ab8aaf95
 梁灏
add Dropdown comp...
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<template>
<div
:class="[prefixCls]"
@click="handleClick"
@mouseenter="handleMouseenter"
@mouseleave="handleMouseleave"
v-clickoutside="handleClose">
<div :class="[prefixCls-rel]" v-el:reference><slot></slot></div>
<Drop v-show="visible" :placement="placement" transition="slide-up"><slot name="list"></slot></Drop>
</div>
</template>
<script>
import Drop from '../select/dropdown.vue';
import clickoutside from '../../directives/clickoutside';
import { oneOf } from '../../utils/assist';
const prefixCls = 'ivu-dropdown';
export default {
directives: { clickoutside },
components: { Drop },
props: {
trigger: {
validator (value) {
return oneOf(value, ['click', 'hover']);
},
default: 'hover'
},
align: {
validator (value) {
return oneOf(value, ['left', 'center', 'right']);
},
default: 'center'
}
},
data () {
return {
prefixCls: prefixCls,
visible: false
}
},
computed: {
placement () {
return this.align === 'left' ? 'bottom-start' : this.align === 'center' ? 'bottom' : 'bottom-end';
}
},
methods: {
handleClick () {
if (this.trigger !== 'click') {
return false;
}
this.visible = !this.visible;
},
handleMouseenter () {
if (this.trigger !== 'hover') {
return false;
}
clearTimeout(this.timeout);
this.timeout = setTimeout(() => {
this.visible = true;
}, 250);
},
handleMouseleave () {
if (this.trigger !== 'hover') {
return false;
}
clearTimeout(this.timeout);
this.timeout = setTimeout(() => {
this.visible = false;
}, 150);
},
handleClose () {
if (this.trigger !== 'click') {
return false;
}
this.visible = false;
}
},
watch: {
visible (val) {
if (val) {
this.$broadcast('on-update-popper');
} else {
this.$broadcast('on-destroy-popper');
}
}
}
}
</script>
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