Bug 143126 [Regression]Insert chart into table group header, preview, incorrectly.
Insert chart into table group header, preview, incorrectly. Steps: 1.Insert a table 2.Create a group for the table 3.Insert chart into group header, inherit table's data set 4.preivew Actual Results: 1.Chart datas are incorrectly Expected Results: 1.Chart can be previewed correctly.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ColumnBindingDialog.java
{
		if ( isEnableAutoCommit( ) )
		{
			getActionStack( ).rollback( );
		}
	}
	private CommandStack getActionStack( )
	{
		return SessionHandleAdapter.getInstance( ).getCommandStack( );
	}
	private transient boolean enableAutoCommit = true;
	private List groupList;
	private String[] groups;
	public boolean isEnableAutoCommit( )
	{
		return enableAutoCommit;
	}
	/**
	 * @param enableAutoCommit
	 *            The enableAutoCommit to set.
	 */
	public void setEnableAutoCommit( boolean enableAutoCommit )
	{
		this.enableAutoCommit = enableAutoCommit;
	}
	private PropertyHandle getPropertyHandle( )
	{
		return inputElement.getPropertyHandle( ReportItemHandle.PARAM_BINDINGS_PROP );
	}
}