/
MainPanel.java
275 lines (252 loc) · 9 KB
/
MainPanel.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
// -*- mode:java; encoding:utf-8 -*-
// vim:set fileencoding=utf-8:
// @homepage@
package example;
import java.awt.*;
import java.util.List;
import java.util.Objects;
import java.util.Random;
import java.util.Set;
import java.util.TreeSet;
import java.util.concurrent.ExecutionException;
import javax.swing.*;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumn;
import javax.swing.table.TableModel;
import javax.swing.table.TableRowSorter;
public final class MainPanel extends JPanel {
private final String[] columnNames = {"No.", "Name", "Progress", ""};
private final DefaultTableModel model = new DefaultTableModel(columnNames, 0);
private final JTable table = new JTable(model) {
@Override public void updateUI() {
super.updateUI();
removeColumn(getColumnModel().getColumn(3));
JProgressBar progress = new JProgressBar();
TableCellRenderer renderer = new DefaultTableCellRenderer();
TableColumn tc = getColumnModel().getColumn(2);
tc.setCellRenderer((tbl, value, isSelected, hasFocus, row, column) -> {
String text;
if (value instanceof Integer) {
text = "Done(0ms)";
int i = (int) value;
if (i < 0) {
text = "Canceled";
} else if (i < progress.getMaximum()) { // < 100
progress.setValue(i);
progress.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));
return progress;
}
} else {
text = Objects.toString(value);
}
return renderer.getTableCellRendererComponent(
tbl, text, isSelected, hasFocus, row, column);
});
}
};
// TEST: ThreadPoolExecutor executor = (ThreadPoolExecutor) Executors.newCachedThreadPool();
// TEST: Executor executor = Executors.newFixedThreadPool(2);
private final Set<Integer> deletedRowSet = new TreeSet<>();
// Map<Integer, SwingWorker<Integer, Integer>> workerMap = new ConcurrentHashMap<>();
private int number;
private MainPanel() {
super(new BorderLayout());
table.setRowSorter(new TableRowSorter<>(model));
addProgressValue("Name 1", 100, null);
JScrollPane scrollPane = new JScrollPane(table);
scrollPane.getViewport().setBackground(Color.WHITE);
table.setComponentPopupMenu(new TablePopupMenu());
table.setFillsViewportHeight(true);
table.setIntercellSpacing(new Dimension());
table.setShowGrid(false);
table.putClientProperty("terminateEditOnFocusLost", Boolean.TRUE);
TableColumn column = table.getColumnModel().getColumn(0);
column.setMaxWidth(60);
column.setMinWidth(60);
column.setResizable(false);
// addHierarchyListener(e -> {
// if ((e.getChangeFlags() & HierarchyEvent.DISPLAYABILITY_CHANGED) != 0
// && !e.getComponent().isDisplayable()) {
// executor.shutdownNow();
// }
// });
JButton button = new JButton("add");
button.addActionListener(e -> addActionPerformed());
add(button, BorderLayout.SOUTH);
add(scrollPane);
setPreferredSize(new Dimension(320, 240));
}
public void addProgressValue(String name, Integer iv, SwingWorker<?, ?> worker) {
Object[] obj = {number, name, iv, worker};
model.addRow(obj);
number++;
}
public void addActionPerformed() {
int key = model.getRowCount();
SwingWorker<Integer, Integer> worker = new BackgroundTask() {
@Override protected void process(List<Integer> c) {
if (isDisplayable() && !isCancelled()) {
c.forEach(v -> model.setValueAt(v, key, 2));
} else {
// System.out.println("process: DISPOSE_ON_CLOSE");
cancel(true);
// executor.shutdown();
}
}
@Override protected void done() {
// if (!isDisplayable()) {
// System.out.println("done: DISPOSE_ON_CLOSE");
// cancel(true);
// // executor.shutdown();
// return;
// }
String text;
int i = -1;
if (isCancelled()) {
text = "Cancelled";
} else {
try {
i = get();
text = i >= 0 ? "Done" : "Disposed";
} catch (InterruptedException | ExecutionException ex) {
text = ex.getMessage();
Thread.currentThread().interrupt();
}
}
model.setValueAt(String.format("%s(%dms)%n", text, i), key, 2);
// executor.remove(this);
}
};
addProgressValue("example", 0, worker);
// executor.execute(worker);
worker.execute();
}
private final class TablePopupMenu extends JPopupMenu {
private final JMenuItem cancelMenuItem;
private final JMenuItem deleteMenuItem;
/* default */ TablePopupMenu() {
super();
add("add").addActionListener(e -> addActionPerformed());
addSeparator();
cancelMenuItem = add("cancel");
cancelMenuItem.addActionListener(e -> cancelActionPerformed());
deleteMenuItem = add("delete");
deleteMenuItem.addActionListener(e -> deleteActionPerformed());
}
@Override public void show(Component c, int x, int y) {
if (c instanceof JTable) {
boolean flag = ((JTable) c).getSelectedRowCount() > 0;
cancelMenuItem.setEnabled(flag);
deleteMenuItem.setEnabled(flag);
super.show(c, x, y);
}
}
private SwingWorker<?, ?> getSwingWorker(int identifier) {
// Integer key = (Integer) model.getValueAt(identifier, 0);
// return workerMap.get(key);
return (SwingWorker<?, ?>) model.getValueAt(identifier, 3);
}
private void deleteActionPerformed() {
int[] selection = table.getSelectedRows();
if (selection.length == 0) {
return;
}
for (int i : selection) {
int mi = table.convertRowIndexToModel(i);
deletedRowSet.add(mi);
SwingWorker<?, ?> worker = getSwingWorker(mi);
if (Objects.nonNull(worker) && !worker.isDone()) {
worker.cancel(true);
// executor.remove(worker);
}
// worker = null;
}
RowSorter<? extends TableModel> sorter = table.getRowSorter();
if (sorter instanceof TableRowSorter) {
RowFilter<TableModel, Integer> filter = new RowFilter<TableModel, Integer>() {
@Override public boolean include(Entry<? extends TableModel, ? extends Integer> entry) {
return !deletedRowSet.contains(entry.getIdentifier());
}
};
((TableRowSorter<? extends TableModel>) sorter).setRowFilter(filter);
}
table.clearSelection();
table.repaint();
}
private void cancelActionPerformed() {
int[] selection = table.getSelectedRows();
for (int i : selection) {
int mi = table.convertRowIndexToModel(i);
SwingWorker<?, ?> worker = getSwingWorker(mi);
if (Objects.nonNull(worker) && !worker.isDone()) {
worker.cancel(true);
}
// worker = null;
}
table.repaint();
}
}
public static void main(String[] args) {
EventQueue.invokeLater(MainPanel::createAndShowGui);
}
private static void createAndShowGui() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (UnsupportedLookAndFeelException ignored) {
Toolkit.getDefaultToolkit().beep();
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException ex) {
ex.printStackTrace();
return;
}
JFrame frame = new JFrame("@title@");
frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
// frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.getContentPane().add(new MainPanel());
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}
class BackgroundTask extends SwingWorker<Integer, Integer> {
private final Random rnd = new Random();
@Override protected Integer doInBackground() throws InterruptedException {
int lengthOfTask = 120;
int current = 0;
int total = 0;
while (current <= lengthOfTask && !isCancelled()) {
publish(100 * current / lengthOfTask);
total += doSomething();
current++;
}
return total;
}
private int doSomething() throws InterruptedException {
int iv = rnd.nextInt(50) + 1;
Thread.sleep(iv);
return iv;
}
}
// class ProgressRenderer extends DefaultTableCellRenderer {
// private JProgressBar progress;
//
// @Override public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
// Integer i = (Integer) value;
// String text = "Done";
// if (i < 0) {
// text = "Canceled";
// } else if (i < progress.getMaximum()) { // < 100
// progress.setValue(i);
// return progress;
// }
// super.getTableCellRendererComponent(table, text, isSelected, hasFocus, row, column);
// return this;
// }
//
// @Override public void updateUI() {
// super.updateUI();
// setOpaque(false);
// progress = new JProgressBar();
// }
// }