Implement revert all changes, fixes #128

Author: jackpot51

src/main.rs

@@ -199,6 +199,7 @@ pub enum Action {
     Paste,
     Quit,
     Redo,
+    RevertAllChanges,
     Save,
     SaveAsDialog,
     SelectAll,
@@ -245,6 +246,7 @@ impl Action {
             Self::Paste => Message::Paste,
             Self::Quit => Message::Quit,
             Self::Redo => Message::Redo,
+            Self::RevertAllChanges => Message::RevertAllChanges,
             Self::Save => Message::Save(entity_opt),
             Self::SaveAsDialog => Message::SaveAsDialog(entity_opt),
             Self::SelectAll => Message::SelectAll,
@@ -367,6 +369,7 @@ pub enum Message {
     Quit,
     QuitForce,
     Redo,
+    RevertAllChanges,
     Save(Option<segmented_button::Entity>),
     SaveAll,
     SaveAsDialog(Option<segmented_button::Entity>),
@@ -2227,6 +2230,13 @@ impl Application for App {
                     return self.update(Message::TabChanged(self.tab_model.active()));
                 }
             }
+            Message::RevertAllChanges => {
+                if let Some(Tab::Editor(tab)) = self.active_tab_mut() {
+                    tab.reload();
+
+                    return self.update(Message::TabChanged(self.tab_model.active()));
+                }
+            }
             Message::Save(entity_opt) => {
                 let mut title_opt = None;
 

src/menu.rs

@@ -139,7 +139,7 @@ pub fn menu_bar<'a>(
                     MenuItem::Button(fl!("save"), None, Action::Save),
                     MenuItem::Button(fl!("save-as"), None, Action::SaveAsDialog),
                     MenuItem::Divider,
-                    MenuItem::Button(fl!("revert-all-changes"), None, Action::Todo),
+                    MenuItem::Button(fl!("revert-all-changes"), None, Action::RevertAllChanges),
                     MenuItem::Divider,
                     MenuItem::Button(
                         fl!("menu-document-statistics"),

src/tab.rs

@@ -127,6 +127,9 @@ impl EditorTab {
             match editor.load_text(path, self.attrs) {
                 Ok(()) => {
                     log::info!("reloaded {:?}", path);
+
+                    // Clear changed state
+                    editor.set_changed(false);
                 }
                 Err(err) => {
                     log::error!("failed to reload {:?}: {}", path, err);