class.ilQuestionSetPoolInitialConditionGUI.php

<?php

require_once "abstract.ilQuestionSetPoolConditionGUI.php";

/**
 * Class ilQuestionSetPoolInitialConditionGUI
 *
 * Date: 21.11.13
 * Time: 14:15
 * @author Thomas Joußen <tjoussen@databay.de>
 */ 
class ilQuestionSetPoolInitialConditionGUI extends ilQuestionSetPoolConditionGUI
{
	/**
	 * @var array $feedback_types needed for tiny-mce
	 */
	protected $feedback_types = array(
		0 => array('post_var' => 'true_feedback', 		'obj_type' => 'itf'),
		2 => array('post_var' => 'false_feedback',		'obj_type' => 'iff'));

	public function edit()
	{
		iljQueryUtil::initjQuery();
		ilYuiUtil::initPanel();
		ilYuiUtil::initOverlay();
		$this->tpl->addJavascript('./Services/UIComponent/Overlay/js/ilOverlay.js');
		$this->tpl->addJavaScript("./Services/JavaScript/js/Basic.js");

		$model = $this->loadModel();
		$this->initForm($model);
		$this->bindModelToForm($model);

		$template = new ilTemplate("tpl.il_xqsp_condition.html", true, true, "Customizing/global/plugins/Services/Repository/RepositoryObject/QuestionSetPool");

		$this->renderQuestionInfo($model, $template);

		$template->setVariable("FORM", $this->form->getHTML());
		$template->setVariable("INFO", ilQuestionSetPoolInfoBox::render($this->plugin));
		
		$button = ilLinkButton::getInstance();
		$button->addCSSClass('toggle_feedback');
		$button->setCaption($this->plugin->txt('hide_feedback_form_parts'), false);
		$this->toolbar->addButtonInstance($button);
		$template->setVariable("TXT_SHOW_FEEDBACK", $this->plugin->txt('show_feedback_form_parts'));
		$template->setVariable("TXT_HIDE_FEEDBACK", $this->plugin->txt('hide_feedback_form_parts'));

		$this->tpl->setContent($template->get());
	}

	public function update()
	{
		$model = $this->loadModel();
		$this->initForm($model);
		if($this->form->checkInput())
		{
			$model->bindForm($this->form);

 			$isValid = ilQuestionSetPoolConditionValidator::isValid(
				$model->getInitialCondition(),
				$model,
				$model->getPath()->getNodes()->getData(),
				$this->plugin
			);

			if($isValid)
			{
				$model->update();

				$this->copyTemporaryMobs($model);
				$this->deleteUnusedMobs($model);
				
				ilUtil::sendSuccess($this->plugin->txt("msg_obj_modified"), true);
				$this->redirect(
					$this->getAfterUpdateRedirectCmd(),
					$this->getAfterUpdateRedirectParams($model)
				);
			}
		}

		$this->form->setValuesByPost();

		$template = new ilTemplate("tpl.il_xqsp_condition.html", true, true, "Customizing/global/plugins/Services/Repository/RepositoryObject/QuestionSetPool");

		$this->renderQuestionInfo($model, $template);

		$template->setVariable("FORM", $this->form->getHTML());
		$template->setVariable("INFO", ilQuestionSetPoolInfoBox::render($this->plugin));

		$this->tpl->setContent($template->get());
	}

	public function remove()
	{
		$model = $this->loadModel();
		$model->read();
		$model->setInitialCondition(null);
		$model->update();

		ilUtil::sendSuccess($this->plugin->txt("msg_obj_modified"), true);
		$this->redirect(
			 $this->getAfterUpdateRedirectCmd(),
				 $this->getAfterUpdateRedirectParams($model)
		);
	}


	/**
	 * Loads and returns the Model for the controller gui
	 * @return ilQuestionSetPoolNode
	 */
	protected function loadModel()
	{
		$id = (isset($_GET['node_id']))? (int)$_GET['node_id'] : (int)$_POST['id'];
		$model = new ilQuestionSetPoolNode($id);
		$model->read();

		return $model;
	}

	/**
	 * Initialize the PropertyFormGUI for this controller
	 *
	 * @param $model ilQuestionSetPoolNode
	 */
	protected function initForm($model)
	{
		$this->form = new ilPropertyFormGUI();
		$this->form->setName('condition_form');
		$this->form->setTableWidth("100%");
		$this->form->setTitle(sprintf(
			$this->plugin->txt("edit_initial_condition_title"),
			$model->getPath()->getSet()->getTitle(),
			$model->getPath()->getTitle(),
			$model->getIndex()
		));

		$node_id = new ilHiddenInputGUI("id");
		$node_id->setRequired(true);

		$initial_condition = new ilConditionInputGUI($this->plugin->txt("initial_condition"), "initial_condition");
		$initial_condition->setInlineStyle('width:95%');
		$initial_condition->setRequired(false);

		$this->form->addItem($node_id);
		$this->form->addItem($initial_condition);
		
		$true_feedback = new ilTextAreaInputGUI($this->plugin->txt('true_feedback'), 'true_feedback');
		$true_feedback->setUseRte(TRUE);
		$true_feedback->addPlugin("latex");
		$true_feedback->addButton("latex");
		$true_feedback->setRTESupport($model->getId(), 'x_itf:html', 'assessment');
		$true_feedback->setRteTagSet('full');
		$this->form->addItem($true_feedback);
		
		$false_feedback = new ilTextAreaInputGUI($this->plugin->txt('false_feedback'), 'false_feedback');
		$false_feedback->setUseRte(TRUE);
		$false_feedback->addPlugin("latex");
		$false_feedback->addButton("latex");
		$false_feedback->setRTESupport($model->getId(), 'x_iff:html', 'assessment');
		$false_feedback->setInfo($this->plugin->txt('false_feedback_info'));
		
		$false_feedback->setRteTagSet('full');
		$this->form->addItem($false_feedback);

		$this->ctrl->setParameter($this->controller, "path_id", $model->getPath()->getId());
		$this->ctrl->setParameter($this->controller, "set_id", $model->getPath()->getSet()->getId());
		$this->form->setFormAction($this->ctrl->getFormAction($this->controller));
		$this->ctrl->setParameter($this->controller, "path_id", "");
		$this->ctrl->setParameter($this->controller, "set_id", "");
		$this->form->addCommandButton("ilQuestionSetPoolInitialConditionGUI.update", $this->plugin->txt("save"));
		$this->form->addCommandButton("ilQuestionSetPoolNodesGUI.listNodes", $this->plugin->txt("cancel"));
	}

	/**
	 * Get the redirect action after an update was successful
	 * @return string
	 */
	protected function getAfterUpdateRedirectCmd()
	{
		return "ilQuestionSetPoolNodesGUI.listNodes";
	}

	/**
	 * @param $model
	 *
	 * @return array
	 */
	protected function getAfterUpdateRedirectParams($model)
	{
		return array(
			"set_id" => $model->getPath()->getSet()->getId(),
			"path_id" => $model->getPath()->getId()
		);
	}

	/**
	 * Returns the current tab name
	 * return string
	 */
	protected function getCurrentTab()
	{
		return "content";
	}

	/**
	 * @return array
	 */
	protected function getRequirements()
	{
		return array(
			"models/class.ilQuestionSetPoolNode.php",
			"providers/class.ilParserQuestionProvider.php",
			"utils/abstract.ilQuestionSetPoolInfoBox.php",
			"utils/abstract.ilQuestionSetPoolConditionValidator.php",
			"utils/class.ilConditionInputGUI.php"
		);
	}

	protected function copyTemporaryMobs($model)
	{
		global $DIC; 
		$ilUser = $DIC->user();

		foreach($this->feedback_types as $type)
		{
			$mediaObjects   = ilRTE::_getMediaObjects($this->form->getInput($type['post_var']), 0);
			$myMediaObjects = ilObjMediaObject::_getMobsOfObject('x_'.$type['obj_type'].':html', $ilUser->getId());
			foreach($mediaObjects as $mob)
			{
				foreach($myMediaObjects as $myMob)
				{
					if($mob == $myMob)
					{
						// change usage
						ilObjMediaObject::_removeUsage($mob, 'x_'.$type['obj_type'].':html', $ilUser->getId());
						break;
					}
				}
				ilObjMediaObject::_saveUsage($mob, 'x_'.$type['obj_type'].':html', $model->getId());
			}
		}
	}

	protected function deleteUnusedMobs($model)
	{
		foreach($this->feedback_types as $type)
		{
			$oldMediaObjects = ilObjMediaObject::_getMobsOfObject('x_'.$type['obj_type'].':html', $model->getId());
			$curMediaObjects = ilRTE::_getMediaObjects($this->form->getInput($type['post_var']), 0);
			foreach($oldMediaObjects as $oldMob)
			{
				$found = false;
				foreach($curMediaObjects as $curMob)
				{
					if($oldMob == $curMob)
					{
						$found = true;
						break;
					}
				}
				if(!$found)
				{
					if(ilObjMediaObject::_exists($oldMob))
					{
						ilObjMediaObject::_removeUsage($oldMob, 'x_'.$type['obj_type'].':html', $model->getId());
						$mob_obj = new ilObjMediaObject($oldMob);
						$mob_obj->delete();
					}
				}
			}
		}
	}
}