java实现一款编辑器的源码

/**编辑器test Edition *EditFace实现了界面制作； *EditFace$FileOpen完成了打开文件功能； *EditFace$FileSave完成了保存文件功能； *Edit$FindAndReplace查找与替换窗口； *Edit$AutoSave自动备分文件线程； *Edit$SaveFileDialog保存文件对话框； *SetKey添加关键字； *SetColor设置颜色； *About程序基本介绍； *Edit组合各个窗口，并实现功能。 *by KOF 10-27-2004 */ import java.awt.*; import java.awt.event.*; import java.io.*; import java.awt.datatransfer.*; import javax.swing.*; import javax.swing.event.*; import javax.swing.colorchooser.*; class Edit extends EditFace implements ActionListener,ClipboardOwner,MouseListener,TextListener { public int flag=0; //判断文件是否被修改 SetKey setkey=new SetKey(); //添加关键字类 static SetColor setcolor=new SetColor(); //设置颜色类 Clipboard myclipboard=f.getToolkit().getSystemClipboard(); FindAndReplace fr=new FindAndReplace(); //查找与替换内部类 String information="您希望保存当前文件吗？"; SaveFileDialog sfd=new SaveFileDialog(f,"Save File--Test Edition",true,information); //弹出保存文件对话框 public Edit() { super(); ta.addTextListener(this); //添加自动保存文件线程---每两分钟保存一次 AutoSave as=new AutoSave(); as.start(); } public static void main(String[] args) { new Edit(); setcolor.set(setcolor); } public void lostOwnership(Clipboard db,Transferable contents) { } public void textValueChanged(TextEvent e) { flag=1;//文件内容以改变~ } //如果内容已变，弹出保存文件对话框，保持文件 public void saveFile() { if(flag==1) { sfd.setVisible(true);//弹出保存文件对话框 if(sfd.isSave==1&&!tfpath.getText().equals("")) { FileSave fs=new FileSave(); fs.myFileSave(tfpath.getText()); } else if((sfd.isSave==1&&tfpath.getText().equals(""))||sfd.isSave==2) { FileSave fs=new FileSave(); fs.myFileSave(); } } } public void windowClosing(WindowEvent e) { saveFile();//询问是否保存当前文件 System.exit(0); } public void actionPerformed(ActionEvent e) { //Open File if(e.getActionCommand()=="Open") { saveFile();//询问是否保存当前文件 FileOpen fo=new FileOpen(); fo.myFileOpen();//打开文件 ta.select(0,0); flag=0; } //Save File if(e.getActionCommand()=="Save") { if(tfpath.getText().equals("")) { FileSave fs=new FileSave();//保存文件 fs.myFileSave(); } else { FileSave fs=new FileSave();//保存文件 fs.myFileSave(tfpath.getText()); } flag=0; } //Save As a File if(e.getActionCommand()=="Save As") { FileSave fs=new FileSave(); fs.myFileSave(); //保存文件 flag=0; } if(e.getActionCommand()=="Exit") { saveFile();//询问是否保存当前文件 System.exit(0); } //set color if(e.getActionCommand()=="SetColor") { setcolor.setVisible(true);//设置文本区颜色 ta.setForeground(setcolor.newcolor); } //clear all content if(e.getSource()==bclearall) { saveFile();//询问是否保存当前文件 tfpath.setText("");//清除 ta.setText(""); } //set key if(e.getSource()==bsetkey) { setkey.setVisible(true);//设置关键字 } //set color if(e.getSource()==bcolor) { setcolor.setVisible(true);//设置文本区颜色 ta.setForeground(setcolor.newcolor); } if(e.getActionCommand()=="Copy")//复制到剪贴板 { if(!ta.getSelectedText().equals("")) { try { StringSelection contents=new StringSelection(ta.getSelectedText()); myclipboard.setContents(contents,this); ta.select(ta.getSelectionEnd(),ta.getSelectionEnd()); } catch(Exception ee) { System.out.println(ee); } } } if(e.getActionCommand()=="Cut")//复制到剪贴板并清楚内容 { if(!ta.getSelectedText().equals("")) try { int startpos=ta.getSelectionStart();//start position int endpos=ta.getSelectionEnd(); StringSelection contents=new StringSelection(ta.getSelectedText()); myclipboard.setContents(contents,this); ta.setText(ta.getText().substring(0,startpos)+ta.getText().substring(endpos,ta.getText().length())); ta.select(startpos,startpos); } catch(Exception ee) { System.out.println(ee); } } if(e.getActionCommand()=="Paste")//粘贴 { try { Transferable contents=myclipboard.getContents(this); String dstdata=(String)contents.getTransferData(DataFlavor.stringFlavor); int startpos=ta.getSelectionStart(); int endpos=ta.getSelectionEnd(); ta.setText(ta.getText().substring(0,startpos)+dstdata+ta.getText().substring(endpos,ta.getText().length())); ta.select(startpos+dstdata.length(),startpos+dstdata.length()); } catch(Exception ee) { System.err.println(ee); } } if(e.getActionCommand()=="Select All")//全选功能的实现 { ta.select(0,ta.getText().length()); } if(e.getActionCommand()=="Find")//查找功能的实现 { fr.setVisible(true); fr.setEnabled(false); } if(e.getActionCommand()=="Replace")//替换功能的实现 { fr.setVisible(true); fr.setEnabled(true); } if(e.getActionCommand()=="About Edit"||e.getActionCommand()=="About Me") { About about=new About(); about.setVisible(true); } } //change the color public void mouseClicked(MouseEvent mec) //单击文本区才会改变颜色 { ta.setForeground(setcolor.newcolor); } public void mousePressed(MouseEvent mep) { if(mep.getModifiers()==mep.BUTTON3_MASK)//弹出右键菜单 pm.show(ta,mep.getX(),mep.getY()); } public void mouseReleased(MouseEvent mer) { } public void mouseEntered(MouseEvent mee) { } public void mouseExited(MouseEvent mex) { } public void mouseDragged(MouseEvent med) { } //查找与替换窗口 class FindAndReplace extends WindowAdapter implements ActionListener { private Frame frame; private TextField tffind,tfreplace; private Label labfind,labreplace; private Button bfind,bfindnext,breplace,breplaceall; private Panel p1,p2,p3,p4; private Label labinfo; private String info=""; private int pos; public FindAndReplace() { frame=new Frame("Find And Replace--Test Edition"); frame.setLayout(new GridLayout(3,1)); frame.setSize(300,200); frame.setLocation(80,20); frame.setBackground(Color.lightGray); p1=new Panel(); p1.setLayout(new GridLayout(2,1)); labfind=new Label("Please input what you want to search:"); tffind=new TextField(25); p1.add(labfind); p1.add(tffind); p2=new Panel(); p2.setLayout(new GridLayout(2,1)); labreplace=new Label("Please input what you want to replace:"); tfreplace=new TextField(25); p2.add(labreplace); p2.add(tfreplace); p3=new Panel(); p3.setLayout(new FlowLayout(FlowLayout.LEFT)); bfind=new Button(" Find "); bfindnext=new Button("Find Next"); breplace=new Button(" Replace "); breplaceall=new Button("Replace All"); bfind.addActionListener(this); bfindnext.addActionListener(this); breplace.addActionListener(this); breplaceall.addActionListener(this); p3.add(bfind); p3.add(bfindnext); p3.add(breplace); p3.add(breplaceall); p4=new Panel(); p4.setLayout(new GridLayout(2,1)); labinfo=new Label(); p4.add(p3); p4.add(labinfo); frame.addWindowListener(this); frame.add(p1); frame.add(p2); frame.add(p4); } public void setVisible(boolean b) { frame.setVisible(b); pos=0; ta.select(pos,pos); } public void setEnabled(boolean b) { tfreplace.setEnabled(b); breplace.setEn