<?php /* Question2Answer (c) Gideon Greenspan http://www.question2answer.org/ File: qa-plugin/mouseover-layer/qa-mouseover-layer.php Version: See define()s at top of qa-include/qa-base.php Description: Theme layer class for mouseover layer plugin This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. More about this license: http://www.question2answer.org/license.php */ class qa_html_theme_layer extends qa_html_theme_base { public function q_list($q_list) { if (count(@$q_list['qs']) && qa_opt('mouseover_content_on')) { // first check it is not an empty list and the feature is turned on // Collect the question ids of all items in the question list (so we can do this in one DB query) $postids=array(); foreach ($q_list['qs'] as $question) if (isset($question['raw']['postid'])) $postids[]=$question['raw']['postid']; if (count($postids)) { // Retrieve the content for these questions from the database and put into an array $result=qa_db_query_sub('SELECT postid, content, format FROM ^posts WHERE postid IN (#)', $postids); $postinfo=qa_db_read_all_assoc($result, 'postid'); // Get the regular expression fragment to use for blocked words and the maximum length of content to show $blockwordspreg=qa_get_block_words_preg(); $maxlength=qa_opt('mouseover_content_max_len'); // Now add the popup to the title for each question foreach ($q_list['qs'] as $index => $question) { $thispost=@$postinfo[$question['raw']['postid']]; if (isset($thispost)) { $text=qa_viewer_text($thispost['content'], $thispost['format'], array('blockwordspreg' => $blockwordspreg)); $text=qa_shorten_string_line($text, $maxlength); $q_list['qs'][$index]['title']='<span title="'.qa_html($text).'">'.@$question['title'].'</span>'; } } } } qa_html_theme_base::q_list($q_list); // call back through to the default function } } /* Omit PHP closing tag to help avoid accidental output */