option.vue
2.84 KB
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<template>
<li :class="classes" @click.stop="select" @mouseout.stop="blur" v-show="!hidden"><slot>{{ showLabel }}</slot></li>
</template>
<script>
import Emitter from '../../mixins/emitter';
import { findComponentUpward } from '../../utils/assist';
const prefixCls = 'ivu-select-item';
export default {
name: 'iOption',
componentName: 'select-item',
mixins: [ Emitter ],
props: {
value: {
type: [String, Number],
required: true
},
label: {
type: [String, Number]
},
disabled: {
type: Boolean,
default: false
}
},
data () {
return {
selected: false,
index: 0, // for up and down to focus
isFocus: false,
hidden: false, // for search
searchLabel: '', // the value is slot,only for search
autoComplete: false
};
},
computed: {
classes () {
return [
`${prefixCls}`,
{
[`${prefixCls}-disabled`]: this.disabled,
[`${prefixCls}-selected`]: this.selected && !this.autoComplete,
[`${prefixCls}-focus`]: this.isFocus
}
];
},
showLabel () {
return (this.label) ? this.label : this.value;
}
},
methods: {
select () {
if (this.disabled) {
return false;
}
this.dispatch('iSelect', 'on-select-selected', this.value);
},
blur () {
this.isFocus = false;
},
queryChange (val) {
const parsedQuery = val.replace(/(\^|\(|\)|\[|\]|\$|\*|\+|\.|\?|\\|\{|\}|\|)/g, '\\$1');
this.hidden = !new RegExp(parsedQuery, 'i').test(this.searchLabel);
},
// 在使用函数防抖后，设置 key 后，不更新组件了，导致SearchLabel 不更新 #1865
updateSearchLabel () {
this.searchLabel = this.$el.innerHTML;
}
},
mounted () {
this.updateSearchLabel();
this.dispatch('iSelect', 'append');
this.$on('on-select-close', () => {
this.isFocus = false;
});
this.$on('on-query-change', (val) => {
this.queryChange(val);
});
const Select = findComponentUpward(this, 'iSelect');
if (Select) this.autoComplete = Select.autoComplete;
},
beforeDestroy () {
this.dispatch('iSelect', 'remove');
}
};
</script>