menu-item.vue
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<template>
<a
v-if="to"
:href="linkUrl"
:target="target"
:class="classes"
@click.exact="handleClickItem($event, false)"
@click.ctrl="handleClickItem($event, true)"
@click.meta="handleClickItem($event, true)"
:style="itemStyle"><slot></slot></a>
<li v-else :class="classes" @click.stop="handleClickItem" :style="itemStyle"><slot></slot></li>
</template>
<script>
import Emitter from '../../mixins/emitter';
import { findComponentUpward } from '../../utils/assist';
import mixin from './mixin';
import mixinsLink from '../../mixins/link';
const prefixCls = 'ivu-menu';
export default {
name: 'MenuItem',
mixins: [ Emitter, mixin, mixinsLink ],
props: {
name: {
type: [String, Number],
required: true
},
disabled: {
type: Boolean,
default: false
},
},
data () {
return {
active: false
};
},
computed: {
classes () {
return [
`${prefixCls}-item`,
{
[`${prefixCls}-item-active`]: this.active,
[`${prefixCls}-item-selected`]: this.active,
[`${prefixCls}-item-disabled`]: this.disabled
}
];
},
itemStyle () {
return this.hasParentSubmenu && this.mode !== 'horizontal' ? {
paddingLeft: 43 + (this.parentSubmenuNum - 1) * 24 + 'px'
} : {};
}
},
methods: {
handleClickItem (event, new_window = false) {
if (this.disabled) return;
if (new_window || this.target === '_blank') {
// 如果是 new_window，直接新开窗口就行，无需发送状态
this.handleCheckClick(event, new_window);
let parentMenu = findComponentUpward(this, 'Menu');
if (parentMenu) parentMenu.handleEmitSelectEvent(this.name);
} else {
let parent = findComponentUpward(this, 'Submenu');
if (parent) {
this.dispatch('Submenu', 'on-menu-item-select', this.name);
} else {
this.dispatch('Menu', 'on-menu-item-select', this.name);
}
this.handleCheckClick(event, new_window);
}
}
},
mounted () {
this.$on('on-update-active-name', (name) => {
if (this.name === name) {
this.active = true;
this.dispatch('Submenu', 'on-update-active-name', name);
} else {
this.active = false;
}
});
}
};
</script>