Re: Help required for eclipse setup for gwt project

2012-04-04 Thread Philippe Lhoste

On 01/04/2012 16:07, tomo india wrote:

I am trying to setup my eclipse IDE for gwt development.

I am following the instructions from the below URL

https://developers.google.com/web-toolkit/usingeclipse

I downloaded the eclipse and installed the plugins and restarted the
eclipse.

As per the above article, when i tried to create web application, i am
not seeing web application project in File--New--  menu.


Try File  New  Other... and see if you have Google and Google Web Toolkit entries, with 
sub-items. I have the Web Application Project under the Google entry.


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Philippe Lhoste
--  (near) Paris -- France
--  http://Phi.Lho.free.fr
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Re: help required on MenuBar

2010-03-07 Thread zbr
thanks mibtar for your post,

I've already tried the 'crude' way.
I thought we can add images to the menuBar in a more elegant manner,
using
MenuBar(boolean vertical, MenuBar.Resources resources).   It didn't
work for me.

thanks any way.

zbr

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Re: help required on MenuBar

2010-03-06 Thread mibtar
create an interface:

public interface Resource extends ClientBundle{
@Source(theimage.png)
ImageResource theimage();
}

place the theimage.png file in the same package as the interface.

to use the interface:


Resource resource = GWT.create(Resource.class);

//make the file menu
MenuBar filemenu = new MenuBar(true);
filemenu.addItem(img src=' + resource.theimage().getURL() + '/
File,  true, new Command() {
public void execute() {
//what to do
}
});
filemenu.addItem(img src=' + resource.theimage().getURL() + '/
Open,  true, new Command() {
public void execute() {
//what to do
}
});
filemenu.addItem(img src=' + resource.theimage().getURL() + '/
Save,  true, new Command() {
public void execute() {
//what to do
}
});


//add the file menu to the menubar
MenuBar bar = new MenuBar();
bar.addItem(File, filemenu);

RootPanel.get().add(bar);


this is a pretty crude way to do it, but it works.

you can check MenuBar(boolean vertical, MenuBar.Resources resources)
in the documentation
i think that how you're supposed to use images, but i haven't tried it
yet.

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Re: Help required when or how to use timer

2009-06-19 Thread Suren

Hi,

Once again thanks alot for your feedback.
I have done that now, but I wont say it is completed. But I got the
functionality as I expected. Below is the code I used
Just have a look and clarify one question here.

class Client {
.
.
DBUpdate;
new Highlighter().removeHighlight(rowIndex);
.
.


public class Highlighter{
Timer pushTimer;
int timerCount;

private void removeHighlight(final int row){


pushTimer = new Timer(){
public void run(){
timerCount++;


System.out.println(TimerCount..+timerCount);
if (timerCount == 20) {
for(int i=1;i=colCount;i++){
if 
(datacellFormatter.getStyleName(row,i).equals(AADD_POLL)){

//System.out.println(colIndex..+i);

datacellFormatter.removeStyleName(row, i, AADD_POLL);
}
}
this.cancel();
}
}
};

pushTimer.scheduleRepeating(250);
}
}

}


Here my doubt is the object created by
new Highlighter().removeHighlight(rowIndex);
will be closed automatically or we may have to anything explicitly???

Kindly advise

Thanks
Suren
On Jun 18, 7:59 pm, Kwhit kwhitting...@gmail.com wrote:
 Sure...

  4/ At the last interrupt have the object commit suicide and remove
  itself

 Feedback will wake up every, say, 250ms.. You want to keep a highlight
 visible for say 5 seconds so that's 20 wake ups. Count them. On the
 20th you're going to set the background back to it's original color -
 probably white. When you've done that remove the association between
 the cell/row and the Feedback object and don't set the timer again.
 There's no more references to that Feedback object so it will be
 forgotten about and garbage collected.

  5/ On an edit clear any existing feedback objects and kill them.
  Instantiate a new Feedback object and forget about it

 When you start editing a cell check if there are any associated
 Feedback objects - there will be either 0 or 1. If you find one then
 remove it and set a flag in it to tell it not to change the background
 color of the cell and that's it.
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Re: Help required when or how to use timer

2009-06-18 Thread Kwhit

That's a nice graphical feedback idea Suren (I'll steal it one day
soon I'm sure ;-)

How I would do it

1/ Create a Feedback object that has a time in side of it that takes
card of the cell, row, etc.. Associated with the cell, row, in some
way

2/ Inside the feedback object set the hot color as desired and the
schedule regular intervals say 1/3 of a second giving a total of 15
interrupts. At each interrupt move the color 1/15th of the way back to
white - quite easy to do if you split up the RGB values

3/ Have a poisenPill() method on the object that will terminate it

4/ At the last interrupt have the object commit suicide and remove
itself

5/ On an edit clear any existing feedback objects and kill them.
Instantiate a new Feedback object and forget about it

Your users will be fighting to edit as many cells as they can as fast
as they can

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Re: Help required when or how to use timer

2009-06-18 Thread Suren

Hi Kwhit,

Thanks for the reply.

This idea is not bad either ;-) Sure, I'll use this if it works for
me.

Let me try this and getback ASAP.

Thanks again
Suren


On Jun 18, 8:10 am, Kwhit kwhitting...@gmail.com wrote:
 That's a nice graphical feedback idea Suren (I'll steal it one day
 soon I'm sure ;-)

 How I would do it

 1/ Create a Feedback object that has a time in side of it that takes
 card of the cell, row, etc.. Associated with the cell, row, in some
 way

 2/ Inside the feedback object set the hot color as desired and the
 schedule regular intervals say 1/3 of a second giving a total of 15
 interrupts. At each interrupt move the color 1/15th of the way back to
 white - quite easy to do if you split up the RGB values

 3/ Have a poisenPill() method on the object that will terminate it

 4/ At the last interrupt have the object commit suicide and remove
 itself

 5/ On an edit clear any existing feedback objects and kill them.
 Instantiate a new Feedback object and forget about it

 Your users will be fighting to edit as many cells as they can as fast
 as they can
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Re: Help required when or how to use timer

2009-06-18 Thread Suren

Hi Kwhit,

I started thinking of what you mentioned here..still I didnt get a
clue of few things..

Could you please explain a bit more on
4/ At the last interrupt have the object commit suicide and remove
itself
and
5/ On an edit clear any existing feedback objects and kill them.
Instantiate a new Feedback object and forget about it

Thanks
 Suren

On Jun 18, 8:50 am, Suren nsurendi...@gmail.com wrote:
 Hi Kwhit,

 Thanks for the reply.

 This idea is not bad either ;-) Sure, I'll use this if it works for
 me.

 Let me try this and getback ASAP.

 Thanks again
 Suren

 On Jun 18, 8:10 am, Kwhit kwhitting...@gmail.com wrote:

  That's a nice graphical feedback idea Suren (I'll steal it one day
  soon I'm sure ;-)

  How I would do it

  1/ Create a Feedback object that has a time in side of it that takes
  card of the cell, row, etc.. Associated with the cell, row, in some
  way

  2/ Inside the feedback object set the hot color as desired and the
  schedule regular intervals say 1/3 of a second giving a total of 15
  interrupts. At each interrupt move the color 1/15th of the way back to
  white - quite easy to do if you split up the RGB values

  3/ Have a poisenPill() method on the object that will terminate it

  4/ At the last interrupt have the object commit suicide and remove
  itself

  5/ On an edit clear any existing feedback objects and kill them.
  Instantiate a new Feedback object and forget about it

  Your users will be fighting to edit as many cells as they can as fast
  as they can
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Re: Help required when or how to use timer

2009-06-18 Thread Kwhit

Sure...

 4/ At the last interrupt have the object commit suicide and remove
 itself
Feedback will wake up every, say, 250ms.. You want to keep a highlight
visible for say 5 seconds so that's 20 wake ups. Count them. On the
20th you're going to set the background back to it's original color -
probably white. When you've done that remove the association between
the cell/row and the Feedback object and don't set the timer again.
There's no more references to that Feedback object so it will be
forgotten about and garbage collected.

 5/ On an edit clear any existing feedback objects and kill them.
 Instantiate a new Feedback object and forget about it
When you start editing a cell check if there are any associated
Feedback objects - there will be either 0 or 1. If you find one then
remove it and set a flag in it to tell it not to change the background
color of the cell and that's it.



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Re: help required

2009-05-18 Thread Mathieu BONIFACE
Hi,

GWT does not emule the java.util.regex class

You should see
http://code.google.com/intl/fr/webtoolkit/doc/1.6/RefJreEmulation.html#Package_java_util
for more informations.

Mathieu Boniface

2009/5/18 poonam poonam...@gmail.com


 Hello,
I have developed an Validation application.And in that having
 different classes for Numeric Field, Alphabetic Field, Pattern
 Matching, etc.
 But when I import -
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
 I get errors as -
 The import java.util.regex cannot be resolved
 but,Pattern Matching is the requirement of the classes,
 I have send the class and detailed error message below.Please help or
 suggest what can I do?
 -class -
 public class NumericField implements Validation {
 public boolean validate() {

if(widgetToValidate.getText()!= [0-9]) {
GWT.log(in validate() of RequiredField  ,null);

 String regex = [0-9];
 Pattern p = Pattern.compile(regex,Pattern.CASE_INSENSITIVE);
 Matcher matcher = p.matcher(regex);
 //boolean b = m.matches();

 if(matcher.find())
{
Window.alert(correct format);
}
return false;
}
return true;

}
}

 When I compile this program I get the errors below :

 D:\ValidationStudentInfo-compile
 Analyzing source in module 'com.company.StudentInfo'
   [ERROR] Errors in 'D:\Validation\src\com\company\client
 \Alpahabetic.java'
  [ERROR] Line 8:  The import java.util.regex cannot be resolved
  [ERROR] Line 131:  PatternSyntaxException cannot be resolved to
 a type
  [ERROR] Line 132:  ex cannot be resolved
   [ERROR] Errors in 'D:\Validation\src\com\company\client
 \NumericField.java'
  [ERROR] Line 5:  The import java.util.regex cannot be resolved
  [ERROR] Line 6:  The import java.util.regex cannot be resolved
  [ERROR] Line 73:  Pattern.CASE_INSENSITIVE cannot be resolved
  [ERROR] Line 74:  Matcher cannot be resolved to a type
  [ERROR] Line 74:  The method matcher(String) is undefined for
 the type Pattern
 Finding entry point classes
   [ERROR] Unable to find type 'com.company.client.StudentInfo'
  [ERROR] Hint: Previous compiler errors may have made this type
 unavailable
  [ERROR] Hint: Check the inheritance chain from your module; it
 may not be inheriting a required module or a module
  may not be adding its source path entries properly
 [ERROR] Build failed

 Thus, I am not able to solve the error : The import java.util.regex
 cannot be resolved

 How to solve it?
 Thanks.


 


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Re: help required

2009-05-18 Thread Salvador Diaz

How about reading the documentation?

http://code.google.com/intl/fr/webtoolkit/doc/1.6/DevGuideCodingBasics.html#DevGuideClientSide

The very first paragraph has the answer to your problem and instructs
you to read the following part:
http://code.google.com/intl/fr/webtoolkit/doc/1.6/DevGuideCodingBasics.html#DevGuideJavaCompatibility

And ultimately this should precisely answer your question:
http://code.google.com/webtoolkit/doc/1.6/RefJreEmulation.html

=There is no java.util.regex support in client-side code. You should
use instead:
http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html#matches(java.lang.String)

If there's anything there that's not clear enough, feel free to ask
for clarifications.

Salvador

On 18 mai, 15:10, poonam poonam...@gmail.com wrote:
 Hello,
     I have developed an Validation application.And in that having
 different classes for Numeric Field, Alphabetic Field, Pattern
 Matching, etc.
 But when I import -
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
 I get errors as -
 The import java.util.regex cannot be resolved
 but,Pattern Matching is the requirement of the classes,
 I have send the class and detailed error message below.Please help or
 suggest what can I do?
 -class -
 public class NumericField implements Validation {
 public boolean validate() {

     if(widgetToValidate.getText()!= [0-9]) {
         GWT.log(in validate() of RequiredField  ,null);

          String regex = [0-9];
          Pattern p = Pattern.compile(regex,Pattern.CASE_INSENSITIVE);
          Matcher matcher = p.matcher(regex);
          //boolean b = m.matches();

                  if(matcher.find())
         {
                 Window.alert(correct format);
         }
         return false;
         }
         return true;

         }
         }

 When I compile this program I get the errors below :

 D:\ValidationStudentInfo-compile
 Analyzing source in module 'com.company.StudentInfo'
    [ERROR] Errors in 'D:\Validation\src\com\company\client
 \Alpahabetic.java'
       [ERROR] Line 8:  The import java.util.regex cannot be resolved
       [ERROR] Line 131:  PatternSyntaxException cannot be resolved to
 a type
       [ERROR] Line 132:  ex cannot be resolved
    [ERROR] Errors in 'D:\Validation\src\com\company\client
 \NumericField.java'
       [ERROR] Line 5:  The import java.util.regex cannot be resolved
       [ERROR] Line 6:  The import java.util.regex cannot be resolved
       [ERROR] Line 73:  Pattern.CASE_INSENSITIVE cannot be resolved
       [ERROR] Line 74:  Matcher cannot be resolved to a type
       [ERROR] Line 74:  The method matcher(String) is undefined for
 the type Pattern
 Finding entry point classes
    [ERROR] Unable to find type 'com.company.client.StudentInfo'
       [ERROR] Hint: Previous compiler errors may have made this type
 unavailable
       [ERROR] Hint: Check the inheritance chain from your module; it
 may not be inheriting a required module or a module
  may not be adding its source path entries properly
 [ERROR] Build failed

 Thus, I am not able to solve the error : The import java.util.regex
 cannot be resolved

 How to solve it?
 Thanks.
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Re: help required

2009-05-15 Thread पुनम------------
Hello,
Thanks for ur reply...
I followed what u told, but even then the project is not accepting any
properties of the jar and performing validations.
I am not understanding what to do further please help me
I have included the jar in the projects library folder where all the jars
required are kept.
Also, included it in the build path.Even then it is not working.
Please let me know if anything is remaining?
Thanks once again.

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Re: help required

2009-05-15 Thread Alyxandor

Does your jar have source attached?  Also, try putting a copy in
your war/WEB-INF/lib folder.

What build method do you use?  IDE?  Ant?  Cypal...  Don't use Cypal
anymore, the official GWT + Appengine plugin works like a dream,
provided your source level and source compliance level are set to
1.6...

For clarity, the IDE is happy, but the compiler isn't?

If it comes right down to it, you can tarball your project directory
and email it to me, and I can check it out, but I'd really rather
not...

Are you using Eclipse?  If you aren't, download 3.4 Ganymede {Galileo
is too new for the GWT plugin} and the Google Plugin, then make sure
your jar is in the project build path, AND war/WEB-INF/lib ...  If
that fails, send your code and I'll try to get it to go.
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Re: help required

2009-05-14 Thread Salvador Diaz

You need to include the source files (*java), the module definitions
(*.gwt.xml) and all resources in your jar. That's all there is to it.
A normal java jar is just *.classes files, maybe that's why it
doesn't work.

Take a look at the gwt-user jar, it's a good example of a jar-packaged
gwt library ( or any jar-packaged gwt library for that matter).

And for the record, you have to provide more information if you want
help. Instead of saying: it gives error saying : no such file or
directory  you should include the relevant part of the stack trace
(or the whole stack trace if you don't know what is the relevant
part).

Hope that helps,

Salvador

On 14 mai, 14:15, poonam poonam...@gmail.com wrote:
 Hello All,
       Actually I have developed a validation application in gwt. Now,
 I want to convert it into a jar file so that I can use it in my
 another application. I tried by converting it in the way for java but
 it gives error saying :
     no such file or directory
 Please help me.
 And let me know how can I convert this GWT validation application into
 a jar?? or any website which would help me...
 Thanks
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Re: help required

2009-05-14 Thread Alyxandor

Even if you do package all your code in a jar, you should keep at
least one module and entry point OUTSIDE the jar, so the compiler has
some raw source to start with.  Also check that you're including your
packaged jar in your build process.

If you just want to reuse your code, you can just include the core
project through your IDE, so you don't have to re-jar for every build.

I use the google appengine which has a 1000 file limit, so I jar any
finalized / old / stagnant code, but never active, volatile code.

G'luck!
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Re: help required

2009-05-05 Thread Salvador Diaz

Why don't you let us see your classes to understand what's going on ?
You could use pastebin or snipplr.

Cheers,

Salvador

On May 5, 8:24 am, poonam poonam...@gmail.com wrote:
 Hello all,
     I am creating the validation classes for
 RequiredField,TextPattern,Numeric field,etc. I have got stuck in the
 coding and getting errors, If anyone has created such classes please
 let me know the coding so that I can understand where am I going
 wrong?
 Thanks.
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Re: help required

2009-03-16 Thread Vitali Lovich
CATALINA_HOME is the name for the home of Tomcat.  You'll have to lookup how
to set up a Tomcat server.

On Mon, Mar 16, 2009 at 5:45 AM, poonam poonam...@gmail.com wrote:


 hello,
 According to the Three Part Tutorial suggested by u I have
 developed my application but instead of SQL I have used MySQL; my
 application has worked in the Hosted mode and now according to the
 Forth Part of the tutorial I am trying to convert it to Web mode.But I
 am not getting that where to create the context file and where is
 the path CATALINA_HOME/conf/Catalina/localhost and also further how to
 run the project in web mode.

 Please help me and reply soon.
 Thanks a lot.

 


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Re: help required

2009-03-16 Thread eggsy

I have already replied to this from your blog comment.

Eggsy

On Mar 16, 2:45 pm, Vitali Lovich vlov...@gmail.com wrote:
 Oh, and SQL is the umbrella name for the database language.  There's a lot
 of different vendors providing slightly different implementations.  MySQL is
 a popular one.

 On Mon, Mar 16, 2009 at 10:44 AM, Vitali Lovich vlov...@gmail.com wrote:
  CATALINA_HOME is the name for the home of Tomcat.  You'll have to lookup
  how to set up a Tomcat server.

  On Mon, Mar 16, 2009 at 5:45 AM, poonam poonam...@gmail.com wrote:

  hello,
          According to the Three Part Tutorial suggested by u I have
  developed my application but instead of SQL I have used MySQL; my
  application has worked in the Hosted mode and now according to the
  Forth Part of the tutorial I am trying to convert it to Web mode.But I
  am not getting that where to create the context file and where is
  the path CATALINA_HOME/conf/Catalina/localhost and also further how to
  run the project in web mode.

  Please help me and reply soon.
  Thanks a lot.
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Re: Help required...

2008-11-12 Thread jwheat3300

What are you looking to do with GWT? I mean what is your knowledge
base in knowing Java, which doesn't matter much, but you have to at
least understand the syntax. The next step after that is to just pick
a development IDE which is the easiest way to use GWT. I use Netbeans,
but you can also use Eclipse which is what GWT has a lot of
information on. Then start off with small applications adding to them
as you learn new things about GWT. GWT is not that hard to use, but it
is like any new library, you have to play with it to understand how it
works. I've gotten pretty good at it, and it only took me two weeks to
get a real good understanding of how it works. I'm sure the guys at
Google would cringe at some of my code, but hey all that matters is
that I get my projects to work. Primarily I would start with working
on laying out a site with panels, using VerticalPanel,
HorizontalPanel, FlowPanel, AbsolutePanel, and the DockPanel, these
are the primary panels you will use in GWT. Then it is just a matter
of adding widgets to these panels and using Google to search for
solutions to any problems you run into. I have spent countless hours
searching through posts and blogs. I wouldn't suggest buying a book
because it is not really necessary, unless you want to learn about how
GWT compiles Java into javascript.

Be more descriptive in the problems you are having in getting started
and I will see what I can do to help you.

James

On Nov 11, 11:01 pm, Sanju [EMAIL PROTECTED] wrote:
 Hi I am new to GWT , I got to know about it recently.Now I a want to
 learn GWT can any one guide me step by step so that I can learn GWT!I
 referred this sitehttp://code.google.com/webtoolkit/examples/
 unfortunately I couldn't understood much from it as I am having
 confusion from where to start and how do I proceed.I think I need you
 peoplehelpto move on in using GWT as my development platform...
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Re: Help required...

2008-11-11 Thread ajay jetti
go for roughian examples on the net

http://examples.roughian.com/

yours

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