Delete Participants

Identifier:

org.eclipse.ltk.core.refactoring.deleteParticipants

Since:

3.0

Description:

This extension point is used to define refactoring delete participants.

This extension point supports the <enablement> element. The default variable is the element to be deleted.
Defined variables for <with> expressions are:

"element": type java.lang.Object; the element to be deleted (same as the default variable)
"affectedNatures": type java.util.List<String>; the natures of all projects affected by the refactoring
"processorIdentifier": type java.lang.String; the id of the refactoring processor that will own the participant

Configuration Markup:

<!ELEMENT extension (deleteParticipant*)>

<!ATTLIST extension

point CDATA #REQUIRED

id CDATA #IMPLIED

name CDATA #IMPLIED>

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

<!ELEMENT deleteParticipant (enablement)>

<!ATTLIST deleteParticipant

id CDATA #REQUIRED

name CDATA #REQUIRED

class CDATA #REQUIRED>

id - unique identifier for the delete participant.
name - a human reabable name of the delete participant
class - the name of the class that provides the participant implementation.

Examples:

The example below defines a delete participant. The participant is enabled if one of the project affected by the refactoring has a Java nature and when the element to be deleted is of type ICompilationUnit.


<deleteParticipant
    id="org.myCompany.deleteParticipant"
    name="%DeleteParticipant.name" 
    class="org.myCompany.Participant">
    <enablement>
      <with variable="affectedNatures">
        <iterate operator="or">
          <equals value="org.eclipse.jdt.core.javanature"/>
        </iterate>
      </with>
      <with variable="element">
        <instanceof value="org.eclipse.jdt.core.ICompilationUnit"/>
      </with>
    </enablement>
</deleteParticipant>

API Information:

The contributed class must extend org.eclipse.ltk.core.refactoring.participants.DeleteParticipant

Copyright (c) 2001, 2013 IBM Corporation and others.
This program and the accompanying materials are made available under the terms of the Eclipse Public License 2.0 which accompanies this distribution, and is available at https://www.eclipse.org/legal/epl-v20.html/ SPDX-License-Identifier: EPL-2.0