b5fa47e307
* Fix MathJax editor sometimes not properly sized Also fix an issue where when 'Reduce motion' is enabled, a popover appears momentarily out of position and then shifts to the correct position. * Fix MathJax editor sometimes getting cut off * Change max-width of MathJax editor
103 lines
2.8 KiB
Svelte
103 lines
2.8 KiB
Svelte
<!--
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Copyright: Ankitects Pty Ltd and contributors
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License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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-->
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<script lang="ts">
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import type { Placement } from "@floating-ui/dom";
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import { getContext, onMount } from "svelte";
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import { create_in_transition } from "svelte/internal";
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import type { Writable } from "svelte/store";
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import { slide } from "svelte/transition";
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import { floatingKey } from "./context-keys";
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export let scrollable = false;
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let element: HTMLDivElement;
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let wrapper: HTMLDivElement;
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let hidden = true;
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let minHeight = 0;
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let placement: Placement;
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const placementStore = getContext<Writable<Promise<Placement>>>(floatingKey);
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/* await computed placement of floating element to determine animation direction */
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$: if ($placementStore !== undefined && hidden) {
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$placementStore.then((computedPlacement) => {
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if (placement != computedPlacement) {
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placement = computedPlacement;
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/* use internal function to animate popover */
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create_in_transition(element, slide, { duration: 200 }).start();
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hidden = false;
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}
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});
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}
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onMount(async () => {
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/* set min-height on wrapper to ensure correct
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popover placement at animation start */
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minHeight = wrapper.offsetHeight;
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});
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</script>
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<div
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class="popover-wrapper d-flex"
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style:--min-height="{minHeight}px"
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bind:this={wrapper}
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>
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<div
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class="popover"
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class:scrollable
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class:hidden
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class:top={placement === "top"}
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class:right={placement === "right"}
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class:bottom={placement === "bottom"}
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class:left={placement === "left"}
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bind:this={element}
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>
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<slot />
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</div>
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</div>
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<style lang="scss">
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@use "sass/elevation" as elevation;
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.popover-wrapper {
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min-height: var(--min-height, 0);
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}
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.popover {
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@include elevation.elevation(8);
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align-self: flex-start;
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border-radius: var(--border-radius);
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background-color: var(--canvas-elevated);
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border: 1px solid var(--border-subtle);
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min-width: var(--popover-width, 1rem);
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max-width: 95vw;
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/* Needs this much space for FloatingArrow to be positioned */
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padding: var(--popover-padding-block, 6px) var(--popover-padding-inline, 6px);
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&.scrollable {
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max-height: 400px;
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overflow: hidden auto;
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}
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&.hidden {
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visibility: hidden;
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}
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/* alignment determines slide animation direction */
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&.top,
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&.left {
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align-self: flex-end;
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}
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&.bottom,
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&.right {
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align-self: flex-start;
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}
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}
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</style>
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