Bug 189814 [Regression] "Paste" does not work for report items, data source, data set... [00]
Description: "Paste" does not work for report items, data source, data set... Build number: 2.2.0.v20070530-0630 Steps to reproduce: 1. New a report, insert a label, copy and paste. Expected result: "Paste" works. Actual result: "Paste" does not work. Error log: N/A
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/command/SelectionHandler.java
protected IStructuredSelection getSelection( )
	{
		IEvaluationContext context = (IEvaluationContext) event.getApplicationContext( );
		Object selectVariable = context.getVariable( ISources.ACTIVE_CURRENT_SELECTION_NAME );
		if ( selectVariable instanceof IStructuredSelection )
		{
			return (IStructuredSelection) selectVariable;
		}
		else
		{
			return new StructuredSelection( selectVariable );
		}
	}
	/**
	 * Gets the activity stack of the report
	 * 
	 * @return returns the stack
	 */
	protected CommandStack getActiveCommandStack( )
	{
		return SessionHandleAdapter.getInstance( ).getCommandStack( );
	}
	/**
	 * Gets models of selected elements
	 * 
	 * @return
	 */
	protected List getElementHandles( )
	{
		boolean isEditPart = false;