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
rfs = designHandle.getPrivateStyle( )
						.getFontSize( )
						.getStringValue( );
			}
		}
		return DEUtil.getFontSize( rfs );
	}
	private String getRawFontSize( )
	{
		return size.getFontSizeValue( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.dialogs.Dialog#okPressed()
	 */
	protected void okPressed( )
	{
		try
		{
			String familyValue = getRawFontFamily( );
			String sizeValue = getRawFontSize( );
			int colorValue = DEUtil.getRGBInt( color.getRGB( ) );
			int backColorValue = DEUtil.getRGBInt( backColor.getRGB( ) );
			String italicValue = italic.getSelection( ) ? DesignChoiceConstants.FONT_STYLE_ITALIC
					: DesignChoiceConstants.FONT_STYLE_NORMAL;
			String weightValue = bold.getSelection( ) ? DesignChoiceConstants.FONT_WEIGHT_BOLD
					: DesignChoiceConstants.FONT_WEIGHT_NORMAL;
			String underlineValue = underline.getSelection( ) ? DesignChoiceConstants.TEXT_UNDERLINE_UNDERLINE
					: DesignChoiceConstants.TEXT_UNDERLINE_NONE;