main.java

java 行事历 可以对自己的工作进行记录

	void showMessage ( String message ) {
		JOptionPane.showMessageDialog ( parent, message, "Notice",
		    JOptionPane.INFORMATION_MESSAGE );
	}

	void showError ( String message ) {
		System.err.println ( "Error" + ": " + message );
		JOptionPane.showMessageDialog ( parent, message, "Error",
		    JOptionPane.ERROR_MESSAGE );
	}

	void fatalError ( String message ) {
		System.err.println ( "Fatal error" + ": " + message );
		JOptionPane.showMessageDialog ( parent, message, "Fatal Error",
		    JOptionPane.ERROR_MESSAGE );
		System.exit ( 1 );
	}

	protected JButton makeNavigationButton ( String imageName,
	    String actionCommand, String toolTipText, String altText ) {
		JButton button;
		String imgLocation = null;
		URL imageURL = null;

		// Look for the image.
		imgLocation = "images/" + imageName;
		if ( imageName != null ) {
			imageURL = getResource ( imgLocation );
		}

		if ( imageURL != null ) { // image found
			button = new JButton ( altText );
			button.setIcon ( new ImageIcon ( imageURL, altText ) );
		} else {
			// no image found
			button = new JButton ( altText );
			if ( imageName != null )
				System.err.println ( "Resource not found" + ": " + imgLocation );
		}

		button.setVerticalTextPosition ( JButton.BOTTOM );
		button.setHorizontalTextPosition ( JButton.CENTER );
		button.setActionCommand ( actionCommand );
		button.setToolTipText ( toolTipText );

		// Decrease font size by 2 if we have an icon
		if ( imageURL != null ) {
			Font f = button.getFont ();
			Font newFont = new Font ( f.getFamily (), Font.PLAIN, f.getSize () - 2 );
			button.setFont ( newFont );
		}

		return button;
	}

	/**
	 * Set the Look and Feel to be Windows.
	 */
	public void setInitialLAF () {
		String laf = prefs.getAppearanceLookAndFeel ();
		try {
			if ( laf != null )
				UIManager.setLookAndFeel ( laf );
		} catch ( Exception e ) {
			System.out.println ( "Unable to L&F " + laf + ": " + e.toString () );
		}
	}

	public void selectLookAndFeel ( Component toplevel, Frame dialogParent ) {
		LookAndFeel lafCurrent = UIManager.getLookAndFeel ();
		// System.out.println ( "Current L&F: " + lafCurrent );
		UIManager.LookAndFeelInfo[] info = UIManager.getInstalledLookAndFeels ();
		String[] choices = new String[info.length];
		int sel = 0;
		for ( int i = 0; i < info.length; i++ ) {
			System.out.println ( "  " + info[i].toString () );
			choices[i] = info[i].getClassName ();
			if ( info[i].getClassName ().equals ( lafCurrent.getClass ().getName () ) )
				sel = i;
		}
		Object uiSelection = JOptionPane.showInputDialog ( dialogParent,
		    "Select Look and Feel", "Look and Feel",
		    JOptionPane.INFORMATION_MESSAGE, null, choices, choices[sel] );
		UIManager.LookAndFeelInfo selectedLAFInfo = null;
		for ( int i = 0; i < info.length; i++ ) {
			if ( uiSelection.equals ( choices[i] ) )
				selectedLAFInfo = info[i];
		}
		if ( selectedLAFInfo != null ) {
			try {
				// System.out.println ( "Changing L&F: " + selectedLAFInfo );
				UIManager.setLookAndFeel ( selectedLAFInfo.getClassName () );
				// SwingUtilities.updateComponentTreeUI ( parent );
				// parent.pack ();
			} catch ( Exception e ) {
				System.err.println ( "Unabled to load L&F: " + e.toString () );
			}
		} else {
			System.err.println ( "No L&F selected" );
		}
	}

	private Color getForegroundColorForBackground ( Color bg ) {
		Color ret = Color.white;
		if ( bg.getRed () > 128 && bg.getGreen () > 128 && bg.getRed () > 128 )
			ret = Color.black;
		return ret;
	}

	protected void editLocalCalendar ( final Calendar c ) {
		final JDialog addLocal = new JDialog ( this );
		addLocal.setLocationRelativeTo ( null );
		final JTextField nameField = new JTextField ( 30 );
		final ColorButton colorField = new ColorButton ();
		int[] props = { 1, 2 };

		if ( c != null ) {
			nameField.setText ( c.getName () );
		}

		addLocal.setTitle ( c != null ? "Edit Local Calendar"
		    : "Add Local Calendar" );
		addLocal.setModal ( true );
		Container content = addLocal.getContentPane ();
		content.setLayout ( new BorderLayout () );
		JPanel buttonPanel = new JPanel ();
		buttonPanel.setLayout ( new FlowLayout () );
		JButton cancel = new JButton ( "Cancel" );
		cancel.addActionListener ( new ActionListener () {
			public void actionPerformed ( ActionEvent event ) {
				addLocal.dispose ();
			}
		} );
		buttonPanel.add ( cancel );
		JButton ok = new JButton ( c == null ? "Add" : "Save" );
		ok.addActionListener ( new ActionListener () {
			public void actionPerformed ( ActionEvent event ) {
				try {
					String name = nameField.getText ();
					if ( name == null || name.trim ().length () == 0 ) {
						showError ( "You must provide a calendar name" );
						return;
					}
					Color color = colorField.getSelectedColor ();
					showStatusMessage ( "Creating calendar..." );
					Calendar cal = null;
					if ( c == null ) {
						cal = new Calendar ( getDataDirectory (), name );
					} else {
						cal = c;
					}
					cal.setBackgroundColor ( color );
					cal.setBorderColor ( getForegroundColorForBackground ( color ) );
					cal.setForegroundColor ( getForegroundColorForBackground ( color ) );
					cal.setLastUpdatedAsNow ();
					File file = new File ( getDataDirectory (), cal.getFilename () );
					if ( c == null ) {
						// Create empty iCalendar file
						FileWriter writer = new FileWriter ( file );
						ICalendarParser icalParser = new ICalendarParser (
						    ICalendarParser.PARSE_STRICT );
						icalParser.toICalendar ();
						writer.write ( icalParser.toICalendar () );
						writer.close ();
					}
					if ( c == null ) {
						showStatusMessage ( "New local calendar added" + ": " + name );
						dataRepository.addCalendar ( getDataDirectory (), cal, false );
						// This will call us back with calendarAdded (below)
					} else {
						// updating calendar...
						dataRepository.updateCalendar ( getDataDirectory (), cal );
						showStatusMessage ( "Updated local calendar" + ": " + name );
					}
					// System.out.println ( "Created cal file: " + file );
				} catch ( Exception e1 ) {
					showError ( "Error writing calendar" + ": " + e1.getMessage () );
					return;
				}
				addLocal.dispose ();
			}
		} );
		buttonPanel.add ( ok );
		content.add ( buttonPanel, BorderLayout.SOUTH );

		JPanel main = new JPanel ();
		main.setBorder ( BorderFactory
		    .createTitledBorder ( c == null ? "New Local Calendar"
		        : "Edit Local Calendar" ) );
		main.setLayout ( new GridLayout ( 2, 1 ) );
		JPanel namePanel = new JPanel ();
		namePanel.setLayout ( new ProportionalLayout ( props,
		    ProportionalLayout.HORIZONTAL_LAYOUT ) );
		namePanel.add ( new JLabel ( "Calendar Name" + ": " ) );
		namePanel.add ( nameField );
		main.add ( namePanel );

		JPanel colorPanel = new JPanel ();
		colorPanel.setLayout ( new ProportionalLayout ( props,
		    ProportionalLayout.HORIZONTAL_LAYOUT ) );
		colorPanel.add ( new JLabel ( "Background Color" + ": " ) );
		JPanel colorSub = new JPanel ();
		colorSub.setLayout ( new BorderLayout () );
		colorField.setSelectedColor ( c == null ? Color.blue : c
		    .getBackgroundColor () );
		colorSub.add ( colorField, BorderLayout.WEST );
		colorPanel.add ( colorSub );
		main.add ( colorPanel );

		content.add ( main, BorderLayout.CENTER );

		addLocal.pack ();
		addLocal.setVisible ( true );
	}

	protected void importCSV () {
		new ImportDialog ( this, ImportDialog.IMPORT_CSV, getDataDirectory (),
		    dataRepository );
	}

	protected void importICalendar () {
		new ImportDialog ( this, ImportDialog.IMPORT_ICS, getDataDirectory (),
		    dataRepository );
	}

	protected void exportAll () {
		export ( "Export All", dataRepository.getAllEntries () );
	}

	protected void exportVisible () {
		export ( "Export Visible", dataRepository.getVisibleEntries () );
	}

	private void export ( String title, Vector eventEntries ) {
		JFileChooser fileChooser;
		File outFile = null;

		if ( lastExportDirectory == null )
			fileChooser = new JFileChooser ();
		else
			fileChooser = new JFileChooser ( lastExportDirectory );
		fileChooser.setFileSelectionMode ( JFileChooser.FILES_ONLY );
		fileChooser.setFileFilter ( new ICSFileChooserFilter () );
		fileChooser.setDialogTitle ( "Select Output File" );
		fileChooser.setApproveButtonText ( "Save as ICS File" );
		fileChooser
		    .setApproveButtonToolTipText ( "Export entries to iCalendar file" );
		int ret = fileChooser.showSaveDialog ( this );
		if ( ret == JFileChooser.APPROVE_OPTION ) {
			outFile = fileChooser.getSelectedFile ();
		} else {
			// Cancel
			return;
		}
		// If no file extension provided, use ".ics"
		String basename = outFile.getName ();
		if ( basename.indexOf ( '.' ) < 0 ) {
			// No filename extension provided, so add ".csv" to it
			outFile = new File ( outFile.getParent (), basename + ".ics" );
		}
		// System.out.println ( "Selected File: " + outFile.toString () );
		lastExportDirectory = outFile.getParentFile ();
		if ( outFile.exists () && !outFile.canWrite () ) {
			JOptionPane.showMessageDialog ( parent,
			    "You do not have the proper\npermissions to write to" + ":\n\n"
			        + outFile.toString () + "\n\n" + "Please select another file.",
			    "Save Error", JOptionPane.PLAIN_MESSAGE );
			return;
		}
		if ( outFile.exists () ) {
			if ( JOptionPane.showConfirmDialog ( parent, "Overwrite existing file?"
			    + "\n\n" + outFile.toString (), "Overwrite Confirm",
			    JOptionPane.YES_NO_OPTION ) != 0 ) {
				JOptionPane.showMessageDialog ( parent, "Export canceled.",
				    "Export canceled", JOptionPane.PLAIN_MESSAGE );
				return;
			}
		}
		try {
			PrintWriter writer = new PrintWriter ( new FileWriter ( outFile ) );
			// Now write!
			ICalendarParser p = new ICalendarParser ( PARSE_LOOSE );
			DataStore dataStore = p.getDataStoreAt ( 0 );
			for ( int i = 0; i < eventEntries.size (); i++ ) {
				Event j = (Event) eventEntries.elementAt ( i );
				dataStore.storeEvent ( j );
			}
			writer.write ( p.toICalendar () );
			writer.close ();
			JOptionPane.showMessageDialog ( parent, "Exported to" + ":\n\n"
			    + outFile.toString (), "Export", JOptionPane.PLAIN_MESSAGE );
		} catch ( IOException e ) {
			JOptionPane.showMessageDialog ( parent,
			    "An error was encountered\nwriting to the file" + ":\n\n"
			        + e.getMessage (), "Save Error", JOptionPane.PLAIN_MESSAGE );
			e.printStackTrace ();
		}
	}

	public void componentHidden ( ComponentEvent ce ) {
	}

	public void componentShown ( ComponentEvent ce ) {
	}

	// Handle moving of main window
	public void componentMoved ( ComponentEvent ce ) {
		saveWindowPreferences ();
	}

	public void componentResized ( ComponentEvent ce ) {
		saveWindowPreferences ();
	}

	public void propertyChange ( PropertyChangeEvent pce ) {
		// System.out.println ( "property Change: " + pce );
		if ( pce.getPropertyName ().equals ( JSplitPane.DIVIDER_LOCATION_PROPERTY ) ) {
			saveWindowPreferences ();
		}
	}

	/**
	 * Save current window width, height so we can restore on next run.
	 */
	public void saveWindowPreferences () {
		prefs.setMainWindowX ( this.getX () );
		prefs.setMainWindowY ( this.getY () );
		prefs.setMainWindowWidth ( this.getWidth () );
		prefs.setMainWindowHeight ( this.getHeight () );
		prefs.setMainWindowLeftVerticalSplitPosition ( leftVerticalSplit
		    .getDividerLocation () );
		prefs.setMainWindowHorizontalSplitPosition ( horizontalSplit
		    .getDividerLocation () );
	}

	public void eventAdded ( Event event ) {
		this.updateCategoryJList ();
		handleCalendarFilterSelection ();
		this.eventViewPanel.clear ();
	}

	public void eventUpdated ( Event event ) {
		this.updateCategoryJList ();
		handleCalendarFilterSelection ();
		this.eventViewPanel.clear ();
	}

	public void eventDeleted ( Event event ) {
		this.updateCategoryJList ();
		handleCalendarFilterSelection ();
		this.eventViewPanel.clear ();
	}

	public void eventSelected ( EventInstance eventInstance ) {
		SingleEvent se = (SingleEvent) eventInstance;
		Date eventDate = null;
		try {
			eventDate = new Date ( "DTSTART", eventInstance.getYear (), eventInstance
			    .getMonth (), eventInstance.getDayOfMonth () );
		} catch ( BogusDataException e1 ) {
			e1.printStackTrace ();
			return;