Re: Request data
Oli
It's easy to get back both lists in a single RPC call, by defining a
ResultType class such as:-
class MyResult implements Serializable {
public ListItem items;
public ListFilter filters;
}
where both classes Item and Filter are also serializable. Then
have a method like
public MyResult sendRequest(args...);
defined in the RPC interface.
I hope this makes sense
Dave.
On Jan 14, 10:39 am, Olivier oliv...@digiworks.es wrote:
Hi everyone,
I have a form that is send to request some data on the server. The result I
need is a list of items and a list of filters.
What would better, sending one request that will get me both list or sending
2 different requests, one for each list ?
Thanks
Oli
---
Olivier
Digiworks
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Re: Any thing in GWT for Gridlayout???
Seconded -- FlexTable is your friend here, and can cope with odd widgets or labels that are too long by using FlexTable.getFlexCellFormatter() to get the cell formatter, and then set 'colspan' (or rowspan) for some cells if necessary. It can produce great results, and basically maps to an HTML table I believe. HTH Dave. On Jan 8, 6:09 am, Abdullah Shaikh abdullah.shaik...@gmail.com wrote: In my case I have used FlexTable, I guess GridTable will also do. You can set the controls using setWidget(row, column, widget) - Abdullah On Fri, Jan 8, 2010 at 11:09 AM, Abhay Singh abhay.asi...@gmail.com wrote: Hi Do we have any thing in GWT to implement GridLayout I need to designs a form having lots of text/check boxes in it, but facing problem in placing them properly and well aligned. I tried with combination of HorizontalPanel and VeticalPanel but this is too tidious and not getting proper aignment... what should i 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-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.comgoogle-web-toolkit%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en. -- 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: How to minimize browser using GWT ?
Why not just use the browser's own minimise button? I'm sure you won't be able to minimise the browser from inside JavaScript code. Dave. On Oct 28, 1:24 pm, Rinku ashishkushwaha1...@gmail.com wrote: Please help me. It is very urgent. Thanks in advance. On Oct 28, 9:42 am, Rinku ashishkushwaha1...@gmail.com wrote: Thanks for your replies. First I am explaining my requirement :- I created my own minimize and maximize button in my Application. When I click on minimize button, my application should minimize like our application (If we minimize any application in our PC, that application is displaying in our taskbar) I want my application should display in taskbar after minimize. I know how to resize the application to its minimum size. But resize is not ful filling my requirement. Please help me. On Oct 27, 7:07 pm, ganesh.shirsat ganesh.shir...@gmail.com wrote: i tried this but javascript not provide any solution for minimize the window. On Oct 27, 7:00 pm, Lothar Kimmeringer j...@kimmeringer.de wrote: Rinku schrieb: How to minimize browser using GWT ? If you replace GWT with HTML/Javascript and know the answer, you can answer that for yourself. I don't know the answer, but doubt that this is possible. Regards, Lothar --~--~-~--~~~---~--~~ 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: When run jsp in GWT 1.7, error occurred Syntax error, parameterized types are only available if source level is 1.5
Are you using maven? If so check your POM for the compiler settings for the maven-compiler-plugin to make sure the java version is set to 1.5 or above. If not then there must be some equivalent setting that governs the java-version compatibility of the GWT java-to-js compiler On Aug 23, 10:45 am, betterdanielding betterdanield...@gmail.com wrote: When I'am running jsp in GWT 1.7, the error occurred: Syntax error, parameterized types are only available if source level is 1.5 I have set the servlet parameters in web.xml and set the Eclipse project JRE level, but it doesn't work. Can any one help? 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 -~--~~~~--~~--~--~---
Re: Problem with GWT RPC when parameter contains collection.
Have you tried enabling debugging in the browser, to see if any JS
exceptions are being thrown?
On Aug 21, 7:01 pm, Arkady arka...@gmail.com wrote:
Actually the request is never posted and therefore never arrives to
the impl class. I suspect that the problem is with the serialization
of the MyItem class.
On Aug 20, 5:42 pm, tolga ozdemir tka...@gmail.com wrote:
Can you post the method of your impl class here to investigate the
problem? I do not know yet but maybe my sample helps you to compare
your code as well..
http://www.tolgaozdemir.net/2009/08/19/gwt-101-lessons-2-gwt-17-with-...
On Aug 20, 11:37 pm, Arkady arka...@gmail.com wrote:
I am having problem with GWT RPC in the following scenario.
I have a service:
public interface MyService extends RemoteService {
public MyResult getMyResult(MyParam param);
}
with corresponding Async version and Impl version. MyParam class
contains ArrayListMyItem:
public class MyParam implements Serializable {
private ArrayListMyItem items;
public MyParam() {
}
public MyParam(ArrayListMyItem items) {
this.items = items;
}
public ArrayListMyItem getItems() {
return items;
}
public void setItems(ArrayListMyItem items) {
this.items = items;
}
}
public class MyItem implements Serializable {
}
When I invoke getMyResult(new MyParam(new ArrayListMyItem()))
everything works fine and the execution reaches the Impl class on the
server. But if I invoke getMyResult() with non-empty list of items the
request is never posted to the server and there is no exception in the
log.
Any help will be greatly appreciated.
Thanks.- Hide quoted text -
- Show quoted text -
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Re: when should we use GWT RPC and HTTP mechanism to communicate to server
I don't think you're ever *forced* to use RPC, it simply requires writing a lot less code than writing a servlet, parsing XML, returning XML and parsing that result in the client. GWT makes it very easy to use RPC, but doesn't force you to do so. In our app we do both, but by far the majority of client/server comms is GWT RPC. DaveS. On Aug 19, 1:43 pm, venki pola.ve...@gmail.com wrote: Thank you DaveS Ok cool instance... One more doubt Dave. I understand your example. Let us suppose my service is going to use by GWT client only. So in this case i can use either GWT RPC or HTTP. So i can do my application with out using RPC also rather i can use HTTP.Can you please tell me an instances why should i opt for GWT RPC mechanism only. I mean i am expecting the answers that in what cases we are forced to use RPC rather than HTTP. If possible can you please tell me the advantages RPC over HTTP. Once again thank you very much for your reply.. Have a good day Dave On Aug 19, 1:34 pm, DaveS dave.sell...@gmail.com wrote: Our application uses both, depending on quite a few factors. In some cases we are putting data into Flash (.swf) components, and need it in XML, so we use a 'raw' HTTP request to get the data. In most other cases we use GWT RPC to retreive data from the server, or to initiate actions in the server. There really is no single answer, it just depends on your application. We have considered moving away from GWT RPC more than once, thinking we might provide an 'open interface' or web-service interface, but so far the convenience of RPC has been the overwhelming reason we are continuing to use it. I guess you could say, if there is no need to make the service available to anything other than your GWT client, then use RPC, but if you want to open the interface to 3rd parties, other apps or anything like that, consider using HTTP. Dave. On Aug 18, 5:56 pm, venki pola.ve...@gmail.com wrote: Hi to all, I am new to GWT. I read GWT communication with server tutorial. It provides various mechanisms to communicate with the server. Any way i know how to use GWT RPC and HTTP mechanism to communicate with server. I request all of you can you give perfect explanation towhenshould we use RPC mechanism andwhenshould we use HTTP mechanism. I mean at what type instances we are forced to use particular mechanism. Great 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: when should we use GWT RPC and HTTP mechanism to communicate to server
Our application uses both, depending on quite a few factors. In some cases we are putting data into Flash (.swf) components, and need it in XML, so we use a 'raw' HTTP request to get the data. In most other cases we use GWT RPC to retreive data from the server, or to initiate actions in the server. There really is no single answer, it just depends on your application. We have considered moving away from GWT RPC more than once, thinking we might provide an 'open interface' or web-service interface, but so far the convenience of RPC has been the overwhelming reason we are continuing to use it. I guess you could say, if there is no need to make the service available to anything other than your GWT client, then use RPC, but if you want to open the interface to 3rd parties, other apps or anything like that, consider using HTTP. Dave. On Aug 18, 5:56 pm, venki pola.ve...@gmail.com wrote: Hi to all, I am new to GWT. I read GWT communication with server tutorial. It provides various mechanisms to communicate with the server. Any way i know how to use GWT RPC and HTTP mechanism to communicate with server. I request all of you can you give perfect explanation to when should we use RPC mechanism and when should we use HTTP mechanism. I mean at what type instances we are forced to use particular mechanism. Great 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: JDBC Example using GWT
Not really clear what you mean here... JDBC is a back-end (server side) technology, compared to GWT which is for generating your client side GUI. Even though you are apparently writing Java code for GWT, remember that it gets compiled to JavaScript and executed in the browser. You could just write a conventional Java server component (J2EE / servlet / etc) and connect to JDBC with that, and have it talk to your GWT-based GUI, but your GWT code will not be talking to JDBC directly as far as I know. Dave. On Aug 13, 5:27 am, Ravindra ravindrareddy...@gmail.com wrote: Hi, I am new to GWT. i am unable to connect to JDBC applications using GWT. Is it possible ?? If anybody used it pls give a sample example... Please help in this.. Thanks, Reddy --~--~-~--~~~---~--~~ 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 -~--~~~~--~~--~--~---
large GWT app fails to load in IE - anyone else seeing this?
[re-post with better title - sorry for the dup but this is killing me!] If anyone from the GWT dev team is reading, please get in touch, we are struggling badly with this issue and would *really* appreciate any help. We have a fairly big GWT app, and we are experiencing some issues when running it in IE. Sometimes (and there's no rhyme or reason to it) the app simply fails to start up. The HTML file is loaded by the browser, and the my.app.nocache.js file is loaded, but it then gets stuck. After a *lot* of debugging and cursing IE, we found out that it is stuck in the .nocache.js file waiting for the document readyState to become ready. There is a timer-function in this file, that goes off every 50ms, and checks to see if the $doc.readyState is loaded or complete and for some reason, when our app fails to load, the $doc.readyState never has either of those values (it seems to be stuck in interactive). When the app loads and runs correctly, this timer finds the readyState the first time it goes off, and it then triggers the app to be loaded. I see there is also an event-listener on the DOMContentLoaded event that effectively does the same thing, so it looks like the designers tried to work around this in more ways than one already. Obviously, in the cases where our app fails to start, this event is not firing either. Has anyone else ever seen this, or have any ideas about why IE is not setting the document readyState. I can see it might be because the document really isn't ready, but is there any way we can tell what it's waiting for? Any suggestions gratefully received Dave. --~--~-~--~~~---~--~~ 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 -~--~~~~--~~--~--~---
Problems with $doc.readyState and app sometimes failing to load/run in IE
We have a fairly big GWT app, and we are experiencing some issues when running it in IE. Sometimes (and there's no rhyme or reason to it) the app simply fails to start up. The HTML file is loaded by the browser, and the my.app.nocache.js file is loaded, but it then gets stuck. After a *lot* of debugging and cursing IE, we found out that it is stuck in the .nocache.js file waiting for the document readyState to become ready. There is a timer-function in this file, that goes off every 50ms, and checks to see if the $doc.readyState is loaded or complete and for some reason, when our app fails to load, the $doc.readyState never has either of those values (it seems to be stuck in interactive). When the app loads and runs correctly, this timer finds the readyState the first time it goes off, and it then triggers the app to be loaded. I see there is also an event-listener on the DOMContentLoaded event that effectively does the same thing, so it looks like the designers tried to work around this in more ways than one already. Obviously, in the cases where our app fails to start, this event is not firing either. Has anyone else ever seen this, or have any ideas about why IE is not setting the document readyState. I can see it might be because the document really isn't ready, but is there any way we can tell what it's waiting for? Any suggestions gratefully received Dave. --~--~-~--~~~---~--~~ 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 -~--~~~~--~~--~--~---
