/**
* @package Joomla.Plugin
* @subpackage Content.pagebreak
*
* @copyright Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
jimport('joomla.utilities.utility');
/**
* Page break plugin
*
* <b>Usage:</b>
* <code><hr class="system-pagebreak" /></code>
* <code><hr class="system-pagebreak" title="The page title" /></code>
* or
* <code><hr class="system-pagebreak" alt="The first page" /></code>
* or
* <code><hr class="system-pagebreak" title="The page title" alt="The first page" /></code>
* or
* <code><hr class="system-pagebreak" alt="The first page" title="The page title" /></code>
*
* @package Joomla.Plugin
* @subpackage Content.pagebreak
* @since 1.6
*/
class PlgContentPagebreak extends JPlugin
{
/**
* Load the language file on instantiation.
*
* @var boolean
* @since 3.1
*/
protected $autoloadLanguage = true;
/**
* Plugin that adds a pagebreak into the text and truncates text at that point
*
* @param string $context The context of the content being passed to the plugin.
* @param object &$row The article object. Note $article->text is also available
* @param mixed &$params The article params
* @param integer $page The 'page' number
*
* @return mixed Always returns void or true
*
* @since 1.6
*/
public function onContentPrepare($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';
$input = JFactory::getApplication()->input;
$print = $input->getBool('print');
$showall = $input->getBool('showall');
if (!$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;
}
$view = $input->getString('view');
$full = $input->getBool('fullview');
if (!$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 ($page)
{
if ($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
$pageNav = new JPagination($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 />';
$row->text .= '<div class="pager">';
// Adds navigation between pages to bottom of text.
if ($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];
$t[] = (string) JHtml::_($style . '.start', 'article' . $row->id . '-' . $style);
foreach ($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 = JText::sprintf('PLG_CONTENT_PAGEBREAK_PAGE_NUM', $key + 1);
}
$t[] = (string) JHtml::_($style . '.panel', $title, 'article' . $row->id . '-' . $style . $key);
}
$t[] = (string) $subtext;
}
$t[] = (string) JHtml::_($style . '.end');
$row->text = implode(' ', $t);
}
}
return true;
}
/**
* Creates a Table of Contents for the pagebreak
*
* @param object &$row The article object. Note $article->text is also available
* @param array &$matches Array of matches of a regex in onContentPrepare
* @param integer &$page The 'page' number
*
* @return void
*
* @since 1.6
*/
protected function _createTOC(&$row, &$matches, &$page)
{
$heading = isset($row->title)? $row->title : JText::_('PLG_CONTENT_PAGEBREAK_NO_TITLE');
$input = JFactory::getApplication()->input;
$limitstart = $input->getUInt('limitstart', 0);
$showall = $input->getInt('showall', 0);
// TOC header.
$row->toc = '<div class="pull-right article-index">';
if ($this->params->get('article_index') == 1)
{
$headingtext = JText::_('PLG_CONTENT_PAGEBREAK_ARTICLE_INDEX');
if ($this->params->get('article_index_text'))
{
htmlspecialchars($headingtext = $this->params->get('article_index_text'));
}
$row->toc .= '<h3>' . $headingtext . '</h3>';
}
// TOC first Page link.
$class = ($limitstart === 0 && $showall === 0)? 'toclink active' : 'toclink';
$row->toc .= '<ul class="nav nav-tabs nav-stacked">
<li class="' . $class . '">
<a href="' . JRoute::_(ContentHelperRoute::getArticleRoute($row->slug, $row->catid). '&showall=&limitstart='). '" class="' . $class . '">'
. $heading .
'</a>
</li>
';
$i = 2;
foreach ($matches as $bot)
{
$link = JRoute::_(ContentHelperRoute::getArticleRoute($row->slug, $row->catid). '&showall=&limitstart=' . ($i - 1));
if (@$bot[0])
{
$attrs2 = JUtility::parseAttributes($bot[0]);
if (@$attrs2['alt'])
{
$title = stripslashes($attrs2['alt']);
}
elseif (@$attrs2['title'])
{
$title = stripslashes($attrs2['title']);
}
else
{
$title = JText::sprintf('PLG_CONTENT_PAGEBREAK_PAGE_NUM', $i);
}
}
else
{
$title = JText::sprintf('PLG_CONTENT_PAGEBREAK_PAGE_NUM', $i);
}
$class = ($limitstart == $i - 1)? 'toclink active' : 'toclink';
$row->toc .= '
<li>
<a href="' . $link . '" class="' . $class . '">'
. $title .
'</a>
</li>
';
$i++;
}
if ($this->params->get('showall'))
{
$link = JRoute::_(ContentHelperRoute::getArticleRoute($row->slug, $row->catid). '&showall=1&limitstart=');
$class = ($showall == 1)? 'toclink active' : 'toclink';
$row->toc .= '
<li>
<a href="' . $link . '" class="' . $class . '">'
. JText::_('PLG_CONTENT_PAGEBREAK_ALL_PAGES').
'</a>
</li>
';
}
$row->toc .= '</ul></div>';
}
/**
* Creates the navigation for the item
*
* @param object &$row The article object. Note $article->text is also available
* @param int $page The total number of pages
* @param int $n The page number
*
* @return void
*
* @since 1.6
*/
protected function _createNavigation(&$row, $page, $n)
{
$pnSpace = '';
if (JText::_('JGLOBAL_LT') || JText::_('JGLOBAL_LT'))
{
$pnSpace = ' ';
}
if ($page < $n - 1)
{
$page_next = $page + 1;
$link_next = JRoute::_(ContentHelperRoute::getArticleRoute($row->slug, $row->catid). '&showall=&limitstart=' . ($page_next));
// Next >>
$next = '<a href="' . $link_next . '">' . JText::_('JNEXT'). $pnSpace . JText::_('JGLOBAL_GT'). JText::_('JGLOBAL_GT'). '</a>';
}
else
{
$next = JText::_('JNEXT');
}
if ($page > 0)
{
$page_prev = $page - 1 == 0 ? '' : $page - 1;
$link_prev = JRoute::_(ContentHelperRoute::getArticleRoute($row->slug, $row->catid). '&showall=&limitstart=' . ($page_prev));
// << Prev
$prev = '<a href="' . $link_prev . '">' . JText::_('JGLOBAL_LT'). JText::_('JGLOBAL_LT'). $pnSpace . JText::_('JPREV'). '</a>';
}
else
{
$prev = JText::_('JPREV');
}
$row->text .= '<ul><li>' . $prev . ' </li><li>' . $next . '</li></ul>';
}
}
03.12.2019, 06:24:56