Bug 180645 Support set format for Date/Time type parameter.[0705]
Description: Support set format for Date/Time type parameter. Build number:2.2.0.v200704031345 Steps to reproduce: 1. New a Date report parameter. 2. Click Change... button to set format for it. Expected result: Can set format for Date/Time parameter. Actual result: Change... button is disabled. Error log:N/A
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/FormatDateTimePage.java
container.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
				container.setLayout( new GridLayout( 2, false ) );
				new Label( container, SWT.NULL ).setText( LABEL_FORMAT_CODE );
				formatCode = new Text( container, SWT.SINGLE | SWT.BORDER );
				formatCode.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
				formatCode.addModifyListener( new ModifyListener( ) {
					public void modifyText( ModifyEvent e )
					{
						if ( hasLoaded )
						{
							updatePreview( );
						}
					}
				} );
				formatCode.addFocusListener( new FocusListener( ) {
					public void focusLost( FocusEvent e )
					{
						notifyFormatChange( );
					}
					public void focusGained( FocusEvent e )
					{
					}
				} );
			}
			createCustomPreviewPart( customPage );
		}
		return customPage;
	}
	private Composite getHorizonGeneralFormatCodePage( Composite parent )
	{