Dojo
Using the Dojo Javascript Library to Build Ajax Applications
(Sprache: Englisch)
This book describes a tool used to program web pages. Because of his experience as a developer, James understands programming and the key audience that needs this book. Additionally, his experience as a trainer has afforded him the ability to explain...
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This book describes a tool used to program web pages. Because of his experience as a developer, James understands programming and the key audience that needs this book. Additionally, his experience as a trainer has afforded him the ability to explain technical concepts to this audience and to understand their needs and interests.
Klappentext zu „Dojo “
This book describes a tool used to program web pages. Because of his experience as a developer, James understands programming and the key audience that needs this book. Additionally, his experience as a trainer has afforded him the ability to explain technical concepts to this audience and to understand their needs and interests.Inhaltsverzeichnis zu „Dojo “
Foreword xiii Acknowledgments xv About the Author xvi I: A Dojo Tutorial 1 Understanding Dojo: A Tutorial 3 1.1 Introduction to the Tutorial 3 1.1.1 Goals for this Tutorial 4 1.1.2 Goals for Using Dojo 4 1.2 A Standard HTML Data Entry Form 5 1.2.1 First and Last Name 6 1.2.2 User Name 7 1.2.3 Email Address 8 1.2.4 Address 8 1.2.5 State 8 1.2.6 City 10 1.2.7 Zip Code 10 1.2.8 Service Date 11 1.2.9 Comments 11 1.3 The Plan for Enhancing the Form 12 1.3.1 Including Dojo in the Form 12 1.3.2 Adding Client-side Validation 13 1.3.3 Adding Server-side Features 13 1.3.4 Using Additional Specialized Dojo Widgets 13 1.3.5 Processing the Form 14 1.4 Getting and Running the Source Code 14 1.5 Tutorial Step 1--Including Dojo 15 1.5.1 Download or Create the Source Files 15 1.5.2 Include the Code for the Dojo Toolkit 19 1.5.3 Include Dojo Style Sheets 20 1.5.4 Review All the Code Changes 21 1.5.5 Run the New Page 22 2 Using Dojo for Client-side Validation 25 2.1 Validating Form Fields 25 2.2 Tutorial Step 2--Adding Client-side Validation 26 2.2.1 Validate the First Name Field 27 2.2.2 Validating the Last Name Field 30 2.2.3 Validating the User Name Field 31 2.2.4 Validating the Email Address Field 31 2.2.5 Validating the Address Field 32 2.2.6 Validating the City Field 33 2.2.7 Validating the Zip Code Field 33 3 Using Dojo to Work with the Server 35 3.1 Adding Server-side Features 35 3.2 Tutorial Step 3a--Adding Server-side Validation 36 3.2.1 Assign Event Handler Function 36 3.2.2 Make a Call to the Server 38 3.3 Tutorial Step 3b--Retrieving Data from the Server 43 3.3.1 Select Appropriate Widget for the City Field 43 3.3.2 Get the Value of State and Send to the Server 45 4 Using Dojo Widgets 51 4.1 Adding Dojo Widgets to the Page 51 4.1.1 Dijit--The Dojo Widget Module 52 4.2 Tutorial Step 4--Using Dojo Widgets 52 4.2.1 Use the Dojo DateTextBox Widget 53 4.2.2 Use the Dojo Rich Text Editor Widget 55 5 Processing Forms with Dojo 59 5.1 Using Dojo to Process Forms 59 5.2 Tutorial
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Step 5--Processing the Form 60 5.2.1 Creating a Dojo Form Widget 60 5.2.2 Intercept Form Submission 61 5.2.3 Check That All Form Elements Are Valid 62 5.2.4 Submitting the Form to the Server 63 II: Dojo Widgets 6 Introduction to Dojo Widgets 67 6.1 What Are Widgets? 67 6.2 What Are Dojo Widgets? 68 6.3 Components of a Dojo Widget 70 6.3.1 Widget HTML 70 6.3.2 Widget Styles 74 6.3.3 JavaScript Component of a Widget 76 6.3.4 Dojo Widget Hierarchy 78 6.3.5 Visual Overview of Dojo Widgets 83 6.3.6 Building Your Own Widgets 90 7 Dojo Form Widgets 91 7.1 Standard Forms and Dojo Form Widgets 91 7.1.1 The dijit.form._FormWidget Class 92 7.2 The Dojo Form Widget Explained 94 8 Dojo Layout Widgets 137 8.1 Understanding Page Layout 137 8.1.1 The dijit.layout._LayoutWidget Class 138 8.2 Explanation of Dojo Layout Widgets 139 9 Other Specialized Dojo Widgets 155 9.1 What Are Specialized Widgets? 155 9.2 Menu Widget 156 9.2.1 dijit.Menu 157 9.2.2 dijit.MenuItem 157 9.2.3 dijit.MenuSeparator 157 9.2.4 dijit.PopupMenuItem 158 III: Dojo in Detail 10 What Is Dojo? 189 10.1 History of JavaScript and AJAX 189 10.2 History of Dojo 191 10.3 Purpose of Dojo 191 10.4 Description of Dojo 192 10.5 What Problems Does Dojo Solve? 193 10.6 Who Should Use Dojo? 194 10.7 Licensing 195 10.8 Competitors and Alternatives 195 10.9 The Future of Dojo 197 11 Technical Description of Dojo 199 11.1 What You Get in the Dojo Download 199 11.2 Organization of Dojo Source Code 201 11.2.1 First-level Directories 201 11.2.2 Digging Deeper into the Dojo Directory 202 11.3 Dojo Modules and Features 203 11.3.1 Naming Conventions and Name Space 204 11.3.2 Dojo Base Module 205 11.3.3 Dojo Core Modules 217 12 Objects and Classes 223 12.1 Objects Explained 223 12.1.1 Creating Objects 224 12.1.2 Encapsulation 224 12.1.3 Object Templates 225 12.1.4 JavaScript Prototypes 227 12.2 Using Dojo to Work with Objects 228 12.2.1 Dojo Function: dojo.declare 229 12.3 Defining a Class 229 12.3.1 Superclasses and Inheritance 231 12.3.2 API for dojo.declare 231 12.3.3 Other Dojo Functions 233 12.3.4 Object Graphs and Dot Notation 234 13 Strings and JSON 239 13.1 Text Strings 239 13.1.1 Dojo Function: dojo.string.pad 240 13.1.2 Usage Example for dojo.string.pad 241 13.1.3 Dojo Function: dojo.string.substitute 241 13.1.4 Usage Example for dojo.string.substitute 243 13.2 JSON 244 13.2.1 Dojo Function: dojo.toJson 246 13.2.2 Usage Example for dojo.toJson 246 13.2.3 Dojo Function: dojo.fromJson 247 14 Events and Event Handling 249 14.1 Description of the Event Model 249 14.1.1 What Are Events? 250 14.1.2 Additional Dojo Events 251 14.2 Defining and Assigning Event Handlers 252 14.2.1 Using dojo.connect to Assign Event Handlers 252 14.2.2 Usage Example for Assigning Event Handlers 253 14.3 Representing an Event as an Object 254 14.4 Using Aspect Oriented Programming in Dojo 256 15 Ajax Remoting 259 15.1 Remoting 259 15.2 Review of XMLHttpRequest (or XHR for Short) 260 15.3 The dojo.xhrGet Function 261 15.3.1 Parameters in Detail 264 15.4 dojo.xhrPost 264 15.4.1 Usage Example--Error Handling 268 15.5 Working with Forms 269 15.5.1 Dojo Function dojo.formToObject 270 15.5.2 Dojo Function dojo.objectToQuery 271 15.5.3 Dojo Function dojo.formToQuery 272 15.5.4 Dojo Function dojo.formToJson 274 15.5.5 Dojo Function dojo.queryToObject 274 16 Working with the DOM 277 16.1 Finding Needles in the DOM Haystack 277 16.2 Dojo Query 278 16.2.1 CSS Selectors 279 16.2.2 Using Selectors in dojo.query 282 16.2.3 Using DOM Elements Found by dojo.query 283 16.3 Animation 283 16.3.1 Understanding Animation 283 16.3.2 Dojo Animation Function 285 16.3.3 Standard Animation Effects 286 17 Testing and Debugging 293 17.1 Testing 293 17.1.1 Unit Testing 294 17.1.2 DOH--The Dojo Unit Testing Framework 294 17.1.3 Other Types of Testing 298 17.2 Logging 298 17.2.1 Basic Logging 299 17.2.2 Advanced Logging 300 Index 303
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Autoren-Porträt von James Harmon
James E. Harmon is the President and Senior Instructor at Object Training Group in Chicago. He is an experienced developer who spent a majority of his career building large scale online applications at Accenture and for several other Web-centric consulting firms. He now specializes in training Java Developers to be more productive by using the latest technologies and frameworks. The book's web site is http://www.ObjectTrainingGroup.com/dojobook.
Bibliographische Angaben
- Autor: James Harmon
- 2008, 336 Seiten, Maße: 17,7 x 22,8 cm, Kartoniert (TB), Englisch
- Verlag: PEARSON EDUCATION
- ISBN-10: 0132358042
- ISBN-13: 9780132358040
Sprache:
Englisch
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