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/* DomHTMLSelectElement.java --
   Copyright (C) 2005 Free Software Foundation, Inc.
 
This file is part of GNU Classpath.
 
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
 
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
 
Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
 
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module.  An independent module is a module which is not derived from
or based on this library.  If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so.  If you do not wish to do so, delete this
exception statement from your version. */
 
package gnu.xml.dom.html2;
 
import gnu.xml.dom.DomDOMException;
import org.w3c.dom.DOMException;
import org.w3c.dom.html2.HTMLElement;
import org.w3c.dom.html2.HTMLFormElement;
import org.w3c.dom.html2.HTMLOptionElement;
import org.w3c.dom.html2.HTMLOptionsCollection;
import org.w3c.dom.html2.HTMLSelectElement;
 
/**
 * An HTML 'SELECT' element node.
 *
 * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
 */
public class DomHTMLSelectElement
  extends DomHTMLElement
  implements HTMLSelectElement
{
 
  protected DomHTMLSelectElement(DomHTMLDocument owner, String namespaceURI,
                                 String name)
  {
    super(owner, namespaceURI, name);
  }
 
  public String getType()
  {
    return getHTMLAttribute("type");
  }
 
  public int getSelectedIndex()
  {
    HTMLOptionsCollection options = getOptions();
    int len = options.getLength();
    for (int i = 0; i < len; i++)
      {
        HTMLOptionElement option = (HTMLOptionElement) options.item(i);
        if (option.getSelected())
          {
            return i;
          }
      }
    return -1;
  }
 
  public void setSelectedIndex(int selectedIndex)
  {
    HTMLOptionsCollection options = getOptions();
    int len = options.getLength();
    if (selectedIndex < 0 || selectedIndex >= len)
      {
        throw new DomDOMException(DOMException.INDEX_SIZE_ERR);
      }
    for (int i = 0; i < len; i++)
      {
        HTMLOptionElement option = (HTMLOptionElement) options.item(i);
        option.setSelected(i == selectedIndex);
      }
  }
 
  public String getValue()
  {
    return getHTMLAttribute("value");
  }
 
  public void setValue(String value)
  {
    setHTMLAttribute("value", value);
  }
 
  public int getLength()
  {
    return getIntHTMLAttribute("length");
  }
 
  public void setLength(int length)
  {
    setIntHTMLAttribute("length", length);
  }
 
  public HTMLFormElement getForm()
  {
    return (HTMLFormElement) getParentElement("form");
  }
 
  public HTMLOptionsCollection getOptions()
  {
    DomHTMLCollection ret =
      new DomHTMLCollection((DomHTMLDocument) getOwnerDocument(), this);
    ret.addNodeName("option");
    ret.evaluate();
    return ret;
  }
 
  public boolean getDisabled()
  {
    return getBooleanHTMLAttribute("disabled");
  }
 
  public void setDisabled(boolean disabled)
  {
    setBooleanHTMLAttribute("disabled", disabled);
  }
 
  public boolean getMultiple()
  {
    return getBooleanHTMLAttribute("multiple");
  }
 
  public void setMultiple(boolean multiple)
  {
    setBooleanHTMLAttribute("multiple", multiple);
  }
 
  public String getName()
  {
    return getHTMLAttribute("name");
  }
 
  public void setName(String name)
  {
    setHTMLAttribute("name", name);
  }
 
  public int getSize()
  {
    return getIntHTMLAttribute("size");
  }
 
  public void setSize(int size)
  {
    setIntHTMLAttribute("size", size);
  }
 
  public int getTabIndex()
  {
    return getIntHTMLAttribute("tabindex");
  }
 
  public void setTabIndex(int tabIndex)
  {
    setIntHTMLAttribute("tabindex", tabIndex);
  }
 
  public void add(HTMLElement element, HTMLElement before)
  {
    insertBefore(before, element);
  }
 
  public void remove(int index)
  {
    HTMLOptionsCollection options = getOptions();
    int len = options.getLength();
    if (index < 0 || index >= len)
      {
        throw new DomDOMException(DOMException.INDEX_SIZE_ERR);
      }
    HTMLOptionElement option = (HTMLOptionElement) options.item(index);
    option.getParentNode().removeChild(option);
  }
 
  public void blur()
  {
    dispatchUIEvent("blur");
  }
 
  public void focus()
  {
    dispatchUIEvent("focus");
  }
 
}