157 lines
3.3 KiB
Vue
157 lines
3.3 KiB
Vue
<template>
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<div v-size="{ max: [500] }" class="ssazuxis">
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<header class="_button" :style="{ background: bg }" @click="showBody = !showBody">
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<div class="title"><slot name="header"></slot></div>
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<div class="divider"></div>
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<button class="_button">
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<template v-if="showBody"><i class="fas fa-angle-up"></i></template>
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<template v-else><i class="fas fa-angle-down"></i></template>
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</button>
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</header>
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<transition :name="$store.state.animation ? 'folder-toggle' : ''"
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@enter="enter"
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@after-enter="afterEnter"
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@leave="leave"
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@after-leave="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">
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import { defineComponent } from 'vue';
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import tinycolor from 'tinycolor2';
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const localStoragePrefix = 'ui:folder:';
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export default defineComponent({
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props: {
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expanded: {
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type: Boolean,
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required: false,
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default: true
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},
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persistKey: {
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type: String,
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required: false,
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default: null
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},
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},
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data() {
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return {
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bg: null,
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showBody: (this.persistKey && localStorage.getItem(localStoragePrefix + this.persistKey)) ? localStorage.getItem(localStoragePrefix + this.persistKey) === 't' : this.expanded,
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};
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},
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watch: {
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showBody() {
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if (this.persistKey) {
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localStorage.setItem(localStoragePrefix + this.persistKey, this.showBody ? 't' : 'f');
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}
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}
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},
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mounted() {
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function getParentBg(el: Element | 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(this.$el);
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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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this.bg = bg.toRgbString();
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},
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methods: {
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toggleContent(show: boolean) {
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this.showBody = show;
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},
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enter(el) {
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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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afterEnter(el) {
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el.style.height = null;
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},
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leave(el) {
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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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afterLeave(el) {
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el.style.height = null;
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},
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}
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});
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</script>
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<style lang="scss" scoped>
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.folder-toggle-enter-active, .folder-toggle-leave-active {
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overflow-y: hidden;
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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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.ssazuxis {
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position: relative;
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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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padding: var(--x-padding);
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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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> .title {
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margin: 0;
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padding: 12px 16px 12px 0;
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> i {
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margin-right: 6px;
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}
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&:empty {
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display: none;
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}
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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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}
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&.max-width_500px {
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> header {
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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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}
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}
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</style>
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