System File Chooser: added "Format" combobox on macOS (if using more than one filter)

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatNativeMacLibrary.java

@@ -77,6 +77,7 @@ public class FlatNativeMacLibrary
 		FC_canChooseDirectories				= 1 << 1,
 		FC_resolvesAliases					= 1 << 2,  // default
 		FC_allowsMultipleSelection			= 1 << 3,
+		FC_accessoryViewDisclosed			= 1 << 4,
 		// NSSavePanel
 		FC_showsTagField					= 1 << 8,  // default for Save
 		FC_canCreateDirectories				= 1 << 9,  // default for Save
@@ -84,7 +85,9 @@ public class FlatNativeMacLibrary
 		FC_showsHiddenFiles					= 1 << 11,
 		FC_extensionHidden					= 1 << 12,
 		FC_allowsOtherFileTypes				= 1 << 13,
-		FC_treatsFilePackagesAsDirectories	= 1 << 14;
+		FC_treatsFilePackagesAsDirectories	= 1 << 14,
+		// custom
+		FC_showSingleFilterField			= 1 << 24;
 
 	/**
 	 * Shows the macOS system file dialogs
@@ -99,19 +102,25 @@ public class FlatNativeMacLibrary
 	 * @param title text displayed at top of save dialog (not used in open dialog); or {@code null}
 	 * @param prompt text displayed in default button; or {@code null}
 	 * @param message text displayed at top of open/save dialogs; or {@code null}
+	 * @param filterFieldLabel text displayed in front of the filter combobox; or {@code null}
 	 * @param nameFieldLabel text displayed in front of the filename text field in save dialog (not used in open dialog); or {@code null}
 	 * @param nameFieldStringValue user-editable filename currently shown in the name field in save dialog (not used in open dialog); or {@code null}
 	 * @param directoryURL current directory shown in the dialog; or {@code null}
 	 * @param optionsSet options to set; see {@code FC_*} constants
 	 * @param optionsClear options to clear; see {@code FC_*} constants
-	 * @param allowedFileTypes allowed filename extensions (e.g. "txt")
+	 * @param fileTypeIndex the file type that appears as selected (zero-based)
+	 * @param fileTypes file types that the dialog can open or save.
+	 *        Two or more strings and {@code null} are required for each filter.
+	 *        First string is the display name of the filter shown in the combobox (e.g. "Text Files").
+	 *        Subsequent strings are the filter patterns (e.g. "*.txt" or "*").
+	 *        {@code null} is required to mark end of filter.
 	 * @return file path(s) that the user selected; an empty array if canceled;
 	 *         or {@code null} on failures (no dialog shown)
 	 *
 	 * @since 3.6
 	 */
 	public native static String[] showFileChooser( boolean open,
-		String title, String prompt, String message, String nameFieldLabel,
+		String title, String prompt, String message, String filterFieldLabel,
-		String nameFieldStringValue, String directoryURL,
+		String nameFieldLabel, String nameFieldStringValue, String directoryURL,
-		int optionsSet, int optionsClear, String... allowedFileTypes );
+		int optionsSet, int optionsClear, int fileTypeIndex, String... fileTypes );
 }

flatlaf-core/src/main/java/com/formdev/flatlaf/util/SystemFileChooser.java

@@ -445,7 +445,7 @@ public class SystemFileChooser
 				directoryURL = currentDirectory.getAbsolutePath();
 
 			// options
-			int optionsSet = 0;
+			int optionsSet = FlatNativeMacLibrary.FC_accessoryViewDisclosed;
 			int optionsClear = 0;
 			if( fc.isDirectorySelectionEnabled() ) {
 				optionsSet |= FlatNativeMacLibrary.FC_canChooseDirectories;
@@ -459,9 +459,9 @@ public class SystemFileChooser
 
 			// show system file dialog
 			return FlatNativeMacLibrary.showFileChooser( open,
-				fc.getDialogTitle(), fc.getApproveButtonText(), null, null,
+				fc.getDialogTitle(), fc.getApproveButtonText(), null, null, null,
 				nameFieldStringValue, directoryURL,
-				optionsSet, optionsClear );
+				optionsSet, optionsClear, 0 );
 		}
 	}
 

flatlaf-natives/flatlaf-natives-macos/src/main/headers/com_formdev_flatlaf_ui_FlatNativeMacLibrary.h

@@ -21,6 +21,8 @@ extern "C" {
 #define com_formdev_flatlaf_ui_FlatNativeMacLibrary_FC_resolvesAliases 4L
 #undef com_formdev_flatlaf_ui_FlatNativeMacLibrary_FC_allowsMultipleSelection
 #define com_formdev_flatlaf_ui_FlatNativeMacLibrary_FC_allowsMultipleSelection 8L
+#undef com_formdev_flatlaf_ui_FlatNativeMacLibrary_FC_accessoryViewDisclosed
+#define com_formdev_flatlaf_ui_FlatNativeMacLibrary_FC_accessoryViewDisclosed 16L
 #undef com_formdev_flatlaf_ui_FlatNativeMacLibrary_FC_showsTagField
 #define com_formdev_flatlaf_ui_FlatNativeMacLibrary_FC_showsTagField 256L
 #undef com_formdev_flatlaf_ui_FlatNativeMacLibrary_FC_canCreateDirectories
@@ -35,6 +37,8 @@ extern "C" {
 #define com_formdev_flatlaf_ui_FlatNativeMacLibrary_FC_allowsOtherFileTypes 8192L
 #undef com_formdev_flatlaf_ui_FlatNativeMacLibrary_FC_treatsFilePackagesAsDirectories
 #define com_formdev_flatlaf_ui_FlatNativeMacLibrary_FC_treatsFilePackagesAsDirectories 16384L
+#undef com_formdev_flatlaf_ui_FlatNativeMacLibrary_FC_showSingleFilterField
+#define com_formdev_flatlaf_ui_FlatNativeMacLibrary_FC_showSingleFilterField 16777216L
 /*
  * Class:     com_formdev_flatlaf_ui_FlatNativeMacLibrary
  * Method:    setWindowRoundedBorder
@@ -78,10 +82,10 @@ JNIEXPORT jboolean JNICALL Java_com_formdev_flatlaf_ui_FlatNativeMacLibrary_togg
 /*
  * Class:     com_formdev_flatlaf_ui_FlatNativeMacLibrary
  * Method:    showFileChooser
- * Signature: (ZLjava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;II[Ljava/lang/String;)[Ljava/lang/String;
+ * Signature: (ZLjava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;III[Ljava/lang/String;)[Ljava/lang/String;
  */
 JNIEXPORT jobjectArray JNICALL Java_com_formdev_flatlaf_ui_FlatNativeMacLibrary_showFileChooser
-  (JNIEnv *, jclass, jboolean, jstring, jstring, jstring, jstring, jstring, jstring, jint, jint, jobjectArray);
+  (JNIEnv *, jclass, jboolean, jstring, jstring, jstring, jstring, jstring, jstring, jstring, jint, jint, jint, jobjectArray);
 
 #ifdef __cplusplus
 }

flatlaf-natives/flatlaf-natives-macos/src/main/objcpp/MacFileChooser.mm

@@ -26,6 +26,80 @@
  * @since 3.6
  */
 
+//---- class FileChooserDelegate ----------------------------------------------
+
+@interface FileChooserDelegate : NSObject {
+		NSArray* _filters;
+	}
+
+	@property (nonatomic, assign) NSSavePanel* dialog;
+
+	- (void)initFilterAccessoryView: (NSMutableArray*)filters :(int)filterIndex
+		:(NSString*)filterFieldLabel :(bool)showSingleFilterField;
+	- (void)selectFormat: (id)sender;
+	- (void)selectFormatAtIndex: (int)index;
+@end
+
+@implementation FileChooserDelegate
+
+	- (void)initFilterAccessoryView: (NSMutableArray*)filters :(int)filterIndex
+		:(NSString*)filterFieldLabel :(bool)showSingleFilterField
+	{
+		_filters = filters;
+
+		// get filter names
+		NSArray* filterNames = filters.lastObject;
+		[filters removeLastObject];
+
+		// do not add filter/format combobox if there is only one filter
+		if( filters.count <= 1 && !showSingleFilterField ) {
+			[self selectFormatAtIndex:0];
+			return;
+		}
+
+		// create label
+		NSTextField* label = [[NSTextField alloc] initWithFrame:NSMakeRect( 0, 0, 60, 22 )];
+		label.stringValue = (filterFieldLabel != NULL) ? filterFieldLabel : @"Format:";
+		label.editable = NO;
+		label.bordered = NO;
+		label.bezeled = NO;
+		label.drawsBackground = NO;
+
+		// create combobox
+		NSPopUpButton* popupButton = [[NSPopUpButton alloc] initWithFrame:NSMakeRect( 50, 2, 140, 22 ) pullsDown:NO];
+		[popupButton addItemsWithTitles:filterNames];
+		[popupButton selectItemAtIndex:MIN( MAX( filterIndex, 0 ), filterNames.count - 1 )];
+		[popupButton setTarget:self];
+		[popupButton setAction:@selector(selectFormat:)];
+
+		// create view
+		NSView* accessoryView = [[NSView alloc] initWithFrame:NSMakeRect( 0, 0, 200, 32 )];
+		[accessoryView addSubview:label];
+		[accessoryView addSubview:popupButton];
+
+		[_dialog setAccessoryView:accessoryView];
+
+		// initial filter
+		[self selectFormatAtIndex:filterIndex];
+	}
+
+	- (void)selectFormat:(id)sender {
+		NSPopUpButton* popupButton = (NSPopUpButton*) sender;
+		[self selectFormatAtIndex:popupButton.indexOfSelectedItem];
+	}
+
+	- (void)selectFormatAtIndex: (int)index {
+		index = MIN( MAX( index, 0 ), _filters.count - 1 );
+		NSArray* fileTypes = [_filters objectAtIndex:index];
+
+		// use deprecated allowedFileTypes instead of newer allowedContentTypes (since macOS 11+)
+		// to support older macOS versions 10.14+ and because of some problems with allowedContentTypes:
+		// https://github.com/chromium/chromium/blob/d8e0032963b7ca4728ff4117933c0feb3e479b7a/components/remote_cocoa/app_shim/select_file_dialog_bridge.mm#L209-232
+		_dialog.allowedFileTypes = [fileTypes containsObject:@"*"] ? nil : fileTypes;
+	}
+
+@end
+
 //---- helper -----------------------------------------------------------------
 
 #define isOptionSet( option ) ((optionsSet & com_formdev_flatlaf_ui_FlatNativeMacLibrary_ ## option) != 0)
@@ -40,14 +114,55 @@ jobjectArray newJavaStringArray( JNIEnv* env, jsize count ) {
 	return env->NewObjectArray( count, stringClass, NULL );
 }
 
+static NSMutableArray* initFilters( JNIEnv* env, jobjectArray fileTypes ) {
+	jint length = env->GetArrayLength( fileTypes );
+	if( length <= 0 )
+		return NULL;
+
+	NSMutableArray* filterNames = [NSMutableArray array];
+	NSMutableArray* filters = [NSMutableArray array];
+	NSString* filterName = NULL;
+	NSMutableArray* filter = NULL;
+	for( int i = 0; i < length; i++ ) {
+		jstring jstr = (jstring) env->GetObjectArrayElement( fileTypes, i );
+		if( jstr == NULL ) {
+			if( filter != NULL ) {
+				if( filter.count > 0 ) {
+					[filterNames addObject:filterName];
+					[filters addObject:filter];
+				}
+				filterName = NULL;
+				filter = NULL;
+			}
+			continue;
+		}
+
+		NSString* str = JavaToNSString( env, jstr );
+		env->DeleteLocalRef( jstr );
+		if( filter == NULL ) {
+			filterName = str;
+			filter = [NSMutableArray array];
+		} else
+			[filter addObject:str];
+	}
+
+	if( filters.count == 0 )
+		return NULL;
+
+	// add filter names to array (removed again after creating combobox)
+	[filters addObject:filterNames];
+
+	return filters;
+}
+
 //---- JNI methods ------------------------------------------------------------
 
 extern "C"
 JNIEXPORT jobjectArray JNICALL Java_com_formdev_flatlaf_ui_FlatNativeMacLibrary_showFileChooser
 	( JNIEnv* env, jclass cls, jboolean open,
-		jstring title, jstring prompt, jstring message, jstring nameFieldLabel,
+		jstring title, jstring prompt, jstring message, jstring filterFieldLabel,
-		jstring nameFieldStringValue, jstring directoryURL,
+		jstring nameFieldLabel, jstring nameFieldStringValue, jstring directoryURL,
-		jint optionsSet, jint optionsClear, jobjectArray allowedFileTypes )
+		jint optionsSet, jint optionsClear, jint fileTypeIndex, jobjectArray fileTypes )
 {
 	JNI_COCOA_ENTER()
 
@@ -55,21 +170,11 @@ JNIEXPORT jobjectArray JNICALL Java_com_formdev_flatlaf_ui_FlatNativeMacLibrary_
 	NSString* nsTitle = JavaToNSString( env, title );
 	NSString* nsPrompt = JavaToNSString( env, prompt );
 	NSString* nsMessage = JavaToNSString( env, message );
+	NSString* nsFilterFieldLabel = JavaToNSString( env, filterFieldLabel );
 	NSString* nsNameFieldLabel = JavaToNSString( env, nameFieldLabel );
 	NSString* nsNameFieldStringValue = JavaToNSString( env, nameFieldStringValue );
 	NSString* nsDirectoryURL = JavaToNSString( env, directoryURL );
-
+	NSMutableArray* filters = initFilters( env, fileTypes );
-	NSArray* nsAllowedFileTypes = NULL;
-	jsize len = env->GetArrayLength( allowedFileTypes );
-	if( len > 0 ) {
-		NSMutableArray* nsArray = [NSMutableArray arrayWithCapacity:len];
-		for( int i = 0; i < len; i++ ) {
-			jstring str = (jstring) env->GetObjectArrayElement( allowedFileTypes, i );
-			nsArray[i] = JavaToNSString( env, str );
-			env->DeleteLocalRef( str );
-		}
-		nsAllowedFileTypes = nsArray;
-	}
 
 	NSArray* urls = NULL;
 	NSArray** purls = &urls;
@@ -93,6 +198,7 @@ JNIEXPORT jobjectArray JNICALL Java_com_formdev_flatlaf_ui_FlatNativeMacLibrary_
 		if( nsDirectoryURL != NULL )
 			dialog.directoryURL = [NSURL fileURLWithPath:nsDirectoryURL isDirectory:YES];
 
+		// set open options
 		if( open ) {
 			NSOpenPanel* openDialog = (NSOpenPanel*) dialog;
 
@@ -109,6 +215,7 @@ JNIEXPORT jobjectArray JNICALL Java_com_formdev_flatlaf_ui_FlatNativeMacLibrary_
 				openDialog.allowsMultipleSelection = isOptionSet( FC_allowsMultipleSelection );
 		}
 
+		// set options
 		if( isOptionSetOrClear( FC_showsTagField ) )
 			dialog.showsTagField = isOptionSet( FC_showsTagField );
 		if( isOptionSetOrClear( FC_canCreateDirectories ) )
@@ -124,13 +231,21 @@ JNIEXPORT jobjectArray JNICALL Java_com_formdev_flatlaf_ui_FlatNativeMacLibrary_
 		if( isOptionSetOrClear( FC_treatsFilePackagesAsDirectories ) )
 			dialog.treatsFilePackagesAsDirectories = isOptionSet( FC_treatsFilePackagesAsDirectories );
 
-		// use deprecated allowedFileTypes instead of newer allowedContentTypes (since macOS 11+)
+		FileChooserDelegate* delegate = [FileChooserDelegate new];
-		// to support older macOS versions 10.14+ and because of some problems with allowedContentTypes:
+		delegate.dialog = dialog;
-		// https://github.com/chromium/chromium/blob/d8e0032963b7ca4728ff4117933c0feb3e479b7a/components/remote_cocoa/app_shim/select_file_dialog_bridge.mm#L209-232
-		if( nsAllowedFileTypes != NULL )
-			dialog.allowedFileTypes = nsAllowedFileTypes;
 
-		if( [dialog runModal] != NSModalResponseOK )
+		// initialize filter accessory view
+		if( filters != NULL ) {
+			[delegate initFilterAccessoryView:filters :fileTypeIndex :nsFilterFieldLabel :isOptionSet( FC_showSingleFilterField )];
+
+			if( open && isOptionSetOrClear( FC_accessoryViewDisclosed ) )
+				((NSOpenPanel*)dialog).accessoryViewDisclosed = isOptionSet( FC_accessoryViewDisclosed );
+		}
+
+		// show dialog
+		NSModalResponse response = [dialog runModal];
+		[delegate release];
+		if( response != NSModalResponseOK )
 			return;
 
 		if( open )

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatSystemFileChooserMacTest.java

@@ -66,6 +66,8 @@ public class FlatSystemFileChooserMacTest
 
 	FlatSystemFileChooserMacTest() {
 		initComponents();
+
+		fileTypesField.setSelectedItem( null );
 	}
 
 	private void open() {
@@ -88,6 +90,7 @@ public class FlatSystemFileChooserMacTest
 		String title = n( titleField.getText() );
 		String prompt = n( promptField.getText() );
 		String message = n( messageField.getText() );
+		String filterFieldLabel = n( filterFieldLabelField.getText() );
 		String nameFieldLabel = n( nameFieldLabelField.getText() );
 		String nameFieldStringValue = n( nameFieldStringValueField.getText() );
 		String directoryURL = n( directoryURLField.getText() );
@@ -101,6 +104,8 @@ public class FlatSystemFileChooserMacTest
 			optionsSet.set( optionsSet.get() | FC_canChooseDirectories );
 		o( FC_resolvesAliases, resolvesAliasesCheckBox, optionsSet, optionsClear );
 		o( FC_allowsMultipleSelection, allowsMultipleSelectionCheckBox, optionsSet, optionsClear );
+		if( accessoryViewDisclosedCheckBox.isSelected() )
+			optionsSet.set( optionsSet.get() | FC_accessoryViewDisclosed );
 
 		// NSSavePanel
 		o( FC_showsTagField, showsTagFieldCheckBox, optionsSet, optionsClear );
@@ -111,25 +116,39 @@ public class FlatSystemFileChooserMacTest
 		o( FC_allowsOtherFileTypes, allowsOtherFileTypesCheckBox, optionsSet, optionsClear );
 		o( FC_treatsFilePackagesAsDirectories, treatsFilePackagesAsDirectoriesCheckBox, optionsSet, optionsClear );
 
-		String allowedFileTypesStr = n( allowedFileTypesField.getText() );
+		// custom
-		String[] allowedFileTypes = {};
+		if( showSingleFilterFieldCheckBox.isSelected() )
-		if( allowedFileTypesStr != null )
+			optionsSet.set( optionsSet.get() | FC_showSingleFilterField );
-			allowedFileTypes = allowedFileTypesStr.trim().split( "[ ,]+" );
+
+		String fileTypesStr = n( (String) fileTypesField.getSelectedItem() );
+		String[] fileTypes = {};
+		if( fileTypesStr != null ) {
+			if( !fileTypesStr.endsWith( ",null" ) )
+				fileTypesStr += ",null";
+			fileTypes = fileTypesStr.trim().split( "[,]+" );
+			for( int i = 0; i < fileTypes.length; i++ ) {
+				if( "null".equals( fileTypes[i] ) )
+					fileTypes[i] = null;
+			}
+		}
+		int fileTypeIndex = fileTypeIndexSlider.getValue();
 
 		if( direct ) {
-			String[] files = FlatNativeMacLibrary.showFileChooser( open, title, prompt, message,
+			String[] files = FlatNativeMacLibrary.showFileChooser( open,
+				title, prompt, message, filterFieldLabel,
 				nameFieldLabel, nameFieldStringValue, directoryURL,
-				optionsSet.get(), optionsClear.get(), allowedFileTypes );
+				optionsSet.get(), optionsClear.get(), fileTypeIndex, fileTypes );
 
 			filesField.setText( (files != null) ? Arrays.toString( files ).replace( ',', '\n' ) : "null" );
 		} else {
 			SecondaryLoop secondaryLoop = Toolkit.getDefaultToolkit().getSystemEventQueue().createSecondaryLoop();
 
-			String[] allowedFileTypes2 = allowedFileTypes;
+			String[] fileTypes2 = fileTypes;
 			new Thread( () -> {
-				String[] files = FlatNativeMacLibrary.showFileChooser( open, title, prompt, message,
+				String[] files = FlatNativeMacLibrary.showFileChooser( open,
+					title, prompt, message, filterFieldLabel,
 					nameFieldLabel, nameFieldStringValue, directoryURL,
-					optionsSet.get(), optionsClear.get(), allowedFileTypes2 );
+					optionsSet.get(), optionsClear.get(), fileTypeIndex, fileTypes2 );
 
 				System.out.println( "    secondaryLoop.exit() returned " + secondaryLoop.exit() );
 
@@ -144,7 +163,7 @@ public class FlatSystemFileChooserMacTest
 	}
 
 	private static String n( String s ) {
-		return !s.isEmpty() ? s : null;
+		return s != null && !s.isEmpty() ? s : null;
 	}
 
 	private static void o( int option, FlatTriStateCheckBox checkBox, AtomicInteger optionsSet, AtomicInteger optionsClear ) {
@@ -220,6 +239,7 @@ public class FlatSystemFileChooserMacTest
 		canChooseDirectoriesCheckBox = new JCheckBox();
 		resolvesAliasesCheckBox = new FlatTriStateCheckBox();
 		allowsMultipleSelectionCheckBox = new FlatTriStateCheckBox();
+		accessoryViewDisclosedCheckBox = new JCheckBox();
 		options2Label = new JLabel();
 		showsTagFieldCheckBox = new FlatTriStateCheckBox();
 		canCreateDirectoriesCheckBox = new FlatTriStateCheckBox();
@@ -228,18 +248,24 @@ public class FlatSystemFileChooserMacTest
 		extensionHiddenCheckBox = new FlatTriStateCheckBox();
 		allowsOtherFileTypesCheckBox = new FlatTriStateCheckBox();
 		treatsFilePackagesAsDirectoriesCheckBox = new FlatTriStateCheckBox();
+		options3Label = new JLabel();
+		showSingleFilterFieldCheckBox = new JCheckBox();
 		promptLabel = new JLabel();
 		promptField = new JTextField();
 		messageLabel = new JLabel();
 		messageField = new JTextField();
+		filterFieldLabelLabel = new JLabel();
+		filterFieldLabelField = new JTextField();
 		nameFieldLabelLabel = new JLabel();
 		nameFieldLabelField = new JTextField();
 		nameFieldStringValueLabel = new JLabel();
 		nameFieldStringValueField = new JTextField();
 		directoryURLLabel = new JLabel();
 		directoryURLField = new JTextField();
-		allowedFileTypesLabel = new JLabel();
+		fileTypesLabel = new JLabel();
-		allowedFileTypesField = new JTextField();
+		fileTypesField = new JComboBox<>();
+		fileTypeIndexLabel = new JLabel();
+		fileTypeIndexSlider = new JSlider();
 		openButton = new JButton();
 		saveButton = new JButton();
 		openDirectButton = new JButton();
@@ -264,6 +290,8 @@ public class FlatSystemFileChooserMacTest
 			"[]" +
 			"[]" +
 			"[]" +
+			"[]" +
+			"[]" +
 			"[grow,fill]"));
 
 		//---- titleLabel ----
@@ -282,6 +310,7 @@ public class FlatSystemFileChooserMacTest
 				"[]0" +
 				"[]0" +
 				"[]0" +
+				"[]0" +
 				"[]para" +
 				"[]" +
 				"[]0" +
@@ -290,6 +319,8 @@ public class FlatSystemFileChooserMacTest
 				"[]0" +
 				"[]0" +
 				"[]0" +
+				"[]para" +
+				"[]" +
 				"[]"));
 
 			//---- options1Label ----
@@ -314,39 +345,51 @@ public class FlatSystemFileChooserMacTest
 			allowsMultipleSelectionCheckBox.setText("allowsMultipleSelection");
 			panel1.add(allowsMultipleSelectionCheckBox, "cell 0 4");
 
+			//---- accessoryViewDisclosedCheckBox ----
+			accessoryViewDisclosedCheckBox.setText("accessoryViewDisclosed");
+			panel1.add(accessoryViewDisclosedCheckBox, "cell 0 5");
+
 			//---- options2Label ----
 			options2Label.setText("NSOpenPanel and NSSavePanel options:");
-			panel1.add(options2Label, "cell 0 5");
+			panel1.add(options2Label, "cell 0 6");
 
 			//---- showsTagFieldCheckBox ----
 			showsTagFieldCheckBox.setText("showsTagField");
-			panel1.add(showsTagFieldCheckBox, "cell 0 6");
+			panel1.add(showsTagFieldCheckBox, "cell 0 7");
 
 			//---- canCreateDirectoriesCheckBox ----
 			canCreateDirectoriesCheckBox.setText("canCreateDirectories");
-			panel1.add(canCreateDirectoriesCheckBox, "cell 0 7");
+			panel1.add(canCreateDirectoriesCheckBox, "cell 0 8");
 
 			//---- canSelectHiddenExtensionCheckBox ----
 			canSelectHiddenExtensionCheckBox.setText("canSelectHiddenExtension");
-			panel1.add(canSelectHiddenExtensionCheckBox, "cell 0 8");
+			panel1.add(canSelectHiddenExtensionCheckBox, "cell 0 9");
 
 			//---- showsHiddenFilesCheckBox ----
 			showsHiddenFilesCheckBox.setText("showsHiddenFiles");
-			panel1.add(showsHiddenFilesCheckBox, "cell 0 9");
+			panel1.add(showsHiddenFilesCheckBox, "cell 0 10");
 
 			//---- extensionHiddenCheckBox ----
 			extensionHiddenCheckBox.setText("extensionHidden");
-			panel1.add(extensionHiddenCheckBox, "cell 0 10");
+			panel1.add(extensionHiddenCheckBox, "cell 0 11");
 
 			//---- allowsOtherFileTypesCheckBox ----
 			allowsOtherFileTypesCheckBox.setText("allowsOtherFileTypes");
-			panel1.add(allowsOtherFileTypesCheckBox, "cell 0 11");
+			panel1.add(allowsOtherFileTypesCheckBox, "cell 0 12");
 
 			//---- treatsFilePackagesAsDirectoriesCheckBox ----
 			treatsFilePackagesAsDirectoriesCheckBox.setText("treatsFilePackagesAsDirectories");
-			panel1.add(treatsFilePackagesAsDirectoriesCheckBox, "cell 0 12");
+			panel1.add(treatsFilePackagesAsDirectoriesCheckBox, "cell 0 13");
+
+			//---- options3Label ----
+			options3Label.setText("Custom options:");
+			panel1.add(options3Label, "cell 0 14");
+
+			//---- showSingleFilterFieldCheckBox ----
+			showSingleFilterFieldCheckBox.setText("showSingleFilterField");
+			panel1.add(showSingleFilterFieldCheckBox, "cell 0 15");
 		}
-		add(panel1, "cell 2 0 1 8,aligny top,growy 0");
+		add(panel1, "cell 2 0 1 10,aligny top,growy 0");
 
 		//---- promptLabel ----
 		promptLabel.setText("prompt");
@@ -358,45 +401,72 @@ public class FlatSystemFileChooserMacTest
 		add(messageLabel, "cell 0 2");
 		add(messageField, "cell 1 2");
 
+		//---- filterFieldLabelLabel ----
+		filterFieldLabelLabel.setText("filterFieldLabel");
+		add(filterFieldLabelLabel, "cell 0 3");
+		add(filterFieldLabelField, "cell 1 3");
+
 		//---- nameFieldLabelLabel ----
 		nameFieldLabelLabel.setText("nameFieldLabel");
-		add(nameFieldLabelLabel, "cell 0 3");
+		add(nameFieldLabelLabel, "cell 0 4");
-		add(nameFieldLabelField, "cell 1 3");
+		add(nameFieldLabelField, "cell 1 4");
 
 		//---- nameFieldStringValueLabel ----
 		nameFieldStringValueLabel.setText("nameFieldStringValue");
-		add(nameFieldStringValueLabel, "cell 0 4");
+		add(nameFieldStringValueLabel, "cell 0 5");
-		add(nameFieldStringValueField, "cell 1 4");
+		add(nameFieldStringValueField, "cell 1 5");
 
 		//---- directoryURLLabel ----
 		directoryURLLabel.setText("directoryURL");
-		add(directoryURLLabel, "cell 0 5");
+		add(directoryURLLabel, "cell 0 6");
-		add(directoryURLField, "cell 1 5");
+		add(directoryURLField, "cell 1 6");
 
-		//---- allowedFileTypesLabel ----
+		//---- fileTypesLabel ----
-		allowedFileTypesLabel.setText("allowedFileTypes");
+		fileTypesLabel.setText("fileTypes");
-		add(allowedFileTypesLabel, "cell 0 6");
+		add(fileTypesLabel, "cell 0 7");
-		add(allowedFileTypesField, "cell 1 6");
+
+		//---- fileTypesField ----
+		fileTypesField.setEditable(true);
+		fileTypesField.setModel(new DefaultComboBoxModel<>(new String[] {
+			"Text Files,txt,null",
+			"All Files,*,null",
+			"Text Files,txt,null,PDF Files,pdf,null,All Files,*,null",
+			"Text and PDF Files,txt,pdf,null",
+			"Compressed,zip,gz,null,Disk Images,dmg,null"
+		}));
+		add(fileTypesField, "cell 1 7");
+
+		//---- fileTypeIndexLabel ----
+		fileTypeIndexLabel.setText("fileTypeIndex");
+		add(fileTypeIndexLabel, "cell 0 8");
+
+		//---- fileTypeIndexSlider ----
+		fileTypeIndexSlider.setMaximum(10);
+		fileTypeIndexSlider.setMajorTickSpacing(1);
+		fileTypeIndexSlider.setValue(0);
+		fileTypeIndexSlider.setPaintLabels(true);
+		fileTypeIndexSlider.setSnapToTicks(true);
+		add(fileTypeIndexSlider, "cell 1 8");
 
 		//---- openButton ----
 		openButton.setText("Open...");
 		openButton.addActionListener(e -> open());
-		add(openButton, "cell 0 8 3 1");
+		add(openButton, "cell 0 10 3 1");
 
 		//---- saveButton ----
 		saveButton.setText("Save...");
 		saveButton.addActionListener(e -> save());
-		add(saveButton, "cell 0 8 3 1");
+		add(saveButton, "cell 0 10 3 1");
 
 		//---- openDirectButton ----
 		openDirectButton.setText("Open (no-thread)...");
 		openDirectButton.addActionListener(e -> openDirect());
-		add(openDirectButton, "cell 0 8 3 1");
+		add(openDirectButton, "cell 0 10 3 1");
 
 		//---- saveDirectButton ----
 		saveDirectButton.setText("Save (no-thread)...");
 		saveDirectButton.addActionListener(e -> saveDirect());
-		add(saveDirectButton, "cell 0 8 3 1");
+		add(saveDirectButton, "cell 0 10 3 1");
 
 		//======== filesScrollPane ========
 		{
@@ -405,7 +475,7 @@ public class FlatSystemFileChooserMacTest
 			filesField.setRows(8);
 			filesScrollPane.setViewportView(filesField);
 		}
-		add(filesScrollPane, "cell 0 9 3 1,growx");
+		add(filesScrollPane, "cell 0 11 3 1,growx");
 		// JFormDesigner - End of component initialization  //GEN-END:initComponents
 	}
 
@@ -418,6 +488,7 @@ public class FlatSystemFileChooserMacTest
 	private JCheckBox canChooseDirectoriesCheckBox;
 	private FlatTriStateCheckBox resolvesAliasesCheckBox;
 	private FlatTriStateCheckBox allowsMultipleSelectionCheckBox;
+	private JCheckBox accessoryViewDisclosedCheckBox;
 	private JLabel options2Label;
 	private FlatTriStateCheckBox showsTagFieldCheckBox;
 	private FlatTriStateCheckBox canCreateDirectoriesCheckBox;
@@ -426,18 +497,24 @@ public class FlatSystemFileChooserMacTest
 	private FlatTriStateCheckBox extensionHiddenCheckBox;
 	private FlatTriStateCheckBox allowsOtherFileTypesCheckBox;
 	private FlatTriStateCheckBox treatsFilePackagesAsDirectoriesCheckBox;
+	private JLabel options3Label;
+	private JCheckBox showSingleFilterFieldCheckBox;
 	private JLabel promptLabel;
 	private JTextField promptField;
 	private JLabel messageLabel;
 	private JTextField messageField;
+	private JLabel filterFieldLabelLabel;
+	private JTextField filterFieldLabelField;
 	private JLabel nameFieldLabelLabel;
 	private JTextField nameFieldLabelField;
 	private JLabel nameFieldStringValueLabel;
 	private JTextField nameFieldStringValueField;
 	private JLabel directoryURLLabel;
 	private JTextField directoryURLField;
-	private JLabel allowedFileTypesLabel;
+	private JLabel fileTypesLabel;
-	private JTextField allowedFileTypesField;
+	private JComboBox<String> fileTypesField;
+	private JLabel fileTypeIndexLabel;
+	private JSlider fileTypeIndexSlider;
 	private JButton openButton;
 	private JButton saveButton;
 	private JButton openDirectButton;

flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatSystemFileChooserMacTest.jfd

@@ -6,7 +6,7 @@ new FormModel {
 		add( new FormContainer( "com.formdev.flatlaf.testing.FlatTestPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
 			"$layoutConstraints": "ltr,insets dialog,hidemode 3"
 			"$columnConstraints": "[left][grow,fill][fill]"
-			"$rowConstraints": "[][][][][][][][][][grow,fill]"
+			"$rowConstraints": "[][][][][][][][][][][][grow,fill]"
 		} ) {
 			name: "this"
 			add( new FormComponent( "javax.swing.JLabel" ) {
@@ -23,7 +23,7 @@ new FormModel {
 			add( new FormContainer( "javax.swing.JPanel", new FormLayoutManager( class net.miginfocom.swing.MigLayout ) {
 				"$layoutConstraints": "insets 2,hidemode 3"
 				"$columnConstraints": "[left]"
-				"$rowConstraints": "[][]0[]0[]0[]para[][]0[]0[]0[]0[]0[]0[]"
+				"$rowConstraints": "[][]0[]0[]0[]0[]para[][]0[]0[]0[]0[]0[]0[]para[][]"
 			} ) {
 				name: "panel1"
 				add( new FormComponent( "javax.swing.JLabel" ) {
@@ -58,56 +58,74 @@ new FormModel {
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 					"value": "cell 0 4"
 				} )
+				add( new FormComponent( "javax.swing.JCheckBox" ) {
+					name: "accessoryViewDisclosedCheckBox"
+					"text": "accessoryViewDisclosed"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 0 5"
+				} )
 				add( new FormComponent( "javax.swing.JLabel" ) {
 					name: "options2Label"
 					"text": "NSOpenPanel and NSSavePanel options:"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-					"value": "cell 0 5"
+					"value": "cell 0 6"
 				} )
 				add( new FormComponent( "com.formdev.flatlaf.extras.components.FlatTriStateCheckBox" ) {
 					name: "showsTagFieldCheckBox"
 					"text": "showsTagField"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-					"value": "cell 0 6"
+					"value": "cell 0 7"
 				} )
 				add( new FormComponent( "com.formdev.flatlaf.extras.components.FlatTriStateCheckBox" ) {
 					name: "canCreateDirectoriesCheckBox"
 					"text": "canCreateDirectories"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-					"value": "cell 0 7"
+					"value": "cell 0 8"
 				} )
 				add( new FormComponent( "com.formdev.flatlaf.extras.components.FlatTriStateCheckBox" ) {
 					name: "canSelectHiddenExtensionCheckBox"
 					"text": "canSelectHiddenExtension"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-					"value": "cell 0 8"
+					"value": "cell 0 9"
 				} )
 				add( new FormComponent( "com.formdev.flatlaf.extras.components.FlatTriStateCheckBox" ) {
 					name: "showsHiddenFilesCheckBox"
 					"text": "showsHiddenFiles"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-					"value": "cell 0 9"
+					"value": "cell 0 10"
 				} )
 				add( new FormComponent( "com.formdev.flatlaf.extras.components.FlatTriStateCheckBox" ) {
 					name: "extensionHiddenCheckBox"
 					"text": "extensionHidden"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-					"value": "cell 0 10"
+					"value": "cell 0 11"
 				} )
 				add( new FormComponent( "com.formdev.flatlaf.extras.components.FlatTriStateCheckBox" ) {
 					name: "allowsOtherFileTypesCheckBox"
 					"text": "allowsOtherFileTypes"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-					"value": "cell 0 11"
+					"value": "cell 0 12"
 				} )
 				add( new FormComponent( "com.formdev.flatlaf.extras.components.FlatTriStateCheckBox" ) {
 					name: "treatsFilePackagesAsDirectoriesCheckBox"
 					"text": "treatsFilePackagesAsDirectories"
 				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-					"value": "cell 0 12"
+					"value": "cell 0 13"
+				} )
+				add( new FormComponent( "javax.swing.JLabel" ) {
+					name: "options3Label"
+					"text": "Custom options:"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 0 14"
+				} )
+				add( new FormComponent( "javax.swing.JCheckBox" ) {
+					name: "showSingleFilterFieldCheckBox"
+					"text": "showSingleFilterField"
+				}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+					"value": "cell 0 15"
 				} )
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-				"value": "cell 2 0 1 8,aligny top,growy 0"
+				"value": "cell 2 0 1 10,aligny top,growy 0"
 			} )
 			add( new FormComponent( "javax.swing.JLabel" ) {
 				name: "promptLabel"
@@ -132,76 +150,112 @@ new FormModel {
 				"value": "cell 1 2"
 			} )
 			add( new FormComponent( "javax.swing.JLabel" ) {
-				name: "nameFieldLabelLabel"
+				name: "filterFieldLabelLabel"
-				"text": "nameFieldLabel"
+				"text": "filterFieldLabel"
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 0 3"
 			} )
 			add( new FormComponent( "javax.swing.JTextField" ) {
-				name: "nameFieldLabelField"
+				name: "filterFieldLabelField"
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
 				"value": "cell 1 3"
 			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "nameFieldLabelLabel"
+				"text": "nameFieldLabel"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 4"
+			} )
+			add( new FormComponent( "javax.swing.JTextField" ) {
+				name: "nameFieldLabelField"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 4"
+			} )
 			add( new FormComponent( "javax.swing.JLabel" ) {
 				name: "nameFieldStringValueLabel"
 				"text": "nameFieldStringValue"
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-				"value": "cell 0 4"
+				"value": "cell 0 5"
 			} )
 			add( new FormComponent( "javax.swing.JTextField" ) {
 				name: "nameFieldStringValueField"
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-				"value": "cell 1 4"
+				"value": "cell 1 5"
 			} )
 			add( new FormComponent( "javax.swing.JLabel" ) {
 				name: "directoryURLLabel"
 				"text": "directoryURL"
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-				"value": "cell 0 5"
+				"value": "cell 0 6"
 			} )
 			add( new FormComponent( "javax.swing.JTextField" ) {
 				name: "directoryURLField"
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-				"value": "cell 1 5"
+				"value": "cell 1 6"
 			} )
 			add( new FormComponent( "javax.swing.JLabel" ) {
-				name: "allowedFileTypesLabel"
+				name: "fileTypesLabel"
-				"text": "allowedFileTypes"
+				"text": "fileTypes"
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-				"value": "cell 0 6"
+				"value": "cell 0 7"
 			} )
-			add( new FormComponent( "javax.swing.JTextField" ) {
+			add( new FormComponent( "javax.swing.JComboBox" ) {
-				name: "allowedFileTypesField"
+				name: "fileTypesField"
+				"editable": true
+				"model": new javax.swing.DefaultComboBoxModel {
+					selectedItem: "Text Files,txt,null"
+					addElement( "Text Files,txt,null" )
+					addElement( "All Files,*,null" )
+					addElement( "Text Files,txt,null,PDF Files,pdf,null,All Files,*,null" )
+					addElement( "Text and PDF Files,txt,pdf,null" )
+					addElement( "Compressed,zip,gz,null,Disk Images,dmg,null" )
+				}
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-				"value": "cell 1 6"
+				"value": "cell 1 7"
+			} )
+			add( new FormComponent( "javax.swing.JLabel" ) {
+				name: "fileTypeIndexLabel"
+				"text": "fileTypeIndex"
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 0 8"
+			} )
+			add( new FormComponent( "javax.swing.JSlider" ) {
+				name: "fileTypeIndexSlider"
+				"maximum": 10
+				"majorTickSpacing": 1
+				"value": 0
+				"paintLabels": true
+				"snapToTicks": true
+			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
+				"value": "cell 1 8"
 			} )
 			add( new FormComponent( "javax.swing.JButton" ) {
 				name: "openButton"
 				"text": "Open..."
 				addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "open", false ) )
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-				"value": "cell 0 8 3 1"
+				"value": "cell 0 10 3 1"
 			} )
 			add( new FormComponent( "javax.swing.JButton" ) {
 				name: "saveButton"
 				"text": "Save..."
 				addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "save", false ) )
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-				"value": "cell 0 8 3 1"
+				"value": "cell 0 10 3 1"
 			} )
 			add( new FormComponent( "javax.swing.JButton" ) {
 				name: "openDirectButton"
 				"text": "Open (no-thread)..."
 				addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "openDirect", false ) )
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-				"value": "cell 0 8 3 1"
+				"value": "cell 0 10 3 1"
 			} )
 			add( new FormComponent( "javax.swing.JButton" ) {
 				name: "saveDirectButton"
 				"text": "Save (no-thread)..."
 				addEvent( new FormEvent( "java.awt.event.ActionListener", "actionPerformed", "saveDirect", false ) )
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-				"value": "cell 0 8 3 1"
+				"value": "cell 0 10 3 1"
 			} )
 			add( new FormContainer( "javax.swing.JScrollPane", new FormLayoutManager( class javax.swing.JScrollPane ) ) {
 				name: "filesScrollPane"
@@ -210,11 +264,11 @@ new FormModel {
 					"rows": 8
 				} )
 			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
-				"value": "cell 0 9 3 1,growx"
+				"value": "cell 0 11 3 1,growx"
 			} )
 		}, new FormLayoutConstraints( null ) {
 			"location": new java.awt.Point( 0, 0 )
-			"size": new java.awt.Dimension( 535, 465 )
+			"size": new java.awt.Dimension( 750, 475 )
 		} )
 	}
 }