/app/code/community/EM/Megamenu/Block/Catalognavigation.php

<?php

class EM_Megamenu_Block_Catalognavigation extends Mage_Catalog_Block_Navigation

{

	

    public function getStoreCategories()

    {

        $helper = Mage::helper('megamenu/category');

        return $helper->getStoreCategories();

    }



	

	protected function _renderCategoryMenuItemHtml($category,$level = 0, $isLast = false, $isFirst = false,

        $isOutermost = false, $outermostItemClass = '', $childrenWrapClass = '', $noEventAttributes = false)

    {	

		$type = Mage::registry('set_layout_menu');

        if (!$category->getIsActive()) {

            return '';

        }

        $html = array();

		$html1 = array();

        // get all children

        if (Mage::helper('catalog/category_flat')->isEnabled()) {

            $children = (array)$category->getChildrenNodes();

            $childrenCount = count($children);

        } else {

            $children = $category->getChildren();

            $childrenCount = $children->count();

        }

        $hasChildren = ($children && $childrenCount);



        // select active children

        $activeChildren = array();

        foreach ($children as $child) {

            if ($child->getIsActive()) {

                $activeChildren[] = $child;

            }

        }

		

        $activeChildrenCount = count($activeChildren);

        $hasActiveChildren = ($activeChildrenCount > 0);



        // prepare list item html classes

        $classes = array();

        $classes[] = 'level' . $level;

        $classes[] = 'nav-' . $this->_getItemPosition($level);

        $linkClass = '';

		$classa="";

		if($level==0)

		{

			if($type == 4 || $type ==5 || $type ==6)

			$classa="drop";

		}

        if ($isOutermost && $outermostItemClass) {

            $classes[] = $outermostItemClass;

            $linkClass = ' class="'.$outermostItemClass." ".$classa.'"';

        }

        if ($this->isCategoryActive($category)) {

            $classes[] = 'active';

        }

        if ($isFirst) {

			if($level == (int)Mage::registry('level_class'))

			{

				if(Mage::registry('none_li_first_class') == "0")

					$classes[] = 'first';	

			}			

			else

				$classes[] = 'first';

        }

        if ($isLast) {

			if($level == (int)Mage::registry('level_class'))

			{

				if(Mage::registry('none_li_last_class') == "0")

					$classes[] = 'last';	

			}			

			else

				$classes[] = 'last';

        }

        if ($hasActiveChildren) {

            $classes[] = 'parent';

        }



        // prepare list item attributes

        $attributes = array();

        if (count($classes) > 0) {

            $attributes['class'] = implode(' ', $classes);

        }

        if ($hasActiveChildren && !$noEventAttributes) {

             $attributes['onmouseover'] = 'toggleMenu(this,1)';

             $attributes['onmouseout'] = 'toggleMenu(this,0)';

        }



        // assemble list item with attributes

		//type =1,2,3

		switch($type)

		{

			case 1:

			{

					$html[] = '<k><li><a href="'.$this->getCategoryUrl($category).'"'.$linkClass.'>';

					$html[] =  $this->escapeHtml($category->getName());

					$html[] = '</a></li>';

					

					// render children

					$htmlChildren = '';

					$j = 0;

					foreach ($activeChildren as $child) {

						$htmlChildren .= $this->_renderCategoryMenuItemHtml(

							$child,

							($level + 1),

							($j == $activeChildrenCount - 1),

							($j == 0),

							false,

							$outermostItemClass,

							$childrenWrapClass,

							$noEventAttributes

						);

						$j++;

						

					}

					if (!empty($htmlChildren)) {

						

						$html[] = $htmlChildren ;

					}

					break;

			}

			case 2:

			{

				 if($level==0)

					{

						$htmlLi='<div class="col_1 ">';

					}

					else

					{

						$htmlLi = '<li';

						foreach ($attributes as $attrName => $attrValue) {

							$htmlLi .= ' ' . $attrName . '="' . str_replace('"', '\"', $attrValue) . '"';

						}

						$htmlLi .= '>';

					}

					$html[] = $htmlLi;

					if ($level==0)

					{

						$html[] = '<a href="'.$this->getCategoryUrl($category).'"'.$linkClass.'>';

						$html[] = '<span>'. $this->escapeHtml($category->getName()).'</span>';

						$html[] = '</a>';

					}

					else

					{

						$html[] = '<a href="'.$this->getCategoryUrl($category).'"'.$linkClass.'>';

						$html[] =  $this->escapeHtml($category->getName());

						$html[] = '</a>';

					}

					// render children

					$htmlChildren = '';

					$j = 0;

					foreach ($activeChildren as $child) {

						$htmlChildren .= $this->_renderCategoryMenuItemHtml(

							$child,

							($level + 1),

							($j == $activeChildrenCount - 1),

							($j == 0),

							false,

							$outermostItemClass,

							$childrenWrapClass,

							$noEventAttributes

						);

						$j++;

					}

					if (!empty($htmlChildren)) {

						if ($childrenWrapClass) {

							$html[] = '<div class="' . $childrenWrapClass . '">';

						}

						$html[] = '<ul class="level' . $level . '">';

						$html[] = $htmlChildren;

						$html[] = '</ul>';

						if ($childrenWrapClass) {

							$html[] = '</div>';

						}

					}



				   if($level==0)

					{

						$html[]='</div>';

					}

					else

					{

						$html[] = '</li>';

					}

					break;

			}

			case 3:

			{

				$htmlLi = '<li';

				foreach ($attributes as $attrName => $attrValue) {

					$htmlLi .= ' ' . $attrName . '="' . str_replace('"', '\"', $attrValue) . '"';

				}

				$htmlLi .= '>';

					

				$html[] = $htmlLi;

				

				$html[] = '<a href="'.$this->getCategoryUrl($category).'"'.$linkClass.'>';				

				$html[] =  $this->escapeHtml($category->getName());

				$html[] = '</a>';

					

					// render children

					$htmlChildren = '';

					$j = 0;

					foreach ($activeChildren as $child) {

						$htmlChildren .= $this->_renderCategoryMenuItemHtml(

							$child,

							($level + 1),

							($j == $activeChildrenCount - 1),

							($j == 0),

							false,

							$outermostItemClass,

							$childrenWrapClass,

							$noEventAttributes

						);

						$j++;

					}

					

					if (!empty($htmlChildren)) {

						if ($childrenWrapClass) {

							$html[] = '<div class="' . $childrenWrapClass . '">';

						}

						$html[] = '<ul class="level' . $level. '">';

						$html[] = $htmlChildren;

						$html[] = '</ul>';

						if ($childrenWrapClass) {

							$html[] = '</div>';

						}

					}

						$html[] = '</li>';

				break;

			}

			case 4:

			{

					if($level !=0)

					{

						$f="<f>";

					}

					if($level==0)

					{

						$n="<n>";

					}

					$htmlLi = $n.$f.'<li';

					foreach ($attributes as $attrName => $attrValue) {

					$htmlLi .= ' ' . $attrName . '="' . str_replace('"', '\"', $attrValue) . '"';

					}

					$htmlLi .= '>';	

					$html[] = $htmlLi;

					$html[] = '<a href="'.$this->getCategoryUrl($category).'"'.$linkClass.'>';

					$html[] =  $this->escapeHtml($category->getName());

					$html[] = '</a>';

					if($level==0)

					{

						$html[]="<k>";

					}



					// render children

					$htmlChildren = '';

					$j = 0;

					foreach ($activeChildren as $child) {

						$htmlChildren .= $this->_renderCategoryMenuItemHtml(

							$child,

							($level + 1),

							($j == $activeChildrenCount - 1),

							($j == 0),

							false,

							$outermostItemClass,

							$childrenWrapClass,

							$noEventAttributes

						);

						$j++;

					}

					if (!empty($htmlChildren)) {

						if ($childrenWrapClass) {

							$html[] = '<div class="' . $childrenWrapClass . '">';

						}

						$ulfirst="";

						$ullast="";

						

						//$ulfirst='<ul class="level' . $level . '">';

						//$ullast='</ul>';

						

						$html[] =$ulfirst.$htmlChildren.$ullast;

					

						if ($childrenWrapClass) {

							$html[] = '</div>';

						}

					}

					$html[] = '</li>';

					break;

			}

			case 5:

			{

				 if($level==1 )

					{

						$htmlLi='<div class="col_1">';

					}

					else

					{

							$htmlLi = '<li';

							foreach ($attributes as $attrName => $attrValue) {

								$htmlLi .= ' ' . $attrName . '="' . str_replace('"', '\"', $attrValue) . '"';

							}

							$htmlLi .= '>';

					

					}

					$html[] = $htmlLi;

							if ($level==1)

							{

								$html[] = '<a href="'.$this->getCategoryUrl($category).'"'.$linkClass.'>';

								$html[] = '<span>'. $this->escapeHtml($category->getName()).'</span>';

								$html[] = '</a>';

							}

							else

							{

								$html[] = '<a href="'.$this->getCategoryUrl($category).'"'.$linkClass.'>';

								$html[] =  $this->escapeHtml($category->getName());

								$html[] = '</a>';

							}

					

					// render children

					$htmlChildren = '';

					$j = 0;

					foreach ($activeChildren as $child) {

						$htmlChildren .= $this->_renderCategoryMenuItemHtml(

							$child,

							($level + 1),

							($j == $activeChildrenCount - 1),

							($j == 0),

							false,

							$outermostItemClass,

							$childrenWrapClass,

							$noEventAttributes

						);

						$j++;

					}

					if (!empty($htmlChildren)) {

						if ($childrenWrapClass) {

							$html[] = '<div class="' . $childrenWrapClass . '">';

						}

						$ulfirst="";

						$ullast="";

						if($level==0)

						{

							$count=0;

							if( $childrenCount >5 )

							{

								$count=5;

							}

							else

							{

								$count = $childrenCount;

							}

							$ulfirst='<div class="dropdown_'.$count.'columns">';

							$ullast='</div>';

						}

						else

						{

							$ulfirst='<ul class="level' . $level . '">';

							$ullast='</ul>';

						}

					

						$html[] =$ulfirst.$htmlChildren.$ullast;

					

						if ($childrenWrapClass) {

							$html[] = '</div>';

						}

					}



				   if($level==1)

					{

						$html[]='</div>';

					}

					else

					{

						

					$html[] = '</li>';

						

					}

					break;

			}

			case 6:

			{

					$htmlLi = '<li';

					foreach ($attributes as $attrName => $attrValue) {

						$htmlLi .= ' ' . $attrName . '="' . str_replace('"', '\"', $attrValue) . '"';

					}

					$htmlLi .= '>';

					$html[] = $htmlLi;

					$html[] = '<a href="'.$this->getCategoryUrl($category).'"'.$linkClass.'>';

					$html[] =  $this->escapeHtml($category->getName());

					$html[] = '</a>';

				

					// render children

					$htmlChildren = '';

					$j = 0;

					foreach ($activeChildren as $child) {

						$htmlChildren .= $this->_renderCategoryMenuItemHtml(

							$child,

							($level + 1),

							($j == $activeChildrenCount - 1),

							($j == 0),

							false,

							$outermostItemClass,

							$childrenWrapClass,

							$noEventAttributes

						);

						$j++;

					}

					if (!empty($htmlChildren)) {

						if ($childrenWrapClass) {

							$html[] = '<div class="' . $childrenWrapClass . '">';

						}

						$ulfirst="";

						$ullast="";

						if($level==0)

						{

							

							$ulfirst='<div class="dropdown_1columns"><div class="col_1"><ul class="levels">';

							$ullast='</ul></div></div>';

						}

						else

						{

							$ulfirst='<ul class="level' . $level. '">';

							$ullast='</ul>';

						}

					

						$html[] =$ulfirst.$htmlChildren.$ullast;

					

						if ($childrenWrapClass) {

							$html[] = '</div>';

						}

					}

					$html[] = '</li>';



					break;

			}

			default:

			{

				   $htmlLi = '<li';

					foreach ($attributes as $attrName => $attrValue) {

						$htmlLi .= ' ' . $attrName . '="' . str_replace('"', '\"', $attrValue) . '"';

					}

					$htmlLi .= '>';

					$html[] = $htmlLi;



					$html[] = '<a href="'.$this->getCategoryUrl($category).'"'.$linkClass.'>';

					$html[] = '<span>' . $this->escapeHtml($category->getName()) . '</span>';

					$html[] = '</a>';



					// render children

					$htmlChildren = '';

					$j = 0;

					foreach ($activeChildren as $child) {

						$htmlChildren .= $this->_renderCategoryMenuItemHtml(

							$child,

							($level + 1),

							($j == $activeChildrenCount - 1),

							($j == 0),

							false,

							$outermostItemClass,

							$childrenWrapClass,

							$noEventAttributes

						);

						$j++;

					}

					if (!empty($htmlChildren)) {

						if ($childrenWrapClass) {

							$html[] = '<div class="' . $childrenWrapClass . '">';

						}

						$html[] = '<ul class="level' . $level . '">';

						$html[] = $htmlChildren;

						$html[] = '</ul>';

						if ($childrenWrapClass) {

							$html[] = '</div>';

						}

					}



					$html[] = '</li>';

			}

			

		}

        $html = implode("\n", $html);

        return $html;

    }

	 

}