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GridData can"t be cast to FillData in PropertySection [message #508339]

Mon, 18 January 2010 08:42

Esteban Dugueperoux

Messages: 472
Registered: July 2009

Senior Member

Hi,

I use Helios M4 on Ubuntu Linux 9.10

I want to customize my property view, I have created a
AbstractPropertySection where I have put a CCombo control with
"getWidgetFactory().createCCombo(parent, SWT.DROP_DOWN)"

and create a GridData :

GridData gridData = new GridData(SWT.FILL, SWT.CENTER, true, false);

and set this gridData to the previously created CCombo :

ccombo.setLayoutData(fillData);

but at runtime I have a ClassCastException at
FillLayout.computeChildSize() on my CCombo control because it try to
cast my CCombo's layoutData which is a GridData to a FillData :

FillData data = (FillData)control.getLayoutData ();

I can't replace my layout's data from GridData to a FillData because
Eclipse can't resolve this last while it is in my classpath in
org.eclipse.swt.gtk.linux.x86_3.6.0.v3624a.jar plugin under
org.eclipse.swt.layout package.

Someone can reproduce this "bug" ?

Thanks in advance.

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