diff -r 070fc5844295 -r 590958fcb7d7 javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/api/Element.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/api/Element.java Fri Nov 09 11:47:00 2012 +0100 @@ -0,0 +1,65 @@ +/** + * Back 2 Browser Bytecode Translator + * Copyright (C) 2012 Jaroslav Tulach + * + * 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.api; + +import org.apidesign.bck2brwsr.core.JavaScriptBody; + +/** Represents a generic HTML element. + * + * @author Jaroslav Tulach + */ +public abstract class Element { + private final String id; + + public Element(String id) { + this.id = id; + } + + abstract void dontSubclass(); + + @JavaScriptBody( + args={"el", "property", "value"}, + body="var e = window.document.getElementById(el.fld_id);\n" + + "e[property] = value;\n" + ) + static void setAttribute(Element el, String property, Object value) { + throw new UnsupportedOperationException("Needs JavaScript!"); + } + + @JavaScriptBody( + args={"el", "property"}, + body="var e = window.document.getElementById(el.fld_id);\n" + + "return e[property];\n" + ) + static Object getAttribute(Element el, String property) { + throw new UnsupportedOperationException("Needs JavaScript!"); + } + + /** Executes given runnable when user performs a "click" on the given + * element. + * @param r the runnable to execute, never null + */ + @JavaScriptBody( + args={"el", "r"}, + body="var e = window.document.getElementById(el.fld_id);\n" + + "e.onclick = function() { r.runV(); };\n" + ) + public final void addOnClick(Runnable r) { + throw new UnsupportedOperationException("Needs JavaScript!"); + } +}