gecko/dom/interfaces/xul/nsIDOMXULContainerElement.idl

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 * The Original Code is mozilla.org code.
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 * 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(42897cc8-190f-4483-a2c1-807fc76d9e78)]
interface nsIDOMXULContainerItemElement : nsIDOMXULElement
{
  /**
   * Returns the parent container if any.
   */
  readonly attribute nsIDOMXULContainerElement parentContainer;
};

[scriptable, uuid(ffa9129c-d183-4a2d-82e0-18135a57286e)]
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);
};