date:20100518

http://h2g2java.blessedgeek.com/2010/05/vaadin.html
http://h2g2java.blessedgeek.com/2010/05/using-vaadin-with-google-app-engine.html

Vaadin is very attractive and manageable. With Vaadin you do not have
to worry about RPC. You can declare objects and classes and presume
their visibility would spread across the whole web app - whereas, in
pure GWT, you have to propagate objects through RPC. In Vaadin, if the
propagation of the visibility of an object crosses the server-client
line, Vaadin communication takes care of that for you. As long as
those classes implements Serializable.

It is quit difficult to do mash-ups with Vaadin. It does not provide
any means for its client to communicate with a server outside its own
box.

This because the server dictates the behaviour of the client. Vaadin
projects a skeletal client using GWT widgets. Those GWT widgets are
dysfunctional on their own. They need the server to fill themselves up
with behaviour and appearances. So if you want to communicate with
Yahoo or OpenId, you cannot do it thro the client. So if your 3rd
party app requires you to submit a web form with a callback, you have
to send the form thro the server and and have the server process the
callback. This is very bad for OAuth and OpenId, which requires client-
side authentication. I am not aware of any mechanism where server-side
Vaadin would facilitate client-to-3rdparty server authentication. In
fact, does OAuth or OpenId even allows that? You know, authentication
tunnelling. As a browser-user, I should be rather uncomfortable with
authentication tunnelling if that were possible.

A number of Vaadin enthusiasts have projected the idea that it is very
simple to deploy plain old GWT widgets in Vaadin, simply wrapping them
with a Vaadin widgetset, which involves motions on both the client and
the server. Vaadin has a very rich set of widgets so you almost never
need to deploy any plain old GWT widget. If you do, it means that
widget is so complex that you should pay Vaadin to do it for you.

SmartGWT and all the other yucks - they require eyebrow-sweating
precision and skill and their stability toggles like a switch. Or,
even have bait-and-switch mutating open-source licensing. They ever
refuse to behave properly in the presence of GWT. Vaadin is very
stable, dependable and robust.

Vaadin is very maintainable, usable and programmable as long as your
app is a single-self-service application.

I had an application which uses objectify on the GWT servlet. I
attempted to convert it to Vaadin and had to wrap it around a
widgetset. Poof! The line between client and server in Vaadin is so
blur that widgetset compilation asks for the source-code of
javax.persistence to continue compiling the widgetset successfully.

So I find plain old GWT so much more customisable, controllable,
programmable and comprehensive. Once you understand RPC - it's a
breeze. It's an advantage having a clear and hard line drawn between
client and server.  Vaadin's blurring this line is elegant but it
constraints my freedom of movement by having too many constraints.
They do everythng for you and won't allow any loose ends untied for
you to choose your own way of tying your shoelaces.

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Re: OOPHM too slow

Guess what!
I transferred my GWT app to the Vista 64 on the other side of the
dualbooted machine but running 32bit Chrome (no such thing as a 64bit
chrome currently), which requires a 32 bit jvm to run oophm. The GWT
compilation was a breeze, comparatively. Wow 20 seconds versus 5 - 10
minutes on the same quad core system!?

Then I read, there is some extraneous statement sticking around 64 bit
oophm making it wait for a long time (waiting for what I cannot
remember).

Why is it so easy to have that extraneous statement removed in 32
bit oophm but not in the 64 bit? I am thinking very hard that nobody
probably would bother to answer this question. In the mean time, I'll
try to debugging the app on 32bit Firefox on a 64bit ubuntu.

I am reading people doing all sorts of acrobatics to get this
extraneous statement removed by rebuilding the 64 bit oophm
themselves from scratch. (Yet I could not find anyone who has
successfully rebuilt 64bit oomph kind enough to share it online so
that lazy people like me won't have to do it myself). I am not about
to waste my time on such acrobatics. Just debug on 32 bit browser is
fine with me.

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Re: Classname table in generated JS

2010-05-18 Thread mmoossen

well i was getting more into this issue, and i figured out the the
whole string table is 180Kb and most of it is just needed.
using the -XdisableClassMetada flag reduced the code by 35Kb, ie still
like 8% of the whole project.
additionally the -XdisableCastChecking flag reduced the code by 8Kb
more, so at the end i am saving 10%!!

the things i thought was a css class name lookup table was just a list
of (mostly obfuscated) class names, i just got confused by the
external class names.

 My point was that this particular feature is a
 performance issue and in no way a security issue.
sure, i understand, still to carry 40Kb+ of data for nothing is not
good...

thanks
Michael


On May 17, 10:26 pm, Sripathi Krishnan sripathi.krish...@gmail.com
wrote:
  ... it is 100% server-side where to use reflection is ok.

 Correct. I was only trying to say its worthless to think of obfuscation as a
 security measure, because there are several ways to bypass it, syncproxy
 being one of them. My point was that this particular feature is a
 performance issue and in no way a security issue.

 --Sri

 On 18 May 2010 01:35, mmoossen mmoos...@gmail.com wrote:



  Hi again!

  btw, i checked the synproxy project, which looks interesting but as i
  understood it is 100% server-side where to use reflection is ok.

  thanks for sharing
  Michael

  On May 17, 4:09 pm, Sripathi Krishnan sripathi.krish...@gmail.com
  wrote:
Could somebody please explain to me why this is needed?

   AFAIK, this wasn't always the case. Issue
   370http://code.google.com/p/google-web-toolkit/issues/detail?id=370
   has
   some information on why this was introduced. The class name are required
  so
   that you can use the getClass() method on an object.

   As Olivier pointed out, there is a way to disable this behavior. All
  google
   websites I have seen disable class names. You can take a look at orkut or
   wave for example. I believe it isn't being done by default because it
  could
   break some websites that depend on classnames. If you don't depend on
   getClass(), then you could benefit from the optimization that
   -XdisableClassMetada provides.

   That said, there are other ways to extract out information about classes
  and
   methods. For example, it is possible to extract the complete signature of
  a
   RPC method and reverse engineer the RemoteService interface, such that
  you
   can use a library like
   syncproxy
 http://www.gdevelop.com/w/blog/2010/01/10/testing-gwt-rpc-services/to
   make RPC calls to any server. So,  treat
   -XdisableClassMetada as a way to improve performance, and not as a way to
   completely obfuscate all class and method names.

   --Sri

   On 17 May 2010 18:15, Olivier Monaco olivier.mon...@free.fr wrote:

Hi,

Maybe it's about this :
   http://code.google.com/p/google-web-toolkit/wiki/NoClassMetadataOptim.
  ..

Olivier

On 17 mai, 12:18, mmoossen mmoos...@gmail.com wrote:
 Dear all!

 i just found this:http://degwt.googlecode.com

 and i was really surprised to actually find a classname table in the
 generated production js code.

 i know that the rpc classes and methods are used (which i do not like
 very much, but that is another story).

 but i do not see any need for a general classname table, i mean every
 single class even enums are listed there.
 additionally there seems to be also a kind of lookup table for style
 names!!?

 could somebody please explain to me why this is needed?

 i mean all this data is taking about 180Kb of 500Kb of my production
 cache files, and i would really like to know what is the idea behind
 that...

 Thanks
 Michael

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Re: JPA + HIBERNATE+SPRING+GWT

2010-05-18 Thread soma Gurram

I believe by default there are performence implications by using
Gilead, and i am not too sure how reliable Gilead is. So i am stuck
and finding it difficult to make a call.

Thanks
Soma G

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Re: JPA + HIBERNATE+SPRING+GWT

2010-05-18 Thread Frederic Conrotte

From DTO, Dozer to Gilead you have the choice:
http://code.google.com/webtoolkit/articles/using_gwt_with_hibernate.html

You can also use you own filter as described in the  book Pro Web 2.0
Application Development with GWT :
http://code.google.com/p/tocollege-net/source/browse/ProGWT/trunk/src/main/java/com/apress/progwt/server/gwt/HibernateFilter.java

On May 18, 9:34 am, soma Gurram ssgur...@gmail.com wrote:
 I believe by default there are performence implications by using
 Gilead, and i am not too sure how reliable Gilead is. So i am stuck
 and finding it difficult to make a call.

 Thanks
 Soma G

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accents problem

2010-05-18 Thread laurent

I've a problem when i try to print accents.My application parse a csv
file with the persons(first-lastName).Some having like
Véronique,Benoît,...
With Eclipse, doing click-droit, 'properties', 'Resources', i change
to iso-8859-1.It's the same for firefox but never doing. I've a
printing with a question mark inside a little square.

Thanks for your request

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Re: Loading text alongside image inside a ComboBox

2010-05-18 Thread mram

Yes, this it's easy to do it. Just use the Smart GWT library. See an
example of having a Combobox with an image inside of it:
  http://www.smartclient.com/smartgwt/showcase/#multi_select_combobox_category



On 17 mayo, 20:44, fomba collins fomba_coll...@yahoo.com wrote:
 Hello, it may be simple but I don´t know how to do it. I want to put the 
 names of countries alongside their flags inside a ComboBox. Can someone help 
 me on how to do it?
 reggards

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DialogBox glass panel incorrectly scrolls in Chrome (with fixed position HTML header)

2010-05-18 Thread ChrisK

I'm using GWT 2.0.3 and the latest dev Chrome (v6). I have a site with
a piece of header HTML set to position:fixed but with the main body
scrolling. The scroll bar is down the whole site, not just the body -
the body scrolls underneath the header part. When I create a DialogBox
with glassEnabled=true, if I scroll the base of the glass panel is
exposed as the panel is not resized/redrawn correctly. The same code
works fine in FF3.6, IE7 and IE8.

Any ideas? I don't want to change the layout of the site at all. Is
this just a GWT bug?

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Want explaination for MapWidget.addMapZoomEndHandler

2010-05-18 Thread xia

In the reference it says This event is fired when a map type is added
to the map.?

What does that mean? Can I just say the event will be fired when the
Zoom action ends?

also want a confirmation for MapWidget.addMapMoveEndHandler. The
reference says This event is fired when the change of the map view
ends. . This means either move or zoom will trigger the event?

thanks, Xia Weizhong

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Translated Google Web Toolkit 2.0 New Features in Russian

2010-05-18 Thread GoCha

Published translation of the document Google Web Toolkit 2.0 New
Features on the Russian language at http://gocha.org/drupal/?q=node/120.
The translation is close to the original as possible, waiting for your
comments.

Thanks. Kamnev Georgiy.

Опубликован перевод документа Google Web Toolkit 2.0 Новые
возможности на русский язык по адресу http://gocha.org/drupal/?q=node/120.
Перевод был приближен к оригиналу, на сколько это возможно, жду ваших
комментариев.

Спасибо! Камнев Георгий.

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Re: accents problem

2010-05-18 Thread Matt

Hi,

with your problem description being a bit vague, there are a few
points where you might be going wrong:

1) The encoding of the file you're reading - you said you changed it
to iso-8859-1, which might be fine - you can check if it displays
correctly in e.g. Eclipse. However, when working with GWT I would
suggest always working with UTF-8 if possible to avoid most encoding
problems

2) I guess you're reading the file on the server. It will quite
probably run using UTF-8 as default encoding, which you can check e.g.
with System.getProperty(file.encoding). The encoding when reading
the file needs to match the encoding of the file itself, you can
specify that in your InputStreamReader's (or however you read the
file) constructor.

3) The encoding of data coming from the server needs to match the
content-type meta tag in your app's HTML page

Hth,
Matt

On 18 Mai, 10:46, laurent bagno_laur...@hotmail.com wrote:
 I've a problem when i try to print accents.My application parse a csv
 file with the persons(first-lastName).Some having like
 Véronique,Benoît,...
 With Eclipse, doing click-droit, 'properties', 'Resources', i change
 to iso-8859-1.It's the same for firefox but never doing. I've a
 printing with a question mark inside a little square.

 Thanks for your request

 --
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Re: Want explaination for MapWidget.addMapZoomEndHandler

2010-05-18 Thread Eric Ayers

On Tue, May 18, 2010 at 5:17 AM, xia xwz7...@gmail.com wrote:

In the reference it says This event is fired when a map type is added
to the map.?

What does that mean? Can I just say the event will be fired when the
Zoom action ends?

Oops, sorry, that is a typo.

also want a confirmation for MapWidget.addMapMoveEndHandler. The
reference says This event is fired when the change of the map view
ends. . This means either move or zoom will trigger the event?

Judging from posts on the Google Maps API group, there are many situations
that can cause the moveend() event to fire. Here's one post:

https://groups.google.com/group/google-maps-api/browse_thread/thread/fa4f97e0399f9432/829ca0d7b7509ed8?lnk=gstq=moveend#829ca0d7b7509ed8

These GWT bindings simply wrap the behavior of the Maps JavaScript API, so
for more details on this subject, I'd look on that group (just be careful to
follow the posting guidelines!)
https://groups.google.com/group/google-maps-api/browse_thread/thread/fa4f97e0399f9432/829ca0d7b7509ed8?lnk=gstq=moveend#829ca0d7b7509ed8

thanks, Xia Weizhong

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Google Web Toolkit, Atlanta, GA USA

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Re: GWT Compiler 2.0 Changes

2010-05-18 Thread Adam

I really hope someone can shed some light on the issue I'm having.
I've run the compile step in debug mode and able getting the following
output.  I gather that GWT is including the IdentityHashMap,
LinkedHashMap, HashMap, and TreeMap because of the MapString,
String define of the field scores.  What I don't understand is why
Googles own GWT classes are listed in error for being serializable.

Any thoughts, or suggestions would be greatly appreciated.

 [java]   private
java.util.Mapjava.lang.String, java.lang.String scores
 [java]
java.util.Mapjava.lang.String, java.lang.String
 [java] Finding
possibly instantiable subtypes
 [java]
java.util.IdentityHashMapK, V might be instantiable
 [java]
java.util.LinkedHashMapK, V might be instantiable
 [java]
java.util.HashMapK, V might be instantiable
 [java]
java.util.TreeMapK, V might be instantiable
 [java] Verifying
instantiability
 [java]
java.util.IdentityHashMapjava.lang.String, java.lang.String
 [java]
Checking parameters of 'java.util.IdentityHashMapjava.lang.String,
java.lang.String'
 [java]
Checking type argument 0 of type 'java.util.IdentityHashMapK, V'
because it is directly exposed in this type or in one of its subtypes
 [java]
Ignoring type argument 1 of type 'java.util.IdentityHashMapK, V'
because it is not exposed in this or any subtype
 [java]
Analyzing the fields of type
'java.util.IdentityHashMapjava.lang.String, java.lang.String' that
qualify for serialization
 [java]
private K exposeKey
 [java]
private K exposeValue
 [java]   Is
instantiable
 [java]
java.util.LinkedHashMapjava.lang.String, java.lang.String
 [java]
Checking parameters of 'java.util.LinkedHashMapjava.lang.String,
java.lang.String'
 [java]
Checking type argument 0 of type 'java.util.LinkedHashMapK, V'
because it is directly exposed in this type or in one of its subtypes
 [java]
Checking type argument 1 of type 'java.util.LinkedHashMapK, V'
because it is directly exposed in this type or in one of its subtypes
 [java]
Checking parameters of 'java.util.HashMapjava.lang.String,
java.lang.String'
 [java]
Checking type argument 0 of type 'java.util.HashMapK, V' because it
is directly exposed in this type or in one of its subtypes
 [java]
Checking type argument 1 of type 'java.util.HashMapK, V' because it
is directly exposed in this type or in one of its subtypes
 [java]
Analyzing the fields of type 'java.util.HashMapjava.lang.String,
java.lang.String' that qualify for serialization
 [java]
private K exposeKey
 [java]
private V exposeValue
 [java]
Analyzing the fields of type
'java.util.LinkedHashMapjava.lang.String, java.lang.String' that
qualify for serialization
 [java]   Is
instantiable
 [java]
java.util.HashMapjava.lang.String, java.lang.String
 [java]
Checking parameters of 'java.util.HashMapjava.lang.String,
java.lang.String'
 [java]
Checking type argument 0 of type 'java.util.HashMapK, V' because it
is directly exposed in this type or in one of its subtypes
 [java]
Checking type argument 1 of type 'java.util.HashMapK, V' because it
is directly exposed in this type or in one of its subtypes
 [java]
Analyzing the fields of type 'java.util.HashMapjava.lang.String,
java.lang.String' that qualify for serialization
 [java]
private K exposeKey
 [java]
private V exposeValue
 [java]   Is
instantiable
 [java]
java.util.TreeMapjava.lang.String, java.lang.String
 [java]
Checking parameters of 'java.util.TreeMapjava.lang.String,
java.lang.String'
 [java]
Checking type argument 0 of type 'java.util.TreeMapK, V' because it
is directly exposed in this type or in one of its subtypes
 [java]
Checking type argument 1 of type 'java.util.TreeMapK, V' because it
is directly exposed in this type or in one of its subtypes
 [java]
Analyzing the fields of type 'java.util.TreeMapjava.lang.String,
java.lang.String' that qualify for serialization
 [java]
private java.util.Comparator? super K cmp
 [java]
private K exposeKeyType
 [java]
private V exposeValueType
 [java]
private int size
 [java]   Is
instantiable
 [java]   private
java.util.Mapjava.lang.Long, java.lang.String statuses
 [java]   private boolean
isProgressiveOrder
 [java]   private boolean
isPrintCard
 [java]   private boolean
isScoring
 [java]   private boolean
isReseller
 [java]

[ANN] Smart GWT 2.2 Released

2010-05-18 Thread Sanjiv Jivan

Hi,
Smart GWT 2.2 has just been released.

Release Announcement :
http://www.jroller.com/sjivan/entry/smart_gwt_2_2_released
Download : http://code.google.com/p/smartgwt/downloads/list
Showcase Demo : http://www.smartclient.com/smartgwt/showcase/

The key features of this release are :

* Selenium Support
* Support for the prototype pattern to set global defaults without creating
a separate hierarchy of subclasses
  This is explained in more detail in the release announcement
* DateRangeItem, MiniDateRangeItem and Relative Date support for DynamicForm
* Dropdown multi-selects
* Javadoc enhancements : Over 200 API's have an overview and relevant
Showcase sample in the @see link of the API docs
* Numerous other fixes and enhancements. The complete release notes can be
found here : herehttp://www.smartclient.com/smartgwt/release_notes.html#2_2
* Several new Showcase samples

Suggestions and feedback welcome.

Thanks,
Sanjiv

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Re: GWT Compiler 2.0 Changes



On 18 mai, 14:26, Adam ambr...@gmail.com wrote:
 I really hope someone can shed some light on the issue I'm having.
 I've run the compile step in debug mode and able getting the following
 output.  I gather that GWT is including the IdentityHashMap,
 LinkedHashMap, HashMap, and TreeMap because of the MapString,
 String define of the field scores.  What I don't understand is why
 Googles own GWT classes are listed in error for being serializable.

See http://code.google.com/p/google-web-toolkit/issues/detail?id=4438

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Remote storage of preferences in the cloud

2010-05-18 Thread David Given

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

I have a server-less (client-side code only) app for which I want to
store a few user preferences: total data is a few hundred bytes.

Right now I'm storing these in cookies, which works fine, but of course
don't work if the user runs my app from a different computer.

I could add remote storage of preferences by adding a server backend,
implementing a login system, user management, etc etc but I really don't
want to do that.

Are there any existing cloud services that would me to store this data
in the account the user already has with, for example, Google Docs? I
see that Docs has an API, but it's HTTP-based and so is going to be
difficult to use from GWT. What else can I look at?

- -- 
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│
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Adding CSS style dynamically

2010-05-18 Thread Lex

Hello.

I have some odd situation where I need to add the style attributes
dynamically/programmatically depending on what the saved data is.

In short, instead of defining the css style definitions in the file
and reference them, I need to create those per Widget, depending on
the data.

I tried to use DOM.setElementProperty, but it doesn't seem to work
properly. It doesn't set the background or the foreground, and the
absolute positioning also gets screwed up.

Can anyone share your tips/insights on how I can achieve this?

private void setStyle(Element dom, ScreenElement e) {
DOM.setElementProperty(dom, position, absolute);
DOM.setElementProperty(dom, top, e.getYpos() + px);
DOM.setElementProperty(dom, left, e.getXpos() + px);
DOM.setElementProperty(dom, height, e.getHeight() + px);
DOM.setElementProperty(dom, width, e.getWidth() + px);
DOM.setElementProperty(dom, fontSize, e.getFontSize() + pt);
DOM.setElementProperty(dom, fontFamily, e.getFontFamily());
DOM.setElementProperty(dom, backgroundColor, 
e.getBackColor());
DOM.setElementProperty(dom, color, e.getForeColor());

if (e.isFontStyleUnderline()) {
DOM.setElementProperty(dom, textDecoration, 
underlined);
}
else {
DOM.setElementProperty(dom, textDecoration, normal);
}
if (e.isFontStyleItalic()) {
DOM.setElementProperty(dom, fontStyle, italic);
}
else {
DOM.setElementProperty(dom, fontStyle, normal);
}
if (e.isFontStyleBold()) {
DOM.setElementProperty(dom, fontWeight, bold);
}
else {
DOM.setElementProperty(dom, fontWeight, normal);
}
}

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flextable resize

2010-05-18 Thread laurent

hello,

Is it possible to modify the columns size of a flextable with my
mouse?

thanks

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Re: Loading text alongside image inside a ComboBox

2010-05-18 Thread Stefan Bachert

Hi,

gwt core does not support a widget called combobox.
It supports a widget called listbox which looks like combobox.
the base for a html based combobox-like widget is select. The items
itself are option
You can give the option additional content aka an image using css.
However, the gwt listbox api does not give you access to the option
items.

Maybe you build a select/option structure with ui-binder and assign it
to gwt listbox

you could use a widget library supporting a combobox like widget.
However, I would disadvice from javascript libraries which are just
wrappers (like smartGWT).

When you like to use a real gwt widget library you may consider GWT
mosaic.

Stefan Bachert
http://gwtworld.de

On 17 Mai, 14:44, fomba collins fomba_coll...@yahoo.com wrote:
 Hello, it may be simple but I don´t know how to do it. I want to put the 
 names of countries alongside their flags inside a ComboBox. Can someone help 
 me on how to do it?
 reggards

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Re: Loading text alongside image inside a ComboBox

2010-05-18 Thread fomba collins

I'm actually using the javascript wrapper EXT Gwt. There there is a comboBox 
widget. But it would appear it does not support images inside a comboBox. I 
understand that Ext issues are to be discussed on this forum. Just excuss 
me!!   
   
   

--- On Tue, 5/18/10, Stefan Bachert stefanbach...@yahoo.de wrote:


From: Stefan Bachert stefanbach...@yahoo.de
Subject: Re: Loading text alongside image inside a ComboBox
To: Google Web Toolkit google-web-toolkit@googlegroups.com
Date: Tuesday, May 18, 2010, 7:26 AM


Hi,

gwt core does not support a widget called combobox.
It supports a widget called listbox which looks like combobox.
the base for a html based combobox-like widget is select. The items
itself are option
You can give the option additional content aka an image using css.
However, the gwt listbox api does not give you access to the option
items.

Maybe you build a select/option structure with ui-binder and assign it
to gwt listbox

you could use a widget library supporting a combobox like widget.
However, I would disadvice from javascript libraries which are just
wrappers (like smartGWT).

When you like to use a real gwt widget library you may consider GWT
mosaic.

Stefan Bachert
http://gwtworld.de

On 17 Mai, 14:44, fomba collins fomba_coll...@yahoo.com wrote:
 Hello, it may be simple but I don´t know how to do it. I want to put the 
 names of countries alongside their flags inside a ComboBox. Can someone help 
 me on how to do it?
 reggards

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Using HashCodeBuilder and EqualsBuilder (Apache Commons) with GWT

2010-05-18 Thread Daniel

For anyone interested in using Apache Commons Lang's HashCodeBuilder
and EqualsBuilder in a GWT project, there is now an open source, GWT-
friendly implementation available at http://gwt-hashcode-equals.googlecode.com
.

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Cannot read property 'DataTable' of undefined

2010-05-18 Thread gabe

Hi I am trying to use the visualization toolkit along with gwt and I
am having the following error


com.google.gwt.core.client.JavaScriptException: (TypeError): Cannot
read property 'DataTable' of undefined

I have inherited the module and also loaded the module by calling

VisualizationUtils.loadVisualizationApi(onLoadCallback,
LineChart.PACKAGE);


I was wondering why I could be getting this error,

thanks

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Re: TabLayoutPanel with scroll buttons

2010-05-18 Thread rkvaja

I'm trying to use this with UIBinder but getting issues telling me
that I am missing required attributes barUnit, barHeight etc. Has
anybody got this working with UIBinder?

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StackLayoutPanel, insert new items

2010-05-18 Thread Manic Friday

When I am using StackLayoutPanel in GWT2.0.3 I get serious troubles
when using insert method to add new items to a StackLayoutPanel. After
inserting a new item, the item is not inserted on the place I
proposed, but it will be added instead. Additional after inserting a
new item the clickHandler seems also to be confused, as a different
item is displayed, when I click on a header.

Has anyone else expirienced this? I raised issue 4926 for this, just
in case ;)

Cheers,
Manic

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Re: About Date object in GWT

2010-05-18 Thread euzuro

Apologies if this message is duplicated... I thought I sent it earlier
this morning but it seems to have not gone through for some reason

If you look at the code in the com.google.gwt.user.datepicker.client
package, you'll see that the gwt developers themselves
use these deprecated Date methods throughout their code.

They suppress the warnings using:
@SuppressWarnings(/* Required to use Date API in gwt */
{deprecation})

which to me is a green light to use it yourself if I've ever seen
one.

I think the idea is that since the gwt implementation of
java.util.Date is based on the
JavaScript Date object, it actually is OK to use them.

Of course, you still have to be wary of timezones:

Date today = new Date();
Window.alert(today.getHour());

...will output different values in Tokio than in Chicago.

On May 17, 1:57 am, aditya sanas 007aditya.b...@gmail.com wrote:
Ignore deprecation warning
u have only one option on client side i.e. Date() object from java.util
so user getYear(),getMonth() etc. methods for getting hrs minutes secs and
year
--
Aditya

On Mon, May 17, 2010 at 12:20 PM, Sabbir leo.sh...@gmail.com wrote:
and how about reading the years, months, day, hour, minutes and
seconds from the date object?

On May 15, 6:13 am, Sabbir leo.sh...@gmail.com wrote:
the methods inDateobjecat as getTime, getHour, etc are deprecated
ones.
And in GWT calendarobjectis not allowed.

so how do set thedateobjectin GWT???

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return type image from server

2010-05-18 Thread Yariv

Hi,

i'm trying to return an image (com.google.gwt.user.client.ui.Image)
from the gwt server, of course i cannot since it is not a serializable
object.
this image is fetched from a URL, but i cannot fetch it directly from
the client since this image needs to be registered in the session of
the GWT-server - image servlet, if i fetch it from the client it will
be registered in the client session with the image servlet.
is there a way to transfer the image from the server back to the
client (by converting to byte array and back maybe)?
thanks

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Re: About Date object in GWT

2010-05-18 Thread euzuro

If you look at the files in the com.google.gwt.user.datepicker.client
package[1],
you can take a tip from the google guys themselves -- they use all
these
deprecated java.util.Date functions all over the place.

Each method that uses them they prefix with:
@SuppressWarnings(/* Required to use Date API in gwt */
{deprecation})

to avoid the deprecation warnings.

There was a thread somewhere where one of the actual gwt team members
commented on this. If I remember correctly, the basic point was that
the
gwt implementation of java.util.Date is based on the JavaScript Date
object,
and so using those methods is OK.

the one thing you have to be careful of is timezone sensitivity.

Date today = new Date();
Window.alert(today.getHour());

...for example, will be different in Frankfurt than in New York

[1]
http://google-web-toolkit.googlecode.com/svn/trunk/user/src/com/google/gwt/user/datepicker/client/

On Mon, May 17, 2010 at 12:20 PM, Sabbir leo.sh...@gmail.com wrote:
and how about reading the years, months, day, hour, minutes and
seconds from the date object?

On May 15, 6:13 am, Sabbir leo.sh...@gmail.com wrote:
the methods inDateobjecat as getTime, getHour, etc are deprecated
ones.
And in GWT calendarobjectis not allowed.

so how do set thedateobjectin GWT???

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HTTP GET changed to OPTIONS

2010-05-18 Thread Seven Corners

I'm finding a strange situation where an HTTP GET gets changed to
OPTIONS, and I receive nothing from my GET.  I'm working on an
application where I'll be working with various CRUD operations via
REST calls to my local server.  Right now I'm just writing the GET and
finding that my response has no data and a status of 0.  I learn from
the log that the GET has been changed to HTTP OPTIONS.  Any clue why,
and what I can do to fix it?  I think what I need to do is a common
and straightforward thing; surely other people have run into this?

This is my code:

public class RESTClient
{
public static void doGET(String strLoginName, String strLoginPassword,
String strURL, RequestCallback callback) throws RequestException
{
RequestBuilder builder = new RequestBuilder(RequestBuilder.GET,
URL.encode(strURL));
// Authorization:auth-type=mii-basic,login-name=root,login-
password=root
builder.setHeader(Authorization, 
auth-type=\mii-basic\,login-
name=\ + strLoginName +\,login-password=\+strLoginPassword +
\);
builder.setTimeoutMillis(2000);
builder.sendRequest(null, callback);
}
}

It's invoked from my main class thus:

private final String m_kstrJSONAcctURL = http://127.0.0.1:8080/v1/
authsrvc/accounts/myAccount.json;
...

RESTClient.doGET(root, root, m_kstrJSONAcctURL, new
RequestCallback()
{
public void onError(Request request, Throwable 
exception)
{
...
// We never get here
}

public void onResponseReceived(Request request, 
Response
response)
{
// Here we find our response
status is 0
}
});

So note that we're running with two different ports.  The REST service
uses Jetty and is on port 8080, while my caller uses the debugger's
Apache and is on port .  Any ideas?

Thanks.

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Get file on server with a pattern

2010-05-18 Thread Lorris

Hello,

I'd like to know if it's possible with GWT to get files on server but
without known their names but with a pattern (like menus*.xml for
example).

I did this with success but that need to know the file name to get

RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET,
fileName.xml);
try {
requestBuilder.sendRequest(null, new RequestCallback() {
public void onError(final Request request, final
Throwable exception) {
}

public void onResponseReceived(final Request request,
final Response response) {
String text = response.getText();
//Do anything
}
});
} catch (RequestException ex) {
}


But i don't know if I can get all the files matching to my pattern or
maybe get the list of file name and test my pattern for each of them.

Thank you for your time. (and sorry for my english)

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Re: accents problem

2010-05-18 Thread Marcos Vinícius Soares

You will have to do some kind of conversion using table below before using
any text with accentuation.

á = \u00e1
à = \u00e0
â = \u00e2
ã = \u00e3
ä = \u00e4
Á = \u00c1
À = \u00c0
Â = \u00c2
Ã = \u00c3
Ä = \u00c4
é = \u00e9
è = \u00e8
ê = \u00ea
ê = \u00ea
É = \u00c9
È = \u00c8
Ê = \u00ca
Ë = \u00cb
í = \u00ed
ì = \u00ec
î = \u00ee
ï = \u00ef
Í = \u00cd
Ì = \u00cc
Î = \u00ce
Ï = \u00cf
ó = \u00f3
ò = \u00f2
ô = \u00f4
õ = \u00f5
ö = \u00f6
Ó = \u00d3
Ò = \u00d2
Ô = \u00d4
Õ = \u00d5
Ö = \u00d6
ú = \u00fa
ù = \u00f9
û = \u00fb
ü = \u00fc
Ú = \u00da
Ù = \u00d9
Û = \u00db
ç = \u00e7
Ç = \u00c7
ñ = \u00f1
Ñ = \u00d1
 = \u0026
' = \u0027

Hope this helps.

* Taken from
http://programandosemcafeina.blogspot.com/2007/04/caracteres-especiais-representados-em.html

On Tue, May 18, 2010 at 7:40 AM, Matt mydevmailingli...@gmail.com wrote:

 Hi,

 with your problem description being a bit vague, there are a few
 points where you might be going wrong:

 1) The encoding of the file you're reading - you said you changed it
 to iso-8859-1, which might be fine - you can check if it displays
 correctly in e.g. Eclipse. However, when working with GWT I would
 suggest always working with UTF-8 if possible to avoid most encoding
 problems

 2) I guess you're reading the file on the server. It will quite
 probably run using UTF-8 as default encoding, which you can check e.g.
 with System.getProperty(file.encoding). The encoding when reading
 the file needs to match the encoding of the file itself, you can
 specify that in your InputStreamReader's (or however you read the
 file) constructor.

 3) The encoding of data coming from the server needs to match the
 content-type meta tag in your app's HTML page

 Hth,
 Matt

 On 18 Mai, 10:46, laurent bagno_laur...@hotmail.com wrote:
  I've a problem when i try to print accents.My application parse a csv
  file with the persons(first-lastName).Some having like
  Véronique,Benoît,...
  With Eclipse, doing click-droit, 'properties', 'Resources', i change
  to iso-8859-1.It's the same for firefox but never doing. I've a
  printing with a question mark inside a little square.
 
  Thanks for your request
 
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Integrating GWT with an Existing Spring/Hibernate Web Application

2010-05-18 Thread Harry

Hi all,

After a basic evaluation and successfully building a simple prototype
with a GWT/Spring/Hibernate ,
I am considering integrating GWT with an existing Spring/Hibernate Web
Application.

The existing web application is a fairly large enterprise application
that is built on top of a Spring/Hibernate stack.
The motivation of integrating GWT to this web application is to
provide a rich UI while at the same time leveraging
on the functionalities that we already have within the existing
application.

I would like to hear experiences of those of you out there who has
tried integrate GWT to an existing large Java
web application. What were your experiences and whether there were any
major issues?

Thanks in advance.

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gwt + php + mysql = confusion?

2010-05-18 Thread dino

Every time I learn something new I want to make as much applications
as possible just to test myself and become a bit more experienced.
I want to make a simple flex table binded to a database via php. I
have already a php script reading my whole database and parsing it
into json format. The flex table is filled with editable text boxes
and as you type it sends the changes to the php scripts and updates
the database.

But because everything is asynchronous in gwt I have a change that the
instruction to update the database filed name to jan arrives sooner
then the instruction to make it ja so that fields get as value ja
instead of jan with I want to achieve.

Can somebody help me out with this? I would also appreciate some tips
to make an application like this.(my native language isn't English so
I am sorry if this is practically filled with spelling mistakes the
spelchecker didn't corrected)

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Re: JSNI - uncaught exception: java.lang.ClassCastException - What am I doing wrong?

2010-05-18 Thread Bogdan Tanase

Nevermind. Solved it :)

It was described in the
FAQhttp://code.google.com/webtoolkit/doc/1.6/FAQ_Client.html#Why_doesn't_the_bridge_call_to_my_JSNI_method_work_in_onclick
.

On Tue, May 18, 2010 at 9:30 AM, bftanase bftan...@gmail.com wrote:

 Hey guys. Can someone take a look at this small PoC and let me know
 what am I doing wrong?

 package org.makita.receivinginspection.client;

 import com.google.gwt.core.client.EntryPoint;
 import com.google.gwt.user.client.ui.HTML;
 import com.google.gwt.user.client.ui.RootPanel;

 public class MainEntryPointTest implements EntryPoint{

  public void onModuleLoad() {
createJSFunction();
HTML html = new HTML(a href='#' onclick='editTest(1)' Click me
 /a);
RootPanel.get().add(html);
  }

  public void openEditWindow(int testId){
com.google.gwt.user.client.Window.alert(Test id:  + testId);
  }

  public native void createJSFunction()/*-{
$wnd.editTest = function(testId){

 th...@org.makita.receivinginspection.client.mainentrypointtest
 ::openEditWindow(I)
 (testId);
  return false;
   }
  }-*/;

 I get a JS error: uncaught exception: java.lang.ClassCastException. I
 believe it has something to do with some cast... but where? I also
 tried the openEditWindow method without parameters and still the same :
 (

 Thanks!

 }



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GWT Compilation Issue

2010-05-18 Thread Muhammad Zeeshan

Hi, I am facing problem while GWT compilation. I am using ANT build
file in which i run 'build' target. when execution comes to 'gwtc'
target the compilation sometimes stop or somtime it compiles
successfully. Can anyone please tell me what i am doing wrong ? I am
using GWT2.0

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internationalization questions

2010-05-18 Thread Joschua

(I just send this a second time, because I have the feeling, that
Google Groups don't send my first message)

Hello guys, there are three (open) questions about the
internationalization of GWT, I have:

1) Is it a (huge) performance issue, to use only Messages for
constant and parameterized text, where usually would use both
Messages and Constants?

2) Is there a way to specify the original text in the source code,
whose translations can then be specified somewhere? (e.g.
Translate(Hello) in the source code and than in a properties file
for e.g. spanish: Hello = ¡Hola!)

3) Do you know any translation-tools, which generate the properties
and interfaces for you?

Thanks in Advance!

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Get file on server with name template.

2010-05-18 Thread Lorris

Hi,

I'm trying to get many files from the server but the problem is I
don't know their name, the only thing I know is the template of their
name (menus.*.xml).

I build a requestbuilder to get a file but this method needs the
really name of the file.

So i am searching a way to get file matching with my pattern or just
get the list of name file on server to compare with my pattern.

I hope you understand my problem.

Thank you.

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How to parametrize in selenium RC using java script?

2010-05-18 Thread JITENDER

Hi,

I am struggling with parametrization problem. Actually, we r using
selenium RC and generate the script in java. We want to parametrize
the 'Login' functionality having input 'Username' and 'Password'. Can
u please help me, as i stuck here for last two days?

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GWT IE Bug affecting RichTextArea, TextBox, etc.

2010-05-18 Thread Brett S.

Hello,

I am at a loss that I can only reproduce with IE8 (both XP and Win7).
I would greatly appreciate any assistance.

I have a GWT 2.0 application that has several DialogBoxes containing
text boxes, buttons, etc.  Everything works fine in Firefox, Chrome,
etc.

In one DialogBox, I have a TabPanel with three Tabpanels.  One of the
tabs has a RichTextArea.  The first time I edit text in the TextAreas,
everything is fine.  The second or third time, the text area locks
up.  The TextArea takes no focus and does not allow editing.  Buttons
still work.  I can close my DialogBox and open a completely unrelated
DialogBox with a simple TextBox. This TextBox suddenly does not work
either.  Once the application goes into the no focus, no edit state
for Text Entry Widgets, there is no return. No Text Controls work.
Buttons, Menus, popup windows work fine though.

In Dev and Production mode, no errors or exceptions are being
thrown.

I read in some older postings (2008) that TabPanels have trouble
containing TextAreas.  So, I removed the TextAreas from the TabPanel.
The problem was not fixed by not having TextAreas in Tab Panels.

My hope is that someone out there has experienced this problem. Please
let me know if any workarounds exist.

Thank you!

Brett












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Programmatically set meta tag in GWT

2010-05-18 Thread YuanYuan

Hi,

I have been digging around for an answer on this but cannot find a
solution.  I basically want to set the some http-equiv attribute in a
meta tag to some value based on the user's browser agent.  Since it is
a conditional thing, I cannot do it statically in the entry html
file.  I assume I can do that somehow in the EntryPoint class, but I
just don't know how.  GWT has a MetaElement class, which has a
setHttpEquiv function.  So I assume this is possible somehow, but I
cannot figure out how I can get to the MetaElement in the first
place.

Any help will be really appreciated.  Thank you!

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Question about servlets and concurrency

2010-05-18 Thread pianista

I'm developing a multiplayer game with GWT.

The question is in my servletImpl, what happens when more than one
user try to use it?

I think, that servletImpl locks until the first user action finish,
and then execute the second user action.

My idea is to put one servlet for each table of the game, how can I
perform this on gwt?

Excuse for my english.

Estoy desarrollando un juego en GWT.
La cuestión es, la implementación del servlet, se estará ejecutando
una sola vez en el servidor, por lo tanto, se bloqueará cuando alguien
haga una llamada, hasta que esta finalice, debería crear un servlet
por cada mesa de juego por ejemplo?

Y en lo que seria el portal donde estan las diferentes mesas a
escoger, etc, poner un servlet por cada usuario que se me conecte?

Saludos y gracias

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JSNI - uncaught exception: java.lang.ClassCastException - What am I doing wrong?

2010-05-18 Thread bftanase

Hey guys. Can someone take a look at this small PoC and let me know
what am I doing wrong?

package org.makita.receivinginspection.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.RootPanel;

public class MainEntryPointTest implements EntryPoint{

  public void onModuleLoad() {
createJSFunction();
HTML html = new HTML(a href='#' onclick='editTest(1)' Click me
/a);
RootPanel.get().add(html);
  }

  public void openEditWindow(int testId){
com.google.gwt.user.client.Window.alert(Test id:  + testId);
  }

  public native void createJSFunction()/*-{
$wnd.editTest = function(testId){
 
th...@org.makita.receivinginspection.client.mainentrypointtest::openEditWindow(I)
(testId);
  return false;
   }
  }-*/;

I get a JS error: uncaught exception: java.lang.ClassCastException. I
believe it has something to do with some cast... but where? I also
tried the openEditWindow method without parameters and still the same :
(

Thanks!

}

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internationalization

2010-05-18 Thread Joschua

Hello guys, there are three (open) questions about the
internationalization of GWT, I have:

1) Is it a (huge) performance issue, to use only Messages for
constant and parameterized text, where usually would use both
Messages and Constants?

2) Is there a way to specify the original text in the source code,
whose translations can then be specified somewhere? (e.g.
Translate(Hello) in the source code and than in a properties file
for e.g. spanish: Hello = ¡Hola!)

3) Do you know any translation-tools, which generate the properties
and interfaces for you?

Thanks in Advance!

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Problem with production mode

2010-05-18 Thread Philio

Hello,
I just installed GWT and eclipse and started the example as described
in Set up Eclipse. It worked fine (including the RPC) in development
mode but not so much in production mode. The Chrome browser seems to
have problems loading the javascript components (the text field and
the send button don't load) while firefox has no problem loading these
two but gets the default error message for a failed RPC.
(An error occurred while attempting to contact the server)

I didn't edit the example, so it has to be a problem with my setup.

I would really appreciate any help...

regards philio

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Re: accents problem

2010-05-18 Thread Olivier Turpin

Hello Laurent,

Did you check :
- eclipse workspace settings (UTF-8 vs ISO)?
- JVM file encoding ?
- Apache (if used) default caracter encoding ?

what's the response/request header encoding ?

Is your trouble only on your csv file ?

On 18 mai, 10:46, laurent bagno_laur...@hotmail.com wrote:
 I've a problem when i try to print accents.My application parse a csv
 file with the persons(first-lastName).Some having like
 Véronique,Benoît,...
 With Eclipse, doing click-droit, 'properties', 'Resources', i change
 to iso-8859-1.It's the same for firefox but never doing. I've a
 printing with a question mark inside a little square.

 Thanks for your request

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Why Asynchronous?

2010-05-18 Thread Emeric Heneffe

Hi!

I need to know the exact reason why classes that's gonna be transfered
from server side to client side must implements Serializable? It's
written everywhere
that they had to implement Serializable but never explain why???

Thank you..

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Re: Why Asynchronous?

2010-05-18 Thread rudolf michael

Why Asynchronous?
On Tue, May 18, 2010 at 6:57 PM, Emeric Heneffe emeric.hene...@gmail.comwrote:

 Hi!

 I need to know the exact reason why classes that's gonna be transfered
 from server side to client side must implements Serializable? It's
 written everywhere
 that they had to implement Serializable but never explain why???

 Thank you..

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How To Retrieve the Service Method Name?

2010-05-18 Thread Daniel Simons

I am looking for a way to retrieve the Service Method name for a given RPC
Service Call.  I would prefer a solution that is more precise than parsing
through the request content via RPCServletUtils.readContentAsUtf8(request).
 Any suggestions?

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Re: About Date object in GWT

2010-05-18 Thread euzuro

If you look at some of the files in the
com.google.gwt.user.datepicker.client[1], you'll see that the gwt
developers themselves are freely using these deprecated java.util.Date
methods.

To avoid the java warnings, they put a @SuppressWarnings() at the head
of any method that uses them (or sometimes the entire class)
@SuppressWarnings(/* Required to use Date API in gwt */
{deprecation})

I think the argument here is that the GWT implementation of
java.util.Date is based on the JavaScript Date object, and therefore
it's OK to use those methods.

You still have to be wary of timezone issues, though. For example:

Date today = new Date();
Window.alert(today.getHour());

...will show different values if you are in Amsterdam or in Mexico
City.

Erik

[1]
http://google-web-toolkit.googlecode.com/svn/trunk/user/src/com/google/gwt/user/datepicker/client/

On Mon, May 17, 2010 at 12:20 PM, Sabbir leo.sh...@gmail.com wrote:
and how about reading the years, months, day, hour, minutes and
seconds from the date object?

On May 15, 6:13 am, Sabbir leo.sh...@gmail.com wrote:
the methods inDateobjecat as getTime, getHour, etc are deprecated
ones.
And in GWT calendarobjectis not allowed.

so how do set thedateobjectin GWT???

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Re: return type image from server

2010-05-18 Thread Professor Vagner

Try this.


import com.google.gwt.user.client.rpc.RemoteService;
import com.google.gwt.user.client.rpc.RemoteServiceRelativePath;

/**
 * The client side stub for the RPC service.
 */
@RemoteServiceRelativePath(greet)
public interface GreetingService extends RemoteService {
String getImage(String name) throws IllegalArgumentException;
}// end GreetingService

##

/**
 * The async counterpart of codeGreetingService/code.
 */
public interface GreetingServiceAsync {
void getImage(String input, AsyncCallbackString callback)
throws IllegalArgumentException;
}// end GreetingServiceAsync

##

package testes.gwt.server;

import java.io.FileInputStream;

import sun.misc.BASE64Encoder;
import testes.gwt.client.GreetingService;

import com.google.gwt.user.server.rpc.RemoteServiceServlet;

/**
 * The server side implementation of the RPC service.
 */
public class GreetingServiceImpl extends RemoteServiceServlet implements
GreetingService {

private static final long serialVersionUID = -7242788956943039085L;

public String getImage(String input) throws IllegalArgumentException {

try {
BASE64Encoder base64Encoder = new BASE64Encoder();
FileInputStream fileInputStream = new
FileInputStream(myImage);

byte[] buffer = new byte[fileInputStream.available()];

StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append(data:image/png;base64,);
fileInputStream.read(buffer);
stringBuilder.append(base64Encoder.encode(buffer));
return stringBuilder.toString();
} catch (Exception e) {
e.printStackTrace();
}// end catch
return null;
}// end getImage
}// end GreetingServiceImpl


##


public void onFailure(Throwable caught) {}

public void onSuccess(String result) {
if (!img.isVisible())
   img.setVisible(true);
img.getElement().setPropertyObject(src, result);
 } // end onSuccess


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O PLANETA É O MEU PAÍS, E A CIÊNCIA É A MINHA RELIGIÃO ! INDO AO INFINITO E
ALÉM... !!

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TabLayoutPanel ie problem

2010-05-18 Thread ailinykh

Hello,
 everybody!
I try to create layout with two  TabLayoutPanel widgets. (One's tab is
the parent for another)
This is the code. It works fine in chrome. But in IE inner
TabLayoutPanel's tab takes whole window. It looks like
it's parent (LayoutPanel)  doesn't exist. Any ideas how to fix it?

Thank you,
  Andrey


g:TabLayoutPanel barUnit='PX' barHeight='20'
g:tab
g:header size='7'
bTop HTML/b
header
/g:header
g:Labelable/g:Label
/g:tab
g:tab
g:header size='7'
one more
/g:header
g:LayoutPanel
g:layer left='0' width='20em'
g:Labelthis is label/g:Label
/g:layer
g:layer left='20em' right='0'
g:TabLayoutPanel barUnit='PX' 
barHeight='20'
g:tab
g:header size='7'
bHTML/b
header
/g:header
g:LabelOne more 
label/g:Label
/g:tab
/g:TabLayoutPanel
/g:layer
/g:LayoutPanel
/g:tab

/g:TabLayoutPanel

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gwt + php + mysql = confusion?

2010-05-18 Thread dino

Always when I learn something new I make as much as possible
applications to test myself and to get a little bit better. The  goal
of my current project is to have a flextable filled with records
from a mysql database you can edit and as you are typing it gets
submitted into the database. the back end is written in php and the
client-server communication is via json.

the problem is that I want to be everything asynchronous to have
better end user experience. but I've read that because its
asynchronous I can not be sure if when I send packet a before packet
b a will sooner arrive. now when you edit the database and type
lol the update command lo can arrive later then lol, you get the
problem,...

how can I solve this problem? Can someone give me some hints how he
would do this project, I am still experimenting/studying.

English isn't my native language so I am sorry if this is full of
spelling mistakes.
I posted this text already but it seemed to have disappeared: I can't
find it with search,... Am I dubbelposting now?

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Re: gwt + php + mysql = confusion?

2010-05-18 Thread Christian Goudreau

Don't worry, I have it... twice :)

Christian

On Tue, May 18, 2010 at 2:37 PM, dino dinos...@gmail.com wrote:

 Always when I learn something new I make as much as possible
 applications to test myself and to get a little bit better. The  goal
 of my current project is to have a flextable filled with records
 from a mysql database you can edit and as you are typing it gets
 submitted into the database. the back end is written in php and the
 client-server communication is via json.

 the problem is that I want to be everything asynchronous to have
 better end user experience. but I've read that because its
 asynchronous I can not be sure if when I send packet a before packet
 b a will sooner arrive. now when you edit the database and type
 lol the update command lo can arrive later then lol, you get the
 problem,...

 how can I solve this problem? Can someone give me some hints how he
 would do this project, I am still experimenting/studying.

 English isn't my native language so I am sorry if this is full of
 spelling mistakes.
 I posted this text already but it seemed to have disappeared: I can't
 find it with search,... Am I dubbelposting now?

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Re: GWT Sprite adds height attribute in the style class

2010-05-18 Thread jgonian

I have also used the sprite mechanism but without success on IE6/7
when it came to background with sprite-image.

Here is the related issue:
http://code.google.com/p/google-web-toolkit/issues/detail?id=4521
and I think it describes the same problem mentioned by Thomas.

All we can do for now is star it ..


On May 18, 1:28 am, Thomas Broyer t.bro...@gmail.com wrote:
 On 17 mai, 10:40, Tobias Herrmann t.herrm...@alkacon.com wrote:





  Hi there,

  I have to disagree with Thomas. You only need to be aware that the
  @sprite will set these dimensions. You can override this by setting the
  height or width yourself in the CSS rule where the @sprite is used.

  Like this:
  @sprite div.imageClass{
      gwt-image: yourImage;
      height: auto;
      width: 10px;

  }

  In this case, no other height and width properties will be set by gwt.

  Doing it this way, you can still take advantage of the improved
  performance the gwt sprite mechanism provides.

 ...but in IE6/7 you might see other images from the sprite
 image (other browsers all use data: URLs, unless you tell them to not
 inline the resources)

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Re: Fail to open the GWT application when deployed on TomCat

2010-05-18 Thread Katharina Probst

Did you do a GWT compile? Your war directory should contain a bunch
(depending on the # of permutations) of *.cache.html files, which are the
actual GWT app compiled to JavaScript.

See here:
http://code.google.com/webtoolkit/doc/latest/DevGuideCompilingAndDebugging.html#DevGuideJavaToJavaScriptCompilerfor
more info.

kathrin

On Sun, May 16, 2010 at 2:08 PM, scheiner uri.schei...@gmail.com wrote:

Hi all,

I am a GWT-newbie and I have encountered the following problem:

I am using intelliJ for development. when I run the application from
intelliJ (using the JETTY-based GWT development mode) everything is
fine.

I tried to move my application to my TomCat server and when I tried to
open the URL (without development mode) I got the 'The GWT module may
need to be (re)compiled' message.
When I add the gwt.codesvr=127.0.0.1:9997, everything works.

This is how the tomcat webapps\Graph directory looks:

1. I took the compiled classes from the 'IntelliJIdea90\system\gwt
\server.server55fdbcb4\GWTGraph.39caa101\run\www' and put it under
'classes' directory (ordered in the 'public', 'server', 'client' sub-
directories)

2. The 'web-inf' directory contains the proper web.xml file

3. The 'lib' directory contains the gwt jars

4.The root directory of the application (webapps\Graph) contain these
files

* rpc file
* clear.cache.gif
*Graph.css
*Graph.html
*Graph.nocache.js
*hosted.html

Is there something I miss? I read some posts about the problem and I
recompiled all the classes once again but it didn't fix the problem.

Any ideas?

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Re: gwt + php + mysql = confusion?

Response from GWT RPC is asynchronous. Asynchrony (condition of being
asynchronous), is a desirable form of communication between browser
and server because it allows avoiding your web page from becoming
unresponsive while waiting for the response from the server.

Therefore, you have to take steps to synchronize or ensure sequence
integrity by either
- rewriting your server-side to manage sequencing
- or setting up a buffer on your client-side
- or a combination of both.

If the request sequence from the browser is cell5-cell10-cell2, you
could ensure that the server side would not send the response in the
sequence cell2-cell5-cell10 but in the sequence cell5-cell10-cell2.
You also need to manage the time-outs. What if cell5 request is very
complex calculation requiring the server 5 minutes to complete,
whereas cell2 and cell10 requires only milliseconds?

I am also curious why you would not let cell2 be displayed first while
waiting for cell5, even though cell2 was requested last? If there is a
dependency cell2 has on cell5, then that dependency should be resolved
at the server side as much as possible. If there is no dependency, I
don't see any good reason not to display it first. You could disable
it from being edited while waiting for cell5.

If you do not wish write code for all this complexity, you should
abandon php code on the server side and use for example Vaadin
(vaadin.com) to manage it for you. I know there are other session-
managed framework for ajax but I find that vaadin is the most robust
and closest to GWT. I am sure that must be session-managed php
frameworks somewhere out there, too, but I am unfamiliar with php to
make any recommendations.

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Re: Why Asynchronous?

Why asynchronous?

This is a classic examination question in data communications.

Why serializable? - another classic examination question.

Classic - meaning that the professors in data communication would want
to ensure you understand them before they would like you to be given a
piece of paper to pass through the pearly gates of their academic
institutions to make your contributions to the data engineering world.

Asynchronous
==
Remember the days of pure JSP and HTML pages and absence of AJAX? You
would have a page with multiple cells. Your user would need to fill up
the page cells, click on submit. Then the page blanks off for a while.
Sometimes it is longer than a while. Sometimes, you need to send an
intervening page to say, server still processing, please be patient.

We used to ask, why couldn't we just send the request out without
refreshing the page. Why can't the web page be allowed to continue to
function while waiting for the response? For example, for a page
displaying the price trend of a stock, when a request is sent to the
server to refresh the stock price, I would like to continue being able
to zoom in and out of the chart of its historical prices. In the old
days, we would click on a submit button, the screen blanks off and we
go get a cup of coffee and then the browser relents to display the
page when the server finally sends its response.

So asynchrony is a desirable condition, not a disadvantage. You may
ask, why can't the browser display the response as soon as possible
rather than wait asynchronously. The browser not displaying as soon as
possible is not the fault of asynchrony. It is the fault of slow
servers and faulty data cables - that we use asynchrony as a
compensatory measure. If you don't like asynchrony, you could revert
back to the old days of a blanked screen waiting for the server to
respond. Or spend a lot of money upgrading your servers and data
cabling.

Serializable

Imagine Moses and the Red sea. Let us say that the angel opened up the
a passage in the Red sea to allow only a single file of people to pass
through. The Pharaoh's army is behind pursuing the Israelites and
Moses has to make sure his people get across to the other side of the
sea as quickly as possible.

So the Israelites are now assembled according to tribe, and then by
clan, and then by family. They stick together in that hierarchy. But
the passage across the sea allows only one person row of people. So
Moses has to break the tribes, clans and families up and marshal them
into a single row of people. And then on the other side, he has to
ensure they are able to reassemble them back into their tribe, clan
and family hierarchy. You wouldn't want Moses faced with the situation
of a child, on reaching the other side, crying where is my mummy and
daddy?, would you?

There is a data communication channel between your browser (where you
might be sitting in a cafe in Ougadougou) and the server (sitting
somewhere in Mumbai). You might not be aware of that if you are on
development mode where your browser, server and Eclipse sits on the
same machine, wondering why can't they just pass objects to each other
by sharing the computer's memory. But you are developing for a remote-
to-remote situation where the data lines, in theory, require you to
send your objects in a serial manner.

By implementing Serializable, you are telling the data communication
channel where to find the disassembling/serializing routines and then
where to find the reassembly/deserializing routines for your
object.Most classes already come with serializing/deserializing
routines so you only need to implement Serializable, otherwise you
would need to write the serializer/deserializer.

If you are developing using the Google Plugin for Eclipse, you need to
turn the GAE option off if you are not developing for GAE. When you
develop for GAE, or any cloudified environment, your application needs
its sessions to be allowed to shift from server to server across the
world. That is how the cloud owner would like to optimise their
resources and the response of your application. In order to facilitate
that kind of shift, your objects need to be serializable.

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Re: gwt + php + mysql = confusion?

2010-05-18 Thread dino

@christian goudreau
thank you very much :)

@blessed geek
I find more often a server with php support then servlets support. my
host doesn't support servlets but I'll consider it.
because I only have to transfer plain text and not any serious
calculations on the server side, its not a problem I'll encounter


for explaining it better:
at startup my applications does a get request on all.php witch parses
every record in my database in one json chunk. on client side I parse
the json string and fill it into textboxes in a flextable.
while you are typing in the textboxes from the flextable filled with
records he updates the database. so when you type a an event gets
triggered, a post request build up and sended to the server. when you
then type b(making the textbox contain ab) it again builds a
command an posts it in the database. but because of my requests are
asynchronously I have little chance the ab update command arrives
sooner and making the result in my database a.

how can I bypass it?

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Re: How to access static variable on remoteService?

Yes, you could set and get session attributes to store any data, as
long as the you wish to share the data within the same session.
But what if, the data need to be shared across session? What if your
application needs to be robust so that in case the session died due to
power outage and the user needs to pick the session up back where it
abruptly terminated?

So you might prefer to store your data in a database with fields
[session id, object name, object value]. If your object is complex,
then you would need to use JDO or JPA to model it for presentation to
the database.

On May 17, 8:25 am, Saurabh saurabhjo...@gmail.com wrote:

 Could you expand a little on what you mean by persistence repository where
 the actual data would reside? Would this be along the lines of storing the
 data in the session object?

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Re: internationalization



On 17 mai, 12:14, Joschua cit_corperat...@gmx.net wrote:
 Hello guys, there are three (open) questions about the
 internationalization of GWT, I have:

 1) Is it a (huge) performance issue, to use only Messages for
 constant and parameterized text, where usually would use both
 Messages and Constants?

No. Constants in Messages are finally compiled to the exact same
code as if they were in a Constants. The real difference is that
Messages is limited to Strings.

 2) Is there a way to specify the original text in the source code,
 whose translations can then be specified somewhere? (e.g.
 Translate(Hello) in the source code and than in a properties file
 for e.g. spanish: Hello = ¡Hola!)

Only using the @DefaultXxxValue or @DefaultMessage annotations

 3) Do you know any translation-tools, which generate the properties
 and interfaces for you?

You'd generally create the interfaces on the go, adding methods
while you need a new constant. Then, compiling your app with the -gen
argument will create the corresponding *.properties file that you can
now translate,using any tool you like (I don't use any but I know
there exists some) or give to translators (we're generating an Excel
file that we give to our customer, one column per language, and
generate the *.properties back when translated)

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Re: HTTP GET changed to OPTIONS



On 17 mai, 20:33, Seven Corners she...@shelahhorvitz.com wrote:
 I'm finding a strange situation where an HTTP GET gets changed to
 OPTIONS, and I receive nothing from my GET.  I'm working on an
 application where I'll be working with various CRUD operations via
 REST calls to my local server.  Right now I'm just writing the GET and
 finding that my response has no data and a status of 0.  I learn from
 the log that the GET has been changed to HTTP OPTIONS.  Any clue why,
 and what I can do to fix it?

http://www.w3.org/TR/cors/#cross-origin-request-with-preflight0

 I think what I need to do is a common
 and straightforward thing; surely other people have run into this?

With most browsers until last year, it would have failed, because of
the same origin policy. Nowadays, all modern browsers (with the
notable exception of IE) implement CORS, but older versions still
don't. (t should be noted that IE8 supports CORS but you have to use a
special XDomainRequest instead of XMLHttpRequest, and GWT isn't
designed with cross-origin requests in view so it won't use
XDomainRequest)

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Re: gwt + php + mysql = confusion?

I don't understand why you would face a problem.

Isn't your json response like this
{ cell5:bigtoe,
  cell12:smalltoe
}

so that, you know which cell to update when the response comes back.
And you might even consider a similar param-value pair json structure
when the client sends the request to the server. The client would send
the server the name-value pair, so that the server knows what param
name it is processing and then responds to the client with a similar
name-value pair structure so that the client knows where to place the
answers. You should study the structural flexibilities of json to
exploit it to carry sufficient information to process that
information.

If a simple structure is insufficient, deepen the depth of
information, like:
{
  cell5: {
datetime: 123435465,
status: old
value: no eye deer,
  },
  cell9: {
datetime: 123438444,
status: stale
value: bad eye deer,
  }
}

Or, if you wish to save network traffic, just use arrays, knowing the
sequence is [datetime, status, value].
{
  cell1: [123435465, old, no eye deer],
  cell9: [123438444, stale, bad eye deer]
}

Therefore, you would have to use a proper json parser in php, capable
of converting json to data structure, to do effective work on a web
app.

I prefer to use Java on both client and server side with GWT RPC. I
could have a data structure (serializable of course)
class Cell{
  int row, column;
  String value;
}

And the GWT compiler would facilitate the alignment of this data
structure on both sides.

The data structure I usually use for non tabular data is

interface ParameterValues
implements RemoteService{
  MapString, String getValues(MapString, String paramReq);
}

which is equivalent to a json name-value pair structure.


On May 18, 1:54 pm, dino dinos...@gmail.com wrote:

 for explaining it better:
 at startup my applications does a get request on all.php witch parses
 every record in my database in one json chunk. on client side I parse
 the json string and fill it into textboxes in a flextable.
 while you are typing in the textboxes from the flextable filled with
 records he updates the database. so when you type a an event gets
 triggered, a post request build up and sended to the server. when you
 then type b(making the textbox contain ab) it again builds a
 command an posts it in the database. but because of my requests are
 asynchronously I have little chance the ab update command arrives
 sooner and making the result in my database a.

 how can I bypass it?

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Re: Question about servlets and concurrency


On 17 mai, 16:40, pianista beethovenor...@gmail.com wrote:
 I'm developing a multiplayer game with GWT.

 The question is in my servletImpl, what happens when more than one
 user try to use it?

 I think, that servletImpl locks until the first user action finish,
 and then execute the second user action.

Only if your method is synchronized, but I wouldn't do this as it
would hurt performances of your app as soon as there are more than a
few concurrent users.
By default they just execute concurrently, in different threads.

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Re: Why Asynchronous?

2010-05-18 Thread Emeric Heneffe

Thank you for answers.. everything is ok now...

Regards

On 18 mai, 22:43, Blessed Geek blessedg...@gmail.com wrote:
 Why asynchronous?

 This is a classic examination question in data communications.

 Why serializable? - another classic examination question.

 Classic - meaning that the professors in data communication would want
 to ensure you understand them before they would like you to be given a
 piece of paper to pass through the pearly gates of their academic
 institutions to make your contributions to the data engineering world.

 Asynchronous
 ==
 Remember the days of pure JSP and HTML pages and absence of AJAX? You
 would have a page with multiple cells. Your user would need to fill up
 the page cells, click on submit. Then the page blanks off for a while.
 Sometimes it is longer than a while. Sometimes, you need to send an
 intervening page to say, server still processing, please be patient.

 We used to ask, why couldn't we just send the request out without
 refreshing the page. Why can't the web page be allowed to continue to
 function while waiting for the response? For example, for a page
 displaying the price trend of a stock, when a request is sent to the
 server to refresh the stock price, I would like to continue being able
 to zoom in and out of the chart of its historical prices. In the old
 days, we would click on a submit button, the screen blanks off and we
 go get a cup of coffee and then the browser relents to display the
 page when the server finally sends its response.

 So asynchrony is a desirable condition, not a disadvantage. You may
 ask, why can't the browser display the response as soon as possible
 rather than wait asynchronously. The browser not displaying as soon as
 possible is not the fault of asynchrony. It is the fault of slow
 servers and faulty data cables - that we use asynchrony as a
 compensatory measure. If you don't like asynchrony, you could revert
 back to the old days of a blanked screen waiting for the server to
 respond. Or spend a lot of money upgrading your servers and data
 cabling.

 Serializable
 
 Imagine Moses and the Red sea. Let us say that the angel opened up the
 a passage in the Red sea to allow only a single file of people to pass
 through. The Pharaoh's army is behind pursuing the Israelites and
 Moses has to make sure his people get across to the other side of the
 sea as quickly as possible.

 So the Israelites are now assembled according to tribe, and then by
 clan, and then by family. They stick together in that hierarchy. But
 the passage across the sea allows only one person row of people. So
 Moses has to break the tribes, clans and families up and marshal them
 into a single row of people. And then on the other side, he has to
 ensure they are able to reassemble them back into their tribe, clan
 and family hierarchy. You wouldn't want Moses faced with the situation
 of a child, on reaching the other side, crying where is my mummy and
 daddy?, would you?

 There is a data communication channel between your browser (where you
 might be sitting in a cafe in Ougadougou) and the server (sitting
 somewhere in Mumbai). You might not be aware of that if you are on
 development mode where your browser, server and Eclipse sits on the
 same machine, wondering why can't they just pass objects to each other
 by sharing the computer's memory. But you are developing for a remote-
 to-remote situation where the data lines, in theory, require you to
 send your objects in a serial manner.

 By implementing Serializable, you are telling the data communication
 channel where to find the disassembling/serializing routines and then
 where to find the reassembly/deserializing routines for your
 object.Most classes already come with serializing/deserializing
 routines so you only need to implement Serializable, otherwise you
 would need to write the serializer/deserializer.

 If you are developing using the Google Plugin for Eclipse, you need to
 turn the GAE option off if you are not developing for GAE. When you
 develop for GAE, or any cloudified environment, your application needs
 its sessions to be allowed to shift from server to server across the
 world. That is how the cloud owner would like to optimise their
 resources and the response of your application. In order to facilitate
 that kind of shift, your objects need to be serializable.

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UserService.getCurrentUser() is not working for me

2010-05-18 Thread Xi Zhang

Hi there:

I am a beginner of GWT.

The problem I am having is I couldn't get Google account
authentication. I simply added UserService.getCurrentUser() to the
default project trying to return the user name trough RPC call but it
didn't work. I tried upload the project to GAE and the result is the
same.

Anyone knows why this is happening?

Thanks,.

Xi Zhang

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Re: GWT IE Bug affecting RichTextArea, TextBox, etc.

2010-05-18 Thread Brett Shelley

Problem: The problem is a result of a RichTextArea being embedded in a
TabPanel.

To Reproduce: In IE8, add a RichTextArea to a TabPanel. Navigate to the
Tab containing a RichTextArea. Leave the Tab without Focusing on the
RichTextArea. The entire app enters a state where TextBoxes, TextAreas, and
RichTextAreas cannot get focus.

Solution: Set Focus on the RichTextArea when the TabPanel is opened. If
the RichTextArea is in the first tab, then a Timer that sets Focus after
some short delay will generate the focus event. Focusing on the
RichTextArea enables the application to remain in a working state.

Thanks,

Brett

On Mon, May 17, 2010 at 10:14 PM, Brett S. brett.h.shel...@gmail.comwrote:

Hello,

I am at a loss that I can only reproduce with IE8 (both XP and Win7).
I would greatly appreciate any assistance.

I have a GWT 2.0 application that has several DialogBoxes containing
text boxes, buttons, etc. Everything works fine in Firefox, Chrome,
etc.

In one DialogBox, I have a TabPanel with three Tabpanels. One of the
tabs has a RichTextArea. The first time I edit text in the TextAreas,
everything is fine. The second or third time, the text area locks
up. The TextArea takes no focus and does not allow editing. Buttons
still work. I can close my DialogBox and open a completely unrelated
DialogBox with a simple TextBox. This TextBox suddenly does not work
either. Once the application goes into the no focus, no edit state
for Text Entry Widgets, there is no return. No Text Controls work.
Buttons, Menus, popup windows work fine though.

In Dev and Production mode, no errors or exceptions are being
thrown.

I read in some older postings (2008) that TabPanels have trouble
containing TextAreas. So, I removed the TextAreas from the TabPanel.
The problem was not fixed by not having TextAreas in Tab Panels.

My hope is that someone out there has experienced this problem. Please
let me know if any workarounds exist.

Thank you!

Brett

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Re: TabLayoutPanel ie problem

2010-05-18 Thread kozura

Might be this bug: 
http://code.google.com/p/google-web-toolkit/issues/detail?id=4694can=5
The workaround should work for you.

On May 18, 12:28 pm, ailinykh ailin...@gmail.com wrote:
 Hello,
  everybody!
 I try to create layout with two  TabLayoutPanel widgets. (One's tab is
 the parent for another)
 This is the code. It works fine in chrome. But in IE inner
 TabLayoutPanel's tab takes whole window. It looks like
 it's parent (LayoutPanel)  doesn't exist. Any ideas how to fix it?

 Thank you,
   Andrey

         g:TabLayoutPanel barUnit='PX' barHeight='20'
                 g:tab
                         g:header size='7'
                                 bTop HTML/b
                                 header
                         /g:header
                         g:Labelable/g:Label
                 /g:tab
                 g:tab
                         g:header size='7'
                                 one more
                         /g:header
                         g:LayoutPanel
                                 g:layer left='0' width='20em'
                                         g:Labelthis is label/g:Label
                                 /g:layer
                                 g:layer left='20em' right='0'
                                         g:TabLayoutPanel barUnit='PX' 
 barHeight='20'
                                                 g:tab
                                                         g:header size='7'
                                                                 bHTML/b
                                                                 header
                                                         /g:header
                                                         g:LabelOne more 
 label/g:Label
                                                 /g:tab
                                         /g:TabLayoutPanel
                                 /g:layer
                         /g:LayoutPanel
                 /g:tab

         /g:TabLayoutPanel


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Re: return type image from server

2010-05-18 Thread Sripathi Krishnan

I don't think it is possible to create an image using base64 encoded data.
Even if it were possible, you don't want to do it for a lot of reasons,
namely
a) RPC uses POST, which is not easily cacheable
b) Its a waste of bandwidh. RPC and base64 both have their overheads
c) You have to deal with the asynchronous nature of RPC
d) Its non-intuitive, and a lot more work

i cannot fetch it directly from the client since this image needs to be
 registered in the session of the GWT-server - image servlet, if i fetch it
 from the client it will be registered in the client session with the image
 servlet.

Could you explain this statement? It looks to me you are confused with the
concept of sessions. Serving images via a servlet is a pretty standard
technique, you need to better explain your problems with that approach.

--Sri


On 18 May 2010 23:57, Professor Vagner professorvag...@javaneses.comwrote:

 Try this.


 import com.google.gwt.user.client.rpc.RemoteService;
 import com.google.gwt.user.client.rpc.RemoteServiceRelativePath;

 /**
  * The client side stub for the RPC service.
  */
 @RemoteServiceRelativePath(greet)
 public interface GreetingService extends RemoteService {
 String getImage(String name) throws IllegalArgumentException;
 }// end GreetingService


 ##

 /**
  * The async counterpart of codeGreetingService/code.
  */
 public interface GreetingServiceAsync {
 void getImage(String input, AsyncCallbackString callback)
 throws IllegalArgumentException;
 }// end GreetingServiceAsync


 ##

 package testes.gwt.server;

 import java.io.FileInputStream;

 import sun.misc.BASE64Encoder;
 import testes.gwt.client.GreetingService;

 import com.google.gwt.user.server.rpc.RemoteServiceServlet;

 /**
  * The server side implementation of the RPC service.
  */
 public class GreetingServiceImpl extends RemoteServiceServlet implements
 GreetingService {

 private static final long serialVersionUID = -7242788956943039085L;

 public String getImage(String input) throws IllegalArgumentException {

 try {
 BASE64Encoder base64Encoder = new BASE64Encoder();
 FileInputStream fileInputStream = new
 FileInputStream(myImage);

 byte[] buffer = new byte[fileInputStream.available()];

 StringBuilder stringBuilder = new StringBuilder();
 stringBuilder.append(data:image/png;base64,);
 fileInputStream.read(buffer);
 stringBuilder.append(base64Encoder.encode(buffer));
 return stringBuilder.toString();
 } catch (Exception e) {
 e.printStackTrace();
 }// end catch
 return null;
 }// end getImage
 }// end GreetingServiceImpl



 ##


 public void onFailure(Throwable caught) {}

 public void onSuccess(String result) {
 if (!img.isVisible())
img.setVisible(true);
 img.getElement().setPropertyObject(src, result);
  } // end onSuccess


 --
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 O PLANETA É O MEU PAÍS, E A CIÊNCIA É A MINHA RELIGIÃO ! INDO AO INFINITO E
 ALÉM... !!

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Re: GWT Compilation Issue

2010-05-18 Thread mP

Mate

Its a bit hard to tell with no details, like perhaps the exception,
the messages or something from the log, at the very least something.
As you probably already know there are a million things that can go
wrong, you havent given us any clues or pointers.

hth

On May 18, 9:55 pm, Muhammad Zeeshan muhammad.zeeshan...@gmail.com
wrote:
 Hi, I am facing problem while GWT compilation. I am using ANT build
 file in which i run 'build' target. when execution comes to 'gwtc'
 target the compilation sometimes stop or somtime it compiles
 successfully. Can anyone please tell me what i am doing wrong ? I am
 using GWT2.0

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Re: TabLayoutPanel ie problem

2010-05-18 Thread ailinykh

Yes, this is it.
If I call forceLayout() on LayoutPanel when parent tab is selected
everything looks good.
Thank you very much!

Andrey

On May 18, 8:49 pm, kozura koz...@gmail.com wrote:
 Might be this 
 bug:http://code.google.com/p/google-web-toolkit/issues/detail?id=4694can=5
 The workaround should work for you.

 On May 18, 12:28 pm, ailinykh ailin...@gmail.com wrote:





  Hello,
   everybody!
  I try to create layout with two  TabLayoutPanel widgets. (One's tab is
  the parent for another)
  This is the code. It works fine in chrome. But in IE inner
  TabLayoutPanel's tab takes whole window. It looks like
  it's parent (LayoutPanel)  doesn't exist. Any ideas how to fix it?

  Thank you,
    Andrey

          g:TabLayoutPanel barUnit='PX' barHeight='20'
                  g:tab
                          g:header size='7'
                                  bTop HTML/b
                                  header
                          /g:header
                          g:Labelable/g:Label
                  /g:tab
                  g:tab
                          g:header size='7'
                                  one more
                          /g:header
                          g:LayoutPanel
                                  g:layer left='0' width='20em'
                                          g:Labelthis is label/g:Label
                                  /g:layer
                                  g:layer left='20em' right='0'
                                          g:TabLayoutPanel barUnit='PX' 
  barHeight='20'
                                                  g:tab
                                                          g:header size='7'
                                                                  bHTML/b
                                                                  header
                                                          /g:header
                                                          g:LabelOne more 
  label/g:Label
                                                  /g:tab
                                          /g:TabLayoutPanel
                                  /g:layer
                          /g:LayoutPanel
                  /g:tab

          /g:TabLayoutPanel

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Re: GWT Formpanel and multipart

2010-05-18 Thread noob_boy

On the server side, how to get the params sent on form submit?

getParameterMap() should give  me all the form params, correct?
How do I get the file, I am running it on Google App Engine.. Hence I
cannot use any disk writing classes.

Thanks




On May 17, 2:10 pm, noob_boy acharya@gmail.com wrote:
 Hi,

 I am trying to run the FormPanel example which exists along with the
 javadoc. After form submission,  no data is available on the server
 side. But, if I remove ENCODING_MULTIPART and set it to URLENCODED, I
 get the data for all fields except FIleUpload  field.

 Any tips on how to debug this issue?

 Thanks,

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[gwt-contrib] 1.3.1 gwt-maven-plugin in 2.1.0 M1 ??

2010-05-18 Thread nicolas de loof

Hi

I'm the maintainer of codehaus-mojo gwt-maven-plugin and I wonder the plugin
is deployed with a 1.3.1.google version at
http://google-web-toolkit.googlecode.com/svn/2.1.0.M1/gwt/maven/

Is it a internal release of the codehaus trunk to get a fixed version, or
a custom build with some fixes ?

Do you plan to add support for Maven as a standard GWT feature ? I'd be
pleased to contribute and deprecate the mojo plugin in such case.

Nicolas

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[gwt-contrib] Re: 1.3.1 gwt-maven-plugin in 2.1.0 M1 ??

2010-05-18 Thread nicolas de loof

I also notice the POM used to publish GWT artifacts is limited to required
data, but does not include what is expected for a valid artifact to be
deployed on maven central (license, SCM url, mailing lists...) and can be
used by various tools (including m2eclipse) to help developers.

Maybe they have just been generated using a mvn deploy:deploy-file ?

Cheers,
Nicolas

2010/5/18 nicolas de loof nicolas.del...@gmail.com

 Hi

 I'm the maintainer of codehaus-mojo gwt-maven-plugin and I wonder the
 plugin is deployed with a 1.3.1.google version at
 http://google-web-toolkit.googlecode.com/svn/2.1.0.M1/gwt/maven/

 Is it a internal release of the codehaus trunk to get a fixed version, or
 a custom build with some fixes ?

 Do you plan to add support for Maven as a standard GWT feature ? I'd be
 pleased to contribute and deprecate the mojo plugin in such case.

 Nicolas


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[gwt-contrib] Re: 1.3.1 gwt-maven-plugin in 2.1.0 M1 ??



On 18 mai, 14:14, nicolas de loof nicolas.del...@gmail.com wrote:
 I also notice the POM used to publish GWT artifacts is limited to required
 data, but does not include what is expected for a valid artifact to be
 deployed on maven central (license, SCM url, mailing lists...) and can be
 used by various tools (including m2eclipse) to help developers.

 Maybe they have just been generated using a mvn deploy:deploy-file ?

I don't know Maven, but I'd say they've been generated using mvn
install:install-file from this script:
http://code.google.com/p/google-web-toolkit/source/browse/branches/2.1/bikeshed/scripts/maven_script.sh

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[gwt-contrib] [google-web-toolkit] r8174 committed - Use cursors for expense report list search queries...


Revision: 8174
Author: r...@google.com
Date: Tue May 18 06:37:32 2010
Log: Use cursors for expense report list search queries
Fix checkstyle warnings

http://code.google.com/p/google-web-toolkit/source/detail?r=8174

Added:
  
/branches/2.1/user/src/com/google/gwt/user/cellview/client/simplePagerFastForward.png
  
/branches/2.1/user/src/com/google/gwt/user/cellview/client/simplePagerFastForwardDisabled.png

Modified:
 /branches/2.1/bikeshed/src/com/google/gwt/mobile/client/Touch.java
 /branches/2.1/bikeshed/src/com/google/gwt/mobile/client/TouchEvent.java
  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/client/ExpenseList.java
  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/client/Scaffold.java
  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/server/ReportGenerator.java
  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/server/domain/Report.java

 /branches/2.1/user/src/com/google/gwt/cell/client/Cell.java
  
/branches/2.1/user/src/com/google/gwt/user/cellview/client/AbstractPager.java

 /branches/2.1/user/src/com/google/gwt/user/cellview/client/SimplePager.java

===
--- /dev/null   
+++  
/branches/2.1/user/src/com/google/gwt/user/cellview/client/simplePagerFastForward.png	 
Tue May 18 06:37:32 2010

Binary file, no diff available.
===
--- /dev/null
+++  
/branches/2.1/user/src/com/google/gwt/user/cellview/client/simplePagerFastForwardDisabled.png	 
Tue May 18 06:37:32 2010

@@ -0,0 +1,14 @@
+â°PNG
+ 
+   
+IHDR rP6ÃgAMA  ÃÃÃOX2tEXtSoftware Adobe  
ImageReadyqÃe   	IDATxÃÂ¬TÃJÃP  Â¤ Â¤ Âº Q  *Â¨Â  A7âÂ¢HÃ°SÃ´ Ã¼ Â¿Ã_pÂ
+Â¢Ã¢ÃÂ·Â¢Ã¨Â®Ã¸ÃÃÂ®Ã4M Ã§ÃiÃÂ¤ÂºÃ±ââºÃ´Ã srfÃ®Ãâ¢\ÃÂ¥  Â½ÃÃªÃµÃºZÂµZuÃÃ¥Â²[*â¢Ã kÃ{Ã±HÃ¢!IaâBÂ«Ã*ZâEÃf3 Ãd2âÃf)â¢J Ã¥rÂ¹Â§0â¢ÃÂ¥FgâbÂ¥R âº uOÃY!Ã Ã¾a| 
D Ãa  Ã...@9+Â£| 
/Ãâ! Â¦iÅ 0Å Ão1Ã°ÃÃ»W,\Ã¸ Ã§Ã 2Ã¤ 

+1 Ã®Â®Ã©Ã´Ã¼: ~Â¼Â¿Â¥Â«âºÃ»NHÅ¾Â¯mÃ !Â«Ãjâº0Â¦ÃÃ©v2Ã¹Ã·Ã¹Ã±J{Ã Â¹bÃÂ¶} Â½ÃÃ¡ÃI â ?D   qÂ¼k|âÂ±ÃÃZ
+vvvÂ©ÃÂ°Â©Ã¥Â¶ÆhËUÃ7 jXmEÃ  Â³{HÅ¾â¡ OÃ. Â¨csÃ¨Ã¸Ã¨0â âÂ½Ã¸
+Yâ UÂ â Ã§QW MQ5Ãu=Å;#LÂ¶ Ã¸
+ÃÃ©T4Ã ÃaZÃW â¢ââ
+aÃ«  Â¢Ã¥Â¥ aÆ?N xâCPÃÃ.HdPcâS3416 Â¨Ã Å¸ÅÂ¦ÃÃ¨pÃ°A
+Å¡Â¦i  i'T3ÃÃ
+,Ã!M  nÂ£iââIGË  ÂªÂªÃ«LÂ¶ Ã«MVvÃâÂ³8Ã®ÃÂº Ã»
+Ã +âºKÃ¬MlÂ°ÃÂ¶Â¢(Ã¤7Âº Â«Ã  5Ã¬Ã¸ Ã¼|Â¢ÃÃ Ã
+ÅÃÃÃÂ«#Ã¡Æ ÃÃ¤â Ã =Â¯Â â{ÂÃ Ã¿Ã¯H$Ã»Â¯Ã±#Ã ÃÃSh Â»ÃÃIENDÂ®B`â
===
--- /branches/2.1/bikeshed/src/com/google/gwt/mobile/client/Touch.java	Fri  
May 14 08:28:05 2010
+++ /branches/2.1/bikeshed/src/com/google/gwt/mobile/client/Touch.java	Tue  
May 18 06:37:32 2010

@@ -19,7 +19,7 @@
 import com.google.gwt.dom.client.EventTarget;

 /**
- * TODO: doc
+ * TODO: doc.
  */
 public class Touch extends JavaScriptObject {

===
--- /branches/2.1/bikeshed/src/com/google/gwt/mobile/client/TouchEvent.java	 
Fri May 14 08:28:05 2010
+++ /branches/2.1/bikeshed/src/com/google/gwt/mobile/client/TouchEvent.java	 
Tue May 18 06:37:32 2010

@@ -19,7 +19,7 @@
 import com.google.gwt.dom.client.NativeEvent;

 /**
- * TODO: doc
+ * TODO: doc.
  */
 public class TouchEvent extends NativeEvent {

===
---  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/client/ExpenseList.java	 
Thu May 13 11:35:58 2010
+++  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/client/ExpenseList.java	 
Tue May 18 06:37:32 2010

@@ -441,6 +441,9 @@
 }
 searchBox.resetDefaultText();
 searchRegExp = null;
+
+// Go to the first page of the newly-sorted results
+pager.firstPage();
 requestReports(false);
   }
 });
@@ -601,6 +604,7 @@
 refreshTimer.schedule(REFRESH_INTERVAL);
   }
 };
+
 requestFactory.reportRequest().findReportEntriesBySearch(employeeId,  
dept,
 startsWith, orderBy, range.getStart(),  
range.getLength()).forProperties(

 reportColumns).to(lastDataReceiver).fire();
===
---  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/client/Scaffold.java	 
Fri May 14 13:11:53 2010
+++  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/client/Scaffold.java	 
Tue May 18 06:37:32 2010

@@ -40,7 +40,6 @@
 import java.util.Collections;
 import java.util.List;

-
 /**
  * Application for browsing the entities of the Expenses app.
  */
@@ -55,7 +54,6 @@
 final PlaceControllerScaffoldPlace placeController = new  
PlaceControllerScaffoldPlace(

 eventBus);

-
 /* Top level UI */

 final ScaffoldShell shell = new ScaffoldShell();
===
---  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/server/ReportGenerator.java	 
Fri May 14 13:11:53 2010
+++

[gwt-contrib] Re: Adds a mobile-friendly drag-scroll implementation. (issue530801)

2010-05-18 Thread Joel Webber

We should definitely consider how we're going to bring gesture/touch events
into the existing event framework. I went ahead and wrote this the simple
way because it will only ever need to work on mobile webkit browsers, which
all safely support addEventListener() and don't leak memory.

Le 14 mai 2010 15:07, cromwell...@gmail.com a écrit :


 Joel, I think post I/O perhaps we should add touch events support to
 dispatchEvent() rather than call addEventListener directly, so you'd be
 able to invoke sinkEvents(Event.TOUCH_EVENTS);. I did this for my apps
 and have working code.



 http://gwt-code-reviews.appspot.com/530801/diff/1/9
 File /bikeshed/src/com/google/gwt/mobile/client/TouchHandler.java
 (right):

 http://gwt-code-reviews.appspot.com/530801/diff/1/9#newcode57
 /bikeshed/src/com/google/gwt/mobile/client/TouchHandler.java:57: },
 capture);
 Memory leak?


 http://gwt-code-reviews.appspot.com/530801/show


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[gwt-contrib] Re: Fix issue 3415 and other Date/Time parsing issues. (issue534801)

2010-05-18 Thread rchandia


Will the test run if it is not in a test suite (I18NSuite, perhaps)?


http://gwt-code-reviews.appspot.com/534801/diff/1/2
File user/src/com/google/gwt/i18n/client/impl/DateRecord.java (right):

http://gwt-code-reviews.appspot.com/534801/diff/1/2#newcode102
user/src/com/google/gwt/i18n/client/impl/DateRecord.java:102: Date
defaultCenturyStart = new Date();
Adding an overridable protected getCurrentDate() (or something like
that) to allow mocking the current date may help testing this part of
the code.

http://gwt-code-reviews.appspot.com/534801/diff/1/2#newcode221
user/src/com/google/gwt/i18n/client/impl/DateRecord.java:221: // HBJ
date.setTime(date.getTime() + this.tzOffset * 60 * 1000);
Remove comment

http://gwt-code-reviews.appspot.com/534801/diff/1/3
File user/test/com/google/gwt/i18n/client/impl/DateRecordTest.java
(right):

http://gwt-code-reviews.appspot.com/534801/diff/1/3#newcode38
user/test/com/google/gwt/i18n/client/impl/DateRecordTest.java:38: Date
date = new Date();
Good thing we will not be around in 2040!... well, may be we will. Can
we make these tests independent from the current date?

http://gwt-code-reviews.appspot.com/534801/diff/1/3#newcode41
user/test/com/google/gwt/i18n/client/impl/DateRecordTest.java:41:
assertEquals(60, date.getYear());
Add tests for the corner cases (+19, +20, -80 and -81)

http://gwt-code-reviews.appspot.com/534801/diff/1/3#newcode63
user/test/com/google/gwt/i18n/client/impl/DateRecordTest.java:63: Date
date = new Date();
See above.

http://gwt-code-reviews.appspot.com/534801/show

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[gwt-contrib] Re: Fix issue 3415 and other Date/Time parsing issues. (issue534801)

2010-05-18 Thread jat


I18NSuite is updated, but that file is included in another change so it
isn't listed here.  All it does is add an entry for DateRecordTest.


http://gwt-code-reviews.appspot.com/534801/diff/1/2
File user/src/com/google/gwt/i18n/client/impl/DateRecord.java (right):

http://gwt-code-reviews.appspot.com/534801/diff/1/2#newcode102
user/src/com/google/gwt/i18n/client/impl/DateRecord.java:102: Date
defaultCenturyStart = new Date();
On 2010/05/18 18:22:34, rchandia wrote:

Adding an overridable protected getCurrentDate() (or something like

that) to

allow mocking the current date may help testing this part of the code.


Done.

http://gwt-code-reviews.appspot.com/534801/diff/1/2#newcode221
user/src/com/google/gwt/i18n/client/impl/DateRecord.java:221: // HBJ
date.setTime(date.getTime() + this.tzOffset * 60 * 1000);
On 2010/05/18 18:22:34, rchandia wrote:

Remove comment


Done.

http://gwt-code-reviews.appspot.com/534801/diff/1/3
File user/test/com/google/gwt/i18n/client/impl/DateRecordTest.java
(right):

http://gwt-code-reviews.appspot.com/534801/diff/1/3#newcode38
user/test/com/google/gwt/i18n/client/impl/DateRecordTest.java:38: Date
date = new Date();
On 2010/05/18 18:22:34, rchandia wrote:

Good thing we will not be around in 2040!... well, may be we will. Can

we make

these tests independent from the current date?


Done.

http://gwt-code-reviews.appspot.com/534801/diff/1/3#newcode41
user/test/com/google/gwt/i18n/client/impl/DateRecordTest.java:41:
assertEquals(60, date.getYear());
On 2010/05/18 18:22:34, rchandia wrote:

Add tests for the corner cases (+19, +20, -80 and -81)


Done.

http://gwt-code-reviews.appspot.com/534801/show

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[gwt-contrib] Re: Fix issue 3415 and other Date/Time parsing issues. (issue534801)

2010-05-18 Thread jat


http://gwt-code-reviews.appspot.com/534801/show

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[gwt-contrib] Re: Fix issue 3415 and other Date/Time parsing issues. (issue534801)

2010-05-18 Thread jat


http://gwt-code-reviews.appspot.com/534801/show

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[gwt-contrib] [google-web-toolkit] r8175 committed - Add package.html files for cellview packages and fix a tag error...


Revision: 8175
Author: r...@google.com
Date: Tue May 18 09:17:42 2010
Log: Add package.html files for cellview packages and fix a tag error

Review by: j...@google.com
http://code.google.com/p/google-web-toolkit/source/detail?r=8175

Added:
 /branches/2.1/user/src/com/google/gwt/cell/client/package.html
 /branches/2.1/user/src/com/google/gwt/user/cellview/client/package.html
 /branches/2.1/user/src/com/google/gwt/view/client/package.html
Modified:
 /branches/2.1/user/src/com/google/gwt/user/cellview/client/CellTable.java

===
--- /dev/null
+++ /branches/2.1/user/src/com/google/gwt/cell/client/package.html	Tue May  
18 09:17:42 2010

@@ -0,0 +1,38 @@
+html
+body
+pStandard {...@link com.google.gwt.cell.client.Cell} subclasses used by the
+...@link com.google.gwt.user.cellview.client cellview} widgets.  The  
available

+cell types are:
+ul
+li{...@link com.google.gwt.cell.client.Cell Cell} - the main interfaceli
+li{...@link com.google.gwt.cell.client.AbstractCell AbstractCell} - a  
convenience implementation for subclassing/li
+li{...@link com.google.gwt.cell.client.ActionCell ActionCell} - a Button  
that responds to mouse clicks via a
+...@link com.google.gwt.cell.client.ActionCell.Delegate Delegate}  
interface/li
+li{...@link com.google.gwt.cell.client.ButtonCell ButtonCell} -  a cell  
that displays a button with custom text/li
+li{...@link com.google.gwt.cell.client.CheckboxCell CheckboxCell} -  a cell  
that display sa checkbox/li
+li{...@link com.google.gwt.cell.client.ClickableTextCell ClickableTextCell}  
- HTML text that responds to mouse clicks/li
+li{...@link com.google.gwt.cell.client.CompositeCell CompositeCell} - a  
cell that wraps other cells/li
+li{...@link com.google.gwt.cell.client.CurrencyCell CurrencyCell} - a cell  
that displays a currency value (NOTE: does not

+ currently perform any localization)/li
+li{...@link com.google.gwt.cell.client.DateCell DateCell} - a cell displays  
a date (NOTE: does not currently perform

+any localization)/li
+li{...@link com.google.gwt.cell.client.DatePickerCell DatePickerCell} - a  
cell that displays a date and allows editing

+using a {...@link com.google.gwt.user.datepicker.client.DatePicker DatePicker}
+widget/li
+li{...@link com.google.gwt.cell.client.IconCellDecorator IconCellDecorator}  
- a cell that adds an icon to another cell/li
+li{...@link com.google.gwt.cell.client.EditTextCell EditTextCell} - a cell  
that displays editable text/li
+li{...@link com.google.gwt.cell.client.SelectionCell SelectionCell} - a  
cell that displays a drop-down list/li
+li{...@link com.google.gwt.cell.client.TextCell TextCell} - a cell that  
displays HTML text/li
+li{...@link com.google.gwt.cell.client.TextInputCell TextInputCell} - a  
cell that provides text input/li

+ul
+/p
+
+pIn addition to cells, this package provides the following interfaces:
+ul
+li{...@link com.google.gwt.cell.client.HasCell HasCell}/li
+li{...@link com.google.gwt.cell.client.ValueUpdater ValueUpdater}/li
+li{...@link com.google.gwt.cell.client.FieldUpdater FieldUpdater}/li
+/ul
+/p
+/body
+/html
===
--- /dev/null
+++ /branches/2.1/user/src/com/google/gwt/user/cellview/client/package.html	 
Tue May 18 09:17:42 2010

@@ -0,0 +1,25 @@
+html
+body
+pThe cellview widget set.  The current widgets include:
+
+ul
+li{...@link com.google.gwt.user.cellview.client.CellList CellList} - a  
simple vertical list of items, rendered by a common

+...@link com.google.gwt.cell.client.Cell Cell}/li
+li{...@link com.google.gwt.user.cellview.client.CellTable CellTable} - a  
table in which each {...@link com.google.gwt.user.cellview.client.Column  
Column} is rendered by a

+common Cell.  The table may have headers and footers defined by the
+...@link com.google.gwt.user.cellview.client.Header Header} class.  The  
{...@link com.google.gwt.user.cellview.client.IdentityColumn IdentityColumn},  
{...@link com.google.gwt.user.cellview.client.TextColumn TextColumn}, and
+...@link com.google.gwt.user.cellview.client.TextHeader TextHeader} classes  
are provided for convenience./li
+li{...@link com.google.gwt.user.cellview.client.CellTree CellTree} - a tree  
in which all the children of a node are rendered

+by a common cell./li
+li{...@link com.google.gwt.user.cellview.client.CellBrowser CellBrowser} -  
a tree in which tree levels are displayed

+horizontally, with only a single node per level open at a time./li
+/ul
+/p
+p
+CellTable supports the notion of paging, which may be controlled by a
+...@link com.google.gwt.view.client.PagingListView.Pager Pager} such as
+...@link com.google.gwt.user.cellview.client.SimplePager SimplePager},  
{...@link com.google.gwt.user.cellview.client.PageSizePager PageSizePager}, or  
a user-defined subclass of

+...@link com.google.gwt.user.cellview.client.AbstractPager AbstractPager}.
+/p
+/body
+/html
===
--- /dev/null
+++

[gwt-contrib] [google-web-toolkit] r8176 committed - Add package javadoc for c.g.g.logging.client....


Revision: 8176
Author: j...@google.com
Date: Tue May 18 09:22:38 2010
Log: Add package javadoc for c.g.g.logging.client.

Patch by: jat
Review by: rice

http://code.google.com/p/google-web-toolkit/source/detail?r=8176

Added:
 /branches/2.1/user/src/com/google/gwt/logging/client/package.html

===
--- /dev/null
+++ /branches/2.1/user/src/com/google/gwt/logging/client/package.html	Tue  
May 18 09:22:38 2010

@@ -0,0 +1,5 @@
+html
+body
+Log handlers and related classes for java.util.logging support in GWT.
+/body
+/html

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[gwt-contrib] Re: Fix issue 3415 and other Date/Time parsing issues. (issue534801)

2010-05-18 Thread rchandia


LGTM


http://gwt-code-reviews.appspot.com/534801/diff/15001/16002
File user/test/com/google/gwt/i18n/client/impl/DateRecordTest.java
(right):

http://gwt-code-reviews.appspot.com/534801/diff/15001/16002#newcode76
user/test/com/google/gwt/i18n/client/impl/DateRecordTest.java:76: Date
date = new Date();
Would something like date = getMockDate(final int tzoffset) overriding
getTimezoneOffset() help testing specific timezones? Although I agree
that very, very few people would have a system with say, GMT +15 min.

http://gwt-code-reviews.appspot.com/534801/show

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[gwt-contrib] Have IE's DOMImpl invoke its event dispatching function via a (issue543801)


Reviewers: jgw,

Description:
Have IE's DOMImpl invoke its event dispatching function via a
round-trip through the window object. That way, the only reference
from DOM objects into GWT's code is on the window object, a
place IE is careful to clean up when the browser navigates to
a new page. This fixes a problem where the cross-site linker on
IE could lead to memory leaking across page refreshes.


Please review this at http://gwt-code-reviews.appspot.com/543801/show

Affected files:
  M user/src/com/google/gwt/user/client/impl/DOMImplTrident.java


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[gwt-contrib] Fixes a memory leak on IE with the cross-site fragment loading strategy. (issue544801)


Reviewers: jgw, jlabanca,

Description:
Fixes a memory leak on IE with the cross-site fragment loading strategy.
Now the callbacks on script tags are removed when they are invoked.


Please review this at http://gwt-code-reviews.appspot.com/544801/show

Affected files:
  M user/src/com/google/gwt/core/client/impl/CrossSiteLoadingStrategy.java


Index:  
user/src/com/google/gwt/core/client/impl/CrossSiteLoadingStrategy.java

===
--- user/src/com/google/gwt/core/client/impl/CrossSiteLoadingStrategy.java	 
(revision 8109)
+++ user/src/com/google/gwt/core/client/impl/CrossSiteLoadingStrategy.java	 
(working copy)

@@ -60,6 +60,18 @@
   Code download terminated);

   /**
+   * Clear callbacks on script objects. This is important on IE 6 and 7 to
+   * prevent a memory leak. If the callbacks aren't cleared, there is a  
cyclical
+   * chain of references between the script tag and the function callback,  
and

+   * IE 6/7 can't garbage collect them.
+   */
+  @SuppressWarnings(unused)
+  private static native void clearCallbacks(JavaScriptObject script) /*-{
+var nop = new Function('');
+script.onerror = script.onload = script.onreadystatechange = nop;
+  }-*/;
+
+  /**
* Clear the success callback for fragment codefragment/code.
*/
   @SuppressWarnings(unused)
@@ -88,8 +100,9 @@
  return;
}
var head = document.getElementsByTagName('head').item(0);
+
@com.google.gwt.core.client.impl.CrossSiteLoadingStrategy::clearOnSuccess(*)(fragment);
+
@com.google.gwt.core.client.impl.CrossSiteLoadingStrategy::clearCallbacks(*)(tag);

head.removeChild(tag);
-
@com.google.gwt.core.client.impl.CrossSiteLoadingStrategy::clearOnSuccess(*)(fragment);
 
loadfinishedhandl...@com.google.gwt.core.client.impl.asyncfragmentloader.loadterminatedhandler::loadTerminated(*)(

  exception);
  }
@@ -99,8 +112,9 @@
   JavaScriptObject tag) /*-{
  return function(code) {
var head = document.getElementsByTagName('head').item(0);
+
@com.google.gwt.core.client.impl.CrossSiteLoadingStrategy::clearOnSuccess(*)(fragment);
+
@com.google.gwt.core.client.impl.CrossSiteLoadingStrategy::clearCallbacks(*)(tag);

head.removeChild(tag);
-
@com.google.gwt.core.client.impl.CrossSiteLoadingStrategy::clearOnSuccess(*)(fragment);

__gwtModuleFunction.installCode(code);
  }
}-*/;


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[gwt-contrib] Re: Have IE's DOMImpl invoke its event dispatching function via a (issue543801)


This is ready for review.

http://gwt-code-reviews.appspot.com/543801/show

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[gwt-contrib] Re: Fixes a memory leak on IE with the cross-site fragment loading strategy. (issue544801)


This is ready for review. It's a tiny patch, and either of you would
seem appropriate to me.

Joel, this is a simpler memory leak than the one in the other patch I
sent you.

John, you recently reviewed a similar change to this class having to do
with handling on-load and on-error events.


http://gwt-code-reviews.appspot.com/544801/show

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[gwt-contrib] RFC: Localized Date/Time formatting

2010-05-18 Thread John Tamplin

Current GWT supports localized date/time formatting by providing predefined
and localized patterns derived from Unicode CLDR data, accessible through
DateFormat.get{Full,Long,Medium,Short}{Date,Time}Format().  However, these
cover only a small range of the sort of formatting you would like to be able
to perform.  For example, DatePicker hard-codes format patterns d and MMM
 for its needs, yet that means they don't get properly localized.
 Another complication is there is no guidance on formatting a combined
date/time value, as the order and connecting text differs between locales,
and there is no guidance as to what the customary format for a locale is
when you don't have specific needs.

CLDR has since added additional formats, named by the information that is
provided by them.  So for example, format yMMM maps to MMM, y in English,
but MMM y in German and MMMl y'x'G in French.  However, there are a lot
of possible variations, and not all locales define the same set.

ICU4J includes a
DateTimePatternGeneratorhttp://icu-project.org/apiref/icu4j/index.html?com/ibm/icu/text/DateTimePatternGenerator.htmlwhich
takes a pattern skeleton and chooses/modifies the locale-specific
pattern to best match what is requested.

I propose improving GWT's date/time formatting abilities in the following
ways:

   - create a new DateTimeFormatInfo interface to replace
   DateTimeFormatConstants
  - a default implementation DefaultDateTimeFormatInfo provides
  reasonable defaults and is useful for mocking
  - DateTimeFormatConstants would still be accepted by
DateTimeFormatand would be wrapped by an adapter
  - it will clean up some issues with DateTimeFormatConstants that make
  it hard to extend, like having an array of date and time formats and
  defining return values of numeric fields as strings
  - localized implementations will have some set of common formats
  defined, processing the patterns as DateTimePatternGenerator would at
  the time the CLDR data is imported to GWT
   - DateTimeFormat will have new static getters for the additional common
   formats.  The exact set is TBD, but something like:
  - DateTimeFormat getFormatDay()
  - DateTimeFormat.getFormatMonthDayAbbrev()
  - DateTimeFormat.getFormatYearMonthDayFull()
  - ...
  - This is chosen over having an enum passed into a
  getPredefinedFormat(PredefinedFormat) method for efficiency reasons,
  though perhaps improved enum optimizations will make that viable
   - add a new CustomDateTimeFormat interface which can be GWT.create'd to
   get localized patterns at compile time
  - example:
  public MyFormatters extends CustomDateTimeFormat {
 public static final MyFormatters INSTANCE =
  GWT.create(MyFormatters.class);

 @Pattern(yMMM) // or MMM, y etc, doesn't matter
 String yearMonthAbbrev();

 @Pattern(M/d/y hh:mm:ss) // again, what matters is the included
  fields and their sizes, not the order or separator characters
 DateTimeFormat timestamp();
  }

  dtf =
  DateTimeFormat.getInstance(MyFormatters.INSTANCE.yearMonthAbbrev());
  dtf.format(date);
  dtf = MyFormatters.INSTANCE.timestamp();
  ...
  - These patterns would still be processed at compile time and avoid
  runtime overhead
  - Returning DateTimeFormat will allow future optimizations that don't
  even parse the resulting pattern at runtime and reduce
boilerplate code at
  the callsite, though may not be appropriate for all uses
   - extend Messages support to allow specifying a pattern skeleton rather
   than a pattern to be used directly, something like:
   - @DefaultMessage(Your order will ship on {0,localizedDate,M/d/y})
  - This will be processed at compile time as well
  - Maybe we want to just rewrite all patterns supplied in date formats
  in Messages, but that would be a breaking change which would have to be
  carefully weighed

Comments?

-- 
John A. Tamplin
Software Engineer (GWT), Google

-- 
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[gwt-contrib] [google-web-toolkit] r8178 committed - Added an AppCacheWarmer that warms the AppEngine cache so that subsequ...


Revision: 8178
Author: gwt.mirror...@gmail.com
Date: Tue May 18 14:43:14 2010
Log: Added an AppCacheWarmer that warms the AppEngine cache so that  
subsequent requests do not suffer from a cold startup.


Review by: rj...@google.com
http://code.google.com/p/google-web-toolkit/source/detail?r=8178

Added:
  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/server/AppCacheWarmer.java

Modified:
 /branches/2.1/bikeshed/war/WEB-INF/appengine-web.xml

===
--- /dev/null
+++  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/server/AppCacheWarmer.java	 
Tue May 18 14:43:14 2010

@@ -0,0 +1,383 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may  
not
+ * use this file except in compliance with the License. You may obtain a  
copy of

+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,  
WITHOUT

+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations  
under

+ * the License.
+ */
+package com.google.gwt.sample.expenses.server;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * Warm an App-Engine App.
+ */
+public class AppCacheWarmer {
+
+  static class CountEmployees extends RequestObject {
+CountEmployees() {
+  super(COUNT_EMPLOYEES, new String[0]);
+}
+  }
+
+  static class CountEmployeesByDepartment extends RequestObject {
+CountEmployeesByDepartment(String department) {
+  super(COUNT_EMPLOYEES_BY_DEPARTMENT, new String[] {department});
+}
+  }
+
+  static class CountReports extends RequestObject {
+CountReports() {
+  super(COUNT_REPORTS, new String[0]);
+}
+  }
+
+  static class CountReportsBySearch extends RequestObject {
+CountReportsBySearch(long reporterKey, String department, String  
startsWith) {

+  super(COUNT_REPORTS_BY_SEARCH, new String[] {
+  reporterKey + , department, startsWith});
+}
+  }
+
+  static class FindAllEmployees extends RequestObject {
+FindAllEmployees() {
+  super(FIND_ALL_EMPLOYEES, new String[0]);
+}
+  }
+
+  static class FindAllExpenses extends RequestObject {
+FindAllExpenses() {
+  super(FIND_ALL_EXPENSES, new String[0]);
+}
+  }
+
+  static class FindAllReports extends RequestObject {
+FindAllReports() {
+  super(FIND_ALL_REPORTS, new String[0]);
+}
+  }
+
+  static class FindEmployeeEntries extends RequestObject {
+FindEmployeeEntries(int firstResult, int maxResults) {
+  super(FIND_EMPLOYEE_ENTRIES, new String[] {
+   + firstResult,  + maxResults});
+}
+  }
+
+  static class FindEmployeeEntriesByDepartment extends RequestObject {
+FindEmployeeEntriesByDepartment(String department, int firstResult,
+int maxResults) {
+  super(FIND_EMPLOYEE_ENTRIES_BY_DEPARTMENT, new String[] {
+  department,  + firstResult,  + maxResults});
+}
+  }
+
+  static class FindExpense extends RequestObject {
+FindExpense(String id) {
+  super(FIND_EXPENSE, new String[] {id});
+}
+  }
+
+  static class FindExpensesByReport extends RequestObject {
+FindExpensesByReport(String reportId) {
+  super(FIND_EXPENSES_BY_REPORT, new String[] {reportId});
+}
+  }
+
+  static class FindReport extends RequestObject {
+FindReport(String id) {
+  super(FIND_REPORT, new String[] {id});
+}
+  }
+
+  static class FindReportEntries extends RequestObject {
+FindReportEntries(int firstResult, int maxResults) {
+  super(FIND_REPORT_ENTRIES, new String[] {
+   + firstResult,  + maxResults});
+}
+  }
+
+  static class FindReportEntriesBySearch extends RequestObject {
+FindReportEntriesBySearch(Long employeeId, String department,
+String startsWith, String orderBy, int firstResult, int  
maxResults) {

+  super(FIND_REPORT_ENTRIES_BY_SEARCH, new String[] {
+   + employeeId, department, startsWith, orderBy,  +  
firstResult,

+   + maxResults});
+}
+  }
+
+  static class FindReportsByEmployee extends RequestObject {
+FindReportsByEmployee(Long id) {
+  super(FIND_REPORTS_BY_EMPLOYEE, new String[] { + id});
+}
+  }
+
+  /*
+   * Each subclass of the RequestObject represents a type of post request.
+   */
+  static class RequestObject {
+static int fetchedRequests = 0;
+final String operation;
+final String parameters[];
+
+RequestObject(String operation, String parameters[]) {

[gwt-contrib] [google-web-toolkit] r8179 committed - More demo tweaks:...


Revision: 8179
Author: j...@google.com
Date: Tue May 18 15:39:24 2010
Log: More demo tweaks:
- Fixed subtle field-shadowing bug in Momentum.
- Changed mobile apps to no longer try to use synthetic scrolling (too many  
problems on some devices).
- Removed body margin styles from common.css (was getting injected on  
mobile and causing layout problems).


Review by: rj...@google.com
http://code.google.com/p/google-web-toolkit/source/detail?r=8179

Modified:
 /branches/2.1/bikeshed/src/com/google/gwt/mobile/client/Momentum.java
  
/branches/2.1/bikeshed/src/com/google/gwt/sample/bikeshed/style/client/common.css
  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/client/ExpensesMobile.java
  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/client/ExpensesMobileShell.java
  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/client/ExpensesMobileShell.ui.xml

 /branches/2.1/bikeshed/war/Expenses.html
 /branches/2.1/bikeshed/war/Scaffold.html

===
--- /branches/2.1/bikeshed/src/com/google/gwt/mobile/client/Momentum.java	 
Fri May 14 13:11:53 2010
+++ /branches/2.1/bikeshed/src/com/google/gwt/mobile/client/Momentum.java	 
Tue May 18 15:39:24 2010

@@ -221,7 +221,7 @@

 currentOffset = new Point(initialOffset);
 previousOffset = new Point(initialOffset);
-velocity = adjustInitialVelocity(velocity);
+this.velocity = adjustInitialVelocity(velocity);

 if (isVelocityAboveThreshold(MIN_START_VELOCITY)) {
   decelerating = true;
===
---  
/branches/2.1/bikeshed/src/com/google/gwt/sample/bikeshed/style/client/common.css	 
Fri May 14 12:19:05 2010
+++  
/branches/2.1/bikeshed/src/com/google/gwt/sample/bikeshed/style/client/common.css	 
Tue May 18 15:39:24 2010

@@ -1,10 +1,4 @@
 /* global */
-body {
-  color: black;
-  margin: 8px;
-  margin-top: 3px;
-}
-
 body, table, td {
   font-family: Arial, sans-serif;
   font-weight: light;
===
---  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/client/ExpensesMobile.java	 
Fri May 14 08:28:05 2010
+++  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/client/ExpensesMobile.java	 
Tue May 18 15:39:24 2010

@@ -19,7 +19,7 @@
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.event.shared.HandlerManager;
 import com.google.gwt.sample.expenses.gwt.request.ExpensesRequestFactory;
-import com.google.gwt.user.client.ui.RootLayoutPanel;
+import com.google.gwt.user.client.ui.RootPanel;

 /**
  * Entry point for the mobile version of the Expenses app.
@@ -66,6 +66,6 @@

 final ExpensesMobileShell shell = new ExpensesMobileShell(eventBus,
 requestFactory);
-RootLayoutPanel.get().add(shell);
+RootPanel.get().add(shell);
   }
 }
===
---  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/client/ExpensesMobileShell.java	 
Mon May 17 08:10:09 2010
+++  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/client/ExpensesMobileShell.java	 
Tue May 18 15:39:24 2010

@@ -19,15 +19,15 @@
 import com.google.gwt.dom.client.Element;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.shared.HandlerManager;
-import com.google.gwt.mobile.client.MobileScrollPanel;
 import com.google.gwt.sample.expenses.gwt.request.ExpenseRecord;
 import com.google.gwt.sample.expenses.gwt.request.ExpensesRequestFactory;
 import com.google.gwt.sample.expenses.gwt.request.ReportRecord;
 import com.google.gwt.uibinder.client.UiBinder;
 import com.google.gwt.uibinder.client.UiField;
 import com.google.gwt.uibinder.client.UiHandler;
+import com.google.gwt.user.client.ui.Composite;
 import com.google.gwt.user.client.ui.HTML;
-import com.google.gwt.user.client.ui.ResizeComposite;
+import com.google.gwt.user.client.ui.SimplePanel;
 import com.google.gwt.user.client.ui.Widget;

 import java.util.ArrayList;
@@ -35,12 +35,12 @@
 /**
  * TODO.
  */
-public class ExpensesMobileShell extends ResizeComposite {
+public class ExpensesMobileShell extends Composite {

   interface ShellUiBinder extends UiBinderWidget, ExpensesMobileShell { }
   private static ShellUiBinder BINDER = GWT.create(ShellUiBinder.class);

-  @UiField MobileScrollPanel container;
+  @UiField SimplePanel container;
   @UiField HTML backButton, addButton, refreshButton, customButton;
   @UiField Element titleSpan;

@@ -194,7 +194,6 @@
 }

 container.add(page.asWidget());
-container.setScrollTop(0);

 titleSpan.setInnerText(page.getPageTitle());
 backButton.setVisible(pages.size()  1);
===
---  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/client/ExpensesMobileShell.ui.xml	 
Fri May 14 08:28:05 2010
+++  
/branches/2.1/bikeshed/src/com/google/gwt/sample/expenses/gwt/client/ExpensesMobileShell.ui.xml	 
Tue May 18 15:39:24 2010

@@ -6,21 +6,14 @@

   ui:style field='mobile'

[gwt-contrib] [google-web-toolkit] r8180 committed - Bumped up version number, and added auth on appEngine....