EditorNew

package editor; import java.awt.BorderLayout; import java.awt.Dimension; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextArea; import java.awt.*; import javax.swing.JMenuBar; import javax.swing.JMenu; import javax.swing.JMenuItem; import javax.swing.JRadioButtonMenuItem; import javax.swing.JCheckBoxMenuItem; import javax.swing.ButtonGroup; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; //导入字体类 import java.awt.Font; //导入“打开”文件对话框类 import javax.swing.JFileChooser; //导入io包 import java.io.*; import javax.swing.JPopupMenu; import java.awt.event.MouseEvent; import java.awt.event.MouseAdapter; import java.awt.event.WindowEvent; import java.awt.event.WindowAdapter; import javax.swing.JOptionPane;//模式对话框类 /** * <p>Title: </p> * * <p>Description: </p> * * <p>Copyright: Copyright (c) 2007</p> * * <p>Company: </p> * * @author not attributable * @version 1.0 */ public class EditFrm extends JFrame { JPanel contentPane; BorderLayout borderLayout1 = new BorderLayout(); JTextArea txaContent = new JTextArea(); JMenuBar jMenuBar1 = new JMenuBar(); JMenu mnuFile = new JMenu(); JMenuItem mnuNew = new JMenuItem(); JMenuItem mnuOpen = new JMenuItem(); JMenuItem mnuSave = new JMenuItem(); JMenuItem mnuSaveAs = new JMenuItem(); JMenuItem mnuExit = new JMenuItem(); JMenu mnuEdit = new JMenu(); JMenu mnuEditable = new JMenu(); JRadioButtonMenuItem mnuUnlocked = new JRadioButtonMenuItem(); JRadioButtonMenuItem mnuLocked = new JRadioButtonMenuItem(); JMenu mnuFormat = new JMenu(); JMenu mnuStyle = new JMenu(); JCheckBoxMenuItem mnuBold = new JCheckBoxMenuItem(); JCheckBoxMenuItem mnuItalic = new JCheckBoxMenuItem(); JMenu mnuBackground = new JMenu(); JRadioButtonMenuItem mnuColorWhite = new JRadioButtonMenuItem(); JRadioButtonMenuItem mnuColorBlack = new JRadioButtonMenuItem(); JMenu mnuForeground = new JMenu(); JRadioButtonMenuItem mnuColorRed = new JRadioButtonMenuItem(); JRadioButtonMenuItem mnuColorGreen = new JRadioButtonMenuItem(); ButtonGroup btngrpLock = new ButtonGroup(); ButtonGroup btngrpForeColor = new ButtonGroup(); ButtonGroup btngrpBackColor = new ButtonGroup(); JFileChooser fcSelect = new JFileChooser();//"打开"文件对话框对象 File file = null;//记录当前打开文件对象 JPopupMenu jPopupMenu1 = new JPopupMenu(); JMenuItem mnuRed = new JMenuItem(); JMenuItem mnuBlue = new JMenuItem(); public EditFrm() { try { setDefaultCloseOperation(EXIT_ON_CLOSE); jbInit(); } catch (Exception exception) { exception.printStackTrace(); } } /** * Component initialization. * * @throws java.lang.Exception */ private void jbInit() throws Exception { contentPane = (JPanel) getContentPane(); contentPane.setLayout(borderLayout1); this.setJMenuBar(jMenuBar1); setSize(new Dimension(400, 300)); setTitle("文本编辑器"); this.addWindowListener(new EditFrm_this_windowAdapter(this)); txaContent.setText(""); txaContent.addMouseListener(new EditFrm_txaContent_mouseAdapter(this)); mnuFile.setText("文件"); mnuNew.setText("新建"); mnuOpen.setText("打开"); mnuOpen.addActionListener(new EditFrm_mnuOpen_actionAdapter(this)); mnuSave.setText("保存"); mnuSave.addActionListener(new EditFrm_mnuSave_actionAdapter(this)); mnuSaveAs.setText("另存为"); mnuSaveAs.addActionListener(new EditFrm_mnuSaveAs_actionAdapter(this)); mnuExit.setText("退出"); mnuEdit.setText("编辑"); mnuEditable.setText("可编辑"); mnuUnlocked.setText("解锁"); mnuUnlocked.addActionListener(new EditFrm_mnuUnlocked_actionAdapter(this)); mnuLocked.setText("锁定"); mnuLocked.addActionListener(new EditFrm_mnuLocked_actionAdapter(this)); mnuColorRed.addActionListener(new EditFrm_mnuColorRed_actionAdapter(this)); mnuColorGreen.addActionListener(new EditFrm_mnuColorGreen_actionAdapter(this)); mnuColorWhite.addActionListener(new EditFrm_mnuColorWhite_actionAdapter(this)); mnuColorBlack.addActionListener(new EditFrm_mnuColorBlack_actionAdapter(this)); mnuBold.addActionListener(new EditFrm_mnuBold_actionAdapter(this)); mnuItalic.addActionListener(new EditFrm_mnuItalic_actionAdapter(this)); mnuRed.setText("红色"); mnuRed.addActionListener(new EditFrm_mnuRed_actionAdapter(this)); mnuBlue.setText("蓝色"); mnuBlue.addActionListener(new EditFrm_mnuBlue_actionAdapter(this)); //将“解锁”和“锁定”加在btngrpLock组内 this.btngrpLock.add(this.mnuLocked); this.btngrpLock.add(this.mnuUnlocked); mnuFormat.setText("格式"); mnuStyle.setText("字体"); mnuBold.setText("粗体"); mnuItalic.setText("斜体"); mnuBackground.setText("背景色"); mnuColorWhite.setText("白色"); mnuColorBlack.setText("黑色"); //背景色“白色”和“黑色”加在btngrpBackColor组里 this.btngrpBackColor.add(this.mnuColorWhite); this.btngrpBackColor.add(this.mnuColorBlack); mnuForeground.setText("前景色"); mnuColorRed.setText("红色"); mnuColorGreen.setText("绿色"); //前景色“红色”和“绿色”加在btngrpForeColor组里 this.btngrpForeColor.add(this.mnuColorRed); this.btngrpForeColor.add(this.mnuColorGreen); contentPane.add(txaContent, java.awt.BorderLayout.CENTER); //先选择Swing Container中的JFileChooser,去掉contentPane.add(jFileChooser1, java.awt.BorderLayout.WEST); jMenuBar1.add(mnuFile); jMenuBar1.add(mnuEdit); jMenuBar1.add(mnuFormat); mnuFile.add(mnuNew); mnuFile.add(mnuOpen); mnuFile.addSeparator(); mnuFile.add(mnuSave); mnuFile.add(mnuSaveAs); mnuFile.addSeparator(); mnuFile.add(mnuExit); mnuEdit.add(mnuEditable); mnuEditable.add(mnuLocked); mnuEditable.add(mnuUnlocked); mnuFormat.add(mnuStyle); mnuFormat.add(mnuBackground); mnuFormat.add(mnuForeground); mnuStyle.add(mnuBold); mnuStyle.add(mnuItalic); mnuBackground.add(mnuColorWhite); mnuBackground.add(mnuColorBlack); mnuForeground.add(mnuColorRed); mnuForeground.add(mnuColorGreen); jPopupMenu1.add(mnuRed); jPopupMenu1.add(mnuBlue); } //锁定 public void mnuLocked_actionPerformed(ActionEvent e) { this.txaContent.setEditable(false); } //解锁 public void mnuUnlocked_actionPerformed(ActionEvent e) { this.txaContent.setEditable(true); } //设置编辑框内文字的颜色为红色 public void mnuColorRed_actionPerformed(ActionEvent e) { this.txaContent.setForeground(Color.RED); } //设置编辑框内文字的颜色为绿色 public void mnuColorGreen_actionPerformed(ActionEvent e) { this.txaContent.setForeground(Color.GREEN); } //设置编辑框背景色为白色 public void mnuColorWhite_actionPerformed(ActionEvent e) { this.txaContent.setBackground(Color.WHITE); } //设置编辑框背景色为黑色 public void mnuColorBlack_actionPerformed(ActionEvent e) { this.txaContent.setBackground(Color.BLACK); } //设置粗体(import java.awt.Font;) public void mnuBold_actionPerformed(ActionEvent e) { boolean state = this.mnuBold.getState(); if (state) { Font oldFont = this.txaContent.getFont(); String fontName =oldFont.getName();//字体 int fontStyle = oldFont.getStyle();//字形 int fontSize = o