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refactor

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David Botton 2022-02-15 12:40:28 -05:00
parent 06067d24fe
commit 95b22e46f0
3 changed files with 58 additions and 52 deletions
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83
source/clog-presentations.lisp
View file

@ -18,17 +18,44 @@
;; link-form-element-to-slot ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defmacro link-form-element-to-slot (clog-obj object accessor &key transform)
"Link changes to (value CLOG-OBJ) to (ACESSOR OBJECT)"
`(link-form-element-to-object ,clog-obj (,accessor ,object) :transform ,transform))
(defmacro link-form-element-to-slot (clog-obj object accessor
&key (set-event #'set-on-change)
transform)
"Link changes to (value CLOG-OBJ) to (ACESSOR OBJECT)
on SET-EVENT with TRANSFORM"
`(link-element-to-place ,clog-obj value (,accessor ,object)
:set-event ,set-event
:transform ,transform))
;;;;;;;;;;;;;;;;;;;;;;;;;;
;; link-element-to-slot ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;
(defmacro link-element-to-slot (clog-obj object accessor &key transform)
"Link changes to (text CLOG-OBJ) to (ACESSOR OBJECT)"
`(link-element-to-object ,clog-obj (,accessor ,object) :transform ,transform))
(defmacro link-element-to-slot (clog-obj object accessor
&key (set-event #'set-on-change)
transform)
"Link changes to (text CLOG-OBJ) to (ACESSOR OBJECT)
on SET-EVENT with TRANSFORM"
`(link-element-to-place ,clog-obj text (,accessor ,object)
:set-event ,set-event
:transform ,transform))
;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; link-element-to-place ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defmacro link-element-to-place (clog-obj property place
&key (set-event #'set-on-change)
transform)
"Link changes to (PROPERTY CLOG-OBJ) to any lisp PLACE
on SET-EVENT with TRANSFORM"
`(funcall ,set-event ,clog-obj
(lambda (obj)
(declare (ignore obj))
(let ((v (if ,transform
(funcall ,transform (,property ,clog-obj))
(,property ,clog-obj))))
(setf ,place v)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; link-slot-to-form-element ;;
@ -37,10 +64,7 @@
(defmacro link-slot-to-form-element (object accessor clog-obj &key transform)
"Link changes to lisp (ACCESSOR OBJECT) to (value CLOG-OBJ). Only one
element can be bound at a time to a list object."
`(defmethod (setf ,accessor) :after (new-value (obj (eql ,object)))
(setf (value ,clog-obj) (if ,transform
(funcall ,transform new-value)
new-value))))
`(link-slot-to-place ,object ,accessor (value ,clog-obj) :transform ,transform))
;;;;;;;;;;;;;;;;;;;;;;;;;;
;; link-slot-to-element ;;
@ -49,35 +73,16 @@ element can be bound at a time to a list object."
(defmacro link-slot-to-element (object accessor clog-obj &key transform)
"Link changes to lisp (ACCESSOR OBJECT) to (text CLOG-OBJ). Only one
element can be bound at a time to a list object."
`(link-slot-to-place ,object ,accessor (text ,clog-obj) :transform ,transform))
;;;;;;;;;;;;;;;;;;;;;;;;
;; link-slot-to-place ;;
;;;;;;;;;;;;;;;;;;;;;;;;
(defmacro link-slot-to-place (object accessor place &key transform)
"Link changes to lisp (ACCESSOR OBJECT) to PLACE. Only one
PLACE can be bound at a time to a list object."
`(defmethod (setf ,accessor) :after (new-value (obj (eql ,object)))
(setf (text ,clog-obj) (if ,transform
(setf ,place (if ,transform
(funcall ,transform new-value)
new-value))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; link-form-element-to-object ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defmacro link-form-element-to-object (clog-obj object &key transform)
"Link changes to (value CLOG-OBJ) to any lisp OBJECT"
`(set-on-change ,clog-obj
(lambda (obj)
(declare (ignore obj))
(let ((v (if ,transform
(funcall ,transform (value ,clog-obj))
(value ,clog-obj))))
(setf ,object v)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; link-element-to-object ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defmacro link-element-to-object (clog-obj object &key transform)
"Link changes to (text CLOG-OBJ) to any lisp OBJECT"
`(set-on-change ,clog-obj
(lambda (obj)
(declare (ignore obj))
(let ((v (if ,transform
(funcall ,transform (text ,clog-obj))
(text ,clog-obj))))
(setf ,object v)))))

4
source/clog.lisp
View file

@ -497,10 +497,10 @@ embedded in a native template application.)"
"CLOG-Presentations - CLOG Presentations"
(link-form-element-to-slot macro)
(link-element-to-slot macro)
(link-element-to-place macro)
(link-slot-to-form-element macro)
(link-slot-to-element macro)
(link-form-element-to-object macro)
(link-element-to-object macro))
(link-slot-to-place macro))
(defsection @clog-panels (:title "CLOG Panels")
"CLOG-Panel - CLOG Panels"

7
tutorial/29-tutorial.lisp
View file

@ -23,7 +23,8 @@
(t1 (create-div body :content "[counter]"))
(i3 (create-form-element body :text
:label (create-label body :content "Change my-count:"))))
;; We set up direct relationships between lisp obj and clog objects
(declare (ignore tmp))
;; We set up direct relationships between lisp objects and clog objects
;; any change to i1 will change my-slot
(link-form-element-to-slot i1 lisp-obj my-slot)
;; any change to my-slot will change i1 after transforming
@ -34,8 +35,8 @@
(link-slot-to-element lisp-obj my-count t1)
;; any change to i3 will change my-count
;; and i3's value will be transformed to an integer
(link-form-element-to-object
i3 (my-count lisp-obj) :transform #'parse-integer)
(link-form-element-to-slot i3 lisp-obj my-count
:transform #'parse-integer)
;; This change of my-slot will immediately change in the web page
(setf (my-slot lisp-obj) "First Value")
(set-on-click b1