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 props.update_count > 0 {
55        StatusIconState::Updating
56    } else if has_table_cells {
57        StatusIconState::Normal
58    } else {
59        StatusIconState::Uninitialized
60    };
61
62    let class_name = match &state {
63        StatusIconState::Errored(_, _, _, true) => "errored",
64        StatusIconState::Errored(_, _, _, false) => "errored disabled",
65        StatusIconState::Normal => "connected",
66        StatusIconState::Updating => "updating",
67        StatusIconState::Loading => "loading",
68        StatusIconState::Uninitialized => "uninitialized",
69    };
70
71    let onclick = use_async_callback(
72        (props.session.clone(), props.renderer.clone(), state.clone()),
73        async move |_: MouseEvent, (session, renderer, state)| {
74            match &state {
75                StatusIconState::Errored(..) => {
76                    session.reconnect().await?;
77                    apply_and_render(session, renderer, ViewConfigUpdate::default())?.await?;
78                },
79                StatusIconState::Normal => {
80                    session.status_indicator_clicked.emit(());
81                },
82                _ => {},
83            };
84
85            Ok::<_, ApiError>(())
86        },
87    );
88
89    html! {
90        <>
91            <div class="section">
92                <div id="status_reconnect" class={class_name} {onclick}>
93                    <span id="status" class={class_name} />
94                    <span id="status_updating" class={class_name} />
95                </div>
96                if let StatusIconState::Errored(err, stack, kind, _) = &state {
97                    <div class="error-dialog">
98                        <div class="error-dialog-message">{ format!("{} {}", kind, err) }</div>
99                        <div class="error-dialog-stack">{ stack }</div>
100                    </div>
101                }
102            </div>
103        </>
104    }
105}
106
107#[derive(Clone, Debug, PartialEq)]
108enum StatusIconState {
109    Loading,
110    Updating,
111    Errored(String, String, &'static str, bool),
112    Normal,
113    Uninitialized,
114}
perspective_viewer/components/status_indicator.rs

perspective_viewer/components/
status_indicator.rs
