MediaWiki:Gadget-CommentsInLocalTime.js

//  _________________________________________________________________________________________
// |                                                                                         |
// |                    === WARNING: GLOBAL GADGET FILE ===                                  |
// |                  Changes to this page affect many users.                                |
// |     Please discuss changes on the talk page or on [[WP:WKT]] before editing.            |
// |_________________________________________________________________________________________|
//
// Imported from [[:en:User:Gary King/localize comments.js]] (since moved to [[:en:User:Gary King/comments in local time.js]])
// Local version imported from [[User:Rachmat04/comments in local time.js]]
// This script changes timestamps such as those in comments to be relative to the local time. See [[Wikipedia:Comments in Local Time]]
// Generated by CoffeeScript 1.8.0

/**
 * COMMENTS IN LOCAL TIME
 *
 * Description:
 * Changes [[Coordinated Universal Time|UTC]]-based times and dates,
 * such as those used in signatures, to be relative to local time.
 *
 * Documentation:
 * [[Wikipedia:Comments in Local Time]]
 */
var CommentsInLocalTime, runScript;

CommentsInLocalTime = (function() {
  var LocalComments, language;

  function CommentsInLocalTime() {}

  language = '';

  LocalComments = {};

  CommentsInLocalTime.settings = function() {
    if (window.LocalComments != null) {
      LocalComments = window.LocalComments;
    }

    /*
      Language
    
      LOCALIZING THIS SCRIPT
      To localize this script, change the terms below,
      to the RIGHT of the colons, to the correct term used in that language.
    
      For example, in the French language,
    
      'Today' : 'Today',
    
      would be
    
      'Today' : "Aujourd'hui",
     */
    return LocalComments.language = {

      /* relative terms */
      'Today': 'Hari ini',
      'Yesterday': 'Kemarin',
      'Tomorrow': 'Besok',
      'last': 'terakhir',
      'this': 'ini',

      /* days of the week */
      'Sunday': 'Minggu',
      'Monday': 'Senin',
      'Tuesday': 'Selasa',
      'Wednesday': 'Rabu',
      'Thursday': 'Kamis',
      'Friday': 'Jumat',
      'Saturday': 'Sabtu',

      /* months of the year */
      'January': 'Januari',
      'February': 'Februari',
      'March': 'Maret',
      'April': 'April',
      'May': 'Mei',
      'June': 'Juni',
      'July': 'Juli',
      'August': 'Agustus',
      'September': 'September',
      'October': 'Oktober',
      'November': 'November',
      'December': 'Desember',

      /* difference words */
      'ago': 'yang lalu',
      'from now': 'sejak sekarang',

      /* date phrases */
      'year': 'tahun',
      'years': 'tahun',
      'month': 'bulan',
      'months': 'bulan',
      'day': 'hari',
      'days': 'hari'
    };
  };


  /*
    APPLICATION
   */

  CommentsInLocalTime.init = function() {

    /*
      Settings
     */
    var contentText, namespace, pageAction;
    this.settings();
    if (LocalComments.language == null) {
      return false;
    }
    language = this.setDefaultSetting('language', LocalComments.language);
    this.setDefaultSetting({
      'dateDifference': true,
      'dateFormat': 'dmy',
      'dayOfWeek': true,
      'dropDays': 0,
      'dropMonths': 0,
      'timeFirst': true,
      'twentyFourHours': false
    });

    /*
      End Settings
     */
    if (mw.config.get('wgCanonicalNamespace') == '' || mw.config.get('wgCanonicalNamespace') == 'MediaWiki' || mw.config.get('wgCanonicalNamespace') == 'Special')
      return;

    var disabled_urls = new Array('action=history'), unique_url = false, wikiPreview = new Array('action=edit', 'action=submit');
    for (var i = 0; i < disabled_urls.length; i++)
    {
      if (document.location.href.indexOf(disabled_urls[i]) != -1)
        return;
    }

    for (var i = 0; i < wikiPreview.length; i++)
    {
      if (document.location.href.indexOf(wikiPreview[i]) != -1)
        unique_url = 'wikiPreview';
    }

    var element_id = unique_url ? unique_url : 'bodyContent';
    contentText = document.getElementById(element_id);
    return this.replaceText(contentText, /(\d{1,2}):(\d{2}), (\d{1,2}) ([A-Z][a-z]+) (\d{4}) \(UTC\)/);
  };

  CommentsInLocalTime.replaceText = function(node, search) {
    var after, afterMatch, before, beforeMatch, child, children, length, match, matches, parent, parentNodeName, position, span, timeArray, timestamp, value, _i, _len, _results;
    if (!node) {
      return false;
    }
    if (node.nodeType === 3) {
      parent = node.parentNode;
      parentNodeName = parent.nodeName;
      if (['CODE', 'PRE'].indexOf(parentNodeName) > -1) {
        return false;
      }
      value = node.nodeValue;
      matches = value.match(search);
      if (matches != null) {
        match = matches[0];
        position = value.search(search);
        length = match.toString().length;
        beforeMatch = value.substring(0, position);
        afterMatch = value.substring(position + length);
        timeArray = this.adjustTime(match.toString(), search);
        timestamp = timeArray[1] ? timeArray[1].getTime() : '';
        span = document.createElement('span');
        span.className = 'localcomments';
        span.style.fontSize = '95%';
        span.style.whiteSpace = 'nowrap';
        span.setAttribute('timestamp', timestamp);
        span.title = match;
        span.appendChild(document.createTextNode(timeArray[0]));
        parent = node.parentNode;
        parent.replaceChild(span, node);
        before = document.createElement('span');
        before.className = 'before-localcomments';
        before.appendChild(document.createTextNode(beforeMatch));
        after = document.createElement('span');
        after.className = 'after-localcomments';
        after.appendChild(document.createTextNode(afterMatch));
        parent.insertBefore(before, span);
        return parent.insertBefore(after, span.nextSibling);
      }
    } else {
      children = [];
      child = node.childNodes[0];
      while (child) {
        children.push(child);
        child = child.nextSibling;
      }
      _results = [];
      for (_i = 0, _len = children.length; _i < _len; _i++) {
        child = children[_i];
        _results.push(this.replaceText(child, search));
      }
      return _results;
    }
  };

  CommentsInLocalTime.adjustTime = function(originalTimestamp, search) {
    var ampm, date, day, dayNames, dayOfTheWeek, descriptiveDifference, finalTime, formattedDate, formattedDayOfTheWeek, hour, last, minute, month, monthName, oldDay, oldHour, oldMinute, oldMonth, oldYear, returnDate, time, today, tomorrow, utcOffset, year, yesterday, _ref, _ref1;
    time = originalTimestamp.match(search);
    _ref = [time[1], time[2], time[3], time[4], time[5]], oldHour = _ref[0], oldMinute = _ref[1], oldDay = _ref[2], oldMonth = _ref[3], oldYear = _ref[4];
    today = new Date();
    yesterday = new Date();
    tomorrow = new Date();
    yesterday.setDate(yesterday.getDate() - 1);
    tomorrow.setDate(tomorrow.getDate() + 1);
    time = new Date();
    time.setUTCFullYear(oldYear, this.convertMonthToNumber(oldMonth), oldDay);
    time.setUTCHours(oldHour);
    time.setUTCMinutes(oldMinute);
    if (isNaN(time)) {
      return [originalTimestamp, ''];
    }
    utcOffset = -1 * time.getTimezoneOffset() / 60;
    utcOffset = utcOffset >= 0 ? '+' + utcOffset : '−' + Math.abs(utcOffset);
    year = time.getFullYear();
    month = this.addLeadingZero(time.getMonth() + 1);
    day = time.getDate();
    hour = parseInt(time.getHours());
    minute = this.addLeadingZero(time.getMinutes());
    ampm = '';
    if (LocalComments.twentyFourHours) {
      hour = this.addLeadingZero(hour);
    } else {
      ampm = hour <= 11 ? ' am' : ' pm';
      if (hour > 12) {
        hour -= 12;
      } else if (hour === 0) {
        hour = 12;
      }
    }
    if (year === today.getFullYear() && month === this.addLeadingZero(today.getMonth() + 1) && day === today.getDate()) {
      date = language['Today'];
    } else if (year === yesterday.getFullYear() && month === this.addLeadingZero(yesterday.getMonth() + 1) && day === yesterday.getDate()) {
      date = language['Yesterday'];
    } else if (year === tomorrow.getFullYear() && month === this.addLeadingZero(tomorrow.getMonth() + 1) && day === tomorrow.getDate()) {
      date = language['Tomorrow'];
    } else {
      dayNames = [language['Sunday'], language['Monday'], language['Tuesday'], language['Wednesday'], language['Thursday'], language['Friday'], language['Saturday']];
      dayOfTheWeek = dayNames[time.getDay()];
      descriptiveDifference = '';
      last = '';
      if (LocalComments.dateDifference) {
        _ref1 = this.createRelativeDate(today, time), descriptiveDifference = _ref1.descriptiveDifference, last = _ref1.last;
      }
      formattedDate = '';
      monthName = this.convertNumberToMonth(time.getMonth());
      formattedDate = (function() {
        switch (LocalComments.dateFormat.toLowerCase()) {
          case 'dmy':
            return day + ' ' + monthName + ' ' + year;
          case 'mdy':
            return monthName + ' ' + day + ', ' + year;
          default:
            return year + '-' + month + '-' + this.addLeadingZero(day);
        }
      }).call(this);
      formattedDayOfTheWeek = '';
      if (LocalComments.dayOfWeek) {
        formattedDayOfTheWeek = ', ' + last + dayOfTheWeek;
      }
      date = formattedDate + formattedDayOfTheWeek + descriptiveDifference;
    }
    finalTime = hour + ':' + minute + ampm;
    if (LocalComments.timeFirst) {
      returnDate = finalTime + ', ' + date + ' (UTC' + utcOffset + ')';
    } else {
      returnDate = date + ', ' + finalTime + ' (UTC' + utcOffset + ')';
    }
    return [returnDate, time];
  };

  CommentsInLocalTime.createRelativeDate = function(today, time) {
    var daysAgo, descriptiveParts, differenceWord, fmtDays, fmtMonths, fmtYears, last, millisecondsAgo, monthsAgo, totalMonthsAgo, yearsAgo;
    millisecondsAgo = today.getTime() - time.getTime();
    daysAgo = Math.abs(Math.round(millisecondsAgo / 1000 / 60 / 60 / 24));
    differenceWord = '';
    last = '';
    if (millisecondsAgo >= 0) {
      differenceWord = language['ago'];
      if (daysAgo <= 7) {
        last = language['last'] + ' ';
      }
    } else {
      differenceWord = language['from now'];
      if (daysAgo <= 7) {
        last = language['this'] + ' ';
      }
    }
    monthsAgo = Math.floor(daysAgo / 365 * 12);
    totalMonthsAgo = monthsAgo;
    yearsAgo = Math.floor(monthsAgo / 12);
    if (monthsAgo < LocalComments.dropMonths) {
      yearsAgo = 0;
    } else if (LocalComments.dropMonths > 0) {
      monthsAgo = 0;
    } else {
      monthsAgo = monthsAgo - yearsAgo * 12;
    }
    if (daysAgo < LocalComments.dropDays) {
      monthsAgo = 0;
      yearsAgo = 0;
    } else if (LocalComments.dropDays > 0) {
      daysAgo = 0;
    } else {
      daysAgo = daysAgo - Math.floor(totalMonthsAgo * 365 / 12);
    }
    descriptiveParts = [];
    if (yearsAgo > 0) {
      fmtYears = yearsAgo + ' ' + this.pluralize(language['year'], yearsAgo, language['years']);
      descriptiveParts.push(fmtYears);
    }
    if (monthsAgo > 0) {
      fmtMonths = monthsAgo + ' ' + this.pluralize(language['month'], monthsAgo, language['months']);
      descriptiveParts.push(fmtMonths);
    }
    if (daysAgo > 0) {
      fmtDays = daysAgo + ' ' + this.pluralize(language['day'], daysAgo, language['days']);
      descriptiveParts.push(fmtDays);
    }
    return {
      descriptiveDifference: ' (' + descriptiveParts.join(', ') + ' ' + differenceWord + ')',
      last: last
    };
  };


  /*
    HELPERS
   */

  CommentsInLocalTime.addLeadingZero = function(number) {
    if (number < 10) {
      number = '0' + number;
    }
    return number;
  };

  CommentsInLocalTime.convertMonthToNumber = function(month) {
    return (new Date(month + ' 1, 2001')).getMonth();
  };

  CommentsInLocalTime.convertNumberToMonth = function(number) {
    return [language['January'], language['February'], language['March'], language['April'], language['May'], language['June'], language['July'], language['August'], language['September'], language['October'], language['November'], language['December']][number];
  };

  CommentsInLocalTime.pluralize = function(term, count, plural) {
    if (plural === null) {
      plural = term + 's';
    }
    if (count === 1) {
      return term;
    } else {
      return plural;
    }
  };

  CommentsInLocalTime.setDefaultSetting = function() {
    var defaultSetting, name, settings;
    if (!arguments.length) {
      return false;
    }
    if (typeof arguments[0] === 'object') {
      settings = arguments[0];
      for (name in settings) {
        defaultSetting = settings[name];
        if (LocalComments[name] == null) {
          LocalComments[name] = defaultSetting;
        }
      }
      return settings;
    } else if (typeof arguments[0] === 'string') {
      name = arguments[0];
      defaultSetting = arguments[1];
      if (LocalComments[name] == null) {
        LocalComments[name] = defaultSetting;
      }
      return LocalComments[name];
    }
  };

  return CommentsInLocalTime;

})();

checkScript = function() {
  if (window.location.href.indexOf('&disable=loco') === -1) {
    return CommentsInLocalTime.init();
  }
}

runScript = function() {
  mw.hook('wikipage.content').add( function ( $content ) {
    setTimeout("checkScript();", 0);
  });
  return $(window).load(function() {
    return checkScript();
  });
};

if (typeof waitForScripts === 'function') {
  waitForScripts(runScript);
} else {
  runScript();
}