PC Plus SuperCD (UK) 2000 March/pcp161a.iso/handson/files/copyjava.exe/com/sun/java/swing/JEditorPane.class

Java Class File | 1998-02-26 | 6.0 KB | 225 lines

package com.sun.java.swing;

import com.sun.java.accessibility.AccessibleContext;
import com.sun.java.swing.event.HyperlinkEvent;
import com.sun.java.swing.event.HyperlinkListener;
import com.sun.java.swing.text.BadLocationException;
import com.sun.java.swing.text.DefaultEditorKit;
import com.sun.java.swing.text.Document;
import com.sun.java.swing.text.EditorKit;
import com.sun.java.swing.text.JTextComponent;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
import java.util.Hashtable;

public class JEditorPane extends JTextComponent {
   private EditorKit kit;
   private Hashtable typeHandlers;
   private static final Object kitRegistryKey = new StringBuffer("JEditorPane.kitRegistry");
   private static final Object kitTypeRegistryKey = new StringBuffer("JEditorPane.kitTypeRegistry");
   // $FF: synthetic field
   static Class class$com$sun$java$swing$event$HyperlinkListener;

   public JEditorPane() {
      registerEditorKitForContentType("text/plain", "com.sun.java.swing.text.DefaultEditorKit");
      registerEditorKitForContentType("text/html", "com.sun.java.swing.text.html.HTMLEditorKit");
      registerEditorKitForContentType("text/rtf", "com.sun.java.swing.text.rtf.RTFEditorKit");
      registerEditorKitForContentType("application/rtf", "com.sun.java.swing.text.rtf.RTFEditorKit");
   }

   public JEditorPane(URL var1) throws IOException {
      this();
      this.setPage(var1);
   }

   public JEditorPane(String var1) throws IOException {
      this();
      this.setPage(var1);
   }

   public synchronized void addHyperlinkListener(HyperlinkListener var1) {
      super.listenerList.add(class$com$sun$java$swing$event$HyperlinkListener != null ? class$com$sun$java$swing$event$HyperlinkListener : (class$com$sun$java$swing$event$HyperlinkListener = JComponent.class$("com.sun.java.swing.event.HyperlinkListener")), var1);
   }

   public synchronized void removeHyperlinkListener(HyperlinkListener var1) {
      super.listenerList.remove(class$com$sun$java$swing$event$HyperlinkListener != null ? class$com$sun$java$swing$event$HyperlinkListener : (class$com$sun$java$swing$event$HyperlinkListener = JComponent.class$("com.sun.java.swing.event.HyperlinkListener")), var1);
   }

   public void fireHyperlinkUpdate(HyperlinkEvent var1) {
      Object[] var2 = super.listenerList.getListenerList();

      for(int var3 = var2.length - 2; var3 >= 0; var3 -= 2) {
         if (var2[var3] == (class$com$sun$java$swing$event$HyperlinkListener != null ? class$com$sun$java$swing$event$HyperlinkListener : (class$com$sun$java$swing$event$HyperlinkListener = JComponent.class$("com.sun.java.swing.event.HyperlinkListener")))) {
            ((HyperlinkListener)var2[var3 + 1]).hyperlinkUpdate(var1);
         }
      }

   }

   public void setPage(URL var1) throws IOException {
      if (var1 == null) {
         throw new IOException("invalid url");
      } else {
         InputStream var2 = var1.openStream();
         URLConnection var3 = var1.openConnection();
         String var4 = var3.getContentType();
         this.setContentType(var4);
         if (this.kit != null) {
            Document var5 = this.kit.createDefaultDocument();
            var5.putProperty("stream", var1);

            try {
               this.kit.read(var2, var5, 0);
               ((JTextComponent)this).setDocument(var5);
            } catch (BadLocationException var7) {
               throw new IOException(((Throwable)var7).getMessage());
            }
         }
      }
   }

   public URL getPage() {
      return (URL)((JTextComponent)this).getDocument().getProperty("stream");
   }

   public void setPage(String var1) throws IOException {
      if (var1 == null) {
         throw new IOException("invalid url");
      } else {
         URL var2 = new URL(var1);
         this.setPage(var2);
      }
   }

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

   protected EditorKit createDefaultEditorKit() {
      return new DefaultEditorKit();
   }

   public final EditorKit getEditorKit() {
      if (this.kit == null) {
         this.kit = this.createDefaultEditorKit();
      }

      return this.kit;
   }

   public final String getContentType() {
      return this.kit != null ? this.kit.getContentType() : null;
   }

   public final void setContentType(String var1) {
      if (this.kit == null || !var1.equals(this.kit.getContentType())) {
         EditorKit var2 = this.getEditorKitForContentType(var1);
         if (var2 != null) {
            this.setEditorKit(var2);
         }
      }

   }

   public void setEditorKit(EditorKit var1) {
      EditorKit var2 = this.kit;
      if (var2 != null) {
         var2.deinstall(this);
      }

      this.kit = var1;
      if (this.kit != null) {
         this.kit.install(this);
         ((JTextComponent)this).setDocument(this.kit.createDefaultDocument());
      }

      ((JComponent)this).firePropertyChange("editorKit", var2, var1);
   }

   public EditorKit getEditorKitForContentType(String var1) {
      if (this.typeHandlers == null) {
         this.typeHandlers = new Hashtable(3);
      }

      Object var2 = (EditorKit)this.typeHandlers.get(var1);
      if (var2 == null) {
         var2 = createEditorKitForContentType(var1);
         if (var2 != null) {
            this.setEditorKitForContentType(var1, (EditorKit)var2);
         }
      }

      if (var2 == null) {
         var2 = new DefaultEditorKit();
      }

      return (EditorKit)var2;
   }

   public void setEditorKitForContentType(String var1, EditorKit var2) {
      if (this.typeHandlers == null) {
         this.typeHandlers = new Hashtable(3);
      }

      this.typeHandlers.put(var1, var2);
   }

   public static EditorKit createEditorKitForContentType(String var0) {
      EditorKit var1 = null;
      Hashtable var2 = (Hashtable)SwingUtilities.appContextGet(kitRegistryKey);
      if (var2 == null) {
         var2 = new Hashtable();
         SwingUtilities.appContextPut(kitRegistryKey, var2);
      } else {
         var1 = (EditorKit)var2.get(var0);
      }

      if (var1 == null) {
         String var3 = (String)getKitTypeRegistry().get(var0);

         try {
            Class var4 = Class.forName(var3);
            var1 = (EditorKit)var4.newInstance();
            var2.put(var0, var1);
         } catch (Throwable var5) {
            var5.printStackTrace();
            var1 = null;
         }
      }

      return var1 != null ? (EditorKit)var1.clone() : null;
   }

   public static void registerEditorKitForContentType(String var0, String var1) {
      getKitTypeRegistry().put(var0, var1);
   }

   public boolean isManagingFocus() {
      return true;
   }

   public boolean getScrollableTracksViewportWidth() {
      return true;
   }

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

      return super.accessibleContext;
   }

   private static Hashtable getKitTypeRegistry() {
      Hashtable var0 = (Hashtable)SwingUtilities.appContextGet(kitTypeRegistryKey);
      if (var0 == null) {
         var0 = new Hashtable();
         SwingUtilities.appContextPut(kitTypeRegistryKey, var0);
      }

      return var0;
   }
}