Implement directory picker API

js/desktop.js

@@ -294,14 +294,14 @@ function openDefaultTexturePath() {
 	if (answer === 0) {
 		return;
 	} else if (answer === 1) {
-		 ElecDialogs.showOpenDialog(currentwindow, {
+
+		let path = Blockbench.pickDirectory({
 			title: tl('message.default_textures.select'),
-			properties: ['openDirectory'],
-		}, function(filePaths) {
-			if (filePaths) {
-				settings.default_path.value = filePaths[0]
-			}
-		})
+			resource_id: 'texture',
+		});
+		if (path) {
+			settings.default_path.value = path;
+		}
 	} else {
 		settings.default_path.value = false
 	}

js/file_system.js

@@ -58,6 +58,44 @@ Object.assign(Blockbench, {
 			}).click()
 		}
 	},
+	pickDirectory(options) {
+		if (typeof options !== 'object') {options = {}}
+		/**
+		 	resource_id
+			startpath
+			title
+		 */
+
+		if (isApp) {
+
+			if (!options.startpath && options.resource_id) {
+				options.startpath = StateMemory.dialog_paths[options.resource_id]
+			}
+
+			let dirNames = electron.dialog.showOpenDialogSync(currentwindow, {
+				title: options.title ? options.title : '',
+				dontAddToRecent: true,
+				properties: ['openDirectory'],
+				defaultPath: settings.streamer_mode.value
+					? app.getPath('desktop')
+					: options.startpath
+			})
+
+			if (!dirNames) return null;
+
+			if (options.resource_id) {
+				StateMemory.dialog_paths[options.resource_id] = PathModule.dirname(dirNames[0]);
+				StateMemory.save('dialog_paths');
+			}
+
+			return dirNames[0];
+
+		} else {
+
+			console.warn('Picking directories is currently not supported in the web app');
+
+		}
+	},
 	read(files, options, cb) {
 		if (files == undefined) return false;
 		if (typeof files == 'string') files = [files];

js/interface/dialog.js

@@ -181,11 +181,10 @@ function buildForm(dialog) {
 								}, fileCB);
 								break;
 							case 'folder':
-								let filePaths = electron.dialog.showOpenDialog(currentwindow, {
-									properties: ['openDirectory'],
-									defaultPath: data.value
+								let path = Blockbench.pickDirectory({
+									startpath: data.value,
 								})
-								if (filePaths) fileCB([{ path: filePaths[0] }]);
+								if (path) fileCB([{path}]);
 								break;
 							case 'save':
 								Blockbench.export({

js/texturing/textures.js

@@ -1308,12 +1308,12 @@ BARS.defineActions(function() {
 			path.splice(-1)
 			path = path.join(osfs)
 
-			let filePaths = electron.dialog.showOpenDialogSync(currentwindow, {
-				properties: ['openDirectory'],
-				defaultPath: path
+			let dirPath = Blockbench.pickDirectory({
+				resource_id: 'texture',
+				startpath: path,
 			})
-			if (filePaths && filePaths.length) {
-				var new_path = filePaths[0]
+			if (dirPath && dirPath.length) {
+				var new_path = dirPath[0]
 				Undo.initEdit({textures})
 				textures.forEach(function(t) {
 					if (typeof t.path === 'string' && t.path.includes(path)) {