public function show_settings()
{
if (!current_user_can('manage_options')) {
wp_die(__('You do not have sufficient permissions to access this page.'));
}
$out = '';
if (!isset($_GET['tab'])) {
$_GET['tab'] = 'general';
}
// check for changed settings
if (isset($_GET['settings-updated'])) {
// show "settings saved" message
$out .= '<div id="message" class="updated">
<p><strong>' . __('Settings saved.', 'event-list') . '</strong></p>
</div>';
// check feed rewrite status and update it if required
if ('feed' == $_GET['tab']) {
require_once EL_PATH . 'includes/feed.php';
EL_Feed::get_instance()->update_feed_rewrite_status();
}
}
// normal output
$out .= '
<div class="wrap">
<div id="icon-edit-pages" class="icon32"><br /></div><h2>' . __('Event List Settings', 'event-list') . '</h2>';
$out .= $this->show_tabs($_GET['tab']);
$out .= '<div id="posttype-page" class="posttypediv">';
$out .= $this->functions->show_option_form($_GET['tab']);
$out .= '
</div>
</div>';
echo $out;
}
/**
* Constructor:
* Initializes the plugin.
*/
public function __construct()
{
$this->shortcode = null;
$this->styles_loaded = false;
// ALWAYS:
// Register shortcodes
add_shortcode('event-list', array(&$this, 'shortcode_event_list'));
// Register widgets
add_action('widgets_init', array(&$this, 'widget_init'));
// Add RSS Feed page
$options = EL_Options::get_instance();
if ($options->get('el_enable_feed')) {
include_once EL_PATH . 'includes/feed.php';
$feed = EL_Feed::get_instance();
}
// ADMIN PAGE:
if (is_admin()) {
// Include required php-files and initialize required objects
require_once EL_PATH . 'admin/admin.php';
EL_Admin::get_instance()->init_admin_page();
} else {
// Register actions
add_action('wp_print_styles', array(&$this, 'print_styles'));
}
}
public static function &get_instance()
{
// Create class instance if required
if (!isset(self::$instance)) {
self::$instance = new self();
}
// Return class instance
return self::$instance;
}
private function html_feed_link(&$a, $pos)
{
$out = '';
if ($this->options->get('el_enable_feed') && 'true' === $a['add_feed_link'] && $pos === $this->options->get('el_feed_link_pos')) {
// prepare url
require_once EL_PATH . 'includes/feed.php';
$feed_link = EL_Feed::get_instance()->eventlist_feed_url();
// prepare align
$align = $this->options->get('el_feed_link_align');
if ('left' !== $align && 'center' !== $align && 'right' !== $align) {
$align = 'left';
}
// prepare image
$image = '';
if ('' !== $this->options->get('el_feed_link_img')) {
$image = '<img src="' . includes_url('images/rss.png') . '" alt="rss" />';
}
// prepare text
$text = $image . esc_attr($this->options->get('el_feed_link_text'));
// create html
$out .= '<div class="feed" style="text-align:' . $align . '">
<a href="' . $feed_link . '">' . $text . '</a>
</div>';
}
return $out;
}
public function feed_init()
{
if ($this->options->get('el_enable_feed')) {
include_once EL_PATH . 'includes/feed.php';
EL_Feed::get_instance();
}
}