// 以下是菜单、工具栏及快捷键的命令响应方法
/** 撤消操作 */
protected void commandUndo()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
// 恢复鼠标状态
view.isPuttingImg = false;
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
if (!doc.drawObjects.isEmpty())
{
doc.drawObjects.remove(doc.drawObjects.size() - 1);
doc.setDirty(true);
doc.clearBuffer(view.bgcolor);
view.repaint();
}
}
/** 字体 */
protected void commandFont()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
// 恢复鼠标状态
view.isPuttingImg = false;
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
// 显示对话框，选择字体
DrawFontChooser chooser = new DrawFontChooser(this, "请选择字体", true, view.font);
if (chooser.showDialog())
view.font = chooser.getSelectedFont();
}
/** 新建 */
protected void commandNew()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
// 恢复鼠标状态
view.isPuttingImg = false;
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
doc.newDocument();
view.repaint();
}
/**显示示意图 */
protected void commandShow()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
// 恢复鼠标状态
view.isPuttingImg = false;
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
doc.showDocument();
view.repaint();
}
/** 保存 */
protected void commandSave()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
// 恢复鼠标状态
view.isPuttingImg = false;
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
doc.saveDocument();
}
/**打印 */
protected void commandPrint()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
// 恢复鼠标状态
view.isPuttingImg = false;
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
doc.printDLPic();
}
/** 黑色画笔 */
protected void commandBlackPen()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
// 恢复鼠标状态
view.isPuttingImg = false;
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
view.color = Color.black;
}
/** 电缆 */
protected void commandDianLan()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
view.isPuttingImg = true;
view.ImgIcon = DianLan;
setCursor(new Cursor(Cursor.HAND_CURSOR));
}
/** 传感器*/
protected void commandCGQLeft()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
view.isPuttingImg = true;
view.ImgIcon = CGQLeft;
setCursor(new Cursor(Cursor.HAND_CURSOR));
}
/** 退出系统 */
protected void exit()
{
if (doc.closeDocument())
{
dispose();
String showRes=doc.disconnectDB();
System.exit(0);
}
}
}
/** 撤消操作 */
protected void commandUndo()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
// 恢复鼠标状态
view.isPuttingImg = false;
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
if (!doc.drawObjects.isEmpty())
{
doc.drawObjects.remove(doc.drawObjects.size() - 1);
doc.setDirty(true);
doc.clearBuffer(view.bgcolor);
view.repaint();
}
}
/** 字体 */
protected void commandFont()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
// 恢复鼠标状态
view.isPuttingImg = false;
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
// 显示对话框，选择字体
DrawFontChooser chooser = new DrawFontChooser(this, "请选择字体", true, view.font);
if (chooser.showDialog())
view.font = chooser.getSelectedFont();
}
/** 新建 */
protected void commandNew()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
// 恢复鼠标状态
view.isPuttingImg = false;
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
doc.newDocument();
view.repaint();
}
/**显示示意图 */
protected void commandShow()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
// 恢复鼠标状态
view.isPuttingImg = false;
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
doc.showDocument();
view.repaint();
}
/** 保存 */
protected void commandSave()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
// 恢复鼠标状态
view.isPuttingImg = false;
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
doc.saveDocument();
}
/**打印 */
protected void commandPrint()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
// 恢复鼠标状态
view.isPuttingImg = false;
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
doc.printDLPic();
}
/** 黑色画笔 */
protected void commandBlackPen()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
// 恢复鼠标状态
view.isPuttingImg = false;
setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
view.color = Color.black;
}
/** 电缆 */
protected void commandDianLan()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
view.isPuttingImg = true;
view.ImgIcon = DianLan;
setCursor(new Cursor(Cursor.HAND_CURSOR));
}
/** 传感器*/
protected void commandCGQLeft()
{
// 如果正在编辑标签文字，则结束编辑，刷新显示
view.checkLabelEditingStatus();
view.isPuttingImg = true;
view.ImgIcon = CGQLeft;
setCursor(new Cursor(Cursor.HAND_CURSOR));
}
/** 退出系统 */
protected void exit()
{
if (doc.closeDocument())
{
dispose();
String showRes=doc.disconnectDB();
System.exit(0);
}
}
}
package draw;
import java.util.*;
import java.text.DateFormat;
import java.awt.*;
import java.awt.image.*;
import javax.swing.*;
import java.io.*;
import com.sun.image.codec.jpeg.*;
import java.awt.event.*;
import javax.swing.event.*;
import java.util.StringTokenizer;
import java.sql.*;
import java.awt.Graphics;
import java.net.URL;
import java.awt.print.*;
import java.util.Calendar;
import javax.swing.UIManager;
/**darwprint 程序的主文档类*/
public class PrintDoc
{
/** 使用该文档类的主窗口 */
protected JFrame mainFrame;
/** 与文档类相关的视图类 */
protected PrintView view;
/**使用主类 */
protected Draw draw;
protected MainFrame mf;
/** 文档的名称，不是文档在文件系统中的名称 */
protected String name = "未定标题";
/** 文档在文件系统中对应的文件对象 */
protected File file = null;
/** 文档在文件系统所处的目录 */
protected String folder = null;
/** 文档的“脏”标记，true 表示文档已经被更新，false 表示文档内容没有发生变化 */
protected boolean isDirty = false;
/** 保存当前鼠标运动轨迹的对象 */
public MouseTrack mouseTrack = new MouseTrack();
/** 指示线轨迹 */
public PointTrack pointTrack = new PointTrack();
/** 电缆中所有对象的集合 */
public Vector drawObjects = new Vector(10, 10);
/** 保存从数据库中提取的电缆图所用对象的集合 */
public Vector drawObjs = new Vector(10, 10);
/**内存缓冲区，保存要在窗口中显示的所有对象的图象，以加快对象的绘制速度，还可以加快图象文件的输出速度。*/
public BufferedImage bufferedImage =
new BufferedImage(1280, 1024, // 最大支持 1280 * 1024 的窗口大小
BufferedImage.TYPE_INT_RGB);
final static private String jdbcDriver ="oracle.jdbc.driver.OracleDriver";
private boolean connected = false;
private Connection connection = null;
private ResultSet rs = null;
private String query = null;
private String rsLine = null;
private String driver = null;
private String url = null;
private String user = null;
private String password = null;
StringBuffer sql = new StringBuffer();
String strSQL="";
int intDLID=001;
/**构造函数*/
public PrintDoc(JFrame mainFrame)
{
try
{
this.mainFrame = mainFrame;
// 设置主窗口的标题
setTitle();
}
catch(Exception ex)
{
ex.printStackTrace();
}
}
/**设置主窗口的标题*/
public void setTitle()
{
if (isDirty)
mainFrame.setTitle("Drawprint - " + name + "*");
else
mainFrame.setTitle("Drawprint - " + name);
} /**设置与文档类相关的视图类@param theView 与文档类相关的视图类*/
public void setView(PrintView theView)
{
// 设置文档类与视图类的关联
view = theView;
}
/** 设置文档的“脏”标记，即设置文档是否被更新，如被更新，则需要保存@param isDirty true 表示文档已经被更新，false 表示文档内容没有发生变化*/
public void setDirty(boolean isDirty)
{
this.isDirty = isDirty;
setTitle();
}/** 返回文档的“脏”标记@return true 表示文档已经被更新，false 表示文档内容没有发生变化*/
public boolean isDirty()
{
return isDirty;
}/** 将所有可显示对象绘制在内存缓冲区中。只画那些还没有画过的对象。@param bgcolor 绘制时使用的背景色*/
public void renderBuffer(Color bgcolor)
{
Graphics g = bufferedImage.getGraphics();
for(int i = 0; i < drawObjects.size(); i++)
{
DrawObject drawObject = (DrawObject)drawObjects.get(i);
if (!drawObject.isRendered)
{
// 调用对象的 render 方法绘制对象
drawObject.render(g, bgcolor);
// 设置该对象为已绘制
drawObject.isRendered = true;
}
}
} /**清除内存缓冲区以及所有对象的 isRendered 标记@param bgcolor 清除时使用的背景色 */
public void clearBuffer(Color bgcolor)
{
Graphics g = bufferedImage.getGraphics();
g.setColor(bgcolor);
g.fillRect(0, 0, bufferedImage.getWidth(), bufferedImage.getHeight());
// 设置电缆所有对象的标记为“没有绘制过”
int j = drawObjects.size();
for(int i = 0; i < j; i++)
{
DrawObject drawObject = (DrawObject)drawObjects.get(i);
drawObject.isRendered = false;
}
}/**关闭当前文档，如果文档更新过但没有存盘则提示存盘@return 提问保存时，用户如选择“取消”或关闭窗口，则返回false，否则返回true*/
protected boolean closeDocument()
{
if (isDirty())
{
int ret = JOptionPane.showConfirmDialog(mainFrame, "文档 " + name + " 尚未保存。是否保存？",
"提示", JOptionPane.YES_NO_CANCEL_OPTION);
if (ret == JOptionPane.YES_OPTION)
return saveDocument();
else if (ret == JOptionPane.NO_OPTION)
return true;
else
return false;
}
else
return true;
} /**新建文档*/
public void newDocument()
{
if (!closeDocument())
return;
name = "未定标题";
file = null;
setDirty(false);
clearBuffer(view.bgcolor);
drawObjects.clear();
mouseTrack.clear();
pointTrack.clear();
}
/**保存文档 @return 如果保存过程中用户取消操作，则返回false，否则返回true*/
public boolean saveDocument()
{
if (!isDirty())
return true;
for(int i = 0; i < drawObjects.size(); i++)
{
DrawObject drawObject = (DrawObject)drawObjects.get(i);
if (!drawObject.isSaved)
{
if(drawObject.typeID==30){ //标签对象
DrawLabel drawlabel = (DrawLabel)drawObjects.get(i);
int cx=drawlabel.x;
int cy=drawlabel.y;
String strColor=drawlabel.color.toString();
String strFont=drawlabel.font.toString();
String strCap=drawlabel.text.toString();
sql.append("Insert into BIAOQIANXinXi(BIAOQIANID,CX,CY,DIANLANID,");
sql.append(" COLOR,FONT,CAPTION ) Values(" );
sql.append(" BIAOQIANXinXiIndex.nextval ");
sql.append(" ,"+cx+","+cy+",001,'"+strColor+"','"+strFont+"','"+strCap+"')");
strSQL = sql.toString();
sql.setLength(0);
String showRes=UpdateDB(strSQL);
//int ret = JOptionPane.showConfirmDialog(mainFrame,"showRes="+showRes, "提示", JOptionPane.CANCEL_OPTION);
}else if(drawObject.typeID==3){ //直线对象
DrawLine drawline = (DrawLine)drawObjects.get(i);
int cx1=drawline.x1;
int cy1=drawline.y1;
int cx2=drawline.x2;
int cy2=drawline.y2;
String strColor=drawline.color.toString();
sql.append("Insert into XIANDUANXinXi(XIANDUANID,CX1,CY1,CX2,CY2,DIANLANID,");
sql.append(" COLOR ) Values(" );
sql.append(" XIANDUANXinXiIndex.nextval ");
sql.append(" ,"+cx1+","+cy1+","+cx2+","+cy2+",001,'"+strColor+"')");
strSQL = sql.toString();
sql.setLength(0);
String showRes=UpdateDB(strSQL);
}else if(drawObject.typeID==25){ //图标对象
DrawIcon drawicon = (DrawIcon)drawObjects.get(i);
int cx=drawicon.x;
int cy=drawicon.y;
String strIconType=drawicon.icon.toString();
sql.append("Insert into TUXINGXinXi(TUXINGID,TYPE,CX,CY,");
sql.append(" DIANLANID ) Values(");
sql.append(" TUXINGXinXiIndex.nextval ");
sql.append(" ,'"+strIconType+"',"+cx+","+cy+",001)");
strSQL = sql.toString();
sql.setLength(0);
String showRes=UpdateDB(strSQL);
//int ret = JOptionPane.showConfirmDialog(mainFrame,"strIconType="+strIconType+"showRes="+showRes, "提示", JOptionPane.CANCEL_OPTION);
}
drawObject.isSaved = true;
}
}
return true;
}
public void showDocument()
{
ResultSet rs=null;
int intLeftPosi = 0;
int intRightPosi = 0; newDocument();
if (!connected) {
int ret = JOptionPane.showConfirmDialog(mainFrame,"No database connected.", "提示", JOptionPane.CANCEL_OPTION);
} else {
if (connection == null) {
int ret = JOptionPane.showConfirmDialog(mainFrame,"Database connection error.", "提示", JOptionPane.CANCEL_OPTION);
} else {
try {
Statement stmt = connection.createStatement();
//获得当前电缆在数据库中的标签对象，并存入Vector对象
sql.append("Select CX,CY,COLOR,FONT,CAPTION ");
sql.append(" from BIAOQIANXinXi ");
sql.append(" where DIANLANID="+intDLID+" ");
strSQL = sql.toString();
sql.setLength(0);
rs = stmt.executeQuery(strSQL);
while(rs.next()){
int x=rs.getInt("CX");
int y=rs.getInt("CY");
String strColor=rs.getString("COLOR");
String strFont=rs.getString("FONT");
String strCap=rs.getString("CAPTION");
intLeftPosi = strColor.lastIndexOf("[");
intRightPosi = strColor.lastIndexOf("]");
strColor = strColor.substring(intLeftPosi+1,intRightPosi);
StringTokenizer item = new StringTokenizer(strColor, ",");
String sR = item.nextToken();
String sG = item.nextToken();
String sB = strColor.substring(strColor.lastIndexOf(",") + 1);
sR = sR.substring(sR.lastIndexOf("=") + 1);
sG = sG.substring(sG.lastIndexOf("=") + 1);
sB = sB.substring(sB.lastIndexOf("=") + 1);
int intR=Integer.parseInt(sR);
int intG=Integer.parseInt(sG);
int intB=Integer.parseInt(sB);
Color color = new Color(intR,intG,intB);
intLeftPosi = strFont.lastIndexOf("[");
intRightPosi = strFont.lastIndexOf("]");
strFont = strFont.substring(intLeftPosi+1,intRightPosi);
item = new StringTokenizer(strFont, ",");
String sFamily = item.nextToken();
String sName = item.nextToken();
String sStyle = item.nextToken();
String sSize =strFont.substring(strFont.lastIndexOf(",") + 1);
sFamily = sFamily.substring(sFamily.lastIndexOf("=") + 1);
sName = sName.substring(sName.lastIndexOf("=") + 1);
sStyle = sStyle.substring(sStyle.lastIndexOf("=") + 1);
sSize = sSize.substring(sSize.lastIndexOf("=") + 1);
int intSize=Integer.parseInt(sSize);
int fontStyle = 0;
if(sStyle.equals("plain"))
fontStyle = Font.PLAIN;
else if (sStyle.equals("italic"))
fontStyle = Font.ITALIC;
else if (sStyle.equals("bold"))
fontStyle = Font.BOLD;
else if (sStyle.equals("italic|bold"))
fontStyle = Font.ITALIC | Font.BOLD;
Font font = new Font(sFamily,fontStyle,intSize);
DrawObject drawObj = new DrawLabel(strCap, x, y, color, font, false);
if (drawObj != null)
drawObjs.add(drawObj);
}
rs.close();
//获得当前电缆在数据库中的线段对象，并存入Vector对象
sql.append("Select CX1,CY1,CX2,CY2,COLOR ");
sql.append(" from XIANDUANXinXi ");
sql.append(" where DIANLANID="+intDLID+" ");
strSQL = sql.toString();
sql.setLength(0);
rs = stmt.executeQuery(strSQL);
while(rs.next()){
int x1=rs.getInt("CX1");
int y1=rs.getInt("CY1");
int x2=rs.getInt("CX2");
int y2=rs.getInt("CY2");
String strColor=rs.getString("COLOR");
intLeftPosi = strColor.lastIndexOf("[");
intRightPosi = strColor.lastIndexOf("]");
strColor = strColor.substring(intLeftPosi+1,intRightPosi);
StringTokenizer item = new StringTokenizer(strColor, ",");
String sR = item.nextToken();
String sG = item.nextToken();
String sB = strColor.substring(strColor.lastIndexOf(",") + 1);
sR = sR.substring(sR.lastIndexOf("=") + 1);
sG = sG.substring(sG.lastIndexOf("=") + 1);
sB = sB.substring(sB.lastIndexOf("=") + 1);
int intR=Integer.parseInt(sR);
int intG=Integer.parseInt(sG);
int intB=Integer.parseInt(sB);
Color color = new Color(intR,intG,intB);
DrawObject drawObj = new DrawLine(x1,y1, x2, y2, color);
drawObjs.add(drawObj);
}
rs.close();
sql.append("Select TYPE,CX,CY ");
sql.append(" from TUXINGXinXi ");
sql.append(" where DIANLANID="+intDLID+" ");
strSQL = sql.toString();
sql.setLength(0);
rs = stmt.executeQuery(strSQL);
while(rs.next()){
String imgIcon=rs.getString("TYPE");
int x=rs.getInt("CX");
int y=rs.getInt("CY");
imgIcon=imgIcon.substring(imgIcon.lastIndexOf("/") + 1);
ImageIcon icon = new ImageIcon(getClass().getResource(imgIcon));
DrawObject drawObj = new DrawIcon(icon, x, y);
if (drawObj != null)
drawObjs.add(drawObj);
}
rs.close();
stmt.close();
} catch (SQLException e) {
e.printStackTrace();
}
//int ret = JOptionPane.showConfirmDialog(mainFrame,"显示电缆示图 ？", "提示", JOptionPane.CANCEL_OPTION);
Graphics g = bufferedImage.getGraphics();
Color bgcolor = new Color(255, 255, 255);
for(int i = 0; i < drawObjs.size(); i++){
DrawObject drawObj = (DrawObject)drawObjs.get(i);
if (!drawObj.isRendered){
// 调用对象的 render 方法绘制对象
drawObj.render(g, bgcolor);
// 设置该对象为已绘制
drawObj.isRendered = true;
}
}
}
}
}/**打印电缆示意图*/
public void printDLPic()
{
PrinterJob job = PrinterJob.getPrinterJob();
PageFormat pf = job.defaultPage();
Paper paper = new Paper();
paper.setImageableArea(14, 30, paper.getWidth()-36, paper.getHeight()-36);
pf.setPaper(paper);
pf.setOrientation(PageFormat.LANDSCAPE);
Book bk = new Book();
paintCover prn = new paintCover();
bk.append(prn, pf, 1);
job.setPageable(bk);
job.setJobName("电缆打印");
if(job.printDialog())
{
try{
job.print();
}catch(Exception ee){
System.out.println(ee);
}
}
}
public void printDL(Graphics g)
{
ResultSet rs=null;
int intLeftPosi = 0;
int intRightPosi = 0;
newDocument();
if (!connected) {
int ret = JOptionPane.showConfirmDialog(mainFrame,"No database connected.", "提示",
JOptionPane.CANCEL_OPTION);
} else {
if (connection == null) {
int ret = JOptionPane.showConfirmDialog(mainFrame,"Database connection
error.", "提示", JOptionPane.CANCEL_OPTION);
} else {
try { Statement stmt = connection.createStatement();
//获得当前电缆在数据库中的标签对象，并存入Vector对象
sql.append("Select CX,CY,COLOR,FONT,CAPTION ");
sql.append(" from BIAOQIANXinXi ");
sql.append(" where DIANLANID="+intDLID+" ");
strSQL = sql.toString();
sql.setLength(0);
rs = stmt.executeQuery(strSQL);
while(rs.next()){
int x=rs.getInt("CX");
int y=rs.getInt("CY");
String strColor=rs.getString("COLOR");
String strFont=rs.getString("FONT");
String strCap=rs.getString("CAPTION");
intLeftPosi = strColor.lastIndexOf("[");
intRightPosi = strColor.lastIndexOf("]");
strColor = strColor.substring(intLeftPosi+1,intRightPosi);
StringTokenizer item = new StringTokenizer(strColor, ",");
String sR = item.nextToken();
String sG = item.nextToken();
String sB = strColor.substring(strColor.lastIndexOf(",") + 1);
sR = sR.substring(sR.lastIndexOf("=") + 1);
sG = sG.substring(sG.lastIndexOf("=") + 1);
sB = sB.substring(sB.lastIndexOf("=") + 1);
int intR=Integer.parseInt(sR);
int intG=Integer.parseInt(sG);
int intB=Integer.parseInt(sB);
Color color = new Color(intR,intG,intB);
intLeftPosi = strFont.lastIndexOf("[");
intRightPosi = strFont.lastIndexOf("]");
strFont = strFont.substring(intLeftPosi+1,intRightPosi);
item = new StringTokenizer(strFont, ",");
String sFamily = item.nextToken();
String sName = item.nextToken();
String sStyle = item.nextToken();
String sSize =strFont.substring(strFont.lastIndexOf(",") + 1);
sFamily = sFamily.substring(sFamily.lastIndexOf("=") + 1);
sName = sName.substring(sName.lastIndexOf("=") + 1);
sStyle = sStyle.substring(sStyle.lastIndexOf("=") + 1);
sSize = sSize.substring(sSize.lastIndexOf("=") + 1);
int intSize=Integer.parseInt(sSize);
int fontStyle = 0;
if(sStyle.equals("plain"))
fontStyle = Font.PLAIN;
else if (sStyle.equals("italic"))
fontStyle = Font.ITALIC;
else if (sStyle.equals("bold"))
fontStyle = Font.BOLD;
else if (sStyle.equals("italic|bold"))
fontStyle = Font.ITALIC | Font.BOLD;
Font font = new Font(sFamily,fontStyle,intSize);
DrawObject drawObj = new DrawLabel(strCap, x, y, color, font, false);
if (drawObj != null)
drawObjs.add(drawObj);
}
rs.close();
供你参阅一下我的思路元素：线，图标
线(为起与结束坐标)鼠标点击时判断交点
点击删除时，去元素集合找(Vector或HashTable之类的)有与之相交则删除至于画ICon有现成的new Image("icon.gif");that's all.