PC World 2008 September/PCWorld_2008-09_cd.bin/domacnost a kancelar/joomla/Joomla_1.5.4-Stable-Full_Package.exe/plugins/content/pagebreak.php

PHP Script | 2008-07-06 | 6.3 KB | 284 lines

<?php
/**
* @version        $Id: pagebreak.php 10498 2008-07-04 00:05:36Z ian $
* @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    // check whether plugin has been unpublished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">
    <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>';
}