X-Git-Url: https://git.hcoop.net/clinton/lisp-on-lines.git/blobdiff_plain/bd9c9c317657fe4d4cd1b7b4758f36b0f338ef3c..ddf67d6be45e1ea2d58aef8cceeba26f73ed1a0c:/src/standard-descriptions/t.lisp

diff --git a/src/standard-descriptions/t.lisp b/src/standard-descriptions/t.lisp
index 08a846a..bc2c367 100644
--- a/src/standard-descriptions/t.lisp
+++ b/src/standard-descriptions/t.lisp
@@ -1,5 +1,8 @@
 (in-package :lisp-on-lines)
 
+(defmethod described-object ((attribute standard-attribute))
+  (described-object (attribute-description attribute)))
+
 (define-description T ()
   ((label :label nil 
 	  :function (lambda (object)
@@ -40,27 +43,42 @@
   (:method (attribute)
     (display-using-description attribute *display* (attribute-object attribute))))
 
+
 (define-layered-function display-attribute-label (attribute)
   (:method (attribute)
     (funcall (attribute-label-formatter attribute) (attribute-label attribute))))
 	   
-
-
 (define-layered-function display-attribute-value (attribute)
+  (:method-combination arnesi:wrapping-standard)
   (:method (attribute)
     (flet ((disp (val &rest args)
 	     (apply #'display *display* val 
 		    :activate (attribute-active-descriptions attribute)
 		    :deactivate (attribute-inactive-descriptions attribute)
 		    args)))
-	     
+
+
     (let ((val (attribute-value attribute)))
-      (if (eql val (attribute-object attribute))
-	  (generic-format *display* (funcall (attribute-value-formatter attribute) val))
+#+nil            (break "display Attribute value: ~A with object ~A ~% Description ~A att-d ~A ~% VALUE ~A display on ~A" 
+		   	 attribute 
+			 (attribute-object attribute)
+			 *description*
+			 (attribute-description attribute)
+			 val
+			 *display*
+			 )
+      (if (and (not (slot-boundp attribute 'active-attributes))
+	       (equal val (attribute-object attribute)))
+	  (progn (generic-format *display* "~A"(funcall (attribute-value-formatter attribute) val))		 
+		 #+nil(break "using generic format because val is object and there is no active attributes."))
+	  
 	  (with-active-descriptions (inline)
-	    (if (slot-boundp attribute 'active-attributes)
-		(disp val :attributes (slot-value attribute 'active-attributes))
-		(disp val))))))))
+	    (cond ((slot-value attribute 'value-formatter)
+		   (generic-format *display* "~A"(funcall (attribute-value-formatter attribute) val)))
+		   ((slot-boundp attribute 'active-attributes)
+		    (disp val :attributes (slot-value attribute 'active-attributes)))
+		   (t
+		    (disp val)))))))))
 
 (define-layered-method display-using-description 
   ((attribute standard-attribute) display object &rest args)
@@ -69,9 +87,28 @@
     (display-attribute-label attribute))
   (display-attribute-value attribute))
 
+(define-layered-method display-attribute :around ((attribute standard-attribute))
+  (with-attribute-context (attribute)
+    (call-next-method))
+    #+nil(funcall-with-layer-context 
+   (modify-layer-context (current-layer-context) 
+			 :activate (attribute-active-descriptions attribute)
+			 :deactivate (attribute-inactive-descriptions attribute))
+   (lambda () 
+     (call-next-method))))
+
+(define-layered-method display-attribute :before
+  ((attribute standard-attribute))
+#+nil  (break "Attribute : ~A with object ~A ~% Description ~A att-d ~A" 
+	 attribute 
+	 (attribute-object attribute)
+	 *description*
+	 (attribute-description attribute)
+))
+
 (define-display ((description t))
  (let ((attributes (attributes description)))
-   (display-attribute (first attributes))
+   (when (first attributes)(display-attribute (first attributes)))
    (dolist (attribute (rest attributes) (values))
      (generic-format *display* 
       (attribute-value 
@@ -81,8 +118,8 @@
 
 (define-display :around ((description t) (display null) object)
  (with-output-to-string (*standard-output*)
-   (call-next-layered-method description t object))
-)		
+   (apply #'call-next-layered-method description t object args)))
+