resources/src/mediawiki.widgets.datetime/ProlepticGregorianDateTimeFormatter.js

   1 ( function ( $, mw ) {
   2
   3         /**
   4          * Provides various methods needed for formatting dates and times. This
   5          * implementation implments the proleptic Gregorian calendar over years
   6          * 0000–9999.
   7          *
   8          * @class
   9          * @extends mw.widgets.datetime.DateTimeFormatter
  10          *
  11          * @constructor
  12          * @param {Object} [config] Configuration options
  13          * @cfg {Object} [fullMonthNames] Mapping 1–12 to full month names.
  14          * @cfg {Object} [shortMonthNames] Mapping 1–12 to abbreviated month names.
  15          *  If {@link #fullMonthNames fullMonthNames} is given and this is not,
  16          *  defaults to the first three characters from that setting.
  17          * @cfg {Object} [fullDayNames] Mapping 0–6 to full day of week names. 0 is Sunday, 6 is Saturday.
  18          * @cfg {Object} [shortDayNames] Mapping 0–6 to abbreviated day of week names. 0 is Sunday, 6 is Saturday.
  19          *  If {@link #fullDayNames fullDayNames} is given and this is not, defaults to
  20          *  the first three characters from that setting.
  21          * @cfg {string[]} [dayLetters] Weekday column headers for a calendar. Array of 7 strings.
  22          *  If {@link #fullDayNames fullDayNames} or {@link #shortDayNames shortDayNames}
  23          *  are given and this is not, defaults to the first character from
  24          *  shortDayNames.
  25          * @cfg {string[]} [hour12Periods] AM and PM texts. Array of 2 strings, AM and PM.
  26          * @cfg {number} [weekStartsOn=0] What day the week starts on: 0 is Sunday, 1 is Monday, 6 is Saturday.
  27          */
  28         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter = function MwWidgetsDatetimeProlepticGregorianDateTimeFormatter( config ) {
  29                 var statick = this.constructor[ 'static' ];
  30
  31                 statick.setupDefaults();
  32
  33                 config = $.extend( {
  34                         weekStartsOn: 0,
  35                         hour12Periods: statick.hour12Periods
  36                 }, config );
  37
  38                 if ( config.fullMonthNames && !config.shortMonthNames ) {
  39                         config.shortMonthNames = {};
  40                         $.each( config.fullMonthNames, function ( k, v ) {
  41                                 config.shortMonthNames[ k ] = v.substr( 0, 3 );
  42                         }.bind( this ) );
  43                 }
  44                 if ( config.shortDayNames && !config.dayLetters ) {
  45                         config.dayLetters = [];
  46                         $.each( config.shortDayNames, function ( k, v ) {
  47                                 config.dayLetters[ k ] = v.substr( 0, 1 );
  48                         }.bind( this ) );
  49                 }
  50                 if ( config.fullDayNames && !config.dayLetters ) {
  51                         config.dayLetters = [];
  52                         $.each( config.fullDayNames, function ( k, v ) {
  53                                 config.dayLetters[ k ] = v.substr( 0, 1 );
  54                         }.bind( this ) );
  55                 }
  56                 if ( config.fullDayNames && !config.shortDayNames ) {
  57                         config.shortDayNames = {};
  58                         $.each( config.fullDayNames, function ( k, v ) {
  59                                 config.shortDayNames[ k ] = v.substr( 0, 3 );
  60                         }.bind( this ) );
  61                 }
  62                 config = $.extend( {
  63                         fullMonthNames: statick.fullMonthNames,
  64                         shortMonthNames: statick.shortMonthNames,
  65                         fullDayNames: statick.fullDayNames,
  66                         shortDayNames: statick.shortDayNames,
  67                         dayLetters: statick.dayLetters
  68                 }, config );
  69
  70                 // Parent constructor
  71                 mw.widgets.datetime.ProlepticGregorianDateTimeFormatter[ 'super' ].call( this, config );
  72
  73                 // Properties
  74                 this.weekStartsOn = config.weekStartsOn % 7;
  75                 this.fullMonthNames = config.fullMonthNames;
  76                 this.shortMonthNames = config.shortMonthNames;
  77                 this.fullDayNames = config.fullDayNames;
  78                 this.shortDayNames = config.shortDayNames;
  79                 this.dayLetters = config.dayLetters;
  80                 this.hour12Periods = config.hour12Periods;
  81         };
  82
  83         /* Setup */
  84
  85         OO.inheritClass( mw.widgets.datetime.ProlepticGregorianDateTimeFormatter, mw.widgets.datetime.DateTimeFormatter );
  86
  87         /* Static */
  88
  89         /**
  90          * @inheritdoc
  91          */
  92         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter[ 'static' ].formats = {
  93                 '@time': '${hour|0}:${minute|0}:${second|0}',
  94                 '@date': '$!{dow|short} ${day|#} ${month|short} ${year|#}',
  95                 '@datetime': '$!{dow|short} ${day|#} ${month|short} ${year|#} ${hour|0}:${minute|0}:${second|0} $!{zone|short}',
  96                 '@default': '$!{dow|short} ${day|#} ${month|short} ${year|#} ${hour|0}:${minute|0}:${second|0} $!{zone|short}'
  97         };
  98
  99         /**
 100          * Default full month names.
 101          *
 102          * @static
 103          * @inheritable
 104          * @property {Object}
 105          */
 106         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter[ 'static' ].fullMonthNames = null;
 107
 108         /**
 109          * Default abbreviated month names.
 110          *
 111          * @static
 112          * @inheritable
 113          * @property {Object}
 114          */
 115         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter[ 'static' ].shortMonthNames = null;
 116
 117         /**
 118          * Default full day of week names.
 119          *
 120          * @static
 121          * @inheritable
 122          * @property {Object}
 123          */
 124         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter[ 'static' ].fullDayNames = null;
 125
 126         /**
 127          * Default abbreviated day of week names.
 128          *
 129          * @static
 130          * @inheritable
 131          * @property {Object}
 132          */
 133         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter[ 'static' ].shortDayNames = null;
 134
 135         /**
 136          * Default day letters.
 137          *
 138          * @static
 139          * @inheritable
 140          * @property {string[]}
 141          */
 142         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter[ 'static' ].dayLetters = null;
 143
 144         /**
 145          * Default AM/PM indicators
 146          *
 147          * @static
 148          * @inheritable
 149          * @property {string[]}
 150          */
 151         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter[ 'static' ].hour12Periods = null;
 152
 153         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter[ 'static' ].setupDefaults = function () {
 154                 mw.widgets.datetime.DateTimeFormatter[ 'static' ].setupDefaults.call( this );
 155
 156                 if ( this.fullMonthNames && !this.shortMonthNames ) {
 157                         this.shortMonthNames = {};
 158                         $.each( this.fullMonthNames, function ( k, v ) {
 159                                 this.shortMonthNames[ k ] = v.substr( 0, 3 );
 160                         }.bind( this ) );
 161                 }
 162                 if ( this.shortDayNames && !this.dayLetters ) {
 163                         this.dayLetters = [];
 164                         $.each( this.shortDayNames, function ( k, v ) {
 165                                 this.dayLetters[ k ] = v.substr( 0, 1 );
 166                         }.bind( this ) );
 167                 }
 168                 if ( this.fullDayNames && !this.dayLetters ) {
 169                         this.dayLetters = [];
 170                         $.each( this.fullDayNames, function ( k, v ) {
 171                                 this.dayLetters[ k ] = v.substr( 0, 1 );
 172                         }.bind( this ) );
 173                 }
 174                 if ( this.fullDayNames && !this.shortDayNames ) {
 175                         this.shortDayNames = {};
 176                         $.each( this.fullDayNames, function ( k, v ) {
 177                                 this.shortDayNames[ k ] = v.substr( 0, 3 );
 178                         }.bind( this ) );
 179                 }
 180
 181                 if ( !this.fullMonthNames ) {
 182                         this.fullMonthNames = {
 183                                 1: mw.msg( 'january' ),
 184                                 2: mw.msg( 'february' ),
 185                                 3: mw.msg( 'march' ),
 186                                 4: mw.msg( 'april' ),
 187                                 5: mw.msg( 'may_long' ),
 188                                 6: mw.msg( 'june' ),
 189                                 7: mw.msg( 'july' ),
 190                                 8: mw.msg( 'august' ),
 191                                 9: mw.msg( 'september' ),
 192                                 10: mw.msg( 'october' ),
 193                                 11: mw.msg( 'november' ),
 194                                 12: mw.msg( 'december' )
 195                         };
 196                 }
 197                 if ( !this.shortMonthNames ) {
 198                         this.shortMonthNames = {
 199                                 1: mw.msg( 'jan' ),
 200                                 2: mw.msg( 'feb' ),
 201                                 3: mw.msg( 'mar' ),
 202                                 4: mw.msg( 'apr' ),
 203                                 5: mw.msg( 'may' ),
 204                                 6: mw.msg( 'jun' ),
 205                                 7: mw.msg( 'jul' ),
 206                                 8: mw.msg( 'aug' ),
 207                                 9: mw.msg( 'sep' ),
 208                                 10: mw.msg( 'oct' ),
 209                                 11: mw.msg( 'nov' ),
 210                                 12: mw.msg( 'dec' )
 211                         };
 212                 }
 213
 214                 if ( !this.fullDayNames ) {
 215                         this.fullDayNames = {
 216                                 0: mw.msg( 'sunday' ),
 217                                 1: mw.msg( 'monday' ),
 218                                 2: mw.msg( 'tuesday' ),
 219                                 3: mw.msg( 'wednesday' ),
 220                                 4: mw.msg( 'thursday' ),
 221                                 5: mw.msg( 'friday' ),
 222                                 6: mw.msg( 'saturday' )
 223                         };
 224                 }
 225                 if ( !this.shortDayNames ) {
 226                         this.shortDayNames = {
 227                                 0: mw.msg( 'sun' ),
 228                                 1: mw.msg( 'mon' ),
 229                                 2: mw.msg( 'tue' ),
 230                                 3: mw.msg( 'wed' ),
 231                                 4: mw.msg( 'thu' ),
 232                                 5: mw.msg( 'fri' ),
 233                                 6: mw.msg( 'sat' )
 234                         };
 235                 }
 236                 if ( !this.dayLetters ) {
 237                         this.dayLetters = [];
 238                         $.each( this.shortDayNames, function ( k, v ) {
 239                                 this.dayLetters[ k ] = v.substr( 0, 1 );
 240                         }.bind( this ) );
 241                 }
 242
 243                 if ( !this.hour12Periods ) {
 244                         this.hour12Periods = [
 245                                 mw.msg( 'period-am' ),
 246                                 mw.msg( 'period-pm' )
 247                         ];
 248                 }
 249         };
 250
 251         /* Methods */
 252
 253         /**
 254          * @inheritdoc
 255          *
 256          * Additional fields implemented here are:
 257          * - ${year|#}: Year as a number
 258          * - ${year|0}: Year as a number, zero-padded to 4 digits
 259          * - ${month|#}: Month as a number
 260          * - ${month|0}: Month as a number with leading 0
 261          * - ${month|short}: Month from 'shortMonthNames' configuration setting
 262          * - ${month|full}: Month from 'fullMonthNames' configuration setting
 263          * - ${day|#}: Day of the month as a number
 264          * - ${day|0}: Day of the month as a number with leading 0
 265          * - ${dow|short}: Day of the week from 'shortDayNames' configuration setting
 266          * - ${dow|full}: Day of the week from 'fullDayNames' configuration setting
 267          * - ${hour|#}: Hour as a number
 268          * - ${hour|0}: Hour as a number with leading 0
 269          * - ${hour|12}: Hour in a 12-hour clock as a number
 270          * - ${hour|012}: Hour in a 12-hour clock as a number, with leading 0
 271          * - ${hour|period}: Value from 'hour12Periods' configuration setting
 272          * - ${minute|#}: Minute as a number
 273          * - ${minute|0}: Minute as a number with leading 0
 274          * - ${second|#}: Second as a number
 275          * - ${second|0}: Second as a number with leading 0
 276          * - ${millisecond|#}: Millisecond as a number
 277          * - ${millisecond|0}: Millisecond as a number, zero-padded to 3 digits
 278          */
 279         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter.prototype.getFieldForTag = function ( tag, params ) {
 280                 var spec = null;
 281
 282                 switch ( tag + '|' + params[ 0 ] ) {
 283                         case 'year|#':
 284                         case 'year|0':
 285                                 spec = {
 286                                         component: 'year',
 287                                         type: 'number',
 288                                         size: 4,
 289                                         zeropad: params[ 0 ] === '0'
 290                                 };
 291                                 break;
 292
 293                         case 'month|short':
 294                         case 'month|full':
 295                                 spec = {
 296                                         component: 'month',
 297                                         type: 'string',
 298                                         values: params[ 0 ] === 'short' ? this.shortMonthNames : this.fullMonthNames
 299                                 };
 300                                 break;
 301
 302                         case 'dow|short':
 303                         case 'dow|full':
 304                                 spec = {
 305                                         component: 'dow',
 306                                         editable: false,
 307                                         type: 'string',
 308                                         values: params[ 0 ] === 'short' ? this.shortDayNames : this.fullDayNames
 309                                 };
 310                                 break;
 311
 312                         case 'month|#':
 313                         case 'month|0':
 314                         case 'day|#':
 315                         case 'day|0':
 316                         case 'hour|#':
 317                         case 'hour|0':
 318                         case 'minute|#':
 319                         case 'minute|0':
 320                         case 'second|#':
 321                         case 'second|0':
 322                                 spec = {
 323                                         component: tag,
 324                                         type: 'number',
 325                                         size: 2,
 326                                         zeropad: params[ 0 ] === '0'
 327                                 };
 328                                 break;
 329
 330                         case 'hour|12':
 331                         case 'hour|012':
 332                                 spec = {
 333                                         component: 'hour12',
 334                                         type: 'number',
 335                                         size: 2,
 336                                         zeropad: params[ 0 ] === '012'
 337                                 };
 338                                 break;
 339
 340                         case 'hour|period':
 341                                 spec = {
 342                                         component: 'hour12period',
 343                                         type: 'boolean',
 344                                         values: this.hour12Periods
 345                                 };
 346                                 break;
 347
 348                         case 'millisecond|#':
 349                         case 'millisecond|0':
 350                                 spec = {
 351                                         component: 'millisecond',
 352                                         type: 'number',
 353                                         size: 3,
 354                                         zeropad: params[ 0 ] === '0'
 355                                 };
 356                                 break;
 357
 358                         default:
 359                                 return mw.widgets.datetime.ProlepticGregorianDateTimeFormatter[ 'super' ].prototype.getFieldForTag.call( this, tag, params );
 360                 }
 361
 362                 if ( spec ) {
 363                         if ( spec.editable === undefined ) {
 364                                 spec.editable = true;
 365                         }
 366                         spec.formatValue = this.formatSpecValue;
 367                         spec.parseValue = this.parseSpecValue;
 368                         if ( spec.values ) {
 369                                 spec.size = Math.max.apply(
 370                                         null, $.map( spec.values, function ( v ) { return v.length; } )
 371                                 );
 372                         }
 373                 }
 374
 375                 return spec;
 376         };
 377
 378         /**
 379          * Get components from a Date object
 380          *
 381          * Components are:
 382          * - year {number}
 383          * - month {number} (1-12)
 384          * - day {number} (1-31)
 385          * - dow {number} (0-6, 0 is Sunday)
 386          * - hour {number} (0-23)
 387          * - hour12 {number} (1-12)
 388          * - hour12period {boolean}
 389          * - minute {number} (0-59)
 390          * - second {number} (0-59)
 391          * - millisecond {number} (0-999)
 392          * - zone {number}
 393          *
 394          * @param {Date|null} date
 395          * @return {Object} Components
 396          */
 397         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter.prototype.getComponentsFromDate = function ( date ) {
 398                 var ret;
 399
 400                 if ( !( date instanceof Date ) ) {
 401                         date = this.defaultDate;
 402                 }
 403
 404                 if ( this.local ) {
 405                         ret = {
 406                                 year: date.getFullYear(),
 407                                 month: date.getMonth() + 1,
 408                                 day: date.getDate(),
 409                                 dow: date.getDay() % 7,
 410                                 hour: date.getHours(),
 411                                 minute: date.getMinutes(),
 412                                 second: date.getSeconds(),
 413                                 millisecond: date.getMilliseconds(),
 414                                 zone: date.getTimezoneOffset()
 415                         };
 416                 } else {
 417                         ret = {
 418                                 year: date.getUTCFullYear(),
 419                                 month: date.getUTCMonth() + 1,
 420                                 day: date.getUTCDate(),
 421                                 dow: date.getUTCDay() % 7,
 422                                 hour: date.getUTCHours(),
 423                                 minute: date.getUTCMinutes(),
 424                                 second: date.getUTCSeconds(),
 425                                 millisecond: date.getUTCMilliseconds(),
 426                                 zone: 0
 427                         };
 428                 }
 429
 430                 ret.hour12period = ret.hour >= 12 ? 1 : 0;
 431                 ret.hour12 = ret.hour % 12;
 432                 if ( ret.hour12 === 0 ) {
 433                         ret.hour12 = 12;
 434                 }
 435
 436                 return ret;
 437         };
 438
 439         /**
 440          * @inheritdoc
 441          */
 442         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter.prototype.getDateFromComponents = function ( components ) {
 443                 var date = new Date();
 444
 445                 components = $.extend( {}, components );
 446                 if ( components.hour === undefined && components.hour12 !== undefined && components.hour12period !== undefined ) {
 447                         components.hour = ( components.hour12 % 12 ) + ( components.hour12period ? 12 : 0 );
 448                 }
 449                 components = $.extend( {}, this.getComponentsFromDate( null ), components );
 450
 451                 if ( components.zone ) {
 452                         // Can't just use the constructor because that's stupid about ancient years.
 453                         date.setFullYear( components.year, components.month - 1, components.day );
 454                         date.setHours( components.hour, components.minute, components.second, components.millisecond );
 455                 } else {
 456                         // Date.UTC() is stupid about ancient years too.
 457                         date.setUTCFullYear( components.year, components.month - 1, components.day );
 458                         date.setUTCHours( components.hour, components.minute, components.second, components.millisecond );
 459                 }
 460
 461                 return date;
 462         };
 463
 464         /**
 465          * @inheritdoc
 466          */
 467         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter.prototype.adjustComponent = function ( date, component, delta, mode ) {
 468                 var min, max, range, components;
 469
 470                 if ( !( date instanceof Date ) ) {
 471                         date = this.defaultDate;
 472                 }
 473                 components = this.getComponentsFromDate( date );
 474
 475                 switch ( component ) {
 476                         case 'year':
 477                                 min = 0;
 478                                 max = 9999;
 479                                 break;
 480                         case 'month':
 481                                 min = 1;
 482                                 max = 12;
 483                                 break;
 484                         case 'day':
 485                                 min = 1;
 486                                 max = this.getDaysInMonth( components.month, components.year );
 487                                 break;
 488                         case 'hour':
 489                                 min = 0;
 490                                 max = 23;
 491                                 break;
 492                         case 'minute':
 493                         case 'second':
 494                                 min = 0;
 495                                 max = 59;
 496                                 break;
 497                         case 'millisecond':
 498                                 min = 0;
 499                                 max = 999;
 500                                 break;
 501                         case 'hour12period':
 502                                 component = 'hour';
 503                                 min = 0;
 504                                 max = 23;
 505                                 delta *= 12;
 506                                 break;
 507                         case 'hour12':
 508                                 component = 'hour';
 509                                 min = components.hour12period ? 12 : 0;
 510                                 max = components.hour12period ? 23 : 11;
 511                                 break;
 512                         default:
 513                                 return new Date( date.getTime() );
 514                 }
 515
 516                 components[ component ] += delta;
 517                 range = max - min + 1;
 518                 switch ( mode ) {
 519                         case 'overflow':
 520                                 // Date() will mostly handle it automatically. But months need
 521                                 // manual handling to prevent e.g. Jan 31 => Mar 3.
 522                                 if ( component === 'month' || component === 'year' ) {
 523                                         while ( components.month < 1 ) {
 524                                                 components[ component ] += 12;
 525                                                 components.year--;
 526                                         }
 527                                         while ( components.month > 12 ) {
 528                                                 components[ component ] -= 12;
 529                                                 components.year++;
 530                                         }
 531                                 }
 532                                 break;
 533                         case 'wrap':
 534                                 while ( components[ component ] < min ) {
 535                                         components[ component ] += range;
 536                                 }
 537                                 while ( components[ component ] > max ) {
 538                                         components[ component ] -= range;
 539                                 }
 540                                 break;
 541                         case 'clip':
 542                                 if ( components[ component ] < min ) {
 543                                         components[ component ] = min;
 544                                 }
 545                                 if ( components[ component ] < max ) {
 546                                         components[ component ] = max;
 547                                 }
 548                                 break;
 549                 }
 550                 if ( component === 'month' || component === 'year' ) {
 551                         components.day = Math.min( components.day, this.getDaysInMonth( components.month, components.year ) );
 552                 }
 553
 554                 return this.getDateFromComponents( components );
 555         };
 556
 557         /**
 558          * Get the number of days in a month
 559          *
 560          * @protected
 561          * @param {number} month
 562          * @param {number} year
 563          * @return {number}
 564          */
 565         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter.prototype.getDaysInMonth = function ( month, year ) {
 566                 switch ( month ) {
 567                         case 4:
 568                         case 6:
 569                         case 9:
 570                         case 11:
 571                                 return 30;
 572                         case 2:
 573                                 if ( year % 4 ) {
 574                                         return 28;
 575                                 } else if ( year % 100 ) {
 576                                         return 29;
 577                                 }
 578                                 return ( year % 400 ) ? 28 : 29;
 579                         default:
 580                                 return 31;
 581                 }
 582         };
 583
 584         /**
 585          * @inheritdoc
 586          */
 587         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter.prototype.getCalendarHeadings = function () {
 588                 var a = this.dayLetters;
 589
 590                 if ( this.weekStartsOn ) {
 591                         return a.slice( this.weekStartsOn ).concat( a.slice( 0, this.weekStartsOn ) );
 592                 } else {
 593                         return a.slice( 0 ); // clone
 594                 }
 595         };
 596
 597         /**
 598          * @inheritdoc
 599          */
 600         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter.prototype.sameCalendarGrid = function ( date1, date2 ) {
 601                 if ( this.local ) {
 602                         return date1.getFullYear() === date2.getFullYear() && date1.getMonth() === date2.getMonth();
 603                 } else {
 604                         return date1.getUTCFullYear() === date2.getUTCFullYear() && date1.getUTCMonth() === date2.getUTCMonth();
 605                 }
 606         };
 607
 608         /**
 609          * @inheritdoc
 610          */
 611         mw.widgets.datetime.ProlepticGregorianDateTimeFormatter.prototype.getCalendarData = function ( date ) {
 612                 var dt, t, d, e, i, row,
 613                         getDate = this.local ? 'getDate' : 'getUTCDate',
 614                         setDate = this.local ? 'setDate' : 'setUTCDate',
 615                         ret = {
 616                                 dayComponent: 'day',
 617                                 monthComponent: 'month'
 618                         };
 619
 620                 if ( !( date instanceof Date ) ) {
 621                         date = this.defaultDate;
 622                 }
 623
 624                 dt = new Date( date.getTime() );
 625                 dt[ setDate ]( 1 );
 626                 t = dt.getTime();
 627
 628                 if ( this.local ) {
 629                         ret.header = this.fullMonthNames[ dt.getMonth() + 1 ] + ' ' + dt.getFullYear();
 630                         d = dt.getDay() % 7;
 631                         e = this.getDaysInMonth( dt.getMonth() + 1, dt.getFullYear() );
 632                 } else {
 633                         ret.header = this.fullMonthNames[ dt.getUTCMonth() + 1 ] + ' ' + dt.getUTCFullYear();
 634                         d = dt.getUTCDay() % 7;
 635                         e = this.getDaysInMonth( dt.getUTCMonth() + 1, dt.getUTCFullYear() );
 636                 }
 637
 638                 if ( this.weekStartsOn ) {
 639                         d = ( d + 7 - this.weekStartsOn ) % 7;
 640                 }
 641                 d = 1 - d;
 642
 643                 ret.rows = [];
 644                 while ( d <= e ) {
 645                         row = [];
 646                         for ( i = 0; i < 7; i++, d++ ) {
 647                                 dt = new Date( t );
 648                                 dt[ setDate ]( d );
 649                                 row[ i ] = {
 650                                         display: String( dt[ getDate ]() ),
 651                                         date: dt,
 652                                         extra: d < 1 ? 'prev' : d > e ? 'next' : null
 653                                 };
 654                         }
 655                         ret.rows.push( row );
 656                 }
 657
 658                 return ret;
 659         };
 660
 661 }( jQuery, mediaWiki ) );