/**
* Updates the $instance of the widget in the database on Save
*
* @param $new_instance array New instance proposed for save
* @param $old_instance array Old version of the instance
*
* return array Cleansed $instance with pre-processed taxonomies field added to save processing when displayed
*/
function update($new_instance, $old_instance)
{
// Tidy up inputs
$instance = $new_instance;
$instance['title'] = strip_tags($new_instance['title']);
$instance['category_title'] = strip_tags($new_instance['category_title']);
$instance['set_categories'] = str_replace(' ', '', strip_tags($new_instance['set_categories']));
$instance['set_pages'] = strip_tags($new_instance['set_pages']);
return taxonomy_picker_taxonomies_array($instance);
// Pre-process the instance for efficiency
}
public function __construct($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'] ? $instance['results_order'] : '_DESC';
return true;
}
function taxonomy_picker_display_widget($instance, $args = null)
{
// Check whether we displaying the results of a prevous use (ie. silverghyll_tpicker is set)
$tpicker_inputs = taxonomy_picker_tpicker_array();
// Get the configuration options from the database
$tpicker_options = get_option('taxonomy-picker-options');
$labels_after = isset($tpicker_options['labels_after']);
$show_count = array_key_exists('show-count', $tpicker_options) ? 'on' : '';
// Upgrade defence for v1.8 - won't be needed long term. If taxonomies haven't been set, process the instance
if (empty($instance['taxonomies'])) {
$instance = taxonomy_picker_taxonomies_array($instance);
}
// Pre-process the instance for efficiency
// Main display section starts here - builds a form which is passed via POST
if ($args) {
extract($args);
// Unpack $before_widget etc
} else {
$before_widget = '<div class="widget taxonomy-picker widget-taxonomy-picker"><div class="widget-inside">';
$after_widget = '</div></div>';
}
$title = apply_filters('widget_title', $instance['title']);
$result = $before_widget;
if ($title) {
$result .= $before_title . $title . $after_title;
}
$result .= '<form method="post" action="' . $_SERVER['REQUEST_URI'] . '" class="taxonomy-picker" id="taxonomy-picker"><ul class="taxonomy-list">';
$search_text = $tpicker_options['search-text'] ? $tpicker_options['search-text'] : __('Search');
if (!array_key_exists('hidesearch', $instance)) {
// Option suppresses
$result .= "<li class='home search first'>";
if ($labels_after) {
$result .= "<input name='s' value='' type='text' style='width:90%;'></li>";
// Search text box
$result .= "<label>" . apply_filters('tpicker_search-text', $search_text) . "</label><br/>";
} else {
$result .= "<label>" . apply_filters('tpicker_search-text', $search_text) . "</label><br/>";
$result .= "<input name='s' value='' type='text' style='width:90%;'></li>";
// Search text box
}
$css_class = "";
} else {
$css_class = 'first home ';
}
foreach ($instance['taxonomies'] as $taxonomy_name => $data_item) {
// Loop through chosen list of taxonomies
$taxonomy = get_taxonomy($taxonomy_name);
// Get the taxonomy object
$tax_label = ($taxonomy_name == 'category' ? $instance['category_title'] : $taxonomy->label) . $tpicker_options['punctuation'];
$taxies[$tax_label] = $data_item;
}
ksort($taxies);
//Put taxonomies into alpha label order
$taxies = apply_filters('tpicker_taxonomies', $taxies);
// Filter taxonomy order
foreach ($taxies as $tax_label => $data_item) {
// Loop through chosen list of taxonomies (by string detection on all items in the array)
// Set up any request for the sorting of the terms
if ($data_item['orderby']) {
$term_args['orderby'] = $data_item['orderby'];
}
if ($data_item['sort']) {
$term_args['order'] = $data_item['sort'];
}
switch ($tpicker_options['empty-terms']) {
// How to handle empty items
case 'always':
$term_args['hide_empty'] = 0;
break;
case 'never':
$term_args['hide_empty'] = 1;
$term_args['hierarchical'] = 1;
break;
case 'sometimes':
$term_args['hide_empty'] = 1;
$term_args['hierarchical'] = 1;
}
$taxonomy_name = $data_item['name'];
$taxonomy = get_taxonomy($taxonomy_name);
// Get the taxonomy object
if ($taxonomy_name == "post_tag") {
$terms = get_tags($term_args);
$taxonomy_name = "tag";
} else {
$terms = $data_item['orderby'] == 'tree' ? silverghyll_get_terms_tree($taxonomy_name, $term_args) : get_terms($taxonomy_name, $term_args);
}
if ($data_item['hidden']) {
$result .= "<input type='hidden' name='{$taxonomy_name}' value='" . $data_item['value'] . "' />";
} elseif (taxonomy_picker_all_text($tax_label) != 'N/A') {
// Main live display of combobox
$css_class .= $data_item['orderby'];
$result .= "<li class='{$css_class}'>";
if (!$labels_after) {
$result .= "<label style='float:left;'>{$tax_label}</label>";
}
// Multi-select combo boxes?
$multi = array_key_exists('combo', $instance) ? $instance['combo'] : 'flat';
// Transitional code as combo may not exist if widget has not been saved since 1.13.0
if (apply_filters('tpicker_multi_select', $multi, $tax_label) == 'multi') {
// Filter allows one to be turned on or off
$result .= "<select name='{$taxonomy_name}[]' multiple>";
} else {
$result .= "<select name='{$taxonomy_name}'>";
}
$result .= "<option value='{$taxonomy_name}=tp-all'>" . taxonomy_picker_all_text($tax_label) . "</option>";
$css_class = '';
// After home reset to ''
foreach ($terms as $term) {
// Loop through terms in the taxonomy
// ** Categories only ** //
if ($taxonomy_name == 'category') {
$option_name = 'cat=' . $term->term_id;
// Pass in a format which suits query_posts - for categories cat=id works best
$cats = explode(',', $instance['set_categories']);
if ($instance['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
$allowed = false;
foreach ($cats as $cat) {
// Test against each of our permitted categories
if ($cat == $term->term_id) {
// Category matches so allowed
$allowed = true;
break;
}
}
} elseif ($instance['choose_categories'] == 'E') {
// Reject specified categories
$set_categories = 'cat=-' . str_replace(',', ',-', $instance['set_categories']);
// Prefix each cat id with - to exclude it
$allowed = true;
foreach ($cats as $cat) {
if ($cat == $term->term_id) {
// Category matches so disallowed - break out of loop
$allowed = false;
break;
}
}
// No category match so allow to proceed
} else {
// all - no display testing needed but we need to set $set_categories;
$set_categories = '';
$allowed = true;
// All categories allowed
}
// ** Other Taxonomies ** //
} else {
$allowed = true;
$option_name = $taxonomy_name . '=' . $term->slug;
}
$t_name = __($term->name);
$selected = '';
if (empty($tpicker_inputs)) {
$selected = $data_item['value'] == $taxonomy_name . '=' . $term->slug ? 'on' : '';
} else {
$input_value = $tpicker_inputs[$taxonomy_name];
$selected = $input_value == $term->slug ? 'on' : '';
}
if ($show_count and $allowed) {
$result .= taxonomy_picker_widget_select_option($option_name, "{$t_name} ({$term->count})", $selected, $term->parent);
} elseif ($allowed) {
$result .= taxonomy_picker_widget_select_option($option_name, $t_name, $selected, $term->parent);
}
}
$result .= "</select>";
if ($labels_after) {
$result .= "<label style='float:left;'>{$tax_label}</label>";
}
$result .= "</li>";
}
// Hidden?
}
unset($taxies);
$result .= apply_filters('tpicker_form_after_fields', "");
// Filter taxonomy order
$result .= "<input type='hidden' name='set_categories' value='" . $set_categories . "' />";
$result .= "<input type='hidden' name='kate-phizackerley' value='taxonomy-picker' />";
$result .= '<li style="height:8px;" class="last"></li></ul><p style="text-align:center;margin:0 auto;">';
if (isset($tpicker_options['remember'])) {
// $result .= "<p onclick='document.getElementById(\"taxonomy-picker\").reset()';>Clear</p>"; // Sort out in v2.0
} else {
$result .= '<input type="reset" value="' . apply_filters('tpicker_reset', 'Reset') . '" style="margin-right:10%;" />';
}
$result .= "<input type='submit' value='{$search_text}' class='tpicker-submit'/></p></form>";
$result .= $after_widget;
return $result;
}