book

Dojo: The Definitive Guide

Name: Dojo: The Definitive Guide
Author: Matthew A. Russell
ISBN: 9780596551728

by Matthew A. Russell

June 2008

Intermediate to advanced

488 pages

15h 3m

English

O'Reilly Media, Inc.

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Dojo: The Definitive Guide
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A Note Regarding Supplemental Files
Foreword
Preface
Why Dojo?
What's in This Book
What's Not in This Book
Open Source Software Is Fluid
About You
Development ToolsEssential Working KnowledgeClosuresContextAnonymous functions
Conventions Used in This Book
Style Conventions

Using Code Examples
Safari® Books Online
We'd Like to Hear from You
Acknowledgments
I. Base and Core
1. Toolkit Overview
Overview of Dojo's ArchitectureBaseCoreDijitDojoXUtil
Prepping for Development
Getting DojoDownloading an official releaseDownloading from SubversionAOL's CDNDebugging with FirebugBrowser Security Settings for Running Dojo LocallyLightweight Server Responses
Terminology
Bootstrapping
dojo.addOnLoadConfiguration with djConfig
Exploring Dojo with Firebug
Exploring Basedojo.byIddojo.connectExploring Dijit
Summary
2. Language and Browser Utilities
Looking Up DOM Nodes
Type Checking
Duck Typing
String Utilities
Array Processing
Finding Locations of ElementsTesting Elements for a ConditionIterating Over ElementsTransforming ElementsString-As-Function Style Arguments
Managing Source Code with Modules
Motivation for Managing the MayhemCustom Module Example Over XDomainFibonacci Example with Local Toolkit InstallationBuilding a Magic Genie Example Module
JavaScript Object Utilities
MixinsExtending Object PrototypesCloning Objects
Manipulating Object Context
Partially Applying ParametersHitching an Object to a Specific ContextDelegation and Inheritance
DOM Utilities
AncestrySelectabilityStyling NodesManipulating AttributesPlacing NodesThe Box Model
Browser Utilities
CookiesBack Button Handling
Summary
3. Event Listeners and Pub/Sub Communication
Event and Keyboard NormalizationMouse and Keyboard Event NormalizationStandardized Key Codes
Event Listeners
Event PropagationLeveraging Closures with dojo.connectOne-time connectionsSetting up connections within a loopConnecting in Markup
Publish/Subscribe Communication
Summary
4. AJAX and Server Communication
Quick Overview of AJAXJSON
AJAX Made Easy
XHR ExamplesGeneral Purpose XMLHttpRequest CallsHitching Up Callbacks
Deferreds
Deferred Examples Via CherryPyUsing Deferreds returned from XHR functionsInjecting Deferreds into XHR functionsCustom cancellerDeferredList
Form and HTTP Utilities
Cross-Site Scripting with JSONP
JSONP Primer
Core IO
Using JSONP with DojoConnecting to a Flickr data sourceGetting back JavaScript from a JSONP callIFRAME TransportsFile downloads with IFRAMEsForm submissions with IFRAMEsNon-HTML response typesManually creating a hidden IFRAME
JSON Remote Procedure Calls
JSON RPC Example
OpenAjax Hub
Summary
5. Node Manipulation
Query: One Size Fits AllWarm UpState Tracking ExampleThe long, brittle wayThe short, robust way
NodeList
Array-Like MethodsChaining NodeList resultsString-as-Function style ArgumentsEnhanced filteringStylePlacementDOM Event ShortcutsAnimation
Creating NodeList Extensions
Behavior
Summary
6. Internationalization (i18n)
Introduction
Internationalizing a Module
Layout on DiskDefining String TablesPutting It All TogetherUse build tools for snappy performance
Dates, Numbers, and Currency
DatesNumbersCurrency
Summary
7. Drag-and-Drop
DraggingSimple MoveablesDrag EventsZ-IndexingConstrained Moveables
Dropping
Pure TargetsCustom AvatarsDrop EventsScripting Droppables
Summary
8. Animation and Special Effects
AnimationSimple FadesAnimating Arbitrary CSS PropertiesProgramatically Controlling Animations
Core fx
SlidingWipingChaining and CombiningToggling
Animation + Drag-and-Drop = Fun!
Colors
Creating and Blending ColorsNamed Color Values Available Via BaseAdditional Color Values Available Via Core
Summary
9. Data Abstraction
Shifting the Data Paradigm
Data API Overview
The APIs
The Read APIThe Identity APIThe Write APIThe Notification API
Core Implementations of Data APIs
ItemFileReadStoreHierarchical JSON and JSON with referencesItemFileReadStore walkthroughFetching an item by identityFetching an item by arbitrary criteriaQuerying child itemsItemFileWriteStoreModifying an existing itemCreating and deleting itemsCustom savesResponding to notificationsSerializing and Deserializing Custom Data TypesImplicit type-mappingCustom type maps
Summary
10. Simulated Classes and Inheritance
JavaScript Is Not Java
One Problem, Many Solutions
Typical JavaScript InheritanceMixin PatternDelegation Pattern
Simulating Classes with Dojo
The Basic Class Creation PatternA Single Inheritance ExampleA common gotcha with prototype-based inheritanceCalling an inherited method
Multiply Inheriting with Mixins
Multiple Inheritance Oddities
Summary
II. Dijit and Util
11. Dijit Overview
Motivation for DijitLow Coupling, High Cohesion
Accessibility (a11y)
Common a11y IssuesWAI-ARIA
Dijit for Designers
ThemesNodes Versus Dijits, DOM Events Versus Dijit Methods
The Parser
Parsing a Widget When the Page LoadsManually Parsing a WidgetDemystifying the Parser
Hands-on Dijit with NumberSpinner
Creating from MarkupProgrammatic CreationLots of NicetiesDefining Methods in Markup
Overview of Stock Dijits
Form DijitsLayout DijitsApplication Dijits
Dijit API Drive-By
Summary
12. Dijit Anatomy and Lifecycle
Dijit AnatomyWeb Development ReviewDijits to the Rescue
Dijit Lifecycle Methods
The _Widget LifecycleLifecycle methodsEssential propertiesMixing in _TemplatedLifecycle methodsEssential properties
Your First Dijit: HelloWorld
HelloWorld Dijit (Take 1: Bare Bones)HTML pageCSSTemplateJavaScriptHelloWorld Dijit (Take 2: Modifying The Template)HelloWorld Dijit (Take 3: Interning the Template)HelloWord Dijit (Take 4: Passing in Parameters)HelloWorld Dijit (Take 5: Associating Events with Dijits)
Parent-Child Relationships with _Container and _Contained
Rapidly Prototyping Widgets in Markup
Summary
13. Form Widgets
Drive-By Form Review
Form Dijits
TextBox Variations
TextBoxValidationTextBoxMappedTextBox and RangeBoundTextBoxTimeTextBox and DateTextBoxCommonalities between DateTextBox and TimeTextBoxSerializing data to the serverDon't forget about inherited propertiesNumberTextBoxNumberSpinnerCurrencyTextBoxComboBox
FilteringSelect
MultiSelect
Textarea Variations
TextareaSimpleTextarea
Button Variations
ButtonToggleButtonCheckBoxRadioButtonDropDownButtonComboButton
Slider
HorizontalSliderVerticalSlider
Form
HTML Form Tag SynopsisForm
Summary
14. Layout Widgets
Layout Dijit CommonalitiesProgrammatic CreationKeyboard Support
ContentPane
BorderContainer
StackContainer
Procrastination (a.k.a. Lazy Loading) May Yield Better Performance
TabContainer
AccordionContainer
Rendering and Visibility Considerations
Summary
15. Application Widgets
Tooltip
Dialog Widgets
DialogTooltipDialog
ProgressBar
ColorPalette
Toolbar
Menu
TitlePane
InlineEditBox
Tree
Simple TreeSimple ForestResponding to Click EventsTree-Related APIsDrag-and-Drop with the TreeDrag-and-droppable Tree example
Editor
Editor ArchitectureEditor Plug-Ins
Summary
16. Build Tools, Testing, and Production Considerations
BuildingRunning a BuildBuild ProfilesSetting up a build profileSetting up a (more clever) build profileStandard build profileShrinkSafe optimization and other common options
Dojo Objective Harness (DOH)
Rhino Test Harness Without DojoRhino Test Harness with Dojo
Browser-Based Test Harness
Browser Test ExampleAsynchronous Browser Test Example
Performance Considerations
Benefits of XDomain buildsDon't optimize prematurely
Summary
A. A Firebug Primer
Installation
To Allow or Not to Allow?
Now for the Fun Stuff
Inspect
Console
HTML and CSS
Script and DOM
Net
Go Forth and Dismantle
B. A Brief Survey of DojoX
Index
About the Author
Colophon
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by Matthew A. Russell

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