X-Git-Url: https://git.hcoop.net/clinton/lisp-on-lines.git/blobdiff_plain/e0ae0cdefa99e9dc1b2e1938779558f1878c1864..b8c8985156e0ce7de77973d5899221116dcc3c96:/src/slot-presentations.lisp

diff --git a/src/slot-presentations.lisp b/src/slot-presentations.lisp
index 952196f..02fb818 100644
--- a/src/slot-presentations.lisp
+++ b/src/slot-presentations.lisp
@@ -1,5 +1,11 @@
-(in-package :mewa)
+;; i know this is horrible, but it works wonders.
+(declaim (optimize (speed 0) (space 3) (safety 0)))
 
+
+(in-package :lisp-on-lines)
+
+
+;;;; I dont think i'm using these anymore.
 (defun multiple-value-funcall->list (function &rest args)
   "The function to be called by m-v-bf"
 		   (multiple-value-call #'list (apply function args)))
@@ -14,23 +20,40 @@
 ;;;; ** Textarea Slot Presentation
 
 (defslot-presentation text-slot-presentation ()
-  ((rows :initarg :rows :accessor rows :initform 25)
+  ((rows :initarg :rows :accessor rows :initform 5)
    (columns :initarg :columns :accessor columns :initform 40)
-   (escape-html-p :initarg :escape-html-p :accessor escape-html-p :initform nil))
+   (escape-html-p :initarg :escape-html-p :accessor escape-html-p :initform nil)
+   (convert-newlines-p :initarg :convert-newlines-p :accessor convert-newlines-p :initform nil))
   (:type-name text))
 
 (defmethod present-slot ((slot text-slot-presentation) instance)
-  (if (editablep slot)
-      (<ucw:textarea :accessor (presentation-slot-value slot instance)
-		     :rows (rows slot)
-		     :cols (columns slot))
-      (if (escape-html-p slot)
-	  (<:as-html (presentation-slot-value slot instance))
-	  (<:as-is (presentation-slot-value slot instance)))))
+  (flet ((maybe-convert-newline-and-escape-html-then-print ()
+	   (let ((string (if (convert-newlines-p slot)
+			     (with-output-to-string (new-string)
+			       (with-input-from-string
+				   (s (presentation-slot-value slot instance))
+				 (loop for line = (read-line s nil)
+				       while line
+				       do (format new-string "~A~A" line "<br/>"))))
+			     (presentation-slot-value slot instance))))
+	     (if (escape-html-p slot)
+		 (<:as-html string)
+		 (<:as-is string)))))
+    
+    (if (editablep slot)
+	(<ucw:textarea
+	 :accessor (presentation-slot-value slot instance)
+	 :reader (or (presentation-slot-value slot instance)
+		 "")
+	 :rows (rows slot)
+	 :cols (columns slot))
+	(when (presentation-slot-value slot instance)
+	  (maybe-convert-newline-and-escape-html-then-print)))))
 
 
 (defcomponent mewa-slot-presentation ()
-  ((slot-name :accessor slot-name 
+  ((validate-functions :accessor validate-functions :initform (list (constantly t)))
+   (slot-name :accessor slot-name 
 	      :initarg :slot-name 
 	      :documentation 
 	      "The name of the slot being accessed")
@@ -40,9 +63,12 @@
 		     :documentation 
 		     "When nil, the instance is syncronised with the database. 
 When T, only the default value for primary keys and the joins are updated.")
-   (show-label-p :accessor show-label-p :initarg :show-label-p :initform t))
+   (show-label-p :accessor show-label-p :initarg :show-label-p :initform t)
+   (creatablep :accessor creatablep :initarg :creatablep :initform t))
   (:documentation "The superclass of all Mewa slot presentations"))
 
+
+
 ;;;; this has to be in the eval when i would think
 (eval-when (:compile-toplevel :load-toplevel :execute)
   (defun generate-slot-presentation-definition-for-type (type)
@@ -68,32 +94,38 @@ When T, only the default value for primary keys and the joins are updated.")
 
 (defslot-presentation clsql-wall-time-slot-presentation (mewa-relation-slot-presentation)
        ((input-id :accessor input-id :initform (arnesi:random-string 10 arnesi:+ascii-alphabet+))
-	(trigger-id :accessor trigger-id :initform (arnesi:random-string 10 arnesi:+ascii-alphabet+)))
+	(trigger-id :accessor trigger-id :initform (arnesi:random-string 10 arnesi:+ascii-alphabet+))
+	(default-to-now-p :accessor default-to-now-p :initarg :default-to-now-p :initform nil))
        (:type-name clsql-sys:wall-time))
 
-(defmethod presentation-slot-value ((slot clsql-wall-time-slot-presentation) instance)
+(defmethod lol::presentation-slot-value ((slot clsql-wall-time-slot-presentation) instance)
   (let ((date (call-next-method)))
     (when date (multiple-value-bind (y m d) (clsql:time-ymd date)
       (format nil "~a/~a/~a" m d y)))))
 
-(defmethod (setf presentation-slot-value) ((value string) (slot clsql-wall-time-slot-presentation) instance)
+(defmethod (setf lol::presentation-slot-value) ((value string) (slot clsql-wall-time-slot-presentation) instance)
   (let ((new-time (clsql:parse-date-time (remove #\Space value)))
 	(old-time (when (slot-boundp instance (slot-name slot))
 		    (slot-value instance (slot-name slot)))))
     (unless (or (eql old-time new-time)
 		(when (and new-time old-time)
 		  (equal :equal (clsql:time-compare new-time old-time))))
-    (setf (presentation-slot-value slot instance) new-time ))))
+    (setf (presentation-slot-value slot instance) new-time))))
 
 (defmethod label :around ((slot clsql-wall-time-slot-presentation))
   (concatenate 'string (call-next-method) "  (m/d/y)"))
 
-(defmethod present-slot ((slot clsql-wall-time-slot-presentation) instance)
-  (let ((date (presentation-slot-value slot instance)))
+(defmethod lol::present-slot ((slot clsql-wall-time-slot-presentation) instance)
+  (let ((date (lol::presentation-slot-value slot instance)))
+    ;; Default values
+    (when (and (not date) (default-to-now-p slot))
+      (setf (lol::presentation-slot-value slot instance) (clsql:get-time)))
+    ;;simple viewer
     (if (and date (not (editablep slot)))
 	(<:as-html date))
+    ;; editor
     (when (editablep slot)
-      (<ucw:input :accessor (presentation-slot-value slot instance) :id (input-id slot) :style "display:inline")
+      (<ucw:input :accessor (lol::presentation-slot-value slot instance) :id (input-id slot) :style "display:inline")
       (<:button :id (trigger-id slot) (<:as-html "[...]"))
       (<:script :type "text/javascript" 
 		(<:as-is (format nil " 
@@ -188,12 +220,13 @@ Calendar.setup({
 
 (defmethod  present-slot :around ((slot foreign-key-slot-presentation) instance)  
   (setf (foreign-instance slot) 
-	(when (presentation-slot-value slot instance) 
+	(when (lol::presentation-slot-value slot instance) 
 	  (meta-model:explode-foreign-key instance (slot-name slot))))
   (flet ((render () (when (foreign-instance slot)(call-next-method))))
     (if (slot-boundp slot 'ucw::place)
         (cond 
           ((editablep slot)
+	   (render)
            (<ucw:submit :action  (search-records slot instance) :value "Search" :style "display:inline")
            (<ucw:submit :action  (create-record-on-foreign-key slot instance) :value "Add New" :style "display:inline"))
           ((linkedp slot)
@@ -205,6 +238,9 @@ Calendar.setup({
         (render))))
 
 
+(defmethod find-foreign-instances ((slot foreign-key-slot-presentation))
+  (clsql:select (class-name (class-of (meta-model:explode-foreign-key (instance slot) (slot-name slot))))))
+
 
 
 ;;;; HAS MANY 
@@ -214,7 +250,7 @@ Calendar.setup({
 
 (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)
+  (unless (meta-model::persistentp instance)
     (setf (mewa::modifiedp (ucw::parent self)) t))
   ;; sync up the instance
   ;;(mewa:ensure-instance-sync (parent slot))
@@ -243,7 +279,7 @@ Calendar.setup({
 					  :linkedp t
 					  :editablep nil)))
 		(<:as-html string))))
-	(<:table
+	(<:table :cellpadding 10
 	 (<:tr
 	  (<:th)			;empty col for (view) link
 	  (dolist (s (slots presentation))
@@ -266,7 +302,7 @@ Calendar.setup({
 (defmethod get-foreign-instances ((slot has-many-slot-presentation) instance)
   (slot-value instance (slot-name slot)))
 
-(defmethod presentation-slot-value ((slot has-many-slot-presentation) instance)
+(defmethod lol::presentation-slot-value ((slot has-many-slot-presentation) instance)
   (get-foreign-instances slot instance))
 
 (defslot-presentation has-very-many-slot-presentation (has-many-slot-presentation)
@@ -309,31 +345,129 @@ Calendar.setup({
 		   for i from 0 upto (number-to-display slot)
 		   collect (car cons))))
 
-(defslot-presentation has-a-slot-presentation (one-of-presentation)
-  ((key :initarg :key :accessor key))
+
+;;;; * Has-a
+(defslot-presentation has-a-slot-presentation (mewa-relation-slot-presentation)
+  ((allow-nil-p :accessor allow-nil-p :initarg :allow-nil-p :initform t)
+   (attributes :accessor attributes :initarg :attributes :initform nil))
   (:type-name has-a))
 
-(defmethod get-foreign-slot-value ((slot has-a-slot-presentation) (object t) (slot-name t))
-  (slot-value object slot-name))
+(defmethod find-foreign-slot-value ((slot has-a-slot-presentation) (object t))
+  (multiple-value-bind (c s)      
+      (meta-model:explode-foreign-key (instance (ucw::parent slot)) (slot-name slot))
+    (slot-value object s)))
+
+(defmethod get-foreign-instances ((slot mewa-relation-slot-presentation) instance)
+  (clsql:select (class-name (class-of
+			     (meta-model:explode-foreign-key instance (slot-name slot))))
+		:flatp t))
 
 (defmethod present-slot ((slot has-a-slot-presentation) instance)
-      (<:as-html (presentation-slot-value slot instance))
+;      (<:as-html (lol::presentation-slot-value slot instance))
   (if (editablep slot)
-      (<ucw:select :accessor (presentation-slot-value slot instance) :test #'equalp
+      (progn (<ucw:select :accessor (lol::presentation-slot-value slot instance) :test #'equalp
         (when (allow-nil-p slot)
-	  (<ucw:option :value nil (<:as-html (none-label slot))))
-	(dolist (option (get-foreign-instances (presentation slot) instance))
-	  (setf (instance (presentation slot)) option)
-	  (<ucw:option :value (get-foreign-slot-value slot option (key slot)) (present (presentation slot)))))
-      (if (presentation-slot-value slot instance)
+	  (<ucw:option :value nil (<:as-html "none")))
+	(dolist (option (get-foreign-instances slot instance))
+	  (<ucw:option :value (find-foreign-slot-value slot option)
+		       (lol::present
+			(lol::make-presentation option
+			   :type :as-string
+			   :initargs
+			   `(:attributes ,(attributes slot)))
+			))))
+	     (when (creatablep slot)
+	       (<ucw:submit :action  (create-record-on-foreign-key slot instance) :value "Add New" :style "display:inline"))) 
+      (if (lol::presentation-slot-value slot instance)
 	  (progn
-	    (setf (instance (presentation slot)) (presentation-slot-value slot instance))
-	    (present (presentation slot)))
-	  (<:as-html "--"))))
-
-
-
-
-
-
-
+	   (lol::present
+	    (lol:make-presentation (meta-model:explode-foreign-key instance (slot-name slot))
+			   :type :one-line
+			   :initargs
+			   `(:attributes ,(attributes slot)))
+			   ))
+	   (<:as-html "--"))))
+
+(defslot-presentation many-to-many-slot-presentation (mewa-relation-slot-presentation)
+  ((list-view :accessor list-view :initarg :list-view :initform :one-line)
+   (action-view :accessor action-view :initarg :action-view :initform :viewer)
+   (create-view :initform :creator)
+   (select-view :initform :as-string :accessor select-view))
+  (:type-name many-to-many)
+  (:default-initargs :label "many to many"))
+
+(defun %delete-item (item)
+  (clsql:with-default-database (clsql:*default-database*)
+    (ignore-errors
+    (clsql:delete-instance-records item))))
+
+(defaction delete-item ((self component) instance)
+  (multiple-value-bind (res err) (%delete-item instance)
+  (if (not err) 
+      (call 'info-message :message "Removed Instance")
+      (call 'info-message :message (format nil "Could not remove item. Try removing associated items first. ~A" instance)))))
+
+(defaction delete-relationship ((slot many-to-many-slot-presentation) rel instance)
+  (delete-item (ucw::parent self) rel)
+  (sync-instance instance)
+  (answer-component (ucw::parent self)   t))
+
+
+(defun find-many-to-many-join-class (slot instance)
+  (let* ((imd (getf (meta-model::find-slot-metadata instance (slot-name slot))
+		    :db-info))
+	 (jc (make-instance (getf imd :join-class)))
+	 (jcmd (getf (meta-model::find-slot-metadata jc (getf imd :target-slot))
+		     :db-info)))
+    (getf jcmd :join-class)))
+
+(defmethod find-all-instances ((slot many-to-many-slot-presentation) instance)
+  (clsql:select (find-many-to-many-join-class slot instance) :flatp t))
+
+(defmethod present-slot ((slot many-to-many-slot-presentation) instance)  
+  (let ((instances (slot-value instance (slot-name slot)))
+	new-instance)
+    (<:ul
+     (<:li (<ucw:button :action (add-to-many-to-many slot instance)
+			 (<:as-html "Add New")))
+     (<:li  (<ucw:button :action (add-to-many-to-many slot instance new-instance)
+			 (<:as-html "Add:"))
+	    (<ucw:select :accessor new-instance
+			 (arnesi:dolist* (i (find-all-instances slot instance))
+			   (<ucw:option
+			    :value i
+			    (lol:present-view (i (select-view slot) slot))))))
+     (dolist* (i instances)
+       (<:li
+	(<ucw:a :action (call-view ((car i) (action-view slot) (ucw::parent slot)))
+		(<:as-html "(view) "))
+	(<ucw:a :action (delete-relationship slot (second i) instance)
+		(<:as-html "(remove) "))
+	(present-view ((car i) (list-view slot) (ucw::parent slot)))) ))))
+
+
+(defaction add-to-many-to-many ((slot many-to-many-slot-presentation) instance &optional foreign-instance)
+  ;;;; First things first, we sync.
+  (sync-instance instance)
+  (let* (new
+	 (imd (getf (meta-model::find-slot-metadata instance (slot-name slot))
+		    :db-info))
+	 (jc (make-instance (getf imd :join-class)))
+	 (jcmd (getf (meta-model::find-slot-metadata jc (getf imd :target-slot))
+		     :db-info))
+	 (fc (make-instance (getf jcmd :join-class)))
+	 (c (if
+	     foreign-instance
+	     foreign-instance
+	     (call-view (fc :creator (ucw::parent slot))))))
+    (when c
+      (sync-instance c)
+;      (error "~A ~A ~A" (getf imd :foreign-key) (getf jcmd :foreign-key) (getf imd :home-key))
+      (setf (slot-value jc (getf imd :foreign-key))
+	    (slot-value instance (getf imd :home-key)))
+      (setf (slot-value jc (getf jcmd :home-key))
+	    (slot-value c (getf jcmd :foreign-key)))
+      (sync-instance jc)
+      
+      (sync-instance instance)
+      c)))