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eseeva/libs/formLib.php

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<?php
//============================================================================
// Name : formLib.php
// Authors : Patrick Reipschläger, Lucas Woltmann
// Version : 1.1
// Date : 07-2014
// Description : Provides several functions for displaying form elements
// for the ESE evaluation for students and tutors.
//============================================================================
include ('questionnaireLib.php');
// constants for the different types of message boxes
define ("MSG_ALERT", 0);
define ("MSG_WARNING", 1);
define ("MSG_DANGER", 2);
define ("MSG_SUCCESS", 3);
define ("MSG_INFO", 4);
// global variable that get toggled if a new row is created and that
// indicates if the next created row is of equal or unequal style
$isEqualRow = true;
/**
* Echos a new row division element of equal or unequal style depending
* on the last row that has been created.
*
* @param boolean $toggle Indicates if the style should be switched or if the
* new row should have same style as the previous row
*/
function CreateRowHeader($toggle = true)
{
global $isEqualRow;
if ($toggle)
$isEqualRow = !$isEqualRow;
if ($isEqualRow == true)
echo "<div class=\"row equalrow\">\n";
else
echo "<div class=\"row unequalrow\">\n";
}
/**
* Echos a new headline division with the specified text with switching
* row styles.
*
* @param string $text The text that should be displayed in the headline.
*/
function CreateHeadline($text)
{
CreateRowHeader();
echo " <div class=\"col-sm-12\">\n";
echo " <h1>" . $text . "</h1>\n";
echo " </div>\n";
echo "</div>\n";
}
/**
* Echos a new section headline with the specified text and switching
* row styles.
*
* @param string $text The text that should be displayed in the section header.
*/
function CreateSectionHeader($text)
{
CreateRowHeader();
echo " <div class=\"col-sm-12\">\n";
echo " <h2>" . $text . "</h2>\n";
echo " </div>\n";
echo "</div>\n";
}
/**
* Echos a new paragraph with the specified text and switching
* row styles.
*
* @param string $text The text that should be displayed in the paragraph.
*/
function CreateParagraph($text)
{
CreateRowHeader();
echo " <div class=\"col-sm-12\">\n";
echo " <p class=\"lead\">" . $text . "</p>\n";
echo " </div>\n";
echo "</div>\n";
}
/**
* Echos a new paragraph with the specified link and switching
* row styles.
*
* @param string $text The text that should be displayed for the link.
* @param string $link The target to which should be linked.
*/
function CreateLink($text, $link)
{
CreateRowHeader();
echo " <div class=\"col-sm-12\">\n";
echo " <p class=\"lead\"><a href=\"" . $link . "\">" . $text . "</a></p>\n";
echo " </div>\n";
echo "</div>\n";
}
/**
* Echos a new division with a labelled text box and switching row styles.
*
* @param string $label The label that should be displayed for the text box.
* @param string $id The unique id that is used to identify the text box.
* @param string $value The text that should be displayed within the text box.
* The default value is no text.
*/
function CreateTextBox($label, $id, $value = "")
{
CreateRowHeader();
echo " <div class=\"col-sm-8\">\n";
echo " <p class=\"lead\">" . $label . "</p>\n";
echo " </div>\n";
echo " <div class=\"col-sm-4\">\n";
echo " <input class=\"form-control\" type=\"text\" id=\"". $id . "\" name=\"". $id . "\" value=\"" . $value . "\" required/>\n";
echo " </div>\n";
echo "</div>\n";
}
/**
* Echos a new division with the questionnaire answer legend and switching row styles.
* Should only be used once at the top of the list of questions.
*/
function CreateLegend()
{
CreateRowHeader();
echo " <div class=\"col-sm-2 col-offset-6\"><p class=\"lead\">Bewertung:</p></div>\n";
echo " <div class=\"col-sm-4\">\n";
echo " <div class=\"row\">\n";
echo " <div class=\"col-2\"><p class=\"lead center\">++</p></div>\n";
echo " <div class=\"col-2\"><p class=\"lead center\">+</p></div>\n";
echo " <div class=\"col-2\"><p class=\"lead center\">o</p></div>\n";
echo " <div class=\"col-2\"><p class=\"lead center\">-</p></div>\n";
echo " <div class=\"col-2\"><p class=\"lead center\">--</p></div>\n";
echo " <div class=\"col-2\"><p class=\"lead center\">N/A</p></div>\n";
echo " </div>\n";
echo " </div>\n";
echo "</div>\n";
}
/**
* Echos a new division with a question and six radio buttons for the possible answer.
*
* @param string $id The unique id that is used to identify the question.
* @param integer $value Indicates which answer should initially be selected.
* The default value is -1, which means no answer is selected.
* The other possible values range from 1 to 6.
*/
function CreateQuestion($question, $id, $value = -1)
{
CreateRowHeader();
echo " <div class=\"col-sm-8\">\n";
echo " <p class=\"lead\">" . $question . "</p>\n";
echo " </div>\n";
echo " <div class=\"col-sm-4\">\n";
echo " <div class=\"row\">\n";
for ($i = 1; $i < 7; $i++)
{
echo " <div class=\"col-2\"><input class=\"form-control\" type=\"radio\" id=\"" . $id . $i . "\" name=\"" . $id . "\" value=\"" . $i . "\" required";
if ($value == $i)
echo " checked";
echo "/></div>\n";
}
echo " </div>\n";
echo " </div>\n";
echo "</div>\n";
}
/**
* Echos a new division with a labelled comment box and switching row styles.
*
* @param string $label The label that should be displayed for the comment box.
* @param string $id The unique id that is used to identify the comment box.
* @param string $value The comment that should be displayed within the comment box.
* The default value is no text.
*/
function CreateCommentBox($label, $id, $value)
{
CreateRowHeader();
echo " <div class=\"col-sm-8\">\n";
echo " <p class=\"lead\">" . $label . "</p>\n";
echo " </div>\n";
echo " <div class=\"col-sm-4\">\n";
echo " <textarea class=\"form-control\" id=\"" . $id . "\" name=\"" . $id . "\">" . $value . "</textarea>\n";
echo " </div>\n";
echo "</div>\n";
}
/**
* Echos a new division for the questionnaire element with the specified id.
* What kind of division is created id determined by the type of the element.
*
* @param string $id The unique id of the element that should be created.
* @param array $questionnaire The questionnaire data that is used to build the form.
* Passed by reference.
* @param array $formData The list of all form elements and their values. This should
* simply be the $_POST array that was submitted.
* Passed by reference.
*/
function CreateQuestionnaireElement($id, &$questionnaire, &$formData)
{
if (!isset($questionnaire[$id]))
return;
$entry = $questionnaire[$id];
$type = $entry[0];
$value = "";
if (isset($formData[$id]))
$value = $formData[$id];
if ($type == Q_HEADLINE)
CreateHeadline($entry[1]);
if ($type == Q_LEGEND)
CreateLegend();
else if ($type == Q_TEXTBOX)
CreateTextBox($entry[1], $id, $value);
else if ($type == Q_QUESTION)
CreateQuestion($entry[1], $id, $value);
else if ($type == Q_COMMENT)
CreateCommentBox($entry[1], $id, $value);
else if ($type == Q_DROPDOWN)
{
$value = $formData;
CreateDropDownMenu($entry[1], $id, $value);
}
}
/**
* Echos a range of new divisions with switching row styles for all questions that
* the specified questionnaire data contains. Only the questions are created, nothing else.
*
* @param array $questionnaire The questionnaire data that is used to build the form.
* Passed by reference.
* @param array $formData The list of all form elements and their values. This should
* simply be the $_POST array that was submitted.
* Passed by reference.
*/
function CreateAllQuestionElements(&$questionnaire, &$formData)
{
foreach($questionnaire as $id => $entry)
{
$type = $entry[0];
if ($type != Q_QUESTION)
continue;
$value = "";
if (isset($formData[$id]))
$value = $formData[$id];
CreateQuestion($entry[1], $id, $value);
}
}
/**
* Echos a range of new divisions with switching row styles for all questions that
* the specified questionnaire data contains. Only the questions are created, nothing else.
*
* @param array $questionnaire The questionnaire data that is used to build the form.
* Passed by reference.
* @param array $formData The list of all form elements and their values. This should
* simply be the $_POST array that was submitted.
* Passed by reference.
*/
function CreateAllCommentElements(&$questionnaire, &$formData)
{
foreach($questionnaire as $id => $entry)
{
$type = $entry[0];
if ($type != Q_COMMENT)
continue;
$value = "";
if (isset($formData[$id]))
$value = $formData[$id];
CreateCommentBox($entry[1], $id, $value);
}
}
/**
* Echos a range of new divisions with switching row styles for all questions that
* the specified questionnaire data contains. Only the questions are created, nothing else.
*
* @param array $questionnaire The questionnaire data that is used to build the form.
* Passed by reference.
* @param array $formData The list of all form elements and their values. This should
* simply be the $_POST array that was submitted.
* Passed by reference.
*/
function CreateEvaForm(&$questionnaire, &$formData)
{
foreach($questionnaire as $id => $entry)
{
$type = $entry[0];
$value = "";
if (isset($formData[$id]))
$value = $formData[$id];
if ($type == Q_HEADLINE)
CreateHeadline($entry[1]);
if ($type == Q_LEGEND)
CreateLegend();
else if ($type == Q_TEXTBOX)
CreateTextBox($entry[1], $id, $value);
else if ($type == Q_QUESTION)
CreateQuestion($entry[1], $id, $value);
else if ($type == Q_COMMENT)
CreateCommentBox($entry[1], $id, $value);
else if ($type == Q_DROPDOWN)
{
$value = $formData;
CreateDropDownMenu($entry[1], $id, $value);
}
}
}
/**
* Echos a new division with switching row styles that represents a message box.
*
* @param integer $msgType The type of message box that should be created. The MSG constants
* defined at the beginning of this file should be used for this parameter.
* @param string $header The text that should be displayed in the header of the message box.
* @param string $text The text that is displayed within the message box itself.
*/
function CreateMessageBox($msgType, $header, $text)
{
CreateRowHeader(false);
echo " <div class=\"col-sm-12 col-offset-0\">\n";
echo "<div class=\"panel";
if ($msgType == MSG_WARNING)
echo " panel-warning";
else if ($msgType == MSG_DANGER)
echo " panel-danger";
else if ($msgType == MSG_SUCCESS)
echo " panel-success";
else if ($msgType == MSG_INFO)
echo " panel-info";
echo "\"><div class=\"panel-heading\"><h3 class=\"panel-title\">" . $header . "</h3></div>" . $text . "</div>";
echo " </div>\n";
echo "</div>\n";
}
/**
* Echos a new division with a dropdown menu.
*
* @param string $label The label that should be displayed for the dropdown menu.
* @param string $id The unique id that is used to identify the dropdown menu.
* @param string $value The options that should be displayed within the dropdown menu.
*
*/
function CreateDropDownMenu($label, $id, $value)
{
CreateRowHeader();
echo " <div class=\"col-sm-8\">\n";
echo " <p class=\"lead\">" . $label . "</p>\n";
echo " </div>\n";
echo " <div class=\"col-sm-4\">\n";
echo " <select class=\"form-control\" id=\"". $id . "\" name=\"". $id ."\" required>\n";
foreach ($value as $key => $entry) {
echo " <option value=\"".$entry."\">".$entry."</option>\n";
}
echo " </select>\n";
echo " </div>\n";
echo "</div>\n";
}
?>
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