/
FieldTreeSelectInput.vue
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/
FieldTreeSelectInput.vue
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<!-- Copyright (C) 2012-2024 Zammad Foundation, https://zammad-foundation.org/ -->
<script setup lang="ts">
import { computed, nextTick, ref, toRef, watch } from 'vue'
import { useElementBounding, useWindowSize } from '@vueuse/core'
import { escapeRegExp } from 'lodash-es'
import { i18n } from '#shared/i18n.ts'
import CommonInputSearch from '#desktop/components/CommonInputSearch/CommonInputSearch.vue'
import { useTrapTab } from '#shared/composables/useTrapTab.ts'
import { useFormBlock } from '#shared/form/useFormBlock.ts'
import useSelectOptions from '#shared/composables/useSelectOptions.ts'
import useSelectPreselect from '#shared/composables/useSelectPreselect.ts'
import useValue from '#shared/components/Form/composables/useValue.ts'
import type { CommonSelectInstance } from '#desktop/components/CommonSelect/types.ts'
import type {
FlatSelectOption,
TreeSelectContext,
} from '#shared/components/Form/fields/FieldTreeSelect/types.ts'
import FieldTreeSelectInputDropdown from './FieldTreeSelectInputDropdown.vue'
import useFlatSelectOptions from './useFlatSelectOptions.ts'
interface Props {
context: TreeSelectContext & {
alternativeBackground?: boolean
}
}
const props = defineProps<Props>()
const contextReactive = toRef(props, 'context')
const {
hasValue,
valueContainer,
currentValue,
clearValue: clearInternalValue,
} = useValue(contextReactive)
const { flatOptions } = useFlatSelectOptions(toRef(props.context, 'options'))
const {
sortedOptions,
optionValueLookup,
selectOption,
getSelectedOption,
getSelectedOptionIcon,
getSelectedOptionLabel,
getSelectedOptionFullPath,
setupMissingOrDisabledOptionHandling,
} = useSelectOptions<FlatSelectOption[]>(flatOptions, toRef(props, 'context'))
const currentPath = ref<FlatSelectOption[]>([])
const clearPath = () => {
currentPath.value = []
}
const currentParent = computed<FlatSelectOption>(
() => currentPath.value[currentPath.value.length - 1] ?? null,
)
const input = ref<HTMLDivElement>()
const outputElement = ref<HTMLOutputElement>()
const filter = ref('')
const filterInput = ref<HTMLInputElement>()
const select = ref<CommonSelectInstance>()
const { activateTabTrap, deactivateTabTrap } = useTrapTab(input, true)
const clearFilter = () => {
filter.value = ''
}
watch(() => contextReactive.value.noFiltering, clearFilter)
const deaccent = (s: string) =>
s.normalize('NFD').replace(/[\u0300-\u036f]/g, '')
const filteredOptions = computed(() => {
// In case we are not currently filtering for a parent, search across all options.
let options = sortedOptions.value
// Otherwise, search across options which are children of the current parent.
if (currentParent.value)
options = sortedOptions.value.filter((option) =>
option.parents.includes(currentParent.value?.value),
)
// Trim and de-accent search keywords and compile them as a case-insensitive regex.
// Make sure to escape special regex characters!
const filterRegex = new RegExp(
escapeRegExp(deaccent(filter.value.trim())),
'i',
)
return options
.map(
(option) =>
({
...option,
// Match options via their de-accented labels.
match: filterRegex.exec(
deaccent(option.label || String(option.value)),
),
}) as FlatSelectOption,
)
.filter((option) => option.match)
})
const suggestedOptionLabel = computed(() => {
if (!filter.value || !filteredOptions.value.length) return undefined
const exactMatches = filteredOptions.value.filter(
(option) =>
(getSelectedOptionLabel(option.value) || option.value.toString())
.toLowerCase()
.indexOf(filter.value.toLowerCase()) === 0 &&
(getSelectedOptionLabel(option.value) || option.value.toString()).length >
filter.value.length,
)
if (!exactMatches.length) return undefined
return getSelectedOptionLabel(exactMatches[0].value)
})
const currentOptions = computed(() => {
// In case we are not currently filtering for a parent, return only top-level options.
if (!currentParent.value)
return sortedOptions.value.filter((option) => !option.parents?.length)
// Otherwise, return all options which are children of the current parent.
return sortedOptions.value.filter(
(option) =>
option.parents.length &&
option.parents[option.parents.length - 1] === currentParent.value?.value,
)
})
const focusOutputElement = () => {
if (!props.context.disabled) {
outputElement.value?.focus()
}
}
const clearValue = () => {
if (props.context.disabled) return
clearInternalValue()
focusOutputElement()
}
const inputElementBounds = useElementBounding(input)
const windowSize = useWindowSize()
const isBelowHalfScreen = computed(() => {
return inputElementBounds.y.value > windowSize.height.value / 2
})
const openSelectDropdown = () => {
if (select.value?.isOpen || props.context.disabled) return
select.value?.openDropdown(inputElementBounds, windowSize.height)
requestAnimationFrame(() => {
activateTabTrap()
if (props.context.noFiltering) outputElement.value?.focus()
else filterInput.value?.focus()
})
}
const openOrMoveFocusToDropdown = (lastOption = false) => {
if (!select.value?.isOpen) {
openSelectDropdown()
return
}
deactivateTabTrap()
nextTick(() => {
requestAnimationFrame(() => {
select.value?.moveFocusToDropdown(lastOption)
})
})
}
const onCloseDropdown = () => {
clearFilter()
clearPath()
deactivateTabTrap()
}
const onPathPush = (option: FlatSelectOption) => {
currentPath.value.push(option)
}
const onPathPop = () => {
currentPath.value.pop()
}
useFormBlock(contextReactive, openSelectDropdown)
useSelectPreselect(flatOptions, contextReactive)
setupMissingOrDisabledOptionHandling()
</script>
<template>
<div
ref="input"
class="flex h-auto min-h-10 hover:outline hover:outline-1 hover:outline-offset-1 hover:outline-blue-600 has-[output:focus,input:focus]:outline has-[output:focus,input:focus]:outline-1 has-[output:focus,input:focus]:outline-offset-1 has-[output:focus,input:focus]:outline-blue-800 dark:hover:outline-blue-900 dark:has-[output:focus,input:focus]:outline-blue-800"
:class="[
context.classes.input,
{
'rounded-lg': !select?.isOpen,
'rounded-t-lg': select?.isOpen && !isBelowHalfScreen,
'rounded-b-lg': select?.isOpen && isBelowHalfScreen,
'bg-blue-200 dark:bg-gray-700': !context.alternativeBackground,
'bg-white dark:bg-gray-500': context.alternativeBackground,
},
]"
data-test-id="field-treeselect"
>
<FieldTreeSelectInputDropdown
ref="select"
#default="{ state: expanded, close: closeDropdown }"
:model-value="currentValue"
:options="filteredOptions"
:multiple="context.multiple"
:owner="context.id"
:current-path="currentPath"
:filter="filter"
:flat-options="flatOptions"
:current-options="currentOptions"
:option-value-lookup="optionValueLookup"
no-options-label-translation
no-close
passive
@clear-filter="clearFilter"
@close="onCloseDropdown"
@push="onPathPush"
@pop="onPathPop"
@select="selectOption"
>
<!-- https://www.w3.org/WAI/ARIA/apg/patterns/combobox/ -->
<output
:id="context.id"
ref="outputElement"
role="combobox"
:name="context.node.name"
class="flex grow items-center gap-2.5 px-2.5 py-2 text-black focus:outline-none dark:text-white"
tabindex="0"
:aria-labelledby="`label-${context.id}`"
:aria-disabled="context.disabled ? 'true' : undefined"
v-bind="context.attrs"
:data-multiple="context.multiple"
aria-autocomplete="none"
aria-controls="field-tree-select-input-dropdown"
aria-owns="field-tree-select-input-dropdown"
aria-haspopup="menu"
:aria-expanded="expanded"
:aria-describedby="context.describedBy"
@keydown.escape.prevent="closeDropdown()"
@keypress.enter.prevent="openSelectDropdown()"
@keydown.down.prevent="openOrMoveFocusToDropdown()"
@keydown.up.prevent="openOrMoveFocusToDropdown(true)"
@keypress.space.prevent="openSelectDropdown()"
@blur="context.handlers.blur"
>
<div
v-if="hasValue && context.multiple"
class="flex flex-wrap gap-1.5"
role="list"
>
<div
v-for="selectedValue in valueContainer"
:key="selectedValue"
class="flex items-center gap-1.5"
role="listitem"
>
<div
class="inline-flex cursor-default items-center gap-1 rounded px-1.5 py-0.5 text-xs text-black dark:text-white"
:class="{
'bg-white dark:bg-gray-200': !context.alternativeBackground,
'bg-neutral-100 dark:bg-gray-200':
context.alternativeBackground,
}"
>
<CommonIcon
v-if="getSelectedOptionIcon(selectedValue)"
:name="getSelectedOptionIcon(selectedValue)"
class="shrink-0 fill-gray-100 dark:fill-neutral-400"
size="xs"
decorative
/>
<span
class="line-clamp-3 whitespace-pre-wrap break-words"
:title="getSelectedOptionFullPath(selectedValue)"
>
{{ getSelectedOptionFullPath(selectedValue) }}
</span>
<CommonIcon
:aria-label="i18n.t('Unselect Option')"
class="shrink-0 fill-stone-200 hover:fill-black focus-visible:rounded-sm focus-visible:outline focus-visible:outline-1 focus-visible:outline-offset-1 focus-visible:outline-blue-800 dark:fill-neutral-500 dark:hover:fill-white"
name="x-lg"
size="xs"
role="button"
tabindex="0"
@click.stop="selectOption(getSelectedOption(selectedValue))"
@keypress.enter.prevent.stop="
selectOption(getSelectedOption(selectedValue))
"
@keypress.space.prevent.stop="
selectOption(getSelectedOption(selectedValue))
"
/>
</div>
</div>
</div>
<CommonInputSearch
v-if="expanded && !context.noFiltering"
ref="filterInput"
v-model="filter"
:suggestion="suggestedOptionLabel"
:alternative-background="context.alternativeBackground"
@keypress.space.stop
/>
<div v-else class="flex grow flex-wrap gap-1" role="list">
<div
v-if="hasValue && !context.multiple"
class="flex items-center gap-1.5 text-sm"
role="listitem"
>
<CommonIcon
v-if="getSelectedOptionIcon(currentValue)"
:name="getSelectedOptionIcon(currentValue)"
class="shrink-0 fill-gray-100 dark:fill-neutral-400"
size="tiny"
decorative
/>
<span
class="line-clamp-3 whitespace-pre-wrap break-words"
:title="getSelectedOptionFullPath(currentValue)"
>
{{ getSelectedOptionFullPath(currentValue) }}
</span>
</div>
</div>
<CommonIcon
v-if="context.clearable && hasValue && !context.disabled"
:aria-label="i18n.t('Clear Selection')"
class="shrink-0 fill-stone-200 hover:fill-black focus-visible:rounded-sm focus-visible:outline focus-visible:outline-1 focus-visible:outline-offset-1 focus-visible:outline-blue-800 dark:fill-neutral-500 dark:hover:fill-white"
name="x-lg"
size="xs"
role="button"
tabindex="0"
@click.stop="clearValue()"
@keypress.enter.prevent.stop="clearValue()"
@keypress.space.prevent.stop="clearValue()"
/>
<CommonIcon
class="shrink-0 fill-stone-200 dark:fill-neutral-500"
name="chevron-down"
size="xs"
decorative
/>
</output>
</FieldTreeSelectInputDropdown>
</div>
</template>