| 1 | (in-package :lisp-on-lines) |
| 2 | |
| 3 | (defattribute number-attribute (base-attribute) |
| 4 | () |
| 5 | (:type-name number)) |
| 6 | |
| 7 | ;;;; INTEGER |
| 8 | (defattribute integer-attribute (number-attribute) |
| 9 | () |
| 10 | (:type-name integer)) |
| 11 | |
| 12 | (defattribute integer-attribute (number-attribute integer-field) |
| 13 | () |
| 14 | (:in-layer editor) |
| 15 | (:type-name integer)) |
| 16 | |
| 17 | |
| 18 | (define-layered-method (setf attribute-value) ((value string) object (attribute integer-attribute)) |
| 19 | (let ((*read-eval* nil)) |
| 20 | (unless (string= "" value) |
| 21 | (let ((value (read-from-string value))) |
| 22 | (when (numberp value) |
| 23 | (setf (attribute-value object attribute) value)))))) |
| 24 | |
| 25 | ;;;; REALS |
| 26 | |
| 27 | (defattribute real-attribute (number-attribute) |
| 28 | () |
| 29 | (:type-name real)) |
| 30 | |
| 31 | (define-layered-method (setf attribute-value) ((value string) object (attribute real-attribute)) |
| 32 | (let ((*read-eval* nil)) |
| 33 | (unless (string= "" value) |
| 34 | (let ((value (read-from-string value))) |
| 35 | (when (numberp value) |
| 36 | (setf (attribute-value object attribute) value)))))) |
| 37 | |
| 38 | |
| 39 | ;;;; Currency |
| 40 | (defattribute currency-attribute (real-attribute) |
| 41 | () |
| 42 | (:type-name currency)) |
| 43 | |
| 44 | (defdisplay |
| 45 | ((currency currency-attribute) object) |
| 46 | (<:as-html "$") |
| 47 | (call-next-method)) |
| 48 | |
| 49 | (defdisplay :in-layer editor |
| 50 | ((currency currency-attribute) object) |
| 51 | (<:as-html "$") |
| 52 | (<:input |
| 53 | :type "text" |
| 54 | :id (id currency) |
| 55 | :name (callback currency) |
| 56 | :value (format nil "~$" (or (attribute-value object currency) "")))) |