package cn.edu.tju.simulation.swing.map;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;
import java.awt.geom.Point2D;
import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import cn.edu.tju.simulation.controller.Controller;
import cn.edu.tju.simulation.swing.operator.Operator;
import cn.edu.tju.simulation.swing.operator.Signal;
import cn.edu.tju.simulation.user.MobilityModel;
import cn.edu.tju.simulation.wirelessnetwork.BaseStation;
import cn.edu.tju.simulation.wirelessnetwork.WirelessNetwork;
/**
* Canvas
* @author Wenkai Li ,School of Computer Science and Technology ,Tianjin University
*
*/
@SuppressWarnings("serial")
public class MapCanvas extends JPanel implements MouseWheelListener {
/**
* Controller
*/
private Controller controller;
/**
* Base station icon
*/
private File BSFile;
/**
* Base station schematic
*/
private Image image;
/**
* Right-click menu
*/
private JPopupMenu popupMenu;
/**
* Right-click menu options - delete
*/
private JMenuItem delete;
/**
* Right-click menu options - configuration
*/
private JMenuItem configure;
/**
* Right-click menu options - Clear Canvas
*/
private JMenuItem clear;
/**
* Selected base station
*/
private WirelessNetwork selectedNetwork;
public MapCanvas() {
this.setPreferredSize(new Dimension(1000, 1000));
this.setBackground(Color.white);
initial();
addListener();
//��ͼ����
new Thread(new PaintThread()).start();
}
/**
* Draw on the canvas
*/
public void paint(Graphics g) {
// Call the parent class function to complete initialization
super.paint(g);
if(controller!=null && controller!=null){
//Draw base station
for (int i = 0; i < controller.getWirelessNetworkGroup().getBSAmount(); i++) {
WirelessNetwork network = controller.getWirelessNetworkGroup().BS.getNetwork(i);
int x = (int) network.getLocation().getX();
int y = (int) network.getLocation().getY();
int radius = network.getRadius();
// Draw a circle
g.drawOval(x - (radius), (y - radius), radius*2,radius*2);
// Draw a Base station schematic
g.drawImage(image, x - (image.getWidth(this) / 2),y - (image.getHeight(this) / 2), this);
}
//Draw the user
for(int j= 0 ;j<controller.getUsers().getSimpleUsersAmount();j++){
MobilityModel user = controller.getUsers().getSimpleUsers().get(j);
int x = (int)(user.getLocation().getX());
int y = (int)(user.getLocation().getY());
g.fillOval(x, y, 2, 2);
}
}
}
/**
* Add keyboard and mouse events
*/
public void addListener() {
MouseAction listener = new MouseAction();
this.addMouseListener(listener);
this.addMouseMotionListener(listener);
this.addMouseWheelListener(this);
this.delete.addMouseListener(listener);
this.clear.addMouseListener(listener);
this.configure.addMouseListener(listener);
}
/**
* Get the mouse button event
* @author ���Ŀ�
*
*/
private class MouseAction extends MouseAdapter {
@SuppressWarnings("deprecation")
public void mousePressed(MouseEvent e) { // Press the left mouse button
if(e.getButton() == MouseEvent.BUTTON1){
if (Signal.Button_BS_Click) {
String radiusText = controller.getOperationPanel().getRadiusText().getText().trim();
String cacheSizeText = controller.getOperationPanel().getCacheSizeText().getText().trim();
if(!radiusText.equals("") && !cacheSizeText.equals("") &&radiusText!=null&&cacheSizeText !=null){
int radius = Integer.parseInt(radiusText);
int cacheSize = (int)(Float.parseFloat(cacheSizeText)*1024*1024);
System.out.println(cacheSize);
controller.getWirelessNetworkGroup().BS.addWirelessNetwork(new BaseStation(new Point2D.Double(e.getX(), e.getY()),true,cacheSize,radius));
controller.appendLog(null,"Add base station��Coordinates("+e.getX()+","+e.getY()+") Cache size "+controller.getOperationPanel().getCacheSizeText().getText(),null);
}else{
JOptionPane.showMessageDialog(null, "Radius or Cache size can not be empty", "Prompt", JOptionPane.ERROR_MESSAGE);
}
}else if(e.getSource().equals(clear)){
controller.clearAll();
}else if(e.getSource().equals(delete) && selectedNetwork !=null){
controller.getWirelessNetworkGroup().BS.removeNetwork(selectedNetwork);
selectedNetwork = null;
}else if(e.getSource().equals(configure) && selectedNetwork !=null){
NetworkAdjust wirelessNetworkAdjust = new NetworkAdjust(selectedNetwork);
wirelessNetworkAdjust.setNetworkAdjust(wirelessNetworkAdjust);
}
}
if(e.getButton() == MouseEvent.BUTTON3){
JFrame jframe = (JFrame) getRootPane().getParent();
if(Signal.Button_BS_Click){
jframe.setCursor(Cursor.DEFAULT_CURSOR);
controller.getOperationPanel().getAddBS().setText(Operator.addBSName);
Signal.Button_BS_Click = false;
}else{
Iterator<WirelessNetwork> it = controller.getWirelessNetworkGroup().BS.getIterator();
double temp = Double.POSITIVE_INFINITY;
selectedNetwork = null;
while(it.hasNext()){
WirelessNetwork network = it.next();
double x = network.getLocation().getX();
double y = network.getLocation().getY();
double distance = Math.sqrt(Math.pow((e.getX() - x), 2) + Math.pow((e.getY() - y), 2));
if(distance < temp && distance <= network.getRadius()){
temp = distance;
selectedNetwork = network;
}
}
if(selectedNetwork != null){
popupMenu.removeAll();
popupMenu.add(delete);
popupMenu.add(configure);
popupMenu.show(e.getComponent(),e.getX(),e.getY());
// System.out.println("����ʱ"+wirelessNetwork.getNumber());
}else{
popupMenu.removeAll();
popupMenu.add(clear);
popupMenu.show(e.getComponent(),e.getX(),e.getY());
}
}
}
}
public void mouseEntered(MouseEvent e) { // Mouse to enter
if(Signal.Button_BS_Click){
JFrame jframe = (JFrame) getRootPane().getParent();
jframe.setCursor(Toolkit.getDefaultToolkit().createCustomCursor(
new ImageIcon("src/main/resources/images/BS.png").getImage(),
new Point(10, 20), "stick"));
}
}
@SuppressWarnings("deprecation")
public void mouseExited(MouseEvent e) { // Mouse to exit
JFrame jframe = (JFrame) getRootPane().getParent();
jframe.setCursor(Cursor.DEFAULT_CURSOR);
}
public void mouseMoved(MouseEvent e) { // Mouse move
setToolTipText("(" + e.getX() + "," + e.getY() + ")");
}
}
/**
* Mouse wheel scroll event
* @author ���Ŀ�
*
*/
public void mouseWheelMoved(MouseWheelEvent e) {
}
public void initial() {
this.controller = Controller.getInstance();
this.BSFile = new File("src/main/resources/images/BS.png");
popupMenu = new JPopupMenu(); //Pop-up menu
delete = new JMenuItem("Delete");
configure = new JMenuItem("Configure");
clear = new JMenuItem("Clear");
this.selectedNetwork = null;
// Draw base station
try {
// image = ImageIO.read(BSFile).getScaledInstance(25, 55, 1);
image = ImageIO.read(BSFile);
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Drawing thread
*/
private class PaintThread implements Runnable {
public void run() {
while (true) {
repaint();
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
public File getBSFile() {
return BSFile;
}
public void setBSFile(File BSFile) {
this.BSFile = BSFile;
}
public Controller getController() {
return controller;
}
public void setController(Controller controller) {
this.controller = controller;
}
}
