gistfile1.rb

<%= form_for [@website, @billboard], :html => { :multipart => true } do |f| %>

  <div class="row_margin_bottom">
  	<%= f.label :name %>
		<%= f.text_field :name %>
	</div>

	<div class="form_row">
			<%= label_tag :photos %>
			<div class="billboard-container">

				<% if @billboard.photos.empty? %>
					<div class="billboard-empty"><span> No Photos Uploaded </span></div>
				<% else %>			
					<ul class="sortable-billboard" data-url="/websites/<%= @website.id %>/billboards/<%= @billboard.id %>/update_photo_positions/">
						<% @billboard.photos.each do |photo| %>
							<li id="photo_<%=photo.id %>" style="position: relative;">
									<div class="image-controls">
										<%= link_to 'edit', edit_website_photo_path(@website, photo, :source_page_id => @source_page.id, :billboard_id => @billboard.id), {id: "edit_#{photo.image_file_name.split('.')[0]}", style: "display: inline;"} %> 
										<%= link_to 'resize', edit_website_photo_path(@website, photo, :source_page_id => @source_page.id, :billboard_id => @billboard.id, :resize => true), {remote: true, id: "resize_#{photo.image_file_name.split('.')[0]}", style: "display: inline;", class: 'resize-reposition'} %>
										<%= link_to 'delete', website_photo_path(@website, photo, :source_page_id => @source_page.id), method: :delete, data: { confirm: "are you sure?"}, style: "display: inline;", id: "delete_billboard_photo_#{photo.id}" %><br/>
									</div>
									<%= image_tag photo.image.url(:gallery), class: 'billboard-image' %>
							</li>
						<% end %>
					</ul>
				<% end %>

			</div>
	</div>

	<%= fields_for :photo do |p| %>
		<div class="form_row">
			<%= p.label :upload_photos %>
			<%= p.file_field :image %>
		</div>
	<% end %>

	<% if params[:action] == 'edit' %>
	
	<div class="form_row" id="advanced_options_label">
		<%= check_box_tag 'advanced_options_checkbox', 'Advanced Options' %>
		<%= label_tag :advanced_options %>
	</div>

	<div id="advanced_options">
		<div class="form_row">
			<%= label_tag :dimensions %>
			<div style="padding-left: 20px;">
				<%= f.label :width %>
				<%= f.text_field :width %>

				<%= f.label :height %>
				<%= f.text_field :height %>
			</div>
		</div>

		<div class="form_row">
			<%= f.label :display_previous_and_next_buttons %>
			<%= f.radio_button :display_prev_next_btns, "true" %> Yes <br />
			<%= f.radio_button :display_prev_next_btns, "false" %> No
		</div>

		<div class="form_row">
			<%= f.label :display_caption_text %>
			<%= f.radio_button :display_caption, "true" %> Yes <br />
			<%= f.radio_button :display_caption, "false" %> No
		</div>
	</div>

	<% end %>

		<%= fields_for :page do |page| %>
		  <%= page.hidden_field :source_page_id, :value => @page_id %>
		<% end %>

  <div class="form_row">
    <%= dynamic_form_buttons(f, params[:controller], params[:action], @user) %>
  </div>

<% end %>

<% @billboard.photos.each do |photo| %>
	<div class="modal-container" style="display: none;">
	  <div class="modal-form"> 
	    <%= render :partial => 'photos/form', :locals => {:resize => 'true', :photo => photo} %>
	  </div>
	</div>
<% end %>