taxonomy.php

<?php
/**
 * @package Content Aware Sidebars
 * @author Joachim Jensen <jv@intox.dk>
 */

/**
 *
 * Taxonomy Module
 *
 * Detects if current content has/is:
 * a) any term of specific taxonomy or specific term
 * b) taxonomy archive or specific term archive
 *
 */
class CASModule_taxonomy extends CASModule {

    private $taxonomy_objects;
    private $post_terms;

    public function __construct() {
        parent::__construct();
        $this->id = 'taxonomies';
        $this->name = __('Taxonomies','content-aware-sidebars');
    }

    public function is_content() {
        if(is_singular()) {
            // Check if content has any taxonomies supported
            $taxonomies = get_object_taxonomies(get_post_type());
            if($taxonomies) {
                $this->post_terms = wp_get_object_terms(get_the_ID(),$taxonomies);
                // Check if content has any actual taxonomy terms
                if($this->post_terms) {
                    return true;
                }
            }
        } else if(is_tax() || is_category() || is_tag()) {
            return true;
        }
        return false;
    }

    public function db_join() {
        global $wpdb;

        $joins = "LEFT JOIN $wpdb->term_relationships term ON term.object_id = posts.ID ";
        $joins .= "LEFT JOIN $wpdb->term_taxonomy taxonomy ON taxonomy.term_taxonomy_id = term.term_taxonomy_id ";
        $joins .= "LEFT JOIN $wpdb->terms terms ON terms.term_id = taxonomy.term_id ";
        $joins .= "LEFT JOIN $wpdb->postmeta taxonomies ON taxonomies.post_id = posts.ID AND taxonomies.meta_key = '".ContentAwareSidebars::prefix."taxonomies'";

        return $joins;

    }

    public function db_where() {

        if(is_singular()) {
            $terms = array();
            $taxonomies = array();

            //Grab posts terms and make where rules for taxonomies.
            foreach($this->post_terms as $term) {
                $terms[$term->taxonomy][] = $term->slug;
                if(!isset($taxonomies[$term->taxonomy])) {
                    $taxonomies[$term->taxonomy] = $term->taxonomy;
                }
            }

            foreach($terms as $taxonomy => $term_arr) {
                $testecho[] = "(taxonomy.taxonomy = '".$taxonomy."' AND terms.slug IN('".implode("','",$term_arr)."'))";
            }

            return "(terms.slug IS NULL OR ".implode(" OR ",$testecho).") AND (taxonomies.meta_value IS NULL OR taxonomies.meta_value IN('".implode("','",$taxonomies)."'))";

            //return "(terms.slug IS NULL OR terms.slug IN('".implode("','",$terms)."')) AND (taxonomies.meta_value IS NULL OR taxonomies.meta_value IN('".implode("','",$taxonomies)."'))";
        }
        $term = get_queried_object();

        return "(taxonomy.taxonomy = '".$term->taxonomy."' AND terms.slug = '".$term->slug."')";

    }

    public function db_where2() {
        return "terms.slug IS NOT NULL OR taxonomies.meta_value IS NOT NULL";
    }

    public function _get_content() {

    }

    public function meta_box_content() {
        global $post;

        foreach ($this->_get_taxonomies() as $taxonomy) {
            echo '<h4><a href="#">' . $taxonomy->label . '</a></h4>'."\n";
            echo '<div class="cas-rule-content" id="cas-' . $this->id . '-' . $taxonomy->name . '">';

            $meta = get_post_meta($post->ID, ContentAwareSidebars::prefix . 'taxonomies', false);
            $current = $meta != '' ? $meta : array();

            $terms = get_terms($taxonomy->name, array('get' => 'all','number' => 200));

            echo '<p>' . "\n";
            echo '<label><input type="checkbox" name="taxonomies[]" value="' . $taxonomy->name . '"' . checked(in_array($taxonomy->name, $current), true, false) . ' /> ' . sprintf(__('Show with %s', 'content-aware-sidebars'), $taxonomy->labels->all_items) . '</label>' . "\n";
            echo '</p>' . "\n";
            if (!$terms || is_wp_error($terms)) {
                echo '<p>' . __('No items.') . '</p>';
            } else {
                ?>
                    <div id="taxonomy-<?php echo $taxonomy->name; ?>" class="categorydiv" style="min-height:100%;">
                        <ul id="<?php echo $taxonomy->name; ?>-tabs" class="category-tabs">
                            <li class="hide-if-no-js"><a href="#<?php echo $taxonomy->name; ?>-pop" tabindex="3"><?php _e('Most Used'); ?></a></li>
                            <li class="tabs"><a href="#<?php echo $taxonomy->name; ?>-all" tabindex="3"><?php _e('View All'); ?></a></li>
                        </ul>

                        <div id="<?php echo $taxonomy->name; ?>-pop" class="tabs-panel" style="display: none;min-height:100%;">
                            <ul id="<?php echo $taxonomy->name; ?>checklist-pop" class="categorychecklist form-no-clear" >
                <?php $popular_ids = cas_popular_terms_checklist($taxonomy); ?>
                            </ul>
                        </div>

                        <div id="<?php echo $taxonomy->name; ?>-all" class="tabs-panel" style="min-height:100%;">
                            <input type="hidden" name="<?php echo ($taxonomy->name == "category" ? "post_category[]" : "tax_input[$taxonomy->name]"); ?>" value="0" />
                            <ul id="<?php echo $taxonomy->name; ?>checklist" class="list:<?php echo $taxonomy->name ?> categorychecklist form-no-clear">
                <?php cas_terms_checklist($post->ID, array('taxonomy' => $taxonomy, 'popular_terms' => $popular_ids, 'terms' => $terms)) ?>
                            </ul>
                        </div>
                    </div>
                <?php
            }
            echo '</div>'."\n";
        }
    }

    private function _get_taxonomies() {
        // List public taxonomies
        if (empty($this->taxonomy_objects)) {
            foreach (get_taxonomies(array('public' => true), 'objects') as $tax) {
                $this->taxonomy_objects[$tax->name] = $tax;
            }
        }
        return $this->taxonomy_objects;
    }

}