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User:Blue-Haired Lawyer/watchlist.js

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function WLScript(){

var whenPageLoaded = +new Date - 20000;

var mainTab;

var alreadySorted, alreadyAddedUnwatch;

mw.util.addCSS("a.failure {color:red} .unwatched {text-decoration: line-through}");

//enwiki
var mm = {
	sortTip: "Sort rows by even namespace number, then by page title",
	sortDone: "Watchlist changes already sorted",
	unwatchTip: "Add (x) quick unwatch links",
	unwatchDone: "Use (x) links to quickly unwatch pages",
	onlynew: "Only new",
	onlynewTip: "Show changes since this page was last loaded",
	expandAll: "Expand multiple edits",
	fullPage: "Hide/Show interface"
};

PngFixDisabled = true;

//enhanced RC: make (x) appear by clicking on timestamp
var isEnhanced = mw.util.$content.find("ul.special").length == 0;

if (isEnhanced) {
	mw.util.$content.click(toggleXLink);
}

//find insertion points for links:  after "days all"
var linksAt = $("#mw-watchlist-options").find("a[href*=\"&days=7\"]").eq(0).next().next();

//find insertion points for links:  after "days all"
if (!linksAt.length) {
	linksAt = $("#mw-watchlist-options").find("hr:last");
}

mainTab = $("#ca-special, #ca-nstab-special").eq(0);

//"only new" link and tab
addLnk(mm.onlynew, mm.onlynewTip).mousedown(onlyNewEntries).attr("id", "listSince");
addTab(mm.onlynew, mm.onlynewTip).mousedown(onlyNewEntries);

//"unwatch" link(s)
addXLinks();

//"sort" link
addLnk("↑↓", mm.sortTip).click(sortWatchlist);

//"expand all" link
if ($("#mw-rc-openarrow-0").length) {
	addLnk("±", mm.expandAll).click(expandMultipleEdits);
}

//"hideInterface" tab
addTab("↸", mm.fullPage).click(hideInterface).attr("href", "#");

function addLnk(txt, tip) {
	linksAt.before(" | ");
	return $("<a href=# title=\"" + tip + "\" style=\"font-style:italic\">" + txt + "</a>").insertBefore(linksAt);
}

function addTab(txt, tip) {
	if (window.wlNoTabs) {
		return;
	}
	var tab = mainTab.clone(true).removeClass("selected").attr("id", "");
	tab.find("a").text(txt).attr("title", tip).attr("accesskey", "");
	return tab.appendTo(mainTab.parent());
}

return;

function onlyNewEntries(e) {
	var url = window.location.href.split("#")[0];
	var days = (+new Date - whenPageLoaded) / 86400000;
	e.target.href = /[?&]days=/.test(url) ? url.replace(/([?&]days=)[^&]*/, "$1" + days) : url + (url.indexOf("?") < 0 ? "?" : "&") + "days=" + days;
	return true;
}


function sortWatchlist(e) {
	e.preventDefault();
	if (alreadySorted) {
		return alert(mm.sortDone);
	}
	mw.util.$content.find("h4").each(function (i, H4) {
		sortDay($(H4).next("div, ul"));
	});
	alreadySorted = true;
}


function sortDay(dayDiv) {
	var i, pgname, rowElem, hiddenDiv, rows = dayDiv.find("a[href*=\"&action=history\"]");
	for (i = 0; i < rows.length; i++) {
		pgname = getLinkTitle(rows[i]);
		ns = getTitleNamespace(pgname);
		if (ns > 0) {
			pgname = pgname.replace(/^.+?:/, "");
		}
		if (ns % 2) {
			ns--;
		}
		rows[i].sortkey = zzz(ns) + ":" + pgname;
	}

	//sort rows array
	rows.sort(function (a, b) {
		if (a.sortkey > b.sortkey) {
			return 1;
		} else if (a.sortkey < b.sortkey) {
			return -1;
		} else {
			return 0;
		}
	});

	//sort rows in HTML, by moving all to the bottom
	if (isEnhanced) {
		for (i = 0; i < rows.length; i++) {
			rowElem = rows.eq(i).closest("table");
			hiddenDiv = rowElem.next("div");
			dayDiv.append(rowElem, hiddenDiv);
		}
	} else {
		for (i = 0; i < rows.length; i++) {
			rowElem = rows.eq(i).closest("li");
			dayDiv.append(rowElem);
		}
	}
}


function expandMultipleEdits(e) {
	e.preventDefault();
	var i = 0,
		sp, state = $("#mw-rc-openarrow-0")[0].style.display;
	while ((sp = document.getElementById("mw-rc-openarrow-" + (i++).toString()))) {
		if (sp.style.display == state) {
			$(sp.firstChild).click();
		}
	}
}


function addXLinks(e) {
	if (e) {
		e.preventDefault();
	}
	if (alreadyAddedUnwatch) {
		return alert(mm.unwatchDone);
	}
	mw.util.$content.find("a[href*=\"&action=history\"]").each(function (i, lnk) {
		addXLink($(lnk));
	});
	alreadyAddedUnwatch = true;
}


function addXLink(histLink) {
	var xLnk = $("<a class=aj-unwatch style=\"font-size:smaller\" href=\"" + histLink.attr("href").replace(/&curid=\d+/, "") + "\" />").click(ajaxUnwatch);
	if (isEnhanced) {
		histLink.parent().prepend(xLnk.text("(x)"), " ");
	} else {
		histLink.after(" | ", xLnk.text("X"));
	}
	updateXLink(xLnk);
}


function updateXLink(xLnk, state) {
	if (!xLnk.length) {
		return;
	}
	state = state ? "watch" : "unwatch";
	xLnk.attr("title", mw.msg(state)).attr("href", xLnk.attr("href").replace(/&action=\w+/, "&action=" + state));
}


function toggleXLink(e) {
	if (!$(e.target).filter("td.mw-enhanced-rc").length) {
		return;
	}
	var tbl = $(e.target).parents("table.mw-enhanced-rc");
	var x = tbl.find("a.aj-unwatch");
	if (x.length) {
		x.remove();
	} else {
		addXLink(tbl.find("a[href*=\"&action=history\"]"));
	}
}


function ajaxUnwatch(e) {
	var xLnk = $(this),
		errMsg = "";
	var req = {
		action: "watch",
		format: "json",
		title: getLinkTitle(xLnk),
		token: mw.user.tokens.get("watchToken")
	};
	if (/&action=unwatch/.test(xLnk.attr("href"))) {
		req.unwatch = "";
	}
	$.ajax({
		type: "POST",
		dataType: "json",
		url: mw.util.wikiScript("api"),
		data: req,
		timeout: 5000,
		success: function (resp) {
			if (resp.error) {
				errMsg = resp.error.info;
			} else if (!resp.watch) {
				errMsg = "empty response";
			} else if (typeof resp.watch.unwatched == "string") {
				unwatchSuccess(req.title, true);
			} else if (typeof resp.watch.watched == "string") {
				unwatchSuccess(req.title, false);
			} else {
				errMsg = "unrecognized response";
			}
		},
		error: function (xhr, status, err) {
			errMsg = status + ":" + err;
		},
		complete: function () {
			if (errMsg) {
				xLnk.attr("title", "API error: " + errMsg).addClass("failure");
			} else {
				xLnk.removeClass("failure");
			}
		}
	});
	return false;
}

//find full name of associated talk page (or vice versa)
function unwatchSuccess(name, isUnwatched) {
	var ns = getTitleNamespace(name);
	var name2 = name;
	if (ns > 0) {
		name2 = name2.replace(/^.+?:/, "");
	}
	if (ns % 2) {
		ns--;
	} else {
		ns++;
	}
	if (ns > 0) {
		name2 = wgFormattedNamespaces[ns] + ":" + name2;
	}
	mw.util.$content.find("a[href*=\"&action=history\"]").each(function () {
		var ttl = getLinkTitle(this);
		if (ttl != name && ttl != name2) {
			return;
		}
		var row = $(this).parent();
		zthis = this;
		row.children(".mw-title").toggleClass("unwatched", isUnwatched);
		updateXLink(row.children("a.aj-unwatch"), isUnwatched);
	});
}


function hideInterface(e) {
	if (e) {
		e.preventDefault();
	}

	var x = $("#firstHeading").css("display");

	var isInterfaceHidden = (x == "none") ? true : false;

	var a = mainTab.find("a");

	if (isInterfaceHidden) {
		a.text(a.attr("oldtext"));
		$("#firstHeading, #contentSub, #mw-watchlist-options").css("display","block");
	} else {
		$("#firstHeading, #contentSub, #mw-watchlist-options").css("display","none");
		a.attr("oldtext", a.text());
		a.text($("h1#firstHeading").text());
	}
}


function getTitleNamespace(title) {
	var prefix = /^(.+?):/.exec(title);
	if (!prefix) {
		return 0;
	}
	return wgNamespaceIds[prefix[1].toLowerCase().replace(/ /g, "_")] || 0;
}


function getLinkTitle(lnk) {
	var ma = /(&|\?)title=([^&]+)/.exec($(lnk).attr("href"));
	if (ma) {
		return decodeURIComponent(ma[2]).replace(/_/g, " ");
	} else {
		return "";
	}
}


function zzz(s) {
	s = s.toString();
	if (s.length == 1) {
		return "00" + s;
	} else if (s.length == 2) {
		return "0" + s;
	} else {
		return s;
	}
}
}

$( document ).ready( function( $ ) {
    return; // Please fix script. See  [[phab:T72470]]
	if( wgCanonicalSpecialPageName == 'Watchlist' && wgAction == 'view' ) $(WLScript)
} );