class.ilLMChapterImportForm.php

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<?php

/* Copyright (c) 1998-2014 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilLMChapterImportForm
{
    protected $user;

    protected $lng;

    protected $tree = null;
    protected $node_id = null;
    protected $confirm = false;
    protected $perform = false;

    public function __construct($a_slm, $a_node_id, $a_first_child, $a_confirm = false)
    {
        global $DIC;

        $this->user = $DIC->user();
        $this->lng = $DIC->language();
        include_once("./Modules/Scorm2004/classes/class.ilSCORM2004Tree.php");
        $this->slm = $a_slm;
        $this->tree = new ilSCORM2004Tree($this->slm->getId());
        $this->node_id = $a_node_id;
        $this->node = $this->tree->getNodeData($this->node_id);
        $this->current_depth = $this->node["depth"];
        if ($a_first_child) {
            $this->current_depth++;
            $this->current_parent = $this->node;
        } else {
            $this->current_parent = $this->tree->getNodeData($this->node["parent"]);
        }
        if ($this->current_parent["child"] == $this->tree->readRootId()) {
            $this->current_parent["title"] = ilObject::_lookupTitle($this->slm->getId());
            $this->current_parent["type"] = "sahs";
        }
        $this->first_child = $a_first_child;
        $this->confirm = $a_confirm;
        $this->correct = true;
    }

    public function isCorrect()
    {
        return $this->correct;
    }

    public function performInserts()
    {
        // act like in confirm mode
        $this->confirm = true;
        $this->perform = true;
        $this->processHierarchy();
    }

    public function processHierarchy()
    {
        $ilUser = $this->user;

        $target = ($this->first_child)
            ? IL_FIRST_NODE
            : $this->node_id;

        // get chapters
        $chapters = $ilUser->getClipboardObjects("st", true);

        if ($this->perform) {
            $this->current_parent["insert_id"] = $this->current_parent["child"];
            $this->target[$this->current_parent["insert_id"]] = $target;
        }
        foreach ($chapters as $chap) {
            $chap["parent"] = $this->current_parent;
            $this->addNode($chap, $this->current_parent, $this->current_depth);
        }
    }

    public function getHTML()
    {
        $ilUser = $this->user;

        include_once("./Services/UIComponent/NestedList/classes/class.ilNestedList.php");
        $this->list = new ilNestedList();
        $this->list->setListClass("noStyle");

        $this->list->addListNode(
            ilUtil::img(ilUtil::getImagePath("icon_" . $this->current_parent["type"] . ".svg")) . " " .
            $this->current_parent["title"] . " " .
            "",
            $this->current_parent["id"],
            0
        );

        $this->processHierarchy();

        return $this->list->getHTML();
    }

    public function addNode($a_node, $a_parent, $a_depth)
    {
        $ilUser = $this->user;
        $lng = $this->lng;

        //$tpl = new ilTemplate("tpl.lm_chap_import_node.html", true, true, "Modules/Scorm2004");
        $lng->loadLanguageModule("content");

        $options = array(
            "" => $lng->txt("cont_assign_to_parent"),
            "chap" => $lng->txt("obj_chap"),
            "sco" => $lng->txt("obj_sco"),
            "ass" => $lng->txt("obj_ass")
        );

        if (!$this->confirm) {
            $sel = ($a_node["type"] != "pg")
                ? $sel = ilUtil::formSelect($_POST["node"][$a_node["id"]], "node[" . $a_node["id"] . "]", $options, false, true)
                : "";
            $img = ilUtil::img(ilUtil::getImagePath("icon_" . $a_node["type"] . ".svg"));
        } else {
            // if scos/assets are nested in scos/assets, put the tree one level up
            //echo "<br>-".$a_node["title"]."-".$_POST["node"][$a_node["id"]]."-".$_POST["node"][$a_parent["id"]]."-";
            if (in_array($_POST["node"][$a_node["id"]], array("sco", "ass")) && in_array($_POST["node"][$a_parent["id"]], array("sco", "ass"))) {
                //echo "j";
                //var_dump($a_parent);
                //              echo "<br>getting-from-".$a_parent["title"]."-".$a_parent["id"]."-".$a_target."-";
                $a_parent = $a_parent["parent"];
                $a_depth--;
            }

            $sel = ($a_node["type"] != "pg")
                ? $sel = "<strong>" . $lng->txt("obj_" . $_POST["node"][$a_node["id"]]) . "</strong>"
                : "";
            $ctype = ($a_node["type"] != "pg")
                ? $_POST["node"][$a_node["id"]]
                : "pg";

            $parent_type = $a_parent["type"];
            if (isset($_POST["node"][$a_parent["id"]])) {
                $parent_type = $_POST["node"][$a_parent["id"]];
            }
            //echo "<br>-".$a_node["title"]."-".$parent_type."-";
            $img = ilUtil::img(ilUtil::getImagePath("icon_" . $ctype . ".svg"));

            $error = "";
            switch ($a_depth) {
                case 0:
                case 1:
                    $this->correct = false;
                    break;

                case 2:
                    if (!in_array($ctype, array("", "chap", "sco", "ass"))) {
                        $error = '<span class="alert">' . $lng->txt("cont_type_not_allowed") . ": " . $lng->txt("obj_" . $ctype) . "</span>";
                        if ($_POST["node"][$a_node["id"]] != "" || $a_node["type"] == "pg") {
                            $this->correct = false;
                        }
                    }
                    break;

                default:
                    if ($parent_type == "chap" && !in_array($ctype, array("sco", "ass")) ||
                        ($parent_type != "chap" && !in_array($ctype, array("pg")))) {
                        $error = '<span class="alert">' . $lng->txt("cont_type_not_allowed") . ": " . $lng->txt("obj_" . $ctype) . "</span>";
                        if ($_POST["node"][$a_node["id"]] != "" || $a_node["type"] == "pg") {
                            $this->correct = false;
                        }
                    }
                    break;
            }
        }

        // if node should be inserted, increase depth
        if (!$this->confirm || $_POST["node"][$a_node["id"]] != "" || $a_node["type"] == "pg") {
            if (!$this->perform) {
                $this->list->addListNode(
                    $img . " " .
                    $a_node["title"] . " " .
                    $sel . " " . $error,
                    $a_node["id"],
                    $a_parent["id"]
                );
            } else {
                if ($a_parent["insert_id"] > 0) {
                    $target = $this->target[$a_parent["insert_id"]];

                    // create new node of ctype, put it under parent (respect after node from hierarchy)
                    switch ($ctype) {
                        case "chap":
                            include_once("./Modules/Scorm2004/classes/class.ilSCORM2004Chapter.php");
                            $chap = new ilSCORM2004Chapter($this->slm);
                            $chap->setTitle($a_node["title"]);
                            $chap->setSLMId($this->slm->getId());
                            $chap->create();
                            ilSCORM2004Node::putInTree($chap, $a_parent["insert_id"], $target);
                            $a_node["insert_id"] = $chap->getId();
                            break;

                        case "ass":
                            include_once("./Modules/Scorm2004/classes/class.ilSCORM2004Asset.php");
                            $ass = new ilSCORM2004Asset($this->slm);
                            $ass->setTitle($a_node["title"]);
                            $ass->setSLMId($this->slm->getId());
                            $ass->create();
                            ilSCORM2004Node::putInTree($ass, $a_parent["insert_id"], $target);
                            $a_node["insert_id"] = $ass->getId();
                            break;

                        case "sco":
                            include_once("./Modules/Scorm2004/classes/class.ilSCORM2004Sco.php");
                            $sco = new ilSCORM2004Sco($this->slm);
                            $sco->setTitle($a_node["title"]);
                            $sco->setSLMId($this->slm->getId());
                            $sco->create();
                            ilSCORM2004Node::putInTree($sco, $a_parent["insert_id"], $target);
                            $a_node["insert_id"] = $sco->getId();
                            break;

                        case "pg":
                            include_once("./Modules/Scorm2004/classes/class.ilSCORM2004Node.php");
                            $copied_nodes = array();
                            $a_node["insert_id"] = ilSCORM2004Node::pasteTree(
                                $this->slm,
                                $a_node["id"],
                                $a_parent["insert_id"],
                                $a_target,
                                $a_node["insert_time"],
                                $copied_nodes,
                                true,
                                true,
                                "lm"
                            );
                            break;
                    }

                    $this->target[$a_parent["insert_id"]] = $a_node["insert_id"];

                    // set $a_node["insert_id"] to new id
                }
            }

            $a_depth++;
            $parent = $a_node;
        } else {
            $parent = $a_parent;
        }

        $childs = $ilUser->getClipboardChilds($a_node["id"], $a_node["insert_time"]);
        foreach ($childs as $c) {
            $c["parent"] = $a_node;
            //          $c["parent_target"] = rand(1,100);
            //          echo "<br>setting-".$c["parent_target"]."-into-".$c["id"]."-".$c["title"]."-";
            $this->addNode($c, $parent, $a_depth);
        }
    }
}