Benutzer:Schnellbehalter/unsigned.js

/* ******** unsigned.js ******** */
// 
// Usage:
// * see http://de.wikipedia.org/wiki/user_talk:lustiger_seth/unsigned.js#Benutzung
// Just put the following three lines
//   document.write('<script type="text/javascript" src="http'
//   + '://de.wikipedia.org/w/index.php?title=User:lustiger_seth/unsigned.js'
//   + '&action=raw&ctype=text/javascript&dontcountme=s"></script>');
// without the beginning "//  " to your [[Special:MyPage/monobook.js]]
//
// Description:
// * MARK SEMI-AUTOMATICALLY UNSIGNED COMMENTS ON TALK PAGES
// 
// Authors:
// * based on [[user:Olliminatore/unsigned.js]] (old and buggy version 1.3) which was based on [[:en:User:Invitatious/unsigned2.js]].
// * updated/changed by [[user:lustiger_seth|seth]]
//
// New features in this version (compared to [[user:Olliminatore/unsigned.js]]):
// * You can now choose an edit from the last 36. Used signatures will be marked. Some bugfixes, see history (here and monobook.js) and talk page.
// 
//<pre><nowiki>
// Dual-licensed under the terms of the GFDL v1.2 or the GPL v2.

if(wgNamespaceNumber>0){
	var ssubst = (typeof ssubst == 'undefined'||ssubst)? 'subst:' : '';
	var max_history_entries = (typeof max_history_entries != 'number' || max_history_entries>36 || max_history_entries<1)? 36 : max_history_entries;
	var display_used = (display_used!=0 && display_used!=1) ? 1 : display_used;
	var max_nofe = 500; // (display_used==1) ? max_history_entries : 500; // number of fetched edits

	function get_last_sunday_of_month(year, month){
		var last_sunday = -1;
		var d = new Date(year,month,22);
		for(var day=1; month==d.getUTCMonth(); ++day){
			if(d.getDay()==0) last_sunday = 22-1+day;
			d = new Date(Date.UTC(year,month,22,0,0,0)+day*24*60*60*1000);
		}
		return last_sunday;
	}

	// is_daylight_saving_time
	function is_dst(year, month, day, hours){
		var to_check = Date.UTC(year, month, day, hours, 0, 0);
		var begin_dst = Date.UTC(year, 2, get_last_sunday_of_month(year, 2), 1, 0, 0); // 2 = march
		var end_dst = Date.UTC(year, 9, get_last_sunday_of_month(year, 9), 1, 0, 0);   // 9 = october
		return (begin_dst<=to_check && to_check<end_dst);
	}

	function is_elem_of_arr(elem, arr){
		for(var i=0;i<arr.length;++i){
			if(arr[i]==elem)
				return 1;
		}
		return 0;
	}

	function get_all_sig_dates_from_textarea(){
		var sigs = new Array();
		if(document.editform){
			var txtarea = document.editform.wpTextbox1.value;
			// LOCALIZABLE STRINGS START.
			if(wgContentLanguage=='de')
				sigs = txtarea.match(/\d?\d[:.]\d\d, \d?\d\. (?:jan|feb|mär|apr|mai|jun|jul|aug|sep|okt|nov|dez)\.? 2\d{3}(?: \(CES?T\))?|2\d{3}-\d\d-\d\d[T ]?\d\d:\d\d(?:Z|[-+]\d\d:\d\d)?/gi);
			else
				sigs = txtarea.match(/\d?\d[:.]\d\d, \d?\d (?:january|february|march|april|may|june|july|august|september|october|november|december) 2\d{3}(?: \(UTC\))?|2\d{3}-\d\d-\d\d[T ]?\d\d:\d\d(?:Z|[-+]\d\d:\d\d)?/gi);
			// LOCALIZABLE STRINGS END.
		}
		return(sigs==null)? new Array() : sigs;
	}

	function sig2ms(sigs){
		var sigs_ms = new Array();
		var months = new Object();
		var re_normal;
		// LOCALIZABLE STRINGS START.
		if(wgContentLanguage=='de'){
			months["jan"] = 1;
			months["feb"] = 2;
			months["mär"] = 3;
			months["apr"] = 4;
			months["mai"] = 5;
			months["jun"] = 6;
			months["jul"] = 7;
			months["aug"] = 8;
			months["sep"] = 9;
			months["okt"] = 10;
			months["nov"] = 11;
			months["dez"] = 12;
			re_normal = /(\d?\d)[:.](\d\d), (\d?\d)\. (jan|feb|mär|apr|mai|jun|jul|aug|sep|okt|nov|dez)\.? (2\d{3})((?: \((?:UTC|CES?T)\))?)/i;
		}else{
			months["january"] = 1;
			months["february"] = 2;
			months["march"] = 3;
			months["april"] = 4;
			months["may"] = 5;
			months["june"] = 6;
			months["july"] = 7;
			months["august"] = 8;
			months["september"] = 9;
			months["october"] = 10;
			months["november"] = 11;
			months["december"] = 12;
			re_normal = /(\d?\d)[:.](\d\d), (\d?\d) (january|february|march|april|may|june|july|august|september|october|november|december) (2\d{3})((?: \(UTC\))?)/i;
		}
		// LOCALIZABLE STRINGS END.
		var re_iso = /(2\d{3})-(\d\d)-(\d\d)[T ]?(\d\d):(\d\d)((?:Z|[-+]\d\d:\d\d)?)/;
		var year, month, day, h, min, date_obj, offset;
		for(var i=0;i<sigs.length;++i){
			if(re_normal.exec(sigs[i])){
				h = RegExp.$1;
				min = RegExp.$2;
				day = RegExp.$3;
				month = RegExp.$4;
				month = months[month.toLowerCase()];
				year = RegExp.$5;
				offset = RegExp.$6;
				offset = (offset==' (CEST)')? 2 : ((offset==' (CET)')? 1 : ((offset==' (UTC)')? 0 : '?'));
			}else if(re_iso.exec(sigs[i])){
				year = RegExp.$1;
				month = RegExp.$2;
				day = RegExp.$3;
				h = RegExp.$4;
				min = RegExp.$5;
				offset = RegExp.$6;
				offset = (offset=='Z')? 0 : ((offset=='')? '?': ((offset.substr(0,1)=='-')? -1:1)*((1*offset.substr(1,2))+(offset.substr(4,2)/60)));
			}
			date_obj = new Date(year, month-1, day, h, min, 0);
			if(offset=='?'){
				sigs_ms.push(date_obj.getTime() - 1*60*60*1000);
				sigs_ms.push(date_obj.getTime() - 2*60*60*1000);
			}else
				sigs_ms.push(date_obj.getTime() - offset*60*60*1000);
		}
		return sigs_ms;
	}

	function timestamp2ms(t){
		var year = t.substring(0, 4);
		var month = t.substring(4, 6);
		var day = (t.substring(6, 8) - 0);
		var hours = parseInt(t.substring(8, 10), 10);
		var min = parseInt(t.substring(10, 12), 10);
		ms = new Date(year, month-1, day, hours, min, 0).getTime();
		return ms;
	}

	function addSigWikiCode(){
		// From revision 28011729 of [[:en:Wikipedia:WikiProject_User_scripts/Scripts/Get_tidy_title]]
		function aswcGet_tidy_title(){ // Get's the URL version of the page title.
			var editlk = document.getElementById('ca-edit').getElementsByTagName('a')[0].href;
			// cut everything up to "title=" from the start and everything past "&action=edit" from the end
			editlk = editlk.substring(editlk.indexOf('title=') + 6, editlk.lastIndexOf('&action=edit'));
			return editlk // The result from this function might be needed unescape()ed
		};
		// LOCALIZABLE STRINGS START.
		var lsMonth_names = ["January ", "February ", "March ", "April ", "May ", "June ", "July ", "August ", "September ", "October ", "November ", "December "],
		lsConflict = "Edit conflict.",
		lsDialog1 = "Please select an edit below or type '>' for older edits:\n\n",
		lsDialog2 = "Unsigned edit number:",
		lsInvalid1 = "Please enter a valid number or cancel this operation.",
		lsNoRev = "No revisions found. Does the page exist?",
		lsNoXMLHTTP = "Couldn't get XMLHTTP!",
		lsMinor = "m ";
		if(wgContentLanguage=='de'){
			lsMonth_names = ["Jan. ", "Feb. ", "Mär. ", "Apr. ", "Mai ", "Jun. ", "Jul. ", "Aug. ", "Sep. ", "Okt. ", "Nov. ", "Dez. "];
		}
		if(wgUserLanguage=='de'){
			lsConflict = "Edit-Konflikt.",
			lsDialog1 = "Bitte wähle einen Edit oder tippe '>' für ältere Edits:\n\n",
			lsDialog2 = "Unsigned Edit-Nummer:",
			lsInvalid1 = "Bitte eine gültige Zahl eintragen oder diese Operation abbrechen.",
			lsNoRev = "Keine Veränderung gefunden. Besteht die Seite?",
			lsMinor = "K ";
		}
		// LOCALIZABLE STRINGS END

		var xmlhttp = window.XMLHttpRequest ? new XMLHttpRequest() : false; // Try to use native XMLHTTP
		if(!xmlhttp && window.ActiveXObject){ // ActiveX XMLHTTP
			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
			if(!xmlhttp) xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		}

		if(!xmlhttp) return alert(lsNoXMLHTTP); // No XMLHTTP
		xmlhttp.open("GET", "/w/api.php?format=xml&action=query&prop=revisions&rvlimit=" + max_nofe + "&rvcomments&titles=" + aswcGet_tidy_title()); // Get timestamp, user, summary of last 16 edits
		var history_offset = 0;
		xmlhttp.onreadystatechange = function(){
			if(xmlhttp.readyState!=4) return;
			if(!xmlhttp) return alert("Error: "+lsNoXMLHTTP + "\n" + xmlhttp.status + ": " + xmlhttp.statusText ); // No XMLHTTP
			var xmldoc = xmlhttp.responseXML;
			// IE workaround suggested by [[User:Olliminatore]]
			if(!xmldoc.documentElement && window.ActiveXObject){ // !FIXME: IE6 can't read XML???
				document.body.style.backgroundColor = "#CCCCFF"; // Debugging aid
				xmldoc = new ActiveXObject("Microsoft.XMLDOM");
				xmldoc.async = false;
				xmldoc.loadXML(xmlhttp.responseText);
			}
			var revisions = xmldoc.documentElement.getElementsByTagName("rev"); // Get the revisions
			if(revisions.length < 1) return alert(lsNoRev); // No revisions
			var t = revisions[0].getAttribute("timestamp").replace(/[^0-9]/g, ""); // Get rid of non-numeric characters in timestamp
			if(t != document.editform.wpEdittime.value) // Detect an edit conflict
				return alert(lsConflict);
			var dialog_text;
			var edit_data = [];
			var minor;
			var is_used;
			var nos2n;   // mapping of number of signatures -> number of all entries
			var sigdates = sig2ms(get_all_sig_dates_from_textarea());
			var update_dialog_text = 1;
			while(true){
				if(update_dialog_text){
					update_dialog_text = 0;
					dialog_text = lsDialog1;
					nos2n = [];
					for(var n=history_offset; n<revisions.length; ++n){ // Extract edit data and build dialog text
						minor = (revisions[n].getAttribute("minor") != null)? lsMinor : "";
						edit_data[n] = {timestamp: revisions[n].getAttribute("timestamp").replace(/[^0-9]/g, ""),
														 user: revisions[n].getAttribute("user"),
														 comment: revisions[n].getAttribute("comment")};
						is_used = (is_elem_of_arr(timestamp2ms(edit_data[n].timestamp), sigdates)) ? '(used) ' : '';
						if(is_used == '' || display_used==1){
							nos2n.push(n);
							dialog_text += ("[" + (nos2n.length-1).toString(max_history_entries).toUpperCase() + "] " + edit_data[n].timestamp.replace(/(\d{4})(\d{2})(\d{2})(\d{2})(\d{2})(\d{2})/g, "$1-$2-$3 $4:$5:$6") + " " + is_used +
						 edit_data[n].user + ": " + minor + ((edit_data[n].comment == null)? "–": edit_data[n].comment)).substring(0, 80) + "\n";
						}
						if(nos2n.length==max_history_entries) break;
					}
				}
				if(edit_data.length == 1) var unsigned_edit_choice = 0; // no choice
				else if(is_gecko) // for Mozilla, def in wikibits.js
					var unsigned_edit_choice = prompt(dialog_text + "\n" + lsDialog2, "0");
				else{ // for IE or other
					alert(dialog_text);
					var unsigned_edit_choice = prompt(lsDialog2, "0");
				}
				if(unsigned_edit_choice == null){
					return; // Cancel button
				}else if(unsigned_edit_choice == '>'){
					history_offset = Math.min(revisions.length-1, nos2n[nos2n.length-1]);
					update_dialog_text = 1;
					continue;
				}else if(unsigned_edit_choice == '<'){
					history_offset = Math.max(0, history_offset-max_history_entries); // actually that's not correct, but it should be sufficient
					update_dialog_text = 1;
					continue;
				}else if(isNaN(unsigned_edit_choice = parseInt(unsigned_edit_choice, max_history_entries))){
					return alert(lsInvalid1); // Non-numeric input
				}	else{
					var unsigned_edit = edit_data[nos2n[unsigned_edit_choice]];
				}
				t = unsigned_edit.timestamp; // So the full name doesn't have to be used

				var year = t.substring(0, 4);
				var month = t.substring(4, 6);
				var day = (t.substring(6, 8) - 0);
				var hours = parseInt(t.substring(8, 10), 10);
				var tzcode = 'UTC'; //  The data returned by app.php is UTC
				// LOCALIZABLE STRINGS START
				if(wgContentLanguage=='de'){
					// add timezone offset
					var time_offset = (is_dst(year, month-1, day, hours)) ? 2 : 1; // daylight saving time (true, false)
				// LOCALIZABLE STRINGS END
					tzcode = (time_offset == 2)? 'CEST' : 'CET';
					// get UTC time in msec
					nd = new Date(year, month-1, day, hours).getTime();
					// create new Date object for different
					// using timezone offset
					nd = new Date(nd + 3600000*time_offset);
					year = nd.getFullYear();
					month = 1+nd.getMonth();
					day = nd.getDate();
					hours = nd.getHours();
					day = ''+day+'.';
				}
				if(hours<10) hours = '0'+hours;

				insertTags("{{"+ssubst+"unsigned|" + unsigned_edit.user + "|" + hours + ":" + t.substring(10, 12) + ", " + day + " " + lsMonth_names[month - 1] + year + " (" + tzcode + ")|ALT=nicht}}", "", ""); // format and insert the tag.

				return;
			}
		};
		xmlhttp.send(null);
	};

	addOnloadHook(function(){ // put onload in wikibits.js
		var unsigned_title = 'Unsigned';
		var unsigned_tooltip = 'add a missing signature';
		if(wgUserLanguage=='de'){
			unsigned_title = 'Unsigniert';
			unsigned_tooltip = 'Trage eine fehlende Signatur nach.';
		}
		if(!wgIsArticle)
			mw.util.addPortletLink('p-cactions', "javascript:addSigWikiCode();", /* LOCALIZABLE STRINGS START */ unsigned_title , "ca-unsigned", unsigned_tooltip, "" /* LOCALIZABLE STRINGS END */);
	});
}
//</nowiki></pre>