Merge pull request #462 from madawas/IOTS-322

IOTS-322: Infroming users when device types are not installed

components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.policy.create/create.hbs

@@ -283,9 +283,14 @@
                                 <div id="policy-platform-main-error-msg" class="alert alert-danger hidden" role="alert">
                                     <i class="icon fw fw-error"></i><span></span>
                                 </div>
+                                {{#unless types}}
+                                <h3><i class="icon fw fw-warning"></i> No compatible device types have been installed.
+                                    Install device types to add policies.</h3>
+                                {{/unless}}
                                 <div class="row wr-tile-buttons-list">
                                     <div class="wr-input-control">
                                         <ul class="tile-buttons row">
+                                            {{#if types}}
                                                 {{#each types}}
                                                     <li class="col-xs-12 col-sm-12 col-md-4 col-lg-4"
                                                         style="margin-top: 5px; margin-bottom: 5px;">
@@ -300,6 +305,7 @@
                                                         </a>
                                                     </li>
                                                 {{/each}}
+                                            {{/if}}
                                         </ul>
                                     </div>
                                 </div>