I have received very nice private message on Sencha Forums from the user new to ExtJS whom I helped to understand the basic concepts of Ext applications. Here is the full text of the message (with his permission).
This spring I was contacted by one company with the request of consulting on their application developed in PHP and ExtJS Javascript Library. They wanted
In essence, factory functions are class methods that manufacture items or other properties during the instantiation of the class. This article explains pros and cons of factory function and how to use them correctly.
If you modify records of an editable grid with paging and if you then page-out, your changes are lost. This article shows easy implementation of keeping modified records while paging.
[su_icon_text icon=”icon: info-circle” icon_color=”#5b63df” class=”saki-info-box”]Code in this post can be obsolete, however, principles and theory may still apply.[/su_icon_text] Recently I’ve been looking for a better
Event listeners are installed by calling on method in Ext and Touch. However, there is also other possibility and that is calling mon. Read the article to find out what is the difference and what are benefits of mon/mun.
You cannot use the return value of an API function call as result is not know at the moment of the call return. It is never stressed enough that Ext.Direct calls are ASYNCHRONOUS.
This part focuses on server side of Ext.Direct giving some examples that are good as a starting point written in PHP.
Rich Internet Applications (RIA) consist of two parts: client side and server side. Client cannot call server functions directly but sends requests, server processes them calling the appropriate functions and returns results back to client. Ext.Direct makes it look like we are calling server methods directly at client.
You know, I’m not very big fan of factory functions, nevertheless, I’m aware of the fact that they may be necessary in some situations.
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