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Lucas Woltmann
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263
libs/formLib.php
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263
libs/formLib.php
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<?php
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//============================================================================
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// Name : formLib.php
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// Author : Patrick Reipschläger
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// Version : 1.0
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// Date : 08-2013
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// Description : Provides several functions for displaying form elements
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// for the ESE evaluation for students and tutors.
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//============================================================================
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include ('questionnaireLib.php');
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// constants for the different types of message boxes
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define ("MSG_ALERT", 0);
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define ("MSG_WARNING", 1);
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define ("MSG_DANGER", 2);
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define ("MSG_SUCCESS", 3);
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define ("MSG_INFO", 4);
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// global variable that get toggled if a new row is created and that
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// indicates if the next created row is of equal or unequal style
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$isEqualRow = true;
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/**
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* Echos a new row division element of equal or unequal style depending
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* on the last row that has been created.
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*
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* @param boolean $toggle Indicates if the style should be switched or if the
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* new row should have same style as the previous row
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*/
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function CreateRowHeader($toggle = true)
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{
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global $isEqualRow;
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if ($toggle)
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$isEqualRow = !$isEqualRow;
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if ($isEqualRow == true)
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echo "<div class=\"row equalrow\">\n";
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else
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echo "<div class=\"row unequalrow\">\n";
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}
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/**
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* Echos a new headline division with the specified text with switching
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* row styles.
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*
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* @param string $text The text that should be displayed in the headline.
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*/
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function CreateHeadline($text)
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{
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CreateRowHeader();
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echo " <div class=\"col-sm-12\">\n";
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echo " <h1>" . $text . "</h1>\n";
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echo " </div>\n";
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echo "</div>\n";
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}
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/**
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* Echos a new section headline with the specified text and switching
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* row styles.
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*
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* @param string $text The text that should be displayed in the section header.
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*/
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function CreateSectionHeader($text)
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{
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CreateRowHeader();
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echo " <div class=\"col-sm-12\">\n";
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echo " <h2>" . $text . "</h2>\n";
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echo " </div>\n";
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echo "</div>\n";
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}
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/**
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* Echos a new paragraph with the specified text and switching
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* row styles.
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*
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* @param string $text The text that should be displayed in the paragraph.
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*/
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function CreateParagraph($text)
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{
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CreateRowHeader();
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echo " <div class=\"col-sm-12\">\n";
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echo " <p class=\"lead\">" . $text . "</p>\n";
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echo " </div>\n";
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echo "</div>\n";
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}
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/**
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* Echos a new paragraph with the specified link and switching
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* row styles.
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*
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* @param string $text The text that should be displayed for the link.
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* @param string $link The target to which should be linked.
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*/
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function CreateLink($text, $link)
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{
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CreateRowHeader();
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echo " <div class=\"col-sm-12\">\n";
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echo " <p class=\"lead\"><a href=\"" . $link . "\">" . $text . "</a></p>\n";
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echo " </div>\n";
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echo "</div>\n";
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}
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/**
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* Echos a new division with a labelled text box and switching row styles.
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*
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* @param string $label The label that should be displayed for the text box.
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* @param string $id The unique id that is used to identify the text box.
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* @param string $value The text that should be displayed within the text box.
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* The default value is no text.
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*/
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function CreateTextBox($label, $id, $value = "")
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{
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CreateRowHeader();
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echo " <div class=\"col-sm-8\">\n";
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echo " <p class=\"lead\">" . $label . "</p>\n";
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echo " </div>\n";
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echo " <div class=\"col-sm-4\">\n";
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echo " <input class=\"form-control\" type=\"text\" id=\"". $id . "\" name=\"". $id . "\" value=\"" . $value . "\" required/>\n";
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echo " </div>\n";
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echo "</div>\n";
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}
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/**
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* Echos a new division with the questionnaire answer legend and switching row styles.
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* Should only be used once at the top of the list of questions.
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*/
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function CreateLegend()
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{
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CreateRowHeader();
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echo " <div class=\"col-sm-2 col-offset-6\"><p class=\"lead\">Bewertung:</p></div>\n";
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echo " <div class=\"col-sm-4\">\n";
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echo " <div class=\"row\">\n";
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echo " <div class=\"col-2\"><p class=\"lead center\">++</p></div>\n";
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echo " <div class=\"col-2\"><p class=\"lead center\">+</p></div>\n";
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echo " <div class=\"col-2\"><p class=\"lead center\">o</p></div>\n";
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echo " <div class=\"col-2\"><p class=\"lead center\">-</p></div>\n";
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echo " <div class=\"col-2\"><p class=\"lead center\">--</p></div>\n";
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echo " <div class=\"col-2\"><p class=\"lead center\">N/A</p></div>\n";
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echo " </div>\n";
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echo " </div>\n";
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echo "</div>\n";
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}
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/**
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* Echos a new division with a question and six radio buttons for the possible answer.
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*
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* @param string $id The unique id that is used to identify the question.
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* @param integer $value Indicates which answer should initially be selected.
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* The default value is -1, which means no answer is selected.
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* The other possible values range from 1 to 6.
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*/
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function CreateQuestion($question, $id, $value = -1)
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{
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CreateRowHeader();
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echo " <div class=\"col-sm-8\">\n";
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echo " <p class=\"lead\">" . $question . "</p>\n";
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echo " </div>\n";
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echo " <div class=\"col-sm-4\">\n";
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echo " <div class=\"row\">\n";
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for ($i = 1; $i < 7; $i++)
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{
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echo " <div class=\"col-2\"><input class=\"form-control\" type=\"radio\" id=\"" . $id . $i . "\" name=\"" . $id . "\" value=\"" . $i . "\" required";
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if ($value == $i)
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echo " checked";
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echo "/></div>\n";
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}
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echo " </div>\n";
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echo " </div>\n";
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echo "</div>\n";
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}
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/**
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* Echos a new division with a labelled comment box and switching row styles.
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*
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* @param string $label The label that should be displayed for the comment box.
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* @param string $id The unique id that is used to identify the comment box.
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* @param string $value The comment that should be displayed within the comment box.
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* The default value is no text.
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*/
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function CreateCommentBox($label, $id, $value = "")
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{
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CreateRowHeader();
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echo " <div class=\"col-sm-8\">\n";
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echo " <p class=\"lead\">" . $label . "</p>\n";
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echo " </div>\n";
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echo " <div class=\"col-sm-4\">\n";
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echo " <textarea class=\"form-control\" id=\"" . $id . "\" name=\"" . $id . "\">" . $value . "</textarea>\n";
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echo " </div>\n";
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echo "</div>\n";
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}
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/**
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* Echos a new division for the questionnaire element with the specified id.
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* What kind of division is created id determined by the type of the element.
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*
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* @param string $id The unique id of the element that should be created.
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* @param array $questionnaire The questionnaire data that is used to build the form.
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* Passed by reference.
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* @param array $formData The list of all form elements and their values. This should
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* simply be the $_POST array that was submitted.
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* Passed by reference.
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*/
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function CreateQuestionnaireElement($id, &$questionnaire, &$formData)
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{
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if (!isset($questionnaire[$id]))
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return;
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$entry = $questionnaire[$id];
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$type = $entry[0];
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$value = "";
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if (isset($formData[$id]))
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$value = $formData[$id];
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if ($type == Q_HEADLINE)
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CreateHeadline($entry[1]);
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if ($type == Q_LEGEND)
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CreateLegend();
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else if ($type == Q_TEXTBOX)
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CreateTextBox($entry[1], $id, $value);
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else if ($type == Q_QUESTION)
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CreateQuestion($entry[1], $id, $value);
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else if ($type == Q_COMMENT)
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CreateCommentBox($entry[1], $id, $value);
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}
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/**
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* Echos a range of new divisions with switching row styles for all questions that
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* the specified questionnaire data contains. Only the questions are created, nothing else.
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*
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* @param array $questionnaire The questionnaire data that is used to build the form.
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* Passed by reference.
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* @param array $formData The list of all form elements and their values. This should
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* simply be the $_POST array that was submitted.
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* Passed by reference.
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*/
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function CreateAllQuestionElements(&$questionnaire, &$formData)
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{
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foreach($questionnaire as $id => $entry)
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{
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$type = $entry[0];
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if ($type != Q_QUESTION)
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continue;
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$value = "";
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if (isset($formData[$id]))
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$value = $formData[$id];
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CreateQuestion($entry[1], $id, $value);
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}
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}
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/**
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* Echos a new division with switching row styles that represents a message box.
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*
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* @param integer $msgType The type of message box that should be created. The MSG constants
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* defined at the beginning of this file should be used for this parameter.
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* @param string $header The text that should be displayed in the header of the message box.
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* @param string $text The text that is displayed within the message box itself.
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*/
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function CreateMessageBox($msgType, $header, $text)
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{
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CreateRowHeader(false);
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echo " <div class=\"col-sm-12 col-offset-0\">\n";
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echo "<div class=\"panel";
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if ($msgType == MSG_WARNING)
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echo " panel-warning";
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else if ($msgType == MSG_DANGER)
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echo " panel-danger";
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else if ($msgType == MSG_SUCCESS)
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echo " panel-success";
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else if ($msgType == MSG_INFO)
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echo " panel-info";
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echo "\"><div class=\"panel-heading\"><h3 class=\"panel-title\">" . $header . "</h3></div>" . $text . "</div>";
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echo " </div>\n";
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echo "</div>\n";
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}
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?>
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