Revision 31952 branches/v2_0_0_prep/libraries/libUIComponent/src/org/gvsig/gui/beans/incrementabletask/IncrementableTask.java
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana |
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package org.gvsig.gui.beans.incrementabletask; |
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/* gvSIG. Geographic Information System of the Valencian Government |
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* |
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* Copyright (C) 2007 IVER T.I. and Generalitat Valenciana. |
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* |
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* Copyright (C) 2007-2008 Infrastructures and Transports Department |
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* of the Valencian Government (CIT) |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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*
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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*
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA. |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
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* MA 02110-1301, USA. |
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* |
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*/ |
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package org.gvsig.gui.beans.incrementabletask; |
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import java.awt.event.WindowAdapter; |
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import java.awt.event.WindowEvent; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import javax.swing.JDialog; |
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import javax.swing.JOptionPane; |
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import javax.swing.WindowConstants; |
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import org.apache.log4j.Logger; |
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import org.gvsig.gui.beans.Messages; |
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import org.gvsig.gui.beans.buttonspanel.ButtonsPanel; |
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import org.gvsig.gui.beans.buttonspanel.ButtonsPanelEvent; |
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import org.gvsig.gui.beans.buttonspanel.ButtonsPanelListener; |
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import org.gvsig.gui.beans.progresspanel.ProgressPanel; |
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/** |
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* <code>IncrementableTask</code>. Es un dialogo que contiene un ProgressPanel. |
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* Se ejecuta bajo un Thread y va consultando a un objeto de tipo IIncrementable |
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* para modificar sus valores. |
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* |
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* @version 23/04/2008 |
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* @version 20/08/2008 |
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* |
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* @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es) |
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*/ |
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public class IncrementableTask implements Runnable, ButtonsPanelListener {
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private ArrayList<IncrementableListener> actionCommandListeners = new ArrayList<IncrementableListener>();
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private IIncrementable iIncrementable = null;
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private volatile ProgressPanel progressPanel = null;
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private volatile Thread blinker = null;
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private boolean threadSuspended = false;
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private boolean ended = false;
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private boolean askOnCancel = true;
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private boolean bDoCallListeners = true;
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static private int eventId = Integer.MIN_VALUE;
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IIncrementable iIncrementable = null;
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private volatile ProgressPanel progressPanel = null;
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private volatile Thread blinker = null;
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private boolean threadSuspended = false;
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private boolean ended = false;
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private boolean askOnCancel = true;
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private ArrayList<IncrementableListener> actionCommandListeners = new ArrayList<IncrementableListener>();
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private boolean bDoCallListeners = true;
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static private int eventId = Integer.MIN_VALUE;
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/** |
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* Constructor del IncrementableTask. |
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* @param incrementable |
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*/ |
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public IncrementableTask(IIncrementable incrementable, ProgressPanel dialog) {
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iIncrementable = incrementable; |
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progressPanel = dialog; |
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configureProgressPanel(); |
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} |
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/** |
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* Constructor del IncrementableTask. |
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* @param incrementable |
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*/ |
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public IncrementableTask(IIncrementable incrementable) {
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iIncrementable = incrementable; |
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configureProgressPanel(); |
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} |
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/** |
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public void stop() {
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ended = true; |
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} |
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/** |
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* Este thread va leyendo el porcentaje hasta que se completa el histograma. |
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*/ |
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public synchronized void run() {
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while (!ended && (iIncrementable.getPercent() <= 100)) {
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// while (!ended && (iIncrementable.getPercent() <= 100)) {
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while (! ended) {
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try {
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getProgressPanel().setLabel(iIncrementable.getLabel()); |
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getProgressPanel().setPercent(iIncrementable.getPercent()); |
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} catch (InterruptedException e) {
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} |
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} |
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// Forces to refresh the log with the last changes |
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getProgressPanel().setLog(iIncrementable.getLog()); |
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} |
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/** |
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* Ocultar la ventana |
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*/ |
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public void hideWindow() {
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// getProgressPanel().dispose(); |
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getProgressPanel().setVisible(false); |
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} |
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public ProgressPanel getProgressPanel() {
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if (progressPanel == null) {
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progressPanel = new ProgressPanel(false); |
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progressPanel.setAlwaysOnTop(true); |
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progressPanel.addButtonPressedListener(this); |
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progressPanel.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE); |
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} |
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return progressPanel; |
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} |
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protected void configureProgressPanel() {
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getProgressPanel().setAlwaysOnTop(true); |
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getProgressPanel().addButtonPressedListener(this); |
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// Must ask if user wants to cancel the process, avoid closing the dialog |
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getProgressPanel().setDefaultCloseOperation( JDialog.DO_NOTHING_ON_CLOSE ); |
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getProgressPanel().addWindowListener(new WindowAdapter() {
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public void windowClosing(WindowEvent e) {
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// Simulates an event like the produced pressing the cancel button of the associated progress panel |
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actionButtonPressed(new ButtonsPanelEvent(getProgressPanel(), ButtonsPanel.BUTTON_CANCEL)); |
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} |
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}); |
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} |
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private void callActionCommandListeners(int actions) {
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if (!bDoCallListeners) |
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return; |
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Iterator<IncrementableListener> acIterator = actionCommandListeners.iterator(); |
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while (acIterator.hasNext()) {
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IncrementableListener listener = acIterator.next(); |
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IncrementableListener listener = (IncrementableListener) acIterator.next();
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switch (actions) {
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case IncrementableEvent.RESUMED: |
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listener.actionResumed(new IncrementableEvent(this)); |
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case ButtonsPanel.BUTTON_CANCEL: |
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boolean cancelled = true; |
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if (askOnCancel) {
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if (! iIncrementable.isCancelable()) {
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JOptionPane.showMessageDialog(null, Messages.getText("The_process_cant_be_cancelled"), Messages.getText("Information"), JOptionPane.INFORMATION_MESSAGE);
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return; |
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} |
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/* Pauses the process */ |
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if (iIncrementable.isPausable()) {
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try {
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callActionCommandListeners(IncrementableEvent.SUSPENDED); |
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} |
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catch (Exception iex) {
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Logger.getLogger(IncrementableTask.class).error(iex); |
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JOptionPane.showMessageDialog(null, Messages.getText("Failed_pausing_the_process"), Messages.getText("Error"), JOptionPane.ERROR_MESSAGE);
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} |
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} |
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/* Asks user to cancel or not the process */ |
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cancelled = false; |
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String string1 = Messages.getText("si");
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String string2 = Messages.getText("no");
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String string1 = Messages.getText("Yes");
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String string2 = Messages.getText("No");
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Object[] options = { string1, string2 };
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int answer = JOptionPane.showOptionDialog(getProgressPanel(), Messages |
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.getText("msg_cancel_incrementable"), Messages
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.getText("title_cancel_incrementable"),
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JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null, |
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options, string1); |
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if (answer == JOptionPane.YES_OPTION) |
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if (answer == JOptionPane.YES_OPTION) {
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cancelled = true; |
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/* Continues the process */ |
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try {
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if (iIncrementable.isPausable()) |
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callActionCommandListeners(IncrementableEvent.RESUMED); |
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} catch (Exception e2) {
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Logger.getLogger(IncrementableTask.class).error(e2); |
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Messages.getText("Failed_resuming_the_process");
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} |
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} |
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else {
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/* Continues the process */ |
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try {
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if (iIncrementable.isPausable()) |
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callActionCommandListeners(IncrementableEvent.RESUMED); |
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} catch (Exception e2) {
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Logger.getLogger(IncrementableTask.class).error(e2); |
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Messages.getText("Failed_resuming_the_process");
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} |
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} |
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} |
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if (cancelled) {
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ended = true; |
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// ended = true; |
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// Will wait the process to finish and notify this to stop |
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callActionCommandListeners(IncrementableEvent.CANCELED); |
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} |
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break; |
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case ButtonsPanel.BUTTON_PAUSE: |
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threadSuspended = true; |
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callActionCommandListeners(IncrementableEvent.SUSPENDED); |
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/* Pauses the associated process */ |
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try {
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if (! iIncrementable.isPausable()) {
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JOptionPane.showMessageDialog(null, Messages.getText("The_process_cant_be_paused"), Messages.getText("Information"), JOptionPane.INFORMATION_MESSAGE);
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} |
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else {
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callActionCommandListeners(IncrementableEvent.SUSPENDED); |
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} |
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} |
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catch (Exception iex) {
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Logger.getLogger(IncrementableTask.class).error(iex); |
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JOptionPane.showMessageDialog(null, Messages.getText("Failed_pausing_the_process"), Messages.getText("Error"), JOptionPane.ERROR_MESSAGE);
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} |
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break; |
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case ButtonsPanel.BUTTON_RESTART: |
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threadSuspended = false; |
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/* Resumes the associated process */ |
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callActionCommandListeners(IncrementableEvent.RESUMED); |
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break; |
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} |
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