From 7b0fd82c7c8c3fedc842274205015e0ddb0f3f24 Mon Sep 17 00:00:00 2001
From: Dag Odenhall <dag.odenhall@gmail.com>
Date: Sat, 31 May 2008 04:03:50 +0200
Subject: [PATCH] Framework for lazy data [#5 state:resolved]

---
 lib/amazing.rb                      |  1 +
 lib/amazing/helpers/lazy_data.rb    | 11 +++++++++++
 lib/{amazing.rb => amazing/lazy.rb} | 27 +++++++++++++++++----------
 lib/amazing/widget.rb               |  2 ++
 4 files changed, 31 insertions(+), 10 deletions(-)
 create mode 100644 lib/amazing/helpers/lazy_data.rb
 copy lib/{amazing.rb => amazing/lazy.rb} (69%)

diff --git a/lib/amazing.rb b/lib/amazing.rb
index c6241e7..efbb55d 100644
--- a/lib/amazing.rb
+++ b/lib/amazing.rb
@@ -15,6 +15,7 @@
 require 'amazing/awesome'
 require 'amazing/cli'
 require 'amazing/config'
+require 'amazing/lazy'
 require 'amazing/numeric'
 require 'amazing/options'
 require 'amazing/proc_file'
diff --git a/lib/amazing/helpers/lazy_data.rb b/lib/amazing/helpers/lazy_data.rb
new file mode 100644
index 0000000..5c3178a
--- /dev/null
+++ b/lib/amazing/helpers/lazy_data.rb
@@ -0,0 +1,11 @@
+require 'amazing/lazy'
+
+module Amazing
+  module Helpers
+    module LazyData
+      def lazy(&block)
+        Lazy.new(&block)
+      end
+    end
+  end
+end
diff --git a/lib/amazing.rb b/lib/amazing/lazy.rb
similarity index 69%
copy from lib/amazing.rb
copy to lib/amazing/lazy.rb
index c6241e7..551ec86 100644
--- a/lib/amazing.rb
+++ b/lib/amazing/lazy.rb
@@ -12,13 +12,20 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'amazing/awesome'
-require 'amazing/cli'
-require 'amazing/config'
-require 'amazing/numeric'
-require 'amazing/options'
-require 'amazing/proc_file'
-require 'amazing/string'
-require 'amazing/widget'
-require 'amazing/widgets'
-require 'amazing/x11'
+module Amazing
+  class Lazy
+    def initialize(&block)
+      @block = block
+    end
+
+    def to_s
+      @value ||= @block.call.to_s
+    end
+
+    alias inspect to_s
+
+    def method_missing(name, *args, &block)
+      to_s.__send__(name, *args, &block)
+    end
+  end
+end
diff --git a/lib/amazing/widget.rb b/lib/amazing/widget.rb
index d8259c9..95335e4 100644
--- a/lib/amazing/widget.rb
+++ b/lib/amazing/widget.rb
@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+require 'amazing/helpers/lazy_data'
 require 'amazing/helpers/pango_markup'
 require 'erb'
 
@@ -36,6 +37,7 @@ module Amazing
   #     end
   #   end
   class Widget
+    include Helpers::LazyData
     include Helpers::PangoMarkup
     include ERB::Util
 
-- 
2.11.4.GIT