Only show delete in selection toolbox for reroute (#2670)

src/components/graph/SelectionToolbox.vue

@@ -6,7 +6,7 @@
       content: 'p-0 flex flex-row'
     }"
   >
-    <ColorPickerButton />
+    <ColorPickerButton v-if="nodeSelected || groupSelected" />
     <Button
       v-if="nodeSelected"
       severity="secondary"
@@ -21,6 +21,7 @@
       </template>
     </Button>
     <Button
+      v-if="nodeSelected || groupSelected"
       severity="secondary"
       text
       icon="pi pi-thumbtack"
@@ -51,7 +52,7 @@ import ColorPickerButton from '@/components/graph/selectionToolbox/ColorPickerBu
 import { useRefreshableSelection } from '@/composables/useRefreshableSelection'
 import { useCommandStore } from '@/stores/commandStore'
 import { useCanvasStore } from '@/stores/graphStore'
-import { isLGraphNode } from '@/utils/litegraphUtil'
+import { isLGraphGroup, isLGraphNode } from '@/utils/litegraphUtil'
 
 const commandStore = useCommandStore()
 const canvasStore = useCanvasStore()
@@ -59,6 +60,9 @@ const { isRefreshable, refreshSelected } = useRefreshableSelection()
 const nodeSelected = computed(() =>
   canvasStore.selectedItems.some(isLGraphNode)
 )
+const groupSelected = computed(() =>
+  canvasStore.selectedItems.some(isLGraphGroup)
+)
 </script>
 
 <style scoped>

src/utils/litegraphUtil.ts

@@ -1,5 +1,5 @@
 import type { ColorOption, IWidget } from '@comfyorg/litegraph'
-import { LGraphNode, isColorable } from '@comfyorg/litegraph'
+import { LGraphGroup, LGraphNode, isColorable } from '@comfyorg/litegraph'
 import type { IComboWidget } from '@comfyorg/litegraph/dist/types/widgets'
 import _ from 'lodash'
 
@@ -21,8 +21,11 @@ export function addToComboValues(widget: IComboWidget, value: string) {
 }
 
 export const isLGraphNode = (item: unknown): item is LGraphNode => {
-  const name = item?.constructor?.name
+  return item instanceof LGraphNode
-  return name === 'ComfyNode' || name === 'LGraphNode'
+}
+
+export const isLGraphGroup = (item: unknown): item is LGraphGroup => {
+  return item instanceof LGraphGroup
 }
 
 /**