User:Ale jrb/Scripts/userhist.js

if (histlimit === undefined) var histlimit = 40;

if (typeof histwidth === 'undefined') var histwidth = 200;

function UserHistory() {

var me = this;

this.displayBox = function(user) {

// if user is set, this name will automatically be displayed on load

if (user == null) {

user = '';

} else {

user = user.replace(/(_|%20)/gi, ' ');

user = user.replace(/(%3A)/gi, ':');

}

var box = document.createElement( 'input' );

box.setAttribute('id', 'userhist-isolate');

box.setAttribute('type', 'text');

box.setAttribute('value', user);

box.setAttribute('style', 'width: ' + histwidth + 'px');

var button = document.createElement( 'input' );

button.setAttribute('type', 'button');

button.setAttribute('value', 'Isolate history');

button.setAttribute('style', 'margin-left: 4px;');

button.addEventListener('click', function() {

userHist.getUserHist(document.getElementById('userhist-isolate').value);

}, false);

box.addEventListener('keyup', function(e) {

if (e.which === 13) {

e.preventDefault();

userHist.getUserHist(document.getElementById('userhist-isolate').value);

}

});

var span = document.createElement('span');

span.setAttribute('style','display: block; margin-top: 12px;');

span.appendChild(box);

span.appendChild(button);

document.getElementById( 'mw-history-searchform' ).parentNode.appendChild(span);

};

this.getUserHist = function(user) {

var api = 'https://en.wikipedia.org/w/api.php';

if (typeof user === 'undefined' || !user) {

return false;

}

user = user.replace(/ /g, '_');

user = user.replace(/User(:|%3A)/gi, '');

// remove useless interface

var histPar = document.getElementById('mw-history-compare');

histPar.innerHTML = 'isolating edits by ' + user + ' - please wait...';

var apiLink = '?action=query&format=xml&prop=revisions&titles='+mw.config.get('wgPageName')+'&rvprop=ids|timestamp|flags|comment|user|size&rvlimit=500&rvuser='+user+'';

this.req = new wa_ajaxcall();

this.req.requestUrl = api + apiLink;

this.req.get ( function() {

userHist.data = userHist.req.response;

userHist.showUserHist ();

return true;

} );

};

this.showUserHist = function() {

var data = this.data;

if (data.getElementsByTagName('rev').length <= 0) {

this.showError('That user has never edited this page.');

return false;

}

// get output

var output = [];

for (var i = 0; i < data.getElementsByTagName('rev').length; ++i) {

var dataset = data.getElementsByTagName('rev')[i];

output[i] = [];

output[i][0] = dataset.getAttribute('revid'); // oldid

output[i][1] = dataset.getAttribute('user'); // user

output[i][2] = dataset.getAttribute('timestamp'); // timestamp

output[i][3] = dataset.getAttribute('comment'); // comment

output[i][4] = dataset.getAttribute('size'); // size

output[i][5] = dataset.getAttribute('minor'); // minor

}

// build our own interface

var newInt = '

';

var url = 'https://en.wikipedia.org/w/index.php?title=' + mw.config.get('wgPageName');

for (var i = 0; i < output.length; i ++) {

var timestamp = me.convertTimestamp(output[i][2]);

var comment = me.parseComment(output[i][3]);

if ( output[i][5] != null ) { var m = 'm '; } else { var m = ''; }

newInt = newInt + '

• (cur | prev) '+timestamp+' '+output[i][1]+' '+m+'('+output[i][4]+' bytes) '+comment+'
';

}

newInt += '

';

var histPar = document.getElementById('mw-history-compare');

histPar.innerHTML = newInt;

};

this.showError = function(errorMessage) {

var container = document.getElementById('mw-history-compare');

container.innerHTML = 'userhist error: ' + errorMessage + '';

return true;

};

this.convertTimestamp = function(timestamp) {

var regTest = /([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})Z/g;

regTest.lastIndex = 0;

time = regTest.exec(timestamp);

if (time == null) return 'failed to parse timestamp';

var d = new Date();

var hourOffset = (d.getTimezoneOffset() / 60) * -1;

var h = parseInt( time[4], 10 ) + hourOffset;

if (h < 10 ) h = '0' + h;

var months = new Array('January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December');

var month = parseInt(time[2], 10);

var newStamp = h + ':' + time[5] + ', ' + time[3] + ' ' + months[month-1] + ' ' + time[1];

return newStamp;

};

this.parseComment = function(comment) {

if (comment == null) return '';

comment = comment.replace('/*', '→');

comment = comment.replace('*/', '');

comment = comment.replace(/\[\[(.+?)(#.+?)?(?:\|(.+?))\]\]/g, "$3");

comment = comment.replace(/\[\[(.+?)(#.+?)?\]\]/g, "$1");

comment = '(' + comment + ')';

return comment;

};

this.manageSize = function() {

var regTest = /class="history-size">\(([,0-9]+?) +?bytes\)<\/span>/ig, regMatch;

var col = { 'add': '#006400', 'remove': '#8b0000' }, results = [], i = 0;

while (regMatch = regTest.exec(document.getElementById('pagehistory').innerHTML)) {

results [ i ++ ] = parseInt(regMatch [1].replace(',', ''), 10);

if (i > histlimit) break;

}

for (var i = 0, l = results.length; i < (l - 1); ++i) {

var addition = results [i] - results [i + 1];

if (addition === 0) { var rep = '0'; } else

if (addition < 0) { var rep = '' + addition + ''; } else { var rep = '+' + addition + ''; }

document.getElementById('pagehistory').innerHTML = document.getElementById('pagehistory').innerHTML.replace(/class="history-size">\(([,0-9]+?) +?bytes\)<\/span>/i, "class=\"historysize\">(" + rep + ", $1 bytes)");

}

};

this.init = function() {

if (mw.config.get('wgAction') == 'history' && mw.config.get('wgArticleId')) {

if ( ( window.location.href.indexOf('&isolate=') > -1) && (window.location.href.indexOf('&offset=') == -1) && (window.location.href.indexOf('&limit=') == -1)) {

var user = window.location.href.substr(window.location.href.indexOf('&isolate=') + 9);

me.getUserHist(user);

} else {

//me.manageSize (); - FIXME: prevents the history diff selectors from working correctly

var user = '';

}

me.displayBox(user);

} else if ((mw.config.get('wgAction') == 'view') && (mw.config.get('wgCanonicalSpecialPageName') == 'Contributions') && (mw.config.exists('wgRelevantUserName'))) {

var user = mw.config.get('wgRelevantUserName');

user = mw.util.isIPAddress(user) ? user : 'User:' + user;

var list = $('.mw-changeslist-history');

list.each(function(idx, el) {

var span = document.createElement('span');

span.innerHTML = "all";

el.parentNode.parentNode.insertBefore(span, null);

});

}

};

}

importScript('User:Ale_jrb/Scripts/waLib.js');

var userHist = new UserHistory();

$(userHist.init);