2a09d1a4
 liuqimichale
添加宜春 天水 宣化
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<template>
<div class="el-collapse" role="tablist" aria-multiselectable="true">
<slot></slot>
</div>
</template>
<script>
export default {
name: 'ElCollapse',
componentName: 'ElCollapse',
props: {
accordion: Boolean,
value: {
type: [Array, String, Number],
default() {
return [];
}
}
},
data() {
return {
activeNames: [].concat(this.value)
};
},
provide() {
return {
collapse: this
};
},
watch: {
value(value) {
this.activeNames = [].concat(value);
}
},
methods: {
setActiveNames(activeNames) {
activeNames = [].concat(activeNames);
let value = this.accordion ? activeNames[0] : activeNames;
this.activeNames = activeNames;
this.$emit('input', value);
this.$emit('change', value);
},
handleItemClick(item) {
if (this.accordion) {
this.setActiveNames(
(this.activeNames[0] || this.activeNames[0] === 0) &&
this.activeNames[0] === item.name
? '' : item.name
);
} else {
let activeNames = this.activeNames.slice(0);
let index = activeNames.indexOf(item.name);
if (index > -1) {
activeNames.splice(index, 1);
} else {
activeNames.push(item.name);
}
this.setActiveNames(activeNames);
}
}
},
created() {
this.$on('item-click', this.handleItemClick);
}
};
</script>
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