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guard other variables from the effect of setf #4

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guard other variables from the effect of setf #4

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15 changes: 8 additions & 7 deletions widget-mvc.el
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Original file line number Diff line number Diff line change
Expand Up @@ -116,12 +116,13 @@ This function kills the old buffer if it exists."
(defstruct wmvc:context lang template model validations widget-map action-map attributes)

(defun wmvc:context-attr-set (context name value)
(let ((attrs (wmvc:context-attributes context)))
(cond
((assq name attrs)
(let ((pair (assq name attrs)))
(setf (cdr pair) value)))
(t (setq attrs (cons (cons name value) attrs))))
(let ((attrs (loop for (k . v) in (wmvc:context-attributes context)
if (eq k name)
collect (cons k value)
else
collect (cons k v))))
(when (not (assq name attrs))
(setq attrs (cons (cons name value) attrs)))
(setf (wmvc:context-attributes context) attrs)))

(defun wmvc:context-attr-get (context name)
Expand Down Expand Up @@ -295,7 +296,7 @@ This function kills the old buffer if it exists."

(defun wmvc:bind-from-widgets (context)
(loop with widget-map = (wmvc:context-widget-map context)
with model = (wmvc:context-model context)
with model = (copy-alist (wmvc:context-model context))
for (name . widget) in widget-map
for pair = (assq name model)
if pair
Expand Down