/*
* Copyright 2000-2013 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.codeStyle;
import com.intellij.openapi.actionSystem.*;
import com.intellij.openapi.application.Result;
import com.intellij.openapi.command.WriteCommandAction;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.fileEditor.FileDocumentManager;
import com.intellij.openapi.fileEditor.impl.LoadTextUtil;
import com.intellij.openapi.fileTypes.FileTypeRegistry;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.VfsUtilCore;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.LineSeparator;
import com.intellij.util.Processor;
import com.intellij.util.containers.Convertor;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import consulo.annotations.RequiredDispatchThread;
import java.io.IOException;
/**
* @author Nikolai Matveev
*/
public abstract class AbstractConvertLineSeparatorsAction extends AnAction {
private static final Logger LOG = Logger.getInstance("#com.intellij.codeStyle.AbstractConvertLineSeparatorsAction");
@NotNull
private final String mySeparator;
protected AbstractConvertLineSeparatorsAction(@Nullable String text, @NotNull LineSeparator separator) {
this(separator + " - " + text, separator.getSeparatorString());
}
protected AbstractConvertLineSeparatorsAction(@Nullable String text, @NotNull String separator) {
super(text);
mySeparator = separator;
}
@RequiredDispatchThread
@Override
public void update(@NotNull AnActionEvent e) {
final DataContext dataContext = e.getDataContext();
final Project project = CommonDataKeys.PROJECT.getData(dataContext);
if (project != null) {
final VirtualFile[] virtualFiles = CommonDataKeys.VIRTUAL_FILE_ARRAY.getData(dataContext);
final Presentation presentation = e.getPresentation();
if (virtualFiles != null) {
if (virtualFiles.length == 1) {
presentation.setEnabled(!mySeparator.equals(LoadTextUtil.detectLineSeparator(virtualFiles[0], false)));
}
else {
presentation.setEnabled(true);
}
}
else {
presentation.setEnabled(false);
}
}
}
@RequiredDispatchThread
@Override
public void actionPerformed(@NotNull AnActionEvent event) {
final DataContext dataContext = event.getDataContext();
final Project project = CommonDataKeys.PROJECT.getData(dataContext);
if (project == null) {
return;
}
final VirtualFile[] virtualFiles = CommonDataKeys.VIRTUAL_FILE_ARRAY.getData(dataContext);
if (virtualFiles == null) {
return;
}
final VirtualFile projectVirtualDirectory;
VirtualFile projectBaseDir = project.getBaseDir();
if (projectBaseDir != null && projectBaseDir.isDirectory()) {
projectVirtualDirectory = projectBaseDir.findChild(Project.DIRECTORY_STORE_FOLDER);
}
else {
projectVirtualDirectory = null;
}
final FileTypeRegistry fileTypeManager = FileTypeRegistry.getInstance();
for (VirtualFile file : virtualFiles) {
VfsUtilCore.processFilesRecursively(file, new Processor<VirtualFile>() {
@Override
public boolean process(VirtualFile file) {
if (shouldProcess(file, project)) {
changeLineSeparators(project, file, mySeparator);
}
return true;
}
}, new Convertor<VirtualFile, Boolean>() {
@Override
public Boolean convert(VirtualFile dir) {
return !dir.equals(projectVirtualDirectory) &&
!fileTypeManager.isFileIgnored(dir); // Exclude files like '.git'
}
}
);
}
}
public static boolean shouldProcess(@NotNull VirtualFile file, @NotNull Project project) {
if (file.isDirectory() ||
!file.isWritable() ||
FileTypeRegistry.getInstance().isFileIgnored(file) ||
file.getFileType().isBinary() ||
file.equals(project.getProjectFile()) ||
file.equals(project.getWorkspaceFile())) {
return false;
}
return true;
}
public static void changeLineSeparators(@NotNull final Project project,
@NotNull final VirtualFile virtualFile,
@NotNull final String newSeparator) {
FileDocumentManager fileDocumentManager = FileDocumentManager.getInstance();
Document document = fileDocumentManager.getCachedDocument(virtualFile);
if (document != null) {
fileDocumentManager.saveDocument(document);
}
String currentSeparator = LoadTextUtil.detectLineSeparator(virtualFile, false);
final String commandText;
if (StringUtil.isEmpty(currentSeparator)) {
commandText = "Changed line separators to " + LineSeparator.fromString(newSeparator);
}
else {
commandText = String.format("Changed line separators from %s to %s", LineSeparator.fromString(currentSeparator),
LineSeparator.fromString(newSeparator));
}
new WriteCommandAction(project, commandText) {
@Override
protected void run(@NotNull Result result) throws Throwable {
try {
LoadTextUtil.changeLineSeparators(project, virtualFile, newSeparator, this);
}
catch (IOException e) {
LOG.info(e);
}
}
}.execute();
}
}