/// <summary>
/// Initiates swap between the current item and the one whose index is supplied.
/// </summary>
/// <param name="index">the index of the item in the <see cref="Items"/> collection. The index of the home element is -1.</param>
/// <returns>true on successful swap</returns>
public bool Goto(int index)
{
if (index < -2 || index >= this.Items.Count)
{
return(false);
}
//if (timer.Enabled)
// timer.Stop();
if (currentIndex == index)
{
return(true);
}
BeginRotateEventArgs ea = new BeginRotateEventArgs(currentIndex, index);
this.OnBeginRotate(this, ea);
if (ea.Cancel)
{
return(true);
}
RadItem itemToHide = GetItem(currentIndex);
RadItem itemToShow = GetItem(ea.To);
currentIndex = index;
SwapItems(itemToHide, itemToShow);
return(true);
}
private bool SwapItems(int to)
{
if (currentIndex == to)
{
timer.Stop();
return(false);
}
BeginRotateEventArgs ea = new BeginRotateEventArgs(currentIndex, to);
this.OnBeginRotate(this, ea);
if (ea.Cancel)
{
return(false);
}
if (ea.To < -1 || ea.To >= items.Count)
{
throw new ArgumentOutOfRangeException("ea.TO", "Should be a valid index in the Items collection, or -1 for default item");
}
RadItem fadeOutItem = GetItem(currentIndex);
RadItem fadeInItem = GetItem(ea.To);
SwapItems(fadeOutItem, fadeInItem);
currentIndex = ea.To;
return(true);
}
protected virtual void OnBeginRotate(object sender, BeginRotateEventArgs e)
{
BeginRotateEventHandler handler = (BeginRotateEventHandler)this.Events[BeginRotateEventKey];
if (handler != null)
{
handler(sender, e);
}
}
protected virtual void OnBeginRotate(object sender, BeginRotateEventArgs e)
{
BeginRotateEventHandler rotateEventHandler = (BeginRotateEventHandler)this.Events[RadRotatorItem.BeginRotateEventKey];
if (rotateEventHandler == null)
{
return;
}
rotateEventHandler(sender, e);
}
private bool SwapItems(int to)
{
if (this.currentIndex == to)
{
this.timer.Stop();
return(false);
}
BeginRotateEventArgs e = new BeginRotateEventArgs(this.currentIndex, to);
this.OnBeginRotate((object)this, e);
if (e.Cancel)
{
return(false);
}
if (e.To < -1 || e.To >= this.items.Count)
{
throw new ArgumentOutOfRangeException("ea.TO", "Should be a valid index in the Items collection, or -1 for default item");
}
this.SwapItems(this.GetItem(this.currentIndex), this.GetItem(e.To));
this.currentIndex = e.To;
return(true);
}
public bool Goto(int index)
{
if (index < -2 || index >= this.Items.Count)
{
return(false);
}
if (this.currentIndex == index)
{
return(true);
}
BeginRotateEventArgs e = new BeginRotateEventArgs(this.currentIndex, index);
this.OnBeginRotate((object)this, e);
if (e.Cancel)
{
return(true);
}
RadItem itemToHide = this.GetItem(this.currentIndex);
RadItem itemToShow = this.GetItem(e.To);
this.currentIndex = index;
this.SwapItems(itemToHide, itemToShow);
return(true);
}
