Re: Development view Open / Open With don't work

[Daniel Kurka]

which version of gwt are you running?



2010/10/11 Rud rudmerr...@gmail.com

 I am using the GWT plugin in Eclipse but seeing different behariors on
 two machines. On one machine after running my app the development view
 open / open with menu brings up the application in a browser. On the
 other machine it won't. Instead I have to do the copy URL and past
 it into the browser.

 Both machines are running the same version of Eclipse and OS (Win XP
 SP3) with Explorer and Chrome installed. Neither browser is invoked
 with the 'open with'.

 Any ideas why the difference?

 Rud
 http://www.mysticlakesoftware.com

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Re: newbie - GWT.getHostPageBaseURL() + greetingService?input= + string);

[Daniel Kurka]

Hello Ray,

if you are wondering what url the gwt async uses, you can see this in
firebug (network tab).

I think you are missing your module in the url.
Dont use  GWT.getHostPageBaseURL() use GWT.getModuleBaseURL() and you should
be fine.


-Daniel Kurka

2010/10/11 Ray Tayek rta...@ca.rr.com

 At 03:47 PM 10/10/2010, you wrote:

 hi, i would like to add a timeout to some of my async callbacks. i am
 using a hacked up version of greet server. the normal code:
 greetingService.greetServer(id, new AsyncCallbackString() { ... }

 ...

 using the second (please see code below),  the code:
  GWT.getHostPageBaseURL() + greetingService?input= + string);

 returns: http://127.0.0.1:/greetingService?input=Command1

 the url that the browser uses is:
 http://127.0.0.1:/Rtecg2.html?gwt.codesvr=127.0.0.1:9997

 can someone tell me the correct url to use or how to fix the code to get
 it programatically?


 i'm geting a 404, the console says: [WARN] 404 - GET
 /greetingService?input=command0id (127.0.0.1) 1401 bytes

 the complete console log is below.

 so i am trying to find out what the correct url is. the other normal async
 calls work fine, but i do not know what url that uses.

 thanks

 (Rtecg2.java:61) 2010-10-10 16:17:31,640 [INFO ] got wire: command0 fail!
 (Rtecg2.java:103) 2010-10-10 16:17:31,640 [INFO ]
 http://127.0.0.1:/greetingService?input=command0id
 [WARN] 404 - GET /greetingService?input=command0id (127.0.0.1) 1401 bytes
   Request headers
  Host: 127.0.0.1:
  User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US;
 rv:1.9.2.10) Gecko/20100914 Firefox/3.6.10 ( .NET CLR 3.5.30729)
  Accept:
 text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
  Accept-Language: en-us,en;q=0.5
  Accept-Encoding: gzip,deflate
  Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
  Keep-Alive: 115
  Connection: keep-alive
  Content-Type: text/plain; charset=utf-8
  Referer: http://127.0.0.1:/rtecg2/hosted.html?rtecg2
   Response headers
  Content-Type: text/html; charset=iso-8859-1
  Content-Length: 1401
 (Rtecg2.java:109) 2010-10-10 16:17:31,671 [ERROR] fail!




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Re: Set up of GWT site

[alexoffspring]

mumble mumble

..i'm not sure, but i think that the example does not particularly
suit since SimplePanel can have only one Widget; so you can only add
one hyperlynk (About Me, about),  let's say, and not the
(feedback) one, so you cannot switch.
Moreover, if you decide to change panel and use the Vertical one, you
don't have the setWidget method.



On 8 Ott, 16:25, Brian hibr...@gmail.com wrote:
 You just 'new' your class and add it where you want to place it.

 for instance, as a simple example you'd could have:

 SimplePanel mMyPanel;

 public void onModuleLoad() {
  mMyPanel = new SimplePanel();
  mMyPanel.add(new Hyperlink(About Me, about));
  RootPanel.get().add(mMyPanel);

   History.addValueChangeHandler(this);

 }

 public void onValueChange(ValueChangeEvent event) {

   if (event.getValue().equals(about)){
     AboutPage ap = new AboutPage();  // this is your composite, in
 AboutPage.java
     mMyPanel.clear();  // get rid of whatever was in there
     mMyPanel.setWidget(ap); // and replace it with your about page
   } else if (event.getValue().equals(feedback)){
     FeedbackPage fp = new FeedbackPage(); // this is another of your
 composites
     mMyPanel.clear();
     mMyPanel.setWidget(fp);
   } else {... }

 }

 None of this will open a new page.  You're just replacing widgets
 already in the DOM with new widgets, based on the history.

 -Brian

 On Oct 8, 4:54 am, alexoffspring alessales...@gmail.com wrote:



  Great.
  And supposing that i have already created my composite widget into a
  new .java class. How do i call this new page??
  Window.open(..) ??

  And if i don't want to open a new page, how can i hide the old page
  components?

  Thanks in advance

  On 6 Ott, 22:10, Brian hibr...@gmail.com wrote:

   Generally in a gwt app, all links stay within your application (all
   within the same html page).  The links are just tokens that are
   handled by your single app (which is hosted in one page).

   In 100% pseudo code, you'd have something like:

   whenHistoryChanged(token){
    if (token.equals(about)){
       show(about screen);
     } else if (token.equals(feeback)){
       show(feedback screen);
    }

   }

   Take a look 
   at:http://google-web-toolkit.googlecode.com/svn/javadoc/2.0/com/google/g...

   In the onValueChange method, you compare the event.getValue() with
   your tokens (about, feedback etc) and replace the content with the
   content for that page.

   You would probably create a new 'widget' or composite widget, for each
   of your pages.  And yeah, each page would probably be in its own .java
   file.

   On Oct 6, 3:46 pm, nick kov nickko...@gmail.com wrote:

This question is for the developers that are more experienced with
GWT. I am wondering exactly how you set a site up in terms of
navigation? For example with HTML I would naturally use links to
travel between pages, etc. But with GWT, if somebody clicks on a link
on your site, do you guys just hide() the widgets and load new ones.
Or do you take them to a different page entirely?

Also I am wondering how the structure of a neat site looks using GWT.
For example, do I create a new .java file for each page that exists on
the site? I'm just relatively new to this and need some pointers.
Thanks!- Nascondi testo citato

   - Mostra testo citato -- Nascondi testo citato

 - Mostra testo citato -

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Re: class HorizontalPanel has no appropriate setUifield() method

[Giuseppe Sacco]

On 11 Ott, 07:41, Prashant Hegde prashant.he...@gmail.com wrote:
 In your UiBinder XML file seems like you have a typo - Change *uifield *to *
 ui:field*

I couldn't believe I am so thoughtless... Thanks a lot Prashant

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Re: GWT portlets application

[christophe.jour...@stambia.com]

Thanks for the answers but finally I found a gwt library to make
simple portlets, better than GWT Windows.
This is GWT Drag-and-Drop : http://code.google.com/p/gwt-dnd/

Thanks again.
Christophe


On 7 oct, 21:55, Armishev, Sergey sarmis...@idirect.net wrote:
 If you want multi window interface with ability to
 drag/drop/minimize/maximize take a look at GWT window manager. I used it
 in my web application and my customers are very 
 happyhttp://www.gwtwindowmanager.org/

 Here is a demo URLhttp://www.gwtwindowmanager.org/demo/GwmDemo.html

 -Sergey

 -Original Message-
 From: google-web-toolkit@googlegroups.com

 [mailto:google-web-tool...@googlegroups.com] On Behalf Of
 christophe.jour...@stambia.com
 Sent: Thursday, October 07, 2010 7:30 AM
 To: Google Web Toolkit
 Subject: GWT portlets application

 Hi, I want to make an application with portlets. So I want the
 possibility to drag and drop any portlet in some predefined places.

 Is it possible with only GWT or is there a library wich make it simple
 to do? I've seen the GWT Google Portlets project but it seems we
 can't drag and drop the windows. I've also seen that SmartGWT can make
 portlets but for many reasons I don't want to use SmartGWT.

 Thanks.
 Christophe.

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Re: GWT can't compile for simple example

[heros]

It's seem the problem coming from GWT complier can't get or loss main
class (Testgwt ) to bind with generated uibinder code
(Testgwt_BinderImpl.java).

But when I move the uibinder (Testgwt.ui.xml) to another class
(HelloWorld.java + HelloWorld.ui.xml) and then call it in main class,
GWT complier can build it sucessfully.

===NEW
Testgwt.java==
package testgwt.client;


import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.RootLayoutPanel;

/**
 * Entry point classes define codeonModuleLoad()/code.
 */
public class Testgwt implements EntryPoint {
/**
 * This is the entry point method.
 */
public void onModuleLoad() {
HelloWorld hello = new HelloWorld();
RootLayoutPanel root = RootLayoutPanel.get();
root.add(hello);
}
}


This is GWT's bug or I missed some configurations???

Thanks in advanced.

Hung


On Oct 11, 9:33 am, heros lvh...@gmail.com wrote:
 I have tried complied a simple example, but unsuccessful.
 Below is the enviroment  the source files:
 ===
 GWT 2.0.4
 App Engine 1.3.7
 ===Testgwt.java=
 package testgwt.client;

 import com.google.gwt.core.client.EntryPoint;
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.uibinder.client.UiBinder;
 import com.google.gwt.user.client.ui.HTMLPanel;
 import com.google.gwt.user.client.ui.RootLayoutPanel;

 /**
  * Entry point classes define codeonModuleLoad()/code.
  */
 public class Testgwt implements EntryPoint {
         interface Binder extends UiBinderHTMLPanel, Testgwt { }

         private static final Binder binder = GWT.create(Binder.class);

         /**
          * This is the entry point method.
          */
         public void onModuleLoad() {
                 // Create the UI defined in Testgwt.ui.xml.
                 HTMLPanel outer = binder.createAndBindUi(this);

             // Add the outer panel to the RootLayoutPanel, so that it will be
             // displayed.
             RootLayoutPanel root = RootLayoutPanel.get();
             root.add(outer);
         }}

 ==Testgwt.ui.xml
 ui:UiBinder
   xmlns:ui='urn:ui:com.google.gwt.uibinder'
   xmlns:g='urn:import:com.google.gwt.user.client.ui'

                 g:HTMLPanel
                         divHello/div
                 /g:HTMLPanel

 /ui:UiBinder
 ===Testgwt.gwt.xml==
 ?xml version=1.0 encoding=UTF-8?
 module rename-to='testgwt'
   !-- Inherit the core Web Toolkit stuff.                        --
   inherits name='com.google.gwt.user.User'/

   !-- Other module inherits                                      --

   !-- Specify the app entry point class.                         --
   entry-point class='testgwt.client.Testgwt'/

   !-- Specify the paths for translatable code                    --
   source path='client'/

 /module
 ==ERROR==
 Compiling module testgwt.Testgwt
    Scanning for additional dependencies: file:/C:/Working/GoogleApps/
 test/testgwt/src/testgwt/client/Testgwt.java
       Adding '2' new generated units
          Validating newly compiled units
             [ERROR] Errors in 'generated://
 3A2648B040DA67E0B1A95A005D54476A/testgwt/client/
 Testgwt_BinderImpl.java'
                [ERROR] Line 8: No source code is available for type
 testgwt.client.Testgwt; did you forget to inherit a required module?
                See snapshot: C:\DOCUME~1\HUNGLE~1\LOCALS~1\Temp
 \Testgwt_BinderImpl1062054062811714171.java
       [ERROR] Unable to find recently-generated type
 'testgwt.client.Testgwt_BinderImpl
    [ERROR] Errors in 'file:/C:/Working/GoogleApps/test/testgwt/src/
 testgwt/client/Testgwt.java'
       [ERROR]  Internal compiler error
 java.lang.RuntimeException: Unable to commit generated files
         at
 com.google.gwt.dev.jdt.WebModeCompilerFrontEnd.doFindAdditionalTypesUsingRebinds(WebModeCompilerFrontEnd.java:
 131)
         at com.google.gwt.dev.jdt.AbstractCompiler$Sandbox
 $CompilerImpl.process(AbstractCompiler.java:200)
         at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:
 444)
         at com.google.gwt.dev.jdt.AbstractCompiler$Sandbox
 $CompilerImpl.compile(AbstractCompiler.java:123)
         at com.google.gwt.dev.jdt.AbstractCompiler$Sandbox
 $CompilerImpl.compile(AbstractCompiler.java:234)
         at com.google.gwt.dev.jdt.AbstractCompiler$Sandbox$CompilerImpl.access
 $200(AbstractCompiler.java:109)
         at
 com.google.gwt.dev.jdt.AbstractCompiler.compile(AbstractCompiler.java:
 522)
         at
 

Re: Eclipse, JSNI and Alt+Shift+F

[Thomas Broyer]

On 9 oct, 04:05, Sandler smike...@gmail.com wrote:
 Hi, im not quite sure what i did, but native methods with a jsni block
 get handled like normal comments. This looks really terrible when i
 try to format the classes. Is there any way to get rid of that? Don´t
 want to reinstall eclipse. Code Style - Formatter helped nothing.

 Please help!! ^^

Make sure your GWT-Java file opens in the GWT Java Editor so it
understands JSNI.
Right-click - Open with... - GWT Java Editor
(it should be automatic if your project has GWT enabled in its
preferences)

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Re: Integration of hibernate with GWT

[Thomas Broyer]

On 9 oct, 18:22, Y2i yur...@gmail.com wrote:
 Thomas, when you say it shouldn't be that hard to port to any
 server, what do you mean by the server?  A javax.servlet container
 like Jetty or an application server, like Geronimo, Glassfish, etc.?

I meant javax.servlet container (does that really make a difference? I
don't use application servers so I really don't know; I only know I
don't need one ;-) )

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Re: Development view Open / Open With don't work

[Thomas Broyer]

On 11 oct, 02:07, Rud rudmerr...@gmail.com wrote:
 I am using the GWT plugin in Eclipse but seeing different behariors on
 two machines. On one machine after running my app the development view
 open / open with menu brings up the application in a browser. On the
 other machine it won't. Instead I have to do the copy URL and past
 it into the browser.

 Both machines are running the same version of Eclipse and OS (Win XP
 SP3) with Explorer and Chrome installed. Neither browser is invoked
 with the 'open with'.

 Any ideas why the difference?

Do you have a browser configured in Eclipse's preferences? (under
General - web browser)

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Re: some newbie questions

[Thomas Broyer]

On 9 oct, 04:15, Ray Tayek rta...@ca.rr.com wrote:
 hi, starting a project using eclipse galileo and a week old download
 of gwt eclipse plugin..

 i sometime get a: A widget that has an existing parent widget may
 not be added to the detach list error when doing the following type of thing:

 //div id=barstatic bar/div
 Label bar = new Label(bar label);
 bar.getElement().setId(barid);
 RootPanel.get(bar).add(bar);
 RootPanel rp = RootPanel.get(barid);

You cannot have root widgets whose elements are nested (i.e. there's
no parent/child relationship between the widgets, but there's one
between their elements in the DOM). There are several reasons
(including FUD) and there has never been a compelling argument for
allowing it.
The only exception is RootPanel.get() (without an ID argument).

 this usually fails. doesn't seem to matter whether bar is a panel, an
 html, or a label (does seem to work with buttons though). seems like
 i am not using gwt properly and breaking some rule 
 like:http://markmail.org/message/l3okzeqycanf5alg

 can someone point me to some doc on this?

See issue 3552 (RootPanel.get() is very similar to SomeWidget.wrap()
methods)

 also, i am using gwt-logger. when this crashes, i get this big grey
 thing that says: GWT Code Server Disconnected  which hides the log
 stiff and my html stuff. i have poor vision, is there some way to
 move the thing that has the GWT Code Server Disconnected  so i can
 see what's underneath?

In Firebug or any developer tool, set display:none on the DIV.

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Re: newbie - GWT.getHostPageBaseURL() + greetingService?input= + string);

[Ray Tayek]

At 11:22 PM 10/10/2010, you wrote:

Hello Ray,

if you are wondering what url the gwt async uses, you can see this 
in firebug (network tab).


cool


I think you are missing your module in the url.
Dont use  GWT.getHostPageBaseURL() use GWT.getModuleBaseURL() and 
you should be fine.


that and changing greetingService to greet gets me: 
http://127.0.0.1:/rtecg2/greet?input=Command2, and a 405 HTTP 
method GET is not supported by this URL .


changing get to put does not help
trying a post , gets a 505: javax.servlet.ServletException: 
Content-Type was 'text/plain; charset=utf-8'. Expected 'text/x-gwt-rpc'.


i am sending just a string. my code (please see below) tries to build 
a request with a timeout. the normal code that works uses:


greetingService.greetServer(id, new AsyncCallbackString() { ... }

thanks


private void sendStringToServer(final String string, final Label label) {
Log.info(sending:  + string + , label= + label);
final String request = GWT.getModuleBaseURL() + greet?input= + string;
Log.info(request);
RequestBuilder requestBuilder = new 
RequestBuilder(RequestBuilder.POST, request);

requestBuilder.setTimeoutMillis(6);
RequestCallback requestCallback = new RequestCallback() {
@Override
public void onError(Request request, Throwable exception) {
Log.error(fail!  + exception);
label.setText(fail!  + exception);
}

@Override
public void onResponseReceived(Request request, Response response) {
int statusCode = response.getStatusCode();
if (statusCode != Response.SC_OK) {
this.onError(request, null);
return;
}
final String answer = response.getText();
Log.info(answer= + answer);
if (label != null)
label.setText(answer);
}
};

try {
requestBuilder.sendRequest(null, requestCallback);
} catch (RequestException e) {
requestCallback.onError(null, e);
}
}





-Daniel Kurka

2010/10/11 Ray Tayek mailto:rta...@ca.rr.comrta...@ca.rr.com
At 03:47 PM 10/10/2010, you wrote:
hi, i would like to add a timeout to some of my async callbacks. i 
am using a hacked up version of greet server. the normal code: 
greetingService.greetServer(id, new AsyncCallbackString() { ... }


...

using the second (please see code below),  the 
code:  GWT.getHostPageBaseURL() + greetingService?input= + string);


returns: 
http://127.0.0.1:/greetingService?input=Command1http://127.0.0.1:/greetingService?input=Command1


the url that the browser uses is: 
http://127.0.0.1:/Rtecg2.html?gwt.codesvr=127.0.0.1:9997http://127.0.0.1:/Rtecg2.html?gwt.codesvr=127.0.0.1:9997


can someone tell me the correct url to use or how to fix the code to 
get it programatically?



i'm geting a 404, the console says: [WARN] 404 - GET 
/greetingService?input=command0id (127.0.0.1) 1401 bytes ...


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Good GWT development tools

[lalit]

Our project with time has become bigger. We are finding that the
change-compile-run cycle is becoming bigger and bigger, especially
if we change the server side code.

We are using Spring, Hibernate and Gilead (for taking Entities to the
front layer).

Do any one knows about better tools or processes where we can reduce
the change-compile-run cycle.

thanks in advance,

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Re: Good GWT development tools

[András Csányi]

On 11 October 2010 11:36, lalit lalit.bh...@gmail.com wrote:
 Our project with time has become bigger. We are finding that the
 change-compile-run cycle is becoming bigger and bigger, especially
 if we change the server side code.

 We are using Spring, Hibernate and Gilead (for taking Entities to the
 front layer).

 Do any one knows about better tools or processes where we can reduce
 the change-compile-run cycle.

 thanks in advance,

Can we know what tools are you using and what is your problem exactly?
At first sight I think you can reduce compile time by more cpu and
memory. :)

-- 
- -
--  Csanyi Andras (Sayusi Ando)  -- http://sayusi.hu --
http://facebook.com/andras.csanyi
--  Trust in God and keep your gunpowder dry! - Cromwell

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JavaScriptException every time i make a rpc call more than one

[jsmith]

Hi,

when i load my application the first time, everythink works.
but when i interact with it and  i make a rpc call a second time, my
app crashes with a JavaScriptException:
i have no idea how to solve this.

best regards


com.google.gwt.core.client.JavaScriptException: (null): null
at
com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:
195)
at
com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:
120)
at
com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:
507)
at
com.google.gwt.dev.shell.ModuleSpace.invokeNativeBoolean(ModuleSpace.java:
179)
at
com.google.gwt.dev.shell.JavaScriptHost.invokeNativeBoolean(JavaScriptHost.java:
35)
at
com.google.gwt.user.client.rpc.impl.RemoteServiceProxy.isStatsAvailable(RemoteServiceProxy.java)
at
com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.onResponseReceived(RequestCallbackAdapter.java:
221)
at
com.google.gwt.http.client.Request.fireOnResponseReceived(Request.java:
287)
at com.google.gwt.http.client.RequestBuilder
$1.onReadyStateChange(RequestBuilder.java:393)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at
com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
at
com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
at
com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:
157)
at
com.google.gwt.dev.shell.BrowserChannel.reactToMessagesWhileWaitingForReturn(BrowserChannel.java:
1714)
at
com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:
165)
at
com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:
120)
at
com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:
507)
at
com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:
264)
at
com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:
91)
at com.google.gwt.core.client.impl.Impl.apply(Impl.java)
at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:188)
at sun.reflect.GeneratedMethodAccessor48.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at
com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
at
com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
at
com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:
157)
at
com.google.gwt.dev.shell.BrowserChannel.reactToMessages(BrowserChannel.java:
1669)
at
com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:
401)
at
com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:
222)
at java.lang.Thread.run(Unknown Source)

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Re: JavaScriptException every time i make a rpc call more than one

[jsmith]

i got a hostpage which uses some javascript on its own for styling
purposes.
when i use a blank page just for testing, the error doesnt't occur
anymore.
so maybe the gwt code and the javascript in the host page overlap and
then cause problems.

On Oct 11, 12:16 pm, jsmith 3p1...@googlemail.com wrote:
 Hi,

 when i load my application the first time, everythink works.
 but when i interact with it and  i make a rpc call a second time, my
 app crashes with a JavaScriptException:
 i have no idea how to solve this.

 best regards

 com.google.gwt.core.client.JavaScriptException: (null): null
     at
 com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:
 195)
     at
 com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:
 120)
     at
 com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:
 507)
     at
 com.google.gwt.dev.shell.ModuleSpace.invokeNativeBoolean(ModuleSpace.java:
 179)
     at
 com.google.gwt.dev.shell.JavaScriptHost.invokeNativeBoolean(JavaScriptHost.java:
 35)
     at
 com.google.gwt.user.client.rpc.impl.RemoteServiceProxy.isStatsAvailable(RemoteServiceProxy.java)
     at
 com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.onResponseReceived(RequestCallbackAdapter.java:
 221)
     at
 com.google.gwt.http.client.Request.fireOnResponseReceived(Request.java:
 287)
     at com.google.gwt.http.client.RequestBuilder
 $1.onReadyStateChange(RequestBuilder.java:393)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
     at java.lang.reflect.Method.invoke(Unknown Source)
     at
 com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
     at
 com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
     at
 com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:
 157)
     at
 com.google.gwt.dev.shell.BrowserChannel.reactToMessagesWhileWaitingForReturn(BrowserChannel.java:
 1714)
     at
 com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:
 165)
     at
 com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:
 120)
     at
 com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:
 507)
     at
 com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:
 264)
     at
 com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:
 91)
     at com.google.gwt.core.client.impl.Impl.apply(Impl.java)
     at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:188)
     at sun.reflect.GeneratedMethodAccessor48.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
     at java.lang.reflect.Method.invoke(Unknown Source)
     at
 com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
     at
 com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
     at
 com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:
 157)
     at
 com.google.gwt.dev.shell.BrowserChannel.reactToMessages(BrowserChannel.java:
 1669)
     at
 com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:
 401)
     at
 com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:
 222)
     at java.lang.Thread.run(Unknown Source)

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Re: JavaScriptException every time i make a rpc call more than one

[jsmith]

i found the error:
the guy who was designing the host page for me has included a form
tag in the webpage.
this tag screwed my application
i removed it and now it works fine

On Oct 11, 12:46 pm, jsmith 3p1...@googlemail.com wrote:
 i got a hostpage which uses some javascript on its own for styling
 purposes.
 when i use a blank page just for testing, the error doesnt't occur
 anymore.
 so maybe the gwt code and the javascript in the host page overlap and
 then cause problems.

 On Oct 11, 12:16 pm, jsmith 3p1...@googlemail.com wrote:

  Hi,

  when i load my application the first time, everythink works.
  but when i interact with it and  i make a rpc call a second time, my
  app crashes with a JavaScriptException:
  i have no idea how to solve this.

  best regards

  com.google.gwt.core.client.JavaScriptException: (null): null
      at
  com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:
  195)
      at
  com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:
  120)
      at
  com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:
  507)
      at
  com.google.gwt.dev.shell.ModuleSpace.invokeNativeBoolean(ModuleSpace.java:
  179)
      at
  com.google.gwt.dev.shell.JavaScriptHost.invokeNativeBoolean(JavaScriptHost.java:
  35)
      at
  com.google.gwt.user.client.rpc.impl.RemoteServiceProxy.isStatsAvailable(RemoteServiceProxy.java)
      at
  com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.onResponseReceived(RequestCallbackAdapter.java:
  221)
      at
  com.google.gwt.http.client.Request.fireOnResponseReceived(Request.java:
  287)
      at com.google.gwt.http.client.RequestBuilder
  $1.onReadyStateChange(RequestBuilder.java:393)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at
  com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
      at
  com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
      at
  com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:
  157)
      at
  com.google.gwt.dev.shell.BrowserChannel.reactToMessagesWhileWaitingForReturn(BrowserChannel.java:
  1714)
      at
  com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:
  165)
      at
  com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:
  120)
      at
  com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:
  507)
      at
  com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:
  264)
      at
  com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:
  91)
      at com.google.gwt.core.client.impl.Impl.apply(Impl.java)
      at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:188)
      at sun.reflect.GeneratedMethodAccessor48.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      at java.lang.reflect.Method.invoke(Unknown Source)
      at
  com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
      at
  com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
      at
  com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:
  157)
      at
  com.google.gwt.dev.shell.BrowserChannel.reactToMessages(BrowserChannel.java:
  1669)
      at
  com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:
  401)
      at
  com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:
  222)
      at java.lang.Thread.run(Unknown Source)

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Re: Good GWT development tools

[Georg Sendt]

Do you really need to compile your project every time you do a change?
Does hosted mode not work for you?

You can reduce the compilation time by reducing the list of supported
browsers:

add set-property name=user.agent value=gecko/ to your *.gwt.xml
file to only support Firefox during your development.

For integration tests you can remove the  line and test your
application with all browsers.

Reduce the number of compiled locales by adding this line to your
*.gwt.xml file
set-property name=locale value=en/

So now only english locale is compiled

Regards,

Georg



On 11 Okt., 11:36, lalit lalit.bh...@gmail.com wrote:
 Our project with time has become bigger. We are finding that the
 change-compile-run cycle is becoming bigger and bigger, especially
 if we change the server side code.

 We are using Spring, Hibernate and Gilead (for taking Entities to the
 front layer).

 Do any one knows about better tools or processes where we can reduce
 the change-compile-run cycle.

 thanks in advance,

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Re: TabLayoutPanel with Activity

[Richard Allen]

Try setting the CSS height property to 100% on the TabLayoutPanel.

-Richard


On Oct 10, 11:13 pm, Rud rudmerr...@gmail.com wrote:
 On further exploration I find that the overflow is not the culprit.
 I compared the information in the developer tools for the working and
 non-working versions. In the working version the 'div' containing the
 tabLayoutPanel  style as position: absolute and some other styles
 applied. In the non-working version it has position: relative and no
 other styles. That is applied as the element style so it is not
 changeable by style inheritance. Disabling the relative displays the
 data.

 I replaced the tabLayoutPanel with some others but they don't show the
 same change on the 'div'.

 Rudhttp://www.mysticlakesoftware.com

 On Oct 9, 9:25 pm, Rud rudmerr...@gmail.com wrote:



  I converted my application to work with the M3 activities. It has a
  DockLayoutPanel and 'center' has a TabLayoutPanel. All the other
  panels work fine through the Activity and Mapper process. The
  TabLayoutPanel show the tabs but not the panels below it. If I go into
  Chrome developer tools I see that all the panels have 'overflow:
  hidden' set. If I disable the hidden style a panel appears.

  I made the small changes necessary for the TabLayoutPanel to be
  directly in 'center' and it works fine.

  I further investigate by looking at the TabLayoutPanel code and it
  appears selectTab(0) is being called during initialization,  the first
  tab is highlighted, the panel setWidgetVisible(0,true) is called, but
  the panel not displayed.

  Any thoughts or suggestions?

  Rudhttp://www.mysticlakesoftware.com

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Re: GWT HTML class won't follow file:/ links

[jhulford]

On Oct 8, 12:58 pm, Thomas Broyer t.bro...@gmail.com wrote:
 On 8 oct, 15:57, jhulford jhulf...@gmail.com wrote:

  There's nothing that should be preventing it from working

 Well, except the browser itself!

 AFAIK, Firefox at least won't let you open file: links from an http:
 page.

D'oh..you're totally right: 
http://kb.mozillazine.org/Links_to_local_pages_don%27t_work.
I thought I had recalled doing this myself at some point, apparently
not with Firefox.


  (assuming file:/// is a typo and you meant file://path/to/file.txt).

 FYI, the file: URL scheme contains an authority part, just like http,
 and an empty authority means localhost; so there generally *are* (or
 should be) 3 /, file:///foo being equivalent to file://localhost/foo
 This allows you to make links to shared/network folders on other
 machines; for instance, the UNC path \\samba-server\shared\foo can be
 expressed as an URL as file://samba-server/shared/foo (in theory at
 least ;-) )

Interesting...I was not aware of that.  Good to know.

You are an encyclopedia of web app knowlege, Thomas.

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Re: TabLayoutPanel with Activity

[Falcon]

TabLayoutPanel either has to be a direct descendant of one of the
other LayoutPanels or needs an explicit height to be set (and % won't
work because of the structure). I really dislike that the panel won't
take up as much space as it needs by default, or at least have an
option to work that way, but that's why your content area isn't
showing up.

On Oct 10, 10:13 pm, Rud rudmerr...@gmail.com wrote:
 On further exploration I find that the overflow is not the culprit.
 I compared the information in the developer tools for the working and
 non-working versions. In the working version the 'div' containing the
 tabLayoutPanel  style as position: absolute and some other styles
 applied. In the non-working version it has position: relative and no
 other styles. That is applied as the element style so it is not
 changeable by style inheritance. Disabling the relative displays the
 data.

 I replaced the tabLayoutPanel with some others but they don't show the
 same change on the 'div'.

 Rudhttp://www.mysticlakesoftware.com

 On Oct 9, 9:25 pm, Rud rudmerr...@gmail.com wrote:

  I converted my application to work with the M3 activities. It has a
  DockLayoutPanel and 'center' has a TabLayoutPanel. All the other
  panels work fine through the Activity and Mapper process. The
  TabLayoutPanel show the tabs but not the panels below it. If I go into
  Chrome developer tools I see that all the panels have 'overflow:
  hidden' set. If I disable the hidden style a panel appears.

  I made the small changes necessary for the TabLayoutPanel to be
  directly in 'center' and it works fine.

  I further investigate by looking at the TabLayoutPanel code and it
  appears selectTab(0) is being called during initialization,  the first
  tab is highlighted, the panel setWidgetVisible(0,true) is called, but
  the panel not displayed.

  Any thoughts or suggestions?

  Rudhttp://www.mysticlakesoftware.com

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Re: newbie - GWT.getHostPageBaseURL() + greetingService?input= + string);

[jhulford]

Are you still using the provided GreetingServiceImpl on server side
that expects a GWT RPC call?

Because the way you're setting this up is not sending a GWT RPC
request, you're just get/put/post'ing that plaintext
request.  It's perfectly valid to do that, but if your GreetingService
servlet is
still extending RemoteServiceServlet it's going to be expecting a GWT
RPC request..hence the check for 'text/x-gwt-rpc' content-type..and
reject your non-RPC request.

If you want to stick with GWT RPC, you don't use RequestBuilder like
this.

Based on just your simple use case for timing out an RPC call you can
do something like this with an RpcRequestBuilder implementation that
sets the request timeout to 6:

ServiceDefTarget async = GWT.create(MyAsync.class);
async.setRpcRequestBuilder(builder);
((MyAsync) async).method(data, callback);


On Oct 11, 5:29 am, Ray Tayek rta...@ca.rr.com wrote:
 At 11:22 PM 10/10/2010, you wrote:

 Hello Ray,

 if you are wondering what url the gwt async uses, you can see this
 in firebug (network tab).

 cool

 I think you are missing your module in the url.
 Dont use  GWT.getHostPageBaseURL() use GWT.getModuleBaseURL() and
 you should be fine.

 that and changing greetingService to greet gets 
 me:http://127.0.0.1:/rtecg2/greet?input=Command2, and a 405 HTTP
 method GET is not supported by this URL .

 changing get to put does not help
 trying a post , gets a 505: javax.servlet.ServletException:
 Content-Type was 'text/plain; charset=utf-8'. Expected 'text/x-gwt-rpc'.

 i am sending just a string. my code (please see below) tries to build
 a request with a timeout. the normal code that works uses:

 greetingService.greetServer(id, new AsyncCallbackString() { ... }

 thanks

 private void sendStringToServer(final String string, final Label label) {
 Log.info(sending:  + string + , label= + label);
 final String request = GWT.getModuleBaseURL() + greet?input= + string;
 Log.info(request);
 RequestBuilder requestBuilder = new
 RequestBuilder(RequestBuilder.POST, request);
 requestBuilder.setTimeoutMillis(6);
 RequestCallback requestCallback = new RequestCallback() {
 @Override
 public void onError(Request request, Throwable exception) {
 Log.error(fail!  + exception);
 label.setText(fail!  + exception);

 }

 @Override
 public void onResponseReceived(Request request, Response response) {
 int statusCode = response.getStatusCode();
 if (statusCode != Response.SC_OK) {
 this.onError(request, null);
 return;}

 final String answer = response.getText();
 Log.info(answer= + answer);
 if (label != null)
 label.setText(answer);

 }
 };

 try {
 requestBuilder.sendRequest(null, requestCallback);} catch (RequestException 
 e) {

 requestCallback.onError(null, e);



 }
 }
 -Daniel Kurka

 2010/10/11 Ray Tayek mailto:rta...@ca.rr.comrta...@ca.rr.com
 At 03:47 PM 10/10/2010, you wrote:
 hi, i would like to add a timeout to some of my async callbacks. i
 am using a hacked up version of greet server. the normal code:
 greetingService.greetServer(id, new AsyncCallbackString() { ... }

 ...

 using the second (please see code below),  the
 code:  GWT.getHostPageBaseURL() + greetingService?input= + string);

 returns:
 http://127.0.0.1:/greetingService?input=Command1http://127.0.0.1:/greetingService?input=Command1

 the url that the browser uses is:
 http://127.0.0.1:/Rtecg2.html?gwt.codesvr=127.0.0.1:9997http://127.0.0.1:/Rtecg2.html?gwt.codesvr=127.0.0.1:9997

 can someone tell me the correct url to use or how to fix the code to
 get it programatically?

 i'm geting a 404, the console says: [WARN] 404 - GET
 /greetingService?input=command0id (127.0.0.1) 1401 bytes ...

 ---
 co-chairhttp://ocjug.org/

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Re: Set up of GWT site

[Brian]

I was thinking that every page (including what's replaced when About
is clicked) contains a Feedback link...

The idea is, you're just setting the content of a panel at runtime,
not navigating to a new .html page.

For instance, if your app is setup using a DockLayoutPanel, when a
link is checked, you're probably going to just replace the content of
the center widget, which may very well just be a SimplePanel, or
ScrollPanel.

On Oct 11, 3:16 am, alexoffspring alessales...@gmail.com wrote:
 mumble mumble

 ..i'm not sure, but i think that the example does not particularly
 suit since SimplePanel can have only one Widget; so you can only add
 one hyperlynk (About Me, about),  let's say, and not the
 (feedback) one, so you cannot switch.
 Moreover, if you decide to change panel and use the Vertical one, you
 don't have the setWidget method.

 On 8 Ott, 16:25, Brian hibr...@gmail.com wrote:







  You just 'new' your class and add it where you want to place it.

  for instance, as a simple example you'd could have:

  SimplePanel mMyPanel;

  public void onModuleLoad() {
   mMyPanel = new SimplePanel();
   mMyPanel.add(new Hyperlink(About Me, about));
   RootPanel.get().add(mMyPanel);

    History.addValueChangeHandler(this);

  }

  public void onValueChange(ValueChangeEvent event) {

    if (event.getValue().equals(about)){
      AboutPage ap = new AboutPage();  // this is your composite, in
  AboutPage.java
      mMyPanel.clear();  // get rid of whatever was in there
      mMyPanel.setWidget(ap); // and replace it with your about page
    } else if (event.getValue().equals(feedback)){
      FeedbackPage fp = new FeedbackPage(); // this is another of your
  composites
      mMyPanel.clear();
      mMyPanel.setWidget(fp);
    } else {... }

  }

  None of this will open a new page.  You're just replacing widgets
  already in the DOM with new widgets, based on the history.

  -Brian

  On Oct 8, 4:54 am, alexoffspring alessales...@gmail.com wrote:

   Great.
   And supposing that i have already created my composite widget into a
   new .java class. How do i call this new page??
   Window.open(..) ??

   And if i don't want to open a new page, how can i hide the old page
   components?

   Thanks in advance

   On 6 Ott, 22:10, Brian hibr...@gmail.com wrote:

Generally in a gwt app, all links stay within your application (all
within the same html page).  The links are just tokens that are
handled by your single app (which is hosted in one page).

In 100% pseudo code, you'd have something like:

whenHistoryChanged(token){
 if (token.equals(about)){
    show(about screen);
  } else if (token.equals(feeback)){
    show(feedback screen);
 }

}

Take a look 
at:http://google-web-toolkit.googlecode.com/svn/javadoc/2.0/com/google/g...

In the onValueChange method, you compare the event.getValue() with
your tokens (about, feedback etc) and replace the content with the
content for that page.

You would probably create a new 'widget' or composite widget, for each
of your pages.  And yeah, each page would probably be in its own .java
file.

On Oct 6, 3:46 pm, nick kov nickko...@gmail.com wrote:

 This question is for the developers that are more experienced with
 GWT. I am wondering exactly how you set a site up in terms of
 navigation? For example with HTML I would naturally use links to
 travel between pages, etc. But with GWT, if somebody clicks on a link
 on your site, do you guys just hide() the widgets and load new ones.
 Or do you take them to a different page entirely?

 Also I am wondering how the structure of a neat site looks using GWT.
 For example, do I create a new .java file for each page that exists on
 the site? I'm just relatively new to this and need some pointers.
 Thanks!- Nascondi testo citato

- Mostra testo citato -- Nascondi testo citato

  - Mostra testo citato -

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Re: Set up of GWT site

[Brian]

... and if you were using a VerticalPanel, you could either replace
the whole thing, or replace widget(s) :

VerticalPanel vp = new VerticalPanel();
SimplePanel sp = new SimplePanel(); // setWidget when history changes
vp.add(new Label(Stay at the top));
vp.add(sp);
vp.add(new Label(Stay at the bottom));
...
public void onValueChange(ValueChangeEvent event) {
  if (event.getValue().equals(about)){
 sp.setWidget(about content);
  } ...
}


On Oct 11, 11:08 am, Brian hibr...@gmail.com wrote:
 I was thinking that every page (including what's replaced when About
 is clicked) contains a Feedback link...

 The idea is, you're just setting the content of a panel at runtime,
 not navigating to a new .html page.

 For instance, if your app is setup using a DockLayoutPanel, when a
 link is checked, you're probably going to just replace the content of
 the center widget, which may very well just be a SimplePanel, or
 ScrollPanel.

 On Oct 11, 3:16 am, alexoffspring alessales...@gmail.com wrote:







  mumble mumble

  ..i'm not sure, but i think that the example does not particularly
  suit since SimplePanel can have only one Widget; so you can only add
  one hyperlynk (About Me, about),  let's say, and not the
  (feedback) one, so you cannot switch.
  Moreover, if you decide to change panel and use the Vertical one, you
  don't have the setWidget method.

  On 8 Ott, 16:25, Brian hibr...@gmail.com wrote:

   You just 'new' your class and add it where you want to place it.

   for instance, as a simple example you'd could have:

   SimplePanel mMyPanel;

   public void onModuleLoad() {
    mMyPanel = new SimplePanel();
    mMyPanel.add(new Hyperlink(About Me, about));
    RootPanel.get().add(mMyPanel);

     History.addValueChangeHandler(this);

   }

   public void onValueChange(ValueChangeEvent event) {

     if (event.getValue().equals(about)){
       AboutPage ap = new AboutPage();  // this is your composite, in
   AboutPage.java
       mMyPanel.clear();  // get rid of whatever was in there
       mMyPanel.setWidget(ap); // and replace it with your about page
     } else if (event.getValue().equals(feedback)){
       FeedbackPage fp = new FeedbackPage(); // this is another of your
   composites
       mMyPanel.clear();
       mMyPanel.setWidget(fp);
     } else {... }

   }

   None of this will open a new page.  You're just replacing widgets
   already in the DOM with new widgets, based on the history.

   -Brian

   On Oct 8, 4:54 am, alexoffspring alessales...@gmail.com wrote:

Great.
And supposing that i have already created my composite widget into a
new .java class. How do i call this new page??
Window.open(..) ??

And if i don't want to open a new page, how can i hide the old page
components?

Thanks in advance

On 6 Ott, 22:10, Brian hibr...@gmail.com wrote:

 Generally in a gwt app, all links stay within your application (all
 within the same html page).  The links are just tokens that are
 handled by your single app (which is hosted in one page).

 In 100% pseudo code, you'd have something like:

 whenHistoryChanged(token){
  if (token.equals(about)){
     show(about screen);
   } else if (token.equals(feeback)){
     show(feedback screen);
  }

 }

 Take a look 
 at:http://google-web-toolkit.googlecode.com/svn/javadoc/2.0/com/google/g...

 In the onValueChange method, you compare the event.getValue() with
 your tokens (about, feedback etc) and replace the content with the
 content for that page.

 You would probably create a new 'widget' or composite widget, for each
 of your pages.  And yeah, each page would probably be in its own .java
 file.

 On Oct 6, 3:46 pm, nick kov nickko...@gmail.com wrote:

  This question is for the developers that are more experienced with
  GWT. I am wondering exactly how you set a site up in terms of
  navigation? For example with HTML I would naturally use links to
  travel between pages, etc. But with GWT, if somebody clicks on a 
  link
  on your site, do you guys just hide() the widgets and load new ones.
  Or do you take them to a different page entirely?

  Also I am wondering how the structure of a neat site looks using 
  GWT.
  For example, do I create a new .java file for each page that exists 
  on
  the site? I'm just relatively new to this and need some pointers.
  Thanks!- Nascondi testo citato

 - Mostra testo citato -- Nascondi testo citato

   - Mostra testo citato -

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using CompositeCell in CellTable?

[Spitzname]

Hi,
I tried to use a CompositeCell in a Celltable, but with no success.
Can anyone write me a short example to add a column as CompositeCell
in the CellTable, please? I miss some short introduction to this
powerful topic and unfortunately the use is very inconsistent.

Thanks in advance!

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linux + development mode

[Racka]

Hi all,

i'm using arch linux and my browser is firefox (and blackbox as window
manager, no desktop manager at all). When i try to start a hosted mode
session, my browser asks for the development plugin, which I allow to
install. But when i restart my browser everything remains the same. It
asks for the plugin. What can be a problem? I've heard that maybe I
should recompile and make the .xpi file myself. But no luck yet...

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Client side caching of the .nocache,js and other included .js and .css files

[PeterT]

We have a project.nocache.js file that included other .js and .css
files. The generated project has a long GUID like name which changes
each compilation, so that file is correctly loaded, but the problem we
see is that when we change the other include files on the server, the
client does not get the new files.  For the .nocache.js file we can
force a reload by passing an additional parameter on the url that we
change everytime the server side changes, but that does not cause the
included .js and .css files to be picked up.

Does anybody have the same issue and are there ways around this?

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DockLayoutPanel causes size problem for input in FF and IE

[Mattias Svensson]

I have created a simple widget from a UiBinder using a
DockLayoutPanel like below (GWT 2.0.4):

g:DockLayoutPanel unit=PX
g:north size=200
g:TextArea/g:TextArea
/g:north
/g:DockLayoutPanel

And the loaded this into page  with

 RootLayoutPanel rp = RootLayoutPanel.get();
 rp.add(new SimpleTextArea());

In Chrome this looks as I expected it, the textarea fills the width
and height is 200px.
But in FF and IE8 the textarea is located the upper left corner of the
div (DockLayoutPanel) with some kind of default size.

(Using !doctype html)

Seems to be the same problem with TextBox.

Is there a better to achieve a TextArea/TextBox that fills the layout?
What am I doing wrong?

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GWTphp to communicate with PHP server

[saji]

Hi  i am using GWT for developing an user interface. I run a mongoose
webserver where my PHP server script resides. I cant find any way to
make call from my user interface developed to php script. Any help may
be appreciated. Thanks in advance..

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Tutorial/material for how to customize the ROO + GWT project?

[bdar]

I have been able to generate the sample project using for GWT and
GAE ...
using DATANUCLEUS and GOOGLE_APP_ENGINE similar to what is provided in
the roo tutorial.

persistence setup --provider DATANUCLEUS --database GOOGLE_APP_ENGINE

But i have been struggling with the customization of the project.Going
over the code that was generated .. I feel much lost and dont know
where to start from ..

Some at Spring Forum did the customization of an ROO spring MVC
generated project, but i wonder if some kind soul from GWT / Roo add
support team / community would volunteer some time to do a Screen Cast
or blog post to show how to do some basic customization in GWT
generated project.

It would be really great if someone can create an screen cast
equivalent of the following

** Reference equivalent of the same for ROO. GWT
http://sujitpal.blogspot.com/2010/07...th-of-ktm.html

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GWT Developer plugin for IE - install error 1612

[dll argh]

Hi

When I attempt to install the GWT Developer plugin for IE it fails
with this error:

The installer encountered error 1612:  The installation source for
this product is not available.  Verify that the source exists and that
you can access it.

I'm using IE7 on windows vista.

It appears that a similar error code occurs for some people attempting
to use Chrome.  Not sure if it is related, but one of the mentioned
solutions (for XP though) related the problem to roaming profiles,
which I am using.  Any ideas?  Thanks,

Dave

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Route animation in google maps with GWT

[Jan]

Hi all,

For an actual project, we need to evaluate movements of motor-ships.
The position datas are sent from a gps router on the ships and are
saved in a database on our server. One of our goals is to show the
driven way of one or more ships between a specified time as an
animation. Our Application is written in Java with GWT. What we have
already is, that the driven way get's drafted like a normal route in
google maps. What we want is, to show for example all ship movements
for one day in fast motion.

My actual problem is, how to animate the driven way. Is it possible to
do the animation in GWT, or do we need to use javascript?

I hope, someone can give me some ideas.

Thanks a lot.

Jan

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Help me out! ... i m facing this Issues in Label !

[Somu]

Dear All,

When i m using Multiple Labels by gwt-Label tag, it is displayed one
by one.
e.g. my code is like,

 gwt-LabelLabel 1/gwt-Labelgwt-LabelLabel 2/gwt-Labelgwt-
LabelLabel 3/gwt-Label
gwt-LabelLabel 5/gwt-Labelgwt-LabelLabel 6/gwt-Labelgwt-
LabelLabel 7/gwt-Labelgwt-LabelLabel 8/gwt-Label

output is like,

Label 1
Label 2
Label 3
Label 4
Label 5
Label 6
Label 7
Label 8

But  i want the result like,

Label 1 Label 2 Label 3 Label 4 Label 5 Label 6 Label 7 Label 8


Don't suggest me like, Write the code in between the Horizontal panel.

Answer me it take line break automatically...?


Thanks in Advance !
Regards,

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Best practice GWT development with Glassfish

[Brausepaul]

Hi,

I worked through the GWT tutorial and GWT Designer tutorial and would
like to port a simple existing JSP/Struts 1 application to GWT. The
application persists its data to a HSQL database. Up to now I use
Glassfish 2 and Eclipse on a Linux computer for my personal
development needs. What is the best way to work and develop with the
software mentioned above? I found a few hints here and there (like
creating a standard dynamic web project and a GWT project, then
merging both together...tricky if you ask me) but nothing really
stable. So: Is there a stable, easy solution to work with Glassfish
and GWT in development mode?

Thanks in advance

Maik

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Multiple Pages

[Elienan]

Hi all,

I'm new at GWT, trying to develop my first application with this tool.
I already read a lot about multiple pages, and I followed the most
common suggestion of have only one page, and then change pannels to
change pages.

I want to develop a set of pages that allow the users to go back and
forward pages according as the button they select. I already can do
this with success, but something strange it's happening. As long as I
go back to a previous page I already was, the code executes twice the
same. Every time I go to a page I already visited, the code is
executed one more time than the previous visit.

I always do a clear to RootPanel before add a different Panel. I can't
understand why the code is incrementing execution times, because all
variables from fields are being cleared.

Can you please help me understangind why is this happening?

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Compiling for release?

[Thomas McKay - www.winebythebar.com]

I'm getting the message:

GWT module 'com.winebythebar.bottles.WbtBBottles' may need to be
(re)compiled

when running w/o the '?gwt.codesvr=127.0.0.1:9997' param. I'm unsure
how to compile this project for release.

Environment: eclipse helios, windows

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Conerting String to HashMap

[shilpa]

Hi,

I am actually sending an ajax request and and storing a HashMap in a
JSONStringer .
In response i get a JSONStringer in the format {codes:
{CD1:TEXT1,CD2:TEXT2}}.
So now i retrieve the value using a RecordList and when i retrieve the
value of codes attribute i.e
(recordList.get(0).getAttribute(codes)) i get it as a string Object
object.
I would like to convert this to HashMap again.
Could you tell me a simple way to do this using any gwt classes.


Thanks

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Beginning JDO Question

[Pedro Ferreira]

 Hi There,

I am beginning an GWT + GAE Application, and I have a simple question,
that I think you guys knows the answer JIT:

I want to do this:

Facts:
1. I have an entity in my server package
(aplicationid.server.MyEntity)  
2. I have a method that returns a MyEntity object
I want to:
USE THIS METHOD!!!

It seems I can't use the Entity Class inside the client package, because
its source code is not available there.

How can I solve this simple problem?

Thanks,

Pedro.

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Re: Route animation in google maps with GWT

[Brian]

GWT is Javascript, at least what the user sees on the website.

One idea, is to get all the data from your server for a ship's route
as an array of lat/lng objects, then set up a Timer() object that
calls your callback  every 30ms or so, and you just set the map marker
position to the next entry in the lat/lng pair.  For faster animation,
jump further in your array, or decrease the 30ms to 15ms, etc.




On Oct 9, 8:53 am, Jan jan.widm...@gmx.ch wrote:
 Hi all,

 For an actual project, we need to evaluate movements of motor-ships.
 The position datas are sent from a gps router on the ships and are
 saved in a database on our server. One of our goals is to show the
 driven way of one or more ships between a specified time as an
 animation. Our Application is written in Java with GWT. What we have
 already is, that the driven way get's drafted like a normal route in
 google maps. What we want is, to show for example all ship movements
 for one day in fast motion.

 My actual problem is, how to animate the driven way. Is it possible to
 do the animation in GWT, or do we need to use javascript?

 I hope, someone can give me some ideas.

 Thanks a lot.

 Jan

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Re: Help me out! ... i m facing this Issues in Label !

[Hilco Wijbenga]

On 9 October 2010 03:17, Somu somanatha...@gmail.com wrote:
 When i m using Multiple Labels by gwt-Label tag, it is displayed one
 by one.
 e.g. my code is like,

  gwt-LabelLabel 1/gwt-Labelgwt-LabelLabel 2/gwt-Labelgwt-
 LabelLabel 3/gwt-Label
 gwt-LabelLabel 5/gwt-Labelgwt-LabelLabel 6/gwt-Labelgwt-
 LabelLabel 7/gwt-Labelgwt-LabelLabel 8/gwt-Label

 output is like,

 Label 1
 Label 2
 Label 3
 Label 4
 Label 5
 Label 6
 Label 7
 Label 8

That's because each GWT Label is simply a div//div pair. And divs
are block-level elements.

 But  i want the result like,

 Label 1 Label 2 Label 3 Label 4 Label 5 Label 6 Label 7 Label 8

 Don't suggest me like, Write the code in between the Horizontal panel.

Why not? That would seem an obvious solution?

 Answer me it take line break automatically...?

You could also use CSS to change the div to an inline-level element.

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Re: GWT HTML class won't follow file:/ links

[Greg Dougherty]

Thanks.  That would explain it.

On Oct 8, 11:58 am, Thomas Broyer t.bro...@gmail.com wrote:
 On 8 oct, 15:57, jhulford jhulf...@gmail.com wrote:

  There's nothing that should be preventing it from working

 Well, except the browser itself!

 AFAIK, Firefox at least won't let you open file: links from an http:
 page.

  (assuming file:/// is a typo and you meant file://path/to/file.txt).

 FYI, the file: URL scheme contains an authority part, just like http,
 and an empty authority means localhost; so there generally *are* (or
 should be) 3 /, file:///foo being equivalent to file://localhost/foo
 This allows you to make links to shared/network folders on other
 machines; for instance, the UNC path \\samba-server\shared\foo can be
 expressed as an URL as file://samba-server/shared/foo (in theory at
 least ;-) )

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Hook up HTML with GWT

[Il Lupo]

I have been searching around for this with no luck so I decided to
post the question hoping to get a quick and straight answer.
Is there a way to hook up GWT java methods/classes to straight HTML?
I can see a way to do it with DIVs (retrieval via id) but cannot find
a way to do it on other HTML tags.
Example:
say I have a menu implemented with CSS and the following HTML snippet

...
ul
lia href=...One/a/li
lia href=...Two/a/li
lia href=...Three/a/li
/ul
...
I want to run GWT code (some method in some java class) when the user
clicks on one of the anchors.
Is there a way to do it?

Or as an alternative, if I define some ul/li gropus in an html
file, is there a way to surface that in GWT? (by surface I mean a
way to retrieve it with code and operate on it).


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Re: Multiple Pages

[Thomas Broyer]

On 10 oct, 19:38, Elienan elie...@gmail.com wrote:
 Hi all,

 I'm new at GWT, trying to develop my first application with this tool.
 I already read a lot about multiple pages, and I followed the most
 common suggestion of have only one page, and then change pannels to
 change pages.

 I want to develop a set of pages that allow the users to go back and
 forward pages according as the button they select. I already can do
 this with success, but something strange it's happening. As long as I
 go back to a previous page I already was, the code executes twice the
 same. Every time I go to a page I already visited, the code is
 executed one more time than the previous visit.

 I always do a clear to RootPanel before add a different Panel. I can't
 understand why the code is incrementing execution times, because all
 variables from fields are being cleared.

 Can you please help me understangind why is this happening?

Are you talking about using the History class? if so, make sure you're
only registering a single ValueChangeHandler (unless you really know
you need more); registering multiple times the same ValueChangeHandler
will have it called as many times (it's a add not a set).

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Re: Best practice GWT development with Glassfish

[jocke eriksson]

This is how I do it, but it requires that you use maven. If you don't
use maven ignore this post.

Create a maven  pom project
Create a ear module
Create a ejb module
Create a web module
Create a client module also web

add the client as an web overlay to the web module.

Deploy the ear to glassfish

launch the client with noserver option

Send requests to your controllers and have them respond with json


2010/10/10 Brausepaul maik.himst...@googlemail.com:
 Hi,

 I worked through the GWT tutorial and GWT Designer tutorial and would
 like to port a simple existing JSP/Struts 1 application to GWT. The
 application persists its data to a HSQL database. Up to now I use
 Glassfish 2 and Eclipse on a Linux computer for my personal
 development needs. What is the best way to work and develop with the
 software mentioned above? I found a few hints here and there (like
 creating a standard dynamic web project and a GWT project, then
 merging both together...tricky if you ask me) but nothing really
 stable. So: Is there a stable, easy solution to work with Glassfish
 and GWT in development mode?

 Thanks in advance

 Maik

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GWT Maven gwt:compile issue

[tc]

I am using the new maven plugin (http://google-web-
toolkit.googlecode.com/svn/2.1.0.M3/gwt/maven) that is being used in
the new 2.1 development.  I have setup a multi module maven project
where one of the modules contains a GWT module that contains mainly
just shared object between server / client.  Another GWT module that
is the actual client and server.  The problem I am having is when
building the client project from the command line with the gwt:compile
it cannot find the gwt module for the other project ( get the did you
forget to an inherit a module ouput ).  When building through eclipse
everything works fine ( guess its using more of the eclipse
classpath ).  Anyone have any suggestions on this?

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Re: Good GWT development tools

[Greg Dougherty]

 Reduce the number of compiled locales by adding this line to your
 *.gwt.xml file
 set-property name=locale value=en/

 So now only english locale is compiled

[ERROR] The value en was not previously defined.
[ERROR] Line 23: Unexpected exception while processing element 'set-
property'

So, what else do I need to add?

Greg

On Oct 11, 8:20 am, Georg Sendt georg.se...@googlemail.com wrote:
 Do you really need to compile your project every time you do a change?
 Does hosted mode not work for you?

 You can reduce the compilation time by reducing the list of supported
 browsers:

 add set-property name=user.agent value=gecko/ to your *.gwt.xml
 file to only support Firefox during your development.

 For integration tests you can remove the  line and test your
 application with all browsers.

 Reduce the number of compiled locales by adding this line to your
 *.gwt.xml file
 set-property name=locale value=en/

 So now only english locale is compiled

 Regards,

 Georg

 On 11 Okt., 11:36, lalit lalit.bh...@gmail.com wrote:

  Our project with time has become bigger. We are finding that the
  change-compile-run cycle is becoming bigger and bigger, especially
  if we change the server side code.

  We are using Spring, Hibernate and Gilead (for taking Entities to the
  front layer).

  Do any one knows about better tools or processes where we can reduce
  the change-compile-run cycle.

  thanks in advance,

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Re: Hook up HTML with GWT

[Jeff Chimene]

On 10/11/2010 09:30 AM, Il Lupo wrote:
 I have been searching around for this with no luck so I decided to
 post the question hoping to get a quick and straight answer.
 Is there a way to hook up GWT java methods/classes to straight HTML?
 I can see a way to do it with DIVs (retrieval via id) but cannot find
 a way to do it on other HTML tags.
 Example:
 say I have a menu implemented with CSS and the following HTML snippet
 
 ...
 ul
 lia href=...One/a/li
 lia href=...Two/a/li
 lia href=...Three/a/li
 /ul
 ...
 I want to run GWT code (some method in some java class) when the user
 clicks on one of the anchors.
 Is there a way to do it?
 
 Or as an alternative, if I define some ul/li gropus in an html
 file, is there a way to surface that in GWT? (by surface I mean a
 way to retrieve it with code and operate on it).
 
 

The first place to start:
http://code.google.com/webtoolkit/doc/latest/DevGuideCodingBasicsJSNI.html#writing

then
 ...
 ul
 lia href=javascript:foo()One/a/li
 lia href=javascript:bar()Two/a/li
 /ul
 ...

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Re: using CompositeCell in CellTable?

[Spitzname]

I tried something and this works, but I don't know how and why.


ListHasCellFoo, ? bar = new ArrayListHasCellFoo, ?();
bar.add(new ColumnFoo, String(new Cell()) {

@Override
public CellString getCell() {
return cell;
}

@Override
public FieldUpdaterFoo, String getFieldUpdater() {
return null;
}

@Override
public String getValue(Foo object) {
return caption;
}

});
celltable.addColumn(new Column(new CompositeCellFoo(bar)) {
@Override
public Object getValue(Object object) {
return null;
}
}, column caption);

On Oct 11, 2:37 pm, Spitzname bartsch-ste...@web.de wrote:
 Hi,
 I tried to use a CompositeCell in a Celltable, but with no success.
 Can anyone write me a short example to add a column as CompositeCell
 in the CellTable, please? I miss some short introduction to this
 powerful topic and unfortunately the use is very inconsistent.

 Thanks in advance!

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Re: Hook up HTML with GWT

[Jim Douglas]

Or look at this:

http://google-web-toolkit.googlecode.com/svn/javadoc/2.1/com/google/gwt/user/client/ui/HTMLPanel.html

On Oct 11, 10:20 am, Jeff Chimene jchim...@gmail.com wrote:
 On 10/11/2010 09:30 AM, Il Lupo wrote:





  I have been searching around for this with no luck so I decided to
  post the question hoping to get a quick and straight answer.
  Is there a way to hook up GWT java methods/classes to straight HTML?
  I can see a way to do it with DIVs (retrieval via id) but cannot find
  a way to do it on other HTML tags.
  Example:
  say I have a menu implemented with CSS and the following HTML snippet

  ...
      ul
          lia href=...One/a/li
          lia href=...Two/a/li
          lia href=...Three/a/li
      /ul
  ...
  I want to run GWT code (some method in some java class) when the user
  clicks on one of the anchors.
  Is there a way to do it?

  Or as an alternative, if I define some ul/li gropus in an html
  file, is there a way to surface that in GWT? (by surface I mean a
  way to retrieve it with code and operate on it).

 The first place to 
 start:http://code.google.com/webtoolkit/doc/latest/DevGuideCodingBasicsJSNI...

 then



  ...
      ul
          lia href=javascript:foo()One/a/li
          lia href=javascript:bar()Two/a/li
      /ul
  ...

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Could it be that GWT internally modifies cookie?

[denis56]

His to everyone,

We are experiencing a wicked behavior on the web page that uses one
GWT component running regular updates. Maybe someone could provide an
insight.

The thing is that after a couple of PRC requests you can see in
Firebug that the sessionid sent to client on previous response does
not correspond to the sessionid that is sent on subsequent PRC
request. As a side effect users get wrong session cookie and resulting
in unintended log outs. Really strange and happens only irregularly.

On of the suspicions is that  GWT might internally manipulate sessions
(we are using GWT 2.0) because no cookies are set by us explicitly?

Thanks.

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Re: TabLayoutPanel with Activity

[Rud]

Arrgggh!!! That was it. I would have sworn I tried that. I know I did
on everything else that makes up the panel.

@Falcon - it did work with a %. Not disputing your assertion, just
stating my experience. This panel is so useful but strange...

Rud
http://www.mysticlakesoftware.com

On Oct 11, 8:35 am, Richard Allen richard.l.al...@gmail.com wrote:
 Try setting the CSS height property to 100% on the TabLayoutPanel.

 -Richard

 On Oct 10, 11:13 pm, Rud rudmerr...@gmail.com wrote:



  On further exploration I find that the overflow is not the culprit.
  I compared the information in the developer tools for the working and
  non-working versions. In the working version the 'div' containing the
  tabLayoutPanel  style as position: absolute and some other styles
  applied. In the non-working version it has position: relative and no
  other styles. That is applied as the element style so it is not
  changeable by style inheritance. Disabling the relative displays the
  data.

  I replaced the tabLayoutPanel with some others but they don't show the
  same change on the 'div'.

  Rudhttp://www.mysticlakesoftware.com

  On Oct 9, 9:25 pm, Rud rudmerr...@gmail.com wrote:

   I converted my application to work with the M3 activities. It has a
   DockLayoutPanel and 'center' has a TabLayoutPanel. All the other
   panels work fine through the Activity and Mapper process. The
   TabLayoutPanel show the tabs but not the panels below it. If I go into
   Chrome developer tools I see that all the panels have 'overflow:
   hidden' set. If I disable the hidden style a panel appears.

   I made the small changes necessary for the TabLayoutPanel to be
   directly in 'center' and it works fine.

   I further investigate by looking at the TabLayoutPanel code and it
   appears selectTab(0) is being called during initialization,  the first
   tab is highlighted, the panel setWidgetVisible(0,true) is called, but
   the panel not displayed.

   Any thoughts or suggestions?

   Rudhttp://www.mysticlakesoftware.com

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Recommendations for improving performance of a mobile application

[denis56]

Hello to everyone,

We decided to give it a try programming a mobile application with GWT
- frequent RPC updates, very component-oriented and frequently
changing data. At the moment  we try to meet bearable performance
benchmarks since current performance is so dismal. To change to a
different page (fully dynamic) takes more than a minute at times ;
( Clicking on clickable panels, which are present in large quantities
on every page, is also excruciatingly slow.

I have watched videos from Google I/O Conference 2010 (Architecting
for performance with GWT, GWT's UI overhaul, Faster apps faster) and
tried replacing some of the widgets with UiBinder. This had so far
brought only minimal performance improvements. There are some critical
observations I would like to share and maybe you would have valuable
suggestions

 * One of the things Joel Webber tells is that widgets are slow.
Unfortunately everything is a widget in our app: clickable panels for
selection and HTMLPanels/FlowPanels to layout clickables. There is
very little space to cut off on widget. What would be the most
lightweight component to implement onMouseDown-Event (a Button or
clickable FlowPanel)? Is it worth the effort to replace all HTMLPanel/
FlowPanel possible with new Cell Widgets (I am thinking about CellList
in particular). Are they plain faster for layouting components?

 * Running Firebug Profiler and Speedtracer shows that PRC requests
take the most time. On page change, for example, an PRC call would
return a rather big list of DTOs - they have hierarchical logical
structure - and each is then injected into corresponding view that
attaches itself to parent view for display. So profiler says that
add()-calls take the most time. But I can hardly imagine a way to get
rid of these add calls because the views have to be attached to the
owning views. Is there a better strategy to display lists of lists of
data?

 * We use tables for layouting and in the process of converting that
into divs, as well as converting syles to eliminate style chaining.
Could that improve performance of mobile browsers significantly? One
of the insights Speedracer gave is that parsing HTML and recalculating
CSS styles takes a whole lot of time.


Would really appreciate every suggestion. Thanks,
Denis

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Re: Good GWT development tools

[David Chandler (Google)]

You can also use the -draftCompile flag to skip optimizations. Don't
do this on your final production build, but it will save lots of time
in development. Of course, hosted mode is best.

/dmc
David Chandler
Developer Programs Engineer, Google Web Toolkit
Atlanta, GA USA


On Oct 11, 1:15 pm, Greg Dougherty dougherty.greg...@mayo.edu wrote:
  Reduce the number of compiled locales by adding this line to your
  *.gwt.xml file
  set-property name=locale value=en/

  So now only english locale is compiled

 [ERROR] The value en was not previously defined.
 [ERROR] Line 23: Unexpected exception while processing element 'set-
 property'

 So, what else do I need to add?

 Greg

 On Oct 11, 8:20 am, Georg Sendt georg.se...@googlemail.com wrote:



  Do you really need to compile your project every time you do a change?
  Does hosted mode not work for you?

  You can reduce the compilation time by reducing the list of supported
  browsers:

  add set-property name=user.agent value=gecko/ to your *.gwt.xml
  file to only support Firefox during your development.

  For integration tests you can remove the  line and test your
  application with all browsers.

  Reduce the number of compiled locales by adding this line to your
  *.gwt.xml file
  set-property name=locale value=en/

  So now only english locale is compiled

  Regards,

  Georg

  On 11 Okt., 11:36, lalit lalit.bh...@gmail.com wrote:

   Our project with time has become bigger. We are finding that the
   change-compile-run cycle is becoming bigger and bigger, especially
   if we change the server side code.

   We are using Spring, Hibernate and Gilead (for taking Entities to the
   front layer).

   Do any one knows about better tools or processes where we can reduce
   the change-compile-run cycle.

   thanks in advance,

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Re: TabLayoutPanel with Activity

[Falcon]

Ah, no, you're right. % on height wouldn't work in my specific
situation but I think that was due to some positioning tricks I was
having to do (and not being able to use a LayoutPanel as a parent),
which wouldn't be applicable in your particular situation.

On Oct 11, 1:19 pm, Rud rudmerr...@gmail.com wrote:
 Arrgggh!!! That was it. I would have sworn I tried that. I know I did
 on everything else that makes up the panel.

 @Falcon - it did work with a %. Not disputing your assertion, just
 stating my experience. This panel is so useful but strange...

 Rudhttp://www.mysticlakesoftware.com

 On Oct 11, 8:35 am, Richard Allen richard.l.al...@gmail.com wrote:

  Try setting the CSS height property to 100% on the TabLayoutPanel.

  -Richard

  On Oct 10, 11:13 pm, Rud rudmerr...@gmail.com wrote:

   On further exploration I find that the overflow is not the culprit.
   I compared the information in the developer tools for the working and
   non-working versions. In the working version the 'div' containing the
   tabLayoutPanel  style as position: absolute and some other styles
   applied. In the non-working version it has position: relative and no
   other styles. That is applied as the element style so it is not
   changeable by style inheritance. Disabling the relative displays the
   data.

   I replaced the tabLayoutPanel with some others but they don't show the
   same change on the 'div'.

   Rudhttp://www.mysticlakesoftware.com

   On Oct 9, 9:25 pm, Rud rudmerr...@gmail.com wrote:

I converted my application to work with the M3 activities. It has a
DockLayoutPanel and 'center' has a TabLayoutPanel. All the other
panels work fine through the Activity and Mapper process. The
TabLayoutPanel show the tabs but not the panels below it. If I go into
Chrome developer tools I see that all the panels have 'overflow:
hidden' set. If I disable the hidden style a panel appears.

I made the small changes necessary for the TabLayoutPanel to be
directly in 'center' and it works fine.

I further investigate by looking at the TabLayoutPanel code and it
appears selectTab(0) is being called during initialization,  the first
tab is highlighted, the panel setWidgetVisible(0,true) is called, but
the panel not displayed.

Any thoughts or suggestions?

Rudhttp://www.mysticlakesoftware.com

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Re: Good GWT development tools

[Sorinel C]

Are you using the localWorkers in the GWT compiler command line, to
use the n-CPU-cores that you have?

Read more here:
http://ui-programming.blogspot.com/2009/12/gwt-speed-up-compilation-in-eclipse.html

Cheers!

And if you like it, don't be shy to click on 1 ad or 2 -- you know,
for fun :)

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Re: Best practice GWT development with Glassfish

[Brausepaul]

Hi Jocke,

thanks for your answer. Unfortenately I don' use Maven and I hesitate
to introduce it just to improve GWT development. I wonder how other
people work with their GWT project targeted for Glassfish or even
Tomcat, for example.

Maik

On 11 Okt., 18:48, jocke eriksson jock...@gmail.com wrote:
 This is how I do it, but it requires that you use maven. If you don't
 use maven ignore this post.

 Create a maven  pom project
 Create a ear module
 Create a ejb module
 Create a web module
 Create a client module also web

 add the client as an web overlay to the web module.

 Deploy the ear to glassfish

 launch the client with noserver option

 Send requests to your controllers and have them respond with json

 2010/10/10 Brausepaul maik.himst...@googlemail.com:



  Hi,

  I worked through the GWT tutorial and GWT Designer tutorial and would
  like to port a simple existing JSP/Struts 1 application to GWT. The
  application persists its data to a HSQL database. Up to now I use
  Glassfish 2 and Eclipse on a Linux computer for my personal
  development needs. What is the best way to work and develop with the
  software mentioned above? I found a few hints here and there (like
  creating a standard dynamic web project and a GWT project, then
  merging both together...tricky if you ask me) but nothing really
  stable. So: Is there a stable, easy solution to work with Glassfish
  and GWT in development mode?

  Thanks in advance

  Maik

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Re: GWT Maven gwt:compile issue

[Travis Camechis]

 I figured it out.  I had to modify the resources section to include the
module xml file ( it was getting left out ) along with the source code for
the module.  All is happy now.

On Mon, Oct 11, 2010 at 1:09 PM, tc camec...@gmail.com wrote:

 I am using the new maven plugin (http://google-web-
 toolkit.googlecode.com/svn/2.1.0.M3/gwt/maven) that is being used in
 the new 2.1 development.  I have setup a multi module maven project
 where one of the modules contains a GWT module that contains mainly
 just shared object between server / client.  Another GWT module that
 is the actual client and server.  The problem I am having is when
 building the client project from the command line with the gwt:compile
 it cannot find the gwt module for the other project ( get the did you
 forget to an inherit a module ouput ).  When building through eclipse
 everything works fine ( guess its using more of the eclipse
 classpath ).  Anyone have any suggestions on this?

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Re: Best practice GWT development with Glassfish

[Filipe Sousa]

On Oct 10, 6:47 pm, Brausepaul maik.himst...@googlemail.com wrote:
 Hi,

 I worked through the GWT tutorial and GWT Designer tutorial and would
 like to port a simple existing JSP/Struts 1 application to GWT. The
 application persists its data to a HSQL database. Up to now I use
 Glassfish 2 and Eclipse on a Linux computer for my personal
 development needs. What is the best way to work and develop with the
 software mentioned above? I found a few hints here and there (like
 creating a standard dynamic web project and a GWT project, then
 merging both together...tricky if you ask me) but nothing really
 stable. So: Is there a stable, easy solution to work with Glassfish
 and GWT in development mode?

 Thanks in advance

 Maik

I have been using gwt and glassfish for some time. First download
eclipse jee edition and install the glassfish plugin from Marketplace.
Don't forget to add a new Server (File | New | Other | Server).
- Create a new Dynamic Web Project and enable GWT in the project
properties (Google | Web Toolkit). - Select the WebContent directory
as the WAR directory (Google | Web Application).
- Add a new Google Web Tookit Module
- Add a new Entry Point Class
- Add a new HTML page
- Add a new Run Configuration for GWT
- Compile GWT
- Start the server
- Add your project to Servers Tab
- Deploy

If you want a war file then File | Export | WAR file

I you want to use the WebContent directly as deploy directory you can
do this:
- Create a new External Tool Configuration
- Call asadmin with arguments deploy --force --properties
keepSessions=false WebContent
- Bind a key to this (I'm using the F1 key for deployments)

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Re: Unable to use GWT Dev Ext 1.0.7511 for FireFox 3.6.10 on 64bit SUSE 11.3

[Sorinel C]

Try the links from point 2 of this article:
http://ui-programming.blogspot.com/2009/12/update-your-application-to-gwt-20.html

Cheers!

PS: my latest tool: http://cool-movie-browser.blogspot.com/

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RE: Recommendations for improving performance of a mobile application

[Armishev, Sergey]

Regarding slow RPC calls. Just try to send incremental data changes,
only the data that been changed/added/deleted and cache main data on
client. You might have thousands of items but only few of them or
nothing been changed between RPC calls. I usually send full update  when
number of changes exceeds certain critical level when cost of update is
higher then full update. Another hint is to change only data that
visible to user. Usually there are not much visible data particularly on
mobile device.

-Sergey

-Original Message-
From: google-web-toolkit@googlegroups.com
[mailto:google-web-tool...@googlegroups.com] On Behalf Of denis56
Sent: Monday, October 11, 2010 2:27 PM
To: Google Web Toolkit
Subject: Recommendations for improving performance of a mobile
application

Hello to everyone,

We decided to give it a try programming a mobile application with GWT
- frequent RPC updates, very component-oriented and frequently
changing data. At the moment  we try to meet bearable performance
benchmarks since current performance is so dismal. To change to a
different page (fully dynamic) takes more than a minute at times ;
( Clicking on clickable panels, which are present in large quantities
on every page, is also excruciatingly slow.

I have watched videos from Google I/O Conference 2010 (Architecting
for performance with GWT, GWT's UI overhaul, Faster apps faster) and
tried replacing some of the widgets with UiBinder. This had so far
brought only minimal performance improvements. There are some critical
observations I would like to share and maybe you would have valuable
suggestions

 * One of the things Joel Webber tells is that widgets are slow.
Unfortunately everything is a widget in our app: clickable panels for
selection and HTMLPanels/FlowPanels to layout clickables. There is
very little space to cut off on widget. What would be the most
lightweight component to implement onMouseDown-Event (a Button or
clickable FlowPanel)? Is it worth the effort to replace all HTMLPanel/
FlowPanel possible with new Cell Widgets (I am thinking about CellList
in particular). Are they plain faster for layouting components?

 * Running Firebug Profiler and Speedtracer shows that PRC requests
take the most time. On page change, for example, an PRC call would
return a rather big list of DTOs - they have hierarchical logical
structure - and each is then injected into corresponding view that
attaches itself to parent view for display. So profiler says that
add()-calls take the most time. But I can hardly imagine a way to get
rid of these add calls because the views have to be attached to the
owning views. Is there a better strategy to display lists of lists of
data?

 * We use tables for layouting and in the process of converting that
into divs, as well as converting syles to eliminate style chaining.
Could that improve performance of mobile browsers significantly? One
of the insights Speedracer gave is that parsing HTML and recalculating
CSS styles takes a whole lot of time.


Would really appreciate every suggestion. Thanks,
Denis

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intended recipient, be advised that you have received this emailBR
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Re: Hook up HTML with GWT

[Il Lupo]

Thanks for the replies but I am not sure I can do much with those,
though I may not be looking at things the right way.
Let me try to explain a bit better (hopefully).
RootPanel.get(String id) returns you a RootPanel for the element with
the given id. That only works for certain top level elements.
So in the ul example below if I did this
ul id=menu

/ul
and I do
RootPanel ul = RootPanel.get(menu);
I get back the ul block as a RootPanel.
However it does not appear there is anything I can do with it.
If I enumerate the children there are none. In other words the li
elements are not created in the java universe.
I can reach the li nodes in the dom Element space but I am not sure
I can do much with them then (I need to hook up an event handlers at
the very least).

So overall the question is about what is doable with static HTML in
GWT. It's clear you can do everything with dynamic code. But if I have
a bunch of static HTML that I want to leverage where is the line? What
is that shows up in some form in the java object model (for lack of
a better word) and how much can be done with static HTML.

Thanks for the feedback


On Oct 11, 12:37 pm, Jim Douglas jdou...@basis.com wrote:
 Or look at this:

 http://google-web-toolkit.googlecode.com/svn/javadoc/2.1/com/google/g...

 On Oct 11, 10:20 am, Jeff Chimene jchim...@gmail.com wrote:



  On 10/11/2010 09:30 AM, Il Lupo wrote:

   I have been searching around for this with no luck so I decided to
   post the question hoping to get a quick and straight answer.
   Is there a way to hook up GWT java methods/classes to straight HTML?
   I can see a way to do it with DIVs (retrieval via id) but cannot find
   a way to do it on other HTML tags.
   Example:
   say I have a menu implemented with CSS and the following HTML snippet

   ...
       ul
           lia href=...One/a/li
           lia href=...Two/a/li
           lia href=...Three/a/li
       /ul
   ...
   I want to run GWT code (some method in some java class) when the user
   clicks on one of the anchors.
   Is there a way to do it?

   Or as an alternative, if I define some ul/li gropus in an html
   file, is there a way to surface that in GWT? (by surface I mean a
   way to retrieve it with code and operate on it).

  The first place to 
  start:http://code.google.com/webtoolkit/doc/latest/DevGuideCodingBasicsJSNI...

  then

   ...
       ul
           lia href=javascript:foo()One/a/li
           lia href=javascript:bar()Two/a/li
       /ul
   ...

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SelectionCell and CellTable

[Ed M]

After reviewing the updated GWT CellTable showcase code samples, I
found myself stuck with something I hope is relatively easy for more
experienced folks out there. the following is a snippet from the
showcase which is at the heart of the issue.

final Category[] categories = ContactDatabase.get().queryCategories();
ListString categoryNames = new ArrayListString();
for (Category category : categories) {
  categoryNames.add(category.getDisplayName());
}
SelectionCell categoryCell = new SelectionCell(categoryNames);
ColumnContactInfo, String categoryColumn = new Column
ContactInfo, String(categoryCell) {
  @Override
  public String getValue(ContactInfo object) {
return object.getCategory().getDisplayName();
  }
};
cellTable.addColumn(categoryColumn,
constants.cwCellTableColumnCategory());

The showcase example is based on the assumption that all rows must
have the same selection menu options (ie: CategoryNames are identical
for all objects in the table)

 Unfortunately what I am currently working on requires that each
object in the cellTable may have it's own menu list.  Can anyone
provide any clues as to how I would go about modifying the previous
code so that each object/row would have it's own SelectionCell?

I currently looking at the posibility of creating a custom
'CustomSelectionCell(ProvidesKey keyProvider) {} that will allow me to
directly access the target row/object. but I am unclear as to how to
accomplish this.

Thanks.

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Classloader, Jetty, and OSGI

[Viktoriya Sokolova]

Hi.

I get the exception (below) when I try to start up my jetty server
over OSGI while my GWT (2.0.3) client is up.  If my GWT client is not
up, the server starts up no problem, and I can bring up the client
with no errors.  However, if my client is up, when I shut down and
restart the server, it throws the error below.  After the error below,
it also throws SerializationException on one of our own classes, which
it doesn't have a problem with if the server is started up before the
client.  We have debugged, and it looks like our own classes do not
make it into the server's white list.

Client logic is to ping the server for requests based on a timer
(currently every minute).  Also, when I run my server in Eclipse, and
client in hosted mode, this is not happening.

What seems to be happening is that the classloaders used in the client
and the server on start up do not match up.  When I add the following
piece of code to my PnlServiceImpl class, this problem goes away.

ClassPnlService clazz =
com.hb.apps.hermes.smartGWT.pnlSummary.shared.PnlService.class;
Thread.currentThread().setContextClassLoader(clazz.getClassLoader());

Could you please help me clarify what exactly is happening, and
whether I should be manually setting the classloader on an Impl class
as a fix?

Thank you.


ERROR /smartGWT - PnlServlet: An IncompatibleRemoteServiceException
was thrown while processing this call.
com.google.gwt.user.client.rpc.IncompatibleRemoteServiceException:
Could not locate requested interface
'com.hb.apps.hermes.smartGWT.pnlSummary.shared.PnlService' in default
classloader
   at com.google.gwt.user.server.rpc.RPC.decodeRequest(RPC.java:264)
   at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:
186)
   at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:
224)
   at
com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:
62)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
   at
com.hb.apps.hermes.smartGWT.pnlSummary.server.PnlServiceImpl.service(PnlServiceImpl.java:
110)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
   at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
   at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:
362)
   at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:
216)
   at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:
181)
   at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:
729)
   at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:
405)
   at
org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:
114)
   at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:
152)
   at org.mortbay.jetty.Server.handle(Server.java:324)
   at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:
505)
   at org.mortbay.jetty.HttpConnection
$RequestHandler.content(HttpConnection.java:843)
   at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:647)
   at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:205)
   at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
   at org.mortbay.jetty.bio.SocketConnector
$Connection.run(SocketConnector.java:228)
   at org.mortbay.jetty.security.SslSocketConnector
$SslConnection.run(SslSocketConnector.java:635)
   at org.mortbay.thread.QueuedThreadPool
$PoolThread.run(QueuedThreadPool.java:488)
Caused by: java.lang.ClassNotFoundException:
com.hb.apps.hermes.smartGWT.pnlSummary.shared.PnlService
   at java.lang.Class.forName0(Native Method)
   at java.lang.Class.forName(Class.java:247)
   at
com.google.gwt.user.server.rpc.RPC.getClassFromSerializedName(RPC.java:
693)
   at com.google.gwt.user.server.rpc.RPC.decodeRequest(RPC.java:255)
   ... 23 common frames omitted

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Create Namespace Aware XML Elements on client

[John Maitland]

I'm trying to create XML document on the client, which is namespace
aware, but on Firefox any namespace attributes are not included in the
element. I believe firefox requires the new nodes to be created by
calling createElementNS, but this is not present at
XMLParserImpl.java. Has anyone else seen this, is it possible, or is
this a bug/oversight? Can this be archived by changing the doctype for
the page?

Any help would be greatly appreciated.

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Re: Recommendations for improving performance of a mobile application

[denis56]

Hi,

We already do that. Only changed objects are sent over the wire. There
is of course question of granularity, but i think we have struck a
good balance between complexity and efficiency. Are you also
developing for mobile?

On 11 Okt., 22:01, Armishev, Sergey sarmis...@idirect.net wrote:
 Regarding slow RPC calls. Just try to send incremental data changes,
 only the data that been changed/added/deleted and cache main data on
 client. You might have thousands of items but only few of them or
 nothing been changed between RPC calls. I usually send full update  when
 number of changes exceeds certain critical level when cost of update is
 higher then full update. Another hint is to change only data that
 visible to user. Usually there are not much visible data particularly on
 mobile device.

 -Sergey



 -Original Message-
 From: google-web-toolkit@googlegroups.com

 [mailto:google-web-tool...@googlegroups.com] On Behalf Of denis56
 Sent: Monday, October 11, 2010 2:27 PM
 To: Google Web Toolkit
 Subject: Recommendations for improving performance of a mobile
 application

 Hello to everyone,

 We decided to give it a try programming a mobile application with GWT
 - frequent RPC updates, very component-oriented and frequently
 changing data. At the moment  we try to meet bearable performance
 benchmarks since current performance is so dismal. To change to a
 different page (fully dynamic) takes more than a minute at times ;
 ( Clicking on clickable panels, which are present in large quantities
 on every page, is also excruciatingly slow.

 I have watched videos from Google I/O Conference 2010 (Architecting
 for performance with GWT, GWT's UI overhaul, Faster apps faster) and
 tried replacing some of the widgets with UiBinder. This had so far
 brought only minimal performance improvements. There are some critical
 observations I would like to share and maybe you would have valuable
 suggestions

  * One of the things Joel Webber tells is that widgets are slow.
 Unfortunately everything is a widget in our app: clickable panels for
 selection and HTMLPanels/FlowPanels to layout clickables. There is
 very little space to cut off on widget. What would be the most
 lightweight component to implement onMouseDown-Event (a Button or
 clickable FlowPanel)? Is it worth the effort to replace all HTMLPanel/
 FlowPanel possible with new Cell Widgets (I am thinking about CellList
 in particular). Are they plain faster for layouting components?

  * Running Firebug Profiler and Speedtracer shows that PRC requests
 take the most time. On page change, for example, an PRC call would
 return a rather big list of DTOs - they have hierarchical logical
 structure - and each is then injected into corresponding view that
 attaches itself to parent view for display. So profiler says that
 add()-calls take the most time. But I can hardly imagine a way to get
 rid of these add calls because the views have to be attached to the
 owning views. Is there a better strategy to display lists of lists of
 data?

  * We use tables for layouting and in the process of converting that
 into divs, as well as converting syles to eliminate style chaining.
 Could that improve performance of mobile browsers significantly? One
 of the insights Speedracer gave is that parsing HTML and recalculating
 CSS styles takes a whole lot of time.

 Would really appreciate every suggestion. Thanks,
 Denis

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 intended recipient, be advised that you have received this emailBR
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 copying of this email is strictly prohibited. If you received this emailBR
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Re: Client side caching of the .nocache,js and other included .js and .css files

[Daniel Kurka]

The .nocache.js file is loaded everytime to determine if the GWT Application
has changed and if we need to fetch the big cache.html file.

If your external javascript files change regularly I would suggest to put
them into the HTML site not include them with your app (at least not without
recompiling the app to invalidate the old files)

-Daniel Kurka

2010/10/9 PeterT peterteunis...@verizon.net


 We have a project.nocache.js file that included other .js and .css
 files. The generated project has a long GUID like name which changes
 each compilation, so that file is correctly loaded, but the problem we
 see is that when we change the other include files on the server, the
 client does not get the new files.  For the .nocache.js file we can
 force a reload by passing an additional parameter on the url that we
 change everytime the server side changes, but that does not cause the
 included .js and .css files to be picked up.

 Does anybody have the same issue and are there ways around this?

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Re: Route animation in google maps with GWT

[Chad]

Jan,

You can do it all with GWT. You can see a partial example of it here:

http://www.dtrac.us/hmr.html

I say partial because that page is setup for a race that takes place
in the future so there aren't any position reports to show yet. But,
even without that, you can see how the time line and animation works.
There is a time line (slider control) that can be manipulated
manually. There is a spinner control to allow user control over the
speed (forwards and backwards). There are also overlays that can be
turned on and off (and zoomed into). And the main race course can be
zoomed to (target images). We will also be tracking Marco Nannini in
the Route du Rhum next month. You can see the tracking page for his
race on his site:

http://www.marconannini.com/tracking

You'll notice the sites look very similar. The fact is, I did this
data driven. This way, I can just add a few rows to a few tables to
create a new event. It also supports multiple devices (boats, cars,
people, whatever) in a single event. It's not hard to do. Brian pretty
much hit it on the head when he said to use an array and a timer. Mine
was a little more complex since I keep the slider, the polyline, and
the position reports all in sync.

Have fun,
Chad
www.milamade.com


On Oct 9, 7:53 am, Jan jan.widm...@gmx.ch wrote:
 Hi all,

 For an actual project, we need to evaluate movements of motor-ships.
 The position datas are sent from a gps router on the ships and are
 saved in a database on our server. One of our goals is to show the
 driven way of one or more ships between a specified time as an
 animation. Our Application is written in Java with GWT. What we have
 already is, that the driven way get's drafted like a normal route in
 google maps. What we want is, to show for example all ship movements
 for one day in fast motion.

 My actual problem is, how to animate the driven way. Is it possible to
 do the animation in GWT, or do we need to use javascript?

 I hope, someone can give me some ideas.

 Thanks a lot.

 Jan

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RE: Recommendations for improving performance of a mobile application

[Armishev, Sergey]

I am not specifically developing for mobile device (I am doing Network 
Management) and not consider myself guru in the mobile Web apps. But I did 
pretty good testing regarding performance of my GWT apps on mobile devices to 
allow our customers use their smart phones for network management. What I found 
that performance greatly depends on performance of Javascript engine running 
inside mobile browser. On my Android my alarm management app was running 
probably with the same performance as on my desktop. No visible performance 
degradation. On Windows Mobile 6.5 with default Pocket Explorer browser my 
app was just frozen! Only after installing Opera browser it started to run 
without visible performance problems. Just to let you know that I am using long 
polling to achieve real time visualization and operators can exchange instant 
messaging through the same GWT RPC calls.
I can recommend to test your app on Android first to see the best performance 
and then go to other mobile devices

-Sergey

-Original Message-
From: google-web-toolkit@googlegroups.com 
[mailto:google-web-tool...@googlegroups.com] On Behalf Of denis56
Sent: Monday, October 11, 2010 4:44 PM
To: Google Web Toolkit
Subject: Re: Recommendations for improving performance of a mobile application

Hi,

We already do that. Only changed objects are sent over the wire. There
is of course question of granularity, but i think we have struck a
good balance between complexity and efficiency. Are you also
developing for mobile?

On 11 Okt., 22:01, Armishev, Sergey sarmis...@idirect.net wrote:
 Regarding slow RPC calls. Just try to send incremental data changes,
 only the data that been changed/added/deleted and cache main data on
 client. You might have thousands of items but only few of them or
 nothing been changed between RPC calls. I usually send full update  when
 number of changes exceeds certain critical level when cost of update is
 higher then full update. Another hint is to change only data that
 visible to user. Usually there are not much visible data particularly on
 mobile device.

 -Sergey



 -Original Message-
 From: google-web-toolkit@googlegroups.com

 [mailto:google-web-tool...@googlegroups.com] On Behalf Of denis56
 Sent: Monday, October 11, 2010 2:27 PM
 To: Google Web Toolkit
 Subject: Recommendations for improving performance of a mobile
 application

 Hello to everyone,

 We decided to give it a try programming a mobile application with GWT
 - frequent RPC updates, very component-oriented and frequently
 changing data. At the moment  we try to meet bearable performance
 benchmarks since current performance is so dismal. To change to a
 different page (fully dynamic) takes more than a minute at times ;
 ( Clicking on clickable panels, which are present in large quantities
 on every page, is also excruciatingly slow.

 I have watched videos from Google I/O Conference 2010 (Architecting
 for performance with GWT, GWT's UI overhaul, Faster apps faster) and
 tried replacing some of the widgets with UiBinder. This had so far
 brought only minimal performance improvements. There are some critical
 observations I would like to share and maybe you would have valuable
 suggestions

  * One of the things Joel Webber tells is that widgets are slow.
 Unfortunately everything is a widget in our app: clickable panels for
 selection and HTMLPanels/FlowPanels to layout clickables. There is
 very little space to cut off on widget. What would be the most
 lightweight component to implement onMouseDown-Event (a Button or
 clickable FlowPanel)? Is it worth the effort to replace all HTMLPanel/
 FlowPanel possible with new Cell Widgets (I am thinking about CellList
 in particular). Are they plain faster for layouting components?

  * Running Firebug Profiler and Speedtracer shows that PRC requests
 take the most time. On page change, for example, an PRC call would
 return a rather big list of DTOs - they have hierarchical logical
 structure - and each is then injected into corresponding view that
 attaches itself to parent view for display. So profiler says that
 add()-calls take the most time. But I can hardly imagine a way to get
 rid of these add calls because the views have to be attached to the
 owning views. Is there a better strategy to display lists of lists of
 data?

  * We use tables for layouting and in the process of converting that
 into divs, as well as converting syles to eliminate style chaining.
 Could that improve performance of mobile browsers significantly? One
 of the insights Speedracer gave is that parsing HTML and recalculating
 CSS styles takes a whole lot of time.

 Would really appreciate every suggestion. Thanks,
 Denis

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Re: GWT can't compile for simple example

[Sorinel C]

Do you use the GWT plugin for Eclipse to create and manage your
project (structure) ? 'cause if you do that, then you shouldn't have
this problem...

Here's the list of the lastest tools from GWT:
http://ui-programming.blogspot.com/2010/10/cool-development-tools-from-google.html


Cheers,

PS: if you like it, don't be shy and click on 1 or 2 ads, please!

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Re: some newbie questions

[Ray Tayek]

At 02:25 AM 10/11/2010, you wrote:



On 9 oct, 04:15, Ray Tayek rta...@ca.rr.com wrote:
 ... i sometime get a: A widget that has an existing parent widget may
 not be added to the detach list error  ...

You cannot have root widgets whose elements are nested (i.e. there's
no parent/child relationship between the widgets, but there's one
between their elements in the DOM).  ...


ok.


...
 also, i am using gwt-logger. when this crashes, i get this big grey
 thing that says: GWT Code Server Disconnected  which hides the log
 stiff and my html stuff. i have poor vision, is there some way to
 move the thing that  ...

In Firebug or any developer tool, set display:none on the DIV.


great, i will try that.

thanks

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how to get rid of GWT Code Server Disconnected

[Ray Tayek]

hi, when things go south, i am getting this get this big grey thing 
that says: GWT Code Server Disconnected  which hides the log stiff 
and my html stuff.


i have poor vision, is there some way to get rid of or move the thing 
that has the GWT Code Server Disconnected  so i can see what's underneath?


thanks


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Re: newbie - GWT.getHostPageBaseURL() + greetingService?input= + string);

[Ray Tayek]

At 07:07 AM 10/11/2010, you wrote:

Are you still using the provided GreetingServiceImpl on server side
that expects a GWT RPC call?


yes. that code is the same except for choosing a response to send to 
the client.



Because the way you're setting this up is not sending a GWT RPC
request, you're just get/put/post'ing that plaintext
request.  It's perfectly valid to do that, but if your GreetingService
servlet is
still extending RemoteServiceServlet it's going to be expecting a GWT
RPC request..hence the check for 'text/x-gwt-rpc' content-type..and
reject your non-RPC request.

If you want to stick with GWT RPC, you don't use RequestBuilder like
this.


ok.
i am a newbie, so i don't really know. so far all of the stuff that i 
want to send and receive is just strings.




Based on just your simple use case for timing out an RPC call you can
do something like this with an RpcRequestBuilder implementation that
sets the request timeout to 6:

ServiceDefTarget async = GWT.create(MyAsync.class);
async.setRpcRequestBuilder(builder);
((MyAsync) async).method(data, callback);


i will try this.

thanks



On Oct 11, 5:29 am, Ray Tayek rta...@ca.rr.com wrote:
 At 11:22 PM 10/10/2010, you wrote:

 Hello Ray,

 if you are wondering what url the gwt async uses, you can see this
 in firebug (network tab).

 cool

 I think you are missing your module in the url.
 Dont use  GWT.getHostPageBaseURL() use GWT.getModuleBaseURL() and
 you should be fine.

 that and changing greetingService to greet gets 
me:http://127.0.0.1:/rtecg2/greet?input=Command2, and a 405 HTTP

 method GET is not supported by this URL .

 changing get to put does not help
 trying a post , gets a 505: javax.servlet.ServletException:
 Content-Type was 'text/plain; charset=utf-8'. Expected 'text/x-gwt-rpc'.

 i am sending just a string. my code (please see below) tries to build
 a request with a timeout. the normal code that works uses:

 greetingService.greetServer(id, new AsyncCallbackString() { ... }

 thanks

 private void sendStringToServer(final String string, final Label label) {
 Log.info(sending:  + string + , label= + label);
 final String request = GWT.getModuleBaseURL() + greet?input= + string;
 Log.info(request);
 RequestBuilder requestBuilder = new
 RequestBuilder(RequestBuilder.POST, request);
 requestBuilder.setTimeoutMillis(6);
 RequestCallback requestCallback = new RequestCallback() {
 @Override
 public void onError(Request request, Throwable exception) {
 Log.error(fail!  + exception);
 label.setText(fail!  + exception);

 }

 @Override
 public void onResponseReceived(Request request, Response response) {
 int statusCode = response.getStatusCode();
 if (statusCode != Response.SC_OK) {
 this.onError(request, null);
 return;}

 final String answer = response.getText();
 Log.info(answer= + answer);
 if (label != null)
 label.setText(answer);

 }
 };

 try {
 requestBuilder.sendRequest(null, requestCallback);} catch 
(RequestException e) {


 requestCallback.onError(null, e);



 }
 }
 -Daniel Kurka

 2010/10/11 Ray Tayek mailto:rta...@ca.rr.comrta...@ca.rr.com
 At 03:47 PM 10/10/2010, you wrote:
 hi, i would like to add a timeout to some of my async callbacks. i
 am using a hacked up version of greet server. the normal code:
 greetingService.greetServer(id, new AsyncCallbackString() { ... }

 ...

 using the second (please see code below),  the
 code:  GWT.getHostPageBaseURL() + greetingService?input= + string);

 returns:
 http://127.0.0.1:/greetingService?input=Command1http://127. 
0.0.1:/greetingService?input=Command1


 the url that the browser uses is:
 http://127.0.0.1:/Rtecg2.html?gwt.codesvr=127.0.0.1:9997htt 
p://127.0.0.1:/Rtecg2.html?gwt.codesvr=127.0.0.1:9997


 can someone tell me the correct url to use or how to fix the code to
 get it programatically?

 i'm geting a 404, the console says: [WARN] 404 - GET
 /greetingService?input=command0id (127.0.0.1) 1401 bytes ... ...


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Re: how to get rid of GWT Code Server Disconnected (solved)

[Ray Tayek]

At 03:09 PM 10/11/2010, you wrote:
hi, when things go south, i am getting this get this big grey thing 
that says: GWT Code Server Disconnected  which hides the log stiff 
and my html stuff.


i have poor vision, is there some way to get rid of  ...


seems like i shoud be able to: In Firebug or any developer tool, set 
display:none on the DIV.


thanks

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Re: Help with Combobox (extGWT)

[Carl Pritchett]

Hi,

Two tips: Post GXT questions on the Sencha forums and download the GXT
source code and search it. The source is invaluable.

The stock class is not part of the extGWT library, but it is in the
source code for the examples. For 2.2.0 it is in samples\resources\src
\com\extjs\gxt\samples\resources\client\model.
You can add that to your project to get it working, but ultimatley you
don't want to use the data in the stocks file, you want to use your
own data in the combo box.

You probably want a to create simple list of state strings and
SimpleComboBoxString

e.g.

SimpleComboBoxString combo = new SimpleComboBoxString();
combo.add(Iowa);
combo.add(Illinois);

combo.setSimpleValue(Ohio);

Regards,
Carl Pritchett

On Oct 11, 10:28 am, Diego Venuzka dvenu...@gmail.com wrote:
 Hello!
 On my project, i'll need a combox, to filter states. On the sencha.com site,
 i found this example:http://www.sencha.com/examples/#combobox
 But this code dont work and show: Class Stock not found. I guess that
 class have the data to show on combo...But how i create that class? I still
 searching on entire site and i don't found nothing...
 Somebody have an example to send?

 thanks! =)
 --
 Diego Venuzka

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Re: Classloader, Jetty, and OSGI

[Thomas Broyer]

On 11 oct, 22:26, Viktoriya Sokolova viktoriya.sokol...@gmail.com
wrote:
 Hi.

 I get the exception (below) when I try to start up my jetty server
 over OSGI while my GWT (2.0.3) client is up.  If my GWT client is not
 up, the server starts up no problem, and I can bring up the client
 with no errors.  However, if my client is up, when I shut down and
 restart the server, it throws the error below.  After the error below,
 it also throws SerializationException on one of our own classes, which
 it doesn't have a problem with if the server is started up before the
 client.  We have debugged, and it looks like our own classes do not
 make it into the server's white list.

Searching the issue tracker for OSGi gives (among others) those 2
issues:
http://code.google.com/p/google-web-toolkit/issues/detail?id=4392
http://code.google.com/p/google-web-toolkit/issues/detail?id=4394

HTH

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Re: Integration of hibernate with GWT

[SZK]

I just want to comment on Gilead run away from it fast as you can
why you ask ? because it is super invasive .

Use to connect to hibernate just use spring do not need any thing
else . However GWTP is a good framework untill such time when GWT's
own MVP framework is finalized . Which I hope is sooner rather :)

On Oct 11, 8:12 pm, Thomas Broyer t.bro...@gmail.com wrote:
 On 9 oct, 18:22, Y2i yur...@gmail.com wrote:

  Thomas, when you say it shouldn't be that hard to port to any
  server, what do you mean by the server?  A javax.servlet container
  like Jetty or an application server, like Geronimo, Glassfish, etc.?

 I meant javax.servlet container (does that really make a difference? I
 don't use application servers so I really don't know; I only know I
 don't need one ;-) )

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Re: Integration of hibernate with GWT

[Y2i]

I can use Eclipse Link in resource-local mode to connect to a data
store using JPA in plain Jetty (no application server, just a plain
web container).  I could probably replace Eclipse Link with Hibernate
and it would work, I just haven't tried that yet.  But I am not able
to configure Jetty to enable resource injection for JPA.  Has anyone
been able to configure plain Jetty to use resource injection/JPA
without?  Would really appreciate your thoughts and/or links to
relevant documentation.

On Oct 11, 4:44 pm, SZK khan.shah...@gmail.com wrote:
 I just want to comment on Gilead run away from it fast as you can
 why you ask ? because it is super invasive .

 Use to connect to hibernate just use spring do not need any thing
 else . However GWTP is a good framework untill such time when GWT's
 own MVP framework is finalized . Which I hope is sooner rather :)

 On Oct 11, 8:12 pm, Thomas Broyer t.bro...@gmail.com wrote:







  On 9 oct, 18:22, Y2i yur...@gmail.com wrote:

   Thomas, when you say it shouldn't be that hard to port to any
   server, what do you mean by the server?  A javax.servlet container
   like Jetty or an application server, like Geronimo, Glassfish, etc.?

  I meant javax.servlet container (does that really make a difference? I
  don't use application servers so I really don't know; I only know I
  don't need one ;-) )

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Re: GWT2.1 - Progress Bar Cell DataProviders

[Nick]

bump

On Oct 1, 10:34 pm, Nick nix...@gmail.com wrote:
 I am in the process of creating a Progress Bar Cell  that will work in
 a GWT2.1 CellTable. So far I have the cell rendering a simple html
 progress bar in a manner that is consistent with other cell renders.

 I need to somehow update the progress bar cell value after receiving a
 new value.  Should I be using the updateRowData method on the
 AsyncDataProvider?

 Also, is there a logical place to include the polling code within the
 CellTable/DataProvider/.. architecture? Maybe a
 PollingAsyncDataProvider or something.

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Re: GWT can't compile for simple example

[heros]

Thanks for your link (I have clicked some ads for you -;) )

I'm using latest GWT plugin for Eclipse 3.6.
You can build the same project?
It's strange. I also install GWT Desinger too. Do it effect to the
project build process?
May I try to reinstall GWT plugin.

Hung

On Oct 12, 5:09 am, Sorinel C scristescu...@hotmail.com wrote:
 Do you use the GWT plugin for Eclipse to create and manage your
 project (structure) ? 'cause if you do that, then you shouldn't have
 this problem...

 Here's the list of the lastest tools from 
 GWT:http://ui-programming.blogspot.com/2010/10/cool-development-tools-fro...

 Cheers,

 PS: if you like it, don't be shy and click on 1 or 2 ads, please!

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Re: GWT can't compile for simple example

[heros]

Thanks for your link (I have clicked some ads for you -;) )

I'm using latest GWT plugin for Eclipse 3.6.
You can build the same project?
It's strange. I also install GWT Desinger too. Do it effect to the
project build process?
May I try to reinstall GWT plugin.

Hung

On Oct 12, 5:09 am, Sorinel C scristescu...@hotmail.com wrote:
 Do you use the GWT plugin for Eclipse to create and manage your
 project (structure) ? 'cause if you do that, then you shouldn't have
 this problem...

 Here's the list of the lastest tools from 
 GWT:http://ui-programming.blogspot.com/2010/10/cool-development-tools-fro...

 Cheers,

 PS: if you like it, don't be shy and click on 1 or 2 ads, please!

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Re: GWT can't compile for simple example

[Frank Argueta]

GWT Mods, Will you please BAN this SPAMMER. Every post of this ignoramus has
an unrelated link to his ads and trojan infested site.

This guy is a real loser that just won't go away.

On Mon, Oct 11, 2010 at 6:09 PM, Sorinel C scristescu...@hotmail.comwrote:

 Do you use the GWT plugin for Eclipse to create and manage your
 project (structure) ? 'cause if you do that, then you shouldn't have
 this problem...

 Here's the list of the lastest tools from GWT:

 http://ui-programming.blogspot.com/2010/10/cool-development-tools-from-google.html


 Cheers,

 PS: if you like it, don't be shy and click on 1 or 2 ads, please!

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Re: Hook up HTML with GWT

[Didier DURAND]

Hi Il Lupo,

I guess that you want to replicate what is usually done in js but you
want to do it natively in Java: the way to go is to use
com.google.gwt.dom.client.Node (or Element)

If you know the html id of your element, then you can get it and start
iterating over its children to reach them as needed all in Java: check
the doc above.

regards
didier

On Oct 11, 10:18 pm, Il Lupo totomot...@gmail.com wrote:
 Thanks for the replies but I am not sure I can do much with those,
 though I may not be looking at things the right way.
 Let me try to explain a bit better (hopefully).
 RootPanel.get(String id) returns you a RootPanel for the element with
 t

} he given id. That only works for certain top level elements.
 So in the ul example below if I did this
 ul id=menu
     
 /ul
 and I do
 RootPanel ul = RootPanel.get(menu);
 I get back the ul block as a RootPanel.
 However it does not appear there is anything I can do with it.
 If I enumerate the children there are none. In other words the li
 elements are not created in the java universe.
 I can reach the li nodes in the dom Element space but I am not sure
 I can do much with them then (I need to hook up an event handlers at
 the very least).

 So overall the question is about what is doable with static HTML in
 GWT. It's clear you can do everything with dynamic code. But if I have
 a bunch of static HTML that I want to leverage where is the line? What
 is that shows up in some form in the java object model (for lack of
 a better word) and how much can be done with static HTML.

 Thanks for the feedback

 On Oct 11, 12:37 pm, Jim Douglas jdou...@basis.com wrote:

  Or look at this:

 http://google-web-toolkit.googlecode.com/svn/javadoc/2.1/com/google/g...

  On Oct 11, 10:20 am, Jeff Chimene jchim...@gmail.com wrote:

   On 10/11/2010 09:30 AM, Il Lupo wrote:

I have been searching around for this with no luck so I decided to
post the question hoping to get a quick and straight answer.
Is there a way to hook up GWT java methods/classes to straight HTML?
I can see a way to do it with DIVs (retrieval via id) but cannot find
a way to do it on other HTML tags.
Example:
say I have a menu implemented with CSS and the following HTML snippet

...
    ul
        lia href=...One/a/li
        lia href=...Two/a/li
        lia href=...Three/a/li
    /ul
...
I want to run GWT code (some method in some java class) when the user
clicks on one of the anchors.
Is there a way to do it?

Or as an alternative, if I define some ul/li gropus in an html
file, is there a way to surface that in GWT? (by surface I mean a
way to retrieve it with code and operate on it).

   The first place to 
   start:http://code.google.com/webtoolkit/doc/latest/DevGuideCodingBasicsJSNI...

   then

...
    ul
        lia href=javascript:foo()One/a/li
        lia href=javascript:bar()Two/a/li
    /ul
...

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Re: linux + development mode

[Didier DURAND]

It works here in Ubuntu 32bit 10.04

Do you use 64 bits ? I have read about some issues with 64 bits

didier

On Oct 9, 2:18 pm, Racka hello.ra...@gmail.com wrote:
 Hi all,

 i'm using arch linux and my browser is firefox (and blackbox as window
 manager, no desktop manager at all). When i try to start a hosted mode
 session, my browser asks for the development plugin, which I allow to
 install. But when i restart my browser everything remains the same. It
 asks for the plugin. What can be a problem? I've heard that maybe I
 should recompile and make the .xpi file myself. But no luck yet...

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Re: how to get rid of GWT Code Server Disconnected (solved)

[Rud]

You can also find all the information in the Development view in
Eclipse.

Rud


On Oct 11, 5:20 pm, Ray Tayek rta...@ca.rr.com wrote:
 At 03:09 PM 10/11/2010, you wrote:

 hi, when things go south, i am getting this get this big grey thing
 that says: GWT Code Server Disconnected  which hides the log stiff
 and my html stuff.

 i have poor vision, is there some way to get rid of  ...

 seems like i shoud be able to: In Firebug or any developer tool, set
 display:none on the DIV.

 thanks

 ---
 co-chairhttp://ocjug.org/

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Re: how to get rid of GWT Code Server Disconnected (solved)

[Ray Tayek]

At 10:11 PM 10/11/2010, you wrote:

You can also find all the information in the Development view in
Eclipse.


i can see the logs there just fine.



On Oct 11, 5:20 pm, Ray Tayek rta...@ca.rr.com wrote:
 At 03:09 PM 10/11/2010, you wrote:

 i have poor vision, is there some way to get rid of  ...

 seems like i shoud be able to: In Firebug or any developer tool, set
 display:none on the DIV. ...


i can find the div and get it into edit mode (not sure how to get out 
of edit mode and save changes) it's pretty small type :(.


hopefully i will only have to edit the one div.

thanks


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[gwt-contrib] [google-web-toolkit] r9012 committed - Add temporary gwt-maven-plugin version 1.3.2.google which fixes AppEng...

[codesite-noreply]

Revision: 9012
Author: cromwell...@google.com
Date: Sun Oct 10 23:01:02 2010
Log: Add temporary gwt-maven-plugin version 1.3.2.google which fixes  
AppEngine DevMode issues


http://code.google.com/p/google-web-toolkit/source/detail?r=9012

Added:
 /2.1.0.M3/gwt/maven/org/codehaus/mojo/gwt-maven-plugin/1.3.2.google
  
/2.1.0.M3/gwt/maven/org/codehaus/mojo/gwt-maven-plugin/1.3.2.google/gwt-maven-plugin-1.3.2.google.jar
  
/2.1.0.M3/gwt/maven/org/codehaus/mojo/gwt-maven-plugin/1.3.2.google/gwt-maven-plugin-1.3.2.google.jar.sha1
  
/2.1.0.M3/gwt/maven/org/codehaus/mojo/gwt-maven-plugin/1.3.2.google/gwt-maven-plugin-1.3.2.google.pom
  
/2.1.0.M3/gwt/maven/org/codehaus/mojo/gwt-maven-plugin/1.3.2.google/gwt-maven-plugin-1.3.2.google.pom.sha1

Modified:
 /2.1.0.M3/gwt/maven/org/codehaus/mojo/gwt-maven-plugin/maven-metadata.xml
  
/2.1.0.M3/gwt/maven/org/codehaus/mojo/gwt-maven-plugin/maven-metadata.xml.md5


===
--- /dev/null   
+++  
/2.1.0.M3/gwt/maven/org/codehaus/mojo/gwt-maven-plugin/1.3.2.google/gwt-maven-plugin-1.3.2.google.jar	 
Sun Oct 10 23:01:02 2010

Binary file, no diff available.
===
--- /dev/null
+++  
/2.1.0.M3/gwt/maven/org/codehaus/mojo/gwt-maven-plugin/1.3.2.google/gwt-maven-plugin-1.3.2.google.jar.sha1	 
Sun Oct 10 23:01:02 2010

@@ -0,0 +1,1 @@
+071e0952121e1893915a06e674bfb06765c0aebc
===
--- /dev/null
+++  
/2.1.0.M3/gwt/maven/org/codehaus/mojo/gwt-maven-plugin/1.3.2.google/gwt-maven-plugin-1.3.2.google.pom	 
Sun Oct 10 23:01:02 2010

@@ -0,0 +1,397 @@
+?xml version=1.0 encoding=UTF-8?
+  !--
+~ Licensed to the Apache Software Foundation (ASF) under one ~ or more  
contributor license agreements. See the
+NOTICE file ~ distributed with this work for additional information ~  
regarding copyright ownership. The ASF
+licenses this file ~ to you under the Apache License, Version 2.0 (the  
~ License); you may not use this file
+except in compliance ~ with the License. You may obtain a copy of the  
License at ~ ~
+http://www.apache.org/licenses/LICENSE-2.0 ~ ~ Unless required by  
applicable law or agreed to in writing, ~ software
+distributed under the License is distributed on an ~ AS IS BASIS,  
WITHOUT WARRANTIES OR CONDITIONS OF ANY ~ KIND,
+either express or implied. See the License for the ~ specific language  
governing permissions and limitations ~ under

+the License.
+  --
+project xmlns=http://maven.apache.org/POM/4.0.0;  
xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance;  
xsi:schemaLocation=http://maven.apache.org/POM/4.0.0  
http://maven.apache.org/xsd/maven-4.0.0.xsd;

+  modelVersion4.0.0/modelVersion
+  parent
+groupIdorg.codehaus.mojo/groupId
+artifactIdmojo-parent/artifactId
+version24/version
+  /parent
+  artifactIdgwt-maven-plugin/artifactId
+  version1.3.2.google/version
+  packagingmaven-plugin/packaging
+  nameMaven GWT Plugin/name
+  description
+Maven plugin for the Google Web Toolkit.
+  /description
+  urlhttp://mojo.codehaus.org/gwt-maven-plugin/url
+  inceptionYear2007/inceptionYear
+  prerequisites
+maven2.0.9/maven
+  /prerequisites
+  licenses
+license
+  urlhttp://www.apache.org/licenses/LICENSE-2.0.txt/url
+  nameApache 2.0/name
+  distributionrepo/distribution
+/license
+  /licenses
+  developers
+developer
+  idndeloof/id
+  nameNicolas De Loof/name
+  emailnico...@apache.org/email
+/developer
+developer
+  idcharlie.collins/id
+  nameCharlie Collins/name
+  emailcharlie.coll...@gmail.com/email
+/developer
+developer
+  idolamy/id
+  nameOlivier Lamy/name
+  emailol...@apache.org/email
+/developer
+  /developers
+  contributors
+contributor
+  nameRobert Scholte/name
+/contributor
+contributor
+  nameStefan Hübner/name
+/contributor
+  /contributors
+  mailingLists
+mailingList
+  namegwt-maven-plugin User List/name
+   
subscribecodehaus-mojo-gwt-maven-plugin-users-subscr...@googlegroups.com/subscribe
+   
unsubscribecodehaus-mojo-gwt-maven-plugin-users+unsubscr...@googlegroups.com/unsubscribe

+  postcodehaus-mojo-gwt-maven-plugin-us...@googlegroups.com/post
+   
archivehttp://groups.google.com/group/codehaus-mojo-gwt-maven-plugin-users/archive

+/mailingList
+mailingList
+  nameGeneral Mojo User List/name
+  subscribeuser-subscr...@mojo.codehaus.org/subscribe
+  unsubscribeuser-unsubscr...@mojo.codehaus.org/unsubscribe
+  postu...@mojo.codehaus.org/post
+   
archivehttp://archive.hausfoundation.org/lists/org.codehaus.mojo.user/archive

+  otherArchives
+ 
otherArchivehttp://www.nabble.com/mojo---user-f11980.html/otherArchive
+ 
otherArchivehttp://markmail.org/list/org.codehaus.mojo.user/otherArchive

+  /otherArchives
+/mailingList
+mailingList
+  nameGeneral Mojo Development List/name
+  

[gwt-contrib] [google-web-toolkit] r9013 committed - Created wiki page through web user interface.

[codesite-noreply]

Revision: 9013
Author: b...@google.com
Date: Mon Oct 11 06:27:34 2010
Log: Created wiki page through web user interface.
http://code.google.com/p/google-web-toolkit/source/detail?r=9013

Added:
 /wiki/Editors.wiki

===
--- /dev/null
+++ /wiki/Editors.wiki  Mon Oct 11 06:27:34 2010
@@ -0,0 +1,49 @@
+#summary Data binding for bean-like objects
+
+= GWT Editor Framework (DRAFT) =
+
+The GWT Editor framework allows data stored in an object graph to be  
mapped onto a graph of Editors.  The typical scenario is wiring objects  
returned from an RPC mechanism into a UI.

+
+== Quickstart ==
+
+{{{
+public class PersonEditor extends Dialog implements EditorPerson {
+  // Sub-editors are retrieved from package-protected fields, usually  
initialized with UiBinder

+  Label nameEditor;
+  AddressEditor addressEditor;
+  ManagerSelector managerEditor;
+}
+
+public class EditPersonWorkflow{
+  // Empty interface declaration, similar to UiBinder
+  interface Driver extends SimpleBeanEditorDriverPerson, PersonEditor {}
+
+  // Create the Driver
+  Driver driver = GWT.create(Driver.class);
+
+  void edit(Person p) {
+// PersonEditor is a DialogBox that extends EditorPerson
+PersonEditor editor = new PersonEditor();
+// Initialize the driver with the top-level editor
+driver.initialize(editor);
+// Copy the data in the object into the UI
+driver.edit(p);
+ // Put the UI on the screen.
+editor.center();
+  }
+
+  // Called by some UI action
+  void save() {
+Person edited = driver.flush();
+if (driver.hasErrors()) {
+  // A sub-editor reported errors
+}
+doSomethingWithEditedPerson(edited);
+  }
+}
+}}}
+
+== Definitions ==
+
+  * _Bean-like object_: An object that supports retrieval of properties  
through strongly-typed `Foo getFoo()` methods with optional `void  
setFoo(Foo foo);` methods.

+  * _Editor_: An object that supports editing zero or more properties of a

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[gwt-contrib] Re: Fixing a bug where headers are not redrawn when the data changes. I was trying to be crafty and... (issue971801)

[jlabanca]

http://gwt-code-reviews.appspot.com/971801/diff/1/3
File user/test/com/google/gwt/user/cellview/client/CellTableTest.java
(left):

http://gwt-code-reviews.appspot.com/971801/diff/1/3#oldcode23
user/test/com/google/gwt/user/cellview/client/CellTableTest.java:23:
public class CellTableTest extends AbstractHasDataTestBase {
Good catch.  Fixed and I added a test case that fails against the bug.

http://gwt-code-reviews.appspot.com/971801/show

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[gwt-contrib] Re: Fixing a bug where headers are not redrawn when the data changes. I was trying to be crafty and... (issue971801)

[jlabanca]

http://gwt-code-reviews.appspot.com/971801/show

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[gwt-contrib] Re: Add README step to use the Google Web Toolkit SDK in the gwt-user project so that users can run ... (issue966802)

[pdr]

http://gwt-code-reviews.appspot.com/966802/show

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[gwt-contrib] Re: Add Support for server side script selection in linker (issue941802)

[jgw]

On 2010/10/07 21:17:49, unnurg wrote:


I thought I already saw this go through -- is this still awaiting
review?

http://gwt-code-reviews.appspot.com/941802/show

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[gwt-contrib] Working around a bug in the xerces SAX parser used by SafeHtml templates. When using Java 1.5, t... (issue978801)

[jlabanca]

Reviewers: rchandia,

Description:
Working around a bug in the xerces SAX parser used by SafeHtml
templates. When using Java 1.5, the parser does not parse the Template
used by CellList correctly.  Adding a space anywhere fixes the problem.
We don't see the problem in any of the other templates.


Please review this at http://gwt-code-reviews.appspot.com/978801/show

Affected files:
  M user/src/com/google/gwt/user/cellview/client/CellList.java


Index: user/src/com/google/gwt/user/cellview/client/CellList.java
===
--- user/src/com/google/gwt/user/cellview/client/CellList.java	(revision  
8983)
+++ user/src/com/google/gwt/user/cellview/client/CellList.java	(working  
copy)

@@ -115,7 +115,7 @@
   }

   interface Template extends SafeHtmlTemplates {
-@Template(div onclick=\\ __idx=\{0}\ class=\{1}\  
style=\outline:none;\{2}/div)
+@Template(div onclick=\\ __idx=\{0}\ class=\{1}\  
style=\outline:none;\ {2}/div)

 SafeHtml div(int idx, String classes, SafeHtml cellContents);

 @Template(div onclick=\\ __idx=\{0}\ class=\{1}\  
style=\outline:none;\ tabindex=\{2}\{3}/div)



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[gwt-contrib] Re: Ensure that EntityProxy instances returned from Collections returned from an editable EntityProx... (issue976801)

[rjrjr]

Looks good, but needs test.

On 2010/10/09 15:28:19, bobv wrote:




http://gwt-code-reviews.appspot.com/976801/show

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[gwt-contrib] Re: Ensure that EntityProxy instances returned from Collections returned from an editable EntityProx... (issue976801)

[rjrjr]

http://gwt-code-reviews.appspot.com/976801/diff/1/3
File
user/test/com/google/gwt/requestfactory/client/RequestFactoryTest.java
(right):

http://gwt-code-reviews.appspot.com/976801/diff/1/3#newcode1766
user/test/com/google/gwt/requestfactory/client/RequestFactoryTest.java:1766:
// Check lists of proxies returned from an mutable object are mutable
a mutable

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[gwt-contrib] Re: Ensure that EntityProxy instances returned from Collections returned from an editable EntityProx... (issue976801)

[rjrjr]

LGTM

Clearly the brain pills have not kicked in, the test is fine.

http://gwt-code-reviews.appspot.com/976801/show

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[gwt-contrib] [google-web-toolkit] r9014 committed - Edited wiki page Editors through web user interface.

[codesite-noreply]

Revision: 9014
Author: b...@google.com
Date: Mon Oct 11 09:52:54 2010
Log: Edited wiki page Editors through web user interface.
http://code.google.com/p/google-web-toolkit/source/detail?r=9014

Modified:
 /wiki/Editors.wiki

===
--- /wiki/Editors.wiki  Mon Oct 11 06:27:34 2010
+++ /wiki/Editors.wiki  Mon Oct 11 09:52:54 2010
@@ -45,5 +45,73 @@

 == Definitions ==

-  * _Bean-like object_: An object that supports retrieval of properties  
through strongly-typed `Foo getFoo()` methods with optional `void  
setFoo(Foo foo);` methods.

-  * _Editor_: An object that supports editing zero or more properties of a
+  * _Bean-like object_: (henceforth bean) An object that supports  
retrieval of properties through strongly-typed `Foo getFoo()` methods with  
optional `void setFoo(Foo foo);` methods.
+  * _Editor_: An object that supports editing zero or more properties of a  
bean.
+* An Editor may be composed of an arbitrary number of sub-Editors that  
edit the properties of a bean.
+* Most Editors are Widgets, but the framework does not require this.   
It is possible to create headless Editors that perform solely  
programmatically-driven changes.
+  * _Driver_: The top-level controller used to attach a bean to an  
Editor.  The driver is responsible for descending into the Editor hierarchy  
to propagate data.  Examples include the `SimpleBeanEditorDriver` and the  
`RequestFactoryEditorDriver`.
+  * _Adapter_: One of a number of provided types that provide canned  
behaviors for the Editor framework.

+
+== General workflow ==
+
+  * Instantiate and initialize the Editors.
+* If the Editors are UI based, this is usually the time to call  
`UiBinder.createAndBindUi()`

+  * Instantiate and initialize the driver.
+* Drivers are created through a call to `GWT.create()` and the  
specific details of the initialization are driver-dependent, although  
passing in the editor instance is common.
+* Because the driver is stateful, driver instances must be paired with  
editor hierarchy instances.

+  * Start the editing process by passing the bean into the driver.
+  * Allow the user to interact with the UI.
+  * Call the `flush()` method on the driver to copy Editor state into the  
bean hierarchy.
+  * Optionally check `hasErrors()` and `getErrors()` to determine if there  
are client-side input validation problems.

+
+== Editor contract ==
+
+The basic `Editor` type is simply a parameterized marker interface that  
indicates that a type conforms to the editor contract or informal  
protocol.  The only expected behavior of an `Editor` is that it will  
provide access to its sub-Editors via one or more of the following  
mechanisms:
+  * An instance field with at least package visibility whose name exactly  
the property that will be edited or `propertyNameEditor`.  For example:

+{{{
+class MyEditor implements EditorFoo {
+  // Edits the Foo.getBar() property
+  BarEditor bar;
+  // Edits the Foo.getBaz() property
+  BazEditor bazEditor;
+}
+}}}
+  * A no-arg method with at least package visibility whose name exactly is  
the property that will be edited or `propertyNameEditor`.  This allows the  
use of interfaces for defining the Editor hierarchy. For example:

+{{{
+interface FooEditor extends EditorFoo {
+  // Edits the Foo.getBar() property
+  BarEditor bar();
+  // Edits the Foo.getBaz() property
+  BazEditor bazEditor();
+}
+}}}
+  * The `...@path` annotation may be used on the field or accessor method to  
specify a dotted property path or to bypass the implicit naming  
convention.  For example:

+{{{
+class PersonEditor implements EditorPerson {
+  // Corresponds to person.getManager().getName()
+  @Path(manager.name);
+  Label managerName;
+}
+}}}
+  * The `...@ignored` annotation may be used on a field or accessor method to  
make the Editor framework ignore something that otherwise appears to be a  
sub-Editor.
+  * Sub-Editors may be null. In this case, the Editor framework will  
ignore these sub-editors.

+
+== Editor subtypes ==
+
+In addition to the `Editor` interface, the Editor framework looks for  
these specific interfaces to provide basic building blocks for more  
complicated Editor behaviors.  This section will document these interfaces  
and provide examples of how the Editor framework will interact with the API  
at runtime.  All of these core Editor sub-interface can be mixed at will.

+
+  * `LeafValueEditor` is used for non-object, immutable, or any type that  
the Editor framework should not descend into.
+1 `setValue()` is called with the value that should be edited (e.g.  
`fooEditor.setValue(bean.getFoo());`).
+1 `getValue()` is called when the Driver is flushing the state of the  
Editors into the bean.  The value returned from this method will be  
assigned to the bean being edited (e.g.  
`bean.setFoo(fooEditor.getValue());`).

+  * `HasEditorDelegate` provides an Editor with its peer `EditorDelegate`.
+1 

[gwt-contrib] Re: Add Support for server side script selection in linker (issue941802)

[Unnur Gretarsdottir]

It's still waiting for review - thanks!

On Mon, Oct 11, 2010 at 8:26 AM,  j...@google.com wrote:
 On 2010/10/07 21:17:49, unnurg wrote:


 I thought I already saw this go through -- is this still awaiting
 review?

 http://gwt-code-reviews.appspot.com/941802/show


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[gwt-contrib] Re: Add Support for server side script selection in linker (issue941802)

[unnurg]

http://gwt-code-reviews.appspot.com/941802/show

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Re: [gwt-contrib] Add Support for server side script selection in linker (issue941802)

[Unnur Gretarsdottir]

Hi Arthur -
  Are you asking if there's an existing linker for the inlining of
your selection script? If so, no - the linker has no access to the
contents of your initital html page.  What you need to do is, rather
than serve a static html page, your server will have to dynamically
generate it, by reading the content of the nocache.js file and putting
it directly in the html which is served on the initial request.  In
theory, if you rarely release your code, you could do this manually -
basically, every time you do a gwt compile, manually copy the contents
of nocahce.js into the initial html page.

- Unnur


On Fri, Oct 8, 2010 at 12:41 PM, Arthur Kalmenson arthur.k...@gmail.com wrote:
 That's a great idea Unnur. Is there an existing linker for this or
 would I have to build it (it seems like something the linker would do,
 if I understood them correctly)?

 --
 Arthur Kalmenson



 On Fri, Oct 8, 2010 at 1:57 PM, Unnur Gretarsdottir unn...@google.com wrote:
 Hi Arthur -
  This is, and will probably remain for some time, experimental.  In
 order to use this, you'll need to extend the linker and change the
 variable - also, you'll need to write your own server code to parse
 the compilation mappings text file and decide which permutation you
 want to use.  Sorry not to have a better answer - we did want to make
 sure that this new linker is set up to support this sort of linking,
 but it is not currently a feature that we are officially releasing.
 FYI - if your primary concern is the double round trips, as opposed to
 the size of the permutation selection JS, then an easy solution for
 you is to simply inline the foo.nocache.js script into your page
 rather than requesting it using a script tag

 - Unnur

 On Mon, Oct 4, 2010 at 2:06 PM, Arthur Kalmenson arthur.k...@gmail.com 
 wrote:
 Wow, this is great! I'm guessing this means we can cut the startup
 round trips to one? Is this going into GWT 2.1?

 Exciting stuff.
 --
 Arthur Kalmenson



 On Fri, Oct 1, 2010 at 6:09 PM,  unn...@google.com wrote:
 Reviewers: jgw,

 Description:
 Add Support for server side script selection in linker


 Please review this at http://gwt-code-reviews.appspot.com/941802/show

 Affected files:
  A dev/core/src/com/google/gwt/core/ext/linker/impl/PermutationsUtil.java
  A
 dev/core/src/com/google/gwt/core/ext/linker/impl/PropertiesMappingArtifact.java
  A
 dev/core/src/com/google/gwt/core/ext/linker/impl/ResourceInjectionUtil.java
  M
 dev/core/src/com/google/gwt/core/ext/linker/impl/SelectionScriptLinker.java
  M dev/core/src/com/google/gwt/core/ext/linker/impl/computeScriptBase.js
  M 
 dev/core/src/com/google/gwt/core/ext/linker/impl/installLocationIframe.js
  A dev/core/src/com/google/gwt/core/ext/linker/impl/installScriptCommon.js
  A dev/core/src/com/google/gwt/core/ext/linker/impl/installScriptDirect.js
  A
 dev/core/src/com/google/gwt/core/ext/linker/impl/installScriptEarlyDownload.js
  M dev/core/src/com/google/gwt/core/ext/linker/impl/permutations.js
  M dev/core/src/com/google/gwt/core/ext/linker/impl/processMetas.js
  M dev/core/src/com/google/gwt/core/ext/linker/impl/waitForBodyLoaded.js
  M dev/core/src/com/google/gwt/core/linker/CrossSiteIframeLinker.java
  M dev/core/src/com/google/gwt/core/linker/CrossSiteIframeTemplate.js
  M dev/core/src/com/google/gwt/core/linker/SingleScriptLinker.java


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[gwt-contrib] Re: Working around a bug in the xerces SAX parser used by SafeHtml templates. When using Java 1.5, t... (issue978801)

[rchandia]

LGTM

http://gwt-code-reviews.appspot.com/978801/show

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[gwt-contrib] Re: Working around a bug in the xerces SAX parser used by SafeHtml templates. When using Java 1.5, t... (issue978801)

[rchandia]

LGTM

http://gwt-code-reviews.appspot.com/978801/show

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