diff options
Diffstat (limited to 'lib/dom_utils.coffee')
| -rw-r--r-- | lib/dom_utils.coffee | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/dom_utils.coffee b/lib/dom_utils.coffee index 1a992b43..9d7ca867 100644 --- a/lib/dom_utils.coffee +++ b/lib/dom_utils.coffee @@ -141,6 +141,24 @@ DomUtils = (element.nodeName.toLowerCase() == "input" && unselectableTypes.indexOf(element.type) == -1) || element.nodeName.toLowerCase() == "textarea" + # Input or text elements are considered focusable and able to receieve their own keyboard events, and will + # enter insert mode if focused. Also note that the "contentEditable" attribute can be set on any element + # which makes it a rich text editor, like the notes on jjot.com. + isEditable: (element) -> + return true if element.isContentEditable + nodeName = element.nodeName?.toLowerCase() + # Use a blacklist instead of a whitelist because new form controls are still being implemented for html5. + if nodeName == "input" and element.type not in ["radio", "checkbox"] + return true + nodeName in ["textarea", "select"] + + # Embedded elements like Flash and quicktime players can obtain focus. + isEmbed: (element) -> + element.nodeName?.toLowerCase() in ["embed", "object"] + + isFocusable: (element) -> + @isEditable(element) or @isEmbed element + isDOMDescendant: (parent, child) -> node = child while (node != null) |