Added async traits crate to code to allow dynamic dispatch with async functions in traits

src/app/ui/mod.rs

@@ -1,4 +1,5 @@
 use crate::app::App;
+use futures::executor::block_on;
 use crate::theme::onedark::ONE_DARK;
 
 pub mod tabs;
@@ -11,10 +12,17 @@ impl<'a> eframe::App for App<'a> {
 
         // Display tabs for main UI
         match self.tab_state.get_current_tab() {
-            Some(tab) => tab.display_tab(ctx, &frame),
+            Some(tab) => {
+                println!("Displaying tab");
+                block_on(tab.display_tab(ctx, &frame));
+            },
 
             // What to do if the tab is not available
-            _ => (),
-        }
+            None => {
+                println!("No tab available");
+            },
+        };
+
+        ()
     }
 }

src/app/ui/tabs/metar_tab.rs

@@ -1,4 +1,5 @@
 use egui::Key;
+use async_trait::async_trait;
 
 use crate::app::metar::Metar;
 
@@ -21,8 +22,10 @@ impl Default for MetarTab {
     }
 }
 
+#[async_trait]
 impl Tab for MetarTab {
     async fn display_tab(&mut self, ctx: &egui::Context, frame: &egui::Frame) {
+        println!("Displaying METAR Tab");
         egui::CentralPanel::default().frame(*frame).show(ctx, |ui| {
             // Given Key pressed, place focus on next item
             let new_icao_focus: bool = ui.input(|i| i.key_pressed(Key::Space));
@@ -33,7 +36,6 @@ impl Tab for MetarTab {
 
             if ui.button("Add More").clicked() || new_icao_focus {
                 self.icaos.push("".to_string());
-                self.metar.api.make_request(String::from("google.com"));
             }
         });
     }

src/app/ui/tabs/mod.rs

@@ -6,6 +6,9 @@ use std::collections::HashMap;
 use strum::EnumIter;
 use strum::IntoEnumIterator;
 
+// Allow Async Traits
+use async_trait::async_trait;
+
 use self::metar_tab::MetarTab;
 
 #[derive(Clone, Copy, Debug, Default, EnumIter, Eq, Hash, PartialEq)]
@@ -48,7 +51,7 @@ impl TabState {
     }
 
     /// Get the currently selected Tab
-    pub fn get_current_tab(&mut self) -> Option<&mut Box<dyn Tab + Send>> {
+    pub fn get_current_tab(&mut self) -> Option<&mut Box<dyn Tab>> {
         self.get_tab_state(self.current_tab)
     }
 
@@ -64,6 +67,7 @@ impl TabState {
 }
 
 /// Tab traits that allow tab display on the main application window
+#[async_trait]
 pub trait Tab {
     async fn display_tab(&mut self, ctx: &egui::Context, frame: &egui::Frame);
 }