jaroslav@26: /**
jaroslav@106:  * Back 2 Browser Bytecode Translator
jaroslav@106:  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jaroslav@26:  *
jaroslav@26:  * This program is free software: you can redistribute it and/or modify
jaroslav@26:  * it under the terms of the GNU General Public License as published by
jaroslav@26:  * the Free Software Foundation, version 2 of the License.
jaroslav@26:  *
jaroslav@26:  * This program is distributed in the hope that it will be useful,
jaroslav@26:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
jaroslav@26:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jaroslav@26:  * GNU General Public License for more details.
jaroslav@26:  *
jaroslav@26:  * You should have received a copy of the GNU General Public License
jaroslav@26:  * along with this program. Look for COPYING file in the top folder.
jaroslav@26:  * If not, see http://opensource.org/licenses/GPL-2.0.
jaroslav@26:  */
jaroslav@26: package org.apidesign.bck2brwsr.htmlpage.api;
jaroslav@26: 
jaroslav@100: import org.apidesign.bck2brwsr.core.JavaScriptBody;
jaroslav@100: 
jaroslav@26: /** Represents a generic HTML element.
jaroslav@26:  *
jaroslav@26:  * @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@26:  */
jaroslav@26: public abstract class Element {
jaroslav@26:     private final String id;
jaroslav@26:     
jaroslav@26:     public Element(String id) {
jaroslav@26:         this.id = id;
jaroslav@26:     }
jaroslav@26:     
jaroslav@26:     abstract void dontSubclass();
jaroslav@27:     
jaroslav@100:     @JavaScriptBody(
jaroslav@100:         args={"el", "property", "value"},
jaroslav@139:         body="var e = window.document.getElementById(el.fld_id);\n"
jaroslav@100:            + "e[property] = value;\n"
jaroslav@100:     )
jaroslav@27:     static void setAttribute(Element el, String property, Object value) {
jaroslav@27:         throw new UnsupportedOperationException("Needs JavaScript!");
jaroslav@27:     }
jaroslav@100: 
jaroslav@100:     @JavaScriptBody(
jaroslav@100:         args={"el", "property"},
jaroslav@139:         body="var e = window.document.getElementById(el.fld_id);\n"
jaroslav@100:            + "return e[property];\n"
jaroslav@100:     )
jaroslav@100:     static Object getAttribute(Element el, String property) {
jaroslav@100:         throw new UnsupportedOperationException("Needs JavaScript!");
jaroslav@100:     }
jaroslav@28:     
jaroslav@28:     /** Executes given runnable when user performs a "click" on the given
jaroslav@28:      * element.
jaroslav@28:      * @param r the runnable to execute, never null
jaroslav@28:      */
jaroslav@100:     @JavaScriptBody(
jaroslav@100:         args={"el", "r"},
jaroslav@139:         body="var e = window.document.getElementById(el.fld_id);\n"
jaroslav@100:            + "e.onclick = function() { r.runV(); };\n"
jaroslav@100:     )
jaroslav@28:     public final void addOnClick(Runnable r) {
jaroslav@28:         throw new UnsupportedOperationException("Needs JavaScript!");
jaroslav@28:     }
jaroslav@26: }