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EclipseJDT Plug-in Developer Guide
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Java Completion Proposal Computer

Identifier:
org.eclipse.jdt.ui.javaCompletionProposalComputer

Since:
3.2

Description:
This extension point allows to contribute Java completion proposal computers to participate in the content assist process of the Java editor.

Configuration Markup:

<!ELEMENT extension ( javaCompletionProposalComputer | proposalCategory)>

<!ATTLIST extension

point CDATA #REQUIRED

id    CDATA #REQUIRED

name  CDATA #IMPLIED

>

  • point - a fully qualified identifier of the target extension point
  • id - the proposal category id
  • name - an optional name of the extension instance

<!ELEMENT javaCompletionProposalComputer ( partition)*>

<!ATTLIST javaCompletionProposalComputer

class      CDATA #REQUIRED

activate   (true | false) "false"

categoryId IDREF "org.eclipse.jdt.ui.defaultProposalCategory"

>

A proposal computer contribution. If no partition types are specified, the computer is added to all partition types.


  • class - the name of the class that implements the contributed computer. The class must be public and implement org.eclipse.jdt.ui.text.java.IJavaCompletionProposalComputer and must have a public 0-argument constructor.
  • activate - if the attribute is set to "true" it will force this plug-in to be loaded on content assist invocation
  • categoryId - the id of a proposalCategory

<!ELEMENT partition EMPTY>

<!ATTLIST partition

type (__dftl_partition_content_type|__java_singleline_comment|__java_multiline_comment|__java_javadoc|__java_string|__java_character)

>

  • type - a Java partition type for which the specified computer can provide completion proposals. See IDocument.DEFAULT_CONTENT_TYPE and IJavaPartitions for valid values.

<!ELEMENT proposalCategory EMPTY>

<!ATTLIST proposalCategory

icon CDATA #IMPLIED

>

A proposal category contribution defines categories of proposals used to group them in the UI.


  • icon - an optional icon of the category, which can be displayed in the user preferences

Examples:
The following is an example of a Java completion proposal computer contribution:


 <extension point=
"org.eclipse.jdt.ui.javaCompletionProposalComputer"

   id=
"textual_proposals"

   name=
"Text Proposals"
>
   <proposalCategory icon=
"icons/wordcompletions.png"
/>
 </extension>
 <extension point=
"org.eclipse.jdt.ui.javaCompletionProposalComputer"

   id=
"WordCompletionProposalComputer"

   name=
"Word Completion Proposal Computer"
>
   <javaCompletionProposalComputer
      class=
"org.eclipse.jdt.internal.ui.text.java.HippieProposalComputer"

      categoryId=
"org.eclipse.ui.texteditor.textual_proposals"
>
      <partition type=
"__java_javadoc"
/>
   </javaCompletionProposalComputer>
 </extension>

Supplied Implementation:
see org.eclipse.jdt.internal.ui.text.java.HippieProposalComputer for an example.


Copyright (c) 2006, 2008 IBM Corporation and others.
All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at https://www.eclipse.org/legal/epl-v10.html


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