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/*
* Copyright 2000-2014 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.ide.highlighter.ProjectFileType;
import com.intellij.openapi.application.ex.ApplicationInfoEx;
import com.intellij.openapi.fileChooser.FileChooserDescriptor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.IconLoader;
import com.intellij.openapi.vfs.VfsUtil;
import com.intellij.openapi.vfs.VfsUtilCore;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.projectImport.ProjectOpenProcessor;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
/**
* Intended for use in actions related to opening or importing existing projects.
* <strong>Due to a high I/O impact SHOULD NOT be used in any other cases.</strong>
*/
public class OpenProjectFileChooserDescriptor extends FileChooserDescriptor {
private static final Icon ourProjectIcon = IconLoader.getIcon(ApplicationInfoEx.getInstanceEx().getSmallIconUrl());
public OpenProjectFileChooserDescriptor(boolean chooseFiles) {
super(chooseFiles, true, chooseFiles, chooseFiles, false, false);
}
@Override
public boolean isFileVisible(VirtualFile file, boolean showHiddenFiles) {
return super.isFileVisible(file, showHiddenFiles) && (file.isDirectory() || isProjectFile(file));
}
@Override
public boolean isFileSelectable(VirtualFile file) {
return isProjectDirectory(file) || isProjectFile(file);
}
@Override
public Icon getIcon(VirtualFile file) {
if (canInspectDirectory(file)) {
if (isIprFile(file) || isIdeaDirectory(file)) {
return dressIcon(file, ourProjectIcon);
}
Icon icon = getImporterIcon(file);
if (icon != null) {
return dressIcon(file, icon);
}
}
return super.getIcon(file);
}
private static boolean canInspectDirectory(VirtualFile file) {
if (file.getParent() == null) return false;
VirtualFile home = VfsUtil.getUserHomeDir();
if (home == null) return false; // unnatural situation
VirtualFile homes = home.getParent();
if (homes == null) return false; // another one
if (homes.equals(file.getParent()) || VfsUtilCore.isAncestor(file, homes, false)) return false;
return true;
}
private static Icon getImporterIcon(VirtualFile file) {
ProjectOpenProcessor provider = ProjectOpenProcessor.getImportProvider(file);
if (provider != null) {
return file.isDirectory() && provider.lookForProjectsInDirectory() ? ourProjectIcon : provider.getIcon(file);
}
return null;
}
public static boolean isProjectFile(@NotNull VirtualFile file) {
return !file.isDirectory() && file.isValid() && (isIprFile(file) || hasImportProvider(file));
}
private static boolean isProjectDirectory(@NotNull VirtualFile file) {
return file.isDirectory() && file.isValid() && (isIdeaDirectory(file) || hasImportProvider(file));
}
private static boolean isIprFile(VirtualFile file) {
return ProjectFileType.DEFAULT_EXTENSION.equalsIgnoreCase(file.getExtension());
}
private static boolean isIdeaDirectory(VirtualFile file) {
return file.findChild(Project.DIRECTORY_STORE_FOLDER) != null;
}
private static boolean hasImportProvider(VirtualFile file) {
return ProjectOpenProcessor.getImportProvider(file) != null;
}
}
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