From b0274f9a824d8ef82cbe66398d5afaa6ca75d9dc Mon Sep 17 00:00:00 2001
From: Vincent Vinet <vince.vinet@gmail.com>
Date: Wed, 14 Oct 2009 18:35:26 +0000
Subject: add the readfile action, hack the constraints to make it work

---
(limited to 'addons/readfile.py')

diff --git a/addons/readfile.py b/addons/readfile.py
new file mode 100644
index 0000000..4aa054e
--- /dev/null
+++ b/addons/readfile.py
@@ -0,0 +1,55 @@
+# Copyright (C) 2009, Tutorius.org
+#
+# 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
+
+import os
+
+from sugar.tutorius.actions import Action
+from sugar.tutorius.properties import TFileProperty
+from sugar.tutorius.services import ObjectStore
+
+class ReadFile(Action):
+    filename = TFileProperty(None)
+
+    def __init__(self, filename=None):
+        """
+        Calls activity.read_file to load a specified state
+        @param filename Path to the file to read
+        """
+        Action.__init__(self)
+
+        if filename:
+            self.filename=filename
+
+    def do(self):
+        """
+        Perform the action, call read_file on the activity
+        """
+        if os.path.isfile(str(self.filename)):
+            ObjectStore().activity.read_file(self.filename)
+
+    def undo(self):
+        """
+        Not undoable
+        """
+        pass
+
+__action__ = {
+    "name" : "ReadFile",
+    "display_name" : "Read File",
+    "icon" : "message-bubble", #FIXME
+    "class" : ReadFile,
+    "mandatory_props" : ["filename"]
+}
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