class.ilObjTaxonomyGUI.php

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<?php
/* Copyright (c) 1998-2012 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once "./Services/Object/classes/class.ilObject2GUI.php";
require_once "./Services/Taxonomy/classes/class.ilObjTaxonomy.php";
include_once("./Services/Taxonomy/interfaces/interface.ilTaxAssignedItemInfo.php");

class ilObjTaxonomyGUI extends ilObject2GUI
{
        protected $multiple = false;
        protected $assigned_item_sorting = false;
        
        function __construct($a_id = 0)
        {
                global $ilCtrl;
                
                parent::__construct($a_id, ilObject2GUI::OBJECT_ID);
                
                $ilCtrl->saveParameter($this, "tax_node");
                $ilCtrl->saveParameter($this, "tax_id");
        }
        
        function getType()
        {
                return "tax";
        }

        function setAssignedObject($a_val)
        {
                $this->assigned_object_id = $a_val;
        }
        
        function getAssignedObject()
        {
                return $this->assigned_object_id;
        }
        
        function setMultiple($a_val)
        {
                $this->multiple = $a_val;
        }
        
        function getMultiple()
        {
                return $this->multiple;
        }
        
        function activateAssignedItemSorting(ilTaxAssignedItemInfo $a_item_info_obj, $a_component_id, $a_obj_id, $a_item_type)
        {
                $this->assigned_item_sorting = true;
                $this->assigned_item_info_obj = $a_item_info_obj;
                $this->assigned_item_comp_id = $a_component_id;
                $this->assigned_item_obj_id = $a_obj_id;
                $this->assigned_item_type = $a_item_type;
        }
        
        
        function executeCommand()
        {
                global $ilCtrl, $ilUser, $ilTabs;
                
                $next_class = $ilCtrl->getNextClass();

                switch ($next_class)
                {
                        default:
                                $cmd = $ilCtrl->getCmd("listTaxonomies");
                                $this->$cmd();
                                break;
                }
        }
        
        protected function initCreationForms()
        {
                $forms = array();
                
                $forms = array(
                        self::CFORM_NEW => $this->initCreateForm("tax")
                        );
                
                return $forms;
        }

        
        
        function editAOTaxonomySettings()
        {
                global $ilToolbar, $ilCtrl, $lng;
                
                
//              if (count($tax_ids) != 0 && !$this->getMultiple())
//              {
//                      $this->listNodes();
//              }
//              else if ($this->getMultiple())
//              {
                        $this->listTaxonomies();
//              }
                
                // currently we support only one taxonomy, otherwise we may need to provide
                // a list here
                
        }
        
        function getCurrentTaxonomyId()
        {
                $tax_ids = ilObjTaxonomy::getUsageOfObject($this->getAssignedObject());
                $tax_id = (int) $_GET["tax_id"]; 
                if (in_array($tax_id, $tax_ids))
                {
                        return $tax_id;
                }
                return false;
        }
        
        
        function getCurrentTaxonomy()
        {
                $tax_id = $this->getCurrentTaxonomyId();
                if ($tax_id > 0)
                {
                        $tax = new ilObjTaxonomy($tax_id);
                        return $tax;
                }
                
                return false;
        }
        
        
        function listNodes()
        {
                global $tpl, $ilToolbar, $lng, $ilCtrl;
                
                $tax = $this->getCurrentTaxonomy();
                
                $this->setTabs("list_items");
                
                // show toolbar
                $ilToolbar->setFormAction($ilCtrl->getFormAction($this));
                $ilToolbar->addFormButton($lng->txt("tax_create_node"), "createTaxNode");
                
                $ilToolbar->setCloseFormTag(false);
                
                
                // show tree
                $this->showTree();
                
                // show subitems
                include_once("./Services/Taxonomy/classes/class.ilTaxonomyTableGUI.php");
                $table = new ilTaxonomyTableGUI($this, "listNodes", $tax->getTree(),
                        (int) $_GET["tax_node"], $this->getCurrentTaxonomy());
                $table->setOpenFormTag(false);

                $tpl->setContent($table->getHTML());
        }
        
        
        function createAssignedTaxonomy()
        {
                $this->create();
        }
        
        
        protected function checkPermissionBool($a_perm, $a_cmd = "", $a_type = "", $a_node_id = null)
        {
                if ($this->getAssignedObject() > 0)
                {
                        return true;
                }
                else
                {
                        return parent::checkPermissionBool($a_perm, $a_cmd, $a_type, $a_node_id);
                }
        }
        
        function cancel()
        {
                global $ilCtrl;
                
                if ($this->getAssignedObject() > 0)
                {
                        $ilCtrl->redirect($this, "listTaxonomies");
                }
                
                return parent::cancel();
        }
        
        function save()
        {
                global $ilCtrl;
                
                if ($this->getAssignedObject() > 0)
                {
                        $_REQUEST["new_type"] = "tax";
                }
                
                parent::saveObject();
        }
        
        protected function afterSave(ilObject $a_new_object)
        {
                global $ilCtrl, $lng;

                if ($this->getAssignedObject() > 0)
                {
                        ilObjTaxonomy::saveUsage($a_new_object->getId(),
                                $this->getAssignedObject());
                        $ilCtrl->setParameter($this, "tax_id", $a_new_object->getId());
                        ilUtil::sendSuccess($lng->txt("tax_added"), true);
                        $ilCtrl->redirect($this, "editSettings");
                }
        }

        function showTree($a_ass_items = false)
        {
                global $ilUser, $tpl, $ilCtrl, $lng;

                $tax = $this->getCurrentTaxonomy();
                
                include_once("./Services/Taxonomy/classes/class.ilTaxonomyExplorerGUI.php");
                $cmd = $a_ass_items
                        ? "listAssignedItems"
                        : "listNodes";
                $tax_exp = new ilTaxonomyExplorerGUI($this, "showTree", $tax->getId(),
                        "ilobjtaxonomygui", $cmd);
                if (!$tax_exp->handleCommand())
                {
                        //$tpl->setLeftNavContent($tax_exp->getHTML());
                        $tpl->setLeftContent($tax_exp->getHTML()."&nbsp;");
                }
                return;
        }
        
        static function getTreeHTML($a_tax_id, $a_class, $a_cmd,
                $a_target_class, $a_target_cmd, $a_root_node_title = "")
        {
die("ilObjTaxonomyGUI::getTreeHTML is deprecated.");
                include_once("./Services/Taxonomy/classes/class.ilTaxonomyExplorerGUI.php");
                $tax_exp = new ilTaxonomyExplorerGUI($a_class, $a_cmd, $a_tax_id,
                        $a_target_class, $a_target_cmd);
                if (!$tax_exp->handleCommand())
                {
                        return $tax_exp->getHTML()."&nbsp;";
                }
                return;
        }
        

        function createTaxNode()
        {
                global $tpl, $ilHelp;

                $this->setTabs("list_items");
                $ilHelp->setSubScreenId("create_node");
                
                $this->initTaxNodeForm("create");
                $tpl->setContent($this->form->getHTML());
        }
        
        
        public function initTaxNodeForm($a_mode = "edit")
        {
                global $lng, $ilCtrl;
        
                include_once("Services/Form/classes/class.ilPropertyFormGUI.php");
                $this->form = new ilPropertyFormGUI();

                // title
                $ti = new ilTextInputGUI($this->lng->txt("title"), "title");
                $this->form->addItem($ti);
                
                // order nr
                $tax = $this->getCurrentTaxonomy();
                if ($tax->getSortingMode() == ilObjTaxonomy::SORT_MANUAL)
                {
                        $or = new ilTextInputGUI($this->lng->txt("tax_order_nr"), "order_nr");
                        $or->setMaxLength(5);
                        $or->setSize(5);
                        $this->form->addItem($or);
                }
                
                if ($a_mode == "edit")
                {
                        $node = new ilTaxonomyNode((int) $_GET["tax_node"]);
                        $ti->setValue($node->getTitle());
                        $or->setValue($node->getOrderNr());
                }
                
                // save and cancel commands
                if ($a_mode == "create")
                {
                        $this->form->addCommandButton("saveTaxNode", $lng->txt("save"));
                        $this->form->addCommandButton("listNodes", $lng->txt("cancel"));
                        $this->form->setTitle($lng->txt("tax_new_tax_node"));
                }
                else
                {
                        $this->form->addCommandButton("updateTaxNode", $lng->txt("save"));
                        $this->form->addCommandButton("listNodes", $lng->txt("cancel"));
                        $this->form->setTitle($lng->txt("tax_edit_tax_node"));
                }
                        
                $this->form->setFormAction($ilCtrl->getFormAction($this));
         
        }
        
        public function saveTaxNode()
        {
                global $tpl, $lng, $ilCtrl;
        
                $this->initTaxNodeForm("create");
                if ($this->form->checkInput())
                {
                        $tax = $this->getCurrentTaxonomy();
                        
                        // create node
                        include_once("./Services/Taxonomy/classes/class.ilTaxonomyNode.php");
                        $node = new ilTaxonomyNode();
                        $node->setTitle($this->form->getInput("title"));
                        
                        $tax = $this->getCurrentTaxonomy();
                        if ($tax->getSortingMode() == ilObjTaxonomy::SORT_MANUAL)
                        {
                                $order_nr = $this->form->getInput("order_nr");
                        }
                        if ($order_nr === "")
                        {
                                $order_nr = ilTaxonomyNode::getNextOrderNr($tax->getId(), (int) $_GET["tax_node"]);
                        }
        //echo $order_nr; exit;
                        $node->setOrderNr($order_nr);
                        $node->setTaxonomyId($tax->getId());
                        $node->create();
                        
                        // put in tree
                        ilTaxonomyNode::putInTree($tax->getId(), $node, (int) $_GET["tax_node"]);
                        
                        ilTaxonomyNode::fixOrderNumbers($tax->getId(), (int) $_GET["tax_node"]);
                        
                        ilUtil::sendSuccess($lng->txt("msg_obj_modified"), true);
                        $ilCtrl->redirect($this, "listNodes");
                }
                else
                {
                        $this->form->setValuesByPost();
                        $tpl->setContent($this->form->getHtml());
                }
        }
        
        
        function updateTaxNode()
        {
                global $lng, $ilCtrl, $tpl;
                
                $this->initTaxNodeForm("edit");
                if ($this->form->checkInput())
                {
                        // create node
                        $node = new ilTaxonomyNode($_GET["tax_node"]);
                        $node->setTitle($this->form->getInput("title"));

                        $tax = $this->getCurrentTaxonomy();
                        if ($tax->getSortingMode() == ilObjTaxonomy::SORT_MANUAL)
                        {
                                $node->setOrderNr($this->form->getInput("order_nr"));
                        }

                        $node->update();

                        ilUtil::sendInfo($lng->txt("msg_obj_modified"), true);
                        $ilCtrl->redirect($this, "");
                }
                else
                {
                        $this->form->setValuesByPost();
                        $tpl->setContent($this->form->getHtml());
                }
        }
        
        function deleteItems()
        {
                global $lng, $tpl, $ilCtrl, $ilTabs, $ilHelp;

                if(!isset($_POST["id"]))
                {
                        $this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
                }

                $this->setTabs("list_items");
                $ilHelp->setSubScreenId("del_items");

//              $ilTabs->clearTargets();
                
                include_once("./Services/Utilities/classes/class.ilConfirmationGUI.php");
                $confirmation_gui = new ilConfirmationGUI();

                $confirmation_gui->setFormAction($ilCtrl->getFormAction($this));
                $confirmation_gui->setHeaderText($this->lng->txt("info_delete_sure"));

                // Add items to delete
                include_once("./Services/Taxonomy/classes/class.ilTaxonomyNode.php");
                foreach($_POST["id"] as $id)
                {
                        $confirmation_gui->addItem("id[]", $id,
                                ilTaxonomyNode::_lookupTitle($id));
                }

                $confirmation_gui->setCancel($lng->txt("cancel"), "listNodes");
                $confirmation_gui->setConfirm($lng->txt("confirm"), "confirmedDelete");

                $tpl->setContent($confirmation_gui->getHTML());
        }

        function confirmedDelete()
        {
                global $ilCtrl;
                
                include_once("./Services/Taxonomy/classes/class.ilTaxonomyNode.php");

                // delete all selected objects
                foreach ($_POST["id"] as $id)
                {
                        $node = new ilTaxonomyNode($id);
                        $tax = new ilObjTaxonomy($node->getTaxonomyId());
                        $tax_tree = $tax->getTree();
                        $node_data = $tax_tree->getNodeData($id);
                        if (is_object($node))
                        {
                                $node->delete();
                        }
                        if($tax_tree->isInTree($id))
                        {
                                $tax_tree->deleteTree($node_data);
                        }
                        ilTaxonomyNode::fixOrderNumbers($node->getTaxonomyId(), $node_data["parent"]);
                }

                // feedback
                ilUtil::sendInfo($this->lng->txt("info_deleted"),true);
                
                $ilCtrl->redirect($this, "listNodes");
        }

        function saveSorting()
        {
                global $ilCtrl, $lng;
                
                // save sorting
                include_once("./Services/Taxonomy/classes/class.ilTaxonomyNode.php");
                if (is_array($_POST["order"]))
                {
//                      asort($_POST["order"]);
//                      $cnt = 10;
                        foreach ($_POST["order"] as $k => $v)
                        {
                                ilTaxonomyNode::writeOrderNr(ilUtil::stripSlashes($k), $v);
                                ilTaxonomyNode::fixOrderNumbers($this->getCurrentTaxonomyId(), (int) $_GET["tax_node"]);
//                              $cnt+= 10;
                        }
                }
                
                // save titles
                if (is_array($_POST["title"]))
                {
                        foreach ($_POST["title"] as $k => $v)
                        {
                                ilTaxonomyNode::writeTitle((int) $k,
                                        ilUtil::stripSlashes($v));
                        }
                }

                
                ilUtil::sendSuccess($lng->txt("msg_obj_modified"));
                $ilCtrl->redirect($this, "listNodes");
        }
        
        function moveItems()
        {
                global $tpl, $ilCtrl, $lng, $ilToolbar, $ilHelp;

                $this->setTabs("list_items");
                $ilHelp->setSubScreenId("move_items");

                $ilToolbar->addButton($lng->txt("cancel"),
                        $ilCtrl->getLinkTarget($this, "listNodes"));
                
                ilUtil::sendInfo($lng->txt("tax_please_select_target"));
                
                if (is_array($_POST["id"]))
                {
                        $ilCtrl->setParameter($this, "move_ids", implode($_POST["id"], ","));
                        
                        global $ilUser, $tpl, $ilCtrl, $lng;

                        include_once("./Services/Taxonomy/classes/class.ilTaxonomyExplorerGUI.php");
                        $tax_exp = new ilTaxonomyExplorerGUI($this, "moveItems", $this->getCurrentTaxonomy()->getId(),
                                "ilobjtaxonomygui", "pasteItems");
                        if (!$tax_exp->handleCommand())
                        {
                                //$tpl->setLeftNavContent($tax_exp->getHTML());
                                $tpl->setContent($tax_exp->getHTML()."&nbsp;");
                        }
                }
        }
        
        function pasteItems()
        {
                global $lng, $ilCtrl;
//var_dump($_GET);
//var_dump($_POST);
                if ($_GET["move_ids"] != "")
                {
                        $move_ids = explode(",", $_GET["move_ids"]);
                        $tax = $this->getCurrentTaxonomy();
                        $tree = $tax->getTree();
                        
                        include_once("./Services/Taxonomy/classes/class.ilTaxonomyNode.php");
                        $target_node = new ilTaxonomyNode((int) $_GET["tax_node"]);
                        foreach ($move_ids as $m_id)
                        {
                                // cross check taxonomy
                                $node = new ilTaxonomyNode((int) $m_id);
                                if ($node->getTaxonomyId() == $tax->getId() &&
                                        ($target_node->getTaxonomyId() == $tax->getId() ||
                                        $target_node->getId() == $tree->readRootId()))
                                {
                                        // check if target is not within the selected nodes
                                        if($tree->isGrandChild((int) $m_id, $target_node->getId()))
                                        {
                                                ilUtil::sendFailure($lng->txt("tax_target_within_nodes"), true);
                                                $this->ctrl->redirect($this, "listNodes");
                                        }
                                        
                                        // if target is not current place, move
                                        $parent_id = $tree->getParentId((int) $m_id);
                                        if ($parent_id != $target_node->getId())
                                        {
                                                $tree->moveTree((int) $m_id, $target_node->getId());
                                                ilTaxonomyNode::fixOrderNumbers($tax->getId(), $target_node->getId());
                                                ilTaxonomyNode::fixOrderNumbers($tax->getId(), $parent_id);
                                        }
                                }
                        }
                }

                ilUtil::sendSuccess($lng->txt("msg_obj_modified"), true);
                $ilCtrl->redirect($this, "listNodes");
        }
        
        function confirmDeleteTaxonomy()
        {
                global $ilCtrl, $tpl, $lng;

                $tax = $this->getCurrentTaxonomy();
                
                include_once("./Services/Utilities/classes/class.ilConfirmationGUI.php");
                $cgui = new ilConfirmationGUI();
                $cgui->setFormAction($ilCtrl->getFormAction($this));
                $cgui->setHeaderText($lng->txt("tax_confirm_deletion"));
                $cgui->setCancel($lng->txt("cancel"), "listTaxonomies");
                $cgui->setConfirm($lng->txt("delete"), "deleteTaxonomy");
                
                $cgui->addItem("id[]", $i, $tax->getTitle());
                
                $tpl->setContent($cgui->getHTML());
        }
        
        function deleteTaxonomy()
        {
                global $ilCtrl, $lng;
                
                $tax = $this->getCurrentTaxonomy();
                $tax->delete();
                
                ilUtil::sendSuccess($lng->txt("tax_tax_deleted"), true);
                $ilCtrl->redirect($this, "listTaxonomies");
        }

        function listTaxonomies()
        {
                global $tpl, $ilToolbar, $lng, $ilCtrl;
                
                $tax_ids = ilObjTaxonomy::getUsageOfObject($this->getAssignedObject());
                if (count($tax_ids) == 0 || $this->getMultiple())
                {
                        $ilToolbar->addButton($lng->txt("tax_add_taxonomy"),
                                $ilCtrl->getLinkTarget($this, "createAssignedTaxonomy"));
                }
                else
                {
                        ilUtil::sendInfo($lng->txt("tax_max_one_tax"));
                }
                
                include_once("./Services/Taxonomy/classes/class.ilTaxonomyListTableGUI.php");
                
                $tab = new ilTaxonomyListTableGUI($this, "listTaxonomies", $this->getAssignedObject());
                
                $tpl->setContent($tab->getHTML());
        }
        
        function setTabs($a_id)
        {
                global $ilTabs, $ilCtrl, $tpl, $lng, $ilHelp;
                
                $ilTabs->clearTargets();

                $ilHelp->setScreenIdComponent("tax");

                $tpl->setTitle(ilObject::_lookupTitle($this->getCurrentTaxonomyId()));
                $tpl->setTitleIcon(ilUtil::getImagePath("icon_tax_b.png"));
                
                $ilTabs->setBackTarget($lng->txt("back"),
                        $ilCtrl->getLinkTarget($this, "listTaxonomies"));
                
                $ilTabs->addTab("list_items", $lng->txt("tax_nodes"),
                        $ilCtrl->getLinkTarget($this, "listNodes"));
                if ($this->assigned_item_sorting)
                {
                        $ilTabs->addTab("ass_items", $lng->txt("tax_assigned_items"),
                                $ilCtrl->getLinkTarget($this, "listAssignedItems"));
                }
                $ilTabs->addTab("settings", $lng->txt("settings"),
                        $ilCtrl->getLinkTarget($this, "editSettings"));
                
                $ilTabs->activateTab($a_id);
        }
        
        function editSettings()
        {
                global $tpl;
                
                $this->setTabs("settings");
                
                $form = $this->initSettingsForm();
                $tpl->setContent($form->getHTML());
        }
        
        public function initSettingsForm()
        {
                global $lng, $ilCtrl;
        
                $tax = $this->getCurrentTaxonomy();
                
                include_once("Services/Form/classes/class.ilPropertyFormGUI.php");
                $form = new ilPropertyFormGUI();
        
                // title
                $ti = new ilTextInputGUI($lng->txt("title"), "title");
                $ti->setMaxLength(200);
                $form->addItem($ti);
                $ti->setValue($tax->getTitle());
                
                // description
                $ta = new ilTextAreaInputGUI($lng->txt("description"), "description");
                //$ta->setCols();
                //$ta->setRows();
                $form->addItem($ta);
                $ta->setValue($tax->getDescription());

                // sorting
                $options = array(
                        ilObjTaxonomy::SORT_ALPHABETICAL => $lng->txt("tax_alphabetical"),
                        ilObjTaxonomy::SORT_MANUAL => $lng->txt("tax_manual")
                        );
                $si = new ilSelectInputGUI($lng->txt("tax_node_sorting"), "sorting");
                $si->setOptions($options);
                $form->addItem($si);
                $si->setValue($tax->getSortingMode());
                
                // assigned item sorting
                if ($this->assigned_item_sorting)
                {
                        $cb = new ilCheckboxInputGUI($lng->txt("tax_item_sorting"), "item_sorting");
                        $cb->setChecked($tax->getItemSorting());
                        $form->addItem($cb);
                }
        
                $form->addCommandButton("updateSettings", $lng->txt("save"));
                        
                $form->setTitle($lng->txt("settings"));
                $form->setFormAction($ilCtrl->getFormAction($this));
                
                return $form;
        }
        
        public function updateSettings()
        {
                global $tpl, $lng, $ilCtrl;
        
                $form = $this->initSettingsForm();
                if ($form->checkInput())
                {
                        $tax = $this->getCurrentTaxonomy();
                        $tax->setTitle($form->getInput("title"));
                        $tax->setDescription($form->getInput("description"));
                        $tax->setSortingMode($form->getInput("sorting"));
                        $tax->setItemSorting($form->getInput("item_sorting"));
                        $tax->update();

                        ilUtil::sendSuccess($lng->txt("msg_obj_modified"), true);
                        $ilCtrl->redirect($this, "editSettings");
                }
                else
                {
                        $form->setValuesByPost();
                        $tpl->setContent($form->getHtml());
                }
        }
        
        function listAssignedItems()
        {
                global $tpl, $ilToolbar, $lng, $ilCtrl;
                
                $tax = $this->getCurrentTaxonomy();
                
                $this->setTabs("ass_items");
                                
                // show tree
                $this->showTree(true);
                
                // list assigned items
                include_once("./Services/Taxonomy/classes/class.ilTaxAssignedItemsTableGUI.php");
                $table = new ilTaxAssignedItemsTableGUI($this, "listAssignedItems",
                        (int) $_GET["tax_node"], $this->getCurrentTaxonomy(), $this->assigned_item_comp_id,
                        $this->assigned_item_obj_id, $this->assigned_item_type, $this->assigned_item_info_obj);

                $tpl->setContent($table->getHTML());
        }

        function saveAssignedItemsSorting()
        {
                global $lng, $ilCtrl;
                
                include_once("./Services/Taxonomy/classes/class.ilTaxNodeAssignment.php");
                if (is_array($_POST["order"]))
                {
                        $order = $_POST["order"];
                        //asort($order, SORT_NUMERIC);
                        //$cnt = 10;
                        $tax_node = (int) $_GET["tax_node"];
                        foreach ($order as $a_item_id => $ord_nr)
                        {
                                $tax_ass = new ilTaxNodeAssignment($this->assigned_item_comp_id,
                                        $this->assigned_item_obj_id,
                                        $this->assigned_item_type, $this->getCurrentTaxonomyId());
                                $tax_ass->setOrderNr($tax_node, $a_item_id, $ord_nr);
                                //$cnt+= 10;
                        }
                        $tax_ass = new ilTaxNodeAssignment($this->assigned_item_comp_id,
                                $this->assigned_item_obj_id,
                                $this->assigned_item_type, $this->getCurrentTaxonomyId());
                        $tax_ass->fixOrderNr($tax_node);
                        ilUtil::sendSuccess($lng->txt("msg_obj_modified"), true);
                }
                $ilCtrl->redirect($this, "listAssignedItems");
        }
        
}
?>