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File name : SugarTheme.php
Content :
<?php
if (!defined('sugarEntry') || !sugarEntry) {
    die('Not A Valid Entry Point');
}
/**
 *
 * SugarCRM Community Edition is a customer relationship management program developed by
 * SugarCRM, Inc. Copyright (C) 2004-2013 SugarCRM Inc.
 *
 * SuiteCRM is an extension to SugarCRM Community Edition developed by SalesAgility Ltd.
 * Copyright (C) 2011 - 2018 SalesAgility Ltd.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program 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 Affero General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Affero General Public License along with
 * this program; if not, see http://www.gnu.org/licenses or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 *
 * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
 * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * SugarCRM" logo and "Supercharged by SuiteCRM" logo. If the display of the logos is not
 * reasonably feasible for technical reasons, the Appropriate Legal Notices must
 * display the words "Powered by SugarCRM" and "Supercharged by SuiteCRM".
 */


/**

 * Description:  Contains a variety of utility functions used to display UI
 * components such as form headers and footers.  Intended to be modified on a per
 * theme basis.
 */

include_once __DIR__ . '/SugarThemeRegistry.php';

if (!defined('JSMIN_AS_LIB')) {
    define('JSMIN_AS_LIB', true);
}

require_once("include/SugarTheme/cssmin.php");
require_once("jssource/SugarMin.php");
require_once('include/utils/sugar_file_utils.php');

/**
 * Class that provides tools for working with a theme.
 * @api
 */
class SugarTheme
{
    /**
     * Theme name
     *
     * @var string
     */
    protected $name;

    /**
     * Theme description
     *
     * @var string
     */
    protected $description;

    /**
     * Defines which parent files to not include
     *
     * @var string
     */
    protected $ignoreParentFiles = array();

    /**
     * Defines which parent files to not include
     *
     * @var string
     */
    public $directionality = 'ltr';
    /**
     * Theme directory name
     *
     * @var string
     */
    protected $dirName;

    /**
     * Parent theme name
     *
     * @var string
     */
    protected $parentTheme;

    /**
     * Colors sets provided by the theme
     *
     * @deprecated only here for BC during upgrades
     * @var array
     */
    protected $colors = array();

    /**
     * Font sets provided by the theme
     *
     * @deprecated only here for BC during upgrades
     * @var array
     */
    protected $fonts  = array();

    /**
     * Maximum sugar version this theme is for; defaults to 5.5.1 as all the themes without this
     * parameter as assumed to work thru 5.5.1
     *
     * @var int
     */
    protected $version = '5.5.1';

    /**
     * Colors used in bar charts
     *
     * @var array
     */
    protected $barChartColors = array(
        "docBorder"             => "0xffffff",
        "docBg1"                => "0xffffff",
        "docBg2"                => "0xffffff",
        "xText"                 => "0x33485c",
        "yText"                 => "0x33485c",
        "title"                 => "0x333333",
        "misc"                  => "0x999999",
        "altBorder"             => "0xffffff",
        "altBg"                 => "0xffffff",
        "altText"               => "0x666666",
        "graphBorder"           => "0xcccccc",
        "graphBg1"              => "0xf6f6f6",
        "graphBg2"              => "0xf6f6f6",
        "graphLines"            => "0xcccccc",
        "graphText"             => "0x333333",
        "graphTextShadow"       => "0xf9f9f9",
        "barBorder"             => "0xeeeeee",
        "barBorderHilite"       => "0x333333",
        "legendBorder"          => "0xffffff",
        "legendBg1"             => "0xffffff",
        "legendBg2"             => "0xffffff",
        "legendText"            => "0x444444",
        "legendColorKeyBorder"  => "0x777777",
        "scrollBar"             => "0xcccccc",
        "scrollBarBorder"       => "0xeeeeee",
        "scrollBarTrack"        => "0xeeeeee",
        "scrollBarTrackBorder"  => "0xcccccc",
        );

    /**
     * Colors used in pie charts
     *
     * @var array
     */
    protected $pieChartColors = array(
        "docBorder"             => "0xffffff",
        "docBg1"                => "0xffffff",
        "docBg2"                => "0xffffff",
        "title"                 => "0x333333",
        "subtitle"              => "0x666666",
        "misc"                  => "0x999999",
        "altBorder"             => "0xffffff",
        "altBg"                 => "0xffffff",
        "altText"               => "0x666666",
        "graphText"             => "0x33485c",
        "graphTextShadow"       => "0xf9f9f9",
        "pieBorder"             => "0xffffff",
        "pieBorderHilite"       => "0x333333",
        "legendBorder"          => "0xffffff",
        "legendBg1"             => "0xffffff",
        "legendBg2"             => "0xffffff",
        "legendText"            => "0x444444",
        "legendColorKeyBorder"  => "0x777777",
        "scrollBar"             => "0xdfdfdf",
        "scrollBarBorder"       => "0xfafafa",
        "scrollBarTrack"        => "0xeeeeee",
        "scrollBarTrackBorder"  => "0xcccccc",
        );

    /**
     * Does this theme support group tabs
     *
     * @var bool
     */
    public $group_tabs;

    /**
     * Support for classic themes
     *
     * @var bool
     */
    public $classic;

    /**
     * Is this theme configurable
     *
     * @var bool
     */
    public $configurable;

    /**
     * theme config options
     *
     * @var bool
     */
    public $config_options = array();


    /**
     * Cache built of all css files locations
     *
     * @var array
     */
    private $_cssCache = array();

    /**
     * Cache built of all image files locations
     *
     * @var array
     */
    private $_imageCache = array();

    /**
     * Cache built of all javascript files locations
     *
     * @var array
     */
    private $_jsCache = array();

    /**
     * Cache built of all template files locations
     *
     * @var array
     */
    private $_templateCache = array();

    /**
     * Cache built of sprite meta data
     *
     * @var array
     */
    private $_spriteCache = array();

    /**
     * Size of the caches after the are initialized in the constructor
     *
     * @var array
     */
    private $_initialCacheSize = array(
        'cssCache'      => 0,
        'imageCache'    => 0,
        'jsCache'       => 0,
        'templateCache' => 0,
        'spriteCache'	=> 0,
        );

    /**
     * Controls whether or not to clear the cache on destroy; defaults to false
     */
    private $_clearCacheOnDestroy = false;

    private $imageExtensions = array(
            'svg' => 'image/svg+xml',
            'gif' => 'image/gif',
            'png' => 'image/png',
            'jpg' => 'image/jpeg',
            'tif' => 'image/tiff',
            'bmp' => 'image/bmp',
    );

    /**
     * Returns the mime type for the image extension in case it is supported.
     * In case the extension isn't supported returns null.
     *
     * @param $extension The extension name, e.g. 'png'
     * @return string|null
     */
    public function getMimeType($extension)
    {
        if (!isset($this->imageExtensions[$extension])) {
            return null;
        }

        return $this->imageExtensions[$extension];
    }

    /**
     * Constructor
     *
     * Sets the theme properties from the defaults passed to it, and loads the file path cache from an external cache
     *
     * @param  $defaults string defaults for the current theme
     */
    public function __construct(
        $defaults
        ) {
        // apply parent theme's properties first
        if (isset($defaults['parentTheme'])) {
            $themedef = array();
            include("themes/{$defaults['parentTheme']}/themedef.php");
            foreach ($themedef as $key => $value) {
                if (property_exists(__CLASS__, $key)) {
                    // For all arrays ( except colors and fonts ) you can just specify the items
                    // to change instead of all of the values
                    if (is_array($this->$key) && !in_array($key, array('colors','fonts'))) {
                        $this->$key = array_merge($this->$key, $value);
                    } else {
                        $this->$key = $value;
                    }
                }
            }
        }
        foreach ($defaults as $key => $value) {
            if (property_exists(__CLASS__, $key)) {
                // For all arrays ( except colors and fonts ) you can just specify the items
                // to change instead of all of the values
                if (is_array($this->$key) && !in_array($key, array('colors','fonts'))) {
                    $this->$key = array_merge($this->$key, $value);
                } else {
                    $this->$key = $value;
                }
            }
        }
        if (!inDeveloperMode()) {
            if (is_file($cachedfile = sugar_cached($this->getFilePath().'/pathCache.php'))) {
                $caches = unserialize(file_get_contents($cachedfile));
                if (isset($caches['jsCache'])) {
                    $this->_jsCache       = $caches['jsCache'];
                }
                if (isset($caches['cssCache'])) {
                    $this->_cssCache      = $caches['cssCache'];
                }
                if (isset($caches['imageCache'])) {
                    $this->_imageCache    = $caches['imageCache'];
                }
                if (isset($caches['templateCache'])) {
                    $this->_templateCache = $caches['templateCache'];
                }
            }
            $cachedfile = sugar_cached($this->getFilePath().'/spriteCache.php');
            if (!empty($GLOBALS['sugar_config']['use_sprites']) && is_file($cachedfile)) {
                $this->_spriteCache = unserialize(sugar_file_get_contents($cachedfile));
            }
        }
        $this->_initialCacheSize = array(
            'jsCache'       => count($this->_jsCache),
            'cssCache'      => count($this->_cssCache),
            'imageCache'    => count($this->_imageCache),
            'templateCache' => count($this->_templateCache),
            'spriteCache' 	=> count($this->_spriteCache),
            );
    }

    /**
     * This is needed to prevent unserialize vulnerability
     */
    public function __wakeup()
    {
        // clean all properties
        foreach (get_object_vars($this) as $k => $v) {
            $this->$k = null;
        }
        throw new Exception("Not a serializable object");
    }

    /**
     * Destructor
     * Here we'll write out the internal file path caches to an external cache of some sort.
     */
    public function __destruct()
    {
        // Set the current directory to one which we expect it to be (i.e. the root directory of the install
        $dir = realpath(dirname(__FILE__) . '/../..');
        static $includePathIsPatched = false;
        if ($includePathIsPatched == false) {
            $path = explode(PATH_SEPARATOR, get_include_path());
            if (in_array($dir, $path) == false) {
                set_include_path($dir . PATH_SEPARATOR . get_include_path());
            }
            $includePathIsPatched = true;
        }
        chdir($dir); // destruct can be called late, and chdir could change
        $cachedir = sugar_cached($this->getFilePath());
        sugar_mkdir($cachedir, 0775, true);
        // clear out the cache on destroy if we are asked to
        if ($this->_clearCacheOnDestroy) {
            if (is_file("$cachedir/pathCache.php")) {
                unlink("$cachedir/pathCache.php");
            }
            if (is_file("$cachedir/spriteCache.php")) {
                unlink("$cachedir/spriteCache.php");
            }

            if (($cachedir) && is_dir($cachedir . '/modules') && (!rmdir_recursive($cachedir . '/modules'))) {
                throw new Exception("Unable to clear cache: $cachedir . '/modules'");
            }
        } elseif (!inDeveloperMode()) {
            // only update the caches if they have been changed in this request
            if (count($this->_jsCache) != $this->_initialCacheSize['jsCache']
                    || count($this->_cssCache) != $this->_initialCacheSize['cssCache']
                    || count($this->_imageCache) != $this->_initialCacheSize['imageCache']
                    || count($this->_templateCache) != $this->_initialCacheSize['templateCache']
                ) {
                sugar_file_put_contents(
                    "$cachedir/pathCache.php",
                    serialize(
                        array(
                            'jsCache'       => $this->_jsCache,
                            'cssCache'      => $this->_cssCache,
                            'imageCache'    => $this->_imageCache,
                            'templateCache' => $this->_templateCache,
                            )
                        )
                    );
            }
            if (count($this->_spriteCache) != $this->_initialCacheSize['spriteCache']) {
                sugar_file_put_contents(
                    "$cachedir/spriteCache.php",
                    serialize($this->_spriteCache)
                );
            }
        }
    }

    /**
     * Specifies what is returned when the object is cast to a string, in this case it will be the
     * theme directory name.
     *
     * @return string theme directory name
     */
    public function __toString()
    {
        return $this->dirName;
    }

    /**
     * Generic public accessor method for all the properties of the theme ( which are kept protected )
     *
     * @return string
     */
    public function __get(
        $key
        ) {
        if (isset($this->$key)) {
            return $this->$key;
        }
    }

    public function __isset($key)
    {
        return isset($this->$key);
    }

    public function clearJSCache()
    {
        $this->_jsCache = array();
    }

    /**
     * Clears out the caches used for this themes
     */
    public function clearCache()
    {
        $this->_clearCacheOnDestroy = true;
    }

    /**
     * Return array of all valid fields that can be specified in the themedef.php file
     *
     * @return array
     */
    public static function getThemeDefFields()
    {
        return array(
            'name',
            'description',
            'directionality',
            'dirName',
            'parentTheme',
            'version',
            'colors',
            'fonts',
            'barChartColors',
            'pieChartColors',
            'group_tabs',
            'classic',
            'configurable',
            'config_options',
            'ignoreParentFiles',
            );
    }

    /**
     * Returns the file path of the current theme
     *
     * @return string
     */
    public function getFilePath()
    {
        return 'themes/'.$this->dirName;
    }

    /**
     * Returns the image path of the current theme
     *
     * @return string
     */
    public function getImagePath()
    {
        return $this->getFilePath().'/images';
    }

    /**
     * Returns the css path of the current theme
     *
     * @return string
     */
    public function getCSSPath()
    {
        return $this->getFilePath().'/css';
    }

    /**
     * Returns the javascript path of the current theme
     *
     * @return string
     */
    public function getJSPath()
    {
        return $this->getFilePath().'/js';
    }

    /**
     * Returns the tpl path of the current theme
     *
     * @return string
     */
    public function getTemplatePath()
    {
        return $this->getFilePath().'/tpls';
    }

    /**
     * Returns the file path of the theme defaults
     *
     * @return string
     */
    final public function getDefaultFilePath()
    {
        return 'themes/default';
    }

    /**
     * Returns the image path of the theme defaults
     *
     * @return string
     */
    final public function getDefaultImagePath()
    {
        return $this->getDefaultFilePath().'/images';
    }

    /**
     * Returns the css path of the theme defaults
     *
     * @return string
     */
    final public function getDefaultCSSPath()
    {
        return $this->getDefaultFilePath().'/css';
    }

    /**
     * Returns the template path of the theme defaults
     *
     * @return string
     */
    final public function getDefaultTemplatePath()
    {
        return $this->getDefaultFilePath().'/tpls';
    }

    /**
     * Returns the javascript path of the theme defaults
     *
     * @return string
     */
    final public function getDefaultJSPath()
    {
        return $this->getDefaultFilePath().'/js';
    }

    /**
     * Returns CSS for the current theme.
     *
     * @param  $color string optional, specifies the css color file to use if the theme supports it; defaults to cookie value or theme default
     * @param  $font  string optional, specifies the css font file to use if the theme supports it; defaults to cookie value or theme default
     * @return string HTML code
     */
    public function getCSS(
        $color = null,
        $font = null
        ) {
        // include style.css file
        $html = '
            <!-- qtip & suggestion box -->
            <link rel="stylesheet" type="text/css" href="include/javascript/qtip/jquery.qtip.min.css" />';
        $html .= '<link rel="stylesheet" type="text/css" href="'.$this->getCSSURL('yui.css').'" />';
        $html .= '<link rel="stylesheet" type="text/css" href="include/javascript/jquery/themes/base/jquery.ui.all.css" />';

        // sprites
        if (!empty($GLOBALS['sugar_config']['use_sprites']) && $GLOBALS['sugar_config']['use_sprites']) {

            // system wide sprites
            if (file_exists("cache/sprites/default/sprites.css")) {
                $html .= '<link rel="stylesheet" type="text/css" href="'.getJSPath('cache/sprites/default/sprites.css').'" />';
            }

            // theme specific sprites
            if (file_exists("cache/sprites/{$this->dirName}/sprites.css")) {
                $html .= '<link rel="stylesheet" type="text/css" href="'.getJSPath('cache/sprites/'.$this->dirName.'/sprites.css').'" />';
            }

            // parent sprites
            if ($this->parentTheme && $parent = SugarThemeRegistry::get($this->parentTheme)) {
                if (file_exists("cache/sprites/{$parent->dirName}/sprites.css")) {
                    $html .= '<link rel="stylesheet" type="text/css" href="'.getJSPath('cache/sprites/'.$parent->dirName.'/sprites.css').'" />';
                }
            }

            // repeatable sprites
            if (file_exists("cache/sprites/Repeatable/sprites.css")) {
                $html .= '<link rel="stylesheet" type="text/css" href="'.getJSPath('cache/sprites/Repeatable/sprites.css').'" />';
            }
        }

        // for BC during upgrade
        if (!empty($this->colors)) {
            if (isset($_SESSION['authenticated_user_theme_color']) && in_array($_SESSION['authenticated_user_theme_color'], $this->colors)) {
                $color = $_SESSION['authenticated_user_theme_color'];
            } else {
                $color = $this->colors[0];
            }
            $html .= '<link rel="stylesheet" type="text/css" href="'.$this->getCSSURL('colors.'.$color.'.css').'" id="current_color_style" />';
        }

        if (!empty($this->fonts)) {
            if (isset($_SESSION['authenticated_user_theme_font']) && in_array($_SESSION['authenticated_user_theme_font'], $this->fonts)) {
                $font = $_SESSION['authenticated_user_theme_font'];
            } else {
                $font = $this->fonts[0];
            }
            $html .= '<link rel="stylesheet" type="text/css" href="'.$this->getCSSURL('fonts.'.$font.'.css').'" id="current_font_style" />';
        }


        $html .= '<link rel="stylesheet" type="text/css" href="'.$this->getCSSURL('style.css').'" />';
        return $html;
    }

    /**
     * Returns javascript for the current theme
     *
     * @return string HTML code
     */
    public function getJS()
    {
        $styleJS = $this->getJSURL('style.js');
        return <<<EOHTML
<script type="text/javascript" src="$styleJS"></script>
EOHTML;
    }

    /**
     * Returns the path for the tpl file in the current theme. If not found in the current theme, will revert
     * to looking in the base theme.
     *
     * @param  string $templateName tpl file name
     * @return string path of tpl file to include
     */
    public function getTemplate(
        $templateName
        ) {
        if (isset($this->_templateCache[$templateName])) {
            return $this->_templateCache[$templateName];
        }

        $templatePath = '';
        if (is_file('custom/'.$this->getTemplatePath().'/'.$templateName)) {
            $templatePath = 'custom/'.$this->getTemplatePath().'/'.$templateName;
        } elseif (is_file($this->getTemplatePath().'/'.$templateName)) {
            $templatePath = $this->getTemplatePath().'/'.$templateName;
        } elseif (isset($this->parentTheme)
                && SugarThemeRegistry::get($this->parentTheme) instanceof SugarTheme
                && ($filename = SugarThemeRegistry::get($this->parentTheme)->getTemplate($templateName)) != '') {
            $templatePath = $filename;
        } elseif (is_file('custom/'.$this->getDefaultTemplatePath().'/'.$templateName)) {
            $templatePath = 'custom/'.$this->getDefaultTemplatePath().'/'.$templateName;
        } elseif (is_file($this->getDefaultTemplatePath().'/'.$templateName)) {
            $templatePath = $this->getDefaultTemplatePath().'/'.$templateName;
        } else {
            $GLOBALS['log']->warn("Template $templateName not found");
            return false;
        }

        $this->_imageCache[$templateName] = $templatePath;

        return $templatePath;
    }

    /**
     * Returns an image tag for the given image.
     *
     * @param  string $image image name
     * @param  string $other_attributes optional, other attributes to add to the image tag, not cached
     * @param  string $width optional, defaults to the actual image's width
     * @param  string $height optional, defaults to the actual image's height
     * @param  string $ext optional, image extension (TODO can we deprecate this one ?)
     * @param  string $alt optional, only used when image contains something useful, i.e. "Sally's profile pic"
     * @param  string $imageJSONEncode optional, some of template javascript need the exact image-html-string to build HTML contents so this parameter make a json_encode call on the return SVG or image source
     * @param  string $forceExt optional, force image extension
     * @return string HTML image tag or sprite
     */
    public function getImage($imageName, $other_attributes = '', $width = null, $height = null, $ext = null, $alt = '', $imageJSONEncode = false, $forceExt = null)
    {
        static $cached_results = array();

        // look for .svg first
        if (strpos($imageName, '.svg') !== false) {
            $ext = '';
        } else {
            // Look for SVG first
            $imagePath = SugarThemeRegistry::current()->getImagePath().DIRECTORY_SEPARATOR.$imageName.'.svg';
            if (file_exists($imagePath)) {
                $ext = '.svg';
            }
        }

        if ($forceExt) {
            $ext = $forceExt;
        }


        // trap deprecated use of image extension
        if (is_null($ext)) {
            $imageNameExp = explode('.', $imageName);
            if (count($imageNameExp) == 1) {
                $imageName .= '.gif';
            }
        } else {
            $imageName .= $ext;
        }

        // trap alt attributes in other_attributes
        if (preg_match('/alt=["\']([^\'"]+)["\']/i', $other_attributes)) {
            $GLOBALS['log']->debug("Sprites: alt attribute detected for $imageName");
        }
        // sprite handler, makes use of own caching mechanism
        if (!empty($GLOBALS['sugar_config']['use_sprites']) && $GLOBALS['sugar_config']['use_sprites']) {
            // get sprite metadata
            if ($sp = $this->getSpriteMeta($imageName)) {
                // requested size should match
                if ((!is_null($width) && $sp['width'] == $width) || (is_null($width)) &&
                    (!is_null($height) && $sp['height'] == $height) || (is_null($height))) {
                    $other_attributes .= ' data-orig="'.$imageName.'"';
                    if ($sprite = $this->getSprite($sp['class'], $other_attributes, $alt)) {
                        return $imageJSONEncode ? json_encode($sprite) : $sprite;
                    }
                }
            }
        }
      
        // img caching
        if (empty($cached_results[$imageName])) {
            $imageURL = $this->getImageURL($imageName, false);
            if (empty($imageURL)) {
                return false;
            }
            if (strpos($imageURL, '.svg', strlen($imageURL)-4)) {
                $cached_results[$imageName] = file_get_contents($imageURL);
            } else {
                $cached_results[$imageName] = '<img src="'.getJSPath($imageURL).'" ';
            }
        }

        $attr_width = (is_null($width)) ? "" : "width=\"$width\"";
        $attr_height = (is_null($height)) ? "" : "height=\"$height\"";

        if (strpos($cached_results[$imageName], 'svg') !== false) {
            return $imageJSONEncode ? json_encode($cached_results[$imageName]) : $cached_results[$imageName];
        }
        $ret = $cached_results[$imageName] . " $attr_width $attr_height $other_attributes alt=\"$alt\" />";
        return $imageJSONEncode ? json_encode($ret) : $ret;
    }

    /**
     * Returns sprite meta data
     *
     * @param  string $imageName Image filename including extension
     * @return array  Sprite meta data
     */
    public function getSpriteMeta($imageName)
    {

        // return from cache
        if (isset($this->_spriteCache[$imageName])) {
            return $this->_spriteCache[$imageName];
        }

        // sprite keys are base on imageURL
        $imageURL = $this->getImageURL($imageName, false);
        if (empty($imageURL)) {
            $this->_spriteCache[$imageName] = false;
            return false;
        }

        // load meta data, includes default images
        require_once("include/SugarTheme/SugarSprites.php");
        $meta = SugarSprites::getInstance();
        // add current theme dir
        $meta->loadSpriteMeta($this->dirName);
        // add parent theme dir
        if ($this->parentTheme && $parent = SugarThemeRegistry::get($this->parentTheme)) {
            $meta->loadSpriteMeta($parent->dirName);
        }

        // add to cache
        if (isset($meta->sprites[$imageURL])) {
            $this->_spriteCache[$imageName] = $meta->sprites[$imageURL];
        // add imageURL to cache
            //$this->_spriteCache[$imageName]['imageURL'] = $imageURL;
        } else {
            $this->_spriteCache[$imageName] = false;
            $GLOBALS['log']->debug("Sprites: miss for $imageURL");
        }
        return $this->_spriteCache[$imageName];
    }

    /**
     * Returns sprite HTML span tag
     *
     * @param  string class The md5 id used in the CSS sprites class
     * @param  string attr  optional, list of additional html attributes
     * @param  string title optional, the title (equivalent to alt on img)
     * @return string HTML span tag
     */
    public function getSprite($class, $attr, $title)
    {

        // handle multiple class tags
        $class_regex = '/class=["\']([^\'"]+)["\']/i';
        preg_match($class_regex, $attr, $match);
        if (isset($match[1])) {
            $attr = preg_replace($class_regex, 'class="spr_'.$class.' ${1}"', $attr);

        // single class
        } else {
            $attr .= ' class="spr_'.$class.'"';
        }

        if ($title) {
            $attr .= ' title="'.$title.'"';
        }

        // use </span> instead of /> to prevent weird UI results
        $GLOBALS['log']->debug("Sprites: generated sprite -> $attr");
        return "<span {$attr}></span>";
    }

    /**
     * Returns a link HTML tag with or without an embedded image
     */
    public function getLink(
        $url,
        $title,
        $other_attributes = '',
        $img_name = '',
        $img_other_attributes = '',
        $img_width = null,
        $img_height = null,
        $img_alt = '',
        $img_placement = 'imageonly'
    ) {
        if ($img_name) {
            $img = $this->getImage($img_name, $img_other_attributes, $img_width, $img_height, null, $img_alt);
            if ($img == false) {
                $GLOBALS['log']->debug('Sprites: unknown image getLink');
                $img = 'unknown';
            }
            switch ($img_placement) {
                case 'left': 	$inner_html = $img."<span class='title'>".$title."</span>"; break;
                case 'right':	$inner_html = "<span class='title'>".$title."</span>".$img; break;
                default:		$inner_html = $img; break;
            }
        } else {
            $inner_html = $title;
        }

        return '<a href="'.$url.'" title="'.$title.'" '.$other_attributes.'>'.$inner_html.'</a>';
    }

    /**
     * Returns the URL for an image in the current theme. If not found in the current theme, will revert
     * to looking in the base theme.
     * @param  string $imageName image file name
     * @param  bool   $addJSPath call getJSPath() with the results to add some unique image tracking support
     * @return string|bool path to image or false if image not found
     */
    public function getImageURL(
        $imageName,
        $addJSPath = true
        ) {
        if (isset($this->_imageCache[$imageName])) {
            if ($addJSPath) {
                return getJSPath($this->_imageCache[$imageName]);
            } else {
                return $this->_imageCache[$imageName];
            }
        }
        $imagePath = '';
        if (($filename = $this->_getImageFileName('custom/'.$this->getImagePath().'/'.$imageName)) != '') {
            $imagePath = $filename;
        } elseif (($filename = $this->_getImageFileName($this->getImagePath().'/'.$imageName)) != '') {
            $imagePath = $filename;
        } elseif (isset($this->parentTheme)
                && SugarThemeRegistry::get($this->parentTheme) instanceof SugarTheme
                && ($filename = SugarThemeRegistry::get($this->parentTheme)->getImageURL($imageName, false)) != '') {
            $imagePath = $filename;
        } elseif (($filename = $this->_getImageFileName('custom/'.$this->getDefaultImagePath().'/'.$imageName)) != '') {
            $imagePath = $filename;
        } elseif (($filename = $this->_getImageFileName($this->getDefaultImagePath().'/'.$imageName)) != '') {
            $imagePath = $filename;
        } elseif (($filename = $this->_getImageFileName('include/images/'.$imageName)) != '') {
            $imagePath = $filename;
        } else {
            $imagePath = false;
        }


        if ($imagePath) {
            $this->_imageCache[$imageName] = $imagePath;

            if ($addJSPath) {
                return getJSPath($imagePath);
            }
        }

        return $imagePath;
    }

    /**
     * Checks for an image using all of the accepted image extensions
     *
     * @param  string $imageName image file name
     * @return string path to image
     */
    protected function _getImageFileName(
        $imageName
        ) {
        // return now if the extension matches that of which we are looking for
        if (is_file($imageName)) {
            return $imageName;
        }
        $pathParts = pathinfo($imageName);
        foreach (array_keys($this->imageExtensions) as $extension) {
            if (isset($pathParts['extension'])) {
                if (($extension != $pathParts['extension'])
                        && is_file($pathParts['dirname'].'/'.$pathParts['filename'].'.'.$extension)) {
                    return $pathParts['dirname'].'/'.$pathParts['filename'].'.'.$extension;
                }
            }
        }

        return '';
    }

    /**
     * Returns the URL for the css file in the current theme. If not found in the current theme, will revert
     * to looking in the base theme.
     *
     * @param  string $cssFileName css file name
     * @param  bool   $returnURL if true, returns URL with unique image mark, otherwise returns path to the file
     * @return string path of css file to include
     */
    public function getCSSURL($cssFileName, $returnURL = true)
    {
        if (preg_match('/.css$/', $cssFileName)) {
            global $current_user;
            if (method_exists($current_user, 'getSubTheme')) {
                $subTheme = $current_user->getSubTheme();
                $cssFileName = $subTheme . '/' . $cssFileName;
            }
        }

        if (isset($this->_cssCache[$cssFileName]) && is_file(sugar_cached($this->_cssCache[$cssFileName]))) {
            if ($returnURL) {
                return getJSPath("cache/".$this->_cssCache[$cssFileName]);
            } else {
                return sugar_cached($this->_cssCache[$cssFileName]);
            }
        }

        $cssFileContents = '';
        $defaultFileName = $this->getDefaultCSSPath().'/'.$cssFileName;
        $fullFileName = $this->getCSSPath().'/'.$cssFileName;
        if (isset($this->parentTheme)
                && SugarThemeRegistry::get($this->parentTheme) instanceof SugarTheme
                && ($filename = SugarThemeRegistry::get($this->parentTheme)->getCSSURL($cssFileName, false)) != '') {
            $cssFileContents .= file_get_contents($filename);
        } else {
            if (is_file($defaultFileName)) {
                $cssFileContents .= file_get_contents($defaultFileName);
            }
            if (is_file('custom/'.$defaultFileName)) {
                $cssFileContents .= file_get_contents('custom/'.$defaultFileName);
            }
        }
        if (is_file($fullFileName)) {
            $cssFileContents .= file_get_contents($fullFileName);
        }
        if (is_file('custom/'.$fullFileName)) {
            $cssFileContents .= file_get_contents('custom/'.$fullFileName);
        }
        if (empty($cssFileContents)) {
            $GLOBALS['log']->warn("CSS File $cssFileName not found");
            return false;
        }

        // fix any image references that may be defined in css files
        $cssFileContents = str_ireplace(
            "entryPoint=getImage&",
            "entryPoint=getImage&themeName={$this->dirName}&",
            $cssFileContents
        );

        // create the cached file location
        $cssFilePath = create_cache_directory($fullFileName);

        // if this is the style.css file, prepend the base.css and calendar-win2k-cold-1.css
        // files before the theme styles
        if ($cssFileName == 'style.css' && !isset($this->parentTheme)) {
            if (inDeveloperMode()) {
                $cssFileContents = file_get_contents('include/javascript/yui/build/base/base.css') . $cssFileContents;
            } else {
                $cssFileContents = file_get_contents('include/javascript/yui/build/base/base-min.css') . $cssFileContents;
            }
        }

        // minify the css
        if (!inDeveloperMode() && !is_file($cssFilePath)) {
            $cssFileContents = cssmin::minify($cssFileContents);
        }

        // now write the css to cache
        sugar_file_put_contents($cssFilePath, $cssFileContents);

        $this->_cssCache[$cssFileName] = $fullFileName;

        if ($returnURL) {
            return getJSPath("cache/".$fullFileName);
        }

        return sugar_cached($fullFileName);
    }

    /**
     * Returns the URL for an image in the current theme. If not found in the current theme, will revert
     * to looking in the base theme.
     *
     * @param  string $jsFileName js file name
     * @param  bool   $returnURL if true, returns URL with unique image mark, otherwise returns path to the file
     * @return string path to js file
     */
    public function getJSURL($jsFileName, $returnURL = true)
    {
        if (isset($this->_jsCache[$jsFileName]) && is_file(sugar_cached($this->_jsCache[$jsFileName]))) {
            if ($returnURL) {
                return getJSPath("cache/".$this->_jsCache[$jsFileName]);
            } else {
                return sugar_cached($this->_jsCache[$jsFileName]);
            }
        }

        $jsFileContents = '';
        $fullFileName = $this->getJSPath().'/'.$jsFileName;
        $defaultFileName = $this->getDefaultJSPath().'/'.$jsFileName;
        if (isset($this->parentTheme)
                && SugarThemeRegistry::get($this->parentTheme) instanceof SugarTheme
                && ($filename = SugarThemeRegistry::get($this->parentTheme)->getJSURL($jsFileName, false)) != ''    && !in_array($jsFileName, $this->ignoreParentFiles)) {
            $jsFileContents .= file_get_contents($filename);
        } else {
            if (is_file($defaultFileName)) {
                $jsFileContents .= file_get_contents($defaultFileName);
            }
            if (is_file('custom/'.$defaultFileName)) {
                $jsFileContents .= file_get_contents('custom/'.$defaultFileName);
            }
        }
        if (is_file($fullFileName)) {
            $jsFileContents .= file_get_contents($fullFileName);
        }
        if (is_file('custom/'.$fullFileName)) {
            $jsFileContents .= file_get_contents('custom/'.$fullFileName);
        }
        if (empty($jsFileContents)) {
            $GLOBALS['log']->warn("Javascript File $jsFileName not found");
            return false;
        }

        // create the cached file location
        $jsFilePath = create_cache_directory($fullFileName);

        // minify the js
        if (!inDeveloperMode()&& !is_file(str_replace('.js', '-min.js', $jsFilePath))) {
            $jsFileContents = SugarMin::minify($jsFileContents);
            $jsFilePath = str_replace('.js', '-min.js', $jsFilePath);
            $fullFileName = str_replace('.js', '-min.js', $fullFileName);
        }

        // now write the js to cache
        sugar_file_put_contents($jsFilePath, $jsFileContents);

        $this->_jsCache[$jsFileName] = $fullFileName;

        if ($returnURL) {
            return getJSPath("cache/".$fullFileName);
        }

        return sugar_cached($fullFileName);
    }

    /**
     * Returns an array of all of the images available for the current theme
     *
     * @return array
     */
    public function getAllImages()
    {
        // first, lets get all the paths of where to look
        $pathsToSearch = array($this->getImagePath());
        $theme = $this;
        while (isset($theme->parentTheme) && SugarThemeRegistry::get($theme->parentTheme) instanceof SugarTheme) {
            $theme = SugarThemeRegistry::get($theme->parentTheme);
            $pathsToSearch[] = $theme->getImagePath();
        }
        $pathsToSearch[] = $this->getDefaultImagePath();

        // now build the array
        $imageArray = array();
        foreach ($pathsToSearch as $path) {
            if (!is_dir($path)) {
                $path = "custom/$path";
            }
            if (is_dir($path) && is_readable($path) && $dir = opendir($path)) {
                while (($file = readdir($dir)) !== false) {
                    if ($file == ".."
                            || $file == "."
                            || $file == ".svn"
                            || $file == "CVS"
                            || $file == "Attic"
                            ) {
                        continue;
                    }
                    if (!isset($imageArray[$file])) {
                        $imageArray[$file] = $this->getImageURL($file, false);
                    }
                }
                closedir($dir);
            }
        }

        ksort($imageArray);

        return $imageArray;
    }

    /**
     * Returns an array of all of the config values for the current theme
     *
     * @return array
     */
    public function getConfig()
    {
        global $sugar_config;

        $config = array();

        foreach ($this->config_options as $name => $def) {
            $config[$name] = $def;

            $value = '';
            if (isset($sugar_config['theme_settings'][$this->dirName][$name])) {
                $value = $sugar_config['theme_settings'][$this->dirName][$name];
            } else {
                if (isset($def['default'])) {
                    $value = $def['default'];
                }
            }
            $config[$name] = $value;
        }

        return $config;
    }


    public function getSubThemes()
    {
        $subThemes = SugarThemeRegistry::getSubThemes();
        return $subThemes;
    }

    public function getSubThemeDefault()
    {
        $subThemeDefault = SugarThemeRegistry::getSubThemeDefault();
        return $subThemeDefault;
    }
}
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