src/presentations.lisp

   1 (declaim (optimize (speed 0) (space 3) (safety 0)))
   2 (in-package :lisp-on-lines)
   3
   4
   5 (defmethod render ((self mewa))
   6   (lol::present self))
   7
   8 (defaction edit-instance ((self mewa))
   9   (call-presentation (instance self) :type :editor))
  10
  11 ;;;one-line objects
  12 (defcomponent mewa-one-line-presentation (mewa lol::one-line-presentation)
  13   ()
  14   (:default-initargs
  15    :attributes-getter #'one-line-attributes-getter
  16    :global-properties '(:editablep nil)))
  17
  18 (defmethod one-line-attributes-getter ((self mewa))
  19   (or (meta-model::find-slots-of-type (instance self))
  20       (meta-model::list-keys (instance self))))
  21
  22 ;;;objects
  23 (defcomponent mewa-object-presentation (mewa lol::object-presentation)
  24   ((instance :accessor instance :initarg :instance :initform nil)))
  25
  26 (defcomponent mewa-viewer (mewa-object-presentation)
  27   ()
  28   (:default-initargs
  29    :global-properties '(:editablep nil)))
  30
  31 (defcomponent mewa-editor (mewa-object-presentation)
  32   ()
  33   (:default-initargs
  34    :global-properties '(:editablep t)))
  35
  36 (defcomponent mewa-creator (mewa-editor)
  37   ())
  38
  39 (defmethod present ((pres mewa-object-presentation))
  40   (<:table :class (css-class pres)
  41     (dolist (slot (slots pres))
  42       (<:tr :class "presentation-slot-row"
  43             (present-slot-as-row pres slot))))
  44   (render-options pres (instance pres)))
  45
  46 (defmethod present-slot-as-row ((pres mewa-object-presentation) (slot slot-presentation))
  47   (<:td :class "presentation-slot-label" (<:as-html (label slot)))
  48   (<:td :class "presentation-slot-value" (present-slot slot (instance pres))))
  49
  50
  51 (defcomponent two-column-presentation (mewa-object-presentation) ())
  52
  53 (defmethod present ((pres two-column-presentation))
  54
  55   (<:table :class (css-class pres)
  56            (loop for slot on (slots pres) by #'cddr
  57                  do
  58                  (<:tr :class "presentation-slot-row"
  59                        (<:td :class "presentation-slot-label"
  60                              (<:as-html (label (first slot))))
  61                        (<:td :class "presentation-slot-value"
  62                              (present-slot (first slot) (instance pres)))
  63                        (when (second slot)
  64                          (<:td :class "presentation-slot-label"
  65                                (<:as-html (label (second slot))))
  66                          (<:td :class "presentation-slot-value"
  67                                (present-slot (second slot) (instance pres))))))
  68            (render-options pres (instance pres))))
  69
  70
  71 ;;;lists
  72 (defcomponent mewa-list-presentation (mewa list-presentation)
  73   ((instances :accessor instances :initarg :instances :initform nil)
  74    (instance :accessor instance)
  75    (select-label :accessor select-label :initform "select" :initarg :select-label)
  76    (selectablep :accessor selectablep :initform t :initarg :selectablep)
  77    (deleteablep :accessor deletablep :initarg :deletablep :initform nil)
  78    (viewablep :accessor viewablep :initarg :viewablep :initform nil)))
  79
  80 (defaction select-from-listing ((listing mewa-list-presentation) object index)
  81   (answer object))
  82
  83 (defmethod render-list-row ((listing mewa-list-presentation) object index)
  84   (<:tr :class "item-row"
  85     (<:td :align "center" :valign "top"
  86       (when (editablep listing)
  87         (let ((object object))
  88           (<ucw:input :type "submit"
  89                       :action (edit-from-listing listing object index)
  90                       :value (edit-label listing))))
  91       (<:as-is " ")
  92       (when (deleteablep listing)
  93         (let ((index index))
  94           (<ucw:input :type "submit"
  95                       :action (delete-from-listing listing object index)
  96                       :value (delete-label listing))))
  97       (when (selectablep listing)
  98         (let ((index index))
  99           (<ucw:input :type "submit"
 100                       :action (select-from-listing listing object index)
 101                       :value (select-label listing))))
 102       (when (viewablep listing)
 103         (let ((index index))
 104           (<ucw:input :type "submit"
 105                       :action (call-component listing  (make-presentation object))
 106                       :value "view"))))
 107     (dolist (slot (slots listing))
 108       (<:td :class "data-cell" (present-slot slot object)))
 109     (<:td :class "index-number-cell")))
 110
 111 (defmethod get-all-instances ((self mewa-list-presentation))
 112   (instances self))
 113
 114
 115 ;;;; * Presentation Searches
 116
 117
 118 ;;;; ** "search all fields" criteria
 119
 120 (defgeneric search-expr (criteria instance)
 121   (:documentation "Return ready to apply criteria.
 122                    to do with What it is backend dependent."))
 123
 124 (defmacro def-search-expr (((self criteria-type)) (model-expr &body body))
 125   `(defmethod search-expr ((,self ,criteria-type) instance)
 126      (,model-expr
 127       instance
 128       (slot-name (presentation ,self))
 129       ,@body)))
 130
 131 (defmethod search-expr ((self negated-criteria) instance)
 132   (when (criteria self)
 133     (meta-model:expr-not
 134      instance
 135      (search-expr (criteria self) instance))))
 136
 137 (def-search-expr ((self string-starts-with))
 138     (meta-model:expr-starts-with (search-text self)))
 139
 140 (def-search-expr ((self string-ends-with))
 141     (meta-model:expr-ends-with (search-text self)))
 142
 143 (def-search-expr ((self string-contains))
 144     (meta-model:expr-contains (search-text self)))
 145
 146 (def-search-expr ((self number-less-than))
 147     (meta-model:expr-< (number-input self)))
 148
 149 (def-search-expr ((self number-greater-than))
 150     (meta-model:expr-> (number-input self)))
 151
 152 (def-search-expr ((self number-equal-to))
 153     (meta-model:expr-= (number-input self)))
 154
 155
 156
 157 (defcomponent mewa-presentation-search (presentation-search)
 158   ((display-results-p :accessor display-results-p :initarg :display-results-p :initform nil)
 159    (criteria-input :accessor criteria-input :initform "")
 160    (new-criteria :accessor new-criteria :initform nil)))
 161
 162 (defmethod instance ((self mewa:mewa-presentation-search))
 163   (instance (search-presentation self)))
 164
 165 (defmethod search-expr ((self mewa:mewa-presentation-search) instance)
 166   (apply #'meta-model:expr-and instance
 167          (mapcan (lambda (c) (let ((e  (search-expr c instance)))
 168                                (if (listp e) e (list e))))
 169                  (criteria self))))
 170
 171 (defmethod search-query ((self mewa:mewa-presentation-search))
 172   (search-expr self (instance self)))
 173
 174 (defmethod valid-instances ((self mewa:mewa-presentation-search))
 175   (meta-model:select-instances (instance self) (search-query self)))
 176
 177 (defmethod get-all-instances ((self mewa-presentation-search))
 178   (meta-model:select-instances (instance self)))
 179
 180 (defmethod ok ((self mewa-presentation-search) &optional arg)
 181   (declare (ignore arg))
 182   (setf (instances (list-presentation self)) (valid-instances self))
 183   (setf (display-results-p self) t))
 184
 185
 186 (defmethod set-search-input-for-criteria ((criteria criteria) (input t))
 187   (error "No search-input-for-criteria method for ~A : ~A" criteria input))
 188
 189 (defmethod set-search-input-for-criteria ((c string-criteria) input)
 190   (setf (search-text c) input))
 191
 192 (defmethod set-search-input-for-criteria ((c negated-criteria) i)
 193   nil)
 194
 195
 196 (defmethod mewa-add-criteria ((self component) (criteria criteria))
 197   (set-search-input-for-criteria criteria (criteria-input self))
 198   (add-criteria self criteria))
 199
 200 (defmethod find-default-criteria (c mewa-string-slot-presentation)
 201   'string-contains)
 202
 203 (defmethod render-criteria ((res response) (s mewa-presentation-search))
 204   (setf (criteria-input s) "")
 205   (<:ul
 206    (dolist (c (criteria s))
 207      (<:li (render-on res c)
 208            (let ((c c))
 209              (<ucw:input :action (drop-criteria s c) :type "submit" :value "eliminate"))))
 210      (<:li
 211       "Search For: "
 212       (<ucw:input :type "text" :accessor (criteria-input s))
 213       " Using : "
 214        (<ucw:select :accessor (new-criteria s)
 215          (dolist (criteria (applicable-criteria s))
 216            (<ucw:option :value criteria (<:as-html (label criteria)))))
 217        (<ucw:input :type "submit" :action (mewa-add-criteria s (new-criteria s))
 218                    :value "add"))))
 219
 220 (defmethod submit-search ((s mewa-presentation-search))
 221   (with-slots (criteria-input) s
 222
 223     (unless (or (null criteria-input)
 224                 (string-equal "" (remove #\Space criteria-input)))
 225
 226       (mewa-add-criteria s (new-criteria s)))
 227
 228     (ok s)))
 229
 230 (defmethod render-on ((res response) (self mewa-presentation-search))
 231   ;(<:as-html (search-query self))
 232   (render-criteria res self)
 233   (<ucw:input :type "submit" :value "Search" :action (submit-search self))
 234   (when (display-results-p self)
 235     (let ((listing (list-presentation self)))
 236       (setf
 237        (slot-value listing 'ucw::calling-component) (slot-value self 'ucw::calling-component)
 238        (slot-value listing 'ucw::place) (slot-value self 'ucw::place)
 239        (slot-value listing 'ucw::continuation) (slot-value self 'ucw::continuation))
 240
 241       (render-on res listing))))
 242
 243
 244 ;;;;
 245 (defcomponent dont-show-unset-slots ()())
 246
 247 (defmethod slots :around ((self dont-show-unset-slots))
 248   (remove-if-not #'(lambda (s) (let ((s (presentation-slot-value s (instance self))))
 249                                  (and s (not (equal "" s)))))
 250                  (call-next-method)))