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;;; sx-tab.el --- functions for viewing different tabs
;; Copyright (C) 2014 Artur Malabarba
;; Author: Artur Malabarba <bruce.connor.am@gmail.com>
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This file provides a single macro to define 'tabs' to view lists of
;; questions.
;;; Tabs:
;; - frontpage :: the frontpage of a single site
;;; Code:
(require 'sx)
(require 'sx-question-list)
(defcustom sx-tab-default-site "emacs"
"Name of the site to use by default when listing questions."
:type 'string
:group 'sx)
(defmacro sx-tab--define (tab pager &optional printer refresher
&rest body)
"Define a StackExchange tab called TAB.
TAB is a capitalized string.
This defines a command `sx-tab-TAB' for displaying the tab,
and a variable `sx-tab--TAB-buffer' for holding the bufer.
The arguments PAGER, PRINTER, and REFRESHER, if non-nil, are
respectively used to set the value of the variables
`sx-question-list--print-function',
`sx-question-list--refresh-function', and
`sx-question-list--next-page-function'.
BODY is evaluated after activating the mode and setting these
variables, but before refreshing the display."
(declare (indent 1) (debug t))
(let* ((name (downcase tab))
(buffer-variable
(intern (concat "sx-tab--" name "-buffer"))))
`(progn
(defvar ,buffer-variable nil
,(format "Buffer where the %s questions are displayed."
tab))
(defun
,(intern (concat "sx-tab-" name))
(&optional no-update site)
,(format "Display a list of %s questions for SITE.
NO-UPDATE (the prefix arg) is passed to `sx-question-list-refresh'.
If SITE is nil, use `sx-tab-default-site'."
tab)
(interactive
(list current-prefix-arg
(funcall (if ido-mode #'ido-completing-read #'completing-read)
(format "Site (%s): " sx-tab-default-site)
(sx-site-get-api-tokens) nil t nil nil
sx-tab-default-site)))
(sx-initialize)
(unless site (setq site sx-tab-default-site))
;; Create the buffer
(unless (buffer-live-p ,buffer-variable)
(setq ,buffer-variable
(generate-new-buffer "*question-list*")))
;; Fill the buffer with content.
(with-current-buffer ,buffer-variable
(sx-question-list-mode)
,(when printer
`(setq sx-question-list--print-function ,printer))
,(when refresher
`(setq sx-question-list--refresh-function ,refresher))
,(when pager
`(setq sx-question-list--next-page-function ,pager))
(setq sx-question-list--site site)
(setq sx-question-list--current-tab ,tab)
,@body
(sx-question-list-refresh 'redisplay no-update))
(switch-to-buffer ,buffer-variable)))))
;;; FrontPage
(sx-tab--define "FrontPage"
(lambda (page)
(sx-question-get-questions
sx-question-list--site page)))
;;;###autoload
(autoload 'sx-tab-frontpage
(expand-file-name
"sx-tab"
(when load-file-name
(file-name-directory load-file-name)))
nil t)
(provide 'sx-tab)
;;; sx-tab.el ends here
;; Local Variables:
;; lexical-binding: t
;; End:
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