Bug 145481 [RCP]Top Menu-Insert-Image, Edit Image Item dialog can not be opened.
[RCP]Top Menu-Insert-Image, Edit Image Item dialog can not be opened. Steps: 1.Select Top Menu-Insert-Image Actual Results: 1.Edit Image Item dialog can not be opened Expected Results: 1.Edit Image Item dialog can be opened
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/actions/BaseInsertMenuAction.java
{
	protected static final String STACK_MSG_INSERT_ELEMENT = Messages.getString( "BaseInsertMenuAction.stackMsg.insertElement" ); 
	private String insertType;
	protected SlotHandle slotHandle;
	private Object model;
	/**
	 * The constructor.
	 * 
	 * @param part
	 *            parent workbench part
	 * @param type
	 *            insert element type
	 */
	public BaseInsertMenuAction( IWorkbenchPart part, String type )
	{
		super( part );
		this.insertType = type;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.gef.ui.actions.WorkbenchPartAction#calculateEnabled()
	 */
	protected boolean calculateEnabled( )
	{
		slotHandle = getDefaultSlotHandle( insertType );