FEAT: NEW WORKFLOW ENGINE (#3160)

Co-authored-by: Joel <iamjoel007@gmail.com>
Co-authored-by: Yeuoly <admin@srmxy.cn>
Co-authored-by: JzoNg <jzongcode@gmail.com>
Co-authored-by: StyleZhang <jasonapring2015@outlook.com>
Co-authored-by: jyong <jyong@dify.ai>
Co-authored-by: nite-knite <nkCoding@gmail.com>
Co-authored-by: jyong <718720800@qq.com>

web/app/components/workflow/operator/index.tsx

@@ -0,0 +1,55 @@
+import { memo } from 'react'
+import { useTranslation } from 'react-i18next'
+import { MiniMap } from 'reactflow'
+import {
+  useNodesReadOnly,
+  useWorkflow,
+} from '../hooks'
+import ZoomInOut from './zoom-in-out'
+import { OrganizeGrid } from '@/app/components/base/icons/src/vender/line/layout'
+import TooltipPlus from '@/app/components/base/tooltip-plus'
+
+const Operator = () => {
+  const { t } = useTranslation()
+  const { handleLayout } = useWorkflow()
+  const {
+    nodesReadOnly,
+    getNodesReadOnly,
+  } = useNodesReadOnly()
+
+  const goLayout = () => {
+    if (getNodesReadOnly())
+      return
+    handleLayout()
+  }
+
+  return (
+    <div className={`
+      absolute left-6 bottom-6 z-[9]
+    `}>
+      <MiniMap
+        style={{
+          width: 128,
+          height: 80,
+        }}
+        className='!static !m-0 !w-[128px] !h-[80px] !border-[0.5px] !border-black/[0.08] !rounded-lg !shadow-lg'
+      />
+      <div className='flex items-center mt-1 p-0.5 rounded-lg border-[0.5px] border-gray-100 bg-white shadow-lg text-gray-500'>
+        <ZoomInOut />
+        <TooltipPlus popupContent={t('workflow.panel.organizeBlocks')}>
+          <div
+            className={`
+              ml-[1px] flex items-center justify-center w-8 h-8 cursor-pointer hover:bg-black/5 rounded-lg
+              ${nodesReadOnly && '!cursor-not-allowed opacity-50'}
+            `}
+            onClick={goLayout}
+          >
+            <OrganizeGrid className='w-4 h-4' />
+          </div>
+        </TooltipPlus>
+      </div>
+    </div>
+  )
+}
+
+export default memo(Operator)

web/app/components/workflow/operator/zoom-in-out.tsx

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+import type { FC } from 'react'
+import {
+  Fragment,
+  memo,
+  useCallback,
+  useState,
+} from 'react'
+import { useTranslation } from 'react-i18next'
+import {
+  useReactFlow,
+  useViewport,
+} from 'reactflow'
+import {
+  useNodesSyncDraft,
+  useWorkflowReadOnly,
+} from '../hooks'
+import {
+  PortalToFollowElem,
+  PortalToFollowElemContent,
+  PortalToFollowElemTrigger,
+} from '@/app/components/base/portal-to-follow-elem'
+import { SearchLg } from '@/app/components/base/icons/src/vender/line/general'
+import { ChevronDown } from '@/app/components/base/icons/src/vender/line/arrows'
+
+const ZoomInOut: FC = () => {
+  const { t } = useTranslation()
+  const {
+    zoomIn,
+    zoomOut,
+    zoomTo,
+    fitView,
+  } = useReactFlow()
+  const { zoom } = useViewport()
+  const { handleSyncWorkflowDraft } = useNodesSyncDraft()
+  const [open, setOpen] = useState(false)
+  const {
+    workflowReadOnly,
+    getWorkflowReadOnly,
+  } = useWorkflowReadOnly()
+
+  const ZOOM_IN_OUT_OPTIONS = [
+    [
+      {
+        key: 'in',
+        text: t('workflow.operator.zoomIn'),
+      },
+      {
+        key: 'out',
+        text: t('workflow.operator.zoomOut'),
+      },
+    ],
+    [
+      {
+        key: 'to50',
+        text: t('workflow.operator.zoomTo50'),
+      },
+      {
+        key: 'to100',
+        text: t('workflow.operator.zoomTo100'),
+      },
+    ],
+    [
+      {
+        key: 'fit',
+        text: t('workflow.operator.zoomToFit'),
+      },
+    ],
+  ]
+
+  const handleZoom = (type: string) => {
+    if (workflowReadOnly)
+      return
+
+    if (type === 'in')
+      zoomIn()
+
+    if (type === 'out')
+      zoomOut()
+
+    if (type === 'fit')
+      fitView()
+
+    if (type === 'to50')
+      zoomTo(0.5)
+
+    if (type === 'to100')
+      zoomTo(1)
+
+    handleSyncWorkflowDraft()
+  }
+
+  const handleTrigger = useCallback(() => {
+    if (getWorkflowReadOnly())
+      return
+
+    setOpen(v => !v)
+  }, [getWorkflowReadOnly])
+
+  return (
+    <PortalToFollowElem
+      placement='top-start'
+      open={open}
+      onOpenChange={setOpen}
+      offset={{
+        mainAxis: 4,
+        crossAxis: -2,
+      }}
+    >
+      <PortalToFollowElemTrigger asChild onClick={handleTrigger}>
+        <div className={`
+          flex items-center px-2 h-8 cursor-pointer text-[13px] hover:bg-gray-50 rounded-lg
+          ${open && 'bg-gray-50'}
+          ${workflowReadOnly && '!cursor-not-allowed opacity-50'}
+        `}>
+          <SearchLg className='mr-1 w-4 h-4' />
+          <div className='w-[34px]'>{parseFloat(`${zoom * 100}`).toFixed(0)}%</div>
+          <ChevronDown className='ml-1 w-4 h-4' />
+        </div>
+      </PortalToFollowElemTrigger>
+      <PortalToFollowElemContent className='z-10'>
+        <div className='w-[168px] rounded-lg border-[0.5px] border-gray-200 bg-white shadow-lg'>
+          {
+            ZOOM_IN_OUT_OPTIONS.map((options, i) => (
+              <Fragment key={i}>
+                {
+                  i !== 0 && (
+                    <div className='h-[1px] bg-gray-100' />
+                  )
+                }
+                <div className='p-1'>
+                  {
+                    options.map(option => (
+                      <div
+                        key={option.key}
+                        className='flex items-center px-3 h-8 rounded-lg hover:bg-gray-50 cursor-pointer text-sm text-gray-700'
+                        onClick={() => handleZoom(option.key)}
+                      >
+                        {option.text}
+                      </div>
+                    ))
+                  }
+                </div>
+              </Fragment>
+            ))
+          }
+        </div>
+      </PortalToFollowElemContent>
+    </PortalToFollowElem>
+  )
+}
+
+export default memo(ZoomInOut)