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[fix:] check for changes on OnOpenClick()

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This commit is contained in:
Elias Fierke
2025-03-15 14:33:22 +01:00
parent 3aead35971
commit fa39195bc3
1 changed files with 55 additions and 11 deletions
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66
MainWindow.axaml.cs
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@@ -294,6 +294,17 @@ namespace PLG_Exam
if (result != null && result.Length > 0)
{
if (!_isSaved)
{
var result2 = await MessageBox.Show(this, "Möchten Sie die aktuellen Änderungen speichern?",
"Nicht gespeicherte Änderungen", MessageBoxButton.YesNoCancel);
if (result2 == MessageBoxResult.Cancel) return;
if (result2 == MessageBoxResult.Yes) {
if((await SaveAs()) != true){
return;
}
}
}
LoadFromFile(result[0]);
}
}
@@ -663,8 +674,8 @@ namespace PLG_Exam
private async void ExportToPdf()
{
try
{
// try
// {
_ = GetCurrentExamDataAsJson();
@@ -757,15 +768,21 @@ namespace PLG_Exam
informationRect
);
var page = $"Seite {document.PageCount}";
endpageGfx.DrawString(page, fontsmall, XBrushes.Gray, new XRect(50, gfx.PageSize.Height - 50 + 15, gfx.PageSize.Width - 50 * 2, 50), XStringFormats.TopRight);
endpageGfx.Dispose();
gfx.Dispose();
//AddPageNumbers(document, fontsmall, 35);
document.Save(filePath);
await MessageBox.Show(this, "PDF erfolgreich gespeichert!", "Erfolg", MessageBoxButton.Ok);
}
catch (Exception ex)
{
Console.WriteLine($"Fehler beim PDF-Export: {ex.Message}");
await MessageBox.Show(this, "Fehler beim PDF-Export.", "Fehler", MessageBoxButton.Ok);
}
// }
// catch (Exception ex)
// {
// Console.WriteLine($"Fehler beim PDF-Export: {ex.Message}");
// await MessageBox.Show(this, "Fehler beim PDF-Export.", "Fehler", MessageBoxButton.Ok);
// }
}
private bool isInternetAvailable()
@@ -774,7 +791,7 @@ namespace PLG_Exam
{
using (var ping = new Ping())
{
var reply = ping.Send("8.8.8.8", 7000); // 3000 ms timeout
var reply = ping.Send("8.8.8.8", 2000); // 3000 ms timeout
return reply.Status == IPStatus.Success;
}
}
@@ -801,6 +818,7 @@ namespace PLG_Exam
PdfPage page = null;
XGraphics gfx = null;
foreach (var line in lines)
{
// Neue Seite erstellen, falls nötig
@@ -811,14 +829,17 @@ namespace PLG_Exam
currentHeight = 0;
// Kopfzeile zeichnen
DrawName(gfx, tab, smallFont, margin, headerHeight);
DrawName(gfx, tab, smallFont, margin, headerHeight, document.PageCount);
DrawHeader(gfx, tab, headerFont, margin, headerHeight);
}
// Zeile zeichnen
gfx.DrawString(line, font, XBrushes.Black, new XRect(corr_margin, margin + headerHeight*headerline_count + currentHeight, page.Width - margin, lineHeight), XStringFormats.TopLeft);
currentHeight += lineHeight;
}
gfx.Dispose();
}
int headerline_count = 0;
@@ -836,16 +857,36 @@ namespace PLG_Exam
headerline_count++;
}
}
private void AddPageNumbers(PdfDocument document, XFont font, double margin)
{
int totalPages = document.PageCount;
for (int i = 1; i < totalPages; i++) // Beginnt ab der zweiten Seite (Index 1)
{
PdfPage page = document.Pages[i];
XGraphics gfx = XGraphics.FromPdfPage(page);
string text = $"Seite {i + 1} von {totalPages}";
double yPosition = page.Height - margin;
gfx.DrawString(text, font, XBrushes.Gray, new XRect(margin, yPosition, page.Width - 2 * margin, 20), XStringFormats.Center);
gfx.Dispose();
}
}
private void DrawName(XGraphics gfx, ExamTab tab, XFont font, double margin, double headerHeight)
private void DrawName(XGraphics gfx, ExamTab tab, XFont font, double margin, double headerHeight, int page_num)
{
var headerText = $"{_currentExam.Name}, {_currentExam.Vorname}";
gfx.DrawString(headerText, font, XBrushes.Gray, new XRect(margin, margin-15, gfx.PageSize.Width - margin * 2, headerHeight), XStringFormats.TopLeft);
var headerText2 = _currentExam.Datum.Value.ToString("dd.MM.yyyy", CultureInfo.CreateSpecificCulture("de-DE"));
gfx.DrawString(headerText2, font, XBrushes.Gray, new XRect(margin, margin-15, gfx.PageSize.Width - margin * 2, headerHeight), XStringFormats.TopRight);
var page = $"Seite {page_num}";
gfx.DrawString(page, font, XBrushes.Gray, new XRect(margin, gfx.PageSize.Height - margin + 15, gfx.PageSize.Width - margin * 2, headerHeight), XStringFormats.TopRight);
}
@@ -893,7 +934,10 @@ namespace PLG_Exam
{
lines.Add(currentLine);
}
}
gfx.Dispose();
}
return lines;