示例#1
0
 protected void fileNew() {
   if (currentFile != null) {
     if (!currentFile.isDirectory()) {
       currentFile = currentFile.getParentFile();
     }
   }
   graph.clear();
   gp.update(gp.getGraphics());
 }
示例#2
0
  protected void fileOpen() {
    JFileChooser chooser = null;
    if (currentFile == null) {
      chooser = new JFileChooser(startDirectory);
    } else {
      chooser = new JFileChooser(currentFile);
    }

    int returnVal = chooser.showOpenDialog(gw);
    if (returnVal == JFileChooser.APPROVE_OPTION) {

      graph.clear();
      currentFile = chooser.getSelectedFile();
      graph.loadAll(currentFile);
      gp.update(gp.getGraphics());
    }
  }