pinafore/routes/_components/virtualList/VirtualListHeader.html

36 lines
896 B
HTML

<div class="virtual-list-header {{shown ? 'shown' : ''}}"
aria-hidden="{{!shown}}"
ref:node >
<:Component {component} :virtualProps />
</div>
<style>
.virtual-list-header {
position: absolute;
top: 0;
width: 100%;
opacity: 0;
pointer-events: none;
z-index: 10;
transition: none;
}
.virtual-list-header.shown {
opacity: 1;
pointer-events: auto;
transition: opacity 0.333s linear;
}
</style>
<script>
import { virtualListStore } from './virtualListStore'
import { AsyncLayout } from '../../_utils/AsyncLayout'
export default {
oncreate() {
const asyncLayout = new AsyncLayout(() => '__header__')
asyncLayout.observe('__header__', this.refs.node, (rect) => {
asyncLayout.disconnect()
this.store.setForRealm({headerHeight: rect.height})
})
},
store: () => virtualListStore,
}
</script>