src/mewa/slot-presentations.lisp

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