Add a tab bar for different views

Cargo.toml

@@ -9,7 +9,13 @@ anyhow = "1.0.75"
 directories = "5.0.1"
 either = "1.9.0"
 iced = { version = "0.10.0", features = ["lazy"] }
-iced_aw = { version = "0.7.0", default-features = false, features = ["modal", "card", "number_input", "selection_list"] }
+iced_aw = { version = "0.7.0", default-features = false, features = [
+	"modal",
+	"card",
+	"number_input",
+	"selection_list",
+	"tab_bar",
+] }
 itertools = "0.11.0"
 peg = "0.8.2"
 serde = { version = "1.0.192", features = ["derive"] }

src/main.rs

@@ -9,7 +9,12 @@ use std::{
 use anyhow::anyhow;
 use directories::ProjectDirs;
 use edit::{EditMessage, EditState, Spendings};
-use iced::{font, subscription, window, Application, Command, Event, Settings, Theme};
+use iced::{
+    font, subscription,
+    widget::{column, text},
+    window, Application, Command, Event, Settings, Theme,
+};
+use iced_aw::{TabBar, TabBarStyles, TabLabel};
 use serde::{Deserialize, Serialize};
 
 type Element<'a> = iced::Element<'a, Message>;
@@ -171,11 +176,62 @@ enum Message {
     Load(ReportDate),
     InitFrom(ReportDate),
     Edit(EditMessage),
+    ChangeTab(CurrentView),
+}
+
+// enum CompareLoad {
+//     Current,
+//     Report(ReportDate),
+// }
+//
+// enum CompareSide {
+//     Left,
+//     Right,
+// }
+//
+// struct Compare<'a, F> {
+//     left: Option<&'a dyn Spendings>,
+//     right: Option<&'a dyn Spendings>,
+//     on_load: F,
+// }
+//
+// #[derive(Default)]
+// struct CompareState {}
+//
+// enum CompareMsg {
+//     LoadLeft(CompareLoad),
+//     LoadRight(CompareLoad),
+// }
+//
+// impl<'a, M, F> iced::widget::Component<M, Renderer> for Compare<'a, F>
+// where
+//     F: FnMut(CompareSide, CompareLoad) -> M,
+// {
+//     type State = CompareState;
+//     type Event = CompareMsg;
+//
+//     fn update(&mut self, _state: &mut Self::State, event: Self::Event) -> Option<M> {
+//         match event {
+//             CompareMsg::LoadLeft(d) => Some((self.on_load)(CompareSide::Left, d)),
+//             CompareMsg::LoadRight(d) => Some((self.on_load)(CompareSide::Right, d)),
+//         }
+//     }
+//
+//     fn view(&self, _state: &Self::State) -> iced_aw::Element<'_, Self::Event, Renderer> {
+//         text("todo").into()
+//     }
+// }
+
+#[derive(PartialEq, Eq, Hash, Clone, Copy, Debug)]
+enum CurrentView {
+    Edit,
+    Compare,
 }
 
 struct Glaurung {
     config: Config,
     edit: EditState,
+    view: CurrentView,
 
     archive: BTreeMap<ReportDate, Report>,
 }
@@ -191,6 +247,7 @@ impl Application for Glaurung {
             config: config.config,
             edit: EditState::new(config.save_file),
             archive: config.save.archive,
+            view: CurrentView::Edit,
         };
 
         this.edit.load(None, config.save.current);
@@ -237,13 +294,24 @@ impl Application for Glaurung {
                 }
             }
             Message::Edit(m) => self.edit.update(m),
+            Message::ChangeTab(t) => self.view = t,
         }
 
         Command::none()
     }
 
     fn view(&self) -> Element {
-        self.edit.view(&self.archive, &self.config)
+        let bar = TabBar::new(Message::ChangeTab)
+            .push(CurrentView::Edit, TabLabel::Text("Edit".into()))
+            .push(CurrentView::Compare, TabLabel::Text("Compare".into()))
+            .set_active_tab(&self.view)
+            .style(TabBarStyles::Dark);
+        let content = match self.view {
+            CurrentView::Edit => self.edit.view(&self.archive, &self.config),
+            CurrentView::Compare => text("todo").into(),
+        };
+
+        column![bar, content].into()
     }
 
     fn theme(&self) -> iced::Theme {