Hi, I am designing a web application using GWT currently, which is also the first time i am using GWT. I just have a general question about how (or can) GWT handles communications between multilpe clients. My application needs user to login and has personalized pages for different users, GWT is well able to do all of these. The only pr...
I'm upgrading a GWT project from GWT 1.7.1 to currently newest version 2.0.3. It seems that new GWT broke String.split(String regex) method - I get the following error on the Javascript side: this$static is undefined This happens in this line of my .nocache.js file: if (maxMatch == 0 && this$static.length > 0) { ...which happens to...
After looking into gwt-dispatch and the Google Wave I/O presentation (Best practices) (video here), I'm wondering why the official GWT release (2.0) doesn't use dispatch (ie. the command pattern) for it's RPC calls. Does anyone know? ...
I want to use the #! token to make my GWT application crawlable, as described here: http://code.google.com/web/ajaxcrawling/ There is a GWT sample app available online that uses this, for example: http://gwt.google.com/samples/Showcase/Showcase.html#!CwRadioButton Will serve the following static webpage to the googlebot: http://gwt.goo...
I wanted to make a GWT widget using UiBinder. So I made: UserPanel.ui.xml like this: <?xml version="1.0" encoding="UTF-8"?> <ui:UiBinder xmlns:ui='urn:ui:com.google.gwt.uibinder' xmlns:g='urn:import:com.google.gwt.user.client.ui'> <ui:with field="res" type="com.example.resources.UserPanelResources" /> <g:VerticalPanel st...
I really enjoy attending unconference/BarCamp type events and getting to meet developers, designers etc. from different backgrounds and sharing ideas in person. However, I have trouble finding events as there does not seem to be one place where they are listed. Does anyone know of such a place? I also want to setup a Google Technology...
I plan on appending some comments onto a text, to do that, first, I need the concerned text to act like a button for me to launch a popup, which in turn shows the comment. For that to happen, I need to make that concerned text to act like a button in GWT, but due to some aesthetic reasons I don't want it to look like a normal GWT Button,...
Hi, I am using gwt graphics(vaadin) for one of my project, till yesterday i had gwt1.7.1 and all the drawing objects were working fine. For some reason i had to install eclipse again and so now i have gwt 2.0.3. I am observing few problems with graphics now, like the text is not getting positioned properly, if i do any changes to the co...
I was recently looking into Google Web Toolkit and it seemed really interesting. I was curious what can I really do with it, can I simple register and login system or similar things? ...
Hi, I am using Postgres and gwt 2.0 for one of my applications. I am facing problem connecting to the database. When I try to connect it gives "ClassNotFoundException". Here is what I get when I try to connect to database: java.lang.ClassNotFoundException: org.postgresql.Driver at java.net.URLClassLoader$1.run(URLClassLoader.java:...
My backend server function returns a list of json object to the caller. I would like to use JsonRequestBuilder to interact with this backend function I defined a AsyncCallback this way class MyCallBack extends AsyncCallback<List<MyObject>> { However, JsonpRequestBuilder does not this declaration AsyncCallback because the generic ty...
Hi friends, How I can develop 'Search Engine Friendly' web app in GWT? Take an example of StackOverflow it self, its a web app and should be SEO friendly allowing user to search from search engine. If some one want to develope same app in GWT. How one can make it SEO friendly? As GWT contain a single HTML file. How we can allow its in...
In GWT javadoc, we are advised If you only need a simple label (text, but not HTML), then the Label widget is more appropriate, as it disallows the use of HTML, which can lead to potential security issues if not used properly. I would like to be educated/reminded about the security susceptibilities. It would be nice to li...
I would like to use the org.apache.commons.validator.GenericValidator class in a view class of my GWT web app. I have read that I have to implicitely tell that I intend to use this external library. I thought adding the next line into my App.gwt.xml would work. <inherits name='org.apache.commons.validator.GenericValidator'/> I get th...
hi i created web application project.In that i created and run successfully,but it shows one message alert.ie GWT Module need to BE (re)compiled message displayed.How to solve this error(warning). ...
With MVP, you normally bind the View (UI) with the Presenter in the Presenter. However with the latest version of GWT, especially with UIBinding, you can do the following in the View: @UiHandler("loginButton") void onAboutClicked(ClickEvent event) { // my login code } Which basically exchanges a lot of anonymous inner class code ...
Looking for best approach to convert Java DTO to XML and back while using GWT. I saw GWT has XMLParser in its client package which is a DOM Parser. I'm looking for more like a JAXB kind of plugin feature that I can use with GWT. ...
Hi, I am using gwt and postgres for my project. On the front end i have few widgets whose data i am trying to save on to tables at the back-end when i click on "save project" button(this also takes the name for the created project). In the asynchronous callback part i am setting more than one table. But it is not sending the data prope...
This should be totally simple but I can't get it working no matter what I try. I'm trying to use Google Analytics with GWT application. From what I understood, there are two way to do it: First is synchronous, by inserting tracking code at the end of <head> section HTML page and then calling this method: public static native void recor...
I would like to deep link directly to a GWT app page within a Facebook iFrame Canvas. The first part is simple using GWT's History token with URLs like: http://www.example.com/MyApp/#page1 which would open page1 within my app. Facebook Apps use an application url like: http://apps.facebook.com/myAppName which frames my Canvas Cal...