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Input Style

Outlined

Filled

Free Themes

Built-in component themes created by the PrimeFaces Theme Designer.

Saga

Vela

Arya

Legacy Free Themes

Luna Amber

Luna Blue

Luna Green

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Nova

Nova Alt

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Diagram StateMachine

StateMachines can be created using state machine connectors.

SERVER API CLIENT API TAG VDL

Idle

TurnedOn

Activity

statemachine.xhtml
StateMachineView.java


<style>
    .ui-diagram-element {
        width: 14em;
        height: 4em;
        line-height: 4em;
        text-align: center;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.8);
        border-radius: 4px;
        border: 1px solid #646D7E;
        background-color: #646D7E;
        color: #ffffff;
    }

    .ui-diagram-element:hover {
        background-color: #828B9C;
    }

    .start-node {
        width: 4em;
        border-radius: 6px;
        background-color: #000000 !important;
    }

    .flow-label {
        color: #464F60;
        font-size: 18px;
        font-weight: bold;
    }
</style>

<div class="card">
    <p:diagram value="#{diagramStateMachineView.model}" style="height:700px" styleClass="ui-widget-content"/>
</div>


package org.primefaces.showcase.view.data.diagram;

import jakarta.annotation.PostConstruct;
import jakarta.enterprise.context.RequestScoped;
import jakarta.inject.Named;

import io.quarkus.runtime.annotations.RegisterForReflection;
import org.primefaces.model.diagram.Connection;
import org.primefaces.model.diagram.DefaultDiagramModel;
import org.primefaces.model.diagram.DiagramModel;
import org.primefaces.model.diagram.Element;
import org.primefaces.model.diagram.connector.StateMachineConnector;
import org.primefaces.model.diagram.endpoint.BlankEndPoint;
import org.primefaces.model.diagram.endpoint.EndPoint;
import org.primefaces.model.diagram.endpoint.EndPointAnchor;
import org.primefaces.model.diagram.overlay.ArrowOverlay;
import org.primefaces.model.diagram.overlay.LabelOverlay;

@Named("diagramStateMachineView")
@RequestScoped
@RegisterForReflection(serialization = true)
public class StateMachineView {

    private DefaultDiagramModel model;

    @PostConstruct
    public void init() {
        model = new DefaultDiagramModel();
        model.setMaxConnections(-1);

        StateMachineConnector connector = new StateMachineConnector();
        connector.setOrientation(StateMachineConnector.Orientation.ANTICLOCKWISE);
        connector.setPaintStyle("{stroke:'#7D7463',strokeWidth:3}");
        model.setDefaultConnector(connector);

        Element start = new Element(null, "15em", "5em");
        start.addEndPoint(new BlankEndPoint(EndPointAnchor.BOTTOM));
        start.setStyleClass("start-node");

        Element idle = new Element("Idle", "10em", "20em");
        idle.addEndPoint(new BlankEndPoint(EndPointAnchor.TOP));
        idle.addEndPoint(new BlankEndPoint(EndPointAnchor.BOTTOM_RIGHT));
        idle.addEndPoint(new BlankEndPoint(EndPointAnchor.BOTTOM_LEFT));

        Element turnedOn = new Element("TurnedOn", "10em", "35em");
        turnedOn.addEndPoint(new BlankEndPoint(EndPointAnchor.TOP));
        turnedOn.addEndPoint(new BlankEndPoint(EndPointAnchor.RIGHT));
        turnedOn.addEndPoint(new BlankEndPoint(EndPointAnchor.BOTTOM_RIGHT));

        Element activity = new Element("Activity", "45em", "35em");
        activity.addEndPoint(new BlankEndPoint(EndPointAnchor.LEFT));
        activity.addEndPoint(new BlankEndPoint(EndPointAnchor.BOTTOM_LEFT));
        activity.addEndPoint(new BlankEndPoint(EndPointAnchor.TOP));
        activity.addEndPoint(new BlankEndPoint(EndPointAnchor.TOP_RIGHT));
        activity.addEndPoint(new BlankEndPoint(EndPointAnchor.TOP_LEFT));

        model.addElement(start);
        model.addElement(idle);
        model.addElement(turnedOn);
        model.addElement(activity);

        model.connect(createConnection(start.getEndPoints().get(0), idle.getEndPoints().get(0), null));
        model.connect(createConnection(idle.getEndPoints().get(1), turnedOn.getEndPoints().get(0), "Turn On"));
        model.connect(createConnection(turnedOn.getEndPoints().get(0), idle.getEndPoints().get(2), "Turn Off"));
        model.connect(createConnection(turnedOn.getEndPoints().get(1), activity.getEndPoints().get(0), null));
        model.connect(createConnection(activity.getEndPoints().get(1), turnedOn.getEndPoints().get(2), "Request Turn Off"));
        model.connect(createConnection(activity.getEndPoints().get(2), activity.getEndPoints().get(2), "Talk"));
        model.connect(createConnection(activity.getEndPoints().get(3), activity.getEndPoints().get(3), "Run"));
        model.connect(createConnection(activity.getEndPoints().get(4), activity.getEndPoints().get(4), "Walk"));
    }

    public DiagramModel getModel() {
        return model;
    }

    private Connection createConnection(EndPoint from, EndPoint to, String label) {
        Connection conn = new Connection(from, to);
        conn.getOverlays().add(new ArrowOverlay(20, 20, 1, 1));

        if (label != null) {
            conn.getOverlays().add(new LabelOverlay(label, "flow-label", 0.5));
        }

        return conn;
    }
}