private DateTime GetTimeOfItem(object item)
{
FieldLogItemViewModel flItem = item as FieldLogItemViewModel;
if (flItem != null)
{
return(flItem.Time);
}
DebugMessageViewModel dbgItem = item as DebugMessageViewModel;
if (dbgItem != null)
{
return(dbgItem.Time);
}
throw new ArgumentException("Unsupported item type."); // Should never happen
}
private void UpdateScrollmap()
{
if (logItemsHostPanel == null)
{
// SmoothVirtualizingPanel_Loaded wasn't called yet. Remember to update the scroll
// map when it will be called.
scrollmapUpdatePending = true;
return;
}
if (logItemsScroll == null)
{
return;
}
bool showWarningsErrors = App.Settings.ShowWarningsErrorsInScrollBar;
bool showSelection = App.Settings.ShowSelectionInScrollBar;
if (!showWarningsErrors && !showSelection)
{
// Nothing to display, but clear anything that may already be there
ClearScrollmap();
return;
}
double itemOffset = 0;
double itemHeight = logItemsHostPanel.ItemHeight;
bool scrollBarVisible = logItemsScroll.ComputedVerticalScrollBarVisibility == Visibility.Visible;
if (scrollBarVisible)
{
ScrollBar sb = logItemsScroll.FindVisualChild <ScrollBar>(d => AutomationProperties.GetAutomationId(d) == "VerticalScrollBar");
if (sb != null)
{
Grid g = sb.FindVisualChild <Grid>();
if (g != null && g.RowDefinitions.Count == 3)
{
itemOffset = g.RowDefinitions[0].ActualHeight + 2;
itemHeight = (g.RowDefinitions[1].ActualHeight - 4) / LogItemsList.Items.Count;
}
}
}
else
{
return;
}
StreamGeometry warningGeometry = new StreamGeometry();
warningGeometry.FillRule = FillRule.Nonzero;
StreamGeometry errorGeometry = new StreamGeometry();
errorGeometry.FillRule = FillRule.Nonzero;
StreamGeometry criticalGeometry = new StreamGeometry();
criticalGeometry.FillRule = FillRule.Nonzero;
StreamGeometry selectionGeometry = new StreamGeometry();
selectionGeometry.FillRule = FillRule.Nonzero;
StreamGeometryContext warningCtx = warningGeometry.Open();
StreamGeometryContext errorCtx = errorGeometry.Open();
StreamGeometryContext criticalCtx = criticalGeometry.Open();
StreamGeometryContext selectionCtx = selectionGeometry.Open();
HashSet <object> selectedItems = new HashSet <object>(LogItemsList.SelectedItems.OfType <object>());
for (int index = 0; index < LogItemsList.Items.Count; index++)
{
if (showWarningsErrors)
{
FieldLogItemViewModel flItem = LogItemsList.Items[index] as FieldLogItemViewModel;
if (flItem != null)
{
if (flItem.Priority >= FieldLogPriority.Warning)
{
double y = Math.Round(itemOffset + (index + 0.5) * itemHeight);
StreamGeometryContext ctx;
if (flItem.Priority == FieldLogPriority.Warning)
{
ctx = warningCtx;
}
else if (flItem.Priority == FieldLogPriority.Error)
{
ctx = errorCtx;
}
else if (flItem.Priority == FieldLogPriority.Critical)
{
ctx = criticalCtx;
}
else
{
continue;
}
ctx.BeginFigure(new Point(0, y - 2), true, true);
ctx.PolyLineTo(new Point[]
{
new Point(3, y - 2),
new Point(3, y + 2),
new Point(0, y + 2)
}, false, false);
}
}
}
if (showSelection)
{
if (selectedItems.Contains(LogItemsList.Items[index]))
{
double y = Math.Round(itemOffset + (index + 0.5) * itemHeight);
selectionCtx.BeginFigure(new Point(4, y - 1), true, true);
selectionCtx.PolyLineTo(new Point[]
{
new Point(7, y - 1),
new Point(7, y + 1),
new Point(4, y + 1)
}, false, false);
}
}
}
warningCtx.Close();
warningGeometry.Freeze();
errorCtx.Close();
errorGeometry.Freeze();
criticalCtx.Close();
criticalGeometry.Freeze();
selectionCtx.Close();
selectionGeometry.Freeze();
WarningMap.Data = warningGeometry;
ErrorMap.Data = errorGeometry;
CriticalMap.Data = criticalGeometry;
SelectionMap.Data = selectionGeometry;
}
