anki/ts/editor/MathjaxHandle.svelte
2021-09-15 13:33:20 +02:00

79 lines
2.4 KiB
Svelte

<!--
Copyright: Ankitects Pty Ltd and contributors
License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
-->
<script lang="ts">
import WithDropdown from "components/WithDropdown.svelte";
import ButtonDropdown from "components/ButtonDropdown.svelte";
import DropdownMenu from "components/DropdownMenu.svelte";
import Item from "components/Item.svelte";
import HandleSelection from "./HandleSelection.svelte";
import HandleBackground from "./HandleBackground.svelte";
import HandleControl from "./HandleControl.svelte";
import MathjaxHandleInlineBlock from "./MathjaxHandleInlineBlock.svelte";
import MathjaxHandleEditor from "./MathjaxHandleEditor.svelte";
export let activeImage: HTMLImageElement | null = null;
export let container: HTMLElement;
export let isRtl: boolean;
const resizeObserver = new ResizeObserver(() => {
if (activeImage) {
updateSelection();
}
});
resizeObserver.observe(container);
let updateSelection: () => void;
function onUpdate(event: CustomEvent) {
activeImage!.parentElement!.dataset.mathjax = event.detail.mathjax;
setTimeout(updateSelection);
}
</script>
<WithDropdown
placement="bottom"
autoOpen={true}
autoClose={false}
let:createDropdown
let:dropdownObject
>
{#if activeImage}
<HandleSelection
image={activeImage}
{container}
offsetX={2}
offsetY={2}
bind:updateSelection
on:mount={(event) => createDropdown(event.detail.selection)}
>
<HandleBackground on:click={(event) => event.stopPropagation()} />
<HandleControl offsetX={1} offsetY={1} />
</HandleSelection>
<DropdownMenu>
<MathjaxHandleEditor
initialValue={activeImage.parentElement?.dataset.mathjax ?? ""}
on:update={(event) => {
onUpdate(event);
setTimeout(dropdownObject.update);
}}
/>
<div
on:click={() => {
updateSelection();
dropdownObject.update();
}}
>
<Item>
<MathjaxHandleInlineBlock {activeImage} {isRtl} />
</Item>
</div>
</DropdownMenu>
{/if}
</WithDropdown>