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
public void modifyText( ModifyEvent e )
				{
					if ( hasLoaded )
					{
						updatePreview( );
					}
				}
			} );
			formatCode.addFocusListener( new FocusListener( ) {
				public void focusLost( FocusEvent e )
				{
					notifyFormatChange( );
				}
				public void focusGained( FocusEvent e )
				{
				}
			} );
		}
		return customFormatCodePage;
	}
	/**
	 * Creates preview part for general page.
	 */
	private Label createGeneralPreviewPart( Composite parent )
	{
		Group group = new Group( parent, SWT.NONE );
		group.setText( LABEL_GENERAL_PREVIEW_GROUP );
		GridData data;
		if ( pageAlignment == PAGE_ALIGN_HORIZONTAL )
		{