Merge branch 'master' into notes

[rails.git] / app / helpers / application_helper.rb

diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 5fa021bcf4e695c130c2e4094fe1ecb2ccdb68cc..3771acf3726746cbc44f99a5cc91af5c43c2c14b 100644 (file)
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1,99 +1,102 @@
 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};"
+    if text.html_safe?
+      Rinku.auto_link(text, :urls, tag_options(:rel => "nofollow")).html_safe
+    else
+      Rinku.auto_link(text, :urls, tag_options(:rel => "nofollow"))
     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" });
+    return link_to(image_tag("RSS.png", :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" });
+    return link_to(image_tag("RSS.png", :size => "16x16", :border => 0), Hash[*args], { :class => "rsssmall" });
   end
 
-  def javascript_strings
-    js = ""
+  def style_rules
+    css = ""
 
-    js << "<script type='text/javascript'>\n"
-    js << "i18n_strings = new Array();\n"
-    js << javascript_strings_for_key("javascripts")
-    js << "</script>\n"
+    css << ".hidden { display: none !important }";
+    css << ".hide_unless_logged_in { display: none !important }" unless @user;
+    css << ".hide_if_logged_in { display: none !important }" if @user;
+    css << ".hide_if_user_#{@user.id} { display: none !important }" if @user;
+    css << ".show_if_user_#{@user.id} { display: inline !important }" if @user;
+    css << ".hide_unless_administrator { display: none !important }" unless @user and @user.administrator?;
 
-    return js
+    return content_tag(:style, css, :type => "text/css")
   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}"
+  def if_logged_in(tag = :div, &block)
+    content_tag(tag, capture(&block), :class => "hide_unless_logged_in")
+  end
 
-    begin
-      Timeout::timeout(4) do
-        response = REXML::Document.new(Net::HTTP.get(URI.parse(url)))
-      end
-    rescue Exception
-      response = nil
-    end
+  def if_not_logged_in(tag = :div, &block)
+    content_tag(tag, capture(&block), :class => "hide_if_logged_in")
+  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)}"
+  def if_user(user, tag = :div, &block)
+    if user
+      content_tag(tag, capture(&block), :class => "hidden show_if_user_#{user.id}")
     end
   end
 
-  def user_image(user, options = {})
-    options[:class] ||= "user_image"
-
-    if user.image
-      image_tag url_for_file_column(user, "image"), options
+  def unless_user(user, tag = :div, &block)
+    if user
+      content_tag(tag, capture(&block), :class => "hide_if_user_#{user.id}")
     else
-      image_tag "anon_large.png", options
+      content_tag(tag, capture(&block))
     end
   end
 
-  def user_thumbnail(user, options = {})
-    options[:class] ||= "user_thumbnail"
+  def if_administrator(tag = :div, &block)
+    content_tag(tag, capture(&block), :class => "hide_unless_administrator")
+  end
 
-    if user.image
-      image_tag url_for_file_column(user, "image"), options
+  def preferred_editor
+    if params[:editor]
+      params[:editor]
+    elsif @user and @user.preferred_editor
+      @user.preferred_editor
     else
-      image_tag "anon_small.png", options
+      DEFAULT_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 richtext")
+      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
+
+  def dir
+    if dir = params[:dir]
+      dir == "rtl" ? "rtl" : "ltr"
+    else
+      I18n.t("html.dir")
+    end
+  end
 
-    return js
+  def friendly_date(date)
+    content_tag(:span, time_ago_in_words(date), :title => l(date, :format => :friendly))
   end
 end