01: /*
02: * Copyright (C) 2004 TiongHiang Lee
03: *
04: * This library is free software; you can redistribute it and/or
05: * modify it under the terms of the GNU Lesser General Public
06: * License as published by the Free Software Foundation; either
07: * version 2.1 of the License, or (at your option) any later version.
08: *
09: * This library is distributed in the hope that it will be useful,
10: * but WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12: * Lesser General Public License for more details.
13: *
14: * You should have received a copy of the GNU Lesser General Public
15: * License along with this library; if not, write to the Free Software
16: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17: *
18: * Email: thlee@onemindsoft.org
19: */
20:
21: package org.onemind.swingweb.client.awt.ui;
22:
23: import java.awt.AWTEvent;
24: import java.awt.Checkbox;
25: import java.awt.event.ItemEvent;
26: import java.awt.event.ItemListener;
27: import org.onemind.swingweb.client.core.AbstractClient;
28: import org.onemind.swingweb.client.dom.DomNode;
29:
30: public class CheckboxUIHandler extends ComponentUIHandler implements
31: ItemListener {
32:
33: public CheckboxUIHandler(AbstractClient client) {
34: super (client);
35: }
36:
37: public Object createComponentInstance(Object parent, DomNode element) {
38: Checkbox chkbox = new Checkbox();
39: return chkbox;
40: }
41:
42: public Object updateUI(Object com, DomNode element) {
43: Checkbox chkbox = (Checkbox) com;
44: String label = (String) element.getAttribute("label");
45: chkbox.setLabel(label);
46: String state = element.getAttribute("state");
47: if (state.equalsIgnoreCase("true")) {
48: chkbox.setState(true);
49: } else {
50: chkbox.setState(false);
51: }
52: return com;
53: }
54:
55: /**
56: * {@inheritDoc}
57: */
58: protected void registerListeners(Object com) {
59: // TODO Auto-generated method stub
60: super .registerListeners(com);
61: ((Checkbox) com).addItemListener(this );
62: }
63:
64: public void itemStateChanged(ItemEvent e) {
65: handleEvent(e);
66: }
67:
68: public void handleEvent(AWTEvent e) {
69: Checkbox cb = (Checkbox) e.getSource();
70: postEvent(e.getSource(), "true", false); //has event
71: postEvent(e.getSource(), "-value", String
72: .valueOf(cb.getState()), true);
73: }
74: }
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