<?php
/**
* @version       $Id$
* @copyright     Copyright (C) 2005 - 2009 Joomla! Vargas. All rights reserved.
* @license       GNU General Public License version 2 or later; see LICENSE.txt
* @author        Guillermo Vargas (guille@vargas.co.cr)
*/

// No direct access
defined( '_JEXEC' ) or die( 'Restricted access' );

require_once(JPATH_COMPONENT.'/displayer.php');

class XmapHtmlDisplayer extends XmapDisplayer {

    var $level = -1;
    var $_openList = '';
    var $_closeList = '';
    var $_closeItem = '';
    var $_childs;
    var $_width;
    var $live_site = 0;

    function __construct ($config, $sitemap) {
        $this->view = 'html';
        parent::__construct($config, $sitemap);
        $this->_parent_children=array();
        $this->_last_child=array();
        $this->live_site = substr_replace(JURI::root(), "", -1, 1);

        $user = JFactory::getUser();
    }

    function setJView($view)
    {
        parent::setJView($view);

        $columns = $this->sitemap->params->get('columns',0);
        if( $columns > 1 ) { // calculate column widths
            $total = count($view->items);
            $columns = $total < $columns? $total : $columns;
            $this->_width    = (100 / $columns) - 1;
            $this->sitemap->params->set('columns',$columns);
        }
    }

    /**
    * Prints one node of the sitemap
    *
    *
    * @param object $node
    * @return boolean
    */
    function printNode( &$node )
    {

        $out = '';

        if ($this->isExcluded($node->id,$node->uid) && !$this->canEdit) {
            return FALSE;
        }

        // To avoid duplicate children in the same parent
        if ( !empty($this->_parent_children[$this->level][$node->uid]) ) {
            return FALSE;
        }

        //var_dump($this->_parent_children[$this->level]);
        $this->_parent_children[$this->level][$node->uid] = true;

        $out .= $this->_closeItem;
        $out .= $this->_openList;
        $this->_openList = "";

        $out .= '<li>';

        if( !isset($node->browserNav) )
            $node->browserNav = 0;

        if ($node->browserNav != 3) {
            $link = JRoute::_($node->link, true, @$node->secure);
        }

        $node->name = htmlspecialchars($node->name);
        switch( $node->browserNav ) {
            case 1:        // open url in new window
                $ext_image = '';
                if ( $this->sitemap->params->get('exlinks') ) {
                    $ext_image = '&nbsp;<img src="'. $this->live_site .'/components/com_xmap/assets/images/'. $this->sitemap->params->get('exlinks') .'" alt="' . JText::_('COM_XMAP_SHOW_AS_EXTERN_ALT') . '" title="' . JText::_('COM_XMAP_SHOW_AS_EXTERN_ALT') . '" border="0" />';
                }
                $out .= '<a href="'. $link .'" title="'. htmlspecialchars($node->name) .'" target="_blank">'. $node->name . $ext_image .'</a>';
                break;

            case 2:        // open url in javascript popup window
                $ext_image = '';
                if( $this->sitemap->params->get('exlinks') ) {
                    $ext_image = '&nbsp;<img src="'. $this->live_site .'/components/com_xmap/assets/images/'. $this->sitemap->params->get('exlinks') .'" alt="' . JText::_('COM_XMAP_SHOW_AS_EXTERN_ALT') . '" title="' . JText::_('COM_XMAP_SHOW_AS_EXTERN_ALT') . '" border="0" />';
                }
                $out .= '<a href="'. $link .'" title="'. $node->name .'" target="_blank" '. "onClick=\"javascript: window.open('". $link ."', '', 'toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=780,height=550'); return false;\">". $node->name . $ext_image."</a>";
                break;

            case 3:        // no link
                $out .= '<span>'. $node->name .'</span>';
                break;

            default:       // open url in parent window
                $out .= '<a href="'. $link .'" title="'. $node->name .'">'. $node->name .'</a>';
                break;
        }

        $this->_closeItem = "</li>\n";
        $this->_childs[$this->level]++;
        echo $out;

        if ($this->canEdit) {
            if ( $this->isExcluded($node->id,$node->uid) ) {
                $img = '<img src="'.$this->live_site.'/components/com_xmap/assets/images/unpublished.png" alt="v" title="'.JText::_('JUNPUBLISHED').'">';
                $class= 'xmapexclon';
            } else {
                $img = '<img src="'.$this->live_site.'/components/com_xmap/assets/images/tick.png" alt="x" title="'.JText::_('JPUBLISHED').'" />';
                $class= 'xmapexcloff';
            }
            echo ' <a href= "#" class="xmapexcl '.$class.'" rel="{uid:\''.$node->uid.'\',itemid:'.$node->id.'}">'.$img.'</a>';
        }
        $this->count++;

        $this->_last_child[$this->level] = $node->uid;

        return TRUE;
    }

    /**
    * Moves sitemap level up or down
    */
    function changeLevel( $level ) {
        if ( $level > 0 ) {
            # We do not print start ul here to avoid empty list, it's printed at the first child
            $this->level += $level;
            $this->_childs[$this->level]=0;
            $this->_openList = "\n<ul class=\"level_".$this->level."\">\n";
            $this->_closeItem = '';

            // If we are moving up, then lets clean the children of this level
            // because for sure this is a new set of links
            if ( empty ($this->_last_child[$this->level-1]) || empty ($this->_parent_children[$this->level]['parent']) || $this->_parent_children[$this->level]['parent'] != $this->_last_child[$this->level-1] ) {
                $this->_parent_children[$this->level]=array();
                $this->_parent_children[$this->level]['parent'] = @$this->_last_child[$this->level-1];
            }
        } else {
            if ($this->_childs[$this->level]){
                echo $this->_closeItem."</ul>\n";
            }
            $this->_closeItem ='</li>';
            $this->_openList = '';
            $this->level += $level;
        }
    }

    function startMenu(&$menu) {
        if( $this->sitemap->params->get('columns') > 1 )            // use columns
            echo '<div style="float:left;width:'.$this->_width.'%;">';
        if( $this->sitemap->params->get('show_menutitle') )         // show menu titles
            echo '<h2 class="menutitle">'.$menu->name.'</h2>';
    }

    function endMenu(&$menu) {
        $sitemap=&$this->sitemap;
        $this->_closeItem='';
        if( $sitemap->params->get('columns')> 1 ) {
            echo "</div>\n";
        }
    }
}
