def __init__(self):
Gtk.EventBox.__init__(self)
#Adding HBox
self.mainbox=Gtk.HPaned()
#self.mainbox.orientation(gtk.Orientation.VERTICAL #gtk.HBox()
self.elementBox=Gtk.VBox()
scrolled_window = Gtk.VPaned()#gtk.ScrolledWindow()
scrolled_window.set_border_width(5)
scrolled_window.set_size_request(300, 300)
scrolled_window.add(self.elementBox)
self.treestore=Gtk.TreeStore(str)
self.treestore.clear()
self.exampleNode=self.treestore.append(None,[_("Examples")])
#self.newitem=self.treestore.append(self.exampleNode,["test1"])
self.programNode=self.treestore.append(None,[_("Your Programs")])
#adding treeview
self.treeview=Gtk.TreeView()
#adding treeviewcolumn
self.tvcolumn=Gtk.TreeViewColumn(_("Explorer"))
self.cell=Gtk.CellRendererText()
self.tvcolumn.pack_start(self.cell,True)
self.tvcolumn.add_attribute(self.cell,"text",0)
self.treeview.append_column(self.tvcolumn)
self.treeview.set_model(self.treestore)
#add handler for row-activated signal
self.treeview.connect('row-activated',self.openSelectedFile)
#changed was causing different behavior as when treeview is refreshed, it calls openSelected, thus opening all files under this section
#self.treeview.get_selection().connect("changed", self.openSelectedFile)
#create a scrolled window for explorer
self.explorerScrollWindow=Gtk.ScrolledWindow()
self.explorerScrollWindow.set_policy(Gtk.PolicyType.NEVER,Gtk.PolicyType.AUTOMATIC);
self.explorerScrollWindow.add(self.treeview)
self.explorerScrollWindow.set_size_request(100,650)
self.elementBox.pack_start(self.explorerScrollWindow,False,False,0)
#self.elementBox.pack_start(self.btn2,False,False,0)
#Adding Notebook
self.notebook=Notebook()
self.notebook.tab_curvature=100
self.notebook.set_scrollable(True)
self.notebook.show()
#Adding Notebook pages
self.addPage(None,None)
self.mainbox.add(scrolled_window)
self.mainbox.add(self.notebook)
self.add(self.mainbox)
