Add translate tags to "cards" (#818)

* Add translate tags to "cards"

affected cards:
 - camera card
 - persistent notification
 - weather

* Add translate tags to "cards"

code style

* Add translate tags to "cards"

changes from code review

src/cards/ha-camera-card.html

@@ -44,7 +44,7 @@
     <div class='caption'>
       [[computeStateName(stateObj)]]
       <template is='dom-if' if='[[!imageLoaded]]'>
-        (Image not available)
+        ([[localize('ui.card.camera.not_available')]])
       </template>
     </div>
   </template>
@@ -54,7 +54,8 @@
 {
   const UPDATE_INTERVAL = 10000; // ms
 
-  class HaCameraCard extends window.hassMixins.EventsMixin(Polymer.Element) {
+  class HaCameraCard extends
+    window.hassMixins.LocalizeMixin(window.hassMixins.EventsMixin(Polymer.Element)) {
     static get is() { return 'ha-camera-card'; }
     static get properties() {
       return {

src/cards/ha-persistent_notification-card.html

@@ -4,6 +4,8 @@
 <link rel='import' href='../components/ha-card.html'>
 <link rel='import' href='../components/ha-markdown.html'>
 
+<link rel='import' href='../util/hass-mixins.html'>
+
 <dom-module id='ha-persistent_notification-card'>
   <template>
     <style>
@@ -37,13 +39,13 @@
 
     <ha-card header='[[computeTitle(stateObj)]]'>
       <ha-markdown content='[[stateObj.attributes.message]]'></ha-markdown>
-      <paper-button on-tap='dismissTap'>DISMISS</paper-button>
+      <paper-button on-tap='dismissTap'>[[localize('ui.card.persistent_notification.dismiss')]]</paper-button>
     </ha-card>
   </template>
 </dom-module>
 
 <script>
-class HaPersistentNotificationCard extends Polymer.Element {
+class HaPersistentNotificationCard extends window.hassMixins.LocalizeMixin(Polymer.Element) {
   static get is() { return 'ha-persistent_notification-card'; }
   static get properties() {
     return {

src/cards/ha-weather-card.html

@@ -2,6 +2,9 @@
 <link rel='import' href='../../bower_components/iron-flex-layout/iron-flex-layout-classes.html'>
 <link rel='import' href='../../bower_components/google-apis/google-legacy-loader.html'>
 <link rel='import' href='../components/ha-card.html'>
+
+<link rel='import' href='../util/hass-mixins.html'>
+
 <dom-module id='ha-weather-card'>
   <template>
     <style>
@@ -48,17 +51,17 @@
           <div class='cond condtemp'>[[attr.temperature]]°</div>
           <div class='cond conddetails'>
             <div class="condsmall" hidden$="[[!attr.wind_speed]]">
-              Wind:
+              [[localize('attribute.weather.wind_speed')]]:
               <span hidden$="[[!attr.wind_speed]]">
                 [[attr.wind_speed]]
               </span>
               <span hidden$="[[!windBearing]]">[[windBearing]]</span>
             </div>
             <div class="condsmall" hidden$="[[!attr.humidity]]">
-              Humidity: [[attr.humidity]]%
+              [[localize('attribute.weather.humidity')]]: [[attr.humidity]]%
             </div>
             <div class="condsmall" hidden$="[[!attr.visibility]]">
-              Visibility: [[attr.visibility]]
+              [[localize('attribute.weather.visibility')]]: [[attr.visibility]]
             </div>
           </div>
           <div class='clear'></div>
@@ -93,7 +96,7 @@
     'S', 'SSW', 'SW', 'WSW', 'W', 'WNW', 'NW', 'NNW', 'N'
   ];
 
-  class HaWeatherCard extends Polymer.Element {
+  class HaWeatherCard extends window.hassMixins.LocalizeMixin(Polymer.Element) {
     static get is() { return 'ha-weather-card'; }
     static get properties() {
       return {

src/translations/en.json

@@ -1,4 +1,11 @@
 {
+  "attribute": {
+    "weather": {
+      "humidity": "Humidity",
+      "visibility": "Visibility",
+      "wind_speed": "Wind speed"
+    }
+  },
   "domain": {
     "alarm_control_panel": "Alarm control panel",
     "automation": "Automation",
@@ -294,6 +301,14 @@
     }
   },
   "ui": {
+    "card": {
+      "camera": {
+        "not_available": "Image not available"
+      },
+      "persistent_notification": {
+        "dismiss": "Dismiss"
+      }
+    },
     "common": {
       "loading": "Loading",
       "cancel": "Cancel"