From 8e6e6b5651e88009c62f5502b4fabdf2919e0b4f Mon Sep 17 00:00:00 2001
From: Drew Crampsie <drewc@tech.coop>
Date: Wed, 20 Jul 2005 12:34:32 -0700
Subject: [PATCH 1/1] lots of great changes to update along with maxwell 0.8

darcs-hash:20050720193432-5417e-10b8c8256a2f4e14750db7583fd4b4f82f9a7bb5.gz
---
 src/mewa/mewa.lisp               | 30 +++++++++++++++++++-----------
 src/mewa/presentations.lisp      | 11 +++++++++--
 src/mewa/slot-presentations.lisp |  5 +++++
 src/packages.lisp                |  6 +++++-
 4 files changed, 38 insertions(+), 14 deletions(-)

diff --git a/src/mewa/mewa.lisp b/src/mewa/mewa.lisp
index 35faa16..f8dad21 100644
--- a/src/mewa/mewa.lisp
+++ b/src/mewa/mewa.lisp
@@ -51,7 +51,7 @@
   "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*)) 
@@ -97,7 +97,6 @@ attributes is an alist keyed on the attribute nreeame."
   (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
@@ -109,9 +108,6 @@ attributes is an alist keyed on the attribute nreeame."
     (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) 
@@ -131,6 +127,7 @@ attributes is an alist keyed on the attribute nreeame."
 		  (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)))
@@ -143,7 +140,6 @@ attributes is an alist keyed on the attribute nreeame."
 
 
 
-
 (defcomponent mewa ()
   ((attributes
     :initarg :attributes
@@ -166,7 +162,7 @@ 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)))
 
 
@@ -284,6 +280,14 @@ attributes is an alist keyed on the attribute nreeame."
     i))
 
 
+(defmethod initialize-slots-place ((place ucw::place) (mewa mewa))
+  (setf (slots mewa) (mapcar #'(lambda (x) 
+			       (prog1 x 
+				 (setf (component.place x) place)))
+                            (slots mewa))))
+  
+  
+  
 
 
 
@@ -307,22 +311,26 @@ attributes is an alist keyed on the attribute nreeame."
   (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))
+
 (defaction cancel-save-instance ((self mewa))
   (cond  
-    ((slot-value (instance self) 'clsql-sys::view-database)
+    ((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 ensure-instance-sync ((self mewa))
   (when (modifiedp self)
-    (let ((message (format nil "Record has been modified, Do you wish to save the changes?<br/> ~a" (print (modifications self)))))
+    (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)
diff --git a/src/mewa/presentations.lisp b/src/mewa/presentations.lisp
index 230ead5..53942b1 100644
--- a/src/mewa/presentations.lisp
+++ b/src/mewa/presentations.lisp
@@ -39,7 +39,9 @@
   ((ucw::instances :accessor instances :initarg :instances :initform nil)
    (instance :accessor instance)
    (select-label :accessor select-label :initform "select" :initarg :select-label)
-   (selectablep :accessor selectablep :initform t :initarg :selectablep)))
+   (selectablep :accessor selectablep :initform t :initarg :selectablep)
+   (ucw::deleteablep :accessor deletablep :initarg :deletablep :initform nil)
+   (viewablep :accessor viewablep :initarg :viewablep :initform nil)))
 
 (defaction select-from-listing ((listing mewa-list-presentation) object index)
   (answer object))
@@ -62,7 +64,12 @@
 	(let ((index index))
 	  (<ucw:input :type "submit"
 		      :action (select-from-listing listing object index)
-		      :value (select-label listing)))))
+		      :value (select-label listing))))
+      (when (viewablep listing)
+	(let ((index index))
+	  (<ucw:input :type "submit"
+		      :action (call-component listing  (make-presentation object))
+		      :value "view"))))
     (dolist (slot (slots listing))
       (<:td :class "data-cell" (present-slot slot object)))
     (<:td :class "index-number-cell")
diff --git a/src/mewa/slot-presentations.lisp b/src/mewa/slot-presentations.lisp
index f501b71..db5de2e 100644
--- a/src/mewa/slot-presentations.lisp
+++ b/src/mewa/slot-presentations.lisp
@@ -170,7 +170,12 @@ When T, only the default value for primary keys and the joins are updated."))
 
 
 (defaction add-to-has-many ((slot has-many-slot-presentation) instance)
+  ;; if the instance is not stored we must make sure to mark it stored now!
+  (unless (mewa::instance-is-stored-p instance)
+    (setf (mewa::modifiedp (parent self)) t))
+  ;; sync up the instance
   (mewa:ensure-instance-sync (parent slot))
+
   (multiple-value-bindf (class home foreign) 
       (meta-model:explode-has-many instance (slot-name slot))
     (let ((new (make-instance class)))
diff --git a/src/packages.lisp b/src/packages.lisp
index a3d323b..81c1223 100644
--- a/src/packages.lisp
+++ b/src/packages.lisp
@@ -8,6 +8,7 @@
    :def-meta-model
    :def-base-class
    :%def-base-class
+   
    :def-view-class/table
    :def-view-class/meta
    :view-class-metadata
@@ -75,8 +76,10 @@
 
 (defpackage :lisp-on-lines
   (:use :mewa :meta-model :common-lisp :it.bese.ucw)
+  (:nicknames :lol)
   (:export 
    ;;;; Mewa Exports
+   :mewa ;the superclass of all mewa-presentations
    :make-presentation
 
    ;;attributes
@@ -95,4 +98,5 @@
    ;;;; Meta Model Exports))
    :def-view-class/table
    :def-view-class/meta
-   :list-slot-types))
\ No newline at end of file
+   :list-slot-types
+   ))
\ No newline at end of file
-- 
2.20.1