/**
   * Provide the initialization of the listeners additions. The Window, Part, and Document Listener
   * are added. Note that sensor shell should be instantiated before this method is called because
   * <code>processActivity()</code> method uses sensor shell instance.
   */
  private void registerListeners() {
    IWorkbench workbench = EclipseSensorPlugin.getInstance().getWorkbench();

    // :RESOLVED: JULY 1, 2003
    // Supports the multiple window for sensor collection.
    IWorkbenchWindow[] activeWindows = workbench.getWorkbenchWindows();

    // Check if window listener is not added yet. Otherwise multi instances are notified.
    if (this.windowListener == null) {
      this.windowListener = new WindowListenerAdapter();
      workbench.addWindowListener(new WindowListenerAdapter());
    }

    for (int i = 0; i < activeWindows.length; i++) {
      IWorkbenchPage activePage = activeWindows[i].getActivePage();
      activePage.addPartListener(new PartListenerAdapter());
      IEditorPart activeEditorPart = activePage.getActiveEditor();

      // Adds this EclipseSensorPlugin instance to IDocumentListener
      // only when activeEditorPart is the instance of ITextEditor
      // so that null case is also ignored.
      if (activeEditorPart instanceof ITextEditor) {
        // Sets activeTextEditor. Otherwise a first activated file would not be recorded.
        this.activeTextEditor = (ITextEditor) activeEditorPart;
        // Gets opened file since the initial opened file is not notified from IPartListener.
        URI fileResource = EclipseSensor.this.getFileResource(this.activeTextEditor);

        Map<String, String> keyValueMap = new HashMap<String, String>();
        keyValueMap.put(EclipseSensorConstants.SUBTYPE, "Open");
        keyValueMap.put(EclipseSensorConstants.UNIT_TYPE, EclipseSensorConstants.FILE);
        keyValueMap.put(
            EclipseSensorConstants.UNIT_NAME, EclipseSensor.this.extractFileName(fileResource));
        this.addDevEvent(
            EclipseSensorConstants.DEVEVENT_EDIT,
            fileResource,
            keyValueMap,
            "Opened " + fileResource.toString());

        IDocumentProvider provider = this.activeTextEditor.getDocumentProvider();
        IDocument document = provider.getDocument(activeEditorPart.getEditorInput());

        // Initially sets active buffer and threshold buffer.
        // Otherwise a first activated buffer would not be recorded.
        this.activeBufferSize = document.getLength();
        this.thresholdBufferSize = document.getLength();
        document.addDocumentListener(new DocumentListenerAdapter());
      }
    }

    // Handles breakpoint set/unset event.
    IBreakpointManager bpManager = DebugPlugin.getDefault().getBreakpointManager();
    bpManager.addBreakpointListener(new BreakPointerSensor(this));

    // Listens to debug event.
    DebugPlugin.getDefault().addDebugEventListener(new DebugSensor(this));

    // Creates instance to handle build error.
    this.buildErrorSensor = new BuildErrorSensor(this);
  }
 /** Start the manager */
 public void start() {
   IWorkbench workbench = PlatformUI.getWorkbench();
   IWorkbenchWindow[] windows = workbench.getWorkbenchWindows();
   for (int i = 0; i < windows.length; i++) {
     instance.windowOpened(windows[i]);
   }
   workbench.addWindowListener(this);
   instance.activewindow = workbench.getActiveWorkbenchWindow();
 }
 /**
  * Adds the new wizards to the current perspective displayed in the workbench's active window, if
  * they've not been added already. Adds listeners on the workbench so that the same is done for
  * any new workbench windows that are created.
  *
  * <p>Note: This method can only be called once the workbench has been started.
  */
 private void maybeAddNewWizardActionsToWorkbench() {
   IWorkbench workbench = Workbench.getInstance();
   if (workbench != null) {
     workbench.addWindowListener(windowListener);
     maybeAddNewWizardActionsToWindow(workbench.getActiveWorkbenchWindow());
   } else {
     // This should never happen; the workbench must be started by the time
     // this code is executed
   }
 }