add code and mods for "format for discourse"

app/tools/DiscourseFormat.java

@@ -0,0 +1,391 @@
+/*
+ * Original code by owd, http://usuarios.iponet.es/imoreta
+ *
+ * Notes from the original source:
+ * Discourse.java This is a dirty-mix source.
+ * NOTE that: No macs and no keyboard. Unreliable source.
+ * Only format processing code using fontMetrics.
+ * It works under my windows XP + PentiumIV + Processing 0091.
+ */
+
+package processing.app.tools;
+
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+import javax.swing.text.Segment;
+
+import processing.app.*;
+import processing.app.syntax.*;
+import processing.core.PApplet;
+
+
+public class DiscourseFormat /*extends JPanel implements WindowListener*/ {
+
+  //static final String WINDOW_TITLE = "Code ready: processing.org/discourse";
+  static final String WINDOW_TITLE = "Format for Discourse";
+
+  // p5 icon for the window
+  static Image icon;
+
+  Editor editor;
+  JEditTextArea textarea;
+
+  // Parent editor JTextArea
+  JEditTextArea parent;
+
+  // False listener (no NullPointerException at processKeyEvent,
+  // but gives other problems like the § on the Tab)
+  DiscourseListener listener;
+
+  JFrame frame;
+
+  // One window only (if window exists, update())
+  //static boolean active = false;
+
+  //Discourse.formatDiscourse(textarea);
+
+  /**
+   * Creates a new window with the formated (YaBB tags) sketchcode
+   * from the actual Processing Tab ready to send to the processing discourse
+   * web (copy & paste)
+   */
+  public DiscourseFormat(Editor editor) {
+    //super(new GridBagLayout());
+
+    this.editor = editor;
+    this.parent = editor.textarea;
+
+    textarea = new JEditTextArea(new PdeTextAreaDefaults());
+    textarea.setRightClickPopup(new DiscourseTextAreaPopup());
+    textarea.setTokenMarker(new PdeKeywords());
+    textarea.setHorizontalOffset(6);
+
+    //GridBagConstraints c = new GridBagConstraints();
+    //c.fill = GridBagConstraints.BOTH;
+    //c.weightx = 1.0;
+    //c.weighty = 1.0;
+    //add(textarea, c);
+
+    textarea.setEditable(false);
+
+    //frame.addWindowListener(this);
+    //listener = new DiscourseListener(textarea);
+    wlistener = parent.editorListener;
+
+    //Make sure we have nice window decorations.
+    //Sure... false, false...
+    //JFrame.setDefaultLookAndFeelDecorated(false);
+
+    // Create and set up the window.
+    frame = new JFrame(WINDOW_TITLE);
+    frame.setSize(500, 500);
+
+    // set the window icon
+    try {
+      icon = Base.getImage("icon.gif", frame);
+      frame.setIconImage(icon);
+    } catch (Exception e) {  } // fail silently, no big whup
+    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+
+    // Create and set up the content pane.
+    //JComponent newContentPane = new Discourse();
+    //newContentPane.setOpaque(true); //content panes must be opaque
+    //frame.setContentPane(newContentPane);
+    Container pain = frame.getContentPane();
+    pain.setLayout(new BorderLayout());
+    pain.add(textarea, BorderLayout.CENTER);
+
+    frame.setResizable(true);
+
+    // Display the window
+    frame.pack();
+    //frame.setVisible(true);
+  }
+
+
+  public void show() {
+    // Format and render sketchcode
+
+    // [code] tag cancels other tags, using [quote]
+    StringBuffer cf = new StringBuffer("[quote] \n \n");
+
+    // Line by line
+    for (int i = 0; i < parent.getLineCount(); i++) {
+      cf.append(formatCode(i));
+    }
+
+    cf.append("\n [/quote]");
+
+    // Send the text to the textarea
+    textarea.setText(cf.toString());
+    textarea.select(0, 0);
+
+    frame.show();
+  }
+
+
+  /*
+  // Update contents
+  public static void update() {
+    //
+    preliminars();
+    frame.toFront();
+  }
+  */
+
+  /** Read parent textarea */
+  /*
+  public static void formatDiscourse(JEditTextArea parentTxa) {
+    //String code = parent.getText(0, textarea.getDocumentLength());
+    parent = parentTxa;
+    if (Discourse.active) {
+      // Discourse window exists
+      Discourse.update();
+    } else {
+      // Creates a new discourse window
+      Discourse.createAndShowGUI();
+    }
+  }
+  */
+
+  /*
+  // Returns a string from a char
+  static String character(char ch) {
+    return String.valueOf(ch);
+    //Character Ch = new Character(ch);
+    //return Ch.toString();
+  }
+  */
+
+
+  // A terrible headache...
+  public String formatCode(int line) {
+    StringBuffer cf = new StringBuffer();
+
+    // Segment
+    Segment lineSegment = new Segment();
+
+    TextAreaPainter painter = parent.getPainter();
+    TokenMarker tokenMarker = parent.getTokenMarker();
+
+    // Use painter's cached info for speed
+    FontMetrics fm = painter.getFontMetrics();
+
+    // Jump empty lines
+    // if (parent.getLineLength(line) == 0) cf.concat(character('\n'));
+    // return cf;
+
+    // get line text from parent textarea
+    parent.getLineText(line, lineSegment);
+
+    char[] segmentArray = lineSegment.array;
+    int limit = lineSegment.getEndIndex();
+    int segmentOffset = lineSegment.offset;
+    int segmentCount = lineSegment.count;
+    int width = 0; //parent.getHorizontalOffset();
+
+    int x = 0; //parent.getHorizontalOffset();
+
+    // If syntax coloring is disabled, do simple translation
+    if (tokenMarker == null) {
+      for (int j = 0; j < segmentCount; j++) {
+        char c = segmentArray[j + segmentOffset];
+        cf = cf.append(c); //concat(character(c));
+        int charWidth;
+        if (c == '\t') {
+          charWidth = (int) painter.nextTabStop(width, j) - width;
+        } else {
+          charWidth = fm.charWidth(c);
+        }
+        width += charWidth;
+      }
+
+    } else {
+      // If syntax coloring is enabled, we have to do this
+      // because tokens can vary in width
+      Token tokens;
+      if ((painter.getCurrentLineIndex() == line) &&
+          (painter.getCurrentLineTokens() != null)) {
+        tokens = painter.getCurrentLineTokens();
+
+      } else {
+        painter.setCurrentLineIndex(line);
+        //painter.currentLineIndex = line;
+        painter.setCurrentLineTokens(tokenMarker.markTokens(lineSegment, line));
+        tokens = painter.getCurrentLineTokens();
+      }
+
+      int offset = 0;
+      Toolkit toolkit = painter.getToolkit();
+      Font defaultFont = painter.getFont();
+      SyntaxStyle[] styles = painter.getStyles();
+
+      for (;;) {
+        byte id = tokens.id;
+        if (id == Token.END) {
+          char c = segmentArray[segmentOffset + offset];
+          if (segmentOffset + offset < limit) {
+            cf.append(c);
+          } else {
+            cf.append('\n');
+          }
+          return cf.toString();
+        }
+        if (id == Token.NULL) {
+          fm = painter.getFontMetrics();
+        } else {
+          // Place open tags []
+          //cf.append("[color=" + color() + "]");
+          cf.append("[color=#");
+          cf.append(PApplet.hex(styles[id].getColor().getRGB() & 0xFFFFFF, 6));
+          cf.append("]");
+
+          if (styles[id].isBold())
+            cf.append("[b]");
+
+          fm = styles[id].getFontMetrics(defaultFont);
+        }
+        int length = tokens.length;
+
+        for (int j = 0; j < length; j++) {
+          char c = segmentArray[segmentOffset + offset + j];
+          cf.append(c);
+          // Place close tags [/]
+          if (j == (length - 1) && id != Token.NULL && styles[id].isBold())
+            cf.append("[/b]");
+          if (j == (length - 1) && id != Token.NULL)
+            cf.append("[/color]");
+          int charWidth;
+          if (c == '\t') {
+            charWidth = (int) painter
+              .nextTabStop(width, offset + j)
+              - width;
+          } else {
+            charWidth = fm.charWidth(c);
+          }
+          width += charWidth;
+        }
+        offset += length;
+        tokens = tokens.next;
+      }
+    }
+    return cf.toString();
+  }
+
+
+  /* Return a string [#rrggbb] from color */
+  //public static String color(Color rgbColor) {
+    /*
+    int r = rgbColor.getRed();
+    int g = rgbColor.getGreen();
+    int b = rgbColor.getBlue();
+
+    String rx = r >= 16 ? Integer.toHexString(r) : "0"
+      + Integer.toHexString(r);
+    String gx = g >= 16 ? Integer.toHexString(g) : "0"
+      + Integer.toHexString(g);
+    String bx = b >= 16 ? Integer.toHexString(b) : "0"
+      + Integer.toHexString(b);
+    rx = rx.toUpperCase();
+    gx = gx.toUpperCase();
+    bx = bx.toUpperCase();
+
+    return "#" + rx + gx + bx;
+    */
+
+    /*
+    return "#" +
+      PApplet.hex(rgbColor.getRed(), 2) +
+      PApplet.hex(rgbColor.getGreen(), 2) +
+      PApplet.hex(rgbColor.getBlue(), 2);
+    */
+    //return "#" + PApplet.hex(rgbColor.getRGB() & 0xFFFFFF, 6);
+  //}
+
+  /*
+  // M*erda... voids, voids, voids... Really needed?
+  // Eclipse says YES (?)
+  public void windowOpened(WindowEvent e) {
+  }
+
+  public void windowIconified(WindowEvent e) {
+  }
+
+  public void windowDeiconified(WindowEvent e) {
+  }
+
+  public void windowActivated(WindowEvent e) {
+  }
+
+  public void windowDeactivated(WindowEvent e) {
+  }
+
+  public void windowClosing(WindowEvent arg0) {
+  }
+  */
+
+
+  /**
+   * Returns the discourse popup menu. Another features can be added: format
+   * selected text with a determinated tag (I'm thinking about [url]selected
+   * text[/url])
+   */
+  class DiscourseTextAreaPopup extends JPopupMenu {
+    //protected ReferenceKeys referenceItems = new ReferenceKeys();
+    //String currentDir = System.getProperty("user.dir");
+    //String referenceFile = null;
+    //JMenuItem cutItem, copyItem;
+    JMenuItem copyItem;
+    //JMenuItem referenceItem;
+
+    public DiscourseTextAreaPopup() {
+      JMenuItem item;
+
+      copyItem = new JMenuItem("Copy");
+      copyItem.addActionListener(new ActionListener() {
+          public void actionPerformed(ActionEvent e) {
+            textarea.copy();
+          }
+        });
+      this.add(copyItem);
+
+      item = new JMenuItem("Select All");
+      item.addActionListener(new ActionListener() {
+          public void actionPerformed(ActionEvent e) {
+            textarea.selectAll();
+          }
+        });
+      this.add(item);
+    }
+
+    // if no text is selected, disable copy menu item
+    public void show(Component component, int x, int y) {
+      if (textarea.isSelectionActive()) {
+        copyItem.setEnabled(true);
+
+      } else {
+        copyItem.setEnabled(false);
+      }
+      super.show(component, x, y);
+    }
+  }
+
+
+  /*
+  // A false listener (use the mouse)
+  public class DiscourseListener {
+
+    public DiscourseListener(JEditTextArea thisTextarea) {
+      // I'm a... I know this gives peoblems, but all this code
+      // is a funny hacking experiment
+      thisTextarea.editorListener = parent.editorListener;
+    }
+
+    public boolean keyPressed(KeyEvent event) {
+      System.out.println("Is your mouse lone some tonight...");
+      return false;
+    }
+  }
+  */
+}