element-plus/docs/examples/select-v2/custom-footer.vue
sea ade87f6729
docs(examples): standardize unified code format and fix some type (#16370)
* docs: standardize unified example code format and fix some example type

* docs:  update some example type

* Update docs/examples/descriptions/sizes.vue

Co-authored-by: kooriookami <38392315+kooriookami@users.noreply.github.com>

* docs: update example-page-header

* docs: update example-page-header

---------

Co-authored-by: kooriookami <38392315+kooriookami@users.noreply.github.com>
2024-04-15 16:29:21 +08:00

82 lines
1.8 KiB
Vue

<template>
<el-select-v2
ref="select"
v-model="value"
:options="options"
placeholder="Select"
style="width: 240px"
>
<template #footer>
<el-button v-if="!isAdding" text bg size="small" @click="onAddOption">
Add an option
</el-button>
<div v-else class="select-footer">
<el-input
v-model="optionName"
class="option-input"
placeholder="input option name"
size="small"
/>
<div>
<el-button type="primary" size="small" @click="onConfirm">
confirm
</el-button>
<el-button size="small" @click="clear">cancel</el-button>
</div>
</div>
</template>
</el-select-v2>
</template>
<script lang="ts" setup>
import { nextTick, ref } from 'vue'
import { ElSelectV2 } from 'element-plus'
import type { CheckboxValueType } from 'element-plus'
const initials = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j']
const select = ref<InstanceType<typeof ElSelectV2>>()
const isAdding = ref(false)
const value = ref<CheckboxValueType[]>([])
const optionName = ref('')
const options = ref(
Array.from({ length: 1000 }).map((_, idx) => ({
value: `Option ${idx + 1}`,
label: `${initials[idx % 10]}${idx}`,
}))
)
const onAddOption = () => {
isAdding.value = true
}
const onConfirm = () => {
if (optionName.value) {
options.value.push({
label: optionName.value,
value: optionName.value,
})
clear()
nextTick(() => {
select.value?.scrollTo(options.value.length - 1)
})
}
}
const clear = () => {
optionName.value = ''
isAdding.value = false
}
</script>
<style lang="scss" scoped>
.select-footer {
display: flex;
flex-direction: column;
.option-input {
width: 100%;
margin-bottom: 8px;
}
}
</style>