anki/ts/editor/editor-toolbar/BoldButton.svelte
Henrik Giesel f534dbb8e5
Separate input components into their own directories / Remove WithShortcut (#1613)
* Put PlainTextInput into its own directory

* Create a directory for RichTextInput

* Create editor-toolbar directory

* Move PreviewButton into editor-toolbar

* The time to refactor this is not quite yet here

* Create tag-editor directory

* Remove some of the uses of WithShortcut

* Remove all uses of WithShortcut from editor package

* Remove last uses of WithShortcut

* Fix typo
2022-01-24 11:43:09 +10:00

89 lines
2.7 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 "../../lib/ftl";
import IconButton from "../../components/IconButton.svelte";
import Shortcut from "../../components/Shortcut.svelte";
import WithState from "../../components/WithState.svelte";
import { MatchResult } from "../../domlib/surround";
import { getPlatformString } from "../../lib/shortcuts";
import { getSurrounder } from "../surround";
import { getNoteEditor } from "../OldEditorAdapter.svelte";
import type { RichTextInputAPI } from "../rich-text-input";
import { boldIcon } from "./icons";
function matchBold(element: Element): Exclude<MatchResult, MatchResult.ALONG> {
if (!(element instanceof HTMLElement) && !(element instanceof SVGElement)) {
return MatchResult.NO_MATCH;
}
if (element.tagName === "B" || element.tagName === "STRONG") {
return MatchResult.MATCH;
}
const fontWeight = element.style.fontWeight;
if (fontWeight === "bold" || Number(fontWeight) >= 400) {
return MatchResult.KEEP;
}
return MatchResult.NO_MATCH;
}
function clearBold(element: Element): boolean {
const htmlElement = element as HTMLElement | SVGElement;
htmlElement.style.removeProperty("font-weight");
if (htmlElement.style.cssText.length === 0) {
htmlElement.removeAttribute("style");
}
return !htmlElement.hasAttribute("style") && element.className.length === 0;
}
const { focusInRichText, activeInput } = getNoteEditor();
$: input = $activeInput;
$: disabled = !$focusInRichText;
$: surrounder = disabled ? null : getSurrounder(input as RichTextInputAPI);
function updateStateFromActiveInput(): Promise<boolean> {
return disabled ? Promise.resolve(false) : surrounder!.isSurrounded(matchBold);
}
const element = document.createElement("strong");
function makeBold(): void {
surrounder?.surroundCommand(element, matchBold, clearBold);
}
const keyCombination = "Control+B";
</script>
<WithState
key="bold"
update={updateStateFromActiveInput}
let:state={isBold}
let:updateState
>
<IconButton
tooltip="{tr.editingBoldText()} ({getPlatformString(keyCombination)})"
active={isBold}
{disabled}
on:click={(event) => {
makeBold();
updateState(event);
}}
>
{@html boldIcon}
</IconButton>
<Shortcut
{keyCombination}
on:action={(event) => {
makeBold();
updateState(event);
}}
/>
</WithState>