dituimage.java

郑州市公交线路管理查询系统

package com.ljz.gongJiaoSearch;
import javax.swing.*;
import java.net.*;
import java.awt.*;
import java.io.Serializable;
import java.awt.event.*;
import java.sql.*;
import java.util.*;
import javax.swing.event.*;

public class DiTuImage extends JPanel implements Serializable, MouseListener, MouseWheelListener, MouseMotionListener,ActionListener{
	private Image img;
	private String imgName;
	private int x=-200,y,w=1033,h=732;
	private MyFace myface;
	private JPopupMenu pop;
	JMenuItem mXiuGai,mAdd,mDel;
		
	//chu shi hua you jian cai dan
	public void youJianCSH(){
		mDel=new JMenuItem("删除标记(L)",new ImageIcon("Icon/del.jpg"));
		mDel.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_D,InputEvent.CTRL_MASK));
		mDel.setMnemonic('d');//设置alt键
		mDel.addActionListener(this);
		
		mAdd=new JMenuItem("添加标记(T)");
		mAdd.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_T,InputEvent.CTRL_MASK));
		mAdd.setMnemonic('t');//设置alt键
		mAdd.addActionListener(this);
		
		mXiuGai=new JMenuItem("修改标记(X)");
		mXiuGai.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X,InputEvent.CTRL_MASK));
		mXiuGai.setMnemonic('x');//设置alt键
		mXiuGai.addActionListener(this);
		
		pop=new JPopupMenu();
		pop.add(mAdd);
//		pop.add(mXiuGai);
		pop.addSeparator();
		pop.add(mDel);
	}
	
	public DiTuImage(String name,MyFace m){
		this.addBiaoQian();
		this.myface=m;
		this.setLayout(null);
		this.setImgName(name);
		this.addMouseListener(this);
		this.addMouseWheelListener(this);
		this.addMouseMotionListener(this);
		//chu shi hua you jian
		youJianCSH();
	}
	public static Image creatImage(String imgName,Object obj){
		URL url=obj.getClass().getResource(imgName);
		return new ImageIcon(url).getImage();
	}
	int bz=0;
	protected void paintComponent(Graphics g){
		super.paintComponent(g);
		if(bz<1){
			bz++;
			w=1033;h=732;
			
		}
		if(img!=null)
			g.drawImage(img,x,y,w,h,this);
			//g.drawImage(img,0,0,this.getWidth(),this.getHeight(),this);
	}
	public void setImgName(String s){
		this.imgName=s;
		img=this.creatImage(s,this);
		w=this.getWidth();
		h=this.getHeight();
		repaint();
	}
	//采用循环方法
	ArrayList list=new ArrayList();
	//加入站点标签
	public void addBiaoQian(){
		//获取所有站点信息
		list=new ArrayList();
		this.removeAll();
		DataBaseManager dbm=new DataBaseManager();
		String strSQL="select * from zhandianxinxi";
		ResultSet rs=dbm.getResult(strSQL);
		try{
			if(!rs.first())
				return;
			//rs.first();
			while(!rs.isAfterLast()){
				debug("you");
				double x=rs.getInt(2);
				double y=rs.getInt(3);
				//检查类型
				String se=rs.getString(4);
				if(!se.equals("公交站点"))
					continue;
				String s=rs.getString(1);
				//if(w>=1756)
				//	return;
				double bl=1756.0/w;
				debug(""+bl);
				x/=bl;
				y/=bl;
				int x1=(int)x;
				int y1=(int)y;
				x1+=this.x;
				y1+=this.y;
				if(this.isAdd(x1,y1)){
					JLabel l=new JLabel(s);
					this.add(l);
					list.add(l);
					int f=s.length()*13;
					//l.setBounds(x1-f/2,y1-5,f,15);
					l.setBounds(x1-10,y1-5,f,15);
					l.setVisible(true);
					l.setToolTipText(s);
					l.addMouseListener(this);
					if(aa!=null && aa.indexOf(s)!=-1)
						l.setForeground(Color.red);
					else
						l.setForeground(Color.blue);
					l.setOpaque(true);
					l.setBackground(Color.white);
				}
				rs.next();
			}
			dbm.closeConnection();
		}catch(Exception e){
			e.printStackTrace();
		}
		
	}
	public void debug(String s){
		System.out.println(s);
	}
	
	//kan kan shi fou ke yi jia jin qu
	private final int J=50;
	public boolean isAdd(int x,int y){
		if(x<0|| y<0 || x<this.x||y<this.y||x+10>this.w+this.x||y>this.h+this.y)
			return false;
		for(int i=0;i<list.size();i++){
			int x1=((JLabel)list.get(i)).getX(),y1=((JLabel)list.get(i)).getY(),x3=0;
			x3=(int)Math.sqrt(Math.pow(x1-x,2)+Math.pow(y1-y,2));
			if(x3<J)
				return false;
		}
		return true;
	}
	public void setLabelForColor(Color c){
		for(int i=0;i<list.size();i++){
			((JLabel)list.get(i)).setForeground(c);
			aa=null;
		}
	}
	private boolean shujuluru=false;
	//shu ju lu ru
	public void shuJuLuRu(){
		shujuluru=true;
		x=-100;
		y=-100;
		h=1244;
		w=1756;
		repaint();
		addBiaoQian();
	}
	
	
	 
	 
	 
	 //鼠标事件开始
	int k1,k2;
	String aa;
	public void mouseClicked(MouseEvent e) {
		if(e.getSource() instanceof JLabel && e.getButton()==1 && e.getClickCount()==1){
			JLabel b=(JLabel)e.getSource();
			if(myface.setQiShiDian(b.getText())){
				b.setForeground(Color.red);
				aa+=b.getText();
			}else{
				myface.setChongXinKaiShi();
				myface.setQiShiDian(b.getText());
				b.setForeground(Color.red);	
				aa+=b.getText();
			}	
		}else if(e.getButton()==3 && e.getClickCount()==1 && e.getSource()==this && shujuluru){
			debug("you ji wo le");
			pop.show(this,e.getX(),e.getY());
			mAdd.setEnabled(true);
			mXiuGai.setEnabled(false);
			mDel.setEnabled(false);
		}else if(e.getButton()==3 && e.getClickCount()==1 && e.getSource() instanceof JLabel && shujuluru){
			JLabel b=(JLabel)e.getSource();
			pop.show(b,e.getX(),e.getY());
			mAdd.setEnabled(false);
			mXiuGai.setEnabled(true);
			mDel.setEnabled(true);
		}
		//记录数据  准备存储
		if(shujuluru){
			if(e.getSource() instanceof JLabel)
				jdLabel=(JLabel)e.getSource();
			int f1=e.getX()-this.x;
			int f2=e.getY()-this.y;
			double d=1756.0/this.w;
			f1=(int)(f1*d);
			f2=(int)(f2*d);
			this.p=new Point(f1,f2);
		}
	}
	public void mousePressed(MouseEvent e) {
		if(e.getButton()==1){
			k1=e.getX();
			k2=e.getY();
		}
	}
	public void mouseReleased(MouseEvent e) {}
	public void mouseEntered(MouseEvent e) {}
	public void mouseExited(MouseEvent e) {}
	public void mouseMoved(MouseEvent e) {}
	
	public void mouseDragged(MouseEvent e) {
		int x1=e.getX();
		int y1=e.getY();
		x1-=k1;
		y1-=k2;
		final int bz=50;
		//if(x+x1<bz && y+y1<bz && ){
			x+=x1;
			y+=y1;
		//}
		repaint();
		k1=e.getX();
		k2=e.getY();
		addBiaoQian();
	}
//滚轮鼠标事件
	public void mouseWheelMoved(MouseWheelEvent e) {
		//if(!shujuluru){
		int a=e.getWheelRotation();
		if(w<300 && a<0)
			return;
			final int B=40;
			int c=a*B/2,d=B*a;
			x-=c;w+=d;
			//if(w>=1700 && a>0)
		//		return;
			int h1=h;
			h=1244*w/1756;
			y-=(h-h1)/2;
			repaint();
			addBiaoQian();
		//}
	}
	
	
	

	/**
	 * Method actionPerformed
	 *
	 *
	 * @param e
	 *
	 */
	//添加  删除  修改  数据
	private JLabel jdLabel;
	private Point p;
	public void actionPerformed(ActionEvent e) {
		if(e.getSource()==mAdd){
			BiaoJiSheZhi bj=new BiaoJiSheZhi(p,this,myface);
		}else if(e.getSource()==mDel){
			DataBaseManager dbm=new DataBaseManager();
			String strSQL="delete * from zhandianxinxi where name='"+jdLabel.getText()+"'";
			dbm.updateSql(strSQL);
			dbm.closeConnection();
			addBiaoQian();
		}else if(e.getSource()==mXiuGai){
			
		}
	}

	public boolean isShujuluru() {
		return shujuluru;
	}

	public void setShujuluru(boolean shujuluru) {
		this.shujuluru = shujuluru;
	}
}