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/*
* 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.usages.impl.rules;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.DataKey;
import com.intellij.openapi.actionSystem.DataSink;
import com.intellij.openapi.actionSystem.TypeSafeDataProvider;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vcs.FileStatus;
import com.intellij.openapi.vcs.FileStatusManager;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.JavaDirectoryService;
import com.intellij.psi.PsiDirectory;
import com.intellij.psi.PsiManager;
import com.intellij.psi.PsiPackage;
import com.intellij.usages.UsageGroup;
import com.intellij.usages.UsageView;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
/**
* @author max
*/
public class PackageGroupingRule extends DirectoryGroupingRule {
public PackageGroupingRule(Project project) {
super(project);
}
@Override
protected UsageGroup getGroupForFile(final VirtualFile dir) {
PsiDirectory psiDirectory = PsiManager.getInstance(myProject).findDirectory(dir);
if (psiDirectory != null) {
PsiPackage aPackage = JavaDirectoryService.getInstance().getPackage(psiDirectory);
if (aPackage != null) return new PackageGroup(aPackage);
}
return super.getGroupForFile(dir);
}
private class PackageGroup implements UsageGroup, TypeSafeDataProvider {
private final PsiPackage myPackage;
private Icon myIcon;
private PackageGroup(PsiPackage aPackage) {
myPackage = aPackage;
update();
}
@Override
public void update() {
if (isValid()) {
myIcon = myPackage.getIcon(0);
}
}
@Override
public Icon getIcon(boolean isOpen) {
return myIcon;
}
@Override
@NotNull
public String getText(UsageView view) {
return myPackage.getQualifiedName();
}
@Override
public FileStatus getFileStatus() {
if (!isValid()) return null;
PsiDirectory[] dirs = myPackage.getDirectories();
return dirs.length == 1 ? FileStatusManager.getInstance(myProject).getStatus(dirs[0].getVirtualFile()) : null;
}
@Override
public boolean isValid() {
return myPackage.isValid();
}
@Override
public void navigate(boolean focus) throws UnsupportedOperationException {
myPackage.navigate(focus);
}
@Override
public boolean canNavigate() {
return myPackage.canNavigate();
}
@Override
public boolean canNavigateToSource() {
return false;
}
@Override
public int compareTo(@NotNull UsageGroup usageGroup) {
return getText(null).compareToIgnoreCase(usageGroup.getText(null));
}
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof PackageGroup)) return false;
return myPackage.equals(((PackageGroup)o).myPackage);
}
public int hashCode() {
return myPackage.hashCode();
}
@Override
public void calcData(final DataKey key, final DataSink sink) {
if (!isValid()) return;
if (CommonDataKeys.PSI_ELEMENT == key) {
sink.put(CommonDataKeys.PSI_ELEMENT, myPackage);
}
}
}
}
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