date:20100611

Hi,

your example does not work for me.

g:VerticalPanel horizontalAlignment=ALIGN_MIDDLE

This means AFAIK that the content of the VerticalPanel are aligned
within the VerticalPanel, but not the VerticalPanel itself.
Also it does not align vertically...

Magnus

On 11 Jun., 09:40, Tristan Slominski tristan.slomin...@gmail.com
wrote:
I don't understand how UiBinder cannot be used to do what you describe. You
may have to create multiple views (for example fileMenuView) that you
attach when the user clicks on File in the menu. But that fileMenuView
could be fully described in UiBinder. how it is attached probably won't be
done in UiBinder but it's just one dynamic part of it... I haven't looked
into the menu widget too much, but that itself can probably do some of that
declaratively

centering a form is as easy as centering some panels

g:VerticalPanel horizontalAlignment=ALIGN_MIDDLE
g:VerticalPanel ui:field='myFrom'
...
etc..

I use UiBinder and I have centered forms, popups, menus, etc

it's possible.. but remember it's a tool.. you may not be able to declare
where the menu should be attached, but you can declare the menu itself in
the uibinder. use what works best for each purpose.

On Tue, Jun 8, 2010 at 12:13, Magnus alpineblas...@googlemail.com wrote:
I would like a menubar, and whenever a menu item is selected, I would
like to show a panel.

The screen should have a north, west, east and south section, and in
the center the current panel should be shown.

For example, if the user selects create account, a form should be
shown to enter the data for a new account.

And I would like the form to be centered within the middle space...

Magnus

On Jun 8, 5:48 pm, Tristan Slominski tristan.slomin...@gmail.com
wrote:
What do you mean by dynamically generated? Are you setting styles and
widths programmatically? What's the use case?

On Tue, Jun 8, 2010 at 10:45, Magnus alpineblas...@googlemail.com
wrote:
Hi fmod,

Magnus

.
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Re: GWT Localistion for Large Enterprise apps

2010-06-11 Thread Nathan Wells

Actually, if it's a concern about bandwidth, it's even more of a moot
point than Stefan indicated, since (1) you were going to be putting
those labels in regardless of internationalization, and (2) GWT
already extracts String constants into a tightly packed bunch of
global variables with minified names.

Theoretically, the size of your application should not be affected by
internationalization.

On Jun 10, 6:31 am, Stefan Bachert stefanbach...@yahoo.de wrote:
 Hi Brian,

 let us calculate

 1000 Labels, average 10 characters in size.
 makes 10KByte

 How fast do you expect your network?
 10KB/s - 10 Sec (Modem)
 100KB/s - 1 Sec (ISDN)
 1MB/s - 0.1 Sec (DSL)
 10MB/s - 0.01 Sec (ADSL)
 100MB/s - 0.001 Sec (intranet)

 How often this addition time applies?
 Exactly the first time you download the app. After that, it is in the
 cache.
 OK, each release requires a further download

 When your figures are in that range, is it really worth to care about
 it?

 Do what is good for modularisation but do not care about download
 performance.

 Stefan Bacherthttp://gwtworld.de

 On Jun 10, 1:29 pm, Brian bboyl...@gmail.com wrote:



  Hi,

  I am developing a massive enterprise application from scratch using
  GWT.
  I want to use GWT's implementation of localisation but I have some
  concerns with performance.
  I will have thousands of labels across all my screens that will
  require conversion to the appropriate language. Do I have to put all
  these label tags into one .properties file? If so, I fear this will
  add alot of time to the application startup.
  Another approach I was thinking of taking was having multiple
  properties files per module and implementing code splitting for each
  module. Will code splitting work with loading locale properties files?

  It would be great to hear of other people's experience developing
  large enterprise apps with regards to localisation.

  Thanks

  Brian

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Re: Does @DefaultMessage and @PluralText really work?

2010-06-11 Thread PEZ

I'm back with more clues. =)

I wanted to add some locales to my module. Figured I could get a
boiler plate for the properties file if I used the @Generate
annotation. I noticed that it created both an _en.properties file
and a _default.properties. What's more; the _en file completely
lacked the plural form info! The _default file had them though.

I then moved the _defaults file to the same directory as my
TimeMessages.java file and renamed it
TimeMessages_default.properties.

With this in place I can remove extend-property name=locale
values=en/ from my module's .gwt.xml file and, more important, the
locale=en from the URL when running my app. I still need the
@DefaultLocale(en) annotation though, even though the documentation
clearly states that this is not necessary.

In conclusion, if you run in to this problem, try
- generating properties files using @Generate
- place YourMessages_default.properties side by side with
YourMessages.java
- prepend the YourMessages interface with a @DefaultLocale(en)
annotation.

About that @Generate. This is what worked for me. Just before my
extension of the Message interface:

@Generate(format =
{com.google.gwt.i18n.rebind.format.PropertiesFormat})

The GWT log said it created my properties file, but I couldn't find
it. I fixed that by adding the compiler flag -extra extras and then
found the properties files generated in the extras directory.
Including this info here since I spent more than an hour figuring it
out.

Seriously, this part of the GWT docs is not up to the standards of
what's common with GWT. Is there anyway I can help with fixing that?

Regards,
/PEZ

On Jun 11, 11:05 am, PEZ p...@pezius.com wrote:
 Finally got some traction thanks to the clues I got from Federico
 Kerek, author of Essential GWT -http://my.safaribooksonline.com/9780321705631

 It seems like it is something I don't understand with the default
 locale mechanism. I haven't figured it out, but it seems that to get
 plural handling to work I need:

 - In my module's gwt.xml file:
   extend-property name=locale values=en/
 - In my Messages extentsion:
 @DefaultLocale(en)
 public interface MyMessages extends Messages ...
 - Explicitly load the en locale by appending to the URL
 locale=en

 Does this provide enough clues for anyone to see where I might be
 doing this wrong?

 Regards,
 /PEZ

 On Jun 10, 2:54 pm, PEZ p...@pezius.com wrote:



  I'm using GWT 2.0.3. I have now also tried using a .properties file
  instead. Like so:

  hours[one]=an hour
  hours={0} {1,number} hours {2}

  With the same, boring, results.

  /PEZ

  On Jun 9, 10:38 pm, PEZ p...@pezius.com wrote:

   I'm making (porting really) a relative time module for human
   readable date-and-time messages to GWT. The first (alpha-ish) version
   is up on Github:http://github.com/PEZ/GWT-Relative-Time

   Anyone who tries it will notice that it reports all times as plurals.
   When it should say an hour ago, it says 1 hours ago. My messages
   interface looks like so:

   public interface TimeMessages extends Messages {
   ...
       @DefaultMessage({0} {1,number} hours {2})
       @PluralText({one, an hour})
       String hours(String prefix, @PluralCount int count, String
   suffix);
   ...

   }

   From what I can understand of the documentation, that is how you
   should be able to deal with singular and plural forms, right? Well, it
   doesn't work. Anyone who knows how this works? Or, if it's a bug in
   GWT, can I work myself around it?

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Re: Does @DefaultMessage and @PluralText really work?



On 11 juin, 11:05, PEZ p...@pezius.com wrote:
 Finally got some traction thanks to the clues I got from Federico
 Kerek, author of Essential GWT -http://my.safaribooksonline.com/9780321705631

 It seems like it is something I don't understand with the default
 locale mechanism. I haven't figured it out, but it seems that to get
 plural handling to work I need:

 - In my module's gwt.xml file:
   extend-property name=locale values=en/
 - In my Messages extentsion:
 @DefaultLocale(en)
 public interface MyMessages extends Messages ...
 - Explicitly load the en locale by appending to the URL
 locale=en

 Does this provide enough clues for anyone to see where I might be
 doing this wrong?

Have you tried adding set-property-fallback name=locale value=en /
? it should make the default locale (i.e. when no locale is
explicitly loaded) map to the en locale, so you don't need the
locale=en thing (or meta name='gwt:property' content='locale=en')
You'd still have to extend-property and @DefaultLocale though.

AFAICT, @DefaultLocale tells GWT what locale the @DefaultMessage (or
similar annotations for Constants) are written into. If you don't use
it, it'll consider your Messages interface to be in the default
locale, which has no associated plural rule (the DefaultRule for the
default locale only has an other rule).

If it works the way I think it does, then you don't need the
YourMessages_default.properties file.

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Re: opening popup menu hides all remaining page content



On 11 juin, 07:07, Magnus alpineblas...@googlemail.com wrote:
 Hello,

 I found a strange problem under IE 7:

 When I click on a menu item that opens a popup submenu, the whole page
 content (all widgets including the menubar itself) is hidden and only
 the popup menu is visible.

See http://code.google.com/p/google-web-toolkit/issues/detail?id=4532
Fixed in 2.1M1 if you want to try it out.

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Re: retrieving the size of a panel/widget before it is added



On 11 juin, 07:53, Magnus alpineblas...@googlemail.com wrote:
 Hi,

 when I add a VerticalPanel to the center of a DockLayoutPanel, it will
 immediately be stretched to the remaining size of its parent. But I
 would like it to keep its natural size, i. e. the size it needs for
 its children (and then center it within its parent).

 So I tried to get its size, before it is added:

 VerticalPanel vp = new VerticalPanel;
 //vp.add ...
 int xs = p.getOffsetWidth();
 int ys = p.getOffsetHeight();
 add(vp);

 But this size is 0.

 So one of the following is needed:
 - get the size of the panel before it's added
 - prevent it from beeing stretched and then retrieve the size

 Are there methods to do this?

How about inserting an intermediate panel in between the
DockLayoutPanel and the VerticalPanel? such as a SimplePanel,
AbsolutePanel or FlowPanel.

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UIbinder reference?

Hi,

I cannot find a reference documentation for the UIBinder XML syntax. I
googled all day long, but all that I find are examples, even on
code.google.com.

E. g. I need the allowed tags and attributes for a Grid structure...

Where is the documentation?

Thank you
Magnus

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Re: retrieving the size of a panel/widget before it is added

Hi,

what makes the difference?

Magnus

On 11 Jun., 15:12, Thomas Broyer t.bro...@gmail.com wrote:
 On 11 juin, 07:53, Magnus alpineblas...@googlemail.com wrote:



  Hi,

  when I add a VerticalPanel to the center of a DockLayoutPanel, it will
  immediately be stretched to the remaining size of its parent. But I
  would like it to keep its natural size, i. e. the size it needs for
  its children (and then center it within its parent).

  So I tried to get its size, before it is added:

  VerticalPanel vp = new VerticalPanel;
  //vp.add ...
  int xs = p.getOffsetWidth();
  int ys = p.getOffsetHeight();
  add(vp);

  But this size is 0.

  So one of the following is needed:
  - get the size of the panel before it's added
  - prevent it from beeing stretched and then retrieve the size

  Are there methods to do this?

 How about inserting an intermediate panel in between the
 DockLayoutPanel and the VerticalPanel? such as a SimplePanel,
 AbsolutePanel or FlowPanel.

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Re: GWT and Spring - with Spring Web MVC or without it?

2010-06-11 Thread Richard Allen

There is also the GWT Server Library from the GWT Widget Library
project: http://gwt-widget.sourceforge.net/

You should also check out the support for GWT that is now built into
Spring Roo. If you already use (or want to use) the technologies that
Spring Roo builds in, like JPA, then Roo will get you running fast
with a solid architecture that uses best practices:
http://www.springsource.org/roo
http://blog.springsource.com/2010/05/19/spring-roo-1-1-0-m1-released/
http://blog.springsource.com/2010/06/02/using-springsource-tool-suite-2-3-3-m1-with-roo-and-gwt/

I don't think there is one right answer to your question. How you use
Spring with GWT depends on your project and your team's preferences.
However, it is quite useful using Spring MVC (or some other Java web
framework) with GWT because GWT doesn't provide much server-side
facilities. In a large project, you are likely to need some static web
pages that do not use GWT, and Spring MVC makes that easy (among many
other things). Additionally, we have used Spring MVC controllers for
file upload and download, and to serve up resources from the
classpath.

I also believe it is very useful to avoid having your actual service
implementation extend from GWT's RemoteServiceServlet. Spring MVC
allows your controllers to be implemented as POJOs, and most Spring-
GWT integration libraries strive to allow you to use GWT RPC while
still implementing your services as POJOs. Some benefits to this
approach are the ease of unit testing POJOs and no dependence on GWT
libraries in your services.

Hope that helps,
-Richard

On Jun 8, 11:32 am, ezamur eza...@gmail.com wrote:
Hi all...

I am new to GWT - had some contact with it earlier but not enough to
say I am confident with it.

My task is to investigate this technology and pair it with Spring
framework. There are a lot of tutorials explaining how this can be
done, but what is bothering me is I can't decide which approach to
choose. For example, I've seen one using Spring's MVC (like this
one:http://technophiliac.wordpress.com/2008/08/24/giving-gwt-a-spring-in-...),
but also other where integration is done without it
(e.g.http://code.google.com/p/gwt-spring-starter-app/)

I am afraid to miss something important by choosing one of these
approaches and possibly lose some of Web MVC functionalities that
might be needed later or end up in dead end street using it.

I would be grateful if anyone explained me what are the pros and cons
of these approaches from practical point of view - is there a need for
DispatcherServlet and Controllers while having GWT and its RPC
mechanism.

Thanks in advance.

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Re: Page Navigation

2010-06-11 Thread Richard Allen

Sounds like when your entry point loads (that happens on refresh) it
needs to check if the user is logged in (check a cookie or make an
AJAX request to the server) and then display the appropriate widgets
(view).

However, I suggest that you make the login page a separate page from
the page that loads your GWT application. When the user tries to
access your GWT application and is not logged in, redirect the browser
to the login page. After the user successfully authenticates, redirect
the browser to your GWT application. This approach avoids the problem
you are having, and it prevents the user from being able to download
your GWT application (JavaScript code) when they don't have access.

-Richard


On Jun 10, 1:31 am, CIAO pratik.sachd...@gmail.com wrote:
 Hi I am a newbie to GWT and am working on an application Dev that has
 a login page and when the user successfully identifies itself it goes
 to a data page (loads the new data widgets after removing the login
 widgets) that shows it all the data s/he requires
 the problem i am facing is
 whenever i press the refresh button (or F5) it goes back to the login
 widgets..
 i need to arrest this behavior and user should *NOT* be sent back once
 user has logged in...

 thanks in advance
 CIAO

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Re: Page Navigation



On 11 juin, 15:55, Richard Allen richard.l.al...@gmail.com wrote:
 Sounds like when your entry point loads (that happens on refresh) it
 needs to check if the user is logged in (check a cookie or make an
 AJAX request to the server) and then display the appropriate widgets
 (view).

 However, I suggest that you make the login page a separate page from
 the page that loads your GWT application. When the user tries to
 access your GWT application and is not logged in, redirect the browser
 to the login page. After the user successfully authenticates, redirect
 the browser to your GWT application. This approach avoids the problem
 you are having, and it prevents the user from being able to download
 your GWT application (JavaScript code) when they don't have access.

Not having done that 2 years ago and living with it since then, I'd
now give the same advice. Note however that it means a different user
experience when the session is lost somehow (the user has to be
directed to the login page to re-authenticate, and thus loses
everything he hadn't saved; whereas when everything is on the same
page, you can just hide the screens behind the login dialog, but it
then is a security issue because the data is just hidden, and any
developer tool could reveal it without the for authenticating).


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Re: retrieving the size of a panel/widget before it is added



On 11 juin, 15:37, Magnus alpineblas...@googlemail.com wrote:
 Hi,

 what makes the difference?

The intermediate panel would be sized when added to the
DockLayoutPanel, not the VerticalPanel that you then put inside, that
would be *eventually* resized following the constraints/layout of the
intermediate panel (not the DockLayoutPanel). And the panels I listed
don't resize their child widgets.

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Re: UIbinder reference?



On 11 juin, 15:26, Magnus alpineblas...@googlemail.com wrote:
 Hi,

 I cannot find a reference documentation for the UIBinder XML syntax. I
 googled all day long, but all that I find are examples, even on
 code.google.com.

 E. g. I need the allowed tags and attributes for a Grid structure...

 Where is the documentation?

1. UiBinder by default maps element names to widgets and attribute
names to setters (attribute values being converted depending on the
setter's argument(s))
2. HasHTML widgets can contain HTML markup, HasText widgets can only
contain text, and HasWidgets widgets can only contain other widgets
(whitespace is ignored)
3. Some widgets (I don't know any in GWT itself) have a @UiConstructor
annotation so that some attributes are mapped to the annotated
constructor's arguments instead of setter methods
4. some widgets have a custom parser, in this case the custom child-
elements and attributes are described in the JavaDoc for the widget

A Grid widget has neither a @UiConstructor nor a custom parser, so the
default no-arg cosntructor will be used and you can set some
properties via attributes, but that's all. Everything else will have
to be done in Java.
(there's little to no use-case for a Grid or FlexTable in UiBinder
that would be populated from within the ui.xml; in most cases you
can either use an HTML table, or you'll use some kind of data
binding in your Java code anyway)

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Re: Guice and RpcServlet

2010-06-11 Thread hbf

Googling for DeRPC (and not Direct-Eval RPC) got me what I needed.
Here it is, for the sake of completeness:

  
http://groups.google.com/group/google-guice/browse_thread/thread/d958f5a82d45706a/bc6bca85513d9cb3

On May 27, 2:35 pm, hbf kaspar.fisc...@dreizak.com wrote:
 Hi,

 I would like to use the new and experimental [1] Direct-Eval RPC of
 GWT 2 with server-side Guice. However, I could only find information
 on configuring Guice and GWT for the old RPC, see [2]. To inject the
 service, the latter blog suggests:

 @Singleton
 public class GuiceRemoteServiceServlet extends RemoteServiceServlet {
   @Inject
   private Injector injector;

   @Override
   public String processCall(String payload) throws
 SerializationException {
     try {
       RPCRequest req = RPC.decodeRequest(payload, null, this);

       RemoteService service = getServiceInstance(
             req.getMethod().getDeclaringClass());

       return RPC.invokeAndEncodeResponse(service, req.getMethod(),
         req.getParameters(), req.getSerializationPolicy());
     } catch (IncompatibleRemoteServiceException ex) {
       log(IncompatibleRemoteServiceException in the
 processCall(String) method.,
           ex);
       return RPC.encodeResponseForFailure(null, ex);
     }
   }

   @SuppressWarnings({unchecked})
   private RemoteService getServiceInstance(Class serviceClass) {
     return (RemoteService) injector.getInstance(serviceClass);
   }

 }

 What is the recommended way to do this with the new RpcServlet instead
 of RemoteServiceServlet?

 Many thanks,Kaspar

 [1]http://code.google.com/webtoolkit/doc/latest/DevGuideServerCommunicat...
 [2]http://stuffthathappens.com/blog/2009/09/14/guice-with-gwt/

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Re: No new web application project button

2010-06-11 Thread t3c

Had the same problem with Windows 7. Running eclipse as administrator
and then installing the plugin worked for me.

On May 29, 7:46 pm, Andrew anyel...@gmail.com wrote:
 The plugin and the SDKs are installed and Google does not show up in
 Window-Preferences. I have tried uninstalling and reinstalling the
 plugin and SDKs and I still have the same problem.

 On May 29, 8:46 am, Stefan Bachert stefanbach...@yahoo.de wrote:



  Hi,

  When there are no GWT buttons visible, the google eclipse plugin is
  probably not installed.
  Could you find Window-Preferences-Google ? NO- something went wrong
  with installing.
  Yes? Do you have a SDK installed?

  Stefan Bacherthttp://gwtworld.de

  On 28 Mai, 23:34,Andrewanyel...@gmail.com wrote:

   Neither of these buttons show up.

   On May 28, 10:04 am, Stefan Bachert stefanbach...@yahoo.de wrote: 
   HiAndrew,

GWT has its own buttons. It it the blue g icon in the tool bar (New
Web Application Project), or in the menu

Stefan Bacherthttp://gwtworld.de

On 27 Mai, 04:09,Andrewanyel...@gmail.com wrote:

 I just recently installed Eclipse 3.5 on Windows 7. I followed the
 instructions on installing GWT plugin and SDK and it seems to have
 worked fine, however I do not have the option to create a new web
 application project or anything associated with GWT. What could I have
 done wrong to cause this and what can I do to fix it?

 Thanks,

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Final fields and DeRPC

2010-06-11 Thread hbf

Hi,

Does the new RPC mechanism, DeRPC, see

  
http://code.google.com/webtoolkit/doc/latest/DevGuideServerCommunication.html#DevGuideDeRPC

offer serialization of non-static final fields?

We have so many immutable classes that use final fields. It would be
nice if there were an option to control serialization of final fields.

Best,
Kaspar

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Efficient GWT Client-Server Communication methodology

2010-06-11 Thread Anne

Hello,

In my project, I need efficient transfer of bulk data from the server
to the client. The data will be containing thousands of rows of a
database. And I require to populate them very quickly. The project
will be implemented in areas with very slow internet connection.

I read about the Clinet-Server communication in GWT. What is the most
efficient way to use?
Either GWT-RPC or GWT-XML/JSON?

If somebody have already done some projects with this requirement,
could you please share your experience/suggestions so that I can
follow the best methodology to get better performance.


Thanks in advance.

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GWT 2.X No resource found for key

2010-06-11 Thread Francesco

I've developed a GWT app using i18n internationalization. In Host/Dev
mode it works fine, but launching GWT compile gives this error: No
resource found for key xxx, like below.

Compiling module ...rte.RTE
   Scanning for additional dependencies: file:/home/.../client/i18n/
RTEValidationMessages.java
  Computing all possible rebind results for
'...client.i18n.RTEMessages'
 Rebinding ...client.i18n.RTEMessages
Invoking
com.google.gwt.dev.javac.standardgeneratorcont...@e7dfd0
   Processing interface ...client.i18n.RTEMessages
  Generating method body for txtIndirizzo3()
 [ERROR] No resource found for key 'txtIndirizzo3'

Messages are loaded with late binding.

public class RTEValidationMessages {
private RTEMessages additionalMessages;

public RTEValidationMessages() {
additionalMessages = GWT.create(RTEMessages.class);
}
}

Deleting the method which gives the error, results in another random
method with error, say not the method before or after in the
interface ...client.i18n.RTEMessages.

Help is greatly appreciated.

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Re: How to suppress Deprecation warnings

2010-06-11 Thread Nico

 Can you please help me how i can suppress these warnings?
If you look at the javadoc for
com.google.gwt.widgetideas.table.client.overrides.HTMLTable for
example, it will tell you to use
com.google.gwt.gen2.table.override.client.HTMLTable instead.
Replace your inherits in your gwt.xml file(s).

 Also is there a way to suppress the messages Compiling 6
 permutations ...
Assuming you're using ant, there is an log level option to the task:
level=all|spam|trace|info|warn|error - Changes the compiler log
level
See http://code.google.com/p/ant-gwt/

Regards,
Nico

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GWT HTTP GET function

2010-06-11 Thread Andy

public void doGet(String myurl) {

myurl = URL.encode(myurl);

RequestBuilder builder = new
RequestBuilder(RequestBuilder.GET, myurl );

try {
  Request request = builder.sendRequest(null, new
RequestCallback() {
public void onError(Request request, Throwable exception)
{
Window.alert(ERROR. Could not connect to server.);
}

public void onResponseReceived(Request request, Response
response) {
  if (200 == response.getStatusCode()) {
 String ServerResponse = response.getText();

  } else {
  Window.alert(ERROR. Errorcode:  +
response.getStatusCode());
  }
}
  });

How can i make this function return SereverResponce variable?

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Hot Start up looking for GWT Expert to contribute virtually!

2010-06-11 Thread Amelia Recruiter

Hi,
My name is Amelia and I am one of the founders of TipMarks. TipMarks
could be a great and interesting opportunity for you or someone you
may know. We have a number of roles open now, but specifically we are
looking for a GWT expert to contribute virtually. I would love to talk
to you about this.

TipMarks is an early-stage venture led by successful serial
entrepreneurs and technologists from Music City Networks, Microsoft,
SAP, Stanford and MIT. We’re working on a web app (and behind it,
campaign and commerce software) designed to monetize social networks,
by prompting product recommendations between friends. We’re looking
for world-class talent able to invest time for equity as we launch the
business (minimum 15 hour/week commitment). We expect to be generating
revenue and salaries in Q3 of this year.

To find out a little more go to http://www.tipmarks.com.

Hope to get to tell you more soon. I promise it will be worth a 10
minute phone call.

Amelia Merrill

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gwt2.0 memory leak

2010-06-11 Thread tarik

I am using GWT2.0, I would like to know how to decrease memory
consumption for GWT? I am using Internet explorer 6. Please give me an
answer as soon as possible? Thank you.

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Re: Guice and RpcServlet

2010-06-11 Thread hbf

Any ideas?

Best,
Kaspar

On May 27, 2:35 pm, hbf kaspar.fisc...@dreizak.com wrote:
 Hi,

 I would like to use the new and experimental [1] Direct-Eval RPC of
 GWT 2 with server-side Guice. However, I could only find information
 on configuring Guice and GWT for the old RPC, see [2]. To inject the
 service, the latter blog suggests:

 @Singleton
 public class GuiceRemoteServiceServlet extends RemoteServiceServlet {
   @Inject
   private Injector injector;

   @Override
   public String processCall(String payload) throws
 SerializationException {
     try {
       RPCRequest req = RPC.decodeRequest(payload, null, this);

       RemoteService service = getServiceInstance(
             req.getMethod().getDeclaringClass());

       return RPC.invokeAndEncodeResponse(service, req.getMethod(),
         req.getParameters(), req.getSerializationPolicy());
     } catch (IncompatibleRemoteServiceException ex) {
       log(IncompatibleRemoteServiceException in the
 processCall(String) method.,
           ex);
       return RPC.encodeResponseForFailure(null, ex);
     }
   }

   @SuppressWarnings({unchecked})
   private RemoteService getServiceInstance(Class serviceClass) {
     return (RemoteService) injector.getInstance(serviceClass);
   }

 }

 What is the recommended way to do this with the new RpcServlet instead
 of RemoteServiceServlet?

 Many thanks,Kaspar

 [1]http://code.google.com/webtoolkit/doc/latest/DevGuideServerCommunicat...
 [2]http://stuffthathappens.com/blog/2009/09/14/guice-with-gwt/

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GWT very slow on IE

2010-06-11 Thread vinod

Hi

My GWT application takes 10 seconds on IE with GWT .
without GWT it used to take less than second.
10 times slower with GWT.

We are using GWT for first time in our application.
And the app is very slow on IE.
Business is very unhappy with performance.

Can you please help me to bring this performance down to 1 sec.



Thanks  Regards
Vinod

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Re: No new web application project button

2010-06-11 Thread t3c

Had the same problem here. Works fine under Linux or WinXP but no luck
with Windows 7. Eclipse showed Google Plugin as installed in About
Eclipse - Installation Details.

Try running eclipse as administrator and then installing google
plugin. That did the job for me.

On May 29, 7:46 pm, Andrew anyel...@gmail.com wrote:
 The plugin and the SDKs are installed and Google does not show up in
 Window-Preferences. I have tried uninstalling and reinstalling the
 plugin and SDKs and I still have the same problem.

 On May 29, 8:46 am, Stefan Bachert stefanbach...@yahoo.de wrote:



  Hi,

  When there are no GWT buttons visible, the google eclipse plugin is
  probably not installed.
  Could you find Window-Preferences-Google ? NO- something went wrong
  with installing.
  Yes? Do you have a SDK installed?

  Stefan Bacherthttp://gwtworld.de

  On 28 Mai, 23:34,Andrewanyel...@gmail.com wrote:

   Neither of these buttons show up.

   On May 28, 10:04 am, Stefan Bachert stefanbach...@yahoo.de wrote: 
   HiAndrew,

GWT has its own buttons. It it the blue g icon in the tool bar (New
Web Application Project), or in the menu

Stefan Bacherthttp://gwtworld.de

On 27 Mai, 04:09,Andrewanyel...@gmail.com wrote:

 I just recently installed Eclipse 3.5 on Windows 7. I followed the
 instructions on installing GWT plugin and SDK and it seems to have
 worked fine, however I do not have the option to create a new web
 application project or anything associated with GWT. What could I have
 done wrong to cause this and what can I do to fix it?

 Thanks,

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Javascript exception while parsing the XML to JSON

2010-06-11 Thread Sudheer

Hi,

I am getting a strange javascript exception while parsing the XML
string and converting to JSON string. Can I know the reasons for the
exception? Catch is same input is working in another environment. Is
it something related to environment?

input XML is
--
Content-Type: application/xaml+xml
Headers: {Date=[Thu, 10 Jun 2010 13:35:33 GMT]}
Payload: ?xml version=1.0 encoding=UTF-8 standalone=yes?
UIServiceResponsepageConfigfilterExpressionmatchesAllfalse/
matchesAlloperationsleftOperandTARGET-NAME/
leftOperandoperationType2/operationTypeoperatorFILTER-WILDCARD-
EQ/operatorrightOperand*/rightOperand/operations/
filterExpressionlimit0/limitoffSet0/offSetsortAescfalse/
sortAescsortFieldTARGET-NAME/sortFieldtotalRecords0/
totalRecords/pageConfigresult xmlns:xsi=http://www.w3.org/2001/
XMLSchema-instance xmlns:xs=http://www.w3.org/2001/XMLSchema;
xsi:type=xs:stringwinpe2.2/result/UIServiceResponse

UIServiceResponse, PageConfig and Result(List) are the objects on the
XML

exception is
-
Error: Data Error: Unable to parse the message received from the
server: com.google.gwt.core.client.JavaScriptException: (TypeError):
'b' is null or not an object number: -2146823281 description: 'b' is
null or not an object

piece of code where exception is thrown is with in method
onResponseReceived of extended class. We have extended RequestCallback
class.
--
JSONValue jsonValue = JSONParser.parse(response.getText());

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Re: layout problems with positioning or aligning content

2010-06-11 Thread Tristan Slominski

it was just a rough example.. not the exact code

here's a production code that centers content in the center of the page
vertically and horizontally

g:VerticalPanel width=100% height=100%
g:Cell horizontalAlignment=ALIGN_CENTER
verticalAlignment=ALIGN_MIDDLE
g:HorizontalPanel
g:Cell verticalAlignment=ALIGN_MIDDLE
content that's centered here

On Fri, Jun 11, 2010 at 06:58, Magnus alpineblas...@googlemail.com wrote:

Hi,

your example does not work for me.

g:VerticalPanel horizontalAlignment=ALIGN_MIDDLE

This means AFAIK that the content of the VerticalPanel are aligned
within the VerticalPanel, but not the VerticalPanel itself.
Also it does not align vertically...

Magnus

On 11 Jun., 09:40, Tristan Slominski tristan.slomin...@gmail.com
wrote:
I don't understand how UiBinder cannot be used to do what you describe.
You
may have to create multiple views (for example fileMenuView) that you
attach when the user clicks on File in the menu. But that
fileMenuView
could be fully described in UiBinder. how it is attached probably won't
be
done in UiBinder but it's just one dynamic part of it... I haven't
looked
into the menu widget too much, but that itself can probably do some of
that
declaratively

centering a form is as easy as centering some panels

g:VerticalPanel horizontalAlignment=ALIGN_MIDDLE
g:VerticalPanel ui:field='myFrom'
...
etc..

I use UiBinder and I have centered forms, popups, menus, etc

it's possible.. but remember it's a tool.. you may not be able to declare
where the menu should be attached, but you can declare the menu itself in
the uibinder. use what works best for each purpose.

On Tue, Jun 8, 2010 at 12:13, Magnus alpineblas...@googlemail.com
wrote:
I would like a menubar, and whenever a menu item is selected, I would
like to show a panel.

The screen should have a north, west, east and south section, and in
the center the current panel should be shown.

For example, if the user selects create account, a form should be
shown to enter the data for a new account.

And I would like the form to be centered within the middle space...

Magnus

On Jun 8, 5:48 pm, Tristan Slominski tristan.slomin...@gmail.com
wrote:
What do you mean by dynamically generated? Are you setting styles
and
widths programmatically? What's the use case?

On Tue, Jun 8, 2010 at 10:45, Magnus alpineblas...@googlemail.com
wrote:
Hi fmod,

I am thinking about your advice using UIbinder, but I think I
cannot
use it, because my layout is dynamically generated. I think that
the
declarative way using UIbinder is for fixed panels like forms,
isn't
it?

Magnus

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using gwt for games - svg, canvas or something else?

2010-06-11 Thread Aljosa Mohorovic

i've found several gwt extensions that have svg or canvas support but
i have no idea what to use.
i'm trying to create simple games (stuff usually produced in flash) so
i was wondering if anybody else tried something like that?
what would you recommend?

Aljosa Mohorovic

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YouTube API for GWT

2010-06-11 Thread Peter Simun

Did you ever want to use YouTubeAPI in your GWT application and you
did not found any acceptable solution?
Have a look on gwt-youtube-api project (http://code.google.com/p/gwt-
youtube-api/) or try sample YouTube application
http://code.google.com/p/gwt-youtube-api/wiki/SampleApplication.

Project is not an JSNI wrapper over existing JS client, but it is pure
GWT solution with parsing JSON responces sent from YouTube API.

It's not mature project and I'm pretty sure that there are some bugs
in the code, but YouTube demo works well (try to search something -
just CHANGE the default value in the search box - or click on video on
the home page). The responces from YouTube are pretty fast.

Any contribution is very appreciated, just write an email with
requests.

Enjoy, Peter

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java.lang.IllegalArgumentException: Only one CENTER widget may be added

2010-06-11 Thread Kelo

Clicking on my ant's script

target name=devmode depends=javac description=Run development
mode
java failonerror=true fork=true
classname=com.google.gwt.dev.DevMode
  classpath
pathelement location=src/
pathelement location=/Galileo/workspace/Mark5/src/
path refid=project.class.path/
  /classpath
  jvmarg value=-Xmx256M/
  jvmarg value=-Xss16M/
  arg value=-noserver/
  arg value=-port/
  arg value=8080/
  arg value=-startupUrl/
  arg value=VCarCli/VCarCli.html/
  arg value=-logLevel/
  arg value=DEBUG/
  !-- Additional arguments like -style PRETTY or -logLevel DEBUG
--
  arg value=-war/
  arg value=D:/Galileo/workspace/VCarCli/war/
  arg value=com.gasban.VCarCli/
/java
/target

When I launch DevMode so on my GWT DevMode Box, app tab shows this
errors:

00:00:50,872 [ERROR] Unable to load module entry point class
com.gasban.client.VCarCli (see associated exception for details)
java.lang.IllegalArgumentException: Only one CENTER widget may be
added
at com.google.gwt.user.client.ui.DockPanel.add(DockPanel.java:166)
at com.gasban.client.AbstractApp.mostrar(AbstractApp.java:87)
at com.gasban.client.VCarCli.changeHistory(VCarCli.java:36)
at com.gasban.client.VCarCli.changeHistory(VCarCli.java:33)
at com.gasban.client.AbstractApp.onValueChange(AbstractApp.java:53)
at
com.google.gwt.event.logical.shared.ValueChangeEvent.dispatch(ValueChangeEvent.java:
128)
at
com.google.gwt.event.logical.shared.ValueChangeEvent.dispatch(ValueChangeEvent.java:
1)
at com.google.gwt.event.shared.HandlerManager
$HandlerRegistry.fireEvent(HandlerManager.java:65)
at com.google.gwt.event.shared.HandlerManager$HandlerRegistry.access
$1(HandlerManager.java:53)
at
com.google.gwt.event.shared.HandlerManager.fireEvent(HandlerManager.java:
178)
at
com.google.gwt.user.client.impl.HistoryImpl.fireEvent(HistoryImpl.java:
74)
at
com.google.gwt.event.logical.shared.ValueChangeEvent.fire(ValueChangeEvent.java:
43)
at
com.google.gwt.user.client.impl.HistoryImpl.fireHistoryChangedImpl(HistoryImpl.java:
81)
at
com.google.gwt.user.client.History.fireCurrentHistoryState(History.java:
121)
at com.gasban.client.VCarCli.cargarPanelesSistema(VCarCli.java:77)
at com.gasban.client.VCarCli.onModuleLoad(VCarCli.java:44)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:369)
at
com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:
185)
at
com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:
380)
at
com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:
222)
at java.lang.Thread.run(Thread.java:619)

SWF:

Galileo 3.5.2
GWT 2.0.3
jdk1.6.0_17
jboss-4.0.5

sources:

public class VCarCli extends AbstractApp {
private static VCarCli instance;

public VCarCli() {
instance = this;
}

public static VCarCli getInstance() {
if (instance != null) return instance;
return new VCarCli();
}

@Override
public void changeHistory(String token, boolean afectaHistoria) {
PanelEspecialInfo info = list.encontrar(token);
if (info == null) {
  this.changeHistory(Clientes,false);
  return;
}
mostrar(info, afectaHistoria);
}

/**
 * This is the entry point method.
 */
public void onModuleLoad() {
seeds.put(Clientes, (Seed)(new DRSSeed(clientservice)));
cargarPanelesSistema();
}

private void cargarPanelesSistema() {
if (RootPanel.get().getWidgetCount()0)
RootPanel.get().remove(0);
// Carga todos lo Paneles Especiales
list.agregar(Clientes.init(), false);
list.agregar(PanelCliente.init());

// Put the sink list on the left, and add the outer dock panel to
the
// root.
sinkContainer = new DockPanel();
sinkContainer.setStyleName(sv-Contenedor);

VerticalPanel vp = new VerticalPanel();
vp.setWidth(100%);
vp.add(description);
vp.add(sinkContainer);

description.setStyleName(sv-Info);

panel.add(list, DockPanel.WEST);
panel.add(vp, DockPanel.CENTER);

panel.setCellVerticalAlignment(list, HasAlignment.ALIGN_TOP);
panel.setCellWidth(vp, 100%);

// Add history listener
History.addValueChangeHandler(this);

RootPanel.get(panelPrincipal).add(panel);

// Now that we've setup our listener, fire the initial history
state.
History.fireCurrentHistoryState();

Re: YouTube API for GWT

2010-06-11 Thread Giuseppe La Scaleia


Il 11/06/10 17.01, Peter Simun ha scritto:

Did you ever want to use YouTubeAPI in your GWT application and you
did not found any acceptable solution?
Have a look on gwt-youtube-api project (http://code.google.com/p/gwt-
youtube-api/) or try sample YouTube application
http://code.google.com/p/gwt-youtube-api/wiki/SampleApplication.

Project is not an JSNI wrapper over existing JS client, but it is pure
GWT solution with parsing JSON responces sent from YouTube API.

It's not mature project and I'm pretty sure that there are some bugs
in the code, but YouTube demo works well (try to search something -
just CHANGE the default value in the search box - or click on video on
the home page). The responces from YouTube are pretty fast.

Any contribution is very appreciated, just write an email with
requests.

Enjoy, Peter

   

Great work Peter

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Re: quirks vs. standard mode

2010-06-11 Thread Daniel Le Clere

That's a valid point I had not considered. I had some reservations
about using the HTML 5 tag because I had read that IE 6 had no idea
what to do with new doctypes. I did a little further reading, it turns
out that the HTML 5 doctype should kick it into strict mode, which is
something of an approximation of standards mode. It's at least not as
ghastly a perversion of CSS and the DOM as their version of quirks
mode.

From what I can tell, the Relative-Absolute positioning pattern
Google likes to use for its standards mode panels has limited success
in IE 6. Perhaps they do have some work around, but from I've seen of
the classes they've been pretty stubborn with it. I haven't gotten to
the stage with my latest application (first in GWT since 2.0) where
I've considered testing and writing custom IE 6 cases. I am expecting
fun times ahead.


Hope that helps!

On Jun 10, 10:46 pm, Chris Lercher cl_for_mail...@gmx.net wrote:
 Daniel, IE 6 does have something like a standards mode - it's not
 really standards compliant, but it does behave differently, when
 putting it into that mode. That's because, when it's in quirks mode,
 then it behaves like IE 5.5. Seehttp://www.quirksmode.org/css/quirksmode.html
 for more details.

 As far as I can tell, the new layout panels of GWT 2.x are designed to
 also work on IE6 in its standards mode - sometimes by emulating CSS
 properties with javascript.

 @Ata: Try to use !DOCTYPE html (note the uppercase DOCTYPE). Make
 sure, that it's the very first thing in the document (no comments or
 anything in front of it!)

 On Jun 10, 2:28 pm, Daniel Le Clere daniel.lecl...@gmail.com wrote:



  Ummm... IE 6 doesn't have a standards mode... Adding that doctype is
  probably just causing more issues. The HTML 5 doctype is useful for
  forcing IE 7 and 8 into standards mode. If you want to get your
  program rolling for IE 6 you're going to have to write some specific
  views under the MVC or accept greater restrictions in your overall
  design. GWT is not magic, it cannot force IE 6 to do something that
  was not accounted for in its design. If you want that kind of magic
  try Google Frame :)

  On Jun 10, 12:37 pm, Ata ata@gmail.com wrote:

In GWT some widgets only work properly in quirks or standard mode, not
both. As far as I could tell I should be running the app in standard
mode because I have !doctype html as the first line of the root HTML
page, however widgets like TabLayoutPanel that are supposed to work in
standard mode don't work, and the quirks mode ones do. I'm using IE6
(I can also try with chrome and IE8 later, but it should work with any
browser). Does anyone know why this quirks/standard mode is not
working as advertised? Could it be a browser thing, or am I really NOT
in standard mode even though I think I am, or is the GWT documentation
just lying to me?

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Re: gwt2.0 memory leak

2010-06-11 Thread Daniel Le Clere

Details? Are you using widgets? An RPC? Some sort of design pattern?
Are you using innerHTML placement or are you trying to build your
entire layout using javascript generated DOM objects? Are you building
new DOM structures inside or outside the body of the document? Do you
have a massive table of data and a event listener on every cell? Do
you have a one pixel wide background image you are repeating across
the entire page? How are you styling your CSS? Are you using a lot of
inheritance to try and style nodes (like .style b)? Are using the DOM
to try and find the position or dimensions of elements much?  Have you
used a profiling application such as Speed Tracer (Yes it's not a IE
thing, but it can help) to try and narrow it down?

As you can see from that dense list of questions above, there are a
lot of things to consider in Javascript-GWT development. If you'd like
a prompt response, I would suggest you attempt to answer at least some
of them for yourself and posting your reflections back within this
thread. Try watching some of the videos from Google IO 2009/2010.

Hope that helps!

On Jun 11, 10:50 pm, tarik tarikkan...@gmail.com wrote:
 I am using GWT2.0, I would like to know how to decrease memory
 consumption for GWT? I am using Internet explorer 6. Please give me an
 answer as soon as possible? Thank you.

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Modify Java source file at compile time, possible?

2010-06-11 Thread Kevin Qiu

Hi,

I know GWT can generate Java source code with deferred binding. But
sometimes, I don't want to generate a new implementation, but based on some
annotations, I want to have the ability of injecting code at compile time.

e.g., with the class below

public class Foo {
  @Log
  public void bar() {
@CheckPermission
dosomething();
  }
}

At compile time, I want to have the ability to get the annotations available
on items, and inject code according to my application logic. So here, the
compiler should see:
public class Foo {
  public void bar() {
log(begin);
if (hasPermission()) {
  doSomething();
} else {
  error();
}
  }
}

with the extra code being injected. I'm wondering if anything in GWT allows
me to do that?

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Re: Application works only in hosted mode

2010-06-11 Thread Stefan Bachert

Hi Stefan,

this forum is not about GXT. It is about pure GWT.

Stefan Bachert
http://gwtworld.de

On Jun 11, 11:37 am, Stefan Ludwig tapir0...@gmail.com wrote:
 Hi,

 I have a simple application contains a GXT form panel. When I start
 the app in hosted mode it works fine. But not in normal mode.

 In Firebug I see, that all files are well loaded (Status 200 OK). When
 I check the generated HTML with Firbug, I see that the DIV (my GWT
 container) is empty (in hosted mode the DIV contains some HTML code).
 It seems that the entry point doesn't work in normal mode.

 Other GWT/GXT apps works fine. So i think its a configuration issue of
 my GWT project, not a installation problem.

 Any ideas?

 Thanks
 Steff

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Re: GWT very slow on IE

2010-06-11 Thread Manoj

Install Speed Tracer and profile your application. HttpWatch, Fiddler,
YSlow..there are many tools that can assist you to find out whats
going on..or use sysouts in your rpc calls to see if thats what is
slowing you down.
There is no silver bullet that can make your application faster
without knowing anything about it !!

On Jun 10, 4:20 pm, vinod vinodk...@yahoo.com wrote:
 Hi

 My GWT application takes 10 seconds on IE with GWT .
 without GWT it used to take less than second.
 10 times slower with GWT.

 We are using GWT for first time in our application.
 And the app is very slow on IE.
 Business is very unhappy with performance.

 Can you please help me to bring this performance down to 1 sec.

 Thanks  Regards
 Vinod

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Re: 1 layout - 3 browsers - 3 results?

2010-06-11 Thread Alejandro D. Garin

Hi,

I added the menu items you mention and it is working, tested in IE8.

On Fri, Jun 11, 2010 at 1:42 AM, Magnus alpineblas...@googlemail.comwrote:

Hi,

there is a strange problem with the menubar in your example using IE8
(not with FF).

When it opens a popup menu, the whole page disappears and only the
popup menu is visible.

The popup menu is added to the menubar as follows:

MenuBar m= new MenuBar (true);
m.addItem (Login, (Command)null);
m.addItem (Logout,(Command)null);
m.addItem (Register,(Command)null);
m.addItem (Profile,(Command)null);
menu.addItem (Account,m);

What's that again?

Magnus

On 10 Jun., 13:08, Magnus alpineblas...@googlemail.com wrote:
Hi Alejandro,

thank you very much!!!
This solution seems to be perfect for me!

I played around a little bit. I Changed the base class for the
ChessTable to DockLayoutPanel, to add some annotations to the chess
board. This worked, too!

Then I inserted a grid into the center section of ChessTable. It's
clear that this was not centered.
May I use the same mechanism to center this grid within the
ChessTable?

I understand the mechanism as follows:

- create a new class, which implements RequiresResize
- write a onResize method which centers this object within the parent

Well, it works great on FF and IE. Good job!

Thanks again!
Magnus

On 9 Jun., 20:31, Alejandro D. Garin aga...@gmail.com wrote:

Just from the webappcreator. Nothing special.

On Jun 9, 2010 3:28 PM, Magnus alpineblas...@googlemail.com wrote:

Hi Alejandro,

this looks very good and I am still analyzing the java code. I will
give you a more detailed feedback later...

The java code looks clean, but the html file is pumped up with of
JavaScript.
Does this code belong to the solution or is it just generated from
other sources?

Magnus

On Jun 9, 7:35 pm, Alejandro D. Garin aga...@gmail.com wrote:

Hi,

The code below is part of the task, but it center the main chess
table in
the dock center panel

http://www.puntosoft.com.ar/gwt/layoutChess/LayoutChess.javahttp://ww.
..

On Wed, Jun 9, 2010 at 12:50 PM, Magnus
alpineblas...@googlemail.com
wrote:

Hi,

everything you said is correct.

Magnus

On Jun 9, 5:09 pm, Alejandro D. ...
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Re: Final fields and DeRPC

2010-06-11 Thread mmoossen

+1

regards
Michael

On Jun 10, 7:58 pm, hbf kaspar.fisc...@dreizak.com wrote:
 Hi,

 Does the new RPC mechanism, DeRPC, see

  http://code.google.com/webtoolkit/doc/latest/DevGuideServerCommunicat...

 offer serialization of non-static final fields?

 We have so many immutable classes that use final fields. It would be
 nice if there were an option to control serialization of final fields.

 Best,
 Kaspar

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Re: using gwt for games - svg, canvas or something else?

2010-06-11 Thread mmoossen

hi Aljosa!

i have no idea which one is better (svg or canvas) nor which one has
better browser support nor which one has better gwt support.
i only know this is the most amazing game implementation for a browser
i have ever seen:
http://code.google.com/p/quake2-gwt-port/

regards
Michael

On Jun 11, 4:56 pm, Aljosa Mohorovic aljosa.mohoro...@gmail.com
wrote:
 i've found several gwt extensions that have svg or canvas support but
 i have no idea what to use.
 i'm trying to create simple games (stuff usually produced in flash) so
 i was wondering if anybody else tried something like that?
 what would you recommend?

 Aljosa Mohorovic

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bikeshed source code

2010-06-11 Thread Jim

I get the latest code from GWT truck. I can not create a working
Eclipse project for bikeshed because it is full of many code errors. I
would appreciate it if you can share your working source code with us.

Jim

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Re: Efficient GWT Client-Server Communication methodology

2010-06-11 Thread bill braasch

Check out the Itemscript libraries.  http://code.google.com/p/itemscript/
Itemscript includes a JSON RPC with cross platform Java / GWT
libraries.

There's also an in memory database you might find useful for managing
the client side.

Bill

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Re: Hot Start up looking for GWT Expert to contribute virtually!

2010-06-11 Thread Thamizh Arasu

Hi,

I am interested to know more about this. How can i contact you?

On Jun 11, 2:09 am, Amelia Recruiter ameliarecrui...@gmail.com
wrote:
 Hi,
 My name is Amelia and I am one of the founders of TipMarks. TipMarks
 could be a great and interesting opportunity for you or someone you
 may know. We have a number of roles open now, but specifically we are
 looking for a GWT expert to contribute virtually. I would love to talk
 to you about this.

 TipMarks is an early-stage venture led by successful serial
 entrepreneurs and technologists from Music City Networks, Microsoft,
 SAP, Stanford and MIT. We’re working on a web app (and behind it,
 campaign and commerce software) designed to monetize social networks,
 by prompting product recommendations between friends. We’re looking
 for world-class talent able to invest time for equity as we launch the
 business (minimum 15 hour/week commitment). We expect to be generating
 revenue and salaries in Q3 of this year.

 To find out a little more go tohttp://www.tipmarks.com.

 Hope to get to tell you more soon. I promise it will be worth a 10
 minute phone call.

 Amelia Merrill

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Re: GWT HTTP GET function

2010-06-11 Thread Jeff Chimene

On 06/10/2010 08:55 AM, Andy wrote:
 public void doGet(String myurl) {
 
 myurl = URL.encode(myurl);
 
 RequestBuilder builder = new
 RequestBuilder(RequestBuilder.GET, myurl );
 
 try {
   Request request = builder.sendRequest(null, new
 RequestCallback() {
 public void onError(Request request, Throwable exception)
 {
   Window.alert(ERROR. Could not connect to server.);
 }
 
 public void onResponseReceived(Request request, Response
 response) {
   if (200 == response.getStatusCode()) {
String ServerResponse = response.getText();
 
   } else {
 Window.alert(ERROR. Errorcode:  +
 response.getStatusCode());
   }
 }
   });
 
 How can i make this function return SereverResponce variable?

You can't. It's a void function. Stash the response in a private
variable and define a getter for that variable.


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Re: GWT very slow on IE

2010-06-11 Thread Prema Monica

How many RPC calls do you have on this page? How is the performance on the
other browsers?

I believe IE 6 and 7 permit only 2 simultaneous requests. though IE8 permits
6. check out the link below for more details.

http://stackoverflow.com/questions/561046/how-many-concurrent-ajax-xmlhttprequest-requests-are-allowed-in-popular-browser

The correct approach would to first identify whether it is the server code
or the client code which is causing the poor performance. most probably it
should be the server code, you can check with firebug the time consumed for
each RPC and then dig into the call which is consuming the maximum time.

On Thu, Jun 10, 2010 at 1:20 PM, vinod vinodk...@yahoo.com wrote:

My GWT application takes 10 seconds on IE with GWT .
without GWT it used to take less than second.
10 times slower with GWT.

We are using GWT for first time in our application.
And the app is very slow on IE.
Business is very unhappy with performance.

Can you please help me to bring this performance down to 1 sec.

Thanks Regards
Vinod

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Re: Does @DefaultMessage and @PluralText really work?

2010-06-11 Thread PEZ

Indeed, it seems to work as you think it does. I just tried removing
the _default.properties file and thing still work. Was that
@DefaultLocal(en) all that was lacking to begin with? I'm not even
using the set-property-fallback.

Thanks for sharing! I was beginning to dispare.

/PEZ

On Jun 11, 3:05 pm, Thomas Broyer t.bro...@gmail.com wrote:
 On 11 juin, 11:05, PEZ p...@pezius.com wrote:





  Finally got some traction thanks to the clues I got from Federico
  Kerek, author of Essential GWT 
  -http://my.safaribooksonline.com/9780321705631

  It seems like it is something I don't understand with the default
  locale mechanism. I haven't figured it out, but it seems that to get
  plural handling to work I need:

  - In my module's gwt.xml file:
    extend-property name=locale values=en/
  - In my Messages extentsion:
  @DefaultLocale(en)
  public interface MyMessages extends Messages ...
  - Explicitly load the en locale by appending to the URL
  locale=en

  Does this provide enough clues for anyone to see where I might be
  doing this wrong?

 Have you tried adding set-property-fallback name=locale value=en /? it 
 should make the default locale (i.e. when no locale is

 explicitly loaded) map to the en locale, so you don't need the
 locale=en thing (or meta name='gwt:property' content='locale=en')
 You'd still have to extend-property and @DefaultLocale though.

 AFAICT, @DefaultLocale tells GWT what locale the @DefaultMessage (or
 similar annotations for Constants) are written into. If you don't use
 it, it'll consider your Messages interface to be in the default
 locale, which has no associated plural rule (the DefaultRule for the
 default locale only has an other rule).

 If it works the way I think it does, then you don't need the
 YourMessages_default.properties file.

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Cross Site XML-HTTP?

2010-06-11 Thread Quu

I want to, inside of my GWT application, load an XML document from a
different server then where the base page is from. My page is on
server A, and the GWT compiled javascript is on a different server,
location B. The XML I am trying to read is at the same location, B, so
why can't the JS loaded from there access ti with out tripping the SOP
error?.

I used to be able to load XML from a remote site as long as the .html
file hosting the GWT app had a link to an image from the same location
as the XML. This worked in at least 1.7 of GWT, though I suspect it is
more the fact that I have a newer web browser since then.

I have looked at 
http://code.google.com/webtoolkit/doc/latest/tutorial/Xsite.html
and I don't think I can specifically use any of the tricks there. They
seam to be JSON specific, and require a smart backend to append the
callback to the JSON returned text.

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Re: Modify Java source file at compile time, possible?

2010-06-11 Thread Olivier Monaco

Hi Kevin,

You can rewrite your Foo class as:

public class Foo implements MagicClass {
  @Trace
  @Secured
  public void bar() {
  }
}

Then, associate a generator for sub-types of MagicClass and use
GWT.create to instantiate a new Foo.

GWT.create(Foo.class);

So your generator will be called. It can generate a FooImpl class that
extends the Foo class and override the bar method as follow:

public class FooImpl extends Foo {
  public void bar() {
Log.log(begin of bar);
try {
  SecurityContext.checkAuthorized();
  super.bar();
}
finally {
  Log.log(end of bar);
}
  }
}

Where Log.log print some logs and SecurityContext.checkAuthorized
throws an error is the user is not authorized. This could be funny and
not really hard to do.

Olivier

On 11 juin, 18:09, Kevin Qiu kevin.jing@gmail.com wrote:
 Hi,

 I know GWT can generate Java source code with deferred binding. But
 sometimes, I don't want to generate a new implementation, but based on some
 annotations, I want to have the ability of injecting code at compile time.

 e.g., with the class below

 public class Foo {
   @Log
   public void bar() {
     @CheckPermission
     dosomething();
   }

 }

 At compile time, I want to have the ability to get the annotations available
 on items, and inject code according to my application logic. So here, the
 compiler should see:
 public class Foo {
   public void bar() {
     log(begin);
     if (hasPermission()) {
       doSomething();
     } else {
       error();
     }
   }

 }

 with the extra code being injected. I'm wondering if anything in GWT allows
 me to do that?

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Re: Modify Java source file at compile time, possible?

2010-06-11 Thread Kevin Qiu

thanks for the reply. the problem is (I should've pointed out) that my Foo
class is already managed through dependency injection container (gin), which
means there's already a deferred binding implementation generated by
ginjector.

On Fri, Jun 11, 2010 at 5:58 PM, Olivier Monaco olivier.mon...@free.frwrote:

 Hi Kevin,

 You can rewrite your Foo class as:

 public class Foo implements MagicClass {
  @Trace
  @Secured
  public void bar() {
  }
 }

 Then, associate a generator for sub-types of MagicClass and use
 GWT.create to instantiate a new Foo.

 GWT.create(Foo.class);

 So your generator will be called. It can generate a FooImpl class that
 extends the Foo class and override the bar method as follow:

 public class FooImpl extends Foo {
  public void bar() {
Log.log(begin of bar);
try {
  SecurityContext.checkAuthorized();
  super.bar();
}
finally {
  Log.log(end of bar);
}
  }
 }

 Where Log.log print some logs and SecurityContext.checkAuthorized
 throws an error is the user is not authorized. This could be funny and
 not really hard to do.

 Olivier

 On 11 juin, 18:09, Kevin Qiu kevin.jing@gmail.com wrote:
  Hi,
 
  I know GWT can generate Java source code with deferred binding. But
  sometimes, I don't want to generate a new implementation, but based on
 some
  annotations, I want to have the ability of injecting code at compile
 time.
 
  e.g., with the class below
 
  public class Foo {
@Log
public void bar() {
  @CheckPermission
  dosomething();
}
 
  }
 
  At compile time, I want to have the ability to get the annotations
 available
  on items, and inject code according to my application logic. So here, the
  compiler should see:
  public class Foo {
public void bar() {
  log(begin);
  if (hasPermission()) {
doSomething();
  } else {
error();
  }
}
 
  }
 
  with the extra code being injected. I'm wondering if anything in GWT
 allows
  me to do that?

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Re: GWT very slow on IE

2010-06-11 Thread Vitali Lovich

Above all, are you sure you're not running hosted mode? That'll slow things
down significantly.

On Fri, Jun 11, 2010 at 11:56 AM, Prema Monica premamon...@gmail.comwrote:

How many RPC calls do you have on this page? How is the performance on the
other browsers?

I believe IE 6 and 7 permit only 2 simultaneous requests. though IE8
permits 6. check out the link below for more details.

http://stackoverflow.com/questions/561046/how-many-concurrent-ajax-xmlhttprequest-requests-are-allowed-in-popular-browser

On Thu, Jun 10, 2010 at 1:20 PM, vinod vinodk...@yahoo.com wrote:

My GWT application takes 10 seconds on IE with GWT .
without GWT it used to take less than second.
10 times slower with GWT.

We are using GWT for first time in our application.
And the app is very slow on IE.
Business is very unhappy with performance.

Can you please help me to bring this performance down to 1 sec.

Thanks Regards
Vinod

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Re: 1 layout - 3 browsers - 3 results?

Hi Alejandro,

I think you are replying to a post that I cancelled. I did so, because
I managed to reproduce this behavior with a minimalistic piece of code
so that it was clear that it must be a general issue. I found that
here must be a problem in the GWT version that is not fixed yet:
http://code.google.com/p/google-web-toolkit/issues/detail?id=4532

But let me come back to your code for centering the chess board: The
main prerequisite is that you set (and therefore know) the pixel size
of the inner box to 400,400.

However, doing the same with a form was not possible for me since I am
building on top of your code template. The reason is that I don't know
the size of my form. I put all the widgets together in a panel (I
tried every type) and add this panel to my DockLayoutPanel. Then it's
immediately stretched, so that I cannot retrieve its natural size.
But exactly this size is needed to do the centering as you did in your
code.

How would you do this? Can you help me again?

Thank you
Magnus

On Jun 11, 6:54 pm, Alejandro D. Garin aga...@gmail.com wrote:
Hi,

I added the menu items you mention and it is working, tested in IE8.

On Fri, Jun 11, 2010 at 1:42 AM, Magnus alpineblas...@googlemail.comwrote:

Hi,

there is a strange problem with the menubar in your example using IE8
(not with FF).

When it opens a popup menu, the whole page disappears and only the
popup menu is visible.

The popup menu is added to the menubar as follows:

MenuBar m= new MenuBar (true);
m.addItem (Login, (Command)null);
m.addItem (Logout,(Command)null);
m.addItem (Register,(Command)null);
m.addItem (Profile,(Command)null);
menu.addItem (Account,m);

What's that again?

Magnus

On 10 Jun., 13:08, Magnus alpineblas...@googlemail.com wrote:
Hi Alejandro,

thank you very much!!!
This solution seems to be perfect for me!

I played around a little bit. I Changed the base class for the
ChessTable to DockLayoutPanel, to add some annotations to the chess
board. This worked, too!

Then I inserted a grid into the center section of ChessTable. It's
clear that this was not centered.
May I use the same mechanism to center this grid within the
ChessTable?

I understand the mechanism as follows:

- create a new class, which implements RequiresResize
- write a onResize method which centers this object within the parent

Well, it works great on FF and IE. Good job!

Thanks again!
Magnus

On 9 Jun., 20:31, Alejandro D. Garin aga...@gmail.com wrote:

Just from the webappcreator. Nothing special.

On Jun 9, 2010 3:28 PM, Magnus alpineblas...@googlemail.com wrote:

Hi Alejandro,

this looks very good and I am still analyzing the java code. I will
give you a more detailed feedback later...

The java code looks clean, but the html file is pumped up with of
JavaScript.
Does this code belong to the solution or is it just generated from
other sources?

Magnus

On Jun 9, 7:35 pm, Alejandro D. Garin aga...@gmail.com wrote:

Hi,

The code below is part of the task, but it center the main chess
table in
the dock center panel

http://www.puntosoft.com.ar/gwt/layoutChess/LayoutChess.javahttp://ww.
..

On Wed, Jun 9, 2010 at 12:50 PM, Magnus
alpineblas...@googlemail.com
wrote:

Hi,

everything you said is correct.

Magnus

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Re: app engine with hosted mode

2010-06-11 Thread alexh

No one has tried this?

On Jun 9, 9:12 pm, alexh alexanderhar...@gmail.com wrote:
 Hi,

 I am currently developing a GWT application that will run on Google
 App Engine. I have chosen to use Maven and am running my application
 from the command line for debugging and testing. What I would like to
 be able to do is run my application in the GWT 2.0 hosted environment
 but still initialize the App Engine runtime. Can someone help me out
 with what I need to configure in order to make this happen? I'm
 currently using gwt-maven-plugin in my pom.xml. Any help with this
 would be greatly appreciated.

 Thanks,

 Alex

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[gwt-contrib] Re: Improving event handling, as initiated in 1.6

2010-06-11 Thread Dan

I don't suppose you could bump the wave Thomas?   I seem to not have
access to do anything but add blank replies...

On May 31, 5:48 am, Brendan Kenny bcke...@gmail.com wrote:
 Rob --

 You might have already seen this, but Thomas created a wave on the
 topic to get things 
 movinghttps://wave.google.com/wave/#restored:wave:googlewave.com!w%252Bux7z...

 post I/O seems to be the general timeframe, but I know I'm eager to
 help create a more extensible system as well. Many more event types
 than I know where to put these days.

 On May 29, 1:01 pm, Robert Hanson iamroberthan...@gmail.com wrote:



  I was trying to implement the File API using GWT's events, and I came
  across this post and others.  There is also an issue for this, which
  was accepted, but the last comment is from 2008 (http://
  code.google.com/p/google-web-toolkit/issues/detail?id=2562).

  Just wondering if this is in the works (maybe already in the trunk),
  or if this is on the back-burner.

  Thanks.

  Rob

  -- Forwarded message --
  From: Thomas Broyer t.bro...@gmail.com
  Date: Dec 21 2009, 8:01 pm
  Subject: Improving event handling, as initiated in 1.6
  To: Google Web Toolkit Contributors

  Hi Googlers,

  GWT 1.6 introduced the new event handling, which is really great. It
  however suffers from some limitations, the one bugging me the most
  being the difficulty/impossibility to support new DomEvents, such as
  D'n'D events, ononline/onoffline, onstorage, or browser-specific
  events (those that can be emulated in other browsers: mouseenter/
  mouseleave, focusin/focusout; and those that cannot: onhelp, onselect/
  onselectionchange/onselectstart, onmozorientationchange,
  ongesturestart/change/end, ontouchstart/end/move/cancel,
  onorientation, etc.)
  This is because event's sinking is done byDOMImplusing a field of
 bits, instead of being baked intoDomEvent(using an Impl class with
  deferred binding by browser). How about, for instance, building it
  intoDomEvent::Type, so that addDomHandler could call type.sinkEvent
  (xxx)?

  Other improvements that I'd like to see happening re. events:
   - finally accurate (not necessarily 100%-identical cross-browser-
  wise) support for key/keyboard events (issues 72, 1061, 1529, and
  3753, and issue 3640)
  see 
  alsohttp://groups.google.fr/group/Google-Web-Toolkit-Contributors/t/e7059...
   - onfocus/onblur on Window (issue 68)
   - focus/blur event preview (issue 1431)
   - unsink events when there all handlers have been removed (issue
  3619)
   - allow listening to events in the capture phase instead of only
  being able to listen to the bubble phase

  This last issue (3619) cannot be solved without either (as I proposed
  in comment #3 on the issue):
   - changing Widget::addDomHandler wrap the HandlerRegistration so that
  removeHandler() queues a finally command to eventually unsink the
  event
   - baking this in HandlerManager, eventually by introducing a
  DomHandlerManager extends HandlerManager to be used by widgets

  See 
  alsohttp://groups.google.fr/group/google-web-toolkit-contributors/msg/cd4...

  I volunteer to provide patches, but I need to know what you, GWT
  team, want and want-not. I'd happily work on sorting those key/
  keyboard events out, followed by rework of theDomEvent'ssinking
  extensibility and issue 3619.

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Re: [gwt-contrib] Re: Improving event handling, as initiated in 1.6

On Thu, Jun 10, 2010 at 11:59 PM, Dan ddum...@gmail.com wrote:
 I don't suppose you could bump the wave Thomas?   I seem to not have
 access to do anything but add blank replies...

I've added you to the wave. Don't know what happened as you're a
member of GWT-Contrib, which has full access to the wave...

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[gwt-contrib] Re: RR : Support reserved class names in CssResource (issue600801)

2010-06-11 Thread rjrjr


LGTM


http://gwt-code-reviews.appspot.com/600801/diff/2001/3001
File user/src/com/google/gwt/resources/Resources.gwt.xml (right):

http://gwt-code-reviews.appspot.com/600801/diff/2001/3001#newcode77
user/src/com/google/gwt/resources/Resources.gwt.xml:77:
extend-configuration-property name=CssResource.reservedClassPrefixes
value=gwt- /
Is there an existing gwt test you can extend to ensure this stays
defined?

http://gwt-code-reviews.appspot.com/600801/diff/2001/3002
File user/src/com/google/gwt/resources/rg/CssResourceGenerator.java
(right):

http://gwt-code-reviews.appspot.com/600801/diff/2001/3002#newcode778
user/src/com/google/gwt/resources/rg/CssResourceGenerator.java:778: for
(String value : prop.getValues()) {
value = value.trim() ?

http://gwt-code-reviews.appspot.com/600801/show

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[gwt-contrib] Fix implementation of Math.sinh and Math.tanh (external issue 4991) (issue602801)


Reviewers: jat,

Description:
Fix implementation of Math.sinh and Math.tanh (external issue 4991)


Please review this at http://gwt-code-reviews.appspot.com/602801/show

Affected files:
  M user/super/com/google/gwt/emul/java/lang/Math.java
  M user/test/com/google/gwt/emultest/java/lang/MathTest.java


Index: user/super/com/google/gwt/emul/java/lang/Math.java
===
--- user/super/com/google/gwt/emul/java/lang/Math.java  (revision 8240)
+++ user/super/com/google/gwt/emul/java/lang/Math.java  (working copy)
@@ -27,10 +27,12 @@
   private static final double PI_UNDER_180 = 180.0 / PI;

   public static double abs(double x) {
+//return (x = 0.0) ? 0.0 - x : x;
 return x  0 ? -x : x;
   }

   public static float abs(float x) {
+//  return (x = 0.0) ? 0.0 - x : x;
 return x  0 ? -x : x;
   }

@@ -253,7 +255,7 @@
   }-*/;

   public static native double sinh(double x) /*-{
-return Math.sinh(x);
+return (Math.exp(x) - Math.exp(-x)) / 2.0;
   }-*/;

   public static native double sqrt(double x) /*-{
@@ -265,7 +267,8 @@
   }-*/;

   public static native double tanh(double x) /*-{
-return Math.tanh(x);
+var e2x = Math.exp(2.0 * x);
+return (e2x - 1) / (e2x + 1);
   }-*/;

   public static double toDegrees(double x) {
Index: user/test/com/google/gwt/emultest/java/lang/MathTest.java
===
--- user/test/com/google/gwt/emultest/java/lang/MathTest.java	(revision  
8240)

+++ user/test/com/google/gwt/emultest/java/lang/MathTest.java   (working copy)
@@ -30,6 +30,17 @@
 return com.google.gwt.emultest.EmulSuite;
   }

+  public void testAbs() {
+double v = Math.abs(-1.0);
+assertEquals(1.0, v);
+v = Math.abs(1.0);
+assertEquals(1.0, v);
+v = Math.abs(-1.0 / Double.POSITIVE_INFINITY); // -0.0
+assertEquals(0.0, v);
+v = Math.abs(0.0);
+assertEquals(0.0, v);
+  }
+
   public void testCbrt() {
 double v = Math.cbrt(1000.0);
 assertEquals(10.0, v, 1e-7);
@@ -44,6 +55,15 @@
 assertEquals(-1.0, v, 1e-7);
 v = Math.cos(Math.PI * 1.5);
 assertEquals(0.0, v, 1e-7);
+  }
+
+  public void testCosh() {
+double v = Math.cosh(0.0);
+assertEquals(1.0, v, 1e-7);
+v = Math.cosh(1.0);
+assertEquals(1.5430806348, v, 1e-7);
+v = Math.cosh(-1.0);
+assertEquals(1.5430806348, v, 1e-7);
   }

   public void testLog() {
@@ -66,4 +86,22 @@
 v = Math.sin(Math.PI * 1.5);
 assertEquals(-1.0, v, 1e-7);
   }
+
+  public void testSinh() {
+double v = Math.sinh(0.0);
+assertEquals(0.0, v, 1e-7);
+v = Math.sinh(1.0);
+assertEquals(1.175201193, v, 1e-7);
+v = Math.sinh(-1.0);
+assertEquals(-1.175201193, v, 1e-7);
+  }
+
+  public void testTanh() {
+double v = Math.tanh(0.0);
+assertEquals(0.0, v, 1e-7);
+v = Math.tanh(1.0);
+assertEquals(0.761594155, v, 1e-7);
+v = Math.tanh(-1.0);
+assertEquals(-0.761594155, v, 1e-7);
+  }
 }


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[gwt-contrib] Fix behavior of Double.compare and Double.compareTo (external issue 4935) (issue603801)


Reviewers: jat,

Description:
Fix behavior of Double.compare and Double.compareTo (external issue
4935)


Please review this at http://gwt-code-reviews.appspot.com/603801/show

Affected files:
  M user/super/com/google/gwt/emul/java/lang/Double.java
  M user/test/com/google/gwt/emultest/java/lang/DoubleTest.java


Index: user/super/com/google/gwt/emul/java/lang/Double.java
===
--- user/super/com/google/gwt/emul/java/lang/Double.java(revision 8240)
+++ user/super/com/google/gwt/emul/java/lang/Double.java(working copy)
@@ -33,6 +33,16 @@
   public static final int SIZE = 64;

   public static int compare(double x, double y) {
+if (isNaN(x)) {
+  if (isNaN(y)) {
+return 0;
+  } else {
+return 1;
+  }
+} else if (isNaN(y)) {
+  return -1;
+}
+
 if (x  y) {
   return -1;
 } else if (x  y) {
@@ -89,13 +99,7 @@
   }

   public int compareTo(Double b) {
-if (value  b.value) {
-  return -1;
-} else if (value  b.value) {
-  return 1;
-} else {
-  return 0;
-}
+return compare(this.value, b.value);
   }

   @Override
Index: user/test/com/google/gwt/emultest/java/lang/DoubleTest.java
===
--- user/test/com/google/gwt/emultest/java/lang/DoubleTest.java	(revision  
8240)
+++ user/test/com/google/gwt/emultest/java/lang/DoubleTest.java	(working  
copy)

@@ -77,6 +77,34 @@
   // Expected behavior
 }
   }
+
+  public void testCompare() {
+assertTrue(Double.compare(Double.NaN, Double.NaN) == 0);
+assertTrue(Double.compare(0.0, Double.NaN)  0);
+assertTrue(Double.compare(Double.NaN, Double.POSITIVE_INFINITY)  0);
+assertTrue(Double.compare(Double.NaN, 0.0)  0);
+assertTrue(Double.compare(Double.POSITIVE_INFINITY, Double.NaN)  0);
+assertTrue(Double.compare(3.0, 500.0)  0);
+assertTrue(Double.compare(500.0, 3.0)  0);
+assertTrue(Double.compare(500.0, 500.0) == 0);
+  }
+
+  public void testCompareTo() {
+Double zero = new Double(0.0);
+Double three = new Double(3.0);
+Double fiveHundred = new Double(500.0);
+Double infinity = new Double(Double.POSITIVE_INFINITY);
+Double nan = new Double(Double.NaN);
+
+assertTrue(nan.compareTo(nan) == 0);
+assertTrue(zero.compareTo(nan)  0);
+assertTrue(nan.compareTo(infinity)  0);
+assertTrue(nan.compareTo(zero)  0);
+assertTrue(infinity.compareTo(nan)  0);
+assertTrue(three.compareTo(fiveHundred)  0);
+assertTrue(fiveHundred.compareTo(three)  0);
+assertTrue(fiveHundred.compareTo(fiveHundred) == 0);
+  }

   public void testDoubleConstants() {
 assertTrue(Double.isNaN(Double.NaN));


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[gwt-contrib] Restore deleted public method (issue604801)


Reviewers: Lex,

Description:
Restore deleted public method


Please review this at http://gwt-code-reviews.appspot.com/604801/show

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



Index:  
user/src/com/google/gwt/user/client/rpc/impl/AbstractSerializationStreamWriter.java

===
---  
user/src/com/google/gwt/user/client/rpc/impl/AbstractSerializationStreamWriter.java	 
(revision 8240)
+++  
user/src/com/google/gwt/user/client/rpc/impl/AbstractSerializationStreamWriter.java	 
(working copy)

@@ -44,6 +44,11 @@
   public static double[] getAsDoubleArray(long value) {
 int lowBits = (int) (value  0x);
 int highBits = (int) (value  32);
+return makeLongComponents(lowBits, highBits);
+  }
+
+  // Equivalent to getAsDoubleArray((long) highBits  32 | lowBits);
+  protected static double[] makeLongComponents(int lowBits, int highBits) {
 double high = highBits * TWO_PWR_32_DBL;
 double low = lowBits;
 if (lowBits  0) {


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[gwt-contrib] Re: Restore deleted public method (issue604801)

2010-06-11 Thread jat


Since the underlying implementation is so different, maybe we should
break any users of this and instead introduce something that is less
fragile, like a class using only translatable primitives that can
serialize/deserialize itself.


http://gwt-code-reviews.appspot.com/604801/show

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[gwt-contrib] Re: Fix behavior of Double.compare and Double.compareTo (external issue 4935) (issue603801)

2010-06-11 Thread jat


LGTM


http://gwt-code-reviews.appspot.com/603801/show

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[gwt-contrib] Re: Restore deleted public method (issue604801)

2010-06-11 Thread דניאל רייס

  Right now, the standard RPC format hasn't changed (although deRPC has,
since the whole point if to be able to eval the payload into the client).
 So anyone who has a custom RPC system needs a way to generate a double[2]
from a long.

  Longer term, I'd like to transmit longs as an int[3] instead, in which
case I would agree that it would be good to insulate subclassers from the
details of the wire format.

Dan

On Fri, Jun 11, 2010 at 3:02 PM, j...@google.com wrote:

 Since the underlying implementation is so different, maybe we should
 break any users of this and instead introduce something that is less
 fragile, like a class using only translatable primitives that can
 serialize/deserialize itself.



 http://gwt-code-reviews.appspot.com/604801/show


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[gwt-contrib] Re: Restore deleted public method (issue604801)

2010-06-11 Thread John Tamplin

On Fri, Jun 11, 2010 at 3:07 PM, Daniel Rice (דניאל רייס)
r...@google.comwrote:

   Right now, the standard RPC format hasn't changed (although deRPC has,
 since the whole point if to be able to eval the payload into the client).
  So anyone who has a custom RPC system needs a way to generate a double[2]
 from a long.


Ok.


   Longer term, I'd like to transmit longs as an int[3] instead, in which
 case I would agree that it would be good to insulate subclassers from the
 details of the wire format.


Since it is actually going to be transmitted as ASCII characters anyway, I
am not sure it is better than just sending the string representation of the
long and processing it normally rather than parsing multiple values.
 Especially currently where the work to parse two doubles and convert them
to 3 ints seems far more than just doing the straight parse anyway, and it
also makes the server-side much simpler.

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

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[gwt-contrib] Implemented Array and descendants as overlay types. Simplified Assertion convenience methods. Fi... (issue605801)

2010-06-11 Thread rchandia


Reviewers: Dan Rice,

Description:
Implemented Array and descendants as overlay types. Simplified Assertion
convenience methods. Fixed code style issues.
Review by: r...@google.com

Please review this at http://gwt-code-reviews.appspot.com/605801/show

Affected files:
  M /bikeshed/src/com/google/gwt/collections/Assertions.java
  M /bikeshed/src/com/google/gwt/collections/ImmutableArrayEmptyImpl.java
  M /bikeshed/src/com/google/gwt/collections/ImmutableArrayImpl.java
  M /bikeshed/src/com/google/gwt/collections/MutableArray.java
  A  
/bikeshed/super/com/google/gwt/collections/super/com/google/gwt/collections/Array.java
  A  
/bikeshed/super/com/google/gwt/collections/super/com/google/gwt/collections/CollectionFactory.java
  A  
/bikeshed/super/com/google/gwt/collections/super/com/google/gwt/collections/ImmutableArray.java
  A  
/bikeshed/super/com/google/gwt/collections/super/com/google/gwt/collections/ImmutableArrayEmptyImpl.java
  M  
/bikeshed/super/com/google/gwt/collections/super/com/google/gwt/collections/ImmutableArrayImpl.java
  M  
/bikeshed/super/com/google/gwt/collections/super/com/google/gwt/collections/MutableArray.java
  M  
/bikeshed/test-super/com/google/gwt/collections/super/com/google/gwt/collections/MutableArrayInternalTest.java
  M  
/bikeshed/test/com/google/gwt/collections/CollectionsServerSideTestSuite.java
  A  
/bikeshed/test/com/google/gwt/collections/ImmutableArrayInternalTest.java

  M /bikeshed/test/com/google/gwt/collections/ImmutableArrayTest.java
  M /bikeshed/test/com/google/gwt/collections/MutableArrayTest.java


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[gwt-contrib] Re: Implemented Array and descendants as overlay types. Simplified Assertion convenience methods. Fi... (issue500801)

2010-06-11 Thread rchandia


I've reposted this patch based on the branch at
https://google-web-toolkit.googlecode.com/branches/lwc-gwt-migration,
please review there

On 2010/05/10 18:38:14, rchandia wrote:




http://gwt-code-reviews.appspot.com/500801/show

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[gwt-contrib] Re: Fix implementation of Math.sinh and Math.tanh (external issue 4991) (issue602801)

2010-06-11 Thread jat


LGTM if the extra comments are removed and the JRE compatibility
question is checked.


http://gwt-code-reviews.appspot.com/602801/diff/1/2
File user/super/com/google/gwt/emul/java/lang/Math.java (right):

http://gwt-code-reviews.appspot.com/602801/diff/1/2#newcode30
user/super/com/google/gwt/emul/java/lang/Math.java:30: //return (x
= 0.0) ? 0.0 - x : x;
Why are these comments being added?

http://gwt-code-reviews.appspot.com/602801/diff/1/2#newcode258
user/super/com/google/gwt/emul/java/lang/Math.java:258: return
(Math.exp(x) - Math.exp(-x)) / 2.0;
On these, do we need to do anything special with NaNs/infinity to get
JRE-compatible behavior?

http://gwt-code-reviews.appspot.com/602801/show

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[gwt-contrib] Re: Implemented Array and descendants as overlay types. Simplified Assertion convenience methods. Fi... (issue500801)

2010-06-11 Thread rchandia


(I pressed send too soon)

I've reposted this patch based on the branch at
https://google-web-toolkit.googlecode.com/branches/lwc-gwt-migration,
please
review now at http://gwt-code-reviews.appspot.com/605801


On 2010/05/10 18:38:14, rchandia wrote:





http://gwt-code-reviews.appspot.com/500801/show

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[gwt-contrib] Add new LongLib test case (issue607801)


Reviewers: jat,

Description:
Add new LongLib test case


Please review this at http://gwt-code-reviews.appspot.com/607801/show

Affected files:
  M dev/core/super/com/google/gwt/lang/LongLibBase.java
  A dev/core/test/com/google/gwt/lang/LongLibTest.java


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[gwt-contrib] Re: Fix implementation of Math.sinh and Math.tanh (external issue 4991) (issue602801)



http://gwt-code-reviews.appspot.com/602801/diff/1/2
File user/super/com/google/gwt/emul/java/lang/Math.java (right):

http://gwt-code-reviews.appspot.com/602801/diff/1/2#newcode30
user/super/com/google/gwt/emul/java/lang/Math.java:30: //return (x
= 0.0) ? 0.0 - x : x;
Oops, I meant to test the behavior for -0 (if such a thing actually
exists in JS).  In Java, doing 'return x  0 ? -x : x' for x = -0 will
return -0 instead of 0 as it should.

On 2010/06/11 19:21:31, jat wrote:

Why are these comments being added?


http://gwt-code-reviews.appspot.com/602801/diff/1/2#newcode258
user/super/com/google/gwt/emul/java/lang/Math.java:258: return
(Math.exp(x) - Math.exp(-x)) / 2.0;
I've added a test case and made one needed fix.

On 2010/06/11 19:21:31, jat wrote:

On these, do we need to do anything special with NaNs/infinity to get
JRE-compatible behavior?


http://gwt-code-reviews.appspot.com/602801/show

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[gwt-contrib] [google-web-toolkit] r8241 committed - Fix behavior of Double.compare and Double.compareTo (external issue 49...

2010-06-11 Thread codesite-noreply


Revision: 8241
Author: r...@google.com
Date: Fri Jun 11 10:06:45 2010
Log: Fix behavior of Double.compare and Double.compareTo (external issue  
4935)


Review at http://gwt-code-reviews.appspot.com/603801

Review by: j...@google.com
http://code.google.com/p/google-web-toolkit/source/detail?r=8241

Modified:
 /trunk/user/super/com/google/gwt/emul/java/lang/Double.java
 /trunk/user/test/com/google/gwt/emultest/java/lang/DoubleTest.java

===
--- /trunk/user/super/com/google/gwt/emul/java/lang/Double.java	Thu Apr 10  
23:17:07 2008
+++ /trunk/user/super/com/google/gwt/emul/java/lang/Double.java	Fri Jun 11  
10:06:45 2010

@@ -33,6 +33,16 @@
   public static final int SIZE = 64;

   public static int compare(double x, double y) {
+if (isNaN(x)) {
+  if (isNaN(y)) {
+return 0;
+  } else {
+return 1;
+  }
+} else if (isNaN(y)) {
+  return -1;
+}
+
 if (x  y) {
   return -1;
 } else if (x  y) {
@@ -89,13 +99,7 @@
   }

   public int compareTo(Double b) {
-if (value  b.value) {
-  return -1;
-} else if (value  b.value) {
-  return 1;
-} else {
-  return 0;
-}
+return compare(this.value, b.value);
   }

   @Override
===
--- /trunk/user/test/com/google/gwt/emultest/java/lang/DoubleTest.java	Thu  
Mar 25 14:04:46 2010
+++ /trunk/user/test/com/google/gwt/emultest/java/lang/DoubleTest.java	Fri  
Jun 11 10:06:45 2010

@@ -77,6 +77,34 @@
   // Expected behavior
 }
   }
+
+  public void testCompare() {
+assertTrue(Double.compare(Double.NaN, Double.NaN) == 0);
+assertTrue(Double.compare(0.0, Double.NaN)  0);
+assertTrue(Double.compare(Double.NaN, Double.POSITIVE_INFINITY)  0);
+assertTrue(Double.compare(Double.NaN, 0.0)  0);
+assertTrue(Double.compare(Double.POSITIVE_INFINITY, Double.NaN)  0);
+assertTrue(Double.compare(3.0, 500.0)  0);
+assertTrue(Double.compare(500.0, 3.0)  0);
+assertTrue(Double.compare(500.0, 500.0) == 0);
+  }
+
+  public void testCompareTo() {
+Double zero = new Double(0.0);
+Double three = new Double(3.0);
+Double fiveHundred = new Double(500.0);
+Double infinity = new Double(Double.POSITIVE_INFINITY);
+Double nan = new Double(Double.NaN);
+
+assertTrue(nan.compareTo(nan) == 0);
+assertTrue(zero.compareTo(nan)  0);
+assertTrue(nan.compareTo(infinity)  0);
+assertTrue(nan.compareTo(zero)  0);
+assertTrue(infinity.compareTo(nan)  0);
+assertTrue(three.compareTo(fiveHundred)  0);
+assertTrue(fiveHundred.compareTo(three)  0);
+assertTrue(fiveHundred.compareTo(fiveHundred) == 0);
+  }

   public void testDoubleConstants() {
 assertTrue(Double.isNaN(Double.NaN));

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[gwt-contrib] Re: Fix implementation of Math.sinh and Math.tanh (external issue 4991) (issue602801)


http://gwt-code-reviews.appspot.com/602801/show

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[gwt-contrib] Re: Implemented Array and descendants as overlay types. Simplified Assertion convenience methods. Fi... (issue605801)