[Webkit-unassigned] [Bug 25607] Need a way to catch (and cancel?) any execCommand. Maybe document.onexeccommand = ?

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=25607


Ryosuke Niwa <rniwa at webkit.org> changed:

           What    |Removed                     |Added
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                 CC|                            |rniwa at webkit.org,
                   |                            |slightlyoff at chromium.org




--- Comment #4 from Ryosuke Niwa <rniwa at webkit.org>  2010-07-28 19:09:46 PST ---
Alex proposed an alternative approach of exposing each command of execCommand as a method of document, window, etc... and make it replaceable by JavaScript, and have all editing commands such as bolding initiated by user go through that API.

So for example, you can override the bolding operation as follows:

var b = document.execCommand.bold;
document.execCommand.bold = function (range, showDefaultUI, value) {
  if (...) {...}// take care of my stuff here
  return b(range, showDefaultUI, value); // call the original for other cases
}

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