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added scorm 2004 sequencing/navigation support

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This commit is contained in:
bobopinna 2007-01-16 14:05:52 +00:00
parent 10fd330f38
commit 2347a35113
1 changed files with 29 additions and 4 deletions
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33
mod/scorm/datamodel.php
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@ -5,8 +5,8 @@
$id = optional_param('id', '', PARAM_INT); // Course Module ID, or
$a = optional_param('a', '', PARAM_INT); // scorm ID
$scoid = required_param('scoid', PARAM_INT); // sco ID
// $attempt = required_param('attempt', PARAM_INT); // attempt number
$attempt = $SESSION->scorm_attempt;
$attempt = required_param('attempt', PARAM_INT); // attempt number
// $attempt = $SESSION->scorm_attempt;
if (!empty($id)) {
@ -37,13 +37,35 @@
if (confirm_sesskey() && (!empty($scoid))) {
$result = true;
$request = null;
if (has_capability('mod/scorm:savetrack', get_context_instance(CONTEXT_MODULE,$cm->id))) {
foreach ($_POST as $element => $value) {
$element = str_replace('__','.',$element);
if (substr($element,0,3) == 'cmi') {
$element = str_replace('__','.',$element);
$element = preg_replace('/_(\d+)/',".\$1",$element);
$element = preg_replace('/N(\d+)/',".\$1",$element);
$result = scorm_insert_track($USER->id, $scorm->id, $scoid, $attempt, $element, $value) && $result;
}
if (substr($element,0,15) == 'adl.nav.request') {
// SCORM 2004 Sequencing Request
require_once('datamodels/scorm_13lib.php');
$search = array('@continue@', '@previous@', '@\{target=(\S+)\}choice@', '@exit@', '@exitAll@', '@abandon@', '@abandonAll@');
$replace = array('continue_', 'previous_', '\1', 'exit_', 'exitall_', 'abandon_', 'abandonall');
$action = preg_replace($search, $replace, $value);
if ($action != $value) {
// Evaluating navigation request
$valid = scorm_sequencing_overall ($scoid,$USER->id,$action);
// Set valid request
$search = array('@continue@', '@previous@', '@\{target=(\S+)\}choice@');
$replace = array('true', 'true', 'true');
$matched = preg_replace($search, $replace, $value);
if ($matched == 'true') {
$request = 'adl.nav.request_valid["'.$action.'"] = "'.$valid.'";';
}
}
}
}
}
if ($result) {
@ -51,6 +73,9 @@
} else {
echo "false\n101";
}
if ($request != null) {
echo "\n".$request;
}
}
?>