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