platform: pick folder

locales/de.yml

@@ -26,6 +26,7 @@ theme: 'Theme:'
 dark: Dunkel
 light: Hell
 choose_file: Datei auswählen
+choose_folder: Ordner auswählen
 crash_report: Absturzbericht
 crash_report_warning: Anwendung wurde beim letzten Mal unerwartet geschlossen, Sie können den Absturzbericht mit Entwicklern teilen.
 confirmation: Bestätigung

locales/en.yml

@@ -26,6 +26,7 @@ theme: 'Theme:'
 dark: Dark
 light: Light
 choose_file: Choose file
+choose_folder: Choose folder
 crash_report: Crash report
 crash_report_warning: Application closed unexpectedly last time, you can share crash report with developers.
 confirmation: Confirmation

locales/fr.yml

@@ -26,6 +26,7 @@ theme: 'Thème:'
 dark: Sombre
 light: Clair
 choose_file: Choisir un fichier
+choose_folder: Choisir un dossier
 crash_report: Rapport d'échec
 crash_report_warning: L'application s'est fermée de manière inattendue la dernière fois, vous pouvez partager un rapport d'incident avec les développeurs.
 confirmation: Confirmation

locales/ru.yml

@@ -26,6 +26,7 @@ theme: 'Тема:'
 dark: Тёмная
 light: Светлая
 choose_file: Выбрать файл
+choose_folder: Выбрать папку
 crash_report: Отчёт о сбое
 crash_report_warning: В прошлый раз приложение неожиданно закрылось, вы можете поделиться отчетом о сбое с разработчиками.
 confirmation: Подтверждение

locales/tr.yml

@@ -26,6 +26,7 @@ theme: 'Tema:'
 dark: Karanlik
 light: Isik
 choose_file: Dosya seçin
+choose_folder: Klasör seç
 crash_report: Ariza Raporu
 crash_report_warning: Uygulama beklenmedik bir sekilde kapandi son kez, kilitlenme raporunu gelistiricilerle paylasabilirsiniz.
 confirmation: Onay

locales/zh-CN.yml

@@ -26,6 +26,7 @@ theme: '主题:'
 dark: 深色
 light: 淡色
 choose_file: 选择文件
+choose_folder: 选择文件夹
 crash_report: 崩溃报告
 crash_report_warning: 上次应用程序意外关闭，您可以报告开发人员崩溃事件.
 confirmation: 确认

src/gui/platform/android/mod.rs

@@ -161,6 +161,16 @@ impl PlatformCallbacks for Android {
         Some("".to_string())
     }
 
+    fn pick_folder(&self) -> Option<String> {
+        // Clear previous result.
+        let mut w_path = PICKED_FILE_PATH.write();
+        *w_path = None;
+        // Launch file picker.
+        let _ = self.call_java_method("pickFolder", "()V", &[]);
+        // Return empty string to identify async pick.
+        Some("".to_string())
+    }
+
     fn picked_file(&self) -> Option<String> {
         let has_file = {
             let r_path = PICKED_FILE_PATH.read();

src/gui/platform/desktop/mod.rs

@@ -260,6 +260,17 @@ impl PlatformCallbacks for Desktop {
         None
     }
 
+    fn pick_folder(&self) -> Option<String> {
+        let file = FileDialog::new()
+            .set_title(t!("choose_folder"))
+            .set_directory(dirs::home_dir().unwrap())
+            .pick_folder();
+        if let Some(file) = file {
+            return Some(file.to_str().unwrap_or_default().to_string());
+        }
+        None
+    }
+
     fn picked_file(&self) -> Option<String> {
         None
     }

src/gui/platform/mod.rs

@@ -33,6 +33,7 @@ pub trait PlatformCallbacks {
     fn switch_camera(&self);
     fn share_data(&self, name: String, data: Vec<u8>) -> Result<(), std::io::Error>;
     fn pick_file(&self) -> Option<String>;
+    fn pick_folder(&self) -> Option<String>;
     fn picked_file(&self) -> Option<String>;
     fn request_user_attention(&self);
     fn user_attention_required(&self) -> bool;