Re: Editable CellTable with password column

[Kanagaraj M]

I have tried doing that. 
My code is something like follows

public class EditPasswordTextCell extends EditTextCell {


@Override
protected void edit(Context context, Element parent, String value) {
setValue(context, parent, value);
InputElement input = getInputElement(parent);
input.setAttribute("type", "password"); //$NON-NLS-1$ //$NON-NLS-2$
input.focus();
input.select();
}
}

This brings up a password box when clicking on the cell. But after finished 
editing and the value shown in the column is in plain text. Then i decided 
to override the renderer methods. But most of the methods in EditTextCell 
class are private, so i ended up overriding 

@Override
public void render(Context context, String value, SafeHtmlBuilder sb) {
value = "**"; //$NON-NLS-1$
super.render(context, value, sb);
}

The above code works fine for first rendering and not for the subsequent. 

Now the question arises, should i extend from EditTextCell 
or AbstractEditableCell?

Can anyone please help me in this?


On Friday, 17 August 2012 23:29:52 UTC+5:30, Juan Pablo Gardella wrote:
>
> You must write a custom EditTextCell.
>
> 2012/8/17 Kanagaraj M >
>
>> I have CellTable with password as one column. I want the password column 
>> to be editable.
>>
>> I have used EditTextCell to make the password as editable, but the 
>> problem is, the password is shown as plain text.
>>
>> As like we have PasswordTextBox, do we have any alternative for 
>> EditTextCell? or i need to write my own by extending EditTextCell?
>>
>> Can anyone please help me in this?
>>
>> -- 
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Editable CellTable with password column

[Kanagaraj M]

I have CellTable with password as one column. I want the password column to 
be editable.

I have used EditTextCell to make the password as editable, but the problem 
is, the password is shown as plain text.

As like we have PasswordTextBox, do we have any alternative for 
EditTextCell? or i need to write my own by extending EditTextCell?

Can anyone please help me in this?

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Re: SimpleRPC example is not working fine

[Kanagaraj M]

Could not open the file in Ubuntu. Can you upload it in another format 
zip,tar, etc?

On Friday, 6 July 2012 19:00:58 UTC+5:30, vikash@Atos wrote:
>
> Hi,
>
> I tried to run SimpleRPC example, but it is not working fine and always 
> show the message in the onFailure method?
> Due to size of the file, I have deleted gwt-servlet.jar file from the 
> attachment.
>
> Please help.
>
>
> Thanks
>

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Re: Getting started

[Kanagaraj M]

That come by default.

Just create New GWT Web Application project in eclipse.

Run as Web Application, thats it.

On Monday, 11 June 2012 16:23:20 UTC+5:30, vikash@Atos wrote:
>
> Hi, 
>
> Can you please suggest how the samples in Eclipse for GWT can be 
> configured in Eclipse and run? 
>
> Thanks, 
> Vikash 
>
> On May 31, 8:24 am, Kanagaraj M  wrote: 
> > Eclipse GWT plugin comes with a nice and simple sample project. 
> > You are free to run without any changes. 
> > 
> > 
> > 
> > On Wednesday, 30 May 2012 18:10:48 UTC+5:30, KAVI ARASAN wrote: 
> > 
> > > i am new to GWT, please help me in creating and running GWT 
> > > application in eclipse. 
> > > i need an tutorial which give the step by step process to create the 
> > > first GWT project.- Hide quoted text - 
> > 
> > - Show quoted text -

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Re: Facing issue while designing UI in GWT

[Kanagaraj M]

One thing you have to notice here is, your XxxServiceImpl itself a servlet.

Check this out - 
http://google-web-toolkit.googlecode.com/svn/javadoc/1.5/com/google/gwt/user/server/rpc/RemoteServiceServlet.html

I dont see any problem in accessing DB from a servlet. From the servlet you 
can make JDBC connection to the database and make you have the jdbc jar 
file in your class path.

On Friday, 6 July 2012 15:09:44 UTC+5:30, vikash@Atos wrote:
>
> Hi,
>
> I guess, using DB in GWT Application is something different, than normal 
> web app. Something client-server way is used for this purpose?
>
> Is there any example, where I can see how to connect a GWT app to MySQL?
>
> Thanks
>
> On Friday, July 6, 2012 10:10:08 AM UTC+2, Kanagaraj M wrote:
>>
>>
>>
>> On Friday, 6 July 2012 12:44:14 UTC+5:30, vikash@Atos wrote:
>>>
>>> Hi Thanks for Reply.
>>>
>>> Is there any development guide which specifies way of development of a 
>>> GWT application?
>>>
>>
>> Yes. There are lot of sample applications available. The one which comes 
>> with the eclipse plugin is a good one to start with.
>>  
>>
>>>
>>> How can we connect a GWT App, to a DB?
>>>
>>> It will be the same as how will you connect to DB from a servlet.
>>  
>>
>>> Thanks 
>>>
>>> On Friday, July 6, 2012 8:14:43 AM UTC+2, vikash@Atos wrote:
>>>>
>>>> Hi,
>>>>
>>>> Is there any way, we can develope and run a J2EE App in GWT environment?
>>>>
>>>> Can we mix J2EE components, like servlets and jsps in GWT app?
>>>>
>>>> Facing issue while designing UI with GWT.
>>>>
>>>> Any help guide would be helpful.
>>>>
>>>> Thanks in advance.
>>>>
>>>> Regards,
>>>> Vikash
>>>>
>>>

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Re: Facing issue while designing UI in GWT

[Kanagaraj M]

On Friday, 6 July 2012 12:44:14 UTC+5:30, vikash@Atos wrote:
>
> Hi Thanks for Reply.
>
> Is there any development guide which specifies way of development of a GWT 
> application?
>

Yes. There are lot of sample applications available. The one which comes 
with the eclipse plugin is a good one to start with.
 

>
> How can we connect a GWT App, to a DB?
>
> It will be the same as how will you connect to DB from a servlet.
 

> Thanks 
>
> On Friday, July 6, 2012 8:14:43 AM UTC+2, vikash@Atos wrote:
>>
>> Hi,
>>
>> Is there any way, we can develope and run a J2EE App in GWT environment?
>>
>> Can we mix J2EE components, like servlets and jsps in GWT app?
>>
>> Facing issue while designing UI with GWT.
>>
>> Any help guide would be helpful.
>>
>> Thanks in advance.
>>
>> Regards,
>> Vikash
>>
>

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Re: Basic Mail Using GWT UI

[Kanagaraj M]

It is looking like nothing to do with GWT.
The problem could be more related to GAE or Mail.

On Thursday, 31 May 2012 08:36:06 UTC+5:30, buzz_buzz wrote:
>
> this is my code at server side for sending email (my server is google app 
> engine)..
>
>
> public static void Email(String test)  {
> DateFormat formatter ; 
> Properties props = new Properties();
> Session session = Session.getDefaultInstance(props, null);
>
>
> try{
> 
> 
>  Message msg = new MimeMessage(session);
>msg.setFrom(new InternetAddress("Sender email", "Automatic 
> email"));
>msg.addRecipient(Message.RecipientType.TO,
> new InternetAddress("Recepient email"));
>msg.setSubject(test);
>msg.setText(test);
>Transport.send(msg);
> } catch (UnsupportedEncodingException e) {
> // TODO Auto-generated catch block
> e.printStackTrace();
> } catch (MessagingException e) {
> // TODO Auto-generated catch block
> e.printStackTrace();
> } 
> 
> }
>
> On Thu, May 31, 2012 at 4:09 AM, Joseph Lust  wrote:
>
>> Buddy,
>>
>> Show us your code that is not working and we'll try to help.
>>
>> Sincerely,
>> Joseph
>>
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>>
>
>

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Re: Getting started

[Kanagaraj M]

Eclipse GWT plugin comes with a nice and simple sample project.
You are free to run without any changes.

On Wednesday, 30 May 2012 18:10:48 UTC+5:30, KAVI ARASAN wrote:
>
> i am new to GWT, please help me in creating and running GWT 
> application in eclipse. 
> i need an tutorial which give the step by step process to create the 
> first GWT project. 
>

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Re: Google IO 2012 : no GWT session ?

[Kanagaraj M]

The History and Future of Google Web ToolkitRay Cromwell
https://developers.google.com/events/io/sessions/gooio2012/218/

On Thursday, 17 May 2012 11:30:00 UTC+5:30, Celinio Fernandes wrote:
>
> Hello,
> I just noticed that the schedule for Google IO 2012 is now available : 
> https://developers.google.com/events/io/sessions
> Not sure whether it is definitive or not.
> I see that this year there is no session dedicated to GWT. How come ? 
> But there are 2 sessions dedicated to Dart. Is this a sign ?
>
>
>
>

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Re: Google IO 2012 : no GWT session ?

[Kanagaraj M]

The History and Future of Google Web Toolkitbyt Ray Cromwell
https://developers.google.com/events/io/sessions/gooio2012/218/

On Thursday, 17 May 2012 11:30:00 UTC+5:30, Celinio Fernandes wrote:
>
> Hello,
> I just noticed that the schedule for Google IO 2012 is now available : 
> https://developers.google.com/events/io/sessions
> Not sure whether it is definitive or not.
> I see that this year there is no session dedicated to GWT. How come ? 
> But there are 2 sessions dedicated to Dart. Is this a sign ?
>
>
>
>

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Re: First Time GWT user

[Kanagaraj M]

The code which you have written in Java will not be reflected in 
ModuleName.html file directly.
Instead you will have .js file which contains the JS/HTML code 
corresponding to your java code.

Meanwhile are you getting any error in Dev Mode?

On Sunday, 13 May 2012 21:35:25 UTC+5:30, jb wrote:
>
> Trying to create my first webapp with GWT.
>
> I was able to write up some client side java code. But this did not get 
> refelected on the .html file.inside the war file. Can some one guide me 
> through what I might be doing wrong.
>
> Thanks
> John
>

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Re: URGENT-Generating gwt web pages

[Kanagaraj M]

what you mean by entry. Are you trying to generate gwt models from what?

Velocity would be the right choice.

If you are gonna write complex template Freemarker would be a better one.


On Saturday, 21 April 2012 22:03:19 UTC+5:30, vanessa vanessa wrote:
>
> Hello ,
>
> I have to create a generator that generates gwt code from a model as an 
> entry.
> Can any one help me how to proceed ? And which template engine to choose ?
> Is velocity a good solution .
>
> Thanks a lot.
> Regards
>

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Re: Register your company if you are using GWT

[Kanagaraj M]

working fine in chrome.

30+ companies added.

On Friday, 16 March 2012 11:50:57 UTC+5:30, Sarjith wrote:
>
>
> well, 
> http://gwtreferencelist.appspot.com/<http://gwtreferencelist.appspot.com/#> 
> doesnt 
> work well for me... using chrome/ubuntu
>
> --
> Sarjith
>
>
>
> On Fri, Mar 16, 2012 at 8:28 AM, Qrunk  wrote:
>
>> Hi Kanagraj,
>>
>> Thanks for sharing such important information on GWT group ... 
>>
>> Cheers :-)
>>
>>
>> On Thursday, 15 March 2012 20:21:24 UTC+5:30, Kanagaraj M wrote:
>>>
>>> Hi Joseph,
>>>
>>>  I am not the one who developed that application. I have got it in a 
>>> post.
>>>
>>> http://pgt.de/2012/03/15/**companies-using-google-web-**toolkit/<http://pgt.de/2012/03/15/companies-using-google-web-toolkit/>
>>>  
>>>
>>> Anyway i have requested owner of the site to look into this thread as 
>>> well.
>>>
>>> FYI, contact info for him  p...@pgt.de.
>>>
>>>
>>> On Thursday, 15 March 2012 19:57:02 UTC+5:30, Joseph Lust wrote:
>>>>
>>>> Kanagaraj,
>>>>
>>>> Great idea! I've been searching for a list like this for some time. 
>>>> This will certainly help make the case for GWT usage for other 
>>>> companies/projects.
>>>>
>>>> Could you add GAE to the hosting options, as well as Jetty and 
>>>> Weblogic? Also, my company is in the Health or Fitness industry, but 
>>>> neither are in your list.
>>>>
>>>> Sincerely,
>>>> Joe
>>>>
>>>  -- 
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>>
>
>

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Re: Register your company if you are using GWT

[Kanagaraj M]

Hi Joseph,

 I am not the one who developed that application. I have got it in a post.

http://pgt.de/2012/03/15/companies-using-google-web-toolkit/ 

Anyway i have requested owner of the site to look into this thread as well.

FYI, contact info for him  p...@pgt.de.


On Thursday, 15 March 2012 19:57:02 UTC+5:30, Joseph Lust wrote:
>
> Kanagaraj,
>
> Great idea! I've been searching for a list like this for some time. This 
> will certainly help make the case for GWT usage for other 
> companies/projects.
>
> Could you add GAE to the hosting options, as well as Jetty and Weblogic? 
> Also, my company is in the Health or Fitness industry, but neither are in 
> your list.
>
> Sincerely,
> Joe
>

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Register your company if you are using GWT

[Kanagaraj M]

If you are using GWT for your projects/products, please register it in the 
following link. so that we can see how many are using GWT.

http://gwtreferencelist.appspot.com/  

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Re: How to identify if any values in screen is changed by user

[Kanagaraj M]

This can done through Editor Framework.

Refer http://code.google.com/p/google-web-toolkit/wiki/Editors#Driver_types

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Re: Multiple RequestFactory servlets for a single GWT application

[Kanagaraj M]

I dont think, this is something to do with RequestFactoryServlet.
This has to be done in your web server not in any servlet.
For example,

 You can have a login page accessed through https, after the successful 
authentication you can redirect to another page(accessed through http, this 
is your GWT application as well).

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MVP understanding with Editor Framework

[Kanagaraj M]

Wikipedia definition for MVP reads

*Model–view–presenter (MVP) is a derivative of the 
model–view–controller
 (MVC) software pattern , 
also used mostly for building user 
interfaces
.*

*In MVP the presenter assumes the functionality of the "middle-man" (played 
by the controller in MVC). Additionally, the view is responsible for 
handling the UI events (like mouseDown, keyDown, etc), which used to be the 
controller's job. Eventually, the model becomes strictly a domain 
model
.*

*
*

Take a case of using Simple Bean Editor framework with MVP.

I ll have a PersonDAO(domain model) as well as PersonDTO (passed between 
client and server).

what does the *M *in MVP Means? Is it denoting only the Domain Model 
(Person DAO)?


I am really confused with Editor Framework, because its binding the model 
with the view. Are we not contracting the MVP?


Please correct me if my assumptions are wrong.


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Re: Custom UIBinder container - HOWTO??

[Kanagaraj M]

Its simple.
Make your SuperSnazzyContainer implements HasWidgets.

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Re: gwt virtual keyboard

[Kanagaraj M]

do this 
onclick of the respective buttons in the virtual keyboard

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Re: gwt virtual keyboard

[Kanagaraj M]

for other keys

NativeEvent event = Document.get().createKeyDownEvent(...);

DomEvent.fireNativeEvent(event, this);


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Re: gwt virtual keyboard

[Kanagaraj M]

yes.
but you could have added different images. right?
while adding the image, set the respective title
as imageA.setTitle("A"); imageB.setTitle("B") respectively

and use textBox.setText( textBox.getText()+sender.getTitle());

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Re: gwt virtual keyboard

[Kanagaraj M]

textBox.setText( textBox.getText()+sender.getTitle());

I dont understand why you are adding "1".


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Re: gwt virtual keyboard

[Kanagaraj M]

You are overriding the values in the text box,
you have to append with already existing value

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Re: gwt virtual keyboard

[Kanagaraj M]

write a click event listener.
Attach the listener to all the buttons.
receive the event, find which button is clicked and add the respective 
character to text box

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Re: gwt virtual keyboard

[Kanagaraj M]

There are 2 ways to do it.

1. Include the needed elements (keyboard, username, password, submit 
button) in a GWT Panel
  And add that panel to RootPanel
  Handle the button event

2. Put place holders in the login page
  As the sample project in eclipse does
 Handle the submit action in login page or form submit


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Re: GWT loding project take time

[Kanagaraj M]

I am running into the same problems.
We already have code splits.
And for the .gz compression, how can i enable in jetty server?

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Re: Help! com.google.gwt.user.client.rpc.StatusCodeException: 500 The call failed on the server; see server log for details

[Kanagaraj M]

The possible reason would be 
GWT is not able to serialize your objects.
Can you tell when you are getting this exception exactly? While making a 
call or on return of the call.
Check whether your objects are serializable or not.

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Re: GWT as reporting application

[Kanagaraj M]

you can use highcharts, it is nice.

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Re: how to use classes from another module

[Kanagaraj M]

You have to use fully qualified names
like *library.Reader*

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gwt.rpc file fomat

[Kanagaraj M]

i have xxx.gwt.rpc file generated in my application. The following are the 
contents

java.lang.Boolean, true, true, false, false, java.lang.Boolean/476441737, 
476441737
java.lang.Exception, true, false, true, false, 
java.lang.Exception/1920171873, 1920171873
java.lang.Integer, true, true, true, true, java.lang.Integer/3438268394, 
3438268394
java.lang.Number, true, false, true, false, java.lang.Number/300033342, 
300033342

The number is the hash, but what are those* true,true,false,false* mean?

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Re: How GWT.create() works with service?

[Kanagaraj M]

Is there a way i can see the content of Xxx_Proxy?

And what would be the equivalent JavaScript code for it? will that vary 
depends on my user agent?

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How GWT.create() works with service?

[Kanagaraj M]

I wanted to know how GWT.create behaves in Dev mode and Production mode.
I was trying to debug the code. The comment in the code says
/*
  * In Production Mode, the compiler directly replaces calls to this 
method
  * with a new Object() type expression of the correct rebound type.
   */

In Dev mode it is creating a proxy for the service as GreetingService_Proxy 
and loading it.
But in production what will the equivalent JavaScript code for it.

GWT.create is mainly used for deferred binding. Something like i have 
different implementations for FileUpload.
But i am not able to understand why we need different implementations for a 
service. Is this to create different JavaScript implementations for AJAX 
calls.
Another things is, whenever i have different implementation the 
module.gwt.xml file will tell implementation to pick. how this will work in 
case of service?

Can any one please explain about this?

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Re: source path problem in GWT RPC

[Kanagaraj M]

The problem is in your Rpctext.gwt.xml


  
  

You are supposed to put only 



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Re: Rpc Problem

[Kanagaraj M]

The problem could be in the servlet mapping part of your web.xml.
Check it out.

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Re: GWT Dev Mode - Ideal memory settings

[Kanagaraj M]

Thanks for your response.

I removed some unwanted maven dependencies, as my application is a set of 
maven modules. I removed the unused ones. Now i saved nearly 30 seconds of 
startup time.
But i have another problem, i have dependency with a framework module 
(which i dont have access). Which is having nearly a dependency of 50 jars.
How can i avoid them to included in my classpath?

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Re: eclipse - imported maven gwt project

[Kanagaraj M]

Which version of Eclipse are you using?

There are some changes in Eclipse 3.7 from earlier versions.

Check out this link.

http://wiki.magnolia-cms.com/display/DEV/Eclipse

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GWT Dev Mode - Ideal memory settings

[Kanagaraj M]

I am running a big GWT (Maven + Hibernate) application in dev mode 
(eclipse).
My memory settings are 
*-Xmx1024M -XX:MaxPermSize=384m*
But, the application is taking too much time to start. and i have to wait 
for long time to see the page. 
Any solutions for this?
Thanks in advance.

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Re: RPC Problems

[Kanagaraj M]

Its very difficult to answer without specific details.

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Re: Deploy GWT app in Tomcat as ROOT

[Kanagaraj M]

http://stackoverflow.com/questions/5553684/is-it-possible-to-programmatically-change-gwt-rpc-servlet-path

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Re: Deploy GWT app in Tomcat as ROOT

[Kanagaraj M]

That is what ServiceDefTarget is doing.
You need to have servlet mapping as following

 
 greetServlet
 /greet
 

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Re: Deploy GWT app in Tomcat as ROOT

[Kanagaraj M]

GreetingServiceAsync serviceAsync= 
(GreetingServiceAsync)GWT.create(GreetingService.class);
ServiceDefTarget endpoint = (ServiceDefTarget) serviceAsync;
String moduleRelativeURL = " http://localhost:8080/ 
"+ "greet";

endpoint.setServiceEntryPoint(moduleRelativeURL);

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Re: Deploy GWT app in Tomcat as ROOT

[Kanagaraj M]

The problem is in your @RemoteServiceRelativePath("greet")
The above always append(as prefix) your app name with 'greet', so it would 
expect a servlet mapping /mygwtapp/greet
Try using ServiceDefTarget 

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Re: GWT:How to generate pdf save/open window?

[Kanagaraj M]

generate PDF in server side and save it.
Write an RPC to get the file location.
In the client use HyperLink to download the file.

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Re: GWT Developers

[Kanagaraj M]

i am ready to part of it.

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