kske/chess
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Implemented saving the last accessed file system path

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When loading or saving a game file, the file chooser dialog opens inside
the directory that has been last accessed by the user. In case of no
previous access, the home directory is used instead.

Closes #14
This commit is contained in:
Kai S. K. Engelbart 2019-12-11 22:08:43 +01:00
parent 8cdaee349f
commit b6dd75b979
1 changed files with 22 additions and 9 deletions
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31
src/dev/kske/chess/ui/DialogUtil.java
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@ -9,6 +9,7 @@ import java.util.Collection;
import java.util.List;
import java.util.function.BiConsumer;
import java.util.function.Consumer;
import java.util.prefs.Preferences;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
@ -32,22 +33,34 @@ public class DialogUtil {
private DialogUtil() {}
/**
* Saves the last accessed folder for loading and saving game files.
*/
private static Preferences preferences = Preferences.userNodeForPackage(DialogUtil.class);
public static void showFileSelectionDialog(Component parent, Consumer<List<File>> action, Collection<FileNameExtensionFilter> filters) {
JFileChooser fileChooser = new JFileChooser();
fileChooser.setCurrentDirectory(new File(System.getProperty("user.home")));
fileChooser.setAcceptAllFileFilterUsed(false);
filters.forEach(fileChooser::addChoosableFileFilter);
if (fileChooser.showOpenDialog(parent) == JFileChooser.APPROVE_OPTION) action.accept(Arrays.asList(fileChooser.getSelectedFile()));
JFileChooser fileChooser = createFileChooser(filters);
if (fileChooser.showOpenDialog(parent) == JFileChooser.APPROVE_OPTION) {
action.accept(Arrays.asList(fileChooser.getSelectedFile()));
preferences.put("path", fileChooser.getSelectedFile().getParent());
}
}
public static void showFileSaveDialog(Component parent, Consumer<File> action, Collection<FileNameExtensionFilter> filters) {
JFileChooser fileChooser = createFileChooser(filters);
if (fileChooser.showSaveDialog(parent) == JFileChooser.APPROVE_OPTION) {
action.accept(new File(fileChooser.getSelectedFile().getAbsolutePath() + "."
+ ((FileNameExtensionFilter) fileChooser.getFileFilter()).getExtensions()[0]));
preferences.put("path", fileChooser.getSelectedFile().getParent());
}
}
private static JFileChooser createFileChooser(Collection<FileNameExtensionFilter> filters) {
JFileChooser fileChooser = new JFileChooser();
fileChooser.setCurrentDirectory(new File(System.getProperty("user.home")));
fileChooser.setCurrentDirectory(new File(preferences.get("path", System.getProperty("user.home"))));
fileChooser.setAcceptAllFileFilterUsed(false);
filters.forEach(fileChooser::addChoosableFileFilter);
if (fileChooser.showSaveDialog(parent) == JFileChooser.APPROVE_OPTION) action.accept(
new File(fileChooser.getSelectedFile().getAbsolutePath() + "."
+ ((FileNameExtensionFilter) fileChooser.getFileFilter()).getExtensions()[0]));
return fileChooser;
}
public static void showGameConfigurationDialog(Component parent, BiConsumer<String, String> action) {