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  3. com.intellij.psi.impl.PsiTreeChangeEventImpl

Java 类com.intellij.psi.impl.PsiTreeChangeEventImpl 实例源码

项目：intellij-ce-playground    文件：DiffLog.java    
@Override
void doActualPsiChange(@NotNull PsiFile file, @NotNull ASTDiffBuilder astDiffBuilder) {
  ASTNode child = myOldNode;
  ASTNode parent = myOldParent;

  PsiElement psiParent = parent.getPsi();
  PsiElement psiChild = file.isPhysical() ? child.getPsi() : null;

  if (psiParent != null && psiChild != null) {
    PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(file.getManager());
    event.setParent(psiParent);
    event.setChild(psiChild);
    event.setFile(file);
    ((PsiManagerEx)file.getManager()).beforeChildRemoval(event);
  }

  astDiffBuilder.nodeDeleted(parent, child);

  ((TreeElement)child).rawRemove();
  ((CompositeElement)parent).subtreeChanged();

  DebugUtil.checkTreeStructure(parent);
}
项目：intellij-ce-playground    文件：BlockSupportImpl.java    
public static void sendAfterChildrenChangedEvent(@NotNull PsiManagerImpl manager,
                                                 @NotNull PsiFile scope,
                                                 int oldLength,
                                                 boolean isGenericChange) {
  if (!scope.isPhysical()) {
    manager.afterChange(false);
    return;
  }
  PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(manager);
  event.setParent(scope);
  event.setFile(scope);
  event.setOffset(0);
  event.setOldLength(oldLength);
  event.setGenericChange(isGenericChange);
  manager.childrenChanged(event);
}
项目：intellij-ce-playground    文件：PsiVFSListener.java    
@Override
public void beforeRootsChange(final ModuleRootEvent event) {
  if (!myFileManager.isInitialized()) return;
  if (event.isCausedByFileTypesChange()) return;
  ApplicationManager.getApplication().runWriteAction(
    new ExternalChangeAction() {
      @Override
      public void run() {
        depthCounter++;
        if (depthCounter > 1) return;

        PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager);
        treeEvent.setPropertyName(PsiTreeChangeEvent.PROP_ROOTS);
        final VirtualFile[] contentRoots = myProjectRootManager.getContentRoots();
        LOG.assertTrue(myOldContentRoots == null);
        myOldContentRoots = contentRoots;
        treeEvent.setOldValue(contentRoots);
        myManager.beforePropertyChange(treeEvent);
      }
    }
  );
}
项目：tools-idea    文件：DiffLog.java    
@Override
void doActualPsiChange(@NotNull PsiFile file, @NotNull ASTDiffBuilder astDiffBuilder) {
  ASTNode child = myOldNode;
  ASTNode parent = myOldParent;

  PsiElement psiParent = parent.getPsi();
  PsiElement psiChild = file.isPhysical() ? child.getPsi() : null;

  if (psiParent != null && psiChild != null) {
    PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(file.getManager());
    event.setParent(psiParent);
    event.setChild(psiChild);
    event.setFile(file);
    ((PsiManagerEx)file.getManager()).beforeChildRemoval(event);
  }

  astDiffBuilder.nodeDeleted(parent, child);

  ((TreeElement)child).rawRemove();
  ((CompositeElement)parent).subtreeChanged();

  DebugUtil.checkTreeStructure(parent);

}
项目：tools-idea    文件：BlockSupportImpl.java    
public static void sendAfterChildrenChangedEvent(@NotNull PsiManagerImpl manager,
                                                 @NotNull PsiFileImpl scope,
                                                 int oldLength,
                                                 boolean isGenericChange) {
  if(!scope.isPhysical()) {
    manager.afterChange(false);
    return;
  }
  PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(manager);
  event.setParent(scope);
  event.setFile(scope);
  event.setOffset(0);
  event.setOldLength(oldLength);
  event.setGeneric(isGenericChange);
  manager.childrenChanged(event);
}
项目：tools-idea    文件：PsiVFSListener.java    
@Override
public void beforeRootsChange(final ModuleRootEvent event) {
  if (!myFileManager.isInitialized()) return;
  if (event.isCausedByFileTypesChange()) return;
  ApplicationManager.getApplication().runWriteAction(
    new ExternalChangeAction() {
      @Override
      public void run() {
        depthCounter++;
        if (depthCounter > 1) return;

        PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager);
        treeEvent.setPropertyName(PsiTreeChangeEvent.PROP_ROOTS);
        final VirtualFile[] contentRoots = myProjectRootManager.getContentRoots();
        LOG.assertTrue(myOldContentRoots == null);
        myOldContentRoots = contentRoots;
        treeEvent.setOldValue(contentRoots);
        myManager.beforePropertyChange(treeEvent);
      }
    }
  );
}
项目：consulo    文件：ChangeInfoImpl.java    
void fireEvent(int parentStart, PsiFile file, CompositeElement parent) {
  PsiTreeChangeEventImpl e = createEvent(file, myOffset + parentStart);

  if (myOldChild == myNewChild && myNewChild != null) {
    childrenChanged(e, myNewChild, myOldLength);
  }
  else if (myOldChild != null && myNewChild != null) {
    childReplaced(e, myOldChild, myNewChild, parent);
  }
  else if (myOldChild != null) {
    childRemoved(e, myOldChild, parent);
  }
  else if (myNewChild != null) {
    childAdded(e, myNewChild, parent);
  }
}
项目：consulo    文件：FileManagerImpl.java    
public void forceReload(@Nonnull VirtualFile vFile) {
  LanguageSubstitutors.cancelReparsing(vFile);
  FileViewProvider viewProvider = findCachedViewProvider(vFile);
  if (viewProvider == null) {
    return;
  }
  ApplicationManager.getApplication().assertWriteAccessAllowed();

  VirtualFile dir = vFile.getParent();
  PsiDirectory parentDir = dir == null ? null : getCachedDirectory(dir);
  PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(myManager);
  if (parentDir == null) {
    event.setPropertyName(PsiTreeChangeEvent.PROP_UNLOADED_PSI);

    myManager.beforePropertyChange(event);
    setViewProvider(vFile, null);
    myManager.propertyChanged(event);
  } else {
    event.setParent(parentDir);

    myManager.beforeChildrenChange(event);
    setViewProvider(vFile, null);
    myManager.childrenChanged(event);
  }
}
项目：consulo    文件：FileManagerImpl.java    
void processFileTypesChanged() {
  if (myProcessingFileTypesChange) return;
  myProcessingFileTypesChange = true;
  DebugUtil.performPsiModification(null, () -> {
    try {
      ApplicationManager.getApplication().runWriteAction(() -> {
        PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(myManager);
        event.setPropertyName(PsiTreeChangeEvent.PROP_FILE_TYPES);
        myManager.beforePropertyChange(event);

        invalidateAllPsi();

        myManager.propertyChanged(event);
      });
    }
    finally {
      myProcessingFileTypesChange = false;
    }
  });
}
项目：consulo    文件：PsiVFSListener.java    
@Override
public void fileCreated(@Nonnull VirtualFileEvent event) {
  final VirtualFile vFile = event.getFile();

  ApplicationManager.getApplication().runWriteAction((ExternalChangeAction)() -> {
    VirtualFile parent = vFile.getParent();
    PsiDirectory parentDir = getCachedDirectory(parent);
    if (parentDir == null) {
      // parent directory was never accessed via PSI
      handleVfsChangeWithoutPsi(vFile);
      return;
    }
    PsiFileSystemItem item = vFile.isDirectory() ? myFileManager.findDirectory(vFile) : myFileManager.findFile(vFile);
    if (item != null && item.getProject() == myManager.getProject()) {
      PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager);
      treeEvent.setParent(parentDir);
      myManager.beforeChildAddition(treeEvent);
      treeEvent.setChild(item);
      myManager.childAdded(treeEvent);
    }
  });
}
项目：consulo    文件：PsiVFSListener.java    
@Override
public void beforeFileDeletion(@Nonnull VirtualFileEvent event) {
  final VirtualFile vFile = event.getFile();

  VirtualFile parent = vFile.getParent();
  final PsiDirectory parentDir = getCachedDirectory(parent);
  if (parentDir == null) return; // do not notify listeners if parent directory was never accessed via PSI

  ApplicationManager.getApplication().runWriteAction((ExternalChangeAction)() -> {
    PsiFileSystemItem item = vFile.isDirectory() ? myFileManager.findDirectory(vFile) : myFileManager.getCachedPsiFile(vFile);
    if (item != null) {
      PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager);
      treeEvent.setParent(parentDir);
      treeEvent.setChild(item);
      myManager.beforeChildRemoval(treeEvent);
    }
  });
}
项目：consulo    文件：PsiVFSListener.java    
@Override
public void beforeRootsChange(final ModuleRootEvent event) {
  if (event.isCausedByFileTypesChange()) return;
  ApplicationManager.getApplication().runWriteAction((ExternalChangeAction)() -> {
    depthCounter++;
    if (depthCounter > 1) return;

    PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager);
    treeEvent.setPropertyName(PsiTreeChangeEvent.PROP_ROOTS);
    final VirtualFile[] contentRoots = myProjectRootManager.getContentRoots();
    LOG.assertTrue(myOldContentRoots == null);
    myOldContentRoots = contentRoots;
    treeEvent.setOldValue(contentRoots);
    myManager.beforePropertyChange(treeEvent);
  });
}
项目：intellij-ce-playground    文件：PsiEventsTest.java    
private static String eventText(PsiTreeChangeEvent event, PsiTreeChangeEventImpl.PsiEventType code) {
  PsiElement parent = event.getParent();
  PsiElement oldChild = event.getOldChild();
  if (oldChild == null) oldChild = event.getChild();
  PsiElement newChild = event.getNewChild();
  return code + ":" +
         (parent == null ? null : parent.getNode().getElementType()) + "/" +
         (oldChild == null ? null : oldChild.getNode().getElementType()) + "->" +
         (newChild == null ? null : newChild.getNode().getElementType()) +
         ";";
}
项目：intellij-ce-playground    文件：PsiEventsTest.java    
private void assertBeforeEventFired(PsiTreeChangeEvent afterEvent) {
  PsiTreeChangeEventImpl.PsiEventType code = ((PsiTreeChangeEventImpl)afterEvent).getCode();
  assertFalse(code.name(), code.name().startsWith("BEFORE_"));
  PsiTreeChangeEventImpl.PsiEventType beforeCode = PsiTreeChangeEventImpl.PsiEventType.values()[code.ordinal() - 1];
  assertTrue(beforeCode.name(), beforeCode.name().startsWith("BEFORE_"));
  String beforeText = eventText(afterEvent, beforeCode);
  int i = eventsFired.indexOf(beforeText);
  assertTrue("Event '" + beforeText + "' must be fired. Events so far: " + eventsFired, i >= 0);
}
项目：intellij-ce-playground    文件：DiffLog.java    
@Override
void doActualPsiChange(@NotNull PsiFile file, @NotNull ASTDiffBuilder astDiffBuilder) {
  ASTNode anchor = null;
  ASTNode firstChildNode = myOldParent.getFirstChildNode();
  for (int i = 0; i < myPos; i++) {
    anchor = anchor == null ? firstChildNode : anchor.getTreeNext();
  }

  PsiElement psiParent = myOldParent.getPsi();
  PsiElement psiChild = getPsi(myNewNode, file);
  if (psiParent != null && psiChild != null) {
    PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(file.getManager());
    event.setParent(psiParent);
    event.setChild(psiChild);
    event.setFile(file);
    ((PsiManagerEx)file.getManager()).beforeChildAddition(event);
  }

  ((TreeElement)myNewNode).rawRemove();
  if (anchor != null) {
    ((TreeElement)anchor).rawInsertAfterMe((TreeElement)myNewNode);
  }
  else {
    if (firstChildNode != null) {
      ((TreeElement)firstChildNode).rawInsertBeforeMe((TreeElement)myNewNode);
    }
    else {
      ((CompositeElement)myOldParent).rawAddChildren((TreeElement)myNewNode);
    }
  }

  astDiffBuilder.nodeInserted(myOldParent, myNewNode, myPos);

  ((TreeElement)myNewNode).clearCaches();
  ((CompositeElement)myOldParent).subtreeChanged();

  DebugUtil.checkTreeStructure(myOldParent);
}
项目：intellij-ce-playground    文件：BlockSupportImpl.java    
public static void sendBeforeChildrenChangeEvent(@NotNull PsiManagerImpl manager, @NotNull PsiElement scope, boolean isGenericChange) {
  if (!scope.isPhysical()) {
    manager.beforeChange(false);
    return;
  }
  PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(manager);
  event.setParent(scope);
  event.setFile(scope.getContainingFile());
  TextRange range = scope.getTextRange();
  event.setOffset(range == null ? 0 : range.getStartOffset());
  event.setOldLength(scope.getTextLength());
  // the "generic" event is being sent on every PSI change. It does not carry any specific info except the fact that "something has changed"
  event.setGenericChange(isGenericChange);
  manager.beforeChildrenChange(event);
}
项目：intellij-ce-playground    文件：PsiChangeHandler.java    
@Override
public void childrenChanged(@NotNull PsiTreeChangeEvent event) {
  if (((PsiTreeChangeEventImpl)event).isGenericChange()) {
    return;
  }
  queueElement(event.getParent(), true, event);
}
项目：intellij-ce-playground    文件：PsiVFSListener.java    
private void handleVfsChangeWithoutPsi(@NotNull VirtualFile vFile) {
  if (!myReportedUnloadedPsiChange && isInRootModel(vFile)) {
    PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(myManager);
    myFileManager.firePropertyChangedForUnloadedPsi(event, vFile);
    myReportedUnloadedPsiChange = true;
  }
}
项目：intellij-ce-playground    文件：FileBasedIndexImpl.java    
@Override
public void registerIndexableSet(@NotNull IndexableFileSet set, @Nullable Project project) {
  myIndexableSets.add(set);
  myIndexableSetToProjectMap.put(set, project);
  if (project != null) {
    ((PsiManagerImpl)PsiManager.getInstance(project)).addTreeChangePreprocessor(new PsiTreeChangePreprocessor() {
      @Override
      public void treeChanged(@NotNull PsiTreeChangeEventImpl event) {
        if (event.isGenericChange() &&
            event.getCode() == PsiTreeChangeEventImpl.PsiEventType.CHILDREN_CHANGED) {
          PsiFile file = event.getFile();
          if (file != null) {
            VirtualFile virtualFile = file.getVirtualFile();
            if (!clearUpToDateStateForPsiIndicesOfUnsavedDocuments(virtualFile)) {
              // change in persistent file
              if (virtualFile instanceof VirtualFileWithId) {
                int fileId = ((VirtualFileWithId)virtualFile).getId();
                boolean wasIndexed = false;
                for (ID<?, ?> psiBackedIndex : myPsiDependentIndices) {
                  if (IndexingStamp.isFileIndexedStateCurrent(fileId, psiBackedIndex)) {
                    IndexingStamp.setFileIndexedStateOutdated(fileId, psiBackedIndex);
                    wasIndexed = true;
                  }
                }
                if (wasIndexed) {
                  myChangedFilesCollector.scheduleForUpdate(virtualFile);
                  IndexingStamp.flushCache(fileId);
                }
              }
            }
          }
        }
      }
    });
  }
}
项目：tools-idea    文件：PsiEventsTest.java    
private static String eventText(PsiTreeChangeEvent event, PsiTreeChangeEventImpl.PsiEventType code) {
  PsiElement parent = event.getParent();
  PsiElement oldChild = event.getOldChild();
  if (oldChild == null) oldChild = event.getChild();
  PsiElement newChild = event.getNewChild();
  return code + ":" +
         (parent == null ? null : parent.getNode().getElementType()) + "/" +
         (oldChild == null ? null : oldChild.getNode().getElementType()) + "->" +
         (newChild == null ? null : newChild.getNode().getElementType()) +
         ";";
}
项目：tools-idea    文件：PsiEventsTest.java    
private void assertBeforeEventFired(PsiTreeChangeEvent afterEvent) {
  PsiTreeChangeEventImpl.PsiEventType code = ((PsiTreeChangeEventImpl)afterEvent).getCode();
  assertFalse(code.name(), code.name().startsWith("BEFORE_"));
  PsiTreeChangeEventImpl.PsiEventType beforeCode = PsiTreeChangeEventImpl.PsiEventType.values()[code.ordinal() - 1];
  assertTrue(beforeCode.name(), beforeCode.name().startsWith("BEFORE_"));
  String beforeText = eventText(afterEvent, beforeCode);
  int i = eventsFired.indexOf(beforeText);
  assertTrue("Event '" + beforeText + "' must be fired. Events so far: " + eventsFired, i >= 0);
}
项目：tools-idea    文件：DiffLog.java    
@Override
void doActualPsiChange(@NotNull PsiFile file, @NotNull ASTDiffBuilder astDiffBuilder) {
  ASTNode anchor = null;
  ASTNode firstChildNode = myOldParent.getFirstChildNode();
  for (int i = 0; i < myPos; i++) {
    anchor = anchor == null ? firstChildNode : anchor.getTreeNext();
  }

  PsiElement psiParent = myOldParent.getPsi();
  PsiElement psiChild = getPsi(myNewNode, file);
  if (psiParent != null && psiChild != null) {
    PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(file.getManager());
    event.setParent(psiParent);
    event.setChild(psiChild);
    event.setFile(file);
    ((PsiManagerEx)file.getManager()).beforeChildAddition(event);
  }

  ((TreeElement)myNewNode).rawRemove();
  if (anchor != null) {
    ((TreeElement)anchor).rawInsertAfterMe((TreeElement)myNewNode);
  }
  else {
    if (firstChildNode != null) {
      ((TreeElement)firstChildNode).rawInsertBeforeMe((TreeElement)myNewNode);
    }
    else {
      ((CompositeElement)myOldParent).rawAddChildren((TreeElement)myNewNode);
    }
  }

  astDiffBuilder.nodeInserted(myOldParent, myNewNode, myPos);

  ((TreeElement)myNewNode).clearCaches();
  ((CompositeElement)myOldParent).subtreeChanged();

  DebugUtil.checkTreeStructure(myOldParent);
}
项目：tools-idea    文件：BlockSupportImpl.java    
public static void sendBeforeChildrenChangeEvent(@NotNull PsiManagerImpl manager, @NotNull PsiElement scope, boolean isGenericChange) {
  if(!scope.isPhysical()) {
    manager.beforeChange(false);
    return;
  }
  PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(manager);
  event.setParent(scope);
  event.setFile(scope.getContainingFile());
  event.setOffset(scope.getTextRange().getStartOffset());
  event.setOldLength(scope.getTextLength());
    // the "generic" event is being sent on every PSI change. It does not carry any specific info except the fact that "something has changed"
  event.setGeneric(isGenericChange);
  manager.beforeChildrenChange(event);
}
项目：tools-idea    文件：PsiChangeHandler.java    
@Override
public void childrenChanged(@NotNull PsiTreeChangeEvent event) {
  if (((PsiTreeChangeEventImpl)event).isGenericChildrenChange()) {
    return;
  }
  queueElement(event.getParent(), true, event);
}
项目：consulo    文件：ChangeInfoImpl.java    
@Nonnull
static PsiTreeChangeEventImpl createEvent(PsiFile file, int offset) {
  PsiTreeChangeEventImpl e = new PsiTreeChangeEventImpl(file.getManager());
  e.setFile(file);
  e.setOffset(offset);
  return e;
}
项目：consulo    文件：ChangeInfoImpl.java    
private void childReplaced(PsiTreeChangeEventImpl e, TreeElement oldChild, TreeElement newChild, CompositeElement parent) {
  e.setParent(parent.getPsi());
  e.setOldChild(oldChild.getPsi());
  e.setChild(newChild.getPsi());
  e.setNewChild(newChild.getPsi());
  e.setOldLength(myOldLength);
  getPsiManagerImpl(e).childReplaced(e);
}
项目：consulo    文件：BlockSupportImpl.java    
public static void sendBeforeChildrenChangeEvent(@Nonnull PsiManagerImpl manager, @Nonnull PsiElement scope, boolean isGenericChange) {
  if (!scope.isPhysical()) {
    manager.beforeChange(false);
    return;
  }
  PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(manager);
  event.setParent(scope);
  event.setFile(scope.getContainingFile());
  TextRange range = scope.getTextRange();
  event.setOffset(range == null ? 0 : range.getStartOffset());
  event.setOldLength(scope.getTextLength());
  // the "generic" event is being sent on every PSI change. It does not carry any specific info except the fact that "something has changed"
  event.setGenericChange(isGenericChange);
  manager.beforeChildrenChange(event);
}
项目：consulo    文件：BlockSupportImpl.java    
public static void sendAfterChildrenChangedEvent(@Nonnull PsiManagerImpl manager, @Nonnull PsiFile scope, int oldLength, boolean isGenericChange) {
  if (!scope.isPhysical()) {
    manager.afterChange(false);
    return;
  }
  PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(manager);
  event.setParent(scope);
  event.setFile(scope);
  event.setOffset(0);
  event.setOldLength(oldLength);
  event.setGenericChange(isGenericChange);
  manager.childrenChanged(event);
}
项目：consulo    文件：FileManagerImpl.java    
public void firePropertyChangedForUnloadedPsi() {
  PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(myManager);
  event.setPropertyName(PsiTreeChangeEvent.PROP_UNLOADED_PSI);

  myManager.beforePropertyChange(event);
  myManager.propertyChanged(event);
}
项目：consulo    文件：PsiChangeHandler.java    
@Override
public void childrenChanged(@Nonnull PsiTreeChangeEvent event) {
  if (((PsiTreeChangeEventImpl)event).isGenericChange()) {
    return;
  }
  queueElement(event.getParent(), true, event);
}
项目：consulo    文件：PsiVFSListener.java    
@Override
public void fileDeleted(@Nonnull final VirtualFileEvent event) {
  final VirtualFile vFile = event.getFile();

  VirtualFile parent = event.getParent();
  final PsiDirectory parentDir = getCachedDirectory(parent);

  final PsiFile psiFile = myFileManager.getCachedPsiFileInner(vFile);
  PsiElement element;
  if (psiFile != null) {
    clearViewProvider(vFile, "PSI fileDeleted");
    element = psiFile;
  }
  else {
    final PsiDirectory psiDir = myFileManager.getCachedDirectory(vFile);
    if (psiDir != null) {
      myFileManager.removeInvalidFilesAndDirs(false);
      element = psiDir;
    }
    else if (parent != null) {
      handleVfsChangeWithoutPsi(parent);
      return;
    }
    else {
      element = null;
    }
  }
  if (element != null && parentDir != null) {
    ApplicationManager.getApplication().runWriteAction((ExternalChangeAction)() -> {
      PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager);
      treeEvent.setParent(parentDir);
      treeEvent.setChild(element);
      myManager.childRemoved(treeEvent);
    });
  }
}
项目：consulo    文件：FileBasedIndexImpl.java    
@Override
public void registerIndexableSet(@Nonnull IndexableFileSet set, @Nullable Project project) {
  myIndexableSets.add(set);
  myIndexableSetToProjectMap.put(set, project);
  if (project != null) {
    ((PsiManagerImpl)PsiManager.getInstance(project)).addTreeChangePreprocessor(event -> {
      if (event.isGenericChange() && event.getCode() == PsiTreeChangeEventImpl.PsiEventType.CHILDREN_CHANGED) {
        PsiFile file = event.getFile();

        if (file != null) {
          waitUntilIndicesAreInitialized();
          VirtualFile virtualFile = file.getVirtualFile();

          if (!clearUpToDateStateForPsiIndicesOfUnsavedDocuments(virtualFile)) {
            // change in persistent file
            if (virtualFile instanceof VirtualFileWithId) {
              int fileId = ((VirtualFileWithId)virtualFile).getId();
              boolean wasIndexed = false;
              List<ID<?, ?>> candidates = getAffectedIndexCandidates(virtualFile);
              for (ID<?, ?> psiBackedIndex : myPsiDependentIndices) {
                if (!candidates.contains(psiBackedIndex)) continue;
                if (getInputFilter(psiBackedIndex).acceptInput(project, virtualFile)) {
                  getIndex(psiBackedIndex).resetIndexedStateForFile(fileId);
                  wasIndexed = true;
                }
              }
              if (wasIndexed) {
                myChangedFilesCollector.scheduleForUpdate(virtualFile);
                IndexingStamp.flushCache(fileId);
              }
            }
          }
        }
      }
    });
  }
}
项目：consulo-java    文件：PsiEventsTest.java    
private static String eventText(PsiTreeChangeEvent event, PsiTreeChangeEventImpl.PsiEventType code) {
  PsiElement parent = event.getParent();
  PsiElement oldChild = event.getOldChild();
  if (oldChild == null) oldChild = event.getChild();
  PsiElement newChild = event.getNewChild();
  return code + ":" +
         (parent == null ? null : parent.getNode().getElementType()) + "/" +
         (oldChild == null ? null : oldChild.getNode().getElementType()) + "->" +
         (newChild == null ? null : newChild.getNode().getElementType()) +
         ";";
}
项目：consulo-java    文件：PsiEventsTest.java    
private void assertBeforeEventFired(PsiTreeChangeEvent afterEvent) {
  PsiTreeChangeEventImpl.PsiEventType code = ((PsiTreeChangeEventImpl)afterEvent).getCode();
  assertFalse(code.name(), code.name().startsWith("BEFORE_"));
  PsiTreeChangeEventImpl.PsiEventType beforeCode = PsiTreeChangeEventImpl.PsiEventType.values()[code.ordinal() - 1];
  assertTrue(beforeCode.name(), beforeCode.name().startsWith("BEFORE_"));
  String beforeText = eventText(afterEvent, beforeCode);
  int i = eventsFired.indexOf(beforeText);
  assertTrue("Event '" + beforeText + "' must be fired. Events so far: " + eventsFired, i >= 0);
}
项目：arma-intellij-plugin    文件：TreeChangePreprocessor.java    
@Override
public void treeChanged(@NotNull PsiTreeChangeEventImpl event) {
        if (event.getFile() instanceof HeaderPsiFile) {
            ArmaPluginUserData.getInstance().reparseConfigs(event.getFile());
        }
}
项目：intellij-ce-playground    文件：PsiEventsTest.java    
private void logEvent(PsiTreeChangeEvent event) {
  PsiTreeChangeEventImpl.PsiEventType code = ((PsiTreeChangeEventImpl)event).getCode();
  eventsFired += eventText(event, code);
}
项目：intellij-ce-playground    文件：MockPsiManager.java    
@Override
public void beforeChildRemoval(@NotNull final PsiTreeChangeEventImpl event) {
}
项目：intellij-ce-playground    文件：MockPsiManager.java    
@Override
public void beforeChildReplacement(@NotNull final PsiTreeChangeEventImpl event) {
}
项目：intellij-ce-playground    文件：MockPsiManager.java    
@Override
public void beforeChildAddition(@NotNull PsiTreeChangeEventImpl event) {
}
项目：intellij-ce-playground    文件：PsiVFSListener.java    
@Override
public void fileMoved(@NotNull VirtualFileMoveEvent event) {
  final VirtualFile vFile = event.getFile();

  final PsiDirectory oldParentDir = myFileManager.findDirectory(event.getOldParent());
  final PsiDirectory newParentDir = myFileManager.findDirectory(event.getNewParent());
  if (oldParentDir == null && newParentDir == null) return;

  final PsiElement oldElement = vFile.isDirectory()
                                ? myFileManager.getCachedDirectory(vFile)
                                : myFileManager.getCachedPsiFileInner(vFile);
  myFileManager.removeInvalidFilesAndDirs(true);
  final PsiElement newElement;
  final FileViewProvider newViewProvider;
  if (!vFile.isDirectory()){
    newViewProvider = myFileManager.createFileViewProvider(vFile, true);
    newElement = newViewProvider.getPsi(myFileManager.findViewProvider(vFile).getBaseLanguage());
  }
  else {
    newElement = myFileManager.findDirectory(vFile);
    newViewProvider = null;
  }

  if (oldElement == null && newElement == null) return;

  ApplicationManager.getApplication().runWriteAction(
    new ExternalChangeAction() {
      @Override
      public void run() {
        PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager);
        if (oldElement == null) {
          myFileManager.setViewProvider(vFile, newViewProvider);
          treeEvent.setParent(newParentDir);
          treeEvent.setChild(newElement);
          myManager.childAdded(treeEvent);
        }
        else {
          if (newElement == null) {
            myFileManager.setViewProvider(vFile, null);
            treeEvent.setParent(oldParentDir);
            treeEvent.setChild(oldElement);
            myManager.childRemoved(treeEvent);
          }
          else {
            if (newElement instanceof PsiDirectory || FileManagerImpl.areViewProvidersEquivalent(newViewProvider, ((PsiFile) oldElement).getViewProvider())) {
              treeEvent.setOldParent(oldParentDir);
              treeEvent.setNewParent(newParentDir);
              treeEvent.setChild(oldElement);
              myManager.childMoved(treeEvent);
            }
            else {
              myFileManager.setViewProvider(vFile, newViewProvider);
              PsiTreeChangeEventImpl treeRemoveEvent = new PsiTreeChangeEventImpl(myManager);
              treeRemoveEvent.setParent(oldParentDir);
              treeRemoveEvent.setChild(oldElement);
              myManager.childRemoved(treeRemoveEvent);
              PsiTreeChangeEventImpl treeAddEvent = new PsiTreeChangeEventImpl(myManager);
              treeAddEvent.setParent(newParentDir);
              treeAddEvent.setChild(newElement);
              myManager.childAdded(treeAddEvent);
            }
          }
        }
      }
    }
  );
}