public static void EpisodeGetEpisodesInRange(FileTable fileTable, int fileTableIndex, int maxRangeToSearch)
{
if (Episodes.EpisodesDictionary == null)
{
Episodes.Reset();
}
int index = fileTableIndex;
// Ensure the argument is valid
if (fileTable == null || index < 0 || index >= fileTable.RowCount)
{
return;
}
bool inRange = Episodes.EpisodeGetAroundIndex(fileTable, fileTableIndex, maxRangeToSearch, out int first, out int count);
// foreach fileindex within the episode, ranging from first to last, add its episode information to the episode dictionary
for (int i = 1; i <= count; i++)
{
int currentFileIndex = first + i - 1;
if (!Episodes.EpisodesDictionary.ContainsKey(currentFileIndex))
{
Tuple <int, int> tuple = inRange ? new Tuple <int, int>(i, count) : new Tuple <int, int>(int.MaxValue, int.MaxValue);
Episodes.EpisodesDictionary.Add(currentFileIndex, tuple);
}
}
}
private void MenuItemEpisodeOptions_Click(object sender, RoutedEventArgs e)
{
EpisodeOptions episodeOptions = new EpisodeOptions(this.State.EpisodeTimeThreshold, this);
bool? result = episodeOptions.ShowDialog();
if (result == true)
{
// the time threshold has changed, so save its new state
this.State.EpisodeTimeThreshold = episodeOptions.EpisodeTimeThreshold;
Episodes.TimeThreshold = this.State.EpisodeTimeThreshold; // so we don't have to pass it as a parameter
Episodes.Reset();
}
if (this.IsDisplayingMultipleImagesInOverview())
{
this.MarkableCanvas.RefreshIfMultipleImagesAreDisplayed(false);
}
else
{
this.DisplayEpisodeTextInImageIfWarranted(this.DataHandler.ImageCache.CurrentRow);
}
}
// PEFORMANCE FILES SELECT AND SHOW CALLED TOO OFTEN, GIVEN THAT IT IS A SLOW OPERATION
private async Task FilesSelectAndShowAsync(long imageID, FileSelectionEnum selection)
{
// change selection
// if the data grid is bound the file database automatically updates its contents on SelectFiles()
if (this.DataHandler == null)
{
TracePrint.PrintMessage("FilesSelectAndShow() should not be reachable with a null data handler. Is a menu item wrongly enabled?");;
}
if (this.DataHandler.FileDatabase == null)
{
TracePrint.PrintMessage("FilesSelectAndShow() should not be reachable with a null database. Is a menu item wrongly enabled?");
}
// Select the files according to the given selection
// Note that our check for missing actually checks to see if the file exists,
// which is why its a different operation
// PEFORMANCE - TWO SLOW OPERATIONS: FilesSelectAndShow invoking this.dataHandler.FileDatabase.SelectFile / .SelectMissingFilesFromCurrentlySelectedFiles
Mouse.OverrideCursor = Cursors.Wait;
if (selection == FileSelectionEnum.Missing)
{
// PERFORMANCE this can be slow if there are many files, as it checks every single file in the current database selection to see if it exists
// However, it is not a mainstream operation so can be considered a lower priority place for optimization
bool anyFilesMissing = this.DataHandler.FileDatabase.SelectMissingFilesFromCurrentlySelectedFiles();
if (anyFilesMissing == false)
{
// No files were missing. Inform the user, and don't change anything.
Mouse.OverrideCursor = null;
Dialogs.FileSelectionNoFilesAreMissingDialog(this);
return;
}
}
else
{
// If its a folder selection, record it so we can save it later in the image set table
this.DataHandler.FileDatabase.ImageSet.SelectedFolder = selection == FileSelectionEnum.Folders
? this.DataHandler.FileDatabase.GetSelectedFolder()
: String.Empty;
// PERFORMANCE Select Files is a very slow operation as it runs a query over all files and returns everything it finds as datatables stored in memory.
this.BusyCancelIndicator.EnableForSelection(true);
await this.DataHandler.FileDatabase.SelectFilesAsync(selection).ConfigureAwait(true);
this.BusyCancelIndicator.EnableForSelection(false);
this.DataHandler.FileDatabase.BindToDataGrid();
}
Mouse.OverrideCursor = null;
if ((this.DataHandler.FileDatabase.CountAllCurrentlySelectedFiles < 1) && (selection != FileSelectionEnum.All))
{
// Tell the user that we are resetting the selection to all files
Dialogs.FileSelectionResettngSelectionToAllFilesDialog(this, selection);
this.StatusBar.SetMessage("Resetting selection to All files.");
selection = FileSelectionEnum.All;
// PEFORMANCE: The standard select files operation in FilesSelectAndShow
this.BusyCancelIndicator.EnableForSelection(true);
await this.DataHandler.FileDatabase.SelectFilesAsync(selection).ConfigureAwait(true);
this.BusyCancelIndicator.EnableForSelection(false);
this.DataHandler.FileDatabase.BindToDataGrid();
}
// Change the selection to reflect what the user selected. Update the menu state accordingly
// Set the checked status of the radio button menu items to the selection.
string status;
switch (selection)
{
case FileSelectionEnum.All:
status = "All files";
break;
case FileSelectionEnum.Custom:
status = "Custom selection";
break;
case FileSelectionEnum.Dark:
status = "Dark files";
break;
case FileSelectionEnum.MarkedForDeletion:
status = "Files marked for deletion";
break;
case FileSelectionEnum.Folders:
status = "Files in a specific folder";
break;
case FileSelectionEnum.Missing:
status = "Missing files";
break;
case FileSelectionEnum.Ok:
status = "Non-dark files";
break;
default:
throw new NotSupportedException(String.Format("Unhandled file selection {0}.", selection));
}
// Show feedback of the status description in both the status bar and the data entry control panel title
this.StatusBar.SetView(status);
this.DataEntryControlPanel.Title = "Data entry for " + status;
// Reset the Episodes, as it may change based on the current selection
Episodes.Reset();
// Display the specified file or, if it's no longer selected, the next closest one
// FileShow() handles empty image sets, so those don't need to be checked for here.
// After a selection changes, set the slider to represent the index and the count of the current selection
this.FileNavigatorSlider_EnableOrDisableValueChangedCallback(false);
this.FileNavigatorSlider.Maximum = this.DataHandler.FileDatabase.CountAllCurrentlySelectedFiles; // Reset the slider to the size of images in this set
if (this.FileNavigatorSlider.Maximum <= 50)
{
this.FileNavigatorSlider.IsSnapToTickEnabled = true;
this.FileNavigatorSlider.TickFrequency = 1.0;
}
else
{
this.FileNavigatorSlider.IsSnapToTickEnabled = false;
this.FileNavigatorSlider.TickFrequency = 0.02 * this.FileNavigatorSlider.Maximum;
}
// Reset the ThumbnailGrid selection after every change in the selection
if (this.IsDisplayingMultipleImagesInOverview())
{
this.MarkableCanvas.ThumbnailGrid.SelectInitialCellOnly();
}
this.DataEntryControls.AutocompletionPopulateAllNotesWithFileTableValues(this.DataHandler.FileDatabase);
// Always force an update after a selection
this.FileShow(this.DataHandler.FileDatabase.GetFileOrNextFileIndex(imageID), true);
// Update the status bar accordingly
this.StatusBar.SetCurrentFile(this.DataHandler.ImageCache.CurrentRow + 1); // We add 1 because its a 0-based list
this.StatusBar.SetCount(this.DataHandler.FileDatabase.CountAllCurrentlySelectedFiles);
this.FileNavigatorSlider_EnableOrDisableValueChangedCallback(true);
this.DataHandler.FileDatabase.ImageSet.FileSelection = selection; // Remember the current selection
}
