libjava/javax/swing/JEditorPane.java

   1 /* JEditorPane.java --
   2    Copyright (C) 2002 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38
  39 package javax.swing;
  40
  41 import java.awt.Dimension;
  42 import java.awt.event.KeyEvent;
  43 import java.io.InputStream;
  44 import java.net.URL;
  45 import javax.accessibility.AccessibleContext;
  46 import javax.swing.text.EditorKit;
  47 import javax.swing.text.JTextComponent;
  48 import javax.swing.text.PlainEditorKit;
  49 import javax.swing.event.HyperlinkEvent;
  50 import javax.swing.event.HyperlinkListener;
  51
  52 public class JEditorPane extends JTextComponent
  53 {
  54     URL page_url;
  55     EditorKit kit;
  56     String ctype = "text/plain";
  57     boolean focus_root;
  58     boolean manages_focus;
  59
  60
  61     public JEditorPane()
  62     {
  63     }
  64
  65     public JEditorPane(String url)
  66     {
  67         this();
  68         setPage(url);
  69     }
  70
  71     public JEditorPane(String type, String text)
  72     {
  73         ctype = text;
  74         setText(text);
  75     }
  76
  77     public JEditorPane(URL url)
  78     {
  79         setPage(url);
  80     }
  81
  82     void addHyperlinkListener(HyperlinkListener listener)
  83     {  }
  84
  85     protected  EditorKit createDefaultEditorKit()
  86     {   return new PlainEditorKit();    }
  87
  88     static EditorKit createEditorKitForContentType(String type)
  89     {   return new PlainEditorKit();     }
  90
  91   void fireHyperlinkUpdate(HyperlinkEvent e)
  92   {
  93   }
  94
  95   public AccessibleContext getAccessibleContext()
  96   {      return null;  }
  97
  98   String getContentType()
  99     {  return ctype;   }
 100
 101   EditorKit getEditorKit()
 102     {  return kit;    }
 103
 104   static String getEditorKitClassNameForContentType(String type)
 105     { return "text/plain";  }
 106
 107   EditorKit getEditorKitForContentType(String type)
 108     { return kit;  }
 109
 110     public Dimension getPreferredSize()
 111     {
 112         //Returns the preferred size for the JEditorPane.
 113         return super.getPreferredSize();
 114     }
 115
 116   public boolean getScrollableTracksViewportHeight()
 117     {  return false;  }
 118   public boolean getScrollableTracksViewportWidth()
 119     {  return false;  }
 120
 121   URL getPage()
 122     { return page_url;  }
 123
 124   protected  InputStream getStream(URL page)
 125     {
 126         try {
 127             return page.openStream();
 128         } catch (Exception e) {
 129             System.out.println("Hhmmm, failed to open stream: " + e);
 130         }
 131         return null;
 132     }
 133
 134     public String getText()
 135     { return super.getText();    }
 136
 137     public String getUIClassID()
 138     {    return "JEditorPane";  }
 139
 140     public boolean isFocusCycleRoot()
 141     { return focus_root;    }
 142
 143     public boolean isManagingFocus()
 144     { return manages_focus;  }
 145
 146   protected  String paramString()
 147     { return "JEditorPane";  }
 148
 149   protected  void processComponentKeyEvent(KeyEvent e)
 150     {
 151         //Overridden to handle processing of tab/shift tab.
 152     }
 153
 154   protected void processKeyEvent(KeyEvent e)
 155     {
 156         //Make sure that TAB and Shift-TAB events get consumed, so that awt doesn't attempt focus traversal.
 157     }
 158
 159     void read(InputStream in, Object desc)
 160     {
 161         //This method initializes from a stream.
 162     }
 163
 164     static void registerEditorKitForContentType(String type, String classname)
 165     {
 166         //Establishes the default bindings of type to classname.
 167     }
 168
 169     static void registerEditorKitForContentType(String type, String classname, ClassLoader loader)
 170     {
 171         //Establishes the default bindings of type to classname.
 172     }
 173
 174     void removeHyperlinkListener(HyperlinkListener listener)
 175     {
 176         //Removes a hyperlink listener.
 177     }
 178
 179     void replaceSelection(String content)
 180     {
 181         //Replaces the currently selected content with new content represented by the given string.
 182     }
 183
 184     protected  void scrollToReference(String reference)
 185     {
 186         //Scrolls the view to the given reference location (that is, the value returned by the UL.getRef method for the URL being displayed).
 187     }
 188
 189     void setContentType(String type)
 190     {
 191         ctype = type;
 192         invalidate();
 193         repaint();
 194     }
 195
 196     void setEditorKit(EditorKit kit)
 197     {
 198         this.kit = kit;
 199         invalidate();
 200         repaint();
 201     }
 202
 203     void setEditorKitForContentType(String type, EditorKit k)
 204     {
 205         ctype = type;
 206         setEditorKit(k);
 207     }
 208
 209   void setPage(String url)
 210     {
 211         //  Sets the current URL being displayed.
 212     }
 213
 214     void setPage(URL page)
 215     {
 216         //    Sets the current URL being displayed.
 217     }
 218
 219     public void setText(String t)
 220     {
 221         super.setText(t);
 222     }
 223 } // class JEditorPane