anewediter.java

带有字体设置和前景设置的

   	  if(fdag.getFile()!=null)
   	  {
   	   String st=fdag.getDirectory()+fdag.getFile();
       try
        { file=new File(st);
          FileOutputStream fout=new FileOutputStream(file);
          DataOutputStream out=new DataOutputStream(fout);
          out.writeBytes(tf.getText());//tf.setText("");f.setTitle("无标题 - 记事本");
          JOptionPane.showMessageDialog(f,"文件已成功保存在：\n"+file.getCanonicalPath(),"另存为信息",JOptionPane.PLAIN_MESSAGE);
          f.setTitle(file.getName().substring(0,file.getName().indexOf('.'))+" - 记事本"); 
        }
       catch(Exception E)
        {System.out.println("I/O错误！");
        }isnewf=false;issaved=true;	
      }
     }
  if(e.getSource()==quitf)
        {int ms;
        if(tf.getText().length()!=0&&issaved==false)
        {
        	ms=JOptionPane.showConfirmDialog(f,"文件"+file.getAbsolutePath()+"\n已经改变，想保存文件吗？","记事本",JOptionPane.YES_NO_CANCEL_OPTION,JOptionPane.WARNING_MESSAGE);                  
         if(ms==0)
         {if(isnewf==true)
          {FileDialog fdag=new FileDialog(f,"保存",1);
        	  fdag.setSize(300,250);
        	  fdag.setVisible(true);
        	  if(fdag.getFile()!=null)
        	  {String st=fdag.getDirectory()+fdag.getFile();
            try
            { file=new File(st);
             FileOutputStream fout=new FileOutputStream(file);
             DataOutputStream out=new DataOutputStream(fout);
             out.writeBytes(tf.getText());//tf.setText("");f.setTitle("无标题 - 记事本");
             JOptionPane.showMessageDialog(f,"文件已成功保存在：\n"+file.getAbsolutePath(),"保存信息",JOptionPane.PLAIN_MESSAGE);
             f.setTitle(file.getName().substring(0,file.getName().indexOf('.'))+" - 记事本");
             isnewf=false;issaved=true;
            }
            catch(Exception E)
            {System.out.println("I/O错误！");}
           }	
          }
        	else
        	  {
        		  try
        	   {FileOutputStream fout=new FileOutputStream(file);
             DataOutputStream out=new DataOutputStream(fout);
             out.writeBytes(tf.getText());
             out.close();
             JOptionPane.showMessageDialog(f,"文件"+file.getAbsolutePath()+"\n已成功保存！","保存信息",JOptionPane.PLAIN_MESSAGE);
             isnewf=false;issaved=true;
            }
            catch(Exception E)
            {System.out.println("I/O错误！");}
           }
         System.exit(0);
         }
         
             
     
        		
        }
        else{
        	System.exit(0);
        }
        }
 
  
   if(e.getSource()==cancel){buffer=new String(tf.getText());
                              if(iskey==true)
                              {tf.setText(buffer.substring(0,buffer.length()-1));
                               iskey=false;cace=1;}
                              if(cace==1){tf.setText(temptext);cace=0;}
                            }
  if(e.getSource()==cut){temptext=new String(tf.getText());tf.cut();issaved=false;iskey=false;cace=1;}//paste.setEnabled(true);
  if(e.getSource()==copy){tf.copy();iskey=false;cace=1;}//paste.setEnabled(true);
  if(e.getSource()==paste){temptext=new String(tf.getText());tf.paste();issaved=false;iskey=false;cace=1;}//paste.setEnabled(false);
  if(e.getSource()==del){temptext=new String(tf.getText());tf.replaceSelection("");issaved=false;iskey=false;cace=1;}

  
 
  if(e.getSource()==selectall){tf.selectAll();iskey=false;}
 
  if(e.getSource()==gesi){setfont();  }
  if(e.getSource()==forecolor){setColor();  }
  if(e.getSource()==btn1)
   {//
    cbxstr1=(String)cb1.getSelectedItem();//tf.setText(cbxstr1);
    cbxint3=Integer.parseInt((String)cb3.getSelectedItem());
   if(((String)cb2.getSelectedItem()).compareTo("正常体")==0)	tf.setFont(new Font(cbxstr1,Font.PLAIN,cbxint3));
   if(((String)cb2.getSelectedItem()).compareTo("粗体")==0)	tf.setFont(new Font(cbxstr1,Font.BOLD,cbxint3));
   if(((String)cb2.getSelectedItem()).compareTo("斜体")==0)	tf.setFont(new Font(cbxstr1,Font.ITALIC,cbxint3));
   //tf.setText(String.valueOf(cbxint3));
  	//tf.setFont(cbxstr1,cbxint2,cbxint3);
  	issaved=false;
  	dialog.show(false);
  	}
   if(e.getSource()==btn2){dialog.show(false);}
  /* if(e.getSource()==cancel1){buffer=new String(tf.getText());
                              if(iskey==true)
                              {tf.setText(buffer.substring(0,tf.getText().length()-1));
                               
                               iskey=false;cace=1;}
                              if(cace==1){tf.setText(temptext);cace=0;}
                            }
   if(e.getSource()==copy1){tf.copy();iskey=false;cace=1;}
   if(e.getSource()==cut1){temptext=new String(tf.getText());tf.cut();issaved=false;iskey=false;cace=1;}
   if(e.getSource()==paste1){temptext=new String(tf.getText());tf.paste();issaved=false;iskey=false;cace=1;}
   if(e.getSource()==del1){temptext=new String(tf.getText());tf.replaceSelection("");issaved=false;iskey=false;cace=1;}
   if(e.getSource()==selall){tf.selectAll();iskey=false;}*/
   
 }
 
 class WinLis extends WindowAdapter
 {public void windowClosing(WindowEvent e)
  {int ms;
   if(tf.getText().length()!=0&&issaved==false)
   {ms=JOptionPane.showConfirmDialog(f,"文件"+file.getAbsolutePath()+"\n已经改变，想保存文件吗？","记事本",JOptionPane.YES_NO_CANCEL_OPTION,JOptionPane.WARNING_MESSAGE);                  
    if(ms==0)
    {if(isnewf==true)
     {FileDialog fdag=new FileDialog(f,"保存",1);
   	  fdag.setSize(300,250);
   	  fdag.setVisible(true);
   	  if(fdag.getFile()!=null)
   	  {String st=fdag.getDirectory()+fdag.getFile();
       try
       { file=new File(st);
        FileOutputStream fout=new FileOutputStream(file);
        DataOutputStream out=new DataOutputStream(fout);
        out.writeBytes(tf.getText());//tf.setText("");f.setTitle("无标题 - 记事本");
        JOptionPane.showMessageDialog(f,"文件已成功保存在：\n"+file.getAbsolutePath(),"保存信息",JOptionPane.PLAIN_MESSAGE);
        f.setTitle(file.getName().substring(0,file.getName().indexOf('.'))+" - 记事本");
        isnewf=false;issaved=true;
       }
       catch(Exception E)
       {System.out.println("I/O错误！");}
      }	
     }
   	 else
   	  {try
   	   {FileOutputStream fout=new FileOutputStream(file);
        DataOutputStream out=new DataOutputStream(fout);
        out.writeBytes(tf.getText());
        out.close();
        JOptionPane.showMessageDialog(f,"文件"+file.getAbsolutePath()+"\n已成功保存！","保存信息",JOptionPane.PLAIN_MESSAGE);
        isnewf=false;issaved=true;
       }
       catch(Exception E)
       {System.out.println("I/O错误！");}
      }System.exit(0);
     }
    
   }
  }
 }
/*class MyMouseAdapter extends MouseAdapter
{public void mousePressed(MouseEvent e)
 {if((e.getModifiers() & InputEvent.BUTTON3_MASK)==InputEvent.BUTTON3_MASK)
    pmenu.show(tf,e.getX(),e.getY());
    
 }
}*/
/*class MyKeyAdapter extends KeyAdapter
{public void keyPressed(KeyEvent e)
 {issaved=false;
  if((e.getModifiers() & KeyEvent.VK_BACK_SPACE)!=KeyEvent.VK_BACK_SPACE)
  temptext=tf.getText();//.substring(0,tf.getText().length()-1);
  iskey=true;//cace=1;
 }
} */
 public static void main(String arg[])
 {new Anewediter();
  
 
 }
  public void setfont()
 { dialog=new JDialog(f,"字体设置",true);
 
  diacp=dialog.getContentPane();
  diacp.setLayout(new FlowLayout());
  jp=new JPanel(new GridLayout(4,2,4,4));
  lb1=new JLabel("字体");
  lb2=new JLabel("字形");
  lb3=new JLabel("大小");
  String s1[]={"宋体","黑体","楷体","隶书","华文行楷","Arial","Courier"};
  cb1=new JComboBox(s1);
  String s2[]={"正常体","粗体","斜体"};
  cb2=new JComboBox(s2);
  //int s3[]={10,15,20,25,30,35,40,45,50};
 String s3[]={"10","15","20","25","30","35","40","45","50","60"};
  //int s3[]={Font.PLAIN,Font.BOLD,Font.ITALIC};
  cb3=new JComboBox(s3);
  btn1=new JButton("确定");
  btn2=new JButton("取消");
  jp.add(lb1);jp.add(cb1);
  jp.add(lb2);jp.add(cb2);
  jp.add(lb3);jp.add(cb3);
  btn1.addActionListener(this);
  jp.add(btn1);
  btn2.addActionListener(this);
  jp.add(btn2);
  diacp.add(jp);
  Font ft=tf.getFont();
  cb1.setSelectedItem(ft.getName());
  if(ft.getStyle()==0)cb2.setSelectedItem("正常体");
  if(ft.getStyle()==1)cb2.setSelectedItem("粗体");
  if(ft.getStyle()==2)cb2.setSelectedItem("斜体");
  cb3.setSelectedItem(String.valueOf(ft.getSize()));
  //dialog.add(diacp);
  dialog.setBounds(250,250,250,180);
  dialog.setResizable(false);
  dialog.setVisible(true);
 }
  public void setColor()
  { dialog=new JDialog(f,"前景设置",true);
  
   diacp=dialog.getContentPane();
   diacp.setLayout(new FlowLayout());
   Color newcolor=JColorChooser.showDialog(diacp, "选择背景色", tf.getBackground());
   if(newcolor!=null){
	   
	   tf.setBackground(newcolor);
   }
  
  }
}