Feat/combobox aria (#244)

* pref: Combobox blur

* feat: Combobox input navigation

thaw/src/_aria/active_descendant/use_active_descendant.rs

@@ -96,4 +96,11 @@ impl ActiveDescendantController {
             None
         }
     }
+
+    pub fn find(&self, predicate: impl Fn(String) -> bool) -> Option<String> {
+        let target = self.option_walker.find(predicate)?;
+        let id = target.id();
+        self.focus_active_descendant(target);
+        Some(id)
+    }
 }

thaw/src/_aria/active_descendant/use_option_walker.rs

@@ -87,4 +87,24 @@ impl OptionWalker {
             tree_walker.previous_node().unwrap_throw()?.dyn_into().ok()
         })
     }
+
+    pub fn find(&self, predicate: impl Fn(String) -> bool) -> Option<HtmlElement> {
+        self.0.with_value(|tree_walker| {
+            let Some((tree_walker, _)) = tree_walker.as_ref() else {
+                return None;
+            };
+            tree_walker.set_current_node(&tree_walker.root());
+            let mut current: Option<HtmlElement> =
+                tree_walker.first_child().unwrap_throw()?.dyn_into().ok();
+
+            while let Some(cur) = current.as_ref() {
+                if predicate(cur.id()) {
+                    break;
+                }
+                current = tree_walker.next_node().unwrap_throw()?.dyn_into().ok();
+            }
+
+            current
+        })
+    }
 }

thaw/src/combobox/combobox.rs

@@ -68,39 +68,21 @@ pub fn Combobox(
         });
     }
 
-    #[cfg(any(feature = "csr", feature = "hydrate"))]
-    {
-        let handle = window_event_listener(ev::click, move |ev| {
-            use leptos::wasm_bindgen::__rt::IntoJsResult;
-            if !is_show_listbox.get_untracked() {
-                return;
-            }
-            let el = ev.target();
-            let mut el: Option<web_sys::Element> =
-                el.into_js_result().map_or(None, |el| Some(el.into()));
-            let body = document().body().unwrap();
-            if let Some(listbox_el) = listbox_ref.get_untracked() {
-                if let Some(trigger_el) = trigger_ref.get_untracked() {
-                    while let Some(current_el) = el {
-                        if current_el == *body {
-                            break;
+    let multiselect = selected_options.is_vec();
+    let combobox_injection = ComboboxInjection {
+        value,
+        multiselect,
+        selected_options,
+        options,
+        is_show_listbox,
+        validate,
     };
-                        if current_el == **listbox_el {
-                            return;
-                        }
-                        if current_el == **trigger_el {
-                            return;
-                        }
-                        el = current_el.parent_element();
-                    }
-                }
-            }
-            is_show_listbox.set(false);
-        });
-        on_cleanup(move || handle.remove());
-    }
+    let (set_listbox, active_descendant_controller) =
+        use_active_descendant(move |el| el.class_list().contains("thaw-combobox-option"));
 
-    let on_input = move |ev| {
+    let on_input = {
+        let active_descendant_controller = active_descendant_controller.clone();
+        move |ev| {
             let input_value = event_target_value(&ev);
             if selected_options.with_untracked(|options| match options {
                 VecModelWithValue::T(v) => v != &input_value,
@@ -116,19 +98,32 @@ pub fn Combobox(
                 selected_options.set(vec![]);
             }
             value.set(input_value);
+            let Some(value) = value.with_untracked(|value| {
+                let value = value.trim().to_ascii_lowercase();
+                if value.is_empty() {
+                    None
+                } else {
+                    Some(value)
+                }
+            }) else {
+                active_descendant_controller.blur();
+                return;
             };
-
-    let multiselect = selected_options.is_vec();
-    let combobox_injection = ComboboxInjection {
-        value,
-        multiselect,
-        selected_options,
-        options,
-        is_show_listbox,
-        validate,
+            if active_descendant_controller
+                .find(|id| {
+                    options.with_value(|options| {
+                        let Some((_, text, _)) = options.get(&id) else {
+                            return false;
+                        };
+                        text.to_ascii_lowercase().contains(&value)
+                    })
+                })
+                .is_none()
+            {
+                active_descendant_controller.blur();
+            }
+        }
     };
-    let (set_listbox, active_descendant_controller) =
-        use_active_descendant(move |el| el.class_list().contains("thaw-combobox-option"));
 
     let on_blur = {
         let active_descendant_controller = active_descendant_controller.clone();
@@ -148,6 +143,7 @@ pub fn Combobox(
             });
             active_descendant_controller.blur();
             validate.run(Some(ComboboxRuleTrigger::Blur));
+            is_show_listbox.set(false);
         }
     };
 
@@ -209,6 +205,7 @@ pub fn Combobox(
                                     .unwrap_or_default()
                             }
                             node_ref=clear_icon_ref
+                            on:mousedown=|e| e.prevent_default()
                         >
                             <svg
                                 fill="currentColor"

thaw/src/combobox/docs/mod.md

@@ -18,7 +18,7 @@ let selected_options = RwSignal::new(vec![]);
 
 view! {
     <Combobox selected_options clearable=true>
-        <ComboboxOption value="cat" text="Cat" disabled=true/>
+        <ComboboxOption value="cat" text="Cat"/>
         <ComboboxOption value="dog" text="Dog" />
     </Combobox>
 }