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<?php
/**
* @version $Id: pagebreak.php 9764 2007-12-30 07:48:11Z ircmaxell $
* @package Joomla
* @copyright Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );
$mainframe->registerEvent( 'onPrepareContent', 'plgContentPagebreak' );
/**
* Page break plugin
*
* <b>Usage:</b>
* <code><hr class="system-pagebreak" /></code>
* <code><hr class="system-pagebreak" title="The page title" /></code>
* or
* <code><hr class="system-pagebreak" alt="The first page" /></code>
* or
* <code><hr class="system-pagebreak" title="The page title" alt="The first page" /></code>
* or
* <code><hr class="system-pagebreak" alt="The first page" title="The page title" /></code>
*
*/
function plgContentPagebreak( &$row, &$params, $page=0 )
{
// expression to search for
$regex = '#<hr(.*)class=\"system-pagebreak\"(.*)\/>#iU';
// Get Plugin info
$plugin =& JPluginHelper::getPlugin('content', 'pagebreak');
$pluginParams = new JParameter( $plugin->params );
$print = JRequest::getBool('print');
$showall = JRequest::getBool('showall');
if (!$pluginParams->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 =& JFactory::getDBO();
$full = JRequest::getBool('fullview');
if(!$page) {
$page = 0;
}
// check whether plugin has been unpublished
if (!JPluginHelper::isEnabled('content', 'pagebreak') || $params->get( 'intro_only' )|| $params->get( 'popup' ) || $full) {
$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 && $pluginParams->get('showall', 1) ))
{
$hasToc = $pluginParams->get( 'multipage_toc', 1 );
if ( $hasToc ) {
// display TOC
$page = 1;
plgContentCreateTOC( $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)
{
// Get plugin parameters
$pluginParams = new JParameter( $plugin->params );
$title = $pluginParams->get( 'title', 1 );
$hasToc = $pluginParams->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 = '';
// display TOC
if ( $hasToc ) {
plgContentCreateTOC( $row, $matches, $page );
} else {
$row->toc = '';
}
// traditional mos page navigation
jimport('joomla.html.pagination');
$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="pagenavbar">';
// adds navigation between pages to bottom of text
if ( $hasToc ) {
plgContentCreateNavigation( $row, $page, $n );
}
// page links shown at bottom of page if TOC disabled
if (!$hasToc) {
$row->text .= $pageNav->getPagesLinks();
}
$row->text .= '</div><br />';
}
return true;
}
function plgContentCreateTOC( &$row, &$matches, &$page )
{
$heading = $row->title;
// TOC Header
$row->toc = '
<table cellpadding="0" cellspacing="0" class="contenttoc" align="right">
<tr>
<th>'
. JText::_( 'Article Index' ) .
'</th>
</tr>
';
// TOC First Page link
$row->toc .= '
<tr>
<td>
<a href="'. JRoute::_( '&showall=&limitstart=') .'" class="toclink">'
. $heading .
'</a>
</td>
</tr>
';
$i = 2;
foreach ( $matches as $bot )
{
$link = JRoute::_( '&showall=&limitstart='. ($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( 'Page #', $i );
}
}
else
{
$title = JText::sprintf( 'Page #', $i );
}
$row->toc .= '
<tr>
<td>
<a href="'. $link .'" class="toclink">'
. $title .
'</a>
</td>
</tr>
';
$i++;
}
// Get Plugin info
$plugin =& JPluginHelper::getPlugin('content', 'pagebreak');
$params = new JParameter( $plugin->params );
if ($params->get('showall') )
{
$link = JRoute::_( '&showall=1&limitstart=');
$row->toc .= '
<tr>
<td>
<a href="'. $link .'" class="toclink">'
. JText::_( 'All Pages' ) .
'</a>
</td>
</tr>
';
}
$row->toc .= '</table>';
}
function plgContentCreateNavigation( &$row, $page, $n )
{
$pnSpace = "";
if (JText::_( '<' ) || JText::_( '>' )) $pnSpace = " ";
if ( $page < $n-1 )
{
$page_next = $page + 1;
$link_next = JRoute::_( '&limitstart='. ( $page_next ) );
// Next >>
$next = '<a href="'. $link_next .'">' . JText::_( 'Next' ) . $pnSpace . JText::_( '>' ) . JText::_( '>' ) .'</a>';
}
else
{
$next = JText::_( 'Next' );
}
if ( $page > 0 )
{
$page_prev = $page - 1 == 0 ? "" : $page - 1;
$link_prev = JRoute::_( '&limitstart='. ( $page_prev) );
// << Prev
$prev = '<a href="'. $link_prev .'">'. JText::_( '<' ) . JText::_( '<' ) . $pnSpace . JText::_( 'Prev' ) .'</a>';
}
else
{
$prev = JText::_( 'Prev' );
}
$row->text .= '<div>' . $prev . ' - ' . $next .'</div>';
}