public HitTestResult HitTest(
Point pt,
IViewModel eventsHandler,
HitTestResult.AreaCode panelCode,
Func <LJD.Graphics> graphicsFactory
)
{
var viewMetrics = this;
HitTestResult ret = new HitTestResult();
if (panelCode == HitTestResult.AreaCode.NavigationPanel)
{
var m = GetNavigationPanelMetrics(eventsHandler);
if (m.Resizer1.Contains(pt))
{
ret.Area = HitTestResult.AreaCode.NavigationPanelResizer1;
}
else if (m.Resizer2.Contains(pt))
{
ret.Area = HitTestResult.AreaCode.NavigationPanelResizer2;
}
else if (m.VisibleRangeBox.Contains(pt))
{
ret.Area = HitTestResult.AreaCode.NavigationPanelThumb;
}
else
{
ret.Area = HitTestResult.AreaCode.NavigationPanel;
}
ret.RelativeX = (double)pt.X / viewMetrics.NavigationPanelWidth;
return(ret);
}
double viewWidth = viewMetrics.ActivitiesViewWidth;
ret.RelativeX = (double)pt.X / viewWidth;
ret.ActivityIndex = GetActivityByPoint(pt, viewMetrics, eventsHandler.ActivitiesCount);
if (panelCode == HitTestResult.AreaCode.CaptionsPanel)
{
if (ret.ActivityIndex != null &&
pt.X > viewMetrics.SequenceDiagramAreaWidth && pt.X < viewMetrics.SequenceDiagramAreaWidth + viewMetrics.FoldingAreaWidth)
{
ret.Area = HitTestResult.AreaCode.FoldingSign;
}
else
{
ret.Area = HitTestResult.AreaCode.CaptionsPanel;
}
return(ret);
}
using (var g = graphicsFactory())
{
foreach (var bmk in GetBookmarksMetrics(g, eventsHandler))
{
if (bmk.IsOverLink(pt))
{
ret.Area = HitTestResult.AreaCode.BookmarkTrigger;
ret.Trigger = bmk.Bookmark.Trigger;
return(ret);
}
}
foreach (var evt in GetEventMetrics(g, eventsHandler).Reverse())
{
if (evt.IsOverLink(pt))
{
ret.Area = HitTestResult.AreaCode.EventTrigger;
ret.Trigger = evt.Event.Trigger;
return(ret);
}
}
}
if (pt.Y < viewMetrics.RulersPanelHeight)
{
ret.Area = HitTestResult.AreaCode.RulersPanel;
return(ret);
}
foreach (var a in GetActivitiesMetrics(eventsHandler))
{
foreach (var ms in a.Milestones)
{
if (ms.Bounds.HasValue && ms.Bounds.Value.Contains(pt))
{
ret.Area = HitTestResult.AreaCode.ActivityTrigger;
ret.Trigger = ms.Trigger;
return(ret);
}
}
if (a.BeginTriggerLinkRect.HasValue && a.BeginTriggerLinkRect.Value.Contains(pt))
{
ret.Area = HitTestResult.AreaCode.ActivityTrigger;
ret.Trigger = a.Activity.BeginTrigger;
return(ret);
}
if (a.EndTriggerLinkRect.HasValue && a.EndTriggerLinkRect.Value.Contains(pt))
{
ret.Area = HitTestResult.AreaCode.ActivityTrigger;
ret.Trigger = a.Activity.EndTrigger;
return(ret);
}
if (a.ActivityBarRect.Contains(pt))
{
ret.Area = HitTestResult.AreaCode.Activity;
return(ret);
}
}
ret.Area = HitTestResult.AreaCode.ActivitiesPanel;
return(ret);
}
static void PushGraphicsStateForDrawingActivites(LJD.Graphics g, ViewMetrics vm, HitTestResult.AreaCode area)
{
g.PushState();
g.IntsersectClip(new Rectangle(0, vm.RulersPanelHeight,
area == HitTestResult.AreaCode.CaptionsPanel ? vm.ActivitesCaptionsViewWidth : vm.ActivitiesViewWidth, vm.ActivitiesViewHeight));
}
