exportqtsubtitledialog.java

编辑视频文件

/*
 * File:     ExportQtSubtitleDialog.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.export;

import mpi.eudico.client.annotator.ElanLocale;
import mpi.eudico.client.annotator.Selection;

import mpi.eudico.client.annotator.util.FileExtension;

import mpi.eudico.client.util.CheckBoxTableCellRenderer;
import mpi.eudico.client.util.Transcription2QtSubtitle;

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

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

import java.awt.Frame;
import java.awt.GridBagConstraints;

import java.io.File;
import java.io.IOException;

import java.util.List;
import java.util.Vector;

import javax.swing.DefaultCellEditor;
import javax.swing.JCheckBox;
import javax.swing.JOptionPane;
import javax.swing.ListSelectionModel;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;


/**
 * DOCUMENT ME!
 * $Id: jalopy_gnu_src_dist.xml,v 1.3 2007/02/06 13:30:33 hasloe Exp $
 * @author $Author: hasloe $
 * @version $Revision: 1.3 $
 */
public class ExportQtSubtitleDialog extends AbstractTierExportDialog
    implements ListSelectionListener {
    /**
     * DOCUMENT ME!
     *
     * @param parent
     * @param modal
     * @param transcription
     * @param selection
     */
    public ExportQtSubtitleDialog(Frame parent, boolean modal,
        Transcription transcription, Selection selection) {
        super(parent, modal, transcription, selection);
        makeLayout();
        extractTiers();
        postInit();
        restrictCheckBox.requestFocus();
    }

    /**
     * Extract candidate tiers for export.
     */
    protected void extractTiers() {
        if (model != null) {
            for (int i = model.getRowCount() - 1; i >= 0; i--) {
                model.removeRow(i);
            }

            if (transcription != null) {
                Vector v = transcription.getTiers();
                TierImpl t;

                for (int i = 0; i < v.size(); i++) {
                    t = (TierImpl) v.get(i);

                    // add all
                    if (i == 0) {
                        model.addRow(new Object[] { Boolean.TRUE, t.getName() });
                    } else {
                        model.addRow(new Object[] { Boolean.FALSE, t.getName() });
                    }
                }

                if (model.getRowCount() > 0) {
                    tierTable.setRowSelectionInterval(0, 0);
                }
            }
        }
    }

    /**
     * Initializes UI elements. Note: (for the time being) the checkbox column
     * indicating the selected state has been removed. It isn't that useful in
     * a single selection mode. The table could be replaced by a JList. When
     * the checkbox column would  be added again one of two things should
     * happen: either a custom tablecelleditor should be written for the
     * checkbox column or the valueChanged method should iterate over all rows
     * and uncheck all boxes, except the one for the selected roe.
     */
    protected void makeLayout() {
        super.makeLayout();
        model.setColumnIdentifiers(new String[] { EXPORT_COLUMN, TIER_NAME_COLUMN });

        tierTable.getColumn(EXPORT_COLUMN).setCellEditor(new DefaultCellEditor(
                new JCheckBox()));
        tierTable.getColumn(EXPORT_COLUMN).setCellRenderer(new CheckBoxTableCellRenderer());
        tierTable.getColumn(EXPORT_COLUMN).setMaxWidth(30);
        tierTable.setShowVerticalLines(false);
        tierTable.setTableHeader(null);
        tierTable.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

        tierTable.getSelectionModel().addListSelectionListener(this);

        // options
        GridBagConstraints gridBagConstraints = new GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;

        //gridBagConstraints.gridwidth = 3;
        gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.anchor = GridBagConstraints.WEST;
        gridBagConstraints.insets = insets;
        optionsPanel.add(restrictCheckBox, gridBagConstraints);

        updateLocale();
    }

    /**
     * @see mpi.eudico.client.annotator.export.AbstractTierExportDialog#startExport()
     */
    protected boolean startExport() throws IOException {
        List selectedTiers = getSelectedTiers();

        if (selectedTiers.size() == 0) {
            JOptionPane.showMessageDialog(this,
                ElanLocale.getString("ExportTradTranscript.Message.NoTiers"),
                ElanLocale.getString("Message.Warning"),
                JOptionPane.WARNING_MESSAGE);

            return false;
        }

        // prompt for file name and location
        File exportFile = promptForFile(ElanLocale.getString(
                    "ExportQtSubtitleDialog.Title"), FileExtension.TEXT_EXT);

        if (exportFile == null) {
            return false;
        }

        String[] tierNames = (String[]) selectedTiers.toArray(new String[0]);

        if (restrictCheckBox.isSelected()) {
            Transcription2QtSubtitle.exportTiers(transcription, tierNames,
                exportFile, selection.getBeginTime(), selection.getEndTime());
        } else {
            Transcription2QtSubtitle.exportTiers(transcription, tierNames,
                exportFile);
        }

        return true;
    }

    /**
     * @see mpi.eudico.client.annotator.export.AbstractTierExportDialog#updateLocale()
     */
    protected void updateLocale() {
        super.updateLocale();
        setTitle(ElanLocale.getString("ExportQtSubtitleDialog.Title"));
        titleLabel.setText(ElanLocale.getString(
                "ExportQtSubtitleDialog.TitleLabel"));
    }

    /**
     * Updates the checked state of the export checkboxes.
     */
    public void valueChanged(ListSelectionEvent lse) {
        if ((model != null) && lse.getValueIsAdjusting()) {
            int b = lse.getFirstIndex();
            int e = lse.getLastIndex();
            int col = model.findColumn(EXPORT_COLUMN);

            for (int i = b; i <= e; i++) {
                if (tierTable.isRowSelected(i)) {
                    model.setValueAt(Boolean.TRUE, i, col);
                }
            }
        }
    }
}