vcs-impl/src/com/intellij/openapi/vcs/changes/VcsDirtyScopeVfsListener.java

   1 package com.intellij.openapi.vcs.changes;
   2
   3 import com.intellij.openapi.application.ApplicationManager;
   4 import com.intellij.openapi.components.ApplicationComponent;
   5 import com.intellij.openapi.project.Project;
   6 import com.intellij.openapi.project.ProjectLocator;
   7 import com.intellij.openapi.vcs.FilePathImpl;
   8 import com.intellij.openapi.vfs.*;
   9 import org.jetbrains.annotations.NotNull;
  10 import org.jetbrains.annotations.Nullable;
  11
  12 import java.io.File;
  13
  14 public class VcsDirtyScopeVfsListener extends VirtualFileAdapter implements ApplicationComponent {
  15   private final ProjectLocator myProjectLocator;
  16
  17   public VcsDirtyScopeVfsListener() {
  18     myProjectLocator = ProjectLocator.getInstance();
  19   }
  20
  21   @NotNull
  22   public String getComponentName() {
  23     return VcsDirtyScopeVfsListener.class.getName();
  24   }
  25
  26   public void initComponent() {
  27     VirtualFileManager.getInstance().addVirtualFileListener(this, ApplicationManager.getApplication());
  28   }
  29
  30   public void disposeComponent() {
  31     VirtualFileManager.getInstance().removeVirtualFileListener(this);
  32   }
  33
  34   @Nullable
  35   VcsDirtyScopeManager getManager(final VirtualFileEvent event) {
  36     final Project project = myProjectLocator.guessProjectForFile(event.getFile());
  37     if (project == null) return null;
  38     return VcsDirtyScopeManager.getInstance(project);
  39   }
  40
  41   @Override
  42   public void contentsChanged(VirtualFileEvent event) {
  43     final VcsDirtyScopeManager manager = getManager(event);
  44     if (manager != null) {
  45       manager.fileDirty(event.getFile());
  46     }
  47   }
  48
  49   @Override
  50   public void propertyChanged(VirtualFilePropertyEvent event) {
  51     final VcsDirtyScopeManager manager = getManager(event);
  52     if (manager != null) {
  53       if (event.getPropertyName().equals(VirtualFile.PROP_NAME)) {
  54         VirtualFile renamed = event.getFile();
  55         if (renamed.getParent() != null) {
  56           renamed = renamed.getParent();
  57         }
  58         dirtyFileOrDir(manager, renamed);
  59       }
  60       else {
  61         manager.fileDirty(event.getFile());
  62       }
  63     }
  64   }
  65
  66   private static void dirtyFileOrDir(@NotNull final VcsDirtyScopeManager manager, final VirtualFile file) {
  67     if (file.isDirectory()) {
  68         manager.dirDirtyRecursively(file);
  69       }
  70       else {
  71         manager.fileDirty(file);
  72       }
  73   }
  74
  75   @Override
  76   public void fileCreated(VirtualFileEvent event) {
  77     final VcsDirtyScopeManager manager = getManager(event);
  78     if (manager != null) {
  79       manager.fileDirty(event.getFile());
  80     }
  81   }
  82
  83   @Override
  84   public void beforePropertyChange(VirtualFilePropertyEvent event) {
  85     final VcsDirtyScopeManager manager = getManager(event);
  86     if (manager != null) {
  87       manager.fileDirty(event.getFile());
  88     }
  89   }
  90
  91   @Override
  92   public void beforeFileDeletion(VirtualFileEvent event) {
  93     if (!event.getFile().isInLocalFileSystem()) return;
  94
  95     final VcsDirtyScopeManager manager = getManager(event);
  96     if (manager != null) {
  97       // need to keep track of whether the deleted file was a directory
  98       final boolean directory = event.getFile().isDirectory();
  99       final FilePathImpl path = new FilePathImpl(new File(event.getFile().getPath()), directory);
 100       if (directory) {
 101         manager.dirDirtyRecursively(path);   // IDEADEV-12752
 102       }
 103       else {
 104         manager.fileDirty(path);
 105       }
 106     }
 107   }
 108
 109   @Override
 110   public void beforeFileMovement(VirtualFileMoveEvent event) {
 111     final VcsDirtyScopeManager manager = getManager(event);
 112     if (manager != null) {
 113       // need to create FilePath explicitly without referring to VirtualFile because otherwise the FilePath
 114       // will reference the path after the move
 115       manager.fileDirty(new FilePathImpl(new File(event.getFile().getPath()), event.getFile().isDirectory()));
 116     }
 117   }
 118
 119   @Override
 120   public void fileMoved(VirtualFileMoveEvent event) {
 121     final VcsDirtyScopeManager manager = getManager(event);
 122     if (manager != null) {
 123       dirtyFileOrDir(manager, event.getFile());
 124     }
 125   }
 126 }