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Ext JS Application Development Blueprints

You're reading from   Ext JS Application Development Blueprints Develop robust and maintainable projects that exceed client expectations using Ext JS

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Product type Paperback
Published in Apr 2015
Publisher
ISBN-13 9781784395308
Length 340 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (13) Chapters Close

Preface 1. Introduction FREE CHAPTER 2. MVC and MVVM 3. Application Structure 4. Sencha Cmd 5. Practical – a CMS Application 6. Practical – Monitoring Dashboard 7. Practical – an E-mail Client 8. Practical – Questionnaire Component 9. A Shopping Application 10. Debugging and Performance 11. Application Testing Index

Data first


All our models will inherit from a base model, which will be used to specify the following command:

// app/model/BaseModel.js
Ext.define('Instrumatics.model.BaseModel', {
    extend: 'Ext.data.Model',

    schema: {
        namespace: 'Instrumatics.model',
        urlPrefix: 'http://localhost:3000',
        proxy: {
            type: 'ajax',
            url: '{prefix}/{entityName:uncapitalize}'
        }
    },
});

Note

We've assumed that we have an API server running at localhost on port 3000 and supplied this information as the URL prefix.

We used the schema configuration in the last chapter, but now that we're about to use it with multiple models, it really comes into its own. In each of the models that inherit from BaseModel, the model's name will be inserting into the proxy URL in place of the entityName token. This avoids duplicating the URL configuration across multiple models. We can now create our LogEntry model as per our design:

// app/model/LogEntry.js
Ext.define('Instrumatics...
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