You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
// Enable internationalisation
$plugin_dir = basename(dirname(__FILE__));
load_plugin_textdomain('calendar', 'wp-content/plugins/' . $plugin_dir, $plugin_dir);
// Define the tables used in Calendar
global $wpdb;
define('WP_CALENDAR_TABLE', $wpdb->prefix . 'calendar');
define('WP_CALENDAR_CONFIG_TABLE', $wpdb->prefix . 'calendar_config');
define('WP_CALENDAR_CATEGORIES_TABLE', $wpdb->prefix . 'calendar_categories');
// Check ensure calendar is installed and install it if not - required for
// the successful operation of most functions called from this point on
check_calendar();
// Create a master category for Calendar and its sub-pages
add_action('admin_menu', 'calendar_menu');
// Enable the ability for the calendar to be loaded from pages
add_filter('the_content', 'calendar_insert');
add_filter('the_content', 'minical_insert');
// Enable the ability for the lists to be loaded from pages
add_filter('the_content', 'upcoming_insert');
add_filter('the_content', 'todays_insert');
// Add the function that puts style information in the header
add_action('wp_head', 'calendar_wp_head');
// Add the function that deals with deleted users
add_action('delete_user', 'deal_with_deleted_user');
// Add the widgets if we are using version 2.8
add_action('widgets_init', 'widget_init_calendar_today');
add_action('widgets_init', 'widget_init_calendar_upcoming');
function calendar()
{
global $wpdb;
// First things first, make sure calendar is up to date
check_calendar();
// Deal with the week not starting on a monday
if (get_option('start_of_week') == 0) {
$name_days = array(1 => __('Sunday', 'calendar'), __('Monday', 'calendar'), __('Tuesday', 'calendar'), __('Wednesday', 'calendar'), __('Thursday', 'calendar'), __('Friday', 'calendar'), __('Saturday', 'calendar'));
} else {
$name_days = array(1 => __('Monday', 'calendar'), __('Tuesday', 'calendar'), __('Wednesday', 'calendar'), __('Thursday', 'calendar'), __('Friday', 'calendar'), __('Saturday', 'calendar'), __('Sunday', 'calendar'));
}
// Carry on with the script
$name_months = array(1 => __('January', 'calendar'), __('February', 'calendar'), __('March', 'calendar'), __('April', 'calendar'), __('May', 'calendar'), __('June', 'calendar'), __('July', 'calendar'), __('August', 'calendar'), __('September', 'calendar'), __('October', 'calendar'), __('November', 'calendar'), __('December', 'calendar'));
// If we don't pass arguments we want a calendar that is relevant to today
if (empty($_GET['month']) || empty($_GET['yr'])) {
$c_year = date("Y");
$c_month = date("m");
$c_day = date("d");
}
// Years get funny if we exceed 3000, so we use this check
if ($_GET['yr'] <= 3000 && $_GET['yr'] >= 0) {
// This is just plain nasty and all because of permalinks
// which are no longer used, this will be cleaned up soon
if ($_GET['month'] == 'jan' || $_GET['month'] == 'feb' || $_GET['month'] == 'mar' || $_GET['month'] == 'apr' || $_GET['month'] == 'may' || $_GET['month'] == 'jun' || $_GET['month'] == 'jul' || $_GET['month'] == 'aug' || $_GET['month'] == 'sept' || $_GET['month'] == 'oct' || $_GET['month'] == 'nov' || $_GET['month'] == 'dec') {
// Again nasty code to map permalinks into something
// databases can understand. This will be cleaned up
$c_year = mysql_escape_string($_GET['yr']);
if ($_GET['month'] == 'jan') {
$t_month = 1;
} else {
if ($_GET['month'] == 'feb') {
$t_month = 2;
} else {
if ($_GET['month'] == 'mar') {
$t_month = 3;
} else {
if ($_GET['month'] == 'apr') {
$t_month = 4;
} else {
if ($_GET['month'] == 'may') {
$t_month = 5;
} else {
if ($_GET['month'] == 'jun') {
$t_month = 6;
} else {
if ($_GET['month'] == 'jul') {
$t_month = 7;
} else {
if ($_GET['month'] == 'aug') {
$t_month = 8;
} else {
if ($_GET['month'] == 'sept') {
$t_month = 9;
} else {
if ($_GET['month'] == 'oct') {
$t_month = 10;
} else {
if ($_GET['month'] == 'nov') {
$t_month = 11;
} else {
if ($_GET['month'] == 'dec') {
$t_month = 12;
}
}
}
}
}
}
}
}
}
}
}
}
$c_month = $t_month;
$c_day = date("d");
} else {
$c_year = date("Y");
$c_month = date("m");
$c_day = date("d");
}
} else {
$c_year = date("Y");
$c_month = date("m");
$c_day = date("d");
}
// Fix the days of the week if week start is not on a monday
if (get_option('start_of_week') == 0) {
$first_weekday = date("w", mktime(0, 0, 0, $c_month, 1, $c_year));
$first_weekday = $first_weekday == 0 ? 1 : $first_weekday + 1;
} else {
$first_weekday = date("w", mktime(0, 0, 0, $c_month, 1, $c_year));
$first_weekday = $first_weekday == 0 ? 7 : $first_weekday;
}
$days_in_month = date("t", mktime(0, 0, 0, $c_month, 1, $c_year));
// Start the table and add the header and naviagtion
$calendar_body .= '
<table cellspacing="1" cellpadding="0" class="calendar-table">
';
// We want to know if we should display the date switcher
$date_switcher = $wpdb->get_var("SELECT config_value FROM " . WP_CALENDAR_CONFIG_TABLE . " WHERE config_item='display_jump'", 0, 0);
if ($date_switcher == 'true') {
$calendar_body .= '<tr>
<td colspan="7" class="calendar-date-switcher">
<form method="GET" action="' . $_SERVER['REQUEST_URI'] . '">
';
$qsa = array();
parse_str($_SERVER['QUERY_STRING'], $qsa);
foreach ($qsa as $name => $argument) {
if ($name != 'month' && $name != 'yr') {
$calendar_body .= '<input type="hidden" name="' . $name . '" value="' . $argument . '" />
';
}
}
function month_comparison($month)
{
$current_month = strtolower(date("M", time()));
if (isset($_GET['yr']) && isset($_GET['month'])) {
if ($month == $_GET['month']) {
return ' selected="selected"';
}
} elseif ($month == $current_month) {
return ' selected="selected"';
}
}
// We build the months in the switcher
$calendar_body .= '
' . __('Month', 'calendar') . ': <select name="month" style="width:100px;">
<option value="jan"' . month_comparison('jan') . '>' . __('January', 'calendar') . '</option>
<option value="feb"' . month_comparison('feb') . '>' . __('February', 'calendar') . '</option>
<option value="mar"' . month_comparison('mar') . '>' . __('March', 'calendar') . '</option>
<option value="apr"' . month_comparison('apr') . '>' . __('April', 'calendar') . '</option>
<option value="may"' . month_comparison('may') . '>' . __('May', 'calendar') . '</option>
<option value="jun"' . month_comparison('jun') . '>' . __('June', 'calendar') . '</option>
<option value="jul"' . month_comparison('jul') . '>' . __('July', 'calendar') . '</option>
<option value="aug"' . month_comparison('aug') . '>' . __('August', 'calendar') . '</option>
<option value="sept"' . month_comparison('sept') . '>' . __('September', 'calendar') . '</option>
<option value="oct"' . month_comparison('oct') . '>' . __('October', 'calendar') . '</option>
<option value="nov"' . month_comparison('nov') . '>' . __('November', 'calendar') . '</option>
<option value="dec"' . month_comparison('dec') . '>' . __('December', 'calendar') . '</option>
</select>
' . __('Year', 'calendar') . ': <select name="yr" style="width:60px;">
';
// The year builder is string mania. If you can make sense of this,
// you know your PHP!
function year_comparison($year)
{
$current_year = strtolower(date("Y", time()));
if (isset($_GET['yr']) && isset($_GET['month'])) {
if ($year == $_GET['yr']) {
return ' selected="selected"';
}
} else {
if ($year == $current_year) {
return ' selected="selected"';
}
}
}
$past = 30;
$future = 30;
$fut = 1;
while ($past > 0) {
$p .= ' <option value="';
$p .= date("Y", time()) - $past;
$p .= '"' . year_comparison(date("Y", time()) - $past) . '>';
$p .= date("Y", time()) - $past . '</option>
';
$past = $past - 1;
}
while ($fut < $future) {
$f .= ' <option value="';
$f .= date("Y", time()) + $fut;
$f .= '"' . year_comparison(date("Y", time()) + $fut) . '>';
$f .= date("Y", time()) + $fut . '</option>
';
$fut = $fut + 1;
}
$calendar_body .= $p;
$calendar_body .= ' <option value="' . date("Y", time()) . '"' . year_comparison(date("Y", time())) . '>' . date("Y", time()) . '</option>
';
$calendar_body .= $f;
$calendar_body .= '</select>
<input type="submit" value="Go" />
</form>
</td>
</tr>
';
}
// The header of the calendar table and the links. Note calls to link functions
$calendar_body .= '<tr>
<td colspan="7" class="calendar-heading">
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td class="calendar-prev">' . prev_link($c_year, $c_month) . '</td>
<td class="calendar-month">' . $name_months[(int) $c_month] . ' ' . $c_year . '</td>
<td class="calendar-next">' . next_link($c_year, $c_month) . '</td>
</tr>
</table>
</td>
</tr>
';
// Print the headings of the days of the week
$calendar_body .= '<tr>
';
for ($i = 1; $i <= 7; $i++) {
// Colours need to be different if the starting day of the week is different
if (get_option('start_of_week') == 0) {
$calendar_body .= ' <td class="' . ($i < 7 && $i > 1 ? 'normal-day-heading' : 'weekend-heading') . '">' . $name_days[$i] . '</td>
';
} else {
$calendar_body .= ' <td class="' . ($i < 6 ? 'normal-day-heading' : 'weekend-heading') . '">' . $name_days[$i] . '</td>
';
}
}
$calendar_body .= '</tr>
';
for ($i = 1; $i <= $days_in_month;) {
$calendar_body .= '<tr>
';
for ($ii = 1; $ii <= 7; $ii++) {
if ($ii == $first_weekday && $i == 1) {
$go = TRUE;
} elseif ($i > $days_in_month) {
$go = FALSE;
}
if ($go) {
// Colours again, this time for the day numbers
if (get_option('start_of_week') == 0) {
// This bit of code is for styles believe it or not.
$grabbed_events = grab_events($c_year, $c_month, $i);
$no_events_class = '';
if (!count($grabbed_events)) {
$no_events_class = ' no-events';
}
$calendar_body .= ' <td class="' . (date("Ymd", mktime(0, 0, 0, $c_month, $i, $c_year)) == date("Ymd") ? 'current-day' : 'day-with-date') . $no_events_class . '"><span ' . ($ii < 7 && $ii > 1 ? '' : 'class="weekend"') . '>' . $i++ . '</span><span class="event">' . draw_events($grabbed_events) . '</span></td>
';
} else {
$grabbed_events = grab_events($c_year, $c_month, $i);
$no_events_class = '';
if (!count($grabbed_events)) {
$no_events_class = ' no-events';
}
$calendar_body .= ' <td class="' . (date("Ymd", mktime(0, 0, 0, $c_month, $i, $c_year)) == date("Ymd") ? 'current-day' : 'day-with-date') . $no_events_class . '"><span ' . ($ii < 6 ? '' : 'class="weekend"') . '>' . $i++ . '</span><span class="event">' . draw_events($grabbed_events) . '</span></td>
';
}
} else {
$calendar_body .= ' <td class="day-without-date"> </td>
';
}
}
$calendar_body .= '</tr>
';
}
$show_cat = $wpdb->get_var("SELECT config_value FROM " . WP_CALENDAR_CONFIG_TABLE . " WHERE config_item='enable_categories'", 0, 0);
if ($show_cat == 'true') {
$sql = "SELECT * FROM " . WP_CALENDAR_CATEGORIES_TABLE . " ORDER BY category_name ASC";
$cat_details = $wpdb->get_results($sql);
$calendar_body .= '<tr><td colspan="7">
<table class="cat-key">
<tr><td colspan="2"><strong>' . __('Category Key', 'calendar') . '</strong></td></tr>
';
foreach ($cat_details as $cat_detail) {
$calendar_body .= '<tr><td style="background-color:' . $cat_detail->category_colour . '; width:20px; height:20px;"></td><td>' . $cat_detail->category_name . '</td></tr>';
}
$calendar_body .= '</table>
</td></tr>
';
}
$calendar_body .= '</table>
';
// A little link to yours truely. See the README if you wish to remove this
$calendar_body .= '<div class="kjo-link" style="visibility:visible;display:block;"><p>' . __('Calendar developed and supported by ', 'calendar') . '<a href="http://www.kieranoshea.com">Kieran O\'Shea</a></p></div>
';
// Phew! After that bit of string building, spit it all out.
// The actual printing is done by the calling function.
return $calendar_body;
}
