/// <summary>
/// Handler for <see cref="TextElement"/> being inserted in the collection.
/// </summary>
/// <param name="index">Index of the <see cref="TextElement"/></param>
/// <param name="value">Value of the <see cref="TextElement"/> </param>
private void OnInserted(int index, TextElement value)
{
if (string.IsNullOrEmpty(value.Text))
{
value.Text = GetDefaultText();
}
value.SetParent(this);
if (DesignMode)
{
Container.Add(value);
}
maxHeight = GetMaxHeight();
}
/// <summary>
/// Utility method to take a list of Product objects and wrap the
/// in TextElements. TextElements are like label controls for a SuperMarquee
/// control.
/// </summary>
/// <param name="products">the list of products to wrap in
/// TextElement controls for placement into a marquee</param>
/// <returns>returns a list of TextElement controls</returns>
static List<TextElement> GetTextElements(IList<Product> products)
{
List<TextElement> ret = new List<TextElement>();
for (int i = 0; i < products.Count; i++)
{
const string fontName = "Segoe UI";
const float fontSize = 12f;
ret.Add(new TextElement((i + 1).ToString())
{
Font = new Font(fontName, fontSize)
});
TextElement element = new TextElement(products[i].ToString())
{
IsLink = true,
ForeColor = Color.Blue,
Tag = products[i],
Font = new Font(fontName, fontSize, FontStyle.Underline)
};
ret.Add(element);
}
return ret;
}
/// <summary>
/// Handler for <see cref="TextElement"/> removed from the collection.
/// </summary>
/// <param name="index">Index of the <see cref="TextElement"/></param>
/// <param name="value">Value of the <see cref="TextElement"/> </param>
private void OnRemoved(int index, TextElement value)
{
maxHeight = GetMaxHeight();
}