88 lines
2.7 KiB
TypeScript
88 lines
2.7 KiB
TypeScript
// 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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import { updateActiveButtons } from "editor-toolbar";
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import { EditingArea } from "./editingArea";
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import { caretToEnd, nodeIsElement, getBlockElement } from "./helpers";
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import { triggerChangeTimer } from "./changeTimer";
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export function onInput(event: Event): void {
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// make sure IME changes get saved
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triggerChangeTimer(event.currentTarget as EditingArea);
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updateActiveButtons();
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}
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export function onKey(evt: KeyboardEvent): void {
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const currentField = evt.currentTarget as EditingArea;
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// esc clears focus, allowing dialog to close
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if (evt.code === "Escape") {
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currentField.blurEditable();
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return;
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}
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// prefer <br> instead of <div></div>
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if (
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evt.code === "Enter" &&
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!getBlockElement(currentField.shadowRoot!) !== evt.shiftKey
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) {
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evt.preventDefault();
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document.execCommand("insertLineBreak");
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}
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// // fix Ctrl+right/left handling in RTL fields
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if (currentField.isRightToLeft()) {
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const selection = currentField.getSelection();
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const granularity = evt.ctrlKey ? "word" : "character";
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const alter = evt.shiftKey ? "extend" : "move";
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switch (evt.code) {
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case "ArrowRight":
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selection.modify(alter, "right", granularity);
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evt.preventDefault();
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return;
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case "ArrowLeft":
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selection.modify(alter, "left", granularity);
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evt.preventDefault();
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return;
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}
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}
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triggerChangeTimer(currentField);
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}
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globalThis.addEventListener("keydown", (evt: KeyboardEvent) => {
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if (evt.code === "Tab") {
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globalThis.addEventListener(
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"focusin",
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(evt: FocusEvent) => {
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const newFocusTarget = evt.target;
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if (newFocusTarget instanceof EditingArea) {
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caretToEnd(newFocusTarget);
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updateActiveButtons();
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}
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},
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{ once: true }
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);
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}
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});
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export function onKeyUp(evt: KeyboardEvent): void {
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const currentField = evt.currentTarget as EditingArea;
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// Avoid div element on remove
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if (evt.code === "Enter" || evt.code === "Backspace") {
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const anchor = currentField.getSelection().anchorNode as Node;
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if (
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nodeIsElement(anchor) &&
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anchor.tagName === "DIV" &&
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!(anchor instanceof EditingArea) &&
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anchor.childElementCount === 1 &&
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anchor.children[0].tagName === "BR"
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) {
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anchor.replaceWith(anchor.children[0]);
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}
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}
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}
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