Inheritance diagram for ilObjLinkResourceAccess:

Collaboration diagram for ilObjLinkResourceAccess:

Public Member Functions
	_checkAccess ($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id="")
	checks wether a user may invoke a command or not (this method is called by ilAccessHandler::checkAccess) More...

Public Member Functions inherited from ilObjectAccess
	_checkAccess ($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id="")
	Checks wether a user may invoke a command or not (this method is called by ilAccessHandler::checkAccess) More...

	_checkCondition ($a_obj_id, $a_operator, $a_value, $a_usr_id)
	check condition More...

Static Public Member Functions
static	_getCommands ()
	get commands More...

static	_checkGoto ($a_target)
	check whether goto script will succeed More...

static	_getFirstLink ($a_webr_id)
	Get first link item Check before with _isSingular() if there is more or less than one. More...

static	_preloadData ($a_obj_ids, $a_ref_ids)
	Preload data. More...

static	_checkDirectLink ($a_obj_id)
	Check whether there is only one active link in the web resource. More...

Static Public Member Functions inherited from ilObjectAccess
static	_getCommands ()
	get commands More...

static	_checkGoto ($a_target)
	check whether goto script will succeed More...

static	_isOffline ($a_obj_id)
	Type-specific implementation of general status, has to be overwritten. More...

static	_preloadData ($a_obj_ids, $a_ref_ids)
	Preload data. More...

Static Public Attributes
static	$item = array()

static	$single_link = array()

Detailed Description

Class ilObjLinkResourceAccess.

Author: Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e

Version: $Id$

Definition at line 16 of file class.ilObjLinkResourceAccess.php.

Member Function Documentation

◆ _checkAccess()

ilObjLinkResourceAccess::_checkAccess	(	$a_cmd,
		$a_permission,
		$a_ref_id,
		$a_obj_id,
		$a_user_id = `""`
	)

checks wether a user may invoke a command or not (this method is called by ilAccessHandler::checkAccess)

Parameters

string	$a_cmd	command (not permission!)
string	$a_permission	permission
int	$a_ref_id	reference id
int	$a_obj_id	object id
int	$a_user_id	user id (if not provided, current user is taken)

Returns: boolean true, if everything is ok

Reimplemented from ilObjectAccess.

Definition at line 81 of file class.ilObjLinkResourceAccess.php.

        {
                global $rbacsystem;
                
                // Set offline if no valid link exists
                if($a_permission == 'read')
                {
                        if(!self::_getFirstLink($a_obj_id) && !$rbacsystem->checkAccessOfUser($a_user_id,'write',$a_ref_id))
                        {
                                return false;
                        }
                }
                        
                if ($a_cmd == "settings")
                {
                        if (self::_checkDirectLink($a_obj_id))
                        {
                                return false;
                        }
                }
                return parent::_checkAccess($a_cmd, $a_permission, $a_ref_id, $a_obj_id, $a_user_id);
        }

◆ _checkDirectLink()

static ilObjLinkResourceAccess::_checkDirectLink ( $a_obj_id )

static

Check whether there is only one active link in the web resource.

In this case this link is shown in a new browser window

Definition at line 180 of file class.ilObjLinkResourceAccess.php.

        {
                if(isset(self::$single_link[$a_obj_id]))
                {
                        return self::$single_link[$a_obj_id];
                }
                include_once './Modules/WebResource/classes/class.ilLinkResourceItems.php';
                return self::$single_link[$a_obj_id] = ilLinkResourceItems::_isSingular($a_obj_id);
        }

References ilLinkResourceItems\_isSingular().

Referenced by ilObjLinkResourceListGUI\getCommandFrame(), ilObjLinkResourceListGUI\getCommandLink(), ilObjLinkResourceListGUI\getDescription(), and ilObjLinkResourceListGUI\getTitle().

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◆ _checkGoto()

static ilObjLinkResourceAccess::_checkGoto ( $a_target )

static

check whether goto script will succeed

Reimplemented from ilObjectAccess.

Definition at line 50 of file class.ilObjLinkResourceAccess.php.

        {
                global $ilAccess;
                
                $t_arr = explode("_", $a_target);
 
                if ($t_arr[0] != "webr" || ((int) $t_arr[1]) <= 0)
                {
                        return false;
                }
 
                if ($ilAccess->checkAccess("read", "", $t_arr[1]) ||
                        $ilAccess->checkAccess("visible", "", $t_arr[1]))
                {
                        return true;
                }
                return false;
        }

◆ _getCommands()

static ilObjLinkResourceAccess::_getCommands ( )

static

get commands

this method returns an array of all possible commands/permission combinations

example:
$commands = array ( array("permission" => "read", "cmd" => "view", "lang_var" => "show"), array("permission" => "write", "cmd" => "edit", "lang_var" => "edit"), );

Reimplemented from ilObjectAccess.

Definition at line 33 of file class.ilObjLinkResourceAccess.php.

        {
                $commands = array
                (
                        array("permission" => "read", "cmd" => "", "lang_var" => "show",
                                "default" => true),
                        array("permission" => "read", "cmd" => "exportHTML", "lang_var" => "export_html"),
                        array("permission" => "write", "cmd" => "editLinks", "lang_var" => "edit_content"),
                        array("permission" => "write", "cmd" => "settings", "lang_var" => "settings")
                );
                
                return $commands;
        }

Referenced by ilObjLinkResourceListGUI\init().

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◆ _getFirstLink()

static ilObjLinkResourceAccess::_getFirstLink ( $a_webr_id )

static

Get first link item Check before with _isSingular() if there is more or less than one.

Parameters

int $a_webr_id object id of web resource

Returns: array link item data

Definition at line 112 of file class.ilObjLinkResourceAccess.php.

        {
                global $ilDB;
 
                if (isset(self::$item[$a_webr_id]))
                {
                        return self::$item[$a_webr_id];
                }
                $query = "SELECT * FROM webr_items ".
                        "WHERE webr_id = ".     $ilDB->quote($a_webr_id ,'integer').' '.
                        "AND active = ".$ilDB->quote(1,'integer').' ';
                $res = $ilDB->query($query);
                
                while($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT))
                {
                        $item['title']                          = $row->title;
                        $item['description']            = $row->description;
                        $item['target']                         = $row->target;
                        $item['active']                         = (bool) $row->active;
                        $item['disable_check']          = $row->disable_check;
                        $item['create_date']            = $row->create_date;
                        $item['last_update']            = $row->last_update;
                        $item['last_check']                     = $row->last_check;
                        $item['valid']                          = $row->valid;
                        $item['link_id']                        = $row->link_id;
                        self::$item[$row->webr_id] = $item;
                }
                return $item ? $item : array();
        }

References $ilDB, $item, $query, $res, $row, and ilDBConstants\FETCHMODE_OBJECT.

Referenced by ilLinkResourceItems\_getFirstLink(), and ilObjLinkResourceListGUI\getCommandFrame().

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◆ _preloadData()

static ilObjLinkResourceAccess::_preloadData	(	$a_obj_ids,
		$a_ref_ids
	)

static

Preload data.

Parameters

array $a_obj_ids array of object ids

Reimplemented from ilObjectAccess.

Definition at line 147 of file class.ilObjLinkResourceAccess.php.

        {
                global $ilDB, $ilUser;
                
                $res = $ilDB->query(
                                "SELECT * FROM webr_items WHERE ".
                                $ilDB->in("webr_id", $a_obj_ids, false, "integer").
                                " AND active = ". $ilDB->quote(1,'integer'));
                foreach ($a_obj_ids as $id)
                {
                        self::$item[$id] = array();
                }
                while($row = $res->fetchRow(ilDBConstants::FETCHMODE_OBJECT))
                {
                        $item['title']                          = $row->title;
                        $item['description']            = $row->description;
                        $item['target']                         = $row->target;
                        $item['active']                         = (bool) $row->active;
                        $item['disable_check']          = $row->disable_check;
                        $item['create_date']            = $row->create_date;
                        $item['last_update']            = $row->last_update;
                        $item['last_check']                     = $row->last_check;
                        $item['valid']                          = $row->valid;
                        $item['link_id']                        = $row->link_id;
                        self::$item[$row->webr_id] = $item;
                }
        }