perspective_viewer/components/
status_indicator.rs

1// ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
2// ┃ ██████ ██████ ██████       █      █      █      █      █ █▄  ▀███ █       ┃
3// ┃ ▄▄▄▄▄█ █▄▄▄▄▄ ▄▄▄▄▄█  ▀▀▀▀▀█▀▀▀▀▀ █ ▀▀▀▀▀█ ████████▌▐███ ███▄  ▀█ █ ▀▀▀▀▀ ┃
4// ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄   █ ▄▄▄▄▄ ┃
5// ┃ █      ██████ █  ▀█▄       █ ██████      █      ███▌▐███ ███████▄ █       ┃
6// ┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫
7// ┃ Copyright (c) 2017, the Perspective Authors.                              ┃
8// ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
9// ┃ This file is part of the Perspective library, distributed under the terms ┃
10// ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
11// ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
12
13use perspective_client::config::ViewConfigUpdate;
14use perspective_js::utils::ApiError;
15use web_sys::*;
16use yew::prelude::*;
17
18use crate::renderer::Renderer;
19use crate::session::{Session, SessionProps, TableLoadState};
20use crate::tasks::apply_and_render;
21use crate::utils::*;
22
23/// Value-prop version: no PubSub subscriptions, no reducer.
24/// The parent (`StatusBar`) re-renders this component whenever
25/// `session_props.error/has_table/has_table_cells` or `update_count` change
26/// (via root's `UpdateInFlight` / `UpdateSession` messages).
27#[derive(PartialEq, Properties)]
28pub struct StatusIndicatorProps {
29    pub renderer: Renderer,
30    pub session: Session,
31
32    /// TODO(texodus): remove this
33    pub update_count: u32,
34    pub session_props: SessionProps,
35}
36
37/// An indicator component which displays the current status of the perspective
38/// server as an icon. This indicator also functions as a button to invoke the
39/// reconnect callback when in an error state.
40#[function_component]
41pub fn StatusIndicator(props: &StatusIndicatorProps) -> Html {
42    let has_table_cells = props.session_props.has_table_cells;
43    let state = if let Some(err) = &props.session_props.error {
44        StatusIconState::Errored(
45            err.message(),
46            err.stacktrace(),
47            err.kind(),
48            err.is_reconnect(),
49        )
50    } else if !has_table_cells
51        && matches!(props.session_props.has_table, Some(TableLoadState::Loading))
52    {
53        StatusIconState::Loading
54    } else if matches!(props.session_props.has_table, Some(TableLoadState::Pending)) {
55        StatusIconState::Pending
56    } else if props.update_count > 0 {
57        StatusIconState::Updating
58    } else if has_table_cells {
59        StatusIconState::Normal
60    } else {
61        StatusIconState::Uninitialized
62    };
63
64    let class_name = match &state {
65        StatusIconState::Errored(_, _, _, true) => "errored",
66        StatusIconState::Errored(_, _, _, false) => "errored disabled",
67        StatusIconState::Normal => "connected",
68        StatusIconState::Updating => "updating",
69        StatusIconState::Loading => "loading",
70        StatusIconState::Pending => "pending",
71        StatusIconState::Uninitialized => "uninitialized",
72    };
73
74    let onclick = use_async_callback(
75        (props.session.clone(), props.renderer.clone(), state.clone()),
76        async move |_: MouseEvent, (session, renderer, state)| {
77            match &state {
78                StatusIconState::Errored(..) => {
79                    session.reconnect().await?;
80                    apply_and_render(session, renderer, ViewConfigUpdate::default())?.await?;
81                },
82                StatusIconState::Normal => {
83                    session.status_indicator_clicked.emit(());
84                },
85                _ => {},
86            };
87
88            Ok::<_, ApiError>(())
89        },
90    );
91
92    html! {
93        <>
94            <div class="section">
95                <div id="status_reconnect" class={class_name} {onclick}>
96                    <span id="status" class={class_name} />
97                    <span id="status_updating" class={class_name} />
98                </div>
99                if let StatusIconState::Errored(err, stack, kind, _) = &state {
100                    <div class="error-dialog">
101                        <div class="error-dialog-message">{ format!("{} {}", kind, err) }</div>
102                        <div class="error-dialog-stack">{ stack }</div>
103                    </div>
104                }
105            </div>
106        </>
107    }
108}
109
110#[derive(Clone, Debug, PartialEq)]
111enum StatusIconState {
112    Loading,
113    Pending,
114    Updating,
115    Errored(String, String, &'static str, bool),
116    Normal,
117    Uninitialized,
118}
perspective_viewer/components/status_indicator.rs

perspective_viewer/components/
status_indicator.rs
