Java实现的多标签记事本

package com.woxiaoe; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Component; import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.Font; import java.awt.Toolkit; 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.awt.font.TextAttribute; import java.io.File; import java.util.HashMap; import java.util.Iterator; import java.util.Map; import java.util.Vector; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JComboBox; 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.JPanel; import javax.swing.JPopupMenu; import javax.swing.JScrollPane; import javax.swing.JTabbedPane; import javax.swing.JTextArea; import javax.swing.JToolBar; import javax.swing.KeyStroke; import javax.swing.SwingUtilities; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; import com.woxiaoe.Vo.FileAppend; import com.woxiaoe.control.FontAction; import com.woxiaoe.control.FontStyleAction; import com.woxiaoe.control.MainAction; import com.woxiaoe.control.MenuAction; import com.woxiaoe.control.PopupMenuAction; import com.woxiaoe.util.FileUtil; import com.woxiaoe.util.FileUtilImpl; import com.woxiaoe.util.Session; public class MainFrame extends JFrame{ private JPanel mainPanel; private JPopupMenu popupMenu; private JMenuBar menuBar; //文件菜单，编辑菜单，设置菜单，关于菜单 private JMenu fileMenu,editMenu,optionenu,helpMenu,lookMenu; private JScrollPane editPane; private JTextArea textArea; public JTabbedPane tabbedPane; //状态条 private JLabel stateLabel; //字体选择 private JComboBox fontNameBox ,fontSizeBoxt; //三种字体样式的按钮 和颜色选择按钮 private JButton boldBtn,italicBtn,underlineBtn,colorBtn; private JToolBar toolBar; private String[] FileMenuItemStr = {"新建-N","打开-O","保存-S","另存为-L","全部保存-A","","加密-E","解密-D","","退出-Q"}; private String[] editMenuItemStr = {"复制-C","剪切-X","粘贴-C","","背景-B","","自动换行-A"}; private String[] helpMenuItemStr ={"帮助-H","关于-A","自述文件-R"}; private String[] toolBarBtnItemStr = {"新建-pic/new.gif","打开-pic/open.gif","保存-pic/save.gif","加密-pic/decode.gif","解密-pic/encode.gif"}; private String[] popupMenuItemStr = {"复制(C)","剪切(X)","粘贴(V)","","背景","","保存","关闭"}; int fileNum = 1; public Vector<JTextArea> textAreas = new Vector<JTextArea>();//储存当前的文本框 public Map<JTextArea,FileAppend> fileState = new HashMap<JTextArea, FileAppend>(); public int currentFileNum = 1;//当前文件数量 private MainAction action = new MainAction(this); private PopupMenuAction popupAction = new PopupMenuAction(); private MenuAction menuAction = new MenuAction(); private FontAction fontAction = new FontAction(); private FontStyleAction fontStyleAction = new FontStyleAction(); private boolean wrap = true;//自动换行 默认为true； //private boolean fileState = false;//文件状态 public MainFrame(){ this.setTitle("ENotePad"); this.setIconImage(new ImageIcon("pic/eclipse.gif").getImage()); this.setJMenuBar(buildMenu()); this.setLayout(new BorderLayout()); this.add(buildToolBar(),"North"); popupMenu = new JPopupMenu(); this.add(buildTabbedPane()); this.add(buildStateLabel(),"South"); Dimension size = Toolkit.getDefaultToolkit().getScreenSize(); size.setSize(size.getWidth(), size.getHeight()-25); this.setSize(size); this.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE); this.addWindowListener(new WindowAdapter(){ @Override public void windowClosing(WindowEvent e) { int result = JOptionPane.showConfirmDialog(null, "真的要退出？"); if(result == JOptionPane.YES_OPTION){ Session.exit(); } } }); Session.setAttribute("MainFrame", this); } private Component buildTabbedPane() { if(this.tabbedPane == null) { this.tabbedPane = new JTabbedPane(); tabbedPane.addChangeListener(new ChangeListener(){ public void stateChanged(ChangeEvent e) { System.out.println("change"); updateItem(); } }); tabbedPane.addMouseListener(new MouseAdapter(){ @Override public void mouseClicked(MouseEvent e) { int num = e.getClickCount(); if(num == 2 && e.getButton() == 1){ createNewFile("新文件" + currentFileNum++,""); } } }); } return this.tabbedPane; } //新文件 public void createNewFile(String title,String text){ if(title.length() >13){//防止文件名过长 和文件没有后缀名的情况 title = title.substring(0,8) + "…" + (title.lastIndexOf(".")!= -1?title.substring(title.lastIndexOf(".")) : ""); } tabbedPane.add(buildTextArea(text,title),title); tabbedPane.setSelectedIndex(tabbedPane.getTabCount() -1 ); initTextPane();//初始化工作区间 }; private void initTextPane() { FileAppend fileAppend = Session.getCurrentFileAppend(); JTextArea area = Session.getCurrentTextArea(); if(fileAppend.getColor() != null){ area.setBackground(fileAppend.getColor()); } updateItem(); updateTextFont(); } private Component buildTextArea(String text, String title) { JTextArea area = new JTextArea(text); area.addKeyListener(new KeyAdapter(){ @Override public void keyTyped(KeyEvent e) { changeState(); } }); area.setLineWrap(wrap);//设置自动换行 JPopupMenu popupMenu = new JPopupMenu(); addPopup(area,popupMenu); JScrollPane pane = new JScrollPane(area); FileAppend fileAppend = null; if(Session.getAttribute("fileAppend") != null){ fileAppend = (FileAppend) Session.getAttribute("fileAppend"); Session.setAttribute("fileAppend", null); }else { fileAppend = new FileAppend(); if(Session.getAttribute("path") != null){ fileAppend.setPath((String) Session.getAttribute("path")); Session.setAttribute("path", null); } fileAppend.setFileName(title); fileAppend.setState(""); fileState.put(area, fileAppend); } fileState.put(area, fileAppend); textAreas.add(area);//加入到vector中 return pane; } private JMenuBar buildMenu() { if(this.menuBar == null){ this.menuBar = new JMenuBar(); this.menuBar.add(bulidFileMenu()); this.menuBar.add(buildEditMenu()); this.menuBar.add(buildLookMenu()); this.menuBar.add(buildHelpMenu()); } return this.menuBar; } private Component buildLookMenu() { if(lookMenu == null){ lookMenu = new JMenu("风格"); UIManager.LookAndFeelInfo[] infos = Session.infos; for(final UIManager.LookAndFeelInfo info : infos){ JMenuItem menuItem = new JMenuItem(info.getName()); menuItem.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e) { try { UIManager.setLookAndFeel(info.getClassName()); SwingUtilities.updateComponentTreeUI(MainFrame.this); } catch (ClassNotFoundException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } catch (InstantiationException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } catch (IllegalAccessException e1) { // TODO 自动生成 catch 块 e1.printStackTrace(); } catch (UnsupportedLookAndFeelException e1) { // TODO 自动生成 catch 块 e1.printStackTrace();