Databases
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    <p>The following example creates a file chooser and displays it as first an open-file dialog and then as a save-file dialog:</p> <pre><code>String filename = File.separator+"tmp"; JFileChooser fc = new JFileChooser(new File(filename)); // Show open dialog; this method does not return until the dialog is closed fc.showOpenDialog(frame); File selFile = fc.getSelectedFile(); // Show save dialog; this method does not return until the dialog is closed fc.showSaveDialog(frame); selFile = fc.getSelectedFile(); </code></pre> <p>Here is a more elaborate example that creates two buttons that create and show file chooser dialogs.</p> <pre><code>// 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(); } }; </code></pre>
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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