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feat(form-select): add select all and clear features for multiple sel…
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…ections

Add new functionalities to the form-select component to support selecting all
options and clearing the selected options in multiple selection mode. This
enhances user interaction with the component by providing convenient batch
operations.
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@People-Sea
People-Sea committed Jul 15, 2024
1 parent f372fb7 commit 0989a51
Showing 1 changed file with 137 additions and 12 deletions.
149 changes: 137 additions & 12 deletions src/components/ma-crud/components/searchFormItem/form-select.vue
View file
Original file line number Diff line number Diff line change
Expand Up @@ -19,13 +19,59 @@
:max-tag-count="1"
:options="dicts[props.component.dataIndex]"
:multiple="props.component.multiple || ['transfer', 'checkbox'].includes(props.component.formType)"
:show-extra-options="false"
:fallback-option="handlerFallback"
:loading="loading"
@change="handlerChangeeEvent"
>
<template #header v-if="props.component.multiple">
<template #header v-if="props.component.multiple && props.component.multipleTools">
<div style="padding: 6px 12px;" >
<a-space>
<a-checkbox :value="false" @change="handleSelectAll">全选/清除</a-checkbox>
<a-button size="mini" type="outline" @click="handleInverse">反选</a-button>
<a-space fill>
<a-checkbox
v-if="isBoolean(props.component.multipleTools) || props.component.multipleTools.selectAll"
:model-value="checkedAll"
:indeterminate="indeterminate"
:disabled="loading"
@change="handleSelectAll">全选/清除</a-checkbox>

<a-button
v-if="isBoolean(props.component.multipleTools) || props.component.multipleTools.inverse"
class="ml-2"
size="mini"
type="outline"
:disabled="loading"
@click="handleInverse">反选</a-button>

<a-popover :content-style="{padding: '0px',width: '256px'}" position="rt" trigger="click" v-if="isBoolean(props.component.multipleTools) || props.component.multipleTools.showSelectAll">
<a-button class="ml-2" size="mini">已选 {{ value.length }}</a-button>
<template #title>
<a-space fill style="padding: 12px;">
<a-button
:disabled="loading || !value.length"
size="mini"
status="danger"
@click="value = []">清空 {{ value.length }}</a-button>
<a-input-search
v-model="keyword"
size="mini"
allow-clear
/>
</a-space>
</template>
<template #content>
<a-scrollbar style="height: 200px;overflow: auto;">
<a-checkbox-group
v-if="(value.length && keyword === '') || Object.keys(filteredOptions).length > 0"
direction="vertical"
v-model="value">
<div v-for="item in filteredOptions" class="select-all-options">
<a-checkbox :value="item.value">{{ item.label }}</a-checkbox>
</div>
</a-checkbox-group>
<a-empty v-else />
</a-scrollbar>
</template>
</a-popover>
</a-space>
</div>
</template>
Expand All @@ -36,6 +82,7 @@
size="mini"
:total="dataTotal"
:page-size="props.component.dict.pageOption.pageSize"
:disabled="loading"
simple
@change="handlePage"
>
Expand All @@ -49,9 +96,9 @@
</template>

<script setup>
import { ref, inject, onMounted, nextTick, watch } from 'vue'
import { ref, inject, onMounted, computed, watch } from 'vue'
import { handlerCascader, loadDict } from '@cps/ma-form/js/networkRequest'
import { get, set, isUndefined, xor, isObject } from 'lodash'
import { get, set, isUndefined, xor, isObject, isBoolean } from 'lodash'
const props = defineProps({
component: Object,
})
Expand All @@ -60,6 +107,9 @@ const columns = inject('columns')
const dicts = inject('dicts')
const dataTotal = ref(0)
const dictIndex = props.component.dataIndex
const loading = ref(false)
const optionMap = ref({})
const keyword = ref('')

let defaultValue

Expand All @@ -69,6 +119,8 @@ if ( props.component.multiple === true ) {
defaultValue = props.component.searchDefaultValue ?? ''
}

if ( isUndefined(props.component.multipleTools) ) props.component.multipleTools = true

if (isObject(props.component.dict)) {
props.component.dict.pageOption = {
page: 1,
Expand All @@ -84,9 +136,10 @@ const handleSelectAll = (status) => {
value.value = []
}
if (status) {
dicts.value[dictIndex].map(item=>{
value.value.push(item.value)
})
// 使用 Set 的 difference 来找出需要添加的值
const currentSet = new Set(value.value)
const newValues = dicts.value[dictIndex].filter(item => !currentSet.has(item.value)).map(item => item.value)
value.value = [...value.value, ...newValues]
} else {
value.value = []
}
Expand All @@ -98,20 +151,68 @@ const handleInverse = () => {
}
const ids = []
dicts.value[dictIndex].map( item => ids.push(item.value) )
value.value = xor(ids, value.value)
value.value = xor(value.value, ids)
}

const handlePage = async (page) => {
loading.value = true
props.component.dict.pageOption.page = page
await loadDict(dicts.value, props.component)
loading.value = false
}

const handlerFallback = (key) => {
return optionMap.value[key] || key
}

watch( () => get(searchForm.value, props.component.dataIndex), vl => value.value = vl )
watch( () => value.value, v => set(searchForm.value, props.component.dataIndex, v) )
watch( () => value.value, v => {
if (props.component.multiple) {
v.forEach(k => {
if ( !optionMap.value[k] ) {
optionMap.value[k] = dicts.value[dictIndex].find(i => i.value === k)
}
})
for(const k in optionMap.value) {
if ( !v.includes(k) ) delete optionMap.value[k]
}
}
set(searchForm.value, props.component.dataIndex, v)
} )
watch( () => dicts.value[dictIndex] , async v => {
dataTotal.value = v?.pageInfo?.total || 0
})

const checkedAll = computed(() => {
const { multiple, multipleTools } = props.component
const currentDicts = dicts.value[dictIndex]

if (multiple && multipleTools && currentDicts) {
return currentDicts.every(item => value.value.includes(item.value))
}

return false
})

const filteredOptions = computed(() => {
const { multiple, multipleTools } = props.component
if (multiple && multipleTools && keyword.value !== '') {
const lowerCaseKeyword = keyword.value.toLowerCase()
return Object.values(optionMap.value).filter(option =>
option.label.toLowerCase().includes(lowerCaseKeyword)
)
}
return optionMap.value
})

const indeterminate = computed(() => {
if (props.component.multiple && props.component.multipleTools && checkedAll.value == false) {
const currentDicts = dicts.value[dictIndex]
return currentDicts.some(item => value.value.includes(item.value))
}
return false
})

const handlerChangeeEvent = (value) => {
handlerCascader(
value, props.component, columns.value, dicts.value, searchForm.value
Expand All @@ -120,4 +221,28 @@ const handlerChangeeEvent = (value) => {

onMounted(() => {
})
</script>
</script>
<style lang="less" scoped>
.arco-checkbox-group {
width: 100%;
.select-all-options {
width: 100%;
height: 36px;
padding: 0 15px 0 7px;
color: inherit;
background-color: transparent;
transition: all 0.1s cubic-bezier(0, 0, 1, 1);
::v-deep(.arco-checkbox .arco-checkbox-label) {
height: 36px;
line-height: 36px;
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
}
&:hover {
color: var(--color-text-1);
background-color: var(--color-fill-2);
}
}
}
</style>

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