Refactored browser classes so that there is now a base class and reader writer.

examples/osgbrowser/ReaderWriterUBrowser.cpp

@@ -0,0 +1,49 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2008 Robert Osfield 
+ *
+ * This library is open source and may be redistributed and/or modified under  
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ * 
+ * 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 
+ * OpenSceneGraph Public License for more details.
+*/
+
+#include <osgDB/ReaderWriter>
+#include <osgDB/FileNameUtils>
+#include <osgDB/Registry>
+
+#include "UBrowser.h"
+
+class ReaderWriterUBrowser : public osgDB::ReaderWriter
+{
+    public:
+    
+        ReaderWriterUBrowser()
+        {        
+             supportsExtension("browser","browser image");
+
+             osgWidget::BrowserManager::instance() = new UBrowserManager;
+        }
+    
+        virtual const char* className() const { return "Browser Reader/Writer"; }
+        
+        virtual ReadResult readObject(const std::string& file, const osgDB::ReaderWriter::Options* options =NULL) const
+        {
+            return readImage(file, options);
+        }
+
+        virtual ReadResult readImage(const std::string& file, const osgDB::ReaderWriter::Options* options) const
+        {
+            std::string ext = osgDB::getLowerCaseFileExtension(file);
+            if (!acceptsExtension(ext)) return ReadResult::FILE_NOT_HANDLED;
+
+            return osgWidget::BrowserManager::instance()->createBrowserImage(osgDB::getNameLessExtension(file));
+        }
+};
+
+// now register with Registry to instantiate the above
+// reader/writer.
+REGISTER_OSGPLUGIN(ubrowser, ReaderWriterUBrowser)