Beispiel #1
0
  /**
   * @see processing.app.Editor#handleCommentUncomment
   * @author fry
   */
  public void handleCommentUncomment() {
    // TODO startCompoundEdit();

    int startLine = textarea.getSelectionStartLine();
    int stopLine = textarea.getSelectionStopLine();

    int lastLineStart = textarea.getLineStartOffset(stopLine);
    int selectionStop = textarea.getSelectionStop();
    // If the selection ends at the beginning of the last line,
    // then don't (un)comment that line.
    if (selectionStop == lastLineStart) {
      // Though if there's no selection, don't do that
      if (textarea.isSelectionActive()) {
        stopLine--;
      }
    }

    // If the text is empty, ignore the user.
    // Also ensure that all lines are commented (not just the first)
    // when determining whether to comment or uncomment.
    int length = textarea.getDocumentLength();
    boolean commented = true;
    for (int i = startLine; commented && (i <= stopLine); i++) {
      int pos = textarea.getLineStartOffset(i);
      if (pos + 2 > length) {
        commented = false;
      } else {
        // Check the first two characters to see if it's already a comment.
        String begin = textarea.getText(pos, 2);
        // System.out.println("begin is '" + begin + "'");
        commented = begin.equals("//");
      }
    }

    for (int line = startLine; line <= stopLine; line++) {
      int location = textarea.getLineStartOffset(line);
      if (commented) {
        // remove a comment
        textarea.select(location, location + 2);
        if (textarea.getSelectedText().equals("//")) {
          textarea.setSelectedText("");
          // pseudo-code:
          // find open code windows
          // find localLocation
          // insert/remove
          // update all codeblocks after
        }
      } else {
        // add a comment
        textarea.select(location, location);
        textarea.setSelectedText("//");
      }
    }
    // Subtract one from the end, otherwise selects past the current line.
    // (Which causes subsequent calls to keep expanding the selection)
    textarea.select(
        textarea.getLineStartOffset(startLine), textarea.getLineStopOffset(stopLine) - 1);

    //    stopCompoundEdit();
  }
Beispiel #2
0
 private Point getCaretLocation() {
   Point loc = new Point();
   TextAreaPainter painter = textArea.getPainter();
   FontMetrics fm = painter.getFontMetrics();
   int offsetY = fm.getHeight() - COMPOSING_UNDERBAR_HEIGHT;
   int lineIndex = textArea.getCaretLine();
   loc.y = lineIndex * fm.getHeight() + offsetY;
   int offsetX = textArea.getCaretPosition() - textArea.getLineStartOffset(lineIndex);
   loc.x = textArea.offsetToX(lineIndex, offsetX);
   return loc;
 }
Beispiel #3
0
  /**
   * @see processing.app.Editor#handleIndentOutdent
   * @author fry
   */
  public void handleIndentOutdent(boolean indent) {
    int tabSize = Preferences.getInteger("editor.tabs.size");
    String tabString = "                        ".substring(0, tabSize);

    //    TODO startCompoundEdit();

    int startLine = textarea.getSelectionStartLine();
    int stopLine = textarea.getSelectionStopLine();

    // If the selection ends at the beginning of the last line,
    // then don't (un)comment that line.
    int lastLineStart = textarea.getLineStartOffset(stopLine);
    int selectionStop = textarea.getSelectionStop();
    if (selectionStop == lastLineStart) {
      // Though if there's no selection, don't do that
      if (textarea.isSelectionActive()) {
        stopLine--;
      }
    }

    for (int line = startLine; line <= stopLine; line++) {
      int location = textarea.getLineStartOffset(line);

      if (indent) {
        textarea.select(location, location);
        textarea.setSelectedText(tabString);

      } else { // outdent
        textarea.select(location, location + tabSize);
        // Don't eat code if it's not indented
        if (textarea.getSelectedText().equals(tabString)) {
          textarea.setSelectedText("");
        }
      }
    }
    // Subtract one from the end, otherwise selects past the current line.
    // (Which causes subsequent calls to keep expanding the selection)
    textarea.select(
        textarea.getLineStartOffset(startLine), textarea.getLineStopOffset(stopLine) - 1);
    //    stopCompoundEdit();
  }