110 lines
3 KiB
Vue
110 lines
3 KiB
Vue
<template>
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<div :class="classes">
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<slot></slot>
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</div>
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</template>
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<script>
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const prefixCls = 'ivu-collapse';
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export default {
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name: 'Collapse',
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props: {
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accordion: {
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type: Boolean,
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default: false
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},
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value: {
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type: [Array, String]
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},
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simple: {
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type: Boolean,
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default: false
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}
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},
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data () {
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return {
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currentValue: this.value
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};
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},
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computed: {
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classes () {
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return [
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`${prefixCls}`,
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{
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[`${prefixCls}-simple`]: this.simple
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}
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];
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}
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},
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mounted () {
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this.setActive();
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},
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methods: {
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setActive () {
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const activeKey = this.getActiveKey();
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this.$children.forEach((child, index) => {
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const name = child.name || index.toString();
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child.isActive = activeKey.indexOf(name) > -1;
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child.index = index;
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});
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},
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getActiveKey () {
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let activeKey = this.currentValue || [];
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const accordion = this.accordion;
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if (!Array.isArray(activeKey)) {
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activeKey = [activeKey];
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}
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if (accordion && activeKey.length > 1) {
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activeKey = [activeKey[0]];
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}
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for (let i = 0; i < activeKey.length; i++) {
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activeKey[i] = activeKey[i].toString();
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}
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return activeKey;
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},
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toggle (data) {
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const name = data.name.toString();
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let newActiveKey = [];
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if (this.accordion) {
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if (!data.isActive) {
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newActiveKey.push(name);
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}
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} else {
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let activeKey = this.getActiveKey();
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const nameIndex = activeKey.indexOf(name);
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if (data.isActive) {
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if (nameIndex > -1) {
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activeKey.splice(nameIndex, 1);
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}
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} else {
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if (nameIndex < 0) {
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activeKey.push(name);
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}
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}
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newActiveKey = activeKey;
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}
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this.currentValue = newActiveKey;
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this.$emit('input', newActiveKey);
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this.$emit('on-change', newActiveKey);
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}
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},
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watch: {
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value (val) {
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this.currentValue = val;
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},
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currentValue () {
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this.setActive();
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}
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}
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};
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</script>
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