Crsytal clear! Thank you very much for your time :) On May 24, 8:28 am, Sripathi Krishnan <[email protected]> wrote: > GWT creates a hidden iframe with an id equal to whatever your module is > renamed to. In your case, you had a div with id="Hangman", and GWT inserted > an iframe with *the exact same id*. This caused the problem you were facing. > Renaming the div got rid of the duplicate id, and that's why the application > works. > > Its frustrating, I know. > > --Sri > > On 24 May 2010 20:42, rudolf michael <[email protected]> wrote: > > > > > The Id of the DIV always matter whenever you are doing > > RootPanel.get(myDivId) and it is case sensitive also. > > this is applicable since GWT beta releases/ > > > best regards, > > Rudolf Michael > > > On Sat, May 22, 2010 at 2:51 PM, googling1000 <[email protected]>wrote: > > >> Hi, > > >> This is my first attempt at GWT. Hope it will be a joyful experience. > > >> I'm trying out a hangman example from this one book called Google Web > >> Toolkit Applications. > >> And, I spent the last two days trying to figure out why I couldn't see > >> anything on the screen, rather than the word "Hangman" > > >> Finally, I noticed that the problem was caused by the name of a <div> > >> inside hangman.html > > >> Right now, I'm displaying two buttons and a label. > > >> /********************************************** > >> This is what I have under hangman.java: > >> **********************************************/ > >> public class HangMan implements EntryPoint { > >> public void onModuleLoad(){ > >> final Button button = new Button("Click me"); > >> final Label label = new Label(); > > >> //to display a button with a letter "A" > >> final char letter = 'A'; > >> final Button alphabutton = new > >> Button(Character.toString(letter)); > >> RootPanel.get("mydiv").add(alphabutton); //Please notice > >> that I > >> named the div "mydiv" and the program works. Had I named the div > >> "hangman", I would not have seen anything on the screen, except the > >> word "Hangman" > > >> button.addClickHandler(new ClickHandler() { > >> �...@override > >> public void onClick(ClickEvent event) { > >> if (label.getText().equals("")) > >> label.setText("Hello World!"); > >> else > >> label.setText(""); > >> } > >> }); > >> //to display a button with the word "Click me" > >> RootPanel.get("slot1").add(button); > >> //to display a label > >> RootPanel.get("slot2").add(label); > >> } > >> } > > >> /********************************************** > >> This is what I have under hangman.html: > >> **********************************************/ > >> <!doctype html> > >> <html> > >> <head> > >> <meta http-equiv="content-type" content="text/html; > >> charset=UTF-8"> > >> <link type="text/css" rel="stylesheet" href="HangMan.css"> > > >> <title>Hangman</title> > >> <style> > >> body,td,a,div, .p{font-family:arial, sans-serif} > >> div,td{color:#000000} > >> a:link,.w,.w a:linnk{color:#0000cc} > >> a:visited{color: #551a8b} > >> a:active{color: #ff0000} > >> </style> > >> <script type="text/javascript" language="javascript" src="hangman/ > >> hangman.nocache.js"></script> > >> </head> > > >> <body> > >> <iframe src="javascript:''" id="__gwt_historyFrame" tabIndex='-1' > >> style="position:absolute;width:0;height:0;border:0"></iframe> > >> <h1>Hangman</h1> > >> <div id="mydiv"></div> <!-- NOTE: when I named this div > >> "hangman", nothing appeared on the screen --> > > >> <table align="center"> > >> <tr> > >> <td id="slot1"></td><td id="slot2"></td> > >> </tr> > >> </table> > >> </body> > >> </html> > > >> I would really like someone to help shed some light no this. > >> What is the explanation behind this? > >> And, the Google Web Toolkit Applications book named the <div> > >> "hangman" and I believe that means it must have worked fine for the > >> author. Does this mean that maybe the name of the <div> didn't matter > >> in the earlier versions of GWT? > > >> Thank you in advance for any input! > >> Fran > > >> -- > >> You received this message because you are subscribed to the Google Groups > >> "Google Web Toolkit" group. > >> To post to this group, send email to [email protected]. > >> To unsubscribe from this group, send email to > >> [email protected]<google-web-toolkit%[email protected]> > >> . > >> For more options, visit this group at > >>http://groups.google.com/group/google-web-toolkit?hl=en. > > > -- > > You received this message because you are subscribed to the Google Groups > > "Google Web Toolkit" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected]<google-web-toolkit%[email protected]> > > . > > For more options, visit this group at > >http://groups.google.com/group/google-web-toolkit?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group > athttp://groups.google.com/group/google-web-toolkit?hl=en.
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