class.ilObjectAddNewItemGUI.php

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<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */
require_once('./Services/Repository/classes/class.ilObjectPlugin.php');

class ilObjectAddNewItemGUI
{
    protected $lng;

    protected $obj_definition;

    protected $settings;

    protected $access;

    protected $ctrl;

    protected $toolbar;

    protected $tpl;

    protected $mode; // [int]
    protected $parent_ref_id; // [int]
    protected $disabled_object_types; // [array]
    protected $sub_objects; // [array]
    protected $url_creation_callback; // [int]
    protected $url_creation; // [string]
            
    public function __construct($a_parent_ref_id)
    {
        global $DIC;

        $this->lng = $DIC->language();
        $this->obj_definition = $DIC["objDefinition"];
        $this->settings = $DIC->settings();
        $this->access = $DIC->access();
        $this->ctrl = $DIC->ctrl();
        $this->toolbar = $DIC->toolbar();
        $this->tpl = $DIC["tpl"];
        $lng = $DIC->language();
        
        $this->parent_ref_id = (int) $a_parent_ref_id;
        $this->mode = ilObjectDefinition::MODE_REPOSITORY;
                
        $lng->loadLanguageModule("rep");
        $lng->loadLanguageModule("cntr");
    }
    
    public function setMode($a_mode)
    {
        $this->mode = (int) $a_mode;
    }
    
    public function setDisabledObjectTypes(array $a_types)
    {
        $this->disabled_object_types = $a_types;
    }
    
    public function setAfterCreationCallback($a_ref_id)
    {
        $this->url_creation_callback = $a_ref_id;
    }
    
    public function setCreationUrl($a_url)
    {
        $this->url_creation = $a_url;
    }
    
    protected function parsePersonalWorkspace()
    {
        $objDefinition = $this->obj_definition;
        $lng = $this->lng;
        $ilSetting = $this->settings;
        
        $this->sub_objects = array();
        
        $settings_map = array("blog" => "blogs",
                "file" => "files",
                "tstv" => "certificates",
                "excv" => "certificates",
                "crsv" => "certificates",
                "scov" => "certificates",
                "webr" => "links");
    
        $subtypes = $objDefinition->getCreatableSubObjects("wfld", ilObjectDefinition::MODE_WORKSPACE);
        if (count($subtypes) > 0) {
            foreach (array_keys($subtypes) as $type) {
                if (isset($settings_map[$type]) &&
                    $ilSetting->get("disable_wsp_" . $settings_map[$type])) {
                    continue;
                }
                
                $this->sub_objects[] = array("type" => "object",
                    "value" => $type,
                    "title" => $lng->txt("wsp_type_" . $type));
            }
        }
        
        $this->sub_objects = ilUtil::sortArray($this->sub_objects, "title", 1);
        
        return (bool) sizeof($this->sub_objects);
    }
    
    protected function parseRepository()
    {
        $objDefinition = $this->obj_definition;
        $lng = $this->lng;
        $ilAccess = $this->access;
        
        $this->sub_objects = array();
        
        if (!is_array($this->disabled_object_types)) {
            $this->disabled_object_types = array();
        }
        $this->disabled_object_types[] = "rolf";
        
        $parent_type = ilObject::_lookupType($this->parent_ref_id, true);
        $subtypes = $objDefinition->getCreatableSubObjects($parent_type, $this->mode, $this->parent_ref_id);
        if (count($subtypes) > 0) {
            // grouping of object types

            $grp_map = $pos_group_map = array();
            
            include_once("Services/Repository/classes/class.ilObjRepositorySettings.php");
            $groups = ilObjRepositorySettings::getNewItemGroups();
            
            // no groups => use default
            if (!$groups) {
                $default = ilObjRepositorySettings::getDefaultNewItemGrouping();
                $groups = $default["groups"];
                $grp_map = $default["items"];
                
                // reset positions (9999 = "other"/unassigned)
                $pos = 0;
                foreach ($subtypes as $item_type => $item) {
                    // see ilObjectDefinition
                    if (substr($item_type, 0, 1) == "x") {
                        $subtypes[$item_type]["pos"] = "99992000";
                    } else {
                        $subtypes[$item_type]["pos"] = "9999" . str_pad(++$pos, 4, "0", STR_PAD_LEFT);
                    }
                }
                
                // assign default positions
                foreach ($default["sort"] as $item_type => $pos) {
                    if (array_key_exists($item_type, $subtypes)) {
                        $subtypes[$item_type]["pos"] = $pos;
                    }
                }
                
                // sort by default positions
                $subtypes = ilUtil::sortArray($subtypes, "pos", "asc", true, true);
            }
            // use group assignment
            else {
                foreach (ilObjRepositorySettings::getNewItemGroupSubItems() as $grp_id => $subitems) {
                    foreach ($subitems as $subitem) {
                        $grp_map[$subitem] = $grp_id;
                    }
                }
            }
            
            $group_separators = array();
            $pos_group_map[0] = $lng->txt("rep_new_item_group_other");
            $old_grp_ids = array();
            foreach ($groups as $item) {
                if ($item["type"] == ilObjRepositorySettings::NEW_ITEM_GROUP_TYPE_GROUP) {
                    $pos_group_map[$item["id"]] = $item["title"];
                } elseif (sizeof($old_grp_ids)) {
                    $group_separators[$item["id"]] = $old_grp_ids;
                }
                $old_grp_ids[] = $item["id"];
            }
            
            $current_grp = null;
            foreach ($subtypes as $type => $subitem) {
                if (!in_array($type, $this->disabled_object_types)) {
                    // #9950
                    if ($ilAccess->checkAccess("create_" . $type, "", $this->parent_ref_id, $parent_type)) {
                        // if only assigned - do not add groups
                        if (sizeof($pos_group_map) > 1) {
                            $obj_grp_id = (int) $grp_map[$type];
                            if ($obj_grp_id !== $current_grp) {
                                // add seperator after last group?
                                $sdone = false;
                                foreach ($group_separators as $idx => $spath) {
                                    // #11986 - all separators up to next group
                                    if ($current_grp && !in_array($obj_grp_id, $spath)) {
                                        // 1 only separator between groups
                                        if (!$sdone) {
                                            $this->sub_objects[] = array("type" => "column_separator");
                                            $sdone = true;
                                        }
                                        unset($group_separators[$idx]);
                                    }
                                }
                                
                                $title = $pos_group_map[$obj_grp_id];

                                $this->sub_objects[] = array("type" => "group",
                                    "title" => $title);

                                $current_grp = $obj_grp_id;
                            }
                        }
                        
                        if ($subitem["plugin"]) {
                            include_once("./Services/Component/classes/class.ilPlugin.php");
                            $title = ilObjectPlugin::lookupTxtById($type, "obj_" . $type);
                        } else {
                            // #13088
                            $title = $lng->txt("obj_" . $type);
                        }
                        
                        $this->sub_objects[] = array("type" => "object",
                            "value" => $type,
                            "title" => $title);
                    }
                }
            }
        }
        
        return (bool) sizeof($this->sub_objects);
    }
    
    protected function getHTML()
    {
        $ilCtrl = $this->ctrl;
                
        if ($this->mode != ilObjectDefinition::MODE_WORKSPACE && !isset($this->url_creation)) {
            $base_url = "ilias.php?baseClass=ilRepositoryGUI&ref_id=" . $this->parent_ref_id . "&cmd=create";
        } else {
            $base_url = $this->url_creation;
        }
        $base_url = $ilCtrl->appendRequestTokenParameterString($base_url);
        
        if ($this->url_creation_callback) {
            $base_url .= "&crtcb=" . $this->url_creation_callback;
        }
        
        include_once("./Services/UIComponent/GroupedList/classes/class.ilGroupedListGUI.php");
        $gl = new ilGroupedListGUI();
        $gl->setAsDropDown(true, true);

        foreach ($this->sub_objects as $item) {
            switch ($item["type"]) {
                case "column_separator":
                    $gl->nextColumn();
                    break;

                /*
                case "separator":
                    $gl->addSeparator();
                    break;
                */

                case "group":
                    $gl->addGroupHeader($item["title"]);
                    break;

                case "object":
                    $type = $item["value"];

                    $path = ilObject::_getIcon('', 'tiny', $type);
                    $icon = ($path != "")
                        ? ilUtil::img($path, "") . " "
                        : "";
                    
                    $url = $base_url . "&new_type=" . $type;

                    $ttip = ilHelp::getObjCreationTooltipText($type);

                    $gl->addEntry(
                        $icon . $item["title"],
                        $url,
                        "_top",
                        "",
                        "",
                        $type,
                        $ttip,
                        "bottom center",
                        "top center",
                        false
                    );

                    break;
            }
        }
        $this->gl = $gl;
        
        return $gl->getHTML();
    }
    
    public function render()
    {
        $ilToolbar = $this->toolbar;
        $tpl = $this->tpl;
        $lng = $this->lng;
                        
        if ($this->mode == ilObjectDefinition::MODE_WORKSPACE) {
            if (!$this->parsePersonalWorkspace()) {
                return;
            }
        } elseif (!$this->parseRepository()) {
            return;
        }
                
        $ov_id = "il_add_new_item_ov";
        $ov_trigger_id = $ov_id . "_tr";
        

        include_once("./Services/UIComponent/AdvancedSelectionList/classes/class.ilAdvancedSelectionListGUI.php");
        $adv = new ilAdvancedSelectionListGUI();
        $adv->setListTitle($lng->txt("cntr_add_new_item"));
        $this->getHTML();
        $adv->setGroupedList($this->gl);
        $adv->setStyle(ilAdvancedSelectionListGUI::STYLE_EMPH);
        $tpl->setVariable("SELECT_OBJTYPE_REPOS", $adv->getHTML());
        //$ilToolbar->addDropDown($lng->txt("cntr_add_new_item"), $this->getHTML());
        
        return;

        // toolbar
        include_once "Services/UIComponent/Button/classes/class.ilLinkButton.php";
        $button = ilLinkButton::getInstance();
        $button->setId($ov_trigger_id);
        $button->setCaption("cntr_add_new_item");
        $button->setPrimary(true);
        $ilToolbar->addButtonInstance($button);
            
        // css?
        $tpl->setVariable(
            "SELECT_OBJTYPE_REPOS",
            '<div id="' . $ov_id . '" style="display:none;" class="ilOverlay">' .
            $this->getHTML() . '</div>'
        );
    }
}