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 PAGE_HEIGHT = 1056;
const PPR_THRESHOLD = 50;
const BrewRenderer = createClass({
getDefaultProps : function() {
return {
text : '',
renderer : '',
errors : []
};
},
getInitialState : function() {
const pages = this.props.text.split(/^\\page/gm);
let renderer = 'legacy';
if(this.props.renderer)
renderer = this.props.renderer;
return {
viewablePageNumber : 0,
height : 0,
isMounted : false,
pages : pages,
usePPR : pages.length >= PPR_THRESHOLD,
visibility : 'hidden',
renderer : renderer,
initialContent : `
`
};
},
height : 0,
lastRender : ,
componentWillUnmount : function() {
window.removeEventListener('resize', this.updateSize);
},
componentWillReceiveProps : function(nextProps) {
const pages = nextProps.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('