1 /*
2 * Dictionary port to Java
3 * Copyright (C) 2000 Kaloian Doganov
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19 package net.sourceforge.dictport.ui;
20
21 import java.awt;
22 import java.awt.event;
23 import javax.swing;
24 import javax.swing.event;
25 import net.sourceforge.dictport;
26
27 /**
28 * Similar UI Dialog
29 *
30 * @author Kaloian Doganov <kaloian@europe.com>
31 */
32
33 final class SimilarDialog extends JDialog {
34
35 private JList fListBox;
36 private java.util.List fEntries;
37 private Action fTranslateAction;
38 private boolean fCanceled = true;
39 private String fWord;
40
41 /**
42 * Create Similar Words dialog with entries.
43 *
44 * @param aOwner Dialog owner.
45 * @param aEntries List of Chapter.Entry objects.
46 */
47 SimilarDialog(Frame aOwner, java.util.List aEntries) {
48 super(aOwner, "Similar Words", true);
49 fCanceled = true;
50 fWord = null;
51 fEntries = aEntries;
52 initComponents();
53 pack();
54 setResizable(false);
55 }
56
57 private void initComponents() {
58 setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
59
60 getContentPane().setLayout(new FlowLayout());
61 JPanel root = new JPanel(new BorderLayout());
62 getContentPane().add(root);
63
64 SelectionHandler selectionHandler = new SelectionHandler();
65 fListBox = new JList();
66 fListBox.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
67 fListBox.setModel(new EntryModel(fEntries));
68 fListBox.addListSelectionListener(selectionHandler);
69 fListBox.addMouseListener(selectionHandler);
70 JScrollPane scrollPane = new JScrollPane(fListBox);
71 root.add(scrollPane, "Center");
72
73 JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
74
75 fTranslateAction = new TranslateAction();
76
77 JButton translateButton = new JButton(fTranslateAction);
78 JButton closeButton = new JButton(new CloseAction());
79
80 buttonPanel.add(translateButton);
81 buttonPanel.add(closeButton);
82
83 root.add(buttonPanel, "South");
84
85 getRootPane().setDefaultButton(translateButton);
86 }
87
88 /** Return true if dialog is closed without translation. */
89 public boolean isCanceled() {
90 return fCanceled;
91 }
92
93 /** Get selected word if dialog is not canceled. */
94 public String getWord() {
95 return fWord;
96 }
97
98 /** Center window when showing. */
99 public void show() {
100 Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
101 Rectangle window = this.getBounds();
102 window.x = (screen.width - window.width) / 2;
103 window.y = (screen.height - window.height) / 2;
104 this.setBounds(window);
105 super.show();
106 }
107
108 /** ListModel using Chapter.Entry objects. */
109 private final class EntryModel extends DefaultListModel {
110
111 /**
112 * Create new EntryModel.
113 *
114 * @param aList list of Chapter.Entry objects.
115 */
116 EntryModel(java.util.List aList) {
117 super();
118 java.util.Iterator iterator = aList.iterator();
119 while (iterator.hasNext())
120 addElement(((Chapter.Entry) iterator.next()).getKeyDisplay());
121 }
122 }
123
124 /** Handle list selection events. */
125 private final class SelectionHandler extends MouseAdapter
126 implements ListSelectionListener, MouseListener {
127
128 public void valueChanged(ListSelectionEvent aEvent) {
129 fTranslateAction.setEnabled(fListBox.getSelectedIndex() != -1);
130 }
131
132 public void mouseClicked(MouseEvent aEvent) {
133 // handle double-click on the selection list
134 if (aEvent.getClickCount() == 2) {
135 int index = fListBox.getSelectedIndex();
136 if (index != -1) fTranslateAction.actionPerformed(null);
137 aEvent.consume();
138 }
139 }
140 }
141
142 /** Translate action. */
143 private final class TranslateAction extends AbstractAction {
144 public TranslateAction() {
145 super("Translate");
146 setEnabled(false);
147 }
148
149 public void actionPerformed(ActionEvent aEvent) {
150 ListModel model = fListBox.getModel();
151 fWord = (String) model.getElementAt(fListBox.getSelectedIndex());
152 fCanceled = false;
153 dispose();
154 }
155 }
156
157 /** Close action. */
158 private final class CloseAction extends AbstractAction {
159
160 CloseAction() {
161 super("Close");
162 }
163
164 public void actionPerformed(ActionEvent aEvent) {
165 dispose();
166 }
167 }
168
169 /** Self test method. */
170 public static void main(String[] args) {
171 SimilarDialog dialog = new SimilarDialog(null,
172 new java.util.ArrayList());
173 dialog.show();
174 }
175 }
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