-<?PHP // $Id$\r
-\r
-//////////////////////////////////\r
-/// CONFIGURATION settings\r
-\r
-if (!isset($CFG->hotpot_showtimes)) {\r
- set_config("hotpot_showtimes", 0);\r
-}\r
-if (!isset($CFG->hotpot_excelencodings)) {\r
- set_config("hotpot_excelencodings", "");\r
-}\r
-\r
-//////////////////////////////////\r
-/// CONSTANTS and GLOBAL VARIABLES\r
-\r
-$CFG->hotpotroot = "$CFG->dirroot/mod/hotpot";\r
-$CFG->hotpottemplate = "$CFG->hotpotroot/template";\r
-$CFG->hotpotismobile = preg_match('/Alcatel|ATTWS|DoCoMo|Doris|Hutc3G|J-PHONE|Java|KDDI|KGT|LGE|MOT|Nokia|portalmmm|ReqwirelessWeb|SAGEM|SHARP|SIE-|SonyEricsson|Teleport|UP\.Browser|UPG1|Wapagsim/', $_SERVER['HTTP_USER_AGENT']);\r
-\r
-define("HOTPOT_JS", "$CFG->wwwroot/mod/hotpot/hotpot-full.js");\r
-\r
-define("HOTPOT_NO", "0");\r
-define("HOTPOT_YES", "1");\r
-\r
-define ("HOTPOT_TEXTSOURCE_QUIZ", "0");\r
-define ("HOTPOT_TEXTSOURCE_FILENAME", "1");\r
-define ("HOTPOT_TEXTSOURCE_FILEPATH", "2");\r
-define ("HOTPOT_TEXTSOURCE_SPECIFIC", "3");\r
-\r
-define("HOTPOT_LOCATION_COURSEFILES", "0");\r
-define("HOTPOT_LOCATION_SITEFILES", "1");\r
-\r
-$HOTPOT_LOCATION = array (\r
- HOTPOT_LOCATION_COURSEFILES => get_string("coursefiles"),\r
- HOTPOT_LOCATION_SITEFILES => get_string("sitefiles"),\r
-);\r
-\r
-define("HOTPOT_OUTPUTFORMAT_BEST", "1");\r
-define("HOTPOT_OUTPUTFORMAT_V3", "10");\r
-define("HOTPOT_OUTPUTFORMAT_V4", "11");\r
-define("HOTPOT_OUTPUTFORMAT_V5", "12");\r
-define("HOTPOT_OUTPUTFORMAT_V5_PLUS", "13");\r
-define("HOTPOT_OUTPUTFORMAT_V6", "14");\r
-define("HOTPOT_OUTPUTFORMAT_V6_PLUS", "15");\r
-define("HOTPOT_OUTPUTFORMAT_FLASH", "20");\r
-define("HOTPOT_OUTPUTFORMAT_MOBILE", "30");\r
-\r
-$HOTPOT_OUTPUTFORMAT = array (\r
- HOTPOT_OUTPUTFORMAT_BEST => get_string("outputformat_best", "hotpot"),\r
- HOTPOT_OUTPUTFORMAT_V6_PLUS => get_string("outputformat_v6_plus", "hotpot"),\r
- HOTPOT_OUTPUTFORMAT_V6 => get_string("outputformat_v6", "hotpot"),\r
- HOTPOT_OUTPUTFORMAT_V5_PLUS => get_string("outputformat_v5_plus", "hotpot"),\r
- HOTPOT_OUTPUTFORMAT_V5 => get_string("outputformat_v5", "hotpot"),\r
- HOTPOT_OUTPUTFORMAT_V4 => get_string("outputformat_v4", "hotpot"),\r
- HOTPOT_OUTPUTFORMAT_V3 => get_string("outputformat_v3", "hotpot"),\r
- HOTPOT_OUTPUTFORMAT_FLASH => get_string("outputformat_flash", "hotpot"),\r
- HOTPOT_OUTPUTFORMAT_MOBILE => get_string("outputformat_mobile", "hotpot"),\r
-);\r
-$HOTPOT_OUTPUTFORMAT_DIR = array (\r
- HOTPOT_OUTPUTFORMAT_V6_PLUS => 'v6',\r
- HOTPOT_OUTPUTFORMAT_V6 => 'v6',\r
- HOTPOT_OUTPUTFORMAT_V5_PLUS => 'v5',\r
- HOTPOT_OUTPUTFORMAT_V5 => 'v5',\r
- HOTPOT_OUTPUTFORMAT_V4 => 'v4',\r
- HOTPOT_OUTPUTFORMAT_V3 => 'v3',\r
- HOTPOT_OUTPUTFORMAT_FLASH => 'flash',\r
- HOTPOT_OUTPUTFORMAT_MOBILE => 'mobile',\r
-);\r
-foreach ($HOTPOT_OUTPUTFORMAT_DIR as $format=>$dir) {\r
- if (is_file("$CFG->hotpottemplate/$dir.php") && is_dir("$CFG->hotpottemplate/$dir")) {\r
- // do nothing ($format is available)\r
- } else {\r
- // $format is not available, so remove it\r
- unset($HOTPOT_OUTPUTFORMAT[$format]);\r
- unset($HOTPOT_OUTPUTFORMAT_DIR[$format]);\r
- }\r
-}\r
-define("HOTPOT_NAVIGATION_BAR", "1");\r
-define("HOTPOT_NAVIGATION_FRAME", "2");\r
-define("HOTPOT_NAVIGATION_IFRAME", "3");\r
-define("HOTPOT_NAVIGATION_BUTTONS", "4");\r
-define("HOTPOT_NAVIGATION_GIVEUP", "5");\r
-define("HOTPOT_NAVIGATION_NONE", "6");\r
-\r
-$HOTPOT_NAVIGATION = array (\r
- HOTPOT_NAVIGATION_BAR => get_string("navigation_bar", "hotpot"),\r
- HOTPOT_NAVIGATION_FRAME => get_string("navigation_frame", "hotpot"),\r
- HOTPOT_NAVIGATION_IFRAME => get_string("navigation_iframe", "hotpot"),\r
- HOTPOT_NAVIGATION_BUTTONS => get_string("navigation_buttons", "hotpot"),\r
- HOTPOT_NAVIGATION_GIVEUP => get_string("navigation_give_up", "hotpot"),\r
- HOTPOT_NAVIGATION_NONE => get_string("navigation_none", "hotpot"),\r
-);\r
-\r
-define("HOTPOT_JCB", "1");\r
-define("HOTPOT_JCLOZE", "2");\r
-define("HOTPOT_JCROSS", "3");\r
-define("HOTPOT_JMATCH", "4");\r
-define("HOTPOT_JMIX", "5");\r
-define("HOTPOT_JQUIZ", "6");\r
-define("HOTPOT_TEXTOYS_RHUBARB", "7");\r
-define("HOTPOT_TEXTOYS_SEQUITUR", "8");\r
-\r
-$HOTPOT_QUIZTYPE = array(\r
- HOTPOT_JCB => 'JCB',\r
- HOTPOT_JCLOZE => 'JCloze',\r
- HOTPOT_JCROSS => 'JCross',\r
- HOTPOT_JMATCH => 'JMatch',\r
- HOTPOT_JMIX => 'JMix',\r
- HOTPOT_JQUIZ => 'JQuiz',\r
- HOTPOT_TEXTOYS_RHUBARB => 'Rhubarb',\r
- HOTPOT_TEXTOYS_SEQUITUR => 'Sequitur'\r
-);\r
-\r
-define("HOTPOT_JQUIZ_MULTICHOICE", "1");\r
-define("HOTPOT_JQUIZ_SHORTANSWER", "2");\r
-define("HOTPOT_JQUIZ_HYBRID", "3");\r
-define("HOTPOT_JQUIZ_MULTISELECT", "4");\r
-\r
-define("HOTPOT_GRADEMETHOD_HIGHEST", "1");\r
-define("HOTPOT_GRADEMETHOD_AVERAGE", "2");\r
-define("HOTPOT_GRADEMETHOD_FIRST", "3");\r
-define("HOTPOT_GRADEMETHOD_LAST", "4");\r
-\r
-$HOTPOT_GRADEMETHOD = array (\r
- HOTPOT_GRADEMETHOD_HIGHEST => get_string("gradehighest", "quiz"),\r
- HOTPOT_GRADEMETHOD_AVERAGE => get_string("gradeaverage", "quiz"),\r
- HOTPOT_GRADEMETHOD_FIRST => get_string("attemptfirst", "quiz"),\r
- HOTPOT_GRADEMETHOD_LAST => get_string("attemptlast", "quiz"),\r
-);\r
-\r
-define("HOTPOT_STATUS_INPROGRESS", "1");\r
-define("HOTPOT_STATUS_TIMEDOUT", "2");\r
-define("HOTPOT_STATUS_ABANDONED", "3");\r
-define("HOTPOT_STATUS_COMPLETED", "4");\r
-\r
-$HOTPOT_STATUS = array (\r
- HOTPOT_STATUS_INPROGRESS => get_string("inprogress", "hotpot"),\r
- HOTPOT_STATUS_TIMEDOUT => get_string("timedout", "hotpot"),\r
- HOTPOT_STATUS_ABANDONED => get_string("abandoned", "hotpot"),\r
- HOTPOT_STATUS_COMPLETED => get_string("completed", "hotpot"),\r
-);\r
-\r
-define("HOTPOT_FEEDBACK_NONE", "0");\r
-define("HOTPOT_FEEDBACK_WEBPAGE", "1");\r
-define("HOTPOT_FEEDBACK_FORMMAIL", "2");\r
-define("HOTPOT_FEEDBACK_MOODLEFORUM", "3");\r
-define("HOTPOT_FEEDBACK_MOODLEMESSAGING", "4");\r
-\r
-$HOTPOT_FEEDBACK = array (\r
- HOTPOT_FEEDBACK_NONE => get_string("feedbacknone", "hotpot"),\r
- HOTPOT_FEEDBACK_WEBPAGE => get_string("feedbackwebpage", "hotpot"),\r
- HOTPOT_FEEDBACK_FORMMAIL => get_string("feedbackformmail", "hotpot"),\r
- HOTPOT_FEEDBACK_MOODLEFORUM => get_string("feedbackmoodleforum", "hotpot"),\r
- HOTPOT_FEEDBACK_MOODLEMESSAGING => get_string("feedbackmoodlemessaging", "hotpot"),\r
-);\r
-if (empty($CFG->messaging)) { // Moodle 1.4 (and less)\r
- unset($HOTPOT_FEEDBACK[HOTPOT_FEEDBACK_MOODLEMESSAGING]);\r
-}\r
-\r
-define("HOTPOT_DISPLAYNEXT_QUIZ", "0");\r
-define("HOTPOT_DISPLAYNEXT_COURSE", "1");\r
-define("HOTPOT_DISPLAYNEXT_INDEX", "2");\r
-\r
-//////////////////////////////////\r
-/// CORE FUNCTIONS\r
-\r
-\r
-// possible return values:\r
-// false:\r
-// display moderr.html (if exists) OR "Could not update" and return to couse view\r
-// string:\r
-// display as error message and return to course view\r
-// true (or non-zero number):\r
-// continue to $hp->redirect (if set) OR hotpot/view.php (to displsay quiz)\r
-\r
-// $hp is an object containing the values of the form in mod.html\r
-// i.e. all the fields in the 'hotpot' table, plus the following:\r
-// $hp->course : an id in the 'course' table\r
-// $hp->coursemodule : an id in the 'course_modules' table\r
-// $hp->section : an id in the 'course_sections' table\r
-// $hp->module : an id in the 'modules' table\r
-// $hp->modulename : always 'hotpot'\r
-// $hp->instance : an id in the 'hotpot' table\r
-// $hp->mode : 'add' or 'update'\r
-// $hp->sesskey : unique string required for Moodle's session management\r
-\r
-function hotpot_add_instance(&$hp) {\r
- if (hotpot_set_form_values($hp)) {\r
- $result = insert_record("hotpot", $hp);\r
- } else {\r
- $result= false;\r
- }\r
- return $result;\r
-}\r
-\r
-function hotpot_update_instance(&$hp) {\r
- if (hotpot_set_form_values($hp)) {\r
- $hp->id = $hp->instance;\r
- $result = update_record("hotpot", $hp);\r
- } else {\r
- $result= false;\r
- }\r
- return $result;\r
-}\r
-\r
-function hotpot_set_form_values(&$hp) {\r
- $ok = true;\r
- $hp->errors = array(); // these will be reported by moderr.html\r
-\r
- if (empty($hp->reference)) {\r
- $ok = false;\r
- $hp->errors['reference']= get_string('error_nofilename', 'hotpot');\r
- }\r
-\r
- if ($hp->studentfeedbackurl=='http://') {\r
- $hp->studentfeedbackurl = '';\r
- }\r
-\r
- if (empty($hp->studentfeedbackurl)) {\r
- switch ($hp->studentfeedback) {\r
- case HOTPOT_FEEDBACK_WEBPAGE:\r
- $ok = false;\r
- $hp->errors['studentfeedbackurl']= get_string('error_nofeedbackurlwebpage', 'hotpot');\r
- break;\r
- case HOTPOT_FEEDBACK_FORMMAIL:\r
- $ok = false;\r
- $hp->errors['studentfeedbackurl']= get_string('error_nofeedbackurlformmail', 'hotpot');\r
- break;\r
- }\r
- }\r
-\r
- $time = time();\r
- $hp->timecreated = $time;\r
- $hp->timemodified = $time;\r
-\r
- if (empty($hp->enabletimeopen)) {\r
- $hp->timeopen = 0;\r
- } else {\r
- $hp->timeopen = make_timestamp(\r
- $hp->openyear, $hp->openmonth, $hp->openday,\r
- $hp->openhour, $hp->openminute, 0\r
- );\r
- }\r
-\r
- if (empty($hp->enabletimeclose)) {\r
- $hp->timeclose = 0;\r
- } else {\r
- $hp->timeclose = make_timestamp(\r
- $hp->closeyear, $hp->closemonth, $hp->closeday,\r
- $hp->closehour, $hp->closeminute, 0\r
- );\r
- }\r
-\r
- if ($hp->quizchain==HOTPOT_YES) {\r
- switch ($hp->mode) {\r
- case 'add':\r
- $ok = hotpot_add_chain($hp);\r
- break;\r
- case 'update':\r
- $ok = hotpot_update_chain($hp);\r
- break;\r
- }\r
- } else { // $hp->quizchain==HOTPOT_NO\r
- hotpot_set_name_summary_reference($hp);\r
- }\r
-\r
- switch ($hp->displaynext) {\r
- // N.B. redirection only works for Moodle 1.5+\r
- case HOTPOT_DISPLAYNEXT_COURSE:\r
- $hp->redirect = true;\r
- $hp->redirecturl = "view.php?id=$hp->course";\r
- break;\r
- case HOTPOT_DISPLAYNEXT_INDEX:\r
- $hp->redirect = true;\r
- $hp->redirecturl = "../mod/hotpot/index.php?id=$hp->course";\r
- break;\r
- default:\r
- // use Moodle default action (i.e. go on to display the hotpot quiz)\r
- }\r
-\r
- // if ($ok && $hp->setdefaults) {\r
- if ($ok) {\r
- set_user_preference('hotpot_timeopen', $hp->timeopen);\r
- set_user_preference('hotpot_timeclose', $hp->timeclose);\r
- set_user_preference('hotpot_navigation', $hp->navigation);\r
- set_user_preference('hotpot_outputformat', $hp->outputformat);\r
- set_user_preference('hotpot_studentfeedback', $hp->studentfeedback);\r
- set_user_preference('hotpot_studentfeedbackurl', $hp->studentfeedbackurl);\r
- set_user_preference('hotpot_forceplugins', $hp->forceplugins);\r
- set_user_preference('hotpot_shownextquiz', $hp->shownextquiz);\r
- set_user_preference('hotpot_review', $hp->review);\r
- set_user_preference('hotpot_grade', $hp->grade);\r
- set_user_preference('hotpot_grademethod', $hp->grademethod);\r
- set_user_preference('hotpot_attempts', $hp->attempts);\r
- set_user_preference('hotpot_subnet', $hp->subnet);\r
- set_user_preference('hotpot_displaynext', $hp->displaynext);\r
- if ($hp->mode=='add') {\r
- set_user_preference('hotpot_quizchain', $hp->quizchain);\r
- set_user_preference('hotpot_namesource', $hp->namesource);\r
- set_user_preference('hotpot_summarysource', $hp->summarysource);\r
- }\r
- }\r
- return $ok;\r
-}\r
-function hotpot_get_chain(&$cm) {\r
- // get details of course_modules in this section\r
- $course_module_ids = get_field('course_sections', 'sequence', 'id', $cm->section);\r
- if (empty($course_module_ids)) {\r
- $hotpot_modules = array();\r
- } else {\r
- $hotpot_modules = get_records_select('course_modules', "id IN ($course_module_ids) AND module=$cm->module");\r
- if (empty($hotpot_modules)) {\r
- $hotpot_modules = array();\r
- }\r
- }\r
-\r
- // get ids of hotpot modules in this section\r
- $ids = array();\r
- foreach ($hotpot_modules as $hotpot_module) {\r
- $ids[] = $hotpot_module->instance;\r
- }\r
-\r
- // get details of hotpots in this section\r
- if (empty($ids)) {\r
- $hotpots = array();\r
- } else {\r
- $hotpots = get_records_list('hotpot', 'id', implode(',', $ids));\r
- }\r
-\r
- $found = false;\r
- $chain = array();\r
-\r
- // loop through course_modules in this section\r
- $ids = explode(',', $course_module_ids);\r
- foreach ($ids as $id) {\r
-\r
- // check this course_module is a hotpot activity\r
- if (isset($hotpot_modules[$id])) {\r
-\r
- // store details of this course module and hotpot activity\r
- $hotpot_id = $hotpot_modules[$id]->instance;\r
- $chain[$id] = &$hotpot_modules[$id];\r
- $chain[$id]->hotpot = &$hotpots[$hotpot_id];\r
-\r
- // set $found, if this is the course module we're looking for\r
- if (isset($cm->coursemodule)) {\r
- if ($id==$cm->coursemodule) {\r
- $found = true;\r
- }\r
- } else {\r
- if ($id==$cm->id) {\r
- $found = true;\r
- }\r
- }\r
-\r
- // is this the end of a chain\r
- if (empty($hotpots[$hotpot_id]->shownextquiz)) {\r
- if ($found) {\r
- break; // out of loop\r
- } else {\r
- // restart chain (target cm has not been found yet)\r
- $chain = array();\r
- }\r
- }\r
- }\r
- } // end foreach $ids\r
-\r
- return $found ? $chain : false;\r
-}\r
-function hotpot_is_visible(&$cm) {\r
- if (!isset($cm->sectionvisible)) {\r
- if ($section = get_record('course_sections', 'id', $cm->section)) {\r
- $cm->sectionvisible = $section->visible;\r
- } else {\r
- error('Course module record contains invalid section');\r
- }\r
- }\r
-\r
- if (empty($cm->sectionvisible)) {\r
- $visible = HOTPOT_NO;\r
- } else {\r
- $visible = HOTPOT_YES;\r
- if (empty($cm->visible)) {\r
- if ($chain = hotpot_get_chain($cm)) {\r
- $startofchain = array_shift($chain);\r
- $visible = $startofchain->visible;\r
- }\r
- }\r
- }\r
- return $visible;\r
-}\r
-function hotpot_add_chain(&$hp) {\r
-/// add a chain of hotpot actiivities\r
-\r
- global $CFG, $course;\r
-\r
- $ok = true;\r
- $hp->names = array();\r
- $hp->summaries = array();\r
- $hp->references = array();\r
-\r
- $xml_quiz = new hotpot_xml_quiz($hp, false, false, false, false, false);\r
-\r
- if (isset($xml_quiz->error)) {\r
- $hp->errors['reference'] = $xml_quiz->error;\r
- $ok = false;\r
-\r
- } else if (is_dir($xml_quiz->filepath)) {\r
-\r
- // get list of hotpot files in this folder\r
- if ($dh = @opendir($xml_quiz->filepath)) {\r
- while ($file = @readdir($dh)) {\r
- if (preg_match('/\.(jbc|jcl|jcw|jmt|jmx|jqz|htm|html)$/', $file)) {\r
- $hp->references[] = "$xml_quiz->reference/$file";\r
- }\r
- }\r
- closedir($dh);\r
-\r
- // get titles\r
- foreach ($hp->references as $i=>$reference) {\r
- $filepath = $xml_quiz->fileroot.'/'.$reference;\r
- hotpot_get_titles_and_next_ex($hp, $filepath);\r
- $hp->names[$i] = $hp->exercisetitle;\r
- $hp->summaries[$i] = $hp->exercisesubtitle;\r
- }\r
-\r
- } else {\r
- $ok = false;\r
- $hp->errors['reference'] = get_string('error_couldnotopenfolder', 'hotpot', $hp->reference);\r
- }\r
-\r
- } else if (is_file($xml_quiz->filepath)) {\r
-\r
- $filerootlength = strlen($xml_quiz->fileroot) + 1;\r
-\r
- while ($xml_quiz->filepath) {\r
- hotpot_get_titles_and_next_ex($hp, $xml_quiz->filepath, true);\r
- $hp->names[] = $hp->exercisetitle;\r
- $hp->summaries[] = $hp->exercisesubtitle;\r
- $hp->references[] = substr($xml_quiz->filepath, $filerootlength);\r
-\r
- if ($hp->nextexercise) {\r
- $filepath = $xml_quiz->fileroot.'/'.$xml_quiz->filesubdir.$hp->nextexercise;\r
-\r
- // check file is not already in chain\r
- $reference = substr($filepath, $filerootlength);\r
- if (in_array($reference, $hp->references)) {\r
- $filepath = '';\r
- }\r
- } else {\r
- $filepath = '';\r
- }\r
- if ($filepath && file_exists($filepath) && is_file($filepath) && is_readable($filepath)) {\r
- $xml_quiz->filepath = $filepath;\r
- } else {\r
- $xml_quiz->filepath = false; // finish while loop\r
- }\r
- } // end while\r
-\r
- } else {\r
- $ok = false;\r
- $hp->errors['reference'] = get_string('error_notfileorfolder', 'hotpot', $hp->reference);\r
- }\r
-\r
- if (empty($hp->references) && empty($hp->errors['reference'])) {\r
- $ok = false;\r
- $hp->errors['reference'] = get_string('error_noquizzesfound', 'hotpot', $hp->reference);\r
- }\r
-\r
- if ($ok) {\r
- $hp->visible = HOTPOT_YES;\r
-\r
- if (trim($hp->name)=='') {\r
- $hp->name = get_string("modulename", $hp->modulename);\r
- }\r
- $hp->specificname = $hp->name;\r
- $hp->specificsummary = $hp->summary;\r
-\r
- // add all except last activity in chain\r
-\r
- $i_max = count($hp->references)-1;\r
- for ($i=0; $i<$i_max; $i++) {\r
-\r
- hotpot_set_name_summary_reference($hp, $i);\r
- $hp->reference = addslashes($hp->reference);\r
-\r
- if (!$hp->instance = insert_record("hotpot", $hp)) {\r
- error("Could not add a new instance of $hp->modulename", "view.php?id=$hp->course");\r
- }\r
-\r
- // store (hotpot table) id of start of chain\r
- if ($i==0) {\r
- $hp->startofchain = $hp->instance;\r
- }\r
-\r
- if (isset($course->groupmode)) {\r
- $hp->groupmode = $course->groupmode;\r
- }\r
-\r
- if (! $hp->coursemodule = add_course_module($hp)) {\r
- error("Could not add a new course module");\r
- }\r
- if (! $sectionid = add_mod_to_section($hp) ) {\r
- error("Could not add the new course module to that section");\r
- }\r
-\r
- if (! set_field("course_modules", "section", $sectionid, "id", $hp->coursemodule)) {\r
- error("Could not update the course module with the correct section");\r
- }\r
-\r
- add_to_log($hp->course, "course", "add mod",\r
- "../mod/$hp->modulename/view.php?id=$hp->coursemodule",\r
- "$hp->modulename $hp->instance"\r
- );\r
- add_to_log($hp->course, $hp->modulename, "add",\r
- "view.php?id=$hp->coursemodule",\r
- "$hp->instance", $hp->coursemodule\r
- );\r
-\r
- // hide tail of chain\r
- if ($hp->shownextquiz==HOTPOT_YES) {\r
- $hp->visible = HOTPOT_NO;\r
- }\r
- } // end for ($hp->references)\r
-\r
- // settings for final activity in chain\r
- hotpot_set_name_summary_reference($hp, $i);\r
- $hp->reference = addslashes($hp->references[$i]);\r
- $hp->shownextquiz = HOTPOT_NO;\r
-\r
- if (isset($hp->startofchain)) {\r
- // redirection only works for Moodle 1.5+\r
- $hp->redirect = true;\r
- $hp->redirecturl = "$CFG->wwwroot/mod/hotpot/view.php?hp=$hp->startofchain";\r
- }\r
- } // end if $ok\r
-\r
- return $ok;\r
-}\r
-function hotpot_set_name_summary_reference(&$hp, $chain_index=NULL) {\r
-\r
- $xml_quiz = NULL;\r
-\r
- $textfields = array('name', 'summary');\r
- foreach ($textfields as $textfield) {\r
-\r
- $textsource = $textfield.'source';\r
-\r
- // are we adding a chain?\r
- if (isset($chain_index)) {\r
-\r
- switch ($hp->$textsource) {\r
- case HOTPOT_TEXTSOURCE_QUIZ:\r
- if ($textfield=='name') {\r
- $hp->exercisetitle = $hp->names[$chain_index];\r
- } else if ($textfield=='summary') {\r
- $hp->exercisesubtitle = $hp->summaries[$chain_index];\r
- }\r
- break;\r
- case HOTPOT_TEXTSOURCE_SPECIFIC:\r
- $specifictext = 'specific'.$textfield;\r
- if (empty($hp->$specifictext) && trim($hp->$specifictext)=='') {\r
- $hp->$textfield = '';\r
- } else {\r
- $hp->$textfield = $hp->$specifictext.' ('.($chain_index+1).')';\r
- }\r
- break;\r
- }\r
- $hp->reference = $hp->references[$chain_index];\r
- }\r
-\r
- if ($hp->$textsource==HOTPOT_TEXTSOURCE_QUIZ) {\r
- if (empty($xml_quiz) && !isset($chain_index)) {\r
- $xml_quiz = new hotpot_xml_quiz($hp, false, false, false, false, false);\r
- hotpot_get_titles_and_next_ex($hp, $xml_quiz->filepath);\r
- }\r
- if ($textfield=='name') {\r
- $hp->$textfield = addslashes($hp->exercisetitle);\r
- } else if ($textfield=='summary') {\r
- $hp->$textfield = addslashes($hp->exercisesubtitle);\r
- }\r
- }\r
- switch ($hp->$textsource) {\r
- case HOTPOT_TEXTSOURCE_FILENAME:\r
- $hp->$textfield = basename($hp->reference);\r
- break;\r
- case HOTPOT_TEXTSOURCE_FILEPATH:\r
- $hp->$textfield = '';\r
- // continue to next lines\r
- default:\r
- if (empty($hp->$textfield)) {\r
- $hp->$textfield = str_replace('/', ' ', $hp->reference);\r
- }\r
- } // end switch\r
- } // end foreach\r
-}\r
-function hotpot_get_titles_and_next_ex(&$hp, $filepath, $get_next=false) {\r
-\r
- $hp->exercisetitle = '';\r
- $hp->exercisesubtitle = '';\r
- $hp->nextexercise = '';\r
-\r
- // read the quiz file source\r
- if ($source = file_get_contents($filepath)) {\r
-\r
- $next = '';\r
- $title = '';\r
- $subtitle = '';\r
-\r
- if (preg_match('|\.html?$|', $filepath)) {\r
- // html file\r
- if (preg_match('|<h2[^>]*class="ExerciseTitle"[^>]*>(.*?)</h2>|is', $source, $matches)) {\r
- $title = trim(strip_tags($matches[1]));\r
- }\r
- if (empty($title)) {\r
- if (preg_match('|<title[^>]*>(.*?)</title>|is', $source, $matches)) {\r
- $title = trim(strip_tags($matches[1]));\r
- }\r
- }\r
- if (preg_match('|<h3[^>]*class="ExerciseSubtitle"[^>]*>(.*?)</h3>|is', $source, $matches)) {\r
- $subtitle = trim(strip_tags($matches[1]));\r
- }\r
- if ($get_next) {\r
- if (preg_match('|<div[^>]*class="NavButtonBar"[^>]*>(.*?)</div>|is', $source, $matches)) {\r
- $navbuttonbar = $matches[1];\r
- if (preg_match_all('|<button[^>]*class="NavButton"[^>]*onclick="'."location='([^']*)'".'[^"]*"[^>]*>|is', $navbuttonbar, $matches)) {\r
- $lastbutton = count($matches[0])-1;\r
- $next = $matches[1][$lastbutton];\r
- }\r
- }\r
- }\r
-\r
- } else {\r
- // xml file (...maybe)\r
- $xml_tree = new hotpot_xml_tree($source);\r
- $xml_tree->filetype = '';\r
-\r
- $keys = array_keys($xml_tree->xml);\r
- foreach ($keys as $key) {\r
- if (preg_match('/^(hotpot|textoys)-(\w+)-file$/i', $key, $matches)) {\r
- $xml_tree->filetype = 'xml';\r
- $xml_tree->xml_root = "['$key']['#']";\r
- $xml_tree->quiztype = strtolower($matches[2]);\r
- break;\r
- }\r
- }\r
- if ($xml_tree->filetype=='xml') {\r
-\r
- $title = strip_tags($xml_tree->xml_value('data,title'));\r
- $subtitle = $xml_tree->xml_value('hotpot-config-file,'.$xml_tree->quiztype.',exercise-subtitle');\r
-\r
- if ($get_next) {\r
- $include = $xml_tree->xml_value('hotpot-config-file,global,include-next-ex');\r
- if (!empty($include)) {\r
- $next = $xml_tree->xml_value("hotpot-config-file,$xml_tree->quiztype,next-ex-url");\r
- if (is_array($next)) {\r
- $next = $next[0]; // in case "next-ex-url" was repeated in the xml file\r
- }\r
- }\r
- }\r
- }\r
- }\r
-\r
- $hp->nextexercise = $next;\r
- $hp->exercisetitle = (empty($title) || is_array($title)) ? basename($filepath) : $title;\r
- $hp->exercisesubtitle = (empty($subtitle) || is_array($subtitle)) ? $hp->exercisetitle : $subtitle;\r
- }\r
-}\r
-function hotpot_get_all_instances_in_course($modulename, $course) {\r
-/// called from index.php\r
-\r
- global $CFG;\r
- $instances = array();\r
-\r
- if (isset($CFG->release) && substr($CFG->release, 0, 3)>=1.2) {\r
- $groupmode = 'cm.groupmode,';\r
- } else {\r
- $groupmode = '';\r
- }\r
-\r
- $query = "\r
- SELECT\r
- cm.id AS coursemodule,\r
- cm.course AS course,\r
- cm.module AS module,\r
- cm.instance AS instance,\r
- -- cm.section AS section,\r
- cm.visible AS visible,\r
- $groupmode\r
- -- cs.section AS sectionnumber,\r
- cs.section AS section,\r
- cs.sequence AS sequence,\r
- cs.visible AS sectionvisible,\r
- thismodule.*\r
- FROM\r
- {$CFG->prefix}course_modules AS cm,\r
- {$CFG->prefix}course_sections AS cs,\r
- {$CFG->prefix}modules AS m,\r
- {$CFG->prefix}$modulename AS thismodule\r
- WHERE\r
- m.name = '$modulename' AND\r
- m.id = cm.module AND\r
- cm.course = '$course->id' AND\r
- cm.section = cs.id AND\r
- cm.instance = thismodule.id\r
- ";\r
- if ($rawmods = get_records_sql($query)) {\r
-\r
- // cache $isteacher setting\r
- $isteacher = isteacher($course->id);\r
-\r
- $explodesection = array();\r
- $order = array();\r
-\r
- foreach ($rawmods as $rawmod) {\r
-\r
- if (empty($explodesection[$rawmod->section])) {\r
- $explodesection[$rawmod->section] = true;\r
-\r
- $coursemodules = explode(',', $rawmod->sequence);\r
- foreach ($coursemodules as $i=>$coursemodule) {\r
- $order[$coursemodule] = sprintf('%d.%04d', $rawmod->section, $i);\r
- }\r
- }\r
-\r
- if ($isteacher) {\r
- $visible = true;\r
- } else if ($modulename=='hotpot') {\r
- $visible = hotpot_is_visible($rawmod);\r
- } else {\r
- $visible = $rawmod->visible;\r
- }\r
-\r
- if ($visible) {\r
- $instances[$order[$rawmod->coursemodule]] = $rawmod;\r
- }\r
-\r
- } // end foreach $modinfo\r
-\r
- ksort($instances);\r
- $instances = array_values($instances);\r
- }\r
-\r
- return $instances;\r
-}\r
-\r
-function hotpot_update_chain(&$hp) {\r
-/// update a chain of hotpot actiivities\r
-\r
- $ok = true;\r
- if ($hotpot_modules = hotpot_get_chain($hp)) {\r
-\r
- // skip updating of these fields\r
- $skipfields = array('id', 'course', 'name', 'reference', 'summary', 'shownextquiz');\r
- $fields = array();\r
-\r
- foreach ($hotpot_modules as $hotpot_module) {\r
-\r
- if ($hp->instance==$hotpot_module->id) {\r
- // don't need to update this hotpot\r
-\r
- } else {\r
- // shortcut to hotpot record\r
- $hotpot = &$hotpot_module->hotpot;\r
-\r
- // get a list of fields to update (first time only)\r
- if (empty($fields)) {\r
- $fields = array_keys(get_object_vars($hotpot));\r
- }\r
-\r
- // assume update is NOT required\r
- $require_update = false;\r
-\r
- // update field values (except $skipfields)\r
- foreach($fields as $field) {\r
- if (in_array($field, $skipfields) || $hotpot->$field==$hp->$field) {\r
- // update not required for this field\r
- } else {\r
- $require_update = true;\r
- $hotpot->$field = $hp->$field;\r
- }\r
- }\r
-\r
- // update this $hotpot, if required\r
- if ($require_update && !update_record("hotpot", $hotpot)) {\r
- error("Could not update the $hp->modulename", "view.php?id=$hp->course");\r
- }\r
- }\r
- } // end foreach $ids\r
- }\r
- return $ok;\r
-}\r
-function hotpot_delete_instance($id) {\r
-/// Given an ID of an instance of this module,\r
-/// this function will permanently delete the instance\r
-/// and any data that depends on it.\r
-\r
- $result = false;\r
- if (delete_records("hotpot", "id", "$id")) {\r
- $result = true;\r
- delete_records("hotpot_questions", "hotpot", "$id");\r
- if ($attempts = get_records_select("hotpot_attempts", "hotpot='$id'")) {\r
- $ids = implode(',', array_keys($attempts));\r
- delete_records_select("hotpot_attempts", "id IN ($ids)");\r
- delete_records_select("hotpot_details", "attempt IN ($ids)");\r
- delete_records_select("hotpot_responses", "attempt IN ($ids)");\r
- }\r
- }\r
- return $result;\r
-}\r
-function hotpot_delete_and_notify($table, $select, $strtable) {\r
- $count = max(0, count_records_select($table, $select));\r
- if ($count) {\r
- delete_records_select($table, $select);\r
- $count -= max(0, count_records_select($table, $select));\r
- if ($count) {\r
- notify(get_string('deleted')." $count x $strtable");\r
- }\r
- }\r
-}\r
-\r
-function hotpot_user_complete($course, $user, $mod, $hp) {\r
-/// Print a detailed representation of what a user has done with\r
-/// a given particular instance of this module, for user activity reports.\r
-\r
- $report = hotpot_user_outline($course, $user, $mod, $hp);\r
- if (empty($report)) {\r
- print get_string("noactivity", "hotpot");\r
- } else {\r
- $date = userdate($report->time, get_string('strftimerecentfull'));\r
- print $report->info.' '.get_string('mostrecently').': '.$date;\r
- }\r
- return true;\r
-}\r
-\r
-function hotpot_user_outline($course, $user, $mod, $hp) {\r
-/// Return a small object with summary information about what a\r
-/// user has done with a given particular instance of this module\r
-/// Used for user activity reports.\r
-/// $report->time = the time they did it\r
-/// $report->info = a short text description\r
-\r
- $report = NULL;\r
- if ($records = get_records_select("hotpot_attempts", "hotpot='$hp->id' AND userid='$user->id'", "timestart ASC", "*")) {\r
- $scores = array();\r
- foreach ($records as $record){\r
- if (empty($report->time)) {\r
- $report->time = $record->timestart;\r
- }\r
- $scores[] = hotpot_format_score($record);\r
- }\r
- if (empty($scores)) {\r
- $report->time = 0;\r
- $report->info = get_string('noactivity', 'hotpot');\r
- } else {\r
- $report->info = get_string('score', 'quiz').': '.implode(', ', $scores);\r
- }\r
- }\r
- return $report;\r
-}\r
-\r
-function hotpot_format_score($record, $undefined=' ') {\r
- if (isset($record->score)) {\r
- $score = $record->score;\r
- } else {\r
- $score = $undefined;\r
- }\r
- return $score;\r
-}\r
-\r
-function hotpot_format_status($record, $undefined=' ') {\r
- global $HOTPOT_STATUS;\r
-\r
- if (isset($record->status) || isset($HOTPOT_STATUS[$record->status])) {\r
- $status = $HOTPOT_STATUS[$record->status];\r
- } else {\r
- $status = $undefined;\r
- }\r
- return $status;\r
-}\r
-\r
-function hotpot_print_recent_activity($course, $isteacher, $timestart) {\r
-/// Given a course and a time, this module should find recent activity\r
-/// that has occurred in hotpot activities and print it out.\r
-/// Return true if there was output, or false is there was none.\r
-\r
- global $CFG;\r
-\r
- $result = false;\r
- if($isteacher){\r
-\r
- $records = get_records_sql("\r
- SELECT\r
- h.id AS id,\r
- h.name AS name,\r
- COUNT(*) AS count_attempts\r
- FROM\r
- {$CFG->prefix}hotpot AS h,\r
- {$CFG->prefix}hotpot_attempts AS a\r
- WHERE\r
- h.course = $course->id\r
- AND h.id = a.hotpot\r
- AND a.id = a.clickreportid\r
- AND a.starttime > $timestart\r
- GROUP BY\r
- h.id, h.name\r
- ");\r
- // note that PostGreSQL requires h.name in the GROUP BY clause\r
-\r
- if($records) {\r
-\r
- $names = array();\r
- foreach ($records as $id => $record){\r
- $href = "$CFG->wwwroot/mod/hotpot/view.php?hp=$id";\r
- $name = ' <a href="'.$href.'">'.$record->name.'</a>';\r
- if ($record->count_attempts > 1) {\r
- $name .= " ($record->count_attempts)";\r
- }\r
- $names[] = $name;\r
- }\r
-\r
- print_headline(get_string('modulenameplural', 'hotpot').':');\r
-\r
- if ($CFG->version >= 2005050500) { // Moodle 1.5+\r
- echo '<div class="head"><div class="name">'.implode('<br />', $names).'</div></div>';\r
- } else { // Moodle 1.4.x (or less)\r
- echo '<font size="1">'.implode('<br />', $names).'</font>';\r
- }\r
-\r
- $result = true;\r
- }\r
- }\r
- return $result; // True if anything was printed, otherwise false\r
-}\r
-\r
-function hotpot_get_recent_mod_activity(&$activities, &$index, $sincetime, $courseid, $cmid="", $userid="", $groupid="") {\r
-// Returns all quizzes since a given time.\r
-\r
- global $CFG;\r
-\r
- // If $cmid or $userid are specified, then this restricts the results\r
- $cm_select = empty($cmid) ? "" : " AND cm.id = '$cmid'";\r
- $user_select = empty($userid) ? "" : " AND u.id = '$userid'";\r
-\r
- $records = get_records_sql("\r
- SELECT\r
- a.*,\r
- h.name, h.course,\r
- cm.instance, cm.section,\r
- u.firstname, u.lastname, u.picture\r
- FROM\r
- {$CFG->prefix}hotpot_attempts AS a,\r
- {$CFG->prefix}hotpot AS h,\r
- {$CFG->prefix}course_modules AS cm,\r
- {$CFG->prefix}user AS u\r
- WHERE\r
- a.timefinish > '$sincetime'\r
- AND a.id = a.clickreportid\r
- AND a.userid = u.id $user_select\r
- AND a.hotpot = h.id $cm_select\r
- AND cm.instance = h.id\r
- AND cm.course = '$courseid'\r
- AND h.course = cm.course\r
- ORDER BY\r
- a.timefinish ASC\r
- ");\r
-\r
- if (!empty($records)) {\r
- foreach ($records as $record) {\r
- if (empty($groupid) || ismember($groupid, $record->userid)) {\r
-\r
- unset($activity);\r
-\r
- $activity->type = "hotpot";\r
- $activity->defaultindex = $index;\r
- $activity->instance = $record->hotpot;\r
-\r
- $activity->name = $record->name;\r
- $activity->section = $record->section;\r
-\r
- $activity->content->attemptid = $record->id;\r
- $activity->content->attempt = $record->attempt;\r
- $activity->content->score = $record->score;\r
- $activity->content->timestart = $record->timestart;\r
- $activity->content->timefinish = $record->timefinish;\r
-\r
- $activity->user->userid = $record->userid;\r
- $activity->user->fullname = fullname($record);\r
- $activity->user->picture = $record->picture;\r
-\r
- $activity->timestamp = $record->timefinish;\r
-\r
- $activities[] = $activity;\r
-\r
- $index++;\r
- }\r
- } // end foreach\r
- }\r
-}\r
-\r
-function hotpot_print_recent_mod_activity($activity, $course, $detail=false) {\r
-/// Basically, this function prints the results of "hotpot_get_recent_activity"\r
-\r
- global $CFG, $THEME, $USER;\r
-\r
- print '<table border="0" cellpadding="3" cellspacing="0">';\r
-\r
- print '<tr><td bgcolor="'.$THEME->cellcontent2.'" class="forumpostpicture" width="35" valign="top">';\r
- print_user_picture($activity->user->userid, $course, $activity->user->picture);\r
- print '</td><td width="100%"><font size="2">';\r
-\r
- if ($detail) {\r
- // activity icon\r
- $src = "$CFG->modpixpath/$activity->type/icon.gif";\r
- print '<img src="'.$src.'" height="16" width="16" alt="'.$activity->type.'" /> ';\r
-\r
- // link to activity\r
- $href = "$CFG->wwwroot/mod/hotpot/view.php?hp=$activity->instance";\r
- print '<a href="'.$href.'">'.$activity->name.'</a> - ';\r
- }\r
- if (isteacher($course)) {\r
- // score (with link to attempt details)\r
- $href = "$CFG->wwwroot/mod/hotpot/review.php?hp=$activity->instance&attempt=".$activity->content->attemptid;\r
- print '<a href="'.$href.'">('.hotpot_format_score($activity->content).')</a> ';\r
-\r
- // attempt number\r
- print get_string('attempt', 'quiz').' - '.$activity->content->attempt.'<br />';\r
- }\r
-\r
- // link to user\r
- $href = "$CFG->wwwroot/user/view.php?id=$activity->user->userid&course=$course";\r
- print '<a href="'.$href.'">'.$activity->user->fullname.'</a> ';\r
-\r
- // time and date\r
- print ' - ' . userdate($activity->timestamp);\r
-\r
- // duration\r
- $duration = format_time($activity->content->timestart - $activity->content->timefinish);\r
- print " ($duration)";\r
-\r
- print "</font></td></tr>";\r
- print "</table>";\r
-}\r
-\r
-function hotpot_cron () {\r
-/// Function to be run periodically according to the moodle cron\r
-/// This function searches for things that need to be done, such\r
-/// as sending out mail, toggling flags etc ...\r
-\r
- global $CFG;\r
-\r
- return true;\r
-}\r
-\r
-function hotpot_grades($hotpotid) {\r
-/// Must return an array of grades for a given instance of this module,\r
-/// indexed by user. It also returns a maximum allowed grade.\r
-\r
- $hotpot = get_record('hotpot', 'id', $hotpotid);\r
- $return->grades = hotpot_get_grades($hotpot);\r
- $return->maxgrade = $hotpot->grade;\r
-\r
- return $return;\r
-}\r
-function hotpot_get_grades($hotpot, $user_ids='') {\r
- global $CFG;\r
-\r
- $grades = array();\r
-\r
- $weighting = $hotpot->grade / 100;\r
- $precision = hotpot_get_precision($hotpot);\r
-\r
- // set the SQL string to determine the $grade\r
- $grade = "";\r
- switch ($hotpot->grademethod) {\r
- case HOTPOT_GRADEMETHOD_HIGHEST:\r
- $grade = "ROUND(MAX(score) * $weighting, $precision) AS grade";\r
- break;\r
- case HOTPOT_GRADEMETHOD_AVERAGE:\r
- // the 'AVG' function skips abandoned quizzes, so use SUM(score)/COUNT(id)\r
- $grade = "ROUND(SUM(score)/COUNT(id) * $weighting, $precision) AS grade";\r
- break;\r
- case HOTPOT_GRADEMETHOD_FIRST:\r
- if ($CFG->dbtype=='postgres7') {\r
- $grade = "MIN(timestart||'_'||(CASE WHEN (score IS NULL) THEN '' ELSE TRIM(ROUND(score * $weighting, $precision)) END)) AS grade";\r
- } else {\r
- $grade = "MIN(CONCAT(timestart, '_', IF(score IS NULL, '', ROUND(score * $weighting, $precision)))) AS grade";\r
- }\r
- break;\r
- case HOTPOT_GRADEMETHOD_LAST:\r
- if ($CFG->dbtype=='postgres7') {\r
- $grade = "MAX(timestart||'_'||(CASE WHEN (score IS NULL) THEN '' ELSE TRIM(ROUND(score * $weighting, $precision)) END)) AS grade";\r
- } else {\r
- $grade = "MAX(CONCAT(timestart, '_', IF(score IS NULL, '', ROUND(score * $weighting, $precision)))) AS grade";\r
- }\r
- break;\r
- }\r
-\r
- if ($grade) {\r
- $userid_condition = empty($user_ids) ? '' : "AND userid IN ($user_ids) ";\r
- $grades = get_records_sql_menu("\r
- SELECT userid, $grade\r
- FROM {$CFG->prefix}hotpot_attempts\r
- WHERE timefinish>0 AND hotpot='$hotpot->id' $userid_condition\r
- GROUP BY userid\r
- ");\r
- if ($grades) {\r
- if ($hotpot->grademethod==HOTPOT_GRADEMETHOD_FIRST || $hotpot->grademethod==HOTPOT_GRADEMETHOD_LAST) {\r
- // remove left hand characters in $grade (up to and including the underscore)\r
- foreach ($grades as $userid=>$grade) {\r
- $grades[$userid] = substr($grades[$userid], strpos($grades[$userid], '_')+1);\r
- }\r
- }\r
- }\r
- }\r
-\r
- return $grades;\r
-}\r
-function hotpot_get_precision(&$hotpot) {\r
- return ($hotpot->grademethod==HOTPOT_GRADEMETHOD_AVERAGE || $hotpot->grade<100) ? 1 : 0;\r
-}\r
-\r
-function hotpot_get_participants($hotpotid) {\r
-//Must return an array of user ids who are participants\r
-//for a given instance of hotpot. Must include every user involved\r
-//in the instance, independient of his role (student, teacher, admin...)\r
-//See other modules as example.\r
- global $CFG;\r
-\r
- return get_records_sql("\r
- SELECT DISTINCT\r
- u.id, u.id\r
- FROM\r
- {$CFG->prefix}user u,\r
- {$CFG->prefix}hotpot_attempts a\r
- WHERE\r
- u.id = a.userid\r
- AND a.hotpot = '$hotpotid'\r
- ");\r
-}\r
-\r
-function hotpot_scale_used ($hotpotid, $scaleid) {\r
-//This function returns if a scale is being used by one hotpot\r
-//it it has support for grading and scales. Commented code should be\r
-//modified if necessary. See forum, glossary or journal modules\r
-//as reference.\r
-\r
- $report = false;\r
-\r
- //$rec = get_record("hotpot","id","$hotpotid","scale","-$scaleid");\r
- //\r
- //if (!empty($rec) && !empty($scaleid)) {\r
- // $report = true;\r
- //}\r
-\r
- return $report;\r
-}\r
-\r
-//////////////////////////////////////////////////////////\r
-/// Any other hotpot functions go here.\r
-/// Each of them must have a name that starts with hotpot\r
-\r
-\r
-function hotpot_add_attempt($hotpotid) {\r
- global $db, $CFG, $USER;\r
- $time = time();\r
- switch (strtolower($CFG->dbtype)) {\r
- case 'mysql':\r
- $timefinish = "IF(a.timefinish IS NULL, '$time', a.timefinish)";\r
- $clickreportid = "IF(a.clickreportid IS NULL, a.id, a.clickreportid)";\r
- break;\r
- case 'postgres7':\r
- $timefinish = "WHEN(a.timefinish IS NULL) THEN '$time' ELSE a.timefinish";\r
- $clickreportid = "WHEN(a.clickreportid IS NULL) THEN a.id ELSE a.clickreportid";\r
- break;\r
- }\r
-\r
- // set all previous "in progress" attempts at this quiz to "abandoned"\r
- $db->Execute("\r
- UPDATE\r
- {$CFG->prefix}hotpot_attempts as a\r
- SET\r
- a.timefinish = $timefinish,\r
- a.status = '".HOTPOT_STATUS_ABANDONED."',\r
- a.clickreportid = $clickreportid\r
- WHERE\r
- a.hotpot='$hotpotid'\r
- AND a.userid='$USER->id'\r
- AND a.status='".HOTPOT_STATUS_INPROGRESS."'\r
- ");\r
-\r
- // create and add new attempt record\r
- $attempt->hotpot = $hotpotid;\r
- $attempt->userid = $USER->id;\r
- $attempt->attempt = hotpot_get_next_attempt($hotpotid);\r
- $attempt->timestart = time();\r
-\r
- return insert_record("hotpot_attempts", $attempt);\r
-}\r
-function hotpot_get_next_attempt($hotpotid) {\r
- global $USER;\r
-\r
- // get max attempt so far\r
- $i = count_records_select('hotpot_attempts', "hotpot='$hotpotid' AND userid='$USER->id'", 'MAX(attempt)');\r
-\r
- return empty($i) ? 1 : ($i+1);\r
-}\r
-function hotpot_get_question_name($question) {\r
- $name = '';\r
- if (isset($question->text)) {\r
- $name = hotpot_strings($question->text);\r
- }\r
- if (empty($name)) {\r
- $name = $question->name;\r
- }\r
- return $name;\r
-}\r
-function hotpot_strings($ids) {\r
-\r
- // array of ids of empty strings\r
- static $HOTPOT_EMPTYSTRINGS;\r
-\r
- if (!isset($HOTPOT_EMPTYSTRINGS)) { // first time only\r
- // get ids of empty strings\r
- $emptystrings = get_records_select('hotpot_strings', 'LENGTH(TRIM(string))=0');\r
- $HOTPOT_EMPTYSTRINGS = empty($emptystrings) ? array() : array_keys($emptystrings);\r
- }\r
-\r
- $strings = array();\r
- if (!empty($ids)) {\r
- $ids = explode(',', $ids);\r
- foreach ($ids as $id) {\r
- if (!in_array($id, $HOTPOT_EMPTYSTRINGS)) {\r
- $strings[] = hotpot_string($id);\r
- }\r
- }\r
- }\r
- return implode(',', $strings);\r
-}\r
-function hotpot_string($id) {\r
- return get_field('hotpot_strings', 'string', 'id', $id);\r
-}\r
-\r
-//////////////////////////////////////////////////////////////////////////////////////\r
-/// the class definitions to handle XML trees\r
-\r
-// get the standard XML parser supplied with Moodle\r
-require_once("$CFG->libdir/xmlize.php");\r
-\r
-// get the default class for hotpot quiz templates\r
-require_once("$CFG->hotpottemplate/default.php");\r
-\r
-class hotpot_xml_tree {\r
- function hotpot_xml_tree($str, $xml_root='') {\r
- if (empty($str)) {\r
- $this->xml = array();\r
- } else {\r
- if (empty($CFG->unicodedb)) {\r
- $str = utf8_encode($str);\r
- }\r
- $this->xml = xmlize($str, 0);\r
- }\r
- $this->xml_root = $xml_root;\r
- }\r
- function xml_value($tags, $more_tags="[0]['#']") {\r
-\r
- $tags = empty($tags) ? '' : "['".str_replace(",", "'][0]['#']['", $tags)."']";\r
- eval('$value = &$this->xml'.$this->xml_root.$tags.$more_tags.';');\r
-\r
- if (is_string($value)) {\r
- if (empty($CFG->unicodedb)) {\r
- $value = utf8_decode($value);\r
- }\r
-\r
- // decode angle brackets\r
- $value = strtr($value, array('<'=>'<', '>'=>'>', '&'=>'&'));\r
-\r
- // remove white space between <table>, <ul|OL|DL> and <OBJECT|EMBED> parts\r
- // (so it doesn't get converted to <br />)\r
- $htmltags = '('\r
- . 'TABLE|/?CAPTION|/?COL|/?COLGROUP|/?TBODY|/?TFOOT|/?THEAD|/?TD|/?TH|/?TR'\r
- . '|OL|UL|/?LI'\r
- . '|DL|/?DT|/?DD'\r
- . '|EMBED|OBJECT|APPLET|/?PARAM'\r
- //. '|SELECT|/?OPTION'\r
- //. '|FIELDSET|/?LEGEND'\r
- //. '|FRAMESET|/?FRAME'\r
- . ')'\r
- ;\r
- $search = '#(<'.$htmltags.'[^>]*'.'>)\s+'.'(?='.'<'.')#is';\r
- $value = preg_replace($search, '\\1', $value);\r
-\r
- // replace remaining newlines with <br />\r
- $value = str_replace("\n", '<br />', $value);\r
-\r
- // encode unicode characters as HTML entities\r
- // (in particular, accented charaters that have not been encoded by HP)\r
-\r
- // unicode characters can be detected by checking the hex value of a character\r
- // 00 - 7F : ascii char (roman alphabet + punctuation)\r
- // 80 - BF : byte 2, 3 or 4 of a unicode char\r
- // C0 - DF : 1st byte of 2-byte char\r
- // E0 - EF : 1st byte of 3-byte char\r
- // F0 - FF : 1st byte of 4-byte char\r
- // if the string doesn't match the above, it might be\r
- // 80 - FF : single-byte, non-ascii char\r
- $search = '#('.'[\xc0-\xdf][\x80-\xbf]'.'|'.'[\xe0-\xef][\x80-\xbf]{2}'.'|'.'[\xf0-\xff][\x80-\xbf]{3}'.'|'.'[\x80-\xff]'.')#se';\r
- $value = preg_replace($search, "hotpot_utf8_to_html_entity('\\1')", $value);\r
- }\r
- return $value;\r
- }\r
- function xml_values($tags) {\r
- $i = 0;\r
- $values = array();\r
- while ($value = $this->xml_value($tags, "[$i]['#']")) {\r
- $values[$i++] = $value;\r
- }\r
- return $values;\r
- }\r
- function obj_value(&$obj, $name) {\r
- return is_object($obj) ? @$obj->$name : (is_array($obj) ? @$obj[$name] : NULL);\r
- }\r
- function encode_cdata(&$str, $tag) {\r
-\r
- // conversion tables\r
- static $HTML_ENTITIES = array(\r
- ''' => "'",\r
- '"' => '"',\r
- '<' => '<',\r
- '>' => '>',\r
- '&' => '&',\r
- );\r
- static $ILLEGAL_STRINGS = array(\r
- "\r" => '',\r
- "\n" => '<br />',\r
- ']]>' => ']]>',\r
- );\r
-\r
- // extract the $tag from the $str(ing), if possible\r
- $pattern = '|(^.*<'.$tag.'[^>]*)(>.*<)(/'.$tag.'>.*$)|is';\r
- if (preg_match($pattern, $str, $matches)) {\r
-\r
- // encode problematic CDATA chars and strings\r
- $matches[2] = strtr($matches[2], $ILLEGAL_STRINGS);\r
-\r
- // if there are any ampersands in "open text"\r
- // surround them by CDATA start and end markers\r
- // (and convert HTML entities to plain text)\r
- $search = '/>([^<]*&[^<]*)</e';\r
- $replace = '"><![CDATA[".strtr("$1", $HTML_ENTITIES)."]]><"';\r
- $matches[2] = preg_replace($search, $replace, $matches[2]);\r
-\r
- $str = $matches[1].$matches[2].$matches[3];\r
- }\r
- }\r
-}\r
-\r
-class hotpot_xml_quiz extends hotpot_xml_tree {\r
-\r
- // constructor function\r
- function hotpot_xml_quiz(&$obj, $read_file=true, $parse_xml=true, $convert_urls=true, $report_errors=true, $create_html=true) {\r
- // obj can be the $_GET array or a form object/array\r
-\r
- global $CFG, $HOTPOT_OUTPUTFORMAT, $HOTPOT_OUTPUTFORMAT_DIR;\r
-\r
- // check xmlize functions are available\r
- if (! function_exists("xmlize")) {\r
- error('xmlize functions are not available');\r
- }\r
-\r
- $this->read_file = $read_file;\r
- $this->parse_xml = $parse_xml;\r
- $this->convert_urls = $convert_urls;\r
- $this->report_errors = $report_errors;\r
- $this->create_html = $create_html;\r
-\r
- // extract fields from $obj\r
- // course : the course id\r
- // reference : the filename within the files folder\r
- // location : "site" files folder or "course" files folder\r
- // navigation : type of navigation required in quiz\r
- // forceplugins : force Moodle compatible media players\r
- $this->course = $this->obj_value($obj, 'course');\r
- $this->reference = $this->obj_value($obj, 'reference');\r
- $this->location = $this->obj_value($obj, 'location');\r
- $this->navigation = $this->obj_value($obj, 'navigation');\r
- $this->forceplugins = $this->obj_value($obj, 'forceplugins');\r
-\r
- // can't continue if there is no course or reference\r
- if (empty($this->course) || empty($this->reference)) {\r
- $this->error = get_string('error_nocourseorfilename', 'hotpot');\r
- if ($this->report_errors) {\r
- error($this->error);\r
- }\r
- return;\r
- }\r
-\r
- $this->course_homeurl = "$CFG->wwwroot/course/view.php?id=$this->course";\r
-\r
- // set filedir, filename and filepath\r
- switch ($this->location) {\r
- case HOTPOT_LOCATION_SITEFILES:\r
- $site = get_site();\r
- $this->filedir = $site->id;\r
- break;\r
-\r
- case HOTPOT_LOCATION_COURSEFILES:\r
- default:\r
- $this->filedir = $this->course;\r
- break;\r
- }\r
- $this->filesubdir = dirname($this->reference);\r
- if ($this->filesubdir=='.') {\r
- $this->filesubdir = '';\r
- }\r
- if ($this->filesubdir) {\r
- $this->filesubdir .= '/';\r
- }\r
- $this->filename = basename($this->reference);\r
- $this->fileroot = "$CFG->dataroot/$this->filedir";\r
- $this->filepath = "$this->fileroot/$this->reference";\r
-\r
- // read the file, if required\r
- if ($this->read_file) {\r
-\r
- if (!file_exists($this->filepath) || !is_readable($this->filepath)) {\r
- $this->error = get_string('error_couldnotopensourcefile', 'hotpot', $this->filepath);\r
- if ($this->report_errors) {\r
- error($this->error, $this->course_homeurl);\r
- }\r
- return;\r
- }\r
-\r
- // read in the XML source\r
- $this->source = file_get_contents($this->filepath);\r
-\r
- // convert relative URLs to absolute URLs\r
- if ($this->convert_urls) {\r
- $this->hotpot_convert_relative_urls($this->source);\r
- }\r
-\r
- $this->html = '';\r
- $this->quiztype = '';\r
- $this->outputformat = 0;\r
-\r
- // is this an html file?\r
- if (preg_match('|\.html?$|', $this->filename)) {\r
-\r
- $this->filetype = 'html';\r
- $this->html = &$this->source;\r
-\r
- // relative URLs in stylesheets\r
- $search = '|'.'(<style[^>]*>)'.'(.*?)'.'(</style>)'.'|ise';\r
- $replace = "stripslashes('\\1').hotpot_convert_stylesheets_urls('".$this->get_baseurl()."','".$this->reference."','\\2'.'\\3')";\r
- $this->source = preg_replace($search, $replace, $this->source);\r
-\r
- // relative URLs in "PreloadImages(...);"\r
- $search = '|'.'(?<='.'PreloadImages'.'\('.')'."([^)]+?)".'(?='.'\);'.')'.'|se';\r
- $replace = "hotpot_convert_preloadimages_urls('".$this->get_baseurl()."','".$this->reference."','\\1')";\r
- $this->source = preg_replace($search, $replace, $this->source);\r
-\r
- // relative URLs in <button class="NavButton" ... onclick="location='...'">\r
- $search = '|'.'(?<='.'onclick="'."location='".')'."([^']*)".'(?='."'; return false;".'")'.'|ise';\r
- $replace = "hotpot_convert_navbutton_url('".$this->get_baseurl()."','".$this->reference."','\\1','".$this->course."')";\r
- $this->source = preg_replace($search, $replace, $this->source);\r
-\r
- } else {\r
- if ($this->parse_xml) {\r
-\r
- $this->filetype = 'xml';\r
-\r
- // encode "gap fill" text in JCloze exercise\r
- $this->encode_cdata($this->source, 'gap-fill');\r
-\r
- // convert source to xml tree\r
- $this->hotpot_xml_tree($this->source);\r
-\r
- $keys = array_keys($this->xml);\r
- foreach ($keys as $key) {\r
- if (preg_match('/^(hotpot|textoys)-(\w+)-file$/i', $key, $matches)) {\r
- $this->quiztype = strtolower($matches[2]);\r
- $this->xml_root = "['$key']['#']";\r
- break;\r
- }\r
- }\r
- }\r
-\r
- if ($this->create_html) {\r
-\r
- // set the real output format from the requested output format\r
- $this->real_outputformat = $this->obj_value($obj, 'outputformat');\r
- $this->draganddrop = '';\r
- if (\r
- empty($this->real_outputformat) ||\r
- $this->real_outputformat==HOTPOT_OUTPUTFORMAT_BEST ||\r
- empty($HOTPOT_OUTPUTFORMAT_DIR[$this->real_outputformat])\r
- ) {\r
- if ($CFG->hotpotismobile && isset($HOTPOT_OUTPUTFORMAT_DIR[HOTPOT_OUTPUTFORMAT_MOBILE])) {\r
- $this->real_outputformat = HOTPOT_OUTPUTFORMAT_MOBILE;\r
- } else { // PC\r
- if ($this->quiztype=='jmatch' || $this->quiztype=='jmix') {\r
- $this->real_outputformat = HOTPOT_OUTPUTFORMAT_V6_PLUS;\r
- } else {\r
- $this->real_outputformat = HOTPOT_OUTPUTFORMAT_V6;\r
- }\r
- }\r
- }\r
-\r
- if ($this->real_outputformat==HOTPOT_OUTPUTFORMAT_V6_PLUS) {\r
- if ($this->quiztype=='jmatch' || $this->quiztype=='jmix') {\r
- $this->draganddrop = 'd'; // prefix for templates (can also be "f" ?)\r
- }\r
- $this->real_outputformat = HOTPOT_OUTPUTFORMAT_V6;\r
- }\r
-\r
- // set path(s) to template\r
- $this->template_dir = $HOTPOT_OUTPUTFORMAT_DIR[$this->real_outputformat];\r
- $this->template_dirpath = $CFG->hotpottemplate.'/'.$this->template_dir;\r
- $this->template_filepath = $CFG->hotpottemplate.'/'.$this->template_dir.'.php';\r
-\r
- // check template class exists\r
- if (!file_exists($this->template_filepath) || !is_readable($this->template_filepath)) {\r
- $this->error = get_string('error_couldnotopentemplate', 'hotpot', $this->template_dir);\r
- if ($this->report_errors) {\r
- error($this->error, $this->course_homeurl);\r
- }\r
- return;\r
- }\r
-\r
- // get default and output-specfic template classes\r
- include($this->template_filepath);\r
-\r
- // create html (using the template for the specified output format)\r
- $this->template = new hotpot_xml_quiz_template($this);\r
- $this->html = &$this->template->html;\r
-\r
- } // end $this->create_html\r
- } // end if html/xml file\r
- } // end if $this->read_file\r
- } // end constructor function\r
-\r
- function hotpot_convert_relative_urls(&$str) {\r
- $tagopen = '(?:(<)|(<)|(&#x003C;))'; // left angle bracket\r
- $tagclose = '(?(2)>|(?(3)>|(?(4)&#x003E;)))'; // right angle bracket (to match left angle bracket)\r
-\r
- $space = '\s+'; // at least one space\r
- $anychar = '(?:[^>]*?)'; // any character\r
-\r
- $quoteopen = '("|"|&quot;)'; // open quote\r
- $quoteclose = '\\5'; // close quote (to match open quote)\r
-\r
- $replace = "hotpot_convert_relative_url('".$this->get_baseurl()."', '".$this->reference."', '\\1', '\\6', '\\7')";\r
-\r
- $tags = array('script'=>'src', 'link'=>'href', 'a'=>'href','img'=>'src','param'=>'value', 'object'=>'data', 'embed'=>'src');\r
- foreach ($tags as $tag=>$attribute) {\r
- if ($tag=='param') {\r
- $url = '\S+?\.\S+?'; // must include a filename and have no spaces\r
- } else {\r
- $url = '.*?';\r
- }\r
- $search = "%($tagopen$tag$space$anychar$attribute=$quoteopen)($url)($quoteclose$anychar$tagclose)%ise";\r
- $str = preg_replace($search, $replace, $str);\r
- }\r
- }\r
-\r
- function get_baseurl() {\r
- // set the url base (first time only)\r
- if (!isset($this->baseurl)) {\r
- global $CFG;\r
- if ($CFG->slasharguments) {\r
- $this->baseurl = "$CFG->wwwroot/file.php/$this->filedir/";\r
- } else {\r
- $this->baseurl = "$CFG->wwwroot/file.php?file=/$this->filedir/";\r
- }\r
- }\r
- return $this->baseurl;\r
- }\r
-\r
-\r
- // insert forms and messages\r
-\r
- function remove_nav_buttons() {\r
- $search = '#<!-- Begin(Top|Bottom)NavButtons -->(.*?)<!-- End(Top|Bottom)NavButtons -->#s';\r
- $this->html = preg_replace($search, '', $this->html);\r
- }\r
- function insert_script($src=HOTPOT_JS) {\r
- $script = '<script src="'.$src.'" type="text/javascript" language="javascript"></script>'."\n";\r
- $this->html = preg_replace('|</head>|i', $script.'</head>', $this->html, 1);\r
- }\r
- function insert_submission_form($attemptid, $startblock, $endblock, $keep_contents=false) {\r
- $form_name = 'store';\r
- $form_fields = ''\r
- . '<input type="hidden" name="attemptid" value="'.$attemptid.'" />'\r
- . '<input type="hidden" name="starttime" value="" />'\r
- . '<input type="hidden" name="endtime" value="" />'\r
- . '<input type="hidden" name="mark" value="" />'\r
- . '<input type="hidden" name="detail" value="" />'\r
- . '<input type="hidden" name="status" value="" />'\r
- ;\r
- $this->insert_form($startblock, $endblock, $form_name, $form_fields, $keep_contents);\r
- }\r
- function insert_giveup_form($attemptid, $startblock, $endblock, $keep_contents=false) {\r
- $form_name = 'giveup';\r
- $form_fields = ''\r
- . '<input type="hidden" name="attemptid" value="'.$attemptid.'" />'\r
- . '<input type="hidden" name="status" value="'.HOTPOT_STATUS_ABANDONED.'" />'\r
- . '<input type="submit" value="'.get_string('giveup', 'hotpot').'" class="FuncButton" onfocus="FuncBtnOver(this)" onblur="FuncBtnOut(this)" onmouseover="FuncBtnOver(this)" onmouseout="FuncBtnOut(this)" onmousedown="FuncBtnDown(this)" onmouseup="FuncBtnOut(this)" />'\r
- ;\r
- $this->insert_form($startblock, $endblock, $form_name, $form_fields, $keep_contents, true);\r
- }\r
- function insert_form($startblock, $endblock, $form_name, $form_fields, $keep_contents, $center=false) {\r
- global $CFG;\r
- $search = '#('.preg_quote($startblock).')(.*?)('.preg_quote($endblock).')#s';\r
- $replace = $form_fields;\r
- if ($keep_contents) {\r
- $replace .= '\\2';\r
- }\r
- if ($form_name) {\r
- $replace = '<form action="'.$CFG->wwwroot.'/mod/hotpot/attempt.php" method="POST" name="'.$form_name.'" target="'.$CFG->framename.'">'.$replace.'</form>';\r
- }\r
- if ($center) {\r
- $replace = '<div style="margin-left:auto; margin-right:auto; text-align: center;">'.$replace.'</div>';\r
- }\r
- $replace = '\\1'.$replace.'\\3';\r
- $this->html = preg_replace($search, $replace, $this->html, 1);\r
- }\r
- function insert_message($start_str, $message, $color='red', $align='center') {\r
- $message = '<p align="'.$align.'" style="text-align:'.$align.'"><b><font color="'.$color.'">'.$message."</font></b></p>\n";\r
- $this->html = preg_replace('|'.preg_quote($start_str).'|', $start_str.$message, $this->html, 1);\r
- }\r
-\r
- function adjust_media_urls() {\r
-\r
- if ($this->forceplugins) {\r
-\r
- // make sure the Moodle media plugin is available\r
- global $CFG;\r
- include_once "$CFG->dirroot/filter/mediaplugin/filter.php";\r
-\r
- // exclude swf files from the filter\r
- //$CFG->filter_mediaplugin_ignore_swf = true;\r
-\r
- $space = '\s(?:.+\s)?';\r
- $quote = '["'."']?"; // single, double, or no quote\r
-\r
- // patterns to media files types and paths\r
- $filetype = "avi|mpeg|mpg|mp3|mov|wmv";\r
- $filepath = ".*?\.($filetype)";\r
-\r
- $tagopen = '(?:(<)|(\\\\u003C))'; // left angle-bracket (uses two parenthese)\r
- $tagclose = '(?(1)>|(?(2)\\\\u003E))'; // right angle-bracket (to match the left one)\r
- $tagreopen = '(?(1)<|(?(2)\\\\u003C))'; // another left angle-bracket (to match the first one)\r
-\r
- // pattern to match <PARAM> tags which contain the file path\r
- // wmp : url\r
- // quicktime : src\r
- // realplayer : src\r
- // flash : movie (doesn't need replacing)\r
- $param_url = "/{$tagopen}param{$space}name=$quote(?:movie|src|url)$quote{$space}value=$quote($filepath)$quote.*?$tagclose/is";\r
-\r
- // pattern to match <a> tags which link to multimedia files\r
- $link_url = "/{$tagopen}a{$space}href=$quote($filepath)$quote.*?$tagclose.*?$tagreopen\/A$tagclose/is";\r
-\r
- // extract <object> tags\r
- preg_match_all("/{$tagopen}object\s.*?{$tagclose}(.*?){$tagreopen}\/object{$tagclose}/is", $this->html, $objects);\r
-\r
- $i_max = count($objects[0]);\r
- for ($i=0; $i<$i_max; $i++) {\r
-\r
- // extract URL from <PARAM> or <A> \r
- $url = '';\r
- if (preg_match($param_url, $objects[3][$i], $matches) || preg_match($link_url, $objects[3][$i], $matches)) {\r
- $url = $matches[3];\r
- }\r
-\r
- if ($url) {\r
- // strip inner tags (e.g. <embed>)\r
- $txt = preg_replace("/$tagopen.*?$tagclose/", '', $objects[3][$i]);\r
-\r
- // if url is in the query string, remove the leading characters\r
- $url = preg_replace('/^[^?]*\?([^=]+=[^&]*&)*[^=]+=([^&]*)$/', '$2', $url, 1);\r
- $link = '<a href="'.$url.'">'.$txt.'</a>';\r
-\r
- $new_object = mediaplugin_filter($this->filedir, $link);\r
- $new_object = str_replace($link, '', $new_object);\r
- $new_object = str_replace('&', '&', $new_object);\r
-\r
- $this->html = str_replace($objects[0][$i], $new_object, $this->html);\r
- }\r
- }\r
- }\r
- }\r
-\r
-} // end class\r
-\r
-function hotpot_convert_stylesheets_urls($baseurl, $reference, $css, $stripslashes=true) {\r
- if ($stripslashes) {\r
- $css = stripslashes($css);\r
- }\r
- $search = '|'.'(?<='.'url'.'\('.')'."(.+?)".'(?='.'\)'.')'.'|ise';\r
- $replace = "hotpot_convert_url('".$baseurl."','".$reference."','\\1')";\r
- return preg_replace($search, $replace, $css);\r
-}\r
-function hotpot_convert_preloadimages_urls($baseurl, $reference, $urls, $stripslashes=true) {\r
- if ($stripslashes) {\r
- $urls = stripslashes($urls);\r
- }\r
- $search = '|(?<=["'."'])([^,'".'"]*?)(?=["'."'])|ise";\r
- $replace = "hotpot_convert_url('".$baseurl."','".$reference."','\\1')";\r
- return preg_replace($search, $replace, $urls);\r
-}\r
-function hotpot_convert_navbutton_url($baseurl, $reference, $url, $course, $stripslashes=true) {\r
- global $CFG;\r
-\r
- if ($stripslashes) {\r
- $url = stripslashes($url);\r
- }\r
- $url = hotpot_convert_url($baseurl, $reference, $url, false);\r
-\r
- // is this a $url for another hotpot in this course ?\r
- if (preg_match("|^$baseurl(.*)$|", $url, $matches)) {\r
- if ($records = get_records_select('hotpot', "course='$course' AND reference='".$matches[1]."'")) {\r
- $ids = array_keys($records);\r
- $url = "$CFG->wwwroot/mod/hotpot/view.php?hp=".$ids[0];\r
- }\r
- }\r
-\r
- return $url;\r
-}\r
-\r
-function hotpot_convert_relative_url($baseurl, $reference, $opentag, $url, $closetag, $stripslashes=true) {\r
- if ($stripslashes) {\r
- $opentag = stripslashes($opentag);\r
- $url = stripslashes($url);\r
- $closetag = stripslashes($closetag);\r
- }\r
-\r
- // catch <PARAM name="FlashVars" value="TheSound=soundfile.mp3">\r
- // ampersands can appear as "&", "&" or "&#x0026;amp;"\r
- if (preg_match('|^'.'\w+=[^&]+'.'('.'&((amp;#x0026;)?amp;)?'.'\w+=[^&]+)*'.'$|', $url)) {\r
- $query = $url;\r
- $url = '';\r
- $fragment = '';\r
-\r
- // parse the $url into $matches\r
- // [1] path\r
- // [2] query string, if any\r
- // [3] anchor fragment, if any\r
- } else if (preg_match('|^'.'([^?]*)'.'((?:\\?[^#]*)?)'.'((?:#.*)?)'.'$|', $url, $matches)) {\r
- $url = $matches[1];\r
- $query = $matches[2];\r
- $fragment = $matches[3];\r
-\r
- // these appears to be no query or fragment in this url\r
- } else {\r
- $query = '';\r
- $fragment = '';\r
- }\r
-\r
- if ($url) {\r
- $url = hotpot_convert_url($baseurl, $reference, $url, false);\r
- }\r
-\r
- if ($query) {\r
- $search = '#'.'(file|src|thesound)='."([^&]+)".'#ise';\r
- $replace = "'\\1='.hotpot_convert_url('".$baseurl."','".$reference."','\\2')";\r
- $query = preg_replace($search, $replace, $query);\r
- }\r
-\r
- $url = $opentag.$url.$query.$fragment.$closetag;\r
-\r
- return $url;\r
-}\r
-\r
-function hotpot_convert_url($baseurl, $reference, $url, $stripslashes=true) {\r
- // maintain a cache of converted urls\r
- static $HOTPOT_RELATIVE_URLS = array();\r
-\r
- if ($stripslashes) {\r
- $url = stripslashes($url);\r
- }\r
-\r
- // is this an absolute url? (or javascript pseudo url)\r
- if (preg_match('%^(http://|/|javascript:)%i', $url)) {\r
- // do nothing\r
-\r
- // has this relative url already been converted?\r
- } else if (isset($HOTPOT_RELATIVE_URLS[$url])) {\r
- $url = $HOTPOT_RELATIVE_URLS[$url];\r
-\r
- } else {\r
- $relativeurl = $url;\r
-\r
- // get the subdirectory, $dir, of the quiz $reference\r
- $dir = dirname($reference);\r
-\r
- // allow for leading "./" and "../"\r
- while (preg_match('|^(\.{1,2})/(.*)$|', $url, $matches)) {\r
- if ($matches[1]=='..') {\r
- $dir = dirname($dir);\r
- }\r
- $url = $matches[2];\r
- }\r
-\r
- // add subdirectory, $dir, to $baseurl, if necessary\r
- if ($dir && $dir<>'.') {\r
- $baseurl .= "$dir/";\r
- }\r
-\r
- // prefix $url with $baseurl\r
- $url = "$baseurl$url";\r
-\r
- // add url to cache\r
- $HOTPOT_RELATIVE_URLS[$relativeurl] = $url;\r
- }\r
- return $url;\r
-}\r
-\r
-// ===================================================\r
-// function for adding attempt questions and responses\r
-// ===================================================\r
-\r
-function hotpot_add_attempt_details(&$attempt) {\r
-\r
- // encode ampersands so that HTML entities are preserved in the XML parser\r
- // N.B. ampersands inside <![CDATA[ ]]> blocks do NOT need to be encoded\r
-\r
- $old = &$attempt->details; // shortcut to "old" details\r
- $new = '';\r
- $str_start = 0;\r
- while (($cdata_start = strpos($old, '<![CDATA[', $str_start)) && ($cdata_end = strpos($old, ']]>', $cdata_start))) {\r
- $cdata_end += 3;\r
- $new .= str_replace('&', '&', substr($old, $str_start, $cdata_start-$str_start)).substr($old, $cdata_start, $cdata_end-$cdata_start);\r
- $str_start = $cdata_end;\r
- }\r
- $new .= str_replace('&', '&', substr($old, $str_start));\r
- unset($old);\r
-\r
- // parse the attempt details as xml\r
- $details = new hotpot_xml_tree($new, "['hpjsresult']['#']");\r
-\r
- $num = -1;\r
- $q_num = -1;\r
- $question = NULL;\r
- $reponse = NULL;\r
-\r
- $i = 0;\r
- $tags = 'fields,field';\r
-\r
- while (($field="[$i]['#']") && $details->xml_value($tags, $field)) {\r
-\r
- $name = $details->xml_value($tags, $field."['fieldname'][0]['#']");\r
- $data = $details->xml_value($tags, $field."['fielddata'][0]['#']");\r
-\r
- // parse the field name into $matches\r
- // [1] quiz type\r
- // [2] attempt detail name\r
- if (preg_match('/^(\w+?)_(\w+)$/', $name, $matches)) {\r
- $quiztype = strtolower($matches[1]);\r
- $name = strtolower($matches[2]);\r
-\r
- // parse the attempt detail $name into $matches\r
- // [1] question number\r
- // [2] question detail name\r
- if (preg_match('/^q(\d+)_(\w+)$/', $name, $matches)) {\r
- $num = $matches[1];\r
- $name = strtolower($matches[2]);\r
- $data = addslashes($data);\r
-\r
- // adjust JCross question numbers\r
- if (preg_match('/^(across|down)(.*)$/', $name, $matches)) {\r
- $num .= '_'.$matches[1]; // e.g. 01_across, 02_down\r
- $name = $matches[2];\r
- if (substr($name, 0, 1)=='_') {\r
- $name = substr($name, 1); // remove leading '_'\r
- }\r
- }\r
-\r
- // is this a new question (or the first one)?\r
- if ($q_num<>$num) {\r
-\r
- // add previous question and response, if any\r
- hotpot_add_response($attempt, $question, $response);\r
-\r
- // initialize question object\r
- $question = NULL;\r
- $question->name = '';\r
- $question->text = '';\r
- $question->hotpot = $attempt->hotpot;\r
-\r
- // initialize response object\r
- $response = NULL;\r
- $response->attempt = $attempt->id;\r
-\r
- // update question number\r
- $q_num = $num;\r
- }\r
-\r
- // adjust field name and value, and set question type\r
- // (may not be necessary one day)\r
- hotpot_adjust_response_field($quiztype, $question, $num, $name, $data);\r
-\r
- // add $data to the question/response details\r
- switch ($name) {\r
- case 'name':\r
- case 'type':\r
- $question->$name = $data;\r
- break;\r
- case 'text':\r
- $question->$name = hotpot_string_id($data);\r
- break;\r
-\r
- case 'correct':\r
- case 'ignored':\r
- case 'wrong':\r
- $response->$name = hotpot_string_ids($data);\r
- break;\r
-\r
- case 'score':\r
- case 'weighting':\r
- case 'hints':\r
- case 'clues':\r
- case 'checks':\r
- $response->$name = intval($data);\r
- break;\r
- }\r
-\r
- } else { // attempt details\r
-\r
- // adjust field name and value\r
- hotpot_adjust_response_field($quiztype, $question, $num='', $name, $data);\r
-\r
- // add $data to the attempt details\r
- if ($name=='penalties') {\r
- $attempt->$name = intval($data);\r
- }\r
- }\r
- }\r
-\r
- $i++;\r
- } // end while\r
-\r
- // add the final question and response, if any\r
- hotpot_add_response($attempt, $question, $response);\r
-}\r
-function hotpot_add_response(&$attempt, &$question, &$response) {\r
- global $db, $next_url;\r
-\r
- $loopcount = 1;\r
-\r
- $looping = isset($question) && isset($question->name) && isset($response);\r
- while ($looping) {\r
-\r
- if ($loopcount==1) {\r
- $questionname = $question->name;\r
- }\r
-\r
- if (!$question->id = get_field('hotpot_questions', 'id', 'name', $question->name, 'hotpot', $attempt->hotpot)) {\r
- // add question record\r
- if (!$question->id = insert_record('hotpot_questions', $question)) {\r
- error("Could not add question record (attempt_id=$attempt->id): ".$db->ErrorMsg(), $next_url);\r
- }\r
- }\r
-\r
- if (record_exists('hotpot_responses', 'attempt', $attempt->id, 'question', $question->id)) {\r
- // there is already a response to this question for this attempt\r
- // probably because this quiz has two questions with the same text\r
- // e.g. Which one of these answers is correct?\r
-\r
- // To workaround this, we create new question names\r
- // e.g. Which one of these answers is correct? (2)\r
- // until we get a question name for which there is no response yet on this attempt\r
-\r
- $loopcount++;\r
- $question->name = "$questionname ($loopcount)";\r
-\r
- // This method fails to correctly identify questions in\r
- // quizzes which allow questions to be shuffled or omitted.\r
- // As yet, there is no workaround for such cases.\r
-\r
- } else {\r
- $response->question = $question->id;\r
-\r
- // add response record\r
- if(!$response->id = insert_record('hotpot_responses', $response)) {\r
- error("Could not add response record (attempt_id=$attempt->id, question_id=$question->id): ".$db->ErrorMsg(), $next_url);\r
- }\r
-\r
- // we can stop looping now\r
- $looping = false;\r
- }\r
- } // end while\r
-}\r
-function hotpot_adjust_response_field($quiztype, &$question, &$num, &$name, &$data) {\r
- switch ($quiztype) {\r
- case 'jbc':\r
- $question->type = HOTPOT_JCB;\r
- switch ($name) {\r
- case 'right':\r
- $name = 'correct';\r
- break;\r
- }\r
- break;\r
- case 'jcloze':\r
- $question->type = HOTPOT_JCLOZE;\r
- if (is_numeric($num)) {\r
- $question->name = $num;\r
- }\r
- switch ($name) {\r
- case 'penalties':\r
- if (is_numeric($num)) {\r
- $name = 'checks';\r
- if (is_numeric($data)) {\r
- $data++;\r
- }\r
- }\r
- break;\r
- case 'clue_shown':\r
- $name = 'clues';\r
- $data = ($data=='YES' ? 1 : 0);\r
- break;\r
- case 'clue_text':\r
- $name = 'text';\r
- break;\r
- }\r
- break;\r
- case 'jcross':\r
- $question->type = HOTPOT_JCROSS;\r
- $question->name = $num;\r
- switch ($name) {\r
- case '': // HotPot v2.0.x\r
- $name = 'correct';\r
- break;\r
- case 'clue':\r
- $name = 'text';\r
- break;\r
- }\r
- break;\r
- case 'jmatch':\r
- $question->type = HOTPOT_JMATCH;\r
- switch ($name) {\r
- case 'attempts':\r
- $name = 'penalties';\r
- if (is_numeric($data) && $data>0) {\r
- $data--;\r
- }\r
- break;\r
- case 'lhs':\r
- $name = 'name';\r
- break;\r
- case 'rhs':\r
- $name = 'correct';\r
- break;\r
- }\r
- break;\r
- case 'jmix':\r
- $question->type = HOTPOT_JMIX;\r
- $question->name = $num;\r
- switch ($name) {\r
- // keep these in for "restore" of courses\r
- // which were backed up with HotPot v2.0.x\r
- case 'wrongguesses':\r
- $name = 'checks';\r
- if (is_numeric($data)) {\r
- $data++;\r
- }\r
- break;\r
- case 'right':\r
- $name = 'correct';\r
- break;\r
- }\r
- break;\r
- break;\r
- case 'jquiz':\r
- switch ($name) {\r
- case 'type':\r
- $data = HOTPOT_JQUIZ;\r
- switch ($data) {\r
- case 'multiple-choice':\r
- $data .= '.'.HOTPOT_JQUIZ_MULTICHOICE;\r
- break;\r
- case 'short-answer':\r
- $data .= '.'.HOTPOT_JQUIZ_SHORTANSWER;\r
- break;\r
- case 'hybrid':\r
- $data .= '.'.HOTPOT_JQUIZ_HYBRID;\r
- break;\r
- case 'multi-select':\r
- $data .= '.'.HOTPOT_JQUIZ_MULTISELECT;\r
- case 'n/a':\r
- default:\r
- // do nothing more\r
- break;\r
- }\r
- break;\r
- case 'question':\r
- $name = 'name';\r
- break;\r
- }\r
- break;\r
-\r
- case 'rhubarb':\r
- $question->type = HOTPOT_TEXTOYS_RHUBARB;\r
- if (empty($question->name)) {\r
- $question->name = $num;\r
- }\r
- break;\r
-\r
- case 'sequitur':\r
- $question->type = HOTPOT_TEXTOYS_SEQUITUR;\r
- break;\r
- }\r
-}\r
-function hotpot_string_ids($field_value) {\r
- $ids = array();\r
- $strings = explode(',', $field_value);\r
- foreach($strings as $str) {\r
- if ($id = hotpot_string_id($str)) {\r
- $ids[] = $id;\r
- }\r
- }\r
- return implode(',', $ids);\r
-}\r
-function hotpot_string_id($str) {\r
- $id = '';\r
- if (isset($str) && $str<>'') {\r
-\r
- // get the id from the table if it is already there\r
- if (!$id = get_field('hotpot_strings', 'id', 'string', $str)) {\r
-\r
- // create a string record\r
- $record = NULL;\r
- $record->string = $str;\r
-\r
- // try and add the new string record\r
- if (!$id = insert_record('hotpot_strings', $record)) {\r
- global $db;\r
- error("Could not add string record for '".htmlspecialchars($str)."': ".$db->ErrorMsg());\r
- }\r
- }\r
- }\r
- return $id;\r
-}\r
-\r
-if (!function_exists('file_get_contents')) {\r
- // add this function for php version<4.3\r
- function file_get_contents($filepath) {\r
- $contents = file($filepath);\r
- if (is_array($contents)) {\r
- $contents = implode('', $contents);\r
- }\r
- return $contents;\r
- }\r
-}\r
-if (!function_exists('html_entity_decode')) {\r
- // add this function for php version<4.3\r
- function html_entity_decode($str) {\r
- $t = get_html_translation_table(HTML_ENTITIES);\r
- $t = array_flip($t);\r
- return strtr($str, $t);\r
- }\r
-\r
-}\r
-\r
-// required for Moodle 1.x\r
-if (!isset($CFG->pixpath)) {\r
- $CFG->pixpath = "$CFG->wwwroot/pix";\r
-}\r
-\r
-if (!function_exists('fullname')) {\r
- // add this function for Moodle 1.x\r
- function fullname($user) {\r
- return "$user->firstname $user->lastname";\r
- }\r
-}\r
-if (!function_exists('get_user_preferences')) {\r
- // add this function for Moodle 1.x\r
- function get_user_preferences($name=NULL, $default=NULL, $userid=NULL) {\r
- return $default;\r
- }\r
-}\r
-if (!function_exists('set_user_preference')) {\r
- // add this function for Moodle 1.x\r
- function set_user_preference($name, $value, $otheruser=NULL) {\r
- return false;\r
- }\r
-}\r
-function hotpot_utf8_to_html_entity($char) {\r
- // http://www.zend.com/codex.php?id=835&single=1\r
-\r
- // array used to figure what number to decrement from character order value\r
- // according to number of characters used to map unicode to ascii by utf-8\r
- static $HOTPOT_UTF8_DECREMENT = array(\r
- 1=>0, 2=>192, 3=>224, 4=>240\r
- );\r
-\r
- // the number of bits to shift each character by\r
- static $HOTPOT_UTF8_SHIFT = array(\r
- 1=>array(0=>0),\r
- 2=>array(0=>6, 1=>0),\r
- 3=>array(0=>12, 1=>6, 2=>0),\r
- 4=>array(0=>18, 1=>12, 2=>6, 3=>0)\r
- );\r
-\r
- $dec = 0;\r
- $len = strlen($char);\r
- for ($pos=0; $pos<$len; $pos++) {\r
- $ord = ord ($char{$pos});\r
- $ord -= ($pos ? 128 : $HOTPOT_UTF8_DECREMENT[$len]);\r
- $dec += ($ord << $HOTPOT_UTF8_SHIFT[$len][$pos]);\r
- }\r
- return '&#x'.sprintf('%04X', $dec).';';\r
-}\r
-\r
-function hotpot_print_show_links($course, $location, $reference, $actions='', $spacer=' ', $new_window=false) {\r
- global $CFG;\r
- if (is_string($actions)) {\r
- if (empty($actions)) {\r
- $actions = 'showxmlsource,showxmltree,showhtmlsource';\r
- }\r
- $actions = explode(',', $actions);\r
- }\r
- $strenterafilename = get_string('enterafilename', 'hotpot');\r
- $html = <<<END_OF_SCRIPT\r
-<script type="text/javascript" language="javascript">\r
-<!--\r
- function setLink(lnk) {\r
- var form = document.forms['form'];\r
- return setLinkAttribute(lnk, 'reference', form) && setLinkAttribute(lnk, 'location', form);\r
- }\r
- function setLinkAttribute(lnk, name, form) {\r
- // set link attribute value using\r
- // f(orm) name and e(lement) name\r
-\r
- var r = true; // result\r
-\r
- var obj = (form) ? form.elements[name] : null;\r
- if (obj) {\r
- r = false;\r
- var v = getObjValue(obj);\r
- if (v=='') {\r
- alert('$strenterafilename');\r
- } else {\r
- var s = lnk.href;\r
- var i = s.indexOf('?');\r
- if (i>=0) {\r
- i = s.indexOf(name+'=', i+1);\r
- if (i>=0) {\r
- i += name.length+1;\r
- var ii = s.indexOf('&', i);\r
- if (ii<0) {\r
- ii = s.length;\r
- }\r
- lnk.href = s.substring(0, i) + v + s.substring(ii);\r
- r = true;\r
- }\r
- }\r
- }\r
- }\r
- return r;\r
- }\r
- function getObjValue(obj) {\r
- var v = ''; // the value\r
- var t = (obj && obj.type) ? obj.type : "";\r
- if (t=="text" || t=="textarea" || t=="hidden") {\r
- v = obj.value;\r
- } else if (t=="select-one" || t=="select-multiple") {\r
- var l = obj.options.length;\r
- for (var i=0; i<l; i++) {\r
- if (obj.options[i].selected) {\r
- v += (v=="" ? "" : ",") + obj.options[i].value;\r
- }\r
- }\r
- }\r
- return v;\r
- }\r
- function getDir(s) {\r
- if (s.charAt(0)!='/') {\r
- s = '/' + s;\r
- }\r
- var i = s.lastIndexOf('/');\r
- return s.substring(0, i);\r
- }\r
-//-->\r
-</script>\r
-END_OF_SCRIPT;\r
-\r
- foreach ($actions as $action) {\r
- $html .= $spacer\r
- . '<a href="'\r
- . $CFG->wwwroot.'/mod/hotpot/show.php'\r
- . '?course='.$course.'&location='.$location.'&reference='.urlencode($reference).'&action='.$action\r
- . '"'\r
- . ' onclick="return setLink(this);"'\r
- . ($new_window ? ' target="_blank"' : '')\r
- . '>'.get_string($action, 'hotpot').'</a>'\r
- ;\r
- }\r
- print '<span class="helplink">'.$html.'</span>';\r
-}\r
-\r
-?>\r
+<?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";
+$CFG->hotpotismobile = preg_match('/Alcatel|ATTWS|DoCoMo|Doris|Hutc3G|J-PHONE|Java|KDDI|KGT|LGE|MOT|Nokia|portalmmm|ReqwirelessWeb|SAGEM|SHARP|SIE-|SonyEricsson|Teleport|UP\.Browser|UPG1|Wapagsim/', $_SERVER['HTTP_USER_AGENT']);
+
+define("HOTPOT_JS", "$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"),
+);
+$HOTPOT_OUTPUTFORMAT_DIR = array (
+ HOTPOT_OUTPUTFORMAT_V6_PLUS => 'v6',
+ HOTPOT_OUTPUTFORMAT_V6 => 'v6',
+ HOTPOT_OUTPUTFORMAT_V5_PLUS => 'v5',
+ HOTPOT_OUTPUTFORMAT_V5 => 'v5',
+ HOTPOT_OUTPUTFORMAT_V4 => 'v4',
+ HOTPOT_OUTPUTFORMAT_V3 => 'v3',
+ HOTPOT_OUTPUTFORMAT_FLASH => 'flash',
+ HOTPOT_OUTPUTFORMAT_MOBILE => 'mobile',
+);
+foreach ($HOTPOT_OUTPUTFORMAT_DIR as $format=>$dir) {
+ if (is_file("$CFG->hotpottemplate/$dir.php") && is_dir("$CFG->hotpottemplate/$dir")) {
+ // do nothing ($format is available)
+ } else {
+ // $format is not available, so remove it
+ unset($HOTPOT_OUTPUTFORMAT[$format]);
+ unset($HOTPOT_OUTPUTFORMAT_DIR[$format]);
+ }
+}
+define("HOTPOT_NAVIGATION_BAR", "1");
+define("HOTPOT_NAVIGATION_FRAME", "2");
+define("HOTPOT_NAVIGATION_IFRAME", "3");
+define("HOTPOT_NAVIGATION_BUTTONS", "4");
+define("HOTPOT_NAVIGATION_GIVEUP", "5");
+define("HOTPOT_NAVIGATION_NONE", "6");
+
+$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");
+
+$HOTPOT_QUIZTYPE = array(
+ HOTPOT_JCB => 'JCB',
+ HOTPOT_JCLOZE => 'JCloze',
+ HOTPOT_JCROSS => 'JCross',
+ HOTPOT_JMATCH => 'JMatch',
+ HOTPOT_JMIX => 'JMix',
+ HOTPOT_JQUIZ => 'JQuiz',
+ HOTPOT_TEXTOYS_RHUBARB => 'Rhubarb',
+ HOTPOT_TEXTOYS_SEQUITUR => 'Sequitur'
+);
+
+define("HOTPOT_JQUIZ_MULTICHOICE", "1");
+define("HOTPOT_JQUIZ_SHORTANSWER", "2");
+define("HOTPOT_JQUIZ_HYBRID", "3");
+define("HOTPOT_JQUIZ_MULTISELECT", "4");
+
+define("HOTPOT_GRADEMETHOD_HIGHEST", "1");
+define("HOTPOT_GRADEMETHOD_AVERAGE", "2");
+define("HOTPOT_GRADEMETHOD_FIRST", "3");
+define("HOTPOT_GRADEMETHOD_LAST", "4");
+
+$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"),
+ HOTPOT_FEEDBACK_MOODLEMESSAGING => get_string("feedbackmoodlemessaging", "hotpot"),
+);
+if (empty($CFG->messaging)) { // Moodle 1.4 (and less)
+ unset($HOTPOT_FEEDBACK[HOTPOT_FEEDBACK_MOODLEMESSAGING]);
+}
+
+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)
+
+// $hp is an object containing the values of the form in mod.html
+// i.e. all the fields in the 'hotpot' table, plus the following:
+// $hp->course : an id in the 'course' table
+// $hp->coursemodule : an id in the 'course_modules' table
+// $hp->section : an id in the 'course_sections' table
+// $hp->module : an id in the 'modules' table
+// $hp->modulename : always 'hotpot'
+// $hp->instance : an id in the 'hotpot' table
+// $hp->mode : 'add' or 'update'
+// $hp->sesskey : unique string required for Moodle's session management
+
+function hotpot_add_instance(&$hp) {
+ if (hotpot_set_form_values($hp)) {
+ $result = insert_record("hotpot", $hp);
+ } else {
+ $result= false;
+ }
+ return $result;
+}
+
+function hotpot_update_instance(&$hp) {
+ 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 { // $hp->quizchain==HOTPOT_NO
+ hotpot_set_name_summary_reference($hp);
+ }
+
+ 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;
+ default:
+ // use Moodle default action (i.e. go on to display the hotpot 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);
+ set_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 $found, if this is the course module we're looking for
+ if (isset($cm->coursemodule)) {
+ if ($id==$cm->coursemodule) {
+ $found = true;
+ }
+ } else {
+ if ($id==$cm->id) {
+ $found = true;
+ }
+ }
+
+ // is this the end of a chain
+ if (empty($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) {
+ if (!isset($cm->sectionvisible)) {
+ if ($section = get_record('course_sections', 'id', $cm->section)) {
+ $cm->sectionvisible = $section->visible;
+ } else {
+ error('Course module record contains invalid section');
+ }
+ }
+
+ if (empty($cm->sectionvisible)) {
+ $visible = HOTPOT_NO;
+ } else {
+ $visible = HOTPOT_YES;
+ if (empty($cm->visible)) {
+ if ($chain = hotpot_get_chain($cm)) {
+ $startofchain = array_shift($chain);
+ $visible = $startofchain->visible;
+ }
+ }
+ }
+ return $visible;
+}
+function hotpot_add_chain(&$hp) {
+/// add a chain of hotpot actiivities
+
+ global $CFG, $course;
+
+ $ok = true;
+ $hp->names = array();
+ $hp->summaries = array();
+ $hp->references = 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)) {
+ $hp->references[] = "$xml_quiz->reference/$file";
+ }
+ }
+ closedir($dh);
+
+ // get titles
+ foreach ($hp->references as $i=>$reference) {
+ $filepath = $xml_quiz->fileroot.'/'.$reference;
+ hotpot_get_titles_and_next_ex($hp, $filepath);
+ $hp->names[$i] = $hp->exercisetitle;
+ $hp->summaries[$i] = $hp->exercisesubtitle;
+ }
+
+ } 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->names[] = $hp->exercisetitle;
+ $hp->summaries[] = $hp->exercisesubtitle;
+ $hp->references[] = substr($xml_quiz->filepath, $filerootlength);
+
+ if ($hp->nextexercise) {
+ $filepath = $xml_quiz->fileroot.'/'.$xml_quiz->filesubdir.$hp->nextexercise;
+
+ // check file is not already in chain
+ $reference = substr($filepath, $filerootlength);
+ if (in_array($reference, $hp->references)) {
+ $filepath = '';
+ }
+ } 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->references) && empty($hp->errors['reference'])) {
+ $ok = false;
+ $hp->errors['reference'] = get_string('error_noquizzesfound', 'hotpot', $hp->reference);
+ }
+
+ if ($ok) {
+ $hp->visible = HOTPOT_YES;
+
+ if (trim($hp->name)=='') {
+ $hp->name = get_string("modulename", $hp->modulename);
+ }
+ $hp->specificname = $hp->name;
+ $hp->specificsummary = $hp->summary;
+
+ // add all except last activity in chain
+
+ $i_max = count($hp->references)-1;
+ for ($i=0; $i<$i_max; $i++) {
+
+ hotpot_set_name_summary_reference($hp, $i);
+ $hp->reference = addslashes($hp->reference);
+
+ 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", $hp->coursemodule
+ );
+
+ // hide tail of chain
+ if ($hp->shownextquiz==HOTPOT_YES) {
+ $hp->visible = HOTPOT_NO;
+ }
+ } // end for ($hp->references)
+
+ // settings for final activity in chain
+ hotpot_set_name_summary_reference($hp, $i);
+ $hp->reference = addslashes($hp->references[$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 $ok;
+}
+function hotpot_set_name_summary_reference(&$hp, $chain_index=NULL) {
+
+ $xml_quiz = NULL;
+
+ $textfields = array('name', 'summary');
+ foreach ($textfields as $textfield) {
+
+ $textsource = $textfield.'source';
+
+ // are we adding a chain?
+ if (isset($chain_index)) {
+
+ switch ($hp->$textsource) {
+ case HOTPOT_TEXTSOURCE_QUIZ:
+ if ($textfield=='name') {
+ $hp->exercisetitle = $hp->names[$chain_index];
+ } else if ($textfield=='summary') {
+ $hp->exercisesubtitle = $hp->summaries[$chain_index];
+ }
+ break;
+ case HOTPOT_TEXTSOURCE_SPECIFIC:
+ $specifictext = 'specific'.$textfield;
+ if (empty($hp->$specifictext) && trim($hp->$specifictext)=='') {
+ $hp->$textfield = '';
+ } else {
+ $hp->$textfield = $hp->$specifictext.' ('.($chain_index+1).')';
+ }
+ break;
+ }
+ $hp->reference = $hp->references[$chain_index];
+ }
+
+ if ($hp->$textsource==HOTPOT_TEXTSOURCE_QUIZ) {
+ if (empty($xml_quiz) && !isset($chain_index)) {
+ $xml_quiz = new hotpot_xml_quiz($hp, false, false, false, false, false);
+ hotpot_get_titles_and_next_ex($hp, $xml_quiz->filepath);
+ }
+ if ($textfield=='name') {
+ $hp->$textfield = addslashes($hp->exercisetitle);
+ } else if ($textfield=='summary') {
+ $hp->$textfield = addslashes($hp->exercisesubtitle);
+ }
+ }
+ switch ($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('/', ' ', $hp->reference);
+ }
+ } // end switch
+ } // end foreach
+}
+function hotpot_get_titles_and_next_ex(&$hp, $filepath, $get_next=false) {
+
+ $hp->exercisetitle = '';
+ $hp->exercisesubtitle = '';
+ $hp->nextexercise = '';
+
+ // read the quiz file source
+ if ($source = file_get_contents($filepath)) {
+
+ $next = '';
+ $title = '';
+ $subtitle = '';
+
+ if (preg_match('|\.html?$|', $filepath)) {
+ // html file
+ if (preg_match('|<h2[^>]*class="ExerciseTitle"[^>]*>(.*?)</h2>|is', $source, $matches)) {
+ $title = trim(strip_tags($matches[1]));
+ }
+ if (empty($title)) {
+ if (preg_match('|<title[^>]*>(.*?)</title>|is', $source, $matches)) {
+ $title = trim(strip_tags($matches[1]));
+ }
+ }
+ if (preg_match('|<h3[^>]*class="ExerciseSubtitle"[^>]*>(.*?)</h3>|is', $source, $matches)) {
+ $subtitle = trim(strip_tags($matches[1]));
+ }
+ if ($get_next) {
+ if (preg_match('|<div[^>]*class="NavButtonBar"[^>]*>(.*?)</div>|is', $source, $matches)) {
+ $navbuttonbar = $matches[1];
+ if (preg_match_all('|<button[^>]*class="NavButton"[^>]*onclick="'."location='([^']*)'".'[^"]*"[^>]*>|is', $navbuttonbar, $matches)) {
+ $lastbutton = count($matches[0])-1;
+ $next = $matches[1][$lastbutton];
+ }
+ }
+ }
+
+ } else {
+ // xml file (...maybe)
+ $xml_tree = new hotpot_xml_tree($source);
+ $xml_tree->filetype = '';
+
+ $keys = array_keys($xml_tree->xml);
+ foreach ($keys as $key) {
+ if (preg_match('/^(hotpot|textoys)-(\w+)-file$/i', $key, $matches)) {
+ $xml_tree->filetype = 'xml';
+ $xml_tree->xml_root = "['$key']['#']";
+ $xml_tree->quiztype = strtolower($matches[2]);
+ break;
+ }
+ }
+ if ($xml_tree->filetype=='xml') {
+
+ $title = strip_tags($xml_tree->xml_value('data,title'));
+ $subtitle = $xml_tree->xml_value('hotpot-config-file,'.$xml_tree->quiztype.',exercise-subtitle');
+
+ if ($get_next) {
+ $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)) {
+ $next = $next[0]; // in case "next-ex-url" was repeated in the xml file
+ }
+ }
+ }
+ }
+ }
+
+ $hp->nextexercise = $next;
+ $hp->exercisetitle = (empty($title) || is_array($title)) ? basename($filepath) : $title;
+ $hp->exercisesubtitle = (empty($subtitle) || is_array($subtitle)) ? $hp->exercisetitle : $subtitle;
+ }
+}
+function hotpot_get_all_instances_in_course($modulename, $course) {
+/// called from index.php
+
+ global $CFG;
+ $instances = array();
+
+ if (isset($CFG->release) && substr($CFG->release, 0, 3)>=1.2) {
+ $groupmode = 'cm.groupmode,';
+ } else {
+ $groupmode = '';
+ }
+
+ $query = "
+ SELECT
+ cm.id AS coursemodule,
+ cm.course AS course,
+ cm.module AS module,
+ cm.instance AS instance,
+ -- cm.section AS section,
+ cm.visible AS visible,
+ $groupmode
+ -- cs.section AS sectionnumber,
+ cs.section AS section,
+ cs.sequence AS sequence,
+ cs.visible AS sectionvisible,
+ thismodule.*
+ FROM
+ {$CFG->prefix}course_modules AS cm,
+ {$CFG->prefix}course_sections AS cs,
+ {$CFG->prefix}modules AS m,
+ {$CFG->prefix}$modulename AS thismodule
+ WHERE
+ m.name = '$modulename' AND
+ m.id = cm.module AND
+ cm.course = '$course->id' AND
+ cm.section = cs.id AND
+ cm.instance = thismodule.id
+ ";
+ if ($rawmods = get_records_sql($query)) {
+
+ // cache $isteacher setting
+ $isteacher = isteacher($course->id);
+
+ $explodesection = array();
+ $order = array();
+
+ foreach ($rawmods as $rawmod) {
+
+ if (empty($explodesection[$rawmod->section])) {
+ $explodesection[$rawmod->section] = true;
+
+ $coursemodules = explode(',', $rawmod->sequence);
+ foreach ($coursemodules as $i=>$coursemodule) {
+ $order[$coursemodule] = sprintf('%d.%04d', $rawmod->section, $i);
+ }
+ }
+
+ if ($isteacher) {
+ $visible = true;
+ } else if ($modulename=='hotpot') {
+ $visible = hotpot_is_visible($rawmod);
+ } else {
+ $visible = $rawmod->visible;
+ }
+
+ if ($visible) {
+ $instances[$order[$rawmod->coursemodule]] = $rawmod;
+ }
+
+ } // end foreach $modinfo
+
+ ksort($instances);
+ $instances = array_values($instances);
+ }
+
+ 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->instance==$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 (first time only)
+ 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 $CFG;
+
+ return true;
+}
+
+function hotpot_grades($hotpotid) {
+/// Must return an array of grades for a given instance of this module,
+/// indexed by user. It also returns a maximum allowed grade.
+
+ $hotpot = get_record('hotpot', 'id', $hotpotid);
+ $return->grades = hotpot_get_grades($hotpot);
+ $return->maxgrade = $hotpot->grade;
+
+ return $return;
+}
+function hotpot_get_grades($hotpot, $user_ids='') {
+ global $CFG;
+
+ $grades = array();
+
+ $weighting = $hotpot->grade / 100;
+ $precision = hotpot_get_precision($hotpot);
+
+ // set the SQL string to determine the $grade
+ $grade = "";
+ switch ($hotpot->grademethod) {
+ case HOTPOT_GRADEMETHOD_HIGHEST:
+ $grade = "ROUND(MAX(score) * $weighting, $precision) AS grade";
+ break;
+ case HOTPOT_GRADEMETHOD_AVERAGE:
+ // the 'AVG' function skips abandoned quizzes, so use SUM(score)/COUNT(id)
+ $grade = "ROUND(SUM(score)/COUNT(id) * $weighting, $precision) AS grade";
+ break;
+ case HOTPOT_GRADEMETHOD_FIRST:
+ if ($CFG->dbtype=='postgres7') {
+ $grade = "MIN(timestart||'_'||(CASE WHEN (score IS NULL) THEN '' ELSE TRIM(ROUND(score * $weighting, $precision)) END)) AS grade";
+ } else {
+ $grade = "MIN(CONCAT(timestart, '_', IF(score IS NULL, '', ROUND(score * $weighting, $precision)))) AS grade";
+ }
+ break;
+ case HOTPOT_GRADEMETHOD_LAST:
+ if ($CFG->dbtype=='postgres7') {
+ $grade = "MAX(timestart||'_'||(CASE WHEN (score IS NULL) THEN '' ELSE TRIM(ROUND(score * $weighting, $precision)) END)) AS grade";
+ } else {
+ $grade = "MAX(CONCAT(timestart, '_', IF(score IS NULL, '', ROUND(score * $weighting, $precision)))) AS grade";
+ }
+ break;
+ }
+
+ if ($grade) {
+ $userid_condition = empty($user_ids) ? '' : "AND userid IN ($user_ids) ";
+ $grades = get_records_sql_menu("
+ SELECT userid, $grade
+ FROM {$CFG->prefix}hotpot_attempts
+ WHERE timefinish>0 AND hotpot='$hotpot->id' $userid_condition
+ GROUP BY userid
+ ");
+ if ($grades) {
+ if ($hotpot->grademethod==HOTPOT_GRADEMETHOD_FIRST || $hotpot->grademethod==HOTPOT_GRADEMETHOD_LAST) {
+ // remove left hand characters in $grade (up to and including the underscore)
+ foreach ($grades as $userid=>$grade) {
+ $grades[$userid] = substr($grades[$userid], strpos($grades[$userid], '_')+1);
+ }
+ }
+ }
+ }
+
+ return $grades;
+}
+function hotpot_get_precision(&$hotpot) {
+ return ($hotpot->grademethod==HOTPOT_GRADEMETHOD_AVERAGE || $hotpot->grade<100) ? 1 : 0;
+}
+
+function hotpot_get_participants($hotpotid) {
+//Must return an array of user ids who are participants
+//for a given instance of hotpot. Must include every user involved
+//in the instance, independient of his role (student, teacher, admin...)
+//See other modules as example.
+ global $CFG;
+
+ return get_records_sql("
+ SELECT DISTINCT
+ u.id, u.id
+ FROM
+ {$CFG->prefix}user u,
+ {$CFG->prefix}hotpot_attempts a
+ WHERE
+ u.id = a.userid
+ AND a.hotpot = '$hotpotid'
+ ");
+}
+
+function hotpot_scale_used ($hotpotid, $scaleid) {
+//This function returns if a scale is being used by one hotpot
+//it it has support for grading and scales. Commented code should be
+//modified if necessary. See forum, glossary or journal modules
+//as reference.
+
+ $report = false;
+
+ //$rec = get_record("hotpot","id","$hotpotid","scale","-$scaleid");
+ //
+ //if (!empty($rec) && !empty($scaleid)) {
+ // $report = true;
+ //}
+
+ return $report;
+}
+
+//////////////////////////////////////////////////////////
+/// Any other hotpot functions go here.
+/// Each of them must have a name that starts with hotpot
+
+
+function hotpot_add_attempt($hotpotid) {
+ global $db, $CFG, $USER;
+ $time = time();
+ switch (strtolower($CFG->dbtype)) {
+ case 'mysql':
+ $timefinish = "IF(a.timefinish IS NULL, '$time', a.timefinish)";
+ $clickreportid = "IF(a.clickreportid IS NULL, a.id, a.clickreportid)";
+ break;
+ case 'postgres7':
+ $timefinish = "WHEN(a.timefinish IS NULL) THEN '$time' ELSE a.timefinish";
+ $clickreportid = "WHEN(a.clickreportid IS NULL) THEN a.id ELSE a.clickreportid";
+ break;
+ }
+
+ // set all previous "in progress" attempts at this quiz to "abandoned"
+ $db->Execute("
+ UPDATE
+ {$CFG->prefix}hotpot_attempts as a
+ SET
+ a.timefinish = $timefinish,
+ a.status = '".HOTPOT_STATUS_ABANDONED."',
+ a.clickreportid = $clickreportid
+ WHERE
+ a.hotpot='$hotpotid'
+ AND a.userid='$USER->id'
+ AND a.status='".HOTPOT_STATUS_INPROGRESS."'
+ ");
+
+ // create and add new attempt record
+ $attempt->hotpot = $hotpotid;
+ $attempt->userid = $USER->id;
+ $attempt->attempt = hotpot_get_next_attempt($hotpotid);
+ $attempt->timestart = time();
+
+ return insert_record("hotpot_attempts", $attempt);
+}
+function hotpot_get_next_attempt($hotpotid) {
+ global $USER;
+
+ // get max attempt so far
+ $i = count_records_select('hotpot_attempts', "hotpot='$hotpotid' AND userid='$USER->id'", 'MAX(attempt)');
+
+ return empty($i) ? 1 : ($i+1);
+}
+function hotpot_get_question_name($question) {
+ $name = '';
+ if (isset($question->text)) {
+ $name = hotpot_strings($question->text);
+ }
+ if (empty($name)) {
+ $name = $question->name;
+ }
+ return $name;
+}
+function hotpot_strings($ids) {
+
+ // array of ids of empty strings
+ static $HOTPOT_EMPTYSTRINGS;
+
+ if (!isset($HOTPOT_EMPTYSTRINGS)) { // first time only
+ // get ids of empty strings
+ $emptystrings = get_records_select('hotpot_strings', 'LENGTH(TRIM(string))=0');
+ $HOTPOT_EMPTYSTRINGS = empty($emptystrings) ? array() : array_keys($emptystrings);
+ }
+
+ $strings = array();
+ if (!empty($ids)) {
+ $ids = explode(',', $ids);
+ foreach ($ids as $id) {
+ if (!in_array($id, $HOTPOT_EMPTYSTRINGS)) {
+ $strings[] = hotpot_string($id);
+ }
+ }
+ }
+ return implode(',', $strings);
+}
+function hotpot_string($id) {
+ return get_field('hotpot_strings', 'string', 'id', $id);
+}
+
+//////////////////////////////////////////////////////////////////////////////////////
+/// the class definitions to handle XML trees
+
+// get the standard XML parser supplied with Moodle
+require_once("$CFG->libdir/xmlize.php");
+
+// get the default class for hotpot quiz templates
+require_once("$CFG->hotpottemplate/default.php");
+
+class hotpot_xml_tree {
+ function hotpot_xml_tree($str, $xml_root='') {
+ if (empty($str)) {
+ $this->xml = array();
+ } else {
+ if (empty($CFG->unicodedb)) {
+ $str = utf8_encode($str);
+ }
+ $this->xml = xmlize($str, 0);
+ }
+ $this->xml_root = $xml_root;
+ }
+ function xml_value($tags, $more_tags="[0]['#']") {
+
+ $tags = empty($tags) ? '' : "['".str_replace(",", "'][0]['#']['", $tags)."']";
+ eval('$value = &$this->xml'.$this->xml_root.$tags.$more_tags.';');
+
+ if (is_string($value)) {
+ if (empty($CFG->unicodedb)) {
+ $value = utf8_decode($value);
+ }
+
+ // decode angle brackets
+ $value = strtr($value, array('<'=>'<', '>'=>'>', '&'=>'&'));
+
+ // remove white space between <table>, <ul|OL|DL> and <OBJECT|EMBED> parts
+ // (so it doesn't get converted to <br />)
+ $htmltags = '('
+ . 'TABLE|/?CAPTION|/?COL|/?COLGROUP|/?TBODY|/?TFOOT|/?THEAD|/?TD|/?TH|/?TR'
+ . '|OL|UL|/?LI'
+ . '|DL|/?DT|/?DD'
+ . '|EMBED|OBJECT|APPLET|/?PARAM'
+ //. '|SELECT|/?OPTION'
+ //. '|FIELDSET|/?LEGEND'
+ //. '|FRAMESET|/?FRAME'
+ . ')'
+ ;
+
+ $space = '(\s|(<br[^>]*>))+';
+ $search = '#(<'.$htmltags.'[^>]*'.'>)'.$space.'(?='.'<)#is';
+ $value = preg_replace($search, '\\1', $value);
+
+ // replace remaining newlines with <br />
+ $value = str_replace("\n", '<br />', $value);
+
+ // encode unicode characters as HTML entities
+ // (in particular, accented charaters that have not been encoded by HP)
+
+ // unicode characters can be detected by checking the hex value of a character
+ // 00 - 7F : ascii char (roman alphabet + punctuation)
+ // 80 - BF : byte 2, 3 or 4 of a unicode char
+ // C0 - DF : 1st byte of 2-byte char
+ // E0 - EF : 1st byte of 3-byte char
+ // F0 - FF : 1st byte of 4-byte char
+ // if the string doesn't match the above, it might be
+ // 80 - FF : single-byte, non-ascii char
+ $search = '#('.'[\xc0-\xdf][\x80-\xbf]'.'|'.'[\xe0-\xef][\x80-\xbf]{2}'.'|'.'[\xf0-\xff][\x80-\xbf]{3}'.'|'.'[\x80-\xff]'.')#se';
+ $value = preg_replace($search, "hotpot_utf8_to_html_entity('\\1')", $value);
+ }
+ return $value;
+ }
+ function xml_values($tags) {
+ $i = 0;
+ $values = array();
+ while ($value = $this->xml_value($tags, "[$i]['#']")) {
+ $values[$i++] = $value;
+ }
+ return $values;
+ }
+ function obj_value(&$obj, $name) {
+ return is_object($obj) ? @$obj->$name : (is_array($obj) ? @$obj[$name] : NULL);
+ }
+ function encode_cdata(&$str, $tag) {
+
+ // conversion tables
+ static $HTML_ENTITIES = array(
+ ''' => "'",
+ '"' => '"',
+ '<' => '<',
+ '>' => '>',
+ '&' => '&',
+ );
+ static $ILLEGAL_STRINGS = array(
+ "\r" => '',
+ "\n" => '<br />',
+ ']]>' => ']]>',
+ );
+
+ // extract the $tag from the $str(ing), if possible
+ $pattern = '|(^.*<'.$tag.'[^>]*)(>.*<)(/'.$tag.'>.*$)|is';
+ if (preg_match($pattern, $str, $matches)) {
+
+ // encode problematic CDATA chars and strings
+ $matches[2] = strtr($matches[2], $ILLEGAL_STRINGS);
+
+ // if there are any ampersands in "open text"
+ // surround them by CDATA start and end markers
+ // (and convert HTML entities to plain text)
+ $search = '/>([^<]*&[^<]*)</e';
+ $replace = '"><![CDATA[".strtr("$1", $HTML_ENTITIES)."]]><"';
+ $matches[2] = preg_replace($search, $replace, $matches[2]);
+
+ $str = $matches[1].$matches[2].$matches[3];
+ }
+ }
+}
+
+class hotpot_xml_quiz extends hotpot_xml_tree {
+
+ // constructor function
+ function hotpot_xml_quiz(&$obj, $read_file=true, $parse_xml=true, $convert_urls=true, $report_errors=true, $create_html=true) {
+ // obj can be the $_GET array or a form object/array
+
+ global $CFG, $HOTPOT_OUTPUTFORMAT, $HOTPOT_OUTPUTFORMAT_DIR;
+
+ // check xmlize functions are available
+ if (! function_exists("xmlize")) {
+ error('xmlize functions are not available');
+ }
+
+ $this->read_file = $read_file;
+ $this->parse_xml = $parse_xml;
+ $this->convert_urls = $convert_urls;
+ $this->report_errors = $report_errors;
+ $this->create_html = $create_html;
+
+ // extract fields from $obj
+ // course : the course id
+ // reference : the filename within the files folder
+ // location : "site" files folder or "course" files folder
+ // navigation : type of navigation required in quiz
+ // forceplugins : force Moodle compatible media players
+ $this->course = $this->obj_value($obj, 'course');
+ $this->reference = $this->obj_value($obj, 'reference');
+ $this->location = $this->obj_value($obj, 'location');
+ $this->navigation = $this->obj_value($obj, 'navigation');
+ $this->forceplugins = $this->obj_value($obj, 'forceplugins');
+
+ // can't continue if there is no course or reference
+ if (empty($this->course) || empty($this->reference)) {
+ $this->error = get_string('error_nocourseorfilename', 'hotpot');
+ if ($this->report_errors) {
+ error($this->error);
+ }
+ return;
+ }
+
+ $this->course_homeurl = "$CFG->wwwroot/course/view.php?id=$this->course";
+
+ // set filedir, filename and filepath
+ switch ($this->location) {
+ case HOTPOT_LOCATION_SITEFILES:
+ $site = get_site();
+ $this->filedir = $site->id;
+ break;
+
+ case HOTPOT_LOCATION_COURSEFILES:
+ default:
+ $this->filedir = $this->course;
+ break;
+ }
+ $this->filesubdir = dirname($this->reference);
+ if ($this->filesubdir=='.') {
+ $this->filesubdir = '';
+ }
+ if ($this->filesubdir) {
+ $this->filesubdir .= '/';
+ }
+ $this->filename = basename($this->reference);
+ $this->fileroot = "$CFG->dataroot/$this->filedir";
+ $this->filepath = "$this->fileroot/$this->reference";
+
+ // read the file, if required
+ if ($this->read_file) {
+
+ if (!file_exists($this->filepath) || !is_readable($this->filepath)) {
+ $this->error = get_string('error_couldnotopensourcefile', 'hotpot', $this->filepath);
+ if ($this->report_errors) {
+ error($this->error, $this->course_homeurl);
+ }
+ return;
+ }
+
+ // read in the XML source
+ $this->source = file_get_contents($this->filepath);
+
+ // convert relative URLs to absolute URLs
+ if ($this->convert_urls) {
+ $this->hotpot_convert_relative_urls($this->source);
+ }
+
+ $this->html = '';
+ $this->quiztype = '';
+ $this->outputformat = 0;
+
+ // is this an html file?
+ if (preg_match('|\.html?$|', $this->filename)) {
+
+ $this->filetype = 'html';
+ $this->html = &$this->source;
+
+ // relative URLs in stylesheets
+ $search = '|'.'(<style[^>]*>)'.'(.*?)'.'(</style>)'.'|ise';
+ $replace = "stripslashes('\\1').hotpot_convert_stylesheets_urls('".$this->get_baseurl()."','".$this->reference."','\\2'.'\\3')";
+ $this->source = preg_replace($search, $replace, $this->source);
+
+ // relative URLs in "PreloadImages(...);"
+ $search = '|'.'(?<='.'PreloadImages'.'\('.')'."([^)]+?)".'(?='.'\);'.')'.'|se';
+ $replace = "hotpot_convert_preloadimages_urls('".$this->get_baseurl()."','".$this->reference."','\\1')";
+ $this->source = preg_replace($search, $replace, $this->source);
+
+ // relative URLs in <button class="NavButton" ... onclick="location='...'">
+ $search = '|'.'(?<='.'onclick="'."location='".')'."([^']*)".'(?='."'; return false;".'")'.'|ise';
+ $replace = "hotpot_convert_navbutton_url('".$this->get_baseurl()."','".$this->reference."','\\1','".$this->course."')";
+ $this->source = preg_replace($search, $replace, $this->source);
+
+ } else {
+ if ($this->parse_xml) {
+
+ $this->filetype = 'xml';
+
+ // encode "gap fill" text in JCloze exercise
+ $this->encode_cdata($this->source, 'gap-fill');
+
+ // convert source to xml tree
+ $this->hotpot_xml_tree($this->source);
+
+ $keys = array_keys($this->xml);
+ foreach ($keys as $key) {
+ if (preg_match('/^(hotpot|textoys)-(\w+)-file$/i', $key, $matches)) {
+ $this->quiztype = strtolower($matches[2]);
+ $this->xml_root = "['$key']['#']";
+ break;
+ }
+ }
+ }
+
+ if ($this->create_html) {
+
+ // set the real output format from the requested output format
+ $this->real_outputformat = $this->obj_value($obj, 'outputformat');
+ $this->draganddrop = '';
+ if (
+ empty($this->real_outputformat) ||
+ $this->real_outputformat==HOTPOT_OUTPUTFORMAT_BEST ||
+ empty($HOTPOT_OUTPUTFORMAT_DIR[$this->real_outputformat])
+ ) {
+ if ($CFG->hotpotismobile && isset($HOTPOT_OUTPUTFORMAT_DIR[HOTPOT_OUTPUTFORMAT_MOBILE])) {
+ $this->real_outputformat = HOTPOT_OUTPUTFORMAT_MOBILE;
+ } else { // PC
+ if ($this->quiztype=='jmatch' || $this->quiztype=='jmix') {
+ $this->real_outputformat = HOTPOT_OUTPUTFORMAT_V6_PLUS;
+ } else {
+ $this->real_outputformat = HOTPOT_OUTPUTFORMAT_V6;
+ }
+ }
+ }
+
+ if ($this->real_outputformat==HOTPOT_OUTPUTFORMAT_V6_PLUS) {
+ if ($this->quiztype=='jmatch' || $this->quiztype=='jmix') {
+ $this->draganddrop = 'd'; // prefix for templates (can also be "f" ?)
+ }
+ $this->real_outputformat = HOTPOT_OUTPUTFORMAT_V6;
+ }
+
+ // set path(s) to template
+ $this->template_dir = $HOTPOT_OUTPUTFORMAT_DIR[$this->real_outputformat];
+ $this->template_dirpath = $CFG->hotpottemplate.'/'.$this->template_dir;
+ $this->template_filepath = $CFG->hotpottemplate.'/'.$this->template_dir.'.php';
+
+ // check template class exists
+ if (!file_exists($this->template_filepath) || !is_readable($this->template_filepath)) {
+ $this->error = get_string('error_couldnotopentemplate', 'hotpot', $this->template_dir);
+ if ($this->report_errors) {
+ error($this->error, $this->course_homeurl);
+ }
+ return;
+ }
+
+ // get default and output-specfic template classes
+ include($this->template_filepath);
+
+ // create html (using the template for the specified output format)
+ $this->template = new hotpot_xml_quiz_template($this);
+ $this->html = &$this->template->html;
+
+ } // end $this->create_html
+ } // end if html/xml file
+ } // end if $this->read_file
+ } // end constructor function
+
+ function hotpot_convert_relative_urls(&$str) {
+ $tagopen = '(?:(<)|(<)|(&#x003C;))'; // left angle bracket
+ $tagclose = '(?(2)>|(?(3)>|(?(4)&#x003E;)))'; // right angle bracket (to match left angle bracket)
+
+ $space = '\s+'; // at least one space
+ $anychar = '(?:[^>]*?)'; // any character
+
+ $quoteopen = '("|"|&quot;)'; // open quote
+ $quoteclose = '\\5'; // close quote (to match open quote)
+
+ $replace = "hotpot_convert_relative_url('".$this->get_baseurl()."', '".$this->reference."', '\\1', '\\6', '\\7')";
+
+ $tags = array('script'=>'src', 'link'=>'href', 'a'=>'href','img'=>'src','param'=>'value', 'object'=>'data', 'embed'=>'src');
+ foreach ($tags as $tag=>$attribute) {
+ if ($tag=='param') {
+ $url = '\S+?\.\S+?'; // must include a filename and have no spaces
+ } else {
+ $url = '.*?';
+ }
+ $search = "%($tagopen$tag$space$anychar$attribute=$quoteopen)($url)($quoteclose$anychar$tagclose)%ise";
+ $str = preg_replace($search, $replace, $str);
+ }
+ }
+
+ function get_baseurl() {
+ // set the url base (first time only)
+ if (!isset($this->baseurl)) {
+ global $CFG;
+ if ($CFG->slasharguments) {
+ $this->baseurl = "$CFG->wwwroot/file.php/$this->filedir/";
+ } else {
+ $this->baseurl = "$CFG->wwwroot/file.php?file=/$this->filedir/";
+ }
+ }
+ return $this->baseurl;
+ }
+
+
+ // insert forms and messages
+
+ function remove_nav_buttons() {
+ $search = '#<!-- Begin(Top|Bottom)NavButtons -->(.*?)<!-- End(Top|Bottom)NavButtons -->#s';
+ $this->html = preg_replace($search, '', $this->html);
+ }
+ function insert_script($src=HOTPOT_JS) {
+ $script = '<script src="'.$src.'" type="text/javascript" language="javascript"></script>'."\n";
+ $this->html = preg_replace('|</head>|i', $script.'</head>', $this->html, 1);
+ }
+ function insert_submission_form($attemptid, $startblock, $endblock, $keep_contents=false) {
+ $form_name = 'store';
+ $form_fields = ''
+ . '<input type="hidden" name="attemptid" value="'.$attemptid.'" />'
+ . '<input type="hidden" name="starttime" value="" />'
+ . '<input type="hidden" name="endtime" value="" />'
+ . '<input type="hidden" name="mark" value="" />'
+ . '<input type="hidden" name="detail" value="" />'
+ . '<input type="hidden" name="status" value="" />'
+ ;
+ $this->insert_form($startblock, $endblock, $form_name, $form_fields, $keep_contents);
+ }
+ function insert_giveup_form($attemptid, $startblock, $endblock, $keep_contents=false) {
+ $form_name = 'giveup';
+ $form_fields = ''
+ . '<input type="hidden" name="attemptid" value="'.$attemptid.'" />'
+ . '<input type="hidden" name="status" value="'.HOTPOT_STATUS_ABANDONED.'" />'
+ . '<input type="submit" value="'.get_string('giveup', 'hotpot').'" class="FuncButton" onfocus="FuncBtnOver(this)" onblur="FuncBtnOut(this)" onmouseover="FuncBtnOver(this)" onmouseout="FuncBtnOut(this)" onmousedown="FuncBtnDown(this)" onmouseup="FuncBtnOut(this)" />'
+ ;
+ $this->insert_form($startblock, $endblock, $form_name, $form_fields, $keep_contents, true);
+ }
+ function insert_form($startblock, $endblock, $form_name, $form_fields, $keep_contents, $center=false) {
+ global $CFG;
+ $search = '#('.preg_quote($startblock).')(.*?)('.preg_quote($endblock).')#s';
+ $replace = $form_fields;
+ if ($keep_contents) {
+ $replace .= '\\2';
+ }
+ if ($form_name) {
+ $replace = '<form action="'.$CFG->wwwroot.'/mod/hotpot/attempt.php" method="POST" name="'.$form_name.'" target="'.$CFG->framename.'">'.$replace.'</form>';
+ }
+ if ($center) {
+ $replace = '<div style="margin-left:auto; margin-right:auto; text-align: center;">'.$replace.'</div>';
+ }
+ $replace = '\\1'.$replace.'\\3';
+ $this->html = preg_replace($search, $replace, $this->html, 1);
+ }
+ function insert_message($start_str, $message, $color='red', $align='center') {
+ $message = '<p align="'.$align.'" style="text-align:'.$align.'"><b><font color="'.$color.'">'.$message."</font></b></p>\n";
+ $this->html = preg_replace('|'.preg_quote($start_str).'|', $start_str.$message, $this->html, 1);
+ }
+
+ function adjust_media_urls() {
+
+ if ($this->forceplugins) {
+
+ // make sure the Moodle media plugin is available
+ global $CFG;
+ include_once "$CFG->dirroot/filter/mediaplugin/filter.php";
+
+ // exclude swf files from the filter
+ //$CFG->filter_mediaplugin_ignore_swf = true;
+
+ $space = '\s(?:.+\s)?';
+ $quote = '["'."']?"; // single, double, or no quote
+
+ // patterns to media files types and paths
+ $filetype = "avi|mpeg|mpg|mp3|mov|wmv";
+ $filepath = ".*?\.($filetype)";
+
+ $tagopen = '(?:(<)|(\\\\u003C))'; // left angle-bracket (uses two parenthese)
+ $tagclose = '(?(1)>|(?(2)\\\\u003E))'; // right angle-bracket (to match the left one)
+ $tagreopen = '(?(1)<|(?(2)\\\\u003C))'; // another left angle-bracket (to match the first one)
+
+ // pattern to match <PARAM> tags which contain the file path
+ // wmp : url
+ // quicktime : src
+ // realplayer : src
+ // flash : movie (doesn't need replacing)
+ $param_url = "/{$tagopen}param{$space}name=$quote(?:movie|src|url)$quote{$space}value=$quote($filepath)$quote.*?$tagclose/is";
+
+ // pattern to match <a> tags which link to multimedia files
+ $link_url = "/{$tagopen}a{$space}href=$quote($filepath)$quote.*?$tagclose.*?$tagreopen\/A$tagclose/is";
+
+ // extract <object> tags
+ preg_match_all("/{$tagopen}object\s.*?{$tagclose}(.*?){$tagreopen}\/object{$tagclose}/is", $this->html, $objects);
+
+ $i_max = count($objects[0]);
+ for ($i=0; $i<$i_max; $i++) {
+
+ // extract URL from <PARAM> or <A>
+ $url = '';
+ if (preg_match($param_url, $objects[3][$i], $matches) || preg_match($link_url, $objects[3][$i], $matches)) {
+ $url = $matches[3];
+ }
+
+ if ($url) {
+ // strip inner tags (e.g. <embed>)
+ $txt = preg_replace("/$tagopen.*?$tagclose/", '', $objects[3][$i]);
+
+ // if url is in the query string, remove the leading characters
+ $url = preg_replace('/^[^?]*\?([^=]+=[^&]*&)*[^=]+=([^&]*)$/', '$2', $url, 1);
+ $link = '<a href="'.$url.'">'.$txt.'</a>';
+
+ $new_object = mediaplugin_filter($this->filedir, $link);
+ $new_object = str_replace($link, '', $new_object);
+ $new_object = str_replace('&', '&', $new_object);
+
+ $this->html = str_replace($objects[0][$i], $new_object, $this->html);
+ }
+ }
+ }
+ }
+
+} // end class
+
+function hotpot_convert_stylesheets_urls($baseurl, $reference, $css, $stripslashes=true) {
+ if ($stripslashes) {
+ $css = stripslashes($css);
+ }
+ $search = '|'.'(?<='.'url'.'\('.')'."(.+?)".'(?='.'\)'.')'.'|ise';
+ $replace = "hotpot_convert_url('".$baseurl."','".$reference."','\\1')";
+ return preg_replace($search, $replace, $css);
+}
+function hotpot_convert_preloadimages_urls($baseurl, $reference, $urls, $stripslashes=true) {
+ if ($stripslashes) {
+ $urls = stripslashes($urls);
+ }
+ $search = '|(?<=["'."'])([^,'".'"]*?)(?=["'."'])|ise";
+ $replace = "hotpot_convert_url('".$baseurl."','".$reference."','\\1')";
+ return preg_replace($search, $replace, $urls);
+}
+function hotpot_convert_navbutton_url($baseurl, $reference, $url, $course, $stripslashes=true) {
+ global $CFG;
+
+ if ($stripslashes) {
+ $url = stripslashes($url);
+ }
+ $url = hotpot_convert_url($baseurl, $reference, $url, false);
+
+ // is this a $url for another hotpot in this course ?
+ if (preg_match("|^$baseurl(.*)$|", $url, $matches)) {
+ if ($records = get_records_select('hotpot', "course='$course' AND reference='".$matches[1]."'")) {
+ $ids = array_keys($records);
+ $url = "$CFG->wwwroot/mod/hotpot/view.php?hp=".$ids[0];
+ }
+ }
+
+ return $url;
+}
+
+function hotpot_convert_relative_url($baseurl, $reference, $opentag, $url, $closetag, $stripslashes=true) {
+ if ($stripslashes) {
+ $opentag = stripslashes($opentag);
+ $url = stripslashes($url);
+ $closetag = stripslashes($closetag);
+ }
+
+ // catch <PARAM name="FlashVars" value="TheSound=soundfile.mp3">
+ // ampersands can appear as "&", "&" or "&#x0026;amp;"
+ if (preg_match('|^'.'\w+=[^&]+'.'('.'&((amp;#x0026;)?amp;)?'.'\w+=[^&]+)*'.'$|', $url)) {
+ $query = $url;
+ $url = '';
+ $fragment = '';
+
+ // parse the $url into $matches
+ // [1] path
+ // [2] query string, if any
+ // [3] anchor fragment, if any
+ } else if (preg_match('|^'.'([^?]*)'.'((?:\\?[^#]*)?)'.'((?:#.*)?)'.'$|', $url, $matches)) {
+ $url = $matches[1];
+ $query = $matches[2];
+ $fragment = $matches[3];
+
+ // these appears to be no query or fragment in this url
+ } else {
+ $query = '';
+ $fragment = '';
+ }
+
+ if ($url) {
+ $url = hotpot_convert_url($baseurl, $reference, $url, false);
+ }
+
+ if ($query) {
+ $search = '#'.'(file|src|thesound)='."([^&]+)".'#ise';
+ $replace = "'\\1='.hotpot_convert_url('".$baseurl."','".$reference."','\\2')";
+ $query = preg_replace($search, $replace, $query);
+ }
+
+ $url = $opentag.$url.$query.$fragment.$closetag;
+
+ return $url;
+}
+
+function hotpot_convert_url($baseurl, $reference, $url, $stripslashes=true) {
+ // maintain a cache of converted urls
+ static $HOTPOT_RELATIVE_URLS = array();
+
+ if ($stripslashes) {
+ $url = stripslashes($url);
+ }
+
+ // is this an absolute url? (or javascript pseudo url)
+ if (preg_match('%^(http://|/|javascript:)%i', $url)) {
+ // do nothing
+
+ // has this relative url already been converted?
+ } else if (isset($HOTPOT_RELATIVE_URLS[$url])) {
+ $url = $HOTPOT_RELATIVE_URLS[$url];
+
+ } else {
+ $relativeurl = $url;
+
+ // get the subdirectory, $dir, of the quiz $reference
+ $dir = dirname($reference);
+
+ // allow for leading "./" and "../"
+ while (preg_match('|^(\.{1,2})/(.*)$|', $url, $matches)) {
+ if ($matches[1]=='..') {
+ $dir = dirname($dir);
+ }
+ $url = $matches[2];
+ }
+
+ // add subdirectory, $dir, to $baseurl, if necessary
+ if ($dir && $dir<>'.') {
+ $baseurl .= "$dir/";
+ }
+
+ // prefix $url with $baseurl
+ $url = "$baseurl$url";
+
+ // add url to cache
+ $HOTPOT_RELATIVE_URLS[$relativeurl] = $url;
+ }
+ return $url;
+}
+
+// ===================================================
+// function for adding attempt questions and responses
+// ===================================================
+
+function hotpot_add_attempt_details(&$attempt) {
+
+ // encode ampersands so that HTML entities are preserved in the XML parser
+ // N.B. ampersands inside <![CDATA[ ]]> blocks do NOT need to be encoded
+
+ $old = &$attempt->details; // shortcut to "old" details
+ $new = '';
+ $str_start = 0;
+ while (($cdata_start = strpos($old, '<![CDATA[', $str_start)) && ($cdata_end = strpos($old, ']]>', $cdata_start))) {
+ $cdata_end += 3;
+ $new .= str_replace('&', '&', substr($old, $str_start, $cdata_start-$str_start)).substr($old, $cdata_start, $cdata_end-$cdata_start);
+ $str_start = $cdata_end;
+ }
+ $new .= str_replace('&', '&', substr($old, $str_start));
+ unset($old);
+
+ // parse the attempt details as xml
+ $details = new hotpot_xml_tree($new, "['hpjsresult']['#']");
+
+ $num = -1;
+ $q_num = -1;
+ $question = NULL;
+ $reponse = NULL;
+
+ $i = 0;
+ $tags = 'fields,field';
+
+ while (($field="[$i]['#']") && $details->xml_value($tags, $field)) {
+
+ $name = $details->xml_value($tags, $field."['fieldname'][0]['#']");
+ $data = $details->xml_value($tags, $field."['fielddata'][0]['#']");
+
+ // parse the field name into $matches
+ // [1] quiz type
+ // [2] attempt detail name
+ if (preg_match('/^(\w+?)_(\w+)$/', $name, $matches)) {
+ $quiztype = strtolower($matches[1]);
+ $name = strtolower($matches[2]);
+
+ // parse the attempt detail $name into $matches
+ // [1] question number
+ // [2] question detail name
+ if (preg_match('/^q(\d+)_(\w+)$/', $name, $matches)) {
+ $num = $matches[1];
+ $name = strtolower($matches[2]);
+ $data = addslashes($data);
+
+ // adjust JCross question numbers
+ if (preg_match('/^(across|down)(.*)$/', $name, $matches)) {
+ $num .= '_'.$matches[1]; // e.g. 01_across, 02_down
+ $name = $matches[2];
+ if (substr($name, 0, 1)=='_') {
+ $name = substr($name, 1); // remove leading '_'
+ }
+ }
+
+ // is this a new question (or the first one)?
+ if ($q_num<>$num) {
+
+ // add previous question and response, if any
+ hotpot_add_response($attempt, $question, $response);
+
+ // initialize question object
+ $question = NULL;
+ $question->name = '';
+ $question->text = '';
+ $question->hotpot = $attempt->hotpot;
+
+ // initialize response object
+ $response = NULL;
+ $response->attempt = $attempt->id;
+
+ // update question number
+ $q_num = $num;
+ }
+
+ // adjust field name and value, and set question type
+ // (may not be necessary one day)
+ hotpot_adjust_response_field($quiztype, $question, $num, $name, $data);
+
+ // add $data to the question/response details
+ switch ($name) {
+ case 'name':
+ case 'type':
+ $question->$name = $data;
+ break;
+ case 'text':
+ $question->$name = hotpot_string_id($data);
+ break;
+
+ case 'correct':
+ case 'ignored':
+ case 'wrong':
+ $response->$name = hotpot_string_ids($data);
+ break;
+
+ case 'score':
+ case 'weighting':
+ case 'hints':
+ case 'clues':
+ case 'checks':
+ $response->$name = intval($data);
+ break;
+ }
+
+ } else { // attempt details
+
+ // adjust field name and value
+ hotpot_adjust_response_field($quiztype, $question, $num='', $name, $data);
+
+ // add $data to the attempt details
+ if ($name=='penalties') {
+ $attempt->$name = intval($data);
+ }
+ }
+ }
+
+ $i++;
+ } // end while
+
+ // add the final question and response, if any
+ hotpot_add_response($attempt, $question, $response);
+}
+function hotpot_add_response(&$attempt, &$question, &$response) {
+ global $db, $next_url;
+
+ $loopcount = 1;
+
+ $looping = isset($question) && isset($question->name) && isset($response);
+ while ($looping) {
+
+ if ($loopcount==1) {
+ $questionname = $question->name;
+ }
+
+ if (!$question->id = get_field('hotpot_questions', 'id', 'name', $question->name, 'hotpot', $attempt->hotpot)) {
+ // add question record
+ if (!$question->id = insert_record('hotpot_questions', $question)) {
+ error("Could not add question record (attempt_id=$attempt->id): ".$db->ErrorMsg(), $next_url);
+ }
+ }
+
+ if (record_exists('hotpot_responses', 'attempt', $attempt->id, 'question', $question->id)) {
+ // there is already a response to this question for this attempt
+ // probably because this quiz has two questions with the same text
+ // e.g. Which one of these answers is correct?
+
+ // To workaround this, we create new question names
+ // e.g. Which one of these answers is correct? (2)
+ // until we get a question name for which there is no response yet on this attempt
+
+ $loopcount++;
+ $question->name = "$questionname ($loopcount)";
+
+ // This method fails to correctly identify questions in
+ // quizzes which allow questions to be shuffled or omitted.
+ // As yet, there is no workaround for such cases.
+
+ } else {
+ $response->question = $question->id;
+
+ // add response record
+ if(!$response->id = insert_record('hotpot_responses', $response)) {
+ error("Could not add response record (attempt_id=$attempt->id, question_id=$question->id): ".$db->ErrorMsg(), $next_url);
+ }
+
+ // we can stop looping now
+ $looping = false;
+ }
+ } // end while
+}
+function hotpot_adjust_response_field($quiztype, &$question, &$num, &$name, &$data) {
+ switch ($quiztype) {
+ case 'jbc':
+ $question->type = HOTPOT_JCB;
+ switch ($name) {
+ case 'right':
+ $name = 'correct';
+ break;
+ }
+ break;
+ case 'jcloze':
+ $question->type = HOTPOT_JCLOZE;
+ if (is_numeric($num)) {
+ $question->name = $num;
+ }
+ switch ($name) {
+ case 'penalties':
+ if (is_numeric($num)) {
+ $name = 'checks';
+ if (is_numeric($data)) {
+ $data++;
+ }
+ }
+ break;
+ case 'clue_shown':
+ $name = 'clues';
+ $data = ($data=='YES' ? 1 : 0);
+ break;
+ case 'clue_text':
+ $name = 'text';
+ break;
+ }
+ break;
+ case 'jcross':
+ $question->type = HOTPOT_JCROSS;
+ $question->name = $num;
+ switch ($name) {
+ case '': // HotPot v2.0.x
+ $name = 'correct';
+ break;
+ case 'clue':
+ $name = 'text';
+ break;
+ }
+ break;
+ case 'jmatch':
+ $question->type = HOTPOT_JMATCH;
+ switch ($name) {
+ case 'attempts':
+ $name = 'penalties';
+ if (is_numeric($data) && $data>0) {
+ $data--;
+ }
+ break;
+ case 'lhs':
+ $name = 'name';
+ break;
+ case 'rhs':
+ $name = 'correct';
+ break;
+ }
+ break;
+ case 'jmix':
+ $question->type = HOTPOT_JMIX;
+ $question->name = $num;
+ switch ($name) {
+ // keep these in for "restore" of courses
+ // which were backed up with HotPot v2.0.x
+ case 'wrongguesses':
+ $name = 'checks';
+ if (is_numeric($data)) {
+ $data++;
+ }
+ break;
+ case 'right':
+ $name = 'correct';
+ break;
+ }
+ break;
+ break;
+ case 'jquiz':
+ switch ($name) {
+ case 'type':
+ $data = HOTPOT_JQUIZ;
+ switch ($data) {
+ case 'multiple-choice':
+ $data .= '.'.HOTPOT_JQUIZ_MULTICHOICE;
+ break;
+ case 'short-answer':
+ $data .= '.'.HOTPOT_JQUIZ_SHORTANSWER;
+ break;
+ case 'hybrid':
+ $data .= '.'.HOTPOT_JQUIZ_HYBRID;
+ break;
+ case 'multi-select':
+ $data .= '.'.HOTPOT_JQUIZ_MULTISELECT;
+ case 'n/a':
+ default:
+ // do nothing more
+ break;
+ }
+ break;
+ case 'question':
+ $name = 'name';
+ break;
+ }
+ break;
+
+ case 'rhubarb':
+ $question->type = HOTPOT_TEXTOYS_RHUBARB;
+ if (empty($question->name)) {
+ $question->name = $num;
+ }
+ break;
+
+ case 'sequitur':
+ $question->type = HOTPOT_TEXTOYS_SEQUITUR;
+ break;
+ }
+}
+function hotpot_string_ids($field_value) {
+ $ids = array();
+ $strings = explode(',', $field_value);
+ foreach($strings as $str) {
+ if ($id = hotpot_string_id($str)) {
+ $ids[] = $id;
+ }
+ }
+ return implode(',', $ids);
+}
+function hotpot_string_id($str) {
+ $id = '';
+ if (isset($str) && $str<>'') {
+
+ // get the id from the table if it is already there
+ if (!$id = get_field('hotpot_strings', 'id', 'string', $str)) {
+
+ // create a string record
+ $record = NULL;
+ $record->string = $str;
+
+ // try and add the new string record
+ if (!$id = insert_record('hotpot_strings', $record)) {
+ global $db;
+ error("Could not add string record for '".htmlspecialchars($str)."': ".$db->ErrorMsg());
+ }
+ }
+ }
+ return $id;
+}
+
+if (!function_exists('file_get_contents')) {
+ // add this function for php version<4.3
+ function file_get_contents($filepath) {
+ $contents = file($filepath);
+ if (is_array($contents)) {
+ $contents = implode('', $contents);
+ }
+ return $contents;
+ }
+}
+if (!function_exists('html_entity_decode')) {
+ // add this function for php version<4.3
+ function html_entity_decode($str) {
+ $t = get_html_translation_table(HTML_ENTITIES);
+ $t = array_flip($t);
+ return strtr($str, $t);
+ }
+
+}
+
+// required for Moodle 1.x
+if (!isset($CFG->pixpath)) {
+ $CFG->pixpath = "$CFG->wwwroot/pix";
+}
+
+if (!function_exists('fullname')) {
+ // add this function for Moodle 1.x
+ function fullname($user) {
+ return "$user->firstname $user->lastname";
+ }
+}
+if (!function_exists('get_user_preferences')) {
+ // add this function for Moodle 1.x
+ function get_user_preferences($name=NULL, $default=NULL, $userid=NULL) {
+ return $default;
+ }
+}
+if (!function_exists('set_user_preference')) {
+ // add this function for Moodle 1.x
+ function set_user_preference($name, $value, $otheruser=NULL) {
+ return false;
+ }
+}
+function hotpot_utf8_to_html_entity($char) {
+ // http://www.zend.com/codex.php?id=835&single=1
+
+ // array used to figure what number to decrement from character order value
+ // according to number of characters used to map unicode to ascii by utf-8
+ static $HOTPOT_UTF8_DECREMENT = array(
+ 1=>0, 2=>192, 3=>224, 4=>240
+ );
+
+ // the number of bits to shift each character by
+ static $HOTPOT_UTF8_SHIFT = array(
+ 1=>array(0=>0),
+ 2=>array(0=>6, 1=>0),
+ 3=>array(0=>12, 1=>6, 2=>0),
+ 4=>array(0=>18, 1=>12, 2=>6, 3=>0)
+ );
+
+ $dec = 0;
+ $len = strlen($char);
+ for ($pos=0; $pos<$len; $pos++) {
+ $ord = ord ($char{$pos});
+ $ord -= ($pos ? 128 : $HOTPOT_UTF8_DECREMENT[$len]);
+ $dec += ($ord << $HOTPOT_UTF8_SHIFT[$len][$pos]);
+ }
+ return '&#x'.sprintf('%04X', $dec).';';
+}
+
+function hotpot_print_show_links($course, $location, $reference, $actions='', $spacer=' ', $new_window=false) {
+ global $CFG;
+ if (is_string($actions)) {
+ if (empty($actions)) {
+ $actions = 'showxmlsource,showxmltree,showhtmlsource';
+ }
+ $actions = explode(',', $actions);
+ }
+ $strenterafilename = get_string('enterafilename', 'hotpot');
+ $html = <<<END_OF_SCRIPT
+<script type="text/javascript" language="javascript">
+<!--
+ function setLink(lnk) {
+ var form = document.forms['form'];
+ return setLinkAttribute(lnk, 'reference', form) && setLinkAttribute(lnk, 'location', form);
+ }
+ function setLinkAttribute(lnk, name, form) {
+ // set link attribute value using
+ // f(orm) name and e(lement) name
+
+ var r = true; // result
+
+ var obj = (form) ? form.elements[name] : null;
+ if (obj) {
+ r = false;
+ var v = getObjValue(obj);
+ if (v=='') {
+ alert('$strenterafilename');
+ } else {
+ var s = lnk.href;
+ var i = s.indexOf('?');
+ if (i>=0) {
+ i = s.indexOf(name+'=', i+1);
+ if (i>=0) {
+ i += name.length+1;
+ var ii = s.indexOf('&', i);
+ if (ii<0) {
+ ii = s.length;
+ }
+ lnk.href = s.substring(0, i) + v + s.substring(ii);
+ r = true;
+ }
+ }
+ }
+ }
+ return r;
+ }
+ function getObjValue(obj) {
+ var v = ''; // the value
+ var t = (obj && obj.type) ? obj.type : "";
+ if (t=="text" || t=="textarea" || t=="hidden") {
+ v = obj.value;
+ } else if (t=="select-one" || t=="select-multiple") {
+ var l = obj.options.length;
+ for (var i=0; i<l; i++) {
+ if (obj.options[i].selected) {
+ v += (v=="" ? "" : ",") + obj.options[i].value;
+ }
+ }
+ }
+ return v;
+ }
+ function getDir(s) {
+ if (s.charAt(0)!='/') {
+ s = '/' + s;
+ }
+ var i = s.lastIndexOf('/');
+ return s.substring(0, i);
+ }
+//-->
+</script>
+END_OF_SCRIPT;
+
+ foreach ($actions as $action) {
+ $html .= $spacer
+ . '<a href="'
+ . $CFG->wwwroot.'/mod/hotpot/show.php'
+ . '?course='.$course.'&location='.$location.'&reference='.urlencode($reference).'&action='.$action
+ . '"'
+ . ' onclick="return setLink(this);"'
+ . ($new_window ? ' target="_blank"' : '')
+ . '>'.get_string($action, 'hotpot').'</a>'
+ ;
+ }
+ print '<span class="helplink">'.$html.'</span>';
+}
+
+?>