feat(calendar): improve datepicker css

src/components/calendar/calendar.js

@@ -44,18 +44,18 @@
   function calendarDirective() {
     return {
       template:
-          '<div class="md-calendar-month-floating-label"></div>' +
           '<table class="md-calendar-day-header"><thead></thead></table>' +
           '<div class="md-calendar-scroll-mask">' +
             '<md-virtual-repeat-container class="md-calendar-scroller">' +
               '<table class="md-calendar">' +
                 '<tbody md-virtual-repeat="i in ctrl.items" md-calendar-month ' +
                     'md-month-offset="$index" class="md-calendar-month" aria-hidden="true" ' +
+                    'md-start-index="1000" ' +
                     'md-item-size="' + TBODY_HEIGHT + '"></tbody>' +
               '</table>' +
             '</md-virtual-repeat-container>' +
           '</div>' +
-          '<div aria-live="polite" class="md-visually-hidden"></div>',
+          '<div aria-live="assertive" aria-atomic="true" class="md-visually-hidden"></div>',
       scope: {},
       restrict: 'E',
       require: ['ngModel', 'mdCalendar'],
@@ -186,7 +186,7 @@
 
     // Do a one-time scroll to the selected date once the months have done their initial render.
     var off = $scope.$on('md-calendar-month-initial-render', function() {
-      self.scrollToMonth(self.selectedDate);
+      //self.scrollToMonth(self.selectedDate);
       off();
     });
 

src/components/calendar/datePicker-theme.scss

@@ -1,4 +1,4 @@
-.md-date-picker-root.md-THEME_NAME-theme {
+.md-datepicker-root.md-THEME_NAME-theme {
   background: white;
   &[disabled] {
     background: '{{background-100}}';

src/components/calendar/datePicker.js

@@ -23,9 +23,9 @@
   function datePickerDirective() {
     return {
       template:
-          '<md-button class="md-date-picker-button md-icon-button" type="button" ' +
+          '<md-button class="md-datepicker-button md-icon-button" type="button" ' +
               'ng-click="ctrl.openCalendarPane()">' +
-              '<md-icon md-svg-icon="md-calendar"></md-icon>' +
+              '<md-icon class="md-datepicker-calendar-icon" md-svg-icon="md-calendar"></md-icon>' +
           '</md-button>' +
           '<div class="md-datepicker-input-container">' +
             '<input class="md-datepicker-input">' +
@@ -38,13 +38,13 @@
 
           // This pane (and its shadow) will be detached from here and re-attached to the
           // document body.
-          '<div class="md-date-calendar-pane">' +
+          '<div class="md-datepicker-calendar-pane">' +
             '<md-calendar ng-model="ctrl.date" ng-if="ctrl.isCalendarOpen"></md-calendar>' +
           '</div>' +
 
           // We have a separate shadow element in order to wrap both the floating pane and the
           // inline input / trigger as one shadowed whole.
-          '<div class="md-date-calendar-pane-shadow md-whiteframe-z1"></div>',
+          '<div class="md-datepicker-calendar-pane-shadow md-whiteframe-z1"></div>',
       require: ['ngModel', 'mdDatePicker'],
       scope: {
         placeholder: '@mdPlaceholder'
@@ -99,13 +99,13 @@
     this.inputContainer = $element[0].querySelector('.md-datepicker-input-container');
 
     /** @type {HTMLElement} Floating calendar pane. */
-    this.calendarPane = $element[0].querySelector('.md-date-calendar-pane');
+    this.calendarPane = $element[0].querySelector('.md-datepicker-calendar-pane');
 
     /** @type {HTMLElement} Shadow for floating calendar pane and input trigger. */
-    this.calendarShadow = $element[0].querySelector('.md-date-calendar-pane-shadow');
+    this.calendarShadow = $element[0].querySelector('.md-datepicker-calendar-pane-shadow');
 
     /** @type {HTMLElement} Calendar icon button. */
-    this.calendarButton = $element[0].querySelector('.md-date-picker-button');
+    this.calendarButton = $element[0].querySelector('.md-datepicker-button');
 
     /** @final {!angular.JQLite} */
     this.$element = $element;
@@ -123,6 +123,8 @@
     /** @type {boolean} Whether the date-picker's calendar pane is open. */
     this.isCalendarOpen = false;
 
+    this.calendarPane.id = 'md-date-pane' + $mdUtil.nextUid();
+
     /** Pre-bound click handler is saved so that the event listener can be removed. */
     this.bodyClickHandler = this.handleBodyClick.bind(this);
 
@@ -232,12 +234,12 @@
   DatePickerCtrl.prototype.setDisabled = function(isDisabled) {
     this.isDisabled = isDisabled;
     this.inputElement.disabled = isDisabled;
+    this.calendarButton.disabled = isDisabled;
   };
 
   /** Position and attach the floating calendar to the document. */
   DatePickerCtrl.prototype.attachCalendarPane = function() {
-    this.inputContainer.classList.add('md-open');
-    this.calendarButton.classList.add('md-open');
+    this.$element.addClass('md-datepicker-open');
 
     var elementRect = this.inputContainer.getBoundingClientRect();
     var bodyRect = document.body.getBoundingClientRect();
@@ -249,7 +251,7 @@
     // Add shadow to the calendar pane only after the UI thread has reached idle, allowing the
     // content of the calender pane to be rendered.
     this.$timeout(function() {
-      this.calendarShadow.style.top = (elementRect.top + window.pageYOffset) + 'px';
+      this.calendarShadow.style.top = (elementRect.top - bodyRect.top) + 'px';
       this.calendarShadow.style.left = this.calendarPane.style.left;
       this.calendarShadow.style.height =
           (this.calendarPane.getBoundingClientRect().bottom - elementRect.top) + 'px';
@@ -259,8 +261,7 @@
 
   /** Detach the floating calendar pane from the document. */
   DatePickerCtrl.prototype.detachCalendarPane = function() {
-    this.inputContainer.classList.remove('md-open');
-    this.calendarButton.classList.remove('md-open');
+    this.$element.removeClass('md-datepicker-open');
 
     // Use native DOM removal because we do not want any of the angular state of this element
     // to be disposed.

src/components/calendar/datePicker.scss

@@ -1,9 +1,10 @@
-$md-datepicker-button-size: 48px;
+// Space between the text input and the calendar-icon button.
 $md-datepicker-button-gap: 12px;
 
 
 // Mixin for a "flat" input that can be used for components that contain an input
 // (datepicker, autocomplete).
+// TODO(jelbourn): actually use this w/ autocomplete.
 @mixin md-flat-input() {
   font-size: 14px;
 
@@ -20,21 +21,16 @@ $md-datepicker-button-gap: 12px;
 
 // The calendar icon button used to open the calendar pane.
 // Need absurd specificty to override md-button.md-icon-button.
-.md-date-picker-button {
+.md-datepicker-button {
   display: inline-block;
   box-sizing: border-box;
   background: none;
-
-  &.md-open {
-    fill: lightblue;
-  }
 }
 
 // The input into which the user can type the date.
 .md-datepicker-input {
   @include md-flat-input();
   width: 100%;
-  line-height: 21px;
 }
 
 // Container for the datepicker input.
@@ -46,28 +42,11 @@ $md-datepicker-button-gap: 12px;
   border-bottom: 1px solid #e0e0e0;
   width: 120px;
   margin-left: $md-datepicker-button-gap;
-
-  &.md-open {
-    border: 1px solid #e0e0e0;
-    border-bottom: none;
-    min-width: $md-calendar-width;
-    margin-left: -$md-datepicker-button-gap;
-
-    .md-datepicker-input {
-      margin-left: 24px;
-      //line-height: 40px;
-      height: 40px;
-    }
-
-    .md-datepicker-expand-triangle {
-      display: none;
-    }
-  }
 }
 
 
 // Floating pane that contains the calendar at the bottom of the input.
-.md-date-calendar-pane {
+.md-datepicker-calendar-pane {
   position: absolute;
   top: 0;
   left: 0;
@@ -79,13 +58,32 @@ $md-datepicker-button-gap: 12px;
 }
 
 // Shadow that wraps around both the floating calendar pane and the in-line input.
-.md-date-calendar-pane-shadow {
+.md-datepicker-calendar-pane-shadow {
   position: absolute;
   z-index: $z-index-datepicker-shadow;
   width: $md-calendar-width;
 }
 
+// Down "disclosure" triangle/arrow indicating that the datepicker can be opened.
+// We can do this entirely with CSS without needing to load an icon.
+// See https://css-tricks.com/snippets/css/css-triangle/
+$md-date-arrow-size: 6px;
+.md-datepicker-expand-triangle {
+  // Center the triangle inside of the button so that the
+  // ink ripple origin looks correct.
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+
+  width: 0;
+  height: 0;
+  border-left: $md-date-arrow-size solid transparent;
+  border-right: $md-date-arrow-size solid transparent;
+  border-top: $md-date-arrow-size solid rgba(black, 0.20);
+}
 
+// Button containing the down "disclosure" triangle/arrow.
 .md-datepicker-triangle-button {
   position: absolute;
   right: 0;
@@ -97,23 +95,32 @@ $md-datepicker-button-gap: 12px;
   }
 }
 
-// Need crazy specificity to override .md-button.md-icon-button
+// Need crazy specificity to override .md-button.md-icon-button.
+// Only apply this high specifiy to the property we need to override.
 .md-datepicker-triangle-button.md-button.md-icon-button {
   height: 100%;
 }
 
-$md-date-arrow-size: 6px;
-.md-datepicker-expand-triangle {
-  // Center the triangle inside of the button so that the
-  // ink ripple origin looks correct.
-  position: absolute;
-  top: 50%;
-  left: 50%;
-  transform: translate(-50%, -50%);
 
-  width: 0;
-  height: 0;
-  border-left: $md-date-arrow-size solid transparent;
-  border-right: $md-date-arrow-size solid transparent;
-  border-top: $md-date-arrow-size solid rgba(black, 0.20);
+// Open state for all of the elements of the picker.
+.md-datepicker-open {
+  .md-datepicker-input-container {
+    border: 1px solid #e0e0e0;
+    border-bottom: none;
+    min-width: $md-calendar-width;
+    margin-left: -$md-datepicker-button-gap;
+  }
+
+  .md-datepicker-input {
+    margin-left: 24px;
+    height: 40px;
+  }
+
+  .md-datepicker-expand-triangle {
+    display: none;
+  }
+
+  .md-datepicker-calendar-icon {
+    fill: #2196f3;
+  }
 }