X-Git-Url: https://delta.frontaccounting.com/gitweb/?a=blobdiff_plain;f=includes%2Fdb_pager.inc;h=6ad1755a752ff707d7e6b2218d5256383649bf7c;hb=e8ebca8f2b08eeb3bfd3da04ca946dfa8cc1fb3f;hp=8684281dc0406fdfa56e6fcfd08fb86b362b8210;hpb=e0586e7f922e36b4c09704a23381ec8107a0457d;p=fa-stable.git

diff --git a/includes/db_pager.inc b/includes/db_pager.inc
index 8684281d..6ad1755a 100644
--- a/includes/db_pager.inc
+++ b/includes/db_pager.inc
@@ -57,7 +57,12 @@ class db_pager {
 	var $key;	// key field name
 	
 	//  db_pager constructor
-	//  accepts $sql like 'SELECT ...[FROM ...][WHERE ...][GROUP ...][ORDER ...]'
+	//  accepts $sql query either as:
+	//  a. string in form 'SELECT field_list FROM table_joins [WHERE conditions [GROUP group_list [ORDER order_list]]]'
+	//		- if WHERE keyword is used in table_joins, WHERE conditions is obligatory
+	//  b. associative array using select, where, group and order keys ex :
+	//  	array('select' => 'SUM(quantity)', 'from' => TB_PREF."stock_moves", 'group' => 'location')
+	//
 	//	$name is base name for pager controls
 	function db_pager($sql, $name, $table = null, $page_len=0) 
 	{
@@ -68,34 +73,49 @@ class db_pager {
 	 	$this->set_sql($sql);
 	}
 	//
-	//	Parse base sql select query.
+	//	Parse base sql select query	or use an associative array.
 	//
 	function set_sql($sql)
 	{
 		if ($sql != $this->sql) {
 		    $this->sql = $sql;
 		    $this->ready = false;
-    		$parts = preg_split('/\sORDER\s*BY\s/si', $sql, 2);
-			if(count($parts) == 2) {
-				$sql = $parts[0];
-				$this->order = $parts[1];
-			}
-    		$parts = preg_split('/\sGROUP\s*BY\s/si', $sql, 2);
-			if(count($parts) == 2) {
-				$sql = $parts[0];
-				$this->group = $parts[1];
-			}
-	    	$parts = preg_split('/\sWHERE\s/si', $sql, 2);
-			if(count($parts) == 2) {
-				$sql = $parts[0];
-				$this->where = $parts[1];
-			}
-	    	$parts = preg_split('/\sFROM\s/si', $sql, 2);
-			if(count($parts) == 2) {
-				$sql = $parts[0];
-				$this->from = $parts[1];
+
+				if(is_array($sql)) {
+					foreach(explode(' ', 'select from where group order') as $section) {
+						$this->$section = @$sql[$section];
+					}
+					$this->select = "SELECT ".$this->select;
+				}
+				else {
+					// parse the query
+					$parts = preg_split('/\sFROM\s/si', $sql, 2);
+					if (count($parts) == 2) {
+						$this->select = $parts[0];
+						$sql = $parts[1];
+					} else {
+						if ($go_debug)
+							display_error("Invalid sql input for db_pager");
+					}
+
+					$parts = preg_split('/\sWHERE(?!.*WHERE.*)\s/si', $sql, 2); // last occurence
+					if(count($parts) == 2) {
+						$this->from = $parts[0];
+						$sql = $parts[1];
+
+						$parts = preg_split('/\sORDER\s*BY\s/si', $sql, 2);
+						if(count($parts) == 2) {
+							$sql = $parts[0];
+							$this->order = $parts[1];
+						}
+						$parts = preg_split('/\sGROUP\s*BY\s/si', $sql, 2);
+						if(count($parts) == 2) {
+							$sql = $parts[0];
+							$this->group = $parts[1];
+						}
+						$this->where = $sql;
+					}
 			}
-			$this->select = $sql;
 		}
 	}
 	//
@@ -129,7 +149,16 @@ class db_pager {
 	//
 	function sort_table($col) 
 	{
+
+			$max_priority = 0;
+			foreach($this->columns as $id => $_col) {
+			if(!isset($_col['ord_priority'])) continue;
+				$max_priority = max($max_priority, $_col['ord_priority']);
+			};
+
+
 	    $ord = $this->columns[$col]['ord'];
+  		$this->columns[$col]['ord_priority']  = $max_priority+1; // set priority , higher than anything else
 	    $ord = ($ord == '') ? 'asc' : (($ord == 'asc') ? 'desc' : '');
 	    $this->columns[$col]['ord'] = $ord;
 	    $this->set_page(1);
@@ -274,7 +303,16 @@ class db_pager {
 		if ($group) $sql.= " GROUP BY $group";
 	    $ord = array();
 
+			// sort order column by priority instead of table order.
+			$columns = array();
 	    foreach ($this->columns as $col) {
+					if(isset($col['ord_priority'])) {
+						$columns[$col['ord_priority']] = $col;
+					}
+			}
+			krsort($columns);
+
+	    foreach ($columns as $col) {
 	       	if (isset($col['ord'])) {
 	        	if ( $col['ord'] != '' && isset($col['name'])) {
 		    	    $ord[] = $col['name'] .' '. $col['ord'];
@@ -323,7 +361,7 @@ class db_pager {
 		    	   	if (isset($col['ord']) && $col['ord'] != '' 
 						&&  !isset($col['name'])) {
 							display_warning("Result field names must be set
-								for all intially ordered db_pager columns.");
+								for all initially ordered db_pager columns.");
 			    	}
 				}
 	    	}
@@ -472,4 +510,4 @@ function refresh_pager($name)
 	if (isset($_SESSION[$name]))
 		$_SESSION[$name]->ready = false;
 }
-?>
\ No newline at end of file
+?>