Disable scrollTop for multipage caldera form.

disable-scrolltop-mulitpage-caldera-form.js

jQuery(document).on('click', '.form-page', function(e){

		var clicked = jQuery(this),
			page_box = clicked.closest('.caldera-form-page'),
			form 	 = clicked.closest('form.caldera_forms_form'),
			form_id = form.attr( 'id' ),
			instance = form.data('instance'),
			current_page = form.find('.caldera-form-page:visible').data('formpage'),
			page	 = page_box.data('formpage') ? page_box.data('formpage') : clicked.data('page') ,
			breadcrumb = jQuery('.breadcrumb[data-form="caldera_form_' + instance + '"]'),
			next,
			prev,
			fields,
			run = true,
			focusPage = current_page;

		if( !form.length ){
			return;
		}

		cf_validate_form( form ).destroy();

		fields = form.find('[data-field]');
		form.find('.has-error').removeClass('has-error');

		if( clicked.hasClass("next-page") && page >= current_page ){
			fields =  jQuery('#caldera_form_' + instance + ' [data-formpage="' + current_page + '"] [data-field]'  );

			var $this_field,
				valid;
			for (var f = 0; f < fields.length; f++) {
				$this_field = jQuery(fields[f]);
				if( $this_field.hasClass( 'cf-multi-uploader' ) || $this_field.hasClass( 'cf-multi-uploader-list') ){
					continue;
				}

				valid = $this_field.parsley().isValid();
				if (true === valid) {
					continue;
				}

				e.preventDefault();
				run = false;

			}

			if( true === run && page > current_page ){
				for( var i = page - 1; i >= 1; i -- ){
					fields =  jQuery('#caldera_form_' + instance + ' [data-formpage="' + i + '"] [data-field]'  );

					for (var f = 0; f < fields.length; f++) {
						$this_field = jQuery(fields[f]);
						$this_field.parsley().validate();
						valid = $this_field.parsley().isValid({force: true});
						if (true === valid) {
							continue;
						}

						e.preventDefault();
						run = false;
						if( i > focusPage ){
							focusPage = i;
						}

					}
				}

			}

		}

		if( false === run ){
			if( focusPage !== current_page ){
				jQuery( '#form_page_' + instance + '_pg_' + current_page ).hide().attr( 'aria-hidden', 'true' ).css( 'visibility', 'hidden' );
				jQuery( '#form_page_' + instance + '_pg_' + focusPage ).show().attr( 'aria-hidden', 'false' ).css( 'visibility', 'visible' );
			}
			cf_validate_form( form ).validate();
			return false;
		}

		if( clicked.hasClass("next-page") ){

			if(breadcrumb){
				breadcrumb.find('li.active').removeClass('active').children().attr('aria-expanded', 'false');
			}
			next = form.find('.caldera-form-page[data-formpage="'+ ( page + 1 ) +'"]');
			if(next.length){
				page_box.hide().attr( 'aria-hidden', 'true' ).css( 'visibility', 'hidden' );
				next.show().attr( 'aria-hidden', 'false' ).css( 'visibility', 'visible' );
				if(breadcrumb){
					breadcrumb.find('a[data-page="'+ ( page + 1 ) +'"]').attr('aria-expanded', 'true').parent().addClass('active');
				}
			}
		}else if( clicked.hasClass("prev-page") ){
			if(breadcrumb){
				breadcrumb.find('li.active').removeClass('active').children().attr('aria-expanded', 'false');
			}
			prev = form.find('.caldera-form-page[data-formpage="'+ ( page - 1 ) +'"]');
			if(prev.length){
				page_box.hide().attr( 'aria-hidden', 'true' ).css( 'visibility', 'hidden' );
				prev.show().attr( 'aria-hidden', 'false' ).css( 'visibility', 'visible' );
				if(breadcrumb){
					breadcrumb.find('a[data-page="'+ ( page - 1 ) +'"]').attr('aria-expanded', 'true').parent().addClass('active');
				}
			}
		}else{
			if(clicked.data('pagenav')){
				e.preventDefault();
				clicked.closest('.breadcrumb').find('li.active').removeClass('active').children().attr('aria-expanded', 'false');
				jQuery('#' + clicked.data('pagenav') + ' .caldera-form-page').hide().attr( 'aria-hidden', 'true' ).css( 'visibility', 'hidden' );
				jQuery('#' + clicked.data('pagenav') + ' .caldera-form-page[data-formpage="'+ ( clicked.data('page') ) +'"]').show().attr( 'aria-hidden', 'false' ).css( 'visibility', 'visible' );
				clicked.parent().addClass('active').children().attr('aria-expanded', 'true');
			}

		}

		jQuery(document).trigger('cf.pagenav');

});