Add allowClear attribute to the input directives

Author: g1eb

src/date-input.html

@@ -33,7 +33,7 @@
         </div>
       </div>
     </div>
-    <div class="clear-button" ng-if="!!date">
+    <div class="clear-button" ng-if="!!date && allowClear">
       <div ng-click="update()" ng-bind="clearText || 'Clear'"></div>
     </div>
     <div class="close-button">

src/date-input.js

@@ -13,6 +13,7 @@ directive('dateInput', ['$document', '$timeout', function ($document, $timeout)
       dateFormat: '=?',
       minDate:'=?',
       maxDate:'=?',
+      allowClear:'=?',
       onChange: '&',
       onClose: '&?',
       placeholder: '@',

src/datetime-input.html

@@ -61,7 +61,7 @@
         <div class="arrow arrow-down" ng-click="update(selected.clone().subtract(secondStep || 1, 'seconds'))"></div>
       </div>
     </div>
-    <div class="clear-button" ng-if="!!datetime">
+    <div class="clear-button" ng-if="!!datetime && allowClear">
       <div ng-click="update()" ng-bind="clearText || 'Clear'"></div>
     </div>
     <div class="close-button">

src/datetime-input.js

@@ -17,6 +17,7 @@ directive('datetimeInput', ['$document', '$timeout', function ($document, $timeo
       hourStep:'=?',
       minuteStep:'=?',
       secondStep:'=?',
+      allowClear:'=?',
       onChange: '&',
       onClose: '&?',
       placeholder: '@',

src/time-input.html

@@ -32,7 +32,7 @@
         <div class="arrow arrow-down" ng-click="update(selected.clone().subtract(secondStep || 1, 'seconds'))"></div>
       </div>
     </div>
-    <div class="clear-button" ng-if="!!time">
+    <div class="clear-button" ng-if="!!time && allowClear">
       <div ng-click="update()" ng-bind="clearText || 'Clear'"></div>
     </div>
     <div class="close-button">

src/time-input.js

@@ -16,6 +16,7 @@ directive('timeInput', ['$document', '$timeout', function ($document, $timeout)
       hourStep : '=?',
       minuteStep : '=?',
       secondStep : '=?',
+      allowClear:'=?',
       onChange: '&',
       onClose: '&?',
       placeholder: '@',