/**

  * Back 2 Browser Bytecode Translator

  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

  *

  * This program is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, version 2 of the License.

  *

  * This program 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 General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program. Look for COPYING file in the top folder.

  * If not, see http://opensource.org/licenses/GPL-2.0.

  */

 package org.apidesign.bck2brwsr.htmlpage;

 import java.io.IOException;

 import java.io.Writer;

 import java.util.HashMap;

 import java.util.Map;

 /**

  *

  * @author Jan Horvath <jhorvath@netbeans.org>

  */

 public class PredefinedFields {

     private static final Map<String, String> IMPORTS = new HashMap<String, String>() {

         {

             put("canvas", "import org.apidesign.bck2brwsr.core.JavaScriptBody;");

         }

     };

     private static final Map<String, String> FIELDS = new HashMap<String, String>() {

         {

             put("canvas", 

                     "    @JavaScriptBody(\n" +

                     "            args = {\"el\"},\n" +

                     "            body = \"var e = window.document.getElementById(el._id());\\n\"\n" +

                     "            + \"return e.getContext('2d');\\n\")\n" +

                     "    private native static Object getContextImpl(Canvas el);\n" +

                     "    \n" +

                     "    public GraphicsContext getContext() {\n" +

                     "        return new GraphicsContext(getContextImpl(this));\n" +

                     "    }");

         }

     };

     static void appendImports(Writer w, String tag) throws IOException {

         String text = IMPORTS.get(tag.toLowerCase());

         if (text != null) {

             w.append(text).append("\n");

         }

     }

     static void appendFields(Writer w, String tag) throws IOException {

         String text = FIELDS.get(tag.toLowerCase());

         if (text != null) {

             w.append(text).append("\n");

         }

     }

 }