<?php

namespace Phem\Controllers;

use Doctrine\Common\Annotations\AnnotationReader;
use Phem\Core\Collection;
use Phem\Environment\Application;
use Phem\Environment\EnvironmentManager;
use Phem\Environment\ResourceType;
use Phem\Libraries\Security\Model\MySQL\User;
use Phem\Libraries\UI\Annotations\ContentAttr;
use Phem\Libraries\UI\Annotations\DomAttr;
use Phem\Libraries\UI\Annotations\DomPath;
use Phem\Libraries\UI\Annotations\StyleAttr;
use Phem\Libraries\UI\Model\EventResult;
use Phem\Libraries\UI\Model\ScopeType;
use Phem\Libraries\UI\Model\Workspace;
use Phem\Views\SimpleView;
use ReflectionClass;
use ReflectionProperty;
use stdClass;

abstract class WorkspaceViewController extends Controller
{

    protected $renderTemplate = true;
    private $workspace;
    private $connectionId;

    public function getWorkspace()
    {
        return $this->workspace;
    }

    public function setWorkspace($workspace)
    {
        $this->workspace = $workspace;
    }

    public function execute($task)
    {
        parent::execute($task);
        
        $this->connectionId = (int) EnvironmentManager::getRequestVar("connectionId", 0);
        
        $template = "@Phem/UI/Workspace.twig";     
        
        $classPathArray = explode('\\', get_class($this));
        $classShortName = end($classPathArray);        
        
        $controllerName = str_replace("Controller", "", $classShortName);
        
        $model = new Collection();        
        $model->put("styles", EnvironmentManager::getResourceManager()
                ->getResourcePathCollection(ResourceType::CSS));
        $model->put("scripts", EnvironmentManager::getResourceManager()
                ->getResourcePathCollection(ResourceType::JS));
        $model->put("controller",$controllerName);
        $model->put("task",$task);
        $model->put("requestUrl", $_SERVER["REQUEST_URI"]);
        $model->put("httpHost", $_SERVER["HTTP_HOST"]);
        $model->put("workspace", $this->workspace);
        
        if ($this->loggedUser == "guest")
        {
            $user = new User();
            $user->setUsername($this->loggedUser);
            $model->put("loggedUser", $user);
        }
        else if ($this->loggedUser != null)
        {
            $user = EnvironmentManager::getUserManager()->getUser($this->loggedUser);          
            $model->put("loggedUser", $user);
        }        
        
        $model->put("sessionId", EnvironmentManager::getSession()->getId());
        
        $lb = EnvironmentManager::getLinkBuilder();
        $onEventLink = $lb->navigate($controllerName, "onEvent");
        $onStrongEventLink = $lb->navigate($controllerName, "onStrongEvent");
        
        $model->put("onEventLink", $onEventLink);
        $model->put("onStrongEventLink", $onStrongEventLink);
        

        if ($this->renderTemplate)
        {
            $view = new SimpleView($template, $model);
            $view->display();
        }
    }
    
    private function findInnerElement($elem, $name)
    {
        if (isset($elem->id) && $elem->id == $name)
        {
            return $elem;
        }
        else if (isset($elem->_children))
        {
            foreach ($elem->_children as $key => $child)
            {
                return $this->findInnerElement($elem->_children[$key], $name);
            }
        }
    }
    
    public function onStrongEvent($name,$value,$event,$invokedBy)
    {
        $this->renderTemplate = false;
        
        //wkspc = EnvironmentManager::getSession()->getVar("phem.workspace");
        
        $wkspc = $this->loadWorkspace("myWkspc", "\PhemDemo\Models\UI\MainWorkspace", $invokedBy);
        
        if (!($wkspc instanceof Workspace))
        {
            //TODO: if wkspc is null
            return;
        }
        
        $wkspc->changes = new Collection();        
        
        $control = $wkspc->findControl($name);
                     
        $src = json_decode(html_entity_decode($value)); 
        
        $reflectionClass = new ReflectionClass($control);
        $props = $reflectionClass->getProperties();
        
           
        foreach ($props as $prop)
        {
            $reflectionProperty = new ReflectionProperty(get_class($control),$prop->getName());
            $annotationReader = new AnnotationReader();
            $propAnnotations = $annotationReader
                    ->getPropertyAnnotations($reflectionProperty);
            

            if (count($propAnnotations)<1) continue;
                       
            $path = "";
            $srcElem = $src;
            foreach ($propAnnotations as $annotation)
            {
                if ($annotation instanceof DomPath)
                {
                    $path.=$annotation->path;
                }
            }
            
            if ($path != "")
            {   
                $srcElem = $this->findInnerElement($src, $name. "_".$path);
            }
            
            foreach ($propAnnotations as $annotation)
            {
                if ($annotation instanceof DomAttr)
                {
                    $setterName = "set" . ucfirst($prop->getName());
                    $propName = $annotation->name;
                    $control->$setterName($srcElem->$propName);
                }
                else if ($annotation instanceof ContentAttr)
                {                    
                    $setterName = "set" . ucfirst($prop->getName());
                    $control->$setterName($srcElem->_content);                    
                }
                else if ($annotation instanceof StyleAttr)
                {
                    $styles = new Collection();
                    $stylePairs = str_getcsv($srcElem->style,";");
                    foreach ($stylePairs as $pair)
                    {
                        if ($pair != "")
                        {
                            $pairArr = explode(":", $pair);
                            $styles->put(trim($pairArr[0]), ($pairArr[1]));
                        }
                    }

                    $setterName = "set" . ucfirst($prop->getName());
                    $control->$setterName($styles->get($annotation->name));
                               
                }                
            }            
            
        }
               
        $callbackCollection = ucfirst($event);    
        
        foreach ($control->$callbackCollection() as $callback)
        {           
            call_user_func($callback,$control);
        }

        $wkspc->setCurrentVersion($wkspc->getCurrentVersion()+1);
        
        //EnvironmentManager::getSession()
        //        ->setVar("pehm.workspace", $wkspc);
        
        $this->persistWorkspace($wkspc);        
        
        $result = new EventResult($wkspc->getChanges(),
                $wkspc->getCurrentVersion());
        
        $result->setInvokedBy($invokedBy);
        
        //echo json_encode($result);
        Application::notifyRaw($result);        
        
        
    }
    
    public function onEvent($name,$value,$event,$invokedBy)
    {
        $this->renderTemplate = false;
        
        //$wkspc = EnvironmentManager::getSession()->getVar("phem.workspace");
        
        $wkspc = $this->loadWorkspace("myWkspc", "\PhemDemo\Models\UI\MainWorkspace", $invokedBy);
        
        if (!($wkspc instanceof Workspace))
        {
            //TODO: if wkspc is null
            return;
        }
        
        $wkspc->changes = new Collection();        
        
        $control = $wkspc->findControl($name);
        $control->setValue($value);
        
        $callbackCollection = ucfirst($event);    
        
        foreach ($control->$callbackCollection() as $callback)
        {           
            call_user_func($callback,$control);
        }

        $wkspc->setCurrentVersion($wkspc->getCurrentVersion()+1);
        
        //EnvironmentManager::getSession()
         //       ->setVar("pehm.workspace", $wkspc);
        
        $this->persistWorkspace($wkspc);
        
        $result = new EventResult($wkspc->getChanges(),
                $wkspc->getCurrentVersion());
        
        $result->setInvokedBy($invokedBy);
        
        //echo json_encode($result);
        Application::notifyRaw($result);
    }
    
    protected function loadWorkspace($name, $className, $connectionId = null)
    {
        $applicationWorkspaces = Application::getVar("workspaces");
        
        if ($applicationWorkspaces != null)
        {
            foreach ($applicationWorkspaces as $wkspc)
            {
                /* @var $wkspc Workspace */
                if (($wkspc->getName() == $name)&&("\\".get_class($wkspc) == $className))
                {
                    return $wkspc;
                }
            }
        }
        
        $users = Application::getVar("users");
        
        $thisUser = null;
        
        if ($users != null)
        {
            foreach ($users as $userName => $user)
            {
                if ($userName == $this->loggedUser)
                {
                    $thisUser = $user;
                }
            }
        }
        
        if ($thisUser != null)
        {
            if ($user->workspaces != null)
            {
                foreach ($user->workspaces as $wkspc)
                {
                    /* @var $wkspc Workspace */
                    if (($wkspc->getName() == $name)&&("\\".get_class($wkspc) == $className))
                    {
                        return $wkspc;
                    }
                }                
            }
        }
        
        $sessionWorkspaces = EnvironmentManager::getSession()->getVar("workspaces");
        
        if ($sessionWorkspaces != null)
        {
            foreach ($sessionWorkspaces as $wkspc)
            {
                /* @var $wkspc Workspace */
                if (($wkspc->getName() == $name)&&("\\".get_class($wkspc) == $className))
                {
                    return $wkspc;
                }
            }
        }
        
        $thisConnection = null;
        if ($connectionId != null)
        {
            $connections = EnvironmentManager::getSession()->getVar("connections");
            
            if ($connections != null)
            {
                foreach ($connections as $id => $connection)
                {
                    if ($id == $connectionId)
                    {
                        $thisConnection = $connection;
                    }
                }
            }
        }
        
        if ($thisConnection != null)
        {
            foreach ($thisConnection->workspaces as $wkspc)
            {
                /* @var $wkspc Workspace */
                if (($wkspc->getName() == $name)&&("\\".get_class($wkspc) == $className))
                {
                    return $wkspc;
                }                
            }
        }
        
        $wkspc = new $className();
        $wkspc->setName($name);
        $this->persistWorkspace($wkspc);
        return $wkspc;
                
    }
    
    private function persistWorkspace(Workspace $wkspc)
    {
        switch ($wkspc->getScope())
        {
            case ScopeType::APPLICATION:
                $lock = Application::lockVarsWait();
                $workspaces = Application::getVar("workspaces");
                if ($workspaces == null) { $workspaces = new Collection(); }
                $workspaces->set($wkspc->getName(),$wkspc);
                Application::setVar("workspaces",$workspaces);
                $lock->unlock();
                break;
            case ScopeType::USER:
                $lock = Application::lockVarsWait();
                $users = Application::getVar("users");
                if ($users == null) 
                { 
                    $users = new Collection(); 
                }
                
                $foundUser = null;
                foreach ($users as $userName => $user)
                {
                    if ($userName == $this->loggedUser)
                    {
                        $foundUser = $user;
                    }
                }
                
                if ($foundUser == null)
                {
                    $foundUser = new stdClass();
                    $users->set($this->loggedUser,$foundUser);
                }
                
                if ($foundUser->workspaces == null)
                {
                    $foundUser->workspaces = new Collection(); 
                }
                
                $foundUser->workspaces->set($wkspc->getName(),$wkspc);

                Application::setVar("users",$foundUser);
                $lock->unlock();                
                break;
            default:
            case ScopeType::SESSION:
                $workspaces = EnvironmentManager::getSession()->getVar("workspaces");
                
                if ($workspaces == null)
                {
                    $workspaces = new Collection();
                }
                $workspaces->set($wkspc->getName(),$wkspc);
                
                EnvironmentManager::getSession()->setVar("workspaces",$workspaces);
                
                break;
            case ScopeType::CONNECTION:
                $connections = EnvironmentManager::getSession()->getVar("connections");
                if ($connections == null) 
                { 
                    $connections = new Collection(); 
                }
                
                $foundConn = null;
                foreach ($connections as $connId => $connection)
                {
                    if ($connId == $this->connectionId)
                    {
                        $foundConn = $connection;
                    }
                }
                
                if ($foundConn == null)
                {
                    $foundConn = new stdClass();
                    $connections->set($this->connectionId,$connection);
                }
                
                if ($foundConn->workspaces == null)
                {
                    $foundConn->workspaces = new Collection(); 
                }
                
                $foundConn->workspaces->set($wkspc->getName(),$wkspc);

                EnvironmentManager::getSession()->setVar("users",$foundUser);                
                break;            
        }
    }

}
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         WebSVN
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