Example usage for com.google.gwt.dom.client FormElement getElements

Introduction

In this page you can find the example usage for com.google.gwt.dom.client FormElement getElements.

Prototype

public final NodeCollection<Element> getElements() 

Source Link

Document

Returns a collection of all form control elements in the form.

Usage

From source file:com.horaz.client.model.BaseModel.java

License:Open Source License

/**
 * reads data from form elements//from   ww  w  .  j  av a 2  s  . c  om
 * @param form
 * @throws ValidationException if validation fails
 */
public void setFields(FormElement form) throws ValidationException {
    for (ModelField fld : getStructure()) {
        Element elm = form.getElements().getNamedItem(fld.name);
        if (elm == null) {
            continue;
        }
        // get values
        Object value;
        if (elm instanceof InputElement) {
            value = ((InputElement) elm).getValue();
        } else if (elm instanceof TextAreaElement) {
            value = ((TextAreaElement) elm).getValue();
        } else {
            // TODO vervollstndigen
            value = elm.toString();
        }
        if (fld.validation != null) {
            if (!fld.validation.validate(value)) {
                throw new ValidationException(fld);
            }
        }
        fields.put(fld.name, value);
    }
}

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From source file:io.reinert.requestor.form.FormDataSerializerUrlEncoded.java

License:Apache License

@Override
public Payload serialize(FormData formData) {
    StringBuilder serialized = new StringBuilder();

    final FormElement formElement = formData.getFormElement();
    if (formElement != null) {
        final NodeCollection<Element> elements = formElement.getElements();
        for (int i = 0; i < elements.getLength(); i++) {
            Element field = elements.getItem(i);

            try {
                if (!field.hasAttribute("name"))
                    continue;
            } catch (JavaScriptException e) {
                continue; // variable is not an element
            }//  w w w . j  av  a 2  s  .c  o  m

            String type = field.getNodeName().equalsIgnoreCase("input")
                    ? field.getAttribute("type").toLowerCase()
                    : "text";

            if (type.equals("file")) {
                logger.log(Level.WARNING,
                        "An attempt to serialize a non-string value from a FormData has failed."
                                + " Files and Blobs are not supported by FormDataSerializerUrlEncoded."
                                + " Maybe you want to switch the selected FormDataSerializer via deferred binding.");
                continue;
            }

            if ((type.equals("radio") || type.equals("checkbox")) && !isChecked(field))
                continue;

            final String name = encode(getName(field));
            final String value = encode(getValue(field));
            serialized.append(name).append('=').append(value).append('&'); // append 'name=value&'
        }
        serialized.setLength(serialized.length() - 1); // remove last '&' character
        return new Payload(serialized.toString());
    }

    for (FormData.Param param : formData) {
        final Object value = param.getValue();
        if (value instanceof String) {
            // append 'name=value&'
            serialized.append(encode(param.getName())).append('=').append(encode((String) value)).append('&');
        } else {
            logger.log(Level.WARNING,
                    "An attempt to serialize a non-string value from a FormData has failed."
                            + " Files and Blobs are not supported by FormDataSerializerUrlEncoded"
                            + " You may want to switch the selected FormDataSerializer via deferred binding.");
        }
    }
    serialized.setLength(serialized.length() - 1); // remove last '&' character
    return new Payload(serialized.toString());
}

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From source file:org.datacleaner.monitor.shared.widgets.FormWizardClientController.java

License:Open Source License

@Override
public void requestNextPage(final AsyncCallback<WizardPage> callback) {
    final Map<String, List<String>> formParameters = new HashMap<String, List<String>>();

    final FormElement formElement = FormElement.as(_form);

    final NodeCollection<com.google.gwt.dom.client.Element> inputElements = formElement.getElements();
    for (int i = 0; i < inputElements.getLength(); i++) {
        final Element element = inputElements.getItem(i);

        final String name;
        final String value;
        final boolean included;

        final String tagName = element.getTagName();
        if (tagName.equalsIgnoreCase("input")) {
            InputElement inputElement = InputElement.as(element);
            name = inputElement.getName();
            value = inputElement.getValue();

            String type = inputElement.getType();
            if ("checkbox".equals(type) || "radio".equals(type)) {
                included = inputElement.isChecked();
            } else {
                included = true;// w  w  w. j a v  a  2  s  .co  m
            }
        } else {
            // useful for eg. <textarea> and <select> element types
            name = element.getPropertyString("name");
            value = element.getPropertyString("value");
            included = true;
        }

        if (included) {
            List<String> valueList = formParameters.get(name);
            if (valueList == null) {
                valueList = new ArrayList<String>();
                formParameters.put(name, valueList);
            }
            valueList.add(value);
        }
    }

    _service.nextPage(_tenant, _wizardPage.getSessionIdentifier(), formParameters, callback);
}

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From source file:rocket.dom.client.Dom.java

License:Apache License

/**
 * Populates the given map with the values of the elements belonging to the
 * given form. The element name becomes the key and teh value the entry
 * value./*from  www  .jav  a2  s  . c  o  m*/
 * 
 * FormElements without a name are skipped.
 * 
 * @param map
 *            The destination map
 * @param form
 *            The form containing the elements.
 */
public static void populateMapFromForm(final Map<String, String> map, final FormElement form) {
    Checker.notNull("parameter:map", map);
    Checker.notNull("parameter:form", form);

    final NodeCollection<Element> formElements = form.getElements();
    final int count = formElements.getLength();
    for (int i = 0; i < count; i++) {
        final Element element = formElements.getItem(i);
        final String name = element.getAttribute(DomConstants.NAME);
        if (null == name) {
            continue;
        }

        final String value = Dom.getFormSubmitValue(element);
        map.put(name, value);
    }
}

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From source file:rocket.dom.client.Dom.java

License:Apache License

/**
 * Encodes all the elements belonging to form into a safe url encoded
 * String.//from  w  w w  . j av  a2 s  .  co  m
 * 
 * @param form
 * @return
 */
public static String urlEncodeForm(final FormElement form) {
    Checker.notNull("parameter:form", form);

    final StringBuffer urlEncoded = new StringBuffer();
    boolean addSeparator = false;

    final NodeCollection<Element> formElements = form.getElements();
    final int count = formElements.getLength();
    for (int i = 0; i < count; i++) {
        final Element element = formElements.getItem(i);
        final String name = element.getAttribute(DomConstants.NAME);
        if (null == name) {
            continue;
        }

        if (addSeparator) {
            urlEncoded.append('&');
        }

        final String value = URL.encodeComponent(Dom.getFormSubmitValue(element));
        urlEncoded.append(name);
        urlEncoded.append('=');
        urlEncoded.append(value);

        addSeparator = true;
    }

    return urlEncoded.toString();
}

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