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

Changing grid panel data using cell editors

The Customers grid built in this recipe illustrates how different cell editors are used to allow for in-place editing of a data record.

A text field can be used as a cell editor as shown in the following screenshot:

Combo boxes can also serve as cell editors:

How to do it...

  1. 1. Define the customers' data store:

    var customersStore = new{
    url: 'grid-editor.php',
    baseParams: { xaction: 'customers' },
    root: 'customers',
    idProperty: 'ID',
    fields: ['ID', 'name', 'address', 'zip code', 'phone', 'city'],
    writer: new
  2. 2. Define the cities data store. This store will feed the cities lookup:

    var citiesStore = new{
    url: 'grid-editor.php',
    baseParams: { xaction: 'cities' },
    root: 'cities',
    fields: ['city_id', 'city']
  3. 3. Create the grid panel:

    Ext.onReady(function() {
    var grid = new Ext.grid.EditorGridPanel({
    store: customersStore,
    columns: [
    { header: "ID", width: 30, dataIndex...