Added selectionDialog.py

src/selectionDialog.py

@@ -0,0 +1,35 @@
+import urwid
+import sys
+
+class fileIndexer(object):
+
+    def menu(self, title, choices):
+        body = [urwid.Text(title), urwid.Divider()]
+        for c in choices:
+            button = urwid.Button(c)
+            urwid.connect_signal(button, 'click', self.item_chosen, c)
+            body.append(urwid.AttrMap(button, None, focus_map='reversed'))
+        return urwid.ListBox(urwid.SimpleFocusListWalker(body))
+
+    def item_chosen(self, button, choice):
+        self.choice = choice
+        response = urwid.Text([u'You chose ', choice, u'\n'])
+        done = urwid.Button(u'Ok')
+        urwid.connect_signal(done, 'click', self.exit_program)
+        self.mainpd.original_widget = urwid.Filler(urwid.Pile([response,
+            urwid.AttrMap(done, None, focus_map='reversed')]))
+
+    def exit_program(self, button):
+        raise urwid.ExitMainLoop()
+
+    def __init__ (self, title, choices): 
+        self.mainpd = urwid.Padding(self.menu(title, choices), left=2, right=2)
+        self.top = urwid.Overlay(self.mainpd, urwid.SolidFill(u'\N{MEDIUM SHADE}'),
+            align='center', width=('relative', 60),
+            valign='middle', height=('relative', 60),
+            min_width=20, min_height=9)
+
+    def start(self):
+        urwid.MainLoop(self.top, palette=[('reversed', 'standout', '')]).run()
+        return self.choice
+