private static bool ShouldAutoScrollingStop(DiagramScrollingInfo diagramInfo)
{
return(diagramInfo.AutoScrollingDirection == ScrollingDirection.None ||
(!diagramInfo.ConnectionTool.IsActive &&
!diagramInfo.ConnectionManipulationTool.IsActive &&
!diagramInfo.DraggingService.IsDragging));
}
private static void UpdateConnectionPosition(DiagramScrollingInfo diagramInfo, Point mousePosition, Point transformedPosition)
{
var arguments = new PointerArgs(mousePosition, transformedPosition);
diagramInfo.ConnectionTool.MouseMove(arguments);
diagramInfo.ConnectionManipulationTool.MouseMove(arguments);
}
private static DiagramScrollingInfo CreateDiagramInfo(RadDiagram diagram)
{
var toolService = diagram.ServiceLocator.GetService <IToolService>() as ToolService;
var diagramInfo = new DiagramScrollingInfo()
{
ConnectionTool = (ConnectionTool)toolService.FindTool(ConnectionTool.ToolName),
ConnectionManipulationTool = (ConnectionManipulationTool)toolService.FindTool(ConnectionManipulationTool.ToolName),
ScrollingTimer = new DispatcherTimer()
{
Interval = TimeSpan.FromMilliseconds(1)
},
DraggingService = (DraggingService)diagram.ServiceLocator.GetService <IDraggingService>(),
};
return(diagramInfo);
}
private static void ScrollDiagram(DiagramScrollingInfo diagramInfo, RadDiagram diagram)
{
switch (diagramInfo.AutoScrollingDirection)
{
case ScrollingDirection.Up:
diagram.Scroll(0, ConnectionManipulationAutoScrollBehavior.ScrollingStep);
break;
case ScrollingDirection.Down:
diagram.Scroll(0, -ConnectionManipulationAutoScrollBehavior.ScrollingStep);
break;
case ScrollingDirection.Right:
diagram.Scroll(-ConnectionManipulationAutoScrollBehavior.ScrollingStep, 0);
break;
case ScrollingDirection.Left:
diagram.Scroll(ConnectionManipulationAutoScrollBehavior.ScrollingStep, 0);
break;
}
}
private static bool IsAutoScrollingAllowed(DiagramScrollingInfo diagramInfo)
{
return diagramInfo.ConnectionTool.IsActive ||
diagramInfo.ConnectionManipulationTool.IsActive ||
diagramInfo.DraggingService.IsDragging;
}
private static bool ShouldAutoScrollingStop(DiagramScrollingInfo diagramInfo)
{
return diagramInfo.AutoScrollingDirection == ScrollingDirection.None ||
(!diagramInfo.ConnectionTool.IsActive &&
!diagramInfo.ConnectionManipulationTool.IsActive &&
!diagramInfo.DraggingService.IsDragging);
}
private static void ScrollDiagram(DiagramScrollingInfo diagramInfo, RadDiagram diagram)
{
switch (diagramInfo.AutoScrollingDirection)
{
case ScrollingDirection.Up:
diagram.Scroll(0, ConnectionManipulationAutoScrollBehavior.ScrollingStep);
break;
case ScrollingDirection.Down:
diagram.Scroll(0, -ConnectionManipulationAutoScrollBehavior.ScrollingStep);
break;
case ScrollingDirection.Right:
diagram.Scroll(-ConnectionManipulationAutoScrollBehavior.ScrollingStep, 0);
break;
case ScrollingDirection.Left:
diagram.Scroll(ConnectionManipulationAutoScrollBehavior.ScrollingStep, 0);
break;
}
}
private static void UpdateConnectionPosition(DiagramScrollingInfo diagramInfo, Point mousePosition, Point transformedPosition)
{
var arguments = new PointerArgs(mousePosition, transformedPosition);
diagramInfo.ConnectionTool.MouseMove(arguments);
diagramInfo.ConnectionManipulationTool.MouseMove(arguments);
}
private static DiagramScrollingInfo CreateDiagramInfo(RadDiagram diagram)
{
var toolService = diagram.ServiceLocator.GetService<IToolService>() as ToolService;
var diagramInfo = new DiagramScrollingInfo()
{
ConnectionTool = (ConnectionTool)toolService.FindTool(ConnectionTool.ToolName),
ConnectionManipulationTool = (ConnectionManipulationTool)toolService.FindTool(ConnectionManipulationTool.ToolName),
ScrollingTimer = new DispatcherTimer() { Interval = TimeSpan.FromMilliseconds(1) },
DraggingService = (DraggingService)diagram.ServiceLocator.GetService<IDraggingService>(),
};
return diagramInfo;
}
private static bool IsAutoScrollingAllowed(DiagramScrollingInfo diagramInfo)
{
return(diagramInfo.ConnectionTool.IsActive ||
diagramInfo.ConnectionManipulationTool.IsActive ||
diagramInfo.DraggingService.IsDragging);
}
