aboutsummaryrefslogtreecommitdiffstats
path: root/packages/website/ts/pages/wiki/wiki.tsx
blob: 9659900be68fb9b4baf1b4151fdb557bf2e2c535 (plain) (blame)
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
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
import {
    colors,
    constants as sharedConstants,
    HeaderSizes,
    MarkdownSection,
    NestedSidebarMenu,
    Styles,
    utils as sharedUtils,
} from '@0xproject/react-shared';
import * as _ from 'lodash';
import CircularProgress from 'material-ui/CircularProgress';
import RaisedButton from 'material-ui/RaisedButton';
import * as React from 'react';
import DocumentTitle = require('react-document-title');
import { SidebarHeader } from 'ts/components/sidebar_header';
import { TopBar } from 'ts/components/top_bar/top_bar';
import { Dispatcher } from 'ts/redux/dispatcher';
import { Article, ArticlesBySection } from 'ts/types';
import { backendClient } from 'ts/utils/backend_client';
import { constants } from 'ts/utils/constants';
import { Translate } from 'ts/utils/translate';
import { utils } from 'ts/utils/utils';

const TOP_BAR_HEIGHT = 60;
const WIKI_NOT_READY_BACKOUT_TIMEOUT_MS = 5000;

export interface WikiProps {
    source: string;
    location: Location;
    dispatcher: Dispatcher;
    translate: Translate;
}

interface WikiState {
    articlesBySection: ArticlesBySection;
    isHoveringSidebar: boolean;
}

const styles: Styles = {
    mainContainers: {
        position: 'absolute',
        top: 1,
        left: 0,
        bottom: 0,
        right: 0,
        overflow: 'hidden',
        height: `calc(100vh - ${TOP_BAR_HEIGHT}px)`,
        WebkitOverflowScrolling: 'touch',
    },
    menuContainer: {
        borderColor: colors.grey300,
        maxWidth: 330,
        backgroundColor: colors.gray40,
    },
};

export class Wiki extends React.Component<WikiProps, WikiState> {
    private _wikiBackoffTimeoutId: number;
    private _isUnmounted: boolean;
    constructor(props: WikiProps) {
        super(props);
        this._isUnmounted = false;
        this.state = {
            articlesBySection: undefined,
            isHoveringSidebar: false,
        };
    }
    public componentDidMount(): void {
        window.addEventListener('hashchange', this._onHashChanged.bind(this), false);
    }
    public componentWillMount(): void {
        // tslint:disable-next-line:no-floating-promises
        this._fetchArticlesBySectionAsync();
    }
    public componentWillUnmount(): void {
        this._isUnmounted = true;
        clearTimeout(this._wikiBackoffTimeoutId);
        window.removeEventListener('hashchange', this._onHashChanged.bind(this), false);
    }
    public render(): React.ReactNode {
        const menuSubsectionsBySection = _.isUndefined(this.state.articlesBySection)
            ? {}
            : this._getMenuSubsectionsBySection(this.state.articlesBySection);
        const mainContainersStyle: React.CSSProperties = {
            ...styles.mainContainers,
            overflow: this.state.isHoveringSidebar ? 'auto' : 'hidden',
        };
        const sidebarHeader = <SidebarHeader title="Wiki" iconUrl="/images/doc_icons/wiki.png" />;
        return (
            <div>
                <DocumentTitle title="0x Protocol Wiki" />
                <TopBar
                    blockchainIsLoaded={false}
                    location={this.props.location}
                    menuSubsectionsBySection={menuSubsectionsBySection}
                    translate={this.props.translate}
                    sidebarHeader={sidebarHeader}
                />
                {_.isUndefined(this.state.articlesBySection) ? (
                    <div className="col col-12" style={mainContainersStyle}>
                        <div
                            className="relative sm-px2 sm-pt2 sm-m1"
                            style={{ height: 122, top: '50%', transform: 'translateY(-50%)' }}
                        >
                            <div className="center pb2">
                                <CircularProgress size={40} thickness={5} />
                            </div>
                            <div className="center pt2" style={{ paddingBottom: 11 }}>
                                Loading wiki...
                            </div>
                        </div>
                    </div>
                ) : (
                    <div style={{ width: '100%', height: '100%', backgroundColor: colors.gray40 }}>
                        <div
                            className="mx-auto max-width-4 flex"
                            style={{ color: colors.grey800, height: `calc(100vh - ${TOP_BAR_HEIGHT}px)` }}
                        >
                            <div
                                className="relative lg-pl0 md-pl1 sm-hide xs-hide"
                                style={{ height: `calc(100vh - ${TOP_BAR_HEIGHT}px)`, width: '36%' }}
                            >
                                <div
                                    className="absolute"
                                    style={{
                                        ...styles.menuContainer,
                                        ...mainContainersStyle,
                                        height: 'calc(100vh - 76px)',
                                    }}
                                    onMouseEnter={this._onSidebarHover.bind(this)}
                                    onMouseLeave={this._onSidebarHoverOff.bind(this)}
                                >
                                    <NestedSidebarMenu
                                        topLevelMenu={menuSubsectionsBySection}
                                        menuSubsectionsBySection={menuSubsectionsBySection}
                                        sidebarHeader={sidebarHeader}
                                    />
                                </div>
                            </div>
                            <div
                                className="relative"
                                style={{
                                    width: '100%',
                                    height: `calc(100vh - ${TOP_BAR_HEIGHT}px)`,
                                    backgroundColor: 'white',
                                }}
                            >
                                <div
                                    id={sharedConstants.SCROLL_CONTAINER_ID}
                                    style={{ ...mainContainersStyle, overflow: 'auto' }}
                                    className="absolute"
                                >
                                    <div id={sharedConstants.SCROLL_TOP_ID} />
                                    <div id="wiki" style={{ paddingRight: 2 }}>
                                        {this._renderWikiArticles()}
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                )}
            </div>
        );
    }
    private _renderWikiArticles(): React.ReactNode {
        const sectionNames = _.keys(this.state.articlesBySection);
        const sections = _.map(sectionNames, sectionName => this._renderSection(sectionName));
        return sections;
    }
    private _renderSection(sectionName: string): React.ReactNode {
        const articles = this.state.articlesBySection[sectionName];
        const renderedArticles = _.map(articles, (article: Article) => {
            const githubLink = `${constants.URL_GITHUB_WIKI}/edit/master/${sectionName}/${article.fileName}`;
            return (
                <div key={`markdown-section-${article.title}`}>
                    <MarkdownSection
                        sectionName={article.title}
                        markdownContent={article.content}
                        headerSize={HeaderSizes.H2}
                        githubLink={githubLink}
                    />
                    <div className="clearfix mb3 mt2 p3 mx-auto lg-flex md-flex sm-pb4" style={{ maxWidth: 390 }}>
                        <div className="sm-col sm-col-12 sm-center" style={{ opacity: 0.4, lineHeight: 2.5 }}>
                            See a way to improve this article?
                        </div>
                        <div className="sm-col sm-col-12 lg-col-7 md-col-7 sm-center sm-pt2">
                            <RaisedButton href={githubLink} target="_blank" label="Edit on Github" />
                        </div>
                    </div>
                </div>
            );
        });
        return (
            <div key={`section-${sectionName}`} className="py2 md-px1 sm-px0">
                {renderedArticles}
            </div>
        );
    }
    private async _fetchArticlesBySectionAsync(): Promise<void> {
        try {
            const articlesBySection = await backendClient.getWikiArticlesBySectionAsync();
            if (!this._isUnmounted) {
                this.setState(
                    {
                        articlesBySection,
                    },
                    async () => {
                        await utils.onPageLoadAsync();
                        const hash = this.props.location.hash.slice(1);
                        sharedUtils.scrollToHash(hash, sharedConstants.SCROLL_CONTAINER_ID);
                    },
                );
            }
        } catch (err) {
            const errMsg = `${err}`;
            if (_.includes(errMsg, `${constants.HTTP_NO_CONTENT_STATUS_CODE}`)) {
                // We need to backoff and try fetching again later
                this._wikiBackoffTimeoutId = window.setTimeout(() => {
                    // tslint:disable-next-line:no-floating-promises
                    this._fetchArticlesBySectionAsync();
                }, WIKI_NOT_READY_BACKOUT_TIMEOUT_MS);
                return;
            }
        }
    }
    private _getMenuSubsectionsBySection(articlesBySection: ArticlesBySection): { [section: string]: string[] } {
        const sectionNames = _.keys(articlesBySection);
        const menuSubsectionsBySection: { [section: string]: string[] } = {};
        for (const sectionName of sectionNames) {
            const articles = articlesBySection[sectionName];
            const articleNames = _.map(articles, article => article.title);
            menuSubsectionsBySection[sectionName] = articleNames;
        }
        return menuSubsectionsBySection;
    }
    private _onSidebarHover(_event: React.FormEvent<HTMLInputElement>): void {
        this.setState({
            isHoveringSidebar: true,
        });
    }
    private _onSidebarHoverOff(): void {
        this.setState({
            isHoveringSidebar: false,
        });
    }
    private _onHashChanged(_event: any): void {
        const hash = window.location.hash.slice(1);
        sharedUtils.scrollToHash(hash, sharedConstants.SCROLL_CONTAINER_ID);
    }
}