UI: Show legend fieldset only in timeseries and latest widget

ui-ngx/src/app/modules/home/components/widget/legend.component.ts

@@ -60,11 +60,13 @@ export class LegendComponent implements OnInit {
   }
 
   legendKeys(): LegendKey[] {
-    let keys = this.legendData.keys;
-    if (this.legendConfig.sortDataKeys) {
-      keys = this.legendData.keys.sort((key1, key2) => key1.dataKey.label.localeCompare(key2.dataKey.label));
-    }
-    return keys.filter(legendKey => this.legendData.keys[legendKey.dataIndex].dataKey.inLegend);
+    try {
+      let keys = this.legendData.keys;
+      if (this.legendConfig.sortDataKeys) {
+        keys = this.legendData.keys.sort((key1, key2) => key1.dataKey.label.localeCompare(key2.dataKey.label));
+      }
+      return keys.filter(legendKey => this.legendData.keys[legendKey.dataIndex].dataKey.inLegend);
+    } catch (e) {}
   }
 
 }

ui-ngx/src/app/modules/home/components/widget/widget-config.component.html

@@ -421,7 +421,7 @@
             </ng-template>
           </mat-expansion-panel>
         </fieldset>
-        <fieldset class="fields-group fields-group-slider">
+        <fieldset class="fields-group fields-group-slider" *ngIf="showLegendFieldset">
           <legend class="group-title" translate>widget-config.legend</legend>
           <mat-expansion-panel class="tb-settings">
             <mat-expansion-panel-header fxLayout="row wrap">

ui-ngx/src/app/modules/home/components/widget/widget-config.component.ts

@@ -159,6 +159,8 @@ export class WidgetConfigComponent extends PageComponent implements OnInit, Cont
 
   modelValue: WidgetConfigComponentData;
 
+  showLegendFieldset = true;
+
   private propagateChange = null;
 
   public dataSettings: FormGroup;
@@ -322,6 +324,8 @@ export class WidgetConfigComponent extends PageComponent implements OnInit, Cont
         this.datasourceTypes.push(DatasourceType.entityCount);
       }
     }
+    this.showLegendFieldset = (this.widgetType === widgetType.timeseries || this.widgetType === widgetType.latest);
+
     this.dataSettings = this.fb.group({});
     this.targetDeviceSettings = this.fb.group({});
     this.alarmSourceSettings = this.fb.group({});