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07ec659385
This project lived only on the server without version control. This is now the starting point for the repository.
78 lines
3.0 KiB
PHP
78 lines
3.0 KiB
PHP
<?php
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/*
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Question2Answer by Gideon Greenspan and contributors
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http://www.question2answer.org/
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File: qa-plugin/mouseover-layer/qa-mouseover-layer.php
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Description: Theme layer class for mouseover layer plugin
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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More about this license: http://www.question2answer.org/license.php
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*/
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class qa_html_theme_layer extends qa_html_theme_base
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{
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public function q_list($q_list)
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{
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if (!empty($q_list['qs']) && qa_opt('mouseover_content_on')) { // first check it is not an empty list and the feature is turned on
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// Collect the question ids of all items in the question list (so we can do this in one DB query)
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$postids = array();
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foreach ($q_list['qs'] as $question) {
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if (isset($question['raw']['postid']))
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$postids[] = $question['raw']['postid'];
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}
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if (!empty($postids)) {
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// Retrieve the content for these questions from the database
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$maxlength = qa_opt('mouseover_content_max_len');
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$result = qa_db_query_sub('SELECT postid, content, format FROM ^posts WHERE postid IN (#)', $postids);
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$postinfo = qa_db_read_all_assoc($result, 'postid');
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// Get the regular expression fragment to use for blocked words and the maximum length of content to show
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$blockwordspreg = qa_get_block_words_preg();
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// Now add the popup to the title for each question
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foreach ($q_list['qs'] as $index => $question) {
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if (isset($postinfo[$question['raw']['postid']])) {
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$thispost = $postinfo[$question['raw']['postid']];
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$text = qa_viewer_text($thispost['content'], $thispost['format'], array('blockwordspreg' => $blockwordspreg));
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$text = preg_replace('/\s+/', ' ', $text); // Remove duplicated blanks, new line characters, tabs, etc
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$text = qa_shorten_string_line($text, $maxlength);
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$title = isset($question['title']) ? $question['title'] : '';
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$q_list['qs'][$index]['title'] = $this->getHtmlTitle(qa_html($text), $title);
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}
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}
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}
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}
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parent::q_list($q_list); // call back through to the default function
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}
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/**
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* Returns the needed HTML to display the tip. Depending on the theme in use, this might need to be
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* tuned in order for the tip to be displayed properly
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*
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* @access private
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* @param string $mouseOverText Text of the tip
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* @param string $questionTitle Question title
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* @return string HTML needed to display the tip and the question title
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*/
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private function getHtmlTitle($mouseOverText, $questionTitle)
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{
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return sprintf('<span title="%s">%s</span>', $mouseOverText, $questionTitle);
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}
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}
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