| /* |
| * 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.structureView.impl; |
| |
| import com.intellij.ide.util.treeView.NodeDescriptor; |
| import com.intellij.openapi.roots.ui.CellAppearanceEx; |
| import com.intellij.openapi.roots.ui.FileAppearanceService; |
| import com.intellij.openapi.roots.ui.ModifiableCellAppearanceEx; |
| import com.intellij.openapi.roots.ui.util.CompositeAppearance; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiDocCommentOwner; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiMember; |
| import com.intellij.ui.ColoredTreeCellRenderer; |
| import com.intellij.ui.SimpleTextAttributes; |
| import org.jetbrains.annotations.NotNull; |
| |
| import javax.swing.*; |
| import javax.swing.tree.DefaultMutableTreeNode; |
| import javax.swing.tree.TreeNode; |
| |
| public class StructureNodeRenderer extends ColoredTreeCellRenderer { |
| @Override |
| public void customizeCellRenderer(@NotNull JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) { |
| forNodeDescriptorInTree(value, expanded).customize(this); |
| } |
| |
| public static CellAppearanceEx forNodeDescriptorInTree(Object node, boolean expanded) { |
| NodeDescriptor descriptor = getNodeDescriptor(node); |
| if (descriptor == null) return FileAppearanceService.getInstance().empty(); |
| String name = descriptor.toString(); |
| Object psiElement = descriptor.getElement(); |
| ModifiableCellAppearanceEx result; |
| if (psiElement instanceof PsiElement && !((PsiElement)psiElement).isValid()) { |
| result = CompositeAppearance.single(name); |
| } |
| else { |
| PsiClass psiClass = getContainingClass(psiElement); |
| if (isInheritedMember(node, psiClass) && psiClass != null) { |
| CompositeAppearance.DequeEnd ending = new CompositeAppearance().getEnding(); |
| ending.addText(name, applyDeprecation(psiElement, SimpleTextAttributes.DARK_TEXT)); |
| ending.addComment(psiClass.getName(), applyDeprecation(psiClass, SimpleTextAttributes.GRAY_ATTRIBUTES)); |
| result = ending.getAppearance(); |
| } |
| else { |
| SimpleTextAttributes textAttributes = applyDeprecation(psiElement, SimpleTextAttributes.REGULAR_ATTRIBUTES); |
| result = CompositeAppearance.single(name, textAttributes); |
| } |
| } |
| |
| result.setIcon(descriptor.getIcon()); |
| return result; |
| } |
| |
| private static boolean isInheritedMember(Object node, PsiClass psiClass) { |
| PsiClass treeParentClass = getTreeParentClass(node); |
| return treeParentClass != psiClass; |
| } |
| |
| public static SimpleTextAttributes applyDeprecation(Object value, SimpleTextAttributes nameAttributes) { |
| return isDeprecated(value) ? makeStrikeout(nameAttributes) : nameAttributes; |
| } |
| |
| private static SimpleTextAttributes makeStrikeout(SimpleTextAttributes nameAttributes) { |
| return new SimpleTextAttributes(nameAttributes.getStyle() | SimpleTextAttributes.STYLE_STRIKEOUT, nameAttributes.getFgColor()); |
| } |
| |
| private static boolean isDeprecated(Object psiElement) { |
| return psiElement instanceof PsiDocCommentOwner && ((PsiDocCommentOwner)psiElement).isDeprecated(); |
| } |
| |
| private static PsiClass getContainingClass(Object element) { |
| if (element instanceof PsiMember) |
| return ((PsiMember) element).getContainingClass(); |
| return null; |
| } |
| |
| private static PsiClass getTreeParentClass(Object value) { |
| if (!(value instanceof TreeNode)) |
| return null; |
| for (TreeNode treeNode = ((TreeNode) value).getParent(); treeNode != null; treeNode = treeNode.getParent()) { |
| Object element = getElement(treeNode); |
| if (element instanceof PsiClass) |
| return (PsiClass) element; |
| } |
| return null; |
| } |
| |
| private static NodeDescriptor getNodeDescriptor(Object value) { |
| if (value instanceof DefaultMutableTreeNode) { |
| DefaultMutableTreeNode node = (DefaultMutableTreeNode) value; |
| Object userObject = node.getUserObject(); |
| if (userObject instanceof NodeDescriptor) { |
| return (NodeDescriptor)userObject; |
| } |
| } |
| return null; |
| } |
| |
| private static Object getElement(Object node) { |
| NodeDescriptor descriptor = getNodeDescriptor(node); |
| return descriptor == null ? null : descriptor.getElement(); |
| } |
| } |