11232044292.java

java记事本

        textArea.select(newstartp,newendp); ////找到相应文本，并选择
        notfindmethod();
 	}
 	
 	//替换事件
 	void Replace()
 	{
 		replaceDialog = new Dialog(this,"替换"); // 创建替换对话框;
 		replaceDialog.setLocation(300,200);
        JPanel p1 = new JPanel();
        JPanel p2 = new JPanel();
        JPanel p3 = new JPanel();
        findtxt = new JTextField(7);
        repltxt = new JTextField(7);
        p1.add(new JLabel("输入原始字符:"));
        p1.add(findtxt);
        p2.add(new JLabel("输入替换字符:"));
        p2.add(repltxt);
        p3.setLayout(new FlowLayout());
        p3.add(SwapNextItem);
        p3.add(replb);
        p3.add(cancel1);
        replaceDialog.add("North",p1);
        replaceDialog.add("Center",p2);
        replaceDialog.add("South",p3);
        replaceDialog.setSize(300,150);
        replaceDialog.show();
 	}
 	
 	//点击替换对话框的确定按钮后的事件处理
 	void ReplaceEnter()
 	{
        str = textArea.getText();
        startp = str.indexOf(findtxt.getText());
        endp = startp + findtxt.getText().length();
        textArea.replaceRange(repltxt.getText(),startp,endp);
        newendp = endp; ///获取这次替换的终点
 	}
 	
 	//替换下一个事件
 	void ReplaceNext()
 	{
 		nexttemp = newendp; /////获取上次查找的终点做为未查找字符串的起点
        String strall = textArea.getText();
        textArea.select(nexttemp,strall.length()); /////选中所有未查找的字符串
        strnext = textArea.getSelectedText();
        newstartp = strnext.indexOf(findtxt.getText()) + nexttemp;/////在未查找的字符串里搜索对应字符的在TXT1中的位置
        newendp = newstartp + findtxt.getText().length();
        textArea.select(newstartp,newendp); 
        notfindmethod();
        textArea.replaceRange(repltxt.getText(),newstartp,newendp);//替换字符
 	}
   //字体窗口类
   class FontFrame extends JDialog implements ActionListener,MouseListener
   {
	    private Font font = null;
	    private JTextArea t;//用于显示示例中文字
	    private JLabel Word_style = new JLabel("字体:");
	    private JLabel Word_Type = new JLabel("字形:");
     	private JLabel Word_Big = new JLabel("大小:");
    	private JLabel example = new JLabel("示例:");
      	private JButton Ok = new JButton("确定");
    	private JButton Cancel = new JButton("取消");
    	//private javax.swing.ListModel
	    private java.awt.List style = new java.awt.List();
	    private java.awt.List WBig = new java.awt.List();
     	private JTextField Word = new JTextField("常规");
    	private JTextField localbig = new JTextField("20");
     	private JTextField Type_text = new JTextField("宋体");
    	private java.awt.List WType_list = new java.awt.List();
    	private String []Font_list = GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
 	
	    public FontFrame(JFrame fra,String str,Font font)
	    { 
	        super(fra,str);
	        this.font = font;
	        setup_font();
	        this.setLocation(300,200);
	        setModal(true);
    	    setSize(400,300);
	    	style.select(0);
	    	WBig.select(6);
	    	WType_list.addMouseListener(this);
	    	style.addMouseListener(this);
	    	WBig.addMouseListener(this);
	      	Ok.addActionListener(this);
	    	Cancel.addActionListener(this);
	        show();
     	}
	
    	void setup_font()
    	{
	    	for(int i = 0;i < Font_list.length;i++)
	    	{
			    WType_list.add(Font_list[i]);
		    }
		
		    WBig.add("8");
	    	WBig.add("9");
	    	WBig.add("10");
	      	WBig.add("12");
	     	WBig.add("14");
	    	WBig.add("16");
	    	WBig.add("20");
	     	WBig.add("22");
	    	WBig.add("24");
	     	WBig.add("26");
	    	WBig.add("28");
	     	WBig.add("36");
	     	WBig.add("40");
	    	WBig.add("50");
	     	WBig.add("72");
	    	style.add("常规");
	    	style.add("粗体");
	    	style.add("斜体");
	     	style.add("斜粗体");
	     	Word.setEnabled(false);Type_text.setEditable(false);
		
	    	JPanel panel1 = new JPanel();
	    	panel1.setLayout(new BorderLayout());
	     	panel1.add("North",Word_style);
	     	panel1.add("Center",Type_text);
	     	panel1.add("South",WType_list);
	     	JPanel panel2 = new JPanel();
	    	panel2.setLayout(new BorderLayout());
	     	panel2.add("North",Word_Type);
	      	panel2.add("Center",Word);
	      	panel2.add("South",style);
	     	JPanel panel3 = new JPanel();
	    	panel3.setLayout(new BorderLayout());
	     	panel3.add("North",Word_Big);
	     	panel3.add("Center",localbig);
	    	panel3.add("South",WBig);
	    	JPanel panel4 = new JPanel();
	     	panel4.setLayout(new FlowLayout());
	    	panel4.add(Ok);
	    	panel4.add(Cancel);
		    JPanel panel0 = new JPanel();
	    	panel0.setLayout(new GridLayout(1,3));
	    	panel0.add(panel1);
	     	panel0.add(panel2);
	      	panel0.add(panel3);
	    	JPanel panel5 = new JPanel();
	    	panel5.setLayout(new BorderLayout());
	     	panel5.add("North",example);
	    	t = new JTextArea(5,20);
	     	t.setEditable(false);
	     	t.append("Software Engineering By Pawpaw!\n");
	    	t.append("     福州大学  软件工程");
	    	panel5.add("Center",t);
	     	setLayout(new BorderLayout());
		    add("North",panel0);
	     	add("Center",panel5);
		    add("South",panel4);
	    	this.setResizable(false);
            validate();
    	}
	
	    public void mousePressed(MouseEvent evt) {}
    	public void mouseReleased(MouseEvent evt) {}
    	public void mouseEntered(MouseEvent evt) {}
    	public void mouseExited(MouseEvent evt) {}
     	public void mouseClicked(MouseEvent evt)
     	{
	    	Type_text.setText(WType_list.getSelectedItem());
	     	Word.setText(style.getSelectedItem());
	     	localbig.setText(WBig.getSelectedItem());
		    Integer i=new Integer(localbig.getText());
	     	t.setFont(new Font(Type_text.getText(),style.getSelectedIndex(),i));		
     	}
     	public void actionPerformed(ActionEvent ae)
    	{
            if(ae.getSource() == Ok)
            {
			    font=new Font(Type_text.getText(),style.getSelectedIndex(),new Integer(localbig.getText()));
		        this.hide();
		    } 
		    else this.hide();
	    }
        public void SetFont(Font font) 
        {
    	    this.font = font;
        } 
    }
    
    //事件驱动
 	public void actionPerformed(ActionEvent e)
	{
		if (e.getSource() == exit){////退出事件
			exit();
		}
		else if (e.getSource() == about_us){////关于主题
			about();
		}
		else if (e.getSource() == linewrap){////自动换行
			 if (linewrap.isSelected()){
				textArea.setLineWrap(true);
				status_bar.setEnabled(false);
				statubar.setVisible(false);
			 }
			 else{
				textArea.setLineWrap(false);
				status_bar.setEnabled(true);
				statubar.setVisible(true);
			 }				
		}
		else if(e.getSource() == newfile || e.getSource() == new_tool){////新建文件
			newFile();
		}
		else if(e.getSource() == openItem || e.getSource() == open_tool){////打开文件
			openFile();
		}
		else if (e.getSource() == saveItem || e.getSource() == save_tool){///保存文件			
			saveFile();
		}
		else if (e.getSource() == saveAsItem || e.getSource() == save_as_tool){////另存文件
			saveAsFile();
		}
		else if(e.getSource() == editCut || e.getSource() == peditCut || e.getSource() == cut_tool){
			textArea.cut();////剪切
		}
		else if(e.getSource() == editCopy || e.getSource() == peditCopy || e.getSource() == copy_tool){
			textArea.copy();////复制
		}
		else if(e.getSource() == editPaste || e.getSource() == peditPaste || e.getSource() == paste_tool){
			textArea.paste();////粘贴
		}
		else if(e.getSource() == editDelete || e.getSource() == peditDelete || e.getSource() == delete_tool){
			textArea.replaceSelection("");////删除
		}
		else if(e.getSource() == editSelectAll || e.getSource() == peditSelectAll){/////////////全选
			textArea.selectAll();////全选
		}
		else if(e.getSource() == datetime){  ////时间/日期
			int inpoint = textArea.getCaretPosition();
            Date dt = new Date();
            String strdate = dt.toLocaleString();
            textArea.insert(strdate,inpoint);
		}
		else if(e.getSource() == editUndo || e.getSource() == peditUndo){
		}
		else if(e.getSource() == status_bar){//状态栏的隐藏和显视
		    Get_XY();		
		    textArea.addKeyListener(new Keylistener());
		    textArea.addMouseListener(new Mouselistener());	 
		}
		else if(e.getSource() == tool){////选择是否显示工具条
			if(tool.isSelected())
			toolbar.setVisible(true);
			else 
			toolbar.setVisible(false);
		}
		else if(e.getSource() == edit_font || e.getSource() == pedit_font || e.getSource() == font_tool){////字体
			FontFrame ff = new FontFrame(text_editor.this,"字体",textfont);
		    textArea.setFont(ff.font);
		}
		else if(e.getSource() == fontcolor || e.getSource() == pedit_fontcolor || e.getSource() == color_tool){////字体颜色选择
			JColorChooser jColor = new JColorChooser(); //调用颜色面板，设置前景就可更改字体颜色
            Color fcolor=textArea.getForeground(); 
            textArea.setForeground( jColor.showDialog(textArea,"选择字体颜色",fcolor)); 
		}
		else if(e.getSource() == Motif){ //界面风格
            this.dispose();
            text_editor ww = new text_editor();
            try 
            { //MOTIF界面
                UIManager.setLookAndFeel("com.sun.java.swing.plaf.motif.MotifLookAndFeel"); 
                SwingUtilities.updateComponentTreeUI(ww);
            }
            catch ( Exception er ) {}
       }
       else if(e.getSource() == Metal){
       	    this.dispose();
       	    text_editor ww = new text_editor();
       	    try //METAL界面
       	    {
       	    	UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
       	    	SwingUtilities.updateComponentTreeUI(ww);
       	    }
       	    catch ( Exception er) {}
       }
       else if(e.getSource() == Local){
            this.dispose();
            text_editor ww = new text_editor();
            try
            {
                UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
                SwingUtilities.updateComponentTreeUI(ww);
            }
            catch ( Exception er ) {}
       }
       else if(e.getSource() == editFind || e.getSource() == peditFind || e.getSource() == find_tool){
            FindText();
       }
       else if(e.getSource() == findenter){//点击查找对话框的确定按钮后的事件处理
       	    FindEnter();
       }
       else if(e.getSource() == editFindNext || e.getSource() == peditFindNext || e.getSource() == findnext_tool || e.getSource() == FindNextItem){
       	    FindNext();
       }
       else if(e.getSource() == editSwap || e.getSource() == peditSwap || e.getSource() == repalce_tool){
       	    Replace();
       }
       else if(e.getSource() == replb){
       	    ReplaceEnter();
       }
       else if(e.getSource() == editSwapNext || e.getSource() == peditSwapNext || e.getSource() == repalcenext_tool || e.getSource() == SwapNextItem){
       	    ReplaceNext();
       }
       else if(e.getSource() == cancel1){
       	    replaceDialog.dispose();
       }
       else if(e.getSource() == cancel2){
       	    findDialog.dispose();
       }
	}
    
    //主函数 	
    public static void main(String [] args){
 		text_editor text = new text_editor();
 	}  
}