Re: [gwt-contrib] Some separate compilation errors/questions
Hello, Is there issue about this ? I was searching for it, but I can't find it. On Saturday, June 21, 2014 7:21:30 PM UTC+3, Jens wrote: Hey Jens Thanks for trying it out. Hey John, are you aware of issues regarding GWT's RuntimeRebinder classes and incremental compilation? I am trying SDM incremental from time to time and have these issues: 1.) In current GWT trunk a new app with empty entry point does not work anymore at runtime when using incremental compile. It fails with 1. Uncaught TypeError: Cannot read property 'containsKey__Ljava_lang_Object_2Z' of undefined Example-0.js:8181 1. com_google_gwt_lang_RuntimeRebinder_createInstance__Ljava_lang_Class_2Ljava_lang_Object_2 Example-0.js:8181 2. java_util_AbstractHashMap_clearImpl__VExample-0.js:21715 3. java_util_AbstractHashMap_$init__VExample-0.js:21695 4. java_util_AbstractHashMap_AbstractHashMap__VExample-0.js:21667 5. java_util_HashMap_HashMap__VExample-0.js:26220 6. com_google_gwt_lang_RuntimeRebinder_$clinit__VExample-0.js:8167 7. com_google_gwt_lang_RuntimeRebinder_createInstance__Ljava_lang_Class_2Ljava_lang_Object_2 Example-0.js:8178 8. com_google_gwt_core_client_impl_Impl_$clinit__VExample-0.js:3534 9. com_google_gwt_core_client_impl_Impl_registerEntry__Lcom_google_gwt_core_client_JavaScriptObject_2 Example-0.js:3728 10. com_google_gwt_lang_ModuleUtils_registerEntry__Lcom_google_gwt_core_client_JavaScriptObject_2 Example-0.js:197 11. (anonymous function) 2.) In an older GWT trunk version, which does not cause the issue in 1.), sometimes the RuntimeRebinder.runtimeRebindRuleByRequestTypeName Map has some missing entries. Because of that the app fails to start at runtime when using incremental compilation because no RuntimeRebindRule for my AppGinjector can be found in the map. When not using incremental compile, everything works. -- J. -- You received this message because you are subscribed to the Google Groups GWT Contributors group. To unsubscribe from this group and stop receiving emails from it, send an email to google-web-toolkit-contributors+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/google-web-toolkit-contributors/89f131d9-99f1-4ecf-971c-064a16b9aedb%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
Super Dev Mode (GWT 2.7-SNAPSHOT) fails with filename too long
Hello, I'm getting a strange error when I try to use the Super Dev Mode with the latest version of GWT. [WARN] Error writing out generated unit at '/var/folders/fw/bkhx08rn6kzbfk7rfkbpn38wgn/T/gwt-codeserver-4461955773179816365.tmp/com.xxx.xxx.App/compile-1/gen/com/xxx/xxx/device/shared/RequestedDeviceProxy_RequestedDeviceInfoProxyAutoBean_com_google_web_bindery_requestfactory_shared_impl_EntityProxyCategory_com_google_web_bindery_requestfactory_shared_impl_ValueProxyCategory_com_google_web_bindery_requestfactory_shared_impl_BaseProxyCategory.java': java.io.FileNotFoundException: /var/folders/fw/bkhx08rn6kzbfk7rfkbpn38wgn/T/gwt-codeserver-4461955773179816365.tmp/com.xxx.xxx.App/compile-1/gen/com/xxx/xxx/device/shared/RequestedDeviceProxy_RequestedDeviceInfoProxyAutoBean_com_google_web_bindery_requestfactory_shared_impl_EntityProxyCategory_com_google_web_bindery_requestfactory_shared_impl_ValueProxyCategory_com_google_web_bindery_requestfactory_shared_impl_BaseProxyCategory.java (File name too long) It seems that by default the GWT is using the -gen flag which is using too long filenames for any operating system ( as described in: https://code.google.com/p/google-web-toolkit/issues/detail?id=6015 ) Any idea how this issue can be fixed ? -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To unsubscribe from this group and stop receiving emails from it, send an email to google-web-toolkit+unsubscr...@googlegroups.com. To post to this group, send email to google-web-toolkit@googlegroups.com. Visit this group at http://groups.google.com/group/google-web-toolkit. For more options, visit https://groups.google.com/d/optout.
(RequestFactory) Searching for issue related to http://bit.ly/SldSlF
Hello, I'm searching for issue that is related to: http://stackoverflow.com/questions/12977922/gwt-requestfactory-performance-suggestions .Does anyone could point me to it cause I couldn't find it. Regards, Miroslav -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/A_YUy1zKAWkJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
textbox focus is not working as expected on IE8
Hello, It seems that focus is not working as expected on IE8. Does anyone has an idea why FocusImpl is using FocusImplIE6 when ie8 when FocusImplStandard seens more reasonable as described in: http://stackoverflow.com/questions/1326993/jquery-focus-sometimes-not-working-in-ie8 -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/m14BikMiHjIJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: RequestFactory default wire format specification
:) I see.
My question was related to documentation, because I've heard you to say
that some RF parts are working by design, so I was wondering where there
is a such a document, that describes it. I know that GWT project has some
Wiki pages about RF, but non of them is explaining in details the format of
the request/response messages.
I'm digging into the source, to find out how the things are working and to
find a way to make some optimization on the server side, cause It's really
slow. 50 small entities are serialized in ~10 seconds on GAE, where with
GSON, the serialization takes 300 ms. I made profiling of a simple request
that doesn't accept any parameters and returns 50 entities.
Here is the test code that is making the request and measures the request
time:
public void testMethodReturningLargeDataSet() {
delayTestFinish(DELAY_TEST_FINISH);
SimpleFooRequest request = simpleFooRequest();
final long start = System.currentTimeMillis();
request.returnValueProxies().to(new ReceiverListSimpleValueProxy() {
@Override
public void onSuccess(ListSimpleValueProxy response) {
long end = System.currentTimeMillis();
System.out.println(Size: + response.size() + Time: + (end -
start) + ms);
}
}).fire();
}
Result time of this test is: Size: 50 Time: 1336 ms, where with gson, the
serialization time of this 50 objects is ~ 300 ms which means that RF is 4
times slower then the simple json serialization.
The profiler is saying that: SimpleRequestProcessor.process method is
taking 58% of the processing time, where:
createReturnOperations - 20%
- EntityCodex.encode 10%
- AutoBeanUtils.getAllProperties() 4%
- setTypeToken - 2%
- Other invocations - 3%
processInvocationMessages - 37%
- resolveClientValue - 28%
- ServiceLayerDecorator.invoke (Service method invocation) - 1 ms (0%)
- EntityCodex.encode - 9%
Thomas, do you have any thoughts about some optimizations of RF ?
On Tuesday, March 27, 2012 12:14:11 PM UTC+3, Thomas Broyer wrote:
The specification is the code ;-)
Have a look at the com.google.web.bindery.requestfactory.shared.messages.*
classes for the payload data, and the AbstractRequestContext and
SimpleRequestProcessor for how their semantics.
In the ResponseMessage, there will either be general failure (causes
onFailure to be called on all Receivers, including most importantly the
global one, optionally passed to the fire() method of the
RequestContext), violations (same as a general failure, but
onConstraintViolations will be called instead of onFailure) or all three of
operations, status codes and invocation results (actually, status codes and
invocation results go by pair, and either one of operations or
status-codes/invocation-results could be empty, but I don't think they
could both be). Operations are data about proxies (have they been
created/updated/deleted, along with their properties, as requested by the
with() on the Requests); status codes gives the result/failure status of
each method invocation (will trigger either onSuccess or onFailure of the
Receiver associated with the method invocation) and invocation results
(paired to the status codes by their index in the lists) will be either a
ServiceFailureMessage (passed on onFailure) or the result (passed to
onSuccess), depending on the status code.
On Monday, March 26, 2012 10:11:20 PM UTC+2, Miroslav Genov wrote:
Hello,
Does anyone knows where there is a specification of the wire format which
RF is using by default ?
Regards,
Miroslav
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RequestFactory with JsonRpc
Hello,
Was wondering where anyone is using RequestFactory with JsonRpc ?
I'm trying to get it working, due performance issue with the standart
serialization of RF, but the RfValidator complains with: The type
JsonRpcRequestContext must be annotated with Service, ServiceName, or
JsonRpcService. The strange part is that my RequestContext already have
it:
public interface JsonRpcRequestFactory extends RequestFactory {
@JsonRpcService
public interface JsonRpcRequestContext extends RequestContext {
@JsonRpcWireName(value = findAll)
RequestListSimpleJsonRpcProxy findAll();
}
JsonRpcRequestContext simpleRequest();
}
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RequestFactory default wire format specification
Hello, Does anyone knows where there is a specification of the wire format which RF is using by default ? Regards, Miroslav -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/NVR1QlaKRrcJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: RequestFactory takes long time to handle responce
Forgot to mention that the my version of GWT is 2.4.0 -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/IfsM6uHF6DAJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: RequestFactory takes long time to handle responce
Hello Thomas, I added some more logging statements to my code (doPost method and in the ServiceLayerDecorator) and here are the results: 2011-10-23 20:04:17.441 invoke executed in: 12 ms 2011-10-23 20:04:17.805 getProperty executed in: 0 ms 2011-10-23 20:04:19.273 - (all getProperty invocations are with 0ms time), i.e ~2 seconds lost in get property invocations Total time in do post: doPost executed in: 3736 ms Where my own code execution time is from: 2011-10-23 20:04:17.428 to 2011-10-23 20:04:17.441 i.e 20 ms Any other ideas ? -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/MApKbrp8ok8J. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: RequestFactory takes long time to handle responce
It seems that GWT-RPC is working correctly, cause I have another part of my code which is retrieving the same list of entities with the same properties using GWT-RPC and the whole request is executed in: ~50ms I think that there is a big performance bottleneck in RF's response handling. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/4j2bVjNL1OIJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: RequestFactory takes long time to handle responce
Does anyone has encountered a similar issue ? -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/QTJYzZC2NxMJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GWT 2.4 Spring Integration Using RequestFactory
I made similar thing with Guice. You can take a look at: https://github.com/mgenov/injecting-request-factory -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/tPvgp_pwg2EJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Request Factory: Sending same proxy twice with different requests is causing changes to be dismissed
I’m encountering an issue that is causing client side changes to be not sent
when same entity proxy is sent for the second time to the server. My
workflow is looking like:
- load customer
- edit customer in editor
- preview customer changes
- save customer
The problem is that the request sent to the server when save operation is
invoked doesn’t send any customer changes that where made in the editor.
Loading our existing customer
customerRequest().findCustomerById(customerId).toReceiver(new Receiver() {
public void onSuccess(CustomerProxy customerProxy) {
CustomerRequest customerRequest = rf.customerRequest();
customerRequest.previewCustomer(customerProxy).toReceiver(new Receiver()
{
public void onSuccess(String customerPreview) {
display.renderCustomerPreview(customerPreview);
}
});
editor.edit(customerRequest, customerProxy);
}
}
}).fire();
Preview customer changes (response is a HTML generated content that is
displayed in a HTML widget)
@UiHandler(“previewCustomer”)
public void onPreviewCustomer(ClickEvent event) {
RequestContext previewCustomer = editor.flush();
previewCustomer.fire();
}
Save customer changes (here is the issue, the customer no longer contains
changes that where set in the editor and the request that was sent to the
server doesn’t contains any changed elements)
@UiHandler(“saveCustomer”)
public void onSaveCustomer(ClickEvent event) {
CustomerRequest customerRequest = rf.customerRequest();
customerRequest.edit(customer);
customerRequest.persistCustomer(customer).toReceiver(new Receiver() {
public void onSuccess(Void void) {
}
}).fire();
}
In debug I can see the changes that are in the CustomerProxy before fire()
of the requestContext is invoked, but the generated JSON that is sent to the
server doesn’t contains any of these changes.
If I make a copy of the entity, the changes are sent, but the problem is
that my CustomerProxy contains many inner object and I have to make a huge
proxy copying, which is bad, cause when I add a new property to the proxy, I
have to add a logic that copies it.
Any idea how this issue could be resolved ?
btw, The version of GWT which I’m using is GWT 2.4.0.RC1
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Re: Aw: Request Factory: Sending same proxy twice with different requests is causing changes to be dismissed
I don't think that I could append RequestContext to another RequestContenxt which was already sent to the server. I thought that append() method is used for appending several RequestContext invocations into a single http round trip. I'm I right about this? -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/paZEAAdOaHYJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Aw: Request Factory: Sending same proxy twice with different requests is causing changes to be dismissed
Thomas, do you have any idea how this issue could be resolved? I'm still thinking that there should be some solution, cause load-edit-preview-save is a common workflow for document based application. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/6NAw8WM22zEJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Aw: Request Factory: Sending same proxy twice with different requests is causing changes to be dismissed
I made that change in my example app and I'm encountering the same issue. Here is the commit of my change, also you can checkout the project and run it in hosted mode to see how the things are going. https://github.com/mgenov/injecting-request-factory/commit/e18e3bbaa70790935c77dc6be2ed5b5ee17ad350 Here is what I'm doing: Change name of the customer to: newname Hit preview button: Alert is displayed with newname After that when I click the save button, then the server receives customer1, which is the original name of the customer that comes from the database (in my case my In memory implementation). -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/u3VMVIl_UsgJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Aw: Request Factory: Sending same proxy twice with different requests is causing changes to be dismissed
I just made a simple ant build script, so you could run the application directly, without any IDE setup. To run it you only have to set up your path to the GWT SDK and type: ant devmode Hope this will help. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/O6fzVoVbtykJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
MAC OS Lion: Hosted mode compilation succeed when Service class was renamed to ServiceFoo
Hello, I'm encountering strange issue when using GWT 2.4 RC1. When I compile my app (from Intellij IDEA) the code is compiled to JS and everything is working like a charm. The problem occurs when I try to use the hosted mode browser. Here is the error that is printed in the hosted mode console: ERROR: Errors in 'file:/Users/mgenov/Workspaces/idea/evoadm-current/src/com/evo/adm/service/shared/ServiceProxy.java'. ERROR: Line 4: Only a type can be imported. com.evo.adm.service.server.Service resolves to a package. ERROR: Line 13: Service cannot be resolved to a type. ERROR: Unable to find type 'com.evo.adm.contract.client.history.ContractHistoryViewWidget.ContractHistoryViewBinder'. ERROR: Hint: Previous compiler errors may have made this type unavailable. ERROR: Hint: Check the inheritance chain from your module; it may not be inheriting a required module or a module may not be adding its source path entries properly. Here is the package structure: service.server.Service service.shared.ServiceProxy also my module contains source definition for the shared folder. When I rename Service class to ServiceFoo, the page is displayed correctly in hosted mode too. Does anyone have an idea what can cause this issue? On the latest version of linux everything is working like a charm. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/k0A0xowLW2EJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: MAC OS Lion: Hosted mode compilation succeed when Service class was renamed to ServiceFoo
ops, forgot to mention the distribution name - ubuntu -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/CKRHWeTeevkJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: MAC OS Lion: Hosted mode compilation succeed when Service class was renamed to ServiceFoo
Now I just moved the Service class in the parent package ( service.Service ) and hosted mode is working like a charm. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/J1wy57lUfaEJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Dynamically editing list of ValueProxies with ListEditor
What version of GWT you are using ? What happens if you try something like: PhoneNumber p1 = request.create(PhoneNumber.class); PhoneNumber p2 = request.create(PhoneNumber.class); p1.setValue(234234234); p2.setValue(12312); p1.equals(p2) ? -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/ienKaIPryj4J. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: How to use Mockito for testing Async calls?
In my experience, using of mocking frameworks for testing of Async calls is
not so good and tests are becoming un-readable at some point of time. In our
app we are using Command Pattern to send different requests
(Action/Response) and here is our helper class that we are using for
testing:
public class FakeRpcService implements RpcServiceAsync {
public Action? lastAction;
public AsyncCallback? lastCallback;
public T extends Response void execute(ActionT action,
AsyncCallbackT async) {
lastAction = action;
lastCallback = async;
}
public T T lastAction() {
return (T) lastAction;
}
public void responsesWith(Response response) {
// SMELL private members of simple object are referencing template
members?
((AsyncCallbackResponse) lastCallback).onSuccess(response);
}
public void failsWith(RuntimeException e) {
((AsyncCallbackResponse) lastCallback).onFailure(e);
}
}
so our tests now are looking like:
@Test
public void exportSelectedInvoices() {
ListInvoiceDto invoices =
Lists.newArrayList(createInvoice(1,PaymentType.CASH));
// filter button was clicked
presenter.onReportRequested();
service.responsesWith(new GetInvoicesPeriodReportResponse(invoices));
presenter.onExportSelectedInvoices(new HashSetInvoiceDto());
GenerateAjurExportAction action = service.lastAction();
assertThat(the one selected invoice was not sent for
export?,action.getInvoices(), is(equalTo(invoices)));
service.responsesWith(new GenerateAjurExportResponse(test test));
assertThat(export response was not
displayed?,display.exportResponse,is(equalTo(test test)));
}
Hope this will help you figure out what's the best choice for you.
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Отг: Handling next and prev buttons of SimplePager ??
If you are using GAE cursors, then I'm mostly sure that they are forward only cursors. So if you want to make your pager working, you had to keep all received cursors in a list, to move back. So [page-1] - cursor null hit next [page-2] - cursor 1 hit previous [page-1] - cursor null [page-1] - cursor null hit next [page-2] - cursor 1 hit next [page-3] - cursor 2 hit previous [page-2] - cursor 1 (so when cursor2 is returned, you know how to move to page - 4, but don't know how to move to page 2. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/5trJtiumaH8J. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Отг: Re: Отг: Handling next and prev buttons of SimplePager ??
*If i am keeping track of cursors, and what if i click last page arrow button, then how do i get the last 20(assume) values ??* - If we are talking in GAE context, in order to do that, you have to have a reference to the last cursor. I don't think that there is a way on GAE to retrieve the last cursor, so you can create a work-around over this by using a background task which iterates over list of entities and store the first and the last cursor values when new entity is added or existing is updated. I don't think that this is a good idea, because if you have a millions of rows then you have to use tons of CPU time to end this job, and the data that user sees will be in inconsistent state. Why the people that are using your app are going to use that functionality ? I think that simple text search could help them to lookup for the thing that they are looking or maybe some kind of filter to filter data rows. - If are talking about SQL database, then I'm not sure why you ever have to use cursors at all. *if i click prev arrow button then how do i display the last page(here i am understanding that pager holds the previous data so no need of call to the server).* - You can keep a reference to the last cursor position. To be honest, I'm not sure that GWT page functionality is made for GAE or any other datastore that is using cursors. Just pagination and cursors don't fit well together. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/mpY5P6bG2bwJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Отг: Do Beanvalidation(JSR-303) and editor framework play along well ?
Yeah, in 2.3 validation is a little bit broken, cause it was fully
refactored after GWT 2.2. The things are working well in GWT 2.4-rc1 I
think.
DynaTableRf contains a nice validation example. To check whether JSR-303 is
working, just check that demo project but don't forget to remove this
validation check from PersonEditorWorkflow.java
// Check for errors
if (editorDriver.hasErrors()) {
dialog.setText(Errors detected locally);
// return;
}
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GWT 2.3 - ie8 user agent is recognized as ie6
Hello, I'm encountering a strange issue which is causing IE8 user agent to be recognized as IE6. My app is compiled with: set-property name=user.agent value=ie8 / And my page contains the following definition: meta http-equiv=X-UA-Compatible content=IE=8 But when I compile my app to js, the browser is showing alert that version of my app is for ie8, but my browser version is ie6, but my version of IE is 8.0.6001 and also the compatibility mode is disabled. Any idea what is causing this issue ? Also there is and another issue. If I have multiple user agents, the application generates only permutations for the latest one that is specified. Any idea how can I specify several permutations to be created ? set-property name=user.agent value=ie8 / set-property name=user.agent value=safari / // only safari is generated set-property name=user.agent value=ie8, safari / // fails If I use the following definition, the UserAgentGenerator fails with BadPropertyValueException -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/9O5cGW7y3TwJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Отг: GWT 2.3 - ie8 user agent is recognized as ie6
Here is header information that comes from my browser: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322) -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/Zo-IJrWyLTMJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Broken editor type conversions in GWT trunk r10227
Hello,
I'm trying to use trunk version of GWT but I'm encountering some conversion
issues with the Editor framework.
Caused by: java.lang.ClassCastException: java.lang.Integer cannot be cast to
java.lang.String
at
com.google.gwt.text.shared.testing.PassthroughRenderer.render(PassthroughRenderer.java:1)
at
com.google.gwt.user.client.ui.ValueBoxBase.setValue(ValueBoxBase.java:394)
at
com.google.gwt.user.client.ui.ValueBoxBase.setValue(ValueBoxBase.java:389)
at
com.google.gwt.editor.ui.client.adapters.ValueBoxEditor.setValue(ValueBoxEditor.java:106)
at com.google.gwt.editor.client.impl.Refresher.visit(Refresher.java:45)
at com.google.gwt.editor.client.impl.Initializer.visit(Initializer.java:49)
at
com.google.gwt.editor.client.impl.AbstractEditorContext.traverse(AbstractEditorContext.java:128)
at
com.clouway.requestfactory.app.client.CustomerEditor_RequestFactoryEditorDelegate.accept(CustomerEditor_RequestFactoryEditorDelegate.java:54)
at
com.google.gwt.editor.client.impl.AbstractEditorContext.traverse(AbstractEditorContext.java:129)
at
com.clouway.requestfactory.app.client.CustomerEditorWorkflow_DriverImpl.accept(CustomerEditorWorkflow_DriverImpl.java:6)
at
com.google.gwt.editor.client.impl.BaseEditorDriver.doEdit(BaseEditorDriver.java:92)
at
com.google.web.bindery.requestfactory.gwt.client.impl.AbstractRequestFactoryEditorDriver.edit(AbstractRequestFactoryEditorDriver.java:178)
The AbstractEditorDriverGenerator is generating different
AbstractEditorContext for each property of the entity, so the following
declaration:
@UiField
ValueBoxEditorDecoratorInteger age;
Age:
e:ValueBoxEditorDecorator ui:field=age
e:valuebox
g:TextBox/
/e:valuebox
/e:ValueBoxEditorDecorator
generates AbstractEditorContext for age field as
@Override public Class getEditedType() { return java.lang.Integer.class;
}
@Override public java.lang.Integer getFromModel() {
return (parent != null true) ? parent.getAge() : null;
}
And here is the problem, the TextBoxBase class is using the default
PassthroghtParser (of type String)
protected TextBoxBase(Element elem) {
super(elem, PassthroughRenderer.instance(), PassthroughParser.instance());
}
which is causing the provided exception. Any idea how I can make it working
?
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[gwt-contrib] Отг: Re: Broken editor type conversions in GWT trunk r10227
Ah my mistake. Sorry about that post, but I wasn't sure where the problem is with my usage or some GWT issue. Thats why I posted it on both groups. -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
RequestFactory updating issue: update entity which has fields that are not listed in the proxy interface
Hello,
I'm encountering an issue with RequestFactory when I'm trying to update an
entity which has properties that are not listed in the proxy objects. For
example, in my case I have the following structure:
Contract
String contractCode; // gets/sets
String serviceName; // gets/sets
Date installationDate // get/sets - updated from external service, not
from the UI
ContractProxy {
String contractCode; //gets/sets
String serviceName; //gets/sets
}
and we have a service class ContractService:
public class ContractService {
@Transactional
public void updateContract(Contract contract) {
dataStore.get().storeOrUpdate(contract); // twig-persist dataStore
object (GAE)
}
}
So, the problem is that when contract is updated, the installationDate is
set to null, cause RF's ContractProxy-Contract transformation doesn't have
any information about that installation date. Was wondering how you guys are
handling this situations ?
I know that It could be done by copying and updating some of the properties,
but why I have to use RF, when I have to do it manually ?
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Отг: Re: RequestFactory updating issue: update entity which has fields that are not listed in the proxy interface
I just wrote a small test in my sample project injecting-request-factory that explains for what I'm talking about. Here is the commit of changes: https://github.com/mgenov/injecting-request-factory/commit/c7855f9bca9ae07982d7298af63350c697f2582b Here is the source code of the test: https://github.com/mgenov/injecting-request-factory/blob/c7855f9bca9ae07982d7298af63350c697f2582b/test/com/clouway/testing/requestfactory/UpdateExistingEntityTest.java Can you take a look whether I'm doing something wrong ? -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Отг: Re: RequestFactory updating issue: update entity which has fields that are not listed in the proxy interface
I think that I found where is the problem. The problem is that I'm
initializing my id locally and RF is checking whether you are doing that by
using the EPHEMERAL placeholder.
/**
* A placeholder value for {@link #clientId} to indicate the id was not
* created locally.
*/
public static final int NEVER_EPHEMERAL = -1;
So I have to load object first then I have to update it. The following
change makes the things working:
CustomerRequestFactory.CustomerRequest request = rf.customerRequest();
request.findCustomer(1l).to(new ReceiverCustomerProxy() {
@Override
public void onSuccess(CustomerProxy entity) {
CustomerRequestFactory.CustomerRequest editRequest =
rf.customerRequest();
entity = editRequest.edit(entity);
entity.setName(test test);
entity.setVersion(2l);
editRequest.store(entity).to(new ReceiverVoid() {
@Override
public void onSuccess(Void response) {
}
}).fire();
}
}).fire();
Are there are any workarounds which I can use to lie RF that request was
loaded ?
In my case object is loaded as in the example, but proxy values are copied
from one proxy to another due some old bugs with RF Editor integration. It
seems that this copy functionality is broking everything.
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Attaching custom AutoBeanVisitor in the RequestFactoryServlet
Does anyone knows if there are some plans RequestFactoryServlet to support adding of custom AutoBeanVisitor to the existing MessageFactory ? -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GWT 2.2 and gwt-maps.jar not compatible
You made a new build of gwt-maps ? -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: CellTable and GAE Datastore cursors
I think that they are not suitable each other, due the lack of rewind of datastore cursors, i.e you can seek to the next offset but you are not allowed to move back. To do that you have to make some kind of hack that keeps all previous cursor positions. For more information about paging you can take a look at http://sites.google.com/site/io/building-scalable-web-applications-with-google-app-engine (Slide 33-34). -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GWT - Basic RequestFactory example
Hello, Are you sure that all jar from lib folder are added in your classpath ? It seems that guice-servlet-3.0-rc1.jar is missing. Also you can check whether you have only one version of guice in your classpath. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GWT - Basic RequestFactory example
In my example, dependency injection is used over the server side service classes, so I can inject into them other classes using DI. This gives me the ability to test my services in isolation and also few more advantages such as scopes and etc. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GWT - Basic RequestFactory example
I had a small sample project that could help: https://github.com/mgenov/injecting-request-factory I don't know how simple is it, but it may help you some how. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GWT Session Handling - user HTTP Session or own solution?
Sounds well. Also you can use a cache layer over your database to slow down the latency of your database requests. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GWT Validation Framework
You can take a look into DynatableRf example that comes with the SDK. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Compressing JSON?
Are you sure that you have to transfer such amount of data to your client ? Have you considered some kind of data separation or maybe some pagination technique ? If you are returning so much data, this means that your users have to look into that data, which in most cases takes a lot of time. On 12/23/2010 02:40 PM, shahid wrote: My application uses .NET C# on the server side and GWT on the client side/UI. I use JSON to interchange data between the UI and the server and the server application is served by IIS 7. There are situations when my JSON gets bigger and it causes a delay in UI display. Is there a way that I can compress/decompress JSON and would that be any helpful? -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Compressing JSON?
Why you have to render trend on the client side ? You probably could ask the server to render graphic as image, then you could render it using Image widget ? This is just an idea, I don't know whether this is possible in your case. -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: Why does GWT+JUnit take so long to start?
I suggest you to take a look into MVP pattern. It will speed things up. About the UI interface and visualization, you can take a look into a webdriver or selenium. Both of them may test user interactions with the UI. On 27.7.2010 г. 09:53 ч., Felipe Baytelman wrote: I'm implementing a big project using TDD, but it's becoming a real pain: JUnit takes 2 minutes to start the first test (basically, setting up). Is there a way to speed up JUnit with GWT? Thanks in advance, --Felipe Baytelman -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: GWT / GIN: Adding user class to all presenters
Hello,
You can bind User object to a singleton provider that is retrieving user
information. Here is what we are doing in one of our projects:
public class UserInfo {
public static UserInfo with(String email, String firstname, String
surname, String family) {
UserInfo info = new UserInfo();
info.email = email;
info.firstname = firstname;
info.surname = surname;
info.family = family;
return info;
}
private UserInfo() {
}
private String email;
private String firstname;
private String family;
private String surname;
public String getEmail() {
return email;
}
public String getFirstname() {
return firstname;
}
public String getFamily() {
return family;
}
public String getSurname() {
return surname;
}
}
and also we have a provider class:
public class UserInfoProvider implements ProviderUserInfo {
public UserInfo get() {
Dictionary userInfoDict = Dictionary.getDictionary(userInfo);
String email = userInfoDict.get(email);
String firstname = userInfoDict.get(firstname);
String surname = userInfoDict.get(surname);
String family = userInfoDict.get(family);
UserInfo userInfo = UserInfo.with(email, firstname, surname, family);
return userInfo;
}
}
As you can see the provider is retrieving user information using
Dictionary provided by GWT. Currently our main page is rendering user
information as an in-line json that looks as follow:
script language=JavaScript
var userInfo = {
email: johnu...@somedomain.com,
firstname: John,
surname: ,
family: Smith
}
/script
And finally we are adding binding to the provider class:
bind(UserInfo.class).toProvider(UserInfoProvider.class).in(Singleton.class);
// we are binding it as a singleton, cause we don't want to instantiate
new UserInfo object each time when user info have to be rendered.
And here is a sample usage:
public class UserDetailsEditor {
@Inject
public UserDetailsEditor(UserInfo userInfo) {
}
}
Regards,
Miroslav
On 06/29/2010 06:23 PM, jmccartie wrote:
I have a hazy understanding of GIN, but have it working for injecting
presenters, etc.
I'm trying to inject a self-made User class into all my presenters
in order to get the currently logged-in user.
I've added @Inject to the constructor on my User class, and added User
to my GIN module ... but apart from that, I'm totally lost. Do I bind
it to my app presenter (tried that, but I get an error since User
doesn't extend my AppPresenter)? As a singleton? Is this even the
right way to get pass this data around?
I hate to post this here (not looking for free homework), but I can't
find a decent tutorial/example on this anywhere else.
Much thanks in advance.
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Re: Adding widgets to PagingScrollTable
If you have to use dynamic images, then you have to ask the server for a
proper image to display it with Image.
For example:
String avatarUrl = userProfile.getAvatarUrl(); // it may point to
http://myserver.com/avatar?id=101
Image avatar = new Image(avatarUrl);
but if you want to use a static image resources, then you can take a
look into http://code.google.com/p/google-web-toolkit/wiki/ImageResource.
Regards,
Miroslav
On 06/19/2010 05:52 PM, seakey wrote:
Hi,
I would like to add some gwt-widgets (e.g. like images) to
PagingScrollTable from google-web-toolkit-incubator. If my
understanding of it is correct, there must be an attribute in my
object for each cell of a row. So, if want to have widgets in my
table, there must be an attribute for this widget, i.e. there must be
something like
public Image getImage() {
return image;
}
public void setImage(Image image) {
this.image = image;
}
in my class.
But now, if I intend to serialize it via RPC, I get a
SerializationException, because Image isn't serializable.
So, isn't it possible, to add widgets to PagingScrollTable (with RPC-
stuff)? Or is there another way to do this?
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Re: SuggestBox: how to change suggestions sort order?
You have to extend SuggestOracle and to implement your own Oracle that is sorting your results as you like. Regards, Miroslav forewar wrote: Still cant find a solution. Is it possible at all? -- You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
Re: gwt-dispatch + how to access request.getRemoteAddr()
Hello,
If you wanna do this probably you would have to patch gwt-dispatch a
little bit. But I'm not at 100% sure about that, cause I'm not familiar
with that library.
Guice Servlet allows injections of HttpServletRequest and
HttpServletResponse classes in case your class is scoped to the request,
i.e annotated with @RequestScoped or bounded to the RequestScope. More
information can be taken from:
http://code.google.com/p/google-guice/wiki/ServletModule at heading
Available Injections.
Everything is looking perfect until you take a look at the
ActionHandlerModule (located in the gwt-dispatch library)
http://www.google.com/codesearch/p?hl=en#TaNPybfe7cM/trunk/src/main/java/net/customware/gwt/dispatch/server/guice/ActionHandlerModule.javaq=ActionHandlerModulesa=Ncd=1ct=rc
and more closely in the bindHandler method which currently has the
following implementation:
protected A extends ActionR, R extends Result void bindHandler(
ClassA actionClass,
Class? extends ActionHandlerA, R handlerClass ) {
bind( ActionHandlerMap.class ).annotatedWith(
UniqueAnnotations.create() ).toInstance(
new ActionHandlerMapImplA, R( actionClass,
handlerClass ) );
}
As you can see the ActionHandlerMap class is not bound to any scope
which means that you are not allowed to inject HttpServletRequest and
HttpServletResponse in your handler classes.
Hope that this information will help you to solve this issue.
Regards,
Miroslav
mariyan nenchev wrote:
I don't think i understand you. I need to use getRemoteAddr() in my
execute method (from gwt-dispatch).
On Sun, Jan 3, 2010 at 3:20 PM, philippe vonck...@yahoo.fr
mailto:vonck...@yahoo.fr wrote:
You can used a simple http filter.
On 3 jan, 12:46, mariyan nenchev nenchev.mari...@gmail.com
mailto:nenchev.mari...@gmail.com wrote:
Hi,
I am using gwt-dispatch to implement my GWT-RPC calls. I need to
get the
remote address from the http request. But i don't have access to the
request. With direct gwt rpc i would use
getThreadLocalRequest().getRemoteAddr, but how to do it with
gwt-dispatch?
For my session management i use ProviderHttpSession
sessionProvider. May
be the same for HttpRequest?
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Re: gwt-dispatch + how to access request.getRemoteAddr()
Cool :)
I think that such usage is okay.
Regards,
Miroslav
mariyan nenchev wrote:
Thanks!
I tried to inject ProviderHttpServletRequest and it worked, but i'm
not sure if this is the right approach. Hupa project for example
injects ProviderHttpSession and uses it for session management. May
be i have to look at the implementation, because it is like some magic
at this moment :).
On Sun, Jan 3, 2010 at 6:12 PM, Miroslav Genov mgenov.j...@gmail.com
mailto:mgenov.j...@gmail.com wrote:
Hello,
If you wanna do this probably you would have to patch gwt-dispatch a
little bit. But I'm not at 100% sure about that, cause I'm not
familiar
with that library.
Guice Servlet allows injections of HttpServletRequest and
HttpServletResponse classes in case your class is scoped to the
request,
i.e annotated with @RequestScoped or bounded to the RequestScope. More
information can be taken from:
http://code.google.com/p/google-guice/wiki/ServletModule at heading
Available Injections.
Everything is looking perfect until you take a look at the
ActionHandlerModule (located in the gwt-dispatch library)
http://www.google.com/codesearch/p?hl=en#TaNPybfe7cM/trunk/src/main/java/net/customware/gwt/dispatch/server/guice/ActionHandlerModule.javaq=ActionHandlerModulesa=Ncd=1ct=rc
http://www.google.com/codesearch/p?hl=en#TaNPybfe7cM/trunk/src/main/java/net/customware/gwt/dispatch/server/guice/ActionHandlerModule.javaq=ActionHandlerModulesa=Ncd=1ct=rc
and more closely in the bindHandler method which currently has the
following implementation:
protected A extends ActionR, R extends Result void bindHandler(
ClassA actionClass,
Class? extends ActionHandlerA, R handlerClass ) {
bind( ActionHandlerMap.class ).annotatedWith(
UniqueAnnotations.create() ).toInstance(
new ActionHandlerMapImplA, R( actionClass,
handlerClass ) );
}
As you can see the ActionHandlerMap class is not bound to any scope
which means that you are not allowed to inject HttpServletRequest and
HttpServletResponse in your handler classes.
Hope that this information will help you to solve this issue.
Regards,
Miroslav
mariyan nenchev wrote:
I don't think i understand you. I need to use getRemoteAddr() in my
execute method (from gwt-dispatch).
On Sun, Jan 3, 2010 at 3:20 PM, philippe vonck...@yahoo.fr
mailto:vonck...@yahoo.fr
mailto:vonck...@yahoo.fr mailto:vonck...@yahoo.fr wrote:
You can used a simple http filter.
On 3 jan, 12:46, mariyan nenchev nenchev.mari...@gmail.com
mailto:nenchev.mari...@gmail.com
mailto:nenchev.mari...@gmail.com
mailto:nenchev.mari...@gmail.com wrote:
Hi,
I am using gwt-dispatch to implement my GWT-RPC calls. I
need to
get the
remote address from the http request. But i don't have
access to the
request. With direct gwt rpc i would use
getThreadLocalRequest().getRemoteAddr, but how to do it with
gwt-dispatch?
For my session management i use ProviderHttpSession
sessionProvider. May
be the same for HttpRequest?
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Re: listbox that contains widgets instead of just text..
Ops. My mistake, wrong answer of the right question :).
Sorry about that.
So I think that you could define your own custom widget that is using
several existing widgets that are looking similar to that you wanna
build.
You could extend the Composite widget and to combine other several
widgets together on it. Here is some example that would make the things
more clear (note that code is not compiled and may contains some
mistakes):
public class MyListBox extends Composite {
private Button showListButton = new Button();
private MyListBoxListItemsView items = new MyListBoxListItemsView();
private HorizontalPanel container = new HorizontalPanel();
public MyListBox(MyObject[] items) {
initWidget(container);
showListButton.setStyleName(myListBoxButton); // set background
image and etc
this.items.addAll(items);
showListButton.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent e) {
if (!items.showed()) {
items.showList();
} else {
items.hideList(); // second button click have to hide list
items
}
}
})
container.add(items);
container.add(showListButton);
}
}
and so on.
Hope this will help you to solve your issue.
Also You can look at the showcase example:
http://gwt.google.com/samples/Showcase/Showcase.html
You could use Basic Popup for showing and hiding list items to the
user.(i.e in my example:showListButton could show and hide the Basic
Popup widget with rendered items)
Another option would be using of existing js widget and binding them
through JSNI, but I think that it's a little bit harder then using GWT's
widget library.
Regards,
Miroslav
On Fri, 2009-12-04 at 20:48 -0800, Jaimon wrote:
hi, thanks for the help :-) really learned something.
but my problem is more UI related, i would like to have something that
looks like dropdown and inside there are widgets.
sorry if my question was not clear..
me
On Nov 20, 7:44 am, Miroslav Genov mgenov.j...@gmail.com wrote:
Hello,
You could use MVP to make things much easier and to make client code to
use only objects instead of primitive widgets such as listbox.
Here is some example that could make things more clear:
// this class should be used by your code
class CustomerListBox {
interface Display {
void addListBoxItem(String item);
void removeListBoxItem(Integer index);
//.
Integer getSelectedItemIndex();
}
private final Display display;
private final ListCustomer customers = new ArrayListCustomer();
public CustomerListBox(Display display) {
this.display = display;
}
public void addCustomer(Customer customer) {
display.addListBoxItem(customer.getCustomerName());
customers.add(customer);
}
public Customer getSelectedCustomer() {
return customer.get(display.getSelectedItemIndex());
}
public void go(HasWidgets parent) {
parent.add((Widget)display);
}
}
class CustomerListBoxDisplay extends Composite implements
CustomerListBox.Display {
private ListBox listBox = new ListBox();
public CustomerListBoxDisplay() {
initWidget(listBox);
}
public Integer getSelectedItemIndex() {
return listBox.getSelectedIndex();
}
// and etc
}
CustomerListBox customerListBox = new CustomerListBox(new
CustomerListBoxDisplay());
customerListBox.addCustomer(new Customer(1));
customerListBox.addCustomer(new Customer(2));
Customer selectedCustomer = customerListBox.getSelectedCustomer();
and etc
Hope this would help.
Regards,
Miroslav
On Thu, 2009-11-19 at 14:05 -0800, Jaimon wrote:
hi,
i have need to create a listbox/drop down that create something other
then just plain text,
can some one show me how to do it? or tell me if it is possible to do
it?
regards
Me
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Re: listbox that contains widgets instead of just text..
Hello,
You could use MVP to make things much easier and to make client code to
use only objects instead of primitive widgets such as listbox.
Here is some example that could make things more clear:
// this class should be used by your code
class CustomerListBox {
interface Display {
void addListBoxItem(String item);
void removeListBoxItem(Integer index);
//.
Integer getSelectedItemIndex();
}
private final Display display;
private final ListCustomer customers = new ArrayListCustomer();
public CustomerListBox(Display display) {
this.display = display;
}
public void addCustomer(Customer customer) {
display.addListBoxItem(customer.getCustomerName());
customers.add(customer);
}
public Customer getSelectedCustomer() {
return customer.get(display.getSelectedItemIndex());
}
public void go(HasWidgets parent) {
parent.add((Widget)display);
}
}
class CustomerListBoxDisplay extends Composite implements
CustomerListBox.Display {
private ListBox listBox = new ListBox();
public CustomerListBoxDisplay() {
initWidget(listBox);
}
public Integer getSelectedItemIndex() {
return listBox.getSelectedIndex();
}
// and etc
}
CustomerListBox customerListBox = new CustomerListBox(new
CustomerListBoxDisplay());
customerListBox.addCustomer(new Customer(1));
customerListBox.addCustomer(new Customer(2));
Customer selectedCustomer = customerListBox.getSelectedCustomer();
and etc
Hope this would help.
Regards,
Miroslav
On Thu, 2009-11-19 at 14:05 -0800, Jaimon wrote:
hi,
i have need to create a listbox/drop down that create something other
then just plain text,
can some one show me how to do it? or tell me if it is possible to do
it?
regards
Me
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Re: GWT, MVP a beginner's question
Hello,
How you test the following snippet ?
The following snippet is not following the Law of Demeter and I'm not
sure that such usage is correct, because in your test if have to mock
the display, the MyReusablePanel and the Display of MyReusablePanel.
Regards,
Miroslav
Dave Pinn wrote:
You would typically have one presenter and one view for each discrete
part of the page. The idea is to componentise the parts of the page so
that they can be re-used in a variety of contexts; for example: you
might have a page navigation sub-panel that gets used on several
pages.
To re-use your panel do something like this:
public MyContainingPresenter(MyContainingPresenter.Display
display, MyReusablePanel subPanel) {
...
display.setSubPanel(subPanel.getDisplay().asWidget()).
...
}
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Re: MVC and JUnit - how to handle handlers?
You could create a mock view which is listening for such events. For
example:
class MockAddressView implements AddressView,
HasValueChangeHandlers... {
..
}
and in your test:
testUpdateUserDataNotifiesViewThatUserDataHasBeenUpdated() {
HandlerManager eventBus = new HandlerManager();
AddressModel model = new AddressModel (eventBus);
final MockAddressView view = new MockAddressView(eventBus);
view.addValueChangeHandler(new ValueChangeHandler() {
void onValueChange(ValueChangeEvetString event) {
view.notified = true;
}
});
model.updateUserData();
assertTrue(view.isNotified());
}
Regards,
Miroslav
corpios wrote:
I'm designing an application following the MVC pattern.
Each view have its own controller and model.
The view know about the model and the controller. The controller know
about the model.
The Observer pattern is used to handle the model - view relation. The
model notifies the view about changes in the model.
When I try to unit test the application logic, i.e the controller and
model, then I face a problem with the changehandlers. The model will
try to update the view, but there is no view to update.. and as a
result a NullPointerException is thrown.
Does that tell me that I can't unit test application logic where the
model send notifications to its observers? Or is there a better way to
do this?
BR
Tor
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Re: GWT architecture MVP/EventBus (mentioned at Google I/O)
Using of
http://google-web-toolkit.googlecode.com/svn/javadoc/1.6/com/google/gwt/user/client/ui/HasWidgets.htmlis
a better idea. If HasWidgets interface is used then you can use the
presenter in a simple unit test without the extension of GWTTestCase cause
the Widget is provided to the HasWidgets's add method as an argument.
Regards,
Miroslav
On Tue, Jun 30, 2009 at 11:12 PM, Jason A. Beranek
jason.bera...@gmail.comwrote:
I've struggled with the go(RootPanel.get()) function as well, but
discounted the idea of casting my Presenter.Display interface to a
Widget as it removes an amount of type safety from the presenter and
somewhat defeats the purpose of having a nice generic Display
interface for the Presenter to interact with. One solution I've tried,
which I think is promising, is to add a method to the Display
interface that accepts the Panel object presented to the go function.
For example,
class ContactViewer{
interface Display {
...
void showDisplay( Panel panel );
}
...
public void go( Panel panel ) {
this.display.showDisplay(panel);
}
}
Using this method, a Widget based ContactViewer.Display can add itself
to the supplied Panel object and Mocks can ignore the parameter for
testing purposes. As showing the Display object would be part of UI
testing anyway, this shouldn't effect test cases for the Presenter.
Cheers,
Jason
On Jun 29, 4:19 pm, mabogie mabo...@gmail.com wrote:
check this out:
http://www.webspin.be/
I left out the model (Phone class here) and the command pattern, since
I'm not using it yet.
For your comment on the casting: I'm having trouble with that too.
When I want to attach the widgets to the root panel or whatever other
panel, I can't do anything but cast them. But nobody seems to have a
good solution...
On 29 jun, 23:13, Daniel Jue teamp...@gmail.com wrote:
Does anyone have a working MVP/Eventbus sample of something simple
like the PhoneEditor?
I don't think I'm doing it right. The code from the IO presentation
leaves out enough details so that I'm not sure what to do.
For instance, in my Presenter.class,
I have something like this:
public class Presenter {
...
private Display display;
interface Display {
HasClickHandlers getSaveButton();
HasClickHandlers getCancelButton();
HasClickHandlers getNumberField();
HasClickHandlers getLabelPicker();
}
void editPhone(Phone phone) {
this.phone = Phone.from(phone);
display.getNumberField().setValue(phone.getNumber());
display.getLabelPicker().setValue(phone.getLabel());
}
...}
Obviously, a HasClickHandlers object doesn't have a setValue method.
It doesn't feel like I should be casting to the widget here, since we
went through all the trouble of using the Display interface.
I started looking at Mvp4g, but it seems to go off on a tangent with a
code generation class to wire up presenters and views via xml.
http://code.google.com/p/mvp4g/
It's also intertwined with some mvc4g classes.
I just want something basic that works, so I can seed my project from
there. A minimalist, working command style RPC example would be nice
too.
Anyone? If you're in the DC area, I'll buy you a drink!
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Re: TextBox allow only numbers (gwt 1.6.4)
In GWT 1.6 old listener api has been deprecated and were introduced new event system which is using handlers. More information about your case can be taken from: http://google-web-toolkit.googlecode.com/svn/javadoc/1.6/com/google/gwt/event/dom/client/KeyPressHandler.html textBox.addKeyPressHandler and so on. Wish you good luck. Regards, Miroslav Dominik Erbsland wrote: I just saw that addKeyListener() is deprecated in gwt 1.6.4. Actually I just wanted to make a listener which checks the user input in a text box and allows only numbers. with gwt 1.6.4 I could not figure out how to do that since I should not use the keyboard listener anymore. any hints how I can check the input with the KeyUpHandler of gwt 1.6.4? thanks in advance. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: Client side vs Server side models
You don't have any problems to access client classes from server side code. Just put all your model classes into client package and use them in the persistence layer. Kwhit wrote: I'm building my first serious GWT app and am looking for a 'template' model to structure things. On the client side I need much the same objects to populate the UI as on the server side to handle persistence. Let's say I need Employee on the client side to edit employee details and then I need Employee on the server side to persist it. As I understand it client side objects must be located in the package client.* and persistent objects in ...server.*. Therefore I need two Employee.java files - with slightly different contents - the one on the client side acting more or less only as a value object. Have I got things right? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: Design pattern for db driven GWT application
Hello,
MVP or MVC may help you to solve this issue.
Here is some MVP solution that I'm using in one of my projects.
public interface CityDao {
void getAllCities(ApplicationCallbackListCity cities);
}
// may be tested without GWTTestCase
public class CityDaoRpc implements CityDao {
private MyCityServiceAsync service;
public CityDaoRpc(MyCityServiceAsync service) {
this.service = service;
}
public void getAllCities(ApplicationCallbackListCity cities) {
service.getAllCities(new AsyncCallbackListCity result) {
// dispatch onSuccess and onFailure
}
}
}
public interface CityListView{
void setSities(ListCity cities);
}
public class CityListViewWidget extends Composite implements CityListView{
public CityListViewWidget (CityDao dao) {
CitiesListPresenter presenter = new
CitiesListPresenter(new CityListModel(), this, dao);
// all user actions are redirected to the presenter
which may update the database and the model if it's necessary
presenter.onRowClicked(rowClicked)
}
}
public class CityListModel{
private ListCity cities;
get/setters
public void rowChanged(int row) {
//fire event to the coordinator or to the presenter
}
}
public class CitiesListPresenter {
public CitiesListPresenter (CityListModel model, CityListView,
CityDao dao) {
model.addCitiesUpdateHandler(new CityUpdateHandlerListCity()
{
void onCitiesUpdated(ListCity cities) {
updateCitiesView(cities);
}
}
dao.getAllCities(new ApplicationCallBackListCity() {
@Override
void onSuccess(ListCity result) {
model.setCities(result);
}
void onFail(Throwable t) {
// handle some kind of error or create an abstraction of
application class
}
}
}
public void onRowClicked(int row) {
model.setClickedRow(row);
}
private void updateCities(ListCity city) {
view.setCities(city);
}
}
Advantages
1. Separation of business logic from the view
2. Easy testing with jmock ( also the async callbacks -
http://www.jmock.org/gwt.html) without using of GWTTestCase
3. Code is low coupled and allows better reusing
4. Definition of a custom client side dao allows using of GWT-RPC, XML,
JSON at the same time or using of different implementation
5. Most of the code is testable without hosted mode browser, i.e. tests
are running fast
6. Views may communicate each other via custom business events -
CityChangeSelectionEvent and etc.
Disadvantages
1. Code gets bigger in size
2. Widgets are not tested. For this you are free to use GWTTestCase or
selenium. Both of them may help
3. Much more efforts for creation of unit tests
4. Much more classes. Much more module and etc, but it depends from the
size of your project.
Hope this will help you in some way.
btw: If anyone has some suggestions about the design of the code, please
let me know.
Regards,
Miroslav
Neo wrote:
Hi,
I am working on a database driven GWT application. Now, in my client
side I make RPC calls to basically fetch information from the
databse.
But the problem is that my client side code gets cluttered with RPC
calls and onFailure methods and onSuccess methods. Along with this my
UI code is also getting mixed up.
How can avoid this problem ?
I would like to put all my RPC calling logic in some sort of a
delegate class and let the delegate class return the values to my
Client class. But I doubt if that will work out as the return type of
the onSuccess method is void :(
To summerize, this is what I would like to have :
Client (Design Layout, Call delegate method)
Delegate (make RPC calls, return value to Client) -
Server (Implement DAO logic, return value to delegate)
Is it possible to achieve this sort of a design with GWT apps ?
Could you please suggest a suitable design pattern for GWT
applications so that the application can be maintained with ease in
future?
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Re: Navigation and Filtering
Hello, 1) GWT is java-to-javascript compiler which means that GWT is only client code, not server code. Here you are talking about the scope of the server. 2) Here I think that there are two options. The first one is to have a single page with history support of GWT for navigation where the second option is multiple pages which are including one or several GWT modules that are attaching widgets to some nodes of the generated DOM tree. 3) Server Issue. The choice is yours. Regards, Miroslav robin.muellerb...@googlemail.com wrote: Hi, I´m new to the GWT and made the Stockwatcher Tutorial yesterday. I´m actually developing JSF in an internship, but because of problems with Ajax I started evaluating GWT for our purposes. It would be nice if you could answer me some questions about the difference between JSF and GWT and if the GWT fits to our requirements. 1) As in JSF, is it possible to have the 'Beans' in scopes ? (Session, Application or Request) 2) Is it possible to define navigationrules ? In JSF, its possible to say if outcome on page one.jsp is 'yes', goto page two.jsp, else goto three.jsp. 3) Is there a possibilty to implement a Loginfilter so that the session of the users can be handled ? Thanks for your help in advance ! Best regards, Robin --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: GWT 1.6 Custom Event Handler
Maybe one of the following articles will help you: http://www.itsolut.com/chrismusings/?p=41 http://lemnik.wordpress.com/2009/03/04/gwts-new-event-model-handlers-in-gwt-16/ http://lemnik.wordpress.com/2009/03/12/using-event-handlers-in-gwt-16/ Regards, Miroslav Micky wrote: Seems like the Observer pattern is the best way to create this functionality On Apr 27, 5:16 pm, Kelo mcac...@gmail.com wrote: I wrote a post like yours asking for a guidance or something that it can explain how I can create my own handlers and events, and how I can make a drag drop using mouse handlers but my issue disappeared. On 27 abr, 17:55, Micky micky.johns...@gmail.com wrote: I’m building an application that is similar in layout to the Showcase example that is part of the GWT 1.6 install - there is central DeckPanel that contains a number of content widgets and only one of these widgets can be displayed at any one time. However, whereas the content widget being displayed in the Showcase example is controlled by the Tree on the left of the screen, my content widgets need to cause other content widgets to display. I’d like to be able to fire an event (e.g. ChangeContentWidgetEvent) from the content widgets and then have an application level handler manage the change in the DeckPanel. Do I need to create a custom event for this? If so, can someone provide some guidance or good articles on doing so? Is there a better approach to what I’m trying to do? Thanks. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Custom DialogBox with close button in tittle (GWT1.6)
Hello,
I have a problem with the DialogBox widget. I saw that there is a topic
about this in the mail list but it's for the older versions of GWT
(prior 1.6).
As I saw from the documentation and also at the source of the DialogBox
it seems that it's not possible adding of a widget to the title bar.
Thats why I tried to extend the dialog box and
to remove the old caption panel and to replace it with a new one. Here
is a snippet from my code that is doing this:
super();
Element td = getCellElement(0, 1);
DOM.removeChild(td, ((UIObject) getCaption()).getElement());
HorizontalPanel vp2 = new HorizontalPanel();
DOM.appendChild(td, vp2.getElement());
adopt(vp2);
vp2.setStyleName(Caption);
HTML label = new HTML(Нов Договор);
Button b = new Button(X);
b.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
NewSchoolContractDialog.this.hide();
}
});
vp2.add(label);
vp2.add(b);
vp2.setCellHorizontalAlignment(label, HasHorizontalAlignment.ALIGN_LEFT);
vp2.setCellHorizontalAlignment(b, HasHorizontalAlignment.ALIGN_RIGHT);
vp2.setWidth(100%);
Everything is looking as it has to but the problem is that the
CllickHandler isn't invoked when X button is clicked. I think that the
problem is caused by the original DialogBox. In the constructor of the
DialogBox there are few lines which are registering few mouse events to
the widget which probably is the reason that my handler is not working.
Does anyone know how can I solve it? (Or maybe some better solution,
because this acts as a hack).
Thanks in advance
Regards,
Miroslav
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Re: A thought about GWT project structure
Hello, Which means that you are using java as a server side language ? If yes, what library you are using for json ? Regards, Miroslav flyingb...@gmail.com wrote: Well my gwt project I seperated the client and server side. The main thing that is possible if it was one project is passing objects stright to the server. So my project use json to create objects when the client ask for stuff from the server. There might be ways to have the object passing but I not sure how to do that. On Apr 1, 12:27 pm, Ken kenxu...@yahoo.com wrote: In GWT recommended project structure, client code and server code are placed in one project. I find this structure is not so development- friendly in practice. (GWT 1.6 has some new update to the project structure to make it more like standard WAR project, but client and server code are still in one project.) Client code will be eventually compiled to Javascript and run on web browser. Server code will run on web server. These two parts of code shouldn’t reference to each other. The only connection between them should be the RPC interface (sub-interfaces of RemoteService) and DTOs (the Java objects get transmitted between client and server). Any attempt to let your widget reference to an RPC implementation Servlet or let the Servlet reference to a widget is wrong. However, your Java compiler (not GWT compiler) can not detect this kind of error, as these Java classes are all in the same project, and they are “allowed” to reference to each other. You can’t detect the error either in hosted mode, because client and server code run in same JVM in hosted mode. You only can find out half the issue when you call GWTCompiler (Compiler in GWT 1.6) to translate the client to Javascript. I say half because GWTCompiler only shows you the toxic references from client to server, but not the other way. A solution would be to have three projects instead of one: MyProjectRpc MyProjectGwt MyProjectWeb MyProjectRpc is a GWT module. It only contains RemoteService interfaces and DTOs. It has no UI or widgets. MyProjectGwt is your client module. It inherits MyProjectRpc, and contains widgets. MyProjectGwt’s Java build path includes MyProjectRpc. MyProjectWeb is your server project. It is a standard WAR project. Your RPC implementation servlets go here. Its Java build path includes MyProjectRpc. Therefore, both MyProjectGwt and MyProjectWeb reference to MyProjectRpc only. If your widgets incidentally reference to a servlet, Eclipse (Java compiler) will tell you right away. To make above solution work, you need to configure GWTCompiler to output to MyProjectWeb instead of the default folder www. (-out argument will do the job.) You also need to run your own web server for hosted mode instead of GWT’s internal Tomcat. (Pass –noserver to GWTShell.) There may be better way to do it. Please share your idea for a better project structure. I would appreciate if developers from Google could provide advice. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: Connecting GWT and PHP
Hello, Any of the following links may help you to find a way to do it: http://code.google.com/support/bin/answer.py?answer=65632topic=11368 http://code.google.com/support/bin/answer.py?answer=65632topic=11368 http://code.google.com/p/google-web-toolkit-doc-1-5/wiki/DevGuideHttpRequests Regards, Miroslav scottland.yo...@googlemail.com wrote: Hello Folks, I was wondering how to send a string varible to a php script from my google webtoolkit code. i.e. I want to append a string to a php url so that the php script can take that string and query the yahoo or delicious api. I'm using wamp and as GWT is on localhost: and wamp is on localhost, I'm not sure how if I will be unable to do this because of the same origin policy. Help would be greatly appreciated, Thanks, Scott. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: Connecting GWT and PHP
Why you wanna do this ? Probably this is what you are looking for: http://code.google.com/support/bin/answer.py?answer=87509topic=10454 http://code.google.com/support/bin/answer.py?answer=87509topic=10454 Regards, Miroslav scottland.yo...@googlemail.com wrote: Ok thanks, I understand that I can use request builder now. Is there a way to host php files on the same server utilised by google web toolkit localhost:. On Mar 29, 5:50 pm, Miroslav Genov mgenov.j...@gmail.com wrote: Hello, Any of the following links may help you to find a way to do it: http://code.google.com/support/bin/answer.py?answer=65632topic=11368 http://code.google.com/support/bin/answer.py?answer=65632topic=11368 http://code.google.com/p/google-web-toolkit-doc-1-5/wiki/DevGuideHttp... Regards, Miroslav scottland.yo...@googlemail.com wrote: Hello Folks, I was wondering how to send a string varible to a php script from my google webtoolkit code. i.e. I want to append a string to a php url so that the php script can take that string and query the yahoo or delicious api. I'm using wamp and as GWT is on localhost: and wamp is on localhost, I'm not sure how if I will be unable to do this because of the same origin policy. Help would be greatly appreciated, Thanks, Scott. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
GWT Style and Comments
Hello, I have question regarding the code style that is used by the GWT team. I know it's not GWT specific question but it is connected. In the http://code.google.com/webtoolkit/makinggwtbetter.html there is a guide for formatting and structuring the code and here is small quote from it: 1. public 2. protected 3. default 4. private What is the reason this modifiers to be in this order ? First thought that come in my mind was about the javadoc but when I tested I saw that the standart javadoc tool that comes with the JDK is sorting them regarding this order in the documentation and I'm not sure that this is the real reason. For some of my work I'm placing the private members after the public modifiers, because they are connected in somehow and If I have to modify something they are close each other in the source and it's easy to modify both of them without any scrolling and etc. Regards, Miroslav --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Google Security and GWT
Hello, I have a question regarding the security that is using google with GWT. Does anyone can give some small overview of the design or maybe an article about the security mechanism that is using google with GWT. I'm asking this questions here, because I'm trying to create a small security library for GWT which shall provide an easy way for securing of GWT Server side code. I'm on the part where I have to find a secure way for generation of a sid value and to define some interfaces for authentication and for checking whether the SID that comes from the client code is same as the SID stored in the database or some any other kind of storage. Thats why I've spent some time to understand how google health application security was realized. After a little sniffing on google healh application I found that there are a lot of cookies values that are sent to the server. But the think that really confused me was the SID value: =DQAAAHoG8ODKHiiDYoiMJbU2-1sCJ7MsdDG7jpcxDKuTTTK20R9XKuRsUThI-d4xfC8SsqNz5k2VYwi0m1Ilgu_NBsh08oCorcezDdZ0YxYZgTQy79MBsdFcPE9ee61Uafl8iRLsj_EHnbXTXCoYrQz33UvKRh4yAMq3SwrL9M573zEwyw Does anyone know the algorithm that generates this sid? From that article http://groups.google.com/group/Google-Web-Toolkit/web/security-for-gwt-applications I found that to secure a single service method you have to add the sid value as a parameter to the service method. If you are using GWT's RPC mechanism, the solution is unfortunately not quite as clean. However, there are still several ways you can accomplish it. For instance, you can add an argument to each method in your RemoteService interface that contains a String. That is, if you wanted this interface: Should all of service methods always use this pattern? Or maybe there is a secure way to do that with cookie? The idea which I'm currently have is to filter the incoming data with a servlet filter and in the filter to inject ( Google Guice ) the logic that checks the sid value with the value in the storage. If the value is matching the application will call the doFilter method and fill force the request to be completed. When the value is not matching then the application may throw an exception that the user that is trying to access this service is not authorized to do that. Regards, Miroslav --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: Google Security and GWT
Hello Matt, Yeah, I know that it will work, but I'm not sure that this is at 100% the right way and also a secure way.Thats why I was looking for opinions and suggestions from other developers about this issue. Regards, Miroslav On Sun, 2009-01-25 at 10:00 -0800, hazy1 wrote: Hi, I do what you describe (servlet filter). It works OK. Regards, Matt On Jan 25, 11:59 am, Miroslav Genov mgenov.j...@gmail.com wrote: Hello, I have a question regarding the security that is using google with GWT. Does anyone can give some small overview of the design or maybe an article about the security mechanism that is using google with GWT. I'm asking this questions here, because I'm trying to create a small security library for GWT which shall provide an easy way for securing of GWT Server side code. I'm on the part where I have to find a secure way for generation of a sid value and to define some interfaces for authentication and for checking whether the SID that comes from the client code is same as the SID stored in the database or some any other kind of storage. Thats why I've spent some time to understand how google health application security was realized. After a little sniffing on google healh application I found that there are a lot of cookies values that are sent to the server. But the think that really confused me was the SID value: =DQAAAHoG8ODKHiiDYoiMJbU2-1sCJ7MsdDG7jpcxDKuTTTK20R9XKuRsUThI-d4xfC8SsqNz5k2VYwi0m1Ilgu_NBsh08oCorcezDdZ0YxYZgTQy79MBsdFcPE9ee61Uafl8iRLsj_EHnbXTXCoYrQz33UvKRh4yAMq3SwrL9M573zEwyw Does anyone know the algorithm that generates this sid? From that article http://groups.google.com/group/Google-Web-Toolkit/web/security-for-gw... I found that to secure a single service method you have to add the sid value as a parameter to the service method. If you are using GWT's RPC mechanism, the solution is unfortunately not quite as clean. However, there are still several ways you can accomplish it. For instance, you can add an argument to each method in your RemoteService interface that contains a String. That is, if you wanted this interface: Should all of service methods always use this pattern? Or maybe there is a secure way to do that with cookie? The idea which I'm currently have is to filter the incoming data with a servlet filter and in the filter to inject ( Google Guice ) the logic that checks the sid value with the value in the storage. If the value is matching the application will call the doFilter method and fill force the request to be completed. When the value is not matching then the application may throw an exception that the user that is trying to access this service is not authorized to do that. Regards, Miroslav --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: GWT + SPRING + HIBERNTE
Hello, There are few examples located on springbyexample.org: http://www.springbyexample.org/twiki/bin/view/Main/ExamplesHome But I'm not sure where the site contains any examples with GWT and Hibernate. But for the hibernate you may use DTO ( Data Transfer Object) pattern to transfer data between the client and the server and also you may check Gilead ( http://noon.gilead.free.fr/gilead/ ) - the old name was hibernate4gwt. Hope that this information will help you find how to use them together. Regards, Miroslav On Sat, 2009-01-17 at 18:37 -0800, Yossi wrote: Hello, I am looking for a template or sample project that will enable me to use GWT + SPRING + HIBERNATE. Also it would be great if it will contain a session management with authentication (register/login). As I see it, this is the infrastructure of the application and I don't want to make mistakes there. I searched the web a lot and didn't find anything useful. Thanks, Yossi --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
GWT and Business Intelligence.
Hello , I have a question regarding using of GWT for the creation of a intranet system for business intelligence. Is GWT good for creation of such application ? I know that the question is complex, but I'm asking it because I don't know whether I'll have problems with the implementation of some of the general purpose things that are main for such application. By main things I mean: exporting types, charts, tabular structure visualization and etc. I hope that there are people in this forum that are having such experience. Regards, Miroslav --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
JSON Mashups
Hello guys,
Currently I'm trying to use JSON mashups in my application, but I'm
falling on an issue with the binding and validation of the data objects.
In another web project I was used simple POJO objects and the binding
was implemented in this way:
public void setFirstName(String firstName) {
String old = this.firstName;
this.firstName = firstName;
changes.firePropertyChange(firstName, old, firstName);
}
And here is the question, how can I do this with JavaScriptObjects when
my method stubs are looking like:
public final native String getName() /*-{ return this.name; }-*/;
public final native void setName(String name) /*-{ this.name = name; }-*/;
Probably I have to use some JSNI magic :).
Does anyone have an idea how to do this ?. Or some better solution for
binding and validation of such an objects.
Thanks in advance
Regards,
Miroslav
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Re: JSON Mashups
This is a good solution. I like it.
Thanks for the support.
Regards,
Miroslav
Shawn Pearce wrote:
How about doing your setName like this:
public void setFirstName(String firstName) {
String old = getFirstName();
setFirstNameImpl(firstName);
changes.firePropertyChange(firstName, old, firstName);
}
private final native void setFirstNameImpl(String fn)/*-{
this.firstName = fn; }-*/;
? Yes, it take an extra method to jump into the JSNI, but the
compiler will erase that indirection anyway when it builds the
JavaScript. Your only penalty is the slightly longer code to write
for each bound property method.
On Tue, Dec 2, 2008 at 09:45, Miroslav Genov [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:
Hello guys,
Currently I'm trying to use JSON mashups in my application, but I'm
falling on an issue with the binding and validation of the data
objects.
In another web project I was used simple POJO objects and the binding
was implemented in this way:
public void setFirstName(String firstName) {
String old = this.firstName;
this.firstName = firstName;
changes.firePropertyChange(firstName, old, firstName);
}
And here is the question, how can I do this with JavaScriptObjects
when
my method stubs are looking like:
public final native String getName() /*-{ return this.name
http://this.name; }-*/;
public final native void setName(String name) /*-{ this.name
http://this.name = name; }-*/;
Probably I have to use some JSNI magic :).
Does anyone have an idea how to do this ?. Or some better solution for
binding and validation of such an objects.
Thanks in advance
Regards,
Miroslav
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Re: php usage with gwt
Hello, Yes, it will if you are talking for non hosted mode. If you are talking about the hosted mode, you have to take a look at the documentation how to deploy the application to an external server. Regards, Miroslav tapan wrote: If i rename the .html to .php file will it work --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
GWT + Jetty + Maven
Hello guys, I was wondering if there is a way to configure maven to deploy on jetty gwt code without recompile of client classes, i.e. with using of excludes in the scanTargetPattern configuration. Currently I'm having a completed set up of GWT with maven and jetty and I'm trying to speed up the redeployment of the static content in hosted mode. At the moment I've tried two types of deployment: Packaging of the application and running jetty with webdir pointing to the target directory. To do that I'm executing the following command: /mvn package jetty:run -Dwebdir=target/myapp-0.0.1-SNAPSHOT// When I deploy my application and I change some of the html files, the application doesn't refreshes them. The problem is obvious - html pages are not redeployed to the target directory on save. Here I want to mention that I'm using eclipse as a development environment and maven goal's are started from eclipse. The second situation is when jetty is started with webdir pointing to the src/main/webapp/. In this case the static content and jsp page are reloading like a charm but the problem is that when I change some GWT class Jetty reloads the context. Currently it is done for a few seconds but If I add few more libraries to my project like hibernate and spring this time will be much longer than now. I've tried to exclude the client classes with the followed pattern: scanTargetPatterns scanTargetPattern directorytarget//myapp-0.0.1-SNAPSHOT///directory excludes exclude**/Admin.class/exclude /excludes /scanTargetPattern /scanTargetPatterns But this pattern is not working correctly. I don't know where exactly is the problem. Probably I'm doing something wrong or maybe I'm missing some step. Hope that someone can help. Thanks in advance. Regards, Miroslav --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: ANN: SL 0.1.5a released
Hello, Thanks for the good news :). I'm glad that this library now is integrated with the latest version of GWT. Thanks for the announcement. Regards, Miroslav George Georgovassilis wrote: Dear All We have recently released version 0.1.5a of the SL which is mainly a compatibility release for GWT 1.5 and Hibernate4GWT. For those of you who are new joiners, the SL is a sister project of the GWT-Widget Library [1] aimed at integrating the Spring framework via RPC with GWT through binding POJOs transparently to the RPC protocol. [1] http://gwt-widget.sourceforge.net/ --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: Need help on writing test cases for asynchronous call backs.
Hello, The main test class GWTTestCase contains two method which are used in this situation: delayTestFinish() and finishTest. The first tells on the test to wait some time to allow on async callback to be executed where the second tells on the test class to end it's execution. To see more information about this methods, please check the java doc. I hope that my explanation has made the things more clear for you. Regards, Miroslav neversaydie wrote: Hello, I am facing a issue while writing a test cases for asynchronous call back through my http servlet. Problem is all my test cases fail because the response sent by the servlet will be delayed for some time since we are dealing with the asynchronous call backs. can somebody suggest me on how to write test cases for these servlets ? Thank you --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
Re: compilation time of GWT 1.5 with Intellij on OS X 10.5
Hello, I have the same problem on windows vista with IntelliJ 8.0M1. Probably the same issue. I hope that anyone knows what causes the problem. Regards, Miroslav Peter Gershkovich wrote: I started using GWT 1.5 and noticed greatly increased compilation time. I am using IntelliJ 7.04 on Mac OS X (10.5 on Intel platform) and the compilation takes very long time. Are there ways to improve that process? --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups Google Web Toolkit group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~--~~~~--~~--~--~---
