author: Anton Luka Šijanec <anton@sijanec.eu> 2022-01-11 12:35:47 +0100
committer: Anton Luka Šijanec <anton@sijanec.eu> 2022-01-11 12:35:47 +0100
commit: 19985dbb8c0aa66dc4bf7905abc1148de909097d (patch)
tree: 2cd5a5d20d7e80fc2a51adf60d838d8a2c40999e /admin/survey/excel/PHPExcel/Style
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diff --git a/admin/survey/excel/PHPExcel/Style/Alignment.php b/admin/survey/excel/PHPExcel/Style/Alignment.php
new file mode 100644
index 0000000..ac8b837
--- /dev/null
+++ b/admin/survey/excel/PHPExcel/Style/Alignment.php
@@ -0,0 +1,494 @@
+<?php
+/**
+ * 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_Style
+ * @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	1.7.8, 2012-10-12
+ */
+
+
+/**
+ * PHPExcel_Style_Alignment
+ *
+ * @category   PHPExcel
+ * @package	PHPExcel_Style
+ * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Style_Alignment implements PHPExcel_IComparable
+{
+	/* Horizontal alignment styles */
+	const HORIZONTAL_GENERAL				= 'general';
+	const HORIZONTAL_LEFT					= 'left';
+	const HORIZONTAL_RIGHT					= 'right';
+	const HORIZONTAL_CENTER					= 'center';
+	const HORIZONTAL_CENTER_CONTINUOUS		= 'centerContinuous';
+	const HORIZONTAL_JUSTIFY				= 'justify';
+
+	/* Vertical alignment styles */
+	const VERTICAL_BOTTOM					= 'bottom';
+	const VERTICAL_TOP						= 'top';
+	const VERTICAL_CENTER					= 'center';
+	const VERTICAL_JUSTIFY					= 'justify';
+
+	/**
+	 * Horizontal
+	 *
+	 * @var string
+	 */
+	private $_horizontal	= PHPExcel_Style_Alignment::HORIZONTAL_GENERAL;
+
+	/**
+	 * Vertical
+	 *
+	 * @var string
+	 */
+	private $_vertical		= PHPExcel_Style_Alignment::VERTICAL_BOTTOM;
+
+	/**
+	 * Text rotation
+	 *
+	 * @var int
+	 */
+	private $_textRotation	= 0;
+
+	/**
+	 * Wrap text
+	 *
+	 * @var boolean
+	 */
+	private $_wrapText		= false;
+
+	/**
+	 * Shrink to fit
+	 *
+	 * @var boolean
+	 */
+	private $_shrinkToFit	= false;
+
+	/**
+	 * Indent - only possible with horizontal alignment left and right
+	 *
+	 * @var int
+	 */
+	private $_indent		= 0;
+
+	/**
+	 * Parent Borders
+	 *
+	 * @var _parentPropertyName string
+	 */
+	private $_parentPropertyName;
+
+	/**
+	 * Supervisor?
+	 *
+	 * @var boolean
+	 */
+	private $_isSupervisor;
+
+	/**
+	 * Parent. Only used for supervisor
+	 *
+	 * @var PHPExcel_Style
+	 */
+	private $_parent;
+
+	/**
+	 * Create a new PHPExcel_Style_Alignment
+	 *
+	 * @param	boolean	$isSupervisor	Flag indicating if this is a supervisor or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+	 * @param	boolean	$isConditional	Flag indicating if this is a conditional style or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+	 */
+	public function __construct($isSupervisor = false, $isConditional = false)
+	{
+		// Supervisor?
+		$this->_isSupervisor = $isSupervisor;
+
+		if ($isConditional) {
+			$this->_horizontal		= NULL;
+			$this->_vertical		= NULL;
+			$this->_textRotation	= NULL;
+		}
+	}
+
+	/**
+	 * Bind parent. Only used for supervisor
+	 *
+	 * @param PHPExcel $parent
+	 * @return PHPExcel_Style_Alignment
+	 */
+	public function bindParent($parent)
+	{
+		$this->_parent = $parent;
+		return $this;
+	}
+
+	/**
+	 * Is this a supervisor or a real style component?
+	 *
+	 * @return boolean
+	 */
+	public function getIsSupervisor()
+	{
+		return $this->_isSupervisor;
+	}
+
+	/**
+	 * Get the shared style component for the currently active cell in currently active sheet.
+	 * Only used for style supervisor
+	 *
+	 * @return PHPExcel_Style_Alignment
+	 */
+	public function getSharedComponent()
+	{
+		return $this->_parent->getSharedComponent()->getAlignment();
+	}
+
+	/**
+	 * Get the currently active sheet. Only used for supervisor
+	 *
+	 * @return PHPExcel_Worksheet
+	 */
+	public function getActiveSheet()
+	{
+		return $this->_parent->getActiveSheet();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getSelectedCells()
+	{
+		return $this->getActiveSheet()->getSelectedCells();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getActiveCell()
+	{
+		return $this->getActiveSheet()->getActiveCell();
+	}
+
+	/**
+	 * Build style array from subcomponents
+	 *
+	 * @param array $array
+	 * @return array
+	 */
+	public function getStyleArray($array)
+	{
+		return array('alignment' => $array);
+	}
+
+	/**
+	 * Apply styles from array
+	 *
+	 * <code>
+	 * $objPHPExcel->getActiveSheet()->getStyle('B2')->getAlignment()->applyFromArray(
+	 *		array(
+	 *			'horizontal' => PHPExcel_Style_Alignment::HORIZONTAL_CENTER,
+	 *			'vertical'   => PHPExcel_Style_Alignment::VERTICAL_CENTER,
+	 *			'rotation'   => 0,
+	 *			'wrap'	   => true
+	 *		)
+	 * );
+	 * </code>
+	 *
+	 * @param	array	$pStyles	Array containing style information
+	 * @throws	Exception
+	 * @return PHPExcel_Style_Alignment
+	 */
+	public function applyFromArray($pStyles = null) {
+		if (is_array($pStyles)) {
+			if ($this->_isSupervisor) {
+				$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($pStyles));
+			} else {
+				if (array_key_exists('horizontal', $pStyles)) {
+					$this->setHorizontal($pStyles['horizontal']);
+				}
+				if (array_key_exists('vertical', $pStyles)) {
+					$this->setVertical($pStyles['vertical']);
+				}
+				if (array_key_exists('rotation', $pStyles)) {
+					$this->setTextRotation($pStyles['rotation']);
+				}
+				if (array_key_exists('wrap', $pStyles)) {
+					$this->setWrapText($pStyles['wrap']);
+				}
+				if (array_key_exists('shrinkToFit', $pStyles)) {
+					$this->setShrinkToFit($pStyles['shrinkToFit']);
+				}
+				if (array_key_exists('indent', $pStyles)) {
+					$this->setIndent($pStyles['indent']);
+				}
+			}
+		} else {
+			throw new Exception("Invalid style array passed.");
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Horizontal
+	 *
+	 * @return string
+	 */
+	public function getHorizontal() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getHorizontal();
+		}
+		return $this->_horizontal;
+	}
+
+	/**
+	 * Set Horizontal
+	 *
+	 * @param string $pValue
+	 * @return PHPExcel_Style_Alignment
+	 */
+	public function setHorizontal($pValue = PHPExcel_Style_Alignment::HORIZONTAL_GENERAL) {
+		if ($pValue == '') {
+			$pValue = PHPExcel_Style_Alignment::HORIZONTAL_GENERAL;
+		}
+
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('horizontal' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		}
+		else {
+			$this->_horizontal = $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Vertical
+	 *
+	 * @return string
+	 */
+	public function getVertical() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getVertical();
+		}
+		return $this->_vertical;
+	}
+
+	/**
+	 * Set Vertical
+	 *
+	 * @param string $pValue
+	 * @return PHPExcel_Style_Alignment
+	 */
+	public function setVertical($pValue = PHPExcel_Style_Alignment::VERTICAL_BOTTOM) {
+		if ($pValue == '') {
+			$pValue = PHPExcel_Style_Alignment::VERTICAL_BOTTOM;
+		}
+
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('vertical' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_vertical = $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get TextRotation
+	 *
+	 * @return int
+	 */
+	public function getTextRotation() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getTextRotation();
+		}
+		return $this->_textRotation;
+	}
+
+	/**
+	 * Set TextRotation
+	 *
+	 * @param int $pValue
+	 * @throws Exception
+	 * @return PHPExcel_Style_Alignment
+	 */
+	public function setTextRotation($pValue = 0) {
+		// Excel2007 value 255 => PHPExcel value -165
+		if ($pValue == 255) {
+			$pValue = -165;
+		}
+
+		// Set rotation
+		if ( ($pValue >= -90 && $pValue <= 90) || $pValue == -165 ) {
+			if ($this->_isSupervisor) {
+				$styleArray = $this->getStyleArray(array('rotation' => $pValue));
+				$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+			} else {
+				$this->_textRotation = $pValue;
+			}
+		} else {
+			throw new Exception("Text rotation should be a value between -90 and 90.");
+		}
+
+		return $this;
+	}
+
+	/**
+	 * Get Wrap Text
+	 *
+	 * @return boolean
+	 */
+	public function getWrapText() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getWrapText();
+		}
+		return $this->_wrapText;
+	}
+
+	/**
+	 * Set Wrap Text
+	 *
+	 * @param boolean $pValue
+	 * @return PHPExcel_Style_Alignment
+	 */
+	public function setWrapText($pValue = false) {
+		if ($pValue == '') {
+			$pValue = false;
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('wrap' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_wrapText = $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Shrink to fit
+	 *
+	 * @return boolean
+	 */
+	public function getShrinkToFit() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getShrinkToFit();
+		}
+		return $this->_shrinkToFit;
+	}
+
+	/**
+	 * Set Shrink to fit
+	 *
+	 * @param boolean $pValue
+	 * @return PHPExcel_Style_Alignment
+	 */
+	public function setShrinkToFit($pValue = false) {
+		if ($pValue == '') {
+			$pValue = false;
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('shrinkToFit' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_shrinkToFit = $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get indent
+	 *
+	 * @return int
+	 */
+	public function getIndent() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getIndent();
+		}
+		return $this->_indent;
+	}
+
+	/**
+	 * Set indent
+	 *
+	 * @param int $pValue
+	 * @return PHPExcel_Style_Alignment
+	 */
+	public function setIndent($pValue = 0) {
+		if ($pValue > 0) {
+			if ($this->getHorizontal() != self::HORIZONTAL_GENERAL && $this->getHorizontal() != self::HORIZONTAL_LEFT && $this->getHorizontal() != self::HORIZONTAL_RIGHT) {
+				$pValue = 0; // indent not supported
+			}
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('indent' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_indent = $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */
+	public function getHashCode() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getHashCode();
+		}
+		return md5(
+			  $this->_horizontal
+			. $this->_vertical
+			. $this->_textRotation
+			. ($this->_wrapText ? 't' : 'f')
+			. ($this->_shrinkToFit ? 't' : 'f')
+			. $this->_indent
+			. __CLASS__
+		);
+	}
+
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone() {
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if ((is_object($value)) && ($key != '_parent')) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+}
diff --git a/admin/survey/excel/PHPExcel/Style/Border.php b/admin/survey/excel/PHPExcel/Style/Border.php
new file mode 100644
index 0000000..1bd4b13
--- /dev/null
+++ b/admin/survey/excel/PHPExcel/Style/Border.php
@@ -0,0 +1,388 @@
+<?php
+/**
+ * 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_Style
+ * @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	1.7.8, 2012-10-12
+ */
+
+
+/**
+ * PHPExcel_Style_Border
+ *
+ * @category   PHPExcel
+ * @package	PHPExcel_Style
+ * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Style_Border implements PHPExcel_IComparable
+{
+	/* Border style */
+	const BORDER_NONE				= 'none';
+	const BORDER_DASHDOT			= 'dashDot';
+	const BORDER_DASHDOTDOT			= 'dashDotDot';
+	const BORDER_DASHED				= 'dashed';
+	const BORDER_DOTTED				= 'dotted';
+	const BORDER_DOUBLE				= 'double';
+	const BORDER_HAIR				= 'hair';
+	const BORDER_MEDIUM				= 'medium';
+	const BORDER_MEDIUMDASHDOT		= 'mediumDashDot';
+	const BORDER_MEDIUMDASHDOTDOT	= 'mediumDashDotDot';
+	const BORDER_MEDIUMDASHED		= 'mediumDashed';
+	const BORDER_SLANTDASHDOT		= 'slantDashDot';
+	const BORDER_THICK				= 'thick';
+	const BORDER_THIN				= 'thin';
+
+	/**
+	 * Border style
+	 *
+	 * @var string
+	 */
+	private $_borderStyle	= PHPExcel_Style_Border::BORDER_NONE;
+
+	/**
+	 * Border color
+	 *
+	 * @var PHPExcel_Style_Color
+	 */
+	private $_color;
+
+	/**
+	 * Supervisor?
+	 *
+	 * @var boolean
+	 */
+	private $_isSupervisor;
+
+	/**
+	 * Parent. Only used for supervisor
+	 *
+	 * @var PHPExcel_Style_Borders
+	 */
+	private $_parent;
+
+	/**
+	 * Parent property name
+	 *
+	 * @var string
+	 */
+	private $_parentPropertyName;
+
+	/**
+	 * Create a new PHPExcel_Style_Border
+	 *
+	 * @param	boolean	$isSupervisor	Flag indicating if this is a supervisor or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+	 * @param	boolean	$isConditional	Flag indicating if this is a conditional style or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+	 */
+	public function __construct($isSupervisor = false, $isConditional = false)
+	{
+		// Supervisor?
+		$this->_isSupervisor = $isSupervisor;
+
+		// Initialise values
+		$this->_color	= new PHPExcel_Style_Color(PHPExcel_Style_Color::COLOR_BLACK, $isSupervisor);
+
+		// bind parent if we are a supervisor
+		if ($isSupervisor) {
+			$this->_color->bindParent($this, '_color');
+		}
+	}
+
+	/**
+	 * Bind parent. Only used for supervisor
+	 *
+	 * @param PHPExcel_Style_Borders $parent
+	 * @param string $parentPropertyName
+	 * @return PHPExcel_Style_Border
+	 */
+	public function bindParent($parent, $parentPropertyName)
+	{
+		$this->_parent = $parent;
+		$this->_parentPropertyName = $parentPropertyName;
+		return $this;
+	}
+
+	/**
+	 * Is this a supervisor or a real style component?
+	 *
+	 * @return boolean
+	 */
+	public function getIsSupervisor()
+	{
+		return $this->_isSupervisor;
+	}
+
+	/**
+	 * Get the shared style component for the currently active cell in currently active sheet.
+	 * Only used for style supervisor
+	 *
+	 * @return PHPExcel_Style_Border
+	 * @throws Exception
+	 */
+	public function getSharedComponent()
+	{
+		switch ($this->_parentPropertyName) {
+			case '_allBorders':
+			case '_horizontal':
+			case '_inside':
+			case '_outline':
+			case '_vertical':
+				throw new Exception('Cannot get shared component for a pseudo-border.');
+				break;
+
+			case '_bottom':
+				return $this->_parent->getSharedComponent()->getBottom();
+				break;
+
+			case '_diagonal':
+				return $this->_parent->getSharedComponent()->getDiagonal();
+				break;
+
+			case '_left':
+				return $this->_parent->getSharedComponent()->getLeft();
+				break;
+
+			case '_right':
+				return $this->_parent->getSharedComponent()->getRight();
+				break;
+
+			case '_top':
+				return $this->_parent->getSharedComponent()->getTop();
+				break;
+
+		}
+	}
+
+	/**
+	 * Get the currently active sheet. Only used for supervisor
+	 *
+	 * @return PHPExcel_Worksheet
+	 */
+	public function getActiveSheet()
+	{
+		return $this->_parent->getActiveSheet();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getSelectedCells()
+	{
+		return $this->getActiveSheet()->getSelectedCells();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getActiveCell()
+	{
+		return $this->getActiveSheet()->getActiveCell();
+	}
+
+	/**
+	 * Build style array from subcomponents
+	 *
+	 * @param array $array
+	 * @return array
+	 */
+	public function getStyleArray($array)
+	{
+		switch ($this->_parentPropertyName) {
+		case '_allBorders':
+			$key = 'allborders';
+			break;
+
+		case '_bottom':
+			$key = 'bottom';
+			break;
+
+		case '_diagonal':
+			$key = 'diagonal';
+			break;
+
+		case '_horizontal':
+			$key = 'horizontal';
+			break;
+
+		case '_inside':
+			$key = 'inside';
+			break;
+
+		case '_left':
+			$key = 'left';
+			break;
+
+		case '_outline':
+			$key = 'outline';
+			break;
+
+		case '_right':
+			$key = 'right';
+			break;
+
+		case '_top':
+			$key = 'top';
+			break;
+
+		case '_vertical':
+			$key = 'vertical';
+			break;
+		}
+		return $this->_parent->getStyleArray(array($key => $array));
+	}
+
+	/**
+	 * Apply styles from array
+	 *
+	 * <code>
+	 * $objPHPExcel->getActiveSheet()->getStyle('B2')->getBorders()->getTop()->applyFromArray(
+	 *		array(
+	 *			'style' => PHPExcel_Style_Border::BORDER_DASHDOT,
+	 *			'color' => array(
+	 *				'rgb' => '808080'
+	 *			)
+	 *		)
+	 * );
+	 * </code>
+	 *
+	 * @param	array	$pStyles	Array containing style information
+	 * @throws	Exception
+	 * @return PHPExcel_Style_Border
+	 */
+	public function applyFromArray($pStyles = null) {
+		if (is_array($pStyles)) {
+			if ($this->_isSupervisor) {
+				$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($pStyles));
+			} else {
+				if (array_key_exists('style', $pStyles)) {
+					$this->setBorderStyle($pStyles['style']);
+				}
+				if (array_key_exists('color', $pStyles)) {
+					$this->getColor()->applyFromArray($pStyles['color']);
+				}
+			}
+		} else {
+			throw new Exception("Invalid style array passed.");
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Border style
+	 *
+	 * @return string
+	 */
+	public function getBorderStyle() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getBorderStyle();
+		}
+		return $this->_borderStyle;
+	}
+
+	/**
+	 * Set Border style
+	 *
+	 * @param string $pValue
+	 * @return PHPExcel_Style_Border
+	 */
+	public function setBorderStyle($pValue = PHPExcel_Style_Border::BORDER_NONE) {
+
+		if ($pValue == '') {
+			$pValue = PHPExcel_Style_Border::BORDER_NONE;
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('style' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_borderStyle = $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Border Color
+	 *
+	 * @return PHPExcel_Style_Color
+	 */
+	public function getColor() {
+		return $this->_color;
+	}
+
+	/**
+	 * Set Border Color
+	 *
+	 * @param	PHPExcel_Style_Color $pValue
+	 * @throws	Exception
+	 * @return PHPExcel_Style_Border
+	 */
+	public function setColor(PHPExcel_Style_Color $pValue = null) {
+		// make sure parameter is a real color and not a supervisor
+		$color = $pValue->getIsSupervisor() ? $pValue->getSharedComponent() : $pValue;
+
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getColor()->getStyleArray(array('argb' => $color->getARGB()));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_color = $color;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */
+	public function getHashCode() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getHashCode();
+		}
+		return md5(
+			  $this->_borderStyle
+			. $this->_color->getHashCode()
+			. __CLASS__
+		);
+	}
+
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone() {
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if ((is_object($value)) && ($key != '_parent')) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+}
diff --git a/admin/survey/excel/PHPExcel/Style/Borders.php b/admin/survey/excel/PHPExcel/Style/Borders.php
new file mode 100644
index 0000000..e5d55bd
--- /dev/null
+++ b/admin/survey/excel/PHPExcel/Style/Borders.php
@@ -0,0 +1,512 @@
+<?php
+/**
+ * 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_Style
+ * @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    1.7.8, 2012-10-12
+ */
+
+
+/**
+ * PHPExcel_Style_Borders
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel_Style
+ * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Style_Borders implements PHPExcel_IComparable
+{
+	/* Diagonal directions */
+	const DIAGONAL_NONE		= 0;
+	const DIAGONAL_UP		= 1;
+	const DIAGONAL_DOWN		= 2;
+	const DIAGONAL_BOTH		= 3;
+
+	/**
+	 * Left
+	 *
+	 * @var PHPExcel_Style_Border
+	 */
+	private $_left;
+
+	/**
+	 * Right
+	 *
+	 * @var PHPExcel_Style_Border
+	 */
+	private $_right;
+
+	/**
+	 * Top
+	 *
+	 * @var PHPExcel_Style_Border
+	 */
+	private $_top;
+
+	/**
+	 * Bottom
+	 *
+	 * @var PHPExcel_Style_Border
+	 */
+	private $_bottom;
+
+	/**
+	 * Diagonal
+	 *
+	 * @var PHPExcel_Style_Border
+	 */
+	private $_diagonal;
+
+	/**
+	 * DiagonalDirection
+	 *
+	 * @var int
+	 */
+	private $_diagonalDirection;
+
+	/**
+	 * All borders psedo-border. Only applies to supervisor.
+	 *
+	 * @var PHPExcel_Style_Border
+	 */
+	private $_allBorders;
+
+	/**
+	 * Outline psedo-border. Only applies to supervisor.
+	 *
+	 * @var PHPExcel_Style_Border
+	 */
+	private $_outline;
+
+	/**
+	 * Inside psedo-border. Only applies to supervisor.
+	 *
+	 * @var PHPExcel_Style_Border
+	 */
+	private $_inside;
+
+	/**
+	 * Vertical pseudo-border. Only applies to supervisor.
+	 *
+	 * @var PHPExcel_Style_Border
+	 */
+	private $_vertical;
+
+	/**
+	 * Horizontal pseudo-border. Only applies to supervisor.
+	 *
+	 * @var PHPExcel_Style_Border
+	 */
+	private $_horizontal;
+
+	/**
+	 * Parent Borders
+	 *
+	 * @var _parentPropertyName string
+	 */
+	private $_parentPropertyName;
+
+	/**
+	 * Supervisor?
+	 *
+	 * @var boolean
+	 */
+	private $_isSupervisor;
+
+	/**
+	 * Parent. Only used for supervisor
+	 *
+	 * @var PHPExcel_Style
+	 */
+	private $_parent;
+
+	/**
+     * Create a new PHPExcel_Style_Borders
+	 *
+	 * @param	boolean	$isSupervisor	Flag indicating if this is a supervisor or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+	 * @param	boolean	$isConditional	Flag indicating if this is a conditional style or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+     */
+    public function __construct($isSupervisor = false, $isConditional = false)
+    {
+    	// Supervisor?
+		$this->_isSupervisor = $isSupervisor;
+
+    	// Initialise values
+    	$this->_left				= new PHPExcel_Style_Border($isSupervisor, $isConditional);
+    	$this->_right				= new PHPExcel_Style_Border($isSupervisor, $isConditional);
+    	$this->_top					= new PHPExcel_Style_Border($isSupervisor, $isConditional);
+    	$this->_bottom				= new PHPExcel_Style_Border($isSupervisor, $isConditional);
+    	$this->_diagonal			= new PHPExcel_Style_Border($isSupervisor, $isConditional);
+		$this->_diagonalDirection	= PHPExcel_Style_Borders::DIAGONAL_NONE;
+
+		// Specially for supervisor
+		if ($isSupervisor) {
+			// Initialize pseudo-borders
+			$this->_allBorders			= new PHPExcel_Style_Border(true);
+			$this->_outline				= new PHPExcel_Style_Border(true);
+			$this->_inside				= new PHPExcel_Style_Border(true);
+			$this->_vertical			= new PHPExcel_Style_Border(true);
+			$this->_horizontal			= new PHPExcel_Style_Border(true);
+
+			// bind parent if we are a supervisor
+			$this->_left->bindParent($this, '_left');
+			$this->_right->bindParent($this, '_right');
+			$this->_top->bindParent($this, '_top');
+			$this->_bottom->bindParent($this, '_bottom');
+			$this->_diagonal->bindParent($this, '_diagonal');
+			$this->_allBorders->bindParent($this, '_allBorders');
+			$this->_outline->bindParent($this, '_outline');
+			$this->_inside->bindParent($this, '_inside');
+			$this->_vertical->bindParent($this, '_vertical');
+			$this->_horizontal->bindParent($this, '_horizontal');
+		}
+    }
+
+	/**
+	 * Bind parent. Only used for supervisor
+	 *
+	 * @param PHPExcel_Style $parent
+	 * @return PHPExcel_Style_Borders
+	 */
+	public function bindParent($parent)
+	{
+		$this->_parent = $parent;
+		return $this;
+	}
+
+	/**
+	 * Is this a supervisor or a real style component?
+	 *
+	 * @return boolean
+	 */
+	public function getIsSupervisor()
+	{
+		return $this->_isSupervisor;
+	}
+
+	/**
+	 * Get the shared style component for the currently active cell in currently active sheet.
+	 * Only used for style supervisor
+	 *
+	 * @return PHPExcel_Style_Borders
+	 */
+	public function getSharedComponent()
+	{
+		return $this->_parent->getSharedComponent()->getBorders();
+	}
+
+	/**
+	 * Get the currently active sheet. Only used for supervisor
+	 *
+	 * @return PHPExcel_Worksheet
+	 */
+	public function getActiveSheet()
+	{
+		return $this->_parent->getActiveSheet();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getSelectedCells()
+	{
+		return $this->getActiveSheet()->getSelectedCells();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getActiveCell()
+	{
+		return $this->getActiveSheet()->getActiveCell();
+	}
+
+	/**
+	 * Build style array from subcomponents
+	 *
+	 * @param array $array
+	 * @return array
+	 */
+	public function getStyleArray($array)
+	{
+		return array('borders' => $array);
+	}
+
+	/**
+     * Apply styles from array
+     *
+     * <code>
+     * $objPHPExcel->getActiveSheet()->getStyle('B2')->getBorders()->applyFromArray(
+     * 		array(
+     * 			'bottom'     => array(
+     * 				'style' => PHPExcel_Style_Border::BORDER_DASHDOT,
+     * 				'color' => array(
+     * 					'rgb' => '808080'
+     * 				)
+     * 			),
+     * 			'top'     => array(
+     * 				'style' => PHPExcel_Style_Border::BORDER_DASHDOT,
+     * 				'color' => array(
+     * 					'rgb' => '808080'
+     * 				)
+     * 			)
+     * 		)
+     * );
+     * </code>
+     * <code>
+     * $objPHPExcel->getActiveSheet()->getStyle('B2')->getBorders()->applyFromArray(
+     * 		array(
+     * 			'allborders' => array(
+     * 				'style' => PHPExcel_Style_Border::BORDER_DASHDOT,
+     * 				'color' => array(
+     * 					'rgb' => '808080'
+     * 				)
+     * 			)
+     * 		)
+     * );
+     * </code>
+     *
+     * @param	array	$pStyles	Array containing style information
+     * @throws	Exception
+     * @return PHPExcel_Style_Borders
+     */
+	public function applyFromArray($pStyles = null) {
+		if (is_array($pStyles)) {
+			if ($this->_isSupervisor) {
+				$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($pStyles));
+			} else {
+				if (array_key_exists('left', $pStyles)) {
+					$this->getLeft()->applyFromArray($pStyles['left']);
+				}
+				if (array_key_exists('right', $pStyles)) {
+					$this->getRight()->applyFromArray($pStyles['right']);
+				}
+				if (array_key_exists('top', $pStyles)) {
+					$this->getTop()->applyFromArray($pStyles['top']);
+				}
+				if (array_key_exists('bottom', $pStyles)) {
+					$this->getBottom()->applyFromArray($pStyles['bottom']);
+				}
+				if (array_key_exists('diagonal', $pStyles)) {
+					$this->getDiagonal()->applyFromArray($pStyles['diagonal']);
+				}
+				if (array_key_exists('diagonaldirection', $pStyles)) {
+					$this->setDiagonalDirection($pStyles['diagonaldirection']);
+				}
+				if (array_key_exists('allborders', $pStyles)) {
+					$this->getLeft()->applyFromArray($pStyles['allborders']);
+					$this->getRight()->applyFromArray($pStyles['allborders']);
+					$this->getTop()->applyFromArray($pStyles['allborders']);
+					$this->getBottom()->applyFromArray($pStyles['allborders']);
+				}
+			}
+		} else {
+			throw new Exception("Invalid style array passed.");
+		}
+		return $this;
+	}
+
+    /**
+     * Get Left
+     *
+     * @return PHPExcel_Style_Border
+     */
+    public function getLeft() {
+		return $this->_left;
+    }
+
+    /**
+     * Get Right
+     *
+     * @return PHPExcel_Style_Border
+     */
+    public function getRight() {
+		return $this->_right;
+    }
+
+    /**
+     * Get Top
+     *
+     * @return PHPExcel_Style_Border
+     */
+    public function getTop() {
+		return $this->_top;
+    }
+
+    /**
+     * Get Bottom
+     *
+     * @return PHPExcel_Style_Border
+     */
+    public function getBottom() {
+		return $this->_bottom;
+    }
+
+    /**
+     * Get Diagonal
+     *
+     * @return PHPExcel_Style_Border
+     */
+    public function getDiagonal() {
+		return $this->_diagonal;
+    }
+
+    /**
+     * Get AllBorders (pseudo-border). Only applies to supervisor.
+     *
+     * @return PHPExcel_Style_Border
+     * @throws Exception
+     */
+    public function getAllBorders() {
+		if (!$this->_isSupervisor) {
+			throw new Exception('Can only get pseudo-border for supervisor.');
+		}
+		return $this->_allBorders;
+    }
+
+    /**
+     * Get Outline (pseudo-border). Only applies to supervisor.
+     *
+     * @return boolean
+     * @throws Exception
+     */
+    public function getOutline() {
+		if (!$this->_isSupervisor) {
+			throw new Exception('Can only get pseudo-border for supervisor.');
+		}
+    	return $this->_outline;
+    }
+
+    /**
+     * Get Inside (pseudo-border). Only applies to supervisor.
+     *
+     * @return boolean
+     * @throws Exception
+     */
+    public function getInside() {
+		if (!$this->_isSupervisor) {
+			throw new Exception('Can only get pseudo-border for supervisor.');
+		}
+    	return $this->_inside;
+    }
+
+    /**
+     * Get Vertical (pseudo-border). Only applies to supervisor.
+     *
+     * @return PHPExcel_Style_Border
+     * @throws Exception
+     */
+    public function getVertical() {
+		if (!$this->_isSupervisor) {
+			throw new Exception('Can only get pseudo-border for supervisor.');
+		}
+		return $this->_vertical;
+    }
+
+    /**
+     * Get Horizontal (pseudo-border). Only applies to supervisor.
+     *
+     * @return PHPExcel_Style_Border
+     * @throws Exception
+     */
+    public function getHorizontal() {
+		if (!$this->_isSupervisor) {
+			throw new Exception('Can only get pseudo-border for supervisor.');
+		}
+		return $this->_horizontal;
+    }
+
+    /**
+     * Get DiagonalDirection
+     *
+     * @return int
+     */
+    public function getDiagonalDirection() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getDiagonalDirection();
+		}
+    	return $this->_diagonalDirection;
+    }
+
+    /**
+     * Set DiagonalDirection
+     *
+     * @param int $pValue
+     * @return PHPExcel_Style_Borders
+     */
+    public function setDiagonalDirection($pValue = PHPExcel_Style_Borders::DIAGONAL_NONE) {
+        if ($pValue == '') {
+    		$pValue = PHPExcel_Style_Borders::DIAGONAL_NONE;
+    	}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('diagonaldirection' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_diagonalDirection = $pValue;
+		}
+		return $this;
+    }
+
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */
+	public function getHashCode() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getHashcode();
+		}
+    	return md5(
+    		  $this->getLeft()->getHashCode()
+    		. $this->getRight()->getHashCode()
+    		. $this->getTop()->getHashCode()
+    		. $this->getBottom()->getHashCode()
+    		. $this->getDiagonal()->getHashCode()
+    		. $this->getDiagonalDirection()
+    		. __CLASS__
+    	);
+    }
+
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone() {
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if ((is_object($value)) && ($key != '_parent')) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+}
diff --git a/admin/survey/excel/PHPExcel/Style/Color.php b/admin/survey/excel/PHPExcel/Style/Color.php
new file mode 100644
index 0000000..6956878
--- /dev/null
+++ b/admin/survey/excel/PHPExcel/Style/Color.php
@@ -0,0 +1,510 @@
+<?php
+/**
+ * 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_Style
+ * @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 1.7.8, 2012-10-12
+ */
+
+
+/**
+ * PHPExcel_Style_Color
+ *
+ * @category   PHPExcel
+ * @package	PHPExcel_Style
+ * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Style_Color implements PHPExcel_IComparable
+{
+	/* Colors */
+	const COLOR_BLACK						= 'FF000000';
+	const COLOR_WHITE						= 'FFFFFFFF';
+	const COLOR_RED							= 'FFFF0000';
+	const COLOR_DARKRED						= 'FF800000';
+	const COLOR_BLUE						= 'FF0000FF';
+	const COLOR_DARKBLUE					= 'FF000080';
+	const COLOR_GREEN						= 'FF00FF00';
+	const COLOR_DARKGREEN					= 'FF008000';
+	const COLOR_YELLOW						= 'FFFFFF00';
+	const COLOR_DARKYELLOW					= 'FF808000';
+
+	/**
+	 * Indexed colors array
+	 *
+	 * @var array
+	 */
+	private static $_indexedColors;
+
+	/**
+	 * ARGB - Alpha RGB
+	 *
+	 * @var string
+	 */
+	private $_argb	= NULL;
+
+	/**
+	 * Supervisor?
+	 *
+	 * @var boolean
+	 */
+	private $_isSupervisor;
+
+	/**
+	 * Parent. Only used for supervisor
+	 *
+	 * @var mixed
+	 */
+	private $_parent;
+
+	/**
+	 * Parent property name
+	 *
+	 * @var string
+	 */
+	private $_parentPropertyName;
+
+
+	/**
+	 * Create a new PHPExcel_Style_Color
+	 *
+	 * @param	string	$pARGB			ARGB value for the colour
+	 * @param	boolean	$isSupervisor	Flag indicating if this is a supervisor or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+	 * @param	boolean	$isConditional	Flag indicating if this is a conditional style or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+	 */
+	public function __construct($pARGB = PHPExcel_Style_Color::COLOR_BLACK, $isSupervisor = false, $isConditional = false)
+	{
+		//	Supervisor?
+		$this->_isSupervisor = $isSupervisor;
+
+		//	Initialise values
+		if (!$isConditional) {
+			$this->_argb = $pARGB;
+		}
+	}
+
+	/**
+	 * Bind parent. Only used for supervisor
+	 *
+	 * @param mixed $parent
+	 * @param string $parentPropertyName
+	 * @return PHPExcel_Style_Color
+	 */
+	public function bindParent($parent, $parentPropertyName)
+	{
+		$this->_parent = $parent;
+		$this->_parentPropertyName = $parentPropertyName;
+		return $this;
+	}
+
+	/**
+	 * Is this a supervisor or a real style component?
+	 *
+	 * @return boolean
+	 */
+	public function getIsSupervisor()
+	{
+		return $this->_isSupervisor;
+	}
+
+	/**
+	 * Get the shared style component for the currently active cell in currently active sheet.
+	 * Only used for style supervisor
+	 *
+	 * @return PHPExcel_Style_Color
+	 */
+	public function getSharedComponent()
+	{
+		switch ($this->_parentPropertyName) {
+			case '_endColor':
+				return $this->_parent->getSharedComponent()->getEndColor();		break;
+			case '_color':
+				return $this->_parent->getSharedComponent()->getColor();		break;
+			case '_startColor':
+				return $this->_parent->getSharedComponent()->getStartColor();	break;
+		}
+	}
+
+	/**
+	 * Get the currently active sheet. Only used for supervisor
+	 *
+	 * @return PHPExcel_Worksheet
+	 */
+	public function getActiveSheet()
+	{
+		return $this->_parent->getActiveSheet();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getSelectedCells()
+	{
+		return $this->getActiveSheet()->getSelectedCells();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getActiveCell()
+	{
+		return $this->getActiveSheet()->getActiveCell();
+	}
+
+	/**
+	 * Build style array from subcomponents
+	 *
+	 * @param array $array
+	 * @return array
+	 */
+	public function getStyleArray($array)
+	{
+		switch ($this->_parentPropertyName) {
+			case '_endColor':
+				$key = 'endcolor';
+				break;
+			case '_color':
+				$key = 'color';
+				break;
+			case '_startColor':
+				$key = 'startcolor';
+				break;
+
+		}
+		return $this->_parent->getStyleArray(array($key => $array));
+	}
+
+	/**
+	 * Apply styles from array
+	 *
+	 * <code>
+	 * $objPHPExcel->getActiveSheet()->getStyle('B2')->getFont()->getColor()->applyFromArray( array('rgb' => '808080') );
+	 * </code>
+	 *
+	 * @param	array	$pStyles	Array containing style information
+	 * @throws	Exception
+	 * @return PHPExcel_Style_Color
+	 */
+	public function applyFromArray($pStyles = NULL) {
+		if (is_array($pStyles)) {
+			if ($this->_isSupervisor) {
+				$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($pStyles));
+			} else {
+				if (array_key_exists('rgb', $pStyles)) {
+					$this->setRGB($pStyles['rgb']);
+				}
+				if (array_key_exists('argb', $pStyles)) {
+					$this->setARGB($pStyles['argb']);
+				}
+			}
+		} else {
+			throw new Exception("Invalid style array passed.");
+		}
+		return $this;
+	}
+
+	/**
+	 * Get ARGB
+	 *
+	 * @return string
+	 */
+	public function getARGB() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getARGB();
+		}
+		return $this->_argb;
+	}
+
+	/**
+	 * Set ARGB
+	 *
+	 * @param string $pValue
+	 * @return PHPExcel_Style_Color
+	 */
+	public function setARGB($pValue = PHPExcel_Style_Color::COLOR_BLACK) {
+		if ($pValue == '') {
+			$pValue = PHPExcel_Style_Color::COLOR_BLACK;
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('argb' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_argb = $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get RGB
+	 *
+	 * @return string
+	 */
+	public function getRGB() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getRGB();
+		}
+		return substr($this->_argb, 2);
+	}
+
+	/**
+	 * Set RGB
+	 *
+	 * @param	string	$pValue	RGB value
+	 * @return PHPExcel_Style_Color
+	 */
+	public function setRGB($pValue = '000000') {
+		if ($pValue == '') {
+			$pValue = '000000';
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('argb' => 'FF' . $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_argb = 'FF' . $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get a specified colour component of an RGB value
+	 *
+	 * @private
+	 * @param	string		$RGB		The colour as an RGB value (e.g. FF00CCCC or CCDDEE
+	 * @param	int			$offset		Position within the RGB value to extract
+	 * @param	boolean		$hex		Flag indicating whether the component should be returned as a hex or a
+	 *									decimal value
+	 * @return	string		The extracted colour component
+	 */
+	private static function _getColourComponent($RGB,$offset,$hex=TRUE) {
+		$colour = substr($RGB, $offset, 2);
+		if (!$hex)
+			$colour = hexdec($colour);
+		return $colour;
+	}
+
+	/**
+	 * Get the red colour component of an RGB value
+	 *
+	 * @param	string		$RGB		The colour as an RGB value (e.g. FF00CCCC or CCDDEE
+	 * @param	boolean		$hex		Flag indicating whether the component should be returned as a hex or a
+	 *									decimal value
+	 * @return	string		The red colour component
+	 */
+	public static function getRed($RGB,$hex=TRUE) {
+		if (strlen($RGB) == 8) {
+			return self::_getColourComponent($RGB, 2, $hex);
+		} elseif (strlen($RGB) == 6) {
+			return self::_getColourComponent($RGB, 0, $hex);
+		}
+	}
+
+	/**
+	 * Get the green colour component of an RGB value
+	 *
+	 * @param	string		$RGB		The colour as an RGB value (e.g. FF00CCCC or CCDDEE
+	 * @param	boolean		$hex		Flag indicating whether the component should be returned as a hex or a
+	 *									decimal value
+	 * @return	string		The green colour component
+	 */
+	public static function getGreen($RGB,$hex=TRUE) {
+		if (strlen($RGB) == 8) {
+			return self::_getColourComponent($RGB, 4, $hex);
+		} elseif (strlen($RGB) == 6) {
+			return self::_getColourComponent($RGB, 2, $hex);
+		}
+	}
+
+	/**
+	 * Get the blue colour component of an RGB value
+	 *
+	 * @param	string		$RGB		The colour as an RGB value (e.g. FF00CCCC or CCDDEE
+	 * @param	boolean		$hex		Flag indicating whether the component should be returned as a hex or a
+	 *									decimal value
+	 * @return	string		The blue colour component
+	 */
+	public static function getBlue($RGB,$hex=TRUE) {
+		if (strlen($RGB) == 8) {
+			return self::_getColourComponent($RGB, 6, $hex);
+		} elseif (strlen($RGB) == 6) {
+			return self::_getColourComponent($RGB, 4, $hex);
+		}
+	}
+
+	/**
+	 * Adjust the brightness of a color
+	 *
+	 * @param	string		$hex	The colour as an RGBA or RGB value (e.g. FF00CCCC or CCDDEE)
+	 * @param	float		$adjustPercentage	The percentage by which to adjust the colour as a float from -1 to 1
+	 * @return	string		The adjusted colour as an RGBA or RGB value (e.g. FF00CCCC or CCDDEE)
+	 */
+	public static function changeBrightness($hex, $adjustPercentage) {
+		$rgba = (strlen($hex) == 8);
+
+		$red	= self::getRed($hex, FALSE);
+		$green	= self::getGreen($hex, FALSE);
+		$blue	= self::getBlue($hex, FALSE);
+		if ($adjustPercentage > 0) {
+			$red	+= (255 - $red) * $adjustPercentage;
+			$green	+= (255 - $green) * $adjustPercentage;
+			$blue	+= (255 - $blue) * $adjustPercentage;
+		} else {
+			$red	+= $red * $adjustPercentage;
+			$green	+= $green * $adjustPercentage;
+			$blue	+= $blue * $adjustPercentage;
+		}
+
+		if ($red < 0) $red = 0;
+		elseif ($red > 255) $red = 255;
+		if ($green < 0) $green = 0;
+		elseif ($green > 255) $green = 255;
+		if ($blue < 0) $blue = 0;
+		elseif ($blue > 255) $blue = 255;
+
+		$rgb = strtoupper(	str_pad(dechex($red), 2, '0', 0) .
+							str_pad(dechex($green), 2, '0', 0) .
+							str_pad(dechex($blue), 2, '0', 0)
+						 );
+		return (($rgba) ? 'FF' : '') . $rgb;
+	}
+
+	/**
+	 * Get indexed color
+	 *
+	 * @param	int			$pIndex			Index entry point into the colour array
+	 * @param	boolean		$background		Flag to indicate whether default background or foreground colour
+	 *											should be returned if the indexed colour doesn't exist
+	 * @return	PHPExcel_Style_Color
+	 */
+	public static function indexedColor($pIndex, $background=FALSE) {
+		// Clean parameter
+		$pIndex = intval($pIndex);
+
+		// Indexed colors
+		if (is_null(self::$_indexedColors)) {
+			self::$_indexedColors = array(
+					1	=> 'FF000000',	//	System Colour #1 - Black
+					2	=> 'FFFFFFFF',	//	System Colour #2 - White
+					3	=> 'FFFF0000',	//	System Colour #3 - Red
+					4	=> 'FF00FF00',	//	System Colour #4 - Green
+					5	=> 'FF0000FF',	//	System Colour #5 - Blue
+					6	=> 'FFFFFF00',	//	System Colour #6 - Yellow
+					7	=> 'FFFF00FF',	//	System Colour #7- Magenta
+					8	=> 'FF00FFFF',	//	System Colour #8- Cyan
+					9	=> 'FF800000',	//	Standard Colour #9
+					10	=> 'FF008000',	//	Standard Colour #10
+					11	=> 'FF000080',	//	Standard Colour #11
+					12	=> 'FF808000',	//	Standard Colour #12
+					13	=> 'FF800080',	//	Standard Colour #13
+					14	=> 'FF008080',	//	Standard Colour #14
+					15	=> 'FFC0C0C0',	//	Standard Colour #15
+					16	=> 'FF808080',	//	Standard Colour #16
+					17	=> 'FF9999FF',	//	Chart Fill Colour #17
+					18	=> 'FF993366',	//	Chart Fill Colour #18
+					19	=> 'FFFFFFCC',	//	Chart Fill Colour #19
+					20	=> 'FFCCFFFF',	//	Chart Fill Colour #20
+					21	=> 'FF660066',	//	Chart Fill Colour #21
+					22	=> 'FFFF8080',	//	Chart Fill Colour #22
+					23	=> 'FF0066CC',	//	Chart Fill Colour #23
+					24	=> 'FFCCCCFF',	//	Chart Fill Colour #24
+					25	=> 'FF000080',	//	Chart Line Colour #25
+					26	=> 'FFFF00FF',	//	Chart Line Colour #26
+					27	=> 'FFFFFF00',	//	Chart Line Colour #27
+					28	=> 'FF00FFFF',	//	Chart Line Colour #28
+					29	=> 'FF800080',	//	Chart Line Colour #29
+					30	=> 'FF800000',	//	Chart Line Colour #30
+					31	=> 'FF008080',	//	Chart Line Colour #31
+					32	=> 'FF0000FF',	//	Chart Line Colour #32
+					33	=> 'FF00CCFF',	//	Standard Colour #33
+					34	=> 'FFCCFFFF',	//	Standard Colour #34
+					35	=> 'FFCCFFCC',	//	Standard Colour #35
+					36	=> 'FFFFFF99',	//	Standard Colour #36
+					37	=> 'FF99CCFF',	//	Standard Colour #37
+					38	=> 'FFFF99CC',	//	Standard Colour #38
+					39	=> 'FFCC99FF',	//	Standard Colour #39
+					40	=> 'FFFFCC99',	//	Standard Colour #40
+					41	=> 'FF3366FF',	//	Standard Colour #41
+					42	=> 'FF33CCCC',	//	Standard Colour #42
+					43	=> 'FF99CC00',	//	Standard Colour #43
+					44	=> 'FFFFCC00',	//	Standard Colour #44
+					45	=> 'FFFF9900',	//	Standard Colour #45
+					46	=> 'FFFF6600',	//	Standard Colour #46
+					47	=> 'FF666699',	//	Standard Colour #47
+					48	=> 'FF969696',	//	Standard Colour #48
+					49	=> 'FF003366',	//	Standard Colour #49
+					50	=> 'FF339966',	//	Standard Colour #50
+					51	=> 'FF003300',	//	Standard Colour #51
+					52	=> 'FF333300',	//	Standard Colour #52
+					53	=> 'FF993300',	//	Standard Colour #53
+					54	=> 'FF993366',	//	Standard Colour #54
+					55	=> 'FF333399',	//	Standard Colour #55
+					56	=> 'FF333333'	//	Standard Colour #56
+				);
+		}
+
+		if (array_key_exists($pIndex, self::$_indexedColors)) {
+			return new PHPExcel_Style_Color(self::$_indexedColors[$pIndex]);
+		}
+
+		if ($background) {
+			return new PHPExcel_Style_Color('FFFFFFFF');
+		}
+		return new PHPExcel_Style_Color('FF000000');
+	}
+
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */
+	public function getHashCode() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getHashCode();
+		}
+		return md5(
+			  $this->_argb
+			. __CLASS__
+		);
+	}
+
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone() {
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if ((is_object($value)) && ($key != '_parent')) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+}
diff --git a/admin/survey/excel/PHPExcel/Style/Conditional.php b/admin/survey/excel/PHPExcel/Style/Conditional.php
new file mode 100644
index 0000000..c9dd52f
--- /dev/null
+++ b/admin/survey/excel/PHPExcel/Style/Conditional.php
@@ -0,0 +1,277 @@
+<?php
+/**
+ * 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_Style
+ * @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    1.7.8, 2012-10-12
+ */
+
+
+/**
+ * PHPExcel_Style_Conditional
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel_Style
+ * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Style_Conditional implements PHPExcel_IComparable
+{
+	/* Condition types */
+	const CONDITION_NONE					= 'none';
+	const CONDITION_CELLIS					= 'cellIs';
+	const CONDITION_CONTAINSTEXT			= 'containsText';
+	const CONDITION_EXPRESSION 				= 'expression';
+
+	/* Operator types */
+	const OPERATOR_NONE						= '';
+	const OPERATOR_BEGINSWITH				= 'beginsWith';
+	const OPERATOR_ENDSWITH					= 'endsWith';
+	const OPERATOR_EQUAL					= 'equal';
+	const OPERATOR_GREATERTHAN				= 'greaterThan';
+	const OPERATOR_GREATERTHANOREQUAL		= 'greaterThanOrEqual';
+	const OPERATOR_LESSTHAN					= 'lessThan';
+	const OPERATOR_LESSTHANOREQUAL			= 'lessThanOrEqual';
+	const OPERATOR_NOTEQUAL					= 'notEqual';
+	const OPERATOR_CONTAINSTEXT				= 'containsText';
+	const OPERATOR_NOTCONTAINS				= 'notContains';
+	const OPERATOR_BETWEEN					= 'between';
+
+	/**
+	 * Condition type
+	 *
+	 * @var int
+	 */
+	private $_conditionType;
+
+	/**
+	 * Operator type
+	 *
+	 * @var int
+	 */
+	private $_operatorType;
+
+	/**
+	 * Text
+	 *
+	 * @var string
+	 */
+	private $_text;
+
+	/**
+	 * Condition
+	 *
+	 * @var string[]
+	 */
+	private $_condition = array();
+
+	/**
+	 * Style
+	 *
+	 * @var PHPExcel_Style
+	 */
+	private $_style;
+
+    /**
+     * Create a new PHPExcel_Style_Conditional
+     */
+    public function __construct()
+    {
+    	// Initialise values
+    	$this->_conditionType		= PHPExcel_Style_Conditional::CONDITION_NONE;
+    	$this->_operatorType		= PHPExcel_Style_Conditional::OPERATOR_NONE;
+    	$this->_text    			= null;
+    	$this->_condition			= array();
+    	$this->_style				= new PHPExcel_Style(FALSE, TRUE);
+    }
+
+    /**
+     * Get Condition type
+     *
+     * @return string
+     */
+    public function getConditionType() {
+    	return $this->_conditionType;
+    }
+
+    /**
+     * Set Condition type
+     *
+     * @param string $pValue	PHPExcel_Style_Conditional condition type
+     * @return PHPExcel_Style_Conditional
+     */
+    public function setConditionType($pValue = PHPExcel_Style_Conditional::CONDITION_NONE) {
+    	$this->_conditionType = $pValue;
+    	return $this;
+    }
+
+    /**
+     * Get Operator type
+     *
+     * @return string
+     */
+    public function getOperatorType() {
+    	return $this->_operatorType;
+    }
+
+    /**
+     * Set Operator type
+     *
+     * @param string $pValue	PHPExcel_Style_Conditional operator type
+     * @return PHPExcel_Style_Conditional
+     */
+    public function setOperatorType($pValue = PHPExcel_Style_Conditional::OPERATOR_NONE) {
+    	$this->_operatorType = $pValue;
+    	return $this;
+    }
+
+    /**
+     * Get text
+     *
+     * @return string
+     */
+    public function getText() {
+        return $this->_text;
+    }
+
+    /**
+     * Set text
+     *
+     * @param string $value
+     * @return PHPExcel_Style_Conditional
+     */
+    public function setText($value = null) {
+           $this->_text = $value;
+           return $this;
+    }
+
+    /**
+     * Get Condition
+     *
+     * @deprecated Deprecated, use getConditions instead
+     * @return string
+     */
+    public function getCondition() {
+    	if (isset($this->_condition[0])) {
+    		return $this->_condition[0];
+    	}
+
+    	return '';
+    }
+
+    /**
+     * Set Condition
+     *
+     * @deprecated Deprecated, use setConditions instead
+     * @param string $pValue	Condition
+     * @return PHPExcel_Style_Conditional
+     */
+    public function setCondition($pValue = '') {
+    	if (!is_array($pValue))
+    		$pValue = array($pValue);
+
+    	return $this->setConditions($pValue);
+    }
+
+    /**
+     * Get Conditions
+     *
+     * @return string[]
+     */
+    public function getConditions() {
+    	return $this->_condition;
+    }
+
+    /**
+     * Set Conditions
+     *
+     * @param string[] $pValue	Condition
+     * @return PHPExcel_Style_Conditional
+     */
+    public function setConditions($pValue) {
+    	if (!is_array($pValue))
+    		$pValue = array($pValue);
+
+    	$this->_condition = $pValue;
+    	return $this;
+    }
+
+    /**
+     * Add Condition
+     *
+     * @param string $pValue	Condition
+     * @return PHPExcel_Style_Conditional
+     */
+    public function addCondition($pValue = '') {
+    	$this->_condition[] = $pValue;
+    	return $this;
+    }
+
+    /**
+     * Get Style
+     *
+     * @return PHPExcel_Style
+     */
+    public function getStyle() {
+    	return $this->_style;
+    }
+
+    /**
+     * Set Style
+     *
+     * @param 	PHPExcel_Style $pValue
+     * @throws 	Exception
+     * @return PHPExcel_Style_Conditional
+     */
+    public function setStyle(PHPExcel_Style $pValue = null) {
+   		$this->_style = $pValue;
+   		return $this;
+    }
+
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */
+	public function getHashCode() {
+    	return md5(
+    		  $this->_conditionType
+    		. $this->_operatorType
+    		. implode(';', $this->_condition)
+    		. $this->_style->getHashCode()
+    		. __CLASS__
+    	);
+    }
+
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone() {
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if (is_object($value)) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+}
diff --git a/admin/survey/excel/PHPExcel/Style/Fill.php b/admin/survey/excel/PHPExcel/Style/Fill.php
new file mode 100644
index 0000000..66ec2cf
--- /dev/null
+++ b/admin/survey/excel/PHPExcel/Style/Fill.php
@@ -0,0 +1,409 @@
+<?php
+/**
+ * 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_Style
+ * @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	1.7.8, 2012-10-12
+ */
+
+
+/**
+ * PHPExcel_Style_Fill
+ *
+ * @category   PHPExcel
+ * @package	PHPExcel_Style
+ * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Style_Fill implements PHPExcel_IComparable
+{
+	/* Fill types */
+	const FILL_NONE							= 'none';
+	const FILL_SOLID						= 'solid';
+	const FILL_GRADIENT_LINEAR				= 'linear';
+	const FILL_GRADIENT_PATH				= 'path';
+	const FILL_PATTERN_DARKDOWN				= 'darkDown';
+	const FILL_PATTERN_DARKGRAY				= 'darkGray';
+	const FILL_PATTERN_DARKGRID				= 'darkGrid';
+	const FILL_PATTERN_DARKHORIZONTAL		= 'darkHorizontal';
+	const FILL_PATTERN_DARKTRELLIS			= 'darkTrellis';
+	const FILL_PATTERN_DARKUP				= 'darkUp';
+	const FILL_PATTERN_DARKVERTICAL			= 'darkVertical';
+	const FILL_PATTERN_GRAY0625				= 'gray0625';
+	const FILL_PATTERN_GRAY125				= 'gray125';
+	const FILL_PATTERN_LIGHTDOWN			= 'lightDown';
+	const FILL_PATTERN_LIGHTGRAY			= 'lightGray';
+	const FILL_PATTERN_LIGHTGRID			= 'lightGrid';
+	const FILL_PATTERN_LIGHTHORIZONTAL		= 'lightHorizontal';
+	const FILL_PATTERN_LIGHTTRELLIS			= 'lightTrellis';
+	const FILL_PATTERN_LIGHTUP				= 'lightUp';
+	const FILL_PATTERN_LIGHTVERTICAL		= 'lightVertical';
+	const FILL_PATTERN_MEDIUMGRAY			= 'mediumGray';
+
+	/**
+	 * Fill type
+	 *
+	 * @var string
+	 */
+	private $_fillType	= PHPExcel_Style_Fill::FILL_NONE;
+
+	/**
+	 * Rotation
+	 *
+	 * @var double
+	 */
+	private $_rotation	= 0;
+
+	/**
+	 * Start color
+	 *
+	 * @var PHPExcel_Style_Color
+	 */
+	private $_startColor;
+
+	/**
+	 * End color
+	 *
+	 * @var PHPExcel_Style_Color
+	 */
+	private $_endColor;
+
+	/**
+	 * Parent Borders
+	 *
+	 * @var _parentPropertyName string
+	 */
+	private $_parentPropertyName;
+
+	/**
+	 * Supervisor?
+	 *
+	 * @var boolean
+	 */
+	private $_isSupervisor;
+
+	/**
+	 * Parent. Only used for supervisor
+	 *
+	 * @var PHPExcel_Style
+	 */
+	private $_parent;
+
+	/**
+	 * Create a new PHPExcel_Style_Fill
+	 *
+	 * @param	boolean	$isSupervisor	Flag indicating if this is a supervisor or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+	 * @param	boolean	$isConditional	Flag indicating if this is a conditional style or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+	 */
+	public function __construct($isSupervisor = false, $isConditional = false)
+	{
+		// Supervisor?
+		$this->_isSupervisor = $isSupervisor;
+
+		// Initialise values
+		if ($isConditional) {
+			$this->_fillType = NULL;
+		}
+		$this->_startColor			= new PHPExcel_Style_Color(PHPExcel_Style_Color::COLOR_WHITE, $isSupervisor, $isConditional);
+		$this->_endColor			= new PHPExcel_Style_Color(PHPExcel_Style_Color::COLOR_BLACK, $isSupervisor, $isConditional);
+
+		// bind parent if we are a supervisor
+		if ($isSupervisor) {
+			$this->_startColor->bindParent($this, '_startColor');
+			$this->_endColor->bindParent($this, '_endColor');
+		}
+	}
+
+	/**
+	 * Bind parent. Only used for supervisor
+	 *
+	 * @param PHPExcel_Style $parent
+	 * @return PHPExcel_Style_Fill
+	 */
+	public function bindParent($parent)
+	{
+		$this->_parent = $parent;
+		return $this;
+	}
+
+	/**
+	 * Is this a supervisor or a real style component?
+	 *
+	 * @return boolean
+	 */
+	public function getIsSupervisor()
+	{
+		return $this->_isSupervisor;
+	}
+
+	/**
+	 * Get the shared style component for the currently active cell in currently active sheet.
+	 * Only used for style supervisor
+	 *
+	 * @return PHPExcel_Style_Fill
+	 */
+	public function getSharedComponent()
+	{
+		return $this->_parent->getSharedComponent()->getFill();
+	}
+
+	/**
+	 * Get the currently active sheet. Only used for supervisor
+	 *
+	 * @return PHPExcel_Worksheet
+	 */
+	public function getActiveSheet()
+	{
+		return $this->_parent->getActiveSheet();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getSelectedCells()
+	{
+		return $this->getActiveSheet()->getSelectedCells();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getActiveCell()
+	{
+		return $this->getActiveSheet()->getActiveCell();
+	}
+
+	/**
+	 * Build style array from subcomponents
+	 *
+	 * @param array $array
+	 * @return array
+	 */
+	public function getStyleArray($array)
+	{
+		return array('fill' => $array);
+	}
+
+	/**
+	 * Apply styles from array
+	 *
+	 * <code>
+	 * $objPHPExcel->getActiveSheet()->getStyle('B2')->getFill()->applyFromArray(
+	 *		array(
+	 *			'type'	   => PHPExcel_Style_Fill::FILL_GRADIENT_LINEAR,
+	 *			'rotation'   => 0,
+	 *			'startcolor' => array(
+	 *				'rgb' => '000000'
+	 *			),
+	 *			'endcolor'   => array(
+	 *				'argb' => 'FFFFFFFF'
+	 *			)
+	 *		)
+	 * );
+	 * </code>
+	 *
+	 * @param	array	$pStyles	Array containing style information
+	 * @throws	Exception
+	 * @return PHPExcel_Style_Fill
+	 */
+	public function applyFromArray($pStyles = null) {
+		if (is_array($pStyles)) {
+			if ($this->_isSupervisor) {
+				$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($pStyles));
+			} else {
+				if (array_key_exists('type', $pStyles)) {
+					$this->setFillType($pStyles['type']);
+				}
+				if (array_key_exists('rotation', $pStyles)) {
+					$this->setRotation($pStyles['rotation']);
+				}
+				if (array_key_exists('startcolor', $pStyles)) {
+					$this->getStartColor()->applyFromArray($pStyles['startcolor']);
+				}
+				if (array_key_exists('endcolor', $pStyles)) {
+					$this->getEndColor()->applyFromArray($pStyles['endcolor']);
+				}
+				if (array_key_exists('color', $pStyles)) {
+					$this->getStartColor()->applyFromArray($pStyles['color']);
+				}
+			}
+		} else {
+			throw new Exception("Invalid style array passed.");
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Fill Type
+	 *
+	 * @return string
+	 */
+	public function getFillType() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getFillType();
+		}
+		return $this->_fillType;
+	}
+
+	/**
+	 * Set Fill Type
+	 *
+	 * @param string $pValue	PHPExcel_Style_Fill fill type
+	 * @return PHPExcel_Style_Fill
+	 */
+	public function setFillType($pValue = PHPExcel_Style_Fill::FILL_NONE) {
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('type' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_fillType = $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Rotation
+	 *
+	 * @return double
+	 */
+	public function getRotation() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getRotation();
+		}
+		return $this->_rotation;
+	}
+
+	/**
+	 * Set Rotation
+	 *
+	 * @param double $pValue
+	 * @return PHPExcel_Style_Fill
+	 */
+	public function setRotation($pValue = 0) {
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('rotation' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_rotation = $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Start Color
+	 *
+	 * @return PHPExcel_Style_Color
+	 */
+	public function getStartColor() {
+		return $this->_startColor;
+	}
+
+	/**
+	 * Set Start Color
+	 *
+	 * @param	PHPExcel_Style_Color $pValue
+	 * @throws	Exception
+	 * @return PHPExcel_Style_Fill
+	 */
+	public function setStartColor(PHPExcel_Style_Color $pValue = null) {
+		// make sure parameter is a real color and not a supervisor
+		$color = $pValue->getIsSupervisor() ? $pValue->getSharedComponent() : $pValue;
+
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStartColor()->getStyleArray(array('argb' => $color->getARGB()));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_startColor = $color;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get End Color
+	 *
+	 * @return PHPExcel_Style_Color
+	 */
+	public function getEndColor() {
+		return $this->_endColor;
+	}
+
+	/**
+	 * Set End Color
+	 *
+	 * @param	PHPExcel_Style_Color $pValue
+	 * @throws	Exception
+	 * @return PHPExcel_Style_Fill
+	 */
+	public function setEndColor(PHPExcel_Style_Color $pValue = null) {
+		// make sure parameter is a real color and not a supervisor
+		$color = $pValue->getIsSupervisor() ? $pValue->getSharedComponent() : $pValue;
+
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getEndColor()->getStyleArray(array('argb' => $color->getARGB()));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_endColor = $color;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */
+	public function getHashCode() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getHashCode();
+		}
+		return md5(
+			  $this->getFillType()
+			. $this->getRotation()
+			. $this->getStartColor()->getHashCode()
+			. $this->getEndColor()->getHashCode()
+			. __CLASS__
+		);
+	}
+
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone() {
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if ((is_object($value)) && ($key != '_parent')) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+}
diff --git a/admin/survey/excel/PHPExcel/Style/Font.php b/admin/survey/excel/PHPExcel/Style/Font.php
new file mode 100644
index 0000000..848f556
--- /dev/null
+++ b/admin/survey/excel/PHPExcel/Style/Font.php
@@ -0,0 +1,640 @@
+<?php
+/**
+ * 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_Style
+ * @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	1.7.8, 2012-10-12
+ */
+
+
+/**
+ * PHPExcel_Style_Font
+ *
+ * @category   PHPExcel
+ * @package	PHPExcel_Style
+ * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Style_Font implements PHPExcel_IComparable
+{
+	/* Underline types */
+	const UNDERLINE_NONE					= 'none';
+	const UNDERLINE_DOUBLE					= 'double';
+	const UNDERLINE_DOUBLEACCOUNTING		= 'doubleAccounting';
+	const UNDERLINE_SINGLE					= 'single';
+	const UNDERLINE_SINGLEACCOUNTING		= 'singleAccounting';
+
+	/**
+	 * Font Name
+	 *
+	 * @var string
+	 */
+	private $_name			= 'Calibri';
+
+	/**
+	 * Font Size
+	 *
+	 * @var float
+	 */
+	private $_size			= 11;
+
+	/**
+	 * Bold
+	 *
+	 * @var boolean
+	 */
+	private $_bold			= false;
+
+	/**
+	 * Italic
+	 *
+	 * @var boolean
+	 */
+	private $_italic		= false;
+
+	/**
+	 * Superscript
+	 *
+	 * @var boolean
+	 */
+	private $_superScript	= false;
+
+	/**
+	 * Subscript
+	 *
+	 * @var boolean
+	 */
+	private $_subScript		= false;
+
+	/**
+	 * Underline
+	 *
+	 * @var string
+	 */
+	private $_underline		= self::UNDERLINE_NONE;
+
+	/**
+	 * Strikethrough
+	 *
+	 * @var boolean
+	 */
+	private $_strikethrough	= false;
+
+	/**
+	 * Foreground color
+	 *
+	 * @var PHPExcel_Style_Color
+	 */
+	private $_color;
+
+	/**
+	 * Parent Borders
+	 *
+	 * @var _parentPropertyName string
+	 */
+	private $_parentPropertyName;
+
+	/**
+	 * Supervisor?
+	 *
+	 * @var boolean
+	 */
+	private $_isSupervisor;
+
+	/**
+	 * Parent. Only used for supervisor
+	 *
+	 * @var PHPExcel_Style
+	 */
+	private $_parent;
+
+	/**
+	 * Create a new PHPExcel_Style_Font
+	 *
+	 * @param	boolean	$isSupervisor	Flag indicating if this is a supervisor or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+	 * @param	boolean	$isConditional	Flag indicating if this is a conditional style or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+	 */
+	public function __construct($isSupervisor = false, $isConditional = false)
+	{
+		// Supervisor?
+		$this->_isSupervisor = $isSupervisor;
+
+		// Initialise values
+		if ($isConditional) {
+			$this->_name			= NULL;
+			$this->_size			= NULL;
+			$this->_bold			= NULL;
+			$this->_italic			= NULL;
+			$this->_superScript		= NULL;
+			$this->_subScript		= NULL;
+			$this->_underline		= NULL;
+			$this->_strikethrough	= NULL;
+			$this->_color			= new PHPExcel_Style_Color(PHPExcel_Style_Color::COLOR_BLACK, $isSupervisor, $isConditional);
+		} else {
+			$this->_color	= new PHPExcel_Style_Color(PHPExcel_Style_Color::COLOR_BLACK, $isSupervisor);
+		}
+		// bind parent if we are a supervisor
+		if ($isSupervisor) {
+			$this->_color->bindParent($this, '_color');
+		}
+	}
+
+	/**
+	 * Bind parent. Only used for supervisor
+	 *
+	 * @param PHPExcel_Style $parent
+	 * @return PHPExcel_Style_Font
+	 */
+	public function bindParent($parent)
+	{
+		$this->_parent = $parent;
+	}
+
+	/**
+	 * Is this a supervisor or a real style component?
+	 *
+	 * @return boolean
+	 */
+	public function getIsSupervisor()
+	{
+		return $this->_isSupervisor;
+	}
+
+	/**
+	 * Get the shared style component for the currently active cell in currently active sheet.
+	 * Only used for style supervisor
+	 *
+	 * @return PHPExcel_Style_Font
+	 */
+	public function getSharedComponent()
+	{
+		return $this->_parent->getSharedComponent()->getFont();
+	}
+
+	/**
+	 * Get the currently active sheet. Only used for supervisor
+	 *
+	 * @return PHPExcel_Worksheet
+	 */
+	public function getActiveSheet()
+	{
+		return $this->_parent->getActiveSheet();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getSelectedCells()
+	{
+		return $this->getActiveSheet()->getSelectedCells();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getActiveCell()
+	{
+		return $this->getActiveSheet()->getActiveCell();
+	}
+
+	/**
+	 * Build style array from subcomponents
+	 *
+	 * @param array $array
+	 * @return array
+	 */
+	public function getStyleArray($array)
+	{
+		return array('font' => $array);
+	}
+
+	/**
+	 * Apply styles from array
+	 *
+	 * <code>
+	 * $objPHPExcel->getActiveSheet()->getStyle('B2')->getFont()->applyFromArray(
+	 *		array(
+	 *			'name'	  => 'Arial',
+	 *			'bold'	  => true,
+	 *			'italic'	=> false,
+	 *			'underline' => PHPExcel_Style_Font::UNDERLINE_DOUBLE,
+	 *			'strike'	=> false,
+	 *			'color'	 => array(
+	 *				'rgb' => '808080'
+	 *			)
+	 *		)
+	 * );
+	 * </code>
+	 *
+	 * @param	array	$pStyles	Array containing style information
+	 * @throws	Exception
+	 * @return PHPExcel_Style_Font
+	 */
+	public function applyFromArray($pStyles = null) {
+		if (is_array($pStyles)) {
+			if ($this->_isSupervisor) {
+				$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($pStyles));
+			} else {
+				if (array_key_exists('name', $pStyles)) {
+					$this->setName($pStyles['name']);
+				}
+				if (array_key_exists('bold', $pStyles)) {
+					$this->setBold($pStyles['bold']);
+				}
+				if (array_key_exists('italic', $pStyles)) {
+					$this->setItalic($pStyles['italic']);
+				}
+				if (array_key_exists('superScript', $pStyles)) {
+					$this->setSuperScript($pStyles['superScript']);
+				}
+				if (array_key_exists('subScript', $pStyles)) {
+					$this->setSubScript($pStyles['subScript']);
+				}
+				if (array_key_exists('underline', $pStyles)) {
+					$this->setUnderline($pStyles['underline']);
+				}
+				if (array_key_exists('strike', $pStyles)) {
+					$this->setStrikethrough($pStyles['strike']);
+				}
+				if (array_key_exists('color', $pStyles)) {
+					$this->getColor()->applyFromArray($pStyles['color']);
+				}
+				if (array_key_exists('size', $pStyles)) {
+					$this->setSize($pStyles['size']);
+				}
+			}
+		} else {
+			throw new Exception("Invalid style array passed.");
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Name
+	 *
+	 * @return string
+	 */
+	public function getName() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getName();
+		}
+		return $this->_name;
+	}
+
+	/**
+	 * Set Name
+	 *
+	 * @param string $pValue
+	 * @return PHPExcel_Style_Font
+	 */
+	public function setName($pValue = 'Calibri') {
+  		if ($pValue == '') {
+			$pValue = 'Calibri';
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('name' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_name = $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Size
+	 *
+	 * @return double
+	 */
+	public function getSize() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getSize();
+		}
+		return $this->_size;
+	}
+
+	/**
+	 * Set Size
+	 *
+	 * @param double $pValue
+	 * @return PHPExcel_Style_Font
+	 */
+	public function setSize($pValue = 10) {
+		if ($pValue == '') {
+			$pValue = 10;
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('size' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_size = $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Bold
+	 *
+	 * @return boolean
+	 */
+	public function getBold() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getBold();
+		}
+		return $this->_bold;
+	}
+
+	/**
+	 * Set Bold
+	 *
+	 * @param boolean $pValue
+	 * @return PHPExcel_Style_Font
+	 */
+	public function setBold($pValue = false) {
+		if ($pValue == '') {
+			$pValue = false;
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('bold' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_bold = $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Italic
+	 *
+	 * @return boolean
+	 */
+	public function getItalic() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getItalic();
+		}
+		return $this->_italic;
+	}
+
+	/**
+	 * Set Italic
+	 *
+	 * @param boolean $pValue
+	 * @return PHPExcel_Style_Font
+	 */
+	public function setItalic($pValue = false) {
+		if ($pValue == '') {
+			$pValue = false;
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('italic' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_italic = $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get SuperScript
+	 *
+	 * @return boolean
+	 */
+	public function getSuperScript() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getSuperScript();
+		}
+		return $this->_superScript;
+	}
+
+	/**
+	 * Set SuperScript
+	 *
+	 * @param boolean $pValue
+	 * @return PHPExcel_Style_Font
+	 */
+	public function setSuperScript($pValue = false) {
+		if ($pValue == '') {
+			$pValue = false;
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('superScript' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_superScript = $pValue;
+			$this->_subScript = !$pValue;
+		}
+		return $this;
+	}
+
+		/**
+	 * Get SubScript
+	 *
+	 * @return boolean
+	 */
+	public function getSubScript() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getSubScript();
+		}
+		return $this->_subScript;
+	}
+
+	/**
+	 * Set SubScript
+	 *
+	 * @param boolean $pValue
+	 * @return PHPExcel_Style_Font
+	 */
+	public function setSubScript($pValue = false) {
+		if ($pValue == '') {
+			$pValue = false;
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('subScript' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_subScript = $pValue;
+			$this->_superScript = !$pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Underline
+	 *
+	 * @return string
+	 */
+	public function getUnderline() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getUnderline();
+		}
+		return $this->_underline;
+	}
+
+	/**
+	 * Set Underline
+	 *
+	 * @param string|boolean $pValue	PHPExcel_Style_Font underline type
+	 *									If a boolean is passed, then true equates to UNDERLINE_SINGLE,
+	 *										false equates to UNDERLINE_NONE
+	 * @return PHPExcel_Style_Font
+	 */
+	public function setUnderline($pValue = self::UNDERLINE_NONE) {
+		if (is_bool($pValue)) {
+			$pValue = ($pValue) ? self::UNDERLINE_SINGLE : self::UNDERLINE_NONE;
+		} elseif ($pValue == '') {
+			$pValue = self::UNDERLINE_NONE;
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('underline' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_underline = $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Striketrough
+	 *
+	 * @deprecated Use getStrikethrough() instead.
+	 * @return boolean
+	 */
+	public function getStriketrough() {
+		return $this->getStrikethrough();
+	}
+
+	/**
+	 * Set Striketrough
+	 *
+	 * @deprecated Use setStrikethrough() instead.
+	 * @param boolean $pValue
+	 * @return PHPExcel_Style_Font
+	 */
+	public function setStriketrough($pValue = false) {
+		return $this->setStrikethrough($pValue);
+	}
+
+	/**
+	 * Get Strikethrough
+	 *
+	 * @return boolean
+	 */
+	public function getStrikethrough() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getStrikethrough();
+		}
+		return $this->_strikethrough;
+	}
+
+	/**
+	 * Set Strikethrough
+	 *
+	 * @param boolean $pValue
+	 * @return PHPExcel_Style_Font
+	 */
+	public function setStrikethrough($pValue = false) {
+		if ($pValue == '') {
+			$pValue = false;
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('strike' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_strikethrough = $pValue;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Color
+	 *
+	 * @return PHPExcel_Style_Color
+	 */
+	public function getColor() {
+		return $this->_color;
+	}
+
+	/**
+	 * Set Color
+	 *
+	 * @param	PHPExcel_Style_Color $pValue
+	 * @throws	Exception
+	 * @return PHPExcel_Style_Font
+	 */
+	public function setColor(PHPExcel_Style_Color $pValue = null) {
+		// make sure parameter is a real color and not a supervisor
+		$color = $pValue->getIsSupervisor() ? $pValue->getSharedComponent() : $pValue;
+
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getColor()->getStyleArray(array('argb' => $color->getARGB()));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_color = $color;
+		}
+		return $this;
+	}
+
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */
+	public function getHashCode() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getHashCode();
+		}
+		return md5(
+			  $this->_name
+			. $this->_size
+			. ($this->_bold ? 't' : 'f')
+			. ($this->_italic ? 't' : 'f')
+			. ($this->_superScript ? 't' : 'f')
+			. ($this->_subScript ? 't' : 'f')
+			. $this->_underline
+			. ($this->_strikethrough ? 't' : 'f')
+			. $this->_color->getHashCode()
+			. __CLASS__
+		);
+	}
+
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone() {
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if ((is_object($value)) && ($key != '_parent')) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+}
diff --git a/admin/survey/excel/PHPExcel/Style/NumberFormat.php b/admin/survey/excel/PHPExcel/Style/NumberFormat.php
new file mode 100644
index 0000000..509c041
--- /dev/null
+++ b/admin/survey/excel/PHPExcel/Style/NumberFormat.php
@@ -0,0 +1,741 @@
+<?php
+/**
+ * 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_Style
+ * @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	1.7.8, 2012-10-12
+ */
+
+
+/**
+ * PHPExcel_Style_NumberFormat
+ *
+ * @category   PHPExcel
+ * @package	PHPExcel_Style
+ * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Style_NumberFormat implements PHPExcel_IComparable
+{
+	/* Pre-defined formats */
+	const FORMAT_GENERAL					= 'General';
+
+	const FORMAT_TEXT						= '@';
+
+	const FORMAT_NUMBER						= '0';
+	const FORMAT_NUMBER_00					= '0.00';
+	const FORMAT_NUMBER_COMMA_SEPARATED1	= '#,##0.00';
+	const FORMAT_NUMBER_COMMA_SEPARATED2	= '#,##0.00_-';
+
+	const FORMAT_PERCENTAGE					= '0%';
+	const FORMAT_PERCENTAGE_00				= '0.00%';
+
+	const FORMAT_DATE_YYYYMMDD2				= 'yyyy-mm-dd';
+	const FORMAT_DATE_YYYYMMDD				= 'yy-mm-dd';
+	const FORMAT_DATE_DDMMYYYY				= 'dd/mm/yy';
+	const FORMAT_DATE_DMYSLASH				= 'd/m/y';
+	const FORMAT_DATE_DMYMINUS				= 'd-m-y';
+	const FORMAT_DATE_DMMINUS				= 'd-m';
+	const FORMAT_DATE_MYMINUS				= 'm-y';
+	const FORMAT_DATE_XLSX14				= 'mm-dd-yy';
+	const FORMAT_DATE_XLSX15				= 'd-mmm-yy';
+	const FORMAT_DATE_XLSX16				= 'd-mmm';
+	const FORMAT_DATE_XLSX17				= 'mmm-yy';
+	const FORMAT_DATE_XLSX22				= 'm/d/yy h:mm';
+	const FORMAT_DATE_DATETIME				= 'd/m/y h:mm';
+	const FORMAT_DATE_TIME1					= 'h:mm AM/PM';
+	const FORMAT_DATE_TIME2					= 'h:mm:ss AM/PM';
+	const FORMAT_DATE_TIME3					= 'h:mm';
+	const FORMAT_DATE_TIME4					= 'h:mm:ss';
+	const FORMAT_DATE_TIME5					= 'mm:ss';
+	const FORMAT_DATE_TIME6					= 'h:mm:ss';
+	const FORMAT_DATE_TIME7					= 'i:s.S';
+	const FORMAT_DATE_TIME8					= 'h:mm:ss;@';
+	const FORMAT_DATE_YYYYMMDDSLASH			= 'yy/mm/dd;@';
+
+	const FORMAT_CURRENCY_USD_SIMPLE		= '"$"#,##0.00_-';
+	const FORMAT_CURRENCY_USD				= '$#,##0_-';
+	const FORMAT_CURRENCY_EUR_SIMPLE		= '[$EUR ]#,##0.00_-';
+
+	/**
+	 * Excel built-in number formats
+	 *
+	 * @var array
+	 */
+	private static $_builtInFormats;
+
+	/**
+	 * Excel built-in number formats (flipped, for faster lookups)
+	 *
+	 * @var array
+	 */
+	private static $_flippedBuiltInFormats;
+
+	/**
+	 * Format Code
+	 *
+	 * @var string
+	 */
+	private $_formatCode	=	PHPExcel_Style_NumberFormat::FORMAT_GENERAL;
+
+	/**
+	 * Built-in format Code
+	 *
+	 * @var string
+	 */
+	private $_builtInFormatCode	= 0;
+
+	/**
+	 * Parent Borders
+	 *
+	 * @var _parentPropertyName string
+	 */
+	private $_parentPropertyName;
+
+	/**
+	 * Supervisor?
+	 *
+	 * @var boolean
+	 */
+	private $_isSupervisor;
+
+	/**
+	 * Parent. Only used for supervisor
+	 *
+	 * @var PHPExcel_Style
+	 */
+	private $_parent;
+
+	/**
+	 * Create a new PHPExcel_Style_NumberFormat
+	 *
+	 * @param	boolean	$isSupervisor	Flag indicating if this is a supervisor or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+	 * @param	boolean	$isConditional	Flag indicating if this is a conditional style or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+	 */
+	public function __construct($isSupervisor = false, $isConditional = false)
+	{
+		// Supervisor?
+		$this->_isSupervisor = $isSupervisor;
+
+		if ($isConditional) {
+			$this->_formatCode = NULL;
+		}
+	}
+
+	/**
+	 * Bind parent. Only used for supervisor
+	 *
+	 * @param PHPExcel_Style $parent
+	 * @return PHPExcel_Style_NumberFormat
+	 */
+	public function bindParent($parent)
+	{
+		$this->_parent = $parent;
+	}
+
+	/**
+	 * Is this a supervisor or a real style component?
+	 *
+	 * @return boolean
+	 */
+	public function getIsSupervisor()
+	{
+		return $this->_isSupervisor;
+	}
+
+	/**
+	 * Get the shared style component for the currently active cell in currently active sheet.
+	 * Only used for style supervisor
+	 *
+	 * @return PHPExcel_Style_NumberFormat
+	 */
+	public function getSharedComponent()
+	{
+		return $this->_parent->getSharedComponent()->getNumberFormat();
+	}
+
+	/**
+	 * Get the currently active sheet. Only used for supervisor
+	 *
+	 * @return PHPExcel_Worksheet
+	 */
+	public function getActiveSheet()
+	{
+		return $this->_parent->getActiveSheet();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getSelectedCells()
+	{
+		return $this->getActiveSheet()->getSelectedCells();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getActiveCell()
+	{
+		return $this->getActiveSheet()->getActiveCell();
+	}
+
+	/**
+	 * Build style array from subcomponents
+	 *
+	 * @param array $array
+	 * @return array
+	 */
+	public function getStyleArray($array)
+	{
+		return array('numberformat' => $array);
+	}
+
+	/**
+	 * Apply styles from array
+	 *
+	 * <code>
+	 * $objPHPExcel->getActiveSheet()->getStyle('B2')->getNumberFormat()->applyFromArray(
+	 *		array(
+	 *			'code' => PHPExcel_Style_NumberFormat::FORMAT_CURRENCY_EUR_SIMPLE
+	 *		)
+	 * );
+	 * </code>
+	 *
+	 * @param	array	$pStyles	Array containing style information
+	 * @throws	Exception
+	 * @return PHPExcel_Style_NumberFormat
+	 */
+	public function applyFromArray($pStyles = null)
+	{
+		if (is_array($pStyles)) {
+			if ($this->_isSupervisor) {
+				$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($pStyles));
+			} else {
+				if (array_key_exists('code', $pStyles)) {
+					$this->setFormatCode($pStyles['code']);
+				}
+			}
+		} else {
+			throw new Exception("Invalid style array passed.");
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Format Code
+	 *
+	 * @return string
+	 */
+	public function getFormatCode()
+	{
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getFormatCode();
+		}
+		if ($this->_builtInFormatCode !== false)
+		{
+			return self::builtInFormatCode($this->_builtInFormatCode);
+		}
+		return $this->_formatCode;
+	}
+
+	/**
+	 * Set Format Code
+	 *
+	 * @param string $pValue
+	 * @return PHPExcel_Style_NumberFormat
+	 */
+	public function setFormatCode($pValue = PHPExcel_Style_NumberFormat::FORMAT_GENERAL)
+	{
+		if ($pValue == '') {
+			$pValue = PHPExcel_Style_NumberFormat::FORMAT_GENERAL;
+		}
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('code' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_formatCode = $pValue;
+			$this->_builtInFormatCode = self::builtInFormatCodeIndex($pValue);
+		}
+		return $this;
+	}
+
+	/**
+	 * Get Built-In Format Code
+	 *
+	 * @return int
+	 */
+	public function getBuiltInFormatCode()
+	{
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getBuiltInFormatCode();
+		}
+		return $this->_builtInFormatCode;
+	}
+
+	/**
+	 * Set Built-In Format Code
+	 *
+	 * @param int $pValue
+	 * @return PHPExcel_Style_NumberFormat
+	 */
+	public function setBuiltInFormatCode($pValue = 0)
+	{
+
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('code' => self::builtInFormatCode($pValue)));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_builtInFormatCode = $pValue;
+			$this->_formatCode = self::builtInFormatCode($pValue);
+		}
+		return $this;
+	}
+
+	/**
+	 * Fill built-in format codes
+	 */
+	private static function fillBuiltInFormatCodes()
+	{
+		// Built-in format codes
+		if (is_null(self::$_builtInFormats)) {
+			self::$_builtInFormats = array();
+
+			// General
+			self::$_builtInFormats[0] = PHPExcel_Style_NumberFormat::FORMAT_GENERAL;
+			self::$_builtInFormats[1] = '0';
+			self::$_builtInFormats[2] = '0.00';
+			self::$_builtInFormats[3] = '#,##0';
+			self::$_builtInFormats[4] = '#,##0.00';
+
+			self::$_builtInFormats[9] = '0%';
+			self::$_builtInFormats[10] = '0.00%';
+			self::$_builtInFormats[11] = '0.00E+00';
+			self::$_builtInFormats[12] = '# ?/?';
+			self::$_builtInFormats[13] = '# ??/??';
+			self::$_builtInFormats[14] = 'mm-dd-yy';
+			self::$_builtInFormats[15] = 'd-mmm-yy';
+			self::$_builtInFormats[16] = 'd-mmm';
+			self::$_builtInFormats[17] = 'mmm-yy';
+			self::$_builtInFormats[18] = 'h:mm AM/PM';
+			self::$_builtInFormats[19] = 'h:mm:ss AM/PM';
+			self::$_builtInFormats[20] = 'h:mm';
+			self::$_builtInFormats[21] = 'h:mm:ss';
+			self::$_builtInFormats[22] = 'm/d/yy h:mm';
+
+			self::$_builtInFormats[37] = '#,##0 ;(#,##0)';
+			self::$_builtInFormats[38] = '#,##0 ;[Red](#,##0)';
+			self::$_builtInFormats[39] = '#,##0.00;(#,##0.00)';
+			self::$_builtInFormats[40] = '#,##0.00;[Red](#,##0.00)';
+
+			self::$_builtInFormats[44] = '_("$"* #,##0.00_);_("$"* \(#,##0.00\);_("$"* "-"??_);_(@_)';
+			self::$_builtInFormats[45] = 'mm:ss';
+			self::$_builtInFormats[46] = '[h]:mm:ss';
+			self::$_builtInFormats[47] = 'mmss.0';
+			self::$_builtInFormats[48] = '##0.0E+0';
+			self::$_builtInFormats[49] = '@';
+
+			// CHT
+			self::$_builtInFormats[27] = '[$-404]e/m/d';
+			self::$_builtInFormats[30] = 'm/d/yy';
+			self::$_builtInFormats[36] = '[$-404]e/m/d';
+			self::$_builtInFormats[50] = '[$-404]e/m/d';
+			self::$_builtInFormats[57] = '[$-404]e/m/d';
+
+			// THA
+			self::$_builtInFormats[59] = 't0';
+			self::$_builtInFormats[60] = 't0.00';
+			self::$_builtInFormats[61] = 't#,##0';
+			self::$_builtInFormats[62] = 't#,##0.00';
+			self::$_builtInFormats[67] = 't0%';
+			self::$_builtInFormats[68] = 't0.00%';
+			self::$_builtInFormats[69] = 't# ?/?';
+			self::$_builtInFormats[70] = 't# ??/??';
+
+			// Flip array (for faster lookups)
+			self::$_flippedBuiltInFormats = array_flip(self::$_builtInFormats);
+		}
+	}
+
+	/**
+	 * Get built-in format code
+	 *
+	 * @param	int		$pIndex
+	 * @return	string
+	 */
+	public static function builtInFormatCode($pIndex)
+	{
+		// Clean parameter
+		$pIndex = intval($pIndex);
+
+		// Ensure built-in format codes are available
+		self::fillBuiltInFormatCodes();
+
+		// Lookup format code
+		if (isset(self::$_builtInFormats[$pIndex])) {
+			return self::$_builtInFormats[$pIndex];
+		}
+
+		return '';
+	}
+
+	/**
+	 * Get built-in format code index
+	 *
+	 * @param	string		$formatCode
+	 * @return	int|boolean
+	 */
+	public static function builtInFormatCodeIndex($formatCode)
+	{
+		// Ensure built-in format codes are available
+		self::fillBuiltInFormatCodes();
+
+		// Lookup format code
+		if (isset(self::$_flippedBuiltInFormats[$formatCode])) {
+			return self::$_flippedBuiltInFormats[$formatCode];
+		}
+
+		return false;
+	}
+
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */
+	public function getHashCode()
+	{
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getHashCode();
+		}
+		return md5(
+			  $this->_formatCode
+			. $this->_builtInFormatCode
+			. __CLASS__
+		);
+	}
+
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone()
+	{
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if ((is_object($value)) && ($key != '_parent')) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+
+	/**
+	 * Search/replace values to convert Excel date/time format masks to PHP format masks
+	 *
+	 * @var array
+	 */
+	private static $_dateFormatReplacements = array(
+			// first remove escapes related to non-format characters
+			'\\'	=> '',
+			//	12-hour suffix
+			'am/pm'	=> 'A',
+			//	4-digit year
+			'e'	=> 'Y',
+			'yyyy'	=> 'Y',
+			//	2-digit year
+			'yy'	=> 'y',
+			//	first letter of month - no php equivalent
+			'mmmmm'	=> 'M',
+			//	full month name
+			'mmmm'	=> 'F',
+			//	short month name
+			'mmm'	=> 'M',
+			//	mm is minutes if time or month w/leading zero
+			':mm'	=> ':i',
+			//	month leading zero
+			'mm'	=> 'm',
+			//	month no leading zero
+			'm'		=> 'n',
+			//	full day of week name
+			'dddd'	=> 'l',
+			//	short day of week name
+			'ddd'	=> 'D',
+			//	days leading zero
+			'dd'	=> 'd',
+			//	days no leading zero
+			'd'		=> 'j',
+			//	seconds
+			'ss'	=> 's',
+			//	fractional seconds - no php equivalent
+			'.s'	=> ''
+		);
+	/**
+	 * Search/replace values to convert Excel date/time format masks hours to PHP format masks (24 hr clock)
+	 *
+	 * @var array
+	 */
+	private static $_dateFormatReplacements24 = array(
+			'hh'	=> 'H',
+			'h'		=> 'G'
+		);
+	/**
+	 * Search/replace values to convert Excel date/time format masks hours to PHP format masks (12 hr clock)
+	 *
+	 * @var array
+	 */
+	private static $_dateFormatReplacements12 = array(
+			'hh'	=> 'h',
+			'h'		=> 'g'
+		);
+
+	/**
+	 * Convert a value in a pre-defined format to a PHP string
+	 *
+	 * @param mixed	$value		Value to format
+	 * @param string	$format		Format code
+	 * @param array		$callBack	Callback function for additional formatting of string
+	 * @return string	Formatted string
+	 */
+	public static function toFormattedString($value = '', $format = '', $callBack = null)
+	{
+		// For now we do not treat strings although section 4 of a format code affects strings
+		if (!is_numeric($value)) return $value;
+
+		// For 'General' format code, we just pass the value although this is not entirely the way Excel does it,
+		// it seems to round numbers to a total of 10 digits.
+		if (($format === PHPExcel_Style_NumberFormat::FORMAT_GENERAL) || ($format === PHPExcel_Style_NumberFormat::FORMAT_TEXT)) {
+			return $value;
+		}
+
+		// Get the sections, there can be up to four sections
+		$sections = explode(';', $format);
+
+		// Fetch the relevant section depending on whether number is positive, negative, or zero?
+		// Text not supported yet.
+		// Here is how the sections apply to various values in Excel:
+		//   1 section:   [POSITIVE/NEGATIVE/ZERO/TEXT]
+		//   2 sections:  [POSITIVE/ZERO/TEXT] [NEGATIVE]
+		//   3 sections:  [POSITIVE/TEXT] [NEGATIVE] [ZERO]
+		//   4 sections:  [POSITIVE] [NEGATIVE] [ZERO] [TEXT]
+		switch (count($sections)) {
+			case 1:
+				$format = $sections[0];
+				break;
+
+			case 2:
+				$format = ($value >= 0) ? $sections[0] : $sections[1];
+				$value = abs($value); // Use the absolute value
+				break;
+
+			case 3:
+				$format = ($value > 0) ?
+					$sections[0] : ( ($value < 0) ?
+						$sections[1] : $sections[2]);
+				$value = abs($value); // Use the absolute value
+				break;
+
+			case 4:
+				$format = ($value > 0) ?
+					$sections[0] : ( ($value < 0) ?
+						$sections[1] : $sections[2]);
+				$value = abs($value); // Use the absolute value
+				break;
+
+			default:
+				// something is wrong, just use first section
+				$format = $sections[0];
+				break;
+		}
+
+		// Save format with color information for later use below
+		$formatColor = $format;
+
+		// Strip color information
+		$color_regex = '/^\\[[a-zA-Z]+\\]/';
+		$format = preg_replace($color_regex, '', $format);
+
+		// Let's begin inspecting the format and converting the value to a formatted string
+		if (preg_match('/^(\[\$[A-Z]*-[0-9A-F]*\])*[hmsdy]/i', $format)) { // datetime format
+			// dvc: convert Excel formats to PHP date formats
+
+			// strip off first part containing e.g. [$-F800] or [$USD-409]
+			// general syntax: [$<Currency string>-<language info>]
+			// language info is in hexadecimal
+			$format = preg_replace('/^(\[\$[A-Z]*-[0-9A-F]*\])/i', '', $format);
+
+			// OpenOffice.org uses upper-case number formats, e.g. 'YYYY', convert to lower-case
+			$format = strtolower($format);
+
+			$format = strtr($format,self::$_dateFormatReplacements);
+			if (!strpos($format,'A')) {	// 24-hour time format
+				$format = strtr($format,self::$_dateFormatReplacements24);
+			} else {					// 12-hour time format
+				$format = strtr($format,self::$_dateFormatReplacements12);
+			}
+
+			$dateObj = PHPExcel_Shared_Date::ExcelToPHPObject($value);
+			$value = $dateObj->format($format);
+
+		} else if (preg_match('/%$/', $format)) { // % number format
+			if ($format === self::FORMAT_PERCENTAGE) {
+				$value = round( (100 * $value), 0) . '%';
+			} else {
+				if (preg_match('/\.[#0]+/i', $format, $m)) {
+					$s = substr($m[0], 0, 1) . (strlen($m[0]) - 1);
+					$format = str_replace($m[0], $s, $format);
+				}
+				if (preg_match('/^[#0]+/', $format, $m)) {
+					$format = str_replace($m[0], strlen($m[0]), $format);
+				}
+				$format = '%' . str_replace('%', 'f%%', $format);
+
+				$value = sprintf($format, 100 * $value);
+			}
+
+		} else {
+			if ($format === self::FORMAT_CURRENCY_EUR_SIMPLE) {
+				$value = 'EUR ' . sprintf('%1.2f', $value);
+
+			} else {
+				// In Excel formats, "_" is used to add spacing, which we can't do in HTML
+				$format = preg_replace('/_./', '', $format);
+
+				// Some non-number characters are escaped with \, which we don't need
+				$format = preg_replace("/\\\\/", '', $format);
+
+				// Some non-number strings are quoted, so we'll get rid of the quotes, likewise any positional * symbols
+				$format = str_replace(array('"','*'), '', $format);
+
+				// Find out if we need thousands separator
+				// This is indicated by a comma enclosed by a digit placeholder:
+				//		#,#   or   0,0
+				$useThousands = preg_match('/(#,#|0,0)/', $format);
+				if ($useThousands) {
+					$format = preg_replace('/0,0/', '00', $format);
+					$format = preg_replace('/#,#/', '##', $format);
+				}
+
+				// Scale thousands, millions,...
+				// This is indicated by a number of commas after a digit placeholder:
+				//		#,   or	0.0,,
+				$scale = 1; // same as no scale
+				$matches = array();
+				if (preg_match('/(#|0)(,+)/', $format, $matches)) {
+					$scale = pow(1000, strlen($matches[2]));
+
+					// strip the commas
+					$format = preg_replace('/0,+/', '0', $format);
+					$format = preg_replace('/#,+/', '#', $format);
+				}
+
+				if (preg_match('/#?.*\?\/\?/', $format, $m)) {
+					//echo 'Format mask is fractional '.$format.' <br />';
+					if ($value != (int)$value) {
+						$sign = ($value < 0) ? '-' : '';
+
+						$integerPart = floor(abs($value));
+						$decimalPart = trim(fmod(abs($value),1),'0.');
+						$decimalLength = strlen($decimalPart);
+						$decimalDivisor = pow(10,$decimalLength);
+
+						$GCD = PHPExcel_Calculation_MathTrig::GCD($decimalPart,$decimalDivisor);
+
+						$adjustedDecimalPart = $decimalPart/$GCD;
+						$adjustedDecimalDivisor = $decimalDivisor/$GCD;
+
+						if ((strpos($format,'0') !== false) || (strpos($format,'#') !== false) || (substr($format,0,3) == '? ?')) {
+							if ($integerPart == 0) { $integerPart = ''; }
+							$value = "$sign$integerPart $adjustedDecimalPart/$adjustedDecimalDivisor";
+						} else {
+							$adjustedDecimalPart += $integerPart * $adjustedDecimalDivisor;
+							$value = "$sign$adjustedDecimalPart/$adjustedDecimalDivisor";
+						}
+					}
+
+				} else {
+					// Handle the number itself
+
+					// scale number
+					$value = $value / $scale;
+
+					// Strip #
+					$format = preg_replace('/\\#/', '', $format);
+
+					$n = "/\[[^\]]+\]/";
+					$m = preg_replace($n, '', $format);
+					$number_regex = "/(0+)(\.?)(0*)/";
+					if (preg_match($number_regex, $m, $matches)) {
+						$left = $matches[1];
+						$dec = $matches[2];
+						$right = $matches[3];
+
+						// minimun width of formatted number (including dot)
+						$minWidth = strlen($left) + strlen($dec) + strlen($right);
+
+						if ($useThousands) {
+							$value = number_format(
+										$value
+										, strlen($right)
+										, PHPExcel_Shared_String::getDecimalSeparator()
+										, PHPExcel_Shared_String::getThousandsSeparator()
+									);
+						} else {
+							$sprintf_pattern = "%0$minWidth." . strlen($right) . "f";
+							$value = sprintf($sprintf_pattern, $value);
+						}
+
+						$value = preg_replace($number_regex, $value, $format);
+					}
+				}
+				if (preg_match('/\[\$(.*)\]/u', $format, $m)) {
+					//	Currency or Accounting
+					$currencyFormat = $m[0];
+					$currencyCode = $m[1];
+					list($currencyCode) = explode('-',$currencyCode);
+					if ($currencyCode == '') {
+						$currencyCode = PHPExcel_Shared_String::getCurrencyCode();
+					}
+					$value = preg_replace('/\[\$([^\]]*)\]/u',$currencyCode,$value);
+				}
+			}
+		}
+
+		// Additional formatting provided by callback function
+		if ($callBack !== null) {
+			list($writerInstance, $function) = $callBack;
+			$value = $writerInstance->$function($value, $formatColor);
+		}
+
+		return $value;
+	}
+
+}
diff --git a/admin/survey/excel/PHPExcel/Style/Protection.php b/admin/survey/excel/PHPExcel/Style/Protection.php
new file mode 100644
index 0000000..3ccb3c5
--- /dev/null
+++ b/admin/survey/excel/PHPExcel/Style/Protection.php
@@ -0,0 +1,290 @@
+<?php
+/**
+ * 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_Style
+ * @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    1.4.5, 2007-08-23
+ */
+
+
+/**
+ * PHPExcel_Style_Protection
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel_Style
+ * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Style_Protection implements PHPExcel_IComparable
+{
+	/** Protection styles */
+	const PROTECTION_INHERIT		= 'inherit';
+	const PROTECTION_PROTECTED		= 'protected';
+	const PROTECTION_UNPROTECTED	= 'unprotected';
+
+	/**
+	 * Locked
+	 *
+	 * @var string
+	 */
+	private $_locked;
+
+	/**
+	 * Hidden
+	 *
+	 * @var string
+	 */
+	private $_hidden;
+
+	/**
+	 * Parent Borders
+	 *
+	 * @var _parentPropertyName string
+	 */
+	private $_parentPropertyName;
+
+	/**
+	 * Supervisor?
+	 *
+	 * @var boolean
+	 */
+	private $_isSupervisor;
+
+	/**
+	 * Parent. Only used for supervisor
+	 *
+	 * @var PHPExcel_Style
+	 */
+	private $_parent;
+
+    /**
+     * Create a new PHPExcel_Style_Protection
+	 *
+	 * @param	boolean	$isSupervisor	Flag indicating if this is a supervisor or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+	 * @param	boolean	$isConditional	Flag indicating if this is a conditional style or not
+	 *									Leave this value at default unless you understand exactly what
+	 *										its ramifications are
+     */
+    public function __construct($isSupervisor = false, $isConditional = false)
+    {
+    	// Supervisor?
+		$this->_isSupervisor = $isSupervisor;
+
+    	// Initialise values
+		if (!$isConditional) {
+	    	$this->_locked			= self::PROTECTION_INHERIT;
+	    	$this->_hidden			= self::PROTECTION_INHERIT;
+		}
+    }
+
+	/**
+	 * Bind parent. Only used for supervisor
+	 *
+	 * @param PHPExcel_Style $parent
+	 * @return PHPExcel_Style_Protection
+	 */
+	public function bindParent($parent)
+	{
+		$this->_parent = $parent;
+		return $this;
+	}
+
+	/**
+	 * Is this a supervisor or a real style component?
+	 *
+	 * @return boolean
+	 */
+	public function getIsSupervisor()
+	{
+		return $this->_isSupervisor;
+	}
+
+	/**
+	 * Get the shared style component for the currently active cell in currently active sheet.
+	 * Only used for style supervisor
+	 *
+	 * @return PHPExcel_Style_Protection
+	 */
+	public function getSharedComponent()
+	{
+		return $this->_parent->getSharedComponent()->getProtection();
+	}
+
+	/**
+	 * Get the currently active sheet. Only used for supervisor
+	 *
+	 * @return PHPExcel_Worksheet
+	 */
+	public function getActiveSheet()
+	{
+		return $this->_parent->getActiveSheet();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getSelectedCells()
+	{
+		return $this->getActiveSheet()->getSelectedCells();
+	}
+
+	/**
+	 * Get the currently active cell coordinate in currently active sheet.
+	 * Only used for supervisor
+	 *
+	 * @return string E.g. 'A1'
+	 */
+	public function getActiveCell()
+	{
+		return $this->getActiveSheet()->getActiveCell();
+	}
+
+	/**
+	 * Build style array from subcomponents
+	 *
+	 * @param array $array
+	 * @return array
+	 */
+	public function getStyleArray($array)
+	{
+		return array('protection' => $array);
+	}
+
+    /**
+     * Apply styles from array
+     *
+     * <code>
+     * $objPHPExcel->getActiveSheet()->getStyle('B2')->getLocked()->applyFromArray( array('locked' => true, 'hidden' => false) );
+     * </code>
+     *
+     * @param	array	$pStyles	Array containing style information
+     * @throws	Exception
+     * @return PHPExcel_Style_Protection
+     */
+	public function applyFromArray($pStyles = null) {
+		if (is_array($pStyles)) {
+			if ($this->_isSupervisor) {
+				$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($pStyles));
+			} else {
+				if (array_key_exists('locked', $pStyles)) {
+					$this->setLocked($pStyles['locked']);
+				}
+				if (array_key_exists('hidden', $pStyles)) {
+					$this->setHidden($pStyles['hidden']);
+				}
+			}
+		} else {
+			throw new Exception("Invalid style array passed.");
+		}
+		return $this;
+	}
+
+    /**
+     * Get locked
+     *
+     * @return string
+     */
+    public function getLocked() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getLocked();
+		}
+    	return $this->_locked;
+    }
+
+    /**
+     * Set locked
+     *
+     * @param string $pValue
+     * @return PHPExcel_Style_Protection
+     */
+    public function setLocked($pValue = self::PROTECTION_INHERIT) {
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('locked' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_locked = $pValue;
+		}
+		return $this;
+    }
+
+    /**
+     * Get hidden
+     *
+     * @return string
+     */
+    public function getHidden() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getHidden();
+		}
+    	return $this->_hidden;
+    }
+
+    /**
+     * Set hidden
+     *
+     * @param string $pValue
+     * @return PHPExcel_Style_Protection
+     */
+    public function setHidden($pValue = self::PROTECTION_INHERIT) {
+		if ($this->_isSupervisor) {
+			$styleArray = $this->getStyleArray(array('hidden' => $pValue));
+			$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
+		} else {
+			$this->_hidden = $pValue;
+		}
+		return $this;
+    }
+
+	/**
+	 * Get hash code
+	 *
+	 * @return string	Hash code
+	 */
+	public function getHashCode() {
+		if ($this->_isSupervisor) {
+			return $this->getSharedComponent()->getHashCode();
+		}
+    	return md5(
+    		  $this->_locked
+    		. $this->_hidden
+    		. __CLASS__
+    	);
+    }
+
+	/**
+	 * Implement PHP __clone to create a deep clone, not just a shallow copy.
+	 */
+	public function __clone() {
+		$vars = get_object_vars($this);
+		foreach ($vars as $key => $value) {
+			if ((is_object($value)) && ($key != '_parent')) {
+				$this->$key = clone $value;
+			} else {
+				$this->$key = $value;
+			}
+		}
+	}
+}
author	Anton Luka Šijanec <anton@sijanec.eu>	2022-01-11 12:35:47 +0100
committer	Anton Luka Šijanec <anton@sijanec.eu>	2022-01-11 12:35:47 +0100
commit	19985dbb8c0aa66dc4bf7905abc1148de909097d (patch)
tree	2cd5a5d20d7e80fc2a51adf60d838d8a2c40999e /admin/survey/excel/PHPExcel/Style
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