Bug 213822 [Regression]Can not save the modification of group in Aggregation builder
Description: [2.2.2]Can not save the modification of group in Aggregation builder Build number: 2.2.2.v20071225-0630 Steps to reproduce: 1, New a table with two groups 2, Insert a aggregation builder in group footer 3, Select the first group and click OK 4, Open the builder again and modify the group to group2 Expected result: The modification can be saved Actual result: The modification takes no effect and the report design has no dirty mark after the modification. Error log:
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/BindingDialogHelper.java
( (Text) argsMap.get( argDisplayName ) ).getText( ) ) )
					{
						return true;
					}
				}
				else
				{
					return true;
				}
			}
		}
		else
		{
			if ( txtName != null
					&& !strEquals( txtName.getText( ), binding.getName( ) ) )
				return true;
			if ( cmbName != null
					&& !strEquals( cmbName.getText( ), binding.getName( ) ) )
				return true;
			if ( !strEquals( txtDisplayName.getText( ),
					binding.getDisplayName( ) ) )
				return true;
			if ( !strEquals( getDataType( ), binding.getDataType( ) ) )
				return true;
			if ( !strEquals( txtExpression.getText( ), binding.getExpression( ) ) )
				return true;
		}
		return false;
	}
	private boolean strEquals( String left, String right )