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@konklone
Forked from Rio517/file.rb
Created April 15, 2011 05:09
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function breadcrumbs(options, callback) {
if (!options) options = {};
items = new NavigationBuilder();
if (callback)
callback(items);
...
}
// example usage
breadcrumbs({}, function(builder) {
builder.item("Home", root_path());
builder.item("News", news_path());
});
module Activo
module Rails
module Helper
# Displays a breadcrumb trail
#
# options - A hash of attributes to apply to the wrapping div tag
#
# Example:
# <div class="block">
# <div class="content">
# <h2><%= @news_item.title %></h2>
# <p><%= @news_item.content %></p>
# </div>
# <%= breadcrumbs do |b|
# b.item "Home", root_path
# b.item "News", news_path
# b.item "Awesome New Things", news_path(@news_item), :active => true
# %>
# </div>
#
# Returns the breadcrumb trail.
def breadcrumbs(options = {})
items = NavigationBuilder.new
yield items if block_given?
options[:class] ||= "".html_safe
options[:class] << " breadcrumb".html_safe
options[:class].strip!
content_tag("div", options) do
content_tag("ul") do
items.collect { |item|
content_tag("li", :class => item[:class]) do
if item[:active]
item[:label]
else
link_to(item[:label], item[:href])
end
end
}.join("").html_safe
end
end
end
# Assists in the creation of navigation menus
class NavigationBuilder
attr_reader :item_list
include Enumerable
def initialize
@item_list = []
end
def each(&blk)
item_list.each(&blk)
end
def item(label, path, options = {})
options[:class] ||= ""
options[:class] << " first" if item_list.empty?
options[:class] << " active" if options[:active]
options[:link_options] ||= {}
options[:link_options].merge!(:method => options[:method]) if options[:method]
item_list << {
:label => label,
:href => path,
:class => options[:class].strip,
:link_options => options[:link_options],
:icon => options[:icon],
:active => !!options[:active]
}
end
end
end
end
end
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