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 b28ab7c1a6eca2dabe18a38d1b90e694bc9e5f6d..b91710b9c6f3dfa86df5cfc82532b00294adf1f7 100644 (file)
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1,13 +1,103 @@
 module ApplicationHelper
-  def htmlize(text)
-    return sanitize(auto_link(simple_format(text), :urls))
+  require 'rexml/document'
+
+  def linkify(text)
+    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
   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 style_rules
+    css = ""
+
+    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?;
+    css << ".hide_unless_moderator { display: none !important }" unless @user and @user.moderator?;
+
+    return content_tag(:style, css, :type => "text/css")
+  end
+
+  def if_logged_in(tag = :div, &block)
+    content_tag(tag, capture(&block), :class => "hide_unless_logged_in")
+  end
+
+  def if_not_logged_in(tag = :div, &block)
+    content_tag(tag, capture(&block), :class => "hide_if_logged_in")
+  end
+
+  def if_user(user, tag = :div, &block)
+    if user
+      content_tag(tag, capture(&block), :class => "hidden show_if_user_#{user.id}")
+    end
+  end
+
+  def unless_user(user, tag = :div, &block)
+    if user
+      content_tag(tag, capture(&block), :class => "hide_if_user_#{user.id}")
+    else
+      content_tag(tag, capture(&block))
+    end
+  end
+
+  def if_administrator(tag = :div, &block)
+    content_tag(tag, capture(&block), :class => "hide_unless_administrator")
+  end
+
+  def preferred_editor
+    if params[:editor]
+      params[:editor]
+    elsif @user and @user.preferred_editor
+      @user.preferred_editor
+    else
+      DEFAULT_EDITOR
+    end
+  end
+
+  def scale_to_zoom(scale)
+    Math.log(360.0 / (scale.to_f * 512.0)) / Math.log(2.0)
+  end
+
+  def richtext_area(object_name, method, options = {})
+    id = "#{object_name.to_s}_#{method.to_s}"
+    format = options.delete(:format) || "markdown"
+
+    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
+
+  def friendly_date(date)
+    content_tag(:span, time_ago_in_words(date), :title => l(date, :format => :friendly))
   end
 end