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XWT. TreeViewer with TreeColumn. [message #526947]

Tue, 13 April 2010 14:43

Konstantin Scheglov

Messages: 555
Registered: July 2009

Senior Member

Following code causes exception.
It seems that by some reason "headerVisible" is trying to apply to TreeColumn instead of Tree itself.

Same code, with replacement of word "Tree" with "Table" works without any problem.

<Shell xmlns="http://www.eclipse.org/xwt/presentation" xmlns:x="http://www.eclipse.org/xwt">
	<Shell.layout>
		<RowLayout/>
	</Shell.layout>
	<TreeViewer x:Style="BORDER">
		<TreeViewer.tree headerVisible="true" linesVisible="true">
			<TreeColumn text="New Column" width="100"/>
		</TreeViewer.tree>
	</TreeViewer>
</Shell>

java.lang.IllegalArgumentException: object is not an instance of declaring class
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.eclipse.e4.xwt.javabean.metadata.properties.BeanProperty.setValue(BeanProperty.java:72)
	at org.eclipse.e4.xwt.javabean.ResourceLoader.initSegmentAttribute(ResourceLoader.java:1610)
	at org.eclipse.e4.xwt.javabean.ResourceLoader.initAttribute(ResourceLoader.java:1388)
	at org.eclipse.e4.xwt.javabean.ResourceLoader.init(ResourceLoader.java:1056)
	at org.eclipse.e4.xwt.javabean.ResourceLoader.initSegmentAttribute(ResourceLoader.java:1643)
	at org.eclipse.e4.xwt.javabean.ResourceLoader.initAttribute(ResourceLoader.java:1388)
	at org.eclipse.e4.xwt.javabean.ResourceLoader.init(ResourceLoader.java:1056)
	at org.eclipse.e4.xwt.javabean.ResourceLoader.doCreate(ResourceLoader.java:622)
	at org.eclipse.e4.xwt.javabean.ResourceLoader.doCreate(ResourceLoader.java:658)
	at org.eclipse.e4.xwt.javabean.ResourceLoader.createCLRElement(ResourceLoader.java:363)
	at org.eclipse.e4.xwt.internal.core.Core.createCLRElement(Core.java:606)
	at org.eclipse.e4.xwt.internal.core.Core.load(Core.java:646)
	at org.eclipse.e4.xwt.internal.core.Core.load(Core.java:633)
	at org.eclipse.e4.xwt.XWTLoader.loadWithOptions(XWTLoader.java:835)
	at org.eclipse.e4.xwt.XWTLoader$1.run(XWTLoader.java:768)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
	at org.eclipse.e4.xwt.XWTLoader.open(XWTLoader.java:762)
	at org.eclipse.e4.xwt.XWTLoader.open(XWTLoader.java:714)
	at org.eclipse.e4.xwt.XWT.open(XWT.java:416)
	at test.MyTest.main(MyTest.java:21)

Konstantin Scheglov,
Google, Inc.

[Updated on: Tue, 13 April 2010 15:06]

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Re: XWT. [message #527124 is a reply to message #526947]

Wed, 14 April 2010 07:48

Yves YANG

Messages: 688
Registered: July 2009

Senior Member

The tests on Tree is limited. Please fill a bug and we will take care of it
ASAP.

Thanks
yves
"Konstantin Scheglov" <Konstantin.Scheglov@gmail.com> wrote in message
news:hq1vv2$1t8$1@build.eclipse.org...
> Following code causes exception.
> It seems that by some reason "headerVisible" is trying to apply to
> TreeColumn instead of Tree itself.
>
> Same code, with replacement of word "Tree" with "Table" works without any
> problem.
>
> <Shell xmlns="http://www.eclipse.org/xwt/presentation"
> xmlns:x="http://www.eclipse.org/xwt">
> <Shell.layout>
> <RowLayout/>
> </Shell.layout>
> <TreeViewer x:Style="BORDER">
> <TreeViewer.tree headerVisible="true" linesVisible="true">
> <TreeColumn text="New Column" width="100"/>
> </TreeViewer.tree>
> </TreeViewer>
> </Shell>
>
> java.lang.IllegalArgumentException: object is not an instance of declaring
> class
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe thodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.eclipse.e4.xwt.javabean.metadata.properties.BeanProperty .setValue(BeanProperty.java:72)
> at
> org.eclipse.e4.xwt.javabean.ResourceLoader.initSegmentAttrib ute(ResourceLoader.java:1610)
> at
> org.eclipse.e4.xwt.javabean.ResourceLoader.initAttribute(Res ourceLoader.java:1388)
> at
> org.eclipse.e4.xwt.javabean.ResourceLoader.init(ResourceLoad er.java:1056)
> at
> org.eclipse.e4.xwt.javabean.ResourceLoader.initSegmentAttrib ute(ResourceLoader.java:1643)
> at
> org.eclipse.e4.xwt.javabean.ResourceLoader.initAttribute(Res ourceLoader.java:1388)
> at
> org.eclipse.e4.xwt.javabean.ResourceLoader.init(ResourceLoad er.java:1056)
> at
> org.eclipse.e4.xwt.javabean.ResourceLoader.doCreate(Resource Loader.java:622)
> at
> org.eclipse.e4.xwt.javabean.ResourceLoader.doCreate(Resource Loader.java:658)
> at
> org.eclipse.e4.xwt.javabean.ResourceLoader.createCLRElement( ResourceLoader.java:363)
> at org.eclipse.e4.xwt.internal.core.Core.createCLRElement(Core. java:606)
> at org.eclipse.e4.xwt.internal.core.Core.load(Core.java:646)
> at org.eclipse.e4.xwt.internal.core.Core.load(Core.java:633)
> at org.eclipse.e4.xwt.XWTLoader.loadWithOptions(XWTLoader.java: 835)
> at org.eclipse.e4.xwt.XWTLoader$1.run(XWTLoader.java:768)
> at
> org.eclipse.core.databinding.observable.Realm.runWithDefault (Realm.java:332)
> at org.eclipse.e4.xwt.XWTLoader.open(XWTLoader.java:762)
> at org.eclipse.e4.xwt.XWTLoader.open(XWTLoader.java:714)
> at org.eclipse.e4.xwt.XWT.open(XWT.java:416)
> at test.MyTest.main(MyTest.java:21)
>
> --
> Konstantin Scheglov,
> Instantiations, Inc.

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