<?php

// This is the Mambo module version of the ExtCalendar 2 mini-calendar.

/** ensure this file is being included by a parent file */
defined( '_VALID_MOS' ) or die( 'Direct Access to this location is not allowed.' );
if ( !defined('USER_IS_ADMIN') ) define('USER_IS_ADMIN',((($my->usertype == 'Administrator') || ($my->usertype == 'Super Administrator')) ? true : false));
if ( !defined('USER_IS_LOGGED_IN') ) define('USER_IS_LOGGED_IN',!($my->usertype == ''));

global $CONFIG_EXT, $zone_stamp, $today, $template_mini_cal_view, $ME, $THEME_DIR, $lang_mini_cal, $lang_system, $info_data, $picture, $lang_info;
global $lang_general, $lang_date_format, $event_icons, $todayclr, $cat_id, $extcal_code_insert;

#------------------------START necessary stuff from config.inc.php

if (!isset($CONFIG_EXT)) {

    // Initialise the $CONFIG_EXT array and some other variables
    $CONFIG_EXT = array();
    
    // DB TABLE NAMES PREFIX
    $CONFIG_EXT['TABLE_PREFIX'] =  "#__extcal_";
    
    // Database definitions
    $CONFIG_EXT['TABLE_CATEGORIES'] = $CONFIG_EXT['TABLE_PREFIX'] . "categories";
    $CONFIG_EXT['TABLE_GROUPS'] = $CONFIG_EXT['TABLE_PREFIX'] . "groups";
    $CONFIG_EXT['TABLE_USERS'] = $CONFIG_EXT['TABLE_PREFIX'] . "users";
    $CONFIG_EXT['TABLE_EVENTS'] = $CONFIG_EXT['TABLE_PREFIX'] . "events";
    $CONFIG_EXT['TABLE_CONFIG'] = $CONFIG_EXT['TABLE_PREFIX'] . "config";
    $CONFIG_EXT['TABLE_TEMPLATES'] = $CONFIG_EXT['TABLE_PREFIX'] . "templates";
    $CONFIG_EXT['TABLE_PLUGINS'] = $CONFIG_EXT['TABLE_PREFIX'] . "plugins";

    // FS configuration
    $CONFIG_EXT['FS_PATH'] = $mosConfig_absolute_path . "/components/com_extcalendar/";        // Your file system path
    $CONFIG_EXT['calendar_url'] = $mosConfig_live_site . "/components/com_extcalendar/";        // Your calendar web url
    $CONFIG_EXT['calendar_calling_page'] = $mosConfig_live_site . "/index.php?option=com_extcalendar";  // Your calendar web url
    
    require_once $CONFIG_EXT['FS_PATH']."include/dblib.php";
    require_once $CONFIG_EXT['FS_PATH']."lib/event.inc.php";
    
    // Retrieve DB stored configuration
    $results = extcal_db_query("SELECT * FROM {$CONFIG_EXT['TABLE_CONFIG']}");
    while ($row = extcal_db_fetch_array($results)) {
        $CONFIG_EXT[$row['name']] = $row['value'];
    } // while
    extcal_db_free_result($results);
    
}
// Set the path and name and querystring of the current page, to make "$ME",
// which the minicalendar uses to create its hyperlinks for clicking on events
// and on the Next/Last month navigational arrows. Remove the "date" querystring
// variable, however; we'll usually be replacing it.
$pathArray = explode('/', $_SERVER['PHP_SELF']);
$query_string = array();
foreach($_GET as $key => $value) {
  if ($key != 'date') $query_string[] = $key.'='.$value;
}
if (sizeof($query_string) > 0) $query_string = '?'.implode('&',$query_string).'&';
else $query_string = '?';
$ME = $pathArray[(count($pathArray))-1].$query_string;
$ME = str_replace( '&', '&amp;', $ME );

$CONFIG_EXT['LANGUAGES_DIR'] = $CONFIG_EXT['FS_PATH']."languages/";
$CONFIG_EXT['MINI_PICS_DIR'] = $CONFIG_EXT['FS_PATH']."images/minipics/";
$CONFIG_EXT['MINI_PICS_URL'] = $CONFIG_EXT['calendar_url']."images/minipics/";

// Set error logging level
if ($CONFIG_EXT['debug_mode']) {
    error_reporting (E_ALL);
        $DB_DEBUG = true;
} else {
    error_reporting (E_ALL ^ E_NOTICE);
        $DB_DEBUG = false;
}

if (!file_exists($CONFIG_EXT['FS_PATH']."themes/{$CONFIG_EXT['theme']}/theme.php")) $CONFIG_EXT['theme'] = 'default';
$THEME_DIR = $CONFIG_EXT['calendar_url']."themes/{$CONFIG_EXT['theme']}";

$locale_was_set = false;
$CONFIG_EXT['lang'] = $mosConfig_lang;
if (!file_exists($CONFIG_EXT['LANGUAGES_DIR']."{$CONFIG_EXT['lang']}/index.php")) $CONFIG_EXT['lang'] = 'english';
include $CONFIG_EXT['LANGUAGES_DIR']."{$CONFIG_EXT['lang']}/index.php";
if (!isset($zone_stamp)) {
  if ( isset($lang_info['locale']) && is_array($lang_info['locale']) ) {
    // Localizing time
    foreach( $lang_info['locale'] as $temp_lang_code ) {
        $locale_was_set = setlocale (LC_TIME,$temp_lang_code);
    }
  }
    $zone_stamp = minical_extcal_get_local_time();
}

if (!isset($today)) {
    $today = ucwords(strftime ($lang_date_format['full_date'], $zone_stamp));
    // e.g. Wednesday, June 05, 2002
    
    // Initialize time variables with today's date
    $m = (int)date("n", minical_extcal_get_local_time()); // Numeric representation of a month, without leading zeros
    $y = (int)date("Y", minical_extcal_get_local_time());
    $d = (int)date("j", minical_extcal_get_local_time()); // Day of the month without leading zeros
    
    $today = array(
        'day' => $d,
        'month' => $m,
        'year' => $y
    );
}

if (!isset($date)) {
    // initialise the date variable
    if(isset($_POST['date'])) {
        list($year, $month, $day) = split('[/.-]', $_POST['date']); // split at a slash, dot, or hyphen.
        $date = array(
            'day' => (int)$day,
            'month' => (int)$month,
            'year' => (int)$year
        );
    } elseif(isset($_GET['date'])) {
        list($year, $month, $day) = split('[/.-]', $_GET['date']); // split at a slash, dot, or hyphen.
        $date = array(
            'day' => (int)$day,
            'month' => (int)$month,
            'year' => (int)$year
        );
    } else {
        $date = array(
            'day' => (int)$today['day'],
            'month' => (int)$today['month'],
            'year' => (int)$today['year']
        );
    }
}
$day = $date['day'];
$month = $date['month'];
$year = $date['year'];

#------------------------END necessary stuff from config.inc.php

##-------------------Gather parameters from the module administration section:

$info_data['navigation_controls'] = intval($params->def('navigation_controls',1));
$CONFIG_EXT['show_minical_add_event_button'] = intval($params->def('show_minical_add_event_button',1));
$target = trim($params->get('target'));
$info_data['target'] = $target;
$CONFIG_EXT['mini_cal_def_picture'] = htmlspecialchars(trim($params->def('mini_cal_def_picture','def_pic.gif')));
$picture = intval($params->def('picture','0'));

##-------------------HTML template:

// HTML template to display a monthly calendar view
$template_mini_cal_view = <<<EOT
<!-- BEGIN inline_style_row -->
<style type="text/css">
#extcal_minical .extcal_navbar {
    background-image: url({THEME_DIR}/images/bg1.gif);
    background-repeat: repeat-x;
    border-bottom: 1px solid #B4B4B6;
}
#extcal_minical .extcal_tiny_add_event_link {
    font-family: Verdana;
    font-size: 9px;
    font-weight: normal;
    color:#575767;
    text-decoration: none;
}
#extcal_minical TABLE.extcal_weekdays {
    background-image: url({THEME_DIR}/images/bg1.gif);
    background-repeat: repeat-x;
    border-top: 1px solid #FFFFFF;
}
#extcal_minical TD.extcal_weekdays {
    font-family: "Trebuchet MS", Verdana, Arial, "Microsoft Sans Serif";
    font-size: 9px;
    font-weight: normal;
    color: #333333;
    text-decoration: none;
    padding-top: 4px;
}
#extcal_minical .extcal_small {
    font-family: Verdana;
    font-size: 9px;
    color:#575767;
    text-decoration: none;
}
#extcal_minical .extcal_small:link,#extcal_minical .extcal_small:visited {
    text-decoration: none;
}
#extcal_minical .extcal_small:hover {
    text-decoration: underline;
}

#extcal_minical .extcal_daycell,#extcal_minical .extcal_todaycell,
#extcal_minical .extcal_sundaycell,#extcal_minical .extcal_othermonth {
    font-family: "Trebuchet MS", Verdana, Arial, "Microsoft Sans Serif";
    font-size: 9px;
    font-weight: normal;
    font-style: normal;
    text-decoration: none;
    color:#555555;
    background-repeat: no-repeat;
    background-position: center center;
    padding-top: 1px;
    padding-bottom: 1px;
    padding-right: 1px;
    padding-left: 1px;
}

#extcal_minical .extcal_todaycell {
    color:#99AAAA;
    background-image: url({THEME_DIR}/images/rect.gif);
}

#extcal_minical .extcal_sundaycell {
    color:#99AAAA;
}

#extcal_minical .extcal_othermonth {
    color:#99AAAA;
}

#extcal_minical .extcal_daylink, #extcal_minical .extcal_sundaylink,
#extcal_minical .extcal_busylink  {
    font-family: "Trebuchet MS", Verdana, Arial, "Microsoft Sans Serif";
    font-size: 9px;
    font-weight: bold;
    font-style: normal;
    text-decoration: none;
}

#extcal_minical .extcal_daylink:link,#extcal_minical .extcal_daylink:visited {
    color:#555555;
}

#extcal_minical .extcal_busylink:link,#extcal_minical .extcal_busylink:visited {
    color:#ff0000;
    background-color: #ffd8d8;
    text-decoration: none;
}

#extcal_minical .extcal_sundaylink:link,#extcal_minical .extcal_sundaylink:visited {
    color:#99AAAA;
}

#extcal_minical .extcal_month_label {
    font-family: Verdana, Arial, "Microsoft Sans Serif";
    font-size: 10px;
    font-weight: bold;
    color: #565666;
}
#extcal_minical .extcal_picture {
}
#extcal_minical .extcal_weekcell {
  margin: 0px;
  padding: 0px;
}
</style>
<script type="text/javascript">
    function extcal_showOnBar(Str)
    {
        window.status=Str;
        return true;
    }
</script>
<!-- END inline_style_row -->
<!-- BEGIN header_row -->
<div id="extcal_minical">
    <table align="center" border="0" cellspacing="1" cellpadding="0" style="background-color: #FFFFFF; border: 1px solid #BEC2C3; width: 130">
        <tr>
            <td>
<!-- END header_row -->
<!-- BEGIN navigation_row -->
            <table border="0" cellspacing="0" cellpadding="2" width="100%" class="extcal_navbar">
                <tr>
<!-- BEGIN with_navigation_row -->
<!-- BEGIN no_previous_month_link_row -->
                    <td align="center" height="18" valign="middle"><img src="{THEME_DIR}/images/mini_arrowleft_inactive.gif" border="0" alt="" title="" /></td>
<!-- END no_previous_month_link_row -->
<!-- BEGIN previous_month_link_row -->
                    <td align="center" height="18" valign="middle"
                        onmouseover="extcal_showOnBar('{PREVIOUS_MONTH}');return true;"
                        onmouseout="extcal_showOnBar('');return true;">
                        <a href="{PREVIOUS_MONTH_URL}"><img src="{THEME_DIR}/images/mini_arrowleft.gif" border="0" alt="{PREVIOUS_MONTH}" title="{PREVIOUS_MONTH}" /></a></td>
<!-- END previous_month_link_row -->
                    <td align="center" height="18" valign="middle" width="98%" class='extcal_month_label' nowrap>{CURRENT_MONTH}</td>
                    <td align="center" height="18" valign="middle"
                        onmouseover="extcal_showOnBar('{NEXT_MONTH}');return true;"
                        onmouseout="extcal_showOnBar('');return true;">
                      <a href="{NEXT_MONTH_URL}"><img src="{THEME_DIR}/images/mini_arrowright.gif" border="0" alt="{NEXT_MONTH}" title="{NEXT_MONTH}" /></a></td>
<!-- END with_navigation_row -->
<!-- BEGIN without_navigation_row -->
                    <td colspan="3" align="center" height="18" valign="middle" width="98%" class='extcal_month_label' nowrap>{CURRENT_MONTH}</td>
<!-- END without_navigation_row -->
                </tr>
            </table>
<!-- END navigation_row -->

<!-- BEGIN picture_row -->
            <table width="100%" border="0" cellspacing="0" cellpadding="0">
              <tr>
                <td class="extcal_picture">
                        <a href='{MINI_PICTURE_LINK}'
                            onmouseover="extcal_showOnBar('{STATUS_MESSAGE}');return true;"
                            onmouseout="extcal_showOnBar('');return true;">
                    <img src='{PICTURE_URL}' width='130' alt='{PICTURE_MESSAGE}' border='0' /></a></td>
              </tr>
            </table>
<!-- END picture_row -->

<!-- BEGIN weekday_header_row -->
    <table align="center" border="0" cellspacing="0" cellpadding="0" width="130"  class="extcal_weekdays">
        <tr>
<!-- BEGIN weeknumber_header_row -->
            <td></td>
<!-- END weeknumber_header_row -->
<!-- END weekday_header_row -->
<!-- BEGIN weekday_cell_row -->
            <td height='24' class="{CSS_CLASS}" valign="top" align="center">
                {WEEK_DAY}
            </td>
<!-- END weekday_cell_row -->
<!-- BEGIN weekday_footer_row -->
        </tr>
<!-- END weekday_footer_row -->

<!-- BEGIN day_cell_info_row -->
<!-- BEGIN day_cell_header_row -->
        <tr>
<!-- END day_cell_header_row -->
<!-- BEGIN weeknumber_cell_row -->
        <td class='extcal_weekcell' align='center'
                onmouseover="extcal_showOnBar('{WEEK_NUMBER}');return true;"
                onmouseout="extcal_showOnBar('');return true;">
            <a href="{URL_WEEK_VIEW}" target="{TARGET}"><img src="{THEME_DIR}/images/icon-mini-week.gif" width="5" height="20" border="0" alt="{WEEK_NUMBER}" /></a></td>
<!-- END weeknumber_cell_row -->
<!-- BEGIN other_month_cell_row -->
        <td height='15' class='extcal_othermonth' align='center' valign='middle'>{CELL_CONTENT}</td>
<!-- END other_month_cell_row -->
<!-- BEGIN day_cell_row -->
        <td height='15' class='{DAY_CLASS}' align='center' valign='top' onmouseover="extcal_showOnBar('{DATE_STRING}');return true;" onmouseout="extcal_showOnBar('');return true;">
<!-- BEGIN linkable_row -->
            <a href="{URL_TARGET_DATE}" title="{CELL_CONTENT}" class="{DAY_LINK_CLASS}" target="{TARGET}">{DAY}</a>
<!-- END linkable_row -->
<!-- BEGIN static_row -->
            <span title="{CELL_CONTENT}" class="{DAY_CLASS}">{DAY}</span>
<!-- END static_row -->
        </td>
<!-- END day_cell_row -->

<!-- BEGIN day_cell_footer_row -->
        </tr>
<!-- END day_cell_footer_row -->
<!-- END day_cell_info_row -->
<!-- BEGIN footer_row -->
            </table>
      </td>
  </tr>
</table>
<!-- BEGIN add_event_row -->
<table width="135" border="0" cellspacing="0" cellpadding="0" align="center">
    <tr>
        <td align="center" nowrap class="extcal_navbar">
            <a href="{ADD_EVENT_URL}"
                onmouseover="extcal_showOnBar('{ADD_EVENT_TITLE}');return true;"
                onmouseout="extcal_showOnBar('');return true;" style="display:block; border: 1px solid #BEC2C3" class="extcal_tiny_add_event_link"><img src="{THEME_DIR}/images/addsign_a.gif" align="absmiddle" alt="{ADD_EVENT_TITLE}" border="0" vspace="2" /> {ADD_EVENT_TITLE}</a>
        </td>
    </tr>
</table>
<!-- END add_event_row -->
</div>
<!-- END footer_row -->
EOT;

ob_start();
    
// check if "show past events" is enabled, else force the date to today's date
if(mktime(0,0,0,$month,$day,$year) < mktime(0,0,0,$today['month'],1,$today['year']) && !$CONFIG_EXT['archive']) {
    $info_data['day_link'] = false;
} else $info_data['day_link'] = true;

// insert date into an array an pass it to the mini calendar theme function
$target_date = array(
    'day' => $day,
    'month' => $month,
    'year' => $year
);

$pic_message = ucwords(strftime ($lang_date_format['full_date'], minical_extcal_get_local_time()))."\n";

switch($picture) {
    case '0': // Picture not displayed
    case 'none':
        $z = '';
        break;
    case '1': // Default Picture
        $z = $CONFIG_EXT['mini_cal_def_picture'];
        $pic_message .= $lang_mini_cal['def_pic'];
        break;
    case '2': // Daily Picture
    case 'daily':
        $z = (int)date("z",minical_extcal_get_local_time()); // 0 through 366
        $pic_message .= sprintf($lang_mini_cal['daily_pic'],$z);
        $z = minical_extcal_get_picture_file($z);
        break;
    case '3': // Weekly Picture
    case 'weekly':
        //$z = (int)date("W",minical_extcal_get_local_time()); // 0 through 53
        $z = (int) minical_get_week_number($today['day'], $today['month'], $today['year']); // 1 through 53
        $pic_message .= sprintf($lang_mini_cal['weekly_pic'],$z);
        $z = minical_extcal_get_picture_file($z);
        break;
    case '4': // Random Picture
    case 'random':
        $pictures = minical_extcal_dir_list($CONFIG_EXT['MINI_PICS_DIR']);
        srand((float)microtime() * 1000000);
        shuffle($pictures);
        $z = $pictures[0];
        $pic_message .= sprintf($lang_mini_cal['rand_pic'],$z);
        break;
    default: // Default Picture by default
        $z = $CONFIG_EXT['mini_cal_def_picture'];
        $pic_message .= $lang_mini_cal['def_pic'];
}
if(!empty($z)) $info_data['picture_info'] = array('picture_message' => $pic_message, 'picture_url' => $z);
// number of days in selected month
$nr = date("t",mktime(0,0,0,$month,1,$year));

$previous_month_date = date("Y-m-d", mktime(0,0,0,$month-1,1,$year));
$next_month_date = date("Y-m-d", mktime(0,0,0,$month+1,1,$year));

$info_data['previous_month_url'] = $ME."date=".$previous_month_date;
$info_data['next_month_url'] = $ME."date=".$next_month_date;
$info_data['current_month_url'] = substr($ME,0,-1);

$info_data['current_month_color'] = ($month == $today['month'] && $year == $today['year'])?"background-color: ".$todayclr:"";

if ($CONFIG_EXT['archive'] || ($month != date("n") || $year != date("Y")))
    $info_data['show_past_months'] = true;
else $info_data['show_past_months'] = false;

// get the weekdays
for ($i=0;$i<=6;$i++)
{
    $array_index = $CONFIG_EXT['day_start']?($i+1)%7:$i;
    if ($array_index) $css_class = "extcal_weekdays"; // weekdays
    else $css_class = "extcal_weekdays"; // sunday
    $info_data['weekdays'][$i]['name'] = minical_sub_string($lang_date_format['day_of_week'][$array_index],2,'');
    $info_data['weekdays'][$i]['class'] = $css_class;
}

$event_stack = array();

// 'existing' days in month
for ($i=1;$i<=$nr;$i++)
{
    $date_stamp = mktime(0,0,0,$month,$i,$year);
    // generate the url for each day cell
    $url_target_date = date("Y-m-d", $date_stamp);
    $event_stack[$i]['date_link'] = $info_data['day_link']?$CONFIG_EXT['calendar_calling_page']."&amp;extmode=day&amp;date=".$url_target_date:'';
    // count the number of events occurring in a given date
    $events = minical_get_events($date_stamp,$CONFIG_EXT['show_recurrent_events'],$CONFIG_EXT['show_overlapping_recurrences_dailyview']);
    //$events = sort_events($events, $event_stack, $date_stamp);
    $event_stack[$i]['num_events'] = count($events);
    //$event_stack[$i]['events'] = $events;
    $event_stack[$i]['week_number'] = (int) minical_get_week_number($i, $month, $year);

}

minical_theme_mini_cal_view($target_date, $event_stack, $info_data);

$output = ob_get_contents(); // read buffer
ob_end_flush();


##-------------------Set the locale for date/time functions back to the one already set by Mambo:
if ( $locale_was_set ) setlocale(LC_TIME,$mosConfig_locale);

##-------------------------------HTML rendering of the mini-cal:

function minical_theme_mini_cal_view($date, &$results, &$info_data)
{
    global $template_mini_cal_view, $THEME_DIR, $ME, $lang_mini_cal;
    global $CONFIG_EXT, $today, $lang_date_format, $lang_general, $event_icons, $extcal_code_insert;
    global $todayclr, $weekdayclr, $sundayclr;
    global $sundayclrHl, $weekdayclrHl, $todayclrHl;

    $template_mini_cal_view1 = $template_mini_cal_view;
    // replace global variables
    $template_mini_cal_view1 = str_replace('{THEME_DIR}', $THEME_DIR,$template_mini_cal_view1);
    $template_mini_cal_view1 = str_replace('{TARGET}', $info_data['target'],$template_mini_cal_view1);


    $header_row = minical_template_extract_block($template_mini_cal_view1, 'header_row');
    $navigation_row = minical_template_extract_block($template_mini_cal_view1, 'navigation_row');
    $picture_row = minical_template_extract_block($template_mini_cal_view1, 'picture_row');
    $footer_row = minical_template_extract_block($template_mini_cal_view1, 'footer_row');

    $weekday_header_row = minical_template_extract_block($template_mini_cal_view1, 'weekday_header_row');
    $weekday_cell_row = minical_template_extract_block($template_mini_cal_view1, 'weekday_cell_row');
    $weekday_footer_row = minical_template_extract_block($template_mini_cal_view1, 'weekday_footer_row');

    $day_cell_header_row = minical_template_extract_block($template_mini_cal_view1, 'day_cell_header_row');
    $weeknumber_cell_row = minical_template_extract_block($template_mini_cal_view1, 'weeknumber_cell_row');
    $day_cell_row = minical_template_extract_block($template_mini_cal_view1, 'day_cell_row');
    $other_month_cell_row = minical_template_extract_block($template_mini_cal_view1, 'other_month_cell_row');
    $day_cell_footer_row = minical_template_extract_block($template_mini_cal_view1, 'day_cell_footer_row');
    $inline_style_row = minical_template_extract_block($template_mini_cal_view1, 'inline_style_row');

    if($info_data['day_link']) minical_template_extract_block($day_cell_row, 'static_row');
    else minical_template_extract_block($day_cell_row, 'linkable_row');
    
    //  make the days of week, consisting of seven days
    $firstday = date ("w", mktime(0,0,0,$date['month'],1,$date['year']));
    if ($CONFIG_EXT['day_start']) $firstday-=1;
    //if (!$firstday && $CONFIG_EXT['day_start']) $firstday = 7;
        $firstday = ($firstday < 0)? $firstday + 7: $firstday%7;

    // number of days in asked month
    $nr = date("t",mktime(0,0,0,$date['month'],1,$date['year']));

        $today_date = ucwords(strftime($lang_date_format['full_date'], mktime(0,0,0,$today['month'],$today['day'],$today['year'])));
    //starttable('99%', $lang_monthly_event_view['section_title'], $CONFIG_EXT['cal_view_show_week']?8:7, '', $today_date);
        echo $header_row;
        $params = array(
            '{PREVIOUS_MONTH}' => ucwords(strftime($lang_date_format['month_year'], mktime(0,0,0,$date['month']-1,1,$date['year']))),
            '{PREVIOUS_MONTH_URL}' => $info_data['previous_month_url'],
            '{CURRENT_MONTH}' => ucwords(strftime($lang_date_format['month_year'], mktime(0,0,0,$date['month'],1,$date['year']))),
            '{NEXT_MONTH}' => ucwords(strftime($lang_date_format['month_year'], mktime(0,0,0,$date['month']+1,1,$date['year']))),
            '{NEXT_MONTH_URL}' => $info_data['next_month_url'],
        );
        if(!$CONFIG_EXT['cal_view_show_week']) minical_template_extract_block($weekday_header_row, 'weeknumber_header_row');
        if(!$info_data['show_past_months']) minical_template_extract_block($navigation_row, 'previous_month_link_row');
        else minical_template_extract_block($navigation_row, 'no_previous_month_link_row');
        if($info_data['navigation_controls']) minical_template_extract_block($navigation_row, 'without_navigation_row');
        else minical_template_extract_block($navigation_row, 'with_navigation_row');
        echo minical_template_eval($navigation_row, $params);

        if(isset($info_data['picture_info'])) {
            $params = array(
                '{PICTURE_URL}' => $CONFIG_EXT['MINI_PICS_URL'].$info_data['picture_info']['picture_url'],
                '{PICTURE_MESSAGE}' => $info_data['picture_info']['picture_message'],
                '{STATUS_MESSAGE}' => ucwords(strftime($lang_date_format['month_year'], mktime(0,0,0,$date['month'],1,$date['year']))),
                '{MINI_PICTURE_LINK}' => $CONFIG_EXT['calendar_calling_page']
            );
            
            echo minical_template_eval($picture_row, $params);
        }
        
        //echo $weekdays_row;
        
    // print weekday labels
        echo $weekday_header_row;
    for ($i=0;$i<count($info_data['weekdays']);$i++)
    {
            $params = array(
                '{WEEK_DAY}' => $info_data['weekdays'][$i]['name'],
                '{CSS_CLASS}' => $info_data['weekdays'][$i]['class']
            );
            echo minical_template_eval($weekday_cell_row, $params);
        }
        echo $weekday_footer_row;

   
    // print day cells
    for ($i=1-$firstday;$i<=count($results);$i+=7)
    {
            echo $day_cell_header_row;
            if($CONFIG_EXT['cal_view_show_week']) {
                $weeknumber_cell_row1 = $weeknumber_cell_row;
                $weeknumber = $results[$i<1?1:$i]['week_number'];
                $week_stamp = mktime(0,0,0,$date['month'],$i + 6,$date['year']);
                $url_week_date = date("Y-m-d", $week_stamp);
                $params = array(
                    '{URL_WEEK_VIEW}' => $CONFIG_EXT['calendar_calling_page']."&amp;extmode=week&amp;date=".$url_week_date,
                    '{WEEK_NUMBER}' => sprintf($lang_mini_cal['selected_week'],$weeknumber)
                );
                echo minical_template_eval( $weeknumber_cell_row1, $params);
            }
        for ($row=0;$row<7;$row++)
        {
                $day_stamp = mktime(0,0,0,$date['month'],$i + $row,$date['year']);
                if($i+$row<1 || $i+$row> $nr) {
                    $date_string = "";
                    echo str_replace('{CELL_CONTENT}', $date_string,$other_month_cell_row);
                } else {
                    $url_target_date = $results[($i + $row)]['date_link'];
              $events = $results[($i + $row)]['num_events'];
              $num_events =  $info_data['day_link']?(int)$events:0;
              $date_string = ucwords(strftime($lang_date_format['day_month_year'], $day_stamp));
              if ($day_stamp == mktime(0,0,0,$today['month'],$today['day'],$today['year'])) {
                  // higlight today's day
                  $css_class = "extcal_todaycell";
                $link_class = $num_events?"extcal_busylink":"extcal_daylink";
                  $hlColor = $todayclrHl;
                  $regColor = $todayclr;
              } elseif (!(int)date('w', $day_stamp)) {
                  // use sunday colors
                  $css_class = "extcal_sundaycell";
                        $link_class = $num_events?"extcal_busylink":"extcal_sundaylink";
                  $hlColor = $sundayclrHl;
                  $regColor = $sundayclr;
              } else  {
                  // use regular day colors
                  $css_class = "extcal_daycell";
                        $link_class = $num_events?"extcal_busylink":"extcal_daylink";
                  $hlColor = $weekdayclrHl;
                  $regColor = $weekdayclr;
              }


                    $params = array(
                        '{DAY}' => $i + $row,
                        '{URL_TARGET_DATE}' => $url_target_date,
                        '{DAY_CLASS}' => $css_class,
                        '{DAY_LINK_CLASS}' => $link_class,
                        '{CELL_CONTENT}' => sprintf($lang_mini_cal['num_events'],$num_events),
                        '{BG_COLOR}' => $regColor,
                        '{HOVER_BG_COLOR}' => $hlColor,
                        '{DATE_STRING}' => $date_string
                    );
                    echo minical_template_eval($day_cell_row, $params);
                }
            }
            echo $day_cell_footer_row;
        }
        if(!$CONFIG_EXT['add_event_view'] || !minical_has_priv($CONFIG_EXT['who_can_add_events']) || !$CONFIG_EXT['show_minical_add_event_button']) minical_template_extract_block($footer_row, 'add_event_row');
        $params = array(
            '{ADD_EVENT_URL}' => $CONFIG_EXT['calendar_calling_page'] . "&amp;extmode=addevent",
            '{ADD_EVENT_TITLE}' => $lang_mini_cal['post_event']
        );
        echo minical_template_eval($footer_row, $params);
        if(!$extcal_code_insert) {
            //$extcal_code_insert = 1;
            echo $inline_style_row;
        }
}

##-------------------functions used:

function minical_extcal_get_picture_file($file) {
    global $CONFIG_EXT;
    if($file) {
        if(file_exists($CONFIG_EXT['MINI_PICS_DIR'].$file.".jpg")) $file = $file.".jpg";
        elseif(file_exists($CONFIG_EXT['MINI_PICS_DIR'].$file.".gif")) $file = $file.".jpg";
        else $file = $CONFIG_EXT['mini_cal_def_picture'];
    } else $file = $CONFIG_EXT['mini_cal_def_picture'];
    return $file;
}

function minical_extcal_dir_list($dirname)
{    
    $handle=opendir($dirname);
    while ($file = readdir($handle))
    {
           if($file=='.'||$file=='..'||is_dir($dirname.$file)) continue;
           $result_array[]=$file;
    }
    closedir($handle);
    return $result_array;
}

function minical_template_extract_block(&$template, $block_name, $subst='')
{
        if(!$template) return;
        $pattern = "#(<!-- BEGIN $block_name -->)(.*?)(<!-- END $block_name -->)#s";
        if ( !preg_match($pattern, $template, $matches)){
                die ('<b>Template error<b><br />Failed to find block \''.$block_name.'\' in :<br /><pre>'.htmlspecialchars($template).'</pre>');
        }
        $template = str_replace($matches[1].$matches[2].$matches[3], $subst, $template);
        return $matches[2];
}

// Eval a template (substitute vars with values)
function minical_template_eval(&$template, &$vars)
{
        return strtr($template, $vars);
}

function minical_extcal_get_local_time ($target_timezone = '') {
    global $CONFIG_EXT, $database;
    if(!$target_timezone) $target_timezone = $CONFIG_EXT['timezone'];
    $zonedate = mktime(gmdate('G'), gmdate('i'), gmdate('s'), gmdate('n'),
    gmdate('j'), gmdate('Y'), 0) + ($target_timezone * 3600);

    return $zonedate;
}

function minical_sub_string($string,$max,$suffix) {
    // returns a substring that may be encoded in utf-8 or other character encodings.
    // and adds a suffix in case the substring is smaller than the original string
    global $CONFIG_EXT, $data