Bug 200143 If do not allow user to modify the expression, the button fx should be disabled[0005]
Description: If do not allow user to modify the expression, the button fx should be disabled[0005] Build number: 2.2.1.v20070816-0630 Steps to reproduce: 1, New a table1 with one binding 2, New a table share table1's result set 3, Drag a data item into the table 4, after specify the column binding name try to modify the expression Expected result: The expression button should be disable. Actual result: The expression can be edit but can not save, so the button should be disable Error log:
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/BindingDialogHelper.java
}
				else
				{
					setDisplayName( getBinding( ).getDisplayName( ) );
					for ( int i = 0; i < DATA_TYPE_CHOICES.length; i++ )
					{
						if ( DATA_TYPE_CHOICES[i].getName( )
								.equals( getBinding( ).getDataType( ) ) )
						{
							setTypeSelect( DATA_TYPE_CHOICES[i].getDisplayName( ) );
							break;
						}
					}
					setDataFieldExpression( getBinding( ).getExpression( ) );
				}
			}
			else
			{
				setTypeSelect( dataTypes[0] );
				this.newBinding = StructureFactory.newComputedColumn( getBindingHolder( ),
						isAggregate( ) ? DEFAULT_AGGREGATION_NAME
								: DEFAULT_ITEM_NAME );
				setName( this.newBinding.getName( ) );
			}
		}
		else
		{
			if ( isRef )
			{
				int i = 0;