tr.getTransferData(DataFlavor.stringFlavor);
int start=field.getSelectionStart();
int end=field.getSelectionEnd();
field.replaceRange(s,start,end);
}
catch (Exception e) {
return;
}
}
public boolean save() {
JFileChooser fileChooser = new
JFileChooser();
fileChooser.setFileFilter (javaFileFilter);
int returnVal =
fileChooser.showSaveDialog(this);
if(returnVal ==
JFileChooser.APPROVE_OPTION){
file = fileChooser.getSelectedFile ();
if (file.exists()) {
int response =
JOptionPane.showConfirmDialog (null,”File
already exists. Do you want to
continue?”,”Overwrite
Confirmation”,JOptionPane.OK_CANCEL_OPTION,
JOptionPane.QUESTION_MESSAGE);
if (response ==
JOptionPane.CANCEL_OPTION) return false;
}
String fileName = file.getName();
if(fileName != null) {
int extensionIndex =
fileName.lastIndexOf(‘.’);
setTitle(fileName.substring(0,extensionIndex));
}
return writeFile (file, field.getText());
}
return false;
}
public static boolean writeFile (File file, String
content) {
try {
PrintWriter pw = new PrintWriter (new
BufferedWriter (new FileWriter (file)));
pw.print (content);
pw.flush ();
pw.close ();
}
catch (IOException e) {
return false;
}
return true;
}
public void quit() {
System.exit(0);
}
}