private void btnShowPDFDetails_Click(object sender, RoutedEventArgs e)
{
try
{
// reference: https://stackoverflow.com/questions/1168976/wpf-datagrid-button-in-a-column-getting-the-row-from-which-it-came-on-the-cli/4926268
CustomPDFDocumentDetails pdfDetail = ((FrameworkElement)sender).DataContext as CustomPDFDocumentDetails;
SinglePDFDetailsWindow sw = new SinglePDFDetailsWindow(EnableErrorLog);
sw.Owner = Application.Current.MainWindow; // We must also set the owner for this to work.
sw.WindowStartupLocation = WindowStartupLocation.CenterOwner;
sw.originalTotalPages = pdfDetail.pages;
sw.ShowDialog();
if (sw.DialogResult.HasValue && sw.DialogResult.Value)
{
pdfDetail.userSelectedPages = sw.SelectedPages;
// after made change, refresh the grid
dgPDFs.Items.Refresh();
}
else
{
// do nothing. User cancel the action.
}
}
catch (Exception ex)
{
Utils.WriteErrorMessageToFile(ex.ToString(), EnableErrorLog);
}
}
private List <CustomPDFDocumentDetails> ImportSelectedPDFFiles()
{
try
{
List <CustomPDFDocumentDetails> lstPDFs = new List <CustomPDFDocumentDetails>();
OpenFileDialog ofd = new OpenFileDialog();
ofd.Multiselect = true; // Allow user to select multiple PDF files
ofd.Filter = "PDF Files|*.pdf"; // strictly limit selection to PDF files
bool?result = ofd.ShowDialog();
if (result.HasValue && result.Value)
{
// This will handle single select as well as multiple select
for (int i = 0; i < ofd.FileNames.Length; i++)
{
CustomPDFDocumentDetails pdf = new CustomPDFDocumentDetails();
// IMPORTANT - this only gets basic file info. To get PDF file detailed info: go to this method - GetSelectedPDFFileDetails
pdf.fullPath = ofd.FileNames[i]; // this is FULL file path
pdf.fileName = System.IO.Path.GetFileNameWithoutExtension(ofd.SafeFileNames[i]); // this is only file name WITHOUT extension
pdf.extension = System.IO.Path.GetExtension(pdf.fullPath); // this will be: .pdf
pdf.fileSizeInByte = new System.IO.FileInfo(pdf.fullPath).Length; // this will get actual file size in Byte
if (pdf.extension.ToLower() == ".pdf")
{
lstPDFs.Add(pdf);
}
}
return(lstPDFs);
}
return(lstPDFs);
}
catch (Exception ex)
{
Utils.WriteErrorMessageToFile(ex.ToString(), EnableErrorLog);
return(null);
}
}
private void btnStart_Click(object sender, RoutedEventArgs e)
{
try
{
// NOT USED NOW
// SaveWindow sw = new SaveWindow();
// sw.Owner = Application.Current.MainWindow; // We must also set the owner for this to work.
// sw.WindowStartupLocation = WindowStartupLocation.CenterOwner;
// sw.ShowDialog();
FolderBrowserDialog fbd = new FolderBrowserDialog();
fbd.RootFolder = Environment.SpecialFolder.Desktop;
fbd.Description = "Please select a folder to save PDF file.";
System.Windows.Forms.DialogResult fbdResult = fbd.ShowDialog();
if (fbdResult == System.Windows.Forms.DialogResult.OK)
{
// Now we have path FOR final PDF
string outputFolder = fbd.SelectedPath;
// Step 02. Process PDFs
string tempFolder = Environment.GetFolderPath(Environment.SpecialFolder.Desktop); // System.IO.Path.GetTempPath();
List <string> lstTempFilesFullPathList = new List <string>();
for (int i = 0; i < dgPDFs.Items.Count; i++)
{
CustomPDFDocumentDetails pdfDetail = (CustomPDFDocumentDetails)dgPDFs.Items[i];
string selectPages = string.Format("1-{0}", pdfDetail.pages);
if (!Utils.IsNullOrBlank(pdfDetail.userSelectedPages))
{
selectPages = pdfDetail.userSelectedPages;
}
string filePath = pdfDetail.fullPath;
String tempFilename = string.Format("pdf_temp_{0}.pdf", i);
string tempFilePath = System.IO.Path.Combine(tempFolder, tempFilename);
// action 1. split
KeepSelectedPages(filePath, selectPages, tempFilePath);
// add temp file paths to list so we know where they are
lstTempFilesFullPathList.Add(tempFilePath);
}
// define final PDF path & filename
string finalFile = System.IO.Path.Combine(outputFolder, "final.pdf"); // user should be able to name their own file (with default filename given)
// action 2. merge
IEnumerable <string> filenames = lstTempFilesFullPathList.ToArray();
MergePDFs(filenames, finalFile);
// action 3. purge temp files
}
}
catch (Exception ex)
{
Utils.WriteErrorMessageToFile(ex.ToString(), EnableErrorLog);
}
}
