Disabled/enabled

src/app/courses/projects/project-config/project-config.component.html

@@ -4,7 +4,7 @@
       <label class="col-lg-3 control-label">Test files source:</label>
       <div class="col-lg-8">
         <input type="text" formControlName="testFilesSource"
-               [attr.disabled]="userCanUpdateProject() "
+               [attr.disabled]="userCanUpdateProject() ? null : true"
                id="test-files-source" class="form-control" required>
       </div>
     </div>
@@ -12,7 +12,7 @@
       <label class="col-lg-3 control-label">File whitelist:</label>
       <div class="col-lg-8">
         <textarea formControlName="fileWhitelist" id="file-whitelist"
-                  [attr.disabled]="userCanUpdateProject() "
+                  [attr.disabled]="userCanUpdateProject() ? null : true"
                   class="form-control"></textarea>
       </div>
     </div>
@@ -20,23 +20,23 @@
       <label class="col-lg-3 control-label">Pre-submit script:</label>
       <div class="col-lg-8">
         <textarea formControlName="preSubmitScript"
-                  [attr.disabled]="userCanUpdateProject() "
+                  [attr.disabled]="userCanUpdateProject() ? null : true"
                   id="pre-submit-script" class="form-control"></textarea>
       </div>
     </div>
-    <div class="form-group row" *ngIf="userCanViewFullConfig()">
+    <div class="form-group row" *ngIf="userCanViewFullConfig() ? null : true">
       <label class="col-lg-3 control-label">Post-submit script:</label>
       <div class="col-lg-8">
         <textarea formControlName="postSubmitScript"
-                  [attr.disabled]="userCanUpdateProject() "
+                  [attr.disabled]="userCanUpdateProject() ? null : true"
                   id="post-submit-script" class="form-control"></textarea>
       </div>
     </div>
-    <div class="form-group row" *ngIf="userCanViewFullConfig()">
+    <div class="form-group row" *ngIf="userCanViewFullConfig() ? null : true">
       <label class="col-lg-3 control-label">Submission parameters:</label>
       <div class="col-lg-8">
                 <textarea formControlName="submissionParameters" id="submission-parameters"
-                          [attr.disabled]="userCanUpdateProject() "
+                          [attr.disabled]="userCanUpdateProject()  ? null : true"
                           class="form-control"></textarea>
       </div>
     </div>
@@ -45,7 +45,7 @@
       <div class="col-lg-8">
                 <textarea formControlName="submissionSchedulerConfig"
                           id="submission-scheduler-config"
-                          [attr.disabled]="userCanUpdateProject() "
+                          [attr.disabled]="userCanUpdateProject()  ? null : true"
                           class="form-control"></textarea>
       </div>
     </div>