SurveyMultipleChoiceQuestionGUI Class Reference

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V. More...

Inheritance diagram for SurveyMultipleChoiceQuestionGUI:

Collaboration diagram for SurveyMultipleChoiceQuestionGUI:

Public Member Functions
	setQuestionTabs ()
	getParsedAnswers (?array $a_working_data=null, $a_only_user_anwers=false)
	getPrintView (int $question_title=1, bool $show_questiontext=true, ?int $survey_id=null, ?array $working_data=null)
	getWorkingForm (?array $working_data=null, int $question_title=1, bool $show_questiontext=true, string $error_message="", ?int $survey_id=null, bool $compress_view=false)
	Creates the question output form for the learner. More...
Public Member Functions inherited from SurveyQuestionGUI
	__construct ($a_id=-1)
	setQuestionTabs ()
	executeCommand ()
	getQuestionType ()
	Returns the question type string. More...
	setBackUrl (string $a_url)
	setQuestionTabsForClass (string $guiclass)
	getPrintView (int $question_title=1, bool $show_questiontext=true, ?int $survey_id=null, ?array $working_data=null)
	preview ()
	getWorkingForm (?array $working_data=null, int $question_title=1, bool $show_questiontext=true, string $error_message="", ?int $survey_id=null, bool $compress_view=false)

Protected Member Functions
	initObject ()
	addFieldsToEditForm (ilPropertyFormGUI $a_form)
	validateEditForm (ilPropertyFormGUI $a_form)
	importEditFormValues (ilPropertyFormGUI $a_form)
Protected Member Functions inherited from SurveyQuestionGUI
	initObject ()
	outQuestionText (ilTemplate $template)
	initEditForm ()
	addCommandButtons (ilPropertyFormGUI $a_form)
	editQuestion (?ilPropertyFormGUI $a_form=null)
	saveSync ()
	saveReturn ()
	saveForm ()
	save (bool $a_return=false, bool $a_sync=false)
	copySyncForm ()
	syncCopies ()
	originalSyncForm ()
	sync ()
	cancelSync ()
	redirectAfterSaving (bool $a_return=false)
	Redirect to calling survey or to edit form. More...
	cancel ()
	validateEditForm (ilPropertyFormGUI $a_form)
	addFieldsToEditForm (ilPropertyFormGUI $a_form)
	importEditFormValues (ilPropertyFormGUI $a_form)
	getPrintViewQuestionTitle (int $question_title=1)
	getQuestionTitle (int $question_title_mode=1)
	renderStatisticsDetailsTable (array $a_head, array $a_rows, ?array $a_foot=null)

Additional Inherited Members
Static Public Member Functions inherited from SurveyQuestionGUI
static	_getQuestionGUI (?string $questiontype, int $question_id=-1)
	Creates a question gui representation. More...
static	_getGUIClassNameForId (int $a_q_id)
static	_getClassNameForQType (string $q_type)
Data Fields inherited from SurveyQuestionGUI
SurveyQuestion	$object = null
Protected Attributes inherited from SurveyQuestionGUI
ILIAS Survey InternalGUIService	$gui
EditingGUIRequest	$request
EditManager	$edit_manager
ilRbacSystem	$rbacsystem
ilObjUser	$user
ilAccessHandler	$access
ilTree	$tree
ilToolbarGUI	$toolbar
ilTabsGUI	$tabs
ilGlobalTemplateInterface	$tpl
ilLanguage	$lng
ilCtrl	$ctrl
array	$cumulated = []
string	$parent_url = ""
ilLogger	$log

Detailed Description

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V.

ILIAS is licensed with the GPL-3.0, see https://www.gnu.org/licenses/gpl-3.0.en.html You should have received a copy of said license along with the source code, too.

If this is not the case or you just want to try ILIAS, you'll find us at: https://www.ilias.de https://github.com/ILIAS-eLearning MultipleChoice survey question GUI representation The SurveyMultipleChoiceQuestionGUI class encapsulates the GUI representation for multiple choice survey question types.

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

Definition at line 25 of file class.SurveyMultipleChoiceQuestionGUI.php.

Member Function Documentation

addFieldsToEditForm()

SurveyMultipleChoiceQuestionGUI::addFieldsToEditForm ( ilPropertyFormGUI  $a_form )

protected

Reimplemented from SurveyQuestionGUI.

Definition at line 41 of file class.SurveyMultipleChoiceQuestionGUI.php.

                                                                     : void
    {
        // orientation
        $orientation = new ilRadioGroupInputGUI($this->lng->txt("orientation"), "orientation");
        $orientation->setRequired(false);
        $orientation->addOption(new ilRadioOption($this->lng->txt('vertical'), 0));
        $orientation->addOption(new ilRadioOption($this->lng->txt('horizontal'), 1));
        $a_form->addItem($orientation);
 
        // minimum answers
        $minanswers = new ilCheckboxInputGUI($this->lng->txt("use_min_answers"), "use_min_answers");
        $minanswers->setValue(1);
        $minanswers->setOptionTitle($this->lng->txt("use_min_answers_option"));
        $minanswers->setRequired(false);
 
        $nranswers = new ilNumberInputGUI($this->lng->txt("nr_min_answers"), "nr_min_answers");
        $nranswers->setSize(5);
        $nranswers->setDecimals(0);
        $nranswers->setRequired(false);
        $nranswers->setMinValue(1);
        $minanswers->addSubItem($nranswers);
 
        $nrmaxanswers = new ilNumberInputGUI($this->lng->txt("nr_max_answers"), "nr_max_answers");
        $nrmaxanswers->setSize(5);
        $nrmaxanswers->setDecimals(0);
        $nrmaxanswers->setRequired(false);
        $nrmaxanswers->setMinValue(1);
        $minanswers->addSubItem($nrmaxanswers);
 
        $a_form->addItem($minanswers);
 
        // Answers
        $answers = new ilCategoryWizardInputGUI($this->lng->txt("answers"), "answers");
        $answers->setRequired(false);
        $answers->setAllowMove(true);
        $answers->setShowWizard(false);
        $answers->setUseOtherAnswer(true);
        $answers->setShowNeutralCategory(true);
        $answers->setNeutralCategoryTitle($this->lng->txt('svy_neutral_answer'));
        $answers->setDisabledScale(false);
        $a_form->addItem($answers);
 
 
        // values
        $orientation->setValue($this->object->getOrientation());
        $minanswers->setChecked((bool) $this->object->use_min_answers);
        $nranswers->setValue($this->object->nr_min_answers);
        $nrmaxanswers->setValue($this->object->nr_max_answers);
        if (!$this->object->getCategories()->getCategoryCount()) {
            $this->object->getCategories()->addCategory("");
        }
        $answers->setValues($this->object->getCategories());
    }

References ilPropertyFormGUI\addItem(), ILIAS\Repository\lng(), and ILIAS\Repository\object().

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getParsedAnswers()

SurveyMultipleChoiceQuestionGUI::getParsedAnswers	(	?array	$a_working_data = null,
			$a_only_user_anwers = false
	)

Definition at line 156 of file class.SurveyMultipleChoiceQuestionGUI.php.

     : array {
        if (is_array($a_working_data)) {
            $user_answers = $a_working_data;
        }
 
        $options = array();
        for ($i = 0; $i < $this->object->categories->getCategoryCount(); $i++) {
            $cat = $this->object->categories->getCategory($i);
            $value = ($cat->scale) ? ($cat->scale - 1) : $i;
 
            $checked = "unchecked";
            $text = null;
            if (is_array($a_working_data)) {
                foreach ($user_answers as $user_answer) {
                    if ($value == $user_answer["value"]) {
                        $checked = "checked";
                        if ($user_answer["textanswer"]) {
                            $text = $user_answer["textanswer"];
                        }
                        break;
                    }
                }
            }
 
            // "other" options have to be last or horizontal will be screwed
            $idx = $cat->other . "_" . $value;
 
            if (!$a_only_user_anwers || $checked === "checked") {
                $options[$idx] = array(
                "value" => $value
                ,"title" => trim($cat->title)
                ,"other" => (bool) $cat->other
                ,"checked" => $checked
                ,"textanswer" => $text
            );
            }
 
            ksort($options);
        }
 
        return array_values($options);
    }

getPrintView()

SurveyMultipleChoiceQuestionGUI::getPrintView	(	int	$question_title = 1,
		bool	$show_questiontext = true,
		?int	$survey_id = null,
		?array	$working_data = null
	)

Reimplemented from SurveyQuestionGUI.

Definition at line 202 of file class.SurveyMultipleChoiceQuestionGUI.php.

     : string {
        $options = $this->getParsedAnswers($working_data);
 
        $template = new ilTemplate("tpl.il_svy_qpl_mc_printview.html", true, true, "components/ILIAS/SurveyQuestionPool");
        switch ($this->object->getOrientation()) {
            case 0:
                // vertical orientation
                foreach ($options as $option) {
                    if ($option["other"]) {
                        $template->setCurrentBlock("other_row");
                        $template->setVariable("IMAGE_CHECKBOX", ilUtil::getHtmlPath(ilUtil::getImagePath("object/checkbox_" . $option["checked"] . ".png")));
                        $template->setVariable("ALT_CHECKBOX", $this->lng->txt($option["checked"]));
                        $template->setVariable("TITLE_CHECKBOX", $this->lng->txt($option["checked"]));
                        $template->setVariable(
                            "OTHER_LABEL",
                            ilLegacyFormElementsUtil::prepareFormOutput($option["title"])
                        );
                        $template->setVariable("OTHER_ANSWER", $option["textanswer"]
                            ? ilLegacyFormElementsUtil::prepareFormOutput($option["textanswer"])
                            : " ");
                    } else {
                        $template->setCurrentBlock("mc_row");
                        $template->setVariable("IMAGE_CHECKBOX", ilUtil::getHtmlPath(ilUtil::getImagePath("object/checkbox_" . $option["checked"] . ".png")));
                        $template->setVariable("ALT_CHECKBOX", $this->lng->txt($option["checked"]));
                        $template->setVariable("TITLE_CHECKBOX", $this->lng->txt($option["checked"]));
                        $template->setVariable("TEXT_MC", ilLegacyFormElementsUtil::prepareFormOutput($option["title"]));
                    }
                    $template->parseCurrentBlock();
                }
                break;
            case 1:
                // horizontal orientation
                foreach ($options as $option) {
                    $template->setCurrentBlock("checkbox_col");
                    $template->setVariable("IMAGE_CHECKBOX", ilUtil::getHtmlPath(ilUtil::getImagePath("object/checkbox_" . $option["checked"] . ".png")));
                    $template->setVariable("ALT_CHECKBOX", $this->lng->txt($option["checked"]));
                    $template->setVariable("TITLE_CHECKBOX", $this->lng->txt($option["checked"]));
                    $template->parseCurrentBlock();
                }
                foreach ($options as $option) {
                    if ($option["other"]) {
                        $template->setCurrentBlock("other_text_col");
                        $template->setVariable(
                            "OTHER_LABEL",
                            ilLegacyFormElementsUtil::prepareFormOutput($option["title"])
                        );
                        $template->setVariable("OTHER_ANSWER", $option["textanswer"]
                            ? ilLegacyFormElementsUtil::prepareFormOutput($option["textanswer"])
                            : " ");
                    } else {
                        $template->setCurrentBlock("text_col");
                        $template->setVariable("TEXT_MC", ilLegacyFormElementsUtil::prepareFormOutput($option["title"]));
                    }
                    $template->parseCurrentBlock();
                }
                break;
        }
 
        if ($this->object->use_min_answers) {
            $template->setCurrentBlock('min_max_msg');
            if ($this->object->nr_min_answers > 0 && $this->object->nr_max_answers > 0) {
                $template->setVariable('MIN_MAX_MSG', sprintf($this->lng->txt('msg_min_max_nr_answers'), $this->object->nr_min_answers, $this->object->nr_max_answers));
            } elseif ($this->object->nr_min_answers > 0) {
                $template->setVariable('MIN_MAX_MSG', sprintf($this->lng->txt('msg_min_nr_answers'), $this->object->nr_min_answers));
            } elseif ($this->object->nr_max_answers > 0) {
                $template->setVariable('MIN_MAX_MSG', sprintf($this->lng->txt('msg_max_nr_answers'), $this->object->nr_max_answers));
            }
            $template->parseCurrentBlock();
        }
        if ($show_questiontext) {
            $this->outQuestionText($template);
        }
        if ($question_title) {
            $template->setVariable("QUESTION_TITLE", $this->getPrintViewQuestionTitle($question_title));
        }
        $template->parseCurrentBlock();
        return $template->get();
    }

getWorkingForm()

SurveyMultipleChoiceQuestionGUI::getWorkingForm	(	?array	$working_data = null,
		int	$question_title = 1,
		bool	$show_questiontext = true,
		string	$error_message = "",
		?int	$survey_id = null,
		bool	$compress_view = false
	)

Creates the question output form for the learner.

Reimplemented from SurveyQuestionGUI.

Definition at line 294 of file class.SurveyMultipleChoiceQuestionGUI.php.

     : string {
        $template = new ilTemplate("tpl.il_svy_out_mc.html", true, true, "components/ILIAS/SurveyQuestionPool");
        switch ($this->object->getOrientation()) {
            case 0:
                // vertical orientation
                for ($i = 0; $i < $this->object->categories->getCategoryCount(); $i++) {
                    $cat = $this->object->categories->getCategory($i);
                    if ($cat->other) {
                        $template->setCurrentBlock("other_row");
                        if (strlen($cat->title ?? "")) {
                            $template->setVariable("OTHER_LABEL", $cat->title);
                        }
                        $template->setVariable("VALUE_MC", ($cat->scale) ? ($cat->scale - 1) : $i);
                        $template->setVariable("QUESTION_ID", $this->object->getId());
                        if (is_array($working_data)) {
                            foreach ($working_data as $value) {
                                if (strlen($value["value"] ?? "")) {
                                    if ($value["value"] == $cat->scale - 1) {
                                        $template->setVariable("OTHER_VALUE", ' value="' . ilLegacyFormElementsUtil::prepareFormOutput(
                                            $value['textanswer']
                                        ) . '"');
                                        if (!($value['uncheck'] ?? false)) {
                                            $template->setVariable("CHECKED_MC", " checked=\"checked\"");
                                        }
                                    }
                                }
                            }
                        }
                    } else {
                        $template->setCurrentBlock("mc_row");
                        if ($cat->neutral) {
                            $template->setVariable('ROWCLASS', ' class="neutral"');
                        }
                        $template->setVariable("TEXT_MC", ilLegacyFormElementsUtil::prepareFormOutput($cat->title));
                        $template->setVariable("VALUE_MC", ($cat->scale) ? ($cat->scale - 1) : $i);
                        $template->setVariable("QUESTION_ID", $this->object->getId());
                        if (is_array($working_data)) {
                            foreach ($working_data as $value) {
                                if (strlen($value["value"] ?? "")) {
                                    if ($value["value"] == $cat->scale - 1) {
                                        if (!($value['uncheck'] ?? false)) {
                                            $template->setVariable("CHECKED_MC", " checked=\"checked\"");
                                        }
                                    }
                                }
                            }
                        }
                    }
                    $template->parseCurrentBlock();
                    $template->touchBlock('outer_row');
                }
                break;
            case 1:
                // horizontal orientation
 
                // #15477 - reverting the categorizing of answers
                for ($i = 0; $i < $this->object->categories->getCategoryCount(); $i++) {
                    $cat = $this->object->categories->getCategory($i);
 
                    // checkbox
                    $template->setCurrentBlock("checkbox_col");
                    if ($cat->neutral) {
                        $template->setVariable('COLCLASS', ' neutral');
                    }
                    $template->setVariable("VALUE_MC", ($cat->scale) ? ($cat->scale - 1) : $i);
                    $template->setVariable("QUESTION_ID", $this->object->getId());
                    if (is_array($working_data)) {
                        foreach ($working_data as $value) {
                            if (strlen($value["value"] ?? "")) {
                                if ($value["value"] == $cat->scale - 1) {
                                    if (!($value['uncheck'] ?? false)) {
                                        $template->setVariable("CHECKED_MC", " checked=\"checked\"");
                                    }
                                }
                            }
                        }
                    }
                    $template->parseCurrentBlock();
 
                    // answer & input
                    if ($cat->other) {
                        $template->setCurrentBlock("text_other_col");
                        $template->setVariable("VALUE_MC", ($cat->scale) ? ($cat->scale - 1) : $i);
                        $template->setVariable("QUESTION_ID", $this->object->getId());
                        if (strlen($cat->title ?? "")) {
                            $template->setVariable("OTHER_LABEL", $cat->title);
                        }
                        if (is_array($working_data)) {
                            foreach ($working_data as $value) {
                                if (strlen($value["value"] ?? "")) {
                                    if ($value["value"] == $cat->scale - 1) {
                                        $template->setVariable("OTHER_VALUE", ' value="' . ilLegacyFormElementsUtil::prepareFormOutput(
                                            $value['textanswer']
                                        ) . '"');
                                    }
                                }
                            }
                        }
                    }
                    // answer
                    else {
                        $template->setCurrentBlock("text_col");
                        if ($cat->neutral) {
                            $template->setVariable('COLCLASS', ' neutral');
                        }
                        $template->setVariable("VALUE_MC", ($cat->scale) ? ($cat->scale - 1) : $i);
                        $template->setVariable("TEXT_MC", ilLegacyFormElementsUtil::prepareFormOutput($cat->title));
                        $template->setVariable("QUESTION_ID", $this->object->getId());
                    }
                    $template->parseCurrentBlock();
                    $template->touchBlock('text_outer_col');
                }
                break;
        }
 
        $template->setCurrentBlock("question_data");
        if ($this->object->use_min_answers) {
            $template->setCurrentBlock('min_max_msg');
            if ($this->object->nr_min_answers > 0 && $this->object->nr_max_answers > 0) {
                if ($this->object->nr_min_answers == $this->object->nr_max_answers) {
                    $template->setVariable('MIN_MAX_MSG', sprintf($this->lng->txt('msg_min_max_exact_answers'), $this->object->nr_min_answers));
                } else {
                    $template->setVariable('MIN_MAX_MSG', sprintf($this->lng->txt('msg_min_max_nr_answers'), $this->object->nr_min_answers, $this->object->nr_max_answers));
                }
            } elseif ($this->object->nr_min_answers > 0) {
                $template->setVariable('MIN_MAX_MSG', sprintf($this->lng->txt('msg_min_nr_answers'), $this->object->nr_min_answers));
            } elseif ($this->object->nr_max_answers > 0) {
                $template->setVariable('MIN_MAX_MSG', sprintf($this->lng->txt('msg_max_nr_answers'), $this->object->nr_max_answers));
            }
            $template->parseCurrentBlock();
        }
        if (strcmp($error_message, "") !== 0) {
            $template->setVariable("ERROR_MESSAGE", "<p class=\"warning\">$error_message</p>");
        }
        if ($show_questiontext) {
            $this->outQuestionText($template);
        }
        $template->setVariable("QUESTION_TITLE", $this->getQuestionTitle($question_title));
        $template->parseCurrentBlock();
        return $template->get();
    }

References ILIAS\Repository\object(), ilLegacyFormElementsUtil\prepareFormOutput(), and ilTemplate\setCurrentBlock().

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importEditFormValues()

SurveyMultipleChoiceQuestionGUI::importEditFormValues ( ilPropertyFormGUI  $a_form )

protected

Reimplemented from SurveyQuestionGUI.

Definition at line 133 of file class.SurveyMultipleChoiceQuestionGUI.php.

                                                                      : void
    {
        $this->object->setOrientation($a_form->getInput("orientation"));
        $this->object->use_other_answer = ($a_form->getInput('use_other_answer')) ? 1 : 0;
        $this->object->other_answer_label = $this->object->use_other_answer ? $a_form->getInput('other_answer_label') : "";
        $this->object->use_min_answers = (bool) $a_form->getInput('use_min_answers');
        $this->object->nr_min_answers = ($a_form->getInput('nr_min_answers') > 0) ? $a_form->getInput('nr_min_answers') : "";
        $this->object->nr_max_answers = ($a_form->getInput('nr_max_answers') > 0) ? $a_form->getInput('nr_max_answers') : "";
        $this->object->label = $a_form->getInput('label');
 
        $this->object->categories->flushCategories();
 
        $answers = $this->request->getAnswers();
        foreach ($answers['answer'] as $key => $value) {
            if (strlen($value ?? "")) {
                $this->object->getCategories()->addCategory($value, $answers['other'][$key] ?? 0, 0, null, $answers['scale'][$key]);
            }
        }
        if ($this->request->getNeutral() !== "") {
            $this->object->getCategories()->addCategory($this->request->getNeutral(), 0, 1, null, $this->request->getNeutralScale());
        }
    }

References ilPropertyFormGUI\getInput().

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initObject()

SurveyMultipleChoiceQuestionGUI::initObject ( )

protected

Reimplemented from SurveyQuestionGUI.

Definition at line 27 of file class.SurveyMultipleChoiceQuestionGUI.php.

                                   : void
    {
        $this->object = new SurveyMultipleChoiceQuestion();
    }

setQuestionTabs()

SurveyMultipleChoiceQuestionGUI::setQuestionTabs

(

)

Reimplemented from SurveyQuestionGUI.

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

                                     : void
    {
        $this->setQuestionTabsForClass("surveymultiplechoicequestiongui");
    }

References SurveyQuestionGUI\setQuestionTabsForClass().

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validateEditForm()

SurveyMultipleChoiceQuestionGUI::validateEditForm ( ilPropertyFormGUI  $a_form )

protected

Reimplemented from SurveyQuestionGUI.

Definition at line 95 of file class.SurveyMultipleChoiceQuestionGUI.php.

                                                                  : bool
    {
        $errors = false;
        if ($a_form->getInput("use_min_answers")) {
            // #13927 - see importEditFormValues()
            $cnt_answers = 0;
            $answers = $this->request->getAnswers();
            foreach ($answers['answer'] as $key => $value) {
                if (strlen($value ?? "")) {
                    $cnt_answers++;
                }
            }
            if ($this->request->getNeutral() !== "") {
                $cnt_answers++;
            }
            /* this would be the DB-values
            $cnt_answers = $a_form->getItemByPostVar("answers");
            $cnt_answers = $cnt_answers->getCategoryCount();
            */
            $min_anwers = $a_form->getInput("nr_min_answers");
            $max_anwers = $a_form->getInput("nr_max_answers");
 
            if ($min_anwers &&
                $min_anwers > $cnt_answers) {
                $a_form->getItemByPostVar("nr_min_answers")->setAlert($this->lng->txt('err_minvalueganswers'));
                $errors = true;
            }
            if ($max_anwers > 0 &&
                ($max_anwers > $cnt_answers || $max_anwers < $min_anwers)) {
                $a_form->getItemByPostVar("nr_max_answers")->setAlert($this->lng->txt('err_maxvaluegeminvalue'));
                $errors = true;
            }
        }
 
        $this->tpl->setOnScreenMessage('failure', $this->lng->txt('form_input_not_valid'));
        return !$errors;
    }

References ilPropertyFormGUI\getInput(), ilPropertyFormGUI\getItemByPostVar(), and ILIAS\Repository\lng().

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

• components/ILIAS/SurveyQuestionPool/Questions/class.SurveyMultipleChoiceQuestionGUI.php