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/DynaPDF/Find and Replace

You find this example project in your Plugins Download as a Xojo project file within the examples folder: /DynaPDF/Find and Replace

This example is the version from Wed, 21th Nov 2023.

Project "Find and Replace.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
EventHandler Sub Open() Dim inputFile As FolderItem = FindFile("dynapdf_help.pdf") Dim outputFile As FolderItem = SpecialFolder.Desktop.Child("output.pdf") Dim pdf As New MyDynapdfMBS pdf.SetLicenseKey "Pro" // For this example you can use a Pro or Enterprise License Call pdf.CreateNewPDF // We do not produce a PDF file in this example! // External cmaps should always be loaded when extracting text from PDF files. // See the description of ParseContent() for further information. dim folder as FolderItem = FindFile("CMap") if folder<> nil then Call pdf.SetCMapDir(folder, pdf.klcmRecursive) end if call pdf.SetImportFlags(BitwiseOr(pdf.kifImportAll, pdf.kifImportAsPage)) If pdf.OpenImportFile(inputFile, pdf.kptOpen, "") < 0 Then MsgBox "Failed to load input pdf" + EndOfLine+EndOfLine + inputFile.NativePath quit end if // import all pages and close file call pdf.ImportPDFFile(1, 1.0, 1.0) // now do search and replace Dim FindText As String = "PDF" Dim ReplaceText As String = "Test" Dim count As Integer = pdf.GetPageCount Dim Parser As New DynaPDFParserMBS(pdf) Dim area As DynaPDFRectMBS = Nil // whole page Dim SearchType As Integer = DynaPDFParserMBS.kstCaseInSensitive Dim ContentParsingFlags As Integer = DynaPDFParserMBS.kcpfEnableTextSelection For i As Integer = 1 To count Dim needWrite As Boolean If parser.ParsePage(i, ContentParsingFlags) Then Dim found As Boolean = Parser.FindText(area, SearchType, FindText) While found If Parser.ReplaceSelText(ReplaceText) Then needWrite = True End If found = Parser.FindText(area, SearchType, FindText, True) Wend If needWrite Then Call Parser.WriteToPage End If End If next call pdf.OpenOutputFile(outputFile) Call pdf.CloseFile End EventHandler
Function FindFile(name as string) As FolderItem // Look for file in parent folders from executable on dim parent as FolderItem = app.ExecutableFile.Parent while parent<>Nil dim file as FolderItem = parent.Child(name) if file<>Nil and file.Exists then Return file end if parent = parent.Parent wend End Function
End Class
MenuBar MenuBar1
MenuItem FileMenu = "&Ablage"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Bearbeiten"
MenuItem EditUndo = "&Rückgängig"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "&Ausschneiden"
MenuItem EditCopy = "&Kopieren"
MenuItem EditPaste = "&Einfügen"
MenuItem EditClear = "#App.kEditClear"
MenuItem UntitledMenu0 = "-"
MenuItem EditSelectAll = "&Alles auswählen"
End MenuBar
Filetype Pdf
End FileTypes1
Class MyDynaPDFMBS Inherits DynaPDFMBS
EventHandler Function Error(ErrorCode as integer, ErrorMessage as string, ErrorType as integer) As integer // output all messages on the console: System.DebugLog str(ErrorCode)+": "+ErrorMessage // and display dialog: Dim d as New MessageDialog //declare the MessageDialog object Dim b as MessageDialogButton //for handling the result d.icon=MessageDialog.GraphicCaution //display warning icon d.ActionButton.Caption="Continue" d.CancelButton.Visible=True //show the Cancel button // a warning or an error? if BitAnd(ErrorType, me.kE_WARNING) = me.kE_WARNING then // if user decided to ignore, we'll ignore if IgnoreWarnings then Return 0 d.Message="A warning occurred while processing your PDF code." // we add a third button to display all warnings d.AlternateActionButton.Caption = "Ignore warnings" d.AlternateActionButton.Visible = true else d.Message="An error occurred while processing your PDF code." end if d.Explanation = str(ErrorCode)+": "+ErrorMessage b=d.ShowModal //display the dialog Select Case b //determine which button was pressed. Case d.ActionButton Return 0 // ignore Case d.AlternateActionButton IgnoreWarnings = true Return 0 // ignore Case d.CancelButton Return -1 // stop End select End EventHandler
Property IgnoreWarnings As Boolean
End Class
End Sign
End Project

The items on this page are in the following plugins: MBS DynaPDF Plugin.

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