root / trunk / libraries / libUIComponent / src / org / gvsig / gui / beans / incrementabletask / IncrementableTask.java @ 10962
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package org.gvsig.gui.beans.incrementabletask; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import java.awt.event.WindowAdapter; |
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import java.awt.event.WindowEvent; |
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import org.gvsig.gui.beans.buttonspanel.ButtonsPanel; |
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import org.gvsig.gui.beans.progresspanel.ProgressPanel; |
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public class IncrementableTask implements Runnable, ActionListener { |
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IIncrementable iIncrementable; |
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private volatile ProgressPanel progressPanel = getProgressPanel(); |
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private volatile Thread blinker; |
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private boolean threadSuspended = false; |
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public IncrementableTask(IIncrementable incrementable) {
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iIncrementable = incrementable; |
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} |
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public void start() { |
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blinker = new Thread(this); |
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blinker.start(); |
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} |
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public synchronized void stop() { |
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blinker = null;
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notify(); |
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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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Thread thisThread = Thread.currentThread(); |
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while ((blinker == thisThread) && (iIncrementable.getPercent() < 100)) { |
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try {
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Thread.sleep(100); |
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getProgressPanel().setLabel(iIncrementable.getLabel()); |
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getProgressPanel().setPercent(iIncrementable.getPercent()); |
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getProgressPanel().setTitle(iIncrementable.getTitle()); |
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getProgressPanel().setLog(iIncrementable.getLog()); |
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synchronized(this) { |
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while (threadSuspended && blinker==thisThread)
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wait(500);
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} |
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} catch (InterruptedException e) { |
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} |
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} |
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//Cerramos la ventana
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handleClose(); |
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} |
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private void handleClose() { |
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getProgressPanel().setVisible(false);
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getProgressPanel().hide(); |
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progressPanel = null;
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if (iIncrementable.getPercent() == 100) |
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iIncrementable.closed(); |
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else
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iIncrementable.canceled(); |
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} |
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/**
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* Muestra la ventana de incremento con el porcentaje de la construcci?n del
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* histograma.
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*/
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public void showWindow(){ |
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getProgressPanel().setTitle(iIncrementable.getTitle()); |
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getProgressPanel().showLog(false);
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getProgressPanel().show(); |
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this.start();
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} |
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private ProgressPanel getProgressPanel() {
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if (progressPanel == null) { |
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progressPanel = new ProgressPanel();
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progressPanel.getButtonsPanel().addActionListener(this);
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progressPanel.addWindowListener( new WindowAdapter() { |
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public void windowClosing(WindowEvent e) |
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{
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blinker = null;
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} |
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}); |
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} |
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return progressPanel;
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} |
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public void actionPerformed(ActionEvent e) { |
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if (e.getActionCommand().compareTo(ButtonsPanel.BUTTON_CANCEL + "") == 0) { |
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blinker = null;
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} |
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if (e.getActionCommand().compareTo(ButtonsPanel.BUTTON_PAUSE + "") == 0) { |
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iIncrementable.suspended(); |
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threadSuspended = true;
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} |
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if (e.getActionCommand().compareTo(ButtonsPanel.BUTTON_RESTART + "") == 0) { |
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iIncrementable.resumed(); |
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threadSuspended = false;
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} |
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} |
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} |