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Misc
Charts Pie
PieChart is created with raw JSON or using an XDEV model. Using the extender functionality to add Data Labels to the pie chart with the Data Labels plugin.
<!-- Must load plugin JS (here using OmniFaces CDN handler) -->
<h:outputScript library="cdn" name="chartjs-plugin-datalabels.js" target="body"/>
<script>
function chartExtender() {
var options = {
plugins: [ChartDataLabels],
options: {
plugins: {
// Change options for ALL labels of THIS CHART
datalabels: {
color: 'HotPink'
}
}
},
data: {
datasets: [{
// Change options only for labels of THIS DATASET
datalabels: {
color: 'Indigo'
}
}]
}
};
//merge all options into the main chart options
$.extend(true, this.cfg.config, options);
}
</script>
<div class="grid">
<div class="col-12 lg:col-6 xl:col-4">
<div class="card">
<p:chart value="#{chartView.pieModel}" extender="chartExtender"/>
</div>
</div>
</div>
package org.primefaces.showcase.view.chartjs;
import jakarta.annotation.PostConstruct;
import jakarta.enterprise.context.RequestScoped;
import jakarta.faces.application.FacesMessage;
import jakarta.faces.context.FacesContext;
import jakarta.inject.Named;
import java.io.Serializable;
import java.math.BigDecimal;
import java.util.List;
import org.primefaces.event.ItemSelectEvent;
import software.xdev.chartjs.model.charts.BarChart;
import software.xdev.chartjs.model.charts.BubbleChart;
import software.xdev.chartjs.model.charts.DoughnutChart;
import software.xdev.chartjs.model.charts.LineChart;
import software.xdev.chartjs.model.charts.PieChart;
import software.xdev.chartjs.model.charts.PolarChart;
import software.xdev.chartjs.model.charts.RadarChart;
import software.xdev.chartjs.model.charts.ScatterChart;
import software.xdev.chartjs.model.color.RGBAColor;
import software.xdev.chartjs.model.data.BarData;
import software.xdev.chartjs.model.data.BubbleData;
import software.xdev.chartjs.model.data.DoughnutData;
import software.xdev.chartjs.model.data.LineData;
import software.xdev.chartjs.model.data.PieData;
import software.xdev.chartjs.model.data.PolarData;
import software.xdev.chartjs.model.data.RadarData;
import software.xdev.chartjs.model.data.ScatterData;
import software.xdev.chartjs.model.datapoint.BubbleDataPoint;
import software.xdev.chartjs.model.datapoint.ScatterDataPoint;
import software.xdev.chartjs.model.dataset.BarDataset;
import software.xdev.chartjs.model.dataset.BubbleDataset;
import software.xdev.chartjs.model.dataset.DoughnutDataset;
import software.xdev.chartjs.model.dataset.LineDataset;
import software.xdev.chartjs.model.dataset.PieDataset;
import software.xdev.chartjs.model.dataset.PolarDataset;
import software.xdev.chartjs.model.dataset.RadarDataset;
import software.xdev.chartjs.model.dataset.ScatterDataset;
import software.xdev.chartjs.model.enums.FontStyle;
import software.xdev.chartjs.model.enums.IndexAxis;
import software.xdev.chartjs.model.enums.ScalesPosition;
import software.xdev.chartjs.model.options.BarOptions;
import software.xdev.chartjs.model.options.DoughnutOptions;
import software.xdev.chartjs.model.options.Font;
import software.xdev.chartjs.model.options.LineOptions;
import software.xdev.chartjs.model.options.Plugins;
import software.xdev.chartjs.model.options.RadarOptions;
import software.xdev.chartjs.model.options.Title;
import software.xdev.chartjs.model.options.Tooltip;
import software.xdev.chartjs.model.options.elements.Fill;
import software.xdev.chartjs.model.options.scale.Scales;
import software.xdev.chartjs.model.options.scale.cartesian.CartesianScaleOptions;
import software.xdev.chartjs.model.options.scale.cartesian.CartesianTickOptions;
import software.xdev.chartjs.model.options.scale.cartesian.linear.LinearScaleOptions;
import software.xdev.chartjs.model.options.scale.radial.AngleLines;
import software.xdev.chartjs.model.options.scale.radial.PointLabels;
import software.xdev.chartjs.model.options.scale.radial.RadialLinearScaleOptions;
import software.xdev.chartjs.model.options.scale.radial.RadialTickOptions;
@Named
@RequestScoped
public class ChartView implements Serializable {
private static final long serialVersionUID = 1L;
private String json;
private String barModel;
private String bubbleModel;
private String cartesianLinerModel;
private String donutModel;
private String lineModel;
private String pieModel;
private String polarAreaModel;
private String radarModel;
private String scatterModel;
private String stackedBarModel;
@PostConstruct
public void init() {
createBarModel();
createBubbleModel();
createCartesianLinerModel();
createDonutModel();
createJsonModel();
createLineModel();
createPieModel();
createPolarAreaModel();
createRadarModel();
createScatterModel();
createStackedBarModel();
}
private void createPieModel() {
pieModel = new PieChart()
.setData(new PieData()
.addDataset(new PieDataset()
.setData(BigDecimal.valueOf(300), BigDecimal.valueOf(50), BigDecimal.valueOf(100))
.setLabel("My First Dataset")
.addBackgroundColors(new RGBAColor(255, 99, 132), new RGBAColor(54, 162, 235), new RGBAColor(255, 205, 86))
)
.setLabels("Red", "Blue", "Yellow"))
.toJson();
}
private void createPolarAreaModel() {
polarAreaModel = new PolarChart()
.setData(new PolarData()
.addDataset(new PolarDataset()
.setData(BigDecimal.valueOf(11),
BigDecimal.valueOf(16),
BigDecimal.valueOf(7),
BigDecimal.valueOf(3),
BigDecimal.valueOf(14))
.setLabel("My First Dataset")
.addBackgroundColors(
new RGBAColor(255, 99, 132),
new RGBAColor(75, 192, 192),
new RGBAColor(255, 205, 86),
new RGBAColor(201, 203, 207),
new RGBAColor(54, 162, 235)
)
)
.setLabels("Red", "Green", "Yellow", "Grey", "Blue"))
.toJson();
}
public void createLineModel() {
lineModel = new LineChart()
.setData(new LineData()
.addDataset(new LineDataset()
.setData(65, 59, 80, 81, 56, 55, 40)
.setLabel("My First Dataset")
.setBorderColor(new RGBAColor(75, 192, 192))
.setLineTension(0.1f)
.setFill(new Fill<Boolean>(false)))
.setLabels("January", "February", "March", "April", "May", "June", "July"))
.setOptions(new LineOptions()
.setResponsive(true)
.setMaintainAspectRatio(false)
.setPlugins(new Plugins()
.setTitle(new Title()
.setDisplay(true)
.setText("Line Chart Subtitle")))
).toJson();
}
public void createScatterModel() {
scatterModel = new ScatterChart()
.setData(new ScatterData()
.addDataset(new ScatterDataset()
.addData(new ScatterDataPoint(-10, 0))
.addData(new ScatterDataPoint(0, 10))
.addData(new ScatterDataPoint(10, 5))
.addData(new ScatterDataPoint(8, 14))
.addData(new ScatterDataPoint(12, 2))
.addData(new ScatterDataPoint(13, 7))
.addData(new ScatterDataPoint(6, 9))
.setLabel("Red Dataset")
.setBorderColor(new RGBAColor(249, 24, 24))
.setShowLine(Boolean.FALSE)
.setFill(new Fill<Boolean>(true)))
)
.setOptions(new LineOptions()
.setResponsive(true)
.setShowLine(Boolean.FALSE)
.setScales(new Scales()
.addScale(Scales.ScaleAxis.X, new LinearScaleOptions().setPosition(ScalesPosition.BOTTOM)))
.setPlugins(new Plugins()
.setTitle(new Title()
.setDisplay(true)
.setText("Scatter Chart")))
).toJson();
}
public void createCartesianLinerModel() {
cartesianLinerModel = new LineChart()
.setData(new LineData()
.addDataset(new LineDataset()
.setData(20, 50, 100, 75, 25, 0)
.setLabel("Left Dataset")
.setLineTension(0.5f)
.setYAxisID("left-y-axis")
.setFill(new Fill<Boolean>(true)))
.addDataset(new LineDataset()
.setData(0.1, 0.5, 1.0, 2.0, 1.5, 0)
.setLabel("Right Dataset")
.setLineTension(0.5f)
.setYAxisID("right-y-axis")
.setFill(new Fill<Boolean>(true)))
.setLabels("Jan", "Feb", "Mar", "Apr", "May", "Jun"))
.setOptions(new LineOptions()
.setResponsive(true)
.setMaintainAspectRatio(false)
.setScales(new Scales()
.addScale("left-y-axis", new LinearScaleOptions().setPosition(ScalesPosition.LEFT))
.addScale("right-y-axis", new LinearScaleOptions().setPosition(ScalesPosition.RIGHT)))
.setPlugins(new Plugins()
.setTitle(new Title()
.setDisplay(true)
.setText("Cartesian Linear Chart")))
).toJson();
}
public void createBarModel() {
barModel = new BarChart()
.setData(new BarData()
.addDataset(new BarDataset()
.setData(65, 59, 80, 81, 56, 55, 40)
.setLabel("My First Dataset")
.setBackgroundColor(new RGBAColor(255, 99, 132, 0.2))
.setBorderColor(new RGBAColor(255, 99, 132))
.setBorderWidth(1))
.addDataset(new BarDataset()
.setData(85, 69, 20, 51, 76, 75, 10)
.setLabel("My Second Dataset")
.setBackgroundColor(new RGBAColor(255, 159, 64, 0.2))
.setBorderColor(new RGBAColor(255, 159, 64))
.setBorderWidth(1)
)
.setLabels("January", "February", "March", "April", "May", "June", "July"))
.setOptions(new BarOptions()
.setResponsive(true)
.setMaintainAspectRatio(false)
.setIndexAxis(IndexAxis.X)
.setScales(new Scales().addScale(Scales.ScaleAxis.Y, new CartesianScaleOptions()
.setStacked(false)
.setTicks(new CartesianTickOptions()
.setAutoSkip(true)
.setMirror(true)))
)
.setPlugins(new Plugins()
.setTitle(new Title()
.setDisplay(true)
.setText("Bar Chart using XDEV java model")))
).toJson();
}
public void createStackedBarModel() {
stackedBarModel = new BarChart()
.setData(new BarData()
.addDataset(new BarDataset()
.setData(62, -58, -49, 25, 4, 77, -41)
.setLabel("Dataset 1")
.setBackgroundColor(new RGBAColor(255, 99, 132)))
.addDataset(new BarDataset()
.setData(-1, 32, -52, 11, 97, 76, -78)
.setLabel("Dataset 2")
.setBackgroundColor(new RGBAColor(54, 162, 235)))
.addDataset(new BarDataset()
.setData(-44, 25, 15, 92, 80, -25, -11)
.setLabel("Dataset 3")
.setBackgroundColor(new RGBAColor(75, 192, 192)))
.setLabels("January", "February", "March", "April", "May", "June", "July"))
.setOptions(new BarOptions()
.setResponsive(true)
.setMaintainAspectRatio(false)
.setScales(new Scales()
.addScale(Scales.ScaleAxis.X, new CartesianScaleOptions()
.setStacked(true)
.setTicks(new CartesianTickOptions()))
.addScale(Scales.ScaleAxis.Y, new CartesianScaleOptions()
.setStacked(true)
.setTicks(new CartesianTickOptions()))
)
.setPlugins(new Plugins()
.setTooltip(new Tooltip().setMode("index"))
.setTitle(new Title()
.setDisplay(true)
.setText("Bar Chart - Stacked")))
).toJson();
}
public void createRadarModel() {
radarModel = new RadarChart()
.setData(new RadarData()
.addDataset(new RadarDataset()
.setData(BigDecimal.valueOf(2.2),
BigDecimal.valueOf(3),
BigDecimal.valueOf(2.4),
BigDecimal.valueOf(1.1),
BigDecimal.valueOf(3))
.setLabel("P.Practitioner")
.setLineTension(0.1f)
.setBackgroundColor(new RGBAColor(102, 153, 204, 0.2))
.setBorderColor(new RGBAColor(102, 153, 204, 1))
.setPointBackgroundColor(List.of(new RGBAColor(102, 153, 204, 1)))
.setPointBorderColor(List.of(RGBAColor.WHITE))
.setPointHoverRadius(List.of(5))
.setPointHoverBackgroundColor(List.of(RGBAColor.WHITE))
.setPointHoverBorderColor(List.of(new RGBAColor(102, 153, 204, 1))))
.addDataset(new RadarDataset()
.setData(BigDecimal.valueOf(2.1),
BigDecimal.valueOf(3),
BigDecimal.valueOf(3),
BigDecimal.valueOf(2.7),
BigDecimal.valueOf(3))
.setLabel("P.Manager")
.setLineTension(0.1f)
.setBackgroundColor(new RGBAColor(255, 204, 102, 0.2))
.setBorderColor(new RGBAColor(255, 204, 102, 1))
.setPointBackgroundColor(List.of(new RGBAColor(255, 204, 102, 1)))
.setPointBorderColor(List.of(RGBAColor.WHITE))
.setPointHoverRadius(List.of(5))
.setPointHoverBackgroundColor(List.of(RGBAColor.WHITE))
.setPointHoverBorderColor(List.of(new RGBAColor(255, 204, 102, 1))))
.setLabels("Process Excellence", "Problem Solving", "Facilitation", "Project Mgmt", "Change Mgmt"))
.setOptions(new RadarOptions()
.setResponsive(true)
.setMaintainAspectRatio(false)
.setScales(new Scales().addScale(Scales.ScaleAxis.Y, new RadialLinearScaleOptions()
.setAngleLines(new AngleLines()
.setDisplay(Boolean.TRUE)
.setLineWidth(BigDecimal.valueOf(0.5))
.setColor(new RGBAColor(128, 128, 128, 0.2)))
.setPointLabels(new PointLabels().setFont(new Font()
.setSize(BigDecimal.valueOf(14))
.setStyle(FontStyle.NORMAL)
.setFamily("Lato, sans-serif"))
.setColor(new RGBAColor(204, 204, 204, 1)))
.setTicks(new RadialTickOptions()
.setDisplay(false)
.setStepSize(BigDecimal.valueOf(0.2))
.setMaxTickLimits(BigDecimal.valueOf(3))))
)
.setPlugins(new Plugins()
.setTitle(new Title()
.setDisplay(true)
.setText("Radar Chart")))
).toJson();
}
public void createBubbleModel() {
bubbleModel = new BubbleChart()
.setData(new BubbleData()
.addDataset(new BubbleDataset()
.addData(new BubbleDataPoint(BigDecimal.valueOf(20), BigDecimal.valueOf(30), BigDecimal.valueOf(15)))
.addData(new BubbleDataPoint(BigDecimal.valueOf(40), BigDecimal.valueOf(10), BigDecimal.valueOf(10)))
.setLabel("My First Dataset")
.setBackgroundColor(new RGBAColor(255, 99, 132))
.setBorderColor(new RGBAColor(255, 99, 132))
)).toJson();
}
public void createDonutModel() {
donutModel = new DoughnutChart()
.setData(new DoughnutData()
.addDataset(new DoughnutDataset()
.setData(BigDecimal.valueOf(300),
BigDecimal.valueOf(50),
BigDecimal.valueOf(100))
.addBackgroundColors(
new RGBAColor(255, 99, 132),
new RGBAColor(54, 162, 235),
new RGBAColor(255, 205, 86))
)
.setLabels("Red", "Blue", "Yellow"))
.setOptions(new DoughnutOptions().setMaintainAspectRatio(Boolean.FALSE))
.toJson();
}
public void createJsonModel() {
json = """
{\r
"type":"line",\r
"data":{\r
"datasets":[\r
{\r
"backgroundColor":"rgba(40, 180, 99, 0.3)",\r
"borderColor":"rgb(40, 180, 99)",\r
"borderWidth":1,\r
"data":[\r
{\r
"x":1699457269877,\r
"y":20\r
},\r
{\r
"x":1700047109694,\r
"y":20\r
}\r
],\r
"hidden":false,\r
"label":"Device Id: 524967 Register: A - total Wh ",\r
"minBarLength":3\r
},\r
{\r
"backgroundColor":"rgba(218, 117, 255, 0.3)",\r
"borderColor":"rgb(218, 117, 255)",\r
"borderWidth":1,\r
"data":[\r
{\r
"x":1699457267847,\r
"y":10\r
},\r
{\r
"x":1700047108397,\r
"y":234\r
}\r
],\r
"hidden":false,\r
"label":"Device Id: 524967 Register: A+ total Wh ",\r
"minBarLength":3\r
}\r
]\r
},\r
"options":{\r
"plugins":{\r
"legend":{\r
"display":true,\r
"fullWidth":true,\r
"position":"top",\r
"reverse":false,\r
"rtl":false\r
},\r
"title":{\r
"display":true,\r
"text":"Values from the meter"\r
},\r
"zoom":{\r
"pan":{\r
"enabled":true,\r
"mode":"xy",\r
"threshold":5\r
},\r
"zoom":{\r
"wheel":{\r
"enabled":true\r
},\r
"pinch":{\r
"enabled":true\r
},\r
"mode":"xy"\r
}\r
}\r
},\r
"scales":{\r
"x":{\r
"beginAtZero":false,\r
"offset":true,\r
"reverse":false,\r
"stacked":true,\r
"ticks":{\r
"autoSkip":true,\r
"maxRotation":0,\r
"minRotation":0,\r
"mirror":false,\r
"source":"data"\r
},\r
"time":{\r
"displayFormats":{\r
"minute":"dd.LL T"\r
},\r
"round":"minute",\r
"stepSize":"60",\r
"unit":"minute"\r
},\r
"type":"time"\r
},\r
"y":{\r
"beginAtZero":false,\r
"offset":false,\r
"reverse":false,\r
"stacked":true,\r
"ticks":{\r
"autoSkip":true,\r
"mirror":false\r
}\r
}\r
},\r
"showLine":true,\r
"spanGaps":false\r
}\r
}""";
}
public void itemSelect(ItemSelectEvent event) {
FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_INFO, "Item selected",
"Value: " + event.getData()
+ ", Item Index: " + event.getItemIndex()
+ ", DataSet Index:" + event.getDataSetIndex());
FacesContext.getCurrentInstance().addMessage(null, msg);
}
public String getPieModel() {
return pieModel;
}
public void setPieModel(String pieModel) {
this.pieModel = pieModel;
}
public String getPolarAreaModel() {
return polarAreaModel;
}
public void setPolarAreaModel(String polarAreaModel) {
this.polarAreaModel = polarAreaModel;
}
public String getLineModel() {
return lineModel;
}
public void setLineModel(String lineModel) {
this.lineModel = lineModel;
}
public String getCartesianLinerModel() {
return cartesianLinerModel;
}
public void setCartesianLinerModel(String cartesianLinerModel) {
this.cartesianLinerModel = cartesianLinerModel;
}
public String getBarModel() {
return barModel;
}
public void setBarModel(String barModel) {
this.barModel = barModel;
}
public String getStackedBarModel() {
return stackedBarModel;
}
public void setStackedBarModel(String stackedBarModel) {
this.stackedBarModel = stackedBarModel;
}
public String getRadarModel() {
return radarModel;
}
public void setRadarModel(String radarModel) {
this.radarModel = radarModel;
}
public String getBubbleModel() {
return bubbleModel;
}
public void setBubbleModel(String bubbleModel) {
this.bubbleModel = bubbleModel;
}
public String getDonutModel() {
return donutModel;
}
public void setDonutModel(String donutModel) {
this.donutModel = donutModel;
}
public String getScatterModel() {
return scatterModel;
}
public void setScatterModel(String scatterModel) {
this.scatterModel = scatterModel;
}
public String getJson() {
return json;
}
public void setJson(String json) {
this.json = json;
}
}
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