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
compositeList.clear( );
	}
	private int createValueListComposite( Composite parent )
	{
		if ( valueListComposite != null && !valueListComposite.isDisposed( ) )
		{
			return 0 ;
		}
		disposeComposites( );
		valueListComposite = new Composite( parent, SWT.NONE );
		GridData gdata = new GridData( GridData.FILL_HORIZONTAL );
		gdata.horizontalSpan = 4;
		valueListComposite.setLayoutData( gdata );
		GridLayout layout = new GridLayout( );
		layout.numColumns = 4;
		valueListComposite.setLayout( layout );
		compositeList.add( valueListComposite );
		Group group = new Group( valueListComposite, SWT.NONE );
		GridData data = new GridData( GridData.FILL_HORIZONTAL );
		data.heightHint = 118;
		data.horizontalSpan = 3;
		data.horizontalIndent = 0;
		data.horizontalAlignment = SWT.BEGINNING;
		data.grabExcessHorizontalSpace = true;
		group.setLayoutData( data );
		layout = new GridLayout( );
		layout.numColumns = 4;
		group.setLayout( layout );
		new Label( group, SWT.NONE ).setText( Messages.getString( "FilterConditionBuilder.label.value" ) );
		GridData expgd = new GridData( );