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Ext JS Application Development Blueprints

By : Colin Ramsay

4 (1)

Ext JS Application Development Blueprints

4 (1)

By: Colin Ramsay

Overview of this book

If you are a developer who has knowledge of Ext JS but would like to expand it to encompass the bigger picture of application development, then this book is ideal for you.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Introduction

1. Introduction

Humble beginnings

What is application architecture?

Ext JS

Getting ready

In safe hands

Summary

2. MVC and MVVM

2. MVC and MVVM

Diary of always

Bringing MVC to the Web

Ext JS and MVC

How does it help your application

MVC and the illusion of choice

Introducing MVVM

An event domain example

Summary

3. Application Structure

3. Application Structure

Ideas for structure

Getting to know your application

Cultivating your code

The solution to pollution

Summary – mind your own beeswax

4. Sencha Cmd

4. Sencha Cmd

What is Sencha Cmd?

Why is it important?

Setting up your application

The generation game

Develop in style

Care for the environment

Before the build

Code complete

The best of the rest

Summary

5. Practical – a CMS Application

5. Practical – a CMS Application

A content-managed system

The requirements

Starting at the bottom

Work your way up

Where the wild things are

The real deal

Creating a structure

Data-driven design

A room with a view

Summary

6. Practical – Monitoring Dashboard

6. Practical – Monitoring Dashboard

Application design

Requirements

Data structure

The view from the top

Flexibility and pragmatism

Does this hurt?

Onwards and upwards

Data first

Storing the data

With a view to a controller

The main view controller

The dashboard

The dashboard view model

The dashboard view controller

Web logs subpage

A view on the Web

Controlling the Web

More and more subpages

Summary

7. Practical – an E-mail Client

7. Practical – an E-mail Client

Form factors

Application design

I require to admire

Responding to the situation

Input required

A view to a thrill

Application state

A binding agreement

An eventful application

Coding – it's been a long time

It's under control

Login view

Main force

The head of the family

Unravel the thread

I am the best message

A composed finish

Deciding on a theme

Summary

8. Practical – Questionnaire Component

8. Practical – Questionnaire Component

Application design – my way

Data structure

Data flow

Sketchy sketching

Get set

The data layer

The payload

The wizard component

One step forward

Making progress

Step by step

Questionnaire command and control

The wizard model

A delightful host

Mixin the night away

Summary

9. A Shopping Application

9. A Shopping Application

About the app

Back to Ext JS

The data layer

Component interaction

The simplicity of view models

Code, code, and more code

Interface in your face

Categorically speaking

Product placement

A basket case

The account window

Summary

10. Debugging and Performance

10. Debugging and Performance

In-browser debugging

Breaking and busting

Performance in Ext JS

Quick on the draw

Analyzing performance

Summary

11. Application Testing

11. Application Testing

Total testing

Testing tool time with Jasmine

Testing with robots

Testability

Faking it with mocks

Continuous coverage

Summary

Index

Index

Preface

In times gone by, JavaScript was used to provide minor enhancements to the Web in order to decorate pages with amusing effects or to validate user input. Slowly but surely, as browsers implemented faster JavaScript engines and new features and as developers and engineers came up with new techniques and ideas, JavaScript became near-ubiquitous in providing the functionality that end users have come to expect. With Ext JS, you have a toolset that allows you to build advanced JavaScript applications, but with great power comes great responsibility.

An application architect is the guiding hand of a project. They help to ensure that client expectations are met, timescales are achieved, and costs are contained. While juggling these requirements, the architect must provide the foundations for a technically successful project consisting of high quality, understandable code.

In Ext JS Application Development Blueprints, we'll go through the theory and practice of designing and building Ext JS applications. Over the next 11 chapters, you'll learn how Ext JS gives developers the key to a professionally designed software project and how to take this knowledge and use it in a range of real-world scenarios.

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Tech Concepts

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Programming languages

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