class.ilPersonalWorkspaceGUI.php

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<?php

/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilPersonalWorkspaceGUI
{
        protected $tree; // [ilTree]
        protected $node_id; // [int]
        
        public function __construct()
        {
                global $ilCtrl, $lng, $ilHelp;

                $lng->loadLanguageModule("wsp");

                $this->initTree();

                $ilCtrl->saveParameter($this, "wsp_id");

                $this->node_id = $_REQUEST["wsp_id"];
                if(!$this->node_id)
                {
                        $this->node_id = $this->tree->getRootId();
                }
        }
        
        public function executeCommand()
        {
                global $ilCtrl, $lng, $objDefinition, $tpl;

                $ilCtrl->setReturn($this, "render");            
                $cmd = $ilCtrl->getCmd();

                // new type
                if($_REQUEST["new_type"])
                {
                        $class_name = $objDefinition->getClassName($_REQUEST["new_type"]);

                        // Only set the fixed cmdClass if the next class is different to
                        // the GUI class of the new object.
                        // An example:
                        // ilObjLinkResourceGUI tries to forward to ilLinkInputGUI (adding an internal link
                        // when creating a link resource)
                        // Without this fix, the cmdClass ilObjectCopyGUI would never be reached
                        if (strtolower($ilCtrl->getNextClass($this)) != strtolower("ilObj".$class_name."GUI"))
                        {
                                $ilCtrl->setCmdClass("ilObj".$class_name."GUI");
                        }
                }

                // root node
                $next_class = $ilCtrl->getNextClass();          
                if(!$next_class)
                {
                        $node = $this->tree->getNodeData($this->node_id);
                        $next_class = "ilObj".$objDefinition->getClassName($node["type"])."GUI";
                        $ilCtrl->setCmdClass($next_class);
                }
                
                //  if we do this here the object can still change the breadcrumb
                $this->renderLocator();         
                
                // current node
                $class_path = $ilCtrl->lookupClassPath($next_class);
                include_once($class_path);
                $class_name = $ilCtrl->getClassForClasspath($class_path);
                if($_REQUEST["new_type"])
                {
                        $gui = new $class_name(null, ilObject2GUI::WORKSPACE_NODE_ID, $this->node_id);
                        $gui->setCreationMode();
                }
                else
                {
                        $gui = new $class_name($this->node_id, ilObject2GUI::WORKSPACE_NODE_ID, false);
                }
                $ilCtrl->forwardCommand($gui);          
                
                $this->renderBack();
                $tpl->setLocator();
        }

        protected function initTree()
        {
                global $ilUser;

                $user_id = $ilUser->getId();

                include_once "Services/PersonalWorkspace/classes/class.ilWorkspaceTree.php";
                $this->tree = new ilWorkspaceTree($user_id);
                if(!$this->tree->getRootId())
                {
                        $this->tree->createTreeForUser($user_id);
                }
        }

        protected function renderBack()
        {
                global $lng, $ilTabs, $ilCtrl, $ilUser;
                
                $root = $this->tree->getNodeData($this->node_id);
                if($root["type"] != "wfld" && $root["type"] != "wsrt")
                {
                        // do not override existing back targets, e.g. public user profile gui
                        if(!$ilTabs->back_target)
                        {
                                $owner = $this->tree->lookupOwner($this->node_id);
                                // workspace
                                if($owner == $ilUser->getId())
                                {
                                        $parent = $this->tree->getParentNodeData($this->node_id);                               
                                        if($parent["wsp_id"])
                                        {
                                                if($parent["type"] == "wsrt")
                                                {
                                                        $class = "ilobjworkspacerootfoldergui";
                                                }
                                                else
                                                {
                                                        $class = "ilobjworkspacefoldergui";
                                                }
                                                $ilCtrl->setParameterByClass($class, "wsp_id", $parent["wsp_id"]);
                                                $ilTabs->setBackTarget($lng->txt("back"),
                                                        $ilCtrl->getLinkTargetByClass($class, ""));
                                        }
                                }
                                // "shared by others"
                                else
                                {
                                        $ilCtrl->setParameterByClass("ilobjworkspacerootfoldergui", "wsp_id", "");
                                        $ilCtrl->setParameterByClass("ilobjworkspacerootfoldergui", "user", $owner);
                                        $ilTabs->setBackTarget($lng->txt("back"),
                                                $ilCtrl->getLinkTargetByClass("ilobjworkspacerootfoldergui", "share"));
                                }                               
                        }
                }
        }
        
        protected function renderLocator()
        {
                global $lng, $ilCtrl, $ilLocator, $tpl, $objDefinition;

                $ilLocator->clearItems();
                
                // we have no path if shared item
                $path = $this->tree->getPathFull($this->node_id);
                if($path)
                {
                        foreach($path as $node)
                        {
                                $obj_class = "ilObj".$objDefinition->getClassName($node["type"])."GUI";

                                $ilCtrl->setParameter($this, "wsp_id", $node["wsp_id"]);

                                switch($node["type"])
                                {                       
                                        case "wsrt":
                                                $ilLocator->addItem($lng->txt("wsp_personal_workspace"), $ilCtrl->getLinkTargetByClass($obj_class, "render"));
                                                break;

                                        case "blog":
                                        case $objDefinition->isContainer($node["type"]):
                                                $ilLocator->addItem($node["title"], $ilCtrl->getLinkTargetByClass($obj_class, "render"));
                                                break;

                                        default:
                                                $ilLocator->addItem($node["title"], $ilCtrl->getLinkTargetByClass($obj_class, "edit"));
                                                break;
                                }
                        }
                }

                $ilCtrl->setParameter($this, "wsp_id", $this->node_id);
        }
}

?>