From 56b43fa7eef0b09ec2e4c12532cf21e2021ca534 Mon Sep 17 00:00:00 2001
From: mpv <mpv@opencascade.com>
Date: Wed, 19 Aug 2015 11:44:23 +0300
Subject: [PATCH] Added removeLast method in the list to optimize the selection
 algorithm further

---
 src/Model/Model_AttributeSelectionList.cpp     | 15 +++++++++++++++
 src/Model/Model_AttributeSelectionList.h       |  3 +++
 src/ModelAPI/ModelAPI_AttributeSelectionList.h |  3 +++
 3 files changed, 21 insertions(+)

diff --git a/src/Model/Model_AttributeSelectionList.cpp b/src/Model/Model_AttributeSelectionList.cpp
index f547a797f..8191553d1 100644
--- a/src/Model/Model_AttributeSelectionList.cpp
+++ b/src/Model/Model_AttributeSelectionList.cpp
@@ -60,6 +60,21 @@ void Model_AttributeSelectionList::append(std::string theNamingName)
   owner()->data()->sendAttributeUpdated(this);
 }
 
+void Model_AttributeSelectionList::removeLast() 
+{
+  int anOldSize = mySize->Get();
+  if (anOldSize != 0) {
+    mySize->Set(anOldSize - 1);
+    TDF_Label aLab = mySize->Label().FindChild(anOldSize);
+    std::shared_ptr<Model_AttributeSelection> aOldAttr = 
+      std::shared_ptr<Model_AttributeSelection>(new Model_AttributeSelection(aLab));
+    aOldAttr->setObject(owner());
+    REMOVE_BACK_REF(aOldAttr->context());
+    aLab.ForgetAllAttributes(Standard_True);
+    owner()->data()->sendAttributeUpdated(this);
+  }
+}
+
 int Model_AttributeSelectionList::size()
 {
   return mySize->Get();
diff --git a/src/Model/Model_AttributeSelectionList.h b/src/Model/Model_AttributeSelectionList.h
index 5865b8562..e0eba6b71 100644
--- a/src/Model/Model_AttributeSelectionList.h
+++ b/src/Model/Model_AttributeSelectionList.h
@@ -33,6 +33,9 @@ public:
   /// The type of shape is taken from the current selection type
   MODEL_EXPORT virtual void append(std::string theNamingName);
 
+  /// Removes the last element in the list
+  MODEL_EXPORT virtual void removeLast();
+
   /// Returns the number ofselection attributes in the list
   MODEL_EXPORT virtual int size();
 
diff --git a/src/ModelAPI/ModelAPI_AttributeSelectionList.h b/src/ModelAPI/ModelAPI_AttributeSelectionList.h
index 7994c37a6..68c7eed8e 100644
--- a/src/ModelAPI/ModelAPI_AttributeSelectionList.h
+++ b/src/ModelAPI/ModelAPI_AttributeSelectionList.h
@@ -27,6 +27,9 @@ class ModelAPI_AttributeSelectionList : public ModelAPI_Attribute
   /// The type of shape is taken from the current selection type
   virtual void append(std::string theNamingName) = 0;
 
+  /// Removes the last element in the list
+  virtual void removeLast() = 0;
+
   /// Returns the number of selection attributes in the list
   virtual int size() = 0;
 
-- 
2.39.2