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