Document Object Model: Processing Structured Documents

Document Object Model Analogy: In many ways, the Document Object Model (DOM) can be compared to the schematic of a house. A house's schematic details the relation and placement of objects within a house. For instance, within a schematic, you are able to understand the relationship of the sink to the wall, as well as the corresponding plumbing. In other words, the schematic defines the relationship of one object to another and often, illustrates the rules by which they are governed. HTML and XML documents are also composed of objects, and although these objects may not be physical, like a sink, their organisation and interaction is still coordinated by a set of rules. In this case, the DOM acts as a foundation for the placement and interaction of objects within a document. Whether the object is a table, a piece of information, or a script, the DOM specifies a model for the interaction of these objects. For developers, a thorough understanding of these relationships is paramount, and often, it forms the basis for a system's development.

Document Object Model: Processing Structured Documents

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Document Object Model: Processing Structured Documents

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Product Details

ISBN-13:	9780072224368
Publisher:	McGraw-Hill/Osborne Media
Publication date:	07/24/2002
Series:	One-Off
Pages:	377
Product dimensions:	7.42(w) x 9.38(h) x 0.89(d)

	Acknowledgments	xvii
	Introduction	xix
Part I	Overview of the W3C Document Object Model
Chapter 1	Introduction to the DOM	3
	What Is the Document Object Model?	4
	The DOM Philosophy	6
	Yet Another Standard?	6
	Design Philosophy	7
	Object-Oriented vs. Flat Views of the DOM Interfaces	7
	History of the DOM	8
	The DOM on the Client	8
	The DOM on the Server	9
	Levels of the DOM	9
	Level 1	10
	Level 2	11
	Level 3	12
	Conventions Used in the DOM Specification	12
	What the DOM Isn't	14
	Conclusion	15
Chapter 2	How the DOM Represents Structured Documents	17
	Basic DOM Data Types	18
	The DOMString Type	18
	The DOMTimeStamp Type	19
	Handling Errors: The DOMException Interface	19
	The Document Tree Structure	20
	DOM Node Types	22
	The Fundamental Core DOM Interfaces	24
	DOMException Codes	25
	The DOM Node Interface	26
	Node Helper Interfaces: NodeList and NamedNodeMap	31
	The DOMImplementation Interface	33
	The Document Interface	34
	The DocumentFragment Interface	37
	The Element Interface	37
	The Attr Interface	40
	The CharacterData Interface	41
	The Comment Interface	43
	The Text Interface	43
	The Extended Core Interfaces	44
	CDATASection Interface	44
	DocumentType Interface	44
	Notation Interface	45
	Entity Interface	46
	EntityReference Interface	46
	ProcessingInstruction Interface	46
	Conclusion	47
Chapter 3	Navigating and Manipulating Structured Documents	49
	Working with Nodes	50
	A Word About Namespaces	51
	Obtaining Object References to Nodes	52
	Inspecting Nodes	53
	Manipulating Nodes	56
	Creating New Nodes	62
	Importing Nodes from Other Documents	65
	Traversing Documents	67
	Using the Node Interface Properties	67
	Using the DOM Level 2 Traversal Module	68
	Conclusion	84
Part II	Real-World DOM
Chapter 4	Algorithms	87
	DOM Algorithms	88
	Basic Node Traversal Algorithms	88
	Position-Based Algorithms	91
	Determining Whether a Node Has an Ancestor of a Given Type	91
	Determining Whether a Node Has a Sibling of a Given Type	92
	Content-Based Algorithms	93
	Determining Whether a Node Contains Another Node	93
	Better Versions of Node Interfaces: Retrieving Relative Nodes by Type	95
	Finding a Node by Attribute Value	97
	Conclusion	99
Chapter 5	Browsers	101
	DOM Support in the Major Browsers	102
	Microsoft Internet Explorer 6	103
	Netscape Navigator 6.x	103
	Opera 6	104
	Using the DOM in a Browser Environment	104
	Obtaining a Reference to the Document	105
	Examining the Structure and Content of a Page	106
	Creating and Modifying Page Elements	110
	Handling Events with the DOM Level 2 Events Interface	116
	Internet Explorer--Specific Methods and Properties	127
	Internet Explorer--Specific Properties	127
	Internet Explorer--Specific Methods	128
	Browser Quirks	129
	Internet Explorer	130
	Netscape Navigator	130
	Conclusion	130
Chapter 6	Applications	133
	DOM Implementations Aren't Just for Browsers	134
	Standalone vs. Embedded DOM Implementations	135
	The Apache Xerces Parser	135
	Where to Get Xerces	136
	Installing Xerces	137
	Getting to Know the API	139
	Using Xerces	141
	Where to Get More Information About Xerces	152
	The Microsoft MSXML Parser	152
	Where to Get MSXML4	152
	Installing MSXML4	152
	Getting to Know the API	153
	Using MSXML4	153
	Where to Get More Information About MSXML	159
	Macromedia Dreamweaver	159
	Where to Get Dreamweaver	159
	The DOM in Dreamweaver	159
	Getting to Know the API	160
	Using the Dreamweaver DOM	162
	Where to Get More Information About the Dreamweaver DOM	167
	Conclusion	167
Chapter 7	Debugging DOM Applications	169
	Importance of Good Debugging Skills	170
	Be Assertive: Use ASSERT()	171
	Defining ASSERT()	171
	Using ASSERT() Effectively	173
	Getting Fancy with ASSERT()	177
	Tracing Your Steps with TraceConsole	179
	Using the TraceConsole	181
	The TraceConsole Functions	182
	The DOMDumper	192
	DOMDumper Output	193
	DOMDumper Code	195
	Using the DOMDumper	198
	Conclusion	201
Part III	Practical Uses of the DOM
Chapter 8	Providing Automatic Document Navigation	205
	Using the DOM to Provide Better Document Navigation	206
	Example: On-the-Fly Bookmarks	207
	Setting Up	210
	Creating the User Interface Elements	211
	Building the Bookmark List	212
	Inserting the Bookmark List into the Document	213
	Responding to the User's Bookmark Selection	214
	Example: Automatic Table of Contents	215
	Setting Up	218
	Scanning the Document's Nodes	219
	Building a TOC Destination	219
	Adding the TOC Entry	220
	Example: Document Placeholders	221
	Setting Up	224
	Handling Click Events	225
	Finding a Containing Paragraph Node	226
	Conclusion	227
Chapter 9	Dynamic User Interfaces	229
	Building Dynamic User Interfaces with the DOM	230
	Creating a Color Picker	231
	In-Place List Editing	238
	DOM-Based Pop-up Menus	246
	Conclusion	254
Chapter 10	Client Processing of Data-Driven Documents	255
	Processing Data-Driven Documents on the Client	256
	Client-Side Sorting	257
	Sorting a List	257
	Sorting a Table	263
	Post-Processing Server-Generated Documents	271
	Working with Embedded XML Data in Web Pages	275
	Data Islands in Internet Explorer	276
	Data Islands in Netscape Navigator	281
	Example: Joe's Cafe Menu Application	283
	The Menu Page	283
	The Menu XML Code	285
	Generating the Menu HTML	287
	Handling User Interaction	295
	Conclusion	299
Chapter 11	Future Directions for the DOM	301
	Where Is the DOM Headed?	302
	Proposed Changes in DOM Level 3	303
	General Changes	303
	Abstract Schema Support	307
	Error Handling	308
	Loading and Saving DOM Documents	309
	Attaching Application-Specific Data to Nodes	313
	Determining Relative Document Positions of Nodes	316
	XPath Support	318
	Other Potential Future DOM Enhancements	326
	XSLT Support in the DOM	326
	Transaction-Oriented Processing	332
	Conclusion	334
Appendix	DOM Core Level 1 API Reference	337
	DOM Interface Inheritance Tree	338
	Interface Attr	338
	Properties	339
	Methods	339
	Interface CDATA	339
	Properties	340
	Methods	340
	Interface CharacterData	340
	Properties	340
	Methods	341
	Interface Comment	343
	Properties	343
	Methods	343
	Interface Document	343
	Properties	343
	Methods	344
	Interface DocumentFragment	347
	Properties	347
	Methods	347
	Interface DocumentType	347
	Properties	348
	Methods	348
	Interface DOMImplementation	348
	Properties	349
	Methods	349
	Interface DOMException	349
	Constants	349
	Properties	350
	Methods	350
	Interface Element	350
	Properties	350
	Methods	350
	Interface Entity	353
	Properties	353
	Methods	354
	Interface EntityReference	354
	Properties	354
	Methods	354
	Interface NamedNodeMap	354
	Properties	355
	Methods	355
	Interface Node	356
	Constants	357
	Properties	357
	Methods	359
	Interface NodeList	361
	Properties	361
	Methods	362
	Interface Natation	362
	Properties	362
	Methods	363
	Interface ProcessingInstruction	363
	Properties	363
	Methods	363
	Interface Text	363
	Properties	364
	Methods	364
	Index	365

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