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/*
 * Copyright (c) 2003 World Wide Web Consortium,
 * (Massachusetts Institute of Technology, Institut National de
 * Recherche en Informatique et en Automatique, Keio University). All
 * Rights Reserved. This program is distributed under the W3C's Software
 * Intellectual Property License. This program 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 W3C License http://www.w3.org/Consortium/Legal/ for more details.
 */
 
package org.w3c.dom.html2;
 
import org.w3c.dom.DOMException;
 
/**
 * The select element allows the selection of an option. The contained options
 * can be directly accessed through the select element as a collection. See
 * the SELECT element definition in HTML 4.01.
 * <p>See also the <a href='http://www.w3.org/TR/2003/REC-DOM-Level-2-HTML-20030109'>Document Object Model (DOM) Level 2 HTML Specification</a>.
 */
public interface HTMLSelectElement extends HTMLElement {
    /**
     * The type of this form control. This is the string "select-multiple"
     * when the multiple attribute is <code>true</code> and the string
     * "select-one" when <code>false</code>.
     */
    public String getType();
 
    /**
     * The ordinal index of the selected option, starting from 0. The value -1
     * is returned if no element is selected. If multiple options are
     * selected, the index of the first selected option is returned.
     */
    public int getSelectedIndex();
    /**
     * The ordinal index of the selected option, starting from 0. The value -1
     * is returned if no element is selected. If multiple options are
     * selected, the index of the first selected option is returned.
     */
    public void setSelectedIndex(int selectedIndex);
 
    /**
     *  The current form control value (i.e. the value of the currently
     * selected option), if multiple options are selected this is the value
     * of the first selected option.
     */
    public String getValue();
    /**
     *  The current form control value (i.e. the value of the currently
     * selected option), if multiple options are selected this is the value
     * of the first selected option.
     */
    public void setValue(String value);
 
    /**
     *  The number of options in this <code>SELECT</code>.
     * @version DOM Level 2
     */
    public int getLength();
    /**
     *  The number of options in this <code>SELECT</code>.
     * @exception DOMException
     *    NOT_SUPPORTED_ERR: if setting the length is not allowed by the
     *   implementation.
     * @version DOM Level 2
     */
    public void setLength(int length)
                      throws DOMException;
 
    /**
     * Returns the <code>FORM</code> element containing this control. Returns
     * <code>null</code> if this control is not within the context of a
     * form.
     */
    public HTMLFormElement getForm();
 
    /**
     * The collection of <code>OPTION</code> elements contained by this
     * element.
     * @version DOM Level 2
     */
    public HTMLOptionsCollection getOptions();
 
    /**
     * The control is unavailable in this context. See the disabled attribute
     * definition in HTML 4.01.
     */
    public boolean getDisabled();
    /**
     * The control is unavailable in this context. See the disabled attribute
     * definition in HTML 4.01.
     */
    public void setDisabled(boolean disabled);
 
    /**
     * If true, multiple <code>OPTION</code> elements may be selected in this
     * <code>SELECT</code>. See the multiple attribute definition in HTML
     * 4.01.
     */
    public boolean getMultiple();
    /**
     * If true, multiple <code>OPTION</code> elements may be selected in this
     * <code>SELECT</code>. See the multiple attribute definition in HTML
     * 4.01.
     */
    public void setMultiple(boolean multiple);
 
    /**
     * Form control or object name when submitted with a form. See the name
     * attribute definition in HTML 4.01.
     */
    public String getName();
    /**
     * Form control or object name when submitted with a form. See the name
     * attribute definition in HTML 4.01.
     */
    public void setName(String name);
 
    /**
     * Number of visible rows. See the size attribute definition in HTML 4.01.
     */
    public int getSize();
    /**
     * Number of visible rows. See the size attribute definition in HTML 4.01.
     */
    public void setSize(int size);
 
    /**
     * Index that represents the element's position in the tabbing order. See
     * the tabindex attribute definition in HTML 4.01.
     */
    public int getTabIndex();
    /**
     * Index that represents the element's position in the tabbing order. See
     * the tabindex attribute definition in HTML 4.01.
     */
    public void setTabIndex(int tabIndex);
 
    /**
     * Add a new element to the collection of <code>OPTION</code> elements for
     * this <code>SELECT</code>. This method is the equivalent of the
     * <code>appendChild</code> method of the <code>Node</code> interface if
     * the <code>before</code> parameter is <code>null</code>. It is
     * equivalent to the <code>insertBefore</code> method on the parent of
     * <code>before</code> in all other cases. This method may have no
     * effect if the new element is not an <code>OPTION</code> or an
     * <code>OPTGROUP</code>.
     * @param element The element to add.
     * @param before The element to insert before, or <code>null</code> for
     *   the tail of the list.
     * @exception DOMException
     *   NOT_FOUND_ERR: Raised if <code>before</code> is not a descendant of
     *   the <code>SELECT</code> element.
     */
    public void add(HTMLElement element,
                    HTMLElement before)
                    throws DOMException;
 
    /**
     * Remove an element from the collection of <code>OPTION</code> elements
     * for this <code>SELECT</code>. Does nothing if no element has the
     * given index.
     * @param index The index of the item to remove, starting from 0.
     */
    public void remove(int index);
 
    /**
     * Removes keyboard focus from this element.
     */
    public void blur();
 
    /**
     * Gives keyboard focus to this element.
     */
    public void focus();
 
}