/// <summary>
/// Append source files to the end of original file.
/// </summary>
/// <param name="sourceFiles">The list of source files</param>
/// <param name="originalFile">Original file to append source files to the end of it</param>
public void Append(string[] sourceFiles, string originalFile)
{
PdfDocument pdfOriginal = null;
PdfDocument pdfTemp = null;
PdfMerger pdfMerger = null;
try
{
pdfOriginal = new PdfDocument(new PdfReader(originalFile));
// Step 1: Temporary file to prevent rewrite on the original file.
// Destination file will be changed with the original in the last step.
// In case if the destination file in an existing file
pdfTemp = new PdfDocument(new PdfWriter(originalFile + "temp"));
pdfMerger = new PdfMerger(pdfTemp);
// Step 2: First add the original file content.
pdfMerger.Merge(pdfOriginal, 1, pdfOriginal.GetNumberOfPages());
// Step 3: Then add the other source file content
for (var i = 0; i < sourceFiles.Length; i++)
{
using (var sourceFile = new PdfDocument(new PdfReader(sourceFiles[i])))
{
pdfMerger.Merge(sourceFile, 1, sourceFile.GetNumberOfPages());
// Update merge job progress.
OnUpdateProgress?.Invoke(i);
}
}
pdfTemp.Close();
pdfOriginal.Close();
pdfMerger.Close();
// Step 4: Replace the original file with the temp one.
File.Delete(originalFile);
File.Move(originalFile + "temp", originalFile);
}
catch (Exception e)
{
if (pdfTemp != null && !pdfTemp.IsClosed())
{
pdfTemp.Close();
pdfOriginal.Close();
pdfMerger?.Close();
}
File.Delete(originalFile + "temp");
throw new Exception(e.Message);
}
}
/// <summary>
/// Split specific pages from the source file and save them in the destination file.
/// </summary>
/// <param name="sourceFile">The source file to split pages from it</param>
/// <param name="destinationFile">The destination file to save splitted pages into it</param>
/// <param name="pageRange">Specific pages to split them</param>
public void Split(string sourceFile, string destinationFile, int[] pageRange)
{
PdfDocument pdfDestination = null;
PdfDocument pdfSource = null;
PdfMerger pdfMerger = null;
try
{
// Step 1: Temporary file to prevent rewrite on the original file.
// Destination file will be changed with the original in the last step.
// In case if the destination file in an existing file
pdfDestination = new PdfDocument(new PdfWriter(destinationFile + "temp"));
pdfMerger = new PdfMerger(pdfDestination);
pdfSource = new PdfDocument(new PdfReader(sourceFile));
// Extract and merge each page from the source page.
for (var i = 0; i < pageRange.Length; i++)
{
pdfMerger.Merge(pdfSource, pageRange[i], pageRange[i]);
OnUpdateProgress?.Invoke(i);
}
pdfDestination.Close();
pdfMerger.Close();
pdfSource.Close();
// Step 5: Replace the original file with the temp one.
File.Delete(destinationFile);
File.Move(destinationFile + "temp", destinationFile);
}
catch (Exception e)
{
if (pdfDestination != null && !pdfDestination.IsClosed())
{
pdfDestination.AddNewPage();
pdfDestination.Close();
pdfMerger?.Close();
pdfSource?.Close();
}
File.Delete(destinationFile + "temp");
throw new Exception(e.Message);
}
}
/// <summary>
/// Merge source files together and save them into destination file.
/// </summary>
/// <param name="sourceFiles">The list of source files</param>
/// <param name="destinationFile">Destination file to save merged files into it</param>
public void Merge(string[] sourceFiles, string destinationFile)
{
PdfDocument pdfDestination = null;
PdfMerger pdfMerger = null;
try
{
// Step 1: Temporary file to prevent rewrite on the original file.
// Destination file will be changed with the original in the last step.
// In case if the destination file in an existing file
pdfDestination = new PdfDocument(new PdfWriter(destinationFile + "temp"));
pdfMerger = new PdfMerger(pdfDestination);
for (var i = 0; i < sourceFiles.Length; i++)
{
using (var pdfSource = new PdfDocument(new PdfReader(sourceFiles[i])))
{
pdfMerger.Merge(pdfSource, 1, pdfSource.GetNumberOfPages());
// Update merge job progress.
OnUpdateProgress?.Invoke(i);
}
}
pdfDestination.Close();
pdfMerger.Close();
// Step 2: Replace the destination file with the temp one.
File.Delete(destinationFile);
File.Move(destinationFile + "temp", destinationFile);
}
catch (Exception e)
{
if (pdfDestination != null && !pdfDestination.IsClosed())
{
pdfDestination.AddNewPage();
pdfDestination.Close();
pdfMerger?.Close();
}
File.Delete(destinationFile + "temp");
throw new Exception(e.Message);
}
}
private void btnInvoice_Click(object sender, EventArgs e)
{
textBox4.Clear();
if (textBox2.Text.Length < 1)
{
MessageBox.Show("ソースファイルを選択してください。");
return;
}
else if (textBox3.Text.Length < 1)
{
MessageBox.Show("目標フォルダを選択してください。");
return;
}
else
{
string allLog = "";
DateTime dt = DateTime.Now;
try
{
string sourceFileName = textBox2.Text.Split(',')[0];
string TargetPath = textBox3.Text + @"\\";
SetRectangle JudgePDFType = new SetRectangle(100, 0, 50, 300, sourceFileName);
int cx1 = 0, cy1 = 0, cx2 = 0, cy2 = 0, dx1 = 0, dy1 = 0, dx2 = 0, dy2 = 0;
if (JudgePDFType.GetPreName(1).Length >= 7)
{
if (Regex.IsMatch(JudgePDFType.GetPreName(1).Substring(7).Split(' ')[0], @"^[+-]?\d*[.]?\d*$"))
{
cx1 = 100; cy1 = 0; cx2 = 50; cy2 = 300;
dx1 = 50; dy1 = 350; dx2 = 10; dy2 = 20;
}
else
{
cx1 = 0; cy1 = 450; cx2 = 400; cy2 = 50;
dx1 = 330; dy1 = 540; dx2 = 150; dy2 = 15;
}
}
else
{
cx1 = 0; cy1 = 450; cx2 = 400; cy2 = 50;
dx1 = 330; dy1 = 540; dx2 = 150; dy2 = 15;
}
SetRectangle invoiceCustRec = new SetRectangle(cx1, cy1, cx2, cy2, sourceFileName);
SetRectangle invoiceDateRec = new SetRectangle(dx1, dy1, dx2, dy2, sourceFileName);
int times = 1;
for (int page = 1; page <= invoiceCustRec.pdfDoc.GetNumberOfPages();)
{
string strCustRec = invoiceCustRec.GetPreName(page);
string customerCode = strCustRec.Substring(7).Split(' ')[0];
string customerName = strCustRec.Substring(strCustRec.IndexOf(' ', 9) + 1).Trim();
string date = invoiceDateRec.GetPreName(page).Trim();
//名前設定
string targetFolderName = customerCode + "_" + customerName;
string fileName = date + "_" + targetFolderName + ".pdf";
PdfReader pdfReader = new PdfReader(sourceFileName);
//--------------------------------
if (!Directory.Exists(TargetPath + targetFolderName))
{
Directory.CreateDirectory(TargetPath + targetFolderName);
}
string filePath = TargetPath + targetFolderName + "\\" + fileName;
PdfDocument sourceDocument = new PdfDocument(pdfReader);
PdfDocument targetDocument = new PdfDocument(new PdfWriter(filePath));
PdfMerger merger = new PdfMerger(targetDocument);
allLog += "PageNo: " + page + "\n";
allLog += fileName + "作成しました。\n";
textBox4.AppendText("PageNo: " + page + "\r\n");
textBox4.AppendText(fileName + "作成しました。\r\n");
do
{
Console.WriteLine(invoiceCustRec.GetPreName(page));
merger.Merge(sourceDocument, page, page);
page++;
if (page > invoiceCustRec.pdfDoc.GetNumberOfPages())
{
break;
}
}while (invoiceCustRec.GetPreName(page - 1) == invoiceCustRec.GetPreName(page));
times++;
sourceDocument.Close();
merger.Close();
targetDocument.Close();
}
allLog += "処理完成しました。" + (times - 1) + "個PDFを処理しました。";
MessageBox.Show("処理完成しました。" + (times - 1) + "個PDFを処理しました。");
}
catch (Exception ex)
{
allLog += ex.Message + "\n";
}
finally
{
File.AppendAllText(".\\LOG\\" + dt.ToString("yyyy-MM-dd H-mm-ss") + "log.txt", "\r\n" + allLog);
}
// string result = text.ToString();
}
}
private async Task MergePDFs(MainViewModel viewModel)
{
viewModel.BuildStatus = "Merging PDFs...";
viewModel.BuildProgress = 0;
bool overwriteFile = false;
//Check if desired output file already exists
if (File.Exists(Path.Combine(viewModel.WorkingDirectory, viewModel.OutputName + ".pdf")))
{
//ask user to overwrite file
var result = MessageBox.Show("File exists, overwrite?", "Overwrite existing file", MessageBoxButton.OKCancel);
if (result == MessageBoxResult.Cancel)
{
return;
}
else
{
overwriteFile = true;
}
}
//Copy of real file list to manipulate
List <FileObject> tempFileList = CopyFileObjectList(viewModel.Files);
//create a temp directory to work in
string outputPath = Path.Combine(viewModel.WorkingDirectory, "PDFTemp", viewModel.OutputName + ".pdf");
Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
//copy all files to work in a temp directory.
CopyTempFiles(viewModel, tempFileList, outputPath);
PdfDocument pdf = null;
PdfMerger merger = null;
PdfDocument doc = null;
try
{
//check user option for encryption
if (viewModel.Encrypt)
{
pdf = new PdfDocument(new PdfWriter(outputPath, new WriterProperties()
.SetStandardEncryption(
Encoding.ASCII.GetBytes(viewModel.PDFPass),
null,
EncryptionConstants.ALLOW_PRINTING,
EncryptionConstants.ENCRYPTION_AES_256 | EncryptionConstants.DO_NOT_ENCRYPT_METADATA)
));
}
else
{
pdf = new PdfDocument(new PdfWriter(outputPath));
}
merger = new PdfMerger(pdf);
foreach (var file in tempFileList)
{
if (!File.Exists(file.FilePath))
{
viewModel.BuildStatus = $"Failed: Temporary file({file.FileName}) no longer exists.";
pdf.Close();
merger.Close();
File.Delete(outputPath);
return;
}
try
{
//check if file is protected
if (file.PasswordProtected)
{
var readerProps = new ReaderProperties();
readerProps.SetPassword(Encoding.ASCII.GetBytes(file.Password));
var pdfReader = new PdfReader(file.FilePath, readerProps);
pdfReader.SetUnethicalReading(true);
doc = new PdfDocument(pdfReader);
}
else
{
var pdfReader = new PdfReader(file.FilePath);
doc = new PdfDocument(pdfReader);
}
}
catch (iText.Kernel.PdfException e)
{
}
//merge document
var numPages = doc.GetNumberOfPages();
merger.Merge(doc, 1, numPages);
doc.Close();
//update build progress
viewModel.BuildProgress += numPages;
}
pdf.Close();
//move to orig location
File.Move(outputPath, Path.Combine(viewModel.WorkingDirectory, viewModel.OutputName + ".pdf"), overwriteFile);
//delete temp files
foreach (var file in tempFileList)
{
File.Delete(file.FilePath);
}
//delete temp dir
Directory.Delete(Path.GetDirectoryName(outputPath));
viewModel.BuildStatus = "Success: PDF Successfully Created";
}
//CLEAN UP THIS EXCEPTION GARBAGE EVENTUALLY
catch (iText.IO.IOException e)
{
viewModel.BuildStatus = "Failed: Corrupt PDF";
}
//catch(iText.Signatures.)
catch (iText.Kernel.PdfException e)
{
viewModel.BuildStatus = "Failed: Corrupt PDF";
}
catch (FileNotFoundException e)
{
viewModel.BuildStatus = "Failed: A PDF in the list no longer exists";
}
catch (IOException e)
{
viewModel.BuildStatus = "Failed: Attempting to modify a file in use";
}
}
