protected void addHeader() {
    GridLayout header = new GridLayout(3, 2);
    header.setWidth(100, UNITS_PERCENTAGE);
    header.addStyleName(ExplorerLayout.STYLE_TITLE_BLOCK);
    header.setSpacing(true);
    header.setMargin(false, false, true, false);

    // Add image
    Embedded image = new Embedded(null, Images.PROCESS_50);
    header.addComponent(image, 0, 0, 0, 1);

    // Add task name
    Label nameLabel = new Label(getProcessDisplayName(processDefinition, processInstance));
    nameLabel.addStyleName(Reindeer.LABEL_H2);
    header.addComponent(nameLabel, 1, 0, 2, 0);

    // Add start time
    PrettyTimeLabel startTimeLabel =
        new PrettyTimeLabel(
            i18nManager.getMessage(Messages.PROCESS_START_TIME),
            historicProcessInstance.getStartTime(),
            null,
            true);
    startTimeLabel.addStyleName(ExplorerLayout.STYLE_PROCESS_HEADER_START_TIME);
    header.addComponent(startTimeLabel, 1, 1);

    header.setColumnExpandRatio(1, 1.0f);
    header.setColumnExpandRatio(2, 1.0f);

    panelLayout.addComponent(header);
  }
  protected void addDeploymentName() {

    GridLayout taskDetails = new GridLayout(3, 2);
    taskDetails.setWidth(100, UNITS_PERCENTAGE);
    taskDetails.addStyleName(ExplorerLayout.STYLE_TITLE_BLOCK);
    taskDetails.setSpacing(true);
    taskDetails.setMargin(false, false, true, false);

    // Add image
    Embedded image = new Embedded(null, Images.DEPLOYMENT_50);
    taskDetails.addComponent(image, 0, 0, 0, 1);

    // Add deployment name
    Label nameLabel = new Label();
    if (deployment.getName() != null) {
      nameLabel.setValue(deployment.getName());
    } else {
      nameLabel.setValue(i18nManager.getMessage(Messages.DEPLOYMENT_NO_NAME));
    }
    nameLabel.addStyleName(Reindeer.LABEL_H2);
    taskDetails.addComponent(nameLabel, 1, 0, 2, 0);

    // Add deploy time
    PrettyTimeLabel deployTimeLabel =
        new PrettyTimeLabel(
            i18nManager.getMessage(Messages.DEPLOYMENT_DEPLOY_TIME),
            deployment.getDeploymentTime(),
            null,
            true);
    deployTimeLabel.addStyleName(ExplorerLayout.STYLE_DEPLOYMENT_HEADER_DEPLOY_TIME);
    taskDetails.addComponent(deployTimeLabel, 1, 1);

    taskDetails.setColumnExpandRatio(1, 1.0f);
    taskDetails.setColumnExpandRatio(2, 1.0f);

    addDetailComponent(taskDetails);
  }