feat(ui): update field validation logic to handle collection sizes

invokeai/frontend/web/src/features/nodes/components/flow/nodes/Invocation/fields/EditableFieldTitle.tsx

@@ -23,13 +23,13 @@ interface Props {
   nodeId: string;
   fieldName: string;
   kind: 'inputs' | 'outputs';
-  isMissingInput?: boolean;
+  isInvalid?: boolean;
   withTooltip?: boolean;
   shouldDim?: boolean;
 }
 
 const EditableFieldTitle = forwardRef((props: Props, ref) => {
-  const { nodeId, fieldName, kind, isMissingInput = false, withTooltip = false, shouldDim = false } = props;
+  const { nodeId, fieldName, kind, isInvalid = false, withTooltip = false, shouldDim = false } = props;
   const label = useFieldLabel(nodeId, fieldName);
   const fieldTemplateTitle = useFieldTemplateTitle(nodeId, fieldName, kind);
   const { t } = useTranslation();
@@ -78,7 +78,7 @@ const EditableFieldTitle = forwardRef((props: Props, ref) => {
           fontWeight="semibold"
           sx={editablePreviewStyles}
           noOfLines={1}
-          color={isMissingInput ? 'error.300' : 'base.300'}
+          color={isInvalid ? 'error.300' : 'base.300'}
           opacity={shouldDim ? 0.5 : 1}
         />
       </Tooltip>

invokeai/frontend/web/src/features/nodes/components/flow/nodes/Invocation/fields/InputField.tsx

@@ -1,8 +1,8 @@
 import { Flex, FormControl } from '@invoke-ai/ui-library';
 import { useConnectionState } from 'features/nodes/hooks/useConnectionState';
-import { useDoesInputHaveValue } from 'features/nodes/hooks/useDoesInputHaveValue';
 import { useFieldInputTemplate } from 'features/nodes/hooks/useFieldInputTemplate';
-import { memo, useCallback, useMemo, useState } from 'react';
+import { useFieldIsInvalid } from 'features/nodes/hooks/useFieldIsInvalid';
+import { memo, useCallback, useState } from 'react';
 
 import EditableFieldTitle from './EditableFieldTitle';
 import FieldHandle from './FieldHandle';
@@ -17,32 +17,12 @@ interface Props {
 
 const InputField = ({ nodeId, fieldName }: Props) => {
   const fieldTemplate = useFieldInputTemplate(nodeId, fieldName);
-  const doesFieldHaveValue = useDoesInputHaveValue(nodeId, fieldName);
   const [isHovered, setIsHovered] = useState(false);
+  const isInvalid = useFieldIsInvalid(nodeId, fieldName);
 
   const { isConnected, isConnectionInProgress, isConnectionStartField, validationResult, shouldDim } =
     useConnectionState({ nodeId, fieldName, kind: 'inputs' });
 
-  const isMissingInput = useMemo(() => {
-    if (!fieldTemplate) {
-      return false;
-    }
-
-    if (!fieldTemplate.required) {
-      return false;
-    }
-
-    if (!isConnected && fieldTemplate.input === 'connection') {
-      return true;
-    }
-
-    if (!doesFieldHaveValue && !isConnected && fieldTemplate.input !== 'connection') {
-      return true;
-    }
-
-    return false;
-  }, [fieldTemplate, isConnected, doesFieldHaveValue]);
-
   const onMouseEnter = useCallback(() => {
     setIsHovered(true);
   }, []);
@@ -54,12 +34,12 @@ const InputField = ({ nodeId, fieldName }: Props) => {
   if (fieldTemplate.input === 'connection' || isConnected) {
     return (
       <InputFieldWrapper shouldDim={shouldDim}>
-        <FormControl isInvalid={isMissingInput} isDisabled={isConnected} px={2}>
+        <FormControl isInvalid={isInvalid} isDisabled={isConnected} px={2}>
           <EditableFieldTitle
             nodeId={nodeId}
             fieldName={fieldName}
             kind="inputs"
-            isMissingInput={isMissingInput}
+            isInvalid={isInvalid}
             withTooltip
             shouldDim
           />
@@ -79,7 +59,7 @@ const InputField = ({ nodeId, fieldName }: Props) => {
   return (
     <InputFieldWrapper shouldDim={shouldDim}>
       <FormControl
-        isInvalid={isMissingInput}
+        isInvalid={isInvalid}
         isDisabled={isConnected}
         // Without pointerEvents prop, disabled inputs don't trigger reactflow events. For example, when making a
         // connection, the mouse up to end the connection won't fire, leaving the connection in-progress.
@@ -89,13 +69,7 @@ const InputField = ({ nodeId, fieldName }: Props) => {
       >
         <Flex flexDir="column" w="full" gap={1} onMouseEnter={onMouseEnter} onMouseLeave={onMouseLeave}>
           <Flex>
-            <EditableFieldTitle
-              nodeId={nodeId}
-              fieldName={fieldName}
-              kind="inputs"
-              isMissingInput={isMissingInput}
-              withTooltip
-            />
+            <EditableFieldTitle nodeId={nodeId} fieldName={fieldName} kind="inputs" isInvalid={isInvalid} withTooltip />
             {isHovered && <FieldLinearViewToggle nodeId={nodeId} fieldName={fieldName} />}
           </Flex>
           <InputFieldRenderer nodeId={nodeId} fieldName={fieldName} />

invokeai/frontend/web/src/features/nodes/components/flow/nodes/Invocation/fields/inputs/ImageFieldCollectionInputComponent.tsx

@@ -1,10 +1,12 @@
+import type { SystemStyleObject } from '@invoke-ai/ui-library';
 import { Flex, Grid, GridItem, IconButton } from '@invoke-ai/ui-library';
 import { useAppDispatch } from 'app/store/storeHooks';
 import { UploadMultipleImageButton } from 'common/hooks/useImageUploadButton';
 import type { AddImagesToNodeImageFieldCollection } from 'features/dnd/dnd';
 import { addImagesToNodeImageFieldCollectionDndTarget } from 'features/dnd/dnd';
 import { DndDropTarget } from 'features/dnd/DndDropTarget';
 import { DndImageFromImageName } from 'features/dnd/DndImageFromImageName';
+import { useFieldIsInvalid } from 'features/nodes/hooks/useFieldIsInvalid';
 import { fieldImageCollectionValueChanged } from 'features/nodes/store/nodesSlice';
 import type { ImageFieldCollectionInputInstance, ImageFieldCollectionInputTemplate } from 'features/nodes/types/field';
 import { memo, useCallback, useMemo } from 'react';
@@ -14,11 +16,21 @@ import type { ImageDTO } from 'services/api/types';
 
 import type { FieldComponentProps } from './types';
 
+const sx = {
+  '&[data-error=true]': {
+    borderColor: 'error.500',
+    borderStyle: 'solid',
+    borderWidth: 1,
+  },
+} satisfies SystemStyleObject;
+
 export const ImageFieldCollectionInputComponent = memo(
   (props: FieldComponentProps<ImageFieldCollectionInputInstance, ImageFieldCollectionInputTemplate>) => {
     const { t } = useTranslation();
-    const { nodeId, field, fieldTemplate } = props;
+    const { nodeId, field } = props;
     const dispatch = useAppDispatch();
+    const isInvalid = useFieldIsInvalid(nodeId, field.name);
+
     const onReset = useCallback(() => {
       dispatch(
         fieldImageCollectionValueChanged({
@@ -47,19 +59,6 @@ export const ImageFieldCollectionInputComponent = memo(
       [dispatch, field.name, nodeId]
     );
 
-    const isInvalid = useMemo(() => {
-      if (!field.value) {
-        if (fieldTemplate.required) {
-          return true;
-        }
-      } else if (fieldTemplate.minLength !== undefined && field.value.length < fieldTemplate.minLength) {
-        return true;
-      } else if (fieldTemplate.maxLength !== undefined && field.value.length > fieldTemplate.maxLength) {
-        return true;
-      }
-      return false;
-    }, [field.value, fieldTemplate.maxLength, fieldTemplate.minLength, fieldTemplate.required]);
-
     return (
       <Flex
         position="relative"
@@ -84,10 +83,14 @@ export const ImageFieldCollectionInputComponent = memo(
           <>
             <Grid
               className="nopan"
+              borderRadius="base"
               w="full"
               h="full"
               templateColumns={`repeat(${Math.min(field.value.length, 3)}, 1fr)`}
-              gap={2}
+              gap={1}
+              sx={sx}
+              data-error={isInvalid}
+              p={1}
             >
               {field.value.map(({ image_name }) => (
                 <GridItem key={image_name}>

invokeai/frontend/web/src/features/nodes/hooks/useFieldIsInvalid.ts

@@ -0,0 +1,57 @@
+import { createSelector } from '@reduxjs/toolkit';
+import { useAppSelector } from 'app/store/storeHooks';
+import { useConnectionState } from 'features/nodes/hooks/useConnectionState';
+import { useFieldInputTemplate } from 'features/nodes/hooks/useFieldInputTemplate';
+import { selectFieldInputInstance, selectNodesSlice } from 'features/nodes/store/selectors';
+import { isImageFieldCollectionInputInstance, isImageFieldCollectionInputTemplate } from 'features/nodes/types/field';
+import { useMemo } from 'react';
+
+export const useFieldIsInvalid = (nodeId: string, fieldName: string) => {
+  const template = useFieldInputTemplate(nodeId, fieldName);
+  const connectionState = useConnectionState({ nodeId, fieldName, kind: 'inputs' });
+
+  const selectIsInvalid = useMemo(() => {
+    return createSelector(selectNodesSlice, (nodes) => {
+      const field = selectFieldInputInstance(nodes, nodeId, fieldName);
+
+      // No field instance is a problem - should not happen
+      if (!field) {
+        return true;
+      }
+
+      // 'connection' input fields have no data validation - only connection validation
+      if (template.input === 'connection') {
+        return template.required && !connectionState.isConnected;
+      }
+
+      // 'any' input fields are valid if they are connected
+      if (template.input === 'any' && connectionState.isConnected) {
+        return false;
+      }
+
+      // If there is no valid for the field & the field is required, it is invalid
+      if (field.value === undefined) {
+        return template.required;
+      }
+
+      // Else special handling for individual field types
+      if (isImageFieldCollectionInputInstance(field) && isImageFieldCollectionInputTemplate(template)) {
+        // Image collections may have min or max item counts
+        if (template.minItems !== undefined && field.value.length < template.minItems) {
+          return true;
+        }
+
+        if (template.maxItems !== undefined && field.value.length > template.maxItems) {
+          return true;
+        }
+      }
+
+      // Field looks OK
+      return false;
+    });
+  }, [connectionState.isConnected, fieldName, nodeId, template]);
+
+  const isInvalid = useAppSelector(selectIsInvalid);
+
+  return isInvalid;
+};