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Vaadin is a web application framework for Rich Internet Applications (RIA). Vaadin enables easy development and maintenance of fast and secure rich web applications with a stunning look and feel and a wide browser support. It features a server-side architecture with the majority of the logic running on the server. Ajax technology is used at the browser-side to ensure a rich and interactive user experience.

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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;

import com.google.gwt.core.client.JavaScriptObject;

/**
 * Create a grid of frames.
 * 
 * @see W3C HTML Specification
 */
@TagName(FrameSetElement.TAG)
public class FrameSetElement extends Element {

  public static final String TAG = "frameset";

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

  /**
   * Determines whether the given {@link JavaScriptObject} can be cast to
   * this class. A null object will cause this method to
   * return false.
   */
  public static boolean is(JavaScriptObject o) {
    if (Element.is(o)) {
      return is((Element) o);
    }
    return false;
  }

  /**
   * Determine whether the given {@link Node} can be cast to this class.
   * A null node will cause this method to return
   * false.
   */
  public static boolean is(Node node) {
    if (Element.is(node)) {
      return is((Element) node);
    }
    return false;
  }
  
  /**
   * Determine whether the given {@link Element} can be cast to this class.
   * A null node will cause this method to return
   * false.
   */
  public static boolean is(Element elem) {
    return elem != null && elem.hasTagName(TAG);
  }

  protected FrameSetElement() {
  }

  /**
   * The number of columns of frames in the frameset.
   * 
   * @see W3C HTML Specification
   */
  public final native String getCols() /*-{
     return this.cols;
   }-*/;

  /**
   * The number of rows of frames in the frameset.
   * 
   * @see W3C HTML Specification
   */
  public final native String getRows() /*-{
     return this.rows;
   }-*/;

  /**
   * The number of columns of frames in the frameset.
   * 
   * @see W3C HTML Specification
   */
  public final native void setCols(String cols) /*-{
     this.cols = cols;
   }-*/;

  /**
   * The number of rows of frames in the frameset.
   * 
   * @see W3C HTML Specification
   */
  public final native void setRows(String rows) /*-{
     this.rows = rows;
   }-*/;
}