oops i totally screwed up my last commit, deleting /modules instead of renaming it...

git-svn-id: http://dev.piwik.org/svn/trunk@587 59fd770c-687e-43c8-a1e3-f5a4ff64c105

1 files changed, 50 insertions, 0 deletions

diff --git a/core/DataTable/Filter/ExcludeLowPopulation.php b/core/DataTable/Filter/ExcludeLowPopulation.php
new file mode 100644
index 0000000000..cb038d6d78
--- /dev/null
+++ b/core/DataTable/Filter/ExcludeLowPopulation.php
@@ -0,0 +1,50 @@
+<?php
+/**
+ * Piwik - Open source web analytics
+ * 
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html Gpl v3 or later
+ * @version $Id: ExcludeLowPopulation.php 519 2008-06-09 01:59:24Z matt $
+ * 
+ * @package Piwik_DataTable
+ */
+
+/**
+ * Delete all rows that have a $columnToFilter value less than the $minimumValue 
+ * 
+ * For example we delete from the countries report table all countries that have less than 3 visits.
+ * It is very useful to exclude noise from the reports.
+ * You can obviously apply this filter on a percentaged column, eg. remove all countries with the column 'percent_visits' less than 0.05
+ * 
+ * @package Piwik_DataTable
+ * @subpackage Piwik_DataTable_Filter 
+ */
+class Piwik_DataTable_Filter_ExcludeLowPopulation extends Piwik_DataTable_Filter
+{
+	static public $minimumValue;
+	public function __construct( $table, $columnToFilter, $minimumValue )
+	{
+		$this->columnToFilter = $columnToFilter;
+		self::$minimumValue = $minimumValue;
+		parent::__construct($table);
+		$this->filter();
+	}
+	
+	function filter()
+	{
+		$function = array("Piwik_DataTable_Filter_ExcludeLowPopulation",
+							"excludeLowPopulation");		
+
+		$filter = new Piwik_DataTable_Filter_ColumnCallbackDeleteRow(
+												$this->table, 
+												$this->columnToFilter, 
+												$function
+											);
+	}
+	
+	static public function excludeLowPopulation($value)
+	{
+		return $value >= self::$minimumValue;
+	}
+}
+