forked from mirror/misskey
145 lines
3.4 KiB
Vue
145 lines
3.4 KiB
Vue
<!--
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SPDX-FileCopyrightText: syuilo and other misskey contributors
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SPDX-License-Identifier: AGPL-3.0-only
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-->
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<template>
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<div ref="el" :class="$style.root">
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<header :class="$style.header" class="_button" :style="{ background: bg }" @click="showBody = !showBody">
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<div :class="$style.title"><div><slot name="header"></slot></div></div>
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<div :class="$style.divider"></div>
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<button class="_button" :class="$style.button">
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<template v-if="showBody"><i class="ti ti-chevron-up"></i></template>
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<template v-else><i class="ti ti-chevron-down"></i></template>
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</button>
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</header>
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<Transition
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:name="defaultStore.state.animation ? 'folder-toggle' : ''"
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@enter="enter"
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@afterEnter="afterEnter"
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@leave="leave"
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@afterLeave="afterLeave"
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>
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<div v-show="showBody">
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<slot></slot>
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</div>
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</Transition>
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</div>
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</template>
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<script lang="ts" setup>
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import { onMounted, ref, shallowRef, watch } from 'vue';
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import tinycolor from 'tinycolor2';
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import { miLocalStorage } from '@/local-storage.js';
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import { defaultStore } from '@/store.js';
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const miLocalStoragePrefix = 'ui:folder:' as const;
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const props = withDefaults(defineProps<{
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expanded?: boolean;
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persistKey?: string;
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}>(), {
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expanded: true,
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});
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const el = shallowRef<HTMLDivElement>();
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const bg = ref<string | null>(null);
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const showBody = ref((props.persistKey && miLocalStorage.getItem(`${miLocalStoragePrefix}${props.persistKey}`)) ? (miLocalStorage.getItem(`${miLocalStoragePrefix}${props.persistKey}`) === 't') : props.expanded);
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watch(showBody, () => {
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if (props.persistKey) {
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miLocalStorage.setItem(`${miLocalStoragePrefix}${props.persistKey}`, showBody.value ? 't' : 'f');
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}
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});
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function enter(el: Element) {
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const elementHeight = el.getBoundingClientRect().height;
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el.style.height = 0;
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el.offsetHeight; // reflow
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el.style.height = elementHeight + 'px';
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}
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function afterEnter(el: Element) {
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el.style.height = null;
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}
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function leave(el: Element) {
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const elementHeight = el.getBoundingClientRect().height;
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el.style.height = elementHeight + 'px';
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el.offsetHeight; // reflow
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el.style.height = 0;
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}
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function afterLeave(el: Element) {
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el.style.height = null;
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}
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onMounted(() => {
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function getParentBg(el: HTMLElement | null): string {
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if (el == null || el.tagName === 'BODY') return 'var(--bg)';
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const bg = el.style.background || el.style.backgroundColor;
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if (bg) {
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return bg;
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} else {
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return getParentBg(el.parentElement);
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}
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}
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const rawBg = getParentBg(el.value);
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const _bg = tinycolor(rawBg.startsWith('var(') ? getComputedStyle(document.documentElement).getPropertyValue(rawBg.slice(4, -1)) : rawBg);
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_bg.setAlpha(0.85);
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bg.value = _bg.toRgbString();
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});
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</script>
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<style lang="scss" module>
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.folder-toggle-enter-active, .folder-toggle-leave-active {
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overflow-y: clip;
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transition: opacity 0.5s, height 0.5s !important;
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}
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.folder-toggle-enter-from {
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opacity: 0;
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}
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.folder-toggle-leave-to {
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opacity: 0;
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}
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.root {
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position: relative;
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}
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.header {
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display: flex;
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position: relative;
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z-index: 10;
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position: sticky;
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top: var(--stickyTop, 0px);
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-webkit-backdrop-filter: var(--blur, blur(8px));
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backdrop-filter: var(--blur, blur(20px));
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}
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.title {
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display: grid;
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place-content: center;
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margin: 0;
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padding: 12px 16px 12px 0;
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}
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.divider {
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flex: 1;
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margin: auto;
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height: 1px;
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background: var(--divider);
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}
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.button {
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padding: 12px 0 12px 16px;
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}
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@container (max-width: 500px) {
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.title {
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padding: 8px 10px 8px 0;
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}
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}
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</style>
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