<template>
<view class="uni-data-checklist" :style="{ 'margin-top': isTop + 'px' }">
<template v-if="!isLocal">
<view class="uni-data-loading">
<uni-load-more
v-if="!mixinDatacomErrorMessage"
status="loading"
iconType="snow"
:iconSize="18"
:content-text="contentText"
></uni-load-more>
<text v-else>{{ mixinDatacomErrorMessage }}</text>
</view>
</template>
<template v-else>
<checkbox-group
v-if="multiple"
class="checklist-group"
:class="{ 'is-list': mode === 'list' || wrap }"
@change="chagne"
>
<label
class="checklist-box"
:class="[
'is--' + mode,
item.selected ? 'is-checked' : '',
disabled || !!item.disabled ? 'is-disable' : '',
index !== 0 && mode === 'list' ? 'is-list-border' : '',
]"
:style="item.styleBackgroud"
v-for="(item, index) in dataList"
:key="index"
>
<checkbox
class="hidden"
hidden
:disabled="disabled || !!item.disabled"
:value="item[map.value] + ''"
:checked="item.selected"
/>
<view
v-if="(mode !== 'tag' && mode !== 'list') || (mode === 'list' && icon === 'left')"
class="checkbox__inner"
:style="item.styleIcon"
>
<view class="checkbox__inner-icon"></view>
</view>
<view
class="checklist-content"
:class="{ 'list-content': mode === 'list' && icon === 'left' }"
>
<text class="checklist-text" :style="item.styleIconText">{{ item[map.text] }}</text>
<view
v-if="mode === 'list' && icon === 'right'"
class="checkobx__list"
:style="item.styleBackgroud"
></view>
</view>
</label>
</checkbox-group>
<radio-group
v-else
class="checklist-group"
:class="{ 'is-list': mode === 'list', 'is-wrap': wrap }"
@change="chagne"
>
<!-- -->
<label
class="checklist-box"
:class="[
'is--' + mode,
item.selected ? 'is-checked' : '',
disabled || !!item.disabled ? 'is-disable' : '',
index !== 0 && mode === 'list' ? 'is-list-border' : '',
]"
:style="item.styleBackgroud"
v-for="(item, index) in dataList"
:key="index"
>
<radio
class="hidden"
hidden
:disabled="disabled || item.disabled"
:value="item[map.value] + ''"
:checked="item.selected"
/>
<view
v-if="(mode !== 'tag' && mode !== 'list') || (mode === 'list' && icon === 'left')"
class="radio__inner"
:style="item.styleBackgroud"
>
<view class="radio__inner-icon" :style="item.styleIcon"></view>
</view>
<view
class="checklist-content"
:class="{ 'list-content': mode === 'list' && icon === 'left' }"
>
<text class="checklist-text" :style="item.styleIconText">{{ item[map.text] }}</text>
<view
v-if="mode === 'list' && icon === 'right'"
:style="item.styleRightIcon"
class="checkobx__list"
></view>
</view>
</label>
</radio-group>
</template>
</view>
</template>
<script>
/**
* DataChecklist 数据选择器
* @description 通过数据渲染 checkbox 和 radio
* @tutorial https://ext.dcloud.net.cn/plugin?id=xxx
* @property {String} mode = [default| list | button | tag] 显示模式
* @value default 默认横排模式
* @value list 列表模式
* @value button 按钮模式
* @value tag 标签模式
* @property {Boolean} multiple = [true|false] 是否多选
* @property {Array|String|Number} value 默认值
* @property {Array} localdata 本地数据 ，格式 [{text:'',value:''}]
* @property {Number|String} min 最小选择个数 ，multiple为true时生效
* @property {Number|String} max 最大选择个数 ，multiple为true时生效
* @property {Boolean} wrap 是否换行显示
* @property {String} icon = [left|right] list 列表模式下icon显示位置
* @property {Boolean} selectedColor 选中颜色
* @property {Boolean} emptyText 没有数据时显示的文字 ，本地数据无效
* @property {Boolean} selectedTextColor 选中文本颜色，如不填写则自动显示
* @property {Object} map 字段映射， 默认 map={text:'text',value:'value'}
* @value left 左侧显示
* @value right 右侧显示
* @event {Function} change 选中发生变化触发
*/
export default {
name: 'uniDataChecklist',
mixins: [uniCloud.mixinDatacom || {}],
emits: ['input', 'update:modelValue', 'change'],
props: {
mode: {
type: String,
default: 'default',
},
multiple: {
type: Boolean,
default: false,
},
value: {
type: [Array, String, Number],
default() {
return '';
},
},
// TODO vue3
modelValue: {
type: [Array, String, Number],
default() {
return '';
},
},
localdata: {
type: Array,
default() {
return [];
},
},
min: {
type: [Number, String],
default: '',
},
max: {
type: [Number, String],
default: '',
},
wrap: {
type: Boolean,
default: false,
},
icon: {
type: String,
default: 'left',
},
selectedColor: {
type: String,
default: '',
},
selectedTextColor: {
type: String,
default: '',
},
emptyText: {
type: String,
default: '暂无数据',
},
disabled: {
type: Boolean,
default: false,
},
map: {
type: Object,
default() {
return {
text: 'text',
value: 'value',
};
},
},
},
watch: {
localdata: {
handler(newVal) {
this.range = newVal;
this.dataList = this.getDataList(this.getSelectedValue(newVal));
},
deep: true,
},
mixinDatacomResData(newVal) {
this.range = newVal;
this.dataList = this.getDataList(this.getSelectedValue(newVal));
},
value(newVal) {
this.dataList = this.getDataList(newVal);
// fix by mehaotian is_reset 在 uni-forms 中定义
if (!this.is_reset) {
this.is_reset = false;
this.formItem && this.formItem.setValue(newVal);
}
},
modelValue(newVal) {
this.dataList = this.getDataList(newVal);
if (!this.is_reset) {
this.is_reset = false;
this.formItem && this.formItem.setValue(newVal);
}
},
},
data() {
return {
dataList: [],
range: [],
contentText: {
contentdown: '查看更多',
contentrefresh: '加载中',
contentnomore: '没有更多',
},
isLocal: true,
styles: {
selectedColor: '#2979ff',
selectedTextColor: '#666',
},
isTop: 0,
};
},
computed: {
dataValue() {
if (this.value === '') return this.modelValue;
if (this.modelValue === '') return this.value;
return this.value;
},
},
created() {
this.form = this.getForm('uniForms');
this.formItem = this.getForm('uniFormsItem');
// this.formItem && this.formItem.setValue(this.value)
if (this.formItem) {
this.isTop = 6;
if (this.formItem.name) {
// 如果存在name添加默认值,否则formData 中不存在这个字段不校验
if (!this.is_reset) {
this.is_reset = false;
this.formItem.setValue(this.dataValue);
}
this.rename = this.formItem.name;
this.form.inputChildrens.push(this);
}
}
if (this.localdata && this.localdata.length !== 0) {
this.isLocal = true;
this.range = this.localdata;
this.dataList = this.getDataList(this.getSelectedValue(this.range));
} else {
if (this.collection) {
this.isLocal = false;
this.loadData();
}
}
},
methods: {
loadData() {
this.mixinDatacomGet()
.then((res) => {
this.mixinDatacomResData = res.result.data;
if (this.mixinDatacomResData.length === 0) {
this.isLocal = false;
this.mixinDatacomErrorMessage = this.emptyText;
} else {
this.isLocal = true;
}
})
.catch((err) => {
this.mixinDatacomErrorMessage = err.message;
});
},
/**
* 获取父元素实例
*/
getForm(name = 'uniForms') {
let parent = this.$parent;
let parentName = parent.$options.name;
while (parentName !== name) {
parent = parent.$parent;
if (!parent) return false;
parentName = parent.$options.name;
}
return parent;
},
chagne(e) {
const values = e.detail.value;
let detail = {
value: [],
data: [],
};
if (this.multiple) {
this.range.forEach((item) => {
if (values.includes(item[this.map.value] + '')) {
detail.value.push(item[this.map.value]);
detail.data.push(item);
}
});
} else {
const range = this.range.find((item) => item[this.map.value] + '' === values);
if (range) {
detail = {
value: range[this.map.value],
data: range,
};
}
}
this.formItem && this.formItem.setValue(detail.value);
// TODO 兼容 vue2
this.$emit('input', detail.value);
// // TOTO 兼容 vue3
this.$emit('update:modelValue', detail.value);
this.$emit('change', {
detail,
});
if (this.multiple) {
// 如果 v-model 没有绑定 ，则走内部逻辑
// if (this.value.length === 0) {
this.dataList = this.getDataList(detail.value, true);
// }
} else {
this.dataList = this.getDataList(detail.value);
}
},
/**
* 获取渲染的新数组
* @param {Object} value 选中内容
*/
getDataList(value) {
// 解除引用关系，破坏原引用关系，避免污染源数据
let dataList = JSON.parse(JSON.stringify(this.range));
let list = [];
if (this.multiple) {
if (!Array.isArray(value)) {
value = [];
}
}
dataList.forEach((item, index) => {
item.disabled = item.disable || item.disabled || false;
if (this.multiple) {
if (value.length > 0) {
let have = value.find((val) => val === item[this.map.value]);
item.selected = have !== undefined;
} else {
item.selected = false;
}
} else {
item.selected = value === item[this.map.value];
}
list.push(item);
});
return this.setRange(list);
},
/**
* 处理最大最小值
* @param {Object} list
*/
setRange(list) {
let selectList = list.filter((item) => item.selected);
let min = Number(this.min) || 0;
let max = Number(this.max) || '';
list.forEach((item, index) => {
if (this.multiple) {
if (selectList.length <= min) {
let have = selectList.find((val) => val[this.map.value] === item[this.map.value]);
if (have !== undefined) {
item.disabled = true;
}
}
if (selectList.length >= max && max !== '') {
let have = selectList.find((val) => val[this.map.value] === item[this.map.value]);
if (have === undefined) {
item.disabled = true;
}
}
}
this.setStyles(item, index);
list[index] = item;
});
return list;
},
/**
* 设置 class
* @param {Object} item
* @param {Object} index
*/
setStyles(item, index) {
// 设置自定义样式
item.styleBackgroud = this.setStyleBackgroud(item);
item.styleIcon = this.setStyleIcon(item);
item.styleIconText = this.setStyleIconText(item);
item.styleRightIcon = this.setStyleRightIcon(item);
},
/**
* 获取选中值
* @param {Object} range
*/
getSelectedValue(range) {
if (!this.multiple) return this.dataValue;
let selectedArr = [];
range.forEach((item) => {
if (item.selected) {
selectedArr.push(item[this.map.value]);
}
});
return this.dataValue && this.dataValue.length > 0 ? this.dataValue : selectedArr;
},
/**
* 设置背景样式
*/
setStyleBackgroud(item) {
let styles = {};
let selectedColor = this.selectedColor ? this.selectedColor : '#2979ff';
if (this.mode !== 'list') {
styles['border-color'] = item.selected ? selectedColor : '#DCDFE6';
}
if (this.mode === 'tag') {
styles['background-color'] = item.selected ? selectedColor : '#f5f5f5';
}
let classles = '';
for (let i in styles) {
classles += `${i}:${styles[i]};`;
}
return classles;
},
setStyleIcon(item) {
let styles = {};
let classles = '';
let selectedColor = this.selectedColor ? this.selectedColor : '#2979ff';
styles['background-color'] = item.selected ? selectedColor : '#fff';
styles['border-color'] = item.selected ? selectedColor : '#DCDFE6';
if (!item.selected && item.disabled) {
styles['background-color'] = '#F2F6FC';
styles['border-color'] = item.selected ? selectedColor : '#DCDFE6';
}
for (let i in styles) {
classles += `${i}:${styles[i]};`;
}
return classles;
},
setStyleIconText(item) {
let styles = {};
let classles = '';
let selectedColor = this.selectedColor ? this.selectedColor : '#2979ff';
if (this.mode === 'tag') {
styles.color = item.selected
? this.selectedTextColor
? this.selectedTextColor
: '#fff'
: '#666';
} else {
styles.color = item.selected
? this.selectedTextColor
? this.selectedTextColor
: selectedColor
: '#666';
}
if (!item.selected && item.disabled) {
styles.color = '#999';
}
for (let i in styles) {
classles += `${i}:${styles[i]};`;
}
return classles;
},
setStyleRightIcon(item) {
let styles = {};
let classles = '';
if (this.mode === 'list') {
styles['border-color'] = item.selected ? this.styles.selectedColor : '#DCDFE6';
}
for (let i in styles) {
classles += `${i}:${styles[i]};`;
}
return classles;
},
},
};
</script>
<style lang="scss">
$checked-color: var(--ui-BG-Main);
$border-color: #dcdfe6;
$disable: 0.4;
@mixin flex {
/* #ifndef APP-NVUE */
display: flex;
/* #endif */
}
.uni-data-loading {
@include flex;
flex-direction: row;
justify-content: center;
align-items: center;
height: 36px;
padding-left: 10px;
color: #999;
}
.uni-data-checklist {
position: relative;
z-index: 0;
flex: 1;
// 多选样式
.checklist-group {
@include flex;
flex-direction: row;
flex-wrap: wrap;
&.is-list {
flex-direction: column;
}
.checklist-box {
@include flex;
flex-direction: row;
align-items: center;
position: relative;
margin: 5px 0;
margin-right: 25px;
.hidden {
position: absolute;
opacity: 0;
}
// 文字样式
.checklist-content {
@include flex;
flex: 1;
flex-direction: row;
align-items: center;
justify-content: space-between;
.checklist-text {
font-size: 14px;
color: #666;
margin-left: 5px;
line-height: 14px;
}
.checkobx__list {
border-right-width: 1px;
border-right-color: #007aff;
border-right-style: solid;
border-bottom-width: 1px;
border-bottom-color: #007aff;
border-bottom-style: solid;
height: 12px;
width: 6px;
left: -5px;
transform-origin: center;
transform: rotate(45deg);
opacity: 0;
}
}
// 多选样式
.checkbox__inner {
/* #ifndef APP-NVUE */
flex-shrink: 0;
box-sizing: border-box;
/* #endif */
position: relative;
width: 16px;
height: 16px;
border: 1px solid $border-color;
border-radius: 4px;
background-color: #fff;
z-index: 1;
.checkbox__inner-icon {
position: absolute;
/* #ifdef APP-NVUE */
top: 2px;
/* #endif */
/* #ifndef APP-NVUE */
top: 1px;
/* #endif */
left: 5px;
height: 8px;
width: 4px;
border-right-width: 1px;
border-right-color: #fff;
border-right-style: solid;
border-bottom-width: 1px;
border-bottom-color: #fff;
border-bottom-style: solid;
opacity: 0;
transform-origin: center;
transform: rotate(40deg);
}
}
// 单选样式
.radio__inner {
@include flex;
/* #ifndef APP-NVUE */
flex-shrink: 0;
box-sizing: border-box;
/* #endif */
justify-content: center;
align-items: center;
position: relative;
width: 16px;
height: 16px;
border: 1px solid $border-color;
border-radius: 16px;
background-color: #fff;
z-index: 1;
.radio__inner-icon {
width: 8px;
height: 8px;
border-radius: 10px;
opacity: 0;
}
}
// 默认样式
&.is--default {
// 禁用
&.is-disable {
/* #ifdef H5 */
cursor: not-allowed;
/* #endif */
.checkbox__inner {
background-color: #f2f6fc;
border-color: $border-color;
/* #ifdef H5 */
cursor: not-allowed;
/* #endif */
}
.radio__inner {
background-color: #f2f6fc;
border-color: $border-color;
}
.checklist-text {
color: #999;
}
}
// 选中
&.is-checked {
.checkbox__inner {
border-color: $checked-color;
background-color: $checked-color;
.checkbox__inner-icon {
opacity: 1;
transform: rotate(45deg);
}
}
.radio__inner {
border-color: $checked-color;
.radio__inner-icon {
opacity: 1;
background-color: $checked-color;
}
}
.checklist-text {
color: $checked-color;
}
// 选中禁用
&.is-disable {
.checkbox__inner {
opacity: $disable;
}
.checklist-text {
opacity: $disable;
}
.radio__inner {
opacity: $disable;
}
}
}
}
// 按钮样式
&.is--button {
margin-right: 10px;
padding: 5px 10px;
border: 1px $border-color solid;
border-radius: 3px;
transition: border-color 0.2s;
// 禁用
&.is-disable {
/* #ifdef H5 */
cursor: not-allowed;
/* #endif */
border: 1px #eee solid;
opacity: $disable;
.checkbox__inner {
background-color: #f2f6fc;
border-color: $border-color;
/* #ifdef H5 */
cursor: not-allowed;
/* #endif */
}
.radio__inner {
background-color: #f2f6fc;
border-color: $border-color;
/* #ifdef H5 */
cursor: not-allowed;
/* #endif */
}
.checklist-text {
color: #999;
}
}
&.is-checked {
border-color: $checked-color;
.checkbox__inner {
border-color: $checked-color;
background-color: $checked-color;
.checkbox__inner-icon {
opacity: 1;
transform: rotate(45deg);
}
}
.radio__inner {
border-color: $checked-color;
.radio__inner-icon {
opacity: 1;
background-color: $checked-color;
}
}
.checklist-text {
color: $checked-color;
}
// 选中禁用
&.is-disable {
opacity: $disable;
}
}
}
// 标签样式
&.is--tag {
margin-right: 10px;
padding: 5px 10px;
border: 1px $border-color solid;
border-radius: 3px;
background-color: #f5f5f5;
.checklist-text {
margin: 0;
color: #666;
}
// 禁用
&.is-disable {
/* #ifdef H5 */
cursor: not-allowed;
/* #endif */
opacity: $disable;
}
&.is-checked {
background-color: $checked-color;
border-color: $checked-color;
.checklist-text {
color: #fff;
}
}
}
// 列表样式
&.is--list {
/* #ifndef APP-NVUE */
display: flex;
/* #endif */
padding: 10px 15px;
padding-left: 0;
margin: 0;
&.is-list-border {
border-top: 1px #eee solid;
}
// 禁用
&.is-disable {
/* #ifdef H5 */
cursor: not-allowed;
/* #endif */
.checkbox__inner {
background-color: #f2f6fc;
border-color: $border-color;
/* #ifdef H5 */
cursor: not-allowed;
/* #endif */
}
.checklist-text {
color: #999;
}
}
&.is-checked {
.checkbox__inner {
border-color: $checked-color;
background-color: $checked-color;
.checkbox__inner-icon {
opacity: 1;
transform: rotate(45deg);
}
}
.radio__inner {
.radio__inner-icon {
opacity: 1;
}
}
.checklist-text {
color: $checked-color;
}
.checklist-content {
.checkobx__list {
opacity: 1;
border-color: $checked-color;
}
}
// 选中禁用
&.is-disable {
.checkbox__inner {
opacity: $disable;
}
.checklist-text {
opacity: $disable;
}
}
}
}
}
}
}
</style>