mirror of
https://github.com/dmolony/DiskBrowser.git
synced 2024-09-27 09:55:28 +00:00
89 lines
2.7 KiB
Java
Executable File
89 lines
2.7 KiB
Java
Executable File
package com.bytezone.diskbrowser.gui;
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import java.awt.event.ActionEvent;
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import java.awt.event.KeyEvent;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.prefs.Preferences;
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import javax.swing.Action;
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import javax.swing.JFileChooser;
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import javax.swing.KeyStroke;
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import com.bytezone.common.DefaultAction;
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import com.bytezone.common.Platform;
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public class RootDirectoryAction extends DefaultAction implements QuitListener
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{
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private static final String prefsRootDirectory = "Root directory";
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private final List<RootDirectoryChangeListener> listeners = new ArrayList<> ();
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private File rootFolder;
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public RootDirectoryAction ()
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{
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super ("Set HOME folder...", "Defines root folder where the disk images are kept",
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"/com/bytezone/diskbrowser/icons/");
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putValue (Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke ("alt H"));
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putValue (Action.MNEMONIC_KEY, KeyEvent.VK_H);
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setIcon (Action.SMALL_ICON, "folder_explore_16.png");
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setIcon (Action.LARGE_ICON_KEY, "folder_explore_32.png");
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}
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@Override
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public void actionPerformed (ActionEvent e)
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{
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JFileChooser chooser = new JFileChooser (Platform.userHome);
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chooser.setDialogTitle ("Select FOLDER containing disk images");
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chooser.setFileSelectionMode (JFileChooser.DIRECTORIES_ONLY);
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if (rootFolder != null)
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chooser.setSelectedFile (rootFolder);
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int result = chooser.showDialog (null, "Accept");
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if (result == JFileChooser.APPROVE_OPTION)
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{
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File rootDirectoryFile = chooser.getSelectedFile ();
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if (!rootDirectoryFile.isDirectory ())
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rootDirectoryFile = rootDirectoryFile.getParentFile ();
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if (rootDirectoryFile != null)
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notifyListeners (rootDirectoryFile);
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}
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}
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public void addListener (RootDirectoryChangeListener listener)
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{
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if (!listeners.contains (listener))
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listeners.add (listener);
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}
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@Override
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public void quit (Preferences prefs)
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{
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prefs.put (prefsRootDirectory,
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rootFolder == null ? "" : rootFolder.getAbsolutePath ());
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}
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@Override
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public void restore (Preferences prefs)
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{
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String rootDirectory = prefs.get (prefsRootDirectory, "");
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File rootDirectoryFile = new File (rootDirectory);
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if (!rootDirectoryFile.exists () || !rootDirectoryFile.isDirectory ())
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{
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System.out.println ("No root directory");
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return;
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}
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notifyListeners (rootDirectoryFile);
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}
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private void notifyListeners (File newRootFolder)
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{
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File oldRootFolder = rootFolder;
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rootFolder = newRootFolder;
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for (RootDirectoryChangeListener listener : listeners)
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listener.rootDirectoryChanged (oldRootFolder, newRootFolder);
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}
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} |