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

Combo box with autocomplete

This recipe teaches you how to use a combo box to implement the autocomplete or autosuggest feature. The Actor Name textbox shows a list of suggestions as you type:

Getting ready...

This recipe uses sample data from the Sakila sample database. You can obtain the Sakila database as well as installation instructions at the MySQL website (

How to do it...

  1. 1. Create the data store:

    var actorsDs=new{
    url: 'actors.php',
    baseParams: { cmd: 'movies' },
    root: 'actors',
    totalProperty: 'count',
    id: 'actor_id',
    fields: [{name:'id',mapping: 'actor_id'}, { name: 'name', mapping: 'name' }
  2. 2. Define the actors combo box:

    var actorSearch={
    xtype: 'combo',
    fieldLabel: 'Actor Name',
    store: actorsDs,
    valueField: 'id',
    displayField: 'name',
    typeAhead: false,
    loadingText: 'Searching...',
    emptyText: 'Type the first characters of the name',
    minChars: 3,
    anchor: '100%',
    pageSize: 0,
    hideTrigger: true,
    editable: true,
    triggerAction: ...