chamilo / chamilo-lms

            $protect_page = null;

            $lock_unlock_protect = null;

            // page action: protecting (locking) the page

            if (api_is_allowed_to_edit(false, true) || api_is_platform_admin()) {

                if (self::check_protect_page() == 1) {

                    $protect_page = Display::return_icon('lock.png', get_lang('PageLockedExtra'), '', ICON_SIZE_MEDIUM);

                    $lock_unlock_protect = 'unlock';

                } else {

                    $protect_page = Display::return_icon('unlock.png', get_lang('PageUnlockedExtra'), '', ICON_SIZE_MEDIUM);

                    $lock_unlock_protect = 'lock';

                }

            }

            if ($row['id']) {

                $actionsRight .= '<a href="index.php?'.api_get_cidreq().'&action=showpage&actionpage='.$lock_unlock_protect.'&title='.api_htmlentities(urlencode($page)).'">'.

            $visibility_page = null;

            $lock_unlock_visibility = null;

            //page action: visibility

            if (api_is_allowed_to_edit(false, true) || api_is_platform_admin()) {

                if (self::check_visibility_page() == 1) {

                    $visibility_page = Display::return_icon(

                        'visible.png',

                        get_lang('ShowPageExtra'),

                        '',

                        ICON_SIZE_MEDIUM

                    );

                    $lock_unlock_visibility = 'invisible';

                } else {

                    $visibility_page = Display::return_icon(

                        'invisible.png',

                // discussion action: protecting (locking) the discussion

                $addlock_disc = null;

                $lock_unlock_disc = null;

                if (api_is_allowed_to_edit(false, true) || api_is_platform_admin()) {

                    if (self::check_addlock_discuss() == 1) {

                        $addlock_disc = Display::return_icon(

                            'unlock.png',

                            get_lang('UnlockDiscussExtra'),

                            '',

                            ICON_SIZE_SMALL

                        );

                        $lock_unlock_disc = 'unlockdisc';

                    } else {

                        $addlock_disc = Display::return_icon(

                            'lock.png',

                // discussion action: visibility.  Show discussion to students if isn't hidden. Show page to all teachers if is hidden.

                $visibility_disc = null;

                $hide_show_disc = null;

                if (api_is_allowed_to_edit(false, true) || api_is_platform_admin()) {

                    if (self::check_visibility_discuss() == 1) {

                        /// TODO: 	Fix Mode assignments: If is hidden, show discussion to student only if student is the author

                        $visibility_disc = Display::return_icon('visible.png', get_lang('ShowDiscussExtra'), '', ICON_SIZE_SMALL);

                        $hide_show_disc = 'hidedisc';

                    } else {

                        $visibility_disc = Display::return_icon('invisible.png', get_lang('HideDiscussExtra'), '', ICON_SIZE_SMALL);

                        $hide_show_disc = 'showdisc';

                    }

                }

                echo '<span style="float:right">';

                echo '<a href="index.php?action=discuss&amp;actionpage='.$hide_show_disc.'&amp;title='.api_htmlentities(urlencode($page)).'">'.$visibility_disc.'</a>';

                echo '</span>';

                //discussion action: check add rating lock. Show/Hide list to rating for all student

                $lock_unlock_rating_disc = null;

                $ratinglock_disc = null;

                if (api_is_allowed_to_edit(false, true) || api_is_platform_admin()) {

                    if (self::check_ratinglock_discuss() == 1) {

                        $ratinglock_disc = Display::return_icon('star.png', get_lang('UnlockRatingDiscussExtra'), '', ICON_SIZE_SMALL);

                        $lock_unlock_rating_disc = 'unlockrating';

                    } else {

                        $ratinglock_disc = Display::return_icon('star_na.png', get_lang('LockRatingDiscussExtra'), '', ICON_SIZE_SMALL);

                        $lock_unlock_rating_disc = 'lockrating';

                    }

                }

                echo '<span style="float:right">';

                echo '<a href="index.php?action=discuss&actionpage='.$lock_unlock_rating_disc.'&title='.api_htmlentities(urlencode($page)).'">'.$ratinglock_disc.'</a>';