AJAX crawling scheme

[Danny]

Hey guys,

I've read over at 
https://developers.google.com/webmasters/ajax-crawling/docs/getting-startedthat 
in order to make a GWT app more SEO-able, that we simply replace the 
original "#" with "#!" in all of our URLs. I can't figure out the best way 
to do this though in an Activities and Places project.

Any and all help greatly appreciated.

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RPC fails when in production mode if using Oracle JDK 7

[Danny]

Hi guys,

Here's my configuration:

   - Mac OS X 10.7
   - JDK 7 (OS Default) - using Oracle JDK
   - GWT 2.5

I've simply created a project using the GPE (i.e. GreetingService etc). I 
make no changes to the GPE created starter code.

The default java version on my Mac is set to Oracle's JDK 7. Everything 
works fine when debugging in development mode (using either the built-in 
Jetty server or when running using the '-noserver' switch with Tomcat 7). 
However, when I compile the application and deploy to Tomcat 7 in 
production mode, the RPC fails with the following message: 

"An error occurred while attempting to contact the server. Please check 
your network connection and try again."

When I change the project facet in Eclipse to Java 6, it works in both 
development and production modes. What's going on here?

Thanks in advance!

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Re: Super Dev Mode : Cannot get module to compile with -workDir

[Danny Kirchmeier]

On Tuesday, June 12, 2012 1:43:09 PM UTC-5, Brian Slesinsky wrote:
>
> When it hangs, could you try running "jstack" on the process to get a 
> thread dump?
>

Well, now it appears to be working. I haven't updated the code with a new 
version, so I don't know what happened.

If it happens again, I'll post the thread dump and file a bug report.

--Danny

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Super Dev Mode : Cannot get module to compile with -workDir

[Danny Kirchmeier]

I'm trying out the new Super Dev Mode from the trunk. While I can get the 
codeserver to compile the module normally, it hangs when I specify -workDir.

Am I doing something wrong, or do I need to file a bug report? 

Ant Target:

  

  
  
  





  


Output:
deleting: ~/foo/myWorkDir/my.test.FooBar/compile-1
workDir: ~/foo/myWorkDir
binding: user.agent=safari
binding: compiler.useSourceMaps=true
binding: locale=en
Compiling module my.test.FooBar

Directory contents
$ pwd ; ls
~/foo/myWorkDir/my.test.FooBar/compile-1 
compile.log   war




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Re: How to determine *at runtime* which permutation is used?

[Danny Kirchmeier]

You can use 
GWT.getPermutationStrongName()

You can choose to write that to the screen like so
RootPanel.get().add(new Label(GWT.getPermutationStrongName()));

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Re: MenuBar - how can I cause it to wrap?

[Danny Kirchmeier]

The MenuBar uses a table, with each item being a table cell. AFAIK, you're 
not going to have any luck getting that to wrap. 

You should be able to check to see if any of the items are flowing out of 
the window and have those move themselves into a "More" menu item. 

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Re: Basic JavaScript onClick not getting called from inside GWT richTextarea

[Danny Kirchmeier]

No idea. Seems to me that you should be using an Anchor and ClickHandlers 
instead of that native method, but I may not understand exactly why you 
need that.

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Re: Using DockPLayoutPanel - can I get an autoexpanding south widget?

[Danny Kirchmeier]

>
> Now, my initial instinct is to somehow try and determine whether or  not 
> the FlowPanel needs to vertically resize (how do I determine this?  Can it 
> be determined?) and then use DockLayoutPanel.setWidgetSize to perform the 
> resizing "manually". 

 
Sounds like a good approach. On the bottom flow panel, you can use 
element.getScrollHeight()
 and 
either getOffsetHeight or getClientHeight(I can't remember, sorry), to 
determine if you need to expand the flow panel. You should check this when 
the window is resized or when an item is added. When the scroll height is 
larger than the offset/client height, use DockLayoutPanel.setWidgetSize to 
resize the panel.

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Re: Basic JavaScript onClick not getting called from inside GWT richTextarea

[Danny Kirchmeier]

Did you ever call exportMyFunction2?

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Re: CellList grid

[Danny Kirchmeier]

It's a bit of a hack, but since the cell list is just a list of Divs, you 
can use the CSS3 columns (but watch out, IE9 doesn't support this, and only 
the most recent version of opera does)

public void setColumns(int columns) {
if(columns < 1) columns = 1;

Style style = cellList.getElement().getStyle();
String cols = String.valueOf(columns);
/* You could used deferred binding here if you weren't lazy */
style.setProperty("MozColumnCount", cols);
style.setProperty("WebkitColumnCount", cols);
style.setProperty("columnCount", cols);
}

public void setColumnPadding(int width) {
if(width < 0) width = 0;

Style style = cellList.getElement().getStyle();
style.setProperty("MozColumnGap", width, Style.Unit.PX);
style.setProperty("WebkitColumnGap", width, Style.Unit.PX);
style.setProperty("columnGap", width, Style.Unit.PX);
}

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Re: Ok, CssResources and ClientBundle, what am I doing wrong?

[Danny Kirchmeier]

Does your Style1.css now say this:

@external .gwt-Button;
.gwt-Button{
background: black;
color: cyan;
}

Don't forget the semicolon at the end of the @external line. I forgot it 
the first few times I used it. It causes no error to be thrown and next 
style to be completely ignored. 

It worked for me, so hopefully that is your issue.

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Re: Possible to get HTML from a widget?

[Danny Kirchmeier]

Maybe you'll want to be using the GWT 2.4 docs instead of the GWT 1.4 docs 
you seem to have.
http://google-web-toolkit.googlecode.com/svn/javadoc/2.4/index.html

Anyway, from the Widget you can call 
widget.getElement()<http://google-web-toolkit.googlecode.com/svn/javadoc/2.4/com/google/gwt/user/client/ui/UIObject.html#getElement()>
 and 
from that element you can call 
element.getString()<http://google-web-toolkit.googlecode.com/svn/javadoc/2.4/com/google/gwt/dom/client/Element.html#getString()>,
 
which will get you the full html, including it's own tag.

-- Danny

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Re: can I use Class.forName and newInstance in GWT ?

[Danny Goovaerts]

No, you cannot.

Dynamically instantiating classes would invalidate some of the goals
of the GWT compiler.
The GWT compiler builds a javascript application that only contains
code for the actual call graph of your application.
If you would be able to instantiante classes from arbitray Strings, it
cannot determine the call graph anymore.

This is not really a limitation. You can overcome this by using
factories that create instances of a particular class given its name
using a simple string comparison
and GWT.create(). Of course, you need to know all at development time
all the possible classes that you might need to instantiate. If later
you want to add support
for another class, you need to change the code and rebuild. But in
that situation, you probably need to add additional logic to your app
anyway.
Unless of course your app is completely dynamic, but in that case you
should ask yourself the question if GWT is the technology to use.

Regards,

Danny

On 30 dec, 09:11, Didier Durand  wrote:
> Hi,
>
> You can't: if you go 
> tohttp://code.google.com/webtoolkit/doc/latest/RefJreEmulation.html#Pac...
> for Class, you will see that forName() is not emulated by GWT.
>
> regards
>
> didier
>
> On Dec 30, 7:33 am, metalhammer29a  wrote:
>
>
>
>
>
>
>
> > can I use Class.forName and newInstance in GWT ?
>
> >    static Employee create (String name) {
> >        try {
> >            return (Employee) Class.forName(name).newInstance();
> >        } catch (Exception e) {
> >            throw new IllegalArgumentException ("Unable to instantiate"
> > + name);
> >        }
> >    }

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No GWT support found for this system.

[danny]

OS:  MacOS 10.6.4
Eclipse:  Eclipse IDE for SOA Developers Version: Helios Release Build
id: 20100617-1415
GWT: 2.0.4

I get the following error when attempting to open with windowbuilder
editor:

No GWT Support found for this system
The product can't find support for the OS, OS architecture or
windowing system you're using. Please check the prerequisites and if
your system matches it, try to re-install product.

I've tried reinstallingany ideas?

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Is GWT application gallery still maintained?

[Danny Goovaerts]

I've uploaded my application on http://gwtgallery.appspot.com/ more
than a week ago and it still does not have appeared in the gallery.
The most addition dates from June 7. Is this gallery still maintained?

Thanks,
Danny
www.cellamea.eu

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Re: Ecryption best practices (server side, client side, password handling)?

[Danny Goovaerts]

Stefan has allready made some very good comments so I'm not going to
repeat them.
Some more additional thoughts.

Regarding encrypting the data in the database. If a user does not
trust you (yourself and any of the people that have access to your
server) to look at his data in the database,
why would he trust you when you make the claim that his data is
encrypted in the database? Furthermore, encrypting the data precludes
providing any form of application
level support to your users. Unless your service is exactly providing
extremely secure storage of confidential data, I dont' see any reason
for encrypting the data in the database and in that case you should
find some security experts to assist you.
This of course does not mean that you should not take precautions
against data being accessed by unauthorized people or data being
disclosed. But that falls
under traditional secure server deployment.

I'm afraid that there is no easy and proven solution to protect the
confidentiality and integrity of  Internet based communication without
https. The SSL//TLS protocols have been scrutinized by security
experts. Unless you are such an expert, don't
think that you can come up with something that is solid enough. I
personally would not trust any security measure that has not been
published and analysed by the security and encryption community.

Danny
www.cellamea.eu


On 1 aug, 17:06, Stefan Bachert  wrote:
> Hi Sven,
>
> i did have similar thought in the past.
> Encrypting the database base would solve any "Datenschutz" data
> protection topic since the application provider would not be able to
> even read the data of his customers.
> However, I do not see any easy solution, yet. Just encrypting any
> database data would destroy any orderings on indexes.
> It would work when only using equivalence, but this is a hard limit.
>
> The point of encryption should be the server.
> When you doing encryption on client side you must offer the encryption
> and decryption algo, too.
> So it is likely to loose more than to win. (And it is difficult to
> implement encryption without having an integral data type as it is the
> case with javascript).
>
> To hash the password on client side is equivalent as to put the
> password in clear to the database.
> You loose security when doing so. Any attacker would just send the
> encrypted password, may be to a similar service using the same
> approach!
>
> Any attacker could substitude the browser and code when he has a legal
> access to the service.
> So he can get the encryption algo and apply it to other users.
>
> The only thing which is under your control is the server.
>
> Stefan Bachert
> http::/gwtworld.de
>
> Inquiries for professional GWT support are welcome.
> I am sorry, I won't do free personal support.
>
> On 31 Jul., 19:07, Sven  wrote:
>
>
>
> > Dear group,
>
> > I want to extend a GWT/GAE application by offering the option to
> > encrypt information entered by the user on client side in the
> > database. The goal is to increase trust when storing potentially
> > sensitive data, e.g. to prevent that people who have access to the DB
> > (like me) have read access to the stored information.
>
> > For client-side encryption using GWT I found this 
> > post:http://www.mooreds.com/wordpress/archives/000529
>
> > However, others do not even recommend to compute password hashs on the
> > client and propose to do that on the 
> > server:http://www.owasp.org/index.php/Hashing_Javahttp://stackoverflow.com/q..
>
> > From user's perspective, I would not be comfortable with transmitting
> > my data unencrypted to the server (even using HTTPS), as the server-
> > side may for example log my information (and my password!). Especially
> > for the password-part I would feel unconfortable, as many people tend
> > to reuse their passwords (please no discussion about this :-)).
>
> > Currently, I see two options:
> > a) Encrypt and decrypt the information on the client using JS/GWT.
> > Pro: The password never leaves the browser, the unencrypted
> > information never leaves the browser. Con: Depending on the size of
> > the data the encryption/decryption may be slow; if loaded via HTTP,
> > the JS code may be compromised, etc.
> > b) Encrypt and decrypt the information on the server. Pro: Fast. Con:
> > The information is transmitted unencrypted.
>
> > What would be your recommendation?
>
> > In case of server-side encryption, would it make sense to hash the
> > password on client side and to use the hash to encrypt/decrypt? Or
> > would that be a no-go?
>
> > What happens if the user forgets his/her password? All data lost, I

Re: Do we have any Library for OpenID autentication(Authentication using Google accounts/Face book etc.)

[Danny Goovaerts]

I've implemented support for openID with special case for Google and
Yahoo mail (www.cellamea.eu).

I've written a servlet that uses openid4java to interact with the
openid providers. I can make the code available. On this moment,
it's not packaged in an isolated way, so it's not usable out of the
box, but it shows what you need to do.

I wanted also to provide support for Facebook, MSN, LinkedIn etc...
but I don't think that they are pure openid providers and I have not
yet found the time
to investigate the peculiarities of their authentication protocol.

Another possibility is to look at Janrain Engage , formerly known as
RPX (www.janrain.com). They support a whole variety of authentication
providers (that's their business).
I looked at it at the time, but I could not figure out how to
integrate it with a GWT frontend (interacting from GWT with the
Janrain's popup), and with my backend. It would be great if Janrain
could provide a GWT
integration. Anyone from Janrain on this mailing list?


On 29 jul, 07:00, V M  wrote:
> Hello GWT Users,
>
> I am just wondering if we have any Library to do authentication using OpenID
> providers like Google accounts/Facebook.
>
> Here is what i am trying to do:
>
> * Create a site which needs log-in widget/page/module to customize UI for
> Users.
>
> What is the best way to create a Login form in this case?
>
> I appreciate if you could point me to some examples.
>
> Thanks in advance.
>
> -V M

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Re: XML Validation directly

[Danny Goovaerts]

I use saxon from Michael Kay  (www.saxonica.com) for programmatic XML
validation. It's very good, but it does not proivided much more
detailed error messages.

You mention that you need this during development time. Do you want to
validate XML files that you
construct by hand before using them in your application? In that case,
I would suggest to invest in a XML editor that provides
validation. These generally provide much more detailed error messages,
including the line numbers where the error occurs.
 I use XML Studio from Progress, but there are others out there
(Altova XML Spy, probably also some open source or  Eclipse plug ins).
The investment in the license has been paid back multiple times in
saved effort.


On 28 jul, 23:52, John Ivens  wrote:
> Okay, I tried one which produces some pretty bad messages, I will search for
> something better, maybe xerces.
>
>
>
> On Mon, Jul 26, 2010 at 5:59 PM, Jeff Chimene  wrote:
> > On 07/26/2010 04:09 PM, John Ivens wrote:
> > > I know that this is off topic for GWT, but if anyone knows of how to
> > > validate an XML file directly by using something like Apache Commons
> > > Validation, but without needing to create a bean or a form, I would
> > > appreciate knowing about it.  Basically, we have XML files that we would
> > > like to validate directly out of XML, but using a validation in XML (in
> > > a seperate or the same file).  The reason we want to do this is that
> > > during development we would like to have a very quick way of generating
> > > validation without needing to be constantly updating screens and forms,
> > > just change the XML (in one file or two, depending on what resources are
> > > out there).
>
> > > Thanks in advance...
>
> > Any validating parser will do what you want. hint: the google search
> > term is in this answer.
>
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> > .
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> > .
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GWT service to manage your wine cellar on line

[Danny Goovaerts]

 these types
in your
ValueObjects. These definitions are translated into
Java enumerations and GWT ConstantsWithLookup interfaces/property
files, such that you can work with expressions such as WineColor.RED
or
wine_color().get(wine.getColor.getCode()) to get the locale specific
description.

I want to express my deep gratitude and high esteem to the GWT team
and all the people that have contributed to it.
Without GWT, I would never be able to build this!

Have fun!

Danny Goovaerts
www.cellamea.eu
www.oobikwe.eu

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Re: Mixed content warning on Chrome (skull and bones)

[Danny Goovaerts]

Thanks,
I'll go for the cache-control public solution that you suggest such
that the users can be confident about the confidentiality.
I've tested with FF3 and IE7. These browsers seem to persistently
cache the js when cache-control public is set on the reply headers.
I don't know about Chrome. Speedtracer shows "From cache :false" but I
do find the components in the cache.
I don't know how the mobile browser handle it, but the js files are
probably too big anyway to be cached.

Danny

On 14 jul, 22:30, lineman78  wrote:
> Agreed, I had not thought of the caching issue, although this could
> also be fixed by having your server set the cache-control header to
> public when serving static content(doesn't work in FF2).  An example
> of how to do this can be seen here:
>
> http://onjava.com/pub/a/onjava/2004/03/03/filters.html
>
> While I agree that the icon may be a little scary to uninformed users,
> I think it is probably better that way for the reasons I specified
> before.  At the same time, I wish both IE and Chrome would specify
> which parts of the page are not secure so that advanced users can know
> if there is something fishy going on.  Just last night I had 2 of my
> friends who are very non-technical ask me about security when it comes
> to using free wifi.  They have no clue what SSL is and it is much
> easier for me to tell them to not put in any sensitive information
> unless there is a lock icon on their screen.  In your purposes you are
> only loading javascript that has not data through an unencrypted
> connection, but what is to keep you from doing jsonp and sending
> unencrypted data, which from the browsers perspective looks exactly
> the same, loading a javascript file.  But from the users perspective
> one is sending personal information over an unencrypted connection and
> they should be notified because it is fairly serious.
>
> On Jul 14, 1:51 pm, Danny Goovaerts  wrote:
>
>
>
> > I'm not worried about the overhead for the encryption. I want to load
> > the js over http because browsers do not cache content  that is loaded
> > over https. As my application is fairly large (800k, split into
> > several deferred pieces, some of which are 200k) I want to have it
> > cached as much as possible. This is not such an issue when using the
> > application over Wifi, but it can be an issue when using it on mobile
> > devices, provided they that they do caching of decent sized components
> > (seehttp://www.yuiblog.com/blog/2010/06/28/mobile-browser-cache-limits/
> > ).
>
> > I'd just whish that Google had picked another icon than the red skull
> > and bones.
>
> > On 14 jul, 20:30, lineman78  wrote:
>
> > > I believe this is expected behavior, even gmail does this if you have
> > > https turned on.  What is keeping you from using https for loading the
> > > js?  The browser doesn't know that the request you are sending doesn't
> > > contain any sensitive data, therefore this is a desired behavior as
> > > usually there is not real reason not to make a request once an SSL
> > > session has been established because at that point a symmetric block
> > > cipher is used which has very little overhead.
>
> > > On Jul 14, 10:17 am, Danny Goovaerts 
> > > wrote:
>
> > > > I've deployed my GWT application over https. To allow caching of the
> > > > javascript files, I load the bootstrap script over http :
>
> > > > http://www.cellamea.eu/cellamea/</a>
> > > > cellamea.nocache.js">
>
> > > > As expected, this gives a"mixed content warning" on Internet Explorer.
> > > > On Firefox and Safari, the site loads normally.
> > > > On Chrome (version 6.0.458.1 dev) however, I get a red "skull and
> > > > bones" icon in the URL address bar instead of the green padlock icon.
> > > > I think that this is even more scary for the users than the mixed
> > > > content warning on IE.
>
> > > > Is this the expected behaviour on Chrome or do should I do something
> > > > different?
>
> > > > Thanks in advance,
>
> > > > Danny

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Re: Mixed content warning on Chrome (skull and bones)

[Danny Goovaerts]

I'm not worried about the overhead for the encryption. I want to load
the js over http because browsers do not cache content  that is loaded
over https. As my application is fairly large (800k, split into
several deferred pieces, some of which are 200k) I want to have it
cached as much as possible. This is not such an issue when using the
application over Wifi, but it can be an issue when using it on mobile
devices, provided they that they do caching of decent sized components
(see http://www.yuiblog.com/blog/2010/06/28/mobile-browser-cache-limits/
).

I'd just whish that Google had picked another icon than the red skull
and bones.

On 14 jul, 20:30, lineman78  wrote:
> I believe this is expected behavior, even gmail does this if you have
> https turned on.  What is keeping you from using https for loading the
> js?  The browser doesn't know that the request you are sending doesn't
> contain any sensitive data, therefore this is a desired behavior as
> usually there is not real reason not to make a request once an SSL
> session has been established because at that point a symmetric block
> cipher is used which has very little overhead.
>
> On Jul 14, 10:17 am, Danny Goovaerts 
> wrote:
>
>
>
> > I've deployed my GWT application over https. To allow caching of the
> > javascript files, I load the bootstrap script over http :
>
> > http://www.cellamea.eu/cellamea/</a>
> > cellamea.nocache.js">
>
> > As expected, this gives a"mixed content warning" on Internet Explorer.
> > On Firefox and Safari, the site loads normally.
> > On Chrome (version 6.0.458.1 dev) however, I get a red "skull and
> > bones" icon in the URL address bar instead of the green padlock icon.
> > I think that this is even more scary for the users than the mixed
> > content warning on IE.
>
> > Is this the expected behaviour on Chrome or do should I do something
> > different?
>
> > Thanks in advance,
>
> > Danny

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Mixed content warning on Chrome (skull and bones)

[Danny Goovaerts]

I've deployed my GWT application over https. To allow caching of the
javascript files, I load the bootstrap script over http :

http://www.cellamea.eu/cellamea/</a>
cellamea.nocache.js">

As expected, this gives a"mixed content warning" on Internet Explorer.
On Firefox and Safari, the site loads normally.
On Chrome (version 6.0.458.1 dev) however, I get a red "skull and
bones" icon in the URL address bar instead of the green padlock icon.
I think that this is even more scary for the users than the mixed
content warning on IE.

Is this the expected behaviour on Chrome or do should I do something
different?


Thanks in advance,

Danny

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Re: the button and its infoLabel problem...

[Danny Goovaerts]

I think that you need a deferred command to handle this. Limit your
clickhandler to set the infoLabel to "Beginning" and then launch a
deferred command who's execute method performs the search and then
updates the label.
In this way, the execution thread will finnish, causing the screen to
be updated with the beginning label and then only the defrred command
will be executed.

On 8 jul, 05:26, Shelley  wrote:
> thank Andreas and Aditya for your explanation.
>
> however the problem has nothing to do with RPC, the "search operation"
> i mentioned above is simply a local operation such as sort a large
> chunk of data which will take seconds to completed. meanwhile the
> client is unresponsive until the click OnClick() is completed, you can
> simply simulate this situation by doing a " while loop".
>
> is there other way i can see the "beginning..." ? or GWT has the
> ability to make UI responsive when it doing a time-consuming operation
> in client?
>
> thanks.
>
> -Shelley
>
> On Jul 7, 8:44 pm, andreas  wrote:
>
>
>
> > HeyShelley,
>
> > a bit of further information is missing but may it be that you issue
> > an RPC between infoLabel.setText("Beginning"); and
> > infoLabel.setText("Completed");?
>
> > If so you simply forgot the async nature of GWT RPC. Your code in
> > onClick(...) will not sort of stop or wait until the RPC finishes and
> > continue afterwards. That's why infoLabel.setText("Completed");
> > will be immediately executed after infoLabel.setText("Beginning");
> > and you're simply "way to slow" to see it.
>
> > What you could do instead is call infoLabel.setText("Completed");
> > in your onSuccess(...) in case I'm right with RPC or in the callback
> > of whatever request you do for your search operation.
>
> > Andreas
>
> > On 7 Jul., 10:22,Shelley wrote:
>
> > > hello all:
> > >    i came across a strange problem which seems quite simple:
>
> > >    i have a button and a label on a panel, the button has been
> > > registered a listener:
>
> > >   Button searchButton = new Button( "Search" );
> > >         searchButton.addClickHandler( new ClickHandler()
> > >         {
> > >             @Override
> > >             public void onClick( ClickEvent event )
> > >             {
> > >                 infoLabel.setText("Beginning");
> > >                 //do a search operation here which will take more than
> > > 5 seconds...
> > >                 infoLabel.setText("Completed...");
> > >             }
> > >         } );
>
> > > that's all, but i never see the "Beginning“ on the label, but only
> > > see the "completed...", seem the label will not refresh it's text
> > > until onClick is  finished? how can i achieved the function that
> > > display "beginning..." first and "Completed..." when the operation
> > > completed?
>
> > > thanks in advance.
>
> > > -Shelley

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Re: GWT and CSS

[Danny Goovaerts]

Magnus,

standard.css is "added" after your style sheets are loaded. Unless
your style definitions are more selective that the definitions in
standard.css, the definitions in standard.css take precedence.
There are to possible solutions

- make your selectors more precise(googleon css priority for detailed
descriptions, much better that I could do here)
- mark your style definition as !important, for example, that's how I
override the settings for .gwt-button

.authenticate-button {
  background: white none  !important ;
  margin:2px !important;
}

Danny

On Jun 16, 8:54 pm, Magnus  wrote:
> Hi Sven,
>
> I think that's an issue for me. When I use addStyleName with padding/
> margin, it has no effect. I guess it's overwritten. However, copying
> the standard.css sounds not nice to me. Isn't there another
> (programmatical) solution?
>
> Magnus
>
> On Jun 16, 1:35 pm, Sven  wrote:
>
>
>
> > Hi Magnus,
>
> > > So what is the way one should use CSS? Is it possible to "inherit" a
> > > style into another style, e. g. "my-button" inherits "gwt-Button", so
> > > that I just add my adjustments?
>
> > just try to use addStyleName() instead of setStylePrimaryName(). By
> > this you preserve the default standard.css styling of your elements
> > and you can add additional formatting. More specific, the button would
> > still have the class gwt-Button followed by your specific class which
> > you can add to any CSS file linked in the main page.
>
> > However, as GWT adds its standard.css as last css file you may still
> > experience strage overruling of your styles (using Firebug helps to
> > understand what is overruled by what).
>
> > If that standard.css overruling is an issue for you, my blog post
> > "GWT's standard.css killed my page layout" may help you:
>
> >    http://ililiililililii.blog.de/2010/05/12/gwt-s-standard-css-killed-m...
>
> > Sven

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Re: ClickHandler not called on second click

[Danny Goovaerts]

I think that I have found the underlying cause. In the ClickHandler, I
disable and enable the button. This incorrectly sets the state of the
button which then leads to the ClickHandler not being called.

I have a workaround in my application by not reenabling the button in
the ClickHandler if it already is enabled.

For reference :
see issues 
http://code.google.com/p/google-web-toolkit/issues/detail?id=2885&q=button%20click%20twice
and 
http://code.google.com/p/google-web-toolkit/issues/detail?id=4992&q=clickhandler%20pushbutton

On Jun 3, 8:52 am, Danny Goovaerts  wrote:
> I have filed an issue 4993 for this in the issue tracker.
>
> On Jun 2, 9:37 pm, Danny Goovaerts  wrote:
>
>
>
> > I managed to isolate the code in a few classes which reproduce the
> > problem.
>
> > Can I upload a zipfile (15k) somewhere?
>
> > On Jun 2, 5:27 pm, Olivier Monaco  wrote:
>
> > > Danny,
>
> > > What your click handler does? May be it puts some (transparent)
> > > element in front of the button... How do you use the PushButton? What
> > > is the exact structure of panels? You need to build a test case to us
> > > help you.
>
> > > Olivier
>
> > > On 2 juin, 08:02, Danny Goovaerts  wrote:
>
> > > > I have not yet been able to isolate the code while reproducing the
> > > > problem. It's probably related to the actual structured of the page.
> > > > But I managed to get some more information using the debugger.
>
> > > > - The problem occurs when using a PushButton (constructed using the
> > > > constructor PushButton(Image image)), not when using a simple Button
> > > > - In the class CustomButton when the method onBrowserEvent is called
> > > > for a MOUSUP event :
> > > > ...
> > > > case Event.ONMOUSEUP:
> > > >         if (isCapturing)
> > > >           isCapturing = false;
> > > >           DOM.releaseCapture(getElement());
> > > >           if (isHovering() && event.getButton() == Event.BUTTON_LEFT)
> > > > {
> > > >             onClick();
> > > >           }
> > > >         }
> > > >         break;
> > > > ...
>
> > > > isHovering() returns true at the first click while it returns false at
> > > > the subsequent clicks
>
> > > > The method isHovering is implemented as follows
>
> > > > final boolean isHovering() {
> > > >     return (HOVERING_ATTRIBUTE & getCurrentFace().getFaceID()) > 0;
> > > >   }
>
> > > > At the first click getCurrentFace().getFaceID()) evaluates to 3, while
> > > > at the subsequent clicks, it evaluates to 1.
> > > > So there is probably something wrong in setting the correct face in
> > > > the particular situation.
>
> > > > I hope that this can provide enough information to find the real root
> > > > cause.
>
> > > > Danny
>
> > > > On Jun 1, 6:21 pm, Danny Goovaerts  wrote:
>
> > > > > My application is quite large. The button is several "levels" deep,
> > > > > i.e. in a FlowPanel which itself is in a HorizontalPaneI in a hierachy
> > > > > of divs. I will try to isolate while still reproducing the error.
> > > > > I would also try to step through the code in a debugger, but
> > > > > unfortunaly for this I need to move the mouse from the page to
> > > > > Eclipse, which prevents from reproducing the error.
> > > > > Danny
>
> > > > > On Jun 1, 4:17 pm, Ranjan  wrote:
>
> > > > > > Something like that should not have gone unnoticed for so long. 
> > > > > > Could
> > > > > > you post your code snippet?
>
> > > > > > On Jun 1, 12:07 pm, Olivier Monaco  wrote:
>
> > > > > > > Danny,
>
> > > > > > > I had no problem (in dev mode). Here is my test case:
>
> > > > > > >     public void onModuleLoad()
> > > > > > >     {
> > > > > > >         Button b = new Button("click me");
> > > > > > >         b.addClickHandler(new ClickHandler()
> > > > > > >         {
> > > > > > >             @Override
> > > > > > >             public void onClick(ClickEvent event)
> > > > > > >             {
> > > > > > >                 RootPanel.get().add(new Label("clicked"));
&g

Re: ClickHandler not called on second click

[Danny Goovaerts]

I have filed an issue 4993 for this in the issue tracker.

On Jun 2, 9:37 pm, Danny Goovaerts  wrote:
> I managed to isolate the code in a few classes which reproduce the
> problem.
>
> Can I upload a zipfile (15k) somewhere?
>
> On Jun 2, 5:27 pm, Olivier Monaco  wrote:
>
>
>
> > Danny,
>
> > What your click handler does? May be it puts some (transparent)
> > element in front of the button... How do you use the PushButton? What
> > is the exact structure of panels? You need to build a test case to us
> > help you.
>
> > Olivier
>
> > On 2 juin, 08:02, Danny Goovaerts  wrote:
>
> > > I have not yet been able to isolate the code while reproducing the
> > > problem. It's probably related to the actual structured of the page.
> > > But I managed to get some more information using the debugger.
>
> > > - The problem occurs when using a PushButton (constructed using the
> > > constructor PushButton(Image image)), not when using a simple Button
> > > - In the class CustomButton when the method onBrowserEvent is called
> > > for a MOUSUP event :
> > > ...
> > > case Event.ONMOUSEUP:
> > >         if (isCapturing)
> > >           isCapturing = false;
> > >           DOM.releaseCapture(getElement());
> > >           if (isHovering() && event.getButton() == Event.BUTTON_LEFT)
> > > {
> > >             onClick();
> > >           }
> > >         }
> > >         break;
> > > ...
>
> > > isHovering() returns true at the first click while it returns false at
> > > the subsequent clicks
>
> > > The method isHovering is implemented as follows
>
> > > final boolean isHovering() {
> > >     return (HOVERING_ATTRIBUTE & getCurrentFace().getFaceID()) > 0;
> > >   }
>
> > > At the first click getCurrentFace().getFaceID()) evaluates to 3, while
> > > at the subsequent clicks, it evaluates to 1.
> > > So there is probably something wrong in setting the correct face in
> > > the particular situation.
>
> > > I hope that this can provide enough information to find the real root
> > > cause.
>
> > > Danny
>
> > > On Jun 1, 6:21 pm, Danny Goovaerts  wrote:
>
> > > > My application is quite large. The button is several "levels" deep,
> > > > i.e. in a FlowPanel which itself is in a HorizontalPaneI in a hierachy
> > > > of divs. I will try to isolate while still reproducing the error.
> > > > I would also try to step through the code in a debugger, but
> > > > unfortunaly for this I need to move the mouse from the page to
> > > > Eclipse, which prevents from reproducing the error.
> > > > Danny
>
> > > > On Jun 1, 4:17 pm, Ranjan  wrote:
>
> > > > > Something like that should not have gone unnoticed for so long. Could
> > > > > you post your code snippet?
>
> > > > > On Jun 1, 12:07 pm, Olivier Monaco  wrote:
>
> > > > > > Danny,
>
> > > > > > I had no problem (in dev mode). Here is my test case:
>
> > > > > >     public void onModuleLoad()
> > > > > >     {
> > > > > >         Button b = new Button("click me");
> > > > > >         b.addClickHandler(new ClickHandler()
> > > > > >         {
> > > > > >             @Override
> > > > > >             public void onClick(ClickEvent event)
> > > > > >             {
> > > > > >                 RootPanel.get().add(new Label("clicked"));
> > > > > >             }
> > > > > >         });
> > > > > >         RootPanel.get().add(b);
> > > > > >     }
>
> > > > > > What's your test case?
>
> > > > > > Olivier
>
> > > > > > On 1 juin, 08:07, Danny Goovaerts  wrote:
>
> > > > > > > I have a button with a ClickHandler. When I move the mouse over 
> > > > > > > the
> > > > > > > button and click the button, the ClickHandler is called. When I 
> > > > > > > do no
> > > > > > > move the mouse away from the button, the ClickHandler is not 
> > > > > > > called on
> > > > > > > any subsequent clicks. I have to move the mouse away from the 
> > > > > > > button
> > > > > > > and b

Re: Getting the default DateBox() picker to advance year at a time

[Danny Goovaerts]

It's not necessary to write a custom DatePicker. It suffices to create
a DatePicker with a custom MonthSelector.
Here is my implementation
//
package eu.oobikwe.gwt.ui;

import com.google.gwt.user.datepicker.client.CalendarModel;
import com.google.gwt.user.datepicker.client.DatePicker;
import com.google.gwt.user.datepicker.client.DefaultCalendarView;

public class DatePickerWithYearSelector extends DatePicker {

public DatePickerWithYearSelector() {
super(new MonthAndYearSelector(),new DefaultCalendarView(),new
CalendarModel()) ;
MonthAndYearSelector monthSelector = (MonthAndYearSelector)
this.getMonthSelector() ;
monthSelector.setPicker(this) ;
monthSelector.setModel(this.getModel()) ;
}

public void refreshComponents() {
super.refreshAll() ;
}

}

//
package eu.oobikwe.gwt.ui;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Grid;
import com.google.gwt.user.client.ui.PushButton;
import com.google.gwt.user.client.ui.HTMLTable.CellFormatter;
import com.google.gwt.user.datepicker.client.CalendarModel;
import com.google.gwt.user.datepicker.client.MonthSelector;

/**
 * A simple {...@link MonthSelector} used for the default date picker.
Not
 * extensible as we wish to evolve it freely over time.
 */

public  class MonthAndYearSelector extends MonthSelector {

  private static String BASE_NAME = "datePicker" ;

  private PushButton backwards;
  private PushButton forwards;
  private PushButton backwardsYear;
  private PushButton forwardsYear;
  private Grid grid;
  private int previousYearColumn = 0;
  private int previousMonthColumn = 1 ;
  private int monthColumn = 2 ;
  private int nextMonthColumn = 3;
  private int nextYearColumn = 4 ;
  private CalendarModel model ;
  private DatePickerWithYearSelector picker ;


public void setModel(CalendarModel model) {
this.model = model;
}



public void setPicker(DatePickerWithYearSelector picker) {
this.picker = picker;
}



@Override
  protected void refresh() {
String formattedMonth = getModel().formatCurrentMonth();
grid.setText(0, monthColumn, formattedMonth);
  }

  @Override
  protected void setup() {
// Set up backwards.
backwards = new PushButton();
backwards.addClickHandler(new ClickHandler() {
  public void onClick(ClickEvent event) {
addMonths(-1);
  }
});

backwards.getUpFace().setHTML("‹");
backwards.setStyleName(BASE_NAME + "PreviousButton");

forwards = new PushButton();
forwards.getUpFace().setHTML("›");
forwards.setStyleName(BASE_NAME + "NextButton");
forwards.addClickHandler(new ClickHandler() {
  public void onClick(ClickEvent event) {
addMonths(+1);
  }
});


// Set up backwards year
backwardsYear = new PushButton();
backwardsYear.addClickHandler(new ClickHandler() {
  public void onClick(ClickEvent event) {
addMonths(-12);
  }
});

backwardsYear.getUpFace().setHTML("«");
backwardsYear.setStyleName(BASE_NAME + "PreviousButton");

forwardsYear = new PushButton();
forwardsYear.getUpFace().setHTML("»");
forwardsYear.setStyleName(BASE_NAME + "NextButton");
forwardsYear.addClickHandler(new ClickHandler() {
  public void onClick(ClickEvent event) {
addMonths(+12);
  }
});

// Set up grid.
grid = new Grid(1, 5);
grid.setWidget(0, previousYearColumn, backwardsYear);
grid.setWidget(0, previousMonthColumn, backwards);
grid.setWidget(0, nextMonthColumn, forwards);
grid.setWidget(0, nextYearColumn, forwardsYear);

CellFormatter formatter = grid.getCellFormatter();
formatter.setStyleName(0, monthColumn, BASE_NAME + "Month");
formatter.setWidth(0, previousYearColumn, "1");
formatter.setWidth(0, previousMonthColumn, "1");
formatter.setWidth(0, monthColumn, "100%");
formatter.setWidth(0, nextMonthColumn, "1");
formatter.setWidth(0, nextYearColumn, "1");
grid.setStyleName(BASE_NAME + "MonthSelector");
initWidget(grid);
  }

  public void addMonths(int numMonths) {
model.shiftCurrentMonth(numMonths);
picker.refreshComponents();
  }

}

Danny
On Jun 2, 8:31 pm, Jim Douglas  wrote:
> No, it's not possible, short of writing a custom DatePicker.  You
> might want to vote for this open issue:
>
> http://code.google.com/p/google-web-toolkit/issues/detail?id=3520
>
> On Jun 2, 9:24 am, Rob Tanner  wrote:
>
>
>
> > Hi,
>
> > I'm using a DateBox() widget for users to enter their date of birth.
> > When the picker is displayed, on either side of the month/year
> > displayed in th

Re: ClickHandler not called on second click

[Danny Goovaerts]

I managed to isolate the code in a few classes which reproduce the
problem.

Can I upload a zipfile (15k) somewhere?

On Jun 2, 5:27 pm, Olivier Monaco  wrote:
> Danny,
>
> What your click handler does? May be it puts some (transparent)
> element in front of the button... How do you use the PushButton? What
> is the exact structure of panels? You need to build a test case to us
> help you.
>
> Olivier
>
> On 2 juin, 08:02, Danny Goovaerts  wrote:
>
>
>
> > I have not yet been able to isolate the code while reproducing the
> > problem. It's probably related to the actual structured of the page.
> > But I managed to get some more information using the debugger.
>
> > - The problem occurs when using a PushButton (constructed using the
> > constructor PushButton(Image image)), not when using a simple Button
> > - In the class CustomButton when the method onBrowserEvent is called
> > for a MOUSUP event :
> > ...
> > case Event.ONMOUSEUP:
> >         if (isCapturing)
> >           isCapturing = false;
> >           DOM.releaseCapture(getElement());
> >           if (isHovering() && event.getButton() == Event.BUTTON_LEFT)
> > {
> >             onClick();
> >           }
> >         }
> >         break;
> > ...
>
> > isHovering() returns true at the first click while it returns false at
> > the subsequent clicks
>
> > The method isHovering is implemented as follows
>
> > final boolean isHovering() {
> >     return (HOVERING_ATTRIBUTE & getCurrentFace().getFaceID()) > 0;
> >   }
>
> > At the first click getCurrentFace().getFaceID()) evaluates to 3, while
> > at the subsequent clicks, it evaluates to 1.
> > So there is probably something wrong in setting the correct face in
> > the particular situation.
>
> > I hope that this can provide enough information to find the real root
> > cause.
>
> > Danny
>
> > On Jun 1, 6:21 pm, Danny Goovaerts  wrote:
>
> > > My application is quite large. The button is several "levels" deep,
> > > i.e. in a FlowPanel which itself is in a HorizontalPaneI in a hierachy
> > > of divs. I will try to isolate while still reproducing the error.
> > > I would also try to step through the code in a debugger, but
> > > unfortunaly for this I need to move the mouse from the page to
> > > Eclipse, which prevents from reproducing the error.
> > > Danny
>
> > > On Jun 1, 4:17 pm, Ranjan  wrote:
>
> > > > Something like that should not have gone unnoticed for so long. Could
> > > > you post your code snippet?
>
> > > > On Jun 1, 12:07 pm, Olivier Monaco  wrote:
>
> > > > > Danny,
>
> > > > > I had no problem (in dev mode). Here is my test case:
>
> > > > >     public void onModuleLoad()
> > > > >     {
> > > > >         Button b = new Button("click me");
> > > > >         b.addClickHandler(new ClickHandler()
> > > > >         {
> > > > >             @Override
> > > > >             public void onClick(ClickEvent event)
> > > > >             {
> > > > >                 RootPanel.get().add(new Label("clicked"));
> > > > >             }
> > > > >         });
> > > > >         RootPanel.get().add(b);
> > > > >     }
>
> > > > > What's your test case?
>
> > > > > Olivier
>
> > > > > On 1 juin, 08:07, Danny Goovaerts  wrote:
>
> > > > > > I have a button with a ClickHandler. When I move the mouse over the
> > > > > > button and click the button, the ClickHandler is called. When I do 
> > > > > > no
> > > > > > move the mouse away from the button, the ClickHandler is not called 
> > > > > > on
> > > > > > any subsequent clicks. I have to move the mouse away from the button
> > > > > > and back. Then the ClickHandler is called when I click again.
>
> > > > > > To investigate, I have added a MouseDownHandler and a 
> > > > > > MouseUpHandler.
> > > > > > These are called on subsequent clicks, only the ClickHandler is not
> > > > > > called.
> > > > > > As the focus stays on the button, I have tried hitting the enter 
> > > > > > key.
> > > > > > This triggers calling the ClickHandler.
>
> > > > > > I 've tried adding 

Re: ClickHandler not called on second click

[Danny Goovaerts]

I have not yet been able to isolate the code while reproducing the
problem. It's probably related to the actual structured of the page.
But I managed to get some more information using the debugger.

- The problem occurs when using a PushButton (constructed using the
constructor PushButton(Image image)), not when using a simple Button
- In the class CustomButton when the method onBrowserEvent is called
for a MOUSUP event :
...
case Event.ONMOUSEUP:
if (isCapturing)
  isCapturing = false;
  DOM.releaseCapture(getElement());
  if (isHovering() && event.getButton() == Event.BUTTON_LEFT)
{
onClick();
  }
}
break;
...


isHovering() returns true at the first click while it returns false at
the subsequent clicks

The method isHovering is implemented as follows

final boolean isHovering() {
return (HOVERING_ATTRIBUTE & getCurrentFace().getFaceID()) > 0;
  }

At the first click getCurrentFace().getFaceID()) evaluates to 3, while
at the subsequent clicks, it evaluates to 1.
So there is probably something wrong in setting the correct face in
the particular situation.

I hope that this can provide enough information to find the real root
cause.

Danny

On Jun 1, 6:21 pm, Danny Goovaerts  wrote:
> My application is quite large. The button is several "levels" deep,
> i.e. in a FlowPanel which itself is in a HorizontalPaneI in a hierachy
> of divs. I will try to isolate while still reproducing the error.
> I would also try to step through the code in a debugger, but
> unfortunaly for this I need to move the mouse from the page to
> Eclipse, which prevents from reproducing the error.
> Danny
>
> On Jun 1, 4:17 pm, Ranjan  wrote:
>
>
>
> > Something like that should not have gone unnoticed for so long. Could
> > you post your code snippet?
>
> > On Jun 1, 12:07 pm, Olivier Monaco  wrote:
>
> > > Danny,
>
> > > I had no problem (in dev mode). Here is my test case:
>
> > >     public void onModuleLoad()
> > >     {
> > >         Button b = new Button("click me");
> > >         b.addClickHandler(new ClickHandler()
> > >         {
> > >             @Override
> > >             public void onClick(ClickEvent event)
> > >             {
> > >                 RootPanel.get().add(new Label("clicked"));
> > >             }
> > >         });
> > >         RootPanel.get().add(b);
> > >     }
>
> > > What's your test case?
>
> > > Olivier
>
> > > On 1 juin, 08:07, Danny Goovaerts  wrote:
>
> > > > I have a button with a ClickHandler. When I move the mouse over the
> > > > button and click the button, the ClickHandler is called. When I do no
> > > > move the mouse away from the button, the ClickHandler is not called on
> > > > any subsequent clicks. I have to move the mouse away from the button
> > > > and back. Then the ClickHandler is called when I click again.
>
> > > > To investigate, I have added a MouseDownHandler and a MouseUpHandler.
> > > > These are called on subsequent clicks, only the ClickHandler is not
> > > > called.
> > > > As the focus stays on the button, I have tried hitting the enter key.
> > > > This triggers calling the ClickHandler.
>
> > > > I 've tried adding a DeferredCommand to the ClickHandler with a
> > > > variaty of actions(remove focus, remove focus and set focus again),
> > > > but this does not change anything.
>
> > > > Environment
> > > > - GWT 2.0.3
> > > > - Vista
> > > > - Chrome 6.0.408.1 dev / Firefox 3.5.9/ Internet Explorer 7.0
>
> > > > There are several posts in this forum that describe a similar
> > > > behaviour 
> > > > (e.g.http://groups.google.com/group/google-web-toolkit/browse_thread/threa...)
> > > > but none have a solution.
>
> > > > Any idea how to solve this?
>
> > > > Thanks in advance,
>
> > > > Danny

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Re: ClickHandler not called on second click

[Danny Goovaerts]

My application is quite large. The button is several "levels" deep,
i.e. in a FlowPanel which itself is in a HorizontalPaneI in a hierachy
of divs. I will try to isolate while still reproducing the error.
I would also try to step through the code in a debugger, but
unfortunaly for this I need to move the mouse from the page to
Eclipse, which prevents from reproducing the error.
Danny

On Jun 1, 4:17 pm, Ranjan  wrote:
> Something like that should not have gone unnoticed for so long. Could
> you post your code snippet?
>
> On Jun 1, 12:07 pm, Olivier Monaco  wrote:
>
>
>
> > Danny,
>
> > I had no problem (in dev mode). Here is my test case:
>
> >     public void onModuleLoad()
> >     {
> >         Button b = new Button("click me");
> >         b.addClickHandler(new ClickHandler()
> >         {
> >             @Override
> >             public void onClick(ClickEvent event)
> >             {
> >                 RootPanel.get().add(new Label("clicked"));
> >             }
> >         });
> >         RootPanel.get().add(b);
> >     }
>
> > What's your test case?
>
> > Olivier
>
> > On 1 juin, 08:07, Danny Goovaerts  wrote:
>
> > > I have a button with a ClickHandler. When I move the mouse over the
> > > button and click the button, the ClickHandler is called. When I do no
> > > move the mouse away from the button, the ClickHandler is not called on
> > > any subsequent clicks. I have to move the mouse away from the button
> > > and back. Then the ClickHandler is called when I click again.
>
> > > To investigate, I have added a MouseDownHandler and a MouseUpHandler.
> > > These are called on subsequent clicks, only the ClickHandler is not
> > > called.
> > > As the focus stays on the button, I have tried hitting the enter key.
> > > This triggers calling the ClickHandler.
>
> > > I 've tried adding a DeferredCommand to the ClickHandler with a
> > > variaty of actions(remove focus, remove focus and set focus again),
> > > but this does not change anything.
>
> > > Environment
> > > - GWT 2.0.3
> > > - Vista
> > > - Chrome 6.0.408.1 dev / Firefox 3.5.9/ Internet Explorer 7.0
>
> > > There are several posts in this forum that describe a similar
> > > behaviour 
> > > (e.g.http://groups.google.com/group/google-web-toolkit/browse_thread/threa...)
> > > but none have a solution.
>
> > > Any idea how to solve this?
>
> > > Thanks in advance,
>
> > > Danny

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ClickHandler not called on second click

[Danny Goovaerts]

I have a button with a ClickHandler. When I move the mouse over the
button and click the button, the ClickHandler is called. When I do no
move the mouse away from the button, the ClickHandler is not called on
any subsequent clicks. I have to move the mouse away from the button
and back. Then the ClickHandler is called when I click again.

To investigate, I have added a MouseDownHandler and a MouseUpHandler.
These are called on subsequent clicks, only the ClickHandler is not
called.
As the focus stays on the button, I have tried hitting the enter key.
This triggers calling the ClickHandler.

I 've tried adding a DeferredCommand to the ClickHandler with a
variaty of actions(remove focus, remove focus and set focus again),
but this does not change anything.

Environment
- GWT 2.0.3
- Vista
- Chrome 6.0.408.1 dev / Firefox 3.5.9/ Internet Explorer 7.0

There are several posts in this forum that describe a similar
behaviour (e.g.
http://groups.google.com/group/google-web-toolkit/browse_thread/thread/aa9ce024e173390e/65802ce6da9482e7?lnk=gst&q=second+click#65802ce6da9482e7)
but none have a solution.

Any idea how to solve this?

Thanks in advance,

Danny

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Re: Facing problem tackling browser refresh

[Danny Goovaerts]

I faced exactly the same problem (see
http://groups.google.com/group/google-web-toolkit/browse_thread/thread/36979a4e8e51fdc5#
)
I concluded that in case of a refresh, the async call is cancelled in
the browser before it has concluded.
I solved the problem by "waiting" until the onSuccess() of the
callback was called. This waitingf is implemented by using a timer
that fires repeatdly until it is stopped in the
onSuccess() method of the RPC callback.

Here is the main piece of code

//code called in the ClosingHandler
final AsyncCompletionFlag flag= new AsyncCompletionFlag() ;
SessionGWTInterface.Util.getInstance().transfersSave(xml.toString(),
new AsyncCallback() {

public void onFailure(Throwable caught) {
   flag.setDone() ;
   return ;
}

public void onSuccess(String result) {
   flag.setDone() ;
   return ;
}
  }) ;
  //We need to have this to be sure to continue running until the RPC
completes. If not, it can be cancelled before
  //it acttually runs
 AsyncCompletionChecker checker = new AsyncCompletionChecker(flag) ;
 checker.run() ;

package eu.oobikwe.gwt.rpc;

import com.google.gwt.user.client.Timer;

public class AsyncCompletionChecker extends Timer{

private static int WAIT_TIME = 10 ;

private int waitTime ;
private AsyncCompletionFlag flag ;

public AsyncCompletionChecker(AsyncCompletionFlag flag) {
this(flag,WAIT_TIME) ;
}

public AsyncCompletionChecker(AsyncCompletionFlag flag,int waitTime)
{
super();
if(waitTime > 0) {
this.waitTime = waitTime;
}
else {
this.waitTime = WAIT_TIME ;
}
this.flag = flag ;
}

@Override
public void run() {
if(!flag.isDone()) {
this.schedule(waitTime) ;
}
}


}

package eu.oobikwe.gwt.rpc;

public class AsyncCompletionFlag {
private boolean done ;

public AsyncCompletionFlag () {
super() ;
done = false ;
}
public boolean isDone () {
return done ;
}

public void setDone() {
done = true ;
}

}

This works for me.
On 20 apr, 09:24, chill_hus  wrote:
> Hi
> I am working on an application which uses GWT 2.0, gwt-comet & GXT
> I have added a close handler (Window.addWindowClosingHandler) to
> detect refresh and closing of browser
> When this handler is called I do a RPC to a servlet.
> This RPC is executed properly if the browser tab is closed. However in
> case of refresh it is inconsistent. Few times RPC is executed while
> some times it doesn't and onFailure (of AsyncCallback) is called and
> StatusCodeException is thrown
> Is there any thing wrong in my implementation. pls help me out with
> this situation.
> Thanks in advance for suggestions
>
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Re: Async RPC during CloseHandler.onClose() cancelled?

[Danny Goovaerts]

Moving the reload to the onSuccess is a good suggestion.
Thanks!

On 16 apr, 18:12, Thomas Broyer  wrote:
> On Apr 16, 5:44 pm, Danny Goovaerts  wrote:
>
>
>
>
>
> > In the application that I'm building  I've implemented a
> > CloseHandler.onClose() which saves the local state in the database at
> > the server side. This state is reloaded automatically when you log on
> > the next time (fromthe same browser or from another browser, that's
> > why I am not storing it in a cookie in the client).
>
> > This all works as expected when you close the browser (or the browser
> > tab) or when you navigate to another url.
> > The application is supported in multiple languages . I switch language
> > by replacing the URL by a new URL with locale query parameter (for
> > example, the URL for the default language ishttp://www.mysite.eu/,
> > the URL for the french version ishttp://www.mysite.eu/?locale=fr).
> > This causes a reload and the application is reinitialized in the new
> > locale.
>
> > However in this case, the async call in the CloseHandler.onClose()
> > method apparently is not called or it is called, but it is cancelled.
> > I'm convinved that it is called but it is cancelled as a result of a
> > timing issue.
> > I've done the following tests:
> > * in web mode, the problem occurs
> > * in web mode, when I have emptied the browser cache, the problem does
> > not occur
> > * in hosted mode when I step through it in the debugger, the
> > CloseHandler.onClose() method is called and the RPC succeeds
> > * in hosted mode, not in the debugger, the RPC succeeds
> > * I've also tried moving the RPC call in a Window.closingHandler where
> > I set a message in the ClosingEvent. This causes a popup window. In
> > this case, the RPC call also succeeds
>
> > This leads me to the conclusion that in in Web mode, the reload
> > happens fast when the HTML page and the java script are cached, and
> > that this causes the RPCto be canceled.
>
> > What do you think?
>
> > Is there a way to prevent the RPC call from being cancelled?
>
> Using onClose to save things is unreliable and risky (you'd better
> have an explicit "save" button and in case you have unsaved changes
> ask the user to save them before "closing", using a ClosingHandler).
>
> In the case where you reload the app (with a slightly different URL),
> why not doing the RPC and do the reload in the onSuccess? (and because
> you have no unsaved changes, you don't need to save again in the
> onClose, or warn/ask the user in the ClosingHandler)
>
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Async RPC during CloseHandler.onClose() cancelled?

[Danny Goovaerts]

In the application that I'm building  I've implemented a
CloseHandler.onClose() which saves the local state in the database at
the server side. This state is reloaded automatically when you log on
the next time (fromthe same browser or from another browser, that's
why I am not storing it in a cookie in the client).

This all works as expected when you close the browser (or the browser
tab) or when you navigate to another url.
The application is supported in multiple languages . I switch language
by replacing the URL by a new URL with locale query parameter (for
example, the URL for the default language is http://www.mysite.eu/ ,
the URL for the french version is http://www.mysite.eu/?locale=fr).
This causes a reload and the application is reinitialized in the new
locale.

However in this case, the async call in the CloseHandler.onClose()
method apparently is not called or it is called, but it is cancelled.
I'm convinved that it is called but it is cancelled as a result of a
timing issue.
I've done the following tests:
* in web mode, the problem occurs
* in web mode, when I have emptied the browser cache, the problem does
not occur
* in hosted mode when I step through it in the debugger, the
CloseHandler.onClose() method is called and the RPC succeeds
* in hosted mode, not in the debugger, the RPC succeeds
* I've also tried moving the RPC call in a Window.closingHandler where
I set a message in the ClosingEvent. This causes a popup window. In
this case, the RPC call also succeeds

This leads me to the conclusion that in in Web mode, the reload
happens fast when the HTML page and the java script are cached, and
that this causes the RPCto be canceled.

What do you think?

Is there a way to prevent the RPC call from being cancelled?

Thanks in advance,

Danny

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Async RPC during CloseHandler.onClose()

[Danny Goovaerts]

I've implemented a CloseHandler to makes an async call to the server
to store the loc

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Re: Unable to migrate GWT application to version 2.03 due to problem with internationalization

[Danny Goovaerts]

es_GTC is normally not a valid locale. The "country" part of a locale
is the two character ISO country code. GTC is not a valid country
code.
A reason might be that GWT 1.5 was not strict about the country code
format, and that 2.0 is much stricter.

Danny
On 19 mrt, 14:28, craige  wrote:
> I am trying to migrate a GWT 1.5 application (which definitely works
> without problem) to 2.03 and I am having problems with the compilation
> of the application. My application uses various locales which are
> defined in the Main.gwt.xml file
>
>         
>         
>         
>
> The problem comes when the compiler attempts to compile the locale
> es_GTC and the file InternationalizationConstants_es_GTC.properties
>
> The error from the compiler was as follows :
>
>         Validating newly compiled units
>             [ERROR] Errors in 'generated://
> 6156E89F6D1ADDBDACCA415E145F7A5A/com/google/gwt/i18n/client/impl/
> LocaleInfoImpl_es-gtc.java'
>                [ERROR] Line 10: The type LocaleInfoImpl_es is already
> defined
>                [ERROR] Line 10: Syntax error on token "-", < expected
>                [ERROR] Line 10: Syntax error, insert ">" to complete
> ReferenceType1
>
> This previously worked with GWT 1.5. If I remove the locale
>
> 
>
> from the Main.gwt.xml file, the application compiles and runs without
> problem. It seems that the GWT compiler has a problem with the -
> character in the name of the autogenerated java method which is
>
> public class LocaleInfoImpl_es-gtc extends LocaleInfoImpl_shared {
>
> Anybody got any suggestions? I've looked in the documentation for GWT
> 2.x and there is nothing to indicate that this has changed.
>
> Thanks
>
> Craige

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Re: How do I use my own server in hosted mode instead of GWT's built-in Jetty instance?

[Danny Goovaerts]

When you run OOPHM without the built in Jetty, your RPC calls will go
to your instance of Tomcat (or to be more precise,
to the server that is listening on the port that you specify in the
URL : "http://localhost:port/cellamea.html?
gwt.codesvr=192.168.1.102:9997",
The URL proposed in the Development Mode window is
 http://localhost/cellamea.html?gwt.codesvr=192.168.1.102:9997
supposing that you run your server on the standard port 80).

Changes that you make to your code in the debugger will only affect
client side code (after you refresh your browser). Changes to
your server code are not picked up automatically by your instance of
Tomcat. Depending on your deployment,
you will need to rebuild/redeploy/restart your Tomcat (similar to
pushing the "Reload web server" button in the Development Mode window
in Eclipse).

If you want to actually debug in Tomcat, start Tomcat in debugging
mode and start a debugging session in Eclipse to a remote JVM. Changes
to
your code will similarly not be picked up by Tomcat , needing a
rebuild/redeploy/restarts sequence.
You can run your application in Web mode (without debugging the client
side) or you can also debug your application in development mode
without the
built in server. It all depends what you need to investigate.

Danny

P.S. 2.0 is great. Thanks to everyone who contributed!

On 10 dec, 21:40, Henry  wrote:
> How do I use my own server in hosted mode instead of GWT's built-in
> Jetty instance?
> In the plugin, I found the option to turn off use built-in server.
> Then I start my own server (Tomcat with JAAS j_security enabled), but
> it doesn't seem to pick up changes with my OOPHM firefox.
> How do I get my server (Tomcat) to understand:
> ?gwt.codesvr=localhost:9997
>
> thx,
> Henry

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Re: Tomcat RPC Failure on Lost Client Connections.

[Danny]

t.dave,

I am using 1.7.  Though it is no solution, your having this same
problem is some comfort.  If enough of us are in the same boat, maybe
one of us will eventually find a solution.

Thanks,

Danny

On Nov 17, 12:15 am, "t.dave"  wrote:
> there's a bit of content on the web about this problem.  if memory
> serves it was at least partly blamed on the
> RPCServletUtils.readContentAsUtf8() method - that sometimes the
> request doesn't make it to the server.  this was blamed on the
> vagaries of the internet.
>
> i have it all the time in my web app - probably at least once a day,
> but have been unable to replicate it or track down the exact cause.
> what version of GWT are you running?  i'm still on 1.5.3 - my hope is
> that once i finally get around to rewriting ALL my listeners into a
> handler bus and upgrade to 1.7 (or even 2.0 by the time i get to it),
> this problem will be solved.

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Tomcat RPC Failure on Lost Client Connections.

[Danny]

I get a " Exception while dispatching incoming RPC call" exception in
Tomcat after, what I believe is caused by an RPC response not finding
the client that made the request.  The stack print out is included
below.  I say that I believe this is the problem, but I have not been
able to reproduce the error.

Can someone with more Tomcat experience than me, see if my belief is
well founded?  Regardless, does someone have a solution?  My system
seems to be running OK.  Is my worry mostly about Tomcat filling my
web host's disk space with exception messages?

Thanks,

Danny

--

Nov 14, 2009 7:39:50 AM org.apache.catalina.core.ApplicationContext
log
SEVERE: Exception while dispatching incoming RPC call
java.io.IOException
at org.apache.jk.common.JkInputStream.receive(JkInputStream.java:205)
at org.apache.jk.common.JkInputStream.refillReadBuffer
(JkInputStream.java:265)
at org.apache.jk.common.JkInputStream.doRead(JkInputStream.java:183)
at org.apache.coyote.Request.doRead(Request.java:428)
at org.apache.catalina.connector.InputBuffer.realReadBytes
(InputBuffer.java:304)
at org.apache.tomcat.util.buf.ByteChunk.substract(ByteChunk.java:405)
at org.apache.catalina.connector.InputBuffer.read(InputBuffer.java:
327)
at org.apache.catalina.connector.CoyoteInputStream.read
(CoyoteInputStream.java:193)
at com.google.gwt.user.server.rpc.RPCServletUtils.readContentAsUtf8
(RPCServletUtils.java:146)
at com.google.gwt.user.server.rpc.RemoteServiceServlet.readContent
(RemoteServiceServlet.java:343)
at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost
(RemoteServiceServlet.java:77)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service
(CoyoteAdapter.java:293)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:
190)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:
291)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:769)
at org.apache.jk.common.ChannelSocket.processConnection
(ChannelSocket.java:698)
at org.apache.jk.common.ChannelSocket$SocketConnection.runIt
(ChannelSocket.java:891)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run
(ThreadPool.java:690)
at java.lang.Thread.run(Thread.java:619)

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Re: GWT Hosted Mode crashing after Snow Leopard 10.6.2 Update

[Danny]

Hi,

Is there also a fix available for GWT 1.6+ ?
My Eclipse project gives an error saying that the when using the WAR
layout you must use the GWT 1.6 or later.

Thkx,
D.

On Nov 14, 4:10 pm, hugues  wrote:
> On 12 nov, 18:39, hugues  wrote:
>
> > On 12 nov, 13:35, Daniel Kurka  wrote:
>
> > > I found a very UGLY solution to my problem (which enables me to continue
> > > working).
>
> > > I replaced in LowLevelSaf.java public static native void gcUnprotect(int,
> > > int); to public static void gcUnprotect(int, int) {}
>
> > I've built a file for GWT 1.5.3 on that same pattern if people are
> > insterested... but I've got nowhere to put it. It's +9MB.
>
> It's finally 
> here:http://org.labarben.s3.amazonaws.com/gwt-saf-fix/gwt-dev-mac.jar
>
> - Hugues

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IE8 and Compatibility View settings and ListBoxes

[Danny]

My version of IE8 was accidentally set to "Display all Websites in
Compatibility View".  This seemed to not hurt anything in my
application at first, but later I found that ListBoxes would not
display properly, i.e., not at all.  I guess GWT generates ListBox
code for IE8 that is not compatible with older versions.

I will make sure to inform my users to not use compatibility mode for
IE8.  IE8 permits selecting compatibility mode for specific websites,
but this is a bit messy.

I admit that this is a Microsoft, rather than GWT, problem.  Maybe it
is too late for 1.7, but would it be possible for 2.0 to generate
ListBox code for all versions of IE?  But, who knows what other
inconsistencies we will find from mighty Microsoft?

Thanks,

Danny

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Re: Avoiding RPC Coming in to an inactive client from the server.

[Danny]

rjcarr,
Hey!  I was looking for some magic GWT answer, not good old
programming logic.

Thanks very much,

Danny

On Oct 13, 1:43 am, rjcarr  wrote:
> Just keep a count of your service calls.  So, when your expiry timer
> rings, make sure you don't send out any more requests, and keep your
> client alive until it has received its last response (bringing your
> count to 0).
>
> On Oct 8, 11:13 am, Danny  wrote:
>
> > My application has a timeout on the client side that often causes the
> > client to go away while there is a pendingRPCreturn from the
> > server.  Nothing comes crashing down, but Tomcat fills its log with:
>
> > "org.apache.catalina.core.ApplicationContext log
> > SEVERE: Exception while dispatching incomingRPCcall
> > java.io.IOException..".
>
> > followed by a stack printout.
>
> > Does anyone know how to relieve Tomcat of this burden and my having to
> > dump its log file more frequently that I would like?
>
> > Thanks,
>
> > Danny
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Avoiding RPC Coming in to an inactive client from the server.

[Danny]

My application has a timeout on the client side that often causes the
client to go away while there is a pending RPC return from the
server.  Nothing comes crashing down, but Tomcat fills its log with:

"org.apache.catalina.core.ApplicationContext log
SEVERE: Exception while dispatching incoming RPC call
java.io.IOException..".

followed by a stack printout.

Does anyone know how to relieve Tomcat of this burden and my having to
dump its log file more frequently that I would like?

Thanks,

Danny
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encodeResponseForFailure

[Danny]

Hi,

trying to get my GWT Application running I get the next error. When
the line "List allianzen = session.createQuery("SELECT id,
kuerzel, name from gctool.allianzen").list();" is executed I geht the
following error:

Service method 'public abstract java.util.List
com.gc.tool.client.GC_ToolService.getAllianzen()' threw an unexpected
exception: java.lang.reflect.UndeclaredThrowableException
Stack:
com.google.gwt.user.server.rpc.RPCCopy_GWT16.encodeResponseForFailure
(RPCCopy_GWT16.java:348)
Stack: com.google.gwt.user.server.rpc.RPCCopy.encodeResponseForFailure
(RPCCopy.java:216)
Stack: net.sf.gilead.gwt.PersistentRemoteService.processCall
(PersistentRemoteService.java:164)
Stack: com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost
(RemoteServiceServlet.java:86)
Stack: javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
Stack: javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
Stack: org.mortbay.jetty.servlet.ServletHolder.handle
(ServletHolder.java:487)
Stack: org.mortbay.jetty.servlet.ServletHandler.handle
(ServletHandler.java:362)
Stack: org.mortbay.jetty.security.SecurityHandler.handle
(SecurityHandler.java:216)
Stack: org.mortbay.jetty.servlet.SessionHandler.handle
(SessionHandler.java:181)
Stack: org.mortbay.jetty.handler.ContextHandler.handle
(ContextHandler.java:729)
Stack: org.mortbay.jetty.webapp.WebAppContext.handle
(WebAppContext.java:405)
Stack: org.mortbay.jetty.handler.HandlerWrapper.handle
(HandlerWrapper.java:152)
Stack: org.mortbay.jetty.handler.RequestLogHandler.handle
(RequestLogHandler.java:49)
Stack: org.mortbay.jetty.handler.HandlerWrapper.handle
(HandlerWrapper.java:152)
Stack: org.mortbay.jetty.Server.handle(Server.java:320)
Stack: org.mortbay.jetty.HttpConnection.handleRequest
(HttpConnection.java:505)
Stack: org.mortbay.jetty.HttpConnection$RequestHandler.content
(HttpConnection.java:843)
Stack: org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647)
Stack: org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:
205)
Stack: org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:
380)
Stack: org.mortbay.io.nio.SelectChannelEndPoint.run
(SelectChannelEndPoint.java:395)
Stack: org.mortbay.thread.QueuedThreadPool$PoolThread.run
(QueuedThreadPool.java:488)


Is this error related to GWT or hibernate? Can anybody tell me where
start searching?
Thanks in adance
Daniel
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inherit modul for hibernate

[Danny]

Hello,

I try to integrate hibernate into a GWT 1.6 project. I've done it with
the help of: 
http://code.google.com/intl/de-DE/webtoolkit/articles/using_gwt_with_hibernate.html
and used gilead.

But when I run my application it says in the log:
No source code is available for type org.hibernate.SessionFactory; did
you forget to inherit a required module?
No source code is available for type org.hibernate.cfg.Configuration;
did you forget to inherit a required module?
No source code is available for type
java.lang.Exception.InInitializeError; did you forget to inherit a
required module?

But I've imported the mentioned classes and in my app.gwt.xml I've
added: 

Has anyone ideas what to check why it does not work?

Thanks in advance
Daniel
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Designer

[Danny]

Guten Morgen!
Das GWT setze ich schon einige Zeit (erfolgreich) ein, allerdings
bisher ohne Designer. Um mir die Arbeit zu erleichtern, bin ich nun
allerdings auf der Suche nach einen visuellen Designer für
Oberflächen. Kann mir jemand eine empfehlen, die in Eclipse integriert
ist und als Freeware erhältlich ist?
Meine Google-Suchen dazu waren nicht allzusehr von Erfolg gekrönt ;-)
Danke!
Schöne Grüße
Daniel

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Frame Height 100%

[Danny]

Does anyone have a browser independent way to set a frame's height to
100% inside a panel that already has its height set to 100%.   I want
to open a frame to a URL (e.g., google.com), such that the frame
expands to the full size of the page pointed to by the URL.  Setting a
frame's width to 100%. or setting a frame's height to a fixed value
both work.

A quick search finds that iframes have this problem: setting its
height to 100% does not work in all browsers.  Solutions suggest
making sure that all parent objects that contain the iframe have a
style of "height:100%" or setting the height with Javascript.  I have
tried to set the parents of my frame to "height:100%", but have not
met with success.  I am not wild about using Javascript.

Thanks,

Danny
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GWT - JFreeChart Dependency in Terms & Conditions

[Danny Robinson]

Please can someone explain why JFreeChart is listed as a 3rd party
library for GWT in GWT's Terms & Conditions page.  Specifically, I
need to understand if this is present as a dependency for development
(like Jetty), or the JFreeChart stuff actually is present somehow in
the javascript/compiled output - if so, is it only necessary for
certain components.

Many thanks - just trying to track down all the runtime license
dependencies for our external software.

Regards,

D.

ps - great product by the way.

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GWT and Google Crawler

[Danny Schimke]

My question ist: Are there disadvantages for the Google crawler to
search through my site if I build a GWT application? I accept, that
there are no differences to normal html- sites, or? Is it correct,
that the Google Crawler is not able to search through JavaScript?

Thanks a lot!
-Danny
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Re: How to use the new WAR file to deploy a simple web application.

[Danny]

Jamie,
Thanks.  Yes, I must learn about Apache Ant.  GWT was forced me to
learn a whole host of new things.  But, learning is one of the more
fasinating aspects of life.

Regards,

Danny

On May 1, 1:46 pm, Jamie  wrote:
> I definitely understand wanting to know what is under the covers.  I
> have given up on JBoss SEAM because there is far too much stuff going
> on that is hidden away somewhere.
>
> But anyway, I suggest that:
>
> 1. You change MyProject.html to index.html in your source tree
> 2. Alter your project's web.xml before jarring it up
>
> that way you can skip steps 9 and 10.
>
> I would also recommend learning Apache Ant.http://ant.apache.org/
>
> Eclipse has a built-in ant window, to run ant scripts.
> Ant has commands to do almost everything you could want, including a
> WAR task.http://ant.apache.org/manual/CoreTasks/war.html
>
> Jamie.
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Re: How to use the new WAR file to deploy a simple web application.

[Danny]

OK, here are the steps I am now using (note that I am using Eclipse
3.3.2, Apache Tomcat 6, and Firefox, all under Linux):

1. Use Eclipse and the new GWT plugin to create a project.  Let's call
it "MyProject".  Eclipse will create everything under a module name
of  "myproject", including a web page named MyProject.html.
2. Do whatever to the project, but finally compile it to get class
files, etc.
3. In a terminal window, go to the war directory created by Eclipse in
step 1 above and execute jar -cvf  ROOT.jar *
4. Stop Tomcat.  (Note that I do a lot of stopping and starting Tomcat
here.  Maybe all such steps are not necessary.)
5. Copy the ROOT.war file created in step 3 above to Tomcat's webapps
directory.
6. Remove Tomcat's old ROOT directory.  (Tomcat should be smart enough
to replace ROOT when it expands ROOT.war, but why take the chance.)
7. Start Tomcat to expand  ROOT.war into a new ROOT directory.
8. Stop Tomcat.  (I tried skipping this step, but Tomcat did not seem
to be able to both expand ROOT.war and recognize the newly created
ROOT directory at the same time.)
9. Winthin the new ROOT directory, copy MyProject.html to index.html.
(I really want Tomcat to serve from index.html.  Maybe someone can
find a way for Eclipse to do this, but it must also do the following
step 10.)
10. Within ROOT/WEB-INF, edit web.xml and change MyProject.html to index.html.  (This makes step 9 above work.)
11 Start Tomcat.

After completin the above steps, you should be able to execute your
project in a web browser via http://localhost:8080/ or
http://localhost:8080/index.html.  When I replicate these steps for my
web hosting company, my users will get to my project simply via
http://my-domain-name.com, because there I have set up my-domain-
name.com to serve everything through Tomcat.

I hope this helps someone.  This is "roll your own" on steriods, but
it works.  When GWT can do this, I will be relieved.  Maybe the two
suggestions above by Stan B and jamie are better, but I had to go
through the above steps to understand exactly what is involved.

Regards,

Danny


On Apr 30, 1:05 pm, Alex Rudnick  wrote:
> We've got a feature request for the plugin for adding support for
> exporting to a .war file and handling .ears.
>
> http://code.google.com/p/google-web-toolkit/issues/detail?id=3584
>
> So if this would be a helpful feature for you, you might like to make
> comments on that feature request or star the issue.
>
> Thanks!
>
> On Thu, Apr 30, 2009 at 12:57 PM, Danny  wrote:
>
> > Thanks everyone.  I now see that this is a web feature.  When I saw
> > the new GWT 1.6 war file construction and eclipse plugin, I thought my
> > deployment life was getting rosier.  Maybe later.
>
> > When I have gotten my project deployment where I want it, I will post
> > my resultd.
>
> > Regards,
>
> > Danny
>
> --
> Alex Rudnick
> swe, gwt, atl
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Re: How to use the new WAR file to deploy a simple web application.

[Danny]

Thanks everyone.  I now see that this is a web feature.  When I saw
the new GWT 1.6 war file construction and eclipse plugin, I thought my
deployment life was getting rosier.  Maybe later.

When I have gotten my project deployment where I want it, I will post
my resultd.

Regards,

Danny

On Apr 30, 11:01 am, Jamie  wrote:
> Currently I have my GWT-1.6 project additionally configured as a
> Dynamic Web Project in Eclipse EE.
> (to find out how, see 
> here:http://groups.google.com/group/Google-Web-Toolkit/browse_thread/threa...)
>
> When you have your project configured this way, you can select the
> project, and then select File/Export/Web/War file.
>
> Save it to {path}/ROOT.war
>
> and that's about it.
>
> Saving it or renaming it to 'ROOT.war' should do what you want; your
> project will deploy athttp://server/
> instead ofhttp://server/project
>
> (BTW, this is a web container feature, not a GWT specific feature.)
>
> Jamie.
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Re: How to use the new WAR file to deploy a simple web application.

[Danny]

Thanks, doopa.
The steps in the GWT documentation are basically what I have done in
the past -- I call them rolling my own.  I was hoping that there was
some way to get Eclipse to do all the work, and all I would have to do
is build a .war file and TomCat would explode everything into the
right places.  I guess I will continue as before.

Danny

On Apr 30, 4:52 am, doopa  wrote:
> For testing purposes I use tomcat to serve the static and dynamic
> portions of the application. To do so, I follow the example from 
> GWT:http://code.google.com/docreader/#p=google-web-toolkit-doc-1-5&s=goog...
>
> Then navigate to localhost:8080/com.example.Module/index.html
>
> And then you can have the app pages served by tomcat. The war file is
> simply deployed to tomcat/webapps/com.example.Module.war
>
> Hope that makes sense.
>
> On Apr 29, 10:30 pm, Danny  wrote:
>
> > While I am not new to GWT, I am a bit new to the WAR file concept.  Up
> > to now, I was content to roll my own when deploying my WEB
> > application.  I use Tomcat to serve both static and dynamic web page
> > content under a directory/file configuration at my web hosting service
> > something like:
>
> > webapps
> >    ROOT
> >        GWT/
> >        GWT cashe files
> >        my .nocache.js file
> >        index.html   (my home page)
> >        index.css (my css file)
> >        other public files
> >    servlet
> >        WEB-INF
> >           classes  (my servlets)
> >           lib (external .jar files needed by my servlets)
>
> > My web hosting service currently points http:/my-domain-name.com/  to
> > Tomcat's .../webapps/ROOT.  I  could roll my own and merge ROOT/ with
> > servlet/.  But, can I use GWT's WAR concept to do this for me?  I can
> > see how to do this with WAR, but the WAR's module name gives me
> > another level that I do not need.  If I name my GWT module ROOT, would
> > this work, or does someone have a better idea.
>
> > Thanks,
>
> > Danny
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How to use the new WAR file to deploy a simple web application.

[Danny]

While I am not new to GWT, I am a bit new to the WAR file concept.  Up
to now, I was content to roll my own when deploying my WEB
application.  I use Tomcat to serve both static and dynamic web page
content under a directory/file configuration at my web hosting service
something like:

webapps
   ROOT
   GWT/
   GWT cashe files
   my .nocache.js file
   index.html   (my home page)
   index.css (my css file)
   other public files
   servlet
   WEB-INF
  classes  (my servlets)
  lib (external .jar files needed by my servlets)

My web hosting service currently points http:/my-domain-name.com/  to
Tomcat's .../webapps/ROOT.  I  could roll my own and merge ROOT/ with
servlet/.  But, can I use GWT's WAR concept to do this for me?  I can
see how to do this with WAR, but the WAR's module name gives me
another level that I do not need.  If I name my GWT module ROOT, would
this work, or does someone have a better idea.

Thanks,

Danny
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Re: GWT 1.6 Replacement for Radio Button setChecked().

[Danny]

Thanks much.

On Apr 24, 2:12 pm, Jason Essington  wrote:
> setValue()
>
> On Apr 24, 2009, at 12:09 PM, Danny wrote:
>
>
>
> > setChecked() seems to be depreaciated by  GWT 1.6.  What replaces this
> > action?
>
> > Thanks,
>
> > Danny
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GWT 1.6 Replacement for Radio Button setChecked().

[Danny]

setChecked() seems to be depreaciated by  GWT 1.6.  What replaces this
action?

Thanks,

Danny
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Re: GWT 1.6, Google App Engine, and java.awt.image.*

[Danny]

Clarifying: I am using Java image classes on the server, where the
Java sky should be almost limitless.  Right now, I would like to get
my application of a few thousand lines of code working under GWT 1.6.
It works great under GWT 1.5.  I took your advice and told Eclipse to
not use App Engine, and Eclipse did stop complaining.  I hope this
works in the end.

Thanks,

Danny

On Apr 22, 8:15 pm, Ben FS  wrote:
> Client-side: GWT lets you use Java language, but only a sub-set of the
> J2SE library, supplemented by a variety of GWT-specific UI classes.
>
> Server-side: You can use whatever you want, including Java. If you
> wish to use Java (J2EE) on the server, you can - and then the GWT RPC
> mechanism can be handy. If you wish to deploy to GAE, there are some
> restrictions - for example, no file access - but the main difference
> with GAE is how you store data persistently.
>
> On Apr 22, 3:35 pm, Danny  wrote:
>
> > I am trying to put my application under GWT 1.6, but I am having
> > problems, because I use some java.awt.image classes.  I understand
> > that Google is working on App Engine for java and has probably not yet
> > implemented image.
>
> > How can I proceed, since the new eclipse plugins insist on App Engine,
> > even when I remove the App Engine SDK.
>
> > Any suggestions?
>
> > Danny
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GWT 1.6, Google App Engine, and java.awt.image.*

[Danny]

I am trying to put my application under GWT 1.6, but I am having
problems, because I use some java.awt.image classes.  I understand
that Google is working on App Engine for java and has probably not yet
implemented image.

How can I proceed, since the new eclipse plugins insist on App Engine,
even when I remove the App Engine SDK.

Any suggestions?

Danny
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Upgrade 1.5.3 to 1.6.4 - 404 Error

[Danny Schimke]

Hi!

I've done the upgrade from GWT 1.5.3 to 1.6.4. I followed the
instructions on the GWT docs.Now I get an 404 Warning in my console
"[WARN] 404 - GET /GwtWebapp.html (127.0.0.1) 1400 bytes". And my
hosted- window shows the following:

HTTP ERROR: 404
NOT_FOUND
RequestURI=/GwtWebapp.html

I updated all the things according the docs... Where is the problem, I
have no idea. Hope someone can help

Thanks a lot!
-Danny
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Re: Acces to GWT JavaDoc in Eclipse

[Danny Schimke]

Hi Stefan!

You are right: I've removed gwt-servlet from the POM dependencies of the
corresponding project, because I don't need it yet. If I need this I will
create a separate "server/backend"- project which does. And now I have
access to the JavaDoc.

Thank you very much!
-Danny

2009/4/1 Stefan Hübner 

>
> Danny,
>
> maybe this is caused due to both gwt-servlet and gwt-user are on
> classpath? For the former, the Maven Central repo doesn't provide a
> source ball but the latter it does. I've experienced this behaviour
> earlier and the only workaround so far was to attach the sources of
> gwt-user to gwt-servlet as well. This seems a weird thing to do,
> though. To get the sources use "-DdownloadSources -DdownloadJavadocs"
> while invoking "mvn eclipse:eclipse".
>
> Why is gwt-servlet on your classpath in the first place? Maybe because
> it's necessary for RemoteServiceServlet?
>
> Anyways, I would be happy if gwt-servlet sources would be provided too.
>
> -Stefan
>
> Danny Schimke  writes:
>
> > Hi!
> >
> > I created a complete new development environment. I installed Eclipse,
> GWT and
> > startet up my new project. Its is working well, but I have no access to
> the GWT
> > source code. For example I get the following message in tooltip, if my
> mouse moves
> > over an GWT element like DialogBox etc.:
> >
> > "This element neither has attached source nor attached Javadoc and hence
> no Javadoc
> > could be found."
> >
> > The source is attached to of my maven module(s). If I navigate to one
> class there is
> > the source code, but how I get access out from my own sorces?
> >
> > Thanks very much!
> > -Danny
> >
> >
>
> >
>

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Acces to GWT JavaDoc in Eclipse

[Danny Schimke]

Hi!

I created a complete new development environment. I installed Eclipse, GWT
and startet up my new project. Its is working well, but I have no access to
the GWT source code. For example I get the following message in tooltip, if
my mouse moves over an GWT element like DialogBox etc.:

"This element neither has attached source nor attached Javadoc and hence no
Javadoc could be found."

The source is attached to of my maven module(s). If I navigate to one class
there is the source code, but how I get access out from my own sorces?

Thanks very much!
-Danny

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Re: Event listening on ListBox in a CaptipnPanel's Legend

[Danny Schimke]

It seems there is no way... I tried to use BrowserEvents, but no result.

I have build my own composite widget (Grid) and defined the style like a
fieldset via CSS. Now it looks like a fieldset and I can use the ListBox I
added into a cell that represents my caption.

With this my problem is gone! ;-)

-Danny

2009/3/26 Danny Schimke 

> Is it possible to do this?
>
> 2009/3/26 Danny Schimke 
>
> Hello!
>>
>> A CaptionPanel can contains HTML in its legend. I hve to add a ListBox-
>> Element there. But I have to listen on it (change- events). How do I have to
>> add the ListBox as a part of the legend- Element to the Caption so that I
>> still can listen on its events?
>>
>> Thank you very much!
>> -Danny
>>
>
>

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Re: FlexTable : how to get not wrapping text functionality

[Danny Schimke]

In standard a table wraps your text. You could try to add a the following
CSS class to the cell (td- element of the table), that should not wrap its
text.

.no-wrap {
  white-space: nowrap;
}

In the following example- HTML the text is not breaking although the table
has a width of 100px. The Table's width will grow up.


  

  to long text, to long text, to long text, to long text

  


If you want to say, that the complete table should not wraps its text you
can do it with CSS, instead of adding the no-wrap CSS class to each td
element.

.non-wrapping-table tr td {
  white-space: nowrap;
}

hope that will help...

-Danny

2009/3/30 Suren 

>
> Hi Danny,
>
> Thanks for the reply.
>
> I should have mentioned earlier that, I 've tried that option too.
> that is, I set the text to a label and disable the wordwrap to that
> label and add that label to a FlexTable using setWidget method.
>
> Result the same..
>
> Still I am getting either full long text with the increased width, or
> wrapped text with the proper width.
>
> All I want is some knid of truncated text( to appear like truncated
> text, but actually not, since that cell dont have enough space to
> display that)
>
> I have a doubt here. Did Flextable has the default settings to adjust
> the column width according to the text's length? And wrap the text if
> the width is set?
>
> If so, what if I dont want that functionality? I mean how can I
> disable that? apart from the wordwrap method
>
> Thanks
> Suren
>
>
>
> On Mar 30, 11:55 am, Danny Schimke  wrote:
> > Hi Suren!
> >
> > I dont know why this is not working, but you can use a Label, set the
> word
> > wrap of the label to false and add this label to one of your FlexTable's
> > cell. This should work.
> >
> > -Danny
> >
> > 2009/3/30 Suren 
> >
> >
> >
> >
> >
> > > Hi All,
> >
> > > I am using FlexTable in a grid format to display text. I have a
> > > situation like, the width of the particular column needs to be fixed.
> > > And in that case, I need to show whatever text is fit into that width.
> > > I dont want to use wordwrap, which inturn affects my layout. Or I dont
> > > want to display the full lengthy text too.
> >
> > > I 've tried
> > > [code]
> > > FlexTable f1 = new FlexTable();
> >
> > >f1.setText(0, 0, "This is a very long text");
> > >f1.setBorderWidth(2);
> > >f1.getCellFormatter().setWidth(0,0,"2px");
> > >f1.getCellFormatter().setWordWrap(0, 0, false);
> > > [/code
> >
> > > In the above case, I set the wordwrap to false, but still I am getting
> > > the wrapped text in the Flextable
> >
> > > Could anyone please suggest any ways to acheive this?
> >
> > > Thanks
> > > Suren- Hide quoted text -
> >
> > - Show quoted text -
> >
>

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Re: FlexTable : how to get not wrapping text functionality

[Danny Schimke]

Hi Suren!

I dont know why this is not working, but you can use a Label, set the word
wrap of the label to false and add this label to one of your FlexTable's
cell. This should work.

-Danny

2009/3/30 Suren 

>
> Hi All,
>
> I am using FlexTable in a grid format to display text. I have a
> situation like, the width of the particular column needs to be fixed.
> And in that case, I need to show whatever text is fit into that width.
> I dont want to use wordwrap, which inturn affects my layout. Or I dont
> want to display the full lengthy text too.
>
> I 've tried
> [code]
> FlexTable f1 = new FlexTable();
>
>f1.setText(0, 0, "This is a very long text");
>f1.setBorderWidth(2);
>f1.getCellFormatter().setWidth(0,0,"2px");
>f1.getCellFormatter().setWordWrap(0, 0, false);
> [/code
>
> In the above case, I set the wordwrap to false, but still I am getting
> the wrapped text in the Flextable
>
> Could anyone please suggest any ways to acheive this?
>
> Thanks
> Suren
>
> >
>

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Re: Event listening on ListBox in a CaptipnPanel's Legend

[Danny Schimke]

Is it possible to do this?

2009/3/26 Danny Schimke 

> Hello!
>
> A CaptionPanel can contains HTML in its legend. I hve to add a ListBox-
> Element there. But I have to listen on it (change- events). How do I have to
> add the ListBox as a part of the legend- Element to the Caption so that I
> still can listen on its events?
>
> Thank you very much!
> -Danny
>

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Event listening on ListBox in a CaptipnPanel's Legend

[Danny Schimke]

Hello!

A CaptionPanel can contains HTML in its legend. I hve to add a ListBox-
Element there. But I have to listen on it (change- events). How do I have to
add the ListBox as a part of the legend- Element to the Caption so that I
still can listen on its events?

Thank you very much!
-Danny

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Re: Set CSS for ListBox Items working in Firefox not in Safari

[Danny Schimke]

My problem is similar. My CSS for - tag's of a select- element are
not shown "dynamically" their new CSS- layout in IE. I'am setting the CSS-
classes like the following:

listBox.getElement().getElementsByTagName("option").getItem().setClassName("empty-option");

My CSS looks like:

.empty-option {
  color: #F2A336;
}

This is only a color- change...
But this color is not shown in IE after adding the class. If I hide and show
the listBox again the colors are updated correctly in IE. But this cannot be
a correct workaround for me...

Example:

listBox.getElement().getElementsByTagName("option").getItem().setClassName("empty-option");
// after this the color of  css class empty-option is shown correctly in FF,
not IE
listBox.setVisible(false);
listBox.setVisible(true);
// now the color is shown correctly in IE too

This means, that the CSS works in all browsers. It's not a CSS- issue... I
dont know how to fix this.

-Danny

2009/3/24 Shashi Kant 

>
> Oh you are using an image. I dont think IE supports that. ,This reason
> behind this is because of how IE gets the "base" for the HTML Select
> tag - it's derived from the Win32api - the same reason why dropdown
> lists and select lists have a nasty habit of rendering "above"
> everything else on the html page.
>
> BUT, you could still experiment with background-color. That should
> work like in this example:
>
>http://www.w3.org/1999/xhtml";>
>
>Untitled Page
>
>
>.optionBold {background-color: Fuchsia; font-weight:
> bold;}
>
>
>
>
>
>
> >
>Non-styled 1
>Non-styled 2
>Styled
>Styled
> inline
>
>
>
>
>
>
>
>
>
>
>
> On Mar 24, 11:01 am, priya  wrote:
> > Hi Shashi Kant
> >
> > This is my css code:
> >
> > .list_box_style{
> > background-image: url("../images/pkg_image2.bmp");
> > background-position: right;
> > background-repeat: no-repeat;
> >
> > }
> >
> > Is this correct?
> > I don't think this is CSS problem..
> > Because its working in FF correctly
> > In Safari and IE it's not working..
> >
> > If you have another solution then please suggest..
> > It's really urgent...
> >
> > On Mar 23, 4:26 pm, Shashi Kant  wrote:
> >
> > > This might be a CSS issue
> > > Paste you "list_box_style" here.
> >
> > > On Mar 23, 4:03 pm, Danny Schimke  wrote:
> >
> > > > Could it be, that the style is set but not shown. We're adding CSS-
> > > > classnames to option- elements of a listbox too, but only in FF there
> is a
> > > > change visible. Because the listbox for example in IE will not
> refresh its
> > > > GUI after adding styles to its items. I have not found a fix for this
> yet...
> > > > there should be a way to refresh GWT- components on view.
> >
> > > > -Danny
> >
> > > > 2009/3/23 priya 
> >
> > > > > Hi all,
> >
> > > > > I have one ListBox in my GWT application.
> > > > > I want to set CSS for some of the items in this ListBox..
> >
> > > > > I am using following code for this:
> >
> > > > >   DOM.getChild(listBox.getElement(), i + 1).setClassName
> > > > > ("list_box_style");
> >
> > > > > This code is working perfect in Firefox but not working in Safari
> > > > > browser.
> >
> > > > > I don't know this is problem of DOM.getChild() method or setting
> style
> > > > > for that.
> >
> > > > > Is Safari supports DOM.getChild() method?
> >
> > > > > If anyone know another way then please suggest...
> >
> > > > > Any help is welcome..
> >
> > > > > Thanks in advance,
> >
> > > > > Priya
> >
>

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Re: Set CSS for ListBox Items working in Firefox not in Safari

[Danny Schimke]

Could it be, that the style is set but not shown. We're adding CSS-
classnames to option- elements of a listbox too, but only in FF there is a
change visible. Because the listbox for example in IE will not refresh its
GUI after adding styles to its items. I have not found a fix for this yet...
there should be a way to refresh GWT- components on view.

-Danny

2009/3/23 priya 

>
> Hi all,
>
> I have one ListBox in my GWT application.
> I want to set CSS for some of the items in this ListBox..
>
> I am using following code for this:
>
>   DOM.getChild(listBox.getElement(), i + 1).setClassName
> ("list_box_style");
>
> This code is working perfect in Firefox but not working in Safari
> browser.
>
> I don't know this is problem of DOM.getChild() method or setting style
> for that.
>
> Is Safari supports DOM.getChild() method?
>
> If anyone know another way then please suggest...
>
> Any help is welcome..
>
> Thanks in advance,
>
> Priya
>
> >
>

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Re: ReplacementString support for MultiWordSuggestOracle for 1.6

[Danny Goovaerts]

Sorry, I hit send too fast.

I want to use replacementString with a MultiWordOracleSuggestion. This
is not possible today, also not in RC 1.6.
I currently workaround the issue by implementing a SuggestOracle
embeds a MultiWordSuggestOracle. The implementation of
requestSuggestions delegates to the embedded MultiWordSuggestOracle in
the following way

...

private MultiWordSuggestOracle oracle ;
private HashMap suggestions ;
private MyCallBack myCallBack ;
...

public void requestSuggestions(Request request, Callback callback) {
//delegate to myCallBack and intercept the responses
myCallBack.setOcb(callback) ;
oracle.requestSuggestions(request, myCallBack) ;
}
...

private class MyCallBack implements Callback {
private Callback  ocb ;

public void setOcb(Callback ocb) {
this.ocb = ocb;
}

public void onSuggestionsReady(Request request, Response 
response) {
// Create a new response
Response myResponse = new Response() ;
LinkedList responses = new 
LinkedList() ;
   //MultiWordSuggestOracle returns the original
suggestion as replacementString
   // we use this as key to look upthe actual
suggestion that we want to provide
for(Suggestion suggestion : response.getSuggestions()) {

responses.add(suggestions.get(suggestion.getReplacementString
())) ;
}
myResponse.setSuggestions(responses) ;
ocb.onSuggestionsReady(request, myResponse) ;
}

}


This works, but it would be much easier if we could simply provide the
replacementStrings to the MultiWordSuggestOracle.
Issue 2695 actually submits this as an enhancement request. Its status
is "accepted. Any chance that this can make it into 1.6?

Thanks (not just for answers to this post but for the tremendous tool
that GWT is)

Danny
On 22 mrt, 20:56, Danny Goovaerts  wrote:
> I  want to usereplacementString with  Issue 2695
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ReplacementString support for MultiWordSuggestOracle for 1.6

[Danny Goovaerts]

I  want to usereplacementString with  Issue 2695
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Re: gwt mix content with style?

[Danny Schimke]

You could do something like this:

Style style = tmpElement.getElement().getStyle();
style.setProperty("border", "1py solid #000000;");

-Danny

2009/3/19 Coonay 

>
> like old html,gwt mix content with style again?
> in gwt ,most dynamic UI element have to set style with addStyleName
> method?
> such as the following,
> public class FirstGWT implements EntryPoint {
>private FlexTable stocksFlexTable = new FlexTable();
> }
>
> if i define the style in the css
> . stocksFlexTable {
> }
>
> can gwt apply  this to stocksFlexTable  automatically without manually
> calling addStyleName?
> >
>

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How to sort a list with objects on client side?

[Danny Schimke]

Hello!

I have a list with objects I've got from "backend-side". Every object has a
getSort() method, which returns an integer value. I've never worked with
Comparator before, but I tried like the following:

public List getObjectListe() {
List sortedList = model.getObjects();
Collections.sort(sortedList, new Comparator() {
public int compare(Objecttype o1, Objecttype o2) {
// compare the o1.getSort() value with o2.getSort() value here
}
});
return sortedList;
}

And this is the error I got:

[ERROR] Uncaught exception escaped
java.lang.UnsupportedOperationException: null
at
com.incowia.tkbase.unternehmenspflege.core.client.BaseReferenceList.toArray(BaseReferenceList.java:166)
at java.util.Collections.sort(Collections.java:158)

What have I to do, to sort my list?

-Danny

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Re: ResourceBundle for client??

[Danny Schimke]

Is the Constants- Interface of GWT the thing, what you are searching for?
With this you can read the values from a properties- file

-Danny

2009/3/17 joe young 

>
> Can client code able to use  java.util.ResourceBundle?
>
> I have some information in a propertie file and I don't want to get it
> via RPC, is there an easy way to do it?
>
> Right now when I use java.util.ResourceBundle in client side code, it
> gives me this error~
>
> [ERROR] Hint: Check the inheritance chain from your module; it may not
> be inheriting a required module or a module may not be adding its
> source path entries properly
>
> Thanks
> >
>

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Re: DialogBox's height not based on its content

[Danny Schimke]

UPDATE!

I forgot to say: It only occurs in IE6/7. In Firefox it works very well

2009/3/17 Danny Schimke 

> I have a dialog box with a invisible widget at the dialogs bottom. There is
> a button to show this (invisible) widget. The Widget is shown and the dialog
> box's size grows up (correctly). But when I hide this widget the height of
> the dialog box is not reduced back to the initial state. It stays large and
> that seems not pretty. How can I fix this?
>
> -Danny
>

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DialogBox's height not based on its content

[Danny Schimke]

I have a dialog box with a invisible widget at the dialogs bottom. There is
a button to show this (invisible) widget. The Widget is shown and the dialog
box's size grows up (correctly). But when I hide this widget the height of
the dialog box is not reduced back to the initial state. It stays large and
that seems not pretty. How can I fix this?

-Danny

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Re: Java Script Datei

[Danny Schimke]

Hallo Eva!

Du hast zu deinem GWT- Projekt ein *.launch- File, das du schön über
Eclipse konfigurieren kannst. Bei den "program arguments" kannst du
mit dem Parameter "style" angeben, wie der Quellcode in Javascript
compiliert wird (Detailliert, oder "unlesbar, aber kompakt"):

-style PRETTY

Es gibt noch viele andere Styles (Detailled, ua.), aber schau dafür am
besten in den Docs um ihren genauen Namen zu wissen.
Startest du deine Anwendung über Eclipse wird deine Anwendung im
Target- Verzeichnis deines Projektes abgelegt, dort liegen dann deine
*js / html- Files.

Ich hoffe ich konnte dir damit helfen...

Grüße
-Danny

On Mar 10, 7:45 am, Eva  wrote:
> Ich würde gerne die von GWT automatisch gererierte Java Script Datei
> einsehen. Wo finde ich diese? Ich habe auch gelesen, dass die Java
> Script Datei komprimiert ist, so dass man den Code nicht erkennen
> kann. Gibt es eine Möglichkeit mit Eclipse diese Komprimierung zu
> verhindern?
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Re: Restrain the DialogBox to move out of browser window

[Danny Schimke]

After weekend I tried again and it worked very well... I don't know the
reason for the not working code last week, but here is my code, that worked
very well:

@Override
public void onMouseMove(Widget sender, int x, int y) {
  super.onMouseMove(sender, x, y);
  if (this.getPopupLeft() + this.getOffsetWidth() > Window.getClientWidth())
{
this.setPopupPosition(Window.getClientWidth() - this.getOffsetWidth(),
this.getPopupTop());
  }
  if (this.getPopupTop() + this.getOffsetHeight() >
Window.getClientHeight()) {
this.setPopupPosition(this.getPopupLeft(), Window.getClientHeight() -
this.getOffsetHeight());
  }
}

The dialog window does not move out of the visible window area!
Thank you very much Sumit! The idea of overriding the onMouse- Events is THE
idea!

-Danny

2009/3/5 Sumit Chandel 

> Hi Danny,
> That shouldn't be the case. Which browser were you testing on when this
> occurred?
>
> I ran the code snippet below and tested it out in hosted IE6, web mode
> IE6/7/8, FF3 and Chrome, and in all cases the onMouseUp() method was called
> and the dialog box was repositioned. Give it a try and let me know how it
> looks for you.
>
> public void onModuleLoad() {
>   final DialogBox dialogBox = new DialogBox() {
> public void onMouseUp(Widget sender, int x, int y) {
>   this.setPopupPosition(0, 0);
>   super.onMouseUp(sender, x, y);
> }
>   };
>   dialogBox.setHTML("Bonjour la police!");
>   RootPanel.get().add(dialogBox);
>   dialogBox.center();
> }
>
> Hope that helps,
> -Sumit Chandel
>
> On Thu, Mar 5, 2009 at 12:20 AM, Danny Schimke 
> wrote:
>
>> It does not work. The onMouseUp is never called...
>>
>> 2009/2/27 Sumit Chandel 
>>
>> Hi Danny,
>>> Here's one possible solution - you could override the
>>> DialogBox.onMouseUp() method to re-position the dialog box depending on
>>> where it was when the user lets go of it.
>>>
>>>  For example:
>>>
>>> final DialogBox dialogBox = new DialogBox() {
>>>   public void onMouseUp(Widget sender, int x, int y) {
>>> if(exceedsBounds(x,y) {
>>>   this.setPopupPosition(xpos, ypos);  //recenter to boundary edge or
>>> center page
>>> }
>>> super.onMouseUp(sender, x, y);
>>>   }
>>> };
>>>
>>> Hope that helps,
>>> -Sumit Chandel
>>>
>>> On Mon, Feb 23, 2009 at 6:04 AM, Danny Schimke >> > wrote:
>>>
>>>> No idea?
>>>>
>>>> 2009/1/28 Danny Schimke 
>>>>
>>>>  Hello!
>>>>>
>>>>> Is it possible to restrain the DialogBox to move out on right and
>>>>> bottom side of the browsers windows? When I move the box over it's header 
>>>>> it
>>>>> should stay completely in the visible browser window area, because I
>>>>> disabled the scroll bars and the user should not be able to move the
>>>>> DialogBox in a not viewed area.
>>>>>
>>>>> And second: in IE6 the DialogBox is only dragable by the text in it's
>>>>> header. Is there a clean way to allow IE6 users to drag&drop the box like 
>>>>> in
>>>>> FF or IE7 over the complete header?
>>>>>
>>>>> Thank you very much!
>>>>>  - Danny
>>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>
>>
>>
>
> >
>

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Re: Restrain the DialogBox to move out of browser window

[Danny Schimke]

It does not work. The onMouseUp is never called...

2009/2/27 Sumit Chandel 

> Hi Danny,
> Here's one possible solution - you could override the DialogBox.onMouseUp()
> method to re-position the dialog box depending on where it was when the user
> lets go of it.
>
> For example:
>
> final DialogBox dialogBox = new DialogBox() {
>   public void onMouseUp(Widget sender, int x, int y) {
> if(exceedsBounds(x,y) {
>   this.setPopupPosition(xpos, ypos);  //recenter to boundary edge or
> center page
> }
> super.onMouseUp(sender, x, y);
>   }
> };
>
> Hope that helps,
> -Sumit Chandel
>
> On Mon, Feb 23, 2009 at 6:04 AM, Danny Schimke 
> wrote:
>
>> No idea?
>>
>> 2009/1/28 Danny Schimke 
>>
>>  Hello!
>>>
>>> Is it possible to restrain the DialogBox to move out on right and bottom
>>> side of the browsers windows? When I move the box over it's header it should
>>> stay completely in the visible browser window area, because I disabled the
>>> scroll bars and the user should not be able to move the DialogBox in a not
>>> viewed area.
>>>
>>> And second: in IE6 the DialogBox is only dragable by the text in it's
>>> header. Is there a clean way to allow IE6 users to drag&drop the box like in
>>> FF or IE7 over the complete header?
>>>
>>> Thank you very much!
>>>  - Danny
>>>
>>
>>
>>
>>
>
> >
>

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Re: Window.confirm in timer.run()

[Danny Schimke]

Yeah! I canceled the timer and restarted it in in the run() method... It is
about the way you've advised me.

Thanks again!
-Danny

2009/3/4 Vitali Lovich 

> Did that solve your problem?
>
>
> On Wed, Mar 4, 2009 at 12:35 PM, Danny Schimke 
> wrote:
>
>> Thanks for that detailled answer ;)
>>
>> 2009/3/4 Vitali Lovich 
>>
>> You're probably using scheduleRepeat.  Browsers are strictly single
>>> threaded (some multi-threading Javascript support coming in FF3.1 that I
>>> know of).  Anyways your problem is this:
>>>
>>> run()
>>> showWindow()
>>> browser keeps generating timer event probably because that comes from the
>>> OS & there's no locking in place
>>> user clicks on button
>>> next event is shown
>>>
>>> Instead do this:
>>>
>>> timer.schedule(1000);
>>> run() {
>>>showWindow()
>>>timer.schedule(1000);
>>>
>>> }
>>>
>>> On Wed, Mar 4, 2009 at 9:34 AM, Danny Schimke 
>>> wrote:
>>>
>>>> Hello!
>>>>
>>>> I am using a timer to ask the user after xy minutes to save his changes
>>>> to database. In the run() method of timer I ask the user wheather he want 
>>>> to
>>>> save the changes. If the user clicks OK I'll save othwerwise I'll do
>>>> nothing. I shedule the timer repeatly after xy minutes. When does the timer
>>>> reruns? After handling the run() method? I recognized that the timer reruns
>>>> while the confirm message is shown. Is this an issue or correct? Should the
>>>> timer rerun while its run() method is not finished? I occurs in Firefox, in
>>>> IE it works like I am thinking how it should work.
>>>>
>>>> Example for Error:
>>>>
>>>> - Rerunning timer every 1 minute
>>>> - Confirmation is shown after 1 minute, user does *not* click  *OK* or
>>>> *Cancel*
>>>> - After two or more minutes I'll click OK or Cancel and the confirm
>>>> window closes. But the confirm window of the second timer run is shown.
>>>> - The window is maximal shown two times (e.g. when I am waiting three or
>>>> more minutes)
>>>>
>>>> It should be not very difficult to use a workaround, but I want to
>>>> understand the correct working of the GWT timer.
>>>>
>>>> Thank you!
>>>> -Danny
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>
>>
>>
>
> >
>

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Re: Window.confirm in timer.run()

[Danny Schimke]

Thanks for that detailled answer ;)

2009/3/4 Vitali Lovich 

> You're probably using scheduleRepeat.  Browsers are strictly single
> threaded (some multi-threading Javascript support coming in FF3.1 that I
> know of).  Anyways your problem is this:
>
> run()
> showWindow()
> browser keeps generating timer event probably because that comes from the
> OS & there's no locking in place
> user clicks on button
> next event is shown
>
> Instead do this:
>
> timer.schedule(1000);
> run() {
>showWindow()
>    timer.schedule(1000);
>
> }
>
> On Wed, Mar 4, 2009 at 9:34 AM, Danny Schimke wrote:
>
>> Hello!
>>
>> I am using a timer to ask the user after xy minutes to save his changes to
>> database. In the run() method of timer I ask the user wheather he want to
>> save the changes. If the user clicks OK I'll save othwerwise I'll do
>> nothing. I shedule the timer repeatly after xy minutes. When does the timer
>> reruns? After handling the run() method? I recognized that the timer reruns
>> while the confirm message is shown. Is this an issue or correct? Should the
>> timer rerun while its run() method is not finished? I occurs in Firefox, in
>> IE it works like I am thinking how it should work.
>>
>> Example for Error:
>>
>> - Rerunning timer every 1 minute
>> - Confirmation is shown after 1 minute, user does *not* click  *OK* or *
>> Cancel*
>> - After two or more minutes I'll click OK or Cancel and the confirm window
>> closes. But the confirm window of the second timer run is shown.
>> - The window is maximal shown two times (e.g. when I am waiting three or
>> more minutes)
>>
>> It should be not very difficult to use a workaround, but I want to
>> understand the correct working of the GWT timer.
>>
>> Thank you!
>> -Danny
>>
>>
>>
>
> >
>

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Re: Question about mGoogle Maps URL and its parameter "gwt"

[Danny Schimke]

Thank you very much! Good to know!

-Danny

2009/2/27 Eric Ayers 

>
> Removing that parameter will not affect the functioning of the Maps
> API.  It is currently used for accounting purposes only.
>
> 2009/2/27 Danny Schimke :
> > Hello!
> >
> > Does anyone know what is the parameter "gwt" with the value"1" for? The
> URL looks like the following:
> >
> > http://maps.google.com/maps?gwt=1&file=api&v=2&key=
> >
> > I can't make differences between the functionality of URL with parameters
> and without parameters. Is the this parameter needed and why? Are there
> other possible values instead of "1" and what does they mean?
> >
> > Thank you!
> > -Danny
> >
> > >
> >
>
>
>
> --
> Eric Z. Ayers - GWT Team - Atlanta, GA USA
> http://code.google.com/webtoolkit/
>
> >
>

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Window.confirm in timer.run()

[Danny Schimke]

Hello!

I am using a timer to ask the user after xy minutes to save his changes to
database. In the run() method of timer I ask the user wheather he want to
save the changes. If the user clicks OK I'll save othwerwise I'll do
nothing. I shedule the timer repeatly after xy minutes. When does the timer
reruns? After handling the run() method? I recognized that the timer reruns
while the confirm message is shown. Is this an issue or correct? Should the
timer rerun while its run() method is not finished? I occurs in Firefox, in
IE it works like I am thinking how it should work.

Example for Error:

- Rerunning timer every 1 minute
- Confirmation is shown after 1 minute, user does *not* click  *OK* or *
Cancel*
- After two or more minutes I'll click OK or Cancel and the confirm window
closes. But the confirm window of the second timer run is shown.
- The window is maximal shown two times (e.g. when I am waiting three or
more minutes)

It should be not very difficult to use a workaround, but I want to
understand the correct working of the GWT timer.

Thank you!
-Danny

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Question about mGoogle Maps URL and its parameter "gwt"

[Danny Schimke]

Hello!

Does anyone know what is the parameter "gwt" with the value"1" for? The URL
looks like the following:

http://maps.google.com/maps?*gwt=1*&file=api&v=2&key=

I can't make differences between the functionality of URL with parameters
and without parameters. Is the this parameter needed and why? Are there
other possible values instead of "1" and what does they mean?

Thank you!
-Danny

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Re: GWT Session

[Danny Schimke]

Hey Vagner Araujo!

Thank you for your post! I've searched a long time for something like
handling sessions in GWT!!! :D
I have a question too. Waht's when the session invalidates (e.g. timeout)?
Should there a "heartbeat" which checks the session validity?

Thank you!
-Danny

2009/2/27 Mahavir Jain 

> Thanks Vagner for sharing this.
>
> You can also refer the attached LoginManager which contains user
> Management.
>
> I, too downloaded from somewhere. I don't remember but source code is
> attached.
>
> Thanks.
> Mahavir
>
>
> On Fri, Feb 27, 2009 at 12:32 PM, Vagner Araujo wrote:
>
>>
>> Hello Friends,
>>
>> I was making a simple code of Session for my students.
>> Well, I decided post that code here,
>> because maybe it can serve as a basis for someone.
>>
>> //Main Class
>>
>> package com.javaneses.spring.client;
>>
>> import com.google.gwt.core.client.EntryPoint;
>> import com.google.gwt.core.client.GWT;
>> import com.google.gwt.user.client.Cookies;
>> import com.google.gwt.user.client.Window;
>> import com.google.gwt.user.client.rpc.AsyncCallback;
>> import com.google.gwt.user.client.rpc.ServiceDefTarget;
>> import com.google.gwt.user.client.ui.Button;
>> import com.google.gwt.user.client.ui.ClickListener;
>> import com.google.gwt.user.client.ui.DialogBox;
>> import com.google.gwt.user.client.ui.FlexTable;
>> import com.google.gwt.user.client.ui.FlowPanel;
>> import com.google.gwt.user.client.ui.Label;
>> import com.google.gwt.user.client.ui.PasswordTextBox;
>> import com.google.gwt.user.client.ui.RootPanel;
>> import com.google.gwt.user.client.ui.TextBox;
>> import com.google.gwt.user.client.ui.Widget;
>> import com.javaneses.spring.client.rpc.service.LoginService;
>> import com.javaneses.spring.client.rpc.service.LoginServiceAsync;
>> import com.javaneses.spring.client.rpc.service.SessionService;
>> import com.javaneses.spring.client.rpc.service.SessionServiceAsync;
>>
>> /**
>>  * Entry point classes define onModuleLoad().
>>  */
>> public class Main implements EntryPoint, ClickListener{
>>
>>/**
>> * This is the entry point method.
>> */
>>
>>private final SessionId sessionId = new SessionId();
>>
>>private final DialogBox dialogBox = new DialogBox();
>>private final Label userLabel = new Label("User");
>>private final Label passwdLabel = new Label("Password");
>>private final TextBox userField = new TextBox();
>>private final PasswordTextBox passwdField = new PasswordTextBox();
>>private final Button login = new Button("Login");
>>
>>private final Label welcome = new Label("Welcome");
>>
>>private final User user = new User();
>>
>>{
>>FlexTable flexTable = new FlexTable();
>>
>>flexTable.setWidget(0, 0, userLabel);
>>flexTable.setWidget(0, 1, userField);
>>flexTable.setWidget(1, 0, passwdLabel);
>>flexTable.setWidget(1, 1, passwdField);
>>
>>FlowPanel panel = new FlowPanel();
>>panel.setWidth("100");
>>panel.add(login);
>>
>>flexTable.setWidget(2, 1, panel);
>>
>>dialogBox.setSize("350", "150");
>>dialogBox.add(flexTable);
>>
>>login.addClickListener(this);
>>
>>sessionId.setSessionId(Cookies.getCookie("session"));
>>}//end init block
>>
>>public void onModuleLoad() {
>>
>>validateSession();
>>
>>}//end onModuleLoad
>>
>>private void validateSession(){
>>
>>SessionServiceAsync myServiceAsync =
>> (SessionServiceAsync)GWT.create
>> (SessionService.class);
>>ServiceDefTarget serviceDefTarget = (ServiceDefTarget)
>> myServiceAsync;
>>serviceDefTarget.setServiceEntryPoint("session");
>>
>>AsyncCallback asyncCallback = new
>> AsyncCallback
>> (){
>>public void onFailure(Throwable caught) {
>>System.out.println(caught);
>>}//end onFailure
>>public void onSuccess(SessionId result) {
>>   

Re: How to override style?

[Danny Schimke]

Hi!

Hyperlink is not only a - tag! There is a  (or an other container)
which includes the  tag!
You have to say, that the  tag from the hyperlink is changing its color.
Add the "a" after ".Login" to apply the style to the link.

.Login a {
  color:#FF
}

This should work!
-Danny

2009/2/26 karthickkumarjg 

> Hi
> I hope in CSS, the order it is declared matters. If the css style a is
> referred from the HTML, then it takes the precedence. This might be
> something do deal with CSS than with GWT.
>
> regards
> Arjun.
>
> On Thu, Feb 26, 2009 at 2:37 PM, Ray  wrote:
>
>>
>> Hi,I have a CSS file which has something as follow:
>> a {
>>color: #77;
>>font-size: 12px;
>>text-decoration: none ;
>> }
>>
>> .Login{
>>color:#FF
>> }
>> Now in my GWT application when I using widget Hyperlink  like:
>>  Hyperlink link = new Hyperlink();
>>  link.setText("Login");
>>  link.setStyleName("Login");
>>
>> that link will always using color of #77 not #FF. If CSS
>> setting of a is necessary,how can I override it in my widget?
>>
>>
>
>
> --
> Regards,
> Karthick J G
>
>
> >
>

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Re: Apply CSS in editor area of RichTextArea

[Danny Schimke]

I've seen many examples where JSNI is used, like the following:

private native void myJsniMethod(Element oElement)/*-{
  var oDoc = oElement.contentWindow;
  // var oDoc = oElement.contentWindow || oElement.contentDocument;
  if (oDoc.document != null) {
oDoc = oDoc.document;
// more actions here...
  }
}-*/;

I tried to use JSNI method too. But an error occurs when trying to call *
oElement.contentWindow* because its value is *null* (I've seen in Firefox,
In IE you cant see the reason for throwing the error). Why does it should
work in many examples you can find in the web? Is there anything special to
watch?

-Danny


2009/2/24 Danny Schimke 

> Hi Omer!
>
> 1. Yes I am using Windows and yes: Hosted Mode uses the installed IE.
> 2. The error occurs in compiled mode (Firefox, IE) too.
>
> I show a preview for multilingual text (english, german, french, etc.).
> It's font-family is shown in "Arial,Helvetica", but the RichTextArea is
> using the browsers font (If I am not mistaken!?). It does not look nice,
> when the editors text has a different font, than its preview...
>
> I hope I'll crack this in future ;)
>
> Thank you Omer!!!
> -Danny
>
> 2009/2/24 A Friend Of Yours 
>
>
>> > Any Idea, why the error occurs?
>>
>> No; not really!
>>
>> If you could provide more details:
>> 1. Are you having this error in Hosted Mode or Web Mode?
>> Because some javascript trick don't work in Hosted Mode so things like
>> this happen.
>
>
>>
>> 2. Hosted Mode: Are you using Windows?
>> Hosted Mode browser in windows uses Internet Explorer components to
>> render its view (not sure if it is true though). While I used this in
>> linux where Hosted Mode uses mozilla components.
>>
>> 3. Web Mode: Goes without saying; are you using Internet Explorer for
>> Web Mode?
>> As I had mentioned, I have only tested this solution on Firefox in
>> Linux.
>>
>> Hope this helps
>>
>> Omer Akhter
>>
>> Danny Schimke wrote:
>> > I need to set the CSS for RichTextArea too and tried out your idea. I've
>> got
>> > the following Error in the first line where I create the Document object
>> > using my RichTextArea:
>> >
>> > com.google.gwt.core.client.JavaScriptException: (Error): Unknown Error.
>> >  number: -2147467259
>> >  description: Unknown Error.
>> >
>> > Any Idea, why the error occurs?
>> >
>> > Thanks!
>> > -Danny
>> >
>> > 2009/2/17 A Friend Of Yours 
>> >
>> > >
>> > > Please try to maintain a single thread:
>> > >
>> > >
>> http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/4e1d0c2a8ba725ef
>> > >
>> > > On Feb 17, 8:10 pm, "Manish Kumar"  wrote:
>> > > > Hi All,
>> > > >
>> > > > Could I please have any idea on this( in mail below ).
>> > > >
>> > > > Regards
>> > > > Manish
>> > > >
>> > > >   - Original Message -
>> > > >   From: Manish Kumar
>> > > >   To: Google-Web-Toolkit@googlegroups.com
>> > > >   Sent: Tuesday, February 17, 2009 10:46 AM
>> > > >   Subject: Apply CSS in editor area of RichTextArea
>> > > >
>> > > >   Hi Everybody,
>> > > >
>> > > >   While working on adding RichTextArea with my project.I would like
>> to
>> > > apply css on editor area of Rich Text Area control so that I can set
>> font
>> > > behaviours ( font-family, font-weight,font-size etc ) being displayed
>> in the
>> > > rich text area editing area a bit changeable.
>> > > >
>> > > >   can anybody help me out to get rid of this issue.
>> > > >
>> > > >   Thanks
>> > > >   Manish
>> > > >
>> > >
>> >>
>>
>

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Re: Apply CSS in editor area of RichTextArea

[Danny Schimke]

Hi Omer!

1. Yes I am using Windows and yes: Hosted Mode uses the installed IE.
2. The error occurs in compiled mode (Firefox, IE) too.

I show a preview for multilingual text (english, german, french, etc.). It's
font-family is shown in "Arial,Helvetica", but the RichTextArea is using the
browsers font (If I am not mistaken!?). It does not look nice, when the
editors text has a different font, than its preview...

I hope I'll crack this in future ;)

Thank you Omer!!!
-Danny

2009/2/24 A Friend Of Yours 

>
> > Any Idea, why the error occurs?
>
> No; not really!
>
> If you could provide more details:
> 1. Are you having this error in Hosted Mode or Web Mode?
> Because some javascript trick don't work in Hosted Mode so things like
> this happen.


>
> 2. Hosted Mode: Are you using Windows?
> Hosted Mode browser in windows uses Internet Explorer components to
> render its view (not sure if it is true though). While I used this in
> linux where Hosted Mode uses mozilla components.
>
> 3. Web Mode: Goes without saying; are you using Internet Explorer for
> Web Mode?
> As I had mentioned, I have only tested this solution on Firefox in
> Linux.
>
> Hope this helps
>
> Omer Akhter
>
> Danny Schimke wrote:
> > I need to set the CSS for RichTextArea too and tried out your idea. I've
> got
> > the following Error in the first line where I create the Document object
> > using my RichTextArea:
> >
> > com.google.gwt.core.client.JavaScriptException: (Error): Unknown Error.
> >  number: -2147467259
> >  description: Unknown Error.
> >
> > Any Idea, why the error occurs?
> >
> > Thanks!
> > -Danny
> >
> > 2009/2/17 A Friend Of Yours 
> >
> > >
> > > Please try to maintain a single thread:
> > >
> > >
> http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/4e1d0c2a8ba725ef
> > >
> > > On Feb 17, 8:10 pm, "Manish Kumar"  wrote:
> > > > Hi All,
> > > >
> > > > Could I please have any idea on this( in mail below ).
> > > >
> > > > Regards
> > > > Manish
> > > >
> > > >   - Original Message -
> > > >   From: Manish Kumar
> > > >   To: Google-Web-Toolkit@googlegroups.com
> > > >   Sent: Tuesday, February 17, 2009 10:46 AM
> > > >   Subject: Apply CSS in editor area of RichTextArea
> > > >
> > > >   Hi Everybody,
> > > >
> > > >   While working on adding RichTextArea with my project.I would like
> to
> > > apply css on editor area of Rich Text Area control so that I can set
> font
> > > behaviours ( font-family, font-weight,font-size etc ) being displayed
> in the
> > > rich text area editing area a bit changeable.
> > > >
> > > >   can anybody help me out to get rid of this issue.
> > > >
> > > >   Thanks
> > > >   Manish
> > > >
> > >
> >
>

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Re: Apply CSS in editor area of RichTextArea

[Danny Schimke]

I need to set the CSS for RichTextArea too and tried out your idea. I've got
the following Error in the first line where I create the Document object
using my RichTextArea:

com.google.gwt.core.client.JavaScriptException: (Error): Unknown Error.
 number: -2147467259
 description: Unknown Error.

Any Idea, why the error occurs?

Thanks!
-Danny

2009/2/17 A Friend Of Yours 

>
> Please try to maintain a single thread:
>
> http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/4e1d0c2a8ba725ef
>
> On Feb 17, 8:10 pm, "Manish Kumar"  wrote:
> > Hi All,
> >
> > Could I please have any idea on this( in mail below ).
> >
> > Regards
> > Manish
> >
> >   - Original Message -
> >   From: Manish Kumar
> >   To: Google-Web-Toolkit@googlegroups.com
> >   Sent: Tuesday, February 17, 2009 10:46 AM
> >   Subject: Apply CSS in editor area of RichTextArea
> >
> >   Hi Everybody,
> >
> >   While working on adding RichTextArea with my project.I would like to
> apply css on editor area of Rich Text Area control so that I can set font
> behaviours ( font-family, font-weight,font-size etc ) being displayed in the
> rich text area editing area a bit changeable.
> >
> >   can anybody help me out to get rid of this issue.
> >
> >   Thanks
> >   Manish
> >
>

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onLostFocus and onChanged not fired if browser-window is closing

[Danny Schimke]

Hi!

I have a textbox which should change some data by onChange. If I am closing
the browser window over it's close button ("x") the onChange and onLostFocus
is not fired. Is it possible to solve this problem? I can not use a
KeyListener, because i have to change data in one way (I need only one fired
event instead of multiple).

-Danny

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Re: Google Map Info Window

[Danny Schimke]

Hello Arend!

You could use a normal button that is styled like a hyperlink using CSS.
Search the group for "disable
Hyperlink<http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/027cf4dd1a370cc3/872529a92f569666?show_docid=872529a92f569666&pli=1>"
and you should find the right thing!

Hope it was helpful for you!

-Danny

2009/2/20 Arend van der Veen 

>
> Hi,
>
> I am using the gwt google map api.  Previously, I had a hypertext link
> on a InfoWindow in Google Maps.  This link loaded a new page.  I am
> now trying to implement the same functionality in GWT.  I can still
> add a hypertext link in the InfoWindowContent but I can not figure out
> how to have it throw an event in my application.
>
> Is it possible to add a hypertext link (or button) on a InfoWindow
> that triggers an event in GWT?
>
>
> Thanks,
> Arend
> >
>

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Re: Changing color of text on fly.

[Danny Schimke]

Hi!

If I understood correctly you want to change the color of - Tags of
a select- input (ListBox)!?

you can add a CSS- class:

listBox.getElement().getElementsByTagName("option").getItem().setClassName()

But in IE I habe a problem too... the color only changes, if the ListBox was
drawing again on the screen after adding the class.

-Danny

2009/2/20 Mani 

>
> Hi,
>
> I have a list box which will populate values from database. Based on
> certain conditions, I need to display each value in appropriate color.
> How to change color of text? Here is piece of code that I have.
>
> userNameBox = new ListBox(false);
> userNameBox.ensureDebugId("cwListBox-multiBox");
> userNameBox.setTitle("UNAME_BOX");
> userNameBox.setWidth("11em");
> userNameBox.setVisibleItemCount(10);
> userNameBox.setStyleName(".gwt-ListBox1");
>
> userNameBox.addItem(-- values from database--);
>
> Thanks
> Mani
>
> >
>

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Re: Restrain the DialogBox to move out of browser window

[Danny Schimke]

No idea?

2009/1/28 Danny Schimke 

> Hello!
>
> Is it possible to restrain the DialogBox to move out on right and bottom
> side of the browsers windows? When I move the box over it's header it should
> stay completely in the visible browser window area, because I disabled the
> scroll bars and the user should not be able to move the DialogBox in a not
> viewed area.
>
> And second: in IE6 the DialogBox is only dragable by the text in it's
> header. Is there a clean way to allow IE6 users to drag&drop the box like in
> FF or IE7 over the complete header?
>
> Thank you very much!
> - Danny
>

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Searching another HTML editor

[Danny Schimke]

Hello!

Issue 
3103<http://code.google.com/p/google-web-toolkit/issues/detail?can=2&q=3103&colspec=ID%20Type%20Status%20Priority%20Milestone%20Owner%20Summary&id=3103>is
the reason why I am searching another HTML editor than GWT's
RichTextArea. I tried gwt-html-editor and it worked, but it was not what I
am searched for. The possibilities of using the Toolbar and the way to edit
it were not sufficient for me. Are there some other editors which can used
by GWT? It should be able to bold, italic, underline text and set the
font-size...

Thank you!
-Danny

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Re: Script error in IE 7 in web mode

[Danny Goovaerts]

Arend,
Thanks for the reply. I've been able to pinpoint the place where the
problem occurs and it is indeed in a class where
I parse the XML reply coming back from the server. It was working fine
previously in all browsers. The difference is that the XML is larger
now. Maybe Internet Explorer has a limit on the size  XML documents
that it can handle. I will investigate further and post my findings.

Danny

On 5 feb, 16:45, Arend van der Veen 
wrote:
> Hi Danny,
>
> I had a similar problem when I was parsing an XML document.  In my case, I
> was a little careless about trapping errors and casting classes.  As it
> turned out Safari and Firefox ignored the errors while IE generated an
> error.  I was able to identify the offending lines of code and rewrote them
> and made sure that I caught all the errors.
>
> Hope this helps,
> Arend
>
> On Thu, Feb 5, 2009 at 4:57 AM, Danny Goovaerts
> wrote:
>
>
>
>
>
> > I have a GWT application that runs OK in hosted mode. When I compile
> > it, it gives a script error on Internet Explorer 7. The compile
> > version runs correctly in Firfox, Chrome and Safari.
> > I've turned on script debugging in IE7 and it gives me the following
> > message (translated from Dutch)
> > --
> > Line : 2
> > Character : 23530
> > Error : Exception activated but not handled
> > Code: 0
> > -
>
> > Can anyone point me to some documentation how I can further
> > investigate what's wrong. The application is quite big, so it's not so
> > easy to isolate the piece of code where it goes wrong.
>
> > Thanks,
>
> > Danny- Tekst uit oorspronkelijk bericht niet weergeven -
>
> - Tekst uit oorspronkelijk bericht weergeven -
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Re: Call event after an other

[Danny Schimke]

It does not work...I am doing anything wrong.

Can you *explain how to use this*? I try to describe again: I habe 2 events,
both in a own class. The onClick from save button in "class A" and the
onChange from the textbox in "class B". If the onChange is fired the save is
fired too (look at my first comment this thread). But I need the possibility
to wait starting onClick until onChange is running.

-Danny

2009/2/5 Damien Picard 

> Hi !
>
> You can control event propagation with low-level functions (onBrowserEvent,
> Event) ; in your case, use the Event.cancelBubble function :
>
>
> http://google-web-toolkit.googlecode.com/svn/javadoc/1.5/com/google/gwt/user/client/Event.html#cancelBubble(boolean)<http://google-web-toolkit.googlecode.com/svn/javadoc/1.5/com/google/gwt/user/client/Event.html#cancelBubble%28boolean%29>
>
> 2009/2/5 Danny Schimke 
>
> Hi!
>>
>> If I have following problem: I enter some text in a textbox. Now I click
>> on a button to save data to a database. With leaving the edit ists onChange-
>> event is called, but the onClick- event of the button is called too at same
>> the time. Saving is faster than onChange. I tried to handle the onClick
>> after other events have done their work by using a "DeferedCommand". But is
>> doesn't work. Saving is allways faster than the onChange.
>>
>> Is there a way to control the handling-order of events?
>>
>> Thank you!
>> -Danny
>>
>>
>>
>
> >
>

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Call event after an other

[Danny Schimke]

Hi!

If I have following problem: I enter some text in a textbox. Now I click on
a button to save data to a database. With leaving the edit ists onChange-
event is called, but the onClick- event of the button is called too at same
the time. Saving is faster than onChange. I tried to handle the onClick
after other events have done their work by using a "DeferedCommand". But is
doesn't work. Saving is allways faster than the onChange.

Is there a way to control the handling-order of events?

Thank you!
-Danny

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Script error in IE 7 in web mode

[Danny Goovaerts]

I have a GWT application that runs OK in hosted mode. When I compile
it, it gives a script error on Internet Explorer 7. The compile
version runs correctly in Firfox, Chrome and Safari.
I've turned on script debugging in IE7 and it gives me the following
message (translated from Dutch)
--
Line : 2
Character : 23530
Error : Exception activated but not handled
Code: 0
-

Can anyone point me to some documentation how I can further
investigate what's wrong. The application is quite big, so it's not so
easy to isolate the piece of code where it goes wrong.

Thanks,

Danny
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Re: Bad link for GWT Documentation

[Danny Schimke]

I called the GWT docs and everything worked fine...

2009/2/4 Ricky 

>
> Did you notice that the link to GWT docs is broken for weeks !
>
> It does just redirect to the documentation of... "Google Code
> documentation reader"
>
>
>
> >
>

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Re: Hosted Mode not refreshing

[Danny Schimke]

If you are using Eclipse do a clean on your Project(s) und refresh them.
Maybe it will help.

-Danny

2009/2/4 gemmasilvers 

>
> Yup, I cleared the IE cache and still no joy.
>
> Any other suggestions, please?
>
> Thanks!
> Gemma
>
> On Feb 3, 6:44 pm, Lupo  wrote:
> > Hi -
> > I am new to GWT and had a similar issue as I was going through one of
> > the tutorials.  For me, anyway, I was clearing the wrong browser
> > cache.  I had FF and IE on the machine and was clearing the FF cache
> > but Hosted Mode uses IE.  Once I cleared IE's cache, updated code!
> >
> > I hope this is helpful.
> http://groups.google.com/group/Google-Web-Toolkit/msg/700aeb86f40482de
> >
> > On Feb 3, 7:28 am, gemmasilvers  wrote:
> >
> > > Hello all,
> >
> > > I've inherited a GWT app from a colleague and am currently attempting
> > > to develop it further - but unfortunately I'm getting stuck with
> > > Hosted Mode.  No matter how many times I clear the browser cache,
> > > click refresh on the hosted mode browser, or shout, the parts I've
> > > updated don't update in Hosted Mode.
> >
> > > I've also tried removing the tomcat directory, removing the gwt-tmp
> > > directory Has anyone got any other ideas before I go mad?
> >
> > > Thanks!
> > > Gemma
> >
>

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Re: Check whether browser is supported

[Danny Schimke]

I forgot: I can use the - tag in the html- sourcefile... That
should work... I reply again to tell if everything worked well

-Danny

2009/2/3 Danny Schimke 

> This was helpful. But is there a way to keep out browsers which does 
> *not*support javascript like the "W3M" browser? The gwt:onLoadErrorFn- content
> have to be a javascript-function(?), but can I load a simple HTML page
> instead without using javascript?
>
> 2009/2/3 Joe Cole 
>
>
>> See this thread. We use this and it works well.
>>
>>
>> http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/41ce4b44e0d4e262/abd93affd092bb47?lnk=gst&q=profilercorporation#abd93affd092bb47
>>
>> On Feb 3, 11:32 pm, Danny Schimke  wrote:
>> > Is there an easy way to check whether GWT supports a browser, for
>> example in
>> > EntryPoint to tell the user, that the Browser is not supported? We've
>> got a
>> > empty site if we browse our application in a not supported Browser.
>> >
>> > Thank you!
>> >
>> > -Danny
>> >>
>>
>

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