Display Category title then products in page

gistfile1.php

<?php


	add_shortcode( 'growdev_category_list', 'growdev_category_list');
	
	function growdev_category_list( $atts ) {	
		global $woocommerce_loop;

		extract( shortcode_atts( array (
			'number'     => null,
			'orderby'    => 'term_group',
			'order'      => 'ASC',
			'columns' 	 => '4',
			'hide_empty' => 1,
			'parent'     => '0'
			), $atts ) );

		if ( isset( $atts[ 'ids' ] ) ) {
			$ids = explode( ',', $atts[ 'ids' ] );
		  	$ids = array_map( 'trim', $ids );
		} else {
			$ids = array();
		}

		$hide_empty = ( $hide_empty == true || $hide_empty == 1 ) ? 1 : 0;

		// get terms and workaround WP bug with parents/pad counts
	  	$args = array(
	  		'orderby'    => $orderby,
	  		'order'      => $order,
	  		'hide_empty' => $hide_empty,
			'include'    => $ids,
			'pad_counts' => true,
			'child_of'   => $parent
		);

	  	$product_categories = get_terms( 'product_cat', $args );

	  	if ( $parent !== "" )
	  		$product_categories = wp_list_filter( $product_categories, array( 'parent' => $parent ) );

	  	if ( $number )
	  		$product_categories = array_slice( $product_categories, 0, $number );

	  	$woocommerce_loop['columns'] = $columns;

	  	ob_start();

	  	// Reset loop/columns globals when starting a new loop
		$woocommerce_loop['loop'] = $woocommerce_loop['column'] = '';

	  	if ( $product_categories ) {

//	  		woocommerce_product_loop_start();

			foreach ( $product_categories as $category ) {

				echo '<h3 style="background: grey; padding: 3px 10px; color: white;">' . $category->name . " (" . $category->count . ")</h3>";
				
				growdev_category_listing( array( 'category' => $category->slug ) );
				
				//woocommerce_get_template( 'content-product_cat.php', array(
				//	'category' => $category
				//) );

			}

		//	woocommerce_product_loop_end();

		}

		woocommerce_reset_loop();

		return '<div class="woocommerce">' . ob_get_clean() . '</div>';
	}


	function growdev_category_listing( $atts ){
		global $woocommerce, $woocommerce_loop;

	  	if ( empty( $atts ) ) return;

		extract( shortcode_atts( array(
			'per_page' 		=> '12',
			'columns' 		=> '4',
		  	'orderby'   	=> 'title',
		  	'order'     	=> 'desc',
		  	'category'		=> ''
			), $atts ) );


		if ( ! $category ) return;

		// Default ordering args
		$ordering_args = $woocommerce->query->get_catalog_ordering_args( $orderby, $order );

	  	$args = array(
			'post_type'				=> 'product',
			'post_status' 			=> 'publish',
			'ignore_sticky_posts'	=> 1,
			'orderby' 				=> $ordering_args['orderby'],
			'order' 				=> $ordering_args['order'],
			'posts_per_page' 		=> $per_page,
			'meta_query' 			=> array(
				array(
					'key' 			=> '_visibility',
					'value' 		=> array('catalog', 'visible'),
					'compare' 		=> 'IN'
				)
			),
			'tax_query' 			=> array(
		    	array(
			    	'taxonomy' 		=> 'product_cat',
					'terms' 		=> array( esc_attr($category) ),
					'field' 		=> 'slug',
					'operator' 		=> 'IN'
				)
		    )
		);

		if ( isset( $ordering_args['meta_key'] ) ) {
	 		$args['meta_key'] = $ordering_args['meta_key'];
	 	}

	  	ob_start();
		$products = new WP_Query( $args );

		$woocommerce_loop['columns'] = $columns;

		if ( $products->have_posts() ) : ?>

			<?php woocommerce_product_loop_start(); ?>

				<?php while ( $products->have_posts() ) : $products->the_post(); ?>

					<?php woocommerce_get_template_part( 'content', 'product' ); ?>

				<?php endwhile; // end of the loop. ?>

			<?php woocommerce_product_loop_end(); ?>
			
		<?php else : ?>
			
			<p>Wah wah wah.</p>			

		<?php endif;

		ob_flush();

		wp_reset_postdata();

		return '<div class="woocommerce">' . ob_get_clean() . '</div>';
	}