if(filedialog_save.getFile()!=null)
  		{
  			System.out.println("if"+openname);
  			String name;
  				
  			try
  			{
  				this.setTitle(filedialog_save.getFile()+" Notepad");				
  				fileWriter=new FileWriter(new File(filedialog_save.getDirectory(),filedialog_save.getFile()));
  				out=new BufferedWriter(fileWriter);
  				name=text.getText();
  				out.write(name,0,name.length());
  				out.flush();
  				out.close();
  				fileWriter.close();
  				System.out.println("已經執行");
  				Issave=1;
  			}
  			catch(IOException e2)
  			{
  				
  			}
  		}
  		}
  		else
  		{
  			Issave=1;
  			System.out.println("else"+openname);
  			if(openname!=null)
  			{
  				  String name=openname;
  				
  			try
  			{
  				this.setTitle(name+" Notepad");				
  				fileWriter=new FileWriter(new File(opendir,openname));
  				out=new BufferedWriter(fileWriter);
  				System.out.println("運行中");
  				name=text.getText();
  				out.write(name,0,name.length());
  				out.flush();
  				out.close();
  				fileWriter.close();
  				System.out.println("已經執行");
  				Issave=1;
  			}
  			catch(IOException e2)
  			{
  				
  			}
  			}
  		}
  			
  		
  		
  	}
  	
  	if(e.getSource()==saveasFile)
  	{
  		filedialog_saveas.setVisible(true);
  	
  			Issave=1;
  	}
  	if(e.getSource()==exitFile)
  	{
  		 if(text.getText().equals(new String("")))
  		{
  		System.exit(0);
  		}
  		if(Issave==1 && text.getText()!=null)
  		{
  			System.exit(0);
  		}

  		 if(Issave==0 && text.getText()!=null)
  		{
  			int n=JOptionPane.showConfirmDialog(this,"文件內容已改變,需要保存文件嗎?","確認對話框",JOptionPane.YES_NO_CANCEL_OPTION);
  			if(n==JOptionPane.YES_OPTION)
  			{
  				  		filedialog_save.setVisible(true);
  				if(filedialog_save.getFile()!=null)
  		   {
  			String name;
  			try
  			{
  				fileWriter=new FileWriter(new File(filedialog_save.getDirectory(),filedialog_save.getFile()));
  				out=new BufferedWriter(fileWriter);
  				name=text.getText();
  				out.write(name,0,name.length());
  				out.flush();
  				out.close();
  				fileWriter.close();
  				Issave=1;
  			}
  			catch(IOException e2)
  			{
  				
  			}
}
  		     }
  		    if(n==JOptionPane.NO_OPTION)
  		   {
  		   	System.exit(0);
  	        
  		   }
  		     else
  		    {
  			filedialog_save.setVisible(false);
  		    }
  		}
  	}


  	
  	
  	  if(e.getSource()==removeEdit)
  	{    
           remove();
  	}
  	
  	
  	
  	if(e.getSource()==copyEdit)
  	{
        copy();	
  	}
  	if(e.getSource()==pasteEdit)
  	{
       paste();
   }	
  
  	
  	if(e.getSource()==cutEdit)
  	{
        cut();
  	}
  	
  	if(e.getSource()==findEdit)
  	{
  	  FindFrame	findframe=new FindFrame();
  	}
  	
  	if(e.getSource()==replaceEdit)
  	{
  		ReplaceFrame replaceframe=new ReplaceFrame();

  	}
  	
  	if(e.getSource()==selectallEdit)
  	{
         selectall();
  	}
  	
  	if(e.getSource()==deleteEdit)
  	{
  		delete();
  	}
  	
  	
  	if(e.getSource()==fontFormat)
  	{
  		Font f=new Font("宋體",Font.PLAIN,20);
  	 FontPanel.exampleText.setFont(f);
  		fontdialog.setVisible(true);
  	
  		
  	}
  	if(e.getSource()==aboutHelp)
  	{
  		imagedialog.setVisible(true);
  		
 
  	}
  	if(e.getSource()==popRemove)
  	{
  		remove();
  	}
  	if(e.getSource()==popCopy)
  	{
  		copy();
  	}
  	 if(e.getSource()==popPaste)
  	{
        paste();
  	}
  	  if(e.getSource()==popCut)
  	{
  		cut();
  	}
  	  if(e.getSource()==popDelete)
  	{
  		delete();
  	}
  	 if(e.getSource()==popSelectall)
  	 {
  	 	selectall();
  	 } 
  	 if(e.getSource()==popDelete)
  	 {
  	 	delete();
  	 } 	
  	
  }	 
  public void keyPressed(KeyEvent me)
  {
  	
  	if(me.getKeyCode()==KeyEvent.VK_SPACE || me.getKeyCode()==KeyEvent.VK_ENTER||me.getKeyCode()==KeyEvent.VK_BACK_SPACE||me.getKeyCode()==KeyEvent.VK_CLEAR||me.getKeyCode()==KeyEvent.VK_CANCEL)
  	{
  		
  		stack.push(new String(text.getText()));
  		
  	}	
  }
  public void keyTyped(KeyEvent me1)
  {
  	
  }
  public void keyReleased(KeyEvent me2)
  {
  	
  }
  public void mousePressed(MouseEvent e)
  {
  	
  	if(e.getModifiers()==InputEvent.BUTTON3_MASK)
	 { 
	   try
	   {
	   
	 	System.out.println("run");
	 		popupmenu.show(text,e.getX(),e.getY());
	 	}
	 	catch(Exception ee)
	 	{
	 		
	 	}
	 }
  }
  public void mouseReleased(MouseEvent e)
  {
  	
  }
  public void mouseEntered(MouseEvent e)
  {
  }
  public void mouseExited(MouseEvent e)
  {
  	
  }
  public void mouseClicked(MouseEvent e)
  {
  }
  
  public void remove()
  {  	     
  if(!(stack.empty()))
  	   {  
         String s=(String)stack.pop();
         text.setText(s);
        }
         else
         {
         	text.setText("");
         }
  }
   
   public void copy()
  {
  	 String temp=text.getSelectedText();
  	StringSelection mytext=new StringSelection(temp);
  	clipboard.setContents(mytext,null);	
  }	 
  
  
  public void paste()
  {
  	 Transferable contents=clipboard.getContents(this);
  	DataFlavor flavor=DataFlavor.stringFlavor;
  if(contents.isDataFlavorSupported(flavor))
  	{
  		try
  	   {
  		String str;
  		str=(String)contents.getTransferData(flavor);
  	   text.append(str);
  	    }
  	     catch(Exception ee)
  	   {
  				
  	    }
  	  } 
  }
  
 public void cut()
 {
 	String temp=text.getSelectedText();
    StringSelection mytext=new StringSelection(temp);
  	clipboard.setContents(mytext,null);
  	int start=text.getSelectionStart();
  	int end=text.getSelectionEnd();
  	text.replaceRange("",start,end);
 } 
 
 public void selectall()
 {
 	 text.setSelectionStart(0);
     try
     {
       
  	text.setSelectionEnd(text.getLineEndOffset(text.getRows()-1));
  	  } 
  	 catch(Exception e2)
  	  {
  	  }
 }
 public void delete()
 {
 	MyFrame.text.setText("");
 }
 

 }