setCaretPosition method doesn't work after using setPage method
[nobr]I'm trying to setCaretPosition in JEditorPane but doesn't work!
This seem's to happen after i use setPage method.
Here is the code :
import java.awt.*;
import java.awt.event.*;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Vector;
import javax.swing.*;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
import javax.swing.text.BadLocationException;
import javax.swing.text.Style;
import javax.swing.text.StyleConstants;
import javax.swing.text.StyleContext;
import javax.swing.text.StyledDocument;
import javax.swing.text.html.HTMLEditorKit;
/**
* Summary description for InterfataCuPoze
*
*/
publicclass InterfataCuPozeextends JFrameimplements HyperlinkListener
{
privatestaticint caret=0;
private String newline="\n";
private String textScris="";
// Variables declaration
private JTextArea inputArea;
private JScrollPane scroll;
privatefinal JEditorPane outputArea=new JEditorPane();
private JScrollPane jScrollPane4;
private JPanel contentPane;
private JTextPane textPane;
//--
private JButton buzz;
private JPanel butoane;
//--
private JButton send;
private JPanel panel_send;
private JEditorPane jep;
private String cale="file:///C:\\chat\\test.html";
public InterfataCuPoze()
{
super();
initializeComponent();
setPage(cale);
// here i want to set Caret Position so that the scrool bar to be at the bottom
this.repaint();
this.setVisible(true);
}
publicvoid setPage(String cale_noua)
{
cale=cale_noua;
try
{
outputArea.setPage(cale);
}catch (IOException e1)
{
try{
new File("test.html").createNewFile();
}catch (IOException ex){
ex.printStackTrace();
}
}
outputArea.repaint();
}
privatevoid initializeComponent()
{
inputArea =new JTextArea();
scroll =new JScrollPane();
//outputArea = new JEditorPane();
jScrollPane4 =new JScrollPane();
contentPane = (JPanel)this.getContentPane();
buzz =new JButton();
butoane =new JPanel();
send =new JButton();
panel_send =new JPanel();
scroll.setViewportView(inputArea);
outputArea.setEditable(false);
jScrollPane4.setViewportView(outputArea);
contentPane.setLayout(null);
addComponent(contentPane, scroll, 5,244,353,82);
addComponent(contentPane, jScrollPane4, 5,3,457,207);
addComponent(contentPane, butoane, 5,213,456,29);
addComponent(contentPane, panel_send, 363,243,98,83);
//buzz.setIcon(new ImageIcon("icons\\alert.gif"));
buzz.setText("Buzz");
buzz.addActionListener(new ActionListener(){
publicvoid actionPerformed(ActionEvent e)
{
buzz_actionPerformed(e);
}
});
butoane.setLayout(null);
butoane.setBackground(new Color(102, 102, 102));
addComponent(butoane, buzz, 9,2,42,25);
send.setText("Send");
send.addActionListener(new ActionListener(){
publicvoid actionPerformed(ActionEvent e)
{
send_actionPerformed(e);
}
});
panel_send.setLayout(null);
addComponent(panel_send, send, 7,26,81,37);
this.setTitle("InterfataCuPoze - extends JFrame");
this.setLocation(new Point(5, 0));
this.setSize(new Dimension(478, 360));
}
/** Add Component Without a Layout Manager (Absolute Positioning) */
privatevoid addComponent(Container container,Component c,int x,int y,int width,int height)
{
c.setBounds(x,y,width,height);
container.add(c);
}
privatevoid buzz_actionPerformed(ActionEvent e)
{
System.out.println("\nbuzz_actionPerformed(ActionEvent e) called.");
// TODO: Add any handling code here
}
privatevoid send_actionPerformed(ActionEvent e)
{
textScris="<font color=red><b>kynamar</b></font> : "+inputArea.getText().trim()+"\n"+"<br>";
try{
outputArea.getDocument().insertString(outputArea.getDocument().getLength(),textScris,null);
caret=outputArea.getDocument().getText(0,outputArea.getDocument().getLength()).length();
outputArea.setCaretPosition(caret);
}catch (BadLocationException ex){
ex.printStackTrace();
}
//} catch (BadLocationException ex) {
//ex.printStackTrace();
// }
try{
PrintWriter out=new PrintWriter(new FileWriter("test.html",true));
out.println(textScris);
out.close();
inputArea.setText("");
}catch (Exception ex){
ex.printStackTrace();
}
outputArea.setContentType("html");
setPage(cale);
try{
System.out.println(outputArea.getDocument().getText(0,outputArea.getDocument().getLength()).length());
}catch (BadLocationException ex){
ex.printStackTrace();
}
}
publicstaticvoid main(String[] args)
{
JFrame.setDefaultLookAndFeelDecorated(true);
JDialog.setDefaultLookAndFeelDecorated(true);
try
{
UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
}
catch (Exception ex)
{
System.out.println("Failed loading L&F: ");
System.out.println(ex);
}
SwingUtilities.invokeLater(new Runnable(){
publicvoid run(){
new InterfataCuPoze();
}
});
}
//= End of Testing =
publicvoid hyperlinkUpdate(HyperlinkEvent e){
}
}
[/nobr]
