68 lines
2.8 KiB
Ruby
68 lines
2.8 KiB
Ruby
# The methods added to this helper will be available to all templates in the application.
|
|
module ApplicationHelper
|
|
|
|
# Accepts a container (hash, array, enumerable, your type) and returns a string of option tags. Given a container
|
|
# where the elements respond to first and last (such as a two-element array), the "lasts" serve as option values and
|
|
# the "firsts" as option text. Hashes are turned into this form automatically, so the keys become "firsts" and values
|
|
# become lasts. If +selected+ is specified, the matching "last" or element will get the selected option-tag.
|
|
#
|
|
# Examples (call, result):
|
|
# html_options([["Dollar", "$"], ["Kroner", "DKK"]])
|
|
# <option value="$">Dollar</option>\n<option value="DKK">Kroner</option>
|
|
#
|
|
# html_options([ "VISA", "Mastercard" ], "Mastercard")
|
|
# <option>VISA</option>\n<option selected>Mastercard</option>
|
|
#
|
|
# html_options({ "Basic" => "$20", "Plus" => "$40" }, "$40")
|
|
# <option value="$20">Basic</option>\n<option value="$40" selected>Plus</option>
|
|
def html_options(container, selected = nil)
|
|
container = container.to_a if Hash === container
|
|
|
|
html_options = container.inject([]) do |options, element|
|
|
if element.respond_to?(:first) && element.respond_to?(:last)
|
|
if element.last != selected
|
|
options << "<option value=\"#{element.last}\">#{element.first}</option>"
|
|
else
|
|
options << "<option value=\"#{element.last}\" selected>#{element.first}</option>"
|
|
end
|
|
else
|
|
options << ((element != selected) ? "<option>#{element}</option>" : "<option selected>#{element}</option>")
|
|
end
|
|
end
|
|
|
|
html_options.join("\n")
|
|
end
|
|
|
|
# Creates a hyperlink to a Wiki page, without checking if the page exists or not
|
|
def link_to_existing_page(page, text = nil, html_options = {})
|
|
link_to(
|
|
text || page.name,
|
|
{:web => @web.address, :action => 'show', :id => page.name, :only_path => true},
|
|
html_options)
|
|
end
|
|
|
|
|
|
# Creates a hyperlink to a Wiki page, or to a "new page" form if the page doesn't exist yet
|
|
def link_to_page(page_name, web = @web, text = nil, options = {})
|
|
raise 'Web not defined' if web.nil?
|
|
home_page_url = url_for :web => web.address, :action => 'show', :id => 'HomePage', :only_path => true
|
|
base_url = home_page_url.sub(%r-/show/HomePage/?$-, '')
|
|
web.make_link(page_name, text, options.merge(:base_url => base_url))
|
|
end
|
|
|
|
# Creates a menu of categories
|
|
def categories_menu
|
|
if @categories.empty?
|
|
''
|
|
else
|
|
"<div id=\"categories\">\n" +
|
|
'<strong>Categories</strong>:' +
|
|
'[' + link_to_unless_current('Any', :web => @web.address, :action => @action_name) + "]\n" +
|
|
@categories.map { |c|
|
|
link_to_unless_current(c, :web => @web.address, :action => @action_name, :category => c)
|
|
}.join(', ') + "\n" +
|
|
'</div>'
|
|
end
|
|
end
|
|
|
|
end
|