java/java-impl/src/com/intellij/psi/impl/file/PsiJavaDirectoryImpl.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.psi.impl.file;
  17
  18 import com.intellij.ide.impl.ProjectViewSelectInTarget;
  19 import com.intellij.ide.projectView.impl.ProjectViewPane;
  20 import com.intellij.openapi.diagnostic.Logger;
  21 import com.intellij.openapi.fileTypes.FileType;
  22 import com.intellij.openapi.fileTypes.FileTypeManager;
  23 import com.intellij.openapi.fileTypes.StdFileTypes;
  24 import com.intellij.openapi.vfs.VirtualFile;
  25 import com.intellij.psi.JavaDirectoryService;
  26 import com.intellij.psi.PsiClass;
  27 import com.intellij.psi.PsiElement;
  28 import com.intellij.psi.PsiFile;
  29 import com.intellij.psi.impl.PsiManagerImpl;
  30 import com.intellij.util.IncorrectOperationException;
  31 import org.jetbrains.annotations.NotNull;
  32
  33 public class PsiJavaDirectoryImpl extends PsiDirectoryImpl {
  34   private static final Logger LOG = Logger.getInstance("#com.intellij.psi.impl.file.PsiJavaDirectoryImpl");
  35
  36   public PsiJavaDirectoryImpl(PsiManagerImpl manager, VirtualFile file) {
  37     super(manager, file);
  38   }
  39
  40   public void checkCreateFile(@NotNull final String name) throws IncorrectOperationException {
  41     FileTypeManager fileTypeManager = FileTypeManager.getInstance();
  42     FileType type = fileTypeManager.getFileTypeByFileName(name);
  43     if (type == StdFileTypes.CLASS) {
  44       throw new IncorrectOperationException("Cannot create class-file");
  45     }
  46
  47     super.checkCreateFile(name);
  48   }
  49
  50   public PsiElement add(@NotNull final PsiElement element) throws IncorrectOperationException {
  51     if (element instanceof PsiClass) {
  52       final String name = ((PsiClass)element).getName();
  53       if (name != null) {
  54         final PsiClass newClass = JavaDirectoryService.getInstance().createClass(this, name);
  55         return newClass.replace(element);
  56       }
  57       else {
  58         LOG.error("not implemented");
  59         return null;
  60       }
  61     }
  62     else {
  63       return super.add(element);
  64     }
  65   }
  66
  67   public void checkAdd(@NotNull final PsiElement element) throws IncorrectOperationException {
  68     if (element instanceof PsiClass) {
  69       if (element.getParent() instanceof PsiFile) {
  70         JavaDirectoryServiceImpl.checkCreateClassOrInterface(this, ((PsiClass)element).getName());
  71       }
  72       else {
  73         LOG.error("not implemented");
  74       }
  75     }
  76     else {
  77       super.checkAdd(element);
  78     }
  79   }
  80
  81   public void navigate(final boolean requestFocus) {
  82     ProjectViewSelectInTarget.select(getProject(), this, ProjectViewPane.ID, null, getVirtualFile(), requestFocus);
  83   }
  84 }