arrays can now be supported

README.md

@@ -66,6 +66,7 @@ Authors
 - Joakim Westerlund (web design)
 - Milan Novota (initial Rails 3 support)
 - Roman Shterenzon (Rails 3 cleanup and gem packaging)
+- Ichiro Yamamoto
 
 Many thanks to http://newsdesk.se for sponsoring the development of this plugin.
 

app/controllers/translate_controller.rb

@@ -19,7 +19,8 @@ def index
   end
 
   def translate
-    I18n.backend.store_translations(@to_locale, Translate::Keys.to_deep_hash(params[:key]))
+		processed_parameters = process_array_parameters(params[:key])
+    I18n.backend.store_translations(@to_locale, Translate::Keys.to_deep_hash(processed_parameters))
     Translate::Storage.new(@to_locale).write_to_file
     Translate::Log.new(@from_locale, @to_locale, params[:key].keys).write_to_file
     force_init_translations # Force reload from YAML file
@@ -39,8 +40,8 @@ def initialize_keys
     @keys.reject! do |key|
       from_text = lookup(@from_locale, key)
       # When translating from one language to another, make sure there is a text to translate from.
-      # Always exclude non string translation objects as we don't support editing them in the UI.
-      (@from_locale != @to_locale && !from_text.present?) || (from_text.present? && !from_text.is_a?(String))      
+      # The only supported formats are String and Array. We don't support other formats
+      (@from_locale != @to_locale && !from_text.present?) || (from_text.present? && !from_text.is_a?(String) && !from_text.is_a?(Array))      
     end
   end
 
@@ -162,4 +163,17 @@ def old_from_text(key)
   def log_hash
     @log_hash ||= Translate::Log.new(@from_locale, @to_locale, {}).read
   end
+
+	def process_array_parameters(parameter)
+		reconstructed_hash = Hash.new
+
+		parameter.each do |key, value|
+			if value.is_a?(String)
+				reconstructed_hash[key] = value
+			elsif value.is_a?(Hash)
+				reconstructed_hash[key] = Translate::Keys.arraylize(value)
+			end
+		end
+		reconstructed_hash
+	end
 end

app/helpers/translate_helper.rb

@@ -1,5 +1,20 @@
 module TranslateHelper
 
+	def render_translate_form(from_locale, to_locale, key)
+		from_text = lookup(from_locale, key)
+		if from_text.is_a?(String)
+			render :partial => 'string_form', :locals => 
+				{:from_locale => from_locale,
+					:to_locale => to_locale,
+					:key => key}
+		elsif from_text.is_a?(Array)
+			render :partial => 'array_form', :locals => 
+				{:from_locale => from_locale,
+					:to_locale => to_locale,
+					:key => key}
+		end
+	end
+
 	def from_locales
 		# Attempt to get the list of locale from configuration
 		from_loc = Rails.application.config.from_locales if Rails.application.config.respond_to?(:from_locales)

app/views/translate/_array_form.html.erb

@@ -0,0 +1,42 @@
+<%
+	from_text = lookup(from_locale, key)
+	to_text = lookup(to_locale, key)
+	field_name = "key[#{key}]"
+%>
+
+<div class="translation">
+<% if from_text.present? %>
+	<p class="translation-text">
+		<ol>
+			<% from_text.each_with_index do |from_text_section, index| %>
+				<%
+					from_text_section = from_text_section.to_s
+					line_size = 100
+					n_lines = n_lines(from_text_section, line_size)
+					# this is needed so the controller doesn't freak out when there is no translations found
+					# for this element yet...
+					to_text = Array.new if to_text.blank?
+				%>
+				<li><%= from_text_section %></li>
+				<p class="edit-form">
+				<% if n_lines > 1 %>
+					<%= text_area_tag("#{field_name}[#{index}]", to_text[index], :size => "#{line_size}x#{n_lines}", :id => "#{key}[#{index}]") %>
+				<% else %>
+					<%= text_field_tag("#{field_name}[#{index}]", to_text[index], :size => line_size, :id => "#{key}[#{index}]") %>
+				<% end %>
+				<%= link_to_function 'Auto Translate', "getGoogleTranslation('#{key}[#{index}]', \"#{escape_javascript(from_text_section)}\", '#{@from_locale}', '#{@to_locale}')", :style => 'padding: 0; margin: 0;' %>
+				</p>
+			<% end %>
+		</ol>
+	</p>
+<% end %>
+<p>
+	<em>
+		<br/>
+		<strong>Key:</strong><%=h key %><br/>
+		<% if @files[key] %>
+			<strong>File:</strong><%= @files[key].join("<br/>") %>
+			<% end %>
+	</em>
+</p>
+</div>  

app/views/translate/_pagination.html.erb

@@ -21,4 +21,4 @@
 	  <% end %>
 	</ul>
 </div>
-<% end %>
+<% end %>

app/views/translate/_string_form.html.erb

@@ -0,0 +1,32 @@
+<%
+	from_text = lookup(from_locale, key)
+	to_text = lookup(to_locale, key)
+	line_size = 100
+	n_lines = n_lines(from_text, line_size)
+	field_name = "key[#{key}]"
+%>
+
+<div class="translation">    
+<% if from_text.present? %>
+	<p class="translation-text">
+		<%= simple_format(h(from_text)) %>
+	</p>
+<% end %>
+<p class="edit-form">
+<% if n_lines > 1 %>
+	<%= text_area_tag(field_name, to_text, :size => "#{line_size}x#{n_lines}", :id => key) %>
+<% else %>
+	<%= text_field_tag(field_name, to_text, :size => line_size, :id => key) %>
+<% end %>
+</p>
+<p>
+	<em>
+		<%= link_to_function 'Auto Translate', "getGoogleTranslation('#{key}', \"#{escape_javascript(from_text)}\", '#{@from_locale}', '#{@to_locale}')", :style => 'padding: 0; margin: 0;' %>
+		<br/>
+		<strong>Key:</strong><%=h key %><br/>
+		<% if @files[key] %>
+			<strong>File:</strong><%= @files[key].join("<br/>") %>
+			<% end %>
+	</em>
+</p>
+</div>  

app/views/translate/index.html.erb

@@ -70,38 +70,13 @@
     <p class="translate">
 	    <%= submit_tag "Save Translations" %>
 	  </p>
-	  <% @paginated_keys.each do |key| 
-	      from_text = lookup(@from_locale, key)
-	      to_text = lookup(@to_locale, key)
-	      line_size = 100
-	      n_lines = n_lines(from_text, line_size)
-	      field_name = "key[#{key}]"
-    %>
-	  <div class="translation">    
-		<% if from_text.present? %>
-		  <p class="translation-text">
-				<%= simple_format(h(from_text)) %>
-			</p>
+	  <% @paginated_keys.each do |key| %>
+			<%= 
+				# this is a helper method, we need to determine if the thing we are trying to translate is
+				# a string or an array, and it would be very messey if i put everything in this view
+				render_translate_form(@from_locale, @to_locale, key)
+			%>
 		<% end %>
-		<p class="edit-form">
-		<% if n_lines > 1 %>
-			<%= text_area_tag(field_name, to_text, :size => "#{line_size}x#{n_lines}", :id => key) %>
-		<% else %>
-			<%= text_field_tag(field_name, to_text, :size => line_size, :id => key) %>
-		<% end %>
-		</p>
-		<p>
-		  <em>
-			  <%= link_to_function 'Auto Translate', "getGoogleTranslation('#{key}', \"#{escape_javascript(from_text)}\", '#{@from_locale}', '#{@to_locale}')", :style => 'padding: 0; margin: 0;' %>
-			  <br/>
-			  <strong>Key:</strong><%=h key %><br/>
-			  <% if @files[key] %>
-				  <strong>File:</strong><%= @files[key].join("<br/>") %>
-			    <% end %>
-			</em>
-		</p>
-	</div>  
-<% end %>
   <p class="translate">
     <%= submit_tag "Save Translations" %>
 	</p>

lib/translate/keys.rb

@@ -128,6 +128,21 @@ def self.deep_merge!(hash1, hash2)
     hash1.merge!(hash2, &merger)
   end
 
+	# Convert something like:
+	#
+	# {'0' => "elem 1", '1' => "elem 2"}
+	#
+	# to:
+	#
+	# ["elem 1", "elem 2"]
+	#
+	def self.arraylize(input_hash)
+		input_hash.inject([]) do |constructed_array, (key, value)|
+			constructed_array << value
+			constructed_array
+		end
+	end
+
   private
 
   def extract_files