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Ext JS 4 First Look by Loiane Groner

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Summary

In this chapter, we have covered the capabilities of the new Ext JS 4 data package through examples. We introduced the new Model class with its new capabilities, such as Associations and Validations. We learned there are two model associations—hasMany and belongsTo. We also learned the validation types.

We covered the three new client proxies—LocalStorage, SessionStorage, and Memory. We also covered the server proxies—Ajax, Rest, and JsonP. We learned how to declare proxies inside Models (and perform CRUD actions directly from the Model) or inside Stores.

We learned new Store capabilities, such as Sorting and Filtering, through examples, and we presented how readers and writers are now organized in Ext JS 4 and covered some examples.

In the ...

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