class.ilDataDetector.php

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<?php
/* Copyright (c) 1998-2014 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once './Services/WorkflowEngine/interfaces/ilDetector.php';
require_once './Services/WorkflowEngine/interfaces/ilWorkflowEngineElement.php';

class ilDataDetector implements ilDetector, ilWorkflowEngineElement
{
        private $context;

        private $detection_state = false;

        protected $name;

        protected $source_node;

        protected $var_name;

        public function __construct(ilNode $context)
        {
                $this->context = $context;
        }

        public function getContext()
        {
                return $this->context;
        }

        public function trigger($params)
        {
                return true;
        }

        public function getDetectorState()
        {
                $definitions = $this->getContext()->getContext()->getInstanceVars();

                $id = $this->var_name;
                $name = $this->var_name;
                foreach($definitions as $definition)
                {
                        if($definition['id'] == $name)
                        {
                                if($definition['reference'])
                                {
                                        $id = $definition['target'];
                                }
                                $name = $definition['name'];
                                break;
                        }
                }

                $this->getContext()->setRuntimeVar(
                        $name,
                        $this->getContext()->getContext()->getInstanceVarById($id)
                );
                $this->detection_state = true;

                return true;
        }

        public function setDetectorState($new_state)
        {
                $this->detection_state = true;
                $this->context->notifyDetectorSatisfaction($this);
        }

        public function onActivate()
        {
                return;
        }

        public function onDeactivate()
        {
                return;
        }

        public function getActivated()
        {
                return $this->detection_state;
        }

        public function setName($name)
        {
                $this->name = $name;
        }

        public function getName()
        {
                return $this->name;
        }

        public function getSourceNode()
        {
                return $this->source_node;
        }

        public function setSourceNode($source_node)
        {
                $this->source_node = $source_node;
        }

        public function getVarName()
        {
                return $this->var_name;
        }

        public function setVarName($var_name)
        {
                $this->var_name = $var_name;
        }
}