dot_ix_playground 0.7.0

Interactive dot graphs playground web application.
Documentation 
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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224

#![allow(non_snake_case)] // Components are all PascalCase.

use dot_ix::web_components::{AppError, ErrorTemplate};
use leptos::*;
use leptos_meta::*;
use leptos_router::*;

use self::info_graph::InfoGraph;

mod info_graph;

/// Whether to only draw the diagram and hide the text boxes.
#[cfg(target_arch = "wasm32")]
const QUERY_PARAM_DIAGRAM_ONLY: &str = "diagram_only";

/// Sets the info graph src using logic purely executed on the client side.
///
/// This is for a pure client side rendered app, so updating a signal within
/// `create_effect` is safe.
#[cfg(target_arch = "wasm32")]
fn diagram_only_init(set_diagram_only: WriteSignal<bool>) {
    use js_sys::Array;
    use web_sys::{console, Url, UrlSearchParams};

    create_effect(move |_| {
        let url_search_params = web_sys::window().and_then(|window| {
            let url = Url::new(&String::from(window.location().to_string()))
                .expect("Expected URL to be valid.");

            let hash = url.hash();
            if hash.is_empty() {
                Some(url.search_params())
            } else {
                let hash = hash.replacen('#', "?", 1);
                match UrlSearchParams::new_with_str(hash.as_str()) {
                    Ok(search_params) => Some(search_params),
                    Err(error) => {
                        let message = Array::new_with_length(1);
                        message.set(0, error);
                        console::log(&message);
                        None
                    }
                }
            }
        });
        if let Some(url_search_params) = url_search_params {
            let diagram_only = url_search_params
                .get(QUERY_PARAM_DIAGRAM_ONLY)
                .and_then(|diagram_only_str| serde_yaml::from_str::<bool>(&diagram_only_str).ok())
                .unwrap_or(false);
            set_diagram_only.set(diagram_only);
        } else {
            set_diagram_only.set(false);
        }
    });
}

/// Top level playground application.
#[component]
pub fn App() -> impl IntoView {
    // Provides context that manages stylesheets, titles, meta tags, etc.
    provide_meta_context();

    let site_prefix = option_env!("SITE_PREFIX").unwrap_or("");
    let stylesheet_path = format!("{site_prefix}/pkg/dot_ix.css");
    let fonts_path = format!("{site_prefix}/fonts/fonts.css");

    // I *think* this is necessary because the `TrailingSlash` logic doesn't work
    // when the app is served through a static site, e.g. GitHub pages.
    //
    // When the site prefix is empty, we cannot mount both `""` and `"/"`, because
    // `axum` panics, as both paths map to the root resource.
    //
    // When the site prefix is *not* empty, then we have to mount both
    // `{site_prefix}` and `{site_prefix}/`, because when served through a static
    // site, we don't have server site logic to apply the `TrailingSlash` logic.
    // That is, I'm assuming `TrailingSlash` is applied through `"ssr"`, and not
    // through client side routing.
    if site_prefix.is_empty() {
        view! {
            // injects a stylesheet into the document <head>
            // id=leptos means cargo-leptos will hot-reload this stylesheet
            <Stylesheet id="leptos" href=stylesheet_path />
            <Stylesheet id="fonts" href=fonts_path />
            <Title text="dot_ix: Interactive dot graphs" />

            // content for this welcome page
            <Router
                fallback=|| RouterFallback.into_view()
            >
                <main>
                    <Routes>
                        <Route
                            path=""
                            trailing_slash=TrailingSlash::Drop
                            view=|| view! { <HomePage/> }
                        />
                    </Routes>
                </main>
            </Router>
        }
    } else {
        view! {
            // injects a stylesheet into the document <head>
            // id=leptos means cargo-leptos will hot-reload this stylesheet
            <Stylesheet id="leptos" href=stylesheet_path />
            <Stylesheet id="fonts" href=fonts_path />
            <Title text="dot_ix: Interactive dot graphs" />

            // content for this welcome page
            <Router
                fallback=|| RouterFallback.into_view()
            >
                <main>
                    <Routes>
                        <Route
                            path=site_prefix
                            trailing_slash=TrailingSlash::Exact
                            view=|| view! { <HomePage/> }
                        />
                        <Route
                            path=format!("{site_prefix}/")
                            trailing_slash=TrailingSlash::Exact
                            view=|| view! { <HomePage/> }
                        />
                    </Routes>
                </main>
            </Router>
        }
    }
}

/// Renders the home page of your application.
#[component]
fn RouterFallback() -> impl IntoView {
    let route_context = leptos_router::use_route();
    let path = route_context.path();
    let path_unresolved = route_context.resolve_path("").is_none();

    let mut outside_errors = Errors::default();
    if path_unresolved {
        outside_errors.insert_with_default_key(AppError::RouteNotFound { path });
    }

    let outside_errors = create_rw_signal(outside_errors);
    view! {
        <Show
            when=move || path_unresolved
        >
            <ErrorTemplate outside_errors />
        </Show>
    }
}

/// Renders the home page of your application.
#[component]
fn HomePage() -> impl IntoView {
    let (diagram_only, set_diagram_only) = create_signal(true);

    #[cfg(target_arch = "wasm32")]
    diagram_only_init(set_diagram_only);

    let _set_diagram_only = set_diagram_only;

    let main_div_classes = move || {
        if diagram_only.get() { "" } else { "md:p-12" }
    };
    let disclaimer_classes = move || {
        if diagram_only.get() {
            "hidden"
        } else {
            "
            border
            border-amber-300
            bg-gradient-to-b from-amber-100 to-amber-200
            my-2
            p-2
            rounded
            "
        }
    };

    view! {
        <div class=main_div_classes>
            <InfoGraph diagram_only=diagram_only />
            <div class=disclaimer_classes>
                <p>
                    <span class="font-bold">"🐱 GitHub: "</span>
                    <a
                        class="text-sky-600 hover:text-sky-400 active:text-sky-300"
                        href="https://github.com/azriel91/dot_ix"
                    >
                        "azriel91/dot_ix"
                    </a>
                </p>
                <p>
                    "This is an "<i>"early"</i>" frontend prototype for the "
                    <a
                        class="text-sky-600 hover:text-sky-400 active:text-sky-300"
                        href="https://peace.mk"
                    >
                        "Peace"
                    </a>
                    " automation framework"
                </p>
                <p>
                    <b>"Notes:"</b>
                    <ol class="list-disc mx-4">
                    <li>"The Flex Diagram is still experimental, and the arrows don't \
                        receive styling."</li>
                    <li>"Docs for theme keys can be found at: "<a
                        class="text-sky-600 hover:text-sky-400 active:text-sky-300"
                        href="https://docs.rs/dot_ix_model/latest/dot_ix_model/theme/enum.ThemeAttr.html"
                    >
                        "docs.rs/dot_ix_model/theme/enum.ThemeAttr.html"
                    </a></li>
                    <li>"If you'd like to contribute to the development of this library, \
                        I'd be super delighted, since I'm not a web-dev™️ 🙃."</li>
                    </ol>
                </p>
            </div>
        </div>
    }
}