mirrored from git://git.moodle.org/moodle.git
/
v6.php
1459 lines (1291 loc) · 54.8 KB
/
v6.php
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<?PHP
class hotpot_xml_quiz_template extends hotpot_xml_template_default {
// constructor function for this class
function hotpot_xml_quiz_template(&$parent) {
$this->parent = &$parent;
$get_js = optional_param('js', false);
$get_css = optional_param('css', false);
if (!empty($get_css)) {
// set $this->css
$this->v6_expand_StyleSheet();
} else if (!empty($get_js)) {
// set $this->js
$this->read_template($this->parent->draganddrop.$this->parent->quiztype.'6.js_', 'js');
} else {
// set $this->html
$this->read_template($this->parent->draganddrop.$this->parent->quiztype.'6.ht_', 'html');
}
// expand special strings, if any
$pattern = '';
switch ($this->parent->quiztype) {
case 'jcloze':
$pattern = '/\[(PreloadImageList)\]/';
break;
case 'jcross':
$pattern = '/\[(PreloadImageList|ShowHideClueList)\]/';
break;
case 'jmatch':
$pattern = '/\[(PreloadImageList|QsToShow|FixedArray|DragArray)\]/';
break;
case 'jmix':
$pattern = '/\[(PreloadImageList|SegmentArray|AnswerArray)\]/';
break;
case 'jquiz':
$pattern = '/\[(PreloadImageList|QsToShow)\]/';
break;
}
if (!empty($pattern)) {
$this->expand_strings('html', $pattern);
}
}
// captions and messages
function v6_expand_AlsoCorrect() {
return $this->parent->xml_value('hotpot-config-file,'.$this->parent->quiztype.',also-correct');
}
function v6_expand_CapitalizeFirst() {
return $this->bool_value('hotpot-config-file,'.$this->parent->quiztype.',capitalize-first-letter');
}
function v6_expand_CheckCaption() {
return $this->parent->xml_value('hotpot-config-file,global,check-caption');
}
function v6_expand_CorrectIndicator() {
return $this->js_value('hotpot-config-file,global,correct-indicator');
}
function v6_expand_Back() {
return $this->int_value('hotpot-config-file,global,include-back');
}
function v6_expand_BackCaption() {
return $this->parent->xml_value('hotpot-config-file,global,back-caption');
}
function v6_expand_ClickToAdd() {
return $this->parent->xml_value('hotpot-config-file,'.$this->parent->quiztype.',click-to-add');
}
function v6_expand_ClueCaption() {
return $this->parent->xml_value('hotpot-config-file,global,clue-caption');
}
function v6_expand_Clues() {
return $this->int_value('hotpot-config-file,'.$this->parent->quiztype.',include-clues');
}
function v6_expand_Contents() {
return $this->int_value('hotpot-config-file,global,include-contents');
}
function v6_expand_ContentsCaption() {
return $this->parent->xml_value('hotpot-config-file,global,contents-caption');
}
function v6_expand_GuessCorrect() {
return $this->js_value('hotpot-config-file,'.$this->parent->quiztype.',guess-correct');
}
function v6_expand_GuessIncorrect() {
return $this->js_value('hotpot-config-file,'.$this->parent->quiztype.',guess-incorrect');
}
function v6_expand_Hint() {
return $this->int_value('hotpot-config-file,'.$this->parent->quiztype.',include-hint');
}
function v6_expand_HintCaption() {
return $this->parent->xml_value('hotpot-config-file,global,hint-caption');
}
function v6_expand_IncorrectIndicator() {
return $this->js_value('hotpot-config-file,global,incorrect-indicator');
}
function v6_expand_LastQCaption() {
return $this->parent->xml_value('hotpot-config-file,global,last-q-caption');
}
function v6_expand_NextCorrect() {
$value = $this->js_value('hotpot-config-file,'.$this->parent->quiztype.',next-correct-part');
if (empty($value)) { // jquiz
$value = $this->js_value('hotpot-config-file,'.$this->parent->quiztype.',next-correct-letter');
}
return $value;
}
function v6_expand_NextEx() {
return $this->int_value('hotpot-config-file,global,include-next-ex');
}
function v6_expand_NextExCaption() {
return $this->parent->xml_value('hotpot-config-file,global,next-ex-caption');
}
function v6_expand_NextQCaption() {
return $this->parent->xml_value('hotpot-config-file,global,next-q-caption');
}
function v6_expand_OKCaption() {
return $this->parent->xml_value('hotpot-config-file,global,ok-caption');
}
function v6_expand_Restart() {
return $this->int_value('hotpot-config-file,'.$this->parent->quiztype.',include-restart');
}
function v6_expand_RestartCaption() {
return $this->parent->xml_value('hotpot-config-file,global,restart-caption');
}
function v6_expand_ShowAllQuestionsCaption() {
return $this->js_value('hotpot-config-file,global,show-all-questions-caption');
}
function v6_expand_ShowOneByOneCaption() {
return $this->js_value('hotpot-config-file,global,show-one-by-one-caption');
}
function v6_expand_TheseAnswersToo() {
return $this->js_value('hotpot-config-file,'.$this->parent->quiztype.',also-correct');
}
function v6_expand_ThisMuch() {
return $this->js_value('hotpot-config-file,'.$this->parent->quiztype.',this-much-correct');
}
function v6_expand_Undo() {
return $this->int_value('hotpot-config-file,'.$this->parent->quiztype.',include-undo');
}
function v6_expand_UndoCaption() {
return $this->parent->xml_value('hotpot-config-file,global,undo-caption');
}
function v6_expand_YourScoreIs() {
return $this->js_value('hotpot-config-file,global,your-score-is');
}
// reading
function v6_expand_Reading() {
return $this->int_value('data,reading,include-reading');
}
function v6_expand_ReadingText() {
$title = $this->v6_expand_ReadingTitle();
$value = $this->parent->xml_value('data,reading,reading-text');
$value = empty($value) ? '' : ('<div class="ReadingText">'.$value.'</div>');
return $title.$value;
}
function v6_expand_ReadingTitle() {
$value = $this->parent->xml_value('data,reading,reading-title');
return empty($value) ? '' : ('<h3 class="ExerciseSubtitle">'.$value.'</h3>');
}
// timer
function v6_expand_Timer() {
return $this->int_value('data,timer,include-timer');
}
function v6_expand_JSTimer() {
return $this->read_template('hp6timer.js_');
}
function v6_expand_Seconds() {
return $this->parent->xml_value('data,timer,seconds');
}
// send results
function v6_expand_SendResults() {
return $this->parent->xml_value('hotpot-config-file,'.$this->parent->quiztype.',send-email');
}
function v6_expand_JSSendResults() {
return $this->read_template('hp6sendresults.js_');
}
function v6_expand_FormMailURL() {
return $this->parent->xml_value('hotpot-config-file,global,formmail-url');
}
function v6_expand_EMail() {
return $this->parent->xml_value('hotpot-config-file,global,email');
}
function v6_expand_NamePlease() {
return $this->js_value('hotpot-config-file,global,name-please');
}
// preload images
function v6_expand_PreloadImages() {
$value = $this->v6_expand_PreloadImageList();
return empty($value) ? false : true;
}
function v6_expand_PreloadImageList() {
// check it has not been set already
if (!isset($this->PreloadImageList)) {
// the list of image urls
$list = array();
// extract <img> tags
$img_tag = htmlspecialchars('|<img.*?src="(.*?)".*?>|is');
if (preg_match_all($img_tag, $this->parent->source, $matches)) {
$list = $matches[1];
// remove duplicates
$list = array_unique($list);
}
// convert to comma delimited string
$this->PreloadImageList = empty($list) ? '' : "'".implode(',', $list)."'";
}
return $this->PreloadImageList;
}
// html files (all quiz types)
function v6_expand_PlainTitle() {
return $this->parent->xml_value('data,title');
}
function v6_expand_ExerciseSubtitle() {
return $this->parent->xml_value('hotpot-config-file,'.$this->parent->quiztype.',exercise-subtitle');
}
function v6_expand_Instructions() {
return $this->parent->xml_value('hotpot-config-file,'.$this->parent->quiztype.',instructions');
}
function v6_expand_DublinCoreMetadata() {
$dc = '<link rel="schema.DC" href="'.$this->parent->xml_value('', "['rdf:RDF'][0]['@']['xmlns:dc']").'" />'."\n";
if (is_string($this->parent->xml_value('rdf:RDF,rdf:Description'))) {
// do nothing (there is no more dc info)
} else {
$dc .= '<meta name="DC:Creator" content="'.$this->parent->xml_value('rdf:RDF,rdf:Description,dc:creator').'" />'."\n";
$dc .= '<meta name="DC:Title" content="'.strip_tags($this->parent->xml_value('rdf:RDF,rdf:Description,dc:title')).'" />'."\n";
}
return $dc;
}
function v6_expand_FullVersionInfo() {
global $CFG;
require_once($CFG->hotpotroot.DIRECTORY_SEPARATOR.'version.php'); // set $module
return $this->parent->xml_value('version').'.x (Moodle '.$CFG->release.', hotpot-module '.$this->parent->obj_value($module, 'release').')';
}
function v6_expand_HeaderCode() {
return $this->parent->xml_value('hotpot-config-file,global,header-code');
}
function v6_expand_StyleSheet() {
$this->read_template('hp6.cs_', 'css');
$this->css = hotpot_convert_stylesheets_urls($this->parent->get_baseurl(), $this->parent->reference, $this->css);
return $this->css;
}
// stylesheet (hp6.cs_)
function v6_expand_PageBGColor() {
return $this->parent->xml_value('hotpot-config-file,global,page-bg-color');
}
function v6_expand_GraphicURL() {
return $this->parent->xml_value('hotpot-config-file,global,graphic-url');
}
function v6_expand_ExBGColor() {
return $this->parent->xml_value('hotpot-config-file,global,ex-bg-color');
}
function v6_expand_FontFace() {
return $this->parent->xml_value('hotpot-config-file,global,font-face');
}
function v6_expand_FontSize() {
$value = $this->parent->xml_value('hotpot-config-file,global,font-size');
return (empty($value) ? 'small' : $value);
}
function v6_expand_TextColor() {
return $this->parent->xml_value('hotpot-config-file,global,text-color');
}
function v6_expand_TitleColor() {
return $this->parent->xml_value('hotpot-config-file,global,title-color');
}
function v6_expand_LinkColor() {
return $this->parent->xml_value('hotpot-config-file,global,link-color');
}
function v6_expand_VLinkColor() {
return $this->parent->xml_value('hotpot-config-file,global,vlink-color');
}
function v6_expand_NavTextColor() {
return $this->parent->xml_value('hotpot-config-file,global,page-bg-color');
}
function v6_expand_NavBarColor() {
return $this->parent->xml_value('hotpot-config-file,global,nav-bar-color');
}
function v6_expand_NavLightColor() {
$color = $this->parent->xml_value('hotpot-config-file,global,nav-bar-color');
return $this->get_halfway_color($color, '#ffffff');
}
function v6_expand_NavShadeColor() {
$color = $this->parent->xml_value('hotpot-config-file,global,nav-bar-color');
return $this->get_halfway_color($color, '#000000');
}
function v6_expand_FuncLightColor() { // top-left of buttons
$color = $this->parent->xml_value('hotpot-config-file,global,ex-bg-color');
return $this->get_halfway_color($color, '#ffffff');
}
function v6_expand_FuncShadeColor() { // bottom right of buttons
$color = $this->parent->xml_value('hotpot-config-file,global,ex-bg-color');
return $this->get_halfway_color($color, '#000000');
}
// navigation buttons
function v6_expand_NavButtons() {
$back = $this->v6_expand_Back();
$next_ex = $this->v6_expand_NextEx();
$contents = $this->v6_expand_Contents();
return (empty($back) && empty($next_ex) && empty($contents) ? false : true);
}
function v6_expand_NavBarJS() {
return $this->v6_expand_NavButtons();
}
// switch off scorm
function v6_expand_Scorm12() {
return false;
}
// js files (all quiz types)
function v6_expand_JSBrowserCheck() {
return $this->read_template('hp6browsercheck.js_');
}
function v6_expand_JSButtons() {
return $this->read_template('hp6buttons.js_');
}
function v6_expand_JSCard() {
return $this->read_template('hp6card.js_');
}
function v6_expand_JSCheckShortAnswer() {
return $this->read_template('hp6checkshortanswer.js_');
}
function v6_expand_JSHotPotNet() {
return $this->read_template('hp6hotpotnet.js_');
}
function v6_expand_JSShowMessage() {
return $this->read_template('hp6showmessage.js_');
}
function v6_expand_JSUtilities() {
return $this->read_template('hp6utilities.js_');
}
// js files
function v6_expand_JSJCloze6() {
return $this->read_template('jcloze6.js_');
}
function v6_expand_JSJCross6() {
return $this->read_template('jcross6.js_');
}
function v6_expand_JSJMatch6() {
return $this->read_template('jmatch6.js_');
}
function v6_expand_JSJMix6() {
return $this->read_template('jmix6.js_');
}
function v6_expand_JSJQuiz6() {
return $this->read_template('jquiz6.js_');
}
// drag and drop
function v6_expand_JSDJMatch6() {
return $this->read_template('djmatch6.js_');
}
function v6_expand_JSDJMix6() {
return $this->read_template('djmix6.js_');
}
// what are these for?
function v6_expand_JSFJMatch6() {
return $this->read_template('fjmatch6.js_');
}
function v6_expand_JSFJMix6() {
return $this->read_template('fjmix6.js_');
}
// jmatch6.js_
function v6_expand_ShuffleQs() {
return $this->bool_value('hotpot-config-file,'.$this->parent->quiztype.',shuffle-questions');
}
function v6_expand_QsToShow() {
$i = $this->parent->xml_value('hotpot-config-file,'.$this->parent->quiztype.',show-limited-questions');
if ($i) {
$i = $this->parent->xml_value('hotpot-config-file,'.$this->parent->quiztype.',questions-to-show');
}
if (empty($i)) {
$i = 0;
switch ($this->parent->quiztype) {
case 'jmatch':
$values = $this->parent->xml_values('data,matching-exercise,pair');
$i = count($values);
break;
case 'jquiz':
$tags = 'data,questions,question-record';
while (($question="[$i]['#']") && $this->parent->xml_value($tags, $question)) {
$i++;
}
break;
} // end switch
}
return $i;
}
function v6_expand_MatchDivItems() {
$l_items = array();
$r_items = array();
$this->get_jmatch_items($l_items, $r_items);
$l_keys = $this->shuffle_jmatch_items($l_items);
$r_keys = $this->shuffle_jmatch_items($r_items);
$options = '<option value="x">'.$this->parent->xml_value('data,matching-exercise,default-right-item').'</option>';
foreach ($r_keys as $key) {
if (empty($r_items[$key]['fixed'][0]['#'])) {
$options .= '<option value="'.$key.'">'.$r_items[$key]['text'][0]['#'].'</option>'."\n";
}
}
$str = '';
foreach ($l_keys as $key) {
$str .= '<tr><td class="LeftItem">'.$l_items[$key]['text'][0]['#'].'</td>';
$str .= '<td class="RightItem">';
if (empty($r_items[$key]['fixed'][0]['#'])) {
$str .= '<select id="s'.$key.'_'.$key.'">'.$options.'</select>';
} else {
$str .= $r_items[$key]['text'][0]['#'];
}
$str .= '</td><td></td></tr>';
}
return $str;
}
// jmix6.js_
function v6_expand_Punctuation() {
$tags = 'data,jumbled-order-exercise';
$chars = array_merge(
$this->jmix_Punctuation("$tags,main-order,segment"),
$this->jmix_Punctuation("$tags,alternate")
);
$chars = array_unique($chars);
$chars = implode('', $chars);
$chars = $this->js_safe($chars, true);
return $chars;
}
function jmix_Punctuation($tags) {
$chars = array();
// all punctutation except '&#;' (because they are used in html entities)
$ENTITIES = $this->jmix_encode_punctuation('!"$%'."'".'()*+,-./:<=>?@[\]^_`{|}~');
$pattern = "/&#x([0-9A-F]+);/i";
$i = 0;
// get next segment (or alternate answer)
while ($value = $this->parent->xml_value($tags, "[$i]['#']")) {
// convert low-ascii punctuation to entities
$value = strtr($value, $ENTITIES);
// extract all hex HTML entities
if (preg_match_all($pattern, $value, $matches)) {
// loop through hex entities
$m_max = count($matches[0]);
for ($m=0; $m<$m_max; $m++) {
// convert to hex number
eval('$hex=0x'.$matches[1][$m].';');
// is this a punctuation character?
if (
($hex>=0x0020 && $hex<=0x00BF) || // ascii punctuation
($hex>=0x2000 && $hex<=0x206F) || // general punctuation
($hex>=0x3000 && $hex<=0x303F) || // CJK punctuation
($hex>=0xFE30 && $hex<=0xFE4F) || // CJK compatability
($hex>=0xFE50 && $hex<=0xFE6F) || // small form variants
($hex>=0xFF00 && $hex<=0xFF40) || // halfwidth and fullwidth forms (1)
($hex>=0xFF5B && $hex<=0xFF65) || // halfwidth and fullwidth forms (2)
($hex>=0xFFE0 && $hex<=0xFFEE) // halfwidth and fullwidth forms (3)
) {
// add this character
$chars[] = $matches[0][$m];
}
}
}
$i++;
}
return $chars;
}
function v6_expand_OpenPunctuation() {
$tags = 'data,jumbled-order-exercise';
$chars = array_merge(
$this->jmix_OpenPunctuation("$tags,main-order,segment"),
$this->jmix_OpenPunctuation("$tags,alternate")
);
$chars = array_unique($chars);
$chars = implode('', $chars);
$chars = $this->js_safe($chars, true);
return $chars;
}
function jmix_OpenPunctuation($tags) {
$chars = array();
// unicode punctuation designations (pi="initial quote", ps="open")
// http://www.sql-und-xml.de/unicode-database/pi.html
// http://www.sql-und-xml.de/unicode-database/ps.html
$pi = '0022|0027|00AB|2018|201B|201C|201F|2039';
$ps = '0028|005B|007B|0F3A|0F3C|169B|201A|201E|2045|207D|208D|2329|23B4|2768|276A|276C|276E|2770|2772|2774|27E6|27E8|27EA|2983|2985|2987|2989|298B|298D|298F|2991|2993|2995|2997|29D8|29DA|29FC|3008|300A|300C|300E|3010|3014|3016|3018|301A|301D|FD3E|FE35|FE37|FE39|FE3B|FE3D|FE3F|FE41|FE43|FE47|FE59|FE5B|FE5D|FF08|FF3B|FF5B|FF5F|FF62';
$pattern = "/(&#x($pi|$ps);)/i";
$ENTITIES = $this->jmix_encode_punctuation('"'."'".'(<[{');
$i = 0;
while ($value = $this->parent->xml_value($tags, "[$i]['#']")) {
$value = strtr($value, $ENTITIES);
if (preg_match_all($pattern, $value, $matches)) {
$chars = array_merge($chars, $matches[0]);
}
$i++;
}
return $chars;
}
function jmix_encode_punctuation($str) {
$ENTITIES = array();
$i_max = strlen($str);
for ($i=0; $i<$i_max; $i++) {
$ENTITIES[$str{$i}] = '&#x'.sprintf('%04X', ord($str{$i})).';';
}
return $ENTITIES;
}
function v6_expand_ExerciseTitle() {
return $this->parent->xml_value('data,title');
}
// Jmix specials
function v6_expand_SegmentArray() {
$segments = array();
$values = array();
$VALUES = array();
// XML tags to the start of a segment
$tags = 'data,jumbled-order-exercise,main-order,segment';
$i = 0;
while ($value = $this->parent->xml_value($tags, "[$i]['#']")) {
$VALUE = strtoupper($value);
$key = array_search($VALUE, $VALUES);
if (is_numeric($key)) {
$segments[] = $key;
} else {
$segments[] = $i;
$values[$i] = $value;
$VALUES[$i] = $VALUE;
}
$i++;
}
$this->seed_random_number_generator();
$keys = array_keys($segments);
shuffle($keys);
$str = '';
for($i=0; $i<count($keys); $i++) {
$key = $segments[$keys[$i]];
$str .= "Segments[$i] = new Array();\n";
$str .= "Segments[$i][0] = '".$this->js_safe($values[$key], true)."';\n";
$str .= "Segments[$i][1] = ".($key+1).";\n";
$str .= "Segments[$i][2] = 0;\n";
}
return $str;
}
function v6_expand_AnswerArray() {
$segments = array();
$values = array();
$VALUES = array();
$escapedvalues = array();
// XML tags to the start of a segment
$tags = 'data,jumbled-order-exercise,main-order,segment';
$i = 0;
while ($value = $this->parent->xml_value($tags, "[$i]['#']")) {
$VALUE = strtoupper($value);
$key = array_search($VALUE, $VALUES);
if (is_numeric($key)) {
$segments[] = $key+1;
} else {
$segments[] = $i+1;
$values[$i] = $value;
$VALUES[$i] = $VALUE;
$escapedvalues[] = preg_quote($value, '/');
}
$i++;
}
// start the answers array
$a = 0;
$str = 'Answers['.($a++).'] = new Array('.implode(',', $segments).");\n";
// pattern to match the next part of an alternate answer
$pattern = '/^('.implode('|', $escapedvalues).')\\s*/i';
// XML tags to the start of an alternate answer
$tags = 'data,jumbled-order-exercise,alternate';
$i = 0;
while ($value = $this->parent->xml_value($tags, "[$i]['#']")) {
$segments = array();
while (strlen($value) && preg_match($pattern, $value, $matches)) {
$key = array_search($matches[1], $values);
if (is_numeric($key)) {
$segments[] = $key+1;
$value = substr($value, strlen($matches[0]));
} else {
// invalid alternate sequence
$segments = array();
break;
}
}
if (count($segments)) {
$str .= 'Answers['.($a++).'] = new Array('.implode(',', $segments).");\n";
}
$i++;
}
return $str;
}
// ===============================================================
// JMix (jmix6.js_)
function v6_expand_RemainingWords() {
return $this->parent->xml_value('hotpot-config-file,'.$this->parent->quiztype.',remaining-words');
}
function v6_expand_TimesUp() {
return $this->parent->xml_value('hotpot-config-file,global,times-up');
}
// nav bar
function v6_expand_NavBar($navbarid='') {
$this->navbarid = $navbarid;
$tag = 'navbar';
$this->read_template('hp6navbar.ht_', $tag);
unset($this->navbarid);
return $this->$tag;
}
function v6_expand_TopNavBar() {
return $this->v6_expand_NavBar('TopNavBar');
}
function v6_expand_BottomNavBar() {
return $this->v6_expand_NavBar('BottomNavBar');
}
// hp6navbar.ht_
function v6_expand_NavBarID() {
// $this->navbarid is set in "$this->v6_expand_NavBar"
return empty($this->navbarid) ? '' : $this->navbarid;
}
function v6_expand_ContentsURL() {
$url = $this->parent->xml_value('hotpot-config-file,global,contents-url');
if ($url) {
$url = hotpot_convert_navbutton_url($this->parent->get_baseurl(), $this->parent->reference, $url, $this->parent->course);
}
return $url;
}
function v6_expand_NextExURL() {
$url = $this->parent->xml_value('hotpot-config-file,'.$this->parent->quiztype.',next-ex-url');
if ($url) {
$url = hotpot_convert_navbutton_url($this->parent->get_baseurl(), $this->parent->reference, $url, $this->parent->course);
}
return $url;
}
// conditional blocks
function v6_expand_ShowAnswer() {
return $this->int_value('hotpot-config-file,'.$this->parent->quiztype.',include-show-answer');
}
function v6_expand_Slide() {
return true; // whats's this (JMatch drag and drop)
}
// specials (JMatch)
function v6_expand_FixedArray() {
$l_items = array();
$r_items = array();
$this->get_jmatch_items($l_items, $r_items);
$str = '';
foreach ($l_items as $i=>$item) {
$str .= "F[$i] = new Array();\n";
$str .= "F[$i][0] = '".$this->js_safe($item['text'][0]['#'], true)."';\n";
$str .= "F[$i][1] = ".($i+1).";\n";
}
return $str;
}
function v6_expand_DragArray() {
$l_items = array();
$r_items = array();
$this->get_jmatch_items($l_items, $r_items);
$str = '';
foreach ($r_items as $i=>$item) {
$str .= "D[$i] = new Array();\n";
$str .= "D[$i][0] = '".$this->js_safe($item['text'][0]['#'], true)."';\n";
$str .= "D[$i][1] = ".($i+1).";\n";
$str .= "D[$i][2] = '".(empty($item['fixed'][0]['#']) ? 0 : 1)."';\n";
}
return $str;
}
function get_jmatch_items(&$l_items, &$r_items) {
$tags = 'data,matching-exercise,pair';
$i = 0;
while($item = $this->parent->xml_value($tags,"[$i]['#']['left-item'][0]['#']")) {
if (!empty($item['text'][0]['#'])) {
$l_items[] = $item;
}
$i++;
}
$i = 0;
while($item = $this->parent->xml_value($tags,"[$i]['#']['right-item'][0]['#']")) {
if (!empty($item['text'][0]['#'])) {
$r_items[] = $item;
}
$i++;
}
}
function shuffle_jmatch_items(&$items) {
// get moveable items
$moveable_keys = array();
for($i=0; $i<count($items); $i++) {
if(empty($items[$i]['fixed'][0]['#'])) {
$moveable_keys[] = $i;
}
}
// shuffle moveable items
$this->seed_random_number_generator();
shuffle($moveable_keys);
$keys = array();
for($i=0, $ii=0; $i<count($items); $i++) {
if(empty($items[$i]['fixed'][0]['#'])) {
// moveable items are inserted in a shuffled order
$keys[] = $moveable_keys[$ii++];
} else {
// fixed items stay where they are
$keys[] = $i;
}
}
return $keys;
}
function seed_random_number_generator() {
static $seeded_RNG = FALSE;
if (!$seeded_RNG) {
srand((double) microtime() * 1000000);
$seeded_RNG = TRUE;
}
}
// specials (JMix)
// specials (JCloze)
function v6_expand_ItemArray() {
$q = 0;
$str = '';
switch ($this->parent->quiztype) {
case 'jcloze':
$tags = 'data,gap-fill,question-record';
while (($question="[$q]['#']") && $this->parent->xml_value($tags, $question)) {
$a = 0;
$aa = 0;
while (($answer=$question."['answer'][$a]['#']") && $this->parent->xml_value($tags, $answer)) {
$text = $this->js_value($tags, $answer."['text'][0]['#']", true);
if (strlen($text)) {
if ($aa==0) { // first time only
$str .= "\n";
$str .= "I[$q] = new Array();\n";
$str .= "I[$q][1] = new Array();\n";
}
$str .= "I[$q][1][$aa] = new Array();\n";
$str .= "I[$q][1][$aa][0] = '$text';\n";
$aa++;
}
$a++;
}
// add clue, if any answers were found
if ($aa) {
$clue = $this->js_value($tags, $question."['clue'][0]['#']", true);
$str .= "I[$q][2] = '$clue';\n";
}
$q++;
}
break;
case 'jquiz':
$str .= "I=new Array();\n";
$tags = 'data,questions,question-record';
while (($question="[$q]['#']") && $this->parent->xml_value($tags, $question)) {
$question_type = $this->int_value($tags, $question."['question-type'][0]['#']");
$weighting = $this->int_value($tags, $question."['weighting'][0]['#']");
$clue = $this->js_value($tags, $question."['clue'][0]['#']", true);
$answers = $question."['answers'][0]['#']";
$a = 0;
$aa = 0;
while (($answer = $answers."['answer'][$a]['#']") && $this->parent->xml_value($tags, $answer)) {
$text = $this->js_value($tags, $answer."['text'][0]['#']", true);
$feedback = $this->js_value($tags, $answer."['feedback'][0]['#']", true);
$correct = $this->int_value($tags, $answer."['correct'][0]['#']");
$percent = $this->int_value($tags, $answer."['percent-correct'][0]['#']");
$include = $this->int_value($tags, $answer."['include-in-mc-options'][0]['#']");
if (strlen($text)) {
if ($aa==0) { // first time only
$str .= "\n";
$str .= "I[$q] = new Array();\n";
$str .= "I[$q][0] = $weighting;\n";
$str .= "I[$q][1] = '$clue';\n";
$str .= "I[$q][2] = '".($question_type-1)."';\n";
$str .= "I[$q][3] = new Array();\n";
}
$str .= "I[$q][3][$aa] = new Array('$text','$feedback',$correct,$percent,$include);\n";
$aa++;
}
$a++;
}
$q++;
}
break;
}
return $str;
}
function v6_expand_ClozeBody() {
$str = '';
// get drop down list of words, if required
$dropdownlist = '';
if ($this->v6_use_DropDownList()) {
$this->v6_set_WordList();
foreach ($this->wordlist as $word) {
$dropdownlist .= '<option value="'.$word.'">'.$word.'</option>';
}
}
// cache clues flag and caption
$includeclues = $this->v6_expand_Clues();
$cluecaption = $this->v6_expand_ClueCaption();
// detect if cloze starts with gap
$strpos = strpos($this->parent->source, '<gap-fill><question-record>');
if (is_numeric($strpos)) {
$startwithgap = true;
} else {
$startwithgap = false;
}
// initialize loop values
$q = 0;
$tags = 'data,gap-fill';
$question_record = "$tags,question-record";
// loop through text and gaps
do {
$text = $this->parent->xml_value($tags, "[0]['#'][$q]");
$gap = '';
if (($question="[$q]['#']") && $this->parent->xml_value($question_record, $question)) {
$gap .= '<span class="GapSpan" id="GapSpan'.$q.'">';
if ($this->v6_use_DropDownList()) {
$gap .= '<select id="Gap'.$q.'"><option value=""></option>'.$dropdownlist.'</select>';
} else {
// minimum gap size
$gapsize = 6;
// increase gap size to length of longest answer for this gap
$a = 0;
while (($answer=$question."['answer'][$a]['#']") && $this->parent->xml_value($question_record, $answer)) {
$answertext = $this->parent->xml_value($question_record, $answer."['text'][0]['#']");
$answertext = preg_replace('|&[#a-zA-Z0-9]+;|', 'x', $answertext);
$gapsize = max($gapsize, strlen($answertext));
$a++;
}
$gap .= '<input type="text" id="Gap'.$q.'" onfocus="TrackFocus('.$q.')" onblur="LeaveGap()" class="GapBox" size="'.$gapsize.'"></input>';
}
if ($includeclues) {
$clue = $this->parent->xml_value($question_record, $question."['clue'][0]['#']");
if (strlen($clue)) {
$gap .= '<button style="line-height: 1.0" class="FuncButton" onfocus="FuncBtnOver(this)" onmouseover="FuncBtnOver(this)" onblur="FuncBtnOut(this)" onmouseout="FuncBtnOut(this)" onmousedown="FuncBtnDown(this)" onmouseup="FuncBtnOut(this)" onclick="ShowClue('.$q.')">'.$cluecaption.'</button>';
}
}
$gap .= '</span>';
}
if ($startwithgap) {
$str .= "$gap$text";
} else {
$str .= "$text$gap";
}
$q++;
} while (strlen($text) || strlen($gap));
return $str;
}
// JCloze quiztype
function v6_expand_WordList() {
$str = '';
if ($this->v6_include_WordList()) {
$this->v6_set_WordList();
$str = implode('    ', $this->wordlist);
}
return $str;
}
function v6_include_WordList() {
return $this->int_value('hotpot-config-file,'.$this->parent->quiztype.',include-word-list');
}
function v6_use_DropDownList() {
return $this->int_value('hotpot-config-file,'.$this->parent->quiztype.',use-drop-down-list');
}
function v6_set_WordList() {
if (isset($this->wordlist)) {
// do nothing
} else {
$this->wordlist = array();
// is the wordlist required
if ($this->v6_include_WordList() || $this->v6_use_DropDownList()) {
$q = 0;
$tags = 'data,gap-fill,question-record';
while (($question="[$q]['#']") && $this->parent->xml_value($tags, $question)) {
$a = 0;
$aa = 0;
while (($answer=$question."['answer'][$a]['#']") && $this->parent->xml_value($tags, $answer)) {
$text = $this->parent->xml_value($tags, $answer."['text'][0]['#']");
$correct = $this->int_value($tags, $answer."['correct'][0]['#']");
if ($text && $correct) { // $correct is always true
$this->wordlist[] = $text;
$aa++;
}
$a++;
}
$q++;
}
$this->wordlist = array_unique($this->wordlist);
sort($this->wordlist);
}
}
}
function v6_expand_Keypad() {
$str = '';
if ($this->int_value('hotpot-config-file,'.$this->parent->quiztype.',include-keypad')) {
// these characters must always be in the keypad
$chars = array();
$this->add_keypad_chars($chars, $this->parent->xml_value('hotpot-config-file,global,keypad-characters'));
// append other characters used in the answers
$tags = '';
switch ($this->parent->quiztype) {
case 'jcloze':
$tags = 'data,gap-fill,question-record';
break;
case 'jquiz':
$tags = 'data,questions,question-record';
break;
}
if ($tags) {