For loading from a Url try the following (being aware of the security
issues):
/**
* Adds the necessary DOM script element.
*
* @param uniqueId A unique id for the DOM element.
* @param url Location of "script".
*/
public native void addScript(String uniqueId, String url) /*-{
var elem = document.createElement("script");
elem.setAttribute("language", "JavaScript");
elem.setAttribute("src", url);
elem.setAttribute("id", uniqueId);
document.getElementsByTagName("body")[0].appendChild(elem);
}-*/;
if you have direct code, perhaps just add the code as a child to the
"elem" created, i.e. elem.text = "alert('Hello')"; and ignore the
setAttribute("src", url) line??
//Adam
On 4 Feb, 11:11, sgaide <[email protected]> wrote:
> Hi,
>
> I'm looking for a clear answer about the possibility to inject
> javascript into the DOM using HTML widget.
> I have found two threads about this, with no definitive answers:
>
> <http://groups.google.com/group/Google-Web-Toolkit/browse_thread/
> thread/49cbe6bda567c1a9/a60c36f305f21337?lnk=gst&q=javascript
> +HTML#a60c36f305f21337>
>
> and
>
> <http://groups.google.com/group/Google-Web-Toolkit/browse_thread/
> thread/6fb61e587d7eab8d/44c22a52f86feb36?lnk=gst&q=javascript
> +HTML#44c22a52f86feb36>
>
> My application needs to inject some javascript code at runtime (the
> code is provided at runtime and can not be inserted in the html page
> or loaded using a 'dynamic' script file). The only way I found to do
> that is to create an HTML widget. The results are highly dependant on
> the browser :
>
> - with Firefox all works pretty well
> - with Safari and IE7 it doesn't work at all (javascript code is not
> executed). Using Safari development inspector I can see the javascript
> code in the DOM, but it's not interpreted by the browser.
>
> So is it really possible to inject javascript using an HTML widget ?
> if yes, how ? if no, is there any other way to do it ?
>
> Thanks a lot,
>
> regards,
>
> Sebastien.
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