Bug 116377 container's data set should be list in dynamic image expression builder
description: container's data set should be list in dynamic image expression builder steps to reproduce: 1. drag an image to one cell of table 2. choose dynamic image 3. click on expression builder.... actual result: no data set list in the expression builder expected result: container's data set should be list in dynamic image expression builder
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/palette/BasePaletteFactory.java
* 
		 * @see org.eclipse.birt.designer.internal.ui.editors.schematic.tools.AbstractToolHandleExtends#preHandleMouseDown()
		 */
		public boolean preHandleMouseDown( )
		{
			return false;
		}
	}
	public static AbstractToolHandleExtends getAbstractToolHandleExtendsFromPalletName(
			Object str )
	{
		if ( !( str instanceof String ) )
		{
			throw new Error( "Don't support the other type expect String" ); 
		}
		String template = (String) str;
		AbstractToolHandleExtends preHandle = null;
		if ( IReportElementConstants.REPORT_ELEMENT_IMAGE
				.equalsIgnoreCase( template ) )
		{
			preHandle = new ImageToolExtends( );
		}
		else if ( IReportElementConstants.REPORT_ELEMENT_TABLE
				.equalsIgnoreCase( template ) )
		{
			preHandle = new TableToolExtends( );
		}
		else if ( IReportElementConstants.REPORT_ELEMENT_TEXT
				.equalsIgnoreCase( template )
				|| IReportElementConstants.AUTOTEXT_PAGE