feat: 新增多步表单控件

src/components/common/multi-step-form-dialog.tsx

@@ -1,6 +1,6 @@
 'use client'
 
-import React, { createContext, useContext, useState, useEffect, useRef } from 'react'
+import React, { createContext, useContext, useEffect, useRef, useState } from 'react'
 import { UseFormReturn, ControllerRenderProps } from 'react-hook-form'
 import { Button } from '@/components/ui/button'
 import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogDescription } from '@/components/ui/dialog'
@@ -19,20 +19,43 @@ import {
   FormLabel,
   FormMessage,
 } from '@/components/ui/form'
-import { ChevronLeft, ChevronRight } from 'lucide-react'
 import { useIsMobile } from '@/hooks/use-mobile'
 import { cn } from '@/lib/utils'
+import { Loader2, ChevronLeft, ChevronRight, Check } from 'lucide-react'
+import { Skeleton } from '@/components/ui/skeleton'
+
+// 字段配置类型定义
+export interface StepFieldConfig {
+  name: string
+  label: string
+  required?: boolean
+  render: (props: { field: ControllerRenderProps<any, any> }) => React.ReactNode
+  className?: string
+}
+
+// 步骤配置类型定义
+export interface StepConfig {
+  name: string
+  title: string
+  description?: string
+  fields: StepFieldConfig[]
+  className?: string  // 步骤内容区域的网格样式
+}
 
 // MultiStepFormDialog Context
 export interface MultiStepFormDialogContextValue {
-  onCancel: () => void
-  onPrevious: () => void
-  onNext: () => void
-  isSubmitting: boolean
-  isValidating: boolean
-  submitButtonText: string
+  form: UseFormReturn<any>
+  close: () => void
+  steps: StepConfig[]
+  currentStep: number
+  totalSteps: number
   isFirstStep: boolean
   isLastStep: boolean
+  goToStep: (step: number) => void
+  goNext: () => void
+  goPrev: () => void
+  isLoading?: boolean
+  canGoNext: () => Promise<boolean>
 }
 
 const MultiStepFormDialogContext = createContext<MultiStepFormDialogContextValue | null>(null)
@@ -45,223 +68,99 @@ export function useMultiStepFormDialogContext() {
   return context
 }
 
-// 字段配置类型定义
-export interface FormFieldConfig {
-  name: string
-  label: string
-  required?: boolean
-  render: (props: { field: ControllerRenderProps<any, any> }) => React.ReactNode // 将...field传递给UI控件交给react-hook-form管理
-  className?: string // 允许为单个字段指定自定义样式
+// 步骤指示器组件
+export interface StepIndicatorProps {
+  className?: string
+  showLabels?: boolean
+  clickable?: boolean
 }
 
-// 步骤配置类型定义
-export interface StepConfig {
-  title: string
-  description?: string
-  fields: FormFieldConfig[]
-}
-
-// 多步骤表单操作按钮栏组件
-export function MultiStepFormActionBar() {
-  const {
-    onCancel,
-    onPrevious,
-    onNext,
-    isSubmitting,
-    isValidating,
-    submitButtonText,
-    isFirstStep,
-    isLastStep
-  } = useMultiStepFormDialogContext()
+export function StepIndicator({ className, showLabels = false, clickable = false }: StepIndicatorProps) {
+  const { steps, currentStep, goToStep, isLoading } = useMultiStepFormDialogContext()
 
   return (
-    <div className="flex justify-between pt-6 border-t">
-      <div className="flex space-x-2">
-        <Button type="button" variant="outline" onClick={onCancel}>
-          取消
-        </Button>
-      </div>
+    <div className={cn("flex items-center justify-center gap-2", className)}>
+      {steps.map((step, index) => {
+        const isCompleted = index < currentStep
+        const isCurrent = index === currentStep
+        const isClickable = clickable && !isLoading && index <= currentStep
 
-      <div className="flex space-x-2">
-        {!isFirstStep && (
-          <Button
-            type="button"
-            variant="outline"
-            onClick={onPrevious}
-            disabled={isSubmitting}
-          >
-            <ChevronLeft className="w-4 h-4 mr-1" />
-            上一步
-          </Button>
+        return (
+          <React.Fragment key={step.name}>
+            {index > 0 && (
+              <div
+                className={cn(
+                  "h-0.5 w-8 transition-colors",
+                  index <= currentStep ? "bg-primary" : "bg-muted"
                 )}
-        {!isLastStep && (
-          <Button
-            type="button"
-            onClick={onNext}
-            disabled={isSubmitting || isValidating}
-          >
-            {isValidating ? '验证中...' : '下一步'}
-            <ChevronRight className="w-4 h-4 ml-1" />
-          </Button>
+              />
+            )}
+            <button
+              type="button"
+              disabled={!isClickable}
+              onClick={() => isClickable && goToStep(index)}
+              className={cn(
+                "flex items-center gap-2 transition-colors",
+                isClickable && "cursor-pointer hover:opacity-80",
+                !isClickable && "cursor-default"
               )}
-        <Button
-          type="submit"
-          disabled={isSubmitting}
-          className={!isLastStep ? 'hidden' : ''}
             >
-          {isSubmitting ? `${submitButtonText}中...` : submitButtonText}
-        </Button>
+              <div
+                className={cn(
+                  "flex h-8 w-8 items-center justify-center rounded-full border-2 text-sm font-medium transition-colors",
+                  isCompleted && "border-primary bg-primary text-primary-foreground",
+                  isCurrent && "border-primary text-primary",
+                  !isCompleted && !isCurrent && "border-muted text-muted-foreground"
+                )}
+              >
+                {isCompleted ? <Check className="h-4 w-4" /> : index + 1}
               </div>
+              {showLabels && (
+                <span
+                  className={cn(
+                    "text-sm font-medium hidden sm:inline",
+                    isCurrent && "text-primary",
+                    !isCurrent && "text-muted-foreground"
+                  )}
+                >
+                  {step.title}
+                </span>
+              )}
+            </button>
+          </React.Fragment>
+        )
+      })}
     </div>
   )
 }
 
-export interface MultiStepFormDialogProps {
-  isOpen: boolean
-  title: string
-  description: string
-  form: UseFormReturn<any>
-  onSubmit: (data: any) => Promise<void> | void
-  steps: StepConfig[]
-  contentClassName?: string
-  gridClassName?: string
-
-  /* action */
-  onClose: () => void
-  isSubmitting: boolean
-  submitButtonText: string
+// 步骤内容组件
+export interface StepContentProps {
+  className?: string
 }
 
-export function MultiStepFormDialog({
-  isOpen,
-  title,
-  description,
-  form,
-  onSubmit,
-  steps,
-  contentClassName = 'max-w-4xl',
-  gridClassName = 'grid grid-cols-1 md:grid-cols-2 gap-4',
-  onClose,
-  isSubmitting,
-  submitButtonText,
-}: MultiStepFormDialogProps) {
-  const isMobile = useIsMobile()
-  const [currentStep, setCurrentStep] = useState(0)
-  const [isValidating, setIsValidating] = useState(false)
-  const formRef = useRef<HTMLFormElement>(null)
-
-  // 当对话框打开或步骤改变时，自动聚焦到第一个表单输入控件
-  useEffect(() => {
-    if (isOpen) {
-      // 使当前拥有焦点的元素（通常是用来触发打开这个drawer的控件）失去焦点，不然控制台会警告焦点在一个要被隐藏于屏幕阅读器的控件上
-      (document.activeElement as HTMLElement)?.blur()
-      // 使用 setTimeout 确保 DOM 已完全渲染
-      const timer = setTimeout(() => {
-        if (formRef.current) {
-          // 查找第一个可聚焦的输入元素
-          const firstInput = formRef.current.querySelector<HTMLElement>(
-            'input:not([type="hidden"]):not([disabled]), textarea:not([disabled]), select:not([disabled]), button[role="combobox"]:not([disabled])'
-          )
-          if (firstInput) {
-            firstInput.focus()
-          }
-        }
-      }, 100)
-
-      return () => clearTimeout(timer)
-    }
-  }, [isOpen, currentStep])
-
-  const handleSubmit = async (data: any) => {
-    await onSubmit(data)
-  }
-
-  const handleClose = () => {
-    setCurrentStep(0)
-    onClose()
-  }
-
-  const handleNext = async () => {
-    if (currentStep < steps.length - 1) {
-      setIsValidating(true)
-      try {
-        // 验证当前步骤的字段，只有验证通过才能跳转到下一步
-        const currentStepFields = currentStepConfig.fields.map(field => field.name)
-        const isValid = await form.trigger(currentStepFields)
-        if (isValid) {
-          setCurrentStep(currentStep + 1)
-        }
-      } finally {
-        setIsValidating(false)
-      }
-    }
-  }
-
-  const handlePrevious = () => {
-    if (currentStep > 0) {
-      setCurrentStep(currentStep - 1)
-    }
-  }
-
-  const isFirstStep = currentStep === 0
-  const isLastStep = currentStep === steps.length - 1
+export function StepContent({ className = 'grid grid-cols-1 gap-4' }: StepContentProps) {
+  const { form, steps, currentStep, isLoading } = useMultiStepFormDialogContext()
   const currentStepConfig = steps[currentStep]
 
-  // 步骤指示器组件
-  const stepIndicator = (
-    <div className="flex items-center justify-between mb-6">
-      {steps.map((step, index) => (
-        <div key={index} className="flex items-center">
-          <div
-            className={`w-8 h-8 rounded-full flex items-center justify-center text-sm font-medium ${
-              index <= currentStep
-                ? 'bg-primary text-primary-foreground'
-                : 'bg-muted text-muted-foreground'
-            }`}
-          >
-            {index + 1}
-          </div>
-          <div className="ml-2 text-sm">
-            <div className={index <= currentStep ? 'text-primary font-medium' : 'text-muted-foreground'}>
-              {step.title}
-            </div>
-          </div>
-          {index < steps.length - 1 && (
-            <div className={`w-12 h-0.5 mx-4 ${index < currentStep ? 'bg-primary' : 'bg-muted'}`} />
-          )}
+  if (!currentStepConfig) return null
+
+  // 如果正在加载，显示骨架屏
+  if (isLoading) {
+    return (
+      <div className={cn("p-1", className, currentStepConfig.className)}>
+        {currentStepConfig.fields.map((fieldConfig) => (
+          <div key={fieldConfig.name} className={cn("space-y-2", fieldConfig.className || '')}>
+            <Skeleton className="h-4 w-20" />
+            <Skeleton className="h-10 w-full" />
           </div>
         ))}
       </div>
     )
-
-  // Context 值
-  const contextValue: MultiStepFormDialogContextValue = {
-    onCancel: handleClose,
-    onPrevious: handlePrevious,
-    onNext: handleNext,
-    isSubmitting,
-    isValidating,
-    submitButtonText,
-    isFirstStep,
-    isLastStep
   }
 
-  // 表单内容组件
-  const formContent = (
-    <MultiStepFormDialogContext.Provider value={contextValue}>
-      <div className="space-y-4">
-        <Form {...form}>
-          <form ref={formRef} onSubmit={form.handleSubmit(handleSubmit)} className="space-y-6">
-            {/* 当前步骤标题和描述 */}
-            <div className="border-b pb-4">
-              <h3 className="text-lg font-medium">{currentStepConfig.title}</h3>
-              {currentStepConfig.description && (
-                <p className="text-sm text-muted-foreground mt-1">{currentStepConfig.description}</p>
-              )}
-            </div>
-
-            {/* 当前步骤的字段 */}
-            <div className={cn("p-1", gridClassName)}>
+  return (
+    <div className={cn("p-1", className, currentStepConfig.className)}>
       {currentStepConfig.fields.map((fieldConfig) => (
         <FormField
           key={fieldConfig.name}
@@ -282,26 +181,345 @@ export function MultiStepFormDialog({
         />
       ))}
     </div>
+  )
+}
 
-            {/* 操作按钮 */}
-            <MultiStepFormActionBar />
+// 步骤标题组件（显示当前步骤的标题和描述）
+export interface StepHeaderProps {
+  className?: string
+}
+
+export function StepHeader({ className }: StepHeaderProps) {
+  const { steps, currentStep } = useMultiStepFormDialogContext()
+  const currentStepConfig = steps[currentStep]
+
+  if (!currentStepConfig) return null
+
+  return (
+    <div className={cn("space-y-1", className)}>
+      <h4 className="font-medium">{currentStepConfig.title}</h4>
+      {currentStepConfig.description && (
+        <p className="text-sm text-muted-foreground">{currentStepConfig.description}</p>
+      )}
+    </div>
+  )
+}
+
+// 上一步按钮组件
+export interface PrevStepActionProps extends Omit<React.ComponentProps<typeof Button>, 'onClick' | 'type'> {
+  children?: React.ReactNode
+  onPrev?: () => void
+}
+
+export function PrevStepAction({
+  children,
+  variant = 'outline',
+  onPrev,
+  ...props
+}: PrevStepActionProps) {
+  const { goPrev, isFirstStep, isLoading } = useMultiStepFormDialogContext()
+
+  const handleClick = () => {
+    if (onPrev) {
+      onPrev()
+    } else {
+      goPrev()
+    }
+  }
+
+  return (
+    <Button
+      type="button"
+      variant={variant}
+      onClick={handleClick}
+      disabled={isFirstStep || isLoading || props.disabled}
+      {...props}
+    >
+      {children ?? (
+        <>
+          <ChevronLeft className="mr-1 h-4 w-4" />
+          上一步
+        </>
+      )}
+    </Button>
+  )
+}
+
+// 下一步按钮组件
+export interface NextStepActionProps extends Omit<React.ComponentProps<typeof Button>, 'onClick' | 'type'> {
+  children?: React.ReactNode
+  onNext?: () => Promise<boolean> | boolean
+  validateCurrentStep?: boolean
+}
+
+export function NextStepAction({
+  children,
+  variant = 'default',
+  onNext,
+  validateCurrentStep = true,
+  ...props
+}: NextStepActionProps) {
+  const { goNext, isLastStep, isLoading, canGoNext } = useMultiStepFormDialogContext()
+  const [isValidating, setIsValidating] = useState(false)
+
+  const handleClick = async () => {
+    setIsValidating(true)
+    try {
+      if (validateCurrentStep) {
+        const canProceed = await canGoNext()
+        if (!canProceed) {
+          return
+        }
+      }
+
+      if (onNext) {
+        const shouldProceed = await onNext()
+        if (!shouldProceed) {
+          return
+        }
+      }
+
+      goNext()
+    } finally {
+      setIsValidating(false)
+    }
+  }
+
+  if (isLastStep) return null
+
+  return (
+    <Button
+      type="button"
+      variant={variant}
+      onClick={handleClick}
+      disabled={isLoading || isValidating || props.disabled}
+      {...props}
+    >
+      {children ?? (
+        <>
+          下一步
+          <ChevronRight className="ml-1 h-4 w-4" />
+        </>
+      )}
+      {isValidating && <Loader2 className="ml-2 h-4 w-4 animate-spin" />}
+    </Button>
+  )
+}
+
+// 取消按钮组件
+export interface StepCancelActionProps extends Omit<React.ComponentProps<typeof Button>, 'onClick' | 'type'> {
+  children?: React.ReactNode
+  onCancel?: () => void
+}
+
+export function StepCancelAction({ children = '取消', variant = 'outline', onCancel, ...props }: StepCancelActionProps) {
+  const { close } = useMultiStepFormDialogContext()
+
+  const handleClick = () => {
+    if (onCancel) {
+      onCancel()
+    } else {
+      close()
+    }
+  }
+
+  return (
+    <Button type="button" variant={variant} onClick={handleClick} disabled={props.disabled} {...props}>
+      {children}
+    </Button>
+  )
+}
+
+// 提交按钮组件（仅在最后一步显示）
+export interface StepSubmitActionProps extends Omit<React.ComponentProps<typeof Button>, 'onClick' | 'type'> {
+  onSubmit: (data: any) => Promise<void> | void
+  children?: React.ReactNode
+  disabled?: boolean
+  isSubmitting?: boolean
+  showSpinningLoader?: boolean
+  showOnlyOnLastStep?: boolean
+}
+
+export function StepSubmitAction({
+  onSubmit,
+  children = '提交',
+  disabled = false,
+  isSubmitting = false,
+  showSpinningLoader = true,
+  showOnlyOnLastStep = true,
+  variant = 'default',
+  ...props
+}: StepSubmitActionProps) {
+  const { form, isLastStep, isLoading } = useMultiStepFormDialogContext()
+
+  if (showOnlyOnLastStep && !isLastStep) return null
+
+  return (
+    <Button
+      type="button"
+      variant={variant}
+      onClick={form.handleSubmit(onSubmit)}
+      disabled={isSubmitting || disabled || isLoading}
+      {...props}
+    >
+      {children}
+      {isSubmitting && showSpinningLoader && <Loader2 className="ml-2 h-4 w-4 animate-spin" />}
+    </Button>
+  )
+}
+
+// 操作按钮栏组件
+export interface StepActionBarProps {
+  children?: React.ReactNode
+  className?: string
+}
+
+export function StepActionBar({ children, className }: StepActionBarProps) {
+  return (
+    <div className={cn("flex justify-between", className)}>
+      {children}
+    </div>
+  )
+}
+
+// 左侧操作区
+export function StepActionBarLeft({ children, className }: { children?: React.ReactNode; className?: string }) {
+  return <div className={cn("flex gap-2", className)}>{children}</div>
+}
+
+// 右侧操作区
+export function StepActionBarRight({ children, className }: { children?: React.ReactNode; className?: string }) {
+  return <div className={cn("flex gap-2", className)}>{children}</div>
+}
+
+// 主对话框组件
+export interface MultiStepFormDialogProps {
+  isOpen: boolean
+  title: string
+  description: string
+  form: UseFormReturn<any>
+  steps: StepConfig[]
+  onClose: () => void
+  className?: string
+  formClassName?: string
+  children: React.ReactNode
+  isLoading?: boolean
+  initialStep?: number
+}
+
+export function MultiStepFormDialog({
+  isOpen,
+  title,
+  description,
+  form,
+  steps,
+  onClose,
+  className = 'max-w-lg',
+  formClassName,
+  children,
+  isLoading = false,
+  initialStep = 0,
+}: MultiStepFormDialogProps) {
+  const isMobile = useIsMobile()
+  const formRef = useRef<HTMLFormElement>(null)
+  const [currentStep, setCurrentStep] = useState(initialStep)
+
+  // 重置步骤当对话框关闭或重新打开时
+  useEffect(() => {
+    if (isOpen) {
+      setCurrentStep(initialStep)
+    }
+  }, [isOpen, initialStep])
+
+  // 当对话框打开或步骤变化时，自动聚焦到第一个表单输入控件
+  useEffect(() => {
+    if (isOpen && !isLoading) {
+      (document.activeElement as HTMLElement)?.blur()
+      const timer = setTimeout(() => {
+        if (formRef.current) {
+          const firstInput = formRef.current.querySelector<HTMLElement>(
+            'input:not([type="hidden"]):not([disabled]), textarea:not([disabled]), select:not([disabled]), button[role="combobox"]:not([disabled])'
+          )
+          if (firstInput) {
+            firstInput.focus()
+          }
+        }
+      }, 100)
+
+      return () => clearTimeout(timer)
+    }
+  }, [isOpen, isLoading, currentStep])
+
+  const close = () => {
+    onClose()
+  }
+
+  const totalSteps = steps.length
+  const isFirstStep = currentStep === 0
+  const isLastStep = currentStep === totalSteps - 1
+
+  const goToStep = (step: number) => {
+    if (step >= 0 && step < totalSteps) {
+      setCurrentStep(step)
+    }
+  }
+
+  const goNext = () => {
+    if (!isLastStep) {
+      setCurrentStep((prev) => prev + 1)
+    }
+  }
+
+  const goPrev = () => {
+    if (!isFirstStep) {
+      setCurrentStep((prev) => prev - 1)
+    }
+  }
+
+  // 验证当前步骤的字段
+  const canGoNext = async (): Promise<boolean> => {
+    const currentStepConfig = steps[currentStep]
+    if (!currentStepConfig) return true
+
+    const fieldNames = currentStepConfig.fields.map((f) => f.name)
+    const result = await form.trigger(fieldNames as any)
+    return result
+  }
+
+  const contextValue: MultiStepFormDialogContextValue = {
+    form,
+    close,
+    steps,
+    currentStep,
+    totalSteps,
+    isFirstStep,
+    isLastStep,
+    goToStep,
+    goNext,
+    goPrev,
+    isLoading,
+    canGoNext,
+  }
+
+  const formContent = (
+    <MultiStepFormDialogContext.Provider value={contextValue}>
+      <Form {...form}>
+        <form ref={formRef} className={cn("space-y-6", formClassName)}>
+          {children}
         </form>
       </Form>
-      </div>
     </MultiStepFormDialogContext.Provider>
   )
 
-  // 根据设备类型渲染不同的组件
   if (isMobile) {
     return (
-      <Drawer open={isOpen} onOpenChange={handleClose}>
-        <DrawerContent>
+      <Drawer open={isOpen} onOpenChange={(open) => !open && close()}>
+        <DrawerContent className={className}>
           <DrawerHeader>
             <DrawerTitle>{title}</DrawerTitle>
             <DrawerDescription>{description}</DrawerDescription>
           </DrawerHeader>
           <div className="px-4 pb-4 overflow-y-auto max-h-[70vh]">
-            {stepIndicator}
             {formContent}
           </div>
         </DrawerContent>
@@ -310,14 +528,13 @@ export function MultiStepFormDialog({
   }
 
   return (
-    <Dialog open={isOpen} onOpenChange={handleClose}>
-      <DialogContent className={contentClassName}>
+    <Dialog open={isOpen} onOpenChange={(open) => !open && close()}>
+      <DialogContent className={className} showCloseButton={false}>
         <DialogHeader>
           <DialogTitle>{title}</DialogTitle>
           <DialogDescription>{description}</DialogDescription>
         </DialogHeader>
-        {stepIndicator}
-        <div className='overflow-y-auto max-h-[70vh]'>
+        <div className="overflow-y-auto max-h-[70vh]">
           {formContent}
         </div>
       </DialogContent>