some improvement in templates

(now we have O(1) time for selecting the right html template)
added: winix function: template
for selecting a template for an item (file or dir)



git-svn-id: svn://ttmath.org/publicrep/winix/trunk@636 e52654a7-88a9-db11-a3e9-0013d4bc506e

functions/template.cpp

@@ -0,0 +1,70 @@
+/*
+ * This file is a part of Winix
+ * and is not publicly distributed
+ * 
+ * Copyright (c) 2010, Tomasz Sowa
+ * All rights reserved.
+ * 
+ */
+ 
+#include "template.h"
+#include "core/misc.h"
+
+
+
+namespace Fun
+{
+
+Template::Template()
+{
+	fun.url = "template";
+}
+
+
+
+
+
+bool Template::HasAccess()
+{
+	if( config->template_only_root_use_template_fun )
+	{
+		// only root is allowed to change the template
+		return (request->session->puser && request->session->puser->super_user);
+	}
+
+
+	if( request->is_item )
+		return system->HasWriteAccess(request->item);
+	else
+		return system->HasWriteAccess(*request->dir_tab.back());
+}
+
+
+void Template::EditTemplate(Item & item)
+{
+	html_file = request->PostVar("template");
+	TrimWhite(html_file);
+	request->status = db->EditTemplateItemById(item.id, html_file);
+
+	if( request->status == WINIX_ERR_OK )
+		item.html_template = html_file;
+}
+
+
+void Template::MakePost()
+{
+	if( request->is_item )
+	{
+		EditTemplate(request->item);
+	}
+	else
+	{
+		EditTemplate(*request->dir_tab.back());
+	}
+
+	system->RedirectToLastItem();
+}
+
+
+
+} // namespace