Set up the welcome screen and open the database #125
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@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License along with Fit
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mod ui;
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use adw::prelude::*;
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use emseries::Series;
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use emseries::{EmseriesReadError, Series};
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use ft_core::TraxRecord;
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use gio::resources_lookup_data;
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use glib::Object;
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@ -36,6 +36,14 @@ const APP_ID_PROD: &str = "com.luminescent-dreams.fitnesstrax";
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const RESOURCE_BASE_PATH: &str = "/com/luminescent-dreams/fitnesstrax/";
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/// A set of events that can occur at the global application level. These events should represent
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/// significant state changes that should go through a central dispatcher.
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enum Events {
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DatabaseChanged(Series<TraxRecord>),
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}
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// Note that I have not yet figured out the communication channel or how the central dispatcher
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// should work. There's a dance between the App and the AppWindow that I haven't figured out yet.
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/// The real, headless application. This is where all of the logic will reside.
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#[derive(Clone)]
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struct App {
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@ -50,6 +58,34 @@ impl App {
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}
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}
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pub struct PlaceholderViewPrivate {}
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#[glib::object_subclass]
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impl ObjectSubclass for PlaceholderViewPrivate {
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const NAME: &'static str = "PlaceholderView";
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type Type = PlaceholderView;
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type ParentType = gtk::Box;
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fn new() -> Self {
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Self {}
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}
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}
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impl ObjectImpl for PlaceholderViewPrivate {}
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impl WidgetImpl for PlaceholderViewPrivate {}
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impl BoxImpl for PlaceholderViewPrivate {}
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glib::wrapper! {
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pub struct PlaceholderView(ObjectSubclass<PlaceholderViewPrivate>) @extends gtk::Box, gtk::Widget;
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}
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impl PlaceholderView {
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pub fn new() -> Self {
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let s: Self = Object::builder().build();
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s
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}
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}
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/// This is the view to show if the application has not yet been configured. It will walk the user
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/// through the most critical setup steps so that we can move on to the other views in the app.
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pub struct WelcomeViewPrivate {}
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@ -74,7 +110,7 @@ glib::wrapper! {
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}
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impl WelcomeView {
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pub fn new<F>(on_save: F) -> Self
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pub fn new<F>(on_save: Box<F>) -> Self
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where
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F: Fn(PathBuf) + 'static,
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{
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@ -111,7 +147,7 @@ impl WelcomeView {
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content.append(>k::Label::new(Some("Welcome to FitnessTrax. The application has not yet been configured, so I will walk you through that. Let's start out by selecting your database.")));
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content.append(&db_row);
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let on_save = Box::new(on_save);
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let on_save = on_save;
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save_button.connect_clicked({
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move |_| {
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if let Some(path) = db_row.path() {
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@ -166,11 +202,12 @@ impl HistoricalView {
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/// The application window, or the main window, is the main user interface for the app. Almost
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/// everything occurs here.
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#[derive(Clone)]
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struct AppWindow {
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app: App,
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window: adw::ApplicationWindow,
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layout: gtk::Box,
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current_view: RefCell<gtk::Widget>,
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current_view: Rc<RefCell<gtk::Widget>>,
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}
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impl AppWindow {
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@ -187,12 +224,6 @@ impl AppWindow {
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.height_request(600)
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.build();
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let current_view = if app.database.read().unwrap().is_none() {
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WelcomeView::new(&|_| {}).upcast()
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} else {
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HistoricalView::new().upcast()
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};
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let stylesheet = String::from_utf8(
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resources_lookup_data(
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&format!("{}style.css", RESOURCE_BASE_PATH),
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@ -216,18 +247,77 @@ impl AppWindow {
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let layout = gtk::Box::builder()
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.orientation(gtk::Orientation::Vertical)
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.build();
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let initial_view = PlaceholderView::new();
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layout.append(&header);
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layout.append(¤t_view);
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layout.append(&initial_view);
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window.set_content(Some(&layout));
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window.present();
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let s = Self {
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app,
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app: app.clone(),
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window,
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layout,
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current_view: RefCell::new(current_view),
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current_view: Rc::new(RefCell::new(initial_view.upcast())),
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};
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let initial_view = if app.database.read().unwrap().is_none() {
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WelcomeView::new({
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let app = app.clone();
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let s = s.clone();
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Box::new(move |path: PathBuf| {
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// The user has selected a path. Perhaps the path is new, perhaps it already
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// exists.
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//
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// If the file exists already, attempt to read it. Fail if that doesn't work.
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// A should show to the user something that indicates that the file exists but is
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// not already a database.
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//
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// If the file does not exist, create a new one. Again, show the user an error if
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// some kind of error occurs.
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if path.exists() {
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let db = Series::open(&path);
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match db {
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Ok(db) => {
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*app.database.write().unwrap() = Some(db);
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s.change_view(HistoricalView::new().upcast());
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}
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Err(EmseriesReadError::UUIDParseError(_)) => {
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println!("Invalid UUID detected in the file")
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}
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Err(EmseriesReadError::JSONParseError(_)) => {
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println!("The file cannot be parsed and may not be a database")
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}
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Err(EmseriesReadError::IOError(err)) => {
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println!("The file cannot be read: {}", err)
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}
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}
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} else {
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let db = Series::open(&path);
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match db {
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Ok(db) => {
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*app.database.write().unwrap() = Some(db);
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s.change_view(HistoricalView::new().upcast());
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}
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Err(EmseriesReadError::IOError(err)) => {
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println!("The file cannot be read: {}", err)
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}
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_ => unreachable!(
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"other error types should not be possible when creating a new DB"
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),
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}
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}
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})
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})
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.upcast()
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} else {
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HistoricalView::new().upcast()
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};
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s.change_view(initial_view);
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s
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}
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