EvalListener to evaluate expression from inputs

[modules/shaper.git] / src / ModelAPI / ModelAPI_Events.h

diff --git a/src/ModelAPI/ModelAPI_Events.h b/src/ModelAPI/ModelAPI_Events.h
index 00e61330a7634b121fe47a5fc8361fe63229b7c1..69153a98847fc449c4962a6aeb0145a27ae4983d 100644 (file)
--- a/src/ModelAPI/ModelAPI_Events.h
+++ b/src/ModelAPI/ModelAPI_Events.h
@@ -10,6 +10,7 @@
 #include <ModelAPI.h>
 #include <ModelAPI_Object.h>
 #include <ModelAPI_Feature.h>
+#include <ModelAPI_Attribute.h>
 #include <Events_MessageGroup.h>
 #include <Events_Loop.h>
 
@@ -167,4 +168,27 @@ class ModelAPI_DocumentCreatedMessage : public Events_Message
   MODELAPI_EXPORT void setDocument(DocumentPtr theDocument);
 };
 
+/// Message that attribute text should be evaluated in the attribute value
+class ModelAPI_AttributeEvalMessage : public Events_Message
+{
+  AttributePtr myAttribute;
+
+ public:
+  /// Creates an empty message
+  MODELAPI_EXPORT ModelAPI_AttributeEvalMessage(const Events_ID theID, const void* theSender = 0);
+  /// The virtual destructor
+  MODELAPI_EXPORT virtual ~ModelAPI_AttributeEvalMessage();
+  /// Static. Returns EventID of the message.
+  MODELAPI_EXPORT static Events_ID eventId()
+  {
+    static const char * MY_ATTRIBUTE_EVALUATION_EVENT_ID("AttributeEvaluationRequest");
+    return Events_Loop::eventByName(MY_ATTRIBUTE_EVALUATION_EVENT_ID);
+  }
+
+  /// Returns a document stored in the message
+  MODELAPI_EXPORT AttributePtr attribute() const;
+  /// Sets a document to the message
+  MODELAPI_EXPORT void setAttribute(AttributePtr theDocument);
+};
+
 #endif