/// <summary>
/// Add an item to the combo box.
/// </summary>
/// <param name="value">ConfigText of the item.</param>
/// <param name="imagePath">Optional image to load.</param>
public void AddItem(string value, string imagePath)
{
var item = new ListBoxItem(value, value)
{
ImagePath = imagePath
};
this.DropDownList.AddListItem(item);
}
/// <summary>
/// Removes the given list item from my list.
/// </summary>
/// <param name="item">The item.</param>
public void RemoveListItem(ListBoxItem item)
{
var removedItem = false;
foreach (var cmbItem in this.ListBoxItems)
{
if (cmbItem == item)
{
this.Children.Remove(cmbItem);
// Ensure scrollbar uses relevant scroll area
this.totalListHeight -= (int)(cmbItem.State.Height + DefaultLineSpacing);
if (this.totalListHeight < (this.State.Height - DefaultLineSpacing))
{
this.scrollBarVertical.Config.Visible = false;
}
this.ScaleScrollBar();
removedItem = true;
break;
}
}
if (removedItem)
{
this.ListBoxItems.Remove(item);
this.RefreshAllListBoxSizes();
}
}
/// <summary>
/// Refresh the X size based on whether the vertical scrollbar is visible
/// </summary>
/// <param name="item">The item to resize.</param>
private void RefreshListBoxItemSize(ListBoxItem item)
{
DVector2 size;
if (this.scrollBarVertical.Config.Visible)
{
size = new DVector2(
this.Config.Width - (2f * this.Theme.ControlLargeSpacing) - this.scrollBarVertical.Config.Width,
item.Config.Height);
}
else
{
size = new DVector2(
this.Config.Width - (2f * this.Theme.ControlLargeSpacing),
item.Config.Height);
}
item.State.Width = size.X;
item.State.Height = size.Y;
}
/// <summary>Adds a list-box-item to me,</summary>
/// <param name="listBoxItem">The list box item.</param>
/// <exception cref="System.ArgumentNullException">ListBoxItem is null.</exception>
public void AddListItem(ListBoxItem listBoxItem)
{
#if DEBUG
if (listBoxItem == null)
{
throw new ArgumentNullException("listBoxItem");
}
#endif
// get where to place the next item
var currentY = this.CalculateTotalListHeight();
var newY = currentY + this.Theme.ControlLargeSpacing;
var newWidth = this.Config.Width - (this.Theme.ControlLargeSpacing * 2);
this.AddControl(listBoxItem);
this.ListBoxItems.Add(listBoxItem);
listBoxItem.Theme = this.Theme;
listBoxItem.Config.Visible = false;
listBoxItem.Config.PositionX = this.Theme.ControlLargeSpacing;
listBoxItem.Config.PositionY = newY;
listBoxItem.Config.Width = newWidth;
listBoxItem.Config.Visible = true;
// Ensure scrollbar uses relevant scroll area
this.mustRedrawVerticalScrollBar = true;
listBoxItem.ItemPressed += this.OnSelect;
}
