taghandler.java

WAP ide 代码

          newset.addAttributes(set);
          newset.addAttribute("u", "");
          thepane.setCharacterAttributes(newset, false);
        }
        else { // remove the attribute
          removeAttributes(thepane, start, end, "u");
        }
      }
      if (command.equals("<br> Tag")) {// text format
        JTextPane thepane;
        if (focusControl == null) {
          thepane = gp;
        }
        else
          thepane = focusControl;
        AttributeSet oldset = thepane.getCharacterAttributes();
        SimpleAttributeSet newset = new SimpleAttributeSet();
        newset.addAttributes(oldset);
        newset.addAttribute("br", "");
        thepane.setCharacterAttributes(newset, false);
        button.setAction(new DefaultEditorKit.InsertBreakAction());
        button.doClick();
        thepane.setCharacterAttributes(oldset, true);
      }
      if (command.equals("<img> Tag")) {
        JTextPane thepane;
        if (focusControl == null) {
          thepane = gp;
        }
        else
          thepane = focusControl;
        AttributeSet oldset = thepane.getCharacterAttributes();
        SimpleAttributeSet newset = new SimpleAttributeSet();
        newset.addAttributes(oldset);
        GlobalControlCounter++;
        newset.addAttribute("img", new Integer(GlobalControlCounter).toString());
        img i = new img(thepane, GlobalControlCounter);
        cardControls.add(i);
        int pos = thepane.getCaretPosition();
        thepane.setSelectionStart(thepane.getCaretPosition() - 1);
        thepane.setSelectionEnd(thepane.getCaretPosition());
        thepane.setCharacterAttributes(newset, false);
        thepane.setSelectionStart(pos);
        thepane.setSelectionEnd(pos);
      }
      if (command.equals("<p> Tag")) {
        button.setAction(new DefaultEditorKit.InsertBreakAction());
        button.doClick();
        MutableAttributeSet set = new SimpleAttributeSet();
        StyleConstants.setAlignment(set, StyleConstants.ALIGN_LEFT);
        StyleConstants.setFontFamily(set, "Default");
        gp.setParagraphAttributes(set, true);
      }
      if (command.equals("<pre> Tag")) {
        button.setAction(new DefaultEditorKit.InsertBreakAction());
        button.doClick();
        MutableAttributeSet set = new SimpleAttributeSet();
        StyleConstants.setAlignment(set, StyleConstants.ALIGN_LEFT);
        StyleConstants.setFontFamily(set, "Serif");
        set.addAttribute("pre", "");
        gp.setParagraphAttributes(set, true);
      }
      if (command.equals("<input> Tag")) {// user input
        JTextPane thepane;
        if (focusControl == null) {
          thepane = gp;
        }
        else
          thepane = focusControl;
        AttributeSet oldset = thepane.getCharacterAttributes();
        SimpleAttributeSet newset = new SimpleAttributeSet();
        newset.addAttributes(oldset);
        GlobalControlCounter++;
        newset.addAttribute("input", new Integer(GlobalControlCounter).toString());
        input i = new input(graphicsPane, GlobalControlCounter, border);
        cardControls.add(i);
        int pos = thepane.getCaretPosition();
        thepane.setSelectionStart(thepane.getCaretPosition() - 1);
        thepane.setSelectionEnd(thepane.getCaretPosition());
        thepane.setCharacterAttributes(newset, false);
        thepane.setSelectionStart(pos);
        thepane.setSelectionEnd(pos);
      }
      if (command.equals("<optgroup> Tag"))
        currentOptionDesigner.addOptGroup();
        currentOptionDesigner.requestFocus();
      if (command.equals("<option> Tag"))
        currentOptionDesigner.addOption();
        currentOptionDesigner.requestFocus();
      if (command.equals("<select> Tag")) {
        JTextPane thepane;
        if (focusControl == null) {
          thepane = gp;
        }
        else
          thepane = focusControl;
        AttributeSet oldset = thepane.getCharacterAttributes();
        SimpleAttributeSet newset = new SimpleAttributeSet();
        newset.addAttributes(oldset);
        GlobalControlCounter++;
        newset.addAttribute("select", new Integer(GlobalControlCounter).toString());
        select s = new select(graphicsPane, GlobalControlCounter, border);
        cardControls.add(s);
        int pos = thepane.getCaretPosition();
        thepane.setSelectionStart(thepane.getCaretPosition() - 1);
        thepane.setSelectionEnd(thepane.getCaretPosition());
        thepane.setCharacterAttributes(newset, false);
        thepane.setSelectionStart(pos);
        thepane.setSelectionEnd(pos);
      }
      if (command.equals("<fieldset> Tag")){
        GlobalControlCounter++;
        SimpleAttributeSet attr = new SimpleAttributeSet();
        attr.addAttribute("counter", new Integer(GlobalControlCounter).toString());
        SimpleAttributeSet tag = new SimpleAttributeSet();
        tag.addAttribute("fieldset", attr);
        if (graphicsPane.hasFocus())
          gp.setCharacterAttributes(tag, false);
        else
          focusControl.setCharacterAttributes(tag, false);
        disableControls("fieldset");
      }
      if (command.equals("<setvar> Tag")) { // variables
        if (CardTagsCreated && currentTagsDesigner.isVisible()) {
          if (currentTagsDesigner.isVisible())
            currentTagsDesigner.addSetvarTag();
        }
        else if (currentDoDesigner.isVisible())
          currentDoDesigner.addSetvarTag();
        else {
          JTextPane thepane;
          if (focusControl == null) {
            thepane = gp;
          }
          else
            thepane = focusControl;
          AttributeSet oldset = thepane.getCharacterAttributes();
          SimpleAttributeSet newset = new SimpleAttributeSet();
          newset.addAttributes(oldset);
          GlobalControlCounter++;
          newset.addAttribute("variable", new Integer(GlobalControlCounter).toString());
          variable v = new variable(graphicsPane, GlobalControlCounter);
          cardControls.add(v);
          int pos = thepane.getCaretPosition();
          thepane.setSelectionStart(thepane.getCaretPosition() - 1);
          thepane.setSelectionEnd(thepane.getCaretPosition());
          thepane.setCharacterAttributes(newset, false);
          thepane.setSelectionStart(pos);
          thepane.setSelectionEnd(pos);
        }
      }
      if (command.equals("<table> Tag")) {// tables
        JTextPane thepane;
        if (focusControl == null) {
          thepane = gp;
        }
        else
          thepane = focusControl;
        AttributeSet oldset = thepane.getCharacterAttributes();
        SimpleAttributeSet newset = new SimpleAttributeSet();
        newset.addAttributes(oldset);
        GlobalControlCounter++;
        newset.addAttribute("table", new Integer(GlobalControlCounter).toString());
        table t = new table(graphicsPane, GlobalControlCounter);
        int pos = thepane.getCaretPosition();
        thepane.setSelectionStart(thepane.getCaretPosition() - 1);
        thepane.setSelectionEnd(thepane.getCaretPosition());
        thepane.setCharacterAttributes(newset, false);
        thepane.setSelectionStart(pos);
        thepane.setSelectionEnd(pos);
        t.addDefaultContent();
        cardControls.add(t);
      }
      if (command.equals("<td> Tag")) {
        try {
          table t = (table) controlContainer;
          t.addColumn();
        }
        catch (NullPointerException nuullerr) {}
      }
      if (command.equals("<tr> Tag")) {
        try {
          table t = (table) controlContainer;
          t.addRow();
        }
        catch (NullPointerException nullerr) {}
      }
    }
  }

  /////////////////////////////////////////////////////////////////////////
  /////// Helper functions for IDEFrame
  /////////////////////////////////////////////////////////////////////////

  /**
   * Sets the keyword finder to be used in this TagHandler.
   * @param KeywordFinder keywordfinder.
   */
  public void setKeywordFinder(KeywordFinder kf) {
    keywordFinder = kf;
  }

  /**
   * Performs the actual switching of data when a different tab is clicked.
   */
  public void switchCards() {
    if (CardPane.getTabCount() > 0) {
      int index = CardPane.getSelectedIndex();

        // save the data
        if ((previndex > -1) && (previndex != index)) {
          Vector data = new Vector();
          data.add(new Integer(GlobalControlCounter));
          data.add(gp.getStyledDocument());
          data.add(new Boolean(CardTagsCreated));
          data.add(cardControls);
          data.add(CardLevelTags);
          openData.setElementAt(data, previndex);
        }

        // get the data
        if (previndex != index) {
          Vector data = (Vector) openData.get(index);
          GlobalControlCounter = ((Integer) data.get(0)).intValue();
          gp.setStyledDocument((DefaultStyledDocument) data.get(1));
          CardTagsCreated = ((Boolean) data.get(2)).booleanValue();
          cardControls = (Vector) data.get(3);
          CardLevelTags = (CardTags) data.get(4);
          gp.setVisible(false);
          gp.setVisible(true);
          previndex = index;
        }
    }
  }

  /**
   * Creates the cards of a deck from the text supplied.  Does not do
   * any syntax checking or parsing yet.
   * @param String text - the contents of a deck in text.
   */
  public void createCards(String text) {
    // first be sure to remove any tabs previously set
    CardPane.removeAll();
    openData = new Vector();
    CardCounter = -1;

    // look for wml and delete everything before it, including wml tag
    // look for /wml and delete everything after it, including /wml tag
    // if either tag does not exist report an error and stop conversion
    Vector cardData = new Vector();

    int pos = -1;
    int wmlstart = -1;
    int wmlend =  -1;
    StringTokenizer st = new StringTokenizer(text, "<", true);
    while (st.hasMoreTokens()) {
      String s = st.nextToken();
      if (s.trim().indexOf("wml") == 0) {
        wmlstart = text.indexOf("wml", pos);
        int test = text.indexOf("<", wmlstart + 1); // perform a test
        int end = text.indexOf(">", wmlstart + 1);  // to see if <wml> tag
        if (end > test) // ends with the proper closing character.
          wmlstart = test;  // if it does not, do not overwrite anything,
        else
          wmlstart = end + 1; // if it does, then don't include closing character.
      }
      if (s.trim().indexOf("/wml") == 0) {
        wmlend = pos;
      }
      pos = pos + s.length();
    }

    boolean error = true;
    try {
      if (wmlstart > -1) {
        if (wmlend > -1) {
          text = text.substring(wmlstart, wmlend);
          error = false;
        }
        else {
          Statusbar.setText("Error: no </wml> tag found.");
        }
      }
      else {
        Statusbar.setText("Error: no <wml> tag found.");
      }
    }
    catch (StringIndexOutOfBoundsException sioberr) {
      Statusbar.setText("Error: cannot process text for Graphical Editor");
    }

    if (!error) {
      int cardcount = 0;
      boolean carderror = false;
      pos = -1;
      int cardstart = -1;
      int cardend = -1;
      st = new StringTokenizer(text, "<", true);
      while (st.hasMoreTokens()) {
        String s = st.nextToken();
        if ((s.trim().indexOf("card") == 0) && (cardstart > -1)) {
          Statusbar.setText("Error: stopped processing at card #" + new Integer(cardcount).toString());
          carderror = true;
        }
        if ((s.trim().indexOf("card") == 0) && (cardstart == -1)) {
          cardstart = pos - 1;
        }
        if (s.trim().indexOf("card") == 0) {
          cardcount++;
        }
        if ((s.trim().indexOf("/card") == 0) && (cardstart == -1)) {
          Statusbar.setText("Error: stopped processing after card #" + new Integer(cardcount).toString());
          carderror = true;
        }
        if ((s.trim().indexOf("/card") == 0) && (cardstart > -1) &&
            (cardend == -1)) {
          cardend = pos;
        }
        pos = pos + s.length();
        if ((cardstart > - 1) && (cardend > -1)) {
          try {
            if (!carderror) {
              cardData.add(text.substring(cardstart, cardend) + "</card>");
              cardstart = cardend = -1;
            }
          }
          catch (StringIndexOutOfBoundsException siobe2) {
            Statusbar.setText("Error: stopped processing at card #" + cardcount);
          }
        }
      }

      for (int c = 0; c < cardData.size(); c++) {
        Converter conv = new Converter(gp);
        conv.toGraphics((String) cardData.get(c));
      }
    }
  }

  /**
   * Merges the card data with the rest of the WML deck data.
   * @param String cardData - the data converted.
   * @param String deckData - the rest of the WML deck.
   * @return String text - the merged deck and cards.
   *
   */
  public String mergeCards(String cardData, String deckData) {

    Hashtable mergepoints = getMergePositions(deckData);
    String header = "";
    String footer = "";
    String template = "";
    try {
      int pos = ((Integer) mergepoints.get("wml")).intValue();
      int end = deckData.indexOf(">", pos);
      header = deckData.substring(0, end + 1) + "\n";
    }