/// <summary>
/// An item in the list has been selected.
/// </summary>
/// <param name="obj">The object that fired the event.</param>
/// <param name="e">The event's arguments.</param>
private void OnItemSelect(object obj, ListItemSelectEventArgs e)
{
//Change the selected item.
_SelectedItem = e.Item;
//Invoke the event.
ItemSelectInvoke(e.Item);
}
/// <summary>
/// Initialize the menu item.
/// </summary>
/// <param name="gui">The GUI that this menu item will be a part of.</param>
/// <param name="position">The position of this menu item.</param>
/// <param name="height">The height of this menu item.</param>
/// <param name="width">The width of this menu item.</param>
protected override void Initialize(GraphicalUserInterface gui, Vector2 position, float width, float height)
{
//The inherited method.
base.Initialize(gui, position, width, height);
//Intialize some variables.
_Label = new Label(GUI, Position, Width, 30);
_List = new List(GUI, new Vector2(Position.X, (Position.Y + (_Label.Height + 2))), Width, 118);
_List.IsActive = false;
_SelectedItem = null;
_State = MenuState.Closed;
_Label.Text = "";
//Add the controls.
Add(_Label);
Add(_List);
//Hook up some events.
_Label.MouseClick += OnLabelClick;
_List.ItemSelect += OnItemSelect;
}
/// <summary>
/// Tell the world that a child item has been pressed.
/// </summary>
/// <param name="item">The particular item.</param>
protected virtual void ItemSelectInvoke(ListItem item)
{
//If someone has hooked up a delegate to the event, fire it.
if (ItemSelect != null) { ItemSelect(this, new ListItemSelectEventArgs(item)); }
}
/// <summary>
/// Create the event used when a bone has been created by an item.
/// </summary>
/// <param name="item">The created bone.</param>
public ListItemAddedEventArgs(ListItem item)
{
//Pass along the data.
_Item = item;
}
/// <summary>
/// Create the event used when an list item has been selected.
/// </summary>
/// <param name="item">The selected item.</param>
public ListItemSelectEventArgs(ListItem item)
{
//Pass along the data.
_Item = item;
}
/// <summary>
/// A menu item's list item has been selected.
/// </summary>
/// <param name="item">The selected list item.</param>
private void MenuOptionSelectInvoke(ListItem item)
{
//If someone has hooked up a delegate to the event, fire it.
if (MenuOptionSelect != null) { MenuOptionSelect(this, new ListItemSelectEventArgs(item)); }
}
/// <summary>
/// An item in the list has been selected.
/// </summary>
/// <param name="obj">The object that fired the event.</param>
/// <param name="e">The event's arguments.</param>
private void OnItemSelect(object obj, ListItemSelectEventArgs e)
{
//Change the selected item.
_SelectedItem = e.Item;
//Change the displayed tag and text.
_Label.Tag = (_SelectedItem as LabelListItem).Label.Tag;
_Label.Text = (_SelectedItem as LabelListItem).Label.Text;
//Fire the item select event.
ItemSelectInvoke(e.Item);
}
/// <summary>
/// Initialize the combobox.
/// </summary>
/// <param name="gui">The GUI that this combobox will be a part of.</param>
/// <param name="position">The position of this combobox.</param>
/// <param name="height">The height of this combobox.</param>
/// <param name="width">The width of this combobox.</param>
protected override void Initialize(GraphicalUserInterface gui, Vector2 position, float width, float height)
{
//The inherited method.
base.Initialize(gui, position, width, height);
//Intialize some variables.
_Ratio = .1f;
_Label = new Label(GUI, Position, (Width * (1 - _Ratio)), Height);
_Button = new Button(GUI, new Vector2((Position.X + (Width * (1 - _Ratio))), Position.Y), (Width * _Ratio), Height);
_List = new List(GUI, new Vector2(Position.X, (Position.Y + (_Label.Height + 2))), Width, 118);
_List.IsActive = false;
_SelectedItem = null;
_State = ComboboxState.Closed;
_Label.Text = "";
//Add the items.
Add(_Label);
Add(_Button);
Add(_List);
//Hook up some events.
_List.ItemSelect += OnItemSelect;
_Button.MouseClick += OnButtonClick;
}
/// <summary>
/// An item has been selected.
/// </summary>
/// <param name="item">The selected item.</param>
protected virtual void ItemSelectInvoke(Component item)
{
//Save the selected item.
_SelectedItem = (ListItem)item;
//If someone has hooked up a delegate to the event, fire it.
if (ItemSelect != null) { ItemSelect(this, new ListItemSelectEventArgs((ListItem)item)); }
}
/// <summary>
/// Move an item upwards in the list.
/// </summary>
/// <param name="item">The 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(ListItem 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; }
}
