PHP hotpot_is_visible函数代码示例

    }
    if (!($course = get_record("course", "id", $hotpot->course))) {
        error("Course is misconfigured");
    }
    if (!($cm = get_coursemodule_from_instance("hotpot", $hotpot->id, $course->id))) {
        error("Course Module ID was incorrect");
    }
}
// get the roles context for this course
$sitecontext = get_context_instance(CONTEXT_SYSTEM);
$modulecontext = get_context_instance(CONTEXT_MODULE, $cm->id);
// set homeurl of couse (for error messages)
$course_homeurl = "{$CFG->wwwroot}/course/view.php?id={$course->id}";
require_login($course);
// check user can access this hotpot activity
if (!hotpot_is_visible($cm)) {
    print_error("activityiscurrentlyhidden");
}
// get report mode
if (has_capability('mod/hotpot:viewreport', $modulecontext)) {
    $mode = optional_param('mode', 'overview', PARAM_ALPHA);
} else {
    // ordinary students have no choice
    $mode = 'overview';
}
// assemble array of form data
$formdata = array('mode' => $mode, 'reportusers' => has_capability('mod/hotpot:viewreport', $modulecontext) ? optional_param('reportusers', get_user_preferences('hotpot_reportusers', 'allusers'), PARAM_ALPHANUM) : 'this', 'reportattempts' => optional_param('reportattempts', get_user_preferences('hotpot_reportattempts', 'all'), PARAM_ALPHA), 'reportformat' => optional_param('reportformat', 'htm', PARAM_ALPHA), 'reportshowlegend' => optional_param('reportshowlegend', get_user_preferences('hotpot_reportshowlegend', '0'), PARAM_INT), 'reportencoding' => optional_param('reportencoding', get_user_preferences('hotpot_reportencoding', ''), PARAM_ALPHANUM), 'reportwrapdata' => optional_param('reportwrapdata', get_user_preferences('hotpot_reportwrapdata', '1'), PARAM_INT));
foreach ($formdata as $name => $value) {
    set_user_preference("hotpot_{$name}", $value);
}
/// Start the report

} else {
    if (isset($USER->display[$course->id])) {
        $displaysection = $USER->display[$course->id];
    } else {
        $displaysection = 0;
    }
}
// Get all hotpot instances in this course
$hotpots = array();
if ($hotpot_instances = hotpot_get_all_instances_in_course('hotpot', $course)) {
    foreach ($hotpot_instances as $hotpot_instance) {
        if ($displaysection > 0 && $hotpot_instance->section > 0 && $displaysection != $hotpot_instance->section) {
            // do nothing (user is not diplaying this section)
        } else {
            $cm = get_coursemodule_from_instance('hotpot', $hotpot_instance->id);
            if ($cm && hotpot_is_visible($cm)) {
                $hotpots[$hotpot_instance->id] = $hotpot_instance;
            }
        }
    }
}
if (empty($hotpots)) {
    notice(get_string('thereareno', 'moodle', $strmodulenameplural), $next_url);
    exit;
}
$hotpotids = implode(',', array_keys($hotpots));
if (has_capability('mod/hotpot:grade', $sitecontext)) {
    // array of hotpots to be regraded
    $regrade_hotpots = array();
    // do we need to regrade any or all of the hotpots?
    $regrade = optional_param('regrade', 0, PARAM_SEQUENCE);

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 = '';
    }
    $query = "\n        SELECT\n            cm.id AS coursemodule,\n            cm.course AS course,\n            cm.module AS module,\n            cm.instance AS instance,\n            -- cm.section AS section,\n            cm.visible AS visible,\n            {$groupmode}\n            -- cs.section AS sectionnumber,\n            cs.section AS section,\n            cs.sequence AS sequence,\n            cs.visible AS sectionvisible,\n            thismodule.*\n        FROM\n            {$CFG->prefix}course_modules cm,\n            {$CFG->prefix}course_sections cs,\n            {$CFG->prefix}modules m,\n            {$CFG->prefix}{$modulename} thismodule\n        WHERE\n            m.name = '{$modulename}' AND\n            m.id = cm.module AND\n            cm.course = '{$course->id}' AND\n            cm.section = cs.id AND\n            cm.instance = thismodule.id\n    ";
    if ($rawmods = get_records_sql($query)) {
        // cache $isteacher setting
        $isteacher = has_capability('mod/hotpot:viewreport', get_context_instance(CONTEXT_COURSE, $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;
}

/**
 * @global object
 * @global object
 * @param string $modulename
 * @param object $course
 * @return array
 */
function hotpot_get_all_instances_in_course($modulename, $course)
{
    /// called from index.php
    global $CFG, $DB;
    $instances = array();
    $query = "\n        SELECT\n            cm.id AS coursemodule,\n            cm.course AS course,\n            cm.module AS module,\n            cm.instance AS instance,\n            -- cm.section AS section,\n            cm.visible AS visible,\n            cm.groupmode,\n            -- cs.section AS sectionnumber,\n            cs.section AS section,\n            cs.sequence AS sequence,\n            cs.visible AS sectionvisible,\n            thismodule.*\n        FROM\n            {course_modules} cm,\n            {course_sections} cs,\n            {modules} m,\n            {" . $modulename . "} thismodule\n        WHERE\n            m.name = :modulename AND\n            m.id = cm.module AND\n            cm.course = :courseid AND\n            cm.section = cs.id AND\n            cm.instance = thismodule.id\n    ";
    $params = array('modulename' => $modulename, 'courseid' => $course->id);
    if ($rawmods = $DB->get_records_sql($query, $params)) {
        // cache $isteacher setting
        $isteacher = has_capability('mod/hotpot:viewreport', get_context_instance(CONTEXT_COURSE, $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;
}