/*eslint max-lines: ["warn", {"max": 300, "skipBlankLines": true, "skipComments": true}]*/
require('./brewRenderer.less');
const React = require('react');
const createClass = require('create-react-class');
const _ = require('lodash');
const cx = require('classnames');
const MarkdownLegacy = require('naturalcrit/markdownLegacy.js');
const Markdown = require('naturalcrit/markdown.js');
const ErrorBar = require('./errorBar/errorBar.jsx');
//TODO: move to the brew renderer
const RenderWarnings = require('homebrewery/renderWarnings/renderWarnings.jsx');
const NotificationPopup = require('./notificationPopup/notificationPopup.jsx');
const Frame = require('react-frame-component').default;
const Themes = require('themes/themes.json');
const PAGE_HEIGHT = 1056;
const PPR_THRESHOLD = 50;
const BrewRenderer = createClass({
displayName : 'BrewRenderer',
getDefaultProps : function() {
return {
text : '',
style : '',
renderer : 'legacy',
theme : '5ePHB',
lang : '',
errors : []
};
},
getInitialState : function() {
let pages;
if(this.props.renderer == 'legacy') {
pages = this.props.text.split('\\page');
} else {
pages = this.props.text.split(/^\\page$/gm);
}
return {
viewablePageNumber : 0,
height : 0,
isMounted : false,
pages : pages,
usePPR : pages.length >= PPR_THRESHOLD,
visibility : 'hidden',
initialContent : `
`
};
},
height : 0,
lastRender : ,
componentWillUnmount : function() {
window.removeEventListener('resize', this.updateSize);
},
componentDidUpdate : function(prevProps) {
if(prevProps.text !== this.props.text) {
let pages;
if(this.props.renderer == 'legacy') {
pages = this.props.text.split('\\page');
} else {
pages = this.props.text.split(/^\\page$/gm);
}
this.setState({
pages : pages,
usePPR : pages.length >= PPR_THRESHOLD
});
}
},
updateSize : function() {
this.setState({
height : this.refs.main.parentNode.clientHeight,
});
},
handleScroll : function(e){
const target = e.target;
this.setState((prevState)=>({
viewablePageNumber : Math.floor(target.scrollTop / target.scrollHeight * prevState.pages.length)
}));
},
shouldRender : function(pageText, index){
if(!this.state.isMounted) return false;
const viewIndex = this.state.viewablePageNumber;
if(index == viewIndex - 3) return true;
if(index == viewIndex - 2) return true;
if(index == viewIndex - 1) return true;
if(index == viewIndex) return true;
if(index == viewIndex + 1) return true;
if(index == viewIndex + 2) return true;
if(index == viewIndex + 3) return true;
//Check for style tages
if(pageText.indexOf('` }} />;
return \n${this.props.style}\n` }} />;
},
renderPage : function(pageText, index){
if(this.props.renderer == 'legacy')
return
;
else {
pageText += `\n\n \n\\column\n `; //Artificial column break at page end to emulate column-fill:auto (until `wide` is used, when column-fill:balance will reappear)
return (
);
}
},
renderPages : function(){
if(this.state.usePPR){
return _.map(this.state.pages, (page, index)=>{
if(this.shouldRender(page, index) && typeof window !== 'undefined'){
return this.renderPage(page, index);
} else {
return this.renderDummyPage(index);
}
});
}
if(this.props.errors && this.props.errors.length) return this.lastRender;
this.lastRender = _.map(this.state.pages, (page, index)=>{
if(typeof window !== 'undefined') {
return this.renderPage(page, index);
} else {
return this.renderDummyPage(index);
}
});
return this.lastRender;
},
frameDidMount : function(){ //This triggers when iFrame finishes internal "componentDidMount"
setTimeout(()=>{ //We still see a flicker where the style isn't applied yet, so wait 100ms before showing iFrame
this.updateSize();
window.addEventListener('resize', this.updateSize);
this.renderPages(); //Make sure page is renderable before showing
this.setState({
isMounted : true,
visibility : 'visible'
});
}, 100);
},
render : function(){
//render in iFrame so broken code doesn't crash the site.
//Also render dummy page while iframe is mounting.
const rendererPath = this.props.renderer == 'V3' ? 'V3' : 'Legacy';
const themePath = this.props.theme ?? '5ePHB';
const baseThemePath = Themes[rendererPath][themePath].baseTheme;
return (
{!this.state.isMounted
?
{this.renderDummyPage(1)}
: null}
{baseThemePath &&
}
{/* Apply CSS from Style tab and render pages from Markdown tab */}
{this.state.isMounted
&&
<>
{this.renderStyle()}
{this.renderPages()}
>
}
{this.renderPageInfo()}
{this.renderPPRmsg()}
);
}
});
module.exports = BrewRenderer;