From 64c7be59b7ba6025107923cc6316fa4e2867508c Mon Sep 17 00:00:00 2001
From: lyzno1 <92089059+lyzno1@users.noreply.github.com>
Date: Thu, 28 Aug 2025 17:21:34 +0800
Subject: [PATCH] Improve workflow block selector search functionality (#24707)

---
 .../plugins/marketplace/search-box/index.tsx  | 10 ++-
 .../block-selector/all-start-blocks.tsx       | 67 ++++++++++++++++---
 .../workflow/block-selector/index.tsx         | 15 ++++-
 .../workflow/block-selector/start-blocks.tsx  | 43 ++++++------
 .../workflow/block-selector/tabs.tsx          |  1 +
 .../trigger-plugin-selector.tsx               |  6 ++
 .../block-selector/trigger-plugin/list.tsx    | 28 ++++++--
 web/i18n/en-US/workflow.ts                    |  2 +
 web/i18n/ja-JP/workflow.ts                    |  2 +
 web/i18n/zh-Hans/workflow.ts                  |  2 +
 10 files changed, 130 insertions(+), 46 deletions(-)

diff --git a/web/app/components/plugins/marketplace/search-box/index.tsx b/web/app/components/plugins/marketplace/search-box/index.tsx
index 5c6f04e3bd..11d7081d17 100644
--- a/web/app/components/plugins/marketplace/search-box/index.tsx
+++ b/web/app/components/plugins/marketplace/search-box/index.tsx
@@ -1,5 +1,5 @@
 'use client'
-import { RiCloseLine, RiSearchLine } from '@remixicon/react'
+import { RiCloseCircleFill, RiSearchLine } from '@remixicon/react'
 import TagsFilter from './tags-filter'
 import ActionButton from '@/app/components/base/action-button'
 import cn from '@/utils/classnames'
@@ -48,7 +48,7 @@ const SearchBox = ({
             <RiSearchLine className='mr-1.5 size-4 text-text-placeholder' />
             <input
               className={cn(
-                'body-md-medium block grow appearance-none bg-transparent text-text-secondary outline-none',
+                'system-sm-regular block grow appearance-none bg-transparent text-text-secondary outline-none',
               )}
               value={search}
               onChange={(e) => {
@@ -58,10 +58,8 @@ const SearchBox = ({
             />
             {
               search && (
-                <div className='absolute right-2 top-1/2 -translate-y-1/2'>
-                  <ActionButton onClick={() => onSearchChange('')}>
-                    <RiCloseLine className='h-4 w-4' />
-                  </ActionButton>
+                <div className={cn('group absolute right-2 top-1/2 -translate-y-1/2 cursor-pointer p-[1px]')} onClick={() => onSearchChange('')}>
+                  <RiCloseCircleFill className='h-3.5 w-3.5 cursor-pointer text-text-quaternary group-hover:text-text-tertiary' />
                 </div>
               )
             }
diff --git a/web/app/components/workflow/block-selector/all-start-blocks.tsx b/web/app/components/workflow/block-selector/all-start-blocks.tsx
index 40c6e5e96f..37378bf334 100644
--- a/web/app/components/workflow/block-selector/all-start-blocks.tsx
+++ b/web/app/components/workflow/block-selector/all-start-blocks.tsx
@@ -1,5 +1,5 @@
 'use client'
-import { useRef } from 'react'
+import { useCallback, useRef, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import type { BlockEnum } from '../types'
 import type { ToolDefaultValue } from './types'
@@ -10,12 +10,15 @@ import cn from '@/utils/classnames'
 import Link from 'next/link'
 import { RiArrowRightUpLine } from '@remixicon/react'
 import { getMarketplaceUrl } from '@/utils/var'
+import Button from '@/app/components/base/button'
+import { SearchMenu } from '@/app/components/base/icons/src/vender/line/general'
 
 type AllStartBlocksProps = {
   className?: string
   searchText: string
   onSelect: (type: BlockEnum, tool?: ToolDefaultValue) => void
   availableBlocksTypes?: BlockEnum[]
+  tags?: string[]
 }
 
 const AllStartBlocks = ({
@@ -23,26 +26,68 @@ const AllStartBlocks = ({
   searchText,
   onSelect,
   availableBlocksTypes,
+  tags = [],
 }: AllStartBlocksProps) => {
   const { t } = useTranslation()
   const wrapElemRef = useRef<HTMLDivElement>(null)
+  const [hasStartBlocksContent, setHasStartBlocksContent] = useState(false)
+  const [hasPluginContent, setHasPluginContent] = useState(false)
+
+  const handleStartBlocksContentChange = useCallback((hasContent: boolean) => {
+    setHasStartBlocksContent(hasContent)
+  }, [])
+
+  const handlePluginContentChange = useCallback((hasContent: boolean) => {
+    setHasPluginContent(hasContent)
+  }, [])
+
+  const hasAnyContent = hasStartBlocksContent || hasPluginContent
+  const shouldShowEmptyState = searchText && !hasAnyContent
 
   return (
     <div className={cn('min-w-[400px] max-w-[500px]', className)}>
       <div
         ref={wrapElemRef}
-        className='max-h-[464px] overflow-y-auto'
+        className='h-[640px] max-h-[640px] overflow-y-auto'
       >
-        <StartBlocks
-          searchText={searchText}
-          onSelect={onSelect}
-          availableBlocksTypes={ENTRY_NODE_TYPES as unknown as BlockEnum[]}
-        />
+        {shouldShowEmptyState && (
+          <div className='flex flex-col items-center gap-1 pt-48'>
+            <SearchMenu className='h-8 w-8 text-text-quaternary' />
+            <div className='text-sm font-medium text-text-secondary'>
+              {t('workflow.tabs.noPluginsFound')}
+            </div>
+            <Link
+              href='https://github.com/langgenius/dify-plugins/issues'
+              target='_blank'
+            >
+              <Button
+                size='small'
+                variant='secondary-accent'
+                className='h-6 px-3 text-xs'
+              >
+                {t('workflow.tabs.requestToCommunity')}
+              </Button>
+            </Link>
+          </div>
+        )}
 
-        <TriggerPluginSelector
-          onSelect={onSelect}
-          searchText={searchText}
-        />
+        {!shouldShowEmptyState && (
+          <>
+            <StartBlocks
+              searchText={searchText}
+              onSelect={onSelect}
+              availableBlocksTypes={ENTRY_NODE_TYPES as unknown as BlockEnum[]}
+              onContentStateChange={handleStartBlocksContentChange}
+            />
+
+            <TriggerPluginSelector
+              onSelect={onSelect}
+              searchText={searchText}
+              onContentStateChange={handlePluginContentChange}
+              tags={tags}
+            />
+          </>
+        )}
       </div>
 
       {/* Footer - Same as Tools tab marketplace footer */}
diff --git a/web/app/components/workflow/block-selector/index.tsx b/web/app/components/workflow/block-selector/index.tsx
index f56d922d23..0eb92f1e16 100644
--- a/web/app/components/workflow/block-selector/index.tsx
+++ b/web/app/components/workflow/block-selector/index.tsx
@@ -143,7 +143,18 @@ const NodeSelector: FC<NodeSelectorProps> = ({
             onActiveTabChange={handleActiveTabChange}
             filterElem={
               <div className='relative m-2' onClick={e => e.stopPropagation()}>
-                {(activeTab === TabsEnum.Start || activeTab === TabsEnum.Blocks) && (
+                {activeTab === TabsEnum.Start && (
+                  <SearchBox
+                    search={searchText}
+                    onSearchChange={setSearchText}
+                    tags={tags}
+                    onTagsChange={setTags}
+                    size='small'
+                    placeholder={searchPlaceholder}
+                    inputClassName='grow'
+                  />
+                )}
+                {activeTab === TabsEnum.Blocks && (
                   <Input
                     showLeftIcon
                     showClearIcon
@@ -161,7 +172,7 @@ const NodeSelector: FC<NodeSelectorProps> = ({
                     tags={tags}
                     onTagsChange={setTags}
                     size='small'
-                    placeholder={t('plugin.searchTools')!}
+                    placeholder={searchPlaceholder}
                     inputClassName='grow'
                   />
                 )}
diff --git a/web/app/components/workflow/block-selector/start-blocks.tsx b/web/app/components/workflow/block-selector/start-blocks.tsx
index 35d6aefeb7..8cbbb110a0 100644
--- a/web/app/components/workflow/block-selector/start-blocks.tsx
+++ b/web/app/components/workflow/block-selector/start-blocks.tsx
@@ -1,6 +1,7 @@
 import {
   memo,
   useCallback,
+  useEffect,
   useMemo,
 } from 'react'
 import { useNodes } from 'reactflow'
@@ -17,12 +18,14 @@ type StartBlocksProps = {
   searchText: string
   onSelect: (type: BlockEnum, tool?: ToolDefaultValue) => void
   availableBlocksTypes?: BlockEnum[]
+  onContentStateChange?: (hasContent: boolean) => void
 }
 
 const StartBlocks = ({
   searchText,
   onSelect,
   availableBlocksTypes = [],
+  onContentStateChange,
 }: StartBlocksProps) => {
   const { t } = useTranslation()
   const nodes = useNodes()
@@ -48,6 +51,10 @@ const StartBlocks = ({
 
   const isEmpty = filteredBlocks.length === 0
 
+  useEffect(() => {
+    onContentStateChange?.(!isEmpty)
+  }, [isEmpty, onContentStateChange])
+
   const renderBlock = useCallback((block: typeof START_BLOCKS[0]) => (
     <Tooltip
       key={block.type}
@@ -84,27 +91,23 @@ const StartBlocks = ({
     </Tooltip>
   ), [nodesExtraData, onSelect, t])
 
+  if (isEmpty)
+    return null
+
   return (
-    <div className='min-w-[400px] max-w-[500px] p-1'>
-      {isEmpty && (
-        <div className='flex h-[22px] items-center px-3 text-xs font-medium text-text-tertiary'>
-          {t('workflow.tabs.noResult')}
-        </div>
-      )}
-      {!isEmpty && (
-        <div className='mb-1'>
-          {filteredBlocks.map((block, index) => (
-            <div key={block.type}>
-              {renderBlock(block)}
-              {block.type === BlockEnumValues.Start && index < filteredBlocks.length - 1 && (
-                <div className='my-1 px-3'>
-                  <div className='border-t border-divider-subtle' />
-                </div>
-              )}
-            </div>
-          ))}
-        </div>
-      )}
+    <div className='p-1'>
+      <div className='mb-1'>
+        {filteredBlocks.map((block, index) => (
+          <div key={block.type}>
+            {renderBlock(block)}
+            {block.type === BlockEnumValues.Start && index < filteredBlocks.length - 1 && (
+              <div className='my-1 px-3'>
+                <div className='border-t border-divider-subtle' />
+              </div>
+            )}
+          </div>
+        ))}
+      </div>
     </div>
   )
 }
diff --git a/web/app/components/workflow/block-selector/tabs.tsx b/web/app/components/workflow/block-selector/tabs.tsx
index 3d628688c4..3842dfa6c2 100644
--- a/web/app/components/workflow/block-selector/tabs.tsx
+++ b/web/app/components/workflow/block-selector/tabs.tsx
@@ -72,6 +72,7 @@ const Tabs: FC<TabsProps> = ({
               searchText={searchText}
               onSelect={onSelect}
               availableBlocksTypes={availableBlocksTypes}
+              tags={tags}
             />
           </div>
         )
diff --git a/web/app/components/workflow/block-selector/trigger-plugin-selector.tsx b/web/app/components/workflow/block-selector/trigger-plugin-selector.tsx
index bdb96da55a..141bf318ec 100644
--- a/web/app/components/workflow/block-selector/trigger-plugin-selector.tsx
+++ b/web/app/components/workflow/block-selector/trigger-plugin-selector.tsx
@@ -7,16 +7,22 @@ import type { ToolDefaultValue } from './types'
 type TriggerPluginSelectorProps = {
   onSelect: (type: BlockEnum, tool?: ToolDefaultValue) => void
   searchText: string
+  onContentStateChange?: (hasContent: boolean) => void
+  tags?: string[]
 }
 
 const TriggerPluginSelector = ({
   onSelect,
   searchText,
+  onContentStateChange,
+  tags = [],
 }: TriggerPluginSelectorProps) => {
   return (
     <TriggerPluginList
       onSelect={onSelect}
       searchText={searchText}
+      onContentStateChange={onContentStateChange}
+      tags={tags}
     />
   )
 }
diff --git a/web/app/components/workflow/block-selector/trigger-plugin/list.tsx b/web/app/components/workflow/block-selector/trigger-plugin/list.tsx
index 293a516f3f..4bcb93a6aa 100644
--- a/web/app/components/workflow/block-selector/trigger-plugin/list.tsx
+++ b/web/app/components/workflow/block-selector/trigger-plugin/list.tsx
@@ -1,5 +1,5 @@
 'use client'
-import { memo, useMemo } from 'react'
+import { memo, useEffect, useMemo } from 'react'
 import { useAllBuiltInTools } from '@/service/use-tools'
 import TriggerPluginItem from './item'
 import type { BlockEnum } from '../../types'
@@ -9,11 +9,15 @@ import { useGetLanguage } from '@/context/i18n'
 type TriggerPluginListProps = {
   onSelect: (type: BlockEnum, tool?: ToolDefaultValue) => void
   searchText: string
+  onContentStateChange?: (hasContent: boolean) => void
+  tags?: string[]
 }
 
 const TriggerPluginList = ({
   onSelect,
   searchText,
+  onContentStateChange,
+  tags = [],
 }: TriggerPluginListProps) => {
   const { data: buildInTools = [] } = useAllBuiltInTools()
   const language = useGetLanguage()
@@ -22,16 +26,26 @@ const TriggerPluginList = ({
     return buildInTools.filter((toolWithProvider) => {
       if (toolWithProvider.tools.length === 0) return false
 
-      if (!searchText) return true
+      // Filter by search text
+      if (searchText) {
+        const matchesSearch = toolWithProvider.name.toLowerCase().includes(searchText.toLowerCase())
+          || toolWithProvider.tools.some(tool =>
+            tool.label[language].toLowerCase().includes(searchText.toLowerCase()),
+          )
+        if (!matchesSearch) return false
+      }
 
-      return toolWithProvider.name.toLowerCase().includes(searchText.toLowerCase())
-        || toolWithProvider.tools.some(tool =>
-          tool.label[language].toLowerCase().includes(searchText.toLowerCase()),
-        )
+      return true
     })
   }, [buildInTools, searchText, language])
 
-  if (!triggerPlugins.length)
+  const hasContent = triggerPlugins.length > 0
+
+  useEffect(() => {
+    onContentStateChange?.(hasContent)
+  }, [hasContent, onContentStateChange])
+
+  if (!hasContent)
     return null
 
   return (
diff --git a/web/i18n/en-US/workflow.ts b/web/i18n/en-US/workflow.ts
index 6683496578..8e0e0c55e6 100644
--- a/web/i18n/en-US/workflow.ts
+++ b/web/i18n/en-US/workflow.ts
@@ -246,6 +246,8 @@ const translation = {
     'transform': 'Transform',
     'utilities': 'Utilities',
     'noResult': 'No match found',
+    'noPluginsFound': 'No plugins were found',
+    'requestToCommunity': 'Requests to the community',
     'agent': 'Agent Strategy',
     'allAdded': 'All added',
     'addAll': 'Add all',
diff --git a/web/i18n/ja-JP/workflow.ts b/web/i18n/ja-JP/workflow.ts
index 93d2e2bf01..28a29dc610 100644
--- a/web/i18n/ja-JP/workflow.ts
+++ b/web/i18n/ja-JP/workflow.ts
@@ -244,6 +244,8 @@ const translation = {
     'transform': '変換',
     'utilities': 'ツール',
     'noResult': '該当なし',
+    'noPluginsFound': 'プラグインが見つかりません',
+    'requestToCommunity': 'コミュニティにリクエスト',
     'plugin': 'プラグイン',
     'agent': 'エージェント戦略',
     'addAll': 'すべてを追加する',
diff --git a/web/i18n/zh-Hans/workflow.ts b/web/i18n/zh-Hans/workflow.ts
index b49af48482..16c5347c82 100644
--- a/web/i18n/zh-Hans/workflow.ts
+++ b/web/i18n/zh-Hans/workflow.ts
@@ -245,6 +245,8 @@ const translation = {
     'transform': '转换',
     'utilities': '工具',
     'noResult': '未找到匹配项',
+    'noPluginsFound': '未找到插件',
+    'requestToCommunity': '向社区反馈',
     'agent': 'Agent 策略',
     'allAdded': '已添加全部',
     'addAll': '添加全部',