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70 lines
2.2 KiB
70 lines
2.2 KiB
"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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