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System File Chooser: save and restore size of (fallback) JFileChooser dialog (PR #988)

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Karl Tauber
2025-12-04 11:36:02 +01:00
parent 4f1e5cdb05
commit 6e3633cca3
1 changed files with 32 additions and 1 deletions
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33
flatlaf-core/src/main/java/com/formdev/flatlaf/util/SystemFileChooser.java
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@@ -17,6 +17,7 @@
package com.formdev.flatlaf.util;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.KeyboardFocusManager;
import java.awt.SecondaryLoop;
import java.awt.Toolkit;
@@ -30,6 +31,7 @@ import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Scanner;
import java.util.concurrent.atomic.AtomicReference;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
@@ -265,11 +267,13 @@ public class SystemFileChooser
@Override
public String get( String key, String def ) {
// System.out.println( "mem GET " + key + " = " + state.getOrDefault( key, def ) );
return state.getOrDefault( key, def );
}
@Override
public void put( String key, String value ) {
// System.out.println( "mem PUT " + key + " = " + value );
if( value != null )
state.put( key, value );
else
@@ -1317,7 +1321,34 @@ public class SystemFileChooser
chooser.setCurrentDirectory( fc.getCurrentDirectory() );
chooser.setSelectedFile( fc.getSelectedFile() );
if( chooser.showDialog( owner, null ) != JFileChooser.APPROVE_OPTION )
// restore window size
StateStore store = (stateStore != null) ? stateStore : inMemoryStateStore;
String keyLastWindowSize = fc.buildStateKey( "lastWindowSize" );
String lastWindowSize = store.get( keyLastWindowSize, null );
if( lastWindowSize != null ) {
try( Scanner s = new Scanner( lastWindowSize ) ) {
int width = UIScale.scale( s.nextInt() );
int height = UIScale.scale( s.nextInt() );
Dimension prefSize = chooser.getPreferredSize();
chooser.setPreferredSize( new Dimension(
Math.max( width, prefSize.width ),
Math.max( height, prefSize.height ) ) );
} catch( RuntimeException ex ) {
// ignore
}
}
// show dialog
int result = chooser.showDialog( owner, null );
// save window size
Dimension windowSize = chooser.getSize();
if( windowSize.width > 0 && windowSize.height > 0 ) {
store.put( keyLastWindowSize, UIScale.unscale( windowSize.width )
+ " " + UIScale.unscale( windowSize.height ) );
}
if( result != JFileChooser.APPROVE_OPTION )
return null;
return chooser.isMultiSelectionEnabled()