Listening for Approve and Cancel Events in a JFileChooser Dialog : JFileChooser « Swing « Java Tutorial

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Java Tutorial » Swing » JFileChooser   14. 77. 10. Listening for Approve and Cancel Events in a JFileChooser Dialog import java.awt.Component; import java.awt.HeadlessException; import java.awt.event.ActionEvent; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.AbstractAction; import javax.swing.JDialog; import javax.swing.JFileChooser; public class Main {   public static void main(String[] argv) throws Exception {          MyFileChooser chooser = new MyFileChooser();     chooser.setDialogType(JFileChooser.SAVE_DIALOG);     final JDialog dialog = chooser.createDialog(null);     chooser.addActionListener(new AbstractAction() {       public void actionPerformed(ActionEvent evt) {         JFileChooser chooser = (JFileChooser) evt.getSource();         if (JFileChooser.APPROVE_SELECTION.equals(evt.getActionCommand())) {           dialog.setVisible(false);         } else if (JFileChooser.CANCEL_SELECTION.equals(evt.getActionCommand())) {           dialog.setVisible(false);         }       }     });     dialog.addWindowListener(new WindowAdapter() {       public void windowClosing(WindowEvent e) {         dialog.setVisible(false);       }     });     dialog.setVisible(true);   } } class MyFileChooser extends JFileChooser {   public JDialog createDialog(Component parent) throws HeadlessException {     return super.createDialog(parent);   } } 14. 77. JFileChooser 14. 77. 1.  JFileChooser 14. 77. 2.  JFileChooser is a standard dialog for selecting a file from the file system. 14. 77. 3.  Getting and Setting the Selected File of a JFileChooser Dialog 14. 77. 4.  Getting and Setting the Current Directory of a JFileChooser Dialog 14. 77. 5.  Determining If the Approve or Cancel Button Was Clicked in a JFileChooser Dialog 14. 77. 6.  Displaying Only Directories in a File Chooser Dialog 14. 77. 7.  Creating a JFileChooser Dialog 14. 77. 8.  Select a directory with a JFileChooser 14. 77. 9.  Disable the JFileChooser 'New folder' button 14. 77. 10.  Listening for Approve and Cancel Events in a JFileChooser Dialog 14. 77. 11.  Using JFileChooser 14. 77. 12.  Working with File Filters 14. 77. 13.  To enable the display of hidden files 14. 77. 14.  The JFileChooser supports three selection modes: files only, directories only, and files and directories 14. 77. 15.  Adding Accessory Panels 14. 77. 16.  Custom FileView for Some Java-Related File Types 14. 77. 17.  Using a JFileChooser in Your JFrame 14. 77. 18.  ActionListener for JFileChooser in Your JFrame 14. 77. 19.  JFileChooser Selection Option: JFileChooser.APPROVE_OPTION, JFileChooser.CANCEL_OPTION 14. 77. 20.  Adding an ActionListener to a JFileChooser to listen for selection of the approval or cancel actions. 14. 77. 21.  Listening for Changes to the Selected File in a JFileChooser Dialog 14. 77. 22.  Getting the File-Type Icon of a File 14. 77. 23.  Getting the Large File-Type Icon of a File 14. 77. 24.  Localize a JFileChooser 14. 77. 25.  Determining If a File Is Hidden 14. 77. 26.  Showing Hidden Files in a JFileChooser Dialog 14. 77. 27.  Changing the Text of the Approve Button in a JFileChooser Dialog 14. 77. 28.  Enabling Multiple Selections in a JFileChooser Dialog 14. 77. 29.  Adding a Filter to a File Chooser Dialog 14. 77. 30.  A convenience implementation of FileFilter that filters out all files except for those type extensions that it knows about. 14. 77. 31.  Customizing a JFileChooser Look and Feel 14. 77. 32.  Get Directory Choice 14. 77. 33.  Get File Choice