예제 #1
0
  @Override
  public void addCommand(FilterInteraction interaction, IUserCommand command) {

    if (interaction == FilterInteraction.UPDATE) {
      interactionMap.put(interaction, command);
      data.stream().forEach(this::notifyUpdateCommand);
    } else {
      interactionMap.put(interaction, command);
    }
  }
예제 #2
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        @Override
        public void handle(ActionEvent event) {
          if (event.getSource() instanceof CheckBox) {
            for (Entry<String, CheckBox> entry : propertiesCb.entrySet()) {
              CheckBox cb = entry.getValue();
              String propertyName = entry.getKey();

              if (cb.isSelected()) {
                propertiesTf.get(propertyName).setDisable(false);
              } else {
                propertiesTf.get(propertyName).setDisable(true);
              }
            }
          }
        }
예제 #3
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  /**
   * Sets up the remove button, which is used to remove filters from the table view and the graph.
   *
   * @param tableView The table view needed to get the currently selected filter.
   * @return The fully configured remove button.
   */
  private Button setRemoveButton(TableView tableView) {
    final Button removeButton = new ImageButton("remove.png");
    removeButton.setOnAction(
        actionEvent -> {
          final FilterInput filterInput =
              (FilterInput) tableView.getSelectionModel().getSelectedItem();
          if (!data.isEmpty() && filterInput != null) {

            // Update model
            final IUserCommand updateGraphFilterCommand =
                interactionMap.get(FilterInteraction.REMOVE);

            if (updateGraphFilterCommand != null) {

              filterInput.setDeleted();
              updateGraphFilterCommand.setSelection(filterInput);
              notifyListeners(updateGraphFilterCommand);
              logger.debug(
                  "Removed FilterInput: "
                      + filterInput.getName()
                      + " from table view and database.");
            } else {
              logger.warn("no remove command mapped");
            }
          }
        });
    removeButton.setScaleX(0.5);
    removeButton.setScaleY(0.5);
    return removeButton;
  }
예제 #4
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  public void newFile() {
    infoTa.setText("");
    selectProviderCb.setValue(providers.get(0).getName());
    weightTf.setText("0.0");

    for (Entry<String, TextField> entry : propertiesTf.entrySet()) {
      String propertyName = entry.getKey();
      TextField tf = entry.getValue();
      CheckBox cb = propertiesCb.get(propertyName);

      tf.setText("0.0");
      tf.setDisable(true);
      cb.setSelected(false);
    }

    file = null;
    mainStage.setTitle("unknown");
  }
예제 #5
0
  public void notifyUpdateCommand(FilterInput filterInput) {

    final IUserCommand command = interactionMap.get(FilterInteraction.UPDATE);

    if (command != null) {
      logger.debug("update command of filterinput");
      command.setSelection(filterInput);
      notifyListeners(command);
    }
  }
예제 #6
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  /** Set the Labels */
  protected void setLabels() {
    mLabels = new HashMap<String, Label>();
    mValues = new HashMap<String, Label>();

    for (String name : mLabelNames) {
      Label newLabel1 = new Label(name);
      Label newLabel2 = new Label();
      newLabel1.setFont(new Font("Arial", 20));
      newLabel2.setFont(new Font("Arial", 20));
      mLabels.put(name, newLabel1);
      mValues.put(name, newLabel2);
    }

    Label upgradeLabel = new Label(mUpgradeName);
    upgradeLabel.setFont(new Font("Arial", 25));
    upgradeLabel.setWrapText(true);
    mLabels.put(mUpgradeName, upgradeLabel);

    update();
  }
예제 #7
0
  public void open(File f) {
    Properties open = new Properties();
    InputStream input = null;

    try {
      input = new FileInputStream(f);
      open.load(input);

      selectProviderCb.setValue(open.getProperty("provider"));
      selectGrainCb.setValue(open.getProperty("grain"));
      weightTf.setText(open.getProperty("weight"));
      infoTa.setText(open.getProperty("info"));

      for (Entry<String, TextField> entry : propertiesTf.entrySet()) {
        String propertyName = entry.getKey();
        TextField tf = entry.getValue();
        CheckBox cb = propertiesCb.get(propertyName);

        tf.setText(open.getProperty(propertyName));
        if (open.getProperty(propertyName + "_ENABLED").equals("ON")) {
          tf.setDisable(false);
          cb.setSelected(true);
        } else {
          tf.setDisable(true);
          cb.setSelected(false);
        }
      }

      mainStage.setTitle(f.getName());
    } catch (Exception ex) {
      infoTa.setText("Не могу открыть файл");
    } finally {
      if (input != null) {
        try {
          input.close();
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
    }
  }
예제 #8
0
  public void save(File f) {
    Properties save = new Properties();
    OutputStream output = null;

    try {
      save.setProperty("provider", selectProviderCb.getValue());
      save.setProperty("grain", selectGrainCb.getValue());
      save.setProperty("weight", weightTf.getText());
      save.setProperty("info", infoTa.getText());

      for (Entry<String, TextField> entry : propertiesTf.entrySet()) {
        TextField tf = entry.getValue();
        String propertyName = entry.getKey();

        save.setProperty(propertyName, tf.getText());
        if (tf.isDisable()) {
          save.setProperty(propertyName + "_ENABLED", "OFF");
        } else {
          save.setProperty(propertyName + "_ENABLED", "ON");
        }
      }

      output = new FileOutputStream(f);
      save.store(output, null);
      mainStage.setTitle(f.getName());
    } catch (Exception ex) {
      infoTa.setText("Не могу сохранить в файл");
    } finally {
      if (output != null) {
        try {
          output.close();
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
    }
  }
예제 #9
0
 /** Updater */
 protected void update() {
   mValues
       .get("Plants in Operation")
       .setText("" + mModel.getEnergyManager().getFossil().getAmount());
   mValues
       .get("Supply Provided")
       .setText(String.format(FORMAT, mModel.getEnergyManager().getFossil().getPower()));
   mValues
       .get("Cost")
       .setText(String.format(FORMAT, mModel.getEnergyManager().getFossil().getCostBuild()));
   mValues
       .get("Public Approval")
       .setText(String.format(FORMAT, mModel.getEnergyManager().getFossil().getApproval()));
   mValues
       .get("Emissions")
       .setText(String.format(FORMAT, mModel.getEnergyManager().getFossil().getEmissions()));
   mValues
       .get("Security")
       .setText(String.format(FORMAT, mModel.getEnergyManager().getFossil().getSecurity()));
   mValues
       .get("Profit")
       .setText(String.format(FORMAT, mModel.getEnergyManager().getFossil().getProfit()));
 }
예제 #10
0
  public void HandlerCalcPriceButton(ActionEvent event) {
    try {
      grain = getGrain(selectGrainCb.getValue());
      System.out.println("> " + grain.getName());

      try {
        grain.setWeight(Double.parseDouble(weightTf.getText()));
      } catch (NumberFormatException e) {
        weightTf.requestFocus();
        throw new NumberFormatException("Вес партии зерна");
      }

      for (Entry<String, TextField> entry : propertiesTf.entrySet()) {
        TextField tf = entry.getValue();
        String propertyName = entry.getKey();
        System.out.println("\t> " + propertyName);

        if (!tf.isDisable()) {
          try {
            grain.getProperty(propertyName).setValue(Double.parseDouble(tf.getText()));

          } catch (NumberFormatException e) {
            tf.requestFocus();
            throw new NumberFormatException(grain.getProperty(propertyName).getDescription());
          }

          grain.getProperty(propertyName).setEnabled(true);

        } else {
          grain.getProperty(propertyName).setEnabled(false);
        }
      }

      System.out.println("> before calculator");

      PriceCalculator calculator = new PriceCalculator(grain, dao);
      calculator.calculatePrice();
      infoTa.setText(calculator.toString());

      Supply supply = new Supply();
      supply.setProvider(selectProviderCb.getValue());
      supply.setDate(new Date(Calendar.getInstance().getTimeInMillis()));
      //            supply.setGrain(grain.getName());
      supply.setGrain(grain.getDescription());
      supply.setWeight(grain.getWeight());
      supply.setPrice(calculator.getPrice());

      dao.saveSupply(supply);

    } catch (RestrictiveConditionException e) {
      Utils.showErrorDialog("Ограшичительные кондиции!", e);
      infoTa.clear();
    } catch (DataBaseException e) {
      Utils.showErrorDialog("Обшибка базы данных!", e);
      infoTa.clear();
    } catch (NumberFormatException e) {
      Utils.showErrorDialog("Неверный ввод!", e);
      infoTa.clear();
    } catch (Exception ex) {
      Utils.showErrorDialog("Ошибка!", ex);
      infoTa.clear();
    }
  }
예제 #11
0
  public void initProperties(Grain g) {
    int currentGridRow = FIRST_PROPERTY_ROW;

    propertiesGp.getChildren().remove(FIRST_PROPERTY_ROW + 1, propertiesGp.getChildren().size());
    propertiesCb.clear();
    propertiesTf.clear();

    for (Entry<String, Property> entry : g.getProperties().entrySet()) {
      Property property = entry.getValue();
      String propertyName = entry.getKey();

      propertiesCb.put(propertyName, new CheckBox(property.getDescription()));
      propertiesCb.get(propertyName).setOnAction(eh);
      GridPane.setConstraints(propertiesCb.get(propertyName), 0, currentGridRow);
      propertiesGp.getChildren().add(propertiesCb.get(propertyName));

      propertiesTf.put(propertyName, new TextField(Double.toString(property.getValue())));
      GridPane.setConstraints(propertiesTf.get(propertyName), 1, currentGridRow);
      propertiesGp.getChildren().add(propertiesTf.get(propertyName));

      if (property.isEnabled()) {
        propertiesCb.get(propertyName).setSelected(true);
      } else {
        propertiesTf.get(propertyName).setDisable(true);
      }

      currentGridRow++;
    }
  }
예제 #12
0
  /** Setup of the Pane */
  protected void setup() {
    setLabels();
    add(getTitleLabel(), 0, 0, 7, 1);
    add(mApply, 0, 3, 7, 1);
    add(mFossilUpgrades, 1, 12, 1, 1);
    add(mUp, 5, 1, 1, 1);
    add(mDown, 5, 2, 1, 1);

    add(mLabels.get("Plants in Operation"), 1, 1, 4, 2);
    add(mLabels.get("Supply Provided"), 1, 4, 3, 1);
    add(mLabels.get("Cost"), 1, 5, 3, 1);
    add(mLabels.get("Public Approval"), 1, 6, 3, 1);
    add(mLabels.get("Emissions"), 1, 8, 3, 1);
    add(mLabels.get("Security"), 1, 9, 3, 1);
    add(mLabels.get("Profit"), 1, 10, 3, 1);
    add(mLabels.get(mUpgradeName), 3, 12, 3, 1);

    add(mValues.get("Plants in Operation"), 4, 1, 1, 2);
    add(mValues.get("Supply Provided"), 5, 4, 1, 1);
    add(mValues.get("Cost"), 5, 5, 1, 1);
    add(mValues.get("Public Approval"), 5, 6, 1, 1);
    add(mValues.get("Emissions"), 5, 8, 1, 1);
    add(mValues.get("Security"), 5, 9, 1, 1);
    add(mValues.get("Profit"), 5, 10, 1, 1);
  }
예제 #13
0
  public void addTab(Path path, Runnable... runnables) {

    ObservableList<String> recentFiles = controller.getRecentFilesList();
    if (Files.notExists(path)) {
      recentFiles.remove(path.toString());
      return;
    }

    ObservableList<Tab> tabs = controller.getTabPane().getTabs();
    for (Tab tab : tabs) {
      MyTab myTab = (MyTab) tab;
      Path currentPath = myTab.getPath();
      if (Objects.nonNull(currentPath))
        if (currentPath.equals(path)) {
          myTab.select(); // Select already added tab
          return;
        }
    }

    AnchorPane anchorPane = new AnchorPane();
    EditorPane editorPane = webviewService.createWebView();

    MyTab tab = createTab();
    tab.setEditorPane(editorPane);
    tab.setTabText(path.getFileName().toString());

    editorPane.confirmHandler(
        param -> {
          if ("command:ready".equals(param)) {
            JSObject window = editorPane.getWindow();
            window.setMember("afx", controller);
            window.call("updateOptions", new Object[] {});
            Map<String, String> shortCuts = controller.getShortCuts();
            Set<String> keySet = shortCuts.keySet();
            for (String key : keySet) {
              window.call("addNewCommand", new Object[] {key, shortCuts.get(key)});
            }
            if (Objects.isNull(path)) return true;
            threadService.runTaskLater(
                () -> {
                  String content = IOHelper.readFile(path);
                  threadService.runActionLater(
                      () -> {
                        window.call("changeEditorMode", path.toUri().toString());
                        window.call("setInitialized");
                        window.call("setEditorValue", new Object[] {content});
                        for (Runnable runnable : runnables) {
                          runnable.run();
                        }
                      });
                });
          }
          return false;
        });

    threadService.runActionLater(
        () -> {
          TabPane tabPane = controller.getTabPane();
          tabPane.getTabs().add(tab);
          tab.select();
        });

    Node editorVBox = editorService.createEditorVBox(editorPane, tab);
    controller.fitToParent(editorVBox);

    anchorPane.getChildren().add(editorVBox);
    tab.setContent(anchorPane);
    tab.setPath(path);

    Tooltip tip = new Tooltip(path.toString());
    Tooltip.install(tab.getGraphic(), tip);

    recentFiles.remove(path.toString());
    recentFiles.add(0, path.toString());

    editorPane.focus();
  }
  private void updateStatisticsData(List<TaskWithWorklogs> displayResult) {

    if (!SettingsUtil.loadSettings().isShowStatistics()) {
      return;
    }

    statisticsView.getChildren().clear();

    WorklogStatistics statistics = new WorklogStatistics();

    // generic statistics
    displayResult.forEach(
        taskWithWorklogs -> {
          statistics.getTotalTimeSpent().addAndGet(taskWithWorklogs.getTotalInMinutes());

          for (WorklogItem worklogItem : taskWithWorklogs.getWorklogItemList()) {
            String employee = worklogItem.getUserDisplayname();

            // employee total time spent
            AtomicLong totalTimeSpent = statistics.getEmployeeToTotaltimeSpent().get(employee);
            if (totalTimeSpent == null) {
              totalTimeSpent = new AtomicLong(0);
              statistics.getEmployeeToTotaltimeSpent().put(employee, totalTimeSpent);
            }
            totalTimeSpent.addAndGet(worklogItem.getDurationInMinutes());

            // distinct tasks per employee
            Set<String> totalDistinctTasks =
                statistics.getEmployeeToTotalDistinctTasks().get(employee);
            if (totalDistinctTasks == null) {
              totalDistinctTasks = new HashSet<>();
              statistics.getEmployeeToTotalDistinctTasks().put(employee, totalDistinctTasks);
            }
            totalDistinctTasks.add(taskWithWorklogs.getIssue());

            // distinct tasks per employee per project
            Map<String, Set<String>> projectToDistinctTasks =
                statistics.getEmployeeToProjectToDistinctTasks().get(employee);
            if (projectToDistinctTasks == null) {
              projectToDistinctTasks = new HashMap<>();
              statistics
                  .getEmployeeToProjectToDistinctTasks()
                  .put(employee, projectToDistinctTasks);
            }

            Set<String> distinctTasks = projectToDistinctTasks.get(taskWithWorklogs.getProject());
            if (distinctTasks == null) {
              distinctTasks = new HashSet<>();
              projectToDistinctTasks.put(taskWithWorklogs.getProject(), distinctTasks);
            }

            distinctTasks.add(taskWithWorklogs.getIssue());

            // time spent per project
            Map<String, AtomicLong> projectToTimespent =
                statistics.getEmployeeToProjectToWorktime().get(employee);
            if (projectToTimespent == null) {
              projectToTimespent = new HashMap<>();
              statistics.getEmployeeToProjectToWorktime().put(employee, projectToTimespent);
            }

            AtomicLong timespentOnProject = projectToTimespent.get(taskWithWorklogs.getProject());
            if (timespentOnProject == null) {
              timespentOnProject = new AtomicLong(0);
              projectToTimespent.put(taskWithWorklogs.getProject(), timespentOnProject);
            }

            timespentOnProject.addAndGet(worklogItem.getDurationInMinutes());
          }
        });

    // render grid and bar graph
    final AtomicInteger currentGridRow = new AtomicInteger(0);

    GridPane employeeProjectSummaryGrid = new GridPane();
    employeeProjectSummaryGrid.setHgap(5);
    employeeProjectSummaryGrid.setVgap(5);

    NumberAxis projectEmployeeXAxis = new NumberAxis();
    projectEmployeeXAxis.setLabel(FormattingUtil.getFormatted("view.statistics.timespentinhours"));
    projectEmployeeXAxis.setTickLabelRotation(90);

    NumberAxis employeeProjectXAxis = new NumberAxis();
    employeeProjectXAxis.setLabel(FormattingUtil.getFormatted("view.statistics.timespentinhours"));
    employeeProjectXAxis.setTickLabelRotation(90);

    CategoryAxis projectEmployeeYAxis = new CategoryAxis();
    CategoryAxis employeeProjectYAxis = new CategoryAxis();

    StackedBarChart<Number, String> projectEmployeeBargraph =
        new StackedBarChart<>(projectEmployeeXAxis, projectEmployeeYAxis);
    StackedBarChart<Number, String> employeeProjectBargraph =
        new StackedBarChart<>(employeeProjectXAxis, employeeProjectYAxis);

    projectEmployeeBargraph.setTitle(
        FormattingUtil.getFormatted("view.statistics.byprojectandemployee"));
    employeeProjectBargraph.setTitle(
        FormattingUtil.getFormatted("view.statistics.byemployeeandproject"));

    Set<String> projectsToDisplay = new HashSet<>();
    displayResult.forEach(
        taskWithWorklogs -> {
          projectsToDisplay.add(taskWithWorklogs.getProject());
        });
    int projectEmployeeBargraphPreferedHeight =
        HEIGHT_PER_Y_AXIS_ELEMENT * projectsToDisplay.size()
            + HEIGHT_PER_X_AXIS_ELEMENT * statistics.getEmployeeToTotaltimeSpent().keySet().size()
            + ADDITIONAL_HEIGHT;
    projectEmployeeBargraph.setPrefHeight(projectEmployeeBargraphPreferedHeight);
    VBox.setVgrow(projectEmployeeBargraph, Priority.ALWAYS);

    int employeeProjectBargraphPreferedHeight =
        HEIGHT_PER_Y_AXIS_ELEMENT * statistics.getEmployeeToProjectToWorktime().keySet().size()
            + HEIGHT_PER_X_AXIS_ELEMENT * projectsToDisplay.size()
            + ADDITIONAL_HEIGHT;
    employeeProjectBargraph.setPrefHeight(employeeProjectBargraphPreferedHeight);
    VBox.setVgrow(employeeProjectBargraph, Priority.ALWAYS);

    Map<String, XYChart.Series<Number, String>> projectNameToSeries = Maps.newHashMap();

    statistics
        .getEmployeeToProjectToWorktime()
        .keySet()
        .stream()
        .sorted(COLLATOR::compare)
        .forEach(
            employee -> {

              // employee headline label
              Set<String> totalDistinctTasksOfEmployee =
                  statistics.getEmployeeToTotalDistinctTasks().get(employee);
              Label employeeLabel =
                  getBoldLabel(
                      FormattingUtil.getFormatted(
                          "view.statistics.somethingtoamountoftickets",
                          employee,
                          totalDistinctTasksOfEmployee.size()));
              employeeLabel.setPadding(new Insets(20, 0, 0, 0));
              GridPane.setConstraints(employeeLabel, 0, currentGridRow.getAndIncrement());
              GridPane.setColumnSpan(employeeLabel, 4);
              employeeProjectSummaryGrid.getChildren().addAll(employeeLabel);

              // bar graph data container
              XYChart.Series<Number, String> projectEmployeeSeries = new XYChart.Series<>();
              projectEmployeeSeries.setName(employee);
              projectEmployeeBargraph.getData().add(projectEmployeeSeries);

              // time spent per project
              Map<String, AtomicLong> projectToWorktime =
                  statistics.getEmployeeToProjectToWorktime().get(employee);
              Map<String, Label> projectToPercentageLabel = Maps.newHashMap();

              projectToWorktime
                  .keySet()
                  .stream()
                  .sorted(COLLATOR::compare)
                  .forEach(
                      projectName -> {
                        XYChart.Series<Number, String> employeeProjectSeries =
                            projectNameToSeries.get(projectName);
                        if (employeeProjectSeries == null) {
                          employeeProjectSeries = new XYChart.Series<>();
                          employeeProjectSeries.setName(projectName);
                          employeeProjectBargraph.getData().add(employeeProjectSeries);
                          projectNameToSeries.put(projectName, employeeProjectSeries);
                        }

                        // percentage label
                        Label percentageLabel = getBoldLabel("PLACEHOLDER");
                        percentageLabel.setAlignment(Pos.CENTER_RIGHT);
                        percentageLabel.setPadding(new Insets(0, 0, 0, 20));
                        GridPane.setConstraints(percentageLabel, 1, currentGridRow.get());
                        GridPane.setHalignment(percentageLabel, HPos.RIGHT);
                        projectToPercentageLabel.put(projectName, percentageLabel);

                        // project label
                        Set<String> distinctTasksPerProject =
                            statistics
                                .getEmployeeToProjectToDistinctTasks()
                                .get(employee)
                                .get(projectName);
                        Label projectLabel =
                            getBoldLabel(
                                FormattingUtil.getFormatted(
                                    "view.statistics.somethingtoamountoftickets",
                                    projectName,
                                    distinctTasksPerProject.size()));
                        GridPane.setConstraints(projectLabel, 2, currentGridRow.get());

                        // time spent for project label
                        long timespentInMinutes = projectToWorktime.get(projectName).longValue();
                        Label timespentLabel =
                            new Label(FormattingUtil.formatMinutes(timespentInMinutes, true));
                        GridPane.setConstraints(timespentLabel, 3, currentGridRow.get());
                        GridPane.setHgrow(timespentLabel, Priority.ALWAYS);
                        GridPane.setHalignment(timespentLabel, HPos.RIGHT);

                        employeeProjectSummaryGrid
                            .getChildren()
                            .addAll(percentageLabel, projectLabel, timespentLabel);
                        currentGridRow.incrementAndGet();

                        // bargraph data
                        projectEmployeeSeries
                            .getData()
                            .add(new XYChart.Data<>(timespentInMinutes / 60d, projectName));
                        employeeProjectSeries
                            .getData()
                            .addAll(new XYChart.Data<>(timespentInMinutes / 60d, employee));
                      });

              // total time spent
              Label totalLabel =
                  getBoldLabel(FormattingUtil.getFormatted("view.statistics.totaltimespent"));
              GridPane.setConstraints(totalLabel, 0, currentGridRow.get());
              GridPane.setColumnSpan(totalLabel, 4);

              Label timespentLabel =
                  new Label(
                      FormattingUtil.formatMinutes(
                          statistics.getEmployeeToTotaltimeSpent().get(employee).get(), true));
              GridPane.setConstraints(timespentLabel, 3, currentGridRow.get());
              GridPane.setHgrow(timespentLabel, Priority.ALWAYS);
              GridPane.setHalignment(timespentLabel, HPos.RIGHT);
              employeeProjectSummaryGrid.getChildren().addAll(totalLabel, timespentLabel);

              // set label now that we can calculate the percentage
              projectToWorktime
                  .keySet()
                  .forEach(
                      projectName -> {
                        Label percentageLabel = projectToPercentageLabel.get(projectName);

                        double totalSpentTime =
                            statistics.getEmployeeToTotaltimeSpent().get(employee).doubleValue();
                        double spentTimeOnProject =
                            projectToWorktime.get(projectName).doubleValue();

                        double percentage = spentTimeOnProject / totalSpentTime;
                        String percentageFormatted = FormattingUtil.formatPercentage(percentage);
                        percentageLabel.setText(percentageFormatted);
                      });

              currentGridRow.incrementAndGet();
            });

    // employeeProjectBargraph

    statisticsView
        .getChildren()
        .addAll(employeeProjectSummaryGrid, projectEmployeeBargraph, employeeProjectBargraph);

    // custom view statistics
    addAdditionalStatistics(statisticsView, statistics, displayResult);
  }
  private void processWithGrouping(List<TaskWithWorklogs> tasks, DisplayData displayData) {
    LOGGER.debug("Processing with grouping");
    List<String> distinctGroupByCriteria =
        tasks
            .stream()
            .map(TaskWithWorklogs::getDistinctGroupByCriteriaValues)
            .flatMap(Collection::stream)
            .distinct()
            .sorted(COLLATOR)
            .collect(Collectors.toList());

    distinctGroupByCriteria.forEach(
        groupByCriteria -> {
          LOGGER.debug("Gathering data for group criteria value {}", groupByCriteria);
          DisplayRow groupCaptionRow = new DisplayRow();
          groupCaptionRow.setIsGroupContainer(true);
          groupCaptionRow.setLabel(groupByCriteria);

          TreeItem<DisplayRow> groupRow = new TreeItem<>(groupCaptionRow);
          groupRow.setExpanded(true);
          Map<String, DisplayRow> ticketIdToDisplayRow = Maps.newHashMap();

          // add sub rows to groupRow
          tasks
              .stream()
              .filter(
                  taskWithWorklogs ->
                      taskWithWorklogs.getDistinctGroupByCriteriaValues().contains(groupByCriteria))
              .sorted((o1, o2) -> COLLATOR.compare(o1.getIssue(), o2.getIssue()))
              .forEach(
                  taskWithWorklogs -> {
                    // this task with worklogs contains at least one workitem
                    // having the group by criteria

                    DisplayRow ticketRowWithinThisGroup =
                        ticketIdToDisplayRow.get(taskWithWorklogs.getIssue());
                    if (ticketRowWithinThisGroup == null) {
                      ticketRowWithinThisGroup = new DisplayRow();
                      ticketRowWithinThisGroup.setLabel(taskWithWorklogs.getSummary());
                      ticketRowWithinThisGroup.setIssueId(taskWithWorklogs.getIssue());
                      ticketRowWithinThisGroup.setResolvedDate(taskWithWorklogs.getResolved());
                      groupRow.getChildren().add(new TreeItem<>(ticketRowWithinThisGroup));
                      ticketIdToDisplayRow.put(
                          taskWithWorklogs.getIssue(), ticketRowWithinThisGroup);
                    }

                    DisplayRow ticketRowWithinThisGroupAsFinal = ticketRowWithinThisGroup;

                    taskWithWorklogs
                        .getWorklogItemList()
                        .stream()
                        .filter(
                            worklogItem ->
                                StringUtils.equals(worklogItem.getGroup(), groupByCriteria))
                        .sorted((o1, o2) -> o1.getDate().compareTo(o2.getDate()))
                        .forEach(
                            worklogItem -> {
                              // this worklog item matches the critera
                              // add workday entry to current row
                              LocalDate date = worklogItem.getDate();

                              DisplayDayEntry workdayEntry =
                                  ticketRowWithinThisGroupAsFinal
                                      .getWorkdayEntry(date)
                                      .orElseGet(
                                          () -> {
                                            DisplayDayEntry displayDayEntry = new DisplayDayEntry();
                                            displayDayEntry.setDate(date);
                                            ticketRowWithinThisGroupAsFinal.addDisplayDayEntry(
                                                displayDayEntry);

                                            return displayDayEntry;
                                          });

                              workdayEntry
                                  .getSpentTime()
                                  .addAndGet(worklogItem.getDurationInMinutes());

                              // also add up the spent time in the group header per group
                              workdayEntry =
                                  groupCaptionRow
                                      .getWorkdayEntry(date)
                                      .orElseGet(
                                          () -> {
                                            DisplayDayEntry newWorkdayEntry = new DisplayDayEntry();
                                            newWorkdayEntry.setDate(date);
                                            groupCaptionRow.addDisplayDayEntry(newWorkdayEntry);
                                            return newWorkdayEntry;
                                          });
                              workdayEntry
                                  .getSpentTime()
                                  .addAndGet(worklogItem.getDurationInMinutes());
                            });
                  });

          // add groupRow to result
          displayData.addRow(groupRow);
        });
  }