利用者:FlatLanguage/retrieveSigning-mod.js

//[[利用者:Frozen-mikan/retrieveSigning.js]]を改変
/* 
 * 過去の版もしくは、版の差分が表示されてる場合に機能する。
 * ページ名と版情報を取得し、定型文を生成する。
 * 他言語版では[[利用者:FlatLanguage/EasyAttribution.js]]が使える。
 * 
 * == 使い方 ==
 * mw.loader.load("/w/index.php?title=User:FlatLanguage/retrieveSigning-mod.js&action=raw&ctype=text/javascript");
 *
 */

jQuery(function() {
	
	if ( mw.config.get('wgAction') == 'edit' ) return;

	if (!(document.location.href).includes('oldid=') && !(document.location.href).includes('diff=')) return;
	
	var revisionid = mw.config.get('wgRevisionId');
	var oldid = mw.config.get('wgDiffOldId');
	var newid = mw.config.get('wgDiffNewId');
	var pageid = mw.config.get('wgArticleId');
	var pagetitle;
	var editor;
	var EditTimeStamp;
	var parentid;

	var unsigned = {};
	var templateName = {'user': 'Unsigned', 'ipuser': 'Unsigned-IPuser2'};
	var funcs = unsigned.func = {};
	
	var parseTimestamp = (function() {
		var dateCache = {};
		var re = /(\d+)-(\d+)-(\d+)T(\d+):(\d+):(\d+)Z/;
		return function parseTimestamp(timestamp) {
			var date = dateCache[timestamp];
			if (date) return date;
			var m = re.exec(timestamp);
			if (m === null) return;
			date = dateCache[timestamp] =  new Date(Date.UTC(m[1], m[2]-1, m[3], m[4], m[5], m[6]));
			return date;
		};
	})();
	
	function formatJaString(date) {
		if (!date) return '';
		function paddingZero(str, num) {
			var l = num - (''+str).length;
			if (0 < l) str = new Array(l+1).join('0') + str;
			return str;
		}
		var day = ['日', '月', '火', '水', '木', '金', '土'];
		
		// '{year}年{month}月{date}日 ({day}) {hours}:{minutes} (UTC)'
		return '' +
			date.getUTCFullYear() + '年' +
			(date.getUTCMonth() + 1) + '月' +
			date.getUTCDate() + '日 (' +
			day[date.getUTCDay()] + ') ' +
			paddingZero(date.getUTCHours(), 2) + ':' +
			paddingZero(date.getUTCMinutes(), 2) + ' (UTC)';
	}
	
	function isIPuser(username) {
		return mw.util.isIPv4Address(username) ||
				mw.util.isIPv6Address(username);
	}
	
	function createElement(name, attr, inner) {
		if (!name) return null;
		var element = document.createElement(name);
		
		// attr
		for (key in attr) {
			if (key == 'style') {
				for (styleKey in attr[key]) {
					element[key][styleKey] = attr[key][styleKey];
				}
			} else {
				element.setAttribute(key, attr[key]);
			}
		}
		
		// inner
		if (typeof inner == 'undefined') return element;
		for (var i=0; i<inner.length; ++i) {
			if (typeof inner[i] == 'string') {
				element.appendChild(document.createTextNode(inner[i]));
			} else {
				element.appendChild(inner[i]);
			}
		}
		return element;
	}
	
	var contentSub = document.getElementById('contentSub');
	if (!contentSub ||
		!contentSub.parentNode ||
		!contentSub.parentNode.insertBefore
	) {
		return;
	}
	
	/*
	 * 
	 */
	var parts = [{ 'id' : 'sign', 'label': '署名', 'func':
	function () {
		var text = '{{';
		if (isIPuser(editor)) {
			text += templateName.ipuser;
		} else {
			text += templateName.user;
		}
		text += '|' + editor;
		var date = formatJaString(parseTimestamp(EditTimeStamp));
		text += '|' + date;
		text += '}}';
		return text;
	}}, { 'id' : 'rev', 'label': 'ISO 8601', 'func':
	function () {
		var date = EditTimeStamp;
		var text = date + 'の版番' + revisionid;
		return text;
	}}, { 'id' : 'rev_title', 'label': 'ページと固定リンク', 'func':
	function () {
		var date = formatJaString(parseTimestamp(EditTimeStamp));
		var text = '[[Special:Redirect/page/' + pageid + '|' + pagetitle + ']]の';
		text += '[[特別:固定リンク/' + revisionid + '|' + date + ']]の版';
		return text;
	}}, { 'id' : 'rev_user', 'label': '編集者と固定リンク', 'func':
	function () {
		var date = formatJaString(parseTimestamp(EditTimeStamp));
		var text = '[[特別:投稿記録/' + editor + '|' + editor + ']]';
		text += ' ([[利用者‐会話:' + editor + '|会話]]) による';
		text += '[[特別:固定リンク/' + revisionid + '|' + date + ']]の版';
		return text;
	}}, { 'id' : 'sp_diff', 'label': '差分', 'func':
	function () {
		text = '[[特別:差分';
		if (oldid && parentid != oldid) {
			text += '/' + oldid;
		}
		if (newid) {
			text += '/' + newid;
		} else {
			text += '/' + revisionid;
		}
		text += ']]';
		return text;
	}}];
		
	(function() {
		var _br = function() { return createElement('br'); };
		var _radio = function(value, checked) {
			var attr = {'type': 'radio', 'name': 'r1', 'value': value};
			if (checked) attr.checked = 'checked';
			return createElement('input', attr); };
		var _label = function(text, element) {
			var inner = (element.type == 'radio') ? [element, text] : [text, element];
			return createElement('label', {}, inner); };
		var button = createElement('button', {'type': 'button'}, ['取得']);
		var radioItems = [];
		var firstItem = true;
		for (var i = 0; i < parts.length; ++i) (function(part){
			unsigned.func[part.id] = part.func;
			radioItems.push(_label(part.label, _radio(part.id, firstItem)));
			firstItem = false;
		})(parts[i]);
		var output = createElement('input', {'type': 'text', 'size': '80'}, []);
		var outputLabel = _label('取得結果', output);
		var formItems = [button].concat(radioItems, _br(), outputLabel);
		var form = createElement('form', {'id': 'get_revision', 'class': 'noprint'}, formItems);
		
		var cacheText = {};
		function displayText() {
			if (!button.disabled) return;
			var val = checkedValue('r1');
			var text = cacheText[val];
			if (typeof text == 'undefined') {
				var func = funcs[val];
				if (typeof func == 'function') {
					cacheText[val] = text = func();
				} else {
					if (window.console) { 
						console.log('func[\'' + val + '\']: ' + func);
					}
				}
			}
			output.value = text;
			output.select();
		}
		
		function checkedValue(name) {
			var buttons = form[name];
			for (var i = 0; i < buttons.length; ++i) {
				if (buttons[i].checked) return buttons[i].value;
			}
		}
		jQuery( button ).click(function(){
			button.disabled = true;
			mw.loader.using('mediawiki.api', function() {
				new mw.Api().get({
					action: 'query',
					format: 'json',
					formatversion: 2,
					prop: 'revisions',
					rvprop: 'ids|timestamp|user',
					revids: revisionid
				}).then(function (obj) {
					pagetitle = obj.query.pages[0].title;
					editor = obj.query.pages[0].revisions[0].user;
					EditTimeStamp = obj.query.pages[0].revisions[0].timestamp;
					parentid = obj.query.pages[0].revisions[0].parentid;
					displayText();
				});
			});
		});
		for (var i =0; i < radioItems.length; ++i) (function(radio) {
			jQuery( radio ).click(function(e) {
				var src = e.target || e.srcElement;
				if (src && src.type == 'radio') displayText();
			});
		})(radioItems[i]);
		
		contentSub.parentNode.insertBefore(form, contentSub.nextSibling);
	
	})();
	
	window.unsigned = unsigned;
});