JMockit compatible with GWTTestCase?

2012-12-28 Thread Jens 
Its not compatible. Why do you need to mock things in a GWTTestCase? You 
normally do it in an ordinary JUnit Test to mock out classes that use 
GWT.create() or JSNI.

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Re: How to know the css used by the datagrid header?

2012-12-28 Thread Mike Dee 
The style name is probably obfuscated.  The default styles for CellTable 
are not in the standard.css with other GWT styles.  You can find them in 
com.google.gwt.user.cellview.client.CellTable.css.  If you want to change 
them, make a copy, change the styles, and pass it to your CellTable 
constructor.

On Thursday, December 27, 2012 12:20:58 AM UTC-8, tong123123 wrote:
>
> I use F12 in IE9 or FF13 but still cannot see the css used by the datagrid 
> header, I want to create a label with the css property (like the height, 
> padding...) same as datagrid header, how to accomplish it?
>

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Re: how to create columns with common header in data grid.

2012-12-28 Thread Mike Dee 
I wanted something similar but did it differently. I created a CellTable 
with just a header row above another CellTable.  The top CellTable had an 
extra header and nothing else.

On Thursday, December 27, 2012 3:14:27 AM UTC-8, shray rawat wrote:
>
>
> 
>
>
> ===
> see the attached files for this question.
> I AM HAVING A,B,C AS MAIN HEADERS AND D,E,F,G AS THE SUB HEADERS UNDER C.
>
> how can i create these columns in data grid
>

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Re: Vertical align elements in FlowPanel?

2012-12-28 Thread Mike Dee 
You may be able to do it with CSS, but FlowPanels are not meant for 
controlling layout as you desire (centering).  Can you try one of the other 
Panels, like VerticalPanel or LayoutPanel?

On Friday, December 28, 2012 1:40:01 AM UTC-8, membersound wrote:
>
> Hi,
>
> how can I vertically center elements within a FlowPanel? I have several 
> FocusPanels inside a FlowPanel, which means they are stacked on each other. 
> One of the focuspanels has an image, which should be centered both 
> horizontally and vertically within that focuspanel. But no matter what I 
> tried, it is always placed at the top of this panel.
>
> 
>   
> 
>   
>
>   
> ...
> 
>
> Can anyone help?
>

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Re: GWT Crawlable (SEO)

2012-12-28 Thread Jens 
The servlet filter is only for the crawler and the crawler will not 
navigate your app using PlaceChangeEvents. The crawler just loads an URL 
that will hit your server and your servlet filter.

If the bot finds a hyperlink like "#!myPlace" then it calls your server 
using "http://domain.com/?_escaped_fragment_=myPlace"; and thus hitting your 
server. If you have two servers (a dedicated web server for static content 
+ application server) then you have to proxy the request to your 
application server as soon as the URL contains the _escaped_fragment_ query 
parameter, so that the server can generate a HTML snapshot on the fly or 
you have to pre-generate all possible snapshots and serve them directly 
from the dedicated web server (and update them regularly using a cron job).

Basically your server needs to follow the spec described at:

https://developers.google.com/webmasters/ajax-crawling/docs/specification

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JMockit compatible with GWTTestCase?

2012-12-28 Thread James Scott 
Hello all-

I'm trying to use JMockit in a GWTTestCase (JUnit 3, for what it's worth) 
and I'm not having any luck. I have jmockit.jar on my classpath for the 
test, but when I run it, I get this error message:

[ERROR] Line 50: No source code is available for type 
mockit.NonStrictExpectations; did you forget to inherit a required module?

Line 50 is where I have my NonStrictExpectations declared in my test case. 
Right now, it's empty.

I tried TRACE-level logging of the unit test run in Eclipse, and I get 
similar "no source code available" errors for other classes in the 
application GWT client code, but those are not under test and not in the 
same module as the code under test, so I don't think those are interfering.

My classpath includes my Eclipse output dir, GWT jars, jmockit.jar and 
junit.jar. Is there something else that should be in the classpath?

Thanks,

JLS

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Re: Protocol Buffers for GWT: Issue 2649

2012-12-28 Thread Thomas Broyer 


On Friday, December 28, 2012 12:33:19 AM UTC+1, Goktug Gokdogan wrote:
>
>
>
>
> On Fri, Dec 21, 2012 at 8:20 PM, Thomas Broyer 
> > wrote:
>
>>
>>
>> On Saturday, December 22, 2012 2:50:00 AM UTC+1, Goktug Gokdogan wrote:
>>>
>>> GWT's built-in library space is already bloated and getting harder to 
>>> maintain. Inside GWT, we need to do less but do better.
>>> And good thing is, a lot of stuff doesn't need to be baked in; like 
>>> the protocol buffers; it is a valuable feature but I personally don't see 
>>> GWT having it as a first class citizen; at least in the near term.
>>> On the other hand we can definitely help out on removing any blockers 
>>> and support anybody who would like to implement it as a 3rd party library.
>>>
>>
>> +1
>>
>> Wondering what Google is doing though ;-)
>> Are you somehow generating, say, RequestFactory ValueProxy-s from .proto 
>> files? It looks like what BobV was planning.
>>  
>>
>
> There is compiler plugin that generates lightweight GWT emulations of the 
> messages based on JavaScript overlays.
> On top of that, there is a custom RPC mechanism that mimics GWT RPC. Wire 
> format is like JSON-RPC where 'params' is js array encoded protobuf.
>
> I think there has been multiple solutions but I guess this one got wider 
> acceptance. Unfortunately, nobody actively working on it and not ready to 
> open-source.
>
>
Thanks.
Looks a bit like what I did years ago to call "REST-alike web services", 
except I coded everything by hand.
Also looks a bit like gwt-json-rpc used by Gerrit, but interfaces and JSOs 
are hand-coded too.

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Re: Cannot compile gtw maven plugin example from mojo.codehaus.org

2012-12-28 Thread Thomas Broyer 
See https://code.google.com/p/google-web-toolkit/wiki/WorkingWithMaven
Don't use the gwt-maven-plugin archetype as a starting point.

On Thursday, December 27, 2012 6:59:04 PM UTC+1, Anatoly Chervyakov wrote:
>
> Hello folks
>
> I am interested in learning GWT and I'd like to use Maven as a build tool 
> so I navigated to 
> http://mojo.codehaus.org/gwt-maven-plugin/user-guide/archetype.html and 
> created a test project.
>
> I am using OSX 10.6.8, Eclipse 3.6.2, GWT Eclipse plugin 2.5.0 and here is 
> my pom.xml
> 
> http://maven.apache.org/POM/4.0.0"; xmlns:xsi="
> http://www.w3.org/2001/XMLSchema-instance";
> xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
> http://maven.apache.org/maven-v4_0_0.xsd";>
>
> 
> 4.0.0
> se.anatoly.test
> test
> war
> 1.0-SNAPSHOT
> GWT Maven Archetype
>
> 
> 
> 2.5.0
> 
> 
> ${project.build.directory}/${project.build.finalName}
> UTF-8
> 
>
> 
> 
> com.google.gwt
> gwt-servlet
> ${gwtVersion}
> runtime
> 
> 
> com.google.gwt
> gwt-user
> ${gwtVersion}
> provided
> 
> 
> junit
> junit
> 4.7
> test
> 
> 
> javax.validation
> validation-api
> 1.0.0.GA
> test
> 
> 
> javax.validation
> validation-api
> 1.0.0.GA
> sources
> test
> 
> 
>
> 
> 
> 
> ${webappDirectory}/WEB-INF/classes
>
> 
>
> 
> 
> org.codehaus.mojo
> gwt-maven-plugin
> 2.5.0
> 
> 
> 
> compile
> test
> i18n
> generateAsync
> 
> 
> 
> 
> 
> test.html
> ${webappDirectory}
> 
> se.anatoly.test.client.Messages
> 
> 
>
> 
> 
> org.apache.maven.plugins
> maven-war-plugin
> 2.1.1
> 
> 
> compile
> 
> exploded
> 
> 
> 
> 
> ${webappDirectory}
> 
> 
> 
> org.apache.maven.plugins
> maven-compiler-plugin
> 2.3.2
> 
> 1.6
> 1.6
> 
> 
> 
> 
>
> 
>
> The problem:
> when I execute "mvn package" the printout ends with "BUILD SUCCESS" but it 
> also contains this weird line (Ignored 80 units with compilation errors in 
> first pass.):
> 
> [INFO] --- gwt-maven-plugin:2.5.0:compile (default) @ test ---
> [INFO] auto discovered modules [se.anatoly.test.test]
> [INFO] Compiling module se.anatoly.test.test
> [INFO]Validating units:
> [INFO]   Ignored 80 units with compilation errors in first pass.
> [INFO] Compile with -strict or with -logLevel set to TRACE or DEBUG to see 
> all errors.
> 
>
> I tried "mvn package -Dgwt.logLevel=TRACE" and then I see a thousand of 
> lines like below, which I don't understand what it is (what's this 
> validation? and why all these errors?):
> 
> [INFO]Validating units:
> [INFO]   Errors in 'com/google/gwt/editor/client/EditorDriver.java'
> [INFO]  Line 20: The import javax.validation.ConstraintViolation 
> cannot be resolved
> [INFO]  Line 97: ConstraintViolation cannot be resolved to a type
> [INFO]   Errors in 
> 'com/google/gwt/editor/client/impl/AbstractSimpleBeanEditorDriver.java'
> [INFO]  Line 28: Name clash: The method 
> setConstraintViolations(Iterable>) of type 
> BaseEditorDriver has the same erasure as setConstraint
> 
>
> Could anybody explain to me what is going on and how I get rid of these 
> errors?
>
> Best regards,
> Anatoly
>
>
>
>

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Re: How to rewrite ClientBundle images to static uibinder images?

2012-12-28 Thread Thomas Broyer 


On Thursday, December 27, 2012 2:52:46 PM UTC+1, membersound wrote:
>
> I know how to use images in general with uibinder, like:
>
> .ui.xml:
> 
>
> .java:
> public interface Resources extends ClientBundle {
> @Source("image.png")
> @ImageOptions(repeatStyle = RepeatStyle.None)
> ImageResource image();
> }
>
> But in case of static images, how can I use the same image in the same 
> way, but without having to write any java code? Just using uibinder?
>

Each UiBinder template defines an implicit ClientBundle. You can declare a 
CssResource using , a DataResource with  and an 
ImageResource with :

 (there's also 
a flipRtl="true" attribute; and just like the @Source is optional, src="" 
is optional too)
 

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Re: browser specific file names after GWT compilation ?

2012-12-28 Thread Thomas Broyer 


On Wednesday, December 26, 2012 6:21:09 PM UTC+1, ajay...@gmail.com wrote:
>
> GWT compiles java code in to html and java scripts. And it creates some 
> files like B9409F85E92A0CC3FFD0D41AD0307BE5.cache.html ( 
> .cache.html).
> Is there a way to have these file names as fixed file names like 
> ie9.cache.html or safari.cache.html ?
>

Using a custom linker, yes. But that naming is a feature, on-purpose: 
https://developers.google.com/web-toolkit/doc/latest/DevGuideCompilingAndDebugging#perfect_caching

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RFED flushed context reaches server without nested entity changes

2012-12-28 Thread Avanish Raju 
Hi GWT Gurus,

I've been trying to get GWT RequestFactoryEditorDriver working for my
entities with relationship - A contains a List.

My editors display my data just fine now, and changes to a.name persist
perfectly as well. Also, when I change the value of a "b.name" and do a
driver.flush(), on inspecting the returned "context" in Eclipse, my change
to "b.name" is present. However, when I context.fire() my "saveAndReturn"
method, the server-side object doesn't contain my "b.name" change. How
could this be happening?

(I also posted my question on StackOverflow with detailed code snippets:
http://stackoverflow.com/questions/14041275/request-factory-gwt-editor-change-isnt-persisting-related-jdo-entities
)

Please do help!

(I promise to write up a summary of my issues and solutions on my blog and
link it back here once I've figured this out and can finally save my data!)

Regards,
Avanish

-- 
"Life is what you make of it"
Y. Avanish Raju,

BTech, Computer Science and Engineering & Biotechnology,
ICFAI University, Dehradun

-BEGIN GEEK CODE BLOCK-
Version: 3.12
GCS/S/MU d- s:- a- C+++ UL+++ P+ L+++> E-->--- W++>+++ N- o? K- w+>w++
!O !M !V
PS++@ PE++ Y+@ PGP- t 5? X+ R tv b+++ DI+@ D+ G e>++ h* r-- y
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Re: How to add MouseHandler in constructor? (NPE)

2012-12-28 Thread Jens 
In your constructor you have to do it after 

initWidget(uiBinder.createAndBindUi(this));

All your @UiField variables are filled by the call to 
uiBinder.createAndBindUi(this).

Also if you use @UiField(provided = true) then you have to instantiate the 
field yourself before uiBinder.createAndBindUi(this) is called.

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Attach multiple MouseHandlers to the same component via UiBinder?

2012-12-28 Thread membersound 
Is there something to attach multiple Handlers to the same component? 
Similar to the following (which is not valid of course, but you get it):

@UiHandler("myComponent")
void onMouseDown(MouseDownEvent ev | MouseOutEvent ev) {
//...
}

Or do I necessarily have to create 2 different handler methods?

@UiHandler("myComponent")
void onMouseDown(MouseDownEvent ev) {
//...
}

@UiHandler("myComponent")
void onMouseDown(MouseOutEvent ev) {
//...
}

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Re: DataGrid / CellTable: ValueChangeEvent from CheckBoxCell in a custom built header

2012-12-28 Thread Alex opn 
CheckBoxColumn should be  CheckboxHeader! Sorry for the confusion!
Am Freitag, 28. Dezember 2012 14:18:00 UTC+1 schrieb Alex opn:
>
> Hello folks,
>
> I've encountered a problem with a 
> CheckBoxCellin
>  a custom built header for a 
> DataGrid
> .
>
> What I've done is adapting the 
> CwCustomDataGrid-exampleto
>  my needs and adding a "Check all"-column in the header. I'm using the 
> CheckboxColumn implementation from the accepted answer from here: ->> 
> StackOverflow
>  
>
> This is how I add the valueChangeHandler to the column in the constructor 
> of my CustomHeaderBuilder:
>
>> checkboxHeader.addValueChangeHandler(new ValueChangeHandler() { 
>> // TODO: Fix, does not work :-/
>> @Override
>> public void onValueChange(ValueChangeEvent 
>> event) {
>> final boolean selected = event.getValue();
>> ...
>> }
>> });
>>
>
> I've also tried several other places to register the handler before and 
> after the construction of the CustomHeaderBuilder without any effect.
>
> The strange thing is that the CheckBoxColumn works flawlessly when not 
> using a custom built header. But the problem is that the column is not 
> propagating any events when used in combination with an 
> AbstractHeaderOrFooterBuilder
> .
>
> I debugged a lot already and can confirm that the handler gets registered 
> correctly and the column-instance used is definitely the same all the time.
>
> Anyone has an idea what could prevent events from Cells / Columns in 
> custom built headers / footers?
>
> Thanks
> Alex
>

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How to add MouseHandler in constructor? (NPE)

2012-12-28 Thread membersound 
I know I can just bind any ui component to any events by using @UiHandler 
like this:



@UiField
FocusPanel panel;

@UiHandler("panel")
void handleClick(MouseDownEvent event) {
//...
}

So far so good, but how can I "manually" add a mouse handler within the 
class constructor:
panel.addMouseDownHandler(new MouseDownHandler() { //NPE
@Override
public void onMouseDown(MouseDownEvent event) {
Window.alert("mouse down");
}
});

If I write this in the constructor of the java class, I'm getting 
NullPointerException 
at this stage where the handler is added to the panel.
What am I missing here?

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How to the same MouseHandler to multiple components?

2012-12-28 Thread membersound 
I have several same components that at this stage just perform the same 
operation.





@UiField
FocusPanel panel, panel2, panel3;

@UiHandler("panel")
void handleClick(MouseDownEvent event) {
//...
}
@UiHandler("panel2")
void handleClick2(MouseDownEvent event) {
//...
}
@UiHandler("panel3")
void handleClick3(MouseDownEvent event) {
//...
}


So far so good, but how can I "manually" add a mouse handler inside a loop 
like within the class constructor:
for (FocusPanel panel : panels) {
panel.addMouseDownHandler(new MouseDownHandler() {
@Override
public void onMouseDown(MouseDownEvent event) {
Window.alert("mouse down");
}
});
}

If I write this in the constructor of the java class, I'm getting 
NullPointerException 
at this stage where the handler is added to the panel.


Is there any way that I can add these kind of mouseHandlers in the 
constructor? Or can elements bound via @UiField only be handlers attached 
via @UiHandler??

Alternativly, do you know of any workaround of adding the same MouseHandler to 
a bunch of objects as I'm trying in this example?

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DataGrid / CellTable: ValueChangeEvent from CheckBoxCell in a custom built header

2012-12-28 Thread Alex opn 
Hello folks,

I've encountered a problem with a 
CheckBoxCellin
 a custom built header for a 
DataGrid
.

What I've done is adapting the 
CwCustomDataGrid-exampleto
 my needs and adding a "Check all"-column in the header. I'm using the 
CheckboxColumn implementation from the accepted answer from here: ->> 
StackOverflow
 

This is how I add the valueChangeHandler to the column in the constructor 
of my CustomHeaderBuilder:

> checkboxHeader.addValueChangeHandler(new ValueChangeHandler() { 
> // TODO: Fix, does not work :-/
> @Override
> public void onValueChange(ValueChangeEvent event) 
> {
> final boolean selected = event.getValue();
> ...
> }
> });
>

I've also tried several other places to register the handler before and 
after the construction of the CustomHeaderBuilder without any effect.

The strange thing is that the CheckBoxColumn works flawlessly when not 
using a custom built header. But the problem is that the column is not 
propagating any events when used in combination with an 
AbstractHeaderOrFooterBuilder
.

I debugged a lot already and can confirm that the handler gets registered 
correctly and the column-instance used is definitely the same all the time.

Anyone has an idea what could prevent events from Cells / Columns in custom 
built headers / footers?

Thanks
Alex

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CSS Styling of FocusPanel?

2012-12-28 Thread membersound 
>From eg TextBox I know that it is possible to alter the css style of an 
element by setting the dependentName like this:

textBox.setStyleDependentName("readonly", true);

.gwt-TextBox-readonly {
   background-color: lightgrey;
   border: none;
 }



How can I do the same with FocusPanel?

I tried .gwt-FocusPanel-mystyle but it's not changing anything. Does this 
work different with focuspanel?

Thanks

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Re: Get widget variable name from event?

2012-12-28 Thread Jens 
No you can't.

All you can do is

Object source = event.getSource();
if(source == panel) {
  //event fired by specific panel
}

But this only makes sense if you have multiple event sources for a single 
method, e.g.

@UiHandler({"panel1", "panel2"})
void onMouseOver(MouseOverEvent event) {
  //dispatch event source here.
}

The above code is pretty much the same as

MouseOverHandler handler = new MouseOverHandler() { //implement... }
panel1.addMouseOverHandler(handler);
panel2.addMouseOverHandler(handler);

-- J.

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How to display an empty Panel/FocusPanel?

2012-12-28 Thread membersound 
Hi,

I want to have a FocusPanel without any content, but it should trigger some 
MouseFocus events.
Are there any spacer elements in GWT which I could place into the 
FocusPanel?

At the moment I'm just using a transparent little image that I place into 
the FocusPanel by:

  


But are there better ways?

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Get widget variable name from event?

2012-12-28 Thread membersound 
Hi,

is it possible to retrieve the name of an element that triggers an event?
For example, if I have a FocusPanel which triggers a MouseOverEvent, can I 
get the variable name of that panel somehow from the event?


@UiField
FocusPanel panel;

@UiHandler("panel")
void mouseOver(MouseOverEvent ev) {
Window.alert("you clicked the element named 'panel'"); //how could I 
use the 'ev' to get the name 'panel'?
}

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Vertical align elements in FlowPanel?

2012-12-28 Thread membersound 
Hi,

how can I vertically center elements within a FlowPanel? I have several 
FocusPanels inside a FlowPanel, which means they are stacked on each other. 
One of the focuspanels has an image, which should be centered both 
horizontally and vertically within that focuspanel. But no matter what I 
tried, it is always placed at the top of this panel.


  

  

  
...


Can anyone help?

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