Initial revision

[old-projects.git] / ekit / com / hexidec / ekit / component / ExtendedHTMLEditorKit.java

diff --git a/ekit/com/hexidec/ekit/component/ExtendedHTMLEditorKit.java b/ekit/com/hexidec/ekit/component/ExtendedHTMLEditorKit.java
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+/*
+GNU Lesser General Public License
+
+ExtendedHTMLEditorKit
+Copyright (C) 2001-2002  Frits Jalvingh & Howard Kistler
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+package com.hexidec.ekit.component;
+
+import javax.swing.text.Element;
+import javax.swing.text.StyleConstants;
+import javax.swing.text.View;
+import javax.swing.text.ViewFactory;
+import javax.swing.text.html.HTML;
+import javax.swing.text.html.HTMLEditorKit;
+
+/* WACKY GERMAN CODE */
+import com.hexidec.ekit.component.ExtendedHTMLDocument;
+import javax.swing.text.html.StyleSheet;
+import javax.swing.text.Document;
+
+/**
+  * This class extends HTMLEditorKit so that it can provide other renderer classes
+  * instead of the defaults. Most important is the part which renders relative
+  * image paths.
+  *
+  * @author <a href="mailto:jal@grimor.com">Frits Jalvingh</a>
+  * @version 1.0
+  */
+
+public class ExtendedHTMLEditorKit extends HTMLEditorKit
+{
+       /** Constructor
+         */
+       public ExtendedHTMLEditorKit()
+       {
+       }
+
+       /** Method for returning a ViewFactory which handles the image rendering.
+         */
+       public ViewFactory getViewFactory()
+       {
+               return new HTMLFactoryExtended();
+       }
+
+/* WACKY GERMAN CODE */
+       public Document createDefaultDocument() {
+         StyleSheet styles = getStyleSheet();
+         StyleSheet ss = new StyleSheet();
+         ss.addStyleSheet(styles);
+         ExtendedHTMLDocument doc = new ExtendedHTMLDocument(ss);
+         doc.setParser(getParser());
+         doc.setAsynchronousLoadPriority(4);
+         doc.setTokenThreshold(100);
+         return doc;
+       }
+
+/* Inner Classes --------------------------------------------- */
+
+       /** Class that replaces the default ViewFactory and supports
+         * the proper rendering of both URL-based and local images.
+         */
+       public static class HTMLFactoryExtended extends HTMLFactory implements ViewFactory
+       {
+               /** Constructor
+                 */
+               public HTMLFactoryExtended()
+               {
+               }
+
+               /** Method to handle IMG tags and
+                 * invoke the image loader.
+                 */
+               public View create(Element elem)
+               {
+                       Object obj = elem.getAttributes().getAttribute(StyleConstants.NameAttribute);
+                       if(obj instanceof HTML.Tag)
+                       {
+                               HTML.Tag tagType = (HTML.Tag)obj;
+                               if(tagType == HTML.Tag.IMG)
+                               {
+                                       return new RelativeImageView(elem);
+                               }
+                       }
+                       return super.create(elem);
+               }
+       }
+}