| /* |
| * 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; |
| } |
| } |