From ffcd87e06fd830aef5bbd9a2bd8877db8b98501d Mon Sep 17 00:00:00 2001
From: Tom Willemsen <tom@ryuslash.org>
Date: Mon, 1 Oct 2012 00:35:05 +0200
Subject: [PATCH] Make the <view> class do its work

I still need to rewrite the macros to work with this new style of
view.
---
 undone/main.scm | 20 +++++++-------------
 undone/view.scm |  6 ++++--
 2 files changed, 11 insertions(+), 15 deletions(-)

diff --git a/undone/main.scm b/undone/main.scm
index 117e2c6..508a8f2 100644
--- a/undone/main.scm
+++ b/undone/main.scm
@@ -109,8 +109,6 @@
         result)
       '()))
 
-(define view-list '())
-
 (define (mkdirs path)
   (let ((parent (dirname path)))
     (if (not (file-exists? parent))
@@ -177,19 +175,17 @@
           (cdr (assq 'state item))
           (cdr (assq 'content item))))
 
-(define-view default
-  "Default todo-list view, show only the title."
-  "~2d ~a~%" id content)
-
 (define (view args)
   "Show a list of todo items."
   (let* ((view-name (or (and (pair? args) (car args))
-                        "default"))
+                        "view"))
          (view-symbol (string->symbol view-name))
          (view-cons (assq view-symbol view-list))
-         (view-func (if view-cons (cdr view-cons) '())))
-    (if (procedure? view-func)
-        (apply view-func '()))))
+         (view-class (if view-cons (cdr view-cons) '())))
+    (if (or (eq? <view> view-class)
+            (memq view-class (class-subclasses <view>)))
+        (print-view (make view-class #:todo-list todo-list))
+        (format #t "Unknown view: ~a~%" view-name))))
 
 (define (load-rc-file)
   "Load the RC file containing custom views and such."
@@ -220,6 +216,4 @@
           (lambda (view)
             (format #t "~a~20t~a~%"
                     (car view) (procedure-documentation (cdr view))))
-          view-list))))
-
-  (print-view (make <todo-view> #:todo-list todo-list)))
+          view-list)))))
diff --git a/undone/view.scm b/undone/view.scm
index dcd694a..ce1ef23 100644
--- a/undone/view.scm
+++ b/undone/view.scm
@@ -1,7 +1,7 @@
 (define-module (undone view)
   #:use-module (oop goops)
-  #:export (<view> sort-view filter-view print-item get-list-for
-                   print-view))
+  #:export (<view> view-list sort-view filter-view print-item
+                   get-list-for print-view))
 
 (define-generic sort-view)
 (define-generic filter-view)
@@ -12,6 +12,8 @@
 (define-class <view> ()
   (todo-list #:init-value '() #:init-keyword #:todo-list))
 
+(define view-list `((view . ,<view>)))
+
 (define-method (sort-view (v <view>) l) l)
 
 (define-method (print-item (v <view>) item)