From 46e0758cbb8c9f76860c63828276a12b0cfdea22 Mon Sep 17 00:00:00 2001
From: MarkBaker <mark@lange.demon.co.uk>
Date: Sat, 2 Aug 2014 23:44:37 +0100
Subject: [PATCH] New example demonstrating linked drop-down validation lists

---
 Examples/39dropdown.php | 170 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 170 insertions(+)
 create mode 100644 Examples/39dropdown.php

diff --git a/Examples/39dropdown.php b/Examples/39dropdown.php
new file mode 100644
index 00000000..c8e6b1b5
--- /dev/null
+++ b/Examples/39dropdown.php
@@ -0,0 +1,170 @@
+<?php
+/**
+ * PHPExcel
+ *
+ * Copyright (C) 2006 - 2014 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 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    ##VERSION##, ##DATE##
+ */
+
+/** Error reporting */
+error_reporting(E_ALL);
+ini_set('display_errors', TRUE);
+ini_set('display_startup_errors', TRUE);
+date_default_timezone_set('Europe/London');
+
+define('EOL',(PHP_SAPI == 'cli') ? PHP_EOL : '<br />');
+
+/** Include PHPExcel */
+require_once dirname(__FILE__) . '/../Classes/PHPExcel.php';
+
+
+// Create new PHPExcel object
+echo date('H:i:s') , " Create new PHPExcel object" , EOL;
+$objPHPExcel = new PHPExcel();
+
+// Set document properties
+echo date('H:i:s') , " Set document properties" , EOL;
+$objPHPExcel->getProperties()
+    ->setCreator("PHPOffice")
+	->setLastModifiedBy("PHPOffice")
+	->setTitle("PHPExcel Test Document")
+	->setSubject("PHPExcel Test Document")
+	->setDescription("Test document for PHPExcel, generated using PHP classes.")
+	->setKeywords("Office PHPExcel php")
+	->setCategory("Test result file");
+
+
+function transpose($value) {
+    return array($value);
+}
+
+// Add some data
+$continentColumn = 'D';
+$column = 'F';
+
+foreach(glob('./data/continents/*') as $key => $filename) {
+    $continent = pathinfo($filename, PATHINFO_FILENAME);
+    echo "Loading $continent", EOL;
+    $continent = str_replace(' ','_',$continent);
+    $countries = file($filename, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+    $countryCount = count($countries);
+
+    // Transpose $countries from a row to a column array
+    $countries = array_map('transpose', $countries);
+    $objPHPExcel->getActiveSheet()
+        ->fromArray($countries, null, $column . '1');
+    $objPHPExcel->addNamedRange(
+        new PHPExcel_NamedRange(
+            $continent, 
+            $objPHPExcel->getActiveSheet(), $column . '1:' . $column . $countryCount
+        )
+    );
+    $objPHPExcel->getActiveSheet()
+        ->getColumnDimension($column)
+        ->setVisible(false);
+
+    $objPHPExcel->getActiveSheet()
+        ->setCellValue($continentColumn . ($key+1), $continent);
+
+    ++$column;
+}
+$objPHPExcel->getActiveSheet()
+    ->getColumnDimension($continentColumn)
+    ->setVisible(false);
+
+$objPHPExcel->addNamedRange(
+    new PHPExcel_NamedRange(
+        'Continents', 
+        $objPHPExcel->getActiveSheet(), $continentColumn . '1:' . $continentColumn . ($key+1)
+    )
+);
+
+
+$objPHPExcel->getActiveSheet()
+    ->setCellValue('A1', 'Continent:');
+$objPHPExcel->getActiveSheet()
+    ->setCellValue('B1', 'Select continent');
+$objPHPExcel->getActiveSheet()
+    ->setCellValue('B3', '=' . $column . 1);
+$objPHPExcel->getActiveSheet()
+    ->setCellValue('B3', 'Select country');
+$objPHPExcel->getActiveSheet()
+    ->getStyle('A1:A3')
+    ->getFont()->setBold(true);
+
+$objValidation = $objPHPExcel->getActiveSheet()
+    ->getCell('B1')
+    ->getDataValidation();
+$objValidation->setType( PHPExcel_Cell_DataValidation::TYPE_LIST )
+    ->setErrorStyle( PHPExcel_Cell_DataValidation::STYLE_INFORMATION )
+    ->setAllowBlank(false)
+    ->setShowInputMessage(true)
+    ->setShowErrorMessage(true)
+    ->setShowDropDown(true)
+    ->setErrorTitle('Input error')
+    ->setError('Continent is not in the list.')
+    ->setPromptTitle('Pick from the list')
+    ->setPrompt('Please pick a continent from the drop-down list.')
+    ->setFormula1('=Continents');
+
+$objPHPExcel->getActiveSheet()
+    ->setCellValue('A3', 'Country:');
+$objPHPExcel->getActiveSheet()
+    ->getStyle('A3')
+    ->getFont()->setBold(true);
+
+$objValidation = $objPHPExcel->getActiveSheet()
+    ->getCell('B3')
+    ->getDataValidation();
+$objValidation->setType( PHPExcel_Cell_DataValidation::TYPE_LIST )
+    ->setErrorStyle( PHPExcel_Cell_DataValidation::STYLE_INFORMATION )
+    ->setAllowBlank(false)
+    ->setShowInputMessage(true)
+    ->setShowErrorMessage(true)
+    ->setShowDropDown(true)
+    ->setErrorTitle('Input error')
+    ->setError('Country is not in the list.')
+    ->setPromptTitle('Pick from the list')
+    ->setPrompt('Please pick a country from the drop-down list.')
+    ->setFormula1('=INDIRECT($B$1)');
+
+
+$objPHPExcel->getActiveSheet()->getColumnDimension('A')->setWidth(12);
+$objPHPExcel->getActiveSheet()->getColumnDimension('B')->setWidth(30);
+
+
+// Set active sheet index to the first sheet, so Excel opens this as the first sheet
+$objPHPExcel->setActiveSheetIndex(0);
+
+// Save Excel 2007 file
+// This linked validation list method only seems to work for Excel2007, not for Excel5
+echo date('H:i:s') , " Write to Excel2007 format" , EOL;
+$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');
+$objWriter->save(str_replace('.php', '.xlsx', __FILE__));
+echo date('H:i:s') , " File written to " , str_replace('.php', '.xlsx', pathinfo(__FILE__, PATHINFO_BASENAME)) , EOL;
+
+// Echo memory peak usage
+echo date('H:i:s') , " Peak memory usage: " , (memory_get_peak_usage(true) / 1024 / 1024) , " MB" , EOL;
+
+// Echo done
+echo date('H:i:s') , " Done writing files" , EOL;
+echo 'Files have been created in ' , getcwd() , EOL;