<?php
/**
 * Element: MenuItems
 * Display a menuitem field with a button
 *
 * @package			NoNumber! Framework
 * @version			11.11.2
 *
 * @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
 */

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

/**
 * MenuItems Element
 */
class nnFieldMenuItems
{
	var $_version = '11.11.2';

	function getInput( $name, $id, $value, $params, $children, $j15 = 0 )
	{
		$this->params = $params;

		JHTML::_( 'behavior.modal', 'a.modal' );

		$size = (int) $this->def( 'size' );
		$multiple = $this->def( 'multiple', 1 );
		$showinput = $this->def( 'showinput' );
		$state = $this->def( 'state' );
		$disable_types = $this->def( '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';
		}
		if ( $j15 ) {
			$query = 'SELECT id, parent, name, alias, menutype, type, published, home'
				.' FROM #__menu'
				.' '.$where
				.' ORDER BY menutype, parent, ordering';
		} else {
			$query = 'SELECT id, parent_id, title, alias, menutype, type, published, home'
				.', parent_id as parent, title as name'
				.' FROM #__menu'
				.' '.$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 ) {
				if ( $v->type != 'separator' ) {
					if ( $j15 ) {
						if ( preg_replace( '#[^a-z0-9]#', '', strtolower( $v->name ) ) !== preg_replace( '#[^a-z0-9]#', '', $v->alias ) ) {
							$v->name .= ' ['.$v->alias.']';
						}
					} else {
						if ( preg_replace( '#[^a-z0-9]#', '', strtolower( $v->title ) ) !== preg_replace( '#[^a-z0-9]#', '', $v->alias ) ) {
							$v->title .= ' ['.$v->alias.']';
						}
					}
				}
				$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.'/joomla/html/html/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_types, $item->type ) !== false ? true : false;
					$item_id = $item->id;
					$item_name = '&nbsp;&nbsp;'.preg_replace( '#^((&nbsp;)*)- #', '\1', str_replace( '&#160;', '&nbsp;', $item->treename ) );

					if ( $item->home ) {
						$item_name .= ' ['.JText::_( $j15 ? 'Default' : 'JDEFAULT' ).']';
					}
					if ( $item->type == 'separator' ) {
						$item_name = '[[:font-weight:normal;font-style:italic;color:grey;:]]'.$item_name;
						if ( !$item->children ) {
							$disable = 1;
						}
					} else if ( $item->published == 0 && !( $state === 0 ) ) {
						$item_name = '[[:font-style:italic;color:grey;:]]*'.$item_name.' ('.JText::_( $j15 ? 'Unpublished' : 'JUNPUBLISHED' ).')';
					}
					if ( $showinput ) {
						$item_name .= ' ['.$item->id.']';
					}

					$options[] = JHTML::_( 'select.option', $item_id, $item_name, 'value', 'text', $disable );
				}
			}
		}

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

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

			$html = '<table cellpadding="0" cellspacing="0"><tr><td style="padding: 0px;">'."\n";
			if ( !$multiple ) {
				$val_name = $value;
				if ( $value ) {
					foreach ( $menuItems as $item ) {
						if ( $item->id == $value ) {
							$val_name = $item->name.' ['.$value.']';
							;
							break;
						}
					}
				}
				$html .= '<input type="text" id="'.$id.'_text" value="'.$val_name.'" class="inputbox" size="'.$size.'" disabled="disabled" />';
				$html .= '<input type="hidden" name="'.$name.'" id="'.$id.'" value="'.$value.'" />';
			} else {
				$html .= '<input type="text" name="'.$name.'" id="'.$id.'" value="'.$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";
			return $html;
		} else {
			require_once JPATH_PLUGINS.'/system/nnframework/helpers/html.php';
			return nnHTML::selectlist( $options, $name, $value, $id, $size, $multiple, '', $j15 );
		}
	}

	private function def( $val, $default = '' )
	{
		return ( isset( $this->params[$val] ) && (string) $this->params[$val] != '' ) ? (string) $this->params[$val] : $default;
	}
}

if ( version_compare( JVERSION, '1.6.0', 'l' ) ) {
	// For Joomla 1.5
	class JElementNN_MenuItems extends JElement
	{
		/**
		 * Element name
		 *
		 * @access	protected
		 * @var		string
		 */
		var $_name = 'MenuItems';

		function fetchElement( $name, $value, &$node, $control_name )
		{
			$this->_nnfield = new nnFieldMenuItems();
			return $this->_nnfield->getInput( $control_name.'['.$name.']', $control_name.$name, $value, $node->attributes(), $node->children(), 1 );
		}
	}
} else {
	// For Joomla 1.6
	class JFormFieldNN_MenuItems extends JFormField
	{
		/**
		 * The form field type
		 *
		 * @var		string
		 */
		public $type = 'MenuItems';

		protected function getInput()
		{
			$this->_nnfield = new nnFieldMenuItems();
			return $this->_nnfield->getInput( $this->name, $this->id, $this->value, $this->element->attributes(), $this->element->children() );
		}
	}
}