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Revert Dashboard grid lines, add remaining Lite chart hover tooltips #133

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Merged
erikdarlingdata merged 1 commit into from
Feb 19, 2026
Merged

Revert Dashboard grid lines, add remaining Lite chart hover tooltips #133

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2 changes: 1 addition & 1 deletion Dashboard/Helpers/TabHelpers.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -132,7 +132,7 @@ public static void ApplyDarkModeToChart(WpfPlot chart)
var darkBackground = ScottPlot.Color.FromHex("#22252b");
var darkerBackground = ScottPlot.Color.FromHex("#111217");
var textColor = ScottPlot.Color.FromHex("#9DA5B4");
var gridColor = ScottPlot.Colors.White.WithAlpha(50);
var gridColor = ScottPlot.Colors.White.WithAlpha(20);

chart.Plot.FigureBackground.Color = darkBackground;
chart.Plot.DataBackground.Color = darkerBackground;
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12 changes: 12 additions & 0 deletions Lite/Controls/ServerTab.xaml.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,9 @@ public partial class ServerTab : UserControl
private Helpers.ChartHoverHelper? _queryDurationTrendHover;
private Helpers.ChartHoverHelper? _procDurationTrendHover;
private Helpers.ChartHoverHelper? _queryStoreDurationTrendHover;
private Helpers.ChartHoverHelper? _executionCountTrendHover;
private Helpers.ChartHoverHelper? _blockingTrendHover;
private Helpers.ChartHoverHelper? _deadlockTrendHover;

/* Column filtering */
private Popup? _filterPopup;
Expand Down Expand Up @@ -146,6 +149,9 @@ public ServerTab(ServerConnection server, DuckDbInitializer duckDb, CredentialSe
_queryDurationTrendHover = new Helpers.ChartHoverHelper(QueryDurationTrendChart, "ms/sec");
_procDurationTrendHover = new Helpers.ChartHoverHelper(ProcDurationTrendChart, "ms/sec");
_queryStoreDurationTrendHover = new Helpers.ChartHoverHelper(QueryStoreDurationTrendChart, "ms/sec");
_executionCountTrendHover = new Helpers.ChartHoverHelper(ExecutionCountTrendChart, "/sec");
_blockingTrendHover = new Helpers.ChartHoverHelper(BlockingTrendChart, "incidents");
_deadlockTrendHover = new Helpers.ChartHoverHelper(DeadlockTrendChart, "deadlocks");

/* Initial load is triggered by MainWindow.ConnectToServer calling RefreshData()
after collectors finish - no Loaded handler needed */
Expand Down Expand Up @@ -855,6 +861,7 @@ private void UpdateBlockingTrendChart(List<TrendPoint> data, int hoursBack, Date
rangeStart = rangeEnd.AddHours(-hoursBack);
}

_blockingTrendHover?.Clear();
if (data.Count == 0)
{
/* No blocking events — show a flat line at zero so the chart looks active */
Expand Down Expand Up @@ -904,6 +911,7 @@ private void UpdateBlockingTrendChart(List<TrendPoint> data, int hoursBack, Date
plot.LegendText = "Blocking Incidents";
plot.Color = ScottPlot.Color.FromHex("#E57373");
plot.MarkerSize = 0; /* No markers, just lines */
_blockingTrendHover?.Add(plot, "Blocking Incidents");

BlockingTrendChart.Plot.Axes.DateTimeTicksBottom();
BlockingTrendChart.Plot.Axes.SetLimitsX(rangeStart.ToOADate(), rangeEnd.ToOADate());
Expand Down Expand Up @@ -932,6 +940,7 @@ private void UpdateDeadlockTrendChart(List<TrendPoint> data, int hoursBack, Date
rangeStart = rangeEnd.AddHours(-hoursBack);
}

_deadlockTrendHover?.Clear();
if (data.Count == 0)
{
/* No deadlocks — show a flat line at zero so the chart looks active */
Expand Down Expand Up @@ -981,6 +990,7 @@ private void UpdateDeadlockTrendChart(List<TrendPoint> data, int hoursBack, Date
plot.LegendText = "Deadlocks";
plot.Color = ScottPlot.Color.FromHex("#FFB74D");
plot.MarkerSize = 0; /* No markers, just lines */
_deadlockTrendHover?.Add(plot, "Deadlocks");

DeadlockTrendChart.Plot.Axes.DateTimeTicksBottom();
DeadlockTrendChart.Plot.Axes.SetLimitsX(rangeStart.ToOADate(), rangeEnd.ToOADate());
Expand Down Expand Up @@ -1075,9 +1085,11 @@ private void UpdateExecutionCountTrendChart(List<QueryTrendPoint> data)
var times = data.Select(d => d.CollectionTime.AddMinutes(UtcOffsetMinutes).ToOADate()).ToArray();
var values = data.Select(d => d.Value).ToArray();

_executionCountTrendHover?.Clear();
var plot = ExecutionCountTrendChart.Plot.Add.Scatter(times, values);
plot.LegendText = "Executions";
plot.Color = ScottPlot.Color.FromHex("#BA68C8");
_executionCountTrendHover?.Add(plot, "Executions");

ExecutionCountTrendChart.Plot.Axes.DateTimeTicksBottom();
ReapplyAxisColors(ExecutionCountTrendChart);
Expand Down