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Switch math rendering to KaTeX

This commit is contained in:
Lorenz Hübschle-Schneider 2016-04-03 14:32:17 +02:00
parent 53d8b2cee2
commit b8854a287a
4 changed files with 45 additions and 30 deletions
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2
index.html
View File

@ -295,7 +295,7 @@ $ openssl req -nodes -newkey rsa:4096 -keyout relay.pem -x509 -days 365 -out rel
<td class="prefix"><a ng-click="addMention(bufferline.prefix)"><span class="hidden-bracket">&lt;</span><span ng-repeat="part in ::bufferline.prefix" ng-class="::part.classes" ng-bind="::part.text|prefixlimit:25"></span><span class="hidden-bracket">&gt;</span></a></td><!--
--><td class="message"><!--
--><div ng-repeat="metadata in ::bufferline.metadata" plugin data="::metadata"></div><!--
--><span ng-repeat="part in ::bufferline.content" class="text" ng-class="::part.classes.concat(['line-' + part.$$hashKey.replace(':','_')])" ng-bind-html="::part.text | linky:'_blank' | DOMfilter:'irclinky' | DOMfilter:'emojify':settings.enableJSEmoji | DOMfilter:'inlinecolour' | DOMfilter:'mathjax':('.line-' + part.$$hashKey.replace(':','_')):settings.enableMathjax"></span>
--><span ng-repeat="part in ::bufferline.content" class="text" ng-class="::part.classes.concat(['line-' + part.$$hashKey.replace(':','_')])" ng-bind-html="::part.text | linky:'_blank' | DOMfilter:'irclinky' | DOMfilter:'emojify':settings.enableJSEmoji | DOMfilter:'inlinecolour' | DOMfilter:'latexmath':('.line-' + part.$$hashKey.replace(':','_')):settings.enableMathjax"></span>
</td>
</tr>
<tr class="readmarker" ng-if="activeBuffer().lastSeen==$index">

18
js/filters.js
View File

@ -175,15 +175,23 @@ weechat.filter('emojify', function() {
};
});
weechat.filter('mathjax', function() {
weechat.filter('latexmath', function() {
return function(text, selector, enabled) {
if (!enabled || typeof(MathJax) === "undefined") {
if (!enabled || typeof(katex) === "undefined") {
return text;
}
if (text.indexOf("$$") != -1 || text.indexOf("\\[") != -1 || text.indexOf("\\(") != -1) {
// contains math
var math = document.querySelector(selector);
MathJax.Hub.Queue(["Typeset",MathJax.Hub,math]);
// contains math -> delayed rendering
setTimeout(function() {
var math = document.querySelector(selector);
renderMathInElement(math, {
delimiters: [
{left: "$$", right: "$$", display: false},
{left: "\\[", right: "\\]", display: true},
{left: "\\(", right: "\\)", display: false}
]
});
});
}
return text;

30
js/glowingbear.js
View File

@ -382,26 +382,17 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
});
// To prevent unnecessary loading times for users who don't
// want MathJax, load it only if the setting is enabled.
// want LaTeX math, load it only if the setting is enabled.
// This also fires when the page is loaded if enabled.
// Note that this says MathJax but we switched to KaTeX
settings.addCallback('enableMathjax', function(enabled) {
if (enabled && !$rootScope.mathjax_init) {
// Load MathJax only once
$rootScope.mathjax_init = true;
(function () {
var head = document.getElementsByTagName("head")[0], script;
script = document.createElement("script");
script.type = "text/x-mathjax-config";
script[(window.opera ? "innerHTML" : "text")] =
"MathJax.Hub.Config({\n" +
" tex2jax: { inlineMath: [['$$','$$'], ['\\\\(','\\\\)']], displayMath: [['\\\\[','\\\\]']] },\n" +
"});";
head.appendChild(script);
script = document.createElement("script");
script.type = "text/javascript";
script.src = "//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML";
head.appendChild(script);
})();
utils.inject_css("https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.css");
utils.inject_script("https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/katex.min.js");
utils.inject_script("https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.5.1/contrib/auto-render.min.js");
}
});
@ -415,14 +406,7 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
}
// Load new theme
(function() {
var elem = document.createElement("link");
elem.rel = "stylesheet";
elem.href = "css/themes/" + theme + ".css";
elem.media = "screen";
elem.id = "themeCSS";
document.getElementsByTagName("head")[0].appendChild(elem);
})();
utils.inject_css("css/themes/" + theme + ".css", "themeCSS");
});
settings.addCallback('customCSS', function(css) {

25
js/utils.js
View File

@ -21,9 +21,32 @@ weechat.factory('utils', function() {
return (document.body.clientWidth < mobile_cutoff);
};
// Inject a javascript (used by KaTeX)
var inject_script = function(script_url) {
var script = document.createElement("script");
script.type = "text/javascript";
script.src = script_url;
var head = document.getElementsByTagName("head")[0];
head.appendChild(script);
};
// Inject a stylesheet (used by KaTeX and theme switching)
var inject_css = function(css_url, id) {
var elem = document.createElement("link");
elem.rel = "stylesheet";
elem.href = css_url;
if (id)
elem.id = id;
var head = document.getElementsByTagName("head")[0];
head.appendChild(elem);
};
return {
changeClassStyle: changeClassStyle,
getClassStyle: getClassStyle,
isMobileUi: isMobileUi
isMobileUi: isMobileUi,
inject_script: inject_script,
inject_css: inject_css,
};
});