anki/ts/editor/editor-toolbar/LatexButton.svelte

120 lines
3.7 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 * as tr from "@tslib/ftl";
import { getPlatformString } from "@tslib/shortcuts";
import { wrapInternal } from "@tslib/wrap";
import DropdownItem from "../../components/DropdownItem.svelte";
import IconButton from "../../components/IconButton.svelte";
import Popover from "../../components/Popover.svelte";
import Shortcut from "../../components/Shortcut.svelte";
import WithFloating from "../../components/WithFloating.svelte";
import { mathjaxConfig } from "../../editable/mathjax-element";
import { context as noteEditorContext } from "../NoteEditor.svelte";
import type { RichTextInputAPI } from "../rich-text-input";
import { editingInputIsRichText } from "../rich-text-input";
import { functionIcon } from "./icons";
const { focusedInput } = noteEditorContext.get();
$: richTextAPI = $focusedInput as RichTextInputAPI;
async function surround(front: string, back: string): Promise<void> {
const element = await richTextAPI.element;
wrapInternal(element, front, back, false);
}
function onMathjaxInline(): void {
if (mathjaxConfig.enabled) {
surround("<anki-mathjax focusonmount>", "</anki-mathjax>");
} else {
surround("\\(", "\\)");
}
}
function onMathjaxBlock(): void {
if (mathjaxConfig.enabled) {
surround('<anki-mathjax block="true" focusonmount>', "</anki-matjax>");
} else {
surround("\\[", "\\]");
}
}
function onMathjaxChemistry(): void {
if (mathjaxConfig.enabled) {
surround('<anki-mathjax focusonmount="0,4">\\ce{', "}</anki-mathjax>");
} else {
surround("\\(\\ce{", "}\\)");
}
}
function onLatex(): void {
surround("[latex]", "[/latex]");
}
function onLatexEquation(): void {
surround("[$]", "[/$]");
}
function onLatexMathEnv(): void {
surround("[$$]", "[/$$]");
}
type LatexItem = [() => void, string, string];
const dropdownItems: LatexItem[] = [
[onMathjaxInline, "Control+M, M", tr.editingMathjaxInline()],
[onMathjaxBlock, "Control+M, E", tr.editingMathjaxBlock()],
[onMathjaxChemistry, "Control+M, C", tr.editingMathjaxChemistry()],
[onLatex, "Control+T, T", tr.editingLatex()],
[onLatexEquation, "Control+T, E", tr.editingLatexEquation()],
[onLatexMathEnv, "Control+T, M", tr.editingLatexMathEnv()],
];
$: disabled = !$focusedInput || !editingInputIsRichText($focusedInput);
let showFloating = false;
$: if (disabled) {
showFloating = false;
}
</script>
<WithFloating
show={showFloating}
closeOnInsideClick
inline
on:close={() => (showFloating = false)}
>
<IconButton
slot="reference"
tooltip={tr.editingEquations()}
{disabled}
on:click={() => (showFloating = !showFloating)}
>
{@html functionIcon}
</IconButton>
<Popover slot="floating" --popover-padding-inline="0">
{#each dropdownItems as [callback, keyCombination, label]}
<DropdownItem on:click={() => setTimeout(callback, 100)}>
<span>{label}</span>
<span class="ms-auto ps-2 shortcut"
>{getPlatformString(keyCombination)}</span
>
</DropdownItem>
{/each}
</Popover>
</WithFloating>
{#each dropdownItems as [callback, keyCombination]}
<Shortcut {keyCombination} on:action={callback} />
{/each}
<style lang="scss">
.shortcut {
font: Verdana;
}
</style>