radio.vue
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<template>
<label :class="wrapClasses">
<span :class="radioClasses">
<span :class="innerClasses"></span>
<input
type="radio"
:class="inputClasses"
:disabled="disabled"
:checked="currentValue"
@change="change">
</span><slot>{{ label }}</slot>
</label>
</template>
<script>
const prefixCls = 'ivu-radio';
export default {
name: 'Radio',
props: {
value: {
type: Boolean,
default: false
},
label: {
type: [String, Number]
},
disabled: {
type: Boolean,
default: false
}
},
data () {
return {
currentValue: this.value,
group: false
};
},
computed: {
wrapClasses () {
return [
`${prefixCls}-wrapper`,
{
[`${prefixCls}-group-item`]: this.group,
[`${prefixCls}-wrapper-checked`]: this.currentValue,
[`${prefixCls}-wrapper-disabled`]: this.disabled
}
];
},
radioClasses () {
return [
`${prefixCls}`,
{
[`${prefixCls}-checked`]: this.currentValue,
[`${prefixCls}-disabled`]: this.disabled
}
];
},
innerClasses () {
return `${prefixCls}-inner`;
},
inputClasses () {
return `${prefixCls}-input`;
}
},
mounted () {
// todo 使用 while向上查找
if (this.$parent && this.$parent.$options.name === 'RadioGroup') this.group = true;
if (!this.group) {
this.updateValue();
}
},
methods: {
change (event) {
if (this.disabled) {
return false;
}
const checked = event.target.checked;
this.currentValue = checked;
this.$emit('input', checked);
if (this.group && this.label) {
this.$parent.change({
value: this.label,
checked: this.value
});
}
if (!this.group) {
this.$emit('on-change', checked);
// todo 事件
// this.$dispatch('on-form-change', checked);
}
},
updateValue () {
this.currentValue = this.value;
}
},
watch: {
value () {
this.updateValue();
}
}
};
</script>