<template>
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<el-text type="info" size="small"> 拖动左上角的小圆点可对其排序 </el-text>
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<VueDraggable
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:list="formData"
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:force-fallback="true"
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:animation="200"
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handle=".drag-icon"
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class="m-t-8px"
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item-key="index"
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>
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<template #item="{ element, index }">
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<div
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class="mb-4px flex flex-col gap-4px border border-gray-2 border-rounded rounded border-solid p-8px"
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>
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<!-- 操作按钮区 -->
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<div class="m--8px m-b-4px flex flex-row items-center justify-between bg-gray-1 p-8px">
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<el-tooltip content="拖动排序">
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<Icon icon="ic:round-drag-indicator" class="drag-icon cursor-move" />
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</el-tooltip>
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<el-tooltip content="删除">
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<Icon
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icon="ep:delete"
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class="cursor-pointer text-red-5"
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v-if="formData.length > 1"
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@click="handleDelete(index)"
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/>
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</el-tooltip>
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</div>
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<!-- 内容区 -->
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<slot :element="element" :index="index"></slot>
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</div>
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</template>
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</VueDraggable>
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<el-tooltip :disabled="limit < 1" :content="`最多添加${limit}个`">
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<el-button
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type="primary"
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plain
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class="m-t-4px w-full"
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:disabled="limit > 0 && formData.length >= limit"
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@click="handleAdd"
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>
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<Icon icon="ep:plus" /><span>添加</span>
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</el-button>
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</el-tooltip>
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</template>
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<script setup lang="ts">
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// 拖拽组件
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import VueDraggable from 'vuedraggable'
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import { usePropertyForm } from '@/components/DiyEditor/util'
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import { any, array } from 'vue-types'
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import { propTypes } from '@/utils/propTypes'
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import { cloneDeep } from 'lodash-es'
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// 拖拽组件封装
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defineOptions({ name: 'Draggable' })
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// 定义属性
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const props = defineProps({
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// 绑定值
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modelValue: array<any>().isRequired,
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// 空的元素：点击添加按钮时，创建元素并添加到列表；默认为空对象
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emptyItem: any<unknown>().def({}),
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// 数量限制：默认为0，表示不限制
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limit: propTypes.number.def(0)
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})
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// 定义事件
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const emit = defineEmits(['update:modelValue'])
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const { formData } = usePropertyForm(props.modelValue, emit)
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// 处理添加
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const handleAdd = () => formData.value.push(cloneDeep(props.emptyItem || {}))
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// 处理删除
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const handleDelete = (index: number) => formData.value.splice(index, 1)
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</script>
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<style scoped lang="scss"></style>
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