What is a model in ExtJS?

The base class for model is Ext. data. Model. It represents an entity in an application. It binds the store data to view.

What is data package used for in ExtJS?

The data package is what loads and saves all of the data in your application.

What is Afterrender ExtJS?

afterrender is an event on the tree. Panel itself, so it will only be called after the tree. Panel is rendered. Sounds like the column renderer is being called every time the column is rendered; for example, on column sorting.

What is Ext data Store?

Summary. The Store class encapsulates a client side cache of Ext.data.Model objects. Stores load data via a Ext.data.proxy.Proxy, and also provide functions for sorting, filtering and querying the Ext.data.Model instances contained within it.

How does the ext.data.store class work?

The Store class encapsulates a client side cache of Ext.data.Model objects. Stores load data via a Ext.data.proxy.Proxy, and also provide functions for sorting, filtering and querying the Ext.data.Model instances contained within it. Creating a Store is easy – we just tell it the Model and the Proxy to use for loading and saving its data:

How to get all records in ext.data.store?

Use getData (). getSource () to fetch all unfiltered records. An Ext.util.Collection of records (an empty Collection if no records are held by the store). Loads an array of data directly into the Store. setData () is ideal if your data’s format is already in its appropriate format (e.g. it doesn’t need to be processed by a reader).

How are stores sorted in ext.util.collection?

Stores can be sorted and filtered – in both cases either remotely or locally. The cfg-sorters and cfg-filters are held inside Ext.util.Collection instances to make them easy to manage. Usually it is sufficient to either just specify sorters and filters in the Store configuration or call method-sort or filter: