413 lines
12 KiB
Vue
413 lines
12 KiB
Vue
<template>
|
||
<view
|
||
:class="`wd-picker ${disabled ? 'is-disabled' : ''} ${size ? 'is-' + size : ''} ${alignRight ? 'is-align-right' : ''} ${
|
||
error ? 'is-error' : ''
|
||
} ${customClass}`"
|
||
:style="customStyle"
|
||
>
|
||
<wd-cell
|
||
v-if="!$slots.default"
|
||
:title="label"
|
||
:value="showValue ? showValue : placeholder || translate('placeholder')"
|
||
:required="required"
|
||
:size="size"
|
||
:title-width="labelWidth"
|
||
:prop="prop"
|
||
:rules="rules"
|
||
:clickable="!disabled && !readonly"
|
||
:value-align="alignRight ? 'right' : 'left'"
|
||
:custom-class="cellClass"
|
||
:custom-style="customStyle"
|
||
:custom-title-class="customLabelClass"
|
||
:custom-value-class="customValueClass"
|
||
:ellipsis="ellipsis"
|
||
:use-title-slot="!!$slots.label"
|
||
:marker-side="markerSide"
|
||
@click="showPopup"
|
||
>
|
||
<template v-if="$slots.label" #title>
|
||
<slot name="label"></slot>
|
||
</template>
|
||
<template #right-icon>
|
||
<wd-icon v-if="showArrow" custom-class="wd-picker__arrow" name="arrow-right" />
|
||
<view v-else-if="showClear" @click.stop="handleClear">
|
||
<wd-icon custom-class="wd-picker__clear" name="error-fill" />
|
||
</view>
|
||
</template>
|
||
</wd-cell>
|
||
<view v-else @click="showPopup">
|
||
<slot></slot>
|
||
</view>
|
||
<wd-popup
|
||
v-model="popupShow"
|
||
position="bottom"
|
||
:hide-when-close="false"
|
||
:close-on-click-modal="closeOnClickModal"
|
||
:z-index="zIndex"
|
||
:safe-area-inset-bottom="safeAreaInsetBottom"
|
||
:root-portal="rootPortal"
|
||
@close="onCancel"
|
||
custom-class="wd-picker__popup"
|
||
>
|
||
<view class="wd-picker__wraper">
|
||
<view class="wd-picker__toolbar" @touchmove="noop">
|
||
<view class="wd-picker__action wd-picker__action--cancel" @click="onCancel">
|
||
{{ cancelButtonText || translate('cancel') }}
|
||
</view>
|
||
<view v-if="title" class="wd-picker__title">{{ title }}</view>
|
||
<view :class="`wd-picker__action ${isLoading ? 'is-loading' : ''}`" @click="onConfirm">
|
||
{{ confirmButtonText || translate('done') }}
|
||
</view>
|
||
</view>
|
||
<wd-picker-view
|
||
ref="pickerViewWd"
|
||
:custom-class="customViewClass"
|
||
v-model="pickerValue"
|
||
:columns="displayColumns"
|
||
:loading="isLoading"
|
||
:loading-color="loadingColor"
|
||
:columns-height="columnsHeight"
|
||
:value-key="valueKey"
|
||
:label-key="labelKey"
|
||
:immediate-change="immediateChange"
|
||
@change="pickerViewChange"
|
||
@pickstart="onPickStart"
|
||
@pickend="onPickEnd"
|
||
:column-change="columnChange"
|
||
/>
|
||
</view>
|
||
</wd-popup>
|
||
</view>
|
||
</template>
|
||
|
||
<script lang="ts">
|
||
export default {
|
||
name: 'wd-picker',
|
||
options: {
|
||
virtualHost: true,
|
||
addGlobalClass: true,
|
||
styleIsolation: 'shared'
|
||
}
|
||
}
|
||
</script>
|
||
|
||
<script lang="ts" setup>
|
||
import wdIcon from '../wd-icon/wd-icon.vue'
|
||
import wdPopup from '../wd-popup/wd-popup.vue'
|
||
import wdPickerView from '../wd-picker-view/wd-picker-view.vue'
|
||
import wdCell from '../wd-cell/wd-cell.vue'
|
||
import { getCurrentInstance, onBeforeMount, ref, watch, computed, onMounted, nextTick } from 'vue'
|
||
import { deepClone, defaultDisplayFormat, getType, isArray, isDef, isFunction } from '../common/util'
|
||
import { type ColumnItem, formatArray, type PickerViewInstance } from '../wd-picker-view/types'
|
||
import { FORM_KEY, type FormItemRule } from '../wd-form/types'
|
||
import { useParent } from '../composables/useParent'
|
||
import { useTranslate } from '../composables/useTranslate'
|
||
import { pickerProps, type PickerExpose } from './types'
|
||
const { translate } = useTranslate('picker')
|
||
|
||
const props = defineProps(pickerProps)
|
||
const emit = defineEmits(['confirm', 'open', 'cancel', 'clear', 'update:modelValue'])
|
||
|
||
const pickerViewWd = ref<PickerViewInstance | null>(null)
|
||
|
||
const innerLoading = ref<boolean>(false) // 内部控制是否loading
|
||
|
||
// 弹出层是否显示
|
||
const popupShow = ref<boolean>(false)
|
||
// 选定后展示的选中项
|
||
const showValue = ref<string>('')
|
||
const pickerValue = ref<string | number | boolean | string[] | number[] | boolean[]>('')
|
||
const displayColumns = ref<Array<string | number | ColumnItem | Array<string | number | ColumnItem>>>([]) // 传入 pickerView 的columns
|
||
const resetColumns = ref<Array<string | number | ColumnItem | Array<string | number | ColumnItem>>>([]) // 保存之前的 columns，当取消时，将数据源回滚，避免多级联动数据源不正确的情况
|
||
const isPicking = ref<boolean>(false) // 判断pickview是否还在滑动中
|
||
const hasConfirmed = ref<boolean>(false) // 判断用户是否点击了确认按钮
|
||
|
||
const isLoading = computed(() => {
|
||
return props.loading || innerLoading.value
|
||
})
|
||
|
||
watch(
|
||
() => props.displayFormat,
|
||
(fn) => {
|
||
if (fn && !isFunction(fn)) {
|
||
console.error('The type of displayFormat must be Function')
|
||
}
|
||
if (pickerViewWd.value && pickerViewWd.value.getSelectedIndex().length !== 0) {
|
||
handleShowValueUpdate(props.modelValue)
|
||
}
|
||
},
|
||
{
|
||
immediate: true,
|
||
deep: true
|
||
}
|
||
)
|
||
|
||
watch(
|
||
() => props.modelValue,
|
||
(newValue) => {
|
||
pickerValue.value = newValue
|
||
// 获取初始选中项,并展示初始选中文案
|
||
handleShowValueUpdate(newValue)
|
||
},
|
||
{
|
||
deep: true,
|
||
immediate: true
|
||
}
|
||
)
|
||
|
||
watch(
|
||
() => props.columns,
|
||
(newValue) => {
|
||
displayColumns.value = deepClone(newValue)
|
||
resetColumns.value = deepClone(newValue)
|
||
if (newValue.length === 0) {
|
||
// 当 columns 变为空时，清空 pickerValue 和 showValue
|
||
pickerValue.value = isArray(props.modelValue) ? [] : ''
|
||
showValue.value = ''
|
||
} else {
|
||
// 非空时正常更新显示值
|
||
handleShowValueUpdate(props.modelValue)
|
||
}
|
||
},
|
||
{
|
||
deep: true,
|
||
immediate: true
|
||
}
|
||
)
|
||
|
||
watch(
|
||
() => props.columnChange,
|
||
(newValue) => {
|
||
if (newValue && !isFunction(newValue)) {
|
||
console.error('The type of columnChange must be Function')
|
||
}
|
||
},
|
||
{
|
||
deep: true,
|
||
immediate: true
|
||
}
|
||
)
|
||
|
||
// 是否展示清除按钮
|
||
const showClear = computed(() => {
|
||
return props.clearable && !props.disabled && !props.readonly && showValue.value.length > 0
|
||
})
|
||
|
||
// 是否展示箭头
|
||
const showArrow = computed(() => {
|
||
return !props.disabled && !props.readonly && !showClear.value
|
||
})
|
||
|
||
const cellClass = computed(() => {
|
||
const classes = ['wd-picker__cell']
|
||
if (props.disabled) classes.push('is-disabled')
|
||
if (props.readonly) classes.push('is-readonly')
|
||
if (props.error) classes.push('is-error')
|
||
if (!showValue.value) classes.push('wd-picker__cell--placeholder')
|
||
return classes.join(' ')
|
||
})
|
||
|
||
const { proxy } = getCurrentInstance() as any
|
||
|
||
onMounted(() => {
|
||
handleShowValueUpdate(props.modelValue)
|
||
})
|
||
|
||
onBeforeMount(() => {
|
||
displayColumns.value = deepClone(props.columns)
|
||
resetColumns.value = deepClone(props.columns)
|
||
})
|
||
|
||
/**
|
||
* 值变更时更新显示内容
|
||
* @param value
|
||
*/
|
||
function handleShowValueUpdate(value: string | number | Array<string | number>) {
|
||
// 获取初始选中项,并展示初始选中文案
|
||
if ((isArray(value) && value.length > 0) || (isDef(value) && !isArray(value) && value !== '')) {
|
||
if (pickerViewWd.value) {
|
||
nextTick(() => {
|
||
setShowValue(pickerViewWd.value!.getSelects())
|
||
})
|
||
} else {
|
||
setShowValue(getSelects(value)!)
|
||
}
|
||
} else {
|
||
showValue.value = ''
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @description 根据传入的value，picker组件获取当前cell展示值。
|
||
* @param {String|Number|Array<String|Number|Array<any>>}value
|
||
*/
|
||
function getSelects(value: string | number | Array<string | number | Array<any>>) {
|
||
const formatColumns = formatArray(props.columns, props.valueKey, props.labelKey)
|
||
if (props.columns.length === 0) return
|
||
|
||
// 使其默认选中首项
|
||
if (value === '' || !isDef(value) || (isArray(value) && value.length === 0)) {
|
||
return
|
||
}
|
||
const valueType = getType(value)
|
||
const type = ['string', 'number', 'boolean', 'array']
|
||
if (type.indexOf(valueType) === -1) return []
|
||
/**
|
||
* 1.单key转为Array<key>
|
||
* 2.根据formatColumns的长度截取Array<String>，保证下面的遍历不溢出
|
||
* 3.根据每列的key值找到选项中value为此key的下标并记录
|
||
*/
|
||
value = isArray(value) ? value : [value]
|
||
value = value.slice(0, formatColumns.length)
|
||
|
||
if (value.length === 0) {
|
||
value = formatColumns.map(() => 0)
|
||
}
|
||
let selected: number[] = []
|
||
value.forEach((target, col) => {
|
||
let row = formatColumns[col].findIndex((row) => {
|
||
return row[props.valueKey].toString() === target.toString()
|
||
})
|
||
row = row === -1 ? 0 : row
|
||
selected.push(row)
|
||
})
|
||
|
||
const selects = selected.map((row, col) => formatColumns[col][row])
|
||
// 单列选择器，则返回单项
|
||
if (selects.length === 1) {
|
||
return selects[0]
|
||
}
|
||
return selects
|
||
}
|
||
|
||
// 对外暴露方法，打开弹框
|
||
function open() {
|
||
showPopup()
|
||
}
|
||
// 对外暴露方法，关闭弹框
|
||
function close() {
|
||
onCancel()
|
||
}
|
||
/**
|
||
* 展示popup
|
||
*/
|
||
function showPopup() {
|
||
if (props.disabled || props.readonly) return
|
||
|
||
emit('open')
|
||
popupShow.value = true
|
||
pickerValue.value = props.modelValue
|
||
displayColumns.value = resetColumns.value
|
||
}
|
||
|
||
/**
|
||
* 点击取消按钮触发。关闭popup，触发cancel事件。
|
||
*/
|
||
function onCancel() {
|
||
popupShow.value = false
|
||
emit('cancel')
|
||
let timmer = setTimeout(() => {
|
||
clearTimeout(timmer)
|
||
isDef(pickerViewWd.value) && pickerViewWd.value.resetColumns(resetColumns.value)
|
||
}, 300)
|
||
}
|
||
/**
|
||
* 点击确定按钮触发。展示选中值，触发cancel事件。
|
||
*/
|
||
function onConfirm() {
|
||
if (isLoading.value) return
|
||
|
||
// 如果当前还在滑动且未停止下来，则锁住先不确认，等滑完再自动确认，避免pickview值未更新
|
||
if (isPicking.value) {
|
||
hasConfirmed.value = true
|
||
return
|
||
}
|
||
|
||
const { beforeConfirm } = props
|
||
if (beforeConfirm && isFunction(beforeConfirm)) {
|
||
beforeConfirm(
|
||
pickerValue.value,
|
||
(isPass: boolean) => {
|
||
isPass && handleConfirm()
|
||
},
|
||
proxy.$.exposed
|
||
)
|
||
} else {
|
||
handleConfirm()
|
||
}
|
||
}
|
||
function handleConfirm() {
|
||
if (isLoading.value || props.disabled) {
|
||
popupShow.value = false
|
||
return
|
||
}
|
||
|
||
const selects = pickerViewWd.value!.getSelects()
|
||
const values = pickerViewWd.value!.getValues()
|
||
// 获取当前的数据源，并设置给 resetColumns，用于取消时可以回退数据源
|
||
const columns = pickerViewWd.value!.getColumnsData()
|
||
popupShow.value = false
|
||
resetColumns.value = deepClone(columns)
|
||
emit('update:modelValue', values)
|
||
|
||
setShowValue(selects)
|
||
emit('confirm', {
|
||
value: values,
|
||
selectedItems: selects
|
||
})
|
||
}
|
||
/**
|
||
* 初始change事件
|
||
* @param event
|
||
*/
|
||
function pickerViewChange({ value }: any) {
|
||
pickerValue.value = value
|
||
}
|
||
/**
|
||
* 设置展示值
|
||
* @param items
|
||
*/
|
||
function setShowValue(items: ColumnItem | ColumnItem[]) {
|
||
// 避免值为空时调用自定义展示函数
|
||
if ((isArray(items) && !items.length) || !items) return
|
||
|
||
const { valueKey, labelKey } = props
|
||
showValue.value = (props.displayFormat || defaultDisplayFormat)(items, { valueKey, labelKey })
|
||
}
|
||
function noop() {}
|
||
function onPickStart() {
|
||
isPicking.value = true
|
||
}
|
||
function onPickEnd() {
|
||
isPicking.value = false
|
||
|
||
if (hasConfirmed.value) {
|
||
hasConfirmed.value = false
|
||
onConfirm()
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 外部设置是否loading
|
||
* @param loading 是否loading
|
||
*/
|
||
function setLoading(loading: boolean) {
|
||
innerLoading.value = loading
|
||
}
|
||
|
||
function handleClear() {
|
||
const clearValue = isArray(pickerValue.value) ? [] : ''
|
||
emit('update:modelValue', clearValue)
|
||
emit('clear')
|
||
}
|
||
|
||
defineExpose<PickerExpose>({
|
||
close,
|
||
open,
|
||
setLoading
|
||
})
|
||
</script>
|
||
<style lang="scss" scoped>
|
||
@import './index.scss';
|
||
</style>
|