| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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 |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.corext.refactoring.changes; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.SubProgressMonitor; |
| |
| import org.eclipse.core.resources.IFile; |
| |
| import org.eclipse.jdt.core.ICompilationUnit; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.ISourceManipulation; |
| import org.eclipse.jdt.core.JavaCore; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.RefactoringCoreMessages; |
| import org.eclipse.jdt.internal.corext.refactoring.util.JavaElementUtil; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| import org.eclipse.ltk.core.refactoring.RefactoringStatus; |
| |
| public class DeleteSourceManipulationChange extends AbstractDeleteChange { |
| |
| private final String fHandle; |
| private final boolean fIsExecuteChange; |
| |
| public DeleteSourceManipulationChange(ISourceManipulation sm, boolean isExecuteChange) { |
| Assert.isNotNull(sm); |
| fHandle= getJavaElement(sm).getHandleIdentifier(); |
| fIsExecuteChange= isExecuteChange; |
| } |
| |
| /* |
| * @see IChange#getName() |
| */ |
| public String getName() { |
| return Messages.format(RefactoringCoreMessages.DeleteSourceManipulationChange_0, getElementName()); |
| } |
| |
| public RefactoringStatus isValid(IProgressMonitor pm) throws CoreException { |
| // delete changes don't provide an undo operation |
| ISourceManipulation element= getSourceModification(); |
| if (fIsExecuteChange) { |
| if (element instanceof ICompilationUnit) { |
| // don't check anything in this case. We have a warning dialog |
| // already presented to the user that the file is dirty. |
| return super.isValid(pm, NONE); |
| } else { |
| return super.isValid(pm, DIRTY); |
| } |
| } else { |
| return super.isValid(pm, READ_ONLY | DIRTY); |
| } |
| } |
| |
| private String getElementName() { |
| IJavaElement javaElement= getJavaElement(getSourceModification()); |
| if (JavaElementUtil.isDefaultPackage(javaElement)) |
| return RefactoringCoreMessages.DeleteSourceManipulationChange_1; |
| return javaElement.getElementName(); |
| } |
| |
| /* |
| * @see IChange#getModifiedLanguageElement() |
| */ |
| public Object getModifiedElement() { |
| return JavaCore.create(fHandle); |
| } |
| |
| /* |
| * @see DeleteChange#doDelete(IProgressMonitor) |
| */ |
| protected void doDelete(IProgressMonitor pm) throws CoreException { |
| ISourceManipulation element= getSourceModification(); |
| // we have to save dirty compilation units before deleting them. Otherwise |
| // we will end up showing ghost compilation units in the package explorer |
| // since the primary working copy still exists. |
| if (element instanceof ICompilationUnit) { |
| pm.beginTask("", 2); //$NON-NLS-1$ |
| ICompilationUnit unit= (ICompilationUnit)element; |
| saveCUnitIfNeeded(unit, new SubProgressMonitor(pm, 1)); |
| element.delete(false, new SubProgressMonitor(pm, 1)); |
| // begin fix https://bugs.eclipse.org/bugs/show_bug.cgi?id=66835 |
| } else if (element instanceof IPackageFragment) { |
| ICompilationUnit[] units= ((IPackageFragment)element).getCompilationUnits(); |
| pm.beginTask("", units.length + 1); //$NON-NLS-1$ |
| for (int i = 0; i < units.length; i++) { |
| saveCUnitIfNeeded(units[i], new SubProgressMonitor(pm, 1)); |
| } |
| element.delete(false, new SubProgressMonitor(pm, 1)); |
| // end fix https://bugs.eclipse.org/bugs/show_bug.cgi?id=66835 |
| } else { |
| element.delete(false, pm); |
| } |
| } |
| |
| private ISourceManipulation getSourceModification() { |
| return (ISourceManipulation)getModifiedElement(); |
| } |
| |
| private static IJavaElement getJavaElement(ISourceManipulation sm) { |
| //all known ISourceManipulations are IJavaElements |
| return (IJavaElement)sm; |
| } |
| |
| private static void saveCUnitIfNeeded(ICompilationUnit unit, IProgressMonitor pm) throws CoreException { |
| saveFileIfNeeded((IFile)unit.getResource(), pm); |
| } |
| } |
| |