Method paste

app/src/processing/app/syntax/JEditTextArea.java:1766–1830

Inserts the clipboard contents into the text.

()

   * Inserts the clipboard contents into the text.
   */
  public void paste() {
//    System.out.println("focus owner is: " + isFocusOwner());
    if (editable) {
      Clipboard clipboard = getToolkit().getSystemClipboard();
      try {
        String selection =
          ((String) clipboard.getContents(this).getTransferData(DataFlavor.stringFlavor));

        if (selection.contains("\r\n")) {
          selection = selection.replaceAll("\r\n", "\n");

        } else if (selection.contains("\r")) {
          // The Mac OS MRJ doesn't convert \r to \n, so do it here
          selection = selection.replace('\r','\n');
        }

        // Remove tabs and replace with spaces
        // http://code.google.com/p/processing/issues/detail?id=69
        if (selection.contains("\t")) {
          int tabSize = Preferences.getInteger("editor.tabs.size");
          char[] c = new char[tabSize];
          Arrays.fill(c, ' ');
          String tabString = new String(c);
          selection = selection.replaceAll("\t", tabString);
        }

        // Replace unicode x00A0 (non-breaking space) with just a plain space.
        // Seen often on Mac OS X when pasting from Safari. [fry 030929]
        selection = selection.replace('\u00A0', ' ');

        // Remove ASCII NUL characters. Reported when pasting from
        // Acrobat Reader and PDF documents. [fry 130719]
        // https://github.com/processing/processing/issues/1973
        if (selection.indexOf('\0') != -1) {
          //System.out.println("found NUL charaacters");
          //int before = selection.length();
          selection = selection.replaceAll("\0", "");
          //int after = selection.length();
          //System.out.println(before + " " + after);
        }

        int repeatCount = inputHandler.getRepeatCount();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < repeatCount; i++) {
          sb.append(selection);
        }
        selection = sb.toString();
        setSelectedText(selection);

      } catch (Exception e) {
        getToolkit().beep();
        System.err.println("Clipboard does not contain a string");
        DataFlavor[] flavors = clipboard.getAvailableDataFlavors();
        for (DataFlavor f : flavors) {
          try {
            Object o = clipboard.getContents(this).getTransferData(f);
            System.out.println(f + " = " + o);
          } catch (Exception ex) {