48 lines
1.6 KiB
TypeScript
48 lines
1.6 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 { getCurrentField, setFormat } from ".";
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function wrappedExceptForWhitespace(text: string, front: string, back: string): string {
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const match = text.match(/^(\s*)([^]*?)(\s*)$/)!;
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return match[1] + front + match[2] + back + match[3];
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}
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function moveCursorPastPostfix(selection: Selection, postfix: string): void {
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const range = selection.getRangeAt(0);
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range.setStart(range.startContainer, range.startOffset - postfix.length);
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range.collapse(true);
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selection.removeAllRanges();
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selection.addRange(range);
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}
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function wrapInternal(front: string, back: string, plainText: boolean): void {
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const currentField = getCurrentField()!;
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const selection = currentField.getSelection();
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const range = selection.getRangeAt(0);
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const content = range.cloneContents();
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const span = document.createElement("span");
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span.appendChild(content);
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if (plainText) {
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const new_ = wrappedExceptForWhitespace(span.innerText, front, back);
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setFormat("inserttext", new_);
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} else {
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const new_ = wrappedExceptForWhitespace(span.innerHTML, front, back);
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setFormat("inserthtml", new_);
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}
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if (!span.innerHTML) {
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moveCursorPastPostfix(selection, back);
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}
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}
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export function wrap(front: string, back: string): void {
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wrapInternal(front, back, false);
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}
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/* currently unused */
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export function wrapIntoText(front: string, back: string): void {
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wrapInternal(front, back, true);
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}
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