public function __construct($instance, $args)
{
// Check whether we displaying the results of a prevous use (ie. silverghyll_tpicker is set)
$this->inputs = apply_filters('tpicker_inputs', taxonomy_picker_tpicker_array());
// Get the configuration options from the database
$this->options = apply_filters('tpicker_options', get_option('taxonomy-picker-options'));
if (empty($this->options['empty-terms'])) {
$this->options['empty-terms'] = 'always';
}
// Upgrade defence for new option
// Upgrade defence for v1.8 - won't be needed long term. If taxonomies haven't been set, process the instance
if (empty($instance['taxonomies'])) {
$instance = taxonomy_picker_taxonomies_array($instance);
}
// Pre-process the instance for efficiency
$this->combo = $instance['combo'];
// Saved our combobox type
$set_categories = '';
//We may set a value
if (!empty($instance['taxonomies']) and is_array($instance['taxonomies'])) {
// Protect from nothing chosen
foreach ($instance['taxonomies'] as $taxonomy_name => $data_item) {
// Loop through chosen list of taxonomies
if ($taxonomy_name == 'post_type') {
$tax_label = 'Post Type';
} else {
$taxonomy = get_taxonomy($taxonomy_name);
// Taxonomy name is dynamic in case it has changed
if ($taxonomy_name == 'category' and !empty($instance['category_title'])) {
$tax_label = $instance['category_title'];
} elseif (is_object($taxonomy)) {
$tax_label = $taxonomy->label;
} else {
// Probably a string (e.g. post_type) so use the information we have
$tax_Label = $taxonomy_name;
}
}
// ==Post Type?
$tax_label = __($tax_label, 'tpicker') . $this->options['punctuation'];
$this->taxonomies[$tax_label] = $data_item;
}
ksort($this->taxonomies);
//Put taxonomies into alpha label order
}
$this->taxonomies = apply_filters('tpicker_taxonomies', $this->taxonomies);
// Filter taxonomy order
if ($args) {
extract($args);
}
// Unpack $before_widget etc
$this->title = apply_filters('widget_title', $instance['title']);
if ($this->title) {
$this->title = $this->before_title . $this->title . $this->after_title;
}
// Wrap it
$this->id = array_key_exists('id', $instance) ? $instance['id'] : 'unset';
$this->before_widget = apply_filters('tpicker_before', $before_widget ? $before_widget : $this->before_widget);
$this->after_widget = apply_filters('tpicker_after', $after_widget ? $after_widget : $this->after_widget);
$this->hidesearch = array_key_exists('hidesearch', $instance) ? true : false;
// Defaults to show (false)
$this->date_match = $instance['date_match'];
// Must be present so just read in
$this->choose_categories = $instance['choose_categories'];
$cats = explode(',', $this->set_categories);
// Limit list of categories
if ($this->choose_categories == 'I') {
// Only allow specified categories
$set_categories = 'cat=' . $instance['set_categories'];
// We can pass it as is because it will become the list of all categories for query_posts
$cats = explode(',', $instance['set_categories']);
// Should be a list of cat IDs
foreach ($cats as $cat) {
// Test against each of our permitted categories
$this->categories[$cat] = get_term_by('ID', $cat, 'category');
// Add individual categories to the array
}
} elseif ($instance['choose_categories'] == 'E') {
// Reject specified categories
$set_categories = 'cat=-' . str_replace(',', ',-', $instance['set_categories']);
// Prefix each cat id with - to exclude it
$all_cats[] = get_terms('category');
// Add individual categories to the array
foreach ($all_cats as $acat) {
// Test against each of our permitted categories
$allowed = true;
foreach ($cats as $cat) {
// Test against each of our permitted categories
if ($acat->ID == $cat) {
$allowed = false;
break;
}
}
if ($allowed) {
$this->categories[$cat] = get_term($cat, 'category');
// Add individual categories to the array
}
}
}
// Set default term arguments for get_terms
switch ($this->options['empty-terms']) {
// How to handle empty items
case 'always':
$this->term_args['hide_empty'] = 0;
break;
case 'never':
$this->term_args['hide_empty'] = 1;
$this->term_args['hierarchical'] = 1;
break;
case 'sometimes':
$this->term_args['hide_empty'] = 1;
$this->term_args['hierarchical'] = 1;
}
$this->term_args['pad_counts'] = 1;
// Add options for optional ordering of results
$this->orderby = $instance['results_orderby'] ? $instance['results_orderby'] : '_default';
// Default value for people upgrading from earlier widget versions
$this->order = $instance['results_order'] ? $instance['results_order'] : '_DESC';
return true;
}
function tpicker_query_string()
{
// Check whether we displaying the results of a prevous use (ie. silverghyll_tpicker is set)
$tpicker_inputs = taxonomy_picker_tpicker_array();
if (empty($tpicker_inputs)) {
return "";
} else {
foreach ($tpicker_inputs as $key => $data) {
$taxonomy = get_taxonomy($key == 'tag' ? 'post_tag' : $key);
$result .= $taxonomy->label . ': ' . $data . '; ';
}
}
return $result;
}