PHP course_format_ajax_support函数代码示例

/**
 * Determine whether course ajax should be enabled for the specified course
 *
 * @param stdClass $course The course to test against
 * @return boolean Whether course ajax is enabled or note
 */
function course_ajax_enabled($course)
{
    global $CFG, $PAGE, $SITE;
    // Ajax must be enabled globally
    if (!$CFG->enableajax) {
        return false;
    }
    // The user must be editing for AJAX to be included
    if (!$PAGE->user_is_editing()) {
        return false;
    }
    // Check that the theme suports
    if (!$PAGE->theme->enablecourseajax) {
        return false;
    }
    // Check that the course format supports ajax functionality
    // The site 'format' doesn't have information on course format support
    if ($SITE->id !== $course->id) {
        $courseformatajaxsupport = course_format_ajax_support($course->format);
        if (!$courseformatajaxsupport->capable) {
            return false;
        }
    }
    // All conditions have been met so course ajax should be enabled
    return true;
}

/**
 * Include the relevant javascript and language strings for the resource
 * toolbox YUI module
 *
 * @param integer $id The ID of the course being applied to
 * @param array $modules An array containing the names of the modules in
 *                       use on the page
 * @param object $config An object containing configuration parameters for ajax modules including:
 *          * resourceurl   The URL to post changes to for resource changes
 *          * sectionurl    The URL to post changes to for section changes
 *          * pageparams    Additional parameters to pass through in the post
 * @return void
 */
function include_course_ajax($course, $modules = array(), $config = null)
{
    global $PAGE, $CFG, $USER;
    // Ensure that ajax should be included
    $courseformatajaxsupport = course_format_ajax_support($course->format);
    if (!$CFG->enablecourseajax || !$PAGE->theme->enablecourseajax || !$CFG->enableajax || empty($USER->editing) || !$PAGE->user_is_editing() || $course->id != SITEID && !$courseformatajaxsupport->capable) {
        return;
    }
    if (!$config) {
        $config = new stdClass();
    }
    // The URL to use for resource changes
    if (!isset($config->resourceurl)) {
        $config->resourceurl = '/course/rest.php';
    }
    // The URL to use for section changes
    if (!isset($config->sectionurl)) {
        $config->sectionurl = '/course/rest.php';
    }
    // Any additional parameters which need to be included on page submission
    if (!isset($config->pageparams)) {
        $config->pageparams = array();
    }
    // Include toolboxes
    $PAGE->requires->yui_module('moodle-course-toolboxes', 'M.course.init_resource_toolbox', array(array('courseid' => $course->id, 'ajaxurl' => $config->resourceurl, 'config' => $config)));
    $PAGE->requires->yui_module('moodle-course-toolboxes', 'M.course.init_section_toolbox', array(array('courseid' => $course->id, 'format' => $course->format, 'ajaxurl' => $config->sectionurl, 'config' => $config)));
    // Include course dragdrop
    if ($course->id != SITEID) {
        $PAGE->requires->yui_module('moodle-course-dragdrop', 'M.core_course.init_section_dragdrop', array(array('courseid' => $course->id, 'ajaxurl' => $config->sectionurl, 'config' => $config)), null, true);
        $PAGE->requires->yui_module('moodle-course-dragdrop', 'M.core_course.init_resource_dragdrop', array(array('courseid' => $course->id, 'ajaxurl' => $config->resourceurl, 'config' => $config)), null, true);
    }
    // Include blocks dragdrop
    $params = array('courseid' => $course->id, 'pagetype' => $PAGE->pagetype, 'pagelayout' => $PAGE->pagelayout, 'regions' => $PAGE->blocks->get_regions());
    $PAGE->requires->yui_module('moodle-core-blocks', 'M.core_blocks.init_dragdrop', array($params), null, true);
    // Require various strings for the command toolbox
    $PAGE->requires->strings_for_js(array('moveleft', 'deletechecktype', 'deletechecktypename', 'show', 'hide', 'groupsnone', 'groupsvisible', 'groupsseparate', 'clicktochangeinbrackets', 'markthistopic', 'markedthistopic', 'move', 'movesection'), 'moodle');
    // Include format-specific strings
    if ($course->id != SITEID) {
        $PAGE->requires->strings_for_js(array('showfromothers', 'hidefromothers'), 'format_' . $course->format);
    }
    // For confirming resource deletion we need the name of the module in question
    foreach ($modules as $module => $modname) {
        $PAGE->requires->string_for_js('pluginname', $module);
    }
}

                // are seen immediately on the navigation.
                $PAGE->navigation->clear_cache();
            }
        }
    }
} else {
    $USER->editing = 0;
}
$SESSION->fromdiscussion = $CFG->wwwroot . '/course/view.php?id=' . $course->id;
if ($course->id == SITEID) {
    // This course is not a real course.
    redirect($CFG->wwwroot . '/');
}
// AJAX-capable course format?
$useajax = false;
$formatajax = course_format_ajax_support($course->format);
if (!empty($CFG->enablecourseajax) and $formatajax->capable and !empty($USER->editing) and ajaxenabled($formatajax->testedbrowsers) and $PAGE->theme->enablecourseajax and has_capability('moodle/course:manageactivities', $context)) {
    $PAGE->requires->yui2_lib('dragdrop');
    $PAGE->requires->yui2_lib('connection');
    $PAGE->requires->yui2_lib('selector');
    $PAGE->requires->js('/lib/ajax/block_classes.js', true);
    $PAGE->requires->js('/lib/ajax/section_classes.js', true);
    // Okay, global variable alert. VERY UGLY. We need to create
    // this object here before the <blockname>_print_block()
    // function is called, since that function needs to set some
    // stuff in the javascriptportal object.
    $COURSE->javascriptportal = new jsportal();
    $useajax = true;
}
$CFG->blocksdrag = $useajax;
// this will add a new class to the header so we can style differently