com.codename1.ui.html.HTMLImageMap Maven / Gradle / Ivy
/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores
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*/
package com.codename1.ui.html;
import com.codename1.ui.Button;
import com.codename1.ui.events.ActionEvent;
import com.codename1.ui.events.ActionListener;
import com.codename1.ui.geom.Rectangle;
import java.util.Enumeration;
import java.util.Hashtable;
/**
* This class implements HTML Image maps (ones defined with the MAP and AREA tags)
*
* @author Ofir Leitner
*/
class HTMLImageMap extends Button implements ActionListener {
ImageMapData mapData;
HTMLComponent htmlC;
HTMLImageMap(HTMLComponent htmlC) {
this.htmlC=htmlC;
setUIID("HTMLLink");
addActionListener(this);
}
public void actionPerformed(ActionEvent evt) {
if (mapData!=null) {
int x=evt.getX();
int y=evt.getY();
if ((mapData.areas!=null) && (x!=-1)) {
for(Enumeration e=mapData.areas.keys();e.hasMoreElements();) {
Rectangle rect = (Rectangle)e.nextElement();
if (rect.contains(x-getAbsoluteX(), y-getAbsoluteY())) {
String link=(String)mapData.areas.get(rect);
if (link!=null) {
HTMLLink.processLink(htmlC, link);
}
return;
}
}
}
if (mapData.defaultLink!=null) {
HTMLLink.processLink(htmlC, mapData.defaultLink);
}
}
}
}