ok.rar_java shape editor_图形编辑器

import java.awt.*; import java.awt.event.*; import java.awt.Color; import java.io.*; import java.util.*; import java.util.HashSet; import java.util.Set; import java.awt.datatransfer.*; import java.awt.event.*; import java.text.*; import javax.swing.*; import javax.swing.event.*; import javax.swing.text.Caret; import javax.swing.JFrame; import javax.swing.JTextPane; import javax.swing.SwingUtilities; import javax.swing.event.DocumentEvent; import javax.swing.event.DocumentListener; import javax.swing.text.BadLocationException; import javax.swing.text.Document; import javax.swing.text.Style; import javax.swing.text.StyleConstants; import javax.swing.text.StyledDocument; import javax.swing.undo.*; public class ok{ public static void main(String[] args) { myfr fr=new myfr ("我的java编辑器"); fr.setSize(600,400); } } ///////////////////////////myfr主窗体类////////////////////////////////////// class myfr extends JFrame implements ActionListener { String str,strnext,path,fname; //部分变量的声明 JPanel mainpane; JFileChooser choose = new JFileChooser(); //文件对话框 Dialog find,replace; //find为查找对话框，replace对话框 JTextField findtxt,repltxt; //find为查找对话框的输入文本区，replace对话框的输入文本区 Font newfont; JButton findenter,replb,but; //find为查找对话框，replace对话框的确定按钮 JLabel state=new JLabel("java编辑器------未命名文档"); //状态栏 JTextPane txt1; //主输入文本区 File newfiles; JPopupMenu popm; //弹出菜单声明 JMenu m1,m2,m3,m4,m5,m6; //各菜单项 JMenuItem m61,m62,m26,m271,m34,m51,m52,m53,m54,p_copy,p_cut,p_paste,p_del,font; int startp,endp,nexttemp,newstartp,newendp; //查找替换时所用的临时变量 JToolBar toolbar = new JToolBar(); //工具条 private Set<String> keywords; private Set<String> classwords; private Style keywordStyle; private Style classwordStyle; private Style normalStyle; myfr(String sss) /////构造函数开始 { super(sss); JMenuBar mb=new JMenuBar(); fname=null; //初始文件名为空 findenter=new JButton("确定"); findenter.addActionListener(this); //声明对话框中上确定按钮，并注册事件 replb=new JButton("确定"); replb.addActionListener(this); mainpane=(JPanel)this.getContentPane(); mainpane.setLayout(new BorderLayout()); txt1=new JTextPane(); txt1.getDocument().addDocumentListener(new SyntaxHighlighter(txt1)); txt1.addMouseListener(new handlemouse(this));//注册鼠标右击事件 txt1.setFont(new Font("宋体",Font.PLAIN,18)); mainpane.add(txt1, BorderLayout.CENTER); mainpane.add("North",toolbar); mainpane.add("South",state); JScrollPane sll = new JScrollPane(); //创建滚动条 mainpane.add("Center", sll); ; sll.getViewport().add(txt1); //将滚动条装入文本区 popm=new JPopupMenu(); ////POPMeun 开始 p_copy=new JMenuItem("复制 "); p_copy.addActionListener(this); KeyStroke keycopyp=KeyStroke.getKeyStroke(KeyEvent.VK_C,Event.CTRL_MASK); p_copy.setAccelerator(keycopyp); p_cut=new JMenuItem("剪切 "); p_cut.addActionListener(this); KeyStroke keycutp=KeyStroke.getKeyStroke(KeyEvent.VK_X,Event.CTRL_MASK); p_cut.setAccelerator(keycutp); p_paste=new JMenuItem("粘贴 "); p_paste.addActionListener(this); KeyStroke keypp=KeyStroke.getKeyStroke(KeyEvent.VK_V,Event.CTRL_MASK); p_paste.setAccelerator(keypp); p_del=new JMenuItem("删除 "); p_del.addActionListener(this); KeyStroke keydelp=KeyStroke.getKeyStroke(KeyEvent.VK_DELETE,0); p_del.setAccelerator(keydelp); popm.add(p_copy); popm.add(p_cut); popm.add(p_paste); popm.add(p_del); txt1.add(popm); ////POPMenu 结束 m1=new JMenu("文件(F)"); m1.setMnemonic('F'); //定义快捷方式 JMenuItem m10=new JMenuItem("新建 "); m10.addActionListener(this); //注册事件监听器 KeyStroke keynew=KeyStroke.getKeyStroke(KeyEvent.VK_N,Event.CTRL_MASK); //定义快捷键 m10.setAccelerator(keynew); JMenuItem m11=new JMenuItem("打开 "); m11.addActionListener(this); KeyStroke keyopen=KeyStroke.getKeyStroke(KeyEvent.VK_O,Event.CTRL_MASK); m11.setAccelerator(keyopen); JMenuItem m12=new JMenuItem("保存 "); m12.addActionListener(this); KeyStroke keysave=KeyStroke.getKeyStroke(KeyEvent.VK_S,Event.CTRL_MASK); m12.setAccelerator(keysave); JMenuItem m13=new JMenuItem("另保存为 "); m13.addActionListener(this); JMenuItem m14=new JMenuItem("退出 "); m14.addActionListener(this); KeyStroke keyexit=KeyStroke.getKeyStroke(KeyEvent.VK_F4,Event.ALT_MASK); m14.setAccelerator(keyexit); //////////////////////////////////////////// m2=new JMenu("编辑(E)"); m2.setMnemonic('E'); JMenuItem m21=new JMenuItem("复制 "); m21.addActionListener(this); KeyStroke keycopy=KeyStroke.getKeyStroke(KeyEvent.VK_C,Event.CTRL_MASK); m21.setAccelerator(keycopy); JMenuItem m22=new JMenuItem("剪切 "); m22.addActionListener(this); KeyStroke keycut=KeyStroke.getKeyStroke(KeyEvent.VK_X,Event.CTRL_MASK); m22.setAccelerator(keycut); JMenuItem m23=new JMenuItem("粘贴 "); m23.addActionListener(this); KeyStroke keyp=KeyStroke.getKeyStroke(KeyEvent.VK_V,Event.CTRL_MASK); m23.setAccelerator(keyp); JMenuItem m24=new JMenuItem("删除 "); m24.addActionListener(this); KeyStroke keydel=KeyStroke.getKeyStroke(KeyEvent.VK_DELETE,0); m24.setAccelerator(keydel); JMenuItem m25=new JMenuItem("查找 "); m25.addActionListener(this); KeyStroke keyfind=KeyStroke.getKeyStroke(KeyEvent.VK_F,Event.CTRL_MASK); m25.setAccelerator(keyfind); m26=new JMenuItem("查找下一个 "); m26.addActionListener(this); KeyStroke keyfn=KeyStroke.getKeyStroke(KeyEvent.VK_F3,0); m26.setAccelerator(keyfn); m26.setEnabled(false); JMenuItem m27=new JMenuItem("替换 "); m27.addActionListener(this); KeyStroke keyrepl=KeyStroke.getKeyStroke(KeyEvent.VK_H,Event.CTRL_MASK); m27.setAccelerator(keyrepl); m271=new JMenuItem("替换下一个"); m271.setEnabled(false); m271.addActionListener(this); KeyStroke keyrepn=KeyStroke.getKeyStroke(KeyEvent.VK_F6,0); m271.setAccelerator(keyrepn); JMenuItem m28=new JMenuItem("全选 "); m28.addActionListener(this); KeyStroke keyall=KeyStroke.getKeyStroke(KeyEvent.VK_A,Event.CTRL_MASK); m28.setAccelerator(keyall); JMenuItem m29=new JMenuItem("日期/时间 "); m29.addActionListener(this); /////////////////////////////////////////// m3=new JMenu("格式(O)"); m3.setMnemonic('O'); font=new JMenuItem("字体[F]"); font.addActionListener(this); JMenuItem m33=new JMenuItem("字体颜色 "); m33.addActionListener(this); ////////////////////////////////////////// m5=new JMenu("视图风格(V)"); m5.setMnemonic('V'); m54=new JMenuItem("状态栏 "); m54.addActionListener(this); ////////////////////////////////////////// m6=new JMenu("帮助(H)"); m6.setMnemonic('H'); m61=new JMenuItem("帮助主题 "); m61.addActionListener(this); m62=new JMenuItem("关于 "); m62.addActionListener(this); //添加各项 m1.add(m10); m1.add(m11); m1.add(m12); m1.add(m13); m1.addSeparator(); m1.add(m14);m3.add(font); m2.add(m21); m2.add(m22); m2.add(m23); m2.add(m24); m2.addSeparator(); m2.add(m25); m2.add(m26); m2.add(m27); m2.add(m271); m2.addSeparator(); m2.add(m28); m2.add(m29); m3.add(m33); m5.add(m54); m6.add(m61); m6.addSeparator(); m6.add(m62); mb.add(m1); mb.add(m2); mb.add(m3); mb.add(m5); mb.add(m6); this.setJMenuBar(mb); //设置菜单栏 setVisible(true); pack(); show(); this.addWindowListener(new xxx(this)); }///构造函数结束/// ////////////////事件处理///////////////////////////////////// public void actionPerformed(ActionEvent p) { if(p.getActionCommand()=="新建 ") //响应菜单及工具栏事件 { fname=null; //置文件名为空，便于判断文件是否保存过 txt1.setText(""); state.setText(" 我的java编辑器------未命名文档"); } if(p.getActionCommand()=="打开 ") { try { if(this.choose.APPROVE_OPTION==this.choose.showOpenDialog(this)) { path=this.choose.getSelectedFile().getPath(); fname=this.choose.getSelectedFile().getName(); File file=new File(path); int flength=(int)file.length(); FileReader fReader=new FileReader(file); char[] data=new char[flength]; fReader.read(dat