Added TreeTablePath::RemoveLastComponent().

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31745 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/debuganalyzer/gui/table/TreeTable.cpp

@@ -66,6 +66,18 @@ TreeTablePath::AddComponent(int32 childIndex)
 	}
 }
 
+
+int32
+TreeTablePath::RemoveLastComponent()
+{
+	if (fComponents.empty())
+		return -1;
+
+	int32 index = fComponents.back();
+	fComponents.pop_back();
+	return index;
+}
+
 void
 TreeTablePath::Clear()
 {

src/apps/debuganalyzer/gui/table/TreeTable.h

@@ -29,6 +29,7 @@ public:
 								~TreeTablePath();
 
 		bool					AddComponent(int32 childIndex);
+		int32					RemoveLastComponent();
 		void					Clear();
 
 		int32					CountComponents() const;