feat: add zoom controls and reset functionality to workflow editor toolbar

web/app/dashboard/ai-workflows/_components/workflow-editor-toolbar.tsx

@@ -3,6 +3,9 @@
 import type { ReactNode } from "react"
 import {
   CheckCircle2Icon,
+  Maximize2Icon,
+  MinusIcon,
+  PlusIcon,
   RotateCcwIcon,
   SaveIcon,
   SendIcon,
@@ -11,6 +14,7 @@ import {
 } from "lucide-react"
 
 import { Button } from "@/components/ui/button"
+import { Tooltip, TooltipContent, TooltipTrigger } from "@/components/ui/tooltip"
 import { cn } from "@/lib/utils"
 
 import type { WorkflowDraftValidation } from "./workflow-utils"
@@ -26,6 +30,11 @@ export function WorkflowEditorToolbar({
   redoDisabled = false,
   onAutoLayout,
   autoLayoutDisabled = false,
+  zoomPercent,
+  onZoomIn,
+  onZoomOut,
+  onResetZoom,
+  onFitView,
   onRestoreDefault,
   restoreDefaultDisabled = false,
   onValidate,
@@ -45,6 +54,11 @@ export function WorkflowEditorToolbar({
   redoDisabled?: boolean
   onAutoLayout?: () => void
   autoLayoutDisabled?: boolean
+  zoomPercent?: string
+  onZoomIn?: () => void
+  onZoomOut?: () => void
+  onResetZoom?: () => void
+  onFitView?: () => void
   onRestoreDefault?: () => void
   restoreDefaultDisabled?: boolean
   onValidate?: () => void
@@ -72,6 +86,35 @@ export function WorkflowEditorToolbar({
       </div>
       <div className="flex items-center gap-1">
         {toolbarExtra}
+        <div className="flex h-7 items-center rounded-lg border bg-muted/30 p-0.5">
+          <WorkflowToolbarIconButton label="缩小" onClick={onZoomOut}>
+            <MinusIcon className="size-3.5" />
+          </WorkflowToolbarIconButton>
+          <Tooltip>
+            <TooltipTrigger
+              render={
+                <Button
+                  type="button"
+                  variant="ghost"
+                  size="sm"
+                  className="h-6 w-12 px-1 text-xs tabular-nums"
+                  aria-label="重置为 100%"
+                  disabled={!onResetZoom}
+                  onClick={onResetZoom}
+                />
+              }
+            >
+              {zoomPercent ?? "100%"}
+            </TooltipTrigger>
+            <TooltipContent>重置为 100%</TooltipContent>
+          </Tooltip>
+          <WorkflowToolbarIconButton label="放大" onClick={onZoomIn}>
+            <PlusIcon className="size-3.5" />
+          </WorkflowToolbarIconButton>
+          <WorkflowToolbarIconButton label="适配画布" onClick={onFitView}>
+            <Maximize2Icon className="size-3.5" />
+          </WorkflowToolbarIconButton>
+        </div>
         <Button type="button" variant="ghost" size="sm" className="h-7 px-2 text-xs" disabled={undoDisabled} onClick={onUndo}>
           <Undo2Icon className="size-3.5" />
           撤销
@@ -102,3 +145,34 @@ export function WorkflowEditorToolbar({
     </div>
   )
 }
+
+function WorkflowToolbarIconButton({
+  label,
+  onClick,
+  children,
+}: {
+  label: string
+  onClick?: () => void
+  children: ReactNode
+}) {
+  return (
+    <Tooltip>
+      <TooltipTrigger
+        render={
+          <Button
+            type="button"
+            variant="ghost"
+            size="icon-xs"
+            className="size-6"
+            aria-label={label}
+            disabled={!onClick}
+            onClick={onClick}
+          />
+        }
+      >
+        {children}
+      </TooltipTrigger>
+      <TooltipContent>{label}</TooltipContent>
+    </Tooltip>
+  )
+}

web/app/dashboard/ai-workflows/_components/workflow-editor.tsx

@@ -191,6 +191,7 @@ function WorkflowEditorInner({
   const workflowDocument = useService(WorkflowDocument)
   const selectService = useService(WorkflowSelectService)
   const [autoLayouting, setAutoLayouting] = useState(false)
+  const zoomPercent = `${Math.round(playgroundTools.zoom * 100)}%`
 
   useEffect(() => {
     const disposable = selectService.onSelectionChanged(() => {
@@ -248,6 +249,12 @@ function WorkflowEditorInner({
     }
   }
 
+  const resetZoom = () => {
+    context.playground.config.updateConfig({
+      zoom: 1,
+    })
+  }
+
   const closeConfigPanel = () => {
     selectService.clear()
     onSelectNode("")
@@ -273,6 +280,11 @@ function WorkflowEditorInner({
           redoDisabled={redoDisabled}
           onAutoLayout={() => void autoLayout()}
           autoLayoutDisabled={autoLayouting || definition.nodes.length < 2}
+          zoomPercent={zoomPercent}
+          onZoomIn={() => playgroundTools.zoomin(true)}
+          onZoomOut={() => playgroundTools.zoomout(true)}
+          onResetZoom={resetZoom}
+          onFitView={() => playgroundTools.fitView(true)}
           onRestoreDefault={onRestoreDefault}
           restoreDefaultDisabled={restoreDefaultDisabled}
           onValidate={onValidate}