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<TITLE>Creating a JFileChooser Dialog
(Java Developers Almanac Example)
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<META CONTENT="Patrick Chan" NAME="AUTHOR">
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<B><A HREF="../javax.swing.filechooser/pkg.html">javax.swing.filechooser</A></B><font color="#666666" SIZE="-2">
[19 examples]
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<h3>
e886.
Creating a JFileChooser Dialog</h3>
The following example creates a file chooser and displays it as first
an open-file dialog and then as a save-file dialog:
<pre>
String filename = <font color="#0066ff"><i>File.separator+"tmp"</i></font>;
JFileChooser fc = new JFileChooser(new File(filename));
// Show open dialog; this method does not return until the dialog is closed
fc.showOpenDialog(<font color="#0066ff"><i>frame</i></font>);
File selFile = fc.getSelectedFile();
// Show save dialog; this method does not return until the dialog is closed
fc.showSaveDialog(<font color="#0066ff"><i>frame</i></font>);
selFile = fc.getSelectedFile();
</pre>
Here is a more elaborate example that creates two buttons that
create and show file chooser dialogs.
<pre>
// This action creates and shows a modal open-file dialog.
public class OpenFileAction extends AbstractAction {
JFrame frame;
JFileChooser chooser;
OpenFileAction(JFrame frame, JFileChooser chooser) {
super("Open...");
this.chooser = chooser;
this.frame = frame;
}
public void actionPerformed(ActionEvent evt) {
// Show dialog; this method does not return until dialog is closed
chooser.showOpenDialog(frame);
// Get the selected file
File file = chooser.getSelectedFile();
}
};
// This action creates and shows a modal save-file dialog.
public class SaveFileAction extends AbstractAction {
JFileChooser chooser;
JFrame frame;
SaveFileAction(JFrame frame, JFileChooser chooser) {
super("Save As...");
this.chooser = chooser;
this.frame = frame;
}
public void actionPerformed(ActionEvent evt) {
// Show dialog; this method does not return until dialog is closed
chooser.showSaveDialog(frame);
// Get the selected file
File file = chooser.getSelectedFile();
}
};
</pre>
Here's some code that demonstrates the use of the actions:
<pre>
JFrame frame = new JFrame();
// Create a file chooser
String filename = <font color="#0066ff"><i>File.separator+"tmp"</i></font>;
JFileChooser fc = new JFileChooser(new File(filename));
// Create the actions
Action openAction = new OpenFileAction(<font color="#0066ff"><i>frame</i></font>, fc);
Action saveAction = new SaveFileAction(<font color="#0066ff"><i>frame</i></font>, fc);
// Create buttons for the actions
JButton openButton = new JButton(openAction);
JButton saveButton = new JButton(saveAction);
// Add the buttons to the frame and show the frame
frame.getContentPane().add(openButton, BorderLayout.NORTH);
frame.getContentPane().add(saveButton, BorderLayout.SOUTH);
frame.pack();
frame.setVisible(true);
</pre>
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Related Examples
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e887. <a class="eglink" href="DirOnly.html?l=rel">
Displaying Only Directories in a File Chooser Dialog
</a>
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e888. <a class="eglink" href="Filter.html?l=rel">
Adding a Filter to a File Chooser Dialog
</a>
<br>
e889. <a class="eglink" href="Done.html?l=rel">
Determining If the Approve or Cancel Button Was Clicked in a JFileChooser Dialog
</a>
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e890. <a class="eglink" href="CurDir.html?l=rel">
Getting and Setting the Current Directory of a JFileChooser Dialog
</a>
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e891. <a class="eglink" href="CurFile.html?l=rel">
Getting and Setting the Selected File of a JFileChooser Dialog
</a>
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e892. <a class="eglink" href="GetFileType.html?l=rel">
Getting the File-Type Name of a File
</a>
<br>
e893. <a class="eglink" href="Copy.html?l=rel">
Copying the Filename Path from a JFileChooser Dialog to the Clipboard
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See also:
<a class="eglink" href="/egs/javax.swing.filechooser/pkg.html?l=rel#Events">
Events
</a>
<a class="eglink" href="/egs/javax.swing.filechooser/pkg.html?l=rel#Hidden%20Files">
Hidden Files
</a>
<a class="eglink" href="/egs/javax.swing.filechooser/pkg.html?l=rel#Icons">
Icons
</a>
<a class="eglink" href="/egs/javax.swing.filechooser/pkg.html?l=rel#Layout">
Layout
</a>
<a class="eglink" href="/egs/javax.swing.filechooser/pkg.html?l=rel#Selections">
Selections
</a>
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