1 /*
2 * $Id$
3 *
4 * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
5 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 *
7 * This code is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 only, as
9 * published by the Free Software Foundation. Oracle designates this
10 * particular file as subject to the "Classpath" exception as provided
11 * by Oracle in the LICENSE file that accompanied this code.
12 *
13 * This code is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 * version 2 for more details (a copy is included in the LICENSE file that
17 * accompanied this code).
18 *
19 * You should have received a copy of the GNU General Public License version
20 * 2 along with this work; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
22 *
23 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
24 * or visit www.oracle.com if you need additional information or have any
25 * questions.
26 */
27 package com.sun.interview.wizard;
28
29 import java.awt.event.ActionEvent;
30 import java.awt.event.ActionListener;
31 import javax.swing.JComponent;
32 import javax.swing.JLabel;
33 import javax.swing.JPanel;
34 import java.awt.Dimension;
35
36 import com.sun.interview.ChoiceQuestion;
37 import com.sun.interview.Question;
38 import java.awt.BorderLayout;
39 import java.awt.Component;
40 import java.awt.Toolkit;
41 import javax.swing.AbstractCellEditor;
42 import javax.swing.ButtonGroup;
43 import javax.swing.CellEditor;
44 import javax.swing.JRadioButton;
45 import javax.swing.JScrollPane;
46 import javax.swing.JTable;
47 import javax.swing.table.AbstractTableModel;
48 import javax.swing.table.TableCellEditor;
49 import javax.swing.table.TableCellRenderer;
50 import javax.swing.table.TableColumn;
51 import javax.swing.table.TableModel;
52
53 public class ChoiceQuestionRenderer
54 implements QuestionRenderer
55 {
56
57 public JComponent getQuestionRendererComponent(Question qq, ActionListener listener) {
58 q = (ChoiceQuestion)qq;
59 displayChoices = q.getDisplayChoices();
60 values = q.getChoices();
61 starts_from = values[0] == null ? 1 : 0;
62 editedListener = listener;
63
64 return createChoiceTable();
65 }
66
67 public String getInvalidValueMessage(Question q) {
68 return null;
69 }
70
71
72 protected JComponent createChoiceTable() {
73
74 TableModel tm = createTableModel();
75 final JTable tbl = new JTable(tm);
76 tbl.setOpaque(false);
77
78
79 rb = new JRadioButton[displayChoices.length - starts_from];
80 ButtonGroup bg = new ButtonGroup();
81
82 String v = q.getValue();
83 for(int i = 0; i < rb.length; i++) {
84
85 rb[i] = new JRadioButton(displayChoices[i + starts_from],
86 (values[i + starts_from] == v));
87 rb[i].setActionCommand(values[i + starts_from]);
88
89 rb[i].setName("chc.btn." + values[i + starts_from]);
90 if (i < 10)
91 rb[i].setMnemonic('0' + i);
92
93 rb[i].setToolTipText(i18n.getString("chc.btn.tip"));
94 rb[i].getAccessibleContext().setAccessibleName(rb[i].getName());
95 rb[i].getAccessibleContext().setAccessibleDescription(rb[i].getToolTipText());
96
97 rb[i].setBackground(tbl.getBackground());
98 rb[i].setOpaque(false);
99
100 rb[i].setFocusPainted(false);
101 bg.add(rb[i]);
102
103 rb[i].addActionListener(new ActionListener() {
104 public void actionPerformed(ActionEvent e) {
105 CellEditor editor = tbl.getCellEditor();
106 if (editor != null) {
107 editor.stopCellEditing();
108 }
109 }
110 });
111 }
112
113 tbl.setPreferredScrollableViewportSize(new Dimension(DOTS_PER_INCH, DOTS_PER_INCH));
114 tbl.setShowHorizontalLines(false);
115 tbl.setShowVerticalLines(false);
116 tbl.setTableHeader(null);
117
118 tbl.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
119 tbl.setRowSelectionAllowed(false);
120 tbl.setColumnSelectionAllowed(false);
121 tbl.setToolTipText(i18n.getString("chcArr.tbl.tip"));
122
123 TableColumn col0 = tbl.getColumnModel().getColumn(0);
124 TableCellRenderer r = createCellRenderer();
125 col0.setCellRenderer(r);
126 TableCellEditor e = createCellEditor();
127 col0.setCellEditor(e);
128
129 col0.setPreferredWidth(getColumnWidth(tbl, 0) + 20);
130
131 final JScrollPane sp = new JScrollPane(tbl);
132 sp.setName("chcArr.sp");
133 sp.getViewport().setBackground(tbl.getBackground());
134
135 JLabel lbl = new JLabel(i18n.getString("chcArr.tbl.lbl"));
136 lbl.setName("chcArr.tbl.lbl");
137 lbl.setDisplayedMnemonic(i18n.getString("chcArr.tbl.mne").charAt(0));
138 lbl.setToolTipText(i18n.getString("chcArr.tbl.tip"));
139 lbl.setLabelFor(sp);
140
141 tbl.setRowHeight(getRowHeight());
142
143 JPanel result = new JPanel(new BorderLayout());
144 result.add(lbl, BorderLayout.NORTH);
145 result.add(sp, BorderLayout.CENTER);
146
147 return result;
148 }
149
150
151 protected int getColumnWidth(JTable table, int colIndex) {
152 int width = -1;
153
154 TableModel model = table.getModel();
155 int rowCount = model.getRowCount();
156
157 for(int i = 0; i < rowCount; i++) {
158 TableCellRenderer r = table.getCellRenderer(i, colIndex);
159 Component c = r.getTableCellRendererComponent(table,
160 model.getValueAt(i, colIndex),
161 false, false, i, colIndex);
162 width = Math.max(width, c.getPreferredSize().width);
163 }
164
165 return width;
166 }
167
168 protected int getRowHeight() {
169 return 22;
170 }
171
172 protected static final int DOTS_PER_INCH = Toolkit.getDefaultToolkit().getScreenResolution();
173
174 protected void fireEditedEvent(Object src, ActionListener l) {
175 ActionEvent e = new ActionEvent(src,
176 ActionEvent.ACTION_PERFORMED,
177 EDITED);
178 l.actionPerformed(e);
179 }
180
181
182 protected TableModel createTableModel() {
183 return new TestTableModel();
184 }
185
186 protected class TestTableModel extends AbstractTableModel {
187
188 public Class<?> getColumnClass(int c) {
189 return String.class;
190 }
191
192 public int getColumnCount() {
193 return 1;
194 }
195
196 public int getRowCount() {
197 return displayChoices.length - starts_from;
198 }
199
200 public Object getValueAt(int r, int c) {
201 return values[r + starts_from];
202 }
203
204 public void setValueAt(Object o, int r, int c) {
205 if (c == 0) {
206 q.setValue(values[r + starts_from]);
207 fireEditedEvent(this, editedListener);
208 }
209 }
210
211 public boolean isCellEditable(int r, int c) {
212 return true;
213 }
214
215 };
216
217 protected TableCellRenderer createCellRenderer() {
218 return new TestTableRenderer();
219 }
220
221 protected class TestTableRenderer implements TableCellRenderer {
222
223 public Component getTableCellRendererComponent(JTable table, Object value,
224 boolean isSelected, boolean hasFocus, int row, int column) {
225
226 return rb[row];
227 }
228 };
229
230 protected TableCellEditor createCellEditor() {
231 return new TestTableEditor();
232 }
233
234 protected class TestTableEditor extends AbstractCellEditor
235 implements TableCellEditor {
236 public Object getCellEditorValue() {
237 return null;
238 }
239 public Component getTableCellEditorComponent(JTable table, Object value,
240 boolean isSelected, int row, int column) {
241
242 rb[row].setSelected(true);
243 return rb[row];
244 }
245 };
246
247
248 protected ChoiceQuestion q;
249 protected String[] displayChoices;
250 protected String[] values;
251 protected int starts_from;
252 protected ActionListener editedListener;
253 protected JRadioButton[] rb;
254
255 private static final I18NResourceBundle i18n = I18NResourceBundle.getDefaultBundle();
256
257 }