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use leptos::web_sys;
use leptos::prelude::*;
use canonrs_core::{
CommandPrimitive, CommandListPrimitive,
CommandItemPrimitive, CommandEmptyPrimitive,
};
#[derive(Clone, Debug, PartialEq)]
pub struct CommandItemData {
pub id: String,
pub label: String,
pub value: String,
pub keywords: Vec<String>,
pub group: Option<String>,
}
#[component]
pub fn CommandInteractive(
items: Vec<CommandItemData>,
#[prop(optional)] on_select: Option<Callback<String>>,
#[prop(optional)] placeholder: Option<String>,
#[prop(default = false)] multi_select: bool,
) -> impl IntoView {
let search_query = RwSignal::new(String::new());
let focused_index = RwSignal::new(0);
let selected_items = RwSignal::new(Vec::<String>::new());
let items_clone = items.clone();
// Usar Memo ao invés de closure para evitar move
let filtered_items = Memo::new(move |_| {
let query = search_query.get().to_lowercase();
if query.is_empty() {
items_clone.clone()
} else {
items_clone
.iter()
.filter(|item| {
item.label.to_lowercase().contains(&query)
|| item.value.to_lowercase().contains(&query)
|| item.keywords.iter().any(|k| k.to_lowercase().contains(&query))
})
.cloned()
.collect::<Vec<_>>()
}
});
// Highlight matches no texto
let highlight_text = move |text: &str, query: &str| {
if query.is_empty() {
return text.to_string();
}
let lower_text = text.to_lowercase();
let lower_query = query.to_lowercase();
if let Some(pos) = lower_text.find(&lower_query) {
let before = &text[..pos];
let matched = &text[pos..pos + query.len()];
let after = &text[pos + query.len()..];
format!("{}<mark>{}</mark>{}", before, matched, after)
} else {
text.to_string()
}
};
// Keyboard navigation
let handle_keydown = move |ev: web_sys::KeyboardEvent| {
let current = focused_index.get();
let items_len = filtered_items.get().len();
match ev.key().as_str() {
"ArrowDown" => {
ev.prevent_default();
if current < items_len.saturating_sub(1) {
focused_index.set(current + 1);
}
}
"ArrowUp" => {
ev.prevent_default();
if current > 0 {
focused_index.set(current - 1);
}
}
"Enter" => {
ev.prevent_default();
if let Some(item) = filtered_items.get().get(current) {
if multi_select {
selected_items.update(|s| {
if s.contains(&item.id) {
s.retain(|id| id != &item.id);
} else {
s.push(item.id.clone());
}
});
}
if let Some(cb) = on_select {
cb.run(item.value.clone());
}
}
}
"Escape" => {
ev.prevent_default();
search_query.set(String::new());
focused_index.set(0);
}
_ => {}
}
};
view! {
<CommandPrimitive>
<input
data-command-input=""
type="text"
placeholder=placeholder.unwrap_or_else(|| "Search...".to_string())
on:input=move |ev| {
search_query.set(event_target_value(&ev));
focused_index.set(0);
}
on:keydown=handle_keydown
prop:value=move || search_query.get()
style="width: 100%; padding: 0.75rem; border: 1px solid var(--theme-surface-border); border-radius: var(--radius-sm); font-size: 0.875rem; background: var(--theme-surface-bg); outline: none;"
/>
<CommandListPrimitive>
{move || {
let items_list = filtered_items.get();
let query = search_query.get();
let query_clone = query.clone();
if items_list.is_empty() {
view! {
<CommandEmptyPrimitive>
<div style="padding: 2rem; text-align: center; color: var(--theme-surface-fg-muted);">
"No results found."
</div>
</CommandEmptyPrimitive>
}.into_any()
} else {
items_list.into_iter().enumerate().map(|(index, item)| {
let query_str = query_clone.clone();
let is_focused = index == focused_index.get();
let is_selected = selected_items.get().contains(&item.id);
let item_id = item.id.clone();
let item_value = item.value.clone();
view! {
<CommandItemPrimitive
class={if is_focused { "focused".to_string() } else { String::new() }}
class:selected={is_selected}
>
<div
on:click=move |_| {
if multi_select {
let id = item_id.clone();
selected_items.update(|s| {
if s.contains(&id) {
s.retain(|i| i != &id);
} else {
s.push(id);
}
});
}
if let Some(cb) = on_select {
cb.run(item_value.clone());
}
}
style="padding: 0.75rem; cursor: pointer; display: flex; align-items: center; gap: 0.5rem;"
>
{if multi_select {
view! {
<input
type="checkbox"
checked=is_selected
on:click=|e| e.stop_propagation()
/>
}.into_any()
} else {
view! {}.into_any()
}}
<span inner_html={highlight_text(&item.label, &query_str)}></span>
</div>
</CommandItemPrimitive>
}
}).collect::<Vec<_>>().into_any()
}
}}
</CommandListPrimitive>
</CommandPrimitive>
}
}