/// <summary>
/// Creates a ScrollBar HUD element with the specified parameters.
/// </summary>
public ScrollBar(Game game, UIController controller, Vector2? position, float length,
ListBoxStateMachine listBox,
ScrollBarStateMachine scrollBar, UIElement parent)
: base(game, controller, null, position,
scrollBar.NumberOfPixelsInHorizontalAxis,
scrollBar.NumberOfPixelsInVerticalAxis,
parent)
{
if (scrollBar.Orientation != Orientation.Horizontal)
{
throw new InvalidOperationException(Properties.Resources.ScrollBarStateMachineShouldBeHorizontal);
}
this.listBox = listBox;
StateMachine = scrollBar;
StateMachine.Tag = this;
StateMachine.MaximumFlickVelocity = MaximumFlickVelocity;
scrollBarLength = length;
}
/// <summary>
/// Clears an item.
/// </summary>
internal void ResetItem()
{
IsPressed = false;
IsSelected = false;
IsVisible = false;
parent = null;
}
/// <summary>
/// Creates a ScrollBar HUD element with the specified parent UIElement.
/// </summary>
public ScrollBar(UIElement parent, Vector2? position, float length,
ListBoxStateMachine listBox, ScrollBarStateMachine scrollBar)
: this(parent.Game, parent.Controller, position, length, listBox, scrollBar, parent)
{
// Empty.
}
/// <summary>
/// Creates a Listbox UIElement that may or may not have a parent UIElement.
/// </summary>
/// <param name="game">XNA Game that contains this ListBox</param>
/// <param name="contoller">UIController to associate with the ListBoxStateMachine.</param>
/// <param name="x">X-coordinate of elements position (relative or screen).</param>
/// <param name="y">Y-coordinate of elements position (relative or screen).</param>
/// <param name="width">Width of the ListBox in pixels.</param>
/// <param name="height">Height of the ListBox in pixels.</param>
/// <param name="parent">UIElement that contains the Listbox.</param>
/// <param name="textiles">Textiles UIElement controlled by this list box</param>
public ListBox(Game game, UIController contoller, float x, float y, int width, int height,
UIElement parent, Textiles textiles)
: base(game, contoller, new Vector2(x, y), width, height, parent)
{
listBoxStateMachine = new ListBoxStateMachine(Controller, (int)width, (int)height)
{
SelectionMode = SelectionMode.Single,
Orientation = Orientation.Horizontal,
HorizontalElasticity = 0.0f,
VerticalElasticity = 0.0f,
HorizontalViewportSize = 1f,
VerticalViewportSize = 1f,
};
StateMachine = listBoxStateMachine;
StateMachine.Tag = this;
this.textiles = textiles;
listBoxStateMachine.ItemStateChanged += OnItemStateChanged;
iconScale = new Vector2((float)iconWidth / itemWidth, (float)iconHeight / itemHeight);
UIContainer container = parent as UIContainer;
if (container != null)
{
// Create the scrollbar and position it below the listbox.
int offset = Convert.ToInt32(Top - parent.Top + Height);
Vector2 position = UIElement.CenterHorizontal(offset, scrollBarBackgroundHeight, container);
ScrollBar = new ScrollBar(parent, position, width, listBoxStateMachine,
listBoxStateMachine.HorizontalScrollBarStateMachine);
// Create the Maximze/Minimize button and position it above the listbox.
offset = Convert.ToInt32(Top - parent.Top - buttonHeight);
position = UIElement.CenterHorizontal(offset, (float) buttonHeight, Parent);
minMaxButton = new Button(parent, position, buttonWidth, buttonHeight);
minMaxButton.Name = "button";
minMaxButton.AutoScaleTexture = false;
}
else
{
throw new InvalidOperationException(Properties.Resources.ListBoxShouldBeInUIContainer);
}
}
