import React, { useState } from 'react'
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import { useDrop } from 'react-dnd'
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import { is, fromJS } from 'immutable'
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import update from 'immutability-helper'
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import { Empty, notification, Modal } from 'antd'
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import Utils from '@/utils/utils.js'
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import Card from './card'
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import './index.scss'
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const { confirm } = Modal
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const Container = ({menu, config, handleList }) => {
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let target = null
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const [cards, setCards] = useState(config.components)
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const moveCard = (id, atIndex) => {
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const { card, index } = findCard(id)
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const _cards = update(cards, { $splice: [[index, 1], [atIndex, 0, card]] })
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handleList({...config, components: _cards})
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}
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if (!is(fromJS(cards), fromJS(config.components))) {
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setCards(config.components)
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}
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const findCard = id => {
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const card = cards.filter(c => `${c.uuid}` === id)[0]
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return {
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card,
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index: cards.indexOf(card),
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}
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}
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const hasDrop = (item) => {
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target = item
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}
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const updateConfig = (element) => {
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handleList({...config, components: cards.map(item => item.uuid === element.uuid ? element : item)})
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}
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const deleteCard = (id) => {
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const { card } = findCard(id)
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let hasComponent = false
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if (card.type === 'tabs') {
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card.subtabs.forEach(tab => {
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if (tab.components.length > 0) {
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hasComponent = true
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}
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})
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}
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confirm({
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title: `确定删除《${card.setting.name}》吗？`,
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content: hasComponent ? '当前组件中含有子组件！' : '',
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onOk() {
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handleList({...config, components: cards.filter(item => item.uuid !== card.uuid)})
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},
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onCancel() {}
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})
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}
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const [, drop] = useDrop({
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accept: 'menu',
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drop(item) {
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if (item.hasOwnProperty('originalIndex') || item.added) {
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return
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}
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item.added = true
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if (item.component === 'search') { // 搜索组件不可重复添加
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if (cards.filter(card => card.type === 'search').length > 0) {
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notification.warning({
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top: 92,
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message: '搜索条件不可重复添加！',
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duration: 5
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})
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return
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}
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} else if (item.component === 'tabs' && config.floor === 3) {
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notification.warning({
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top: 92,
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message: '标签页最多为三重结构！',
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duration: 5
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})
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return
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}
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let name = ''
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let names = {
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bar: '柱状图',
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line: '折线图',
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tabs: '标签组'
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}
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let i = 1
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while (!name && names[item.component]) {
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let _name = names[item.component] + i
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if (config.components.filter(com => com.setting && com.setting.name === _name).length === 0) {
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name = _name
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}
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i++
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}
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let newcard = {
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uuid: Utils.getuuid(),
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tabId: config.uuid,
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parentId: config.parentId,
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type: item.component,
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subtype: item.subtype,
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name: name,
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floor: config.floor ? (config.floor + 1) : 2, // 组件的层级
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isNew: true // 新添加标志，用于初始化
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}
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let targetId = cards.length > 0 ? cards[cards.length - 1].uuid : 0
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if (target) {
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targetId = target.uuid
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}
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const { index: overIndex } = findCard(`${targetId}`)
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let targetIndex = overIndex
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targetIndex++
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const _cards = update(cards, { $splice: [[targetIndex, 0, newcard]] })
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handleList({...config, components: _cards})
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target = null
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}
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})
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return (
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<div ref={drop} className="ant-row tab-shell-inner">
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{cards.map(card => (
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<Card
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id={card.uuid}
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key={card.uuid}
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menu={menu}
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config={config}
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card={card}
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moveCard={moveCard}
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delCard={deleteCard}
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findCard={findCard}
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hasDrop={hasDrop}
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updateConfig={updateConfig}
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/>
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))}
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{cards.length === 0 ?
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<Empty description="请添加组件" /> : null
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}
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</div>
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)
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}
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export default Container
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