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@vyznev vyznev/mtg_v2.user.js
Last active Aug 29, 2015

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An improved reimplementation of mtg.js for Board & Card Games SE
// ==UserScript==
// @name Improved MtG card links
// @version 2.0
// @namespace https://github.com/vyznev/
// @description An improved reimplementation of mtg.js for Board & Card Games SE
// @author Ilmari Karonen
// @license Public Domain (CC-Zero)
// @match *://boardgames.stackexchange.com/*
// @match *://meta.boardgames.stackexchange.com/*
// @grant none
// ==/UserScript==
StackExchange.ready(function () {
// config variables
var urlTemplate = 'http://gatherer.wizards.com/Pages/Card/Details.aspx?name=$1';
var windowFeatures = 'scrollbars=1, resizable=1, width=770, height=890';
// click event handler to open MtG card links in a new window
$(document).on('click', 'a.mtg-autocard', function (event) {
if (event.button !== 0) return ;
window.open(this.href, 'autocard' + (+new Date()), windowFeatures);
return false;
});
// Markdown converter hook to parse card links are not parsed in edit preview
// code loosely based on makeTagLinks() in http://dev.stackoverflow.com/content/Js/wmd.en.js
function makeMtGLinks (text) {
var excludeRanges = null;
return text.replace(/\[mtg:([^\[\]]+)\]/g, function (fullMatch, cardName, offset) {
// don't replace [mtg:] links inside <a> or <code> tags;
// but don't bother looking for them unless we actually see such a link
if (excludeRanges === null) {
var re = /<(a|code)\b[^>]*>.*?<\/\1>/gi, match;
excludeRanges = [];
while ((match = re.exec(text)) !== null) {
excludeRanges.push(match.index, re.lastIndex);
}
}
var skip = false;
for (var i = 0; i < excludeRanges.length; i++) {
if (offset < excludeRanges[i]) break;
skip = !skip;
}
if (skip) return fullMatch;
var linkName = cardName.replace(/&lt;/g, '<').replace(/&gt;/g, '>').replace(/&amp;/g, '&');
var linkUrl = urlTemplate.replace(/\$1/g, encodeURIComponent(linkName));
return '<a class="mtg-autocard" target="_blank" href="' + linkUrl + '">' + cardName + '</a>';
});
}
StackExchange.ifUsing('editor', function () {
StackExchange.MarkdownEditor.creationCallbacks.add(function (editor) {
editor.getConverter().hooks.chain('postConversion', makeMtGLinks);
});
});
// HOTFIX: change the URLs in server-side generated card links, fix double-escaping
// this should really be fixed on the server side and this code removed
function fixCardLinks() {
var cardLinks = $('a.mtg-autocard[href*="autocard.asp"]:not(.hotfixed)');
cardLinks.addClass('hotfixed');
cardLinks.each(function () {
this.href = this.href.replace(
/^http:\/\/www\.wizards\.com\/magic\/autocard\.asp\?name=([^&#]+)$/, urlTemplate
).replace(/%26lt%3[Bb]/g, '%3C') .replace(/%26gt%3[Bb]/g, '%3E') .replace(/%26amp%3[Bb]/g, '%26');
this.textContent = this.textContent.replace(/&lt;/g, '<').replace(/&gt;/g, '>').replace(/&amp;/g, '&');
});
}
fixCardLinks();
// re-run the hotfix whenever new posts are loaded via AJAX
var urlRegex = /^\/posts\/(ajax-load-realtime|\d+\/edit-submit)\/|^\/review\/(next-task|task-reviewed)\b/;
$(document).ajaxComplete(function (event, xhr, settings) {
if (urlRegex.test(settings.url)) setTimeout(fixCardLinks, 10);
});
});
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