From 1e7dfe545e85029de0ded514dc13bf347c6512c7 Mon Sep 17 00:00:00 2001
From: Eric Davis <edavis@littlestreamsoftware.com>
Date: Tue, 3 May 2011 10:48:51 -0700
Subject: [PATCH] [#604] Port the macro_list to Liquid: variable_list and
 tag_list

---
 lib/chili_project/liquid/tags.rb               |  3 ++-
 lib/chili_project/liquid/tags/tag_list.rb      | 14 ++++++++++++++
 lib/chili_project/liquid/tags/variable_list.rb | 15 +++++++++++++++
 lib/chili_project/liquid/variables.rb          |  1 +
 lib/redmine/wiki_formatting/macros.rb          | 10 ----------
 5 files changed, 32 insertions(+), 11 deletions(-)
 create mode 100644 lib/chili_project/liquid/tags/tag_list.rb
 create mode 100644 lib/chili_project/liquid/tags/variable_list.rb

diff --git a/lib/chili_project/liquid/tags.rb b/lib/chili_project/liquid/tags.rb
index 56dc342d..9438213d 100644
--- a/lib/chili_project/liquid/tags.rb
+++ b/lib/chili_project/liquid/tags.rb
@@ -27,7 +27,8 @@ module ChiliProject::Liquid
     # child_pages
     register_tag('hello_world', HelloWorld)
     # include
-    # macro_list
+    register_tag('tag_list', TagList, :html => true)
+    register_tag('variable_list', VariableList, :html => true)
   end
 end
 
diff --git a/lib/chili_project/liquid/tags/tag_list.rb b/lib/chili_project/liquid/tags/tag_list.rb
new file mode 100644
index 00000000..e409e8ca
--- /dev/null
+++ b/lib/chili_project/liquid/tags/tag_list.rb
@@ -0,0 +1,14 @@
+module ChiliProject::Liquid::Tags
+  class TagList < Tag
+    include ActionView::Helpers::TagHelper
+
+    def render(context)
+      content_tag('p', "Tags:") +
+      content_tag('ul',
+        ::Liquid::Template.tags.keys.sort.collect {|tag_name|
+          content_tag('li', content_tag('code', h(tag_name)))
+        }.join('')
+      )
+    end
+  end
+end
\ No newline at end of file
diff --git a/lib/chili_project/liquid/tags/variable_list.rb b/lib/chili_project/liquid/tags/variable_list.rb
new file mode 100644
index 00000000..51b85a48
--- /dev/null
+++ b/lib/chili_project/liquid/tags/variable_list.rb
@@ -0,0 +1,15 @@
+module ChiliProject::Liquid::Tags
+  class VariableList < Tag
+    include ActionView::Helpers::TagHelper
+
+    def render(context)
+      out = ''
+      context.environments.first.keys.sort.each do |liquid_variable|
+        next if liquid_variable == 'text' # internal variable
+        out << content_tag('li', content_tag('code', h(liquid_variable)))
+      end if context.environments.present?
+
+      content_tag('p', "Variables:") + content_tag('ul', out)
+    end
+  end
+end
diff --git a/lib/chili_project/liquid/variables.rb b/lib/chili_project/liquid/variables.rb
index 28766ec6..ad23da38 100644
--- a/lib/chili_project/liquid/variables.rb
+++ b/lib/chili_project/liquid/variables.rb
@@ -6,6 +6,7 @@ module ChiliProject
       # Variables are used in liquid like {{var}}
       def self.macro_backwards_compatibility
         {
+          'macro_list' => "Use the '{% variable_list %}' tag to see all Liquid variables and '{% tag_list %}' to see all of the Liquid tags."
         }
       end
     end
diff --git a/lib/redmine/wiki_formatting/macros.rb b/lib/redmine/wiki_formatting/macros.rb
index df03ce59..8b4468a5 100644
--- a/lib/redmine/wiki_formatting/macros.rb
+++ b/lib/redmine/wiki_formatting/macros.rb
@@ -68,16 +68,6 @@ module Redmine
       end
 
       # Builtin macros
-      desc "Displays a list of all available macros, including description if available."
-      macro :macro_list do
-        out = ''
-        @@available_macros.keys.collect(&:to_s).sort.each do |macro|
-          out << content_tag('dt', content_tag('code', macro))
-          out << content_tag('dd', textilizable(@@available_macros[macro.to_sym]))
-        end
-        content_tag('dl', out)
-      end
-
       desc "Displays a list of child pages. With no argument, it displays the child pages of the current wiki page. Examples:\n\n" +
              "  !{{child_pages}} -- can be used from a wiki page only\n" +
              "  !{{child_pages(Foo)}} -- lists all children of page Foo\n" +