;;;; Programmer: Kevin M. Rosenberg
;;;; Date Started: Apr 2000
;;;;
-;;;; $Id: views.lisp,v 1.60 2003/07/11 18:02:41 kevin Exp $
+;;;; $Id: views.lisp,v 1.61 2003/07/14 04:10:02 kevin Exp $
;;;;
;;;; This file is Copyright (c) 2000-2003 by Kevin M. Rosenberg
;;;; *************************************************************************
:documentation "Class of object to be viewed.")
(slots :initform nil :initarg :slots :accessor slots
:documentation "List of effective slots for object to be viewed.")
- (name :initform nil :initarg :name :accessor name
- :documentation "Name for this view.")
- (category :initform nil :initarg :category :accessor category
- :documentation "Category for view. Helpful when want to find a view corresponding to a particular category.")
+ (id :initform nil :initarg :id :accessor id
+ :documentation "id for this view.")
(source-code :initform nil :initarg :source-code :accessor source-code
:documentation "Source code for generating view.")
(country-language :initform :en :initarg :country-language
(:documentation "View class for a hyperobject"))
-(defun get-category-view (obj category &optional slots)
+(defun get-default-view-id (obj-cl)
+ (aif (views obj-cl)
+ (id (car it))
+ :compact-text))
+
+(defun find-view-id-in-class-precedence (obj-cl vid)
+ "Looks for a view in class and parent classes"
+ (when (typep obj-cl 'hyperobject-class)
+ (aif (find vid (views obj-cl) :key #'id :test #'eq)
+ it
+ (let (cpl)
+ (handler-case
+ (setq cpl (class-precedence-list obj-cl))
+ (error (e)
+ (declare (ignore e))
+ ;; can't get cpl unless class finalized
+ (make-instance (class-name obj-cl))
+ (setq cpl (class-precedence-list obj-cl))))
+ (find-view-id-in-class-precedence (second cpl) vid)))))
+
+
+(defun get-view-id (obj vid &optional slots)
"Find or make a category view for an object"
- (let ((obj-class (class-of obj)))
- (if (null category)
- (default-view obj-class)
- (aif (find category (views obj-class) :key #'category)
- it
- (let ((view
- (make-instance 'object-view
- :object-class (find-class obj-class)
- :category category
- :slots slots)))
- (push view (views obj-class))
- view)))))
-
+ (let ((obj-cl (class-of obj)))
+ (unless vid
+ (setq vid (get-default-view-id obj-cl)))
+ (aif (find-view-id-in-class-precedence obj-cl vid)
+ it
+ (let ((view
+ (make-instance 'object-view
+ :object-class (class-name obj-cl)
+ :id vid
+ :slots slots)))
+ (push view (views obj-cl))
+ view))))
+
;;;; *************************************************************************
;;;; Metaclass Intialization
;;;; *************************************************************************
(unless (default-print-slots cl)
(setf (default-print-slots cl)
(mapcar #'slot-definition-name (class-slots cl))))
- (let ((views '()))
- (dolist (view-def (direct-views cl))
- (push (make-object-view cl view-def) views))
- (setf (views cl) (nreverse views)))
- (cond
- ((views cl)
- (setf (default-view cl) (car (views cl))))
- (t
- (setf (default-view cl) (make-object-view cl :default)))))
+ (setf (views cl)
+ (loop for view-def in (direct-views cl)
+ collect (make-object-view cl view-def))))
(defun make-object-view (cl view-def)
"Make an object view from a definition. Do nothing if a class is passed so that reinitialization will be a no-op"
((typep view-def 'object-view)
view-def)
((eq view-def :default)
- (let* ((name (class-name cl))
- (view (make-instance 'object-view :name "automatic"
- :object-class (class-name cl)
- :category :compact-text)))
- view))
+ (make-instance 'object-view
+ :object-class (class-name cl)
+ :id :compact-text))
((consp view-def)
(make-instance 'object-view
:object-class (class-name cl)
- :name (getf view-def :name)
+ :id (getf view-def :id)
+ :slots (getf view-def :slots)
:source-code (getf view-def :source-code)))
(t
(error "Invalid parameter to make-object-view: ~S" view-def))))
(defmethod initialize-instance :after ((self object-view)
&rest initargs
- &key
+ &key
&allow-other-keys)
(initialize-view self))
"Calculate all view slots for a hyperobject class"
(let ((obj-cl (find-class (object-class view))))
(cond
- ((category view)
- (initialize-view-by-category obj-cl view))
((source-code view)
(initialize-view-by-source-code view))
+ ((id view)
+ (initialize-view-by-id obj-cl view))
(t
- (setf (category view) :compact-text)
- (initialize-view-by-category obj-cl view)))))
+ (setf (id view) :compact-text)
+ (initialize-view-by-id obj-cl view)))))
+
+
(defun initialize-view-by-source-code (view)
"Initialize a view based upon a source code"
(let* ((source-code (source-code view))
- (*package* (symbol-package (object-class view)))
- (printer `(lambda (x s)
- (declare (ignorable x s))
- ,@source-code)))
+ (printer `(lambda
+ (,(intern (symbol-name '#:self)
+ (symbol-package (object-class view)))
+ ,(intern (symbol-name '#:s)
+ (symbol-package (object-class view))))
+ (declare (ignorable
+ ,(intern (symbol-name '#:self)
+ (symbol-package (object-class view)))
+ ,(intern (symbol-name '#:s)
+ (symbol-package (object-class view)))))
+ (with-slots ,(slots view)
+ ,(intern (symbol-name '#:self)
+ (symbol-package (object-class view)))
+ ,@source-code))))
(setf (printer view)
(compile nil (eval printer)))))
(vector-push-extend '(write-string "</span> " s) print-func)
(ppfc-html-link name type formatter cdata nlink print-func))
-(defun push-print-fun-code (category slot nlink print-func)
+(defun push-print-fun-code (vid slot nlink print-func)
(let* ((formatter (esd-print-formatter slot))
(name (slot-definition-name slot))
(user-name (esd-user-name slot))
(xml-tag (escape-xml-string user-name))
(type (slot-value slot 'type))
(cdata (not (null
- (and (in category :xml :xhtml :xml-link :xhtml-link
+ (and (in vid :xml :xhtml :xml-link :xhtml-link
:xml-labels :ie-xml-labels
:xhtml-link-labels :xml-link-labels :ie-xml-link
:ie-xml-link-labels)
(lisp-type-is-a-string type))))))
(hyperlink (esd-hyperlink slot)))
- (case category
+ (case vid
(:compact-text
(vector-push-extend
`(write-ho-value x ',name ',type ',formatter ,cdata s) print-func))
(defun view-has-links-p (view)
- (in (category view) :html-link :xhtml-link :xml-link :ie-xml-link
+ (in (id view) :html-link :xhtml-link :xml-link :ie-xml-link
:html-link-labels :xhtml-link-labels :xml-link-labels
:ie-xml-link-labels))
-(defun initialize-view-by-category (obj-cl view)
- "Initialize a view based upon a preset category"
- (unless (in (category view) :compact-text :compact-text-labels
- :html :html-labels :html-link-labels
- :xhtml :xhtml-labels :xhtml-link-labels
- :xhtml-link :html-link
- :xml :xml-labels :xml-link :ie-xml-link
- :xml-link-labels :ie-xml-link-labels
- :display-table :edit-table)
- (error "Unknown view category ~A" (category view)))
+(defun creatable-view-id-p (obj-cl vid)
+ "Returns T if a view id can be created for this class"
+ (declare (ignore obj-cl))
+ (in vid :compact-text :compact-text-labels
+ :html :html-labels :html-link-labels
+ :xhtml :xhtml-labels :xhtml-link-labels
+ :xhtml-link :html-link
+ :xml :xml-labels :xml-link :ie-xml-link
+ :xml-link-labels :ie-xml-link-labels
+ :display-table :edit-table))
+
+(defun initialize-view-by-id (obj-cl view)
+ "Initialize a view based upon a preset vid"
+ (unless (creatable-view-id-p obj-cl (id view))
+ (error "Unable to automatically create view id ~A" (id view)))
(unless (slots view) (setf (slots view) (default-print-slots obj-cl)))
(unless slot
(error "Slot ~A is not found in class ~S" slot-name obj-cl))
- (push-print-fun-code (category view) slot (length links) print-func)
+ (push-print-fun-code (id view) slot (length links) print-func)
(when (> (length slots) 1)
(vector-push-extend '(write-char #\space s) print-func))
(setf (link-slots view) (nreverse links)))
- (finalize-view-by-category view)
+ (finalize-view-by-id view)
view)
-(defun finalize-view-by-category (view)
- (case (category view)
+(defun finalize-view-by-id (view)
+ (case (id view)
((or :compact-text :compact-text-labels)
(initialize-text-view view))
((or :html :html-labels)
(setf (link-ampersand view) "&"))))
-(defun make-std-object-slots-view (class-name slots)
- #'(lambda (obj strm)
- )
-
- )
-
;;;; *************************************************************************
;;;; View Data Format Section
;;;; *************************************************************************
(write-char #\newline strm))
(defun initialize-xml-view (view)
- (setf (file-start-str view) "") ; (std-xml-header)
- (setf (list-start-indent view) t)
- (setf (list-start-printer view) #'xmlformat-list-start-func)
- (setf (list-end-indent view) t)
- (setf (list-end-printer view) #'xmlformat-list-end-func)
- (setf (obj-start-printer view) (format nil "<~(~a~)>" (object-class-name view)))
- (setf (obj-start-indent view) t)
- (setf (subobj-end-printer view) (format nil "</~(~a~)>~%" (object-class-name view)))
- (setf (subobj-end-indent view) nil)
- (setf (obj-data-indent view) nil))
+ (let ((name (string-downcase (symbol-name (object-class view)))))
+ (setf (file-start-str view) "") ; (std-xml-header)
+ (setf (list-start-indent view) t)
+ (setf (list-start-printer view) #'xmlformat-list-start-func)
+ (setf (list-end-indent view) t)
+ (setf (list-end-printer view) #'xmlformat-list-end-func)
+ (setf (obj-start-printer view) (format nil "<~(~a~)>" name))
+ (setf (obj-start-indent view) t)
+ (setf (subobj-end-printer view) (format nil "</~(~a~)>~%" name))
+ (setf (subobj-end-indent view) nil)
+ (setf (obj-data-indent view) nil)))
;;; File Start and Ends
(load-all-subobjects it))))
objs)
-(defun view-subobjects (obj strm &optional category (indent 0) filter
+(defun view-subobjects (obj strm &optional vid (indent 0) filter
subobjects refvars link-printer)
(when (hyperobject-class-subobjects obj)
(dolist (subobj (hyperobject-class-subobjects obj))
(aif (slot-value obj (name-slot subobj))
(view-hyperobject
- it (get-category-view (car (mklist it)) category)
- category strm (1+ indent) filter subobjects refvars
+ it (get-view-id (car (mklist it)) vid)
+ vid strm (1+ indent) filter subobjects refvars
link-printer)))))
-(defun view-hyperobject (objs view strm &optional category (indent 0) filter
+(defun view-hyperobject (objs view strm &optional vid (indent 0) filter
subobjects refvars link-printer)
"Display a single or list of hyperobject-class instances and their subobjects"
(let-when (objlist (mklist objs))
(fmt-obj-end obj view strm indent)
(when subobjects
(fmt-subobj-start obj view strm indent)
- (view-subobjects obj category strm indent filter subobjects
+ (view-subobjects obj vid strm indent filter subobjects
refvars link-printer)
(fmt-subobj-end obj view strm indent))))
(fmt-list-end (car objlist) view strm indent nobjs)))
objs)
-(defun view (objs &key (stream *standard-output*) category view
+(defun view (objs &key (stream *standard-output*) vid view
filter subobjects refvars file-wrapper link-printer)
"EXPORTED Function: prints hyperobject-class objects. Calls view-hyperobject"
(let-when (objlist (mklist objs))
- (when category
- (setq view (get-category-view (car objlist) category)))
(unless view
- (setq view (default-view (class-of (car objlist)))))
+ (setq view (get-view-id (car objlist) vid)))
(when file-wrapper
(fmt-file-start view stream))
- (view-hyperobject objlist view stream category 0 filter subobjects refvars
+ (view-hyperobject objlist view stream vid 0 filter subobjects refvars
link-printer)
(when file-wrapper
(fmt-file-end view stream)))
projects / hyperobject.git / blobdiff