ExtJs Vs Ext GWT Vs SmartGWT

Question

I am going to start a new application which mainly consist NavigationPane, Grid, Toolbar. Layout should look like this demo page http://www.gwt-ext.com/demo/

I am qu

Answer 1

To write the least code, use SmartGWT Pro. It provides a wizard that allows you to just pick from a list of Hibernate entities you've created, and instantly you have the ability to perform all CRUD operations on that entity, no code required. Then you can add business logic.

The wizard:

http://www.smartclient.com/smartgwtee/showcase/#tools_hibernate_wizard

The link about is just screenshots, but there are several Hibernate samples in the showcase. See especially the Master-Detail Batch Load and Save sample.

As far as performance, real-world performance of most enterprise apps is dictated by how often the application has to contact the server. In this area SmartGWT has a large lead because of features like Adaptive Filtering (see the Featured area in the SmartGWT showcase).

Almost all reports we receive of SmartGWT being "slow" are due to having Firebug enabled. Disable Firebug and performance is fine, so normal end users will never perceive slowness.

Answer 2

application which mainly consist NavigationPane, Grid, Toolbar.

Well, this tells us a lot about your app, doesn't it :)

I think it comes down to how good you are at either Java or JavaScript. They are quite a different languages you know :) But if you are well-versed at both but only used Ext JS, then picking up Ext GWT (or GWT Ext, if you meant that), shouldn't be such a great deal. And if that application you are planning is going to be as simple and small as your description of it, then it's probably a perfect opportunity to try out something new.

Answer 3

About 6 months ago, we studied whether we would use ExtJS or GWT-Ext for an internal application. We wanted the back-end to be J2EE standard frameworks (struts, spring, hibernate for persistence, etc.). We ended up choosing ExtJS because it seemed to us that GWT was not stable enough (too many changes in the API that is still recent), and Ext-GWT was always lagging behind in development.

Answer 4

I use GWT-Ext and it is quite good especially if you don't mind tweaking things with JSNI to customize the already existing Ext widgets it is incredibly powerful. Unfortunately development is stagnant, so my future projects will probably be either in SmartGWT or Ext-GWT. SmartGWT is written by Sanjiv Jivan (same guy who wrote GWT-Ext) and it has most of the widgets we need. I must say most of the skins are quite dated except the Enterprise skin which looks good, but you can always roll your own skin.

Answer 5

The GWT-Ext main page now says

"GWT-Ext is no longer under active development and has been superseded by Smart GWT. Assistance will be provided to existing users of GWT-Ext looking to migrate to Smart GWT."

so why would anyone use it?