Bleext
The Blog Tutorials about ExtJS and Sencha Touch
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Loading classes dynamically with ExtJS4
Ext JS 4 introduces a simple way to load classes on demand, this will allow us to optimize the initial load of our application and only load the modules when the user requests.
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Naming conventions
Ext JS 4 introduces a file upload system on demand, something that was sorely missing in previous versions, if you need to use this new class loading system there are certain rules and conventions that we need to follow in order to make our lives easier.
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Configurations, Statics and Singleton in Ext JS 4
As I mentioned in previous tutorials, Ext4 adds new functionality to the classes in a very simple way using the pro/pre-processors, this tutorial will explain how to use configurations, create static properties and define a class as Singleton.
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Using alias and xtype in Extjs4
The Ext JS version 4 provides several interesting options, the way in which the xtype of the components is defined has changed and it has new special properties now. In this tutorial I will show you the new features.
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Multiple inheritance in Ext 4 (mixins)
This new version (Ext4) has been written completely new, with the purpose of making it very flexible and easy to learn, one of the new features that this version provides is that now we can do multiple inheritance using mixins. In this tutorial we will see how to use mixins and use them correctly.
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Single Inheritance
Ext JS has always been characterized as an object oriented library, from the first version Ext JS has provided a system for creating classes and inheritance, among releases it has been changing a bit, but in version 4 the system classes have changed considerably.
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Creating Classes in ExtJS 4
Ext4 defines a new way of creating classes, I think it is much simpler and clearer to understand the way it works now, also with the new pre-processors and post-processors we have many possibilities to create our classes.
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Installing Ext JS 4
As many of you have heard, Sencha (the company behind the development of ExtJS) has released the version 4 of the ExtJS framework a couple of months ago, if you’ve been working with previous versions you will notice many differences; in this tutorial I will show you how to install the version 4 of ExtJS .