src/attributes/standard-attributes.lisp

   1 (in-package :lisp-on-lines)
   2
   3 ;;;; A few layers related to attributes
   4 (deflayer omit-nil-attributes)
   5
   6 (defdisplay :in-layer omit-nil-attributes
   7             :around ((attribute standard-attribute) object)
   8  (when (attribute-value object attribute)
   9    (call-next-method)))
  10
  11 (deflayer show-attribute-labels)
  12
  13 (defdisplay
  14     :in-layer show-attribute-labels
  15     :around ((attribute standard-attribute) object)
  16   (<:span
  17    :class "lol-label"
  18    (<:as-html (or (label attribute) (attribute.name attribute)) " "))
  19   (<:span
  20    :class "lol-attribute"
  21    (call-next-method)))
  22
  23 (deflayer use-pretty-labels)
  24
  25 (define-layered-method label
  26    :in-layer use-pretty-labels
  27    :around (standard-attribute)
  28  (let ((label (call-next-method)))
  29    (when label
  30      (string-capitalize
  31       (substitute #\Space #\- label)))))
  32
  33 (deflayer inspect-attributes)
  34
  35 (defdisplay :in-layer inspect-attributes
  36             :around ((attribute standard-attribute) object)
  37  (call-next-method)
  38   (<ucw:a :action (ucw::call-inspector self attribute)
  39           :title
  40           (strcat "Inspect "
  41                          (attribute.name attribute) ":"
  42                          (description.type attribute) ":"
  43                          (type-of attribute))
  44           (<:as-html "(i)")))
  45
  46 ;;;; Functional attributes
  47 (defattribute display-attribute ()
  48   ((display-arguments
  49     :accessor display-arguments
  50     :initarg :display
  51     :special t
  52     :initform nil))
  53   (:type-name display)
  54   (:documentation "Apply the display function to this object"))
  55
  56 (defdisplay ((attribute display-attribute) object)
  57   (apply #'display self (attribute-value object attribute)
  58          (display-arguments attribute)))
  59
  60 (defattribute function-attribute ()
  61   ((function :accessor function-of
  62              :initarg :function
  63              :initform #'funcall
  64              :special t))
  65   (:type-name function)
  66   (:documentation ""))
  67
  68 (defdisplay ((function function-attribute) object)
  69   (funcall (function-of function)
  70            (attribute-value object function)))
  71
  72
  73 ;;;; Attribute Grouping
  74 (defattribute attribute-group ()
  75   ()
  76   (:default-properties
  77    :group nil)
  78   (:type-name group))
  79
  80 (defdisplay ((group attribute-group) object)
  81   (apply #'display self object
  82          :attributes (attributes group)
  83          (group group)))
  84
  85 ;;;; * Base Types
  86
  87 (defattribute base-attribute ()
  88   ()
  89   (:default-properties
  90       :default-value ""))
  91
  92 (defdisplay ((base base-attribute) object)
  93  (<:as-html (attribute-value object base)))
  94
  95 (defattribute base-attribute (ucw::string-field)
  96   ()
  97   (:in-layer editor)
  98   (:default-properties
  99     :callback nil
 100     :default-value nil
 101     :default-value-predicate #'null))
 102
 103 (define-layered-function display-value (attribute value)
 104   (:method (attribute value)
 105     (if (funcall (default-value-predicate attribute) value)
 106         (default-value attribute)
 107         value)))
 108
 109 (defdisplay
 110   :in-layer editor ((field base-attribute) object)
 111   (LET ((value (attribute-value (object field) field)))
 112     (<:input
 113      :NAME
 114      (callback field)
 115      :VALUE (escape-as-html (strcat (display-value field value)))
 116      :TYPE
 117      "text"
 118      :ID
 119      (DOM-ID FIELD)
 120      :SIZE
 121      (ucw::INPUT-SIZE FIELD))))
 122
 123 (defdisplay
 124     :in-layer editor :around ((string base-attribute) object)
 125     (dletf (((callback string)
 126              (or (callback string)
 127                  (ucw::make-new-callback
 128                   #'(lambda (val)
 129                       (setf (attribute-value object string) val)))))
 130             ((object string) object))
 131       (call-next-method)))
 132
 133 ;;;; Strings
 134
 135 (defattribute string-attribute (base-attribute)
 136   ()
 137   (:type-name string)
 138   (:default-properties
 139       :escape-html-p t
 140     :size nil
 141     :max-length nil
 142     :default-value ""))
 143
 144 (defdisplay :in-layer omit-nil-attributes
 145             :around ((attribute string-attribute) object)
 146  (when (< 0 (length  (attribute-value object attribute)))
 147    (call-next-method)))
 148
 149 ;;;; default
 150 (defdisplay :in-layer viewer
 151             ((string string-attribute) object)
 152   (if (escape-html-p string)
 153       (<:as-html (attribute-value object string))
 154       (<:as-is (attribute-value object string))))
 155
 156
 157 ;;;; editor
 158 (defattribute string-attribute (base-attribute)
 159   ()
 160   (:in-layer editor)
 161   (:default-properties
 162       :callback nil))
 163
 164
 165 (defattribute string-search-attribute (string-attribute)
 166   ()
 167   (:default-properties
 168       ;; the func that find search results
 169
 170       :search-action #'(lambda ()
 171                          (with-call/cc
 172                            nil))
 173     ;; when chosing from a list of results, this function selects one.
 174     :select-function (constantly t))
 175   (:type-name string-search))
 176
 177 (defdisplay
 178    :in-layer editor :after ((search string-search-attribute) object)
 179    (<:input
 180     :TYPE "submit"
 181     :VALUE "search"
 182     :ONCLICK
 183     (JS:JS-INLINE*
 184      `(PROGN
 185        (IT.BESE.UCW::SET-ACTION-PARAMETER
 186         ,(IT.BESE.UCW::MAKE-NEW-ACTION
 187           (IT.BESE.UCW::CONTEXT.CURRENT-FRAME *CONTEXT*)
 188           (search-action search)))
 189        (RETURN T)))))
 190
 191 ;;;; textarea
 192
 193 (defattribute text-attribute (string-attribute)
 194       ()
 195       (:type-name text))
 196
 197 (defdisplay :in-layer editor ((string text-attribute) object)
 198  (<:textarea
 199   :id (dom-id string)
 200   :name (callback string)
 201   (or (attribute-value object string) "")))
 202
 203
 204
 205 ;;;; WALL-TIME
 206
 207 (defattribute wall-time-attribute (string-attribute)
 208   ()
 209   (:type-name clsql-sys:wall-time))
 210
 211 (define-layered-method attribute-value (object (attribute wall-time-attribute))
 212  (let ((date (call-next-method)))
 213    (when date (multiple-value-bind (y m d) (clsql:time-ymd date)
 214                 (format nil "~a/~a/~a" m d y)))))
 215
 216 (defdisplay
 217   ((time wall-time-attribute) object)
 218   (<:as-html (attribute-value object time)))
 219
 220
 221
 222 (defattribute image ()
 223   ()
 224   (:default-properties
 225       :css-class "lol-image"
 226     :prefix "images/"))
 227
 228 (defdisplay ((buttons (eql 'image-editor-buttons)) object)
 229   (<ucw:a :action (ok component object)
 230           (<:as-html "select this image")))
 231
 232 (defdisplay ((image image) object)
 233   (<:img
 234    :class (or (css-class image) "lol-image")
 235    :src (arnesi:strcat
 236          (or (prefix image) "images/")
 237          (escape-as-uri
 238           (attribute-value object image)))))
 239
 240 (defdisplay
 241     :in-layer editor ((image image)  object)
 242
 243     (<:div
 244      :class "lol-image-thumbnails"
 245      (<:as-html "imagie")))
 246
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 249
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 251