+++ /dev/null
-(in-package :lol)
-
-(defclass form-element (widget-component)
- ((client-value :accessor client-value :initform ""
- :initarg :client-value
- :documentation "Whetever the client's browse sent for this form element."
- :backtrack t)
- (lisp-value :accessor lisp-value :initform +uninitialized+
- :initarg :lisp-value
- :documentation "The current lisp object in this form element."
- :backtrack t))
- (:metaclass standard-component-class)
- (:documentation "A single value in a form.
-
-A form-element is, simply put, a wrapper for a value in an html
-form."))
-
-;;;; Expiry date picker
-
-(defslot-presentation date-slot-presentation (clsql-wall-time-slot-presentation)
- ((date-field :component (my-date-field :year-min 2005 :year-max 2015)
- :accessor date-field))
- (:type-name date))
-
-(defmethod update-value ((slot date-slot-presentation))
- (multiple-value-bind (year month day)
- (time-ymd (presentation-slot-value slot (instance (ucw::parent slot))))
- (multiple-value-bind (new-year new-month new-day)
- (time-ymd)
- (if (remove nil (map 'list #'(lambda (old new)
- (unless (equal (car old) (car new))
- t))
- (list year month day)
- (list new-year new-month new-day)))
- (setf (presentation-slot-value slot (instance (ucw::parent slot)))
- (make-time t))))))
-
-(defmethod present-slot ((slot date-slot-presentation) instance)
- (let ((date (slot-value instance (slot-name slot))))
- ;; Default values
- (when (and (not date) (default-to-now-p slot))
- (setf date (clsql:get-time)
- (presentation-slot-value slot instance) date))
- ;;simple viewer
- (if (and date (not (editablep slot)))
- (<:as-html date))
- ;; editor
- (when (editablep slot)
- (with-slots ((m month) (y year))
- (date-field slot)
-
- (multiple-value-bind (year month) (time-ymd date)
- (setf (lisp-value m) month
- (lisp-value y) year)
- (<ucw:render-component :component (date-field slot)))))))
-
-
-
-
-(defcomponent %integer-range-field (integer-range-field)
- ())
-
-(defmethod (setf lisp-value) :after (value (self %integer-range-field))
- ())
-(defclass date-field (form-element)
- ((day :component (integer-range-field :min-value 1 :max-value 31))
- (month :component (integer-range-field :min-value 1 :max-value 12))
- (year :component integer-range-field))
- (:metaclass standard-component-class))
-
-(defmethod shared-initialize :after ((field date-field) slot-names
- &key (year-min 1960) (year-max 2010))
- (declare (ignore slot-names))
- (setf (min-value (slot-value field 'year)) year-min
- (max-value (slot-value field 'year)) year-max
- (max-value (slot-value field 'day)) 31
- (max-value (slot-value field 'month)) 12))
-
-(defmethod read-client-value ((date date-field))
- (with-slots (year month day)
- date
- (read-client-value year)
- (read-client-value month)
- (read-client-value day)
- (setf (lisp-value date) (encode-universal-time 0 0 0
- (lisp-value day)
- (lisp-value month)
- (lisp-value year)))))
-
-
-(defclass %date-field (date-field)
- ((day :component (%integer-range-field :min-value 1 :max-value 31))
- (month :component (%integer-range-field :min-value 1 :max-value 12))
- (year :component (%integer-range-field :min-value 2006 :max-value 2015) ))
- (:metaclass standard-component-class))
-
-(defmethod shared-initialize :after ((field %date-field) slot-names
- &key (year-min 1960) (year-max 2010))
- (declare (ignore slot-names year-min year-max))
- (mapcar #'(lambda (x) (setf (slot-value (slot-value field x) 'ucw::parent) field))
- '(year month day)))
-
-(defclass my-date-field (%date-field)
- ()
- (:metaclass standard-component-class))
-
-(defmethod present ((date my-date-field))
- (with-slots (year month)
- date
- (<ucw:render-component :component month)
- "/"
- (<ucw:render-component :component year)))
-
-
-
-(defconstant +uninitialized+ '+uninitialized+
- "The value used in UCW form elements to specify that there is no value.
-
-This obviously implies that you can't have a form element whose
-real value is +uninitialized+, since +uninitialized+ is a ucw
-internal symbol this shouldn't be a problem.")
-
-
-
-(defgeneric read-client-value (element)
- (:method ((element form-element))
- (setf (lisp-value element) (client-value element))))
-
-(defclass form-component (widget-component)
- ()
- (:metaclass standard-component-class))
-
-;; remeber that actions are just methods
-(defgeneric/cc submit (form))
-
-(defaction submit :before ((f form-component))
- (iterate
- (with form-element-class = (find-class 'form-element))
- (for slot in (mopp:class-slots (class-of f)))
- (for slot-name = (mopp:slot-definition-name slot))
- (when (and (slot-boundp f slot-name)
- (subtypep (class-of (slot-value f slot-name)) form-element-class))
- (read-client-value (slot-value f slot-name)))))
-
-(defaction submit ((f form-component)) t)
-
-
-(defclass select-field (form-element)
- ((options :accessor options :initform '() :initarg :options)
- (key :accessor key :initform #'identity :initarg :key)
- (test :accessor test :initform #'eql :initarg :test)
- (option-map :accessor option-map :initform (make-array 10 :adjustable t :fill-pointer 0))
- (option-writer :accessor option-writer :initform #'princ-to-string))
- (:metaclass standard-component-class))
-
-(defmethod render-option ((select select-field) (object t))
- (<:as-html (funcall (option-writer select) object)))
-
-(defmethod render ( (select select-field))
- (setf (fill-pointer (option-map select)) 0)
- (<:select :name (make-new-callback (context.current-frame *context*)
- (lambda (v) (setf (client-value select) v)))
- (iterate
- (for o in (options select))
- (for index upfrom 0)
- (vector-push-extend o (option-map select))
- (<:option :value index
- :selected (funcall (test select)
- (funcall (key select) o)
- (funcall (key select) (lisp-value select)))
- (render-option res select o)))))
-
-(defmethod read-client-value ((select select-field))
- (with-slots (lisp-value option-map client-value)
- select
- (setf lisp-value (aref option-map (parse-integer client-value)))))
-
-;;;; Numbers from text inputs
-
-(defclass number-field (form-element)
- ((min-value :accessor min-value :initform nil :initarg :min-value)
- (max-value :accessor max-value :initform nil :initarg :max-value)
- (size :accessor size :initarg :size :initform 0)
- (maxlength :accessor maxlength :initarg :maxlength :initform 20))
- (:metaclass standard-component-class))
-
-(defmethod validate-form-element ((number number-field))
- (with-slots (min-value max-value lisp-value)
- number
- (if (eql +uninitialized+ lisp-value)
- nil
- (if (numberp lisp-value)
- (cond
- ((and min-value max-value)
- (< min-value lisp-value max-value))
- (min-value (< min-value lisp-value))
- (max-value (< lisp-value max-value))
- (t lisp-value))
- nil))))
-
-(defmethod read-client-value :around ((number number-field))
- (unless (or (null (client-value number))
- (string= "" (client-value number)))
- (ignore-errors ; returns NIL in case of SIMPLE-PARSE-ERROR
- (call-next-method))))
-
-(defmethod render ( (n number-field))
- (<ucw:input :type "text" :accessor (client-value n)
- :size (size n)
- :value (if (eql +uninitialized+ (lisp-value n))
- ""
- (lisp-value n))
- :maxlength (maxlength n)))
-
-(defclass decimal-field (number-field)
- ((precision :accessor precision :initarg :precision :initform nil
- :documentation "Number of significant digits."))
- (:metaclass standard-component-class))
-
-(defmethod read-client-value ((decimal number-field))
- (setf (lisp-value decimal) (parse-float (client-value decimal))))
-
-(defclass integer-field (number-field)
- ()
- (:metaclass standard-component-class))
-
-(defmethod read-client-value ((integer integer-field))
- (setf (lisp-value integer) (parse-integer (client-value integer))))
-
-(defclass integer-range-field (integer-field)
- ()
- (:metaclass standard-component-class)
- (:default-initargs :min-value 1 :max-value 5))
-
-(defmethod shared-initialize :after ((field integer-range-field) slot-names
- &rest initargs)
- (declare (ignore slot-names initargs))
- (setf (lisp-value field) (min-value field)))
-
-(defmethod render ( (range integer-range-field))
- (<:select :name (ucw::make-new-callback
- (lambda (v) (setf (client-value range) v)))
- (iterate
- (for value from (min-value range) to (max-value range))
- (<:option :value value :selected (= value (lisp-value range))
- (<:as-html value)))))
HCoop / clinton / lisp-on-lines.git / blobdiff