private void OnChartClosed(object sender, EventArgs e)
{
SimpleLineChart chart = sender as SimpleLineChart;
ChartStack.RemoveChart(chart);
chart.LiveScrolling = false;
liveScrolling.Remove(chart);
LayoutCharts();
LogItemSchema item = (chart.Tag as LogItemSchema);
if (item != null)
{
UnselectCategory(item);
}
}
private void OnClear(object sender, RoutedEventArgs e)
{
ChartStack.ClearCharts();
liveScrolling.Clear();
logs.Clear();
CategoryList.SelectedItem = null;
allFlights.Clear();
if (currentFlightLog != null)
{
currentFlightLog.Clear();
logs.Add(currentFlightLog);
}
if (currentFlight != null)
{
currentFlight.Locations = new LocationCollection();
}
SystemConsole.Clear();
myMap.Children.Clear();
ImageViewer.Source = null;
ShowSchema();
}
private void LayoutCharts()
{
// layout charts to fill the space available.
double height = ChartStack.ActualHeight;
double count = ChartStack.ChartCount;
height -= (count * (defaultChartMargin.Top + defaultChartMargin.Bottom)); // remove margins
double chartHeight = Math.Min(MaxChartHeight, height / count);
bool found = false;
foreach (FrameworkElement c in ChartStack.Charts)
{
found = true;
c.Height = chartHeight;
}
// give all the charts the same min/max on the X dimension so that the charts are in sync (even when they are not grouped).
ChartScaleInfo combined = new ChartScaleInfo();
foreach (SimpleLineChart chart in ChartStack.FindCharts())
{
var info = chart.ComputeScaleSelf(0);
combined.Combine(info);
}
// now set the min/max on each chart.
foreach (SimpleLineChart chart in ChartStack.FindCharts())
{
chart.FixMinimumX = combined.minX;
chart.FixMaximumX = combined.maxX;
chart.InvalidateArrange();
}
if (!found)
{
ChartStack.Visibility = Visibility.Collapsed;
}
}
private void GraphItem(LogItemSchema schema)
{
if (schema.IsNumeric)
{
ChartStack.Visibility = Visibility.Visible;
ChartStack.UpdateLayout();
SimpleLineChart chart = new SimpleLineChart();
chart.Margin = defaultChartMargin;
chart.Focusable = false;
chart.Closed += OnChartClosed;
chart.LineColor = GetRandomColor();
chart.StrokeThickness = 1;
chart.Tag = schema;
if (currentFlightLog != null && schema.Root == currentFlightLog.Schema)
{
List <DataValue> values = new List <DataValue>(currentFlightLog.GetDataValues(schema, DateTime.MinValue, TimeSpan.MaxValue));
InitializeChartData(schema, chart, values);
// now turn on live scrolling...
chart.LiveScrolling = true;
// the X values are in microseconds (s0 the numerator is the speed of scrolling).
chart.LiveScrollingXScale = 50.0 / 1000000.0;
liveScrolling.Add(chart);
// now start watching the live update for new values that need to be added to this chart.
Task.Run(() =>
{
LiveUpdate(chart, currentFlightLog, schema);
});
}
else
{
List <DataValue> values = new List <DataValue>(GetSelectedDataValues(schema));
if (values.Count > 0)
{
InitializeChartData(schema, chart, values);
}
else
{
chart = null;
}
ShowStatus(string.Format("Found {0} data values", values.Count));
}
if (chart != null)
{
if (chartGroup != null)
{
chartGroup.AddChart(chart);
if (chartGroup.Parent == null)
{
ChartStack.AddChartGroup(chartGroup);
}
}
else
{
ChartStack.AddChart(chart);
}
LayoutCharts();
}
ConsoleButton.IsChecked = false;
SystemConsole.Hide();
}
else
{
StringBuilder sb = new StringBuilder();
foreach (var value in GetSelectedDataValues(schema))
{
sb.AppendLine(value.Label);
}
SystemConsole.Write(sb.ToString());
ConsoleButton.IsChecked = true;
SystemConsole.Show();
}
}
private void OnClearZoom(object sender, RoutedEventArgs e)
{
ChartStack.ResetZoom();
}
