<?php
/**
 * Element: MenuItems
 * Display a menuitem field with a button
 *
 * @package     NoNumber! Elements
 * @version     2.3.1
 *
 * @author      Peter van Westen <peter@nonumber.nl>
 * @link        http://www.nonumber.nl
 * @copyright   Copyright © 2011 NoNumber! All Rights Reserved
 * @license     http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 */

// Ensure this file is being included by a parent file
defined( '_JEXEC' ) or die( 'Restricted access' );

/**
 * MenuItems Element
 */
class JElementMenuItems extends JElement
{
	/**
	* Element name
	*
	* @access	protected
	* @var		string
	*/
	var	$_name = 'MenuItems';

	function fetchElement( $name, $value, &$node, $control_name )
	{
		JHTML::_( 'behavior.modal', 'a.modal' );

		$size		= $node->attributes( 'size' );
		$multiple	= $this->def( $node->attributes( 'multiple'), 1 );
		$showinput	= $node->attributes( 'showinput' );
		$state		= $node->attributes( 'state' );
		$disable	= $node->attributes( 'disable' );

		$db =& JFactory::getDBO();

		// load the list of menu types
		$query = 'SELECT menutype, title'
			.' FROM #__menu_types'
			.' ORDER BY title'
			;
		$db->setQuery( $query );
		$menuTypes = $db->loadObjectList();

		// load the list of menu items
		if ( $state != '' ) {
			$where = 'WHERE published = '.(int) $state;
		} else {
			$where = 'WHERE published != -2';
		}
		$query = 'SELECT id, parent, name, menutype, type, published'
			.' FROM #__menu'
			.' '.$where
			.' ORDER BY menutype, parent, ordering'
			;

		$db->setQuery($query);
		$menuItems = $db->loadObjectList();

		// establish the hierarchy of the menu
		$children = array();

		if ($menuItems)
		{
			// first pass - collect children
			foreach ($menuItems as $v)
			{
				$pt 	= $v->parent;
				$list 	= @$children[$pt] ? $children[$pt] : array();
				array_push( $list, $v );
				$children[$pt] = $list;
			}
		}

		// second pass - get an indent list of the items
		require_once JPATH_LIBRARIES.DS.'joomla'.DS.'html'.DS.'html'.DS.'menu.php';
		$list = JHTMLMenu::treerecurse( 0, '', array(), $children, 9999, 0, 0 );

		// assemble into menutype groups
		$groupedList = array();
		foreach ( $list as $k => $v ) {
			$groupedList[$v->menutype][] =& $list[$k];
		}

		// assemble menu items to the array
		$options 	= array();

		$count = 0;
		foreach ($menuTypes as $type) {
			if (isset( $groupedList[$type->menutype] )) {
				if ( $count > 0 ) {
					$options[]	= JHTML::_('select.option', '-', '&nbsp;', 'value', 'text', true);
				}
				$count++;
				$options[]	= JHTML::_('select.option', $type->menutype, '[ '.$type->title.' ]', 'value', 'text', true );
				$n = count( $groupedList[$type->menutype] );
				for ($i = 0; $i < $n; $i++)
				{
					$item =& $groupedList[$type->menutype][$i];

					//If menutype is changed but item is not saved yet, use the new type in the list
					if ( JRequest::getString( 'option', '', 'get' ) == 'com_menus' ) {
						$currentItemArray = JRequest::getVar( 'cid', array(0), '', 'array' );
						$currentItemId = (int) $currentItemArray['0'];
						$currentItemType = JRequest::getString( 'type', $item->type, 'get' );
						if ( $currentItemId == $item->id && $currentItemType != $item->type ) {
							$item->type = $currentItemType;
						}
					}

					$disable = strpos( $disable, $item->type ) !== false ? true : false;
					$item_name = $item->treename;
					$item_id = $item->id;
					$style = 'padding-left:1em;';
					if ( $item->published == 0 && !( $state === 0 ) ) {
						$item_name = '*'.$item_name.' ('.JText::_( 'Unpublished' ).')';
						$style  .= 'font-style:italic;';
					}
					if ( $showinput) {
						$item_name .= ' ['.$item->id.']';
					}
					if ( $style ) {
						$item_name = '[[:'.$style.':]]'.$item_name;
					}
					$options[] = JHTML::_( 'select.option', $item_id, $item_name, 'value', 'text', $disable );
				}
			}
		}

		$attribs = 'class="inputbox"';

		if ( $showinput) {
			array_unshift( $options,JHTML::_( 'select.option', '-', '&nbsp;', 'value', 'text', true) );
			array_unshift( $options, JHTML::_( 'select.option', '-', '- '.JText::_('Select Item').' -') );

			if( $multiple ) {
				$onchange = 'if ( this.value ) { if ( '.$control_name.$name.'.value ) { '.$control_name.$name.'.value+=\',\'; } '.$control_name.$name.'.value+=this.value; } this.value=\'\';';
			} else {
				$onchange = 'if ( this.value ) { '.$control_name.$name.'.value=this.value;'.$control_name.$name.'_text.value=this.options[this.selectedIndex].innerHTML.replace( /^((&|&amp;|&#160;)nbsp;|-)*/gm, \'\' ).trim(); } this.value=\'\';';
			}
			$attribs .= ' onchange="'.$onchange.'"';

			$html 		= '<table cellpadding="0" cellspacing="0"><tr><td style="padding: 0px;">'."\n";
			if( !$multiple ) {
				$value_name = $value;
				if ( $value ) {
					foreach ( $menuItems as $item ) {
						if ( $item->id == $value ) {
							$value_name = $item->name.' ['.$value.']';;
							break;
						}
					}
				}
				$html 	.= '<input type="text" id="'.$control_name.$name.'_text" value="'.$value_name.'" class="inputbox" size="'.$size.'" disabled="disabled" />';
				$html 	.= '<input type="hidden" name="'.$control_name.'['.$name.']" id="'.$control_name.$name.'" value="'.$value.'" />';
			} else {
				$html 	.= '<input type="text" name="'.$control_name.'['.$name.']" id="'.$control_name.$name.'" value="'.$value.'" class="inputbox" size="'.$size.'" />';
			}
			$html 		.= '</td><td style="padding: 0px;"padding-left: 5px;>'."\n";
			$html 		.= JHTML::_('select.genericlist', $options, '', $attribs, 'value', 'text', '', '');
			$html 		.= '</td></tr></table>'."\n";
		} else {
			if( $size ) {
				$attribs .= ' size="'.$size.'"';
			}else {
				$attribs .= ' size="'.( ( count( $options) > 10 ) ? 10 : count( $options) ).'"';
			}
			if( $multiple ) {
				if ( !is_array( $value ) ) {
					$value = explode( ',', $value );
				}
				$attribs .= ' multiple="multiple"';
			}

			$html = JHTML::_( 'select.genericlist', $options, ''.$control_name.'['.$name.'][]', $attribs, 'value', 'text', $value, $control_name.$name );
		}
		$html = preg_replace( '#>\[\[\:(.*?)\:\]\]#si', ' style="\1">', $html );
		return $html;
	}

	function def( $val, $default )
	{
		return ( $val == '' ) ? $default : $val;
	}
}