class ilConditionHandlerInterface More...

Collaboration diagram for ilConditionHandlerInterface:

Public Member Functions
	ilConditionHandlerInterface (&$gui_obj, $a_ref_id=null)
	setBackButtons ($a_btn_arr)
	getBackButtons ()
&	executeCommand ()
	setAutomaticValidation ($a_status)
	getAutomaticValidation ()
	setTargetId ($a_target_id)
	set target id
	getTargetId ()
	get target id
	setTargetRefId ($a_target_ref_id)
	set target ref id
	getTargetRefId ()
	get target ref id
	setTargetType ($a_target_type)
	set target type
	getTargetType ()
	get target type
	setTargetTitle ($a_target_title)
	set target title
	getTargetTitle ()
	get target title
	chi_init (&$chi_target_obj, $a_ref_id=null)
	listConditions ()
	edit ()
	updateCondition ()
	delete ()
	selector ()
	add ()
	assign ()
	assign new trigger condition to target
	chi_update ()
	__getConditionsOfTarget ()
	__showButtons ()

Data Fields
	$ctrl = null
	$lng
	$tpl
	$tree
	$ch_obj
	$target_obj
	$client_obj
	$target_id
	$target_type
	$target_title
	$target_ref_id
	$automatic_validation = true

Private Member Functions
	initFormCondition ($a_source_id, $a_condition_id=0, $a_mode= 'add')
	Init form for condition table.

Detailed Description

class ilConditionHandlerInterface

Author: Stefan Meyer meyer.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version

Id:: class.ilConditionHandlerInterface.php 35828 2012-07-27 12:14:34Z jluetzen

This class is aggregated in folders, groups which have a parent course object Since it is something like an interface, all varirables, methods have there own name space (names start with cci) to avoid collisions

ilConditionHandlerInterface:

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

Member Function Documentation

ilConditionHandlerInterface::__getConditionsOfTarget ( )

Definition at line 485 of file class.ilConditionHandlerInterface.php.

References ilConditionHandler\_getConditionsOfTarget(), getTargetId(), getTargetRefId(), and getTargetType().

Referenced by chi_update().

        {
                include_once './classes/class.ilConditionHandler.php';
                foreach(ilConditionHandler::_getConditionsOfTarget($this->getTargetRefId(),$this->getTargetId(), $this->getTargetType()) as $condition)
                {
                        if($condition['operator'] == 'not_member')
                        {
                                continue;
                        }
                        else
                        {
                                $cond[] = $condition;
                        }
                }
                return $cond ? $cond : array();
        }

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ilConditionHandlerInterface::__showButtons ( )

Definition at line 503 of file class.ilConditionHandlerInterface.php.

References getBackButtons().

        {
                if(!$this->getBackButtons())
                {
                        return false;
                }
                $this->tpl->addBlockfile("BUTTONS", "buttons", "tpl.buttons.html");
                foreach($this->getBackButtons() as $name => $link)
                {
                        $this->tpl->setCurrentBlock("btn_cell");
                        $this->tpl->setVariable("BTN_LINK",$link);
                        $this->tpl->setVariable("BTN_TXT",$this->lng->txt($name));
                        $this->tpl->parseCurrentBlock();
                }
        }

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ilConditionHandlerInterface::add ( )

Definition at line 373 of file class.ilConditionHandlerInterface.php.

References $_GET, initFormCondition(), selector(), and ilUtil\sendFailure().

Referenced by assign().

        {
                global $ilObjDataCache;
                if(!$_GET['source_id'])
                {
                        ilUtil::sendFailure("Missing id: condition_id");
                        $this->selector();
                        return false;
                }
                
                $this->initFormCondition((int) $_GET['source_id'],0,'add');
                $this->tpl->addBlockfile('ADM_CONTENT','adm_content','tpl.condition_handler_add.html');
                $this->tpl->setVariable('CONDITION_TABLE',$this->form->getHTML());              
        }

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ilConditionHandlerInterface::assign ( )

assign new trigger condition to target

Definition at line 393 of file class.ilConditionHandlerInterface.php.

References $_GET, $_POST, add(), ilLPCollections\deleteAll(), getAutomaticValidation(), ilObjectFactory\getInstanceByRefId(), getTargetId(), getTargetRefId(), getTargetType(), listConditions(), ilUtil\sendFailure(), ilUtil\sendSuccess(), and ilConditionHandler\UNIQUE_CONDITIONS.

        {
                if(!isset($_GET['source_id']))
                {
                        echo "class.ilConditionHandlerInterface: no source_id given";
                        return false;
                }
                if(!strlen($_POST['operator']))
                {
                        ilUtil::sendFailure($this->lng->txt('no_operator_selected'));
                        $this->add();
                        return false;
                }
                $this->ch_obj->setTargetRefId($this->getTargetRefId());
                $this->ch_obj->setTargetObjId($this->getTargetId());
                $this->ch_obj->setTargetType($this->getTargetType());
                
                switch($this->getTargetType())
                {
                        case 'st':
                                $this->ch_obj->setReferenceHandlingType($_POST['ref_handling']);
                                break;
                        
                        default:
                                $this->ch_obj->setReferenceHandlingType(ilConditionHandler::UNIQUE_CONDITIONS);
                                break;  
                }
                // this has to be changed, if non referenced trigger are implemted
                if(!$trigger_obj =& ilObjectFactory::getInstanceByRefId((int) $_GET['source_id'],false))
                {
                        echo 'ilConditionHandler: Trigger object does not exist';
                }
                $this->ch_obj->setTriggerRefId($trigger_obj->getRefId());
                $this->ch_obj->setTriggerObjId($trigger_obj->getId());
                $this->ch_obj->setTriggerType($trigger_obj->getType());
                $this->ch_obj->setOperator($_POST['operator']);
                $this->ch_obj->setValue('');
                // Save assigned sco's
                if($this->ch_obj->getTriggerType() == 'sahs')
                {
                        include_once 'Services/Tracking/classes/class.ilLPCollections.php';
                        $lp_collection = new ilLPCollections($this->ch_obj->getTriggerObjId());
                        $lp_collection->deleteAll();
                        $items = is_array($_POST['item_ids']) ? $_POST['item_ids'] : array();
                        foreach($items as $item_id)
                        {
                                $lp_collection->add($item_id);
                        }
                }
                $this->ch_obj->enableAutomaticValidation($this->getAutomaticValidation());
                if(!$this->ch_obj->storeCondition())
                {
                        ilUtil::sendFailure($this->ch_obj->getErrorMessage());
                }
                else
                {
                        ilUtil::sendSuccess($this->lng->txt('added_new_condition'));
                }
                $this->listConditions();
                return true;
        }

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ilConditionHandlerInterface::chi_init	(	&	$chi_target_obj,
			$a_ref_id = `null`
	)

Definition at line 175 of file class.ilConditionHandlerInterface.php.

References ilObjectFactory\getInstanceByRefId().

        {
                echo 'deprecated';
                
                include_once "./classes/class.ilConditionHandler.php";
                $this->ch_obj =& new ilConditionHandler();
                if($a_ref_id)
                {
                        $this->target_obj =& ilObjectFactory::getInstanceByRefId($a_ref_id);
                }
                else
                {
                        $this->target_obj =& $this->object;
                }
                return true;
        }

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ilConditionHandlerInterface::chi_update ( )

Definition at line 464 of file class.ilConditionHandlerInterface.php.

References $_POST, __getConditionsOfTarget(), and ilUtil\sendSuccess().

        {
                #if(in_array('',$_POST['operator']))
                #{
                #       ilUtil::sendInfo($this->lng->txt('select_one_operator'));
                #       return false;
                #}
                foreach($this->__getConditionsOfTarget() as $condition)
                {
                        $this->ch_obj->setOperator($_POST['operator'][$condition["id"]]);
                        $this->ch_obj->setValue($_POST['value'][$condition["id"]]);
                        $this->ch_obj->updateCondition($condition['id']);
                }
                ilUtil::sendSuccess($this->lng->txt('conditions_updated'));
                
                $this->ctrl->returnToParent($this);
                return true;
        }

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ilConditionHandlerInterface::delete ( )

Definition at line 325 of file class.ilConditionHandlerInterface.php.

References $_POST, listConditions(), ilUtil\sendFailure(), and ilUtil\sendSuccess().

        {
                if(!count($_POST['conditions']))
                {
                        ilUtil::sendFailure('no_condition_selected');
                        $this->listConditions();
                        return true;
                }
                foreach($_POST['conditions'] as $condition_id)
                {
                        $this->ch_obj->deleteCondition($condition_id);
                }
                ilUtil::sendSuccess($this->lng->txt('condition_deleted'));
                $this->listConditions();
                return true;
        }

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ilConditionHandlerInterface::edit ( )

Definition at line 256 of file class.ilConditionHandlerInterface.php.

References $_GET, ilConditionHandler\_getCondition(), initFormCondition(), listConditions(), and ilUtil\sendFailure().

        {
                global $ilObjDataCache;
                if(!$_GET['condition_id'])
                {
                        ilUtil::sendFailure("Missing id: condition_id");
                        $this->listConditions();
                        return false;
                }
                $condition = ilConditionHandler::_getCondition((int) $_GET['condition_id']);
                $this->tpl->addBlockfile('ADM_CONTENT','adm_content','tpl.condition_handler_edit_condition.html');
                $this->ctrl->setParameter($this,'condition_id',(int) $_GET['condition_id']);
                
                $this->initFormCondition($condition['trigger_ref_id'],(int) $_GET['condition_id'],'edit');
                $this->tpl->setVariable('CONDITION_TABLE',$this->form->getHTML());
        }

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& ilConditionHandlerInterface::executeCommand ( )

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

References $cmd, $ilErr, and $lng.

        {
                global $ilErr, $ilAccess, $lng;
                
                if(!$ilAccess->checkAccess('write','',$this->getTargetRefId()))
                {
                        $ilErr->raiseError($lng->txt('permission_denied'),$ilErr->WARNING);
                }
                
                $next_class = $this->ctrl->getNextClass($this);
                $cmd = $this->ctrl->getCmd();
                switch ($next_class)
                {
                        default:
                                if (empty($cmd))
                                {
                                        $cmd = "view";
                                }
                                $this->$cmd();
                                break;
                }
        }

ilConditionHandlerInterface::getAutomaticValidation ( )

Definition at line 105 of file class.ilConditionHandlerInterface.php.

References $automatic_validation.

Referenced by assign().

        {
                return $this->automatic_validation;
        }

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ilConditionHandlerInterface::getBackButtons ( )

Definition at line 72 of file class.ilConditionHandlerInterface.php.

References $_SESSION.

Referenced by __showButtons().

        {
                return $_SESSION['precon_btn'] ? $_SESSION['precon_btn'] : array();
        }

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ilConditionHandlerInterface::getTargetId ( )

get target id

Definition at line 122 of file class.ilConditionHandlerInterface.php.

References $target_id.

Referenced by __getConditionsOfTarget(), assign(), and listConditions().

        {
                return $this->target_id;
        }

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ilConditionHandlerInterface::getTargetRefId ( )

get target ref id

Definition at line 138 of file class.ilConditionHandlerInterface.php.

References $target_ref_id.

Referenced by __getConditionsOfTarget(), assign(), listConditions(), selector(), and updateCondition().

        {
                return $this->target_ref_id;
        }

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ilConditionHandlerInterface::getTargetTitle ( )

get target title

Definition at line 170 of file class.ilConditionHandlerInterface.php.

References $target_title.

Referenced by initFormCondition(), and listConditions().

        {
                return $this->target_title;
        }

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ilConditionHandlerInterface::getTargetType ( )

get target type

Definition at line 154 of file class.ilConditionHandlerInterface.php.

References $target_type.

Referenced by __getConditionsOfTarget(), assign(), initFormCondition(), listConditions(), and updateCondition().

        {
                return $this->target_type;
        }

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ilConditionHandlerInterface::ilConditionHandlerInterface	(	&	$gui_obj,
			$a_ref_id = `null`
	)

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

References $ilCtrl, $lng, $tpl, $tree, ilObjectFactory\getInstanceByRefId(), setTargetId(), setTargetRefId(), setTargetTitle(), and setTargetType().

        {
                global $lng,$tpl,$tree,$ilCtrl;
                include_once "./classes/class.ilConditionHandler.php";
                $this->ch_obj =& new ilConditionHandler();
                $this->ctrl =& $ilCtrl;
                $this->gui_obj =& $gui_obj;
                $this->lng =& $lng;
                $this->tpl =& $tpl;
                $this->tree =& $tree;
                
                if($a_ref_id)
                {
                        $this->target_obj =& ilObjectFactory::getInstanceByRefId($a_ref_id);
                }
                else
                {
                        $this->target_obj =& $this->gui_obj->object;
                }
                // this only works for ilObject derived objects (other objects
                // should call set() methods manually   
                if (is_object($this->target_obj))
                {
                        $this->setTargetId($this->target_obj->getId());
                        $this->setTargetRefId($this->target_obj->getRefId());
                        $this->setTargetType($this->target_obj->getType());
                        $this->setTargetTitle($this->target_obj->getTitle());
                }
                
        }

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ilConditionHandlerInterface::initFormCondition	(	$a_source_id,
		$a_condition_id = `0`,
		$a_mode = `'add'`
	)

private

Init form for condition table.

private

Parameters

Definition at line 527 of file class.ilConditionHandlerInterface.php.

References $ch_obj, $tpl, ilConditionHandler\_getCondition(), ilLPCollections\_getPossibleSAHSItems(), ilConditionHandler\_isReferenceHandlingOptional(), ilObject\_lookupObjId(), ilObject\_lookupTitle(), ilObject\_lookupType(), ilUtil\getImagePath(), getTargetTitle(), getTargetType(), ilFormPropertyGUI\setRequired(), ilRadioGroupInputGUI\setValue(), ilConditionHandler\SHARED_CONDITIONS, and ilConditionHandler\UNIQUE_CONDITIONS.

Referenced by add(), and edit().

        {
                $trigger_obj_id = ilObject::_lookupObjId($a_source_id);
                $trigger_type = ilObject::_lookupType($trigger_obj_id);
                
                $condition = ilConditionHandler::_getCondition($a_condition_id);
                
                if(is_object($this->form))
                {
                        return true;
                }
                include_once('Services/Form/classes/class.ilPropertyFormGUI.php');
                $this->form = new ilPropertyFormGUI();
                $this->ctrl->setParameter($this,'source_id',$a_source_id);
                $this->form->setFormAction($this->ctrl->getFormAction($this));
                
                $sel = new ilSelectInputGUI($this->lng->txt('condition'),'operator');
                include_once "./classes/class.ilConditionHandler.php";
                $ch_obj = new ilConditionHandler();
                $operators[0] = $this->lng->txt('select_one');
                foreach($ch_obj->getOperatorsByTargetType($trigger_type) as $operator)
                {
                        $operators[$operator] = $this->lng->txt('condition_'.$operator);
                }
                $sel->setValue(isset($condition['operator']) ? $condition['operator'] : 0);
                $sel->setOptions($operators);
                $sel->setRequired(true);
                $this->form->addItem($sel);
                
                if(ilConditionHandler::_isReferenceHandlingOptional($this->getTargetType()))
                {
                        $rad_opt = new ilRadioGroupInputGUI($this->lng->txt('cond_ref_handling'),'ref_handling');
                        $rad_opt->setValue(isset($condition['ref_handling']) ? $condition['ref_handling'] : ilConditionHandler::SHARED_CONDITIONS);
                        
                        $opt2 = new ilRadioOption($this->lng->txt('cond_ref_shared'),ilConditionHandler::SHARED_CONDITIONS);
                        $rad_opt->addOption($opt2);
                        $opt1 = new ilRadioOption($this->lng->txt('cond_ref_unique'),ilConditionHandler::UNIQUE_CONDITIONS);
                        $rad_opt->addOption($opt1);
                        
                        $this->form->addItem($rad_opt);
                }
                
                // Additional settings for SCO's
                if($trigger_type == 'sahs')
                {
                        $this->lng->loadLanguageModule('trac');
                        include_once 'Services/Tracking/classes/class.ilLPCollections.php';
                        $lp_collections = new ilLPCollections($trigger_obj_id);
                        
                        $cus = new ilCustomInputGUI($this->lng->txt('trac_sahs_relevant_items'),'item_ids[]');
                        $cus->setRequired(true);
                        $tpl = new ilTemplate('tpl.condition_handler_sco_row.html',true,true);
                        $counter = 0;
                        foreach(ilLPCollections::_getPossibleSAHSItems($trigger_obj_id) as $item_id => $sahs_item)
                        {
                                $tpl->setCurrentBlock("sco_row");
                                $tpl->setVariable('SCO_ID',$item_id);
                                $tpl->setVariable('SCO_TITLE',$sahs_item['title']);
                                $tpl->setVariable('CHECKED',$lp_collections->isAssigned($item_id) ? 'checked="checked"' : '');
                                $tpl->parseCurrentBlock();
                                $counter++;
                        }
                        $tpl->setVariable('INFO_SEL',$this->lng->txt('trac_lp_determination_info_sco'));
                        $cus->setHTML($tpl->get());
                        $this->form->addItem($cus);
                }
                switch($a_mode)
                {
                        case 'edit':
                                $this->form->setTitleIcon(ilUtil::getImagePath('icon_'.$this->getTargetType().'.gif'));
                                $this->form->setTitle($this->lng->txt('precondition').' ('.
                                        $this->getTargetTitle().' -> '.
                                        ilObject::_lookupTitle(ilObject::_lookupObjId($a_source_id)).')');
                                $this->form->addCommandButton('updateCondition',$this->lng->txt('save'));
                                $this->form->addCommandButton('listConditions',$this->lng->txt('cancel'));
                                break;
                                
                        
                        case 'add':
                                $this->form->setTitleIcon(ilUtil::getImagePath('icon_'.$this->getTargetType().'.gif'));
                                $this->form->setTitle($this->lng->txt('add_condition').' ('.
                                        $this->getTargetTitle().' -> '.
                                        ilObject::_lookupTitle(ilObject::_lookupObjId($a_source_id)).')');
                                $this->form->addCommandButton('assign',$this->lng->txt('save'));
                                $this->form->addCommandButton('selector',$this->lng->txt('back'));
                                break;
                }
                return true;
        }

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ilConditionHandlerInterface::listConditions ( )

Definition at line 196 of file class.ilConditionHandlerInterface.php.

References ilConditionHandler\_getConditionsOfTarget(), ilUtil\formCheckbox(), ilUtil\getImagePath(), getTargetId(), getTargetRefId(), getTargetTitle(), getTargetType(), and ilUtil\switchColor().

Referenced by assign(), delete(), edit(), and updateCondition().

        {
                global $ilObjDataCache;
                $this->lng->loadLanguageModule('crs');
                $this->tpl->addBlockfile('ADM_CONTENT','adm_content','tpl.condition_handler_edit.html');
                $this->tpl->setVariable("FORMACTION",$this->ctrl->getFormAction($this));
                $this->tpl->setVariable("COLL_TITLE_IMG",ilUtil::getImagePath('icon_'.$this->getTargetType().'.gif'));
                $this->tpl->setVariable("COLL_TITLE_IMG_ALT",$this->lng->txt('obj_'.$this->getTargetType()));
                $this->tpl->setVariable("TABLE_TITLE",$this->getTargetTitle().' ('.$this->lng->txt('preconditions').')');
                // Table header
                $this->tpl->setVariable("HEAD_TITLE",$this->lng->txt('title'));
                $this->tpl->setVariable("HEAD_CONDITION",$this->lng->txt('condition'));
                
                // Table footer
                $this->tpl->setVariable("BTN_DELETE",$this->lng->txt('delete'));
                $this->tpl->setVariable("BTN_ADD",$this->lng->txt('add_condition'));
                $this->tpl->setVariable("DOWNRIGHT",ilUtil::getImagePath('arrow_downright.gif'));
                if(!count($conditions = ilConditionHandler::_getConditionsOfTarget($this->getTargetRefId(),$this->getTargetId(), $this->getTargetType())))
                {
                        $this->tpl->setVariable("EMPTY_TXT",$this->lng->txt('no_conditions_found'));
                        return true;
                }
                $counter = 0;
                foreach($conditions as $condition)
                {
                        if($condition['trigger_type'] == 'crsg')
                        {
                                continue;
                        }
                        $this->tpl->setCurrentBlock("table_content");
                        
                        $this->tpl->setVariable('TRIGGER_SRC',ilUtil::getImagePath('icon_'.$condition['trigger_type'].'_s.gif'));
                        $this->tpl->setVariable('TRIGGER_ALT',$this->lng->txt('obj_'.$condition['trigger_type']));
                        $this->tpl->setVariable("ROWCOL", ilUtil::switchColor($counter++,"tblrow1","tblrow2"));
                        $this->tpl->setVariable("CHECKBOX",ilUtil::formCheckbox(0,"conditions[]",$condition['id']));
                        $this->tpl->setVariable("TITLE",$ilObjDataCache->lookupTitle($condition['trigger_obj_id']));
                        if(strlen($desc = $ilObjDataCache->lookupDescription($condition['trigger_obj_id'])))
                        {
                                $this->tpl->setVariable("DESCRIPTION",$desc);
                        }
                        $this->tpl->setVariable("OBJ_CONDITION",$this->lng->txt('condition_'.$condition['operator']));
                        // Edit link
                        $this->tpl->setVariable("EDIT",$this->lng->txt('edit'));
                        $this->ctrl->setParameter($this,'condition_id',$condition['id']);
                        $this->tpl->setVariable("EDIT_LINK",$this->ctrl->getLinkTarget($this,'edit'));
                        $this->ctrl->clearParameters($this);
                        $this->tpl->parseCurrentBlock();
                }
                return true;
        }

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ilConditionHandlerInterface::selector ( )

Definition at line 344 of file class.ilConditionHandlerInterface.php.

References $_GET, getTargetRefId(), ilUtil\sendInfo(), and ilExplorer\setExpand().

Referenced by add().

        {
                include_once ("classes/class.ilConditionSelector.php");
                $this->tpl->addBlockFile('ADM_CONTENT', "adm_content", "tpl.condition_selector.html");
                ilUtil::sendInfo($this->lng->txt("condition_select_object"));
                $exp = new ilConditionSelector($this->ctrl->getLinkTarget($this,'copySelector'));
                $exp->setExpand($_GET["condition_selector_expand"] ? $_GET["condition_selector_expand"] : $this->tree->readRootId());
                $exp->setExpandTarget($this->ctrl->getLinkTarget($this,'selector'));
                $exp->setTargetGet("ref_id");
                $exp->setRefId($this->getTargetRefId());
                $exp->addFilter('crs');
                $exp->addFilter('tst');
                $exp->addFilter('sahs');
                $exp->addFilter('svy');
                $exp->setSelectableTypes($this->ch_obj->getTriggerTypes());
                $exp->setControlClass($this);
                // build html-output
                $exp->setOutput(0);
                $this->tpl->setCurrentBlock("adm_content");
                $this->tpl->setVariable("EXPLORER",$exp->getOutput());
                $this->tpl->parseCurrentBlock();
        }

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ilConditionHandlerInterface::setAutomaticValidation ( $a_status )

Definition at line 101 of file class.ilConditionHandlerInterface.php.

        {
                $this->automatic_validation = $a_status;
        }

ilConditionHandlerInterface::setBackButtons ( $a_btn_arr )

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

References $_SESSION.

        {
                $_SESSION['precon_btn'] = $a_btn_arr;
        }

ilConditionHandlerInterface::setTargetId ( $a_target_id )

set target id

Definition at line 114 of file class.ilConditionHandlerInterface.php.

Referenced by ilConditionHandlerInterface().

        {
                $this->target_id = $a_target_id;
        }

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ilConditionHandlerInterface::setTargetRefId ( $a_target_ref_id )

set target ref id

Definition at line 130 of file class.ilConditionHandlerInterface.php.

Referenced by ilConditionHandlerInterface().

        {
                $this->target_ref_id = $a_target_ref_id;
        }

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ilConditionHandlerInterface::setTargetTitle ( $a_target_title )

set target title

Definition at line 162 of file class.ilConditionHandlerInterface.php.

Referenced by ilConditionHandlerInterface().

        {
                $this->target_title = $a_target_title;
        }

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ilConditionHandlerInterface::setTargetType ( $a_target_type )

set target type

Definition at line 146 of file class.ilConditionHandlerInterface.php.

Referenced by ilConditionHandlerInterface().

        {
                $this->target_type = $a_target_type;
        }

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ilConditionHandlerInterface::updateCondition ( )

Definition at line 275 of file class.ilConditionHandlerInterface.php.

References $_GET, $_POST, ilConditionHandler\_getCondition(), getTargetRefId(), getTargetType(), listConditions(), ilUtil\sendFailure(), ilUtil\sendSuccess(), and ilConditionHandler\UNIQUE_CONDITIONS.

        {
                global $ilObjDataCache;
                if(!$_GET['condition_id'])
                {
                        ilUtil::sendFailure("Missing id: condition_id");
                        $this->listConditions();
                        return false;
                }
                // Update condition
                include_once 'classes/class.ilConditionHandler.php';
                $condition_handler = new ilConditionHandler();
                $condition = ilConditionHandler::_getCondition((int) $_GET['condition_id']);
                $condition_handler->setOperator($_POST['operator']);
                $condition_handler->setTargetRefId($this->getTargetRefId());
                $condition_handler->setValue('');
                switch($this->getTargetType())
                {
                        case 'st':
                                $condition_handler->setReferenceHandlingType($_POST['ref_handling']);
                                break;
                        
                        default:
                                $condition_handler->setReferenceHandlingType(ilConditionHandler::UNIQUE_CONDITIONS);
                                break;  
                }
                $condition_handler->updateCondition($condition['id']);
                // Update relevant sco's
                if($condition['trigger_type'] == 'sahs')
                {
                        include_once 'Services/Tracking/classes/class.ilLPCollections.php';
                        $lp_collection = new ilLPCollections($condition['trigger_obj_id']);
                        $lp_collection->deleteAll();
                        $items = is_array($_POST['item_ids']) ? $_POST['item_ids'] : array();
                        foreach($items as $item_id)
                        {
                                $lp_collection->add($item_id);
                        }
                }
                ilUtil::sendSuccess($this->lng->txt('settings_saved'));
                $this->listConditions();
        }