diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/dom_utils.coffee | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/dom_utils.coffee b/lib/dom_utils.coffee index c1ce051f..9360bb95 100644 --- a/lib/dom_utils.coffee +++ b/lib/dom_utils.coffee @@ -236,6 +236,20 @@ DomUtils = event.initTextEvent "textInput", true, true, null, text element.dispatchEvent event + # Adapted from: http://roysharon.com/blog/37. + # This finds the element containing the selection focus. + getElementWithFocus: (selection, backwards) -> + r = t = selection.getRangeAt 0 + if selection.type == "Range" + r = t.cloneRange() + r.collapse backwards + t = r.startContainer + t = t.childNodes[r.startOffset] if t.nodeType == 1 + o = t + o = o.previousSibling while o and o.nodeType != 1 + t = o || t?.parentNode + t + extend DomUtils, # From: https://github.com/component/textarea-caret-position/blob/master/index.js getCaretCoordinates: do -> |