public override DataTemplate SelectTemplate(object item, DependencyObject container)
{
if (!(container is FrameworkElement element))
{
return(null);
}
if (!(item is StatusViewerItem listItem))
{
return(null);
}
StatusReportItem.SeverityCode severity = listItem.Data.Severity;
switch (severity)
{
case StatusReportItem.SeverityCode.None:
// these are incorrectly initialized
ConfigManager.LogManager.LogError(
$"received status report item with invalid severity: {listItem.Data.Severity} '{listItem.Data.Status}'; implementation error");
// render using Error template
severity = StatusReportItem.SeverityCode.Error;
break;
case StatusReportItem.SeverityCode.Info:
break;
case StatusReportItem.SeverityCode.Warning:
break;
case StatusReportItem.SeverityCode.Error:
break;
// ReSharper disable once RedundantEmptySwitchSection
// new cases are explicitly allowed to have resources with matching names
default:
break;
}
return(element.FindResource(severity.ToString()) as DataTemplate);
}
/// <summary>
/// Instead of a setter for the corresponding string, we use this method to
/// ensure the underlying enum can be renamed and otherwise changed safely.
/// </summary>
/// <param name="code"></param>
public void SetStatus(StatusReportItem.SeverityCode code)
{
SetValue(StatusProperty, code.ToString());
switch (code)
{
case StatusReportItem.SeverityCode.None:
StatusNarrative = "This component is not reporting any status.";
break;
case StatusReportItem.SeverityCode.Info:
StatusNarrative = "This component is configured correctly.";
break;
case StatusReportItem.SeverityCode.Warning:
StatusNarrative = "This component is reporting warnings that should be corrected.";
break;
case StatusReportItem.SeverityCode.Error:
StatusNarrative = "This component is reporting errors and requires attention.";
break;
}
}
