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<?php
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/**
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* @file
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* User menu callbacks for privatemsg_filter module.
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*/
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/**
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* Return autocomplete results for tags.
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*
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* Most of this code has been lifted/modified from privatemsg_user_name_autocomplete().
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*/
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function privatemsg_filter_tags_autocomplete($string) {
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// 1: Parse $string and build a list of tags.
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$tags = array();
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$fragments = explode(',', $string);
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foreach ($fragments as $tag) {
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$tag = trim($tag);
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$tags[$tag] = $tag;
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}
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// 2: Find the next tag suggestion.
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$fragment = array_pop($tags);
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$matches = array();
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if (!empty($fragment)) {
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$query = _privatemsg_assemble_query(array('tags_autocomplete', 'privatemsg_filter'), $fragment, $tags);
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$prefix = count($tags) ? implode(", ", $tags) . ", " : '';
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// 3: Build proper suggestions and print.
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foreach ($query->execute() as $tag) {
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$matches[$prefix . $tag->tag . ", "] = $tag->tag;
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}
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}
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// convert to object to prevent drupal bug, see http://drupal.org/node/175361
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drupal_json_output((object)$matches);
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}
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