anki/ts/editor/cloze.ts
2021-04-23 18:53:52 +02:00

53 lines
1.5 KiB
TypeScript

// Copyright: Ankitects Pty Ltd and contributors
// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
import type { ToolbarItem } from "editor-toolbar/types";
import * as tr from "lib/i18n";
import { iconButton, withShortcut } from "editor-toolbar/dynamicComponents";
import bracketsIcon from "./code-brackets.svg";
import { forEditorField } from ".";
import { wrap } from "./wrap";
const clozePattern = /\{\{c(\d+)::/gu;
function getCurrentHighestCloze(increment: boolean): number {
let highest = 0;
forEditorField([], (field) => {
const fieldHTML = field.editingArea.editable.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"));
wrap(`{{c${highestCloze}::`, "}}");
}
export function getClozeButton(): ToolbarItem {
return withShortcut({
id: "cloze",
shortcut: "Control+Shift+KeyC",
optionalModifiers: ["Alt"],
button: iconButton({
icon: bracketsIcon,
onClick: onCloze,
tooltip: tr.editingClozeDeletion(),
}),
});
}