src/ucw.lisp

   1 (in-package :it.bese.ucw)
   2
   3
   4 (defslot-presentation clsql-wall-time-slot-presentation ()
   5        ()
   6        (:type-name clsql-sys:wall-time))
   7
   8 (defmethod presentation-slot-value ((slot clsql-wall-time-slot-presentation) instance)
   9   (let ((date (call-next-method)))
  10     (when date (multiple-value-bind (y m d) (clsql:time-ymd date)
  11       (format nil "~a/~a/~a" m d y)))))
  12
  13 (defmethod (setf presentation-slot-value) ((value string) (slot clsql-wall-time-slot-presentation) instance)
  14   (setf (presentation-slot-value slot instance) (clsql:parse-date-time (remove #\Space value))))
  15
  16 (defmethod present-slot ((slot clsql-wall-time-slot-presentation) instance)
  17   (let ((date (presentation-slot-value slot instance))
  18         (input-id (string (gensym))))
  19     (if (and date (not (editablep slot)))
  20         (<:span (<:as-html date)))
  21     (when (editablep slot)
  22       (<ucw:input :accessor (presentation-slot-value slot instance) :id input-id)
  23       (<:script :type "text/javascript"
  24                 (<:as-is (format nil "
  25       Calendar.setup({
  26         inputField     :    \"~a\",
  27         ifFormat       :    \"%m/%d/%Y\",
  28       });" input-id))))))
  29
  30 (defslot-presentation  mewa-relation-slot-presentation ()
  31   ((slot-name :accessor slot-name :initarg :slot-name)
  32    (foreign-instance :accessor foreign-instance)
  33    (linkedp :accessor linkedp :initarg :linkedp :initform t))
  34   (:type-name relation))
  35
  36 (defmethod present-relation ((slot mewa-relation-slot-presentation) instance)
  37  ;;;;(<:as-html (slot-name slot) "=> " (foreign-instance slot) " from " instance )
  38   (let* ((e (getf (mewa::global-properties (parent slot)) :editablep))
  39          (i (foreign-instance slot))
  40          (pres (mewa::make-presentation
  41                 i
  42                 :type :one-line
  43                 :initargs (list
  44                            :global-properties
  45                            (list :editablep nil :linkedp (linkedp slot))))))
  46       (when (ucw::parent slot) (setf (component.place pres) (component.place (ucw::parent slot))))
  47       (flet ((render () (when i (<ucw:render-component :component pres))))
  48       (cond
  49         ((editablep slot)
  50          (render)
  51          (<ucw:a :action (search-records slot i) (<:as-html " (search)"))
  52          (<ucw:a :action (create-record slot i) (<:as-html " (new)")))
  53         ((linkedp slot)
  54          (<ucw:a :action (view-instance slot i)
  55                  (render)))
  56         (t
  57          (render))))))
  58
  59 (defmethod present-slot ((slot mewa-relation-slot-presentation) instance)
  60   (present-relation slot instance))
  61
  62 (defslot-presentation foreign-key-slot-presentation (mewa-relation-slot-presentation)
  63   ()
  64   (:type-name foreign-key)
  65   (:default-initargs))
  66
  67 (defaction view-instance ((self component) instance &rest initargs)
  68   (call-component (parent self) (apply #'mewa:make-presentation instance initargs)))
  69
  70 (defmethod  present-slot :before ((slot foreign-key-slot-presentation) instance)
  71   (setf (foreign-instance slot) (meta-model:explode-foreign-key instance (slot-name slot))))
  72
  73 ;;;; HAS MANY
  74 (defslot-presentation has-many-slot-presentation (mewa-relation-slot-presentation)
  75   ()
  76   (:type-name has-many))
  77
  78 (defmethod present-slot ((slot has-many-slot-presentation) instance)
  79   (let ((i (get-foreign-instances slot instance))
  80         (linkedp (linkedp slot)))
  81   (<:ul
  82    (dolist (s i)
  83      (let ((s s))
  84      (setf (foreign-instance slot) s)
  85      (<ucw:a :action (view-instance slot s :initargs `(:global-properties ,(list :linkedp t :editablep nil)))
  86      (<:li   (setf (linkedp slot) nil)
  87              (present-relation slot instance))))))))
  88
  89
  90 (defmethod get-foreign-instances ((slot has-many-slot-presentation) instance)
  91   (slot-value instance (slot-name slot)))
  92
  93 (defslot-presentation has-very-many-slot-presentation (has-many-slot-presentation)
  94   ((number-to-display :accessor number-to-display :initarg :number-to-display :initform 10)
  95    (current :accessor current :initform 0)
  96    (len :accessor len )
  97    (instances :accessor instances))
  98
  99   (:type-name has-very-many))
 100
 101 (defmethod list-next ((slot has-very-many-slot-presentation))
 102   (setf (current slot) (incf (current slot) (number-to-display slot)))
 103   (when (< (len slot) (current slot))
 104     (setf (current slot) (- (number-to-display slot) (len slot)))))
 105
 106 (defmethod list-prev ((slot has-very-many-slot-presentation))
 107   (setf (current slot) (decf (current slot) (number-to-display slot)))
 108   (when  (> 0 (current slot))
 109     ;;what to do here is open to debate
 110     (setf (current slot) (- (len slot)(number-to-display slot)  ))))
 111
 112
 113 (defmethod present-slot ((slot has-very-many-slot-presentation) instance)
 114   ;;(<:as-html "isance: " instance)
 115   (<ucw:a :action (list-prev slot) (<:as-html "<<"))
 116   (let ((self (parent slot)))
 117     (<ucw:a :action (call-component self (mewa:make-presentation (car (slot-value instance (slot-name slot))) :type :listing :initargs (list :instances (instances slot))))
 118             (<:as-html  (label slot) (format nil " ~a-~a " (current slot) (+ (current slot) (number-to-display slot))))))
 119   (<ucw:a :action (list-next slot) (<:as-html ">>"))
 120   (call-next-method)
 121   (<:as-html "total :" (len slot)))
 122
 123 (defmethod get-foreign-instances :around ((slot has-very-many-slot-presentation) instance)
 124   (let ((f (call-next-method)))
 125     (setf (len slot) (length f))
 126     (setf (instances slot) f)
 127   (loop for cons on (nthcdr (current slot) f)
 128                    for i from 0 upto (number-to-display slot)
 129                    collect (car cons))))
 130
 131 (defslot-presentation has-a-slot-presentation (one-of-presentation)
 132   ((key :initarg :key :accessor key))
 133   (:type-name has-a))
 134
 135 (defmethod get-foreign-slot-value ((slot has-a-slot-presentation) (object t) (slot-name t))
 136   (slot-value object slot-name))
 137
 138 (defmethod present-slot ((slot has-a-slot-presentation) instance)
 139       (<:as-html (presentation-slot-value slot instance))
 140   (if (editablep slot)
 141       (<ucw:select :accessor (presentation-slot-value slot instance) :test #'equalp
 142         (when (allow-nil-p slot)
 143           (<ucw:option :value nil (<:as-html (none-label slot))))
 144         (dolist (option (get-foreign-instances (presentation slot) instance))
 145           (setf (instance (presentation slot)) option)
 146           (<ucw:option :value (get-foreign-slot-value slot option (key slot)) (present (presentation slot)))))
 147       (if (presentation-slot-value slot instance)
 148           (progn
 149             (setf (instance (presentation slot)) (presentation-slot-value slot instance))
 150             (present (presentation slot)))
 151           (<:as-html "--"))))