public void OpenFile()
{
SyncContext.Post(
_ =>
{
if (OpenFileSemaphore.Wait(0) == false)
{
return;
}
if (PdfWindow == null)
{
CreatePdfWindow(null);
}
string filePath = PdfWindow.OpenFileDialog();
if (filePath != null)
{
PDFElement.Create(filePath);
}
OpenFileSemaphore.Release();
},
null
);
}
private void OpenElement(PDFElement pdfElem)
{
if (pdfElem == null)
{
return;
}
LastElement = pdfElem;
EnsurePdfWindow();
PdfWindow.OpenDocument(pdfElem);
PdfWindow.ForceActivate();
}
public void OnElementChanged(IElement newElem,
IControlHtml ctrlHtml)
{
PdfWindow?.CancelSave();
if (newElem == null)
{
return;
}
if (LastElement?.ElementId == newElem.Id)
{
return;
}
var html = ctrlHtml?.Text ?? string.Empty;
var pdfEl = newElem.Type == ElementType.Topic
? PDFElement.TryReadElement(html, newElem.Id)
: null;
bool noNewElem = pdfEl == null;
bool noLastElem = LastElement == null || (Svc.SM.Registry.Element[LastElement.ElementId]?.Deleted ?? true);
if (noNewElem && noLastElem)
{
return;
}
SyncContext.Send(
delegate
{
bool close = LastElement != null && pdfEl == null;
CloseElement();
OpenElement(pdfEl);
if (close)
{
PdfWindow?.Close();
}
},
null);
}
public void OpenFile()
{
SyncContext.Post(
_ =>
{
if (PdfWindow == null)
{
CreatePdfWindow(null);
}
string filePath = PdfWindow.OpenFileDialog();
if (filePath != null)
{
PDFElement.Create(filePath);
}
},
null
);
}
