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/*
* Copyright 2000-2011 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.openapi.roots.libraries.ui.impl;
import com.intellij.ide.util.ChooseElementsDialog;
import com.intellij.openapi.application.ApplicationNamesInfo;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.progress.ProcessCanceledException;
import com.intellij.openapi.progress.ProgressIndicator;
import com.intellij.openapi.progress.Task;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.OrderRootType;
import com.intellij.openapi.roots.libraries.LibraryRootType;
import com.intellij.openapi.roots.libraries.ui.DetectedLibraryRoot;
import com.intellij.openapi.roots.libraries.ui.LibraryRootsComponentDescriptor;
import com.intellij.openapi.roots.libraries.ui.LibraryRootsDetector;
import com.intellij.openapi.roots.libraries.ui.OrderRoot;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.xml.util.XmlStringUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.awt.*;
import java.util.*;
import java.util.List;
/**
* @author nik
*/
public class RootDetectionUtil {
private static final Logger LOG = Logger.getInstance("#com.intellij.openapi.roots.ui.configuration.libraryEditor.RootDetectionUtil");
private RootDetectionUtil() {
}
@NotNull
public static List<OrderRoot> detectRoots(@NotNull final Collection<VirtualFile> rootCandidates,
@Nullable Component parentComponent,
@Nullable Project project,
@NotNull final LibraryRootsComponentDescriptor rootsComponentDescriptor) {
return detectRoots(rootCandidates, parentComponent, project, rootsComponentDescriptor.getRootsDetector(),
rootsComponentDescriptor.getRootTypes());
}
@NotNull
public static List<OrderRoot> detectRoots(@NotNull final Collection<VirtualFile> rootCandidates, @Nullable Component parentComponent,
@Nullable Project project, @NotNull final LibraryRootsDetector detector,
@NotNull OrderRootType[] rootTypesAllowedToBeSelectedByUserIfNothingIsDetected) {
final List<OrderRoot> result = new ArrayList<OrderRoot>();
final List<SuggestedChildRootInfo> suggestedRoots = new ArrayList<SuggestedChildRootInfo>();
new Task.Modal(project, "Scanning for Roots", true) {
@Override
public void run(@NotNull ProgressIndicator indicator) {
try {
for (VirtualFile rootCandidate : rootCandidates) {
final Collection<DetectedLibraryRoot> roots = detector.detectRoots(rootCandidate, indicator);
if (!roots.isEmpty() && allRootsHaveOneTypeAndEqualTo(roots, rootCandidate)) {
for (DetectedLibraryRoot root : roots) {
final LibraryRootType libraryRootType = root.getTypes().get(0);
result.add(new OrderRoot(root.getFile(), libraryRootType.getType(), libraryRootType.isJarDirectory()));
}
}
else {
for (DetectedLibraryRoot root : roots) {
final HashMap<LibraryRootType, String> names = new HashMap<LibraryRootType, String>();
for (LibraryRootType type : root.getTypes()) {
final String typeName = detector.getRootTypeName(type);
LOG.assertTrue(typeName != null, "Unexpected root type " + type.getType().name() + (type.isJarDirectory() ? " (jar directory)" : "") + ", detectors: " + detector);
names.put(type, typeName);
}
suggestedRoots.add(new SuggestedChildRootInfo(rootCandidate, root, names));
}
}
}
}
catch (ProcessCanceledException ignored) {
}
}
}.queue();
if (!suggestedRoots.isEmpty()) {
final DetectedRootsChooserDialog dialog = parentComponent != null
? new DetectedRootsChooserDialog(parentComponent, suggestedRoots)
: new DetectedRootsChooserDialog(project, suggestedRoots);
dialog.show();
if (!dialog.isOK()) {
return Collections.emptyList();
}
for (SuggestedChildRootInfo rootInfo : dialog.getChosenRoots()) {
final LibraryRootType selectedRootType = rootInfo.getSelectedRootType();
result.add(new OrderRoot(rootInfo.getDetectedRoot().getFile(), selectedRootType.getType(), selectedRootType.isJarDirectory()));
}
}
if (result.isEmpty() && rootTypesAllowedToBeSelectedByUserIfNothingIsDetected.length > 0) {
Map<String, Pair<OrderRootType, Boolean>> types = new HashMap<String, Pair<OrderRootType, Boolean>>();
for (OrderRootType type : rootTypesAllowedToBeSelectedByUserIfNothingIsDetected) {
for (boolean isJarDirectory : new boolean[]{false, true}) {
final String typeName = detector.getRootTypeName(new LibraryRootType(type, isJarDirectory));
if (typeName != null) {
types.put(StringUtil.capitalizeWords(typeName, true), Pair.create(type, isJarDirectory));
}
}
}
LOG.assertTrue(!types.isEmpty(), "No allowed root types found for " + detector);
List<String> names = new ArrayList<String>(types.keySet());
String title = "Choose Categories of Selected Files";
String description = XmlStringUtil.wrapInHtml(ApplicationNamesInfo.getInstance().getProductName() + " cannot determine what kind of files the chosen items contain.<br>" +
"Choose the appropriate categories from the list.");
ChooseElementsDialog<String> dialog;
if (parentComponent != null) {
dialog = new ChooseRootTypeElementsDialog(parentComponent, names, title, description);
}
else {
dialog = new ChooseRootTypeElementsDialog(project, names, title, description);
}
for (String rootType : dialog.showAndGetResult()) {
final Pair<OrderRootType, Boolean> pair = types.get(rootType);
for (VirtualFile candidate : rootCandidates) {
result.add(new OrderRoot(candidate, pair.getFirst(), pair.getSecond()));
}
}
}
return result;
}
private static boolean allRootsHaveOneTypeAndEqualTo(Collection<DetectedLibraryRoot> roots, VirtualFile candidate) {
for (DetectedLibraryRoot root : roots) {
if (root.getTypes().size() > 1 || !root.getFile().equals(candidate)) {
return false;
}
}
return true;
}
private static class ChooseRootTypeElementsDialog extends ChooseElementsDialog<String> {
public ChooseRootTypeElementsDialog(Project project, List<String> names, String title, String description) {
super(project, names, title, description, true);
}
private ChooseRootTypeElementsDialog(Component parent, List<String> names, String title, String description) {
super(parent, names, title, description, true);
}
@Override
protected String getItemText(String item) {
return item;
}
@Nullable
@Override
protected Icon getItemIcon(String item) {
return null;
}
}
}
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