radio.vue
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<template>
<label
class="el-radio"
:class="[
border && radioSize ? 'el-radio--' + radioSize : '',
{ 'is-disabled': isDisabled },
{ 'is-focus': focus },
{ 'is-bordered': border },
{ 'is-checked': model === label }
]"
role="radio"
:aria-checked="model === label"
:aria-disabled="isDisabled"
:tabindex="tabIndex"
@keydown.space.stop.prevent="model = isDisabled ? model : label"
>
<span class="el-radio__input"
:class="{
'is-disabled': isDisabled,
'is-checked': model === label
}"
>
<span class="el-radio__inner"></span>
<input
class="el-radio__original"
:value="label"
type="radio"
aria-hidden="true"
v-model="model"
@focus="focus = true"
@blur="focus = false"
@change="handleChange"
:name="name"
:disabled="isDisabled"
tabindex="-1"
>
</span>
<span class="el-radio__label" @keydown.stop>
<slot></slot>
<template v-if="!$slots.default">{{label}}</template>
</span>
</label>
</template>
<script>
import Emitter from 'element-ui/src/mixins/emitter';
export default {
name: 'ElRadio',
mixins: [Emitter],
inject: {
elForm: {
default: ''
},
elFormItem: {
default: ''
}
},
componentName: 'ElRadio',
props: {
value: {},
label: {},
disabled: Boolean,
name: String,
border: Boolean,
size: String
},
data() {
return {
focus: false
};
},
computed: {
isGroup() {
let parent = this.$parent;
while (parent) {
if (parent.$options.componentName !== 'ElRadioGroup') {
parent = parent.$parent;
} else {
this._radioGroup = parent;
return true;
}
}
return false;
},
model: {
get() {
return this.isGroup ? this._radioGroup.value : this.value;
},
set(val) {
if (this.isGroup) {
this.dispatch('ElRadioGroup', 'input', [val]);
} else {
this.$emit('input', val);
}
}
},
_elFormItemSize() {
return (this.elFormItem || {}).elFormItemSize;
},
radioSize() {
const temRadioSize = this.size || this._elFormItemSize || (this.$ELEMENT || {}).size;
return this.isGroup
? this._radioGroup.radioGroupSize || temRadioSize
: temRadioSize;
},
isDisabled() {
return this.isGroup
? this._radioGroup.disabled || this.disabled || (this.elForm || {}).disabled
: this.disabled || (this.elForm || {}).disabled;
},
tabIndex() {
return (this.isDisabled || (this.isGroup && this.model !== this.label)) ? -1 : 0;
}
},
methods: {
handleChange() {
this.$nextTick(() => {
this.$emit('change', this.model);
this.isGroup && this.dispatch('ElRadioGroup', 'handleChange', this.model);
});
}
}
};
</script>