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;;; cider-browse-ns.el --- CIDER namespace browser
;; Copyright © 2014-2015 John Andrews
;; Author: John Andrews <john.m.andrews@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/>.
;; This file is not part of GNU Emacs.
;;; Commentary:
;; (cider-browse-ns)
;; Display a list of all vars in a namespace.
;; Pressing <enter> will take you to the cider-doc buffer for that var.
;; Pressing ^ will take you to a list of all namespaces (akin to dired mode)
;; (cider-browse-ns-all)
;; Explore clojure namespaces by browsing a list of all namespaces.
;; Pressing enter expands into a list of that namespace's vars as if by
;; executing the command (cider-browse-ns "my.ns")
;;; Code:
(require 'cider-repl)
(require 'cider-client)
(require 'cider-interaction)
(defconst cider-browse-ns-buffer "*Browse NS*")
(defvar-local cider-browse-ns-current-ns nil)
;; Mode Definition
(defvar cider-browse-ns-mode-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map cider-popup-buffer-mode-map)
(define-key map "d" #'cider-browse-ns--doc-at-point)
(define-key map "s" #'cider-browse-ns--find-at-point)
(define-key map [return] #'cider-browse-ns--doc-at-point)
(define-key map "^" #'cider-browse-ns-all)
(define-key map "n" #'next-line)
(define-key map "p" #'previous-line)
map))
(defvar cider-browse-ns-mouse-map
(let ((map (make-sparse-keymap)))
(define-key map [mouse-1] #'cider-browse-ns--handle-mouse)
map))
(define-derived-mode cider-browse-ns-mode special-mode "browse-ns"
"Major mode for browsing Clojure namespaces.
\\{cider-browse-ns-mode-map}"
(set-syntax-table clojure-mode-syntax-table)
(setq buffer-read-only t)
(setq-local electric-indent-chars nil)
(setq-local truncate-lines t)
(setq-local cider-browse-ns-current-ns nil))
(defun cider-browse-ns--properties (text)
"Decorate TEXT with a clickable keymap and function face."
(propertize text
'font-lock-face 'font-lock-function-name-face
'mouse-face 'highlight
'keymap cider-browse-ns-mouse-map))
(defun cider-browse-ns--list (buffer title items)
"Reset contents of BUFFER. Then display TITLE at the top and ITEMS are indented underneath."
(with-current-buffer buffer
(cider-browse-ns-mode)
(let ((inhibit-read-only t))
(erase-buffer)
(insert (propertize title 'font-lock-face 'font-lock-type-face))
(newline)
(dolist (item items)
(insert " " item)
(newline))
(goto-char (point-min)))))
;; Interactive Functions
;;;###autoload
(defun cider-browse-ns (namespace)
"List all NAMESPACE's vars in BUFFER."
(interactive (list (completing-read "Browse namespace: " (cider-sync-request:ns-list))))
(with-current-buffer (cider-popup-buffer cider-browse-ns-buffer t)
(let ((vars (cider-sync-request:ns-vars namespace)))
(cider-browse-ns--list (current-buffer)
namespace
(mapcar (lambda (var)
(format "%s"
(cider-browse-ns--properties var)))
vars))
(setq-local cider-browse-ns-current-ns namespace))))
;;;###autoload
(defun cider-browse-ns-all ()
"List all loaded namespaces in BUFFER."
(interactive)
(with-current-buffer (cider-popup-buffer cider-browse-ns-buffer t)
(let ((names (cider-sync-request:ns-list)))
(cider-browse-ns--list (current-buffer)
"All loaded namespaces"
(mapcar (lambda (name)
(cider-browse-ns--properties name))
names))
(setq-local cider-browse-ns-current-ns nil))))
(defun cider-browse-ns--var-at-point ()
(let ((line (buffer-substring-no-properties (line-beginning-position) (line-end-position))))
(when (string-match " +\\(.+\\)" line)
(format "%s/%s" cider-browse-ns-current-ns (match-string 1 line)))))
(defun cider-browse-ns--doc-at-point ()
"Expand browser according to thing at current point."
(interactive)
(-when-let (var (cider-browse-ns--var-at-point))
(cider-doc-lookup var)))
(defun cider-browse-ns--find-at-point ()
(interactive)
(when-let (var (cider-browse-ns--var-at-point))
(cider-find-var current-prefix-arg var)))
(defun cider-browse-ns--handle-mouse (event)
"Handle mouse click EVENT."
(interactive "e")
(cider-browse-ns--doc-at-point))
(provide 'cider-browse-ns)
;;; cider-browse-ns.el ends here
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