Cre@te Online 2000 December/Cre@teOnline CD05.iso/MacSoft/XML ConsoleMax.sea/XML ConsoleMax/Required/swingall.jar/javax/swing/JMenu.class

Java Class File | 1999-07-15 | 14.5 KB | 659 lines

package javax.swing;

import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.beans.PropertyChangeListener;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;
import javax.accessibility.Accessible;
import javax.accessibility.AccessibleContext;
import javax.accessibility.AccessibleState;
import javax.swing.event.ChangeListener;
import javax.swing.event.MenuEvent;
import javax.swing.event.MenuListener;
import javax.swing.plaf.MenuItemUI;
import javax.swing.plaf.PopupMenuUI;

public class JMenu extends JMenuItem implements Accessible, MenuElement {
   private static final String uiClassID = "MenuUI";
   private JPopupMenu popupMenu;
   private ChangeListener menuChangeListener;
   private MenuEvent menuEvent;
   private static Hashtable listenerRegistry = null;
   private int delay;
   protected WinListener popupListener;
   // $FF: synthetic field
   static Class class$javax$swing$event$MenuListener;

   public JMenu() {
      this("");
   }

   public JMenu(String var1) {
      super(var1);
      this.menuChangeListener = null;
      this.menuEvent = null;
   }

   public JMenu(String var1, boolean var2) {
      this(var1);
   }

   // $FF: synthetic method
   static MenuElement[] access$0(JMenu var0, JMenu var1) {
      return var0.buildMenuElementArray(var1);
   }

   public Component add(Component var1) {
      if (var1 instanceof JComponent) {
         AccessibleContext var2 = ((JComponent)var1).getAccessibleContext();
         if (var2 != null) {
            var2.setAccessibleParent(this);
         }
      }

      this.ensurePopupMenuCreated();
      this.popupMenu.add(var1);
      return var1;
   }

   public JMenuItem add(String var1) {
      return this.add(new JMenuItem(var1));
   }

   public JMenuItem add(Action var1) {
      JMenuItem var2 = new JMenuItem((String)var1.getValue("Name"), (Icon)var1.getValue("SmallIcon"));
      ((AbstractButton)var2).setHorizontalTextPosition(4);
      ((AbstractButton)var2).setVerticalTextPosition(0);
      var2.setEnabled(var1.isEnabled());
      ((AbstractButton)var2).addActionListener(var1);
      this.add(var2);
      this.registerMenuItemForAction(var2, var1);
      return var2;
   }

   public JMenuItem add(JMenuItem var1) {
      AccessibleContext var2 = var1.getAccessibleContext();
      var2.setAccessibleParent(this);
      this.ensurePopupMenuCreated();
      return this.popupMenu.add(var1);
   }

   public void addMenuListener(MenuListener var1) {
      super.listenerList.add(class$javax$swing$event$MenuListener != null ? class$javax$swing$event$MenuListener : (class$javax$swing$event$MenuListener = class$("javax.swing.event.MenuListener")), var1);
   }

   public void addSeparator() {
      this.ensurePopupMenuCreated();
      this.popupMenu.addSeparator();
   }

   private MenuElement[] buildMenuElementArray(JMenu var1) {
      Vector var2 = new Vector();
      Object var3 = var1.getPopupMenu();

      while(true) {
         while(!(var3 instanceof JPopupMenu)) {
            if (var3 instanceof JMenu) {
               JMenu var5 = (JMenu)var3;
               var2.insertElementAt(var5, 0);
               var3 = ((Component)var5).getParent();
            } else if (var3 instanceof JMenuBar) {
               JMenuBar var6 = (JMenuBar)var3;
               var2.insertElementAt(var6, 0);
               MenuElement[] var7 = new MenuElement[var2.size()];
               var2.copyInto(var7);
               return var7;
            }
         }

         JPopupMenu var4 = (JPopupMenu)var3;
         var2.insertElementAt(var4, 0);
         var3 = var4.getInvoker();
      }
   }

   // $FF: synthetic method
   static Class class$(String var0) {
      try {
         return Class.forName(var0);
      } catch (ClassNotFoundException var2) {
         throw new NoClassDefFoundError(((Throwable)var2).getMessage());
      }
   }

   private void clearListenerRegistry() {
      if (listenerRegistry != null) {
         Enumeration var1 = listenerRegistry.keys();

         while(var1.hasMoreElements()) {
            Object var2 = var1.nextElement();
            if (var2 == this) {
               JMenuItem var3 = (JMenuItem)var2;
               ActionChangedListener var4 = (ActionChangedListener)listenerRegistry.get(var3);
               if (var4 != null) {
                  Action var5 = (Action)listenerRegistry.get(var4);
                  if (var5 != null) {
                     ((AbstractButton)var3).removeActionListener(var5);
                     var5.removePropertyChangeListener(var4);
                  }

                  var4.setTarget((JMenuItem)null);
               }
            }
         }

         listenerRegistry.clear();
      }

   }

   protected PropertyChangeListener createActionChangeListener(JMenuItem var1) {
      return new ActionChangedListener(this, var1);
   }

   private ChangeListener createMenuChangeListener() {
      return new MenuChangeListener(this);
   }

   protected WinListener createWinListener(JPopupMenu var1) {
      return new WinListener(this, var1);
   }

   public void doClick(int var1) {
      MenuElement[] var2 = this.buildMenuElementArray(this);
      MenuSelectionManager.defaultManager().setSelectedPath(var2);
   }

   private void ensurePopupMenuCreated() {
      if (this.popupMenu == null) {
         this.popupMenu = new JPopupMenu();
         this.popupMenu.setInvoker(this);
         this.popupListener = this.createWinListener(this.popupMenu);
         this.popupMenu.addPopupMenuListener(new 1(this));
      }

   }

   protected void fireMenuCanceled() {
      Object[] var1 = super.listenerList.getListenerList();

      for(int var2 = var1.length - 2; var2 >= 0; var2 -= 2) {
         if (var1[var2] == (class$javax$swing$event$MenuListener != null ? class$javax$swing$event$MenuListener : (class$javax$swing$event$MenuListener = class$("javax.swing.event.MenuListener")))) {
            if (var1[var2 + 1] == null) {
               throw new Error(((AbstractButton)this).getText() + " has a NULL Listener!! " + var2);
            }

            if (this.menuEvent == null) {
               this.menuEvent = new MenuEvent(this);
            }

            ((MenuListener)var1[var2 + 1]).menuCanceled(this.menuEvent);
         }
      }

   }

   protected void fireMenuDeselected() {
      Object[] var1 = super.listenerList.getListenerList();

      for(int var2 = var1.length - 2; var2 >= 0; var2 -= 2) {
         if (var1[var2] == (class$javax$swing$event$MenuListener != null ? class$javax$swing$event$MenuListener : (class$javax$swing$event$MenuListener = class$("javax.swing.event.MenuListener")))) {
            if (var1[var2 + 1] == null) {
               throw new Error(((AbstractButton)this).getText() + " has a NULL Listener!! " + var2);
            }

            if (this.menuEvent == null) {
               this.menuEvent = new MenuEvent(this);
            }

            ((MenuListener)var1[var2 + 1]).menuDeselected(this.menuEvent);
         }
      }

   }

   protected void fireMenuSelected() {
      Object[] var1 = super.listenerList.getListenerList();

      for(int var2 = var1.length - 2; var2 >= 0; var2 -= 2) {
         if (var1[var2] == (class$javax$swing$event$MenuListener != null ? class$javax$swing$event$MenuListener : (class$javax$swing$event$MenuListener = class$("javax.swing.event.MenuListener")))) {
            if (var1[var2 + 1] == null) {
               throw new Error(((AbstractButton)this).getText() + " has a NULL Listener!! " + var2);
            }

            if (this.menuEvent == null) {
               this.menuEvent = new MenuEvent(this);
            }

            ((MenuListener)var1[var2 + 1]).menuSelected(this.menuEvent);
         }
      }

   }

   public AccessibleContext getAccessibleContext() {
      if (super.accessibleContext == null) {
         super.accessibleContext = new AccessibleJMenu(this);
      }

      return super.accessibleContext;
   }

   public Component getComponent() {
      return this;
   }

   public int getDelay() {
      return this.delay;
   }

   public JMenuItem getItem(int var1) {
      if (var1 < 0) {
         throw new IllegalArgumentException("index less than zero.");
      } else {
         Component var2 = this.getMenuComponent(var1);
         if (var2 instanceof JMenuItem) {
            JMenuItem var3 = (JMenuItem)var2;
            return var3;
         } else {
            return null;
         }
      }
   }

   public int getItemCount() {
      return this.getMenuComponentCount();
   }

   public Component getMenuComponent(int var1) {
      return this.popupMenu != null ? this.popupMenu.getComponent(var1) : null;
   }

   public int getMenuComponentCount() {
      int var1 = 0;
      if (this.popupMenu != null) {
         var1 = this.popupMenu.getComponentCount();
      }

      return var1;
   }

   public Component[] getMenuComponents() {
      return this.popupMenu != null ? this.popupMenu.getComponents() : new Component[0];
   }

   public JPopupMenu getPopupMenu() {
      this.ensurePopupMenuCreated();
      return this.popupMenu;
   }

   private Point getPopupMenuOrigin() {
      int var1 = 0;
      int var2 = 0;
      JPopupMenu var3 = this.getPopupMenu();
      Dimension var4 = Toolkit.getDefaultToolkit().getScreenSize();
      Dimension var5 = ((Component)this).getSize();
      Dimension var6 = ((Component)var3).getSize();
      if (var6.width == 0) {
         var6 = ((JComponent)var3).getPreferredSize();
      }

      Point var7 = ((Component)this).getLocationOnScreen();
      Container var8 = ((Component)this).getParent();
      if (var8 instanceof JPopupMenu) {
         if (SwingUtilities.isLeftToRight(this)) {
            if (var7.x + var5.width + var6.width < var4.width) {
               var1 = var5.width;
            } else {
               var1 = -var6.width;
            }
         } else if (var7.x < var6.width) {
            var1 = var5.width;
         } else {
            var1 = -var6.width;
         }

         if (var7.y + var6.height < var4.height) {
            var2 = 0;
         } else {
            var2 = var5.height - var6.height;
         }
      } else {
         if (SwingUtilities.isLeftToRight(this)) {
            if (var7.x + var6.width < var4.width) {
               var1 = 0;
            } else {
               var1 = var5.width - var6.width;
            }
         } else if (var7.x + var5.width < var6.width) {
            var1 = 0;
         } else {
            var1 = var5.width - var6.width;
         }

         if (var7.y + var5.height + var6.height < var4.height) {
            var2 = var5.height;
         } else {
            var2 = -var6.height;
         }
      }

      return new Point(var1, var2);
   }

   public MenuElement[] getSubElements() {
      if (this.popupMenu == null) {
         return new MenuElement[0];
      } else {
         MenuElement[] var1 = new MenuElement[]{this.popupMenu};
         return var1;
      }
   }

   public String getUIClassID() {
      return "MenuUI";
   }

   public void insert(String var1, int var2) {
      if (var2 < 0) {
         throw new IllegalArgumentException("index less than zero.");
      } else {
         this.ensurePopupMenuCreated();
         this.popupMenu.insert(new JMenuItem(var1), var2);
      }
   }

   public JMenuItem insert(Action var1, int var2) {
      if (var2 < 0) {
         throw new IllegalArgumentException("index less than zero.");
      } else {
         this.ensurePopupMenuCreated();
         JMenuItem var3 = new JMenuItem((String)var1.getValue("Name"), (Icon)var1.getValue("SmallIcon"));
         ((AbstractButton)var3).setHorizontalTextPosition(4);
         ((AbstractButton)var3).setVerticalTextPosition(0);
         var3.setEnabled(var1.isEnabled());
         ((AbstractButton)var3).addActionListener(var1);
         this.popupMenu.insert(var3, var2);
         this.registerMenuItemForAction(var3, var1);
         return var3;
      }
   }

   public JMenuItem insert(JMenuItem var1, int var2) {
      if (var2 < 0) {
         throw new IllegalArgumentException("index less than zero.");
      } else {
         AccessibleContext var3 = var1.getAccessibleContext();
         var3.setAccessibleParent(this);
         this.ensurePopupMenuCreated();
         this.popupMenu.insert(var1, var2);
         return var1;
      }
   }

   public void insertSeparator(int var1) {
      if (var1 < 0) {
         throw new IllegalArgumentException("index less than zero.");
      } else {
         this.ensurePopupMenuCreated();
         this.popupMenu.insert(new JPopupMenu.Separator(), var1);
      }
   }

   public boolean isMenuComponent(Component var1) {
      if (var1 == this) {
         return true;
      } else {
         if (var1 instanceof JPopupMenu) {
            JPopupMenu var2 = (JPopupMenu)var1;
            if (var2 == this.getPopupMenu()) {
               return true;
            }
         }

         int var7 = this.getMenuComponentCount();
         Component[] var3 = this.getMenuComponents();

         for(int var4 = 0; var4 < var7; ++var4) {
            Component var5 = var3[var4];
            if (var5 == var1) {
               return true;
            }

            if (var5 instanceof JMenu) {
               JMenu var6 = (JMenu)var5;
               if (var6.isMenuComponent(var1)) {
                  return true;
               }
            }
         }

         return false;
      }
   }

   public boolean isPopupMenuVisible() {
      this.ensurePopupMenuCreated();
      return this.popupMenu.isVisible();
   }

   public boolean isSelected() {
      return ((AbstractButton)this).getModel().isSelected();
   }

   public boolean isTearOff() {
      throw new Error("boolean isTearOff() {} not yet implemented");
   }

   public boolean isTopLevelMenu() {
      return ((Component)this).getParent() instanceof JMenuBar;
   }

   public void menuSelectionChanged(boolean var1) {
      this.setSelected(var1);
   }

   protected String paramString() {
      return super.paramString();
   }

   protected void processKeyEvent(KeyEvent var1) {
      MenuSelectionManager.defaultManager().processKeyEvent(var1);
      if (!((InputEvent)var1).isConsumed()) {
         if (this.isSelected() && (var1.getKeyCode() == 9 || var1.getKeyChar() == '\t')) {
            if ((Boolean)UIManager.get("Menu.consumesTabs") == Boolean.TRUE) {
               ((InputEvent)var1).consume();
               return;
            }

            MenuSelectionManager.defaultManager().clearSelectedPath();
         }

         super.processKeyEvent(var1);
      }
   }

   private void registerMenuItemForAction(JMenuItem var1, Action var2) {
      PropertyChangeListener var3 = this.createActionChangeListener(var1);
      if (listenerRegistry == null) {
         listenerRegistry = new Hashtable();
      }

      listenerRegistry.put(var1, var3);
      listenerRegistry.put(var3, var2);
      var2.addPropertyChangeListener(var3);
   }

   public void remove(int var1) {
      if (var1 < 0) {
         throw new IllegalArgumentException("index less than zero.");
      } else if (var1 > this.getItemCount()) {
         throw new IllegalArgumentException("index greater than the number of items.");
      } else {
         JMenuItem var2 = this.getItem(var1);
         if (var2 instanceof JMenuItem) {
            this.unregisterMenuItemForAction(var2);
         }

         if (this.popupMenu != null) {
            this.popupMenu.remove(var1);
         }

      }
   }

   public void remove(Component var1) {
      if (this.popupMenu != null) {
         this.popupMenu.remove(var1);
      }

   }

   public void remove(JMenuItem var1) {
      if (this.popupMenu != null) {
         this.popupMenu.remove(var1);
      }

      this.unregisterMenuItemForAction(var1);
   }

   public void removeAll() {
      if (this.popupMenu != null) {
         this.popupMenu.removeAll();
      }

      this.clearListenerRegistry();
   }

   public void removeMenuListener(MenuListener var1) {
      super.listenerList.remove(class$javax$swing$event$MenuListener != null ? class$javax$swing$event$MenuListener : (class$javax$swing$event$MenuListener = class$("javax.swing.event.MenuListener")), var1);
   }

   public void setAccelerator(KeyStroke var1) {
      throw new Error("setAccelerator() is not defined for JMenu.  Use setMnemonic() instead.");
   }

   public void setDelay(int var1) {
      if (var1 < 0) {
         throw new IllegalArgumentException("Delay must be a positive integer");
      } else {
         this.delay = var1;
      }
   }

   public void setMenuLocation(int var1, int var2) {
      if (this.popupMenu != null) {
         this.popupMenu.setLocation(var1, var2);
      }

   }

   public void setModel(ButtonModel var1) {
      ButtonModel var2 = ((AbstractButton)this).getModel();
      super.setModel(var1);
      if (var2 != null && this.menuChangeListener != null) {
         var2.removeChangeListener(this.menuChangeListener);
         this.menuChangeListener = null;
      }

      super.model = var1;
      if (var1 != null) {
         this.menuChangeListener = this.createMenuChangeListener();
         var1.addChangeListener(this.menuChangeListener);
      }

   }

   public void setPopupMenuVisible(boolean var1) {
      if (((Component)this).isEnabled()) {
         boolean var2 = this.isPopupMenuVisible();
         if (var1 != var2) {
            this.ensurePopupMenuCreated();
            if (var1 && ((Component)this).isShowing()) {
               Point var3 = this.getPopupMenuOrigin();
               this.getPopupMenu().show(this, var3.x, var3.y);
            } else {
               this.getPopupMenu().setVisible(false);
            }
         }

      }
   }

   public void setSelected(boolean var1) {
      ButtonModel var2 = ((AbstractButton)this).getModel();
      boolean var3 = var2.isSelected();
      if (super.accessibleContext != null && var3 != var1) {
         if (var1) {
            super.accessibleContext.firePropertyChange("AccessibleState", (Object)null, AccessibleState.SELECTED);
         } else {
            super.accessibleContext.firePropertyChange("AccessibleState", AccessibleState.SELECTED, (Object)null);
         }
      }

      if (var1 != var2.isSelected()) {
         ((AbstractButton)this).getModel().setSelected(var1);
      }

   }

   private Point translateToPopupMenu(int var1, int var2) {
      int var3;
      int var4;
      if (((Component)this).getParent() instanceof JPopupMenu) {
         var3 = var1 - ((Component)this).getSize().width;
         var4 = var2;
      } else {
         var3 = var1;
         var4 = var2 - ((Component)this).getSize().height;
      }

      return new Point(var3, var4);
   }

   private Point translateToPopupMenu(Point var1) {
      return this.translateToPopupMenu(var1.x, var1.y);
   }

   private void unregisterMenuItemForAction(JMenuItem var1) {
      if (listenerRegistry != null) {
         ActionChangedListener var2 = (ActionChangedListener)listenerRegistry.remove(var1);
         if (var2 != null) {
            Action var3 = (Action)listenerRegistry.remove(var2);
            if (var3 != null) {
               ((AbstractButton)var1).removeActionListener(var3);
               var3.removePropertyChangeListener(var2);
            }

            var2.setTarget((JMenuItem)null);
         }
      }

   }

   public void updateUI() {
      ((JMenuItem)this).setUI((MenuItemUI)UIManager.getUI(this));
      if (this.popupMenu != null) {
         this.popupMenu.setUI((PopupMenuUI)UIManager.getUI(this.popupMenu));
      }

   }

   private void writeObject(ObjectOutputStream var1) throws IOException {
      var1.defaultWriteObject();
      if (super.ui != null && this.getUIClassID().equals("MenuUI")) {
         super.ui.installUI(this);
      }

   }
}