<?php

/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2014 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package	PHPExcel_Style
 * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license	http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
 * @version	1.8.0, 2014-03-02
 */

/**
 * PHPExcel_Style_Border
 *
 * @category   PHPExcel
 * @package	PHPExcel_Style
 * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Style_Border extends PHPExcel_Style_Supervisor 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
     */
    protected $_borderStyle = PHPExcel_Style_Border::BORDER_NONE;

    /**
     * Border color
     *
     * @var PHPExcel_Style_Color
     */
    protected $_color;

    /**
     * Parent property name
     *
     * @var string
     */
    protected $_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, $isConditional = FALSE) {
        // Supervisor?
        parent::__construct($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 = NULL) {
        $this->_parent = $parent;
        $this->_parentPropertyName = $parentPropertyName;
        return $this;
    }

    /**
     * Get the shared style component for the currently active cell in currently active sheet.
     * Only used for style supervisor
     *
     * @return PHPExcel_Style_Border
     * @throws PHPExcel_Exception
     */
    public function getSharedComponent() {
        switch ($this->_parentPropertyName) {
            case '_allBorders':
            case '_horizontal':
            case '_inside':
            case '_outline':
            case '_vertical':
                throw new PHPExcel_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;
        }
    }

    /**
     * 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	$pStyles	Array containing style information
     * @throws	PHPExcel_Exception
     * @return PHPExcel_Style_Border
     */
    public function applyFromArray($pStyles = null) {
        if (is_array($pStyles)) {
            if ($this->_isSupervisor) {
                $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($this->getStyleArray($pStyles));
            } else {
                if (isset($pStyles['style'])) {
                    $this->setBorderStyle($pStyles['style']);
                }
                if (isset($pStyles['color'])) {
                    $this->getColor()->applyFromArray($pStyles['color']);
                }
            }
        } else {
            throw new PHPExcel_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|boolean	$pValue
     * 							When passing a boolean, FALSE equates PHPExcel_Style_Border::BORDER_NONE
     * 								and TRUE to PHPExcel_Style_Border::BORDER_MEDIUM
     * @return PHPExcel_Style_Border
     */
    public function setBorderStyle($pValue = PHPExcel_Style_Border::BORDER_NONE) {

        if (empty($pValue)) {
            $pValue = PHPExcel_Style_Border::BORDER_NONE;
        } elseif (is_bool($pValue) && $pValue) {
            $pValue = PHPExcel_Style_Border::BORDER_MEDIUM;
        }
        if ($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	PHPExcel_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__
        );
    }

}
