ilCtrl Class Reference

This class provides processing control methods. More...

Collaboration diagram for ilCtrl:

Public Member Functions
	__construct ()
	control class constructor More...
	callBaseClass ()
	Calls base class of current request. More...
	getModuleDir ()
	get directory of current module More...
	forwardCommand ($a_gui_object)
	Forward flow of control to next gui class this invokes the executeCommand() method of the gui object that is passed via reference. More...
	getHTML ($a_gui_object, array $a_parameters=null)
	Gets an HTML output from another GUI class and returns the flow of control to the calling class. More...
	setContext ($a_obj_id, $a_obj_type, $a_sub_obj_id=0, $a_sub_obj_type="")
	Set context of current user interface. More...
	getContextObjId ()
	Get context object id. More...
	getContextObjType ()
	Get context object type. More...
	getContextSubObjId ()
	Get context subobject id. More...
	getContextSubObjType ()
	Get context subobject type. More...
	checkTargetClass ($a_class)
	Check whether target is valid. More...
	getCmdNode ()
	Get command target node. More...
	addTab ($a_lang_var, $a_link, $a_cmd, $a_class)
	Add a tab to tabs array (. More...
	getTabs ()
	Get tabs array (. More...
	getCallHistory ()
	Get controller call history. More...
	getCallStructure ($a_class)
	Get call structure of class context. More...
	readCallStructure ($a_class, $a_nr=0, $a_parent=0)
	Reads call structure from db. More...
	saveParameter ($a_obj, $a_parameter)
	Set parameters that should be passed in every form and link of a gui class. More...
	saveParameterByClass ($a_class, $a_parameter)
	Save parameter for a class. More...
	setParameter ($a_obj, $a_parameter, $a_value)
	Set parameters that should be passed a form and link of a gui class. More...
	setParameterByClass ($a_class, $a_parameter, $a_value)
	Same as setParameterByClass, except that a class name is passed. More...
	clearParameterByClass ($a_class, $a_parameter)
	Same as setParameterByClass, except that a class name is passed. More...
	clearParameters ($a_obj)
	Clears all parameters that have been set via setParameter for a GUI class. More...
	clearParametersByClass ($a_class)
	Clears all parameters that have been set via setParameter for a GUI class. More...
	getNextClass ($a_gui_class=null)
	Get next class in the control path from the current class to the target command class. More...
	lookupClassPath ($a_class_name)
	Get class path that can be used in include statements for a given class name. More...
	getClassForClasspath ($a_class_path)
	this method assumes that the class path has the format "dir/class.<class_name>.php" More...
	setTargetScript (string $a_target_script)
	set target script name More...
	getTargetScript ()
	Get target script name. More...
	initBaseClass ($a_base_class)
	Initialises new base class. More...
	getCmd ($a_default_cmd="", $a_safe_commands="")
	Determines current get/post command. More...
	setCmd ($a_cmd)
	Set the current command. More...
	setCmdClass ($a_cmd_class)
	Set the current command class. More...
	getCmdClass ()
	Determines class that should execute the current command. More...
	getFormAction ( $a_gui_obj, $a_fallback_cmd="", $a_anchor="", $a_asynch=false, $xml_style=false)
	Get form action url for gui class object. More...
	getFormActionByClass ( $a_class, $a_fallback_cmd="", $a_anchor="", $a_asynch=false, $xml_style=false)
	Get form action url for gui class name. More...
	appendRequestTokenParameterString ($a_url, $xml_style=false)
	Append request token as url parameter. More...
	getRequestToken ()
	Get request token. More...
	redirect ($a_gui_obj, $a_cmd="", $a_anchor="", $a_asynch=false)
	Redirect to another command. More...
	redirectToURL ($a_script)
	redirectByClass ($a_class, $a_cmd="", $a_anchor="", $a_asynch=false)
	Redirect to other gui class using class name. More...
	isAsynch ()
	Is current command an asynchronous command? More...
	getLinkTarget ( $a_gui_obj, $a_cmd="", $a_anchor="", $a_asynch=false, $xml_style=false)
	Get link target for command using gui object. More...
	getLinkTargetByClass ( $a_class, $a_cmd="", $a_anchor="", $a_asynch=false, $xml_style=false)
	Get link target for command using gui class name. More...
	setReturn ($a_gui_obj, $a_cmd)
	Set return command. More...
	setReturnByClass ($a_class, $a_cmd)
	Set return command. More...
	returnToParent ($a_gui_obj, $a_anchor="")
	Redirects to next parent class that used setReturn. More...
	getParentReturn ($a_gui_obj)
	Get return script url. More...
	getReturnClass ($a_class)
	Get return class. More...
	getRedirectSource ()
	Get current redirect source. More...
	getUrlParameters ($a_class, $a_str, $a_cmd="", $xml_style=false)
	Get URL parameters for a class and append them to a string. More...
	getParameterArray ($a_gui_obj, $a_cmd="")
	Get all set/save parameters for a gui object. More...
	getParameterArrayByClass ($a_class, $a_cmd="")
	Get all set/save parameters using gui class name. More...
	insertCtrlCalls ($a_parent, $a_child, $a_comp_prefix)
	Insert ctrl calls record. More...
	checkCurrentPathForClass ($gui_class)
	Check if current path contains a certain gui class. More...
	getCurrentClassPath ()
	Get current class path as array of class file names. More...

Data Fields
const	IL_RTOKEN_NAME = 'rtoken'

Protected Member Functions
	initializeMemberVariables ()
	Initialize member variables. More...
	checkLPSettingsForward ($a_gui_obj, $a_cmd_node)
	getParentReturnByClass ($a_class)
	Get return script url. More...

Protected Attributes
	$save_parameter
	$parameter
	$return
	$call_hist = array()
	Stores the order in which different GUI classes were called. More...
	$calls = array()
	Stores which class calls which other class. More...
	$rtoken = false
	$target_script = "ilias.php"
	$module_dir

Private Member Functions
	getNodeIdForTargetClass ($a_par_node, $a_class, $a_check=false)
	Searches a node for a given class ($a_class) "near" another node ($a_par_node). More...
	getPathNew ($a_source_node, $a_target_node)
	Get path in call structure. More...
	verifyToken ()
	Verify Token. More...
	searchReturnClass ($a_class)
	Determine current return class. More...
	classCidUnknown ($a_class)
	getCidForClass ($a_class, $a_check=false)
	Get class id for class after fetching and storing corresponding information, if necessary. More...
	cidClassUnknown ($a_cid)
	getClassForCid ($a_cid)
	Get class for class id after fetching and storing corresponding information, if necessary. More...
	fetchCallsOfClassFromCache ($a_class, ilCachedCtrl $a_cached_ctrl)
	readCidInfo ($a_cid)
	Save class respective to $a_cid and store corresponding class calls for future reference. More...
	readNodeInfo ($a_node)
	Save classes respective to the class id's of a node and store corresponding class calls for future reference. More...
	readClassInfo ($a_class)
	Save class id respective to $a_class and store corresponding class calls for future reference. More...
	callOfClassNotKnown ($a_class, $a_child)
	updateClassCidMap ($a_class, $a_cid)
	getParentCidOfNode ($a_node)
	Get 2nd to last class id of node. More...
	removeLastCid ($a_node)
	Remove the class id that comes at the beginning the sequence. More...
	getCurrentCidOfNode ($a_node)
	Get cid of node. More...

Detailed Description

This class provides processing control methods.

A global instance is available via variable $ilCtrl

xml_style parameters: This mode was activated per default in the past, is now set to false but still being used and needed, if link information is passed to the xslt processing e.g. in content pages.

Author

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

Version

$Id$

Definition at line 15 of file class.ilCtrl.php.

Constructor & Destructor Documentation

__construct()

ilCtrl::__construct

(

)

control class constructor

Definition at line 93 of file class.ilCtrl.php.

References initializeMemberVariables().

    {
        $this->initializeMemberVariables();

        // this information should go to xml files one day
        $this->stored_trees = array("ilrepositorygui", "ildashboardgui",
            "illmpresentationgui", "illmeditorgui",
            "iladministrationgui");
    }

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Member Function Documentation

addTab()

ilCtrl::addTab	(		$a_lang_var,
			$a_link,
			$a_cmd,
			$a_class
	)

Add a tab to tabs array (.

Deprecated:

use $ilTabs)

Parameters

string	$a_lang_var	language variable
string	$a_link	link
string	$a_cmd	command (must be same as in link)
string	$a_class	command class (must be same as in link)

Definition at line 468 of file class.ilCtrl.php.

    {
        $a_class = strtolower($a_class);

        $this->tab[] = array("lang_var" => $a_lang_var,
            "link" => $a_link, "cmd" => $a_cmd, "class" => $a_class);
    }

appendRequestTokenParameterString()

ilCtrl::appendRequestTokenParameterString	(		$a_url,
			$xml_style = false
	)

Append request token as url parameter.

Parameters

string	url
boolean	xml style

Definition at line 1068 of file class.ilCtrl.php.

References ilUtil\appendUrlParameterString(), and getRequestToken().

    {
        return ilUtil::appendUrlParameterString(
            $a_url,
            self::IL_RTOKEN_NAME . '=' . $this->getRequestToken(),
            $xml_style
        );
    }

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callBaseClass()

ilCtrl::callBaseClass

(

)

Calls base class of current request.

The base class is passed via $_GET["baseClass"] and is the first class in the call sequence of the request. Do not call this method within other scripts than ilias.php.

Exceptions

ilCtrlException

Definition at line 126 of file class.ilCtrl.php.

References $_GET, $_SERVER, $DIC, $ilDB, $service, forwardCommand(), getCallStructure(), ilComponent\getComponentInfo(), and ilCachedCtrl\getInstance().

    {
        global $DIC;

        $ilDB = $DIC->database();
        
        $baseClass = strtolower($_GET["baseClass"]);

        $module_class = ilCachedCtrl::getInstance();
        $mc_rec = $module_class->lookupModuleClass($baseClass);

        $module = $mc_rec["module"];
        $class = $mc_rec["class"];
        $class_dir = $mc_rec["dir"];
        
        if ($module != "") {
            $m_set = $ilDB->query("SELECT * FROM il_component WHERE name = " .
                $ilDB->quote($module, "text"));
            $m_rec = $ilDB->fetchAssoc($m_set);
        } else {                // check whether class belongs to a service
            $mc_rec = $module_class->lookupServiceClass($baseClass);

            $service = $mc_rec["service"];
            $class = $mc_rec["class"];
            $class_dir = $mc_rec["dir"];
            
            if ($service == "") {
                include_once("./Services/UICore/exceptions/class.ilCtrlException.php");
                throw new ilCtrlException("Could not find entry in modules.xml or services.xml for " .
                    $baseClass . " <br/>" . str_replace("&", "<br />&", htmlentities($_SERVER["REQUEST_URI"])));
            }

            $m_rec = ilComponent::getComponentInfo('Services', $service);
        }
        
        // forward processing to base class
        $this->getCallStructure(strtolower($baseClass));
        $base_class_gui = new $class();
        $this->forwardCommand($base_class_gui);
    }

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callOfClassNotKnown()

ilCtrl::callOfClassNotKnown (   $a_class,   $a_child  )

private

Definition at line 1724 of file class.ilCtrl.php.

Referenced by fetchCallsOfClassFromCache().

    {
        return !isset($this->calls[$a_class])
                || !is_array($this->calls[$a_class])
                || !in_array($a_child, $this->calls[$a_class]);
    }

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checkCurrentPathForClass()

ilCtrl::checkCurrentPathForClass

(

$gui_class

)

Check if current path contains a certain gui class.

Parameters

$gui_class

Returns

bool

Exceptions

ilCtrlException

Definition at line 1805 of file class.ilCtrl.php.

References getClassForCid(), and getCmdNode().

    {
        foreach (explode(":", $this->getCmdNode()) as $cid) {
            if ($cid != "" && strtolower($this->getClassForCid($cid)) == strtolower($gui_class)) {
                return true;
            }
        }
        return false;
    }

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checkLPSettingsForward()

ilCtrl::checkLPSettingsForward (   $a_gui_obj,   $a_cmd_node  )

protected

Definition at line 666 of file class.ilCtrl.php.

References $_GET, $DIC, $GLOBALS, $type, ilObject\_lookupObjectId(), ilObjSAHSLearningModule\_lookupSubType(), ilObject\_lookupType(), getNodeIdForTargetClass(), ilObjectLP\isSupportedObjectType(), redirectByClass(), and setParameterByClass().

Referenced by getNextClass().

    {
        global $DIC;

        $objDefinition = $DIC["objDefinition"];
        
        // forward to learning progress settings if possible and accessible
        if ($_GET["gotolp"] &&
            $a_gui_obj) {
            $ref_id = $_GET["ref_id"];
            if (!$ref_id) {
                $ref_id = $_REQUEST["ref_id"];
            }
            
            $gui_class = get_class($a_gui_obj);
            
            if ($gui_class == "ilSAHSEditGUI") {
                // #1625 - because of scorm "sub-types" this is all very special
                include_once "./Modules/ScormAicc/classes/class.ilObjSAHSLearningModule.php";
                $obj_id = ilObject::_lookupObjectId($ref_id);
                switch (ilObjSAHSLearningModule::_lookupSubType($obj_id)) {
                    case "scorm2004":
                        $class = "ilObjSCORM2004LearningModuleGUI";
                        break;
                
                    case "scorm":
                        $class = "ilObjSCORMLearningModuleGUI";
                        break;

                    case "aicc":
                        $class = "ilObjAICCLearningModuleGUI";
                        break;

                    case "hacp":
                        $class = "ilObjHACPLearningModuleGUI";
                        break;
                }
                if ($GLOBALS["ilAccess"]->checkAccess("edit_learning_progress", "", $ref_id)) {
                    $this->redirectByClass(array($gui_class, $class, "illearningprogressgui", "illplistofsettingsgui"), "");
                }
            }
            // special case: cannot use any presentation GUIs
            elseif ($gui_class == "ilLMPresentationGUI") {
                $this->setParameterByClass("ilObjLearningModuleGUI", "gotolp", 1);
                $this->redirectByClass(array("ilLMEditorGUI", "ilObjLearningModuleGUI"), "");
            }
                        
            include_once "Services/Object/classes/class.ilObjectLP.php";
            $type = ilObject::_lookupType($ref_id, true);
            $class = "ilObj" . $objDefinition->getClassName($type) . "GUI";
            
            if ($gui_class == $class &&
                ilObjectLP::isSupportedObjectType($type) &&
                $GLOBALS["ilAccess"]->checkAccess("edit_learning_progress", "", $ref_id)) {
                // add path to repository object gui if missing from cmdNode
                if (!$a_cmd_node) {
                    $repo_node = $this->getNodeIdForTargetClass(null, "ilrepositorygui");
                    $obj_node = $this->getNodeIdForTargetClass($repo_node["node_id"], $gui_class);
                    $a_cmd_node = $obj_node["node_id"];
                }
                // find path to lp settings
                $lp_node = $this->getNodeIdForTargetClass($a_cmd_node, "illearningprogressgui");
                $lp_settings_node = $this->getNodeIdForTargetClass($lp_node["node_id"], "illplistofsettingsgui");
                $_GET["cmdNode"] = $lp_settings_node["node_id"];
                $_GET["cmdClass"] = "ilLPListOfSettingsGUI";
                $_GET["cmd"] = "";
                return "illearningprogressgui";
            }
        }
    }

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checkTargetClass()

ilCtrl::checkTargetClass

(

$a_class

)

Check whether target is valid.

Parameters

Definition at line 427 of file class.ilCtrl.php.

References getCidForClass(), and getNodeIdForTargetClass().

    {
        if (!is_array($a_class)) {
            $a_class = array($a_class);
        }

        $nr = $this->current_node;
        foreach ($a_class as $class) {
            $class = strtolower($class);

            if (!$this->getCidForClass($class, true)) {
                return false;
            }

            $nr = $this->getNodeIdForTargetClass($nr, $class, true);
            $nr = $nr["node_id"];
            if ($nr === false) {
                return false;
            }
        }
        return true;
    }

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cidClassUnknown()

ilCtrl::cidClassUnknown (   $a_cid )

private

Definition at line 1631 of file class.ilCtrl.php.

Referenced by getClassForCid().

    {
        return $this->cid_class[$a_cid] == "";
    }

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classCidUnknown()

ilCtrl::classCidUnknown (   $a_class )

private

Definition at line 1603 of file class.ilCtrl.php.

Referenced by getCidForClass().

    {
        return $this->class_cid[$a_class] == "";
    }

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clearParameterByClass()

ilCtrl::clearParameterByClass	(		$a_class,
			$a_parameter
	)

Same as setParameterByClass, except that a class name is passed.

Parameters

string	$a_class	gui class name
string	$a_parameter	parameter name
string	$a_parameter	parameter value

Definition at line 639 of file class.ilCtrl.php.

    {
        unset($this->parameter[strtolower($a_class)][$a_parameter]);
    }

clearParameters()

ilCtrl::clearParameters

(

$a_obj

)

Clears all parameters that have been set via setParameter for a GUI class.

Parameters

object

$a_obj

gui object

Definition at line 650 of file class.ilCtrl.php.

References clearParametersByClass().

    {
        $this->clearParametersByClass(strtolower(get_class($a_obj)));
    }

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clearParametersByClass()

ilCtrl::clearParametersByClass

(

$a_class

)

Clears all parameters that have been set via setParameter for a GUI class.

Parameters

string

$a_class

gui class name

Definition at line 661 of file class.ilCtrl.php.

Referenced by clearParameters().

    {
        $this->parameter[strtolower($a_class)] = array();
    }

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fetchCallsOfClassFromCache()

ilCtrl::fetchCallsOfClassFromCache (   $a_class, ilCachedCtrl  $a_cached_ctrl  )

private

Definition at line 1652 of file class.ilCtrl.php.

References callOfClassNotKnown(), and ilCachedCtrl\lookupCall().

Referenced by readCidInfo(), and readClassInfo().

    {
        foreach ($a_cached_ctrl->lookupCall($a_class) as $call) {
            if ($call["child"] != "" && $this->callOfClassNotKnown($a_class, $call['child'])) {
                $this->calls[$a_class][] = $call["child"];
            }
        }
    }

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forwardCommand()

ilCtrl::forwardCommand

(

$a_gui_object

)

Forward flow of control to next gui class this invokes the executeCommand() method of the gui object that is passed via reference.

Parameters

object

$a_gui_object

gui object that should receive

Returns

mixed return data of invoked executeCommand() method

Exceptions

ilCtrlException

Definition at line 188 of file class.ilCtrl.php.

References getCmd(), and getNodeIdForTargetClass().

Referenced by callBaseClass(), ilLTIRouterGUI\executeCommand(), ilObjectPermissionStatusGUI\executeCommand(), and ilChatroomInfoGUI\executeDefault().

    {
        $class = strtolower(get_class($a_gui_object));
        $nr = $this->getNodeIdForTargetClass($this->current_node, $class);
        $nr = $nr["node_id"];
        if ($nr != "") {
            $current_node = $this->current_node;
            
            $this->current_node = $nr;

            // always populate the call history
            // it will only be displayed in DEVMODE but is needed for UI plugins, too
            $this->call_hist[] = array("class" => get_class($a_gui_object),
                    "mode" => "execComm", "cmd" => $this->getCmd());

            $html = $a_gui_object->executeCommand();
            
            // reset current node
            $this->current_node = $current_node;
            
            return $html;
        }
        
        include_once("./Services/UICore/exceptions/class.ilCtrlException.php");
        throw new ilCtrlException("ERROR: Can't forward to class $class.");
    }

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getCallHistory()

ilCtrl::getCallHistory

(

)

Get controller call history.

This is used for the developer mode and presented in the footer

Returns

array array of call history entries

Definition at line 493 of file class.ilCtrl.php.

References $call_hist.

    {
        return $this->call_hist;
    }

getCallStructure()

ilCtrl::getCallStructure

(

$a_class

)

Get call structure of class context.

This method must be called for the top level gui class in the leading php script. It must be called before the the current command is forwarded to the top level gui class. Example:

include_once "classes/class.ilRepositoryGUI.php"; $ilCtrl->getCallStructure("ilrepositorygui"); $repository_gui = new ilRepositoryGUI(); $ilCtrl->forwardCommand($repository_gui);

Parameters

string

$a_class

gui class name

public

Definition at line 513 of file class.ilCtrl.php.

References readClassInfo().

Referenced by callBaseClass(), and getNodeIdForTargetClass().

    {
        $this->readClassInfo($a_class);
    }

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getCidForClass()

ilCtrl::getCidForClass (   $a_class,   $a_check = false  )

private

Get class id for class after fetching and storing corresponding information, if necessary.

Definition at line 1611 of file class.ilCtrl.php.

References classCidUnknown(), and readClassInfo().

Referenced by checkTargetClass(), and getNodeIdForTargetClass().

    {
        if ($this->classCidUnknown($a_class)) {
            $this->readClassInfo($a_class);
        }
        if ($this->classCidUnknown($a_class)) {
            if ($a_check) {
                return false;
            }
            if (DEVMODE == 1) {
                $add = "<br><br>Please make sure your GUI class name ends with 'GUI' and that the filename is 'class.[YourClassName].php'. In exceptional cases you
                                        may solve the issue by putting an empty * @ilCtrl_Calls [YourClassName]: into your class header." .
                    " In both cases you need to reload the control structure in the setup.";
            }
            include_once("./Services/UICore/exceptions/class.ilCtrlException.php");
            throw new ilCtrlException("Cannot find cid for class " . $a_class . "." . $add);
        }
        return $this->class_cid[$a_class];
    }

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getClassForCid()

ilCtrl::getClassForCid (   $a_cid )

private

Get class for class id after fetching and storing corresponding information, if necessary.

Definition at line 1640 of file class.ilCtrl.php.

References cidClassUnknown(), and readCidInfo().

Referenced by checkCurrentPathForClass(), getCurrentClassPath(), getNodeIdForTargetClass(), getParameterArrayByClass(), and searchReturnClass().

    {
        if ($this->cidClassUnknown($a_cid)) {
            $this->readCidInfo($a_cid);
        }
        if ($this->cidClassUnknown($a_cid)) {
            include_once("./Services/UICore/exceptions/class.ilCtrlException.php");
            throw new ilCtrlException("Cannot find class for cid " . $a_cid . ".");
        }
        return $this->cid_class[$a_cid];
    }

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getClassForClasspath()

ilCtrl::getClassForClasspath

(

$a_class_path

)

this method assumes that the class path has the format "dir/class.<class_name>.php"

Parameters

string

$a_class_path

class path public

Returns

string class name

Definition at line 793 of file class.ilCtrl.php.

    {
        $path = pathinfo($a_class_path);
        $file = $path["basename"];
        $class = substr($file, 6, strlen($file) - 10);

        return $class;
    }

getCmd()

ilCtrl::getCmd	(		$a_default_cmd = "",
			$a_safe_commands = ""
	)

Determines current get/post command.

Parameters

string	default command
array	safe commands: for these commands no token is checked for post requests

Definition at line 891 of file class.ilCtrl.php.

References $_GET, $_POST, and verifyToken().

Referenced by ilTestSignatureGUI\executeCommand(), ilObjectPermissionStatusGUI\executeCommand(), ilObjWorkflowEngineGUI\executeCommand(), forwardCommand(), and getHTML().

    {
        $cmd = "";
        if (isset($_GET["cmd"])) {
            $cmd = $_GET["cmd"];
        }
        if ($cmd == "post") {
            if (isset($_POST["cmd"]) && is_array($_POST["cmd"])) {
                reset($_POST["cmd"]);
            }
            $cmd = @key($_POST["cmd"]);

            // verify command
            if ($this->verified_cmd != "") {
                return $this->verified_cmd;
            } else {
                if (!$this->verifyToken() &&
                    (!is_array($a_safe_commands) || !in_array($cmd, $a_safe_commands))) {
                    return $a_default_cmd;
                }
            }
            
            $this->verified_cmd = $cmd;
            if ($cmd == "" && isset($_POST["table_top_cmd"])) {         // selected command in multi-list (table2)
                $cmd = @key($_POST["table_top_cmd"]);
                $this->verified_cmd = $cmd;
                $_POST[$_POST["cmd_sv"][$cmd]] = $_POST[$_POST["cmd_sv"][$cmd] . "_2"];
            }
            if ($cmd == "" && isset($_POST["select_cmd2"])) {           // selected command in multi-list (table2)
                if (isset($_POST["select_cmd_all2"])) {
                    $_POST["select_cmd_all"] = $_POST["select_cmd_all2"];
                } else {
                    $_POST["select_cmd_all"] = $_POST["select_cmd_all2"] = null;
                }
                $cmd = $_POST["selected_cmd2"];
                $this->verified_cmd = $cmd;
            }
            if ($cmd == "" && isset($_POST["select_cmd"])) {            // selected command in multi-list (table2)
                if (isset($_POST["select_cmd_all"])) {
                    $_POST["select_cmd_all2"] = $_POST["select_cmd_all"];
                } else {
                    $_POST["select_cmd_all"] = $_POST["select_cmd_all2"] = null;
                }
                $cmd = $_POST["selected_cmd"];
                $this->verified_cmd = $cmd;
            }
            if ($cmd == "") {
                $cmd = $_GET["fallbackCmd"];
                $this->verified_cmd = $cmd;
            }
        }
        if ($cmd == "") {
            $cmd = $a_default_cmd;
        }
        return $cmd;
    }

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getCmdClass()

ilCtrl::getCmdClass

(

)

Determines class that should execute the current command.

Returns

string class name

Definition at line 987 of file class.ilCtrl.php.

References $_GET.

    {
        return strtolower($_GET["cmdClass"]);
    }

getCmdNode()

ilCtrl::getCmdNode

(

)

Get command target node.

Returns

string id of current command target node

Definition at line 455 of file class.ilCtrl.php.

References $_GET.

Referenced by checkCurrentPathForClass(), getCurrentClassPath(), and getNextClass().

    {
        return $_GET["cmdNode"];
    }

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getContextObjId()

ilCtrl::getContextObjId

(

)

Get context object id.

Returns

int object id

Definition at line 281 of file class.ilCtrl.php.

    {
        return $this->context_obj_id;
    }

getContextObjType()

ilCtrl::getContextObjType

(

)

Get context object type.

Returns

string object type

Definition at line 291 of file class.ilCtrl.php.

    {
        return $this->context_obj_type;
    }

getContextSubObjId()

ilCtrl::getContextSubObjId

(

)

Get context subobject id.

Returns

int subobject id

Definition at line 301 of file class.ilCtrl.php.

    {
        return $this->context_sub_obj_id;
    }

getContextSubObjType()

ilCtrl::getContextSubObjType

(

)

Get context subobject type.

Returns

string subobject type

Definition at line 311 of file class.ilCtrl.php.

    {
        return $this->context_sub_obj_type;
    }

getCurrentCidOfNode()

ilCtrl::getCurrentCidOfNode (   $a_node )

private

Get cid of node.

Definition at line 1758 of file class.ilCtrl.php.

Referenced by getNextClass(), getNodeIdForTargetClass(), and getParameterArrayByClass().

    {
        $n_arr = explode(":", $a_node);
        return $n_arr[count($n_arr) - 1];
    }

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getCurrentClassPath()

ilCtrl::getCurrentClassPath

(

)

Get current class path as array of class file names.

Returns

array

Exceptions

ilCtrlException

Definition at line 1821 of file class.ilCtrl.php.

References $_GET, getClassForCid(), and getCmdNode().

                                          : array
    {
        $path = [];
        foreach (explode(":", $this->getCmdNode()) as $cid) {
            if ($cid != "") {
                $path[] = $this->getClassForCid($cid);
            }
        }
        if ($this->getCmdNode() == "" && $_GET["baseClass"] != "") {
            $path[] = $_GET["baseClass"];
        }
        return $path;
    }

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getFormAction()

ilCtrl::getFormAction	(		$a_gui_obj,
			$a_fallback_cmd = "",
			$a_anchor = "",
			$a_asynch = false,
			$xml_style = false
	)

Get form action url for gui class object.

Parameters

object	gui object
string	fallback command
string	anchor
bool	asynchronous call
bool	xml style t/f

Returns

string script url

Definition at line 1002 of file class.ilCtrl.php.

References getFormActionByClass().

Referenced by ilWorkflowEngineDefinitionsTableGUI\__construct(), ilTestSkillLevelThresholdsTableGUI\__construct(), ilObjectPermissionStatusGUI\accessStatusInfo(), ilObjectPermissionStatusGUI\addToolbar(), ilChatroomHistoryGUI\byDay(), ilChatroomHistoryGUI\bySession(), ilChatroomAdminViewGUI\clientsettings(), ilChatroomAdminSmileyGUI\deleteMultipleObject(), ilChatroomSettingsGUI\general(), ilChatroomAdminSmileyGUI\initSmiliesEditForm(), ilChatroomAdminSmileyGUI\initSmiliesForm(), ilHistoryTableGUI\initTable(), ilChatroomAdminViewGUI\serversettings(), ilChatroomAdminSmileyGUI\showDeleteSmileyFormObject(), and ilChatroomViewGUI\showNameSelection().

      {
        $script = $this->getFormActionByClass(
            strtolower(get_class($a_gui_obj)),
            $a_fallback_cmd,
            $a_anchor,
            $a_asynch,
            $xml_style
        );
        return $script;
    }

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getFormActionByClass()

ilCtrl::getFormActionByClass	(		$a_class,
			$a_fallback_cmd = "",
			$a_anchor = "",
			$a_asynch = false,
			$xml_style = false
	)

Get form action url for gui class name.

Parameters

string	gui class name
string	fallback command
string	anchor
bool	asynchronous call
bool	xml style t/f

Returns

string script url

Definition at line 1029 of file class.ilCtrl.php.

References ilUtil\appendUrlParameterString(), getLinkTargetByClass(), and getRequestToken().

Referenced by getFormAction().

      {
        if (!is_array($a_class)) {
            $a_class = strtolower($a_class);
        }
        
        $tok = $this->getRequestToken();

        if ($a_asynch) {
            $xml_style = false;
        }

        $script = $this->getLinkTargetByClass($a_class, "post", "", $a_asynch, $xml_style);
        if ($a_fallback_cmd != "") {
            $script = ilUtil::appendUrlParameterString($script, "fallbackCmd=" . $a_fallback_cmd, $xml_style);
        }
        $script = ilUtil::appendUrlParameterString(
            $script,
            self::IL_RTOKEN_NAME . '=' . $this->getRequestToken(),
            $xml_style
        );
        if ($a_anchor != "") {
            $script = $script . "#" . $a_anchor;
        }

        return $script;
    }

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getHTML()

ilCtrl::getHTML	(		$a_gui_object,
		array	$a_parameters = null
	)

Gets an HTML output from another GUI class and returns the flow of control to the calling class.

Parameters

object	$a_gui_object	GUI class that implements getHTML() method to return its HTML
array | null	$a_parameters	parameter array

Returns

string

Exceptions

ilCtrlException

Definition at line 224 of file class.ilCtrl.php.

References getCmd(), and getNodeIdForTargetClass().

    {
        $class = strtolower(get_class($a_gui_object));

        $nr = $this->getNodeIdForTargetClass($this->current_node, $class);
        $nr = $nr["node_id"];
        if ($nr != "") {
            $current_node = $this->current_node;
            
            // set current node to new gui class
            $this->current_node = $nr;
            
            // always populate the call history
            // it will only be displayed in DEVMODE but is needed for UI plugins, too
            $this->call_hist[] = array("class" => get_class($a_gui_object),
                    "mode" => "getHtml", "cmd" => $this->getCmd());
            
            // get block
            if ($a_parameters != null) {
                $html = $a_gui_object->getHTML($a_parameters);
            } else {
                $html = $a_gui_object->getHTML();
            }
            
            // reset current node
            $this->current_node = $current_node;
            
            // return block
            return $html;
        }

        include_once("./Services/UICore/exceptions/class.ilCtrlException.php");
        throw new ilCtrlException("ERROR: Can't getHTML from class $class.");
    }

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getLinkTarget()

ilCtrl::getLinkTarget	(		$a_gui_obj,
			$a_cmd = "",
			$a_anchor = "",
			$a_asynch = false,
			$xml_style = false
	)

Get link target for command using gui object.

Parameters

object	gui object (usually $this)
string	command
string	# anchor
boolean	asynchronous mode
boolean	xml style t/f

Returns

string target link

Definition at line 1329 of file class.ilCtrl.php.

References getLinkTargetByClass().

Referenced by ilWorkflowEngineDefinitionsTableGUI\fillRow(), ilObjWorkflowEngineGUI\initLocator(), ilObjWorkflowEngineGUI\prepareAdminOutput(), and ilChatroomViewGUI\showRoom().

      {
        $script = $this->getLinkTargetByClass(
            strtolower(get_class($a_gui_obj)),
            $a_cmd,
            $a_anchor,
            $a_asynch,
            $xml_style
        );
        return $script;
    }

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getLinkTargetByClass()

ilCtrl::getLinkTargetByClass	(		$a_class,
			$a_cmd = "",
			$a_anchor = "",
			$a_asynch = false,
			$xml_style = false
	)

Get link target for command using gui class name.

Parameters

string/array	command target class
string	command
string	# anchor
boolean	asynchronous mode
boolean	xml style t/f

Returns

string target link

Definition at line 1358 of file class.ilCtrl.php.

References getTargetScript(), and getUrlParameters().

Referenced by ilObjectPermissionStatusGUI\addToolbar(), ilHistoryTableGUI\fillRow(), ilObjStudyProgrammeReferenceListGUI\getCommandLink(), getFormActionByClass(), getLinkTarget(), ilObjWorkflowEngineGUI\prepareAdminOutput(), redirect(), redirectByClass(), and ilChatroomViewGUI\showRoom().

      {
        if ($a_asynch) {
            $xml_style = false;
        }
        
        $script = $this->getTargetScript();
        $script = $this->getUrlParameters($a_class, $script, $a_cmd, $xml_style);

        if ($a_asynch) {
            $amp = "&";
            $script .= $amp . "cmdMode=asynch";
        }
        
        if ($a_anchor != "") {
            $script = $script . "#" . $a_anchor;
        }

        return $script;
    }

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getModuleDir()

ilCtrl::getModuleDir

(

)

get directory of current module

Deprecated:

Returns

mixed

Exceptions

Exception

Definition at line 173 of file class.ilCtrl.php.

    {
        throw new Exception("ilCtrl::getModuleDir is deprecated.");
        //return $this->module_dir;
    }

getNextClass()

ilCtrl::getNextClass

(

$a_gui_class = null

)

Get next class in the control path from the current class to the target command class.

This is the class that should be instantiated and be invoked via $ilCtrl->forwardCommand($class) next.

Returns

string class name of next class

Definition at line 745 of file class.ilCtrl.php.

References checkLPSettingsForward(), getCmdNode(), getCurrentCidOfNode(), getPathNew(), and readCidInfo().

Referenced by ilLTIRouterGUI\executeCommand(), ilTestSignatureGUI\executeCommand(), ilObjectPermissionStatusGUI\executeCommand(), and ilObjWorkflowEngineGUI\executeCommand().

    {
        $cmdNode = $this->getCmdNode();
        if ($cmdNode == "") {
            return ($class = $this->checkLPSettingsForward($a_gui_class, $cmdNode))
                ? $class
                : false;
        } else {
            if ($this->current_node == $cmdNode) {
                return ($class = $this->checkLPSettingsForward($a_gui_class, $cmdNode))
                    ? $class
                    : "";
            } else {
                $path = $this->getPathNew($this->current_node, $cmdNode);
                $this->readCidInfo($this->getCurrentCidOfNode($path[1]));
                return $this->cid_class[$this->getCurrentCidOfNode($path[1])];
            }
        }
    }

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getNodeIdForTargetClass()

ilCtrl::getNodeIdForTargetClass (   $a_par_node,   $a_class,   $a_check = false  )

private

Searches a node for a given class ($a_class) "near" another node ($a_par_node).

It first looks if the given class is a child class of the current node. If such a child node has been found, its id is returned.

If not, this method determines, whether the given class is a sibling of the current node within the call structure. If this is the case, then the corresponding id is returned.

At last the method searches for the given class along the path from the current node to the root class of the call structure.

Parameters

string	$a_par_node	id of starting node for the search
string	$a_class	class that should be searched
bool	$a_check

Returns

array|bool id of target node that has been found

Exceptions

ilCtrlException

Definition at line 336 of file class.ilCtrl.php.

References getCallStructure(), getCidForClass(), getClassForCid(), getCurrentCidOfNode(), ilCachedCtrl\getInstance(), getParentCidOfNode(), readClassInfo(), readNodeInfo(), and removeLastCid().

Referenced by checkLPSettingsForward(), checkTargetClass(), forwardCommand(), getHTML(), getParameterArrayByClass(), searchReturnClass(), and setCmdClass().

    {
        $class = strtolower($a_class);
        $this->readClassInfo($class);
        
        if ($a_par_node === 0 || $a_par_node == "") {
            return array("node_id" => $this->getCidForClass($class),
                "base_class" => $class);
        }
        
        $this->readNodeInfo($a_par_node);
        
        $node_cid = $this->getCurrentCidOfNode($a_par_node);

        // target class is class of current node id
        if ($class == $this->getClassForCid($node_cid)) {
            return array("node_id" => $a_par_node,
                "base_class" => "");
        }

        // target class is child of current node id
        if (isset($this->calls[$this->getClassForCid($node_cid)]) &&
            is_array($this->calls[$this->getClassForCid($node_cid)]) &&
            in_array($a_class, $this->calls[$this->getClassForCid($node_cid)])) {
            return array("node_id" => $a_par_node . ":" . $this->getCidForClass($class),
                "base_class" => "");
        }

        // target class is sibling
        $par_cid = $this->getParentCidOfNode($a_par_node);
        if ($par_cid != "") {
            if (is_array($this->calls[$this->getClassForCid($par_cid)]) &&
                in_array($a_class, $this->calls[$this->getClassForCid($par_cid)])) {
                return array("node_id" =>
                    $this->removeLastCid($a_par_node) . ":" . $this->getCidForClass($class),
                    "base_class" => "");
            }
        }

        // target class is parent
        $temp_node = $this->removeLastCid($a_par_node);
        while ($temp_node != "") {
            $temp_cid = $this->getCurrentCidOfNode($temp_node);
            if ($this->getClassForCid($temp_cid) == $a_class) {
                return array("node_id" => $temp_node,
                    "base_class" => "");
            }
            $temp_node = $this->removeLastCid($temp_node);
        }
        
        // target class is another base class
        $n_class = "";
        if ($a_class != "") {
            $module_class = ilCachedCtrl::getInstance();
            $mc_rec = $module_class->lookupModuleClass($class);
            $n_class = $mc_rec['lower_class'];

            if ($n_class == "") {
                $mc_rec = $module_class->lookupServiceClass($class);
                $n_class = $mc_rec['lower_class'];
            }
            
            if ($n_class != "") {
                $this->getCallStructure($n_class);
                return array("node_id" => $this->getCidForClass($n_class),
                    "base_class" => $class);
            }
        }

        if ($a_check) {
            return false;
        }
        
        // Please do NOT change these lines.
        // Developers must be aware, if they use classes unknown to the controller
        // otherwise certain problem will be extremely hard to track down...

        error_log("ERROR: Can't find target class $a_class for node $a_par_node " .
            "(" . $this->cid_class[$this->getParentCidOfNode($a_par_node)] . ")");
            
        include_once("./Services/UICore/exceptions/class.ilCtrlException.php");
        throw new ilCtrlException("ERROR: Can't find target class $a_class for node $a_par_node " .
            "(" . $this->cid_class[$this->getParentCidOfNode($a_par_node)] . ").");
    }

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getParameterArray()

ilCtrl::getParameterArray	(		$a_gui_obj,
			$a_cmd = ""
	)

Get all set/save parameters for a gui object.

Definition at line 1527 of file class.ilCtrl.php.

References getParameterArrayByClass().

    {
        $par_arr = $this->getParameterArrayByClass(strtolower(get_class($a_gui_obj)), $a_cmd);

        return $par_arr;
    }

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getParameterArrayByClass()

ilCtrl::getParameterArrayByClass	(		$a_class,
			$a_cmd = ""
	)

Get all set/save parameters using gui class name.

Parameters

string	class name
string	cmd $

Returns

array parameter array

Definition at line 1541 of file class.ilCtrl.php.

References $_GET, $_POST, getClassForCid(), getCurrentCidOfNode(), getNodeIdForTargetClass(), getPathNew(), and ilUtil\stripSlashesRecursive().

Referenced by getParameterArray(), and getUrlParameters().

    {
        if ($a_class == "") {
            return array();
        }

        if (!is_array($a_class)) {
            $a_class = array($a_class);
        }

        $nr = $this->current_node;
        $new_baseclass = "";
        foreach ($a_class as $class) {
            $class = strtolower($class);
            $nr = $this->getNodeIdForTargetClass($nr, $class);
            if ($nr["base_class"] != "") {
                $new_baseclass = $nr["base_class"];
            }
            $nr = $nr["node_id"];
            $target_class = $class;
        }

        $path = $this->getPathNew(1, $nr);
        $params = array();

        // append parameters of parent classes
        foreach ($path as $node_id) {
            $class = ($node_id == "")
                ? strtolower($_GET["baseClass"])
                : $this->getClassForCid($this->getCurrentCidOfNode($node_id));
            if (isset($this->save_parameter[$class]) && is_array($this->save_parameter[$class])) {
                foreach ($this->save_parameter[$class] as $par) {
                    if (isset($_GET[$par])) {
                        $params[$par] = $_GET[$par];
                    } elseif (isset($_POST[$par])) {
                        $params[$par] = ilUtil::stripSlashesRecursive($_POST[$par]);
                    }
                }
            }

            if (isset($this->parameter[$class]) && is_array($this->parameter[$class])) {
                foreach ($this->parameter[$class] as $par => $value) {
                    $params[$par] = $value;
                }
            }
        }

        if ($a_cmd != "") {
            $params["cmd"] = $a_cmd;
        }

        $params["cmdClass"] = $target_class;
        $params["cmdNode"] = $nr;
        if ($new_baseclass == "") {
            $params["baseClass"] = $_GET["baseClass"];
        } else {
            $params["baseClass"] = $new_baseclass;
        }

        return $params;
    }

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getParentCidOfNode()

ilCtrl::getParentCidOfNode (   $a_node )

private

Get 2nd to last class id of node.

Definition at line 1740 of file class.ilCtrl.php.

Referenced by getNodeIdForTargetClass().

    {
        $class_ids = explode(":", $a_node);
        return $class_ids[count($class_ids) - 2];
    }

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getParentReturn()

ilCtrl::getParentReturn

(

$a_gui_obj

)

Get return script url.

Used in conjunction with ilTabs->setBackTarget and ilBlockGUI->addHeaderCommand.

Definition at line 1435 of file class.ilCtrl.php.

References getParentReturnByClass().

Referenced by returnToParent().

    {
        return $this->getParentReturnByClass(strtolower(get_class($a_gui_obj)));
    }

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getParentReturnByClass()

ilCtrl::getParentReturnByClass (   $a_class )

protected

Get return script url.

Only used in getParentReturn.

Definition at line 1446 of file class.ilCtrl.php.

References searchReturnClass().

Referenced by getParentReturn().

    {
        $a_class = strtolower($a_class);
        $ret_class = $this->searchReturnClass($a_class);
        if ($ret_class) {
            return $this->return[$ret_class];
        }
    }

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getPathNew()

ilCtrl::getPathNew (   $a_source_node,   $a_target_node  )

private

Get path in call structure.

Parameters

string	$a_source_node	source node id
string	$a_source_node	target node id

Definition at line 808 of file class.ilCtrl.php.

References $failure, $GLOBALS, and redirectToURL().

Referenced by getNextClass(), and getParameterArrayByClass().

    {
        if ($a_source_node == "1") {
            $a_source_node = "";
        }
        if (substr($a_target_node, 0, strlen($a_source_node)) != $a_source_node) {
            $failure = "ERROR: Path not found. Source:" . $a_source_node .
                ", Target:" . $a_target_node;
            if (DEVMODE == 1) {
                include_once("./Services/UICore/exceptions/class.ilCtrlException.php");
                throw new ilCtrlException($failure);
            }
            $GLOBALS['ilLog']->write(__METHOD__ . ' ' . $failure);
            $this->redirectToURL('./ilias.php?baseClass=ilRepositoryGUI');
        }
        $temp_node = $a_source_node;
        
        $path = array();
        if ($a_source_node != "") {
            $path = array($a_source_node);
        }
        
        $diffstart = ($a_source_node == "")
            ? 0
            : strlen($a_source_node) + 1;
        $diff = substr($a_target_node, $diffstart);
        $diff_arr = explode(":", $diff);
        foreach ($diff_arr as $cid) {
            if ($temp_node != "") {
                $temp_node .= ":";
            }
            $temp_node .= $cid;
            $path[] = $temp_node;
        }
        return $path;
    }

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getRedirectSource()

ilCtrl::getRedirectSource

(

)

Get current redirect source.

Returns

string redirect source class

Definition at line 1498 of file class.ilCtrl.php.

References $_GET.

    {
        return $_GET["redirectSource"];
    }

getRequestToken()

ilCtrl::getRequestToken

(

)

Get request token.

Returns

string request token for user and session

Definition at line 1082 of file class.ilCtrl.php.

References $DIC, $ilDB, $ilUser, $res, $rtoken, IL_CAL_DATETIME, IL_CAL_DAY, IL_CAL_HOUR, and IL_CAL_UNIX.

Referenced by appendRequestTokenParameterString(), and getFormActionByClass().

    {
        global $DIC;

        $ilUser = $DIC["ilUser"];
        $ilDB = $DIC->database();

        
        if ($this->rtoken != "") {
            return $this->rtoken;
        } else {
            if (is_object($ilDB) && is_object($ilUser) && $ilUser->getId() > 0 &&
                $ilUser->getId() != ANONYMOUS_USER_ID) {
                $res = $ilDB->query("SELECT token FROM il_request_token WHERE user_id = " .
                    $ilDB->quote($ilUser->getId(), "integer") .
                    " AND session_id = " . $ilDB->quote(session_id(), "text"));
                $rec = $ilDB->fetchAssoc($res);
                if ($rec["token"] != "") {
                    $this->rtoken = $rec["token"];
                    return $rec["token"];
                }
                //echo "new rtoken, new entry for :".$ilUser->getId().":".session_id().":"; exit;
                $random = new \ilRandom();
                $this->rtoken = md5(uniqid($random->int(), true));
                
                // delete entries older than one and a half days
                if ($random->int(1, 200) == 2) {
                    $dt = new ilDateTime(time(), IL_CAL_UNIX);
                    $dt->increment(IL_CAL_DAY, -1);
                    $dt->increment(IL_CAL_HOUR, -12);
                    $dq = "DELETE FROM il_request_token WHERE " .
                        " stamp < " . $ilDB->quote($dt->get(IL_CAL_DATETIME), "timestamp");
                    $ilDB->manipulate($dq);
                }
                
                // IMPORTANT: Please do NOT try to move this implementation to a
                // session basis. This will fail due to framesets that are used
                // occasionally in ILIAS, e.g. in the chat, where multiple
                // forms are loaded in different frames.
                $ilDB->manipulate("INSERT INTO il_request_token (user_id, token, stamp, session_id) VALUES " .
                    "(" .
                    $ilDB->quote($ilUser->getId(), "integer") . "," .
                    $ilDB->quote($this->rtoken, "text") . "," .
                    $ilDB->now() . "," .
                    $ilDB->quote(session_id(), "text") . ")");
                return $this->rtoken;
            }
        }
        return "";
    }

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getReturnClass()

ilCtrl::getReturnClass

(

$a_class

)

Get return class.

Only used in COPage/ilPCParagraphGUI and COPage/ilPCPlaceHolderGUI

Parameters

string | object

$class

Returns

string|bool

Definition at line 1463 of file class.ilCtrl.php.

References searchReturnClass().

    {
        if (is_object($a_class)) {
            $class = strtolower(get_class($a_class));
        } else {
            $class = strtolower($a_class);
        }
        return $this->searchReturnClass($class);
    }

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getTabs()

ilCtrl::getTabs

(

)

Get tabs array (.

Deprecated:

, use $ilTabs)

Returns

array array of tab entries (array("lang_var", "link", "cmd", "class))

Definition at line 481 of file class.ilCtrl.php.

References $tab.

    {
        return $this->tab;
    }

getTargetScript()

ilCtrl::getTargetScript

(

)

Get target script name.

Returns

string target script name

Definition at line 861 of file class.ilCtrl.php.

References $target_script.

Referenced by getLinkTargetByClass(), setReturn(), and setReturnByClass().

                                      : string
    {
        return $this->target_script;
    }

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getUrlParameters()

ilCtrl::getUrlParameters	(		$a_class,
			$a_str,
			$a_cmd = "",
			$xml_style = false
	)

Get URL parameters for a class and append them to a string.

Parameters

	$a_class
	$a_str
string	$a_cmd	command
bool	$xml_style

Returns

string

Definition at line 1511 of file class.ilCtrl.php.

References ilUtil\appendUrlParameterString(), and getParameterArrayByClass().

Referenced by getLinkTargetByClass(), setReturn(), and setReturnByClass().

    {
        $params = $this->getParameterArrayByClass($a_class, $a_cmd);

        foreach ($params as $par => $value) {
            if (strlen((string) $value)) {
                $a_str = ilUtil::appendUrlParameterString($a_str, $par . "=" . $value, $xml_style);
            }
        }

        return $a_str;
    }

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initBaseClass()

ilCtrl::initBaseClass

(

$a_base_class

)

Initialises new base class.

Note: this resets the whole current ilCtrl context completely. You can call callBaseClass() after that.

Parameters

string

base class name

Definition at line 875 of file class.ilCtrl.php.

References $_GET, and initializeMemberVariables().

    {
        $_GET["baseClass"] = $a_base_class;
        $_GET["cmd"] = "";
        $_GET["cmdClass"] = "";
        $_GET["cmdNode"] = "";
        $this->initializeMemberVariables();
    }

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initializeMemberVariables()

ilCtrl::initializeMemberVariables ( )

protected

Initialize member variables.

This is used in __construct and initBaseClass.

Definition at line 108 of file class.ilCtrl.php.

Referenced by __construct(), and initBaseClass().

    {
        $this->save_parameter = array();
        $this->parameter = array();                     // save parameter array
        $this->return = array();                        // return commmands
        $this->tab = array();
        $this->current_node = 0;
        $this->call_node = array();
        $this->root_class = "";
    }

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insertCtrlCalls()

ilCtrl::insertCtrlCalls	(		$a_parent,
			$a_child,
			$a_comp_prefix
	)

Insert ctrl calls record.

Parameters

Definition at line 1770 of file class.ilCtrl.php.

References $DIC, and $ilDB.

    {
        global $DIC;

        $ilDB = $DIC->database();
        ;

        $a_parent = strtolower($a_parent);
        $a_child = strtolower($a_child);
        $a_comp_prefix = strtolower($a_comp_prefix);

        $set = $ilDB->query(
            "SELECT * FROM ctrl_calls WHERE " .
            " parent = " . $ilDB->quote($a_parent, "text") . " AND " .
            " child = " . $ilDB->quote($a_child, "text") . " AND " .
            " comp_prefix = " . $ilDB->quote($a_comp_prefix, "text")
            );
        if ($rec = $ilDB->fetchAssoc($set)) {
            return;
        }
        $ilDB->manipulate("INSERT INTO ctrl_calls " .
            "(parent, child, comp_prefix) VALUES (" .
            $ilDB->quote($a_parent, "text") . "," .
            $ilDB->quote($a_child, "text") . "," .
            $ilDB->quote($a_comp_prefix, "text") .
            ")");
    }

isAsynch()

ilCtrl::isAsynch

(

)

Is current command an asynchronous command?

Returns

boolean asynchronous t/f

Definition at line 1308 of file class.ilCtrl.php.

References $_GET.

    {
        if (isset($_GET["cmdMode"]) && $_GET["cmdMode"] == "asynch") {
            return true;
        } else {
            return false;
        }
    }

lookupClassPath()

ilCtrl::lookupClassPath

(

$a_class_name

)

Get class path that can be used in include statements for a given class name.

Parameters

string

$a_class_name

class name

Definition at line 771 of file class.ilCtrl.php.

References ilCachedCtrl\getInstance().

Referenced by ilLTIRouterGUI\executeCommand().

    {
        $a_class_name = strtolower($a_class_name);

        $cached_ctrl = ilCachedCtrl::getInstance();
        $class_rec = $cached_ctrl->lookupClassFile($a_class_name);

        if ($class_rec["plugin_path"] != "") {
            return $class_rec["plugin_path"] . "/" . $class_rec["filename"];
        } else {
            return $class_rec["filename"];
        }
    }

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readCallStructure()

ilCtrl::readCallStructure	(		$a_class,
			$a_nr = 0,
			$a_parent = 0
	)

Reads call structure from db.

Definition at line 521 of file class.ilCtrl.php.

References $DIC, and $ilDB.

    {
        global $DIC;

        $ilDB = $DIC->database();

        $a_class = strtolower($a_class);

        $a_nr++;
        
        // determine call node structure
        $this->call_node[$a_nr] = array("class" => $a_class, "parent" => $a_parent);

        $call_set = $ilDB->query("SELECT * FROM ctrl_calls WHERE parent = " .
            $ilDB->quote(strtolower($a_class), "text") .
            " ORDER BY child", array("text"));
        $a_parent = $a_nr;
        while ($call_rec = $ilDB->fetchAssoc($call_set)) {
            $a_nr = $this->readCallStructure($call_rec["child"], $a_nr, $a_parent);
            $forw[] = $call_rec["child"];
        }

        // determine root class
        $this->root_class = $a_class;
        return $a_nr;
    }

readCidInfo()

ilCtrl::readCidInfo (   $a_cid )

private

Save class respective to $a_cid and store corresponding class calls for future reference.

Parameters

object

$a_cid

cid

Definition at line 1667 of file class.ilCtrl.php.

References fetchCallsOfClassFromCache(), ilCachedCtrl\getInstance(), and updateClassCidMap().

Referenced by getClassForCid(), getNextClass(), and readNodeInfo().

    {
        if (isset($this->info_read_cid[$a_cid])) {
            return;
        }

        $cached_ctrl = ilCachedCtrl::getInstance();
        $cid_info = $cached_ctrl->lookupCid($a_cid);

        if ($cid_info) {
            $this->updateClassCidMap($cid_info['class'], $a_cid);
            $this->fetchCallsOfClassFromCache($cid_info['class'], $cached_ctrl);
            $this->info_read_class[$cid_info["class"]] = true;
        }
        
        $this->info_read_cid[$a_cid] = true;
    }

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readClassInfo()

ilCtrl::readClassInfo (   $a_class )

private

Save class id respective to $a_class and store corresponding class calls for future reference.

Parameters

object

$a_class

class name

Definition at line 1705 of file class.ilCtrl.php.

References fetchCallsOfClassFromCache(), ilCachedCtrl\getInstance(), and updateClassCidMap().

Referenced by getCallStructure(), getCidForClass(), and getNodeIdForTargetClass().

    {
        $a_class = strtolower($a_class);
        if (isset($this->info_read_class[$a_class])) {
            return;
        }

        $cached_ctrl = ilCachedCtrl::getInstance();
        $class_info = $cached_ctrl->lookupClassFile($a_class);

        if ($class_info) {
            $this->updateClassCidMap($a_class, $class_info['cid']);
        }
        $this->fetchCallsOfClassFromCache($a_class, $cached_ctrl);
        
        $this->info_read_class[$a_class] = true;
        $this->info_read_cid[$this->class_cid[$a_class]] = true;
    }

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readNodeInfo()

ilCtrl::readNodeInfo (   $a_node )

private

Save classes respective to the class id's of a node and store corresponding class calls for future reference.

Parameters

string

$a_node

Definition at line 1691 of file class.ilCtrl.php.

References readCidInfo().

Referenced by getNodeIdForTargetClass().

    {
        $class_ids = explode(":", $a_node);
        foreach ($class_ids as $cid) {
            $this->readCidInfo($cid);
        }
    }

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redirect()

ilCtrl::redirect	(		$a_gui_obj,
			$a_cmd = "",
			$a_anchor = "",
			$a_asynch = false
	)

Redirect to another command.

Parameters

object	gui object
string	command
string	anchor

Definition at line 1212 of file class.ilCtrl.php.

References getLinkTargetByClass(), and redirectToURL().

Referenced by ilChatroomAdminSmileyGUI\confirmedDeleteMultipleObject(), ilChatroomBanGUI\delete(), ilChatroomAdminSmileyGUI\deleteMultipleObject(), ilChatroomAdminSmileyGUI\deleteSmileyObject(), ilChatroomAdminViewGUI\executeDefault(), ilChatroomViewGUI\executeDefault(), ilChatroomViewGUI\invitePD(), ilChatroomCreateGUI\save(), ilChatroomAdminViewGUI\saveClientSettings(), ilChatroomSettingsGUI\saveGeneral(), and ilChatroomAdminViewGUI\saveSettings().

    {
        $script = $this->getLinkTargetByClass(
            strtolower(get_class($a_gui_obj)),
            $a_cmd,
            "",
            $a_asynch,
            false
        );
        if ($a_anchor != "") {
            $script = $script . "#" . $a_anchor;
        }
        $this->redirectToURL($script);
    }

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redirectByClass()

ilCtrl::redirectByClass	(		$a_class,
			$a_cmd = "",
			$a_anchor = "",
			$a_asynch = false
	)

Redirect to other gui class using class name.

Parameters

string	command target class
string	command

Definition at line 1294 of file class.ilCtrl.php.

References getLinkTargetByClass(), and redirectToURL().

Referenced by checkLPSettingsForward(), ilChatroomSettingsGUI\general(), ilChatroomViewGUI\logout(), ilChatroomViewGUI\lostConnection(), ilChatroomGUIHandler\redirectIfNoPermission(), ilChatroomViewGUI\showRoom(), and ilChatroomKickGUI\sub().

    {
        $script = $this->getLinkTargetByClass($a_class, $a_cmd, "", $a_asynch, false);
        if ($a_anchor != "") {
            $script = $script . "#" . $a_anchor;
        }
        $this->redirectToURL($script);
    }

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redirectToURL()

ilCtrl::redirectToURL

(

$a_script

)

Parameters

$a_script

Definition at line 1231 of file class.ilCtrl.php.

References $_SERVER, $DIC, $http, XapiProxy\$resp, exit, ilPluginAdmin\getPluginObject(), IL_COMP_SERVICE, ILIAS_HTTP_PATH, ilUIHookPluginGUI\KEEP, and ILIAS\Filesystem\Stream\Streams\ofString().

Referenced by getPathNew(), redirect(), redirectByClass(), and returnToParent().

    {
        global $DIC;

        $ilPluginAdmin = null;
        if (isset($DIC["ilPluginAdmin"])) {
            $ilPluginAdmin = $DIC["ilPluginAdmin"];
        }

        if (!is_int(strpos($a_script, "://"))) {
            if (substr($a_script, 0, 1) != "/" && defined("ILIAS_HTTP_PATH")) {
                if (is_int(strpos($_SERVER["PHP_SELF"], "/setup/"))) {
                    $a_script = "setup/" . $a_script;
                }
                $a_script = ILIAS_HTTP_PATH . "/" . $a_script;
            }
        }

        // include the user interface hook
        if (is_object($ilPluginAdmin)) {
            $pl_names = $ilPluginAdmin->getActivePluginsForSlot(IL_COMP_SERVICE, "UIComponent", "uihk");
            foreach ($pl_names as $pl) {
                $ui_plugin = ilPluginAdmin::getPluginObject(IL_COMP_SERVICE, "UIComponent", "uihk", $pl);
                $gui_class = $ui_plugin->getUIClassInstance();
                $resp = $gui_class->getHTML("Services/Utilities", "redirect", array( "html" => $a_script ));
                if ($resp["mode"] != ilUIHookPluginGUI::KEEP) {
                    $a_script = $gui_class->modifyHTML($a_script, $resp);
                }
            }
        }

        // Manually trigger to write and close the session. This has the advantage that if an exception is thrown
        // during the writing of the session (ILIAS writes the session into the database by default) we get an exception
        // if the session_write_close() is triggered by exit() then the exception will be dismissed but the session
        // is never written, which is a nightmare to develop with.
        session_write_close();

        global $DIC;
        $http = $DIC->http();
        switch ($http->request()->getHeaderLine('Accept')) {
            case 'application/json':
                $stream = \ILIAS\Filesystem\Stream\Streams::ofString(json_encode([
                    'success' => true,
                    'message' => 'Called redirect after async fileupload request',
                    "redirect_url" => $a_script,
                ]));
                $http->saveResponse($http->response()->withBody($stream));
                break;
            default:
                $http->saveResponse($http->response()->withAddedHeader("Location", $a_script));
                break;
        }
        $http->sendResponse();
        exit;
    }

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removeLastCid()

ilCtrl::removeLastCid (   $a_node )

private

Remove the class id that comes at the beginning the sequence.

Definition at line 1749 of file class.ilCtrl.php.

Referenced by getNodeIdForTargetClass().

    {
        $lpos = strrpos($a_node, ":");
        return substr($a_node, 0, $lpos);
    }

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returnToParent()

ilCtrl::returnToParent	(		$a_gui_obj,
			$a_anchor = ""
	)

Redirects to next parent class that used setReturn.

Definition at line 1410 of file class.ilCtrl.php.

References $_GET, ilUtil\appendUrlParameterString(), getParentReturn(), and redirectToURL().

    {
        $script = $this->getParentReturn($a_gui_obj);

        $script = ilUtil::appendUrlParameterString(
            $script,
            "redirectSource=" . strtolower(get_class($a_gui_obj))
        );
        $script = ilUtil::appendUrlParameterString(
            $script,
            "cmdMode=" . $_GET["cmdMode"]
        );
        if ($a_anchor != "") {
            $script = $script . "#" . $a_anchor;
        }

        $this->redirectToURL($script);
    }

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saveParameter()

ilCtrl::saveParameter	(		$a_obj,
			$a_parameter
	)

Set parameters that should be passed in every form and link of a gui class.

All links that relate to the specified gui object class and are build e.g. by using getLinkTarger() or getFormAction() will include this parameter. This is the mechanism to add url parameters to the standard url target everytime.

A typical example is the "ref_id" that should be included in almost every link or form action url. So the constructor of ilRepositoryGUI includes the command:

$this->ctrl->saveParameter($this, array("ref_id"));

Parameters

object	$a_obj	gui object that will process the parameter
mixed	$a_parameter	parameter name (string) or array of parameter names

public

Definition at line 567 of file class.ilCtrl.php.

References saveParameterByClass().

Referenced by ilChatroomAdminSmileyGUI\initSmiliesEditForm(), and ilChatroomViewGUI\showNameSelection().

    {
        if (is_object($a_obj)) {
            $this->saveParameterByClass(get_class($a_obj), $a_parameter);
        }
    }

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saveParameterByClass()

ilCtrl::saveParameterByClass	(		$a_class,
			$a_parameter
	)

Save parameter for a class.

Parameters

string	class name
string	parameter name

Definition at line 580 of file class.ilCtrl.php.

References $parameter.

Referenced by saveParameter().

    {
        if (is_array($a_parameter)) {
            foreach ($a_parameter as $parameter) {
                $this->save_parameter[strtolower($a_class)][] = $parameter;
            }
        } else {
            $this->save_parameter[strtolower($a_class)][] = $a_parameter;
        }
    }

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searchReturnClass()

ilCtrl::searchReturnClass (   $a_class )

private

Determine current return class.

Definition at line 1477 of file class.ilCtrl.php.

References $i, getClassForCid(), and getNodeIdForTargetClass().

Referenced by getParentReturnByClass(), and getReturnClass().

    {
        $a_class = strtolower($a_class);

        $node = $this->getNodeIdForTargetClass($this->current_node, $a_class);
        $node = $node["node_id"];
        $n_arr = explode(":", $node);
        for ($i = count($n_arr) - 2; $i >= 0; $i--) {
            if ($this->return[$this->getClassForCid($n_arr[$i])] != "") {
                return $this->getClassForCid($n_arr[$i]);
            }
        }

        return false;
    }

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setCmd()

ilCtrl::setCmd

(

$a_cmd

)

Set the current command.

IMPORTANT NOTE:

please use this function only in exceptional cases it is not intended for setting commands in forms or links! use the corresponding parameters of getFormAction() and getLinkTarget() instead.

Definition at line 958 of file class.ilCtrl.php.

References $_GET.

Referenced by ilChatroomInfoGUI\executeDefault().

    {
        $_GET["cmd"] = $a_cmd;
    }

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setCmdClass()

ilCtrl::setCmdClass

(

$a_cmd_class

)

Set the current command class.

IMPORTANT NOTE:

please use this function only in exceptional cases it is not intended for setting the command class in forms or links! use the corresponding parameters of getFormAction() and getLinkTarget() instead.

Definition at line 973 of file class.ilCtrl.php.

References $_GET, and getNodeIdForTargetClass().

    {
        $a_cmd_class = strtolower($a_cmd_class);
        $nr = $this->getNodeIdForTargetClass($this->current_node, $a_cmd_class);
        $nr = $nr["node_id"];
        $_GET["cmdClass"] = $a_cmd_class;
        $_GET["cmdNode"] = $nr;
    }

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setContext()

ilCtrl::setContext	(		$a_obj_id,
			$a_obj_type,
			$a_sub_obj_id = 0,
			$a_sub_obj_type = ""
	)

Set context of current user interface.

A context is a ILIAS repository object (obj ID + obj type) with an additional optional subobject (ID + Type)

Parameters

integer	object ID
string	object type
integer	subobject ID
string	subobject type

Definition at line 268 of file class.ilCtrl.php.

    {
        $this->context_obj_id = $a_obj_id;
        $this->context_obj_type = $a_obj_type;
        $this->context_sub_obj_id = $a_sub_obj_id;
        $this->context_sub_obj_type = $a_sub_obj_type;
    }

setParameter()

ilCtrl::setParameter	(		$a_obj,
			$a_parameter,
			$a_value
	)

Set parameters that should be passed a form and link of a gui class.

All links that relate to the specified gui object class and are build e.g. by using getLinkTarger() or getFormAction() will include this parameter. This is the mechanism to add url parameters to the standard url target. The difference to the saveParameter() method is, that setParameter() does not simply forward the url parameter of the last request. You can set a spefific value.

If this parameter is also a "saved parameter" (set by saveParameter() method) the saved value will be overwritten.

The method is usually used in conjunction with a getFormAction() or getLinkTarget() call. E.g.:

    $this->ctrl->setParameter($this, "obj_id", $data_row["obj_id"]);
    $obj_link = $this->ctrl->getLinkTarget($this, "view");

Parameters

object	$a_obj	gui object
string	$a_parameter	parameter name
string	$a_parameter	parameter value

Definition at line 614 of file class.ilCtrl.php.

Referenced by ilWorkflowEngineDefinitionsTableGUI\fillRow(), ilObjWorkflowEngineGUI\initLocator(), ilChatroomViewGUI\invitePD(), and ilChatroomCreateGUI\save().

    {
        $this->parameter[strtolower(get_class($a_obj))][$a_parameter] = $a_value;
    }

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setParameterByClass()

ilCtrl::setParameterByClass	(		$a_class,
			$a_parameter,
			$a_value
	)

Same as setParameterByClass, except that a class name is passed.

Parameters

string	$a_class	gui class name
string	$a_parameter	parameter name
string	$a_parameter	parameter value

Definition at line 627 of file class.ilCtrl.php.

Referenced by checkLPSettingsForward(), ilHistoryTableGUI\fillRow(), ilChatroomSettingsGUI\general(), ilObjStudyProgrammeReferenceListGUI\getCommandLink(), ilChatroomViewGUI\logout(), ilChatroomGUIHandler\redirectIfNoPermission(), and ilChatroomKickGUI\sub().

    {
        $this->parameter[strtolower($a_class)][$a_parameter] = $a_value;
    }

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setReturn()

ilCtrl::setReturn	(		$a_gui_obj,
			$a_cmd
	)

Set return command.

Definition at line 1387 of file class.ilCtrl.php.

References getTargetScript(), and getUrlParameters().

Referenced by ilObjectPermissionStatusGUI\executeCommand().

    {
        $script = $this->getTargetScript();
        $script = $this->getUrlParameters(strtolower(get_class($a_gui_obj)), $script, $a_cmd);
        $this->return[strtolower(get_class($a_gui_obj))] = $script;
    }

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setReturnByClass()

ilCtrl::setReturnByClass	(		$a_class,
			$a_cmd
	)

Set return command.

Definition at line 1397 of file class.ilCtrl.php.

References getTargetScript(), and getUrlParameters().

    {
        // may not be an array!
        $a_class = strtolower($a_class);

        $script = $this->getTargetScript();
        $script = $this->getUrlParameters($a_class, $script, $a_cmd);
        $this->return[strtolower($a_class)] = $script;
    }

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setTargetScript()

ilCtrl::setTargetScript

(

string

$a_target_script

)

set target script name

Parameters

string

$a_target_script

target script name

Definition at line 850 of file class.ilCtrl.php.

    {
        $this->target_script = $a_target_script;
    }

updateClassCidMap()

ilCtrl::updateClassCidMap (   $a_class,   $a_cid  )

private

Definition at line 1731 of file class.ilCtrl.php.

Referenced by readCidInfo(), and readClassInfo().

    {
        $this->cid_class[$a_cid] = $a_class;
        $this->class_cid[$a_class] = $a_cid;
    }

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verifyToken()

ilCtrl::verifyToken ( )

private

Verify Token.

Returns

boolean valid t/f

Definition at line 1138 of file class.ilCtrl.php.

References $_GET, $_SESSION, $DIC, $ilDB, $ilUser, IL_CAL_DATETIME, IL_CAL_DAY, IL_CAL_HOUR, and IL_CAL_UNIX.

Referenced by getCmd().

    {
        global $DIC;

        $ilUser = $DIC["ilUser"];

        $ilDB = $DIC->database();
        ;

        if (is_object($ilUser) && is_object($ilDB) && $ilUser->getId() > 0 &&
            $ilUser->getId() != ANONYMOUS_USER_ID) {
            if ($_GET["rtoken"] == "") {
                return false;
            }

            $set = $ilDB->query("SELECT * FROM il_request_token WHERE " .
                " user_id = " . $ilDB->quote($ilUser->getId(), "integer") . " AND " .
                " token = " . $ilDB->quote($_GET[self::IL_RTOKEN_NAME]), "text");
            if ($ilDB->numRows($set) > 0) {
                // remove tokens from older sessions
                // if we do this immediately, working with multiple windows does not work:
                // - window one: open form (with token a)
                // - window two: open form (with token b)
                // - submit window one: a is verified, but b must not be deleted immediately, otherwise
                // - window two: submit results in invalid token
                // see also bug #13551
                $dt = new ilDateTime(time(), IL_CAL_UNIX);
                $dt->increment(IL_CAL_DAY, -1);
                $dt->increment(IL_CAL_HOUR, -12);
                $ilDB->manipulate("DELETE FROM il_request_token WHERE " .
                    " user_id = " . $ilDB->quote($ilUser->getId(), "integer") . " AND " .
                    " session_id != " . $ilDB->quote(session_id(), "text") . " AND " .
                    " stamp < " . $ilDB->quote($dt->get(IL_CAL_DATETIME), "timestamp"));
                return true;
            } else {
                return false;
            }
            
            if ($_SESSION["rtokens"][$_GET[self::IL_RTOKEN_NAME]] != "") {
                // remove used token
                unset($_SESSION["rtokens"][$_GET[self::IL_RTOKEN_NAME]]);
                
                // remove old tokens
                if (count($_SESSION["rtokens"]) > 100) {
                    $to_remove = array();
                    $sec = 7200;                        // two hours

                    foreach ($_SESSION["rtokens"] as $tok => $time) {
                        if (time() - $time > $sec) {
                            $to_remove[] = $tok;
                        }
                    }
                    foreach ($to_remove as $tok) {
                        unset($_SESSION["rtokens"][$tok]);
                    }
                }
                
                return true;
            }
            return false;
        } else {
            return true;                // do not verify, if user or db object is missing
        }
        
        return false;
    }

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Field Documentation

$call_hist

ilCtrl::$call_hist = array()

protected

Stores the order in which different GUI classes were called.

TODO: Might better be called call_stack.

This is used in: forwardCommand, getHTML, getCallHistory

Definition at line 61 of file class.ilCtrl.php.

Referenced by getCallHistory().

$calls

ilCtrl::$calls = array()

protected

Stores which class calls which other class.

This is used in: getNodeIdForTargetClass, fetchCallsOfClassFromCache, callOfClassNotKnown

Definition at line 68 of file class.ilCtrl.php.

$module_dir

ilCtrl::$module_dir

protected

Definition at line 88 of file class.ilCtrl.php.

$parameter

ilCtrl::$parameter

protected

Definition at line 39 of file class.ilCtrl.php.

Referenced by saveParameterByClass().

$return

ilCtrl::$return

protected

Definition at line 52 of file class.ilCtrl.php.

$rtoken

ilCtrl::$rtoken = false

protected

Definition at line 77 of file class.ilCtrl.php.

Referenced by getRequestToken().

$save_parameter

ilCtrl::$save_parameter

protected

Definition at line 28 of file class.ilCtrl.php.

$target_script

ilCtrl::$target_script = "ilias.php"

protected

Definition at line 83 of file class.ilCtrl.php.

Referenced by getTargetScript().

IL_RTOKEN_NAME

const ilCtrl::IL_RTOKEN_NAME = 'rtoken'

Definition at line 17 of file class.ilCtrl.php.

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The documentation for this class was generated from the following file:

• Services/UICore/classes/class.ilCtrl.php