taghandler.java

WAP ide 代码

package wapide;

/**
 * A helper class for the IDEFrame class.  Provides convsersion subroutines for
 * converting between graphics and text and vise versa.  Also provides rotuines for
 * inserting the proper text when the toolbar tag buttons are pressed.
 *
 * Copyright:    Copyright (c) 2003
 * Company:
 * @author Mark Busman
 * @version 1.0
 *
 * For License and contact information see WAPIDE.java
 */

import java.awt.*;
import java.awt.event.*;
import java.awt.datatransfer.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.text.html.*;
import javax.swing.tree.*;
import java.util.*;
import java.lang.*;
import java.io.*;

import wbmp.WAPImage;

public class TagHandler {

  /**
   * The popup menu used in both this class and the IDEFrame class.
   */
  protected JPopupMenu ControlPopupMenu = new JPopupMenu();
  private JMenuItem ControlInsertColumn = new JMenuItem();
  private JMenuItem ControlDeleteRow = new JMenuItem();
  private JMenuItem ControlDeleteColumn = new JMenuItem();
  private JMenuItem ControlInsertRow = new JMenuItem();
  private JMenuItem ControlProperties = new JMenuItem();
  private JMenuItem ControlCut = new JMenuItem();
  private JMenuItem ControlCopy = new JMenuItem();
  private JMenuItem ControlPaste = new JMenuItem();
  private ImageIcon image1;     // images used in the popup menu
  private ImageIcon image2;
  private ImageIcon image3;
  private ImageIcon image4;
  private ImageIcon image5;
  private ImageIcon image6;
  private JMenu Menu;
  private JToolBar Tools;
  private JToolBar AdvancedTools;
  private JMenuItem ControlEditAnchor = new JMenuItem();


  // User defined variables
  /**
   * The type of control currently selected, values range from -1 to 5.
   * -1 means nothing selected, a value b/w 0 and 5 indicates one of the
   * control inner-classes defined in this class.
   */
  private int type = -1;
  /**
   * Unique control ID.
   */
  private int GlobalControlCounter = -1;
  /**
   * The GraphicsPane reference to which all controls are added.
   */
  private JTextPane gp = new JTextPane();
  /**
   * Used by the table when a cell is selected.
   */
  private JTextPane focusControl = null;
  /**
   * Reference to the card tabs panel in the IDEFrame class.
   */
  private JTabbedPane CardPane = new JTabbedPane();
  /**
   * Reference to the IDEFrame class statusbar.
   */
  private JLabel Statusbar = new JLabel();
  /**
   * Used by several inner-classes to indicate that a designer
   * window is open since these windows are non-modal.
   */
  private boolean dialogOpen = false;
  /**
   * Indicates that the current card has card level tags such as do
   * before the "p" and "pre" tags.
   */
  private boolean CardTagsCreated = false;
  /**
   * Main OptionDesigner dialog to which new dialogs are assigned.
   */
  private OptionDesigner currentOptionDesigner = new OptionDesigner();
  /**
   * Main CardLevelTagsDesigner dialog to which new doDesigner dialogs are assigned.
   */
  private CardLevelTagsDesigner currentDoDesigner = new CardLevelTagsDesigner();
  /**
   * Main CardLevelTagsDesigner dialog to which new CardLevelTagsDesigner dialogs
   * are assigned.
   */
  private CardLevelTagsDesigner currentTagsDesigner = new CardLevelTagsDesigner();
  /**
   * The currently selected control, img, do, var, or other.  If in a table then the
   * selected cell becomes the controlContainer.  If no controls selected, then null.
   */
  private JComponent controlContainer;
  /**
   * Stores the data of each individual card's card level tags.
   */
  private Vector cardControls = new Vector();
  /**
   * The main KeywordFinder used by this class.
   */
  private KeywordFinder keywordFinder;
  /**
   * Used to indicate if the whole anchor tag text is properly selected.
   */
  private boolean AnchorTagFound = false;
  /**
   * The current card level tags control
   */
  private CardTags CardLevelTags = null;
  /**
   * Indicates the number of cards in the deck.
   */
  private int CardCounter = -1;
  /**
   * The current controls, used when switching b/w cards to
   * maintain the state of the controls w/out having to regenerate
   * them from scratch everytime a change in cards occurs.  Basically
   * its a vector of vectors.
   */
  private Vector openData = new Vector();
  /**
   * The previous card, important when switching cards and saving data.
   */
  private int previndex = -1;
  /**
   * The type of border used by the control. SingleLineBorder or
   * BracketBorder.
   */
  private Border theBorder;

  // Constants
  private static int LEFT_MOUSE_BUTTON = 16;
  private static int RIGHT_MOUSE_BUTTON = 4;


  /**
   * Constructor - creates a new TagHandler object.
   * @param JTextPane pane - the graphics pane.
   * @param JMenu menu - main menu of the application.
   * @param JToolbar tools - the applications's tools toolbar.
   * @paran JToolbar advancedtools - the application's advanced tools toolbar.
   * @param JTabbedPane cardtabs - the CardTabspane of the application.
   * @param JLabel Statusbar - the application's Statusbar.
   */
  public TagHandler(JTextPane pane, JMenu m, JToolBar t , JToolBar at, JTabbedPane cardtabs, JLabel sb) {
    try {
      Menu = m;
      Tools = t;
      AdvancedTools = at;
      CardPane = cardtabs;
      Statusbar = sb;
      gp = pane;
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  /**
   * initializes graphics components.
   */
  private void jbInit() throws Exception {
    image1 = new ImageIcon(wapide.IDEFrame.class.getResource("cut.gif"));
    image2 = new ImageIcon(wapide.IDEFrame.class.getResource("copy.gif"));
    image3 = new ImageIcon(wapide.IDEFrame.class.getResource("paste.gif"));
    image4 = new ImageIcon(wapide.IDEFrame.class.getResource("dummy.gif"));
    image5 = new ImageIcon(wapide.IDEFrame.class.getResource("setvarTag.gif"));
    image6 = new ImageIcon(wapide.IDEFrame.class.getResource("doTag.gif"));
    ControlProperties.setIcon(image4);
    ControlProperties.setText("Properties");
    ControlProperties.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ControlProperties_actionPerformed(e);
      }
    });
    ControlCut.setIcon(image1);
    ControlCut.setText("Cut");
    ControlCut.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ControlCut_actionPerformed(e);
      }
    });
    ControlCopy.setIcon(image2);
    ControlCopy.setText("Copy");
    ControlCopy.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ControlCopy_actionPerformed(e);
      }
    });
    ControlPaste.setIcon(image3);
    ControlPaste.setText("Paste");
    ControlPaste.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ControlPaste_actionPerformed(e);
      }
    });
    ControlPopupMenu.addPopupMenuListener(new javax.swing.event.PopupMenuListener() {
      public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
        ControlPopupMenu_popupMenuWillBecomeVisible(e);
      }
      public void popupMenuCanceled(PopupMenuEvent e) {
      }
      public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
        ControlPopupMenu_popupMenuWillBecomeInvisible(e);
      }
    });
    ControlInsertColumn.setText("Insert Column");
    ControlInsertColumn.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ControlInsertColumn_actionPerformed(e);
      }
    });
    ControlInsertRow.setText("Insert Row");
    ControlInsertRow.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ControlInsertRow_actionPerformed(e);
      }
    });
    ControlDeleteColumn.setText("Delete Column");
    ControlDeleteColumn.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ControlDeleteColumn_actionPerformed(e);
      }
    });
    ControlDeleteRow.setText("Delete Row");
    ControlDeleteRow.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ControlDeleteRow_actionPerformed(e);
      }
    });
    ControlEditAnchor.setIcon(image4);
    ControlEditAnchor.setText("Edit Anchor Tag");
    ControlEditAnchor.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        ControlEditAnchor_actionPerformed(e);
      }
    });
    ControlPopupMenu.add(ControlCut);
    ControlPopupMenu.add(ControlCopy);
    ControlPopupMenu.add(ControlPaste);
    ControlPopupMenu.addSeparator();
    ControlPopupMenu.add(ControlInsertColumn);
    ControlPopupMenu.add(ControlInsertRow);
    ControlPopupMenu.addSeparator();
    ControlPopupMenu.add(ControlDeleteColumn);
    ControlPopupMenu.add(ControlDeleteRow);
    ControlPopupMenu.addSeparator();
    ControlPopupMenu.add(ControlEditAnchor);
    ControlPopupMenu.addSeparator();
    ControlPopupMenu.add(ControlProperties);
  }

  ///////////////////////////////////////////////////////////////////////////
  /////// Main Functions
  ///////////////////////////////////////////////////////////////////////////

  /**
   * Gets the text associated with the button pressed, i.e. an imgage button
   * pressed returns <img src="" alt=""/>.
   * @param ActionEvent e - the button event.
   * @return String text - the default text of the button pressed.
   */
  public String getText(ActionEvent e) {
    String str = "";
    String command = "";
    try {
      JMenuItem mi = (JMenuItem) e.getSource();
      command = mi.getActionCommand();
    }
    catch (ClassCastException cce) {
      try {
        JButton mi = (JButton) e.getSource();
        command = mi.getActionCommand();
      }
      catch (ClassCastException cce2) {
        JComboBox mi = (JComboBox) e.getSource();
        command = mi.getActionCommand();
      }
    }

    if (!command.equals("")) {
      if (command.equals("<wml> Tag")) // cards & decks
        str = "<wml>";
      if (command.equals("<head> Tag"))
        str = "<head></head>";
      if (command.equals("<meta> Tag"))
        str = "<meta/>";
      if (command.equals("<template> Tag"))
        str = "<template></template>";
      if (command.equals("<card> Tag"))
        str = "<card id=\"id\" title=\"title\"></card>";
      if (command.equals("<a> Tag")) // links
        str = "<a href=\"url\"></a>";
      if (command.equals("<anchor> Tag"))
        str = "<anchor></anchor>";
      if (command.equals("<do> Tag")) // actions
        str = "<do type=\"unknown\" label=\"title\"></do>";
      if (command.equals("<go> Tag"))
        str = "<go href=\"url\"></go>";
      if (command.equals("<noop> Tag"))
        str = "<noop/>";
      if (command.equals("<prev> Tag"))
        str = "<prev/>";
      if (command.equals("<refresh> Tag"))
        str = "<refresh></refresh>";
      if (command.equals("<timer> Tag"))
        str = "<timer value=\"value\"/>";
      if (command.equals("<onevent> Tag"))
        str = "<onevent type=\"type\"></onevent>";
      if (command.equals("<big> Tag")) // font styles
        str = "<big></big>";
      if (command.equals("<b> Tag"))
        str = "<b></b>";
      if (command.equals("<em> Tag"))
        str = "<em></em>";
      if (command.equals("<i> Tag"))
        str = "<i></i>";
      if (command.equals("<small> Tag"))
        str = "<small></small>";
      if (command.equals("<strong> Tag"))
        str = "<strong></strong>";
      if (command.equals("<u> Tag"))
        str = "<u></u>";
      if (command.equals("<br> Tag")) // text format
        str = "<br/>";
      if (command.equals("<img> Tag"))
        str = "<img alt=\"\" src=\"source\"/>";
      if (command.equals("<p> Tag"))
        str = "<p align=\"left\"></p>";
      if (command.equals("<pre> Tag"))
        str = "<pre></pre>";
      if (command.equals("<input> Tag")) // user input
        str = "<input name=\"var name\"/>";
      if (command.equals("<optgroup> Tag"))
        str = "<optgroup title=\"title\"></optgroup>";
      if (command.equals("<option> Tag"))
        str = "<option value=\"value\"></option>";
      if (command.equals("<postfield> Tag"))