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diff --git a/cpxoview.py b/cpxoview.py
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+#!/usr/bin/python
+
+# ZetCode PyGTK tutorial
+#
+# This example shows a TreeView widget
+# in a list view mode
+#
+# author: jan bodnar
+# website: zetcode.com
+# last edited: February 2009
+
+import sys, os
+import gtk
+from sugar.datastore import datastore
+from path import path
+
+
+class Cpxoview(gtk.VBox):
+    def __init__(self, activity, deck):
+        print 'cpxoview init'
+        self.activity = activity
+        gtk.VBox.__init__(self)
+        vbox = gtk.VBox(False, 8)
+        sw = gtk.ScrolledWindow()
+        sw.set_shadow_type(gtk.SHADOW_ETCHED_IN)
+        sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
+        self.pack_start(sw, True, True, 0)
+        treeView = gtk.TreeView()
+        treeView.connect("row-activated", self.on_activated)
+        treeView.set_rules_hint(True)
+        sw.add(treeView)
+        self.create_columns(treeView)
+        self.treeView = treeView
+        self.deck = deck
+        self.add(vbox)
+        self.show_all()
+
+    def create_columns(self, treeView):
+
+        rendererText = gtk.CellRendererText()
+        column = gtk.TreeViewColumn("Title", rendererText, text=0)
+        column.set_sort_column_id(0)
+        treeView.append_column(column)
+        rendererText = gtk.CellRendererText()
+        column = gtk.TreeViewColumn("Description", rendererText, text=1)
+        column.set_sort_column_id(1)
+        treeView.append_column(column)
+        rendererText = gtk.CellRendererText()
+        column = gtk.TreeViewColumn("Date", rendererText, text=2)
+        column.set_sort_column_id(2)
+        treeView.append_column(column)
+
+    def get_treeView(self):
+        return self.treeView
+
+    def set_store(self):
+        print 'set_store'
+        store = gtk.ListStore(str, str, str)
+        #get objects from the local datastore
+        ds_objects, num_objects = datastore.find({'mime_type':['application/x-classroompresenter']})
+        for f in ds_objects:
+            try:
+                title = f.metadata['title']
+            except:
+                title = ""
+            try:
+                description = f.metadata['description']
+            except:
+                description = ''
+            try:
+                timestamp = f.metadata['timestamp']
+            except:
+                timestamp = "0"
+            store.append([title, description, timestamp])
+            f.destroy()
+        print 'return cpxo store'
+        return store
+
+    def on_activated(self, widget, row, col):
+
+        print 'cpxo on_activated'
+        model = widget.get_model()
+        print 'row', model[row][0], model[row][1], model[row][2]
+        title = model[row][0]
+        description = model[row][1]
+        timestamp = model[row][2]
+        print 'search for', title, description, timestamp
+        if int(timestamp) > 0:
+            ds_objects, num_objects = datastore.find({'title':[title], 'timestamp':[timestamp]})
+        else:
+            ds_objects, num_objects = datastore.find({'title':[title], 'description': [description]})
+        if num_objects > 0:
+            object = ds_objects[0]
+        else:
+            print 'datastore find failed', f
+        fn = object.file_path
+        print 'object filename', path(fn).exists(), fn
+        #open slideshow, set Navigation toolbar current
+        self.activity.read_file(fn)
+        for object in ds_objects:
+            object.destroy()
+        self.activity.set_screen(2)
+
+