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Question must be easily answerable.... Please help.
Thanks.
- vinayak
On Feb 17, 11:17 am, vinayak <[email protected]> wrote:
> Hello,
> I am a newbie to GWT and using gwt 2.0 and now gwt 2.0.2 to
> create my web application. (Actually I am converting my existing app
> to a gwt app...). To do this I am trying one small example. To avoid
> very large .no-cache.js file and large first page Ioad time, I have
> created 1 module (e.g. MyModule) and I am using it in my main gwt
> project by inheriting it. My main project name is MyModuleUsage.
>
> Here is the code in MyModule. This has no entrypoint class. It has one
> MyForm class, one DetailsService and .gwt.xml file. (given below)
>
> public class MyForm extends Composite {
> // Code to create my form
>
> }
>
> MyModule.xml:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <module rename-to='mymodule'>
> <inherits name='com.google.gwt.user.User'/>
> <source path='client'/>
> </module>
>
> After creating this module, I created MyModule.jar with src and class
> files as described on
>
> http://developerlife.com/tutorials/?p=229 (Although it was for
> gwt1.4 and IDEA, I could use that info on gwt 2.0 and eclipse.)
>
> I created MyModule.jar manually by copying src and class files in
> required dir structure. ( I hope there is some utility of gwt itself
> to create one...please let me know if any)
>
> Code for MyModuleUsage is as given below.
>
> public class MyModuleUsage implements EntryPoint {
>
> public void onModuleLoad() {
> // My buttons and textboxes and tables....
> MyForm myform = new
> MyForm(); // This is from inherited
> module.
> RootPanel.get("MyMod").add(myform.asWidget());
> // some more buttons...and their click handlers..
>
> }
>
> MyModuleUsage.gwt.xml
>
> <?xml version="1.0" encoding="UTF-8"?>
> <module rename-to='mymoduleusage'>
> <inherits name='com.google.gwt.user.User'/>
> <inherits name='com.mycompany.my.MyModule'/>
> <inherits name='com.google.gwt.user.theme.standard.Standard'/>
> <entry-point class='com.mycomany.your.client.MyModuleUsage'/>
> <source path='client'/>
> <source path='shared'/>
> </module>
>
> There is one more service of this project itself to handle clicks of
> buttons created inside MyModuleUsage..
>
> Now if I run MyModuleUsage then I get required output. Click on
> buttons of Myform are handled by service inside MyModule and click on
> buttons of MyModuleUsage are handled by service inside MyModuleUsage
> as expected. This gives me a feeling that I can use MyModule as
> indepedent component which I can use any other gwt project.
>
> If I do a gwtcompilationof MyModuleUsage in eclipse then generated
> no-cache.js file is of 6 kb and cache.html file is of 80 kb.
>
> If I write code to generate same UI and service inside a single module
> then generated no-cache.js file is of 10 kb and cache.html file is of
> 230 kb.
>
> My question is , the way I am using multiple modules to reduce files
> sizes, is it correct or no ?
> Second I have never gwt compiled MyModule independently. so when
> exactly it gets compiled ?
> where are the compiled files for MyModule.
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