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1
17 package org.columba.core.gui.statusbar;
18
19 import java.awt.BorderLayout  ;
20 import java.awt.Color ;
21 import java.awt.Component ;
22 import java.awt.Dimension ;
23 import java.awt.GridBagConstraints ;
24 import java.awt.GridBagLayout ;
25 import java.awt.GridLayout ;
26 import java.awt.event.ActionEvent ;
27 import java.awt.event.ActionListener ;
28 import java.awt.event.KeyEvent ;
29
30 import javax.swing.BorderFactory ;
31 import javax.swing.Box ;
32 import javax.swing.DefaultListModel ;
33 import javax.swing.JButton ;
34 import javax.swing.JComponent ;
35 import javax.swing.JDialog ;
36 import javax.swing.JFrame ;
37 import javax.swing.JList ;
38 import javax.swing.JPanel ;
39 import javax.swing.JScrollPane ;
40 import javax.swing.KeyStroke ;
41 import javax.swing.SwingConstants ;
42 import javax.swing.SwingUtilities ;
43 import javax.swing.event.ListSelectionEvent ;
44 import javax.swing.event.ListSelectionListener ;
45
46 import org.columba.api.command.IWorkerStatusChangeListener;
47 import org.columba.api.command.WorkerStatusChangedEvent;
48 import org.columba.core.command.TaskManager;
49 import org.columba.core.command.TaskManagerEvent;
50 import org.columba.core.command.TaskManagerListener;
51 import org.columba.core.command.Worker;
52 import org.columba.core.gui.base.ButtonWithMnemonic;
53 import org.columba.core.gui.base.SingleSideEtchedBorder;
54 import org.columba.core.help.HelpManager;
55 import org.columba.core.resourceloader.GlobalResourceLoader;
56
57
64 public class TaskManagerDialog extends JDialog implements TaskManagerListener,
65 ActionListener , IWorkerStatusChangeListener, ListSelectionListener {
66
67 private static TaskManagerDialog instance;
68
69 private TaskManager taskManager;
70
71 private JButton cancelButton;
72
73 private JButton killButton;
74
75 private JList list;
76
77 public TaskManagerDialog(TaskManager tm) {
78 super((JFrame ) null, "Task Manager", false);
79 this.taskManager = tm;
80
81 initComponents();
82 pack();
83 setLocationRelativeTo(null);
84
85 tm.addTaskManagerListener(this);
86 }
87
88 public static TaskManagerDialog createInstance() {
89 if (instance == null) {
90 instance = new TaskManagerDialog(TaskManager.getInstance());
91 }
92
93 if (!instance.isVisible()) {
94 instance.setVisible(true);
95 }
96 instance.toFront();
97
98 return instance;
99 }
100
101 public void initComponents() {
102 JPanel mainPanel = new JPanel (new BorderLayout ());
103 mainPanel.setBorder(BorderFactory.createEmptyBorder(12, 12, 12, 12));
104 getContentPane().add(mainPanel);
105
106 cancelButton = new ButtonWithMnemonic("Cancel &Task");
107 cancelButton.setEnabled(false);
108 cancelButton.setActionCommand("CANCEL");
109 cancelButton.addActionListener(this);
110
111 killButton = new ButtonWithMnemonic("Kill");
112 killButton.setActionCommand("KILL");
113 killButton.setEnabled(false);
114 killButton.addActionListener(this);
115
116 GridBagLayout gridBagLayout = new GridBagLayout ();
117 GridBagConstraints c = new GridBagConstraints ();
118
119 JPanel eastPanel = new JPanel (gridBagLayout);
120 eastPanel.setLayout(gridBagLayout);
121 mainPanel.add(eastPanel, BorderLayout.EAST);
122
123 c.fill = GridBagConstraints.HORIZONTAL;
124 c.weightx = 1.0;
125 c.gridwidth = GridBagConstraints.REMAINDER;
126 gridBagLayout.setConstraints(cancelButton, c);
127 eastPanel.add(cancelButton);
128
129
137
138 Component glue = Box.createVerticalGlue();
139 glue = Box.createVerticalGlue();
140 c.fill = GridBagConstraints.BOTH;
141 c.weighty = 1.0;
142 gridBagLayout.setConstraints(glue, c);
143 eastPanel.add(glue);
144
145 JPanel centerPanel = new JPanel (new BorderLayout ());
147 centerPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 6));
148 DefaultListModel model = new DefaultListModel ();
149 Worker[] workers = taskManager.getWorkers();
150 for (int i = 0; i < workers.length; i++) {
151 model.addElement(workers[i]);
152 }
153 list = new JList (model);
154 list.setCellRenderer(new TaskRenderer());
155 list.getSelectionModel().addListSelectionListener(this);
156
157 JScrollPane scrollPane = new JScrollPane (list);
158 scrollPane.setPreferredSize(new Dimension (300, 250));
159 scrollPane.getViewport().setBackground(Color.white);
160 centerPanel.add(scrollPane);
161
162 mainPanel.add(centerPanel);
163
164 JPanel bottomPanel = new JPanel (new BorderLayout ());
165 bottomPanel.setBorder(new SingleSideEtchedBorder(SwingConstants.TOP));
166
167 JPanel buttonPanel = new JPanel (new GridLayout (1, 2, 6, 0));
168 buttonPanel.setBorder(BorderFactory.createEmptyBorder(12, 12, 12, 12));
169
170 ButtonWithMnemonic closeButton = new ButtonWithMnemonic(
171 GlobalResourceLoader.getString("", "global", "close"));
172 closeButton.setActionCommand("CLOSE"); closeButton.addActionListener(this);
174 buttonPanel.add(closeButton);
175
176 ButtonWithMnemonic helpButton = new ButtonWithMnemonic(
177 GlobalResourceLoader.getString("", "global", "help"));
178 buttonPanel.add(helpButton);
179 bottomPanel.add(buttonPanel, BorderLayout.EAST);
180 getContentPane().add(bottomPanel, BorderLayout.SOUTH);
181 getRootPane().setDefaultButton(closeButton);
182 getRootPane().registerKeyboardAction(this, "CLOSE",
183 KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0),
184 JComponent.WHEN_IN_FOCUSED_WINDOW);
185
186 HelpManager.getInstance().enableHelpOnButton(helpButton,
188 "organising_and_managing_your_email_3");
189 HelpManager.getInstance().enableHelpKey(getRootPane(),
190 "organising_and_managing_your_email_3");
191 }
192
193 public void actionPerformed(ActionEvent e) {
194 String action = e.getActionCommand();
195
196 if (action.equals("CLOSE")) {
197 setVisible(false);
198 } else if (action.equals("CANCEL")) {
199 Worker worker = (Worker) list.getSelectedValue();
200 worker.setCancel(true);
201
202 } else if (action.equals("KILL")) {
203
204 }
205 }
206
207 public void workerAdded(final TaskManagerEvent e) {
208 SwingUtilities.invokeLater(new Runnable () {
209 public void run() {
210 Worker worker = e.getWorker();
211
212 worker.addWorkerStatusChangeListener(TaskManagerDialog.this);
213
214 ((DefaultListModel ) list.getModel()).addElement(e.getWorker());
215 }
216 });
217 }
218
219 public void workerRemoved(final TaskManagerEvent e) {
220 SwingUtilities.invokeLater(new Runnable () {
221 public void run() {
222 Worker worker = e.getWorker();
223
224 ((DefaultListModel ) list.getModel()).removeElement(worker);
225 }
226 });
227 }
228
229 public void workerStatusChanged(WorkerStatusChangedEvent e) {
230 final WorkerStatusChangedEvent event = e;
231
232 switch (e.getType()) {
233
234 case WorkerStatusChangedEvent.DISPLAY_TEXT_CHANGED:
235 break;
236
237 case WorkerStatusChangedEvent.DISPLAY_TEXT_CLEARED:
238 break;
239
240 case WorkerStatusChangedEvent.PROGRESSBAR_MAX_CHANGED:
241 break;
242
243 case WorkerStatusChangedEvent.PROGRESSBAR_VALUE_CHANGED:
244 break;
245
246 case WorkerStatusChangedEvent.FINISHED:
247 }
248
249 SwingUtilities.invokeLater(new Runnable () {
250 public void run() {
251 DefaultListModel m = ((DefaultListModel ) list.getModel());
253 int index = m.indexOf(event.getSource());
254 if (index != -1)
255 m.setElementAt(event.getSource(), index);
256
257 }
258 });
259
260 }
261
262
265 public void valueChanged(ListSelectionEvent ev) {
266 if (ev.getValueIsAdjusting())
267 return;
268
269 if (list.getSelectedIndex() != -1)
270 cancelButton.setEnabled(true);
271 else
272 cancelButton.setEnabled(false);
273
274 }
275 } |
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