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<?php
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// $Id: computed_facets.module,v 1.1 2009/05/01 20:22:10 davidlesieur Exp $
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/**
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* @file
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* Exposes CCK Computed fields as facets.
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*/
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module_load_include('inc', 'cck_facets');
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/**
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* Implementation of hook_cck_facets_collect().
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*/
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function computed_facets_cck_facets_collect(&$facets, $field, $domain, $env, $arg = NULL) {
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if ($field['type'] == 'computed' && $field['store']) {
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switch ($domain) {
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case 'facets':
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$facets[] = new computed_facet($field);
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break;
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case 'text':
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// Scan the given search text for a '{field_name}:"{value}"'
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// token, and create facets from it.
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if (!is_null($computed = faceted_search_quoted_query_extract($arg, $field['field_name']))) {
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// Create an active facet with the value found in the search text.
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$category = new cck_facet_category($field, $computed);
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$facets[] = new computed_facet($field, array($category));
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// Remove the parsed text
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$arg = faceted_search_quoted_query_insert($arg, $field['field_name']);
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}
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break;
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case 'node':
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if (isset($arg->{$field['field_name']}) && is_array($arg->{$field['field_name']})) {
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// Iterate through the field's multiple values.
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foreach ($arg->{$field['field_name']} as $item) {
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$value = array_shift($item);
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if ($value != '') {
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$category = new cck_facet_category($field, $value);
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$facets[] = new computed_facet($field, array($category));
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}
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}
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}
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break;
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}
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}
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return $arg;
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}
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/**
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* A facet for CCK Computed fields.
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*/
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class computed_facet extends cck_facet {
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function computed_facet($field, $active_path = array()) {
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parent::cck_facet($field, $active_path);
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}
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function get_text() {
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if ($category = $this->get_active_category()) {
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// Quote and escape the value.
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return '"'. faceted_search_quoted_query_escape($category->_value) .'"';
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}
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return '';
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}
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}
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