private async Task EnsureLoaded()
{
if (isLoading || controller == null || controller.Data != null)
{
return;
}
isLoading = true;
try {
var data = new SummaryReportView {
Period = ZoomLevel,
};
await data.Load(Period);
IsError = data.IsError;
if (controller != null)
{
controller.Data = data;
}
} finally {
isLoading = false;
if (LoadReady != null)
{
LoadReady(this, new LoadReadyEventArgs(Period, IsError));
}
}
}
public async void LoadData()
{
if (IsClean)
{
try {
IsLoading = true;
dataSource = new SummaryReportView();
dataSource.Period = ZoomLevel;
_delaying = true;
cts = new CancellationTokenSource();
await Task.Delay(500, cts.Token);
_delaying = false;
await dataSource.Load(TimeSpaceIndex);
if (!dataSource.IsLoading)
{
barChart.ReportView = dataSource;
pieChart.ReportView = dataSource;
}
IsClean = IsError; // Declare ReportView as clean if an error occurs..
} catch (Exception ex) {
IsClean = true;
} finally {
IsLoading = false;
_delaying = false;
cts.Dispose();
}
}
}
public void TestCreateYearReport()
{
RunAsync(async delegate {
var view = new SummaryReportView();
view.Period = ZoomLevel.Year;
await view.Load(0);
Assert.AreEqual(false, view.IsLoading);
Assert.AreEqual(false, view.IsError);
Assert.AreEqual(true, view.ActivityCount == 12);
Assert.AreEqual(true, view.Projects.Count > 0);
Assert.AreEqual(true, view.CollapsedProjects.Count > 0);
});
}
