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* Part of Pleiar.no - a collection of tools for nurses
*
* Copyright (C) Fagforbundet 2019-2020
* Copyright (C) Eskild Hustvedt 2017-2018
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
// @flow
import * as React from 'react';
import { MainContainer, PageTitle } from './layout';
import { Row, Col } from 'reactstrap';
import { Markdown } from './markdown';
import { NotFound } from './shared';
import { withRouter } from 'react-router';
import { Link, Redirect } from 'react-router-dom';
// $FlowIssue[cannot-resolve-module] react-select+flow temporarily broken, tracked as https://github.com/JedWatson/react-select/issues/3612
import Select from 'react-select';
import slug from '../helper.slugs.js';
import { HandbookEntry, HandbookIndex } from '../data.handbook';
import type { QuickRefEntry } from '../data.quickref';
import { RequiresAuth } from './auth';
import SimpleAccordion from './shared/simple-accordion';
import type { ReactSelectOnChangeValue } from '../types/libs.js';
/**
* A rendering component that can render a `HandbookEntry` with a
* searchSnippet, which is an array of `searchSnippetComponent`s that
* `helper.lunrSnippet` has built.
*/
class HandbookLikeSearchResult extends React.PureComponent<{|entry: HandbookEntry | QuickRefEntry, prefix: string, readmore: string |}>
{
// eslint-disable-next-line require-jsdoc
render(): React.Node
{
const { entry, prefix, readmore } = this.props;
const result = [];
for(let componentI: number = 0; componentI < entry.searchSnippet.length; componentI++)
{
const component = entry.searchSnippet[componentI];
if(component.type === "normal")
{
result.push(<span key={componentI}>{component.str}</span>);
}
else if(component.type === "highlight")
{
result.push(<b key={componentI}>{component.str}</b>);
}
else if(component.type === "delimiter")
{
result.push(<i className="handbookDelimiter" key={componentI}> (…) </i>);
}
else
{
throw('Unknown string type: '+component.type);
}
}
return <Row className="handbookSearchEntry">
<Col>
<Link to={entry.url} className="linkWrapper">
<div className="handbookSearchTitle likeLink" target="_blank">{prefix}: {entry.title}</div>
{result}. <span className="likeLink">{readmore}.</span>
</Link>
</Col>
</Row>;
}
}
/**
* A rendering component that can render a `HandbookEntry` with a
* searchSnippet, which is an array of `searchSnippetComponent`s that
* `helper.lunrSnippet` has built.
*/
class HandbookSearchResult extends React.PureComponent<{|entry: HandbookEntry |}>
{
// eslint-disable-next-line require-jsdoc
render(): React.Node
{
const { entry } = this.props;
return <HandbookLikeSearchResult entry={entry} prefix="Håndbok" readmore="Les mer i håndboken" />;
}
}
/**
* The Pleiar.no handbook index/list renderer
*/
class HandbookIndexRenderer extends React.PureComponent<{| index?: HandbookIndex, title?: string, skipToplevelArticles?: boolean, alwaysOpen?: boolean, plainList?: boolean |}>
{
/**
* Recursively goes over the entire Handbook* tree and renders
* them
*/
recursiveRender (entry: HandbookEntry | HandbookIndex, suppressTitle: ?boolean): Array<React.Node>
{
const rendered = [];
if(entry instanceof HandbookEntry)
{
rendered.push(<li key={entry.path.join('/')} className="topSection"><Link to={entry.url}>{entry.title}</Link></li>);
}
else
{
let children: Array<React.Node> = [];
for(const child of entry.tree)
{
children = children.concat( this.recursiveRender( child ) );
}
if(!suppressTitle)
{
rendered.push(<li key={entry.path.join('/')} className="topSection"><Link to={entry.url}>{entry.title}</Link></li>);
}
rendered.push(<ul key={'sub-'+entry.path.join('/')}>{children}</ul>);
}
return rendered;
}
/**
* Renders the index using a SimpleAccordion
*/
renderWithAccordion (index: HandbookIndex, skipToplevelArticles: ?boolean, alwaysOpen: ?boolean): React.Node
{
const result = [];
const rootChildren = index.tree;
for(const child of rootChildren)
{
if(skipToplevelArticles === true && child instanceof HandbookEntry)
{
continue;
}
result.push({
header: child.title,
render: this.recursiveRender(child,true)
});
}
return <SimpleAccordion key="idx-accordion" elements={result} alwaysOpen={ alwaysOpen === true } />;
}
/**
* Renders the index as a basic <ul> list
*/
renderAsUlList (index: HandbookIndex): React.Node
{
const result = [];
const rootChildren = index.tree;
for(const child of rootChildren)
{
result.push(this.recursiveRender(child,false));
}
return <ul key="hiUlList">
{result}
</ul>;
}
// eslint-disable-next-line require-jsdoc
render(): React.Node
{
let index: ?HandbookIndex = this.props.index;
const title: ?string = this.props.title;
const skipToplevelArticles: ?boolean = this.props.skipToplevelArticles;
const alwaysOpen: ?boolean = this.props.alwaysOpen;
const render = [];
const plainList = this.props.plainList === true;
if(title === null || title === undefined)
{
render.push(<h1 key="header">Håndbok</h1>);
}
else if(title.length > 0)
{
render.push(<h1 key="header">Håndbok: {title}</h1>);
}
if (index === undefined || index === null)
{
index = new HandbookIndex();
}
if(plainList)
{
render.push(this.renderAsUlList(index));
}
else
{
render.push(this.renderWithAccordion(index, skipToplevelArticles, alwaysOpen));
}
return <div className="handbookIndex">
{render}
</div>;
}
}
/**
* Props for `HandbookTocRender`
*/
type HandbookTocRenderProps = {| toc: Array<string> |};
type HandbookNavLinkRenderMode = 'nav' | 'back';
type HandbookNavLinkType = "next" | "previous" | "toplevel";
/**
* Renders the `<Select />` box that can be used to jump between headers
* on a handbook page
*/
class HandbookTocRender extends React.Component<HandbookTocRenderProps>
{
constructor (props: HandbookTocRenderProps) // eslint-disable-line require-jsdoc
{
super(props);
}
/**
* Handles scrolling to a header.
* This is bound to this instance of `HandbookTocRender` in the `constructor`.
*/
onChange (target: ReactSelectOnChangeValue)
{
Iif(Array.isArray(target))
{
return;
}
if(target !== undefined && target !== null)
{
const scrollTo = document.getElementById(target.value);
if(scrollTo)
{
window.scrollTo(0, scrollTo.offsetTop);
}
}
}
// eslint-disable-next-line require-jsdoc
render(): React.Node
{
slug.reset();
const options = [];
for(const entry of this.props.toc)
{
options.push({
label: entry,
value: slug.get(entry)
});
}
return <Select
options={options}
isClearable={false}
value={null}
noResultsText="Ingen resultater funnet"
placeholder="Hopp til…"
isSearchable={true}
autoFocus={false}
onChange={ (v: ReactSelectOnChangeValue) => this.onChange(v) }
classNamePrefix="react-select"
className="reactSelect"
/>;
}
}
/**
* A navigation link in the handbook that links to the previous or next section
* (page). Also does some magic to render shorter link text (with only "next"
* or "previous") on mobile, where space is limited.
*
* @param url The Url to render
* @param title The title to render
* @param type The type of rendering (next or previous)
* @param [genericNext] (optional) Override the generic text for Next
* @param [genericPrevious] (optional) Override the generic text for Previous
*/
class HandbookNavLinkRaw extends React.PureComponent<{| url: string, title: string, type: HandbookNavLinkType, genericNext?: string, genericPrevious?: string |}>
{
// eslint-disable-next-line require-jsdoc
render(): React.Node
{
const { url, title, type, genericNext, genericPrevious } = this.props;
let prefix : ?string = null;
let postfix : ?string = null;
let genericText : ?string = null;
if(type === "next")
{
postfix = "\u00A0»";
genericText = genericNext ? genericNext : "Neste";
}
else if(type == "previous")
{
prefix = "«\u00A0";
genericText = genericPrevious ? genericPrevious : "Forrige";
}
else Eif(type == "toplevel")
{
genericText = "↑";
}
return <Link to={url}>{prefix}<span className="d-md-none">{genericText}</span><span className="d-none d-md-inline">{title}</span>{postfix}</Link>;
}
}
/**
* A variant of @{link HandbookNavLinkRaw} that takes a @{link HandbookEntry}
* instead of raw `url` and `title` parameters.
*
* @param {HandbookEntry} entry The HandbookEntry being rendered
* @param type The type of rendering (next or previous)
*/
class HandbookNavLink extends React.PureComponent<{| entry: HandbookEntry | HandbookIndex, type: HandbookNavLinkType |}>
{
// eslint-disable-next-line require-jsdoc
render(): React.Node
{
const { entry, type } = this.props;
return <HandbookNavLinkRaw url={entry.url} title={entry.title} type={type} />;
}
}
/**
* Renders a set of `HandbookNavLink`s. One for previous, one for next.
* Usually there will be two `HandbookNavLinks` on any page, one at the top,
* one at the bottom.
*/
class HandbookNavLinks extends React.PureComponent<{|entry: HandbookEntry, navBackLink?: string, navMode?: HandbookNavLinkRenderMode, hideToplevelLink?: boolean |}>
{
// eslint-disable-next-line require-jsdoc
render(): React.Node
{
const { entry, navMode, navBackLink, hideToplevelLink } = this.props;
let previous : React.Node = null;
let next : React.Node = null;
let toplevel : React.Node = null;
if(navMode && navMode === "back" && navBackLink)
{
previous = <HandbookNavLinkRaw type="previous" url={navBackLink} title="Tilbake" genericPrevious="Tilbake" />;
}
else
{
if(entry.next)
{
next = <HandbookNavLink type="next" entry={entry.next} />;
}
if(entry.previous)
{
previous = <HandbookNavLink type="previous" entry={entry.previous} />;
}
if(hideToplevelLink !== true && entry.toplevelParent.displayIndexLink === true)
{
toplevel = <HandbookNavLink type="toplevel" entry={entry.toplevelParent} />;
}
}
return <Row className="handbook-nav">
<Col className="previous">
{previous}
</Col>
<Col className="toplevel">
{toplevel}
</Col>
<Col className="next">
{next}
</Col>
</Row>;
}
}
/**
* Renders a single section in the handbook. Will 404 if the chapter or
* section isn't found. Will redirect to the first section in a chapter if
* only a chapter is provided.
*
* @param {HandbookEntry} entry The HandbookEntry to render
* @param navMode The nav link mode (nav or back)
* @param navBackLink The URL to link to in navMode=back
*/
class HandbookRender extends React.PureComponent<{|entry: HandbookEntry, navMode?: HandbookNavLinkRenderMode, navBackLink?: string |}>
{
// eslint-disable-next-line require-jsdoc
render(): React.Node
{
const { entry, navMode, navBackLink } = this.props;
let toc : ?React.Node;
let mediumWidth: number = 8;
if (entry.hideTOC)
{
mediumWidth = 12;
}
else
{
toc = <Col md="4" className="order-md-12 conditionallySticky">
<HandbookTocRender toc={entry.toc} />
</Col>;
}
const article = <Row>
{toc}
<Col md={mediumWidth} xl="8" className="order-md-1">
<HandbookNavLinks entry={entry} navMode={navMode} navBackLink={navBackLink} />
<Markdown content={entry.content} permitSpecialNodes={true} />
<HandbookNavLinks entry={entry} navMode={navMode} navBackLink={navBackLink} hideToplevelLink={true} />
</Col>
</Row>;
if(entry.public)
{
return article;
}
return <RequiresAuth type="article" title={entry.title}>
{article}
</RequiresAuth>;
}
}
/**
* The handbook app component. Renders pages or the index.
*/
class Handbook extends React.Component<{|match: {| params: {| handbookPath?: string|}|}|}>
{
// eslint-disable-next-line require-jsdoc
render(): React.Node
{
const match = this.props.match;
let subComponent: React.Node;
let small: boolean = false;
let title: string = "Handbok";
if(match.params.handbookPath)
{
const entry = new HandbookEntry( match.params.handbookPath );
if(entry.exists)
{
subComponent = <HandbookRender entry={entry} />;
title += ' - '+entry.toplevelParent.title;
}
else
{
const index = new HandbookIndex( match.params.handbookPath );
if(index.exists)
{
subComponent = <Redirect to={index.firstChild.url} />;
}
else
{
subComponent = <NotFound root={false} />;
}
}
}
else
{
subComponent = <HandbookIndexRenderer />;
small = true;
}
return <MainContainer app="handbook" small={small}>
<Row>
<Col>
<PageTitle title={title} />
{subComponent}
</Col>
</Row>
</MainContainer>;
}
}
// Public exports
export default (withRouter(Handbook): React.AbstractComponent<{| |}>);
export { HandbookSearchResult, HandbookLikeSearchResult, HandbookRender, HandbookIndexRenderer };
// Testing exports
export { Handbook as HandbookUnconnected, HandbookNavLinks, HandbookNavLink, HandbookTocRender, HandbookNavLinkRaw };
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