/// <summary>
/// ReAssign angle of all items
/// </summary>
//private void ReAssignAngle()
//{
// if (CarouselCanvas != null)
// {
// int count = CarouselCanvas.Children.Count;
// // Re calc the angle
// double perAngle = _2PI / count;
// for(int i=0;i<count;i++)
// {
// (CarouselCanvas.Children[i] as CarouselItem).Angle = i * perAngle;
// }
// }
//}
// Fire the SelectedItemChanged event
void OnSelectedItemChanged(ItemSource item)
{
if (SelectedItemChanged != null)
{
SelectedItemChangedEventArgs e = new SelectedItemChangedEventArgs(item);
SelectedItemChanged(this, e);
}
}
// User click the item with left mouse button
void item_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (SelectedItemViewer != null)
{
CarouselItem item = sender as CarouselItem;
ItemSource source = item.Tag as ItemSource;
SelectedItemViewer.Source = source.ImageSource;
SelectedItemViewer.Title = source.Title;
SelectedItemViewer.NavigateUri = source.NavigateUri;
OnSelectedItemChanged(source);
}
}
/// <summary>
/// Place a item to carousel canvas.
/// </summary>
/// <param name="item">The item will be placed.</param>
/// <returns>The <see cref="CarouselItem"/> just placed.</returns>
private CarouselItem PlaceItem(ItemSource item)
{
CarouselItem cItem = new CarouselItem();
cItem.Width = ItemWidth;
cItem.Height = ItemHeight;
cItem.Source = item.ImageSource;
cItem.Tag = item;
// Attach the handle
cItem.MouseLeftButtonDown += new MouseButtonEventHandler(item_MouseLeftButtonDown);
// Add item to carousel canvas
CarouselCanvas.Children.Add(cItem);
return(cItem);
}
/// <summary>
/// Initialize a new instance of <see cref="SelectedItemChangedEventArgs"/>
/// class supplies the selected item.
/// </summary>
/// <param name="selectedItem">The selected <see cref="ItemSource"/> item.</param>
public SelectedItemChangedEventArgs(ItemSource selectedItem)
{
this.SelectedItem = selectedItem;
}
