package processing.mode.java;

import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import java.io.*;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.*;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;

import processing.core.PApplet;
import processing.data.StringList;
import processing.app.*;
import processing.app.contrib.*;
import processing.app.syntax.JEditTextArea;
import processing.app.syntax.PdeTextAreaDefaults;
import processing.app.ui.*;
import processing.app.ui.Toolkit;
import processing.mode.java.debug.LineBreakpoint;
import processing.mode.java.debug.LineHighlight;
import processing.mode.java.debug.LineID;
import processing.mode.java.pdex.PreprocessingService;
import processing.mode.java.pdex.ImportStatement;
import processing.mode.java.pdex.JavaTextArea;
import processing.mode.java.pdex.PDEX;
import processing.mode.java.pdex.JavaProblem;
import processing.mode.java.pdex.SourceUtils;
import processing.mode.java.preproc.PdePreprocessor;
import processing.mode.java.runner.Runner;
import processing.mode.java.tweak.ColorControlBox;
import processing.mode.java.tweak.Handle;
import processing.mode.java.tweak.SketchParser;
import processing.mode.java.tweak.TweakClient;


public class JavaEditor extends Editor {
  JavaMode jmode;

  // Runner associated with this editor window
  private Runner runtime;

  private boolean runtimeLaunchRequested;
  private final Object runtimeLock = new Object[0];

  // Need to sort through the rest of these additions [fry]

  protected final List<LineHighlight> breakpointedLines = new ArrayList<>();
  protected LineHighlight currentLine; // where the debugger is suspended
  protected final String breakpointMarkerComment = " //<>//";

  protected JMenu debugMenu;
  protected JMenuItem debugItem;
  protected Debugger debugger;
  protected boolean debugEnabled;

  protected VariableInspector inspector;
  protected JMenuItem inspectorItem;

  static final int ERROR_TAB_INDEX = 0;

  private boolean hasJavaTabs;
  private boolean javaTabWarned;

  protected PreprocessingService preprocessingService;
  protected PDEX pdex;


  protected JavaEditor(Base base, String path, EditorState state,
                       Mode mode) throws EditorException {
    super(base, path, state, mode);

    jmode = (JavaMode) mode;
    debugger = new Debugger(this);
    inspector = new VariableInspector(this);

    // set breakpoints from marker comments
    for (LineID lineID : stripBreakpointComments()) {
      //System.out.println("setting: " + lineID);
      debugger.setBreakpoint(lineID);
    }
    // setting breakpoints will flag sketch as modified, so override this here
    getSketch().setModified(false);

    hasJavaTabs = checkForJavaTabs();

    /*
    // hack to add a JPanel to the right-hand side of the text area
    JPanel textAndError = new JPanel();
    // parent is a vertical box with the toolbar, the header, and the text area
    Box box = (Box) textarea.getParent();
    // remove the text area temporarily
    box.remove(2);
    textAndError.setLayout(new BorderLayout());
    errorColumn =  new MarkerColumn(this, textarea.getMinimumSize().height);
    textAndError.add(errorColumn, BorderLayout.EAST);
    textarea.setBounds(0, 0, errorColumn.getX() - 1, textarea.getHeight());
    textAndError.add(textarea);
    // add our hacked version back to the editor
    box.add(textAndError);
    */

    preprocessingService = new PreprocessingService(this);
    pdex = new PDEX(this, preprocessingService);

    Toolkit.setMenuMnemonics(textarea.getRightClickPopup());

    // ensure completion is hidden when editor loses focus
    addWindowFocusListener(new WindowFocusListener() {
      public void windowLostFocus(WindowEvent e) {
        getJavaTextArea().hideSuggestion();
      }

      public void windowGainedFocus(WindowEvent e) { }
    });
  }


  public PdePreprocessor createPreprocessor(final String sketchName) {
    return new PdePreprocessor(sketchName);
  }


  protected JEditTextArea createTextArea() {
    return new JavaTextArea(new PdeTextAreaDefaults(mode), this);
  }


  public EditorToolbar createToolbar() {
    return new JavaToolbar(this);
  }


  private int previousTabCount = 1;

  // TODO: this is a clumsy way to get notified when tabs get added/deleted
  // Override the parent call to add hook to the rebuild() method
  public EditorHeader createHeader() {
    return new EditorHeader(this) {
      public void rebuild() {
        super.rebuild();

        // after Rename and New Tab, we may have new .java tabs
        boolean newHasJavaTabs = checkForJavaTabs();
        boolean hasJavaTabsChanged = hasJavaTabs != newHasJavaTabs;
        hasJavaTabs = newHasJavaTabs;

        if (preprocessingService != null) {
          if (hasJavaTabsChanged) {
            preprocessingService.handleHasJavaTabsChange(hasJavaTabs);
            pdex.hasJavaTabsChanged(hasJavaTabs);
            if (hasJavaTabs) {
              setProblemList(Collections.emptyList());
            }
          }

          int currentTabCount = sketch.getCodeCount();
          if (currentTabCount != previousTabCount) {
            previousTabCount = currentTabCount;
            pdex.sketchChanged();
          }
        }
      }
    };
  }


  @Override
  public EditorFooter createFooter() {
    EditorFooter footer = super.createFooter();
    addErrorTable(footer);
    return footer;
  }


  public Formatter createFormatter() {
    return new AutoFormat();
  }


  // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


  public JMenu buildFileMenu() {
    //String appTitle = JavaToolbar.getTitle(JavaToolbar.EXPORT, false);
    String appTitle = Language.text("menu.file.export_application");
    JMenuItem exportApplication = Toolkit.newJMenuItemShift(appTitle, 'E');
    exportApplication.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        handleExportApplication();
      }
    });

    return buildFileMenu(new JMenuItem[] { exportApplication });
  }


  public JMenu buildSketchMenu() {
    JMenuItem runItem = Toolkit.newJMenuItem(Language.text("menu.sketch.run"), 'R');
    runItem.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        handleRun();
      }
    });

    JMenuItem presentItem = Toolkit.newJMenuItemShift(Language.text("menu.sketch.present"), 'R');
    presentItem.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        handlePresent();
      }
    });

    JMenuItem stopItem = new JMenuItem(Language.text("menu.sketch.stop"));
    stopItem.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        if (isDebuggerEnabled()) {
          Messages.log("Invoked 'Stop' menu item");
          debugger.stopDebug();
        } else {
          handleStop();
        }
      }
    });

    JMenuItem tweakItem = Toolkit.newJMenuItemShift(Language.text("menu.sketch.tweak"), 'T');
//      tweakItem.setSelected(JavaMode.enableTweak);
      tweakItem.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
//          JavaMode.enableTweak = true;
//          handleRun();
          handleTweak();
        }
      });

    return buildSketchMenu(new JMenuItem[] {
      runItem, presentItem, tweakItem, stopItem
    });
  }


  public JMenu buildHelpMenu() {
    JMenu menu = new JMenu(Language.text("menu.help"));
    JMenuItem item;

    // macosx already has its own about menu
    if (!Platform.isMacOS()) {
      item = new JMenuItem(Language.text("menu.help.about"));
      item.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          new About(JavaEditor.this);
        }
      });
      menu.add(item);
    }

    item = new JMenuItem(Language.text("menu.help.welcome"));
    item.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        try {
          new Welcome(base, Preferences.getSketchbookPath().equals(Preferences.getOldSketchbookPath()));
        } catch (IOException ioe) {
          Messages.showWarning("Unwelcome Error",
                               "Please report this error to\n" +
                               "https://github.com/processing/processing/issues", ioe);
        }
      }
    });
    menu.add(item);

    item = new JMenuItem(Language.text("menu.help.environment"));
    item.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        showReference("environment" + File.separator + "index.html");
      }
    });
    menu.add(item);

    item = new JMenuItem(Language.text("menu.help.reference"));
    item.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        showReference("index.html");
      }
    });
    menu.add(item);

    item = Toolkit.newJMenuItemShift(Language.text("menu.help.find_in_reference"), 'F');
    item.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        if (textarea.isSelectionActive()) {
          handleFindReference();
        } else {
          statusNotice(Language.text("editor.status.find_reference.select_word_first"));
        }
      }
    });
    menu.add(item);

    menu.addSeparator();

    final JMenu libRefSubmenu = new JMenu(Language.text("menu.help.libraries_reference"));
    // Populate only when sub-menu is opened, to avoid having spurious menu
    // options if a library is deleted, or a missing menu option if a library is added
    libRefSubmenu.addMenuListener(new MenuListener() {

      @Override
      public void menuSelected(MenuEvent e) {
        boolean isCoreLibMenuItemAdded = false;
        boolean isContribLibMenuItemAdded = false;

        // Adding this in case references are included in a core library,
        // or other core libraries are incuded in future
        isCoreLibMenuItemAdded = addLibReferencesToSubMenu(mode.coreLibraries, libRefSubmenu);

        if (isCoreLibMenuItemAdded && !mode.contribLibraries.isEmpty())
          libRefSubmenu.addSeparator();

        isContribLibMenuItemAdded = addLibReferencesToSubMenu(mode.contribLibraries, libRefSubmenu);

        if (!isContribLibMenuItemAdded && !isCoreLibMenuItemAdded) {
          JMenuItem emptyMenuItem = new JMenuItem(Language.text("menu.help.empty"));
          emptyMenuItem.setEnabled(false);
          emptyMenuItem.setFocusable(false);
          emptyMenuItem.setFocusPainted(false);
          libRefSubmenu.add(emptyMenuItem);
        }
        else if (!isContribLibMenuItemAdded && !mode.coreLibraries.isEmpty()) {
          //re-populate the menu to get rid of terminal separator
          libRefSubmenu.removeAll();
          addLibReferencesToSubMenu(mode.coreLibraries, libRefSubmenu);
        }
      }

      @Override
      public void menuDeselected(MenuEvent e) {
        libRefSubmenu.removeAll();
      }

      @Override
      public void menuCanceled(MenuEvent e) {
        menuDeselected(e);
      }
    });
    menu.add(libRefSubmenu);

    final JMenu toolRefSubmenu = new JMenu(Language.text("menu.help.tools_reference"));
    // Populate only when sub-menu is opened, to avoid having spurious menu
    // options if a tool is deleted, or a missing menu option if a library is added
    toolRefSubmenu.addMenuListener(new MenuListener() {

      @Override
      public void menuSelected(MenuEvent e) {
        boolean isCoreToolMenuItemAdded = false;
        boolean isContribToolMenuItemAdded = false;

        List<ToolContribution> contribTools = base.getToolContribs();
        // Adding this in in case a reference folder is added for MovieMaker, or in case
        // other core tools are introduced later
        isCoreToolMenuItemAdded = addToolReferencesToSubMenu(base.getCoreTools(), toolRefSubmenu);

        if (isCoreToolMenuItemAdded && !contribTools.isEmpty())
          toolRefSubmenu.addSeparator();

        isContribToolMenuItemAdded = addToolReferencesToSubMenu(contribTools, toolRefSubmenu);

        if (!isContribToolMenuItemAdded && !isCoreToolMenuItemAdded) {
          toolRefSubmenu.removeAll(); // in case a separator was added
          final JMenuItem emptyMenuItem = new JMenuItem(Language.text("menu.help.empty"));
          emptyMenuItem.setEnabled(false);
          emptyMenuItem.setBorderPainted(false);
          emptyMenuItem.setFocusable(false);
          emptyMenuItem.setFocusPainted(false);
          toolRefSubmenu.add(emptyMenuItem);
        }
        else if (!isContribToolMenuItemAdded && !contribTools.isEmpty()) {
          // re-populate the menu to get rid of terminal separator
          toolRefSubmenu.removeAll();
          addToolReferencesToSubMenu(base.getCoreTools(), toolRefSubmenu);
        }
      }

      @Override
      public void menuDeselected(MenuEvent e) {
        toolRefSubmenu.removeAll();
      }

      @Override
      public void menuCanceled(MenuEvent e) {
        menuDeselected(e);
      }
    });
    menu.add(toolRefSubmenu);

    menu.addSeparator();
    item = new JMenuItem(Language.text("menu.help.online"));
    item.setEnabled(false);
    menu.add(item);

    item = new JMenuItem(Language.text("menu.help.getting_started"));
    item.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        Platform.openURL(Language.text("menu.help.getting_started.url"));
      }
    });
    menu.add(item);

    item = new JMenuItem(Language.text("menu.help.troubleshooting"));
    item.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        Platform.openURL(Language.text("menu.help.troubleshooting.url"));
      }
    });
    menu.add(item);

    item = new JMenuItem(Language.text("menu.help.faq"));
    item.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        Platform.openURL(Language.text("menu.help.faq.url"));
      }
    });
    menu.add(item);

    item = new JMenuItem(Language.text("menu.help.foundation"));
    item.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        Platform.openURL(Language.text("menu.help.foundation.url"));
      }
    });
    menu.add(item);

    item = new JMenuItem(Language.text("menu.help.visit"));
    item.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        Platform.openURL(Language.text("menu.help.visit.url"));
      }
    });
    menu.add(item);

    return menu;
  }


  //. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


  /**
   * Populates the JMenu with JMenuItems, one for each Library that has a
   * reference accompanying it. The JMenuItems open the index.htm/index.html
   * file of the reference in the user's default browser, or the readme.txt in
   * the user's default text editor.
   *
   * @param libsList
   *          A list of the Libraries to be added
   * @param subMenu
   *          The JMenu to which the JMenuItems corresponding to the Libraries
   *          are to be added
   * @return true if and only if any JMenuItems were added; false otherwise
   */
  private boolean addLibReferencesToSubMenu(List<Library> libsList, JMenu subMenu) {
    boolean isItemAdded = false;
    Iterator<Library> iter = libsList.iterator();
    while (iter.hasNext()) {
      final Library libContrib = iter.next();
      if (libContrib.hasReference()) {
        JMenuItem libRefItem = new JMenuItem(libContrib.getName());
        libRefItem.addActionListener(new ActionListener() {

          @Override
          public void actionPerformed(ActionEvent arg0) {
            showReferenceFile(libContrib.getReferenceIndexFile());
          }
        });
        subMenu.add(libRefItem);
        isItemAdded = true;
      }
    }
    return isItemAdded;
  }


  /**
   * Populates the JMenu with JMenuItems, one for each Tool that has a reference
   * accompanying it. The JMenuItems open the index.htm/index.html file of the
   * reference in the user's default browser, or the readme.txt in the user's
   * default text editor.
   *
   * @param toolsList
   *          A list of Tools to be added
   * @param subMenu
   *          The JMenu to which the JMenuItems corresponding to the Tools are
   *          to be added
   * @return true if and only if any JMenuItems were added; false otherwise
   */
  private boolean addToolReferencesToSubMenu(List<ToolContribution> toolsList, JMenu subMenu) {
    boolean isItemAdded = false;
    Iterator<ToolContribution> iter = toolsList.iterator();
    while (iter.hasNext()) {
      final ToolContribution toolContrib = iter.next();
      final File toolRef = new File(toolContrib.getFolder(), "reference/index.html");
      if (toolRef.exists()) {
        JMenuItem libRefItem = new JMenuItem(toolContrib.getName());
        libRefItem.addActionListener(new ActionListener() {

          @Override
          public void actionPerformed(ActionEvent arg0) {
            showReferenceFile(toolRef);
          }
        });
        subMenu.add(libRefItem);
        isItemAdded = true;
      }
    }
    return isItemAdded;
  }


  // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


  public String getCommentPrefix() {
    return "//";
  }


  // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .


  /**
   * Called by Sketch &rarr; Export.
   * Handles calling the export() function on sketch, and
   * queues all the gui status stuff that comes along with it.
   * <p/>
   * Made synchronized to (hopefully) avoid problems of people
   * hitting export twice, quickly, and horking things up.
   */
  /*
  public void handleExportApplet() {
    if (handleExportCheckModified()) {
      toolbar.activate(JavaToolbar.EXPORT);
      try {
        boolean success = jmode.handleExportApplet(sketch);
        if (success) {
          File appletFolder = new File(sketch.getFolder(), "applet");
          Base.openFolder(appletFolder);
          statusNotice("Done exporting.");
        } else {
          // error message will already be visible
        }

      } catch (Exception e) {
        statusError(e);
      }
      toolbar.deactivate(JavaToolbar.EXPORT);
    }
  }
  */


  /**
   * Handler for Sketch &rarr; Export Application
   */
  public void handleExportApplication() {
//    toolbar.activate(JavaToolbar.EXPORT);

    if (handleExportCheckModified()) {
      statusNotice(Language.text("export.notice.exporting"));
      try {
        if (exportApplicationPrompt()) {
          Platform.openFolder(sketch.getFolder());
          statusNotice(Language.text("export.notice.exporting.done"));
        } else {
          // error message will already be visible
          // or there was no error, in which case it was canceled.
        }
      } catch (Exception e) {
        statusNotice(Language.text("export.notice.exporting.error"));
        e.printStackTrace();
      }
    }
//    toolbar.deactivate(JavaToolbar.EXPORT);
  }


  // Can't be .windows because that'll be stripped off as a per-platform pref
  static final String EXPORT_PREFIX = "export.application.platform_";
  static final String EXPORT_MACOSX = EXPORT_PREFIX + "macosx";
  static final String EXPORT_WINDOWS = EXPORT_PREFIX + "windows";
  static final String EXPORT_LINUX = EXPORT_PREFIX + "linux";

  final JButton exportButton = new JButton(Language.text("prompt.export"));
  final JButton cancelButton = new JButton(Language.text("prompt.cancel"));

  final JCheckBox windowsButton = new JCheckBox("Windows");
  final JCheckBox macosxButton = new JCheckBox("Mac OS X");
  final JCheckBox linuxButton = new JCheckBox("Linux");


  protected void updateExportButton() {
    exportButton.setEnabled(windowsButton.isSelected() ||
                            macosxButton.isSelected() ||
                            linuxButton.isSelected());
  }


  protected boolean exportApplicationPrompt() throws IOException, SketchException {
    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
    panel.add(Box.createVerticalStrut(6));

//    Box panel = Box.createVerticalBox();
//    Box labelBox = Box.createHorizontalBox();
//    String msg = "<html>Click Export to Application to create a standalone, " +
//      "double-clickable application for the selected plaforms.";
//    String msg = "Export to Application creates a standalone, \n" +
//      "double-clickable application for the selected plaforms.";
    String line1 = Language.text("export.description.line1");
    String line2 = Language.text("export.description.line2");
    //String line2 = "standalone application for the current plaform.";
    JLabel label1 = new JLabel(line1, SwingConstants.CENTER);
    JLabel label2 = new JLabel(line2, SwingConstants.CENTER);
    label1.setAlignmentX(Component.LEFT_ALIGNMENT);
    label2.setAlignmentX(Component.LEFT_ALIGNMENT);
    panel.add(label1);
    panel.add(label2);
    // The longer line is different between Windows and OS X.
//    int wide = Math.max(label1.getPreferredSize().width,
//                        label2.getPreferredSize().width);
    panel.add(Box.createVerticalStrut(12));

//    final JCheckBox windowsButton = new JCheckBox("Windows");
//    final JCheckBox macosxButton = new JCheckBox("Mac OS X");
//    final JCheckBox linuxButton = new JCheckBox("Linux");

    windowsButton.setSelected(Preferences.getBoolean(EXPORT_WINDOWS));
    windowsButton.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent e) {
        Preferences.setBoolean(EXPORT_WINDOWS, windowsButton.isSelected());
        updateExportButton();
      }
    });

    // Only possible to export OS X applications on OS X
    if (!Platform.isMacOS()) {
      // Make sure they don't have a previous 'true' setting for this
      Preferences.setBoolean(EXPORT_MACOSX, false);
    }
    macosxButton.setSelected(Preferences.getBoolean(EXPORT_MACOSX));
    macosxButton.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent e) {
        Preferences.setBoolean(EXPORT_MACOSX, macosxButton.isSelected());
        updateExportButton();
      }
    });
    if (!Platform.isMacOS()) {
      macosxButton.setEnabled(false);
      macosxButton.setToolTipText(Language.text("export.tooltip.macosx"));
    }

    linuxButton.setSelected(Preferences.getBoolean(EXPORT_LINUX));
    linuxButton.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent e) {
        Preferences.setBoolean(EXPORT_LINUX, linuxButton.isSelected());
        updateExportButton();
      }
    });

    updateExportButton();  // do the initial enable/disable based on prefs.txt

    JPanel platformPanel = new JPanel();
    //platformPanel.setLayout(new BoxLayout(platformPanel, BoxLayout.X_AXIS));
    platformPanel.add(windowsButton);
    platformPanel.add(Box.createHorizontalStrut(6));
    platformPanel.add(macosxButton);
    platformPanel.add(Box.createHorizontalStrut(6));
    platformPanel.add(linuxButton);
    platformPanel.setBorder(new TitledBorder(Language.text("export.platforms")));
    //Dimension goodIdea = new Dimension(wide, platformPanel.getPreferredSize().height);
    //platformPanel.setMaximumSize(goodIdea);
//    wide = Math.max(wide, platformPanel.getPreferredSize().width);
    platformPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
    panel.add(platformPanel);
    int divWidth = platformPanel.getPreferredSize().width;

    //int indent = new JCheckBox().getPreferredSize().width;
    int indent = 0;

    final JCheckBox showStopButton = new JCheckBox(Language.text("export.options.show_stop_button"));
    showStopButton.setSelected(Preferences.getBoolean("export.application.stop"));
    showStopButton.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent e) {
        Preferences.setBoolean("export.application.stop", showStopButton.isSelected());
      }
    });
    showStopButton.setEnabled(Preferences.getBoolean("export.application.present"));
    showStopButton.setBorder(new EmptyBorder(3, 13 + indent, 6, 13));

    final JCheckBox presentButton = new JCheckBox(Language.text("export.options.present"));
    presentButton.setSelected(Preferences.getBoolean("export.application.present"));
    presentButton.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent e) {
        boolean sal = presentButton.isSelected();
        Preferences.setBoolean("export.application.present", sal);
        showStopButton.setEnabled(sal);
      }
    });
    presentButton.setBorder(new EmptyBorder(3, 13, 3, 13));

    JPanel presentPanel = new JPanel();
    presentPanel.setLayout(new BoxLayout(presentPanel, BoxLayout.Y_AXIS));
    Box fullScreenBox = Box.createHorizontalBox();
    fullScreenBox.add(presentButton);

    /*
    //run.present.stop.color
//    presentColorPanel = new JTextField();
//    presentColorPanel.setFocusable(false);
//    presentColorPanel.setEnabled(false);
    presentColorPanel = new JPanel() {
      public void paintComponent(Graphics g) {
        g.setColor(Preferences.getColor("run.present.bgcolor"));
        Dimension size = getSize();
        g.fillRect(0, 0, size.width, size.height);
      }
    };
    presentColorPanel.setBorder(BorderFactory.createBevelBorder(BevelBorder.LOWERED));
//    presentColorPanel.setBorder(BorderFactory.createBevelBorder(BevelBorder.RAISED));
    presentColorPanel.setMaximumSize(new Dimension(30, 20));
    fullScreenBox.add(presentColorPanel);
    */
    fullScreenBox.add(new ColorPreference("run.present.bgcolor"));
    //presentPanel.add(fullScreenButton);
    fullScreenBox.add(Box.createHorizontalStrut(10));
    fullScreenBox.add(Box.createHorizontalGlue());

    presentPanel.add(fullScreenBox);

//    presentColorPanel.addMouseListener(new MouseAdapter() {
//      public void mousePressed(MouseEvent e) {
//        new ColorListener("run.present.bgcolor");
//      }
//    });

    Box showStopBox = Box.createHorizontalBox();
    showStopBox.add(showStopButton);
    showStopBox.add(new ColorPreference("run.present.stop.color"));
    showStopBox.add(Box.createHorizontalStrut(10));
    showStopBox.add(Box.createHorizontalGlue());
    presentPanel.add(showStopBox);

    //presentPanel.add(showStopButton);
//    presentPanel.add(Box.createHorizontalStrut(10));
//    presentPanel.add(Box.createHorizontalGlue());
    presentPanel.setBorder(new TitledBorder(Language.text("export.full_screen")));
//    wide = Math.max(wide, platformPanel.getPreferredSize().width);
    presentPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
    panel.add(presentPanel);

//    Dimension good;
//    good = new Dimension(wide, label1.getPreferredSize().height);
//    label1.setMaximumSize(good);
//    good = new Dimension(wide, label2.getPreferredSize().height);
//    label2.setMaximumSize(good);
//    good = new Dimension(wide, presentPanel.getPreferredSize().height);

    //

    JPanel embedPanel = new JPanel();
    embedPanel.setLayout(new BoxLayout(embedPanel, BoxLayout.Y_AXIS));

    String platformName = null;
    if (Platform.isMacOS()) {
      platformName = "Mac OS X";
    } else if (Platform.isWindows()) {
      platformName = "Windows (" + Platform.getNativeBits() + "-bit)";
    } else if (Platform.isLinux()) {
      platformName = "Linux (" + Platform.getNativeBits() + "-bit)";
    }

    boolean embed = Preferences.getBoolean("export.application.embed_java");
    final String embedWarning =
      "<html><div width=\"" + divWidth + "\"><font size=\"2\">" +
//      "<html><body><font size=2>" +
      "Embedding Java will make the " + platformName + " application " +
      "larger, but it will be far more likely to work. " +
      "Users on other platforms will need to " +
      "<a href=\"\">install Java " + PApplet.javaPlatform + "</a>.";
    final String nopeWarning =
      "<html><div width=\"" + divWidth + "\"><font size=\"2\">" +
//      "<html><body><font size=2>" +
      "Users on all platforms will have to install the latest " +
      "version of Java " + PApplet.javaPlatform +
      " from <a href=\"\">http://java.com/download</a>. " +
      "<br/>&nbsp;";
      //"from <a href=\"http://java.com/download\">java.com/download</a>.";
    final JLabel warningLabel = new JLabel(embed ? embedWarning : nopeWarning);
    warningLabel.addMouseListener(new MouseAdapter() {
      public void mousePressed(MouseEvent event) {
        Platform.openURL("http://java.com/download");
      }
    });
    warningLabel.setBorder(new EmptyBorder(3, 13 + indent, 3, 13));

    final JCheckBox embedJavaButton =
      new JCheckBox(Language.text("export.embed_java.for") + " " + platformName);
    embedJavaButton.setSelected(embed);
    embedJavaButton.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent e) {
        boolean selected = embedJavaButton.isSelected();
        Preferences.setBoolean("export.application.embed_java", selected);
        if (selected) {
          warningLabel.setText(embedWarning);
        } else {
          warningLabel.setText(nopeWarning);
        }
      }
    });
    embedJavaButton.setBorder(new EmptyBorder(3, 13, 3, 13));

    embedPanel.add(embedJavaButton);
    embedPanel.add(warningLabel);
    embedPanel.setBorder(new TitledBorder(Language.text("export.embed_java")));
    panel.add(embedPanel);

    //

    if (Platform.isMacOS()) {
      JPanel signPanel = new JPanel();
      signPanel.setLayout(new BoxLayout(signPanel, BoxLayout.Y_AXIS));
      signPanel.setBorder(new TitledBorder(Language.text("export.code_signing")));

      // gatekeeper: http://support.apple.com/kb/ht5290
      // for developers: https://developer.apple.com/developer-id/
      String thePain =
        //"<html><body><font size=2>" +
        "In recent versions of OS X, Apple has introduced the \u201CGatekeeper\u201D system, " +
        "which makes it more difficult to run applications like those exported from Processing. ";

      if (new File("/usr/bin/codesign_allocate").exists()) {
        thePain +=
          "This application will be \u201Cself-signed\u201D which means that Finder may report that the " +
          "application is from an \u201Cunidentified developer\u201D. If the application will not " +
          "run, try right-clicking the app and selecting Open from the pop-up menu. Or you can visit " +
          "System Preferences \u2192 Security & Privacy and select Allow apps downloaded from: anywhere. ";
      } else {
        thePain +=
          "Gatekeeper requires applications to be \u201Csigned\u201D, or they will be reported as damaged. " +
          "To prevent this message, install Xcode (and the Command Line Tools) from the App Store, or visit " +
          "System Preferences \u2192 Security & Privacy and select Allow apps downloaded from: anywhere. ";
      }
      thePain +=
        "To avoid the messages entirely, manually code sign your app. " +
        "For more information: <a href=\"\">https://developer.apple.com/developer-id/</a>";

      // xattr -d com.apple.quarantine thesketch.app

      //signPanel.add(new JLabel(thePain));
      //JEditorPane area = new JEditorPane("text/html", thePain);
      //JTextPane area = new JEditorPane("text/html", thePain);

//      JTextArea area = new JTextArea(thePain);
//      area.setBackground(null);
//      area.setFont(new Font("Dialog", Font.PLAIN, 10));
//      area.setLineWrap(true);
//      area.setWrapStyleWord(true);
      // Are you f-king serious, Java API developers?
      JLabel area = new JLabel("<html><div width=\"" + divWidth + "\"><font size=\"2\">" + thePain + "</div></html>");

      area.setBorder(new EmptyBorder(3, 13, 3, 13));
//      area.setPreferredSize(new Dimension(embedPanel.getPreferredSize().width, 100));
//      area.setPreferredSize(new Dimension(300, 200));
      signPanel.add(area);
//      signPanel.add(Box.createHorizontalGlue());
      signPanel.setAlignmentX(Component.LEFT_ALIGNMENT);

      area.addMouseListener(new MouseAdapter() {
        public void mousePressed(MouseEvent event) {
          Platform.openURL("https://developer.apple.com/developer-id/");
        }
      });

      panel.add(signPanel);
    }

    //

    //String[] options = { Language.text("prompt.export"), Language.text("prompt.cancel") };
    final JButton[] options = { exportButton, cancelButton };

    final JOptionPane optionPane = new JOptionPane(panel,
                                                   JOptionPane.PLAIN_MESSAGE,
                                                   JOptionPane.YES_NO_OPTION,
                                                   null,
                                                   options,
                                                   exportButton); //options[0]);


    final JDialog dialog = new JDialog(this, Language.text("export"), true);
    dialog.setContentPane(optionPane);

    exportButton.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        optionPane.setValue(exportButton);
      }
    });

    cancelButton.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        optionPane.setValue(cancelButton);
      }
    });

    optionPane.addPropertyChangeListener(new PropertyChangeListener() {
      public void propertyChange(PropertyChangeEvent e) {
        String prop = e.getPropertyName();

        if (dialog.isVisible() &&
            (e.getSource() == optionPane) &&
            (prop.equals(JOptionPane.VALUE_PROPERTY))) {
          // If you were going to check something before
          // closing the window, you'd do it here.
          dialog.setVisible(false);
        }
      }
    });
    dialog.pack();
//    System.out.println("after pack: " + panel.getPreferredSize());
//    dialog.setSize(optionPane.getPreferredSize());
    dialog.setResizable(false);

    // Center the window in the middle of the editor
    Rectangle bounds = getBounds();
    dialog.setLocation(bounds.x + (bounds.width - dialog.getSize().width) / 2,
                       bounds.y + (bounds.height - dialog.getSize().height) / 2);
    dialog.setVisible(true);

    Object value = optionPane.getValue();
    if (value.equals(exportButton)) {
      return jmode.handleExportApplication(sketch);
    } else if (value.equals(cancelButton) || value.equals(-1)) {
      // closed window by hitting Cancel or ESC
      statusNotice(Language.text("export.notice.exporting.cancel"));
    }
    return false;
  }


  class ColorPreference extends JPanel implements ActionListener {
    ColorChooser chooser;
    String prefName;

    public ColorPreference(String pref) {
      prefName = pref;

      setBorder(BorderFactory.createBevelBorder(BevelBorder.LOWERED));
      setPreferredSize(new Dimension(30, 20));
      setMaximumSize(new Dimension(30, 20));

      addMouseListener(new MouseAdapter() {
        public void mouseReleased(MouseEvent e) {
          Color color = Preferences.getColor(prefName);
          chooser = new ColorChooser(JavaEditor.this, true, color, Language.text("color_chooser.select"), ColorPreference.this);
          chooser.show();
        }
      });
    }

    public void paintComponent(Graphics g) {
      g.setColor(Preferences.getColor(prefName));
      Dimension size = getSize();
      g.fillRect(0, 0, size.width, size.height);
    }

    public void actionPerformed(ActionEvent e) {
      Color color = chooser.getColor();
      Preferences.setColor(prefName, color);
      //presentColorPanel.repaint();
      repaint();
      chooser.hide();
    }
  }


//  protected void selectColor(String prefName) {
//    Color color = Preferences.getColor(prefName);
//    final ColorChooser chooser = new ColorChooser(JavaEditor.this, true, color,
//                                            "Select", new ActionListener() {
//
//      @Override
//      public void actionPerformed(ActionEvent e) {
//        Preferences.setColor(prefName, c.getColor());
//      }
//    });
//  }


  /**
   * Checks to see if the sketch has been modified, and if so,
   * asks the user to save the sketch or cancel the export.
   * This prevents issues where an incomplete version of the sketch
   * would be exported, and is a fix for
   * <A HREF="http://dev.processing.org/bugs/show_bug.cgi?id=157">Bug 157</A>
   */
  protected boolean handleExportCheckModified() {
    if (sketch.isReadOnly()) {
      // if the files are read-only, need to first do a "save as".
      Messages.showMessage(Language.text("export.messages.is_read_only"),
                           Language.text("export.messages.is_read_only.description"));
      return false;
    }

    // don't allow if untitled
    if (sketch.isUntitled()) {
      Messages.showMessage(Language.text("export.messages.cannot_export"),
                           Language.text("export.messages.cannot_export.description"));
      return false;
    }

    if (sketch.isModified()) {
      Object[] options = { Language.text("prompt.ok"), Language.text("prompt.cancel") };
      int result = JOptionPane.showOptionDialog(this,
                                                Language.text("export.unsaved_changes"),
                                                Language.text("menu.file.save"),
                                                JOptionPane.OK_CANCEL_OPTION,
                                                JOptionPane.QUESTION_MESSAGE,
                                                null,
                                                options,
                                                options[0]);

      if (result == JOptionPane.OK_OPTION) {
        handleSave(true);

      } else {
        // why it's not CANCEL_OPTION is beyond me (at least on the mac)
        // but f-- it.. let's get this shite done..
        //} else if (result == JOptionPane.CANCEL_OPTION) {
        statusNotice(Language.text("export.notice.cancel.unsaved_changes"));
        //toolbar.clear();
        return false;
      }
    }
    return true;
  }


  public void handleRun() {
    if (isDebuggerEnabled()) {
      // Hitting Run while a sketch is running should restart the sketch
      // https://github.com/processing/processing/issues/3623
      if (debugger.isStarted()) {
        debugger.stopDebug();
      }
      // Don't start the sketch paused, continue until a breakpoint or error
      // https://github.com/processing/processing/issues/3096
      debugger.continueDebug();

    } else {
      handleLaunch(false, false);
    }
  }


  public void handlePresent() {
    handleLaunch(true, false);
  }


  public void handleTweak() {
    autoSave();

    if (sketch.isModified()) {
      Messages.showMessage(Language.text("menu.file.save"),
                           Language.text("tweak_mode.save_before_tweak"));
      return;
    }

    handleLaunch(false, true);
  }

  protected void handleLaunch(boolean present, boolean tweak) {
    prepareRun();
    toolbar.activateRun();
    synchronized (runtimeLock) {
      runtimeLaunchRequested = true;
    }
    new Thread(() -> {
      try {
        synchronized (runtimeLock) {
          if (runtimeLaunchRequested) {
            runtimeLaunchRequested = false;
            if (!tweak) {
              runtime = jmode.handleLaunch(sketch, JavaEditor.this, present);
            } else {
              runtime = jmode.handleTweak(sketch, JavaEditor.this);
            }
          }
        }
      } catch (Exception e) {
        EventQueue.invokeLater(() -> statusError(e));
      }
    }).start();
  }


  /**
   * Event handler called when hitting the stop button. Stops a running debug
   * session or performs standard stop action if not currently debugging.
   */
  public void handleStop() {
    if (debugger.isStarted()) {
      debugger.stopDebug();

    } else {
      toolbar.activateStop();

      try {
        synchronized (runtimeLock) {
          if (runtimeLaunchRequested) {
            // Cancel the launch before the runtime was created
            runtimeLaunchRequested = false;
          }
          if (runtime != null) {
            // Cancel the launch after the runtime was created
            runtime.close();  // kills the window
            runtime = null;
          }
        }
      } catch (Exception e) {
        statusError(e);
      }

      toolbar.deactivateStop();
      toolbar.deactivateRun();

      // focus the PDE again after quitting presentation mode [toxi 030903]
      toFront();
    }
  }


  public void handleStep(int modifiers) {
    if (modifiers == 0) {
      Messages.log("Invoked 'Step Over' menu item");
      debugger.stepOver();

    } else if ((modifiers & ActionEvent.SHIFT_MASK) != 0) {
      Messages.log("Invoked 'Step Into' menu item");
      debugger.stepInto();

    } else if ((modifiers & ActionEvent.ALT_MASK) != 0) {
      Messages.log("Invoked 'Step Out' menu item");
      debugger.stepOut();
    }
  }


  public void handleContinue() {
    Messages.log("Invoked 'Continue' menu item");
    debugger.continueDebug();
  }


  public void onRunnerExiting(Runner runner) {
    synchronized (runtimeLock) {
      if (this.runtime == runner) {
        deactivateRun();
      }
    }
  }


//  /** Toggle a breakpoint on the current line. */
//  public void toggleBreakpoint() {
//    toggleBreakpoint(getCurrentLineID().lineIdx());
//  }


  @Override
  public void toggleBreakpoint(int lineIndex) {
    debugger.toggleBreakpoint(lineIndex);
  }



  public boolean handleSaveAs() {
    //System.out.println("handleSaveAs");
    String oldName = getSketch().getCode(0).getFileName();
    //System.out.println("old name: " + oldName);
    boolean saved = super.handleSaveAs();
    if (saved) {
      // re-set breakpoints in first tab (name has changed)
      List<LineBreakpoint> bps = debugger.getBreakpoints(oldName);
      debugger.clearBreakpoints(oldName);
      String newName = getSketch().getCode(0).getFileName();
      //System.out.println("new name: " + newName);
      for (LineBreakpoint bp : bps) {
        LineID line = new LineID(newName, bp.lineID().lineIdx());
        //System.out.println("setting: " + line);
        debugger.setBreakpoint(line);
      }
      // add breakpoint marker comments to source file
      for (SketchCode code : getSketch().getCode()) {
        addBreakpointComments(code.getFileName());
      }

      // set new name of variable inspector
      //inspector.setTitle(getSketch().getName());
    }
    return saved;
  }


  /**
   * Add import statements to the current tab for all of packages inside
   * the specified jar file.
   */
  public void handleImportLibrary(String libraryName) {

    // make sure the user didn't hide the sketch folder
    sketch.ensureExistence();

    // import statements into the main sketch file (code[0])
    // if the current code is a .java file, insert into current
    //if (current.flavor == PDE) {
    if (mode.isDefaultExtension(sketch.getCurrentCode())) {
      sketch.setCurrentCode(0);
    }

    Library lib = mode.findLibraryByName(libraryName);
    if (lib == null) {
      statusError("Unable to locate library: "+libraryName);
      return;
    }

    // could also scan the text in the file to see if each import
    // statement is already in there, but if the user has the import
    // commented out, then this will be a problem.
    StringList list = lib.getImports(); // ask the library for its imports
    if (list == null) {
      // Default to old behavior and load each package in the primary jar
      list = Util.packageListFromClassPath(lib.getJarPath());
    }

    StringBuilder sb = new StringBuilder();
//    for (int i = 0; i < list.length; i++) {
    for (String item : list) {
      sb.append("import ");
//      sb.append(list[i]);
      sb.append(item);
      sb.append(".*;\n");
    }
    sb.append('\n');
    sb.append(getText());
    setText(sb.toString());
    setSelection(0, 0);  // scroll to start
    sketch.setModified(true);
  }


  @Override
  public void librariesChanged() {
    preprocessingService.notifyLibrariesChanged();
  }


  @Override
  public void codeFolderChanged() {
    preprocessingService.notifyCodeFolderChanged();
  }


  @Override
  public void sketchChanged() {
    preprocessingService.notifySketchChanged();
  }


  public void statusError(String what) {
    super.statusError(what);
//    new Exception("deactivating RUN").printStackTrace();
//    toolbar.deactivate(JavaToolbar.RUN);
    toolbar.deactivateRun();
  }


  public void internalCloseRunner() {
    // Added temporarily to dump error log. TODO: Remove this later [mk29]
    //if (JavaMode.errorLogsEnabled) {
    //  writeErrorsToFile();
    //}
    handleStop();
  }


  // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

  // Additions from PDE X, Debug Mode, Twerk Mode...


  /**
   * Used instead of the windowClosing event handler, since it's not called on
   * mode switch. Called when closing the editor window. Stops running debug
   * sessions and kills the variable inspector window.
   */
  @Override
  public void dispose() {
    //System.out.println("window dispose");
    // quit running debug session
    if (debugEnabled) {
      debugger.stopDebug();
    }
    if (inspector != null) {
      inspector.dispose();
    }
    preprocessingService.dispose();
    pdex.dispose();
    super.dispose();
  }


  /**
   * Creates the debug menu. Includes ActionListeners for the menu items.
   * Intended for adding to the menu bar.
   *
   * @return The debug menu
   */
  protected JMenu buildDebugMenu() {
    debugMenu = new JMenu(Language.text("menu.debug"));
    JMenuItem item;

    // "use the debugger" sounds too colloquial, and "enable" sounds too technical
//    enableDebug =
//      Toolkit.newJCheckBoxMenuItem(Language.text("menu.debug.enable"),
//                                   KeyEvent.VK_D);
//    enableDebug =
//      Toolkit.newJCheckBoxMenuItem(Language.text("menu.debug.enable"),
//                                   KeyEvent.VK_D);
    debugItem = Toolkit.newJMenuItem(Language.text("menu.debug.enable"), 'D');
//    enableDebug.setSelected(false);
    debugItem.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
//        updateDebugToggle();
        toggleDebug();
      }
    });
//    toggleDebugger.addChangeListener(new ChangeListener() {
//      public void stateChanged(ChangeEvent e) {
//      }
//    });
    debugMenu.add(debugItem);
    debugMenu.addSeparator();

//    item = Toolkit.newJMenuItemAlt(Language.text("menu.debug.debug"), KeyEvent.VK_R);
//    item.addActionListener(new ActionListener() {
//        public void actionPerformed(ActionEvent e) {
//          Logger.getLogger(JavaEditor.class.getName()).log(Level.INFO, "Invoked 'Debug' menu item");
//          debugger.startDebug();
//        }
//      });
//    debugMenu.add(item);

    item = Toolkit.newJMenuItem(Language.text("menu.debug.continue"), KeyEvent.VK_U);
    item.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          handleContinue();
        }
      });
    debugMenu.add(item);
    item.setEnabled(false);

//    item = new JMenuItem(Language.text("menu.debug.stop"));
//    item.addActionListener(new ActionListener() {
//        public void actionPerformed(ActionEvent e) {
//          Logger.getLogger(JavaEditor.class.getName()).log(Level.INFO, "Invoked 'Stop' menu item");
//          debugger.stopDebug();
//        }
//      });
//    debugMenu.add(item);

    item = Toolkit.newJMenuItem(Language.text("menu.debug.step"), KeyEvent.VK_J);
    item.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        handleStep(0);
      }
    });
    debugMenu.add(item);
    item.setEnabled(false);

    item = Toolkit.newJMenuItemShift(Language.text("menu.debug.step_into"), KeyEvent.VK_J);
    item.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          handleStep(ActionEvent.SHIFT_MASK);
        }
      });
    debugMenu.add(item);
    item.setEnabled(false);

    item = Toolkit.newJMenuItemAlt(Language.text("menu.debug.step_out"), KeyEvent.VK_J);
    item.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          handleStep(ActionEvent.ALT_MASK);
        }
      });
    debugMenu.add(item);
    item.setEnabled(false);

    debugMenu.addSeparator();

    item =
      Toolkit.newJMenuItem(Language.text("menu.debug.toggle_breakpoint"), 'B');
    item.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          Messages.log("Invoked 'Toggle Breakpoint' menu item");
          // TODO wouldn't getCaretLine() do the same thing with less effort?
          toggleBreakpoint(getCurrentLineID().lineIdx());
        }
      });
    debugMenu.add(item);
    item.setEnabled(false);

    /*
    inspectorItem = Toolkit.newJMenuItem(Language.text("menu.debug.show_variables"), 'Y');
    inspectorItem.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          toggleVariableInspector();
        }
      });
    debugMenu.add(inspectorItem);
    inspectorItem.setEnabled(false);
    */

    /*
    item = new JMenuItem(Language.text("menu.debug.list_breakpoints"));
    item.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          Logger.getLogger(JavaEditor.class.getName()).log(Level.INFO, "Invoked 'List Breakpoints' menu item");
          debugger.listBreakpoints();
        }
      });
    debugMenu.add(item);

    debugMenu.addSeparator();
     */

    /*
    item = new JMenuItem(Language.text("menu.debug.print_stack_trace"));
    item.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          Logger.getLogger(JavaEditor.class.getName()).log(Level.INFO, "Invoked 'Print Stack Trace' menu item");
          debugger.printStackTrace();
        }
      });
    debugMenu.add(item);

    item = new JMenuItem(Language.text("menu.debug.print_locals"));
    item.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          Logger.getLogger(JavaEditor.class.getName()).log(Level.INFO, "Invoked 'Print Locals' menu item");
          debugger.printLocals();
        }
      });
    debugMenu.add(item);

    item = new JMenuItem(Language.text("menu.debug.print_fields"));
    item.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          Logger.getLogger(JavaEditor.class.getName()).log(Level.INFO, "Invoked 'Print This' menu item");
          debugger.printThis();
        }
      });
    debugMenu.add(item);

    item = new JMenuItem(Language.text("menu.debug.print_source_location"));
    item.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          Logger.getLogger(JavaEditor.class.getName()).log(Level.INFO, "Invoked 'Print Source' menu item");
          debugger.printSource();
        }
      });
    debugMenu.add(item);

    item = new JMenuItem(Language.text("menu.debug.print_threads"));
    item.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          Logger.getLogger(JavaEditor.class.getName()).log(Level.INFO, "Invoked 'Print Threads' menu item");
          debugger.printThreads();
        }
      });
    debugMenu.add(item);

    debugMenu.addSeparator();
    */

//    item = Toolkit.newJMenuItem(Language.text("menu.debug.toggle_variable_inspector"), KeyEvent.VK_I);
//    item.addActionListener(new ActionListener() {
//        public void actionPerformed(ActionEvent e) {
//          Logger.getLogger(JavaEditor.class.getName()).log(Level.INFO, "Invoked 'Toggle Variable Inspector' menu item");
//          toggleVariableInspector();
//        }
//      });
//    debugMenu.add(item);

    return debugMenu;
  }


  @Override
  public boolean isDebuggerEnabled() {
    return debugEnabled;
  }


  @Override
  public JMenu buildModeMenu() {
    return buildDebugMenu();
  }


  // handleOpenInternal() only called by the Editor constructor, meaning that
  // this code is all useless. All these things will be in their default state.
//  /**
//   * Event handler called when loading another sketch in this editor.
//   * Clears breakpoints of previous sketch.
//   * @return true if a sketch was opened, false if aborted
//   */
//  @Override
//  protected void handleOpenInternal(String path) throws EditorException {
//    super.handleOpenInternal(path);
//
//    // should already been stopped (open calls handleStop)
//    if (debugger != null) {
//      debugger.clearBreakpoints();
//    }
//    clearBreakpointedLines();
//    variableInspector().reset();
//  }


  /**
   * Extract breakpointed lines from source code marker comments. This removes
   * marker comments from the editor text. Intended to be called on loading a
   * sketch, since re-setting the sketches contents after removing the markers
   * will clear all breakpoints.
   *
   * @return the list of {@link LineID}s where breakpoint marker comments were
   * removed from.
   */
  protected List<LineID> stripBreakpointComments() {
    List<LineID> bps = new ArrayList<>();
    // iterate over all tabs
    Sketch sketch = getSketch();
    for (int i = 0; i < sketch.getCodeCount(); i++) {
      SketchCode tab = sketch.getCode(i);
      String code = tab.getProgram();
      String lines[] = code.split("\\r?\\n"); // newlines not included
      //System.out.println(code);

      // scan code for breakpoint comments
      int lineIdx = 0;
      for (String line : lines) {
        //System.out.println(line);
        if (line.endsWith(breakpointMarkerComment)) {
          LineID lineID = new LineID(tab.getFileName(), lineIdx);
          bps.add(lineID);
          //System.out.println("found breakpoint: " + lineID);
          // got a breakpoint
          //dbg.setBreakpoint(lineID);
          int index = line.lastIndexOf(breakpointMarkerComment);
          lines[lineIdx] = line.substring(0, index);
        }
        lineIdx++;
      }
      //tab.setProgram(code);
      code = PApplet.join(lines, "\n");
      setTabContents(tab.getFileName(), code);
    }
    return bps;
  }


  /**
   * Add breakpoint marker comments to the source file of a specific tab. This
   * acts on the source file on disk, not the editor text. Intended to be
   * called just after saving the sketch.
   *
   * @param tabFilename the tab file name
   */
  protected void addBreakpointComments(String tabFilename) {
    SketchCode tab = getTab(tabFilename);
    if (tab == null) {
      // this method gets called twice when saving sketch for the first time
      // once with new name and another with old(causing NPE). Keep an eye out
      // for potential issues. See #2675. TODO:
      Messages.loge("Illegal tab name to addBreakpointComments() " + tabFilename);
      return;
    }
    List<LineBreakpoint> bps = debugger.getBreakpoints(tab.getFileName());

    // load the source file
    ////switched to using methods provided by the SketchCode class
    // File sourceFile = new File(sketch.getFolder(), tab.getFileName());
    //System.out.println("file: " + sourceFile);
    try {
      tab.load();
      String code = tab.getProgram();
      //System.out.println("code: " + code);
      String lines[] = code.split("\\r?\\n"); // newlines not included
      for (LineBreakpoint bp : bps) {
        //System.out.println("adding bp: " + bp.lineID());
        lines[bp.lineID().lineIdx()] += breakpointMarkerComment;
      }
      code = PApplet.join(lines, "\n");
      //System.out.println("new code: " + code);
      tab.setProgram(code);
      tab.save();
    } catch (IOException ex) {
      Messages.loge(null, ex);
    }
  }


  @Override
  public boolean handleSave(boolean immediately) {
    // note modified tabs
    final List<String> modified = new ArrayList<>();
    for (int i = 0; i < getSketch().getCodeCount(); i++) {
      SketchCode tab = getSketch().getCode(i);
      if (tab.isModified()) {
        modified.add(tab.getFileName());
      }
    }

    boolean saved = super.handleSave(immediately);
    if (saved) {
      if (immediately) {
        for (String tabFilename : modified) {
          addBreakpointComments(tabFilename);
        }
      } else {
        EventQueue.invokeLater(new Runnable() {
            @Override
            public void run() {
              for (String tabFilename : modified) {
                addBreakpointComments(tabFilename);
              }
            }
          });
      }
    }
    //  if file location has changed, update autosaver
    // autosaver.reloadAutosaveDir();
    return saved;
  }


  /**
   * Set text contents of a specific tab. Updates underlying document and text
   * area. Clears Breakpoints.
   *
   * @param tabFilename the tab file name
   * @param code the text to set
   */
  protected void setTabContents(String tabFilename, String code) {
    // remove all breakpoints of this tab
    debugger.clearBreakpoints(tabFilename);

    SketchCode currentTab = getCurrentTab();

    // set code of tab
    SketchCode tab = getTab(tabFilename);
    if (tab != null) {
      tab.setProgram(code);
      // this updates document and text area
      // TODO: does this have any negative effects? (setting the doc to null)
      tab.setDocument(null);
      setCode(tab);

      // switch back to original tab
      setCode(currentTab);
    }
  }


  public void clearConsole() {
    console.clear();
  }


  public void clearSelection() {
    setSelection(getCaretOffset(), getCaretOffset());
  }


  /**
   * Select a line in the current tab.
   * @param lineIdx 0-based line number
   */
  public void selectLine(int lineIdx) {
    setSelection(getLineStartOffset(lineIdx), getLineStopOffset(lineIdx));
  }


  /**
   * Set the cursor to the start of a line.
   * @param lineIdx 0-based line number
   */
  public void cursorToLineStart(int lineIdx) {
    setSelection(getLineStartOffset(lineIdx), getLineStartOffset(lineIdx));
  }


  /**
   * Set the cursor to the end of a line.
   * @param lineIdx 0-based line number
   */
  public void cursorToLineEnd(int lineIdx) {
    setSelection(getLineStopOffset(lineIdx), getLineStopOffset(lineIdx));
  }


  /**
   * Switch to a tab.
   * @param tabFileName the file name identifying the tab. (as in
   * {@link SketchCode#getFileName()})
   */
  public void switchToTab(String tabFileName) {
    Sketch s = getSketch();
    for (int i = 0; i < s.getCodeCount(); i++) {
      if (tabFileName.equals(s.getCode(i).getFileName())) {
        s.setCurrentCode(i);
        break;
      }
    }
  }


  public Debugger getDebugger() {
    return debugger;
  }


  /**
   * Access the custom text area object.
   * @return the text area object
   */
  public JavaTextArea getJavaTextArea() {
    return (JavaTextArea) textarea;
  }


  public PreprocessingService getPreprocessingService() {
    return preprocessingService;
  }


  /**
   * Grab current contents of the sketch window, advance the console, stop any
   * other running sketches, auto-save the user's code... not in that order.
   */
  @Override
  public void prepareRun() {
    autoSave();
    super.prepareRun();
    downloadImports();
    preprocessingService.cancel();
  }


  /**
   * Downloads libraries that have been imported, that aren't available as a
   * LocalContribution, but that have an AvailableContribution associated with
   * them.
   */
  protected void downloadImports() {
    for (SketchCode sc : sketch.getCode()) {
      if (sc.isExtension("pde")) {
        String tabCode = sc.getProgram();

        List<ImportStatement> imports =  SourceUtils.parseProgramImports(tabCode);

        if (!imports.isEmpty()) {
          ArrayList<String> importHeaders = new ArrayList<>();
          for (ImportStatement importStatement : imports) {
            importHeaders.add(importStatement.getFullClassName());
          }
          List<AvailableContribution> installLibsHeaders =
            getNotInstalledAvailableLibs(importHeaders);
          if (!installLibsHeaders.isEmpty()) {
            StringBuilder libList = new StringBuilder("Would you like to install them now?");
            for (AvailableContribution ac : installLibsHeaders) {
              libList.append("\n  • ").append(ac.getName());
            }
            int option = Messages.showYesNoQuestion(this,
                Language.text("contrib.import.dialog.title"),
                Language.text("contrib.import.dialog.primary_text"),
                libList.toString());

            if (option == JOptionPane.YES_OPTION) {
              ContributionManager.downloadAndInstallOnImport(base, installLibsHeaders);
            }
          }
        }
      }
    }
  }


  /**
   * Returns a list of AvailableContributions of those libraries that the user
   * wants imported, but that are not installed.
   *
   * @param importHeaders
   */
  private List<AvailableContribution> getNotInstalledAvailableLibs(ArrayList<String> importHeadersList) {
    Map<String, Contribution> importMap =
      ContributionListing.getInstance().getLibrariesByImportHeader();
    List<AvailableContribution> libList = new ArrayList<>();
    for (String importHeaders : importHeadersList) {
      int dot = importHeaders.lastIndexOf('.');
      String entry = (dot == -1) ? importHeaders : importHeaders.substring(0,
          dot);

      if (entry.startsWith("java.") ||
          entry.startsWith("javax.") ||
          entry.startsWith("processing.")) {
        continue;
      }

      Library library = null;
      try {
        library = this.getMode().getLibrary(entry);
        if (library == null) {
          Contribution c = importMap.get(importHeaders);
          if (c != null && c instanceof AvailableContribution) {
            libList.add((AvailableContribution) c);// System.out.println(importHeaders
                                                   // + "not found");
          }
        }
      } catch (Exception e) {
        // Not gonna happen (hopefully)
        Contribution c = importMap.get(importHeaders);
        if (c != null && c instanceof AvailableContribution) {
          libList.add((AvailableContribution) c);// System.out.println(importHeaders
                                                 // + "not found");
        }
      }
    }
    return libList;
  }


  /**
   * Displays a JDialog prompting the user to save when the user hits
   * run/present/etc.
   */
  protected void autoSave() {
    if (!JavaMode.autoSaveEnabled) {
      return;
    }

    try {
      if (sketch.isModified() && !sketch.isUntitled()) {
        if (JavaMode.autoSavePromptEnabled) {
          final JDialog autoSaveDialog =
            new JDialog(base.getActiveEditor(), getSketch().getName(), true);
          Container container = autoSaveDialog.getContentPane();

          JPanel panelMain = new JPanel();
          panelMain.setBorder(BorderFactory.createEmptyBorder(4, 0, 2, 2));
          panelMain.setLayout(new BoxLayout(panelMain, BoxLayout.PAGE_AXIS));

          JPanel panelLabel = new JPanel(new FlowLayout(FlowLayout.LEFT));
          JLabel label = new JLabel("<html><body>&nbsp;There are unsaved"
                                    + " changes in your sketch.<br />"
                                    + "&nbsp;&nbsp;&nbsp; Do you want to save it before"
                                    + " running? </body></html>");
          label.setFont(new Font(label.getFont().getName(),
                                 Font.PLAIN, label.getFont().getSize() + 1));
          panelLabel.add(label);
          panelMain.add(panelLabel);
          final JCheckBox dontRedisplay = new JCheckBox("Remember this decision");
          JPanel panelButtons = new JPanel(new FlowLayout(FlowLayout.CENTER, 8, 2));

          JButton btnRunSave = new JButton("Save and Run");
          btnRunSave.addActionListener(new ActionListener() {
              @Override
              public void actionPerformed(ActionEvent e) {
                handleSave(true);
                if (dontRedisplay.isSelected()) {
                  JavaMode.autoSavePromptEnabled = !dontRedisplay.isSelected();
                  JavaMode.defaultAutoSaveEnabled = true;
                  jmode.savePreferences();
                }
                autoSaveDialog.dispose();
              }
            });
          panelButtons.add(btnRunSave);

          JButton btnRunNoSave = new JButton("Run, Don't Save");
          btnRunNoSave.addActionListener(new ActionListener() {
              @Override
              public void actionPerformed(ActionEvent e) {
                if (dontRedisplay.isSelected()) {
                  JavaMode.autoSavePromptEnabled = !dontRedisplay.isSelected();
                  JavaMode.defaultAutoSaveEnabled = false;
                  jmode.savePreferences();
                }
                autoSaveDialog.dispose();
              }
            });
          panelButtons.add(btnRunNoSave);
          panelMain.add(panelButtons);

          JPanel panelCheck = new JPanel();
          panelCheck.setLayout(new FlowLayout(FlowLayout.CENTER, 0, 0));
          panelCheck.add(dontRedisplay);
          panelMain.add(panelCheck);

          container.add(panelMain);

          autoSaveDialog.setResizable(false);
          autoSaveDialog.pack();
          autoSaveDialog.setLocationRelativeTo(base.getActiveEditor());
          autoSaveDialog.setVisible(true);

        } else if (JavaMode.defaultAutoSaveEnabled) {
          handleSave(true);
        }
      }
    } catch (Exception e) {
      statusError(e);
    }
  }


  /**
   * Access variable inspector window.
   * @return the variable inspector object
   */
  public VariableInspector variableInspector() {
    return inspector;
  }


  protected void activateRun() {
    debugItem.setEnabled(false);
//    toolbar.activate(JavaToolbar.RUN);
    toolbar.activateRun();
  }


  /**
   * Deactivate the Run button. This is called by Runner to notify that the
   * sketch has stopped running, usually in response to an error (or maybe
   * the sketch completing and exiting?) Tools should not call this function.
   * To initiate a "stop" action, call handleStop() instead.
   */
  public void deactivateRun() {
    toolbar.deactivateRun();
    debugItem.setEnabled(true);
  }


  protected void activateDebug() {
    //debugToolbar.activate(DebugToolbar.DEBUG);
    activateRun();
  }


  protected void deactivateDebug() {
    deactivateRun();
  }


  protected void activateContinue() {
    ((JavaToolbar) toolbar).activateContinue();
  }


  protected void deactivateContinue() {
    ((JavaToolbar) toolbar).deactivateContinue();
  }


  protected void activateStep() {
    ((JavaToolbar) toolbar).activateStep();
  }


  protected void deactivateStep() {
    ((JavaToolbar) toolbar).deactivateStep();
  }


  public void toggleDebug() {
    debugEnabled = !debugEnabled;

    rebuildToolbar();
    repaint();  // show/hide breakpoints in the gutter

    if (debugEnabled) {
      debugItem.setText(Language.text("menu.debug.disable"));
    } else {
      debugItem.setText(Language.text("menu.debug.enable"));
    }
    inspector.setVisible(debugEnabled);

    for (Component item : debugMenu.getMenuComponents()) {
      if (item instanceof JMenuItem && item != debugItem) {
        item.setEnabled(debugEnabled);
      }
    }
  }


  /*
  public void toggleVariableInspector() {
    if (inspector.isVisible()) {
      inspectorItem.setText(Language.text("menu.debug.show_variables"));
      inspector.setVisible(false);
    } else {
//      inspector.setFocusableWindowState(false); // to not get focus when set visible
      inspectorItem.setText(Language.text("menu.debug.show_variables"));
      inspector.setVisible(true);
//      inspector.setFocusableWindowState(true); // allow to get focus again
    }
  }
  */


//  public void showVariableInspector() {
//    tray.setVisible(true);
//  }


//  /**
//   * Set visibility of the variable inspector window.
//   * @param visible true to set the variable inspector visible,
//   * false for invisible.
//   */
//  public void showVariableInspector(boolean visible) {
//    tray.setVisible(visible);
//  }
//
//
//  public void hideVariableInspector() {
//    tray.setVisible(true);
//  }
//
//
//  /** Toggle visibility of the variable inspector window. */
//  public void toggleVariableInspector() {
//    tray.setFocusableWindowState(false); // to not get focus when set visible
//    tray.setVisible(!tray.isVisible());
//    tray.setFocusableWindowState(true); // allow to get focus again
//  }


  /**
   * Set the line to highlight as currently suspended at. Will override the
   * breakpoint color, if set. Switches to the appropriate tab and scroll to
   * the line by placing the cursor there.
   * @param line the line to highlight as current suspended line
   */
  public void setCurrentLine(LineID line) {
    clearCurrentLine();
    if (line == null) {
      // safety, e.g. when no line mapping is found and the null line is used.
      return;
    }
    switchToTab(line.fileName());
    // scroll to line, by setting the cursor
    cursorToLineStart(line.lineIdx());
    // highlight line
    currentLine = new LineHighlight(line.lineIdx(), this);
    currentLine.setMarker(JavaTextArea.STEP_MARKER);
    currentLine.setPriority(10); // fixes current line being hidden by the breakpoint when moved down
  }


  /** Clear the highlight for the debuggers current line. */
  public void clearCurrentLine() {
    if (currentLine != null) {
      currentLine.clear();
      currentLine.dispose();

      // revert to breakpoint color if any is set on this line
      for (LineHighlight hl : breakpointedLines) {
        if (hl.getLineID().equals(currentLine.getLineID())) {
          hl.paint();
          break;
        }
      }
      currentLine = null;
    }
  }


  /**
   * Add highlight for a breakpointed line.
   * @param lineID the line id to highlight as breakpointed
   */
  public void addBreakpointedLine(LineID lineID) {
    LineHighlight hl = new LineHighlight(lineID, this);
    hl.setMarker(JavaTextArea.BREAK_MARKER);
    breakpointedLines.add(hl);
    // repaint current line if it's on this line
    if (currentLine != null && currentLine.getLineID().equals(lineID)) {
      currentLine.paint();
    }
  }


  /**
   * Remove a highlight for a breakpointed line. Needs to be on the current tab.
   * @param lineIdx the line index on the current tab to remove a breakpoint
   * highlight from
   */
  public void removeBreakpointedLine(int lineIdx) {
    LineID line = getLineIDInCurrentTab(lineIdx);
    //System.out.println("line id: " + line.fileName() + " " + line.lineIdx());
    LineHighlight foundLine = null;
    for (LineHighlight hl : breakpointedLines) {
      if (hl.getLineID().equals(line)) {
        foundLine = hl;
        break;
      }
    }
    if (foundLine != null) {
      foundLine.clear();
      breakpointedLines.remove(foundLine);
      foundLine.dispose();
      // repaint current line if it's on this line
      if (currentLine != null && currentLine.getLineID().equals(line)) {
        currentLine.paint();
      }
    }
  }


  /** Remove all highlights for breakpointed lines. */
  public void clearBreakpointedLines() {
    for (LineHighlight hl : breakpointedLines) {
      hl.clear();
      hl.dispose();
    }
    breakpointedLines.clear(); // remove all breakpoints
    // fix highlights not being removed when tab names have
    // changed due to opening a new sketch in same editor
    getJavaTextArea().clearGutterText();

    // repaint current line
    if (currentLine != null) {
      currentLine.paint();
    }
  }


  /**
   * Retrieve a {@link LineID} object for a line on the current tab.
   * @param lineIdx the line index on the current tab
   * @return the {@link LineID} object representing a line index on the
   * current tab
   */
  public LineID getLineIDInCurrentTab(int lineIdx) {
    return new LineID(getSketch().getCurrentCode().getFileName(), lineIdx);
  }


  /**
   * Retrieve line of sketch where the cursor currently resides.
   * @return the current {@link LineID}
   */
  protected LineID getCurrentLineID() {
    String tab = getSketch().getCurrentCode().getFileName();
    int lineNo = getTextArea().getCaretLine();
    return new LineID(tab, lineNo);
  }


  /**
   * Check whether a {@link LineID} is on the current tab.
   * @param line the {@link LineID}
   * @return true, if the {@link LineID} is on the current tab.
   */
  public boolean isInCurrentTab(LineID line) {
    return line.fileName().equals(getSketch().getCurrentCode().getFileName());
  }


  /**
   * Event handler called when switching between tabs. Loads all line
   * background colors set for the tab.
   * @param code tab to switch to
   */
  @Override
  public void setCode(SketchCode code) {
    Document oldDoc = code.getDocument();

    //System.out.println("tab switch: " + code.getFileName());
    // set the new document in the textarea, etc. need to do this first
    super.setCode(code);

    Document newDoc = code.getDocument();
    if (oldDoc != newDoc && pdex != null) {
      pdex.documentChanged(newDoc);
    }

    // set line background colors for tab
    final JavaTextArea ta = getJavaTextArea();
    // can be null when setCode is called the first time (in constructor)
    if (ta != null) {
      // clear all gutter text
      ta.clearGutterText();
      // first paint breakpoints
      if (breakpointedLines != null) {
        for (LineHighlight hl : breakpointedLines) {
          if (isInCurrentTab(hl.getLineID())) {
            hl.paint();
          }
        }
      }
      // now paint current line (if any)
      if (currentLine != null) {
        if (isInCurrentTab(currentLine.getLineID())) {
          currentLine.paint();
        }
      }
    }
    if (getDebugger() != null && getDebugger().isStarted()) {
      getDebugger().startTrackingLineChanges();
    }
    if (errorColumn != null) {
      errorColumn.repaint();
    }
  }


  /**
   * Get a tab by its file name.
   * @param filename the filename to search for.
   * @return the {@link SketchCode} object for the tab, or null if not found
   */
  public SketchCode getTab(String filename) {
    Sketch s = getSketch();
    for (SketchCode c : s.getCode()) {
      if (c.getFileName().equals(filename)) {
        return c;
      }
    }
    return null;
  }


  /**
   * Retrieve the current tab.
   * @return the {@link SketchCode} representing the current tab
   */
  public SketchCode getCurrentTab() {
    return getSketch().getCurrentCode();
  }


  /**
   * Access the currently edited document.
   * @return the document object
   */
  public Document currentDocument() {
    return getCurrentTab().getDocument();
  }


  public void statusBusy() {
    statusNotice(Language.text("editor.status.debug.busy"));
  }


  public void statusHalted() {
    statusNotice(Language.text("editor.status.debug.halt"));
  }


  /**
   * Updates the error table in the Error Window.
   * Overridden to handle the fugly import suggestions text.
   */
  @Override
  public void updateErrorTable(List<Problem> problems) {
    errorTable.clearRows();

    for (Problem p : problems) {
      JavaProblem jp = (JavaProblem) p;
      String message = p.getMessage();
      if (JavaMode.importSuggestEnabled &&
          jp.getImportSuggestions() != null &&
          jp.getImportSuggestions().length > 0) {
        message += " (double-click for suggestions)";
      }

      errorTable.addRow(p, message,
                   sketch.getCode(jp.getTabIndex()).getPrettyName(),
                   Integer.toString(p.getLineNumber() + 1));
      // Added +1 because lineNumbers internally are 0-indexed
    }
  }


  @Override
  public void errorTableDoubleClick(Object item) {
    JavaProblem p = (JavaProblem) item;

//    MouseEvent evt = null;
    String[] suggs = p.getImportSuggestions();
    if (suggs != null && suggs.length > 0) {
//      String t = p.getMessage() + "(Import Suggestions available)";
//      FontMetrics fm = getFontMetrics(getFont());
//      int x1 = fm.stringWidth(p.getMessage());
//      int x2 = fm.stringWidth(t);
//      if (evt.getX() > x1 && evt.getX() < x2) {
      String[] list = p.getImportSuggestions();
      String className = list[0].substring(list[0].lastIndexOf('.') + 1);
      String[] temp = new String[list.length];
      for (int i = 0; i < list.length; i++) {
        temp[i] = "<html>Import '" +  className + "' <font color=#777777>(" + list[i] + ")</font></html>";
      }
      //        showImportSuggestion(temp, evt.getXOnScreen(), evt.getYOnScreen() - 3 * getFont().getSize());
      Point mouse = MouseInfo.getPointerInfo().getLocation();
      showImportSuggestion(temp, mouse.x, mouse.y);
    } else {
      errorTableClick(item);
    }
  }


  JFrame frmImportSuggest;

  private void showImportSuggestion(String[] list, int x, int y) {
    if (frmImportSuggest != null) {
//      frmImportSuggest.setVisible(false);
//      frmImportSuggest = null;
      return;
    }
    final JList<String> classList = new JList<>(list);
    classList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    frmImportSuggest = new JFrame();

    frmImportSuggest.setUndecorated(true);
    frmImportSuggest.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
    panel.setBackground(Color.WHITE);
    frmImportSuggest.setBackground(Color.WHITE);
    panel.add(classList);
    JLabel label = new JLabel("<html><div alight = \"left\"><font size = \"2\"><br>(Click to insert)</font></div></html>");
    label.setBackground(Color.WHITE);
    label.setHorizontalTextPosition(SwingConstants.LEFT);
    panel.add(label);
    panel.validate();
    frmImportSuggest.getContentPane().add(panel);
    frmImportSuggest.pack();

    classList.addListSelectionListener(new ListSelectionListener() {
      public void valueChanged(ListSelectionEvent e) {
        if (classList.getSelectedValue() != null) {
          try {
            String t = classList.getSelectedValue().trim();
            Messages.log(t);
            int x = t.indexOf('(');
            String impString = "import " + t.substring(x + 1, t.indexOf(')')) + ";\n";
            int ct = getSketch().getCurrentCodeIndex();
            getSketch().setCurrentCode(0);
            getTextArea().getDocument().insertString(0, impString, null);
            getSketch().setCurrentCode(ct);
          } catch (BadLocationException ble) {
            Messages.log("Failed to insert import");
            ble.printStackTrace();
          }
        }
        frmImportSuggest.setVisible(false);
        frmImportSuggest.dispose();
        frmImportSuggest = null;
      }
    });

    frmImportSuggest.addWindowFocusListener(new WindowFocusListener() {

      @Override
      public void windowLostFocus(WindowEvent e) {
        if (frmImportSuggest != null) {
          frmImportSuggest.dispose();
          frmImportSuggest = null;
        }
      }

      @Override
      public void windowGainedFocus(WindowEvent e) {

      }
    });

    frmImportSuggest.setLocation(x, y);
    frmImportSuggest.setBounds(x, y, 250, 100);
    frmImportSuggest.pack();
    frmImportSuggest.setVisible(true);
  }


  public boolean hasJavaTabs() {
    return hasJavaTabs;
  }


  /**
   * Checks if the sketch contains java tabs. If it does, the editor ain't
   * built for it, yet. Also, user should really start looking at a full IDE
   * like Eclipse. Disable compilation check and some more features.
   */
  private boolean checkForJavaTabs() {
    for (SketchCode code : getSketch().getCode()) {
      if (code.getExtension().equals("java")) {
        if (!javaTabWarned) {
          System.out.println(getSketch().getName() + " contains .java tabs. ");
          System.out.println("Some editor features (like completion " +
                             "and error checking) will be disabled.");
          //Base.showWarning("Cannot debug advanced sketches", msg);
          javaTabWarned = true;
        }
        return true;
      }
    }
    return false;
  }


  @Override
  protected void applyPreferences() {
    super.applyPreferences();
    if (jmode != null) {
      jmode.loadPreferences();
      Messages.log("Applying prefs");
      // trigger it once to refresh UI
      pdex.preferencesChanged();
    }
  }


  // . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

  // TWEAK MODE

  static final String PREF_TWEAK_PORT = "tweak.port";
  static final String PREF_TWEAK_SHOW_CODE = "tweak.showcode";

  public String[] baseCode;
  TweakClient tweakClient;


  protected void startTweakMode() {
    getJavaTextArea().startTweakMode();
  }


  protected void stopTweakMode(List<List<Handle>> handles) {
    tweakClient.shutdown();
    getJavaTextArea().stopTweakMode();

    // remove space from the code (before and after)
    //removeSpacesFromCode();

    // check which tabs were modified
    boolean[] tweakedTabs = getTweakedTabs(handles);
    boolean modified = anythingTrue(tweakedTabs);

    if (modified) {
      // ask to keep the values
      if (Messages.showYesNoQuestion(this, Language.text("tweak_mode"),
                                     Language.text("tweak_mode.keep_changes.line1"),
                                     Language.text("tweak_mode.keep_changes.line2")) == JOptionPane.YES_OPTION) {
        for (int i = 0; i < sketch.getCodeCount(); i++) {
          if (tweakedTabs[i]) {
            sketch.getCode(i).setModified(true);

          } else {
            // load the saved code of tabs that didn't change
            // (there might be formatting changes that should not be saved)
            sketch.getCode(i).setProgram(sketch.getCode(i).getSavedProgram());
            /* Wild Hack: set document to null so the text editor will refresh
               the program contents when the document tab is being clicked */
            sketch.getCode(i).setDocument(null);

            if (i == sketch.getCurrentCodeIndex()) {
              // this will update the current code
              setCode(sketch.getCurrentCode());
            }
          }
        }

        // save the sketch
        try {
          sketch.save();
        } catch (IOException e) {
          Messages.showWarning("Error", "Could not save the modified sketch.", e);
        }

        // repaint the editor header (show the modified tabs)
        header.repaint();
        textarea.invalidate();

      } else {  // no or canceled = don't keep changes
        loadSavedCode();
        // update the painter to draw the saved (old) code
        textarea.invalidate();
      }
    } else {
      // number values were not modified but we need to load the saved code
      // because of some formatting changes
      loadSavedCode();
      textarea.invalidate();
    }
  }


  static private boolean anythingTrue(boolean[] list) {
    for (boolean b : list) {
      if (b) return true;
    }
    return false;
  }


  protected void updateInterface(List<List<Handle>> handles,
                              List<List<ColorControlBox>> colorBoxes) {
    getJavaTextArea().updateInterface(handles, colorBoxes);
  }


  static private boolean[] getTweakedTabs(List<List<Handle>> handles) {
    boolean[] outgoing = new boolean[handles.size()];

    for (int i = 0; i < handles.size(); i++) {
      for (Handle h : handles.get(i)) {
        if (h.valueChanged()) {
          outgoing[i] = true;
        }
      }
    }
    return outgoing;
  }


  protected void initBaseCode() {
    SketchCode[] code = sketch.getCode();

    baseCode = new String[code.length];
    for (int i = 0; i < code.length; i++) {
      baseCode[i] = code[i].getSavedProgram();
    }
  }


  protected void initEditorCode(List<List<Handle>> handles, boolean withSpaces) {
    SketchCode[] sketchCode = sketch.getCode();
    for (int tab=0; tab<baseCode.length; tab++) {
        // beautify the numbers
        int charInc = 0;
        String code = baseCode[tab];

        for (Handle n : handles.get(tab)) {
          int s = n.startChar + charInc;
          int e = n.endChar + charInc;
          String newStr = n.strNewValue;
          if (withSpaces) {
            newStr = "  " + newStr + "  ";
          }
          code = replaceString(code, s, e, newStr);
          n.newStartChar = n.startChar + charInc;
          charInc += n.strNewValue.length() - n.strValue.length();
          if (withSpaces) {
            charInc += 4;
          }
          n.newEndChar = n.endChar + charInc;
        }

        sketchCode[tab].setProgram(code);
        /* Wild Hack: set document to null so the text editor will refresh
           the program contents when the document tab is being clicked */
        sketchCode[tab].setDocument(null);
      }

    // this will update the current code
    setCode(sketch.getCurrentCode());
  }


  private void loadSavedCode() {
    SketchCode[] code = sketch.getCode();
    for (int i=0; i<code.length; i++) {
      if (!code[i].getProgram().equals(code[i].getSavedProgram())) {
        code[i].setProgram(code[i].getSavedProgram());
        /* Wild Hack: set document to null so the text editor will refresh
           the program contents when the document tab is being clicked */
        code[i].setDocument(null);
      }
    }
    // this will update the current code
    setCode(sketch.getCurrentCode());
  }


  /*
  private void removeSpacesFromCode() {
    SketchCode[] code = sketch.getCode();
    for (int i=0; i<code.length; i++) {
      String c = code[i].getProgram();
      //c = c.substring(SPACE_AMOUNT, c.length() - SPACE_AMOUNT);
      code[i].setProgram(c);
      // TODO Wild Hack: set document to null so the text editor will refresh
      // the program contents when the document tab is being clicked
      code[i].setDocument(null);
    }
    // this will update the current code
    setCode(sketch.getCurrentCode());
  }
  */


  /**
   * Replace all numbers with variables and add code to initialize
   * these variables and handle update messages.
   */
  protected boolean automateSketch(Sketch sketch, SketchParser parser) {
    SketchCode[] code = sketch.getCode();

    List<List<Handle>> handles = parser.allHandles;

    if (code.length < 1) {
      return false;
    }

    if (handles.size() == 0) {
      return false;
    }

    int afterSizePos = SketchParser.getAfterSizePos(baseCode[0]);
    if (afterSizePos < 0) {
      return false;
    }

    // get port number from preferences.txt
    int port;
    String portStr = Preferences.get(PREF_TWEAK_PORT);
    if (portStr == null) {
      Preferences.set(PREF_TWEAK_PORT, "auto");
      portStr = "auto";
    }

    if (portStr.equals("auto")) {
      // random port for udp (0xc000 - 0xffff)
      port = (int)(Math.random()*0x3fff) + 0xc000;
    } else {
      port = Preferences.getInteger(PREF_TWEAK_PORT);
    }

    // create the client that will send the new values to the sketch
    tweakClient = new TweakClient(port);
    // update handles with a reference to the client object
    for (int tab=0; tab<code.length; tab++) {
      for (Handle h : handles.get(tab)) {
        h.setTweakClient(tweakClient);
      }
    }


    // Copy current program to interactive program
    // modify the code below, replace all numbers with their variable names
    // loop through all tabs in the current sketch
    for (int tab=0; tab<code.length; tab++) {
      int charInc = 0;
      String c = baseCode[tab];
      for (Handle n : handles.get(tab)) {
        // replace number value with a variable
        c = replaceString(c, n.startChar + charInc, n.endChar + charInc, n.name);
        charInc += n.name.length() - n.strValue.length();
      }
      code[tab].setProgram(c);
    }

    // add the main header to the code in the first tab
    String c = code[0].getProgram();

    // header contains variable declaration, initialization,
    // and OSC listener function
    String header;
    header = "\n\n" +
      "/*************************/\n" +
      "/* MODIFIED BY TWEAKMODE */\n" +
      "/*************************/\n" +
      "\n\n";

    // add needed OSC imports and the global OSC object
    header += "import java.net.*;\n";
    header += "import java.io.*;\n";
    header += "import java.nio.*;\n\n";

    // write a declaration for int and float arrays
    int numOfInts = howManyInts(handles);
    int numOfFloats = howManyFloats(handles);
    if (numOfInts > 0) {
      header += "int[] tweakmode_int = new int["+numOfInts+"];\n";
    }
    if (numOfFloats > 0) {
      header += "float[] tweakmode_float = new float["+numOfFloats+"];\n\n";
    }

    // add the server code that will receive the value change messages
//    header += TweakClient.getServerCode(port, numOfInts>0, numOfFloats>0);
    header += "TweakModeServer tweakmode_Server;\n";

    header += "void tweakmode_initAllVars() {\n";
    //for (int i=0; i<handles.length; i++) {
    for (List<Handle> list : handles) {
      //for (Handle n : handles[i]) {
      for (Handle n : list) {
        header += "  " + n.name + " = " + n.strValue + ";\n";
      }
    }
    header += "}\n\n";
    header += "void tweakmode_initCommunication() {\n";
    header += " tweakmode_Server = new TweakModeServer();\n";
    header += " tweakmode_Server.setup();\n";
    header += " tweakmode_Server.start();\n";
    header += "}\n";

    header += "\n\n\n\n\n";

    // add call to our initAllVars and initOSC functions
    // from the setup() function.
    String addToSetup = "\n\n\n"+
      "  /* TWEAKMODE */\n"+
      "    tweakmode_initAllVars();\n"+
      "    tweakmode_initCommunication();\n"+
      "  /* TWEAKMODE */\n\n";

    afterSizePos = SketchParser.getAfterSizePos(c);
    c = replaceString(c, afterSizePos, afterSizePos, addToSetup);

    // Server code defines a class, so it should go later in the sketch
    String serverCode =
      TweakClient.getServerCode(port, numOfInts>0, numOfFloats>0);
    code[0].setProgram(header + c + serverCode);

    // print out modified code
    String showModCode = Preferences.get(PREF_TWEAK_SHOW_CODE);
    if (showModCode == null) {
      Preferences.setBoolean(PREF_TWEAK_SHOW_CODE, false);
    }

    if (Preferences.getBoolean(PREF_TWEAK_SHOW_CODE)) {
      System.out.println("\nTweakMode modified code:\n");
      for (int i=0; i<code.length; i++) {
        System.out.println("tab " + i + "\n");
        System.out.println("=======================================================\n");
        System.out.println(code[i].getProgram());
      }
    }
    return true;
  }


  static private String replaceString(String str, int start, int end, String put) {
    return str.substring(0, start) + put + str.substring(end, str.length());
  }


  //private int howManyInts(ArrayList<Handle> handles[])
  static private int howManyInts(List<List<Handle>> handles) {
    int count = 0;
    for (List<Handle> list : handles) {
      for (Handle n : list) {
        if ("int".equals(n.type) || "hex".equals(n.type) || "webcolor".equals(n.type)) {
          count++;
        }
      }
    }
    return count;
  }


  //private int howManyFloats(ArrayList<Handle> handles[])
  static private int howManyFloats(List<List<Handle>> handles) {
    int count = 0;
    for (List<Handle> list : handles) {
      for (Handle n : list) {
        if ("float".equals(n.type)) {
          count++;
        }
      }
    }
    return count;
  }
}
