Пример #1
0
  void doCaretUpdate(int dot, int mark) {
    if (dot == mark) {
      mainFrame.cutItem.setEnabled(false);
      mainFrame.copyItem.setEnabled(false);
      mainFrame.deleteItem.setEnabled(false);
    } else {
      mainFrame.cutItem.setEnabled(true);
      mainFrame.copyItem.setEnabled(true);
      mainFrame.deleteItem.setEnabled(true);
    }

    int length = sourceArea.getText().length();
    if (length == 0 || abs(mark - dot) == length) {
      mainFrame.selectAllItem.setEnabled(false);
    } else {
      mainFrame.selectAllItem.setEnabled(true);
    }

    try {
      if (length == 0) {
        mainFrame.selectLineItem.setEnabled(false);
      } else {
        int lineNum = sourceArea.getLineOfOffset(dot);
        int startLine = sourceArea.getLineStartOffset(lineNum);
        int endLine = sourceArea.getLineEndOffset(lineNum);
        if (endLine - startLine <= 1) {
          mainFrame.selectLineItem.setEnabled(false);
        } else {
          mainFrame.selectLineItem.setEnabled(true);
        }
      }
    } catch (BadLocationException ex) {
      ex.printStackTrace();
    }

    try {
      int line = sourceArea.getLineOfOffset(dot);
      lineText.setText(Integer.toString(line + 1));
      int column = dot - sourceArea.getLineStartOffset(line);
      columnText.setText(Integer.toString(column + 1));
    } catch (BadLocationException ex) {
      ex.printStackTrace();
    }
  }
Пример #2
0
  private void highlightError(int index) {
    String message = (String) messages.elementAt(index);
    int i = message.indexOf(":");

    if ((i != -1) && (i < 10)) {
      try {
        int lineNumber = Integer.parseInt(message.substring(0, i).trim()) - 1;
        if (lineNumber < sourceArea.getLineCount()) {
          int start = sourceArea.getLineStartOffset(lineNumber);
          int end = sourceArea.getLineEndOffset(lineNumber);

          sourceArea.requestFocus();
          sourceArea.setSelectionStart(start);
          sourceArea.setSelectionEnd(end - 1);
        }
      } catch (Exception ex) {
        ex.printStackTrace();
      }
    }
  }