gecko/dom/public/idl/xul/nsIDOMXULContainerElement.idl

/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * The contents of this file are subject to the Mozilla Public License Version
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 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
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 * Contributor(s):
 *   Alexander Surkov <surkov.alexander@gmail.com> (original author)
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#include "nsIDOMXULElement.idl"
interface nsIDOMXULContainerElement;

[scriptable, uuid(4650e55f-4777-4271-8b62-9603a7dd4614)]
interface nsIDOMXULContainerItemElement : nsIDOMXULElement
{
  /**
   * Returns the parent container if any.
   */
  readonly attribute nsIDOMXULContainerElement parentContainer;
};

[scriptable, uuid(bc07c626-4294-43ae-9b0a-e726de0adcad)]
interface nsIDOMXULContainerElement : nsIDOMXULContainerItemElement
{
  /**
   * Creates an item for the given label and value and appends it to the
   * container.
   *
   * @param aLabel - the label for the new item
   * @param aValue - the value of the new item
   */
  nsIDOMXULElement appendItem(in DOMString aLabel, in DOMString aValue);

  /**
   * Creates an item for the given label and value and inserts it into the
   * container at the specified position.
   *
   * @param aIndex - the index where the new item will be inserted
   * @param aLabel - the label for the new item
   * @param aValue - the value of the new item
   */
  nsIDOMXULElement insertItemAt(in long aIndex, in DOMString aLabel,
                                in DOMString aValue);

  /**
   * Removes an item from the container.
   *
   * @param aIndex - index of the item to remove
   */
  nsIDOMXULElement removeItemAt(in long aIndex);

  /**
   * Returns a count of items in the container.
   */
  readonly attribute unsigned long itemCount;

  /**
   * Returns the index of an item or -1 if the item is not in the container.
   *
   * @param aItem - the item to determine the index of
   */
  long getIndexOfItem(in nsIDOMXULElement aItem);

  /**
   * Returns the item at a given index or null if the item is not is the
   * container.
   *
   * @param aIndex - the index of the item to return
   */
  nsIDOMXULElement getItemAtIndex(in long aIndex);
};