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;;; stack-question.el --- question logic for stack-mode -*- lexical-binding: t; -*-
;; Copyright (C) 2014 Sean Allred
;; Author: Sean Allred <code@seanallred.com>
;; Keywords: help, hypermedia, mail, news, tools
;; 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:
;;
;;; Code:
(require 'stack-core)
(require 'stack-filter)
(defvar stack-question-browse-filter
(stack-filter-compile nil
'(user.profile_image shallow_user.profile_image)))
(defun stack-question-get-questions (site &optional page)
"Get the page PAGE of questions from SITE."
(stack-core-make-request
"questions"
`((site . ,site)
(page . ,page))
stack-question-browse-filter))
(defun stack-question--display (data window)
"Display question given by DATA on WINDOW.
If WINDOW is nil, use selected one."
(with-current-buffer
(stack-question--display-buffer window)
(erase-buffer)
(insert
(org-element-interpret-data
(stack-lto--question data)))))
(defvar stack-question--window nil
"Window where the content of questions is displayed.")
(defvar stack-question--buffer "*stack-question*"
"Buffer being used to display questions.")
(defun stack-question--display-buffer (window)
"Display and return the buffer used for displaying a question.
Create the buffer if necessary.
If WINDOW is given, use that to display the buffer."
(unless (buffer-live-p stack-question--buffer)
(setq stack-question--buffer
(generate-new-buffer stack-question--buffer)))
(cond
;; Window was given, use it.
((window-live-p window)
(set-window-buffer window stack-question--buffer))
;; No window, but the buffer is already being displayed somewhere.
((get-buffer-window stack-question--buffer 'visible))
;; Neither, so we create the window.
(t (switch-to-buffer stack-question--buffer)))
stack-question--buffer)
(provide 'stack-question)
;;; stack-question.el ends here
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