Package org.eclipse.jdt.ui.text.java.correction

Class ChangeCorrectionProposal

java.lang.Object

org.eclipse.jdt.core.manipulation.ChangeCorrectionProposalCore

org.eclipse.jdt.ui.text.java.correction.ChangeCorrectionProposal

All Implemented Interfaces:

ICommandAccess, IJavaCompletionProposal, ICompletionProposal, ICompletionProposalExtension5, ICompletionProposalExtension6

Direct Known Subclasses:

CUCorrectionProposal

public class ChangeCorrectionProposal
extends ChangeCorrectionProposalCore
implements IJavaCompletionProposal, ICommandAccess, ICompletionProposalExtension5, ICompletionProposalExtension6

Implementation of a Java completion proposal to be used for quick fix and quick assist proposals that are based on a Change. The proposal offers additional proposal information (based on the Change).

Since:

3.8

Field Summary

Fields inherited from class org.eclipse.jdt.core.manipulation.ChangeCorrectionProposalCore

fChange, fName, fRelevance

Fields inherited from interface org.eclipse.jdt.ui.text.java.correction.ICommandAccess

ASSIST_SUFFIX, COMMAND_ID_PREFIX

Constructor Summary

Constructors

Constructor	Description
ChangeCorrectionProposal(String name, Change change, int relevance)	Constructs a change correction proposal.
ChangeCorrectionProposal(String name, Change change, int relevance, Image image)	Constructs a change correction proposal.

Method Summary

Modifier and Type	Method	Description
void	apply(IDocument document)
String	getAdditionalProposalInfo()
final Change	getChange()	Returns the change that will be executed when the proposal is applied.
String	getCommandId()	Returns the id of the command that should invoke this correction proposal.
IContextInformation	getContextInformation()
String	getDisplayString()
Image	getImage()
Point	getSelection(IDocument document)
StyledString	getStyledDisplayString()
protected void	performChange(IEditorPart activeEditor, IDocument document)	Performs the change associated with this proposal.
void	setCommandId(String commandId)	Set the proposal id to allow assigning a shortcut to the correction proposal.
void	setImage(Image image)	Sets the proposal's image or null if no image is desired.

Methods inherited from class org.eclipse.jdt.core.manipulation.ChangeCorrectionProposalCore

apply, createChange, getAdditionalProposalInfo, getName, getRelevance, performChange, setDisplayName, setRelevance

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.eclipse.jface.text.contentassist.ICompletionProposalExtension5

getAdditionalProposalInfo

Methods inherited from interface org.eclipse.jdt.ui.text.java.IJavaCompletionProposal

getRelevance

Constructor Details

ChangeCorrectionProposal

public ChangeCorrectionProposal(String name,
 Change change,
 int relevance,
 Image image)

Constructs a change correction proposal.

Parameters:

name - the name that is displayed in the proposal selection dialog

change - the change that is executed when the proposal is applied or null if the change will be created by implementors of ChangeCorrectionProposalCore.createChange()

relevance - the relevance of this proposal

image - the image that is displayed for this proposal or null if no image is desired

ChangeCorrectionProposal

public ChangeCorrectionProposal(String name,
 Change change,
 int relevance)

Constructs a change correction proposal. Uses the default image for this proposal.

Parameters:

name - The name that is displayed in the proposal selection dialog.

change - The change that is executed when the proposal is applied or null if the change will be created by implementors of ChangeCorrectionProposalCore.createChange().

relevance - The relevance of this proposal.

Method Details

apply

public void apply(IDocument document)

Specified by:

apply in interface ICompletionProposal

performChange

protected void performChange(IEditorPart activeEditor,
 IDocument document)
                      throws CoreException

Performs the change associated with this proposal.

Subclasses may extend, but must call the super implementation.

Parameters:

activeEditor - the editor currently active or null if no editor is active

document - the document of the editor currently active or null if no editor is visible

Throws:

CoreException - when the invocation of the change failed

getAdditionalProposalInfo

public String getAdditionalProposalInfo()

Specified by:

getAdditionalProposalInfo in interface ICompletionProposal

getContextInformation

public IContextInformation getContextInformation()

Specified by:

getContextInformation in interface ICompletionProposal

getDisplayString

public String getDisplayString()

Specified by:

getDisplayString in interface ICompletionProposal

getStyledDisplayString

public StyledString getStyledDisplayString()

Specified by:

getStyledDisplayString in interface ICompletionProposalExtension6

getImage

public Image getImage()

Specified by:

getImage in interface ICompletionProposal

getSelection

public Point getSelection(IDocument document)

Specified by:

getSelection in interface ICompletionProposal

setImage

public void setImage(Image image)

Sets the proposal's image or null if no image is desired.

Parameters:

image - the desired image.

getChange

public final Change getChange()
                       throws CoreException

Returns the change that will be executed when the proposal is applied. This method calls ChangeCorrectionProposalCore.createChange() to compute the change.

Overrides:

getChange in class ChangeCorrectionProposalCore

Returns:

the change for this proposal, can be null in rare cases if creation of the change failed

Throws:

CoreException - when the change could not be created

getCommandId

public String getCommandId()

Description copied from interface: ICommandAccess

Returns the id of the command that should invoke this correction proposal.

Specified by:

getCommandId in interface ICommandAccess

Returns:

the id of the command or null if this proposal does not have a command. This id must start with ICommandAccess.COMMAND_ID_PREFIX to be recognized as a correction command. In addition, the id must end with ICommandAccess.ASSIST_SUFFIX to be recognized as a quick assist command.

setCommandId

public void setCommandId(String commandId)

Set the proposal id to allow assigning a shortcut to the correction proposal.

Parameters:

commandId - The proposal id for this proposal or null if no command should be assigned to this proposal.