Index: trunk/kernel/units/admin/admin_tag_processor.php
===================================================================
diff -u -N -r6093 -r6583
--- trunk/kernel/units/admin/admin_tag_processor.php	(.../admin_tag_processor.php)	(revision 6093)
+++ trunk/kernel/units/admin/admin_tag_processor.php	(.../admin_tag_processor.php)	(revision 6583)
@@ -319,7 +319,7 @@
 			ksort($section_data['children'], SORT_NUMERIC);
 			foreach ($section_data['children'] as $priority => $section_name) {
 				if (!$this->Application->CheckPermission($section_name.'.view', 1)) continue;
-				
+
 				$tab_data =& $sections_helper->getSectionData($section_name);
 				$block_params['t'] = $tab_data['url']['t'];
 				$block_params['title'] = $tab_data['label'];
@@ -345,7 +345,8 @@
 			$block_params = Array('name' => $params['render_as']);
 			foreach ($this->Application->ModuleInfo as $module_name => $module_info) {
 				$prefix = $module_info['Var'];
-				if (in_array($prefix, $skip_prefixes)) continue;
+
+				if (in_array($prefix, $skip_prefixes) || !$this->Application->getUnitOption($prefix, 'CatalogItem')) continue;
 				if ($prefix == 'm' && $replace_main) $prefix = 'c';
 				$label = $this->Application->getUnitOption($prefix, $params['title_property']);
 				$block_params['title'] = $label;
@@ -376,7 +377,7 @@
 			return $oFCKeditor->CreateHtml();
 
 		}
-		
+
 		/**
 		 * Allows to construct link for opening any type of catalog item selector
 		 *
@@ -390,39 +391,102 @@
 				$mode = $params['mode'];
 				unset($params['mode']);
 			}
-			
+
 			$params['t'] = 'item_selector/item_selector_'.$mode;
-			
+
 			$default_params = Array('no_amp' => 1, 'pass' => 'all,'.$params['prefix']);
 			unset($params['prefix']);
-			
+
 			$pass_through = Array();
 			if (isset($params['tabs_dependant'])) { // {yes, no}
 				$pass_through['td'] = $params['tabs_dependant'];
 				unset($params['tabs_dependant']);
 			}
-			
+
 			if (isset($params['selection_mode'])) { // {single, multi}
 				$pass_through['tm'] = $params['selection_mode'];
 				unset($params['selection_mode']);
 			}
-			
+
 			if (isset($params['tab_prefixes'])) { // {all, none, <comma separated prefix list}
 				$pass_through['tp'] = $params['tab_prefixes'];
 				unset($params['tab_prefixes']);
 			}
-			
+
 			if ($pass_through) {
 				// add pass_through to selector url if any
 				$params['pass_through'] = implode(',', array_keys($pass_through));
 				$params = array_merge_recursive2($params, $pass_through);
 			}
-			
+
 			// user can override default parameters (except pass_through of course)
 			$params = array_merge_recursive2($default_params, $params);
-			
+
 			return $this->Application->ProcessParsedTag('m', 't', $params);
 		}
+
+		function TimeFrame($params)
+		{
+			$w = adodb_date('w');
+			$m = adodb_date('m');
+			$y = adodb_date('Y');
+			//FirstDayOfWeek is 0 for Sunday and 1 for Monday
+			$fdow = $this->Application->ConfigValue('FirstDayOfWeek');
+			if ($fdow && $w == 0) $w = 7;
+			$today_start = adodb_mktime(0,0,0,adodb_date('m'),adodb_date('d'),$y);
+			$first_day_of_this_week = $today_start - ($w - $fdow)*86400;
+			$first_day_of_this_month = adodb_mktime(0,0,0,$m,1,$y);
+			$this_quater = ceil($m/3);
+			$this_quater_start = adodb_mktime(0,0,0,$this_quater*3-2,1,$y);
+
+			switch ($params['type']) {
+				case 'last_week_start':
+					$timestamp = $first_day_of_this_week - 86400*7;
+					break;
+				case 'last_week_end':
+					$timestamp = $first_day_of_this_week - 1;
+					break;
+
+				case 'last_month_start':
+					$timestamp = $m == 1 ? adodb_mktime(0,0,0,12,1,$y-1) : adodb_mktime(0,0,0,$m-1,1,$y);
+					break;
+				case 'last_month_end':
+					$timestamp = $first_day_of_this_month = adodb_mktime(0,0,0,$m,1,$y) - 1;
+					break;
+
+				case 'last_quater_start':
+					$timestamp = $this_quater == 1 ? adodb_mktime(0,0,0,10,1,$y-1) : adodb_mktime(0,0,0,($this_quater-1)*3-2,1,$y);
+					break;
+				case 'last_quater_end':
+					$timestamp = $this_quater_start - 1;
+					break;
+
+				case 'last_6_months_start':
+					$timestamp = $m <= 6 ? adodb_mktime(0,0,0,$m+6,1,$y-1) : adodb_mktime(0,0,0,$m-6,1,$y);
+					break;
+
+				case 'last_year_start':
+					$timestamp = adodb_mktime(0,0,0,1,1,$y-1);
+					break;
+				case 'last_year_end':
+					$timestamp = adodb_mktime(23,59,59,12,31,$y-1);
+					break;
+			}
+
+
+			if (isset($params['format'])) {
+				$format = $params['format'];
+				if(preg_match("/_regional_(.*)/", $format, $regs))
+				{
+					$lang =& $this->Application->recallObject('lang.current');
+					$format = $lang->GetDBField($regs[1]);
+				}
+				return adodb_date($format, $timestamp);
+			}
+
+			return $timestamp;
+
+		}
 	}
 
 ?>
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