From f52da547b4d13e3380280f60ede663c860fc2ae7 Mon Sep 17 00:00:00 2001
From: yoichi <yoichi>
Date: Wed, 16 Oct 2002 10:16:16 +0000
Subject: [PATCH] * wl-mime.el (wl-message-delete-current-part): New function.
 (wl-mime-node-id-to-string): Ditto.

---
 wl/ChangeLog  |    5 +++++
 wl/wl-mime.el |   46 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)

diff --git a/wl/ChangeLog b/wl/ChangeLog
index d907337..63c42f3 100644
--- a/wl/ChangeLog
+++ b/wl/ChangeLog
@@ -1,3 +1,8 @@
+2002-10-16  Yoichi NAKAYAMA  <yoichi@eken.phys.nagoya-u.ac.jp>
+
+	* wl-mime.el (wl-message-delete-current-part): New function.
+	(wl-mime-node-id-to-string): Ditto.
+
 2002-10-12  Yuuichi Teranishi  <teranisi@gohome.org>
 
 	* wl-summary.el (wl-summary-insert-headers): Put alike hash in reverse
diff --git a/wl/wl-mime.el b/wl/wl-mime.el
index 7f09b26..3dfa7bb 100644
--- a/wl/wl-mime.el
+++ b/wl/wl-mime.el
@@ -166,6 +166,52 @@ By setting following-method as yank-content."
 (defalias 'wl-message-button-dispatcher-internal
   'mime-button-dispatcher)
 
+(defsubst wl-mime-node-id-to-string (node-id)
+  (if (consp node-id)
+      (mapconcat (function (lambda (num) (format "%s" (1+ num))))
+		 (reverse node-id)
+		 ".")
+    "0"))
+
+(defun wl-message-delete-current-part ()
+  "Delete a part under the cursor from the multipart message."
+  (interactive)
+  (let* ((entity (get-text-property (point) 'mime-view-entity))
+	 (node-id (mime-entity-node-id entity))
+	 (header-start (mime-buffer-entity-header-start-internal entity))
+	 (body-end (mime-buffer-entity-body-end-internal entity))
+	 (folder (wl-folder-get-elmo-folder wl-message-buffer-cur-folder))
+	 (number wl-message-buffer-cur-number)
+	 (msgid (elmo-message-field folder number 'message-id)))
+    (when (and node-id
+	       (yes-or-no-p
+		(format "Do you really want to delete part %s? "
+			(wl-mime-node-id-to-string node-id))))
+      (with-temp-buffer
+	(elmo-message-fetch folder
+			    number
+			    (elmo-make-fetch-strategy 'entire)
+			    nil
+			    (current-buffer)
+			    'unread)
+	(kill-region header-start body-end)
+	(goto-char header-start)
+	(insert "Content-Type: text/plain; charset=US-ASCII\n\n")
+	(insert "** This part has been removed by Wanderlust **\n\n")
+	(elmo-folder-append-buffer folder t))
+
+      (elmo-folder-append-messages
+       (wl-folder-get-elmo-folder wl-trash-folder)
+       folder (list number) nil)
+      (elmo-folder-delete-messages folder (list number))
+
+      (when (file-exists-p (elmo-cache-get-path msgid))
+	(delete-file (elmo-cache-get-path msgid)))
+
+      (mime-preview-quit)
+      (wl-summary-toggle-disp-msg 'off)
+      (wl-summary-sync nil "update"))))
+
 ;;; Summary
 (defun wl-summary-burst-subr (message-entity target number)
   ;; returns new number.
-- 
1.7.10.4