yumechi-no-kuni/src/client/components/ui/folder.vue
2021-04-14 03:34:56 +09:00

143 lines
2.7 KiB
Vue

<template>
<div class="ssazuxis" v-size="{ max: [500] }">
<header @click="showBody = !showBody" class="_button">
<div class="title"><slot name="header"></slot></div>
<div class="divider"></div>
<button class="_button">
<template v-if="showBody"><Fa :icon="faAngleUp"/></template>
<template v-else><Fa :icon="faAngleDown"/></template>
</button>
</header>
<transition name="folder-toggle"
@enter="enter"
@after-enter="afterEnter"
@leave="leave"
@after-leave="afterLeave"
>
<div v-show="showBody">
<slot></slot>
</div>
</transition>
</div>
</template>
<script lang="ts">
import { defineComponent } from 'vue';
import { faAngleUp, faAngleDown } from '@fortawesome/free-solid-svg-icons';
const localStoragePrefix = 'ui:folder:';
export default defineComponent({
props: {
expanded: {
type: Boolean,
required: false,
default: true
},
persistKey: {
type: String,
required: false,
default: null
},
},
data() {
return {
showBody: (this.persistKey && localStorage.getItem(localStoragePrefix + this.persistKey)) ? localStorage.getItem(localStoragePrefix + this.persistKey) === 't' : this.expanded,
faAngleUp, faAngleDown
};
},
watch: {
showBody() {
if (this.persistKey) {
localStorage.setItem(localStoragePrefix + this.persistKey, this.showBody ? 't' : 'f');
}
}
},
methods: {
toggleContent(show: boolean) {
this.showBody = show;
},
enter(el) {
const elementHeight = el.getBoundingClientRect().height;
el.style.height = 0;
el.offsetHeight; // reflow
el.style.height = elementHeight + 'px';
},
afterEnter(el) {
el.style.height = null;
},
leave(el) {
const elementHeight = el.getBoundingClientRect().height;
el.style.height = elementHeight + 'px';
el.offsetHeight; // reflow
el.style.height = 0;
},
afterLeave(el) {
el.style.height = null;
},
}
});
</script>
<style lang="scss" scoped>
.folder-toggle-enter-active, .folder-toggle-leave-active {
overflow-y: hidden;
transition: opacity 0.5s, height 0.5s !important;
}
.folder-toggle-enter-from {
opacity: 0;
}
.folder-toggle-leave-to {
opacity: 0;
}
.ssazuxis {
position: relative;
> header {
display: flex;
position: relative;
z-index: 10;
position: sticky;
top: var(--stickyTop, 0px);
backdrop-filter: blur(20px);
> .title {
margin: 0;
padding: 12px 16px 12px 0;
> [data-icon] {
margin-right: 6px;
}
&:empty {
display: none;
}
}
> .divider {
flex: 1;
margin: auto;
height: 1px;
background: var(--divider);
}
> button {
padding: 12px 0 12px 16px;
}
}
&.max-width_500px {
> header {
> .title {
padding: 8px 10px 8px 0;
}
}
}
}
._flat_ .ssazuxis {
margin: var(--margin);
}
</style>