/**
* function which redefines Question::createAnswersForm
* @param the formvalidator instance
*/
function createAnswersForm($form)
{
$defaults = array();
if (!empty($this->id)) {
$objAnswer = new answer($this->id);
$preArray = explode('@@', $objAnswer->selectAnswer(1));
$defaults['formula'] = array_pop($preArray);
$defaults['answer'] = array_shift($preArray);
$defaults['answer'] = preg_replace("/\\[.*\\]/", "", $defaults['answer']);
$defaults['weighting'] = $this->weighting;
} else {
$defaults['answer'] = get_lang('DefaultTextInBlanks');
}
$lowestValue = "1.00";
$highestValue = "20.00";
// javascript //
echo '<script>
function parseTextNumber(textNumber, floatValue) {
if (textNumber.indexOf(".") > -1) {
textNumber = parseFloat(textNumber);
floatValue.exists = "true";
} else {
textNumber = parseInt(textNumber);
}
return textNumber;
}
function updateRandomValue(element) {
// "floatValue" helps to distinguish between an integer (10) and a float with all 0 decimals (10.00)
var floatValue = { exists: "false" };
var index = (element.name).match(/\\[[^\\]]*\\]/g);
var lowestValue = parseTextNumber(document.getElementById("lowestValue"+index).value, floatValue);
var highestValue = parseTextNumber(document.getElementById("highestValue"+index).value, floatValue);
var result = Math.random() * (highestValue - lowestValue) + lowestValue;
if (floatValue.exists == "true") {
result = parseFloat(result).toFixed(2);
} else {
result = parseInt(result);
}
document.getElementById("randomValue"+index).innerHTML = "' . get_lang("ExampleValue") . ': " + result;
}
function FCKeditor_OnComplete(editorInstance) {
if (window.attachEvent) {
editorInstance.EditorDocument.attachEvent("onkeyup", updateBlanks) ;
} else {
editorInstance.EditorDocument.addEventListener("keyup", updateBlanks, true);
}
}
var firstTime = true;
function updateBlanks() {
if (firstTime) {
field = document.getElementById("answer");
var answer = field.value;
} else {
var oEditor = FCKeditorAPI.GetInstance("answer");
//var answer = oEditor.GetXHTML(true);
var answer = oEditor.EditorDocument.body.innerHTML;
}
var blanks = answer.match(/\\[[^\\]]*\\]/g);
var fields = "<div class=\\"control-group\\"><label class=\\"control-label\\">' . get_lang('VariableRanges') . '</label><div class=\\"controls\\"><table>";
if (blanks!=null) {
if (typeof updateBlanks.randomValues === "undefined") {
updateBlanks.randomValues = [];
}
for (i=0 ; i<blanks.length ; i++){
if (document.getElementById("lowestValue["+i+"]") && document.getElementById("highestValue["+i+"]")) {
lowestValue = document.getElementById("lowestValue["+i+"]").value;
highestValue = document.getElementById("highestValue["+i+"]").value;
} else {
lowestValue = ' . $lowestValue . '.toFixed(2);
highestValue = ' . $highestValue . '.toFixed(2);
for (j=0; j<blanks.length; j++) {
updateBlanks.randomValues[j] = parseFloat(Math.random() * (highestValue - lowestValue) + lowestValue).toFixed(2);
}
}
fields += "<tr><td><label>"+blanks[i]+"</label></td><td><input class=\\"span1\\" style=\\"margin-left: 0em;\\" size=\\"5\\" value=\\""+lowestValue+"\\" type=\\"text\\" id=\\"lowestValue["+i+"]\\" name=\\"lowestValue["+i+"]\\" onblur=\\"updateRandomValue(this)\\"/></td><td><input class=\\"span1\\" style=\\"margin-left: 0em; width:80px;\\" size=\\"5\\" value=\\""+highestValue+"\\" type=\\"text\\" id=\\"highestValue["+i+"]\\" name=\\"highestValue["+i+"]\\" onblur=\\"updateRandomValue(this)\\"/></td><td><label class=\\"span3\\" id=\\"randomValue["+i+"]\\"/>' . get_lang('ExampleValue') . ': "+updateBlanks.randomValues[i]+"</label></td></tr>";
}
}
document.getElementById("blanks_weighting").innerHTML = fields + "</table></div></div>";
if (firstTime) {
firstTime = false;
}
}
window.onload = updateBlanks;
</script>';
// answer
$form->addElement('label', null, '<br /><br />' . get_lang('TypeTextBelow') . ', ' . get_lang('And') . ' ' . get_lang('UseTagForBlank'));
$form->addElement('html_editor', 'answer', '<img src="../img/fill_field.png">', 'id="answer" cols="122" rows="6" onkeyup="javascript: updateBlanks(this);"', array('ToolbarSet' => 'TestQuestionDescription', 'Width' => '100%', 'Height' => '350'));
$form->addRule('answer', get_lang('GiveText'), 'required');
$form->addRule('answer', get_lang('DefineBlanks'), 'regex', '/\\[.*\\]/');
$form->addElement('label', null, get_lang('IfYouWantOnlyIntegerValuesWriteBothLimitsWithoutDecimals'));
$form->addElement('html', '<div id="blanks_weighting"></div>');
$notationListButton = Display::url(get_lang('NotationList'), api_get_path(WEB_PATH) . 'main/exercice/evalmathnotation.php', array('class' => 'btn ajax', '_target' => '_blank'));
$form->addElement('html', '<div class="control-group">
<label class="control-label"></label>
<div class="controls">' . $notationListButton . '</div>
</div>');
$form->addElement('label', null, get_lang('FormulaExample'));
$form->addElement('text', 'formula', get_lang('Formula'), array('id' => 'formula', 'class' => 'span4'));
$form->addRule('formula', get_lang('GiveFormula'), 'required');
$form->addElement('text', 'weighting', get_lang('Weighting'), array('id' => 'weighting', 'class' => 'span1'));
$form->setDefaults(array('weighting' => '10'));
$form->addElement('text', 'answerVariations', get_lang('AnswerVariations'), array('class' => 'span1'));
$form->addRule('answerVariations', get_lang('GiveAnswerVariations'), 'required');
$form->setDefaults(array('answerVariations' => '1'));
global $text, $class;
// setting the save button here and not in the question class.php
$form->addElement('style_submit_button', 'submitQuestion', $text, 'class="' . $class . '"');
if (!empty($this->id)) {
$form->setDefaults($defaults);
} else {
if ($this->isContent == 1) {
$form->setDefaults($defaults);
}
}
}
/**
* function which redefines Question::createAnswersForm
* @param the formvalidator instance
*/
function createAnswersForm($form)
{
$defaults = array();
if (!empty($this->id)) {
$objAnswer = new answer($this->id);
// the question is encoded like this
// [A] B [C] D [E] F::10,10,10@1
// number 1 before the "@" means that is a switchable fill in blank question
// [A] B [C] D [E] F::10,10,10@ or [A] B [C] D [E] F::10,10,10
// means that is a normal fill blank question
$pre_array = explode('::', $objAnswer->selectAnswer(1));
//make sure we only take the last bit to find special marks
$sz = count($pre_array);
$is_set_switchable = explode('@', $pre_array[$sz - 1]);
if ($is_set_switchable[1]) {
$defaults['multiple_answer'] = 1;
} else {
$defaults['multiple_answer'] = 0;
}
//Take the complete string except after the last '::'
$defaults['answer'] = '';
for ($i = 0; $i < $sz - 1; $i++) {
$defaults['answer'] .= $pre_array[$i];
}
$a_weightings = explode(',', $is_set_switchable[0]);
} else {
$defaults['answer'] = get_lang('DefaultTextInBlanks');
}
$setValues = null;
if (isset($a_weightings) && count($a_weightings) > 0) {
foreach ($a_weightings as $i => $weighting) {
$setValues .= 'document.getElementById("weighting[' . $i . ']").value = "' . $weighting . '";';
}
}
// javascript
echo '<script>
function FCKeditor_OnComplete(editorInstance) {
if (window.attachEvent) {
editorInstance.EditorDocument.attachEvent("onkeyup", updateBlanks) ;
} else {
editorInstance.EditorDocument.addEventListener("keyup", updateBlanks, true);
}
}
var firstTime = true;
function updateBlanks() {
if (firstTime) {
field = document.getElementById("answer");
var answer = field.value;
} else {
var oEditor = FCKeditorAPI.GetInstance("answer");
//var answer = oEditor.GetXHTML(true);
var answer = oEditor.EditorDocument.body.innerHTML;
}
var blanks = answer.match(/\\[[^\\]]*\\]/g);
var fields = "<div class=\\"control-group\\"><label class=\\"control-label\\">' . get_lang('Weighting') . '</label><div class=\\"controls\\"><table>";
if (blanks!=null) {
for (i=0 ; i<blanks.length ; i++){
if (document.getElementById("weighting["+i+"]"))
value = document.getElementById("weighting["+i+"]").value;
else
value = "10";
fields += "<tr><td><label>"+blanks[i]+"</label></td><td><input style=\\"margin-left: 0em;\\" size=\\"5\\" value=\\""+value+"\\" type=\\"text\\" id=\\"weighting["+i+"]\\" name=\\"weighting["+i+"]\\" /></td></tr>";
}
}
document.getElementById("blanks_weighting").innerHTML = fields + "</table></div></div>";
if (firstTime) {
firstTime = false;
' . $setValues . '
}
}
window.onload = updateBlanks;
</script>';
// answer
$form->addElement('label', null, '<br /><br />' . get_lang('TypeTextBelow') . ', ' . get_lang('And') . ' ' . get_lang('UseTagForBlank'));
$form->addElement('html_editor', 'answer', '<img src="../img/fill_field.png">', 'id="answer" cols="122" rows="6" onkeyup="javascript: updateBlanks(this);"', array('ToolbarSet' => 'TestQuestionDescription', 'Width' => '100%', 'Height' => '350'));
$form->addRule('answer', get_lang('GiveText'), 'required');
$form->addRule('answer', get_lang('DefineBlanks'), 'regex', '/\\[.*\\]/');
//added multiple answers
$form->addElement('checkbox', 'multiple_answer', '', get_lang('FillInBlankSwitchable'));
$form->addElement('html', '<div id="blanks_weighting"></div>');
global $text, $class;
// setting the save button here and not in the question class.php
$form->addElement('style_submit_button', 'submitQuestion', $text, 'class="' . $class . '"');
if (!empty($this->id)) {
$form->setDefaults($defaults);
} else {
if ($this->isContent == 1) {
$form->setDefaults($defaults);
}
}
}
