PrimeFaces Extensions Showcase

MethodParam

Task: Call a remote Java method with any parameters from JavaScript. It can be done with pe:remoteCommand and pe:methodParam, pe:methodSignature. MethodParam specifies a name of the parameter and MethodSignature specifies a comma separated list with full qualified class names. Class names should match passed parameters in the same order as they were defined.

Source


<p:growl id="growl" showDetail="true"/>

    <pe:remoteCommand id="applyDataCommand" name="applyData" process="@this" update="growl" actionListener="#{remoteCommandController.printMethodParams}">
        <pe:methodSignature parameters="java.lang.String, java.util.Date, org.primefaces.extensions.showcase.model.Circle"/>
        <pe:methodParam name="subject"/>
        <pe:methodParam name="date">
            <f:convertDateTime type="both" pattern="MM/dd/yyyy HH:mm:ss"/>
        </pe:methodParam>
        <pe:methodParam name="circle">
            <pe:convertJson/>
        </pe:methodParam>
    </pe:remoteCommand>

    <script type="text/javascript">
        circle = {
            radius: 50,
            backgroundColor: "#FF0000",
            borderColor: "#DDDDDD",
            scaleFactor: 1.2
        };
        circle2 = {
            radius: 32,
            backgroundColor: "#FF0320",
            borderColor: "#DDFFFD",
            scaleFactor: 1.6
        };
    </script>

    <p:commandButton value="Apply Data" type="button" onclick="applyData('hello world', '05/14/2007 12:55:42', JSON.stringify(circle))"/>
    <p:commandButton value="Apply Second Data" type="button" onclick="applyData('hello user', '07/11/2001 11:55:42', JSON.stringify(circle2))"/>


@Named
@RequestScoped
public class RemoteCommandController {

    private String subject;
    private Date date;
    private Circle circle;

    public void printMethodParams(final String subject, final Date date, final Circle circle) {
        final FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_INFO, "ActionListener called", "Subject: "
                    + subject + ", Date: " + date + ", Circle - backgroundColor: " + circle.getBackgroundColor());

        FacesContext.getCurrentInstance().addMessage(null, msg);
    }

    public void parametersAssigned() {
        final FacesMessage msg = new FacesMessage(FacesMessage.SEVERITY_INFO, "ActionListener called",
                    "Parameters assigned");

        FacesContext.getCurrentInstance().addMessage(null, msg);
    }

    public String getSubject() {
        return subject;
    }

    public void setSubject(final String subject) {
        this.subject = subject;
    }

    public Date getDate() {
        return date;
    }

    public void setDate(final Date date) {
        this.date = date;
    }

    public Circle getCircle() {
        return circle;
    }

    public void setCircle(final Circle circle) {
        this.circle = circle;
    }
}


public class Circle implements Serializable {

    private static final long serialVersionUID = 20111020L;

    private int radius;
    private String backgroundColor;
    private String borderColor;
    private double scaleFactor;

    public final int getRadius() {
        return radius;
    }

    public final void setRadius(int radius) {
        this.radius = radius;
    }

    public final String getBackgroundColor() {
        return backgroundColor;
    }

    public final void setBackgroundColor(String backgroundColor) {
        this.backgroundColor = backgroundColor;
    }

    public final String getBorderColor() {
        return borderColor;
    }

    public final void setBorderColor(String borderColor) {
        this.borderColor = borderColor;
    }

    public final double getScaleFactor() {
        return scaleFactor;
    }

    public final void setScaleFactor(double scaleFactor) {
        this.scaleFactor = scaleFactor;
    }
}