Question

$doc.selection is undefined in GWT

Asked by: bhomass

any experts for GWT?
I have a native method which uses
$doc.selection.createRange()

I am not sure why the $ before doc. I simply copied it from some sample code. this method works find when in hosted mode. but after compile and called directly from a browser I get the $doc.selection is undefined error.

any one knows what's wrong with this?

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Asked On
2009-05-31 at 23:01:35ID24452541
Topics

Java Programming Language

,

JavaScript

,

Asynchronous Javascript and XML (AJAX)

Participating Experts
1
Points
200
Comments
6

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Answers

 

by: TimYatesPosted on 2009-06-04 at 01:47:34ID: 24544696

What browser are you using?

$doc.selection should (I believe) translate to document.selection in javascript, which is only supported by IE

 

by: bhomassPosted on 2009-06-04 at 10:02:41ID: 24549037

I need it to work also for FF. is there a browser neutral way to do this?

 

by: TimYatesPosted on 2009-06-04 at 11:01:25ID: 24549602

This might help?

http://www.webreference.com/js/column12/crossbrowser.html

It looks kinda old, but it works on FF

 

by: bhomassPosted on 2009-06-05 at 13:13:17ID: 24559810

I tried the suggested scripts, I am getting different results

  if (document.getSelection) {
    var range = document.getSelection().createRange();;
  } else if (document.selection && document.selection.createRange) {
    var range = document.selection.createRange();
  } else {
    var str = "Sorry, this is not possible with your browser.";
  }

I use the range to get the parent Element, range.parentElement();

originally (using $doc), I get back a div, now I am getting back the BODY element.
document.selection does not seem to be equivalent to $doc.selection, even though it removes the browser incompatibility.

any ideas?

 

by: bhomassPosted on 2009-06-07 at 14:35:00ID: 24568175

turns out $doc is specific to GWT. it is needed for all browsers.

Thanks for the help though, the reference pages is useful.

 

by: bhomassPosted on 2009-06-07 at 14:35:47ID: 31587247

answer not right on, but helpful

20120131-EE-VQP-002

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