package  net.grasoff.sarin;

 import  javax.swing.*;
 import  javax.swing.text.*;
 import  java.awt.*;
 import  java.awt.event.*;

 public   class  JTextPaneInsertCharApp  extends  JFrame {
	 public  JTextPaneInsertCharApp() {
		setTitle("Test");
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setSize( 400 ,  300 );

		 final  JTextPane tp =  new  JTextPane();
		tp.setContentType("text/plain");
		tp.setText("Lorem ipsum. Ipsum lorem. Lorem ipsum. Ipsum lorem.");

		getContentPane().add(tp, BorderLayout.CENTER);

		JButton jb =  new  JButton("Insert char");
		jb.addActionListener( new  ActionListener() {
			 public   void  actionPerformed(ActionEvent e) {
				 char  c = 'X';
				 int  pos = tp.getCaretPosition();
				 try  {
					tp.getDocument().insertString(pos, String.valueOf(c),  null );
				}  catch  (BadLocationException ex) {
					ex.printStackTrace();
				}
				tp.grabFocus();
			}
		});
		getContentPane().add(jb, BorderLayout.SOUTH);

		setVisible(true);
	}

	 public   static   void  main(String[] args) {
		EventQueue.invokeLater( new  Runnable() {
			 public   void  run() {
				 new  JTextPaneInsertCharApp();
			}
		});
	}
}