Jay Garcia's Perspective:

Expert Ext JS: Associations in Forms

Jay Garcia

Associations were a major addition to the data package in Ext JS 4 and, to me at least, appeared to be a great answer to problems I had faced repeatedly. Unfortunately, I found them less useful in practice than on paper and they seem to be a source of confusion for many developers. However, when creating my Form Panel extension I realized a very natural use case.

Expert Ext JS: Model Integration in Forms

Jay Garcia

In Ext JS 4, the data package received a lot of attention and the improvements made were, for the most part, quite impressive. However, the interplay between models and forms remains lackluster. Many folks building a full Ext JS app are not likely to use normal form submission, so getting forms to play nice with models can have significant benefits. With models truly bound to forms, performing normal create, read and update operations can easily take advantage of Proxies, Readers and Writers through Model’s clean API. As it turns out, it’s quite easy…