Jens, thank you very much!
You helped me a lot! It works fine.
For others, who have the same problem, here is the working code (JSNI
method):
public native boolean optimizeFrameSize (String id)
/*-{
var newheight;
var newwidth;
var frame = $doc.getElementById(id)
if(frame !=null){
newheight=frame.contentWindow.document.body.scrollHeight;
newwidth=frame.contentWindow.document.body.scrollWidth;
frame.height= (newheight) + "px";
frame.width= (newwidth) + "px";
return true;
}
return false;
}-*/;
Also addLoadHandler works fine!
*One more question for the IFrame:*
Is there a way to get with an IFrame the same scroll-experience with an
HTML-widget?
The reason:
The content of the IFrame is always selectable and so scrolling works only
on the left or right side on the screen of a mobile device (I use the
IFrame for an mgwt-app).
If the text would be not selectable (but links are touchable) as in
HTML-widgets, I would have the same scroll-experience (users can scroll by
touching the content with one finger - and not only on right or left side
of the screen) on my displayed IFrame.
Am Mittwoch, 15. Januar 2014 20:32:42 UTC+1 schrieb Jens:
>
> 1)
>> in my ViewImpl-Class in the Consructor I have to create the frame and
>> load the content.
>> The content (html-url) is from my war-directory:
>> frame = new Frame(GWT.getHostPageBaseURL() + "ClientData/myhtml.html");
>> frame.getElement().setId("framename");
>> => $doc is right here because it is in my domain?
>>
>
> $doc is correct because you are in a GWT app. GWT is executed in an iFrame
> and if you would only write "document" you would get the iFrame document
> and not the window document. Same with $wnd. So in a GWT app you always use
> $wnd and $doc inside JSNI functions to access the top level window and
> document.
>
>
> 2)
>> After that I should wait until the frame content is fully loaded.
>> => How can I handle this??
>>
>
> Frame.addLoadHandler().
>
>
>
>> 3)
>> If the content is loaded I call the setFrameSize()-Method.
>> public native boolean setFrameSize (String id)
>> /*-{
>> var newheight;
>> var newwidth;
>> var frame = $doc.getElementById(id)
>>
>> if(frame !=null){
>> newheight=frame.contentWindow.$doc.body.scrollHeight;
>> newwidth=frame.contentWindow.$doc.body.scrollWidth;
>>
>
> As already said in my previous reply: $doc is a GWT variable and if your
> Frame does not show a GWT app then this variable does simply not exist in
> that Frame. Instead of $doc you then have to use "document":
> frame.contentWindow.document.body.scrollWidth.
>
>
> -- J.
>
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