anki/ts/editor/ClozeButtons.svelte
2022-11-28 09:17:39 +10:00

107 lines
3.1 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 { isApplePlatform } from "@tslib/platform";
import { getPlatformString } from "@tslib/shortcuts";
import { createEventDispatcher } from "svelte";
import { get } from "svelte/store";
import ButtonGroup from "../components/ButtonGroup.svelte";
import IconButton from "../components/IconButton.svelte";
import Shortcut from "../components/Shortcut.svelte";
import { clozeIcon, incrementClozeIcon } from "./icons";
import { context as noteEditorContext } from "./NoteEditor.svelte";
import { editingInputIsRichText } from "./rich-text-input";
const { focusedInput, fields } = noteEditorContext.get();
// Workaround for Cmd+Option+Shift+C not working on macOS. The keyup approach works
// on Linux as well, but fails on Windows.
const event = isApplePlatform() ? "keyup" : "keydown";
const clozePattern = /\{\{c(\d+)::/gu;
function getCurrentHighestCloze(increment: boolean): number {
let highest = 0;
for (const field of fields) {
const content = field.editingArea?.content;
const fieldHTML = content ? get(content) : "";
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);
}
const dispatch = createEventDispatcher();
async function onIncrementCloze(): Promise<void> {
const highestCloze = getCurrentHighestCloze(true);
dispatch("surround", {
prefix: `{{c${highestCloze}::`,
suffix: "}}",
});
}
async function onSameCloze(): Promise<void> {
const highestCloze = getCurrentHighestCloze(false);
dispatch("surround", {
prefix: `{{c${highestCloze}::`,
suffix: "}}",
});
}
$: disabled = !$focusedInput || !editingInputIsRichText($focusedInput);
const incrementKeyCombination = "Control+Shift+C";
const sameKeyCombination = "Control+Alt+Shift+C";
</script>
<ButtonGroup>
<IconButton
tooltip="{tr.editingClozeDeletion()} ({getPlatformString(
incrementKeyCombination,
)})"
{disabled}
on:click={onIncrementCloze}
--border-left-radius="5px"
>
{@html incrementClozeIcon}
</IconButton>
<Shortcut
keyCombination={incrementKeyCombination}
event="keydown"
on:action={onIncrementCloze}
/>
<IconButton
tooltip="{tr.editingClozeDeletionRepeat()} ({getPlatformString(
sameKeyCombination,
)})"
{disabled}
on:click={onSameCloze}
--border-right-radius="5px"
>
{@html clozeIcon}
</IconButton>
<Shortcut keyCombination={sameKeyCombination} {event} on:action={onSameCloze} />
</ButtonGroup>