# This is a sample file, and shows the basic framework for using an "Object" based
# document, rather than a "filename" based document.
# This is referenced by the Pythonwin .html documentation.

# In the example below, the OpenObject() method is used instead of OpenDocumentFile,
# and all the core MFC document open functionality is retained.

import win32ui
from pywin.mfc import docview

class object_template (docview.DocTemplate):
	def __init__(self):
		docview.DocTemplate.__init__(self, None, None, None, object_view)
	def OpenObject(self, object): # Use this instead of OpenDocumentFile.
		# Look for existing open document
		for doc in self.GetDocumentList():
			print "document is ", doc
			if doc.object is object:
				doc.GetFirstView().ActivateFrame()
				return doc
		# not found - new one.
		doc = object_document(self, object)
		frame = self.CreateNewFrame(doc)
		doc.OnNewDocument()
		doc.SetTitle(str(object))
		self.InitialUpdateFrame(frame, doc)
		return doc

class object_document (docview.Document):
	def __init__(self, template, object):
		docview.Document.__init__(self, template)
		self.object = object
	def OnOpenDocument (self, name):
		raise RuntimeError("Should not be called if template strings set up correctly")
		return 0

class object_view (docview.EditView):
	def OnInitialUpdate (self):
		self.ReplaceSel("Object is %s" % repr(self.GetDocument().object))

def demo ():
	t = object_template()		
	d = t.OpenObject(win32ui)
	return (t, d)

if __name__=='__main__':
	import demoutils
	if demoutils.NeedGoodGUI():
		demo()
