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

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.

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

    {
        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;
    }

Member Function Documentation

confirmDeleteConstraintsObject()

ilSurveyConstraintsGUI::confirmDeleteConstraintsObject

(

)

Delete constraint confirmation.

Definition at line 314 of file class.ilSurveyConstraintsGUI.php.

References SurveyQuestion\_getQuestionType(), SurveyQuestion\_includeClass(), and validateConstraintForEdit().

    {
        $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
        $question_type = SurveyQuestion::_getQuestionType($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");
        
        $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());
    }

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constraintForm()

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

Definition at line 197 of file class.ilSurveyConstraintsGUI.php.

References $_GET, $_SESSION, SurveyQuestion\_getQuestionTypeName(), SurveyQuestion\_includeClass(), ilRadioGroupInputGUI\addOption(), and ilSelectInputGUI\setOptions().

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

    {
        if (strlen($_GET["start"])) {
            $this->ctrl->setParameter($this, "start", $_GET["start"]);
        }
        $this->ctrl->saveParameter($this, "precondition");
        $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"];
            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());
    }

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constraintsAddObject()

ilSurveyConstraintsGUI::constraintsAddObject

(

)

Add a precondition for a survey question or question block.

Definition at line 103 of file class.ilSurveyConstraintsGUI.php.

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

    {
        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");
    }

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constraintsObject()

ilSurveyConstraintsGUI::constraintsObject

(

)

Administration page for survey constraints.

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

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

    {
        $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());
        
        $tbl = new SurveyConstraintsTableGUI($this, "constraints", $this->object, $hasDatasets);

        $mess = "";
        if ($hasDatasets) {
            $mbox = new ilSurveyContainsDataMessageBoxGUI();
            $mess = $mbox->getHTML();
        } else {
            $_SESSION["constraintstructure"] = $tbl->getStructure();
        }

        $this->tpl->setContent($mess . $tbl->getHTML());
    }

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constraintStep1Object()

ilSurveyConstraintsGUI::constraintStep1Object

(

)

Handles the first step of the precondition add action.

Definition at line 135 of file class.ilSurveyConstraintsGUI.php.

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

Referenced by constraintsObject(), and createConstraintsObject().

    {
        $survey_questions = &$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);
    }

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constraintStep2Object()

ilSurveyConstraintsGUI::constraintStep2Object

(

)

Handles the second step of the precondition add action.

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

References $_POST, and constraintForm().

    {
        $survey_questions = &$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);
    }

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constraintStep3Object()

ilSurveyConstraintsGUI::constraintStep3Object

(

)

Handles the third step of the precondition add action.

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

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

Referenced by constraintsAddObject().

    {
        $survey_questions = &$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);
        }
    }

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createConstraintsObject()

ilSurveyConstraintsGUI::createConstraintsObject

(

)

Definition at line 362 of file class.ilSurveyConstraintsGUI.php.

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

    {
        $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();
        }
    }

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deleteConstraintsObject()

ilSurveyConstraintsGUI::deleteConstraintsObject

(

)

Delete constraints of a survey.

Definition at line 351 of file class.ilSurveyConstraintsGUI.php.

References validateConstraintForEdit().

    {
        $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");
    }

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editPreconditionObject()

ilSurveyConstraintsGUI::editPreconditionObject

(

)

Definition at line 376 of file class.ilSurveyConstraintsGUI.php.

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

    {
        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");
    }

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executeCommand()

ilSurveyConstraintsGUI::executeCommand

(

)

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

References $ctrl, and $ilCtrl.

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

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 297 of file class.ilSurveyConstraintsGUI.php.

References $access, and ilObjSurvey\_hasDatasets().

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

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

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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/Constraints/class.ilSurveyConstraintsGUI.php