From 89a50085a72db763863f22483226e10dfb6a7e45 Mon Sep 17 00:00:00 2001
From: JSDurand <mmemmew@gmail.com>
Date: Tue, 28 Dec 2021 21:19:17 +0800
Subject: bookmark-conf: The era of automation comes by!

Adapt to use an automatic filter group.
---
 bookmark-conf.el | 85 ++++++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 68 insertions(+), 17 deletions(-)

diff --git a/bookmark-conf.el b/bookmark-conf.el
index 4d33e1e..eaf6dbc 100644
--- a/bookmark-conf.el
+++ b/bookmark-conf.el
@@ -24,11 +24,17 @@
 
 ;;; Code:
 
+(require 'bookmark)
+
+(autoload 'use-package "basic")
+
 ;; dependency of blist
 
 (use-package "ilist" 'ilist)
+(require 'ilist)
 
 (use-package "blist" 'blist)
+(require 'blist)
 
 ;;; replace the original key-binding
 
@@ -64,47 +70,88 @@
 
 ;;;; Filter groups
 
+;;;;; Features
+
+(setq blist-filter-features (list 'auto 'manual))
+
+;;;;; Fixed groups
+
+;; Now that I have automatic groups, I only need some of these manual
+;; groups to keep certain groups in the order I prefer, and placed at
+;; the top of the list.
+
 (setq
  blist-filter-groups
  (list
   (cons "PDF" #'blist-pdf-p)
-  (cons "Eshell" #'blist-eshell-p)
-  (cons "ELisp" #'blist-elisp-p)
-  (cons "Gnus" #'blist-gnus-p)
-  (cons "EWW" #'blist-eww-p)
-  (cons "Info" #'blist-info-p)
-  (cons "External" #'blist-external-p)
-  (cons "Org" #'blist-org-p)
   (cons "C" #'blist-c-p)
-  (cons "Default" #'blist-default-p)))
+  (cons "Gnus" #'blist-gnus-p)
+  (cons "ELisp" #'blist-elisp-p)
+  (cons "Eshell" #'blist-eshell-p)))
+
+;;;;; Automatic groups
+
+(ilist-dag "durand" blist-filter-default-label
+           (cond
+            ;; The following two clauses ensure that the default group
+            ;; stays at the bottom of the list.
+            ((string= x "Default") nil)
+            ((string= y "Default"))
+            ((string-lessp x y)))
+  (save-match-data
+    (let* ((handler (bookmark-get-handler element))
+           (handler-name (and handler (format "%S" handler)))
+           (location (bookmark-location element)))
+      ;; replace repeating parts
+      (cond
+       ((and handler-name
+             (string-match "\\([^z-a]+\\)-jump" handler-name))
+        (setq
+         handler-name
+         (replace-regexp-in-string
+          "^durand-" ""
+          (replace-regexp-in-string
+           "-bookmark$" "" (match-string 1 handler-name))))))
+      ;; take case of file extensions
+      (cond
+       ((and (null handler-name) location
+             (string-match "\\.\\([^.]+\\)\\'" location))
+        (setq handler-name (match-string 1 location))))
+      (cond
+       (handler-name
+        (cond
+         ((<= (length handler-name) 3) (upcase handler-name))
+         ((capitalize handler-name))))))))
+
+(setq blist-automatic-filter-groups #'ilist-automatic-group-durand)
 
 ;;; More bookmark groups
 
+;; Some of these are not needed anymore, but I still keep them here as
+;; a reference.  Or maybe I just don't want to delete them.
+
 ;;;; Gnus group
 
 ;; There seems to be only two GNUS bookmark handlers (or one?)
 (blist-define-criterion "gnus" "Gnus"
   (memq (bookmark-get-handler bookmark)
-        (list #'gnus-summary-bookmark-jump
-              #'gnus-bookmark-jump)))
+        (list #'gnus-summary-bookmark-jump #'gnus-bookmark-jump)))
 
 ;;;; EWW group
 
 (blist-define-criterion "eww" "EWW"
-  (eq (bookmark-get-handler bookmark)
-      #'durand-eww-bookmark-jump))
+  (eq (bookmark-get-handler bookmark) 'durand-eww-bookmark-jump))
 
 ;;;; Info group
 
 (blist-define-criterion "info" "Info"
-  (eq (bookmark-get-handler bookmark)
-      #'Info-bookmark-jump))
+  (eq (bookmark-get-handler bookmark) 'Info-bookmark-jump))
 
 ;;;; PDF group
 
 (blist-define-criterion "pdf" "PDF"
-  (eq (bookmark-get-handler bookmark)
-      #'pdf-view-bookmark-jump-handler))
+  (eq
+   (bookmark-get-handler bookmark) 'pdf-view-bookmark-jump-handler))
 
 ;;;; Org group
 
@@ -148,6 +195,8 @@
 
 ;;; Fit annotations buffer to window
 
+(autoload 'durand-fit-window-to-buffer-with-max "common")
+
 (defun durand-bookmark-jump-fit-to-window (&rest _args)
   "Fit the annotations buffer to its window, if needed.
 ARGS are ignored."
@@ -165,7 +214,7 @@ ARGS are ignored."
 
 (cond
  ((assoc blist-buffer-name display-buffer-alist #'string-match-p)
-  (setcdr (assoc durand-chercher-pdf-buffer-name
+  (setcdr (assoc blist-buffer-name
                  display-buffer-alist #'string-match-p)
           '((display-buffer-same-window))))
  (t
@@ -225,6 +274,8 @@ This will be opened by the function `browse-url-default-browser'."
     (cons 'handler #'durand-external-jump))
    nil))
 
+(autoload 'browse-url-default-browser "browse-url")
+
 (defun durand-external-jump (bookmark)
   "Jump to the external BOOKMARK.
 BOOKMARK should be set by `durand-set-external-bookmark'."
-- 
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