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+# Copyright (C) 2009, Tutorius.org
+# Greatly influenced by sugar/activity/namingalert.py
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+""" Tutorial Editor Interpreter Module
+"""
+
+import gtk
+import pango
+from sugar.tutorius.ipython_view import *
+
+from gettext import gettext as _
+
+class EditorInterpreter(gtk.Window):
+ """
+ Interpreter that will be shown to the user
+ """
+ __gtype_name__ = 'TutoriusEditorInterpreter'
+
+ def __init__(self, activity=None):
+ gtk.Window.__init__(self)
+
+ self._activity = activity
+
+ # Set basic properties of window
+ self.set_decorated(False)
+ self.set_resizable(False)
+ self.set_modal(False)
+
+ # Connect to realize signal from ?
+ self.connect('realize', self.__realize_cb)
+
+ # Use an expander widget to allow minimizing
+ self._expander = gtk.Expander(_("Editor Interpreter"))
+ self._expander.set_expanded(True)
+ self.add(self._expander)
+ self._expander.connect("notify::expanded", self.__expander_cb)
+
+
+ # Use the IPython widget to embed
+ self.interpreter = IPythonView()
+ self.interpreter.set_wrap_mode(gtk.WRAP_CHAR)
+
+ # Expose the activity object in the interpreter
+ self.interpreter.updateNamespace({'activity':self._activity})
+
+ # Use a scroll window to permit scrolling of the interpreter prompt
+ swd = gtk.ScrolledWindow()
+ swd.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
+ swd.add(self.interpreter)
+ self.interpreter.show()
+
+ # Notify GTK that expander is ready
+ self._expander.add(swd)
+ self._expander.show()
+
+ # Notify GTK that the scrolling window is ready
+ swd.show()
+
+ def __expander_cb(self, *args):
+ """Callback for the window expander toggling"""
+ if self._expander.get_expanded():
+ self.__move_expanded()
+ else:
+ self.__move_collapsed()
+
+ def __move_expanded(self):
+ """Move the window to it's expanded position"""
+ swidth = gtk.gdk.screen_width()
+ sheight = gtk.gdk.screen_height()
+ # leave room for the scrollbar at the right
+ width = swidth - 20
+ height = 200
+
+ self.set_size_request(width, height)
+ # Put at the bottom of the screen
+ self.move(0, sheight-height)
+
+ def __move_collapsed(self):
+ """Move the window to it's collapsed position"""
+ width = 150
+ height = 40
+ swidth = gtk.gdk.screen_width()
+ sheight = gtk.gdk.screen_height()
+
+ self.set_size_request(width, height)
+ self.move(((swidth-width)/2)-150, sheight-height)
+
+ def __realize_cb(self, widget):
+ """Callback for realize"""
+ self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DIALOG)
+ self.window.set_accept_focus(True)
+ self.__move_expanded()