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/*
* Copyright 2000-2012 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.cvsSupport2.application;
import com.intellij.cvsSupport2.CvsUtil;
import com.intellij.cvsSupport2.CvsVcs2;
import com.intellij.openapi.command.undo.DocumentReference;
import com.intellij.openapi.command.undo.DocumentReferenceManager;
import com.intellij.openapi.command.undo.UndoManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vcs.AbstractVcs;
import com.intellij.openapi.vcs.ProjectLevelVcsManager;
import com.intellij.openapi.vfs.LocalFileOperationsHandler;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.ThrowableConsumer;
import org.jetbrains.annotations.Nullable;
import java.io.File;
import java.io.IOException;
/**
* @author yole
*/
public class CvsFileOperationsHandler implements LocalFileOperationsHandler {
private final Project myProject;
private final CvsStorageSupportingDeletionComponent myComponent;
private boolean myInternalDelete = false;
public CvsFileOperationsHandler(final Project project, final CvsStorageSupportingDeletionComponent component) {
myProject = project;
myComponent = component;
}
public boolean delete(final VirtualFile file) throws IOException {
return processDeletedFile(file);
}
private boolean processDeletedFile(final VirtualFile file) throws IOException {
if (myInternalDelete) return false;
final AbstractVcs vcs = ProjectLevelVcsManager.getInstance(myProject).getVcsFor(file);
if (vcs != CvsVcs2.getInstance(myProject)) return false;
file.putUserData(CvsStorageSupportingDeletionComponent.FILE_VCS, vcs);
if (!CvsUtil.fileIsUnderCvs(file)) return false;
myComponent.getDeleteHandler().addDeletedRoot(file);
if (file.isDirectory()) {
myInternalDelete = true;
try {
deleteFilesInVFS(file);
}
finally {
myInternalDelete = false;
}
return true;
}
return false;
}
private void deleteFilesInVFS(final VirtualFile file) throws IOException {
for(VirtualFile child: file.getChildren()) {
if (child.isDirectory()) {
if (DeletedCVSDirectoryStorage.isAdminDir(child)) continue;
deleteFilesInVFS(child);
}
else {
child.delete(this);
}
}
}
public boolean move(final VirtualFile file, final VirtualFile toDir) throws IOException {
return doMoveRename(file, toDir, file.getName());
}
@Nullable
public File copy(final VirtualFile file, final VirtualFile toDir, final String copyName) throws IOException {
return null;
}
public boolean rename(final VirtualFile file, final String newName) throws IOException {
return doMoveRename(file, file.getParent(), newName);
}
private boolean doMoveRename(final VirtualFile file, final VirtualFile newParent, final String newName) throws IOException {
if (!CvsUtil.fileIsUnderCvs(file)) return false;
if (newParent == null) return false;
final File newFile = new File(newParent.getPath(), newName);
myComponent.getDeleteHandler().addDeletedRoot(file);
if (!file.isDirectory()) {
myComponent.getAddHandler().addFile(newFile);
return false;
}
newFile.mkdir();
copyDirectoryStructure(file, newFile);
myComponent.getAddHandler().addFile(newFile);
final DocumentReference ref = DocumentReferenceManager.getInstance().create(file);
UndoManager.getInstance(myProject).nonundoableActionPerformed(ref, false);
return true;
}
private static void copyDirectoryStructure(final VirtualFile file, final File newFile) throws IOException {
for(VirtualFile child: file.getChildren()) {
final File newChild = new File(newFile, child.getName());
if (child.isDirectory()) {
if (DeletedCVSDirectoryStorage.isAdminDir(child)) continue;
newChild.mkdir();
copyDirectoryStructure(child, newChild);
}
else {
new File(child.getPath()).renameTo(newChild);
}
}
}
public boolean createFile(final VirtualFile dir, final String name) throws IOException {
return false;
}
public boolean createDirectory(final VirtualFile dir, final String name) throws IOException {
return false;
}
public void afterDone(final ThrowableConsumer<LocalFileOperationsHandler, IOException> invoker) {}
}
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