initialize path and context component members to avoid null exception

static/js/directives/ui/context-path-select/context-path-select.component.ts

@@ -11,7 +11,7 @@ import { Input, Component, OnChanges, SimpleChanges } from 'ng-metadata/core';
 export class ContextPathSelectComponent implements OnChanges {
 
   // FIXME: Use one-way data binding
-  @Input('=') public currentContext: string;
+  @Input('=') public currentContext: string = '';
   @Input('=') public isValidContext: boolean;
   @Input('=') public contexts: string[];
   private isUnknownContext: boolean = true;

static/js/directives/ui/dockerfile-path-select/dockerfile-path-select.component.html

@@ -1,5 +1,6 @@
 <div class="dockerfile-path-select-element">
-  <div class="dropdown-select" placeholder="'Enter path containing a Dockerfile'"
+  <div class="dropdown-select"
+       placeholder="'Enter path containing a Dockerfile'"
        selected-item="$ctrl.selectedPath"
        lookahead-items="$ctrl.paths"
        handle-input="$ctrl.setPath(input)"

static/js/directives/ui/dockerfile-path-select/dockerfile-path-select.component.ts

@@ -11,7 +11,7 @@ import { Input, Component, OnChanges, SimpleChanges } from 'ng-metadata/core';
 export class DockerfilePathSelectComponent implements OnChanges {
 
   // FIXME: Use one-way data binding
-  @Input('=') public currentPath: string;
+  @Input('=') public currentPath: string = '';
   @Input('=') public isValidPath: boolean;
   @Input('=') public paths: string[];
   @Input('=') public supportsFullListing: boolean;

static/js/directives/ui/manage-trigger-githost/manage-trigger-githost.component.html

@@ -1,6 +1,5 @@
 <div class="manage-trigger-githost-element manage-trigger-control">
-  <linear-workflow
+  <linear-workflow done-title="Create Trigger"
-    done-title="Create Trigger"
                    (on-workflow-complete)="$ctrl.createTrigger($event)">
 
     <!-- Section: Namespace -->
@@ -202,7 +201,10 @@
         </div>
         <div class="radio">
           <label>
-            <input type="radio" name="optionRadio" ng-model="$ctrl.local.triggerOptions.hasBranchTagFilter" ng-value="true">
+            <input type="radio"
+                   name="optionRadio"
+                   ng-model="$ctrl.local.triggerOptions.hasBranchTagFilter"
+                   ng-value="true">
             <div class="title">Trigger only on branches and tags matching a regular expression</div>
             <div class="description">Only build container images for a subset of branches and/or tags.</div>
             <div class="extended" ng-if="$ctrl.local.triggerOptions.hasBranchTagFilter">
@@ -214,8 +216,7 @@
                            ng-model="$ctrl.local.triggerOptions.branchTagFilter"
                            required>
                     <div class="description">Examples: heads/master, tags/tagname, heads/.+</div>
-                    <regex-match-view
+                    <regex-match-view items="$ctrl.local.repositoryFullRefs"
-                      items="$ctrl.local.repositoryFullRefs"
                                       regex="$ctrl.local.triggerOptions.branchTagFilter"
                                       ng-if="$ctrl.local.triggerOptions.branchTagFilter"></regex-match-view>
                   </td>
@@ -255,12 +256,10 @@
           Please select the location of the Dockerfile to build when this trigger is invoked
         </strong>
 
-        <dockerfile-path-select
+        <dockerfile-path-select current-path="$ctrl.local.dockerfilePath"
-          current-path="$ctrl.local.dockerfilePath"
                                 paths="$ctrl.local.dockerfileLocations.dockerfile_paths"
                                 supports-full-listing="true"
-          is-valid-path="$ctrl.local.hasValidDockerfilePath">
+                                is-valid-path="$ctrl.local.hasValidDockerfilePath"></dockerfile-path-select>
-        </dockerfile-path-select>
       </div>
 
       <div class="col-lg-8 col-md-8 col-sm-12 main-col"
@@ -290,12 +289,10 @@
           Please select the context for the docker build
         </strong>
 
-        <context-path-select
+        <context-path-select current-context="$ctrl.local.dockerContext"
-          current-context="$ctrl.local.dockerContext"
                              current-path="$ctrl.local.dockerfilePath"
                              contexts="$ctrl.local.contexts"
-          is-valid-context="$ctrl.local.hasValidContextLocation">
+                             is-valid-context="$ctrl.local.hasValidContextLocation"></context-path-select>
-        </context-path-select>
       </div>
 
       <div class="col-lg-8 col-md-8 col-sm-12 main-col"
@@ -311,7 +308,8 @@
     <linear-workflow-section class="row"
                              section-id="verification"
                              section-title="Robot Account"
-      section-valid="$ctrl.local.triggerAnalysis.status != 'error' && ($ctrl.local.triggerAnalysis.status != 'requiresrobot' || $ctrl.local.robotAccount != null)">
+                             section-valid="$ctrl.local.triggerAnalysis.status != 'error' &&
+                                            ($ctrl.local.triggerAnalysis.status != 'requiresrobot' || $ctrl.local.robotAccount != null)">
       <!-- Error -->
       <div class="col-lg-7 col-md-7 col-sm-12 main-col"
            ng-if="$ctrl.local.triggerAnalysis.status == 'error'">