Created

Embed URL

HTTPS clone URL

SSH clone URL

You can clone with HTTPS or SSH.

Download Gist
View gist:536704
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173
/**
* Application_helper.rb
*/
 
# Methods added to this helper will be available to all templates in the application.
module ApplicationHelper
def remove_child_link(name, f)
f.hidden_field(:_destroy) + link_to(name, "javascript:void(0)", :class => "remove_child")
end
def add_child_link(name, association)
link_to(name, "javascript:void(0)", :class => "add_child", :"data-association" => association)
end
def new_child_fields_template(form_builder, association, options = {})
content_for "#{association}_fields_template" do
options[:object] ||= form_builder.object.class.reflect_on_association(association).klass.new
options[:partial] ||= association.to_s.singularize
options[:form_builder_local] ||= :f
content_tag(:div, :id => "#{association}_fields_template", :style => "display: none") do
form_builder.fields_for(association, options[:object], :child_index => "new_#{association}") do |f|
render(:partial => options[:partial], :locals => {options[:form_builder_local] => f})
end
end
end unless content_given?("#{association}_fields_template")
end
def content_given?(name)
content = instance_variable_get("@content_for_#{name}")
! content.nil?
end
 
end
 
 
 
 
 
 
 
/**
* _form.html.erb
*/
 
 
 
 
<%= form_for @board do |f| %>
<p>
<%= f.label :board_date %><br />
<%= f.text_field :board_date, :class=>"datepicker" %>
</p>
<fieldset>
<legend>Warehouses</legend>
</fieldset>
 
 
<%= f.fields_for :warehouses do |warehouse_form| %>
<%= render :partial => 'warehouse', :locals => { :f => warehouse_form } %>
<% end %>
<p><%= add_child_link "New Warehouse", :warehouses %></p>
<%= new_child_fields_template(f, :warehouses)%>
<p><%= f.submit "Submit" %></p>
<% end %>
<%= yield :warehouses_fields_template %>
<%= yield :ratgrades_fields_template %>
/**
* _warehouse.html.erb
*/
<div class="fields">
<%= f.label :name, "Warehouse" %>
<%= f.text_field :name, :class=>"half title"%>
<%= remove_child_link "remove", f %>
 
<div class="children_fields">
<%= f.fields_for :ratgrades do |ratgrade_form| %>
<%= render :partial => 'ratgrade', :locals => { :f => ratgrade_form } %>
<% end %>
<p><%= add_child_link "New Grade", :ratgrades %></p>
<%= new_child_fields_template(f, :ratgrades)%>
</div>
 
 
</div>
 
 
/**
* _ratgrade.html.erb
*/
<div class="fields">
<%= f.text_field :name, :size=>"10" %>
<%= f.text_field :total, :size=>"10" %>
<%= f.text_field :availdate, :class=>"rat_date" %>
<%= remove_child_link "remove", f %>
</div>
 
 
 
 
 
/**
* application.js
*/
 
$(function() {
$('form a.add_child').live('click', function() {
// Setup
var assoc = $(this).attr('data-association'); // Name of child
var content = $('#' + assoc + '_fields_template').html(); // Fields template
// Make the context correct by replacing new_<parents> with the generated ID
// of each of the parent objects
var context = ($(this).parents('.fields').children('input:first').attr('name') || '').replace(new RegExp('\[[a-z]+\]$'), '');
// context will be something like this for a brand new form:
// project[tasks_attributes][1255929127459][assignments_attributes][1255929128105]
// or for an edit form:
// project[tasks_attributes][0][assignments_attributes][1]
if(context) {
var parent_names = context.match(/[a-z]+_attributes/g) || []
var parent_ids = context.match(/[0-9]+/g)
for(i = 0; i < parent_names.length; i++) {
if(parent_ids[i]) {
content = content.replace(
new RegExp('(\\[' + parent_names[i] + '\\])\\[.+?\\]', 'g'),
'$1[' + parent_ids[i] + ']'
)
}
}
}
// Make a unique ID for the new child
var regexp = new RegExp('new_' + assoc, 'g');
var new_id = new Date().getTime();
content = content.replace(regexp, new_id)
$(this).parent().before(content);
return false;
});
$('form a.remove_child').live('click', function() {
var hidden_field = $(this).prev('input[type=hidden]')[0];
if(hidden_field) {
hidden_field.value = '1';
}
$(this).parent('.fields').hide();
return false;
});
});
 
 
 
 
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Something went wrong with that request. Please try again.