private Editor createEditorInPanel(String string) {
    EditorFactory editorFactory = EditorFactory.getInstance();
    Editor editor = editorFactory.createEditor(editorFactory.createDocument(string));

    EditorSettings editorSettings = editor.getSettings();
    editorSettings.setVirtualSpace(false);
    editorSettings.setLineMarkerAreaShown(false);
    editorSettings.setIndentGuidesShown(false);
    editorSettings.setLineNumbersShown(false);
    editorSettings.setFoldingOutlineShown(false);
    editorSettings.setAdditionalColumnsCount(3);
    editorSettings.setAdditionalLinesCount(3);

    editor.getDocument().addDocumentListener(new DocumentAdapter() {
        @Override
        public void documentChanged(DocumentEvent e) {
            onTextChanged();
        }
    });

    ((EditorEx) editor).setHighlighter(getEditorHighlighter());

    addEditorToPanel(editor);

    return editor;
}
 

private void init() {
    this.field = new EditorTextField("", project, com.jetbrains.php.lang.PhpFileType.INSTANCE);

    PhpCompletionUtil.installClassCompletion(this.field, null, getDisposable());

    this.field.getDocument().addDocumentListener(new DocumentAdapter() {
        @Override
        public void documentChanged(DocumentEvent e) {
            String text = field.getText();
            if (StringUtil.isEmpty(text) || StringUtil.endsWith(text, "\\")) {
                return;
            }

            addUpdateRequest(250, () -> consumer.consume(field.getText()));
        }
    });

    GridBagConstraints gbConstraints = new GridBagConstraints();
    gbConstraints.fill = 1;
    gbConstraints.weightx = 1.0D;
    gbConstraints.gridx = 1;
    gbConstraints.gridy = 1;

    panel.add(field, gbConstraints);
}
 

public void createManualInputPreviewEditor(final PreviewState previewState) {
	final EditorFactory factory = EditorFactory.getInstance();
	Document doc = factory.createDocument("");
	doc.addDocumentListener(
		new DocumentAdapter() {
			@Override
			public void documentChanged(DocumentEvent e) {
				previewState.manualInputText = e.getDocument().getCharsSequence();
			}
		}
	                       );

	Editor editor = createPreviewEditor(previewState.grammarFile, doc, false);
	setEditorComponent(editor.getComponent()); // do before setting state
	previewState.setInputEditor(editor);

	// Set text last to trigger change events
	ApplicationManager.getApplication().runWriteAction(() -> doc.setText(previewState.manualInputText));
}
 

public void testDocSynchronizerPrefersLineBoundaryChanges() throws Exception {
  String text = "import java.awt.List;\n" +
                "[import java.util.ArrayList;\n]" +
                "import java.util.HashMap;\n" +
                "import java.util.Map;";
  RangeMarker marker = createMarker(text);
  synchronizer.startTransaction(getProject(), document, psiFile);

  String newText = StringUtil.replaceSubstring(document.getText(), TextRange.create(marker), "");
  synchronizer.replaceString(document, 0, document.getTextLength(), newText);

  final List<DocumentEvent> events = new ArrayList<DocumentEvent>();
  document.addDocumentListener(new DocumentAdapter() {
    @Override
    public void documentChanged(DocumentEvent e) {
      events.add(e);
    }
  });
  synchronizer.commitTransaction(document);

  assertEquals(newText, document.getText());
  DocumentEvent event = assertOneElement(events);
  assertEquals("DocumentEventImpl[myOffset=22, myOldLength=28, myNewLength=0, myOldString='import java.util.ArrayList;\n', myNewString=''].", event.toString());
}
 

private void createUIComponents() {
  List<Language> languages = getBaseLanguagesWithProviders();

  Language selected = myInitiallySelectedLanguage;
  if (selected == null) {
    selected = languages.get(0);
  }

  String text = getLanguageBlackList(selected);
  myEditorTextField = createEditor(text, myNewPreselectedItem);
  myEditorTextField.addDocumentListener(new DocumentAdapter() {
    @Override
    public void documentChanged(DocumentEvent e) {
      updateOkEnabled();
    }
  });

  myDoNotShowIfParameterNameContainedInMethodName = new JBCheckBox();
  myShowWhenMultipleParamsWithSameType = new JBCheckBox();

  ParameterNameHintsSettings settings = ParameterNameHintsSettings.getInstance();
  myDoNotShowIfParameterNameContainedInMethodName.setSelected(settings.isDoNotShowIfMethodNameContainsParameterName());
  myShowWhenMultipleParamsWithSameType.setSelected(settings.isShowForParamsWithSameType());

  initLanguageCombo(languages, selected);
}
 

ActionTracker(Editor editor, Disposable parentDisposable) {
  myEditor = editor;
  myProject = editor.getProject();
  ActionManager.getInstance().addAnActionListener(new AnActionListener.Adapter() {
    @Override
    public void beforeActionPerformed(AnAction action, DataContext dataContext, AnActionEvent event) {
      myActionsHappened = true;
    }
  }, parentDisposable);
  myEditor.getDocument().addDocumentListener(new DocumentAdapter() {
    @Override
    public void documentChanged(DocumentEvent e) {
      if (!myIgnoreDocumentChanges) {
        myActionsHappened = true;
      }
    }
  }, parentDisposable);
}
 

public Editor createPreviewEditor(final VirtualFile grammarFile, Document doc, boolean readOnly) {
	LOG.info("createEditor: create new editor for "+grammarFile.getPath()+" "+previewPanel.project.getName());
	final EditorFactory factory = EditorFactory.getInstance();
	doc.addDocumentListener(
		new DocumentAdapter() {
			VirtualFile grammarFileForThisPreviewEditor;

			{
				{ // faux ctor
					this.grammarFileForThisPreviewEditor = grammarFile;
				}
			}

			@Override
			public void documentChanged(DocumentEvent event) {
				previewPanel.updateParseTreeFromDoc(grammarFileForThisPreviewEditor);
			}
		}
	);
	final Editor editor = readOnly
			? factory.createViewer(doc, previewPanel.project)
			: factory.createEditor(doc, previewPanel.project);
	// force right margin
	((EditorMarkupModel) editor.getMarkupModel()).setErrorStripeVisible(true);
	EditorSettings settings = editor.getSettings();
	settings.setWhitespacesShown(true);
	settings.setLineNumbersShown(true);
	settings.setLineMarkerAreaShown(true);
	installListeners(editor);

	return editor;
}
 

@Inject
public FileStatusManagerImpl(Project project, StartupManager startupManager, @SuppressWarnings("UnusedParameters") DirectoryIndex makeSureIndexIsInitializedFirst) {
  myProject = project;

  project.getMessageBus().connect().subscribe(EditorColorsManager.TOPIC, new EditorColorsListener() {
    @Override
    public void globalSchemeChange(EditorColorsScheme scheme) {
      fileStatusesChanged();
    }
  });

  if (project.isDefault()) return;

  startupManager.registerPreStartupActivity(() -> {
    DocumentAdapter documentListener = new DocumentAdapter() {
      @Override
      public void documentChanged(DocumentEvent event) {
        if (event.getOldLength() == 0 && event.getNewLength() == 0) return;
        VirtualFile file = FileDocumentManager.getInstance().getFile(event.getDocument());
        if (file != null) {
          refreshFileStatusFromDocument(file, event.getDocument());
        }
      }
    };

    final EditorFactory factory = EditorFactory.getInstance();
    if (factory != null) {
      factory.getEventMulticaster().addDocumentListener(documentListener, myProject);
    }
  });
  startupManager.registerPostStartupActivity(new DumbAwareRunnable() {
    @Override
    public void run() {
      fileStatusesChanged();
    }
  });
}
 

public void init(final LocalChangeList initial) {
  myMakeActiveCheckBox.setSelected(VcsConfiguration.getInstance(myProject).MAKE_NEW_CHANGELIST_ACTIVE);
  for (EditChangelistSupport support : Extensions.getExtensions(EditChangelistSupport.EP_NAME, myProject)) {
    support.installSearch(myNameTextField, myDescriptionTextArea);
    myConsumer = support.addControls(myAdditionalControlsPanel, initial);
  }
  myNameTextField.getDocument().addDocumentListener(new DocumentAdapter() {
    @Override
    public void documentChanged(DocumentEvent event) {
      nameChangedImpl(myProject, initial);
    }
  });
  nameChangedImpl(myProject, initial);
}
 

public void trackStatistics(InsertionContext context) {
  if (ourPendingUpdate != this) {
    return;
  }

  if (!context.getOffsetMap().containsOffset(CompletionInitializationContext.START_OFFSET)) {
    return;
  }

  final Document document = context.getDocument();
  int startOffset = context.getStartOffset();
  int tailOffset = context.getEditor().getCaretModel().getOffset();
  if (startOffset < 0 || tailOffset <= startOffset) {
    return;
  }

  final RangeMarker marker = document.createRangeMarker(startOffset, tailOffset);
  final DocumentAdapter listener = new DocumentAdapter() {
    @Override
    public void beforeDocumentChange(DocumentEvent e) {
      if (!marker.isValid() || e.getOffset() > marker.getStartOffset() && e.getOffset() < marker.getEndOffset()) {
        cancelLastCompletionStatisticsUpdate();
      }
    }
  };

  ourStatsAlarm.addRequest(() -> {
    if (ourPendingUpdate == this) {
      applyLastCompletionStatisticsUpdate();
    }
  }, 20 * 1000);

  document.addDocumentListener(listener);
  Disposer.register(this, () -> {
    document.removeDocumentListener(listener);
    marker.dispose();
    ourStatsAlarm.cancelAllRequests();
  });
}
 

public MindMapDocumentEditor(
    final Project project,
    final VirtualFile file
) {
  this.project = project;
  this.file = file;

  this.panelController = new MindMapPanelControllerImpl(this);

  this.mindMapPanel = new MindMapPanel(panelController);
  this.mindMapPanel.putTmpObject("project", project);
  this.mindMapPanel.putTmpObject("editor", this);

  this.mindMapPanel.addMindMapListener(this);
  this.mainScrollPane = new JScrollPane(this.mindMapPanel, JBScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JBScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); // NB! JBScrollPane sometime doesn't show scrollbars so that it replaced by swing panel

  this.mainScrollPane.getVerticalScrollBar().setUnitIncrement(16);
  this.mainScrollPane.getVerticalScrollBar().setBlockIncrement(128);
  this.mainScrollPane.getHorizontalScrollBar().setUnitIncrement(16);
  this.mainScrollPane.getHorizontalScrollBar().setBlockIncrement(128);

  this.mainScrollPane.setWheelScrollingEnabled(true);
  this.mainScrollPane.setAutoscrolls(true);

  final Document document = FileDocumentManager.getInstance().getDocument(this.file);

  this.documents = new Document[] {document};

  this.mindMapPanel.setDropTarget(new DropTarget(this.mindMapPanel, this));

  loadMindMapFromDocument();

  this.undoHelper = new UndoHelper(this.project, this);
  this.undoHelper.addWatchedDocument(getDocument());

  this.documentListener = new DocumentAdapter() {
    @Override
    public void documentChanged(DocumentEvent e) {
      loadMindMapFromDocument();
    }
  };
  this.getDocument().addDocumentListener(this.documentListener);

  DataManager.registerDataProvider(this.mainScrollPane, this);

  this.findTextPanel = new FindTextPanel(this);

  this.mainScrollPane.setColumnHeaderView(this.findTextPanel);

  this.mainScrollPane.getHorizontalScrollBar().addAdjustmentListener(this);
  this.mainScrollPane.getVerticalScrollBar().addAdjustmentListener(this);

  this.mainPanel = new JBPanel(new BorderLayout());
  this.mainPanel.add(this.mainScrollPane, BorderLayout.CENTER);
  this.mainPanel.add(this.findTextPanel, BorderLayout.NORTH);
}
 

public ChangelistConflictTracker(@Nonnull Project project,
                                 @Nonnull ChangeListManager changeListManager,
                                 @Nonnull FileStatusManager fileStatusManager,
                                 @Nonnull EditorNotifications editorNotifications) {
  myProject = project;

  myChangeListManager = changeListManager;
  myEditorNotifications = editorNotifications;
  myDocumentManager = FileDocumentManager.getInstance();
  myFileStatusManager = fileStatusManager;
  myCheckSetLock = new Object();
  myCheckSet = new HashSet<>();

  final Application application = ApplicationManager.getApplication();
  final ZipperUpdater zipperUpdater = new ZipperUpdater(300, Alarm.ThreadToUse.SWING_THREAD, project);
  final Runnable runnable = () -> {
    if (application.isDisposed() || myProject.isDisposed() || !myProject.isOpen()) {
      return;
    }
    final Set<VirtualFile> localSet;
    synchronized (myCheckSetLock) {
      localSet = new HashSet<>();
      localSet.addAll(myCheckSet);
      myCheckSet.clear();
    }
    checkFiles(localSet);
  };
  myDocumentListener = new DocumentAdapter() {
    @Override
    public void documentChanged(DocumentEvent e) {
      if (!myOptions.TRACKING_ENABLED) {
        return;
      }
      Document document = e.getDocument();
      VirtualFile file = myDocumentManager.getFile(document);
      if (ProjectUtil.guessProjectForFile(file) == myProject) {
        synchronized (myCheckSetLock) {
          myCheckSet.add(file);
        }
        zipperUpdater.queue(runnable);
      }
    }
  };

  myChangeListListener = new ChangeListAdapter() {
    @Override
    public void changeListChanged(ChangeList list) {
      if (myChangeListManager.isDefaultChangeList(list)) {
        clearChanges(list.getChanges());
      }
    }

    @Override
    public void changesMoved(Collection<Change> changes, ChangeList fromList, ChangeList toList) {
      if (myChangeListManager.isDefaultChangeList(toList)) {
        clearChanges(changes);
      }
    }

    @Override
    public void changesRemoved(Collection<Change> changes, ChangeList fromList) {
      clearChanges(changes);
    }

    @Override
    public void defaultListChanged(ChangeList oldDefaultList, ChangeList newDefaultList) {
      clearChanges(newDefaultList.getChanges());
    }
  };
}
 

@Inject
public CopyrightManager(@Nonnull Project project,
                        @Nonnull final EditorFactory editorFactory,
                        @Nonnull final Application application,
                        @Nonnull final FileDocumentManager fileDocumentManager,
                        @Nonnull final ProjectRootManager projectRootManager,
                        @Nonnull final PsiManager psiManager,
                        @Nonnull StartupManager startupManager) {
  myProject = project;
  if (myProject.isDefault()) {
    return;
  }

  final NewFileTracker newFileTracker = NewFileTracker.getInstance();
  Disposer.register(myProject, newFileTracker::clear);
  startupManager.runWhenProjectIsInitialized(new Runnable() {
    @Override
    public void run() {
      DocumentListener listener = new DocumentAdapter() {
        @Override
        public void documentChanged(DocumentEvent e) {
          final Document document = e.getDocument();
          final VirtualFile virtualFile = fileDocumentManager.getFile(document);
          if (virtualFile == null) return;
          if (!newFileTracker.poll(virtualFile)) return;
          if (!CopyrightUpdaters.hasExtension(virtualFile)) return;
          final Module module = projectRootManager.getFileIndex().getModuleForFile(virtualFile);
          if (module == null) return;
          final PsiFile file = psiManager.findFile(virtualFile);
          if (file == null) return;
          application.invokeLater(new Runnable() {
            @Override
            public void run() {
              if (myProject.isDisposed()) return;
              if (file.isValid() && file.isWritable()) {
                final CopyrightProfile opts = getCopyrightOptions(file);
                if (opts != null) {
                  new UpdateCopyrightProcessor(myProject, module, file).run();
                }
              }
            }
          }, ModalityState.NON_MODAL, myProject.getDisposed());
        }
      };
      editorFactory.getEventMulticaster().addDocumentListener(listener, myProject);
    }
  });
}
 

/**
 * Begins the in-place refactoring operation.
 *
 * @return true if the in-place refactoring was successfully started, false if it failed to start and a dialog should be shown instead.
 */
public boolean startInplaceIntroduceTemplate() {
  final boolean replaceAllOccurrences = isReplaceAllOccurrences();
  final Ref<Boolean> result = new Ref<Boolean>();
  CommandProcessor.getInstance().executeCommand(myProject, new Runnable() {
    @Override
    public void run() {
      final String[] names = suggestNames(replaceAllOccurrences, getLocalVariable());
      final V variable = createFieldToStartTemplateOn(replaceAllOccurrences, names);
      boolean started = false;
      if (variable != null) {
        int caretOffset = getCaretOffset();
        myEditor.getCaretModel().moveToOffset(caretOffset);
        myEditor.getScrollingModel().scrollToCaret(ScrollType.MAKE_VISIBLE);

        final LinkedHashSet<String> nameSuggestions = new LinkedHashSet<String>();
        nameSuggestions.add(variable.getName());
        nameSuggestions.addAll(Arrays.asList(names));
        initOccurrencesMarkers();
        setElementToRename(variable);
        updateTitle(getVariable());
        started = AbstractInplaceIntroducer.super.performInplaceRefactoring(nameSuggestions);
        if (started) {
          myDocumentAdapter = new DocumentAdapter() {
            @Override
            public void documentChanged(DocumentEvent e) {
              if (myPreview == null) return;
              final TemplateState templateState = TemplateManagerImpl.getTemplateState(myEditor);
              if (templateState != null) {
                final TextResult value = templateState.getVariableValue(InplaceRefactoring.PRIMARY_VARIABLE_NAME);
                if (value != null) {
                  updateTitle(getVariable(), value.getText());
                }
              }
            }
          };
          myEditor.getDocument().addDocumentListener(myDocumentAdapter);
          updateTitle(getVariable());
          if (TemplateManagerImpl.getTemplateState(myEditor) != null) {
            myEditor.putUserData(ACTIVE_INTRODUCE, AbstractInplaceIntroducer.this);
          }
        }
      }
      result.set(started);
      if (!started) {
        finish(true);
      }
    }

  }, getCommandName(), getCommandName());
  return result.get();
}