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<?php
/**
 * class.headPublisher.php
 *
 * @package gulliver.system
 *
 * ProcessMaker Open Source Edition
 * Copyright (C) 2004 - 2011 Colosa Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * 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 LicensegetExtJsLibraries
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * For more information, contact Colosa Inc, 2566 Le Jeune Rd.,
 * Coral Gables, FL, 33134, USA, or email info@colosa.com.
 *
 */

use ProcessMaker\Plugins\PluginRegistry;

/**
 * Class headPublisher
 *
 * @author David S. Callizaya S. <davidsantos@colosa.com>
 * @package gulliver.system
 * @access public
 */
class headPublisher
{

    public static $instance = null;
    public $scriptFiles = array();
    public $cssFiles = array();
    public $leimnudLoad = array();

    /* extJsSkin  init coreLoad flag */
    public $extJsInit = 'false';
    /* extJsSkin  store the current skin for the ExtJs */
    public $extJsSkin = '';

    /* extJsScript Array, to store the file to be include  */
    public $extJsScript = array();

    /* extJsLibrary Array, to store extended ExtJs lybraries  */
    public $extJsLibrary = array();

    /* extJsContent Array, to store the file to be include in the skin content  */
    public $extJsContent = array();

    /* extVariable array, to store the variables generated in PHP, and used in JavaScript */
    public $extVariable = array();

    /* variable array, to store the variables generated in PHP, and used in JavaScript */
    public $vars = array();

    /* tplVariable array, to store the variables for template power */
    public $tplVariable = array();
    public $translationsFile;
    public $leimnudInitString = '  var leimnud = new maborak();
  leimnud.make({
    zip:true,
    inGulliver:true,
    modules :"dom,abbr,rpc,drag,drop,app,panel,fx,grid,xmlform,validator,dashboard",
    files :""
  });';
    public $headerScript = '
  try{
    leimnud.exec(leimnud.fix.memoryLeak);
    if(leimnud.browser.isIphone){
      leimnud.iphone.make();
    }
  }catch(e){}';
    public $disableHeaderScripts = false;
    public $title = '';

    /**
     * Function headPublisher
     *
     * @author David S. Callizaya S. <davidsantos@colosa.com>
     * @access public
     * @return string
     */
    public function __construct()
    {
        $this->addScriptFile("/js/maborak/core/maborak.js");
        $this->translationsFile = "/js/ext/translation." . SYS_LANG . ".js";
        $this->addScriptCode(' var __usernameLogged__ = "' . (isset($_SESSION['USR_USERNAME']) ? $_SESSION['USR_USERNAME'] : '') . '";var SYS_LANG = "' . SYS_LANG . '";');
    }

    public function &getSingleton()
    {
        if (self::$instance == null) {
            self::$instance = new headPublisher();
        }
        return self::$instance;
    }

    /**
     * Function setTitle
     *
     * @author David S. Callizaya S. <davidsantos@colosa.com>
     * @access public
     * @param eter string url
     * @param eter string LoadType
     * @return string
     */
    public function setTitle($title)
    {
        $this->title = $title;
    }

    /**
     * Function addScriptFile
     *
     * @author David S. Callizaya S. <davidsantos@colosa.com>
     * @access public
     * @param eter string url
     * @param eter string LoadType
     * @return string
     */
    public function addScriptFile($url, $LoadType = 1)
    {
        if ($LoadType == 1) {
            $this->scriptFiles[$url] = $url;
        }
        if ($LoadType == 2) {
            $this->leimnudLoad[$url] = $url;
        }
    }

    public function addCssFile($url)
    {
        $this->cssFiles[$url] = $url;
    }

    /**
     * Function addInstanceModule
     *
     * @author David S. Callizaya S. <davidsantos@colosa.com>
     * @access public
     * @param eter string instance
     * @param eter string module
     * @return string
     */
    public function addInstanceModule($instance, $module)
    {
        $this->headerScript .= "leimnud.Package.Load('" . $module . "',{Instance:" . $instance . ",Type:'module'});\n";
    }

    /**
     * Function addClassModule
     *
     * @author David S. Callizaya S. <davidsantos@colosa.com>
     * @access public
     * @param eter string class
     * @param eter string module
     * @return string
     */
    public function addClassModule($class, $module)
    {
        $this->headerScript .= "leimnud.Package.Load('" . $module . "',{Class:" . $class . ",Type:'module'});\n";
    }

    /**
     * Function addScriptCode
     *
     * @author David S. Callizaya S. <davidsantos@colosa.com>
     * @access public
     * @param eter string script
     * @return string
     */
    public function addScriptCode($script)
    {
        $this->headerScript .= $script;
    }

    /**
     * Function printHeader
     *
     * @author David S. Callizaya S. <davidsantos@colosa.com>
     * @access public
     * @return string
     */
    public function printHeader()
    {
        $jslabel = 'labels/en.js';
        if (defined('SYS_LANG')) {
            $jslabel = 'labels' . PATH_SEP . SYS_LANG . '.js';
            if (!file_exists(PATH_CORE . 'js' . PATH_SEP . $jslabel)) {
                $jslabel = 'labels/en.js';
            }
        }
        if (file_exists(PATH_CORE . 'js' . PATH_SEP . $jslabel)) {
            $this->addScriptFile('/jscore/' . $jslabel, 1);
        }
        if ($this->disableHeaderScripts) {
            return '';
        }

        // available js-calendar languages array
        $availableJsCalendarLang = array('ca', 'cn', 'cz', 'de', 'en', 'es', 'fr', 'it', 'jp', 'nl', 'pl', 'pt', 'ro', 'ru', 'sv');

        // get the system language without locale
        $sysLang = explode('-', SYS_LANG);
        $sysLang = $sysLang[0];

        // verify if the requested lang by the system is supported by js-calendar library, if not set english by default
        $sysLang = in_array($sysLang, $availableJsCalendarLang) ? $sysLang : 'en';

        $this->addScriptFile("/js/widgets/js-calendar/unicode-letter.js");
        //$this->addScriptFile( "/js/widgets/js-calendar/lang/" . $sysLang . ".js" );

        $head = '';
        $head .= '<TITLE>' . $this->title . "</TITLE>\n";

        foreach ($this->cssFiles as $file) {
            $head = $head . " <link rel=\"stylesheet\" href=\"" . G::browserCacheFilesUrl($file) . "\">\n";
        }
        
        $head = $head . "
        <!--//////////////////////////////////********//////////////////////////////////-->
        <noscript>
		<div>
		 ". G::LoadTranslation( 'ID_ERROR_JS_NOT_AVAILABLE' )."
		</div>
		</noscript>
		<!--//////////////////////////////////********//////////////////////////////////-->

        <script type=\"text/javascript\">
        var BROWSER_CACHE_FILES_UID = \"" . G::browserCacheFilesGetUid() . "\";
        </script>
        ";

        foreach ($this->scriptFiles as $file) {
            $head = $head . "<script type=\"text/javascript\" src=\"" . G::browserCacheFilesUrl($file) . "\"></script>\n";
        }

        if (!in_array($this->translationsFile, $this->scriptFiles)) {
            $head = $head . "<script type=\"text/javascript\" src=\"" . G::browserCacheFilesUrl($this->translationsFile) . "\"></script>\n";
        }

        $head .= "<script type='text/javascript'>\n";
        $head .= $this->leimnudInitString;

        foreach ($this->leimnudLoad as $file) {
            $head .= "  leimnud.Package.Load(false, {Type: 'file', Path: '" . $file . "', Absolute : true});\n";
        }

        $head .= $this->headerScript;
        $head .= "</script>\n";
        $head .= "<script type=\"text/javascript\" src=\"" . G::browserCacheFilesUrl("/js/maborak/core/maborak.loader.js") . "\"></script>\n";
        return $head;
    }

    /**
     * Function printRawHeader
     * Its prupose is to load el HEADs initialization javascript
     * into a single SCRIPT tag, it is usefull when it is needed
     * to load a page by leimnud floating panel of by another ajax
     * method. (See also RAW skin)
     *
     * @author David S. Callizaya S. <davidsantos@colosa.com>
     * @access public
     * @return string
     */
    public function printRawHeader()
    {
        $jslabel = '/jscore/labels/en.js';
        if (defined('SYS_LANG')) {
            $jslabel1 = 'labels' . PATH_SEP . SYS_LANG . '.js';
            if (!file_exists(PATH_CORE . 'js' . PATH_SEP . $jslabel1)) {
                $jslabel = '/jscore/labels/en.js';
            }
        }
        $head = '';
        //$head .= "<script language='javascript'>\n";
        foreach ($this->scriptFiles as $file) {
            if (($file != "/js/maborak/core/maborak.js") && ($file != $jslabel)) {
                $head = $head . "  eval(ajax_function(\"" . G::browserCacheFilesUrl($file) . "\", \"\", \"\"));\n";
            }
        }
        foreach ($this->leimnudLoad as $file) {
            $head .= "  eval(ajax_function('" . $file . "','',''));\n";
        }
        //Adapts the add events on load to simple javascript sentences.
        $this->headerScript = preg_replace('/\s*leimnud.event.add\s*\(\s*window\s*,\s*(?:\'|")load(?:\'|")\s*,\s*function\(\)\{(.+)\}\s*\)\s*;?/', '$1', $this->headerScript);
        $head .= $this->headerScript;
        //$head .= "</script>\n";
        return $head;
    }

    /**
     * Function clearScripts
     * Its prupose is to clear all the scripts of the header.
     *
     * @author David S. Callizaya S. <davidsantos@colosa.com>
     * @access public
     * @return string
     */
    public function clearScripts()
    {
        $this->scriptFiles = array();
        $this->leimnudLoad = array();
        $this->leimnudInitString = '';
        $this->headerScript = '';
    }

    /**
     * Function includeExtJs
     * with this function we are using the ExtJs library, this library is not compatible with
     * previous libraries, for that reason oHeadPublisher will clear previous libraries like maborak
     * we need to check if we need the language file
     * this function returns the header needed to render a page using ExtJs
     *
     * @author Fernando Ontiveros <fernando@colosa.com>
     * @access public
     * @return string
     */
    public function includeExtJs()
    {
        $this->clearScripts();

        $head = "";
        $head = $head . "  <script type=\"text/javascript\" src=\"" . G::browserCacheFilesUrl("/js/ext/ext-base.js") . "\"></script>\n";
        $head = $head . "  <script type=\"text/javascript\" src=\"" . G::browserCacheFilesUrl("/js/ext/ext-all.js") . "\"></script>\n";
        $head = $head . "  <script type=\"text/javascript\" src=\"" . G::browserCacheFilesUrl("/jscore/src/PM.js") . "\"></script>\n";
        $head = $head . "  <script type=\"text/javascript\" src=\"" . G::browserCacheFilesUrl("/jscore/src/Sessions.js") . "\"></script>\n";

        if (SYS_LANG != 'en') {
            $tempLang = str_replace('-', '_', SYS_LANG);
            if (file_exists(PATH_GULLIVER_HOME . 'js' . PATH_SEP . 'ext' . PATH_SEP . 'locale' . PATH_SEP . 'ext-lang-' . $tempLang . '.js')) {
                $head = $head . "  <script type=\"text/javascript\" src=\"" . G::browserCacheFilesUrl("/js/ext/locale/ext-lang-" . $tempLang . ".js") . "\"></script>\n";
            } else {
                $aux = explode('-', strtolower(SYS_LANG));
                if (file_exists(PATH_GULLIVER_HOME . 'js' . PATH_SEP . 'ext' . PATH_SEP . 'locale' . PATH_SEP . 'ext-lang-' . $aux[0] . '.js')) {
                    $head = $head . "  <script type=\"text/javascript\" src=\"" . G::browserCacheFilesUrl("/js/ext/locale/ext-lang-" . $aux[0] . ".js") . "\"></script>\n";
                }
            }
        }

        // enabled for particular use
        $head .= $this->getExtJsLibraries();

        // $head .= "  <script type='text/javascript' src='/js/ext/draw2d.js'></script>\n";
        // $head .= "  <script type=\"text/javascript\" src=\"" . G::browserCacheFilesUrl("/js/ext/translation." . SYS_LANG . ".js") . "\"></script>\n";

        if (!isset($this->extJsSkin) || $this->extJsSkin == '') {
            $this->extJsSkin = 'xtheme-gray';
            //$this->extJsSkin = 'gtheme';
        }
        //$head .= $this->getExtJsStylesheets();
        $head .= $this->getExtJsScripts();
        $head .= $this->getExtJsVariablesScript();
        $oServerConf = & ServerConf::getSingleton();
        if ($oServerConf->isRtl(SYS_LANG)) {
            $head = $head . "  <script type=\"text/javascript\" src=\"" . G::browserCacheFilesUrl("/js/ext/extjs_rtl.js") . "\"></script>\n";
        }

        return $head;
    }

    public function getExtJsStylesheets($skinName)
    {
        $script = "  <link rel='stylesheet' type='text/css' href='/css/$skinName.css' />\n";
        //$script .= "  <script type=\"text/javascript\" src=\"" . G::browserCacheFilesUrl("/js/ext/translation." . SYS_LANG . ".js") . "\"></script>\n";
        /*
          $script .= "  <link rel='stylesheet' type='text/css' href='/skins/ext/ext-all-notheme.css' />\n";
          $script .= "  <link rel='stylesheet' type='text/css' href='/skins/ext/" . $this->extJsSkin.".css' />\n";

          // <!-- DEPRECATED, this will be removed in a future - the three next lines
          if (file_exists ( PATH_HTML . 'skins' . PATH_SEP . 'ext' . PATH_SEP . 'pmos-' . $this->extJsSkin . '.css' )) {
          $script .= "  <link rel='stylesheet' type='text/css' href='/skins/ext/pmos-" . $this->extJsSkin . ".css' />\n";
          }
          //DEPRECATED, this will be removed in a future -->

          //new interactive css decorator
          $script .= "  <link rel='stylesheet' type='text/css' href='/gulliver/loader?t=extjs-cssExtended&s=".$this->extJsSkin."' />\n";
          $script .= "  <link rel='stylesheet' type='text/css' href='/images/icons_silk/sprite.css' />\n";
         */
        // Load external/plugin css
        // NOTE is necesary to move this to decorator server
        if (class_exists('ProcessMaker\Plugins\PluginRegistry') && !empty(config("system.workspace"))) {
            $oPluginRegistry = PluginRegistry::loadSingleton();
            $registeredCss = $oPluginRegistry->getRegisteredCss();
            /** @var \ProcessMaker\Plugins\Interfaces\CssFile $cssFile */
            foreach ($registeredCss as $cssFile) {
                $script .= "  <link rel='stylesheet' type='text/css' href='" . $cssFile->getCssFile() . ".css' />\n";
            }
        }
        return $script;
    }

    public function getExtJsScripts()
    {
        $script = '';
        if (isset($this->extJsScript) && is_array($this->extJsScript)) {
            foreach ($this->extJsScript as $key => $file) {
                $script = $script . "  <script type=\"text/javascript\" src=\"" . G::browserCacheFilesUrl($file . ".js") . "\"></script>\n";
            }
        }
        return $script;
    }

    public function getExtJsVariablesScript()
    {
        $script = '';
        if (count($this->extVariable) > 0) {
            $script = "<script language='javascript'>\n";
            foreach ($this->extVariable as $key => $val) {
                $name = $val['name'];
                $value = $val['value'];
                $variablesValues = G::json_encode($value);
                $variablesValues = $this->stripCodeQuotes($variablesValues);
                //        var_dump($variablesValues);
                //        echo "<br>";
                $script .= "  var $name = " . $variablesValues . ";\n";
                /*
                  if ($val ['type'] == 'number')
                  $script .= "  var $name = $value;\n";
                  else
                  $script .= "  var $name = '$value';\n";
                 */
            }
            $script .= "</script>\n";
        }
        return $script;
    }

    public function getExtJsLibraries()
    {
        $script = '';
        if (isset($this->extJsLibrary) && is_array($this->extJsLibrary)) {
            foreach ($this->extJsLibrary as $file) {
                $script = $script . "  <script type=\"text/javascript\" src=\"" . G::browserCacheFilesUrl("/js/ext/" . $file . ".js") . "\"></script>\n";
            }
        }
        if (!in_array($this->translationsFile, $this->extJsLibrary)) {
            $script = $script . "  <script type=\"text/javascript\" src=\"" . G::browserCacheFilesUrl($this->translationsFile) . "\"></script>\n";
        }
        return $script;
    }

    /**
     * add a ExtJS extended library
     *
     * @author Erik A. Ortiz <erik@colosa.com>
     * @access public
     * @param (String) http js path library
     * @return none
     */
    public function usingExtJs($library)
    {
        if (!is_string($library)) {
            throw new Exception('headPublisher::usingExt->ERROR - the parameter should be a js path string');
        }
        array_push($this->extJsLibrary, $library);
    }

    /**
     * Function setExtSkin
     *
     * @author Fernando Ontiveros <fernando@colosa.com>
     * @access public
     * @return string
     */
    public function setExtSkin($skin)
    {
        $this->extJsSkin = $skin;
    }

    /**
     * Function addExtJsScript
     * adding a javascript file .
     *
     * js
     * add a js file in the extension Javascript Array,
     * later, when we use the includeExtJs function, all the files in this array will be included in the output
     * if the second argument is true, the file will not be minified, this is useful for debug purposes.
     *
     * Feature added - <erik@colosa.com>
     * - Hook to find javascript registered from plugins and load them
     *
     * @author Fernando Ontiveros <fernando@colosa.com>
     * @author Erik Amaru Ortiz <erik@colosa.com>
     * @access public
     * @return string
     */
    public function addExtJsScript($filename, $debug = false, $isExternal = false)
    {
        $sPath = PATH_TPL;
        //if the template  file doesn't exists, then try with the plugins folders


        if (!is_file($sPath . $filename . ".js")) {
            $aux = explode(PATH_SEP, $filename);
            //check if G_PLUGIN_CLASS is defined, because publisher can be called without an environment
            if (count($aux) > 1 && defined('G_PLUGIN_CLASS')) {
                $flagPlugin = false;
                $keyPlugin = count($aux)-2;

                $oPluginRegistry = PluginRegistry::loadSingleton();
                if ($oPluginRegistry->isRegisteredFolder($aux[$keyPlugin])) {
                    $flagPlugin = true;
                } else {
                    $keyPlugin --;
                    if ($oPluginRegistry->isRegisteredFolder($aux[$keyPlugin])) {
                        $flagPlugin = true;
                    }
                }

                if ($flagPlugin) {
                    array_push($this->extJsLibrary, 'translation.' . trim($aux[$keyPlugin]) . '.' . SYS_LANG);
                    $sPath = PATH_PLUGINS;
                }
            }
        }

        if (!$isExternal) {
            $jsFilename = $sPath . $filename . '.js';
        } else {
            $jsFilename = $filename . '.js';
        }

        if (!file_exists($jsFilename)) {
            return;
        }

        $mtime = filemtime($jsFilename);
        G::mk_dir(PATH_C . 'ExtJs');
        if ($debug) {
            $cacheName = str_replace('/', '_', $filename);
            $cacheFilename = PATH_C . 'ExtJs' . PATH_SEP . $cacheName . '.js';
            file_put_contents($cacheFilename, file_get_contents($jsFilename));
        } else {
            $cacheName = G::encryptOld($mtime . $jsFilename);
            $cacheFilename = PATH_C . 'ExtJs' . PATH_SEP . $cacheName . '.js';

            if (!file_exists($cacheFilename)) {
                $content = JSMin::minify(file_get_contents($jsFilename));
                file_put_contents($cacheFilename, $content);
            }
        }

        $this->extJsScript[] = '/extjs/' . $cacheName;

        //hook for registered javascripts from plugins
        if (class_exists('ProcessMaker\Plugins\PluginRegistry') && !empty(config("system.workspace"))) {
            $oPluginRegistry = PluginRegistry::loadSingleton();
            $pluginJavascripts = $oPluginRegistry->getRegisteredJavascriptBy($filename);
        } else {
            $pluginJavascripts = array();
        }

        if (count($pluginJavascripts) > 0) {
            if ($debug) {
                foreach ($pluginJavascripts as $pluginJsFile) {
                    $jsPluginCacheName = '';
                    if (substr($pluginJsFile, - 3) != '.js') {
                        $pluginJsFile .= '.js';
                    }

                    if (file_exists(PATH_PLUGINS . $pluginJsFile)) {
                        $jsPluginCacheName = str_replace('/', '_', str_replace('.js', '', $pluginJsFile));
                        $cacheFilename = PATH_C . 'ExtJs' . PATH_SEP . $jsPluginCacheName . ".js";
                        file_put_contents($cacheFilename, file_get_contents(PATH_PLUGINS . $pluginJsFile));
                    }
                    if ($jsPluginCacheName != '') {
                        $this->extJsScript[] = '/extjs/' . $jsPluginCacheName;
                    }
                }
            } else {
                foreach ($pluginJavascripts as $pluginJsFile) {
                    $jsPluginCacheName = '';
                    if (substr($pluginJsFile, - 3) !== '.js') {
                        $pluginJsFile .= '.js';
                    }
                    if (file_exists(PATH_PLUGINS . $pluginJsFile)) {
                        $mtime = filemtime(PATH_PLUGINS . $pluginJsFile);
                        $jsPluginCacheName = G::encryptOld($mtime . $pluginJsFile);
                        $cacheFilename = PATH_C . 'ExtJs' . PATH_SEP . $jsPluginCacheName . '.js';

                        if (!file_exists($cacheFilename)) {
                            $content = JSMin::minify(file_get_contents(PATH_PLUGINS . $pluginJsFile));
                            file_put_contents($cacheFilename, $content);
                        }
                    }
                    if ($jsPluginCacheName != '') {
                        $this->extJsScript[] = '/extjs/' . $jsPluginCacheName;
                    }
                }
            }
        }
        //end hook for registered javascripts from plugins
    }

    /**
     * Function AddContent
     * adding a html file .
     *
     * html.
     * the main idea for this function, is to be a replacement to homonymous function in Publisher class.
     * with this function you are adding Content to the output, the class HeadPublisher will maintain a list of
     * files to render in the body of the output page
     *
     * @author Fernando Ontiveros <fernando@colosa.com>
     * @access public
     * @return string
     */
    public function AddContent($templateHtml)
    {
        $this->extJsContent[] = $templateHtml;
    }

    public function getContent()
    {
        return $this->extJsContent;
    }

    /**
     * Function assign
     * assign a STRING value to a JS variable
     * use this function to send from PHP variables to be used in JavaScript
     *
     * @author Fernando Ontiveros <fernando@colosa.com>
     * @access public
     * @return string
     */
    public function Assign($variable, $value)
    {
        $this->extVariable[] = array('name' => $variable, 'value' => $value, 'type' => 'string'
        );
    }

    public function AssignVar($name, $value)
    {
        $this->vars[$name] = $value;
    }

    public function getVars()
    {
        return $this->vars;
    }

    /**
     * Function assignNumber
     * assign a Number value to a JS variable
     * use this function to send from PHP variables to be used in JavaScript
     *
     * @author Fernando Ontiveros <fernando@colosa.com>
     * @access public
     * @return string
     */
    public function AssignNumber($variable, $value)
    {
        $this->extVariable[] = array('name' => $variable, 'value' => $value, 'type' => 'number');
    }

    /**
     * Function renderExtJs
     * this function returns the content rendered using ExtJs
     * extJsContent have an array, and we iterate this array to draw the content
     *
     * @author Fernando Ontiveros <fernando@colosa.com>
     * @access public
     * @return string
     */
    public function renderExtJs()
    {
        $body = '';
        if (isset($this->extJsContent) && is_array($this->extJsContent)) {
            foreach ($this->extJsContent as $key => $file) {
                $sPath = PATH_TPL;
                //if the template  file doesn't exists, then try with the plugins folders
                if (!is_file($sPath . $file . ".html")) {
                    $aux = explode(PATH_SEP, $file);
                    //check if G_PLUGIN_CLASS is defined, because publisher can be called without an environment
                    if (count($aux) == 2 && defined('G_PLUGIN_CLASS')) {
                        $oPluginRegistry = PluginRegistry::loadSingleton();
                        if ($oPluginRegistry->isRegisteredFolder($aux[0])) {
                            $sPath = PATH_PLUGINS;
                        }
                    }
                }

                $template = new TemplatePower($sPath . $file . '.html');
                $template->prepare();

                foreach ($this->getVars() as $k => $v) {
                    $template->assign($k, $v);
                }

                $body .= $template->getOutputContent();
            }
        }
        return $body;
    }

    public function stripCodeQuotes($sJson)
    {
        $fields = array("editor", "renderer"
        );
        foreach ($fields as $field) {
            $pattern = '/"(' . $field . ')":"[a-zA-Z.()]*"/';
            //      echo $pattern."<br>";
            preg_match($pattern, $sJson, $matches);
            //      var_dump ($matches);
            //      echo "<br>";
            if (!empty($matches)) {
                $rendererMatch = $matches[0];
                $replaceBy = explode(":", $matches[0]);
                $replaceBy[1] = str_replace('"', '', $replaceBy[1]);
                $tmpString = implode(":", $replaceBy);
                $sJson = str_replace($rendererMatch, $tmpString, $sJson);
                //        var_dump ($sJson);
                //        echo "<br>";
            }
        }
        return $sJson;
    }

    /**
     * Function disableHeaderScripts
     * this function sets disableHeaderScripts to true
     * to avoid print scripts into the header
     *
     * @author Enrique Ponce de Leom <enrique@colosa.com>
     * @access public
     * @return string
     */
    public function disableHeaderScripts()
    {
        $this->disableHeaderScripts = true;
    }

    /**
     * Gets an array that contains the status of the view.
     * 
     * @return array $views
     */
    public function getExtJsViewState()
    {
        $json = new stdClass();
        $views = array();
        $keyState = "extJsViewState";
        $prefixExtJs = "ys-";
        $oServerConf = &ServerConf::getSingleton();
        $deleteCache = true;

        $sjson = $oServerConf->getProperty($keyState);
        if ($sjson !== "") {
            $json = G::json_decode($sjson);
            if ((is_array($json) || is_object($json)) && sizeof($json)){
                foreach ($json as $key => $value) {
                    $views[$key] = $value;
                }
            }
        }
        $httpCookies = explode("; ", $_SERVER['HTTP_COOKIE']);
        foreach ($httpCookies as $cookie) {
            $value = explode("=", $cookie);
            if (count($value) > 1 && substr($value[0], 0, 3) === $prefixExtJs) {
                $deleteCache = false;
                $key = substr($value[0], 3);
                $views[$key] = $value[1];
            }
        }
        if ((array)$json != $views) {
            $oServerConf->setProperty($keyState, G::json_encode($views));
        }
        return $views;
    }

}