(in-package :lisp-on-lines)
(define-description T ()
- ((identity :label nil :function #'identity)
- (type :label "Type of" :function #'type-of)
+ ((label :label nil
+ :function (lambda (object)
+ (format nil "~@(~A~)"
+ (substitute #\Space #\-
+ (symbol-name
+ (class-name (class-of
+ object)))))))
+ (identity :label nil :function #'identity)
+ (type :label "Type" :function #'type-of)
(class :label "Class" :function #'class-of)
(active-attributes :label "Attributes"
:value nil
:activep nil
:keyword :activate)
(inactive-descriptions :label "Inactive Descriptions"
- :value nil
- :activep nil
- :keyword :deactivate)
+ :value nil
+ :activep nil
+ :keyword :deactivate)
(label-formatter :value (lambda (label)
- (generic-format *display* "~A " label))
+ (generic-format *display* "~A:" label))
:activep nil)
(value-formatter :value (curry #'format nil "~A")
:activep nil)))
(: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 (attribute)
(flet ((disp (val &rest args)
args)))
(let ((val (attribute-value attribute)))
- (if (eql val (attribute-object attribute))
+ (if (and (not (slot-boundp attribute 'active-attributes))
+ (eql val (attribute-object attribute)))
(generic-format *display* (funcall (attribute-value-formatter attribute) val))
(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* (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)
(display-attribute-label attribute))
(display-attribute-value attribute))
+(define-layered-method display-attribute :around
+ ((attribute standard-attribute))
+ (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))
+)
+
(define-display ((description t))
(let ((attributes (attributes description)))
(display-attribute (first attributes))
(define-display :around ((description t) (display null) object)
(with-output-to-string (*standard-output*)
- (call-next-layered-method description t object)))
+ (call-next-layered-method description t object))
+)