Example usage for javafx.scene.chart PieChart PieChart

Introduction

In this page you can find the example usage for javafx.scene.chart PieChart PieChart.

Prototype

public PieChart(ObservableList<PieChart.Data> data) 

Source Link

Document

Construct a new PieChart with the given data

Usage

From source file:Main.java

@Override
public void start(Stage stage) {
    Scene scene = new Scene(new Group());
    stage.setTitle("Imported Fruits");
    stage.setWidth(500);// w  w w  . jav a  2  s.co  m
    stage.setHeight(500);

    ObservableList<PieChart.Data> pieChartData = FXCollections.observableArrayList(
            new PieChart.Data("Grapefruit", 13), new PieChart.Data("Oranges", 25),
            new PieChart.Data("Plums", 10), new PieChart.Data("Pears", 22), new PieChart.Data("Apples", 30));

    final PieChart chart = new PieChart(pieChartData);
    chart.setTitle("Imported Fruits");
    final Label caption = new Label("");
    caption.setTextFill(Color.DARKORANGE);
    caption.setStyle("-fx-font: 24 arial;");

    for (final PieChart.Data data : chart.getData()) {
        data.getNode().addEventHandler(MouseEvent.MOUSE_PRESSED, new EventHandler<MouseEvent>() {
            @Override
            public void handle(MouseEvent e) {
                caption.setTranslateX(e.getSceneX());
                caption.setTranslateY(e.getSceneY());
                caption.setText(String.valueOf(data.getPieValue()) + "%");
            }
        });
    }

    ((Group) scene.getRoot()).getChildren().addAll(chart, caption);
    stage.setScene(scene);
    //scene.getStylesheets().add("piechartsample/Chart.css");
    stage.show();
}

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From source file:dpfmanager.shell.interfaces.gui.component.report.ReportsView.java

public void addChartScore() {
    colScore.setCellFactory(new Callback<TableColumn<ReportRow, String>, TableCell<ReportRow, String>>() {
        @Override/*w w  w .j a  v a2s .  co  m*/
        public TableCell<ReportRow, String> call(TableColumn<ReportRow, String> param) {
            TableCell<ReportRow, String> cell = new TableCell<ReportRow, String>() {
                @Override
                public void updateItem(String item, boolean empty) {
                    super.updateItem(item, empty);
                    if (!empty && item != null) {

                        Double score = item.indexOf("%") < 0 || item.indexOf("?") >= 0 ? 0
                                : Double.parseDouble(item.substring(0, item.indexOf('%')));

                        ObservableList<PieChart.Data> pieChartData = FXCollections.observableArrayList(
                                new PieChart.Data("Correct", score), new PieChart.Data("Error", 100 - score));

                        PieChart chart = new PieChart(pieChartData);
                        chart.setId("pie_chart");
                        chart.setMinSize(22, 22);
                        chart.setMaxSize(22, 22);

                        HBox box = new HBox();
                        box.setSpacing(8);
                        box.setAlignment(Pos.CENTER_LEFT);

                        Label score_label = new Label(item);
                        score_label.setTextFill(Color.LIGHTGRAY);

                        box.getChildren().add(chart);
                        box.getChildren().add(score_label);

                        setGraphic(box);
                    } else {
                        setGraphic(null);
                    }
                }
            };
            return cell;
        }
    });
}

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From source file:de.ifsr.adam.ImageGenerator.java

/**
 * Generates a pie chart.// ww w.ja va 2s .c  o  m
 *
 * @param question A question JSONObject of a report
 * @return
 */
private PieChart generatePieChart(JSONObject question) {
    ObservableList<PieChart.Data> data;
    PieChart chart;

    JSONObject surveyQuestion;
    JSONObject answerType;
    JSONObject result;

    try {
        surveyQuestion = getSurveyQuestion(question.getString("question"));
        try {
            answerType = getAnswerType(surveyQuestion.getString("type"));
        } catch (NullPointerException e) {
            log.error("The answerType of " + question + " wasnt generated due to a NullPointer");
            log.debug("", e);
            return null;
        }

        result = question.getJSONObject("result");
        data = generateDataPieChart(result, answerType);

        chart = new PieChart(data);
        chart.setTitle(surveyQuestion.getString("text"));
        chart.setLegendVisible(false);
    } catch (JSONException e) {
        log.error(e);
        return null;
    }

    return chart;
}

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