The correctly implemented ViewModel hierarchy in Ext 5.x MVVM applications provides for more robust, modularized and well-written large applications. Read this article to write big, yet maintainable, expandable and bugless applications.
Although Sencha Cmd is a very useful tool for application scaffolding, creating view, controllers and models, sometimes it is faster to use a single-file app. It is especially useful for fast testing, prototyping or concept proof. Read how to do it.
Calculated fields are fields that do not have their own values, but the values are calculated from the other fields of the same record. It is easiest to implement them in Model.
Don’t you like 16×16 icons? Or they just do not look good on your Retina display anymore? Read this post to learn how to use Font Icons that are scalable, resolution independent and they always look good.
There can be cases where we have an existing page and we just need to insert a grid, from or tree into it. The approach is very simple…