Thank you Jeff and Bigous for your great help!
It is solved.
Regards.
Luciano
Luciano
On 5 août, 16:43, Bigous <big...@gmail.com> wrote:
> Hi Luciano,
>
> Jeff is correct. The script that runs inside the HTML runs before the
> script inside your EntryPoint class.
> You can check this setting up a timeOut to call a function inside the
> html... I changed your code to see how it works...
>
> ... After the including GWT script...
> <script>
> var count = 0;
> function doStuff() {
> count++;
> try {
> alert('Entered ' + count);
> alert(myJavaStaticMethod(1,2));
> } catch(err) {}
> }
> </script>
> </head>
>
> <!-- -->
> <!-- The body can have arbitrary html, or -->
> <!-- you can leave the body empty if you want -->
> <!-- to create a completely dynamic UI. -->
> <!-- -->
> <body onload="javascript:doStuff();">
>
> <!-- OPTIONAL: include this if you want history support -->
> <iframe src="javascript:''" id="__gwt_historyFrame" tabIndex='-1'
> style="position:absolute;width:0;height:0;border:0"></iframe>
>
> <script type="text/javascript" language="javascript">
> setTimeout("doStuff()", 1000);
> doStuff();
> </script>
> </body>
> </html>
>
> We can see 'Entered 1' without the result. This occurs while the
> browser is loading the HTML.
> We can see 'Entered 2' without the result. This occurs in the bodys
> event onload.
> We can see 'Entered 3' with the result 3. This occurs in the timeout
> event.
>
> So, you're calling the function before it has been defined.
>
> Best regards,
> Richard Natal
>
> On Aug 4, 6:06 pm, Jeff Chimene <jchim...@gmail.com> wrote:
>
> > On 08/04/2009 01:24 PM, Luciano Broussal wrote:
>
> > > Line 49: Object expected
> > > Char : 9
> > > Code: 0
> > > URL : url of myjsni.html test file
>
> > My guess is that the entire environment has not been created, hence the
> > "object expected" error. What I'm saying is that the GWT-generated code
> > that loads the $wnd.myJavaStaticMethod runs after the scripts in the
> > body tag.
> > You can try something like "if (window.sum) sum(3,3);" to prove this.
>
> > You won't usually use GWT in the style of putting scripts in the body
> > tag. You'll usually load the scripts via the head tag. Even when
> > retrofitting existing systems, this is the common technique.
>
> > > HTH Help
>
> > > On Aug 4, 9:33 pm, Jeff Chimene <jchim...@gmail.com> wrote:
> > >> On 08/04/2009 12:23 PM, Luciano Broussal wrote:
>
> > >>> Hi Jeff,
>
> > >>> I got a blank page and the myJavaStaticMethod is never called or on
> > >>> IE i got the javascript error icon on left bottom corner.
>
> > >> What's the text associated with this error?
>
> > >>> I don't really now what is going wrong. Can you make it work on your
> > >>> side ? ...
>
> > >>> Thanks
>
> > >>> Luciano
>
> > >>> On Aug 4, 8:31 pm, Jeff Chimene <jchim...@gmail.com> wrote:
> > >>>> On 08/04/2009 10:41 AM, Luciano Broussal wrote:
>
> > >>>>> Hi all,
>
> > >>>>> I'm fighting withJSNIfor a time without success trying to call a
> > >>>>> java method from my javascript stuff.
>
> > >>>>> I did as explained online but without success :(
>
> > >>>>>http://code.google.com/docreader/#p(google-web-toolkit-doc-1-5)s(goog...)
>
> > >>>>> He is my class and html.
>
> > >>>>> This makes me crazy. If someone could help me to display 1+ 2 = 3
> > >>>>> please.
>
> > >>>> What symptoms does this derangement exhibit?
>
> > >>>>> Thanks
>
> > >>>>> Luciano
>
> > >>>>> CLASS
> > >>>>> **********
>
> > >>>>> package com.st.jsni.client;
>
> > >>>>> import com.google.gwt.core.client.EntryPoint;
>
> > >>>>> /**
> > >>>>> * Entry point classes define <code>onModuleLoad()</code>.
> > >>>>> */
> > >>>>> public classJsniimplements EntryPoint {
> > >>>>> �...@override
> > >>>>> public void onModuleLoad() {
> > >>>>> exportStaticMethod();
> > >>>>> }
>
> > >>>>> public static native void exportStaticMethod() /*-{
> > >>>>> $wnd.myJavaStaticMethod =
> > >>>>> @com.st.jsni.client.Jsni::sum(II);
> > >>>>> }-*/;
>
> > >>>>> public static int sum(int a, int b) {
> > >>>>> return a + b;
> > >>>>> }
> > >>>>> }
>
> > >>>>> HTML
> > >>>>> *************
>
> > >>>>> <html>
> > >>>>> <head>
> > >>>>> <meta http-equiv="content-type" content="text/html;
> > >>>>> charset=UTF-8">
> > >>>>> <link type="text/css" rel="stylesheet" href="Jsni.css">
> > >>>>> <title>Web Application Starter Project</title>
> > >>>>> <script type="text/javascript" language="javascript" src="jsni/
> > >>>>>jsni.nocache.js"></script>
> > >>>>> </head>
>
> > >>>>> <!-- -->
> > >>>>> <!-- The body can have arbitrary html, or -->
> > >>>>> <!-- you can leave the body empty if you want -->
> > >>>>> <!-- to create a completely dynamic UI. -->
> > >>>>> <!-- -->
> > >>>>> <body>
>
> > >>>>> <!-- OPTIONAL: include this if you want history support -->
> > >>>>> <iframe src="javascript:''" id="__gwt_historyFrame" tabIndex='-1'
> > >>>>> style="position:absolute;width:0;height:0;border:0"></iframe>
>
> > >>>>> <script type="text/javascript" language="javascript">
> > >>>>> alert(myJavaStaticMethod(1,2));
> > >>>>> </script>
> > >>>>> </body>
> > >>>>> </html>
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"Google Web Toolkit" group.
To post to this group, send email to Google-Web-Toolkit@googlegroups.com
To unsubscribe from this group, send email to
google-web-toolkit+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/Google-Web-Toolkit?hl=en
-~----------~----~----~----~------~----~------~--~---
