svgeditor.java

编辑视频文件

/*
 * File:     SVGEditor.java
 * Project:  MPI Linguistic Application
 * Date:     02 May 2007
 *
 * Copyright (C) 2001-2007  Max Planck Institute for Psycholinguistics
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package mpi.eudico.client.annotator.svg;

import mpi.eudico.client.annotator.Constants;
import mpi.eudico.client.annotator.ElanLocale;
import mpi.eudico.client.annotator.Preferences;
import mpi.eudico.client.annotator.ViewerManager2;

import mpi.eudico.client.annotator.commands.Command;
import mpi.eudico.client.annotator.commands.ELANCommandFactory;

import mpi.eudico.client.annotator.player.ElanMediaPlayer;
import mpi.eudico.client.annotator.player.JMFGraphicMediaPlayer;
import mpi.eudico.client.annotator.player.QTMediaPlayer;

import mpi.eudico.server.corpora.clom.Annotation;
import mpi.eudico.server.corpora.clom.Transcription;

import mpi.eudico.server.corpora.clomimpl.abstr.SVGAlignableAnnotation;
import mpi.eudico.server.corpora.clomimpl.abstr.TierImpl;

import java.awt.AlphaComposite;
import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Image;
import java.awt.Insets;
import java.awt.Point;
import java.awt.Polygon;
import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.geom.AffineTransform;
import java.awt.geom.Ellipse2D;
import java.awt.geom.GeneralPath;
import java.awt.geom.Line2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RectangularShape;
import java.awt.image.BufferedImage;

import java.io.IOException;

import java.text.NumberFormat;

import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Vector;

import javax.swing.ButtonGroup;
import javax.swing.DefaultComboBoxModel;
import javax.swing.DefaultListCellRenderer;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JDesktopPane;
import javax.swing.JDialog;
import javax.swing.JInternalFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JToggleButton;
import javax.swing.JToolBar;
import javax.swing.KeyStroke;
import javax.swing.ListSelectionModel;
import javax.swing.TransferHandler;


/**
 * A dialog for editing graphical annotations.
 *
 * @author Han Sloetjes
 */
public class SVGEditor extends JDialog implements ActionListener, ItemListener {
    /** the bounds of the editor dialog */
    protected Rectangle dialogBounds;

    /** the transcription the edited annotation is part of */
    protected Transcription transcription;

    /** the viewermanager */
    protected ViewerManager2 viewerManager;

    /** the annotation that is being edited */
    protected SVGAlignableAnnotation annotation;

    /** an internal frame displaying a list of library objects/shapes */
    protected JInternalFrame libraryFrame;

    /** a table storing icons using it's id value as a key */
    protected Hashtable iconTable;
    private Hashtable libTable = null;

    /** a JList containing icons of the objects in the library */
    protected JList iconList;

    /** the internal frame containing the actual editor panel */
    protected JInternalFrame editFrame;

    /** the panel that handles all editing operations */
    protected EditorPanel editorPanel;

    /** the size of the icons in the library icon list */
    protected final Dimension iconDimension = new Dimension(26, 26);

    /** the zoomlevels of the editor panel */
    public final int[] ZOOMLEVELS = new int[] { 50, 75, 100, 150, 200 };

    /** the color to use for the stroke of 2d annotations */
    public final Color STROKE_COLOR = Color.red;
    private int msPerFrame = 40; //initial value is the PAL value
    private long currentFrame = 0;
    private JButton deleteButton;
    private JButton cutButton;
    private JButton copyButton;
    private JButton pasteButton;
    private JButton firstFrameButton;
    private JButton lastFrameButton;
    private JButton frameBackButton;
    private JButton frameForwardButton;
    private JToolBar statusBar;
    private JLabel xValue;
    private JLabel yValue;
    private JLabel wValue;
    private JLabel hValue;
    private JLabel dValue;
    private JLabel mxValue;
    private JLabel myValue;
    private NumberFormat numbFormat;

    /**
     * Creates a new SVGEditor instance
     *
     * @param transcription the transcription
     * @param annotation the annotation that has a reference to a 2d object
     */
    public SVGEditor(Transcription transcription,
        SVGAlignableAnnotation annotation) {
        super(ELANCommandFactory.getRootFrame(transcription), true);

        //super();
        this.annotation = annotation;
        this.transcription = transcription;
        loadPreferences();
        initDialog();
        setBounds(dialogBounds);
        setTitle(ElanLocale.getString("GraphicsEditor.Title"));
        setVisible(true);
    }

    /**
     * Create a menubar, toolbar, desktop pane and some iframes.
     */
    protected void initDialog() {
        numbFormat = NumberFormat.getInstance();
        numbFormat.setMaximumFractionDigits(3);
        getContentPane().setLayout(new BorderLayout());
        setJMenuBar(createMenuBar());
        getContentPane().add(createToolBar(), BorderLayout.NORTH);
        getContentPane().add(createDesktopPane(), BorderLayout.CENTER);
        getContentPane().add(createStatusBar(), BorderLayout.SOUTH);

        //setContentPane(createDesktopPane());
        initLibrary();

        // add containers
        addWindowListener(new WindowAdapter() {
                public void windowClosing(WindowEvent we) {
                    cancelEdit();
                }
            });
        updateToolBarShapeButtons();
        updateFramePositionButtons();
        updateObjectStatus();
    }

    /**
     * Creates the menubar.
     *
     * @return the menubar
     */
    protected JMenuBar createMenuBar() {
        JMenuBar menuBar = new JMenuBar();
        JMenu editMenu = new JMenu(ElanLocale.getString("Menu.Edit"));
        menuBar.add(editMenu);

        JMenuItem cancelMI = new JMenuItem(ElanLocale.getString(
                    "GraphicsEditor.Menu.Cancel"));
        cancelMI.addActionListener(this);
        cancelMI.setActionCommand("cancel");
        cancelMI.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0));
        editMenu.add(cancelMI);

        JMenuItem commitMI = new JMenuItem(ElanLocale.getString(
                    "GraphicsEditor.Menu.Commit"));
        commitMI.addActionListener(this);
        commitMI.setActionCommand("commit");
        commitMI.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER,
                Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()));
        editMenu.add(commitMI);

        return menuBar;
    }

    /**
     * Creates a toolbar containing buttons and other ui elements for the
     * editing operations.
     *
     * @return a toolbar
     */
    protected JToolBar createToolBar() {
        JToolBar bar = new JToolBar(JToolBar.HORIZONTAL);

        // create icons
        ImageIcon selIcon = new ImageIcon(this.getClass().getResource("/mpi/eudico/client/annotator/resources/SelectTool16.gif"));
        ImageIcon rectIcon = new ImageIcon(this.getClass().getResource("/mpi/eudico/client/annotator/resources/RectangleTool16.gif"));
        ImageIcon ovalIcon = new ImageIcon(this.getClass().getResource("/mpi/eudico/client/annotator/resources/OvalTool16.gif"));
        ImageIcon lineIcon = new ImageIcon(this.getClass().getResource("/mpi/eudico/client/annotator/resources/LineTool16.gif"));
        ImageIcon deleteIcon = new ImageIcon(this.getClass().getResource("/mpi/eudico/client/annotator/resources/Delete16.gif"));
        ImageIcon cutIcon = new ImageIcon(this.getClass().getResource("/mpi/eudico/client/annotator/resources/Cut16.gif"));
        ImageIcon copyIcon = new ImageIcon(this.getClass().getResource("/mpi/eudico/client/annotator/resources/Copy16.gif"));
        ImageIcon pasteIcon = new ImageIcon(this.getClass().getResource("/mpi/eudico/client/annotator/resources/Paste16.gif"));
        ImageIcon firstFrameIcon = new ImageIcon(this.getClass().getResource("/mpi/eudico/client/annotator/resources/GoToPreviousScrollviewButton.gif"));
        ImageIcon lastFrameIcon = new ImageIcon(this.getClass().getResource("/mpi/eudico/client/annotator/resources/GoToNextScrollviewButton.gif"));
        ImageIcon nextFrameIcon = new ImageIcon(this.getClass().getResource("/mpi/eudico/client/annotator/resources/NextButton.gif"));
        ImageIcon prevFrameIcon = new ImageIcon(this.getClass().getResource("/mpi/eudico/client/annotator/resources/PreviousButton.gif"));

        // create buttons
        deleteButton = new JButton(deleteIcon);
        deleteButton.setActionCommand("delete");
        deleteButton.addActionListener(this);
        deleteButton.setEnabled(false);
        bar.add(deleteButton);
        bar.addSeparator();
        cutButton = new JButton(cutIcon);
        cutButton.setActionCommand("cut");
        cutButton.addActionListener(this);
        cutButton.setEnabled(false);
        bar.add(cutButton);
        copyButton = new JButton(copyIcon);
        copyButton.setActionCommand("copy");
        copyButton.addActionListener(this);
        copyButton.setEnabled(false);
        bar.add(copyButton);
        pasteButton = new JButton(pasteIcon);
        pasteButton.setActionCommand("paste");
        pasteButton.addActionListener(this);
        pasteButton.setEnabled(false);
        bar.add(pasteButton);
        bar.addSeparator();

        JToggleButton selButton = new JToggleButton(selIcon, true);
        selButton.setActionCommand("select");
        selButton.addActionListener(this);

        JToggleButton rectButton = new JToggleButton(rectIcon, false);
        rectButton.setActionCommand("recttool");
        rectButton.addActionListener(this);

        JToggleButton ovalButton = new JToggleButton(ovalIcon, false);
        ovalButton.setActionCommand("ovaltool");
        ovalButton.addActionListener(this);

        JToggleButton lineButton = new JToggleButton(lineIcon, false);
        lineButton.setActionCommand("linetool");
        lineButton.addActionListener(this);

        ButtonGroup toolGroup = new ButtonGroup();
        toolGroup.add(selButton);
        toolGroup.add(rectButton);
        toolGroup.add(ovalButton);
        toolGroup.add(lineButton);
        bar.add(selButton);
        bar.add(rectButton);
        bar.add(ovalButton);
        bar.add(lineButton);
        bar.addSeparator();

        firstFrameButton = new JButton(firstFrameIcon);
        firstFrameButton.setActionCommand("first");
        firstFrameButton.addActionListener(this);
        firstFrameButton.setEnabled(false);
        bar.add(firstFrameButton);
        frameBackButton = new JButton(prevFrameIcon);
        frameBackButton.setActionCommand("prev");
        frameBackButton.addActionListener(this);
        frameBackButton.setEnabled(false);
        bar.add(frameBackButton);
        frameForwardButton = new JButton(nextFrameIcon);
        frameForwardButton.setActionCommand("next");
        frameForwardButton.addActionListener(this);
        bar.add(frameForwardButton);
        lastFrameButton = new JButton(lastFrameIcon);
        lastFrameButton.setActionCommand("last");
        lastFrameButton.addActionListener(this);
        bar.add(lastFrameButton);
        bar.addSeparator();

        JPanel zoomPanel = new JPanel(new GridBagLayout());
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.insets = new Insets(1, 3, 1, 3);
        gbc.anchor = GridBagConstraints.WEST;
        zoomPanel.add(new JLabel(ElanLocale.getString("Menu.Zoom")), gbc);

        JComboBox zoomBox = new JComboBox();
        DefaultComboBoxModel model = new DefaultComboBoxModel();

        for (int i = 0; i < ZOOMLEVELS.length; i++) {
            model.addElement(ZOOMLEVELS[i] + "%");
        }

        model.setSelectedItem("100%");
        zoomBox.setModel(model);
        zoomBox.setPreferredSize(new Dimension(60, 24));
        gbc.gridx = 1;
        gbc.weightx = 1.0;
        zoomPanel.add(zoomBox, gbc);
        zoomBox.addItemListener(this);

        bar.add(zoomPanel);

        //bar.add(zoomBox);
        return bar;
    }

    /**
     * DOCUMENT ME!
     *
     * @return DOCUMENT ME!
     */
    protected JToolBar createStatusBar() {
        statusBar = new JToolBar(JToolBar.HORIZONTAL);