/// <summary>
/// Selects the template.
/// </summary>
/// <param name="item">The diagram.</param>
/// <param name="element">The element.</param>
/// <returns></returns>
public DataTemplate SelectTemplate(IMarbleDiagramContext marbleDiagram, FrameworkElement element)
{
DataTemplate template = null;
if (marbleDiagram.Name.StartsWith("StockGraph"))
{
template = element.FindResource("StockDiagramGraphTemplate") as DataTemplate;
}
return(template);
}
/// <summary>
/// Clones the specified diagram.
/// </summary>
/// <param name="diagram">The diagram.</param>
/// <returns></returns>
public MarbleItemViewModel Clone(IMarbleDiagramContext diagram)
{
var marble = new MarbleItemViewModel(Item);
var item = marble.Item;
marble.MainContext = diagram.MainContext;
marble.DiagramContext = diagram;
marble.Color = diagram.Color;
return(marble);
}
/// <summary>
/// Selects the template.
/// </summary>
/// <param name="item">The diagram.</param>
/// <param name="element">The element.</param>
/// <returns></returns>
public DataTemplate SelectTemplate(IMarbleDiagramContext marbleDiagram, FrameworkElement element)
{
DataTemplate template = null;
if (marbleDiagram.Name == "Stock")
{
marbleDiagram.Height = 70;
//template = element.FindResource("StockDiagramTemplate") as DataTemplate;
}
return(template);
}
/// <summary>
/// Translates the offset.
/// </summary>
/// <param name="itemWrapper">The item wrapper.</param>
/// <returns></returns>
public double TranslateOffset(MarbleItemViewModel itemWrapper)
{
#region Validation
if (itemWrapper == null)
{
throw new NullReferenceException("itemWrapper");
}
#endregion Validation
MarbleBase item = itemWrapper.Item;
TimeSpan offset = item.Offset;
IMarbleDiagramContext diagram = itemWrapper.DiagramContext;
double totalSeconds = offset.TotalSeconds;
double initTimeInSeconds = _initTimeInSeconds;
double totalSecondsByDiagram;
if (_initTimeInSeconds == -1)
{
initTimeInSeconds = Interlocked.CompareExchange(ref _initTimeInSeconds, totalSeconds, -1);
}
totalSecondsByDiagram = diagram.GetLocalTimeInSeconds(totalSeconds);
#region totalSeconds = ... (PositioningStrategy)
switch (diagram.PositioningStrategy)
{
case MarblePositioningStrategy.GlobalTime:
totalSeconds -= _initTimeInSeconds;
totalSeconds = TranslateByFactor(offset, totalSeconds);
break;
case MarblePositioningStrategy.PrivateTime:
totalSeconds = TranslateByFactor(offset, totalSecondsByDiagram);
break;
case MarblePositioningStrategy.Sequence:
totalSeconds = itemWrapper.Sequence;
break;
}
#endregion totalSeconds = ... (PositioningStrategy)
int correction = diagram.Size + MarbleDiagramModel.DIAGRAM_WIDTH_CORRECTION;
double result = totalSeconds * (itemWrapper.DiagramContext.Size * 2 + 5);
if ((item.Kind == MarbleKind.OnCompleted || item.Kind == MarbleKind.OnError) &&
diagram.PositioningStrategy != MarblePositioningStrategy.Sequence)
{
result += itemWrapper.DiagramContext.Size;
}
double candidateWidth = result + correction;
if (candidateWidth > _diagramWidth)
{
_diagramWidth = candidateWidth;
PropertyChanged(this, new PropertyChangedEventArgs("DiagramWidth"));
}
return(result);
}
