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Eclipse Plug-in Developer Guide
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Eclipse Platform
Release 3.5


Provides core help system for the platform.


Interface Summary
IAnchor Specifies a location in a document where other plug-ins may contribute additional content.
ICommandLink Represents a link with text that invokes a specific command with parameters.
IContentExtension An extension of a document's content.
IContext A context registered for context-sensitive help.
IContext2 Extends IContext to provide support for styled text and topic categorization.
IContext3 Extends IContext2 to provide support for related command links.
IContextProvider Dynamic context provider.
IHelp Deprecated. This interface became obsolete in 3.0, along with the extension point that it was associated with.
IHelpContentProducer Producer capable of generating or otherwise obtaining contents for help resources.
IHelpResource A help resource, usually a help topic.
IInclude A directive indicating the content at the given path should be included in this document, and replace this node.
IIndex IIndex represents metaphor of the book index.
IIndexContribution Represents either a complete or partial keyword index, as well as its metadata.
IIndexEntry IIndexEntry represents a single entry of the help index.
ILink A directive indicating a link to another toc to be inserted at (and replace) this link.
ILiveHelpAction Live Help Extension.
IToc An IToc represents the root node of a toc, for either a complete toc (book) or a part of one to be assembled into a larger one.
ITocContribution Represents either a complete or partial table of contents, as well as its metadata.
ITopic An ITopic is one topic in the table of contents, which may contain subtopics.
IUAElement An element in a UA document, which may have conditional enablement (may be filtered based on certain conditions) and may have sub-elements, or children.

Class Summary
AbstractContentExtensionProvider An AbstractContentExtensionProvider is a mechanism to provide arbitrary content extensions (e.g. contributions to anchors or element replacements).
AbstractContextProvider An AbstractContextProvider is a mechanism to provide arbitrary context-sensitive help for any part of the UI.
AbstractIndexProvider An AbstractIndexProvider is a mechanism to provide arbitrary content to the keyword index.
AbstractTocProvider An AbstractTocProvider is a mechanism to provide arbitrary content to the table of contents (TOC).
HelpSystem This class provides general access to help content contributed to the "" and "" extension points.
UAContentFilter This class provides the ability to filter out user assistance model elements that support filtering (e.g.

Package Description

Provides core help system for the platform.

Package Specification

There is a general mechanism (defined at the plug-in level) by which individual plug-ins contribute online help and context-sensitive help for their component. This package defines interfaces for data objects managed by help systems, as well as HelpSystem class which static methods can be used to obtain objects managed by the help system.

Eclipse Platform
Release 3.5

Guidelines for using Eclipse APIs.

Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.

  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire