lib/table_helper/cell.rb in table_helper-0.1.0 vs lib/table_helper/cell.rb in table_helper-0.2.0

@@ -1,34 +1,49 @@
 module TableHelper
   # Represents a single cell within a table.  This can either be a regular
   # data cell (td) or a header cell (th).  By default, all cells will have
-  # their column name appended to the cell's class attribute.
+  # their name appended to the cell's class attribute.
   # 
-  # == Creating data cells
+  # == Examples
   # 
-  #   Cell.new(:author, 'John Doe').build
-  # 
-  # ...would generate the following tag:
-  # 
-  #   <td class="author">John Doe</td>
-  # 
-  # == Creating header cells
-  # 
+  #   # Data cell
+  #   c = Cell.new(:author, 'John Doe')
+  #   c.html    # => <td class="author">John Doe</td>
+  #   
+  #   # Header cell
   #   c = Cell.new(:author, 'Author Name')
   #   c.content_type = :header
-  #   c.build
-  # 
-  # ...would generate the following tag:
-  # 
-  #   <th class="author">Author Name</th>
+  #   c.html
+  #   
+  #   # With namespace
+  #   c = Cell.new(:author, :namespace => 'post')
+  #   c.content_type = :header
+  #   c.html    # => <td class="post-author">Author</td>
   class Cell < HtmlElement
-    def initialize(class_name, content = class_name.to_s.titleize, html_options = {}) #:nodoc
+    # The css class to apply to empty cells
+    cattr_accessor :empty_class
+    @@empty_class = 'ui-state-empty'
+    
+    # The content to display within the cell
+    attr_reader :content
+    
+    # The type of content this cell represents (:data or :header)
+    attr_reader :content_type
+    
+    def initialize(name, content = name.to_s.titleize, html_options = {}) #:nodoc
+      html_options, content = content, name.to_s.titleize if content.is_a?(Hash)
+      namespace = html_options.delete(:namespace)
       super(html_options)
       
-      @content = content
-      @html_options[:class] = ("#{class_name} " + @html_options[:class].to_s).strip if class_name
+      @content = content.to_s
       
+      if name
+        name = "#{namespace}-#{name}" unless namespace.blank?
+        self[:class] = "#{self[:class]} #{name}".strip
+      end
+      self[:class] = "#{self[:class]} #{empty_class}".strip if content.blank?
+      
       self.content_type = :data
     end
     
     # Indicates what type of content will be stored in this cell.  This can
     # be set to either :data or :header.
@@ -38,12 +53,8 @@
     end
     
     private
       def tag_name
         @content_type == :data ? 'td' : 'th'
-      end
-      
-      def content
-        @content
       end
   end
 end