KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > com > mullassery > act > gui > components > TComboBox


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  * Copyright (c) 2000-2002 The Apache Software Foundation. All rights
5  * reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  *
14  * 2. Redistributions in binary form must reproduce the above copyright
15  * notice, this list of conditions and the following disclaimer in
16  * the documentation and/or other materials provided with the
17  * distribution.
18  *
19  * 3. The end-user documentation included with the redistribution, if
20  * any, must include the following acknowlegement:
21  * "This product includes software developed by the
22  * Apache Software Foundation (http://www.apache.org/)."
23  * Alternately, this acknowlegement may appear in the software itself,
24  * if and wherever such third-party acknowlegements normally appear.
25  *
26  * 4. The names "The Jakarta Project", "Ant", and "Apache Software
27  * Foundation" must not be used to endorse or promote products derived
28  * from this software without prior written permission. For written
29  * permission, please contact apache@apache.org.
30  *
31  * 5. Products derived from this software may not be called "Apache"
32  * nor may "Apache" appear in their names without prior written
33  * permission of the Apache Group.
34  *
35  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
36  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
37  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
38  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
39  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
42  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46  * SUCH DAMAGE.
47  * ====================================================================
48  *
49  * This software consists of voluntary contributions made by many
50  * individuals on behalf of the Apache Software Foundation. For more
51  * information on the Apache Software Foundation, please see
52  * <http://www.apache.org/>.
53  */

54
55 package com.mullassery.act.gui.components;
56
57 import java.awt.BorderLayout JavaDoc;
58 import java.awt.event.ActionListener JavaDoc;
59 import java.awt.event.ItemListener JavaDoc;
60 import java.util.Arrays JavaDoc;
61 import java.util.HashMap JavaDoc;
62 import javax.swing.DefaultComboBoxModel JavaDoc;
63 import javax.swing.JButton JavaDoc;
64 import javax.swing.JComboBox JavaDoc;
65 import javax.swing.JPanel JavaDoc;
66
67 import com.mullassery.act.gui.TextData;
68
69 /**
70  *
71  * @author Abey Mullassery
72  *
73  */

74 public class TComboBox extends JPanel JavaDoc implements TextData {
75     private HashMap JavaDoc elements;
76     JComboBox JavaDoc jcb;
77     JButton JavaDoc ok;
78
79     /** Creates a new instance of TComboBox */
80     public TComboBox(HashMap JavaDoc elements) {
81         this(elements, "Select");
82     }
83
84     public TComboBox(HashMap JavaDoc elements, String JavaDoc buttonText) {
85         this.elements = elements;
86         this.setLayout(new BorderLayout JavaDoc());
87
88         DefaultComboBoxModel JavaDoc dcm = new DefaultComboBoxModel JavaDoc(getList());
89         jcb = new JComboBox JavaDoc();
90         jcb.setModel(dcm);
91         ok = new JButton JavaDoc(buttonText);
92
93         this.add(jcb, BorderLayout.CENTER);
94         this.add(ok, BorderLayout.EAST);
95     }
96
97     public void addActionListener(ActionListener JavaDoc il) {
98         ok.addActionListener(il);
99     }
100
101     public void addItemListener(ItemListener JavaDoc il) {
102         jcb.addItemListener(il);
103     }
104
105     public Object JavaDoc getItemValue(Object JavaDoc key) {
106         return elements.get(key);
107     }
108
109     private Object JavaDoc[] getList() {
110         Object JavaDoc[] keys = elements.keySet().toArray();
111         Arrays.sort(keys, String.CASE_INSENSITIVE_ORDER);
112         return keys;
113     }
114
115     public String JavaDoc getText() {
116         return "" + jcb.getSelectedItem();
117     }
118
119     public void setText(String JavaDoc value) {
120         jcb.setSelectedItem(value);
121     }
122 }
123
Popular Tags