You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
272 lines
7.8 KiB
272 lines
7.8 KiB
3 years ago
|
<template>
|
||
|
|
<view class="u-radio" :style="[radioStyle]">
|
||
|
|
<view class="u-radio__icon-wrap" @tap="toggle" :class="[iconClass]" :style="[iconStyle]">
|
||
|
|
<u-icon
|
||
|
|
class="u-radio__icon-wrap__icon"
|
||
|
|
name="checkbox-mark"
|
||
|
|
:size="elIconSize"
|
||
|
|
:color="iconColor"/>
|
||
|
|
</view>
|
||
|
|
<view class="u-radio__label" @tap="onClickLabel" :style="{
|
||
|
|
fontSize: $u.addUnit(labelSize)
|
||
|
|
}">
|
||
|
|
<slot />
|
||
|
|
</view>
|
||
|
|
</view>
|
||
|
|
</template>
|
||
|
|
|
||
|
|
<script>
|
||
|
|
/**
|
||
|
|
* radio 单选框
|
||
|
|
* @description 单选框用于有一个选择，用户只能选择其中一个的场景。搭配u-radio-group使用
|
||
|
|
* @tutorial https://www.uviewui.com/components/radio.html
|
||
|
|
* @property {String Number} icon-size 图标大小，单位rpx（默认24）
|
||
|
|
* @property {String Number} label-size label字体大小，单位rpx（默认28）
|
||
|
|
* @property {String Number} name radio组件的标示符
|
||
|
|
* @property {String} shape 形状，见上方说明（默认circle）
|
||
|
|
* @property {Boolean} disabled 是否禁用（默认false）
|
||
|
|
* @property {Boolean} label-disabled 点击文本是否可以操作radio（默认true）
|
||
|
|
* @property {String} active-color 选中时的颜色，如设置parent的active-color将失效
|
||
|
|
* @event {Function} change 某个radio状态发生变化时触发(选中状态)
|
||
|
|
* @example <u-radio :label-disabled="false">门掩黄昏，无计留春住</u-radio>
|
||
|
|
*/
|
||
|
|
export default {
|
||
|
|
name: "u-radio",
|
||
|
|
props: {
|
||
|
|
// radio的名称
|
||
|
|
name: {
|
||
|
|
type: [String, Number],
|
||
|
|
default: ''
|
||
|
|
},
|
||
|
|
// 形状，square为方形，circle为原型
|
||
|
|
shape: {
|
||
|
|
type: String,
|
||
|
|
default: ''
|
||
|
|
},
|
||
|
|
// 是否禁用
|
||
|
|
disabled: {
|
||
|
|
type: [String, Boolean],
|
||
|
|
default: ''
|
||
|
|
},
|
||
|
|
// 是否禁止点击提示语选中复选框
|
||
|
|
labelDisabled: {
|
||
|
|
type: [String, Boolean],
|
||
|
|
default: ''
|
||
|
|
},
|
||
|
|
// 选中状态下的颜色，如设置此值，将会覆盖parent的activeColor值
|
||
|
|
activeColor: {
|
||
|
|
type: String,
|
||
|
|
default: ''
|
||
|
|
},
|
||
|
|
// 图标的大小，单位rpx
|
||
|
|
iconSize: {
|
||
|
|
type: [String, Number],
|
||
|
|
default: ''
|
||
|
|
},
|
||
|
|
// label的字体大小，rpx单位
|
||
|
|
labelSize: {
|
||
|
|
type: [String, Number],
|
||
|
|
default: ''
|
||
|
|
},
|
||
|
|
},
|
||
|
|
data() {
|
||
|
|
return {
|
||
|
|
// 父组件的默认值，因为头条小程序不支持在computed中使用this.parent.shape的形式
|
||
|
|
// 故只能使用如此方法
|
||
|
|
parentData: {
|
||
|
|
iconSize: null,
|
||
|
|
labelDisabled: null,
|
||
|
|
disabled: null,
|
||
|
|
shape: null,
|
||
|
|
activeColor: null,
|
||
|
|
size: null,
|
||
|
|
width: null,
|
||
|
|
height: null,
|
||
|
|
value: null,
|
||
|
|
wrap: null
|
||
|
|
}
|
||
|
|
};
|
||
|
|
},
|
||
|
|
created() {
|
||
|
|
this.parent = false;
|
||
|
|
// 支付宝小程序不支持provide/inject，所以使用这个方法获取整个父组件，在created定义，避免循环引用
|
||
|
|
this.updateParentData();
|
||
|
|
this.parent.children.push(this);
|
||
|
|
},
|
||
|
|
computed: {
|
||
|
|
// 是否禁用，如果父组件u-raios-group禁用的话，将会忽略子组件的配置
|
||
|
|
elDisabled() {
|
||
|
|
return this.disabled !== '' ? this.disabled : this.parentData.disabled !== null ? this.parentData.disabled : false;
|
||
|
|
},
|
||
|
|
// 是否禁用label点击
|
||
|
|
elLabelDisabled() {
|
||
|
|
return this.labelDisabled !== '' ? this.labelDisabled : this.parentData.labelDisabled !== null ? this.parentData.labelDisabled : false;
|
||
|
|
},
|
||
|
|
// 组件尺寸，对应size的值，默认值为34rpx
|
||
|
|
elSize() {
|
||
|
|
return this.size ? this.size : (this.parentData.size ? this.parentData.size : 34);
|
||
|
|
},
|
||
|
|
// 组件的勾选图标的尺寸，默认20
|
||
|
|
elIconSize() {
|
||
|
|
return this.iconSize ? this.iconSize : (this.parentData.iconSize ? this.parentData.iconSize : 20);
|
||
|
|
},
|
||
|
|
// 组件选中激活时的颜色
|
||
|
|
elActiveColor() {
|
||
|
|
return this.activeColor ? this.activeColor : (this.parentData.activeColor ? this.parentData.activeColor : 'primary');
|
||
|
|
},
|
||
|
|
// 组件的形状
|
||
|
|
elShape() {
|
||
|
|
return this.shape ? this.shape : (this.parentData.shape ? this.parentData.shape : 'circle');
|
||
|
|
},
|
||
|
|
// 设置radio的状态，要求radio的name等于parent的value时才为选中状态
|
||
|
|
iconStyle() {
|
||
|
|
let style = {};
|
||
|
|
if (this.elActiveColor && this.parentData.value == this.name && !this.elDisabled) {
|
||
|
|
style.borderColor = this.elActiveColor;
|
||
|
|
style.backgroundColor = this.elActiveColor;
|
||
|
|
}
|
||
|
|
style.width = this.$u.addUnit(this.elSize);
|
||
|
|
style.height = this.$u.addUnit(this.elSize);
|
||
|
|
return style;
|
||
|
|
},
|
||
|
|
iconColor() {
|
||
|
|
return this.name == this.parentData.value ? '#ffffff' : 'transparent';
|
||
|
|
},
|
||
|
|
iconClass() {
|
||
|
|
let classes = [];
|
||
|
|
classes.push('u-radio__icon-wrap--' + this.elShape);
|
||
|
|
if (this.name == this.parentData.value) classes.push('u-radio__icon-wrap--checked');
|
||
|
|
if (this.elDisabled) classes.push('u-radio__icon-wrap--disabled');
|
||
|
|
if (this.name == this.parentData.value && this.elDisabled) classes.push(
|
||
|
|
'u-radio__icon-wrap--disabled--checked');
|
||
|
|
// 支付宝小程序无法动态绑定一个数组类名，否则解析出来的结果会带有","，而导致失效
|
||
|
|
return classes.join(' ');
|
||
|
|
},
|
||
|
|
radioStyle() {
|
||
|
|
let style = {};
|
||
|
|
if (this.parentData.width) {
|
||
|
|
style.width = this.$u.addUnit(this.parentData.width);
|
||
|
|
// #ifdef MP
|
||
|
|
// 各家小程序因为它们特殊的编译结构，使用float布局
|
||
|
|
style.float = 'left';
|
||
|
|
// #endif
|
||
|
|
// #ifndef MP
|
||
|
|
// H5和APP使用flex布局
|
||
|
|
style.flex = `0 0 ${this.$u.addUnit(this.parentData.width)}`;
|
||
|
|
// #endif
|
||
|
|
}
|
||
|
|
if (this.parentData.wrap) {
|
||
|
|
style.width = '100%';
|
||
|
|
// #ifndef MP
|
||
|
|
// H5和APP使用flex布局，将宽度设置100%，即可自动换行
|
||
|
|
style.flex = '0 0 100%';
|
||
|
|
// #endif
|
||
|
|
}
|
||
|
|
return style;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
methods: {
|
||
|
|
updateParentData() {
|
||
|
|
this.getParentData('u-radio-group');
|
||
|
|
},
|
||
|
|
onClickLabel() {
|
||
|
|
if (!this.elLabelDisabled && !this.elDisabled) {
|
||
|
|
this.setRadioCheckedStatus();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
toggle() {
|
||
|
|
if (!this.elDisabled) {
|
||
|
|
this.setRadioCheckedStatus();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
emitEvent() {
|
||
|
|
// u-radio的name不等于父组件的v-model的值时(意味着未选中)，才发出事件，避免多次点击触发事件
|
||
|
|
if(this.parentData.value != this.name) this.$emit('change', this.name);
|
||
|
|
},
|
||
|
|
// 改变组件选中状态
|
||
|
|
// 这里的改变的依据是，更改本组件的parentData.value值为本组件的name值，同时通过父组件遍历所有u-radio实例
|
||
|
|
// 将本组件外的其他u-radio的parentData.value都设置为空(由computed计算后，都被取消选中状态)，因而只剩下一个为选中状态
|
||
|
|
setRadioCheckedStatus() {
|
||
|
|
this.emitEvent();
|
||
|
|
if(this.parent) {
|
||
|
|
this.parent.setValue(this.name);
|
||
|
|
this.parentData.value = this.name;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<style lang="scss" scoped>
|
||
|
|
@import "../../libs/css/style.components.scss";
|
||
|
|
|
||
|
|
.u-radio {
|
||
|
|
/* #ifndef APP-NVUE */
|
||
|
|
display: inline-flex;
|
||
|
|
/* #endif */
|
||
|
|
align-items: center;
|
||
|
|
overflow: hidden;
|
||
|
|
user-select: none;
|
||
|
|
line-height: 1.8;
|
||
|
|
|
||
|
|
&__icon-wrap {
|
||
|
|
color: $u-content-color;
|
||
|
|
@include vue-flex;
|
||
|
|
flex: none;
|
||
|
|
align-items: center;
|
||
|
|
justify-content: center;
|
||
|
|
box-sizing: border-box;
|
||
|
|
width: 42rpx;
|
||
|
|
height: 42rpx;
|
||
|
|
color: transparent;
|
||
|
|
text-align: center;
|
||
|
|
transition-property: color, border-color, background-color;
|
||
|
|
font-size: 20px;
|
||
|
|
border: 1px solid #c8c9cc;
|
||
|
|
transition-duration: 0.2s;
|
||
|
|
|
||
|
|
/* #ifdef MP-TOUTIAO */
|
||
|
|
// 头条小程序兼容性问题，需要设置行高为0，否则图标偏下
|
||
|
|
&__icon {
|
||
|
|
line-height: 0;
|
||
|
|
}
|
||
|
|
/* #endif */
|
||
|
|
|
||
|
|
&--circle {
|
||
|
|
border-radius: 100%;
|
||
|
|
}
|
||
|
|
|
||
|
|
&--square {
|
||
|
|
border-radius: 3px;
|
||
|
|
}
|
||
|
|
|
||
|
|
&--checked {
|
||
|
|
color: #fff;
|
||
|
|
background-color: #2979ff;
|
||
|
|
border-color: #2979ff;
|
||
|
|
}
|
||
|
|
|
||
|
|
&--disabled {
|
||
|
|
background-color: #ebedf0;
|
||
|
|
border-color: #c8c9cc;
|
||
|
|
}
|
||
|
|
|
||
|
|
&--disabled--checked {
|
||
|
|
color: #c8c9cc !important;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
&__label {
|
||
|
|
word-wrap: break-word;
|
||
|
|
margin-left: 10rpx;
|
||
|
|
margin-right: 24rpx;
|
||
|
|
color: $u-content-color;
|
||
|
|
font-size: 30rpx;
|
||
|
|
|
||
|
|
&--disabled {
|
||
|
|
color: #c8c9cc;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</style>
|