Re: How to define AutoBeanFactory?

[Andrea Boscolo]

Have you read http://code.google.com/p/google-web-toolkit/wiki/AutoBean ?
I think this can help to get you started.

On Thursday, October 18, 2012 10:46:32 PM UTC+2, dhoffer wrote:

 I'm trying to figure out how to use AutoBeanFactory to decode 
 a JSONString, e.g.

 AutoBeanIPayload autoBean = AutoBeanCodex.decode(myAutoBeanFactory, 
 IPayload.class, jsonValue.stringValue());
 IPayload payload = autoBean.as();

 What I'm not clear on is how to define myAutoBeanFactory?

 I understand that's an interface passed 
 to GWT.create(MyAutoBeanFactory.class), but what methods 
 does MyAutoBeanFactory need?

 My IPayload and its content is defined as:

 public interface IPayload extends Serializable {
 IGWTMessage[] getMessages();
 void setMessages(IGWTMessage[] messages);
 }

 public interface IGWTMessage extends IGWTMessage {
 IUUIDReference getMessageId();
 void setMessageId(IUUIDReference id);
 }

 Then there are about a dozen derived interfaces that 
 extend IGWTMessage and then each of those has its concrete implementation 
 class.

 How can I handle this with AutoBeanFactory/JSON?

 Btw, this used to be just Serialized and marshaled that way but now I'm 
 trying to use a different approach that requires JSON.  Also, if there was 
 a way to just do a regular Java binary serialization that would be fine too 
 as I could then turn that into a Base64 encoded string and send just that 
 via JSON...then do the reverse on the server.  (But I haven't yet seen a 
 way to do Java binary serialization in the GWT client.) 

 Thanks,
 -Dave









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Re: CellTable tab not working after change event

[Bhumika Thaker]

I  am facing same problem, did u find any solution for this issue?

On Monday, 12 December 2011 21:43:58 UTC+5:30, sean tunlaw wrote:

 From the CellTableExample in the API:


 http://google-web-toolkit.googlecode.com/svn/javadoc/latest/index.html?overview-summary.html

  I customized it slightly to implement tab order.
 However, tabbing  does not work because table.redraw in
 nameColumn.setFieldUpdater steals focus away. If I don't edit the
 field and just click on the
 TextInputCell, tabbing works. If i comment out
 the table.redraw, tabbing works after I have edited a field but my
 other fields don't update.

 After editing a field , a change event is fired in onBrowser method.
 This eventually calls finishediting which then calls the update
 method
 in the column.fieldUpdater. In the update method is where the
 table.redraw is located

 I have also tried keeping my list of objects in the ListDataProvider
 and calling ListDataProvider.refresh but I have the same issue.
 Question) How can I implement tab order and allow tabbing after
 editing but still be able to refresh the Celltable grid. I need to
 redraw/ refresh the grid because after tabbing I need to update data
 in the other columns.

 The customization that i needed to do was :
 1) Extend TextInputCell and override render methods so that I can set
 a tabindex by customizing  template.input
 (see below code)
 2) In CellTableExample, I disabled KeyboardSelectionPolicy
 table.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.DISABLED);

 ==  inheriting TextInputCell
 ===

 public class EditableTextCell extends TextInputCell {
  private static final Logger logger =
 Logger.getLogger(EditableTextCell.class.getName());
   private SimpleTemplate template;
 protected SafeHtmlRendererString renderer;
 private boolean inline;
 interface SimpleTemplate extends SafeHtmlTemplates {
 @Template(input value=\{0}\ tabindex=\{1}\/
 input)
 SafeHtml input( String value,int tabindex);
 }
 public EditableTextCell(EventBus eventBus,
 SafeHtmlRendererString renderer, boolean
 inline) {
 super(renderer);
 this.renderer = renderer;
 template = GWT.create(SimpleTemplate.class);
 }
 public EditableTextCell() {
 }
 @Override
 public void render(Context context, String value,
 SafeHtmlBuilder sb)
 {
 Contact key = (Contact) context
 .getKey();
 String name = key.getName();
 // Get the view data.
 ViewData viewData = getViewData(key);
 if (viewData != null 
 viewData.getCurrentValue().equals(value)) {
 clearViewData(key);
 viewData = null;
 }
 String s = (viewData != null) ?
 viewData.getCurrentValue() : value;
 if (s != null   ) {
 String style = ;
 SafeHtml html = renderer.render(s);
 // Note: template will not treat SafeHtml
 specially
 sb.append(template.input( html.asString(),
 key.getId() ));
 } else {
 sb.appendHtmlConstant(input type=\text\
 tabindex=\-1\/
 input);
 }
 }
 @Override
 public void onBrowserEvent(Context context, Element parent,
 String
 value,
   NativeEvent event, ValueUpdaterString
 valueUpdater){
 String eventType = event.getType();
 logger.fine(onBrowserEvent...+ eventType);
 super.onBrowserEvent(context,parent, value,  event,
 valueUpdater);
 }



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Re: CellTable tab not working after change event

[Bhumika Thaker]

I have implemented same things and I am facing same problem. Did you find 
any solution for it yet?

Tab is working fine in celltable, but when I am changing any value  in 
EditableTextCell  
and then press tab, it will start from first cell.

Thanks in Advance


On Monday, 12 December 2011 21:43:58 UTC+5:30, sean tunlaw wrote:

 From the CellTableExample in the API:


 http://google-web-toolkit.googlecode.com/svn/javadoc/latest/index.html?overview-summary.html

  I customized it slightly to implement tab order.
 However, tabbing  does not work because table.redraw in
 nameColumn.setFieldUpdater steals focus away. If I don't edit the
 field and just click on the
 TextInputCell, tabbing works. If i comment out
 the table.redraw, tabbing works after I have edited a field but my
 other fields don't update.

 After editing a field , a change event is fired in onBrowser method.
 This eventually calls finishediting which then calls the update
 method
 in the column.fieldUpdater. In the update method is where the
 table.redraw is located

 I have also tried keeping my list of objects in the ListDataProvider
 and calling ListDataProvider.refresh but I have the same issue.
 Question) How can I implement tab order and allow tabbing after
 editing but still be able to refresh the Celltable grid. I need to
 redraw/ refresh the grid because after tabbing I need to update data
 in the other columns.

 The customization that i needed to do was :
 1) Extend TextInputCell and override render methods so that I can set
 a tabindex by customizing  template.input
 (see below code)
 2) In CellTableExample, I disabled KeyboardSelectionPolicy
 table.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.DISABLED);

 ==  inheriting TextInputCell
 ===

 public class EditableTextCell extends TextInputCell {
  private static final Logger logger =
 Logger.getLogger(EditableTextCell.class.getName());
   private SimpleTemplate template;
 protected SafeHtmlRendererString renderer;
 private boolean inline;
 interface SimpleTemplate extends SafeHtmlTemplates {
 @Template(input value=\{0}\ tabindex=\{1}\/
 input)
 SafeHtml input( String value,int tabindex);
 }
 public EditableTextCell(EventBus eventBus,
 SafeHtmlRendererString renderer, boolean
 inline) {
 super(renderer);
 this.renderer = renderer;
 template = GWT.create(SimpleTemplate.class);
 }
 public EditableTextCell() {
 }
 @Override
 public void render(Context context, String value,
 SafeHtmlBuilder sb)
 {
 Contact key = (Contact) context
 .getKey();
 String name = key.getName();
 // Get the view data.
 ViewData viewData = getViewData(key);
 if (viewData != null 
 viewData.getCurrentValue().equals(value)) {
 clearViewData(key);
 viewData = null;
 }
 String s = (viewData != null) ?
 viewData.getCurrentValue() : value;
 if (s != null   ) {
 String style = ;
 SafeHtml html = renderer.render(s);
 // Note: template will not treat SafeHtml
 specially
 sb.append(template.input( html.asString(),
 key.getId() ));
 } else {
 sb.appendHtmlConstant(input type=\text\
 tabindex=\-1\/
 input);
 }
 }
 @Override
 public void onBrowserEvent(Context context, Element parent,
 String
 value,
   NativeEvent event, ValueUpdaterString
 valueUpdater){
 String eventType = event.getType();
 logger.fine(onBrowserEvent...+ eventType);
 super.onBrowserEvent(context,parent, value,  event,
 valueUpdater);
 }



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Re: Polymorphic requestfactory example wanted

[Ümit Seren]

Maps are not supported yet (
http://code.google.com/p/google-web-toolkit/issues/detail?id=5524). Tough 
there is a patch under code review (https://codereview.appspot.com/6132056/)

On Thursday, October 18, 2012 11:43:00 PM UTC+2, zam...@gmail.com wrote:

 Hi All,

 I need a requestfactory, which can transports a MapString, ? extends 
 BaseObject objects. Is there any example to help me to understanding, how 
 can I do it?

 thx
 Zamek

  


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Re: CellTable with AsyncDataProvider - load performance issue

[Ümit Seren]

I would debug it using Chrome Developer Tools. You can check the HTTP 
request and see where most of the time is spent. I guess there must be an 
issue with the backend. 
Do you also get the slowdowns in production mode?


On Wednesday, October 17, 2012 1:16:53 PM UTC+2, Magnus wrote:

 Hello,

 I changed all the simple lists of my application into CellTables with an 
 AsyncDataProvider.

 Before the change, I always loaded the whole list via RPC and also showed 
 the whole list in the GUI.
 After the change, I always load a portion according to the page size and 
 always show one page only.

 However, it sometimes lasts very long, up to 10 sec, to fetch the data. 
 During this time the CellTable shows its loading animation. This does not 
 happen most of the time, but when it happens it looks like a problem to the 
 user.

 How can it be that fetching the whole list has a good constant 
 performance, while fetching the small portions with AsyncDataProvider is 
 that slow *sometimes*?

 See below how I create the AsyncDataProvider.

 Thanks
 Magnus

 -

  protected void createDataProvider ()
  {
   pvd = new AsyncDataProviderT()
   {
@Override
protected void onRangeChanged(HasDataT display)
{
 Range r = display.getVisibleRange();
 int start = r.getStart() + 1;
 int end = start + r.getLength() - 1;

 onRangeChange (start,end);
}
   };
   
  }

  public void onRangeChange (int i0,int i1)
  {
   // load list and record count via RPC call
  }



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Re: Polymorphic requestfactory example wanted

[Andrea Boscolo]

Maps are currently not supported as of 
http://code.google.com/p/google-web-toolkit/issues/detail?id=5524 a patch 
has been submitted but apparently it is blocked by 
http://code.google.com/p/google-web-toolkit/issues/detail?id=5974 so I 
guess you have to review your transportable type (maybe using a bean 
wrapper with 'string key' + 'BaseObject value' as suggested in the first 
issue).

When in doubt check the issue list and poke around tests in the gwt suite. 
For instance: 
http://code.google.com/p/google-web-toolkit/source/browse/trunk/user/test/com/google/web/bindery/requestfactory/gwt/client/RequestFactoryPolymorphicTest.java

On Thursday, October 18, 2012 11:43:00 PM UTC+2, zam...@gmail.com wrote:

 Hi All,

 I need a requestfactory, which can transports a MapString, ? extends 
 BaseObject objects. Is there any example to help me to understanding, how 
 can I do it?

 thx
 Zamek

  


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JavaEE anottation in a POJO and compile dose pojo to JS objects

[Blaze]

HI all,

I have one question: 

  I like to use JPA EJB(actually its already done) backend and now to 
create a JS UI with gwt.
  The problem comes when I want to use the domain pojo-s as a dto-s for 
the RPC because of the javax.persistance.* 
  annottaions in the pojo-s, the compiler asks for the source code when 
compailing to JS objects.

  What would be the best solution to this?

  1. I can create a new plain pojos from the old jpa domain pojos with 
exactly the same fields. Will alwasy work, but this looks like a overwork 
for noting, also in the project Ill send a list  of 5-6000 pojos to the 
frontend, so Ill lose a O(n) time to recriate the new DTO-s. 

  2. If try to include the source code for javax.persistance.*  will 
this work? Has someone tried this? I think most of them are having 
RETENTION=RUNTIME so the compiler shoud totaly dont care about them..but..

Any idea or expiriance on this?

Tnx,
Blaze
 

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Re: TextInputCell: Tab not working properly in IE9

[Bhumika Thaker]

Thanks for Reply,

Yes, I have already applied this to table, but still tabbing is not working 
as expected, 

Earlier problem which I am facing it is solved by removing tab 
index property from input tag. This is working properly in all the 
browser.

Now I am facing a problem like if I do any update  in NTGridEditTextCell 
 and then press the tab, it will set a focus to first row and first column 
instead of next element of updated cell.


On Monday, 15 October 2012 21:52:06 UTC+5:30, Andrei wrote:

 Try setKeyboardSelectionPolicy(KeyboardSelectionPolicy.DISABLED)

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Re: Issue with TabLayoutPanel in 2.5.0 RC1 RC2

[Thomas Broyer]

Looks like it's a regression in 2.5. 
See http://code.google.com/p/google-web-toolkit/issues/detail?id=7740

On Tuesday, October 16, 2012 6:04:43 PM UTC+2, manoj kumar wrote:

 We have code that uses TabLayoutPanel  in UIBinders and selects the tab 
 programatically. This code was working fine in 2.3, but we are getting 
 Exceptions since 2.5.0 RC1 ( RC2).
 Has anybody seen this before or solved this. 


 Caused by: java.lang.AssertionError: Index out of bounds
   at 
 com.google.gwt.user.client.ui.TabLayoutPanel.checkIndex(TabLayoutPanel.java:720)
   at 
 com.google.gwt.user.client.ui.TabLayoutPanel.selectTab(TabLayoutPanel.java:597)
   at 
 com.google.gwt.user.client.ui.TabLayoutPanel.selectTab(TabLayoutPanel.java:587)

 The following is the code.
 UIBinder.ui.xml:
 gwt:TabLayoutPanel barHeight=10 barUnit=CM ui:field=tabPanel_
 gwt:tab
 gwt:headerTab1 /gwt:header
 gwt:HTMLTab1 Contents/gwt:HTML
 /gwt:tab
 gwt:tab
 gwt:headerTab2 /gwt:header
 gwt:HTMLTab2 Contents/gwt:HTML
 /gwt:tab

 Following is the java code in the widget.

 public class TestPage {
  @UiField (provided = true)
 protected TabLayoutPanel tabPanel_;

public TestPage() {
 
 tabPanel_ = new TabLayoutPanel();
 }

 @Override
 public Widget render(MapString, String parameters) {
 tabPanel_.selectTab(0);

   }

 }





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Re: JavaEE anottation in a POJO and compile dose pojo to JS objects

[Jens]

Simply add the annotations to the classpath of GWT compiler and it should 
work. They won't compile to JS but the compiler needs them to load you 
client side classes. Also I guess you need everything on classpath that 
your annotations reference.

The real issue you may have is that JPA providers enhance your server JPA 
pojos and that can break serialization (e.g. a java.util.List will become a 
jpa.provider.LazyList after enhancement and GWT does not know LazyList).

-- J.

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Re: JavaEE anottation in a POJO and compile dose pojo to JS objects

[Blaze]

Hi Jens,

Thank for the replay first!

My queston was more on the part dose this would be compiled if I add the 
source code for the anottation.
For the Lazy classes this is normal. Ill have to use the real lists not the 
Lazy. But I dont think Ill transfare that big trees of objects. 

Ill give it a try...so will se what happens..:)

B

Am Freitag, 19. Oktober 2012 12:15:28 UTC+2 schrieb Jens:

 Simply add the annotations to the classpath of GWT compiler and it should 
 work. They won't compile to JS but the compiler needs them to load you 
 client side classes. Also I guess you need everything on classpath that 
 your annotations reference.

 The real issue you may have is that JPA providers enhance your server JPA 
 pojos and that can break serialization (e.g. a java.util.List will become a 
 jpa.provider.LazyList after enhancement and GWT does not know LazyList).

 -- J.


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Re: chrome - prompting me to install gwt plugin but already installed

[Justin Kames]

Yes there is

Open chrome  settings  extentions  drag and drop .crx file into there 
and it is installed!

Op vrijdag 19 oktober 2012 02:11:21 UTC+2 schreef Guray Alsac het volgende:

 I started seeing this today as well. However, it seems with the new 
 version of chrome you are not allowed to install extensions unless its 
 through the chrome web store (
 http://support.google.com/chrome_webstore/bin/answer.py?hl=enanswer=2664769p=crx_warning).
  
 But I couldn't find the plugin there! 
 https://chrome.google.com/webstore/search/GWT?hl=en-US

 Is there another way to get the gwt-dev-plugin.crx to install?

 On Tuesday, September 18, 2012 8:10:58 PM UTC-7, otosaat wrote:

 Hi  Xavier, I've also encountered the same problem. Would you please 
 share if you have you figured out a solution? Thanks, Otosaat.

 On Friday, April 27, 2012 3:25:40 AM UTC-4, Xavophonic wrote:

 Hi, 

 Here is my configuration 

 Google Web Toolkit 2.0.4 on my server Jetty. 
 Chrome version 18.0.1025.162 m 
 Windows XP PS3. 
 Google Web Toolkit Developer Plugin version 1.0.9738. 

 After installed the plugin, I restart Chrome. I come back to my 
 development page. I still have got the message : Development Mode 
 requires the Google Web Toolkit Developer Plugin. I tried the former 
 URLs to an old version of the plugin, but they are broken. 

 Publishing the old version of the plugin in the extention gallery 
 would be helpfull. 

 Could someone help me ? 

 Best regards, 

 Xavier



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Compile report

[Thomas Lefort]

In my compile report I get a lot of
packageX.ClassZ$1
packageX.ClassZ$2
packageX.ClassZ$3
etc...

for some classes I can have up to 30 x the $number ending. If I add
up it can make quite a large size of code for one class.

I (google) checked but the only thing I found on these is code
splitting, which I don't (yet) do.

Can anybody explain what they are for?

Thanks,

Thomas

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Re: Compile report

[Jens]

These are Java's anonymous classes. Activities/Presenters typically have 
quite a few of them because of Callback implementations.

class MyActivity {
  doStuff() {
 service.call(new AsyncCallback() {
 //implement
 });
  }
}

will result in Activity$1 because of anonymous AsyncCallback implementation.

-- J.

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Re: Compile report

[Thomas Lefort]

Makes perfect sense! Thanks for the quick reply.


On Friday, 19 October 2012 13:46:21 UTC+2, Jens wrote:

 These are Java's anonymous classes. Activities/Presenters typically have 
 quite a few of them because of Callback implementations.

 class MyActivity {
   doStuff() {
  service.call(new AsyncCallback() {
  //implement
  });
   }
 }

 will result in Activity$1 because of anonymous AsyncCallback 
 implementation.

 -- J.


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Re: How to make ValueBoxEditorDecorator error message positionate to the right?

[Thomas Broyer]

Copy/paste (i.e. fork) ValueBoxEditorDecorator into your own project.
See http://code.google.com/p/google-web-toolkit/issues/detail?id=5465

On Friday, October 19, 2012 12:24:52 AM UTC+2, vehdra music wrote:

 I would like to get

 [ text box ] Error message.

 But I am getting this:

 Error message [ text box ]

 This is my ui.xml:

 tr

 tdui:msg description=EmailEmail/ui:msg/td

 td

 e:ValueBoxEditorDecorator ui:field=email

 e:valuebox

   g:TextBox styleName={resources.style.editField}/

 /e:valuebox

   /e:ValueBoxEditorDecorator

 /td

 /tr

 And this in my style:

 .editField {

   display: inline;

   width: fieldWidth;

 }


 .rightAlign {

   text-align: right;

 }

 And I've tried playing with CSS to make the error message positionate to 
 the right of the text box, but I can't figure how can I do it.

 Is there any way to positionate the error message to the right of the text 
 box?


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Re: How to define AutoBeanFactory?

[David Hoffer]

I did find that but it doesn't explain much at all.  Regarding the
AutoBeanFactory it just says:

interface MyFactory extends AutoBeanFactory {
  // Factory method for a simple AutoBean
  AutoBeanPerson person();

  // Factory method for a non-simple type or to wrap an existing instance
  AutoBeanPerson person(Person toWrap);
}

There is no explanation of what person() is even in this overly simplified case.

Am I to assume that person() refers to getPerson() and
setPerson(Person) java bean methods on another object?  If so, does
AutoBeanFactory require strict java beans naming conventions?  In my
case I don't have Java beans, I just have a serailizable POJO with an
interface.  E.g. getMessages() returns an IGWTMessage.  How can I
configure AutoBeanFactory to handle this?

-Dave

On Fri, Oct 19, 2012 at 2:40 AM, Andrea Boscolo andrew...@gmail.com wrote:
 Have you read http://code.google.com/p/google-web-toolkit/wiki/AutoBean ?
 I think this can help to get you started.

 On Thursday, October 18, 2012 10:46:32 PM UTC+2, dhoffer wrote:

 I'm trying to figure out how to use AutoBeanFactory to decode a
 JSONString, e.g.

 AutoBeanIPayload autoBean = AutoBeanCodex.decode(myAutoBeanFactory,
 IPayload.class, jsonValue.stringValue());
 IPayload payload = autoBean.as();

 What I'm not clear on is how to define myAutoBeanFactory?

 I understand that's an interface passed to
 GWT.create(MyAutoBeanFactory.class), but what methods does MyAutoBeanFactory
 need?

 My IPayload and its content is defined as:

 public interface IPayload extends Serializable {
 IGWTMessage[] getMessages();
 void setMessages(IGWTMessage[] messages);
 }

 public interface IGWTMessage extends IGWTMessage {
 IUUIDReference getMessageId();
 void setMessageId(IUUIDReference id);
 }

 Then there are about a dozen derived interfaces that extend IGWTMessage
 and then each of those has its concrete implementation class.

 How can I handle this with AutoBeanFactory/JSON?

 Btw, this used to be just Serialized and marshaled that way but now I'm
 trying to use a different approach that requires JSON.  Also, if there was a
 way to just do a regular Java binary serialization that would be fine too as
 I could then turn that into a Base64 encoded string and send just that via
 JSON...then do the reverse on the server.  (But I haven't yet seen a way to
 do Java binary serialization in the GWT client.)

 Thanks,
 -Dave







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Re: How to define AutoBeanFactory?

[Thomas Broyer]

On Friday, October 19, 2012 3:42:35 PM UTC+2, dhoffer wrote:

 I did find that but it doesn't explain much at all.  Regarding the 
 AutoBeanFactory it just says: 

 interface MyFactory extends AutoBeanFactory { 
   // Factory method for a simple AutoBean 
   AutoBeanPerson person(); 

   // Factory method for a non-simple type or to wrap an existing instance 
   AutoBeanPerson person(Person toWrap); 
 } 

 There is no explanation of what person() is even in this overly simplified 
 case. 

 Am I to assume that person() refers to getPerson() and 
 setPerson(Person) java bean methods on another object?


Not at all. It's a factory method for an AutoBeanPerson, the 
implementation will be generated by the call to GWT.create() or 
AutoBeanFactorySource.create().
Person itself is an interface with property accessors (getters and 
setters). Yet again, the implementation of that interface will be 
generated; when you generate the AutoBeanFactory that has a method 
referencing it (when creating the AutoBeanFactory above, it needs an 
implementation of Person, so it'll generate it at the same time as the 
implementation of the AutoBeanFactory).
Actually, you don't have to actually call those factory methods, they can 
be there only so that the AutoBeanFactory *knows* the interface to be 
treated as an AutoBean, so that it'll generate an implementation for it and 
you'll be able to deserialize it from JSON.
 

 If so, does 
 AutoBeanFactory require strict java beans naming conventions?  In my 
 case I don't have Java beans, I just have a serailizable POJO with an 
 interface.  E.g. getMessages() returns an IGWTMessage.  How can I 
 configure AutoBeanFactory to handle this?


interface MyAutoBeanFactory extends AutoBeanFactory {
AutoBeanIPayload payload();
}

But in your case that won't work: AutoBeans don't support arrays 
(IGWTMessage[]), only lists, sets and maps (e.g. ListIGWTMessage)

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Re: How to define AutoBeanFactory?

[dhoffer]

Thanks that really helps.  Is just defining the top level interface enough, 
e.g.

interface MyAutoBeanFactory extends AutoBeanFactory {
AutoBeanIPayload payload();
}

Or would I need to include factory methods for all nested interfaces 
contained/referenced by IPayload?  E.g.

interface MyAutoBeanFactory extends AutoBeanFactory {
AutoBeanIPayload payload();
AutoBeanIGWTMessage message();
AutoBeanIGWTInitializationMessage initializationMessage();
AutoBeanIGWTViewInstruction viewInstruction();
AutoBeanIGWTViewReference viewReference();
AutoBeanIGWTViewInstructionParameter viewInstructionParameter();
AutoBeanIGWTViewInstructionResult viewInstructionResult();
}

Regarding AutoBeans not supporting arrays, if I can get it to support my 
data structure types, I can convert the logic to use a List instead of the 
array.

Thanks,
-Dave


On Thursday, October 18, 2012 2:46:32 PM UTC-6, dhoffer wrote:

 I'm trying to figure out how to use AutoBeanFactory to decode 
 a JSONString, e.g.

 AutoBeanIPayload autoBean = AutoBeanCodex.decode(myAutoBeanFactory, 
 IPayload.class, jsonValue.stringValue());
 IPayload payload = autoBean.as();

 What I'm not clear on is how to define myAutoBeanFactory?

 I understand that's an interface passed 
 to GWT.create(MyAutoBeanFactory.class), but what methods 
 does MyAutoBeanFactory need?

 My IPayload and its content is defined as:

 public interface IPayload extends Serializable {
 IGWTMessage[] getMessages();
 void setMessages(IGWTMessage[] messages);
 }

 public interface IGWTMessage extends IGWTMessage {
 IUUIDReference getMessageId();
 void setMessageId(IUUIDReference id);
 }

 Then there are about a dozen derived interfaces that 
 extend IGWTMessage and then each of those has its concrete implementation 
 class.

 How can I handle this with AutoBeanFactory/JSON?

 Btw, this used to be just Serialized and marshaled that way but now I'm 
 trying to use a different approach that requires JSON.  Also, if there was 
 a way to just do a regular Java binary serialization that would be fine too 
 as I could then turn that into a Base64 encoded string and send just that 
 via JSON...then do the reverse on the server.  (But I haven't yet seen a 
 way to do Java binary serialization in the GWT client.) 

 Thanks,
 -Dave









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Re: SuperDevoMode and Source Maps

[Smithimage]

Hi there Adolfo!

Did you find a solution to this problem?

I seem to have encountered a similar issue.. However I am developing on a 
Mac OSX (lion)

Best regards!

Smithimage

On Wednesday, August 8, 2012 9:42:57 AM UTC+2, apanizo wrote:

 Hi all,

 I am trying to user SuperDevMode with SourceMaps but I think I am doing 
 something wrong.

 I succeeded running the code server as a Java process (I have the 
 bookmarks Dev mode on and Dev mode off in my browser's tab), also I 
 have running the app without problems and even if I make click on Dev mode 
 on tab, the app's compilation works perfect.

 But it's impossible for me find the .java files in the Developer Tools's 
 Scripts. In the classpath's tab I've added the src folder of my app (when I 
 created the Java app in order to serve to the browser the non optimized JS).

 Further info: If I go to localhost:9087/myApp, I can see the nomal files 
 that you obtain when you compile the app (many files XXX.gwt.rpc and the 
 common myapp.noche.js, myap.devmode.js), and this files also appear in 
 the Developer Tools's Scripts instead of the .java files.

 So, what I am missing?

 Thank you in advance.

 Adolfo.




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 Warren Buffet
  

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Re: How to define AutoBeanFactory?

[Thomas Broyer]

On Friday, October 19, 2012 4:20:58 PM UTC+2, dhoffer wrote:

 Thanks that really helps.  Is just defining the top level interface 
 enough, e.g.

 interface MyAutoBeanFactory extends AutoBeanFactory {
 AutoBeanIPayload payload();
 }

 Or would I need to include factory methods for all nested interfaces 
 contained/referenced by IPayload?



AutoBeans cannot decode a IPayload if it doesn't know how to decode a 
IGWTMessage, so obviously dependencies are resolved transitively, and it's 
enough to just reference IPayload here. 

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Re: is BasicPlace still available?

[Piotr Sobczyk]

Yeah, I was confused by this unclear doc too. Maybe this sentence in docs 
should be slightly changed not to confuse users anymore?

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gwt unit test Canvas getCoordinateSpaceWidth()

[Emre Esirik]

public class CanvasTest extends GWTTestCase {
  public String getModuleName() {
return com.MyModule
  }
  public void testCanvas() {
Canvas c = Canvas.createIfSupported();
c.setCoordinateSpaceWidth(199);
c.setCoordinateSpaceHeight(199);

int value = c.getCoordinateSpaceWidth(); //FAILED
 }
}

gwt unit test failed while getting canvas coordinatespacewidth also,

public class AsyncRequestTest extends GWTTestCase {
  public String getModuleName() {
return com.MyModule
  }
  public void testAsyncRequest() {
   request(http://localhost:8080/myservice;); //FAILIED 
 }
 public static native String request(String url) {
 var AJAX = new $wnd.XMLHttpRequest();
 AJAX.open('GET',url,false);
 AJAX.send(null);
 return AJAX.responseText;

}
}
this code is work at project but it is failed at gwt unit test.I guess this 
fails is because of gwt unit tests uses firefox 3
. Application is drawing canvas application and this errors stops me :(

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Re: GWT Dev Plugin for Google Chrome

[Stamate Cristian]

This is not working.Added that on the shortcut target, got the exact same 
error. Pretty lame, a plugin made by google doesn't work with their own 
browser. Everybody knows the solution, wright? Switch to mozilla. Always 
worked for me.
On Saturday, August 18, 2012 5:02:02 PM UTC+3, mukarev wrote:

 Thanks J.

 I finally made it with adding --enable-easy-off-store-extension-install 
 to the shortcut of Chrome.

 Best regards,
 mukarev


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Intellij for GWT app development. Is it worth it?

[Jens]

I am thinking about moving away from Eclipse (IMHO 4.2 feels really 
sluggish) and switching to Intellij IDEA 12 when its released.

Is anybody here that has used both Eclipse + GPE and Intellij + GWT Plugin 
and can share his/her experience? Having Jetbrains joining the GWT steering 
group I guess GWT support in Intellij will never fall behind.

So is it worth its money? 

I already tested Intellij 11 and it seems ok, but having some opinions from 
people that have used Eclipse and Intellij for a longer period of time 
would be nice. For example I quickly noticed 
this: 
http://stackoverflow.com/questions/9763801/why-intellij-idea-prefers-not-to-extend-composite-when-use-gwt-uibinder
 
and wonder whats the rational behind it (UiBinder plays better with Widget 
instead of IsWidget) and if there are other differences that have the 
potential of being annoying.

Thanks in advance

-- J.

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Re: GWT Dev Plugin for Google Chrome

[ChrisOcad]

Yep, I'm seeing the same thing here.  Using that startup flag provides 
no relief, the plugin is install but will not run.

On Friday, 19 October 2012 10:51:41 UTC+1, Stamate Cristian wrote:


 This is not working.Added that on the shortcut target, got the exact same 
 error. Pretty lame, a plugin made by google doesn't work with their own 
 browser. Everybody knows the solution, wright? Switch to mozilla. Always 
 worked for me.
 On Saturday, August 18, 2012 5:02:02 PM UTC+3, mukarev wrote:

 Thanks J.

 I finally made it with adding --enable-easy-off-store-extension-install 
 to the shortcut of Chrome.

 Best regards,
 mukarev



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Re: RPC call from server to client

[Magnus]

Hi Andrea!

Am Donnerstag, 18. Oktober 2012 21:33:53 UTC+2 schrieb Andrea Boscolo:


 Anyway I'd give atmosphere a try.


Ok, but where can I get the right jar file? 

Just googeling around and choosing some jar, e. g. this one?
http://www.java2s.com/Code/Jar/a/Downloadatmosphereruntime082011070314051041jar.htm

How do I know if it's the latest, the rignt one? (I've seen somewhere that 
there are different atmosphere modules/jars for different comet 
techniques...)

Magnus

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Re: GWT In Eclipse Debug Mode All Of A Sudden is Super Slow

[Jorn Nordahl]

I get this from time to time... it is so slow all of a sudden and it 
usually happens when I am debugging away using FireFox as the browser... 
(we only use FF as the browser to debug). When restarting after a code 
change - there it is - slow as heck FF eventually allows me into the 
app - but Chrome tells me to kill the page over and over since it times 
out. 

I try to build, rebuild, rebuild again restart the box, clear out 
cache, run mvn clean untill I'm blue in the face. don't know what is 
going on...  Then - all of a sudden - it's ok again... 

If I connect directly to the tomcat server (production mode) then 
everything is smooth and quick as it normally is - if I then switch over to 
starting the app in eclipse - then attach to the eclipsed debugger - it is 
slow as heck.

Any ideas?

On Monday, August 27, 2012 1:42:00 PM UTC-7, Adam Sas wrote:

 Hi, 

 Recently I experienced the same problem. Have you figured out how to solve 
 it?

 Best regards

 W dniu poniedziałek, 11 kwietnia 2011 15:54:44 UTC+2 użytkownik innusius 
 napisał:

 No breakpoints and it is slow as hell. This is some code issue as I 
 see that after each reload of debug , it takes longer and longer to 
 reload application or maybe it depends of how long it runs... 

 On Apr 7, 6:27 pm, Chris Conroy con...@google.com wrote: 
  Eclipse's debug hooks can sometimes cause pathological slowdowns if you 
 have 
  a breakpoint set on a method entry point. This can happen for regular 
 java 
  (read: non-GWT) programs as well. Try removing any breakpoints you have 
 set 
  (or at least, removing any on the method entry--you can set them just 
 fine 
  on the first line of the function instead) 
  
  
  
  
  
  
  
  On Wed, Apr 6, 2011 at 3:15 PM, PTJ pjuckiew...@gmail.com wrote: 
   Recently I was running my GWT application in devmode via the Eclipse 
   plugin in the Google Chrome Browser.  Chrome stopped responding and 
 my 
   browser completely crashed, requiring me to restart my computer.  I 
   restarted my computer and tried to run my GWT application again, but 
   this time it was SUPER slow.  Devmode has always been a little slow, 
   but now it's at the point where it is not even usable anymore.  The 
   weird part is that it is only when running in debug mode via the 
   Eclipse plugin, standard run (not debug) via eclipse, the devmode Ant 
   target, and production depoyment (WAR) work fine. 
  
   I have tried to run other GWT applications and now they are all 
   running unbearably slow now as well.  I uninstalled/reinstalled the 
   Google Plugin, upgraded to Eclipse Helios (was using Galileo), 
   upgraded to GWT 2.2.0 (was using 2.0.3), etc and nothing has worked. 
   I am the only one on my team having this issue and we are all running 
   the EXACT same codebase. 
  
   Has anyone encountered this issue before?  Any help would be greatly 
   appreciated.  I have spent ~2 days straight trying to figure out this 
   out! 
  
   Environment (at this point I have tried a number of different 
 versions 
   of the below libraries, all produced the same issue of being too slow 
   in devmode debugging via Eclipse): 
   -GWT 2.2.0 
   -Eclipse Helios w/ Google Plugin for Eclipse 3.6  GWT SDK 2.2.0 
   -Google Chrome 10.0.648.204 
   -GXT 2.2.3 (for GWT 2.2) 
  
   Regards, 
   Paul J. 
  
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Re: Polymorphic requestfactory example wanted

[zame...@gmail.com]

Hello,

Thx a lot I'll check it.


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Re: GWT In Eclipse Debug Mode All Of A Sudden is Super Slow

[Jorn Nordahl]

Ok - I just think I figured it out: I had 6 break points set in eclipse - 
these break points would not be hit at all during launch - but once I 
removed them all (right click - remove all) then FF + Chrome launches at 
'normal' development speed.

Thanks!!!

On Friday, October 19, 2012 9:43:55 AM UTC-7, Jorn Nordahl wrote:

 I get this from time to time... it is so slow all of a sudden and it 
 usually happens when I am debugging away using FireFox as the browser... 
 (we only use FF as the browser to debug). When restarting after a code 
 change - there it is - slow as heck FF eventually allows me into the 
 app - but Chrome tells me to kill the page over and over since it times 
 out. 

 I try to build, rebuild, rebuild again restart the box, clear out 
 cache, run mvn clean untill I'm blue in the face. don't know what is 
 going on...  Then - all of a sudden - it's ok again... 

 If I connect directly to the tomcat server (production mode) then 
 everything is smooth and quick as it normally is - if I then switch over to 
 starting the app in eclipse - then attach to the eclipsed debugger - it is 
 slow as heck.

 Any ideas?

 On Monday, August 27, 2012 1:42:00 PM UTC-7, Adam Sas wrote:

 Hi, 

 Recently I experienced the same problem. Have you figured out how to 
 solve it?

 Best regards

 W dniu poniedziałek, 11 kwietnia 2011 15:54:44 UTC+2 użytkownik innusius 
 napisał:

 No breakpoints and it is slow as hell. This is some code issue as I 
 see that after each reload of debug , it takes longer and longer to 
 reload application or maybe it depends of how long it runs... 

 On Apr 7, 6:27 pm, Chris Conroy con...@google.com wrote: 
  Eclipse's debug hooks can sometimes cause pathological slowdowns if 
 you have 
  a breakpoint set on a method entry point. This can happen for regular 
 java 
  (read: non-GWT) programs as well. Try removing any breakpoints you 
 have set 
  (or at least, removing any on the method entry--you can set them just 
 fine 
  on the first line of the function instead) 
  
  
  
  
  
  
  
  On Wed, Apr 6, 2011 at 3:15 PM, PTJ pjuckiew...@gmail.com wrote: 
   Recently I was running my GWT application in devmode via the Eclipse 
   plugin in the Google Chrome Browser.  Chrome stopped responding and 
 my 
   browser completely crashed, requiring me to restart my computer.  I 
   restarted my computer and tried to run my GWT application again, but 
   this time it was SUPER slow.  Devmode has always been a little slow, 
   but now it's at the point where it is not even usable anymore.  The 
   weird part is that it is only when running in debug mode via the 
   Eclipse plugin, standard run (not debug) via eclipse, the devmode 
 Ant 
   target, and production depoyment (WAR) work fine. 
  
   I have tried to run other GWT applications and now they are all 
   running unbearably slow now as well.  I uninstalled/reinstalled the 
   Google Plugin, upgraded to Eclipse Helios (was using Galileo), 
   upgraded to GWT 2.2.0 (was using 2.0.3), etc and nothing has worked. 
   I am the only one on my team having this issue and we are all 
 running 
   the EXACT same codebase. 
  
   Has anyone encountered this issue before?  Any help would be greatly 
   appreciated.  I have spent ~2 days straight trying to figure out 
 this 
   out! 
  
   Environment (at this point I have tried a number of different 
 versions 
   of the below libraries, all produced the same issue of being too 
 slow 
   in devmode debugging via Eclipse): 
   -GWT 2.2.0 
   -Eclipse Helios w/ Google Plugin for Eclipse 3.6  GWT SDK 2.2.0 
   -Google Chrome 10.0.648.204 
   -GXT 2.2.3 (for GWT 2.2) 
  
   Regards, 
   Paul J. 
  
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Re: RPC call from server to client

[Magnus]

Hello,

I found some jar somewhere, but I don't know if it's ok. I found that there 
are many different aptmosphere jars. There is even a special GWT version:
http://code.google.com/p/atmosphere-gwt-comet/

This is hard to understand for me: Why a special GWT version?
There also seem to be different atmosphere APIs...

Then, all the examples on the atmosphere homepage include only one java 
file. I expected atmosphere code to be on both the client and server side.

However, I still need some help to pick the richt jar/api, and I need a 
minimal example...

Magnus

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Re: RPC call from server to client

[Jens]

Take a look at: 

https://github.com/Atmosphere/atmosphere
https://github.com/Atmosphere/atmosphere/wiki
*https://github.com/Atmosphere/atmosphere/wiki/Getting-started-with-GWT*

For downloading latest binary 
version: http://search.maven.org/#search%7Cga%7C1%7Corg.atmosphere

There are also plenty of examples (incl. GWT 
examples): http://search.maven.org/#search%7Cga%7C1%7Corg.atmosphere.samples


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Re: RPC call from server to client

[Magnus]

Hi Jens!

Am Freitag, 19. Oktober 2012 19:25:09 UTC+2 schrieb Jens:
 

 For downloading latest binary version: 
 http://search.maven.org/#search%7Cga%7C1%7Corg.atmosphere


Which one (which ArtifactId)?
The one with the ArtifactId atmosphere-gwt only has a pom file, which I 
cannot handle...
 

 There are also plenty of examples (incl. GWT examples): 
 http://search.maven.org/#search%7Cga%7C1%7Corg.atmosphere.samples

 
I fetched the example atmosphere-gwt-chat, which includes imports like 
this:
import org.atmosphere.gwt.server.AtmosphereGwtHandler;

This import contains gwt and it is not found within the atmosphere jar I 
currently have.

Magnus

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List all the strings and ints in a class?

[darkflame]

I am looking to make a little debugging widget for my (rather complex) app. 
It would be helpfull if I could construct something that would look at a 
class and display all its data.
I can handle the GUI side of it easily enough..but Java wise I don't know 
where to start or if its even possible to navigate a arbitrary class in 
this way.

Ideally Id want to get a list of variable names and their values.
I assume Id need to compile as pretty or detailed for the variable names to 
even be there - thats fine.

Thanks for any pointers,
-Thomas

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Re: GWT and MVP

[furious_panda]

Thanks all yours responses.


Le jeudi 18 octobre 2012 17:25:14 UTC+2, Thad a écrit :

 On Wednesday, October 17, 2012 5:28:16 PM UTC-4, furious_panda wrote:

 Hi,

 I need some help, I did not found examples or forums discussions about 
 these subjects.

 I want to try to do a GWT application using MVP pattern. But I have some 
 difficulties.

 In MVP, Presenter have to contain Display interface that specifie what 
 the View must implements and return.

 *I have two problems when I apply this pattern:*

 1 - The View must not have to manipulate Model. Or, how it is possible 
 for a collections of objects?

 For example, I have model  object Person as follows:

 *public class Person{*
 *private String firstname;*
 *private String lastname;*
 *private Integer age;*
 *..
 *
 *}*

 The View must display a collection of Person in Table (Flextable for 
 example) whithout manipulating Model. How it is possible ?

 This is my presenter, and what I do now:

 *public class PersonListPresenter extends 
 WidgetPresenterPersonListPresenter .Display {
 *
 * public interface Display extends WidgetDisplay{*
 * public void setData(ListPerson data);*
 *}*
 **
 *protected void onBind() {*
 *   display.setData(data);*
 *}*
 *}*

 This is my view, and what I do now:

 *public class SongsView implements PersonListPresenter .Display {*
 *..*
 *public void setData(ListPerson data) {
 *
 *   if(data!=null  data.size()  0){*
 * for (Person person: data) {*
 *  // I display all information about each Person in one row 
 of table *
 *  *
 * }*
 *}*
 *}*
 *.*
 *}*

 *How can I do in MVP for this case ?*


 I have not been hard and fast about hiding POJOs from my my views. After 
 all, a view has to know what to display and I find oodles of getFoo() are a 
 lot work for the return. However I put all updating of my POJOs in my 
 activities. Each time the view need to display something, it gets it from 
 the activity. The activity handles setDirty(true|false). This seem easiest 
 for my mind to grasp.

 2 - My second problem, is each row of this table must be clickable ? How I 
 can do ?

 How can I get from display click event for each row ?

 *public class PersonListPresenter extends 
 WidgetPresenterPersonListPresenter .Display {
 *
 * public interface Display extends WidgetDisplay{*
 * public void setData(ListPerson data);*
 *}*
 **
 *protected void onBind() {*
 *   display.setData(data);*
 *   // I have to implement the same information for each row but 
 the source information is different.*
 *   // I have to fire an Event containing the Person information 
 that is clicked*
 *   display.get ? *
 *
 *
 *   .addClickHandler(new ClickHandler() {*
 * public void onClick(ClickEvent event) {*
 *
 *
 *}*
 *  }*
 *}*
 *}*

 Thanks in advance.


 If your using a FlexTable, look at samples/Mail for how this is done. I've 
 implemented something akin to this *many* times (though now I'm moving 
 larger data sets to cells).



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Re: How to define AutoBeanFactory?

[dhoffer]

With the factory created I'm not getting any json data decoded.  The 
decoded type is something 
like ipt.tas.app.ui.gwt.client.IPayloadAutoBean$2@2dbb24d0 instead of the 
expected IPayload.  I'm not sure what this is ...but all of the data 
that IPayload's methods should have contained is null.

However that was with, on the server, the data being encoded into JSON 
using Gson, e.g. 
Gson gson = new Gson();
String asJson = gson.toJson(str);

I figured that maybe the AutoBeans framework requires that it be used to 
encode the data if its being used to decode the data so I replaced the 
server code with:
AutoBeanIPayload bean = AutoBeanUtils.getAutoBean(payload);
String asJson = AutoBeanCodex.encode(bean).getPayload();

However bean is always null so this doesn't work either.  I don't see a way 
to specify the same factory when encoding (like used when decoding).  So 
I'm at a lost how to use AutoBean, there are no compile time errors or 
warnings just doesn't work at runtime with no obvious reason.  It seems 
AutoBean can't encode or decode my domain objects.

I'm at a loss on how to convert my domain objects into JSON using GWT.

-Dave






On Friday, October 19, 2012 8:54:24 AM UTC-6, Thomas Broyer wrote:



 On Friday, October 19, 2012 4:20:58 PM UTC+2, dhoffer wrote:

 Thanks that really helps.  Is just defining the top level interface 
 enough, e.g.

 interface MyAutoBeanFactory extends AutoBeanFactory {
 AutoBeanIPayload payload();
 }

 Or would I need to include factory methods for all nested interfaces 
 contained/referenced by IPayload?



 AutoBeans cannot decode a IPayload if it doesn't know how to decode a 
 IGWTMessage, so obviously dependencies are resolved transitively, and it's 
 enough to just reference IPayload here. 


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Re: GWT client side Java object serialization

[dhoffer]

I'm really having a hard time finding something that will work here. 
 Regarding your suggestions:

- Json Overlay Types
(This one I have not implemented yet...I was not sure how to do this)
- AutoBeans
I can't get this to work properly, there are no errors reported just 
doesn't work at runtime.  When using it on the server to encode I get a 
null bean.  When using it on the client I get what looks like a mock 
instance (random derived type) of the right type but it has no data.

- Frameworks like Piriti (http://code.google.com/p/piriti/)
This one almost worked...it generated code but because some of types I 
marshal are parameterized (pass data of type T)...it generated code that 
returned T but the class itself was not typed so java could not compile the 
code.  Seems it just does not handle parameterized types. 

- maybe you can borrow you some code from resty-gwt (
http://restygwt.fusesource.org/documentation/restygwt-user-guide.html#JSON_Encoder_Decoders
)
I had tried this one first...ran into a problem here too...just don't 
recall the details.

- you can roll your own solution using GWT's generators at compile time.
(Not sure how to do this either)

Also...I found the gwt-streamer library it's purpose is to convert POJO to 
JSON and/or XML and the reverse.  This seemed ideal as then I could just 
pass the resulting string as a single item JSON map but it didn't work 
because the library contains code references that are not implemented in 
the GWT JRE emulation library.  So although it was advertised for client 
side GWT apps I don't see how that is possible.  

Any other suggestions?  Know of any good Json Overlay Types examples?

Thanks,
-Dave


On Thursday, October 18, 2012 3:04:00 PM UTC-6, dhoffer wrote:

 I have some rather complex data objects that currently get marshaled from 
 client to server and server to client (comet communication).  Btw, not 
 complex in quantity of data, or data relationships, but data is arrays of 
 lots of different derived interface/class types.  The data used to be just 
 serialized but now it needs to be sent via JSON.

 Is it possible to perform regular Java object serialization in the GWT 
 client?  If so, I could solve this by converting that binary output into 
 Base64 encoded string and send that via the new JSON API and then just 
 reverse that on the server.  Is it even possible to do this in GWT?

 Of course the other approach is to convert the Java object into a full 
 JSON object but given it's complexity I haven't found a way to do that yet 
 (I posted separate newsgroup message on that approach).  Either approach 
 would be fine for me, I can worry about performance differences later.

 -Dave


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How to add an empty row in Celltable

[mohammed alkhatari]

I need to add an empty row in celltable.
Please help

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Re: List all the strings and ints in a class?

[KevMo]

I've never used it, but you might give GWT Reflection a try.

http://gwtreflection.sourceforge.net/



On Friday, October 19, 2012 12:58:40 PM UTC-7, darkflame wrote:

 I am looking to make a little debugging widget for my (rather complex) 
 app. It would be helpfull if I could construct something that would look at 
 a class and display all its data.
 I can handle the GUI side of it easily enough..but Java wise I don't know 
 where to start or if its even possible to navigate a arbitrary class in 
 this way.

 Ideally Id want to get a list of variable names and their values.
 I assume Id need to compile as pretty or detailed for the variable names 
 to even be there - thats fine.

 Thanks for any pointers,
 -Thomas



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Re: How to define AutoBeanFactory?

[Jens]

AutoBeanUtils.getAutoBean(payload); will only return an AutoBeanIPayload 
instance if the method parameter already belongs to an AutoBean (see 
JavaDoc).

So things would look like the following (from memory, hopefully its 
correct):

//GWT client side
MyAutoBeanFactory factory = GWT.create(MyAutoBeanFactory.class);

//JVM = server side
MyAutoBeanFactory factory = 
AutoBeanFactorySource.create(MyAutoBeanFactory.class);

// now following code is the same on GWT client side and JVM/server side

// creates a new empty AutoBean
AutoBeanIPayload payloadAutoBean = factory.getPayload();

// creates a new AutoBean that contains the same data as the provided 
parameter
AutoBeanIPayload payloadAutoBean = 
factory.getPayload(yourPayloadPojoThatImplementsIPayload);



// Optional: Modify / get data from your bean
IPayload payload = payloadAutoBean.as();
payload.setData(...);


// serialize

// If you still have access to payloadAutoBean then use it
String json = AutoBeanCodex.encode(payloadAutoBean).getPayload();

// If you dont have access to payloadAutoBean but only to IPayload (maybe 
you are in a different method) 
// and you know 'payload' comes from an AutoBean
AutoBeanIPayload bean = AutoBeanUtils.getAutoBean(payload);
String json = AutoBeanCodex.encode(bean).getPayload();


// deserialize
AutoBeanIPayload deserializedAutoBean = AutoBeanCodex.decode(factory, 
IPayload.class, json);
IPayload deserializedPayload = deserializedAutoBean.as();


I hope that helps.

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Re: Chrome 15, GWT DMP Plugin crashes

[Vadim]

Same issue on Chrome 22.0.1229.94

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Re: GWT client side Java object serialization

[J.Ganesan]

Please see www.DataStoreGwt.com. It helps you to have a single object model 
for driving UI and for saving. It serializes an arbitrarily complex object 
graph at the client side and  persists.
J.Ganesan

On Saturday, October 20, 2012 2:00:14 AM UTC+5:30, dhoffer wrote:

 I'm really having a hard time finding something that will work here. 
  Regarding your suggestions:

 - Json Overlay Types
 (This one I have not implemented yet...I was not sure how to do this)
 - AutoBeans
 I can't get this to work properly, there are no errors reported just 
 doesn't work at runtime.  When using it on the server to encode I get a 
 null bean.  When using it on the client I get what looks like a mock 
 instance (random derived type) of the right type but it has no data.

 - Frameworks like Piriti (http://code.google.com/p/piriti/)
 This one almost worked...it generated code but because some of types I 
 marshal are parameterized (pass data of type T)...it generated code that 
 returned T but the class itself was not typed so java could not compile the 
 code.  Seems it just does not handle parameterized types. 

 - maybe you can borrow you some code from resty-gwt (
 http://restygwt.fusesource.org/documentation/restygwt-user-guide.html#JSON_Encoder_Decoders
 )
 I had tried this one first...ran into a problem here too...just don't 
 recall the details.

 - you can roll your own solution using GWT's generators at compile time.
 (Not sure how to do this either)

 Also...I found the gwt-streamer library it's purpose is to convert POJO to 
 JSON and/or XML and the reverse.  This seemed ideal as then I could just 
 pass the resulting string as a single item JSON map but it didn't work 
 because the library contains code references that are not implemented in 
 the GWT JRE emulation library.  So although it was advertised for client 
 side GWT apps I don't see how that is possible.  

 Any other suggestions?  Know of any good Json Overlay Types examples?

 Thanks,
 -Dave


 On Thursday, October 18, 2012 3:04:00 PM UTC-6, dhoffer wrote:

 I have some rather complex data objects that currently get marshaled from 
 client to server and server to client (comet communication).  Btw, not 
 complex in quantity of data, or data relationships, but data is arrays of 
 lots of different derived interface/class types.  The data used to be just 
 serialized but now it needs to be sent via JSON.

 Is it possible to perform regular Java object serialization in the GWT 
 client?  If so, I could solve this by converting that binary output into 
 Base64 encoded string and send that via the new JSON API and then just 
 reverse that on the server.  Is it even possible to do this in GWT?

 Of course the other approach is to convert the Java object into a full 
 JSON object but given it's complexity I haven't found a way to do that yet 
 (I posted separate newsgroup message on that approach).  Either approach 
 would be fine for me, I can worry about performance differences later.

 -Dave



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Re: RPC call from server to client

[Magnus]

Hi,

I fetched the jars atmosphere-gwt-server and atmosphere-gwt-client, but I 
still have unresolved dependencies with the example atmosphere-gwt-chat:


   - AtmosphereGwtHandler (cannot be resolved, indirectly referenced by 
   required class file)
   - Broadcaster
   - logger
   

Magnus

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[gwt-contrib] Re: Replace instances of element.setInnerHTML(safeHtml.asString()) (issue1857803)

[t . broyer]

D'oh, where was I when Element#setInnerSafeHtml was added? Didn't know
it even existed!

LGTM++

Except you missed one that spans 2 lines in ImageLoadingCell.
(caught using grep -R -A 1 'setInnerHTML' user/src/com/google/gwt/
|grep asString |grep -v setInnerHTML ;-) )

http://gwt-code-reviews.appspot.com/1857803/

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[gwt-contrib] Re: Replace instances of element.setInnerHTML(safeHtml.asString()) (issue1857803)

[t . broyer]

On 2012/10/19 12:50:40, tbroyer wrote:

Except you missed one that spans 2 lines in ImageLoadingCell.
(caught using grep -R -A 1 'setInnerHTML' user/src/com/google/gwt/

|grep

asString |grep -v setInnerHTML ;-) )


Ah, missed it in the patch; you already caught it, great!

http://gwt-code-reviews.appspot.com/1857803/

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[gwt-contrib] Re: Replace instances of element.setInnerHTML(safeHtml.asString()) (issue1857803)

[jat]

LGTM

Can we deprecate Element.setInnerHTML in favor of setInnerSafeHtml?
Ideally, we would be able to remove the unsafe versions before long.

http://gwt-code-reviews.appspot.com/1857803/

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[gwt-contrib] Re: Replace instances of element.setInnerHTML(safeHtml.asString()) (issue1857803)

[Matthew Dempsky]

On Fri, Oct 19, 2012 at 5:50 AM, t.bro...@gmail.com wrote:

 D'oh, where was I when Element#setInnerSafeHtml was added? Didn't know
 it even existed!


Yep, I added it last December.  Just finally getting around to cleaning up
the old code though. :)

Except you missed one that spans 2 lines in ImageLoadingCell.
 (caught using grep -R -A 1 'setInnerHTML' user/src/com/google/gwt/
 |grep asString |grep -v setInnerHTML ;-) )


FWIW, I used Error Prone[1] to do this refactoring.  Not as clumsy or
random as a regex; an elegant tool, for a more civilized age.  :)

[1] http://code.google.com/p/error-prone/

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[gwt-contrib] Re: Replace instances of element.setInnerHTML(safeHtml.asString()) (issue1857803)

[Matthew Dempsky]

On Fri, Oct 19, 2012 at 7:00 AM, j...@jaet.org wrote:

 Can we deprecate Element.setInnerHTML in favor of setInnerSafeHtml?
 Ideally, we would be able to remove the unsafe versions before long.


I'm certainly in favor of encouraging people to use setInnerSafeHtml() or
setInnerText() instead of setInnerHTML().  If deprecation's the best way to
do that, then I'd support that, but I suspect we'll need to do some more
cleanup work still.

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[gwt-contrib] Re: Replace instances of element.setInnerHTML(safeHtml.asString()) (issue1857803)

[Thomas Broyer]

On Fri, Oct 19, 2012 at 6:12 PM, Matthew Dempsky mdemp...@google.com wrote:
 On Fri, Oct 19, 2012 at 5:50 AM, t.bro...@gmail.com wrote:

 Except you missed one that spans 2 lines in ImageLoadingCell.
 (caught using grep -R -A 1 'setInnerHTML' user/src/com/google/gwt/
 |grep asString |grep -v setInnerHTML ;-) )


 FWIW, I used Error Prone[1] to do this refactoring.  Not as clumsy or
 random as a regex; an elegant tool, for a more civilized age.  :)

 [1] http://code.google.com/p/error-prone/

Oh, so you did develop a specific bug pattern, right?

(you learn a new thing every day! thanks for the pointer, didn't know
about that project –one day, I should really go through the whole list
of projects tagged with google on Google Code Hosting ;-) )

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