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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.ide.actions;
import com.intellij.icons.AllIcons;
import com.intellij.ide.highlighter.ProjectFileType;
import com.intellij.openapi.application.ex.ApplicationInfoEx;
import com.intellij.openapi.fileChooser.FileChooserDescriptor;
import com.intellij.openapi.fileChooser.FileElement;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.IconLoader;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.projectImport.ProjectOpenProcessor;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
public class OpenProjectFileChooserDescriptor extends FileChooserDescriptor {
private static final Icon ourProjectIcon = IconLoader.getIcon(ApplicationInfoEx.getInstanceEx().getSmallIconUrl());
public OpenProjectFileChooserDescriptor(final boolean chooseFiles) {
super(chooseFiles, true, chooseFiles, chooseFiles, false, false);
}
public boolean isFileSelectable(final VirtualFile file) {
if (file == null) return false;
return isProjectDirectory(file) || isProjectFile(file);
}
public Icon getIcon(final VirtualFile file) {
if (isProjectDirectory(file)) {
return dressIcon(file, ourProjectIcon);
}
final Icon icon = getImporterIcon(file);
if (icon != null) {
return dressIcon(file, icon);
}
return super.getIcon(file);
}
@Nullable
private static Icon getImporterIcon(final VirtualFile virtualFile) {
final ProjectOpenProcessor provider = ProjectOpenProcessor.getImportProvider(virtualFile);
if (provider != null) {
return virtualFile.isDirectory() && provider.lookForProjectsInDirectory() ? AllIcons.Nodes.IdeaModule : provider.getIcon(virtualFile);
}
return null;
}
public boolean isFileVisible(final VirtualFile file, final boolean showHiddenFiles) {
if (!showHiddenFiles && FileElement.isFileHidden(file)) return false;
return isProjectFile(file) || super.isFileVisible(file, showHiddenFiles) && file.isDirectory();
}
public static boolean isProjectFile(final VirtualFile file) {
if (isIprFile(file)) return true;
final ProjectOpenProcessor importProvider = ProjectOpenProcessor.getImportProvider(file);
return importProvider != null;
}
private static boolean isIprFile(VirtualFile file) {
if ((!file.isDirectory() && file.getName().toLowerCase().endsWith(ProjectFileType.DOT_DEFAULT_EXTENSION))) {
return true;
}
return false;
}
private static boolean isProjectDirectory(final VirtualFile virtualFile) {
// the root directory of any drive is never an IDEA project
if (virtualFile.getParent() == null) return false;
// NOTE: For performance reasons, it's very important not to iterate through all of the children here.
if (virtualFile.isDirectory() && virtualFile.isValid() && virtualFile.findChild(Project.DIRECTORY_STORE_FOLDER) != null) return true;
return false;
}
}
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