Java文档编辑器，学习Java界面，启动画面

package book.gui; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Font; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.io.BufferedInputStream; import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; //Download by http://www.codefans.net import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JDialog; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JOptionPane; import javax.swing.JScrollPane; import javax.swing.JSplitPane; import javax.swing.JTabbedPane; import javax.swing.JTable; import javax.swing.JTextArea; import javax.swing.JToolBar; import javax.swing.JTree; import javax.swing.Timer; import javax.swing.border.BevelBorder; import javax.swing.event.CaretEvent; import javax.swing.event.CaretListener; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; import javax.swing.filechooser.FileFilter; import javax.swing.text.BadLocationException; import javax.swing.tree.DefaultMutableTreeNode; /** * 一个简单的文本编辑器，能够编辑html、java、cpp、txt文件， * 并支持java的编译与运行 */ public class SimpleEditor extends JFrame { /********菜单栏、菜单和菜单项*********/ JMenuBar menuBar = new JMenuBar(); JMenu fileMenu = new JMenu("File"); JMenu optionMenu = new JMenu("Option"); JMenu advanceMenu = new JMenu("Advance"); JMenu helpMenu = new JMenu("Help"); JMenu editMenu = new JMenu("Edit"); JMenuItem newMenuItem = new JMenuItem("new"); JMenuItem openMenuItem = new JMenuItem("Open"); JMenuItem saveMenuItem = new JMenuItem("Save"); JMenuItem exitMenuItem = new JMenuItem("exit"); JMenuItem findMenuItem = new JMenuItem("Find"); JMenuItem findNextMenuItem = new JMenuItem("Find Next"); JMenuItem replaceMenuItem = new JMenuItem("Replace"); JMenuItem compileMenuItem = new JMenuItem("Compile"); JMenuItem buildMenuItem = new JMenuItem("Build"); JMenuItem stopFlashMenuItem = new JMenuItem("Stop Flash"); JMenuItem startFlashMenuItem = new JMenuItem("Start Flash"); JMenuItem helpMenuItem = new JMenuItem("Help"); JMenuItem copyMenuItem = new JMenuItem("Copy"); JMenuItem cutMenuItem = new JMenuItem("Cut"); JMenuItem pasteMenuItem = new JMenuItem("Paste"); /********文件内容的显示****/ //用多个文本域存放多个文件内容，文本域放在JScrollPane里 //而JScrollPane放在JTabbedPane中，这就是一个多页面的布局 //多个文本域，每个文本域显示一个文件的内容 JTextArea[] fileTextAreas = new JTextArea[10]; //编译或者运行时的控制台信息 JTextArea consoleTextArea = new JTextArea(); JScrollPane[] fileScrollPanes = new JScrollPane[10]; JScrollPane consoleScrollPane; //多个文本域放在不同tab里 JTabbedPane fileTabbedPane = new JTabbedPane(); /**********工具栏以及工具栏上的按钮**********/ JToolBar toolBar = new JToolBar(); JButton openButton = new JButton(new ImageIcon(loadImage("image/open.gif"))); JButton newButton = new JButton(new ImageIcon(loadImage("image/new.gif"))); JButton saveButton = new JButton(new ImageIcon(loadImage("image/save.gif"))); JButton helpButton = new JButton(new ImageIcon(loadImage("image/help.gif"))); JButton exitButton = new JButton(new ImageIcon(loadImage("image/close.gif"))); JButton compileButton = new JButton(new ImageIcon(loadImage("image/compile.gif"))); JButton buildButton = new JButton(new ImageIcon(loadImage("image/build.gif"))); JButton copyButton = new JButton(new ImageIcon(loadImage("image/copy.gif"))); JButton cutButton = new JButton(new ImageIcon(loadImage("image/cut.gif"))); JButton pasteButton = new JButton(new ImageIcon(loadImage("image/paste.gif"))); //该文本域显示当前光标在当前文本域中的行号 JTextArea showLineNoTextArea = new JTextArea(); //对话框窗体，程序中所有对话框都显示在该窗体中 JFrame dialogFrame = new JFrame(); /*****文件名以树型结构在左边显示*******/ JTree tree; DefaultMutableTreeNode root; DefaultMutableTreeNode[] nodes = new DefaultMutableTreeNode[10]; /*******组件之间的分隔栏******/ JSplitPane leftRightSplitPane; JSplitPane lineNoConsoleSplitPane; JSplitPane treeFlashSplitPane; JSplitPane tabbedLineNoSplitPane; /**********文件选择、存储相关********/ //文件过滤器 Filter fileFilter = new Filter(); //文件选择器 FileChooser fileChooser = new FileChooser(); // 文件读写控制，0表示文件选择器读文件，1文件选择器标示写文件 int fileChooser_control = 0; FileWriter fileWriter; // tabbedPane中tab页的当前数量 int tb = 1; int find_control = 0; //文本域的控制器，指向当前操作的文本域 int textAreas_control = 0; //当前文本域中的文本 String currentTextInTextArea; //标志文件是否为新建的，如果是新建的文件，为true boolean[] newFileFlags = new boolean[10]; //存放打开文件所在的目录 String[] directory = new String[10]; /********查找替换相关****/ //正在查找的字符串及其长度 String findWord; int fingWordLength; //保存正在查找的字符串在文本域中的文本的位置 int findIndex; //被替换的文本的长度 int replaceLength = 0; /********用于显示Flash的控制器****/ JLabel flashLabel = new JLabel(new ImageIcon(loadImage("image/Juggler0.gif"))); Timer timer = new Timer(100, new Act_timer()); int timerControl = 0; /********帮助相关****/ Font font = new Font("Courier", Font.TRUETYPE_FONT, 14); JTextArea helpTextArea = new JTextArea(); JFrame helpFrame = new JFrame("Help"); //构造函数 public SimpleEditor() { super("文本编辑器"); //为窗体添加键盘事件处理器 //下面这一行非常重要，表示窗体能够接受焦点。 //如果没有这一句，按键盘会无效。 this.setFocusable(true); this.addKeyListener(new MyKeyListener()); //为窗体添加窗口事件处理器 this.addWindowListener(new WindowListener()); //初始化 init(); setLocation(200, 200); setVisible(true); pack(); //初始时启动动画 timer.start(); } private void init(){ /*******初始化文本域、目录、树节点*********/ for (int i = 0; i < 10; i++) { nodes[i] = new DefaultMutableTreeNode("File" + (i + 1)); newFileFlags[i] = true; fileTextAreas[i] = new JTextArea(); // 设置文本域中文本的字体 fileTextAreas[i].setFont(font); // 为文本域的插入光标设置颜色 fileTextAreas[i].setCaretColor(Color.yellow); // 设置文本域的背景和前景颜色 fileTextAreas[i].setBackground(new Color(70, 80, 91)); fileTextAreas[i].setForeground(Color.pink); // 为文本域插入光标设置事件处理器 fileTextAreas[i].addCaretListener(new CaretLis_lineNo()); // 为文本域键盘设置事件处理器 fileTextAreas[i].addKeyListener(new MyKeyListener()); directory[i] = new String("/"); fileScrollPanes[i] = new JScrollPane(fileTextAreas[i], JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); } root = new DefaultMutableTreeNode("正在编辑的文件"); root.add(nodes[0]); tree = new JTree(root); tree.setEditable(false); tree.setForeground(new Color(200, 150, 10)); tree.setBackground(new Color(70, 80, 91)); //初始化控制台文本域 consoleTextArea.setFont(font); consoleScrollPane = new JScrollPane(consoleTextArea, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); consoleTextArea.setForeground(new Color(200, 150, 10)); consoleTextArea.setBackground(new Color(70, 80, 91)); consoleTextArea.addMouseListener(new MouseListener_console()); //初始化显示当前光标行数的文本域 showLineNoTextArea.setEnabled(false); showLineNoTextArea.setFont(font); showLineNoTextArea.setBackground(new Color(70, 80,