class.ilBookmarkBlockGUI.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

include_once("Services/Block/classes/class.ilBlockGUI.php");

class ilBookmarkBlockGUI extends ilBlockGUI
{
        static $block_type = "pdbookm";
        
        function ilBookmarkBlockGUI()
        {
                global $ilCtrl, $lng, $ilUser;
                
                parent::ilBlockGUI();
                
                $this->setImage(ilUtil::getImagePath("icon_bm_s.gif"));
                $this->setTitle($lng->txt("my_bms"));
                $this->setEnableNumInfo(false);
                $this->setLimit(99999);
                $this->setAvailableDetailLevels(3);
                
                $this->id = (empty($_GET["bmf_id"]))
                        ? $bmf_id = 1
                        : $_GET["bmf_id"];
        }
        
        static function getBlockType()
        {
                return self::$block_type;
        }
        
        static function isRepositoryObject()
        {
                return false;
        }

        
        static function getScreenMode()
        {
                switch($_GET["cmd"])
                {
                        default:
                                return IL_SCREEN_SIDE;
                                break;
                }
        }

        function &executeCommand()
        {
                global $ilCtrl;

                $next_class = $ilCtrl->getNextClass();
                $cmd = $ilCtrl->getCmd("getHTML");

                return $this->$cmd();
        }

        function getHTML()
        {
                // workaround to show details row
                $this->setData(array("dummy"));

                if ($this->getCurrentDetailLevel() == 0)
                {
                        return "";
                }
                else
                {
                        return parent::getHTML();
                }
        }
        
        function fillDataSection()
        {
                global $ilUser;
                
                include_once("./Services/PersonalDesktop/classes/class.ilBookmarkFolder.php");
                $bm_items = ilBookmarkFolder::_getNumberOfObjects();
                $this->num_bookmarks = $bm_items["bookmarks"];
                $this->num_folders = $bm_items["folders"];

                if ($this->getCurrentDetailLevel() > 1 &&
                        ($this->num_bookmarks > 0 || $this->num_folders > 0))
                {
                        if ($ilUser->getPref("il_pd_bkm_mode") == 'tree')
                        {
                                $this->setDataSection($this->getPDBookmarkListHTMLTree());
                        }
                        else
                        {
                                $this->setRowTemplate("tpl.bookmark_pd_list.html", "Services/PersonalDesktop");
                                $this->getListRowData();
                                $this->setColSpan(2);
                                parent::fillDataSection();
                        }
                }
                else
                {
                        if ($this->num_bookmarks == 0 && $this->num_folders == 0)
                        {
                                $this->setEnableDetailRow(false);
                        }
                        $this->setDataSection($this->getOverview());
                }
        }
        
        function getPDBookmarkListHTMLTree()
        {
                global $ilCtrl, $ilUser;
                
                include_once("./Services/PersonalDesktop/classes/class.ilBookmarkExplorer.php");
                
                $showdetails = ($this->getCurrentDetailLevel() > 2);
                $tpl = new ilTemplate("tpl.bookmark_pd_tree.html", true, true,
                        "Services/PersonalDesktop");

                $exp = new ilBookmarkExplorer($ilCtrl->getLinkTargetByClass("ilpersonaldesktopgui", "show"),
                        $_SESSION["AccountId"]);
                $exp->setAllowedTypes(array('dum','bmf','bm'));
                $exp->setEnableSmallMode(true);
                $exp->setTargetGet("bmf_id");
                $exp->setSessionExpandVariable('mexpand');
                $ilCtrl->setParameter($this, "bmf_id", $this->id);
                $exp->setExpandTarget($ilCtrl->getLinkTargetByClass("ilpersonaldesktopgui", "show"));
                if ($_GET["mexpand"] == "")
                {
                        $expanded = $this->id;
                }
                else
                {
                        $expanded = $_GET["mexpand"];
                }
                $exp->setExpand($expanded);
                $exp->setShowDetails($showdetails);

                // build html-output
                $exp->setOutput(0);
                return $exp->getOutput();
        }

        function fillFooter()
        {
                global $ilCtrl, $lng, $ilUser;

                $this->setFooterLinks();
                $this->fillFooterLinks();
                $this->tpl->setVariable("FCOLSPAN", $this->getColSpan());
                if ($this->tpl->blockExists("block_footer"))
                {
                        $this->tpl->setCurrentBlock("block_footer");
                        $this->tpl->parseCurrentBlock();
                }
        }

        function setFooterLinks()
        {
                global $ilUser, $ilCtrl, $lng;
                
                if ($this->num_bookmarks == 0 && $this->num_folders == 0)
                {
                        return;
                }
                
                // flat
                if ($ilUser->getPref("il_pd_bkm_mode") == 'tree')
                {
                        $this->addFooterLink( $lng->txt("flatview"),
                                $ilCtrl->getLinkTarget($this, "setPdFlatMode"),
                                $ilCtrl->getLinkTarget($this, "setPdFlatMode",
                                "", true),
                                "block_".$this->getBlockType()."_".$this->block_id);
                }
                else
                {
                        $this->addFooterLink($lng->txt("flatview"));
                }

                // as tree
                if ($ilUser->getPref("il_pd_bkm_mode") == 'tree')
                {
                        $this->addFooterLink($lng->txt("treeview"));
                }
                else
                {
                        $this->addFooterLink($lng->txt("treeview"),
                                $ilCtrl->getLinkTarget($this,
                                        "setPdTreeMode"),
                                $ilCtrl->getLinkTarget($this,
                                        "setPdTreeMode", "", true),
                                "block_".$this->getBlockType()."_".$this->block_id
                                );
                }
        }

        function getListRowData()
        {
                global $ilUser, $lng, $ilCtrl;
                
                include_once("./Services/PersonalDesktop/classes/class.ilBookmarkFolder.php");

                $data = array();
                
                $bm_items = ilBookmarkFolder::getObjects($_SESSION["ilCurBMFolder"]);

                if (!ilBookmarkFolder::isRootFolder($_SESSION["ilCurBMFolder"])
                        && !empty($_SESSION["ilCurBMFolder"]))
                {                       
                        $ilCtrl->setParameter($this, "curBMFolder",
                                ilBookmarkFolder::_getParentId($_SESSION["ilCurBMFolder"]));

                        $data[] = array(
                                "img" => ilUtil::getImagePath("icon_cat_s.gif"),
                                "alt" => $lng->txt("bmf"),
                                "title" => "..",
                                "link" => $ilCtrl->getLinkTarget($this, "setCurrentBookmarkFolder"));

                        $this->setTitle($this->getTitle().": ".ilBookmarkFolder::_lookupTitle($_SESSION["ilCurBMFolder"]));
                }

                foreach ($bm_items as $bm_item)
                {
                        switch ($bm_item["type"])
                        {
                                case "bmf":
                                        $ilCtrl->setParameter($this, "curBMFolder", $bm_item["obj_id"]);
                                        $data[] = array(
                                                "img" => ilUtil::getImagePath("icon_cat_s.gif"),
                                                "alt" => $lng->txt("bmf"),
                                                "title" => ilUtil::prepareFormOutput($bm_item["title"]),
                                                "desc" => ilUtil::prepareFormOutput($bm_item["desc"]),
                                                "link" => $ilCtrl->getLinkTarget($this,
                                                        "setCurrentBookmarkFolder"),
                                                "target" => "");
                                        break;

                                case "bm":
                                        $data[] = array(
                                                "img" => ilUtil::getImagePath("spacer.gif"),
                                                "alt" => $lng->txt("bm"),
                                                "title" => ilUtil::prepareFormOutput($bm_item["title"]),
                                                "desc" => ilUtil::prepareFormOutput($bm_item["desc"]),
                                                "link" => ilUtil::prepareFormOutput($bm_item["target"]),
                                                "target" => "_blank");
                                        break;
                        }
                }
                
                $this->setData($data);
        }
        
        function fillRow($a_set)
        {
                global $ilUser;
                
                $this->tpl->setVariable("IMG_BM", $a_set["img"]);
                $this->tpl->setVariable("IMG_ALT", $a_set["alt"]);
                $this->tpl->setVariable("BM_TITLE", $a_set["title"]);
                $this->tpl->setVariable("BM_LINK", $a_set["link"]);
                $this->tpl->setVariable("BM_TARGET", ilUtil::prepareFormOutput($a_set["target"]));

                if ($this->getCurrentDetailLevel() > 2)
                {
                        $this->tpl->setVariable("BM_DESCRIPTION", ilUtil::prepareFormOutput($a_set["desc"]));
                }
                else
                {
                        $this->tpl->setVariable("BM_TOOLTIP", ilUtil::prepareFormOutput($a_set["desc"]));
                }
        }

        function getOverview()
        {
                global $ilUser, $lng, $ilCtrl;
                                
                return '<div class="small">'.$this->num_bookmarks." ".$lng->txt("bm_num_bookmarks").", ".
                        $this->num_folders." ".$lng->txt("bm_num_bookmark_folders")."</div>";
        }

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

                $ilUser->writePref("il_pd_bkm_mode", 'flat');
                if ($ilCtrl->isAsynch())
                {
                        echo $this->getHTML();
                        exit;
                }
                else
                {
                        $ilCtrl->redirectByClass("ilpersonaldesktopgui", "show");
                }
        }

        function setPdTreeMode()
        {
                global $ilCtrl, $ilUser;
                
                $ilUser->writePref("il_pd_bkm_mode", 'tree');
                if ($ilCtrl->isAsynch())
                {
                        echo $this->getHTML();
                        exit;
                }
                else
                {
                        $ilCtrl->redirectByClass("ilpersonaldesktopgui", "show");
                }
        }

        function setCurrentBookmarkFolder()
        {
                global $ilCtrl;
                
                $_SESSION["ilCurBMFolder"] = $_GET["curBMFolder"];
                $ilCtrl->redirectByClass("ilpersonaldesktopgui", "show");
        }

}

?>