application_helper.rb
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# Methods added to this helper will be available to all templates in the application.
module ApplicationHelper
# Displays context help. You can pass the content of the help message as the
# first parameter or using template code inside a block passed to this
# method. *Note*: the block is ignored if <tt>content</tt> is not
# <tt>nil</tt>
#
# The method returns the text generated, so you can also use it inside a
# <%= ... %>
#
# Follow some examples ...
#
# Passing the text as argument:
#
# <% help 'This your help message' %>
#
# Using a block:
#
# <% help do %>
# This is the help message to be displayed. It can contain any HTML you
# want: <strong>bold</strong>, <em>italic</em>. It can also contain calls
# to any Rails helper, like <%= link_to 'home', :controller => 'home' %>.
# <% end %>
#
# You can also pass an optional argument to force the use of textile in your
# help message:
#
# <% help nil, :textile do %>
# You can also use *textile*!
# <% end %>
#
# or, using the return of the method:
#
# <%= help 'this is your help message' %>
#
# Formally, the <tt>type</tt> argument can be <tt>:html</tt> or
# <tt>:textile</tt>. It defaults to <tt>:html</tt>.
#
# TODO: implement correcly the 'Help' button click
def help(content = nil, type = :html, &block)
if content.nil?
return '' if block.nil?
content = capture(&block)
end
if type == :textile
content = RedCloth.new(content).to_html
end
# TODO: implement this button, and add style='display: none' to the help
# message DIV
button = link_to_function(_('Help'), "alert('change me, Leandro!')")
text = content_tag('div', button + content_tag('div', content, :class => 'help_message', :style => 'display: none;'), :class => 'help_box')
unless block.nil?
concat(text, block.binding)
end
text
end
# alias for <tt>help(content, :textile)</tt>. You can pass a block in the
# same way you would do if you called <tt>help</tt> directly.
def help_textile(content = nil, &block)
help(content, :textile, &block)
end
# TODO: do something more useful here
# TODO: test this helper
# TODO: add an icon?
# TODO: the command rake test:rcov didn't works because of this method. See what it's the problem
def virtual_community_identification
content_tag('div', @virtual_community.name, :id => 'virtual_community_identification')
end
# TODO: add the actual links
# TODO: test this helper
def user_links
links = [
[ _('My accont'), { :controller => 'account' } ],
[ _('My profile'), { :controller => 'ble'} ],
[ _('My groups'), { :controller => 'bli'} ],
].map do |link|
link_to link[0], link[1]
end.join(' ')
content_tag('div', links, :id => 'user_links')
end
end