User:Kri/HAPPI.js

/*******************************************************************************             **   **      **      ******    ******    ****                                   **   **    **  **    **   **   **   **    **                                    **   **   **    **   **   **   **   **    **                                    *******   ********   ******    ******     **                                    **   **   **    **   **        **         **                                    **   **   **    **   **        **         **                                    **   **   **    **   **        **        ****                     This gadget was developed by the Grouplens Research lab (http://grouplens.org) to be used in the English Wikipedia. See http://en.wikipedia.org/wiki/User:EpochFail/HAPPI for documentation and installation instructions. Any questions or concerns should be directed to User:EpochFail.
 * HAPPI A Persistence Presenting Interface************************
 * HAPPI A Persistence Presenting Interface************************

HAPPI_L = { language_abbreviation: "en", user_namespace: "User", IE: "IE", IE_unsupported_header: "Internet Explorer Unsupported", IE_unsupported: 'At this time, HAPPI ' + 'does not support Internet Explorer due to circumstances ' + 'out of the developers\' control. If you are interested ' + 'in upgrading, HAPPI does support almost all other browsers.', server_timeout: "The Grouplens servers took too long to respond. They may be down or overloaded.", server_waiting_1: "Cached version found with ", server_waiting_2: " revisions to process. Retrieving...", server_waiting_long_1: "The Grouplens server has ", server_waiting_long_2: " revisions to process. This could take a long time, but will be ready for you next time.", server_too_long: "The Grouplens servers took too long to respond. They may be down, overloaded or there are just too many revisions to process.", building_wp: "Building word persistence...", building_wp_exp: "constructing a list of persistent words...", established: "established", novel: "novel", word_trustworthiness: "Word Trustworthiness", added_during_session: "added during this session", word_first_noticed: "word first noticed ", revisions_back: " revisions back", added_by: "added by ", novel_words_colored: "Novel words colored", established_words_colored: "Established words colored", truthiness_words_colored: "Quality words colored", established_help: 'When HAPPI is toggled on, you should see the words that ' + 'existed in the article before you started editing highlighted ' + 'in various shades of red. ' + 			 'The darker the red shading, the more revisions a word has ' + 'survived. Your additions to the article should show up in ' + ' blue. Due to some of the ' + 'limitations of javascript and the way HAPPI performs ' + 'highlighting, toggling established words off and back on may ' + 'be required to highlight your added words properly.', novel_help: 'When HAPPI is toggled on, you should see the words that ' + 'existed in the article before you started editing highlighted ' + 'in various shades of green. ' + 		   'The darker the green shading, the more recently a word has been ' + 'added. Your additions to the article should show up in ' + ' blue. Due to some of the ' + 'limitations of javascript and the way HAPPI performs ' + 'highlighting, toggling novel words off and back on may ' + 'be required to highlight your added words properly.', truthiness_help: 'When HAPPI is toggled on, you should see the words that ' + 'existed in the article before you started editing highlighted ' + 'in various shades of red. ' + 			 'The darker the red shading, the lower the trustworthiness of the content. ' + 			 'Your additions to the article should show up in ' + ' blue. Due to some of the ' + 'limitations of javascript and the way HAPPI performs ' + 'highlighting, toggling word quality off and back on may ' + 'be required to highlight your added words properly.', word_persistence: "Word Persistence" };

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/** * jQuery Cookie plugin * * Copyright (c) 2006 Klaus Hartl (stilbuero.de) * Dual licensed under the MIT and GPL licenses: * http://www.opensource.org/licenses/mit-license.php * http://www.gnu.org/licenses/gpl.html * */ jQuery.cookie=function(a,b,c){if(typeof b!='undefined'){c=c||{};if(b===null){b=;c.expires=-1}var d=;if(c.expires&&(typeof c.expires=='number'||c.expires.toUTCString)){var e;if(typeof c.expires=='number'){e=new Date;e.setTime(e.getTime+(c.expires*24*60*60*1000))}else{e=c.expires}d='; expires='+e.toUTCString}var f=c.path?'; path='+(c.path):;var g=c.domain?'; domain='+(c.domain):;var h=c.secure?'; secure':;document.cookie=[a,'=',encodeURIComponent(b),d,f,g,h].join()}else{var j=null;if(document.cookie&&document.cookie!=''){var k=document.cookie.split(';');for(var i=0;i<k.length;i++){var l=jQuery.trim(k[i]);if(l.substring(0,a.length+1)==(a+'=')){j=decodeURIComponent(l.substring(a.length+1));break}}}return j}}; /** * Wikipedia API Handler * * A simple object for interacting with Wikipedia's API. */ var WPAPIHandler = function{ }

WPAPIHandler.timeoutSeconds = 25 if(wgServer && wgScriptPath){ WPAPIHandler.url = mw.config.get('wgServer') + mw.config.get('wgScriptPath') + "/api.php"; }	else{ WPAPIHandler.url = "http://en.wikipedia.org/w/api.php"; }	/**	 * Perform Request *	 * Performs a GET request to the Wikipedia API *	 * @param params      object    A map of query variables to be attached to the request URL * @param successFun  function  A function to be called after the request successfully completes * @param args        object    A map of variables to be carried along with the request * @param errorFun    function  A function to be called should any error occur while the request is being made. */	WPAPIHandler.performGET = function(params, successFun, args, errorFun){ this.performRequest(params, successFun, args, errorFun, "GET") }	/**	 * Perform POST *	 * Performs a POST request to the Wikipedia API *	 * @param params      object    A map of post variables to be attached to the request URL * @param successFun  function  A function to be called after the request successfully completes * @param args        object    A map of variables to be carried along with the request * @param errorFun    function  A function to be called should any error occur while the request is being made. */	WPAPIHandler.performPOST = function(params, successFun, args, errorFun){ this.performRequest(params, successFun, args, errorFun, "POST") }	/**	 * Perform Request *	 * Performs a request to the Wikipedia API *	 * @param params      object    A map of query variables to be attached to the request URL * @param successFun  function  A function to be called after the request successfully completes * @param args        object    A map of variables to be carried along with the request * @param errorFun    function  A function to be called should any error occur while the request is being made. * @param type        string    The type of request to make (i.e. "POST" or "GET") */	WPAPIHandler.performRequest = function(params, successFun, args, errorFun, type){ var handleResponse = function(json, textStatus){ if(textStatus == "success"){ successFun(json, args) }			else{ errorFun(textStatus) }		}		if(type == "POST"){ $.post(this.url, params, handleResponse, "json") }		else{ $.get(this.url, params, handleResponse, "json") }	}	WPAPIHandler.objectToString = function(obj, nesting){ nesting = nesting || 0 str = "" for(thing in obj){ for(var i=0;i>>(32-iShiftBits)); }	function AddUnsigned(lX,lY) { var lX4,lY4,lX8,lY8,lResult; lX8 = (lX & 0x80000000); lY8 = (lY & 0x80000000); lX4 = (lX & 0x40000000); lY4 = (lY & 0x40000000); lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF); if (lX4 & lY4) { return (lResult ^ 0x80000000 ^ lX8 ^ lY8); }		if (lX4 | lY4) { if (lResult & 0x40000000) { return (lResult ^ 0xC0000000 ^ lX8 ^ lY8); } else { return (lResult ^ 0x40000000 ^ lX8 ^ lY8); }		} else { return (lResult ^ lX8 ^ lY8); } 	} 	function F(x,y,z) { return (x & y) | ((~x) & z); } function G(x,y,z) { return (x & z) | (y & (~z)); } function H(x,y,z) { return (x ^ y ^ z); } function I(x,y,z) { return (y ^ (x | (~z))); } function FF(a,b,c,d,x,s,ac) { a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac)); return AddUnsigned(RotateLeft(a, s), b); };	function GG(a,b,c,d,x,s,ac) { a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac)); return AddUnsigned(RotateLeft(a, s), b); };	function HH(a,b,c,d,x,s,ac) { a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac)); return AddUnsigned(RotateLeft(a, s), b); };	function II(a,b,c,d,x,s,ac) { a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac)); return AddUnsigned(RotateLeft(a, s), b); };	function ConvertToWordArray(string) { var lWordCount; var lMessageLength = string.length; var lNumberOfWords_temp1=lMessageLength + 8; var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64; var lNumberOfWords = (lNumberOfWords_temp2+1)*16; var lWordArray=Array(lNumberOfWords-1); var lBytePosition = 0; var lByteCount = 0; while ( lByteCount < lMessageLength ) { lWordCount = (lByteCount-(lByteCount % 4))/4; lBytePosition = (lByteCount % 4)*8; lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<>>29; return lWordArray; };	function WordToHex(lValue) { var WordToHexValue="",WordToHexValue_temp="",lByte,lCount; for (lCount = 0;lCount<=3;lCount++) { lByte = (lValue>>>(lCount*8)) & 255; WordToHexValue_temp = "0" + lByte.toString(16); WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2); }		return WordToHexValue; };	function Utf8Encode(string) { string = string.replace(/\r\n/g,"\n"); var utftext = ""; for (var n = 0; n < string.length; n++) { var c = string.charCodeAt(n); if (c < 128) { utftext += String.fromCharCode(c); }			else if((c > 127) && (c < 2048)) { utftext += String.fromCharCode((c >> 6) | 192); utftext += String.fromCharCode((c & 63) | 128); }			else { utftext += String.fromCharCode((c >> 12) | 224); utftext += String.fromCharCode(((c >> 6) & 63) | 128); utftext += String.fromCharCode((c & 63) | 128); }		}		return utftext; };	var x=Array; var k,AA,BB,CC,DD,a,b,c,d; var S11=7, S12=12, S13=17, S14=22; var S21=5, S22=9, S23=14, S24=20; var S31=4, S32=11, S33=16, S34=23; var S41=6, S42=10, S43=15, S44=21; string = Utf8Encode(string); x = ConvertToWordArray(string); a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476; for (k=0;k<x.length;k+=16) { AA=a; BB=b; CC=c; DD=d; a=FF(a,b,c,d,x[k+0], S11,0xD76AA478); d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756); c=FF(c,d,a,b,x[k+2], S13,0x242070DB); b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE); a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF); d=FF(d,a,b,c,x[k+5], S12,0x4787C62A); c=FF(c,d,a,b,x[k+6], S13,0xA8304613); b=FF(b,c,d,a,x[k+7], S14,0xFD469501); a=FF(a,b,c,d,x[k+8], S11,0x698098D8); d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF); c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1); b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE); a=FF(a,b,c,d,x[k+12],S11,0x6B901122); d=FF(d,a,b,c,x[k+13],S12,0xFD987193); c=FF(c,d,a,b,x[k+14],S13,0xA679438E); b=FF(b,c,d,a,x[k+15],S14,0x49B40821); a=GG(a,b,c,d,x[k+1], S21,0xF61E2562); d=GG(d,a,b,c,x[k+6], S22,0xC040B340); c=GG(c,d,a,b,x[k+11],S23,0x265E5A51); b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA); a=GG(a,b,c,d,x[k+5], S21,0xD62F105D); d=GG(d,a,b,c,x[k+10],S22,0x2441453); c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681); b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8); a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6); d=GG(d,a,b,c,x[k+14],S22,0xC33707D6); c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87); b=GG(b,c,d,a,x[k+8], S24,0x455A14ED); a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905); d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8); c=GG(c,d,a,b,x[k+7], S23,0x676F02D9); b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A); a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942); d=HH(d,a,b,c,x[k+8], S32,0x8771F681); c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122); b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C); a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44); d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9); c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60); b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70); a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6); d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA); c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085); b=HH(b,c,d,a,x[k+6], S34,0x4881D05); a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039); d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5); c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8); b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665); a=II(a,b,c,d,x[k+0], S41,0xF4292244); d=II(d,a,b,c,x[k+7], S42,0x432AFF97); c=II(c,d,a,b,x[k+14],S43,0xAB9423A7); b=II(b,c,d,a,x[k+5], S44,0xFC93A039); a=II(a,b,c,d,x[k+12],S41,0x655B59C3); d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92); c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D); b=II(b,c,d,a,x[k+1], S44,0x85845DD1); a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F); d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0); c=II(c,d,a,b,x[k+6], S43,0xA3014314); b=II(b,c,d,a,x[k+13],S44,0x4E0811A1); a=II(a,b,c,d,x[k+4], S41,0xF7537E82); d=II(d,a,b,c,x[k+11],S42,0xBD3AF235); c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB); b=II(b,c,d,a,x[k+9], S44,0xEB86D391); a=AddUnsigned(a,AA); b=AddUnsigned(b,BB); c=AddUnsigned(c,CC); d=AddUnsigned(d,DD); }	var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d); return temp.toLowerCase; }
 * MD5 (Message-Digest Algorithm)
 * http://www.webtoolkit.info/
 * http://www.webtoolkit.info/

/** function CRC32(str) { /*function Utf8Encode(string) { string = string.replace(/\r\n/g,"\n") var utftext = "" for (var n = 0; n < string.length; n++) { var c = string.charCodeAt(n) if (c < 128) { utftext += String.fromCharCode(c) }			else if((c > 127) && (c < 2048)) { utftext += String.fromCharCode((c >> 6) | 192) utftext += String.fromCharCode((c & 63) | 128) }			else { utftext += String.fromCharCode((c >> 12) | 224) utftext += String.fromCharCode(((c >> 6) & 63) | 128) utftext += String.fromCharCode((c & 63) | 128) }		}		return utftext };*/	str = escape(str) var table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var crc = crc || 0 var x = 0 var y = 0 crc = crc ^ (-1) for( var i = 0, iTop = str.length; i < iTop; i++ ) { y = ( crc ^ str.charCodeAt( i ) ) & 0xFF x = "0x" + table.substr( y * 9, 8 ) crc = ( crc >>> 8 ) ^ x	} return crc ^ (-1)
 * Javascript crc32
 * http://www.webtoolkit.info/
 * http://www.webtoolkit.info/

}

String.prototype.trim = function{return this.replace(/^\s+|\s+$/, '')}

Diff = function(oldWords, newWords){ if(typeof(oldWords)=="object" && oldWords.length != undefined){ this.oldWords = oldWords }	else{ this.oldWords = Diff.splitText(oldWords) }	if(typeof(newWords)=="object" && newWords.length != undefined){ this.newWords = newWords }	else{ this.newWords = Diff.splitText(newWords) }	this.newToOld = [] this.oldToNew = [] this.message = "" Diff.diffText(this) }	/**	 * Get Instructions *	 */	Diff.prototype.getInstructions = function{ var instructionList = [] var o2ni = 0 var n2oi = 0 var newWordCount = 0 while(true){ if(typeof(this.oldToNew[o2ni]) == "undefined" && o2ni < this.oldWords.length){ //Word removed instructionList.push({"code": "remove", "i": o2ni}) o2ni++ }			else if(typeof(this.newToOld[n2oi]) == "undefined" && n2oi < this.newWords.length){ //Word added instructionList.push({"code": "insert", "i": n2oi}) newWordCount++ n2oi++ }			else if(newWordCount < this.newWords.length){ //Word kept instructionList.push({"code": "keep", "i": this.newToOld[n2oi]}) newWordCount++ o2ni++ n2oi++ }			else{ break }		}		return instructionList }	/**	 * Split Text (better but slower) * 	 * Splits text into words. (Note: a chunks of whitespace will be 	 * considered words) */	Diff.splitText = function(text){ // convert strange spaces //text = text.replace(/[\u000b\u00a0\u2028\u2029]+/g, ' ') var pattern = /[\w]+|\[\[|\]\]|\{\{|\}\}|\n+| +|&\w+;|'||=+|\{\||\|\}|\|\-|./gi var words = [] var result do { result = pattern.exec(text) if (result != null) { words.push(result[0]) }		} while (result != null) return words }	/**	 * Split Text (shitty but fast) * 	 * Splits text into words. (Note: a chunks of whitespace will be 	 * considered words) *	Diff.splitText = function(text){ // convert strange spaces text = text.replace(/[\t\u000b\u00a0\u2028\u2029]+/g, ' ') return text.split(/\b/g) }*/	/**	 * Diff Words *	 * Performs a diff over an old and new word list recursively. (Only the	 * first two parameters are needed to call this function. The rest are 	 * for memoization.	 */	Diff.diffText = function(text, newStart, newEnd, oldStart, oldEnd, recursionLevel) {		var symbol = new Object;		symbol.newCtr = []		symbol.oldCtr = []		symbol.toNew = []		symbol.toOld = []		var wDiffRecursiveDiff = true		// set defaults		newStart = newStart || 0		newEnd = newEnd || text.newWords.length		oldStart = oldStart || 0		oldEnd = oldEnd || text.oldWords.length		recursionLevel = recursionLevel || 0		// limit recursion depth		if (recursionLevel > 10) {			return text		}		// pass 1: parse new text into symbol table s		var word;		for (var i = newStart; i < newEnd; i ++) {			word = text.newWords[i]		// add new entry to symbol table			if ( symbol[word] == null) {				symbol[word] = { newCtr: 0, oldCtr: 0, toNew: null, toOld: null };			}		// increment symbol table word counter for new text symbol[word].newCtr ++ // add last word number in new text symbol[word].toNew = i		} // pass 2: parse old text into symbol table for (var j = oldStart; j < oldEnd; j ++) { word = text.oldWords[j] // add new entry to symbol table if ( symbol[word] == null) { symbol[word] = { newCtr: 0, oldCtr: 0, toNew: null, toOld: null } }		// increment symbol table word counter for old text symbol[word].oldCtr++ // add last word number in old text symbol[word].toOld = j		} // pass 3: connect unique words for (var i in symbol) { // find words in the symbol table that occur only once in both versions if ( (symbol[i].newCtr == 1) && (symbol[i].oldCtr == 1) ) { var toNew = symbol[i].toNew var toOld = symbol[i].toOld // do not use spaces as unique markers if ( ! /\s/.test( text.newWords[toNew] ) ) { // connect from new to old and from old to new text.newToOld[toNew] = toOld text.oldToNew[toOld] = toNew }			}		}		// pass 4: connect adjacent identical words downwards for (var i = newStart; i < newEnd - 1; i ++) { // find already connected pairs if (text.newToOld[i] != null) { j = text.newToOld[i] // check if the following words are not yet connected if ( (text.newToOld[i + 1] == null) && (text.oldToNew[j + 1] == null) ) { // if the following words are the same connect them if ( text.newWords[i + 1] == text.oldWords[j + 1] ) { text.newToOld[i + 1] = j + 1 text.oldToNew[j + 1] = i + 1 }				}			}		}		// pass 5: connect adjacent identical words upwards for (var i = newEnd - 1; i > newStart; i --) { // find already connected pairs if (text.newToOld[i] != null) { j = text.newToOld[i] // check if the preceeding words are not yet connected if ( (text.newToOld[i - 1] == null) && (text.oldToNew[j - 1] == null) ) { // if the preceeding words are the same connect them if ( text.newWords[i - 1] == text.oldWords[j - 1] ) { text.newToOld[i - 1] = j - 1 text.oldToNew[j - 1] = i - 1 }				}			}		}		// recursively diff still unresolved regions downwards if (wDiffRecursiveDiff) { i = newStart j = oldStart while (i < newEnd) { if (text.newToOld[i - 1] != null) { j = text.newToOld[i - 1] + 1 }		// check for the start of an unresolved sequence if ( (text.newToOld[i] == null) && (text.oldToNew[j] == null) ) { // determine the ends of the sequences var iStart = i					var iEnd = i					while ( (text.newToOld[iEnd] == null) && (iEnd < newEnd) ) { iEnd++ }					var iLength = iEnd - iStart var jStart = j					var jEnd = j					while ( (text.oldToNew[jEnd] == null) && (jEnd < oldEnd) ) { jEnd ++; }					var jLength = jEnd - jStart // recursively diff the unresolved sequence if ( (iLength > 0) && (jLength > 0) ) { if ( (iLength > 1) || (jLength > 1) ) { if ( (iStart != newStart) || (iEnd != newEnd) || (jStart != oldStart) || (jEnd != oldEnd) ) { this.diffText(text, iStart, iEnd, jStart, jEnd, recursionLevel + 1) }						}					}					i = iEnd }				else { i ++ }			}		}		// recursively diff still unresolved regions upwards if (wDiffRecursiveDiff) { i = newEnd - 1 j = oldEnd - 1 while (i >= newStart) { if (text.newToOld[i + 1] != null) { j = text.newToOld[i + 1] - 1 }		// check for the start of an unresolved sequence if ( (text.newToOld[i] == null) && (text.oldToNew[j] == null) ) { // determine the ends of the sequences var iStart = i					var iEnd = i + 1 while ( (text.newToOld[iStart - 1] == null) && (iStart >= newStart) ) { iStart -- }					var iLength = iEnd - iStart var jStart = j					var jEnd = j + 1 while ( (text.oldToNew[jStart - 1] == null) && (jStart >= oldStart) ) { jStart -- }					var jLength = jEnd - jStart // recursively diff the unresolved sequence if ( (iLength > 0) && (jLength > 0) ) { if ( (iLength > 1) || (jLength > 1) ) { if ( (iStart != newStart) || (iEnd != newEnd) || (jStart != oldStart) || (jEnd != oldEnd) ) { this.diffText(text, iStart, iEnd, jStart, jEnd, recursionLevel + 1) }						}					}					i = iStart - 1 }				else { i-- }			}		}		return text }	/**	 * WDiffDetectBlocks * 	 * Detect block borders and moved blocks. I really have no idea what * this does or how it does it. Horray for giant blocks of mystery * code! */	Diff.detectBlocks = function(text) { var block = {} block.oldStart = [] block.oldToNew = [] block.oldLength = [] block.oldWords = [] block.newStart = [] block.newLength = [] block.newWords = [] block.newNumber = [] block.newBlock = [] block.newLeft  = [] block.newRight = [] block.newLeftIndex = [] block.newRightIndex = [] var blockNumber = 0 var wordCounter = 0 var realWordCounter = 0 var wDiffShowBlockMoves = true // get old text block order if (wDiffShowBlockMoves) { var j = 0 var i = 0 do { // detect block boundaries on old text if ( (text.oldToNew[j] != i) || (blockNumber == 0 ) ) { if ( ( (text.oldToNew[j] != null) || (j >= text.oldWords.length) ) && ( (text.newToOld[i] != null) || (i >= text.newWords.length) ) ) { if (blockNumber > 0) { block.oldLength[blockNumber - 1] = wordCounter block.oldWords[blockNumber - 1] = realWordCounter wordCounter = 0 realWordCounter = 0 }						if (j >= text.oldWords.length) { j ++ }						else { i = text.oldToNew[j] block.oldStart[blockNumber] = j							block.oldToNew[blockNumber] = text.oldToNew[j] blockNumber ++ }					}				}		// jump over identical pairs while ( (i < text.newWords.length) && (j < text.oldWords.length) ) { if ( (text.newToOld[i] == null) || (text.oldToNew[j] == null) ) { break }					if (text.oldToNew[j] != i) { break }					i ++ j ++ wordCounter ++ if ( /\w/.test( text.newWords[i] ) ) { realWordCounter ++ }				}		// jump over consecutive deletions while ( (text.oldToNew[j] == null) && (j < text.oldWords.length) ) { j ++ }		// jump over consecutive inserts while ( (text.newToOld[i] == null) && (i < text.newWords.length) ) { i ++ }			} while (j <= text.oldWords.length) // get the block order in the new text var lastMin var currMinIndex lastMin = null // sort the data by increasing start numbers into new text block info for (var i = 0; i < blockNumber; i ++) { currMin = null for (var j = 0; j < blockNumber; j ++) { curr = block.oldToNew[j] if ( (curr > lastMin) || (lastMin == null) ) { if ( (curr < currMin) || (currMin == null) ) { currMin = curr currMinIndex = j						} }				}				block.newStart[i] = block.oldToNew[currMinIndex] block.newLength[i] = block.oldLength[currMinIndex] block.newWords[i] = block.oldWords[currMinIndex] block.newNumber[i] = currMinIndex lastMin = currMin }		// detect not moved blocks for (var i = 0; i < blockNumber; i ++) { if (block.newBlock[i] == null) { if (block.newNumber[i] == i) { block.newBlock[i] = 0 }				}			}		// detect switches of neighbouring blocks for (var i = 0; i < blockNumber - 1; i ++) { if ( (block.newBlock[i] == null) && (block.newBlock[i + 1] == null) ) { if (block.newNumber[i] - block.newNumber[i + 1] == 1) { if ( (block.newNumber[i + 1] - block.newNumber[i + 2] != 1) || (i + 2 >= blockNumber) ) { // the shorter one is declared the moved one if (block.newLength[i] < block.newLength[i + 1]) { block.newBlock[i] = 1 block.newBlock[i + 1] = 0 }							else { block.newBlock[i] = 0 block.newBlock[i + 1] = 1 }						}					}				}			}		// mark all others as moved and number the moved blocks j = 1 for (var i = 0; i < blockNumber; i ++) { if ( (block.newBlock[i] == null) || (block.newBlock[i] == 1) ) { block.newBlock[i] = j++ }			}		// check if a block has been moved from this block border for (var i = 0; i < blockNumber; i ++) { for (var j = 0; j < blockNumber; j ++) { if (block.newNumber[j] == i) { if (block.newBlock[j] > 0) { // block moved right if (block.newNumber[j] < j) { block.newRight[i] = block.newBlock[j] block.newRightIndex[i] = j							} // block moved left else { block.newLeft[i + 1] = block.newBlock[j] block.newLeftIndex[i + 1] = j							} }					}				}			}		}		text.block = block return text }

/** * List Dictionary * * Represents a limited size dictionary. When the dictionary is full and * another item is added to it, the oldest item in the dictionary is thrown * away. */ var ListDict = function(limit){ this.limit = limit this.map  = {} this.queue = new Queue(limit) }	/**	 * Find *	 * Attempts to search the dictionary based on a provided key. If a * value exists for the given key, it is returned. If a value does not * exist, "undefined" is returned. *	 * @param key  string  The key *	 * @return object or undefined */	ListDict.prototype.find = function(key){ if(this.map[key]){ return this.map[key][0] }		else{ return undefined }	}	/**	 * Insert *	 * Inserts a new key-value pair into the Dictionary *	 * @param key   string  A key * @param value object  A value */	ListDict.prototype.insert = function(key, value){ //The queue will return something interesting if it is full expectorate = this.queue.insert({"key": key, "value": value}) if(expectorate){ //Something got spit out of the queue //Take it out of the map this.map[expectorate.key].pop //expectorate.value.list }		if(this.map[key]){ this.map[key].unshift(value) }		else{ this.map[key] = [value] }	}

/** * Word * * Represents a word and the information attached to (such as its author and * the number of revisions it has survived. * * @param  content   string  The actual text of the word * @param  username  string  The username of the user who added the word. */ var Word = function(content, username){	this.content      = content	this.username     = username	this.revsVisible  = 0 }	/**	 * Increment	 *	 * Increments the number of revisions this word has survived.	 */	Word.prototype.increment = function(amount){		if(!amount){			amount = 1		}		this.revsVisible += amount	}

/** * Word List * * This object manages a list of Words and uses diff information to * appropriately modify itself. */ var WordList = function(list){ this.list = list || [] }	/**	 * Increment *	 * Increments each word contained in the list at the time. */	WordList.prototype.increment = function(amount){ for(var i=0;i<this.list.length;i++){ this.list[i].increment(amount) }	}	/**	 * Apply Diff *	 * Uses a diff object (the result of a comparison between to revisions) * to construct a new WordList and returns the new WordList. *	 * @param diff    Diff result  The result of doing a diff between two revisions * @param newRev  Revision     The revision object of the new text from *                             the diff. This is used to create new *                             Word objects for the word list. *	 * @return a new WordList */	WordList.prototype.applyDiff = function(diff, newRev){ var newList = [] var instructions = diff.getInstructions for(var i in instructions){ var instruction = instructions[i] switch(instruction.code){ case "insert": newList.push(new Word(diff.newWords[instruction.i], newRev.user)) break case "keep": newList.push(this.list[instruction.i]) break /*					case "remove": for(var j=aStart;j<aEnd;j++){ newList.push(this.list[j]) }					break*/ }		}		return new WordList(newList) }	/**	 * Get Words * 	 */	WordList.prototype.getWords = function{ words = [] for(var i=0;i') this.wrapper.addClass("progressBar") this.wrapper.appendTo($('body')) this.nameWrapper = $(' ' + name + ' ') this.nameWrapper.attr("title", description) this.wrapper.append(this.nameWrapper) this.status = $(' ') this.wrapper.append(this.status) this.barContainer = $(' ') this.barContainer.addClass("barContainer") this.wrapper.append(this.barContainer) this.description = $(' ') this.barContainer.append(this.description) if(description.length > 100){ this.description.html(description.substring(0,100) + "...") }else{ this.description.html(description) }	this.description.attr("title", description) //Make in the center of the container this.wrapper.css(		"top",		container.position.top +		( (				container.height-				this.wrapper.height			)/2 )	)	this.wrapper.css(		"left",		container.position.left +		( (				container.width-				this.wrapper.width			)/2 )	) }

ProgressBar.prototype.setBars = function(bars){ //this.barContainer.children.remove this.barWidth = this.barContainer.innerWidth/bars - 1 this.barsLeft = bars }

ProgressBar.prototype.addBar = function{ var bar = $(' ') bar.css("width", this.barWidth + "px") this.barContainer.append(bar) this.barsLeft-- if(this.barsLeft == 0){ this.complete }	}

ProgressBar.prototype.setStatus = function(message){ this.status.append(' ' + message + ' ') }	ProgressBar.prototype.complete = function{ this.description.html("") this.barContainer.html("Task complete!") this.wrapper.fadeOut(3000) }

/** * (Sized) Queue * * This object is represents a sized "circular" queue. It is intended to be * used to keep a limited history of what has been inserted into it. * * @param size  int  This parameter is required. It specifies the size of the *                   queue, i.e. the perimeter of the circle. */ var Queue = function(size){ this.circle = new Array this.size   = size this.counter = 0 }	/**	 * Insert *	 * Inserts a new object into the queue. The return value depends on the * state of the queue. If the queue is full, the value returned will be * the object that falls off of the end of the queue. If the queue is * not full, this method will return "undefined". *	 * @param newObj  object  This will be added to the front of the queue * 	 * @return object or "undefined" */	Queue.prototype.insert = function(newObj){ oldObj = this.circle[this.counter % this.size] this.circle[this.counter % this.size] = newObj this.counter++ return oldObj }	/**	 * Get *	 * Gets a value from the queue. This method will return undefined if * an out of bounds index is requested. (This is dumb, but it is the 	 * javascript way.) *	 * @param index  int  The index of the element to retrieve *	 * @return object or "undefined" */	Queue.prototype.get = function(index){ if(index > 0 && index < this.size){ return this.circle[(this.counter+index) % this.size] }		else{ return undefined }	}

/** * Persistence Manager * **/ PersistenceManager = { memoize: {} }

PersistenceManager.getWordListFromServer = function(pageId, revisionId, data, onsuccess, onerror, options, progress){ progress.setStatus("Asking Grouplens server for cached persistence") var params = { rev_id: revisionId, page_id: pageId }		if(options.sections){ params['section'] = options.section }		function handleResult(status, data, result){ var pageId    = data.args.pageId var revisionId = data.args.revisionId var onsuccess = data.args.onsuccess var onerror   = data.args.onerror var options   = data.args.options var progress  = data.args.progress var data      = data.args.data if(status != "success"){ progress.setStatus("Grouplens servers failed to return a proper response.") PersistenceManager.getWordListLocally(pageId, revisionId, data, onsuccess, onerror, options, progress) }			else{ if(!result.success){ function printObj(obj){ retstr = "" for(var i in obj){ retstr += i + ": " + obj[i] + ", " }						return retstr }					if(result.error){ progress.setStatus("Error: " + result.error.code + ": " + result.error.message) }					PersistenceManager.getWordListLocally(pageId, revisionId, data, onsuccess, onerror, options, progress) }else{ progress.setBars(1) progress.addBar var wordList = new WordList(result.success) if(options.section){ onsuccess(PersistenceManager.extractSection(wordList, options.section)) }else{ onsuccess(wordList) }				}			}		}		request = new ScriptHttpRequest(			"http://wikipedia.grouplens.org/HAPPI/words.js",			params,			handleResult,			{				args: {					pageId: pageId,					revisionId: revisionId,					data: data,					onsuccess: onsuccess,					onerror: onerror,					options: options,					progress: progress				}			}		) request.setTimeout(10) request.send }	PersistenceManager.getWordListLocally = function(pageId, revisionId, data, onsuccess, onerror, options, progress){ if(HAPPI.wikEditor.getText.length > 12000){ PersistenceManager.getWordListLogarithmically(pageId, revisionId, data, onsuccess, onerror, options, progress) }else{ PersistenceManager.getWordListLinearly(pageId, revisionId, data, onsuccess, onerror, options, progress) }	}	/**	 * Get Word List Linearly (Slower - More Accurate) *	 * Builds a persistent WordList using the Wikipedia API and forwards * that list to the provided onsuccess function. If an error occurs * while building the persistent WordList, onerror will be called. *	 * @param pageTitle      string    The title of the page to build the persistent WordList for * @param onsuccess      function  A function to be called with the persistent WordList * @param onerror        function  A function that accepts visible and logging error messages in case an error occurs * @param startingRevId  int       (Optional) a revision_id at which to stop building the WordList */	PersistenceManager.getWordListLinearly = function(pageId, revisionId, data, onsuccess, onerror, options, progress){ progress.setStatus("Asking Wikipedia's API for previous revisions linearly") var params = { "action":   "query", "prop":     "revisions", "pageids":   pageId, "rvprop":   "user|content", "rvstartid": revisionId, "rvlimit":  50, "format":   "json" }		args = { "onsuccess": onsuccess, "onerror": onerror, "data": data }		if(typeof(options) != "undefined"){ if(options.startingRevId){ params.rvstartid = options.startingRevId }			if(options.section){ params.rvsection = options.section args.section    = options.section }		}		function handleResult(res, args){ //Is it an error result if(res.error){ //The error says that it is because of a section not existing in one of the revisions //Repeat the request without the section information and remember to trip the results to the exact section when done. if(res.error.code == "rvnosuchsection"){ var params = { "action":   "query", "prop":     "revisions", "pageids":  pageId, "rvprop":   "user|content", "rvstartid": revisionId, "rvlimit":  50, "format":   "json" }					args.sectionFail = true WPAPIHandler.performGET(						params,						handleResult,						args,						function(message){							onerror("Request failed to get list of previous revisions", message)						}					) return }				else{ args.onerror("Error message received from Wikipedia's API", res.error.code + ": " + res.error.info) return }			}			//Is the page missing if(res.query.pages[-1]){ args.onerror("Could not find page with title '" + res.query.pages[-1].title + "'", WPAPIHandler.objectToString(res)) return }			//Get the page information var page = undefined try{ for(pageId in res.query.pages){ page = res.query.pages[pageId] break }			}catch(e){ args.onerror("Could not find a page in the Wikipedia API's response", WPAPIHandler.objectToString(res)) return }			//Get the revisions if(page.revisions){ revisionList = page.revisions.reverse }			else{ args.onerror("Could not get previous revisions from Wikipedia's response", WPAPIHandler.objectToString(res)) return }			progress.setBars(revisionList.length) progress.setStatus("Building word persistence...") //build WordList and call onsuccess if(args.sectionFail){ PersistenceManager.buildWordList(revisionList, progress, args) }			else{ args.section = undefined PersistenceManager.buildWordList(revisionList, progress, args) }		}		WPAPIHandler.performGET(			params,			handleResult,			args,			function(message){				onerror("Request failed to get list of previous revisions", message)			}		) }	/**	 * Get Word List Logarithmically (Faster - Less accurate) *	 * Builds a persistent WordList using the Wikipedia API by making two * individual requests. The first request gets the list of revision_ids * for the last 64 revisions. That list is then trimmed (logarithmically) * to contain only interesting revisions. A second request is made to * actually get the content of those interesting revisions. *	 * @param pageTitle      string    The title of the page to build the persistent WordList for * @param onsuccess      function  A function to be called with the persistent WordList * @param onerror        function  A function that accepts visible and logging error messages in case an error occurs * @param startingRevId  int       (Optional) a revision_id at which to stop building the WordList */	PersistenceManager.getWordListLogarithmically = function(pageId, revisionId, data, onsuccess, onerror, options, progress){ progress.setStatus("Asking Wikipedia's API for previous revisions logarithmically") var params = { "action":   "query", "prop":     "revisions", "pageids":   pageId, "rvprop":   "ids", "rvstartid": revisionId, "rvlimit":  64, "format":   "json" }		args = { "onsuccess": onsuccess, "onerror": onerror, "data": data, "section": options.section }		if(typeof(options) != "undefined"){ if(options.section){ params.rvsection = options.section }		}		function handleRevResult(res, args){ //Is the page missing if(res.query.pages[-1]){ args.onerror("Could not find page with title '" + res.query.pages[-1].title + "'", WPAPIHandler.objectToString(res)) return }			//Get the page information var page = undefined try{ for(pageId in res.query.pages){ page = res.query.pages[pageId] break }			}catch(e){ args.onerror("Could not find a page in the Wikipedia API's response", WPAPIHandler.objectToString(res)) return }			//Get the revisions if(page.revisions){ revisionList = page.revisions }			else{ args.onerror("Could not get previous revisions from Wikipedia's response", WPAPIHandler.objectToString(res)) return }			progress.setStatus("Limiting revisions logarithmically.") var revisionIdList = [] for(var i=1;i<=revisionList.length;i=i*2){ revisionIdList.push(revisionList[i-1].revid) }			revisionIdList.reverse progress.setBars(revisionIdList.length) var params = { "action":   "query", "prop":     "revisions", "revids":   revisionIdList.join("|"), "rvprop":   "user|content", "format":   "json" }			if(args.section){ params.rvsection = args.section }			function handleRevisionResult(res, args){ //Is it an error result if(res.error){ if(res.error.code == "rvnosuchsection"){ var params = { "action":   "query", "prop":     "revisions", "revids":   revisionIdList.join("|"), "rvprop":   "user|content", "format":   "json" }						args.sectionFail = true WPAPIHandler.performGET(							params,							handleRevisionResult,							args,							function(message){								onerror("Request failed to get list of previous revisions", message)							}						) return }					else{ args.onerror("Error message received from Wikipedia's API", res.error.code + ": " + res.error.info) return }				}				//Is the page missing if(res.query.pages[-1]){ args.onerror("Could not find page with title '" + res.query.pages[-1].title + "'", WPAPIHandler.objectToString(res)) return }				//Get the page information var page = undefined try{ for(pageId in res.query.pages){ page = res.query.pages[pageId] break }				}catch(e){ args.onerror("Could not find a page in the Wikipedia API's response", WPAPIHandler.objectToString(res)) return }				//Get the revisions if(page.revisions){ revisionList = page.revisions for(var i=0;i= 0) ? Math.pow(2, j-1) : 0) }				}				else{ args.onerror("Could not get previous revisions from Wikipedia's response", WPAPIHandler.objectToString(res)) return }				progress.setStatus("Building word persistence...") //build WordList and call onsuccess if(args.sectionFail){ PersistenceManager.buildWordList(revisionList, progress, args) }				else{ args.section = undefined PersistenceManager.buildWordList(revisionList, progress, args) }			}			WPAPIHandler.performGET(				params,				handleRevisionResult,				args,				function(message){					alert("Request failed to get list of previous revisions" + message)				}			) }		WPAPIHandler.performGET(			params,			handleRevResult,			args,			function(message){				onerror("Request failed to get list of previous revisions", message)			}		) }	/**	 * Build Word List *	 * Recursively constructs a persistent WordList from a list of revisions *	 * @param revisionList  A list of {"user":, "*": } objects that represent a sequence of revisions *	 * @return a persistent WordList */	PersistenceManager.buildWordList = function(revisionList, progress, args){ PersistenceManager.memoize = { revisionList: revisionList, onsuccess:   args.onsuccess, onerror:     args.onerror, recentRevs:  new ListDict(15), lastRev:     undefined, progress:    progress, data:        args.data, section:     args.section }		PersistenceManager.timedWordListBuilder }	/**	 * Timed Word List Builder *	 * An asynchronous recursive function to build a WordList */	PersistenceManager.timedWordListBuilder = function{ var memoize = PersistenceManager.memoize if(memoize.revisionList.length == 0){ //base case PersistenceManager.memoize = {} if(memoize.lastRev.wordList){ if(memoize.section){ memoize.onsuccess(PersistenceManager.extractSection(memoize.lastRev.wordList, memoize.section)) }else{ memoize.onsuccess(memoize.lastRev.wordList) }			}			else{ memoize.onsuccess(new WordList) }			return }		memoize.progress.addBar var curRev = memoize.revisionList.shift curRev.text = curRev['*'] curRev.checksum = CRC32(curRev.text) curRev.words = Diff.splitText(curRev.text) if(memoize.lastRev){ if(memoize.lastRev.checksum == curRev.checksum){ //Noop - just copy the last word list curRev.wordList = memoize.lastRev.wordList }			else if(memoize.recentRevs.find(curRev.checksum)){ //Revert - bring back the old word list curRev.wordList = memoize.recentRevs.find(curRev.checksum) }else{ //Regular edit //Do a diff diff = new Diff(memoize.lastRev.words, curRev.words) if(revisionList.length < 15){ curRev.wordList = memoize.lastRev.wordList.applyDiff(diff, {user:"unknown"}) }else{ curRev.wordList = memoize.lastRev.wordList.applyDiff(diff, curRev) }			}		}else{ //This is the first revision diff = new Diff([], curRev.words) curRev.wordList = (new WordList).applyDiff(diff, {"user": "unknown"}) }		curRev.wordList.increment(curRev.visible) memoize.recentRevs.insert(curRev.checksum, curRev.wordList) memoize.lastRev = curRev //delayed recursive call setTimeout("PersistenceManager.timedWordListBuilder", 100) }	/**	 * Extract Section *	 * Extracts a section of a WordList from a WordList based on the * numerical location of headers. *	 */	PersistenceManager.extractSection = function(wordList, section){ if(!section){ return wordList }		else{ var newWordList = new WordList var sectionDepth = undefined var currentDepth = 0 var headerCounter = 0 var headerRE = /=====|====|===|==|=/g var returningWords = false var lastLineBreak = true for(var i=0;i<wordList.list.length;i++){ var word = wordList.list[i] var needle = headerRE.exec(word.content) if(needle && lastLineBreak){ try{ currentDepth = needle[0].length-1 }catch(e){ alert(needle) return }					headerCounter++ if(headerCounter == section){ returningWords = true sectionDepth  = currentDepth }					else if(returningWords && currentDepth <= sectionDepth){ return newWordList }				}				if(returningWords){ newWordList.list.push(word) }				lastLineBreak = word.content[word.content.length-1] == "\n" }			return newWordList }	}

var PersistenceLegend = function(className, docs, leftName, rightName){ this.wrapper = $('<div title="Color Scheme" class="legend ' + className + '"> ') this.hide leftName = leftName || "new" rightName = rightName || "old" this.wrapper.append(' ' + leftName + ' ') this.wrapper.append('<span class="survived_2">&nbsp&nbsp&nbsp ') this.wrapper.append('<span class="survived_4">&nbsp&nbsp&nbsp ') this.wrapper.append('<span class="survived_8">&nbsp&nbsp&nbsp ') this.wrapper.append('<span class="survived_16">&nbsp&nbsp&nbsp ') this.wrapper.append('<span class="survived_32">&nbsp&nbsp&nbsp ') this.wrapper.append('<span class="survived_max">&nbsp&nbsp&nbsp ') this.wrapper.append(' ' + rightName + ' ') this.moreLink = $('<a class="docsToggle">?</a>') this.wrapper.append(this.moreLink) this.docs = docs this.docs.hide this.moreLink.bind(		'click', 		{self:this}, 		function(e){e.data.self.docs.toggle}	) this.wrapper.append(docs.wrapper) }	PersistenceLegend.prototype.show = function{ this.wrapper.show }	PersistenceLegend.prototype.hide = function{ this.wrapper.hide }

var ColorDocs = function(content){ this.visible = true this.wrapper = $(' ') this.wrapper.bind('mouseup', {self:this}, function(e){e.data.self.hide}) this.wrapper.css("position", "absolute") this.wrapper.css("z-index", 0) this.closeButton = $(' X ') this.wrapper.append(this.closeButton) this.closeButton.bind('click', {self:this}, function(e){e.data.self.hide}) this.wrapper.append(' Color Scheme ') this.wrapper.append(content) this.hide }	ColorDocs.prototype.toggle = function{ if(this.visible){ this.hide }else{ this.show }	}	ColorDocs.prototype.show = function{ if(this.wrapper.parent.css("position") != "absolute"){ this.wrapper.parent.css("position", "relative") }		this.wrapper.css("top", this.wrapper.parent.height) this.wrapper.show this.visible = true }	ColorDocs.prototype.hide = function{ this.wrapper.hide this.visible = false }

var Toggle = function(name, turnOn, turnOff, data){ this.wrapper = $('<div title="' + name + '" class="toggleButton"> ' + name + '   ') this.wrapper.addClass('off') this.name = name this.data = data || {} this.turnOn = turnOn this.turnOff = turnOff this.currentlyOn = false }	Toggle.prototype.enable = function{ this.wrapper.bind('click', {"button": this}, this.toggle) this.wrapper.addClass('enabled') this.wrapper.removeClass('disabled') }	Toggle.prototype.disable = function{ this.wrapper.unbind('click', this.toggle) this.wrapper.addClass('disabled') this.wrapper.removeClass('enabled') }	Toggle.prototype.manualOff = function{ this.wrapper.addClass('off') this.wrapper.removeClass('on') this.currentlyOn = false }	Toggle.prototype.manualOn = function{ this.wrapper.addClass('on') this.wrapper.removeClass('off') this.currentlyOn = true }	Toggle.prototype.selected = function{ return this.name }	Toggle.prototype.toggle = function(e){ var button = e.data.button if(button.currentlyOn){ button.turnOff(button.data) button.manualOff }else{ button.turnOn(button.data) button.manualOn }	}

var DoubleToggle = function(displayName, name1, name2, on1, on2, off, data){ this.wrapper = $(' ') this.name1 = name1 this.name2 = name2 this.on1 = on1 this.on2 = on2 this.off = off this.data = data || {} this.data.self = this this.toggleName = displayName.replace(" ", "_") this.toggle = new Toggle(		displayName,		this.toggleOn,		this.toggleOff,		this.data	) this.radioContainer = $(' ') this.wrapper.append(this.radioContainer) this.wrapper.append(this.toggle.wrapper) this.radio1 = $('<input type="radio" name="' + this.toggleName + '" id="' + this.toggleName + '_' + name1 + '" checked="true" />') this.radio1.bind('change', this.data, this.radioSwitch) if($.cookie(this.toggleName + "_" + name1 + "_checked")){ this.radio1.attr("checked", "true") }	this.radioContainer.append(this.radio1) this.label1 = $('<label for=' + this.toggleName + '_' + name1 + '>' + name1 + ' ') this.radioContainer.append(this.label1) this.radio2 = $('<input type="radio" name="' + this.toggleName + '" id="' + this.toggleName + '_' + name2 + '" />') this.radio2.bind('change', this.data, this.radioSwitch) if($.cookie(this.toggleName + "_" + name2 + "_checked")){ this.radio2.attr("checked", "true") }	this.radioContainer.append(this.radio2) this.label2 = $('<label for=' + this.toggleName + '_' + name2 + '>' + name2 + ' ') this.radioContainer.append(this.label2) this.disableRadios }

DoubleToggle.prototype.toggleOn = function(data){ var toggle = data.self toggle.enableRadios if(toggle.radio1.attr('checked')){ toggle.on1(data) }		else if(toggle.radio2.attr('checked')){ toggle.on2(data) }	}	DoubleToggle.prototype.toggleOff = function(data){ var toggle = data.self toggle.disableRadios toggle.off(data) }	DoubleToggle.prototype.radioSwitch = function(e){ var toggle = e.data.self if(toggle.radio1.attr('checked')){ toggle.on1(e.data) $.cookie(toggle.toggleName + "_" + toggle.name1 + "_checked", "true") $.cookie(toggle.toggleName + "_" + toggle.name2 + "_checked", null) }		else if(toggle.radio2.attr('checked')){ toggle.on2(e.data) $.cookie(toggle.toggleName + "_" + toggle.name2 + "_checked", "true") $.cookie(toggle.toggleName + "_" + toggle.name1 + "_checked", null) }	}	DoubleToggle.prototype.enableRadios = function{ this.radio1.attr("disabled", false) this.radio2.attr("disabled", false) this.radioContainer.removeClass("disabled") }	DoubleToggle.prototype.disableRadios = function{ this.radio1.attr("disabled", true) this.radio2.attr("disabled", true) this.radioContainer.addClass("disabled") }	DoubleToggle.prototype.selected = function{ if(this.radio1.attr('checked')){ return this.name1 }		else{ return this.name2 }	}	DoubleToggle.prototype.enable = function{ this.toggle.enable }	DoubleToggle.prototype.disable = function{ this.toggle.disable }

ServerStatus = function{ this.wrapper = $('<div class="server_status"> ') this.icon   = $("  ") this.wrapper.append(this.icon) this.status = '' this.setIdle }

ServerStatus.prototype.setIdle = function{ if(this.status == "success" || this.status == "error"){ return }		this.icon.removeClass this.icon.addClass("idle") this.icon.attr("title", "Not doing anything, really.") this.status = 'idle' }	ServerStatus.prototype.setWaiting = function(message){ if(this.status == "success" || this.status == "error"){ return }		this.icon.removeClass this.icon.addClass("loading") if(message){ this.icon.attr("title", message) }else{ this.icon.attr("title", "Waiting for the Grouplens servers to respond.") }		this.status = 'waiting' }	ServerStatus.prototype.setSuccess = function{ this.icon.removeClass this.icon.addClass("success") this.icon.attr("title", "The persistent word state has been successfully retrieved.") this.status = 'success' }	ServerStatus.prototype.setError = function(message){ if(this.status == "success"){ return }		this.icon.removeClass this.icon.addClass("error") this.icon.attr("title", "An error occurred when trying to request the cached state: " + message) this.status = 'error' }	ServerStatus.prototype.setLong = function{ if(this.status == "success" || this.status == "error"){ return }		this.icon.removeClass this.icon.addClass("long") this.icon.attr("title", "The Grouplens server will take a long time to build the current state.") this.status = 'long' }

/** * WikEditor (Singleton) * * A visual editor component designed to be used in MediaWiki's edit screen. * This object is loosely based on the code for WikEd, a full fledged syntax * highlighter for MediaWiki. This object is intended to provide basic * functionality. * * This object is a singleton. Do not call its constructor. Create/get the * instance by calling the static function "WikEditor.getInstance". */ WikEditor = function(ImASingleton){ //Simple check to ensure that the constructor is being called by the //static singleton function if(!ImASingleton){ throw "Signleton fail" }	this.editForm         = $("#editform") //Ensure that the DOM is readyf or this object to be created. if(this.editForm.length==0){ throw "WikEditor cannot be created until #editform " + "is ready in the DOM" }	this.editForm.bind(		"submit", 		{wikEditor:this}, 		function(e){			wikEditor = e.data.wikEditor			var scrollTop = wikEditor.scrollTop			wikEditor.normalTextBox.loadContent(wikEditor.getText)			wikEditor.normalTextBox.textarea.scrollTop(scrollTop)			return true		}	) this.buttons = $('#wpSave, #wpPreview, #wpDiff').bind(		"click",		{wikEditor:this},		function(e){			var wikEditor = e.data.wikEditor			wikEditor.lastButtonClicked = this		}	) /**	 * Show Normal Text Box *	 * Shows the normal text box and ensures that it is enabled **/	this.showNormalTextBox = function{ this.formatableBox.hide this.normalTextBox.show this.normalTextBox.enable }	/**	 * Show Formatable Box *	 * Shows the formatable box and ensures that it is enabled **/	this.showFormatableBox = function{ this.normalTextBox.hide this.formatableBox.show this.formatableBox.enable }	/**	 * Normal Text Box *	 * Represents the default textarea editor and its functions **/	this.normalTextBox = { wikEditor: this, enabled: true, textarea: $("#wpTextbox1"), toolbar: $("#toolbar"), enable: function{ if(this.enabled){ return false }else{ this.wikEditor.formatableBox.lock var scrollTop = this.wikEditor.formatableBox.body.scrollTop this.loadContent(this.wikEditor.getText) this.wikEditor.formatableBox.hide this.show this.textarea.scrollTop(scrollTop) this.unlock }		},		/**		 * Replace Content *		 * Replaces the current content of the textarea with "text" *		 * @param text  string  The text to place in the textarea * 		 * @return */		loadContent: function(text){ this.textarea.attr("value", text) return this.textarea.text(text) },		/**		 * Get Content *		 * Extracts and returns the content from the textarea */		getContent: function{ return this.textarea.attr("value") },		/**		 * Show *		 */		show: function{ this.enabled = true this.textarea.css("display", "block") },		/**		 * Hide *		 */		hide: function{ this.enabled = false this.textarea.css("display", "none") },		/**		 * Disable *		 */		lock: function{ this.textarea.attr("readonly", "true") },		/**		 * Enable *		 */		unlock: function{ this.textarea.attr("readonly", "") }	}	/**	 * Formatable Box *	 * Represents that iframe edit pane and its functions. **/	this.formatableBox = { wikEditor: this, enabled: false, wrapper: $(' ').css("display", "none"), frame: $('<iframe id="formatableFrame"> ').css("width", "100%").height(this.normalTextBox.textarea.height), window: undefined, header: undefined, body: undefined, styles: {}, encodingList: [ {text: ">", html: "&gt;" }, {text: "<", html: "&lt;" }, {text: "&", html: "&amp;"} ],		enable: function(htmlEncode){ if(this.enabled){ return false }else{ this.wikEditor.normalTextBox.lock var scrollTop = this.wikEditor.normalTextBox.textarea.scrollTop this.loadContent(this.wikEditor.getText, htmlEncode) this.wikEditor.normalTextBox.hide this.show this.body.scrollTop(scrollTop) this.unlock }		},		/**		 * Add Style (from a wikipedia page) *		 * Adds a stylesheet to the iframe *		 * @param page  string  Page Title of css page */		addStyle: function(page){ var url = mw.config.get('wgServer') + mw.config.get('wgScript') + '?action=raw&ctype=text/css&title=' + encodeURIComponent(page.replace(/ /g,'_')) return this.addStyleURI(url) },		/**		 * Remove Style (from a wikipedia page) *		 * Removes a style from the iframe *		 * @param page  string  Page Title of css page */		removeStyle: function(page){ var url = mw.config.get('wgServer') + mw.config.get('wgScript') + '?action=raw&ctype=text/css&title=' + encodeURIComponent(page.replace(/ /g,'_')) return this.removeStyleURI(url) },		/**		 * Add Style URI (from full URI) *		 * Adds a stylesheet to the iframe *		 * @param href  string  a hyperlink reference to the stylesheet */		addStyleURI: function(url){ var link = $('<style rel="stylesheet" type="text/css">@import "' + url + '"; ') if(this.styles[url]){ this.styles[url].push(link) }else{ this.styles[url] = [link] }			this.header.append(link) return link },		/**		 * Remove Style URI (from full URI) *		 * Removes a stylesheet to the iframe *		 * @param href  string  a hyperlink reference to the stylesheet */		removeStyleURI: function(url){ if(this.styles[url]){ for(i in this.styles[url]){ try{ this.styles[url][i].remove }catch(e){ //do nothing }				}			}		},		/**		 * Load Content *		 * Converts and displays plain text in the iframe. *		 * @param text       string    The text to be displayed in the iFrame * @param htmlEncode function  (optional) function to be used to encode the text for HTML display. If not set, a simple default encoder is used. */		loadContent: function(text, htmlEncode){ var scrollTop = this.wikEditor.normalTextBox.textarea.scrollTop if(htmlEncode){ this.body.html(htmlEncode(text)) }			else{ this.body.html(this.htmlEncode(text)) }			this.body.scrollTop(scrollTop) },		/**		 * Get Content *		 * Extracts, decodes and returns the content of the iframe. *		 * @param htmlDecode  function  (option) function to be used to decode the HTML to text. If not set, a simple default decoder is used. */		getContent: function(htmlDecode){ if(htmlDecode){ return htmlDecode(this.body.html) }			else{ return this.htmlDecode(this.body.html) }		},		/**		 * HTML Encode *		 * A simple HTML encoder that will turn raw text into similarly shaped HTML */		htmlEncode: function(text){ for(var i = 0; i<this.encodingList.length;i++){ var encoding = this.encodingList[i] text = text.replace(new RegExp(encoding.text, "g"), encoding.html) }			return text },		/**		 * HTML Decode *		 * A simple HTML decoder that will turn HTML into raw text. */		htmlDecode: function(html){ //remove HTML html = html.replace(/<br[^>]*>/g, '\n') var text = html.replace(/<([^>]|\"[^\"]*\")+>/g, '')			for(var i = 0; i<this.encodingList.length;i++){				var encoding = this.encodingList[i]				text = text.replace(new RegExp(encoding.html, "g"), encoding.text)			}			return text		},		/**		 * Show		 * 		 * Displays the formatable box		 */		show: function{			//show			this.enabled = true			this.wrapper.show		},		/**		 * Hide		 *		 * 		 */		hide: function{			//hide			this.enabled = false			this.wrapper.hide		},		/**		 * Disable		 *		 *		 */		lock: function{			this.window.document.designMode = "off"			this.body.css("background", "#eee")			this.body.css("color", "#666")		},		/**		 * Enable		 *		 *		 */		unlock: function{			this.window.document.designMode = "on"			this.body.css("background", "none")			this.body.css("color", "black")		}	}	//Insert the formatableBox wrapper	this.formatableBox.wrapper.insertAfter(this.normalTextBox.textarea) //Insert the frame in the wrapper this.formatableBox.frame.appendTo(this.formatableBox.wrapper) //Get the new window along with its body and header this.formatableBox.window = this.formatableBox.frame[0].contentWindow this.formatableBox.window.document.open this.formatableBox.window.document.write('  <body onload="document.designMode=\'on\'">  ') this.formatableBox.window.document.close this.formatableBox.header = $("head", this.formatableBox.window.document) this.formatableBox.body  = $("body", this.formatableBox.window.document) this.formatableBox.body.css("white-space", "pre-wrap") this.formatableBox.body.css("padding", "2px") this.formatableBox.body.css("margin", "0px") this.formatableBox.body.css("font-size", "1em") this.formatableBox.body.css("font-family", "monospace") /**	 * Controls *	 * Manages various controls */	this.controls = {} this.controls.wrapper = $(' ') if(this.normalTextBox.toolbar.length){ this.controls.wrapper.insertBefore(this.normalTextBox.toolbar) }else{ this.controls.wrapper.insertBefore(this.normalTextBox.textarea) }		this.controls.add = function(control){ this.wrapper.append(control.wrapper) return control }	/** Legend */ this.legend = {} this.legend.wrapper = $(' ') this.legend.wrapper.insertAfter(this.controls.wrapper) this.legend.add = function(legend){ this.wrapper.append(legend.wrapper) return legend }	/**	 * Progress *	 * Progress is an object that manages a progress bar that can be used * while performing long operations. */	this.progress = {} this.progress.wrapper = $(' ') this.progress.wrapper.insertBefore(this.normalTextBox.textarea) /**		 * Initialize *		 * Initializes a progress bar. */		this.progress.init = function(name, action, cancel){ var pbar = new ProgressBar($('#wpTextbox1'), name, action, cancel) return pbar }	/**	 * Console * 	 * A logging console that can be displayed to the user. */	this.console = { wrapper: $(' ').insertAfter(this.formatableBox.wrapper).css("white-space", "pre-wrap").css("display", "none"), info: function(message){ this.appendLine("info", message) },		warning: function(message){ this.appendLine("warning", message) },		error: function(message){ this.appendLine("error", message) },		success: function(message){ this.appendLine("success", message) },		appendLine: function(type, message){ var line = $(' ') line.addClass(type) line.html(' &gt; ' + message) this.wrapper.prepend(line) },		clear: function{ this.wrapper.html("") },		show: function{ this.wrapper.css("display", "block") },		hide: function{ this.wrapper.css("display", "none") }	}	this.console.info("WikEditor has been initialized") }

/**	 * Instance (static) *	 * Holds the single instance of this object */	WikEditor.instance = undefined

/**	 * Get Instance (static) * 	 * Gets the single instance of this singleton object */	WikEditor.getInstance = function{ if(!WikEditor.instance){ WikEditor.instance = new WikEditor(true) }		return WikEditor.instance }	/**	 * Get Text *	 * Returns the the most up-to-date text. */	WikEditor.prototype.getText = function{ if(this.normalTextBox.enabled){ return this.normalTextBox.getContent }else{ return this.formatableBox.getContent }	}	/**	 * Scroll Top *	 * Returns or sets the height at which to scroll the current textarea. */	WikEditor.prototype.scrollTop = function(val){ if(val == undefined){ if(this.normalTextBox.enabled){ return this.normalTextBox.textarea.scrollTop }else{ return this.formatableBox.body.scrollTop }		}else{ if(this.normalTextBox.enabled){ this.normalTextBox.textarea.scrollTop(val) }else{ this.formatableBox.body.scrollTop(val) }		}	}

ScriptHttpRequest = function(url, params, handleResponse, data){ this.url = url this.params = params this.handleResponse = handleResponse this.data = data //Add the current request to requests this.index = ScriptHttpRequest.requests.length ScriptHttpRequest.requests[this.index] = this }

ScriptHttpRequest.checkDelay = 1000 ScriptHttpRequest.urlSizeLimit = 8000 ScriptHttpRequest.requests = [] ScriptHttpRequest.waitForResult = function(index){ request = ScriptHttpRequest.requests[index] if(request.response){ request.handleResponse("success", request.data, request.response) }else{ if(request.timeout && ((new Date).getTime - request.startTime) > request.timeout){ request.handleResponse("timeout", request.data, request.response) }			else{ setTimeout(function{ScriptHttpRequest.waitForResult(index)}, ScriptHttpRequest.checkDelay) }		}	}	ScriptHttpRequest.prototype.setTimeout = function(timeoutSeconds){ this.timeout = timeoutSeconds * 1000 }	ScriptHttpRequest.prototype.send = function{ this.index = (new Date).getTime ScriptHttpRequest.requests[this.index] = this var qstr = "" if(this.handleResponse){ qstr += "__=ScriptHttpRequest.requests[" + this.index + "].response" }else{ qstr += "__=__" }		var lists = {} //Format params... lists will be skipped and done last for(var key in this.params){ var value = this.params[key] //Found an object... assuming it is a list. if(typeof(value)=="object" && value.length){ lists[key] = value }else{ qstr += "&" + escape(key) + "=" + escape(value) }			if(this.url.length + qstr.length >= ScriptHttpRequest.urlSizeLimit){ break }		}		//Format lists for(var key in lists){ var list = this.params[key] var lstr = "" for(var j=0;j<list.length;j++){ if(this.url.length + qstr.length + lstr.length + list[j].length + 1 >= ScriptHttpRequest.urlSizeLimit){ break }else{ lstr += (lstr.length == 0 ? escape(list[j]) : "|" + escape(list[j])) }			}			qstr += "&" + escape(key) + "=" + lstr }		mw.loader.load(this.url + '?' + qstr) this.startTime = (new Date).getTime if(this.handleResponse){ ScriptHttpRequest.waitForResult(this.index) }	}

/** * Logger * * This object is intended to be used as a simple interface for logging that * uses a the insertion of a Javascript tag to the header of the document in * order to make arbitrary GET requests to any server. */ Logger = function(url){ this.url = url; }	Logger.NORMAL = 0 Logger.ESTABLISHED = 1 Logger.NOVEL = 2 Logger.TRUTHINESS = 3 Logger.prototype.removedWords = function(wordList, diff){ var wordRE = /\w+/ig var removed = [] var removedPersistence = 0 var removedWords = 0 var instructions = diff.getInstructions var chunk = {} for(var i in instructions){ var inst = instructions[i] if(inst.code == "remove"){ if(wordList.list[inst.i].content.match(wordRE)){ removedPersistence += wordList.list[inst.i].revsVisible removedWords += 1 }				if(chunk.start){ chunk.end = inst.i				}else{ chunk.start = inst.i					chunk.end  = inst.i				} }else{ if(chunk.start){ if(chunk.start == chunk.end){ removed.push(chunk.start) }else{ removed.push(chunk.start + "-" + chunk.end) }					chunk = {} }			}		}		if(chunk.start){ if(chunk.start == chunk.end){ removed.push(chunk.start) }else{ removed.push(chunk.start + "-" + chunk.end) }			chunk = {} }		result = { removedWords:      removedWords, removedPersistence: removedPersistence, removed:           removed }		return result }	/**	 * Save *	 *	 */	 Logger.prototype.save = function(state, wordList, diff){ if(wordList && diff){ rm = this.removedWords(wordList, diff) params = { event:    "save", group:    state.group, user:     state.user, language: HAPPI_L['language_abbreviation'], page:     state.pageId, revid:    state.revisionId, section:  state.section, loaded:   state.loaded, now:      (new Date).getTime/1000, r_words:  rm.removedWords, r_persist: rm.removedPersistence, removed:  rm.removed }		}else{ params = { event:    "save", group:    state.group, user:     state.user, language: HAPPI_L['language_abbreviation'], page:     state.pageId, revid:    state.revisionId, section:  state.section, loaded:   state.loaded, now:      (new Date).getTime/1000 }		}		request = this.log(params) }	/**	 * Edit *	 *	 */	 Logger.prototype.edit = function(state){ params = { event: "edit", group:  state.group, user:   state.user, language:HAPPI_L['language_abbreviation'], page:   state.pageId, revid:  state.revisionId, section: state.section, loaded: state.loaded, now:    (new Date).getTime/1000 }		request = this.log(params) }	/**	 * Error *	 *	 */	 Logger.prototype.error = function(state, attempting, problem){ params = { event:     "error", group:     state.group, user:      state.user, language:  HAPPI_L['language_abbreviation'], page:      state.pageId, revid:     state.revisionId, section:   state.section, loaded:    state.loaded, now:       (new Date).getTime/1000, attempting: attempting, problem:   problem }		request = this.log(params) }	/**	 * Toggle *	 */	Logger.prototype.toggle = function(state, from, to, wordList, diff){ rm = this.removedWords(wordList, diff) params = { event:   "toggle", group:    state.group, user:     state.user, language: HAPPI_L['language_abbreviation'], page:     state.pageId, revid:    state.revisionId, section:  state.section, loaded:   state.loaded, now:      (new Date).getTime/1000, from:     from, to:       to, r_words:  rm.removedWords, r_persist: rm.removedPersistence, removed:  rm.removed }		request = this.log(params) }	/**	 * Log *	 * A function which formats an object into GET parameters and adds a * script tag to the head of the document. */	Logger.prototype.log = function(params){ var request = new ScriptHttpRequest(this.url, params) request.send }	/**	 * Send Request *	 * Sends a get request to the provided url the query string by adding a * script tag to the head of a document. */	Logger.prototype.sendRequest = function(queryString){ var tag = document.createElement("script") tag.setAttribute("src", this.url + queryString) tag.setAttribute('type','text/javascript') document.getElementsByTagName('head')[0].appendChild(tag) }	/**	 * Escape *	 * Properly escapes URL parameters by changing javascript's "null" to a	 * more useful "/n" sequence. */	Logger.prototype.escape = function(thing){ if(thing == null){ return escape("/n") }		else{ return escape(thing) }	}

var Notice = function(name, title, message){ this.wrapper = $('<div title="' + title + '" class="happi_notice" > ') this.hideLink = $('<div class="hide_link">hide ') this.wrapper.append(this.hideLink) if($.cookie('HAPPI_' + name + '_notice')){ this.hide }	this.hideLink.bind(		'click',		{self: this},		function(e){			//$.cookie('HAPPI_' + name + '_notice', true)			e.data.self.hide		}	) this.wrapper.append(' ' + title + ' ') this.wrapper.append(message) }	Notice.prototype.hide = function{ this.wrapper.slideUp(1000) }

/** * HAPPI * * An inerface modification defined for Wikipedia (MediaWiki) that adds a toggle * above the edit pane that allows an editor to switch between normal and * syntax-highlighted mode. This syntax highlighted mode shows the persistence * of words in the article in an effort to lend insight into the structure of * of editing in the current article. * * See http://en.wikipedia.org/wiki/User:EpochFail/HAPPI */ if(($.query.get("action") == "edit" || $.query.get("action") == "submit") && wgNamespaceNumber % 2 == 0){ $(document).ready(function{	importStylesheet(HAPPI_L['user_namespace'] + ":EpochFail/HAPPI.css")	//importStylesheetURI("http://wikipedia.grouplens.org/HAPPI_test/css/HAPPI.css")	/*Check for IE*/	if($.browser.msie){		//Show 'em a notice and stop here		var notice = new Notice( HAPPI_L["IE"], HAPPI_L["IE_unsupported_header"], HAPPI_L["IE_unsupported"] )		$('#editform').prepend(notice.wrapper)		return	}	/*Egregious HACK to fix toolbar setup*/	//removeHandler(window, 'load', mwSetupToolbar)	if($('#toolbar img').length == 0){		mwSetupToolbar	}	HAPPI = {		startingRevId: wgCurRevisionId,		currentWordList: undefined,		wikEditor: WikEditor.getInstance,		logger: new Logger("http://wikipedia.grouplens.org/HAPPI/event.js"),		state: {			user: wgUserName,			title: wgPageName,			pageId: parseInt(wgArticleId),			revisionId: wgCurRevisionId,			section: (($.query.get("section") != "") ? $.query.get("section") : undefined),			loaded: (new Date).getTime/1000		},		serverStatus: new ServerStatus,		requestServerState: function(pageId, revisionId, section, stateControl){			stateControl.setWaiting			var params = {				rev_id: revisionId,				page_id: pageId,				language: HAPPI_L["language_abbreviation"],				status: true			}			if(section){				params['section'] = section			}			function handleStatusRequest(status, data, result){				if(status == "timeout"){					data.stateControl.setError(HAPPI_L["server_timeout"])				}				else{					if(result.success != undefined){						if(result.success <= 50){							data.stateControl.setWaiting(HAPPI_L["server_waiting_1"] + result.success + HAPPI_L["server_waiting_2"])						}else{							data.stateControl.setLong(HAPPI_L["server_waiting_long_1"] + result.success + HAPPI_L["server_waiting_long_2"])							HAPPI.persistenceToggle.enable						} }else{ if(result.error){ data.stateControl.setError(result.error.code + ": " + result.error.message) HAPPI.persistenceToggle.enable }else{ data.stateControl.setError("Unknown") HAPPI.persistenceToggle.enable }					}				}			}			contentRequest = new ScriptHttpRequest(				"http://wikipedia.grouplens.org/HAPPI/words.js",				params,				handleStatusRequest,				{stateControl: stateControl}			) contentRequest.setTimeout(5) contentRequest.send params = { rev_id: revisionId, page_id: pageId, language: HAPPI_L["language_abbreviation"] }			if(section){ params['section'] = section }			function handleContentRequest(status, data, result){ if(status == "timeout"){ data.stateControl.setError(HAPPI_L["server_too_long"]) }				else{ if(!result.success){ if(result.error){ data.stateControl.setError(result.error.code + ": " + result.error.message) HAPPI.persistenceToggle.enable }else{ data.stateControl.setError("Unknown") HAPPI.persistenceToggle.enable }					}else{ HAPPI.currentWordList = new WordList(result.success) data.stateControl.setSuccess HAPPI.persistenceToggle.enable }				}			}			contentRequest = new ScriptHttpRequest(				"http://wikipedia.grouplens.org/HAPPI/words.js",				params,				handleContentRequest,				{stateControl: stateControl}			) contentRequest.setTimeout(70) contentRequest.send },		readyFormatableBox: function(data){ HAPPI.wikEditor.normalTextBox.lock if(!HAPPI.currentWordList){ //HAPPI.wikEditor.console.info("Generating word persistence...") PersistenceManager.getWordListLocally(					HAPPI.state.pageId,					HAPPI.state.revisionId,					data,					HAPPI.enableFormatableBox,					function(message1, message2){						HAPPI.wikEditor.console.error(message1 + ": " + message2)					},					{						section: HAPPI.state.section					},					HAPPI.wikEditor.progress.init( HAPPI_L['building_wp'], HAPPI_L['building_wp_exp'] )				)			}			else{ //HAPPI.wikEditor.console.info("Using stored wordList to generate persistent words") HAPPI.enableFormatableBox(HAPPI.currentWordList) }		},		/**		 * Enable Formatable Box *		 * Performs all necessary steps to enable the formatableBox */		enableFormatableBox: function(wordList){ if(!wordList){ //Failed to build word list. return }			if(!HAPPI.currentWordList){ HAPPI.currentWordList = wordList }			//Diff wordList against what text is currently active var oldWords = wordList.getWords var newWords = Diff.splitText(HAPPI.wikEditor.getText) var diff = new Diff(oldWords, newWords) if(HAPPI.persistenceToggle.selected == HAPPI_L['established']){ HAPPI.logger.toggle(HAPPI.state, Logger.NORMAL, Logger.ESTABLISHED, HAPPI.currentWordList, diff) }else if(HAPPI.persistenceToggle.selected == HAPPI_L['novel']){ HAPPI.logger.toggle(HAPPI.state, Logger.NORMAL, Logger.NOVEL, HAPPI.currentWordList, diff) }else if(HAPPI.persistenceToggle.selected == HAPPI_L['word_trustworthiness']){ HAPPI.logger.toggle(HAPPI.state, Logger.NORMAL, Logger.TRUTHINESS, HAPPI.currentWordList, diff) }else{ HAPPI.logger.error(HAPPI.state, "Toggling from normal to persistence mode", "Type of persistence mode '" + HAPPI.persistenceToggle.selected + "' not understood") }			var newWordList = wordList.applyDiff(diff, {"user": wgUserName}) var htmlEncode = HAPPI.htmlEncodeWordList(newWordList) HAPPI.wikEditor.formatableBox.enable(htmlEncode) //HAPPI.wikEditor.console.info("Done!") },		/**		 * Enable Normal Text Box *		 * Switches the editor out of the formatableBox to the normal * text box. */		enableNormalTextBox: function(data){ HAPPI.wikEditor.normalTextBox.enable },		/**		 * HTML Enocde Word List *		 * A function factory that creates a function which will produce * an HTML string for highlighting based on a WordList. */		htmlEncodeWordList: function(wordList){ return function(_){ var getClass = function(revsVisible){ if(word.revsVisible <= 0){ return "new" }else if(word.revsVisible <= 2){ return "survived_2" }else if(word.revsVisible <= 4){ return "survived_4" }else if(word.revsVisible <= 8){ return "survived_8" }else if(word.revsVisible <= 16){ return "survived_16" }else if(word.revsVisible <= 32){ return "survived_32" }else{ return "survived_max" }				}				var startSpan = function(word){ var title = '' if(word.revsVisible == 0){ title = HAPPI_L['added_during_session'] }					else{ if(word.username == "unknown"){ title = HAPPI_L['word_first_noticed'] + word.revsVisible + HAPPI_L['revisions_back'] }else{ title = HAPPI_L['added_by'] + word.username + ' ' + word.revsVisible + HAPPI_L['revisions_back'] }					}					return '<span title="' + title + '" class="' + word.className + '">' }				var encodingList = [ {text: "&", html: "&amp;"}, {text: ">", html: "&gt;" }, {text: "<", html: "&lt;" } ]				var str = "" var prevWord = undefined for(var i=0;i<wordList.list.length;i++){ var word = wordList.list[i] word.className = getClass(words.revsVisible) var content = word.content for(var j=0;j<encodingList.length;j++){ encoding = encodingList[j] content = content.replace(new RegExp(encoding.text, "g"), encoding.html) }					if(!prevWord){ //First str += startSpan(word) + content }else if(prevWord.className == word.className){ str += content }					else{ //End of a class str += ' ' str += startSpan(word) + content }					prevWord = word }				if(str.length > 0){ str += " " }				return str }		},		updateGroupNumber: function{ if(HAPPI.group != undefined){ $.cookie("HAPPI.state.group", HAPPI.group) }else{ setTimeout('HAPPI.updateGroupNumber', 100) }		},		loadControlsWhenReady: function{ if(HAPPI.group != undefined || $.cookie("HAPPI.state.group") != null){ if(HAPPI.group != undefined){ HAPPI.state.group = HAPPI.group }else{ HAPPI.state.group = parseInt($.cookie("HAPPI.state.group")) }				HAPPI.logger.edit(HAPPI.state) HAPPI.wikEditor.controls.add(HAPPI.serverStatus) if(HAPPI.state.group == 0 || HAPPI.state.group == 1){ //Add the legend that explains highlighting HAPPI.establishedPersistenceLegend = HAPPI.wikEditor.legend.add(						new PersistenceLegend( "established", new ColorDocs(								//'<img src="/wiki/File:HAPPI_Established_Colors.png" ' + 								//'title="' + HAPPI_L['established_words_colored'] + '" />' + 								' ' + HAPPI_L['established_help'] + ' '							) )					)					HAPPI.novelPersistenceLegend = HAPPI.wikEditor.legend.add(						new PersistenceLegend( "novel", new ColorDocs(								//'<img src="/wiki/File:HAPPI_Novel_Colors.png" ' + 								//'title="' + HAPPI_L['novel_words_colored'] + '" />' + 								' ' + HAPPI_L['novel_help'] + ' '							) )					)				}else{ HAPPI.truthinessPersistenceLegend = HAPPI.wikEditor.legend.add(						new PersistenceLegend( "truthiness", new ColorDocs(								//'<img src="/wiki/File:HAPPI_Quality_Colors.png" ' + 								//'title="' + HAPPI_L['truthiness_words_colored'] + '" />' + 								' ' + HAPPI_L['truthiness_help'] + ' '							), "unvetted", "trustworthy" )					)				}				if(HAPPI.state.group == 0){ HAPPI.persistenceToggle = HAPPI.wikEditor.controls.add(						new DoubleToggle( HAPPI_L['word_persistence'], HAPPI_L['established'], HAPPI_L['novel'], function(data){ if(HAPPI.wikEditor.normalTextBox.enabled){ HAPPI.readyFormatableBox(data) }else{ var oldWords = HAPPI.currentWordList.getWords var newWords = Diff.splitText(HAPPI.wikEditor.getText) var diff = new Diff(oldWords, newWords) HAPPI.logger.toggle(HAPPI.state, Logger.NOVEL, Logger.ESTABLISHED, HAPPI.currentWordList, diff) }								HAPPI.wikEditor.formatableBox.removeStyle(HAPPI_L['user_namespace'] + ":EpochFail/NovelWordPersistence.css") HAPPI.wikEditor.formatableBox.addStyle(HAPPI_L['user_namespace'] + ":EpochFail/EstablishedWordPersistence.css") HAPPI.wikEditor.formatableBox.removeStyle(HAPPI_L['user_namespace'] + ":" + HAPPI.state.user + "/NovelWordPersistence.css") HAPPI.wikEditor.formatableBox.addStyle(HAPPI_L['user_namespace'] + ":" + HAPPI.state.user + "/EstablishedWordPersistence.css") HAPPI.novelPersistenceLegend.hide HAPPI.establishedPersistenceLegend.show },							function(data){ if(HAPPI.wikEditor.normalTextBox.enabled){ HAPPI.readyFormatableBox(data) }else{ var oldWords = HAPPI.currentWordList.getWords var newWords = Diff.splitText(HAPPI.wikEditor.getText) var diff = new Diff(oldWords, newWords) HAPPI.logger.toggle(HAPPI.state, Logger.ESTABLISHED, Logger.NOVEL, HAPPI.currentWordList, diff) }								HAPPI.wikEditor.formatableBox.removeStyle(HAPPI_L['user_namespace'] + ":EpochFail/EstablishedWordPersistence.css") HAPPI.wikEditor.formatableBox.addStyle(HAPPI_L['user_namespace'] + ":EpochFail/NovelWordPersistence.css") HAPPI.wikEditor.formatableBox.removeStyle(HAPPI_L['user_namespace'] + ":" + HAPPI.state.user + "/EstablishedWordPersistence.css") HAPPI.wikEditor.formatableBox.addStyle(HAPPI_L['user_namespace'] + ":" + HAPPI.state.user + "/NovelWordPersistence.css") HAPPI.establishedPersistenceLegend.hide HAPPI.novelPersistenceLegend.show },							function(data){ if(HAPPI.currentWordList){ var oldWords = HAPPI.currentWordList.getWords var newWords = Diff.splitText(HAPPI.wikEditor.getText) var diff = new Diff(oldWords, newWords) if(HAPPI.persistenceToggle.selected == HAPPI_L['established']){ HAPPI.logger.toggle(HAPPI.state, Logger.ESTABLISHED, Logger.NORMAL, HAPPI.currentWordList, diff) }else{ HAPPI.logger.toggle(HAPPI.state, Logger.NOVEL, Logger.NORMAL, HAPPI.currentWordList, diff) }								}else{ HAPPI.logger.error(HAPPI.state, "log the switch from persistence mode to normal mode", "No currentWordlist to perform diff against.") }								//HAPPI.wikEditor.console.info("Switching to normal view") HAPPI.establishedPersistenceLegend.hide HAPPI.novelPersistenceLegend.hide HAPPI.enableNormalTextBox }						)					)				}else if(HAPPI.state.group == 1){ HAPPI.persistenceToggle = HAPPI.wikEditor.controls.add(						new DoubleToggle( HAPPI_L['word_persistence'], HAPPI_L['novel'], HAPPI_L['established'], function(data){ if(HAPPI.wikEditor.normalTextBox.enabled){ HAPPI.readyFormatableBox(data) }else{ var oldWords = HAPPI.currentWordList.getWords var newWords = Diff.splitText(HAPPI.wikEditor.getText) var diff = new Diff(oldWords, newWords) HAPPI.logger.toggle(HAPPI.state, Logger.ESTABLISHED, Logger.NOVEL, HAPPI.currentWordList, diff) }								HAPPI.wikEditor.formatableBox.removeStyle(HAPPI_L['user_namespace'] + ":EpochFail/EstablishedWordPersistence.css") HAPPI.wikEditor.formatableBox.addStyle(HAPPI_L['user_namespace'] + ":EpochFail/NovelWordPersistence.css") HAPPI.wikEditor.formatableBox.removeStyle(HAPPI_L['user_namespace'] + ":" + HAPPI.state.user + "/EstablishedWordPersistence.css") HAPPI.wikEditor.formatableBox.addStyle(HAPPI_L['user_namespace'] + ":" + HAPPI.state.user + "/NovelWordPersistence.css") HAPPI.establishedPersistenceLegend.hide HAPPI.novelPersistenceLegend.show },							function(data){ if(HAPPI.wikEditor.normalTextBox.enabled){ HAPPI.readyFormatableBox(data) }else{ var oldWords = HAPPI.currentWordList.getWords var newWords = Diff.splitText(HAPPI.wikEditor.getText) var diff = new Diff(oldWords, newWords) HAPPI.logger.toggle(HAPPI.state, Logger.NOVEL, Logger.ESTABLISHED, HAPPI.currentWordList, diff) }								HAPPI.wikEditor.formatableBox.removeStyle(HAPPI_L['user_namespace'] + ":EpochFail/NovelWordPersistence.css") HAPPI.wikEditor.formatableBox.addStyle(HAPPI_L['user_namespace'] + ":EpochFail/EstablishedWordPersistence.css") HAPPI.wikEditor.formatableBox.removeStyle(HAPPI_L['user_namespace'] + ":" + HAPPI.state.user + "/NovelWordPersistence.css") HAPPI.wikEditor.formatableBox.addStyle(HAPPI_L['user_namespace'] + ":" + HAPPI.state.user + "/EstablishedWordPersistence.css") HAPPI.novelPersistenceLegend.hide HAPPI.establishedPersistenceLegend.show },							function(data){ if(HAPPI.currentWordList){ var oldWords = HAPPI.currentWordList.getWords var newWords = Diff.splitText(HAPPI.wikEditor.getText) var diff = new Diff(oldWords, newWords) if(HAPPI.persistenceToggle.selected == HAPPI_L['established']){ HAPPI.logger.toggle(HAPPI.state, Logger.ESTABLISHED, Logger.NORMAL, HAPPI.currentWordList, diff) }else{ HAPPI.logger.toggle(HAPPI.state, Logger.NOVEL, Logger.NORMAL, HAPPI.currentWordList, diff) }								}else{ HAPPI.logger.error(HAPPI.state, "log the switch from persistence mode to normal mode", "No currentWordlist to perform diff against.") }								//HAPPI.wikEditor.console.info("Switching to normal view") HAPPI.establishedPersistenceLegend.hide HAPPI.novelPersistenceLegend.hide HAPPI.enableNormalTextBox }						)					)				}else{ HAPPI.persistenceToggle = HAPPI.wikEditor.controls.add(						new Toggle( HAPPI_L['word_trustworthiness'], function(data){ if(HAPPI.wikEditor.normalTextBox.enabled){ HAPPI.readyFormatableBox(data) }else{ var oldWords = HAPPI.currentWordList.getWords var newWords = Diff.splitText(HAPPI.wikEditor.getText) var diff = new Diff(oldWords, newWords) HAPPI.logger.toggle(HAPPI.state, Logger.NOVEL, Logger.TRUTHINESS, HAPPI.currentWordList, diff) }								HAPPI.truthinessPersistenceLegend.show },							function(data){ if(HAPPI.currentWordList){ var oldWords = HAPPI.currentWordList.getWords var newWords = Diff.splitText(HAPPI.wikEditor.getText) var diff = new Diff(oldWords, newWords) HAPPI.logger.toggle(HAPPI.state, Logger.TRUTHINESS, Logger.NOVEL, HAPPI.currentWordList, diff) }								HAPPI.truthinessPersistenceLegend.hide HAPPI.enableNormalTextBox }						)					)					HAPPI.wikEditor.formatableBox.addStyle(HAPPI_L['user_namespace'] + ":EpochFail/TruthinessWordPersistence.css") HAPPI.wikEditor.formatableBox.addStyle(HAPPI_L['user_namespace'] + ":" + HAPPI.state.user + "/TruthinessWordPersistence.css") }				HAPPI.persistenceToggle.disable HAPPI.wikEditor.editForm.bind(					"submit", 					{},					function(e){						var targetId = '???'						if(HAPPI.wikEditor.lastButtonClicked){							targetId = HAPPI.wikEditor.lastButtonClicked.id						}						if(targetId == "wpPreview" || targetId == "wpDiff"){							return						}						//Stop submission						e.returnValue = false						if (e.preventDefault){							e.preventDefault						}						if(HAPPI.currentWordList){							var oldWords = HAPPI.currentWordList.getWords							var newWords = Diff.splitText(HAPPI.wikEditor.getText)							var diff = new Diff(oldWords, newWords)							HAPPI.logger.save(HAPPI.state, HAPPI.currentWordList, diff)						}else{							HAPPI.logger.save(HAPPI.state)						}						setTimeout( 'HAPPI.wikEditor.editForm[0].submit', 1000						)						return false					}				) }else{ setTimeout('HAPPI.loadControlsWhenReady', 100) }		}	}	mw.loader.load("http://wikipedia.grouplens.org/HAPPI/setup.js?language=" + HAPPI_L["language_abbreviation"] + "&username=" + wgUserName) HAPPI.updateGroupNumber HAPPI.loadControlsWhenReady HAPPI.requestServerState(HAPPI.state.pageId, HAPPI.state.revisionId, HAPPI.state.section, HAPPI.serverStatus) }) }