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/*
* Copyright 2000-2009 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.hierarchy.call;
import com.intellij.codeInsight.highlighting.HighlightManager;
import com.intellij.icons.AllIcons;
import com.intellij.ide.IdeBundle;
import com.intellij.ide.hierarchy.HierarchyNodeDescriptor;
import com.intellij.ide.hierarchy.JavaHierarchyUtil;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.colors.EditorColors;
import com.intellij.openapi.editor.colors.EditorColorsManager;
import com.intellij.openapi.editor.markup.RangeHighlighter;
import com.intellij.openapi.editor.markup.TextAttributes;
import com.intellij.openapi.fileEditor.FileEditorManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.roots.ui.util.CompositeAppearance;
import com.intellij.openapi.util.Comparing;
import com.intellij.openapi.util.Iconable;
import com.intellij.openapi.util.TextRange;
import com.intellij.pom.Navigatable;
import com.intellij.psi.*;
import com.intellij.psi.presentation.java.ClassPresentationUtil;
import com.intellij.psi.util.PsiFormatUtil;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.psi.util.PsiUtilBase;
import com.intellij.psi.util.PsiUtilCore;
import com.intellij.ui.LayeredIcon;
import com.intellij.psi.util.FileTypeUtils;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import java.awt.*;
import java.util.ArrayList;
import java.util.List;
public final class CallHierarchyNodeDescriptor extends HierarchyNodeDescriptor implements Navigatable {
private int myUsageCount = 1;
private final List<PsiReference> myReferences = new ArrayList<PsiReference>();
private final boolean myNavigateToReference;
public CallHierarchyNodeDescriptor(@NotNull Project project,
final HierarchyNodeDescriptor parentDescriptor,
@NotNull PsiElement element,
final boolean isBase,
final boolean navigateToReference) {
super(project, parentDescriptor, element, isBase);
myNavigateToReference = navigateToReference;
}
/**
* @return PsiMethod or PsiClass or JspFile
*/
public final PsiMember getEnclosingElement(){
return myElement == null ? null : getEnclosingElement(myElement);
}
static PsiMember getEnclosingElement(final PsiElement element){
return PsiTreeUtil.getNonStrictParentOfType(element, PsiMethod.class, PsiClass.class);
}
public final void incrementUsageCount(){
myUsageCount++;
}
/**
* Element for OpenFileDescriptor
*/
public final PsiElement getTargetElement(){
return myElement;
}
public final boolean isValid(){
final PsiElement element = getEnclosingElement();
return element != null && element.isValid();
}
public final boolean update(){
final CompositeAppearance oldText = myHighlightedText;
final Icon oldIcon = getIcon();
int flags = Iconable.ICON_FLAG_VISIBILITY;
if (isMarkReadOnly()) {
flags |= Iconable.ICON_FLAG_READ_STATUS;
}
boolean changes = super.update();
final PsiElement enclosingElement = getEnclosingElement();
if (enclosingElement == null) {
final String invalidPrefix = IdeBundle.message("node.hierarchy.invalid");
if (!myHighlightedText.getText().startsWith(invalidPrefix)) {
myHighlightedText.getBeginning().addText(invalidPrefix, HierarchyNodeDescriptor.getInvalidPrefixAttributes());
}
return true;
}
Icon newIcon = enclosingElement.getIcon(flags);
if (changes && myIsBase) {
final LayeredIcon icon = new LayeredIcon(2);
icon.setIcon(newIcon, 0);
icon.setIcon(AllIcons.Hierarchy.Base, 1, -AllIcons.Hierarchy.Base.getIconWidth() / 2, 0);
newIcon = icon;
}
setIcon(newIcon);
myHighlightedText = new CompositeAppearance();
TextAttributes mainTextAttributes = null;
if (myColor != null) {
mainTextAttributes = new TextAttributes(myColor, null, null, null, Font.PLAIN);
}
if (enclosingElement instanceof PsiMethod) {
if (enclosingElement instanceof SyntheticElement) {
PsiFile file = enclosingElement.getContainingFile();
myHighlightedText.getEnding().addText(file != null ? file.getName() : IdeBundle.message("node.call.hierarchy.unknown.jsp"), mainTextAttributes);
}
else {
final PsiMethod method = (PsiMethod)enclosingElement;
final StringBuilder buffer = new StringBuilder(128);
final PsiClass containingClass = method.getContainingClass();
if (containingClass != null) {
buffer.append(ClassPresentationUtil.getNameForClass(containingClass, false));
buffer.append('.');
}
final String methodText = PsiFormatUtil.formatMethod(
method,
PsiSubstitutor.EMPTY, PsiFormatUtil.SHOW_NAME | PsiFormatUtil.SHOW_PARAMETERS,
PsiFormatUtil.SHOW_TYPE
);
buffer.append(methodText);
myHighlightedText.getEnding().addText(buffer.toString(), mainTextAttributes);
}
}
else if (FileTypeUtils.isInServerPageFile(enclosingElement) && enclosingElement instanceof PsiFile) {
final PsiFile file = PsiUtilCore.getTemplateLanguageFile(enclosingElement);
myHighlightedText.getEnding().addText(file.getName(), mainTextAttributes);
}
else {
myHighlightedText.getEnding().addText(ClassPresentationUtil.getNameForClass((PsiClass)enclosingElement, false), mainTextAttributes);
}
if (myUsageCount > 1) {
myHighlightedText.getEnding().addText(IdeBundle.message("node.call.hierarchy.N.usages", myUsageCount), HierarchyNodeDescriptor.getUsageCountPrefixAttributes());
}
if (!(FileTypeUtils.isInServerPageFile(enclosingElement) && enclosingElement instanceof PsiFile)) {
final PsiClass containingClass = enclosingElement instanceof PsiMethod
? ((PsiMethod)enclosingElement).getContainingClass()
: (PsiClass)enclosingElement;
if (containingClass != null) {
final String packageName = JavaHierarchyUtil.getPackageName(containingClass);
myHighlightedText.getEnding().addText(" (" + packageName + ")", HierarchyNodeDescriptor.getPackageNameAttributes());
}
}
myName = myHighlightedText.getText();
if (
!Comparing.equal(myHighlightedText, oldText) ||
!Comparing.equal(getIcon(), oldIcon)
){
changes = true;
}
return changes;
}
public void addReference(final PsiReference reference) {
myReferences.add(reference);
}
public boolean hasReference(PsiReference reference) {
return myReferences.contains(reference);
}
public void navigate(boolean requestFocus) {
if (!myNavigateToReference) {
if (myElement instanceof Navigatable && ((Navigatable)myElement).canNavigate()) {
((Navigatable)myElement).navigate(requestFocus);
}
return;
}
final PsiReference firstReference = myReferences.get(0);
final PsiElement element = firstReference.getElement();
if (element == null) return;
final PsiElement callElement = element.getParent();
if (callElement instanceof Navigatable && ((Navigatable)callElement).canNavigate()) {
((Navigatable)callElement).navigate(requestFocus);
} else {
final PsiFile psiFile = callElement.getContainingFile();
if (psiFile == null || psiFile.getVirtualFile() == null) return;
FileEditorManager.getInstance(myProject).openFile(psiFile.getVirtualFile(), requestFocus);
}
Editor editor = PsiUtilBase.findEditor(callElement);
if (editor != null) {
HighlightManager highlightManager = HighlightManager.getInstance(myProject);
EditorColorsManager colorManager = EditorColorsManager.getInstance();
TextAttributes attributes = colorManager.getGlobalScheme().getAttributes(EditorColors.SEARCH_RESULT_ATTRIBUTES);
ArrayList<RangeHighlighter> highlighters = new ArrayList<RangeHighlighter>();
for (PsiReference psiReference : myReferences) {
final PsiElement eachElement = psiReference.getElement();
if (eachElement != null) {
final PsiElement eachMethodCall = eachElement.getParent();
if (eachMethodCall != null) {
final TextRange textRange = eachMethodCall.getTextRange();
highlightManager.addRangeHighlight(editor, textRange.getStartOffset(), textRange.getEndOffset(), attributes, false, highlighters);
}
}
}
}
}
public boolean canNavigate() {
if (!myNavigateToReference) {
return myElement instanceof Navigatable && ((Navigatable) myElement).canNavigate();
}
if (myReferences.isEmpty()) return false;
final PsiReference firstReference = myReferences.get(0);
final PsiElement callElement = firstReference.getElement().getParent();
if (callElement == null || !callElement.isValid()) return false;
if (!(callElement instanceof Navigatable) || !((Navigatable)callElement).canNavigate()) {
final PsiFile psiFile = callElement.getContainingFile();
if (psiFile == null) return false;
}
return true;
}
public boolean canNavigateToSource() {
return canNavigate();
}
}
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