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  Replace File Confirmation fow swing  (Read 1432 times)
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Offline g666

Junior Devvie





« Posted 2006-01-20 20:37:44 »

Its not much, but i found it a bit strange that swing didnt already do this so i made a subclass of jfilechooser that asks the user if they want to replace the file when selecting to save an existing file.

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import java.awt.*;
import javax.swing.*;
import java.io.*;

/**
 *a filechooser that checks the user wants to when returning an existing filename
 */

 
public class CheckFileChooser extends JFileChooser{
   
   public void approveSelection(){
      if(getDialogType() == SAVE_DIALOG){
         File sel = getSelectedFile();
         if(sel.exists()){
            int ow = JOptionPane.showConfirmDialog(this,
               "The file "+sel.getName()+" already exists, do you want to replace it?",
               "Replace File?",
               JOptionPane.WARNING_MESSAGE);
            //user clicked cancel?
            if(ow != 0)
               return;
         }
      }
      super.approveSelection();
   }
}

desperately seeking sanity
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