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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.navigationToolbar;
import com.intellij.icons.AllIcons;
import com.intellij.ide.IdeBundle;
import com.intellij.ide.projectView.impl.ProjectRootsUtil;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.extensions.Extensions;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleManager;
import com.intellij.openapi.module.ModuleType;
import com.intellij.openapi.module.ModuleUtil;
import com.intellij.openapi.project.IndexNotReadyException;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.projectRoots.SdkType;
import com.intellij.openapi.projectRoots.SdkTypeId;
import com.intellij.openapi.roots.JdkOrderEntry;
import com.intellij.openapi.roots.LibraryOrderEntry;
import com.intellij.openapi.roots.ModuleOrderEntry;
import com.intellij.openapi.util.Computable;
import com.intellij.openapi.util.Condition;
import com.intellij.openapi.vcs.FileStatusManager;
import com.intellij.openapi.vfs.VfsUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.problems.WolfTheProblemSolver;
import com.intellij.psi.PsiDirectory;
import com.intellij.psi.PsiDirectoryContainer;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.ui.JBColor;
import com.intellij.ui.SimpleTextAttributes;
import com.intellij.util.IconUtil;
import com.intellij.util.ui.UIUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.awt.*;
/**
* @author Konstantin Bulenkov
*/
public class NavBarPresentation {
private static final SimpleTextAttributes WOLFED = new SimpleTextAttributes(null, null, JBColor.red, SimpleTextAttributes.STYLE_WAVED);
private final Project myProject;
public NavBarPresentation(Project project) {
myProject = project;
}
@SuppressWarnings("MethodMayBeStatic")
@Nullable
public Icon getIcon(final Object object) {
if (!NavBarModel.isValid(object)) return null;
if (object instanceof Project) return AllIcons.Nodes.Project;
if (object instanceof Module) return ModuleType.get(((Module)object)).getIcon();
try {
if (object instanceof PsiElement) {
Icon icon = ApplicationManager.getApplication().runReadAction(new Computable<Icon>() {
@Override
public Icon compute() {
return ((PsiElement)object).isValid() ? ((PsiElement)object).getIcon(0) : null;
}
});
if (icon != null && (icon.getIconHeight() > 16 || icon.getIconWidth() > 16)) {
icon = IconUtil.cropIcon(icon, 16, 16);
}
return icon;
}
}
catch (IndexNotReadyException e) {
return null;
}
if (object instanceof JdkOrderEntry) {
final SdkTypeId sdkType = ((JdkOrderEntry)object).getJdk().getSdkType();
return ((SdkType) sdkType).getIcon();
}
if (object instanceof LibraryOrderEntry) return AllIcons.Nodes.PpLibFolder;
if (object instanceof ModuleOrderEntry) return ModuleType.get(((ModuleOrderEntry)object).getModule()).getIcon();
return null;
}
@SuppressWarnings("MethodMayBeStatic")
@NotNull
protected String getPresentableText(final Object object) {
if (!NavBarModel.isValid(object)) {
return IdeBundle.message("node.structureview.invalid");
}
for (NavBarModelExtension modelExtension : Extensions.getExtensions(NavBarModelExtension.EP_NAME)) {
String text = modelExtension.getPresentableText(object);
if (text != null) {
return text.length() > 50 ? text.substring(0, 47) + "..." : text;
}
}
return object.toString();
}
protected SimpleTextAttributes getTextAttributes(final Object object, final boolean selected) {
if (!NavBarModel.isValid(object)) return SimpleTextAttributes.REGULAR_ATTRIBUTES;
if (object instanceof PsiElement) {
if (!ApplicationManager.getApplication().runReadAction(new Computable<Boolean>() {
@Override
public Boolean compute() {
return ((PsiElement)object).isValid();
}
}).booleanValue()) return SimpleTextAttributes.GRAYED_ATTRIBUTES;
PsiFile psiFile = ((PsiElement)object).getContainingFile();
if (psiFile != null) {
final VirtualFile virtualFile = psiFile.getVirtualFile();
return new SimpleTextAttributes(null, selected ? null : FileStatusManager.getInstance(myProject).getStatus(virtualFile).getColor(),
JBColor.red, WolfTheProblemSolver.getInstance(myProject).isProblemFile(virtualFile)
? SimpleTextAttributes.STYLE_WAVED
: SimpleTextAttributes.STYLE_PLAIN);
}
else {
if (object instanceof PsiDirectory) {
VirtualFile vDir = ((PsiDirectory)object).getVirtualFile();
if (vDir.getParent() == null || ProjectRootsUtil.isModuleContentRoot(vDir, myProject)) {
return SimpleTextAttributes.REGULAR_BOLD_ATTRIBUTES;
}
}
if (wolfHasProblemFilesBeneath((PsiElement)object)) {
return WOLFED;
}
}
}
else if (object instanceof Module) {
if (WolfTheProblemSolver.getInstance(myProject).hasProblemFilesBeneath((Module)object)) {
return WOLFED;
}
}
else if (object instanceof Project) {
final Project project = (Project)object;
final Module[] modules = ApplicationManager.getApplication().runReadAction(
new Computable<Module[]>() {
@Override
public Module[] compute() {
return ModuleManager.getInstance(project).getModules();
}
}
);
for (Module module : modules) {
if (WolfTheProblemSolver.getInstance(project).hasProblemFilesBeneath(module)) {
return WOLFED;
}
}
}
return SimpleTextAttributes.REGULAR_ATTRIBUTES;
}
public static boolean wolfHasProblemFilesBeneath(final PsiElement scope) {
return WolfTheProblemSolver.getInstance(scope.getProject()).hasProblemFilesBeneath(new Condition<VirtualFile>() {
@Override
public boolean value(final VirtualFile virtualFile) {
if (scope instanceof PsiDirectory) {
final PsiDirectory directory = (PsiDirectory)scope;
if (!VfsUtil.isAncestor(directory.getVirtualFile(), virtualFile, false)) return false;
return ModuleUtil.findModuleForFile(virtualFile, scope.getProject()) == ModuleUtil.findModuleForPsiElement(scope);
}
else if (scope instanceof PsiDirectoryContainer) { // TODO: remove. It doesn't look like we'll have packages in navbar ever again
final PsiDirectory[] psiDirectories = ((PsiDirectoryContainer)scope).getDirectories();
for (PsiDirectory directory : psiDirectories) {
if (VfsUtil.isAncestor(directory.getVirtualFile(), virtualFile, false)) {
return true;
}
}
}
return false;
}
});
}
}
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