Esempio n. 1
0
 private void updateDisplay() {
   // first, set block colours
   textView.setBackground(getColour(backgroundColour("text-background-colour")));
   textView.setForeground(getColour(foregroundColour("text-foreground-colour")));
   textView.setCaretColor(getColour(foregroundColour("text-caret-colour")));
   problemsView.setBackground(getColour(backgroundColour("problems-background-colour")));
   problemsView.setForeground(getColour(foregroundColour("problems-foreground-colour")));
   consoleView.setBackground(getColour(backgroundColour("console-background-colour")));
   consoleView.setForeground(getColour(foregroundColour("console-foreground-colour")));
   // second, set colours on the code!
   java.util.List<Lexer.Token> tokens = Lexer.tokenise(textView.getText(), true);
   int pos = 0;
   for (Lexer.Token t : tokens) {
     int len = t.toString().length();
     if (t instanceof Lexer.RightBrace || t instanceof Lexer.LeftBrace) {
       highlightArea(pos, len, foregroundColour("text-brace-colour"));
     } else if (t instanceof Lexer.Strung) {
       highlightArea(pos, len, foregroundColour("text-string-colour"));
     } else if (t instanceof Lexer.Comment) {
       highlightArea(pos, len, foregroundColour("text-comment-colour"));
     } else if (t instanceof Lexer.Quote) {
       highlightArea(pos, len, foregroundColour("text-quote-colour"));
     } else if (t instanceof Lexer.Comma) {
       highlightArea(pos, len, foregroundColour("text-comma-colour"));
     } else if (t instanceof Lexer.Identifier) {
       highlightArea(pos, len, foregroundColour("text-identifier-colour"));
     } else if (t instanceof Lexer.Integer) {
       highlightArea(pos, len, foregroundColour("text-integer-colour"));
     }
     pos += len;
   }
 }
Esempio n. 2
0
  private boolean checkForSave() {
    // build warning message
    String message;
    if (file == null) {
      message = "File has been modified.  Save changes?";
    } else {
      message = "File \"" + file.getName() + "\" has been modified.  Save changes?";
    }

    // show confirm dialog
    int r =
        JOptionPane.showConfirmDialog(
            this,
            new JLabel(message),
            "Warning!",
            JOptionPane.YES_NO_CANCEL_OPTION,
            JOptionPane.WARNING_MESSAGE);

    if (r == JOptionPane.YES_OPTION) {
      // Save File
      if (fileChooser.showSaveDialog(this) == JFileChooser.APPROVE_OPTION) {
        // write the file
        physWriteTextFile(fileChooser.getSelectedFile(), textView.getText());
      } else {
        // user cancelled save after all
        return false;
      }
    }
    return r != JOptionPane.CANCEL_OPTION;
  }
Esempio n. 3
0
 public void evaluate() {
   try {
     // clear problems and console messages
     problemsView.setText("");
     consoleView.setText("");
     // update status view
     statusView.setText(" Parsing ...");
     tabbedPane.setSelectedIndex(0);
     LispExpr root = Parser.parse(textView.getText());
     statusView.setText(" Running ...");
     tabbedPane.setSelectedIndex(1);
     // update run button
     runButton.setIcon(stopImage);
     runButton.setActionCommand("Stop");
     // start run thread
     runThread = new RunThread(root);
     runThread.start();
   } catch (SyntaxError e) {
     tabbedPane.setSelectedIndex(0);
     System.err.println(
         "Syntax Error at " + e.getLine() + ", " + e.getColumn() + " : " + e.getMessage());
   } catch (Error e) {
     // parsing error
     System.err.println(e.getMessage());
     statusView.setText(" Errors.");
   }
 }
Esempio n. 4
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 public void saveFile() {
   if (file == null) {
     // first save file, so prompt for name.
     saveFileAs();
   } else {
     // file already named so just write it.
     physWriteTextFile(file, textView.getText());
     // update status
     statusView.setText(" Saved file \"" + file.getName() + "\".");
     // reset dirty bit
     dirty = false;
   }
 }
Esempio n. 5
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 public void saveFileAs() {
   // Force user to enter new file name
   if (fileChooser.showSaveDialog(this) == JFileChooser.APPROVE_OPTION) {
     file = fileChooser.getSelectedFile();
   } else {
     // user cancelled save after all
     return;
   }
   // file selected, so write it.
   physWriteTextFile(file, textView.getText());
   // update status
   statusView.setText(" Saved file \"" + file.getName() + "\".");
   // reset dirty bit
   dirty = false;
 }
Esempio n. 6
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 public void prettyPrint() {
   try {
     // clear old problem messages
     problemsView.setText("");
     // update status view
     statusView.setText(" Parsing ...");
     LispExpr root = Parser.parse(textView.getText());
     statusView.setText(" Pretty Printing ...");
     String newText = PrettyPrinter.prettyPrint(root);
     textView.setText(newText);
     statusView.setText(" Done.");
   } catch (Error e) {
     System.err.println(e.getMessage());
     statusView.setText(" Errors.");
   }
 }