root / branches / v2_0_0_prep / libraries / libUIComponent / src / org / gvsig / gui / beans / incrementabletask / IncrementableTask.java @ 34688
History | View | Annotate | Download (10.2 KB)
| 1 |
package org.gvsig.gui.beans.incrementabletask; |
|---|---|
| 2 |
|
| 3 |
/* gvSIG. Geographic Information System of the Valencian Government
|
| 4 |
*
|
| 5 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
| 6 |
* of the Valencian Government (CIT)
|
| 7 |
*
|
| 8 |
* This program is free software; you can redistribute it and/or
|
| 9 |
* modify it under the terms of the GNU General Public License
|
| 10 |
* as published by the Free Software Foundation; either version 2
|
| 11 |
* of the License, or (at your option) any later version.
|
| 12 |
*
|
| 13 |
* This program is distributed in the hope that it will be useful,
|
| 14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 16 |
* GNU General Public License for more details.
|
| 17 |
*
|
| 18 |
* You should have received a copy of the GNU General Public License
|
| 19 |
* along with this program; if not, write to the Free Software
|
| 20 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
| 21 |
* MA 02110-1301, USA.
|
| 22 |
*
|
| 23 |
*/
|
| 24 |
|
| 25 |
import java.awt.event.WindowAdapter; |
| 26 |
import java.awt.event.WindowEvent; |
| 27 |
import java.util.ArrayList; |
| 28 |
import java.util.Iterator; |
| 29 |
|
| 30 |
import javax.swing.JDialog; |
| 31 |
import javax.swing.JOptionPane; |
| 32 |
|
| 33 |
import org.slf4j.Logger; |
| 34 |
import org.slf4j.LoggerFactory; |
| 35 |
|
| 36 |
import org.gvsig.gui.beans.Messages; |
| 37 |
import org.gvsig.gui.beans.buttonspanel.ButtonsPanel; |
| 38 |
import org.gvsig.gui.beans.buttonspanel.ButtonsPanelEvent; |
| 39 |
import org.gvsig.gui.beans.buttonspanel.ButtonsPanelListener; |
| 40 |
import org.gvsig.gui.beans.progresspanel.ProgressPanel; |
| 41 |
|
| 42 |
/**
|
| 43 |
* <code>IncrementableTask</code>. Es un dialogo que contiene un ProgressPanel.
|
| 44 |
* Se ejecuta bajo un Thread y va consultando a un objeto de tipo IIncrementable
|
| 45 |
* para modificar sus valores.
|
| 46 |
*
|
| 47 |
* @version 20/08/2008
|
| 48 |
*
|
| 49 |
* @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)
|
| 50 |
*/
|
| 51 |
public class IncrementableTask implements Runnable, ButtonsPanelListener { |
| 52 |
|
| 53 |
private static final Logger LOG = LoggerFactory |
| 54 |
.getLogger(IncrementableTask.class); |
| 55 |
|
| 56 |
IIncrementable iIncrementable = null;
|
| 57 |
private volatile ProgressPanel progressPanel = null; |
| 58 |
private volatile Thread blinker = null; |
| 59 |
private boolean threadSuspended = false; |
| 60 |
private boolean ended = false; |
| 61 |
private boolean askOnCancel = true; |
| 62 |
private ArrayList<IncrementableListener> actionCommandListeners = new ArrayList<IncrementableListener>(); |
| 63 |
private boolean bDoCallListeners = true; |
| 64 |
static private int eventId = Integer.MIN_VALUE; |
| 65 |
|
| 66 |
/**
|
| 67 |
* Constructor del IncrementableTask.
|
| 68 |
* @param incrementable
|
| 69 |
*/
|
| 70 |
public IncrementableTask(IIncrementable incrementable, ProgressPanel dialog) {
|
| 71 |
iIncrementable = incrementable; |
| 72 |
progressPanel = dialog; |
| 73 |
configureProgressPanel(); |
| 74 |
} |
| 75 |
|
| 76 |
/**
|
| 77 |
* Constructor del IncrementableTask.
|
| 78 |
* @param incrementable
|
| 79 |
*/
|
| 80 |
public IncrementableTask(IIncrementable incrementable) {
|
| 81 |
iIncrementable = incrementable; |
| 82 |
configureProgressPanel(); |
| 83 |
} |
| 84 |
|
| 85 |
/**
|
| 86 |
* Inicio del thread para que la ventana vaya consultando por si sola al
|
| 87 |
* iIncrementable
|
| 88 |
*/
|
| 89 |
public void start() { |
| 90 |
blinker = new Thread(this); |
| 91 |
blinker.start(); |
| 92 |
} |
| 93 |
|
| 94 |
/**
|
| 95 |
* Detiene el proceso de consulta de la ventana.
|
| 96 |
*/
|
| 97 |
public void stop() { |
| 98 |
ended = true;
|
| 99 |
} |
| 100 |
|
| 101 |
/**
|
| 102 |
* Este thread va leyendo el porcentaje hasta que se completa el histograma.
|
| 103 |
*/
|
| 104 |
public synchronized void run() { |
| 105 |
// while (!ended && (iIncrementable.getPercent() <= 100)) {
|
| 106 |
while (! ended) {
|
| 107 |
try {
|
| 108 |
getProgressPanel().setLabel(iIncrementable.getLabel()); |
| 109 |
getProgressPanel().setPercent(iIncrementable.getPercent()); |
| 110 |
getProgressPanel().setTitle(iIncrementable.getTitle()); |
| 111 |
getProgressPanel().setLog(iIncrementable.getLog()); |
| 112 |
Thread.sleep(100); |
| 113 |
synchronized (this) { |
| 114 |
while (threadSuspended && !ended)
|
| 115 |
wait(500);
|
| 116 |
} |
| 117 |
} catch (InterruptedException e) { |
| 118 |
} |
| 119 |
} |
| 120 |
|
| 121 |
// Forces to refresh the log with the last changes
|
| 122 |
getProgressPanel().setLog(iIncrementable.getLog()); |
| 123 |
} |
| 124 |
|
| 125 |
/**
|
| 126 |
* Termina el proceso de lectura de porcentajes y logs de la ventana y
|
| 127 |
* cierra esta.
|
| 128 |
*/
|
| 129 |
public void processFinalize() { |
| 130 |
stop(); |
| 131 |
while (isAlive());
|
| 132 |
hide(); |
| 133 |
} |
| 134 |
|
| 135 |
/**
|
| 136 |
* Ocultar la ventana y parar el proceso
|
| 137 |
*/
|
| 138 |
private void hide() { |
| 139 |
hideWindow(); |
| 140 |
progressPanel = null;
|
| 141 |
blinker = null;
|
| 142 |
} |
| 143 |
|
| 144 |
/**
|
| 145 |
* Ocultar la ventana
|
| 146 |
*/
|
| 147 |
public void hideWindow() { |
| 148 |
// getProgressPanel().dispose();
|
| 149 |
getProgressPanel().setVisible(false);
|
| 150 |
} |
| 151 |
|
| 152 |
/**
|
| 153 |
* Devuelve un booleano indicando si esta activa la ventana.
|
| 154 |
* @return boolean
|
| 155 |
*/
|
| 156 |
public boolean isAlive() { |
| 157 |
if (blinker == null) |
| 158 |
return false; |
| 159 |
return blinker.isAlive();
|
| 160 |
} |
| 161 |
|
| 162 |
/**
|
| 163 |
* Muestra la ventana de incremento con el porcentaje de la construcci?n del
|
| 164 |
* histograma.
|
| 165 |
*/
|
| 166 |
public void showWindow() { |
| 167 |
getProgressPanel().setTitle(iIncrementable.getTitle()); |
| 168 |
getProgressPanel().showLog(false);
|
| 169 |
getProgressPanel().setVisible(true);
|
| 170 |
} |
| 171 |
|
| 172 |
/**
|
| 173 |
* Devuelve el componente ProgressPanel de la ventana incrementable.
|
| 174 |
* @return ProgressPanel
|
| 175 |
*/
|
| 176 |
public ProgressPanel getProgressPanel() {
|
| 177 |
if (progressPanel == null) { |
| 178 |
progressPanel = new ProgressPanel(false); |
| 179 |
} |
| 180 |
return progressPanel;
|
| 181 |
} |
| 182 |
|
| 183 |
protected void configureProgressPanel() { |
| 184 |
getProgressPanel().setAlwaysOnTop(true);
|
| 185 |
getProgressPanel().addButtonPressedListener(this);
|
| 186 |
|
| 187 |
// Must ask if user wants to cancel the process, avoid closing the dialog
|
| 188 |
getProgressPanel().setDefaultCloseOperation( JDialog.DO_NOTHING_ON_CLOSE );
|
| 189 |
getProgressPanel().addWindowListener(new WindowAdapter() { |
| 190 |
public void windowClosing(WindowEvent e) { |
| 191 |
// Simulates an event like the produced pressing the cancel button of the associated progress panel
|
| 192 |
actionButtonPressed(new ButtonsPanelEvent(getProgressPanel(), ButtonsPanel.BUTTON_CANCEL));
|
| 193 |
} |
| 194 |
}); |
| 195 |
} |
| 196 |
|
| 197 |
private void callActionCommandListeners(int actions) { |
| 198 |
if (!bDoCallListeners)
|
| 199 |
return;
|
| 200 |
Iterator<IncrementableListener> acIterator = actionCommandListeners.iterator();
|
| 201 |
while (acIterator.hasNext()) {
|
| 202 |
IncrementableListener listener = (IncrementableListener) acIterator.next(); |
| 203 |
switch (actions) {
|
| 204 |
case IncrementableEvent.RESUMED:
|
| 205 |
listener.actionResumed(new IncrementableEvent(this)); |
| 206 |
break;
|
| 207 |
case IncrementableEvent.SUSPENDED:
|
| 208 |
listener.actionSuspended(new IncrementableEvent(this)); |
| 209 |
break;
|
| 210 |
case IncrementableEvent.CANCELED:
|
| 211 |
listener.actionCanceled(new IncrementableEvent(this)); |
| 212 |
break;
|
| 213 |
} |
| 214 |
} |
| 215 |
eventId++; |
| 216 |
} |
| 217 |
|
| 218 |
/**
|
| 219 |
* A?adir el manejador de eventos para atender las peticiones de start,
|
| 220 |
* stop...
|
| 221 |
*
|
| 222 |
* @param listener
|
| 223 |
*/
|
| 224 |
public void addIncrementableListener(IncrementableListener listener) { |
| 225 |
if (!actionCommandListeners.contains(listener))
|
| 226 |
actionCommandListeners.add(listener); |
| 227 |
} |
| 228 |
|
| 229 |
/**
|
| 230 |
* Borrar un manejador de eventos.
|
| 231 |
* @param listener
|
| 232 |
*/
|
| 233 |
public void removeIncrementableListener(IncrementableListener listener) { |
| 234 |
actionCommandListeners.remove(listener); |
| 235 |
} |
| 236 |
|
| 237 |
/**
|
| 238 |
* Definir si queremos que confirme al usuario si realmente desea cancelar el
|
| 239 |
* proceso
|
| 240 |
*
|
| 241 |
* @param value
|
| 242 |
*/
|
| 243 |
public void setAskCancel(boolean value) { |
| 244 |
askOnCancel = value; |
| 245 |
} |
| 246 |
|
| 247 |
/**
|
| 248 |
* Metodo para gestionar todos los eventos del objeto.
|
| 249 |
*/
|
| 250 |
public void actionButtonPressed(ButtonsPanelEvent e) { |
| 251 |
switch (e.getButton()) {
|
| 252 |
case ButtonsPanel.BUTTON_CANCEL:
|
| 253 |
boolean cancelled = true; |
| 254 |
if (askOnCancel) {
|
| 255 |
if (! iIncrementable.isCancelable()) {
|
| 256 |
JOptionPane.showMessageDialog(null, Messages.getText("The_process_cant_be_cancelled"), Messages.getText("Information"), JOptionPane.INFORMATION_MESSAGE); |
| 257 |
return;
|
| 258 |
} |
| 259 |
|
| 260 |
/* Pauses the process */
|
| 261 |
if (iIncrementable.isPausable()) {
|
| 262 |
try {
|
| 263 |
callActionCommandListeners(IncrementableEvent.SUSPENDED); |
| 264 |
} |
| 265 |
catch (Exception iex) { |
| 266 |
LOG.error("", iex);
|
| 267 |
JOptionPane.showMessageDialog(null, Messages.getText("Failed_pausing_the_process"), Messages.getText("Error"), JOptionPane.ERROR_MESSAGE); |
| 268 |
} |
| 269 |
} |
| 270 |
|
| 271 |
/* Asks user to cancel or not the process */
|
| 272 |
cancelled = false;
|
| 273 |
String string1 = Messages.getText("Yes"); |
| 274 |
String string2 = Messages.getText("No"); |
| 275 |
Object[] options = { string1, string2 }; |
| 276 |
int answer = JOptionPane.showOptionDialog(getProgressPanel(), Messages |
| 277 |
.getText("msg_cancel_incrementable"), Messages
|
| 278 |
.getText("title_cancel_incrementable"),
|
| 279 |
JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null, |
| 280 |
options, string1); |
| 281 |
if (answer == JOptionPane.YES_OPTION) { |
| 282 |
cancelled = true;
|
| 283 |
|
| 284 |
/* Continues the process */
|
| 285 |
try {
|
| 286 |
if (iIncrementable.isPausable())
|
| 287 |
callActionCommandListeners(IncrementableEvent.RESUMED); |
| 288 |
} catch (Exception e2) { |
| 289 |
LOG.error("", e2);
|
| 290 |
Messages.getText("Failed_resuming_the_process");
|
| 291 |
} |
| 292 |
} |
| 293 |
else {
|
| 294 |
/* Continues the process */
|
| 295 |
try {
|
| 296 |
if (iIncrementable.isPausable())
|
| 297 |
callActionCommandListeners(IncrementableEvent.RESUMED); |
| 298 |
} catch (Exception e2) { |
| 299 |
LOG.error("", e2);
|
| 300 |
Messages.getText("Failed_resuming_the_process");
|
| 301 |
} |
| 302 |
} |
| 303 |
} |
| 304 |
if (cancelled) {
|
| 305 |
// ended = true;
|
| 306 |
// Will wait the process to finish and notify this to stop
|
| 307 |
callActionCommandListeners(IncrementableEvent.CANCELED); |
| 308 |
} |
| 309 |
break;
|
| 310 |
case ButtonsPanel.BUTTON_PAUSE:
|
| 311 |
threadSuspended = true;
|
| 312 |
|
| 313 |
/* Pauses the associated process */
|
| 314 |
try {
|
| 315 |
if (! iIncrementable.isPausable()) {
|
| 316 |
JOptionPane.showMessageDialog(null, Messages.getText("The_process_cant_be_paused"), Messages.getText("Information"), JOptionPane.INFORMATION_MESSAGE); |
| 317 |
} |
| 318 |
else {
|
| 319 |
callActionCommandListeners(IncrementableEvent.SUSPENDED); |
| 320 |
} |
| 321 |
} |
| 322 |
catch (Exception iex) { |
| 323 |
LOG.error("", iex);
|
| 324 |
JOptionPane.showMessageDialog(null, Messages.getText("Failed_pausing_the_process"), Messages.getText("Error"), JOptionPane.ERROR_MESSAGE); |
| 325 |
} |
| 326 |
|
| 327 |
break;
|
| 328 |
case ButtonsPanel.BUTTON_RESTART:
|
| 329 |
threadSuspended = false;
|
| 330 |
|
| 331 |
/* Resumes the associated process */
|
| 332 |
callActionCommandListeners(IncrementableEvent.RESUMED); |
| 333 |
break;
|
| 334 |
} |
| 335 |
} |
| 336 |
|
| 337 |
/**
|
| 338 |
* @see ProgressPanel#getButtonsPanel()
|
| 339 |
*/
|
| 340 |
public ButtonsPanel getButtonsPanel() {
|
| 341 |
return getProgressPanel().getButtonsPanel();
|
| 342 |
} |
| 343 |
} |