134 lines
4.5 KiB
Vue
134 lines
4.5 KiB
Vue
<template>
|
|
<li :class="classes" @mouseenter="handleMouseenter" @mouseleave="handleMouseleave">
|
|
<div :class="[prefixCls + '-submenu-title']" ref="reference" @click="handleClick">
|
|
<slot name="title"></slot>
|
|
<Icon type="ios-arrow-down" :class="[prefixCls + '-submenu-title-icon']"></Icon>
|
|
</div>
|
|
<ul :class="[prefixCls]" v-if="mode === 'vertical'" v-show="opened"><slot></slot></ul>
|
|
<transition name="slide-up" v-else>
|
|
<Drop
|
|
v-show="opened"
|
|
placement="bottom"
|
|
ref="drop"
|
|
:style="dropStyle"><slot></slot></Drop>
|
|
</transition>
|
|
</li>
|
|
</template>
|
|
<script>
|
|
import Drop from '../select/dropdown.vue';
|
|
import Icon from '../icon/icon.vue';
|
|
import { getStyle, findComponentUpward } from '../../utils/assist';
|
|
import Emitter from '../../mixins/emitter';
|
|
|
|
const prefixCls = 'ivu-menu';
|
|
|
|
export default {
|
|
name: 'Submenu',
|
|
mixins: [ Emitter ],
|
|
components: { Icon, Drop },
|
|
props: {
|
|
name: {
|
|
type: [String, Number],
|
|
required: true
|
|
},
|
|
disabled: {
|
|
type: Boolean,
|
|
default: false
|
|
}
|
|
},
|
|
data () {
|
|
return {
|
|
prefixCls: prefixCls,
|
|
active: false,
|
|
opened: false,
|
|
dropWidth: parseFloat(getStyle(this.$el, 'width')),
|
|
parent: findComponentUpward(this, 'Menu')
|
|
};
|
|
},
|
|
computed: {
|
|
classes () {
|
|
return [
|
|
`${prefixCls}-submenu`,
|
|
{
|
|
[`${prefixCls}-item-active`]: this.active,
|
|
[`${prefixCls}-opened`]: this.opened,
|
|
[`${prefixCls}-submenu-disabled`]: this.disabled
|
|
}
|
|
];
|
|
},
|
|
mode () {
|
|
return this.parent.mode;
|
|
},
|
|
accordion () {
|
|
return this.parent.accordion;
|
|
},
|
|
dropStyle () {
|
|
let style = {};
|
|
|
|
if (this.dropWidth) style.minWidth = `${this.dropWidth}px`;
|
|
return style;
|
|
}
|
|
},
|
|
methods: {
|
|
handleMouseenter () {
|
|
if (this.disabled) return;
|
|
if (this.mode === 'vertical') return;
|
|
|
|
clearTimeout(this.timeout);
|
|
this.timeout = setTimeout(() => {
|
|
this.parent.updateOpenKeys(this.name);
|
|
this.opened = true;
|
|
}, 250);
|
|
},
|
|
handleMouseleave () {
|
|
if (this.disabled) return;
|
|
if (this.mode === 'vertical') return;
|
|
|
|
clearTimeout(this.timeout);
|
|
this.timeout = setTimeout(() => {
|
|
this.parent.updateOpenKeys(this.name);
|
|
this.opened = false;
|
|
}, 150);
|
|
},
|
|
handleClick () {
|
|
if (this.disabled) return;
|
|
if (this.mode === 'horizontal') return;
|
|
const opened = this.opened;
|
|
if (this.accordion) {
|
|
this.parent.$children.forEach(item => {
|
|
if (item.$options.name === 'Submenu') item.opened = false;
|
|
});
|
|
}
|
|
this.opened = !opened;
|
|
this.parent.updateOpenKeys(this.name);
|
|
}
|
|
},
|
|
watch: {
|
|
mode (val) {
|
|
if (val === 'horizontal') {
|
|
this.$refs.drop.update();
|
|
}
|
|
},
|
|
opened (val) {
|
|
if (this.mode === 'vertical') return;
|
|
if (val) {
|
|
// set drop a width to fixed when menu has fixed position
|
|
this.dropWidth = parseFloat(getStyle(this.$el, 'width'));
|
|
this.$refs.drop.update();
|
|
} else {
|
|
this.$refs.drop.destroy();
|
|
}
|
|
}
|
|
},
|
|
mounted () {
|
|
this.$on('on-menu-item-select', (name) => {
|
|
if (this.mode === 'horizontal') this.opened = false;
|
|
this.dispatch('Menu', 'on-menu-item-select', name);
|
|
return true;
|
|
});
|
|
this.$on('on-update-active-name', (status) => {
|
|
this.active = status;
|
|
});
|
|
}
|
|
};
|
|
</script>
|