Bug 209126 DataException throws out when set highlight condition in sub-report[0302]
Description: Set highlight condition in sub-report, when "select value..." in the highlight dialog, DataException throws out. Build version:2.3.0.v20071108-0800 Steps to reproduce: 1.Get the attached report design file, which contains a sub-report. 2.Select the inner table, and then go to "highlight" tab in the property editor view to set a highlight rule. When click "select value...", DataException throws out. Error: The expression's value can not be retrieved. An error happened in data type conversion. Can not convert the value of org.eclipse.birt.data.engine.script.DataExceptionMocker@79c17b to Integer type.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/HighlightRuleBuilder.java
initValue );
		if ( designHandle != null )
		{
			ExpressionProvider expressionProvider = new ExpressionProvider( designHandle );
			expressionProvider.addFilter( new ExpressionFilter( ) {
				public boolean select( Object parentElement, Object element )
				{
					if ( ExpressionFilter.CATEGORY.equals( parentElement )
							&& ExpressionProvider.CURRENT_CUBE.equals( element ) )
					{
						return false;
					}
					return true;
				}
			} );
			expressionBuilder.setExpressionProvier( expressionProvider );
		}
		if ( expressionBuilder.open( ) == OK )
		{
			String result = DEUtil.resolveNull( expressionBuilder.getResult( ) );
			if ( control instanceof Text )
			{
				( (Text) control ).setText( result );
			}
			else if ( control instanceof Combo )
			{
				( (Combo) control ).setText( result );
			}
		}
		updateButtons( );