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<template>
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<Teleport to="body">
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<Transition name="dropdown">
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<div v-if="modelValue" ref="floatingEl" class="dropdown-menu" :style="floatingStyle">
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<ul class="dropdown-menu__list">
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<li
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v-for="(item, i) in items"
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:key="item.key ?? item.label ?? i"
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class="dropdown-menu__item-wrap"
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>
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<button
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type="button"
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class="dropdown-menu__item"
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:class="{ 'dropdown-menu__item--danger': item.danger }"
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:disabled="item.disabled"
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@click="handleClick(item)"
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>
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<SvgIcon v-if="item.icon" :name="item.icon" :size="16" class="dropdown-menu__icon" />
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<span class="dropdown-menu__label">{{ item.label }}</span>
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</button>
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</li>
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</ul>
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</div>
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</Transition>
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</Teleport>
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</template>
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<script setup>
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import { onBeforeUnmount, ref, watch } from 'vue'
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import {
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autoUpdate,
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computePosition,
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flip,
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offset as offsetMiddleware,
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shift,
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} from '@floating-ui/dom'
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import SvgIcon from '@/components/icons/SvgIcon.vue'
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const props = defineProps({
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modelValue: { type: Boolean, default: false },
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reference: { type: [Object, null], default: null },
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items: { type: Array, default: () => [] },
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placement: { type: String, default: 'bottom-end' },
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offset: { type: Number, default: 8 },
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minWidth: { type: String, default: '12rem' },
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})
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const emit = defineEmits(['update:modelValue', 'select'])
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const floatingEl = ref(null)
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const floatingStyle = ref({ position: 'fixed', top: '0', left: '0', minWidth: props.minWidth })
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let cleanup = null
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const close = () => emit('update:modelValue', false)
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const mountFloating = async () => {
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await Promise.resolve()
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const referenceEl = props.reference
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const floating = floatingEl.value
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if (!referenceEl || !floating) return
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cleanup = autoUpdate(referenceEl, floating, () => {
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computePosition(referenceEl, floating, {
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placement: props.placement,
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strategy: 'fixed',
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middleware: [offsetMiddleware(props.offset), flip(), shift({ padding: 8 })],
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}).then(({ x, y }) => {
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floatingStyle.value = {
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position: 'fixed',
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top: `${y}px`,
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left: `${x}px`,
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minWidth: props.minWidth,
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}
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})
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})
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document.addEventListener('mousedown', handleOutsideClick)
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document.addEventListener('keydown', handleEsc)
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}
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const unmountFloating = () => {
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cleanup?.()
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cleanup = null
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document.removeEventListener('mousedown', handleOutsideClick)
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document.removeEventListener('keydown', handleEsc)
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}
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const handleOutsideClick = (event) => {
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const referenceEl = props.reference
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const floating = floatingEl.value
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if (referenceEl?.contains(event.target)) return
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if (floating?.contains(event.target)) return
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close()
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}
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const handleEsc = (event) => {
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if (event.key === 'Escape') close()
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}
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const handleClick = (item) => {
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if (item.disabled) return
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emit('select', item)
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item.onClick?.(item)
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close()
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}
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watch(
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() => props.modelValue,
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(open) => {
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if (open) {
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setTimeout(mountFloating, 0)
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} else {
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unmountFloating()
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}
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}
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)
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onBeforeUnmount(unmountFloating)
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</script>
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<style lang="scss" scoped>
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.dropdown-menu {
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z-index: 9999;
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background: #fff;
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border-radius: 0.875rem;
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box-shadow: 0 10px 25px -8px rgba(0, 0, 0, 12%), 0 4px 10px -4px rgba(0, 0, 0, 8%);
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padding: 0.25rem;
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max-height: 70vh;
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overflow-y: auto;
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overscroll-behavior: contain;
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&__list {
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list-style: none;
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margin: 0;
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padding: 0;
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}
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&__item-wrap {
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& + & {
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border-top: 1px solid #ececec;
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}
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}
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&__item {
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display: flex;
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align-items: center;
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justify-content: flex-start;
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gap: 0.75rem;
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width: 100%;
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padding: 0.5rem 0.75rem;
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border: none;
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border-radius: 0.625rem;
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background: transparent;
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cursor: pointer;
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font-family: var(--font-family-fa);
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font-size: 0.85rem;
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color: var(--color-sec-gray, #363636);
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transition: background-color 0.15s ease;
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&:hover {
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background-color: #f7f7f7;
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}
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&:disabled {
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opacity: 0.5;
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cursor: not-allowed;
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}
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&--danger {
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color: var(--color-error);
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}
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}
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&__label {
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flex: 1;
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text-align: right;
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white-space: nowrap;
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}
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&__icon {
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flex-shrink: 0;
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}
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}
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.dropdown-enter-active,
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.dropdown-leave-active {
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transition: opacity 0.15s ease, transform 0.15s ease;
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}
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.dropdown-enter-from,
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.dropdown-leave-to {
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opacity: 0;
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transform: translateY(-6px);
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}
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</style>
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