rate.vue
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<template>
<div :class="classes" @mouseleave="handleMouseleave">
<input type="hidden" :name="name" :value="currentValue">
<div
v-for="item in count"
:class="starCls(item)"
@mousemove="handleMousemove(item, $event)"
:key="item"
@click="handleClick(item)">
<template v-if="!showCharacter">
<span :class="[prefixCls + '-star-content']" type="half"></span>
</template>
<template v-else>
<span :class="[prefixCls + '-star-first']" type="half">
<template v-if="character !== ''">{{ character }}</template>
<i v-else :class="iconClasses" type="half"></i>
</span>
<span :class="[prefixCls + '-star-second']">
<template v-if="character !== ''">{{ character }}</template>
<i v-else :class="iconClasses"></i>
</span>
</template>
</div>
<div :class="[prefixCls + '-text']" v-if="showText" v-show="currentValue > 0">
<slot><span>{{ currentValue }}</span> <span v-if="currentValue <= 1">{{ t('i.rate.star') }}</span><span v-else>{{ t('i.rate.stars') }}</span></slot>
</div>
</div>
</template>
<script>
import Locale from '../../mixins/locale';
import Emitter from '../../mixins/emitter';
import Icon from '../icon/icon.vue';
const prefixCls = 'ivu-rate';
export default {
name: 'Rate',
mixins: [ Locale, Emitter ],
components: { Icon },
props: {
count: {
type: Number,
default: 5
},
value: {
type: Number,
default: 0
},
allowHalf: {
type: Boolean,
default: false
},
disabled: {
type: Boolean,
default: false
},
showText: {
type: Boolean,
default: false
},
name: {
type: String
},
clearable: {
type: Boolean,
default: false
},
character: {
type: String,
default: ''
},
icon: {
type: String,
default: ''
},
customIcon: {
type: String,
default: ''
}
},
data () {
return {
prefixCls: prefixCls,
hoverIndex: -1,
isHover: false,
isHalf: this.allowHalf && this.value.toString().indexOf('.') >= 0,
currentValue: this.value
};
},
computed: {
classes () {
return [
`${prefixCls}`,
{
[`${prefixCls}-disabled`]: this.disabled
}
];
},
iconClasses () {
return [
`ivu-icon`,
{
[`ivu-icon-${this.icon}`]: this.icon !== '',
[`${this.customIcon}`]: this.customIcon !== '',
}
];
},
showCharacter () {
return this.character !== '' || this.icon !== '' || this.customIcon !== '';
}
},
watch: {
value (val) {
this.currentValue = val;
},
currentValue (val) {
this.setHalf(val);
}
},
methods: {
starCls (value) {
const hoverIndex = this.hoverIndex;
const currentIndex = this.isHover ? hoverIndex : this.currentValue;
let full = false;
let isLast = false;
if (currentIndex >= value) full = true;
if (this.isHover) {
isLast = currentIndex === value;
} else {
isLast = Math.ceil(this.currentValue) === value;
}
return [
{
[`${prefixCls}-star`]: !this.showCharacter,
[`${prefixCls}-star-chart`]: this.showCharacter,
[`${prefixCls}-star-full`]: (!isLast && full) || (isLast && !this.isHalf),
[`${prefixCls}-star-half`]: isLast && this.isHalf,
[`${prefixCls}-star-zero`]: !full
}
];
},
handleMousemove(value, event) {
if (this.disabled) return;
this.isHover = true;
if (this.allowHalf) {
const type = event.target.getAttribute('type') || false;
this.isHalf = type === 'half';
} else {
this.isHalf = false;
}
this.hoverIndex = value;
},
handleMouseleave () {
if (this.disabled) return;
this.isHover = false;
this.setHalf(this.currentValue);
this.hoverIndex = -1;
},
setHalf (val) {
this.isHalf = this.allowHalf && val.toString().indexOf('.') >= 0;
},
handleClick (value) {
if (this.disabled) return;
//value++;
if (this.isHalf) value -= 0.5;
if(this.clearable && Math.abs(value - this.currentValue) < 0.01) {
value = 0;
}
this.currentValue = value;
this.$emit('input', value);
this.$emit('on-change', value);
this.dispatch('FormItem', 'on-form-change', value);
}
}
};
</script>