Common.js – MediaWiki

/*****************************************************************************************
 * This JavaScript file will be loaded for all users on every page load
 * Its content must be kept as minimal as possible.
 *****************************************************************************************/

mw.loader.using( ["mediawiki.util", "jquery.client"], function() { /* BEGIN mw.loader WRAPPER */

	/*****************************************************************************************
	 * Conditionally import further JavaScript for specific situations.
	 */

	function conditionallyImport() {
		if ( mw.config.get( "wgAction" ) === "edit" || mw.config.get( "wgAction" ) === "submit" ) {
			importScript( "MediaWiki:Editing.js" );
			// mw.loader.load( '/wiki/index.php?title=MediaWiki:Editing.js&action=raw&ctype=text/javascript' ); // proper thing to do - for future reference
		}
		if ( mw.config.get( "wgCanonicalNamespace" ) != "MediaWiki" && mw.config.get( "wgArticleId" ) === 0 ) {
			importScript( "MediaWiki:Creation.js" );
		}
		if ( mw.config.get( "wgPageName" ) === "Special:Version" ) {
			importScript( "MediaWiki:SpecialVersion.js" );
		}
	}
	mw.hook( "wikipage.content" ).add( conditionallyImport );

	/*****************************************************************************************
	 * Add a Purge button
	 * Maintainer: [[User:Lou Montana]]
	 */

	function offerPurgeButton() {
		var protectButton = document.getElementById("ca-protect");
		if (protectButton == null) {
			protectButton = document.getElementById("ca-unprotect");
			if (protectButton == null) {
				return; // quick'n'not that dirty
			}
		}
		var newButton = protectButton.cloneNode(true),
			link = newButton.getElementsByTagName("a")[0];
		link.removeAttribute("accesskey");
		link.setAttribute("title", "Purge the page's cache");
		link.setAttribute("href", document.location.href + (document.location.href.indexOf("?") === -1 ? "?action=purge" : "&action=purge"));
		link.innerHTML = "Purge";
		protectButton.parentNode.appendChild(newButton);
	}
	mw.hook( "wikipage.content" ).add( offerPurgeButton );

	/*****************************************************************************************
	 * Add a Fix access button
	 * Maintainer: [[User:Lou Montana]]
	 */

	function offerDeleteSessionCookieButton() {
		var protectButton = document.getElementById("ca-protect");
		if (protectButton == null) {
			protectButton = document.getElementById("ca-unprotect");
			if (protectButton == null) {
				return; // quick'n'not that dirty
			}
		}
		var newButton = protectButton.cloneNode(true),
			link = newButton.getElementsByTagName("a")[0];
		link.removeAttribute("accesskey");
		link.setAttribute("title", "Delete the community_session cookie to fix the DbQueryError issue");
		link.setAttribute("href", "/clearcookie.php?url=" + document.location.href);
		link.innerHTML = "Fix access";
		protectButton.parentNode.appendChild(newButton);
	}
	// mw.hook( "wikipage.content" ).add( offerDeleteSessionCookieButton ); // disabled for now, -should- be fixed

	/*****************************************************************************************
	 * Disable Talk pages
	 * Maintainer: [[User:Lou Montana]]
	 */

	function disableTalkPages() {
		if ($.inArray("sysop", mw.config.get("wgUserGroups")) === -1) { // not admin
			
			if (mw.config.get("wgCanonicalNamespace").indexOf("talk") !== -1 && // talk page
				mw.config.get("wgNamespaceNumber") !== 3) { // User Talk exception

				if (document.getElementById("ca-edit") != null) {
					document.getElementById("ca-edit").remove();
				}

				if (document.getElementById("ca-addsection") != null) {
					document.getElementById("ca-addsection").remove();
				}
			}

			var talkTab = document.getElementById("ca-talk");
			if (talkTab != null && talkTab.classList.contains("new")) {
				talkTab.remove();
			}
		}
	}
	mw.hook( "wikipage.content" ).add( disableTalkPages );

	/*****************************************************************************************
	 * Function that adds a Sandbox button
	 * Maintainer: [[User:Lou Montana]]
	 */

	function addSandboxButton() {
		var userpageLink = document.getElementById("pt-userpage");
		var talkLink = document.getElementById("pt-mytalk");
		if (talkLink == null) {
			return;
		}
		var sandboxLink = talkLink.cloneNode(true),
			link = sandboxLink.getElementsByTagName("a")[0];
		link.removeAttribute("accesskey");
		link.setAttribute("title", "Your Sandbox");
		link.setAttribute("href", userpageLink.getElementsByTagName("a")[0].href + "/Sandbox");
		link.innerHTML = "Sandbox";
		talkLink.parentNode.insertBefore(sandboxLink, talkLink);
	}
	mw.hook( "wikipage.content" ).add( addSandboxButton );

	/*****************************************************************************************
	 * Functions that adds Tabs
	 * Maintainer: [[User:Lou Montana]]
	 */

	function tabSystem_selectTab(titles, contents, tabIndex) {

		var i;
		for (i = 0; i < titles.length; i++) {
			titles[i].classList.remove("selected");
		}
		for (i = 0; i < contents.length; i++) {
			contents[i].style.display = "none";
		}

		if (tabIndex < 0 || tabIndex > titles.length -1 || tabIndex > contents.length -1) {
			return;
		}
		titles[tabIndex].classList.add("selected");
		contents[tabIndex].style.display = "block";
	}

	function tabSystem_implementTabs() {

		var tabBlocks = document.getElementsByClassName("biki-tabs");

		for (var i = 0; i < tabBlocks.length; i++) {

			var tabBlock = tabBlocks[i];

			var titles = tabBlock.getElementsByClassName("biki-tab-title");
			var contents = tabBlock.getElementsByClassName("biki-tab-content");
			if (titles.length < 1 || contents.length < 1 || titles.length != contents.length) {
				continue;
			}

			for (var j = 0; j < titles.length; j++) {
				(function(titles, contents, index) {
					titles[j].addEventListener("click", function () { tabSystem_selectTab(titles, contents, index) })
				})(titles, contents, j);
			}

			var selectedTab = 0;
			if (tabBlock.dataset && tabBlock.dataset.selectedtab) {
				var dataSelectedTab = +tabBlock.dataset.selectedtab;
				if (!isNaN(dataSelectedTab)) {
					selectedTab = Math.max(0, Math.min(dataSelectedTab, titles.length -1));
				}
			}

			tabSystem_selectTab(titles, contents, selectedTab);
		}
	}

	/*****************************************************************************************
	 * Function that adds Dark/Default Mode button for non logged-in users
	 * (logged-in users can select their skin in Parameters)
	 * Maintainer: [[User:Lou Montana]]
	 */

	const SKIN_USAGE = 'useskin=';

	function addDarkOrDefaultModeButton() {
		const DARKMODE_SKIN = 'darkvector';
		const DARKMODE_SKIN_USAGE = SKIN_USAGE + DARKMODE_SKIN;

		var leftTabHolder = document.getElementById('p-namespaces').getElementsByTagName('ul')[0]; // <ul>
		if (leftTabHolder == null)
			return;

		var firstButton = leftTabHolder .children[0];// <li>
		if (firstButton == null)
			return; // quick'n'not that dirty

		var buttonName;
		var title;
		var href = document.documentURI;
		if (href.indexOf(DARKMODE_SKIN_USAGE) !== -1)
		{
			buttonName = 'Default Mode';
			title = 'Go back to the default skin';
			href = href.replace(/[?&]useskin=[a-zA-Z0-9_]+/, '');
		}
		else // not in URL
		{
			buttonName = 'Dark Mode';
			title = 'Use Dark Mode';
			if (href.includes('?'))
				href += '&' + DARKMODE_SKIN_USAGE;
			else
				href += '?' + DARKMODE_SKIN_USAGE;
		}

		var newButton = firstButton.cloneNode(true),
			link = newButton.getElementsByTagName("a")[0];

		newButton.removeAttribute('class');
		link.removeAttribute('accesskey');
		link.removeAttribute('rel');
		link.setAttribute('title', title);
		link.setAttribute('href', href);
		link.innerHTML = buttonName;
		leftTabHolder.appendChild(newButton);
	}

	function setAllLinksToUseForcedSkin() {
		var usedSkin = mw.util.getParamValue('useskin');
		if (usedSkin == null || usedSkin == '')
			return;

		var allLinks = document.getElementsByTagName('a');
		var link;
		var href;
		for (var i = 0, count = allLinks.length - 1; i < count; i++)
		{
			link = allLinks[i];
			href = link.href;
			if (href == '')
				continue;

			if (href.startsWith('#') || href.startsWith('javascript:'))
				continue;

			// only wiki links, thanks
			if (href.startsWith('http') && !(href.startsWith('https://community.bistudio.com/') || href.startsWith('https://community.bohemia.net/')))
				continue;

			if (href.includes(SKIN_USAGE))
				continue; // already has a skin assigned

			if (href.includes('?'))
				href += '&' + SKIN_USAGE + usedSkin;
			else
				href += '?' + SKIN_USAGE + usedSkin;

			link.href = href;
		}
	}

	if (mw.util.getParamValue('useskin'))
		mw.hook( "wikipage.content" ).add( setAllLinksToUseForcedSkin );

	if (document.getElementById('pt-userpage') == null) // not logged in
	{
		// -after- so the URL is not changed by the above method
		mw.hook( "wikipage.content" ).add( addDarkOrDefaultModeButton );
	}

}); /* END mw.loader WRAPPER */