yinshu_ui/yinshuacx/wxcomponents/vant/tree-select/index.vue

<template>
<uni-shadow-root class="vant-tree-select-index"><view class="van-tree-select" :style="'height: '+(mainHeight)+'px'">
  <scroll-view scroll-y class="van-tree-select__nav">
    <view v-for="(item,index) in (items)" :key="item.index" :class="'van-ellipsis main-item-class '+(utils.bem('tree-select__nitem', { active: mainActiveIndex === index, disabled: item.disabled }))+' '+(mainActiveIndex === index ? 'main-active-class' : '')+' '+(item.disabled ? 'main-disabled-class' : '')" :data-index="index" @click="onClickNav">
      {{ item.text }}
    </view>
  </scroll-view>
  <scroll-view scroll-y class="van-tree-select__content" :style="'height: '+(itemHeight)+'px'">
    <view v-for="(item,index) in (subItems)" :key="item.id" :class="'van-ellipsis van-hairline--bottom content-item-class '+(utils.bem('tree-select__item', { active: activeId === item.id, disabled: item.disabled }))+' '+(activeId === item.id ? 'content-active-class' : '')+' '+(item.disabled ? 'content-disabled-class' : '')" :data-item="item" @click="onSelectItem">
      {{ item.text }}
      <van-icon v-if="activeId === item.id" name="checked" size="16px" class="van-tree-select__selected"></van-icon>
    </view>
  </scroll-view>
</view></uni-shadow-root>
</template>
<wxs src="../wxs/utils.wxs" module="utils"></wxs>
<script>
import VanIcon from '../icon/index.vue'
global['__wxVueOptions'] = {components:{'van-icon': VanIcon}}

global['__wxRoute'] = 'vant/tree-select/index'
"use strict";

Object.defineProperty(exports, "__esModule", { value: true });
var component_1 = require('./../common/component.js');
var ITEM_HEIGHT = 44;
component_1.VantComponent({
    classes: ['main-item-class', 'content-item-class', 'main-active-class', 'content-active-class', 'main-disabled-class', 'content-disabled-class'],
    props: {
        items: Array,
        mainActiveIndex: {
            type: Number,
            value: 0
        },
        activeId: {
            type: [Number, String]
        },
        maxHeight: {
            type: Number,
            value: 300
        }
    },
    data: {
        subItems: [],
        mainHeight: 0,
        itemHeight: 0
    },
    watch: {
        items: function items() {
            var _this = this;
            this.updateSubItems().then(function () {
                _this.updateMainHeight();
            });
        },
        maxHeight: function maxHeight() {
            this.updateItemHeight(this.data.subItems);
            this.updateMainHeight();
        },
        mainActiveIndex: 'updateSubItems'
    },
    methods: {
        // 当一个子项被选择时
        onSelectItem: function onSelectItem(event) {
            var item = event.currentTarget.dataset.item;
            if (!item.disabled) {
                this.$emit('click-item', item);
            }
        },
        // 当一个导航被点击时
        onClickNav: function onClickNav(event) {
            var index = event.currentTarget.dataset.index;
            var item = this.data.items[index];
            if (!item.disabled) {
                this.$emit('click-nav', { index: index });
            }
        },
        // 更新子项列表
        updateSubItems: function updateSubItems() {
            var _a = this.data,
                items = _a.items,
                mainActiveIndex = _a.mainActiveIndex;
            var _b = (items[mainActiveIndex] || {}).children,
                children = _b === void 0 ? [] : _b;
            this.updateItemHeight(children);
            return this.set({ subItems: children });
        },
        // 更新组件整体高度，根据最大高度和当前组件需要展示的高度来决定
        updateMainHeight: function updateMainHeight() {
            var _a = this.data,
                _b = _a.items,
                items = _b === void 0 ? [] : _b,
                _c = _a.subItems,
                subItems = _c === void 0 ? [] : _c;
            var maxHeight = Math.max(items.length * ITEM_HEIGHT, subItems.length * ITEM_HEIGHT);
            this.set({ mainHeight: Math.min(maxHeight, this.data.maxHeight) });
        },
        // 更新子项列表高度，根据可展示的最大高度和当前子项列表的高度决定
        updateItemHeight: function updateItemHeight(subItems) {
            var itemHeight = Math.min(subItems.length * ITEM_HEIGHT, this.data.maxHeight);
            return this.set({ itemHeight: itemHeight });
        }
    }
});
//# 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export default global['__wxComponents']['vant/tree-select/index']
</script>
<style platform="mp-weixin">
@import '../common/index.css';.van-tree-select{position:relative;font-size:14px;-webkit-user-select:none;user-select:none}.van-tree-select__nav{position:absolute;top:0;bottom:0;left:0;width:35%;min-width:120px;background-color:#fafafa}.van-tree-select__nitem{position:relative;padding:0 9px 0 15px;line-height:44px}.van-tree-select__nitem--active:after{position:absolute;top:0;bottom:0;left:0;width:3.6px;background-color:#f44;content:""}.van-tree-select__nitem--active{font-weight:700;background-color:#fff}.van-tree-select__nitem--disabled{color:#999}.van-tree-select__content{width:65%;padding-left:15px;margin-left:35%;background-color:#fff;box-sizing:border-box}.van-tree-select__item{position:relative;font-weight:700;line-height:44px}.van-tree-select__item--active{color:#f44}.van-tree-select__item--disabled{color:#999}.van-tree-select__selected{position:absolute;top:0;right:15px;bottom:0;height:24px;margin:auto 0;line-height:24px}
</style>