mirrored from git://git.moodle.org/moodle.git
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lib.php
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lib.php
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<?PHP // $Id$
//////////////////////////////////
/// CONFIGURATION settings
if (!isset($CFG->hotpot_showtimes)) {
set_config("hotpot_showtimes", 0);
}
if (!isset($CFG->hotpot_excelencodings)) {
set_config("hotpot_excelencodings", "");
}
//////////////////////////////////
/// CONSTANTS and GLOBAL VARIABLES
$CFG->hotpotroot = "$CFG->dirroot/mod/hotpot";
$CFG->hotpottemplate = "$CFG->hotpotroot/template";
define("HOTPOT_JS", "$CFG->wwwroot/mod/hotpot/hotpot-full.js");
define("HOTPOT_NO", "0");
define("HOTPOT_YES", "1");
define ("HOTPOT_TEXTSOURCE_QUIZ", "0");
define ("HOTPOT_TEXTSOURCE_FILENAME", "1");
define ("HOTPOT_TEXTSOURCE_FILEPATH", "2");
define ("HOTPOT_TEXTSOURCE_SPECIFIC", "3");
define("HOTPOT_LOCATION_COURSEFILES", "0");
define("HOTPOT_LOCATION_SITEFILES", "1");
$HOTPOT_LOCATION = array (
HOTPOT_LOCATION_COURSEFILES => get_string("coursefiles"),
HOTPOT_LOCATION_SITEFILES => get_string("sitefiles"),
);
define("HOTPOT_OUTPUTFORMAT_BEST", "1");
define("HOTPOT_OUTPUTFORMAT_V3", "10");
define("HOTPOT_OUTPUTFORMAT_V4", "11");
define("HOTPOT_OUTPUTFORMAT_V5", "12");
define("HOTPOT_OUTPUTFORMAT_V5_PLUS", "13");
define("HOTPOT_OUTPUTFORMAT_V6", "14");
define("HOTPOT_OUTPUTFORMAT_V6_PLUS", "15");
define("HOTPOT_OUTPUTFORMAT_FLASH", "20");
define("HOTPOT_OUTPUTFORMAT_MOBILE", "30");
$HOTPOT_OUTPUTFORMAT = array (
HOTPOT_OUTPUTFORMAT_BEST => get_string("outputformat_best", "hotpot"),
HOTPOT_OUTPUTFORMAT_V6_PLUS => get_string("outputformat_v6_plus", "hotpot"),
HOTPOT_OUTPUTFORMAT_V6 => get_string("outputformat_v6", "hotpot"),
HOTPOT_OUTPUTFORMAT_V5_PLUS => get_string("outputformat_v5_plus", "hotpot"),
HOTPOT_OUTPUTFORMAT_V5 => get_string("outputformat_v5", "hotpot"),
HOTPOT_OUTPUTFORMAT_V4 => get_string("outputformat_v4", "hotpot"),
HOTPOT_OUTPUTFORMAT_V3 => get_string("outputformat_v3", "hotpot"),
// HOTPOT_OUTPUTFORMAT_FLASH => get_string("outputformat_flash", "hotpot"),
// HOTPOT_OUTPUTFORMAT_MOBILE => get_string("outputformat_mobile", "hotpot"),
);
$HOTPOT_OUTPUTFORMAT_DIR = array (
HOTPOT_OUTPUTFORMAT_V6_PLUS => 'v6',
HOTPOT_OUTPUTFORMAT_V6 => 'v6',
// HOTPOT_OUTPUTFORMAT_V5 => 'v5',
// HOTPOT_OUTPUTFORMAT_V4 => 'v4',
// HOTPOT_OUTPUTFORMAT_V3 => 'v3',
// HOTPOT_OUTPUTFORMAT_FLASH => 'flash',
// HOTPOT_OUTPUTFORMAT_MOBILE => 'mobile',
);
define("HOTPOT_NAVIGATION_BAR", "1");
define("HOTPOT_NAVIGATION_FRAME", "2");
define("HOTPOT_NAVIGATION_IFRAME", "3");
define("HOTPOT_NAVIGATION_BUTTONS", "4");
define("HOTPOT_NAVIGATION_GIVEUP", "5");
define("HOTPOT_NAVIGATION_NONE", "6");
$HOTPOT_NAVIGATION = array (
HOTPOT_NAVIGATION_BAR => get_string("navigation_bar", "hotpot"),
HOTPOT_NAVIGATION_FRAME => get_string("navigation_frame", "hotpot"),
HOTPOT_NAVIGATION_IFRAME => get_string("navigation_iframe", "hotpot"),
HOTPOT_NAVIGATION_BUTTONS => get_string("navigation_buttons", "hotpot"),
HOTPOT_NAVIGATION_GIVEUP => get_string("navigation_give_up", "hotpot"),
HOTPOT_NAVIGATION_NONE => get_string("navigation_none", "hotpot"),
);
define("HOTPOT_JCB", "1");
define("HOTPOT_JCLOZE", "2");
define("HOTPOT_JCROSS", "3");
define("HOTPOT_JMATCH", "4");
define("HOTPOT_JMIX", "5");
define("HOTPOT_JQUIZ", "6");
define("HOTPOT_TEXTOYS_RHUBARB", "7");
define("HOTPOT_TEXTOYS_SEQUITUR", "8");
define("HOTPOT_JQUIZ_MULTICHOICE", "1");
define("HOTPOT_JQUIZ_SHORTANSWER", "2");
define("HOTPOT_JQUIZ_HYBRID", "3");
define("HOTPOT_JQUIZ_MULTISELECT", "4");
define("HOTPOT_GRADEMETHOD_HIGHEST", "1");
define("HOTPOT_GRADEMETHOD_AVERAGE", "2");
define("HOTPOT_GRADEMETHOD_FIRST", "3");
define("HOTPOT_GRADEMETHOD_LAST", "4");
$HOTPOT_GRADEMETHOD = array (
HOTPOT_GRADEMETHOD_HIGHEST => get_string("gradehighest", "quiz"),
HOTPOT_GRADEMETHOD_AVERAGE => get_string("gradeaverage", "quiz"),
HOTPOT_GRADEMETHOD_FIRST => get_string("attemptfirst", "quiz"),
HOTPOT_GRADEMETHOD_LAST => get_string("attemptlast", "quiz"),
);
define("HOTPOT_STATUS_INPROGRESS", "1");
define("HOTPOT_STATUS_TIMEDOUT", "2");
define("HOTPOT_STATUS_ABANDONED", "3");
define("HOTPOT_STATUS_COMPLETED", "4");
$HOTPOT_STATUS = array (
HOTPOT_STATUS_INPROGRESS => get_string("inprogress", "hotpot"),
HOTPOT_STATUS_TIMEDOUT => get_string("timedout", "hotpot"),
HOTPOT_STATUS_ABANDONED => get_string("abandoned", "hotpot"),
HOTPOT_STATUS_COMPLETED => get_string("completed", "hotpot"),
);
define("HOTPOT_FEEDBACK_NONE", "0");
define("HOTPOT_FEEDBACK_WEBPAGE", "1");
define("HOTPOT_FEEDBACK_FORMMAIL", "2");
define("HOTPOT_FEEDBACK_MOODLEFORUM", "3");
define("HOTPOT_FEEDBACK_MOODLEMESSAGING", "4");
$HOTPOT_FEEDBACK = array (
HOTPOT_FEEDBACK_NONE => get_string("feedbacknone", "hotpot"),
HOTPOT_FEEDBACK_WEBPAGE => get_string("feedbackwebpage", "hotpot"),
HOTPOT_FEEDBACK_FORMMAIL => get_string("feedbackformmail", "hotpot"),
HOTPOT_FEEDBACK_MOODLEFORUM => get_string("feedbackmoodleforum", "hotpot"),
);
if (!empty($CFG->messaging)) { // Moodle 1.5+
$HOTPOT_FEEDBACK[HOTPOT_FEEDBACK_MOODLEMESSAGING] = get_string("feedbackmoodlemessaging", "hotpot");
}
define("HOTPOT_DISPLAYNEXT_QUIZ", "0");
define("HOTPOT_DISPLAYNEXT_COURSE", "1");
define("HOTPOT_DISPLAYNEXT_INDEX", "2");
//////////////////////////////////
/// CORE FUNCTIONS
// possible return values:
// false:
// display moderr.html (if exists) OR "Could not update" and return to couse view
// string:
// display as error message and return to course view
// true (or non-zero number):
// continue to $hp->redirect (if set) OR hotpot/view.php (to displsay quiz)
function hotpot_add_instance(&$hp) {
/// Given an object containing all the necessary data,
/// (defined by the form in mod.html) this function
/// will create a new instance and return the id number
/// of the new instance.
if (hotpot_set_form_values($hp)) {
$result = insert_record("hotpot", $hp);
} else {
$result= false;
}
return $result;
}
function hotpot_update_instance(&$hp) {
/// Given an object containing all the necessary data,
/// (defined by the form in mod.html) this function
/// will update an existing instance with new data.
if (hotpot_set_form_values($hp)) {
$hp->id = $hp->instance;
$result = update_record("hotpot", $hp);
} else {
$result= false;
}
return $result;
}
function hotpot_set_form_values(&$hp) {
$ok = true;
$hp->errors = array(); // these will be reported by moderr.html
if (empty($hp->reference)) {
$ok = false;
$hp->errors['reference']= get_string('error_nofilename', 'hotpot');
}
if ($hp->studentfeedbackurl=='http://') {
$hp->studentfeedbackurl = '';
}
if (empty($hp->studentfeedbackurl)) {
switch ($hp->studentfeedback) {
case HOTPOT_FEEDBACK_WEBPAGE:
$ok = false;
$hp->errors['studentfeedbackurl']= get_string('error_nofeedbackurlwebpage', 'hotpot');
break;
case HOTPOT_FEEDBACK_FORMMAIL:
$ok = false;
$hp->errors['studentfeedbackurl']= get_string('error_nofeedbackurlformmail', 'hotpot');
break;
}
}
$time = time();
$hp->timecreated = $time;
$hp->timemodified = $time;
if (empty($hp->enabletimeopen)) {
$hp->timeopen = 0;
} else {
$hp->timeopen = make_timestamp(
$hp->openyear, $hp->openmonth, $hp->openday,
$hp->openhour, $hp->openminute, 0
);
}
if (empty($hp->enabletimeclose)) {
$hp->timeclose = 0;
} else {
$hp->timeclose = make_timestamp(
$hp->closeyear, $hp->closemonth, $hp->closeday,
$hp->closehour, $hp->closeminute, 0
);
}
if ($hp->quizchain==HOTPOT_YES) {
switch ($hp->mode) {
case 'add':
$ok = hotpot_add_chain($hp);
break;
case 'update':
$ok = hotpot_update_chain($hp);
break;
}
} else {
$xml_quiz = NULL;
$textfields = array('name', 'summary');
foreach ($textfields as $textfield) {
$textsource = $textfield.'source';
if ($hp->$textsource==HOTPOT_TEXTSOURCE_QUIZ) {
if (empty($xml_quiz)) {
$xml_quiz = new hotpot_xml_quiz($hp, false, false, false, false, false);
hotpot_get_titles_and_next_ex($hp, $xml_quiz->filepath);
}
if ($textfield=='name') {
$hp->$textfield = $hp->exercisetitle;
} else if ($textfield=='summary') {
$hp->$textfield = $hp->exercisesubtitle;
}
}
switch ($hp->$textsource) {
case HOTPOT_TEXTSOURCE_FILENAME:
$hp->$textfield = basename($hp->reference);
break;
case HOTPOT_TEXTSOURCE_FILEPATH:
$hp->$textfield = '';
// continue to next lines
default:
if (empty($hp->$textfield)) {
$hp->$textfield = str_replace('/', ' ', $hp->reference);
}
} // end switch
} // end foreach
}
switch ($hp->displaynext) {
// N.B. redirection only works for Moodle 1.5+
case HOTPOT_DISPLAYNEXT_COURSE:
$hp->redirect = true;
$hp->redirecturl = "view.php?id=$hp->course";
break;
case HOTPOT_DISPLAYNEXT_INDEX:
$hp->redirect = true;
$hp->redirecturl = "../mod/hotpot/index.php?id=$hp->course";
break;
// otherwise go on to display quiz
}
// if ($ok && $hp->setdefaults) {
if ($ok) {
set_user_preference('hotpot_timeopen', $hp->timeopen);
set_user_preference('hotpot_timeclose', $hp->timeclose);
set_user_preference('hotpot_navigation', $hp->navigation);
set_user_preference('hotpot_outputformat', $hp->outputformat);
set_user_preference('hotpot_studentfeedback', $hp->studentfeedback);
set_user_preference('hotpot_studentfeedbackurl', $hp->studentfeedbackurl);
set_user_preference('hotpot_forceplugins', $hp->forceplugins);
set_user_preference('hotpot_shownextquiz', $hp->shownextquiz);
set_user_preference('hotpot_review', $hp->review);
set_user_preference('hotpot_grade', $hp->grade);
set_user_preference('hotpot_grademethod', $hp->grademethod);
set_user_preference('hotpot_attempts', $hp->attempts);
get_user_preference('hotpot_subnet', $hp->subnet);
set_user_preference('hotpot_displaynext', $hp->displaynext);
if ($hp->mode=='add') {
set_user_preference('hotpot_quizchain', $hp->quizchain);
set_user_preference('hotpot_namesource', $hp->namesource);
set_user_preference('hotpot_summarysource', $hp->summarysource);
}
}
return $ok;
}
function hotpot_get_chain(&$cm) {
// get details of course_modules in this section
$course_module_ids = get_field('course_sections', 'sequence', 'id', $cm->section);
if (empty($course_module_ids)) {
$hotpot_modules = array();
} else {
$hotpot_modules = get_records_select('course_modules', "id IN ($course_module_ids) AND module=$cm->module");
if (empty($hotpot_modules)) {
$hotpot_modules = array();
}
}
// get ids of hotpot modules in this section
$ids = array();
foreach ($hotpot_modules as $hotpot_module) {
$ids[] = $hotpot_module->instance;
}
// get details of hotpots in this section
if (empty($ids)) {
$hotpots = array();
} else {
$hotpots = get_records_list('hotpot', 'id', implode(',', $ids));
}
$found = false;
$chain = array();
// loop through course_modules in this section
$ids = explode(',', $course_module_ids);
foreach ($ids as $id) {
// check this course_module is a hotpot activity
if (isset($hotpot_modules[$id])) {
// store details of this course module and hotpot activity
$hotpot_id = $hotpot_modules[$id]->instance;
$chain[$id] = &$hotpot_modules[$id];
$chain[$id]->hotpot = &$hotpots[$hotpot_id];
// set $found, if this is the course module we're looking for
if ($id==$cm->coursemodule) {
$found = true;
}
// is this the end of a chain
if (empty($hotpots[$hotpot_id]->shownextquiz)) {
if ($found) {
break; // out of loop
} else {
// restart chain (target cm has not been found yet)
$chain = array();
}
}
}
} // end foreach $ids
return $found ? $chain : false;
}
function hotpot_is_visible(&$cm) {
$visible = HOTPOT_YES;
if (empty($cm->visible)) {
if ($chain = hotpot_get_chain($cm)) {
$visible = $chain[0]->visible;
}
}
return $visible;
}
function hotpot_add_chain(&$hp) {
/// add a chain of hotpot actiivities
global $CFG, $course;
$ok = true;
$hp->files = array();
$hp->titles = array();
$xml_quiz = new hotpot_xml_quiz($hp, false, false, false, false, false);
if (isset($xml_quiz->error)) {
$hp->errors['reference'] = $xml_quiz->error;
$ok = false;
} else if (is_dir($xml_quiz->filepath)) {
// get list of hotpot files in this folder
if ($dh = @opendir($xml_quiz->filepath)) {
while ($file = @readdir($dh)) {
if (preg_match('/\.(jbc|jcl|jcw|jmt|jmx|jqz|htm|html)$/', $file)) {
$hp->files[] = "$xml_quiz->reference/$file";
}
}
closedir($dh);
// get titles
foreach ($hp->files as $i=>$file) {
$filepath = $xml_quiz->fileroot.'/'.$xml_quiz->filesubdir.$file;
hotpot_get_titles_and_next_ex($hp, $filepath);
$hp->titles[$i] = $hp->exercisetitle;
}
} else {
$ok = false;
$hp->errors['reference'] = get_string('error_couldnotopenfolder', 'hotpot', $hp->reference);
}
} else if (is_file($xml_quiz->filepath)) {
$filerootlength = strlen($xml_quiz->fileroot) + 1;
while ($xml_quiz->filepath) {
hotpot_get_titles_and_next_ex($hp, $xml_quiz->filepath, true);
$hp->files[] = substr($xml_quiz->filepath, $filerootlength);
$hp->titles[] = $hp->exercisetitle;
if ($hp->nextexercise) {
$filepath = $xml_quiz->fileroot.'/'.$xml_quiz->filesubdir.$hp->nextexercise;
} else {
$filepath = '';
}
if ($filepath && file_exists($filepath) && is_file($filepath) && is_readable($filepath)) {
$xml_quiz->filepath = $filepath;
} else {
$xml_quiz->filepath = false; // finish while loop
}
} // end while
} else {
$ok = false;
$hp->errors['reference'] = get_string('error_notfileorfolder', 'hotpot', $hp->reference);
}
if (empty($hp->files) && empty($hp->errors['reference'])) {
$ok = false;
$hp->errors['reference'] = get_string('error_noquizzesfound', 'hotpot', $hp->reference);
}
if ($ok) {
$hp->visible = HOTPOT_YES;
$hp->shownextquiz = HOTPOT_YES;
if (trim($hp->name)=='') {
$hp->name = get_string("modulename", $hp->modulename);
}
$hp->basename = $hp->name;
// add all except last activity in chain
$i_max = count($hp->files)-1;
for ($i=0; $i<$i_max; $i++) {
$hp->name = addslashes($hp->titles[$i]);
$hp->reference = addslashes($hp->files[$i]);
if (!$hp->instance = insert_record("hotpot", $hp)) {
error("Could not add a new instance of $hp->modulename", "view.php?id=$hp->course");
}
// store (hotpot table) id of start of chain
if ($i==0) {
$hp->startofchain = $hp->instance;
}
if (isset($course->groupmode)) {
$hp->groupmode = $course->groupmode;
}
if (! $hp->coursemodule = add_course_module($hp)) {
error("Could not add a new course module");
}
if (! $sectionid = add_mod_to_section($hp) ) {
error("Could not add the new course module to that section");
}
if (! set_field("course_modules", "section", $sectionid, "id", $hp->coursemodule)) {
error("Could not update the course module with the correct section");
}
add_to_log($hp->course, "course", "add mod",
"../mod/$hp->modulename/view.php?id=$hp->coursemodule",
"$hp->modulename $hp->instance"
);
add_to_log($hp->course, $hp->modulename, "add",
"view.php?id=$hp->coursemodule",
"$hp->instance", $hp->coursemodule
);
// hide tail of chain
$hp->visible = HOTPOT_NO;
} // end for ($hp->files)
// settings for final activity in chain
$hp->name = addslashes($hp->titles[$i]);
$hp->reference = addslashes($hp->files[$i]);
$hp->shownextquiz = HOTPOT_NO;
if (isset($hp->startofchain)) {
// redirection only works for Moodle 1.5+
$hp->redirect = true;
$hp->redirecturl = "$CFG->wwwroot/mod/hotpot/view.php?hp=$hp->startofchain";
}
} // end if $ok
return $ok;
}
function hotpot_get_titles_and_next_ex(&$hp, $filepath, $get_next=false) {
$hp->exercisetitle = '';
$hp->exercisesubtitle = '';
$hp->nextexercise = '';
// open the quiz file
if ($fp = @fopen($filepath, 'r')) {
$source = fread($fp, filesize($filepath));
fclose($fp);
$xml_tree = new hotpot_xml_tree($source);
$xml_tree->filetype = '';
$keys = array_keys($xml_tree->xml);
foreach ($keys as $key) {
if ($key=='html' || $key=='HTML') {
$xml_tree->filetype = 'html';
$xml_tree->xml_root = "['$key']['#']";
break;
} else if (preg_match('/^(hotpot|textoys)-(\w+)-file$/i', $key, $matches)) {
$xml_tree->filetype = 'xml';
$xml_tree->xml_root = "['$key']['#']";
$xml_tree->quiztype = strtolower($matches[2]);
break;
}
}
$title = '';
if ($xml_tree->filetype=='html') {
$title = strip_tags($xml_tree->xml_value('head,title'));
} else if ($xml_tree->filetype=='xml') {
$title = strip_tags($xml_tree->xml_value('data,title'));
}
$hp->exercisetitle = (empty($title) || is_array($title)) ? basename($filepath) : $title;
$subtitle = '';
if ($xml_tree->filetype=='html') {
$tags = 'body,div';
$i = 0;
while (empty($subtitle) && ($div="[$i]") && $xml_tree->xml_value($tags, $div)) {
$class = $xml_tree->xml_value($tags, $div."['@']['class']");
if (isset($class) && $class=='Titles') {
$ii = 0;
while (empty($subtitle) && ($h3=$div."['#']['h3'][$ii]") && $xml_tree->xml_value($tags, $h3)) {
$class = $xml_tree->xml_value($tags, $h3."['@']['class']");
if (isset($class) && $class=='ExerciseSubtitle') {
$subtitle = $xml_tree->xml_value($tags, $h3."['#']");
}
$ii++; // increment H3 index
}
}
$i++; // increment DIV index
}
} else if ($xml_tree->filetype=='xml') {
$subtitle = $xml_tree->xml_value('hotpot-config-file,'.$xml_tree->quiztype.',exercise-subtitle');
}
$hp->exercisesubtitle = (empty($subtitle) || is_array($subtitle)) ? $hp->exercisetitle : $subtitle;
$next = '';
if ($get_next) {
if ($xml_tree->filetype=='html') {
$tags = 'body,div';
$i = 0;
while (($div="[$i]") && $xml_tree->xml_value($tags, $div)) {
$id = $xml_tree->xml_value($tags, $div."['@']['id']");
if (isset($id) && $id=='TopNavBar') {
$ii = 0;
while (($button=$div."['#']['button'][$ii]") && $xml_tree->xml_value($tags, $button)) {
$onclick = $xml_tree->xml_value($tags, $button."['@']['onclick']");
if (isset($onclick) && preg_match("|location='(.*)'|", $onclick, $matches)) {
$next = $matches[1];
}
$ii++; // increment BUTTON index
}
}
$i++; // increment DIV index
}
} else if ($xml_tree->filetype=='xml') {
$include = $xml_tree->xml_value('hotpot-config-file,global,include-next-ex');
if (!empty($include)) {
$next = $xml_tree->xml_value("hotpot-config-file,$xml_tree->quiztype,next-ex-url");
if (is_array($next)) {
// workaround for the 'next-ex-url' tag being repeated (as it sometimes seems to be)
$next = $next[0];
}
}
}
}
$hp->nextexercise = $next;
}
}
function hotpot_get_all_instances_in_course($modulename, $course) {
global $CFG;
$instances = array();
$hotpotmoduleid = get_field('modules', 'id', 'name', 'hotpot');
if ($modinfo = unserialize($course->modinfo)) {
if (isset($CFG->release) && substr($CFG->release, 0, 3)>=1.2) {
$groupmode = 'cm.groupmode,';
} else {
$groupmode = '';
}
$query = "
SELECT
cm.id AS coursemodule,
cm.visible AS visible,
$groupmode
cs.section,
m.*
FROM
{$CFG->prefix}course_modules AS cm,
{$CFG->prefix}course_sections AS cs,
{$CFG->prefix}modules AS md,
{$CFG->prefix}$modulename AS m
WHERE
cm.course = '$course->id' AND
cm.instance = m.id AND
cm.section = cs.id AND
md.name = '$modulename' AND
md.id = cm.module
";
if ($rawmods = get_records_sql($query)) {
// cache $isteacher setting
$isteacher = isteacher($course->id);
foreach ($modinfo as $mod) {
$visible = false;
if ($mod->mod == $modulename) {
if ($isteacher) {
$visible = true;
} else if ($mod->mod=='hotpot') {
$mod->coursemodule = $mod->cm;
$mod->module = $hotpotmoduleid;
$visible = hotpot_is_visible($mod);
} else {
$visible = $mod->visible;
}
}
if ($visible) {
$instance = $rawmods[$mod->cm];
if (!empty($mod->extra)) {
$instance->extra = $mod->extra;
}
$instances[] = $instance;
}
} // end foreach $modinfo
}
}
return $instances;
}
function hotpot_update_chain(&$hp) {
/// update a chain of hotpot actiivities
$ok = true;
if ($hotpot_modules = hotpot_get_chain($hp)) {
// skip updating of these fields
$skipfields = array('id', 'course', 'name', 'reference', 'summary', 'shownextquiz');
$fields = array();
foreach ($hotpot_modules as $hotpot_module) {
if ($hp->coursemodule==$hotpot_module->id) {
// don't need to update this hotpot
} else {
// shortcut to hotpot record
$hotpot = &$hotpot_module->hotpot;
// get a list of fields to update
if (empty($fields)) {
$fields = array_keys(get_object_vars($hotpot));
}
// assume update is NOT required
$require_update = false;
// update field values (except $skipfields)
foreach($fields as $field) {
if (in_array($field, $skipfields) || $hotpot->$field==$hp->$field) {
// update not required for this field
} else {
$require_update = true;
$hotpot->$field = $hp->$field;
}
}
// update this $hotpot (if required)
if ($require_update && !update_record("hotpot", $hotpot)) {
error("Could not update the $hp->modulename", "view.php?id=$hp->course");
}
}
} // end foreach $ids
}
return $ok;
}
function hotpot_delete_instance($id) {
/// Given an ID of an instance of this module,
/// this function will permanently delete the instance
/// and any data that depends on it.
$result = false;
if (delete_records("hotpot", "id", "$id")) {
$result = true;
delete_records("hotpot_questions", "hotpot", "$id");
if ($attempts = get_records_select("hotpot_attempts", "hotpot='$id'")) {
$ids = implode(',', array_keys($attempts));
delete_records_select("hotpot_attempts", "id IN ($ids)");
delete_records_select("hotpot_details", "attempt IN ($ids)");
delete_records_select("hotpot_responses", "attempt IN ($ids)");
}
}
return $result;
}
function hotpot_delete_and_notify($table, $select, $strtable) {
$count = max(0, count_records_select($table, $select));
if ($count) {
delete_records_select($table, $select);
$count -= max(0, count_records_select($table, $select));
if ($count) {
notify(get_string('deleted')." $count x $strtable");
}
}
}
function hotpot_user_complete($course, $user, $mod, $hp) {
/// Print a detailed representation of what a user has done with
/// a given particular instance of this module, for user activity reports.
$report = hotpot_user_outline($course, $user, $mod, $hp);
if (empty($report)) {
print get_string("noactivity", "hotpot");
} else {
$date = userdate($report->time, get_string('strftimerecentfull'));
print $report->info.' '.get_string('mostrecently').': '.$date;
}
return true;
}
function hotpot_user_outline($course, $user, $mod, $hp) {
/// Return a small object with summary information about what a
/// user has done with a given particular instance of this module
/// Used for user activity reports.
/// $report->time = the time they did it
/// $report->info = a short text description
$report = NULL;
if ($records = get_records_select("hotpot_attempts", "hotpot='$hp->id' AND userid='$user->id'", "timestart ASC", "*")) {
$scores = array();
foreach ($records as $record){
if (empty($report->time)) {
$report->time = $record->timestart;
}
$scores[] = hotpot_format_score($record);
}
if (empty($scores)) {
$report->time = 0;
$report->info = get_string('noactivity', 'hotpot');
} else {
$report->info = get_string('score', 'quiz').': '.implode(', ', $scores);
}
}
return $report;
}
function hotpot_format_score($record, $undefined=' ') {
if (isset($record->score)) {
$score = $record->score;
} else {
$score = $undefined;
}
return $score;
}
function hotpot_format_status($record, $undefined=' ') {
global $HOTPOT_STATUS;
if (isset($record->status) || isset($HOTPOT_STATUS[$record->status])) {
$status = $HOTPOT_STATUS[$record->status];
} else {
$status = $undefined;
}
return $status;
}
function hotpot_print_recent_activity($course, $isteacher, $timestart) {
/// Given a course and a time, this module should find recent activity
/// that has occurred in hotpot activities and print it out.
/// Return true if there was output, or false is there was none.
global $CFG;
$result = false;
if($isteacher){
$records = get_records_sql("
SELECT
h.id AS id,
h.name AS name,
COUNT(*) AS count_attempts
FROM
{$CFG->prefix}hotpot AS h,
{$CFG->prefix}hotpot_attempts AS a
WHERE
h.course = $course->id
AND h.id = a.hotpot
AND a.id = a.clickreportid
AND a.starttime > $timestart
GROUP BY
h.id, h.name
");
// note that PostGreSQL requires h.name in the GROUP BY clause
if($records) {
$names = array();
foreach ($records as $id => $record){
$href = "$CFG->wwwroot/mod/hotpot/view.php?hp=$id";
$name = ' <a href="'.$href.'">'.$record->name.'</a>';
if ($record->count_attempts > 1) {
$name .= " ($record->count_attempts)";
}
$names[] = $name;
}
print_headline(get_string('modulenameplural', 'hotpot').':');
if ($CFG->version >= 2005050500) { // Moodle 1.5+
echo '<div class="head"><div class="name">'.implode('<br />', $names).'</div></div>';
} else { // Moodle 1.4.x (or less)
echo '<font size="1">'.implode('<br />', $names).'</font>';
}
$result = true;
}
}
return $result; // True if anything was printed, otherwise false
}
function hotpot_get_recent_mod_activity(&$activities, &$index, $sincetime, $courseid, $cmid="", $userid="", $groupid="") {
// Returns all quizzes since a given time.
global $CFG;
// If $cmid or $userid are specified, then this restricts the results
$cm_select = empty($cmid) ? "" : " AND cm.id = '$cmid'";
$user_select = empty($userid) ? "" : " AND u.id = '$userid'";
$records = get_records_sql("
SELECT
a.*,
h.name, h.course,
cm.instance, cm.section,
u.firstname, u.lastname, u.picture
FROM
{$CFG->prefix}hotpot_attempts AS a,
{$CFG->prefix}hotpot AS h,
{$CFG->prefix}course_modules AS cm,
{$CFG->prefix}user AS u
WHERE
a.timefinish > '$sincetime'
AND a.id = a.clickreportid
AND a.userid = u.id $user_select
AND a.hotpot = h.id $cm_select
AND cm.instance = h.id
AND cm.course = '$courseid'
AND h.course = cm.course
ORDER BY
a.timefinish ASC
");
if (!empty($records)) {
foreach ($records as $record) {
if (empty($groupid) || ismember($groupid, $record->userid)) {
unset($activity);
$activity->type = "hotpot";
$activity->defaultindex = $index;
$activity->instance = $record->hotpot;
$activity->name = $record->name;
$activity->section = $record->section;
$activity->content->attemptid = $record->id;
$activity->content->attempt = $record->attempt;
$activity->content->score = $record->score;
$activity->content->timestart = $record->timestart;
$activity->content->timefinish = $record->timefinish;
$activity->user->userid = $record->userid;
$activity->user->fullname = fullname($record);
$activity->user->picture = $record->picture;
$activity->timestamp = $record->timefinish;
$activities[] = $activity;
$index++;
}
} // end foreach
}
}
function hotpot_print_recent_mod_activity($activity, $course, $detail=false) {
/// Basically, this function prints the results of "hotpot_get_recent_activity"
global $CFG, $THEME, $USER;
print '<table border="0" cellpadding="3" cellspacing="0">';
print '<tr><td bgcolor="'.$THEME->cellcontent2.'" class="forumpostpicture" width="35" valign="top">';
print_user_picture($activity->user->userid, $course, $activity->user->picture);
print '</td><td width="100%"><font size="2">';
if ($detail) {
// activity icon
$src = "$CFG->modpixpath/$activity->type/icon.gif";
print '<img src="'.$src.'" height="16" width="16" alt="'.$activity->type.'" /> ';
// link to activity
$href = "$CFG->wwwroot/mod/hotpot/view.php?hp=$activity->instance";
print '<a href="'.$href.'">'.$activity->name.'</a> - ';
}
if (isteacher($course)) {
// score (with link to attempt details)
$href = "$CFG->wwwroot/mod/hotpot/review.php?hp=$activity->instance&attempt=".$activity->content->attemptid;
print '<a href="'.$href.'">('.hotpot_format_score($activity->content).')</a> ';
// attempt number
print get_string('attempt', 'quiz').' - '.$activity->content->attempt.'<br />';
}
// link to user
$href = "$CFG->wwwroot/user/view.php?id=$activity->user->userid&course=$course";
print '<a href="'.$href.'">'.$activity->user->fullname.'</a> ';
// time and date
print ' - ' . userdate($activity->timestamp);
// duration
$duration = format_time($activity->content->timestart - $activity->content->timefinish);
print " ($duration)";
print "</font></td></tr>";
print "</table>";
}
function hotpot_cron () {
/// Function to be run periodically according to the moodle cron
/// This function searches for things that need to be done, such
/// as sending out mail, toggling flags etc ...
global $CFG;
return true;
}