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/*
* Copyright 2000-2009 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.psi.impl;
import com.intellij.icons.AllIcons;
import com.intellij.ide.IconProvider;
import com.intellij.ide.projectView.impl.ProjectRootsUtil;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleType;
import com.intellij.openapi.project.DumbAware;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.ProjectRootManager;
import com.intellij.openapi.roots.SourceFolder;
import com.intellij.openapi.roots.ui.configuration.SourceRootPresentation;
import com.intellij.openapi.util.registry.Registry;
import com.intellij.openapi.vfs.JarFileSystem;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.JavaDirectoryService;
import com.intellij.psi.PsiDirectory;
import com.intellij.psi.PsiElement;
import com.intellij.util.PlatformIcons;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
/**
* @author yole
*/
public class JavaDirectoryIconProvider extends IconProvider implements DumbAware {
@Override
@Nullable
public Icon getIcon(@NotNull final PsiElement element, final int flags) {
if (element instanceof PsiDirectory) {
final PsiDirectory psiDirectory = (PsiDirectory)element;
final VirtualFile vFile = psiDirectory.getVirtualFile();
final Project project = psiDirectory.getProject();
boolean isJarRoot = vFile.getParent() == null && vFile.getFileSystem() instanceof JarFileSystem;
boolean isContentRoot = ProjectRootsUtil.isModuleContentRoot(vFile, project);
SourceFolder sourceFolder = ProjectRootsUtil.getModuleSourceRoot(vFile, project);
Icon symbolIcon;
if (isJarRoot) {
symbolIcon = PlatformIcons.JAR_ICON;
}
else if (isContentRoot) {
Module module = ProjectRootManager.getInstance(project).getFileIndex().getModuleForFile(vFile);
if (module != null) {
symbolIcon = ModuleType.get(module).getIcon();
}
else {
symbolIcon = PlatformIcons.CONTENT_ROOT_ICON_CLOSED;
}
}
else if (sourceFolder != null) {
symbolIcon = SourceRootPresentation.getSourceRootIcon(sourceFolder);
}
else if (JavaDirectoryService.getInstance().getPackage(psiDirectory) != null) {
symbolIcon = PlatformIcons.PACKAGE_ICON;
}
else if (!Registry.is("ide.hide.excluded.files") && ProjectRootManager.getInstance(project).getFileIndex().isExcluded(vFile)) {
symbolIcon = AllIcons.Modules.ExcludeRoot;
}
else {
symbolIcon = PlatformIcons.DIRECTORY_CLOSED_ICON;
}
return ElementBase.createLayeredIcon(element, symbolIcon, 0);
}
return null;
}
}
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