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feat: FaImagePreview 组件增加函数式调用
1 parent cc9bb1a commit ccb8bd9

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3 files changed

+157
-124
lines changed

3 files changed

+157
-124
lines changed

‎src/ui/components/FaImagePreview/index.ts‎

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import Preview from './preview.vue'
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export function useFaImagePreview() {
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function open(src: string) {
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const container = document.createElement('div')
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const app = createApp({
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render() {
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return h(Preview, {
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modelValue: true,
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src,
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})
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},
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})
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app.mount(container)
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}
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return {
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open,
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}
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}

‎src/ui/components/FaImagePreview/index.vue‎

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@@ -1,7 +1,7 @@
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<script setup lang="ts">
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import type { HTMLAttributes } from 'vue'
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import { cn } from '@/utils'
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import { Dialog, DialogContent } from './dialog'
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import Preview from './preview.vue'
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defineOptions({
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name: 'FaImagePreview',
@@ -21,13 +21,6 @@ const isLoading = ref(true)
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const isError = ref(false)
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const isOpen = ref(false)
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// 图片操作相关状态
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const scale = ref(1)
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const rotate = ref(0)
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const position = ref({ x: 0, y: 0 })
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const isDragging = ref(false)
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const dragStart = ref({ x: 0, y: 0 })
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function handleLoad() {
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isLoading.value = false
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emits('load')
@@ -44,87 +37,6 @@ function handleClick() {
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isOpen.value = true
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}
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}
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// 图片操作函数
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function handleZoomIn() {
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scale.value = Math.min(scale.value + 0.25, 3)
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}
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function handleZoomOut() {
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scale.value = Math.max(scale.value - 0.25, 0.5)
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}
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function handleOriginalSize() {
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scale.value = 1
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}
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function handleRotateLeft() {
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rotate.value = rotate.value - 90
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}
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function handleRotateRight() {
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rotate.value = rotate.value + 90
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}
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// 处理滚轮缩放
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function handleWheel(e: WheelEvent) {
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e.preventDefault()
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if (e.deltaY < 0) {
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handleZoomIn()
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}
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else {
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handleZoomOut()
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}
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}
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// 处理鼠标按下事件
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function handleMouseDown(e: MouseEvent) {
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isDragging.value = true
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dragStart.value = {
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x: e.clientX - position.value.x,
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y: e.clientY - position.value.y,
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}
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}
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// 处理鼠标移动事件
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function handleMouseMove(e: MouseEvent) {
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if (!isDragging.value) {
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return
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}
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position.value = {
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x: e.clientX - dragStart.value.x,
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y: e.clientY - dragStart.value.y,
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}
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}
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// 处理鼠标松开事件
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function handleMouseUp() {
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isDragging.value = false
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}
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// 重置图片状态
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function resetImageState() {
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scale.value = 1
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rotate.value = 0
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position.value = { x: 0, y: 0 }
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}
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// 监听鼠标事件
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onMounted(() => {
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window.addEventListener('mousemove', handleMouseMove)
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window.addEventListener('mouseup', handleMouseUp)
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})
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onUnmounted(() => {
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window.removeEventListener('mousemove', handleMouseMove)
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window.removeEventListener('mouseup', handleMouseUp)
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})
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function handleAnimationEnd() {
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if (!isOpen.value) {
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resetImageState()
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}
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}
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</script>
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<template>
@@ -148,40 +60,6 @@ function handleAnimationEnd() {
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<FaIcon name="i-ph:image-broken-duotone" class="size-8 text-secondary-foreground/50" />
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</slot>
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</div>
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<Dialog v-model:open="isOpen">
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<DialogContent class="size-full" @animation-end="handleAnimationEnd">
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<div class="relative size-full" @wheel="handleWheel">
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<img
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:src="src"
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class="mx-auto max-h-full max-w-full object-contain"
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:class="{
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'transition-all duration-300': !isDragging,
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}"
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:style="{
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transform: `translate(${position.x}px, ${position.y}px) scale(${scale}) rotate(${rotate}deg)`,
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cursor: isDragging ? 'grabbing' : 'grab',
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}"
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@mousedown.prevent="handleMouseDown"
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>
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<FaButtonGroup class="absolute bottom-4 left-1/2 scale-125 -translate-x-1/2">
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<FaButton variant="outline" size="icon" class="border-none bg-muted/50" @click="handleZoomIn">
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<FaIcon name="i-carbon:zoom-in" class="size-5" />
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</FaButton>
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<FaButton variant="outline" size="icon" class="border-none bg-muted/50" @click="handleZoomOut">
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<FaIcon name="i-carbon:zoom-out" class="size-5" />
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</FaButton>
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<FaButton variant="outline" size="icon" class="border-none bg-muted/50" @click="handleOriginalSize">
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<FaIcon name="i-lucide:maximize" class="size-5" />
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</FaButton>
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<FaButton variant="outline" size="icon" class="border-none bg-muted/50" @click="handleRotateLeft">
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<FaIcon name="i-carbon:rotate" class="size-5" />
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</FaButton>
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<FaButton variant="outline" size="icon" class="border-none bg-muted/50" @click="handleRotateRight">
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<FaIcon name="i-carbon:rotate-180" class="size-5" />
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</FaButton>
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</FaButtonGroup>
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</div>
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</DialogContent>
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</Dialog>
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<Preview v-model="isOpen" :src />
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</div>
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</template>

‎src/ui/components/FaImagePreview/preview.vue‎

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<script setup lang="ts">
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import { Dialog, DialogContent } from './dialog'
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defineProps<{
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src: string
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}>()
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const isOpen = defineModel<boolean>()
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// 图片操作相关状态
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const scale = ref(1)
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const rotate = ref(0)
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const position = ref({ x: 0, y: 0 })
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const isDragging = ref(false)
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const dragStart = ref({ x: 0, y: 0 })
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// 图片操作函数
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function handleZoomIn() {
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scale.value = Math.min(scale.value + 0.25, 3)
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}
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function handleZoomOut() {
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scale.value = Math.max(scale.value - 0.25, 0.5)
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}
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function handleOriginalSize() {
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scale.value = 1
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}
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function handleRotateLeft() {
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rotate.value = rotate.value - 90
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}
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function handleRotateRight() {
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rotate.value = rotate.value + 90
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}
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// 处理滚轮缩放
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function handleWheel(e: WheelEvent) {
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e.preventDefault()
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if (e.deltaY < 0) {
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handleZoomIn()
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}
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else {
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handleZoomOut()
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}
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}
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// 处理鼠标按下事件
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function handleMouseDown(e: MouseEvent) {
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isDragging.value = true
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dragStart.value = {
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x: e.clientX - position.value.x,
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y: e.clientY - position.value.y,
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}
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}
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// 处理鼠标移动事件
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function handleMouseMove(e: MouseEvent) {
60+
if (!isDragging.value) {
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return
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}
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position.value = {
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x: e.clientX - dragStart.value.x,
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y: e.clientY - dragStart.value.y,
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}
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}
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// 处理鼠标松开事件
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function handleMouseUp() {
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isDragging.value = false
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}
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// 重置图片状态
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function resetImageState() {
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scale.value = 1
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rotate.value = 0
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position.value = { x: 0, y: 0 }
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}
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// 监听鼠标事件
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onMounted(() => {
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window.addEventListener('mousemove', handleMouseMove)
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window.addEventListener('mouseup', handleMouseUp)
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})
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onUnmounted(() => {
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window.removeEventListener('mousemove', handleMouseMove)
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window.removeEventListener('mouseup', handleMouseUp)
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})
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function handleAnimationEnd() {
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if (!isOpen.value) {
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resetImageState()
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}
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}
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</script>
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<template>
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<Dialog v-model:open="isOpen">
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<DialogContent class="size-full" @animation-end="handleAnimationEnd">
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<div class="relative size-full flex-center" @wheel="handleWheel">
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<img
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:src="src"
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class="mx-auto max-h-full max-w-full object-contain"
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:class="{
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'transition-all duration-300': !isDragging,
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}"
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:style="{
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transform: `translate(${position.x}px, ${position.y}px) scale(${scale}) rotate(${rotate}deg)`,
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cursor: isDragging ? 'grabbing' : 'grab',
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}"
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@mousedown.prevent="handleMouseDown"
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>
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<FaButtonGroup class="absolute bottom-4 left-1/2 scale-125 -translate-x-1/2">
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<FaButton variant="outline" size="icon" class="border-none bg-muted/50" @click="handleZoomIn">
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<FaIcon name="i-carbon:zoom-in" class="size-5" />
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</FaButton>
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<FaButton variant="outline" size="icon" class="border-none bg-muted/50" @click="handleZoomOut">
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<FaIcon name="i-carbon:zoom-out" class="size-5" />
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</FaButton>
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<FaButton variant="outline" size="icon" class="border-none bg-muted/50" @click="handleOriginalSize">
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<FaIcon name="i-lucide:maximize" class="size-5" />
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</FaButton>
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<FaButton variant="outline" size="icon" class="border-none bg-muted/50" @click="handleRotateLeft">
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<FaIcon name="i-carbon:rotate" class="size-5" />
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</FaButton>
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<FaButton variant="outline" size="icon" class="border-none bg-muted/50" @click="handleRotateRight">
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<FaIcon name="i-carbon:rotate-180" class="size-5" />
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</FaButton>
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</FaButtonGroup>
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</div>
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</DialogContent>
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</Dialog>
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</template>

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