Bug 130091 [regression]Save button failed after edit script in data item.
Description: Save button failed after edit script in data item. Steps to reproduce: 1. New a report 2. Insert a data item and input "data". 3. Select data item and transfer to script pane, input some words. 4. Transfer back to Layout and save the report. Expected result: Save action works. Actual result: Save action failed.
UI/org.eclipse.birt.report.designer.ui.editors.schematic/src/org/eclipse/birt/report/designer/ui/editors/pages/ReportScriptFormPage.java
}
	/* (non-Javadoc)
	 * @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets.Composite)
	 */
	public void createPartControl( Composite parent )
	{
		try
		{
			jsEditor.createPartControl( parent );
			Control[] children = parent.getChildren( );
			control = children[children.length - 1];
			
			if ( previouPage != null )
			{
				onBroughtToTop( previouPage );
			}
		}
		catch ( Exception e )
		{
			e.printStackTrace( );
		}
	}
	/* (non-Javadoc)
	 * @see org.eclipse.ui.part.EditorPart#doSave(org.eclipse.core.runtime.IProgressMonitor)
	 */
	public void doSave( IProgressMonitor monitor )
	{
		jsEditor.saveModel( );
		IReportProvider provider = getProvider( );
		if ( provider != null )