Simplify library manager

src/library_manager.rs

@@ -0,0 +1,92 @@
+use std::{cell::OnceCell, ffi::OsStr, path::Path};
+
+use adw::{prelude::*, subclass::prelude::*};
+use gettextrs::gettext;
+use gtk::glib;
+
+use crate::{library::Library, window::Window};
+
+mod imp {
+    use super::*;
+
+    #[derive(Debug, Default, gtk::CompositeTemplate)]
+    #[template(file = "data/ui/library_manager.blp")]
+    pub struct LibraryManager {
+        pub navigation: OnceCell<adw::NavigationView>,
+        pub library: OnceCell<Library>,
+
+        #[template_child]
+        pub library_path_row: TemplateChild<adw::ActionRow>,
+    }
+
+    #[glib::object_subclass]
+    impl ObjectSubclass for LibraryManager {
+        const NAME: &'static str = "MusicusLibraryManager";
+        type Type = super::LibraryManager;
+        type ParentType = adw::NavigationPage;
+
+        fn class_init(klass: &mut Self::Class) {
+            klass.bind_template();
+            klass.bind_template_instance_callbacks();
+        }
+
+        fn instance_init(obj: &glib::subclass::InitializingObject<Self>) {
+            obj.init_template();
+        }
+    }
+
+    impl ObjectImpl for LibraryManager {}
+    impl WidgetImpl for LibraryManager {}
+    impl NavigationPageImpl for LibraryManager {}
+}
+
+glib::wrapper! {
+    pub struct LibraryManager(ObjectSubclass<imp::LibraryManager>)
+        @extends gtk::Widget, adw::NavigationPage;
+}
+
+#[gtk::template_callbacks]
+impl LibraryManager {
+    pub fn new(navigation: &adw::NavigationView, library: &Library) -> Self {
+        let obj: Self = glib::Object::new();
+
+        obj.imp().navigation.set(navigation.to_owned()).unwrap();
+        obj.imp().library.set(library.to_owned()).unwrap();
+
+        if let Some(Some(filename)) = Path::new(&library.folder()).file_name().map(OsStr::to_str) {
+            obj.imp().library_path_row.set_subtitle(filename);
+        }
+
+        obj
+    }
+
+    #[template_callback]
+    async fn open_library(&self) {
+        let dialog = gtk::FileDialog::builder()
+            .title(gettext("Select music library folder"))
+            .modal(true)
+            .build();
+
+        let root = self.root();
+        let window = root
+            .as_ref()
+            .and_then(|r| r.downcast_ref::<gtk::Window>())
+            .and_then(|w| w.downcast_ref::<Window>())
+            .unwrap();
+
+        match dialog.select_folder_future(Some(window)).await {
+            Err(err) => {
+                if !err.matches(gtk::DialogError::Dismissed) {
+                    log::error!("Folder selection failed: {err}");
+                }
+            }
+            Ok(folder) => window.set_library_folder(&folder),
+        }
+    }
+
+    #[template_callback]
+    fn import_archive(&self) {}
+
+    #[template_callback]
+    fn export_archive(&self) {}
+}