47 lines
1.3 KiB
TypeScript
47 lines
1.3 KiB
TypeScript
/*
|
|
* https://github.com/morethanwords/tweb
|
|
* Copyright (C) 2019-2021 Eduard Kuzmenko
|
|
* https://github.com/morethanwords/tweb/blob/master/LICENSE
|
|
*
|
|
* Originally from:
|
|
* https://github.com/zhukov/webogram
|
|
* Copyright (C) 2014 Igor Zhukov <igor.beatle@gmail.com>
|
|
* https://github.com/zhukov/webogram/blob/master/LICENSE
|
|
*/
|
|
|
|
export default function setRichFocus(field: HTMLElement, selectNode: Node, noCollapse?: boolean) {
|
|
field.focus();
|
|
if(selectNode &&
|
|
selectNode.parentNode == field &&
|
|
!selectNode.nextSibling &&
|
|
!noCollapse) {
|
|
field.removeChild(selectNode);
|
|
selectNode = null;
|
|
}
|
|
|
|
if(window.getSelection && document.createRange) {
|
|
const range = document.createRange();
|
|
if(selectNode) {
|
|
range.selectNode(selectNode);
|
|
} else {
|
|
range.selectNodeContents(field);
|
|
}
|
|
|
|
if(!noCollapse) {
|
|
range.collapse(false);
|
|
}
|
|
|
|
const sel = window.getSelection();
|
|
sel.removeAllRanges();
|
|
sel.addRange(range);
|
|
}
|
|
/* else if (document.body.createTextRange !== undefined) {
|
|
var textRange = document.body.createTextRange()
|
|
textRange.moveToElementText(selectNode || field)
|
|
if (!noCollapse) {
|
|
textRange.collapse(false)
|
|
}
|
|
textRange.select()
|
|
} */
|
|
}
|