Bug 154832 Wrong node is added to Report Parameters for cascading parameter in Palette view
Description: Wrong node is added to Report Parameters for cascading parameter in Palette view. Steps to reproduce: 1. New a report, add a cascading parameter 2. Switch to Script tab in Editor view, and then switch to Palette view 3. Expand Report Parameters node Expected result: A cascading parameter group is added to Report Parameters node Actual result: Expect a cascading parameter group is added to Report Parameters node, the children of the cascading parameter group are added as scalar parameters
UI/org.eclipse.birt.report.designer.ui.editors.schematic/src/org/eclipse/birt/report/designer/internal/ui/editors/script/TreeViewPalettePage.java
tree.dispose( );
		treeCommon.dispose( );
	}
	/**
	 * @see IAdaptable#getAdapter(java.lang.Class)
	 */
	public Object getAdapter( Class adapter )
	{
		return null;
	}
	/**
	 * @return the palette viewer's control
	 * @see Page#getControl()
	 */
	public Control getControl( )
	{
		return tree;
	}
	/**
	 * Sets focus on the palette's control
	 * 
	 * @see Page#setFocus()
	 */
	public void setFocus( )
	{
		tree.setFocus( );
	}
	public ExpressionTreeSupport getSupport( )
	{
		return this.treeCommon;