/// <summary>
/// Checks if the client can do the command</summary>
/// <param name="commandTag">Command</param>
/// <returns>True if client can do the command</returns>
bool ICommandClient.CanDoCommand(object commandTag)
{
bool canDo = false;
if (commandTag is StandardCommand)
{
IViewingContext viewingContext = m_contextRegistry.GetActiveContext <IViewingContext>();
switch ((StandardCommand)commandTag)
{
case StandardCommand.ViewFrameSelection:
ISelectionContext selectionContext = m_contextRegistry.GetActiveContext <ISelectionContext>();
if (viewingContext != null && selectionContext != null)
{
canDo = viewingContext.CanFrame(selectionContext.Selection);
}
break;
case StandardCommand.ViewFrameAll:
IEnumerableContext enumerableContext = m_contextRegistry.GetActiveContext <IEnumerableContext>();
if (viewingContext != null && enumerableContext != null)
{
canDo = viewingContext.CanFrame(enumerableContext.Items);
}
break;
}
}
return(canDo);
}
/// <summary>
/// Frames the selection</summary>
/// <param name="viewingContext">Active viewing context</param>
/// <param name="items">Selected items</param>
public void FrameSelection(IViewingContext viewingContext, IEnumerable<object> items)
{
if (viewingContext != null)
{
if (viewingContext.CanFrame(items))
viewingContext.Frame(items);
}
}
/// <summary>
/// Frames the selection</summary>
/// <param name="viewingContext">Active viewing context</param>
/// <param name="items">Selected items</param>
public void FrameSelection(IViewingContext viewingContext, IEnumerable <object> items)
{
if (viewingContext != null)
{
if (viewingContext.CanFrame(items))
{
viewingContext.Frame(items);
}
}
}
/// <summary>
/// Frames items</summary>
/// <param name="viewingContext">Active viewing context</param>
/// <param name="items">Items to be framed</param>
public void FrameAll(IViewingContext viewingContext, IEnumerable<object> items)
{
if (items != null &&
viewingContext != null)
{
if (viewingContext.CanFrame(items))
viewingContext.Frame(items);
}
}