/// <summary>
/// Create the event used when a menu item has been selected.
/// </summary>
/// <param name="item">The selected item.</param>
public MenuItemSelectEventArgs(MenuItem item)
{
//Pass along the data.
_Item = item;
}
/// <summary>
/// A menu item has been selected.
/// </summary>
/// <param name="item">The selected menu item.</param>
private void MenuItemSelectInvoke(MenuItem item)
{
//Save the selected item.
_SelectedItem = item;
//If someone has hooked up a delegate to the event, fire it.
if (MenuItemSelect != null) { MenuItemSelect(this, new MenuItemSelectEventArgs(item)); }
}
/// <summary>
/// Move an item upwards in the menu.
/// </summary>
/// <param name="item">The menu item to move.</param>
/// <returns>Whether the operation was succesful or not. For instance if the node already is at the top, this method will return false.</returns>
public bool MoveNodeUp(MenuItem item)
{
//First see if the item actually exists in this list.
if (_Items.Exists(n => (n.Equals(item))))
{
//Get the index position of the item.
int index = _Items.FindIndex(i => (i.Equals(item)));
//If the item can climb in the list.
if (index != 0)
{
//Remove the item from the list.
_Items.Remove(item);
//Insert the item at one step up from its past position in the list.
_Items.Insert((index - 1), item);
//Wrap it all up by returning true.
return true;
}
//Otherwise return false.
else { return false; }
}
//Otherwise return false.
else { return false; }
}
/// <summary>
/// Subscribe to an item's events.
/// </summary>
private void AddItemEvents(MenuItem item)
{
//Hook up some events.
item.MouseClick += OnMenuItemClick;
item.ItemSelect += OnMenuOptionSelect;
}
/// <summary>
/// Insert a menu item.
/// </summary>
/// <param name="index">The index of where to insert the menu item.</param>
/// <param name="item">The menu item to insert.</param>
public void InsertMenuItem(int index, MenuItem item)
{
//Insert the item to the list.
_Items.Insert(index, item);
//Hook up some events.
AddItemEvents((MenuItem)_Items[_Items.Count - 1]);
}