128 lines
3.2 KiB
Java
128 lines
3.2 KiB
Java
package org.insa.graphics;
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import java.awt.Component;
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import java.awt.Dimension;
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import javax.swing.Box;
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import javax.swing.BoxLayout;
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import javax.swing.JDialog;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JPanel;
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import javax.swing.JProgressBar;
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import javax.swing.border.EmptyBorder;
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import org.insa.graph.Arc;
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import org.insa.graph.Node;
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import org.insa.graph.RoadInformation;
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import org.insa.graph.io.GraphReaderObserver;
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/**
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* One-time use GraphReaderObserver that display progress in three different
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* JProgressBar.
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*
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* @author Mikael
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*
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*/
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public class GraphReaderProgressBar extends JDialog implements GraphReaderObserver {
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/**
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*
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*/
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private static final long serialVersionUID = -1;
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// Index...
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private static final int NODE = 0, DESC = 1, ARC = 2;
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// Progress bar
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private final JProgressBar[] progressBars = new JProgressBar[3];
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// Current element read, and modulo.
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private int[] counters = new int[]{ 0, 0, 0 };
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private int[] modulos = new int[3];
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public GraphReaderProgressBar(JFrame owner) {
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super(owner);
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this.setVisible(false);
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setDefaultCloseOperation(JDialog.DO_NOTHING_ON_CLOSE);
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final String[] infos = { "nodes", "road informations", "arcs" };
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JPanel pane = new JPanel();
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pane.setLayout(new BoxLayout(pane, BoxLayout.PAGE_AXIS));
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pane.setBorder(new EmptyBorder(15, 15, 15, 15));
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pane.add(Box.createVerticalGlue());
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for (int i = 0; i < 3; ++i) {
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JLabel label = new JLabel("Reading " + infos[i] + "... ");
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label.setAlignmentX(Component.LEFT_ALIGNMENT);
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progressBars[i] = new JProgressBar();
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progressBars[i].setAlignmentX(Component.LEFT_ALIGNMENT);
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pane.add(label);
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pane.add(progressBars[i]);
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}
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pane.add(Box.createVerticalGlue());
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pane.setPreferredSize(new Dimension(300, 120));
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setContentPane(pane);
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pack();
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}
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@Override
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public void notifyStartReading(String mapId) {
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setTitle("Reading graph " + mapId + "... ");
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setVisible(true);
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}
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@Override
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public void notifyEndReading() {
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setVisible(false);
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}
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protected void initProgressBar(int index, int max) {
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progressBars[index].setMaximum(max);
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modulos[index] = Math.max(max / 100, 1);
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}
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protected void incCounter(int index) {
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counters[index] += 1;
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if (counters[index] % modulos[index] == 0) {
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progressBars[index].setValue(counters[index]);
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}
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}
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@Override
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public void notifyStartReadingNodes(int nNodes) {
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initProgressBar(NODE, nNodes);
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}
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@Override
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public void notifyNewNodeRead(Node node) {
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incCounter(NODE);
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}
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@Override
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public void notifyStartReadingDescriptors(int nDesc) {
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initProgressBar(DESC, nDesc);
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}
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@Override
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public void notifyNewDescriptorRead(RoadInformation desc) {
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incCounter(DESC);
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}
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@Override
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public void notifyStartReadingArcs(int nArcs) {
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initProgressBar(ARC, nArcs);
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}
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@Override
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public void notifyNewArcRead(Arc arc) {
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incCounter(ARC);
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}
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}
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