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<template>
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<ul :class="classes"><slot></slot></ul>
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</template>
<script>
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import { oneOf } from '../../utils/assist';
const prefixCls = 'ivu-menu';
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export default {
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props: {
mode: {
validator (value) {
return oneOf(value, ['horizontal', 'vertical']);
},
default: 'vertical'
},
theme: {
validator (value) {
return oneOf(value, ['light', 'dark', 'primary']);
},
default: 'light'
},
activeKey: {
type: [String, Number]
},
openKeys: {
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type: Array,
default () {
return []
}
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},
accordion: {
type: Boolean,
default: false
}
},
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data () {
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return {
}
},
computed: {
classes () {
return [
`${prefixCls}`,
{
[`${prefixCls}-${this.mode}`]: this.mode,
[`${prefixCls}-${this.theme}`]: this.theme
}
]
}
},
methods: {
updateActiveKey () {
this.$children.forEach((item, index) => {
if (!this.activeKey && index === 0) this.activeKey = item.key;
if (item.$options.name === 'Submenu') {
item.active = false;
item.$children.forEach(subitem => {
if (subitem.$options.name === 'MenuGroup') {
subitem.$children.forEach(groupItem => {
if (groupItem.key === this.activeKey) {
groupItem.active = true;
groupItem.$parent.$parent.active = true;
} else {
groupItem.active = false;
}
})
} else {
if (subitem.key === this.activeKey) {
subitem.active = true;
subitem.$parent.active = true;
} else {
subitem.active = false;
}
}
})
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} else if (item.$options.name === 'MenuGroup') {
item.$children.forEach(groupItem => {
groupItem.active = groupItem.key === this.activeKey;
})
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} else {
item.active = item.key === this.activeKey;
}
})
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},
updateOpenKeys (key) {
const index = this.openKeys.indexOf(key);
if (index > -1) {
this.openKeys.splice(index, 1);
} else {
this.openKeys.push(key);
}
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}
},
compiled () {
this.updateActiveKey();
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},
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events: {
'on-menu-item-select' (key) {
this.activeKey = key;
this.updateActiveKey();
this.$emit('on-select', key);
}
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},
watch: {
openKeys () {
this.$emit('on-open-change', this.openKeys);
}
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}
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}
</script>
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