added missing button state

[wxWidgets.git] / wxPython / wx / lib / docview.py

diff --git a/wxPython/wx/lib/docview.py b/wxPython/wx/lib/docview.py
index 01c490c2dcefc43b151b77ee89cf98eb06eedea9..8f85b4be2fbea554c3b60311d4854262bfca9778 100644 (file)
--- a/wxPython/wx/lib/docview.py
+++ b/wxPython/wx/lib/docview.py
@@ -6,13 +6,14 @@
 #
 # Created:      5/15/03
 # CVS-ID:       $Id$
 #
 # Created:      5/15/03
 # CVS-ID:       $Id$

-# Copyright:    (c) 2003-2005 ActiveGrid, Inc. (Port of wxWindows classes by Julian Smart et al)
+# Copyright:    (c) 2003-2006 ActiveGrid, Inc. (Port of wxWindows classes by Julian Smart et al)

 # License:      wxWindows license
 #----------------------------------------------------------------------------
 
 
 import os
 import os.path
 # License:      wxWindows license
 #----------------------------------------------------------------------------
 
 
 import os
 import os.path

+import shutil

 import wx
 import sys
 _ = wx.GetTranslation
 import wx
 import sys
 _ = wx.GetTranslation


@@ -27,10 +28,12 @@ DOC_MDI = 2
 DOC_NEW = 4
 DOC_SILENT = 8
 DOC_OPEN_ONCE = 16
 DOC_NEW = 4
 DOC_SILENT = 8
 DOC_OPEN_ONCE = 16

+DOC_NO_VIEW = 32

 DEFAULT_DOCMAN_FLAGS = DOC_SDI & DOC_OPEN_ONCE
 
 TEMPLATE_VISIBLE = 1
 TEMPLATE_INVISIBLE = 2
 DEFAULT_DOCMAN_FLAGS = DOC_SDI & DOC_OPEN_ONCE
 
 TEMPLATE_VISIBLE = 1
 TEMPLATE_INVISIBLE = 2

+TEMPLATE_NO_CREATE = (4 | TEMPLATE_VISIBLE)

 DEFAULT_TEMPLATE_FLAGS = TEMPLATE_VISIBLE
 
 MAX_FILE_HISTORY = 9
 DEFAULT_TEMPLATE_FLAGS = TEMPLATE_VISIBLE
 
 MAX_FILE_HISTORY = 9


@@ -76,17 +79,20 @@ class Document(wx.EvtHandler):
     The document class can be used to model an application's file-based data. It
     is part of the document/view framework supported by wxWindows, and cooperates
     with the wxView, wxDocTemplate and wxDocManager classes.
     The document class can be used to model an application's file-based data. It
     is part of the document/view framework supported by wxWindows, and cooperates
     with the wxView, wxDocTemplate and wxDocManager classes.

+    
+    Note this wxPython version also keeps track of the modification date of the
+    document and if it changes on disk outside of the application, we will warn the
+    user before saving to avoid clobbering the file.

     """
 
 
     """
 
 

-    def __init__(self, parent = None):
+    def __init__(self, parent=None):

         """
         Constructor.  Define your own default constructor to initialize
         application-specific data.
         """
         wx.EvtHandler.__init__(self)
 
         """
         Constructor.  Define your own default constructor to initialize
         application-specific data.
         """
         wx.EvtHandler.__init__(self)
 

-        self._documentModified = False

         self._documentParent = parent
         self._documentTemplate = None
         self._commandProcessor = None
         self._documentParent = parent
         self._documentTemplate = None
         self._commandProcessor = None


@@ -97,6 +103,7 @@ class Document(wx.EvtHandler):
         self._documentFile = None
         self._documentTypeName = None
         self._documentModified = False
         self._documentFile = None
         self._documentTypeName = None
         self._documentModified = False

+        self._documentModificationDate = None

         self._documentViews = []
 
 
         self._documentViews = []
 
 


@@ -167,7 +174,7 @@ class Document(wx.EvtHandler):
         return self._savedYet
 
 
         return self._savedYet
 
 

-    def SetDocumentSaved(self, saved = True):
+    def SetDocumentSaved(self, saved=True):

         """
         Sets whether the document has been saved.  This method has been
         added to wxPython and is not in wxWindows.
         """
         Sets whether the document has been saved.  This method has been
         added to wxPython and is not in wxWindows.


@@ -207,8 +214,38 @@ class Document(wx.EvtHandler):
         false otherwise. You may need to override this if your document view
         maintains its own record of being modified (for example if using
         xTextWindow to view and edit the document).
         false otherwise. You may need to override this if your document view
         maintains its own record of being modified (for example if using
         xTextWindow to view and edit the document).

+        This method has been extended to notify its views that the dirty flag has changed.

         """
         self._documentModified = modify
         """
         self._documentModified = modify

+        self.UpdateAllViews(hint=("modify", self, self._documentModified))
+
+
+    def SetDocumentModificationDate(self):
+        """
+        Saves the file's last modification date.
+        This is used to check if the file has been modified outside of the application.
+        This method has been added to wxPython and is not in wxWindows.
+        """
+        self._documentModificationDate = os.path.getmtime(self.GetFilename())
+
+
+    def GetDocumentModificationDate(self):
+        """
+        Returns the file's modification date when it was loaded from disk.
+        This is used to check if the file has been modified outside of the application.        
+        This method has been added to wxPython and is not in wxWindows.
+        """
+        return self._documentModificationDate
+
+
+    def IsDocumentModificationDateCorrect(self):
+        """
+        Returns False if the file has been modified outside of the application.
+        This method has been added to wxPython and is not in wxWindows.
+        """
+        if not os.path.exists(self.GetFilename()):  # document must be in memory only and can't be out of date
+            return True
+        return self._documentModificationDate == os.path.getmtime(self.GetFilename())

 
 
     def GetViews(self):
 
 
     def GetViews(self):


@@ -246,6 +283,7 @@ class Document(wx.EvtHandler):
         Destructor. Removes itself from the document manager.
         """
         self.DeleteContents()
         Destructor. Removes itself from the document manager.
         """
         self.DeleteContents()

+        self._documentModificationDate = None

         if self.GetDocumentManager():
             self.GetDocumentManager().RemoveDocument(self)
         wx.EvtHandler.Destroy(self)
         if self.GetDocumentManager():
             self.GetDocumentManager().RemoveDocument(self)
         wx.EvtHandler.Destroy(self)


@@ -338,6 +376,23 @@ class Document(wx.EvtHandler):
         if not self.IsModified():  # and self._savedYet:  This was here, but if it is not modified who cares if it hasn't been saved yet?
             return True
 
         if not self.IsModified():  # and self._savedYet:  This was here, but if it is not modified who cares if it hasn't been saved yet?
             return True
 

+        """ check for file modification outside of application """
+        if not self.IsDocumentModificationDateCorrect():
+            msgTitle = wx.GetApp().GetAppName()
+            if not msgTitle:
+                msgTitle = _("Application")
+            res = wx.MessageBox(_("'%s' has been modified outside of %s.  Overwrite '%s' with current changes?") % (self.GetPrintableName(), msgTitle, self.GetPrintableName()),
+                                msgTitle,
+                                wx.YES_NO | wx.CANCEL | wx.ICON_QUESTION,
+                                self.GetDocumentWindow())
+    
+            if res == wx.NO:
+                return True
+            elif res == wx.YES:
+                pass
+            else: # elif res == wx.CANCEL:
+                return False
+        

         if not self._documentFile or not self._savedYet:
             return self.SaveAs()
         return self.OnSaveDocument(self._documentFile)
         if not self._documentFile or not self._savedYet:
             return self.SaveAs()
         return self.OnSaveDocument(self._documentFile)


@@ -396,6 +451,8 @@ class Document(wx.EvtHandler):
             msgTitle = _("File Error")
 
         backupFilename = None
             msgTitle = _("File Error")
 
         backupFilename = None

+        fileObject = None
+        copied = False

         try:
             # if current file exists, move it to a safe place temporarily
             if os.path.exists(filename):
         try:
             # if current file exists, move it to a safe place temporarily
             if os.path.exists(filename):


@@ -413,18 +470,27 @@ class Document(wx.EvtHandler):
                 while os.path.exists(backupFilename):
                     i += 1
                     backupFilename = "%s.bak%s" % (filename, i)
                 while os.path.exists(backupFilename):
                     i += 1
                     backupFilename = "%s.bak%s" % (filename, i)

-                os.rename(filename, backupFilename)
+                shutil.copy(filename, backupFilename)
+                copied = True

 
             fileObject = file(filename, 'w')
             self.SaveObject(fileObject)
 
             fileObject = file(filename, 'w')
             self.SaveObject(fileObject)

-
+            fileObject.close()
+            fileObject = None
+            

             if backupFilename:
                 os.remove(backupFilename)
         except:
             if backupFilename:
                 os.remove(backupFilename)
         except:

-            # save failed, restore old file
-            if backupFilename:
-                os.remove(filename)
-                os.rename(backupFilename, filename)
+            # for debugging purposes
+            import traceback
+            traceback.print_exc()
+
+            if fileObject:
+                fileObject.close()  # file is still open, close it, need to do this before removal 
+
+            # save failed, remove copied file
+            if backupFilename and copied:
+                os.remove(backupFilename)

 
             wx.MessageBox("Could not save '%s'.  %s" % (FileNameFromPath(filename), sys.exc_value),
                           msgTitle,
 
             wx.MessageBox("Could not save '%s'.  %s" % (FileNameFromPath(filename), sys.exc_value),
                           msgTitle,


@@ -432,6 +498,7 @@ class Document(wx.EvtHandler):
                           self.GetDocumentWindow())
             return False
 
                           self.GetDocumentWindow())
             return False
 

+        self.SetDocumentModificationDate()

         self.SetFilename(filename, True)
         self.Modify(False)
         self.SetDocumentSaved(True)
         self.SetFilename(filename, True)
         self.Modify(False)
         self.SetDocumentSaved(True)


@@ -459,13 +526,23 @@ class Document(wx.EvtHandler):
         fileObject = file(filename, 'r')
         try:
             self.LoadObject(fileObject)
         fileObject = file(filename, 'r')
         try:
             self.LoadObject(fileObject)

+            fileObject.close()
+            fileObject = None

         except:
         except:

+            # for debugging purposes
+            import traceback
+            traceback.print_exc()
+
+            if fileObject:
+                fileObject.close()  # file is still open, close it 
+

             wx.MessageBox("Could not open '%s'.  %s" % (FileNameFromPath(filename), sys.exc_value),
                           msgTitle,
                           wx.OK | wx.ICON_EXCLAMATION,
                           self.GetDocumentWindow())
             return False
 
             wx.MessageBox("Could not open '%s'.  %s" % (FileNameFromPath(filename), sys.exc_value),
                           msgTitle,
                           wx.OK | wx.ICON_EXCLAMATION,
                           self.GetDocumentWindow())
             return False
 

+        self.SetDocumentModificationDate()

         self.SetFilename(filename, True)
         self.Modify(False)
         self.SetDocumentSaved(True)
         self.SetFilename(filename, True)
         self.Modify(False)
         self.SetDocumentSaved(True)


@@ -549,6 +626,24 @@ class Document(wx.EvtHandler):
         if not self.IsModified():
             return True
 
         if not self.IsModified():
             return True
 

+        """ check for file modification outside of application """
+        if not self.IsDocumentModificationDateCorrect():
+            msgTitle = wx.GetApp().GetAppName()
+            if not msgTitle:
+                msgTitle = _("Warning")
+            res = wx.MessageBox(_("'%s' has been modified outside of %s.  Overwrite '%s' with current changes?") % (self.GetPrintableName(), msgTitle, self.GetPrintableName()),
+                                msgTitle,
+                                wx.YES_NO | wx.CANCEL | wx.ICON_QUESTION,
+                                self.GetDocumentWindow())
+    
+            if res == wx.NO:
+                self.Modify(False)
+                return True
+            elif res == wx.YES:
+                return wx.lib.docview.Document.Save(self)
+            else: # elif res == wx.CANCEL:
+                return False
+

         msgTitle = wx.GetApp().GetAppName()
         if not msgTitle:
             msgTitle = _("Warning")
         msgTitle = wx.GetApp().GetAppName()
         if not msgTitle:
             msgTitle = _("Warning")


@@ -600,8 +695,10 @@ class Document(wx.EvtHandler):
         """
         The default implementation calls DeleteContents (an empty
         implementation) sets the modified flag to false. Override this to
         """
         The default implementation calls DeleteContents (an empty
         implementation) sets the modified flag to false. Override this to

-        supply additional behaviour when the document is closed with Close.
+        supply additional behaviour when the document is opened with Open.

         """
         """

+        if flags & DOC_NO_VIEW:
+            return True

         return self.GetDocumentTemplate().CreateView(self, flags)
 
 
         return self.GetDocumentTemplate().CreateView(self, flags)
 
 


@@ -760,8 +857,14 @@ class View(wx.EvtHandler):
         unused but may in future contain application-specific information for
         making updating more efficient.
         """
         unused but may in future contain application-specific information for
         making updating more efficient.
         """

-        pass
-
+        if hint:
+            if hint[0] == "modify":  # if dirty flag changed, update the view's displayed title
+                frame = self.GetFrame()
+                if frame and hasattr(frame, "OnTitleIsModified"):
+                    frame.OnTitleIsModified()
+                    return True
+        return False
+        

 
     def OnChangeFilename(self):
         """
 
     def OnChangeFilename(self):
         """


@@ -816,7 +919,7 @@ class View(wx.EvtHandler):
         self._viewTypeName = name
 
 
         self._viewTypeName = name
 
 

-    def Close(self, deleteWindow = True):
+    def Close(self, deleteWindow=True):

         """
         Closes the view by calling OnClose. If deleteWindow is true, this
         function should delete the window associated with the view.
         """
         Closes the view by calling OnClose. If deleteWindow is true, this
         function should delete the window associated with the view.


@@ -827,7 +930,7 @@ class View(wx.EvtHandler):
             return False
 
 
             return False
 
 

-    def Activate(self, activate = True):
+    def Activate(self, activate=True):

         """
         Call this from your view frame's OnActivate member to tell the
         framework which view is currently active. If your windowing system
         """
         Call this from your view frame's OnActivate member to tell the
         framework which view is currently active. If your windowing system


@@ -843,7 +946,7 @@ class View(wx.EvtHandler):
             self.GetDocumentManager().ActivateView(self, activate)
 
 
             self.GetDocumentManager().ActivateView(self, activate)
 
 

-    def OnClose(self, deleteWindow = True):
+    def OnClose(self, deleteWindow=True):

         """
         Implements closing behaviour. The default implementation calls
         wxDocument.Close to close the associated document. Does not delete the
         """
         Implements closing behaviour. The default implementation calls
         wxDocument.Close to close the associated document. Does not delete the


@@ -884,7 +987,7 @@ class View(wx.EvtHandler):
 
         Override to return an instance of a class other than wxDocPrintout.
         """
 
         Override to return an instance of a class other than wxDocPrintout.
         """

-        return DocPrintout(self)
+        return DocPrintout(self, self.GetDocument().GetPrintableName())

 
 
     def GetFrame(self):
 
 
     def GetFrame(self):


@@ -924,7 +1027,7 @@ class DocTemplate(wx.Object):
     """
 
 
     """
 
 

-    def __init__(self, manager, description, filter, dir, ext, docTypeName, viewTypeName, docType, viewType, flags = DEFAULT_TEMPLATE_FLAGS, icon = None):
+    def __init__(self, manager, description, filter, dir, ext, docTypeName, viewTypeName, docType, viewType, flags=DEFAULT_TEMPLATE_FLAGS, icon=None):

         """
         Constructor. Create instances dynamically near the start of your
         application after creating a wxDocManager instance, and before doing
         """
         Constructor. Create instances dynamically near the start of your
         application after creating a wxDocManager instance, and before doing


@@ -936,7 +1039,7 @@ class DocTemplate(wx.Object):
         string will be displayed in the file filter list of Windows file
         selectors.
 
         string will be displayed in the file filter list of Windows file
         selectors.
 

-        filter is an appropriate file filter such as *.txt.
+        filter is an appropriate file filter such as \*.txt.

 
         dir is the default directory to use for file selectors.
 
 
         dir is the default directory to use for file selectors.
 


@@ -1113,6 +1216,16 @@ class DocTemplate(wx.Object):
         return (self._flags & TEMPLATE_VISIBLE) == TEMPLATE_VISIBLE
 
 
         return (self._flags & TEMPLATE_VISIBLE) == TEMPLATE_VISIBLE
 
 

+    def IsNewable(self):
+        """
+        Returns true if the document template can be shown in "New" dialogs,
+        false otherwise.
+        
+        This method has been added to wxPython and is not in wxWindows.
+        """
+        return (self._flags & TEMPLATE_NO_CREATE) != TEMPLATE_NO_CREATE
+        
+

     def GetDocumentName(self):
         """
         Returns the document type name, as passed to the document template
     def GetDocumentName(self):
         """
         Returns the document type name, as passed to the document template


@@ -1170,8 +1283,9 @@ class DocTemplate(wx.Object):
         """
         ext = FindExtension(path)
         if not ext: return False
         """
         ext = FindExtension(path)
         if not ext: return False

-        return ext in self.GetFileFilter()
-        # return self.GetDefaultExtension() == FindExtension(path)
+        
+        extList = self.GetFileFilter().replace('*','').split(';')
+        return ext in extList

 
 
 class DocManager(wx.EvtHandler):
 
 
 class DocManager(wx.EvtHandler):


@@ -1181,7 +1295,7 @@ class DocManager(wx.EvtHandler):
     classes.
     """
 
     classes.
     """
 

-    def __init__(self, flags = DEFAULT_DOCMAN_FLAGS, initialize = True):
+    def __init__(self, flags=DEFAULT_DOCMAN_FLAGS, initialize=True):

         """
         Constructor. Create a document manager instance dynamically near the
         start of your application before doing any document or view operations.
         """
         Constructor. Create a document manager instance dynamically near the
         start of your application before doing any document or view operations.


@@ -1254,7 +1368,7 @@ class DocManager(wx.EvtHandler):
         return self._flags
 
 
         return self._flags
 
 

-    def CloseDocument(self, doc, force = True):
+    def CloseDocument(self, doc, force=True):

         """
         Closes the specified document.
         """
         """
         Closes the specified document.
         """


@@ -1266,7 +1380,7 @@ class DocManager(wx.EvtHandler):
         return False
 
 
         return False
 
 

-    def CloseDocuments(self, force = True):
+    def CloseDocuments(self, force=True):

         """
         Closes all currently opened documents.
         """
         """
         Closes all currently opened documents.
         """


@@ -1277,7 +1391,7 @@ class DocManager(wx.EvtHandler):
         return True
 
 
         return True
 
 

-    def Clear(self, force = True):
+    def Clear(self, force=True):

         """
         Closes all currently opened document by callling CloseDocuments and
         clears the document manager's templates.
         """
         Closes all currently opened document by callling CloseDocuments and
         clears the document manager's templates.


@@ -1330,7 +1444,7 @@ class DocManager(wx.EvtHandler):
         """
         return self.CloseDocuments(force = False)
 
         """
         return self.CloseDocuments(force = False)
 

-
+    

     def OnFileNew(self, event):
         """
         Creates a new document and reads in the selected file.
     def OnFileNew(self, event):
         """
         Creates a new document and reads in the selected file.


@@ -1389,9 +1503,14 @@ class DocManager(wx.EvtHandler):
 
         printout = view.OnCreatePrintout()
         if printout:
 
         printout = view.OnCreatePrintout()
         if printout:

-            pdd = wx.PrintDialogData()
+            if not hasattr(self, "printData"):
+                self.printData = wx.PrintData()
+                self.printData.SetPaperId(wx.PAPER_LETTER)
+            self.printData.SetPrintMode(wx.PRINT_MODE_PRINTER)
+                
+            pdd = wx.PrintDialogData(self.printData)

             printer = wx.Printer(pdd)
             printer = wx.Printer(pdd)

-            printer.Print(view.GetFrame(), printout) # , True)
+            printer.Print(view.GetFrame(), printout)

 
 
     def OnPrintSetup(self, event):
 
 
     def OnPrintSetup(self, event):


@@ -1404,11 +1523,21 @@ class DocManager(wx.EvtHandler):
         else:
             parentWin = wx.GetApp().GetTopWindow()
 
         else:
             parentWin = wx.GetApp().GetTopWindow()
 

-        data = wx.PrintDialogData()
+        if not hasattr(self, "printData"):
+            self.printData = wx.PrintData()
+            self.printData.SetPaperId(wx.PAPER_LETTER)
+            
+        data = wx.PrintDialogData(self.printData)

         printDialog = wx.PrintDialog(parentWin, data)
         printDialog.GetPrintDialogData().SetSetupDialog(True)
         printDialog.ShowModal()
         printDialog = wx.PrintDialog(parentWin, data)
         printDialog.GetPrintDialogData().SetSetupDialog(True)
         printDialog.ShowModal()

-        # TODO: Confirm that we don't have to remember PrintDialogData
+        
+        # this makes a copy of the wx.PrintData instead of just saving
+        # a reference to the one inside the PrintDialogData that will
+        # be destroyed when the dialog is destroyed
+        self.printData = wx.PrintData(printDialog.GetPrintDialogData().GetPrintData())
+        
+        printDialog.Destroy()

 
 
     def OnPreview(self, event):
 
 
     def OnPreview(self, event):


@@ -1422,13 +1551,22 @@ class DocManager(wx.EvtHandler):
 
         printout = view.OnCreatePrintout()
         if printout:
 
         printout = view.OnCreatePrintout()
         if printout:

+            if not hasattr(self, "printData"):
+                self.printData = wx.PrintData()
+                self.printData.SetPaperId(wx.PAPER_LETTER)
+            self.printData.SetPrintMode(wx.PRINT_MODE_PREVIEW)
+                
+            data = wx.PrintDialogData(self.printData)

             # Pass two printout objects: for preview, and possible printing.
             # Pass two printout objects: for preview, and possible printing.

-            preview = wx.PrintPreview(printout, view.OnCreatePrintout())
+            preview = wx.PrintPreview(printout, view.OnCreatePrintout(), data)
+            if not preview.Ok():
+                wx.MessageBox(_("Unable to display print preview."))
+                return

             # wxWindows source doesn't use base frame's pos, size, and icon, but did it this way so it would work like MS Office etc.
             mimicFrame =  wx.GetApp().GetTopWindow()
             frame = wx.PreviewFrame(preview, mimicFrame, _("Print Preview"), mimicFrame.GetPosition(), mimicFrame.GetSize())
             frame.SetIcon(mimicFrame.GetIcon())
             # wxWindows source doesn't use base frame's pos, size, and icon, but did it this way so it would work like MS Office etc.
             mimicFrame =  wx.GetApp().GetTopWindow()
             frame = wx.PreviewFrame(preview, mimicFrame, _("Print Preview"), mimicFrame.GetPosition(), mimicFrame.GetSize())
             frame.SetIcon(mimicFrame.GetIcon())

-            frame.SetTitle(mimicFrame.GetTitle() + _(" - Preview"))
+            frame.SetTitle(_("%s - %s - Preview") % (mimicFrame.GetTitle(), view.GetDocument().GetPrintableName()))

             frame.Initialize()
             frame.Show(True)
 
             frame.Initialize()
             frame.Show(True)
 


@@ -1514,7 +1652,7 @@ class DocManager(wx.EvtHandler):
         if doc and doc.GetCommandProcessor():
             doc.GetCommandProcessor().SetMenuStrings()
         else:
         if doc and doc.GetCommandProcessor():
             doc.GetCommandProcessor().SetMenuStrings()
         else:

-            event.SetText(_("Undo") + '\t' + _('Ctrl+Z'))
+            event.SetText(_("&Undo\tCtrl+Z"))

 
 
     def OnUpdateRedo(self, event):
 
 
     def OnUpdateRedo(self, event):


@@ -1526,7 +1664,7 @@ class DocManager(wx.EvtHandler):
         if doc and doc.GetCommandProcessor():
             doc.GetCommandProcessor().SetMenuStrings()
         else:
         if doc and doc.GetCommandProcessor():
             doc.GetCommandProcessor().SetMenuStrings()
         else:

-            event.SetText(_("Redo") + '\t' + _('Ctrl+Y'))
+            event.SetText(_("&Redo\tCtrl+Y"))

 
 
     def OnUpdatePrint(self, event):
 
 
     def OnUpdatePrint(self, event):


@@ -1677,7 +1815,7 @@ class DocManager(wx.EvtHandler):
             return False
 
 
             return False
 
 

-    def CreateDocument(self, path, flags = 0):
+    def CreateDocument(self, path, flags=0):

         """
         Creates a new document in a manner determined by the flags parameter,
         which can be:
         """
         Creates a new document in a manner determined by the flags parameter,
         which can be:


@@ -1698,7 +1836,13 @@ class DocManager(wx.EvtHandler):
         will delete the oldest currently loaded document before creating a new
         one.
 
         will delete the oldest currently loaded document before creating a new
         one.
 

-        wxPython version supports the document manager's wx.lib.docview.DOC_OPEN_ONCE flag.
+        wxPython version supports the document manager's wx.lib.docview.DOC_OPEN_ONCE
+        and wx.lib.docview.DOC_NO_VIEW flag.
+        
+        if wx.lib.docview.DOC_OPEN_ONCE is present, trying to open the same file multiple 
+        times will just return the same document.
+        if wx.lib.docview.DOC_NO_VIEW is present, opening a file will generate the document,
+        but not generate a corresponding view.

         """
         templates = []
         for temp in self._templates:
         """
         templates = []
         for temp in self._templates:


@@ -1713,16 +1857,13 @@ class DocManager(wx.EvtHandler):
                return None
 
         if flags & DOC_NEW:
                return None
 
         if flags & DOC_NEW:

+            for temp in templates[:]:
+                if not temp.IsNewable():
+                    templates.remove(temp)

             if len(templates) == 1:
                 temp = templates[0]
             if len(templates) == 1:
                 temp = templates[0]

-                newDoc = temp.CreateDocument(path, flags)
-                if newDoc:
-                    newDoc.SetDocumentName(temp.GetDocumentName())
-                    newDoc.SetDocumentTemplate(temp)
-                    newDoc.OnNewDocument()
-                return newDoc
-
-            temp = self.SelectDocumentType(templates)
+            else:
+                temp = self.SelectDocumentType(templates)

             if temp:
                 newDoc = temp.CreateDocument(path, flags)
                 if newDoc:
             if temp:
                 newDoc = temp.CreateDocument(path, flags)
                 if newDoc:


@@ -1739,11 +1880,34 @@ class DocManager(wx.EvtHandler):
             temp, path = self.SelectDocumentPath(templates, path, flags)
 
         # Existing document
             temp, path = self.SelectDocumentPath(templates, path, flags)
 
         # Existing document

-        if self.GetFlags() & DOC_OPEN_ONCE:
+        if path and self.GetFlags() & DOC_OPEN_ONCE:

             for document in self._docs:
             for document in self._docs:

-                if document.GetFilename() == path:
+                if document.GetFilename() and os.path.normcase(document.GetFilename()) == os.path.normcase(path):
+                    """ check for file modification outside of application """
+                    if not document.IsDocumentModificationDateCorrect():
+                        msgTitle = wx.GetApp().GetAppName()
+                        if not msgTitle:
+                            msgTitle = _("Warning")
+                        shortName = document.GetPrintableName()
+                        res = wx.MessageBox(_("'%s' has been modified outside of %s.  Reload '%s' from file system?") % (shortName, msgTitle, shortName),
+                                            msgTitle,
+                                            wx.YES_NO | wx.ICON_QUESTION,
+                                            self.FindSuitableParent())
+                        if res == wx.YES:
+                           if not self.CloseDocument(document, False):
+                               wx.MessageBox(_("Couldn't reload '%s'.  Unable to close current '%s'.") % (shortName, shortName))
+                               return None
+                           return self.CreateDocument(path, flags)
+                        elif res == wx.NO:  # don't ask again
+                            document.SetDocumentModificationDate()
+

                     firstView = document.GetFirstView()
                     firstView = document.GetFirstView()

-                    if firstView and firstView.GetFrame():
+                    if not firstView and not (flags & DOC_NO_VIEW):
+                        document.GetDocumentTemplate().CreateView(document, flags)
+                        document.UpdateAllViews()
+                        firstView = document.GetFirstView()
+                        
+                    if firstView and firstView.GetFrame() and not (flags & DOC_NO_VIEW):

                         firstView.GetFrame().SetFocus()  # Not in wxWindows code but useful nonetheless
                         if hasattr(firstView.GetFrame(), "IsIconized") and firstView.GetFrame().IsIconized():  # Not in wxWindows code but useful nonetheless
                             firstView.GetFrame().Iconize(False)
                         firstView.GetFrame().SetFocus()  # Not in wxWindows code but useful nonetheless
                         if hasattr(firstView.GetFrame(), "IsIconized") and firstView.GetFrame().IsIconized():  # Not in wxWindows code but useful nonetheless
                             firstView.GetFrame().Iconize(False)


@@ -1756,7 +1920,9 @@ class DocManager(wx.EvtHandler):
                 newDoc.SetDocumentTemplate(temp)
                 if not newDoc.OnOpenDocument(path):
                     newDoc.DeleteAllViews()  # Implicitly deleted by DeleteAllViews
                 newDoc.SetDocumentTemplate(temp)
                 if not newDoc.OnOpenDocument(path):
                     newDoc.DeleteAllViews()  # Implicitly deleted by DeleteAllViews

-                    newDoc.GetFirstView().GetFrame().Destroy() # DeleteAllViews doesn't get rid of the frame, so we'll explicitly destroy it.
+                    frame = newDoc.GetFirstView().GetFrame()
+                    if frame:
+                        frame.Destroy() # DeleteAllViews doesn't get rid of the frame, so we'll explicitly destroy it.

                     return None
                 self.AddFileToHistory(path)
             return newDoc
                     return None
                 self.AddFileToHistory(path)
             return newDoc


@@ -1764,7 +1930,7 @@ class DocManager(wx.EvtHandler):
         return None
 
 
         return None
 
 

-    def CreateView(self, document, flags = 0):
+    def CreateView(self, doc, flags=0):

         """
         Creates a new view for the given document. If more than one view is
         allowed for the document (by virtue of multiple templates mentioning
         """
         Creates a new view for the given document. If more than one view is
         allowed for the document (by virtue of multiple templates mentioning


@@ -1925,7 +2091,7 @@ class DocManager(wx.EvtHandler):
             self._fileHistory.Save(config)
 
 
             self._fileHistory.Save(config)
 
 

-    def FileHistoryAddFilesToMenu(self, menu = None):
+    def FileHistoryAddFilesToMenu(self, menu=None):

         """
         Appends the files in the history list, to all menus managed by the
         file history object.
         """
         Appends the files in the history list, to all menus managed by the
         file history object.


@@ -1955,11 +2121,17 @@ class DocManager(wx.EvtHandler):
         Given a path, try to find template that matches the extension. This is
         only an approximate method of finding a template for creating a
         document.
         Given a path, try to find template that matches the extension. This is
         only an approximate method of finding a template for creating a
         document.

+        
+        Note this wxPython verson looks for and returns a default template if no specific template is found.

         """
         """

+        default = None

         for temp in self._templates:
             if temp.FileMatchesTemplate(path):
                 return temp
         for temp in self._templates:
             if temp.FileMatchesTemplate(path):
                 return temp

-        return None
+                
+            if "*.*" in temp.GetFileFilter():
+                default = temp
+        return default

 
 
     def FindSuitableParent(self):
 
 
     def FindSuitableParent(self):


@@ -1989,41 +2161,32 @@ class DocManager(wx.EvtHandler):
         This function is used in wxDocManager.CreateDocument.
         """
         if wx.Platform == "__WXMSW__" or wx.Platform == "__WXGTK__" or wx.Platform == "__WXMAC__":
         This function is used in wxDocManager.CreateDocument.
         """
         if wx.Platform == "__WXMSW__" or wx.Platform == "__WXGTK__" or wx.Platform == "__WXMAC__":

-            allfilter = ''

             descr = ''
             for temp in templates:
                 if temp.IsVisible():
                     if len(descr) > 0:
                         descr = descr + _('|')
             descr = ''
             for temp in templates:
                 if temp.IsVisible():
                     if len(descr) > 0:
                         descr = descr + _('|')

-                        allfilter = allfilter + _(';')

                     descr = descr + temp.GetDescription() + _(" (") + temp.GetFileFilter() + _(") |") + temp.GetFileFilter()  # spacing is important, make sure there is no space after the "|", it causes a bug on wx_gtk
                     descr = descr + temp.GetDescription() + _(" (") + temp.GetFileFilter() + _(") |") + temp.GetFileFilter()  # spacing is important, make sure there is no space after the "|", it causes a bug on wx_gtk

-                    allfilter = allfilter + temp.GetFileFilter()
-            descr = _("All") + _(" (") + allfilter + _(") |") + allfilter + _('|') + descr  # spacing is important, make sure there is no space after the "|", it causes a bug on wx_gtk
+            descr = _("All|*.*|%s") % descr  # spacing is important, make sure there is no space after the "|", it causes a bug on wx_gtk

         else:
             descr = _("*.*")
 
         else:
             descr = _("*.*")
 

-        path = wx.FileSelector(_("Select a File"),
-                               self._lastDirectory,
-                               _(""),
-                               wildcard = descr,
-                               flags = wx.HIDE_READONLY,
-                               parent = self.FindSuitableParent())
-        if path:
-            if not FileExists(path):
-                msgTitle = wx.GetApp().GetAppName()
-                if not msgTitle:
-                    msgTitle = _("File Error")
-                    wx.MessageBox("Could not open '%s'." % FileNameFromPath(path),
-                          msgTitle,
-                          wx.OK | wx.ICON_EXCLAMATION,
-                          parent)
-                    return (None, None)
-            self._lastDirectory = PathOnly(path)
-
+        dlg = wx.FileDialog(self.FindSuitableParent(),
+                               _("Select a File"),
+                               wildcard=descr,
+                               style=wx.OPEN|wx.FILE_MUST_EXIST|wx.CHANGE_DIR)
+        # dlg.CenterOnParent()  # wxBug: caused crash with wx.FileDialog
+        if dlg.ShowModal() == wx.ID_OK:
+            path = dlg.GetPath()
+        else:
+            path = None
+        dlg.Destroy()
+            
+        if path:  

             theTemplate = self.FindTemplateForPath(path)
             return (theTemplate, path)
             theTemplate = self.FindTemplateForPath(path)
             return (theTemplate, path)

-
-        return (None, None)
+        
+        return (None, None)           

 
 
     def OnOpenFileFailure(self):
 
 
     def OnOpenFileFailure(self):


@@ -2033,7 +2196,7 @@ class DocManager(wx.EvtHandler):
         pass
 
 
         pass
 
 

-    def SelectDocumentType(self, temps, sort = False):
+    def SelectDocumentType(self, temps, sort=False):

         """
         Returns a document template by asking the user (if there is more than
         one template). This function is used in wxDocManager.CreateDocument.
         """
         Returns a document template by asking the user (if there is more than
         one template). This function is used in wxDocManager.CreateDocument.


@@ -2081,7 +2244,7 @@ class DocManager(wx.EvtHandler):
         return templates[res]
 
 
         return templates[res]
 
 

-    def SelectViewType(self, temps, sort = False):
+    def SelectViewType(self, temps, sort=False):

         """
         Returns a document template by asking the user (if there is more than one template), displaying a list of valid views. This function is used in wxDocManager::CreateView. The dialog normally will not appear because the array of templates only contains those relevant to the document in question, and often there will only be one such.
         """
         """
         Returns a document template by asking the user (if there is more than one template), displaying a list of valid views. This function is used in wxDocManager::CreateView. The dialog normally will not appear because the array of templates only contains those relevant to the document in question, and often there will only be one such.
         """


@@ -2151,7 +2314,7 @@ class DocManager(wx.EvtHandler):
             self._docs.remove(doc)
 
 
             self._docs.remove(doc)
 
 

-    def ActivateView(self, view, activate = True, deleting = False):
+    def ActivateView(self, view, activate=True, deleting=False):

         """
         Sets the current view.
         """
         """
         Sets the current view.
         """


@@ -2198,7 +2361,7 @@ class DocParentFrame(wx.Frame):
     classes.
     """
 
     classes.
     """
 

-    def __init__(self, manager, frame, id, title, pos = wx.DefaultPosition, size = wx.DefaultSize, style = wx.DEFAULT_FRAME_STYLE, name = "frame"):
+    def __init__(self, manager, frame, id, title, pos=wx.DefaultPosition, size=wx.DefaultSize, style=wx.DEFAULT_FRAME_STYLE, name="frame"):

         """
         Constructor.  Note that the event table must be rebuilt for the
         frame since the EvtHandler is not virtual.
         """
         Constructor.  Note that the event table must be rebuilt for the
         frame since the EvtHandler is not virtual.


@@ -2308,7 +2471,7 @@ class DocChildFrame(wx.Frame):
     """
 
 
     """
 
 

-    def __init__(self, doc, view, frame, id, title, pos = wx.DefaultPosition, size = wx.DefaultSize, style = wx.DEFAULT_FRAME_STYLE, name = "frame"):
+    def __init__(self, doc, view, frame, id, title, pos=wx.DefaultPosition, size=wx.DefaultSize, style=wx.DEFAULT_FRAME_STYLE, name="frame"):

         """
         Constructor.  Note that the event table must be rebuilt for the
         frame since the EvtHandler is not virtual.
         """
         Constructor.  Note that the event table must be rebuilt for the
         frame since the EvtHandler is not virtual.


@@ -2454,7 +2617,7 @@ class DocMDIParentFrame(wx.MDIParentFrame):
     """
 
 
     """
 
 

-    def __init__(self, manager, frame, id, title, pos = wx.DefaultPosition, size = wx.DefaultSize, style = wx.DEFAULT_FRAME_STYLE, name = "frame"):
+    def __init__(self, manager, frame, id, title, pos=wx.DefaultPosition, size=wx.DefaultSize, style=wx.DEFAULT_FRAME_STYLE, name="frame"):

         """
         Constructor.  Note that the event table must be rebuilt for the
         frame since the EvtHandler is not virtual.
         """
         Constructor.  Note that the event table must be rebuilt for the
         frame since the EvtHandler is not virtual.


@@ -2564,7 +2727,7 @@ class DocMDIChildFrame(wx.MDIChildFrame):
     """
 
 
     """
 
 

-    def __init__(self, doc, view, frame, id, title, pos = wx.DefaultPosition, size = wx.DefaultSize, style = wx.DEFAULT_FRAME_STYLE, name = "frame"):
+    def __init__(self, doc, view, frame, id, title, pos=wx.DefaultPosition, size=wx.DefaultSize, style=wx.DEFAULT_FRAME_STYLE, name="frame"):

         """
         Constructor.  Note that the event table must be rebuilt for the
         frame since the EvtHandler is not virtual.
         """
         Constructor.  Note that the event table must be rebuilt for the
         frame since the EvtHandler is not virtual.


@@ -2647,6 +2810,7 @@ class DocMDIChildFrame(wx.MDIChildFrame):
             self._childView.Activate(event.GetActive())
         self._activated = 0
 
             self._childView.Activate(event.GetActive())
         self._activated = 0
 

+

     def OnCloseWindow(self, event):
         """
         Closes and deletes the current view and document.
     def OnCloseWindow(self, event):
         """
         Closes and deletes the current view and document.


@@ -2662,8 +2826,10 @@ class DocMDIChildFrame(wx.MDIChildFrame):
                 self._childView.Activate(False)
                 self._childView.Destroy()
                 self._childView = None
                 self._childView.Activate(False)
                 self._childView.Destroy()
                 self._childView = None

-                if self._childDocument:
-                    self._childDocument.Destroy()  # This isn't in the wxWindows codebase but the document needs to be disposed of somehow
+                if self._childDocument:  # This isn't in the wxWindows codebase but the document needs to be disposed of somehow
+                    self._childDocument.DeleteContents()
+                    if self._childDocument.GetDocumentManager():
+                        self._childDocument.GetDocumentManager().RemoveDocument(self._childDocument)

                 self._childDocument = None
                 self.Destroy()
             else:
                 self._childDocument = None
                 self.Destroy()
             else:


@@ -2700,6 +2866,28 @@ class DocMDIChildFrame(wx.MDIChildFrame):
         self._childView = view
 
 
         self._childView = view
 
 

+    def OnTitleIsModified(self):
+        """
+        Add/remove to the frame's title an indication that the document is dirty.
+        If the document is dirty, an '*' is appended to the title
+        This method has been added to wxPython and is not in wxWindows.
+        """
+        title = self.GetTitle()
+        if title:
+            if self.GetDocument().IsModified():
+                if title.endswith("*"):
+                    return
+                else:
+                    title = title + "*"
+                    self.SetTitle(title)
+            else:
+                if title.endswith("*"):
+                    title = title[:-1]
+                    self.SetTitle(title)                
+                else:
+                    return
+
+

 class DocPrintout(wx.Printout):
     """
     DocPrintout is a default Printout that prints the first page of a document
 class DocPrintout(wx.Printout):
     """
     DocPrintout is a default Printout that prints the first page of a document


@@ -2707,11 +2895,11 @@ class DocPrintout(wx.Printout):
     """
 
 
     """
 
 

-    def __init__(self, view, title = "Printout"):
+    def __init__(self, view, title="Printout"):

         """
         Constructor.
         """
         """
         Constructor.
         """

-        wx.Printout.__init__(self)
+        wx.Printout.__init__(self, title)

         self._printoutView = view
 
 
         self._printoutView = view
 
 


@@ -2746,15 +2934,6 @@ class DocPrintout(wx.Printout):
         return pageNum == 1
 
 
         return pageNum == 1
 
 

-    def OnBeginDocument(self, startPage, endPage):
-        """
-        Not quite sure why this was overridden, but it was in wxWindows! :)
-        """
-        if not wx.Printout.base_OnBeginDocument(self, startPage, endPage):
-            return False
-        return True
-
-

     def GetPageInfo(self):
         """
         Indicates that the DocPrintout only has a single page.
     def GetPageInfo(self):
         """
         Indicates that the DocPrintout only has a single page.


@@ -2853,7 +3032,7 @@ class CommandProcessor(wx.Object):
     """
 
 
     """
 
 

-    def __init__(self, maxCommands = -1):
+    def __init__(self, maxCommands=-1):

         """
         Constructor.  maxCommands may be set to a positive integer to limit
         the number of commands stored to it, otherwise (and by default) the
         """
         Constructor.  maxCommands may be set to a positive integer to limit
         the number of commands stored to it, otherwise (and by default) the


@@ -2979,15 +3158,15 @@ class CommandProcessor(wx.Object):
             else:
                 redoAccel = ''
             if undoCommand and undoItem and undoCommand.CanUndo():
             else:
                 redoAccel = ''
             if undoCommand and undoItem and undoCommand.CanUndo():

-                undoItem.SetText(_("Undo ") + undoCommand.GetName() + undoAccel)
+                undoItem.SetText(_("&Undo ") + undoCommand.GetName() + undoAccel)

             #elif undoCommand and not undoCommand.CanUndo():
             #    undoItem.SetText(_("Can't Undo") + undoAccel)
             else:
             #elif undoCommand and not undoCommand.CanUndo():
             #    undoItem.SetText(_("Can't Undo") + undoAccel)
             else:

-                undoItem.SetText(_("Undo" + undoAccel))
+                undoItem.SetText(_("&Undo" + undoAccel))

             if redoCommand and redoItem:
             if redoCommand and redoItem:

-                redoItem.SetText(_("Redo ") + redoCommand.GetName() + redoAccel)
+                redoItem.SetText(_("&Redo ") + redoCommand.GetName() + redoAccel)

             else:
             else:

-                redoItem.SetText(_("Redo") + redoAccel)
+                redoItem.SetText(_("&Redo") + redoAccel)

 
 
     def CanUndo(self):
 
 
     def CanUndo(self):


@@ -3008,7 +3187,7 @@ class CommandProcessor(wx.Object):
         return self._GetCurrentRedoCommand() != None
 
 
         return self._GetCurrentRedoCommand() != None
 
 

-    def Submit(self, command, storeIt = True):
+    def Submit(self, command, storeIt=True):

         """
         Submits a new command to the command processor. The command processor
         calls wxCommand::Do to execute the command; if it succeeds, the
         """
         Submits a new command to the command processor. The command processor
         calls wxCommand::Do to execute the command; if it succeeds, the


@@ -3021,8 +3200,10 @@ class CommandProcessor(wx.Object):
         the history list.
         """
         done = command.Do()
         the history list.
         """
         done = command.Do()

-        if done and storeIt:
-            self._commands.append(command)
+        if done:
+            del self._redoCommands[:]
+            if storeIt:
+                self._commands.append(command)

         if self._maxCommands > -1:
             if len(self._commands) > self._maxCommands:
                 del self._commands[0]
         if self._maxCommands > -1:
             if len(self._commands) > self._maxCommands:
                 del self._commands[0]