From ded2e71d41e31ed7a1347f57c0cdddd2bd535d26 Mon Sep 17 00:00:00 2001
From: Suguru Inoue <suguru@n8n.io>
Date: Tue, 15 Jul 2025 12:10:53 +0200
Subject: [PATCH] feat(editor): Show input panel for mapping in embedded NDV
 (no-changelog) (#17227)

---
 .../src/components/InputPanel.test.ts         |  11 +-
 .../editor-ui/src/components/InputPanel.vue   |  32 +--
 .../src/components/NodeDetailsView.vue        |   3 +
 .../src/components/NodeDetailsViewV2.vue      |   3 +
 .../editor-ui/src/components/NodeSettings.vue |   2 +-
 .../editor-ui/src/components/RunData.vue      |   3 +
 .../__snapshots__/InputPanel.test.ts.snap     |   4 +-
 .../ExperimentalEmbeddedNodeDetails.vue       | 206 +++++++++++++-----
 8 files changed, 185 insertions(+), 79 deletions(-)

diff --git a/packages/frontend/editor-ui/src/components/InputPanel.test.ts b/packages/frontend/editor-ui/src/components/InputPanel.test.ts
index 6d75bccb55..a409192952 100644
--- a/packages/frontend/editor-ui/src/components/InputPanel.test.ts
+++ b/packages/frontend/editor-ui/src/components/InputPanel.test.ts
@@ -1,7 +1,6 @@
 import { createTestNode, createTestWorkflow, createTestWorkflowObject } from '@/__tests__/mocks';
 import { createComponentRenderer } from '@/__tests__/render';
 import InputPanel, { type Props } from '@/components/InputPanel.vue';
-import { STORES } from '@n8n/stores';
 import { useWorkflowsStore } from '@/stores/workflows.store';
 import { createTestingPinia } from '@pinia/testing';
 import { waitFor } from '@testing-library/vue';
@@ -50,7 +49,6 @@ const render = (props: Partial<Props> = {}, pinData?: INodeExecutionData[], runD
 
 	const pinia = createTestingPinia({
 		stubActions: false,
-		initialState: { [STORES.NDV]: { activeNodeName: props.currentNodeName ?? nodes[1].name } },
 	});
 	setActivePinia(pinia);
 
@@ -97,9 +95,12 @@ const render = (props: Partial<Props> = {}, pinData?: INodeExecutionData[], runD
 		props: {
 			pushRef: 'pushRef',
 			runIndex: 0,
-			currentNodeName: nodes[1].name,
+			currentNodeName: nodes[0].name,
+			activeNodeName: nodes[1].name,
 			workflow: workflowObject,
 			displayMode: 'schema',
+			focusedMappableInput: '',
+			isMappingOnboarded: false,
 		},
 		global: {
 			stubs: {
@@ -118,14 +119,14 @@ describe('InputPanel', () => {
 	});
 
 	it("opens mapping tab by default if the node hasn't run yet", async () => {
-		const { findByTestId } = render({ currentNodeName: 'Tool' });
+		const { findByTestId } = render({ activeNodeName: 'Tool' });
 
 		expect((await findByTestId('radio-button-mapping')).parentNode).toBeChecked();
 		expect((await findByTestId('radio-button-debugging')).parentNode).not.toBeChecked();
 	});
 
 	it('opens debugging tab by default if the node has already run', async () => {
-		const { findByTestId } = render({ currentNodeName: 'Tool' }, undefined, {
+		const { findByTestId } = render({ activeNodeName: 'Tool' }, undefined, {
 			Tool: [
 				{
 					startTime: 0,
diff --git a/packages/frontend/editor-ui/src/components/InputPanel.vue b/packages/frontend/editor-ui/src/components/InputPanel.vue
index cab319c30c..519d758bdb 100644
--- a/packages/frontend/editor-ui/src/components/InputPanel.vue
+++ b/packages/frontend/editor-ui/src/components/InputPanel.vue
@@ -10,7 +10,6 @@ import {
 } from '@/constants';
 import { useNodeTypesStore } from '@/stores/nodeTypes.store';
 import { useWorkflowsStore } from '@/stores/workflows.store';
-import { useNDVStore } from '@/stores/ndv.store';
 import { waitingNodeTooltip } from '@/utils/executionUtils';
 import uniqBy from 'lodash/uniqBy';
 import { N8nIcon, N8nRadioButtons, N8nText, N8nTooltip } from '@n8n/design-system';
@@ -22,7 +21,6 @@ import {
 	NodeConnectionTypes,
 	NodeHelpers,
 } from 'n8n-workflow';
-import { storeToRefs } from 'pinia';
 import { computed, ref, watch } from 'vue';
 import InputNodeSelect from './InputNodeSelect.vue';
 import NodeExecuteButton from './NodeExecuteButton.vue';
@@ -38,6 +36,7 @@ export type Props = {
 	runIndex: number;
 	workflow: Workflow;
 	pushRef: string;
+	activeNodeName: string;
 	currentNodeName?: string;
 	canLinkRuns?: boolean;
 	linkedRuns?: boolean;
@@ -45,6 +44,10 @@ export type Props = {
 	isProductionExecutionPreview?: boolean;
 	isPaneActive?: boolean;
 	displayMode: IRunDataDisplayMode;
+	compact?: boolean;
+	disableDisplayModeSelection?: boolean;
+	focusedMappableInput: string;
+	isMappingOnboarded: boolean;
 };
 
 const props = withDefaults(defineProps<Props>(), {
@@ -91,15 +94,10 @@ const inputModes = [
 ];
 
 const nodeTypesStore = useNodeTypesStore();
-const ndvStore = useNDVStore();
 const workflowsStore = useWorkflowsStore();
 const posthogStore = usePostHog();
 
-const {
-	activeNode,
-	focusedMappableInput,
-	isMappingOnboarded: isUserOnboarded,
-} = storeToRefs(ndvStore);
+const activeNode = computed(() => workflowsStore.getNodeByName(props.activeNodeName));
 
 const rootNode = computed(() => {
 	if (!activeNode.value) return null;
@@ -128,7 +126,7 @@ const showDraggableHint = computed(() => {
 		return false;
 	}
 
-	return !!focusedMappableInput.value && !isUserOnboarded.value;
+	return !!props.focusedMappableInput && !props.isMappingOnboarded;
 });
 
 const isActiveNodeConfig = computed(() => {
@@ -396,6 +394,8 @@ function handleChangeCollapsingColumn(columnName: string | null) {
 		data-test-id="ndv-input-panel"
 		:disable-ai-content="true"
 		:collapsing-table-column-name="collapsingColumnName"
+		:compact="compact"
+		:disable-display-mode-selection="disableDisplayModeSelection"
 		@activate-pane="activatePane"
 		@item-hover="onItemHover"
 		@link-run="onLinkRun"
@@ -408,9 +408,14 @@ function handleChangeCollapsingColumn(columnName: string | null) {
 	>
 		<template #header>
 			<div :class="[$style.titleSection, { [$style.titleSectionV2]: isNDVV2 }]">
-				<span :class="[$style.title, { [$style.titleV2]: isNDVV2 }]">{{
-					i18n.baseText('ndv.input')
-				}}</span>
+				<N8nText
+					:bold="true"
+					color="text-light"
+					:size="compact ? 'small' : 'medium'"
+					:class="[$style.title, { [$style.titleV2]: isNDVV2 }]"
+				>
+					{{ i18n.baseText('ndv.input') }}
+				</N8nText>
 				<N8nRadioButtons
 					v-if="isActiveNodeConfig && !readOnly"
 					data-test-id="input-panel-mode"
@@ -686,10 +691,7 @@ function handleChangeCollapsingColumn(columnName: string | null) {
 
 .title {
 	text-transform: uppercase;
-	color: var(--color-text-light);
 	letter-spacing: 3px;
-	font-size: var(--font-size-s);
-	font-weight: var(--font-weight-bold);
 }
 
 .titleV2 {
diff --git a/packages/frontend/editor-ui/src/components/NodeDetailsView.vue b/packages/frontend/editor-ui/src/components/NodeDetailsView.vue
index 07c44e7cc3..21b065b984 100644
--- a/packages/frontend/editor-ui/src/components/NodeDetailsView.vue
+++ b/packages/frontend/editor-ui/src/components/NodeDetailsView.vue
@@ -783,12 +783,15 @@ onBeforeUnmount(() => {
 						:can-link-runs="canLinkRuns"
 						:run-index="inputRun"
 						:linked-runs="linked"
+						:active-node-name="activeNode.name"
 						:current-node-name="inputNodeName"
 						:push-ref="pushRef"
 						:read-only="readOnly || hasForeignCredential"
 						:is-production-execution-preview="isProductionExecutionPreview"
 						:is-pane-active="isInputPaneActive"
 						:display-mode="inputPanelDisplayMode"
+						:is-mapping-onboarded="ndvStore.isMappingOnboarded"
+						:focused-mappable-input="ndvStore.focusedMappableInput"
 						@activate-pane="activateInputPane"
 						@link-run="onLinkRunToInput"
 						@unlink-run="() => onUnlinkRun('input')"
diff --git a/packages/frontend/editor-ui/src/components/NodeDetailsViewV2.vue b/packages/frontend/editor-ui/src/components/NodeDetailsViewV2.vue
index c5bc3cf697..44b1dcc2ec 100644
--- a/packages/frontend/editor-ui/src/components/NodeDetailsViewV2.vue
+++ b/packages/frontend/editor-ui/src/components/NodeDetailsViewV2.vue
@@ -759,6 +759,7 @@ onBeforeUnmount(() => {
 							:can-link-runs="canLinkRuns"
 							:run-index="inputRun"
 							:linked-runs="linked"
+							:active-node-name="activeNode.name"
 							:current-node-name="inputNodeName"
 							:push-ref="pushRef"
 							:read-only="readOnly || hasForeignCredential"
@@ -766,6 +767,8 @@ onBeforeUnmount(() => {
 							:is-pane-active="isInputPaneActive"
 							:display-mode="inputPanelDisplayMode"
 							:class="$style.input"
+							:is-mapping-onboarded="ndvStore.isMappingOnboarded"
+							:focused-mappable-input="ndvStore.focusedMappableInput"
 							@activate-pane="activateInputPane"
 							@link-run="onLinkRunToInput"
 							@unlink-run="() => onUnlinkRun('input')"
diff --git a/packages/frontend/editor-ui/src/components/NodeSettings.vue b/packages/frontend/editor-ui/src/components/NodeSettings.vue
index b971d3f510..15edb1ca9a 100644
--- a/packages/frontend/editor-ui/src/components/NodeSettings.vue
+++ b/packages/frontend/editor-ui/src/components/NodeSettings.vue
@@ -1126,7 +1126,7 @@ function handleWheelEvent(event: WheelEvent) {
 			&::-webkit-scrollbar-thumb {
 				border-radius: var(--spacing-2xs);
 				background: var(--color-foreground-dark);
-				border: var(--spacing-5xs) solid white;
+				border: var(--spacing-5xs) solid var(--color-background-xlight);
 			}
 		}
 	}
diff --git a/packages/frontend/editor-ui/src/components/RunData.vue b/packages/frontend/editor-ui/src/components/RunData.vue
index 69a36fb9c3..8fde3fcb38 100644
--- a/packages/frontend/editor-ui/src/components/RunData.vue
+++ b/packages/frontend/editor-ui/src/components/RunData.vue
@@ -146,6 +146,7 @@ type Props = {
 	hidePagination?: boolean;
 	calloutMessage?: string;
 	disableRunIndexSelection?: boolean;
+	disableDisplayModeSelection?: boolean;
 	disableEdit?: boolean;
 	disablePin?: boolean;
 	compact?: boolean;
@@ -168,6 +169,7 @@ const props = withDefaults(defineProps<Props>(), {
 	hidePagination: false,
 	calloutMessage: undefined,
 	disableRunIndexSelection: false,
+	disableDisplayModeSelection: false,
 	disableEdit: false,
 	disablePin: false,
 	disableHoverHighlight: false,
@@ -1447,6 +1449,7 @@ defineExpose({ enterEditMode });
 				/>
 
 				<RunDataDisplayModeSelect
+					v-if="!disableDisplayModeSelection"
 					v-show="
 						hasPreviewSchema ||
 						(hasNodeRun &&
diff --git a/packages/frontend/editor-ui/src/components/__snapshots__/InputPanel.test.ts.snap b/packages/frontend/editor-ui/src/components/__snapshots__/InputPanel.test.ts.snap
index 4650ec5c5d..4135cdec62 100644
--- a/packages/frontend/editor-ui/src/components/__snapshots__/InputPanel.test.ts.snap
+++ b/packages/frontend/editor-ui/src/components/__snapshots__/InputPanel.test.ts.snap
@@ -22,9 +22,11 @@ exports[`InputPanel > should render 1`] = `
           class="titleSection"
         >
           <span
-            class="title"
+            class="n8n-text text-light size-medium bold title title"
           >
+            
             Input
+            
           </span>
           <div
             class="n8n-radio-buttons radioGroup"
diff --git a/packages/frontend/editor-ui/src/components/canvas/experimental/components/ExperimentalEmbeddedNodeDetails.vue b/packages/frontend/editor-ui/src/components/canvas/experimental/components/ExperimentalEmbeddedNodeDetails.vue
index 41ab5a97fe..f084a27070 100644
--- a/packages/frontend/editor-ui/src/components/canvas/experimental/components/ExperimentalEmbeddedNodeDetails.vue
+++ b/packages/frontend/editor-ui/src/components/canvas/experimental/components/ExperimentalEmbeddedNodeDetails.vue
@@ -1,16 +1,18 @@
 <script setup lang="ts">
-import ExperimentalCanvasNodeSettings from './ExperimentalCanvasNodeSettings.vue';
-import { onBeforeUnmount, ref, computed, provide } from 'vue';
-import { useNodeTypesStore } from '@/stores/nodeTypes.store';
-import { useWorkflowsStore } from '@/stores/workflows.store';
-import { useExperimentalNdvStore } from '../experimentalNdv.store';
+import InputPanel from '@/components/InputPanel.vue';
 import NodeTitle from '@/components/NodeTitle.vue';
-import { N8nIcon, N8nIconButton } from '@n8n/design-system';
-import { useVueFlow } from '@vue-flow/core';
-import { watchOnce } from '@vueuse/core';
 import { ExpressionLocalResolveContextSymbol } from '@/constants';
 import { useEnvironmentsStore } from '@/stores/environments.ee.store';
+import { useNDVStore } from '@/stores/ndv.store';
+import { useNodeTypesStore } from '@/stores/nodeTypes.store';
+import { useWorkflowsStore } from '@/stores/workflows.store';
 import type { ExpressionLocalResolveContext } from '@/types/expressions';
+import { N8nIcon, N8nIconButton } from '@n8n/design-system';
+import { useVueFlow } from '@vue-flow/core';
+import { useActiveElement, watchOnce } from '@vueuse/core';
+import { computed, onBeforeUnmount, provide, ref, useTemplateRef, watch } from 'vue';
+import { useExperimentalNdvStore } from '../experimentalNdv.store';
+import ExperimentalCanvasNodeSettings from './ExperimentalCanvasNodeSettings.vue';
 
 const { nodeId, isReadOnly, isConfigurable } = defineProps<{
 	nodeId: string;
@@ -18,6 +20,7 @@ const { nodeId, isReadOnly, isConfigurable } = defineProps<{
 	isConfigurable: boolean;
 }>();
 
+const ndvStore = useNDVStore();
 const experimentalNdvStore = useExperimentalNdvStore();
 const isExpanded = computed(() => !experimentalNdvStore.collapsedNodes[nodeId]);
 const nodeTypesStore = useNodeTypesStore();
@@ -58,63 +61,81 @@ const isVisible = computed(() =>
 	),
 );
 const isOnceVisible = ref(isVisible.value);
+const shouldShowInputPanel = ref(false);
 
-provide(
-	ExpressionLocalResolveContextSymbol,
-	computed<ExpressionLocalResolveContext | undefined>(() => {
-		if (!node.value) {
-			return undefined;
+const containerRef = useTemplateRef('container');
+const inputPanelContainerRef = useTemplateRef('inputPanelContainer');
+const activeElement = useActiveElement();
+
+const expressionResolveCtx = computed<ExpressionLocalResolveContext | undefined>(() => {
+	if (!node.value) {
+		return undefined;
+	}
+
+	const runIndex = 0; // not changeable for now
+	const execution = workflowsStore.workflowExecutionData;
+	const nodeName = node.value.name;
+
+	function findInputNode(): ExpressionLocalResolveContext['inputNode'] {
+		const taskData = (execution?.data?.resultData.runData[nodeName] ?? [])[runIndex];
+		const source = taskData?.source[0];
+
+		if (source) {
+			return {
+				name: source.previousNode,
+				branchIndex: source.previousNodeOutput ?? 0,
+				runIndex: source.previousNodeRun ?? 0,
+			};
 		}
 
-		const workflow = workflowsStore.getCurrentWorkflow();
-		const runIndex = 0; // not changeable for now
-		const execution = workflowsStore.workflowExecutionData;
-		const nodeName = node.value.name;
+		const inputs = workflow.value.getParentNodesByDepth(nodeName, 1);
 
-		function findInputNode(): ExpressionLocalResolveContext['inputNode'] {
-			const taskData = (execution?.data?.resultData.runData[nodeName] ?? [])[runIndex];
-			const source = taskData?.source[0];
-
-			if (source) {
-				return {
-					name: source.previousNode,
-					branchIndex: source.previousNodeOutput ?? 0,
-					runIndex: source.previousNodeRun ?? 0,
-				};
-			}
-
-			const inputs = workflow.getParentNodesByDepth(nodeName, 1);
-
-			if (inputs.length > 0) {
-				return {
-					name: inputs[0].name,
-					branchIndex: inputs[0].indicies[0] ?? 0,
-					runIndex: 0,
-				};
-			}
-
-			return undefined;
+		if (inputs.length > 0) {
+			return {
+				name: inputs[0].name,
+				branchIndex: inputs[0].indicies[0] ?? 0,
+				runIndex: 0,
+			};
 		}
 
-		return {
-			localResolve: true,
-			envVars: useEnvironmentsStore().variablesAsObject,
-			workflow,
-			execution,
-			nodeName,
-			additionalKeys: {},
-			inputNode: findInputNode(),
-		};
-	}),
-);
+		return undefined;
+	}
+
+	return {
+		localResolve: true,
+		envVars: useEnvironmentsStore().variablesAsObject,
+		workflow: workflow.value,
+		execution,
+		nodeName,
+		additionalKeys: {},
+		inputNode: findInputNode(),
+	};
+});
+
+const workflow = computed(() => workflowsStore.getCurrentWorkflow());
+
+function handleToggleExpand() {
+	experimentalNdvStore.setNodeExpanded(nodeId);
+}
+
+provide(ExpressionLocalResolveContextSymbol, expressionResolveCtx);
 
 watchOnce(isVisible, (visible) => {
 	isOnceVisible.value = isOnceVisible.value || visible;
 });
 
-function handleToggleExpand() {
-	experimentalNdvStore.setNodeExpanded(nodeId);
-}
+watch([activeElement, vf.getSelectedNodes], ([active, selected]) => {
+	if (active && containerRef.value?.contains(active)) {
+		// TODO: find a way to implement this without depending on test ID
+		shouldShowInputPanel.value =
+			!!active.closest('[data-test-id=inline-expression-editor-input]') ||
+			!!inputPanelContainerRef.value?.contains(active);
+	}
+
+	if (selected.every((sel) => sel.id !== node.value?.id)) {
+		shouldShowInputPanel.value = false;
+	}
+});
 </script>
 
 <template>
@@ -129,6 +150,7 @@ function handleToggleExpand() {
 		<template v-if="isOnceVisible">
 			<ExperimentalCanvasNodeSettings
 				v-if="isExpanded"
+				tabindex="-1"
 				:node-id="nodeId"
 				:class="$style.settingsView"
 				:no-wheel="
@@ -158,6 +180,34 @@ function handleToggleExpand() {
 				/>
 				<N8nIcon icon="maximize-2" size="large" />
 			</div>
+			<Transition name="input">
+				<div
+					v-if="shouldShowInputPanel && node"
+					ref="inputPanelContainer"
+					:class="$style.inputPanelContainer"
+					:tabindex="-1"
+				>
+					<InputPanel
+						:class="$style.inputPanel"
+						:workflow="workflow"
+						:run-index="0"
+						compact
+						push-ref=""
+						display-mode="schema"
+						disable-display-mode-selection
+						:active-node-name="node.name"
+						:current-node-name="expressionResolveCtx?.inputNode?.name"
+						:is-mapping-onboarded="ndvStore.isMappingOnboarded"
+						:focused-mappable-input="ndvStore.focusedMappableInput"
+					>
+						<template #header>
+							<N8nText :class="$style.inputPanelTitle" :bold="true" color="text-light" size="small">
+								Input
+							</N8nText>
+						</template>
+					</InputPanel>
+				</div>
+			</Transition>
 		</template>
 	</div>
 </template>
@@ -167,7 +217,6 @@ function handleToggleExpand() {
 	position: relative;
 	align-items: flex-start;
 	justify-content: stretch;
-	overflow: hidden;
 	border-width: 1px !important;
 	border-radius: var(--border-radius-base) !important;
 	width: calc(var(--canvas-node--width) * var(--node-width-scaler));
@@ -175,9 +224,12 @@ function handleToggleExpand() {
 	&.expanded {
 		cursor: default;
 		height: auto;
+		max-height: min(calc(var(--canvas-node--height) * 2), 300px);
+		min-height: var(--spacing-3xl);
 	}
 	&.collapsed {
-		height: calc(16px * 4);
+		overflow: hidden;
+		height: var(--spacing-3xl);
 	}
 }
 
@@ -193,9 +245,10 @@ function handleToggleExpand() {
 :root .settingsView {
 	z-index: 1000;
 	width: 100%;
+	border-radius: var(--border-radius-base);
 
 	height: auto;
-	max-height: min(calc(var(--canvas-node--height) * 2), 300px);
+	max-height: calc(min(calc(var(--canvas-node--height) * 2), 300px) - var(--border-width-base) * 2);
 	min-height: var(--spacing-3xl); // should be multiple of GRID_SIZE
 }
 
@@ -221,4 +274,43 @@ function handleToggleExpand() {
 		zoom: var(--zoom);
 	}
 }
+
+.inputPanelContainer {
+	position: absolute;
+	right: 100%;
+	top: 0;
+	padding-right: var(--spacing-4xs);
+	margin-top: calc(-1 * var(--border-width-base));
+	width: 180px;
+	z-index: 2000;
+	max-height: 80vh;
+}
+
+.inputPanel {
+	border: var(--border-base);
+	border-width: 1px;
+	background-color: var(--color-background-light);
+	border-radius: var(--border-radius-large);
+	zoom: var(--zoom);
+	box-shadow: 0 2px 16px rgba(0, 0, 0, 0.05);
+	padding: var(--spacing-2xs);
+	height: 100%;
+}
+
+.inputPanelTitle {
+	text-transform: uppercase;
+	letter-spacing: 3px;
+}
+</style>
+
+<style lang="scss" scoped>
+.input-enter-active,
+.input-leave-active {
+	transition: opacity 0.3s ease;
+}
+
+.input-enter-from,
+.input-leave-to {
+	opacity: 0;
+}
 </style>