Bug 189598 [linux][smoke]GUIException when new style in Layout or through main menu[0300]
Description: GUIException when new style in Layout or through main menu Build number:2.2.0.v200705291039 Steps to reproduce: 1. New a report. 2. New a style by right click in Layout. 3. New a style through main menu Expected result: A new style is inserted. Actual result: Fail to new style and throw exception. Error log:N/A
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/command/SelectionHandler.java
{
	private ExecutionEvent event;
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
	 */
	public Object execute( ExecutionEvent arg0 ) throws ExecutionException
	{
		this.event = arg0;
		return null;
	}
	/**
	 * Gets element handles.
	 * 
	 * @return element handles
	 */
	protected List getElements( List list )
	{
		boolean isEditPart = false;
		for ( int i = 0; i < list.size( ); i++ )
		{
			if ( list.get( i ) instanceof ReportElementEditPart )
			{
				isEditPart = true;
			}
		}