Fixed issue #4 with empty series, which appears due to leading space in a source file

Author: Eugene Manuilov

classes/Visualizer/Source/Csv.php

@@ -63,7 +63,6 @@ public function __construct( $filename = null ) {
 	private function _fetchSeries( &$handle ) {
 		// read column titles
 		$labels = fgetcsv( $handle, 0, VISUALIZER_CSV_DELIMITER, VISUALIZER_CSV_ENCLOSURE, VISUALIZER_CSV_ESCAPRE );
-
 		// read series types
 		$types = fgetcsv( $handle, 0, VISUALIZER_CSV_DELIMITER, VISUALIZER_CSV_ENCLOSURE, VISUALIZER_CSV_ESCAPRE );
 
@@ -72,6 +71,7 @@ private function _fetchSeries( &$handle ) {
 		}
 
 		// if no types were setup, re read labels and empty types array
+		$types = array_map( 'trim', $types );
 		if ( !self::_validateTypes( $types ) ) {
 			// re open the file
 			fclose( $handle );

readme.txt

@@ -61,6 +61,7 @@ Pay attention that to turn your shortcodes into graphs, your theme has to have `
 = 1.4.1 =
 * Fixed issue which prevents the plugin working on SSL backend
 * Fixed issue with CSV file uploading in IE and other browsers
+* Fixed issue with empty series, which appears due to leading space in a source file
 * Added ability to define custom delimiter, enclosure and escape variables for CSV parsing
 
 = 1.4 =