Ok i see why , look at the source code of anchor :
public static Anchor wrap(Element element) {
// Assert that the element is attached.
assert Document.get().getBody().isOrHasChild(element);
This element is not a child of the main Document .... So this wrap can't
work
On Sunday, October 28, 2012 11:37:15 AM UTC-5, Hugues wrote:
>
> In fact it does not work :-/
>
> I don't understand. In my debug i see the correct element but the wrap
> fail. I suppose the wrap fail because the element is not attached to the
> main DOM.
> Is it possible in gwt to wrap an element from an iframe as widget attached
> to the main module ?
>
> Element currentElement = this.getElement();
> IFrameElement iframe = IFrameElement.as(currentElement);
> Document iframeDocument = iframe.getContentDocument();
> Element el= (Element) iframeDocument.getElementById("testiframe");
> final Anchor testButton = Anchor.wrap(el);
> testButton.addClickHandler(new ClickHandler() {
> public void onClick(ClickEvent event) {
> Window.alert("CLIIIICKKK ");
> }
> });
>
>
>
> On Sunday, October 28, 2012 2:40:22 AM UTC-5, Fabio wrote:
>>
>> Well, if it works good for you...
>>
>> But if you created a ScriptElement with the function test equal to i.e.
>> "function clickMe { window.alert("Click")}"
>> and then on the ButtonElement you set the value i.e.
>> setValue("clickMe()") it worked as well....
>>
>> anyway
>>
>> you're welcome!!!!
>>
>> Il 28/10/2012 01:29, Hugues ha scritto:
>>
>> Just to let you know i tried something like that :
>> The wrap work perfectly with an element of the current dom but with an
>> element i get from the iframe it does not work
>>
>> Code sample :
>>
>> IFrameElement iframe = IFrameElement.as(this.getElement());
>> Document iframeDocument = iframe.getContentDocument();
>> Element el = (Element) iframeDocument.getElementById("myhrefElement");
>> Anchor testButton = Anchor.wrap(el);
>> testButton.addClickHandler(new ClickHandler() {
>> public void onClick(ClickEvent event) {
>> Window.alert("CLIIIICKKK ");
>> }
>> });
>>
>> By the way , thanks for your help
>>
>> On Saturday, October 27, 2012 4:58:16 PM UTC-5, Fabio wrote:
>>>
>>> EXACTLY
>>>
>>> get the Document, creaate a ButtonElement from the Document.
>>> But you must also create a ScriptElement and set the text of the
>>> function and then call click from the ButtonElement
>>>
>>>
>>>
>>>
>>> Il 27/10/2012 23:48, Hugues Lara ha scritto:
>>>
>>> So i should get my Document of my iframe. After i get my div element and
>>> to this div element i add a child and this child is a ButtonElement ...
>>> I can try that
>>>
>>> On Saturday, October 27, 2012 4:46:25 PM UTC-5, Fabio wrote:
>>>>
>>>> Hi Lara
>>>>
>>>> you can not replace the element with your button becasue your Button is
>>>> a Widget
>>>> while the button that you want to put in there must be a ButtonElement
>>>>
>>>> why ?
>>>> because the Widget are used by GWT to translate that code into
>>>> javascript.
>>>> Once translated in javascript work is done.
>>>> In your case you download a web page with the Frame, then google ALSO
>>>> provides mechanism to manipulate html page and Javascript
>>>> so your html page now must be handled by a reverse engineering and
>>>> threat that button as a ButtonElement
>>>>
>>>> is that clear ?
>>>>
>>>> Il 27/10/2012 23:38, Hugues Lara ha scritto:
>>>>
>>>> To be honest i don't get it at all ...
>>>> An other idea was to get the Document of the Iframe. That i got it , i
>>>> even find the element i want by parsing the html.
>>>> But i dunno how replace this Element by a GWT button attached to my
>>>> main module ( I think it's necessary to show my popup ).
>>>>
>>>> Thanks,
>>>>
>>>> On Saturday, October 27, 2012 4:28:03 PM UTC-5, Fabio wrote:
>>>>>
>>>>> No you can't do that, but you have to take this other way:
>>>>>
>>>>> extending our target, you want to add a Widget, because your button is
>>>>> a Widget, into a Document as javascript language provides.
>>>>> Infact you get a Document made by Elements.
>>>>>
>>>>> So I think you have to use the method appendChild where the child is a
>>>>> ButtonElement
>>>>>
>>>>> see
>>>>>
>>>>>
>>>>> http://google-web-toolkit.googlecode.com/svn/javadoc/1.5/index.html?com/google/gwt/dom/client/ButtonElement.html
>>>>>
>>>>> so you have to simulate javascript.
>>>>>
>>>>> The Button you mean is a Widget and use to CREATE a javascript, in
>>>>> that case everything has been already translated into javascript
>>>>>
>>>>>
>>>>> is that clear ?
>>>>>
>>>>> Il 27/10/2012 22:56, Hugues Lara ha scritto:
>>>>>
>>>>> Hi,
>>>>>
>>>>> My goal is to set gwt button inside my iFrame. If I do a
>>>>> RootPanel.get("my id").add(myButton) , it don't work because the id is
>>>>> inside the iFrame.
>>>>> I find out how get the Document of the iframe and get the Div Element
>>>>> but i still don't know how set a button on this div.
>>>>>
>>>>> Thanks,
>>>>>
>>>>> On Saturday, October 27, 2012 3:38:59 PM UTC-5, Fabio wrote:
>>>>>>
>>>>>> Hi
>>>>>>
>>>>>> did you add a ClickHandler ? it doesnt seems to implements a
>>>>>> clickHandler
>>>>>>
>>>>>> bye
>>>>>>
>>>>>>
>>>>>> Il 27/10/2012 22:07, Hugues Lara ha scritto:
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I am actually migrate a web application to GWT. In order to reuse
>>>>>> the existing page i put them in frame. However i have to develop a new
>>>>>> popup for one of them and i would like to let this popup attached to the
>>>>>> main module.
>>>>>> Before i was parsing the html to get the element and with RootPanel
>>>>>> attach a button. I can't do that anymore because it's in an Iframe.
>>>>>> So i try to fire an event on click inside the iFrame to get the
>>>>>> current element and if it's the right button show the popup ...
>>>>>>
>>>>>> The ONLOAD event work pretty well but the ONCLICK don't work at all
>>>>>>
>>>>>> my code sample :
>>>>>>
>>>>>> package com.exp.client;
>>>>>>
>>>>>> import com.google.gwt.user.client.DOM;
>>>>>> import com.google.gwt.user.client.Event;
>>>>>> import com.google.gwt.user.client.ui.Frame;
>>>>>> import com.google.gwt.user.client.Window;
>>>>>>
>>>>>> public class CustomFrame extends Frame {
>>>>>> public CustomFrame(){
>>>>>> sinkEvents(Event.ONCLICK);
>>>>>> sinkEvents(Event.ONLOAD);
>>>>>> setUrl("http://www.google.com"; <http://www.google.com>);
>>>>>> setSize("900px","900px");
>>>>>> }
>>>>>> public void onBrowserEvent(Event event){
>>>>>> super.onBrowserEvent(event);
>>>>>> switch (DOM.eventGetType(event))
>>>>>> {
>>>>>> case Event.ONCLICK:
>>>>>> Window.alert("ONCLICK : "+
>>>>>> event.getEventTarget().toString() );
>>>>>> DOM.eventPreventDefault(event);
>>>>>> break;
>>>>>> case Event.ONLOAD:
>>>>>> Window.alert("ONLOAD");
>>>>>> DOM.eventPreventDefault(event);
>>>>>> break;
>>>>>> }
>>>>>> }
>>>>>> }
>>>>>>
>>>>>> Thanks for your help
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