how to assign Debug ID to each node of CellTree

[Nilesh]

Dear All,
 I am creating  tree by  *extending *CellTree. i want to assing debug id to 
each node of tree. how can i do that?
 
 i am using my own CustomeTree model using TreeViewModel. 
 
thanks!
Nilesh.

 

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Re: GWT 2.5, -compileReport and closure compiler

[Johannes Barop]

http://code.google.com/p/google-web-toolkit/issues/detail?id=7475

Am 02.07.2012 um 16:25 schrieb Stefano Ciccarelli:

> I've noticed that if I enable the closure compiler the -compileReport flag is 
> totaly ignored and the soycReport in the extra folder is missing.
> 
> Someone has a workaround?
> 
> -- 
> Nel mondo esistono 10 categorie di persone, quelle che capiscono il binario e 
> quelle che non lo capiscono.
> 
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Re: Need a tool to find out client side coverage .

[Joseph Lust]

Have you had luck using the patched Emma version with the more recent 
releases of Emma? They no longer work for me in Indigo. Perhaps I've done 
it wrong?
>
>
I opened it as a 
ticketto
 have the GWT patch merged with the Emma trunk, but they responded with 
*won't fix*. I looked at the Google patch, but it does not seem relevant to 
the current codebase. I was hoping the Google folks could update this. 
Thanks.

Sincerely,
Joseph

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Re: preview in case of iframe

[bhomass]

thanks, I figured as much. The two documents are independent DOM structures 
and while the preview is "global", it is only global within one DOM 
structure.

I got what I want w/o preview, using *addDomHandler. 

**as long as you have the handle to components in both frames, this works 
quite fine.*
*
*

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Re: Any summary on The History and Future of Google Web Toolkit available?

[Celinio]

https://developers.google.com/events/io/sessions/gooio2012/218/   is this
talk finally available somewhere ? i'm looking for the video !

On Sat, Jun 30, 2012 at 7:23 AM, Ali Jalal  wrote:

> Another news:
>
>
> http://podcasts.infoworld.com/d/application-development/google-hands-over-control-of-google-web-toolkit-steering-committee-196753?_kip_ipx=393161888-1341015596&source=rss_infoworld_top_stories_&utm_source=twitterfeed&utm_medium=twitter
>
>
> On Sat, Jun 30, 2012 at 3:11 AM, Thomas Broyer  wrote:
>
>>
>>
>> On Friday, June 29, 2012 10:14:14 PM UTC+2, Clint wrote:
>>
>>> I was hoping to see the Google IO session streamed: The History and
>>> Future of Google Web Toolkit, but apparently it wasn't available.
>>>
>>> Any summaries folks care to post from that session? Feel free to post a
>>> link to the video once its available if you see it.
>>>
>>
>> Ray just posted his slides:
>> https://docs.google.com/presentation/d/1pC9WK80-fzIs2iMQOO3Jsvfmqv2erI9xucuF3lHOE7Q/edit
>>
>>
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Re: Firefox 13 DevMode Plugin

[Riley]

Our problems disappeared when we expanded the permgen allocation with  
-XX:MaxPermSize=2048m 
.  You probably need way less space than that.  Maybe the updated plugin 
updates classes so they need to be re-added more often?

On Wednesday, June 27, 2012 1:59:01 PM UTC-5, Riley wrote:
>
> Yes, we are experiencing memory problems with Mac OS 10.7, FF13, and this 
> new plugin
>
> On Friday, June 15, 2012 5:06:40 AM UTC-5, Bas wrote:
>>
>> Today, I downgraded to Firefox 11. The devmode plugin of firefox 13 (Mac 
>> OS 10.6.8) seems to have a memoryleak. Are more people experiencing memory 
>> problems?
>>
>>
>>

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Re: preview in case of iframe

[gpike]

  The document inside you iFrame is a completely separate document and can 
be from a different domain as well so won't get any events just like you 
don't get events from other browser tabs. However you could communicate 
across the boundary by defining your own api's. What I mean is you can add 
Javascript methods to the containing document and call them from the child 
using top.. 

  What I've done in the past is create 2 entry points (and 
modules), essentially two GWT apps,  one for the parent window and the 
other for the child window. Using JSNI expose a well know method name on 
the parent that can be called. It can be a pain but we had an app that 
could be hosted in another app using a iFrame and could have hot key 
support for both passing key events to the parent. By the way this only 
works when both apps are from the same domain.

Good Luck,
 
Gordon Pike

On Sunday, July 1, 2012 1:45:07 AM UTC-6, bhomass wrote:
>
> I have been struggling with this for the whole day and can't crack the 
> nut. 
>
> I know how things work when you call 
> Event.addNativePreviewHandler(handler) to trigger event preview. The 
> preview is meant to be a global concept so that anything events 
> happening else where would get previewed. However, if an iframe is 
> added into the picture, the previewer is apparently not so global. 
> things happening inside the iframe does not trigger DOM.preview(evt), 
> and therefore does not get previewed. 
>
> I suppose this makes sense, that the iframe has an independent DOM 
> structure from the parent. Does any one know of a way to bridge the 
> two so that the two parts together still behaves truly in a GLOBAL 
> way?

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Re: How to convert an object that contains List to json using AutoBean

[Joseph Lust]

Code, error? We need more than that to help you. Did you follow the 
AutoBean tutorial
?

Sincerely,
Joseph

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Re: Method findById requestFactory

[Thomas Broyer]

On Monday, July 2, 2012 5:35:35 PM UTC+2, bond wrote:
>
> Hello everybody,
> I'm a question: I'm using request factory with mvp pattern. I have a 
> CellTable and when dataProvider is inovoked, I see that on server is called 
> the count() and getRow() method but is also called the method findById() 
> for every record that previus method fetched.
>
> Can Anyone explain me the reason why this happen?
>

See http://code.google.com/p/google-web-toolkit/issues/detail?id=6721
http://stackoverflow.com/questions/6083346/requestfactory-and-findentity-method-in-gwt
http://stackoverflow.com/questions/7669502/how-to-prevent-redundant-persistence-calls-from-gwt-requestfactory-context
and 
http://code.google.com/p/google-web-toolkit/wiki/RequestFactoryMovingParts#Flow
 

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Help debug GWT Designer in eclipse

[Carlos Silva]

Hi,

I'm using Gentoo and I have eclipse version 4.2 along with swt 4.2 and
libwebkit-gtk installed. Everything looks good with respect to system
libraries and whatnot. Still, eclipse refuses to load up the designer
saying that it needs xulrunner version bla bla bla. On version 3.7 I had an
option to enable WebKit as renderer but now I don't.

I'm looking for help to diagnose the problem and try to understand if it's
a system configuration (or libraries installed) problem or some kind of
bug/"feature" of GWT Designer for Eclipse 4.2.

Thanks in advance,
Carlos Silva

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Re: Validation in 2.5 RC1

[Andrés Testi]

Is it planned to add special support for EntityProxy to reflect entity 
validations on their respective proxies? It would even be useful to set 
annotation values on HTML5 form validation attributes, like min, max, 
pattern, placecholder etc.

- Andrés


El lunes, 2 de julio de 2012 12:02:19 UTC-3, Thomas Broyer escribió:
>
>
> On Monday, July 2, 2012 8:47:50 AM UTC+2, Cengiz wrote:
>>
>> Does anyone know what happened to 
>> com.google.gwt.validation.client.Validation in 2.5?  What are we 
>> supposed to use in its place?
>
>
> Nothing special, its still there. The module is called 
> com.google.gwt.validation.Validation though (without the "client" part) 
>

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Re: GWT 2.5, -compileReport and closure compiler

[Stefano Ciccarelli]

Thanks!

And about the -XfragmentMerge I was jumping! :D


2012/7/2 Jens 

> I've noticed that if I enable the closure compiler the -compileReport flag
>> is totaly ignored and the soycReport in the extra folder is missing.
>>
>> Someone has a workaround?
>>
>
> Not yet, but you can compile once without closure compiler to see whats
> going on during compile and then compile it again with closure compiler and
> check the generated files to see size differences:
>
> - war/.html
> - war//deferredjs/ name>/.cache.js (one of these files is the left over
> fragment..it should be the one with the highest number that does not match
> any split point number)
>
> Also when you use -XfragmentMerge for the new code split algorithm it
> seems like the compile report shows 0 bytes for left over fragment which is
> clearly wrong (at least in our case here). So don't jump up and be happy if
> you see 0 bytes for left over ;-)
>
> -- J.
>
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Nel mondo esistono 10 categorie di persone, quelle che capiscono il binario
e quelle che non lo capiscono.

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Re: GWT 2.5, -compileReport and closure compiler

[Jens]

>
> I've noticed that if I enable the closure compiler the -compileReport flag 
> is totaly ignored and the soycReport in the extra folder is missing.
>
> Someone has a workaround?
>

Not yet, but you can compile once without closure compiler to see whats 
going on during compile and then compile it again with closure compiler and 
check the generated files to see size differences: 

- war/.html
- war//deferredjs//.cache.js (one of these files is the left over 
fragment..it should be the one with the highest number that does not match 
any split point number)

Also when you use -XfragmentMerge for the new code split algorithm it seems 
like the compile report shows 0 bytes for left over fragment which is 
clearly wrong (at least in our case here). So don't jump up and be happy if 
you see 0 bytes for left over ;-)

-- J.

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Method findById requestFactory

[bond]

Hello everybody,
I'm a question: I'm using request factory with mvp pattern. I have a 
CellTable and when dataProvider is inovoked, I see that on server is called 
the count() and getRow() method but is also called the method findById() 
for every record that previus method fetched.

Can Anyone explain me the reason why this happen?

Thanks very much

Best regards

Daniele

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Re: Need a tool to find out client side coverage .

[Thomas Broyer]

On Monday, July 2, 2012 3:06:49 PM UTC+2, Guru wrote:
>
> I too have the same requirement as mentioned in this post. I am able to 
> generate the server side coverage report after instrumenting the classes 
> and running the automated tests.
> Any pointers on how to get the same report for client side code ? 
>

I suppose you can use EMMA when running in DevMode: 
https://developers.google.com/web-toolkit/doc/latest/DevGuideTestingCoverage
(it at least works for GWTTestCases)

There's also some ongoing work to (IIUC) add coverage in prod 
mode: 
https://groups.google.com/d/topic/google-web-toolkit-contributors/98YysnK4hWA/discussion

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Re: Validation in 2.5 RC1

[Thomas Broyer]

On Monday, July 2, 2012 8:47:50 AM UTC+2, Cengiz wrote:
>
> Does anyone know what happened to 
> com.google.gwt.validation.client.Validation in 2.5?  What are we supposed 
> to use in its place?


Nothing special, its still there. The module is called 
com.google.gwt.validation.Validation though (without the "client" part) 

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Using gwt to change java files

[mehdi benchoufi]

I am really new to gwt but I have already posted a question and I
don't really understand.

I am working on a project that had already been developed. This
project uses get and the javascript comes from java files. I wanted to
make some changes on one of these java files. SO I was told I needed
to download get. This is what I did.

But my php and html files are processed with MAMP.

So now, how do I change the java files ? Where do I put my php and
html files to run it on my local server MAMP ? Am I supposed to take
the only java files, opening a "WebApp" (as indicated in the get doc),
runn it (with an ant build command ?), retrieving some files and put
those in my MAMP workspace ?

(I have read the gwt, but I didn't really understand it. I apologize
by advance if my question seems too simple)

Thanks, Mehdi

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Using gwt to change java files

[mehdi benchoufi]

Hi,


I am really new to gwt but I have already posted a question and I don't 
really understand.

I am working on a project that had already been developed. This project 
uses get and the javascript comes from java files. I wanted to make some 
changes on one of these java files. SO I was told I needed to download get. 
This is what I did.

But my php and html files are processed with MAMP.

So now, how do I change the java files ? Where do I put my php and html 
files to run it on my local server MAMP ? Am I supposed to take the only 
java files, opening a "WebApp" (as indicated in the get doc), runn it (with 
an ant build command ?), retrieving some files and put those in my MAMP 
workspace ?

(I have read the gwt, but I didn't really understand it. I apologize by 
advance if my question seems too simple)

Thanks, 

Newben

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How to convert an object that contains List to json using AutoBean

[Kelvin Kao]

Does anyone have successfully convert List of objects to JSON by using 
AutoBean?  it seems it's giving me error like null cannot be in getter 
method.. anyone has an simple example to share?  thx.

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Re: Need a tool to find out client side coverage .

[Guru]

I too have the same requirement as mentioned in this post. I am able to 
generate the server side coverage report after instrumenting the classes 
and running the automated tests.
Any pointers on how to get the same report for client side code ? 



>
>
>
>

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Validation in 2.5 RC1

[Cengiz]

Does anyone know what happened to 
com.google.gwt.validation.client.Validation in 2.5?  What are we supposed 
to use in its place?

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Storing/retrieving shared objects in a database

[Peter]

Hi guys,

Basically, as the title says, I would like to store a shared object in a 
MySQL database and retrieve it at a later time. So I wrote a simple shared 
class Test:

public class Test implements Serializable {
private int statusId;
public Test() {
}
public Test(int statusId) {
this.statusId = statusId;
}
}

Now I have an rpc that stores an instance of the Test class into a 
single-column table (the MySQL type is BLOB). This is the rpc 
implementation:

public void storeTest(Test test) {
try {
Class.forName("com.mysql.jdbc.Driver");
Connection conn = 
DriverManager.getConnection(MySQLConnection.DB_URL, 
MySQLConnection.DB_USER, MySQLConnection.DB_PWD);
PreparedStatement statement = conn.prepareStatement("insert 
into test_table (test_object) values (?)");
statement.setObject(1, test);
statement.executeUpdate();
} catch (SQLException e) {
} catch (ClassNotFoundException e) {
}
}

For retrieval, I have another rpc as follows (server side code again):

public Test getTest() {
Test t = new Test();
try {
Class.forName("com.mysql.jdbc.Driver");
Connection conn = 
DriverManager.getConnection(MySQLConnection.DB_URL, 
MySQLConnection.DB_USER, MySQLConnection.DB_PWD);
PreparedStatement statement = conn.prepareStatement("select 
test_object from test_table");
ResultSet resultSet = statement.executeQuery();
resultSet.next();
t = (Test) resultSet.getObject(1);
} catch (SQLException e) {
} catch (ClassNotFoundException e) {
}
return t;
}

The storeTest(Test test) method runs fine (at least I think it does) - no 
errors are returned and the record is inserted into the MySQL table. 
However, the method getTest() fails during the conversion *t = (Test) 
resultSet.getObject(1)*. Now I've done some digging and apparently the 
object returned by resultSet.getObject(1) is an instance of a class called *
[B*, which seems to be a JNI byte array which can't be converted into Test. 

It is unclear to me why this happens. I would expect that the BLOB column 
contains all the necessary info to rebuild the Test object. I'm pretty sure 
I'm missing something fundamental here, but can't quite figure it out.

Any help is greatly appreciated,

Thanks

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GWT 2.5, -compileReport and closure compiler

[Stefano Ciccarelli]

I've noticed that if I enable the closure compiler the -compileReport flag
is totaly ignored and the soycReport in the extra folder is missing.

Someone has a workaround?

-- 
Nel mondo esistono 10 categorie di persone, quelle che capiscono il binario
e quelle che non lo capiscono.

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Re: Strategy for saving data project

[Thomas Broyer]

On Monday, July 2, 2012 9:31:56 AM UTC+2, Thomas Lefort wrote:
>
> Hi,
>
> I was relying on mayStop to save my user's project when they leave the 
> activity but it seems to work in some cases only, ie when navigating from 
> one activity to another but not when leaving the application or closing the 
> browser... I don't know if it is normal? may be there is "not enough time" 
> to send the last message with all the project's data?
>

That's basically what happens yes.
See http://code.google.com/p/google-web-toolkit/issues/detail?id=4898 and 
http://www.whatwg.org/specs/web-apps/current-work/multipage/history.html#navigating-across-documents
 among 
others.
 

> If it is then I need a whole new strategy to make sure data is saved when 
> the user leaves. I would be interested in knowing of any suggestion to 
> solve the issue.
> I have planned to save on every change made, but it is quite heavy as 
> there are many frequent updates possible (just moving the map would trigger 
> a save). An optimisation to this would be a combination of a flag for 
> tracking changes and a timer to make periodic saves, eg every minute or so, 
> when the project has changed.
> Anyway if anyone has recommendations on how to do this I would be very 
> happy hearing them.
>

See http://code.google.com/p/google-web-toolkit/issues/detail?id=6726#c5 
Basically: onbeforeunload (which calls mayStop of the activities) exists so 
that you can tell the user there are unsaved changes and he can cancel the 
navigation to save them before navigating away again.
With a PlaceChangeRequestEvent you could easily tell an onbeforeunload from 
an internal navigation (the target place is 'null'), but that isn't exposed 
to activities (mayStop). I suppose you could workaround this using a 
PlaceChangeRequestEvent.Handler (or Window.ClosingHandler) and shared state 
(considering mayStop methods are called first, they would store a flag in 
the shared state, and the PlaceChangeRequestEvent.Handler would setWarning 
if the target –place is 'null' –resp. the Window.ClosingHandler would 
setMessage– when the shared state indicates unsaved changes; but of course, 
you should also handle the case where the mayStop methods are called 
*last*); and you'd save data in your activities' onStop(), which are not 
called onbeforeunload.

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Re: How to use Super Dev Mode

[Paul Robinson]

On 23/06/12 12:30, Jens wrote:

I think currently the codeserver only serves the compiled JavaScript of your 
app. So you still have to use a server that serves your server side code.

No, it serves source too. As Brian said, use -src arguments to the code server.


3.) copy your apps host html page and modify it to point to the bootstrap file provided by the code server. So 
instead of 

Strategy for saving data project

[Thomas Lefort]

Hi,

I was relying on mayStop to save my user's project when they leave the 
activity but it seems to work in some cases only, ie when navigating from 
one activity to another but not when leaving the application or closing the 
browser... I don't know if it is normal? may be there is "not enough time" 
to send the last message with all the project's data?

If it is then I need a whole new strategy to make sure data is saved when 
the user leaves. I would be interested in knowing of any suggestion to 
solve the issue.
I have planned to save on every change made, but it is quite heavy as there 
are many frequent updates possible (just moving the map would trigger a 
save). An optimisation to this would be a combination of a flag for 
tracking changes and a timer to make periodic saves, eg every minute or so, 
when the project has changed.
Anyway if anyone has recommendations on how to do this I would be very 
happy hearing them.

Thanks,

Thomas

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Re: issue with rpc when behind a reverse proxy

[Thomas Lefort]

Yes, thanks Jens. In the end I did what you suggested and overrode the 
doGetSerializationPolicy 
to make sure it pointed to the right path. It does work fine indeed.
 

On Wednesday, 27 June 2012 20:43:07 UTC+2, Jens wrote:
>
> Same answer: 
> https://groups.google.com/forum/?fromgroups#!topic/google-web-toolkit/f9FFjvQd1xg
>
> -- J.
>

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