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<div class="multi-reference-select">
<!-- Selected chips -->
<div v-if="selectedOptions.length > 0" class="selected-chips mb-2">
<span
v-for="option in selectedOptions"
:key="option.value"
class="badge bg-secondary me-1 mb-1 d-inline-flex align-items-center gap-1"
>
{{ option.label }}
<button
v-if="!disabled"
type="button"
class="btn-close btn-close-white"
style="font-size: 0.6rem"
:aria-label="t('common.remove')"
@click="removeValue(option.value)"
/>
</span>
</div>
<!-- Add picker (hidden when max reached) -->
<template v-if="canAddMore">
<input
v-if="showSearch"
v-model="query"
type="search"
class="form-control form-control-sm mb-2"
:placeholder="resolvedSearchPlaceholder"
:disabled="disabled || loading"
/>
<select
class="form-select form-select-sm"
:value="''"
:disabled="disabled || loading || availableOptions.length === 0"
@change="handleChange"
@blur="$emit('blur')"
>
<option value="" disabled>{{ resolvedAddLabel }}</option>
<option v-if="loading && availableOptions.length === 0" value="" disabled>
{{ resolvedLoadingLabel }}
</option>
<option
v-for="option in availableOptions"
:key="option.value"
:value="option.value"
:disabled="option.disabled"
>
{{ option.label }}
<template v-if="option.description"> - {{ option.description }}</template>
</option>
<option v-if="!loading && availableOptions.length === 0" value="" disabled>
{{ resolvedNoResultsLabel }}
</option>
</select>
</template>
<!-- Validation hints -->
<div v-if="minValues && modelValue.length < minValues" class="text-warning small mt-1">
{{ t('field.referenceMinValuesHint').replace('{min}', String(minValues)) }}
</div>
</div>
</template>
<script setup lang="ts">
import { computed, ref } from 'vue'
import { useUILanguage } from '@/composables/useUILanguage'
import type { ReferenceOption } from '@/composables/useFlowMemberReference'
const { t } = useUILanguage()
const props = withDefaults(
defineProps<{
modelValue: string[]
options: ReferenceOption[]
inputId?: string
required?: boolean
disabled?: boolean
loading?: boolean
showSearch?: boolean
searchPlaceholder?: string
addLabel?: string
loadingLabel?: string
noResultsLabel?: string
minValues?: number
maxValues?: number
}>(),
{
inputId: '',
required: false,
disabled: false,
loading: false,
showSearch: true,
searchPlaceholder: '',
addLabel: '',
loadingLabel: '',
noResultsLabel: '',
minValues: undefined,
maxValues: undefined
}
)
const emit = defineEmits<{
'update:modelValue': [value: string[]]
blur: []
}>()
const query = ref('')
const resolvedSearchPlaceholder = computed(() => props.searchPlaceholder || t('common.search'))
const resolvedAddLabel = computed(() => props.addLabel || t('field.referenceAddValue'))
const resolvedLoadingLabel = computed(() => props.loadingLabel || t('common.loading'))
const resolvedNoResultsLabel = computed(() => props.noResultsLabel || t('common.noResults'))
const selectedOptions = computed(() =>
props.modelValue
.map((v) => props.options.find((o) => o.value === v))
.filter((o): o is ReferenceOption => !!o)
)
// Options not yet selected, filtered by search query
const availableOptions = computed(() => {
const selectedSet = new Set(props.modelValue)
const search = query.value.trim().toLowerCase()
return props.options.filter((option) => {
if (selectedSet.has(option.value)) return false
if (!search) return true
const haystack = `${option.label} ${option.description || ''}`.toLowerCase()
return haystack.includes(search)
})
})
const canAddMore = computed(() => {
Iif (props.disabled) return false
if (props.maxValues !== undefined && props.modelValue.length >= props.maxValues) return false
return true
})
function handleChange(event: Event) {
const value = (event.target as HTMLSelectElement).value
Iif (!value) return
Eif (!props.modelValue.includes(value)) {
emit('update:modelValue', [...props.modelValue, value])
}
// Reset picker
;(event.target as HTMLSelectElement).value = ''
query.value = ''
}
function removeValue(value: string) {
emit(
'update:modelValue',
props.modelValue.filter((v) => v !== value)
)
}
</script>
<style scoped>
.selected-chips {
display: flex;
flex-wrap: wrap;
}
</style>
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