Button Shortcode

function pt_framework_button($atts = NULL, $content = NULL ) 
{
  // form - link - big_link - custom
	extract( shortcode_atts( array(
		'type'  => '',
		'href'  => '',
		'icon'  => '',
		'class'  => '',
		'target' => ''
	), $atts ) );
	
	
	switch($type)
	{
	    case 'form';
	        return '<button class="bt-form">'.$content.'</button>';
	    break;
		
	    case 'custom';
	        return '<a href="'.esc_attr($href).'" class="button '.esc_attr($class).'">'.$content.'</a>';
	    break;
		
	    case 'link';
			if ($icon == "")
	       		return '<a href="'.esc_attr($href).'" class="link-1">'.$content.'</a>';
			else
				return '<a href="'.esc_attr($href).'" class="link-1 medium"><i class="'.esc_attr($icon).'"></i>'.$content.'</a>';
	    break;
		
	    case 'big_link';
	        return '<a href="'.esc_attr($href).'" class="link-2" ' . ($target!='' ? 'target="' . $target . '" ' : '') . '>'.$content.'</a>'; 
	    break;
		
	    default;
	        return '';  
	    break;
	}
				
}