|
| 1 | +<script setup lang="ts"> |
| 2 | +const props = defineProps<{ |
| 3 | + /** List of suggested usernames (e.g., org members) */ |
| 4 | + suggestions: string[] |
| 5 | + /** Placeholder text */ |
| 6 | + placeholder?: string |
| 7 | + /** Whether the input is disabled */ |
| 8 | + disabled?: boolean |
| 9 | + /** Accessible label for the input */ |
| 10 | + label?: string |
| 11 | +}>() |
| 12 | +
|
| 13 | +const emit = defineEmits<{ |
| 14 | + /** Emitted when a user is selected/submitted */ |
| 15 | + select: [username: string, isInSuggestions: boolean] |
| 16 | +}>() |
| 17 | +
|
| 18 | +const inputValue = shallowRef('') |
| 19 | +const isOpen = shallowRef(false) |
| 20 | +const highlightedIndex = shallowRef(-1) |
| 21 | +const listRef = useTemplateRef('listRef') |
| 22 | +
|
| 23 | +// Generate unique ID for accessibility |
| 24 | +const inputId = useId() |
| 25 | +const listboxId = `${inputId}-listbox` |
| 26 | +
|
| 27 | +// Filter suggestions based on input |
| 28 | +const filteredSuggestions = computed(() => { |
| 29 | + if (!inputValue.value.trim()) { |
| 30 | + return props.suggestions.slice(0, 10) // Show first 10 when empty |
| 31 | + } |
| 32 | + const query = inputValue.value.toLowerCase().replace(/^@/, '') |
| 33 | + return props.suggestions.filter(s => s.toLowerCase().includes(query)).slice(0, 10) |
| 34 | +}) |
| 35 | +
|
| 36 | +// Check if current input matches a suggestion exactly |
| 37 | +const isExactMatch = computed(() => { |
| 38 | + const normalized = inputValue.value.trim().replace(/^@/, '').toLowerCase() |
| 39 | + return props.suggestions.some(s => s.toLowerCase() === normalized) |
| 40 | +}) |
| 41 | +
|
| 42 | +// Show hint when typing a non-member username |
| 43 | +const showNewUserHint = computed(() => { |
| 44 | + const value = inputValue.value.trim().replace(/^@/, '') |
| 45 | + return value.length > 0 && !isExactMatch.value && filteredSuggestions.value.length === 0 |
| 46 | +}) |
| 47 | +
|
| 48 | +function handleInput() { |
| 49 | + isOpen.value = true |
| 50 | + highlightedIndex.value = -1 |
| 51 | +} |
| 52 | +
|
| 53 | +function handleFocus() { |
| 54 | + isOpen.value = true |
| 55 | +} |
| 56 | +
|
| 57 | +function handleBlur(event: FocusEvent) { |
| 58 | + // Don't close if clicking within the dropdown |
| 59 | + const relatedTarget = event.relatedTarget as HTMLElement | null |
| 60 | + if (relatedTarget && listRef.value?.contains(relatedTarget)) { |
| 61 | + return |
| 62 | + } |
| 63 | + // Delay to allow click to register |
| 64 | + setTimeout(() => { |
| 65 | + isOpen.value = false |
| 66 | + highlightedIndex.value = -1 |
| 67 | + }, 150) |
| 68 | +} |
| 69 | +
|
| 70 | +function selectSuggestion(username: string) { |
| 71 | + inputValue.value = username |
| 72 | + isOpen.value = false |
| 73 | + highlightedIndex.value = -1 |
| 74 | + emit('select', username, true) |
| 75 | + inputValue.value = '' |
| 76 | +} |
| 77 | +
|
| 78 | +function handleSubmit() { |
| 79 | + const username = inputValue.value.trim().replace(/^@/, '') |
| 80 | + if (!username) return |
| 81 | +
|
| 82 | + const inSuggestions = props.suggestions.some(s => s.toLowerCase() === username.toLowerCase()) |
| 83 | + emit('select', username, inSuggestions) |
| 84 | + inputValue.value = '' |
| 85 | + isOpen.value = false |
| 86 | +} |
| 87 | +
|
| 88 | +function handleKeydown(event: KeyboardEvent) { |
| 89 | + if (!isOpen.value) { |
| 90 | + if (event.key === 'ArrowDown' || event.key === 'ArrowUp') { |
| 91 | + isOpen.value = true |
| 92 | + event.preventDefault() |
| 93 | + } |
| 94 | + return |
| 95 | + } |
| 96 | +
|
| 97 | + switch (event.key) { |
| 98 | + case 'ArrowDown': |
| 99 | + event.preventDefault() |
| 100 | + if (highlightedIndex.value < filteredSuggestions.value.length - 1) { |
| 101 | + highlightedIndex.value++ |
| 102 | + } |
| 103 | + break |
| 104 | + case 'ArrowUp': |
| 105 | + event.preventDefault() |
| 106 | + if (highlightedIndex.value > 0) { |
| 107 | + highlightedIndex.value-- |
| 108 | + } |
| 109 | + break |
| 110 | + case 'Enter': { |
| 111 | + event.preventDefault() |
| 112 | + const selectedSuggestion = filteredSuggestions.value[highlightedIndex.value] |
| 113 | + if (highlightedIndex.value >= 0 && selectedSuggestion) { |
| 114 | + selectSuggestion(selectedSuggestion) |
| 115 | + } else { |
| 116 | + handleSubmit() |
| 117 | + } |
| 118 | + break |
| 119 | + } |
| 120 | + case 'Escape': |
| 121 | + isOpen.value = false |
| 122 | + highlightedIndex.value = -1 |
| 123 | + break |
| 124 | + } |
| 125 | +} |
| 126 | +
|
| 127 | +// Scroll highlighted item into view |
| 128 | +watch(highlightedIndex, index => { |
| 129 | + if (index >= 0 && listRef.value) { |
| 130 | + const item = listRef.value.children[index] as HTMLElement |
| 131 | + item?.scrollIntoView({ block: 'nearest' }) |
| 132 | + } |
| 133 | +}) |
| 134 | +
|
| 135 | +// Check for reduced motion preference |
| 136 | +const prefersReducedMotion = useMediaQuery('(prefers-reduced-motion: reduce)') |
| 137 | +</script> |
| 138 | + |
| 139 | +<template> |
| 140 | + <div class="relative"> |
| 141 | + <label v-if="label" :for="inputId" class="sr-only">{{ label }}</label> |
| 142 | + <input |
| 143 | + :id="inputId" |
| 144 | + v-model="inputValue" |
| 145 | + type="text" |
| 146 | + :placeholder="placeholder ?? $t('user.combobox.default_placeholder')" |
| 147 | + :disabled="disabled" |
| 148 | + v-bind="noCorrect" |
| 149 | + role="combobox" |
| 150 | + aria-autocomplete="list" |
| 151 | + :aria-expanded="isOpen && (filteredSuggestions.length > 0 || showNewUserHint)" |
| 152 | + aria-haspopup="listbox" |
| 153 | + :aria-controls="listboxId" |
| 154 | + :aria-activedescendant=" |
| 155 | + highlightedIndex >= 0 ? `${listboxId}-option-${highlightedIndex}` : undefined |
| 156 | + " |
| 157 | + class="w-full px-2 py-1 font-mono text-sm bg-bg-subtle border border-border rounded text-fg placeholder:text-fg-subtle transition-colors duration-200 focus:border-border-hover focus-visible:outline-accent/70 disabled:opacity-50 disabled:cursor-not-allowed" |
| 158 | + @input="handleInput" |
| 159 | + @focus="handleFocus" |
| 160 | + @blur="handleBlur" |
| 161 | + @keydown="handleKeydown" |
| 162 | + /> |
| 163 | + |
| 164 | + <!-- Dropdown --> |
| 165 | + <Transition |
| 166 | + :enter-active-class="prefersReducedMotion ? '' : 'transition-opacity duration-150'" |
| 167 | + :enter-from-class="prefersReducedMotion ? '' : 'opacity-0'" |
| 168 | + enter-to-class="opacity-100" |
| 169 | + :leave-active-class="prefersReducedMotion ? '' : 'transition-opacity duration-100'" |
| 170 | + leave-from-class="opacity-100" |
| 171 | + :leave-to-class="prefersReducedMotion ? '' : 'opacity-0'" |
| 172 | + > |
| 173 | + <ul |
| 174 | + v-if="isOpen && (filteredSuggestions.length > 0 || showNewUserHint)" |
| 175 | + :id="listboxId" |
| 176 | + ref="listRef" |
| 177 | + role="listbox" |
| 178 | + :aria-label="label ?? $t('user.combobox.suggestions_label')" |
| 179 | + class="absolute z-50 w-full mt-1 py-1 bg-bg-elevated border border-border rounded shadow-lg max-h-48 overflow-y-auto" |
| 180 | + > |
| 181 | + <!-- Suggestions from org --> |
| 182 | + <li |
| 183 | + v-for="(username, index) in filteredSuggestions" |
| 184 | + :id="`${listboxId}-option-${index}`" |
| 185 | + :key="username" |
| 186 | + role="option" |
| 187 | + :aria-selected="highlightedIndex === index" |
| 188 | + class="px-2 py-1 font-mono text-sm transition-colors duration-100" |
| 189 | + :class=" |
| 190 | + highlightedIndex === index |
| 191 | + ? 'bg-bg-muted text-fg' |
| 192 | + : 'text-fg-muted hover:bg-bg-subtle hover:text-fg' |
| 193 | + " |
| 194 | + @mouseenter="highlightedIndex = index" |
| 195 | + @click="selectSuggestion(username)" |
| 196 | + > |
| 197 | + @{{ username }} |
| 198 | + </li> |
| 199 | + |
| 200 | + <!-- Hint for new user --> |
| 201 | + <li |
| 202 | + v-if="showNewUserHint" |
| 203 | + class="px-2 py-1 font-mono text-xs text-fg-subtle border-t border-border mt-1 pt-2" |
| 204 | + role="status" |
| 205 | + aria-live="polite" |
| 206 | + > |
| 207 | + <span class="i-lucide:info w-3 h-3 me-1 align-middle" aria-hidden="true" /> |
| 208 | + {{ |
| 209 | + $t('user.combobox.press_enter_to_add', { |
| 210 | + username: inputValue.trim().replace(/^@/, ''), |
| 211 | + }) |
| 212 | + }} |
| 213 | + <span class="text-amber-400">{{ $t('user.combobox.add_to_org_hint') }}</span> |
| 214 | + </li> |
| 215 | + </ul> |
| 216 | + </Transition> |
| 217 | + </div> |
| 218 | +</template> |
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