PrimeFaces Extensions Showcase

CodeScanner

Multi-format 1D/2D barcode image scanner.

Source

XHTML page
Managed bean


<p:growl id="growl" showDetail="true" showSummary="true" globalOnly="false">
        <p:autoUpdate />
    </p:growl>

    <p><p:inputText id="input" style="width:530px"/></p>
    <pe:codeScanner width="530"
                    height="400"
                    for="input">
        <p:ajax event="codeScanned" listener="#{codeScannerController.onCodeScanned}"/>
    </pe:codeScanner>


@Named
@ViewScoped
public class CodeScannerController implements Serializable {

    public void onCodeScanned(final SelectEvent<Code> event) {
        final Code code = event.getObject();
        FacesContext.getCurrentInstance().addMessage(
                    null,
                    new FacesMessage(FacesMessage.SEVERITY_INFO,
                                String.format("Scanned: %s (%s)", code.getValue(), code.getFormat()),
                                null));
    }

}

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