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/DynaPDF/text editing/edit text

Required plugins for this example: MBS DynaPDF Plugin

You find this example project in your Plugins Download as a Xojo project file within the examples folder: /DynaPDF/text editing/edit text

This example is the version from Thu, 6th Apr 2016.

Project "edit text.xojo_binary_project"
Filetype text
Filetype icc
End FileTypes
MenuBar MenuBar1
MenuItem UntitledMenu1 = ""
MenuItem FileMenu = "&File"
MenuItem FileQuit = "Quit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem UntitledMenu0 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "Clear"
End MenuBar
Class App Inherits Application
EventHandler Sub Open() dim pdf as new MyDynapdfMBS pdf.SetLicenseKey "Pro" // For this example you can use a Pro or Enterprise License dim outfile as FolderItem=SpecialFolder.Desktop.Child("edit text.pdf") call pdf.CreateNewPDF outfile dim filepath as FolderItem=FindFile("taxform.pdf") // We import the contents only without conversion of pages to templates call pdf.SetImportFlags(BitwiseOr(pdf.kifImportAll, pdf.kifImportAsPage)) if pdf.OpenImportFile(filePath, pdf.kptOpen, "")<>0 then MsgBox "Input file """+""" not found!" quit end if call pdf.ImportPDFFile(1, 1.0, 1.0) call pdf.CloseImportFile dim editor as new MyDynaPDFEditTextMBS(pdf) dim found as integer dim pageCount as integer = pdf.GetPageCount for i as integer = 1 to pageCount // DynaPDF error messages are already handled in the error callback function! if pdf.EditPage(i) then // disable font errors while editing. The class handles them pdf.IgnoreFontWarnings = true 'The function FindPattern() searches for a string. found = editor.FindPattern("2002") 'ReplacePattern() replaces the text with a new one or deletes it if the new string 'is an empty string. The new text is written in red color so that you can better 'find it. Take a look into the event PrepareWrite if you want to 'write the text in the orignal color... editor.ReplacePattern("2010") pdf.IgnoreFontWarnings = false call pdf.EndPage end if next call pdf.CloseFile outFile.Launch quit 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
Class MyDynaPDFMBS Inherits DynaPDFMBS
EventHandler Function Error(ErrorCode as integer, ErrorMessage as string, ErrorType as integer) As integer if IgnoreFontWarnings then if BitAnd(ErrorType, me.kE_WARNING) = me.kE_WARNING then if ErrorCode = 16 then Return 0 // ignore end if end if end if // 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 IgnoreFontWarnings As Boolean
Property IgnoreWarnings As Boolean
End Class
Class MyDynaPDFEditTextMBS Inherits DynaPDFEditTextMBS
EventHandler Function PrepareWrite(M as DynapdfMatrixMBS, text as string) As boolean call parent.SetFillColorSpace parent.kcsDeviceRGB call parent.SetFillColor parent.kPDF_RED call parent.SetStrokeColor parent.kPDF_RED Return false // allow text drawing End EventHandler
End Class
End Project

See also:

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

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