/** * Tries to insert words into the text area. Displays a dialog if the attempt fails. * * @param words the words to insert */ public void insertWords(String words) { try { textArea.append(words + "\n"); } catch (SecurityException ex) { JOptionPane.showMessageDialog(this, "I am sorry, but I cannot do that."); ex.printStackTrace(); } }
/** Enqueues the Runnable object, and executes it on a processor thread. */ public void dispatch(Runnable runner, boolean isLIFO) { isLIFO = false; synchronized (queue) { if (threadCount < maxThreadCount) { if (isLIFO) { queue.addFirst(runner); } else { queue.addLast(runner); } Thread processor = new Thread(this + " Processor") { public void run() { processEvents(); } }; threadCount++; // The processor thread must not be a daemon, // or else the Java VM might stop before // all runnables have been processed. try { processor.setDaemon(false); } catch (SecurityException e) { e.printStackTrace(); } try { processor.setPriority(priority); } catch (SecurityException e) { e.printStackTrace(); } processor.start(); return; } else if (blockingPolicy == ENQUEUE_WHEN_BLOCKED) { if (isLIFO) { queue.addFirst(runner); } else { queue.addLast(runner); } return; } } // implicit: if (threadCount >= maxThreadCount && blockingPolicy == RUN_WHEN_BLOCKED) runner.run(); }
public boolean saveMidiFile(File file) { try { int[] fileTypes = MidiSystem.getMidiFileTypes(sequence); if (fileTypes.length == 0) { System.out.println("Can't save sequence"); return false; } else { if (MidiSystem.write(sequence, fileTypes[0], file) == -1) { throw new IOException("Problems writing to file"); } return true; } } catch (SecurityException ex) { ex.printStackTrace(); return false; } catch (Exception ex) { ex.printStackTrace(); return false; } }
public void actionPerformed(ActionEvent event) { int selected = editor.getSelectedRow(); if (selected == -1) return; FileListEntry flEntry = editor.getTableModel().getEntry(selected); // Check if the current file exists: String ln = flEntry.getLink(); boolean httpLink = ln.toLowerCase().startsWith("http"); if (httpLink) { // TODO: notify that this operation cannot be done on remote links } // Get an absolute path representation: String dir = frame.basePanel().metaData().getFileDirectory(GUIGlobals.FILE_FIELD); if ((dir == null) || (dir.trim().length() == 0) || !(new File(dir)).exists()) { JOptionPane.showMessageDialog( frame, Globals.lang("File_directory_is_not_set_or_does_not_exist!"), Globals.lang("Move/Rename file"), JOptionPane.ERROR_MESSAGE); return; } File file = new File(ln); if (!file.isAbsolute()) { file = Util.expandFilename(ln, new String[] {dir}); } if ((file != null) && file.exists()) { // Ok, we found the file. Now get a new name: String extension = null; if (flEntry.getType() != null) extension = "." + flEntry.getType().getExtension(); File newFile = null; boolean repeat = true; while (repeat) { repeat = false; String chosenFile; if (toFileDir) { String suggName = eEditor.getEntry().getCiteKey() + extension; CheckBoxMessage cbm = new CheckBoxMessage( Globals.lang("Move file to file directory?"), Globals.lang("Rename to '%0'", suggName), Globals.prefs.getBoolean("renameOnMoveFileToFileDir")); int answer; // Only ask about renaming file if the file doesn't have the proper name already: if (!suggName.equals(file.getName())) answer = JOptionPane.showConfirmDialog( frame, cbm, Globals.lang("Move/Rename file"), JOptionPane.YES_NO_OPTION); else answer = JOptionPane.showConfirmDialog( frame, Globals.lang("Move file to file directory?"), Globals.lang("Move/Rename file"), JOptionPane.YES_NO_OPTION); if (answer != JOptionPane.YES_OPTION) return; Globals.prefs.putBoolean("renameOnMoveFileToFileDir", cbm.isSelected()); StringBuilder sb = new StringBuilder(dir); if (!dir.endsWith(File.separator)) sb.append(File.separator); if (cbm.isSelected()) { // Rename: sb.append(suggName); } else { // Do not rename: sb.append(file.getName()); } chosenFile = sb.toString(); } else { chosenFile = FileDialogs.getNewFile(frame, file, extension, JFileChooser.SAVE_DIALOG, false); } if (chosenFile == null) { return; // cancelled } newFile = new File(chosenFile); // Check if the file already exists: if (newFile.exists() && (JOptionPane.showConfirmDialog( frame, "'" + newFile.getName() + "' " + Globals.lang("exists. Overwrite file?"), Globals.lang("Move/Rename file"), JOptionPane.OK_CANCEL_OPTION) != JOptionPane.OK_OPTION)) { if (!toFileDir) repeat = true; else return; } } if (!newFile.equals(file)) { try { boolean success = file.renameTo(newFile); if (!success) { success = Util.copyFile(file, newFile, true); } if (success) { // Remove the original file: file.delete(); // Relativise path, if possible. String canPath = (new File(dir)).getCanonicalPath(); if (newFile.getCanonicalPath().startsWith(canPath)) { if ((newFile.getCanonicalPath().length() > canPath.length()) && (newFile.getCanonicalPath().charAt(canPath.length()) == File.separatorChar)) flEntry.setLink(newFile.getCanonicalPath().substring(1 + canPath.length())); else flEntry.setLink(newFile.getCanonicalPath().substring(canPath.length())); } else flEntry.setLink(newFile.getCanonicalPath()); eEditor.updateField(editor); JOptionPane.showMessageDialog( frame, Globals.lang("File moved"), Globals.lang("Move/Rename file"), JOptionPane.INFORMATION_MESSAGE); } else { JOptionPane.showMessageDialog( frame, Globals.lang("Move file failed"), Globals.lang("Move/Rename file"), JOptionPane.ERROR_MESSAGE); } } catch (SecurityException ex) { ex.printStackTrace(); JOptionPane.showMessageDialog( frame, Globals.lang("Could not move file") + ": " + ex.getMessage(), Globals.lang("Move/Rename file"), JOptionPane.ERROR_MESSAGE); } catch (IOException ex) { ex.printStackTrace(); JOptionPane.showMessageDialog( frame, Globals.lang("Could not move file") + ": " + ex.getMessage(), Globals.lang("Move/Rename file"), JOptionPane.ERROR_MESSAGE); } } } else { // File doesn't exist, so we can't move it. JOptionPane.showMessageDialog( frame, Globals.lang("Could not find file '%0'.", flEntry.getLink()), Globals.lang("File not found"), JOptionPane.ERROR_MESSAGE); } }