Image editor for assets.

frontend/app/shared/components/assets/asset-dialog.component.ts

@@ -136,6 +136,8 @@ export class AssetDialogComponent implements OnInit {
                     }, error => {
                         this.annotateForm.submitFailed(error);
                     });
+            } else {
+                this.dialogs.notifyInfo('Nothing has changed.');
             }
         }
     }

frontend/app/shared/components/assets/image-editor.component.ts

@@ -172,12 +172,13 @@ export class ImageEditorComponent implements AfterViewInit, OnChanges {
                     menu: [
                         'crop',
                         'flip',
-                        'rotate',
                         'mask',
                         'filter'
                     ],
                     theme: blackTheme
-                }
+                },
+                cssMaxWidth: 700,
+                cssMaxHeight: 500
             });
 
             this.imageEditor.on('undoStackChanged', () => {

frontend/app/shared/state/asset-uploader.state.ts

@@ -77,7 +77,7 @@ export class AssetUploaderState extends State<Snapshot> {
 
         return this.upload(stream, MathHelper.guid(), file.name, asset  => {
             if (asset.isDuplicate) {
-                this.dialogs.notifyInfo('Asset has already been uploaded.');
+                this.dialogs.notifyError('Asset has already been uploaded.');
             } else if (target) {
                 target.addAsset(asset);
             }

frontend/app/shared/state/assets.forms.ts

@@ -31,7 +31,11 @@ export class AnnotateAssetForm extends Form<FormGroup, AnnotateAssetDto, AssetDt
         private readonly formBuilder: FormBuilder
     ) {
         super(formBuilder.group({
-            isProtected: false,
+            isProtected: [false,
+                [
+                    Validators.nullValidator
+                ]
+            ],
             fileName: ['',
                 [
                     Validators.required
@@ -42,7 +46,11 @@ export class AnnotateAssetForm extends Form<FormGroup, AnnotateAssetDto, AssetDt
                     Validators.required
                 ]
             ],
-            tags: [],
+            tags: [[],
+                [
+                    Validators.nullValidator
+                ]
+            ],
             metadata: formBuilder.array([])
         }));
     }