'use strict'; Object.defineProperty(exports, '__esModule', { value: true }); var component_1 = require('../common/component'); component_1.VantComponent({ classes: [ 'main-item-class', 'content-item-class', 'main-active-class', 'content-active-class', 'main-disabled-class', 'content-disabled-class', ], props: { items: { type: Array, observer: 'updateSubItems', }, activeId: null, mainActiveIndex: { type: Number, value: 0, observer: 'updateSubItems', }, height: { type: null, value: 300, }, max: { type: Number, value: Infinity, }, selectedIcon: { type: String, value: 'success', }, }, data: { subItems: [], }, methods: { // 当一个子项被选择时 onSelectItem: function (event) { var item = event.currentTarget.dataset.item; var isArray = Array.isArray(this.data.activeId); // 判断有没有超出右侧选择的最大数 var isOverMax = isArray && this.data.activeId.length >= this.data.max; // 判断该项有没有被选中, 如果有被选中,则忽视是否超出的条件 var isSelected = isArray ? this.data.activeId.indexOf(item.id) > -1 : this.data.activeId === item.id; if (!item.disabled && (!isOverMax || isSelected)) { this.$emit('click-item', item); } }, // 当一个导航被点击时 onClickNav: function (event) { var index = event.detail; var item = this.data.items[index]; if (!item.disabled) { this.$emit('click-nav', { index: index }); } }, // 更新子项列表 updateSubItems: function () { var _a = this.data, items = _a.items, mainActiveIndex = _a.mainActiveIndex; var _b = (items[mainActiveIndex] || {}).children, children = _b === void 0 ? [] : _b; this.setData({ subItems: children }); }, }, });