openstreetmap-website/app/helpers/application_helper.rb
Tom Hughes d516198bbe Update to rails 2.3.8
Update site to use rails 2.3.8 which also allows us to drop the
globalize2 plugin as the core rails i18n code can now do fallback
and pluralization.
2010-05-26 19:54:10 +01:00

92 lines
2.3 KiB
Ruby

module ApplicationHelper
require 'rexml/document'
def sanitize(text)
Sanitize.clean(text, Sanitize::Config::OSM)
end
def htmlize(text)
return linkify(sanitize(simple_format(text)))
end
def linkify(text)
return auto_link(text, :link => :urls, :html => { :rel => "nofollow" })
end
def html_escape_unicode(text)
chars = ActiveSupport::Multibyte::Chars.u_unpack(text).map do |c|
c < 127 ? c.chr : "&##{c.to_s};"
end
return chars.join("")
end
def rss_link_to(*args)
return link_to(image_tag("RSS.gif", :size => "16x16", :border => 0), Hash[*args], { :class => "rsssmall" });
end
def atom_link_to(*args)
return link_to(image_tag("RSS.gif", :size => "16x16", :border => 0), Hash[*args], { :class => "rsssmall" });
end
def javascript_strings
js = ""
js << "<script type='text/javascript'>\n"
js << "i18n_strings = new Array();\n"
js << javascript_strings_for_key("javascripts")
js << "</script>\n"
return js
end
def describe_location(lat, lon, zoom = nil, language = nil)
zoom = zoom || 14
language = language || request.user_preferred_languages.join(',')
url = "http://nominatim.openstreetmap.org/reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{language}"
response = REXML::Document.new(Net::HTTP.get(URI.parse(url)))
if result = response.get_text("reversegeocode/result")
result.to_s
else
"#{number_with_precision(lat, :precision => 3)}, #{number_with_precision(lon, :precision => 3)}"
end
end
def user_image(user, options = {})
options[:class] ||= "user_image"
if user.image
image_tag url_for_file_column(user, "image"), options
else
image_tag "anon_large.png", options
end
end
def user_thumbnail(user, options = {})
options[:class] ||= "user_thumbnail"
if user.image
image_tag url_for_file_column(user, "image"), options
else
image_tag "anon_small.png", options
end
end
private
def javascript_strings_for_key(key)
js = ""
value = I18n.t(key, :locale => "en")
if value.is_a?(String)
js << "i18n_strings['#{key}'] = '" << escape_javascript(t(key)) << "';\n"
else
value.each_key do |k|
js << javascript_strings_for_key("#{key}.#{k}")
end
end
return js
end
end