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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98

mod action_items;
mod navigation_icon;
mod title;

pub use action_items::*;
pub use navigation_icon::*;
pub use title::*;

use crate::bool_to_option;
use gloo::events::EventListener;
use wasm_bindgen::prelude::*;
use web_sys::Element;
use yew::prelude::*;

#[wasm_bindgen(module = "/build/mwc-top-app-bar.js")]
extern "C" {
    #[derive(Debug)]
    type TopAppBar;

    #[wasm_bindgen(getter, static_method_of = TopAppBar)]
    fn _dummy_loader() -> JsValue;
}

loader_hack!(TopAppBar);

/// The `mwc-top-app-bar` component
///
/// [MWC Documentation](https://github.com/material-components/material-components-web-components/tree/v0.27.0/packages/top-app-bar)
pub struct MatTopAppBar {
    node_ref: NodeRef,
    nav_listener: Option<EventListener>,
}

/// Props for [`MatTopAppBar`]
///
/// MWC Documentation:
///
/// - [Properties](https://github.com/material-components/material-components-web-components/tree/v0.27.0/packages/top-app-bar#propertiesattributes)
/// - [Events](https://github.com/material-components/material-components-web-components/tree/v0.27.0/packages/top-app-bar#events)
#[derive(Debug, Properties, PartialEq, Clone)]
pub struct TopAppBarProps {
    pub children: Children,
    #[prop_or_default]
    pub center_title: bool,
    #[prop_or_default]
    pub dense: bool,
    #[prop_or_default]
    pub prominent: bool,
    /// Binds to `MDCTopAppBar:nav`
    ///
    /// See events docs to learn more.
    #[prop_or_default]
    pub onnavigationiconclick: Callback<()>,
}

impl Component for MatTopAppBar {
    type Message = ();
    type Properties = TopAppBarProps;

    fn create(_: &Context<Self>) -> Self {
        TopAppBar::ensure_loaded();
        Self {
            node_ref: NodeRef::default(),
            nav_listener: None,
        }
    }

    fn view(&self, ctx: &Context<Self>) -> Html {
        let props = ctx.props();
        html! {
             <mwc-top-app-bar
                 centerTitle={bool_to_option(props.center_title)}
                 dense={bool_to_option(props.dense)}
                 prominent={bool_to_option(props.prominent)}
                 ref={self.node_ref.clone()}
             >
                 {props.children.clone()}
             </mwc-top-app-bar>
        }
    }

    fn rendered(&mut self, ctx: &Context<Self>, _first_render: bool) {
        let props = ctx.props();

        if self.nav_listener.is_none() {
            let callback = props.onnavigationiconclick.clone();
            let element = self.node_ref.cast::<Element>().unwrap();

            self.nav_listener = Some(EventListener::new(
                &element,
                "MDCTopAppBar:nav",
                move |_| {
                    callback.emit(());
                },
            ));
        }
    }
}