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Refactor wrap code

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This commit is contained in:
Henrik Giesel 2021-02-08 22:13:49 +01:00
parent d10383ea9d
commit a90931b91e
1 changed files with 12 additions and 9 deletions
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21
ts/editor/wrap.ts
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@ -5,11 +5,19 @@ function wrappedExceptForWhitespace(text: string, front: string, back: string):
return match[1] + front + match[2] + back + match[3]; return match[1] + front + match[2] + back + match[3];
} }
function moveCursorPastPostfix(selection: Selection, postfix: string): void {
const range = selection.getRangeAt(0);
range.setStart(range.startContainer, range.startOffset - postfix.length);
range.collapse(true);
selection.removeAllRanges();
selection.addRange(range);
}
function wrapInternal(front: string, back: string, plainText: boolean): void { function wrapInternal(front: string, back: string, plainText: boolean): void {
const currentField = getCurrentField()!; const currentField = getCurrentField()!;
const s = currentField.getSelection(); const selection = currentField.getSelection();
let r = s.getRangeAt(0); const range = selection.getRangeAt(0);
const content = r.cloneContents(); const content = range.cloneContents();
const span = document.createElement("span"); const span = document.createElement("span");
span.appendChild(content); span.appendChild(content);
@ -22,12 +30,7 @@ function wrapInternal(front: string, back: string, plainText: boolean): void {
} }
if (!span.innerHTML) { if (!span.innerHTML) {
// run with an empty selection; move cursor back past postfix moveCursorPastPostfix(selection, back);
r = s.getRangeAt(0);
r.setStart(r.startContainer, r.startOffset - back.length);
r.collapse(true);
s.removeAllRanges();
s.addRange(r);
} }
} }