void IView.EnsureActivityVisible (int activityIndex)
{
int y = Metrics.GetActivityY(viewMetrics, activityIndex);
if (y > 0 && (y + viewMetrics.LineHeight) < viewMetrics.ActivitiesViewHeight)
return;
var scrollerPos = viewMetrics.RulersPanelHeight - viewMetrics.ActivitiesViewHeight / 2
+ activityIndex * viewMetrics.LineHeight;
scrollerPos = Math.Max(0, scrollerPos);
vertScroller.DoubleValue = (double)scrollerPos / VertScrollerValueRange;
UpdateViewMetrics ();
InvalidateInternal (ViewAreaFlag.ActivitiesCaptionsView | ViewAreaFlag.ActivitiesBarsView);
}
void IView.EnsureActivityVisible(int activityIndex)
{
var vm = GetUpToDateViewMetrics();
int y = Metrics.GetActivityY(vm, activityIndex);
if (y > 0 && (y + vm.LineHeight) < activitiesViewPanel.Height)
{
return;
}
var scrollerPos = vm.RulersPanelHeight - activitiesViewPanel.Height / 2 + activityIndex * vm.LineHeight;
scrollerPos = Math.Max(0, scrollerPos);
activitiesScrollBar.Value = scrollerPos;
}
public static void DrawCaptionsView(
LJD.Graphics g,
ViewMetrics viewMetrics,
IViewEvents eventsHandler,
int sequenceDiagramAreaWidth,
Action <string, Rectangle, int, int, bool> drawCaptionWithHighlightedRegion
)
{
PushGraphicsStateForDrawingActivites(g, viewMetrics, HitTestResult.AreaCode.CaptionsPanel);
int availableHeight = viewMetrics.ActivitiesViewHeight;
foreach (var a in eventsHandler.OnDrawActivities())
{
int y = Metrics.GetActivityY(viewMetrics, a.Index);
if (y < 0)
{
continue;
}
if (y > availableHeight)
{
break;
}
var h = viewMetrics.LineHeight - 1;
var sequenceDiagramTextRect = new Rectangle(0, y, sequenceDiagramAreaWidth, h);
var textRect = new Rectangle(
sequenceDiagramTextRect.Right + 3 /* text padding */, y, viewMetrics.ActivitesCaptionsViewWidth - sequenceDiagramTextRect.Right, h);
var lineRect = new Rectangle(0, y, viewMetrics.ActivitesCaptionsViewWidth, h);
if (a.IsSelected)
{
g.FillRectangle(viewMetrics.SelectedLineBrush, lineRect);
}
else if (a.Color.HasValue)
{
using (var bgBrush = MakeBrush(a.Color.Value))
g.FillRectangle(bgBrush, lineRect);
}
if (!string.IsNullOrEmpty(a.SequenceDiagramText))
{
g.DrawString(a.SequenceDiagramText, viewMetrics.ActivitesCaptionsFont, viewMetrics.ActivitesCaptionsBrush, sequenceDiagramTextRect);
}
drawCaptionWithHighlightedRegion(a.Caption, textRect, a.CaptionSelectionBegin, a.CaptionSelectionLength, a.IsError);
}
g.PopState();
}