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/*
 * Copyright 2008 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.gwt.dom.client;

/**
 * The FORM element encompasses behavior similar to a collection and an element.
 * It provides direct access to the contained form controls as well as the
 * attributes of the form element.
 * 
 * @see W3C HTML Specification
 */
@TagName(FormElement.TAG)
public class FormElement extends Element {

  public static final String TAG = "form";

  /**
   * Assert that the given {@link Element} is compatible with this class and
   * automatically typecast it.
   */
  public static FormElement as(Element elem) {
    assert elem.getTagName().equalsIgnoreCase(TAG);
    return (FormElement) elem;
  }

  protected FormElement() {
  }

  /**
   * List of character sets supported by the server.
   * 
   * @see W3C HTML Specification
   */
  public final native String getAcceptCharset() /*-{
    return this.acceptCharset;
  }-*/;

  /**
   * Server-side form handler.
   * 
   * @see W3C HTML Specification
   */
  public final native String getAction() /*-{
    return this.action;
  }-*/;

  /**
   * Returns a collection of all form control elements in the form.
   */
  public final native NodeCollection getElements() /*-{
    return this.elements;
  }-*/;

  /**
   * The content type of the submitted form, generally
   * "application/x-www-form-urlencoded".
   * 
   * Note: The onsubmit even handler is not guaranteed to be triggered when
   * invoking this method. The behavior is inconsistent for historical reasons
   * and authors should not rely on a particular one.
   * 
   * @see W3C HTML Specification
   */
  public final native String getEnctype() /*-{
    return this.enctype;
  }-*/;

  /**
   * HTTP method [IETF RFC 2616] used to submit form.
   * 
   * @see W3C HTML Specification
   */
  public final native String getMethod() /*-{
    return this.method;
  }-*/;

  /**
   * Names the form.
   */
  public final native String getName() /*-{
    return this.name;
  }-*/;

  /**
   * Frame to render the resource in.
   * 
   * @see W3C HTML Specification
   */
  public final native String getTarget() /*-{
    return this.target;
  }-*/;

  /**
   * Restores a form element's default values. It performs the same action as a
   * reset button.
   */
  public final native void reset() /*-{
    this.reset();
  }-*/;

  /**
   * List of character sets supported by the server.
   * 
   * @see W3C HTML Specification
   */
  public final native void setAcceptCharset(String acceptCharset) /*-{
    this.acceptCharset = acceptCharset;
  }-*/;

  /**
   * Server-side form handler.
   * 
   * @see W3C HTML Specification
   */
  public final native void setAction(String action) /*-{
    this.action = action;
  }-*/;

  /**
   * The content type of the submitted form, generally
   * "application/x-www-form-urlencoded".
   * 
   * Note: The onsubmit even handler is not guaranteed to be triggered when
   * invoking this method. The behavior is inconsistent for historical reasons
   * and authors should not rely on a particular one.
   * 
   * @see W3C HTML Specification
   */
  public final native void setEnctype(String enctype) /*-{
    this.enctype = enctype;
  }-*/;

  /**
   * HTTP method [IETF RFC 2616] used to submit form.
   * 
   * @see W3C HTML Specification
   */
  public final native void setMethod(String method) /*-{
    this.method = method;
  }-*/;

  /**
   * Names the form.
   */
  public final native void setName(String name) /*-{
    this.name = name;
  }-*/;

  /**
   * Frame to render the resource in.
   * 
   * @see W3C HTML Specification
   */
  public final native void setTarget(String target) /*-{
    this.target = target;
  }-*/;

  /**
   * Submits the form. It performs the same action as a submit button.
   */
  public final native void submit() /*-{
    this.submit();
  }-*/;
}




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