be-graphes/src/main/org/insa/graphics/PathsPanel.java
2018-03-09 14:12:21 +01:00

353 lines
12 KiB
Java

package org.insa.graphics;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.BufferedOutputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JColorChooser;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.UIManager;
import javax.swing.border.EmptyBorder;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.insa.graph.Graph;
import org.insa.graph.Path;
import org.insa.graph.io.BinaryPathWriter;
import org.insa.graphics.drawing.Drawing;
import org.insa.graphics.drawing.overlays.PathOverlay;
public class PathsPanel extends JPanel implements DrawingChangeListener, GraphChangeListener {
/**
*
*/
private static final long serialVersionUID = 1L;
private class PathPanel extends JPanel {
/**
*
*/
private static final long serialVersionUID = 1L;
/**
* Simple icon that represents a unicolor rectangle.
*
*/
protected class ColorIcon implements Icon {
private Color color;
private int width, height;
public ColorIcon(Color color, int width, int height) {
this.width = width;
this.height = height;
this.color = color;
}
public void setColor(Color color) {
this.color = color;
}
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
g.setColor(this.color);
g.fillRect(x, y, getIconWidth(), getIconHeight());
}
@Override
public int getIconWidth() {
return this.width;
}
@Override
public int getIconHeight() {
return this.height;
}
}
// Solution
private final Path path;
// Path Overlay (not final due to redraw)
private PathOverlay overlay;
// Color button
private final JButton colorButton;
/**
* Create a new bundle with the given path and create a new overlay
* corresponding to the path.
*
* @param path Path for this bundle, must not be null.
*
*/
public PathPanel(Path path) {
super();
setLayout(new BoxLayout(this, BoxLayout.LINE_AXIS));
setBorder(BorderFactory.createCompoundBorder(
BorderFactory.createMatteBorder(0, 0, 1, 0, Color.LIGHT_GRAY),
new EmptyBorder(5, 0, 5, 0)));
this.path = path;
this.overlay = drawing.drawPath(this.path);
JCheckBox checkbox = new JCheckBox();
checkbox.setSelected(true);
checkbox.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
overlay.setVisible(checkbox.isSelected());
}
});
JLabel infoPanel = new JLabel();
String info = "";
// Display length
float length = path.getLength();
if (length < 2000) {
info += String.format("Length = %.1f meters", length);
}
else {
info += String.format("Length = %.3f kilometers", length / 1000.);
}
// Display time
info += ", Duration=";
double time = path.getMinimumTravelTime();
int hours = (int) (time / 3600);
int minutes = (int) (time / 60) % 60;
int seconds = ((int) time) % 60;
if (hours > 0) {
info += String.format("%d hours, ", hours);
}
if (minutes > 0) {
info += String.format("%d minutes, ", minutes);
}
info += String.format("%d seconds.", seconds);
infoPanel.setText("<html>" + toString() + "<br/>" + info + "</html>");
infoPanel.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
checkbox.setSelected(!checkbox.isSelected());
overlay.setVisible(checkbox.isSelected());
}
});
Dimension size = new Dimension(24, 24);
ColorIcon icon = new ColorIcon(overlay.getColor(), 14, 14);
colorButton = new JButton(icon);
colorButton.setFocusable(false);
colorButton.setFocusPainted(false);
colorButton.setMinimumSize(size);
colorButton.setPreferredSize(size);
colorButton.setMaximumSize(size);
colorButton.setToolTipText("Pick a color");
colorButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
final Color originalColor = overlay.getColor();
JColorChooser chooser = new JColorChooser(overlay.getColor());
chooser.getSelectionModel().addChangeListener(new ChangeListener() {
@Override
public void stateChanged(ChangeEvent e) {
icon.setColor(chooser.getSelectionModel().getSelectedColor());
colorButton.repaint();
overlay.setColor(chooser.getSelectionModel().getSelectedColor());
overlay.redraw();
}
});
JColorChooser.createDialog(getTopLevelAncestor(), "Pick a new color", true,
chooser, new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
icon.setColor(chooser.getSelectionModel().getSelectedColor());
colorButton.repaint();
overlay.setColor(
chooser.getSelectionModel().getSelectedColor());
overlay.redraw();
}
}, new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
icon.setColor(originalColor);
colorButton.repaint();
overlay.setColor(originalColor);
overlay.redraw();
}
}).setVisible(true);
;
}
});
JButton saveButton = new JButton(UIManager.getIcon("FileView.floppyDriveIcon"));
saveButton.setFocusPainted(false);
saveButton.setFocusable(false);
saveButton.setMinimumSize(size);
saveButton.setPreferredSize(size);
saveButton.setMaximumSize(size);
saveButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
String filepath = System.getProperty("user.dir");
filepath += File.separator + String.format("path_%s_%d_%d.path",
path.getGraph().getMapId().toLowerCase().replaceAll("[^a-z0-9_]", "_"),
path.getOrigin().getId(), path.getDestination().getId());
JFileChooser fileChooser = new JFileChooser();
fileChooser.setSelectedFile(new File(filepath));
fileChooser.setApproveButtonText("Save");
fileChooser.setToolTipText("Save");
if (fileChooser
.showSaveDialog(getTopLevelAncestor()) == JFileChooser.APPROVE_OPTION) {
File file = fileChooser.getSelectedFile();
try {
BinaryPathWriter writer = new BinaryPathWriter(new DataOutputStream(
new BufferedOutputStream(new FileOutputStream(file))));
writer.writePath(path);
}
catch (IOException e1) {
JOptionPane.showMessageDialog(getTopLevelAncestor(),
"Unable to write path to the selected file.");
e1.printStackTrace();
}
}
}
});
Image newimg = new ImageIcon("res/cross_mark.png").getImage().getScaledInstance(14, 14,
java.awt.Image.SCALE_SMOOTH);
JButton deleteButton = new JButton(new ImageIcon(newimg));
deleteButton.setFocusPainted(false);
deleteButton.setFocusable(false);
deleteButton.setMinimumSize(size);
deleteButton.setPreferredSize(size);
deleteButton.setMaximumSize(size);
deleteButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
overlay.delete();
PathsPanel.this.removePath(PathPanel.this);
}
});
add(checkbox);
add(Box.createHorizontalStrut(5));
add(infoPanel);
add(Box.createHorizontalGlue());
add(colorButton);
add(saveButton);
add(deleteButton);
}
/**
* Re-draw the current overlay (if any) on the new drawing.
*
*/
public void updateOverlay() {
PathOverlay oldOverlay = this.overlay;
this.overlay = drawing.drawPath(path);
this.overlay.setColor(oldOverlay.getColor());
((ColorIcon) this.colorButton.getIcon()).setColor(this.overlay.getColor());
this.colorButton.repaint();
this.overlay.setVisible(oldOverlay.isVisible());
oldOverlay.delete();
}
/*
* (non-Javadoc)
* @see java.lang.Object#toString()
*/
public String toString() {
return "Path from #" + path.getOrigin().getId() + " to #"
+ path.getDestination().getId();
}
}
// Solution
private Drawing drawing;
public PathsPanel(Component parent) {
super();
setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
setBorder(new EmptyBorder(15, 15, 15, 15));
// Default hidden
this.setVisible(false);
}
public void addPath(Path path) {
this.add(new PathPanel(path));
this.setVisible(true);
this.revalidate();
this.repaint();
}
protected void removePath(PathPanel panel) {
PathsPanel.this.remove(panel);
PathsPanel.this.revalidate();
PathsPanel.this.repaint();
if (this.getComponentCount() == 0) {
this.setVisible(false);
}
}
@Override
public void newGraphLoaded(Graph graph) {
for (Component c: this.getComponents()) {
if (c instanceof PathPanel) {
((PathPanel) c).overlay.delete();
}
}
this.removeAll();
this.setVisible(false);
}
@Override
public void onDrawingLoaded(Drawing oldDrawing, Drawing newDrawing) {
if (newDrawing != drawing) {
drawing = newDrawing;
}
}
@Override
public void onRedrawRequest() {
for (Component c: this.getComponents()) {
if (c instanceof PathPanel) {
((PathPanel) c).updateOverlay();
}
}
}
}