Java LocalHistoryAction类代码示例

import com.intellij.history.LocalHistoryAction; //导入依赖的package包/类
@Override
public void deleteElement(@NotNull DataContext dataContext) {
  List<PsiDirectory> allElements = Arrays.asList(getSelectedDirectories());
  List<PsiElement> validElements = new ArrayList<PsiElement>();
  for (PsiElement psiElement : allElements) {
    if (psiElement != null && psiElement.isValid()) validElements.add(psiElement);
  }
  final PsiElement[] elements = PsiUtilCore.toPsiElementArray(validElements);

  LocalHistoryAction a = LocalHistory.getInstance().startAction(IdeBundle.message("progress.deleting"));
  try {
    DeleteHandler.deletePsiElement(elements, myProject);
  }
  finally {
    a.finish();
  }
}
 

import com.intellij.history.LocalHistoryAction; //导入依赖的package包/类
protected void performRefactoring(@NotNull UsageInfo[] usages) {
  final PsiMigration psiMigration = PsiMigrationManager.getInstance(myProject).startMigration();
  LocalHistoryAction a = LocalHistory.getInstance().startAction(getCommandName());

  try {
    for (int i = 0; i < myMigrationMap.getEntryCount(); i++) {
      MigrationMapEntry entry = myMigrationMap.getEntryAt(i);
      if (entry.getType() == MigrationMapEntry.PACKAGE) {
        MigrationUtil.doPackageMigration(myProject, psiMigration, entry.getNewName(), usages);
      }
      if (entry.getType() == MigrationMapEntry.CLASS) {
        MigrationUtil.doClassMigration(myProject, psiMigration, entry.getNewName(), usages);
      }
    }

    for(RefactoringHelper helper: Extensions.getExtensions(RefactoringHelper.EP_NAME)) {
      Object preparedData = helper.prepareOperation(usages);
      //noinspection unchecked
      helper.performOperation(myProject, preparedData);
    }
  }
  finally {
    a.finish();
    psiMigration.finish();
  }
}
 

import com.intellij.history.LocalHistoryAction; //导入依赖的package包/类
private void doRefactoring() throws IncorrectOperationException {
  LocalHistoryAction a = LocalHistory.getInstance().startAction(getCommandName());
  final PsiClass anInterface;
  try {
    anInterface = extractInterface(myTargetDir, myClass, myInterfaceName, mySelectedMembers, myJavaDocPolicy);
  }
  finally {
    a.finish();
  }

  if (anInterface != null) {
    final SmartPsiElementPointer<PsiClass> classPointer = SmartPointerManager.getInstance(myProject).createSmartPsiElementPointer(myClass);
    final SmartPsiElementPointer<PsiClass> interfacePointer = SmartPointerManager.getInstance(myProject).createSmartPsiElementPointer(anInterface);
    final Runnable turnRefsToSuperRunnable = new Runnable() {
      @Override
      public void run() {
        ExtractClassUtil.askAndTurnRefsToSuper(myProject, classPointer, interfacePointer);
      }
    };
    SwingUtilities.invokeLater(turnRefsToSuperRunnable);
  }
}
 

import com.intellij.history.LocalHistoryAction; //导入依赖的package包/类
protected void performRefactoring(@NotNull UsageInfo[] usages) {
  RangeMarker position = null;
  if (myEditor != null) {
    final int offset = myEditor.getCaretModel().getOffset();
    position = myEditor.getDocument().createRangeMarker(offset, offset + 1);
  }

  LocalHistoryAction a = LocalHistory.getInstance().startAction(getCommandName());
  try {
    doRefactoring(usages);
  }
  finally {
    a.finish();
  }

  if (position != null) {
    if (position.isValid()) {
      myEditor.getCaretModel().moveToOffset(position.getStartOffset());
    }
    position.dispose();
  }
}
 

import com.intellij.history.LocalHistoryAction; //导入依赖的package包/类
private void undoOrRedo(boolean isUndo) {
  LocalHistoryAction action;
  if (myProject != null && isGlobal()) {
    String actionName = CommonBundle.message(isUndo ? "local.vcs.action.name.undo.command" : "local.vcs.action.name.redo.command", myCommandName);
    action = LocalHistory.getInstance().startAction(actionName);
  }
  else {
    action = LocalHistoryAction.NULL;
  }

  try {
    doUndoOrRedo(isUndo);
  }
  finally {
    action.finish();
  }
}
 

import com.intellij.history.LocalHistoryAction; //导入依赖的package包/类
public void testSavingDocumentBeforeAndAfterAction() throws Exception {
  VirtualFile f = createFile("f.txt", "file1");
  loadContent(f);
  setContent(f, "file2");

  setDocumentTextFor(f, "doc1");

  LocalHistoryAction a = LocalHistory.getInstance().startAction("name");
  setDocumentTextFor(f, "doc2");
  a.finish();

  List<Revision> rr = getRevisionsFor(f);
  assertEquals(5, rr.size());
  assertContent("doc2", rr.get(0).findEntry());
  assertEquals("name", rr.get(1).getChangeSetName());
  assertContent("doc1", rr.get(1).findEntry());
  assertContent("file2", rr.get(2).findEntry());
  assertContent("file1", rr.get(3).findEntry());
}
 

import com.intellij.history.LocalHistoryAction; //导入依赖的package包/类
/**
 * <strong>This is very important test.</strong>
 * Almost all actions are performed inside surrounding command.
 * Therefore we have to correctly handle such situations.
 */
public void testActionInsideCommand() throws Exception {
  final VirtualFile f = createFile("f.txt");
  setContent(f, "file");
  setDocumentTextFor(f, "doc1");

  CommandProcessor.getInstance().executeCommand(myProject, new Runnable() {
    @Override
    public void run() {
      LocalHistoryAction a = LocalHistory.getInstance().startAction("action");
      setDocumentTextFor(f, "doc2");
      a.finish();
    }
  }, "command", null);

  List<Revision> rr = getRevisionsFor(f);
  assertEquals(5, rr.size());
  assertContent("doc2", rr.get(0).findEntry());
  assertEquals("command", rr.get(1).getChangeSetName());
  assertContent("doc1", rr.get(1).findEntry());
  assertContent("file", rr.get(2).findEntry());
  assertContent("", rr.get(3).findEntry());
}
 

import com.intellij.history.LocalHistoryAction; //导入依赖的package包/类
@Override
public void deleteElement(@NotNull DataContext dataContext) {
  List<PsiElement> allElements = Arrays.asList(getElementsToDelete());
  List<PsiElement> validElements = new ArrayList<PsiElement>();
  for (PsiElement psiElement : allElements) {
    if (psiElement != null && psiElement.isValid()) validElements.add(psiElement);
  }
  final PsiElement[] elements = PsiUtilCore.toPsiElementArray(validElements);

  LocalHistoryAction a = LocalHistory.getInstance().startAction(IdeBundle.message("progress.deleting"));
  try {
    DeleteHandler.deletePsiElement(elements, myProject);
  }
  finally {
    a.finish();
  }
}
 

import com.intellij.history.LocalHistoryAction; //导入依赖的package包/类
@Override
public void deleteElement(@NotNull DataContext dataContext) {
  List<PsiElement> allElements = Arrays.asList(getSelectedPsiElements());
  ArrayList<PsiElement> validElements = new ArrayList<PsiElement>();
  for (PsiElement psiElement : allElements) {
    if (psiElement != null && psiElement.isValid()) validElements.add(psiElement);
  }
  final PsiElement[] elements = PsiUtilCore.toPsiElementArray(validElements);

  LocalHistoryAction a = LocalHistory.getInstance().startAction(IdeBundle.message("progress.deleting"));
  try {
    DeleteHandler.deletePsiElement(elements, myProject);
  }
  finally {
    a.finish();
  }
}
 

import com.intellij.history.LocalHistoryAction; //导入依赖的package包/类
private void doRefactoring() throws IncorrectOperationException {
  LocalHistoryAction a = LocalHistory.getInstance().startAction(getCommandName());
  final PsiClass anInterface;
  try {
    anInterface = extractInterface(myTargetDir, myClass, myInterfaceName, mySelectedMembers, myJavaDocPolicy);
  }
  finally {
    a.finish();
  }


  if (anInterface != null) {
    final SmartPsiElementPointer<PsiClass> classPointer =
      SmartPointerManager.getInstance(myProject).createSmartPsiElementPointer(myClass);
    final SmartPsiElementPointer<PsiClass> interfacePointer =
      SmartPointerManager.getInstance(myProject).createSmartPsiElementPointer(anInterface);
    final Runnable turnRefsToSuperRunnable = new Runnable() {
      @Override
      public void run() {
        ExtractClassUtil.askAndTurnRefsToSuper(myProject, classPointer, interfacePointer);
      }
    };
    SwingUtilities.invokeLater(turnRefsToSuperRunnable);
  }
}
 

import com.intellij.history.LocalHistoryAction; //导入依赖的package包/类
@NotNull
public MergeState beforeMerge() {
    //record the starting revision number
    GitRevisionNumber start;
    try {
        start = GitRevisionNumber.resolve(project, root, "HEAD");
    } catch (Exception e) {
        //we failed to get a revision number, that shouldn't stop us from updating the branch
        start = null;
    }

    final String beforeLabel = getBeforeLocalHistoryLabel();
    Label before = LocalHistory.getInstance().putSystemLabel(project, beforeLabel);
    LocalHistoryAction myLocalHistoryAction = LocalHistory.getInstance().startAction(beforeLabel);

    //keep track of all updated files
    UpdatedFiles updatedFiles = UpdatedFiles.create();
    return new MergeState(project, root, repoName, localBranchName, remoteBranchName,
            start, before, myLocalHistoryAction, updatedFiles);
}
 

import com.intellij.history.LocalHistoryAction; //导入依赖的package包/类
protected void performRefactoring(UsageInfo[] usages) {
  final PsiMigration psiMigration = PsiMigrationManager.getInstance(myProject).startMigration();
  LocalHistoryAction a = LocalHistory.getInstance().startAction(getCommandName());

  try {
    for (int i = 0; i < myMigrationMap.getEntryCount(); i++) {
      MigrationMapEntry entry = myMigrationMap.getEntryAt(i);
      if (entry.getType() == MigrationMapEntry.PACKAGE) {
        MigrationUtil.doPackageMigration(myProject, psiMigration, entry.getNewName(), usages);
      }
      if (entry.getType() == MigrationMapEntry.CLASS) {
        MigrationUtil.doClassMigration(myProject, psiMigration, entry.getNewName(), usages);
      }
    }

    for(RefactoringHelper helper: Extensions.getExtensions(RefactoringHelper.EP_NAME)) {
      Object preparedData = helper.prepareOperation(usages);
      //noinspection unchecked
      helper.performOperation(myProject, preparedData);
    }
  }
  finally {
    a.finish();
    psiMigration.finish();
  }
}
 

import com.intellij.history.LocalHistoryAction; //导入依赖的package包/类
public void testSavingDocumentBeforeAndAfterAction() throws Exception {
  VirtualFile f = createFile("f.txt", "file1");
  setContent(f, "file2");

  setDocumentTextFor(f, "doc1");
  LocalHistoryAction a = LocalHistory.getInstance().startAction("name");

  setDocumentTextFor(f, "doc2");
  a.finish();

  List<Revision> rr = getRevisionsFor(f);
  assertEquals(5, rr.size());
  assertContent("doc2", rr.get(0).findEntry());
  assertEquals("name", rr.get(1).getChangeSetName());
  assertContent("doc1", rr.get(1).findEntry());
  assertContent("file2", rr.get(2).findEntry());
  assertContent("file1", rr.get(3).findEntry());
}
 

import com.intellij.history.LocalHistoryAction; //导入依赖的package包/类
public void testActionInsideCommand() throws Exception {
  // This is very important test. Mostly all actions are performed
  // inside surrounding command. Therefore we have to correctly
  // handle such situation.
  final VirtualFile f = createFile("f.txt");
  setContent(f, "file");
  setDocumentTextFor(f, "doc1");

  CommandProcessor.getInstance().executeCommand(myProject, new Runnable() {
    @Override
    public void run() {
      LocalHistoryAction a = LocalHistory.getInstance().startAction("action");
      setDocumentTextFor(f, "doc2");
      a.finish();
    }
  }, "command", null);

  List<Revision> rr = getRevisionsFor(f);
  assertEquals(5, rr.size());
  assertContent("doc2", rr.get(0).findEntry());
  assertEquals("command", rr.get(1).getChangeSetName());
  assertContent("doc1", rr.get(1).findEntry());
  assertContent("file", rr.get(2).findEntry());
  assertContent("", rr.get(3).findEntry());
}
 

import com.intellij.history.LocalHistoryAction; //导入依赖的package包/类
@Nullable
private Exception executeCommand(String commandName, ThrowableRunnable<Exception> invokeCreate) {
  final Exception[] exception = new Exception[1];
  CommandProcessor.getInstance().executeCommand(myProject, () -> {
    LocalHistoryAction action = LocalHistory.getInstance().startAction(commandName);
    try {
      invokeCreate.run();
    }
    catch (Exception ex) {
      exception[0] = ex;
    }
    finally {
      action.finish();
    }
  }, commandName, null, UndoConfirmationPolicy.REQUEST_CONFIRMATION);
  return exception[0];
}