date:20060824

I would think you could try the show / hide events also.The ViewStack would be making the next child visible as it is changing the selectedChild.Peace, MikeOn 8/23/06,
Jeremy Lu [EMAIL PROTECTED] wrote:

When selection changes, you can access current selected child via ViewStack.selectedChild, which points to the currently selected child container, you can then trigger a method inside the child to re-grab the data. see if this works for you :-)
On 8/24/06, Mike Anderson
[EMAIL PROTECTED] wrote:

Hello All,

I have a ViewStack Container, with many Children within.

Each child has it's own unique set of data-driven controls, and each
time the user goes back to a specific Child, I need to Requery the
database, so that I get the freshest data each time. The easiest way to
do this, is listen for the Event for when a Child gets toggled.

I tried activate but this event kicks off only the FIRST time a
Container gets shown. I need this even to kick off each and every time,
the ViewStack's Children get toggled.

Could any of you point out which event I need to trigger, in order to
for this to happen?

Thanks in advance,

Mike

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Re: [flexcoders] FDS, VOs, and ignoring client-side properties

2006-08-24 Thread Jim Laing

2006/8/23, Seth Hodgson [EMAIL PROTECTED]:
 Try tagging the properties that you don't want managed in your [Managed] AS 
 class as [Transient]. This should prevent changes to them from being 
 logged/committed.


Hahaha. That does exactly what I want! Thanks, Seth!!

Incidentally, is that in the docs anywhere? I tried looking for it,
but to no avail.

Thanks to everyone for helping me track down this issue.

Jim


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Re: Re: [flexcoders] Re: How to refresh a tree

2006-08-24 Thread Marcel Fahle







Hey Guys,

my problem was, that the tree was reacting weird when scrolling
around after adding data to its dataprovider (XMLListCollection)
using setChildren. (When the user clicks a branch node, it's childnodes
should be loaded from my streamingserver (=returns XML))

I found out, that the problem was, that the tree wasn't "prepared" 
for the "arrival" of new childnodes..
The nodes (branchNodes) where I wanted to add children later gave
me the return valueof false on asking hasChildren()
And there lies the problem: The tree doesn't expect new children
and reacts a little bit weird (which maybe belongs to the uncorrect use
of measure, as you said, Mike).

Anyway, I solved my problem like this:
When first generating my DataProvider I added on each empty branch 
node a single node with just the label "loading...", what makes the
datadescriptor return true on hasChildren.
When the subenodes are loaded, I just delete the "loading..." node,
as you can see on these screenshots:

http://marcelfahle.com/labs/flex2/screens/cptreeproblem1.jpg
http://marcelfahle.com/labs/flex2/screens/cptreeproblem2.jpg
http://marcelfahle.com/labs/flex2/screens/cptreeproblem3.jpg

Using this "hack" everything works good for me..
If anybody wants to see it in action, just drop me a line off-list..


Michael Schmalle wrote:


  
  Hi,
  
There is some issues with the Tree and XML dtat provider collections.
  
One thing I can suggest is;
  
Add an event listener to the divider bar release, I can't remeber what
it is, in that handler call
  
myTree.invalidateList();
  
Give it a try and let me know.
  
I have the same issues with using itemRenderers and changing some
internal data specific things. After I am done with my process, I
called invalidateList() and it did a nice redraw quickly.
  
  
There probably is just an update isse and measure() is not being called
correctly.
  
Peace, Mike
  
  
  On 8/23/06, e baggg 
[EMAIL PROTECTED]com wrote:
  





I too have had problems with XML nodes in tree. One thing that
eliminated a lot of the issues was reassigning the dataProvider of the
tree explictly (right after you update the node.

so...
[Bindable]

private var xmlN : XML 
private function updateTreeDataProvider : void {
//code that updates xmlN
 treeNav.dataProvider= xmlN;
}

mx:Tree id="treeNav" 


Marcel Fahle [EMAIL PROTECTED]com
wrote:

  
   Hi Dave,
  
  
did you found a solution on that?
I've got a similar problem here.
  
Marcel
  
Dave Bobby wrote: 
  

This is flaky, might be a bug.

root
-a
--aa
--ab
--ac
-b
-c
--ca
--cb
--cc

say the last server retrieval got ca, cb and cc. but the tree did not 
show a scrollbar. this tree is in a vDivided box, so when i move the 
divider upto b, i see a scrollbar, but when i move divider to cb or 
cc, ca-cb and cc disappear and no scrollbar.

bug? or am i doing something wrong? i think that the tree should be 
refreshing when i do such operations.

thanks.

--- In 
[EMAIL PROTECTED]ups.com, "Dave Bobby" [EMAIL PROTECTED]
wrote:

 I am trying to append data retrieved to selectedItems in the tree 
 represented by an XMLListCollection. During the trace I see that 
the 
 retrieived items have been added to the XMLListCollection
correctly 
 and this collection in Bindable.
 
 But the tree itself behaves wierd. Sometimes it shows the 
scrollbars, 
 sometimes not. Sometimes, when I scroll up and down, it collates 
 different nodes to different parents visually. 
 
 Any ideas?
 
 Thanks.
 
 Dave.





  
  
  




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[flexcoders] passing data jsp to mxml using flex 2

2006-08-24 Thread sas_dbest

I have jsp page i want ro pass data from that jsp page to an mxml file.
how do i do that?
If anybody can come up with a sniplet.
thank you





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[flexcoders] Tree item in datagrid ??

2006-08-24 Thread pirvulescu_adrian

Can anybody tell me if it's possible to have a tree component in a
datagrid item ?


Pirvulescu Adrian 
Romania





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[flexcoders] Re: How to cast a WebService lastResult when CFC returnType=xml

2006-08-24 Thread Mike Collins

I did this with HTTPService with returning an xml as a string from a 
cfm.  The HTTPService resultformat is object.  A combo box would us it 
this way.

mx:ComboBox width=140 toolTip=Product Filter id=productlist 
dataProvider={getSearchCombos.lastResult.searchcombos.product} /

This example shows a piece of xml that has all my combo lists.  This 
one is the product array.

For your xml you would use  .lastResult.people.person







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[flexcoders] ListCollectionView.contains( )




Hello,Can someone explain me the use ofListCollectionView.contains( )? I can't get it to work.var keyword:String = txtSearch.text;		if( !keywords.contains( {label:keyword} ))	{		
keywords.addItem( {label:keyword} );	}tnx !

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[flexcoders] How to assign NetStream to VideoDisplay component?

2006-08-24 Thread ?????? ????????











Hi all



I have Flex application
which connects to FMS 2 and retrieves NetStream. How can I use VideoDisplay or
other resizable component instead Video object for displaying media?



Thanks

Mozilla By




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[flexcoders] Embed an image for a Sprite

2006-08-24 Thread polestar11

Hi there

How does one attach an image to a sprite class?
I have tried the following example, but nothing gets displayed on the
screen:

package 
{
import flash.display.Bitmap;
import flash.display.Sprite;

public class MySprite extends Sprite{

[Embed(source='/assets/board.png')]
public var MyPhoto:Class;

function MySprite()
{
 var pic:Bitmap = new MyPhoto();   
 this.addChild(pic);
}
}
}

Thanks 
Tracy





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RE: [flexcoders] Extending a subclass of Proxy

2006-08-24 Thread Yaniv De Ridder













Hello Danny,



To use namespace you should use this
syntax use namespace instead of import

So just try that:



use namespace flash_proxy; //instead of import flash.utils.flash_proxy;





Cheers,




 
  
  
  
  
  De Ridder Yaniv
  Flex Consultant (Rich Internet Applications)
  Adobe Consulting
  Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ,
   UK
  m: +44 (0)7758 643 37 81
  [EMAIL PROTECTED]
  
  
 














From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Danny Patterson
Sent: Wednesday, August 23, 2006
5:19 AM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Extending a
subclass of Proxy













I'm trying to extend a subclass of the Proxy class and I'm
getting an error. Here is an example of my problem:











// ProxyA.as





package {

import flash.utils.Proxy;
import flash.utils.flash_proxy;











public class ProxyA extends Proxy {

flash_proxy override function callProperty(methodName:*,
...args):* {
return ProxyA:  + methodName;
}

}

}

















// ProxyB.as





package {

import flash.utils.flash_proxy;











public class ProxyB extends ProxyA {

flash_proxy override function callProperty(methodName:*,
...args):* {
return ProxyB:  + methodName;
}

}

}

















// ProxyBugExample.as





package {

import flash.display.Sprite;
import flash.utils.Proxy;











public class ProxyBugExample extends Sprite {

public function ProxyBugExample() {
var proxy:Proxy = new ProxyB();
trace(proxy.test());
}

}

}











I the ProxyB class I get the following error:





Namespace was not found or is not a compile-time constant.











I assume this is referring to the flash_proxy namespace, but
it is imported just like in the ProxyA class. I'm not sure what the
problem here is, any help would be appreciated.











Thanks,





Danny








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RE: [flexcoders] Re: Choice of backend systems - which provides best functionality

2006-08-24 Thread Darren Houle

Franck,

Makes sense to me.  Do you (or does anyone) know of any open/standards based 
architecture for this SOAP token security?  Any OOTB solutions out there, or 
do I need to redesign the wheel?

Thanks!
Darren




From: Franck de Bruijn [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: RE: [flexcoders] Re: Choice of backend systems - which provides 
best functionality
Date: Thu, 24 Aug 2006 07:33:13 +0200

Hi Darren,



I developed my webservices such that you have to supply a security token in
the header section of a SOAP operation. By using a security token you
prevent needing to send the user credentials over the line every time for
every request to the back-end. It's a mechanism used heavily in most
web-based systems (including single sign-on). Maybe the difference is that
often these security tokens are sent in by means of cookies. Webservices
don't need cookies; they have a header section (something that simple HTTP
requests/posts don't).



After a successful login operation, a security token is generated and 
stored
in the database together with the necessary user profile information. So,
the user session information is actually stored in the database and not in
the application server. Yes, you have to do an extra query to your database
to get the session information back, but since it's a very simple and fast
query on a primary key it will take be nearly costless.



Databases are around now for more than 20 years. They have been totally
optimized for data storage and data distribution (if you need a clustered
database). It's my belief that databases can do this much better than
application servers (or myself/yourself).



I also try to rule out caching (of dynamic data) in my application servers.
Each normal thinking human being understands that caching (and the
distribution of the cache among your application server cluster) introduces
many headaches. In my experience, when performance issues arise, most often
these are solved by writing cleverer queries, rearchitecting your 
interface,
and even maybe take some consequences in the UI (ok, we don't display that
attribute directly, but behind a tab or something). In my opinion caching 
is
rarely the best solution for performance increase, but probably the easiest
to develop ... and the hardest to maintain.



Cheers,

Franck



   _

From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Dave Wolf
Sent: Wednesday, August 23, 2006 11:54 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: Choice of backend systems - which provides best
functionality



Darren,

Flex inherits the HTTP session that the page which contained the EMBED
tag acquired. Dont forget that HTTP/HTML is entirely stateless and
yet we can easily secure those. The theory is identical with Flex.

--
Dave Wolf
Cynergy Systems, Inc.
Adobe Flex Alliance Partner
http://www.cynergys http://www.cynergysystems.com ystems.com
http://www.cynergys http://www.cynergysystems.com/blogs ystems.com/blogs

Email: [EMAIL PROTECTED] mailto:dave.wolf%40cynergysystems.com 
stems.com
Office: 866-CYNERGY

--- In [EMAIL PROTECTED] mailto:flexcoders%40yahoogroups.com ups.com,
Darren Houle [EMAIL PROTECTED] wrote:
 
  Franck,
 
  I agree with you, but... how do you handle security in a stateless
back-end?
  I mean... how do you maintain logged-in / user session
information? Or
  unauthorized access of the web services by others? If Flex is
*completely*
  agnostic of the back-end technology then how do you securely link them
  together?
 
  Darren
 
 
 
 
  From: Franck de Bruijn [EMAIL PROTECTED]
  Reply-To: [EMAIL PROTECTED] mailto:flexcoders%40yahoogroups.com
ups.com
  To: [EMAIL PROTECTED] mailto:flexcoders%40yahoogroups.com ups.com
  Subject: RE: [flexcoders] Re: Choice of backend systems - which
provides
  best functionality
  Date: Tue, 22 Aug 2006 18:03:24 +0200
  
  Hi Barry,
  
  
  
  I'm not sure if I can be of much help here. I'm not into PHP, I'm
not into
  FDS and remoting and the AMF protocol that is related to it. For
me, but
  that is totally a personal opinion, the only acceptable solution for
  communication with a back-end is webservices, and nothing else.
Briefly
  here
  are my reasons:
  
  * The coolest thing about Flex is not the graphics ... but that you
  can make your server stateless, meaning that you obtain 100% fail-over
  characteristics including linear scalability. With FDS (or any other
  related
  solution) you highly likely lose this `feature' and my guess is that
  scalability will be tougher to achieve; for sure it is harder to
guarantee
  ... with a stateless server solution you can. And we always want to
grow
  with our applications, don't we???
  * I like to keep my Flex layer totally independent of my back-end
  layer. My back-end layer should not be aware by any means of the client
  technology. With webservices you realize this. With FDS (or any other
  related solution) you get a

RE: [flexcoders] Re: How to cast a WebService lastResult when CFC returnType=xml

2006-08-24 Thread Darren Houle

Mike,

Yes, I'm good with HTTPService, it was WebService that was causing me the 
grief, but I'm good now.

Thanks,
Darren



From: Mike Collins [EMAIL PROTECTED]
Reply-To: flexcoders@yahoogroups.com
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Re: How to cast a WebService lastResult when CFC 
returnType=xml
Date: Thu, 24 Aug 2006 12:39:29 -

I did this with HTTPService with returning an xml as a string from a
cfm.  The HTTPService resultformat is object.  A combo box would us it
this way.

mx:ComboBox width=140 toolTip=Product Filter id=productlist
dataProvider={getSearchCombos.lastResult.searchcombos.product} /

This example shows a piece of xml that has all my combo lists.  This
one is the product array.

For your xml you would use  .lastResult.people.person







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Re: [flexcoders] ListCollectionView.contains( )




Hi,Unfortunately, I think I remember looking at the source of the ListCollectionView and it only check object(item) reference.So what you are doing will not work. You could easily subclass ListCollectionView and override contains to do what you want there. Just create your own implementation. Actually, you should just create a new public method for your class like;
containsLikeObject(), hmm maybe that isn't good.You could override contains and first call super.contains() then you still get the inherent ref check. If that returns false, then go into your custom loop and test the way you want for the below conditions.
Peace, MikeOn 8/24/06, Webdevotion [EMAIL PROTECTED] wrote:













  



Hello,Can someone explain me the use ofListCollectionView.contains( )? I can't get it to work.var keyword:String = txtSearch.text;		if( !keywords.contains( {label:keyword} ))
	{		
keywords.addItem( {label:keyword} );	}tnx !

  













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Re: [flexcoders] Extending a subclass of Proxy




Hi,It should be;package 
{// you need the import AND use namespace// if you don't have the import, the compiler has no idea what flash_proxy is in the namespace callimport flash.utils.flash_proxy;use namespace flash_proxy;


public class 
ProxyB extends ProxyA {flash_proxy override 
function callProperty(methodName:*, ...args):* {return 
ProxyB:  + 
methodName;}}}Peace, MikeOn 8/24/06, Yaniv De Ridder
 [EMAIL PROTECTED] wrote:












  













Hello Danny,



To use namespace you should use this
syntax "use namespace" instead of "import"

So just try that:



use namespace flash_proxy
; //instead of import flash.utils.flash_proxy;





Cheers,




 
  
  
  
  
  De Ridder Yaniv
  Flex Consultant (Rich Internet Applications)
  Adobe Consulting
  Westpoint, 4 Redheughs Rigg, South Gyle, Edinburgh, EH12 9DQ,
   UK
  m: +44 (0)7758 643 37 81
  [EMAIL PROTECTED]
  
  
 














From: [EMAIL PROTECTED]
ups.com [mailto:[EMAIL PROTECTED]
ups.com] On Behalf Of Danny Patterson
Sent: Wednesday, August 23, 2006
5:19 AM
To: [EMAIL PROTECTED]ups.com
Subject: [flexcoders] Extending a
subclass of Proxy













I'm trying to extend a subclass of the Proxy class and I'm
getting an error. Here is an example of my problem:











// ProxyA.as





package {

import flash.utils.Proxy;
import flash.utils.flash_proxy;











public class ProxyA extends Proxy {

flash_proxy override function callProperty(methodName:*,
...args):* {
return ProxyA:  + methodName;
}

}

}

















// ProxyB.as





package {

import flash.utils.flash_proxy;











public class ProxyB extends ProxyA {

flash_proxy override function callProperty(methodName:*,
...args):* {
return ProxyB:  + methodName;
}

}

}

















// ProxyBugExample.as





package {

import flash.display.Sprite;
import flash.utils.Proxy;











public class ProxyBugExample extends Sprite {

public function ProxyBugExample() {
var proxy:Proxy = new ProxyB();
trace(proxy.test());
}

}

}











I the ProxyB class I get the following error:





Namespace was not found or is not a compile-time constant.











I assume this is referring to the flash_proxy namespace, but
it is imported just like in the ProxyA class. I'm not sure what the
problem here is, any help would be appreciated.











Thanks,





Danny












  













-- What goes up, does come down.

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[flexcoders] using the repeater with image




I'm trying to get the data out of a clicked image:I'm working with the adobe flickr classes.mx:Tilemx:Repeater id=rp dataProvider={ photos } 	mx:Button click=
dump.text = 'url is: ' +event.target.getRepeaterItem().url//mx:Repeater  			/mx:TileAll I get is [object Photo] for theevent.target.getRepeaterItem
() part.event.target.getRepeaterItem().url returns null Cananyoneshedsomelightinmydarkness?Thanks!

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Re: [flexcoders] mx:ToggleButtonBar / mx:Button




Hi,You don't put components in a dataProvider. The ButtonBar reads from the model of a dataProvider which has for example a label property in the list of objects.You can also just specify an array of strings to be the label names. The ButtonBar will always use a Button for it's button. ;-)
Peace, MikeOn 8/22/06, Gunther [EMAIL PROTECTED] wrote:













  



Why does the following code throws an exception:

Error: ERROR: The dataProvider of 'a ToggleButtonBar' must be 
String, ViewStack, Array, or IList.

mx:ToggleButtonBar x=10 y=60 width=640 height=202
mx:Array
	 mx:Button label=Button 1 /
	 mx:Button label=Button 2 /
	 mx:Button label=Button 3 / 
 /mx:Array
/mx:ToggleButtonBar

If I use this code:

mx:ToggleButtonBar x=10 y=60 width=640 height=202
mx:Array
	mx:StringTest/mx:String 			 
   	mx:Button label=Button 1 /
	mx:Button label=Button 2 /
   	mx:Button label=Button 3 /			
/mx:Array
/mx:ToggleButtonBar

There is no problem ??

I want to make a toggable button bar where each button is skinnable 
and has the possibility for an up/down/selected image.

		


  













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[flexcoders] Re: ListCollectionView.contains( )

2006-08-24 Thread Geoffrey Williams

- Returns whether the view contains the specified object. Unlike the 
IViewCursor.findxxx methods, this search is succesful only if it 
finds an item that exactly matches the parameter.

trace ({label:keyword} == {label:keyword}); // false

You can sort the collection, create a view cursor and use findAny.

http://livedocs.macromedia.com/flex/2/langref/mx/collections/ListColl
ectionView.html#createCursor()
http://livedocs.macromedia.com/flex/2/langref/mx/collections/IViewCur
sor.html

Or just loop through it yourself.

You could also convert the data into an array and use the some/every 
methods on it; kinda the same as looping through all of em.

--- In flexcoders@yahoogroups.com, Webdevotion [EMAIL PROTECTED] 
wrote:

 Hello,
 
 Can someone explain me the use of ListCollectionView.contains( ) ?
 
 I can't get it to work.
 
 var keyword:String = txtSearch.text;
 if( !keywords.contains( {label:keyword} ))
 {
   keywords.addItem( {label:keyword} );
 }
 
 
 tnx !







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RE: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides













 Id like to hear the first
story that changing webservices by AMF increased the user experience
significantly and sealed a certain business proposition.



I was developing a Flash front-end for an
existing .Net application. The Flash app used web services, whereas the
.Net app was able to access SQL stored procedures and such directly. The
.Net app was slightly more responsive, due to the fact that less data was being
sent over the wire, as well as the extra parsing time. Long story short,
the Flash app got canned because it was being compared side by side to a faster
alternative. If I could have convinced them to give AMF a shot, Im
sure we couldve got those performance issues ironed out.











From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Franck de Bruijn
Sent: Thursday, August 24, 2006
1:33 AM
To: flexcoders@yahoogroups.com
Subject: RE: [Junk E-Mail - LOW]
[flexcoders] Re: Choice of backend systems - which provides





Hi Ted,



We all understand your arguments 1 and 2.
But in the end, and thats already identified in this topic, its the
user experience that counts. If it does not suffer by using web services,
its not an issue! Id like to hear the first story that changing
webservices by AMF increased the user experience significantly and sealed a
certain business proposition.



For argument 3 Developer
Productivity its true that developers need to program more lines
of code to obtain the same result (having your webservice result as an
ActionScript object), which is, I admit, error prone. But in the total view of
the costs of a development project ... it will not make much of a difference.
The actual additional lines of code Im talking about, however, are very
easy to generate from a model if you wish.



Again, FDS is cool, really true and it
does have its place. But for many applications FDS (including the extra
features messaging and data management) is neither an option nor necessary.



Cheers,

Franck 











From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Ted Patrick
Sent: Wednesday, August 23, 2006
6:47 PM
To: flexcoders@yahoogroups.com
Subject: RE: [Junk E-Mail - LOW]
[flexcoders] Re: Choice of backend systems - which provides













AMF is
faster in 3 fundamental ways:




 Bandwidth Size  Smaller, lighter,
 faster!!!





 Parsing Speed  Less work on both client
 and server!!!





 Developer Productivity  Less work for
 developers!!!




Web
Services are dependent on XML Parsing on both the client and server side.
Although its a good story, XML parsers are not very efficient as parsing
documents is an interpreted process. The Flash Player XML parser will always be
dramatically slower than AMF parsing, binary formats are notoriously faster in
this regard. 



XML
parsing additionally decays rapidly as the file size increases. Flash Player XML
parsing time increase non-linearly with larger XML documents. With AMF parsing
times are linear with data size. The XML decay can be attributed to the number
of inner objects that need to be created during a parsing run. AMF objects are
1:1 with the data received where XML data is 1:N per Elements/Attribute.



Comparing
XML to AMF is an unfair race, AMF wins every time. When you add in the overhead
of WS SOAP parsing atop the base XML parser speed you begin to see performance
issues. With SOAP, you interpret an XML document back into typed objects
depending on the SOAP specifics used. Sure 350ms is ok once or twice, but try
doing 200 transactions in this format and you will see performance issues
arise. Using Web Services you are forcing the Flash Player to do allot of
unneeded work. The goal is to build richer applications, not burn up player
performance in crud operations.



Additionally
non-proxied Web Service use suffers with Flash Player because of the browser
variation in the plug-in APIS. You cannot get the 500 Errors response content
in IE and thus the SOAP fault standard breaks down. In SOAP there are important
messages that arrive with 500 Errors and the inability of the Flash Player to
receive these is a problem. Unfortunately there is no seamless way to get 500
Errors into the Flash Player other then rewriting an HTTP Client in the Socket
class. This effort would also require a new SOAP library within Flex and socket
use on low ports requires a more complex crossdomain.xml configuration.
Even then you still suffer the same performance issues.



Performance
aside, the productivity discussion is much more important. AMF3 and Flex Data
Services are wildly productive. Once you compile your Java Class and configure
a destination in FDS (1 XML Element), you are done. All typing is handled, All
methods are ready to run with any number of client applications. It is the
easiest way to create a server side API that I know of. Actually most cases,
implementing FDS will removes $20,000 of developer time wasted on implementing
other data

Re: [flexcoders] Re: How to refresh a tree

2006-08-24 Thread Marcel Fahle







 Hey Guys,

my problem was, that the tree was reacting weird when scrolling
around after adding data to its dataprovider (XMLListCollection)
using setChildren. (When the user clicks a branch node, it's childnodes
should be loaded from my streamingserver (=returns XML))

I found out, that the problem was, that the tree wasn't "prepared" 
for the "arrival" of new childnodes..
The nodes (branchNodes) where I wanted to add children later gave
me the return valueof false on asking hasChildren()
And there lies the problem: The tree doesn't expect new children
and reacts a little bit weird (which maybe belongs to the uncorrect use
of measure, as you said, Mike).

Anyway, I solved my problem like this:
When first generating my DataProvider I added on each empty branch 
node a single node with just the label "loading...", what makes the
datadescriptor return true on hasChildren.
When the subenodes are loaded, I just delete the "loading..." node,
as you can see on these screenshots:

http://marcelfahle.com/labs/flex2/screens/cptreeproblem1.jpg
http://marcelfahle.com/labs/flex2/screens/cptreeproblem2.jpg
http://marcelfahle.com/labs/flex2/screens/cptreeproblem3.jpg

Using this "hack" everything works good for me..
If anybody wants to see it in action, just drop me a line off-list..


Michael Schmalle wrote:

  
  Hi,
  
There is some issues with the Tree and XML dtat provider collections.
  
One thing I can suggest is;
  
Add an event listener to the divider bar release, I can't remeber what
it is, in that handler call
  
myTree.invalidateList();
  
Give it a try and let me know.
  
I have the same issues with using itemRenderers and changing some
internal data specific things. After I am done with my process, I
called invalidateList() and it did a nice redraw quickly. 
  
There probably is just an update isse and measure() is not being called
correctly.
  
Peace, Mike
  
  
  On 8/23/06, e baggg 
[EMAIL PROTECTED]com wrote:
  





I too have had problems with XML nodes in tree. One thing that
eliminated a lot of the issues was reassigning the dataProvider of the
tree explictly (right after you update the node.

so...
[Bindable] 
private var xmlN : XML 
private function updateTreeDataProvider : void {
//code that updates xmlN
 treeNav.dataProvider= xmlN;
}

mx:Tree id="treeNav" 


Marcel Fahle [EMAIL PROTECTED]com
wrote:

  
   Hi Dave, 
  
did you found a solution on that?
I've got a similar problem here.
  
Marcel
  
Dave Bobby wrote: 
  

This is flaky, might be a bug.

root
-a
--aa
--ab
--ac
-b
-c
--ca
--cb
--cc

say the last server retrieval got ca, cb and cc. but the tree did not 
show a scrollbar. this tree is in a vDivided box, so when i move the 
divider upto b, i see a scrollbar, but when i move divider to cb or 
cc, ca-cb and cc disappear and no scrollbar.

bug? or am i doing something wrong? i think that the tree should be 
refreshing when i do such operations.

thanks.

--- In 
[EMAIL PROTECTED]ups.com, "Dave Bobby" [EMAIL PROTECTED]
wrote:

 I am trying to append data retrieved to selectedItems in the tree 
 represented by an XMLListCollection. During the trace I see that 
the 
 retrieived items have been added to the XMLListCollection
correctly 
 and this collection in Bindable.
 
 But the tree itself behaves wierd. Sometimes it shows the 
scrollbars, 
 sometimes not. Sometimes, when I scroll up and down, it collates 
 different nodes to different parents visually. 
 
 Any ideas?
 
 Thanks.
 
 Dave. 




  
  
  




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Re: [flexcoders] Re: ListCollectionView.contains( )




Thanks guys for your input !

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[flexcoders] Re: Webservice Destination with Basic Authentication

2006-08-24 Thread Tom Ruggles

Hi someguy,

Based on the traffic that you sent it appears that your WS app 
server is not blocking access at this point - the error is occuring 
in your Axis web service rather than at the web container level.  
And this error is complaining that there is no auth header.  Here's 
my series of educated guesses.

- assuming that the contraints are set up properly you may have 
successfully authenticated at some point as far as the web container 
is concerned.  Subsequently it sees your jsessionid and says, Hey, 
this guy is already logged in so no need to ask for credentials 
again.

- your web service is assuming that there will always be an auth 
header.  Not true - it will only be sent in response to a challenge 
from the server.  If the server recognizes the authenticated session 
then there will be no further challenge and therefore no auth header.

If you need to do user verification from the service you will need 
to do manual checking of user info then you'll need to use 
request.getUserPrincipal().

Tom Ruggles
FDS QA


--- In flexcoders@yahoogroups.com, Seth Hodgson [EMAIL PROTECTED] 
wrote:

 Hi,
 
 Have you verified that the server hosting your web service has 
basic auth configured correctly? Your code looks correct so perhaps 
when the FDS proxy makes the call against the remote server it isn't 
being challenged for basic auth credentials? Try requesting your 
WSDL in a browser and verify that the browser's challenge box pops 
up.
 
 Best,
 Seth
 
 
 From: flexcoders@yahoogroups.com 
[mailto:[EMAIL PROTECTED] On Behalf Of someguy7_7
 Sent: Wednesday, August 23, 2006 8:17 AM
 To: flexcoders@yahoogroups.com
 Subject: [flexcoders] Re: Webservice Destination with Basic 
Authentication
 
 I cannot see the authorization header anywhere in the http dump. 
Here
 is some more information on how I am testing. I deployed the fds
 samples.war and placed my test mxml in the samples application. I
 added the following definition to samples/WEB-INF/flex/proxy-
config.xml.
 destination id=mytest
 adapter ref=soap-proxy /
 properties
 wsdlhttp://machine/app/webservice/wsdl/wsdl
 soaphttp://machine/app/services/myService/soap
 /properties
 /destination
 
 Do I need to add some security constraints to the destination 
definition?
 
 Here is a dump of the request and response.
 
 POST /myapp/services/myservice HTTP/1.1
 user-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US;
 rv:1.8.0.6) Gecko/20060728 Firefox/1.5.0.6
 accept:
 
text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/p
lain;q=0.8,image/png,*/*;q=0.5
 accept-language: en-us,en;q=0.5
 accept-charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
 keep-alive: 300
 pragma: akamai-x-cache-on, akamai-x-cache-remote-on,
 akamai-x-check-cacheable, akamai-x-get-cache-key,
 akamai-x-get-extracted-values, akamai-x-get-nonces,
 akamai-x-get-ssl-client-session-id, akamai-x-serial-no
 referer: http://localhost:8080/samples/WSTest.mxml.swf
 SOAPAction: searchIt
 Content-Type: text/xml; charset=utf-8
 Host: mymachine
 Cookie: $Version=0; JSESSIONID=034C89B28DEB60ECC77ED6C10141E5A4
 Content-Length: 855
 
 ?xml version=1.0 encoding=utf-8?SOAP-ENV:Envelope
 xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance;
 xmlns:xsd=http://www.w3.org/2001/XMLSchema;
 xmlns:SOAP-ENV=http://schemas.xmlsoap.org/soap/envelope/;SOAP-
ENV:Bodyns0:myParam
 
xmlns:ns0=http://www.server.com/myApi/xsd;ns0:handle1/ns0:handle
/ns0:myParam/SOAP-ENV:Body/SOAP-ENV:Envelope
 HTTP/1.1 500 Internal Server Error
 Server: Apache-Coyote/1.1
 Content-Type: text/xml;charset=utf-8
 Transfer-Encoding: chunked
 Date: Wed, 23 Aug 2006 15:05:01 GMT
 Connection: close
 
 ?xml version='1.0' encoding='utf-8'?soapenv:Envelope
 
xmlns:soapenv=http://schemas.xmlsoap.org/soap/envelope/;soapenv:He
ader
 /soapenv:Bodysoapenv:Fault
 xmlns:axis2=http://www.w3.org/2003/05/soap-
envelopefaultcodeaxis2:Sender/faultcode
 
faultstringUnauthorized/faultstringdetailExceptionorg.apache.
axis2.AxisFault:
 Unauthorized; nested exception is: 
 java.lang.Exception: Missing HTTP Basic authentication header#13;
 --- In flexcoders@yahoogroups.com, Tom Chiverton tom.chiverton@
 wrote:
 
  On Wednesday 23 August 2006 04:22, someguy7_7 wrote:
   I have figured out the destination issue and my request is 
making it
   to the webservice but the Authorization header is not being 
sent. I am
   calling setRemoteCredentials before setting any params and
 calling send.
  
  Hmm.
  You've dumped out the HTTP traffic to confirm this ?
  
  -- 
  Tom Chiverton
  Helping to globally envisioneer end-to-end models
  
  
  
  This email is sent for and on behalf of Halliwells LLP.
  
  Halliwells LLP is a limited liability partnership registered in
 England and Wales under registered number OC307980 whose registered
 office address is at St James's Court Brown Street Manchester M2 
2JF.
 A list of members is available for inspection at the registered

[flexcoders] Re: Change HorizontalList column width based on content

2006-08-24 Thread ssundke

Can someone please look into this?







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[flexcoders] 1.5 : components can't be cached ??

2006-08-24 Thread Antoine Malpel







Hi there,

I use Flex 1.5 /Tomcat 5.5 and I noticed that in my
{appRoot}/WEB-INF/flex/log/flex{x}.log there is thse messages :

03/07 15:37:15 INFO Cached Component Loader: component Contact cannot
be cached.
03/07 15:37:15 INFO Cached Component Loader: component BasDePage cannot
be cached.
03/07 15:37:15 INFO Cached Component Loader: component CustomLycra
cannot be cached.
03/07 15:37:15 INFO Cached Component Loader: component thumbnailProduct
cannot be cached.
etc


these components refers to all my mxml and as files I use in my
Application ...

Does this mean my 'application' is compiled every time a client connect
to my App ?
How can I resolve this, and can't find any information about that in
macromedia's doc ... 
(please Adobe continue support for Flex 1.5 as Flash 9 player is not
well diffused now)

I've check the configuration files and except the fact I use production
mode to false (as I may set new versions sometimes without wanting to
restart my tomcat server)
but everything else seems ok in my flex-config.xml

for example :

 cache
 !-- cache compiled custom components as swo files --
 cache-swostrue/cache-swos

 !-- content cache for dynamically generated SWF, SWD, and
HTML --
 content-size500/content-size

 !-- source cache for dynamically generated MXML (from JSP)
--
 mxml-size500/mxml-size

 !-- force a check for validation of page freshness every XX
seconds --
 http-maximum-age1/http-maximum-age

 !-- check for changes to dependent files on disk every XX
seconds --
 !-- when production-mode is true, the file watcher runs
once at startup --
 file-watcher-interval1/file-watcher-interval
 /cache

thanks if someone could clear my mind about this issue

Antoine Malpel


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Re: [flexcoders] Adobe, Help Memory Leaking !!

2006-08-24 Thread Rich Tretola




A little update with some additional testing.I am running the exact same application on 2 machines, one has 2 gigs of system ram and the other has 128 megs of ram. On the machine with the low ram, the app runs with a much smaller ram footprint.
Does the flash player allocate more memory than needed when it is available on some machines as comparted to machines that have limited ram?RichOn 8/24/06, 
Rich Tretola [EMAIL PROTECTED] wrote:
False is the default setting for recycleChildren, but I have also added it and tried it both ways.Rich
On 8/23/06, Joshua Garnett 
[EMAIL PROTECTED] wrote:


Have you tried setting the recycleChildren attribute of the Repeater to false? I believe when you have recycleChildren set to true, even if you reduce the number of items in the dataProvider, it still keeps an object in memory that it will reuse. I've actually encountered other issues with having recycleChildren set to true when the repeaters are nested within repeaters. There doesn't seem to be any noticeable performance hit by switching it to false.
--JoshOn 8/23/06, Rich Tretola 

[EMAIL PROTECTED] wrote:



How you found any kind of resolution? As it stand right now my application will be unusable by most of my audience which will obviously not make management happy. I haven't had this problem with other apps, but there were not nearly as object and data intense.
RichOn 8/23/06, sinatosk 


[EMAIL PROTECTED] wrote:



just want to say your not the only one... 2 other people have had the same sort of problem here and I have too... it's annoying to be honest. it does go down eventually but not by it self... I've left it running overnight ( one of my applications ) doesn't go down much
On 24/08/06, Rich Tretola 



[EMAIL PROTECTED] wrote:













  



Just try loading a large amount of buttons a few times and watch the memory go up and up. When I went back to just a few buttons, the memory actually went up a little rather than dropping back down.





http://www.everythingflex.com/flex2/MemoryTest/
RichOn 8/23/06, Rich Tretola 




[EMAIL PROTECTED] wrote:
The 300 megs is the application that I am working on, not the sample app. The actual project app has about 20 or so repeaters, the sample was just a single version to demonstrate that the garbage collector is not working.
I have been able to get the sample app over 200 megs of ram usage by runnig 5000 buttons a few times, the app memory in the txt box shows about 185 megs See the attached screen shots. The 5000 was created 1st and then I updated the array to 5 buttons and waited and then took the 2nd screen shot. The browser never releases the memory and neither does the flash player.
RichOn 8/23/06, Ted Patrick 





[EMAIL PROTECTED] wrote:



















Rich,



No. I have yet to run this app and see 300MB of RAM
consumed ever. Mine gets a ceiling of like 12MB and never goes higher.



When the GC runs it destroys objects within the
totalMemory within the player. When the player needs more memory for new
objects, it adds memory if the gc cannot dispose of what is needed. It is true
to say that on machines with ample resources, the player may accumulate more
resources but this is true with all applications.



I have to say I think you may be looking at a bug specific
to your os/system configuration. Is the behavior browser specific? 



Just to be sure: 300 megabytes = 314,572,800 bytes




Ted Patrick

Flex Evangelist

Adobe Systems Incorporated













From: 






flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] 






On Behalf Of Rich Tretola
Sent: Wednesday, August 23, 2006
2:09 PM
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Adobe,
Help Memory Leaking !!











I first noticed this issue while looking at the task
manager and seeing firefox and IE memory usage going up and up to well over 300
megs of ram. If I am running the app on a machine with less ram will the
browser use less memory? Is that what you are saying? 

Rich






On 8/23/06, Ted Patrick 






[EMAIL PROTECTED] wrote:







Rich,



Ok
got some information for you:



flash.system.System.totalMemory
- The amount of memory (in bytes) currently in use by Adobe
Flash Player.



A
better way to think about this is allocated memory. When the player needs more
memory it acquires it from the OS/Browser in use. The player doesn't
necessarily give the memory back. Within that memory in use are the objects
being used. When GC runs, it disposes objects within the allocated memory but
doesn't give memory back to the OS/Browser.



The
GC is running and collecting objects, but f lash.system.System.totalMemory
is not the right way to see this happening.



Ted Patrick

Flex
Evangelist

Adobe
Systems Incorporated














From: 






flexcoders@yahoogroups.com
[mailto:flexcoders@yahoogroups.com]
On Behalf Of Rich Tretola
Sent: Wednesday, August 23, 2006
12:11 PM
To: flexcoders@yahoogroups.com
Subject: Re: [flexcoders] Adobe,
Help

[flexcoders] Re: Choice of backend systems - which provides best functionality

2006-08-24 Thread Dave Wolf

Given our own license we will almost always look towards developing on
a J2EE infrastructure running on Apache Tomcat using Apache AXIS SOAP
web services.  This platform provides unquestioned scalability and
reliability. 

Flex integrates absolutely seamlessly into this environment inlcuding
RPC, session management and security.  Your back-end infrastructure
will be based on open standards and can be developed with great
separation of concerns allowing you to have a complete services
oriented architecture that is flexible and easy to expand and integrate.  

Our user-centric front to back development approach helps make sure
the end state is exactly that, and using best of breed tools and
frameworks readily available in the Java/J2EE camps you can
signigicantly reduce the complexity involved in its development.  

-- 
Dave Wolf
Cynergy Systems, Inc.
Adobe Flex Alliance Partner
http://www.cynergysystems.com
http://www.cynergysystems.com/blogs

Email:  [EMAIL PROTECTED]
Office: 866-CYNERGY


--- In flexcoders@yahoogroups.com, rhlarochelle [EMAIL PROTECTED]
wrote:

 I am new to Flex 2, and have the opportunity to develop a new
 application. Given all of the choices of back end technology out there
 (J2EE, Coldfusion, PHP), which will provide for the richest user
 experience?
 
 It seems that leveraging J2EE and Java gives the best potential for
 sharing objects (and updates to objects ) over the wire. Have I got
 this right?








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[flexcoders] Re: Embed an image for a Sprite

2006-08-24 Thread polestar11

Ok, I managed to figure out what the problem was from a previous post
- one cannot add a sprite directly to a container, one has to first
add it to a UIComponent type.

Anyone with more info / experience with this?

Cheers
Tracy

--- In flexcoders@yahoogroups.com, polestar11 [EMAIL PROTECTED] wrote:

 Hi there
 
 How does one attach an image to a sprite class?
 I have tried the following example, but nothing gets displayed on the
 screen:
 
 package 
 {
 import flash.display.Bitmap;
 import flash.display.Sprite;
   
 public class MySprite extends Sprite{
   
 [Embed(source='/assets/board.png')]
 public var MyPhoto:Class;
   
 function MySprite()
 {
  var pic:Bitmap = new MyPhoto();   
  this.addChild(pic);
 }
 }
 }
 
 Thanks 
 Tracy








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[flexcoders] Re: Choice of backend systems - which provides best functionality

2006-08-24 Thread Derek Adams

WS-Security is the standard spec for securing web service calls. 
Most web service stacks have some level of support for it. Among the 
things it offers are username/token style security and encryption of 
some/all of the SOAP envelope. There is an overview and a few good 
links here:

http://www-128.ibm.com/developerworks/library/specification/ws-
secure/

Also, see the Adobe AS3 UsernameToken support in the corelibs 
project here:

http://weblogs.macromedia.com/as_libraries/docs/corelib/

Hope that helps,
Derek

--- In flexcoders@yahoogroups.com, Darren Houle [EMAIL PROTECTED] wrote:

 Franck,
 
 Makes sense to me.  Do you (or does anyone) know of any 
open/standards based 
 architecture for this SOAP token security?  Any OOTB solutions out 
there, or 
 do I need to redesign the wheel?
 
 Thanks!
 Darren
 






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[flexcoders] Looking for simplest way to transform a MenuBar event: mouseOver=click

I'm trying to capture a mouseOver event and propogate it as if it were
a click event to control menu opening without forcing the user to
actually click.

Perusing the MenuBar.as and Menu.as class files, I've seen candidate
functions, but they are either set as private or I get a 1061 or 1195
error: Attempted access of inaccessible method showMenu through a
reference with static type mx.controls:MenuBar. 

I'm wondering if there is a workaround that is simpler that creating a
custom class that extends MenuBar. The alternative is to write a
menuing class from scratch as I've done previously in Flash.

Any thougts?






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[flexcoders] Re: using the repeater with image

2006-08-24 Thread Oscar


  uhmmm ... try with event.currenTarget.getRepeaterItem().


--- In flexcoders@yahoogroups.com, Webdevotion [EMAIL PROTECTED] 
wrote:

 I'm trying to get the data out of a clicked image:
 I'm working with the adobe flickr classes.
 
 mx:Tile
  mx:Repeater id=rp dataProvider={ photos }
 mx:Button click=dump.text = 'url is: '
 +event.target.getRepeaterItem().url/
 /mx:Repeater
 /mx:Tile
 
 
 All I get is [object Photo] for the event.target.getRepeaterItem
() part.
 event.target.getRepeaterItem().url returns null
 
 Can anyone shed some light in my darkness ?
 
 Thanks !








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[flexcoders] changing state of all itemrenderer instances?

2006-08-24 Thread tddclare

I have a list using a custom MXML item renderer:
mx:List id=personList  itemRenderer=PersonRenderer
dataProvider={people}/ 

I'd like the user to have a checkbox in the main application to decide
if they want to see the people's pictures in the list or not.  On
change of the checkbox, I'd like to be able to say Hey list (or
list's item renderer class), change all your items from the base state
to a state called withPhoto.

I tried to make a static function changeState for PersonRenderer,
but then I can't access the currentState property... makes sense.

I was thinking of looping through each item in the list and changing
it's specific instance of PersonRenderer's state?  But I'm not too
sure how to do that.  Or is there a better way to do it?
 
I currently have the base and withPhoto states defined in the
renderer, and would like to keep it in that one renderer.  I
considered just changing the list's itemRenderer to
PersonRendererWithPhoto but then I'd lose any pretty transitions,
fades, etc. as the photo is displayed...  that's no good.

Thanks!

-- TC





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[flexcoders] Re: Flex 2 Final : Error #1009, in RadioButton/get labelPlacement()

2006-08-24 Thread Jason

Has anyone found a workaround to the bug with RadioButton groups and
repeater components described here?  I have having this same problem.

--jason

--- In flexcoders@yahoogroups.com, Benoit Hediard [EMAIL PROTECTED] wrote:

 I've investigated this issue a little bit more.
 It looks like there some problems with RadioButton when they are used in
 groups.
 First display is generally correct, but when the display list is
refreshed,
 it generates some bugs.
  
 In our case, the RadioButton group is used in a popup, and even
after the
 popup is deleted, some popup display routines are still executed.
  
 When debugging is on, the error is generated in RadioButton.as, at
line 172,
 because the property group is null :
 if (_labelPlacement != ) {
 value = _labelPlacement;
 } else if (_group  group.labelPlacement != ) { // L.172
 value = group.labelPlacement;
 }
  
 Workaround : always define labelPlacement in all your RadioButton
(so that
 the group labelPlacement is never read).
  
 I've also encountered a similar error in another case : RadioButton
groups
 used inside a Repeater, with the groupName defined during the repeater
 execution (groupName={theRepeater.currentIndex}).
 First execution is correct, but the next ones generate an error.
  
 When debugging is on, the error is generated in the RadioButton.as,
at line
 454, for the same reason (property group is null) :
 var g:RadioButtonGroup = group:
 g.addInstance(this); // L.454
  
 I haven't found a workaround for this one.
  
 It's too bad because all of this was working in previous beta but
not on the
 final release ;).
  
 Benoit Hediard
 
   _  
 
 De : flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
De la
 part de Benoit Hediard
 Envoyé : lundi 3 juillet 2006 12:36
 À : flexcoders@yahoogroups.com
 Objet : [flexcoders] Flex 2 Final : Error #1009, in RadioButton/get
 labelPlacement()
 
 
 Error #1009: Il est impossible d'accéder à la propriété ou la
méthode d'une
 référence d'objet nul.
 (in english, something like it is not possible to access the
property or
 the method of the null object reference)
 at mx.controls::RadioButton/get labelPlacement()
 at

mx.controls::Button/http://www.adobe.com/2006/flex/mx/internal::layoutConten
 ts()
 at mx.controls::Button/mx.controls:Button::updateDisplayList()
 ...
  
 In Flex2 final, I'm getting this error regularly...
 Not tried yet to reproduce it on a simple regular case, but it looks
like
 pretty random.
 I don't use the labelPlacement property in our app.
  
 I've never encountered this error in previous beta, only since the FP9 /
 Flex2 Final.
 Looks like a very annoying low level framework error, related to the
layout
 of RadioButtons.
  
 Anyone else facing this issue?
 And found a workaround?
  
 Benoit Hediard







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[flexcoders] Passing data from JSP to Flex

2006-08-24 Thread Anas Mughal




I am new to Flex. Could someone help me with the following question.We have a struts-based application that we are gradually porting over to Flex. Currently, the user authentication (login screen) is done via a JSP page. A new module of the application is wrriten in Flex.We would like to pass the logged-in user information to Flex. How should we do that?Thank you very much for your kind assistance.  --  Anas Mughal 
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Re: [flexcoders] Don't bindings work both ways??

2006-08-24 Thread Nate Hardt



Bind your outgoing data to a model and submit that to the server:mx:Model id="infoModel"	info		text2{text1.text}/text1		text2{text2.text}/text2	info/mx:ModelSend it to the server via an HTTPService:mx:HTTPService 	id="saveAny"	method="POST"	url=""http://yourserver/process.a">http://yourserver/process.a"	useProxy="false"	showBusyCursor="true"/mx:HTTPServiceSend like this:saveAny.send(infoModel);Bind the incoming like this:mx:Form width="50%" height="100%"	mx:FormHeading label="Standard Info"/			mx:FormItem label="Text 1"		 mx:TextArea id="text1" text="{generalInfo.lastResult.response.info.text1}"/	/mx:FormItem	mx:FormItem label="Text 2"		 mx:TextArea id="text2" text="{generalInfo.lastResult.response.info.text2}"/	/mx:FormItemmx:FormTo a service like this:mx:HTTPService     	id="generalInfo"     	url=""http://yourserver/get">http://yourserver/get"    	useProxy="false"/mx:HTTPServiceI use php, here's how I return the data. I put everything in an associate array then output it with a function:$row['text1'] = "some data";$row['text2'] = "some more data";print "?xml version=\"1.0\" ?\n";print "response";print namedAssocToXml('info', $out);print "/response";function namedAssocToXml($rowname, $attributes) {	$output = "$rowname\n";	foreach ($attributes as $name = $value) {		if (is_array($value)) {			if (is_numeric($name)) {$output .= namedAssocToXml('row', $value);			} 			else {$output .= namedAssocToXml($name, $value);			}		}		else {			$value = str_replace("", "lt;", $value);			$value = str_replace("", "gt;", $value);			if (is_numeric($name)) {$output .= "item" . $value . "/item\n";			} 			else {$output .= "$name" . $value . "/$name\n";			}		}	}	$output .= "/$rowname\n";	return $output;}I think using HTTPService is the older model for doing things. With FDS you can do a lot of cooler things, but hopefully that will get you started. NateOn Aug 24, 2006, at 11:09 AM, Mike Anderson wrote:I will jump back into the Docs right away, but in the meantime, is there a faster way to do this? Or must I do it the traditional way, by systematically assigning the values to the ValueObject, just prior to sending the Variables over to the server? i.e. myValueObjectVO.propertyOne = textFieldOne.text;myValueObjectVO.propertyTwo = textFieldTwo.text;myValueObjectVO.propertyThree = textFieldThree.text; Thanks in advance! MikeFrom: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Matt ChotinSent: Thursday, August 24, 2006 12:32 AMTo: flexcoders@yahoogroups.comSubject: RE: [flexcoders] Don't bindings work both ways??No, binding is only one-way, you’ll need to set up the 2-way yourself. Matt From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Mike AndersonSent: Wednesday, August 23, 2006 9:56 PMTo: flexcoders@yahoogroups.comSubject: [flexcoders] Don't bindings work both ways?? Hello All,I have a Form with several fields - and those fields are all bound to aValueObject (using the Curly Braces method).After doing my database calls, etc., my Form populates beautifully withall the values. However, if I edit any of those fields on the Form, andthen send the same ValueObject back to the server, nothing is changed -it's as if I didn't make any changes to the Form itself.It was my understanding, that once a Binding Relationship is created,that any changes (either in the Model itself, or the Fields that aretied to the Model) will update in both directions.Is this not true, or am I missing something?Thanks all for your help,Mike
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RE: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides

Frank,

RPC IS LESS THAN 25% OF FLEX DATA SERVICES!!!

Flex Data Services is so much more that RPC. This entire discussion is really 
FDS.RPC to WebServices. 

FDS contains 4 major parts:

1. Messaging - ASMessaging and JMSMessaging
2. Data Management - Data Synchronization and Distributed ArrayCollections
3. Web Tier Compiler - Compilation of AS/MXML on the server side.
4. RPC - Remoting and WebService Proxy

Using Web Services directly affects user experience!!! 
Using Web Services directly affects user experience!!! 
Using Web Services directly affects user experience!!! 

Web Services burns up player performance that you could be using to make the 
user experience better. When working in Flash Player, everything affects 
performance. If you abuse the player in one area, you limit what you can do 
elsewhere before the player starts to slow down. The Flash Player (like all 
software) is limited in capability; if you spend that capability doing hard 
things (read Web Services) then you will not be able to do other things. On a 
high quality machine, WS can take 400ms, but on a slower machine it can take 
3-10 seconds for a single call and the larger the data exchanged, the worse it 
gets. Not good.

With Flash Player it is important to keep things light and fast. Web Services 
are abusive to the Flash Player runtime. Support is included for integration 
purposes but it was really not designed as an optimized way to exchange data. 

Web Services view:

Flash Player Receives XML ASCII Text
XML Parsing → XML Parsing!!!
SOAP Parsing occurs to AS Objects → Traverse SOAP Objects Recursively!!!
Objects are passed into events

RemoteObject:
Flash Player Receives AMF Data
AMF Binary Decoding → Direct to typed objects.
Objects are passed into events

I am sure there are many smart people out there who will get WebServices to 
work well for them with Flex. It is a lot of hard work to make this work well 
and I have only seen one company do it really well. I do not doubt that others 
will make this work reliably but I question its use. It will affect performance 
which is why AMF was created in the first place as an optimized data exchange 
format for Flash Player. 

One of the key advantages for WebServices is the wide availability of Web 
Service clients for any language. With AMF we only have one client( Flash 
Player ) and several AMF servers. One key enterprise objection to using AMF is 
the lack of AMF  clients for integration. 

Cases:
- PHP form could remote to FDS
- C++ application joins FDS messaging as a client
- Java process remotes to FDS
- Python process remotes to Data Services for Ruby (MidnightCoders)
- C# remotes data with FDS as a client

Part of the distributed computing revolution is the realization that anything 
can be both a client and a server. One of the problem areas in FDS is that only 
Flash and Java:JMS can participate within the FDS as clients.

Would non-flash clients for AMF and Messaging help?

Regards,

Ted Patrick
Flex Evangelist
Adobe Systems Incorporated


From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Franck 
de Bruijn
Sent: Wednesday, August 23, 2006 10:33 PM
To: flexcoders@yahoogroups.com
Subject: RE: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - 
which provides

Hi Ted,
 
We all understand your arguments 1 and 2. But in the end, and that’s already 
identified in this topic, it’s the user experience that counts. If it does not 
suffer by using web services, it’s not an issue! I’d like to hear the first 
story that changing webservices by AMF increased the user experience 
significantly and sealed a certain business proposition.
 
For argument 3 ‘Developer Productivity’ it’s true that developers need to 
program more lines of code to obtain the same result (having your webservice 
result as an ActionScript object), which is, I admit, error prone. But in the 
total view of the costs of a development project ... it will not make much of a 
difference. The actual additional lines of code I’m talking about, however, are 
very easy to generate from a model if you wish.
 
Again, FDS is cool, really true and it does have its place. But for many 
applications FDS (including the extra features messaging and data management) 
is neither an option nor necessary.
 
Cheers,
Franck 


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RE: [flexcoders] Don't bindings work both ways??

2006-08-24 Thread Mike Anderson






Thanks for that informative post - 

I guess I shouldn't post such (not dumb) but simplistic 
questions - I know better than that :)

Since Flex 2.0 has added such intuitive new features - one 
of those being the ability to directly find a Value within a Grid or List 
control, without having to Iterate through the values inside a Loop, that 
DataBinding may have had some enhancements to it as well.

I think it would be neat, to have an optional type of 
Binding scenario - in which the data flows both ways 
automatically...

In my case, I will just take the most typical path, and 
create 2 sets of Binding Commands - one that assigns the ValueObject properties 
to all my controls, and one that assigns all my control properties to the 
ValueObject. That should take care of any changes that are 
made in either direction...

I was just expecting too much, from the Binding features of 
Flex - and just have to continue to do it the traditional 
way...

Thanks again for all your help -

Mike


From: flexcoders@yahoogroups.com 
[mailto:[EMAIL PROTECTED] On Behalf Of Nate 
HardtSent: Thursday, August 24, 2006 10:49 AMTo: 
flexcoders@yahoogroups.comSubject: Re: [flexcoders] Don't bindings 
work both ways??

Bind your outgoing data to a model and submit that to the server:

mx:Model id="infoModel"
info
text2{text1.text}/text1
text2{text2.text}/text2
info
/mx:Model

Send it to the server via an HTTPService:

mx:HTTPService 
id="saveAny"
method="POST"
url=""http://yourserver/process.a">http://yourserver/process.a"
useProxy="false"
showBusyCursor="true"
/mx:HTTPService

Send like this:
saveAny.send(infoModel);


Bind the incoming like this:

mx:Form width="50%" height="100%"
mx:FormHeading label="Standard 
Info"/

mx:FormItem 
label="Text 1"
mx:TextArea 
id="text1" text="{generalInfo.lastResult.response.info.text1}"/
/mx:FormItem

mx:FormItem 
label="Text 2"
mx:TextArea id="text2" 
text="{generalInfo.lastResult.response.info.text2}"/
/mx:FormItem

mx:Form

To a service like this:
mx:HTTPService 
  id="generalInfo" 
  url=""http://yourserver/get">http://yourserver/get"
  useProxy="false"
/mx:HTTPService


I use php, here's how I return the data. I put everything in an associate 
array then output it with a function:

$row['text1'] = "some data";
$row['text2'] = "some more data";

print "?xml version=\"1.0\" ?\n";
print "response";
print namedAssocToXml('info', $out);
print "/response";

function namedAssocToXml($rowname, $attributes) {
$output = 
"$rowname\n";
foreach 
($attributes as $name = $value) {
if 
(is_array($value)) {
if 
(is_numeric($name)) {
$output .= 
namedAssocToXml('row', $value);
} 
else {
$output .= 
namedAssocToXml($name, $value);
}
}
else {
$value = 
str_replace("", "lt;", $value);
$value = 
str_replace("", "gt;", $value);
if 
(is_numeric($name)) {
$output .= 
"item" . $value . "/item\n";
} 
else {
$output .= 
"$name" . $value . "/$name\n";
}

}
}
$output .= 
"/$rowname\n";
return 
$output;
}


I think using HTTPService is the older model for doing things. With FDS you 
can do a lot of cooler things, but hopefully that will get you 
started.

Nate


On Aug 24, 2006, at 11:09 AM, Mike Anderson wrote:

  I will jump 
  back into the Docs right away, but in the meantime, is there a faster way to 
  do this?
  
  Or must I do 
  it the traditional way, by systematically assigning the values to the 
  ValueObject, just prior to sending the Variables over to the 
  server?
  
  i.e.
  
  myValueObjectVO.propertyOne 
  = textFieldOne.text;
  
  myValueObjectVO.propertyTwo 
  = textFieldTwo.text;
  
  myValueObjectVO.propertyThree 
  = textFieldThree.text;
  
  Thanks in 
  advance!
  
  Mike
  
  
  From: 
  flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] 
  On Behalf Of 
  Matt ChotinSent: Thursday, 
  August 24, 2006 12:32 AMTo: flexcoders@yahoogroups.comSubject: RE: 
  [flexcoders] Don't bindings work both ways??
  
  
  No, binding 
  is only one-way, youll need to set up the 2-way yourself.
  
  Matt
  
  
  
  
  
  From: 
  flexcoders@yahoogroups.com 
  [mailto:flexcoders@yahoogroups.com] 
  On Behalf Of 
  Mike AndersonSent: 
  Wednesday, August 23, 2006 9:56 PMTo: 
  flexcoders@yahoogroups.comSubject: 
  [flexcoders] Don't bindings work both ways??
  
  
  
  
  Hello 
  All,I 
  have a Form with several fields - and those fields are all bound to 
  aValueObject 
  (using the Curly Braces method).After 
  doing my database calls, etc., my Form populates beautifully withall 
  the values. However, if I edit any of those fields on the Form, andthen 
  send the same ValueObject back to the server, nothing is changed -it's 
  as if I didn't make any changes to the Form itself.It 
  was my understanding, that once a Binding Relationship is created,that 
  any changes (either in the Model itself, or the Fields that aretied 
  to the Model) will update in both directions.Is 
  this not true, or am I missing something?Thanks 
  all for your help,Mike
   
__._,_.___





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Re: [flexcoders] Adobe, Help Memory Leaking !!

2006-08-24 Thread Rich Tretola




Thanks Ted,I have another question that is somewhat related. Is there a difference in ram usage between the following:OPTION A: mx:HBox width=500  mx:Spacer width=100%/
  mx:Label text=Hello World /  mx:Spacer width=100%/ /mx:HBox OPTION B: mx:Canvas width=500  mx:Label text=Hello World horizontalCenter=0/
 /mx:CanvasRichOn 8/24/06, Ted Patrick [EMAIL PROTECTED] wrote:



















Rich,



I believe the process of allocating RAM to the Player is
dependent on the OS/Browser. If the OS/Browser feels like giving the player
more RAM then the player will behave differently in its performance profile. The
player is always designed with the low end machines in mind.



Note: The player is greedy, once you give it system resources;
it uses those in an optimized manner. It will give back resources but only when
the use pattern has materially changed.



Again, using flash.system.System.totalMemory represents all
the memory allocated to the player, not necessarily the memory being used by
objects. An incremental GC run will reduce the objects within the totalMemory
but the value WILL NOT CHANGE EVER!!! Please do not use totalMemory as a gauge
for leaking memory or GC action/inaction. Depending on the OS, the player will
be allocated more or less resources and will tune within what is provided. 



Rich, I believe your machine is giving the player lots of
RAM and the player is just not giving it back. There may be a use case within
the way you are using Repeater such that inner references are not being cleaned
up.



You can also use ItemRenderer to accomplish the same
thing. See if you are seeing the same behavior there.



The crashing concerns me and I have logged a bug.



Ted Patrick

Flex Evangelist

Adobe Systems Incorporated













From: 
flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] 
On Behalf Of Rich Tretola
Sent: Thursday, August 24, 2006
8:10 AM
To: flexcoders@yahoogroups.com

Subject: Re: [flexcoders] Adobe,
Help Memory Leaking !!











A little update with some additional testing.

I am running the exact same application on 2 machines, one has 2 gigs of system
ram and the other has 128 megs of ram. On the machine with the low ram,
the app runs with a much smaller ram footprint. 

Does the flash player allocate more memory than needed when it is available on
some machines as comparted to machines that have limited ram?


Rich



On 8/24/06, Rich
Tretola [EMAIL PROTECTED]
wrote:



False is the default setting for recycleChildren, but I have also added
it and tried it both ways.






Rich









On 8/23/06, Joshua
Garnett 
[EMAIL PROTECTED] wrote:





Have you tried setting the recycleChildren attribute of the Repeater to
false? I believe when you have recycleChildren set to true, even if you
reduce the number of items in the dataProvider, it still keeps an object in
memory that it will reuse. I've actually encountered other issues with
having recycleChildren set to true when the repeaters are nested within
repeaters. There doesn't seem to be any noticeable performance hit by
switching it to false. 


--Josh









On 8/23/06, Rich
Tretola 
[EMAIL PROTECTED] wrote:





How you found any kind of resolution? As it stand right now my
application will be unusable by most of my audience which will obviously not
make management happy. I haven't had this problem with other apps, but
there were not nearly as object and data intense. 






Rich












On 8/23/06, sinatosk
 [EMAIL PROTECTED]
wrote:





just want to say your not the only one... 2 other people have had the
same sort of problem here and I have too... it's annoying to be honest. it does
go down eventually but not by it self... I've left it running overnight ( one
of my applications ) doesn't go down much 









On 24/08/06, Rich
Tretola 
[EMAIL PROTECTED] wrote:












Just try loading a large amount of buttons a few times
and watch the memory go up and up. When I went back to just a few
buttons, the memory actually went up a little rather than dropping back down.








http://www.everythingflex.com/flex2/MemoryTest/








Rich




On 8/23/06, Rich Tretola  [EMAIL PROTECTED]
wrote:











The 300 megs is the application that I am working on,
not the sample app. The actual project app has about 20 or so repeaters,
the sample was just a single version to demonstrate that the garbage collector
is not working. 

I have been able to get the sample app over 200 megs of ram usage by runnig
5000 buttons a few times, the app memory in the txt box shows about 185
megs See the attached screen shots. The 5000 was created 1st and
then I updated the array to 5 buttons and waited and then took the 2nd screen
shot. The browser never releases the memory and neither does the flash
player. 










Rich







On 8/23/06, Ted Patrick
 [EMAIL PROTECTED]
wrote:








Rich,





No. I have yet to run this app and see 300MB of RAM
consumed ever. Mine gets a ceiling of like 12MB and never goes higher.

[flexcoders] Re: Don't bindings work both ways??

2006-08-24 Thread Stefan Schmalhaus

--- In flexcoders@yahoogroups.com, Nate Hardt [EMAIL PROTECTED] wrote:

 Bind your outgoing data to a model and submit that to the server:

In terms of Cairngorm, is it possible to cast mx:Model id=myModel
to a VO in the ModelLocator? Something like this:

selectedUser = new UserVO();
selectedUser = UserVO(myModel);

Or what is considered best Cairngorm practice for collecting input
data from a form and sending it to the server?

Stefan





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[flexcoders] Limiting decimal places

2006-08-24 Thread Jeremy Rottman

In my application, I am doing auto calculations of dollar amounts that
are based on several forumlas. The problem that I am having is that
the some times the dollar amounts are coming out as something like
this. 1499.9993939393939. I am trying to figure out how to limit
the decimal places to just two. Anyone have an idea how I can do this?





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[flexcoders] Need drag drop example

2006-08-24 Thread Martina Smith




Hi,I need an example for simple drag  drop operation using only the displayObject in flex 2.0. Can anyone please share it with me, If you have already done?The examplecan be as simple as flash's startDrag() (starts dragging) stopDrag()(stops dragging).I have tried using flex 2 help, but the drag operation is not as smooth as that of flash,and dropping the dragged object is also a problem in flex.Thanks in advance,  Martina 
	

	
		 
Here's a new way to find what you're looking for - Yahoo! Answers  
Send FREE SMS to your friend's mobile from Yahoo! Messenger Version 8. Get it NOW
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Re: [flexcoders] Re: using the repeater with image




This did the trick:mx:Image 	source=mypicture.jpg click=loadBigPhoto(event.currentTarget.getRepeaterItem()) /  

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[flexcoders] How to get the row index double-clicked in a datagrid (AS3)

2006-08-24 Thread mcmcbrianfarrell

As a noob to flex I am having some difficulty with what in most other 
environments seems 
fairly trivial. How to get the row index in a grid I double-click on. It would 
seem that I get a 
doubleclick event regardless of where in a grid I do it.

For my purposes I need the rowindex for the actual row a user doubleclicks on 
and all other 
dbl clicks should be ignored.

Can anyone point me to some example code?

TIA!






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Re: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides

2006-08-24 Thread Claus Wahlers


 On a high quality machine, WS can take 400ms, but on a slower 
 machine it can take 3-10 seconds for a single call and the larger 
 the data exchanged, the worse it gets. Not good.

Aren't you exaggerating a bit here? Can you give a real world example of 
a SOAP XML that takes 400ms to parse/consume on a high end machine? I 
mean, we're talking Flash Player 9, aren't we?

Cheers,
Claus.



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[flexcoders] Re: Is it possible to embed a html page in Flex application?

2006-08-24 Thread flexnewbie06

I just wanted to update this post, this is a link to embed an html 
page in Flex 2.0 (updated).  And I tested it on my local machine. 
Works great!

http://www.deitte.com/archives/2006/08/finally_updated.htm

Jenn



--- In flexcoders@yahoogroups.com, Tim Hoff [EMAIL PROTECTED] wrote:

 
 Here is an example how to embed an html page in Flex using an 
IFrame.
 
 http://coenraets.com/viewarticle.jsp?articleId=95
 http://coenraets.com/viewarticle.jsp?articleId=95
 
 -TH
 
 --- In flexcoders@yahoogroups.com, user_abcxyz user_abcxyz@
 wrote:
 
  Can we embed a html page in Flex application? If so, please show 
me an
  example and/or explanation of how to do it.
 
  Thank you.
 








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[flexcoders] add additional data to list-based drag and drop?

2006-08-24 Thread tddclare

I have a few lists whose items I want to drag and drop to another
component.

I can roll my own and code the entire drag/drop operation, but I'm lazy.

I looked at the list-based drag and drop features, which look cool:
mx:List id=personList dragEnabled=true /
mx:List id=eventList dragEnabled=true /

but when I drop items on my eventual drag and drop target, I'd like
the target to know a little more, like which list it came from (or
more loosely coupled, what type of data it is (person or event).  

Is there a way to add a format to the list-based drag and drop
dragSource, like iAmAPerson or iAmAnEvent?  

Or is this the line I cross and have to move into the DragDropManager?

-- TC






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[flexcoders] draggable rows in datagrid

2006-08-24 Thread Nate Hardt

Hello,

I need to be able to drag rows as well as columns in a datagrid. I  
haven't seen anywhere that this is possible. My first question is, is  
there an easy way to do draggable rows?

My plan, if no one else has built something like this, is to subclass  
the DataGrid control or DataGridBase or maybe even ListBase, using  
the dataGridClasses as a starting code base. It could be a fair bit  
of work but it seems like much of the code from DataGridColumn and  
DataGridDragProxy could be converted over quickly by changing width  
to height, x to y and vice versa and etc. My second question is, does  
that seem like the right path to take for draggable rows? There's not  
a component that already has this functionality, right?

I am already partly down the subclass path because I missed a crucial  
piece of information about the cell editing process. I'm not sure if  
I need to back up and re-think this or forge ahead. Thanks for any  
guidance you can provide.

Nate


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RE: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides

I can vouch for that statement, from my own personal experience.  If you're
working with large amounts of data, the lag is quite unacceptable.

-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On
Behalf Of Claus Wahlers
Sent: Thursday, August 24, 2006 1:00 PM
To: flexcoders@yahoogroups.com
Subject: Re: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems
- which provides

 On a high quality machine, WS can take 400ms, but on a slower 
 machine it can take 3-10 seconds for a single call and the larger 
 the data exchanged, the worse it gets. Not good.

Aren't you exaggerating a bit here? Can you give a real world example of 
a SOAP XML that takes 400ms to parse/consume on a high end machine? I 
mean, we're talking Flash Player 9, aren't we?

Cheers,
Claus.

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RE: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides













No I am not exaggerating.



Run a Web Services call on my mothers old Dell and you can
count the seconds. When AMF was first added to Flash Player 6, the primary
reason was performance on slow machines. AMF was much faster then and it
remains the case. XML parsing performance decays non-linearly on slower
machines and with larger xml documents.



Keep me honest Claus!



Ted Patrick

Flex Evangelist

Adobe Systems Incorporated

















From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Claus Wahlers
Sent: Thursday, August 24, 2006
10:00 AM
To: flexcoders@yahoogroups.com
Subject: Re: [Junk E-Mail - LOW]
[flexcoders] Re: Choice of backend systems - which provides












 On a high quality machine, WS can take 400ms, but on a slower 
 machine it can take 3-10 seconds for a single call and the larger 
 the data exchanged, the worse it gets. Not good.

Aren't you exaggerating a bit here? Can you give a real world example of 
a SOAP XML that takes 400ms to parse/consume on a high end machine? I 
mean, we're talking Flash Player 9, aren't we?

Cheers,
Claus.






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RE: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides

 One key enterprise objection to using AMF is the lack of AMF  clients for 
 integration.

 Would non-flash clients for AMF and Messaging help?

I can understand why it would be difficult to shell out $20K per proc for 
something that is solely for the Flash platform.  That's almost as much as SQL 
licenses.  Not feasible where I work.  If you have to use Flex Data Services to 
realize the full benefits of Flex, that high cost can lead teams to shy away 
from the Flash Platform because the remaining benefits may be less clear.

However, aside from the cost, I don't see why anyone would have a problem with 
putting middleware in place for a specific client.  Non-Flash clients can use 
whatever other communications protocols you like, which are possibly already in 
place.  Granted, you've got to test things thoroughly to make sure your 
existing environment is not affected by the installation of FDS (which can be a 
daunting task).

-Original Message-
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Ted 
Patrick
Sent: Thursday, August 24, 2006 12:50 PM
To: flexcoders@yahoogroups.com
Subject: RE: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - 
which provides

Frank,

RPC IS LESS THAN 25% OF FLEX DATA SERVICES!!!

Flex Data Services is so much more that RPC. This entire discussion is really 
FDS.RPC to WebServices. 

FDS contains 4 major parts:

1. Messaging - ASMessaging and JMSMessaging
2. Data Management - Data Synchronization and Distributed ArrayCollections
3. Web Tier Compiler - Compilation of AS/MXML on the server side.
4. RPC - Remoting and WebService Proxy

Using Web Services directly affects user experience!!! 
Using Web Services directly affects user experience!!! 
Using Web Services directly affects user experience!!! 

Web Services burns up player performance that you could be using to make the 
user experience better. When working in Flash Player, everything affects 
performance. If you abuse the player in one area, you limit what you can do 
elsewhere before the player starts to slow down. The Flash Player (like all 
software) is limited in capability; if you spend that capability doing hard 
things (read Web Services) then you will not be able to do other things. On a 
high quality machine, WS can take 400ms, but on a slower machine it can take 
3-10 seconds for a single call and the larger the data exchanged, the worse it 
gets. Not good.

With Flash Player it is important to keep things light and fast. Web Services 
are abusive to the Flash Player runtime. Support is included for integration 
purposes but it was really not designed as an optimized way to exchange data. 

Web Services view:

Flash Player Receives XML ASCII Text
XML Parsing → XML Parsing!!!
SOAP Parsing occurs to AS Objects → Traverse SOAP Objects Recursively!!!
Objects are passed into events

RemoteObject:
Flash Player Receives AMF Data
AMF Binary Decoding → Direct to typed objects.
Objects are passed into events

I am sure there are many smart people out there who will get WebServices to 
work well for them with Flex. It is a lot of hard work to make this work well 
and I have only seen one company do it really well. I do not doubt that others 
will make this work reliably but I question its use. It will affect performance 
which is why AMF was created in the first place as an optimized data exchange 
format for Flash Player. 

One of the key advantages for WebServices is the wide availability of Web 
Service clients for any language. With AMF we only have one client( Flash 
Player ) and several AMF servers. One key enterprise objection to using AMF is 
the lack of AMF  clients for integration. 

Cases:
- PHP form could remote to FDS
- C++ application joins FDS messaging as a client
- Java process remotes to FDS
- Python process remotes to Data Services for Ruby (MidnightCoders)
- C# remotes data with FDS as a client

Part of the distributed computing revolution is the realization that anything 
can be both a client and a server. One of the problem areas in FDS is that only 
Flash and Java:JMS can participate within the FDS as clients.

Would non-flash clients for AMF and Messaging help?

Regards,

Ted Patrick
Flex Evangelist
Adobe Systems Incorporated


From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Franck 
de Bruijn
Sent: Wednesday, August 23, 2006 10:33 PM
To: flexcoders@yahoogroups.com
Subject: RE: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - 
which provides

Hi Ted,
 
We all understand your arguments 1 and 2. But in the end, and that’s already 
identified in this topic, it’s the user experience that counts. If it does not 
suffer by using web services, it’s not an issue! I’d like to hear the first 
story that changing webservices by AMF increased the user experience 
significantly and sealed a certain business proposition.
 
For argument 3 ‘Developer Productivity’ it’s true that

[flexcoders] Re: Limiting decimal places

Use a Currency Formatter:

// import the class
import mx.formatters.CurrencyFormatter;

// in code create and instance and set the format (also include $|,|.
selection)
var cashFormatter:CurrencyFormatter = new CurrencyFormatter();
cashFormatter.precision=2;

// apply the format to the raw and save
productPrice.text = cashFormatter.format(productObj.retailprice);





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[flexcoders] Re: Passing data from JSP to Flex

2006-08-24 Thread iviivi_us


I have posted the example before, take a look:
http://groups.yahoo.com/group/flexcoders/message/42468
--- In flexcoders@yahoogroups.com, Anas Mughal [EMAIL PROTECTED] wrote:

 I am new to Flex. Could someone help me with the following question.

   We have a struts-based application that we are gradually porting 
over to Flex. Currently, the user authentication (login screen) is 
done via a JSP page. A new module of the application is wrriten in 
Flex.

   We would like to pass the logged-in user information to Flex. How 
should we do that?

   Thank you very much for your kind assistance.
   --
   Anas Mughal
 
   
 -
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[flexcoders] Re: changing state of all itemrenderer instances?

Look into using the dataChange event in your renderer class. Basically
this event fires whenever the dataProvider is changed on your list:
this should include reapplying the same dataprovider that was
previously assigned.

I'd apply a change event function on your check box that basically
re-assigns the dataprovider for the list. Then in the itemRenderer
white a function that check the state of this check box and includes
excludes content based on its value. Here's an example.

mx:Canvas xmlns:mx=http://www.adobe.com/2006/mxml;
dataChange=updateChecks() 
mx:Script
![CDATA[
import mx.core.Application;
private function manageAttribute():void{
 // interacts with the data model
}

public function updateChecks():void{
//interact with global data model to determine status and set checkbox
thisCB.selected=selectedValue;
}

]]
/mx:Script
mx:HBox
mx:CheckBox id=thisCB horizontalCenter=0
label={data.attributename} click=manageAttribute()/
/mx:HBox
/mx:Canvas

You could do the same thing to hide/show an mxml based image or use
actionscript to dynamically and condtionally add one






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Re: [flexcoders] Re: Remote object help again..

2006-08-24 Thread Jeremy Rottman




Mark you advice worked like a charm. It now sees my destinations. And thanks to you jeff, that is a handy trick. On 8/23/06, Mark Piller 
[EMAIL PROTECTED] wrote:












  



Hey Jeff,

This is very helpful. I didn't know about the
trace(ServerConfig.xml) trick. Would it make sense to add some
special logic to the compiler to validate all destinations in the
code? That would need to apply to all mx:RemoteObject declarations as
well as ro.destination = xxx type of assignments.

Cheers,
Mark

--- In flexcoders@yahoogroups.com, Jeff Vroom [EMAIL PROTECTED] wrote:

 I have not heard of this caching bug before, but I'll follow up and see
 Flex Builder is doing any caching that might cause this.  
 
  
 
 It is the case that when you compile your SWF, the compiler needs to
 have a pointer to your services-config.xml file.  It includes a subset
 of the destination configuration into the SWF.  You can see what it has
 included when you enable debug logging on the client (e.g. via:
 mx:TraceTarget/), or you can just trace it out via:
 
  
 
 import mx.messaging.config.ServerConfig;
 
  
 
 
 
  
 
  trace(ServerConfig.xml);
 
  
 
 When I've seen this problem in the past, it was due to the fact that the
 compiler's configuration did not include a pointer to the correct
 services-config.xml. 
 
  
 
 Jeff
 
  
 
 
 
 From: flexcoders@yahoogroups.com [mailto:
flexcoders@yahoogroups.com] On
 Behalf Of Mark Piller
 Sent: Wednesday, August 23, 2006 12:50 PM
 To: flexcoders@yahoogroups.com
 Subject: [flexcoders] Re: Remote object help again..
 
  
 
 Did you add your destination after your Flex Builder project was
 created? We hear about this problem quite often. It appears Flex
 Builder caches remoting-config.xml and does not fetch the file every
 time you build the project. As a result, if a destination is added
 after the project is created, it will not be recognized unless you do
 one of the following:
 
 - restart Flex Builder
 - open project properties window, select the 'Flex Compiler' section
 and click 'Apply'
 
 It would be very helpful to get a confirmation from Adobe for this bug.
 
 Thanks,
 Mark
 
 --- In flexcoders@yahoogroups.com mailto:
flexcoders%40yahoogroups.com
 , Jeremy Rottman rottmanList@
 wrote:
 
  I am working on a simple application that uses remote objects to pass
  data to and from my db. But I keep running into the same problem.
  
  In my services-config.xml file, I have setup the destination ROTEST.
 It
  looks like this
  
  destination id=ROTEST
  channels
  channel ref=my-cfamf/
  /channels
  properties
  sourcebeta.cfc.ROtest/source
  !-- define the resolution rules and access
 level of
  the cfc being invoked --
  access
  !-- Use the ColdFusion mappings to find CFCs,
  by default only CFC files under your webroot can be found. --
  use-mappingsfalse/use-mappings
  !-- allow public and remote or just remote
  methods to be invoked --
  
  method-access-levelremote/method-access-level
  /access
  
  property-case
  !-- cfc property names --
  
 force-cfc-lowercasefalse/force-cfc-lowercase
  !-- Query column names --
  
  force-query-lowercasefalse/force-query-lowercase
  !-- struct keys --
  
  force-struct-lowercasefalse/force-struct-lowercase
  /property-case
  /properties
  /destination
  
  
  I wrote this simple flex application to test my connectivity.
  
  ?xml version=1.0 encoding=utf-8?
  mx:Application xmlns:mx=http://www.adobe.com/2006/mxml
 http://www.adobe.com/2006/mxml 
  layout=absolute
  
  
  mx:Script
  ![CDATA[
  import mx.controls.Alert;
  import mx.rpc.Fault;
  import mx.rpc.events.FaultEvent;
  import mx.rpc.events.ResultEvent;
  
  private function qryService_userSearch(lastName){
  qryService.userSearch(lastName)
  }
  
  private function qryService_userSearch_Result(event:ResultEvent):void{
  testDG.dataProvider = event.result;
  }
  
  private function qryService_userSearch_Fault(event:FaultEvent):void{
  
  errorText.text = event.fault.message;
  }
  ]]
  /mx:Script
  
  
  mx:RemoteObject
  id=qryService
  destination=ROTEST
  result=qryService_userSearch_Result(event)
  endpoint=http://beta.homesmartagent.com/flex2gateway/
 http://beta.homesmartagent.com/flex2gateway/ 
  showBusyCursor=true
  fault=qryService_userSearch_Fault(event)/
  mx:Canvas x=0 y=0 width=100% height=100%
  mx:Label x=10 y=10 text=Name:/
  mx:TextInput id=lastName x=60 y=8/
  mx:Button x=228 y=8
  click=qryService_userSearch(lastName.text) label=Button/
  mx:DataGrid x=10 y=38 id=testDG width=779 height=326
  mx:columns
  mx:DataGridColumn headerText=Column 1
  dataField=fld_agentFullName/
  mx:DataGridColumn headerText=Column 2 dataField=fld_agentId/
  mx:DataGridColumn headerText=Column 3 dataField=fld_agentEmail/
  /mx:columns
  /mx:DataGrid
  mx:TextArea x=10 y=372 id=errorText width=523
  height=221/
  /mx:Canvas
  /mx:Application
  
  Everytime I test the application, I get this error.
  faultCode:Server.Processing

Re: [flexcoders] Don't bindings work both ways??

2006-08-24 Thread Nate Hardt



Ahh, I mistook your question as being from someone who was just getting started, like myself. Maybe with Cairngorn, RemoteObject or FDS you can do more what you are looking for. It looks like your server language will make the most difference on what is available. From here I gotta leave you to the experts.On Aug 24, 2006, at 12:45 PM, Mike Anderson wrote:  Thanks for that informative post -    I guess I shouldn't post such (not dumb) but simplistic questions - I know better than that :)  
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[flexcoders] Flex DataGird CFC Query Call Help

2006-08-24 Thread David Smithers

Hello,

  I'm trying to populate a datagrid with data from a web service.  I 
do not know what I'm doing wrong please help.  Everything compiles 
but nothing is populated in the grid.

Here's my CFC Code
cfcomponent
  cffunction name=getData access=remote returntype=query
cfquery name=ELogs datasource=Error
SELECT * from ErrorLog
/cfquery

cfreturn ELogs
  /cffunction
/cfcomponent

Here's my Flex Code
?xml version=1.0 encoding=utf-8?
mx:Application xmlns:mx=http://www.adobe.com/2006/mxml; 
layout=vertical
mx:Script
![CDATA[
import mx.rpc.events.ResultEvent;
import mx.collections.ArrayCollection;

[Bindable]
private var myData:ArrayCollection;

private function resultHandler
(event:ResultEvent):void{
myData = event.result as 
ArrayCollection
}
]]
/mx:Script
mx:WebService id=myService   
wsdl=http://www.hawaiihotels.com/WSTest/Simple1.cfc?wsdl;
load=myService.getData();
result=resultHandler(event)/

mx:DataGrid dataProvider={myData}/
/mx:Application

Thanks Davide







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Re: [flexcoders] Don't bindings work both ways??




Hi,I don't know if this helps or not but,I use the change event in the textinput to update the model.Then when you want to update to the server the model is current.mx:TextInput id=userName 
 text={model.userName} change={model.userName = userName.text}/then you can submit the model with userName VO to the server with out assigning anything.Peace, Mike
On 8/24/06, Mike Anderson [EMAIL PROTECTED] wrote:













  






Thanks for that informative post - 

I guess I shouldn't post such (not dumb) but simplistic 
questions - I know better than that :)

Since Flex 2.0 has added such intuitive new features - one 
of those being the ability to directly find a Value within a Grid or List 
control, without having to Iterate through the values inside a Loop, that 
DataBinding may have had some enhancements to it as well.

I think it would be neat, to have an optional type of 
Binding scenario - in which the data flows both ways 
automatically...

In my case, I will just take the most typical path, and 
create 2 sets of Binding Commands - one that assigns the ValueObject properties 
to all my controls, and one that assigns all my control properties to the 
ValueObject. That should take care of any changes that are 
made in either direction...

I was just expecting too much, from the Binding features of 
Flex - and just have to continue to do it the traditional 
way...

Thanks again for all your help -

Mike


From: [EMAIL PROTECTED]ups.com 
[mailto:flexcoders@yahoogroups.com] On Behalf Of Nate 
HardtSent: Thursday, August 24, 2006 10:49 AMTo: 
[EMAIL PROTECTED]ups.comSubject: Re: [flexcoders] Don't bindings 
work both ways??

Bind your outgoing data to a model and submit that to the server:

mx:Model id=infoModel
info
text2{text1.text}/text1
text2{text2.text}/text2
info
/mx:Model

Send it to the server via an HTTPService:

mx:HTTPService 
id=saveAny
method=POST
url="" href="http://yourserver/process.a" target="_blank" >http://yourserver/process.a
useProxy=false
showBusyCursor=true
/mx:HTTPService

Send like this:
saveAny.send(infoModel);


Bind the incoming like this:

mx:Form width=50% height=100%
mx:FormHeading label=Standard 
Info/

mx:FormItem 
label=Text 1
mx:TextArea 
id=text1 text={generalInfo.lastResult.response.info.text1}/
/mx:FormItem

mx:FormItem 
label=Text 2
mx:TextArea id=text2 
text={generalInfo.lastResult.response.info.text2}/
/mx:FormItem

mx:Form

To a service like this:
mx:HTTPService 
  id=generalInfo 
  url="" href="http://yourserver/get" target="_blank" >http://yourserver/get
  useProxy=false
/mx:HTTPService


I use php, here's how I return the data. I put everything in an associate 
array then output it with a function:

$row['text1'] = some data;
$row['text2'] = some more data;

print ?xml version=\1.0\ ?\n;
print response;
print namedAssocToXml('info', $out);
print /response;

function namedAssocToXml($rowname, $attributes) {
$output = 
$rowname\n;
foreach 
($attributes as $name = $value) {
if 
(is_array($value)) {
if 
(is_numeric($name)) {
$output .= 
namedAssocToXml('row', $value);
} 
else {
$output .= 
namedAssocToXml($name, $value);
}
}
else {
$value = 
str_replace(, lt;, $value);
$value = 
str_replace(, gt;, $value);
if 
(is_numeric($name)) {
$output .= 
item . $value . /item\n;
} 
else {
$output .= 
$name . $value . /$name\n;
}

}
}
$output .= 
/$rowname\n;
return 
$output;
}


I think using HTTPService is the older model for doing things. With FDS you 
can do a lot of cooler things, but hopefully that will get you 
started.

Nate


On Aug 24, 2006, at 11:09 AM, Mike Anderson wrote:


  I will jump 
  back into the Docs right away, but in the meantime, is there a faster way to 
  do this?
  
  Or must I do 
  it the traditional way, by systematically assigning the values to the 
  ValueObject, just prior to sending the Variables over to the 
  server?
  
  i.e.
  
  myValueObjectVO.propertyOne 
  = textFieldOne.text;
  
  myValueObjectVO.propertyTwo 
  = textFieldTwo.text;
  
  myValueObjectVO.propertyThree 
  = textFieldThree.text;
  
  Thanks in 
  advance!
  
  Mike
  
  
  From:
 
  [EMAIL PROTECTED]ups.com [
mailto:flexcoders@yahoogroups.com] 
  On Behalf Of 
  Matt Chotin
Sent: Thursday, 
  August 24, 2006 12:32 AM
To: flexcoders@yahoogroups.com
Subject: RE: 
  [flexcoders] Don't bindings work both ways??
  
  
  No, binding 
  is only one-way, you'll need to set up the 2-way yourself.
  
  Matt

  
  
  

  
  
  
From: 
  flexcoders@yahoogroups.com
 
  [mailto:flexcoders@yahoogroups.com
] 
  On Behalf Of 
  Mike Anderson
Sent: 
  Wednesday, August 23, 2006 9:56 PM
To: 
  flexcoders@yahoogroups.com
Subject:
 
  [flexcoders] Don't bindings work both ways??
  
  
  
  
  
Hello 
  All,I 
  have a Form with several fields - and those fields are all bound to 
  aValueObject 
  (using the Curly Braces method).
After 
  doing my database calls, etc., my Form populates beautifully withall 
  the values. However, if I edit any of those fields on the Form,

[flexcoders] SecureAMF: SSL Handshake Prob

2006-08-24 Thread Stacy Young


Hi all,

Anyone run into this when using AMF over SSL?

...
08/24 13:47:37 DEBUG Optimizing... 960ms
08/24 13:47:37 DEBUG Total time: 11864ms
08/24 13:47:38 DEBUG SWF Encoding... 420ms
Aug 24, 2006 1:47:39 PM EDT Warning Security BEA-090476 
Invalid/unknown SSL header was received from peer localhost - 127.0.0.1 during 
SSL handshake.
...

Running locally with self-signed cert for testing ...everything else seems to 
be fine. The movie loads, just hangs on first remote call.

Cheers,
Stace

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Re: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides

2006-08-24 Thread Douglas Knudsen

shouldn't we qualify some of this with 'depends on what data you are moving'?? I'm finding that using a REST call to return XML can be WAY faster then using RemoteObject for a reporting tool. In this case I could care less about the magically uber kewl mapping of AS -- CFC/POJOs, eh?
DKOn 8/24/06, Ted Patrick [EMAIL PROTECTED] wrote:
Frank,RPC IS LESS THAN 25% OF FLEX DATA SERVICES!!!Flex Data Services is so much more that RPC. This entire discussion is really FDS.RPC to WebServices.FDS contains 4 major parts:1. Messaging - ASMessaging and JMSMessaging
2. Data Management - Data Synchronization and Distributed ArrayCollections3. Web Tier Compiler - Compilation of AS/MXML on the server side.4. RPC - Remoting and WebService ProxyUsing Web Services directly affects user experience!!!
Using Web Services directly affects user experience!!!Using Web Services directly affects user experience!!!Web Services burns up player performance that you could be using to make the user experience better. When working in Flash Player, everything affects performance. If you abuse the player in one area, you limit what you can do elsewhere before the player starts to slow down. The Flash Player (like all software) is limited in capability; if you spend that capability doing hard things (read Web Services) then you will not be able to do other things. On a high quality machine, WS can take 400ms, but on a slower machine it can take 3-10 seconds for a single call and the larger the data exchanged, the worse it gets. Not good.
With Flash Player it is important to keep things light and fast. Web Services are abusive to the Flash Player runtime. Support is included for integration purposes but it was really not designed as an optimized way to exchange data.
Web Services view:Flash Player Receives XML ASCII TextXML Parsing → XML Parsing!!!SOAP Parsing occurs to AS Objects → Traverse SOAP Objects Recursively!!!Objects are passed into eventsRemoteObject:
Flash Player Receives AMF DataAMF Binary Decoding → Direct to typed objects.Objects are passed into eventsI am sure there are many smart people out there who will get WebServices to work well for them with Flex. It is a lot of hard work to make this work well and I have only seen one company do it really well. I do not doubt that others will make this work reliably but I question its use. It will affect performance which is why AMF was created in the first place as an optimized data exchange format for Flash Player.
One of the key advantages for WebServices is the wide availability of Web Service clients for any language. With AMF we only have one client( Flash Player ) and several AMF servers. One key enterprise objection to using AMF is the lack of AMFclients for integration.
Cases:- PHP form could remote to FDS- C++ application joins FDS messaging as a client- Java process remotes to FDS- Python process remotes to Data Services for Ruby (MidnightCoders)- C# remotes data with FDS as a client
Part of the distributed computing revolution is the realization that anything can be both a client and a server. One of the problem areas in FDS is that only Flash and Java:JMS can participate within the FDS as clients.
Would non-flash clients for AMF and Messaging help?Regards,Ted PatrickFlex EvangelistAdobe Systems IncorporatedFrom:
flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Franck de BruijnSent: Wednesday, August 23, 2006 10:33 PMTo:
flexcoders@yahoogroups.comSubject: RE: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which providesHi Ted,We all understand your arguments 1 and 2. But in the end, and that's already identified in this topic, it's the user experience that counts. If it does not suffer by using web services, it's not an issue! I'd like to hear the first story that changing webservices by AMF increased the user experience significantly and sealed a certain business proposition.
For argument 3 'Developer Productivity' it's true that developers need to program more lines of code to obtain the same result (having your webservice result as an ActionScript object), which is, I admit, error prone. But in the total view of the costs of a development project ... it will not make much of a difference. The actual additional lines of code I'm talking about, however, are very easy to generate from a model if you wish.
Again, FDS is cool, really true and it does have its place. But for many applications FDS (including the extra features messaging and data management) is neither an option nor necessary.Cheers,Franck
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Re: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides

2006-08-24 Thread ryanm

 I am sure there are many smart people out there who will
 get WebServices to work well for them with Flex. It is a
 lot of hard work to make this work well and I  have only
 seen one company do it really well. I do not doubt that
 others will make this work reliably but I question its use.
 It will affect performance which is why AMF was created
 in the first place as an optimized data exchange format for
 Flash Player.

I got around this problem by abstraction and preemptively loading data 
that was likely to be loaded. I made up template-like objects that the 
client loaded that describe what makes a page of data, which included all 
of the possible design elements and whatnot. That way, when you actually go 
to load the data, the size of the data going to and from the server was 
minimal (and compressed). And I preloaded large blocks of commonly used data 
and cached them on the client side, keeping it updated by sending an MD5 
hash back to the server-side to be compared to the current data set on a 
regular basis or whenever that data was accessed. For a dial-up user that 
might be a problem, but for a business app it didn't even cause a noticable 
bump in their bandwidth usage. You just have to plan appropriately and do 
thorough use cases, so that you can develop a set of rules that will tell 
you what data is likely to be needed next. All the most common usage paths 
through the app were fast and responsive, and only the really heavy stuff, 
like real time reports that go back over tons of db records and stuff, took 
any noticable time to load. The end result was 100% compatible with either 
an AJAX front end or a Flash front end, the back end didn't know or care 
which it was talking to.

With appropriate planning and a good architecture, which transport 
method you use is almost irrelevant as long as it is flexible and 
compatible. ;-)

ryanm 



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Re: [flexcoders] Don't bindings work both ways??




 I think using HTTPService is the older model for doing things. No, you use it when you are not using FDS or do not have access to it or the money. ;-)Don't feel bad, you are not alone and everybody is not an enterprise either.
See the ongoing 50 thread post on this in the last 3 days.Peace, MikeOn 8/24/06, Michael Schmalle [EMAIL PROTECTED]
 wrote:Hi,I don't know if this helps or not but,I use the change event in the textinput to update the model.
Then when you want to update to the server the model is current.mx:TextInput id=userName 
 text={model.userName} change={model.userName = userName.text}/then you can submit the model with userName VO to the server with out assigning anything.Peace, Mike

On 8/24/06, Mike Anderson [EMAIL PROTECTED] wrote:














  






Thanks for that informative post - 

I guess I shouldn't post such (not dumb) but simplistic 
questions - I know better than that :)

Since Flex 2.0 has added such intuitive new features - one 
of those being the ability to directly find a Value within a Grid or List 
control, without having to Iterate through the values inside a Loop, that 
DataBinding may have had some enhancements to it as well.

I think it would be neat, to have an optional type of 
Binding scenario - in which the data flows both ways 
automatically...

In my case, I will just take the most typical path, and 
create 2 sets of Binding Commands - one that assigns the ValueObject properties 
to all my controls, and one that assigns all my control properties to the 
ValueObject. That should take care of any changes that are 
made in either direction...

I was just expecting too much, from the Binding features of 
Flex - and just have to continue to do it the traditional 
way...

Thanks again for all your help -

Mike


From: [EMAIL PROTECTED]ups.com 
[mailto:flexcoders@
yahoogroups.com] On Behalf Of Nate 
HardtSent: Thursday, August 24, 2006 10:49 AMTo: 
[EMAIL PROTECTED]ups.comSubject: Re: [flexcoders] Don't bindings 
work both ways??

Bind your outgoing data to a model and submit that to the server:

mx:Model id=infoModel
info
text2{text1.text}/text1
text2{text2.text}/text2
info
/mx:Model

Send it to the server via an HTTPService:

mx:HTTPService 
id=saveAny
method=POST
url="" href="http://yourserver/process.a" target="_blank" >http://yourserver/process.a
useProxy=false
showBusyCursor=true
/mx:HTTPService

Send like this:
saveAny.send(infoModel);


Bind the incoming like this:

mx:Form width=50% height=100%
mx:FormHeading label=Standard 
Info/

mx:FormItem 
label=Text 1
mx:TextArea 
id=text1 text={generalInfo.lastResult.response.info.text1}/
/mx:FormItem

mx:FormItem 
label=Text 2
mx:TextArea id=text2 
text={generalInfo.lastResult.response.info.text2}/
/mx:FormItem

mx:Form

To a service like this:
mx:HTTPService 
  id=generalInfo 
  url="" href="http://yourserver/get" target="_blank" >http://yourserver/get
  useProxy=false
/mx:HTTPService


I use php, here's how I return the data. I put everything in an associate 
array then output it with a function:

$row['text1'] = some data;
$row['text2'] = some more data;

print ?xml version=\1.0\ ?\n;
print response;
print namedAssocToXml('info', $out);
print /response;

function namedAssocToXml($rowname, $attributes) {
$output = 
$rowname\n;
foreach 
($attributes as $name = $value) {
if 
(is_array($value)) {
if 
(is_numeric($name)) {
$output .= 
namedAssocToXml('row', $value);
} 
else {
$output .= 
namedAssocToXml($name, $value);
}
}
else {
$value = 
str_replace(, lt;, $value);
$value = 
str_replace(, gt;, $value);
if 
(is_numeric($name)) {
$output .= 
item . $value . /item\n;
} 
else {
$output .= 
$name . $value . /$name\n;
}

}
}
$output .= 
/$rowname\n;
return 
$output;
}


I think using HTTPService is the older model for doing things. With FDS you 
can do a lot of cooler things, but hopefully that will get you 
started.

Nate


On Aug 24, 2006, at 11:09 AM, Mike Anderson wrote:



  I will jump 
  back into the Docs right away, but in the meantime, is there a faster way to 
  do this?
  
  Or must I do 
  it the traditional way, by systematically assigning the values to the 
  ValueObject, just prior to sending the Variables over to the 
  server?
  
  i.e.
  
  myValueObjectVO.propertyOne 
  = textFieldOne.text;
  
  myValueObjectVO.propertyTwo 
  = textFieldTwo.text;
  
  myValueObjectVO.propertyThree 
  = textFieldThree.text;
  
  Thanks in 
  advance!
  
  Mike
  
  
  From:

 
  [EMAIL PROTECTED]ups.com [

mailto:flexcoders@yahoogroups.com] 
  On Behalf Of 
  Matt Chotin

Sent: Thursday, 
  August 24, 2006 12:32 AM

To: flexcoders@yahoogroups.com

Subject: RE: 
  [flexcoders] Don't bindings work both ways??
  
  
  No, binding 
  is only one-way, you'll need to set up the 2-way yourself.
  
  Matt


  
  
  


  
  
  

From: 
  flexcoders@yahoogroups.com

 
  [mailto:flexcoders@yahoogroups.com

] 
  On Behalf Of 
  Mike Anderson

Sent: 
  Wednesday, August 23, 2006 9:56 PM

To:

[flexcoders] How to render HTML text in data grid column?

2006-08-24 Thread envidobi

Hi all,
Anyone know how i could display HTML text in a datagrid column?
Haven't seen any examples or tutorials on the subject.
Thanks,
David






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RE: [Junk E-Mail - LOW] [flexcoders] Flex DataGird CFC Query Call Help

2006-08-24 Thread Shannon Hicks






In order to return a ColdFusion query object as an Array 
Collection, you have to be using a remote object (flexgateway in 7.0.2), not a 
web service.

If you need to use web services, you have to turn that 
query into an array of structures before sending it back.

Shan


From: flexcoders@yahoogroups.com 
[mailto:[EMAIL PROTECTED] On Behalf Of David 
SmithersSent: Thursday, August 24, 2006 12:22 PMTo: 
flexcoders@yahoogroups.comSubject: [Junk E-Mail - LOW] [flexcoders] 
Flex DataGird CFC Query Call Help


Hello,I'm trying to populate a datagrid with data from a web service. 
I do not know what I'm doing wrong please help. Everything compiles but 
nothing is populated in the grid.Here's my CFC 
Codecfcomponentcffunction name="getData" access="remote" 
returntype="query"cfquery name="ELogs" 
datasource="Error"SELECT * from 
ErrorLog/cfquerycfreturn 
ELogs/cffunction/cfcomponentHere's my Flex 
Code?xml version="1.0" encoding="utf-8"?mx:Application 
xmlns:mx="http://www.adobe.com/2006/mxml" 
layout="vertical"mx:Script![CDATA[import 
mx.rpc.events.ResultEvent;import 
mx.collections.ArrayCollection;[Bindable]private var 
myData:ArrayCollection;private function 
resultHandler(event:ResultEvent):void{myData = event.result as 
ArrayCollection}]]/mx:Scriptmx:WebService 
id="myService" wsdl="http://www.hawaiihotels.com/WSTest/Simple1.cfc?wsdl"load="myService.getData();"result="resultHandler(event)"/mx:DataGrid 
dataProvider="{myData}"//mx:ApplicationThanks 
Davide
--No virus found in this incoming message.Checked by AVG 
Free Edition.Version: 7.1.405 / Virus Database: 268.11.5/426 - Release Date: 
8/23/2006
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Re: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides

I have to agree with Ted regarding productivity.Of course I may just be revealing that I am not as smart as the rest of you, but when I was considering various means of connecting to my java server during the transition to Flex2, I explored Axis and Axis2 for web services.
Figuring out how to use them was *no joke*. I am sure if I had dedicated the time to it I could have gotten up and running. But, honestly, I gave up after several days of study.The Axis umailing list was fairly useless for beginners, there were lots of people having problems with Axis2 and the documentation was almost unbearable. Now if you are already an expert then none of this applies to you. But the idea that from flash that you can just call your server side code just by declaring the classes you are working with in a configuration file is magic. It is so easy. Of course the typing issues on web services sound like a bear too and there are none with remoting, but I cant really talk about that because I never got that far with web services.
FDS and Flex2 are far far easier to work with. My only problem with FDS is pricing. Remoting used to cost $1000 or so per server, or it was free if you used an open source solution. Now it costs $20,000 per server after you need more than one server. I may actually have to switch back to an AMF0 version of remoting by the time my first server is overwhelmed because $20k is insane. I am using amazon S3 and for 20k worth of bandwidth and storage I could support millions of users over a year. but 20k in FDS software probably only supports 100k users. So the economics of FDS are insane. They are probably driven by the desire not to screw the Flex
1.5 people who paid a lot of money for their servers. Nevertheless, for remoting only apps FDS pricing is the only reason not to use it. But technically if you dont have to learn web services FDS will save you a lot of time.
Regards,HankOn 8/23/06, Ted Patrick [EMAIL PROTECTED] wrote:

AMF is faster in 3 fundamental ways:

Bandwidth Size –
Smaller, lighter, faster!!!

Parsing Speed – Less work
on both client and server!!!

Developer Productivity –
Less work for developers!!!

Web Services are dependent on XML Parsing on both the
client and server side. Although it's a good story, XML parsers are not
very efficient as parsing documents is an interpreted process. The Flash Player
XML parser will always be dramatically slower than AMF parsing, binary formats
are notoriously faster in this regard.

XML parsing additionally decays rapidly as the file size
increases. Flash Player XML parsing time increase non-linearly with larger XML
documents. With AMF parsing times are linear with data size. The XML decay can
be attributed to the number of inner objects that need to be created during a
parsing run. AMF objects are 1:1 with the data received where XML data is 1:N
per Elements/Attribute.

Comparing XML to AMF is an unfair race, AMF wins every
time. When you add in the overhead of WS SOAP parsing atop the base XML parser speed
you begin to see performance issues. With SOAP, you interpret an XML document
back into typed objects depending on the SOAP specifics used. Sure 350ms is ok
once or twice, but try doing 200 transactions in this format and you will see
performance issues arise. Using Web Services you are forcing the Flash Player
to do allot of unneeded work. The goal is to build richer applications, not
burn up player performance in crud operations.

Additionally non-proxied Web Service use suffers with
Flash Player because of the browser variation in the plug-in APIS. You cannot
get the 500 Errors response content in IE and thus the SOAP fault standard breaks
down. In SOAP there are important messages that arrive with 500 Errors and the
inability of the Flash Player to receive these is a problem. Unfortunately
there is no seamless way to get 500 Errors into the Flash Player other then
rewriting an HTTP Client in the Socket class. This effort would also require a
new SOAP library within Flex and socket use on low ports requires a more
complex crossdomain.xml configuration. Even then you still suffer the same
performance issues.

Performance aside, the productivity discussion is much
more important. AMF3 and Flex Data Services are wildly productive. Once you
compile your Java Class and configure a destination in FDS (1 XML Element), you
are done. All typing is handled, All methods are ready to run with any number
of client applications. It is the easiest way to create a server side API that
I know of. Actually most cases, implementing FDS will removes $20,000 of
developer time wasted on implementing other data exchange for an application.
FDS value is easy to see when viewed through this productivity ROI metric. If
you add CF integration into FDS, you enjoy an even more productive jump. We
spend so much time talking about performance but we often waste so much developer
time doing mundane data

RE: [flexcoders] specifying a percentage width in script?

2006-08-24 Thread Yaniv De Ridder













Hello Doug,



Try space.percentWidth=100%



/yaniv











From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Doug Arthur
Sent: Thursday, August 24, 2006
7:06 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] specifying a
percentage width in script?













How can I specify spacer.width = 100%??? It throws an error
because 100% is not an int.











Thanks!








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Re: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides

2006-08-24 Thread Claus Wahlers


 No I am not exaggerating.
 Run a Web Services call on my mothers old Dell and you can count the 
 seconds. When AMF was first added to Flash Player 6, the primary reason 
 was performance on slow machines. AMF was much faster then and it 
 remains the case. XML parsing performance decays non-linearly on slower 
 machines and with larger xml documents.

I fully understand that AMF is faster than XML. I also understand that 
FDS offers us way more than just AMF. I also understand that FDS in 
general, and AMF in particular makes things much easier for developers. 
I just don't want to accept that XML is as slow as you make it appear to 
be ;)

 Keep me honest Claus!

I try ;)

Cheers,
Claus.



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[flexcoders] Re: How to render HTML text in data grid column?

2006-08-24 Thread Oscar


  I would create an ItemRenderer and use either a Label or a Text tag, 
both have an htmlText property. No all the html tags are available 
tough. 
--- In flexcoders@yahoogroups.com, envidobi [EMAIL PROTECTED] wrote:

 Hi all,
 Anyone know how i could display HTML text in a datagrid column?
 Haven't seen any examples or tutorials on the subject.
 Thanks,
 David








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[flexcoders] Re: specifying a percentage width in script?

2006-08-24 Thread stevehousefl

Set the percentWidth or percentHeight property instead.

Steve

--- In flexcoders@yahoogroups.com, Doug Arthur [EMAIL PROTECTED] wrote:

 How can I specify spacer.width = 100%??? It throws an error
because 100%
 is not an int.
 
 Thanks!








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Re: [flexcoders] specifying a percentage width in script?




Hi,UsemyComponent.percentWidth = 100;Peace, MikeOn 8/24/06, Doug Arthur [EMAIL PROTECTED]
 wrote:












  



How can I specify spacer.width = 100%??? It throws an error because 100% is not an int.

Thanks!

  













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Re: [flexcoders] specifying a percentage width in script?

2006-08-24 Thread Brian Dunphy




I think you may have to determine the width of the outer container and calculate the percentage (in pixels) the manual way.Thanks,BrianOn 8/24/06, 
Doug Arthur [EMAIL PROTECTED] wrote:













  



How can I specify spacer.width = 100%??? It throws an error because 100% is not an int.

Thanks!

  













-- Brian Dunphy

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[flexcoders] Re: specifying a percentage width in script?

In ActionScript there is a property available that is not available in
MXML, and it is. [drum roll]

percentWidth !!!

(and of course percentHeight)

In some of the betas this was also available in MXML.

--- In flexcoders@yahoogroups.com, Doug Arthur [EMAIL PROTECTED] wrote:

 How can I specify spacer.width = 100%??? It throws an error
because 100%
 is not an int.
 
 Thanks!








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Re: [flexcoders] specifying a percentage width in script?

2006-08-24 Thread Tom Ortega




I had this problem too, you'll be mad about the simple answer. =)percentWidthLOL.Enjoy!-Tom2On 8/24/06, Brian Dunphy 
[EMAIL PROTECTED] wrote:












  



I think you may have to determine the width of the outer container and calculate the percentage (in pixels) the manual way.Thanks,Brian
On 8/24/06, 
Doug Arthur [EMAIL PROTECTED] wrote:














  



How can I specify spacer.width = 100%??? It throws an error because 100% is not an int.

Thanks!

  













-- Brian Dunphy

  















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RE: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides













Claus,



The specific case here is using
WebServices which is additive to using just XML.



Ted











From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of Claus Wahlers
Sent: Thursday, August 24, 2006
11:33 AM
To: flexcoders@yahoogroups.com
Subject: Re: [Junk E-Mail - LOW]
[flexcoders] Re: Choice of backend systems - which provides












 No I am not exaggerating.
 Run a Web Services call on my mothers old Dell and you can count the 
 seconds. When AMF was first added to Flash Player 6, the primary reason 
 was performance on slow machines. AMF was much faster then and it 
 remains the case. XML parsing performance decays non-linearly on slower 
 machines and with larger xml documents.

I fully understand that AMF is faster than XML. I also understand that 
FDS offers us way more than just AMF. I also understand that FDS in 
general, and AMF in particular makes things much easier for developers. 
I just don't want to accept that XML is as slow as you make it appear to 
be ;)

 Keep me honest Claus!

I try ;)

Cheers,
Claus.






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[flexcoders] Items Invisible in ComboBox

2006-08-24 Thread stevehousefl

I have a very standard combobox control:

mx:ComboBox id=cbStatus dataProvider={statusesWithAll}
labelField=sStatus change=filterChange()/mx:ComboBox

When I click on it and it opens, some items are invisible.  The space
for them is there, but the text is missing.  If I select an invisible
item, it displays properly in the closed combobox and works as
designed with the app.

It seems to randomly make items appear and disappear with each open
and close of the combobox.  Sometimes the selected item will reappear
with the highlight on it or sometimes just the empty row will be
highlighted.

Any ideas?  Thanks,

Steve H.






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RE: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides













FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE



- FDS Express is limited to one 1 physical CPU (multi-core
supported)

- FDS Express cannot be clustered for failover and redundancy.




All higher level FDS Licenses address the redundancy and
failover aspects for departmental use (100 concurrent users) and enterprise (unlimited
users).



The blanket statement that FDS costs $20,000 is dead
wrong. For a large majority of projects it is free, free, free.



Ted Patrick

Flex Evangelist

Adobe Systems Incorporated

















From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of hank williams
Sent: Thursday, August 24, 2006
11:19 AM
To: flexcoders@yahoogroups.com
Subject: Re: [Junk E-Mail - LOW]
[flexcoders] Re: Choice of backend systems - which provides











I have to agree with Ted regarding productivity.

Of course I may just be revealing that I am not as smart as the rest of you,
but when I was considering various means of connecting to my java server during
the transition to Flex2, I explored Axis and Axis2 for web services. 

Figuring out how to use them was *no joke*. I am sure if I had dedicated the
time to it I could have gotten up and running. But, honestly, I gave up after
several days of study.

The Axis umailing list was fairly useless for beginners, there were lots of
people having problems with Axis2 and the documentation was almost unbearable.
Now if you are already an expert then none of this applies to you. But the idea
that from flash that you can just call your server side code just by declaring
the classes you are working with in a configuration file is magic. It is so
easy. Of course the typing issues on web services sound like a bear too and
there are none with remoting, but I cant really talk about that because I never
got that far with web services. 

FDS and Flex2 are far far easier to work with. My only problem with FDS is
pricing. Remoting used to cost $1000 or so per server, or it was free if you
used an open source solution. Now it costs $20,000 per server after you need
more than one server. I may actually have to switch back to an AMF0 version of
remoting by the time my first server is overwhelmed because $20k is insane. I
am using amazon S3 and for 20k worth of bandwidth and storage I could support
millions of users over a year. but 20k in FDS software probably only supports
100k users. So the economics of FDS are insane. They are probably driven by the
desire not to screw the Flex 1.5 people who paid a lot of money for their
servers. Nevertheless, for remoting only apps FDS pricing is the only reason
not to use it. But technically if you dont have to learn web services FDS will
save you a lot of time. 

Regards,
Hank



On 8/23/06, Ted Patrick [EMAIL PROTECTED]com wrote:







AMF
is faster in 3 fundamental ways:




 Bandwidth Size  Smaller, lighter,
 faster!!!





 Parsing Speed  Less work on both client
 and server!!!





 Developer Productivity  Less work for
 developers!!!




Web
Services are dependent on XML Parsing on both the client and server side.
Although it's a good story, XML parsers are not very efficient as parsing
documents is an interpreted process. The Flash Player XML parser will always be
dramatically slower than AMF parsing, binary formats are notoriously faster in
this regard. 



XML
parsing additionally decays rapidly as the file size increases. Flash Player
XML parsing time increase non-linearly with larger XML documents. With AMF
parsing times are linear with data size. The XML decay can be attributed to the
number of inner objects that need to be created during a parsing run. AMF
objects are 1:1 with the data received where XML data is 1:N per
Elements/Attribute.



Comparing
XML to AMF is an unfair race, AMF wins every time. When you add in the overhead
of WS SOAP parsing atop the base XML parser speed you begin to see performance
issues. With SOAP, you interpret an XML document back into typed objects
depending on the SOAP specifics used. Sure 350ms is ok once or twice, but try
doing 200 transactions in this format and you will see performance issues
arise. Using Web Services you are forcing the Flash Player to do allot of
unneeded work. The goal is to build richer applications, not burn up player
performance in crud operations.



Additionally
non-proxied Web Service use suffers with Flash Player because of the browser
variation in the plug-in APIS. You cannot get the 500 Errors response content
in IE and thus the SOAP fault standard breaks down. In SOAP there are important
messages that arrive with 500 Errors and

RE: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides

2006-08-24 Thread Jack Caldwell






Ted:

How many concurrent users can FDS 
Expresssupport?

On the departmental version, if the 101st concurrent user 
tries to connect is there an
error message or busy message or do they just wait a little 
longer to get the data?

Thanks,

Jack


From: flexcoders@yahoogroups.com 
[mailto:[EMAIL PROTECTED] On Behalf Of Ted 
PatrickSent: Thursday, August 24, 2006 1:57 PMTo: 
flexcoders@yahoogroups.comSubject: RE: [Junk E-Mail - LOW] 
[flexcoders] Re: Choice of backend systems - which provides




FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE

- FDS Express is limited to one 1 
physical CPU (multi-core supported)
- FDS Express cannot be clustered 
for failover and redundancy. 

All higher level FDS Licenses 
address the redundancy and failover aspects for departmental use (100 concurrent 
users) and enterprise (unlimited users).

The blanket statement that FDS 
costs $20,000 is dead wrong. For a large majority of projects it is free, free, 
free.

Ted 
Patrick
Flex 
Evangelist
Adobe Systems 
Incorporated








From: 
[EMAIL PROTECTED]ups.com 
[mailto:[EMAIL PROTECTED]ups.com] On Behalf Of hank williamsSent: Thursday, August 24, 2006 11:19 
AMTo: 
[EMAIL PROTECTED]ups.comSubject: Re: [Junk E-Mail - LOW] 
[flexcoders] Re: Choice of backend systems - which 
provides




I have to 
agree with Ted regarding productivity.Of course I may just be revealing 
that I am not as smart as the rest of you, but when I was considering various 
means of connecting to my java server during the transition to Flex2, I explored 
Axis and Axis2 for web services. Figuring out how to use them was *no 
joke*. I am sure if I had dedicated the time to it I could have gotten up and 
running. But, honestly, I gave up after several days of study.The Axis 
umailing list was fairly useless for beginners, there were lots of people having 
problems with Axis2 and the documentation was almost unbearable. Now if you are 
already an expert then none of this applies to you. But the idea that from flash 
that you can just call your server side code just by declaring the classes you 
are working with in a configuration file is magic. It is so easy. Of course the 
typing issues on web services sound like a bear too and there are none with 
remoting, but I cant really talk about that because I never got that far with 
web services. FDS and Flex2 are far far easier to work with. My only 
problem with FDS is pricing. Remoting used to cost $1000 or so per server, or it 
was free if you used an open source solution. Now it costs $20,000 per server 
after you need more than one server. I may actually have to switch back to an 
AMF0 version of remoting by the time my first server is overwhelmed because $20k 
is insane. I am using amazon S3 and for 20k worth of bandwidth and storage I 
could support millions of users over a year. but 20k in FDS software probably 
only supports 100k users. So the economics of FDS are insane. They are probably 
driven by the desire not to screw the Flex 1.5 people who paid a lot of money 
for their servers. Nevertheless, for remoting only apps FDS pricing is the only 
reason not to use it. But technically if you dont have to learn web services FDS 
will save you a lot of time. Regards,Hank

On 8/23/06, Ted Patrick [EMAIL PROTECTED]com 
wrote:



AMF is faster in 3 fundamental 
ways:


  Bandwidth Size  Smaller, 
  lighter, faster!!! 


  Parsing Speed  Less work on 
  both client and server!!! 


  Developer Productivity  Less 
  work for developers!!! 

Web Services are dependent on XML 
Parsing on both the client and server side. Although it's a good story, XML 
parsers are not very efficient as parsing documents is an interpreted process. 
The Flash Player XML parser will always be dramatically slower than AMF parsing, 
binary formats are notoriously faster in this regard. 

XML parsing additionally decays 
rapidly as the file size increases. Flash Player XML parsing time increase 
non-linearly with larger XML documents. With AMF parsing times are linear with 
data size. The XML decay can be attributed to the number of inner objects that 
need to be created during a parsing run. AMF objects are 1:1 with the data 
received where XML data is 1:N per Elements/Attribute.

Comparing XML to AMF is an unfair 
race, AMF wins every time. When you add in the overhead of WS SOAP parsing atop 
the base XML parser speed you begin to see performance issues. With SOAP, you 
interpret an XML document back into typed objects depending on the SOAP 
specifics used. Sure 350ms is ok once or twice, but try doing 200 transactions 
in this format and you will see performance

RE: [flexcoders] Re: Flex 2 Final : Error #1009, in RadioButton/get labelPlacement()

2006-08-24 Thread Benoit Hediard

Hi Jason,

Yes, I found one workaround to this issue.
Use the repeatEnd event to execute a function that will assign the groupName
to each one of your RadioButton. 
Use also this function to assign the selected button (because the bindings
are a source of the problem).

Benoit Hediard 

-Message d'origine-
De : flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] De la
part de Jason
Envoyé : jeudi 24 août 2006 18:11
À : flexcoders@yahoogroups.com
Objet : [flexcoders] Re: Flex 2 Final : Error #1009, in RadioButton/get
labelPlacement()

Has anyone found a workaround to the bug with RadioButton groups and
repeater components described here?  I have having this same problem.

--jason

--- In flexcoders@yahoogroups.com, Benoit Hediard [EMAIL PROTECTED] wrote:

 I've investigated this issue a little bit more.
 It looks like there some problems with RadioButton when they are used 
 in groups.
 First display is generally correct, but when the display list is
refreshed,
 it generates some bugs.
  
 In our case, the RadioButton group is used in a popup, and even
after the
 popup is deleted, some popup display routines are still executed.
  
 When debugging is on, the error is generated in RadioButton.as, at
line 172,
 because the property group is null :
 if (_labelPlacement != ) {
 value = _labelPlacement;
 } else if (_group  group.labelPlacement != ) { // L.172
 value = group.labelPlacement;
 }
  
 Workaround : always define labelPlacement in all your RadioButton
(so that
 the group labelPlacement is never read).
  
 I've also encountered a similar error in another case : RadioButton
groups
 used inside a Repeater, with the groupName defined during the repeater 
 execution (groupName={theRepeater.currentIndex}).
 First execution is correct, but the next ones generate an error.
  
 When debugging is on, the error is generated in the RadioButton.as,
at line
 454, for the same reason (property group is null) :
 var g:RadioButtonGroup = group:
 g.addInstance(this); // L.454
  
 I haven't found a workaround for this one.
  
 It's too bad because all of this was working in previous beta but
not on the
 final release ;).
  
 Benoit Hediard
 
   _
 
 De : flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED]
De la
 part de Benoit Hediard
 Envoyé : lundi 3 juillet 2006 12:36
 À : flexcoders@yahoogroups.com
 Objet : [flexcoders] Flex 2 Final : Error #1009, in RadioButton/get
 labelPlacement()
 
 
 Error #1009: Il est impossible d'accéder à la propriété ou la
méthode d'une
 référence d'objet nul.
 (in english, something like it is not possible to access the
property or
 the method of the null object reference) at 
 mx.controls::RadioButton/get labelPlacement() at

mx.controls::Button/http://www.adobe.com/2006/flex/mx/internal::layoutConten
 ts()
 at mx.controls::Button/mx.controls:Button::updateDisplayList()
 ...
  
 In Flex2 final, I'm getting this error regularly...
 Not tried yet to reproduce it on a simple regular case, but it looks
like
 pretty random.
 I don't use the labelPlacement property in our app.
  
 I've never encountered this error in previous beta, only since the FP9 
 /
 Flex2 Final.
 Looks like a very annoying low level framework error, related to the
layout
 of RadioButtons.
  
 Anyone else facing this issue?
 And found a workaround?
  
 Benoit Hediard







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[flexcoders] Launch Failed error

2006-08-24 Thread Ken Bromberger











Hi all,



When I have two application files in a project, I cant
get Flex to debug/launch the new one. The error I get is Launch Failed, File
not found. It looks like Flex is not creating the HTML file for the swf.

Any tips??



-Ken 










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Re: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides




FDS NOT FREE AFTER THE FIRST SERVER
FDS 
NOT FREE AFTER THE FIRST SERVERFDS NOT FREE AFTER THE FIRST SERVER
FDS 
NOT FREE AFTER THE FIRST SERVERFDS NOT FREE AFTER THE FIRST SERVER

FDS 

NOT FREE AFTER THE FIRST SERVER
FDS 
NOT FREE AFTER THE FIRST SERVER

FDS 

NOT FREE AFTER THE FIRST SERVERFDS NOT FREE AFTER THE FIRST SERVER

FDS 

NOT FREE AFTER THE FIRST SERVER
FDS 
NOT FREE AFTER THE FIRST SERVER

FDS 

NOT FREE AFTER THE FIRST SERVERlol.But seriously Ted, you didnt read my post very carefully. What I said was this:Now it costs $20,000 per server after you need more than one server.
This is significant because it means that you are locked in and if you do well, at some point you will have to pay the piper significantly in order to scale. That second server cliff is a doosey!Regards,Hank
On 8/24/06, Ted Patrick [EMAIL PROTECTED] wrote:



















FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE

FDS Express == 1CPU FREE



- FDS Express is limited to one 1 physical CPU (multi-core
supported)

- FDS Express cannot be clustered for failover and redundancy.




All higher level FDS Licenses address the redundancy and
failover aspects for departmental use (100 concurrent users) and enterprise (unlimited
users).



The blanket statement that FDS costs $20,000 is dead
wrong. For a large majority of projects it is free, free, free.



Ted Patrick

Flex Evangelist

Adobe Systems Incorporated

















From: 
flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] 
On Behalf Of hank williams
Sent: Thursday, August 24, 2006
11:19 AM
To: flexcoders@yahoogroups.com
Subject: Re: [Junk E-Mail - LOW]
[flexcoders] Re: Choice of backend systems - which provides











I have to agree with Ted regarding productivity.

Of course I may just be revealing that I am not as smart as the rest of you,
but when I was considering various means of connecting to my java server during
the transition to Flex2, I explored Axis and Axis2 for web services. 

Figuring out how to use them was *no joke*. I am sure if I had dedicated the
time to it I could have gotten up and running. But, honestly, I gave up after
several days of study.

The Axis umailing list was fairly useless for beginners, there were lots of
people having problems with Axis2 and the documentation was almost unbearable.
Now if you are already an expert then none of this applies to you. But the idea
that from flash that you can just call your server side code just by declaring
the classes you are working with in a configuration file is magic. It is so
easy. Of course the typing issues on web services sound like a bear too and
there are none with remoting, but I cant really talk about that because I never
got that far with web services. 

FDS and Flex2 are far far easier to work with. My only problem with FDS is
pricing. Remoting used to cost $1000 or so per server, or it was free if you
used an open source solution. Now it costs $20,000 per server after you need
more than one server. I may actually have to switch back to an AMF0 version of
remoting by the time my first server is overwhelmed because $20k is insane. I
am using amazon S3 and for 20k worth of bandwidth and storage I could support
millions of users over a year. but 20k in FDS software probably only supports
100k users. So the economics of FDS are insane. They are probably driven by the
desire not to screw the Flex 1.5 people who paid a lot of money for their
servers. Nevertheless, for remoting only apps FDS pricing is the only reason
not to use it. But technically if you dont have to learn web services FDS will
save you a lot of time. 

Regards,
Hank



On 8/23/06, Ted Patrick 
[EMAIL PROTECTED] wrote:







AMF
is faster in 3 fundamental ways:




 Bandwidth Size – Smaller, lighter,
 faster!!!





 Parsing Speed – Less work on both client
 and server!!!





 Developer Productivity – Less work for
 developers!!!




Web
Services are dependent on XML Parsing on both the client and server side.
Although it's a good story, XML parsers are not very efficient as parsing
documents is an interpreted process. The Flash Player XML parser will always be
dramatically slower than AMF parsing, binary formats are notoriously faster in
this regard. 



XML
parsing additionally decays rapidly as the file size increases. Flash Player
XML parsing time increase non-linearly with larger XML documents. With AMF
parsing times are linear with data size. The XML decay can be attributed to the
number of inner objects that need to be created during a parsing run. AMF
objects are 1:1 with the data received where XML data is 1:N per
Elements/Attribute.

[flexcoders] ControlBar added in script display issues...

2006-08-24 Thread Doug Arthur





I'm creating a popup with a progress bar and a cancel button, I want to add a controlBar container, but it's not padding the width of the container properly, any help would be great.
Below is the code:progressStatus = PopUpManager.createPopUp(Container(Application.application), TitleWindow, true);progressStatus.width = 300;progressStatus.styleName = opaquePanel;
progressStatus.title = 'Download in Progress:';bar.mode = 'manual';bar.label = 'Loading ' + currentIndex + ' of ' + totalOrders + '...';btnCancel.addEventListener(MouseEvent.CLICK, cancel);btnCancel.enabled
 = true;btnCancel.label = 'Cancel';var ctrlBar:ControlBar = new ControlBar();ctrlBar.percentWidth = 100;ctrlBar.addChild(btnCancel);progressStatus.addChild(ctrlBar);progressStatus.addChildAt
(bar, 0);PopUpManager.centerPopUp(progressStatus);PopUpManager.bringToFront(progressStatus);

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[flexcoders] Re: How to render HTML text in data grid column?

2006-08-24 Thread Oscar


 OK, Here is an example :


?xml version=1.0 encoding=utf-8?
mx:Application xmlns:mx=http://www.adobe.com/2006/mxml;

mx:Script
![CDATA[

[Bindable]
public var myArray:Array = 
[{colA:'A',colB:'B'},{colA:'A1',colB:'B1'}];
]]
/mx:Script



mx:DataGrid id=myGrid dataProvider={myArray} 
width=100% height=50%
 variableRowHeight=true 
mx:columns
mx:Array
mx:DataGridColumn dataField=colA 
headerText=Column A width=70/
mx:DataGridColumn dataField=colB 
headerText=Column B width=50
 wordWrap=true
  
mx:itemRenderer 
mx:Component 
mx:Label  height=100 

mx:htmlText
![CDATA[This 
is font color=#FFHTML text/font in a bText component/b. 
Using the 
uhtmlText attribute/u of the 
font 
color=#008800Text component/font you can use basic 
HTML markup.]]
   /mx:htmlText
/mx:Label
/mx:Component
/mx:itemRenderer
/mx:DataGridColumn

/mx:Array
/mx:columns
/mx:DataGrid
/mx:Application


--- In flexcoders@yahoogroups.com, Oscar [EMAIL PROTECTED] wrote:

 
   I would create an ItemRenderer and use either a Label or a Text 
tag, 
 both have an htmlText property. No all the html tags are available 
 tough. 
 --- In flexcoders@yahoogroups.com, envidobi envidobi@ wrote:
 
  Hi all,
  Anyone know how i could display HTML text in a datagrid column?
  Haven't seen any examples or tutorials on the subject.
  Thanks,
  David
 







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Re: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides




Hate to jump in, because I see your question is targeted at ted, but I have to say one thing. The issue isnt how many users FDS Express can support but how many users your entire application can support per server. Because FDS is just a piece of your web application (WAR). So if you are doing something that is computationally intense or disk access intense it will suck up system resources more than otherwise, thus reducing the number of concurrent users your FDS app can support. So you really need to test your app to see how many concurrent users your apps, without FDS, will support. Adding FDS to that will obviously consume resources as well. 
What this means is FDS is more expensive when attached to a more heavy application.Regards,HankOn 8/24/06, Jack Caldwell
 [EMAIL PROTECTED] wrote:







Ted:

How many concurrent users can FDS 
Expresssupport?

On the departmental version, if the 101st concurrent user 
tries to connect is there an
error message or busy message or do they just wait a little 
longer to get the data?

Thanks,

Jack


From: flexcoders@yahoogroups.com 
[mailto:flexcoders@yahoogroups.com] On Behalf Of Ted 
PatrickSent: Thursday, August 24, 2006 1:57 PMTo: 
flexcoders@yahoogroups.comSubject: RE: [Junk E-Mail - LOW] 
[flexcoders] Re: Choice of backend systems - which provides




FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE
FDS Express == 1CPU 
FREE

- FDS Express is limited to one 1 
physical CPU (multi-core supported)
- FDS Express cannot be clustered 
for failover and redundancy. 

All higher level FDS Licenses 
address the redundancy and failover aspects for departmental use (100 concurrent 
users) and enterprise (unlimited users).

The blanket statement that FDS 
costs $20,000 is dead wrong. For a large majority of projects it is free, free, 
free.

Ted 
Patrick
Flex 
Evangelist
Adobe Systems 
Incorporated








From: 
[EMAIL PROTECTED]ups.com 
[mailto:[EMAIL PROTECTED]ups.com] On Behalf Of 
hank williamsSent: Thursday, August 24, 2006 11:19 
AMTo: 
[EMAIL PROTECTED]ups.comSubject: Re: [Junk E-Mail - LOW] 
[flexcoders] Re: Choice of backend systems - which 
provides




I have to 
agree with Ted regarding productivity.Of course I may just be revealing 
that I am not as smart as the rest of you, but when I was considering various 
means of connecting to my java server during the transition to Flex2, I explored 
Axis and Axis2 for web services. Figuring out how to use them was *no 
joke*. I am sure if I had dedicated the time to it I could have gotten up and 
running. But, honestly, I gave up after several days of study.The Axis 
umailing list was fairly useless for beginners, there were lots of people having 
problems with Axis2 and the documentation was almost unbearable. Now if you are 
already an expert then none of this applies to you. But the idea that from flash 
that you can just call your server side code just by declaring the classes you 
are working with in a configuration file is magic. It is so easy. Of course the 
typing issues on web services sound like a bear too and there are none with 
remoting, but I cant really talk about that because I never got that far with 
web services. FDS and Flex2 are far far easier to work with. My only 
problem with FDS is pricing. Remoting used to cost $1000 or so per server, or it 
was free if you used an open source solution. Now it costs $20,000 per server 
after you need more than one server. I may actually have to switch back to an 
AMF0 version of remoting by the time my first server is overwhelmed because $20k 
is insane. I am using amazon S3 and for 20k worth of bandwidth and storage I 
could support millions of users over a year. but 20k in FDS software probably 
only supports 100k users. So the economics of FDS are insane. They are probably 
driven by the desire not to screw the Flex 1.5 people who paid a lot of money 
for their servers. Nevertheless, for remoting only apps FDS pricing is the only 
reason not to use it. But technically if you dont have to learn web services FDS 
will save you a lot of time. Regards,Hank

On 8/23/06, Ted Patrick 
[EMAIL PROTECTED] 
wrote:



AMF is faster in 3 fundamental 
ways:


  Bandwidth Size – Smaller, 
  lighter, faster!!! 


  Parsing Speed – Less work on 
  both client and server!!! 


  Developer Productivity – Less 
  work for developers!!! 

Web Services are dependent on XML 
Parsing on both the client and server side. Although it's a good story, XML 
parsers are not very efficient as parsing documents is an interpreted process. 
The Flash Player XML parser will always be dramatically slower than AMF parsing, 
binary formats are notoriously

RE: [flexcoders] Can Flex Data Services Compile on the Fly?













Yes FDS contains a Web Tier Compiler.



In any webapp with FDS enabled, simply drop an MXML file
and call it from a URL like so:



http://myserver/mywebapp/app.mxml



This will be compiled on first call and will only be
recompiled when the source MXML changes.



Ted Patrick

Flex Evangelist

Adobe Systems Incorporated













From: flexcoders@yahoogroups.com [mailto:flexcoders@yahoogroups.com] On Behalf Of this_is_louie
Sent: Thursday, August 24, 2006
12:30 PM
To: flexcoders@yahoogroups.com
Subject: [flexcoders] Can Flex
Data Services Compile on the Fly?











Hi,

I'm new to flex and curious about the capabilities of it. From what
I understand, Flex 1 was originally a server architecture where it
would only compile server side. Now that flex 2 is out, can FDS still
compile on the fly? If it can, can you point me in the right direction?

Thanks and I look forward to your reply.






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Web site design development
  
  
Computer software development
  
  
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RE: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides

2006-08-24 Thread Dustin Mercer













Something I have done in
the past is to create a hybrid solution. One of the biggest advantages of
Web Services is of course its ability to be consumed by just about everything.
That being said, Java can consume web services! I have found creating Web
Service Facades that FDS connects to can keep both sides happy. You get
the performance of AMF to the client side, and you get to keep your services in
one central location (as long as you dont try to recreate business logic
in java, just make it the middle man). One definite downfall is your J2EE
server will do the parsing and translation of the web services (this can impact
all users as the system scales if the server isnt very powerful, or the services
are poorly designed), as well as the consumption of services in java isnt
always the easiest thing. On the flip side of that your java server can
also do the exception handling and send better exceptions to the client side.
This may be a good middle ground for those searching for the benefits of both.



Dustin Mercer




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[flexcoders] Re: Problems interpolating a BarChart

2006-08-24 Thread trader230

--- In flexcoders@yahoogroups.com, ben.clinkinbeard
[EMAIL PROTECTED] wrote:

 I have a BarChart that is displaying its data correctly. I also have a
 combobox that, upon its change event, calls a function that
 repopulates the BarChart's dataProvider. The BarChart updates its
 display as expected, but if I try to set the showDataEffect attribute
 of any of the child BarSeries components (which I am successfully
 using on a ColumnChart elsewhere), I get an RTE with the infamous
 Error #1009: Cannot access a property or method of a null object
 reference. message. The debugger opens and selects a
 mx.charts.chartClasses.CartesianTransform instance, but other than
 that I get no feedback on what the actual problem is. At first I
 thought that maybe it was having trouble scaling some of the BarSeries
 items to a value of 0, but the more I investigate, the less it seems
 like that is the issue.
 
 So my question is a basic one: does anyone have any ideas what could
 be causing this or suggestions of where I should further investigate?
 
 Thanks,
 Ben


Hi Ben - 

Could you post the code? 

--Brian






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Re: [flexcoders] Blitz XRay

2006-08-24 Thread John Grden

http://www.osflash.org/xray#connectors_8.11.2006Let mek now if you have any questionsJPGOn 8/24/06,
Chad Callahan [EMAIL PROTECTED] wrote:

I was looking at http://osflash.org/xray

for the XRay connector for Flex2 but couldn't find any downloads or links
to it. If anyone knows where to download the connector for Flex2, please email
me a link.

Thanks

CHAD
CALLAHAN
PROGRAMMER

T8DESIGN.COM
| P 319.266.7574 - x195 | 877.T8IDEAS | F 888.290.4675

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[flexcoders] Can Flex Data Services Compile on the Fly?

2006-08-24 Thread this_is_louie

Hi,

  I'm new to flex and curious about the capabilities of it.  From what
I understand, Flex 1 was originally a server architecture where it
would only compile server side.  Now that flex 2 is out, can FDS still
compile on the fly?  If it can, can you point me in the right direction?

  Thanks and I look forward to your reply.






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Re: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides

2006-08-24 Thread Evert | Collab

You are forgetting that if a request takes half the time to complete, it 
needs less cpu time and you can double the concurrent requests per server.

Evert

Dave Wolf wrote:
 I simply have to disagree here.  We can demonstrate several in
 production applications which we have developed using SOAP XML
 WebServices and they perform like a champ.  One of them was the runner
 up for last years MAX award.  The majority of the applications we
 develop use this architecture and to date not a single time has a
 client nor a user complained about the performance of runtime data
 services based on SOAP.

 There are a few false rumors that continue to creep up in the Flex
 community about the performance issues around SOAP.

 There are benchmarks which show that AMF can be drastically faster
 than a SOAP call for the same data.  Sometimes even 100% faster.  Yup
 that's true there are.  But you have to peel away the layers of the
 onion to see the reality.  Statistics can be misleading.  For
 instance, if AMF is 300 milliseconds and SOAP is 600 milliseconds the
 100% difference isnt even relative.  How many people do you know who
 can even see 1/3 of a seconds difference?  In the end raw marshalling
 isnt the issue, it is the user and their experience.  Flex2 made
 DRASTIC improvements it the performance of XML parsing and in our own
 benchmarks the delta between the two services choices is often as low
 as 10%.

 Of a much greater impact that the marshalling time is the UI
 shredding and binding of the data.  Most badly performing RIA's
 suffer from data being returned from the back-end in a format that
 holds no fidelity with the RIA.  This requires the RIA to tear apart
 the returned structural data and place it into its own structures and
 objects and bind those to UI controls.  Developing your user
 experience in a front-to-back approach which assures great fidelity
 between the data formats of the tiers can account for an order of
 magnitude performance increase.  That is the kind of performance
 increase users will actually experience.  

 There are many other very smart things you can do like extending
 existing controls to do streaming rendering of data to provide the
 perception of speed, server side paging, caching, etc.  

 In the end perception is reality.  All that matters from the UI
 perspective is the experience that the user has.  Worring about 300
 milliseconds is like trying to debate the number of angels that could
 dance on the end of a pin.  If the user can't see them, it doesn't
 matter how many there are.

 The running rumor that you simply cannot develop first class RIAs in
 Flex using a SOAP web services back-end is simply not accurate, and we
 have the apps in production with our clients to prove it.


   



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[flexcoders] Re: How to render HTML text in data grid column?

2006-08-24 Thread envidobi

Hi Oscar,
Thanks a bunch for replying. I've had about 10 posts now and i've not
gotten a single reply. Thanks for your time! :)

I get what you're doing but if i'm getting data from a remote object
how would i display it? Hers's what i have thus far (and you'll have
to excuse my beginner skills here):

mx:DataGrid
id=masterList
doubleClickEnabled=true 

doubleClick=this.currentIndex=this.masterList.selectedIndex;
if(this.masterList.selectedItem!=null) { WindowManager.add(
getDetailComponent(this.masterList.selectedItem.ProductionID), this,
false ); } 
width=100% height=100% top=0 left=0 right=0 
bottom=0
mx:columns
mx:DataGridColumn dataField=ProductionTitle
headerText=Production Title /
mx:DataGridColumn dataField=ProductionType
headerText=Production Type /
mx:DataGridColumn dataField=Description 
headerText=Description
mx:itemRenderer
mx:Component
mx:Label height=100
mx:htmlText
How do i bind 
Description data here?
/mx:htmlText
/mx:Label
/mx:Component
/mx:itemRenderer
/mx:DataGridColumn
/mx:columns
/mx:DataGrid

The data in the Description field is all in HTML, and i want to
display it as rendered HTML rather than plain text.
Thanks again,
David






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Re: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides

I am not clear how what you are talking about relates to the problems
that ted described.

Regards
Hank

On 8/24/06, ryanm [EMAIL PROTECTED] wrote:
  I am sure there are many smart people out there who will
  get WebServices to work well for them with Flex. It is a
  lot of hard work to make this work well and I  have only
  seen one company do it really well. I do not doubt that
  others will make this work reliably but I question its use.
  It will affect performance which is why AMF was created
  in the first place as an optimized data exchange format for
  Flash Player.
 
 I got around this problem by abstraction and preemptively loading data
 that was likely to be loaded. I made up template-like objects that the
 client loaded that describe what makes a page of data, which included all
 of the possible design elements and whatnot. That way, when you actually go
 to load the data, the size of the data going to and from the server was
 minimal (and compressed). And I preloaded large blocks of commonly used data
 and cached them on the client side, keeping it updated by sending an MD5
 hash back to the server-side to be compared to the current data set on a
 regular basis or whenever that data was accessed. For a dial-up user that
 might be a problem, but for a business app it didn't even cause a noticable
 bump in their bandwidth usage. You just have to plan appropriately and do
 thorough use cases, so that you can develop a set of rules that will tell
 you what data is likely to be needed next. All the most common usage paths
 through the app were fast and responsive, and only the really heavy stuff,
 like real time reports that go back over tons of db records and stuff, took
 any noticable time to load. The end result was 100% compatible with either
 an AJAX front end or a Flash front end, the back end didn't know or care
 which it was talking to.

 With appropriate planning and a good architecture, which transport
 method you use is almost irrelevant as long as it is flexible and
 compatible. ;-)

 ryanm



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[flexcoders] Blitz XRay

2006-08-24 Thread Chad Callahan











I was looking at http://osflash.org/xray
for the XRay connector for Flex2 but couldnt find any downloads or links
to it. If anyone knows where to download the connector for Flex2, please email
me a link. 



Thanks






 
  
  
  
  
  CHAD CALLAHAN
  PROGRAMMER
  
 
 
  
  T8DESIGN.COM
  | P 319.266.7574 - x195 | 877.T8IDEAS | F 888.290.4675
  
 



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Re: [flexcoders] Can Flex Data Services Compile on the Fly?

Yes it can compile on the fly. When you install FDS and then create a
new Flex application it will bring up a dialog box that asks if you
want the app to be compiled on the fly.

Regards,
Hank

On 8/24/06, this_is_louie [EMAIL PROTECTED] wrote:
 Hi,

   I'm new to flex and curious about the capabilities of it.  From what
 I understand, Flex 1 was originally a server architecture where it
 would only compile server side.  Now that flex 2 is out, can FDS still
 compile on the fly?  If it can, can you point me in the right direction?

   Thanks and I look forward to your reply.






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[flexcoders] Re: Need drag drop example

2006-08-24 Thread gotgoose09

This link might help you.

http://www.adobe.com/devnet/flex/quickstart/adding_drag_and_drop/
--- In flexcoders@yahoogroups.com, Martina Smith
[EMAIL PROTECTED] wrote:

 Hi,

   I need an example for simple drag  drop operation using only the
displayObject in flex 2.0. 

   Can anyone please share it with me, If you have already done?

   The example can be as simple as flash's startDrag() (starts
dragging)  stopDrag()(stops dragging).

   I have tried using flex 2 help, but the drag operation is not as
smooth as that of flash, and dropping the dragged object is also a
problem in flex.

   Thanks in advance,
   Martina
 
   
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RE: [Junk E-Mail - LOW] [flexcoders] Re: Choice of backend systems - which provides