// <nowiki>   (function($) {   /*  ****************************************  *** twinkleunlink.js: Unlink module  ****************************************  * Mode of invocation:     Tab ("Unlink")  * Active on:              Non-special pages, except Wikipedia:Sandbox  */  Twinkle.unlink = function twinkleunlink() { 	if (mw.config.get('wgNamespaceNumber') < 0 || mw.config.get('wgPageName') === 'Wikipedia:Sandbox' || 		// Restrict to extended confirmed users (see #428) 		(!Morebits.userIsInGroup('extendedconfirmed') && !Morebits.userIsSysop)) { 		return; 	} 	Twinkle.addPortletLink(Twinkle.unlink.callback, 'Unlink', 'tw-unlink', 'Unlink backlinks'); };  Twinkle.unlink.getChecked2 = function twinkleunlinkGetChecked2(nodelist) { 	if (!(nodelist instanceof NodeList) && !(nodelist instanceof HTMLCollection)) { 		return nodelist.checked ? [ nodelist.values ] : []; 	} 	var result = []; 	for (var i = 0; i < nodelist.length; ++i) { 		if (nodelist[i].checked) { 			result.push(nodelist[i].values); 		} 	} 	return result; };  // the parameter is used when invoking unlink from admin speedy Twinkle.unlink.callback = function(presetReason) { 	var Window = new Morebits.simpleWindow(600, 440); 	Window.setTitle('Unlink backlinks' + (mw.config.get('wgNamespaceNumber') === 6 ? ' and file usages' : '')); 	Window.setScriptName('Twinkle'); 	Window.addFooterLink('Twinkle help', 'WP:TW/DOC#unlink');  	var form = new Morebits.quickForm(Twinkle.unlink.callback.evaluate);  	// prepend some basic documentation 	var node1 = Morebits.htmlNode('code', '[[' + Morebits.pageNameNorm + '|link text]]'); 	var node2 = Morebits.htmlNode('code', 'link text'); 	node1.style.fontFamily = node2.style.fontFamily = 'monospace'; 	node1.style.fontStyle = node2.style.fontStyle = 'normal'; 	form.append({ 		type: 'div', 		style: 'margin-bottom: 0.5em', 		label: [ 			'This tool allows you to unlink all incoming links ("backlinks") that point to this page' + 				(mw.config.get('wgNamespaceNumber') === 6 ? ', and/or hide all inclusions of this file by wrapping them in <!-- --> comment markup' : '') + 				'. For instance, ', 			node1, 			' would become ', 			node2, 			'. Use it with caution.' 		] 	});  	form.append({ 		type: 'input', 		name: 'reason', 		label: 'Reason: ', 		value: presetReason ? presetReason : '', 		size: 60 	});  	var query; 	if (mw.config.get('wgNamespaceNumber') === 6) {  // File: 		query = { 			'action': 'query', 			'list': [ 'backlinks', 'imageusage' ], 			'bltitle': mw.config.get('wgPageName'), 			'iutitle': mw.config.get('wgPageName'), 			'bllimit': 'max', // 500 is max for normal users, 5000 for bots and sysops 			'iulimit': 'max', // 500 is max for normal users, 5000 for bots and sysops 			'blnamespace': Twinkle.getPref('unlinkNamespaces'), 			'iunamespace': Twinkle.getPref('unlinkNamespaces'), 			'rawcontinue': true 		}; 	} else { 		query = { 			'action': 'query', 			'list': 'backlinks', 			'bltitle': mw.config.get('wgPageName'), 			'blfilterredir': 'nonredirects', 			'bllimit': 'max', // 500 is max for normal users, 5000 for bots and sysops 			'blnamespace': Twinkle.getPref('unlinkNamespaces'), 			'rawcontinue': true 		}; 	} 	var wikipedia_api = new Morebits.wiki.api('Grabbing backlinks', query, Twinkle.unlink.callbacks.display.backlinks); 	wikipedia_api.params = { form: form, Window: Window, image: mw.config.get('wgNamespaceNumber') === 6 }; 	wikipedia_api.post();  	var root = document.createElement('div'); 	root.style.padding = '15px';  // just so it doesn't look broken 	Morebits.status.init(root); 	wikipedia_api.statelem.status('loading...'); 	Window.setContent(root); 	Window.display(); };  Twinkle.unlink.callback.evaluate = function twinkleunlinkCallbackEvaluate(event) { 	var reason = event.target.reason.value; 	if (!reason) { 		alert('You must specify a reason for unlinking.'); 		return; 	}  	var backlinks = [], imageusage = []; 	if (event.target.backlinks) { 		backlinks = Twinkle.unlink.getChecked2(event.target.backlinks); 	} 	if (event.target.imageusage) { 		imageusage = Twinkle.unlink.getChecked2(event.target.imageusage); 	}  	Morebits.simpleWindow.setButtonsEnabled(false); 	Morebits.status.init(event.target);  	var pages = Morebits.array.uniq(backlinks.concat(imageusage));  	var unlinker = new Morebits.batchOperation('Unlinking backlinks' + (imageusage ? ' and instances of file usage' : '')); 	unlinker.setOption('preserveIndividualStatusLines', true); 	unlinker.setPageList(pages); 	var params = { reason: reason, unlinker: unlinker }; 	unlinker.run(function(pageName) { 		var wikipedia_page = new Morebits.wiki.page(pageName, 'Unlinking in article "' + pageName + '"'); 		wikipedia_page.setBotEdit(true);  // unlink considered a floody operation 		var innerParams = $.extend({}, params); 		innerParams.doBacklinks = backlinks && backlinks.indexOf(pageName) !== -1; 		innerParams.doImageusage = imageusage && imageusage.indexOf(pageName) !== -1; 		wikipedia_page.setCallbackParameters(innerParams); 		wikipedia_page.load(Twinkle.unlink.callbacks.unlinkBacklinks); 	}); };  Twinkle.unlink.callbacks = { 	display: { 		backlinks: function twinkleunlinkCallbackDisplayBacklinks(apiobj) { 			var xmlDoc = apiobj.responseXML; 			var havecontent = false; 			var list, namespaces, i;  			if (apiobj.params.image) { 				var imageusage = $(xmlDoc).find('query imageusage iu'); 				list = []; 				for (i = 0; i < imageusage.length; ++i) { 					var usagetitle = imageusage[i].getAttribute('title'); 					list.push({ label: usagetitle, value: usagetitle, checked: true }); 				} 				if (!list.length) { 					apiobj.params.form.append({ type: 'div', label: 'No instances of file usage found.' }); 				} else { 					apiobj.params.form.append({ type: 'header', label: 'File usage' }); 					namespaces = []; 					$.each(Twinkle.getPref('unlinkNamespaces'), function(k, v) { 						namespaces.push(v === '0' ? '(Article)' : mw.config.get('wgFormattedNamespaces')[v]); 					}); 					apiobj.params.form.append({ 						type: 'div', 						label: 'Selected namespaces: ' + namespaces.join(', '), 						tooltip: 'You can change this with your Twinkle preferences, at [[WP:TWPREFS]]' 					}); 					if ($(xmlDoc).find('query-continue').length) { 						apiobj.params.form.append({ 							type: 'div', 							label: 'First ' + list.length.toString() + ' file usages shown.' 						}); 					} 					apiobj.params.form.append({ 						type: 'button', 						label: 'Select All', 						event: function(e) { 							$(Morebits.quickForm.getElements(e.target.form, 'imageusage')).prop('checked', true); 						} 					}); 					apiobj.params.form.append({ 						type: 'button', 						label: 'Deselect All', 						event: function(e) { 							$(Morebits.quickForm.getElements(e.target.form, 'imageusage')).prop('checked', false); 						} 					}); 					apiobj.params.form.append({ 						type: 'checkbox', 						name: 'imageusage', 						list: list 					}); 					havecontent = true; 				} 			}  			var backlinks = $(xmlDoc).find('query backlinks bl'); 			if (backlinks.length > 0) { 				list = []; 				for (i = 0; i < backlinks.length; ++i) { 					var title = backlinks[i].getAttribute('title'); 					list.push({ label: title, value: title, checked: true }); 				} 				apiobj.params.form.append({ type: 'header', label: 'Backlinks' }); 				namespaces = []; 				$.each(Twinkle.getPref('unlinkNamespaces'), function(k, v) { 					namespaces.push(v === '0' ? '(Article)' : mw.config.get('wgFormattedNamespaces')[v]); 				}); 				apiobj.params.form.append({ 					type: 'div', 					label: 'Selected namespaces: ' + namespaces.join(', '), 					tooltip: 'You can change this with your Twinkle preferences, at [[WP:TWPREFS]]' 				}); 				if ($(xmlDoc).find('query-continue').length) { 					apiobj.params.form.append({ 						type: 'div', 						label: 'First ' + list.length.toString() + ' backlinks shown.' 					}); 				} 				apiobj.params.form.append({ 					type: 'button', 					label: 'Select All', 					event: function(e) { 						$(Morebits.quickForm.getElements(e.target.form, 'backlinks')).prop('checked', true); 					} 				}); 				apiobj.params.form.append({ 					type: 'button', 					label: 'Deselect All', 					event: function(e) { 						$(Morebits.quickForm.getElements(e.target.form, 'backlinks')).prop('checked', false); 					} 				}); 				apiobj.params.form.append({ 					type: 'checkbox', 					name: 'backlinks', 					list: list 				}); 				havecontent = true; 			} else { 				apiobj.params.form.append({ type: 'div', label: 'No backlinks found.' }); 			}  			if (havecontent) { 				apiobj.params.form.append({ type: 'submit' }); 			}  			var result = apiobj.params.form.render(); 			apiobj.params.Window.setContent(result);  			Morebits.checkboxShiftClickSupport($("input[name='imageusage']", result)); 			Morebits.checkboxShiftClickSupport($("input[name='backlinks']", result));  		} 	}, 	unlinkBacklinks: function twinkleunlinkCallbackUnlinkBacklinks(pageobj) { 		var oldtext = pageobj.getPageText(); 		var params = pageobj.getCallbackParameters(); 		var wikiPage = new Morebits.wikitext.page(oldtext);  		var summaryText = '', warningString = false; 		var text;  		// remove image usages 		if (params.doImageusage) { 			wikiPage.commentOutImage(mw.config.get('wgTitle'), 'Commented out'); 			text = wikiPage.getText(); 			// did we actually make any changes? 			if (text === oldtext) { 				warningString = 'file usages'; 			} else { 				summaryText = 'Commenting out use(s) of file'; 				oldtext = text; 			} 		}  		// remove backlinks 		if (params.doBacklinks) { 			wikiPage.removeLink(Morebits.pageNameNorm); 			text = wikiPage.getText(); 			// did we actually make any changes? 			if (text === oldtext) { 				warningString = warningString ? 'backlinks or file usages' : 'backlinks'; 			} else { 				summaryText = (summaryText ? summaryText + ' / ' : '') + 'Removing link(s) to'; 				oldtext = text; 			} 		}  		if (warningString) { 			// nothing to do! 			pageobj.getStatusElement().error("Didn't find any " + warningString + ' on the page.'); 			params.unlinker.workerFailure(pageobj); 			return; 		}  		pageobj.setPageText(text); 		pageobj.setEditSummary(summaryText + ' "' + Morebits.pageNameNorm + '": ' + params.reason + '.' + Twinkle.getPref('summaryAd')); 		pageobj.setCreateOption('nocreate'); 		pageobj.save(params.unlinker.workerSuccess, params.unlinker.workerFailure); 	} }; })(jQuery);   // </nowiki>