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Use LTK Refactoring when copying (duplicating) a Project.
The Idea is that currently it is not possible to modify a project when it is copied and renamed. This leads to usability issues for example in PDE, where the rename of a project modifies the MANIFEST.MF but a copy does not. This solves this by providing a copy project refactoring that can be extended using a copy participant.
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153 changes: 153 additions & 0 deletions
153
...ltk.core.refactoring/src/org/eclipse/ltk/core/refactoring/resource/CopyProjectChange.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2024 Vector Informatik GmbH 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-2.0/ | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Vector Informatik GmbH - initial implementation | ||
| *******************************************************************************/ | ||
| package org.eclipse.ltk.core.refactoring.resource; | ||
|
|
||
| import org.eclipse.core.runtime.Assert; | ||
| import org.eclipse.core.runtime.CoreException; | ||
| import org.eclipse.core.runtime.IPath; | ||
| import org.eclipse.core.runtime.IProgressMonitor; | ||
| import org.eclipse.core.runtime.IStatus; | ||
| import org.eclipse.core.runtime.NullProgressMonitor; | ||
| import org.eclipse.core.runtime.Platform; | ||
| import org.eclipse.core.runtime.Status; | ||
| import org.eclipse.core.runtime.SubMonitor; | ||
|
|
||
| import org.eclipse.core.resources.IFile; | ||
| import org.eclipse.core.resources.IProject; | ||
| import org.eclipse.core.resources.IProjectDescription; | ||
| import org.eclipse.core.resources.IResource; | ||
| import org.eclipse.core.resources.IResourceVisitor; | ||
|
|
||
| import org.eclipse.core.filebuffers.FileBuffers; | ||
| import org.eclipse.core.filebuffers.ITextFileBuffer; | ||
| import org.eclipse.core.filebuffers.LocationKind; | ||
|
|
||
| import org.eclipse.ltk.core.refactoring.Change; | ||
| import org.eclipse.ltk.core.refactoring.ChangeDescriptor; | ||
| import org.eclipse.ltk.internal.core.refactoring.BasicElementLabels; | ||
| import org.eclipse.ltk.internal.core.refactoring.Messages; | ||
| import org.eclipse.ltk.internal.core.refactoring.RefactoringCoreMessages; | ||
| import org.eclipse.ltk.internal.core.refactoring.RefactoringCorePlugin; | ||
|
|
||
| /** | ||
| * {@link Change} that copies a project | ||
| * | ||
| * @since 3.15 | ||
| */ | ||
| public class CopyProjectChange extends ResourceChange { | ||
|
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| private final IProject fSourceProject; | ||
|
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| private ChangeDescriptor fDescriptor; | ||
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| private String fNewName; | ||
|
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| private IPath fNewLocation; | ||
|
|
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| /** | ||
| * Copy a project. | ||
| * | ||
| * @param resourcePath the project path | ||
| * @param newLocation location of the new project | ||
| * @param newName name of the new project | ||
| */ | ||
| public CopyProjectChange(IProject resourcePath, IPath newLocation, String newName) { | ||
| Assert.isNotNull(resourcePath); | ||
| fNewName= newName; | ||
| fNewLocation= newLocation; | ||
| fSourceProject= resourcePath; | ||
| setValidationMethod(SAVE_IF_DIRTY); | ||
| } | ||
|
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| @Override | ||
| protected IResource getModifiedResource() { | ||
| return fSourceProject; | ||
| } | ||
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| @Override | ||
| public String getName() { | ||
| return RefactoringCoreMessages.CopyProjectChange_Name + fSourceProject.getName(); | ||
| } | ||
|
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| @Override | ||
| public Change perform(IProgressMonitor pm) throws CoreException { | ||
| SubMonitor subMonitor= SubMonitor.convert(pm, RefactoringCoreMessages.CopyProjectChange_copying, 10); | ||
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| if (fSourceProject == null || !fSourceProject.exists()) { | ||
| String message= Messages.format(RefactoringCoreMessages.CopyProjectChange_error_resource_not_exists, | ||
| BasicElementLabels.getPathLabel(fSourceProject.getFullPath().makeRelative(), false)); | ||
| throw new CoreException(new Status(IStatus.ERROR, RefactoringCorePlugin.getPluginId(), message)); | ||
| } | ||
|
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| // make sure all files inside the resource are saved | ||
| if (fSourceProject.isAccessible()) { | ||
| fSourceProject.accept((IResourceVisitor) curr -> { | ||
| try { | ||
| if (curr instanceof IFile) { | ||
| // progress is covered outside. | ||
| saveFileIfNeeded((IFile) curr, new NullProgressMonitor()); | ||
| } | ||
| } catch (CoreException e) { | ||
| // ignore | ||
| } | ||
| return true; | ||
| }, IResource.DEPTH_INFINITE, false); | ||
| } | ||
|
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| IProjectDescription description= fSourceProject.getDescription(); | ||
|
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| if (fNewLocation != null && (fNewLocation.equals(Platform.getLocation()) || fNewLocation.isRoot())) { | ||
| fNewLocation= null; | ||
| } | ||
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| description.setName(fNewName); | ||
| description.setLocation(fNewLocation); | ||
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| fSourceProject.copy(description, IResource.FORCE | IResource.SHALLOW, subMonitor.newChild(10)); | ||
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| IProject targetProject= fSourceProject.getWorkspace().getRoot().getProject(fNewName); | ||
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| return new DeleteResourceChange(targetProject.getFullPath(), true, true); | ||
|
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| } | ||
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| private static void saveFileIfNeeded(IFile file, IProgressMonitor pm) throws CoreException { | ||
| ITextFileBuffer buffer= FileBuffers.getTextFileBufferManager().getTextFileBuffer(file.getFullPath(), LocationKind.IFILE); | ||
| SubMonitor subMonitor= SubMonitor.convert(pm, 2); | ||
| if (buffer != null && buffer.isDirty() && buffer.isStateValidated() && buffer.isSynchronized()) { | ||
| buffer.commit(subMonitor.newChild(1), false); | ||
| file.refreshLocal(IResource.DEPTH_ONE, subMonitor.newChild(1)); | ||
| buffer.commit(subMonitor.newChild(1), false); | ||
| file.refreshLocal(IResource.DEPTH_ONE, subMonitor.newChild(1)); | ||
| } else { | ||
| subMonitor.worked(2); | ||
| } | ||
| } | ||
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| @Override | ||
| public ChangeDescriptor getDescriptor() { | ||
| return fDescriptor; | ||
| } | ||
|
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| /** | ||
| * Sets the change descriptor to be returned by {@link Change#getDescriptor()}. | ||
| * | ||
| * @param descriptor the change descriptor | ||
| */ | ||
| public void setDescriptor(ChangeDescriptor descriptor) { | ||
| fDescriptor= descriptor; | ||
| } | ||
|
|
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| } |
145 changes: 145 additions & 0 deletions
145
...core.refactoring/src/org/eclipse/ltk/core/refactoring/resource/CopyProjectDescriptor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2024 Vector Informatik GmbH 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-2.0/ | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Vector Informatik GmbH - initial implementation | ||
| *******************************************************************************/ | ||
| package org.eclipse.ltk.core.refactoring.resource; | ||
|
|
||
| import org.eclipse.core.runtime.CoreException; | ||
| import org.eclipse.core.runtime.IPath; | ||
|
|
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| import org.eclipse.core.resources.IFile; | ||
| import org.eclipse.core.resources.IFolder; | ||
| import org.eclipse.core.resources.IProject; | ||
| import org.eclipse.core.resources.IResource; | ||
| import org.eclipse.core.resources.IWorkspaceRoot; | ||
| import org.eclipse.core.resources.ResourcesPlugin; | ||
|
|
||
| import org.eclipse.ltk.core.refactoring.Refactoring; | ||
| import org.eclipse.ltk.core.refactoring.RefactoringContribution; | ||
| import org.eclipse.ltk.core.refactoring.RefactoringCore; | ||
| import org.eclipse.ltk.core.refactoring.RefactoringDescriptor; | ||
| import org.eclipse.ltk.core.refactoring.RefactoringStatus; | ||
| import org.eclipse.ltk.core.refactoring.participants.CopyRefactoring; | ||
| import org.eclipse.ltk.internal.core.refactoring.BasicElementLabels; | ||
| import org.eclipse.ltk.internal.core.refactoring.Messages; | ||
| import org.eclipse.ltk.internal.core.refactoring.RefactoringCoreMessages; | ||
| import org.eclipse.ltk.internal.core.refactoring.resource.CopyProjectProcessor; | ||
|
|
||
| /** | ||
| * Refactoring descriptor for the copy project refactoring. | ||
| * <p> | ||
| * An instance of this refactoring descriptor may be obtained by calling | ||
| * {@link RefactoringContribution#createDescriptor()} on a refactoring contribution requested by | ||
| * invoking {@link RefactoringCore#getRefactoringContribution(String)} with the refactoring id | ||
| * ({@link #ID}). | ||
| * </p> | ||
| * <p> | ||
| * Note: this class is not intended to be subclassed or instantiated by clients. | ||
| * </p> | ||
| * | ||
| * @since 3.15 | ||
| * | ||
| * @noinstantiate This class is not intended to be instantiated by clients. | ||
| * @noextend This class is not intended to be subclassed by clients. | ||
| */ | ||
| public class CopyProjectDescriptor extends RefactoringDescriptor { | ||
| /** | ||
| * Refactoring id of the 'Copy Project' refactoring (value: | ||
| * <code>org.eclipse.ltk.core.refactoring.copyproject.resources</code>). | ||
| * <p> | ||
| * Clients may safely cast the obtained refactoring descriptor to {@link CopyProjectDescriptor}. | ||
| * </p> | ||
| */ | ||
| public static final String ID= "org.eclipse.ltk.core.refactoring.copyproject.resource"; //$NON-NLS-1$ | ||
|
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| private IPath fSourcePath; | ||
|
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| private String fNewName; | ||
|
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| private IPath fNewLocation; | ||
|
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| /** | ||
| * Creates a new refactoring descriptor. | ||
| * <p> | ||
| * Clients should not instantiated this class but use | ||
| * {@link RefactoringCore#getRefactoringContribution(String)} with {@link #ID} to get the | ||
| * contribution that can create the descriptor. | ||
| * </p> | ||
| */ | ||
| public CopyProjectDescriptor() { | ||
| super(ID, null, RefactoringCoreMessages.RenameResourceDescriptor_unnamed_descriptor, null, RefactoringDescriptor.STRUCTURAL_CHANGE | RefactoringDescriptor.MULTI_CHANGE); | ||
| } | ||
|
|
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| /** | ||
| * The resource paths to delete. | ||
| * | ||
| * @return an array of IPaths. | ||
| */ | ||
| public IPath getSourcePath() { | ||
| return fSourcePath; | ||
| } | ||
|
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| public String getNewName() { | ||
| return fNewName; | ||
| } | ||
|
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| public IPath getNewLocation() { | ||
| return fNewLocation; | ||
| } | ||
|
|
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| /** | ||
| * The paths to the resources to be deleted. The resources can be {@link IProject} or a mixture | ||
| * of {@link IFile} and {@link IFolder}. | ||
| * | ||
| * @param resourcePath paths of the resources to be deleted | ||
| */ | ||
| public void setResourcePath(IPath resourcePath) { | ||
| if (resourcePath == null) | ||
| throw new IllegalArgumentException(); | ||
| fSourcePath= resourcePath; | ||
| } | ||
|
|
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| /** | ||
| * The project to be copied. | ||
| * | ||
| * @param project {@link IProject} to be copied | ||
| */ | ||
| public void setProjectToCopy(IProject project) { | ||
| if (project == null) | ||
| throw new IllegalArgumentException(); | ||
| setResourcePath(project.getFullPath()); | ||
| } | ||
|
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| @Override | ||
| public Refactoring createRefactoring(RefactoringStatus status) throws CoreException { | ||
| IWorkspaceRoot wsRoot= ResourcesPlugin.getWorkspace().getRoot(); | ||
| IResource resource= wsRoot.findMember(fSourcePath); | ||
| if (resource == null || !resource.exists()) { | ||
| status.addFatalError(Messages.format(RefactoringCoreMessages.CopyProjectDescriptor_project_copy_does_not_exist, BasicElementLabels.getPathLabel(fSourcePath, false))); | ||
| return null; | ||
| } | ||
| if (resource instanceof IProject project) { | ||
| return new CopyRefactoring(new CopyProjectProcessor(project, fNewName, fNewLocation)); | ||
| } | ||
| return null; | ||
| } | ||
|
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| public void setNewName(String newName) { | ||
| fNewName= newName; | ||
|
|
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| } | ||
|
|
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| public void setNewLocation(IPath newLocation) { | ||
| fNewLocation= newLocation; | ||
| } | ||
|
|
||
| } |
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