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Custom Method [message #673782]

Tue, 24 May 2011 17:55

Oussema

Messages: 11
Registered: April 2011

Junior Member

Hi all

,
I'm working on a plugin project which have to extend GWT Designer and WindowBuilder.
So I created a custom button which is based on a simple GXT Button.
My button looks like that:
import com.extjs.gxt.ui.client.widget.button.Button;
public class MyButton extends Button
{
Button button=new Button("My Button");
public void setService(MyService1 service1,MyService2 service2){
...
}
}

I added my custom button to the palette by creating wbp-meta folder, etc.
I wanted to add a property to my custom Button to be able to invoke the method "setService". So i modified MyButton.wbp-component.xml like this:
<?xml version="1.0" encoding="UTF-8"?>
<component xmlns="http://www.instantiations.com/D2/WBPComponent">
...
<methods>
<method name="addListner">
<parameter type="com.services.MyService1">
<editor id="serviceEditor">
</parameter>
<parameter type="com.services.MyService1">
<editor id="serviceEditor">
</parameter>
</method>
</methods>
<method-property title="service" method="setService(com.services.MyService1,com.services.MyService2)"/>
</component>

For this purpose i developped the servicePropertyEditor which extends AbstractComboPropertyEditor which is located in the package "org.eclipse.wb.internal.core.model.property.editor".

When i add my custom button from the palette into an EntryPoint for example, I try to modify the Service Property which appear in the Properties View but an exception in GWT Designer like that:
"WindowBuilder internal error
org.eclipse.wb.internal.core.utils.check.AssertionFailedException: null argument:"

I didn't understand what's the real problem.
Please help me to find a solution
Hope that it was clear.

Best Regards

Oussema

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Re: Custom Method [message #673818 is a reply to message #673782]

Tue, 24 May 2011 20:38

Konstantin Scheglov

Messages: 555
Registered: July 2009

Senior Member

I also don't understand why it fails.
May be there is something in logs.

Try to create error report and send it to where GWT Designer asks you to send.

Konstantin Scheglov,
Google, Inc.

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Re: Custom Method [message #674058 is a reply to message #673818]

Wed, 25 May 2011 17:06

Eric Clayberg

Messages: 979
Registered: July 2009
Location: Boston, MA

Senior Member

GWT Designer issues should be reported to the GWT issue tracker...

http://code.google.com/webtoolkit/lifeofanissue.html

http://code.google.com/p/google-web-toolkit/issues/list

General WindowBuilder issues (like exceptions in WB core) should be reported to Eclipse Bugzilla (Tools > WindowBuilder)...

https://bugs.eclipse.org/bugs/

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