1 files changed, 34 insertions, 4 deletions
diff --git a/tutorius/properties.py b/tutorius/properties.py
index 5422532..ba3c211 100644
--- a/tutorius/properties.py
+++ b/tutorius/properties.py
@@ -24,7 +24,8 @@ from copy import copy, deepcopy
 from .constraints import Constraint, \
         UpperLimitConstraint, LowerLimitConstraint, \
         MaxSizeConstraint, MinSizeConstraint, \
-        ColorConstraint, FileConstraint, BooleanConstraint, EnumConstraint
+        ColorConstraint, FileConstraint, BooleanConstraint, EnumConstraint, \
+        ResourceConstraint
 
 class TPropContainer(object):
     """
@@ -261,8 +262,6 @@ class TFileProperty(TutoriusProperty):
         
         For now, the path may be relative or absolute, as long as it exists on
         the local machine.
-        TODO : Make sure that we have a file scheme that supports distribution
-        on other computers (LP 355197)
         """
         TutoriusProperty.__init__(self)
         
@@ -351,7 +350,7 @@ class TEventType(TutoriusProperty):
 
 class TAddonListProperty(TutoriusProperty):
     """
-    Reprensents an embedded tutorius Addon List Component.
+    Represents an embedded tutorius Addon List Component.
     See TAddonProperty
     """
     def __init__(self):
@@ -367,3 +366,34 @@ class TAddonListProperty(TutoriusProperty):
             return value
         raise ValueError("Value proposed to TAddonListProperty is not a list")
 
+class TResourceProperty(TutoriusProperty):
+    """
+    Represents a resource in the tutorial. A resource is a file with a specific
+    name that exists under the tutorials folder. It is distributed alongside the
+    tutorial itself.
+
+    When the system encounters a resource, it knows that it refers to a file in
+    the resource folder and that it should translate this resource name to an
+    absolute file name before it is executed.
+
+    E.g. An image is added to a tutorial in an action. On doing so, the creator
+        adds a resource to the tutorial, then saves its name in the resource
+        property of that action. When this tutorial is executed, the Engine
+        replaces all the TResourceProperties inside the action by their equivalent
+        TFileProperties with absolute paths, so that they can be used on any
+        machine.
+    """
+    def __init__(self, resource_name=""):
+        """
+        Creates a new resource pointing to an existing resource.
+        
+        @param resource_name The file name of the resource (should be only the 
+                            file name itself, no directory information)
+        """
+        TutoriusProperty.__init__(self)
+        self.type = "resource"
+
+        self.resource_cons = ResourceConstraint()
+
+        self.default = self.validate("")
+