Re: I'm trying out an example I found in a GWT book. In side the .html file, whenever I tried to name a div the same name as the class, nothing will be displayed on the screen.
Crsytal clear!
Thank you very much for your time :)
On May 24, 8:28 am, Sripathi Krishnan sripathi.krish...@gmail.com
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 roud...@gmail.com 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 googling1...@gmail.comwrote:
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
titleHangman/title
style
body,td,a,div, .p{font-family:arial, sans-serif}
div,td{color:#00}
a:link,.w,.w a:linnk{color:#cc}
a:visited{color: #551a8b}
a:active{color: #ff}
/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
h1Hangman/h1
div id=mydiv/div !-- NOTE: when I named this div
hangman, nothing appeared on the screen --
table align=center
tr
td id=slot1/tdtd 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
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I'm trying out an example I found in a GWT book. In side the .html file, whenever I tried to name a div the same name as the class, nothing will be displayed on the screen.
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
titleHangman/title
style
body,td,a,div, .p{font-family:arial, sans-serif}
div,td{color:#00}
a:link,.w,.w a:linnk{color:#cc}
a:visited{color: #551a8b}
a:active{color: #ff}
/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
h1Hangman/h1
div id=mydiv/div !-- NOTE: when I named this div
hangman, nothing appeared on the screen --
table align=center
tr
td id=slot1/tdtd 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
--
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Re: I'm trying out an example I found in a GWT book. In side the .html file, whenever I tried to name a div the same name as the class, nothing will be displayed on the screen.
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 googling1...@gmail.comwrote:
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
titleHangman/title
style
body,td,a,div, .p{font-family:arial, sans-serif}
div,td{color:#00}
a:link,.w,.w a:linnk{color:#cc}
a:visited{color: #551a8b}
a:active{color: #ff}
/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
h1Hangman/h1
div id=mydiv/div !-- NOTE: when I named this div
hangman, nothing appeared on the screen --
table align=center
tr
td id=slot1/tdtd 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
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Re: I'm trying out an example I found in a GWT book. In side the .html file, whenever I tried to name a div the same name as the class, nothing will be displayed on the screen.
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 roud...@gmail.com 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 googling1...@gmail.comwrote:
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
titleHangman/title
style
body,td,a,div, .p{font-family:arial, sans-serif}
div,td{color:#00}
a:link,.w,.w a:linnk{color:#cc}
a:visited{color: #551a8b}
a:active{color: #ff}
/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
h1Hangman/h1
div id=mydiv/div !-- NOTE: when I named this div
hangman, nothing appeared on the screen --
table align=center
tr
td id=slot1/tdtd 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
--
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