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.Choice;
25: import java.awt.event.ItemEvent;
26: import java.awt.event.ItemListener;
27: import java.util.List;
28: import org.onemind.swingweb.client.core.AbstractClient;
29: import org.onemind.swingweb.client.dom.DomNode;
30:
31: public class ChoiceUIHandler extends ComponentUIHandler implements
32: ItemListener {
33:
34: public ChoiceUIHandler(AbstractClient client) {
35: super (client);
36: // TODO Auto-generated constructor stub
37: }
38:
39: public Object createComponentInstance(Object parent, DomNode element) {
40: Choice choice = new Choice();
41: return choice;
42: }
43:
44: protected void populateItems(Choice choice, DomNode element) {
45: choice.removeAll();
46: List nodes = element.getChildNodes();
47: int count = 0;
48: for (int i = 0; i < nodes.size(); i++) {
49: DomNode childNode = (DomNode) nodes.get(i);
50: if ("item".equals(childNode.getName())) {
51: String value = childNode.getAttribute("value");
52: String selected = childNode.getAttribute("selected");
53: choice.add(value);
54: if (Boolean.valueOf(selected).booleanValue()) {
55: choice.select(count);
56: }
57: count++;
58: }
59: }
60: }
61:
62: public Object updateUI(Object com, DomNode element) {
63: Choice choice = (Choice) com;
64: populateItems(choice, element);
65: return com;
66: }
67:
68: /**
69: * {@inheritDoc}
70: */
71: protected void registerListeners(Object com) {
72: super .registerListeners(com);
73: ((Choice) com).addItemListener(this );
74: }
75:
76: public void itemStateChanged(ItemEvent e) {
77: handleEvent(e);
78: }
79:
80: public void handleEvent(AWTEvent e) {
81: if (e instanceof ItemEvent) {
82: Choice c = (Choice) e.getSource();
83: ItemEvent itemEvent = (ItemEvent) e;
84: Object clicked = itemEvent.getItem();
85: int index = 0;
86: for (int i = 0; i < c.getItemCount(); i++) {
87: if (c.getItem(i) == clicked) {
88: index = i;
89: break;
90: }
91: }
92: postEvent(c, String.valueOf(index), true);
93: }
94: }
95: }
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