/*
* Copyright 2000-2015 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.codeInsight.actions;
import com.intellij.openapi.application.ReadAction;
import com.intellij.openapi.application.Result;
import com.intellij.openapi.components.ServiceManager;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.module.ModifiableModuleModel;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.ModuleRootManager;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.util.TextRange;
import com.intellij.openapi.vcs.changes.Change;
import com.intellij.openapi.vcs.changes.ChangeListManager;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiDirectory;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiManager;
import com.intellij.util.Function;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.diff.FilesTooBigForDiffException;
import org.jetbrains.annotations.NotNull;
import java.util.Collection;
import java.util.List;
public class FormatChangedTextUtil {
public static final Key<CharSequence> TEST_REVISION_CONTENT = Key.create("test.revision.content");
protected static final Logger LOG = Logger.getInstance("#com.intellij.codeInsight.actions.FormatChangedTextUtil");
protected FormatChangedTextUtil() {
}
@NotNull
public static FormatChangedTextUtil getInstance() {
return ServiceManager.getService(FormatChangedTextUtil.class);
}
/**
* Allows to answer if given file has changes in comparison with VCS.
*
* @param file target file
* @return <code>true</code> if given file has changes; <code>false</code> otherwise
*/
public static boolean hasChanges(@NotNull PsiFile file) {
final Project project = file.getProject();
final VirtualFile virtualFile = file.getVirtualFile();
if (virtualFile != null) {
final Change change = ChangeListManager.getInstance(project).getChange(virtualFile);
return change != null;
}
return false;
}
/**
* Allows to answer if any file below the given directory (any level of nesting) has changes in comparison with VCS.
*
* @param directory target directory to check
* @return <code>true</code> if any file below the given directory has changes in comparison with VCS;
* <code>false</code> otherwise
*/
public static boolean hasChanges(@NotNull PsiDirectory directory) {
return hasChanges(directory.getVirtualFile(), directory.getProject());
}
/**
* Allows to answer if given file or any file below the given directory (any level of nesting) has changes in comparison with VCS.
*
* @param file target directory to check
* @param project target project
* @return <code>true</code> if given file or any file below the given directory has changes in comparison with VCS;
* <code>false</code> otherwise
*/
public static boolean hasChanges(@NotNull VirtualFile file, @NotNull Project project) {
final Collection<Change> changes = ChangeListManager.getInstance(project).getChangesIn(file);
for (Change change : changes) {
if (change.getType() == Change.Type.NEW || change.getType() == Change.Type.MODIFICATION) {
return true;
}
}
return false;
}
public static boolean hasChanges(@NotNull VirtualFile[] files, @NotNull Project project) {
for (VirtualFile file : files) {
if (hasChanges(file, project))
return true;
}
return false;
}
/**
* Allows to answer if any file that belongs to the given module has changes in comparison with VCS.
*
* @param module target module to check
* @return <code>true</code> if any file that belongs to the given module has changes in comparison with VCS
* <code>false</code> otherwise
*/
public static boolean hasChanges(@NotNull Module module) {
final ModuleRootManager rootManager = ModuleRootManager.getInstance(module);
for (VirtualFile root : rootManager.getSourceRoots()) {
if (hasChanges(root, module.getProject())) {
return true;
}
}
return false;
}
/**
* Allows to answer if any file that belongs to the given project has changes in comparison with VCS.
*
* @param project target project to check
* @return <code>true</code> if any file that belongs to the given project has changes in comparison with VCS
* <code>false</code> otherwise
*/
public static boolean hasChanges(@NotNull final Project project) {
final ModifiableModuleModel moduleModel = new ReadAction<ModifiableModuleModel>() {
@Override
protected void run(@NotNull Result<ModifiableModuleModel> result) throws Throwable {
result.setResult(ModuleManager.getInstance(project).getModifiableModel());
}
}.execute().getResultObject();
try {
for (Module module : moduleModel.getModules()) {
if (hasChanges(module)) {
return true;
}
}
return false;
}
finally {
moduleModel.dispose();
}
}
@NotNull
public static List<PsiFile> getChangedFilesFromDirs(@NotNull Project project, @NotNull List<PsiDirectory> dirs) {
ChangeListManager changeListManager = ChangeListManager.getInstance(project);
Collection<Change> changes = ContainerUtil.newArrayList();
for (PsiDirectory dir : dirs) {
changes.addAll(changeListManager.getChangesIn(dir.getVirtualFile()));
}
return getChangedFiles(project, changes);
}
@NotNull
public static List<PsiFile> getChangedFiles(@NotNull final Project project, @NotNull Collection<Change> changes) {
Function<Change, PsiFile> changeToPsiFileMapper = new Function<Change, PsiFile>() {
private PsiManager myPsiManager = PsiManager.getInstance(project);
@Override
public PsiFile fun(Change change) {
VirtualFile vFile = change.getVirtualFile();
return vFile != null ? myPsiManager.findFile(vFile) : null;
}
};
return ContainerUtil.mapNotNull(changes, changeToPsiFileMapper);
}
@NotNull
public List<TextRange> getChangedTextRanges(@NotNull Project project, @NotNull PsiFile file) throws FilesTooBigForDiffException {
return ContainerUtil.emptyList();
}
public int calculateChangedLinesNumber(@NotNull Document document, @NotNull CharSequence contentFromVcs) {
return -1;
}
public boolean isChangeNotTrackedForFile(@NotNull Project project, @NotNull PsiFile file) {
return false;
}
}