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use crate::components::shared::{CONTROL_MOTION, FOCUS_RING};
use crate::icons::{icondata, Icon};
use crate::{Pagination, Table, TableBody, TableCell, TableHead, TableHeader, TableRow};
use leptos::prelude::*;
use std::collections::{HashMap, HashSet};
#[derive(Clone, Debug)]
pub struct Column {
pub key: String,
pub header: String,
pub sortable: bool,
pub editable: bool,
}
#[component]
pub fn DataTable(
columns: Vec<Column>,
rows: Vec<HashMap<String, String>>,
#[prop(default = false)] selectable: bool,
#[prop(default = false)] filterable: bool,
#[prop(default = 0usize)] page_size: usize,
) -> impl IntoView {
let filter = RwSignal::new(String::new());
// (col_key, ascending)
let sort: RwSignal<Option<(String, bool)>> = RwSignal::new(None);
let selected: RwSignal<HashSet<usize>> = RwSignal::new(HashSet::new());
let current_page = RwSignal::new(1usize);
let cols = StoredValue::new(columns);
let all_rows = StoredValue::new(rows);
// Derived: filtered + sorted rows (with original index)
let processed = Memo::new(move |_| {
let f = filter.get().to_lowercase();
let s = sort.get();
let rows = all_rows.get_value();
let mut result: Vec<(usize, HashMap<String, String>)> = rows
.into_iter()
.enumerate()
.filter(|(_, row)| {
if f.is_empty() {
return true;
}
row.values().any(|v| v.to_lowercase().contains(&f))
})
.collect();
// ponytail: sorts lexically; f64 parse is best-effort numeric fallback
if let Some((ref key, asc)) = s {
let k = key.clone();
result.sort_by(|(_, a), (_, b)| {
let av = a.get(&k).map(|s| s.as_str()).unwrap_or("");
let bv = b.get(&k).map(|s| s.as_str()).unwrap_or("");
let ord = match (av.parse::<f64>(), bv.parse::<f64>()) {
(Ok(af), Ok(bf)) => af.partial_cmp(&bf).unwrap_or(std::cmp::Ordering::Equal),
_ => av.cmp(bv),
};
if asc {
ord
} else {
ord.reverse()
}
});
}
result
});
let total_pages = Memo::new(move |_| {
if page_size == 0 {
return 1;
}
let n = processed.get().len();
if n == 0 {
1
} else {
(n + page_size - 1) / page_size
}
});
// clamp page to valid range so filter changes don't leave us on a phantom page
let paged = Memo::new(move |_| {
let rows = processed.get();
if page_size == 0 {
return rows;
}
let total = total_pages.get().max(1);
let page = current_page.get().min(total).saturating_sub(1);
rows.into_iter()
.skip(page * page_size)
.take(page_size)
.collect::<Vec<_>>()
});
let all_selected = Memo::new(move |_| {
let page_rows = paged.get();
if page_rows.is_empty() {
return false;
}
let sel = selected.get();
page_rows.iter().all(|(i, _)| sel.contains(i))
});
view! {
<div class="space-y-3">
{move || filterable.then(|| view! {
<input
class=format!("flex h-10 w-full rounded-md border border-input bg-transparent px-3 py-2 text-sm text-foreground placeholder:text-muted-foreground {} {}", CONTROL_MOTION, FOCUS_RING)
type="text"
placeholder="Filter…"
prop:value=move || filter.get()
on:input=move |e| filter.set(event_target_value(&e))
/>
})}
<Table>
<TableHeader>
<TableRow>
{move || selectable.then(|| {
let is_all = all_selected.get();
view! {
<TableHead class="w-10".to_string()>
<input
type="checkbox"
class="h-4 w-4 cursor-pointer accent-primary"
prop:checked=move || all_selected.get()
on:change=move |_| {
let page_rows = paged.get_untracked();
selected.update(|sel| {
if is_all {
for (i, _) in &page_rows { sel.remove(i); }
} else {
for (i, _) in &page_rows { sel.insert(*i); }
}
});
}
/>
</TableHead>
}
})}
{move || {
cols.get_value().into_iter().map(|col| {
let key = col.key.clone();
let header = col.header.clone();
let sortable = col.sortable;
view! {
<TableHead>
{if sortable {
let k = key.clone();
let kk = key.clone();
view! {
<button
class=format!("flex items-center gap-1 hover:text-foreground {} {}", CONTROL_MOTION, FOCUS_RING)
on:click=move |_| {
sort.update(|s| {
*s = Some(match s {
Some((ref ck, ref asc)) if ck == &k => (k.clone(), !*asc),
_ => (k.clone(), true),
});
});
current_page.set(1);
}
>
{header.clone()}
{move || {
let k2 = kk.clone();
match sort.get() {
Some((ref ck, true)) if ck == &k2 => view! {
<Icon icon=Signal::derive(|| icondata::LuChevronUp) width="14" height="14" />
}.into_any(),
Some((ref ck, false)) if ck == &k2 => view! {
<Icon icon=Signal::derive(|| icondata::LuChevronDown) width="14" height="14" />
}.into_any(),
_ => view! {
<Icon icon=Signal::derive(|| icondata::LuChevronsUpDown) width="14" height="14" attr:class="text-muted-foreground/50" />
}.into_any(),
}
}}
</button>
}.into_any()
} else {
view! { <span>{header.clone()}</span> }.into_any()
}}
</TableHead>
}
}).collect::<Vec<_>>()
}}
</TableRow>
</TableHeader>
<TableBody>
<For
each=move || paged.get()
key=|(i, _)| *i
children=move |(orig_idx, row)| {
let row_stored = StoredValue::new(row);
view! {
<TableRow>
{move || selectable.then(|| {
view! {
<TableCell class="w-10".to_string()>
<input
type="checkbox"
class="h-4 w-4 cursor-pointer accent-primary"
prop:checked=move || selected.get().contains(&orig_idx)
on:change=move |_| {
selected.update(|sel| {
if sel.contains(&orig_idx) {
sel.remove(&orig_idx);
} else {
sel.insert(orig_idx);
}
});
}
/>
</TableCell>
}
})}
{move || {
let row = row_stored.get_value();
cols.get_value().into_iter().map(|col| {
let val = row.get(&col.key).cloned().unwrap_or_default();
view! { <TableCell>{val}</TableCell> }
}).collect::<Vec<_>>()
}}
</TableRow>
}
}
/>
</TableBody>
</Table>
{move || (page_size > 0 && total_pages.get() > 1).then(|| {
view! {
<div class="flex justify-end">
<Pagination page=current_page total_pages=total_pages.get() />
</div>
}
})}
</div>
}
}