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mw.loader.using(['mediawiki.api', 'mediawiki.Title'], function () {

	"use strict";



	var config = mw.config.get(['wgNamespaceNumber', 'wgTitle', 'wgUserGroups', 'skin']);



	function removeBlanks(arr) {

		var ret = [];

		var i, len;

		for (i = 0, len = arr.length; i < len; i++) {

			var s = arri];

			s = s.trim();

			if (s) {

				ret.push(s);

			}

		}

		return ret;

	}



	function doMassDelete() {

		document.getElementById("wpMassDeleteSubmit").disabled = true;

		var articles = document.getElementById("wpMassDeletePages").value.split("\n");

		articles = removeBlanks(articles);

		if (!articles.length) {

			return;

		}

		var

			api = new mw.Api(),

			wpMassDeleteReasons = document.getElementById("wpMassDeleteReasons").value,

			wpMassDeleteReason = document.getElementById("wpMassDeleteReason").value,

			deleted = 0,

			failed = [],

			error = [],

			deferreds = [],

			reason = wpMassDeleteReasons == "other" ?

				wpMassDeleteReason :

				wpMassDeleteReasons + (wpMassDeleteReason ? " (" + wpMassDeleteReason + ")" : ""),

			onSuccess = function () {

				deleted++;

				document.getElementById("wpMassDeleteSubmit").value = "(" + deleted + ")";

			};



		function makeDeleteFunc(article) {

			return function () {

				return $.Deferred(function (deferred) {

					var promise = api.postWithToken('csrf', {

						format: 'json',

						action: 'delete',

						title: article,

						reason: reason

					});

					promise.done(onSuccess);

					promise.fail(function (code, obj) {

						failed.push(article);

						error.push(obj.error.info);

					});

					promise.always(function () {

						deferred.resolve();

					});

				});

			};

		}



		// Make a chain of deferred objects. We chain them rather than execute them in

		// parallel so that we don't make 1000 simultaneous delete requests and bring the

		// site down. We use deferred objects rather than the promise objects returned

		// from the API request so that the chain continues even if some articles gave

		// errors.

		var deferred = makeDeleteFunc(articles0])();

		for (var i = 1, len = articles.length; i < len; i++) {

			deferred = deferred.then(makeDeleteFunc(articlesi]));

		}



		// Show the output and do cleanup once all the requests are done.

		$.when(deferred).then(function () {

			document.getElementById("wpMassDeleteSubmit").value = "Done (" + deleted + ")";

			if (failed.length) {

				var $failedList = $('<ul>');

				for(var x = 0; x < failed.length; x++) {

					// Link the titles in the "failed" array

					var failedTitle = mw.Title.newFromText(failedx]);

					var $failedItem = $('<li>');

					if (failedTitle) {

						$failedItem.append( $('<a>')

							.attr('href', failedTitle.getUrl())

							.text(failedx])

						);

					} else {

						$failedItem.text(failedx]);

					}

					$failedItem.append(document.createTextNode(': ' + errorx]));

					$failedList.append($failedItem);

				}

				$('#wpMassDeleteFailedContainer')

					.append($('<br />'))

					.append($('<b>')

						.text('Failed deletions:')

					)

					.append($failedList);

			}

		});

	}

	 

	function massdeleteform() {

	    var bodyContent;

		switch (mw.config.get('skin')) {

			case 'modern':

				bodyContent = 'mw_contentholder';

				break;

			case 'cologneblue':

				bodyContent = 'article';

				break;

			case 'monobook':

			case 'vector':

			default:

				bodyContent = 'bodyContent';

				break;

		}

		document.getElementsByTagName("h1")[0].textContent = "Animum's mass-deletion tool";

		document.title = "Animum's mass-deletion tool - Wikipedia, the free encyclopedia";

		document.getElementById(bodyContent).innerHTML = '<h3 id="siteSub">From Wikipedia, the free encyclopedia</h3><br /><br />' +

			'<form id="wpMassDelete" name="wpMassDelete">' +

			'<b>If you abuse this tool, it\'s <i>your</i> fault, not mine.</b>' +

			'<div id="wpMassDeleteFailedContainer"></div>' +

			'<br /><br />' +

				'Pages to delete (one on each line, please):<br />' +

					'<textarea tabindex="1" accesskey="," name="wpMassDeletePages" id="wpMassDeletePages" rows="10" cols="80"></textarea>' +

				'<br /><br /><table style="background-color:transparent">' +

					'<tr><td>Common reasons:</td>' +

						'<td><select id="wpMassDeleteReasons">' +

							'<optgroup label="Other reason">' +

								'<option value="other">Other reason</option>' +

							'</optgroup>' +

							'<optgroup label="Criteria for speedy deletion">' +

								'<optgroup label="General criteria">' +

									'<option value="[[WP:CSD#G1|G1]]: [[WP:PN|Patent nonsense]], meaningless, or incomprehensible">G1: Patent nonsense</option>' +

									'<option value="[[WP:CSD#G2|G2]]: Test page">G2: Test page</option>' +

									'<option value="[[WP:CSD#G3|G3]]: [[WP:Vandalism|Vandalism]]">G3: Vandalism</option>' +

									'<option value="[[WP:CSD#G3|G3]]: Blatant [[WP:Do not create hoaxes|hoax]]">G3: Hoax</option>' +

									'<option value="[[WP:CSD#G4|G4]]: Recreation of a page that was [[WP:DEL|deleted]] per a [[WP:XFD|deletion discussion]]">G4: Repost</option>' +

									'<option value="[[WP:CSD#G5|G5]]: Creation by a [[WP:BLOCK|blocked]] or [[WP:BAN|banned]] user in violation of block or ban">G5: Banned</option>' +

									'<option value="[[WP:CSD#G6|G6]]: Housekeeping and routine (non-controversial) cleanup">G6: Maintenance</option>' +

									'<option value="[[WP:CSD#G7|G7]]: One author who has requested deletion or blanked the page">G7: Author</option>' +

									'<option value="[[WP:CSD#G8|G8]]: Page dependent on a deleted or nonexistent page">G8: Orphaned talk page</option>' +

									'<option value="[[WP:CSD#G10|G10]]: [[WP:ATP|Attack page]] or negative unsourced [[WP:BLP|BLP]]">G10: Attack page</option>' +

									'<option value="[[WP:CSD#G11|G11]]: Unambiguous [[WP:NOTADVERTISING|advertising]] or promotion">G11: Advertising</option>' +

									'<option value="[[WP:CSD#G12|G12]]: Unambiguous [[WP:CV|copyright infringement]]">G12: Copyvio</option>' +

									'<option value="[[WP:CSD#G13|G13]]: Abandoned draft or [[WP:AFC|Articles for Creation]] submission – to retrieve it, see [[WP:REFUND/G13]]">G13: Abandoned draft</option>' +

								'</optgroup>' +

								'<optgroup label="Articles">' +

									'<option value="[[WP:CSD#A1|A1]]: Short article without enough context to identify the subject">A1: No context</option>' +

									'<option value="[[WP:CSD#A2|A2]]: Article in a foreign language that exists on another project">A2: Foreign</option>' +

									'<option value="[[WP:CSD#A3|A3]]: Article that has no meaningful, substantive content">A3: No content</option>' +

									'<option value="[[WP:CSD#A7|A7]]: No credible indication of importance (individuals, animals, organizations, web content, events)">A7: Non-notable individual, animal, organization, web content, or event</option>' +

									'<option value="[[WP:CSD#A9|A9]]: Music recording by redlinked artist and no indication of importance or significance">A9: Non-notable recording by redlinked artist</option>' +

									'<option value="[[WP:CSD#A10|A10]]: Recently created article that duplicates an existing topic">A10: Recently created article that duplicates an existing topic</option>' +

									'<option value="[[WP:CSD#A11|A11]]: [[Wikipedia:Wikipedia is not for things made up one day|Made up]] by article creator or an associate, and no indication of importance/significance">A11: Made up</option>' +

								'</optgroup>' +

								'<optgroup label="Redirects">' +

									'<option value="[[WP:CSD#R2|R2]]: Cross-[[WP:NS|namespace]] [[WP:R|redirect]] from mainspace">R2: Cross-namespace</option>' +

									'<option value="[[WP:CSD#R3|R3]]: Recently created, implausible [[WP:R|redirect]]">R3: Implausible redirect</option>' +

								'</optgroup>' +

								'<optgroup label="Images and other media">' +

									'<option value="[[WP:CSD#F1|F1]]: File redundant to another on Wikipedia">F1: Redundant</option>' +

									'<option value="[[WP:CSD#F2|F2]]: Corrupt or empty file, or a file description page for a file on Commons">F2: Corrupt, empty. or Commons</option>' +

									'<option value="[[WP:CSD#F3|F3]]: File with improper license">F3: File with improper license</option>' +

									'<option value="[[WP:CSD#F4|F4]]: Lack of licensing information">F4: Lack of licensing information</option>' +

									'<option value="[[WP:CSD#F5|F5]]: Unused non-free media">F5: Unfree and unused</option>' +

									'<option value="[[WP:CSD#F6|F6]]: Non-free file without [[WP:RAT|fair-use rationale]]">F6: No rationale</option>' +

									'<option value="[[WP:CSD#F7|F7]]: [[WP:NFCC|Invalid]] fair-use claim">F7: Bad fair use rationale</option>' +

									'<option value="[[WP:CSD#F8|F8]]: Media file available on Commons">F8: On Commons</option>' +

									'<option value="[[WP:CSD#F9|F9]]: File [[WP:COPYVIO|copyright violation]]">F9: File copyvio</option>' +

									'<option value="[[WP:CSD#F11|F11]]: No evidence of permission">F11: No permission</option>' +

								'</optgroup>' +

								'<optgroup label="Categories">' +

									'<option value="[[WP:CSD#C1|C1]]: Empty category">C1: Empty</option>' +

									'<option value="[[WP:CSD#C2|C2]]: Speedy renaming">C2: Speedy rename</option>' +

									'<option value="[[WP:CSD#G8|G8]]: Populated by deleted or retargeted template">G8: Populated by deleted or retargeted template</option>' +

								'</optgroup>' +

								'<optgroup label="User namespace">' +

									'<option value="[[WP:CSD#U1|U1]]: User request to delete page in own userspace">U1: User requests deletion</option>' +

									'<option value="[[WP:CSD#U2|U2]]: Userpage or subpage of a nonexistent user">U2: Non-existent user</option>' +

									'<option value="[[WP:CSD#U5|U5]]: [[WP:NOTWEBHOST|Misuse of Wikipedia as a web host]]">U5: Misuse as webhost</option>' +

								'</optgroup>' +

								'<optgroup label="Templates">' +

									'<option value="[[WP:CSD#G8|G8]]: Component or documentation of a deleted template">G8: component of deleted template</option>' +

								'</optgroup>' +

								'<optgroup label="Other">' +

									'<option value="[[WP:PROD]]: Nominated for seven days with no objection">PRODded for more than 7 days without objection</option>' +

									'<option value="[[WP:BLPPROD]]: Nominated for seven days with no reliable sources present in the article">BLPPRODded for more than seven days without a source</option>' +

									'<option value="Listed at [[Wikipedia:Copyright problems]] for over seven days">Listed at Copyright problems for over seven days</option>' +

								'</optgroup>' +

							'</optgroup>' +

						'</select></td></tr>' +

				'<tr><td>Other/additional reason:</td>' +

					'<td><input type="text" id="wpMassDeleteReason" name="wpMassDeleteReason" maxlength="255" /></td></tr>' +

					'<tr><td><input type="button" id="wpMassDeleteSubmit" name="wpMassDeleteSubmit" value="Delete" /></td>' +

			'</form>';

		document.getElementById("wpMassDeleteReasons").onchange = function() {

			var maxlength = (document.getElementById("wpMassDeleteReasons").value == "other" ? 255 : 252-document.getElementById("wpMassDeleteReasons").value.length); //It's 252 because of the three characters (" ()") in addition to the selected summary.

			document.getElementById("wpMassDeleteReason").setAttribute("maxlength", maxlength);

		};

		document.getElementById("wpMassDeleteSubmit").addEventListener("click", function (e) {

			doMassDelete();

		});

	}

	 

	if (config.wgNamespaceNumber == -1 &&

		config.wgTitle.toLowerCase() == "massdelete" &&

		/sysop/.test(config.wgUserGroups)

	) {

		massdeleteform();

	}



});