97b28398ea
* Add a store to indicate whether input trigger is active Button state is then indicated by: caretIsInBold XOR boldTriggerActive * Fix surrounding where normalization is tripped up by empty text nodes * Add failing test for unsurrounding * Fix failing test * prohibitOverlapse does not need to be active, if aboveEnd is null * Reinsert Italic and Underline button * Refactor find-adjacent to use sum types * Simplify return value of normalizeAdjacent
90 lines
2.7 KiB
Svelte
90 lines
2.7 KiB
Svelte
<!--
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Copyright: Ankitects Pty Ltd and contributors
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License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
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-->
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<script lang="ts">
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import * as tr from "../lib/ftl";
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import IconButton from "../components/IconButton.svelte";
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import Shortcut from "../components/Shortcut.svelte";
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import WithState from "../components/WithState.svelte";
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import { MatchResult } from "../domlib/surround";
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import { getPlatformString } from "../lib/shortcuts";
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import { getSurrounder } from "./surround";
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import { italicIcon } from "./icons";
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import { getNoteEditor } from "./OldEditorAdapter.svelte";
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import type { RichTextInputAPI } from "./RichTextInput.svelte";
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function matchItalic(element: Element): Exclude<MatchResult, MatchResult.ALONG> {
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if (!(element instanceof HTMLElement) && !(element instanceof SVGElement)) {
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return MatchResult.NO_MATCH;
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}
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if (element.tagName === "I" || element.tagName === "EM") {
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return MatchResult.MATCH;
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}
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if (["italic", "oblique"].includes(element.style.fontStyle)) {
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return MatchResult.KEEP;
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}
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return MatchResult.NO_MATCH;
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}
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function clearItalic(element: Element): boolean {
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const htmlElement = element as HTMLElement | SVGElement;
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htmlElement.style.removeProperty("font-style");
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if (htmlElement.style.cssText.length === 0) {
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htmlElement.removeAttribute("style");
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}
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return !htmlElement.hasAttribute("style") && element.className.length === 0;
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}
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const { focusInRichText, activeInput } = getNoteEditor();
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$: input = $activeInput;
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$: disabled = !$focusInRichText;
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$: surrounder = disabled ? null : getSurrounder(input as RichTextInputAPI);
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function updateStateFromActiveInput(): Promise<boolean> {
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return !input || input.name === "plain-text"
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? Promise.resolve(false)
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: surrounder!.isSurrounded(matchItalic);
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}
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const element = document.createElement("em");
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function makeItalic(): void {
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surrounder!.surroundCommand(element, matchItalic, clearItalic);
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}
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const keyCombination = "Control+I";
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</script>
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<WithState
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key="italic"
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update={updateStateFromActiveInput}
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let:state={active}
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let:updateState
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>
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<IconButton
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tooltip="{tr.editingItalicText()} ({getPlatformString(keyCombination)})"
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{active}
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{disabled}
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on:click={(event) => {
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makeItalic();
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updateState(event);
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}}
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>
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{@html italicIcon}
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</IconButton>
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<Shortcut
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{keyCombination}
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on:action={(event) => {
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makeItalic();
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updateState(event);
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}}
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/>
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</WithState>
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