vaadin

wicket vs Vaadin

Hi, Am torn between wicket and vaadin. i am starting a micro-isv and need to make a choice of web framework. I have narrowed down my choices to wicket and vaadin. I have used both frameworks and i love them both. however i need to make a choice. If i choose vaadin: I wont have to worry much about the look and feel.It comes with nice ...

Building mind map based webapp. Not sure which framework to choose

We are working on a Mind map based webapp as our final year college project. It will be a website where users will be able to create mind maps collaboratively. The user interface will be very similar to what https://bubbl.us/beta/ and hxxp://www.mindmeister.com/ have. In a nutshell, the users will have access to whiteboard and drawing t...

Smart GWT or ext GWT or Vaadin for Google app engine?

Hi all, I have my back end on the Google app engine. Now I need a RIA on top of it. What should be my option? Smart GWT? Ext GWT? or Vaadin? or if any of you know any other RIA UI tecnology other than JSF and Flex, pls let me know. Thanks ...

Translating GWT MVP Pattern to Vaadin

After several months developing an application based on GWT, using MVP pattern + Hibernate, I've come to a point where every small change in the application is a pain, and the widgets look very poor. I've also evaluated Vaadin, and it looks very promising. The way that databinding allows me to forget DTO conversion, seems interesting, ...

Vaadin DateField textfield does not update time value

Hi, Has anyone had any problems with the updating of the time value when using Vaadin DateField (or PopupDateField)? Whenever a new time is selected from the time drop downs located at the bottom of the popup calendar, the date textfield does not update with the new time selected. Only the day value updates properly when a different day...

Automatically synchronize Java servlet in Eclipse?

I'm using Vaadin framework and everything is setup fine using the Book of Vaadin. When I alter source code it automatically builds and synchronizes the server which I can see in the Server tab, however when I refresh my browser window nothing is changed. The only time when I can see the change is when I select my module in the Server ta...

How can I get a clojure webapp to automatically redeploy?

I am developing a webapplication in Clojure and Vaadin, but I cannot get the application to autoredploy so that I just press refresh on the browser. Any ideas? ...

How to validate a field from a BeanItem in Vaadin?

I'm trying my first Hello World with Vaadin right now and I'm stuck with my first simple validated Form. I'm using a BeanItem as the ItemDataSource for my form, and I don't know how to add a Validator for the bean property. My Problem How can I get the actual Field for the property in my bean? I need to call addValidator() on the field...

Cons related to Vaadin?

Hi I am evaluating Vaadin framework for one of our project. I went through blogs, sites and found many pros of using this framework, but couldn't find much about concerns related to this framework. I am looking for any cons you found using this framework or any issue you faced during the development of your application using Vaadin, its ...

JPA+Address Book Demo+Netbeans 6.9.1 problem

I'm trying to include persistence to a Vaadin project so my first step was to try the JPA+Address Book Demo using Netbeans. When I try to run the demo I get a "StandardWrapperValve[VaadinApplication]: PWC1406: Servlet.service() for servlet VaadinApplication threw exception". I tried by adding gwt-user.jar but it didn't work. My knowledg...

How to improve Vaadin startup speed in debug mode?

When I create even a simple "hello world" application for Vaadin, deploy it to the server, and type application URL in the browser, I have to wait about 5-10 seconds for the application to appear. Next runs are fast, but when I redeploy or hot-swap classes, I have to wait again. When I add it to database startup time, server startup time...

How to make right architecture in Web application using Vaadin framework? Please Help!

HI, I am starting to developing web application and decide to use Vaadin + Java EE for reusable business logic. I know that Vaadin has MVP design pattern, but how to make good hierarchy of classes, write all in one MyApplication.java or make own Button classes or make Listeners in one side and UI components in other, and how to combine i...

getting an error in example vaadin

hello, i am new to vaadin i have compiled 2 codes one is import com.vaadin.ui.Label; import com.vaadin.ui.Window; @SuppressWarnings("serial") public class HelloWorld extends com.vaadin.Application { /** * Init is invoked on application load (when a user accesses the application * for the first time). */ @Overri...

cant find the create custom widget in the new project

hello, i am new to vaadin and i have installed vaadin eclipse plugin and i cannot find the create custom widget in the File->New project->vaadin and i cant find create themes etc ..as i see these things in the tutorial video and i cant find the visual editor also in the eclipse and i am using linux (operating system) ...

SmartGWT and Vaadin rtl support

Does Vaadin or SmartGWT support RTL in their provided widgets/themes? Thanks ...

GWT and Vaadin - variable is not a constructor stack

I have a strange error that I cannot make heads or tails of. A snippet of the error is below: (TypeError): $wnd.EGeoXml is not a constructor stack: $jsInit([object Object],[object Object],null) The actual lines of code is in GWT and looks like this: private native void jsInit(JavaScriptObject map, String kmlFile) /*-{ var exm...

Java UI web frameworks

Hello, I need to know which is the best Java web framework to design an UI. I know some frameworks like vaadin GWT Which one is better and faster? And is there anything other than that? ...