diff options
Diffstat (limited to 'apps/calendar/lib/calendar.php')
| -rw-r--r-- | apps/calendar/lib/calendar.php | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/apps/calendar/lib/calendar.php b/apps/calendar/lib/calendar.php index 128b55c48e9..7778242464c 100644 --- a/apps/calendar/lib/calendar.php +++ b/apps/calendar/lib/calendar.php @@ -267,8 +267,42 @@ class OC_Calendar_Calendar{ 'url' => OCP\Util::linkTo('calendar', 'ajax/events.php').'?calendar_id='.$calendar['id'], 'backgroundColor' => $calendar['calendarcolor'], 'borderColor' => '#888', - 'textColor' => 'black', + 'textColor' => self::generateTextColor($calendar['calendarcolor']), 'cache' => true, ); } + + /* + * @brief checks if a calendar name is available for a user + * @param string $calendarname + * @param string $userid + * @return boolean + */ + public static function isCalendarNameavailable($calendarname, $userid){ + $calendars = self::allCalendars($userid); + foreach($calendars as $calendar){ + if($calendar['displayname'] == $calendarname){ + return false; + } + } + return true; + } + + /* + * @brief generates the text color for the calendar + * @param string $calendarcolor rgb calendar color code in hex format (with or without the leading #) + * (this function doesn't pay attention on the alpha value of rgba color codes) + * @return boolean + */ + public static function generateTextColor($calendarcolor){ + if(substr_count($calendarcolor, '#') == 1){ + $calendarcolor = substr($calendarcolor,1); + } + $red = hexdec(substr($calendarcolor,0,2)); + $green = hexdec(substr($calendarcolor,2,2)); + $blue = hexdec(substr($calendarcolor,2,2)); + //recommendation by W3C + $computation = ((($red * 299) + ($green * 587) + ($blue * 114)) / 1000); + return ($computation > 130)?'#000000':'#FAFAFA'; + } } |