feat(datepicker): add semantic classes

- Add semantic classes to template to assist in styling

Closes #4761

template/datepicker/datepicker.html

@@ -1,4 +1,4 @@
-<div ng-switch="datepickerMode" role="application" ng-keydown="keydown($event)">
+<div class="uib-datepicker" ng-switch="datepickerMode" role="application" ng-keydown="keydown($event)">
   <uib-daypicker ng-switch-when="day" tabindex="0"></uib-daypicker>
   <uib-monthpicker ng-switch-when="month" tabindex="0"></uib-monthpicker>
   <uib-yearpicker ng-switch-when="year" tabindex="0"></uib-yearpicker>

template/datepicker/day.html

@@ -1,19 +1,19 @@
-<table role="grid" aria-labelledby="{{::uniqueId}}-title" aria-activedescendant="{{activeDateId}}">
+<table class="uib-daypicker" role="grid" aria-labelledby="{{::uniqueId}}-title" aria-activedescendant="{{activeDateId}}">
   <thead>
     <tr>
-      <th><button type="button" class="btn btn-default btn-sm pull-left" ng-click="move(-1)" tabindex="-1"><i class="glyphicon glyphicon-chevron-left"></i></button></th>
-      <th colspan="{{::5 + showWeeks}}"><button id="{{::uniqueId}}-title" role="heading" aria-live="assertive" aria-atomic="true" type="button" class="btn btn-default btn-sm" ng-click="toggleMode()" ng-disabled="datepickerMode === maxMode" tabindex="-1" style="width:100%;"><strong>{{title}}</strong></button></th>
-      <th><button type="button" class="btn btn-default btn-sm pull-right" ng-click="move(1)" tabindex="-1"><i class="glyphicon glyphicon-chevron-right"></i></button></th>
+      <th><button type="button" class="btn btn-default btn-sm pull-left uib-left" ng-click="move(-1)" tabindex="-1"><i class="glyphicon glyphicon-chevron-left"></i></button></th>
+      <th colspan="{{::5 + showWeeks}}"><button id="{{::uniqueId}}-title" role="heading" aria-live="assertive" aria-atomic="true" type="button" class="btn btn-default btn-sm uib-title" ng-click="toggleMode()" ng-disabled="datepickerMode === maxMode" tabindex="-1" style="width:100%;"><strong>{{title}}</strong></button></th>
+      <th><button type="button" class="btn btn-default btn-sm pull-right uib-right" ng-click="move(1)" tabindex="-1"><i class="glyphicon glyphicon-chevron-right"></i></button></th>
     </tr>
     <tr>
       <th ng-if="showWeeks" class="text-center"></th>
       <th ng-repeat="label in ::labels track by $index" class="text-center"><small aria-label="{{::label.full}}">{{::label.abbr}}</small></th>
     </tr>
   </thead>
   <tbody>
-    <tr ng-repeat="row in rows track by $index">
+    <tr class="uib-weeks" ng-repeat="row in rows track by $index">
       <td ng-if="showWeeks" class="text-center h6"><em>{{ weekNumbers[$index] }}</em></td>
-      <td ng-repeat="dt in row track by dt.date" class="text-center" role="gridcell" id="{{::dt.uid}}" ng-class="::dt.customClass">
+      <td ng-repeat="dt in row track by dt.date" class="uib-day text-center" role="gridcell" id="{{::dt.uid}}" ng-class="::dt.customClass">
         <button type="button" style="min-width:100%;" class="btn btn-default btn-sm" ng-class="{'btn-info': dt.selected, active: isActive(dt)}" ng-click="select(dt.date)" ng-disabled="dt.disabled" tabindex="-1"><span ng-class="::{'text-muted': dt.secondary, 'text-info': dt.current}">{{::dt.label}}</span></button>
       </td>
     </tr>

template/datepicker/month.html

@@ -1,14 +1,14 @@
-<table role="grid" aria-labelledby="{{::uniqueId}}-title" aria-activedescendant="{{activeDateId}}">
+<table class="uib-monthpicker" role="grid" aria-labelledby="{{::uniqueId}}-title" aria-activedescendant="{{activeDateId}}">
   <thead>
     <tr>
-      <th><button type="button" class="btn btn-default btn-sm pull-left" ng-click="move(-1)" tabindex="-1"><i class="glyphicon glyphicon-chevron-left"></i></button></th>
-      <th><button id="{{::uniqueId}}-title" role="heading" aria-live="assertive" aria-atomic="true" type="button" class="btn btn-default btn-sm" ng-click="toggleMode()" ng-disabled="datepickerMode === maxMode" tabindex="-1" style="width:100%;"><strong>{{title}}</strong></button></th>
-      <th><button type="button" class="btn btn-default btn-sm pull-right" ng-click="move(1)" tabindex="-1"><i class="glyphicon glyphicon-chevron-right"></i></button></th>
+      <th><button type="button" class="btn btn-default btn-sm pull-left uib-left" ng-click="move(-1)" tabindex="-1"><i class="glyphicon glyphicon-chevron-left"></i></button></th>
+      <th><button id="{{::uniqueId}}-title" role="heading" aria-live="assertive" aria-atomic="true" type="button" class="btn btn-default btn-sm uib-title" ng-click="toggleMode()" ng-disabled="datepickerMode === maxMode" tabindex="-1" style="width:100%;"><strong>{{title}}</strong></button></th>
+      <th><button type="button" class="btn btn-default btn-sm pull-right uib-right" ng-click="move(1)" tabindex="-1"><i class="glyphicon glyphicon-chevron-right"></i></button></th>
     </tr>
   </thead>
   <tbody>
-    <tr ng-repeat="row in rows track by $index">
-      <td ng-repeat="dt in row track by dt.date" class="text-center" role="gridcell" id="{{::dt.uid}}" ng-class="::dt.customClass">
+    <tr class="uib-months" ng-repeat="row in rows track by $index">
+      <td ng-repeat="dt in row track by dt.date" class="uib-month text-center" role="gridcell" id="{{::dt.uid}}" ng-class="::dt.customClass">
         <button type="button" style="min-width:100%;" class="btn btn-default" ng-class="{'btn-info': dt.selected, active: isActive(dt)}" ng-click="select(dt.date)" ng-disabled="dt.disabled" tabindex="-1"><span ng-class="::{'text-info': dt.current}">{{::dt.label}}</span></button>
       </td>
     </tr>

template/datepicker/popup.html

@@ -1,10 +1,10 @@
-<ul class="dropdown-menu" dropdown-nested ng-if="isOpen" style="display: block" ng-style="{top: position.top+'px', left: position.left+'px'}" ng-keydown="keydown($event)" ng-click="$event.stopPropagation()">
+<ul class="uib-datepicker-popup dropdown-menu" dropdown-nested ng-if="isOpen" style="display: block" ng-style="{top: position.top+'px', left: position.left+'px'}" ng-keydown="keydown($event)" ng-click="$event.stopPropagation()">
 	<li ng-transclude></li>
-	<li ng-if="showButtonBar" style="padding:10px 9px 2px">
+	<li ng-if="showButtonBar" style="padding:10px 9px 2px" class="uib-button-bar">
 		<span class="btn-group pull-left">
-			<button type="button" class="btn btn-sm btn-info" ng-click="select('today')" ng-disabled="isDisabled('today')">{{ getText('current') }}</button>
-			<button type="button" class="btn btn-sm btn-danger" ng-click="select(null)">{{ getText('clear') }}</button>
+			<button type="button" class="btn btn-sm btn-info uib-datepicker-current" ng-click="select('today')" ng-disabled="isDisabled('today')">{{ getText('current') }}</button>
+			<button type="button" class="btn btn-sm btn-danger uib-clear" ng-click="select(null)">{{ getText('clear') }}</button>
 		</span>
-		<button type="button" class="btn btn-sm btn-success pull-right" ng-click="close()">{{ getText('close') }}</button>
+		<button type="button" class="btn btn-sm btn-success pull-right uib-close" ng-click="close()">{{ getText('close') }}</button>
 	</li>
 </ul>

template/datepicker/year.html

@@ -1,14 +1,14 @@
-<table role="grid" aria-labelledby="{{::uniqueId}}-title" aria-activedescendant="{{activeDateId}}">
+<table class="uib-yearpicker" role="grid" aria-labelledby="{{::uniqueId}}-title" aria-activedescendant="{{activeDateId}}">
   <thead>
     <tr>
-      <th><button type="button" class="btn btn-default btn-sm pull-left" ng-click="move(-1)" tabindex="-1"><i class="glyphicon glyphicon-chevron-left"></i></button></th>
-      <th colspan="3"><button id="{{::uniqueId}}-title" role="heading" aria-live="assertive" aria-atomic="true" type="button" class="btn btn-default btn-sm" ng-click="toggleMode()" ng-disabled="datepickerMode === maxMode" tabindex="-1" style="width:100%;"><strong>{{title}}</strong></button></th>
-      <th><button type="button" class="btn btn-default btn-sm pull-right" ng-click="move(1)" tabindex="-1"><i class="glyphicon glyphicon-chevron-right"></i></button></th>
+      <th><button type="button" class="btn btn-default btn-sm pull-left uib-left" ng-click="move(-1)" tabindex="-1"><i class="glyphicon glyphicon-chevron-left"></i></button></th>
+      <th colspan="3"><button id="{{::uniqueId}}-title" role="heading" aria-live="assertive" aria-atomic="true" type="button" class="btn btn-default btn-sm uib-title" ng-click="toggleMode()" ng-disabled="datepickerMode === maxMode" tabindex="-1" style="width:100%;"><strong>{{title}}</strong></button></th>
+      <th><button type="button" class="btn btn-default btn-sm pull-right uib-right" ng-click="move(1)" tabindex="-1"><i class="glyphicon glyphicon-chevron-right"></i></button></th>
     </tr>
   </thead>
   <tbody>
-    <tr ng-repeat="row in rows track by $index">
-      <td ng-repeat="dt in row track by dt.date" class="text-center" role="gridcell" id="{{::dt.uid}}" ng-class="::dt.customClass">
+    <tr class="uib-years" ng-repeat="row in rows track by $index">
+      <td ng-repeat="dt in row track by dt.date" class="uib-year text-center" role="gridcell" id="{{::dt.uid}}" ng-class="::dt.customClass">
         <button type="button" style="min-width:100%;" class="btn btn-default" ng-class="{'btn-info': dt.selected, active: isActive(dt)}" ng-click="select(dt.date)" ng-disabled="dt.disabled" tabindex="-1"><span ng-class="::{'text-info': dt.current}">{{::dt.label}}</span></button>
       </td>
     </tr>