final Object oldValue = element.getAttribute(ReportDesignerParserModule.NAMESPACE,
ReportDesignerParserModule.HIDE_IN_LAYOUT_GUI_ATTRIBUTE);
final Boolean newValue = Boolean.valueOf(b);
element.setAttribute(ReportDesignerParserModule.NAMESPACE,
ReportDesignerParserModule.HIDE_IN_LAYOUT_GUI_ATTRIBUTE, newValue);
undo.addChange(new AttributeEditUndoEntry(element.getObjectID(), ReportDesignerParserModule.NAMESPACE,
ReportDesignerParserModule.HIDE_IN_LAYOUT_GUI_ATTRIBUTE, oldValue, newValue));
element.notifyNodeStructureChanged();
}
public static LinealModel getVerticalLinealModel(final Element rootBand)