added: new winix function: "sort"

sorting items in a directory (Item::sort_index is used)


git-svn-id: svn://ttmath.org/publicrep/winix/trunk@754 e52654a7-88a9-db11-a3e9-0013d4bc506e

functions/sort.h

@@ -0,0 +1,66 @@
+/*
+ * This file is a part of Winix
+ * and is not publicly distributed
+ * 
+ * Copyright (c) 2011, Tomasz Sowa
+ * All rights reserved.
+ * 
+ */
+ 
+#ifndef headerfile_winix_functions_sort
+#define headerfile_winix_functions_sort
+
+#include "functionbase.h"
+
+
+
+namespace Fun
+{
+
+
+class Sort : public FunctionBase
+{
+public:
+
+	Sort();
+	bool HasAccess();
+	void MakeGet();
+	void MakePost();
+
+
+private:
+	
+	DbItemQuery iq;
+	std::vector<size_t> item_tab; // indexes to cur->request->item_tab
+
+	struct SortPair
+	{
+		long id;
+		int  sort_index;
+	};
+
+	std::vector<SortPair> item_tab2; // from post table
+
+	// for sorting item_tab
+	struct SortHelper
+	{
+		Sort * psort;
+
+		SortHelper(Sort * s) : psort(s) {}
+		bool operator()(size_t t1, size_t t2);
+	};
+
+	// for sorting item_tab2
+	static bool SortFun2(const SortPair & s1, const SortPair & s2);
+
+	void GetDirContent();
+	void CreateItemTab();
+	void CreateItemTab2();
+	void UpdateSortIndex(Item & item, int sort_index);
+	void UpdateSortIndexes();
+};
+
+
+} // namespace
+
+#endif