Book Image

Ext JS 3.0 Cookbook

Book Image

Ext JS 3.0 Cookbook

Overview of this book

Using Ext JS you can easily build desktop-style interfaces in your web applications. Over 400,000 developers are working smarter with Ext JS and yet most of them fail to exercise all of the features that this powerful JavaScript library has to offer. Get to grips with all of the features that you would expect with this quick and easy-to-follow Ext JS Cookbook. This book provides clear instructions for getting the most out of Ext JS with and offers many exercises to build impressive rich internet applications. This cookbook shows techniques and "patterns" for building particular interface styles and features in Ext JS. Pick what you want and move ahead. It teaches you how to use all of the Ext JS widgets and components smartly, through practical examples and exercises. Native and custom layouts, forms, grids, listviews, treeviews, charts, tab panels, menus, toolbars, and many more components are covered in a multitude of examples.The book also looks at best practices on data storage, application architecture, code organization, presenting recipes for improving themóour cookbook provides expert information for people working with Ext JS.
Table of Contents (15 chapters)
Ext JS 3.0 Cookbook
About the Author
About the Reviewer

A three-panel application layout with a single line of code

This recipe explains how you can build a reusable Ext JS component that encapsulates one of the most popular GUI styles—a three-panel layout. Using the component will produce a layout like the one shown in the following screenshot:

This layout consists of a Navigation panel, a Master panel, and a Details panel as shown in the following screenshot:

The Master panel has a toolbar with a button that switches the Details panel's location from bottom to right, or hides it altogether:

Besides being able to add components to any of the layout's panels via configuration objects, you can also reconfigure any of the panels by the same means.

How to do it...

  1. 1. Create the skeleton code of our component:

    Ext.ux.ThreePanelApp=function(conf) {
    // Master Panel
    // Details Panel
    // Nav Panel
    // MasterDetailsCnt
  2. 2. Create the Master panel:

    MasterPanel=function(conf) {
    config={ title: 'Master',
    region: 'center',
    tbar: [{
    split: true...