Rerender

Changed files (1)

• modified examples/counter-component/src/counter.rs

Diff

diff --git a/examples/counter-component/src/counter.rs b/examples/counter-component/src/counter.rsindex a6a82a5..5c39fdb 100644--- a/examples/counter-component/src/counter.rs+++ b/examples/counter-component/src/counter.rs@@ -7,6 +7,7 @@ pub struct Counter {  impl Counter {     fn connected(&mut self, element: HtmlElement) {+        log!("Element connected");         self.render(&element);     } @@ -25,6 +26,17 @@ impl Counter {         old_value: &str,         new_value: &str,     ) {+        log!("Attribute changed", name, new_value);++        match name {+            "count" => {+                self.value = new_value.parse::<i32>().expect("Not an integer.");+            }+            _ => {+                log!("attribute_changed not implementd for", name);+            }+        }+         self.render(&element);     } }@@ -53,11 +65,51 @@ impl Counter { #[callback(increment)] pub fn increment(id: String) {     log!("increment");-    // id is a String from the callback; update_component accepts AsRef<str>.-    update_component(id, |component: &mut Counter, element: &HtmlElement| {+    let mut new_count = -1;++    update_component(&id, |component: &mut Counter, element: &HtmlElement| {         log!("update_component", component.get_component_id());         increment_component(component, element);     });++    let html_element = get_component_element(id.as_str());++    if html_element.is_none() {+        error!("No html_element in increment callback.");+        return;+    }++    let count = get_value(&id);++    let element = html_element.unwrap();+    element.set_attribute("count", count.to_string().as_str());++    rerender(&id);+}++fn rerender(id: &str) {+    let component = get_component::<Counter>(id);+    let binding = component.unwrap();+    let c = binding.lock().unwrap();++    log!("new count", c.value);++    let html_element = get_component_element(id);++    if html_element.is_none() {+        error!("No html_element in rerender.");+        return;+    }++    let element = html_element.unwrap();+    c.render(&element);+}++fn get_value(id: &str) -> i32 {+    let component = get_component::<Counter>(id);+    let binding = component.unwrap();+    let c = binding.lock().unwrap();+    c.value }  fn increment_component(component: &mut Counter, element: &HtmlElement) {@@ -77,9 +129,4 @@ fn increment_component(component: &mut Counter, element: &HtmlElement) {     let new_count = count_res.unwrap() + 1;      component.value = new_count;-    element.set_attribute("count", new_count.to_string().as_str());--    log!("new count", new_count);--    component.render(element); }