X-Git-Url: https://git.hcoop.net/clinton/lisp-on-lines.git/blobdiff_plain/7129498f766e835230452e4d3e51f8235667646f..38a016c7ea89d37ea32cfeb8d1e30033c9e3d614:/src/mewa/mewa.lisp diff --git a/src/mewa/mewa.lisp b/src/mewa/mewa.lisp index 0164802..af4ecbb 100644 --- a/src/mewa/mewa.lisp +++ b/src/mewa/mewa.lisp @@ -3,7 +3,12 @@ (defparameter *default-type* :ucw) ;;; maps meta-model slot-types to slot-presentation -(defparameter *slot-type-map* '(number ucw:currency)) +(defparameter *slot-type-map* + '(boolean mewa-boolean + string mewa-string + number mewa-currency + integer mewa-integer + currency mewa-currency)) ;;; an alist of model-class-name . attributes ;;; should really be a hash-table. @@ -27,7 +32,7 @@ (mapcar #'(lambda (x) (gen-pslot (cadr x) (string (car x)) (car x))) - (list-slot-types instance))) + (meta-model:list-slot-types instance))) (defun gen-pslot (type label slot-name) @@ -44,7 +49,7 @@ "return an exisiting class attribute map or create one. A map is a cons of class-name . attributes. -attributes is an alist keyed on the attribute nreeame." +attributes is an alist keyed on the attribute name." (or (assoc class-name *attribute-map*) (progn (setf *attribute-map* (acons class-name (list (list)) *attribute-map*)) @@ -58,6 +63,9 @@ attributes is an alist keyed on the attribute nreeame." (defmethod find-class-attributes ((model symbol)) (find-or-create-attributes model)) +(defmethod clear-class-attributes ((model t)) + (setf (cdr (find-class-attributes model)) nil)) + (defmethod add-attribute ((model t) name def) (let ((map (find-class-attributes model))) (setf (cdr map) (acons name def (cdr map))))) @@ -83,21 +91,42 @@ attributes is an alist keyed on the attribute nreeame." (cddr (find-attribute model name)))) definition))) +(defmethod perform-set-attributes ((model t) definitions) + (dolist (def definitions) + (funcall #'set-attribute model (first def) (rest def)))) + +(defmethod set-attribute-properties ((model t) attribute properties) + (let ((a (find-attribute model attribute))) + (if a + (setf (cddr a) (plist-nunion properties (cddr a))) + (error "Attribute ~A does not exist" attribute) ))) + +(defmethod perform-set-attribute-properties ((model t) definitions) + (dolist (def definitions) + (funcall #'set-attribute-properties model (car def) (cdr def)))) + (defmethod default-attributes ((model t)) + "return the default attributes for a given model using the meta-model's meta-data" (append (mapcar #'(lambda (s) (cons (car s) (gen-pslot - (if (meta-model:foreign-key-p model - 'ucw::foreign-key - (car s)) - (cadr s)) - (string (car s)) (car s)))) - (meta-model:list-slot-types model)) - (mapcar #'(lambda (s) (cons s (append (gen-pslot 'ucw::has-many (string s) s) `(:presentation (make-presentation ,model :type :one-line))))) + (if (meta-model:foreign-key-p model (car s)) + 'foreign-key + (cadr s)) + (string (car s)) (car s)))) + (meta-model:list-slot-types model)) + (mapcar #'(lambda (s) + (cons s (append (gen-pslot 'has-many (string s) s) + `(:presentation + (make-presentation + ,model + :type :one-line))))) (meta-model:list-has-many model)))) (defmethod set-default-attributes ((model t)) + "Set the default attributes for MODEL" + (clear-class-attributes model) (mapcar #'(lambda (x) (setf (find-attribute model (car x)) (cdr x))) (default-attributes model))) @@ -109,9 +138,9 @@ attributes is an alist keyed on the attribute nreeame." - (defcomponent mewa () - ((attributes + ((instance :accessor instance :initarg :instance) + (attributes :initarg :attributes :accessor attributes :initform nil) @@ -119,6 +148,9 @@ attributes is an alist keyed on the attribute nreeame." :accessor attributes-getter :initform #'get-attributes :initarg :attributes-getter) + (attribute-slot-map + :accessor attribute-slot-map + :initform nil) (global-properties :initarg :global-properties :accessor global-properties @@ -132,7 +164,7 @@ attributes is an alist keyed on the attribute nreeame." :accessor use-instance-class-p :initform t) (initializedp :initform nil) - (modifiedp :accessor modifiedp :initform nil) + (modifiedp :accessor modifiedp :initform nil :initarg :modifiedp) (modifications :accessor modifications :initform nil))) @@ -148,7 +180,6 @@ attributes is an alist keyed on the attribute nreeame." (meta-model:list-has-many (instance self))) nil)) - (defmethod find-instance-classes ((self mewa)) (mapcar #'class-name (it.bese.arnesi.mopp:compute-class-precedence-list (class-of (instance self))))) @@ -202,96 +233,118 @@ attributes is an alist keyed on the attribute nreeame." (attributes self))) all-attributes)))) +(defmethod find-slot-presentation-for-attribute ((self mewa) attribute) + (let ((class-name + (or (gethash (if (consp (second attribute)) + (car (second attribute)) + (second attribute)) + *presentation-slot-type-mapping*) + (error "Can't find slot type for ~A in ~A but ~A" attribute *presentation-slot-type-mapping* (gethash 'mewa:has-very-many *presentation-slot-type-mapping*))))) + + (cons (first attribute) (apply #'make-instance + class-name + (append (cddr attribute) (list :parent self :size 30)))))) + (defmethod find-slot-presentations ((self mewa)) - (mapcar #'(lambda (s) - (let ((class-name (or (gethash (second s) ucw::*slot-type-mapping*) 'mewa-object-presentation))) - (apply #'make-instance - class-name - (append (cddr s) (list :parent self))))) + (mapcar #'(lambda (a) (find-slot-presentation-for-attribute self a)) (find-applicable-attributes self))) - +(defmethod find-attribute-slot ((self mewa) (attribute symbol)) + (cdr (assoc attribute (attribute-slot-map self)))) (defmethod initialize-slots ((self mewa)) - (when (use-instance-class-p self) - (setf (classes self) - (append (find-instance-classes self) - (classes self)))) - (setf (slots self) (find-slot-presentations self))) + (when (instance self) + (when (use-instance-class-p self) + (setf (classes self) + (append (find-instance-classes self) + (classes self)))) + (setf (attribute-slot-map self) (find-slot-presentations self)) + (setf (slots self) (mapcar #'(lambda (x)(cdr x)) (attribute-slot-map self ))))) - (defmethod make-presentation ((object t) &key (type :viewer) (initargs nil)) (let* ((p (make-instance 'mewa-object-presentation)) - (a (progn (setf (slot-value p 'instance) object) + (a (progn (setf (slot-value p 'ucw::instance) object) (initialize-slots p) (assoc type (find-all-attributes p)))) - - (i (apply #'make-instance (second a) (plist-union initargs (cddr a))))) - (setf (slot-value i 'instance) object) - i)) - -(defmethod make-presentation ((object t) &key (type :viewer) (initargs nil)) - (let* ((p (make-instance 'mewa-object-presentation)) - (a (progn (setf (slot-value p 'instance) object) - (initialize-slots p) - (assoc type (find-all-attributes p)))) - (i (apply #'make-instance (or (second a) - ;; if we didnt find the type, - ;; use the symbol as a class. - (if (eql (symbol-package type) - (find-package 'keyword)) - (symbol-name type) - type)) - (plist-union initargs (cddr a))))) + ;; if we didnt find the type, + ;; use the symbol as a class. + (if (eql (symbol-package type) + (find-package 'keyword)) + (symbol-name type) + type)) + (plist-union initargs (cddr a))))) (setf (slot-value i 'instance) object) (initialize-slots i) (setf (slot-value i 'initializedp) t) i)) - - - -(defmethod call-component :before ((from standard-component) (to mewa)) +(defmethod initialize-slots-place ((place ucw::place) (mewa mewa)) + (setf (slots mewa) (mapcar #'(lambda (x) + (prog1 x + (setf (component.place x) place))) + (slots mewa)))) + +(arnesi:defmethod/cc call-component :before ((from standard-component) (to mewa)) (unless (slot-value to 'initializedp) (initialize-slots to)) (setf (slot-value to 'initializedp) t) - (setf (slots to) (mapcar #'(lambda (x) (prog2 - (setf (component.place x) (component.place from)) - x)) - (slots to)))) + (initialize-slots-place (component.place from) to) + to) + + (defmacro call-presentation (object &rest args) `(present-object ,object :presentation (make-presentation ,object ,@args))) +(defcomponent about-dialog (option-dialog) + ((body :initarg :body))) + +(defmethod render-on ((res response) (self about-dialog)) + (call-next-method) + (render-on res (slot-value self 'body))) + + +(defmethod instance-is-stored-p ((instance clsql:standard-db-object)) + (slot-value instance 'clsql-sys::view-database)) + +(defmethod instance-is-stored-p ((mewa mewa)) + (instance-is-stored-p (instance mewa))) (defaction cancel-save-instance ((self mewa)) - (answer nil)) + (cond + ((instance-is-stored-p (instance self)) + (meta-model::update-instance-from-records (instance self)) + (answer self)) + (t (answer nil)))) (defaction save-instance ((self mewa)) (meta-model:sync-instance (instance self)) - (setf (modifiedp self) nil) - (answer self)) + (setf (modifiedp self) nil) + (answer self)) -(defaction ok ((self mewa) &optional arg) - "Returns the component if it has not been modified. if it has been, prompt user to save or cancel" - (declare (ignore arg)) +(defaction ensure-instance-sync ((self mewa)) (when (modifiedp self) - (let ((message (format nil "Record has been modified, Do you wish to save the changes?
~a" (print (modifications self))))) - (case (call 'option-dialog + (let ((message (format nil "Record has been modified, Do you wish to save the changes?"))) + (case (call 'about-dialog + :body (make-presentation (instance self) + :type :viewer) :message message :options '((:save . "Save changes to Database") (:cancel . "Cancel all changes"))) (:cancel (cancel-save-instance self)) (:save - (save-instance self))))) - (answer self)) - + (save-instance self)))))) +(defaction ok ((self mewa) &optional arg) + "Returns the component if it has not been modified. if it has been, prompt user to save or cancel" + ;(declare (ignore arg)) + (meta-model::sync-instance (instance self)) + (answer (instance self))) (defmethod (setf presentation-slot-value) :around (value (slot slot-presentation) instance) (let* ((old (prog1 @@ -302,4 +355,30 @@ attributes is an alist keyed on the attribute nreeame." (unless (equal new old ) (let ((self (ucw::parent slot))) (setf (modifiedp self) instance - (modifications self) (append (list (type-of new) (type-of old) (type-of value) slot instance ))))))) \ No newline at end of file + (modifications self) (append (list new old value slot instance) (modifications self))))))) + +;;;; * Finally set up some defaults + +(setf (find-attribute t :viewer) + '(mewa-object-presentation :global-properties (:editablep nil)) + (find-attribute t :editor) + '(mewa-object-presentation :global-properties (:editablep t)) + (find-attribute t :creator) + '(mewa-object-presentation :global-properties (:editablep t)) + (find-attribute t :one-line) + '(mewa-one-line-presentation) + (find-attribute t :listing) + '(mewa-list-presentation :global-properties (:editablep nil) :editablep t) + (find-attribute t :search-model) + '(mewa-object-presentation)) + + + + + +;; This software is Copyright (c) Drew Crampsie, 2004-2005. +;; You are granted the rights to distribute +;; and use this software as governed by the terms +;; of the Lisp Lesser GNU Public License +;; (http://opensource.franz.com/preamble.html), +;; known as the LLGPL.