[ Index ]

PHP Cross Reference of Drupal 6 (gatewave)

title

Body

[close]

/sites/all/modules/jquery_ui/jquery.ui.old/ui/ -> ui.datepicker.js (source)

   1  /*

   2   * jQuery UI Datepicker 1.6

   3   *

   4   * Copyright (c) 2008 AUTHORS.txt (http://ui.jquery.com/about)

   5   * Dual licensed under the MIT (MIT-LICENSE.txt)

   6   * and GPL (GPL-LICENSE.txt) licenses.

   7   *

   8   * http://docs.jquery.com/UI/Datepicker

   9   *

  10   * Depends:

  11   *    ui.core.js

  12   */
  13  
  14  (function($) { // hide the namespace
  15  
  16  $.extend($.ui, { datepicker: { version: "1.6" } });
  17  
  18  var PROP_NAME = 'datepicker';
  19  
  20  /* Date picker manager.

  21     Use the singleton instance of this class, $.datepicker, to interact with the date picker.

  22     Settings for (groups of) date pickers are maintained in an instance object,

  23     allowing multiple different settings on the same page. */
  24  
  25  function Datepicker() {
  26      this.debug = false; // Change this to true to start debugging

  27      this._curInst = null; // The current instance in use

  28      this._keyEvent = false; // If the last event was a key event

  29      this._disabledInputs = []; // List of date picker inputs that have been disabled

  30      this._datepickerShowing = false; // True if the popup picker is showing , false if not

  31      this._inDialog = false; // True if showing within a "dialog", false if not

  32      this._mainDivId = 'ui-datepicker-div'; // The ID of the main datepicker division

  33      this._inlineClass = 'ui-datepicker-inline'; // The name of the inline marker class

  34      this._appendClass = 'ui-datepicker-append'; // The name of the append marker class

  35      this._triggerClass = 'ui-datepicker-trigger'; // The name of the trigger marker class

  36      this._dialogClass = 'ui-datepicker-dialog'; // The name of the dialog marker class

  37      this._promptClass = 'ui-datepicker-prompt'; // The name of the dialog prompt marker class

  38      this._disableClass = 'ui-datepicker-disabled'; // The name of the disabled covering marker class

  39      this._unselectableClass = 'ui-datepicker-unselectable'; // The name of the unselectable cell marker class

  40      this._currentClass = 'ui-datepicker-current-day'; // The name of the current day marker class

  41      this._dayOverClass = 'ui-datepicker-days-cell-over'; // The name of the day hover marker class

  42      this._weekOverClass = 'ui-datepicker-week-over'; // The name of the week hover marker class

  43      this.regional = []; // Available regional settings, indexed by language code

  44      this.regional[''] = { // Default regional settings
  45          clearText: 'Clear', // Display text for clear link
  46          clearStatus: 'Erase the current date', // Status text for clear link
  47          closeText: 'Close', // Display text for close link
  48          closeStatus: 'Close without change', // Status text for close link
  49          prevText: '<Prev', // Display text for previous month link
  50          prevStatus: 'Show the previous month', // Status text for previous month link
  51          prevBigText: '<<', // Display text for previous year link
  52          prevBigStatus: 'Show the previous year', // Status text for previous year link
  53          nextText: 'Next>', // Display text for next month link
  54          nextStatus: 'Show the next month', // Status text for next month link
  55          nextBigText: '>>', // Display text for next year link
  56          nextBigStatus: 'Show the next year', // Status text for next year link
  57          currentText: 'Today', // Display text for current month link
  58          currentStatus: 'Show the current month', // Status text for current month link
  59          monthNames: ['January','February','March','April','May','June',
  60              'July','August','September','October','November','December'], // Names of months for drop-down and formatting
  61          monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'], // For formatting
  62          monthStatus: 'Show a different month', // Status text for selecting a month
  63          yearStatus: 'Show a different year', // Status text for selecting a year
  64          weekHeader: 'Wk', // Header for the week of the year column
  65          weekStatus: 'Week of the year', // Status text for the week of the year column
  66          dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], // For formatting
  67          dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // For formatting
  68          dayNamesMin: ['Su','Mo','Tu','We','Th','Fr','Sa'], // Column headings for days starting at Sunday
  69          dayStatus: 'Set DD as first week day', // Status text for the day of the week selection
  70          dateStatus: 'Select DD, M d', // Status text for the date selection
  71          dateFormat: 'mm/dd/yy', // See format options on parseDate
  72          firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
  73          initStatus: 'Select a date', // Initial Status text on opening
  74          isRTL: false // True if right-to-left language, false if left-to-right
  75      };
  76      this._defaults = { // Global defaults for all the date picker instances
  77          showOn: 'focus', // 'focus' for popup on focus,
  78              // 'button' for trigger button, or 'both' for either

  79          showAnim: 'show', // Name of jQuery animation for popup
  80          showOptions: {}, // Options for enhanced animations
  81          defaultDate: null, // Used when field is blank: actual date,
  82              // +/-number for offset from today, null for today

  83          appendText: '', // Display text following the input box, e.g. showing the format
  84          buttonText: '...', // Text for trigger button
  85          buttonImage: '', // URL for trigger button image
  86          buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
  87          closeAtTop: true, // True to have the clear/close at the top,
  88              // false to have them at the bottom

  89          mandatory: false, // True to hide the Clear link, false to include it
  90          hideIfNoPrevNext: false, // True to hide next/previous month links
  91              // if not applicable, false to just disable them

  92          navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
  93          showBigPrevNext: false, // True to show big prev/next links
  94          gotoCurrent: false, // True if today link goes back to current selection instead
  95          changeMonth: true, // True if month can be selected directly, false if only prev/next
  96          changeYear: true, // True if year can be selected directly, false if only prev/next
  97          showMonthAfterYear: false, // True if the year select precedes month, false for month then year
  98          yearRange: '-10:+10', // Range of years to display in drop-down,
  99              // either relative to current year (-nn:+nn) or absolute (nnnn:nnnn)

 100          changeFirstDay: true, // True to click on day name to change, false to remain as set
 101          highlightWeek: false, // True to highlight the selected week
 102          showOtherMonths: false, // True to show dates in other months, false to leave blank
 103          showWeeks: false, // True to show week of the year, false to omit
 104          calculateWeek: this.iso8601Week, // How to calculate the week of the year,
 105              // takes a Date and returns the number of the week for it

 106          shortYearCutoff: '+10', // Short year values < this are in the current century,
 107              // > this are in the previous century,

 108              // string value starting with '+' for current year + value

 109          showStatus: false, // True to show status bar at bottom, false to not show it
 110          statusForDate: this.dateStatus, // Function to provide status text for a date -
 111              // takes date and instance as parameters, returns display text

 112          minDate: null, // The earliest selectable date, or null for no limit
 113          maxDate: null, // The latest selectable date, or null for no limit
 114          duration: 'normal', // Duration of display/closure
 115          beforeShowDay: null, // Function that takes a date and returns an array with
 116              // [0] = true if selectable, false if not, [1] = custom CSS class name(s) or '',

 117              // [2] = cell title (optional), e.g. $.datepicker.noWeekends

 118          beforeShow: null, // Function that takes an input field and
 119              // returns a set of custom settings for the date picker

 120          onSelect: null, // Define a callback function when a date is selected
 121          onChangeMonthYear: null, // Define a callback function when the month or year is changed
 122          onClose: null, // Define a callback function when the datepicker is closed
 123          numberOfMonths: 1, // Number of months to show at a time
 124          showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
 125          stepMonths: 1, // Number of months to step back/forward
 126          stepBigMonths: 12, // Number of months to step back/forward for the big links
 127          rangeSelect: false, // Allows for selecting a date range on one date picker
 128          rangeSeparator: ' - ', // Text between two dates in a range
 129          altField: '', // Selector for an alternate field to store selected dates into
 130          altFormat: '', // The date format to use for the alternate field
 131          constrainInput: true // The input is constrained by the current date format
 132      };
 133      $.extend(this._defaults, this.regional['']);
 134      this.dpDiv = $('<div id="' + this._mainDivId + '" style="display: none;"></div>');
 135  }
 136  
 137  $.extend(Datepicker.prototype, {
 138      /* Class name added to elements to indicate already configured with a date picker. */

 139      markerClassName: 'hasDatepicker',
 140  
 141      /* Debug logging (if enabled). */

 142      log: function () {
 143          if (this.debug)
 144              console.log.apply('', arguments);
 145      },
 146  
 147      /* Override the default settings for all instances of the date picker.

 148         @param  settings  object - the new settings to use as defaults (anonymous object)

 149         @return the manager object */
 150      setDefaults: function(settings) {
 151          extendRemove(this._defaults, settings || {});
 152          return this;
 153      },
 154  
 155      /* Attach the date picker to a jQuery selection.

 156         @param  target    element - the target input field or division or span

 157         @param  settings  object - the new settings to use for this date picker instance (anonymous) */
 158      _attachDatepicker: function(target, settings) {
 159          // check for settings on the control itself - in namespace 'date:'

 160          var inlineSettings = null;
 161          for (var attrName in this._defaults) {
 162              var attrValue = target.getAttribute('date:' + attrName);
 163              if (attrValue) {
 164                  inlineSettings = inlineSettings || {};
 165                  try {
 166                      inlineSettings[attrName] = eval(attrValue);
 167                  } catch (err) {
 168                      inlineSettings[attrName] = attrValue;
 169                  }
 170              }
 171          }
 172          var nodeName = target.nodeName.toLowerCase();
 173          var inline = (nodeName == 'div' || nodeName == 'span');
 174          if (!target.id)
 175              target.id = 'dp' + (++this.uuid);
 176          var inst = this._newInst($(target), inline);
 177          inst.settings = $.extend({}, settings || {}, inlineSettings || {});
 178          if (nodeName == 'input') {
 179              this._connectDatepicker(target, inst);
 180          } else if (inline) {
 181              this._inlineDatepicker(target, inst);
 182          }
 183      },
 184  
 185      /* Create a new instance object. */

 186      _newInst: function(target, inline) {
 187          var id = target[0].id.replace(/([:\[\]\.])/g, '\\\\$1'); // escape jQuery meta chars

 188          return {id: id, input: target, // associated target
 189              selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
 190              drawMonth: 0, drawYear: 0, // month being drawn
 191              inline: inline, // is datepicker inline or not
 192              dpDiv: (!inline ? this.dpDiv : // presentation div
 193              $('<div class="' + this._inlineClass + '"></div>'))};
 194      },
 195  
 196      /* Attach the date picker to an input field. */

 197      _connectDatepicker: function(target, inst) {
 198          var input = $(target);
 199          if (input.hasClass(this.markerClassName))
 200              return;
 201          var appendText = this._get(inst, 'appendText');
 202          var isRTL = this._get(inst, 'isRTL');
 203          if (appendText)
 204              input[isRTL ? 'before' : 'after']('<span class="' + this._appendClass + '">' + appendText + '</span>');
 205          var showOn = this._get(inst, 'showOn');
 206          if (showOn == 'focus' || showOn == 'both') // pop-up date picker when in the marked field
 207              input.focus(this._showDatepicker);
 208          if (showOn == 'button' || showOn == 'both') { // pop-up date picker when button clicked
 209              var buttonText = this._get(inst, 'buttonText');
 210              var buttonImage = this._get(inst, 'buttonImage');
 211              var trigger = $(this._get(inst, 'buttonImageOnly') ?
 212                  $('<img/>').addClass(this._triggerClass).
 213                      attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
 214                  $('<button type="button"></button>').addClass(this._triggerClass).
 215                      html(buttonImage == '' ? buttonText : $('<img/>').attr(
 216                      { src:buttonImage, alt:buttonText, title:buttonText })));
 217              input[isRTL ? 'before' : 'after'](trigger);
 218              trigger.click(function() {
 219                  if ($.datepicker._datepickerShowing && $.datepicker._lastInput == target)
 220                      $.datepicker._hideDatepicker();
 221                  else
 222                      $.datepicker._showDatepicker(target);
 223                  return false;
 224              });
 225          }
 226          input.addClass(this.markerClassName).keydown(this._doKeyDown).keypress(this._doKeyPress).
 227              bind("setData.datepicker", function(event, key, value) {
 228                  inst.settings[key] = value;
 229              }).bind("getData.datepicker", function(event, key) {
 230                  return this._get(inst, key);
 231              });
 232          $.data(target, PROP_NAME, inst);
 233      },
 234  
 235      /* Attach an inline date picker to a div. */

 236      _inlineDatepicker: function(target, inst) {
 237          var divSpan = $(target);
 238          if (divSpan.hasClass(this.markerClassName))
 239              return;
 240          divSpan.addClass(this.markerClassName).append(inst.dpDiv).
 241              bind("setData.datepicker", function(event, key, value){
 242                  inst.settings[key] = value;
 243              }).bind("getData.datepicker", function(event, key){
 244                  return this._get(inst, key);
 245              });
 246          $.data(target, PROP_NAME, inst);
 247          this._setDate(inst, this._getDefaultDate(inst));
 248          this._updateDatepicker(inst);
 249          this._updateAlternate(inst);
 250      },
 251  
 252      /* Pop-up the date picker in a "dialog" box.

 253         @param  input     element - ignored

 254         @param  dateText  string - the initial date to display (in the current format)

 255         @param  onSelect  function - the function(dateText) to call when a date is selected

 256         @param  settings  object - update the dialog date picker instance's settings (anonymous object)

 257         @param  pos       int[2] - coordinates for the dialog's position within the screen or

 258                           event - with x/y coordinates or

 259                           leave empty for default (screen centre)

 260         @return the manager object */
 261      _dialogDatepicker: function(input, dateText, onSelect, settings, pos) {
 262          var inst = this._dialogInst; // internal instance

 263          if (!inst) {
 264              var id = 'dp' + (++this.uuid);
 265              this._dialogInput = $('<input type="text" id="' + id +
 266                  '" size="1" style="position: absolute; top: -100px;"/>');
 267              this._dialogInput.keydown(this._doKeyDown);
 268              $('body').append(this._dialogInput);
 269              inst = this._dialogInst = this._newInst(this._dialogInput, false);
 270              inst.settings = {};
 271              $.data(this._dialogInput[0], PROP_NAME, inst);
 272          }
 273          extendRemove(inst.settings, settings || {});
 274          this._dialogInput.val(dateText);
 275  
 276          this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
 277          if (!this._pos) {
 278              var browserWidth = window.innerWidth || document.documentElement.clientWidth ||    document.body.clientWidth;
 279              var browserHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight;
 280              var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
 281              var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
 282              this._pos = // should use actual width/height below
 283                  [(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
 284          }
 285  
 286          // move input on screen for focus, but hidden behind dialog

 287          this._dialogInput.css('left', this._pos[0] + 'px').css('top', this._pos[1] + 'px');
 288          inst.settings.onSelect = onSelect;
 289          this._inDialog = true;
 290          this.dpDiv.addClass(this._dialogClass);
 291          this._showDatepicker(this._dialogInput[0]);
 292          if ($.blockUI)
 293              $.blockUI(this.dpDiv);
 294          $.data(this._dialogInput[0], PROP_NAME, inst);
 295          return this;
 296      },
 297  
 298      /* Detach a datepicker from its control.

 299         @param  target    element - the target input field or division or span */
 300      _destroyDatepicker: function(target) {
 301          var $target = $(target);
 302          if (!$target.hasClass(this.markerClassName)) {
 303              return;
 304          }
 305          var nodeName = target.nodeName.toLowerCase();
 306          $.removeData(target, PROP_NAME);
 307          if (nodeName == 'input') {
 308              $target.siblings('.' + this._appendClass).remove().end().
 309                  siblings('.' + this._triggerClass).remove().end().
 310                  removeClass(this.markerClassName).
 311                  unbind('focus', this._showDatepicker).
 312                  unbind('keydown', this._doKeyDown).
 313                  unbind('keypress', this._doKeyPress);
 314          } else if (nodeName == 'div' || nodeName == 'span')
 315              $target.removeClass(this.markerClassName).empty();
 316      },
 317  
 318      /* Enable the date picker to a jQuery selection.

 319         @param  target    element - the target input field or division or span */
 320      _enableDatepicker: function(target) {
 321          var $target = $(target);
 322          if (!$target.hasClass(this.markerClassName)) {
 323              return;
 324          }
 325          var nodeName = target.nodeName.toLowerCase();
 326          if (nodeName == 'input') {
 327          target.disabled = false;
 328              $target.siblings('button.' + this._triggerClass).
 329              each(function() { this.disabled = false; }).end().
 330                  siblings('img.' + this._triggerClass).
 331                  css({opacity: '1.0', cursor: ''});
 332          }
 333          else if (nodeName == 'div' || nodeName == 'span') {
 334              $target.children('.' + this._disableClass).remove();
 335          }
 336          this._disabledInputs = $.map(this._disabledInputs,
 337              function(value) { return (value == target ? null : value); }); // delete entry

 338      },
 339  
 340      /* Disable the date picker to a jQuery selection.

 341         @param  target    element - the target input field or division or span */
 342      _disableDatepicker: function(target) {
 343          var $target = $(target);
 344          if (!$target.hasClass(this.markerClassName)) {
 345              return;
 346          }
 347          var nodeName = target.nodeName.toLowerCase();
 348          if (nodeName == 'input') {
 349          target.disabled = true;
 350              $target.siblings('button.' + this._triggerClass).
 351              each(function() { this.disabled = true; }).end().
 352                  siblings('img.' + this._triggerClass).
 353                  css({opacity: '0.5', cursor: 'default'});
 354          }
 355          else if (nodeName == 'div' || nodeName == 'span') {
 356              var inline = $target.children('.' + this._inlineClass);
 357              var offset = inline.offset();
 358              var relOffset = {left: 0, top: 0};
 359              inline.parents().each(function() {
 360                  if ($(this).css('position') == 'relative') {
 361                      relOffset = $(this).offset();
 362                      return false;
 363                  }
 364              });
 365              $target.prepend('<div class="' + this._disableClass + '" style="' +
 366                  ($.browser.msie ? 'background-color: transparent; ' : '') +
 367                  'width: ' + inline.width() + 'px; height: ' + inline.height() +
 368                  'px; left: ' + (offset.left - relOffset.left) +
 369                  'px; top: ' + (offset.top - relOffset.top) + 'px;"></div>');
 370          }
 371          this._disabledInputs = $.map(this._disabledInputs,
 372              function(value) { return (value == target ? null : value); }); // delete entry

 373          this._disabledInputs[this._disabledInputs.length] = target;
 374      },
 375  
 376      /* Is the first field in a jQuery collection disabled as a datepicker?

 377         @param  target    element - the target input field or division or span

 378         @return boolean - true if disabled, false if enabled */
 379      _isDisabledDatepicker: function(target) {
 380          if (!target)
 381              return false;
 382          for (var i = 0; i < this._disabledInputs.length; i++) {
 383              if (this._disabledInputs[i] == target)
 384                  return true;
 385          }
 386          return false;
 387      },
 388  
 389      /* Retrieve the instance data for the target control.

 390         @param  target  element - the target input field or division or span

 391         @return  object - the associated instance data

 392         @throws  error if a jQuery problem getting data */
 393      _getInst: function(target) {
 394          try {
 395              return $.data(target, PROP_NAME);
 396          }
 397          catch (err) {
 398              throw 'Missing instance data for this datepicker';
 399          }
 400      },
 401  
 402      /* Update the settings for a date picker attached to an input field or division.

 403         @param  target  element - the target input field or division or span

 404         @param  name    object - the new settings to update or

 405                         string - the name of the setting to change or

 406         @param  value   any - the new value for the setting (omit if above is an object) */
 407      _optionDatepicker: function(target, name, value) {
 408          var settings = name || {};
 409          if (typeof name == 'string') {
 410              settings = {};
 411              settings[name] = value;
 412          }
 413          var inst = this._getInst(target);
 414          if (inst) {
 415              if (this._curInst == inst) {
 416                  this._hideDatepicker(null);
 417              }
 418              extendRemove(inst.settings, settings);
 419              var date = new Date();
 420              extendRemove(inst, {rangeStart: null, // start of range
 421                  endDay: null, endMonth: null, endYear: null, // end of range
 422                  selectedDay: date.getDate(), selectedMonth: date.getMonth(),
 423                  selectedYear: date.getFullYear(), // starting point
 424                  currentDay: date.getDate(), currentMonth: date.getMonth(),
 425                  currentYear: date.getFullYear(), // current selection
 426                  drawMonth: date.getMonth(), drawYear: date.getFullYear()}); // month being drawn

 427              this._updateDatepicker(inst);
 428          }
 429      },
 430  
 431      // change method deprecated

 432      _changeDatepicker: function(target, name, value) {
 433          this._optionDatepicker(target, name, value);
 434      },
 435  
 436      /* Redraw the date picker attached to an input field or division.

 437         @param  target  element - the target input field or division or span */
 438      _refreshDatepicker: function(target) {
 439          var inst = this._getInst(target);
 440          if (inst) {
 441              this._updateDatepicker(inst);
 442          }
 443      },
 444  
 445      /* Set the dates for a jQuery selection.

 446         @param  target   element - the target input field or division or span

 447         @param  date     Date - the new date

 448         @param  endDate  Date - the new end date for a range (optional) */
 449      _setDateDatepicker: function(target, date, endDate) {
 450          var inst = this._getInst(target);
 451          if (inst) {
 452              this._setDate(inst, date, endDate);
 453              this._updateDatepicker(inst);
 454              this._updateAlternate(inst);
 455          }
 456      },
 457  
 458      /* Get the date(s) for the first entry in a jQuery selection.

 459         @param  target  element - the target input field or division or span

 460         @return Date - the current date or

 461                 Date[2] - the current dates for a range */
 462      _getDateDatepicker: function(target) {
 463          var inst = this._getInst(target);
 464          if (inst && !inst.inline)
 465              this._setDateFromField(inst);
 466          return (inst ? this._getDate(inst) : null);
 467      },
 468  
 469      /* Handle keystrokes. */

 470      _doKeyDown: function(event) {
 471          var inst = $.datepicker._getInst(event.target);
 472          var handled = true;
 473          inst._keyEvent = true;
 474          if ($.datepicker._datepickerShowing)
 475              switch (event.keyCode) {
 476                  case 9:  $.datepicker._hideDatepicker(null, '');
 477                          break; // hide on tab out

 478                  case 13: var sel = $('td.' + $.datepicker._dayOverClass +
 479                              ', td.' + $.datepicker._currentClass, inst.dpDiv);
 480                          if (sel[0])
 481                              $.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
 482                          else
 483                              $.datepicker._hideDatepicker(null, $.datepicker._get(inst, 'duration'));
 484                          return false; // don't submit the form

 485                          break; // select the value on enter

 486                  case 27: $.datepicker._hideDatepicker(null, $.datepicker._get(inst, 'duration'));
 487                          break; // hide on escape

 488                  case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
 489                              -$.datepicker._get(inst, 'stepBigMonths') :
 490                              -$.datepicker._get(inst, 'stepMonths')), 'M');
 491                          break; // previous month/year on page up/+ ctrl

 492                  case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
 493                              +$.datepicker._get(inst, 'stepBigMonths') :
 494                              +$.datepicker._get(inst, 'stepMonths')), 'M');
 495                          break; // next month/year on page down/+ ctrl

 496                  case 35: if (event.ctrlKey || event.metaKey) $.datepicker._clearDate(event.target);
 497                          handled = event.ctrlKey || event.metaKey;
 498                          break; // clear on ctrl or command +end

 499                  case 36: if (event.ctrlKey || event.metaKey) $.datepicker._gotoToday(event.target);
 500                          handled = event.ctrlKey || event.metaKey;
 501                          break; // current on ctrl or command +home

 502                  case 37: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, -1, 'D');
 503                          handled = event.ctrlKey || event.metaKey;
 504                          // -1 day on ctrl or command +left

 505                          if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
 506                                      -$.datepicker._get(inst, 'stepBigMonths') :
 507                                      -$.datepicker._get(inst, 'stepMonths')), 'M');
 508                          // next month/year on alt +left on Mac

 509                          break;
 510                  case 38: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, -7, 'D');
 511                          handled = event.ctrlKey || event.metaKey;
 512                          break; // -1 week on ctrl or command +up

 513                  case 39: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, +1, 'D');
 514                          handled = event.ctrlKey || event.metaKey;
 515                          // +1 day on ctrl or command +right

 516                          if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
 517                                      +$.datepicker._get(inst, 'stepBigMonths') :
 518                                      +$.datepicker._get(inst, 'stepMonths')), 'M');
 519                          // next month/year on alt +right

 520                          break;
 521                  case 40: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, +7, 'D');
 522                          handled = event.ctrlKey || event.metaKey;
 523                          break; // +1 week on ctrl or command +down

 524                  default: handled = false;
 525              }
 526          else if (event.keyCode == 36 && event.ctrlKey) // display the date picker on ctrl+home
 527              $.datepicker._showDatepicker(this);
 528          else {
 529              handled = false;
 530          }
 531          if (handled) {
 532              event.preventDefault();
 533              event.stopPropagation();
 534          }
 535      },
 536  
 537      /* Filter entered characters - based on date format. */

 538      _doKeyPress: function(event) {
 539          var inst = $.datepicker._getInst(event.target);
 540          if ($.datepicker._get(inst, 'constrainInput')) {
 541              var chars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat'));
 542              var chr = String.fromCharCode(event.charCode == undefined ? event.keyCode : event.charCode);
 543              return event.ctrlKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1);
 544          }
 545      },
 546  
 547      /* Pop-up the date picker for a given input field.

 548         @param  input  element - the input field attached to the date picker or

 549                        event - if triggered by focus */
 550      _showDatepicker: function(input) {
 551          input = input.target || input;
 552          if (input.nodeName.toLowerCase() != 'input') // find from button/image trigger
 553              input = $('input', input.parentNode)[0];
 554          if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) // already here
 555              return;
 556          var inst = $.datepicker._getInst(input);
 557          var beforeShow = $.datepicker._get(inst, 'beforeShow');
 558          extendRemove(inst.settings, (beforeShow ? beforeShow.apply(input, [input, inst]) : {}));
 559          $.datepicker._hideDatepicker(null, '');
 560          $.datepicker._lastInput = input;
 561          $.datepicker._setDateFromField(inst);
 562          if ($.datepicker._inDialog) // hide cursor
 563              input.value = '';
 564          if (!$.datepicker._pos) { // position below input
 565              $.datepicker._pos = $.datepicker._findPos(input);
 566              $.datepicker._pos[1] += input.offsetHeight; // add the height

 567          }
 568          var isFixed = false;
 569          $(input).parents().each(function() {
 570              isFixed |= $(this).css('position') == 'fixed';
 571              return !isFixed;
 572          });
 573          if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
 574              $.datepicker._pos[0] -= document.documentElement.scrollLeft;
 575              $.datepicker._pos[1] -= document.documentElement.scrollTop;
 576          }
 577          var offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
 578          $.datepicker._pos = null;
 579          inst.rangeStart = null;
 580          // determine sizing offscreen

 581          inst.dpDiv.css({position: 'absolute', display: 'block', top: '-1000px'});
 582          $.datepicker._updateDatepicker(inst);
 583          // fix width for dynamic number of date pickers

 584          inst.dpDiv.width($.datepicker._getNumberOfMonths(inst)[1] *
 585              $('.ui-datepicker', inst.dpDiv[0])[0].offsetWidth);
 586          // and adjust position before showing

 587          offset = $.datepicker._checkOffset(inst, offset, isFixed);
 588          inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
 589              'static' : (isFixed ? 'fixed' : 'absolute')), display: 'none',
 590              left: offset.left + 'px', top: offset.top + 'px'});
 591          if (!inst.inline) {
 592              var showAnim = $.datepicker._get(inst, 'showAnim') || 'show';
 593              var duration = $.datepicker._get(inst, 'duration');
 594              var postProcess = function() {
 595                  $.datepicker._datepickerShowing = true;
 596                  if ($.browser.msie && parseInt($.browser.version,10) < 7) // fix IE < 7 select problems
 597                      $('iframe.ui-datepicker-cover').css({width: inst.dpDiv.width() + 4,
 598                          height: inst.dpDiv.height() + 4});
 599              };
 600              if ($.effects && $.effects[showAnim])
 601                  inst.dpDiv.show(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
 602              else
 603                  inst.dpDiv[showAnim](duration, postProcess);
 604              if (duration == '')
 605                  postProcess();
 606              if (inst.input[0].type != 'hidden')
 607                  inst.input[0].focus();
 608              $.datepicker._curInst = inst;
 609          }
 610      },
 611  
 612      /* Generate the date picker content. */

 613      _updateDatepicker: function(inst) {
 614          var dims = {width: inst.dpDiv.width() + 4,
 615              height: inst.dpDiv.height() + 4};
 616          inst.dpDiv.empty().append(this._generateHTML(inst)).
 617              find('iframe.ui-datepicker-cover').
 618              css({width: dims.width, height: dims.height});
 619          var numMonths = this._getNumberOfMonths(inst);
 620          inst.dpDiv[(numMonths[0] != 1 || numMonths[1] != 1 ? 'add' : 'remove') +
 621              'Class']('ui-datepicker-multi');
 622          inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') +
 623              'Class']('ui-datepicker-rtl');
 624          if (inst.input && inst.input[0].type != 'hidden' && inst == $.datepicker._curInst)
 625              $(inst.input[0]).focus();
 626      },
 627  
 628      /* Check positioning to remain on screen. */

 629      _checkOffset: function(inst, offset, isFixed) {
 630          var pos = inst.input ? this._findPos(inst.input[0]) : null;
 631          var browserWidth = window.innerWidth || (document.documentElement ?
 632              document.documentElement.clientWidth : document.body.clientWidth);
 633          var browserHeight = window.innerHeight || (document.documentElement ?
 634              document.documentElement.clientHeight : document.body.clientHeight);
 635          var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
 636          var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
 637          // reposition date picker horizontally if outside the browser window

 638          if (this._get(inst, 'isRTL') || (offset.left + inst.dpDiv.width() - scrollX) > browserWidth)
 639              offset.left = Math.max((isFixed ? 0 : scrollX),
 640                  pos[0] + (inst.input ? inst.input.width() : 0) - (isFixed ? scrollX : 0) - inst.dpDiv.width() -
 641                  (isFixed && $.browser.opera ? document.documentElement.scrollLeft : 0));
 642          else
 643              offset.left -= (isFixed ? scrollX : 0);
 644          // reposition date picker vertically if outside the browser window

 645          if ((offset.top + inst.dpDiv.height() - scrollY) > browserHeight)
 646              offset.top = Math.max((isFixed ? 0 : scrollY),
 647                  pos[1] - (isFixed ? scrollY : 0) - (this._inDialog ? 0 : inst.dpDiv.height()) -
 648                  (isFixed && $.browser.opera ? document.documentElement.scrollTop : 0));
 649          else
 650              offset.top -= (isFixed ? scrollY : 0);
 651          return offset;
 652      },
 653  
 654      /* Find an object's position on the screen. */

 655      _findPos: function(obj) {
 656          while (obj && (obj.type == 'hidden' || obj.nodeType != 1)) {
 657              obj = obj.nextSibling;
 658          }
 659          var position = $(obj).offset();
 660          return [position.left, position.top];
 661      },
 662  
 663      /* Hide the date picker from view.

 664         @param  input  element - the input field attached to the date picker

 665         @param  duration  string - the duration over which to close the date picker */
 666      _hideDatepicker: function(input, duration) {
 667          var inst = this._curInst;
 668          if (!inst || (input && inst != $.data(input, PROP_NAME)))
 669              return;
 670          var rangeSelect = this._get(inst, 'rangeSelect');
 671          if (rangeSelect && inst.stayOpen)
 672              this._selectDate('#' + inst.id, this._formatDate(inst,
 673                  inst.currentDay, inst.currentMonth, inst.currentYear));
 674          inst.stayOpen = false;
 675          if (this._datepickerShowing) {
 676              duration = (duration != null ? duration : this._get(inst, 'duration'));
 677              var showAnim = this._get(inst, 'showAnim');
 678              var postProcess = function() {
 679                  $.datepicker._tidyDialog(inst);
 680              };
 681              if (duration != '' && $.effects && $.effects[showAnim])
 682                  inst.dpDiv.hide(showAnim, $.datepicker._get(inst, 'showOptions'),
 683                      duration, postProcess);
 684              else
 685                  inst.dpDiv[(duration == '' ? 'hide' : (showAnim == 'slideDown' ? 'slideUp' :
 686                      (showAnim == 'fadeIn' ? 'fadeOut' : 'hide')))](duration, postProcess);
 687              if (duration == '')
 688                  this._tidyDialog(inst);
 689              var onClose = this._get(inst, 'onClose');
 690              if (onClose)
 691                  onClose.apply((inst.input ? inst.input[0] : null),
 692                      [(inst.input ? inst.input.val() : ''), inst]);  // trigger custom callback

 693              this._datepickerShowing = false;
 694              this._lastInput = null;
 695              inst.settings.prompt = null;
 696              if (this._inDialog) {
 697                  this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' });
 698                  if ($.blockUI) {
 699                      $.unblockUI();
 700                      $('body').append(this.dpDiv);
 701                  }
 702              }
 703              this._inDialog = false;
 704          }
 705          this._curInst = null;
 706      },
 707  
 708      /* Tidy up after a dialog display. */

 709      _tidyDialog: function(inst) {
 710          inst.dpDiv.removeClass(this._dialogClass).unbind('.ui-datepicker');
 711          $('.' + this._promptClass, inst.dpDiv).remove();
 712      },
 713  
 714      /* Close date picker if clicked elsewhere. */

 715      _checkExternalClick: function(event) {
 716          if (!$.datepicker._curInst)
 717              return;
 718          var $target = $(event.target);
 719          if (($target.parents('#' + $.datepicker._mainDivId).length == 0) &&
 720                  !$target.hasClass($.datepicker.markerClassName) &&
 721                  !$target.hasClass($.datepicker._triggerClass) &&
 722                  $.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI))
 723              $.datepicker._hideDatepicker(null, '');
 724      },
 725  
 726      /* Adjust one of the date sub-fields. */

 727      _adjustDate: function(id, offset, period) {
 728          var target = $(id);
 729          var inst = this._getInst(target[0]);
 730          this._adjustInstDate(inst, offset, period);
 731          this._updateDatepicker(inst);
 732      },
 733  
 734      /* Action for current link. */

 735      _gotoToday: function(id) {
 736          var target = $(id);
 737          var inst = this._getInst(target[0]);
 738          if (this._get(inst, 'gotoCurrent') && inst.currentDay) {
 739              inst.selectedDay = inst.currentDay;
 740              inst.drawMonth = inst.selectedMonth = inst.currentMonth;
 741              inst.drawYear = inst.selectedYear = inst.currentYear;
 742          }
 743          else {
 744          var date = new Date();
 745          inst.selectedDay = date.getDate();
 746          inst.drawMonth = inst.selectedMonth = date.getMonth();
 747          inst.drawYear = inst.selectedYear = date.getFullYear();
 748          }
 749          this._notifyChange(inst);
 750          this._adjustDate(target);
 751      },
 752  
 753      /* Action for selecting a new month/year. */

 754      _selectMonthYear: function(id, select, period) {
 755          var target = $(id);
 756          var inst = this._getInst(target[0]);
 757          inst._selectingMonthYear = false;
 758          inst['selected' + (period == 'M' ? 'Month' : 'Year')] =
 759          inst['draw' + (period == 'M' ? 'Month' : 'Year')] =
 760              parseInt(select.options[select.selectedIndex].value,10);
 761          this._notifyChange(inst);
 762          this._adjustDate(target);
 763      },
 764  
 765      /* Restore input focus after not changing month/year. */

 766      _clickMonthYear: function(id) {
 767          var target = $(id);
 768          var inst = this._getInst(target[0]);
 769          if (inst.input && inst._selectingMonthYear && !$.browser.msie)
 770              inst.input[0].focus();
 771          inst._selectingMonthYear = !inst._selectingMonthYear;
 772      },
 773  
 774      /* Action for changing the first week day. */

 775      _changeFirstDay: function(id, day) {
 776          var target = $(id);
 777          var inst = this._getInst(target[0]);
 778          inst.settings.firstDay = day;
 779          this._updateDatepicker(inst);
 780      },
 781  
 782      /* Action for selecting a day. */

 783      _selectDay: function(id, month, year, td) {
 784          if ($(td).hasClass(this._unselectableClass))
 785              return;
 786          var target = $(id);
 787          var inst = this._getInst(target[0]);
 788          var rangeSelect = this._get(inst, 'rangeSelect');
 789          if (rangeSelect) {
 790              inst.stayOpen = !inst.stayOpen;
 791              if (inst.stayOpen) {
 792                  $('.ui-datepicker td', inst.dpDiv).removeClass(this._currentClass);
 793                  $(td).addClass(this._currentClass);
 794              }
 795          }
 796          inst.selectedDay = inst.currentDay = $('a', td).html();
 797          inst.selectedMonth = inst.currentMonth = month;
 798          inst.selectedYear = inst.currentYear = year;
 799          if (inst.stayOpen) {
 800              inst.endDay = inst.endMonth = inst.endYear = null;
 801          }
 802          else if (rangeSelect) {
 803              inst.endDay = inst.currentDay;
 804              inst.endMonth = inst.currentMonth;
 805              inst.endYear = inst.currentYear;
 806          }
 807          this._selectDate(id, this._formatDate(inst,
 808              inst.currentDay, inst.currentMonth, inst.currentYear));
 809          if (inst.stayOpen) {
 810              inst.rangeStart = this._daylightSavingAdjust(
 811                  new Date(inst.currentYear, inst.currentMonth, inst.currentDay));
 812              this._updateDatepicker(inst);
 813          }
 814          else if (rangeSelect) {
 815              inst.selectedDay = inst.currentDay = inst.rangeStart.getDate();
 816              inst.selectedMonth = inst.currentMonth = inst.rangeStart.getMonth();
 817              inst.selectedYear = inst.currentYear = inst.rangeStart.getFullYear();
 818              inst.rangeStart = null;
 819              if (inst.inline)
 820                  this._updateDatepicker(inst);
 821          }
 822      },
 823  
 824      /* Erase the input field and hide the date picker. */

 825      _clearDate: function(id) {
 826          var target = $(id);
 827          var inst = this._getInst(target[0]);
 828          if (this._get(inst, 'mandatory'))
 829              return;
 830          inst.stayOpen = false;
 831          inst.endDay = inst.endMonth = inst.endYear = inst.rangeStart = null;
 832          this._selectDate(target, '');
 833      },
 834  
 835      /* Update the input field with the selected date. */

 836      _selectDate: function(id, dateStr) {
 837          var target = $(id);
 838          var inst = this._getInst(target[0]);
 839          dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
 840          if (this._get(inst, 'rangeSelect') && dateStr)
 841              dateStr = (inst.rangeStart ? this._formatDate(inst, inst.rangeStart) :
 842                  dateStr) + this._get(inst, 'rangeSeparator') + dateStr;
 843          if (inst.input)
 844              inst.input.val(dateStr);
 845          this._updateAlternate(inst);
 846          var onSelect = this._get(inst, 'onSelect');
 847          if (onSelect)
 848              onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);  // trigger custom callback

 849          else if (inst.input)
 850              inst.input.trigger('change'); // fire the change event

 851          if (inst.inline)
 852              this._updateDatepicker(inst);
 853          else if (!inst.stayOpen) {
 854              this._hideDatepicker(null, this._get(inst, 'duration'));
 855              this._lastInput = inst.input[0];
 856              if (typeof(inst.input[0]) != 'object')
 857                  inst.input[0].focus(); // restore focus

 858              this._lastInput = null;
 859          }
 860      },
 861  
 862      /* Update any alternate field to synchronise with the main field. */

 863      _updateAlternate: function(inst) {
 864          var altField = this._get(inst, 'altField');
 865          if (altField) { // update alternate field too
 866              var altFormat = this._get(inst, 'altFormat') || this._get(inst, 'dateFormat');
 867              var date = this._getDate(inst);
 868              dateStr = (isArray(date) ? (!date[0] && !date[1] ? '' :
 869                  this.formatDate(altFormat, date[0], this._getFormatConfig(inst)) +
 870                  this._get(inst, 'rangeSeparator') + this.formatDate(
 871                  altFormat, date[1] || date[0], this._getFormatConfig(inst))) :
 872                  this.formatDate(altFormat, date, this._getFormatConfig(inst)));
 873              $(altField).each(function() { $(this).val(dateStr); });
 874          }
 875      },
 876  
 877      /* Set as beforeShowDay function to prevent selection of weekends.

 878         @param  date  Date - the date to customise

 879         @return [boolean, string] - is this date selectable?, what is its CSS class? */
 880      noWeekends: function(date) {
 881          var day = date.getDay();
 882          return [(day > 0 && day < 6), ''];
 883      },
 884  
 885      /* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.

 886         @param  date  Date - the date to get the week for

 887         @return  number - the number of the week within the year that contains this date */
 888      iso8601Week: function(date) {
 889          var checkDate = new Date(date.getFullYear(), date.getMonth(), date.getDate());
 890          var firstMon = new Date(checkDate.getFullYear(), 1 - 1, 4); // First week always contains 4 Jan

 891          var firstDay = firstMon.getDay() || 7; // Day of week: Mon = 1, ..., Sun = 7

 892          firstMon.setDate(firstMon.getDate() + 1 - firstDay); // Preceding Monday

 893          if (firstDay < 4 && checkDate < firstMon) { // Adjust first three days in year if necessary
 894              checkDate.setDate(checkDate.getDate() - 3); // Generate for previous year

 895              return $.datepicker.iso8601Week(checkDate);
 896          } else if (checkDate > new Date(checkDate.getFullYear(), 12 - 1, 28)) { // Check last three days in year
 897              firstDay = new Date(checkDate.getFullYear() + 1, 1 - 1, 4).getDay() || 7;
 898              if (firstDay > 4 && (checkDate.getDay() || 7) < firstDay - 3) { // Adjust if necessary
 899                  return 1;
 900              }
 901          }
 902          return Math.floor(((checkDate - firstMon) / 86400000) / 7) + 1; // Weeks to given date

 903      },
 904  
 905      /* Provide status text for a particular date.

 906         @param  date  the date to get the status for

 907         @param  inst  the current datepicker instance

 908         @return  the status display text for this date */
 909      dateStatus: function(date, inst) {
 910          return $.datepicker.formatDate($.datepicker._get(inst, 'dateStatus'),
 911              date, $.datepicker._getFormatConfig(inst));
 912      },
 913  
 914      /* Parse a string value into a date object.

 915         See formatDate below for the possible formats.

 916  

 917         @param  format    string - the expected format of the date

 918         @param  value     string - the date in the above format

 919         @param  settings  Object - attributes include:

 920                           shortYearCutoff  number - the cutoff year for determining the century (optional)

 921                           dayNamesShort    string[7] - abbreviated names of the days from Sunday (optional)

 922                           dayNames         string[7] - names of the days from Sunday (optional)

 923                           monthNamesShort  string[12] - abbreviated names of the months (optional)

 924                           monthNames       string[12] - names of the months (optional)

 925         @return  Date - the extracted date value or null if value is blank */
 926      parseDate: function (format, value, settings) {
 927          if (format == null || value == null)
 928              throw 'Invalid arguments';
 929          value = (typeof value == 'object' ? value.toString() : value + '');
 930          if (value == '')
 931              return null;
 932          var shortYearCutoff = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff;
 933          var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
 934          var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
 935          var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
 936          var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
 937          var year = -1;
 938          var month = -1;
 939          var day = -1;
 940          var doy = -1;
 941          var literal = false;
 942          // Check whether a format character is doubled

 943          var lookAhead = function(match) {
 944              var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
 945              if (matches)
 946                  iFormat++;
 947              return matches;
 948          };
 949          // Extract a number from the string value

 950          var getNumber = function(match) {
 951              lookAhead(match);
 952              var origSize = (match == '@' ? 14 : (match == 'y' ? 4 : (match == 'o' ? 3 : 2)));
 953              var size = origSize;
 954              var num = 0;
 955              while (size > 0 && iValue < value.length &&
 956                      value.charAt(iValue) >= '0' && value.charAt(iValue) <= '9') {
 957                  num = num * 10 + parseInt(value.charAt(iValue++),10);
 958                  size--;
 959              }
 960              if (size == origSize)
 961                  throw 'Missing number at position ' + iValue;
 962              return num;
 963          };
 964          // Extract a name from the string value and convert to an index

 965          var getName = function(match, shortNames, longNames) {
 966              var names = (lookAhead(match) ? longNames : shortNames);
 967              var size = 0;
 968              for (var j = 0; j < names.length; j++)
 969                  size = Math.max(size, names[j].length);
 970              var name = '';
 971              var iInit = iValue;
 972              while (size > 0 && iValue < value.length) {
 973                  name += value.charAt(iValue++);
 974                  for (var i = 0; i < names.length; i++)
 975                      if (name == names[i])
 976                          return i + 1;
 977                  size--;
 978              }
 979              throw 'Unknown name at position ' + iInit;
 980          };
 981          // Confirm that a literal character matches the string value

 982          var checkLiteral = function() {
 983              if (value.charAt(iValue) != format.charAt(iFormat))
 984                  throw 'Unexpected literal at position ' + iValue;
 985              iValue++;
 986          };
 987          var iValue = 0;
 988          for (var iFormat = 0; iFormat < format.length; iFormat++) {
 989              if (literal)
 990                  if (format.charAt(iFormat) == "'" && !lookAhead("'"))
 991                      literal = false;
 992                  else
 993                      checkLiteral();
 994              else
 995                  switch (format.charAt(iFormat)) {
 996                      case 'd':
 997                          day = getNumber('d');
 998                          break;
 999                      case 'D':
1000                          getName('D', dayNamesShort, dayNames);
1001                          break;
1002                      case 'o':
1003                          doy = getNumber('o');
1004                          break;
1005                      case 'm':
1006                          month = getNumber('m');
1007                          break;
1008                      case 'M':
1009                          month = getName('M', monthNamesShort, monthNames);
1010                          break;
1011                      case 'y':
1012                          year = getNumber('y');
1013                          break;
1014                      case '@':
1015                          var date = new Date(getNumber('@'));
1016                          year = date.getFullYear();
1017                          month = date.getMonth() + 1;
1018                          day = date.getDate();
1019                          break;
1020                      case "'":
1021                          if (lookAhead("'"))
1022                              checkLiteral();
1023                          else
1024                              literal = true;
1025                          break;
1026                      default:
1027                          checkLiteral();
1028                  }
1029          }
1030          if (year == -1)
1031              year = new Date().getFullYear();
1032          else if (year < 100)
1033              year += new Date().getFullYear() - new Date().getFullYear() % 100 +
1034                  (year <= shortYearCutoff ? 0 : -100);
1035          if (doy > -1) {
1036              month = 1;
1037              day = doy;
1038              do {
1039                  var dim = this._getDaysInMonth(year, month - 1);
1040                  if (day <= dim)
1041                      break;
1042                  month++;
1043                  day -= dim;
1044              } while (true);
1045          }
1046          var date = this._daylightSavingAdjust(new Date(year, month - 1, day));
1047          if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day)
1048              throw 'Invalid date'; // E.g. 31/02/*

1049          return date;

1050      },

1051  

1052      /* Standard date formats. */

1053      ATOM: 'yy-mm-dd', // RFC 3339 (ISO 8601)

1054      COOKIE: 'D, dd M yy',

1055      ISO_8601: 'yy-mm-dd',

1056      RFC_822: 'D, d M y',

1057      RFC_850: 'DD, dd-M-y',

1058      RFC_1036: 'D, d M y',

1059      RFC_1123: 'D, d M yy',

1060      RFC_2822: 'D, d M yy',

1061      RSS: 'D, d M y', // RFC 822

1062      TIMESTAMP: '@',

1063      W3C: 'yy-mm-dd', // ISO 8601

1064  

1065      /* Format a date object into a string value.

1066         The format can be combinations of the following:

1067         d  - day of month (no leading zero)

1068         dd - day of month (two digit)

1069         o  - day of year (no leading zeros)

1070         oo - day of year (three digit)

1071         D  - day name short

1072         DD - day name long

1073         m  - month of year (no leading zero)

1074         mm - month of year (two digit)

1075         M  - month name short

1076         MM - month name long

1077         y  - year (two digit)

1078         yy - year (four digit)

1079         @ - Unix timestamp (ms since 01/01/1970)

1080         '...' - literal text

1081         '' - single quote

1082  

1083         @param  format    string - the desired format of the date

1084         @param  date      Date - the date value to format

1085         @param  settings  Object - attributes include:

1086                           dayNamesShort    string[7] - abbreviated names of the days from Sunday (optional)

1087                           dayNames         string[7] - names of the days from Sunday (optional)

1088                           monthNamesShort  string[12] - abbreviated names of the months (optional)

1089                           monthNames       string[12] - names of the months (optional)

1090         @return  string - the date in the above format */
1091      formatDate: function (format, date, settings) {
1092          if (!date)
1093              return '';
1094          var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
1095          var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
1096          var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
1097          var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
1098          // Check whether a format character is doubled

1099          var lookAhead = function(match) {
1100              var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1101              if (matches)
1102                  iFormat++;
1103              return matches;
1104          };
1105          // Format a number, with leading zero if necessary

1106          var formatNumber = function(match, value, len) {
1107              var num = '' + value;
1108              if (lookAhead(match))
1109                  while (num.length < len)
1110                      num = '0' + num;
1111              return num;
1112          };
1113          // Format a name, short or long as requested

1114          var formatName = function(match, value, shortNames, longNames) {
1115              return (lookAhead(match) ? longNames[value] : shortNames[value]);
1116          };
1117          var output = '';
1118          var literal = false;
1119          if (date)
1120              for (var iFormat = 0; iFormat < format.length; iFormat++) {
1121                  if (literal)
1122                      if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1123                          literal = false;
1124                      else
1125                          output += format.charAt(iFormat);
1126                  else
1127                      switch (format.charAt(iFormat)) {
1128                          case 'd':
1129                              output += formatNumber('d', date.getDate(), 2);
1130                              break;
1131                          case 'D':
1132                              output += formatName('D', date.getDay(), dayNamesShort, dayNames);
1133                              break;
1134                          case 'o':
1135                              var doy = date.getDate();
1136                              for (var m = date.getMonth() - 1; m >= 0; m--)
1137                                  doy += this._getDaysInMonth(date.getFullYear(), m);
1138                              output += formatNumber('o', doy, 3);
1139                              break;
1140                          case 'm':
1141                              output += formatNumber('m', date.getMonth() + 1, 2);
1142                              break;
1143                          case 'M':
1144                              output += formatName('M', date.getMonth(), monthNamesShort, monthNames);
1145                              break;
1146                          case 'y':
1147                              output += (lookAhead('y') ? date.getFullYear() :
1148                                  (date.getYear() % 100 < 10 ? '0' : '') + date.getYear() % 100);
1149                              break;
1150                          case '@':
1151                              output += date.getTime();
1152                              break;
1153                          case "'":
1154                              if (lookAhead("'"))
1155                                  output += "'";
1156                              else
1157                                  literal = true;
1158                              break;
1159                          default:
1160                              output += format.charAt(iFormat);
1161                      }
1162              }
1163          return output;
1164      },
1165  
1166      /* Extract all possible characters from the date format. */

1167      _possibleChars: function (format) {
1168          var chars = '';
1169          var literal = false;
1170          for (var iFormat = 0; iFormat < format.length; iFormat++)
1171              if (literal)
1172                  if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1173                      literal = false;
1174                  else
1175                      chars += format.charAt(iFormat);
1176              else
1177                  switch (format.charAt(iFormat)) {
1178                      case 'd': case 'm': case 'y': case '@':
1179                          chars += '0123456789';
1180                          break;
1181                      case 'D': case 'M':
1182                          return null; // Accept anything

1183                      case "'":
1184                          if (lookAhead("'"))
1185                              chars += "'";
1186                          else
1187                              literal = true;
1188                          break;
1189                      default:
1190                          chars += format.charAt(iFormat);
1191                  }
1192          return chars;
1193      },
1194  
1195      /* Get a setting value, defaulting if necessary. */

1196      _get: function(inst, name) {
1197          return inst.settings[name] !== undefined ?
1198              inst.settings[name] : this._defaults[name];
1199      },
1200  
1201      /* Parse existing date and initialise date picker. */

1202      _setDateFromField: function(inst) {
1203          var dateFormat = this._get(inst, 'dateFormat');
1204          var dates = inst.input ? inst.input.val().split(this._get(inst, 'rangeSeparator')) : null;
1205          inst.endDay = inst.endMonth = inst.endYear = null;
1206          var date = defaultDate = this._getDefaultDate(inst);
1207          if (dates.length > 0) {
1208              var settings = this._getFormatConfig(inst);
1209              if (dates.length > 1) {
1210                  date = this.parseDate(dateFormat, dates[1], settings) || defaultDate;
1211                  inst.endDay = date.getDate();
1212                  inst.endMonth = date.getMonth();
1213                  inst.endYear = date.getFullYear();
1214              }
1215              try {
1216                  date = this.parseDate(dateFormat, dates[0], settings) || defaultDate;
1217              } catch (event) {
1218                  this.log(event);
1219                  date = defaultDate;
1220              }
1221          }
1222          inst.selectedDay = date.getDate();
1223          inst.drawMonth = inst.selectedMonth = date.getMonth();
1224          inst.drawYear = inst.selectedYear = date.getFullYear();
1225          inst.currentDay = (dates[0] ? date.getDate() : 0);
1226          inst.currentMonth = (dates[0] ? date.getMonth() : 0);
1227          inst.currentYear = (dates[0] ? date.getFullYear() : 0);
1228          this._adjustInstDate(inst);
1229      },
1230  
1231      /* Retrieve the default date shown on opening. */

1232      _getDefaultDate: function(inst) {
1233          var date = this._determineDate(this._get(inst, 'defaultDate'), new Date());
1234          var minDate = this._getMinMaxDate(inst, 'min', true);
1235          var maxDate = this._getMinMaxDate(inst, 'max');
1236          date = (minDate && date < minDate ? minDate : date);
1237          date = (maxDate && date > maxDate ? maxDate : date);
1238          return date;
1239      },
1240  
1241      /* A date may be specified as an exact value or a relative one. */

1242      _determineDate: function(date, defaultDate) {
1243          var offsetNumeric = function(offset) {
1244              var date = new Date();
1245              date.setDate(date.getDate() + offset);
1246              return date;
1247          };
1248          var offsetString = function(offset, getDaysInMonth) {
1249              var date = new Date();
1250              var year = date.getFullYear();
1251              var month = date.getMonth();
1252              var day = date.getDate();
1253              var pattern = /([+-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g;
1254              var matches = pattern.exec(offset);
1255              while (matches) {
1256                  switch (matches[2] || 'd') {
1257                      case 'd' : case 'D' :
1258                          day += parseInt(matches[1],10); break;
1259                      case 'w' : case 'W' :
1260                          day += parseInt(matches[1],10) * 7; break;
1261                      case 'm' : case 'M' :
1262                          month += parseInt(matches[1],10);
1263                          day = Math.min(day, getDaysInMonth(year, month));
1264                          break;
1265                      case 'y': case 'Y' :
1266                          year += parseInt(matches[1],10);
1267                          day = Math.min(day, getDaysInMonth(year, month));
1268                          break;
1269                  }
1270                  matches = pattern.exec(offset);
1271              }
1272              return new Date(year, month, day);
1273          };
1274          date = (date == null ? defaultDate :
1275              (typeof date == 'string' ? offsetString(date, this._getDaysInMonth) :
1276              (typeof date == 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : date)));
1277          date = (date && date.toString() == 'Invalid Date' ? defaultDate : date);
1278          if (date) {
1279              date.setHours(0);
1280              date.setMinutes(0);
1281              date.setSeconds(0);
1282              date.setMilliseconds(0);
1283          }
1284          return this._daylightSavingAdjust(date);
1285      },
1286  
1287      /* Handle switch to/from daylight saving.

1288         Hours may be non-zero on daylight saving cut-over:

1289         > 12 when midnight changeover, but then cannot generate

1290         midnight datetime, so jump to 1AM, otherwise reset.

1291         @param  date  (Date) the date to check

1292         @return  (Date) the corrected date */
1293      _daylightSavingAdjust: function(date) {
1294          if (!date) return null;
1295          date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
1296          return date;
1297      },
1298  
1299      /* Set the date(s) directly. */

1300      _setDate: function(inst, date, endDate) {
1301          var clear = !(date);
1302          var origMonth = inst.selectedMonth;
1303          var origYear = inst.selectedYear;
1304          date = this._determineDate(date, new Date());
1305          inst.selectedDay = inst.currentDay = date.getDate();
1306          inst.drawMonth = inst.selectedMonth = inst.currentMonth = date.getMonth();
1307          inst.drawYear = inst.selectedYear = inst.currentYear = date.getFullYear();
1308          if (this._get(inst, 'rangeSelect')) {
1309              if (endDate) {
1310                  endDate = this._determineDate(endDate, null);
1311                  inst.endDay = endDate.getDate();
1312                  inst.endMonth = endDate.getMonth();
1313                  inst.endYear = endDate.getFullYear();
1314              } else {
1315                  inst.endDay = inst.currentDay;
1316                  inst.endMonth = inst.currentMonth;
1317                  inst.endYear = inst.currentYear;
1318              }
1319          }
1320          if (origMonth != inst.selectedMonth || origYear != inst.selectedYear)
1321              this._notifyChange(inst);
1322          this._adjustInstDate(inst);
1323          if (inst.input)
1324              inst.input.val(clear ? '' : this._formatDate(inst) +
1325                  (!this._get(inst, 'rangeSelect') ? '' : this._get(inst, 'rangeSeparator') +
1326                  this._formatDate(inst, inst.endDay, inst.endMonth, inst.endYear)));
1327      },
1328  
1329      /* Retrieve the date(s) directly. */

1330      _getDate: function(inst) {
1331          var startDate = (!inst.currentYear || (inst.input && inst.input.val() == '') ? null :
1332              this._daylightSavingAdjust(new Date(
1333              inst.currentYear, inst.currentMonth, inst.currentDay)));
1334          if (this._get(inst, 'rangeSelect')) {
1335              return [inst.rangeStart || startDate,
1336                  (!inst.endYear ? inst.rangeStart || startDate :
1337                  this._daylightSavingAdjust(new Date(inst.endYear, inst.endMonth, inst.endDay)))];
1338          } else
1339              return startDate;
1340      },
1341  
1342      /* Generate the HTML for the current state of the date picker. */

1343      _generateHTML: function(inst) {
1344          var today = new Date();
1345          today = this._daylightSavingAdjust(
1346              new Date(today.getFullYear(), today.getMonth(), today.getDate())); // clear time

1347          var showStatus = this._get(inst, 'showStatus');
1348          var initStatus = this._get(inst, 'initStatus') || '&#xa0;';
1349          var isRTL = this._get(inst, 'isRTL');
1350          // build the date picker HTML

1351          var clear = (this._get(inst, 'mandatory') ? '' :
1352              '<div class="ui-datepicker-clear"><a onclick="jQuery.datepicker._clearDate(\'#' + inst.id + '\');"' +
1353              this._addStatus(showStatus, inst.id, this._get(inst, 'clearStatus'), initStatus) + '>' +
1354              this._get(inst, 'clearText') + '</a></div>');
1355          var controls = '<div class="ui-datepicker-control">' + (isRTL ? '' : clear) +
1356              '<div class="ui-datepicker-close"><a onclick="jQuery.datepicker._hideDatepicker();"' +
1357              this._addStatus(showStatus, inst.id, this._get(inst, 'closeStatus'), initStatus) + '>' +
1358              this._get(inst, 'closeText') + '</a></div>' + (isRTL ? clear : '')  + '</div>';
1359          var prompt = this._get(inst, 'prompt');
1360          var closeAtTop = this._get(inst, 'closeAtTop');
1361          var hideIfNoPrevNext = this._get(inst, 'hideIfNoPrevNext');
1362          var navigationAsDateFormat = this._get(inst, 'navigationAsDateFormat');
1363          var showBigPrevNext = this._get(inst, 'showBigPrevNext');
1364          var numMonths = this._getNumberOfMonths(inst);
1365          var showCurrentAtPos = this._get(inst, 'showCurrentAtPos');
1366          var stepMonths = this._get(inst, 'stepMonths');
1367          var stepBigMonths = this._get(inst, 'stepBigMonths');
1368          var isMultiMonth = (numMonths[0] != 1 || numMonths[1] != 1);
1369          var currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
1370              new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1371          var minDate = this._getMinMaxDate(inst, 'min', true);
1372          var maxDate = this._getMinMaxDate(inst, 'max');
1373          var drawMonth = inst.drawMonth - showCurrentAtPos;
1374          var drawYear = inst.drawYear;
1375          if (drawMonth < 0) {
1376              drawMonth += 12;
1377              drawYear--;
1378          }
1379          if (maxDate) {
1380              var maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
1381                  maxDate.getMonth() - numMonths[1] + 1, maxDate.getDate()));
1382              maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
1383              while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
1384                  drawMonth--;
1385                  if (drawMonth < 0) {
1386                      drawMonth = 11;
1387                      drawYear--;
1388                  }
1389              }
1390          }
1391          // controls and links

1392          var prevText = this._get(inst, 'prevText');
1393          prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
1394              this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
1395              this._getFormatConfig(inst)));
1396          var prevBigText = (showBigPrevNext ? this._get(inst, 'prevBigText') : '');
1397          prevBigText = (!navigationAsDateFormat ? prevBigText : this.formatDate(prevBigText,
1398              this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepBigMonths, 1)),
1399              this._getFormatConfig(inst)));
1400          var prev = '<div class="ui-datepicker-prev">' + (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
1401              (showBigPrevNext ? '<a onclick="jQuery.datepicker._adjustDate(\'#' + inst.id + '\', -' + stepBigMonths + ', \'M\');"' +
1402              this._addStatus(showStatus, inst.id, this._get(inst, 'prevBigStatus'), initStatus) + '>' + prevBigText + '</a>' : '') +
1403              '<a onclick="jQuery.datepicker._adjustDate(\'#' + inst.id + '\', -' + stepMonths + ', \'M\');"' +
1404              this._addStatus(showStatus, inst.id, this._get(inst, 'prevStatus'), initStatus) + '>' + prevText + '</a>' :
1405              (hideIfNoPrevNext ? '' : (showBigPrevNext ? '<label>' + prevBigText + '</label>' : '') +
1406              '<label>' + prevText + '</label>')) + '</div>';
1407          var nextText = this._get(inst, 'nextText');
1408          nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
1409              this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
1410              this._getFormatConfig(inst)));
1411          var nextBigText = (showBigPrevNext ? this._get(inst, 'nextBigText') : '');
1412          nextBigText = (!navigationAsDateFormat ? nextBigText : this.formatDate(nextBigText,
1413              this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepBigMonths, 1)),
1414              this._getFormatConfig(inst)));
1415          var next = '<div class="ui-datepicker-next">' + (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
1416              '<a onclick="jQuery.datepicker._adjustDate(\'#' + inst.id + '\', +' + stepMonths + ', \'M\');"' +
1417              this._addStatus(showStatus, inst.id, this._get(inst, 'nextStatus'), initStatus) + '>' + nextText + '</a>' +
1418              (showBigPrevNext ? '<a onclick="jQuery.datepicker._adjustDate(\'#' + inst.id + '\', +' + stepBigMonths + ', \'M\');"' +
1419              this._addStatus(showStatus, inst.id, this._get(inst, 'nextBigStatus'), initStatus) + '>' + nextBigText + '</a>' : '') :
1420              (hideIfNoPrevNext ? '' : '<label>' + nextText + '</label>' +
1421              (showBigPrevNext ? '<label>' + nextBigText + '</label>' : ''))) + '</div>';
1422          var currentText = this._get(inst, 'currentText');
1423          var gotoDate = (this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today);
1424          currentText = (!navigationAsDateFormat ? currentText :
1425              this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
1426          var html = (closeAtTop && !inst.inline ? controls : '') +
1427              '<div class="ui-datepicker-links">' + (isRTL ? next : prev) +
1428              (this._isInRange(inst, gotoDate) ? '<div class="ui-datepicker-current">' +
1429              '<a onclick="jQuery.datepicker._gotoToday(\'#' + inst.id + '\');"' +
1430              this._addStatus(showStatus, inst.id, this._get(inst, 'currentStatus'), initStatus) + '>' +
1431              currentText + '</a></div>' : '') + (isRTL ? prev : next) + '</div>' +
1432              (prompt ? '<div class="' + this._promptClass + '"><span>' + prompt + '</span></div>' : '');
1433          var firstDay = parseInt(this._get(inst, 'firstDay'));
1434          firstDay = (isNaN(firstDay) ? 0 : firstDay);
1435          var changeFirstDay = this._get(inst, 'changeFirstDay');
1436          var dayNames = this._get(inst, 'dayNames');
1437          var dayNamesShort = this._get(inst, 'dayNamesShort');
1438          var dayNamesMin = this._get(inst, 'dayNamesMin');
1439          var monthNames = this._get(inst, 'monthNames');
1440          var beforeShowDay = this._get(inst, 'beforeShowDay');
1441          var highlightWeek = this._get(inst, 'highlightWeek');
1442          var showOtherMonths = this._get(inst, 'showOtherMonths');
1443          var showWeeks = this._get(inst, 'showWeeks');
1444          var calculateWeek = this._get(inst, 'calculateWeek') || this.iso8601Week;
1445          var weekStatus = this._get(inst, 'weekStatus');
1446          var status = (showStatus ? this._get(inst, 'dayStatus') || initStatus : '');
1447          var dateStatus = this._get(inst, 'statusForDate') || this.dateStatus;
1448          var endDate = inst.endDay ? this._daylightSavingAdjust(
1449              new Date(inst.endYear, inst.endMonth, inst.endDay)) : currentDate;
1450          var defaultDate = this._getDefaultDate(inst);
1451          for (var row = 0; row < numMonths[0]; row++)
1452              for (var col = 0; col < numMonths[1]; col++) {
1453                  var selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
1454                  html += '<div class="ui-datepicker-one-month' + (col == 0 ? ' ui-datepicker-new-row' : '') + '">' +
1455                      this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
1456                      selectedDate, row > 0 || col > 0, showStatus, initStatus, monthNames) + // draw month headers
1457                      '<table class="ui-datepicker" cellpadding="0" cellspacing="0"><thead>' +
1458                      '<tr class="ui-datepicker-title-row">' +
1459                      (showWeeks ? '<td' + this._addStatus(showStatus, inst.id, weekStatus, initStatus) + '>' +
1460                      this._get(inst, 'weekHeader') + '</td>' : '');
1461                  for (var dow = 0; dow < 7; dow++) { // days of the week
1462                      var day = (dow + firstDay) % 7;
1463                      var dayStatus = (status.indexOf('DD') > -1 ? status.replace(/DD/, dayNames[day]) :
1464                          status.replace(/D/, dayNamesShort[day]));
1465                      html += '<td' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="ui-datepicker-week-end-cell"' : '') + '>' +
1466                          (!changeFirstDay ? '<span' :
1467                          '<a onclick="jQuery.datepicker._changeFirstDay(\'#' + inst.id + '\', ' + day + ');"') +
1468                          this._addStatus(showStatus, inst.id, dayStatus, initStatus) + ' title="' + dayNames[day] + '">' +
1469                          dayNamesMin[day] + (changeFirstDay ? '</a>' : '</span>') + '</td>';
1470                  }
1471                  html += '</tr></thead><tbody>';
1472                  var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
1473                  if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth)
1474                      inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
1475                  var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
1476                  var numRows = (isMultiMonth ? 6 : Math.ceil((leadDays + daysInMonth) / 7)); // calculate the number of rows to generate

1477                  var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
1478                  for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
1479                      html += '<tr class="ui-datepicker-days-row">' +
1480                          (showWeeks ? '<td class="ui-datepicker-week-col"' +
1481                          this._addStatus(showStatus, inst.id, weekStatus, initStatus) + '>' +
1482                          calculateWeek(printDate) + '</td>' : '');
1483                      for (var dow = 0; dow < 7; dow++) { // create date picker days
1484                          var daySettings = (beforeShowDay ?
1485                              beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']);
1486                          var otherMonth = (printDate.getMonth() != drawMonth);
1487                          var unselectable = otherMonth || !daySettings[0] ||
1488                              (minDate && printDate < minDate) || (maxDate && printDate > maxDate);
1489                          html += '<td class="ui-datepicker-days-cell' +
1490                              ((dow + firstDay + 6) % 7 >= 5 ? ' ui-datepicker-week-end-cell' : '') + // highlight weekends
1491                              (otherMonth ? ' ui-datepicker-other-month' : '') + // highlight days from other months
1492                              ((printDate.getTime() == selectedDate.getTime() && drawMonth == inst.selectedMonth && inst._keyEvent) || // user pressed key
1493                              (defaultDate.getTime() == printDate.getTime() && defaultDate.getTime() == selectedDate.getTime()) ?
1494                              // or defaultDate is current printedDate and defaultDate is selectedDate

1495                              ' ' + $.datepicker._dayOverClass : '') + // highlight selected day
1496                              (unselectable ? ' ' + this._unselectableClass : '') +  // highlight unselectable days
1497                              (otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + // highlight custom dates
1498                              (printDate.getTime() >= currentDate.getTime() && printDate.getTime() <= endDate.getTime() ? // in current range
1499                              ' ' + this._currentClass : '') + // highlight selected day
1500                              (printDate.getTime() == today.getTime() ? ' ui-datepicker-today' : '')) + '"' + // highlight today (if different)
1501                              ((!otherMonth || showOtherMonths) && daySettings[2] ? ' title="' + daySettings[2] + '"' : '') + // cell title
1502                              (unselectable ? (highlightWeek ? ' onmouseover="jQuery(this).parent().addClass(\'' + this._weekOverClass + '\');"' + // highlight selection week
1503                              ' onmouseout="jQuery(this).parent().removeClass(\'' + this._weekOverClass + '\');"' : '') : // unhighlight selection week
1504                              ' onmouseover="jQuery(this).addClass(\'' + this._dayOverClass + '\')' + // highlight selection
1505                              (highlightWeek ? '.parent().addClass(\'' + this._weekOverClass + '\')' : '') + ';' + // highlight selection week
1506                              (!showStatus || (otherMonth && !showOtherMonths) ? '' : 'jQuery(\'#ui-datepicker-status-' +
1507                              inst.id + '\').html(\'' + (dateStatus.apply((inst.input ? inst.input[0] : null),
1508                              [printDate, inst]) || initStatus) +'\');') + '"' +
1509                              ' onmouseout="jQuery(this).removeClass(\'' + this._dayOverClass + '\')' + // unhighlight selection
1510                              (highlightWeek ? '.parent().removeClass(\'' + this._weekOverClass + '\')' : '') + ';' + // unhighlight selection week
1511                              (!showStatus || (otherMonth && !showOtherMonths) ? '' : 'jQuery(\'#ui-datepicker-status-' +
1512                              inst.id + '\').html(\'' + initStatus + '\');') + '" onclick="jQuery.datepicker._selectDay(\'#' +
1513                              inst.id + '\',' + drawMonth + ',' + drawYear + ', this);"') + '>' + // actions
1514                              (otherMonth ? (showOtherMonths ? printDate.getDate() : '&#xa0;') : // display for other months
1515                              (unselectable ? printDate.getDate() : '<a>' + printDate.getDate() + '</a>')) + '</td>'; // display for this month

1516                          printDate.setDate(printDate.getDate() + 1);
1517                          printDate = this._daylightSavingAdjust(printDate);
1518                      }
1519                      html += '</tr>';
1520                  }
1521                  drawMonth++;
1522                  if (drawMonth > 11) {
1523                      drawMonth = 0;
1524                      drawYear++;
1525                  }
1526                  html += '</tbody></table></div>';
1527              }
1528          html += (showStatus ? '<div style="clear: both;"></div><div id="ui-datepicker-status-' + inst.id +
1529              '" class="ui-datepicker-status">' + initStatus + '</div>' : '') +
1530              (!closeAtTop && !inst.inline ? controls : '') +
1531              '<div style="clear: both;"></div>' +
1532              ($.browser.msie && parseInt($.browser.version,10) < 7 && !inst.inline ?
1533              '<iframe src="javascript:false;" class="ui-datepicker-cover"></iframe>' : '');
1534          inst._keyEvent = false;
1535          return html;
1536      },
1537  
1538      /* Generate the month and year header. */

1539      _generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
1540              selectedDate, secondary, showStatus, initStatus, monthNames) {
1541          minDate = (inst.rangeStart && minDate && selectedDate < minDate ? selectedDate : minDate);
1542          var changeMonth = this._get(inst, 'changeMonth');
1543          var changeYear = this._get(inst, 'changeYear');
1544          var showMonthAfterYear = this._get(inst, 'showMonthAfterYear');
1545          var html = '<div class="ui-datepicker-header">';
1546          var monthHtml = '';
1547          // month selection

1548          if (secondary || !changeMonth)
1549              monthHtml += monthNames[drawMonth];
1550          else {
1551              var inMinYear = (minDate && minDate.getFullYear() == drawYear);
1552              var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear);
1553              monthHtml += '<select class="ui-datepicker-new-month" ' +
1554                  'onchange="jQuery.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'M\');" ' +
1555                  'onclick="jQuery.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
1556                  this._addStatus(showStatus, inst.id, this._get(inst, 'monthStatus'), initStatus) + '>';
1557              for (var month = 0; month < 12; month++) {
1558                  if ((!inMinYear || month >= minDate.getMonth()) &&
1559                          (!inMaxYear || month <= maxDate.getMonth()))
1560                      monthHtml += '<option value="' + month + '"' +
1561                          (month == drawMonth ? ' selected="selected"' : '') +
1562                          '>' + monthNames[month] + '</option>';
1563              }
1564              monthHtml += '</select>';
1565          }
1566          if (!showMonthAfterYear)
1567              html += monthHtml + (secondary || changeMonth || changeYear ? '&#xa0;' : '');
1568          // year selection

1569          if (secondary || !changeYear)
1570              html += drawYear;
1571          else {
1572              // determine range of years to display

1573              var years = this._get(inst, 'yearRange').split(':');
1574              var year = 0;
1575              var endYear = 0;
1576              if (years.length != 2) {
1577                  year = drawYear - 10;
1578                  endYear = drawYear + 10;
1579              } else if (years[0].charAt(0) == '+' || years[0].charAt(0) == '-') {
1580                  year = endYear = new Date().getFullYear();
1581                  year += parseInt(years[0], 10);
1582                  endYear += parseInt(years[1], 10);
1583              } else {
1584                  year = parseInt(years[0], 10);
1585                  endYear = parseInt(years[1], 10);
1586              }
1587              year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
1588              endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
1589              html += '<select class="ui-datepicker-new-year" ' +
1590                  'onchange="jQuery.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'Y\');" ' +
1591                  'onclick="jQuery.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
1592                  this._addStatus(showStatus, inst.id, this._get(inst, 'yearStatus'), initStatus) + '>';
1593              for (; year <= endYear; year++) {
1594                  html += '<option value="' + year + '"' +
1595                      (year == drawYear ? ' selected="selected"' : '') +
1596                      '>' + year + '</option>';
1597              }
1598              html += '</select>';
1599          }
1600          if (showMonthAfterYear)
1601              html += (secondary || changeMonth || changeYear ? '&#xa0;' : '') + monthHtml;
1602          html += '</div>'; // Close datepicker_header

1603          return html;
1604      },
1605  
1606      /* Provide code to set and clear the status panel. */

1607      _addStatus: function(showStatus, id, text, initStatus) {
1608          return (showStatus ? ' onmouseover="jQuery(\'#ui-datepicker-status-' + id +
1609              '\').html(\'' + (text || initStatus) + '\');" ' +
1610              'onmouseout="jQuery(\'#ui-datepicker-status-' + id +
1611              '\').html(\'' + initStatus + '\');"' : '');
1612      },
1613  
1614      /* Adjust one of the date sub-fields. */

1615      _adjustInstDate: function(inst, offset, period) {
1616          var year = inst.drawYear + (period == 'Y' ? offset : 0);
1617          var month = inst.drawMonth + (period == 'M' ? offset : 0);
1618          var day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) +
1619              (period == 'D' ? offset : 0);
1620          var date = this._daylightSavingAdjust(new Date(year, month, day));
1621          // ensure it is within the bounds set

1622          var minDate = this._getMinMaxDate(inst, 'min', true);
1623          var maxDate = this._getMinMaxDate(inst, 'max');
1624          date = (minDate && date < minDate ? minDate : date);
1625          date = (maxDate && date > maxDate ? maxDate : date);
1626          inst.selectedDay = date.getDate();
1627          inst.drawMonth = inst.selectedMonth = date.getMonth();
1628          inst.drawYear = inst.selectedYear = date.getFullYear();
1629          if (period == 'M' || period == 'Y')
1630              this._notifyChange(inst);
1631      },
1632  
1633      /* Notify change of month/year. */

1634      _notifyChange: function(inst) {
1635          var onChange = this._get(inst, 'onChangeMonthYear');
1636          if (onChange)
1637              onChange.apply((inst.input ? inst.input[0] : null),
1638                  [inst.selectedYear, inst.selectedMonth + 1, inst]);
1639      },
1640  
1641      /* Determine the number of months to show. */

1642      _getNumberOfMonths: function(inst) {
1643          var numMonths = this._get(inst, 'numberOfMonths');
1644          return (numMonths == null ? [1, 1] : (typeof numMonths == 'number' ? [1, numMonths] : numMonths));
1645      },
1646  
1647      /* Determine the current maximum date - ensure no time components are set - may be overridden for a range. */

1648      _getMinMaxDate: function(inst, minMax, checkRange) {
1649          var date = this._determineDate(this._get(inst, minMax + 'Date'), null);
1650          return (!checkRange || !inst.rangeStart ? date :
1651              (!date || inst.rangeStart > date ? inst.rangeStart : date));
1652      },
1653  
1654      /* Find the number of days in a given month. */

1655      _getDaysInMonth: function(year, month) {
1656          return 32 - new Date(year, month, 32).getDate();
1657      },
1658  
1659      /* Find the day of the week of the first of a month. */

1660      _getFirstDayOfMonth: function(year, month) {
1661          return new Date(year, month, 1).getDay();
1662      },
1663  
1664      /* Determines if we should allow a "next/prev" month display change. */

1665      _canAdjustMonth: function(inst, offset, curYear, curMonth) {
1666          var numMonths = this._getNumberOfMonths(inst);
1667          var date = this._daylightSavingAdjust(new Date(
1668              curYear, curMonth + (offset < 0 ? offset : numMonths[1]), 1));
1669          if (offset < 0)
1670              date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
1671          return this._isInRange(inst, date);
1672      },
1673  
1674      /* Is the given date in the accepted range? */

1675      _isInRange: function(inst, date) {
1676          // during range selection, use minimum of selected date and range start

1677          var newMinDate = (!inst.rangeStart ? null : this._daylightSavingAdjust(
1678              new Date(inst.selectedYear, inst.selectedMonth, inst.selectedDay)));
1679          newMinDate = (newMinDate && inst.rangeStart < newMinDate ? inst.rangeStart : newMinDate);
1680          var minDate = newMinDate || this._getMinMaxDate(inst, 'min');
1681          var maxDate = this._getMinMaxDate(inst, 'max');
1682          return ((!minDate || date >= minDate) && (!maxDate || date <= maxDate));
1683      },
1684  
1685      /* Provide the configuration settings for formatting/parsing. */

1686      _getFormatConfig: function(inst) {
1687          var shortYearCutoff = this._get(inst, 'shortYearCutoff');
1688          shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
1689              new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
1690          return {shortYearCutoff: shortYearCutoff,
1691              dayNamesShort: this._get(inst, 'dayNamesShort'), dayNames: this._get(inst, 'dayNames'),
1692              monthNamesShort: this._get(inst, 'monthNamesShort'), monthNames: this._get(inst, 'monthNames')};
1693      },
1694  
1695      /* Format the given date for display. */

1696      _formatDate: function(inst, day, month, year) {
1697          if (!day) {
1698              inst.currentDay = inst.selectedDay;
1699              inst.currentMonth = inst.selectedMonth;
1700              inst.currentYear = inst.selectedYear;
1701          }
1702          var date = (day ? (typeof day == 'object' ? day :
1703              this._daylightSavingAdjust(new Date(year, month, day))) :
1704              this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1705          return this.formatDate(this._get(inst, 'dateFormat'), date, this._getFormatConfig(inst));
1706      }
1707  });
1708  
1709  /* jQuery extend now ignores nulls! */

1710  function extendRemove(target, props) {
1711      $.extend(target, props);
1712      for (var name in props)
1713          if (props[name] == null || props[name] == undefined)
1714              target[name] = props[name];
1715      return target;
1716  };
1717  
1718  /* Determine whether an object is an array. */

1719  function isArray(a) {
1720      return (a && (($.browser.safari && typeof a == 'object' && a.length) ||
1721          (a.constructor && a.constructor.toString().match(/\Array\(\)/))));
1722  };
1723  
1724  /* Invoke the datepicker functionality.

1725     @param  options  string - a command, optionally followed by additional parameters or

1726                      Object - settings for attaching new datepicker functionality

1727     @return  jQuery object */
1728  $.fn.datepicker = function(options){
1729  
1730      /* Initialise the date picker. */

1731      if (!$.datepicker.initialized) {
1732          $(document.body).append($.datepicker.dpDiv).
1733              mousedown($.datepicker._checkExternalClick);
1734          $.datepicker.initialized = true;
1735      }
1736  
1737      var otherArgs = Array.prototype.slice.call(arguments, 1);
1738      if (typeof options == 'string' && (options == 'isDisabled' || options == 'getDate'))
1739          return $.datepicker['_' + options + 'Datepicker'].
1740              apply($.datepicker, [this[0]].concat(otherArgs));
1741      return this.each(function() {
1742          typeof options == 'string' ?
1743              $.datepicker['_' + options + 'Datepicker'].
1744                  apply($.datepicker, [this].concat(otherArgs)) :
1745              $.datepicker._attachDatepicker(this, options);
1746      });
1747  };
1748  
1749  $.datepicker = new Datepicker(); // singleton instance

1750  $.datepicker.initialized = false;
1751  $.datepicker.uuid = new Date().getTime();
1752  $.datepicker.version = "1.6";
1753  
1754  })(jQuery);


Generated: Thu Mar 24 11:18:33 2011 Cross-referenced by PHPXref 0.7