class.ilSkillTreeNodeGUI.php

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<?php

/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once("./Services/Skill/classes/class.ilSkillTreeNode.php");

class ilSkillTreeNodeGUI
{
        var $node_object;
        var $in_use = false;
        var $use_checked = false;
        var $access;
        var $ref_id;

        function __construct($a_node_id = 0)
        {
                global $ilAccess;

                $this->node_object = null;
                $this->access = $ilAccess;
                $this->ref_id = (int) $_GET["ref_id"];

                if ($a_node_id > 0 &&
                        $this->getType() == ilSkillTreeNode::_lookupType($a_node_id))
                {
                        $this->readNodeObject((int) $a_node_id);
                }
        }

        function isInUse()
        {
                if (!is_object($this->node_object))
                {
                        return false;
                }
                if ($this->use_checked)
                {
                        return $this->in_use;
                }
                $cskill_ids = ilSkillTreeNode::getAllCSkillIdsForNodeIds(array($this->node_object->getId()));
                include_once("./Services/Skill/classes/class.ilSkillUsage.php");
                $u = new ilSkillUsage();
                $usages = $u->getAllUsagesInfoOfSubtrees($cskill_ids);
                if (count($usages) > 0)
                {
                        $this->in_use = true;
                } else
                {
                        $this->in_use = false;
                }
                return $this->in_use;
        }

        function checkPermissionBool($a_perm)
        {
                return $this->access->checkAccess($a_perm, "", $this->ref_id);
        }


        function setParentGUI($a_parentgui)
        {
                $this->parentgui = $a_parentgui;
        }

        function getParentGUI()
        {
                return $this->parentgui;
        }

        function readNodeObject($a_node_id)
        {
                include_once("./Services/Skill/classes/class.ilSkillTreeNodeFactory.php");
                $this->node_object = ilSkillTreeNodeFactory::getInstance($a_node_id);
        }
        
        function saveAllTitles()
        {
                global $ilCtrl;
                
                $this->getParentGUI()->saveAllTitles(false);
                $ilCtrl->redirect($this, "showOrganization");
        }

        function deleteNodes()
        {
                global $ilCtrl;

                $ilCtrl->setParameter($this, "backcmd", $_GET["backcmd"]);
                $this->getParentGUI()->deleteNodes($this);
        }

        function cutItems()
        {
                global $ilCtrl, $lng;

                include_once("./Services/Skill/classes/class.ilSkillTreeNode.php");

                if (!is_array($_POST["id"]) || count($_POST["id"]) == 0)
                {
                        $this->redirectToParent();
                }
                
                $items = ilUtil::stripSlashesArray($_POST["id"]);
                $todel = array();                       // delete IDs < 0 (needed for non-js editing)
                foreach($items as $k => $item)
                {
                        if ($item < 0)
                        {
                                $todel[] = $k;
                        }
                }
                foreach($todel as $k)
                {
                        unset($items[$k]);
                }

                if (!ilSkillTreeNode::uniqueTypesCheck($items))
                {
                        ilUtil::sendInfo($lng->txt("skmg_insert_please_choose_one_type_only"), true);
                        $this->redirectToParent();
                }

                ilSkillTreeNode::clipboardCut(1, $items);

                include_once("./Modules/LearningModule/classes/class.ilEditClipboard.php");
                ilEditClipboard::setAction("cut");

                ilUtil::sendInfo($lng->txt("skmg_selected_items_have_been_cut"), true);
                
                ilSkillTreeNode::saveChildsOrder((int) $_GET["obj_id"], array(),
                        $_GET["tmpmode"]);

                $this->redirectToParent();
        }

        function copyItems()
        {
                global $ilCtrl, $lng;

                if (!is_array($_POST["id"]) || count($_POST["id"]) == 0)
                {
                        $this->redirectToParent();
                }

                include_once("./Services/Skill/classes/class.ilSkillTreeNode.php");

                $items = ilUtil::stripSlashesArray($_POST["id"]);
                $todel = array();                               // delete IDs < 0 (needed for non-js editing)
                foreach($items as $k => $item)
                {
                        if ($item < 0)
                        {
                                $todel[] = $k;
                        }
                }
                foreach($todel as $k)
                {
                        unset($items[$k]);
                }
                if (!ilSkillTreeNode::uniqueTypesCheck($items))
                {
                        ilUtil::sendInfo($lng->txt("skmg_insert_please_choose_one_type_only"), true);
                        $this->redirectToParent();
                }
                ilSkillTreeNode::clipboardCopy(1, $items);

                // @todo: move this to a service since it can be used here, too
                include_once("./Modules/LearningModule/classes/class.ilEditClipboard.php");
                ilEditClipboard::setAction("copy");
                ilUtil::sendInfo($lng->txt("skmg_selected_items_have_been_copied"), true);

                $this->redirectToParent();
        }

        function cancelDelete()
        {
                global $ilCtrl;
                
                $this->redirectToParent();
        }

        function confirmedDelete()
        {
                global $ilCtrl;

                if (!$this->checkPermissionBool("write"))
                {
                        return;
                }

                $this->getParentGUI()->confirmedDelete(false);
                ilSkillTreeNode::saveChildsOrder((int) $_GET["obj_id"], array(),
                        $_GET["tmpmode"]);

                $this->redirectToParent();
        }

        function setLocator()
        {
                global $ilLocator, $tpl, $ilCtrl;
                
                $ilLocator->addRepositoryItems($_GET["ref_id"]);
                $this->getParentGUI()->addLocatorItems();
                
                if ($_GET["obj_id"] > 0)
                {
                        include_once("./Services/Skill/classes/class.ilSkillTree.php");
                        $tree = new ilSkillTree();
                        $path = $tree->getPathFull($_GET["obj_id"]);
                        for( $i =  1; $i < count($path); $i++)
                        {
                                switch($path[$i]["type"])
                                {
                                        case "scat":
                                                $ilCtrl->setParameterByClass("ilskillcategorygui", "obj_id",
                                                        $path[$i]["child"]);
                                                $ilLocator->addItem($path[$i]["title"],
                                                        $ilCtrl->getLinkTargetByClass("ilskillmanagementgui",
                                                        "ilskillcategorygui"), "", 0, $path[$i]["type"],
                                                        ilUtil::getImagePath("icon_skmg.svg"));
                                                break;

                                        case "skll":
                                                $ilCtrl->setParameterByClass("ilbasicskillgui", "obj_id",
                                                        $path[$i]["child"]);
                                                $ilLocator->addItem($path[$i]["title"],
                                                        $ilCtrl->getLinkTargetByClass("ilskillmanagementgui",
                                                        "ilbasicskillgui"), "", 0, $path[$i]["type"],
                                                        ilUtil::getImagePath("icon_skmg.svg"));
                                                break;
                                                
                                }
                        }
                }
                $ilCtrl->setParameter($this, "obj_id", $_GET["obj_id"]);
                
                $tpl->setLocator();
        }
        
        function setSkillNodeDescription()
        {
                global $tpl;
                
                if (is_object($this->node_object))
                {
                        include_once("./Services/Skill/classes/class.ilSkillTree.php");
                        $tree = new ilSkillTree();
                        $path = $this->node_object->skill_tree->getSkillTreePath($this->node_object->getId(),
                                        $this->tref_id);
                        $desc = "";
                        foreach ($path as $p)
                        {
                                if (in_array($p["type"], array("scat", "skll", "sktr")))
                                {
                                        $desc.= $sep.$p["title"];
                                        $sep = " > ";
                                }
                        }
                }
                $tpl->setDescription($desc);
        }

        function create()
        {
                global $tpl;
                
                $this->initForm("create");
                $tpl->setContent($this->form->getHTML());
        }
        
        function addStatusInput(ilPropertyFormGUI $a_form)
        {
                global $lng;

                // status
                $radg = new ilRadioGroupInputGUI($lng->txt("skmg_status"), "status");
                foreach (ilSkillTreeNode::getAllStatus() as $k => $op)
                {
                        $op = new ilRadioOption($op, $k, ilSkillTreeNode::getStatusInfo($k));
                        $radg->addOption($op);
                }
                $a_form->addItem($radg);
        }
        
        function editProperties()
        {
                global $tpl, $lng;

                if ($this->isInUse())
                {
                        ilUtil::sendInfo($lng->txt("skmg_skill_in_use"));
                }

                $this->initForm("edit");
                $this->getPropertyValues();
                $tpl->setContent($this->form->getHTML());
        }
        
        function getPropertyValues()
        {
                $values = array();
                
                $values["title"] = $this->node_object->getTitle();
                $values["order_nr"] = $this->node_object->getOrderNr();
                $values["self_eval"] = $this->node_object->getSelfEvaluation();
                $values["status"] = $this->node_object->getStatus();
                
                $this->form->setValuesByArray($values); 
    }
    
        public function save()
        {
                global $tpl, $lng, $ilCtrl;

                if (!$this->checkPermissionBool("write"))
                {
                        return;
                }

                $this->initForm("create");
                if ($this->form->checkInput())
                {
                        $this->saveItem();
                        ilUtil::sendSuccess($lng->txt("msg_obj_modified"), true);
                        ilSkillTreeNode::saveChildsOrder((int) $_GET["obj_id"], array(),
                                in_array($this->getType(), array("sktp", "sctp")));
                        $this->afterSave();
                }
                else
                {
                        $this->form->setValuesByPost();
                        $tpl->setContent($this->form->getHtml());
                }
        }
        
        function afterSave()
        {
                $this->redirectToParent();
        }
        
        
        public function update()
        {
                global $tpl, $lng, $ilCtrl;

                if (!$this->checkPermissionBool("write"))
                {
                        return;
                }

                $this->initForm("edit");
                if ($this->form->checkInput())
                {
                        $this->updateItem();
                        ilUtil::sendSuccess($lng->txt("msg_obj_modified"), true);
                        $this->afterUpdate();
                }
                else
                {
                        $this->form->setValuesByPost();
                        $tpl->setContent($this->form->getHtml());
                }
        }
        
        function afterUpdate()
        {
                global $ilCtrl;
                
                $ilCtrl->redirect($this, "editProperties");
        }
        
        public function initForm($a_mode = "edit")
        {
                global $lng, $ilCtrl;
        
                include_once("Services/Form/classes/class.ilPropertyFormGUI.php");
                $this->form = new ilPropertyFormGUI();
        
                // title
                $ti = new ilTextInputGUI($lng->txt("title"), "title");
                $ti->setMaxLength(200);
                $ti->setSize(50);
                $ti->setRequired(true);
                $this->form->addItem($ti);
                
                // order nr
                $ni = new ilNumberInputGUI($lng->txt("skmg_order_nr"), "order_nr");
                $ni->setMaxLength(6);
                $ni->setSize(6);
                $ni->setRequired(true);
                $this->form->addItem($ni);
                
                // save and cancel commands
                if ($this->checkPermissionBool("write"))
                {
                        if ($a_mode == "create")
                        {
                                $this->form->addCommandButton("save", $lng->txt("save"));
                                $this->form->addCommandButton("cancelSave", $lng->txt("cancel"));
                                $this->form->setTitle($lng->txt("skmg_create_" . $this->getType()));
                        } else
                        {
                                $this->form->addCommandButton("update", $lng->txt("save"));
                                $this->form->setTitle($lng->txt("skmg_edit_" . $this->getType()));
                        }
                }
                
                $ilCtrl->setParameter($this, "obj_id", $_GET["obj_id"]);
                $this->form->setFormAction($ilCtrl->getFormAction($this));

        }

        function cancelSave()
        {
                $this->redirectToParent();
        }

        function redirectToParent($a_tmp_mode = false)
        {
                global $ilCtrl;
                
                if ($_GET["tmpmode"])
                {
                        $a_tmp_mode = true;
                }
                
                $t = ilSkillTreeNode::_lookupType((int) $_GET["obj_id"]);

                switch ($t)
                {
                        case "skrt":
                                $ilCtrl->setParameterByClass("ilskillrootgui", "obj_id", (int) $_GET["obj_id"]);
                                if ($a_tmp_mode)
                                {
                                        $ilCtrl->redirectByClass("ilskillrootgui", "listTemplates");
                                }
                                else
                                {
                                        $ilCtrl->redirectByClass("ilskillrootgui", "listSkills");
                                }
                                break;

                        case "sctp":
                                $ilCtrl->setParameterByClass("ilskilltemplatecategorygui", "obj_id", (int) $_GET["obj_id"]);
                                $ilCtrl->redirectByClass("ilskilltemplatecategorygui", "listItems");
                                break;

                        case "scat":
                                $ilCtrl->setParameterByClass("ilskillcategorygui", "obj_id", (int) $_GET["obj_id"]);
                                $ilCtrl->redirectByClass("ilskillcategorygui", "listItems");
                                break;
                } 
                
        }
        
        function saveOrder()
        {
                global $ilCtrl, $lng;

                if (!$this->checkPermissionBool("write"))
                {
                        return;
                }

                ilSkillTreeNode::saveChildsOrder((int) $_GET["obj_id"], $_POST["order"],
                        (int) $_GET["tmpmode"]);
                ilUtil::sendSuccess($lng->txt("msg_obj_modified"), true);
                $this->redirectToParent((int) $_GET["tmpmode"]);
        }

        function insertBasicSkillClip()
        {
                global $ilCtrl, $ilUser;

                include_once("./Services/Skill/classes/class.ilSkillTreeNode.php");
                $nodes = ilSkillTreeNode::insertItemsFromClip("skll", (int) $_GET["obj_id"]);
                $this->redirectToParent();
        }

        function insertSkillCategoryClip()
        {
                global $ilCtrl, $ilUser;

                include_once("./Services/Skill/classes/class.ilSkillTreeNode.php");
                $nodes = ilSkillTreeNode::insertItemsFromClip("scat", (int) $_GET["obj_id"]);
                $this->redirectToParent();
        }
        
        function insertTemplateReferenceClip()
        {
                global $ilCtrl, $ilUser;

                include_once("./Services/Skill/classes/class.ilSkillTreeNode.php");
                $nodes = ilSkillTreeNode::insertItemsFromClip("sktr", (int) $_GET["obj_id"]);
                $this->redirectToParent();
        }
        
        function insertSkillTemplateClip()
        {
                global $ilCtrl, $ilUser;

                include_once("./Services/Skill/classes/class.ilSkillTreeNode.php");
                $nodes = ilSkillTreeNode::insertItemsFromClip("sktp", (int) $_GET["obj_id"]);
                $this->redirectToParent();
        }

        function insertTemplateCategoryClip()
        {
                global $ilCtrl, $ilUser;

                include_once("./Services/Skill/classes/class.ilSkillTreeNode.php");
                $nodes = ilSkillTreeNode::insertItemsFromClip("sctp", (int) $_GET["obj_id"]);
                $this->redirectToParent();
        }
        
        function setTitleIcon()
        {
                global $tpl;
                
                $obj_id = (is_object($this->node_object))
                        ? $this->node_object->getId()
                        :0;
                $tpl->setTitleIcon(
                        ilSkillTreeNode::getIconPath(
                        $obj_id, $this->getType(), "",
                        (ilSkillTreeNode::_lookupStatus($obj_id) == ilSkillTreeNode::STATUS_DRAFT)));
        }


        function addUsageTab($a_tabs)
        {
                global $lng, $ilCtrl;

                $a_tabs->addTab("usage",
                        $lng->txt("skmg_usage"),
                        $ilCtrl->getLinkTarget($this, "showUsage"));
        }


        function showUsage()
        {
                global $tpl;

                $this->setTabs("usage");

                include_once("./Services/Skill/classes/class.ilSkillUsage.php");
                $usage_info = new ilSkillUsage();
                $base_skill_id = ($this->base_skill_id > 0)
                        ? $this->base_skill_id
                        : $this->node_object->getId();
                $usages = $usage_info->getAllUsagesInfoOfSubtree($base_skill_id.":".$this->tref_id);

                $html = "";
                include_once("./Services/Skill/classes/class.ilSkillUsageTableGUI.php");
                foreach ($usages as $k => $usage)
                {
                        $tab = new ilSkillUsageTableGUI($this, "showUsage", $k, $usage);
                        $html.= $tab->getHTML()."<br/><br/>";
                }

                $tpl->setContent($html);
        }
        
        function exportSelectedNodes()
        {
                global $ilCtrl;

                if (!is_array($_POST["id"]) || count($_POST["id"]) == 0)
                {
                        $this->redirectToParent();
                }

                include_once("./Services/Export/classes/class.ilExport.php");
                $exp = new ilExport();
                $conf = $exp->getConfig("Services/Skill");
                $conf->setSelectedNodes($_POST["id"]);
                $exp->exportObject("skmg", ilObject::_lookupObjId((int) $_GET["ref_id"]));

                $ilCtrl->redirectByClass(array("iladministrationgui", "ilobjskillmanagementgui", "ilexportgui"), "");
        }
        

}
?>