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 (defun get-fkey-data (instance slot-name)
  46   "ugly workaround b/c UCW does not like M-V-B"
  47   (multiple-value-bind (finstance foreign-slot-name)
  48       (meta-model:explode-foreign-key instance slot-name)
  49     (cons finstance foreign-slot-name)))
  50
  51 (defaction search-records ((slot mewa-relation-slot-presentation) instance)
  52   (let* ((d (get-fkey-data instance (slot-name slot)))
  53          (finstance (car d))
  54          (foreign-slot-name (cdr d))
  55          (new-instance
  56     (call-component
  57      (parent slot)
  58      (make-instance 'mewa::mewa-presentation-search
  59                     :search-presentation
  60                     (mewa:make-presentation finstance
  61                                             :type :search-presentation)
  62                     :list-presentation
  63                     (mewa:make-presentation finstance
  64                                             :type :listing)))))
  65     (setf (slot-value instance (slot-name slot)) (slot-value new-instance foreign-slot-name))
  66     (meta-model:sync-instance instance)
  67     (clsql:update-objects-joins (list instance))))
  68
  69 (defmethod present-relation ((slot mewa-relation-slot-presentation) instance)
  70  ;;;;(<:as-html (slot-name slot) "=> " (foreign-instance slot) " from " instance )
  71   (let* ((i (foreign-instance slot))
  72          (pres (mewa::make-presentation
  73                 i
  74                 :type :one-line
  75                 :initargs (list
  76                            :global-properties
  77                            (list :editablep nil :linkedp nil)))))
  78       (when (ucw::parent slot) (setf (component.place pres) (component.place (ucw::parent slot))))
  79       (flet ((render () (when i (<ucw:render-component :component pres))))
  80       (cond
  81         ((editablep slot)
  82          (render)
  83          (<ucw:a :action (search-records slot instance) (<:as-html " (search)"))
  84          (<ucw:a :action (create-record slot i) (<:as-html " (new)")))
  85         ((linkedp slot)
  86          (<ucw:a :action (view-instance slot i)
  87                  (render)))
  88         (t
  89          (render))))))
  90
  91
  92
  93 (defmethod present-slot ((slot mewa-relation-slot-presentation) instance)
  94   (present-relation slot instance))
  95
  96 (defslot-presentation foreign-key-slot-presentation (mewa-relation-slot-presentation)
  97   ()
  98   (:type-name foreign-key)
  99   (:default-initargs))
 100
 101 (defaction view-instance ((self component) instance &rest initargs)
 102   (call-component (parent self) (apply #'mewa:make-presentation instance initargs)))
 103
 104 (defmethod  present-slot :before ((slot foreign-key-slot-presentation) instance)
 105   (setf (foreign-instance slot) (meta-model:explode-foreign-key instance (slot-name slot))))
 106
 107 ;;;; HAS MANY
 108 (defslot-presentation has-many-slot-presentation (mewa-relation-slot-presentation)
 109   ()
 110   (:type-name has-many))
 111
 112 (defmethod present-slot ((slot has-many-slot-presentation) instance)
 113   (let ((i (get-foreign-instances slot instance))
 114         (linkedp (linkedp slot)))
 115   (<:ul
 116    (dolist (s i)
 117      (let ((s s))
 118      (setf (foreign-instance slot) s)
 119      (<ucw:a :action (view-instance slot s :initargs `(:global-properties ,(list :linkedp t :editablep nil)))
 120      (<:li   (setf (linkedp slot) nil)
 121              (present-relation slot instance))))))))
 122
 123
 124 (defmethod get-foreign-instances ((slot has-many-slot-presentation) instance)
 125   (slot-value instance (slot-name slot)))
 126
 127 (defslot-presentation has-very-many-slot-presentation (has-many-slot-presentation)
 128   ((number-to-display :accessor number-to-display :initarg :number-to-display :initform 10)
 129    (current :accessor current :initform 0)
 130    (len :accessor len )
 131    (instances :accessor instances))
 132
 133   (:type-name has-very-many))
 134
 135 (defmethod list-next ((slot has-very-many-slot-presentation))
 136   (setf (current slot) (incf (current slot) (number-to-display slot)))
 137   (when (< (len slot) (current slot))
 138     (setf (current slot) (- (number-to-display slot) (len slot)))))
 139
 140 (defmethod list-prev ((slot has-very-many-slot-presentation))
 141   (setf (current slot) (decf (current slot) (number-to-display slot)))
 142   (when  (> 0 (current slot))
 143     ;;what to do here is open to debate
 144     (setf (current slot) (- (len slot)(number-to-display slot)  ))))
 145
 146
 147 (defmethod present-slot ((slot has-very-many-slot-presentation) instance)
 148   ;;(<:as-html "isance: " instance)
 149   (<ucw:a :action (list-prev slot) (<:as-html "<<"))
 150   (let ((self (parent slot)))
 151     (<ucw:a :action (call-component self (mewa:make-presentation (car (slot-value instance (slot-name slot))) :type :listing :initargs (list :instances (instances slot))))
 152             (<:as-html  (label slot) (format nil " ~a-~a " (current slot) (+ (current slot) (number-to-display slot))))))
 153   (<ucw:a :action (list-next slot) (<:as-html ">>"))
 154   (call-next-method)
 155   (<:as-html "total :" (len slot)))
 156
 157 (defmethod get-foreign-instances :around ((slot has-very-many-slot-presentation) instance)
 158   (let ((f (call-next-method)))
 159     (setf (len slot) (length f))
 160     (setf (instances slot) f)
 161   (loop for cons on (nthcdr (current slot) f)
 162                    for i from 0 upto (number-to-display slot)
 163                    collect (car cons))))
 164
 165 (defslot-presentation has-a-slot-presentation (one-of-presentation)
 166   ((key :initarg :key :accessor key))
 167   (:type-name has-a))
 168
 169 (defmethod get-foreign-slot-value ((slot has-a-slot-presentation) (object t) (slot-name t))
 170   (slot-value object slot-name))
 171
 172 (defmethod present-slot ((slot has-a-slot-presentation) instance)
 173       (<:as-html (presentation-slot-value slot instance))
 174   (if (editablep slot)
 175       (<ucw:select :accessor (presentation-slot-value slot instance) :test #'equalp
 176         (when (allow-nil-p slot)
 177           (<ucw:option :value nil (<:as-html (none-label slot))))
 178         (dolist (option (get-foreign-instances (presentation slot) instance))
 179           (setf (instance (presentation slot)) option)
 180           (<ucw:option :value (get-foreign-slot-value slot option (key slot)) (present (presentation slot)))))
 181       (if (presentation-slot-value slot instance)
 182           (progn
 183             (setf (instance (presentation slot)) (presentation-slot-value slot instance))
 184             (present (presentation slot)))
 185           (<:as-html "--"))))