/**
* @param string The context of the content being passed to the plugin.
* @param object The article object. Note $article->text is also available
* @param object The article params
* @param int The 'page' number
*
* @return void
* @since 1.6
*/
public function onContentPrepare($context, &$row, &$params, $page = 0)
{
$canProceed = $context == 'com_content.article';
if (!$canProceed) {
return;
}
$style = $this->params->get('style', 'pages');
// Expression to search for.
$regex = '#<hr(.*)class="system-pagebreak"(.*)\\/>#iU';
$print = Request::getBool('print');
$showall = Request::getBool('showall');
if (!$this->params->get('enabled', 1)) {
$print = true;
}
if ($print) {
$row->text = preg_replace($regex, '<br />', $row->text);
return true;
}
// Simple performance check to determine whether bot should process further.
if (JString::strpos($row->text, 'class="system-pagebreak') === false) {
return true;
}
$db = App::get('db');
$view = Request::getString('view');
$full = Request::getBool('fullview');
if (!$page) {
$page = 0;
}
if ($params->get('intro_only') || $params->get('popup') || $full || $view != 'article') {
$row->text = preg_replace($regex, '', $row->text);
return;
}
// Find all instances of plugin and put in $matches.
$matches = array();
preg_match_all($regex, $row->text, $matches, PREG_SET_ORDER);
if ($showall && $this->params->get('showall', 1)) {
$hasToc = $this->params->get('multipage_toc', 1);
if ($hasToc) {
// Display TOC.
$page = 1;
$this->_createToc($row, $matches, $page);
} else {
$row->toc = '';
}
$row->text = preg_replace($regex, '<br />', $row->text);
return true;
}
// Split the text around the plugin.
$text = preg_split($regex, $row->text);
// Count the number of pages.
$n = count($text);
// We have found at least one plugin, therefore at least 2 pages.
if ($n > 1) {
$title = $this->params->get('title', 1);
$hasToc = $this->params->get('multipage_toc', 1);
// Adds heading or title to <site> Title.
if ($title) {
if ($page) {
$page_text = $page + 1;
if ($page && @$matches[$page - 1][2]) {
$attrs = JUtility::parseAttributes($matches[$page - 1][1]);
if (@$attrs['title']) {
$row->page_title = $attrs['title'];
}
}
}
}
// Reset the text, we already hold it in the $text array.
$row->text = '';
if ($style == 'pages') {
// Display TOC.
if ($hasToc) {
$this->_createToc($row, $matches, $page);
} else {
$row->toc = '';
}
// traditional mos page navigation
$pageNav = new \Hubzero\Pagination\Paginator($n, $page, 1);
// Page counter.
$row->text .= '<div class="pagenavcounter">';
$row->text .= $pageNav->getPagesCounter();
$row->text .= '</div>';
// Page text.
$text[$page] = str_replace('<hr id="system-readmore" />', '', $text[$page]);
$row->text .= $text[$page];
// $row->text .= '<br />';
$row->text .= '<div class="pagination">';
// Adds navigation between pages to bottom of text.
if ($hasToc) {
$this->_createNavigation($row, $page, $n);
}
// Page links shown at bottom of page if TOC disabled.
if (!$hasToc) {
$row->text .= $pageNav->getPagesLinks();
}
$row->text .= '</div>';
} else {
$t[] = $text[0];
$t[] = (string) Html::$style('start');
foreach ($text as $key => $subtext) {
if ($key >= 1) {
$match = $matches[$key - 1];
$match = (array) JUtility::parseAttributes($match[0]);
if (isset($match['alt'])) {
$title = stripslashes($match["alt"]);
} elseif (isset($match['title'])) {
$title = stripslashes($match['title']);
} else {
$title = Lang::txt('PLG_CONTENT_PAGEBREAK_PAGE_NUM', $key + 1);
}
$t[] = (string) Html::$style('panel', $title, 'basic-details');
}
$t[] = (string) $subtext;
}
$t[] = (string) Html::$style('end');
$row->text = implode(' ', $t);
}
}
return true;
}
