page_view.inc

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<?php
/**************************************************************
 
 Copyright (c) 2010 Sonjara, Inc
 
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation
 files (the "Software"), to deal in the Software without
 restriction, including without limitation the rights to use,
 copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the
 Software is furnished to do so, subject to the following
 conditions:
 
 The above copyright notice and this permission notice shall be
 included in all copies or substantial portions of the Software.
 
 Except as contained in this notice, the name(s) of the above 
 copyright holders shall not be used in advertising or otherwise 
 to promote the sale, use or other dealings in this Software 
 without prior written authorization.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 OTHER DEALINGS IN THE SOFTWARE.
 
*****************************************************************/
 
Fakoli::using("page", "menu", "module");
 
class PageView
{
     var $page;          
     var $template;      
     
     function PageView($page, $template)
     {
          $this->page = $page;
          $this->template = $template;  
     }
     
     function drawView()
     {
          global $config;
          global $method;
          global $user;
          global $script;
          global $styles;
          global $breadcrumbs;
          global $dialogs;
          global $page;
          global $site;
          global $menu_identifier;
          global $identifier;
          global $section;
          global $css_cache_timestamp;
          global $fontawesome;
          
          $page = $this->page; // Pass through to code include
          $site = $page->Site();
          if(!$site)
               $site = Site::getSite(); // Pass through to code include
          
          $bodyClass = $this->page->getBodyClass();
          
          $template = $this->page->getTemplate();
          
          $template = ComponentManager::fireEvent("PreProcessPage", $template);
          
          $template = str_replace("{body_class}", $bodyClass, $template);
          
          $template = preg_replace("/\\{([\w\d:_]+)\\}/", "{_{_[$1]_}_}", $template);
          
          // If the page has a PHP code include, execute it and insert the contents
 
          if ($this->page->php_code_file)
          {
               $output = Fakoli::evaluateFile($this->page->php_code_file);
               $this->page->description .= $output;
     
          }    
 
          $this->page->description = ComponentManager::fireEvent("PostProcessContent", $this->page->description);
          
          if (Settings::getValue("settings", "enable_inline_editing") && Settings::checkPermission("settings", "editor_roles"))
          {
               $versioningControls = ComponentManager::fireEvent("RenderVersioningControls", $this->page);
               $versioningEnabled = Settings::getValue("settings", "enable_content_versioning") ? "1" : "0";
               
               $this->page->description .= "<p id='inline_editing' class='inline_editor_toolbar'><a href='#' class='edit' onclick='new PageManager().editPage({$this->page->page_id}, $versioningEnabled); return false;'>Edit</a>{$versioningControls}</p>";
          }
          
          // Populate template fields from the Page object.
          
          foreach($this->page->getFields() as $field => $type)
          {
               $template = str_replace("{_{_[".$field."]_}_}", $this->page->$field, $template);
          }         
          
          $qs = $_SERVER['QUERY_STRING'];
          $identifier = $_REQUEST["identifier"];
          
          $qs = preg_replace("/identifier=[\\w_]+&*/", "", $qs);
          $qs = preg_replace("/_style=\\w+&*/", "", $qs);
          
          // JDG 2/8/2012 - remove "/" before identifier so that it resolves to correct section
          $printLink = "{$this->page->identifier}".appendToQueryString($qs, "_style=print");
          
          $template = str_replace("{_{_[printIcon]_}_}", 
               "<a href='$printLink' target='_blank'><img src='/fakoli/images/print.gif' style='display: inline-block; vertical-align: middle;border: none'></a>&nbsp;<a href='$printLink' target='_blank'>Print this Page</a>",
               $template);
          
          // Populate the template with the appropriate menu(s).
          
          $menuPositions = array();
          
          preg_match_all("/\\{_\\{_\\[menu:(.*?)\\]_\\}_\\}/", $template, $menuPositions, PREG_SET_ORDER);
          
          $menus = indexedQuery(Menu, "WHERE site_id={$this->page->site_id}", "identifier");
          
          foreach($menuPositions as $position)
          {
               $output = "";
               
               trace("Substituting Menu at Position {$position[0]} {$position[1]}", 3);
                              
               if (array_key_exists($position[1], $menus))
               {
                    $view = new MenuView($menus[$position[1]]);
                    $menuBody = $view->drawView();
                    if ($menuBody)
                    {
                         $menuCSSClass = $menus[$position[1]]->container_css_class;;
                         $menuCSSClass = $menuCSSClass ? " class='{$menuCSSClass}'" : "";
                         $output .= "<div id='$position[1]'{$menuCSSClass}>";                       
                         $output .= $menuBody; 
                         $output .= "</div>";
                    }                             
               }
               
               $template = str_replace($position[0], $output, $template);            
          }
          
          
          
          // Populate the template with associated modules for the page at the correct positions.
          
          $positions = array();
          
          preg_match_all("/\\{_\\{_\\[position:(.*?)\\]_\\}_\\}/", $template, $positions, PREG_SET_ORDER);
          
          $modules = $this->page->getModulesByPosition();
     
          foreach($positions as $position)
          {
               $output = "";
               
               trace("Substituting at Position {$position[0]} {$position[1]}", 3);
                              
               if (array_key_exists($position[1], $modules))
               {
                    $output .= "<div id='$position[1]'>";
                    
                    foreach($modules[$position[1]] as $module)
                    {
                         $view = ModuleView::create($module);
                         $output .= $view->drawView();
                    }
                    
                    $output .= "</div>";                    
               }
               
               $template = str_replace($position[0], $output, $template);
          }
 
          // Direct inclusion of module by path
          // Generally discouraged, but sometimes the best solution
          
          $inclusions = array();
          preg_match_all("/\{include:(.*?\.inc)\}/", $template, $inclusions, PREG_SET_ORDER);
          
          foreach($inclusions as $inclusion)
          {
               $output = Fakoli::evaluateFile($inclusion[1]);
               $template = str_replace($inclusion[0], $output, $template);
          }
          
          // Pull in the script and style dependencies defined by the components
          
          $script = Fakoli::getScripts() . $script;
          $styles = Fakoli::getStyles() . $styles;
 
          $script = ComponentManager::fireEvent("PostProcessScript", $script);
          $styles = ComponentManager::fireEvent("PostProcessStyles", $styles);
          
          // Populate global variable references
          
          $vars = array();
          
          preg_match_all("/\\{_\\{_\\[var:(.*?)\\]_\\}_\\}/", $template, $vars, PREG_SET_ORDER);
          
          foreach($vars as $var)
          {         
               $expr = $var[0];
               $name = $var[1];    
               $template = str_replace($expr, $$name, $template);
          }
          
          // Populate stored value references
          
          $gets = array();
                    
          preg_match_all("/\\{_\\{_\\[get:(.*?)\\]_\\}_\\}/", $template, $gets, PREG_SET_ORDER);
          foreach($gets as $get)
          {
               $expr = $get[0];
               $name = $get[1];
               $value = Fakoli::get($name);
               
               $template = str_replace($expr, $value, $template);
          }
          
          
          $template = str_replace("{_{_[", "{", $template);
          $template = str_replace("]_}_}", "}", $template);
          
          $template = ComponentManager::fireEvent("PostProcessPage", $template);
          
          if ($config['prettyURLs'] === false)
          {
               $template = preg_replace("/(href|src|action)=(['\"])\\/?([\\w\\d_]+?)\\?/i", "$1=$2/page.php?identifier=$3&", $template);
               $template = preg_replace("/(href|src|action)=(['\"])\\/?([\\w\\d_]+?)[\"']/i", "$1=$2/page.php?identifier=$3$2", $template);
               $template = preg_replace("/go\\(([\"'])\\/?([\\w\\d_]+?)\\?/", "go($1/page.php?identifier=$2&", $template);
               $template = preg_replace("/go\\(([\"'])\\/?([\\w\\d_]+?)[\"']/", "go($1/page.php?identifier=$2$1", $template);
               
          }
          
          return $template;
     }
}
?>