class.ilWorkspaceExplorer.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once 'Services/Repository/classes/class.ilRepositoryExplorer.php';

/*
 * Explorer for workspace tree (used in move action per item)
 *
 * @author Jörg Lützenkirchen <luetzenkirchen@leifos.com>
 *
 */
class ilWorkspaceExplorer extends ilRepositoryExplorer
{
        const SEL_TYPE_CHECK = 1;
        const SEL_TYPE_RADIO = 2;
        
        public $root_id = 0;
        public $output = '';
        public $ctrl = null;
        public $access = null;
        
        private $checked_items = array();
        private $post_var = '';
        private $form_items = array();
        private $type = 0;
        
        protected $clickable = array();
        protected $custom_link_target;
        
        public function __construct($a_type, $a_target, $a_session_variable, ilWorkspaceTree $a_tree, ilWorkspaceAccessHandler $a_access_handler)
        {
                global $ilCtrl;

                $this->ctrl = $ilCtrl;
                $this->type = $a_type;
                $this->access = $a_access_handler;

                parent::__construct($a_target);
                
                // #11173
                if(!$a_tree->readRootId())
                {
                        // create (workspace) root folder
                        $root = ilObjectFactory::getClassByType("wsrt");
                        $root = new $root(null);
                        $root->create();

                        $root_id = $a_tree->createReference($root->getId());
                        $a_tree->addTree($a_tree->getTreeId(), $root_id);
                        $a_tree->setRootId($root_id);
                }               
                
                $this->tree = $a_tree;
                $this->root_id = $this->tree->readRootId();
                $this->order_column = 'title';
                $this->setSessionExpandVariable($a_session_variable);
                
                // reset filter
                $this->filter = array();
                
                $this->addFilter('wsrt');
                $this->addFilter('wfld');
                
                $this->addFormItemForType('wsrt');
                $this->addFormItemForType('wfld');
                
                $this->setFiltered(true);
                $this->setFilterMode(IL_FM_POSITIVE);
        }

        public function showChilds($a_ref_id, $a_obj_id = 0)
        {
                if ($a_ref_id == 0 ||
                        $this->access->checkAccess('read', '', $a_ref_id))
                {
                        return true;
                }
                return false;
        }
        
        public function isVisible($a_ref_id,$a_type)
        {
                return true;
        }

        public function sortNodes($a_nodes,$a_parent_obj_id)
        {
                return $a_nodes;
        }
        
        public function isClickable($a_type, $a_ref_id, $a_obj_id = 0)
        {
                if(is_array($this->clickable) && in_array($a_type, $this->clickable) &&
                        $a_ref_id)
                {
                        return true;
                }
                return false;
        }       
        
        public function addFormItemForType($type)
        {
                $this->form_items[$type] = true;
        }
        public function removeFormItemForType($type)
        {
                $this->form_items[$type] = false;
        }
        public function removeAllFormItemTypes()
        {
                $this->form_items = array();
        }
        public function setCheckedItems($a_checked_items = array())
        {
                $this->checked_items = $a_checked_items;
        }       
        public function isItemChecked($a_id)
        {
                return in_array($a_id, $this->checked_items) ? true : false;
        }
        public function setPostVar($a_post_var)
        {
                $this->post_var = $a_post_var;
        }
        public function getPostVar()
        {
                return $this->post_var;
        }
        
        public function buildFormItem($a_node_id, $a_type)
        {
                if(!array_key_exists($a_type, $this->form_items) || !$this->form_items[$a_type])
                {
                        return;
                }

                switch($this->type)
                {
                        case self::SEL_TYPE_CHECK:
                                return ilUtil::formCheckbox((int)$this->isItemChecked($a_node_id), $this->post_var, $a_node_id);
                                
                        case self::SEL_TYPE_RADIO:
                                return ilUtil::formRadioButton((int)$this->isItemChecked($a_node_id), $this->post_var, $a_node_id);
                }       
        }
        
        function formatObject(&$tpl, $a_node_id, $a_option, $a_obj_id = 0)
        {               
                global $lng;
                
                if (!isset($a_node_id) or !is_array($a_option))
                {
                        $this->ilias->raiseError(get_class($this)."::formatObject(): Missing parameter or wrong datatype! ".
                                "node_id: ".$a_node_id." options:".var_dump($a_option),$this->ilias->error_obj->WARNING);
                }

                $pic = false;
                foreach ($a_option["tab"] as $picture)
                {
                        if ($picture == 'plus')
                        {
                                $tpl->setCurrentBlock("expander");
                                $tpl->setVariable("EXP_DESC", $lng->txt("expand"));
                                $target = $this->createTarget('+',$a_node_id);
                                $tpl->setVariable("LINK_NAME", $a_node_id);
                                $tpl->setVariable("LINK_TARGET_EXPANDER", $target);
                                $tpl->setVariable("IMGPATH", $this->getImage("browser/plus.png"));
                                $tpl->parseCurrentBlock();
                                $pic = true;
                        }

                        if ($picture == 'minus' && $this->show_minus)
                        {
                                $tpl->setCurrentBlock("expander");
                                $tpl->setVariable("EXP_DESC", $lng->txt("collapse"));
                                $target = $this->createTarget('-',$a_node_id);
                                $tpl->setVariable("LINK_NAME", $a_node_id);
                                $tpl->setVariable("LINK_TARGET_EXPANDER", $target);
                                $tpl->setVariable("IMGPATH", $this->getImage("browser/minus.png"));
                                $tpl->parseCurrentBlock();
                                $pic = true;
                        }
                }
                
                if (!$pic)
                {
                        $tpl->setCurrentBlock("blank");
                        $tpl->setVariable("BLANK_PATH", $this->getImage("browser/blank.png"));
                        $tpl->parseCurrentBlock();
                }

                if ($this->output_icons)
                {
                        $tpl->setCurrentBlock("icon");
                        $tpl->setVariable("ICON_IMAGE" , $this->getImage("icon_".$a_option["type"].".png", $a_option["type"], $a_obj_id));
                        
                        $tpl->setVariable("TARGET_ID" , "iconid_".$a_node_id);
                        $this->iconList[] = "iconid_".$a_node_id;
                        $tpl->setVariable("TXT_ALT_IMG", $lng->txt($a_option["desc"]));
                        $tpl->parseCurrentBlock();
                }               
                
                if(strlen($formItem = $this->buildFormItem($a_node_id, $a_option['type'])))
                {
                        $tpl->setCurrentBlock('check');
                        $tpl->setVariable('OBJ_CHECK', $formItem);
                        $tpl->parseCurrentBlock();
                }

                if ($this->isClickable($a_option["type"], $a_node_id,$a_obj_id))        // output link
                {
                        $tpl->setCurrentBlock("link");
                        //$target = (strpos($this->target, "?") === false) ?
                        //      $this->target."?" : $this->target."&";
                        //$tpl->setVariable("LINK_TARGET", $target.$this->target_get."=".$a_node_id.$this->params_get);
                        $tpl->setVariable("LINK_TARGET", $this->buildLinkTarget($a_node_id, $a_option["type"]));
                                
                        $style_class = $this->getNodeStyleClass($a_node_id, $a_option["type"]);
                        
                        if ($style_class != "")
                        {
                                $tpl->setVariable("A_CLASS", ' class="'.$style_class.'" ' );
                        }

                        if (($onclick = $this->buildOnClick($a_node_id, $a_option["type"], $a_option["title"])) != "")
                        {
                                $tpl->setVariable("ONCLICK", "onClick=\"$onclick\"");
                        }

                        $tpl->setVariable("LINK_NAME", $a_node_id);
                        $tpl->setVariable("TITLE", ilUtil::shortenText(
                                $this->buildTitle($a_option["title"], $a_node_id, $a_option["type"]),
                                $this->textwidth, true));
                        $tpl->setVariable("DESC", ilUtil::shortenText(
                                $this->buildDescription($a_option["description"], $a_node_id, $a_option["type"]), $this->textwidth, true));
                        $frame_target = $this->buildFrameTarget($a_option["type"], $a_node_id, $a_option["obj_id"]);
                        if ($frame_target != "")
                        {
                                $tpl->setVariable("TARGET", " target=\"".$frame_target."\"");
                        }
                        $tpl->parseCurrentBlock();
                }
                else                    // output text only
                {
                        $tpl->setCurrentBlock("text");
                        $tpl->setVariable("OBJ_TITLE", ilUtil::shortenText(
                                $this->buildTitle($a_option["title"], $a_node_id, $a_option["type"]), $this->textwidth, true));
                        $tpl->setVariable("OBJ_DESC", ilUtil::shortenText(
                                $this->buildDescription($a_option["desc"], $a_node_id, $a_option["type"]), $this->textwidth, true));                    
                        $tpl->parseCurrentBlock();
                }

                $tpl->setCurrentBlock("list_item");
                $tpl->parseCurrentBlock();
                $tpl->touchBlock("element");
        }
        
        /*
        * overwritten method from base class
        * @access       public
        * @param        integer obj_id
        * @param        integer array options
        * @return       string
        */
        function formatHeader(&$tpl, $a_obj_id,$a_option)
        {
                global $lng;
                
                // custom icons
                $path = ilObject::_getIcon($a_obj_id, "small", "wsrt");
                
                $tpl->setCurrentBlock("icon");
                $title = $this->tree->getNodeData($this->root_id);
                $title = $title["title"];
                if(!$title)
                {
                        $title = $lng->txt("personal_workspace");
                }

                $tpl->setVariable("ICON_IMAGE", $path);
                $tpl->setVariable("TXT_ALT_IMG", $title);
                $tpl->parseCurrentBlock();              

                if(strlen($formItem = $this->buildFormItem($a_obj_id, $a_option['type'])))
                {
                        $tpl->setCurrentBlock('check');
                        $tpl->setVariable('OBJ_CHECK', $formItem);
                        $tpl->parseCurrentBlock();
                }
                
                $tpl->setVariable('OBJ_TITLE', $title);
        }
        
        function setTypeClickable($a_type)
        {
                $this->clickable[] = $a_type;
        }
        
        function setCustomLinkTarget($a_target)
        {
                $this->custom_link_target = $a_target;          
        }
        
        function buildLinkTarget($a_node_id, $a_type)
        {
                if(!$this->custom_link_target)
                {
                        return parent::buildLinkTarget($a_node_id, $a_type);
                }
                
                $link = $this->custom_link_target."&".$this->target_get."=".$a_node_id;
                return $link;           
        }
}
?>