notepad.java

用JAVA编写的一个记事本.很多模仿微软的记事本,好用

			text.paste();
		 }
     else if(e.getSource()==itemRemove)
		 {
			int start = text.getSelectionStart();
			int end = text.getSelectionEnd();
			text.replaceRange("",start,end);
		 }
     else if(e.getSource()==itemSelectAll)
		 {
			text.selectAll();
		 }
     else if(e.getSource()==itemTime)
		 {
			nowTime = new Date();
			time = new SimpleDateFormat("北京时间：yyyy年MM月dd日 E HH时mm分ss秒");
			text.insert(time.format(nowTime),text.getCaretPosition());
		 }
     else if(e.getSource()==itemLineWrap)
	     {
			if((clickTimes%2)!=0)
			 {
			  text.setLineWrap(true);
			  text.setWrapStyleWord(true);
			  clickTimes++;
		     }
		    else
		    {
			  text.setLineWrap(false);
			  text.setWrapStyleWord(false);
			  clickTimes++;
			}
		 }
     else if(e.getSource()==itemAbout)
	   {
			AboutDialog about=new AboutDialog(this,"关于",true);
			about.setVisible(true);
		}
	}

 public void changedUpdate(DocumentEvent e)
 {
    text_event = 1;
 }
 public void insertUpdate(DocumentEvent e){ text_event = 1; }
 public void removeUpdate(DocumentEvent e){ text_event = 1; }

 public void run(){}

class FontDialog extends Dialog implements ItemListener,ActionListener
{
	Choice choiceFont,choiceSize,choiceStyle;
	Panel panelButton,panelStyle,panelColor;
	JScrollPane scrollPaneFont,scrollPaneSize,scrollPaneStyle,scrollPaneModel;
	 JList listFont,listSize,listStyle;
    Button yes,no,foreColor,backgroundColor;
    String stringName,stringSize,fontstyle;
    int size,style;
    Font f,textFont;
    JTextArea model;
    CheckboxGroup g;
    Checkbox 常规,粗体,斜体,粗斜体;

	FontDialog(Frame f,String s,boolean b)
	{
		super(f,s,b);
		setBounds(60,60,400,300);
		setLayout(null);
		choiceFont =new Choice();
		choiceFont.setBounds(30,40,120,130);
		choiceSize =new Choice();
		choiceSize.setBounds(180,40,120,130);
		choiceStyle =new Choice();
		panelButton = new Panel();
		panelButton.setBounds(130,240,120,50);

		model = new JTextArea("中国龙AaBbCc123?!@");
		scrollPaneModel = new JScrollPane(model);
		scrollPaneModel.setBounds(160,100,160,100);

                GraphicsEnvironment ge =GraphicsEnvironment.getLocalGraphicsEnvironment();
		String fontName[] = ge.getAvailableFontFamilyNames();
	  	listFont = new JList(fontName);
                scrollPaneFont = new JScrollPane(listFont);
		scrollPaneFont.setBounds(30,300,140,160);
                String stringSize[] ={"8","9","10","11","12","13","14","16","18","20","22","24","26","28","36","72"};
		listSize = new JList(stringSize);
                scrollPaneSize = new JScrollPane(listSize);
		scrollPaneSize.setBounds(300,300,100,160);
                String fontStyle[] = { "常规","粗体","斜体","粗斜体"};
                listStyle = new JList(fontStyle);
                scrollPaneStyle = new JScrollPane(listFont);
                scrollPaneStyle.setBounds(300,300,100,160);


		panelStyle = new Panel();
		panelStyle.setBounds(20,80,80,120);

	      g = new CheckboxGroup();
		常规 = new Checkbox("常规",true,g);
		粗体 = new Checkbox("粗体",false,g);
		斜体 = new Checkbox("斜体",false,g);
		粗斜体 = new Checkbox("粗斜体",false,g);

		yes=new Button("确定");
		no=new Button("取消");
		panelColor = new Panel();
		panelColor.setBounds(30,200,80,60);
		foreColor = new Button("设置字体颜色");
		foreColor.setBounds(30,200,80,20);
		backgroundColor = new Button("设置背景颜色");
		backgroundColor.setBounds(30,220,75,20);

        textFont=text.getFont();
        stringName=textFont.getFontName();
        size=textFont.getSize();


        for(int i=0;i<stringSize.length;i++)
		{
			choiceSize.add(stringSize[i]);
		}

		for(int i=0;i<fontName.length;i++)
		{
			choiceFont.add(fontName[i]);
		}


		for(int i=0;i<fontStyle .length;i++)
		{
		    choiceStyle.add(fontStyle [i]);
		}

        choiceFont.select(stringName);
        choiceSize.select(""+size);

             //   listSize.add();
		add(choiceFont);
		add(choiceSize);
		add(scrollPaneModel);
		add(panelButton);
		add(panelStyle);
    	        panelStyle.add(choiceStyle);

		panelStyle.add(常规);
		panelStyle.add(粗体);
 	panelStyle.add(斜体);
 		panelStyle.add(粗斜体);
               add(scrollPaneFont);
 	        add(scrollPaneSize);
                add(scrollPaneStyle);


		panelButton.add(yes);
		panelButton.add(no);
		add(panelColor);
        panelColor.add(foreColor);
        panelColor.add(backgroundColor);

		choiceFont.addItemListener(this);
		choiceSize.addItemListener(this);
		choiceStyle.addItemListener(this);

		常规.addItemListener(this);
		粗体.addItemListener(this);
		斜体.addItemListener(this);
		粗斜体.addItemListener(this);

		yes.addActionListener(this);
		no.addActionListener(this);
		foreColor.addActionListener(this);
		backgroundColor.addActionListener(this);
		addWindowListener(new WindowAdapter()
						    {
								public void windowClosing(WindowEvent e)
								{ setVisible(false); }
							});
       validate();
	 }


     public void itemStateChanged(ItemEvent e)
     {

   	       stringName =choiceFont.getSelectedItem();
   	       stringSize=choiceSize.getSelectedItem();
   	       size=Integer.parseInt(stringSize);
/*
   		   fontstyle = choiceFont.getSelectedItem();
   		   if(fontstyle=="常规"){  style = Font.TRUETYPE_FONT; }
		   else if(fontstyle=="粗体"){  style = Font.BOLD; }
		   else if(fontstyle=="斜体"){  style = Font.ITALIC; }
           else if(fontstyle=="粗斜体"){  style = Font.BOLD +Font.ITALIC ; }
 */
           g.setSelectedCheckbox(常规);
           Checkbox box = (Checkbox)e.getSource();

           if(box==常规){  style = Font.TRUETYPE_FONT; }
           else if(box==粗体){  style = Font.BOLD; }
           else if(box==斜体){  style = Font.ITALIC; }
           else if(box==粗斜体){  style = Font.BOLD +Font.ITALIC ; }



       	   f =new Font(stringName,style,size);
           model.setFont(f);
   	 }

	 public void actionPerformed(ActionEvent e)
	 {
		if(e.getSource()==yes)
		{
     		   text.setFont(f);
			   setVisible(false);
	    }
	   else if(e.getSource()==no)
		        setVisible(false);
	   else if(e.getSource()==foreColor)
		{
		   Color foreColor = JColorChooser.showDialog(this,"设置字体颜色",text.getForeground());
		   if(foreColor!= null)
		   text.setForeground(foreColor);
		}
	  else if(e.getSource()==backgroundColor)
		{
			Color backgroundColor = JColorChooser.showDialog(this,"设置背景颜色",text.getBackground());
			if(backgroundColor != null)
			text.setBackground(backgroundColor);
		}
	 }

   }

}



public class NotePad
{
  public static void main(String args[])
  {
	  FirstWindow win =new FirstWindow("新建文本文档");

  }
}


class AboutDialog extends Dialog implements ActionListener
   {
      AboutDialog(Frame f,String s,boolean b)
      {
		 super(f,s,b);
		 setBounds(200,200,300,200);
		 addWindowListener(new WindowAdapter()
		 						    {
		 								public void windowClosing(WindowEvent e)
		 								{ setVisible(false); }
							});
	  }

	  public void actionPerformed(ActionEvent e)
	  {

	  }
   }