nova_forms/components/
repeatable.rs

1use leptos::*;
2
3use crate::{ButtonGroup, GroupContext, QueryString};
4
5use super::{Button, Group};
6
7/// Creates a repeatable group of items.
8#[component]
9pub fn Repeatable<F, IV>(
10    /// The query string that binds the repeatable group to a `Vec`.
11    #[prop(into)] bind: QueryString,
12    /// The item that is repeated.
13    item: F
14) -> impl IntoView
15where
16    F: Fn(usize) -> IV + 'static,
17    IV: IntoView,
18{
19    let item = store_value(item);
20
21    view! {
22        <Group bind=bind>
23            {
24                let group = expect_context::<GroupContext>();
25                let (size, set_size) = create_signal(group.len().unwrap_or(0));
26
27                view! {
28                    <div class="repeatable">
29                        <For
30                            each=move || (0..size.get())
31                            key=|i| *i
32                            children=move |i| {
33                                view! {
34                                    <Group bind=QueryString::default()
35                                        .add_index(i)>{item.with_value(|item| item(i))}</Group>
36                                }
37                            }
38                        />
39                        <ButtonGroup>
40                            <Button
41                                on:click=move |_| set_size.update(|i| *i -= 1)
42                                label="Remove"
43                                icon="remove"
44                                disabled=Signal::derive(move || size.get() == 0)
45                            />
46                            <Button on:click=move |_| set_size.update(|i| *i += 1) label="Add" icon="add" />                    
47                        </ButtonGroup>
48                    </div>
49                }
50            }
51        </Group>
52        
53    }
54}
nova_forms/components/repeatable.rs

nova_forms/components/
repeatable.rs
