I have a GWT page with a listing (from the datastore) on it. I understand how I can get this listing after the page is loaded, with an async call, but I want to make sure that when the page is loaded initially, it has valid data in it. Otherwise, the page loads most of the way, and then the listing is filled in, which leads to a choppy...
So essentially this project builds a portal of testing results from various test types. The fetching and display of results is fine; however, the resulting tables are not being displayed in the correct order. The order they're displayed in is random, but it's clearly specified the order in which the RPC calls are dispatched and I even ...
In my GWT app, I have an anchor that links to an external URL. I would like to make that URL configurable by a server flag. So my question is, how can I make the server flag accessible to the GWT presenter / view? I can create a servlet that returns the value of that flag so that the GWT side can make an RPC call to get the value, but I'...
I want to access a GWT service from a Python script, so I want to generate a x-gwt-rpc request manually. Can't seem to find any info on the format of a GWT RPC call, since everybody does it from Java (so the call is generated by the framework). Where can I find some detailed documentation about this format? ...
Our company app utilizes the Ext Direct so it bundles and sends requests from our client to the our MVC framework. Currently I'm working on a side project to test out GWT, and would like to get my test page to talk to our server. My question is if it is possible to bypass Ext Direct to send an http request to mvc directly, or Ext direc...
The following works when it's in the EntryPoint class of my application, but not when it's moved somewhere else. public MyServiceAsync service = GWT.create(MyService.class); service.someFunction(callback); It doesn't seem to throw an exception itself, but the application crashes on a NullPointerException when it looks for objects tha...
Hi! Are there any techiques to collect a number of gwt-rpc service callback results? I have a dialog window used to create new or edit existing object. These objects have a number of references to other object. So when user creating or editing an object he may pick one in the ListBox. public class School { private String name; ...
Hey guys, I am trying to develop a Spring Roo/GWT app with the newest integration of GWT in Roo. Getting the scaffolding to work is very straightforward, but I don't really understand how the RPC works there. Can someone of you provide a simple example how to do a simple service to connect client/server within Spring Roo and GWT. Wou...
How do you say Gwt is more Efficient than the Html if Efficient Why does is not Written in gwt language ...
Hi. I believe that GWT achieves RIA through initial throwing of objects and files to the client side initially. but what I do not understand is that is it possible to control the amount of information being thrown to the client side? cos this is because I do not want sensitive information to be cache at the client side. these inform...
Hi, I would like to know the difference between GWT, GWT-RPC, EXT-GWT and Smart GWT. Currently, I managed to borrow books on GWT which I understand is just a library designed to facilitate fast and efficient Ajax (asynchronous JavaScript and XML) development. But what are the rest? Could anyone explain it? Thanks. ...
Hi, I would like to ask what's in the .client file and what's in the .server file for GWT? I followed a couple of tutorials asking me to paste this code into .server and .client file but unsure what these files are for? Also it involves a XML file and CSS file. Does anyone know how these files interact with each other? Can anyone explain...
I'm trying to get some server side stuff going for my GWT project. As a test I tried to add in a com.sun.jmx.snmp.SnmpOid object which isn't supported by GWT run-time into my GreetingServiceImpl.java (a file that gets generated with every GWT project), but it's still saying that it's not supported. I did the RPC GWT tutorial and when I ...
Currently working on GWT application and I was wondering how can I serializes an object on client-side and then save that to a file on the server and then be able to dematerialize that file when needed back down on the client. I have read googles documentation on serialization and RPC's seem to be lacking any really examples. A simple go...
Hey, I'm currently making a site using GWT, being hosted on AppEngine. I'm making it with my own logins that I'm making (I know Google provides something with GWT, but I need my own login system), and I've been trying to figure out sessions for quite a while now. I've found a few tutorials, and one of the sites that I was reading is htt...
Hey guys, I have a GWT application which I would like to run from within a Joomla layout. The concept seems to work fine and the application loads up correctly. Joomla uses an iFrame to achieve this and just sends off the url which will kick start the GWT application. The issue I am having is that I require certain information from Joo...
I have RPC service that returns an object of type GameEvent that extends from Event (abstract). When I get the object on the client side, all the properties inherited from Event (eventId, copyEventId, gameTimeGMT) are set to null whereas on the server side, these properties have values. public class GameEvent extends Event implemen...
I have GAE application and I'd like to download CSV file from Blobstore and display it in a table using GWT. Is there any example showing how to do this? ...
I get this warning often in my Google App Engine for Java warning console. It's strange because the URL that it claims isnt handled, is the url generated by GWT (im using GWT client-side). Heres an example: /myAppName/62865E45F313D707543A6F093D199127.cache.html They only happen occasionally, but its enough to make a single visit u...
Hi, I'm new with Google Visualization for GWT and I need help. Can someone tell me which is best pratice to transfer DataTable (data for visualization) with GWT RPC. Cause DataTable is not serializable, and I have a lot of data. I want to use GWT RPC cause I use Java on the server side. I know there is DataTable.toJson method in vis...