/**
* Handle edgecases and validation for shortcode attributes.
*
* @link http://codex.wordpress.org/Formatting_Date_and_Time Date & Time formatting
* @param array $passed_atts Array of values to parse
* @param array $shortcode Name of shortcode being used (`wunderground`)
* @return array [description]
*/
function wunderground_parse_atts($passed_atts, $shortcode = 'wunderground')
{
$defaults = array('title' => __('Weather Forecast', 'wunderground'), 'location_title' => NULL, 'location_data' => '', 'city' => '', 'location' => '', 'iconset' => 'Incredible', 'numdays' => 5, 'class' => 'wp_wunderground', 'layout' => 'table-vertical', 'measurement' => 'english', 'datelabel' => 'm/d', 'language' => wunderground_get_language(), 'showdata' => array('search', 'alerts', 'daynames', 'pop', 'icon', 'text', 'conditions', 'date'), 'hidedata' => array());
// Use previous settings as defaults to better support backward compatibility
$defaults = wp_parse_args(get_option('wp_wunderground', array()), $defaults);
if (!empty($shortcode)) {
$atts = shortcode_atts($defaults, $passed_atts, $shortcode);
} else {
$atts = wp_parse_args((array) $passed_atts, $defaults);
}
$atts['datelabel'] = wunderground_get_date_format($atts['datelabel']);
// If there was no numdays passed,
// 4 is a better default for table-horizontal layout
if (empty($passed_atts['numdays'])) {
switch ($atts['layout']) {
case 'table-horizontal':
$atts['numdays'] = 4;
break;
}
}
// Convert comma-separated value to array
$atts['showdata'] = is_string($atts['showdata']) ? explode(',', $atts['showdata']) : $atts['showdata'];
if (!is_numeric($atts['numdays'])) {
Wunderground_Plugin::log_error(sprintf('"numdays" was set not a number: %s. Changed to the default: %d. wunderground_shortcode', $atts['numdays'], $defaults['numdays']));
$atts['numdays'] = $defaults['numdays'];
} else {
if (absint($atts['numdays']) > 10) {
Wunderground_Plugin::log_error(sprintf('"numdays" set too high in shortcode: %s. It was changed to the max: 10. wunderground_shortcode', $atts['numdays']));
$atts['numdays'] = 10;
}
}
// What to show in the search bar
if (empty($atts['location_title'])) {
$atts['location_title'] = $atts['location'];
}
// Process hidedata/showdata
if (!empty($atts['hidedata'])) {
$hidedata = is_array($atts['hidedata']) ? $hidedata : explode(',', $atts['hidedata']);
// For each hidedata, unset showdata.
foreach ($hidedata as $value) {
foreach ($atts['showdata'] as $k => $v) {
if ($v === $value) {
unset($atts['showdata'][$k]);
}
}
}
}
return $atts;
}
/**
* Generate and output the widget
*
* @see Wunderground_Template in class-template.php to generate data
*
* @param array $args Widget args
* @param array $instance Widget settings
*/
function widget($args, $instance)
{
$this->args = $args;
$instance['location_data'] = json_decode($instance['location_data'], true);
$this->instance = $instance;
$title = apply_filters('widget_title', !isset($instance['title']) ? NULL : $instance['title'], $instance, $this->id_base);
extract($args);
$location = $this->getLocation();
$request = new Wunderground_Request($location, null, $instance['language'], $instance['measurement']);
$forecast = new Wunderground_Forecast($request);
$data = $instance;
$data['widget'] = $args;
$data['class'] = isset($data['class']) ? $data['class'] : 'wp_wunderground';
$language_details = wunderground_get_language($data['language'], true);
if (!empty($language_details['rtl'])) {
$data['class'] .= ' wu-rtl';
}
$data['forecast'] = $forecast;
$data['location'] = $instance['city'];
$data['location_title'] = empty($instance['location_title']) ? $data['location'] : $instance['location_title'];
$data['wunderground'] = new KWS_Wunderground($request);
$data['datelabel'] = isset($data['datelabel']) ? $data['datelabel'] : wunderground_get_date_format();
// PWS is offline or something.
if (!empty($data['wunderground']->response->error)) {
$this->maybe_display_error($data['wunderground']->response->error);
do_action('wunderground_log_debug', 'There was an error in the Wunderground response:', $data['wunderground']->response->error);
return;
}
echo $before_widget;
if (!empty($title)) {
echo $before_title . $title . $after_title;
}
/**
* @see Wunderground_Template in class-template.php
*/
do_action('wunderground_render_template', $instance['layout'], $data);
echo $after_widget;
}
