PHP question_extend_settings_navigation函数代码示例

 /**
  * This function loads all of the front page settings into the settings navigation.
  * This function is called when the user is on the front page, or $COURSE==$SITE
  * @param bool $forceopen (optional)
  * @return navigation_node
  */
 protected function load_front_page_settings($forceopen = false)
 {
     global $SITE, $CFG;
     $course = clone $SITE;
     $coursecontext = get_context_instance(CONTEXT_COURSE, $course->id);
     // Course context
     $frontpage = $this->add(get_string('frontpagesettings'), null, self::TYPE_SETTING, null, 'frontpage');
     if ($forceopen) {
         $frontpage->force_open();
     }
     $frontpage->id = 'frontpagesettings';
     if (has_capability('moodle/course:update', $coursecontext)) {
         // Add the turn on/off settings
         $url = new moodle_url('/course/view.php', array('id' => $course->id, 'sesskey' => sesskey()));
         if ($this->page->user_is_editing()) {
             $url->param('edit', 'off');
             $editstring = get_string('turneditingoff');
         } else {
             $url->param('edit', 'on');
             $editstring = get_string('turneditingon');
         }
         $frontpage->add($editstring, $url, self::TYPE_SETTING, null, null, new pix_icon('i/edit', ''));
         // Add the course settings link
         $url = new moodle_url('/admin/settings.php', array('section' => 'frontpagesettings'));
         $frontpage->add(get_string('editsettings'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/settings', ''));
     }
     // add enrol nodes
     enrol_add_course_navigation($frontpage, $course);
     // Manage filters
     if (has_capability('moodle/filter:manage', $coursecontext) && count(filter_get_available_in_context($coursecontext)) > 0) {
         $url = new moodle_url('/filter/manage.php', array('contextid' => $coursecontext->id));
         $frontpage->add(get_string('filters', 'admin'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/filter', ''));
     }
     // Backup this course
     if (has_capability('moodle/backup:backupcourse', $coursecontext)) {
         $url = new moodle_url('/backup/backup.php', array('id' => $course->id));
         $frontpage->add(get_string('backup'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/backup', ''));
     }
     // Restore to this course
     if (has_capability('moodle/restore:restorecourse', $coursecontext)) {
         $url = new moodle_url('/backup/restorefile.php', array('contextid' => $coursecontext->id));
         $frontpage->add(get_string('restore'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/restore', ''));
     }
     // Questions
     require_once $CFG->libdir . '/questionlib.php';
     question_extend_settings_navigation($frontpage, $coursecontext)->trim_if_empty();
     // Manage files
     if ($course->legacyfiles == 2 and has_capability('moodle/course:managefiles', $this->context)) {
         //hiden in new installs
         $url = new moodle_url('/files/index.php', array('contextid' => $coursecontext->id, 'itemid' => 0, 'component' => 'course', 'filearea' => 'legacy'));
         $frontpage->add(get_string('sitelegacyfiles'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/files', ''));
     }
     return $frontpage;
 }

//.........这里部分代码省略.........
                     if (has_capability('gradereport/' . $plugin . ':view', $coursecontext)) {
                         //stop when the first visible plugin is found
                         $reportavailable = true;
                         break;
                     }
                 }
             }
         }
     }
     if ($reportavailable) {
         $url = new moodle_url('/grade/report/index.php', array('id' => $course->id));
         $gradenode = $coursenode->add(get_string('grades'), $url, self::TYPE_SETTING, null, 'grades', new pix_icon('i/grades', ''));
     }
     //  Add outcome if permitted
     if (!empty($CFG->enableoutcomes) && has_capability('moodle/course:update', $coursecontext)) {
         $url = new moodle_url('/grade/edit/outcome/course.php', array('id' => $course->id));
         $coursenode->add(get_string('outcomes', 'grades'), $url, self::TYPE_SETTING, null, 'outcomes', new pix_icon('i/outcomes', ''));
     }
     // Backup this course
     if (has_capability('moodle/backup:backupcourse', $coursecontext)) {
         $url = new moodle_url('/backup/backup.php', array('id' => $course->id));
         $coursenode->add(get_string('backup'), $url, self::TYPE_SETTING, null, 'backup', new pix_icon('i/backup', ''));
     }
     // Restore to this course
     if (has_capability('moodle/restore:restorecourse', $coursecontext)) {
         $url = new moodle_url('/backup/restorefile.php', array('contextid' => $coursecontext->id));
         $coursenode->add(get_string('restore'), $url, self::TYPE_SETTING, null, 'restore', new pix_icon('i/restore', ''));
     }
     // Import data from other courses
     if (has_capability('moodle/restore:restoretargetimport', $coursecontext)) {
         $url = new moodle_url('/backup/import.php', array('id' => $course->id));
         $coursenode->add(get_string('import'), $url, self::TYPE_SETTING, null, 'import', new pix_icon('i/restore', ''));
     }
     // Publish course on a hub
     if (has_capability('moodle/course:publish', $coursecontext)) {
         $url = new moodle_url('/course/publish/index.php', array('id' => $course->id));
         $coursenode->add(get_string('publish'), $url, self::TYPE_SETTING, null, 'publish', new pix_icon('i/publish', ''));
     }
     // Reset this course
     if (has_capability('moodle/course:reset', $coursecontext)) {
         $url = new moodle_url('/course/reset.php', array('id' => $course->id));
         $coursenode->add(get_string('reset'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/return', ''));
     }
     // Questions
     require_once $CFG->dirroot . '/question/editlib.php';
     question_extend_settings_navigation($coursenode, $coursecontext)->trim_if_empty();
     if (has_capability('moodle/course:update', $coursecontext)) {
         // Repository Instances
         if (!$this->cache->cached('contexthasrepos' . $coursecontext->id)) {
             require_once $CFG->dirroot . '/repository/lib.php';
             $editabletypes = repository::get_editable_types($coursecontext);
             $haseditabletypes = !empty($editabletypes);
             unset($editabletypes);
             $this->cache->set('contexthasrepos' . $coursecontext->id, $haseditabletypes);
         } else {
             $haseditabletypes = $this->cache->{'contexthasrepos' . $coursecontext->id};
         }
         if ($haseditabletypes) {
             $url = new moodle_url('/repository/manage_instances.php', array('contextid' => $coursecontext->id));
             $coursenode->add(get_string('repositories'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/repository', ''));
         }
     }
     // Manage files
     if ($course->legacyfiles == 2 and has_capability('moodle/course:managefiles', $coursecontext)) {
         // hidden in new courses and courses where legacy files were turned off
         $url = new moodle_url('/files/index.php', array('contextid' => $coursecontext->id));
         $coursenode->add(get_string('courselegacyfiles'), $url, self::TYPE_SETTING, null, 'coursefiles', new pix_icon('i/files', ''));
     }
     // Switch roles
     $roles = array();
     $assumedrole = $this->in_alternative_role();
     if ($assumedrole !== false) {
         $roles[0] = get_string('switchrolereturn');
     }
     if (has_capability('moodle/role:switchroles', $coursecontext)) {
         $availableroles = get_switchable_roles($coursecontext);
         if (is_array($availableroles)) {
             foreach ($availableroles as $key => $role) {
                 if ($assumedrole == (int) $key) {
                     continue;
                 }
                 $roles[$key] = $role;
             }
         }
     }
     if (is_array($roles) && count($roles) > 0) {
         $switchroles = $this->add(get_string('switchroleto'));
         if (count($roles) == 1 && array_key_exists(0, $roles) || $assumedrole !== false) {
             $switchroles->force_open();
         }
         $returnurl = $this->page->url;
         $returnurl->param('sesskey', sesskey());
         foreach ($roles as $key => $name) {
             $url = new moodle_url('/course/switchrole.php', array('id' => $course->id, 'sesskey' => sesskey(), 'switchrole' => $key, 'returnurl' => $returnurl->out(false)));
             $switchroles->add($name, $url, self::TYPE_SETTING, null, $key, new pix_icon('i/roles', ''));
         }
     }
     // Return we are done
     return $coursenode;
 }

 /**
  * This function loads all of the front page settings into the settings navigation.
  * This function is called when the user is on the front page, or $COURSE==$SITE
  * @param bool $forceopen (optional)
  * @return navigation_node
  */
 protected function load_front_page_settings($forceopen = false)
 {
     global $SITE, $CFG;
     $course = clone $SITE;
     $coursecontext = context_course::instance($course->id);
     // Course context
     $frontpage = $this->add(get_string('frontpagesettings'), null, self::TYPE_SETTING, null, 'frontpage');
     if ($forceopen) {
         $frontpage->force_open();
     }
     $frontpage->id = 'frontpagesettings';
     if ($this->page->user_allowed_editing()) {
         // Add the turn on/off settings
         $url = new moodle_url('/course/view.php', array('id' => $course->id, 'sesskey' => sesskey()));
         if ($this->page->user_is_editing()) {
             $url->param('edit', 'off');
             $editstring = get_string('turneditingoff');
         } else {
             $url->param('edit', 'on');
             $editstring = get_string('turneditingon');
         }
         $frontpage->add($editstring, $url, self::TYPE_SETTING, null, null, new pix_icon('i/edit', ''));
     }
     if (has_capability('moodle/course:update', $coursecontext)) {
         // Add the course settings link
         $url = new moodle_url('/admin/settings.php', array('section' => 'frontpagesettings'));
         $frontpage->add(get_string('editsettings'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/settings', ''));
     }
     // add enrol nodes
     enrol_add_course_navigation($frontpage, $course);
     // Manage filters
     if (has_capability('moodle/filter:manage', $coursecontext) && count(filter_get_available_in_context($coursecontext)) > 0) {
         $url = new moodle_url('/filter/manage.php', array('contextid' => $coursecontext->id));
         $frontpage->add(get_string('filters', 'admin'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/filter', ''));
     }
     // View course reports.
     if (has_capability('moodle/site:viewreports', $coursecontext)) {
         // Basic capability for listing of reports.
         $frontpagenav = $frontpage->add(get_string('reports'), null, self::TYPE_CONTAINER, null, 'frontpagereports', new pix_icon('i/stats', ''));
         $coursereports = core_component::get_plugin_list('coursereport');
         foreach ($coursereports as $report => $dir) {
             $libfile = $CFG->dirroot . '/course/report/' . $report . '/lib.php';
             if (file_exists($libfile)) {
                 require_once $libfile;
                 $reportfunction = $report . '_report_extend_navigation';
                 if (function_exists($report . '_report_extend_navigation')) {
                     $reportfunction($frontpagenav, $course, $coursecontext);
                 }
             }
         }
         $reports = get_plugin_list_with_function('report', 'extend_navigation_course', 'lib.php');
         foreach ($reports as $reportfunction) {
             $reportfunction($frontpagenav, $course, $coursecontext);
         }
     }
     // Backup this course
     if (has_capability('moodle/backup:backupcourse', $coursecontext)) {
         $url = new moodle_url('/backup/backup.php', array('id' => $course->id));
         $frontpage->add(get_string('backup'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/backup', ''));
     }
     // Restore to this course
     if (has_capability('moodle/restore:restorecourse', $coursecontext)) {
         $url = new moodle_url('/backup/restorefile.php', array('contextid' => $coursecontext->id));
         $frontpage->add(get_string('restore'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/restore', ''));
     }
     // Questions
     require_once $CFG->libdir . '/questionlib.php';
     question_extend_settings_navigation($frontpage, $coursecontext)->trim_if_empty();
     // Manage files
     if ($course->legacyfiles == 2 and has_capability('moodle/course:managefiles', $this->context)) {
         //hiden in new installs
         $url = new moodle_url('/files/index.php', array('contextid' => $coursecontext->id));
         $frontpage->add(get_string('sitelegacyfiles'), $url, self::TYPE_SETTING, null, null, new pix_icon('i/folder', ''));
     }
     // Let plugins hook into frontpage navigation.
     $pluginsfunction = get_plugins_with_function('extend_navigation_frontpage', 'lib.php');
     foreach ($pluginsfunction as $plugintype => $plugins) {
         foreach ($plugins as $pluginfunction) {
             $pluginfunction($frontpage, $course, $coursecontext);
         }
     }
     return $frontpage;
 }

/**
 * This function extends the settings navigation block for the site.
 *
 * It is safe to rely on PAGE here as we will only ever be within the module
 * context when this is called
 *
 * @param settings_navigation $settings
 * @param navigation_node $quiznode
 */
function quiz_extend_settings_navigation($settings, $quiznode) {
    global $PAGE, $CFG;

    // Require {@link questionlib.php}
    // Included here as we only ever want to include this file if we really need to.
    require_once($CFG->libdir . '/questionlib.php');

    // We want to add these new nodes after the Edit settings node, and before the
    // Locally assigned roles node. Of course, both of those are controlled by capabilities.
    $keys = $quiznode->get_children_key_list();
    $beforekey = null;
    $i = array_search('modedit', $keys);
    if ($i === false and array_key_exists(0, $keys)) {
        $beforekey = $keys[0];
    } else if (array_key_exists($i + 1, $keys)) {
        $beforekey = $keys[$i + 1];
    }

    if (has_capability('mod/quiz:manageoverrides', $PAGE->cm->context)) {
        $url = new moodle_url('/mod/quiz/overrides.php', array('cmid'=>$PAGE->cm->id));
        $node = navigation_node::create(get_string('groupoverrides', 'quiz'),
                new moodle_url($url, array('mode'=>'group')),
                navigation_node::TYPE_SETTING, null, 'mod_quiz_groupoverrides');
        $quiznode->add_node($node, $beforekey);

        $node = navigation_node::create(get_string('useroverrides', 'quiz'),
                new moodle_url($url, array('mode'=>'user')),
                navigation_node::TYPE_SETTING, null, 'mod_quiz_useroverrides');
        $quiznode->add_node($node, $beforekey);
    }

    if (has_capability('mod/quiz:manage', $PAGE->cm->context)) {
        $node = navigation_node::create(get_string('editquiz', 'quiz'),
                new moodle_url('/mod/quiz/edit.php', array('cmid'=>$PAGE->cm->id)),
                navigation_node::TYPE_SETTING, null, 'mod_quiz_edit',
                new pix_icon('t/edit', ''));
        $quiznode->add_node($node, $beforekey);
    }

    if (has_capability('mod/quiz:preview', $PAGE->cm->context)) {
        $url = new moodle_url('/mod/quiz/startattempt.php',
                array('cmid'=>$PAGE->cm->id, 'sesskey'=>sesskey()));
        $node = navigation_node::create(get_string('preview', 'quiz'), $url,
                navigation_node::TYPE_SETTING, null, 'mod_quiz_preview',
                new pix_icon('t/preview', ''));
        $quiznode->add_node($node, $beforekey);
    }

    question_extend_settings_navigation($quiznode, $PAGE->cm->context)->trim_if_empty();
}

/**
 * This function extends the settings navigation block for the site.
 *
 * It is safe to rely on PAGE here as we will only ever be within the module
 * context when this is called
 *
 * @param settings_navigation $settings
 * @param navigation_node $offlinequiznode
 */
function offlinequiz_extend_settings_navigation($settings, $offlinequiznode)
{
    global $PAGE, $CFG;
    // Included here as we only ever want to include this file if we really need to.
    require_once $CFG->libdir . '/questionlib.php';
    // We want to add these new nodes after the Edit settings node, and before the
    // Locally assigned roles node. Of course, both of those are controlled by capabilities.
    $keys = $offlinequiznode->get_children_key_list();
    $beforekey = null;
    $i = array_search('modedit', $keys);
    if ($i === false and array_key_exists(0, $keys)) {
        $beforekey = $keys[0];
    } else {
        if (array_key_exists($i + 1, $keys)) {
            $beforekey = $keys[$i + 1];
        }
    }
    if (has_capability('mod/offlinequiz:manage', $PAGE->cm->context)) {
        $node = navigation_node::create(get_string('groupquestions', 'offlinequiz'), new moodle_url('/mod/offlinequiz/edit.php', array('cmid' => $PAGE->cm->id)), navigation_node::TYPE_SETTING, null, 'mod_offlinequiz_edit', new pix_icon('i/questions', ''));
        $offlinequiznode->add_node($node, $beforekey);
        $node = navigation_node::create(get_string('createofflinequiz', 'offlinequiz'), new moodle_url('/mod/offlinequiz/createquiz.php', array('id' => $PAGE->cm->id)), navigation_node::TYPE_SETTING, null, 'mod_offlinequiz_createpdfs', new pix_icon('f/text', ''));
        $offlinequiznode->add_node($node, $beforekey);
        $node = navigation_node::create(get_string('participantslists', 'offlinequiz'), new moodle_url('/mod/offlinequiz/participants.php', array('id' => $PAGE->cm->id)), navigation_node::TYPE_SETTING, null, 'mod_offlinequiz_participants', new pix_icon('i/group', ''));
        $offlinequiznode->add_node($node, $beforekey);
        $node = navigation_node::create(get_string('results', 'offlinequiz'), new moodle_url('/mod/offlinequiz/report.php', array('id' => $PAGE->cm->id, 'mode' => 'overview')), navigation_node::TYPE_SETTING, null, 'mod_offlinequiz_results', new pix_icon('i/grades', ''));
        $offlinequiznode->add_node($node, $beforekey);
    }
    question_extend_settings_navigation($offlinequiznode, $PAGE->cm->context)->trim_if_empty();
}

/**
 * This function extends the settings navigation block for the site.
 *
 * It is safe to rely on PAGE here as we will only ever be within the module
 * context when this is called
 *
 * @param settings_navigation $settings
 * @param navigation_node $quiznode
 */
function quiz_extend_settings_navigation($settings, $quiznode) {
    global $PAGE, $CFG;

    /**
     * Require {@link questionlib.php}
     * Included here as we only ever want to include this file if we really need to.
     */
    require_once($CFG->libdir . '/questionlib.php');

    if (has_capability('mod/quiz:manageoverrides', $PAGE->cm->context)) {
        $url = new moodle_url('/mod/quiz/overrides.php', array('cmid'=>$PAGE->cm->id));
        $quiznode->add(get_string('groupoverrides', 'quiz'), new moodle_url($url, array('mode'=>'group')),
                navigation_node::TYPE_SETTING, null, 'groupoverrides');
        $quiznode->add(get_string('useroverrides', 'quiz'), new moodle_url($url, array('mode'=>'user')),
                navigation_node::TYPE_SETTING, null, 'useroverrides');
    }

    if (has_capability('mod/quiz:manage', $PAGE->cm->context)) {
        $url = new moodle_url('/mod/quiz/edit.php', array('cmid'=>$PAGE->cm->id));
        $text = get_string('editquiz', 'quiz');
        $quiznode->add($text, $url, navigation_node::TYPE_SETTING, null,
                'mod_quiz_edit', new pix_icon('t/edit', ''));
    }

    if (has_capability('mod/quiz:preview', $PAGE->cm->context)) {
        $url = new moodle_url('/mod/quiz/startattempt.php', array('cmid'=>$PAGE->cm->id, 'sesskey'=>sesskey()));
        $quiznode->add(get_string('preview', 'quiz'), $url, navigation_node::TYPE_SETTING,
                null, 'mod_quiz_preview', new pix_icon('t/preview', ''));
    }

    question_extend_settings_navigation($quiznode, $PAGE->cm->context)->trim_if_empty();
}