platform/platform-impl/src/com/intellij/openapi/editor/impl/DocumentMarkupModelManager.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.openapi.editor.impl;
  17
  18 import com.intellij.openapi.components.ProjectComponent;
  19 import com.intellij.openapi.diagnostic.Logger;
  20 import com.intellij.openapi.project.Project;
  21 import com.intellij.util.containers.WeakHashMap;
  22 import org.jetbrains.annotations.NotNull;
  23
  24 import java.util.Set;
  25
  26 /**
  27  * @author max
  28  */
  29 public class DocumentMarkupModelManager implements ProjectComponent {
  30   private static final Logger LOG = Logger.getInstance("#com.intellij.openapi.editor.impl.DocumentMarkupModelManager");
  31
  32   private final WeakHashMap<DocumentImpl,String> myDocumentSet = new WeakHashMap<DocumentImpl, String>();
  33   private final Project myProject;
  34   private boolean myIsDisposed = false;
  35
  36   public static DocumentMarkupModelManager getInstance(Project project) {
  37     return project.getComponent(DocumentMarkupModelManager.class);
  38   }
  39
  40   public DocumentMarkupModelManager(Project project) {
  41     myProject = project;
  42   }
  43
  44   public void projectOpened() {
  45   }
  46
  47   public void projectClosed() {
  48     cleanup();
  49   }
  50
  51   public void registerDocument(DocumentImpl doc) {
  52     LOG.assertTrue(!myIsDisposed);
  53     myDocumentSet.put(doc, "");
  54   }
  55
  56   @NotNull
  57   public String getComponentName() {
  58     return "DocumentMarkupModelManager";
  59   }
  60
  61   public boolean isDisposed() {
  62     return myIsDisposed;
  63   }
  64
  65   public void initComponent() { }
  66
  67   public void disposeComponent() {
  68     cleanup();
  69   }
  70
  71   private void cleanup() {
  72     if (!myIsDisposed) {
  73       myIsDisposed = true;
  74       Set<DocumentImpl> docs = myDocumentSet.keySet();
  75       for (DocumentImpl doc : docs) {
  76         doc.removeMarkupModel(myProject);
  77       }
  78     }
  79   }
  80 }