| /* |
| * 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.todo; |
| |
| import com.intellij.ide.todo.nodes.SingleFileToDoNode; |
| import com.intellij.ide.todo.nodes.ToDoRootNode; |
| import com.intellij.ide.util.treeView.AbstractTreeNode; |
| import com.intellij.ide.util.treeView.NodeDescriptor; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.PsiManager; |
| |
| public final class CurrentFileTodosTreeStructure extends TodoTreeStructure{ |
| private static final Logger LOG=Logger.getInstance("#com.intellij.ide.todo.CurrentFileTodosTreeStructure"); |
| private static final Object[] ourEmptyArray=new Object[]{}; |
| |
| /** |
| * Current <code>VirtualFile</code> for which the structure is built. If <code>myFile</code> is <code>null</code> |
| * then the structure is empty (contains only root node). |
| */ |
| private PsiFile myFile; |
| |
| public CurrentFileTodosTreeStructure(Project project){ |
| super(project); |
| } |
| |
| @Override |
| protected void validateCache(){ |
| super.validateCache(); |
| if(myFile!=null && !myFile.isValid()){ |
| VirtualFile vFile=myFile.getVirtualFile(); |
| if(vFile.isValid()){ |
| myFile=PsiManager.getInstance(myProject).findFile(vFile); |
| }else{ |
| myFile=null; |
| } |
| } |
| } |
| |
| PsiFile getFile(){ |
| return myFile; |
| } |
| |
| /** |
| * Sets <code>file</code> for which the structure is built. Alter this method is invoked caches should |
| * be validated. |
| */ |
| public void setFile(PsiFile file){ |
| myFile=file; |
| myRootElement = createRootElement(); |
| } |
| |
| @Override |
| public boolean accept(PsiFile psiFile){ |
| if(myFile==null||!myFile.equals(psiFile)||!myFile.isValid()){ |
| return false; |
| } |
| return (myTodoFilter!=null&&myTodoFilter.accept(mySearchHelper,psiFile))|| |
| (myTodoFilter==null&&mySearchHelper.getTodoItemsCount(psiFile)>0); |
| } |
| |
| @Override |
| boolean isAutoExpandNode(NodeDescriptor descriptor){ |
| Object element=descriptor.getElement(); |
| if(element==myFile){ |
| return true; |
| }else{ |
| return super.isAutoExpandNode(descriptor); |
| } |
| } |
| |
| @Override |
| Object getFirstSelectableElement(){ |
| if (myRootElement instanceof SingleFileToDoNode){ |
| return ((SingleFileToDoNode)myRootElement).getFileNode(); |
| } else { |
| return null; |
| } |
| } |
| |
| @Override |
| public boolean getIsPackagesShown() { |
| return myArePackagesShown; |
| } |
| |
| @Override |
| protected AbstractTreeNode createRootElement() { |
| if (!accept(myFile)) { |
| return new ToDoRootNode(myProject, new Object(), myBuilder, mySummaryElement); |
| } else { |
| return new SingleFileToDoNode(myProject, myFile, myBuilder); |
| } |
| |
| } |
| } |