Examples with AutofocusValidationDecorator org.apache.tapestry5.internal.util.AutofocusValidationDecorator used on opensource projects

Example 1 with AutofocusValidationDecorator

use of org.apache.tapestry5.internal.util.AutofocusValidationDecorator in project tapestry-5 by apache.

the class Form method beginRender.

void beginRender(MarkupWriter writer) {
    Link link = resources.createFormEventLink(EventConstants.ACTION, context);
    String actionURL = secure && secureEnabled ? link.toAbsoluteURI(true) : link.toURI();
    actionSink = new ComponentActionSink(logger, clientDataEncoder);
    clientId = javascriptSupport.allocateClientId(resources);
    // Pre-register some names, to prevent client-side collisions with function names
    // attached to the JS Form object.
    IdAllocator allocator = new IdAllocator();
    preallocateNames(allocator);
    formSupport = createRenderTimeFormSupport(clientId, actionSink, allocator);
    environment.push(FormSupport.class, formSupport);
    environment.push(ValidationTracker.class, tracker);
    if (autofocus) {
        ValidationDecorator autofocusDecorator = new AutofocusValidationDecorator(environment.peek(ValidationDecorator.class), tracker, javascriptSupport);
        environment.push(ValidationDecorator.class, autofocusDecorator);
    }
    // Now that the environment is setup, inform the component or other
    // listeners that the form
    // is about to render.
    resources.triggerEvent(EventConstants.PREPARE_FOR_RENDER, context, null);
    resources.triggerEvent(EventConstants.PREPARE, context, null);
    // Push BeanValidationContext only after the container had a chance to prepare
    environment.push(BeanValidationContext.class, new BeanValidationContextImpl(validate));
    // Save the form element for later, in case we want to write an encoding
    // type attribute.
    form = writer.element("form", "id", clientId, "method", "post", "action", actionURL, "data-update-zone", zone, DATA_ATTRIBUTE, DATA_ATTRIBUTE_VALUE);
    if (clientValidation != ClientValidation.NONE) {
        writer.attributes("data-validate", "submit");
    }
    if (async) {
        javascriptSupport.require("t5/core/zone");
        writer.attributes("data-async-trigger", true);
    }
    resources.renderInformalParameters(writer);
    div = writer.element("div");
    for (String parameterName : link.getParameterNames()) {
        String[] values = link.getParameterValues(parameterName);
        for (String value : values) {
            // but the input value shouldn't be encoded.
            try {
                value = URLDecoder.decode(value, "UTF-8");
            } catch (UnsupportedEncodingException e) {
                logger.error("Enable to decode parameter value for parameter {} in form {}", parameterName, form.getName(), e);
            }
            writer.element("input", "type", "hidden", "name", parameterName, "value", value);
            writer.end();
        }
    }
    // div
    writer.end();
    environment.peek(Heartbeat.class).begin();
}