handlers and ids

src/extensions/id.rs

@@ -0,0 +1,31 @@
+use std::sync::{Arc, Mutex};
+
+use crate::{component, extensions::Extension, widget::Widget};
+
+pub struct IdExtension(Mutex<Vec<Arc<Widget>>>);
+
+impl Extension for Arc<IdExtension> {
+    fn init(&mut self, widgets: &Vec<Arc<Widget>>) {
+        self.0.lock().unwrap().append(&mut widgets.clone());
+    }
+}
+
+impl IdExtension {
+    pub fn new() -> Arc<Self> {
+        Arc::new(Self(Mutex::new(Vec::new())))
+    }
+
+    pub fn get_element(self: &Arc<IdExtension>, id: usize) -> Option<Arc<Widget>> {
+        for elem in self.0.lock().unwrap().iter() {
+            if let Some(current_id) = elem.get::<Id>() {
+                if current_id.0 == id {
+                    return Some(elem.clone());
+                }
+            }
+        }
+
+        None
+    }
+}
+
+component!(Id(pub usize));