Add work and recording editor

src/editor/work_selector_popover.rs

@@ -0,0 +1,308 @@
+use crate::{
+    db::models::{Person, Work},
+    library::MusicusLibrary,
+};
+
+use gettextrs::gettext;
+use gtk::{
+    glib::{self, subclass::Signal, Properties},
+    pango,
+    prelude::*,
+    subclass::prelude::*,
+};
+use once_cell::sync::Lazy;
+
+use std::cell::{OnceCell, RefCell};
+
+use super::activatable_row::MusicusActivatableRow;
+
+mod imp {
+    use super::*;
+
+    #[derive(Debug, Default, gtk::CompositeTemplate, Properties)]
+    #[properties(wrapper_type = super::MusicusWorkSelectorPopover)]
+    #[template(file = "data/ui/work_selector_popover.blp")]
+    pub struct MusicusWorkSelectorPopover {
+        #[property(get, construct_only)]
+        pub library: OnceCell<MusicusLibrary>,
+
+        pub composers: RefCell<Vec<Person>>,
+        pub composer: RefCell<Option<Person>>,
+        pub works: RefCell<Vec<Work>>,
+
+        #[template_child]
+        pub stack: TemplateChild<gtk::Stack>,
+        #[template_child]
+        pub composer_view: TemplateChild<adw::ToolbarView>,
+        #[template_child]
+        pub composer_search_entry: TemplateChild<gtk::SearchEntry>,
+        #[template_child]
+        pub composer_scrolled_window: TemplateChild<gtk::ScrolledWindow>,
+        #[template_child]
+        pub composer_list: TemplateChild<gtk::ListBox>,
+        #[template_child]
+        pub work_view: TemplateChild<adw::ToolbarView>,
+        #[template_child]
+        pub composer_label: TemplateChild<gtk::Label>,
+        #[template_child]
+        pub work_search_entry: TemplateChild<gtk::SearchEntry>,
+        #[template_child]
+        pub work_scrolled_window: TemplateChild<gtk::ScrolledWindow>,
+        #[template_child]
+        pub work_list: TemplateChild<gtk::ListBox>,
+    }
+
+    #[glib::object_subclass]
+    impl ObjectSubclass for MusicusWorkSelectorPopover {
+        const NAME: &'static str = "MusicusWorkSelectorPopover";
+        type Type = super::MusicusWorkSelectorPopover;
+        type ParentType = gtk::Popover;
+
+        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();
+        }
+    }
+
+    #[glib::derived_properties]
+    impl ObjectImpl for MusicusWorkSelectorPopover {
+        fn constructed(&self) {
+            self.parent_constructed();
+
+            self.obj()
+                .connect_visible_notify(|obj: &super::MusicusWorkSelectorPopover| {
+                    if obj.is_visible() {
+                        obj.imp().stack.set_visible_child(&*obj.imp().composer_view);
+                        obj.imp().composer_search_entry.set_text("");
+                        obj.imp().composer_search_entry.grab_focus();
+                        obj.imp()
+                            .composer_scrolled_window
+                            .vadjustment()
+                            .set_value(0.0);
+                    }
+                });
+
+            self.obj().search_composers("");
+        }
+
+        fn signals() -> &'static [Signal] {
+            static SIGNALS: Lazy<Vec<Signal>> = Lazy::new(|| {
+                vec![
+                    Signal::builder("selected")
+                        .param_types([Work::static_type()])
+                        .build(),
+                    Signal::builder("create").build(),
+                ]
+            });
+
+            SIGNALS.as_ref()
+        }
+    }
+
+    impl WidgetImpl for MusicusWorkSelectorPopover {
+        // TODO: Fix focus.
+        fn focus(&self, direction_type: gtk::DirectionType) -> bool {
+            if direction_type == gtk::DirectionType::Down {
+                if self.stack.visible_child() == Some(self.composer_list.get().upcast()) {
+                    self.composer_list.child_focus(direction_type)
+                } else {
+                    self.work_list.child_focus(direction_type)
+                }
+            } else {
+                self.parent_focus(direction_type)
+            }
+        }
+    }
+
+    impl PopoverImpl for MusicusWorkSelectorPopover {}
+}
+
+glib::wrapper! {
+    pub struct MusicusWorkSelectorPopover(ObjectSubclass<imp::MusicusWorkSelectorPopover>)
+        @extends gtk::Widget, gtk::Popover;
+}
+
+#[gtk::template_callbacks]
+impl MusicusWorkSelectorPopover {
+    pub fn new(library: &MusicusLibrary) -> Self {
+        glib::Object::builder().property("library", library).build()
+    }
+
+    pub fn connect_selected<F: Fn(&Self, Work) + 'static>(&self, f: F) -> glib::SignalHandlerId {
+        self.connect_local("selected", true, move |values| {
+            let obj = values[0].get::<Self>().unwrap();
+            let work = values[1].get::<Work>().unwrap();
+            f(&obj, work);
+            None
+        })
+    }
+
+    pub fn connect_create<F: Fn(&Self) + 'static>(&self, f: F) -> glib::SignalHandlerId {
+        self.connect_local("create", true, move |values| {
+            let obj = values[0].get::<Self>().unwrap();
+            f(&obj);
+            None
+        })
+    }
+
+    #[template_callback]
+    fn composer_search_changed(&self, entry: &gtk::SearchEntry) {
+        self.search_composers(&entry.text());
+    }
+
+    #[template_callback]
+    fn composer_activate(&self, _: &gtk::SearchEntry) {
+        if let Some(composer) = self.imp().composers.borrow().first() {
+            self.select_composer(composer.to_owned());
+        } else {
+            self.create();
+        }
+    }
+
+    #[template_callback]
+    fn back_button_clicked(&self, _: &gtk::Button) {
+        self.imp()
+            .stack
+            .set_visible_child(&*self.imp().composer_view);
+        self.imp().composer_search_entry.grab_focus();
+    }
+
+    #[template_callback]
+    fn work_search_changed(&self, entry: &gtk::SearchEntry) {
+        self.search_works(&entry.text());
+    }
+
+    #[template_callback]
+    fn work_activate(&self, _: &gtk::SearchEntry) {
+        if let Some(work) = self.imp().works.borrow().first() {
+            self.select(work.clone());
+        } else {
+            self.create();
+        }
+    }
+
+    #[template_callback]
+    fn stop_search(&self, _: &gtk::SearchEntry) {
+        self.popdown();
+    }
+
+    fn search_composers(&self, search: &str) {
+        let imp = self.imp();
+
+        let persons = imp.library.get().unwrap().search_persons(search).unwrap();
+
+        imp.composer_list.remove_all();
+
+        for person in &persons {
+            let row = MusicusActivatableRow::new(
+                &gtk::Label::builder()
+                    .label(person.to_string())
+                    .halign(gtk::Align::Start)
+                    .ellipsize(pango::EllipsizeMode::Middle)
+                    .build(),
+            );
+
+            let person = person.clone();
+            let obj = self.clone();
+            row.connect_activated(move |_: &MusicusActivatableRow| {
+                obj.select_composer(person.clone());
+            });
+
+            imp.composer_list.append(&row);
+        }
+
+        let create_box = gtk::Box::builder().spacing(12).build();
+        create_box.append(&gtk::Image::builder().icon_name("list-add-symbolic").build());
+        create_box.append(
+            &gtk::Label::builder()
+                .label(gettext("Create new work"))
+                .halign(gtk::Align::Start)
+                .build(),
+        );
+
+        let create_row = MusicusActivatableRow::new(&create_box);
+        let obj = self.clone();
+        create_row.connect_activated(move |_: &MusicusActivatableRow| {
+            obj.create();
+        });
+
+        imp.composer_list.append(&create_row);
+
+        imp.composers.replace(persons);
+    }
+
+    fn search_works(&self, search: &str) {
+        let imp = self.imp();
+
+        let works = imp
+            .library
+            .get()
+            .unwrap()
+            .search_works(imp.composer.borrow().as_ref().unwrap(), search)
+            .unwrap();
+
+        imp.work_list.remove_all();
+
+        for work in &works {
+            let row = MusicusActivatableRow::new(
+                &gtk::Label::builder()
+                    .label(work.name.get())
+                    .halign(gtk::Align::Start)
+                    .ellipsize(pango::EllipsizeMode::Middle)
+                    .build(),
+            );
+
+            let work = work.clone();
+            let obj = self.clone();
+            row.connect_activated(move |_: &MusicusActivatableRow| {
+                obj.select(work.clone());
+            });
+
+            imp.work_list.append(&row);
+        }
+
+        let create_box = gtk::Box::builder().spacing(12).build();
+        create_box.append(&gtk::Image::builder().icon_name("list-add-symbolic").build());
+        create_box.append(
+            &gtk::Label::builder()
+                .label(gettext("Create new work"))
+                .halign(gtk::Align::Start)
+                .build(),
+        );
+
+        let create_row = MusicusActivatableRow::new(&create_box);
+        let obj = self.clone();
+        create_row.connect_activated(move |_: &MusicusActivatableRow| {
+            obj.create();
+        });
+
+        imp.work_list.append(&create_row);
+
+        imp.works.replace(works);
+    }
+
+    fn select_composer(&self, person: Person) {
+        self.imp().composer_label.set_text(person.name.get());
+        self.imp().work_search_entry.set_text("");
+        self.imp().work_search_entry.grab_focus();
+        self.imp().work_scrolled_window.vadjustment().set_value(0.0);
+        self.imp().stack.set_visible_child(&*self.imp().work_view);
+
+        self.imp().composer.replace(Some(person.clone()));
+        self.search_works("");
+    }
+
+    fn select(&self, work: Work) {
+        self.emit_by_name::<()>("selected", &[&work]);
+        self.popdown();
+    }
+
+    fn create(&self) {
+        self.emit_by_name::<()>("create", &[]);
+        self.popdown();
+    }
+}