editor: First changes for work editor

src/editor/role_selector_popover.rs

@@ -0,0 +1,188 @@
+use crate::{db::models::Role, library::MusicusLibrary};
+
+use gettextrs::gettext;
+use gtk::{
+    glib::{self, subclass::Signal, Properties},
+    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::MusicusRoleSelectorPopover)]
+    #[template(file = "data/ui/role_selector_popover.blp")]
+    pub struct MusicusRoleSelectorPopover {
+        #[property(get, construct_only)]
+        pub library: OnceCell<MusicusLibrary>,
+
+        pub roles: RefCell<Vec<Role>>,
+
+        #[template_child]
+        pub search_entry: TemplateChild<gtk::SearchEntry>,
+        #[template_child]
+        pub scrolled_window: TemplateChild<gtk::ScrolledWindow>,
+        #[template_child]
+        pub list_box: TemplateChild<gtk::ListBox>,
+    }
+
+    #[glib::object_subclass]
+    impl ObjectSubclass for MusicusRoleSelectorPopover {
+        const NAME: &'static str = "MusicusRoleSelectorPopover";
+        type Type = super::MusicusRoleSelectorPopover;
+        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 MusicusRoleSelectorPopover {
+        fn constructed(&self) {
+            self.parent_constructed();
+
+            self.obj()
+                .connect_visible_notify(|obj: &super::MusicusRoleSelectorPopover| {
+                    if obj.is_visible() {
+                        obj.imp().search_entry.set_text("");
+                        obj.imp().search_entry.grab_focus();
+                        obj.imp().scrolled_window.vadjustment().set_value(0.0);
+                    }
+                });
+
+            self.obj().search("");
+        }
+
+        fn signals() -> &'static [Signal] {
+            static SIGNALS: Lazy<Vec<Signal>> = Lazy::new(|| {
+                vec![Signal::builder("role-selected")
+                    .param_types([Role::static_type()])
+                    .build()]
+            });
+
+            SIGNALS.as_ref()
+        }
+    }
+
+    impl WidgetImpl for MusicusRoleSelectorPopover {
+        // TODO: Fix focus.
+        fn focus(&self, direction_type: gtk::DirectionType) -> bool {
+            if direction_type == gtk::DirectionType::Down {
+                self.list_box.child_focus(direction_type)
+            } else {
+                self.parent_focus(direction_type)
+            }
+        }
+    }
+
+    impl PopoverImpl for MusicusRoleSelectorPopover {}
+}
+
+glib::wrapper! {
+    pub struct MusicusRoleSelectorPopover(ObjectSubclass<imp::MusicusRoleSelectorPopover>)
+        @extends gtk::Widget, gtk::Popover;
+}
+
+#[gtk::template_callbacks]
+impl MusicusRoleSelectorPopover {
+    pub fn new(library: &MusicusLibrary) -> Self {
+        glib::Object::builder().property("library", library).build()
+    }
+
+    pub fn connect_role_selected<F: Fn(&Self, Role) + 'static>(
+        &self,
+        f: F,
+    ) -> glib::SignalHandlerId {
+        self.connect_local("role-selected", true, move |values| {
+            let obj = values[0].get::<Self>().unwrap();
+            let role = values[1].get::<Role>().unwrap();
+            f(&obj, role);
+            None
+        })
+    }
+
+    #[template_callback]
+    fn search_changed(&self, entry: &gtk::SearchEntry) {
+        self.search(&entry.text());
+    }
+
+    #[template_callback]
+    fn activate(&self, _: &gtk::SearchEntry) {
+        if let Some(role) = self.imp().roles.borrow().first() {
+            self.select(role.clone());
+        } else {
+            self.create();
+        }
+    }
+
+    #[template_callback]
+    fn stop_search(&self, _: &gtk::SearchEntry) {
+        self.popdown();
+    }
+
+    fn search(&self, search: &str) {
+        let imp = self.imp();
+
+        let roles = imp.library.get().unwrap().search_roles(search).unwrap();
+
+        imp.list_box.remove_all();
+
+        for role in &roles {
+            let row = MusicusActivatableRow::new(
+                &gtk::Label::builder()
+                    .label(role.to_string())
+                    .halign(gtk::Align::Start)
+                    .build(),
+            );
+
+            let role = role.clone();
+            let obj = self.clone();
+            row.connect_activated(move |_: &MusicusActivatableRow| {
+                obj.select(role.clone());
+            });
+
+            imp.list_box.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 role"))
+                .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.list_box.append(&create_row);
+
+        imp.roles.replace(roles);
+    }
+
+    fn select(&self, role: Role) {
+        self.emit_by_name::<()>("role-selected", &[&role]);
+        self.popdown();
+    }
+
+    fn create(&self) {
+        log::info!("Create role!");
+        self.popdown();
+    }
+}