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socketioMEANseed/www/bower_components/angular-material/modules/js/datepicker/datepicker.js
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   1/*!
   2 * Angular Material Design
   3 * https://github.com/angular/material
   4 * @license MIT
   5 * v1.1.3
   6 */
   7(function( window, angular, undefined ){
   8"use strict";
   9
  10/**
  11 * @ngdoc module
  12 * @name material.components.datepicker
  13 * @description Module for the datepicker component.
  14 */
  15
  16angular.module('material.components.datepicker', [
  17  'material.core',
  18  'material.components.icon',
  19  'material.components.virtualRepeat'
  20]);
  21
  22(function() {
  23  'use strict';
  24
  25  /**
  26   * @ngdoc directive
  27   * @name mdCalendar
  28   * @module material.components.datepicker
  29   *
  30   * @param {Date} ng-model The component's model. Should be a Date object.
  31   * @param {Date=} md-min-date Expression representing the minimum date.
  32   * @param {Date=} md-max-date Expression representing the maximum date.
  33   * @param {(function(Date): boolean)=} md-date-filter Function expecting a date and returning a boolean whether it can be selected or not.
  34   *
  35   * @description
  36   * `<md-calendar>` is a component that renders a calendar that can be used to select a date.
  37   * It is a part of the `<md-datepicker` pane, however it can also be used on it's own.
  38   *
  39   * @usage
  40   *
  41   * <hljs lang="html">
  42   *   <md-calendar ng-model="birthday"></md-calendar>
  43   * </hljs>
  44   */
  45  CalendarCtrl['$inject'] = ["$element", "$scope", "$$mdDateUtil", "$mdUtil", "$mdConstant", "$mdTheming", "$$rAF", "$attrs", "$mdDateLocale"];
  46  angular.module('material.components.datepicker')
  47    .directive('mdCalendar', calendarDirective);
  48
  49  // POST RELEASE
  50  // TODO(jelbourn): Mac Cmd + left / right == Home / End
  51  // TODO(jelbourn): Refactor month element creation to use cloneNode (performance).
  52  // TODO(jelbourn): Define virtual scrolling constants (compactness) users can override.
  53  // TODO(jelbourn): Animated month transition on ng-model change (virtual-repeat)
  54  // TODO(jelbourn): Scroll snapping (virtual repeat)
  55  // TODO(jelbourn): Remove superfluous row from short months (virtual-repeat)
  56  // TODO(jelbourn): Month headers stick to top when scrolling.
  57  // TODO(jelbourn): Previous month opacity is lowered when partially scrolled out of view.
  58  // TODO(jelbourn): Support md-calendar standalone on a page (as a tabstop w/ aria-live
  59  //     announcement and key handling).
  60  // Read-only calendar (not just date-picker).
  61
  62  function calendarDirective() {
  63    return {
  64      template: function(tElement, tAttr) {
  65        // TODO(crisbeto): This is a workaround that allows the calendar to work, without
  66        // a datepicker, until issue #8585 gets resolved. It can safely be removed
  67        // afterwards. This ensures that the virtual repeater scrolls to the proper place on load by
  68        // deferring the execution until the next digest. It's necessary only if the calendar is used
  69        // without a datepicker, otherwise it's already wrapped in an ngIf.
  70        var extraAttrs = tAttr.hasOwnProperty('ngIf') ? '' : 'ng-if="calendarCtrl.isInitialized"';
  71        var template = '' +
  72          '<div ng-switch="calendarCtrl.currentView" ' + extraAttrs + '>' +
  73            '<md-calendar-year ng-switch-when="year"></md-calendar-year>' +
  74            '<md-calendar-month ng-switch-default></md-calendar-month>' +
  75          '</div>';
  76
  77        return template;
  78      },
  79      scope: {
  80        minDate: '=mdMinDate',
  81        maxDate: '=mdMaxDate',
  82        dateFilter: '=mdDateFilter',
  83        _currentView: '@mdCurrentView'
  84      },
  85      require: ['ngModel', 'mdCalendar'],
  86      controller: CalendarCtrl,
  87      controllerAs: 'calendarCtrl',
  88      bindToController: true,
  89      link: function(scope, element, attrs, controllers) {
  90        var ngModelCtrl = controllers[0];
  91        var mdCalendarCtrl = controllers[1];
  92        mdCalendarCtrl.configureNgModel(ngModelCtrl);
  93      }
  94    };
  95  }
  96
  97  /**
  98   * Occasionally the hideVerticalScrollbar method might read an element's
  99   * width as 0, because it hasn't been laid out yet. This value will be used
 100   * as a fallback, in order to prevent scenarios where the element's width
 101   * would otherwise have been set to 0. This value is the "usual" width of a
 102   * calendar within a floating calendar pane.
 103   */
 104  var FALLBACK_WIDTH = 340;
 105
 106  /** Next identifier for calendar instance. */
 107  var nextUniqueId = 0;
 108
 109  /**
 110   * Controller for the mdCalendar component.
 111   * ngInject @constructor
 112   */
 113  function CalendarCtrl($element, $scope, $$mdDateUtil, $mdUtil,
 114    $mdConstant, $mdTheming, $$rAF, $attrs, $mdDateLocale) {
 115
 116    $mdTheming($element);
 117
 118    /** @final {!angular.JQLite} */
 119    this.$element = $element;
 120
 121    /** @final {!angular.Scope} */
 122    this.$scope = $scope;
 123
 124    /** @final */
 125    this.dateUtil = $$mdDateUtil;
 126
 127    /** @final */
 128    this.$mdUtil = $mdUtil;
 129
 130    /** @final */
 131    this.keyCode = $mdConstant.KEY_CODE;
 132
 133    /** @final */
 134    this.$$rAF = $$rAF;
 135
 136    /** @final */
 137    this.$mdDateLocale = $mdDateLocale;
 138
 139    /** @final {Date} */
 140    this.today = this.dateUtil.createDateAtMidnight();
 141
 142    /** @type {!angular.NgModelController} */
 143    this.ngModelCtrl = null;
 144
 145    /** @type {String} Class applied to the selected date cell. */
 146    this.SELECTED_DATE_CLASS = 'md-calendar-selected-date';
 147
 148    /** @type {String} Class applied to the cell for today. */
 149    this.TODAY_CLASS = 'md-calendar-date-today';
 150
 151    /** @type {String} Class applied to the focused cell. */
 152    this.FOCUSED_DATE_CLASS = 'md-focus';
 153
 154    /** @final {number} Unique ID for this calendar instance. */
 155    this.id = nextUniqueId++;
 156
 157    /**
 158     * The date that is currently focused or showing in the calendar. This will initially be set
 159     * to the ng-model value if set, otherwise to today. It will be updated as the user navigates
 160     * to other months. The cell corresponding to the displayDate does not necesarily always have
 161     * focus in the document (such as for cases when the user is scrolling the calendar).
 162     * @type {Date}
 163     */
 164    this.displayDate = null;
 165
 166    /**
 167     * The selected date. Keep track of this separately from the ng-model value so that we
 168     * can know, when the ng-model value changes, what the previous value was before it's updated
 169     * in the component's UI.
 170     *
 171     * @type {Date}
 172     */
 173    this.selectedDate = null;
 174
 175    /**
 176     * The first date that can be rendered by the calendar. The default is taken
 177     * from the mdDateLocale provider and is limited by the mdMinDate.
 178     * @type {Date}
 179     */
 180    this.firstRenderableDate = null;
 181
 182    /**
 183     * The last date that can be rendered by the calendar. The default comes
 184     * from the mdDateLocale provider and is limited by the maxDate.
 185     * @type {Date}
 186     */
 187    this.lastRenderableDate = null;
 188
 189    /**
 190     * Used to toggle initialize the root element in the next digest.
 191     * @type {Boolean}
 192     */
 193    this.isInitialized = false;
 194
 195    /**
 196     * Cache for the  width of the element without a scrollbar. Used to hide the scrollbar later on
 197     * and to avoid extra reflows when switching between views.
 198     * @type {Number}
 199     */
 200    this.width = 0;
 201
 202    /**
 203     * Caches the width of the scrollbar in order to be used when hiding it and to avoid extra reflows.
 204     * @type {Number}
 205     */
 206    this.scrollbarWidth = 0;
 207
 208    // Unless the user specifies so, the calendar should not be a tab stop.
 209    // This is necessary because ngAria might add a tabindex to anything with an ng-model
 210    // (based on whether or not the user has turned that particular feature on/off).
 211    if (!$attrs.tabindex) {
 212      $element.attr('tabindex', '-1');
 213    }
 214
 215    var boundKeyHandler = angular.bind(this, this.handleKeyEvent);
 216
 217
 218
 219    // If use the md-calendar directly in the body without datepicker,
 220    // handleKeyEvent will disable other inputs on the page.
 221    // So only apply the handleKeyEvent on the body when the md-calendar inside datepicker,
 222    // otherwise apply on the calendar element only.
 223
 224    var handleKeyElement;
 225    if ($element.parent().hasClass('md-datepicker-calendar')) {
 226      handleKeyElement = angular.element(document.body);
 227    } else {
 228      handleKeyElement = $element;
 229    }
 230
 231    // Bind the keydown handler to the body, in order to handle cases where the focused
 232    // element gets removed from the DOM and stops propagating click events.
 233    handleKeyElement.on('keydown', boundKeyHandler);
 234
 235    $scope.$on('$destroy', function() {
 236      handleKeyElement.off('keydown', boundKeyHandler);
 237    });
 238
 239    // For Angular 1.4 and older, where there are no lifecycle hooks but bindings are pre-assigned,
 240    // manually call the $onInit hook.
 241    if (angular.version.major === 1 && angular.version.minor <= 4) {
 242      this.$onInit();
 243    }
 244
 245  }
 246
 247  /**
 248   * Angular Lifecycle hook for newer Angular versions.
 249   * Bindings are not guaranteed to have been assigned in the controller, but they are in the $onInit hook.
 250   */
 251  CalendarCtrl.prototype.$onInit = function() {
 252
 253    /**
 254     * The currently visible calendar view. Note the prefix on the scope value,
 255     * which is necessary, because the datepicker seems to reset the real one value if the
 256     * calendar is open, but the value on the datepicker's scope is empty.
 257     * @type {String}
 258     */
 259    this.currentView = this._currentView || 'month';
 260
 261    var dateLocale = this.$mdDateLocale;
 262
 263    if (this.minDate && this.minDate > dateLocale.firstRenderableDate) {
 264      this.firstRenderableDate = this.minDate;
 265    } else {
 266      this.firstRenderableDate = dateLocale.firstRenderableDate;
 267    }
 268
 269    if (this.maxDate && this.maxDate < dateLocale.lastRenderableDate) {
 270      this.lastRenderableDate = this.maxDate;
 271    } else {
 272      this.lastRenderableDate = dateLocale.lastRenderableDate;
 273    }
 274  };
 275
 276  /**
 277   * Sets up the controller's reference to ngModelController.
 278   * @param {!angular.NgModelController} ngModelCtrl
 279   */
 280  CalendarCtrl.prototype.configureNgModel = function(ngModelCtrl) {
 281    var self = this;
 282
 283    self.ngModelCtrl = ngModelCtrl;
 284
 285    self.$mdUtil.nextTick(function() {
 286      self.isInitialized = true;
 287    });
 288
 289    ngModelCtrl.$render = function() {
 290      var value = this.$viewValue;
 291
 292      // Notify the child scopes of any changes.
 293      self.$scope.$broadcast('md-calendar-parent-changed', value);
 294
 295      // Set up the selectedDate if it hasn't been already.
 296      if (!self.selectedDate) {
 297        self.selectedDate = value;
 298      }
 299
 300      // Also set up the displayDate.
 301      if (!self.displayDate) {
 302        self.displayDate = self.selectedDate || self.today;
 303      }
 304    };
 305  };
 306
 307  /**
 308   * Sets the ng-model value for the calendar and emits a change event.
 309   * @param {Date} date
 310   */
 311  CalendarCtrl.prototype.setNgModelValue = function(date) {
 312    var value = this.dateUtil.createDateAtMidnight(date);
 313    this.focus(value);
 314    this.$scope.$emit('md-calendar-change', value);
 315    this.ngModelCtrl.$setViewValue(value);
 316    this.ngModelCtrl.$render();
 317    return value;
 318  };
 319
 320  /**
 321   * Sets the current view that should be visible in the calendar
 322   * @param {string} newView View name to be set.
 323   * @param {number|Date} time Date object or a timestamp for the new display date.
 324   */
 325  CalendarCtrl.prototype.setCurrentView = function(newView, time) {
 326    var self = this;
 327
 328    self.$mdUtil.nextTick(function() {
 329      self.currentView = newView;
 330
 331      if (time) {
 332        self.displayDate = angular.isDate(time) ? time : new Date(time);
 333      }
 334    });
 335  };
 336
 337  /**
 338   * Focus the cell corresponding to the given date.
 339   * @param {Date} date The date to be focused.
 340   */
 341  CalendarCtrl.prototype.focus = function(date) {
 342    if (this.dateUtil.isValidDate(date)) {
 343      var previousFocus = this.$element[0].querySelector('.md-focus');
 344      if (previousFocus) {
 345        previousFocus.classList.remove(this.FOCUSED_DATE_CLASS);
 346      }
 347
 348      var cellId = this.getDateId(date, this.currentView);
 349      var cell = document.getElementById(cellId);
 350      if (cell) {
 351        cell.classList.add(this.FOCUSED_DATE_CLASS);
 352        cell.focus();
 353        this.displayDate = date;
 354      }
 355    } else {
 356      var rootElement = this.$element[0].querySelector('[ng-switch]');
 357
 358      if (rootElement) {
 359        rootElement.focus();
 360      }
 361    }
 362  };
 363
 364  /**
 365   * Normalizes the key event into an action name. The action will be broadcast
 366   * to the child controllers.
 367   * @param {KeyboardEvent} event
 368   * @returns {String} The action that should be taken, or null if the key
 369   * does not match a calendar shortcut.
 370   */
 371  CalendarCtrl.prototype.getActionFromKeyEvent = function(event) {
 372    var keyCode = this.keyCode;
 373
 374    switch (event.which) {
 375      case keyCode.ENTER: return 'select';
 376
 377      case keyCode.RIGHT_ARROW: return 'move-right';
 378      case keyCode.LEFT_ARROW: return 'move-left';
 379
 380      // TODO(crisbeto): Might want to reconsider using metaKey, because it maps
 381      // to the "Windows" key on PC, which opens the start menu or resizes the browser.
 382      case keyCode.DOWN_ARROW: return event.metaKey ? 'move-page-down' : 'move-row-down';
 383      case keyCode.UP_ARROW: return event.metaKey ? 'move-page-up' : 'move-row-up';
 384
 385      case keyCode.PAGE_DOWN: return 'move-page-down';
 386      case keyCode.PAGE_UP: return 'move-page-up';
 387
 388      case keyCode.HOME: return 'start';
 389      case keyCode.END: return 'end';
 390
 391      default: return null;
 392    }
 393  };
 394
 395  /**
 396   * Handles a key event in the calendar with the appropriate action. The action will either
 397   * be to select the focused date or to navigate to focus a new date.
 398   * @param {KeyboardEvent} event
 399   */
 400  CalendarCtrl.prototype.handleKeyEvent = function(event) {
 401    var self = this;
 402
 403    this.$scope.$apply(function() {
 404      // Capture escape and emit back up so that a wrapping component
 405      // (such as a date-picker) can decide to close.
 406      if (event.which == self.keyCode.ESCAPE || event.which == self.keyCode.TAB) {
 407        self.$scope.$emit('md-calendar-close');
 408
 409        if (event.which == self.keyCode.TAB) {
 410          event.preventDefault();
 411        }
 412
 413        return;
 414      }
 415
 416      // Broadcast the action that any child controllers should take.
 417      var action = self.getActionFromKeyEvent(event);
 418      if (action) {
 419        event.preventDefault();
 420        event.stopPropagation();
 421        self.$scope.$broadcast('md-calendar-parent-action', action);
 422      }
 423    });
 424  };
 425
 426  /**
 427   * Hides the vertical scrollbar on the calendar scroller of a child controller by
 428   * setting the width on the calendar scroller and the `overflow: hidden` wrapper
 429   * around the scroller, and then setting a padding-right on the scroller equal
 430   * to the width of the browser's scrollbar.
 431   *
 432   * This will cause a reflow.
 433   *
 434   * @param {object} childCtrl The child controller whose scrollbar should be hidden.
 435   */
 436  CalendarCtrl.prototype.hideVerticalScrollbar = function(childCtrl) {
 437    var self = this;
 438    var element = childCtrl.$element[0];
 439    var scrollMask = element.querySelector('.md-calendar-scroll-mask');
 440
 441    if (self.width > 0) {
 442      setWidth();
 443    } else {
 444      self.$$rAF(function() {
 445        var scroller = childCtrl.calendarScroller;
 446
 447        self.scrollbarWidth = scroller.offsetWidth - scroller.clientWidth;
 448        self.width = element.querySelector('table').offsetWidth;
 449        setWidth();
 450      });
 451    }
 452
 453    function setWidth() {
 454      var width = self.width || FALLBACK_WIDTH;
 455      var scrollbarWidth = self.scrollbarWidth;
 456      var scroller = childCtrl.calendarScroller;
 457
 458      scrollMask.style.width = width + 'px';
 459      scroller.style.width = (width + scrollbarWidth) + 'px';
 460      scroller.style.paddingRight = scrollbarWidth + 'px';
 461    }
 462  };
 463
 464  /**
 465   * Gets an identifier for a date unique to the calendar instance for internal
 466   * purposes. Not to be displayed.
 467   * @param {Date} date The date for which the id is being generated
 468   * @param {string} namespace Namespace for the id. (month, year etc.)
 469   * @returns {string}
 470   */
 471  CalendarCtrl.prototype.getDateId = function(date, namespace) {
 472    if (!namespace) {
 473      throw new Error('A namespace for the date id has to be specified.');
 474    }
 475
 476    return [
 477      'md',
 478      this.id,
 479      namespace,
 480      date.getFullYear(),
 481      date.getMonth(),
 482      date.getDate()
 483    ].join('-');
 484  };
 485
 486  /**
 487   * Util to trigger an extra digest on a parent scope, in order to to ensure that
 488   * any child virtual repeaters have updated. This is necessary, because the virtual
 489   * repeater doesn't update the $index the first time around since the content isn't
 490   * in place yet. The case, in which this is an issue, is when the repeater has less
 491   * than a page of content (e.g. a month or year view has a min or max date).
 492   */
 493  CalendarCtrl.prototype.updateVirtualRepeat = function() {
 494    var scope = this.$scope;
 495    var virtualRepeatResizeListener = scope.$on('$md-resize-enable', function() {
 496      if (!scope.$$phase) {
 497        scope.$apply();
 498      }
 499
 500      virtualRepeatResizeListener();
 501    });
 502  };
 503})();
 504
 505(function() {
 506  'use strict';
 507
 508  CalendarMonthCtrl['$inject'] = ["$element", "$scope", "$animate", "$q", "$$mdDateUtil", "$mdDateLocale"];
 509  angular.module('material.components.datepicker')
 510    .directive('mdCalendarMonth', calendarDirective);
 511
 512  /**
 513   * Height of one calendar month tbody. This must be made known to the virtual-repeat and is
 514   * subsequently used for scrolling to specific months.
 515   */
 516  var TBODY_HEIGHT = 265;
 517
 518  /**
 519   * Height of a calendar month with a single row. This is needed to calculate the offset for
 520   * rendering an extra month in virtual-repeat that only contains one row.
 521   */
 522  var TBODY_SINGLE_ROW_HEIGHT = 45;
 523
 524  /** Private directive that represents a list of months inside the calendar. */
 525  function calendarDirective() {
 526    return {
 527      template:
 528        '<table aria-hidden="true" class="md-calendar-day-header"><thead></thead></table>' +
 529        '<div class="md-calendar-scroll-mask">' +
 530        '<md-virtual-repeat-container class="md-calendar-scroll-container" ' +
 531              'md-offset-size="' + (TBODY_SINGLE_ROW_HEIGHT - TBODY_HEIGHT) + '">' +
 532            '<table role="grid" tabindex="0" class="md-calendar" aria-readonly="true">' +
 533              '<tbody ' +
 534                  'md-calendar-month-body ' +
 535                  'role="rowgroup" ' +
 536                  'md-virtual-repeat="i in monthCtrl.items" ' +
 537                  'md-month-offset="$index" ' +
 538                  'class="md-calendar-month" ' +
 539                  'md-start-index="monthCtrl.getSelectedMonthIndex()" ' +
 540                  'md-item-size="' + TBODY_HEIGHT + '">' +
 541
 542                // The <tr> ensures that the <tbody> will always have the
 543                // proper height, even if it's empty. If it's content is
 544                // compiled, the <tr> will be overwritten.
 545                '<tr aria-hidden="true" style="height:' + TBODY_HEIGHT + 'px;"></tr>' +
 546              '</tbody>' +
 547            '</table>' +
 548          '</md-virtual-repeat-container>' +
 549        '</div>',
 550      require: ['^^mdCalendar', 'mdCalendarMonth'],
 551      controller: CalendarMonthCtrl,
 552      controllerAs: 'monthCtrl',
 553      bindToController: true,
 554      link: function(scope, element, attrs, controllers) {
 555        var calendarCtrl = controllers[0];
 556        var monthCtrl = controllers[1];
 557        monthCtrl.initialize(calendarCtrl);
 558      }
 559    };
 560  }
 561
 562  /**
 563   * Controller for the calendar month component.
 564   * ngInject @constructor
 565   */
 566  function CalendarMonthCtrl($element, $scope, $animate, $q,
 567    $$mdDateUtil, $mdDateLocale) {
 568
 569    /** @final {!angular.JQLite} */
 570    this.$element = $element;
 571
 572    /** @final {!angular.Scope} */
 573    this.$scope = $scope;
 574
 575    /** @final {!angular.$animate} */
 576    this.$animate = $animate;
 577
 578    /** @final {!angular.$q} */
 579    this.$q = $q;
 580
 581    /** @final */
 582    this.dateUtil = $$mdDateUtil;
 583
 584    /** @final */
 585    this.dateLocale = $mdDateLocale;
 586
 587    /** @final {HTMLElement} */
 588    this.calendarScroller = $element[0].querySelector('.md-virtual-repeat-scroller');
 589
 590    /** @type {boolean} */
 591    this.isInitialized = false;
 592
 593    /** @type {boolean} */
 594    this.isMonthTransitionInProgress = false;
 595
 596    var self = this;
 597
 598    /**
 599     * Handles a click event on a date cell.
 600     * Created here so that every cell can use the same function instance.
 601     * @this {HTMLTableCellElement} The cell that was clicked.
 602     */
 603    this.cellClickHandler = function() {
 604      var timestamp = $$mdDateUtil.getTimestampFromNode(this);
 605      self.$scope.$apply(function() {
 606        self.calendarCtrl.setNgModelValue(timestamp);
 607      });
 608    };
 609
 610    /**
 611     * Handles click events on the month headers. Switches
 612     * the calendar to the year view.
 613     * @this {HTMLTableCellElement} The cell that was clicked.
 614     */
 615    this.headerClickHandler = function() {
 616      self.calendarCtrl.setCurrentView('year', $$mdDateUtil.getTimestampFromNode(this));
 617    };
 618  }
 619
 620  /*** Initialization ***/
 621
 622  /**
 623   * Initialize the controller by saving a reference to the calendar and
 624   * setting up the object that will be iterated by the virtual repeater.
 625   */
 626  CalendarMonthCtrl.prototype.initialize = function(calendarCtrl) {
 627    /**
 628     * Dummy array-like object for virtual-repeat to iterate over. The length is the total
 629     * number of months that can be viewed. We add 2 months: one to include the current month
 630     * and one for the last dummy month.
 631     *
 632     * This is shorter than ideal because of a (potential) Firefox bug
 633     * https://bugzilla.mozilla.org/show_bug.cgi?id=1181658.
 634     */
 635
 636    this.items = {
 637      length: this.dateUtil.getMonthDistance(
 638        calendarCtrl.firstRenderableDate,
 639        calendarCtrl.lastRenderableDate
 640      ) + 2
 641    };
 642
 643    this.calendarCtrl = calendarCtrl;
 644    this.attachScopeListeners();
 645    calendarCtrl.updateVirtualRepeat();
 646
 647    // Fire the initial render, since we might have missed it the first time it fired.
 648    calendarCtrl.ngModelCtrl && calendarCtrl.ngModelCtrl.$render();
 649  };
 650
 651  /**
 652   * Gets the "index" of the currently selected date as it would be in the virtual-repeat.
 653   * @returns {number}
 654   */
 655  CalendarMonthCtrl.prototype.getSelectedMonthIndex = function() {
 656    var calendarCtrl = this.calendarCtrl;
 657
 658    return this.dateUtil.getMonthDistance(
 659      calendarCtrl.firstRenderableDate,
 660      calendarCtrl.displayDate || calendarCtrl.selectedDate || calendarCtrl.today
 661    );
 662  };
 663
 664  /**
 665   * Change the selected date in the calendar (ngModel value has already been changed).
 666   * @param {Date} date
 667   */
 668  CalendarMonthCtrl.prototype.changeSelectedDate = function(date) {
 669    var self = this;
 670    var calendarCtrl = self.calendarCtrl;
 671    var previousSelectedDate = calendarCtrl.selectedDate;
 672    calendarCtrl.selectedDate = date;
 673
 674    this.changeDisplayDate(date).then(function() {
 675      var selectedDateClass = calendarCtrl.SELECTED_DATE_CLASS;
 676      var namespace = 'month';
 677
 678      // Remove the selected class from the previously selected date, if any.
 679      if (previousSelectedDate) {
 680        var prevDateCell = document.getElementById(calendarCtrl.getDateId(previousSelectedDate, namespace));
 681        if (prevDateCell) {
 682          prevDateCell.classList.remove(selectedDateClass);
 683          prevDateCell.setAttribute('aria-selected', 'false');
 684        }
 685      }
 686
 687      // Apply the select class to the new selected date if it is set.
 688      if (date) {
 689        var dateCell = document.getElementById(calendarCtrl.getDateId(date, namespace));
 690        if (dateCell) {
 691          dateCell.classList.add(selectedDateClass);
 692          dateCell.setAttribute('aria-selected', 'true');
 693        }
 694      }
 695    });
 696  };
 697
 698  /**
 699   * Change the date that is being shown in the calendar. If the given date is in a different
 700   * month, the displayed month will be transitioned.
 701   * @param {Date} date
 702   */
 703  CalendarMonthCtrl.prototype.changeDisplayDate = function(date) {
 704    // Initialization is deferred until this function is called because we want to reflect
 705    // the starting value of ngModel.
 706    if (!this.isInitialized) {
 707      this.buildWeekHeader();
 708      this.calendarCtrl.hideVerticalScrollbar(this);
 709      this.isInitialized = true;
 710      return this.$q.when();
 711    }
 712
 713    // If trying to show an invalid date or a transition is in progress, do nothing.
 714    if (!this.dateUtil.isValidDate(date) || this.isMonthTransitionInProgress) {
 715      return this.$q.when();
 716    }
 717
 718    this.isMonthTransitionInProgress = true;
 719    var animationPromise = this.animateDateChange(date);
 720
 721    this.calendarCtrl.displayDate = date;
 722
 723    var self = this;
 724    animationPromise.then(function() {
 725      self.isMonthTransitionInProgress = false;
 726    });
 727
 728    return animationPromise;
 729  };
 730
 731  /**
 732   * Animates the transition from the calendar's current month to the given month.
 733   * @param {Date} date
 734   * @returns {angular.$q.Promise} The animation promise.
 735   */
 736  CalendarMonthCtrl.prototype.animateDateChange = function(date) {
 737    if (this.dateUtil.isValidDate(date)) {
 738      var monthDistance = this.dateUtil.getMonthDistance(this.calendarCtrl.firstRenderableDate, date);
 739      this.calendarScroller.scrollTop = monthDistance * TBODY_HEIGHT;
 740    }
 741
 742    return this.$q.when();
 743  };
 744
 745  /**
 746   * Builds and appends a day-of-the-week header to the calendar.
 747   * This should only need to be called once during initialization.
 748   */
 749  CalendarMonthCtrl.prototype.buildWeekHeader = function() {
 750    var firstDayOfWeek = this.dateLocale.firstDayOfWeek;
 751    var shortDays = this.dateLocale.shortDays;
 752
 753    var row = document.createElement('tr');
 754    for (var i = 0; i < 7; i++) {
 755      var th = document.createElement('th');
 756      th.textContent = shortDays[(i + firstDayOfWeek) % 7];
 757      row.appendChild(th);
 758    }
 759
 760    this.$element.find('thead').append(row);
 761  };
 762
 763  /**
 764   * Attaches listeners for the scope events that are broadcast by the calendar.
 765   */
 766  CalendarMonthCtrl.prototype.attachScopeListeners = function() {
 767    var self = this;
 768
 769    self.$scope.$on('md-calendar-parent-changed', function(event, value) {
 770      self.changeSelectedDate(value);
 771    });
 772
 773    self.$scope.$on('md-calendar-parent-action', angular.bind(this, this.handleKeyEvent));
 774  };
 775
 776  /**
 777   * Handles the month-specific keyboard interactions.
 778   * @param {Object} event Scope event object passed by the calendar.
 779   * @param {String} action Action, corresponding to the key that was pressed.
 780   */
 781  CalendarMonthCtrl.prototype.handleKeyEvent = function(event, action) {
 782    var calendarCtrl = this.calendarCtrl;
 783    var displayDate = calendarCtrl.displayDate;
 784
 785    if (action === 'select') {
 786      calendarCtrl.setNgModelValue(displayDate);
 787    } else {
 788      var date = null;
 789      var dateUtil = this.dateUtil;
 790
 791      switch (action) {
 792        case 'move-right': date = dateUtil.incrementDays(displayDate, 1); break;
 793        case 'move-left': date = dateUtil.incrementDays(displayDate, -1); break;
 794
 795        case 'move-page-down': date = dateUtil.incrementMonths(displayDate, 1); break;
 796        case 'move-page-up': date = dateUtil.incrementMonths(displayDate, -1); break;
 797
 798        case 'move-row-down': date = dateUtil.incrementDays(displayDate, 7); break;
 799        case 'move-row-up': date = dateUtil.incrementDays(displayDate, -7); break;
 800
 801        case 'start': date = dateUtil.getFirstDateOfMonth(displayDate); break;
 802        case 'end': date = dateUtil.getLastDateOfMonth(displayDate); break;
 803      }
 804
 805      if (date) {
 806        date = this.dateUtil.clampDate(date, calendarCtrl.minDate, calendarCtrl.maxDate);
 807
 808        this.changeDisplayDate(date).then(function() {
 809          calendarCtrl.focus(date);
 810        });
 811      }
 812    }
 813  };
 814})();
 815
 816(function() {
 817  'use strict';
 818
 819  mdCalendarMonthBodyDirective['$inject'] = ["$compile", "$$mdSvgRegistry"];
 820  CalendarMonthBodyCtrl['$inject'] = ["$element", "$$mdDateUtil", "$mdDateLocale"];
 821  angular.module('material.components.datepicker')
 822      .directive('mdCalendarMonthBody', mdCalendarMonthBodyDirective);
 823
 824  /**
 825   * Private directive consumed by md-calendar-month. Having this directive lets the calender use
 826   * md-virtual-repeat and also cleanly separates the month DOM construction functions from
 827   * the rest of the calendar controller logic.
 828   * ngInject
 829   */
 830  function mdCalendarMonthBodyDirective($compile, $$mdSvgRegistry) {
 831    var ARROW_ICON = $compile('<md-icon md-svg-src="' +
 832      $$mdSvgRegistry.mdTabsArrow + '"></md-icon>')({})[0];
 833
 834    return {
 835      require: ['^^mdCalendar', '^^mdCalendarMonth', 'mdCalendarMonthBody'],
 836      scope: { offset: '=mdMonthOffset' },
 837      controller: CalendarMonthBodyCtrl,
 838      controllerAs: 'mdMonthBodyCtrl',
 839      bindToController: true,
 840      link: function(scope, element, attrs, controllers) {
 841        var calendarCtrl = controllers[0];
 842        var monthCtrl = controllers[1];
 843        var monthBodyCtrl = controllers[2];
 844
 845        monthBodyCtrl.calendarCtrl = calendarCtrl;
 846        monthBodyCtrl.monthCtrl = monthCtrl;
 847        monthBodyCtrl.arrowIcon = ARROW_ICON.cloneNode(true);
 848
 849        // The virtual-repeat re-uses the same DOM elements, so there are only a limited number
 850        // of repeated items that are linked, and then those elements have their bindings updated.
 851        // Since the months are not generated by bindings, we simply regenerate the entire thing
 852        // when the binding (offset) changes.
 853        scope.$watch(function() { return monthBodyCtrl.offset; }, function(offset) {
 854          if (angular.isNumber(offset)) {
 855            monthBodyCtrl.generateContent();
 856          }
 857        });
 858      }
 859    };
 860  }
 861
 862  /**
 863   * Controller for a single calendar month.
 864   * ngInject @constructor
 865   */
 866  function CalendarMonthBodyCtrl($element, $$mdDateUtil, $mdDateLocale) {
 867    /** @final {!angular.JQLite} */
 868    this.$element = $element;
 869
 870    /** @final */
 871    this.dateUtil = $$mdDateUtil;
 872
 873    /** @final */
 874    this.dateLocale = $mdDateLocale;
 875
 876    /** @type {Object} Reference to the month view. */
 877    this.monthCtrl = null;
 878
 879    /** @type {Object} Reference to the calendar. */
 880    this.calendarCtrl = null;
 881
 882    /**
 883     * Number of months from the start of the month "items" that the currently rendered month
 884     * occurs. Set via angular data binding.
 885     * @type {number}
 886     */
 887    this.offset = null;
 888
 889    /**
 890     * Date cell to focus after appending the month to the document.
 891     * @type {HTMLElement}
 892     */
 893    this.focusAfterAppend = null;
 894  }
 895
 896  /** Generate and append the content for this month to the directive element. */
 897  CalendarMonthBodyCtrl.prototype.generateContent = function() {
 898    var date = this.dateUtil.incrementMonths(this.calendarCtrl.firstRenderableDate, this.offset);
 899
 900    this.$element
 901      .empty()
 902      .append(this.buildCalendarForMonth(date));
 903
 904    if (this.focusAfterAppend) {
 905      this.focusAfterAppend.classList.add(this.calendarCtrl.FOCUSED_DATE_CLASS);
 906      this.focusAfterAppend.focus();
 907      this.focusAfterAppend = null;
 908    }
 909  };
 910
 911  /**
 912   * Creates a single cell to contain a date in the calendar with all appropriate
 913   * attributes and classes added. If a date is given, the cell content will be set
 914   * based on the date.
 915   * @param {Date=} opt_date
 916   * @returns {HTMLElement}
 917   */
 918  CalendarMonthBodyCtrl.prototype.buildDateCell = function(opt_date) {
 919    var monthCtrl = this.monthCtrl;
 920    var calendarCtrl = this.calendarCtrl;
 921
 922    // TODO(jelbourn): cloneNode is likely a faster way of doing this.
 923    var cell = document.createElement('td');
 924    cell.tabIndex = -1;
 925    cell.classList.add('md-calendar-date');
 926    cell.setAttribute('role', 'gridcell');
 927
 928    if (opt_date) {
 929      cell.setAttribute('tabindex', '-1');
 930      cell.setAttribute('aria-label', this.dateLocale.longDateFormatter(opt_date));
 931      cell.id = calendarCtrl.getDateId(opt_date, 'month');
 932
 933      // Use `data-timestamp` attribute because IE10 does not support the `dataset` property.
 934      cell.setAttribute('data-timestamp', opt_date.getTime());
 935
 936      // TODO(jelourn): Doing these comparisons for class addition during generation might be slow.
 937      // It may be better to finish the construction and then query the node and add the class.
 938      if (this.dateUtil.isSameDay(opt_date, calendarCtrl.today)) {
 939        cell.classList.add(calendarCtrl.TODAY_CLASS);
 940      }
 941
 942      if (this.dateUtil.isValidDate(calendarCtrl.selectedDate) &&
 943          this.dateUtil.isSameDay(opt_date, calendarCtrl.selectedDate)) {
 944        cell.classList.add(calendarCtrl.SELECTED_DATE_CLASS);
 945        cell.setAttribute('aria-selected', 'true');
 946      }
 947
 948      var cellText = this.dateLocale.dates[opt_date.getDate()];
 949
 950      if (this.isDateEnabled(opt_date)) {
 951        // Add a indicator for select, hover, and focus states.
 952        var selectionIndicator = document.createElement('span');
 953        selectionIndicator.classList.add('md-calendar-date-selection-indicator');
 954        selectionIndicator.textContent = cellText;
 955        cell.appendChild(selectionIndicator);
 956        cell.addEventListener('click', monthCtrl.cellClickHandler);
 957
 958        if (calendarCtrl.displayDate && this.dateUtil.isSameDay(opt_date, calendarCtrl.displayDate)) {
 959          this.focusAfterAppend = cell;
 960        }
 961      } else {
 962        cell.classList.add('md-calendar-date-disabled');
 963        cell.textContent = cellText;
 964      }
 965    }
 966
 967    return cell;
 968  };
 969
 970  /**
 971   * Check whether date is in range and enabled
 972   * @param {Date=} opt_date
 973   * @return {boolean} Whether the date is enabled.
 974   */
 975  CalendarMonthBodyCtrl.prototype.isDateEnabled = function(opt_date) {
 976    return this.dateUtil.isDateWithinRange(opt_date,
 977          this.calendarCtrl.minDate, this.calendarCtrl.maxDate) &&
 978          (!angular.isFunction(this.calendarCtrl.dateFilter)
 979           || this.calendarCtrl.dateFilter(opt_date));
 980  };
 981
 982  /**
 983   * Builds a `tr` element for the calendar grid.
 984   * @param rowNumber The week number within the month.
 985   * @returns {HTMLElement}
 986   */
 987  CalendarMonthBodyCtrl.prototype.buildDateRow = function(rowNumber) {
 988    var row = document.createElement('tr');
 989    row.setAttribute('role', 'row');
 990
 991    // Because of an NVDA bug (with Firefox), the row needs an aria-label in order
 992    // to prevent the entire row being read aloud when the user moves between rows.
 993    // See http://community.nvda-project.org/ticket/4643.
 994    row.setAttribute('aria-label', this.dateLocale.weekNumberFormatter(rowNumber));
 995
 996    return row;
 997  };
 998
 999  /**
1000   * Builds the <tbody> content for the given date's month.
1001   * @param {Date=} opt_dateInMonth
1002   * @returns {DocumentFragment} A document fragment containing the <tr> elements.
1003   */
1004  CalendarMonthBodyCtrl.prototype.buildCalendarForMonth = function(opt_dateInMonth) {
1005    var date = this.dateUtil.isValidDate(opt_dateInMonth) ? opt_dateInMonth : new Date();
1006
1007    var firstDayOfMonth = this.dateUtil.getFirstDateOfMonth(date);
1008    var firstDayOfTheWeek = this.getLocaleDay_(firstDayOfMonth);
1009    var numberOfDaysInMonth = this.dateUtil.getNumberOfDaysInMonth(date);
1010
1011    // Store rows for the month in a document fragment so that we can append them all at once.
1012    var monthBody = document.createDocumentFragment();
1013
1014    var rowNumber = 1;
1015    var row = this.buildDateRow(rowNumber);
1016    monthBody.appendChild(row);
1017
1018    // If this is the final month in the list of items, only the first week should render,
1019    // so we should return immediately after the first row is complete and has been
1020    // attached to the body.
1021    var isFinalMonth = this.offset === this.monthCtrl.items.length - 1;
1022
1023    // Add a label for the month. If the month starts on a Sun/Mon/Tues, the month label
1024    // goes on a row above the first of the month. Otherwise, the month label takes up the first
1025    // two cells of the first row.
1026    var blankCellOffset = 0;
1027    var monthLabelCell = document.createElement('td');
1028    var monthLabelCellContent = document.createElement('span');
1029
1030    monthLabelCellContent.textContent = this.dateLocale.monthHeaderFormatter(date);
1031    monthLabelCell.appendChild(monthLabelCellContent);
1032    monthLabelCell.classList.add('md-calendar-month-label');
1033    // If the entire month is after the max date, render the label as a disabled state.
1034    if (this.calendarCtrl.maxDate && firstDayOfMonth > this.calendarCtrl.maxDate) {
1035      monthLabelCell.classList.add('md-calendar-month-label-disabled');
1036    } else {
1037      monthLabelCell.addEventListener('click', this.monthCtrl.headerClickHandler);
1038      monthLabelCell.setAttribute('data-timestamp', firstDayOfMonth.getTime());
1039      monthLabelCell.setAttribute('aria-label', this.dateLocale.monthFormatter(date));
1040      monthLabelCell.appendChild(this.arrowIcon.cloneNode(true));
1041    }
1042
1043    if (firstDayOfTheWeek <= 2) {
1044      monthLabelCell.setAttribute('colspan', '7');
1045
1046      var monthLabelRow = this.buildDateRow();
1047      monthLabelRow.appendChild(monthLabelCell);
1048      monthBody.insertBefore(monthLabelRow, row);
1049
1050      if (isFinalMonth) {
1051        return monthBody;
1052      }
1053    } else {
1054      blankCellOffset = 3;
1055      monthLabelCell.setAttribute('colspan', '3');
1056      row.appendChild(monthLabelCell);
1057    }
1058
1059    // Add a blank cell for each day of the week that occurs before the first of the month.
1060    // For example, if the first day of the month is a Tuesday, add blank cells for Sun and Mon.
1061    // The blankCellOffset is needed in cases where the first N cells are used by the month label.
1062    for (var i = blankCellOffset; i < firstDayOfTheWeek; i++) {
1063      row.appendChild(this.buildDateCell());
1064    }
1065
1066    // Add a cell for each day of the month, keeping track of the day of the week so that
1067    // we know when to start a new row.
1068    var dayOfWeek = firstDayOfTheWeek;
1069    var iterationDate = firstDayOfMonth;
1070    for (var d = 1; d <= numberOfDaysInMonth; d++) {
1071      // If we've reached the end of the week, start a new row.
1072      if (dayOfWeek === 7) {
1073        // We've finished the first row, so we're done if this is the final month.
1074        if (isFinalMonth) {
1075          return monthBody;
1076        }
1077        dayOfWeek = 0;
1078        rowNumber++;
1079        row = this.buildDateRow(rowNumber);
1080        monthBody.appendChild(row);
1081      }
1082
1083      iterationDate.setDate(d);
1084      var cell = this.buildDateCell(iterationDate);
1085      row.appendChild(cell);
1086
1087      dayOfWeek++;
1088    }
1089
1090    // Ensure that the last row of the month has 7 cells.
1091    while (row.childNodes.length < 7) {
1092      row.appendChild(this.buildDateCell());
1093    }
1094
1095    // Ensure that all months have 6 rows. This is necessary for now because the virtual-repeat
1096    // requires that all items have exactly the same height.
1097    while (monthBody.childNodes.length < 6) {
1098      var whitespaceRow = this.buildDateRow();
1099      for (var j = 0; j < 7; j++) {
1100        whitespaceRow.appendChild(this.buildDateCell());
1101      }
1102      monthBody.appendChild(whitespaceRow);
1103    }
1104
1105    return monthBody;
1106  };
1107
1108  /**
1109   * Gets the day-of-the-week index for a date for the current locale.
1110   * @private
1111   * @param {Date} date
1112   * @returns {number} The column index of the date in the calendar.
1113   */
1114  CalendarMonthBodyCtrl.prototype.getLocaleDay_ = function(date) {
1115    return (date.getDay() + (7 - this.dateLocale.firstDayOfWeek)) % 7;
1116  };
1117})();
1118
1119(function() {
1120  'use strict';
1121
1122  CalendarYearCtrl['$inject'] = ["$element", "$scope", "$animate", "$q", "$$mdDateUtil"];
1123  angular.module('material.components.datepicker')
1124    .directive('mdCalendarYear', calendarDirective);
1125
1126  /**
1127   * Height of one calendar year tbody. This must be made known to the virtual-repeat and is
1128   * subsequently used for scrolling to specific years.
1129   */
1130  var TBODY_HEIGHT = 88;
1131
1132  /** Private component, representing a list of years in the calendar. */
1133  function calendarDirective() {
1134    return {
1135      template:
1136        '<div class="md-calendar-scroll-mask">' +
1137          '<md-virtual-repeat-container class="md-calendar-scroll-container">' +
1138            '<table role="grid" tabindex="0" class="md-calendar" aria-readonly="true">' +
1139              '<tbody ' +
1140                  'md-calendar-year-body ' +
1141                  'role="rowgroup" ' +
1142                  'md-virtual-repeat="i in yearCtrl.items" ' +
1143                  'md-year-offset="$index" class="md-calendar-year" ' +
1144                  'md-start-index="yearCtrl.getFocusedYearIndex()" ' +
1145                  'md-item-size="' + TBODY_HEIGHT + '">' +
1146                // The <tr> ensures that the <tbody> will have the proper
1147                // height, even though it may be empty.
1148                '<tr aria-hidden="true" style="height:' + TBODY_HEIGHT + 'px;"></tr>' +
1149              '</tbody>' +
1150            '</table>' +
1151          '</md-virtual-repeat-container>' +
1152        '</div>',
1153      require: ['^^mdCalendar', 'mdCalendarYear'],
1154      controller: CalendarYearCtrl,
1155      controllerAs: 'yearCtrl',
1156      bindToController: true,
1157      link: function(scope, element, attrs, controllers) {
1158        var calendarCtrl = controllers[0];
1159        var yearCtrl = controllers[1];
1160        yearCtrl.initialize(calendarCtrl);
1161      }
1162    };
1163  }
1164
1165  /**
1166   * Controller for the mdCalendar component.
1167   * ngInject @constructor
1168   */
1169  function CalendarYearCtrl($element, $scope, $animate, $q, $$mdDateUtil) {
1170
1171    /** @final {!angular.JQLite} */
1172    this.$element = $element;
1173
1174    /** @final {!angular.Scope} */
1175    this.$scope = $scope;
1176
1177    /** @final {!angular.$animate} */
1178    this.$animate = $animate;
1179
1180    /** @final {!angular.$q} */
1181    this.$q = $q;
1182
1183    /** @final */
1184    this.dateUtil = $$mdDateUtil;
1185
1186    /** @final {HTMLElement} */
1187    this.calendarScroller = $element[0].querySelector('.md-virtual-repeat-scroller');
1188
1189    /** @type {boolean} */
1190    this.isInitialized = false;
1191
1192    /** @type {boolean} */
1193    this.isMonthTransitionInProgress = false;
1194
1195    var self = this;
1196
1197    /**
1198     * Handles a click event on a date cell.
1199     * Created here so that every cell can use the same function instance.
1200     * @this {HTMLTableCellElement} The cell that was clicked.
1201     */
1202    this.cellClickHandler = function() {
1203      self.calendarCtrl.setCurrentView('month', $$mdDateUtil.getTimestampFromNode(this));
1204    };
1205  }
1206
1207  /**
1208   * Initialize the controller by saving a reference to the calendar and
1209   * setting up the object that will be iterated by the virtual repeater.
1210   */
1211  CalendarYearCtrl.prototype.initialize = function(calendarCtrl) {
1212    /**
1213     * Dummy array-like object for virtual-repeat to iterate over. The length is the total
1214     * number of years that can be viewed. We add 1 extra in order to include the current year.
1215     */
1216    this.items = {
1217      length: this.dateUtil.getYearDistance(
1218        calendarCtrl.firstRenderableDate,
1219        calendarCtrl.lastRenderableDate
1220      ) + 1
1221    };
1222
1223    this.calendarCtrl = calendarCtrl;
1224    this.attachScopeListeners();
1225    calendarCtrl.updateVirtualRepeat();
1226
1227    // Fire the initial render, since we might have missed it the first time it fired.
1228    calendarCtrl.ngModelCtrl && calendarCtrl.ngModelCtrl.$render();
1229  };
1230
1231  /**
1232   * Gets the "index" of the currently selected date as it would be in the virtual-repeat.
1233   * @returns {number}
1234   */
1235  CalendarYearCtrl.prototype.getFocusedYearIndex = function() {
1236    var calendarCtrl = this.calendarCtrl;
1237
1238    return this.dateUtil.getYearDistance(
1239      calendarCtrl.firstRenderableDate,
1240      calendarCtrl.displayDate || calendarCtrl.selectedDate || calendarCtrl.today
1241    );
1242  };
1243
1244  /**
1245   * Change the date that is highlighted in the calendar.
1246   * @param {Date} date
1247   */
1248  CalendarYearCtrl.prototype.changeDate = function(date) {
1249    // Initialization is deferred until this function is called because we want to reflect
1250    // the starting value of ngModel.
1251    if (!this.isInitialized) {
1252      this.calendarCtrl.hideVerticalScrollbar(this);
1253      this.isInitialized = true;
1254      return this.$q.when();
1255    } else if (this.dateUtil.isValidDate(date) && !this.isMonthTransitionInProgress) {
1256      var self = this;
1257      var animationPromise = this.animateDateChange(date);
1258
1259      self.isMonthTransitionInProgress = true;
1260      self.calendarCtrl.displayDate = date;
1261
1262      return animationPromise.then(function() {
1263        self.isMonthTransitionInProgress = false;
1264      });
1265    }
1266  };
1267
1268  /**
1269   * Animates the transition from the calendar's current month to the given month.
1270   * @param {Date} date
1271   * @returns {angular.$q.Promise} The animation promise.
1272   */
1273  CalendarYearCtrl.prototype.animateDateChange = function(date) {
1274    if (this.dateUtil.isValidDate(date)) {
1275      var monthDistance = this.dateUtil.getYearDistance(this.calendarCtrl.firstRenderableDate, date);
1276      this.calendarScroller.scrollTop = monthDistance * TBODY_HEIGHT;
1277    }
1278
1279    return this.$q.when();
1280  };
1281
1282  /**
1283   * Handles the year-view-specific keyboard interactions.
1284   * @param {Object} event Scope event object passed by the calendar.
1285   * @param {String} action Action, corresponding to the key that was pressed.
1286   */
1287  CalendarYearCtrl.prototype.handleKeyEvent = function(event, action) {
1288    var calendarCtrl = this.calendarCtrl;
1289    var displayDate = calendarCtrl.displayDate;
1290
1291    if (action === 'select') {
1292      this.changeDate(displayDate).then(function() {
1293        calendarCtrl.setCurrentView('month', displayDate);
1294        calendarCtrl.focus(displayDate);
1295      });
1296    } else {
1297      var date = null;
1298      var dateUtil = this.dateUtil;
1299
1300      switch (action) {
1301        case 'move-right': date = dateUtil.incrementMonths(displayDate, 1); break;
1302        case 'move-left': date = dateUtil.incrementMonths(displayDate, -1); break;
1303
1304        case 'move-row-down': date = dateUtil.incrementMonths(displayDate, 6); break;
1305        case 'move-row-up': date = dateUtil.incrementMonths(displayDate, -6); break;
1306      }
1307
1308      if (date) {
1309        var min = calendarCtrl.minDate ? dateUtil.getFirstDateOfMonth(calendarCtrl.minDate) : null;
1310        var max = calendarCtrl.maxDate ? dateUtil.getFirstDateOfMonth(calendarCtrl.maxDate) : null;
1311        date = dateUtil.getFirstDateOfMonth(this.dateUtil.clampDate(date, min, max));
1312
1313        this.changeDate(date).then(function() {
1314          calendarCtrl.focus(date);
1315        });
1316      }
1317    }
1318  };
1319
1320  /**
1321   * Attaches listeners for the scope events that are broadcast by the calendar.
1322   */
1323  CalendarYearCtrl.prototype.attachScopeListeners = function() {
1324    var self = this;
1325
1326    self.$scope.$on('md-calendar-parent-changed', function(event, value) {
1327      self.changeDate(value);
1328    });
1329
1330    self.$scope.$on('md-calendar-parent-action', angular.bind(self, self.handleKeyEvent));
1331  };
1332})();
1333
1334(function() {
1335  'use strict';
1336
1337  CalendarYearBodyCtrl['$inject'] = ["$element", "$$mdDateUtil", "$mdDateLocale"];
1338  angular.module('material.components.datepicker')
1339      .directive('mdCalendarYearBody', mdCalendarYearDirective);
1340
1341  /**
1342   * Private component, consumed by the md-calendar-year, which separates the DOM construction logic
1343   * and allows for the year view to use md-virtual-repeat.
1344   */
1345  function mdCalendarYearDirective() {
1346    return {
1347      require: ['^^mdCalendar', '^^mdCalendarYear', 'mdCalendarYearBody'],
1348      scope: { offset: '=mdYearOffset' },
1349      controller: CalendarYearBodyCtrl,
1350      controllerAs: 'mdYearBodyCtrl',
1351      bindToController: true,
1352      link: function(scope, element, attrs, controllers) {
1353        var calendarCtrl = controllers[0];
1354        var yearCtrl = controllers[1];
1355        var yearBodyCtrl = controllers[2];
1356
1357        yearBodyCtrl.calendarCtrl = calendarCtrl;
1358        yearBodyCtrl.yearCtrl = yearCtrl;
1359
1360        scope.$watch(function() { return yearBodyCtrl.offset; }, function(offset) {
1361          if (angular.isNumber(offset)) {
1362            yearBodyCtrl.generateContent();
1363          }
1364        });
1365      }
1366    };
1367  }
1368
1369  /**
1370   * Controller for a single year.
1371   * ngInject @constructor
1372   */
1373  function CalendarYearBodyCtrl($element, $$mdDateUtil, $mdDateLocale) {
1374    /** @final {!angular.JQLite} */
1375    this.$element = $element;
1376
1377    /** @final */
1378    this.dateUtil = $$mdDateUtil;
1379
1380    /** @final */
1381    this.dateLocale = $mdDateLocale;
1382
1383    /** @type {Object} Reference to the calendar. */
1384    this.calendarCtrl = null;
1385
1386    /** @type {Object} Reference to the year view. */
1387    this.yearCtrl = null;
1388
1389    /**
1390     * Number of months from the start of the month "items" that the currently rendered month
1391     * occurs. Set via angular data binding.
1392     * @type {number}
1393     */
1394    this.offset = null;
1395
1396    /**
1397     * Date cell to focus after appending the month to the document.
1398     * @type {HTMLElement}
1399     */
1400    this.focusAfterAppend = null;
1401  }
1402
1403  /** Generate and append the content for this year to the directive element. */
1404  CalendarYearBodyCtrl.prototype.generateContent = function() {
1405    var date = this.dateUtil.incrementYears(this.calendarCtrl.firstRenderableDate, this.offset);
1406
1407    this.$element
1408      .empty()
1409      .append(this.buildCalendarForYear(date));
1410
1411    if (this.focusAfterAppend) {
1412      this.focusAfterAppend.classList.add(this.calendarCtrl.FOCUSED_DATE_CLASS);
1413      this.focusAfterAppend.focus();
1414      this.focusAfterAppend = null;
1415    }
1416  };
1417
1418  /**
1419   * Creates a single cell to contain a year in the calendar.
1420   * @param {number} opt_year Four-digit year.
1421   * @param {number} opt_month Zero-indexed month.
1422   * @returns {HTMLElement}
1423   */
1424  CalendarYearBodyCtrl.prototype.buildMonthCell = function(year, month) {
1425    var calendarCtrl = this.calendarCtrl;
1426    var yearCtrl = this.yearCtrl;
1427    var cell = this.buildBlankCell();
1428
1429    // Represent this month/year as a date.
1430    var firstOfMonth = new Date(year, month, 1);
1431    cell.setAttribute('aria-label', this.dateLocale.monthFormatter(firstOfMonth));
1432    cell.id = calendarCtrl.getDateId(firstOfMonth, 'year');
1433
1434    // Use `data-timestamp` attribute because IE10 does not support the `dataset` property.
1435    cell.setAttribute('data-timestamp', firstOfMonth.getTime());
1436
1437    if (this.dateUtil.isSameMonthAndYear(firstOfMonth, calendarCtrl.today)) {
1438      cell.classList.add(calendarCtrl.TODAY_CLASS);
1439    }
1440
1441    if (this.dateUtil.isValidDate(calendarCtrl.selectedDate) &&
1442        this.dateUtil.isSameMonthAndYear(firstOfMonth, calendarCtrl.selectedDate)) {
1443      cell.classList.add(calendarCtrl.SELECTED_DATE_CLASS);
1444      cell.setAttribute('aria-selected', 'true');
1445    }
1446
1447    var cellText = this.dateLocale.shortMonths[month];
1448
1449    if (this.dateUtil.isMonthWithinRange(firstOfMonth,
1450        calendarCtrl.minDate, calendarCtrl.maxDate)) {
1451      var selectionIndicator = document.createElement('span');
1452      selectionIndicator.classList.add('md-calendar-date-selection-indicator');
1453      selectionIndicator.textContent = cellText;
1454      cell.appendChild(selectionIndicator);
1455      cell.addEventListener('click', yearCtrl.cellClickHandler);
1456
1457      if (calendarCtrl.displayDate && this.dateUtil.isSameMonthAndYear(firstOfMonth, calendarCtrl.displayDate)) {
1458        this.focusAfterAppend = cell;
1459      }
1460    } else {
1461      cell.classList.add('md-calendar-date-disabled');
1462      cell.textContent = cellText;
1463    }
1464
1465    return cell;
1466  };
1467
1468  /**
1469   * Builds a blank cell.
1470   * @return {HTMLTableCellElement}
1471   */
1472  CalendarYearBodyCtrl.prototype.buildBlankCell = function() {
1473    var cell = document.createElement('td');
1474    cell.tabIndex = -1;
1475    cell.classList.add('md-calendar-date');
1476    cell.setAttribute('role', 'gridcell');
1477
1478    cell.setAttribute('tabindex', '-1');
1479    return cell;
1480  };
1481
1482  /**
1483   * Builds the <tbody> content for the given year.
1484   * @param {Date} date Date for which the content should be built.
1485   * @returns {DocumentFragment} A document fragment containing the months within the year.
1486   */
1487  CalendarYearBodyCtrl.prototype.buildCalendarForYear = function(date) {
1488    // Store rows for the month in a document fragment so that we can append them all at once.
1489    var year = date.getFullYear();
1490    var yearBody = document.createDocumentFragment();
1491
1492    var monthCell, i;
1493    // First row contains label and Jan-Jun.
1494    var firstRow = document.createElement('tr');
1495    var labelCell = document.createElement('td');
1496    labelCell.className = 'md-calendar-month-label';
1497    labelCell.textContent = year;
1498    firstRow.appendChild(labelCell);
1499
1500    for (i = 0; i < 6; i++) {
1501      firstRow.appendChild(this.buildMonthCell(year, i));
1502    }
1503    yearBody.appendChild(firstRow);
1504
1505    // Second row contains a blank cell and Jul-Dec.
1506    var secondRow = document.createElement('tr');
1507    secondRow.appendChild(this.buildBlankCell());
1508    for (i = 6; i < 12; i++) {
1509      secondRow.appendChild(this.buildMonthCell(year, i));
1510    }
1511    yearBody.appendChild(secondRow);
1512
1513    return yearBody;
1514  };
1515})();
1516
1517(function() {
1518  'use strict';
1519
1520  /**
1521   * @ngdoc service
1522   * @name $mdDateLocaleProvider
1523   * @module material.components.datepicker
1524   *
1525   * @description
1526   * The `$mdDateLocaleProvider` is the provider that creates the `$mdDateLocale` service.
1527   * This provider that allows the user to specify messages, formatters, and parsers for date
1528   * internationalization. The `$mdDateLocale` service itself is consumed by Angular Material
1529   * components that deal with dates.
1530   *
1531   * @property {(Array<string>)=} months Array of month names (in order).
1532   * @property {(Array<string>)=} shortMonths Array of abbreviated month names.
1533   * @property {(Array<string>)=} days Array of the days of the week (in order).
1534   * @property {(Array<string>)=} shortDays Array of abbreviated dayes of the week.
1535   * @property {(Array<string>)=} dates Array of dates of the month. Only necessary for locales
1536   *     using a numeral system other than [1, 2, 3...].
1537   * @property {(Array<string>)=} firstDayOfWeek The first day of the week. Sunday = 0, Monday = 1,
1538   *    etc.
1539   * @property {(function(string): Date)=} parseDate Function to parse a date object from a string.
1540   * @property {(function(Date, string): string)=} formatDate Function to format a date object to a
1541   *     string. The datepicker directive also provides the time zone, if it was specified.
1542   * @property {(function(Date): string)=} monthHeaderFormatter Function that returns the label for
1543   *     a month given a date.
1544   * @property {(function(Date): string)=} monthFormatter Function that returns the full name of a month
1545   *     for a giben date.
1546   * @property {(function(number): string)=} weekNumberFormatter Function that returns a label for
1547   *     a week given the week number.
1548   * @property {(string)=} msgCalendar Translation of the label "Calendar" for the current locale.
1549   * @property {(string)=} msgOpenCalendar Translation of the button label "Open calendar" for the
1550   *     current locale.
1551   * @property {Date=} firstRenderableDate The date from which the datepicker calendar will begin
1552   * rendering. Note that this will be ignored if a minimum date is set. Defaults to January 1st 1880.
1553   * @property {Date=} lastRenderableDate The last date that will be rendered by the datepicker
1554   * calendar. Note that this will be ignored if a maximum date is set. Defaults to January 1st 2130.
1555   *
1556   * @usage
1557   * <hljs lang="js">
1558   * myAppModule.config(function($mdDateLocaleProvider) {
1559   *
1560   *     // Example of a French localization.
1561   *     $mdDateLocaleProvider.months = ['janvier', 'février', 'mars', ...];
1562   *     $mdDateLocaleProvider.shortMonths = ['janv', 'févr', 'mars', ...];
1563   *     $mdDateLocaleProvider.days = ['dimanche', 'lundi', 'mardi', ...];
1564   *     $mdDateLocaleProvider.shortDays = ['Di', 'Lu', 'Ma', ...];
1565   *
1566   *     // Can change week display to start on Monday.
1567   *     $mdDateLocaleProvider.firstDayOfWeek = 1;
1568   *
1569   *     // Optional.
1570   *     $mdDateLocaleProvider.dates = [1, 2, 3, 4, 5, 6, ...];
1571   *
1572   *     // Example uses moment.js to parse and format dates.
1573   *     $mdDateLocaleProvider.parseDate = function(dateString) {
1574   *       var m = moment(dateString, 'L', true);
1575   *       return m.isValid() ? m.toDate() : new Date(NaN);
1576   *     };
1577   *
1578   *     $mdDateLocaleProvider.formatDate = function(date) {
1579   *       var m = moment(date);
1580   *       return m.isValid() ? m.format('L') : '';
1581   *     };
1582   *
1583   *     $mdDateLocaleProvider.monthHeaderFormatter = function(date) {
1584   *       return myShortMonths[date.getMonth()] + ' ' + date.getFullYear();
1585   *     };
1586   *
1587   *     // In addition to date display, date components also need localized messages
1588   *     // for aria-labels for screen-reader users.
1589   *
1590   *     $mdDateLocaleProvider.weekNumberFormatter = function(weekNumber) {
1591   *       return 'Semaine ' + weekNumber;
1592   *     };
1593   *
1594   *     $mdDateLocaleProvider.msgCalendar = 'Calendrier';
1595   *     $mdDateLocaleProvider.msgOpenCalendar = 'Ouvrir le calendrier';
1596   *
1597   *     // You can also set when your calendar begins and ends.
1598   *     $mdDateLocaleProvider.firstRenderableDate = new Date(1776, 6, 4);
1599   *     $mdDateLocaleProvider.lastRenderableDate = new Date(2012, 11, 21);
1600   * });
1601   * </hljs>
1602   *
1603   */
1604  angular.module('material.components.datepicker').config(["$provide", function($provide) {
1605    // TODO(jelbourn): Assert provided values are correctly formatted. Need assertions.
1606
1607    /** @constructor */
1608    function DateLocaleProvider() {
1609      /** Array of full month names. E.g., ['January', 'Febuary', ...] */
1610      this.months = null;
1611
1612      /** Array of abbreviated month names. E.g., ['Jan', 'Feb', ...] */
1613      this.shortMonths = null;
1614
1615      /** Array of full day of the week names. E.g., ['Monday', 'Tuesday', ...] */
1616      this.days = null;
1617
1618      /** Array of abbreviated dat of the week names. E.g., ['M', 'T', ...] */
1619      this.shortDays = null;
1620
1621      /** Array of dates of a month (1 - 31). Characters might be different in some locales. */
1622      this.dates = null;
1623
1624      /** Index of the first day of the week. 0 = Sunday, 1 = Monday, etc. */
1625      this.firstDayOfWeek = 0;
1626
1627      /**
1628       * Function that converts the date portion of a Date to a string.
1629       * @type {(function(Date): string)}
1630       */
1631      this.formatDate = null;
1632
1633      /**
1634       * Function that converts a date string to a Date object (the date portion)
1635       * @type {function(string): Date}
1636       */
1637      this.parseDate = null;
1638
1639      /**
1640       * Function that formats a Date into a month header string.
1641       * @type {function(Date): string}
1642       */
1643      this.monthHeaderFormatter = null;
1644
1645      /**
1646       * Function that formats a week number into a label for the week.
1647       * @type {function(number): string}
1648       */
1649      this.weekNumberFormatter = null;
1650
1651      /**
1652       * Function that formats a date into a long aria-label that is read
1653       * when the focused date changes.
1654       * @type {function(Date): string}
1655       */
1656      this.longDateFormatter = null;
1657
1658      /**
1659       * ARIA label for the calendar "dialog" used in the datepicker.
1660       * @type {string}
1661       */
1662      this.msgCalendar = '';
1663
1664      /**
1665       * ARIA label for the datepicker's "Open calendar" buttons.
1666       * @type {string}
1667       */
1668      this.msgOpenCalendar = '';
1669    }
1670
1671    /**
1672     * Factory function that returns an instance of the dateLocale service.
1673     * ngInject
1674     * @param $locale
1675     * @returns {DateLocale}
1676     */
1677    DateLocaleProvider.prototype.$get = function($locale, $filter) {
1678      /**
1679       * Default date-to-string formatting function.
1680       * @param {!Date} date
1681       * @param {string=} timezone
1682       * @returns {string}
1683       */
1684      function defaultFormatDate(date, timezone) {
1685        if (!date) {
1686          return '';
1687        }
1688
1689        // All of the dates created through ng-material *should* be set to midnight.
1690        // If we encounter a date where the localeTime shows at 11pm instead of midnight,
1691        // we have run into an issue with DST where we need to increment the hour by one:
1692        // var d = new Date(1992, 9, 8, 0, 0, 0);
1693        // d.toLocaleString(); // == "10/7/1992, 11:00:00 PM"
1694        var localeTime = date.toLocaleTimeString();
1695        var formatDate = date;
1696        if (date.getHours() === 0 &&
1697            (localeTime.indexOf('11:') !== -1 || localeTime.indexOf('23:') !== -1)) {
1698          formatDate = new Date(date.getFullYear(), date.getMonth(), date.getDate(), 1, 0, 0);
1699        }
1700
1701        return $filter('date')(formatDate, 'M/d/yyyy', timezone);
1702      }
1703
1704      /**
1705       * Default string-to-date parsing function.
1706       * @param {string} dateString
1707       * @returns {!Date}
1708       */
1709      function defaultParseDate(dateString) {
1710        return new Date(dateString);
1711      }
1712
1713      /**
1714       * Default function to determine whether a string makes sense to be
1715       * parsed to a Date object.
1716       *
1717       * This is very permissive and is just a basic sanity check to ensure that
1718       * things like single integers aren't able to be parsed into dates.
1719       * @param {string} dateString
1720       * @returns {boolean}
1721       */
1722      function defaultIsDateComplete(dateString) {
1723        dateString = dateString.trim();
1724
1725        // Looks for three chunks of content (either numbers or text) separated
1726        // by delimiters.
1727        var re = /^(([a-zA-Z]{3,}|[0-9]{1,4})([ \.,]+|[\/\-])){2}([a-zA-Z]{3,}|[0-9]{1,4})$/;
1728        return re.test(dateString);
1729      }
1730
1731      /**
1732       * Default date-to-string formatter to get a month header.
1733       * @param {!Date} date
1734       * @returns {string}
1735       */
1736      function defaultMonthHeaderFormatter(date) {
1737        return service.shortMonths[date.getMonth()] + ' ' + date.getFullYear();
1738      }
1739
1740      /**
1741       * Default formatter for a month.
1742       * @param {!Date} date
1743       * @returns {string}
1744       */
1745      function defaultMonthFormatter(date) {
1746        return service.months[date.getMonth()] + ' ' + date.getFullYear();
1747      }
1748
1749      /**
1750       * Default week number formatter.
1751       * @param number
1752       * @returns {string}
1753       */
1754      function defaultWeekNumberFormatter(number) {
1755        return 'Week ' + number;
1756      }
1757
1758      /**
1759       * Default formatter for date cell aria-labels.
1760       * @param {!Date} date
1761       * @returns {string}
1762       */
1763      function defaultLongDateFormatter(date) {
1764        // Example: 'Thursday June 18 2015'
1765        return [
1766          service.days[date.getDay()],
1767          service.months[date.getMonth()],
1768          service.dates[date.getDate()],
1769          date.getFullYear()
1770        ].join(' ');
1771      }
1772
1773      // The default "short" day strings are the first character of each day,
1774      // e.g., "Monday" => "M".
1775      var defaultShortDays = $locale.DATETIME_FORMATS.SHORTDAY.map(function(day) {
1776        return day.substring(0, 1);
1777      });
1778
1779      // The default dates are simply the numbers 1 through 31.
1780      var defaultDates = Array(32);
1781      for (var i = 1; i <= 31; i++) {
1782        defaultDates[i] = i;
1783      }
1784
1785      // Default ARIA messages are in English (US).
1786      var defaultMsgCalendar = 'Calendar';
1787      var defaultMsgOpenCalendar = 'Open calendar';
1788
1789      // Default start/end dates that are rendered in the calendar.
1790      var defaultFirstRenderableDate = new Date(1880, 0, 1);
1791      var defaultLastRendereableDate = new Date(defaultFirstRenderableDate.getFullYear() + 250, 0, 1);
1792
1793      var service = {
1794        months: this.months || $locale.DATETIME_FORMATS.MONTH,
1795        shortMonths: this.shortMonths || $locale.DATETIME_FORMATS.SHORTMONTH,
1796        days: this.days || $locale.DATETIME_FORMATS.DAY,
1797        shortDays: this.shortDays || defaultShortDays,
1798        dates: this.dates || defaultDates,
1799        firstDayOfWeek: this.firstDayOfWeek || 0,
1800        formatDate: this.formatDate || defaultFormatDate,
1801        parseDate: this.parseDate || defaultParseDate,
1802        isDateComplete: this.isDateComplete || defaultIsDateComplete,
1803        monthHeaderFormatter: this.monthHeaderFormatter || defaultMonthHeaderFormatter,
1804        monthFormatter: this.monthFormatter || defaultMonthFormatter,
1805        weekNumberFormatter: this.weekNumberFormatter || defaultWeekNumberFormatter,
1806        longDateFormatter: this.longDateFormatter || defaultLongDateFormatter,
1807        msgCalendar: this.msgCalendar || defaultMsgCalendar,
1808        msgOpenCalendar: this.msgOpenCalendar || defaultMsgOpenCalendar,
1809        firstRenderableDate: this.firstRenderableDate || defaultFirstRenderableDate,
1810        lastRenderableDate: this.lastRenderableDate || defaultLastRendereableDate
1811      };
1812
1813      return service;
1814    };
1815    DateLocaleProvider.prototype.$get['$inject'] = ["$locale", "$filter"];
1816
1817    $provide.provider('$mdDateLocale', new DateLocaleProvider());
1818  }]);
1819})();
1820
1821(function() {
1822  'use strict';
1823
1824  /**
1825   * Utility for performing date calculations to facilitate operation of the calendar and
1826   * datepicker.
1827   */
1828  angular.module('material.components.datepicker').factory('$$mdDateUtil', function() {
1829    return {
1830      getFirstDateOfMonth: getFirstDateOfMonth,
1831      getNumberOfDaysInMonth: getNumberOfDaysInMonth,
1832      getDateInNextMonth: getDateInNextMonth,
1833      getDateInPreviousMonth: getDateInPreviousMonth,
1834      isInNextMonth: isInNextMonth,
1835      isInPreviousMonth: isInPreviousMonth,
1836      getDateMidpoint: getDateMidpoint,
1837      isSameMonthAndYear: isSameMonthAndYear,
1838      getWeekOfMonth: getWeekOfMonth,
1839      incrementDays: incrementDays,
1840      incrementMonths: incrementMonths,
1841      getLastDateOfMonth: getLastDateOfMonth,
1842      isSameDay: isSameDay,
1843      getMonthDistance: getMonthDistance,
1844      isValidDate: isValidDate,
1845      setDateTimeToMidnight: setDateTimeToMidnight,
1846      createDateAtMidnight: createDateAtMidnight,
1847      isDateWithinRange: isDateWithinRange,
1848      incrementYears: incrementYears,
1849      getYearDistance: getYearDistance,
1850      clampDate: clampDate,
1851      getTimestampFromNode: getTimestampFromNode,
1852      isMonthWithinRange: isMonthWithinRange
1853    };
1854
1855    /**
1856     * Gets the first day of the month for the given date's month.
1857     * @param {Date} date
1858     * @returns {Date}
1859     */
1860    function getFirstDateOfMonth(date) {
1861      return new Date(date.getFullYear(), date.getMonth(), 1);
1862    }
1863
1864    /**
1865     * Gets the number of days in the month for the given date's month.
1866     * @param date
1867     * @returns {number}
1868     */
1869    function getNumberOfDaysInMonth(date) {
1870      return new Date(date.getFullYear(), date.getMonth() + 1, 0).getDate();
1871    }
1872
1873    /**
1874     * Get an arbitrary date in the month after the given date's month.
1875     * @param date
1876     * @returns {Date}
1877     */
1878    function getDateInNextMonth(date) {
1879      return new Date(date.getFullYear(), date.getMonth() + 1, 1);
1880    }
1881
1882    /**
1883     * Get an arbitrary date in the month before the given date's month.
1884     * @param date
1885     * @returns {Date}
1886     */
1887    function getDateInPreviousMonth(date) {
1888      return new Date(date.getFullYear(), date.getMonth() - 1, 1);
1889    }
1890
1891    /**
1892     * Gets whether two dates have the same month and year.
1893     * @param {Date} d1
1894     * @param {Date} d2
1895     * @returns {boolean}
1896     */
1897    function isSameMonthAndYear(d1, d2) {
1898      return d1.getFullYear() === d2.getFullYear() && d1.getMonth() === d2.getMonth();
1899    }
1900
1901    /**
1902     * Gets whether two dates are the same day (not not necesarily the same time).
1903     * @param {Date} d1
1904     * @param {Date} d2
1905     * @returns {boolean}
1906     */
1907    function isSameDay(d1, d2) {
1908      return d1.getDate() == d2.getDate() && isSameMonthAndYear(d1, d2);
1909    }
1910
1911    /**
1912     * Gets whether a date is in the month immediately after some date.
1913     * @param {Date} startDate The date from which to compare.
1914     * @param {Date} endDate The date to check.
1915     * @returns {boolean}
1916     */
1917    function isInNextMonth(startDate, endDate) {
1918      var nextMonth = getDateInNextMonth(startDate);
1919      return isSameMonthAndYear(nextMonth, endDate);
1920    }
1921
1922    /**
1923     * Gets whether a date is in the month immediately before some date.
1924     * @param {Date} startDate The date from which to compare.
1925     * @param {Date} endDate The date to check.
1926     * @returns {boolean}
1927     */
1928    function isInPreviousMonth(startDate, endDate) {
1929      var previousMonth = getDateInPreviousMonth(startDate);
1930      return isSameMonthAndYear(endDate, previousMonth);
1931    }
1932
1933    /**
1934     * Gets the midpoint between two dates.
1935     * @param {Date} d1
1936     * @param {Date} d2
1937     * @returns {Date}
1938     */
1939    function getDateMidpoint(d1, d2) {
1940      return createDateAtMidnight((d1.getTime() + d2.getTime()) / 2);
1941    }
1942
1943    /**
1944     * Gets the week of the month that a given date occurs in.
1945     * @param {Date} date
1946     * @returns {number} Index of the week of the month (zero-based).
1947     */
1948    function getWeekOfMonth(date) {
1949      var firstDayOfMonth = getFirstDateOfMonth(date);
1950      return Math.floor((firstDayOfMonth.getDay() + date.getDate() - 1) / 7);
1951    }
1952
1953    /**
1954     * Gets a new date incremented by the given number of days. Number of days can be negative.
1955     * @param {Date} date
1956     * @param {number} numberOfDays
1957     * @returns {Date}
1958     */
1959    function incrementDays(date, numberOfDays) {
1960      return new Date(date.getFullYear(), date.getMonth(), date.getDate() + numberOfDays);
1961    }
1962
1963    /**
1964     * Gets a new date incremented by the given number of months. Number of months can be negative.
1965     * If the date of the given month does not match the target month, the date will be set to the
1966     * last day of the month.
1967     * @param {Date} date
1968     * @param {number} numberOfMonths
1969     * @returns {Date}
1970     */
1971    function incrementMonths(date, numberOfMonths) {
1972      // If the same date in the target month does not actually exist, the Date object will
1973      // automatically advance *another* month by the number of missing days.
1974      // For example, if you try to go from Jan. 30 to Feb. 30, you'll end up on March 2.
1975      // So, we check if the month overflowed and go to the last day of the target month instead.
1976      var dateInTargetMonth = new Date(date.getFullYear(), date.getMonth() + numberOfMonths, 1);
1977      var numberOfDaysInMonth = getNumberOfDaysInMonth(dateInTargetMonth);
1978      if (numberOfDaysInMonth < date.getDate()) {
1979        dateInTargetMonth.setDate(numberOfDaysInMonth);
1980      } else {
1981        dateInTargetMonth.setDate(date.getDate());
1982      }
1983
1984      return dateInTargetMonth;
1985    }
1986
1987    /**
1988     * Get the integer distance between two months. This *only* considers the month and year
1989     * portion of the Date instances.
1990     *
1991     * @param {Date} start
1992     * @param {Date} end
1993     * @returns {number} Number of months between `start` and `end`. If `end` is before `start`
1994     *     chronologically, this number will be negative.
1995     */
1996    function getMonthDistance(start, end) {
1997      return (12 * (end.getFullYear() - start.getFullYear())) + (end.getMonth() - start.getMonth());
1998    }
1999
2000    /**
2001     * Gets the last day of the month for the given date.
2002     * @param {Date} date
2003     * @returns {Date}
2004     */
2005    function getLastDateOfMonth(date) {
2006      return new Date(date.getFullYear(), date.getMonth(), getNumberOfDaysInMonth(date));
2007    }
2008
2009    /**
2010     * Checks whether a date is valid.
2011     * @param {Date} date
2012     * @return {boolean} Whether the date is a valid Date.
2013     */
2014    function isValidDate(date) {
2015      return date && date.getTime && !isNaN(date.getTime());
2016    }
2017
2018    /**
2019     * Sets a date's time to midnight.
2020     * @param {Date} date
2021     */
2022    function setDateTimeToMidnight(date) {
2023      if (isValidDate(date)) {
2024        date.setHours(0, 0, 0, 0);
2025      }
2026    }
2027
2028    /**
2029     * Creates a date with the time set to midnight.
2030     * Drop-in replacement for two forms of the Date constructor:
2031     * 1. No argument for Date representing now.
2032     * 2. Single-argument value representing number of seconds since Unix Epoch
2033     * or a Date object.
2034     * @param {number|Date=} opt_value
2035     * @return {Date} New date with time set to midnight.
2036     */
2037    function createDateAtMidnight(opt_value) {
2038      var date;
2039      if (angular.isUndefined(opt_value)) {
2040        date = new Date();
2041      } else {
2042        date = new Date(opt_value);
2043      }
2044      setDateTimeToMidnight(date);
2045      return date;
2046    }
2047
2048     /**
2049      * Checks if a date is within a min and max range, ignoring the time component.
2050      * If minDate or maxDate are not dates, they are ignored.
2051      * @param {Date} date
2052      * @param {Date} minDate
2053      * @param {Date} maxDate
2054      */
2055     function isDateWithinRange(date, minDate, maxDate) {
2056       var dateAtMidnight = createDateAtMidnight(date);
2057       var minDateAtMidnight = isValidDate(minDate) ? createDateAtMidnight(minDate) : null;
2058       var maxDateAtMidnight = isValidDate(maxDate) ? createDateAtMidnight(maxDate) : null;
2059       return (!minDateAtMidnight || minDateAtMidnight <= dateAtMidnight) &&
2060           (!maxDateAtMidnight || maxDateAtMidnight >= dateAtMidnight);
2061     }
2062
2063    /**
2064     * Gets a new date incremented by the given number of years. Number of years can be negative.
2065     * See `incrementMonths` for notes on overflow for specific dates.
2066     * @param {Date} date
2067     * @param {number} numberOfYears
2068     * @returns {Date}
2069     */
2070     function incrementYears(date, numberOfYears) {
2071       return incrementMonths(date, numberOfYears * 12);
2072     }
2073
2074     /**
2075      * Get the integer distance between two years. This *only* considers the year portion of the
2076      * Date instances.
2077      *
2078      * @param {Date} start
2079      * @param {Date} end
2080      * @returns {number} Number of months between `start` and `end`. If `end` is before `start`
2081      *     chronologically, this number will be negative.
2082      */
2083     function getYearDistance(start, end) {
2084       return end.getFullYear() - start.getFullYear();
2085     }
2086
2087     /**
2088      * Clamps a date between a minimum and a maximum date.
2089      * @param {Date} date Date to be clamped
2090      * @param {Date=} minDate Minimum date
2091      * @param {Date=} maxDate Maximum date
2092      * @return {Date}
2093      */
2094     function clampDate(date, minDate, maxDate) {
2095       var boundDate = date;
2096       if (minDate && date < minDate) {
2097         boundDate = new Date(minDate.getTime());
2098       }
2099       if (maxDate && date > maxDate) {
2100         boundDate = new Date(maxDate.getTime());
2101       }
2102       return boundDate;
2103     }
2104
2105     /**
2106      * Extracts and parses the timestamp from a DOM node.
2107      * @param  {HTMLElement} node Node from which the timestamp will be extracted.
2108      * @return {number} Time since epoch.
2109      */
2110     function getTimestampFromNode(node) {
2111       if (node && node.hasAttribute('data-timestamp')) {
2112         return Number(node.getAttribute('data-timestamp'));
2113       }
2114     }
2115
2116     /**
2117      * Checks if a month is within a min and max range, ignoring the date and time components.
2118      * If minDate or maxDate are not dates, they are ignored.
2119      * @param {Date} date
2120      * @param {Date} minDate
2121      * @param {Date} maxDate
2122      */
2123     function isMonthWithinRange(date, minDate, maxDate) {
2124       var month = date.getMonth();
2125       var year = date.getFullYear();
2126
2127       return (!minDate || minDate.getFullYear() < year || minDate.getMonth() <= month) &&
2128        (!maxDate || maxDate.getFullYear() > year || maxDate.getMonth() >= month);
2129     }
2130  });
2131})();
2132
2133(function() {
2134  'use strict';
2135
2136  // POST RELEASE
2137  // TODO(jelbourn): Demo that uses moment.js
2138  // TODO(jelbourn): make sure this plays well with validation and ngMessages.
2139  // TODO(jelbourn): calendar pane doesn't open up outside of visible viewport.
2140  // TODO(jelbourn): forward more attributes to the internal input (required, autofocus, etc.)
2141  // TODO(jelbourn): something better for mobile (calendar panel takes up entire screen?)
2142  // TODO(jelbourn): input behavior (masking? auto-complete?)
2143
2144
2145  DatePickerCtrl['$inject'] = ["$scope", "$element", "$attrs", "$window", "$mdConstant", "$mdTheming", "$mdUtil", "$mdDateLocale", "$$mdDateUtil", "$$rAF", "$filter"];
2146  datePickerDirective['$inject'] = ["$$mdSvgRegistry", "$mdUtil", "$mdAria", "inputDirective"];
2147  angular.module('material.components.datepicker')
2148      .directive('mdDatepicker', datePickerDirective);
2149
2150  /**
2151   * @ngdoc directive
2152   * @name mdDatepicker
2153   * @module material.components.datepicker
2154   *
2155   * @param {Date} ng-model The component's model. Expects a JavaScript Date object.
2156   * @param {Object=} ng-model-options Allows tuning of the way in which `ng-model` is being updated. Also allows
2157   * for a timezone to be specified. <a href="https://docs.angularjs.org/api/ng/directive/ngModelOptions#usage">Read more at the ngModelOptions docs.</a>
2158   * @param {expression=} ng-change Expression evaluated when the model value changes.
2159   * @param {expression=} ng-focus Expression evaluated when the input is focused or the calendar is opened.
2160   * @param {expression=} ng-blur Expression evaluated when focus is removed from the input or the calendar is closed.
2161   * @param {boolean=} ng-disabled Whether the datepicker is disabled.
2162   * @param {boolean=} ng-required Whether a value is required for the datepicker.
2163   * @param {Date=} md-min-date Expression representing a min date (inclusive).
2164   * @param {Date=} md-max-date Expression representing a max date (inclusive).
2165   * @param {(function(Date): boolean)=} md-date-filter Function expecting a date and returning a boolean whether it can be selected or not.
2166   * @param {String=} md-placeholder The date input placeholder value.
2167   * @param {String=} md-open-on-focus When present, the calendar will be opened when the input is focused.
2168   * @param {Boolean=} md-is-open Expression that can be used to open the datepicker's calendar on-demand.
2169   * @param {String=} md-current-view Default open view of the calendar pane. Can be either "month" or "year".
2170   * @param {String=} md-hide-icons Determines which datepicker icons should be hidden. Note that this may cause the
2171   * datepicker to not align properly with other components. **Use at your own risk.** Possible values are:
2172   * * `"all"` - Hides all icons.
2173   * * `"calendar"` - Only hides the calendar icon.
2174   * * `"triangle"` - Only hides the triangle icon.
2175   * @param {Object=} md-date-locale Allows for the values from the `$mdDateLocaleProvider` to be
2176   * ovewritten on a per-element basis (e.g. `msgOpenCalendar` can be overwritten with
2177   * `md-date-locale="{ msgOpenCalendar: 'Open a special calendar' }"`).
2178   *
2179   * @description
2180   * `<md-datepicker>` is a component used to select a single date.
2181   * For information on how to configure internationalization for the date picker,
2182   * see `$mdDateLocaleProvider`.
2183   *
2184   * This component supports [ngMessages](https://docs.angularjs.org/api/ngMessages/directive/ngMessages).
2185   * Supported attributes are:
2186   * * `required`: whether a required date is not set.
2187   * * `mindate`: whether the selected date is before the minimum allowed date.
2188   * * `maxdate`: whether the selected date is after the maximum allowed date.
2189   * * `debounceInterval`: ms to delay input processing (since last debounce reset); default value 500ms
2190   *
2191   * @usage
2192   * <hljs lang="html">
2193   *   <md-datepicker ng-model="birthday"></md-datepicker>
2194   * </hljs>
2195   *
2196   */
2197
2198  function datePickerDirective($$mdSvgRegistry, $mdUtil, $mdAria, inputDirective) {
2199    return {
2200      template: function(tElement, tAttrs) {
2201        // Buttons are not in the tab order because users can open the calendar via keyboard
2202        // interaction on the text input, and multiple tab stops for one component (picker)
2203        // may be confusing.
2204        var hiddenIcons = tAttrs.mdHideIcons;
2205        var ariaLabelValue = tAttrs.ariaLabel || tAttrs.mdPlaceholder;
2206
2207        var calendarButton = (hiddenIcons === 'all' || hiddenIcons === 'calendar') ? '' :
2208          '<md-button class="md-datepicker-button md-icon-button" type="button" ' +
2209              'tabindex="-1" aria-hidden="true" ' +
2210              'ng-click="ctrl.openCalendarPane($event)">' +
2211            '<md-icon class="md-datepicker-calendar-icon" aria-label="md-calendar" ' +
2212                     'md-svg-src="' + $$mdSvgRegistry.mdCalendar + '"></md-icon>' +
2213          '</md-button>';
2214
2215        var triangleButton = '';
2216
2217        if (hiddenIcons !== 'all' && hiddenIcons !== 'triangle') {
2218          triangleButton = '' +
2219            '<md-button type="button" md-no-ink ' +
2220              'class="md-datepicker-triangle-button md-icon-button" ' +
2221              'ng-click="ctrl.openCalendarPane($event)" ' +
2222              'aria-label="{{::ctrl.locale.msgOpenCalendar}}">' +
2223            '<div class="md-datepicker-expand-triangle"></div>' +
2224          '</md-button>';
2225
2226          tElement.addClass(HAS_TRIANGLE_ICON_CLASS);
2227        }
2228
2229        return calendarButton +
2230        '<div class="md-datepicker-input-container" ng-class="{\'md-datepicker-focused\': ctrl.isFocused}">' +
2231          '<input ' +
2232            (ariaLabelValue ? 'aria-label="' + ariaLabelValue + '" ' : '') +
2233            'class="md-datepicker-input" ' +
2234            'aria-haspopup="true" ' +
2235            'aria-expanded="{{ctrl.isCalendarOpen}}" ' +
2236            'ng-focus="ctrl.setFocused(true)" ' +
2237            'ng-blur="ctrl.setFocused(false)"> ' +
2238            triangleButton +
2239        '</div>' +
2240
2241        // This pane will be detached from here and re-attached to the document body.
2242        '<div class="md-datepicker-calendar-pane md-whiteframe-z1" id="{{::ctrl.calendarPaneId}}">' +
2243          '<div class="md-datepicker-input-mask">' +
2244            '<div class="md-datepicker-input-mask-opaque"></div>' +
2245          '</div>' +
2246          '<div class="md-datepicker-calendar">' +
2247            '<md-calendar role="dialog" aria-label="{{::ctrl.locale.msgCalendar}}" ' +
2248                'md-current-view="{{::ctrl.currentView}}"' +
2249                'md-min-date="ctrl.minDate"' +
2250                'md-max-date="ctrl.maxDate"' +
2251                'md-date-filter="ctrl.dateFilter"' +
2252                'ng-model="ctrl.date" ng-if="ctrl.isCalendarOpen">' +
2253            '</md-calendar>' +
2254          '</div>' +
2255        '</div>';
2256      },
2257      require: ['ngModel', 'mdDatepicker', '?^mdInputContainer', '?^form'],
2258      scope: {
2259        minDate: '=mdMinDate',
2260        maxDate: '=mdMaxDate',
2261        placeholder: '@mdPlaceholder',
2262        currentView: '@mdCurrentView',
2263        dateFilter: '=mdDateFilter',
2264        isOpen: '=?mdIsOpen',
2265        debounceInterval: '=mdDebounceInterval',
2266        dateLocale: '=mdDateLocale'
2267      },
2268      controller: DatePickerCtrl,
2269      controllerAs: 'ctrl',
2270      bindToController: true,
2271      link: function(scope, element, attr, controllers) {
2272        var ngModelCtrl = controllers[0];
2273        var mdDatePickerCtrl = controllers[1];
2274        var mdInputContainer = controllers[2];
2275        var parentForm = controllers[3];
2276        var mdNoAsterisk = $mdUtil.parseAttributeBoolean(attr.mdNoAsterisk);
2277
2278        mdDatePickerCtrl.configureNgModel(ngModelCtrl, mdInputContainer, inputDirective);
2279
2280        if (mdInputContainer) {
2281          // We need to move the spacer after the datepicker itself,
2282          // because md-input-container adds it after the
2283          // md-datepicker-input by default. The spacer gets wrapped in a
2284          // div, because it floats and gets aligned next to the datepicker.
2285          // There are easier ways of working around this with CSS (making the
2286          // datepicker 100% wide, change the `display` etc.), however they
2287          // break the alignment with any other form controls.
2288          var spacer = element[0].querySelector('.md-errors-spacer');
2289
2290          if (spacer) {
2291            element.after(angular.element('<div>').append(spacer));
2292          }
2293
2294          mdInputContainer.setHasPlaceholder(attr.mdPlaceholder);
2295          mdInputContainer.input = element;
2296          mdInputContainer.element
2297            .addClass(INPUT_CONTAINER_CLASS)
2298            .toggleClass(HAS_CALENDAR_ICON_CLASS, attr.mdHideIcons !== 'calendar' && attr.mdHideIcons !== 'all');
2299
2300          if (!mdInputContainer.label) {
2301            $mdAria.expect(element, 'aria-label', attr.mdPlaceholder);
2302          } else if(!mdNoAsterisk) {
2303            attr.$observe('required', function(value) {
2304              mdInputContainer.label.toggleClass('md-required', !!value);
2305            });
2306          }
2307
2308          scope.$watch(mdInputContainer.isErrorGetter || function() {
2309            return ngModelCtrl.$invalid && (ngModelCtrl.$touched || (parentForm && parentForm.$submitted));
2310          }, mdInputContainer.setInvalid);
2311        } else if (parentForm) {
2312          // If invalid, highlights the input when the parent form is submitted.
2313          var parentSubmittedWatcher = scope.$watch(function() {
2314            return parentForm.$submitted;
2315          }, function(isSubmitted) {
2316            if (isSubmitted) {
2317              mdDatePickerCtrl.updateErrorState();
2318              parentSubmittedWatcher();
2319            }
2320          });
2321        }
2322      }
2323    };
2324  }
2325
2326  /** Additional offset for the input's `size` attribute, which is updated based on its content. */
2327  var EXTRA_INPUT_SIZE = 3;
2328
2329  /** Class applied to the container if the date is invalid. */
2330  var INVALID_CLASS = 'md-datepicker-invalid';
2331
2332  /** Class applied to the datepicker when it's open. */
2333  var OPEN_CLASS = 'md-datepicker-open';
2334
2335  /** Class applied to the md-input-container, if a datepicker is placed inside it */
2336  var INPUT_CONTAINER_CLASS = '_md-datepicker-floating-label';
2337
2338  /** Class to be applied when the calendar icon is enabled. */
2339  var HAS_CALENDAR_ICON_CLASS = '_md-datepicker-has-calendar-icon';
2340
2341  /** Class to be applied when the triangle icon is enabled. */
2342  var HAS_TRIANGLE_ICON_CLASS = '_md-datepicker-has-triangle-icon';
2343
2344  /** Default time in ms to debounce input event by. */
2345  var DEFAULT_DEBOUNCE_INTERVAL = 500;
2346
2347  /**
2348   * Height of the calendar pane used to check if the pane is going outside the boundary of
2349   * the viewport. See calendar.scss for how $md-calendar-height is computed; an extra 20px is
2350   * also added to space the pane away from the exact edge of the screen.
2351   *
2352   *  This is computed statically now, but can be changed to be measured if the circumstances
2353   *  of calendar sizing are changed.
2354   */
2355  var CALENDAR_PANE_HEIGHT = 368;
2356
2357  /**
2358   * Width of the calendar pane used to check if the pane is going outside the boundary of
2359   * the viewport. See calendar.scss for how $md-calendar-width is computed; an extra 20px is
2360   * also added to space the pane away from the exact edge of the screen.
2361   *
2362   *  This is computed statically now, but can be changed to be measured if the circumstances
2363   *  of calendar sizing are changed.
2364   */
2365  var CALENDAR_PANE_WIDTH = 360;
2366
2367  /** Used for checking whether the current user agent is on iOS or Android. */
2368  var IS_MOBILE_REGEX = /ipad|iphone|ipod|android/i;
2369
2370  /**
2371   * Controller for md-datepicker.
2372   *
2373   * ngInject @constructor
2374   */
2375  function DatePickerCtrl($scope, $element, $attrs, $window, $mdConstant,
2376    $mdTheming, $mdUtil, $mdDateLocale, $$mdDateUtil, $$rAF, $filter) {
2377
2378    /** @final */
2379    this.$window = $window;
2380
2381    /** @final */
2382    this.dateUtil = $$mdDateUtil;
2383
2384    /** @final */
2385    this.$mdConstant = $mdConstant;
2386
2387    /* @final */
2388    this.$mdUtil = $mdUtil;
2389
2390    /** @final */
2391    this.$$rAF = $$rAF;
2392
2393    /** @final */
2394    this.$mdDateLocale = $mdDateLocale;
2395
2396    /**
2397     * The root document element. This is used for attaching a top-level click handler to
2398     * close the calendar panel when a click outside said panel occurs. We use `documentElement`
2399     * instead of body because, when scrolling is disabled, some browsers consider the body element
2400     * to be completely off the screen and propagate events directly to the html element.
2401     * @type {!angular.JQLite}
2402     */
2403    this.documentElement = angular.element(document.documentElement);
2404
2405    /** @type {!angular.NgModelController} */
2406    this.ngModelCtrl = null;
2407
2408    /** @type {HTMLInputElement} */
2409    this.inputElement = $element[0].querySelector('input');
2410
2411    /** @final {!angular.JQLite} */
2412    this.ngInputElement = angular.element(this.inputElement);
2413
2414    /** @type {HTMLElement} */
2415    this.inputContainer = $element[0].querySelector('.md-datepicker-input-container');
2416
2417    /** @type {HTMLElement} Floating calendar pane. */
2418    this.calendarPane = $element[0].querySelector('.md-datepicker-calendar-pane');
2419
2420    /** @type {HTMLElement} Calendar icon button. */
2421    this.calendarButton = $element[0].querySelector('.md-datepicker-button');
2422
2423    /**
2424     * Element covering everything but the input in the top of the floating calendar pane.
2425     * @type {!angular.JQLite}
2426     */
2427    this.inputMask = angular.element($element[0].querySelector('.md-datepicker-input-mask-opaque'));
2428
2429    /** @final {!angular.JQLite} */
2430    this.$element = $element;
2431
2432    /** @final {!angular.Attributes} */
2433    this.$attrs = $attrs;
2434
2435    /** @final {!angular.Scope} */
2436    this.$scope = $scope;
2437
2438    /** @type {Date} */
2439    this.date = null;
2440
2441    /** @type {boolean} */
2442    this.isFocused = false;
2443
2444    /** @type {boolean} */
2445    this.isDisabled;
2446    this.setDisabled($element[0].disabled || angular.isString($attrs.disabled));
2447
2448    /** @type {boolean} Whether the date-picker's calendar pane is open. */
2449    this.isCalendarOpen = false;
2450
2451    /** @type {boolean} Whether the calendar should open when the input is focused. */
2452    this.openOnFocus = $attrs.hasOwnProperty('mdOpenOnFocus');
2453
2454    /** @final */
2455    this.mdInputContainer = null;
2456
2457    /**
2458     * Element from which the calendar pane was opened. Keep track of this so that we can return
2459     * focus to it when the pane is closed.
2460     * @type {HTMLElement}
2461     */
2462    this.calendarPaneOpenedFrom = null;
2463
2464    /** @type {String} Unique id for the calendar pane. */
2465    this.calendarPaneId = 'md-date-pane-' + $mdUtil.nextUid();
2466
2467    /** Pre-bound click handler is saved so that the event listener can be removed. */
2468    this.bodyClickHandler = angular.bind(this, this.handleBodyClick);
2469
2470    /**
2471     * Name of the event that will trigger a close. Necessary to sniff the browser, because
2472     * the resize event doesn't make sense on mobile and can have a negative impact since it
2473     * triggers whenever the browser zooms in on a focused input.
2474     */
2475    this.windowEventName = IS_MOBILE_REGEX.test(
2476      navigator.userAgent || navigator.vendor || window.opera
2477    ) ? 'orientationchange' : 'resize';
2478
2479    /** Pre-bound close handler so that the event listener can be removed. */
2480    this.windowEventHandler = $mdUtil.debounce(angular.bind(this, this.closeCalendarPane), 100);
2481
2482    /** Pre-bound handler for the window blur event. Allows for it to be removed later. */
2483    this.windowBlurHandler = angular.bind(this, this.handleWindowBlur);
2484
2485    /** The built-in Angular date filter. */
2486    this.ngDateFilter = $filter('date');
2487
2488    /** @type {Number} Extra margin for the left side of the floating calendar pane. */
2489    this.leftMargin = 20;
2490
2491    /** @type {Number} Extra margin for the top of the floating calendar. Gets determined on the first open. */
2492    this.topMargin = null;
2493
2494    // Unless the user specifies so, the datepicker should not be a tab stop.
2495    // This is necessary because ngAria might add a tabindex to anything with an ng-model
2496    // (based on whether or not the user has turned that particular feature on/off).
2497    if ($attrs.tabindex) {
2498      this.ngInputElement.attr('tabindex', $attrs.tabindex);
2499      $attrs.$set('tabindex', null);
2500    } else {
2501      $attrs.$set('tabindex', '-1');
2502    }
2503
2504    $attrs.$set('aria-owns', this.calendarPaneId);
2505
2506    $mdTheming($element);
2507    $mdTheming(angular.element(this.calendarPane));
2508
2509    var self = this;
2510
2511    $scope.$on('$destroy', function() {
2512      self.detachCalendarPane();
2513    });
2514
2515    if ($attrs.mdIsOpen) {
2516      $scope.$watch('ctrl.isOpen', function(shouldBeOpen) {
2517        if (shouldBeOpen) {
2518          self.openCalendarPane({
2519            target: self.inputElement
2520          });
2521        } else {
2522          self.closeCalendarPane();
2523        }
2524      });
2525    }
2526
2527    // For Angular 1.4 and older, where there are no lifecycle hooks but bindings are pre-assigned,
2528    // manually call the $onInit hook.
2529    if (angular.version.major === 1 && angular.version.minor <= 4) {
2530      this.$onInit();
2531    }
2532
2533  }
2534
2535  /**
2536   * Angular Lifecycle hook for newer Angular versions.
2537   * Bindings are not guaranteed to have been assigned in the controller, but they are in the $onInit hook.
2538   */
2539  DatePickerCtrl.prototype.$onInit = function() {
2540
2541    /**
2542     * Holds locale-specific formatters, parsers, labels etc. Allows
2543     * the user to override specific ones from the $mdDateLocale provider.
2544     * @type {!Object}
2545     */
2546    this.locale = this.dateLocale ? angular.extend({}, this.$mdDateLocale, this.dateLocale) : this.$mdDateLocale;
2547
2548    this.installPropertyInterceptors();
2549    this.attachChangeListeners();
2550    this.attachInteractionListeners();
2551  };
2552
2553  /**
2554   * Sets up the controller's reference to ngModelController and
2555   * applies Angular's `input[type="date"]` directive.
2556   * @param {!angular.NgModelController} ngModelCtrl Instance of the ngModel controller.
2557   * @param {Object} mdInputContainer Instance of the mdInputContainer controller.
2558   * @param {Object} inputDirective Config for Angular's `input` directive.
2559   */
2560  DatePickerCtrl.prototype.configureNgModel = function(ngModelCtrl, mdInputContainer, inputDirective) {
2561    this.ngModelCtrl = ngModelCtrl;
2562    this.mdInputContainer = mdInputContainer;
2563
2564    // The input needs to be [type="date"] in order to be picked up by Angular.
2565    this.$attrs.$set('type', 'date');
2566
2567    // Invoke the `input` directive link function, adding a stub for the element.
2568    // This allows us to re-use Angular's logic for setting the timezone via ng-model-options.
2569    // It works by calling the link function directly which then adds the proper `$parsers` and
2570    // `$formatters` to the ngModel controller.
2571    inputDirective[0].link.pre(this.$scope, {
2572      on: angular.noop,
2573      val: angular.noop,
2574      0: {}
2575    }, this.$attrs, [ngModelCtrl]);
2576
2577    var self = this;
2578
2579    // Responds to external changes to the model value.
2580    self.ngModelCtrl.$formatters.push(function(value) {
2581      if (value && !(value instanceof Date)) {
2582        throw Error('The ng-model for md-datepicker must be a Date instance. ' +
2583            'Currently the model is a: ' + (typeof value));
2584      }
2585
2586      self.onExternalChange(value);
2587
2588      return value;
2589    });
2590
2591    // Responds to external error state changes (e.g. ng-required based on another input).
2592    ngModelCtrl.$viewChangeListeners.unshift(angular.bind(this, this.updateErrorState));
2593
2594    // Forwards any events from the input to the root element. This is necessary to get `updateOn`
2595    // working for events that don't bubble (e.g. 'blur') since Angular binds the handlers to
2596    // the `<md-datepicker>`.
2597    var updateOn = self.$mdUtil.getModelOption(ngModelCtrl, 'updateOn');
2598
2599    if (updateOn) {
2600      this.ngInputElement.on(
2601        updateOn,
2602        angular.bind(this.$element, this.$element.triggerHandler, updateOn)
2603      );
2604    }
2605  };
2606
2607  /**
2608   * Attach event listeners for both the text input and the md-calendar.
2609   * Events are used instead of ng-model so that updates don't infinitely update the other
2610   * on a change. This should also be more performant than using a $watch.
2611   */
2612  DatePickerCtrl.prototype.attachChangeListeners = function() {
2613    var self = this;
2614
2615    self.$scope.$on('md-calendar-change', function(event, date) {
2616      self.setModelValue(date);
2617      self.onExternalChange(date);
2618      self.closeCalendarPane();
2619    });
2620
2621    self.ngInputElement.on('input', angular.bind(self, self.resizeInputElement));
2622
2623    var debounceInterval = angular.isDefined(this.debounceInterval) ?
2624        this.debounceInterval : DEFAULT_DEBOUNCE_INTERVAL;
2625    self.ngInputElement.on('input', self.$mdUtil.debounce(self.handleInputEvent,
2626        debounceInterval, self));
2627  };
2628
2629  /** Attach event listeners for user interaction. */
2630  DatePickerCtrl.prototype.attachInteractionListeners = function() {
2631    var self = this;
2632    var $scope = this.$scope;
2633    var keyCodes = this.$mdConstant.KEY_CODE;
2634
2635    // Add event listener through angular so that we can triggerHandler in unit tests.
2636    self.ngInputElement.on('keydown', function(event) {
2637      if (event.altKey && event.keyCode == keyCodes.DOWN_ARROW) {
2638        self.openCalendarPane(event);
2639        $scope.$digest();
2640      }
2641    });
2642
2643    if (self.openOnFocus) {
2644      self.ngInputElement.on('focus', angular.bind(self, self.openCalendarPane));
2645      angular.element(self.$window).on('blur', self.windowBlurHandler);
2646
2647      $scope.$on('$destroy', function() {
2648        angular.element(self.$window).off('blur', self.windowBlurHandler);
2649      });
2650    }
2651
2652    $scope.$on('md-calendar-close', function() {
2653      self.closeCalendarPane();
2654    });
2655  };
2656
2657  /**
2658   * Capture properties set to the date-picker and imperitively handle internal changes.
2659   * This is done to avoid setting up additional $watches.
2660   */
2661  DatePickerCtrl.prototype.installPropertyInterceptors = function() {
2662    var self = this;
2663
2664    if (this.$attrs.ngDisabled) {
2665      // The expression is to be evaluated against the directive element's scope and not
2666      // the directive's isolate scope.
2667      var scope = this.$scope.$parent;
2668
2669      if (scope) {
2670        scope.$watch(this.$attrs.ngDisabled, function(isDisabled) {
2671          self.setDisabled(isDisabled);
2672        });
2673      }
2674    }
2675
2676    Object.defineProperty(this, 'placeholder', {
2677      get: function() { return self.inputElement.placeholder; },
2678      set: function(value) { self.inputElement.placeholder = value || ''; }
2679    });
2680  };
2681
2682  /**
2683   * Sets whether the date-picker is disabled.
2684   * @param {boolean} isDisabled
2685   */
2686  DatePickerCtrl.prototype.setDisabled = function(isDisabled) {
2687    this.isDisabled = isDisabled;
2688    this.inputElement.disabled = isDisabled;
2689
2690    if (this.calendarButton) {
2691      this.calendarButton.disabled = isDisabled;
2692    }
2693  };
2694
2695  /**
2696   * Sets the custom ngModel.$error flags to be consumed by ngMessages. Flags are:
2697   *   - mindate: whether the selected date is before the minimum date.
2698   *   - maxdate: whether the selected flag is after the maximum date.
2699   *   - filtered: whether the selected date is allowed by the custom filtering function.
2700   *   - valid: whether the entered text input is a valid date
2701   *
2702   * The 'required' flag is handled automatically by ngModel.
2703   *
2704   * @param {Date=} opt_date Date to check. If not given, defaults to the datepicker's model value.
2705   */
2706  DatePickerCtrl.prototype.updateErrorState = function(opt_date) {
2707    var date = opt_date || this.date;
2708
2709    // Clear any existing errors to get rid of anything that's no longer relevant.
2710    this.clearErrorState();
2711
2712    if (this.dateUtil.isValidDate(date)) {
2713      // Force all dates to midnight in order to ignore the time portion.
2714      date = this.dateUtil.createDateAtMidnight(date);
2715
2716      if (this.dateUtil.isValidDate(this.minDate)) {
2717        var minDate = this.dateUtil.createDateAtMidnight(this.minDate);
2718        this.ngModelCtrl.$setValidity('mindate', date >= minDate);
2719      }
2720
2721      if (this.dateUtil.isValidDate(this.maxDate)) {
2722        var maxDate = this.dateUtil.createDateAtMidnight(this.maxDate);
2723        this.ngModelCtrl.$setValidity('maxdate', date <= maxDate);
2724      }
2725
2726      if (angular.isFunction(this.dateFilter)) {
2727        this.ngModelCtrl.$setValidity('filtered', this.dateFilter(date));
2728      }
2729    } else {
2730      // The date is seen as "not a valid date" if there is *something* set
2731      // (i.e.., not null or undefined), but that something isn't a valid date.
2732      this.ngModelCtrl.$setValidity('valid', date == null);
2733    }
2734
2735    angular.element(this.inputContainer).toggleClass(INVALID_CLASS, !this.ngModelCtrl.$valid);
2736  };
2737
2738  /** Clears any error flags set by `updateErrorState`. */
2739  DatePickerCtrl.prototype.clearErrorState = function() {
2740    this.inputContainer.classList.remove(INVALID_CLASS);
2741    ['mindate', 'maxdate', 'filtered', 'valid'].forEach(function(field) {
2742      this.ngModelCtrl.$setValidity(field, true);
2743    }, this);
2744  };
2745
2746  /** Resizes the input element based on the size of its content. */
2747  DatePickerCtrl.prototype.resizeInputElement = function() {
2748    this.inputElement.size = this.inputElement.value.length + EXTRA_INPUT_SIZE;
2749  };
2750
2751  /**
2752   * Sets the model value if the user input is a valid date.
2753   * Adds an invalid class to the input element if not.
2754   */
2755  DatePickerCtrl.prototype.handleInputEvent = function() {
2756    var inputString = this.inputElement.value;
2757    var parsedDate = inputString ? this.locale.parseDate(inputString) : null;
2758    this.dateUtil.setDateTimeToMidnight(parsedDate);
2759
2760    // An input string is valid if it is either empty (representing no date)
2761    // or if it parses to a valid date that the user is allowed to select.
2762    var isValidInput = inputString == '' || (
2763      this.dateUtil.isValidDate(parsedDate) &&
2764      this.locale.isDateComplete(inputString) &&
2765      this.isDateEnabled(parsedDate)
2766    );
2767
2768    // The datepicker's model is only updated when there is a valid input.
2769    if (isValidInput) {
2770      this.setModelValue(parsedDate);
2771      this.date = parsedDate;
2772    }
2773
2774    this.updateErrorState(parsedDate);
2775  };
2776
2777  /**
2778   * Check whether date is in range and enabled
2779   * @param {Date=} opt_date
2780   * @return {boolean} Whether the date is enabled.
2781   */
2782  DatePickerCtrl.prototype.isDateEnabled = function(opt_date) {
2783    return this.dateUtil.isDateWithinRange(opt_date, this.minDate, this.maxDate) &&
2784          (!angular.isFunction(this.dateFilter) || this.dateFilter(opt_date));
2785  };
2786
2787  /** Position and attach the floating calendar to the document. */
2788  DatePickerCtrl.prototype.attachCalendarPane = function() {
2789    var calendarPane = this.calendarPane;
2790    var body = document.body;
2791
2792    calendarPane.style.transform = '';
2793    this.$element.addClass(OPEN_CLASS);
2794    this.mdInputContainer && this.mdInputContainer.element.addClass(OPEN_CLASS);
2795    angular.element(body).addClass('md-datepicker-is-showing');
2796
2797    var elementRect = this.inputContainer.getBoundingClientRect();
2798    var bodyRect = body.getBoundingClientRect();
2799
2800    if (!this.topMargin || this.topMargin < 0) {
2801      this.topMargin = (this.inputMask.parent().prop('clientHeight') - this.ngInputElement.prop('clientHeight')) / 2;
2802    }
2803
2804    // Check to see if the calendar pane would go off the screen. If so, adjust position
2805    // accordingly to keep it within the viewport.
2806    var paneTop = elementRect.top - bodyRect.top - this.topMargin;
2807    var paneLeft = elementRect.left - bodyRect.left - this.leftMargin;
2808
2809    // If ng-material has disabled body scrolling (for example, if a dialog is open),
2810    // then it's possible that the already-scrolled body has a negative top/left. In this case,
2811    // we want to treat the "real" top as (0 - bodyRect.top). In a normal scrolling situation,
2812    // though, the top of the viewport should just be the body's scroll position.
2813    var viewportTop = (bodyRect.top < 0 && document.body.scrollTop == 0) ?
2814        -bodyRect.top :
2815        document.body.scrollTop;
2816
2817    var viewportLeft = (bodyRect.left < 0 && document.body.scrollLeft == 0) ?
2818        -bodyRect.left :
2819        document.body.scrollLeft;
2820
2821    var viewportBottom = viewportTop + this.$window.innerHeight;
2822    var viewportRight = viewportLeft + this.$window.innerWidth;
2823
2824    // Creates an overlay with a hole the same size as element. We remove a pixel or two
2825    // on each end to make it overlap slightly. The overlay's background is added in
2826    // the theme in the form of a box-shadow with a huge spread.
2827    this.inputMask.css({
2828      position: 'absolute',
2829      left: this.leftMargin + 'px',
2830      top: this.topMargin + 'px',
2831      width: (elementRect.width - 1) + 'px',
2832      height: (elementRect.height - 2) + 'px'
2833    });
2834
2835    // If the right edge of the pane would be off the screen and shifting it left by the
2836    // difference would not go past the left edge of the screen. If the calendar pane is too
2837    // big to fit on the screen at all, move it to the left of the screen and scale the entire
2838    // element down to fit.
2839    if (paneLeft + CALENDAR_PANE_WIDTH > viewportRight) {
2840      if (viewportRight - CALENDAR_PANE_WIDTH > 0) {
2841        paneLeft = viewportRight - CALENDAR_PANE_WIDTH;
2842      } else {
2843        paneLeft = viewportLeft;
2844        var scale = this.$window.innerWidth / CALENDAR_PANE_WIDTH;
2845        calendarPane.style.transform = 'scale(' + scale + ')';
2846      }
2847
2848      calendarPane.classList.add('md-datepicker-pos-adjusted');
2849    }
2850
2851    // If the bottom edge of the pane would be off the screen and shifting it up by the
2852    // difference would not go past the top edge of the screen.
2853    if (paneTop + CALENDAR_PANE_HEIGHT > viewportBottom &&
2854        viewportBottom - CALENDAR_PANE_HEIGHT > viewportTop) {
2855      paneTop = viewportBottom - CALENDAR_PANE_HEIGHT;
2856      calendarPane.classList.add('md-datepicker-pos-adjusted');
2857    }
2858
2859    calendarPane.style.left = paneLeft + 'px';
2860    calendarPane.style.top = paneTop + 'px';
2861    document.body.appendChild(calendarPane);
2862
2863    // Add CSS class after one frame to trigger open animation.
2864    this.$$rAF(function() {
2865      calendarPane.classList.add('md-pane-open');
2866    });
2867  };
2868
2869  /** Detach the floating calendar pane from the document. */
2870  DatePickerCtrl.prototype.detachCalendarPane = function() {
2871    this.$element.removeClass(OPEN_CLASS);
2872    this.mdInputContainer && this.mdInputContainer.element.removeClass(OPEN_CLASS);
2873    angular.element(document.body).removeClass('md-datepicker-is-showing');
2874    this.calendarPane.classList.remove('md-pane-open');
2875    this.calendarPane.classList.remove('md-datepicker-pos-adjusted');
2876
2877    if (this.isCalendarOpen) {
2878      this.$mdUtil.enableScrolling();
2879    }
2880
2881    if (this.calendarPane.parentNode) {
2882      // Use native DOM removal because we do not want any of the
2883      // angular state of this element to be disposed.
2884      this.calendarPane.parentNode.removeChild(this.calendarPane);
2885    }
2886  };
2887
2888  /**
2889   * Open the floating calendar pane.
2890   * @param {Event} event
2891   */
2892  DatePickerCtrl.prototype.openCalendarPane = function(event) {
2893    if (!this.isCalendarOpen && !this.isDisabled && !this.inputFocusedOnWindowBlur) {
2894      this.isCalendarOpen = this.isOpen = true;
2895      this.calendarPaneOpenedFrom = event.target;
2896
2897      // Because the calendar pane is attached directly to the body, it is possible that the
2898      // rest of the component (input, etc) is in a different scrolling container, such as
2899      // an md-content. This means that, if the container is scrolled, the pane would remain
2900      // stationary. To remedy this, we disable scrolling while the calendar pane is open, which
2901      // also matches the native behavior for things like `<select>` on Mac and Windows.
2902      this.$mdUtil.disableScrollAround(this.calendarPane);
2903
2904      this.attachCalendarPane();
2905      this.focusCalendar();
2906      this.evalAttr('ngFocus');
2907
2908      // Attach click listener inside of a timeout because, if this open call was triggered by a
2909      // click, we don't want it to be immediately propogated up to the body and handled.
2910      var self = this;
2911      this.$mdUtil.nextTick(function() {
2912        // Use 'touchstart` in addition to click in order to work on iOS Safari, where click
2913        // events aren't propogated under most circumstances.
2914        // See http://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
2915        self.documentElement.on('click touchstart', self.bodyClickHandler);
2916      }, false);
2917
2918      window.addEventListener(this.windowEventName, this.windowEventHandler);
2919    }
2920  };
2921
2922  /** Close the floating calendar pane. */
2923  DatePickerCtrl.prototype.closeCalendarPane = function() {
2924    if (this.isCalendarOpen) {
2925      var self = this;
2926
2927      self.detachCalendarPane();
2928      self.ngModelCtrl.$setTouched();
2929      self.evalAttr('ngBlur');
2930
2931      self.documentElement.off('click touchstart', self.bodyClickHandler);
2932      window.removeEventListener(self.windowEventName, self.windowEventHandler);
2933
2934      self.calendarPaneOpenedFrom.focus();
2935      self.calendarPaneOpenedFrom = null;
2936
2937      if (self.openOnFocus) {
2938        // Ensures that all focus events have fired before resetting
2939        // the calendar. Prevents the calendar from reopening immediately
2940        // in IE when md-open-on-focus is set. Also it needs to trigger
2941        // a digest, in order to prevent issues where the calendar wasn't
2942        // showing up on the next open.
2943        self.$mdUtil.nextTick(reset);
2944      } else {
2945        reset();
2946      }
2947    }
2948
2949    function reset(){
2950      self.isCalendarOpen = self.isOpen = false;
2951    }
2952  };
2953
2954  /** Gets the controller instance for the calendar in the floating pane. */
2955  DatePickerCtrl.prototype.getCalendarCtrl = function() {
2956    return angular.element(this.calendarPane.querySelector('md-calendar')).controller('mdCalendar');
2957  };
2958
2959  /** Focus the calendar in the floating pane. */
2960  DatePickerCtrl.prototype.focusCalendar = function() {
2961    // Use a timeout in order to allow the calendar to be rendered, as it is gated behind an ng-if.
2962    var self = this;
2963    this.$mdUtil.nextTick(function() {
2964      self.getCalendarCtrl().focus();
2965    }, false);
2966  };
2967
2968  /**
2969   * Sets whether the input is currently focused.
2970   * @param {boolean} isFocused
2971   */
2972  DatePickerCtrl.prototype.setFocused = function(isFocused) {
2973    if (!isFocused) {
2974      this.ngModelCtrl.$setTouched();
2975    }
2976
2977    // The ng* expressions shouldn't be evaluated when mdOpenOnFocus is on,
2978    // because they also get called when the calendar is opened/closed.
2979    if (!this.openOnFocus) {
2980      this.evalAttr(isFocused ? 'ngFocus' : 'ngBlur');
2981    }
2982
2983    this.isFocused = isFocused;
2984  };
2985
2986  /**
2987   * Handles a click on the document body when the floating calendar pane is open.
2988   * Closes the floating calendar pane if the click is not inside of it.
2989   * @param {MouseEvent} event
2990   */
2991  DatePickerCtrl.prototype.handleBodyClick = function(event) {
2992    if (this.isCalendarOpen) {
2993      var isInCalendar = this.$mdUtil.getClosest(event.target, 'md-calendar');
2994
2995      if (!isInCalendar) {
2996        this.closeCalendarPane();
2997      }
2998
2999      this.$scope.$digest();
3000    }
3001  };
3002
3003  /**
3004   * Handles the event when the user navigates away from the current tab. Keeps track of
3005   * whether the input was focused when the event happened, in order to prevent the calendar
3006   * from re-opening.
3007   */
3008  DatePickerCtrl.prototype.handleWindowBlur = function() {
3009    this.inputFocusedOnWindowBlur = document.activeElement === this.inputElement;
3010  };
3011
3012  /**
3013   * Evaluates an attribute expression against the parent scope.
3014   * @param {String} attr Name of the attribute to be evaluated.
3015   */
3016  DatePickerCtrl.prototype.evalAttr = function(attr) {
3017    if (this.$attrs[attr]) {
3018      this.$scope.$parent.$eval(this.$attrs[attr]);
3019    }
3020  };
3021
3022  /**
3023   * Sets the ng-model value by first converting the date object into a strng. Converting it
3024   * is necessary, in order to pass Angular's `input[type="date"]` validations. Angular turns
3025   * the value into a Date object afterwards, before setting it on the model.
3026   * @param {Date=} value Date to be set as the model value.
3027   */
3028  DatePickerCtrl.prototype.setModelValue = function(value) {
3029    var timezone = this.$mdUtil.getModelOption(this.ngModelCtrl, 'timezone');
3030    this.ngModelCtrl.$setViewValue(this.ngDateFilter(value, 'yyyy-MM-dd', timezone));
3031  };
3032
3033  /**
3034   * Updates the datepicker when a model change occurred externally.
3035   * @param {Date=} value Value that was set to the model.
3036   */
3037  DatePickerCtrl.prototype.onExternalChange = function(value) {
3038    var timezone = this.$mdUtil.getModelOption(this.ngModelCtrl, 'timezone');
3039
3040    this.date = value;
3041    this.inputElement.value = this.locale.formatDate(value, timezone);
3042    this.mdInputContainer && this.mdInputContainer.setHasValue(!!value);
3043    this.resizeInputElement();
3044    this.updateErrorState();
3045  };
3046})();
3047
3048})(window, window.angular);