switch.vue
2.66 KB
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<template>
<span
tabindex="0"
:class="wrapClasses"
@click="toggle"
@keydown.space="toggle"
>
<input type="hidden" :name="name" :value="currentValue">
<span :class="innerClasses">
<slot name="open" v-if="currentValue === trueValue"></slot>
<slot name="close" v-if="currentValue === falseValue"></slot>
</span>
</span>
</template>
<script>
import { oneOf } from '../../utils/assist';
import Emitter from '../../mixins/emitter';
const prefixCls = 'ivu-switch';
export default {
name: 'iSwitch',
mixins: [ Emitter ],
props: {
value: {
type: [String, Number, Boolean],
default: false
},
trueValue: {
type: [String, Number, Boolean],
default: true
},
falseValue: {
type: [String, Number, Boolean],
default: false
},
disabled: {
type: Boolean,
default: false
},
size: {
validator (value) {
return oneOf(value, ['large', 'small', 'default']);
}
},
name: {
type: String
}
},
data () {
return {
currentValue: this.value
};
},
computed: {
wrapClasses () {
return [
`${prefixCls}`,
{
[`${prefixCls}-checked`]: this.currentValue === this.trueValue,
[`${prefixCls}-disabled`]: this.disabled,
[`${prefixCls}-${this.size}`]: !!this.size
}
];
},
innerClasses () {
return `${prefixCls}-inner`;
}
},
methods: {
toggle () {
if (this.disabled) {
return false;
}
const checked = this.currentValue === this.trueValue ? this.falseValue : this.trueValue;
this.currentValue = checked;
this.$emit('input', checked);
this.$emit('on-change', checked);
this.dispatch('FormItem', 'on-form-change', checked);
}
},
watch: {
value (val) {
if (val !== this.trueValue && val !== this.falseValue) {
throw 'Value should be trueValue or falseValue.';
}
this.currentValue = val;
}
}
};
</script>