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