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2900b2d8 | 1 | ;;; newst-treeview.el --- Treeview frontend for newsticker. |
2415d4c6 | 2 | |
ba318903 | 3 | ;; Copyright (C) 2008-2014 Free Software Foundation, Inc. |
2415d4c6 | 4 | |
2415d4c6 | 5 | ;; Author: Ulf Jasper <ulf.jasper@web.de> |
2900b2d8 | 6 | ;; Filename: newst-treeview.el |
2415d4c6 UJ |
7 | ;; URL: http://www.nongnu.org/newsticker |
8 | ;; Created: 2007 | |
9 | ;; Keywords: News, RSS, Atom | |
bd78fa1d | 10 | ;; Package: newsticker |
2415d4c6 UJ |
11 | |
12 | ;; ====================================================================== | |
13 | ||
68706e71 GM |
14 | ;; This file is part of GNU Emacs. |
15 | ||
2415d4c6 UJ |
16 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
17 | ;; it under the terms of the GNU General Public License as published by | |
18 | ;; the Free Software Foundation, either version 3 of the License, or | |
19 | ;; (at your option) any later version. | |
20 | ||
21 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
22 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
23 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
24 | ;; GNU General Public License for more details. | |
25 | ||
26 | ;; You should have received a copy of the GNU General Public License | |
27 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. | |
28 | ||
29 | ;; ====================================================================== | |
30 | ;;; Commentary: | |
31 | ||
32 | ;; See newsticker.el | |
33 | ||
34 | ;; ====================================================================== | |
35 | ;;; History: | |
5eddea0b | 36 | ;; |
2415d4c6 | 37 | |
2415d4c6 UJ |
38 | ;; ====================================================================== |
39 | ;;; Code: | |
8e39154d | 40 | (require 'newst-reader) |
2415d4c6 UJ |
41 | (require 'widget) |
42 | (require 'tree-widget) | |
43 | (require 'wid-edit) | |
44 | ||
45 | ;; ====================================================================== | |
46 | ;;; Customization | |
47 | ;; ====================================================================== | |
48 | (defgroup newsticker-treeview nil | |
49 | "Settings for the tree view reader." | |
50 | :group 'newsticker-reader) | |
51 | ||
52 | (defface newsticker-treeview-face | |
4b56d0fe CY |
53 | '((((class color) (background dark)) :foreground "white") |
54 | (((class color) (background light)) :foreground "black")) | |
2415d4c6 UJ |
55 | "Face for newsticker tree." |
56 | :group 'newsticker-treeview) | |
57 | ||
58 | (defface newsticker-treeview-new-face | |
4b56d0fe | 59 | '((t :inherit newsticker-treeview-face :weight bold)) |
2415d4c6 UJ |
60 | "Face for newsticker tree." |
61 | :group 'newsticker-treeview) | |
62 | ||
63 | (defface newsticker-treeview-old-face | |
4b56d0fe | 64 | '((t :inherit newsticker-treeview-face)) |
2415d4c6 UJ |
65 | "Face for newsticker tree." |
66 | :group 'newsticker-treeview) | |
67 | ||
68 | (defface newsticker-treeview-immortal-face | |
4b56d0fe CY |
69 | '((default :inherit newsticker-treeview-face :slant italic) |
70 | (((class color) (background dark)) :foreground "orange") | |
71 | (((class color) (background light)) :foreground "blue")) | |
2415d4c6 UJ |
72 | "Face for newsticker tree." |
73 | :group 'newsticker-treeview) | |
74 | ||
75 | (defface newsticker-treeview-obsolete-face | |
4b56d0fe | 76 | '((t :inherit newsticker-treeview-face :strike-through t)) |
2415d4c6 UJ |
77 | "Face for newsticker tree." |
78 | :group 'newsticker-treeview) | |
79 | ||
80 | (defface newsticker-treeview-selection-face | |
4b56d0fe CY |
81 | '((((class color) (background dark)) :background "#bbbbff") |
82 | (((class color) (background light)) :background "#bbbbff")) | |
2415d4c6 UJ |
83 | "Face for newsticker selection." |
84 | :group 'newsticker-treeview) | |
85 | ||
86 | (defcustom newsticker-treeview-own-frame | |
639fbfe1 | 87 | nil |
4367e4b2 | 88 | "Decides whether newsticker treeview creates and uses its own frame." |
2415d4c6 UJ |
89 | :type 'boolean |
90 | :group 'newsticker-treeview) | |
91 | ||
4367e4b2 UJ |
92 | (defcustom newsticker-treeview-treewindow-width |
93 | 30 | |
94 | "Width of tree window in treeview layout. | |
95 | See also `newsticker-treeview-listwindow-height'." | |
27cacd2d | 96 | :type 'integer |
4367e4b2 UJ |
97 | :group 'newsticker-treeview) |
98 | ||
99 | (defcustom newsticker-treeview-listwindow-height | |
100 | 10 | |
101 | "Height of list window in treeview layout. | |
102 | See also `newsticker-treeview-treewindow-width'." | |
27cacd2d | 103 | :type 'integer |
4367e4b2 UJ |
104 | :group 'newsticker-treeview) |
105 | ||
2415d4c6 UJ |
106 | (defcustom newsticker-treeview-automatically-mark-displayed-items-as-old |
107 | t | |
108 | "Decides whether to automatically mark displayed items as old. | |
109 | If t an item is marked as old as soon as it is displayed. This | |
110 | applies to newsticker only." | |
111 | :type 'boolean | |
112 | :group 'newsticker-treeview) | |
113 | ||
114 | (defvar newsticker-groups | |
115 | '("Feeds") | |
116 | "List of feed groups, used in the treeview frontend. | |
883bef2d UJ |
117 | First element is a string giving the group name. Remaining |
118 | elements are either strings giving a feed name or lists having | |
119 | the same structure as `newsticker-groups'. (newsticker-groups := | |
120 | groupdefinition, groupdefinition := groupname groupcontent*, | |
121 | groupcontent := feedname | groupdefinition) | |
122 | ||
123 | Example: (\"Topmost group\" \"feed1\" (\"subgroup1\" \"feed 2\") | |
124 | \"feed3\")") | |
2415d4c6 UJ |
125 | |
126 | (defcustom newsticker-groups-filename | |
127 | "~/.newsticker-groups" | |
128 | "Name of the newsticker groups settings file." | |
129 | :type 'string | |
130 | :group 'newsticker-treeview) | |
59f7af81 | 131 | (make-obsolete-variable 'newsticker-groups-filename 'newsticker-dir "23.1") |
2415d4c6 UJ |
132 | |
133 | ;; ====================================================================== | |
134 | ;;; internal variables | |
135 | ;; ====================================================================== | |
136 | (defvar newsticker--treeview-windows nil) | |
137 | (defvar newsticker--treeview-buffers nil) | |
a59c6c51 UJ |
138 | (defvar newsticker--treeview-current-feed nil |
139 | "Feed name of currently shown item.") | |
2415d4c6 UJ |
140 | (defvar newsticker--treeview-current-vfeed nil) |
141 | (defvar newsticker--treeview-list-show-feed nil) | |
142 | (defvar newsticker--saved-window-config nil) | |
2415d4c6 UJ |
143 | (defvar newsticker--selection-overlay nil |
144 | "Highlight the selected tree node.") | |
2415d4c6 UJ |
145 | (defvar newsticker--tree-selection-overlay nil |
146 | "Highlight the selected list item.") | |
2415d4c6 UJ |
147 | (defvar newsticker--frame nil "Special frame for newsticker windows.") |
148 | (defvar newsticker--treeview-list-sort-order 'sort-by-time) | |
149 | (defvar newsticker--treeview-current-node-id nil) | |
150 | (defvar newsticker--treeview-current-tree nil) | |
151 | (defvar newsticker--treeview-feed-tree nil) | |
152 | (defvar newsticker--treeview-vfeed-tree nil) | |
153 | ||
154 | ;; maps for the clickable portions | |
155 | (defvar newsticker--treeview-url-keymap | |
156 | (let ((map (make-sparse-keymap 'newsticker--treeview-url-keymap))) | |
157 | (define-key map [mouse-1] 'newsticker-treeview-mouse-browse-url) | |
158 | (define-key map [mouse-2] 'newsticker-treeview-mouse-browse-url) | |
159 | (define-key map "\n" 'newsticker-treeview-browse-url) | |
160 | (define-key map "\C-m" 'newsticker-treeview-browse-url) | |
161 | (define-key map [(control return)] 'newsticker-handle-url) | |
162 | map) | |
163 | "Key map for click-able headings in the newsticker treeview buffers.") | |
164 | ||
165 | ||
166 | ;; ====================================================================== | |
167 | ;;; short cuts | |
168 | ;; ====================================================================== | |
169 | (defsubst newsticker--treeview-tree-buffer () | |
170 | "Return the tree buffer of the newsticker treeview." | |
171 | (nth 0 newsticker--treeview-buffers)) | |
172 | (defsubst newsticker--treeview-list-buffer () | |
173 | "Return the list buffer of the newsticker treeview." | |
174 | (nth 1 newsticker--treeview-buffers)) | |
175 | (defsubst newsticker--treeview-item-buffer () | |
176 | "Return the item buffer of the newsticker treeview." | |
177 | (nth 2 newsticker--treeview-buffers)) | |
178 | (defsubst newsticker--treeview-tree-window () | |
179 | "Return the tree window of the newsticker treeview." | |
180 | (nth 0 newsticker--treeview-windows)) | |
181 | (defsubst newsticker--treeview-list-window () | |
182 | "Return the list window of the newsticker treeview." | |
183 | (nth 1 newsticker--treeview-windows)) | |
184 | (defsubst newsticker--treeview-item-window () | |
185 | "Return the item window of the newsticker treeview." | |
186 | (nth 2 newsticker--treeview-windows)) | |
187 | ||
188 | ;; ====================================================================== | |
189 | ;;; utility functions | |
190 | ;; ====================================================================== | |
191 | (defun newsticker--treeview-get-id (parent i) | |
192 | "Create an id for a newsticker treeview node. | |
193 | PARENT is the node's parent, I is an integer." | |
194 | ;;(message "newsticker--treeview-get-id %s" | |
195 | ;; (format "%s-%d" (widget-get parent :nt-id) i)) | |
196 | (format "%s-%d" (widget-get parent :nt-id) i)) | |
197 | ||
198 | (defun newsticker--treeview-ids-eq (id1 id2) | |
199 | "Return non-nil if ids ID1 and ID2 are equal." | |
200 | ;;(message "%s/%s" (or id1 -1) (or id2 -1)) | |
201 | (and id1 id2 (string= id1 id2))) | |
202 | ||
203 | (defun newsticker--treeview-nodes-eq (node1 node2) | |
204 | "Compare treeview nodes NODE1 and NODE2 for equality. | |
205 | Nodes are equal if the have the same newsticker-id. Note that | |
206 | during re-tagging and collapsing/expanding nodes change, while | |
207 | their id stays constant." | |
208 | (let ((id1 (widget-get node1 :nt-id)) | |
209 | (id2 (widget-get node2 :nt-id))) | |
210 | ;;(message "%s/%s %s/%s" (widget-get node1 :tag) (widget-get node2 :tag) | |
211 | ;; (or id1 -1) (or id2 -1)) | |
212 | (or (newsticker--treeview-ids-eq id1 id2) | |
213 | (string= (widget-get node1 :tag) (widget-get node2 :tag))))) | |
214 | ||
215 | (defun newsticker--treeview-do-get-node-of-feed (feed-name startnode) | |
c7015153 | 216 | "Recursively search node for feed FEED-NAME starting from STARTNODE." |
2415d4c6 UJ |
217 | ;;(message "%s/%s" feed-name (widget-get startnode :nt-feed)) |
218 | (if (string= feed-name (or (widget-get startnode :nt-feed) | |
219 | (widget-get startnode :nt-vfeed))) | |
220 | (throw 'found startnode) | |
221 | (let ((children (widget-get startnode :children))) | |
222 | (dolist (w children) | |
223 | (newsticker--treeview-do-get-node-of-feed feed-name w))))) | |
224 | ||
225 | (defun newsticker--treeview-get-node-of-feed (feed-name) | |
226 | "Return node for feed FEED-NAME in newsticker treeview tree." | |
227 | (catch 'found | |
228 | (newsticker--treeview-do-get-node-of-feed feed-name | |
229 | newsticker--treeview-feed-tree) | |
230 | (newsticker--treeview-do-get-node-of-feed feed-name | |
231 | newsticker--treeview-vfeed-tree))) | |
232 | ||
233 | (defun newsticker--treeview-do-get-node (id startnode) | |
c7015153 | 234 | "Recursively search node with ID starting from STARTNODE." |
2415d4c6 UJ |
235 | (if (newsticker--treeview-ids-eq id (widget-get startnode :nt-id)) |
236 | (throw 'found startnode) | |
237 | (let ((children (widget-get startnode :children))) | |
238 | (dolist (w children) | |
239 | (newsticker--treeview-do-get-node id w))))) | |
240 | ||
241 | (defun newsticker--treeview-get-node (id) | |
242 | "Return node with ID in newsticker treeview tree." | |
243 | (catch 'found | |
244 | (newsticker--treeview-do-get-node id newsticker--treeview-feed-tree) | |
245 | (newsticker--treeview-do-get-node id newsticker--treeview-vfeed-tree))) | |
246 | ||
247 | (defun newsticker--treeview-get-current-node () | |
248 | "Return current node in newsticker treeview tree." | |
249 | (newsticker--treeview-get-node newsticker--treeview-current-node-id)) | |
250 | ||
251 | ;; ====================================================================== | |
252 | ||
17abdd47 | 253 | (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))) |
a66bb4d5 GM |
254 | (declare-function w3m-toggle-inline-images "ext:w3m" (&optional force no-cache)) |
255 | ||
2415d4c6 UJ |
256 | (defun newsticker--treeview-render-text (start end) |
257 | "Render text between markers START and END." | |
258 | (if newsticker-html-renderer | |
259 | (condition-case error-data | |
260 | (save-excursion | |
261 | (set-marker-insertion-type end t) | |
262 | ;; check whether it is necessary to call html renderer | |
263 | ;; (regexp inspired by htmlr.el) | |
264 | (goto-char start) | |
265 | (when (re-search-forward | |
266 | "</?[A-Za-z1-6]*\\|&#?[A-Za-z0-9]+;" end t) | |
267 | ;; (message "%s" (newsticker--title item)) | |
268 | (let ((w3m-fill-column (if newsticker-use-full-width | |
269 | -1 fill-column)) | |
270 | (w3-maximum-line-length | |
271 | (if newsticker-use-full-width nil fill-column))) | |
272 | (save-excursion | |
273 | (funcall newsticker-html-renderer start end))) | |
274 | ;;(cond ((eq newsticker-html-renderer 'w3m-region) | |
275 | ;; (add-text-properties start end (list 'keymap | |
276 | ;; w3m-minor-mode-map))) | |
277 | ;;((eq newsticker-html-renderer 'w3-region) | |
278 | ;;(add-text-properties start end (list 'keymap w3-mode-map)))) | |
279 | (if (eq newsticker-html-renderer 'w3m-region) | |
280 | (w3m-toggle-inline-images t)) | |
281 | t)) | |
282 | (error | |
283 | (message "Error: HTML rendering failed: %s, %s" | |
284 | (car error-data) (cdr error-data)) | |
285 | nil)) | |
286 | nil)) | |
287 | ||
288 | ;; ====================================================================== | |
289 | ;;; List window | |
290 | ;; ====================================================================== | |
291 | (defun newsticker--treeview-list-add-item (item feed &optional show-feed) | |
292 | "Add news ITEM for FEED to newsticker treeview list window. | |
293 | If string SHOW-FEED is non-nil it is shown in the item string." | |
294 | (setq newsticker--treeview-list-show-feed show-feed) | |
9a529312 | 295 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
296 | (let* ((inhibit-read-only t) |
297 | pos1 pos2) | |
298 | (goto-char (point-max)) | |
299 | (setq pos1 (point-marker)) | |
300 | (insert " ") | |
301 | (insert (propertize " " 'display '(space :align-to 2))) | |
302 | (insert (if show-feed | |
303 | (concat | |
304 | (substring | |
305 | (format "%-10s" (newsticker--real-feed-name | |
306 | feed)) | |
307 | 0 10) | |
308 | (propertize " " 'display '(space :align-to 12))) | |
309 | "")) | |
310 | (insert (format-time-string "%d.%m.%y, %H:%M" | |
311 | (newsticker--time item))) | |
312 | (insert (propertize " " 'display | |
313 | (list 'space :align-to (if show-feed 28 18)))) | |
314 | (setq pos2 (point-marker)) | |
315 | (insert (newsticker--title item)) | |
316 | (insert "\n") | |
317 | (newsticker--treeview-render-text pos2 (point-marker)) | |
318 | (goto-char pos2) | |
319 | (while (search-forward "\n" nil t) | |
320 | (replace-match " ")) | |
321 | (let ((map (make-sparse-keymap))) | |
322 | (define-key map [mouse-1] 'newsticker-treeview-tree-click) | |
323 | (define-key map "\n" 'newsticker-treeview-show-item) | |
324 | (define-key map "\C-m" 'newsticker-treeview-show-item) | |
325 | (add-text-properties pos1 (point-max) | |
326 | (list :nt-item item | |
327 | :nt-feed feed | |
328 | :nt-link (newsticker--link item) | |
329 | 'mouse-face 'highlight | |
330 | 'keymap map | |
639fbfe1 UJ |
331 | 'help-echo (buffer-substring pos2 |
332 | (point-max))))) | |
2415d4c6 UJ |
333 | (insert "\n")))) |
334 | ||
335 | (defun newsticker--treeview-list-clear () | |
336 | "Clear the newsticker treeview list window." | |
9a529312 | 337 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
338 | (let ((inhibit-read-only t)) |
339 | (erase-buffer) | |
340 | (kill-all-local-variables) | |
341 | (remove-overlays)))) | |
342 | ||
343 | (defun newsticker--treeview-list-items-with-age-callback (widget | |
344 | changed-widget | |
345 | &rest ages) | |
346 | "Fill newsticker treeview list window with items of certain age. | |
347 | This is a callback function for the treeview nodes. | |
348 | Argument WIDGET is the calling treeview widget. | |
349 | Argument CHANGED-WIDGET is the widget that actually has changed. | |
350 | Optional argument AGES is the list of ages that are to be shown." | |
351 | (newsticker--treeview-list-clear) | |
352 | (widget-put widget :nt-selected t) | |
353 | (apply 'newsticker--treeview-list-items-with-age ages)) | |
354 | ||
355 | (defun newsticker--treeview-list-items-with-age (&rest ages) | |
356 | "Actually fill newsticker treeview list window with items of certain age. | |
357 | AGES is the list of ages that are to be shown." | |
358 | (mapc (lambda (feed) | |
359 | (let ((feed-name-symbol (intern (car feed)))) | |
360 | (mapc (lambda (item) | |
361 | (when (memq (newsticker--age item) ages) | |
362 | (newsticker--treeview-list-add-item | |
363 | item feed-name-symbol t))) | |
364 | (newsticker--treeview-list-sort-items | |
365 | (cdr (newsticker--cache-get-feed feed-name-symbol)))))) | |
366 | (append newsticker-url-list-defaults newsticker-url-list)) | |
367 | (newsticker--treeview-list-update nil)) | |
368 | ||
369 | (defun newsticker--treeview-list-new-items (widget changed-widget | |
370 | &optional event) | |
371 | "Fill newsticker treeview list window with new items. | |
372 | This is a callback function for the treeview nodes. | |
883bef2d UJ |
373 | Argument WIDGET is the calling treeview widget. |
374 | Argument CHANGED-WIDGET is the widget that actually has changed. | |
375 | Optional argument EVENT is the mouse event that triggered this action." | |
2415d4c6 UJ |
376 | (newsticker--treeview-list-items-with-age-callback widget changed-widget |
377 | 'new) | |
378 | (newsticker--treeview-item-show-text | |
379 | "New items" | |
380 | "This is a virtual feed containing all new items")) | |
381 | ||
382 | (defun newsticker--treeview-list-immortal-items (widget changed-widget | |
383 | &optional event) | |
384 | "Fill newsticker treeview list window with immortal items. | |
385 | This is a callback function for the treeview nodes. | |
883bef2d UJ |
386 | Argument WIDGET is the calling treeview widget. |
387 | Argument CHANGED-WIDGET is the widget that actually has changed. | |
388 | Optional argument EVENT is the mouse event that triggered this action." | |
2415d4c6 UJ |
389 | (newsticker--treeview-list-items-with-age-callback widget changed-widget |
390 | 'immortal) | |
391 | (newsticker--treeview-item-show-text | |
392 | "Immortal items" | |
393 | "This is a virtual feed containing all immortal items.")) | |
394 | ||
395 | (defun newsticker--treeview-list-obsolete-items (widget changed-widget | |
396 | &optional event) | |
397 | "Fill newsticker treeview list window with obsolete items. | |
398 | This is a callback function for the treeview nodes. | |
883bef2d UJ |
399 | Argument WIDGET is the calling treeview widget. |
400 | Argument CHANGED-WIDGET is the widget that actually has changed. | |
401 | Optional argument EVENT is the mouse event that triggered this action." | |
2415d4c6 UJ |
402 | (newsticker--treeview-list-items-with-age-callback widget changed-widget |
403 | 'obsolete) | |
404 | (newsticker--treeview-item-show-text | |
405 | "Obsolete items" | |
406 | "This is a virtual feed containing all obsolete items.")) | |
407 | ||
408 | (defun newsticker--treeview-list-all-items (widget changed-widget | |
409 | &optional event) | |
410 | "Fill newsticker treeview list window with all items. | |
411 | This is a callback function for the treeview nodes. | |
883bef2d UJ |
412 | Argument WIDGET is the calling treeview widget. |
413 | Argument CHANGED-WIDGET is the widget that actually has changed. | |
414 | Optional argument EVENT is the mouse event that triggered this action." | |
2415d4c6 UJ |
415 | (newsticker--treeview-list-items-with-age-callback widget changed-widget |
416 | event 'new 'old | |
417 | 'obsolete 'immortal) | |
418 | (newsticker--treeview-item-show-text | |
419 | "All items" | |
420 | "This is a virtual feed containing all items.")) | |
421 | ||
422 | (defun newsticker--treeview-list-items-v (vfeed-name) | |
423 | "List items for virtual feed VFEED-NAME." | |
424 | (when vfeed-name | |
425 | (cond ((string-match "\\*new\\*" vfeed-name) | |
426 | (newsticker--treeview-list-items-with-age 'new)) | |
427 | ((string-match "\\*immortal\\*" vfeed-name) | |
428 | (newsticker--treeview-list-items-with-age 'immortal)) | |
429 | ((string-match "\\*old\\*" vfeed-name) | |
430 | (newsticker--treeview-list-items-with-age 'old nil))) | |
431 | (newsticker--treeview-list-update nil) | |
432 | )) | |
433 | ||
434 | (defun newsticker--treeview-list-items (feed-name) | |
435 | "List items for feed FEED-NAME." | |
436 | (when feed-name | |
437 | (if (newsticker--treeview-virtual-feed-p feed-name) | |
438 | (newsticker--treeview-list-items-v feed-name) | |
439 | (mapc (lambda (item) | |
440 | (if (eq (newsticker--age item) 'feed) | |
441 | (newsticker--treeview-item-show item (intern feed-name)) | |
442 | (newsticker--treeview-list-add-item item | |
443 | (intern feed-name)))) | |
444 | (newsticker--treeview-list-sort-items | |
445 | (cdr (newsticker--cache-get-feed (intern feed-name))))) | |
446 | (newsticker--treeview-list-update nil)))) | |
447 | ||
448 | (defun newsticker--treeview-list-feed-items (widget changed-widget | |
449 | &optional event) | |
450 | "Callback function for listing feed items. | |
883bef2d UJ |
451 | Argument WIDGET is the calling treeview widget. |
452 | Argument CHANGED-WIDGET is the widget that actually has changed. | |
453 | Optional argument EVENT is the mouse event that triggered this action." | |
2415d4c6 UJ |
454 | (newsticker--treeview-list-clear) |
455 | (widget-put widget :nt-selected t) | |
456 | (let ((feed-name (widget-get widget :nt-feed)) | |
457 | (vfeed-name (widget-get widget :nt-vfeed))) | |
458 | (if feed-name | |
459 | (newsticker--treeview-list-items feed-name) | |
460 | (newsticker--treeview-list-items-v vfeed-name)))) | |
461 | ||
462 | (defun newsticker--treeview-list-compare-item-by-age (item1 item2) | |
463 | "Compare two news items ITEM1 and ITEM2 wrt age." | |
464 | (catch 'result | |
465 | (let ((age1 (newsticker--age item1)) | |
466 | (age2 (newsticker--age item2))) | |
467 | (cond ((eq age1 'new) | |
468 | t) | |
469 | ((eq age1 'immortal) | |
470 | (cond ((eq age2 'new) | |
471 | t) | |
472 | ((eq age2 'immortal) | |
473 | t) | |
474 | (t | |
475 | nil))) | |
476 | ((eq age1 'old) | |
477 | (cond ((eq age2 'new) | |
478 | nil) | |
479 | ((eq age2 'immortal) | |
480 | nil) | |
481 | ((eq age2 'old) | |
482 | nil) | |
483 | (t | |
484 | t))) | |
485 | (t | |
486 | nil))))) | |
487 | ||
488 | (defun newsticker--treeview-list-compare-item-by-age-reverse (item1 item2) | |
489 | "Compare two news items ITEM1 and ITEM2 wrt age in reverse order." | |
490 | (newsticker--treeview-list-compare-item-by-age item2 item1)) | |
491 | ||
492 | (defun newsticker--treeview-list-compare-item-by-time (item1 item2) | |
493 | "Compare two news items ITEM1 and ITEM2 wrt time values." | |
494 | (newsticker--cache-item-compare-by-time item1 item2)) | |
495 | ||
496 | (defun newsticker--treeview-list-compare-item-by-time-reverse (item1 item2) | |
497 | "Compare two news items ITEM1 and ITEM2 wrt time values in reverse order." | |
498 | (newsticker--cache-item-compare-by-time item2 item1)) | |
499 | ||
500 | (defun newsticker--treeview-list-compare-item-by-title (item1 item2) | |
501 | "Compare two news items ITEM1 and ITEM2 wrt title." | |
502 | (newsticker--cache-item-compare-by-title item1 item2)) | |
503 | ||
504 | (defun newsticker--treeview-list-compare-item-by-title-reverse (item1 item2) | |
505 | "Compare two news items ITEM1 and ITEM2 wrt title in reverse order." | |
506 | (newsticker--cache-item-compare-by-title item2 item1)) | |
507 | ||
508 | (defun newsticker--treeview-list-sort-items (items) | |
509 | "Return sorted copy of list ITEMS. | |
510 | The sort function is chosen according to the value of | |
511 | `newsticker--treeview-list-sort-order'." | |
512 | (let ((sort-fun | |
513 | (cond ((eq newsticker--treeview-list-sort-order 'sort-by-age) | |
514 | 'newsticker--treeview-list-compare-item-by-age) | |
515 | ((eq newsticker--treeview-list-sort-order | |
516 | 'sort-by-age-reverse) | |
517 | 'newsticker--treeview-list-compare-item-by-age-reverse) | |
518 | ((eq newsticker--treeview-list-sort-order 'sort-by-time) | |
519 | 'newsticker--treeview-list-compare-item-by-time) | |
520 | ((eq newsticker--treeview-list-sort-order | |
521 | 'sort-by-time-reverse) | |
522 | 'newsticker--treeview-list-compare-item-by-time-reverse) | |
523 | ((eq newsticker--treeview-list-sort-order 'sort-by-title) | |
524 | 'newsticker--treeview-list-compare-item-by-title) | |
525 | ((eq newsticker--treeview-list-sort-order | |
526 | 'sort-by-title-reverse) | |
527 | 'newsticker--treeview-list-compare-item-by-title-reverse) | |
528 | (t | |
529 | 'newsticker--treeview-list-compare-item-by-title)))) | |
530 | (sort (copy-sequence items) sort-fun))) | |
531 | ||
532 | (defun newsticker--treeview-list-update-faces () | |
533 | "Update faces in the treeview list buffer." | |
534 | (let (pos-sel) | |
9a529312 | 535 | (with-current-buffer (newsticker--treeview-list-buffer) |
2d84f804 GM |
536 | (save-excursion |
537 | (let ((inhibit-read-only t)) | |
538 | (goto-char (point-min)) | |
539 | (while (not (eobp)) | |
540 | (let* ((pos (point-at-eol)) | |
541 | (item (get-text-property (point) :nt-item)) | |
542 | (age (newsticker--age item)) | |
543 | (selected (get-text-property (point) :nt-selected)) | |
544 | (face (cond ((eq age 'new) | |
545 | 'newsticker-treeview-new-face) | |
546 | ((eq age 'old) | |
547 | 'newsticker-treeview-old-face) | |
548 | ((eq age 'immortal) | |
549 | 'newsticker-treeview-immortal-face) | |
550 | ((eq age 'obsolete) | |
551 | 'newsticker-treeview-obsolete-face) | |
552 | (t | |
553 | 'bold)))) | |
554 | (put-text-property (point) pos 'face face) | |
555 | (if selected | |
556 | (move-overlay newsticker--selection-overlay (point) | |
557 | (1+ pos) ;include newline | |
558 | (current-buffer))) | |
559 | (if selected (setq pos-sel (point))) | |
560 | (forward-line 1) | |
561 | (beginning-of-line)))))) ;; FIXME!? | |
2415d4c6 | 562 | (when pos-sel |
c9aafaaf UJ |
563 | (if (window-live-p (newsticker--treeview-list-window)) |
564 | (set-window-point (newsticker--treeview-list-window) pos-sel))))) | |
2415d4c6 UJ |
565 | |
566 | (defun newsticker--treeview-list-clear-highlight () | |
567 | "Clear the highlight in the treeview list buffer." | |
9a529312 | 568 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
569 | (let ((inhibit-read-only t)) |
570 | (put-text-property (point-min) (point-max) :nt-selected nil)) | |
571 | (newsticker--treeview-list-update-faces))) | |
572 | ||
573 | (defun newsticker--treeview-list-update-highlight () | |
574 | "Update the highlight in the treeview list buffer." | |
575 | (newsticker--treeview-list-clear-highlight) | |
576 | (let (pos num-lines) | |
9a529312 | 577 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 | 578 | (let ((inhibit-read-only t)) |
2d84f804 | 579 | (put-text-property (point-at-bol) (point-at-eol) :nt-selected t)) |
2415d4c6 UJ |
580 | (newsticker--treeview-list-update-faces)))) |
581 | ||
582 | (defun newsticker--treeview-list-highlight-start () | |
583 | "Return position of selection in treeview list buffer." | |
9a529312 | 584 | (with-current-buffer (newsticker--treeview-list-buffer) |
0c74a301 UJ |
585 | (save-excursion |
586 | (goto-char (point-min)) | |
587 | (next-single-property-change (point) :nt-selected)))) | |
2415d4c6 UJ |
588 | |
589 | (defun newsticker--treeview-list-update (clear-buffer) | |
590 | "Update the faces and highlight in the treeview list buffer. | |
591 | If CLEAR-BUFFER is non-nil the list buffer is completely erased." | |
592 | (save-excursion | |
c9aafaaf UJ |
593 | (if (window-live-p (newsticker--treeview-list-window)) |
594 | (set-window-buffer (newsticker--treeview-list-window) | |
595 | (newsticker--treeview-list-buffer))) | |
2415d4c6 UJ |
596 | (set-buffer (newsticker--treeview-list-buffer)) |
597 | (if clear-buffer | |
598 | (let ((inhibit-read-only t)) | |
599 | (erase-buffer))) | |
600 | (newsticker-treeview-list-mode) | |
601 | (newsticker--treeview-list-update-faces) | |
602 | (goto-char (point-min)))) | |
603 | ||
2415d4c6 UJ |
604 | (defvar newsticker-treeview-list-sort-button-map |
605 | (let ((map (make-sparse-keymap))) | |
606 | (define-key map [header-line mouse-1] | |
607 | 'newsticker--treeview-list-sort-by-column) | |
608 | (define-key map [header-line mouse-2] | |
609 | 'newsticker--treeview-list-sort-by-column) | |
610 | map) | |
611 | "Local keymap for newsticker treeview list window sort buttons.") | |
612 | ||
883bef2d | 613 | (defun newsticker--treeview-list-sort-by-column (&optional event) |
2415d4c6 | 614 | "Sort the newsticker list window buffer by the column clicked on. |
883bef2d | 615 | Optional argument EVENT is the mouse event that triggered this action." |
2415d4c6 | 616 | (interactive (list last-input-event)) |
4fe0d68e UJ |
617 | (if event (mouse-select-window event)) |
618 | (let* ((pos (event-start event)) | |
2415d4c6 UJ |
619 | (obj (posn-object pos)) |
620 | (sort-order (if obj | |
621 | (get-text-property (cdr obj) 'sort-order (car obj)) | |
622 | (get-text-property (posn-point pos) 'sort-order)))) | |
623 | (setq newsticker--treeview-list-sort-order | |
624 | (cond ((eq sort-order 'sort-by-age) | |
625 | (if (eq newsticker--treeview-list-sort-order 'sort-by-age) | |
626 | 'sort-by-age-reverse | |
627 | 'sort-by-age)) | |
628 | ((eq sort-order 'sort-by-time) | |
629 | (if (eq newsticker--treeview-list-sort-order 'sort-by-time) | |
630 | 'sort-by-time-reverse | |
631 | 'sort-by-time)) | |
632 | ((eq sort-order 'sort-by-title) | |
633 | (if (eq newsticker--treeview-list-sort-order 'sort-by-title) | |
634 | 'sort-by-title-reverse | |
635 | 'sort-by-title)))) | |
636 | (newsticker-treeview-update))) | |
637 | ||
638 | (defun newsticker-treeview-list-make-sort-button (name sort-order) | |
639 | "Create propertized string for headerline button. | |
640 | NAME is the button text, SORT-ORDER is the associated sort order | |
641 | for the button." | |
642 | (let ((face (if (string-match (symbol-name sort-order) | |
643 | (symbol-name | |
644 | newsticker--treeview-list-sort-order)) | |
645 | 'bold | |
646 | 'header-line))) | |
647 | (propertize name | |
648 | 'sort-order sort-order | |
649 | 'help-echo (concat "Sort by " name) | |
650 | 'mouse-face 'highlight | |
651 | 'face face | |
652 | 'keymap newsticker-treeview-list-sort-button-map))) | |
653 | ||
0c74a301 UJ |
654 | (defun newsticker--treeview-list-select (item) |
655 | "Select ITEM in treeview's list buffer." | |
656 | (newsticker--treeview-list-clear-highlight) | |
657 | (let (pos num-lines) | |
658 | (save-current-buffer | |
659 | (set-buffer (newsticker--treeview-list-buffer)) | |
660 | (goto-char (point-min)) | |
661 | (catch 'found | |
662 | (while t | |
663 | (let ((it (get-text-property (point) :nt-item))) | |
664 | (when (eq it item) | |
665 | (newsticker--treeview-list-update-highlight) | |
666 | (newsticker--treeview-list-update-faces) | |
667 | (newsticker--treeview-item-show | |
668 | item (get-text-property (point) :nt-feed)) | |
669 | (throw 'found t))) | |
670 | (forward-line 1) | |
671 | (when (eobp) | |
672 | (goto-char (point-min)) | |
673 | (throw 'found nil))))))) | |
674 | ||
2415d4c6 UJ |
675 | ;; ====================================================================== |
676 | ;;; item window | |
677 | ;; ====================================================================== | |
678 | (defun newsticker--treeview-item-show-text (title description) | |
679 | "Show text in treeview item buffer consisting of TITLE and DESCRIPTION." | |
9a529312 | 680 | (with-current-buffer (newsticker--treeview-item-buffer) |
2415d4c6 UJ |
681 | (when (fboundp 'w3m-process-stop) |
682 | (w3m-process-stop (current-buffer))) | |
683 | (let ((inhibit-read-only t)) | |
684 | (erase-buffer) | |
685 | (kill-all-local-variables) | |
686 | (remove-overlays) | |
687 | (insert title) | |
688 | (put-text-property (point-min) (point) 'face 'newsticker-feed-face) | |
689 | (insert "\n\n" description) | |
690 | (when newsticker-justification | |
691 | (fill-region (point-min) (point-max) newsticker-justification)) | |
0c74a301 | 692 | (newsticker-treeview-item-mode) |
2415d4c6 UJ |
693 | (goto-char (point-min))))) |
694 | ||
a59c6c51 UJ |
695 | (defun newsticker--treeview-item-show (item feed-name-symbol) |
696 | "Show news ITEM coming from FEED-NAME-SYMBOL in treeview item buffer." | |
697 | (setq newsticker--treeview-current-feed (symbol-name feed-name-symbol)) | |
9a529312 | 698 | (with-current-buffer (newsticker--treeview-item-buffer) |
2415d4c6 UJ |
699 | (when (fboundp 'w3m-process-stop) |
700 | (w3m-process-stop (current-buffer))) | |
701 | (let ((inhibit-read-only t) | |
702 | (is-rendered-HTML nil) | |
703 | pos | |
704 | (marker1 (make-marker)) | |
705 | (marker2 (make-marker))) | |
706 | (erase-buffer) | |
707 | (kill-all-local-variables) | |
708 | (remove-overlays) | |
709 | ||
a59c6c51 | 710 | (when (and item feed-name-symbol) |
2415d4c6 UJ |
711 | (let ((wwidth (1- (window-width (newsticker--treeview-item-window))))) |
712 | (if newsticker-use-full-width | |
713 | (set (make-local-variable 'fill-column) wwidth)) | |
714 | (set (make-local-variable 'fill-column) (min fill-column | |
715 | wwidth))) | |
716 | (let ((desc (newsticker--desc item))) | |
717 | (insert "\n" (or desc "[No Description]"))) | |
718 | (set-marker marker1 (1+ (point-min))) | |
719 | (set-marker marker2 (point-max)) | |
720 | (setq is-rendered-HTML (newsticker--treeview-render-text marker1 | |
721 | marker2)) | |
722 | (when (and newsticker-justification | |
723 | (not is-rendered-HTML)) | |
724 | (fill-region marker1 marker2 newsticker-justification)) | |
5eddea0b | 725 | |
0c74a301 | 726 | (newsticker-treeview-item-mode) |
2415d4c6 UJ |
727 | (goto-char (point-min)) |
728 | ;; insert logo at top | |
729 | (let* ((newsticker-enable-logo-manipulations nil) | |
a59c6c51 | 730 | (img (newsticker--image-read feed-name-symbol nil))) |
2415d4c6 UJ |
731 | (if (and (display-images-p) img) |
732 | (newsticker--insert-image img (car item)) | |
a59c6c51 | 733 | (insert (newsticker--real-feed-name feed-name-symbol)))) |
2415d4c6 UJ |
734 | (add-text-properties (point-min) (point) |
735 | (list 'face 'newsticker-feed-face | |
736 | 'mouse-face 'highlight | |
737 | 'help-echo "Visit in web browser." | |
738 | :nt-link (newsticker--link item) | |
739 | 'keymap newsticker--treeview-url-keymap)) | |
740 | (setq pos (point)) | |
5eddea0b | 741 | |
2415d4c6 UJ |
742 | (insert "\n\n") |
743 | ;; insert title | |
744 | (setq pos (point)) | |
745 | (insert (newsticker--title item) "\n") | |
746 | (set-marker marker1 pos) | |
747 | (set-marker marker2 (point)) | |
748 | (newsticker--treeview-render-text marker1 marker2) | |
749 | (put-text-property pos (point) 'face 'newsticker-treeview-new-face) | |
750 | (goto-char marker2) | |
751 | (delete-char -1) | |
752 | (insert "\n") | |
753 | (put-text-property marker2 (point) 'face 'newsticker-treeview-face) | |
754 | (set-marker marker2 (point)) | |
755 | (when newsticker-justification | |
756 | (fill-region marker1 marker2 newsticker-justification)) | |
757 | (goto-char marker2) | |
758 | (add-text-properties marker1 (1- (point)) | |
759 | (list 'mouse-face 'highlight | |
760 | 'help-echo "Visit in web browser." | |
761 | :nt-link (newsticker--link item) | |
762 | 'keymap newsticker--treeview-url-keymap)) | |
763 | (insert (format-time-string newsticker-date-format | |
764 | (newsticker--time item))) | |
765 | (insert "\n") | |
766 | (setq pos (point)) | |
767 | (insert "\n") | |
768 | ;; insert enclosures and rest at bottom | |
769 | (goto-char (point-max)) | |
770 | (insert "\n\n") | |
771 | (setq pos (point)) | |
772 | (newsticker--insert-enclosure item newsticker--treeview-url-keymap) | |
773 | (put-text-property pos (point) 'face 'newsticker-enclosure-face) | |
774 | (setq pos (point)) | |
775 | (insert "\n") | |
776 | (newsticker--print-extra-elements item newsticker--treeview-url-keymap) | |
777 | (put-text-property pos (point) 'face 'newsticker-extra-face) | |
778 | (goto-char (point-min))))) | |
779 | (if (and newsticker-treeview-automatically-mark-displayed-items-as-old | |
780 | item | |
781 | (memq (newsticker--age item) '(new obsolete))) | |
782 | (let ((newsticker-treeview-automatically-mark-displayed-items-as-old nil)) | |
783 | (newsticker-treeview-mark-item-old t) | |
784 | (newsticker--treeview-list-update-faces))) | |
c9aafaaf UJ |
785 | (if (window-live-p (newsticker--treeview-item-window)) |
786 | (set-window-point (newsticker--treeview-item-window) 1))) | |
2415d4c6 UJ |
787 | |
788 | (defun newsticker--treeview-item-update () | |
789 | "Update the treeview item buffer and window." | |
790 | (save-excursion | |
c9aafaaf UJ |
791 | (if (window-live-p (newsticker--treeview-item-window)) |
792 | (set-window-buffer (newsticker--treeview-item-window) | |
793 | (newsticker--treeview-item-buffer))) | |
2415d4c6 UJ |
794 | (set-buffer (newsticker--treeview-item-buffer)) |
795 | (let ((inhibit-read-only t)) | |
796 | (erase-buffer)) | |
0c74a301 | 797 | (newsticker-treeview-item-mode))) |
2415d4c6 UJ |
798 | |
799 | ;; ====================================================================== | |
800 | ;;; Tree window | |
801 | ;; ====================================================================== | |
802 | (defun newsticker--treeview-tree-expand (tree) | |
803 | "Expand TREE. | |
804 | Callback function for tree widget that adds nodes for feeds and subgroups." | |
2415d4c6 UJ |
805 | (tree-widget-set-theme "folder") |
806 | (let ((group (widget-get tree :nt-group)) | |
807 | (i 0) | |
808 | (nt-id "")) | |
809 | (mapcar (lambda (g) | |
810 | (setq nt-id (newsticker--treeview-get-id tree i)) | |
811 | (setq i (1+ i)) | |
812 | (if (listp g) | |
813 | (let* ((g-name (car g))) | |
814 | `(tree-widget | |
815 | :tag ,(newsticker--treeview-tree-get-tag g-name nil nt-id) | |
816 | :expander newsticker--treeview-tree-expand | |
817 | :expander-p (lambda (&rest ignore) t) | |
818 | :nt-group ,(cdr g) | |
819 | :nt-feed ,g-name | |
820 | :nt-id ,nt-id | |
821 | :keep (:nt-feed :num-new :nt-id :open);; :nt-group | |
822 | :open nil)) | |
823 | (let ((tag (newsticker--treeview-tree-get-tag g nil nt-id))) | |
824 | `(item :tag ,tag | |
825 | :leaf-icon newsticker--tree-widget-leaf-icon | |
826 | :nt-feed ,g | |
827 | :action newsticker--treeview-list-feed-items | |
828 | :nt-id ,nt-id | |
829 | :keep (:nt-id) | |
830 | :open t)))) | |
831 | group))) | |
832 | ||
833 | (defun newsticker--treeview-tree-expand-status (tree &optional changed-widget | |
834 | event) | |
835 | "Expand the vfeed TREE. | |
836 | Optional arguments CHANGED-WIDGET and EVENT are ignored." | |
837 | (tree-widget-set-theme "folder") | |
838 | (list `(item :tag ,(newsticker--treeview-tree-get-tag nil "new") | |
839 | :nt-vfeed "new" | |
840 | :action newsticker--treeview-list-new-items | |
841 | :nt-id ,(newsticker--treeview-get-id tree 0) | |
842 | :keep (:nt-id)) | |
843 | `(item :tag ,(newsticker--treeview-tree-get-tag nil "immortal") | |
844 | :nt-vfeed "immortal" | |
845 | :action newsticker--treeview-list-immortal-items | |
846 | :nt-id ,(newsticker--treeview-get-id tree 1) | |
847 | :keep (:nt-id)) | |
848 | `(item :tag ,(newsticker--treeview-tree-get-tag nil "obsolete") | |
849 | :nt-vfeed "obsolete" | |
850 | :action newsticker--treeview-list-obsolete-items | |
851 | :nt-id ,(newsticker--treeview-get-id tree 2) | |
852 | :keep (:nt-id)) | |
853 | `(item :tag ,(newsticker--treeview-tree-get-tag nil "all") | |
854 | :nt-vfeed "all" | |
855 | :action newsticker--treeview-list-all-items | |
856 | :nt-id ,(newsticker--treeview-get-id tree 3) | |
857 | :keep (:nt-id)))) | |
858 | ||
859 | (defun newsticker--treeview-virtual-feed-p (feed-name) | |
860 | "Return non-nil if FEED-NAME is a virtual feed." | |
861 | (string-match "\\*.*\\*" feed-name)) | |
862 | ||
863 | (define-widget 'newsticker--tree-widget-leaf-icon 'tree-widget-icon | |
864 | "Icon for a tree-widget leaf node." | |
865 | :tag "O" | |
866 | :glyph-name "leaf" | |
867 | :button-face 'default) | |
868 | ||
869 | (defun newsticker--treeview-tree-update () | |
870 | "Update treeview tree buffer and window." | |
871 | (save-excursion | |
c9aafaaf UJ |
872 | (if (window-live-p (newsticker--treeview-tree-window)) |
873 | (set-window-buffer (newsticker--treeview-tree-window) | |
874 | (newsticker--treeview-tree-buffer))) | |
2415d4c6 UJ |
875 | (set-buffer (newsticker--treeview-tree-buffer)) |
876 | (kill-all-local-variables) | |
877 | (let ((inhibit-read-only t)) | |
878 | (erase-buffer) | |
879 | (tree-widget-set-theme "folder") | |
880 | (setq newsticker--treeview-feed-tree | |
881 | (widget-create 'tree-widget | |
882 | :tag (newsticker--treeview-propertize-tag | |
883 | "Feeds" 0 "feeds") | |
884 | :expander 'newsticker--treeview-tree-expand | |
885 | :expander-p (lambda (&rest ignore) t) | |
886 | :leaf-icon 'newsticker--tree-widget-leaf-icon | |
887 | :nt-group (cdr newsticker-groups) | |
888 | :nt-id "feeds" | |
889 | :keep '(:nt-id) | |
890 | :open t)) | |
891 | (setq newsticker--treeview-vfeed-tree | |
892 | (widget-create 'tree-widget | |
893 | :tag (newsticker--treeview-propertize-tag | |
894 | "Virtual Feeds" 0 "vfeeds") | |
895 | :expander 'newsticker--treeview-tree-expand-status | |
896 | :expander-p (lambda (&rest ignore) t) | |
897 | :leaf-icon 'newsticker--tree-widget-leaf-icon | |
898 | :nt-id "vfeeds" | |
899 | :keep '(:nt-id) | |
900 | :open t)) | |
901 | (use-local-map widget-keymap) | |
902 | (widget-setup)) | |
903 | (newsticker-treeview-mode))) | |
904 | ||
905 | (defun newsticker--treeview-propertize-tag (tag &optional num-new nt-id feed | |
906 | vfeed) | |
907 | "Return propertized copy of string TAG. | |
908 | Optional argument NUM-NEW is used for choosing face, other | |
909 | arguments NT-ID, FEED, and VFEED are added as properties." | |
910 | ;;(message "newsticker--treeview-propertize-tag '%s' %s" feed nt-id) | |
911 | (let ((face 'newsticker-treeview-face) | |
912 | (map (make-sparse-keymap))) | |
913 | (if (and num-new (> num-new 0)) | |
914 | (setq face 'newsticker-treeview-new-face)) | |
915 | (define-key map [mouse-1] 'newsticker-treeview-tree-click) | |
916 | (define-key map "\n" 'newsticker-treeview-tree-do-click) | |
917 | (define-key map "\C-m" 'newsticker-treeview-tree-do-click) | |
918 | (propertize tag 'face face 'keymap map | |
919 | :nt-id nt-id | |
920 | :nt-feed feed | |
921 | :nt-vfeed vfeed | |
639fbfe1 | 922 | 'help-echo tag |
2415d4c6 UJ |
923 | 'mouse-face 'highlight))) |
924 | ||
925 | (defun newsticker--treeview-tree-get-tag (feed-name vfeed-name | |
926 | &optional nt-id) | |
927 | "Return a tag string for either FEED-NAME or, if it is nil, for VFEED-NAME. | |
928 | Optional argument NT-ID is added to the tag's properties." | |
929 | (let (tag (num-new 0)) | |
930 | (cond (vfeed-name | |
931 | (cond ((string= vfeed-name "new") | |
932 | (setq num-new (newsticker--stat-num-items-total 'new)) | |
933 | (setq tag (format "New items (%d)" num-new))) | |
934 | ((string= vfeed-name "immortal") | |
935 | (setq num-new (newsticker--stat-num-items-total 'immortal)) | |
936 | (setq tag (format "Immortal items (%d)" num-new))) | |
937 | ((string= vfeed-name "obsolete") | |
938 | (setq num-new (newsticker--stat-num-items-total 'obsolete)) | |
939 | (setq tag (format "Obsolete items (%d)" num-new))) | |
940 | ((string= vfeed-name "all") | |
941 | (setq num-new (newsticker--stat-num-items-total)) | |
942 | (setq tag (format "All items (%d)" num-new))))) | |
943 | (feed-name | |
944 | (setq num-new (newsticker--stat-num-items-for-group | |
945 | (intern feed-name) 'new 'immortal)) | |
946 | (setq tag | |
947 | (format "%s (%d)" | |
948 | (newsticker--real-feed-name (intern feed-name)) | |
949 | num-new)))) | |
950 | (if tag | |
951 | (newsticker--treeview-propertize-tag tag num-new | |
952 | nt-id | |
953 | feed-name vfeed-name)))) | |
954 | ||
955 | (defun newsticker--stat-num-items-for-group (feed-name-symbol &rest ages) | |
956 | "Count number of items in feed FEED-NAME-SYMBOL that have an age matching AGES." | |
957 | ;;(message "newsticker--stat-num-items-for-group %s %s" feed-name-symbol ages) | |
958 | (let ((result (apply 'newsticker--stat-num-items feed-name-symbol ages))) | |
959 | (mapc (lambda (f-n) | |
960 | (setq result (+ result | |
961 | (apply 'newsticker--stat-num-items (intern f-n) | |
962 | ages)))) | |
963 | (newsticker--group-get-feeds | |
964 | (newsticker--group-get-group (symbol-name feed-name-symbol)) t)) | |
965 | result)) | |
966 | ||
967 | (defun newsticker--treeview-count-node-items (feed &optional isvirtual) | |
968 | "Count number of relevant items for a treeview node. | |
969 | FEED gives the name of the feed or group. If ISVIRTUAL is non-nil | |
970 | the feed is a virtual feed." | |
971 | (let* ((num-new 0)) | |
972 | (if feed | |
973 | (if isvirtual | |
974 | (cond ((string= feed "new") | |
975 | (setq num-new (newsticker--stat-num-items-total 'new))) | |
976 | ((string= feed "immortal") | |
977 | (setq num-new (newsticker--stat-num-items-total 'immortal))) | |
978 | ((string= feed "obsolete") | |
979 | (setq num-new (newsticker--stat-num-items-total 'obsolete))) | |
980 | ((string= feed "all") | |
981 | (setq num-new (newsticker--stat-num-items-total)))) | |
982 | (setq num-new (newsticker--stat-num-items-for-group | |
983 | (intern feed) 'new 'immortal)))) | |
984 | num-new)) | |
985 | ||
986 | (defun newsticker--treeview-tree-update-tag (w &optional recursive | |
987 | &rest ignore) | |
988 | "Update tag for tree widget W. | |
989 | If RECURSIVE is non-nil recursively update parent widgets as | |
990 | well. Argument IGNORE is ignored. Note that this function, if | |
991 | called recursively, makes w invalid. You should keep w's nt-id in | |
992 | that case." | |
2415d4c6 UJ |
993 | (let* ((parent (widget-get w :parent)) |
994 | (feed (or (widget-get w :nt-feed) (widget-get parent :nt-feed))) | |
995 | (vfeed (or (widget-get w :nt-vfeed) (widget-get parent :nt-vfeed))) | |
996 | (nt-id (or (widget-get w :nt-id) (widget-get parent :nt-id))) | |
997 | (num-new (newsticker--treeview-count-node-items (or feed vfeed) | |
998 | vfeed)) | |
999 | (tag (newsticker--treeview-tree-get-tag feed vfeed nt-id)) | |
1000 | (n (widget-get w :node))) | |
1001 | (if parent | |
1002 | (if recursive | |
1003 | (newsticker--treeview-tree-update-tag parent))) | |
1004 | (when tag | |
1005 | (when n | |
1006 | (widget-put n :tag tag)) | |
1007 | (widget-put w :num-new num-new) | |
1008 | (widget-put w :tag tag) | |
1009 | (when (marker-position (widget-get w :from)) | |
1010 | (let ((p (point)) | |
1011 | (notify (widget-get w :notify))) | |
1012 | ;; FIXME: This moves point!!!! | |
9a529312 | 1013 | (with-current-buffer (newsticker--treeview-tree-buffer) |
2415d4c6 UJ |
1014 | (widget-value-set w (widget-value w))) |
1015 | (goto-char p)))))) | |
a66bb4d5 | 1016 | |
2415d4c6 UJ |
1017 | (defun newsticker--treeview-tree-do-update-tags (widget) |
1018 | "Actually recursively update tags for WIDGET." | |
1019 | (save-excursion | |
1020 | (let ((children (widget-get widget :children))) | |
1021 | (dolist (w children) | |
1022 | (newsticker--treeview-tree-do-update-tags w)) | |
1023 | (newsticker--treeview-tree-update-tag widget)))) | |
1024 | ||
1025 | (defun newsticker--treeview-tree-update-tags (&rest ignore) | |
1026 | "Update all tags of all trees. | |
1027 | Arguments IGNORE are ignored." | |
1028 | (save-current-buffer | |
1029 | (set-buffer (newsticker--treeview-tree-buffer)) | |
1030 | (let ((inhibit-read-only t)) | |
1031 | (newsticker--treeview-tree-do-update-tags | |
1032 | newsticker--treeview-feed-tree) | |
1033 | (newsticker--treeview-tree-do-update-tags | |
1034 | newsticker--treeview-vfeed-tree)) | |
1035 | (tree-widget-set-theme "folder"))) | |
1036 | ||
1037 | (defun newsticker--treeview-tree-update-highlight () | |
1038 | "Update highlight in tree buffer." | |
1039 | (let ((pos (widget-get (newsticker--treeview-get-current-node) :from))) | |
1040 | (unless (or (integerp pos) (and (markerp pos) (marker-position pos))) | |
1041 | (setq pos (widget-get (widget-get | |
1042 | (newsticker--treeview-get-current-node) | |
1043 | :parent) :from))) | |
1044 | (when (or (integerp pos) (and (markerp pos) (marker-position pos))) | |
9a529312 | 1045 | (with-current-buffer (newsticker--treeview-tree-buffer) |
2415d4c6 UJ |
1046 | (goto-char pos) |
1047 | (move-overlay newsticker--tree-selection-overlay | |
2d84f804 | 1048 | (point-at-bol) (1+ (point-at-eol)) |
2415d4c6 | 1049 | (current-buffer))) |
c9aafaaf UJ |
1050 | (if (window-live-p (newsticker--treeview-tree-window)) |
1051 | (set-window-point (newsticker--treeview-tree-window) pos))))) | |
2415d4c6 UJ |
1052 | |
1053 | ;; ====================================================================== | |
1054 | ;;; Toolbar | |
1055 | ;; ====================================================================== | |
2415d4c6 UJ |
1056 | (defvar newsticker-treeview-tool-bar-map |
1057 | (if (featurep 'xemacs) | |
1058 | nil | |
a66bb4d5 GM |
1059 | (if (boundp 'tool-bar-map) |
1060 | (let ((tool-bar-map (make-sparse-keymap))) | |
42c7e61e UJ |
1061 | (tool-bar-add-item "newsticker/prev-feed" |
1062 | 'newsticker-treeview-prev-feed | |
1063 | 'newsticker-treeview-prev-feed | |
1064 | :help "Go to previous feed" | |
1065 | ;;:enable '(newsticker-previous-feed-available-p) FIXME | |
1066 | ) | |
1067 | (tool-bar-add-item "newsticker/prev-item" | |
1068 | 'newsticker-treeview-prev-item | |
1069 | 'newsticker-treeview-prev-item | |
1070 | :help "Go to previous item" | |
1071 | ;;:enable '(newsticker-previous-item-available-p) FIXME | |
1072 | ) | |
1073 | (tool-bar-add-item "newsticker/next-item" | |
1074 | 'newsticker-treeview-next-item | |
1075 | 'newsticker-treeview-next-item | |
1076 | :visible t | |
1077 | :help "Go to next item" | |
1078 | ;;:enable '(newsticker-next-item-available-p) FIXME | |
1079 | ) | |
1080 | (tool-bar-add-item "newsticker/next-feed" | |
1081 | 'newsticker-treeview-next-feed | |
1082 | 'newsticker-treeview-next-feed | |
1083 | :help "Go to next feed" | |
1084 | ;;:enable '(newsticker-next-feed-available-p) FIXME | |
1085 | ) | |
1086 | (tool-bar-add-item "newsticker/mark-immortal" | |
1087 | 'newsticker-treeview-toggle-item-immortal | |
1088 | 'newsticker-treeview-toggle-item-immortal | |
1089 | :help "Toggle current item as immortal" | |
1090 | ;;:enable '(newsticker-item-not-immortal-p) FIXME | |
1091 | ) | |
1092 | (tool-bar-add-item "newsticker/mark-read" | |
1093 | 'newsticker-treeview-mark-item-old | |
1094 | 'newsticker-treeview-mark-item-old | |
1095 | :help "Mark current item as read" | |
1096 | ;;:enable '(newsticker-item-not-old-p) FIXME | |
1097 | ) | |
1098 | (tool-bar-add-item "newsticker/get-all" | |
1099 | 'newsticker-get-all-news | |
1100 | 'newsticker-get-all-news | |
1101 | :help "Get news for all feeds") | |
1102 | (tool-bar-add-item "newsticker/update" | |
1103 | 'newsticker-treeview-update | |
1104 | 'newsticker-treeview-update | |
1105 | :help "Update newsticker buffer") | |
1106 | (tool-bar-add-item "newsticker/browse-url" | |
1107 | 'newsticker-browse-url | |
1108 | 'newsticker-browse-url | |
1109 | :help "Browse URL for item at point") | |
1110 | ;; standard icons / actions | |
a66bb4d5 GM |
1111 | (define-key tool-bar-map [newsticker-sep-1] |
1112 | (list 'menu-item "--double-line")) | |
a66bb4d5 GM |
1113 | (tool-bar-add-item "close" |
1114 | 'newsticker-treeview-quit | |
1115 | 'newsticker-treeview-quit | |
1116 | :help "Close newsticker") | |
1117 | (tool-bar-add-item "preferences" | |
1118 | 'newsticker-customize | |
1119 | 'newsticker-customize | |
1120 | :help "Customize newsticker") | |
1121 | tool-bar-map)))) | |
2415d4c6 UJ |
1122 | |
1123 | ;; ====================================================================== | |
1124 | ;;; actions | |
1125 | ;; ====================================================================== | |
1126 | ||
1127 | (defun newsticker-treeview-mouse-browse-url (event) | |
1128 | "Call `browse-url' for the link of the item at which the EVENT occurred." | |
1129 | (interactive "e") | |
1130 | (save-excursion | |
1131 | (switch-to-buffer (window-buffer (posn-window (event-end event)))) | |
1132 | (let ((url (get-text-property (posn-point (event-end event)) | |
1133 | :nt-link))) | |
1134 | (when url | |
1135 | (browse-url url) | |
1136 | (if newsticker-automatically-mark-visited-items-as-old | |
1137 | (newsticker-treeview-mark-item-old)))))) | |
1138 | ||
1139 | (defun newsticker-treeview-browse-url () | |
1140 | "Call `browse-url' for the link of the item at point." | |
1141 | (interactive) | |
9a529312 | 1142 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
1143 | (let ((url (get-text-property (point) :nt-link))) |
1144 | (when url | |
1145 | (browse-url url) | |
1146 | (if newsticker-automatically-mark-visited-items-as-old | |
1147 | (newsticker-treeview-mark-item-old)))))) | |
1148 | ||
1149 | (defun newsticker--treeview-buffer-init () | |
1150 | "Initialize all treeview buffers." | |
1151 | (setq newsticker--treeview-buffers nil) | |
1152 | (add-to-list 'newsticker--treeview-buffers | |
1153 | (get-buffer-create "*Newsticker Tree*") t) | |
1154 | (add-to-list 'newsticker--treeview-buffers | |
1155 | (get-buffer-create "*Newsticker List*") t) | |
1156 | (add-to-list 'newsticker--treeview-buffers | |
1157 | (get-buffer-create "*Newsticker Item*") t) | |
1158 | ||
1159 | (unless newsticker--selection-overlay | |
9a529312 | 1160 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
1161 | (setq newsticker--selection-overlay (make-overlay (point-min) |
1162 | (point-max))) | |
1163 | (overlay-put newsticker--selection-overlay 'face | |
1164 | 'newsticker-treeview-selection-face))) | |
1165 | (unless newsticker--tree-selection-overlay | |
9a529312 | 1166 | (with-current-buffer (newsticker--treeview-tree-buffer) |
2415d4c6 UJ |
1167 | (setq newsticker--tree-selection-overlay (make-overlay (point-min) |
1168 | (point-max))) | |
1169 | (overlay-put newsticker--tree-selection-overlay 'face | |
1170 | 'newsticker-treeview-selection-face))) | |
1171 | ||
1172 | (newsticker--treeview-tree-update) | |
1173 | (newsticker--treeview-list-update t) | |
1174 | (newsticker--treeview-item-update)) | |
1175 | ||
1176 | (defun newsticker-treeview-update () | |
c9aafaaf UJ |
1177 | "Update all treeview buffers and windows. |
1178 | Note: does not update the layout." | |
2415d4c6 | 1179 | (interactive) |
0c74a301 | 1180 | (let ((cur-item (newsticker--treeview-get-selected-item))) |
dba0634a UJ |
1181 | (if (newsticker--group-manage-orphan-feeds) |
1182 | (newsticker--treeview-tree-update)) | |
0c74a301 UJ |
1183 | (newsticker--treeview-list-update t) |
1184 | (newsticker--treeview-item-update) | |
1185 | (newsticker--treeview-tree-update-tags) | |
1186 | (cond (newsticker--treeview-current-feed | |
1187 | (newsticker--treeview-list-items newsticker--treeview-current-feed)) | |
1188 | (newsticker--treeview-current-vfeed | |
1189 | (newsticker--treeview-list-items-with-age | |
1190 | (intern newsticker--treeview-current-vfeed)))) | |
1191 | (newsticker--treeview-tree-update-highlight) | |
1192 | (newsticker--treeview-list-update-highlight) | |
1193 | (let ((cur-feed (or newsticker--treeview-current-feed | |
1194 | newsticker--treeview-current-vfeed))) | |
1195 | (if (and cur-feed cur-item) | |
1196 | (newsticker--treeview-list-select cur-item))))) | |
2415d4c6 UJ |
1197 | |
1198 | (defun newsticker-treeview-quit () | |
1199 | "Quit newsticker treeview." | |
1200 | (interactive) | |
2415d4c6 | 1201 | (setq newsticker--sentinel-callback nil) |
2415d4c6 UJ |
1202 | (bury-buffer "*Newsticker Tree*") |
1203 | (bury-buffer "*Newsticker List*") | |
1204 | (bury-buffer "*Newsticker Item*") | |
1205 | (set-window-configuration newsticker--saved-window-config) | |
1206 | (when newsticker--frame | |
1207 | (if (frame-live-p newsticker--frame) | |
1208 | (delete-frame newsticker--frame)) | |
77a01f9b UJ |
1209 | (setq newsticker--frame nil)) |
1210 | (newsticker-treeview-save)) | |
2415d4c6 UJ |
1211 | |
1212 | (defun newsticker-treeview-save () | |
1213 | "Save newsticker data including treeview settings." | |
1214 | (interactive) | |
9a529312 SM |
1215 | (let ((coding-system-for-write 'utf-8) |
1216 | (buf (find-file-noselect (concat newsticker-dir "/groups")))) | |
1217 | (when buf | |
1218 | (with-current-buffer buf | |
2415d4c6 UJ |
1219 | (setq buffer-undo-list t) |
1220 | (erase-buffer) | |
1221 | (insert ";; -*- coding: utf-8 -*-\n") | |
1222 | (insert (prin1-to-string newsticker-groups)) | |
908e900d UJ |
1223 | (save-buffer) |
1224 | (kill-buffer))))) | |
2415d4c6 UJ |
1225 | |
1226 | (defun newsticker--treeview-load () | |
1227 | "Load treeview settings." | |
1228 | (let* ((coding-system-for-read 'utf-8) | |
a59c6c51 UJ |
1229 | (filename |
1230 | (or (and (file-exists-p newsticker-groups-filename) | |
1231 | (y-or-n-p | |
1232 | (format "Old newsticker groups (%s) file exists. Read it? " | |
1233 | newsticker-groups-filename)) | |
1234 | newsticker-groups-filename) | |
1235 | (concat newsticker-dir "/groups"))) | |
77a01f9b UJ |
1236 | (buf (and (file-exists-p filename) |
1237 | (find-file-noselect filename)))) | |
12272241 JB |
1238 | (and (file-exists-p newsticker-groups-filename) |
1239 | (y-or-n-p (format "Delete old newsticker groups file? ")) | |
1240 | (delete-file newsticker-groups-filename)) | |
2415d4c6 UJ |
1241 | (when buf |
1242 | (set-buffer buf) | |
1243 | (goto-char (point-min)) | |
1244 | (condition-case nil | |
1245 | (setq newsticker-groups (read buf)) | |
1246 | (error | |
1247 | (message "Error while reading newsticker groups file!") | |
908e900d UJ |
1248 | (setq newsticker-groups nil))) |
1249 | (kill-buffer buf)))) | |
2415d4c6 UJ |
1250 | |
1251 | ||
1252 | (defun newsticker-treeview-scroll-item () | |
1253 | "Scroll current item." | |
1254 | (interactive) | |
1255 | (save-selected-window | |
1256 | (select-window (newsticker--treeview-item-window) t) | |
1257 | (scroll-up 1))) | |
1258 | ||
1259 | (defun newsticker-treeview-show-item () | |
1260 | "Show current item." | |
1261 | (interactive) | |
c9aafaaf | 1262 | (newsticker--treeview-restore-layout) |
2415d4c6 | 1263 | (newsticker--treeview-list-update-highlight) |
9a529312 | 1264 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
1265 | (beginning-of-line) |
1266 | (let ((item (get-text-property (point) :nt-item)) | |
1267 | (feed (get-text-property (point) :nt-feed))) | |
1268 | (newsticker--treeview-item-show item feed))) | |
1269 | (newsticker--treeview-tree-update-tag | |
1270 | (newsticker--treeview-get-current-node) t) | |
1271 | (newsticker--treeview-tree-update-highlight)) | |
1272 | ||
1273 | (defun newsticker-treeview-next-item () | |
1274 | "Move to next item." | |
1275 | (interactive) | |
c9aafaaf | 1276 | (newsticker--treeview-restore-layout) |
2415d4c6 UJ |
1277 | (save-current-buffer |
1278 | (set-buffer (newsticker--treeview-list-buffer)) | |
1279 | (if (newsticker--treeview-list-highlight-start) | |
1280 | (forward-line 1)) | |
1281 | (if (eobp) | |
1282 | (forward-line -1))) | |
1283 | (newsticker-treeview-show-item)) | |
1284 | ||
1285 | (defun newsticker-treeview-prev-item () | |
1286 | "Move to previous item." | |
1287 | (interactive) | |
c9aafaaf | 1288 | (newsticker--treeview-restore-layout) |
2415d4c6 UJ |
1289 | (save-current-buffer |
1290 | (set-buffer (newsticker--treeview-list-buffer)) | |
1291 | (forward-line -1)) | |
1292 | (newsticker-treeview-show-item)) | |
1293 | ||
a8c98868 | 1294 | (defun newsticker-treeview-next-new-or-immortal-item (&optional |
201af049 UJ |
1295 | current-item-counts |
1296 | dont-wrap-trees) | |
a8c98868 UJ |
1297 | "Move to next new or immortal item. |
1298 | Will move to next feed until an item is found. Will not move if | |
1299 | optional argument CURRENT-ITEM-COUNTS is t and current item is | |
0c74a301 UJ |
1300 | new or immortal. Will not move from virtual to ordinary feed |
1301 | tree or vice versa if optional argument DONT-WRAP-TREES is non-nil." | |
2415d4c6 | 1302 | (interactive) |
c9aafaaf | 1303 | (newsticker--treeview-restore-layout) |
2415d4c6 | 1304 | (newsticker--treeview-list-clear-highlight) |
a8c98868 UJ |
1305 | (unless (catch 'found |
1306 | (let ((move (not current-item-counts))) | |
1307 | (while t | |
1308 | (save-current-buffer | |
1309 | (set-buffer (newsticker--treeview-list-buffer)) | |
1310 | (when move (forward-line 1) | |
1311 | (when (eobp) | |
1312 | (forward-line -1) | |
1313 | (throw 'found nil)))) | |
1314 | (when (memq (newsticker--age | |
1315 | (newsticker--treeview-get-selected-item)) | |
1316 | '(new immortal)) | |
1317 | (newsticker-treeview-show-item) | |
1318 | (throw 'found t)) | |
1319 | (setq move t)))) | |
201af049 UJ |
1320 | (let ((wrap-trees (not dont-wrap-trees))) |
1321 | (when (or (newsticker-treeview-next-feed t) | |
1322 | (and wrap-trees (newsticker--treeview-first-feed))) | |
1323 | (newsticker-treeview-next-new-or-immortal-item t t))))) | |
2415d4c6 UJ |
1324 | |
1325 | (defun newsticker-treeview-prev-new-or-immortal-item () | |
a8c98868 UJ |
1326 | "Move to previous new or immortal item. |
1327 | Will move to previous feed until an item is found." | |
2415d4c6 | 1328 | (interactive) |
c9aafaaf | 1329 | (newsticker--treeview-restore-layout) |
2415d4c6 | 1330 | (newsticker--treeview-list-clear-highlight) |
a8c98868 UJ |
1331 | (unless (catch 'found |
1332 | (while t | |
1333 | (save-current-buffer | |
1334 | (set-buffer (newsticker--treeview-list-buffer)) | |
1335 | (when (bobp) | |
1336 | (throw 'found nil)) | |
1337 | (forward-line -1)) | |
1338 | (when (memq (newsticker--age | |
1339 | (newsticker--treeview-get-selected-item)) | |
1340 | '(new immortal)) | |
1341 | (newsticker-treeview-show-item) | |
1342 | (throw 'found t)) | |
1343 | (when (bobp) | |
1344 | (throw 'found nil)))) | |
1345 | (when (newsticker-treeview-prev-feed t) | |
1346 | (set-buffer (newsticker--treeview-list-buffer)) | |
1347 | (goto-char (point-max)) | |
1348 | (newsticker-treeview-prev-new-or-immortal-item)))) | |
2415d4c6 UJ |
1349 | |
1350 | (defun newsticker--treeview-get-selected-item () | |
1351 | "Return item that is currently selected in list buffer." | |
9a529312 | 1352 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
1353 | (beginning-of-line) |
1354 | (get-text-property (point) :nt-item))) | |
1355 | ||
1356 | (defun newsticker-treeview-mark-item-old (&optional dont-proceed) | |
1357 | "Mark current item as old unless it is obsolete. | |
1358 | Move to next item unless DONT-PROCEED is non-nil." | |
1359 | (interactive) | |
1360 | (let ((item (newsticker--treeview-get-selected-item))) | |
1361 | (unless (eq (newsticker--age item) 'obsolete) | |
1362 | (newsticker--treeview-mark-item item 'old))) | |
1363 | (unless dont-proceed | |
1364 | (newsticker-treeview-next-item))) | |
1365 | ||
1366 | (defun newsticker-treeview-toggle-item-immortal () | |
1367 | "Toggle immortality of current item." | |
1368 | (interactive) | |
1369 | (let* ((item (newsticker--treeview-get-selected-item)) | |
1370 | (new-age (if (eq (newsticker--age item) 'immortal) | |
1371 | 'old | |
1372 | 'immortal))) | |
1373 | (newsticker--treeview-mark-item item new-age) | |
1374 | (newsticker-treeview-next-item))) | |
1375 | ||
1376 | (defun newsticker--treeview-mark-item (item new-age) | |
1377 | "Mark ITEM with NEW-AGE." | |
1378 | (when item | |
1379 | (setcar (nthcdr 4 item) new-age) | |
1380 | ;; clean up ticker FIXME | |
c9aafaaf | 1381 | ) |
a59c6c51 UJ |
1382 | (newsticker--cache-save-feed |
1383 | (newsticker--cache-get-feed (intern newsticker--treeview-current-feed))) | |
1384 | (newsticker--treeview-tree-do-update-tags newsticker--treeview-vfeed-tree)) | |
2415d4c6 UJ |
1385 | |
1386 | (defun newsticker-treeview-mark-list-items-old () | |
1387 | "Mark all listed items as old." | |
1388 | (interactive) | |
1389 | (let ((current-feed (or newsticker--treeview-current-feed | |
1390 | newsticker--treeview-current-vfeed))) | |
9a529312 | 1391 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
1392 | (goto-char (point-min)) |
1393 | (while (not (eobp)) | |
1394 | (let ((item (get-text-property (point) :nt-item))) | |
1395 | (unless (memq (newsticker--age item) '(immortal obsolete)) | |
1396 | (newsticker--treeview-mark-item item 'old))) | |
1397 | (forward-line 1))) | |
1398 | (newsticker--treeview-tree-update-tags) | |
1399 | (if current-feed | |
1400 | (newsticker-treeview-jump current-feed)))) | |
1401 | ||
1402 | (defun newsticker-treeview-save-item () | |
1403 | "Save current item." | |
1404 | (interactive) | |
1405 | (newsticker-save-item (or newsticker--treeview-current-feed | |
1406 | newsticker--treeview-current-vfeed) | |
1407 | (newsticker--treeview-get-selected-item))) | |
1408 | ||
4367e4b2 UJ |
1409 | (defun newsticker-treeview-browse-url-item () |
1410 | "Convert current item to HTML and call `browse-url' on result." | |
1411 | (interactive) | |
1412 | (newsticker-browse-url-item (or newsticker--treeview-current-feed | |
1413 | newsticker--treeview-current-vfeed) | |
1414 | (newsticker--treeview-get-selected-item))) | |
1415 | ||
2415d4c6 UJ |
1416 | (defun newsticker--treeview-set-current-node (node) |
1417 | "Make NODE the current node." | |
9a529312 | 1418 | (with-current-buffer (newsticker--treeview-tree-buffer) |
2415d4c6 UJ |
1419 | (setq newsticker--treeview-current-node-id |
1420 | (widget-get node :nt-id)) | |
1421 | (setq newsticker--treeview-current-feed (widget-get node :nt-feed)) | |
1422 | (setq newsticker--treeview-current-vfeed (widget-get node :nt-vfeed)) | |
2415d4c6 UJ |
1423 | (newsticker--treeview-tree-update-highlight))) |
1424 | ||
1425 | (defun newsticker--treeview-get-first-child (node) | |
1426 | "Get first child of NODE." | |
1427 | (let ((children (widget-get node :children))) | |
1428 | (if children | |
1429 | (car children) | |
1430 | nil))) | |
1431 | ||
1432 | (defun newsticker--treeview-get-second-child (node) | |
1433 | "Get scond child of NODE." | |
1434 | (let ((children (widget-get node :children))) | |
1435 | (if children | |
1436 | (car (cdr children)) | |
1437 | nil))) | |
1438 | ||
1439 | (defun newsticker--treeview-get-last-child (node) | |
1440 | "Get last child of NODE." | |
1441 | ;;(message "newsticker--treeview-get-last-child %s" (widget-get node :tag)) | |
1442 | (let ((children (widget-get node :children))) | |
1443 | (if children | |
1444 | (car (reverse children)) | |
1445 | nil))) | |
1446 | ||
1447 | (defun newsticker--treeview-get-feed-vfeed (node) | |
1448 | "Get (virtual) feed of NODE." | |
1449 | (or (widget-get node :nt-feed) (widget-get node :nt-vfeed))) | |
1450 | ||
1451 | (defun newsticker--treeview-get-next-sibling (node) | |
1452 | "Get next sibling of NODE." | |
1453 | (let ((parent (widget-get node :parent))) | |
1454 | (catch 'found | |
1455 | (let ((children (widget-get parent :children))) | |
1456 | (while children | |
1457 | (if (newsticker--treeview-nodes-eq (car children) node) | |
1458 | (throw 'found (car (cdr children)))) | |
1459 | (setq children (cdr children))))))) | |
1460 | ||
1461 | (defun newsticker--treeview-get-prev-sibling (node) | |
1462 | "Get previous sibling of NODE." | |
1463 | (let ((parent (widget-get node :parent))) | |
1464 | (catch 'found | |
1465 | (let ((children (widget-get parent :children)) | |
1466 | (prev nil)) | |
1467 | (while children | |
1468 | (if (and (newsticker--treeview-nodes-eq (car children) node) | |
1469 | (widget-get prev :nt-id)) | |
1470 | (throw 'found prev)) | |
1471 | (setq prev (car children)) | |
1472 | (setq children (cdr children))))))) | |
1473 | ||
1474 | (defun newsticker--treeview-get-next-uncle (node) | |
1475 | "Get next uncle of NODE, i.e. parent's next sibling." | |
1476 | (let* ((parent (widget-get node :parent)) | |
1477 | (grand-parent (widget-get parent :parent))) | |
1478 | (catch 'found | |
1479 | (let ((uncles (widget-get grand-parent :children))) | |
1480 | (while uncles | |
1481 | (if (newsticker--treeview-nodes-eq (car uncles) parent) | |
1482 | (throw 'found (car (cdr uncles)))) | |
1483 | (setq uncles (cdr uncles))))))) | |
1484 | ||
1485 | (defun newsticker--treeview-get-prev-uncle (node) | |
1486 | "Get previous uncle of NODE, i.e. parent's previous sibling." | |
1487 | (let* ((parent (widget-get node :parent)) | |
1488 | (grand-parent (widget-get parent :parent))) | |
1489 | (catch 'found | |
1490 | (let ((uncles (widget-get grand-parent :children)) | |
1491 | (prev nil)) | |
1492 | (while uncles | |
1493 | (if (newsticker--treeview-nodes-eq (car uncles) parent) | |
1494 | (throw 'found prev)) | |
1495 | (setq prev (car uncles)) | |
1496 | (setq uncles (cdr uncles))))))) | |
1497 | ||
1498 | (defun newsticker--treeview-get-other-tree () | |
1499 | "Get other tree." | |
1500 | (if (and (newsticker--treeview-get-current-node) | |
1501 | (widget-get (newsticker--treeview-get-current-node) :nt-feed)) | |
1502 | newsticker--treeview-vfeed-tree | |
1503 | newsticker--treeview-feed-tree)) | |
1504 | ||
1505 | (defun newsticker--treeview-activate-node (node &optional backward) | |
1506 | "Activate NODE. | |
1507 | If NODE is a tree widget the node's first subnode is activated. | |
1508 | If BACKWARD is non-nil the last subnode of the previous sibling | |
1509 | is activated." | |
1510 | (newsticker--treeview-set-current-node node) | |
1511 | (save-current-buffer | |
1512 | (set-buffer (newsticker--treeview-tree-buffer)) | |
1513 | (cond ((eq (widget-type node) 'tree-widget) | |
1514 | (unless (widget-get node :open) | |
1515 | (widget-put node :open nil) | |
1516 | (widget-apply-action node)) | |
1517 | (newsticker--treeview-activate-node | |
1518 | (if backward | |
1519 | (newsticker--treeview-get-last-child node) | |
1520 | (newsticker--treeview-get-second-child node)))) | |
1521 | (node | |
1522 | (widget-apply-action node))))) | |
1523 | ||
80016d6e | 1524 | (defun newsticker--treeview-first-feed () |
0c74a301 | 1525 | "Jump to the depth-first feed in the `newsticker-groups' tree." |
80016d6e UJ |
1526 | (newsticker-treeview-jump |
1527 | (car (reverse (newsticker--group-get-feeds newsticker-groups t))))) | |
1528 | ||
a8c98868 UJ |
1529 | (defun newsticker-treeview-next-feed (&optional stay-in-tree) |
1530 | "Move to next feed. | |
1531 | Optional argument STAY-IN-TREE prevents moving from real feed | |
1532 | tree to virtual feed tree or vice versa. | |
1533 | Return t if a new feed was activated, nil otherwise." | |
2415d4c6 | 1534 | (interactive) |
c9aafaaf | 1535 | (newsticker--treeview-restore-layout) |
a8c98868 UJ |
1536 | (let ((cur (newsticker--treeview-get-current-node)) |
1537 | (new nil)) | |
80016d6e UJ |
1538 | (setq new |
1539 | (if cur | |
1540 | (or (newsticker--treeview-get-next-sibling cur) | |
1541 | (newsticker--treeview-get-next-uncle cur) | |
1542 | (and (not stay-in-tree) | |
1543 | (newsticker--treeview-get-other-tree))) | |
1544 | (car (widget-get newsticker--treeview-feed-tree :children)))) | |
1545 | (if new | |
1546 | (progn | |
1547 | (newsticker--treeview-activate-node new) | |
1548 | (newsticker--treeview-tree-update-highlight) | |
1549 | (not (eq new cur))) | |
a8c98868 | 1550 | nil))) |
2415d4c6 | 1551 | |
a8c98868 UJ |
1552 | (defun newsticker-treeview-prev-feed (&optional stay-in-tree) |
1553 | "Move to previous feed. | |
1554 | Optional argument STAY-IN-TREE prevents moving from real feed | |
1555 | tree to virtual feed tree or vice versa. | |
1556 | Return t if a new feed was activated, nil otherwise." | |
2415d4c6 | 1557 | (interactive) |
c9aafaaf | 1558 | (newsticker--treeview-restore-layout) |
a8c98868 UJ |
1559 | (let ((cur (newsticker--treeview-get-current-node)) |
1560 | (new nil)) | |
2415d4c6 | 1561 | (if cur |
a8c98868 UJ |
1562 | (progn |
1563 | (setq new | |
1564 | (if cur | |
1565 | (or (newsticker--treeview-get-prev-sibling cur) | |
1566 | (newsticker--treeview-get-prev-uncle cur) | |
1567 | (and (not stay-in-tree) | |
1568 | (newsticker--treeview-get-other-tree))) | |
1569 | (car (widget-get newsticker--treeview-feed-tree :children)))) | |
1570 | (if new | |
1571 | (progn | |
1572 | (newsticker--treeview-activate-node new t) | |
1573 | (newsticker--treeview-tree-update-highlight) | |
1574 | (not (eq new cur))) | |
1575 | nil)) | |
1576 | nil))) | |
12272241 | 1577 | |
2415d4c6 UJ |
1578 | (defun newsticker-treeview-next-page () |
1579 | "Scroll item buffer." | |
1580 | (interactive) | |
1581 | (save-selected-window | |
1582 | (select-window (newsticker--treeview-item-window) t) | |
1583 | (condition-case nil | |
1584 | (scroll-up nil) | |
1585 | (error | |
1586 | (goto-char (point-min)))))) | |
1587 | ||
1588 | ||
1589 | (defun newsticker--treeview-unfold-node (feed-name) | |
1590 | "Recursively show subtree above the node that represents FEED-NAME." | |
1591 | (let ((node (newsticker--treeview-get-node-of-feed feed-name))) | |
1592 | (unless node | |
1593 | (let* ((group-name (or (car (newsticker--group-find-group-for-feed | |
1594 | feed-name)) | |
1595 | (newsticker--group-get-parent-group | |
1596 | feed-name)))) | |
1597 | (newsticker--treeview-unfold-node group-name)) | |
1598 | (setq node (newsticker--treeview-get-node-of-feed feed-name))) | |
1599 | (when node | |
9a529312 | 1600 | (with-current-buffer (newsticker--treeview-tree-buffer) |
2415d4c6 UJ |
1601 | (widget-put node :nt-selected t) |
1602 | (widget-apply-action node) | |
1603 | (newsticker--treeview-set-current-node node))))) | |
1604 | ||
1605 | (defun newsticker-treeview-jump (feed-name) | |
1606 | "Jump to feed FEED-NAME in newsticker treeview." | |
1607 | (interactive | |
1608 | (list (let ((completion-ignore-case t)) | |
2415d4c6 UJ |
1609 | (completing-read |
1610 | "Jump to feed: " | |
b0f439fc UJ |
1611 | (append '("new" "obsolete" "immortal" "all") |
1612 | (mapcar 'car (append newsticker-url-list | |
1613 | newsticker-url-list-defaults))) | |
1614 | nil t)))) | |
2415d4c6 UJ |
1615 | (newsticker--treeview-unfold-node feed-name)) |
1616 | ||
1617 | ;; ====================================================================== | |
1618 | ;;; Groups | |
1619 | ;; ====================================================================== | |
1620 | (defun newsticker--group-do-find-group-for-feed (feed-name node) | |
1621 | "Recursively find FEED-NAME in NODE." | |
1622 | (if (member feed-name (cdr node)) | |
1623 | (throw 'found node) | |
1624 | (mapc (lambda (n) | |
1625 | (if (listp n) | |
1626 | (newsticker--group-do-find-group-for-feed feed-name n))) | |
1627 | (cdr node)))) | |
1628 | ||
1629 | (defun newsticker--group-find-group-for-feed (feed-name) | |
1630 | "Find group containing FEED-NAME." | |
1631 | (catch 'found | |
1632 | (newsticker--group-do-find-group-for-feed feed-name | |
1633 | newsticker-groups) | |
1634 | nil)) | |
1635 | ||
1636 | (defun newsticker--group-do-get-group (name node) | |
1637 | "Recursively find group with NAME below NODE." | |
1638 | (if (string= name (car node)) | |
1639 | (throw 'found node) | |
1640 | (mapc (lambda (n) | |
1641 | (if (listp n) | |
1642 | (newsticker--group-do-get-group name n))) | |
1643 | (cdr node)))) | |
1644 | ||
1645 | (defun newsticker--group-get-group (name) | |
1646 | "Find group with NAME." | |
1647 | (catch 'found | |
1648 | (mapc (lambda (n) | |
1649 | (if (listp n) | |
1650 | (newsticker--group-do-get-group name n))) | |
1651 | newsticker-groups) | |
1652 | nil)) | |
1653 | ||
1654 | (defun newsticker--group-do-get-parent-group (name node parent) | |
1655 | "Recursively find parent group for NAME from NODE which is a child of PARENT." | |
1656 | (if (string= name (car node)) | |
1657 | (throw 'found parent) | |
1658 | (mapc (lambda (n) | |
1659 | (if (listp n) | |
1660 | (newsticker--group-do-get-parent-group name n (car node)))) | |
1661 | (cdr node)))) | |
1662 | ||
1663 | (defun newsticker--group-get-parent-group (name) | |
1664 | "Find parent group for group named NAME." | |
1665 | (catch 'found | |
1666 | (mapc (lambda (n) | |
1667 | (if (listp n) | |
1668 | (newsticker--group-do-get-parent-group | |
1669 | name n (car newsticker-groups)))) | |
1670 | newsticker-groups) | |
1671 | nil)) | |
1672 | ||
1673 | ||
1674 | (defun newsticker--group-get-subgroups (group &optional recursive) | |
1675 | "Return list of subgroups for GROUP. | |
1676 | If RECURSIVE is non-nil recursively get subgroups and return a nested list." | |
1677 | (let ((result nil)) | |
1678 | (mapc (lambda (n) | |
1679 | (when (listp n) | |
1680 | (setq result (cons (car n) result)) | |
1681 | (let ((subgroups (newsticker--group-get-subgroups n recursive))) | |
1682 | (when subgroups | |
1683 | (setq result (append subgroups result)))))) | |
1684 | group) | |
1685 | result)) | |
1686 | ||
1687 | (defun newsticker--group-all-groups () | |
1688 | "Return nested list of all groups." | |
1689 | (newsticker--group-get-subgroups newsticker-groups t)) | |
1690 | ||
1691 | (defun newsticker--group-get-feeds (group &optional recursive) | |
1692 | "Return list of all feeds in GROUP. | |
1693 | If RECURSIVE is non-nil recursively get feeds of subgroups and | |
1694 | return a nested list." | |
1695 | (let ((result nil)) | |
1696 | (mapc (lambda (n) | |
1697 | (if (not (listp n)) | |
1698 | (setq result (cons n result)) | |
1699 | (if recursive | |
1700 | (let ((subfeeds (newsticker--group-get-feeds n t))) | |
1701 | (when subfeeds | |
1702 | (setq result (append subfeeds result))))))) | |
80016d6e | 1703 | (cdr group)) |
2415d4c6 UJ |
1704 | result)) |
1705 | ||
1706 | (defun newsticker-group-add-group (name parent) | |
1707 | "Add group NAME to group PARENT." | |
1708 | (interactive | |
1709 | (list (read-string "Group Name: ") | |
1710 | (let ((completion-ignore-case t)) | |
2415d4c6 UJ |
1711 | (completing-read "Parent Group: " (newsticker--group-all-groups) |
1712 | nil t)))) | |
2415d4c6 UJ |
1713 | (if (newsticker--group-get-group name) |
1714 | (error "Group %s exists already" name)) | |
1715 | (let ((p (if (and parent (not (string= parent ""))) | |
1716 | (newsticker--group-get-group parent) | |
1717 | newsticker-groups))) | |
1718 | (unless p | |
1719 | (error "Parent %s does not exist" parent)) | |
1720 | (setcdr p (cons (list name) (cdr p)))) | |
1721 | (newsticker--treeview-tree-update)) | |
1722 | ||
1723 | (defun newsticker-group-move-feed (name group-name &optional no-update) | |
1724 | "Move feed NAME to group GROUP-NAME. | |
204f3953 | 1725 | Update treeview afterwards unless NO-UPDATE is non-nil." |
2415d4c6 UJ |
1726 | (interactive |
1727 | (let ((completion-ignore-case t)) | |
2415d4c6 UJ |
1728 | (list (completing-read "Feed Name: " |
1729 | (mapcar 'car newsticker-url-list) | |
1730 | nil t newsticker--treeview-current-feed) | |
1731 | (completing-read "Group Name: " (newsticker--group-all-groups) | |
1732 | nil t)))) | |
2415d4c6 UJ |
1733 | (let ((group (if (and group-name (not (string= group-name ""))) |
1734 | (newsticker--group-get-group group-name) | |
1735 | newsticker-groups))) | |
1736 | (unless group | |
1737 | (error "Group %s does not exist" group-name)) | |
1738 | (while (let ((old-group | |
1739 | (newsticker--group-find-group-for-feed name))) | |
1740 | (when old-group | |
1741 | (delete name old-group)) | |
1742 | old-group)) | |
1743 | (setcdr group (cons name (cdr group))) | |
1744 | (unless no-update | |
1745 | (newsticker--treeview-tree-update) | |
1746 | (newsticker-treeview-update)))) | |
1747 | ||
1748 | (defun newsticker-group-delete-group (name) | |
1749 | "Remove group NAME." | |
1750 | (interactive | |
1751 | (let ((completion-ignore-case t)) | |
2415d4c6 UJ |
1752 | (list (completing-read "Group Name: " (newsticker--group-all-groups) |
1753 | nil t)))) | |
2415d4c6 UJ |
1754 | (let* ((g (newsticker--group-get-group name)) |
1755 | (p (or (newsticker--group-get-parent-group name) | |
1756 | newsticker-groups))) | |
1757 | (unless g | |
1758 | (error "Group %s does not exist" name)) | |
1759 | (delete g p)) | |
1760 | (newsticker--treeview-tree-update)) | |
1761 | ||
1762 | (defun newsticker--count-groups (group) | |
1763 | "Recursively count number of subgroups of GROUP." | |
1764 | (let ((result 1)) | |
1765 | (mapc (lambda (g) | |
1766 | (if (listp g) | |
1767 | (setq result (+ result (newsticker--count-groups g))))) | |
1768 | (cdr group)) | |
1769 | result)) | |
1770 | ||
1771 | (defun newsticker--count-grouped-feeds (group) | |
1772 | "Recursively count number of feeds in GROUP and its subgroups." | |
1773 | (let ((result 0)) | |
1774 | (mapc (lambda (g) | |
1775 | (if (listp g) | |
1776 | (setq result (+ result (newsticker--count-grouped-feeds g))) | |
1777 | (setq result (1+ result)))) | |
1778 | (cdr group)) | |
1779 | result)) | |
1780 | ||
1781 | (defun newsticker--group-remove-obsolete-feeds (group) | |
e1dbe924 | 1782 | "Recursively remove obsolete feeds from GROUP." |
2415d4c6 UJ |
1783 | (let ((result nil) |
1784 | (urls (append newsticker-url-list newsticker-url-list-defaults))) | |
1785 | (mapc (lambda (g) | |
1786 | (if (listp g) | |
1787 | (let ((sub-groups | |
1788 | (newsticker--group-remove-obsolete-feeds g))) | |
1789 | (if sub-groups | |
1790 | (setq result (cons sub-groups result)))) | |
1791 | (if (assoc g urls) | |
1792 | (setq result (cons g result))))) | |
1793 | (cdr group)) | |
1794 | (if result | |
1795 | (cons (car group) (reverse result)) | |
1796 | result))) | |
1797 | ||
1798 | (defun newsticker--group-manage-orphan-feeds () | |
1799 | "Put unmanaged feeds into `newsticker-groups'. | |
dba0634a UJ |
1800 | Remove obsolete feeds as well. |
1801 | Return t if groups have changed, nil otherwise." | |
574ec565 UJ |
1802 | (unless newsticker-groups |
1803 | (setq newsticker-groups '("Feeds"))) | |
2415d4c6 UJ |
1804 | (let ((new-feed nil) |
1805 | (grouped-feeds (newsticker--count-grouped-feeds newsticker-groups))) | |
1806 | (mapc (lambda (f) | |
1807 | (unless (newsticker--group-find-group-for-feed (car f)) | |
1808 | (setq new-feed t) | |
1809 | (newsticker-group-move-feed (car f) nil t))) | |
1810 | (append newsticker-url-list-defaults newsticker-url-list)) | |
1811 | (setq newsticker-groups | |
1812 | (newsticker--group-remove-obsolete-feeds newsticker-groups)) | |
dba0634a UJ |
1813 | (or new-feed |
1814 | (not (= grouped-feeds | |
1815 | (newsticker--count-grouped-feeds newsticker-groups)))))) | |
2415d4c6 UJ |
1816 | |
1817 | ;; ====================================================================== | |
1818 | ;;; Modes | |
1819 | ;; ====================================================================== | |
1820 | (defun newsticker--treeview-create-groups-menu (group-list | |
1821 | excluded-group) | |
1822 | "Create menu for GROUP-LIST omitting EXCLUDED-GROUP." | |
1823 | (let ((menu (make-sparse-keymap (if (stringp (car group-list)) | |
1824 | (car group-list) | |
1825 | "Move to group...")))) | |
1826 | (mapc (lambda (g) | |
1827 | (when (listp g) | |
1828 | (let ((title (if (stringp (car g)) | |
1829 | (car g) | |
1830 | "Move to group..."))) | |
1831 | (unless (eq g excluded-group) | |
1832 | (define-key menu (vector (intern title)) | |
1833 | (list 'menu-item title | |
1834 | (newsticker--treeview-create-groups-menu | |
1835 | (cdr g) excluded-group))))))) | |
1836 | (reverse group-list)) | |
1837 | menu)) | |
1838 | ||
1839 | (defun newsticker--treeview-create-tree-menu (feed-name) | |
1840 | "Create tree menu for FEED-NAME." | |
1841 | (let ((menu (make-sparse-keymap feed-name))) | |
1842 | (define-key menu [newsticker-treeview-mark-list-items-old] | |
1843 | (list 'menu-item "Mark all items old" | |
1844 | 'newsticker-treeview-mark-list-items-old)) | |
1845 | (define-key menu [move] | |
1846 | (list 'menu-item "Move to group..." | |
1847 | (newsticker--treeview-create-groups-menu | |
1848 | newsticker-groups | |
1849 | (newsticker--group-get-group feed-name)))) | |
1850 | menu)) | |
1851 | ||
2415d4c6 UJ |
1852 | (defvar newsticker-treeview-list-menu |
1853 | (let ((menu (make-sparse-keymap "Newsticker List"))) | |
1854 | (define-key menu [newsticker-treeview-mark-list-items-old] | |
1855 | (list 'menu-item "Mark all items old" | |
1856 | 'newsticker-treeview-mark-list-items-old)) | |
0c74a301 UJ |
1857 | (define-key menu [newsticker-treeview-mark-item-old] |
1858 | (list 'menu-item "Mark current item old" | |
1859 | 'newsticker-treeview-mark-item-old)) | |
1860 | (define-key menu [newsticker-treeview-toggle-item-immortal] | |
1861 | (list 'menu-item "Mark current item immortal (toggle)" | |
1862 | 'newsticker-treeview-toggle-item-immortal)) | |
1863 | (define-key menu [newsticker-treeview-get-news] | |
1864 | (list 'menu-item "Get news for current feed" | |
1865 | 'newsticker-treeview-get-news)) | |
2415d4c6 | 1866 | menu) |
0c74a301 UJ |
1867 | "Map for newsticker list menu.") |
1868 | ||
1869 | (defvar newsticker-treeview-item-menu | |
1870 | (let ((menu (make-sparse-keymap "Newsticker Item"))) | |
1871 | (define-key menu [newsticker-treeview-mark-item-old] | |
1872 | (list 'menu-item "Mark current item old" | |
1873 | 'newsticker-treeview-mark-item-old)) | |
1874 | (define-key menu [newsticker-treeview-toggle-item-immortal] | |
1875 | (list 'menu-item "Mark current item immortal (toggle)" | |
1876 | 'newsticker-treeview-toggle-item-immortal)) | |
1877 | (define-key menu [newsticker-treeview-get-news] | |
1878 | (list 'menu-item "Get news for current feed" | |
1879 | 'newsticker-treeview-get-news)) | |
1880 | menu) | |
1881 | "Map for newsticker item menu.") | |
2415d4c6 | 1882 | |
2415d4c6 UJ |
1883 | (defvar newsticker-treeview-mode-map |
1884 | (let ((map (make-sparse-keymap 'newsticker-treeview-mode-map))) | |
1885 | (define-key map " " 'newsticker-treeview-next-page) | |
1886 | (define-key map "a" 'newsticker-add-url) | |
4367e4b2 | 1887 | (define-key map "b" 'newsticker-treeview-browse-url-item) |
2415d4c6 UJ |
1888 | (define-key map "F" 'newsticker-treeview-prev-feed) |
1889 | (define-key map "f" 'newsticker-treeview-next-feed) | |
1890 | (define-key map "g" 'newsticker-treeview-get-news) | |
1891 | (define-key map "G" 'newsticker-get-all-news) | |
1892 | (define-key map "i" 'newsticker-treeview-toggle-item-immortal) | |
1893 | (define-key map "j" 'newsticker-treeview-jump) | |
1894 | (define-key map "n" 'newsticker-treeview-next-item) | |
1895 | (define-key map "N" 'newsticker-treeview-next-new-or-immortal-item) | |
1896 | (define-key map "O" 'newsticker-treeview-mark-list-items-old) | |
1897 | (define-key map "o" 'newsticker-treeview-mark-item-old) | |
1898 | (define-key map "p" 'newsticker-treeview-prev-item) | |
1899 | (define-key map "P" 'newsticker-treeview-prev-new-or-immortal-item) | |
1900 | (define-key map "q" 'newsticker-treeview-quit) | |
1901 | (define-key map "S" 'newsticker-treeview-save-item) | |
1902 | (define-key map "s" 'newsticker-treeview-save) | |
1903 | (define-key map "u" 'newsticker-treeview-update) | |
1904 | (define-key map "v" 'newsticker-treeview-browse-url) | |
1905 | ;;(define-key map "\n" 'newsticker-treeview-scroll-item) | |
1906 | ;;(define-key map "\C-m" 'newsticker-treeview-scroll-item) | |
1907 | (define-key map "\M-m" 'newsticker-group-move-feed) | |
1908 | (define-key map "\M-a" 'newsticker-group-add-group) | |
1909 | map) | |
1910 | "Mode map for newsticker treeview.") | |
1911 | ||
1b3b87df | 1912 | (define-derived-mode newsticker-treeview-mode fundamental-mode "Newsticker TV" |
2415d4c6 UJ |
1913 | "Major mode for Newsticker Treeview. |
1914 | \\{newsticker-treeview-mode-map}" | |
a66bb4d5 GM |
1915 | (if (boundp 'tool-bar-map) |
1916 | (set (make-local-variable 'tool-bar-map) | |
1917 | newsticker-treeview-tool-bar-map)) | |
2415d4c6 UJ |
1918 | (setq buffer-read-only t |
1919 | truncate-lines t)) | |
1920 | ||
2415d4c6 UJ |
1921 | (define-derived-mode newsticker-treeview-list-mode newsticker-treeview-mode |
1922 | "Item List" | |
1923 | (let ((header (concat | |
1924 | (propertize " " 'display '(space :align-to 0)) | |
1925 | (newsticker-treeview-list-make-sort-button "*" 'sort-by-age) | |
1926 | (propertize " " 'display '(space :align-to 2)) | |
1927 | (if newsticker--treeview-list-show-feed | |
1928 | (concat "Feed" | |
1929 | (propertize " " 'display '(space :align-to 12))) | |
1930 | "") | |
1931 | (newsticker-treeview-list-make-sort-button "Date" | |
1932 | 'sort-by-time) | |
1933 | (if newsticker--treeview-list-show-feed | |
1934 | (propertize " " 'display '(space :align-to 28)) | |
1935 | (propertize " " 'display '(space :align-to 18))) | |
1936 | (newsticker-treeview-list-make-sort-button "Title" | |
1937 | 'sort-by-title)))) | |
1938 | (setq header-line-format header)) | |
1939 | (define-key newsticker-treeview-list-mode-map [down-mouse-3] | |
1940 | newsticker-treeview-list-menu)) | |
1941 | ||
0c74a301 UJ |
1942 | (define-derived-mode newsticker-treeview-item-mode newsticker-treeview-mode |
1943 | "Item" | |
1944 | (define-key newsticker-treeview-item-mode-map [down-mouse-3] | |
1945 | newsticker-treeview-item-menu)) | |
1946 | ||
2415d4c6 UJ |
1947 | (defun newsticker-treeview-tree-click (event) |
1948 | "Handle click EVENT on a tag in the newsticker tree." | |
1949 | (interactive "e") | |
c9aafaaf | 1950 | (newsticker--treeview-restore-layout) |
2415d4c6 UJ |
1951 | (save-excursion |
1952 | (switch-to-buffer (window-buffer (posn-window (event-end event)))) | |
1953 | (newsticker-treeview-tree-do-click (posn-point (event-end event))))) | |
1954 | ||
1955 | (defun newsticker-treeview-tree-do-click (&optional pos event) | |
1956 | "Actually handle click event. | |
1957 | POS gives the position where EVENT occurred." | |
1958 | (interactive) | |
a59c6c51 UJ |
1959 | (let* ((pos (or pos (point))) |
1960 | (nt-id (get-text-property pos :nt-id)) | |
1961 | (item (get-text-property pos :nt-item))) | |
2415d4c6 UJ |
1962 | (cond (item |
1963 | ;; click in list buffer | |
1964 | (newsticker-treeview-show-item)) | |
1965 | (t | |
1966 | ;; click in tree buffer | |
1967 | (let ((w (newsticker--treeview-get-node nt-id))) | |
1968 | (when w | |
1969 | (newsticker--treeview-tree-update-tag w t t) | |
1970 | (setq w (newsticker--treeview-get-node nt-id)) | |
1971 | (widget-put w :nt-selected t) | |
1972 | (widget-apply w :action event) | |
1973 | (newsticker--treeview-set-current-node w)))))) | |
1974 | (newsticker--treeview-tree-update-highlight)) | |
1975 | ||
c9aafaaf | 1976 | (defun newsticker--treeview-restore-layout () |
2415d4c6 UJ |
1977 | "Restore treeview buffers." |
1978 | (catch 'error | |
1979 | (dotimes (i 3) | |
1980 | (let ((win (nth i newsticker--treeview-windows)) | |
1981 | (buf (nth i newsticker--treeview-buffers))) | |
1982 | (unless (window-live-p win) | |
1983 | (newsticker--treeview-window-init) | |
1984 | (newsticker--treeview-buffer-init) | |
1985 | (throw 'error t)) | |
1986 | (unless (eq (window-buffer win) buf) | |
1987 | (set-window-buffer win buf t)))))) | |
1988 | ||
1989 | (defun newsticker--treeview-frame-init () | |
1990 | "Initialize treeview frame." | |
1991 | (when newsticker-treeview-own-frame | |
1992 | (unless (and newsticker--frame (frame-live-p newsticker--frame)) | |
1993 | (setq newsticker--frame (make-frame '((name . "Newsticker"))))) | |
1994 | (select-frame-set-input-focus newsticker--frame) | |
1995 | (raise-frame newsticker--frame))) | |
1996 | ||
1997 | (defun newsticker--treeview-window-init () | |
1998 | "Initialize treeview windows." | |
1999 | (setq newsticker--saved-window-config (current-window-configuration)) | |
2000 | (setq newsticker--treeview-windows nil) | |
2001 | (setq newsticker--treeview-buffers nil) | |
2002 | (delete-other-windows) | |
2d197ffb | 2003 | (split-window-right newsticker-treeview-treewindow-width) |
2415d4c6 UJ |
2004 | (add-to-list 'newsticker--treeview-windows (selected-window) t) |
2005 | (other-window 1) | |
2d197ffb | 2006 | (split-window-below newsticker-treeview-listwindow-height) |
2415d4c6 UJ |
2007 | (add-to-list 'newsticker--treeview-windows (selected-window) t) |
2008 | (other-window 1) | |
2009 | (add-to-list 'newsticker--treeview-windows (selected-window) t) | |
2010 | (other-window 1)) | |
2011 | ||
4da498eb | 2012 | ;;;###autoload |
2415d4c6 UJ |
2013 | (defun newsticker-treeview () |
2014 | "Start newsticker treeview." | |
2015 | (interactive) | |
2016 | (newsticker--treeview-load) | |
2017 | (setq newsticker--sentinel-callback 'newsticker-treeview-update) | |
2018 | (newsticker--treeview-frame-init) | |
2019 | (newsticker--treeview-window-init) | |
2020 | (newsticker--treeview-buffer-init) | |
dba0634a UJ |
2021 | (if (newsticker--group-manage-orphan-feeds) |
2022 | (newsticker--treeview-tree-update)) | |
2415d4c6 UJ |
2023 | (newsticker--treeview-set-current-node newsticker--treeview-feed-tree) |
2024 | (newsticker-start t) ;; will start only if not running | |
2025 | (newsticker-treeview-update) | |
2026 | (newsticker--treeview-item-show-text | |
2027 | "Newsticker" | |
2028 | "Welcome to newsticker!")) | |
2029 | ||
2030 | (defun newsticker-treeview-get-news () | |
2031 | "Get news for current feed." | |
2032 | (interactive) | |
2033 | (when newsticker--treeview-current-feed | |
2034 | (newsticker-get-news newsticker--treeview-current-feed))) | |
5eddea0b | 2035 | |
8e39154d | 2036 | (provide 'newst-treeview) |
2415d4c6 | 2037 | |
2900b2d8 | 2038 | ;;; newst-treeview.el ends here |