Re: SuggestBox implementation
public class CustomSuggestOracle extends SuggestOracle{
ListCustomSuggestion citySugggestions = null;
@Override
public void requestSuggestions(Request request, Callback callback) {
Response response = new
Response(getMatchingCities(request.getQuery(), request.getLimit()));
callback.onSuggestionsReady(request,response);
}
private ListCustomSuggestion getMatchingCities(String query, int
limit) {
ListCustomSuggestion list = new ArrayListCustomSuggestion();
//get List of suggested from the backend with RPC
}
}
And when you create the SuggestBox you pass your CustomSuggestOracle
as a constructor parameter
On Mon, Aug 27, 2012 at 8:50 PM, Deepak Singh deepaksingh...@gmail.com wrote:
I would be using RPC and returning the ListDTO.
Then how should i go ahead for implementation of CustomSuggestOracle ?
On Mon, Aug 27, 2012 at 8:26 PM, Ümit Seren uemit.se...@gmail.com wrote:
it depends how you access your backend? How do you transmit your DTO's
from the backend to the frontend?
Manually parsing JSON? RequestFactory? RPC?
On Mon, Aug 27, 2012 at 4:49 PM, Deepak Singh deepaksingh...@gmail.com
wrote:
I understand this. But my question is how do i implement
CustomSuggestOracle.java
What will be implementation of the method getMatchingCities() in
customSuggestionOracle ?
Thanks
Deepak
On Mon, Aug 27, 2012 at 12:42 PM, Ümit Seren uemit.se...@gmail.com
wrote:
It depends how you want to access your backend. Assuming you do a
normal
Ajax call you could do something like this:
private ListCustomSuggestion getMatchingCities(String query, int
limit)
{
ListCustomSuggestion list = new ArrayListCustomSuggestion();
RequestBuilder request = new
RequestBuilder(RequestBuilder.GET,url+?query=+query+limit= +
limit);
request.setCallback(new RequestCallback() {
@Override
public void onResponseReceived(Request request, Response response) {
//parse the result (maybe JSON) and populate your ArrayList
}
@Override
public void onError(Request request, Throwable exception) {
// TODO Auto-generated method stub
}
});
try
{
request.send();
}
catch (Exception e) {
}
}
On Sunday, August 26, 2012 11:20:31 PM UTC+2, Deepak Singh wrote:
Hi,
I tried this way
public class CustomSuggestion implements Suggestion{
public CityNameDTO dto = null;
public CustomSuggestion(CityNameDTO dto) {
this.dto = dto;
}
@Override
public String getDisplayString() {
return dto.getCityName();
}
@Override
public String getReplacementString() {
return dto.getCityId();
}
}
public class CustomSuggestOracle extends SuggestOracle{
ListCustomSuggestion citySugggestions = null;
@Override
public void requestSuggestions(Request request, Callback callback) {
Response response = new
Response(getMatchingCities(request.getQuery(),
request.getLimit()));
}
private ListCustomSuggestion getMatchingCities(String query, int
limit)
{
ListCustomSuggestion list = new ArrayListCustomSuggestion();
}
}
Now i am not able to understand how to go ahead with this
customSuggestOracle.
Could you pls guide me here?
Thanks
Deepak
On Sun, Aug 26, 2012 at 11:18 PM, Thomas Broyer t.br...@gmail.com
wrote:
On Sunday, August 26, 2012 6:36:11 PM UTC+2, Deepak Singh wrote:
But after selecting a value, how do i get the id of the selected
value?
SuggestBox works best if you use the ID as the replacementString
and
the label as the displayString of the Suggestions in your
SuggestOracle.
In that case, you don't have to do anything, the ID will be set in
the text
box upon selecting a suggestion.
(e.g. the replacement string is an email address, and the display
string also contains the full name, the oracle using both the full
name and
email address for providing suggestions)
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For
Re: FlowPanel problem.
float: left worked perfectly - thank you very much!
On Saturday, August 25, 2012 4:55:59 AM UTC+1, Alfredo Quiroga-Villamil
wrote:
This should be of help:
https://developers.google.com/web-toolkit/doc/latest/DevGuideUiPanels#LayoutPanels
HorizontalPanel is a bit trickier. In some cases, you can simply
replace it with a DockLayoutPanel, but that requires that you specify
its childrens' widths explicitly. The most common alternative is to
use FlowPanel, and to use the float: left; CSS property on its
children. And of course, you can continue to use HorizontalPanel
itself, as long as you take the caveats above into account.
Best regards,
Alfredo
On Thu, Aug 23, 2012 at 11:16 AM, Antoine Lever
antoine...@gmail.com javascript: wrote:
I want to add a number of DecoratorPanels horizontally until there's no
more room and then move onto another row. I'm therefore trying to use a
FlowPanel. No matter what I do, the DecoratorPanels appear vertically and
not horizontally. What am I doing wrong? Please help!
Thank you
public void onModuleLoad() {
FlowPanel fp = new FlowPanel();
AbsolutePanel ap1 = new AbsolutePanel();
AbsolutePanel ap2 = new AbsolutePanel();
AbsolutePanel ap3 = new AbsolutePanel();
DecoratorPanel dp1 = new DecoratorPanel();
DecoratorPanel dp2 = new DecoratorPanel();
DecoratorPanel dp3 = new DecoratorPanel();
ap1.setSize(50px, 100px);
ap2.setSize(50px, 100px);
ap3.setSize(50px, 100px);
dp1.add(ap1);
dp2.add(ap2);
dp3.add(ap3);
fp.add(dp1);
fp.add(dp2);
fp.add(dp3);
RootPanel.get().add(fp);
}
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Re: FF DevMode plugin + Memory leaks (+ Address already in use)
I analyzed this a bit more (this time on Linux), and I noticed, that the number of Thread also grows: 1 thread per reload. Again, this happens only with Firefox, not with Chrome. So probably the ClassLoader references will be discarded only when the Thread terminates... One more thing that might be interesting: When closing the entire FF instance (just closing the tab is not enough), then the threads are discarded, and Heap/PermGen space can be garbage collected. By the way, closing the FF instance leads to the following Exception printed by the DevMode server: 10:53:21.549 [ERROR] [mymodule] Remote connection lost com.google.gwt.dev.shell.BrowserChannel$RemoteDeathError: Remote connection lost at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:308) at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:547) at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:364) at java.lang.Thread.run(Thread.java:662) Caused by: java.io.EOFException: null at java.io.DataInputStream.readByte(DataInputStream.java:250) at com.google.gwt.dev.shell.BrowserChannel$Message.readMessageType(BrowserChannel.java:1100) at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:284) at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:547) at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:364) at java.lang.Thread.run(Thread.java:662) On Tuesday, August 28, 2012 2:07:02 AM UTC+2, Brian Slesinsky wrote: That's an interesting report. We always want to garbage collect the ClassLoader when the session is over and if that doesn't happen, it's a bug. I don't know why Firefox would behave differently; the JVM side should work the same way for Firefox versus Chrome. The only thing I can think of is some difference in distributed garbage collection, but that shouldn't matter once the session ends. Alan's not on the team anymore. I'd like to fix this, but I'm busy with other things and I don't have a good idea where to begin. If someone's handy with a memory profiler, figuring out what's preventing the classloader from being gc-ed in this case would be very useful. - Brian -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/0tBYLSRxh1AJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: FF DevMode plugin + Memory leaks (+ Address already in use)
In other words: it looks like the Firefox plugin doesn't send a QuitMessage to the DevMode, and worse, is kept alive in the background! On Tuesday, August 28, 2012 11:05:38 AM UTC+2, Chris Lercher wrote: I analyzed this a bit more (this time on Linux), and I noticed, that the number of Thread also grows: 1 thread per reload. Again, this happens only with Firefox, not with Chrome. So probably the ClassLoader references will be discarded only when the Thread terminates... One more thing that might be interesting: When closing the entire FF instance (just closing the tab is not enough), then the threads are discarded, and Heap/PermGen space can be garbage collected. By the way, closing the FF instance leads to the following Exception printed by the DevMode server: 10:53:21.549 [ERROR] [mymodule] Remote connection lost com.google.gwt.dev.shell.BrowserChannel$RemoteDeathError: Remote connection lost at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:308) at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:547) at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:364) at java.lang.Thread.run(Thread.java:662) Caused by: java.io.EOFException: null at java.io.DataInputStream.readByte(DataInputStream.java:250) at com.google.gwt.dev.shell.BrowserChannel$Message.readMessageType(BrowserChannel.java:1100) at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:284) at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:547) at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:364) at java.lang.Thread.run(Thread.java:662) On Tuesday, August 28, 2012 2:07:02 AM UTC+2, Brian Slesinsky wrote: That's an interesting report. We always want to garbage collect the ClassLoader when the session is over and if that doesn't happen, it's a bug. I don't know why Firefox would behave differently; the JVM side should work the same way for Firefox versus Chrome. The only thing I can think of is some difference in distributed garbage collection, but that shouldn't matter once the session ends. Alan's not on the team anymore. I'd like to fix this, but I'm busy with other things and I don't have a good idea where to begin. If someone's handy with a memory profiler, figuring out what's preventing the classloader from being gc-ed in this case would be very useful. - Brian -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/5saLTgZ7UjEJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Maven gwt module dependency with an other gwt module dependency
Hi @all i'm have an issue with maven and external jars as gwt module jars. Given is the following project structure: 1) Root Projekt : gwt-main 2) Singe GWT View : gwt-viewer-test 3) Model : gwt-model The Root Projekt use the gwt-viewer-test and gwt-model project. The gwt-model project is also used by the gwt-viewer-test project. The dependencies are organized with maven. If i build the root project i have still this issue: [ERROR] no source info: public class de.gwt.viewer.test.ViewerTest private [unresolved] de.gwt.model.ModelTest model This looks like gwt could not obtain the sources of the gwt-model project that is used in gwt-test-viewer and in the root project. if i build the root project without the viewer project gwt finds the sources of the model project. What i'm missing? greetings Saik0 -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/WBDB_XD8O3YJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
SOLVED - Re: CellTable - Synchronization problem with AsyncDataProvider
Hi, I'm sorry, but I made a stupid mistake. I set both row data and row count within on RangeChanged, but I only used the (correct) user filter when fetching the row data via RPC call. When fetching the row count via RPC call I used a new, empty user filter, so the count was wrong. Sorry for the time... Magnus -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/YzVl5s0sFNoJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
How to size a widget for optimal presentation?
Hello,
I have a Widget SelectionField, which extends Composite and contains a
label and a button, within a HorizontalPanel.
The label should always occupy all the horizontal space that is available
besides the button.
I tried to set its width to 100%. I also tried around with RequiresResize
and onResize, but nothing worked.
How would you do this?
Thanks
Magnus
-
public class SelectionField extends Composite implements
{
private HorizontalPanel pnl = new HorizontalPanel ();
private Label lbl_Tournament = new Label ();
private PushButton btn_Select = new PushButton ();
public SelectionField()
{
super ();
initWidget (pnl);
pnl.setBorderWidth(1);
pnl.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
pnl.add (lbl_Tournament);
pnl.add (btn_Select);
lbl_Tournament.setWidth(200px);
}
}
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Re: Login form auto-complete and GWT-RPC (or RequestBuilder), a solution!
Is there any reason for not using just gwt HTML or somthing else with
@UiHandler(loginButton) to make a RPC-call for log in?
Ex:
UiBinder:
g:HTMLPanel
g:TextBox ui:field=username /
g:PasswordTextBox ui:field=password /
g:HTML ui:field=loginButton LOGIN /g:HTML
/g:HTMLPanel
Composite:
@UiHandler(loginButton)
void onLoginClick(ClickEvent e) {
// make RPC-call and validate user.
}
Or is it just for autocomplete?
Den torsdagen den 26:e februari 2009 kl. 18:21:23 UTC+1 skrev Thomas Broyer:
If you want to have browsers auto-complete username/password in your
application's login form, you probably did (*I* did) this:
1. follow recommandations from
http://code.google.com/p/google-web-toolkit-incubator/wiki/LoginSecurityFAQ,
i.e. your form and fields have to be in the original markup and you
mustn't use .submit() but let the browser submit using, say... a
submit button?
2. use something like that in your code:
// note the true second argument, to create a hidden iframe
FormPanel form = FormPanel.wrap(Document.get().getElementById
(login), true);
form.addFormPanel(new FormPanel() {
public void onSubmit(FormSubmitEvent event) {
// do some validation before submitting (non-empty fields)
// and call event.setCancelled(true) if needed.
}
public void onSubmitComplete(FormSubmitCompleteEvent event) {
// somehow parse event.getResults() to know whether it
// succeeded or not.
}
});
3. Your server have to send its response in with Content-Type:text/
html, even if its JSON (hence the parse above)
But there's actually an alternative!
It never occured to me before someone pointed me to a login page that
does it: if your form submits to a javascript: URL, then the browser's
auto-complete feature will work (provided the form and fields were
in the original HTML page markup, same limitation as above).
What it means is that you can use GWT-RPC or RequestBuilder!!!
Your code now looks like:
private static native void injectLoginFunction() /*-{
$wnd.__gwt_login = @com.example.myapp.client.App::doLogin();
}-*/;
private static void doLogin() {
// get the fields values and do your GWT-RPC call or
// RequestBuilder thing here.
}
...
// notice that we now pass false as the second argument
FormPanel form = FormPanel.wrap(Document.get().getElementById
(login), false);
form.setAction(javascript:__gwt_login());
And of course, you can still validate the form before it's submitted:
form.addFormPanel(new FormPanel() {
public void onSubmit(FormSubmitEvent event) {
// do some validation before submitting (non-empty fields)
// and call event.setCancelled(true) if needed.
}
public void onSubmitComplete(FormSubmitCompleteEvent event) {
// will never be called.
}
});
Tested in IE7, Firefox 3.0 and Opera 10alpha; please update if it
works (or doesn't work) for you in other browsers.
The previous solution (using the iframe) was successfully tested in
IE6, IE7, IE8 (beta 1 at that time), Firefox 2 and 3.0, Opera (9.62 at
that time), Safari 3 for Windows and Google Chrome (1 and 2).
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Re: [gwt-visualization-api] Export chart to image
Renato Beserra renatobeserra@... writes: Hi guys,My team is working on an application that uses Google Image Chart api to generate a few charts. We are finishing a new analysis component and the number of generated charts will increase a lot. So, we'd like to use a more sofisticated solution. The new google visualization api appeared to be perfect for us. But we noticed there is not a feature to export the SVG chart as an image which is necessary for us. We could continue to use the Image Chart Api to provide the export feature, but the problem is that it seems to be deprecated. If we make the same call to a ImageLineChart and to a LineChart, for example, we see that the labels of the Image Chart are overlapped. Therefore, it doesn't seem smart to use both apis.So, I would like to know if there is a workaround for this problem.I would also be thankful for suggestions of other non-flash solutions for charts, that can be easily exported.Thanks in advance. []'s -- Renato Beserra Sousa Hi Renato, i've been using the new aka Visualization API for displaying interactive graphs in my GWT application. Now, i have the need to export these graphs to a PDF report, so i need to convert them to image format. I'm planning to use both APIS (aka Visualization API for interactive charts and Imagen Chart API for printing charts in PDF format) as I don't find any better solution. Looking for other options i've seen you had such a problem some mounths ago, but i don't see any responses to your message...Did you finally come up with a better solution than using different APIS for different purposes? Other options i've seen are a) convert SVG charts to images using JavaScript code http://www.battlehorse.net/page/topics/charts/save_google_charts_as_image.html b) making a screenshot of the browser using a tool like this one http://code.google.com/p/speak- lib/source/browse/#svn/trunk/WebShot%3Fstate%3Dclosed Thanks in advance! Victor -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Best practices waiting for DOM parsing
I wanted to ask the community's opinion on the best practice for waiting for a DOM resource to become available. Use Case: You make an elaborate component via UiBinder or injecting some HTML/SVG into the DOM and upon executing the following statement trying to access an element that was injected, the DOM does not see it (i.e. inject 2MB of SVG) due to DOM parsing lag. Work Arounds: 1. Schedule recurring timer to check if the element is available and then continue the program flow (now that the element's accessible in the DOM). 2. OR Schedule a deferred timer and then continue (less robust, does not always work). So, curious what other folks have been using in this case where the GWT code must wait to wait for DOM parsing lag time. It seems to me like this is something there should be an official GWT function for doing as other frameworks do have functions to wait until an object becomes available in the DOM. Sincerely, Joseph -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/JpBdhNvNWbIJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Best practices waiting for DOM parsing
I was under the impression that all DOM manipulation calls are synchronous, are you sure it's not GWT using the Scheduler under the hood to run some of your code asynchronously? Can you give some example code? On Tue, Aug 28, 2012 at 2:33 PM, Joseph Lust lifeofl...@gmail.com wrote: I wanted to ask the community's opinion on the best practice for waiting for a DOM resource to become available. Use Case: You make an elaborate component via UiBinder or injecting some HTML/SVG into the DOM and upon executing the following statement trying to access an element that was injected, the DOM does not see it (i.e. inject 2MB of SVG) due to DOM parsing lag. Work Arounds: Schedule recurring timer to check if the element is available and then continue the program flow (now that the element's accessible in the DOM). OR Schedule a deferred timer and then continue (less robust, does not always work). So, curious what other folks have been using in this case where the GWT code must wait to wait for DOM parsing lag time. It seems to me like this is something there should be an official GWT function for doing as other frameworks do have functions to wait until an object becomes available in the DOM. Sincerely, Joseph -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/JpBdhNvNWbIJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: DART vs. GWT
+1 Very well said. On Monday, August 27, 2012 9:33:36 AM UTC-6, Ryan Shillington wrote: Google is an incubator. They throw a lot of darts at the wall to see what sticks (pun intended). When you have 10 irons in the fire, one or 2 of them are bound to glow hot. There's no reason to believe that Dart will win over GWT in the next 2-3 years if you're building something of modest complexity. My company ( onlyinsight.com) is a start-up. We use wordpress for our main site (so basically PHP) which is super-simple (5-10 pages). For our first big real product, with half a million lines of code, we're using GWT (and wouldn't consider Ruby/PHP). Ruby/Rails/PHP to me is like a chainsaw - it's super-easy to cut down trees with, but it's just as easy to cut your arm off. You don't want a million lines of a scripting language. Ryan On Sunday, August 26, 2012 6:42:07 PM UTC-5, b0b wrote: On Wednesday, 22 August 2012 17:57:42 UTC+2, deepak chauhan wrote: One question is disturbing me from a long time. Why Google invented DART, when GWT is already there? To have one more project to can in a few months/years, instead of puting all resources behind GWT. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/gG2HPMzR7mQJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: How to size a widget for optimal presentation?
First pnl.setWidth(100%); and instead of lbl_Tournament.setWidth(200px) I think you should do pnl.setCellWidth(btn_Select, 50px); btn_Select.setWidth(100%); This should limit the cell that contains the button to fixed 50px width and as you have not specified any width for the label cell and the label itself it should take the remaining space. -- J. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/F0Y28tLuAcYJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Best serverside architecture(framework/stack) to use with GWT for large application...please show me the light
Hi Seth, I personally am not a fan of Spring. I'm generally not a fan of anything that says, First, create a bunch of XML files (GWT excepted :) ). That's why I gravitated to Guice for all my DI needs. That said, Guice and Spring aren't quite the same thing, and you could leverage both of them. However, it is probably unnecessary to do both Guice and Spring in a GWT app. You can do anything with one DI framework that you can do with the other, and if you are leaning to Spring, you make a fine choice and you can ignore the rest of my post. At my workplace, the way we do GWT projects is we create a WebXml.java in the server package that implements GuiceServletContextListener and point the web.xml to that class. The WebXml contains servlet mapping modules, db connection modules, and other Guice modules as needed. On the client side, we generally use MVP structure with GIN. The MVP structure is a lifesaver for large projects in my mind. Our more recent projects have used the Activity and Places framework described on GWT's website with the main exception that the ClientFactory object is unnecessary since GIN provides the various resources instead of ClientFactory. At my work we've got two projects that clock in around 34k and 46k lines of Java (not including XML or other artifacts) as well as smaller projects and they use the methodology I described. Derek On Monday, August 27, 2012 5:18:13 PM UTC-4, GWTter wrote: Hi Derek, Thanks a lot for the reply. I did consider Guice for DI on the serverside but not sure if it would be redundant if using a framework like Spring. I do want to utilize RF though as it has a nice set of features which I'd like to include, e.g. caching and only delta posts. And I'll definitely take a look at GIN again since DI on my clientside might be pretty nice too. Thanks again, -Seth On Monday, August 27, 2012 4:05:05 PM UTC+2, Derek wrote: I use Guice on the server side and GIN on the client side. I generally use DTOs over GWT-RPC since RequestFactory isn't what I need / want to migrate to. On Saturday, August 25, 2012 7:48:12 PM UTC-4, GWTter wrote: Hi all, I've been doing research on this for the past 2, almost 3 days now. I feel like I've googled everything under the sun on the matter (including these forums) and am almost all tutorialed-out. Before I go into any more details on the question I just want to give a quick overview of the scope and plan for the project to see what will suit it best: -Large application, non-trivial -50+ DB tables -Large user base -User management/authentication/sessions -transactions -security -MVP (as per GWT recommendation) -focus on performance and scalability (naturally :), am using GWT after all) I've also read and watched all of the best practices on architecture for large applications (Google/GWT). Now in the last talk I could find on best architecture practices involving GWT was back in 2010 by Ray Ryan in which he states that they don't think JavaBeans and property change events work terribly well so it's better to use DTOs for the Model. My big questions are if this is still the belief and the recommended route, and if so, what should I be looking at in order to achieve this? a Framework? My preference would be to keep coding in Java on the serverside since I'm already doing so with GWT on the client. I've been investigating serverside frameworks and seem to have arrive at 2: Seam or Spring? However I can figure out which of these are best suited for the task. All of the doc I've found out there discussing the issue is at the most recent about a year old but most of it is from =2010 so it makes it even harder to tell considering that both of these frameworks have evolved considerably since then. There's also been the coming of JEE 6. Can anyone give any insight on who's best suited for the task, or what I should do to fulfill my requirements but stay inline with what is recommended by GWT? I know I only mentioned Seam and Spring since that's what I've been led to mostly, but I'm open to any suggestions that fit what I'm looking for. I've already ruled a couple of solutions such as Spring Roo for this kind of task. This is my first project of this scale and the last thing I want to do is head down a path and figure out that I've wasted a lot of my and my team's time and energy because of some wrong decisions I made at the get-go. Thanks a lot in advance for your help, I really just want to figure this out so I can get back to coding instead of googling the ends of the earth ;). -Seth -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/mrQWtLJt_W8J. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to
Re: Clear Cell table data
Can any one help me on this?
On Monday, 11 June 2012 21:13:45 UTC+5:30, lucky wrote:
How to clear celltable data when i click on the Button 'Clear'?
i tried with cellTable.setRowCount(0);
and
private void clearTable() {
if (dataProvider.getDataDisplays() != null
dataProvider.getDataDisplays().isEmpty() == false) {
dataProvider.removeDataDisplay(cellTable);
}
cellTable.setVisibleRangeAndClearData(resultListGrid.getVisibleRange(),
true);
}
but this is not working for me.
Could you please tell me did i do any thing wrong ?
or let me know the best way to clear the cellTable data
Thanks in advance.
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Parsing error after update WebCore Elemental
I updated WebCore (third_party) from de Dart Project and when run build
script the following error occurs:
Traceback (most recent call last):
File ./scripts/elemental_fremontcutbuilder.py, line 217, in module
sys.exit(main())
File ./scripts/elemental_fremontcutbuilder.py, line 214, in main
return build_database(idl_files, database_dir)
File ./scripts/elemental_fremontcutbuilder.py, line 139, in
build_database
builder.import_idl_file(file_name, webkit_options)
File
/usr/local/frameworks/gwt/trunk/elemental/idl/scripts/databasebuilder.py,
line 474, in import_idl_file
idl_file = self._load_idl_file(file_path, import_options)
File
/usr/local/frameworks/gwt/trunk/elemental/idl/scripts/databasebuilder.py,
line 88, in _load_idl_file
raise RuntimeError('Failed to load file %s: %s' % (file_name, e))
RuntimeError: Failed to load file
./scripts/../third_party/WebCore/html/canvas/Int8Array.idl: At line 37
offset 26: Expected ] or ( or , but c found:
TypedArray=signed char
Traceback (most recent call last):
File ./scripts/elementaldomgenerator.py, line 164, in module
sys.exit(main())
File ./scripts/elementaldomgenerator.py, line 155, in main
database_dir, use_database_cache)
File ./scripts/elementaldomgenerator.py, line 120, in GenerateDOM
systems = systems)
File
/usr/local/frameworks/gwt/trunk/elemental/idl/scripts/elementalgenerator.py,
line 279, in Generate
self.PopulateMixinBase(self._database.GetInterface('ElementalMixinBase'),
mixins)
File /usr/local/frameworks/gwt/trunk/elemental/idl/scripts/database.py,
line 188, in GetInterface
raise RuntimeError('Interface %s is not loaded' % interface_name)
RuntimeError: Interface ElementalMixinBase is not loaded
---
File /../third_party/WebCore/html/canvas/Int8Array.idl:
module html {
interface [
ConstructorTemplate=TypedArray,
ConstructorParameters=1,
NumericIndexedGetter,
CustomIndexedSetter,
JSGenerateToNativeObject,
JSNoStaticTables,
CustomToJSObject,
DoNotCheckConstants,
* TypedArray=signed char*
] Int8Array : ArrayBufferView {
const unsigned long BYTES_PER_ELEMENT = 1;
readonly attribute unsigned long length;
Int8Array subarray(in [Optional=DefaultIsUndefined] long start,
in [Optional] long end);
// void set(in Int8Array array, [Optional] in unsigned long offset);
// void set(in sequencelong array, [Optional] in unsigned long
offset);
void set();
};
}
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Re: Best practices waiting for DOM parsing
Hi Joseph:
Not as familiar with SVG as I am with Canvas, but I am thinking that
you can likely (assuming I interpreted the documentation correctly)
hook into the SVG load event. Do investigate this, as I am not sure,
but below are a couple of sources. Take a look at SVGLoad, perhaps you
can use something like that instead of you doing the checking,
leverage if it's valid the callback that's native there.
http://www.w3.org/TR/SVG/interact.html
Then something like:
http://stackoverflow.com/questions/3883257/loading-svg-into-svgweb-dynamically-with-jquery
svg.addEventListener('SVGLoad', function() {
svg = this; // this will correctly refer to your SVG root
alert('loaded!');
}, false);
// also supported:
svg.onsvgload = function() {
alert('loaded!');
}
Best regards,
Alfredo
On Tue, Aug 28, 2012 at 9:33 AM, Joseph Lust lifeofl...@gmail.com wrote:
I wanted to ask the community's opinion on the best practice for waiting for
a DOM resource to become available.
Use Case:
You make an elaborate component via UiBinder or injecting some HTML/SVG into
the DOM and upon executing the following statement trying to access an
element that was injected, the DOM does not see it (i.e. inject 2MB of SVG)
due to DOM parsing lag.
Work Arounds:
Schedule recurring timer to check if the element is available and then
continue the program flow (now that the element's accessible in the DOM).
OR Schedule a deferred timer and then continue (less robust, does not always
work).
So, curious what other folks have been using in this case where the GWT code
must wait to wait for DOM parsing lag time. It seems to me like this is
something there should be an official GWT function for doing as other
frameworks do have functions to wait until an object becomes available in
the DOM.
Sincerely,
Joseph
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--
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AOL/Yahoo/Gmail/MSN IM: lawwton
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Re: FF DevMode plugin + Memory leaks (+ Address already in use)
Thanks, I think I can do something about this. On Tue, Aug 28, 2012 at 2:15 AM, Thomas Broyer t.bro...@gmail.com wrote: In other words: it looks like the Firefox plugin doesn't send a QuitMessage to the DevMode, and worse, is kept alive in the background! On Tuesday, August 28, 2012 11:05:38 AM UTC+2, Chris Lercher wrote: I analyzed this a bit more (this time on Linux), and I noticed, that the number of Thread also grows: 1 thread per reload. Again, this happens only with Firefox, not with Chrome. So probably the ClassLoader references will be discarded only when the Thread terminates... One more thing that might be interesting: When closing the entire FF instance (just closing the tab is not enough), then the threads are discarded, and Heap/PermGen space can be garbage collected. By the way, closing the FF instance leads to the following Exception printed by the DevMode server: 10:53:21.549 [ERROR] [mymodule] Remote connection lost com.google.gwt.dev.shell.BrowserChannel$RemoteDeathError: Remote connection lost at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:308) at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:547) at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:364) at java.lang.Thread.run(Thread.java:662) Caused by: java.io.EOFException: null at java.io.DataInputStream.readByte(DataInputStream.java:250) at com.google.gwt.dev.shell.BrowserChannel$Message.readMessageType(BrowserChannel.java:1100) at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:284) at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:547) at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:364) at java.lang.Thread.run(Thread.java:662) On Tuesday, August 28, 2012 2:07:02 AM UTC+2, Brian Slesinsky wrote: That's an interesting report. We always want to garbage collect the ClassLoader when the session is over and if that doesn't happen, it's a bug. I don't know why Firefox would behave differently; the JVM side should work the same way for Firefox versus Chrome. The only thing I can think of is some difference in distributed garbage collection, but that shouldn't matter once the session ends. Alan's not on the team anymore. I'd like to fix this, but I'm busy with other things and I don't have a good idea where to begin. If someone's handy with a memory profiler, figuring out what's preventing the classloader from being gc-ed in this case would be very useful. - Brian -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/5saLTgZ7UjEJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: DART vs. GWT
About Dart: - I really (!) hope that Dart will succeed. - Ideally, Dart would even become the new JavaScript alternative in all browsers (however, AFAIK a few browser vendors have signaled, that this ain't gonna happen). If not, then it could maybe still be successful with dart2js. About GWT: - GWT allows to code in *Java* for the client side, which is perfect, if you already use *Java* on the server side. - There is no significant amount of existing Dart code for the server side, so Dart does not have that advantage. Conclusion: GWT + Dart would be such an awesome combination: GWT compiling Java to Dart. And then Dart to JS only if necessary. - This would require changing GWT internals, - but it wouldn't require changing the GWT API and programming techniques much (except for low level JSNI and JSO) - remember, that a lot of the GWT API is about manipulating the DOM (which stays the same no matter if the underlying language is JS or Dart), handling browser events, ... - As long as you want to work with Java on the server side, it's a good idea to use GWT - otherwise you'd have to duplicate common parts of your code for the server (Java) and client side (Dart) - like in the medieval days before GWT. (I hope we'll never have to fall back to that situation.) Alternative: The alternative would be that Dart also succeeds on the server side, completely replacing Java. This is rather unlikely, but if things like O/R mapping, fully-fledged IDEs, and anything of value that Java provides is available in Dart someday, plus if it provides any real advantage over Java, then I'm the first one to switch completely to Dart. Then we wouldn't need GWT anymore, and Dart would probably adopt all useful GWT features. (And it should be straightforward to port existing GWT code to Dart.) On Wednesday, August 22, 2012 5:57:42 PM UTC+2, deepak chauhan wrote: One question is disturbing me from a long time. Why Google invented DART, when GWT is already there? -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/G02R2U9lzkcJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Editor Framework and BeanValidation (setConstraintViolations problem).
I am trying to get the Editor Framework to work with BeanValidation
(JSR303) (GWT 2.4) for client side validation and run into an issue.
Validation works fine. I want to use the Editor's built in capability to
display errors (i.e ValueBoxEditorDecorator). However the EditorDriver
interface only specifies setConstraintViolations(Iterable violations); But
the validate function from the BeanValidation returns a Set and I can't
cast from this to the type that is expected in the setConstraintViolations
function.
The only workaround I found is creating a new Set and adding the
ConstraintViolations to it.
SetConstraintViolationMyProxy violations =
validator.validate(myProxy,Default.class);
SetConstraintViolation? violations2 = new HashSetConstraintViolation?();
for (ConstraintViolationStudyProxyconstraint:violations) {
violations2.add(constraint);
}
if (!violations.isEmpty()) {
driver.setConstraintViolations(violations2);
}
else {
//proceed
}
I can this is related to this issue:
http://code.google.com/p/google-web-toolkit/issues/detail?id=6270
Is there any better way to do that?
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Metro UI Windows 8 with GWT
Dear All, Whether you are aware of any gwt library using which we can develop Windows 8 based applications. Warm Regards, Allahbaksh -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/I_r8U4CtSp0J. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
GWT 2.5 and IBM JVM problems
Hi all, Someone can update us about the problems with GWT 2.5 and IBM JVM?? Related posts: https://groups.google.com/forum/#!msg/gwt-steering/WGs-uiyHQA8/Te0hEfj5miEJ http://code.google.com/p/google-web-toolkit/issues/detail?id=7530 Any news are very welcome... Thanks in advance, Adolfo. -- El precio es lo que pagas. El valor es lo que recibes. Warren Buffet -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
GWT 2.4.0 - DataGrid - Differentiating between single click and double clicks on rows
Hi there,
I am currently picking up on a row selection (single click) in a DataGrid
using NoSelectionModel (As seen below). This works fine and I perform a
certain action based on this selection. However, I also want to pick up on
when a user double clicks a row in this data grid. Does anyone have any
advice? Thanks!
final NoSelectionModelMyObjectRecord selectionModel = new
NoSelectionModelMyObjectRecord();
selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler()
{
@Override
public void onSelectionChange(SelectionChangeEvent event) {
final MyObjectRecord myObjectRecord =
selectionModel.getLastSelectedObject();
// Do stuff with myObjectRecord
}
});
this.setSelectionModel(selectionModel);
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Re: GWT 2.4.0 - DataGrid - Differentiating between single click and double clicks on rows
See
https://groups.google.com/forum/?hl=trfromgroups=#!topic/google-web-toolkit/j_HF85Mqhnk
2012/8/28 dave_mcgee daveomc...@gmail.com
Hi there,
I am currently picking up on a row selection (single click) in a DataGrid
using NoSelectionModel (As seen below). This works fine and I perform a
certain action based on this selection. However, I also want to pick up on
when a user double clicks a row in this data grid. Does anyone have any
advice? Thanks!
final NoSelectionModelMyObjectRecord selectionModel = new
NoSelectionModelMyObjectRecord();
selectionModel.addSelectionChangeHandler(new
SelectionChangeEvent.Handler() {
@Override
public void onSelectionChange(SelectionChangeEvent event) {
final MyObjectRecord myObjectRecord =
selectionModel.getLastSelectedObject();
// Do stuff with myObjectRecord
}
});
this.setSelectionModel(selectionModel);
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Re: Editor Framework and BeanValidation (setConstraintViolations problem).
On Tuesday, August 28, 2012 5:11:20 PM UTC+2, Ümit Seren wrote:
I am trying to get the Editor Framework to work with BeanValidation
(JSR303) (GWT 2.4) for client side validation and run into an issue.
Validation works fine. I want to use the Editor's built in capability to
display errors (i.e ValueBoxEditorDecorator). However the EditorDriver
interface only specifies setConstraintViolations(Iterable violations); But
the validate function from the BeanValidation returns a Set and I can't
cast from this to the type that is expected in the setConstraintViolations
function.
The only workaround I found is creating a new Set and adding the
ConstraintViolations to it.
SetConstraintViolationMyProxy violations =
validator.validate(myProxy,Default.class);
SetConstraintViolation? violations2 = new
HashSetConstraintViolation?();
for (ConstraintViolationStudyProxyconstraint:violations) {
violations2.add(constraint);
}
if (!violations.isEmpty()) {
driver.setConstraintViolations(violations2);
}
else {
//proceed
}
I can this is related to this issue:
http://code.google.com/p/google-web-toolkit/issues/detail?id=6270
Is there any better way to do that?
As suggested in the issue you link to:
@SuppressWarning(unchecked, rawtypes)
SetConstraintViolation? violations2 = (SetConstraintViolation?)
(Set) violations;
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Request for change of access control of CellTree.BasicStyle
A request/suggestion: In a future release, can com.google.gwt.user.cellview.client.CellTree.BasicStyle be made public? It's a bit of a bother to have to extend and modify com.google.gwt.user.cellview.client.CellTree.Style and hack all of CellTree.css when all I want to do is modify one thing in CellTreeBasic.css. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/pWv-ngF1438J. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Override body style with CssResource
I looked at the way the CSS files are loaded. Sure enough, the standard.css file is loaded first and then my custom CSS is loaded. Although the end result is what I want (my styles override the standard ones), the user will see the standard styles in a split second before they see my styles. After looking through the web, I think the only way is to modify the actual standard.css file and remove the common tags (body, td, etc.) manually before I package it into my app. Charles On Monday, August 27, 2012 6:58:14 PM UTC-4, Charles Chan wrote: I should correct myself that it's not really a flash (which implies a page refresh). Instead, I saw the Standard stylesheet applied and then in a split second, my stylesheet is applied. Charles On Monday, August 27, 2012 4:49:07 PM UTC-4, Charles Chan wrote: Hi, I am relatively new to GWT. I am creating a GWT application that will be embedded into a DIV of an existing webapp . Obviously, I would like to keep the existing webapp's styling, especially on the common elements, e.g. body, td, select, etc. I've read that CssResource is the way to go. So, I gave it a try. My .gwt.xml has the following lines: inherits name='com.google.gwt.user.theme.standard.Standard'/ inherits name=com.google.gwt.resources.Resources / In my css file, I put the styles of the webapp there. I created the ClientBundle and inject my CSS in my EntryPoint. All seems fine. However, when I invoke the app. on IE8, I see the GWT Standard styles applied first and in a flash, my overridden styles are applied. So, I think I am overriding the styles successfully. However, how do I avoid that flash when the Standard styles are being applied before my styles? Thanks in advance. Charles -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/xcmT__Lt4TAJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Override body style with CssResource
You can inherit StandardResources.gwt.xml instead of Standard.gwt.xml. When
you do so, only the images used by the standard theme will be copied to
your app folder and no CSS will be automatically included in your host page.
Then you create a new css file and copy everything from gwt's theme to your
new css file and make modifications to it. Then you create a ClientBundle
like
interface AppClientBundle extends ClientBundle {
@Source(yourModifiedTheme.css)
@NotStrict //Not sure if its needed but I guess it is.
CssResource themeCss();
}
and instantiate it in your onModuleLoad():
public void onModuleLoad() {
AppClientBundle bundle = GWT.create(AppClientBundle.class);
bundle.themeCss().ensureInjected(); //injects the CSS into the HTML page.
}
The result is:
- The CSS code is now embedded in your JavaScript file, which saves a
download request (you dont have a link href=theme.css / tag
anymore)
- You can control when the CSS should be injected into your HTML file
during app startup.
-- J.
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Re: How to insert a new row in to a DataGrid
Hi, Is anyone able to assist with my query please? Thanks. On Thursday, August 23, 2012 8:13:10 PM UTC+1, Claire wrote: Hi, I have a button assigned to the onClick method. Within this method I add a new element to the list, reset the data grid row count by calling setRowCount(list.size(), true) and reset the grid data by calling setRowData(0, list). In debug mode I can see the list size increasing however, the data grid does not seem to refresh when I run the app. I have tried removing columns and that works. Can someone please advise me where I am going wrong? Many Thanks. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/GjrIqHdpUY4J. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GWT 2.5 and IBM JVM problems
Nobody is currently working on it. Perhaps someone should rebuild GWT using the IBM JDK to see if that's the issue. Setting serialVersionUID in all the Serializable compiler classes seems like a reasonable idea except that I wonder why removing the gwtar files didn't help? There shouldn't be incompatibilities for serialized object created and used in the same JVM. - Brian On Tuesday, August 28, 2012 8:38:09 AM UTC-7, apanizo wrote: Hi all, Someone can update us about the problems with GWT 2.5 and IBM JVM?? Related posts: https://groups.google.com/forum/#!msg/gwt-steering/WGs-uiyHQA8/Te0hEfj5miEJ http://code.google.com/p/google-web-toolkit/issues/detail?id=7530 Any news are very welcome... Thanks in advance, Adolfo. -- El precio es lo que pagas. El valor es lo que recibes. Warren Buffet -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/MHWe-sxmR-kJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Best practices waiting for DOM parsing
@Chris Price Thanks, I'll try to put together a simple demo. The only trouble is that this only happens on quite complex UI's, but I'll try to distill it down to it's essence. @Alfredo The issues I found with SVG is that these events are not well supported. For example, in Mozilla, SVG.getElementById is not supported. Why? On the but they said that they hadn't bothered to implement the *whole* SVG spec since Canvas is the cat's meow. In the Lib-GWT-SVG library which we use, there is no support for events on SVG elements. I see that the spec you sent is barely a year old. I'll need to check if that is more supported than it was last year when I was trying. Ideally I'd just use addLoadHandler from http://www.w3.org/TR/SVG/script.html#EventAttributes, but it's not in the aforementioned SVG lib. I'll have to try doing it myself and see how it goes. Sincerely, Joseph -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/ojsWo8LuGLkJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Best practices waiting for DOM parsing
@Chris Price Thanks, I'll try to put together a simple demo. The only trouble is that this only happens on quite complex UI's, but I'll try to distill it down to it's essence. @Alfredo The issue I found with SVG is that these events are not well supported. For example, in Mozilla, SVG.getElementById is not supported. Why? On the bug report response they said that they hadn't bothered to implement the whole SVG spec since Canvas is the cat's meow. In the Lib-GWT-SVG library which we use, there is no support for events on SVG elements. I see that the spec you sent is barely a year old. I'll need to check if that is more supported than it was last year when I was trying. Another example is that SVG animation (SMIL) which is awesome, does not work very well at all in Chrome while it rocks in Mozilla. It is really quite a shame since such declarative animation frameworks make awesome animations http://svg-wow.org/ easy, but browser vendors cannot be bothered to implement long standing specs. Ideally I'd just use addLoadHandler from http://www.w3.org/TR/SVG/script.html#EventAttributes, but it's not in the aforementioned SVG lib. I'll have to try doing it myself and see how it goes. Sincerely, Joseph -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/vD-gqLi6sA8J. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
how to write a 2D game by using GWT and html5.
I want to write a simple animated 2D game by using GWT and HTML5. The game basically needs to keep running several animations all the time, but I do not know what libraries or techniques I should use to achieve this. Based on my experience in GWT so far, I know I can just use plain GWT and GWT-animation to achieve what I want. This is the easiest way for me to achieve. However, I hope I can make the game look and feel a bit more professional and attractive. So GWT-Canvas may be the good option for me to write the animation. Physical reactions and Audio are also the important concern. Please give me some advices about the following questions. 1. To write the animations, which technique should I use, plain GWT-animation or GWT-Canvas+HTML5. Which one has better performance? (the game will be running on the webpage, so the level of performance is the most important for me) 2. Is there any good libs I should definitely use for writing 2d games? I do not prefer the complicated lib because my game is pretty simple. 3. I am considering using some game engine. My game is easy and simple, I could make a fake physical reactions by just using some math functions to run the animations. but if the game engine is easy and handy to use, then I would prefer using game engine. So is there any good one out there for beginners? 4. Please give me some advices about making the game audio. are there any good audio libraries for GWT projects? Thanks. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/ppy_atK6jRkJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: how to write a 2D game by using GWT and html5.
Have you looked at PlayN? http://code.google.com/p/playn/ On Tue, Aug 28, 2012 at 8:51 PM, Joey lihaizhou...@hotmail.com wrote: I want to write a simple animated 2D game by using GWT and HTML5. The game basically needs to keep running several animations all the time, but I do not know what libraries or techniques I should use to achieve this. Based on my experience in GWT so far, I know I can just use plain GWT and GWT-animation to achieve what I want. This is the easiest way for me to achieve. However, I hope I can make the game look and feel a bit more professional and attractive. So GWT-Canvas may be the good option for me to write the animation. Physical reactions and Audio are also the important concern. Please give me some advices about the following questions. 1. To write the animations, which technique should I use, plain GWT-animation or GWT-Canvas+HTML5. Which one has better performance? (the game will be running on the webpage, so the level of performance is the most important for me) 2. Is there any good libs I should definitely use for writing 2d games? I do not prefer the complicated lib because my game is pretty simple. 3. I am considering using some game engine. My game is easy and simple, I could make a fake physical reactions by just using some math functions to run the animations. but if the game engine is easy and handy to use, then I would prefer using game engine. So is there any good one out there for beginners? 4. Please give me some advices about making the game audio. are there any good audio libraries for GWT projects? Thanks. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/ppy_atK6jRkJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GWT 2.5 and IBM JVM problems
I still don`t really get the issue since this is only an issue while developing GWT (am I right?) As far as I know the jars we are packing (gwt-servlet,...) do not depend on a certain JVM. Can people who need an IBM JVM running for their servers not simply use the -noserver option with an Oracle JDK? -Daniel 2012/8/28 Brian Slesinsky skybr...@google.com Nobody is currently working on it. Perhaps someone should rebuild GWT using the IBM JDK to see if that's the issue. Setting serialVersionUID in all the Serializable compiler classes seems like a reasonable idea except that I wonder why removing the gwtar files didn't help? There shouldn't be incompatibilities for serialized object created and used in the same JVM. - Brian On Tuesday, August 28, 2012 8:38:09 AM UTC-7, apanizo wrote: Hi all, Someone can update us about the problems with GWT 2.5 and IBM JVM?? Related posts: https://groups.google.com/**forum/#!msg/gwt-steering/WGs-** uiyHQA8/Te0hEfj5miEJhttps://groups.google.com/forum/#!msg/gwt-steering/WGs-uiyHQA8/Te0hEfj5miEJ http://code.google.com/p/**google-web-toolkit/issues/**detail?id=7530http://code.google.com/p/google-web-toolkit/issues/detail?id=7530 Any news are very welcome... Thanks in advance, Adolfo. -- El precio es lo que pagas. El valor es lo que recibes. Warren Buffet -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/MHWe-sxmR-kJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
GwtQuery 1.2.0 was released
Dear GWT community, The GQuery team is proud to announce the version 1.2.0 of the library. We have been working hard in order to fix many issues and to achieve a closed jQuery API. Thanks for all contributors sending, fixing and testing the library. What's new : http://code.google.com/p/gwtquery/issues/list?can=1cursor=gwtquery%3A111q=status%3Afixed%20Milestone%3DRelease1.2 Project home page : http://code.google.com/p/gwtquery/ Downloads: http://code.google.com/p/gwtquery/wiki/Downloads Julien -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/fNHm2tLEFfcJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GwtQuery 1.2.0 was released
Good job as always ! Keep it up. 2012/8/28 Julien Dramaix julien.dram...@gmail.com Dear GWT community, The GQuery team is proud to announce the version 1.2.0 of the library. We have been working hard in order to fix many issues and to achieve a closed jQuery API. Thanks for all contributors sending, fixing and testing the library. What's new : http://code.google.com/p/**gwtquery/issues/list?can=1** cursor=gwtquery%3A111q=**status%3Afixed%20Milestone%**3DRelease1.2http://code.google.com/p/gwtquery/issues/list?can=1cursor=gwtquery%3A111q=status%3Afixed%20Milestone%3DRelease1.2 Project home page : http://code.google.com/p/**gwtquery/http://code.google.com/p/gwtquery/ Downloads: http://code.google.com/p/**gwtquery/wiki/Downloadshttp://code.google.com/p/gwtquery/wiki/Downloads Julien -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/fNHm2tLEFfcJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
GwtChosen: make your select boxes much more user-friendly
Dear community, I just released the first version of GwtChosen. GwtChosen is the entire rewritte in Google Web Toolkit of the Chosen component (http://harvesthq.github.com/chosen/) making this nice component available for all GWT developers. It is available as a +GwtQuery plugin or as a widget. Check the example and doc : http://jdramaix.github.com/gwtchosen/ Julien -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/p1ciZ8C3AcUJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Request for change of access control of CellTree.BasicStyle
On Tuesday, August 28, 2012 6:54:32 PM UTC+2, Thad wrote: A request/suggestion: In a future release, can com.google.gwt.user.cellview.client.CellTree.BasicStyle be made public? It's a bit of a bother to have to extend and modify com.google.gwt.user.cellview.client.CellTree.Style and hack all of CellTree.css when all I want to do is modify one thing in CellTreeBasic.css. AFAICT, you don't need BasicStyle. Using @Source(com/google/gwt/user/cellview/client/CellTreeBasic.css) should be enough to use (and/or override/customize) the basic style. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/msRkveov5hYJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GwtChosen: make your select boxes much more user-friendly
Great work! Thanks for sharing!! Juan 2012/8/28 Julien Dramaix julien.dram...@gmail.com Dear community, I just released the first version of GwtChosen. GwtChosen is the entire rewritte in Google Web Toolkit of the Chosen component (http://harvesthq.github.com/**chosen/http://harvesthq.github.com/chosen/) making this nice component available for all GWT developers. It is available as a +GwtQuery plugin or as a widget. Check the example and doc : http://jdramaix.github.com/**gwtchosen/http://jdramaix.github.com/gwtchosen/ Julien -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/p1ciZ8C3AcUJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GWT 2.5 and IBM JVM problems
On Tuesday, August 28, 2012 10:17:41 PM UTC+2, Daniel Kurka wrote: I still don`t really get the issue since this is only an issue while developing GWT (am I right?) As far as I know the jars we are packing (gwt-servlet,...) do not depend on a certain JVM. Can people who need an IBM JVM running for their servers not simply use the -noserver option with an Oracle JDK? No, it's an issue when compiling with the GWT Compiler while processing the gwtar files packaged in the gwt-user.jar (see issue 7530). And the Oracle JDK is apparently not an option on some OSes (see the thread in gwt-steering) Moreover, the fix seems to be rather simple: follow java.io.Serializable contract and provide an explicit serialVersionUID (and make sure we change it whenever we modify the classes) -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/CjrW5i6lkesJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GwtChosen: make your select boxes much more user-friendly
looks great.. will definitely try it! -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/gr2GL0QhTqsJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GWT 2.5 and IBM JVM problems
On Tuesday, August 28, 2012 1:45:42 PM UTC-7, Thomas Broyer wrote: On Tuesday, August 28, 2012 10:17:41 PM UTC+2, Daniel Kurka wrote: I still don`t really get the issue since this is only an issue while developing GWT (am I right?) As far as I know the jars we are packing (gwt-servlet,...) do not depend on a certain JVM. Can people who need an IBM JVM running for their servers not simply use the -noserver option with an Oracle JDK? No, it's an issue when compiling with the GWT Compiler while processing the gwtar files packaged in the gwt-user.jar (see issue 7530). And the Oracle JDK is apparently not an option on some OSes (see the thread in gwt-steering) Moreover, the fix seems to be rather simple: follow java.io.Serializable contract and provide an explicit serialVersionUID (and make sure we change it whenever we modify the classes) I talked to Ray a bit about this. We'd like to avoid setting serialVersionUID manually since it's another maintenance chore and we're sure to forget. We aren't doing long-term persistence, so the default way that serialVersionUID works should ensure that we rebuild gwttar whenever necessary. But perhaps this needs to be rebuilt when using IBM's JDK? I also don't understand why removing the gwtar file doesn't solve the problem. Something else is going on. - Brian -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/mL20gbO7f2AJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: FF DevMode plugin + Memory leaks (+ Address already in use)
Does the connection leak happen with all plugins (other than GWT) disabled? On Tuesday, August 28, 2012 7:57:37 AM UTC-7, Brian Slesinsky wrote: Thanks, I think I can do something about this. On Tue, Aug 28, 2012 at 2:15 AM, Thomas Broyer wrote: In other words: it looks like the Firefox plugin doesn't send a QuitMessage to the DevMode, and worse, is kept alive in the background! On Tuesday, August 28, 2012 11:05:38 AM UTC+2, Chris Lercher wrote: I analyzed this a bit more (this time on Linux), and I noticed, that the number of Thread also grows: 1 thread per reload. Again, this happens only with Firefox, not with Chrome. So probably the ClassLoader references will be discarded only when the Thread terminates... One more thing that might be interesting: When closing the entire FF instance (just closing the tab is not enough), then the threads are discarded, and Heap/PermGen space can be garbage collected. By the way, closing the FF instance leads to the following Exception printed by the DevMode server: 10:53:21.549 [ERROR] [mymodule] Remote connection lost com.google.gwt.dev.shell.BrowserChannel$RemoteDeathError: Remote connection lost at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:308) at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:547) at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:364) at java.lang.Thread.run(Thread.java:662) Caused by: java.io.EOFException: null at java.io.DataInputStream.readByte(DataInputStream.java:250) at com.google.gwt.dev.shell.BrowserChannel$Message.readMessageType(BrowserChannel.java:1100) at com.google.gwt.dev.shell.BrowserChannelServer.reactToMessages(BrowserChannelServer.java:284) at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:547) at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:364) at java.lang.Thread.run(Thread.java:662) On Tuesday, August 28, 2012 2:07:02 AM UTC+2, Brian Slesinsky wrote: That's an interesting report. We always want to garbage collect the ClassLoader when the session is over and if that doesn't happen, it's a bug. I don't know why Firefox would behave differently; the JVM side should work the same way for Firefox versus Chrome. The only thing I can think of is some difference in distributed garbage collection, but that shouldn't matter once the session ends. Alan's not on the team anymore. I'd like to fix this, but I'm busy with other things and I don't have a good idea where to begin. If someone's handy with a memory profiler, figuring out what's preventing the classloader from being gc-ed in this case would be very useful. - Brian -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/YxkUXpopHQYJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Best serverside architecture(framework/stack) to use with GWT for large application...please show me the light
Hi Derek, After do some more research and receiving some more advice from others and another helpful answer on SO I'll be going with Spring (I agree about the XML, but they have introduced/incorporated more annotations since the earlier versions). However what you detailed still makes a lot of sense, and also very helpful, so I won't be ignoring it :). Although Guice and Spring might be over doing it, I think GIN on the client side is still worthwhile and you've pretty much sold me. Also the Activitys and Places. Thanks again for all the insight, much appreciated. -Seth On Tuesday, August 28, 2012 4:12:43 PM UTC+2, Derek wrote: Hi Seth, I personally am not a fan of Spring. I'm generally not a fan of anything that says, First, create a bunch of XML files (GWT excepted :) ). That's why I gravitated to Guice for all my DI needs. That said, Guice and Spring aren't quite the same thing, and you could leverage both of them. However, it is probably unnecessary to do both Guice and Spring in a GWT app. You can do anything with one DI framework that you can do with the other, and if you are leaning to Spring, you make a fine choice and you can ignore the rest of my post. At my workplace, the way we do GWT projects is we create a WebXml.java in the server package that implements GuiceServletContextListener and point the web.xml to that class. The WebXml contains servlet mapping modules, db connection modules, and other Guice modules as needed. On the client side, we generally use MVP structure with GIN. The MVP structure is a lifesaver for large projects in my mind. Our more recent projects have used the Activity and Places framework described on GWT's website with the main exception that the ClientFactory object is unnecessary since GIN provides the various resources instead of ClientFactory. At my work we've got two projects that clock in around 34k and 46k lines of Java (not including XML or other artifacts) as well as smaller projects and they use the methodology I described. Derek On Monday, August 27, 2012 5:18:13 PM UTC-4, GWTter wrote: Hi Derek, Thanks a lot for the reply. I did consider Guice for DI on the serverside but not sure if it would be redundant if using a framework like Spring. I do want to utilize RF though as it has a nice set of features which I'd like to include, e.g. caching and only delta posts. And I'll definitely take a look at GIN again since DI on my clientside might be pretty nice too. Thanks again, -Seth On Monday, August 27, 2012 4:05:05 PM UTC+2, Derek wrote: I use Guice on the server side and GIN on the client side. I generally use DTOs over GWT-RPC since RequestFactory isn't what I need / want to migrate to. On Saturday, August 25, 2012 7:48:12 PM UTC-4, GWTter wrote: Hi all, I've been doing research on this for the past 2, almost 3 days now. I feel like I've googled everything under the sun on the matter (including these forums) and am almost all tutorialed-out. Before I go into any more details on the question I just want to give a quick overview of the scope and plan for the project to see what will suit it best: -Large application, non-trivial -50+ DB tables -Large user base -User management/authentication/sessions -transactions -security -MVP (as per GWT recommendation) -focus on performance and scalability (naturally :), am using GWT after all) I've also read and watched all of the best practices on architecture for large applications (Google/GWT). Now in the last talk I could find on best architecture practices involving GWT was back in 2010 by Ray Ryan in which he states that they don't think JavaBeans and property change events work terribly well so it's better to use DTOs for the Model. My big questions are if this is still the belief and the recommended route, and if so, what should I be looking at in order to achieve this? a Framework? My preference would be to keep coding in Java on the serverside since I'm already doing so with GWT on the client. I've been investigating serverside frameworks and seem to have arrive at 2: Seam or Spring? However I can figure out which of these are best suited for the task. All of the doc I've found out there discussing the issue is at the most recent about a year old but most of it is from =2010 so it makes it even harder to tell considering that both of these frameworks have evolved considerably since then. There's also been the coming of JEE 6. Can anyone give any insight on who's best suited for the task, or what I should do to fulfill my requirements but stay inline with what is recommended by GWT? I know I only mentioned Seam and Spring since that's what I've been led to mostly, but I'm open to any suggestions that fit what I'm looking for. I've already ruled a couple of solutions such as Spring Roo for this kind of task. This is my first project of this scale and the
Re: FF DevMode plugin + Memory leaks (+ Address already in use)
Yes. I disabled all Add-Ons: All Extensions (except for the GWT Extension) and all Plugins, and restarted Firefox. On Wednesday, August 29, 2012 12:12:03 AM UTC+2, Brian Slesinsky wrote: Does the connection leak happen with all plugins (other than GWT) disabled? -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/Y47n4p71LKAJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GwtChosen: make your select boxes much more user-friendly
Very useful. Great widget. On Tuesday, August 28, 2012 10:34:09 PM UTC+2, Julien Dramaix wrote: Dear community, I just released the first version of GwtChosen. GwtChosen is the entire rewritte in Google Web Toolkit of the Chosen component (http://harvesthq.github.com/chosen/) making this nice component available for all GWT developers. It is available as a +GwtQuery plugin or as a widget. Check the example and doc : http://jdramaix.github.com/gwtchosen/ Julien -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/Z8P3L76eDXEJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
how to write a 2D game by using GWT and html5.
I love GWT, but I think it's the wrong choice for a simple game. Take a look at my game: www.playgrape.com. I did it in jQuery using canvas. It has its own physics engine with collision detection, etc., and the total size of the game is less than 6kB (plus jQuery). Even a simple GWT app will get you over 300kB very quickly, even more with RequestFactory. Unless you have a lot of complex data entities and a complicated UI (many different views, panels, popups), jQuery is a better option. As for the third party libraries, I would not recommend any for a simple game. Libraries I looked at were heavy and geared for more complex games. Drawing on canvas is pretty simple. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/EO3qiQDXWfAJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
SmartScreen Filter performance issue in IE8
Hi, In IE8, our GWT application seems to suffer significant slowdown when we have slow PCs and smart screen filter on. Profiling the code, it looks like the problem is with com.google.gwt.user.client.impl.DOMImpl.setEventListener. We are generating a very large amount of HTML when we assign do the assignment in this method, we get the slowdown (based on profiling results. Has anyone encountered this issue and if so, how did you rectify it. Thanks. Kamal. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/tqM_3Sn_iQcJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Login form auto-complete and GWT-RPC (or RequestBuilder), a solution!
Just for autocomplete. If you don't care about autocomplete, I'd recommend
doing it as you say with GWT RPC.
On Tuesday, 28 August 2012 22:19:37 UTC+10, Fille wrote:
Is there any reason for not using just gwt HTML or somthing else with
@UiHandler(loginButton) to make a RPC-call for log in?
Ex:
UiBinder:
g:HTMLPanel
g:TextBox ui:field=username /
g:PasswordTextBox ui:field=password /
g:HTML ui:field=loginButton LOGIN /g:HTML
/g:HTMLPanel
Composite:
@UiHandler(loginButton)
void onLoginClick(ClickEvent e) {
// make RPC-call and validate user.
}
Or is it just for autocomplete?
Den torsdagen den 26:e februari 2009 kl. 18:21:23 UTC+1 skrev Thomas
Broyer:
If you want to have browsers auto-complete username/password in your
application's login form, you probably did (*I* did) this:
1. follow recommandations from
http://code.google.com/p/google-web-toolkit-incubator/wiki/LoginSecurityFAQ,
i.e. your form and fields have to be in the original markup and you
mustn't use .submit() but let the browser submit using, say... a
submit button?
2. use something like that in your code:
// note the true second argument, to create a hidden iframe
FormPanel form = FormPanel.wrap(Document.get().getElementById
(login), true);
form.addFormPanel(new FormPanel() {
public void onSubmit(FormSubmitEvent event) {
// do some validation before submitting (non-empty fields)
// and call event.setCancelled(true) if needed.
}
public void onSubmitComplete(FormSubmitCompleteEvent event) {
// somehow parse event.getResults() to know whether it
// succeeded or not.
}
});
3. Your server have to send its response in with Content-Type:text/
html, even if its JSON (hence the parse above)
But there's actually an alternative!
It never occured to me before someone pointed me to a login page that
does it: if your form submits to a javascript: URL, then the browser's
auto-complete feature will work (provided the form and fields were
in the original HTML page markup, same limitation as above).
What it means is that you can use GWT-RPC or RequestBuilder!!!
Your code now looks like:
private static native void injectLoginFunction() /*-{
$wnd.__gwt_login = @com.example.myapp.client.App::doLogin();
}-*/;
private static void doLogin() {
// get the fields values and do your GWT-RPC call or
// RequestBuilder thing here.
}
...
// notice that we now pass false as the second argument
FormPanel form = FormPanel.wrap(Document.get().getElementById
(login), false);
form.setAction(javascript:__gwt_login());
And of course, you can still validate the form before it's submitted:
form.addFormPanel(new FormPanel() {
public void onSubmit(FormSubmitEvent event) {
// do some validation before submitting (non-empty fields)
// and call event.setCancelled(true) if needed.
}
public void onSubmitComplete(FormSubmitCompleteEvent event) {
// will never be called.
}
});
Tested in IE7, Firefox 3.0 and Opera 10alpha; please update if it
works (or doesn't work) for you in other browsers.
The previous solution (using the iframe) was successfully tested in
IE6, IE7, IE8 (beta 1 at that time), Firefox 2 and 3.0, Opera (9.62 at
that time), Safari 3 for Windows and Google Chrome (1 and 2).
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Re: Override body style with CssResource
Thank you Jens. That's exactly what I missed (StandardResources). Instead
of making the modified css as pat of my ClientBundle, I serve it as a flat
CSS file. It works perfectly! I thought this should be a rather common
thing to do but apparently not
Charles
On Tuesday, August 28, 2012 2:11:24 PM UTC-4, Jens wrote:
You can inherit StandardResources.gwt.xml instead of Standard.gwt.xml.
When you do so, only the images used by the standard theme will be copied
to your app folder and no CSS will be automatically included in your host
page.
Then you create a new css file and copy everything from gwt's theme to
your new css file and make modifications to it. Then you create a
ClientBundle like
interface AppClientBundle extends ClientBundle {
@Source(yourModifiedTheme.css)
@NotStrict //Not sure if its needed but I guess it is.
CssResource themeCss();
}
and instantiate it in your onModuleLoad():
public void onModuleLoad() {
AppClientBundle bundle = GWT.create(AppClientBundle.class);
bundle.themeCss().ensureInjected(); //injects the CSS into the HTML page.
}
The result is:
- The CSS code is now embedded in your JavaScript file, which saves a
download request (you dont have a link href=theme.css / tag
anymore)
- You can control when the CSS should be injected into your HTML file
during app startup.
-- J.
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Re: Best serverside architecture(framework/stack) to use with GWT for large application...please show me the light
Would you give the detail about how to handle history using GIN, Activity and Place. Is it possible to implement GWT-platform way? Thanks, James, On Tuesday, August 28, 2012 10:12:43 AM UTC-4, Derek wrote: Hi Seth, I personally am not a fan of Spring. I'm generally not a fan of anything that says, First, create a bunch of XML files (GWT excepted :) ). That's why I gravitated to Guice for all my DI needs. That said, Guice and Spring aren't quite the same thing, and you could leverage both of them. However, it is probably unnecessary to do both Guice and Spring in a GWT app. You can do anything with one DI framework that you can do with the other, and if you are leaning to Spring, you make a fine choice and you can ignore the rest of my post. At my workplace, the way we do GWT projects is we create a WebXml.java in the server package that implements GuiceServletContextListener and point the web.xml to that class. The WebXml contains servlet mapping modules, db connection modules, and other Guice modules as needed. On the client side, we generally use MVP structure with GIN. The MVP structure is a lifesaver for large projects in my mind. Our more recent projects have used the Activity and Places framework described on GWT's website with the main exception that the ClientFactory object is unnecessary since GIN provides the various resources instead of ClientFactory. At my work we've got two projects that clock in around 34k and 46k lines of Java (not including XML or other artifacts) as well as smaller projects and they use the methodology I described. Derek On Monday, August 27, 2012 5:18:13 PM UTC-4, GWTter wrote: Hi Derek, Thanks a lot for the reply. I did consider Guice for DI on the serverside but not sure if it would be redundant if using a framework like Spring. I do want to utilize RF though as it has a nice set of features which I'd like to include, e.g. caching and only delta posts. And I'll definitely take a look at GIN again since DI on my clientside might be pretty nice too. Thanks again, -Seth On Monday, August 27, 2012 4:05:05 PM UTC+2, Derek wrote: I use Guice on the server side and GIN on the client side. I generally use DTOs over GWT-RPC since RequestFactory isn't what I need / want to migrate to. On Saturday, August 25, 2012 7:48:12 PM UTC-4, GWTter wrote: Hi all, I've been doing research on this for the past 2, almost 3 days now. I feel like I've googled everything under the sun on the matter (including these forums) and am almost all tutorialed-out. Before I go into any more details on the question I just want to give a quick overview of the scope and plan for the project to see what will suit it best: -Large application, non-trivial -50+ DB tables -Large user base -User management/authentication/sessions -transactions -security -MVP (as per GWT recommendation) -focus on performance and scalability (naturally :), am using GWT after all) I've also read and watched all of the best practices on architecture for large applications (Google/GWT). Now in the last talk I could find on best architecture practices involving GWT was back in 2010 by Ray Ryan in which he states that they don't think JavaBeans and property change events work terribly well so it's better to use DTOs for the Model. My big questions are if this is still the belief and the recommended route, and if so, what should I be looking at in order to achieve this? a Framework? My preference would be to keep coding in Java on the serverside since I'm already doing so with GWT on the client. I've been investigating serverside frameworks and seem to have arrive at 2: Seam or Spring? However I can figure out which of these are best suited for the task. All of the doc I've found out there discussing the issue is at the most recent about a year old but most of it is from =2010 so it makes it even harder to tell considering that both of these frameworks have evolved considerably since then. There's also been the coming of JEE 6. Can anyone give any insight on who's best suited for the task, or what I should do to fulfill my requirements but stay inline with what is recommended by GWT? I know I only mentioned Seam and Spring since that's what I've been led to mostly, but I'm open to any suggestions that fit what I'm looking for. I've already ruled a couple of solutions such as Spring Roo for this kind of task. This is my first project of this scale and the last thing I want to do is head down a path and figure out that I've wasted a lot of my and my team's time and energy because of some wrong decisions I made at the get-go. Thanks a lot in advance for your help, I really just want to figure this out so I can get back to coding instead of googling the ends of the earth ;). -Seth -- You received this message because you are subscribed to the Google Groups Google Web
Re: Cloning EntityProxies
This works! Thanks. (just wanted to state that for the record). On Thursday, April 12, 2012 11:57:27 AM UTC-4, gwtomni gwtomni wrote: try with this: AutoBeanT oldBean = AutoBeanUtils.getAutoBean(oldProxy); AutoBeanT newBean = AutoBeanUtils.getAutoBean(newProxy); AutoBeanCodex.decodeInto(AutoBeanCodex.encode(oldBean), newBean); newProxy = newBean.as(); context.edit(newProxy); -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/l09JgT65m-cJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: FF DevMode plugin + Memory leaks (+ Address already in use)
Reproduced the thread leak in the Firefox 15 release that I'm working on. (On a Mac; using jps to list the threads.) On Tuesday, August 28, 2012 3:31:10 PM UTC-7, Chris Lercher wrote: Yes. I disabled all Add-Ons: All Extensions (except for the GWT Extension) and all Plugins, and restarted Firefox. On Wednesday, August 29, 2012 12:12:03 AM UTC+2, Brian Slesinsky wrote: Does the connection leak happen with all plugins (other than GWT) disabled? -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/Q7LNeHh71V0J. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
[gwt-contrib] Use c.g.g.core.shared.GWT in shared code. (issue1818803)
Reviewers: skybrian, Message: For inclusion in GWT 2.5 Description: Use c.g.g.core.shared.GWT in shared code. Issue 7527 Please review this at https://gwt-code-reviews.appspot.com/1818803/ Affected files: M user/src/com/google/gwt/dom/builder/shared/ElementBuilderFactory.java M user/src/com/google/gwt/dom/builder/shared/ElementBuilderImpl.java M user/src/com/google/gwt/dom/builder/shared/HtmlStylesBuilder.java M user/src/com/google/gwt/place/shared/PlaceController.java M user/src/com/google/gwt/place/shared/PlaceHistoryHandler.java M user/src/com/google/gwt/place/shared/PlaceHistoryMapper.java M user/src/com/google/gwt/safecss/shared/SafeStylesHostedModeUtils.java M user/src/com/google/gwt/safecss/shared/SafeStylesUtils.java M user/src/com/google/gwt/safehtml/shared/SafeHtmlHostedModeUtils.java M user/src/com/google/gwt/safehtml/shared/SafeUriHostedModeUtils.java M user/src/com/google/gwt/safehtml/shared/UriUtils.java M user/src/com/google/web/bindery/autobean/shared/ValueCodexHelper.java Index: user/src/com/google/gwt/dom/builder/shared/ElementBuilderFactory.java diff --git a/user/src/com/google/gwt/dom/builder/shared/ElementBuilderFactory.java b/user/src/com/google/gwt/dom/builder/shared/ElementBuilderFactory.java index 31da8b1480277ebac5fde0edaa99c23093fd89eb..76e34a051f0381ae76d912b9ec421782dfba0c38 100644 --- a/user/src/com/google/gwt/dom/builder/shared/ElementBuilderFactory.java +++ b/user/src/com/google/gwt/dom/builder/shared/ElementBuilderFactory.java @@ -15,7 +15,7 @@ */ package com.google.gwt.dom.builder.shared; -import com.google.gwt.core.client.GWT; +import com.google.gwt.core.shared.GWT; /** * Factory for creating element builders. Index: user/src/com/google/gwt/dom/builder/shared/ElementBuilderImpl.java diff --git a/user/src/com/google/gwt/dom/builder/shared/ElementBuilderImpl.java b/user/src/com/google/gwt/dom/builder/shared/ElementBuilderImpl.java index 131e4de96b696aa601deaedbbcf4b6f3765f2e4e..1f6949328e0dae30b860baa167a1f9826c2b393b 100644 --- a/user/src/com/google/gwt/dom/builder/shared/ElementBuilderImpl.java +++ b/user/src/com/google/gwt/dom/builder/shared/ElementBuilderImpl.java @@ -15,7 +15,7 @@ */ package com.google.gwt.dom.builder.shared; -import com.google.gwt.core.client.GWT; +import com.google.gwt.core.shared.GWT; import com.google.gwt.dom.client.Element; import com.google.gwt.regexp.shared.RegExp; import com.google.gwt.safehtml.shared.SafeHtml; Index: user/src/com/google/gwt/dom/builder/shared/HtmlStylesBuilder.java diff --git a/user/src/com/google/gwt/dom/builder/shared/HtmlStylesBuilder.java b/user/src/com/google/gwt/dom/builder/shared/HtmlStylesBuilder.java index 2c1276951ae3788d038d1e2719c852aa299d4669..ce8cd98021e5e839d8b8e37a8de267f198e18de8 100644 --- a/user/src/com/google/gwt/dom/builder/shared/HtmlStylesBuilder.java +++ b/user/src/com/google/gwt/dom/builder/shared/HtmlStylesBuilder.java @@ -15,8 +15,8 @@ */ package com.google.gwt.dom.builder.shared; -import com.google.gwt.core.client.GWT; import com.google.gwt.core.client.JavaScriptObject; +import com.google.gwt.core.shared.GWT; import com.google.gwt.dom.client.Style.BorderStyle; import com.google.gwt.dom.client.Style.Cursor; import com.google.gwt.dom.client.Style.Display; Index: user/src/com/google/gwt/place/shared/PlaceController.java diff --git a/user/src/com/google/gwt/place/shared/PlaceController.java b/user/src/com/google/gwt/place/shared/PlaceController.java index 21b80eb2b41f18beaa8d2a1d3839889f7668dee4..a34d8178f84e037a1df5b8dbb2f86d1046f215fd 100644 --- a/user/src/com/google/gwt/place/shared/PlaceController.java +++ b/user/src/com/google/gwt/place/shared/PlaceController.java @@ -15,7 +15,7 @@ */ package com.google.gwt.place.shared; -import com.google.gwt.core.client.GWT; +import com.google.gwt.core.shared.GWT; import com.google.gwt.event.shared.HandlerRegistration; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.Window.ClosingEvent; Index: user/src/com/google/gwt/place/shared/PlaceHistoryHandler.java diff --git a/user/src/com/google/gwt/place/shared/PlaceHistoryHandler.java b/user/src/com/google/gwt/place/shared/PlaceHistoryHandler.java index af138bde5f0c2f2947e75d155a80295c10770bb4..e0b37bd92093c0e9c7732d73a75bdf605ed3048b 100644 --- a/user/src/com/google/gwt/place/shared/PlaceHistoryHandler.java +++ b/user/src/com/google/gwt/place/shared/PlaceHistoryHandler.java @@ -15,7 +15,7 @@ */ package com.google.gwt.place.shared; -import com.google.gwt.core.client.GWT; +import com.google.gwt.core.shared.GWT; import com.google.gwt.event.logical.shared.ValueChangeEvent; import com.google.gwt.event.logical.shared.ValueChangeHandler; import com.google.gwt.event.shared.LegacyHandlerWrapper; Index: user/src/com/google/gwt/place/shared/PlaceHistoryMapper.java diff --git a/user/src/com/google/gwt/place/shared/PlaceHistoryMapper.java
[gwt-contrib] Re: Use c.g.g.core.shared.GWT in shared code. (issue1818803)
LGTM, as far as it goes However, when you use GWT.create in non-client code, there is some setup you need to do - you have to create the ServerGwtBridge, set the deferred binding properties (either globally or per-thread), and you need to register any ClassInstantiators you need for the various GWT.create calls. Look at ServerGwtBridgeTest for some examples. I haven't looked at the usages in these files, but basically the only things GWT.create knows how to do out of the box right now on the server is to find the local-specific classes for subtypes of Localizable and to do new FooImpl() or new Foo() for GWT.create(Foo.class). Most likely, you will also need to create and register additional class instantiators for the GWT.create usages here, and then document what additional properties need to be setup for server-side usage. https://gwt-code-reviews.appspot.com/1818803/ -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
[gwt-contrib] Re: Use c.g.g.core.shared.GWT in shared code. (issue1818803)
On 2012/08/28 13:17:58, jtamplin wrote: LGTM, as far as it goes However, when you use GWT.create in non-client code, there is some setup you need to do - you have to create the ServerGwtBridge, set the deferred binding properties (either globally or per-thread), and you need to register any ClassInstantiators you need for the various GWT.create calls. Look at ServerGwtBridgeTest for some examples. I haven't looked at the usages in these files, but basically the only things GWT.create knows how to do out of the box right now on the server is to find the local-specific classes for subtypes of Localizable and to do new FooImpl() or new Foo() for GWT.create(Foo.class). Most likely, you will also need to create and register additional class instantiators for the GWT.create usages here, and then document what additional properties need to be setup for server-side usage. This is only about fixing NoClassDefFoundErrors on server-side, as c.g.g.client.GWT is not included in gwt-servlet.jar. In most cases, it's only used for GWT.isClient() or GWT.isScript() to switch strategy depending on whether it's in a VM and/or DevMode, or compiled to JS. Most uses of GWT.create are conditionned by such tests, so won't be an issue. There are a couple uses of GWT.create without those checks though, but they're only there for convenience and wouldn't work outside DevMode anyway: - PlaceController's Delegate to default to DefaultDelegate, which relies on c.g.g.u.c.Window.prompt() - PlaceHistoryHandler's Historian to default to DefaultHistorian, which relies on c.g.g.u.c.History https://gwt-code-reviews.appspot.com/1818803/ -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
[gwt-contrib] Re: Use c.g.g.core.shared.GWT in shared code. (issue1818803)
LGTM, but I'm not going to be able to submit this right away. (Working on Firefox plugin.) https://gwt-code-reviews.appspot.com/1818803/ -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
Re: [gwt-contrib] devmode for Firefox 15
On Mon, Aug 27, 2012 at 7:35 PM, Brian Slesinsky skybr...@google.comwrote: While I'm here, does anyone know what the deal is with 32-bit versus 64-bit architecture on the Mac? It looks like we only have one Darwin directory per gecko version under plugin-sdks, unlike Linux where we have both 32-bit and 64-bit. Mac uses fat binaries/libraries, so multiple architectures are stuffed into one file. Older versions had ppc and x86, now they have x86 and x86_64. IIRC, you have to pass extra -arch flags for each architecture you want to build/link. -- John A. Tamplin -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
Re: [gwt-contrib] devmode for Firefox 15
Yep, figured it out. I'll have a new release out soon (after some testing). On Tue, Aug 28, 2012 at 9:23 PM, John A. Tamplin j...@jaet.org wrote: On Mon, Aug 27, 2012 at 7:35 PM, Brian Slesinsky skybr...@google.com wrote: While I'm here, does anyone know what the deal is with 32-bit versus 64-bit architecture on the Mac? It looks like we only have one Darwin directory per gecko version under plugin-sdks, unlike Linux where we have both 32-bit and 64-bit. Mac uses fat binaries/libraries, so multiple architectures are stuffed into one file. Older versions had ppc and x86, now they have x86 and x86_64. IIRC, you have to pass extra -arch flags for each architecture you want to build/link. -- John A. Tamplin -- http://groups.google.com/group/Google-Web-Toolkit-Contributors -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
