menu-item.vue
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<template>
<li :class="classes" @click.stop="handleClick"><slot></slot></li>
</template>
<script>
import Emitter from '../../mixins/emitter';
const prefixCls = 'ivu-menu';
export default {
name: 'MenuItem',
mixins: [ Emitter ],
props: {
name: {
type: [String, Number],
required: true
},
disabled: {
type: Boolean,
default: false
}
},
data () {
return {
active: false
};
},
computed: {
classes () {
return [
`${prefixCls}-item`,
{
[`${prefixCls}-item-active`]: this.active,
[`${prefixCls}-item-selected`]: this.active,
[`${prefixCls}-item-disabled`]: this.disabled
}
];
}
},
methods: {
handleClick () {
if (this.disabled) return;
let parent = this.$parent;
let name = parent.$options.name;
while (parent && (!name || name !== 'Submenu')) {
parent = parent.$parent;
if (parent) name = parent.$options.name;
}
if (parent) {
this.dispatch('Submenu', 'on-menu-item-select', this.name);
} else {
this.dispatch('Menu', 'on-menu-item-select', this.name);
}
}
},
mounted () {
this.$on('on-update-active-name', (name) => {
if (this.name === name) {
this.active = true;
this.dispatch('Submenu', 'on-update-active-name', true);
} else {
this.active = false;
}
});
}
};
</script>