org.eclipse.xtext.xbase.ui.refactoring

Class ExpressionUtil

java.lang.Object

org.eclipse.xtext.xbase.ui.refactoring.ExpressionUtil

public class ExpressionUtil
extends java.lang.Object

Author:

Jan Koehnlein - Initial contribution and API

Field Summary

Fields

Modifier and Type	Field and Description
protected ILocationInFileProvider	locationInFileProvider

Constructor Summary

Constructors

Constructor and Description
ExpressionUtil()

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	contains(org.eclipse.emf.ecore.EObject element, INode node, org.eclipse.jface.text.ITextSelection selection)
protected boolean	contains(ITextRegion textRegion, org.eclipse.jface.text.ITextSelection selection)
XExpression	findSelectedExpression(XtextResource resource, org.eclipse.jface.text.ITextSelection selection)
java.util.List<XExpression>	findSelectedSiblingExpressions(XtextResource resource, org.eclipse.jface.text.ITextSelection selection)
XExpression	findSuccessorExpressionForVariableDeclaration(org.eclipse.emf.ecore.EObject expression)
ITextRegion	getTextRegion(org.eclipse.emf.ecore.EObject element)
protected ITextRegion	getTotalTextRegion(org.eclipse.emf.ecore.EObject element, INode node)
protected boolean	intersects(ITextRegion textRegion, org.eclipse.jface.text.ITextSelection trimmedSelection)
protected boolean	isBeginOfExpression(INode node)
protected boolean	isBlockInsertable(org.eclipse.emf.ecore.EObject eContainer, org.eclipse.emf.ecore.EObject expression)
protected INode	nextNodeForFindSelectedExpression(org.eclipse.emf.ecore.EObject element, INode node, org.eclipse.jface.text.ITextSelection selection)
protected org.eclipse.jface.text.ITextSelection	trimSelection(XtextResource resource, org.eclipse.jface.text.ITextSelection selection)

Methods inherited from class java.lang.Object

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

Field Detail

locationInFileProvider

@Inject
protected ILocationInFileProvider locationInFileProvider

Constructor Detail

ExpressionUtil

public ExpressionUtil()

Method Detail

findSelectedExpression

public XExpression findSelectedExpression(XtextResource resource,
                                 org.eclipse.jface.text.ITextSelection selection)

Returns:

the smallest single expression containing the selection.

nextNodeForFindSelectedExpression

protected INode nextNodeForFindSelectedExpression(org.eclipse.emf.ecore.EObject element,
                                      INode node,
                                      org.eclipse.jface.text.ITextSelection selection)

findSelectedSiblingExpressions

public java.util.List<XExpression> findSelectedSiblingExpressions(XtextResource resource,
                                                         org.eclipse.jface.text.ITextSelection selection)

Returns:

the list of sibling expressions (expressions in the same block expression) containing the selection.

trimSelection

protected org.eclipse.jface.text.ITextSelection trimSelection(XtextResource resource,
                                                  org.eclipse.jface.text.ITextSelection selection)

isBeginOfExpression

protected boolean isBeginOfExpression(INode node)

Returns:

whether the given selection is zero length

contains

protected boolean contains(org.eclipse.emf.ecore.EObject element,
               INode node,
               org.eclipse.jface.text.ITextSelection selection)

contains

protected boolean contains(ITextRegion textRegion,
               org.eclipse.jface.text.ITextSelection selection)

intersects

protected boolean intersects(ITextRegion textRegion,
                 org.eclipse.jface.text.ITextSelection trimmedSelection)

getTotalTextRegion

protected ITextRegion getTotalTextRegion(org.eclipse.emf.ecore.EObject element,
                             INode node)

getTextRegion

public ITextRegion getTextRegion(org.eclipse.emf.ecore.EObject element)

findSuccessorExpressionForVariableDeclaration

public XExpression findSuccessorExpressionForVariableDeclaration(org.eclipse.emf.ecore.EObject expression)

isBlockInsertable

protected boolean isBlockInsertable(org.eclipse.emf.ecore.EObject eContainer,
                        org.eclipse.emf.ecore.EObject expression)