Further chart bugfixes, plus an example of changing chart data for use in

templates

Classes/PHPExcel/Chart/DataSeriesValues.php

@@ -278,12 +278,7 @@ class PHPExcel_Chart_DataSeriesValues
 	}
 
 	public function refresh(PHPExcel_Worksheet $worksheet) {
-//		echo '$this->_dataSource:',PHP_EOL;
-//		var_dump($this->_dataSource);
         if ($this->_dataSource !== NULL) {
-//			echo '$this->_dataValues:',PHP_EOL;
-//			var_dump($this->_dataValues);
-
         	$calcEngine = PHPExcel_Calculation::getInstance();
 			$newDataValues = PHPExcel_Calculation::_unwrapResult(
 			    $calcEngine->_calculateFormulaValue(
@@ -293,13 +288,7 @@ class PHPExcel_Chart_DataSeriesValues
 			    )
 			);
 
-//			echo '$newDataValues:',PHP_EOL;
-//			var_dump($newDataValues);
 			$this->_dataValues = PHPExcel_Calculation_Functions::flattenArray($newDataValues);
-			$this->_dataValues = array_values(array_shift($newDataValues));
-//			$this->_dataValues = array_filter($this->_dataValues,array($this,'_stripNulls'));
-//			echo '$this->_dataValues:',PHP_EOL;
-//			var_dump($this->_dataValues);
 		}
 	}
 

Classes/PHPExcel/Writer/Excel2007/Chart.php

@@ -962,7 +962,8 @@ class PHPExcel_Writer_Excel2007_Chart extends PHPExcel_Writer_Excel2007_WriterPa
 						($groupType != PHPExcel_Chart_DataSeries::TYPE_PIECHART_3D) &&
 						($groupType != PHPExcel_Chart_DataSeries::TYPE_DONUTCHART)) {
 
-						if ($plotSeriesValues->getFormatCode() !== NULL) {
+						if (($plotSeriesValues->getFormatCode() !== NULL) &&
+							($plotSeriesValues->getFormatCode() !== '')) {
 							$objWriter->startElement('c:formatCode');
 								$objWriter->writeRawData( $plotSeriesValues->getFormatCode() );
 							$objWriter->endElement();

Tests/33chartcreate.php

@@ -28,7 +28,7 @@ date_default_timezone_set('Europe/London');
  * @package    PHPExcel
  * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
  * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
- * @version    1.7.7, 2012-05-19
+ * @version    ##VERSION##, ##DATE##
  */
 
 /** Include path **/

Tests/34chartupdate.php

@@ -0,0 +1,75 @@
+<?php
+
+/** Error reporting */
+error_reporting(E_ALL);
+
+date_default_timezone_set('Europe/London');
+
+/**
+ * PHPExcel
+ *
+ * Copyright (C) 2006 - 2012 PHPExcel
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel
+ * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    ##VERSION##, ##DATE##
+ */
+
+/** Include path **/
+set_include_path(get_include_path() . PATH_SEPARATOR . '../Classes/');
+
+/** PHPExcel */
+include 'PHPExcel.php';
+
+if (!file_exists("33chartcreate.xlsx")) {
+	exit("Please run 33chartcreate.php first." . PHP_EOL);
+}
+
+echo date('H:i:s') , " Load from Excel2007 file" , PHP_EOL;
+$objReader = PHPExcel_IOFactory::createReader("Excel2007");
+$objReader->setIncludeCharts(TRUE);
+$objPHPExcel = $objReader->load("33chartcreate.xlsx");
+
+
+echo date('H:i:s') , " Update cell data values that are displayed in the chart" , PHP_EOL;
+$objWorksheet = $objPHPExcel->getActiveSheet();
+$objWorksheet->fromArray(
+	array(
+		array(50-12,   50-15,		50-21),
+		array(50-56,   50-73,		50-86),
+		array(50-52,   50-61,		50-69),
+		array(50-30,   50-32,		50),
+	),
+	NULL,
+	'B2'
+);
+
+// Save Excel 2007 file
+echo date('H:i:s') , " Write to Excel2007 format" , PHP_EOL;
+$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
+$objWriter->setIncludeCharts(TRUE);
+$objWriter->save(str_replace('.php', '.xlsx', __FILE__));
+echo date('H:i:s') , " File written to " , str_replace('.php', '.xlsx', __FILE__) , PHP_EOL;
+
+
+// Echo memory peak usage
+echo date('H:i:s') , " Peak memory usage: " , (memory_get_peak_usage(true) / 1024 / 1024) , " MB" , PHP_EOL;
+
+// Echo done
+echo date('H:i:s') , " Done writing file" , PHP_EOL;