@Override
  protected Transferable createTransferable(JComponent c) {
    JTextPane aTextPane = (JTextPane) c;

    HTMLEditorKit kit = ((HTMLEditorKit) aTextPane.getEditorKit());
    StyledDocument sdoc = aTextPane.getStyledDocument();
    int sel_start = aTextPane.getSelectionStart();
    int sel_end = aTextPane.getSelectionEnd();

    int i = sel_start;
    StringBuilder output = new StringBuilder();
    while (i < sel_end) {
      Element e = sdoc.getCharacterElement(i);
      Object nameAttr = e.getAttributes().getAttribute(StyleConstants.NameAttribute);
      int start = e.getStartOffset(), end = e.getEndOffset();
      if (nameAttr == HTML.Tag.BR) {
        output.append("\n");
      } else if (nameAttr == HTML.Tag.CONTENT) {
        if (start < sel_start) {
          start = sel_start;
        }
        if (end > sel_end) {
          end = sel_end;
        }
        try {
          String str = sdoc.getText(start, end - start);
          output.append(str);
        } catch (BadLocationException ble) {
          Debug.error(me + "Copy-paste problem!\n%s", ble.getMessage());
        }
      }
      i = end;
    }
    return new StringSelection(output.toString());
  }
 private void addStyledText(String text, Style style) {
   try {
     doc.insertString(doc.getLength(), text, style);
   } catch (BadLocationException ble) {
     ble.printStackTrace();
   }
 }
 private void initializeStyles() {
   errorStyle =
       doc.addStyle(
           "errorStyle",
           StyleContext.getDefaultStyleContext().getStyle(StyleContext.DEFAULT_STYLE));
   errorStyleRed = doc.addStyle("errorStyleRed", errorStyle);
   StyleConstants.setForeground(errorStyleRed, Color.RED);
   errorStyleMono = doc.addStyle("errorStyleMono", errorStyle);
   StyleConstants.setFontFamily(errorStyleMono, "Monospaced");
 }
Esempio n. 4
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    private void loadStyles(StyledDocument doc) {
      Style def = StyleContext.getDefaultStyleContext().getStyle(StyleContext.DEFAULT_STYLE);
      StyleConstants.setFontFamily(def, "Courier New");

      // Add normal style
      Style normal = doc.addStyle("normal", def);
      StyleConstants.setForeground(def, Color.LIGHT_GRAY);

      // Add highlighted style from normal
      Style red = doc.addStyle("red", normal);
      StyleConstants.setForeground(red, Color.RED);
    }
Esempio n. 5
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 private void handleDecreaseIndent(int line, Element elem, StyledDocument doc)
     throws BadLocationException {
   int start = elem.getStartOffset();
   int end = elem.getEndOffset() - 1;
   doc.getText(start, end - start, segLine);
   int i = segLine.offset;
   end = i + segLine.count;
   if (end > i) {
     String leadingWS = PythonIndentation.getLeadingWhitespace(doc, start, end - start);
     int toRemove = indentationLogic.checkDedent(leadingWS, line + 1);
     doc.remove(start, toRemove);
   }
 }
Esempio n. 6
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    private void setOutput() {
      String[] styles = new String[traceLines.length];
      Pattern p1 = Pattern.compile("uk.co.essarsoftware.par.", Pattern.LITERAL);
      for (int i = 0; i < styles.length; i++) {
        styles[i] = (p1.matcher(traceLines[i]).find() ? "red" : "normal");
      }

      StyledDocument doc = getStyledDocument();
      try {
        for (int i = 0; i < traceLines.length; i++) {
          doc.insertString(doc.getLength(), traceLines[i] + "\n", doc.getStyle(styles[i]));
        }
      } catch (BadLocationException ble) {
        setText("Unexpected exception loading stack trace");
      }
    }
 @Override
 public void mouseClicked(MouseEvent me) {
   Element el = doc.getCharacterElement(viewToModel(me.getPoint()));
   if (el == null) return;
   AttributeSet as = el.getAttributes();
   if (as.isDefined("ip")) {
     String ip = (String) as.getAttribute("ip");
     ScriptException se = (ScriptException) as.getAttribute("exception");
     Node node = net.getAtIP(ip);
     if (node == null) {
       Utility.displayError("Error", "Computer does not exist");
       return;
     }
     String errorString =
         "--ERROR--\n"
             + "Error at line number "
             + se.getLineNumber()
             + " and column number "
             + se.getColumnNumber()
             + "\n"
             + se.getMessage();
     new ScriptDialog(
             parentFrame,
             str -> {
               if (str != null) {
                 node.setScript(str);
               }
             },
             node.getScript(),
             errorString)
         .setVisible(true);
   }
 }
 @Override
 public void mouseMoved(MouseEvent me) {
   Element el = doc.getCharacterElement(viewToModel(me.getPoint()));
   if (el == null) return;
   AttributeSet as = el.getAttributes();
   if (as.isDefined("ip")) {
     setCursor(handCursor);
   } else {
     setCursor(defaultCursor);
   }
 }
Esempio n. 9
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    public void actionPerformed(JTextComponent text) {
      indentationLogic = ((EditorPane) text).getIndentationLogic();
      StyledDocument doc = (StyledDocument) text.getDocument();
      Element map = doc.getDefaultRootElement();
      Caret c = text.getCaret();
      int dot = c.getDot();
      int mark = c.getMark();
      int line1 = map.getElementIndex(dot);

      if (dot != mark) {
        int line2 = map.getElementIndex(mark);
        int begin = Math.min(line1, line2);
        int end = Math.max(line1, line2);
        Element elem;
        try {
          for (line1 = begin; line1 < end; line1++) {
            elem = map.getElement(line1);
            handleDecreaseIndent(line1, elem, doc);
          }
          elem = map.getElement(end);
          int start = elem.getStartOffset();
          if (Math.max(c.getDot(), c.getMark()) != start) {
            handleDecreaseIndent(end, elem, doc);
          }
        } catch (BadLocationException ble) {
          Debug.error(me + "Problem while de-indenting line\n%s", ble.getMessage());
          UIManager.getLookAndFeel().provideErrorFeedback(text);
        }
      } else {
        Element elem = map.getElement(line1);
        try {
          handleDecreaseIndent(line1, elem, doc);
        } catch (BadLocationException ble) {
          Debug.error(me + "Problem while de-indenting line\n%s", ble.getMessage());
          UIManager.getLookAndFeel().provideErrorFeedback(text);
        }
      }
    }
Esempio n. 10
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    private void insertNewlineWithAutoIndent(JTextComponent text) {
      try {
        int caretPos = text.getCaretPosition();
        StyledDocument doc = (StyledDocument) text.getDocument();
        Element map = doc.getDefaultRootElement();
        int lineNum = map.getElementIndex(caretPos);
        Element line = map.getElement(lineNum);
        int start = line.getStartOffset();
        int end = line.getEndOffset() - 1;
        int len = end - start;
        String s = doc.getText(start, len);

        String leadingWS = PythonIndentation.getLeadingWhitespace(doc, start, caretPos - start);
        StringBuffer sb = new StringBuffer("\n");
        sb.append(leadingWS);
        // TODO better control over automatic indentation
        indentationLogic.checkIndent(leadingWS, lineNum + 1);

        // If there is only whitespace between the caret and
        // the EOL, pressing Enter auto-indents the new line to
        // the same place as the previous line.
        int nonWhitespacePos = PythonIndentation.atEndOfLine(doc, caretPos, start, s, len);
        if (nonWhitespacePos == -1) {
          if (leadingWS.length() == len) {
            // If the line was nothing but whitespace, select it
            // so its contents get removed.
            text.setSelectionStart(start);
          } else {
            // Select the whitespace between the caret and the EOL
            // to remove it
            text.setSelectionStart(caretPos);
          }
          text.setSelectionEnd(end);
          text.replaceSelection(sb.toString());
          // auto-indentation for python statements like if, while, for, try,
          // except, def, class and auto-deindentation for break, continue,
          // pass, return
          analyseDocument(doc, lineNum, indentationLogic);
          // auto-completion: add colon if it is obvious
          if (indentationLogic.shouldAddColon()) {
            doc.insertString(caretPos, ":", null);
            indentationLogic.setLastLineEndsWithColon();
          }
          int lastLineChange = indentationLogic.shouldChangeLastLineIndentation();
          int nextLineChange = indentationLogic.shouldChangeNextLineIndentation();
          if (lastLineChange != 0) {
            Debug.log(5, "change line %d indentation by %d columns", lineNum + 1, lastLineChange);
            changeIndentation((DefaultStyledDocument) doc, lineNum, lastLineChange);
            // nextLineChange was determined based on indentation of last line before
            // the change
            nextLineChange += lastLineChange;
          }
          if (nextLineChange != 0) {
            Debug.log(5, "change line %d indentation by %d columns", lineNum + 2, nextLineChange);
            changeIndentation((DefaultStyledDocument) doc, lineNum + 1, nextLineChange);
          }
        } // If there is non-whitespace between the caret and the
        // EOL, pressing Enter takes that text to the next line
        // and auto-indents it to the same place as the last
        // line. Additional auto-indentation or dedentation for
        // specific python statements is only done for the next line.
        else {
          text.setCaretPosition(nonWhitespacePos);
          doc.insertString(nonWhitespacePos, sb.toString(), null);
          analyseDocument(doc, lineNum, indentationLogic);
          int nextLineChange = indentationLogic.shouldChangeNextLineIndentation();
          if (nextLineChange != 0) {
            Debug.log(5, "change line %d indentation by %d columns", lineNum + 2, nextLineChange);
            changeIndentation((DefaultStyledDocument) doc, lineNum + 1, nextLineChange);
          }
        }

      } catch (BadLocationException ble) {
        text.replaceSelection("\n");
        Debug.error(me + "Problem while inserting new line with auto-indent\n%s", ble.getMessage());
      }
    }
  public static void main() {
    // Main
    frame = new JFrame("Java Playground");
    frame.setSize(640, 480);
    // Make sure the divider is properly resized
    frame.addComponentListener(
        new ComponentAdapter() {
          public void componentResized(ComponentEvent c) {
            splitter.setDividerLocation(.8);
          }
        });
    // Make sure the JVM is reset on close
    frame.addWindowListener(
        new WindowAdapter() {
          public void windowClosed(WindowEvent w) {
            new FrameAction().kill();
          }
        });

    // Setting up the keybinding
    // Ctrl+k or Cmd+k -> compile
    bind(KeyEvent.VK_K);

    // Ctrl+e or Cmd+e -> console
    bind(KeyEvent.VK_E);

    // Save, New file, Open file, Print.
    // Currently UNUSED until I figure out how normal java files and playground files will
    // interface.
    bind(KeyEvent.VK_S);
    bind(KeyEvent.VK_N);
    bind(KeyEvent.VK_O);
    bind(KeyEvent.VK_P);

    // Binds the keys to the action defined in the FrameAction class.
    frame.getRootPane().getActionMap().put("console", new FrameAction());

    // The main panel for typing code in.
    text = new JTextPane();
    textScroll = new JScrollPane(text);
    textScroll.setBorder(null);
    textScroll.setPreferredSize(new Dimension(640, 480));

    // Document with syntax highlighting. Currently unfinished.
    doc = text.getStyledDocument();
    doc.addDocumentListener(
        new DocumentListener() {
          public void changedUpdate(DocumentEvent d) {}

          public void insertUpdate(DocumentEvent d) {}

          public void removeUpdate(DocumentEvent d) {}
        });

    ((AbstractDocument) doc).setDocumentFilter(new NewLineFilter());

    // The output log; a combination compiler warning/error/runtime error/output log.
    outputText = new JTextPane();
    outputScroll = new JScrollPane(outputText);
    outputScroll.setBorder(null);

    // "Constant" for the error font
    error = new SimpleAttributeSet();
    error.addAttribute(StyleConstants.CharacterConstants.Italic, Boolean.TRUE);
    error.addAttribute(StyleConstants.Foreground, Color.RED);

    // "Constant" for the warning message font
    warning = new SimpleAttributeSet();
    warning.addAttribute(StyleConstants.CharacterConstants.Italic, Boolean.TRUE);
    warning.addAttribute(StyleConstants.Foreground, Color.PINK);

    // "Constant" for the debugger error font
    progErr = new SimpleAttributeSet();
    progErr.addAttribute(StyleConstants.Foreground, Color.BLUE);

    // Print streams to redirect System.out and System.err.
    out = new TextOutputStream(outputText, null);
    err = new TextOutputStream(outputText, error);
    System.setOut(new PrintStream(out));
    System.setErr(new PrintStream(err));

    // Sets up the output log
    outputText.setEditable(false);
    outputScroll.setVisible(true);

    // File input/output setup
    chooser = new JFileChooser();

    // Setting up miscellaneous stuff
    compiler = ToolProvider.getSystemJavaCompiler();
    JVMrunning = false;
    redirectErr = null;
    redirectOut = null;
    redirectIn = null;

    // Sets up the splitter pane and opens the program up
    splitter = new JSplitPane(JSplitPane.VERTICAL_SPLIT, textScroll, outputScroll);
    consoleDisplayed = false;
    splitter.remove(outputScroll); // Initially hides terminal until it is needed
    splitter.setOneTouchExpandable(true);
    frame.add(splitter);
    frame.setVisible(true);

    // Sets the divider to the proper one, for debugging
    // splitter.setDividerLocation(.8);
  }
Esempio n. 12
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    @Override
    public void actionPerformed(ActionEvent e) {

      licence_text =
          new String(
              "This program is free software: you can redistribute it and/or modify\n"
                  + "it under the terms of the GNU General Public License as published by\n"
                  + "the Free Software Foundation, either version 3 of the License, or\n"
                  + "(at your option) any later version.\n"
                  + "\n"
                  + "This program is distributed in the hope that it will be useful,\n"
                  + "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
                  + "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
                  + "GNU General Public License for more details.\n"
                  + "\n"
                  + "You should have received a copy of the GNU General Public License\n"
                  + "along with this program.  If not, see <http://www.gnu.org/licenses/>.\n"
                  + "\n\n\n");

      try {
        InputStream ips = new FileInputStream(getClass().getResource("COPYING").getPath());
        InputStreamReader ipsr = new InputStreamReader(ips);
        BufferedReader br = new BufferedReader(ipsr);

        String line;
        while ((line = br.readLine()) != null) {
          licence_text += line + '\n';
        }
        br.close();
      } catch (Exception e1) {
      }

      Dimension dimension = new Dimension(600, 400);

      JDialog licence = new JDialog(memento, "Licence");

      JTextPane text_pane = new JTextPane();
      text_pane.setEditable(false);
      text_pane.setPreferredSize(dimension);
      text_pane.setSize(dimension);

      StyledDocument doc = text_pane.getStyledDocument();

      Style justified =
          doc.addStyle(
              "justified",
              StyleContext.getDefaultStyleContext().getStyle(StyleContext.DEFAULT_STYLE));
      StyleConstants.setAlignment(justified, StyleConstants.ALIGN_JUSTIFIED);

      try {
        doc.insertString(0, licence_text, justified);
      } catch (BadLocationException ble) {
        System.err.println("Couldn't insert initial text into text pane.");
      }
      Style logicalStyle = doc.getLogicalStyle(0);
      doc.setParagraphAttributes(0, licence_text.length(), justified, false);
      doc.setLogicalStyle(0, logicalStyle);

      JScrollPane paneScrollPane = new JScrollPane(text_pane);
      paneScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
      paneScrollPane.setPreferredSize(dimension);
      paneScrollPane.setMinimumSize(dimension);

      JPanel pan = new JPanel();
      LayoutManager layout = new BorderLayout();
      pan.setLayout(layout);

      pan.add(new JScrollPane(paneScrollPane), BorderLayout.CENTER);
      JButton close = new JButton("Fermer");
      close.addActionListener(new ButtonCloseActionListener(licence));
      JPanel button_panel = new JPanel();
      FlowLayout button_panel_layout = new FlowLayout(FlowLayout.RIGHT, 20, 20);
      button_panel.setLayout(button_panel_layout);

      button_panel.add(close);
      pan.add(button_panel, BorderLayout.SOUTH);

      licence.add(pan);

      licence.pack();
      licence.setLocationRelativeTo(memento);
      licence.setVisible(true);
    }
 /** Returns the border's color, or null if this is not a link. */
 Color getBorderColor() {
   StyledDocument doc = (StyledDocument) getDocument();
   return doc.getForeground(getAttributes());
 }