Refactor code structure for improved readability and maintainability

themes/codebase4.0/grid-excel-php/lib/PHPExcel/Cell/DefaultValueBinder.php

@@ -0,0 +1,106 @@
+<?php
+/**
+ * PHPExcel
+ *
+ * Copyright (c) 2006 - 2011 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_Cell
+ * @copyright  Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    1.7.6, 2011-02-27
+ */
+
+
+/** PHPExcel root directory */
+if (!defined('PHPEXCEL_ROOT')) {
+	/**
+	 * @ignore
+	 */
+	define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
+	require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
+}
+
+
+/**
+ * PHPExcel_Cell_DefaultValueBinder
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel_Cell
+ * @copyright  Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Cell_DefaultValueBinder implements PHPExcel_Cell_IValueBinder
+{
+	/**
+	 * Bind value to a cell
+	 *
+	 * @param PHPExcel_Cell $cell	Cell to bind value to
+	 * @param mixed $value			Value to bind in cell
+	 * @return boolean
+	 */
+	public function bindValue(PHPExcel_Cell $cell, $value = null)
+	{
+		// sanitize UTF-8 strings
+		if (is_string($value)) {
+			$value = PHPExcel_Shared_String::SanitizeUTF8($value);
+		}
+
+		// Set value explicit
+		$cell->setValueExplicit( $value, PHPExcel_Cell_DataType::dataTypeForValue($value) );
+
+		// Done!
+		return true;
+	}
+
+	/**
+	 * DataType for value
+	 *
+	 * @param	mixed 	$pValue
+	 * @return 	int
+	 */
+	public static function dataTypeForValue($pValue = null) {
+		// Match the value against a few data types
+		if (is_null($pValue)) {
+			return PHPExcel_Cell_DataType::TYPE_NULL;
+
+		} elseif ($pValue === '') {
+			return PHPExcel_Cell_DataType::TYPE_STRING;
+
+		} elseif ($pValue instanceof PHPExcel_RichText) {
+			return PHPExcel_Cell_DataType::TYPE_STRING;
+
+		} elseif ($pValue{0} === '=' && strlen($pValue) > 1) {
+			return PHPExcel_Cell_DataType::TYPE_FORMULA;
+
+		} elseif (is_bool($pValue)) {
+			return PHPExcel_Cell_DataType::TYPE_BOOL;
+
+		} elseif (is_float($pValue) || is_int($pValue)) {
+			return PHPExcel_Cell_DataType::TYPE_NUMERIC;
+
+		} elseif (preg_match('/^\-?([0-9]+\\.?[0-9]*|[0-9]*\\.?[0-9]+)$/', $pValue)) {
+			return PHPExcel_Cell_DataType::TYPE_NUMERIC;
+
+		} elseif (is_string($pValue) && array_key_exists($pValue, PHPExcel_Cell_DataType::getErrorCodes())) {
+			return PHPExcel_Cell_DataType::TYPE_ERROR;
+
+		} else {
+			return PHPExcel_Cell_DataType::TYPE_STRING;
+
+		}
+	}
+}