/// <summary>
/// Try to create a new <see cref="PowerPoint"/> object, handle exceptions
/// </summary>
private static PowerPoint CreatePowerpoint(string templatePath, string outputPath)
{
try
{
PowerPoint powerpoint = new PowerPoint(templatePath, outputPath);
return(powerpoint);
}
catch (FileNotFoundException ex)
{
Dialogs.GenericWarning($"Het bestand '{ex.FileName}' is niet gevonden. Controleer het bestandspad en probeer opnieuw.");
}
catch (DirectoryNotFoundException)
{
Dialogs.GenericWarning($"Het bestandspad '{templatePath}' of '{outputPath}' bestaat niet. Controleer het bestandspad " +
$"en probeer opnieuw");
}
catch (IOException ex) when((ex.HResult & 0x0000FFFF) == 32)
{
Dialogs.GenericWarning($"Het bestand '{outputPath}' kon niet worden bewerkt omdat het geopend is in een ander " +
"programma. Sluit het bestand en probeer opnieuw.");
}
catch (Exception ex) when(ex is IOException ||
ex is UnauthorizedAccessException ||
ex is NotSupportedException ||
ex is System.Security.SecurityException)
{
Dialogs.GenericWarning($"'{templatePath}' of '{outputPath}' kon niet worden geopend.\n\n" +
$"De volgende foutmelding werd gegeven: {ex.Message}");
}
return(null);
}
private void ButtonRemoveDatagridviewRow(object sender, EventArgs e)
{
if (dataGridView.SelectedRows.Count == 1)
{
try
{
dataGridView.Rows.Remove(dataGridView.SelectedRows[0]);
}
catch (InvalidOperationException exception)
{
Dialogs.GenericWarning("De rij kan niet worden verwijderd." +
$"De volgende foutmelding werd gegeven: {exception.Message}");
}
}
else if (dataGridView.CurrentCell != null)
{
try
{
dataGridView.Rows.Remove(dataGridView.CurrentCell.OwningRow);
}
catch (InvalidOperationException exception)
{
Dialogs.GenericWarning("De rij kan niet worden verwijderd. " +
$"De volgende foutmelding werd gegeven: {exception.Message}");
}
}
}
/// <summary>
/// Data class containing information about a service
/// </summary>
public static (Service current, Service next) GetCurrentAndNext(DateTime datetime)
{
// Initialize some values
JsonElement[] services;
Service current = new Service();
Service next = new Service();
// Load the file contents
if (!Program.TryGetFileContents(Settings.Instance.PathServicesJson, out string servicesFile))
{
return(current, next);
}
// Parse the file contents
try
{
JsonDocumentOptions options = new JsonDocumentOptions()
{
AllowTrailingCommas = true,
CommentHandling = JsonCommentHandling.Skip
};
services = JsonDocument.Parse(servicesFile, options).RootElement.EnumerateArray().ToArray();
}
catch (Exception ex) when(ex is JsonException || ex is InvalidOperationException)
{
Dialogs.GenericWarning($"'{Settings.Instance.PathServicesJson}'" +
$" heeft niet de juiste structuur.\n\nDe volgende foutmelding werd gegeven: {ex.Message}");
return(current, next);
}
// Iterate over all services in servicesjson and find the one which matches datetime
for (int i = 0; i < services.Length; i++)
{
if (services[i].GetProperty("Datetime").GetDateTime() == datetime)
{
current = JsonSerializer.Deserialize <Service>(services[i].GetRawText());
// Try to get the next service if possible
try
{
next = JsonSerializer.Deserialize <Service>(services[i + 1].GetRawText());
}
catch (IndexOutOfRangeException)
{
next = new Service();
}
break;
}
}
return(current, next);
}
/// <summary>
/// Helper function for opening a filestream and handling exceptions
/// </summary>
/// <param name="path">Path to the file that has to be read</param>
/// <param name="stream">The filestream, or null if reading failed</param>
/// <returns>Whether the function succeeded</returns>
public static bool TryGetFileStream(string path, out FileStream stream)
{
stream = null;
try
{
stream = File.OpenRead(path);
return(true);
}
catch (IOException ex) when(ex is DirectoryNotFoundException || ex is FileNotFoundException)
{
Dialogs.GenericWarning($"'{path}' kon niet worden geopend omdat het bestand niet gevonden is.");
return(false);
}
catch (Exception ex) when(ex is IOException ||
ex is UnauthorizedAccessException ||
ex is NotSupportedException)
{
Dialogs.GenericWarning($"'{path}' kon niet worden geopend.\n\n" +
$"De volgende foutmelding werd gegeven: {ex.Message}");
return(false);
}
}
/// <summary>
/// Helper function for loading files and handling exceptions
/// </summary>
/// <param name="path">Path to the file that has to be read</param>
/// <param name="filecontents">The contents of the file, or an empty string if reading failed</param>
/// <returns>Whether the function succeeded</returns>
public static bool TryGetFileContents(string path, out string filecontents)
{
filecontents = "";
try
{
filecontents = File.ReadAllText(path);
return(true);
}
catch (Exception ex) when(ex is DirectoryNotFoundException || ex is FileNotFoundException)
{
Dialogs.GenericWarning($"'{path}' kon niet worden geopgend omdat het bestand niet gevonden is.");
return(false);
}
catch (Exception ex) when(ex is IOException ||
ex is UnauthorizedAccessException ||
ex is NotSupportedException ||
ex is System.Security.SecurityException)
{
Dialogs.GenericWarning($"'{path}' kon niet worden geopend.\n\n" +
$"De volgende foutmelding werd gegeven: {ex.Message}");
return(false);
}
}
/// <summary>
/// Create the three presentations with information from the user interface
/// </summary>
public void CreatePresentations(object sender, EventArgs e)
{
// Check if fields are filled in and if the output folder is right
if (!CheckValidInputs())
{
return;
}
if (!Directory.Exists(Settings.Instance.PathOutputFolder))
{
Dialogs.GenericWarning("De outputfolder bestaat niet, " +
"selecteer een bestaande folder in de instellingen");
return;
}
// Get the filled in information from the window
KeywordSettings tags = Settings.Instance.Keywords;
Dictionary <string, string> keywords = GetFormKeywords();
List <ServiceElement> elements = GetServiceElements();
string filenamepart = GetFilenamePart(dateTimePickerCurrent);
// Create the presentation before the service
PowerPoint beforeService = CreatePowerpoint(Settings.Instance.PathTemplateBefore,
Settings.Instance.PathOutputFolder + $"/voor {filenamepart}.pptx");
if (beforeService == null)
{
return;
}
if (string.IsNullOrWhiteSpace(keywords[tags.Theme]))
{
beforeService.RemoveThemeRuns();
}
beforeService.ReplaceKeywords(keywords);
beforeService.ReplaceImage(textBoxQRPath.Text);
beforeService.ReplaceMultilineKeywords(
from ServiceElement element in elements where element.IsSong select element,
from ServiceElement element in elements where element.IsReading select element
);
beforeService.SaveClose();
// Create the presentation during the service
PowerPoint duringService = CreatePowerpoint(Settings.Instance.PathTemplateDuring,
Settings.Instance.PathOutputFolder + $"/tijdens {filenamepart}.pptx");
if (duringService == null)
{
return;
}
duringService.ReplaceKeywords(keywords);
duringService.ReplaceImage(textBoxQRPath.Text);
foreach (ServiceElement element in elements)
{
duringService.DuplicateAndReplace(new Dictionary <string, string> {
{ tags.ServiceElementTitle, element.Title },
{ tags.ServiceElementSubtitle, element.Subtitle }
}, element.ShowQR);
}
duringService.SaveClose();
// Create the presentation after the service
PowerPoint afterService = CreatePowerpoint(Settings.Instance.PathTemplateAfter,
Settings.Instance.PathOutputFolder + $"/na {filenamepart}.pptx");
if (afterService == null)
{
return;
}
afterService.ReplaceKeywords(keywords);
afterService.ReplaceImage(textBoxQRPath.Text);
afterService.SaveClose();
// Done, message the user
Dialogs.GenericInformation("Voltooid", $"De presentaties zijn gemaakt " +
$"en staan in de folder '{Settings.Instance.PathOutputFolder}'.");
Settings.Instance.NextService = dateTimePickerNext.Value;
}