| /* |
| * 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.method; |
| |
| 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.markup.TextAttributes; |
| 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.psi.*; |
| import com.intellij.psi.presentation.java.ClassPresentationUtil; |
| import com.intellij.ui.LayeredIcon; |
| import com.intellij.ui.RowIcon; |
| |
| import javax.swing.*; |
| import java.awt.*; |
| |
| public final class MethodHierarchyNodeDescriptor extends HierarchyNodeDescriptor { |
| |
| private Icon myRawIcon; |
| private Icon myStateIcon; |
| private MethodHierarchyTreeStructure myTreeStructure; |
| |
| public MethodHierarchyNodeDescriptor(final Project project, |
| final HierarchyNodeDescriptor parentDescriptor, |
| final PsiElement aClass, |
| final boolean isBase, |
| final MethodHierarchyTreeStructure treeStructure |
| ) { |
| super(project, parentDescriptor, aClass, isBase); |
| myTreeStructure = treeStructure; |
| } |
| |
| public final void setTreeStructure(final MethodHierarchyTreeStructure treeStructure) { |
| myTreeStructure = treeStructure; |
| } |
| |
| PsiMethod getMethod(final PsiClass aClass, final boolean checkBases) { |
| return MethodHierarchyUtil.findBaseMethodInClass(myTreeStructure.getBaseMethod(), aClass, checkBases); |
| } |
| |
| public final PsiElement getPsiClass() { |
| return myElement; |
| } |
| |
| /** |
| * Element for OpenFileDescriptor |
| */ |
| public final PsiElement getTargetElement() { |
| final PsiElement element = getPsiClass(); |
| if (!(element instanceof PsiClass)) return element; |
| final PsiClass aClass = (PsiClass)getPsiClass(); |
| if (!aClass.isValid()) return null; |
| final PsiMethod method = getMethod(aClass, false); |
| if (method != null) return method; |
| return aClass; |
| } |
| |
| public final boolean isValid() { |
| final PsiElement psiElement = getPsiClass(); |
| return psiElement != null && psiElement.isValid(); |
| } |
| |
| public final boolean update() { |
| int flags = Iconable.ICON_FLAG_VISIBILITY; |
| if (isMarkReadOnly()){ |
| flags |= Iconable.ICON_FLAG_READ_STATUS; |
| } |
| |
| boolean changes = super.update(); |
| |
| final PsiElement psiClass = getPsiClass(); |
| |
| if (psiClass == null){ |
| final String invalidPrefix = IdeBundle.message("node.hierarchy.invalid"); |
| if (!myHighlightedText.getText().startsWith(invalidPrefix)) { |
| myHighlightedText.getBeginning().addText(invalidPrefix, HierarchyNodeDescriptor.getInvalidPrefixAttributes()); |
| } |
| return true; |
| } |
| |
| final Icon newRawIcon = psiClass.getIcon(flags); |
| final Icon newStateIcon = psiClass instanceof PsiClass ? calculateState((PsiClass)psiClass) : AllIcons.Hierarchy.MethodDefined; |
| |
| if (changes || newRawIcon != myRawIcon || newStateIcon != myStateIcon) { |
| changes = true; |
| |
| myRawIcon = newRawIcon; |
| myStateIcon = newStateIcon; |
| |
| Icon newIcon = myRawIcon; |
| |
| if (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; |
| } |
| |
| if (myStateIcon != null) { |
| final RowIcon icon = new RowIcon(2); |
| icon.setIcon(myStateIcon, 0); |
| icon.setIcon(newIcon, 1); |
| newIcon = icon; |
| } |
| |
| setIcon(newIcon); |
| } |
| |
| final CompositeAppearance oldText = myHighlightedText; |
| |
| myHighlightedText = new CompositeAppearance(); |
| TextAttributes classNameAttributes = null; |
| if (myColor != null) { |
| classNameAttributes = new TextAttributes(myColor, null, null, null, Font.PLAIN); |
| } |
| if (psiClass instanceof PsiClass) { |
| myHighlightedText.getEnding().addText(ClassPresentationUtil.getNameForClass((PsiClass)psiClass, false), classNameAttributes); |
| myHighlightedText.getEnding().addText(" (" + JavaHierarchyUtil.getPackageName((PsiClass)psiClass) + ")", HierarchyNodeDescriptor.getPackageNameAttributes()); |
| } else if (psiClass instanceof PsiFunctionalExpression) { |
| myHighlightedText.getEnding().addText(ClassPresentationUtil.getFunctionalExpressionPresentation((PsiFunctionalExpression)psiClass, false)); |
| } |
| myName = myHighlightedText.getText(); |
| |
| if (!Comparing.equal(myHighlightedText, oldText)) { |
| changes = true; |
| } |
| return changes; |
| } |
| |
| private Icon calculateState(final PsiClass psiClass) { |
| final PsiMethod method = getMethod(psiClass, false); |
| if (method != null) { |
| if (method.hasModifierProperty(PsiModifier.ABSTRACT)) { |
| return null; |
| } |
| return AllIcons.Hierarchy.MethodDefined; |
| } |
| |
| if (myTreeStructure.isSuperClassForBaseClass(psiClass)) { |
| return AllIcons.Hierarchy.MethodNotDefined; |
| } |
| |
| final boolean isAbstractClass = psiClass.hasModifierProperty(PsiModifier.ABSTRACT); |
| |
| // was it implemented is in superclasses? |
| final PsiMethod baseClassMethod = getMethod(psiClass, true); |
| |
| final boolean hasBaseImplementation = baseClassMethod != null && !baseClassMethod.hasModifierProperty(PsiModifier.ABSTRACT); |
| |
| if (hasBaseImplementation || isAbstractClass) { |
| return AllIcons.Hierarchy.MethodNotDefined; |
| } |
| else { |
| return AllIcons.Hierarchy.ShouldDefineMethod; |
| } |
| } |
| } |