module ApplicationHelper
require 'rexml/document'
- def sanitize(text)
- Sanitize.clean(text, Sanitize::Config::OSM).html_safe
- end
-
- def htmlize(text)
- return linkify(sanitize(simple_format(text)))
- end
-
def linkify(text)
if text.html_safe?
Rinku.auto_link(text, :urls, tag_options(:rel => "nofollow")).html_safe
end
end
- def html_escape_unicode(text)
- chars = ActiveSupport::Multibyte::Unicode.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
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 raw(js)
- end
-
def style_rules
css = ""
content_tag(tag, capture(&block), :class => "hide_unless_administrator")
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}"
-
- begin
- response = OSM::Timer.timeout(4) do
- REXML::Document.new(Net::HTTP.get(URI.parse(url)))
- end
- rescue Exception
- response = nil
- end
-
- if response and 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"
-
- image_tag user.image.url(:large), options
- end
-
- def user_thumbnail(user, options = {})
- options[:class] ||= "user_thumbnail"
-
- image_tag user.image.url(:small), options
- end
-
def preferred_editor
if params[:editor]
params[:editor]
end
end
-private
+ def scale_to_zoom(scale)
+ Math.log(360.0 / (scale.to_f * 512.0)) / Math.log(2.0)
+ end
- def javascript_strings_for_key(key)
- js = ""
- value = I18n.t(key, :locale => "en")
+ def richtext_area(object_name, method, options = {})
+ id = "#{object_name.to_s}_#{method.to_s}"
+ format = options.delete(:format) || "markdown"
- 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}")
+ content_tag(:div, :id => "#{id}_container", :class => "richtext_container") do
+ output_buffer << content_tag(:div, :id => "#{id}_content", :class => "richtext_content") do
+ output_buffer << text_area(object_name, method, options.merge("data-preview-url" => preview_url(:format => format)))
+ output_buffer << content_tag(:div, "", :id => "#{id}_preview", :class => "richtext_preview")
+ end
+
+ output_buffer << content_tag(:div, :id => "#{id}_help", :class => "richtext_help") do
+ output_buffer << render("site/#{format}_help")
+ output_buffer << submit_tag(I18n.t("site.richtext_area.edit"), :id => "#{id}_doedit", :class => "richtext_doedit", :disabled => true)
+ output_buffer << submit_tag(I18n.t("site.richtext_area.preview"), :id => "#{id}_dopreview", :class => "richtext_dopreview")
end
end
+ end
- return js
+ def friendly_date(date)
+ content_tag(:span, time_ago_in_words(date), :title => l(date, :format => :friendly))
+ end
+
+ def note_author(object, link_options = {})
+ if object.author.nil?
+ h(object.author_name)
+ else
+ link_to h(object.author_name), link_options.merge({:controller => "user", :action => "view", :display_name => object.author_name})
+ end
end
end