📄 mediafilespanel.java
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moveUpButton.setEnabled(false); } else { masterMB.setEnabled(true); moveUpButton.setEnabled(true); } if (row == (currentMDCopy.size() - 1)) { moveDownButton.setEnabled(false); } else { moveDownButton.setEnabled(true); } MediaDescriptor md = (MediaDescriptor) currentMDCopy.get(row); if (md.mimeType.equals(MediaDescriptor.WAV_MIME_TYPE)) { extractMB.setEnabled(true); } else { extractMB.setEnabled(false); } } else { removeMB.setEnabled(false); updateMB.setEnabled(false); masterMB.setEnabled(false); extractMB.setEnabled(false); moveUpButton.setEnabled(false); moveDownButton.setEnabled(false); } fillInfoPanel(row); } /** * Sets the contents of the media file info panel. A JLabel with html * formatting is used for the info strings, which are a kind of key-value * pairs. * * @param row the source MediaDescriptor for the info, when null empty * value strings are used */ private void fillInfoPanel(int row) { TableModel model = mediaTable.getModel(); Object masterObj = model.getValueAt(row, 5); Object linkedObj = model.getValueAt(row, 6); boolean isMaster = (masterObj instanceof Boolean) ? ((Boolean) masterObj).booleanValue() : false; boolean isLinked = (linkedObj instanceof Boolean) ? ((Boolean) linkedObj).booleanValue() : false; linkInfoLabel.setText("<html><table>" + "<tr><td>" + model.getColumnName(0) + "</td><td>" + ((model.getValueAt(row, 0) != null) ? model.getValueAt(row, 0) : "") + "</td></tr>" + "<tr><td>" + model.getColumnName(1) + "</td><td>" + ((model.getValueAt(row, 1) != null) ? model.getValueAt(row, 1) : "") + "</td></tr>" + "<tr><td>" + model.getColumnName(2) + "</td><td>" + ((model.getValueAt(row, 2) != null) ? model.getValueAt(row, 2) : "") + "</td></tr>" + "<tr><td>" + model.getColumnName(3) + "</td><td>" + ((model.getValueAt(row, 3) != null) ? model.getValueAt(row, 3) : "") + "</td></tr>" + "<tr><td>" + model.getColumnName(4) + "</td><td>" + ((model.getValueAt(row, 4) != null) ? model.getValueAt(row, 4) : "") + "</td></tr>" + "<tr><td>" + model.getColumnName(5) + "</td><td>" + ((model.getValueAt(row, 5) != null) ? (isMaster ? ElanLocale.getString("LinkedFilesDialog.Label.Yes") : ElanLocale.getString("LinkedFilesDialog.Label.No")) : "") + "</td></tr>" + "<tr><td>" + model.getColumnName(6) + "</td><td>" + ((model.getValueAt(row, 6) != null) ? (isLinked ? ElanLocale.getString("LinkedFilesDialog.Label.StatusLinked") : ElanLocale.getString("LinkedFilesDialog.Label.StatusMissing")) : "") + "</td></tr>" + "</table></html>"); } /** * Shows a FileChhoser for a mediafile. * * @param mediaType DOCUMENT ME! * * @return the full path to a mediafile as a String, or null */ private String chooseMediaFile(int mediaType) { JFileChooser chooser = new JFileChooser(); if (mediaType == ElanFileFilter.MEDIA_TYPE) { FileFilter mediaFilter = ElanFileFilter.createFileFilter(mediaType); chooser.addChoosableFileFilter(mediaFilter); chooser.addChoosableFileFilter(ElanFileFilter.createFileFilter( ElanFileFilter.MP4_TYPE)); chooser.addChoosableFileFilter(ElanFileFilter.createFileFilter( ElanFileFilter.QT_TYPE)); chooser.setFileFilter(mediaFilter); } else { chooser.addChoosableFileFilter(ElanFileFilter.createFileFilter( mediaType)); } chooser.setDialogTitle(ElanLocale.getString( "LinkedFilesDialog.SelectMediaDialog.Title")); chooser.setApproveButtonText(ElanLocale.getString( "LinkedFilesDialog.SelectMediaDialog.Approve")); String dir = (String) Preferences.get("MediaDir", null); if (dir == null) { // user.dir is probably a better choice than home.dir? dir = System.getProperty("user.dir"); } chooser.setCurrentDirectory(new File(dir)); int option = chooser.showOpenDialog(this); if (option == JFileChooser.APPROVE_OPTION) { File selected = chooser.getSelectedFile(); if ((selected != null) && selected.exists()) { String selectedFilePath = selected.getAbsolutePath(); String mediaDir = selected.getParent(); Preferences.set("MediaDir", mediaDir, null); return selectedFilePath; } } return null; } /** * Presents an input pane for an rtsp streaming address. * Copied from MultiFileChooser. * @return the string/url of the new file. */ private String chooseRemoteFile() { Object rf = JOptionPane.showInputDialog(this, ElanLocale.getString("Frame.ElanFrame.NewDialog.RemoteLabel"), ElanLocale.getString("Frame.ElanFrame.NewDialog.RemoteMedia"), JOptionPane.PLAIN_MESSAGE, null, null, "rtsp://"); if (rf == null) { return null; } String url = (String) rf; url.replace('\\', '/'); // try some simple repairs boolean valid = true; if (!url.startsWith("rtsp")) { int ds = url.indexOf("//"); if (ds > -1) { url = "rtsp:" + url.substring(ds); } else { url = "rtsp://" + url; } } if (url.indexOf("://") != 4) { valid = false; // do not even try to repair } int dot = url.lastIndexOf('.'); int slash = url.lastIndexOf('/'); if ((dot < 0) || (dot < slash) || ((dot > slash) && (slash <= 7))) { valid = false; } // no use trying to check the string as an URL (doesn't know the rtsp protocol) // or URI (accepts almost any string) if (!valid) { JOptionPane.showMessageDialog(this, ElanLocale.getString("Frame.ElanFrame.NewDialog.RemoteMessage") + url, ElanLocale.getString("Message.Error"), JOptionPane.ERROR_MESSAGE); addRemoteMedia(); } return url; } /** * Shows a warning/error dialog with the specified message string. * * @param message the message to display */ private void showWarningDialog(String message) { JOptionPane.showMessageDialog(this, message, ElanLocale.getString("Message.Warning"), JOptionPane.WARNING_MESSAGE); } /** * Shows a yes-no option dialog with the specified question. * * @param question the question * * @return true if the user's answer is confirmative, false otherwise */ private boolean showOptionDialog(String question) { int option = JOptionPane.showOptionDialog(this, question, ElanLocale.getString("LinkedFilesDialog.Title"), JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null, new String[] { ElanLocale.getString("Button.Yes"), ElanLocale.getString("Button.No") }, ElanLocale.getString("Button.Yes")); return (option == JOptionPane.YES_OPTION); } /** * Lets the user select a linked video file that has been the source for * the audio file in the specified MediaDescriptor. * * @param forAudioMD the descriptor of the audio file * * @return the url of the source video file */ private String showVideoSelectionDialog(MediaDescriptor forAudioMD) { if (forAudioMD == null) { return null; } List videos = new ArrayList(); videos.add(NO_SOURCE); MediaDescriptor md; for (int i = 0; i < currentMDCopy.size(); i++) { md = (MediaDescriptor) currentMDCopy.get(i); if (md.mimeType.equals(MediaDescriptor.MPG_MIME_TYPE)) { videos.add(md.mediaURL); } } String option = (String) JOptionPane.showInputDialog(this, ElanLocale.getString("LinkedFilesDialog.Question.SelectSource"), ElanLocale.getString("LinkedFilesDialog.Title"), JOptionPane.QUESTION_MESSAGE, null, videos.toArray(), NO_SOURCE); return option; } /** * Tests the media descriptors for video files and extracted audio files * with different offsets. When found a warning message is displayed. */ private void checkUnequalOffsets() { if (currentMDCopy.size() < 2) { return; } StringBuffer mesBuf = null; MediaDescriptor amd; MediaDescriptor vmd; for (int i = 0; i < currentMDCopy.size(); i++) { amd = (MediaDescriptor) currentMDCopy.get(i); if (amd.mimeType.equals(MediaDescriptor.WAV_MIME_TYPE)) { for (int j = 0; j < currentMDCopy.size(); j++) { vmd = (MediaDescriptor) currentMDCopy.get(j); if (MediaDescriptorUtil.isVideoType(vmd)) { if (vmd.mediaURL.equals(amd.extractedFrom) && (j != 0) && (vmd.timeOrigin != amd.timeOrigin)) { // add to the list if (mesBuf == null) { mesBuf = new StringBuffer(ElanLocale.getString( "LinkedFilesDialog.Message.OffsetNotEqual")); mesBuf.append("\n\n"); } mesBuf.append("- " + vmd.mediaURL + "\n"); mesBuf.append("- " + amd.mediaURL + "\n\n"); break; } } } } } if (mesBuf != null) { showWarningDialog(mesBuf.toString()); } } /** * The action performed method. * * @param actionEvent DOCUMENT ME! */ public void actionPerformed(ActionEvent actionEvent) { Object source = actionEvent.getSource(); if (source == addMB) { addMediaDescriptor(); } else if (source == removeMB) { removeMediaDescriptor(); } else if (source == updateMB) { updateMediaDescriptor(); } else if (source == masterMB) { setMasterMedia(); } else if (source == extractMB) { setExtractedFrom(); } else if (source == moveUpButton) { moveUp(); } else if (source == moveDownButton) { moveDown(); } else if (source == addRemoteMB) { addRemoteMedia(); } } /** * Updates some buttons after a change in the selected row. * * @param lse the event * * @see javax.swing.event.ListSelectionListener#valueChanged(javax.swing.event.ListSelectionEvent) */ public void valueChanged(ListSelectionEvent lse) { if (!lse.getValueIsAdjusting()) { updateUIComponents(); } } /** * Updates some buttons after a change in the table model. * * @param tme the event * * @see javax.swing.event.ListSelectionListener#valueChanged(javax.swing.event.ListSelectionEvent) */ public void tableChanged(TableModelEvent tme) { updateUIComponents(); }}⌨️ 快捷键说明
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