Bug 200290 The warning message "A Column Binding Name as xxx already exist" should occurs while input the column binding name but not the expression[0001]
Description: The warning message "A Column Binding Name as xxx already exist" should occurs while input the column binding name but not the expression[0001] Build number: 2.2.1.v20070817-0630 Steps to reproduce: 1, New a table binding on a dataset 2, Insert a data item and input a already existed name such as CUSTOMERNUMBER 3, Specify the expression Expected result: In step2, a warning message: "A Column Binding Name as xxx already exist" should occurs to warning the user Actual result: In step3, the warning message occurs I think we should pops up this message during inputting column binding name but not inputting column binding expression. Hope to enhance that.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/BindingDialogHelper.java
if ( isRef )
		{
			cmbName = new Combo( composite, SWT.BORDER | SWT.READ_ONLY );
			cmbName.setLayoutData( new GridData( GridData.FILL_HORIZONTAL
					| GridData.GRAB_HORIZONTAL ) );
			cmbName.addSelectionListener( new SelectionAdapter( ) {
				public void widgetSelected( SelectionEvent e )
				{
					String bindingName = cmbName.getItem( cmbName.getSelectionIndex( ) );
					for ( Iterator iterator = getBindingHolder( ).getDataBindingReference( )
							.getColumnBindings( )
							.iterator( ); iterator.hasNext( ); )
					{
						ComputedColumnHandle computedColumn = (ComputedColumnHandle) iterator.next( );
						if ( computedColumn.getName( ).equals( bindingName ) )
						{
							setBinding( computedColumn );
							initDialog( );
							return;
						}
					}
				}
			} );
		}
		else
		{
			txtName = new Text( composite, SWT.BORDER );
			txtName.setLayoutData( new GridData( GridData.FILL_HORIZONTAL
					| GridData.GRAB_HORIZONTAL ) );
			txtName.addModifyListener( new ModifyListener( ) {