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//! Column context menu — sort, filter, and custom actions.
use leptos::prelude::*;
use crate::types::{FilterKind, FilterMode, MenuItem, SortDirection, SortState, build_filter};
/// Positioned column menu with sort, filter, and extra items.
#[allow(
unreachable_pub,
clippy::too_many_lines,
clippy::needless_pass_by_value
)]
#[component]
pub fn ColMenu(
/// Column index.
col_idx: usize,
/// Column name.
col_name: String,
/// Menu X coordinate (fixed position).
x: f64,
/// Menu Y coordinate (fixed position).
y: f64,
/// Snapshot of current sort state.
sort_state: SortState,
/// Current filter for this column.
current_filter: Signal<Option<FilterKind>>,
/// Sort-change callback — emits the full priority-ordered sort list.
/// Empty vec = reset to natural order.
on_sort_change: Callback<Vec<(usize, String, SortDirection)>>,
/// Filter-change callback.
on_filter_change: Callback<(usize, String, Option<FilterKind>)>,
/// Close the menu.
on_close: Callback<()>,
/// Extra menu items from the consumer (headless slot).
extra_items: Vec<MenuItem>,
) -> impl IntoView {
let editing: RwSignal<Option<FilterMode>> = RwSignal::new(None);
let filter_input: RwSignal<String> = RwSignal::new(String::new());
let current_sort_dir = sort_state
.active
.iter()
.find(|(ci, _)| *ci == col_idx)
.map(|(_, d)| *d);
// ── Sort handlers ───────────────────────────────────────
let name_asc = col_name.clone();
let set_sort_asc = move |_| {
on_sort_change.run(vec![(col_idx, name_asc.clone(), SortDirection::Asc)]);
on_close.run(());
};
let name_desc = col_name.clone();
let set_sort_desc = move |_| {
on_sort_change.run(vec![(col_idx, name_desc.clone(), SortDirection::Desc)]);
on_close.run(());
};
let clear_sort = move |_| {
on_sort_change.run(vec![]);
on_close.run(());
};
let has_filter = Signal::derive(move || current_filter.get().is_some());
// Names pre-cloned for use inside reactive blocks.
let col_name_for_enter = col_name.clone();
let col_name_for_btn = col_name.clone();
let col_name_for_clear = col_name;
view! {
// ── Backdrop ────────────────────────────────────
<div
class="dg-menu-backdrop"
on:click=move |_| on_close.run(())
on:contextmenu=move |ev: leptos::ev::MouseEvent| {
ev.prevent_default();
on_close.run(());
}
/>
// ── Menu popup ──────────────────────────────────
<div
class="dg-col-menu"
style=format!("left:{x}px;top:{y}px;")
on:click=|ev: leptos::ev::MouseEvent| ev.stop_propagation()
>
// ── Custom items (headless slot) ────────────
{(!extra_items.is_empty()).then(|| {
let items = extra_items.clone();
view! {
{items.into_iter().map(|item| {
let cb = item.on_click;
view! {
<button
class="dg-menu-item"
disabled=item.disabled
on:click=move |_| {
cb.run(());
on_close.run(());
}
>
{item.label.clone()}
</button>
}
}).collect::<Vec<_>>()}
<hr class="dg-menu-sep" />
}
})}
// ── Sort section ────────────────────────────
<button
class="dg-menu-item"
class:dg-menu-item--active=current_sort_dir == Some(SortDirection::Asc)
on:click=set_sort_asc
>
"\u{2191} Sort ascending"
</button>
<button
class="dg-menu-item"
class:dg-menu-item--active=current_sort_dir == Some(SortDirection::Desc)
on:click=set_sort_desc
>
"\u{2193} Sort descending"
</button>
<button class="dg-menu-item" on:click=clear_sort>
"\u{2715} Clear sort"
</button>
<hr class="dg-menu-sep" />
// ── Filter section ──────────────────────────
{move || {
if let Some(mode) = editing.get() {
let name_e = col_name_for_enter.clone();
let name_b = col_name_for_btn.clone();
view! {
<div class="dg-filter-form">
<div class="dg-filter-label">
{format!("Filter \u{2014} {}", mode.label())}
</div>
<input
class="dg-filter-input"
type="text"
placeholder="value\u{2026}"
prop:value=move || filter_input.get()
on:input=move |ev| filter_input.set(event_target_value(&ev))
on:keydown=move |ev: leptos::ev::KeyboardEvent| {
if ev.key() == "Enter"
&& let Some(m) = editing.get_untracked() {
let filter = build_filter(m, filter_input.get_untracked());
on_filter_change.run((col_idx, name_e.clone(), Some(filter)));
on_close.run(());
}
if ev.key() == "Escape" {
editing.set(None);
}
}
/>
<div class="dg-filter-btns">
<button
class="dg-filter-apply"
on:click=move |_| {
if let Some(m) = editing.get_untracked() {
let filter = build_filter(m, filter_input.get_untracked());
on_filter_change.run((col_idx, name_b.clone(), Some(filter)));
on_close.run(());
}
}
>
"Apply"
</button>
<button class="dg-filter-cancel" on:click=move |_| editing.set(None)>
"Cancel"
</button>
</div>
</div>
}.into_any()
} else {
let name_c = col_name_for_clear.clone();
view! {
<div>
<button class="dg-menu-item"
on:click=move |_| editing.set(Some(FilterMode::Contains))
>
"\u{25b7} Filter: contains\u{2026}"
</button>
<button class="dg-menu-item"
on:click=move |_| editing.set(Some(FilterMode::StartsWith))
>
"\u{25b7} Filter: starts with\u{2026}"
</button>
<button class="dg-menu-item"
on:click=move |_| editing.set(Some(FilterMode::Regex))
>
"\u{25b7} Filter: regex\u{2026}"
</button>
{has_filter.get().then(|| {
view! {
<hr class="dg-menu-sep" />
<button
class="dg-menu-item dg-menu-item--danger"
on:click=move |_| {
on_filter_change.run((col_idx, name_c.clone(), None));
on_close.run(());
}
>
"\u{2715} Clear filter"
</button>
}
})}
</div>
}.into_any()
}
}}
</div>
}
}