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
private String name;
	private String typeSelect;
	private String expression;
	private String functionName;
	private Map argsMap = new HashMap( );
	private Composite composite;
	private Text txtDisplayName;
	private ComputedColumn newBinding;
	private CLabel messageLine;
	private Combo cmbName;
	private boolean isCreate;
	private boolean isRef;
	public void createContent( Composite parent )
	{
		isCreate = getBinding( ) == null;
		isRef = getBindingHolder( ).getDataBindingType( ) == ReportItemHandle.DATABINDING_TYPE_REPORT_ITEM_REF;
		composite = parent;
		( (GridLayout) composite.getLayout( ) ).numColumns = 3;
		GridData gd = new GridData( GridData.FILL_BOTH );
		gd.widthHint = 380;
		if ( isAggregate( ) )
		{
			gd.heightHint = 320;
		}
		else
		{
			gd.heightHint = 150;
		}
		composite.setLayoutData( gd );
		new Label( composite, SWT.NONE ).setText( NAME );