ClipHelper.pde

// //////////////////
// Clipboard class for Processing
// by seltar, modified by adamohern
// v 0115AO
// only works with programs. applets require signing

// CLIPHELPER OBJECT CLASS:

class ClipHelper {
      Clipboard clipboard;

      ClipHelper() {
            getClipboard();
      }

      void getClipboard () {
            // this is our simple thread that grabs the clipboard
            Thread clipThread = new Thread() {
                  public void run() {
                        clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
                  }
            };

            // start the thread as a daemon thread and wait for it to die
            if (clipboard == null) {
                  try {
                        clipThread.setDaemon(true);
                        clipThread.start();
                        clipThread.join();
                  }  
                  catch (Exception e) {
                  }
            }
      }

      void copyString (String data) {
            copyTransferableObject(new StringSelection(data));
      }

      void copyTransferableObject (Transferable contents) {
            getClipboard();
            clipboard.setContents(contents, null);
      }

      String pasteString () {
            String data = null;
            try {
                  data = (String)pasteObject(DataFlavor.stringFlavor);
            }  
            catch (Exception e) {
                  System.err.println("Error getting String from clipboard: " + e);
            }
            //println(data);
            return data;
      }

      Object pasteObject (DataFlavor flavor)  
            throws UnsupportedFlavorException, IOException
      {
            Object obj = null;
            getClipboard();

            Transferable content = clipboard.getContents(null);
            if (content != null)
                  obj = content.getTransferData(flavor);

            return obj;
      }
}