X-Git-Url: https://delta.frontaccounting.com/gitweb/?a=blobdiff_plain;f=includes%2Fdb_pager.inc;h=a3eee7967c339dbf23b10e960bb42ef87a43fe82;hb=53ce24049be7e47179b98f69af45352001855f50;hp=474fed7a1327d4726702f613cc5843caddbc4ff8;hpb=9df58442c6ce1d77040dbf778a031cf97cf45d3e;p=fa-stable.git

diff --git a/includes/db_pager.inc b/includes/db_pager.inc
index 474fed7a..a3eee796 100644
--- a/includes/db_pager.inc
+++ b/includes/db_pager.inc
@@ -16,7 +16,10 @@ class db_pager {
 	var $marker_txt;	
 	var $marker_class;
 	var $notice_class;
-			
+	var $header_fun;	// additional row between title and body
+	var $header_class;
+	var $footer_fun;
+	var $footer_class;
 	var $data = array();
 
 	var $curr_page,
@@ -32,13 +35,15 @@ class db_pager {
 	var $select,
 		$where,
 	    $from,
-		$group;
+		$group,
+		$order;
 	var	$extra_where;
 	
-	var $ready = false;
+	var $ready = false; // this var is false after change in sql before first
+						// and before first query.
 
 	//  db_pager constructor
-	//  accepts $sql like 'SELECT .... FROM .... [WHERE ...] [GROUP ...]'
+	//  accepts $sql like 'SELECT ...[FROM ...][WHERE ...][GROUP ...][ORDER ...]'
 	//	$name is base name for pager controls
 	function db_pager($sql, $name, $page_len=0) 
 	{
@@ -55,49 +60,44 @@ class db_pager {
 		if ($sql != $this->sql) {
 		    $this->sql = $sql;
 		    $this->ready = false;
-			$select = $sql;
-			$from = $where = $group = '';
+    		$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) {
-				$select = $parts[0];
-				$from = $parts[1];
-		    	$parts = preg_split('/\sWHERE\s/si', $from, 2);
-				if(count($parts) == 2) {
-					$from = $parts[0];
-					$where = $parts[1];
-		    		$parts = preg_split('/\sGROUP\s*BY\s/si', $where, 2);
-					if(count($parts) == 2) {
-						$where = $parts[0];
-						$group = $parts[1];
-					}
-				}
+				$sql = $parts[0];
+				$this->from = $parts[1];
 			}
-			$this->select = $select;
-			$this->from = $from;
-			$this->where = $where;
-			$this->group = $group;
-/*
-		display_error("sql: $sql");
-		display_error($select);
-		display_error("FROM $from");
-		display_error("WHERE $where");
-		display_error("GROUP BY $group");
-*/
+			$this->select = $sql;
 		}
 	}
 	//
 	//	Set additional constraint on record set
 	//
-	function set_where($where) 
+	function set_where($where = null)
 	{
-	    if (!is_array($where))
-		  $where = array($where);
+	 	if ($where) {
+	    	if (!is_array($where))
+			  $where = array($where);
 
-	    if (count($where) != count($this->extra_where) || 
-			count(array_diff($this->extra_where, $where))) {
-				$this->extra_where = $where;
-				$this->ready = false;
-	    }
+		    if (count($where) == count($this->extra_where) &&
+				!count(array_diff($this->extra_where, $where)))
+				 return;
+		}
+		$this->extra_where = $where;
+		$this->ready = false;
 	}
 	//
 	//	Set query result page
@@ -145,7 +145,7 @@ class db_pager {
 		  // add result field names to column defs for 
 		  // col value retrieve and sort purposes 
 			for ($c = $i = 0; $c < count($this->columns); $c++) {
-				if ($this->columns[$c]['type'] != 'insert')
+				if (!(isset($this->columns[$c]['insert']) && $this->columns[$c]['insert']))
 			 		$this->columns[$c]['name']= mysql_field_name($result, $i++);
 		  	}
 		  
@@ -235,12 +235,13 @@ class db_pager {
 		$from = $this->from;
 		$where = $this->where;
 		$group = $this->group;		
+		$order = $this->order;
 
 		if(count($this->extra_where)) {
-		    $wherw .= ($where=='' ? '' : ' AND ')
+		    $where .= ($where=='' ? '' : ' AND ')
 				.implode( $this->extra_where, ' AND ');
 		}
-		if ($where) $where = " WHERE($where)";
+		if ($where) $where = " WHERE ($where)";
 
 		if ($count) {
 			$group = $group == '' ? "*" : "DISTINCT $group";
@@ -260,8 +261,12 @@ class db_pager {
 			}
 	    }
 				
-	    if (count($ord)) 
+	    if (count($ord)) {
 			$sql .= " ORDER BY " . implode($ord, ',');
+		} else {
+			if($order)
+				$sql .= " ORDER BY $order"; // original base query order
+		}
 
 	    $page_len = $this->page_len;
 	    $offset = ($this->curr_page - 1) * $page_len;
@@ -321,6 +326,24 @@ class db_pager {
 		$this->marker_class = $markercl;
 		$this->notice_class = $msgclass;
 	}
+	//
+	//	Set handler to display additional row between titles and pager body.
+	//	Return array of column contents.
+	//
+	function set_header($func, $headercl='inquirybg')
+	{
+		$this->header_fun = $func;
+		$this->header_class = $headercl;
+	}
+	//
+	//	Set handler to display additional row between pager body and navibar.
+	//	Return array of column contents.
+	//
+	function set_footer($func, $footercl='inquirybg')
+	{
+		$this->footer_fun = $func;
+		$this->footer_class = $footercl;
+	}
 };
 //-----------------------------------------------------------------------------
 //	Creates new db_pager $_SESSION object on first page call.
@@ -330,16 +353,15 @@ class db_pager {
 //  $sql  - base sql for data inquiry. Order of fields implies
 //		pager columns order.
 //	$coldef - array of column definitions. Example definitions
-//		Text column with title 'User name':
+//		Column with title 'User name' and default text format:
 //				'User name'
 //		Skipped field from sql query. Data for the field is not displayed:
 //				'dummy' => 'skip'
-//		Column without title, formated with function func(). Field value 
-// is passed as parameter:
-//	 			array('type'=>'spec', 'fun'=>'func')
-// 		Inserted column with title 'Some', formated with function rowfun(). Row
-//  		values are passed as parameter array:
-//				'Some' => array('type'=>'insert', 'fun'=>'rowfun')
+//		Column without title, data retrieved form row data with function func():
+//	 			array('fun'=>'func')
+// 		Inserted column with title 'Some', formated with function rowfun().
+//  	formated as date:
+//				'Some' => array('type'=>'date, 'insert'=>true, 'fun'=>'rowfun')
 // 		Column with name 'Another', formatted as date, 
 // sortable with ascending start order (available orders: asc,desc, '').
 //				'Another' => array('type'=>'date', 'ord'=>'asc')
@@ -351,19 +373,25 @@ class db_pager {
 
 function &new_db_pager($name, $sql, $coldef, $page_len = 0)  {
 
-    if (isset($name) && isset($_SESSION[$name])) {
-		 // kill old pager if any on first page call
-	    if ($_SERVER['REQUEST_METHOD'] == 'GET')
-			unset($_SESSION[$name]);
-	    else
-    		return $_SESSION[$name];
-    }
-    $ret =& new db_pager($sql, $name, $page_len);
-    $ret->set_columns($coldef);
+    if ($_SERVER['REQUEST_METHOD'] == 'GET')
+		unset($_SESSION[$name]); // kill old pager if any exists on first page call
 
-    if (isset($name)) $_SESSION[$name] = &$ret;
+	if (!isset($_SESSION[$name])) {
+	    $_SESSION[$name] =& new db_pager($sql, $name, $page_len);
+		$_SESSION[$name]->set_sql($sql);
+		$_SESSION[$name]->set_columns($coldef);
+	}
+	
+	$ret = &$_SESSION[$name];
 
     return $ret;
 }
-
+//
+//	Force pager initialization.
+//
+function refresh_pager($name)
+{
+	if (isset($_SESSION[$name]))
+		$_SESSION[$name]->ready = false;
+}
 ?>
\ No newline at end of file