Add preview functionality to rich text controls

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

diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 7a72932f55affbbd6550adc3a50a394bb93cfc1d..37dcf90e09de1c97e4ae4d62dfa96fb79f0b3860 100644 (file)
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -121,6 +121,24 @@ module ApplicationHelper
     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")
+      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
+
 private
 
   def javascript_strings_for_key(key)