ilSurveyConstraintsGUI Class Reference

Class ilSurveyConstraintsGUI. More...

Collaboration diagram for ilSurveyConstraintsGUI:

Public Member Functions
	__construct (ilObjSurveyGUI $a_parent_gui)
	executeCommand ()
	constraintsObject ()
	Administration page for survey constraints. More...
	constraintsAddObject ()
	Add a precondition for a survey question or question block. More...
	constraintStep1Object ()
	Handles the first step of the precondition add action. More...
	constraintStep2Object ()
	Handles the second step of the precondition add action. More...
	constraintStep3Object ()
	Handles the third step of the precondition add action. More...
	constraintForm ($step, $postvalues, &$survey_questions, $questions=false)
	confirmDeleteConstraintsObject ()
	Delete constraint confirmation. More...
	deleteConstraintsObject ()
	Delete constraints of a survey. More...
	createConstraintsObject ()
	editPreconditionObject ()

Protected Member Functions
	validateConstraintForEdit ($a_id)
	Validate if given constraint id is part of current survey and there are sufficient permissions to edit+. More...

Protected Attributes
	$ctrl
	$lng
	$tpl
	$access

Detailed Description

Class ilSurveyConstraintsGUI.

Author

Helmut Schottmüller helmu.nosp@m.t.sc.nosp@m.hottm.nosp@m.uell.nosp@m.er@ma.nosp@m.c.co.nosp@m.m

Version

Id

class.ilObjSurveyGUI.php 43670 2013-07-26 08:41:31Z jluetzen

@ilCtrl_Calls ilSurveyConstraintsGUI:

Definition at line 14 of file class.ilSurveyConstraintsGUI.php.

Constructor & Destructor Documentation

__construct()

ilSurveyConstraintsGUI::__construct

(

ilObjSurveyGUI

$a_parent_gui

)

Definition at line 36 of file class.ilSurveyConstraintsGUI.php.

    {
        global $DIC;
 
        $this->access = $DIC->access();
        $ilCtrl = $DIC->ctrl();
        $lng = $DIC->language();
        $tpl = $DIC["tpl"];
        
        $this->parent_gui = $a_parent_gui;
        $this->object = $this->parent_gui->object;
        
        $this->ctrl = $ilCtrl;
        $this->lng = $lng;
        $this->tpl = $tpl;
    }

References $DIC, $ilCtrl, $lng, and $tpl.

Member Function Documentation

confirmDeleteConstraintsObject()

ilSurveyConstraintsGUI::confirmDeleteConstraintsObject

(

)

Delete constraint confirmation.

Definition at line 317 of file class.ilSurveyConstraintsGUI.php.

    {
        $id = (int) $_REQUEST["precondition"];
        if (!$this->validateConstraintForEdit($id)) {
            $this->ctrl->redirect($this, "constraints");
        }
        
        $constraint = $this->object->getPrecondition($id);
        $questions = $this->object->getSurveyQuestions();
        $question = $questions[$constraint["question_fi"]];
        $relation = $questions[$constraint["ref_question_fi"]];
        $relation = $relation["title"];
        
        // see ilSurveyConstraintsTableGUI
        include_once "./Modules/SurveyQuestionPool/classes/class.SurveyQuestion.php";
        $question_type = SurveyQuestion::_getQuestionType($constraint["question_fi"]);
        SurveyQuestion::_includeClass($question_type);
        $question_obj = new $question_type();
        $question_obj->loadFromDb($constraint["question_fi"]);
        $valueoutput = $question_obj->getPreconditionValueOutput($constraint["value"]);
        
        $title = $question["title"] . " " . $constraint["shortname"] . " " . $valueoutput;
        
        $this->ctrl->saveParameter($this, "precondition");
        
        include_once("./Services/Utilities/classes/class.ilConfirmationGUI.php");
        $cgui = new ilConfirmationGUI();
        $cgui->setHeaderText(sprintf($this->lng->txt("survey_sure_delete_constraint"), $title, $relation));
 
        $cgui->setFormAction($this->ctrl->getFormAction($this, "deleteConstraints"));
        $cgui->setCancel($this->lng->txt("cancel"), "constraints");
        $cgui->setConfirm($this->lng->txt("confirm"), "deleteConstraints");
        
        $this->tpl->setContent($cgui->getHTML());
    }

References $id, $title, SurveyQuestion\_getQuestionType(), SurveyQuestion\_includeClass(), sprintf, and validateConstraintForEdit().

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constraintForm()

ilSurveyConstraintsGUI::constraintForm	(		$step,
			$postvalues,
		&	$survey_questions,
			$questions = false
	)

Definition at line 198 of file class.ilSurveyConstraintsGUI.php.

    {
        if (strlen($_GET["start"])) {
            $this->ctrl->setParameter($this, "start", $_GET["start"]);
        }
        $this->ctrl->saveParameter($this, "precondition");
        include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
        $form = new ilPropertyFormGUI();
        $form->setFormAction($this->ctrl->getFormAction($this));
        $form->setTableWidth("100%");
        $form->setId("constraintsForm");
                
        // #9366
        $title = array();
        $title_ids = $_SESSION["includeElements"];
        if (!$title_ids) {
            $title_ids = array($_GET["start"]);
        }
        foreach ($title_ids as $title_id) {
            // question block
            if ($survey_questions[$_SESSION["constraintstructure"][$title_id][0]]["questionblock_id"] > 0) {
                $title[] = $this->lng->txt("questionblock") . ": " . $survey_questions[$_SESSION["constraintstructure"][$title_id][0]]["questionblock_title"];
            }
            // question
            else {
                $title[] = $this->lng->txt($survey_questions[$_SESSION["constraintstructure"][$title_id][0]]["type_tag"]) . ": " .
                    $survey_questions[$_SESSION["constraintstructure"][$title_id][0]]["title"];
            }
        }
        $header = new ilFormSectionHeaderGUI();
        $header->setTitle(implode("<br/>", $title));
        $form->addItem($header);
        
        $fulfilled = new ilRadioGroupInputGUI($this->lng->txt("constraint_fulfilled"), "c");
        $fulfilled->addOption(new ilRadioOption($this->lng->txt("conjunction_and"), '0', ''));
        $fulfilled->addOption(new ilRadioOption($this->lng->txt("conjunction_or"), '1', ''));
        $fulfilled->setValue((strlen($postvalues['c'])) ? $postvalues['c'] : 0);
        $form->addItem($fulfilled);
 
        $step1 = new ilSelectInputGUI($this->lng->txt("step") . " 1: " . $this->lng->txt("select_prior_question"), "q");
        $options = array();
        if (is_array($questions)) {
            foreach ($questions as $question) {
                $options[$question["question_id"]] = $question["title"] . " (" . SurveyQuestion::_getQuestionTypeName($question["type_tag"]) . ")";
            }
        }
        $step1->setOptions($options);
        $step1->setValue($postvalues["q"]);
        $form->addItem($step1);
 
        if ($step > 1) {
            $relations = $this->object->getAllRelations();
            $step2 = new ilSelectInputGUI($this->lng->txt("step") . " 2: " . $this->lng->txt("select_relation"), "r");
            $options = array();
            foreach ($relations as $rel_id => $relation) {
                if (in_array($relation["short"], $survey_questions[$postvalues["q"]]["availableRelations"])) {
                    $options[$rel_id] = $relation['short'];
                }
            }
            $step2->setOptions($options);
            $step2->setValue($postvalues["r"]);
            $form->addItem($step2);
        }
        
        if ($step > 2) {
            $variables =&$this->object->getVariables($postvalues["q"]);
            $question_type = $survey_questions[$postvalues["q"]]["type_tag"];
            include_once "./Modules/SurveyQuestionPool/classes/class.SurveyQuestion.php";
            SurveyQuestion::_includeClass($question_type);
            $question = new $question_type();
            $question->loadFromDb($postvalues["q"]);
 
            $step3 = $question->getPreconditionSelectValue($postvalues["v"], $this->lng->txt("step") . " 3: " . $this->lng->txt("select_value"), "v");
            $form->addItem($step3);
        }
 
        switch ($step) {
            case 1:
                $cmd_continue = "constraintStep2";
                $cmd_back = "constraints";
                break;
            case 2:
                $cmd_continue = "constraintStep3";
                $cmd_back = "constraintStep1";
                break;
            case 3:
                $cmd_continue = "constraintsAdd";
                $cmd_back = "constraintStep2";
                break;
        }
        $form->addCommandButton($cmd_back, $this->lng->txt("back"));
        $form->addCommandButton($cmd_continue, $this->lng->txt("continue"));
 
        $this->tpl->setVariable("ADM_CONTENT", $form->getHTML());
    }

References $_GET, $_SESSION, $form, $header, $options, $title, SurveyQuestion\_getQuestionTypeName(), and SurveyQuestion\_includeClass().

Referenced by constraintStep1Object(), constraintStep2Object(), and constraintStep3Object().

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constraintsAddObject()

ilSurveyConstraintsGUI::constraintsAddObject

(

)

Add a precondition for a survey question or question block.

Definition at line 104 of file class.ilSurveyConstraintsGUI.php.

    {
        if (strlen($_POST["v"]) == 0) {
            ilUtil::sendFailure($this->lng->txt("msg_enter_value_for_valid_constraint"));
            return $this->constraintStep3Object();
        }
        $survey_questions =&$this->object->getSurveyQuestions();
        $structure =&$_SESSION["constraintstructure"];
        $include_elements = $_SESSION["includeElements"];
        foreach ($include_elements as $elementCounter) {
            if (is_array($structure[$elementCounter])) {
                if (strlen($_GET["precondition"])) {
                    $this->object->updateConstraint($_GET['precondition'], $_POST["q"], $_POST["r"], $_POST["v"], $_POST['c']);
                } else {
                    $constraint_id = $this->object->addConstraint($_POST["q"], $_POST["r"], $_POST["v"], $_POST['c']);
                    foreach ($structure[$elementCounter] as $key => $question_id) {
                        $this->object->addConstraintToQuestion($question_id, $constraint_id);
                    }
                }
                if (count($structure[$elementCounter]) > 1) {
                    $this->object->updateConjunctionForQuestions($structure[$elementCounter], $_POST['c']);
                }
            }
        }
        unset($_SESSION["includeElements"]);
        unset($_SESSION["constraintstructure"]);
        $this->ctrl->redirect($this, "constraints");
    }

References $_GET, $_POST, $_SESSION, $key, constraintStep3Object(), and ilUtil\sendFailure().

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constraintsObject()

ilSurveyConstraintsGUI::constraintsObject

(

)

Administration page for survey constraints.

Definition at line 66 of file class.ilSurveyConstraintsGUI.php.

    {
        $step = 0;
        if (array_key_exists("step", $_GET)) {
            $step = (int) $_GET["step"];
        }
        switch ($step) {
            case 1:
                $this->constraintStep1Object();
                return;
                break;
            case 2:
                return;
                break;
            case 3:
                return;
                break;
        }
        
        $hasDatasets = ilObjSurvey::_hasDatasets($this->object->getSurveyId());
        
        include_once "Modules/Survey/classes/tables/class.SurveyConstraintsTableGUI.php";
        $tbl = new SurveyConstraintsTableGUI($this, "constraints", $this->object, $hasDatasets);
        $this->tpl->setContent($tbl->getHTML());
        
        if ($hasDatasets) {
            // ilUtil::sendInfo($this->lng->txt("survey_has_datasets_warning"));
            $link = $this->ctrl->getLinkTargetByClass("ilSurveyParticipantsGUI", "maintenance");
            $link = "<a href=\"" . $link . "\">" . $this->lng->txt("survey_has_datasets_warning_page_view_link") . "</a>";
            ilUtil::sendInfo($this->lng->txt("survey_has_datasets_warning_page_view") . " " . $link);
        } else {
            $_SESSION["constraintstructure"] = $tbl->getStructure();
        }
    }

References $_GET, $_SESSION, $tbl, ilObjSurvey\_hasDatasets(), constraintStep1Object(), and ilUtil\sendInfo().

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constraintStep1Object()

ilSurveyConstraintsGUI::constraintStep1Object

(

)

Handles the first step of the precondition add action.

Definition at line 136 of file class.ilSurveyConstraintsGUI.php.

    {
        $survey_questions =&$this->object->getSurveyQuestions();
        $structure =&$_SESSION["constraintstructure"];
        $start = $_GET["start"];
        $option_questions = array();
        for ($i = 1; $i < $start; $i++) {
            if (is_array($structure[$i])) {
                foreach ($structure[$i] as $key => $question_id) {
                    if ($survey_questions[$question_id]["usableForPrecondition"]) {
                        array_push($option_questions, array("question_id" => $survey_questions[$question_id]["question_id"], "title" => $survey_questions[$question_id]["title"], "type_tag" => $survey_questions[$question_id]["type_tag"]));
                    }
                }
            }
        }
        if (count($option_questions) == 0) {
            unset($_SESSION["includeElements"]);
            unset($_SESSION["constraintstructure"]);
            ilUtil::sendInfo($this->lng->txt("constraints_no_nonessay_available"), true);
            $this->ctrl->redirect($this, "constraints");
        }
        $this->constraintForm(1, $_POST, $survey_questions, $option_questions);
    }

References $_GET, $_POST, $_SESSION, $i, $key, constraintForm(), and ilUtil\sendInfo().

Referenced by constraintsObject(), and createConstraintsObject().

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constraintStep2Object()

ilSurveyConstraintsGUI::constraintStep2Object

(

)

Handles the second step of the precondition add action.

Definition at line 163 of file class.ilSurveyConstraintsGUI.php.

    {
        $survey_questions =&$this->object->getSurveyQuestions();
        $option_questions = array();
        array_push($option_questions, array("question_id" => $_POST["q"], "title" => $survey_questions[$_POST["q"]]["title"], "type_tag" => $survey_questions[$_POST["q"]]["type_tag"]));
        $this->constraintForm(2, $_POST, $survey_questions, $option_questions);
    }

References $_POST, and constraintForm().

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constraintStep3Object()

ilSurveyConstraintsGUI::constraintStep3Object

(

)

Handles the third step of the precondition add action.

Definition at line 174 of file class.ilSurveyConstraintsGUI.php.

    {
        $survey_questions =&$this->object->getSurveyQuestions();
        $option_questions = array();
        if (strlen($_GET["precondition"])) {
            if (!$this->validateConstraintForEdit($_GET["precondition"])) {
                $this->ctrl->redirect($this, "constraints");
            }
            
            $pc = $this->object->getPrecondition($_GET["precondition"]);
            $postvalues = array(
                "c" => $pc["conjunction"],
                "q" => $pc["question_fi"],
                "r" => $pc["relation_id"],
                "v" => $pc["value"]
            );
            array_push($option_questions, array("question_id" => $pc["question_fi"], "title" => $survey_questions[$pc["question_fi"]]["title"], "type_tag" => $survey_questions[$pc["question_fi"]]["type_tag"]));
            $this->constraintForm(3, $postvalues, $survey_questions, $option_questions);
        } else {
            array_push($option_questions, array("question_id" => $_POST["q"], "title" => $survey_questions[$_POST["q"]]["title"], "type_tag" => $survey_questions[$_POST["q"]]["type_tag"]));
            $this->constraintForm(3, $_POST, $survey_questions, $option_questions);
        }
    }

References $_GET, $_POST, constraintForm(), and validateConstraintForEdit().

Referenced by constraintsAddObject().

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createConstraintsObject()

ilSurveyConstraintsGUI::createConstraintsObject

(

)

Definition at line 367 of file class.ilSurveyConstraintsGUI.php.

    {
        $include_elements = $_POST["includeElements"];
        if ((!is_array($include_elements)) || (count($include_elements) == 0)) {
            ilUtil::sendInfo($this->lng->txt("constraints_no_questions_or_questionblocks_selected"), true);
            $this->ctrl->redirect($this, "constraints");
        } elseif (count($include_elements) >= 1) {
            $_SESSION["includeElements"] = $include_elements;
            sort($include_elements, SORT_NUMERIC);
            $_GET["start"] = $include_elements[0];
            $this->constraintStep1Object();
        }
    }

References $_GET, $_POST, $_SESSION, constraintStep1Object(), and ilUtil\sendInfo().

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deleteConstraintsObject()

ilSurveyConstraintsGUI::deleteConstraintsObject

(

)

Delete constraints of a survey.

Definition at line 356 of file class.ilSurveyConstraintsGUI.php.

    {
        $id = (int) $_REQUEST["precondition"];
        if ($this->validateConstraintForEdit($id)) {
            ilUtil::sendSuccess($this->lng->txt("survey_constraint_deleted"), true);
            $this->object->deleteConstraint($id);
        }
 
        $this->ctrl->redirect($this, "constraints");
    }

References $id, ilUtil\sendSuccess(), and validateConstraintForEdit().

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editPreconditionObject()

ilSurveyConstraintsGUI::editPreconditionObject

(

)

Definition at line 381 of file class.ilSurveyConstraintsGUI.php.

    {
        if (!$this->validateConstraintForEdit($_GET["precondition"])) {
            $this->ctrl->redirect($this, "constraints");
        }
        
        $_SESSION["includeElements"] = array($_GET["start"]);
        $this->ctrl->setParameter($this, "precondition", $_GET["precondition"]);
        $this->ctrl->setParameter($this, "start", $_GET["start"]);
        $this->ctrl->redirect($this, "constraintStep3");
    }

References $_GET, $_SESSION, and validateConstraintForEdit().

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executeCommand()

ilSurveyConstraintsGUI::executeCommand

(

)

Definition at line 53 of file class.ilSurveyConstraintsGUI.php.

    {
        $ilCtrl = $this->ctrl;
        
        $cmd = $ilCtrl->getCmd("constraints");
        $cmd .= "Object";
        
        $this->$cmd();
    }

References $ctrl, and $ilCtrl.

validateConstraintForEdit()

ilSurveyConstraintsGUI::validateConstraintForEdit (   $a_id )

protected

Validate if given constraint id is part of current survey and there are sufficient permissions to edit+.

Parameters

int

$a_id

Returns

bool

Definition at line 300 of file class.ilSurveyConstraintsGUI.php.

    {
        $ilAccess = $this->access;
        
        if (ilObjSurvey::_hasDatasets($this->object->getSurveyId())) {
            return false;
        }
        if (!$ilAccess->checkAccess("write", "", $this->object->getRefId())) {
            return false;
        }
        
        return true;
    }

References $access, and ilObjSurvey\_hasDatasets().

Referenced by confirmDeleteConstraintsObject(), constraintStep3Object(), deleteConstraintsObject(), and editPreconditionObject().

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Field Documentation

$access

ilSurveyConstraintsGUI::$access

protected

Definition at line 34 of file class.ilSurveyConstraintsGUI.php.

Referenced by validateConstraintForEdit().

$ctrl

ilSurveyConstraintsGUI::$ctrl

protected

Definition at line 19 of file class.ilSurveyConstraintsGUI.php.

Referenced by executeCommand().

$lng

ilSurveyConstraintsGUI::$lng

protected

Definition at line 24 of file class.ilSurveyConstraintsGUI.php.

Referenced by __construct().

$tpl

ilSurveyConstraintsGUI::$tpl

protected

Definition at line 29 of file class.ilSurveyConstraintsGUI.php.

Referenced by __construct().

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

• Modules/Survey/classes/class.ilSurveyConstraintsGUI.php