1use std::marker::PhantomData;
 2
 3use gpui3::{rems, AbsoluteLength};
 4
 5use crate::prelude::*;
 6use crate::{Icon, IconButton, Label, Panel, PanelSide};
 7
 8#[derive(Element)]
 9pub struct AssistantPanel<S: 'static + Send + Sync + Clone> {
10    state_type: PhantomData<S>,
11    scroll_state: ScrollState,
12    current_side: PanelSide,
13}
14
15impl<S: 'static + Send + Sync + Clone> AssistantPanel<S> {
16    pub fn new() -> Self {
17        Self {
18            state_type: PhantomData,
19            scroll_state: ScrollState::default(),
20            current_side: PanelSide::default(),
21        }
22    }
23
24    pub fn side(mut self, side: PanelSide) -> Self {
25        self.current_side = side;
26        self
27    }
28
29    fn render(&mut self, cx: &mut ViewContext<S>) -> impl Element<State = S> {
30        let theme = theme(cx);
31
32        struct PanelPayload {
33            pub scroll_state: ScrollState,
34        }
35
36        Panel::new(
37            self.scroll_state.clone(),
38            |_, payload| {
39                let payload = payload.downcast_ref::<PanelPayload>().unwrap();
40
41                vec![div()
42                    .flex()
43                    .flex_col()
44                    .h_full()
45                    .px_2()
46                    .gap_2()
47                    // Header
48                    .child(
49                        div()
50                            .flex()
51                            .justify_between()
52                            .gap_2()
53                            .child(
54                                div()
55                                    .flex()
56                                    .child(IconButton::new(Icon::Menu))
57                                    .child(Label::new("New Conversation")),
58                            )
59                            .child(
60                                div()
61                                    .flex()
62                                    .items_center()
63                                    .gap_px()
64                                    .child(IconButton::new(Icon::SplitMessage))
65                                    .child(IconButton::new(Icon::Quote))
66                                    .child(IconButton::new(Icon::MagicWand))
67                                    .child(IconButton::new(Icon::Plus))
68                                    .child(IconButton::new(Icon::Maximize)),
69                            ),
70                    )
71                    // Chat Body
72                    .child(
73                        div()
74                            .w_full()
75                            .flex()
76                            .flex_col()
77                            .gap_3()
78                            .overflow_y_scroll(payload.scroll_state.clone())
79                            .child(Label::new("Is this thing on?")),
80                    )
81                    .into_any()]
82            },
83            Box::new(PanelPayload {
84                scroll_state: self.scroll_state.clone(),
85            }),
86        )
87        .side(self.current_side)
88        .width(AbsoluteLength::Rems(rems(32.)))
89    }
90}