moved cli and zenity frontend to their own files

[lilass.git] / cli_frontend.py

diff --git a/cli_frontend.py b/cli_frontend.py
new file mode 100644 (file)
index 0000000..5e9d400
--- /dev/null
+++ b/cli_frontend.py
@@ -0,0 +1,51 @@
+# DSL - easy Display Setup for Laptops
+# Copyright (C) 2012-2015 Ralf Jung <post@ralfj.de>
+#
+# 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# interactive command line interface, question based
+
+from question_frontend import QuestionFrontend
+
+import sys
+
+class CLIFrontend(QuestionFrontend):
+    def error(self, message):
+        print(message, file=sys.stderr)
+
+    def userChoose (self, title, choices, returns, fallback):
+        while True:
+            # print question
+            print(title)
+            for i in range(len(choices)):
+                print("%d. %s"%(i,choices[i]))
+            print("Enter 'c' to cancel.")
+            # handle input
+            answer = input("> ")
+            if answer == "c":
+                return None
+            #else
+            try:
+                answerint = int(answer)
+                if answerint >= 0 and answerint < len(choices):
+                    return returns[answerint]
+            except ValueError:
+                pass
+            # if we are here something invalid was entered
+            print("INVALID ANSWER: '%s'" % answer)
+
+    @staticmethod
+    def isAvailable():
+        return True