Add a blank richtext description method

[rails.git] / lib / rich_text.rb

diff --git a/lib/rich_text.rb b/lib/rich_text.rb
index f19d3d3a952ddd2c8240e2ea8da228c434523ffc..f554e5ab59d665a6b48332dab22b8e12d2ae115e 100644 (file)
--- a/lib/rich_text.rb
+++ b/lib/rich_text.rb
@@ -53,6 +53,14 @@ module RichText
       nil
     end
 
+    def image_alt
+      nil
+    end
+
+    def description
+      nil
+    end
+
     protected
 
     def simple_format(text)
@@ -92,9 +100,13 @@ module RichText
     end
 
     def image
-      return @image if defined? @image
+      @image_element = first_image_element(document.root) unless defined? @image_element
+      @image_element.attr["src"] if @image_element
+    end
 
-      @image = first_image_element(document.root)&.attr&.[]("src")
+    def image_alt
+      @image_element = first_image_element(document.root) unless defined? @image_element
+      @image_element.attr["alt"] if @image_element
     end
 
     private
@@ -104,13 +116,17 @@ module RichText
     end
 
     def first_image_element(element)
-      return element if element.type == :img
+      return element if image?(element) && element.attr["src"].present?
 
       element.children.find do |child|
         nested_image = first_image_element(child)
         break nested_image if nested_image
       end
     end
+
+    def image?(element)
+      element.type == :img || (element.type == :html_element && element.value == "img")
+    end
   end
 
   class Text < Base