1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51

use crate::{
    widget,
    widget::{
        unit::content::{ContentBoxItemNode, ContentBoxNode},
        utils::Transform,
    },
    widget_component,
};
use serde::{Deserialize, Serialize};

#[derive(Debug, Default, Clone, Serialize, Deserialize)]
pub struct SwitchBoxProps {
    #[serde(default)]
    #[serde(skip_serializing_if = "Option::is_none")]
    pub active_index: Option<usize>,
    #[serde(default)]
    pub clipping: bool,
    #[serde(default)]
    pub transform: Transform,
}
implement_props_data!(SwitchBoxProps);

widget_component! {
    pub switch_box(id, props, listed_slots) {
        let SwitchBoxProps { active_index, clipping, transform } = props.read_cloned_or_default();
        let items = if let Some(index) = active_index {
            if let Some(slot) = listed_slots.into_iter().nth(index) {
                vec![
                    ContentBoxItemNode {
                        slot,
                        ..Default::default()
                    }
                ]
            } else {
                vec![]
            }
        } else {
            vec![]
        };

        widget! {{{
            ContentBoxNode {
                id: id.to_owned(),
                props: props.clone(),
                items,
                clipping,
                transform,
            }
        }}}
    }
}