anki/ts/editor/ClozeButton.svelte
2021-09-09 15:38:01 +02:00

58 lines
1.8 KiB
Svelte

<!--
Copyright: Ankitects Pty Ltd and contributors
License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
-->
<script lang="typescript">
import * as tr from "lib/i18n";
import IconButton from "components/IconButton.svelte";
import WithShortcut from "components/WithShortcut.svelte";
import OnlyEditable from "./OnlyEditable.svelte";
import { withButton } from "components/helpers";
import { ellipseIcon } from "./icons";
import { forEditorField } from ".";
import { wrapCurrent } from "./wrap";
const clozePattern = /\{\{c(\d+)::/gu;
function getCurrentHighestCloze(increment: boolean): number {
let highest = 0;
forEditorField([], (field) => {
const fieldHTML = field.editingArea.fieldHTML;
const matches: number[] = [];
let match: RegExpMatchArray | null = null;
while ((match = clozePattern.exec(fieldHTML))) {
matches.push(Number(match[1]));
}
highest = Math.max(highest, ...matches);
});
if (increment) {
highest++;
}
return Math.max(1, highest);
}
function onCloze(event: KeyboardEvent | MouseEvent): void {
const highestCloze = getCurrentHighestCloze(!event.getModifierState("Alt"));
wrapCurrent(`{{c${highestCloze}::`, "}}");
}
</script>
<WithShortcut shortcut={"Control+Alt?+Shift+C"} let:createShortcut let:shortcutLabel>
<OnlyEditable let:disabled>
<IconButton
tooltip={`${tr.editingClozeDeletion()} (${shortcutLabel})`}
{disabled}
on:click={onCloze}
on:mount={withButton(createShortcut)}
>
{@html ellipseIcon}
</IconButton>
</OnlyEditable>
</WithShortcut>