Hi Guys, Any idea on this.
Maniish ----- Original Message ----- From: "Manish Kumar" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Friday, November 28, 2008 1:05 PM Subject: Re: How to do cross site implementation in GWT > > Hi, > > There is a bit change in approach. Somehow i am now able to connect to GWT > from my external HTML/website. > The way I have done is on click of a button in my html , I open a new > window > which loads the GWT Host HTML which in turns calls a JSNI method. > The problem is now to pass some parameter from my website/HTML to GWT > native > method. > > Please help me out to get some way. > > Thanking you for much needed help & co-operation. > > Regards > Manish > > ----- Original Message ----- > From: "Manuel" <[EMAIL PROTECTED]> > To: <[email protected]>; <[EMAIL PROTECTED]> > Sent: Thursday, November 27, 2008 1:26 AM > Subject: Re: How to do cross site implementation in GWT > > >> >> One thing I just noticed in your code is that you are exporting java >> methods to javascript. When I tryied that a few weeks ago I could not >> figure out how the instance expression part worked, so I only have >> tried this with static methods >> e.g. >> >> public static int displayDialog(String companyId, String companyName) { >> ResponseDialog.getInstance().doSplash(companyId, companyName); >> return 0; >> } >> public static native void exportJavaMethod() /*-{ >> $wnd.sendEmail = >> @com.fbg.client.Emailer::displayDialog(Ljava/lang/String;Ljava/lang/String;); >> }-*/; >> and then calling the function from any javascript code in the host as >> sendEmail(id, name) >> >> Perhaps you can try changing PMGWTHtmlUtils::invokeGWT to be a static >> function >> >> >> On Wed, Nov 26, 2008 at 11:32 AM, Manuel <[EMAIL PROTECTED]> wrote: >>> I pretty much followed the steps detailed in >>> >>> http://code.google.com/docreader/#p=google-web-toolkit-doc-1-5&s=google-web-toolkit-doc-1-5&t=FAQ_JSONFeedsFromOtherDomain >>> >>> Plus I am passing parameters via javascript variables in the host >>> page. The code in the host page looks like: >>> >>> <script type="text/javascript"> >>> var fbg_customerId = '2222238976'; >>> var fbg_type = 'vertical'; >>> </script> >>> <script type="text/javascript" language="javascript" >>> src="http://www.gov-world.com/gwt/com.fbg.headlinesreader.HeadlinesReader.nocache.js";></script> >>> <div id="fbgPressReleases"> >>> </div> >>> >>> in the onModuleLoad() function I call the following native function to >>> read the javascript variables >>> >>> public native void getParameters() /*-{ >>> >>> [EMAIL PROTECTED]::parameter_id = >>> $wnd.fbg_customerId; >>> >>> [EMAIL PROTECTED]::parameter_format >>> = $wnd.fbg_type; >>> }-*/; >>> >>> and after that I call the makeJSONRequest() function which is declared >>> as follows: >>> >>> >>> public static native void makeJSONRequest(String url, JSONHandler >>> handler) /*-{ >>> $wnd.jsonCallback = function(jsonObj) { >>> >>> @com.fbg.headlinesreader.client.HeadlinesReader::dispatchJSON(Lcom/google/gwt/core/client/JavaScriptObject;Lcom/fbg/headlinesreader/client/JSONHandler;)(jsonObj, >>> handler); >>> } >>> >>> // create SCRIPT tag, and set SRC attribute equal to JSON >>> feed URL + >>> callback function name >>> var script = $wnd.document.createElement("script"); >>> script.setAttribute("src", url+"jsonCallback"); >>> script.setAttribute("type", "text/javascript"); >>> >>> $wnd.document.getElementsByTagName("head")[0].appendChild(script); >>> >>> }-*/; >>> >>> public static void dispatchJSON(JavaScriptObject jsonObj, >>> JSONHandler >>> handler) { >>> handler.handleJSON(jsonObj); >>> } >>> >>> public void handleJSON(JavaScriptObject obj) { >>> // String s; >>> if (obj == null) { >>> // grr >>> return; >>> } >>> >>> JSONArray myarr; >>> JSONObject myObj; >>> myarr = new JSONArray(obj); >>> for (int i=0; i<myarr.size();i++) { >>> myObj = myarr.get(i).isObject(); >>> headlines.add( new Headline( >>> >>> myObj.get("title").isString().stringValue().trim(), >>> >>> myObj.get("link").isString().stringValue().trim(), >>> >>> myObj.get("create_date").isString().stringValue().trim() >>> ) ); >>> } >>> showNews(); //and this finally adds widgets to the >>> element >>> fbgPressReleases in the host page >>> } >>> >>> >>> >>> I read that there was an inssue with firefox 3 and IE7 that made >>> difficult to access the window object of a webpage from a script >>> loaded from a different domain, so my Assumption is that the >>> <add-linker name="xs" /> in the configuration signals GWT to work >>> around this issue >>> >>> >>> >>> >>> On Tue, Nov 25, 2008 at 8:36 PM, Manish Kumar <[EMAIL PROTECTED]> >>> wrote: >>>> >>>> Hi Manuel, >>>> >>>> Thanx for response.But I wanna know how do you passing the parameter >>>> from >>>> our website/HTML to gwt component. >>>> is this by using JSNI.if yes , how do attached your compiled gwt app >>>> source >>>> to your website/html.This point is crucial for me >>>> since i am not able to connect to gwt from our html in deployment >>>> mode( not >>>> hosted mode ). >>>> >>>> please provide the detail about your approach. >>>> >>>> Regards >>>> Manish >>>> >>>> ----- Original Message ----- >>>> From: "Manuel Aguilera" <[EMAIL PROTECTED]> >>>> To: "Google Web Toolkit" <[email protected]> >>>> Sent: Wednesday, November 26, 2008 1:13 AM >>>> Subject: Re: How to do cross site implementation in GWT >>>> >>>> >>>> >>>> I was having a similar Issue. I am working on an application that will >>>> load a short list of headlines from our website via cross-site >>>> json.The gwt files, the json feed and the host HTML page reside on >>>> different domains. On the Module XML format page in the developer >>>> guide (http://code.google.com/docreader/#p=google-web-toolkit- >>>> doc-1-5&s=google-web-toolkit-doc-1-5&t=DevGuideModuleXml) the method >>>> suggested was including something similar to: >>>> >>>> <module> >>>> <inherits name="com.google.gwt.core.Core" /> >>>> <add-linker name="xs" /> >>>> </module> >>>> >>>> however after uploading the output files I got a couple of permission >>>> errors on Firefox, namely: >>>> >>>> Permission denied to get property Window.document >>>> http://192.168.1.145/com.fbg.headlinesreader.HeadlinesReader/6F72E8AB842459823620F4AC11938839.cache.html >>>> Line 1 >>>> >>>> What I did was to remove the <inherits >>>> name="com.google.gwt.core.Core" /> element from the module xml file. >>>> Mine looks as follows: >>>> <module> >>>> <inherits name='com.google.gwt.user.User'/> >>>> <inherits name='com.google.gwt.user.theme.standard.Standard'/> >>>> >>>> <inherits name="com.google.gwt.json.JSON" /> >>>> <inherits name="com.google.gwt.http.HTTP" /> >>>> >>>> <entry-point class='com.fbg.headlinesreader.client.HeadlinesReader'/ >>>>> >>>> <stylesheet src='HeadlinesReader.css' /> >>>> >>>> <add-linker name="xs" /> >>>> >>>> </module> >>>> >>>> I am not sure why but it seems to be working ok now. I Hope this helps >>>> >>>> Regards, >>>> Manuel Aguilera >>>> >>>> >>>> >>>> On Nov 25, 1:25 am, "Manish Kumar" <[EMAIL PROTECTED]> wrote: >>>>> Hi everybody, >>>>> >>>>> can anybody plz help me out to get the right path for cross site >>>>> implementation. >>>>> >>>>> please go through the mail below and make me aware about my approach. >>>>> >>>>> Thanx & Regards >>>>> Manish >>>>> >>>>> ----- Original Message ----- >>>>> From: "Manish Kumar" <[EMAIL PROTECTED]> >>>>> To: <[email protected]> >>>>> Sent: Monday, November 24, 2008 11:12 AM >>>>> Subject: How to do cross site implementation in GWT >>>>> >>>>> > Hi everybody, >>>>> >>>>> > I has working for 2 months on GWT( 1.5.3 ). I have been successful >>>>> > in >>>>> > implementing various feature in GWT. Finally I am stuck at end for >>>>> > almost >>>>> > 20 >>>>> > days in including my GWT project to a set of HTML files with passing >>>>> > a >>>>> > set >>>>> > of values to GWT from HTML. >>>>> > Previously also I put this issue in this forum as i was trying with >>>>> > JSNI >>>>> > and >>>>> > xs linker.Now i am running out of time. Time has come for >>>>> > decision.Thanks >>>>> > for constant help and co-operation. >>>>> >>>>> > Now can anybody please confirm my approach? Since still I suspect my >>>>> > approach. >>>>> >>>>> > I have a set of HTML files. I have made and GWT project including >>>>> > some >>>>> > widgets , rpc and a external server( calling using request >>>>> > builder ). >>>>> > I >>>>> > have >>>>> > wriiten a JSNI method in GWT component which is called by a GWT >>>>> > method >>>>> > called inside onModuleLoad. >>>>> > I have wriiten a js method( on HTML side) which calls JSNI method. >>>>> >>>>> > I compiled the GWT component using xs linker and added nocache.js in >>>>> > my >>>>> > HTML(in HEAD part). I am expecting that this will invoke GWT >>>>> > component >>>>> > as >>>>> > js >>>>> > method ( html side ) is called on click of a button displayed in >>>>> > HTML. >>>>> >>>>> > A couple of months back I had got this but I don't understand why >>>>> > this >>>>> > is >>>>> > not working this time.There is a remarkable observation is that >>>>> > previously >>>>> > I >>>>> > had got xs-nocache.js and my JSNI method inside that.This I am not >>>>> > getting >>>>> > now. >>>>> >>>>> > One more thing I would like to know that what is the role of >>>>> > cache.js? >>>>> >>>>> > Can anybody provide me what is mistake/is this workable or not. >>>>> >>>>> > Regards >>>>> > Manish >>>> >>>> >>>> >>>> >> >>>> >>> >>> >>> >>> -- >>> ++>+++++++++++[<+++++++>-]<.>++++[<--->-]<.>++++[<+++>-]<+.+++++++.>++++[<---->-]<.+++++++. >>> >> >> >> >> -- >> ++>+++++++++++[<+++++++>-]<.>++++[<--->-]<.>++++[<+++>-]<+.+++++++.>++++[<---->-]<.+++++++. >> >> > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. 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