Commit | Line | Data |
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2900b2d8 | 1 | ;;; newst-treeview.el --- Treeview frontend for newsticker. |
2415d4c6 | 2 | |
73b0cd50 | 3 | ;; Copyright (C) 2008-2011 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 | |
53 | '((((class color) (background dark)) | |
42c7e61e | 54 | (:family "sans" :foreground "white" :bold nil)) |
2415d4c6 | 55 | (((class color) (background light)) |
42c7e61e | 56 | (:family "sans" :foreground "black" :bold nil))) |
2415d4c6 UJ |
57 | "Face for newsticker tree." |
58 | :group 'newsticker-treeview) | |
59 | ||
60 | (defface newsticker-treeview-new-face | |
61 | '((((class color) (background dark)) | |
62 | (:inherit newsticker-treeview-face :bold t)) | |
63 | (((class color) (background light)) | |
64 | (:inherit newsticker-treeview-face :bold t))) | |
65 | "Face for newsticker tree." | |
66 | :group 'newsticker-treeview) | |
67 | ||
68 | (defface newsticker-treeview-old-face | |
69 | '((((class color) (background dark)) | |
70 | (:inherit newsticker-treeview-face)) | |
71 | (((class color) (background light)) | |
72 | (:inherit newsticker-treeview-face))) | |
73 | "Face for newsticker tree." | |
74 | :group 'newsticker-treeview) | |
75 | ||
76 | (defface newsticker-treeview-immortal-face | |
77 | '((((class color) (background dark)) | |
78 | (:inherit newsticker-treeview-face :foreground "orange" :italic t)) | |
79 | (((class color) (background light)) | |
80 | (:inherit newsticker-treeview-face :foreground "blue" :italic t))) | |
81 | "Face for newsticker tree." | |
82 | :group 'newsticker-treeview) | |
83 | ||
84 | (defface newsticker-treeview-obsolete-face | |
85 | '((((class color) (background dark)) | |
86 | (:inherit newsticker-treeview-face :strike-through t)) | |
87 | (((class color) (background light)) | |
88 | (:inherit newsticker-treeview-face :strike-through t))) | |
89 | "Face for newsticker tree." | |
90 | :group 'newsticker-treeview) | |
91 | ||
92 | (defface newsticker-treeview-selection-face | |
93 | '((((class color) (background dark)) | |
94 | (:background "#bbbbff")) | |
95 | (((class color) (background light)) | |
96 | (:background "#bbbbff"))) | |
97 | "Face for newsticker selection." | |
98 | :group 'newsticker-treeview) | |
99 | ||
100 | (defcustom newsticker-treeview-own-frame | |
639fbfe1 | 101 | nil |
4367e4b2 | 102 | "Decides whether newsticker treeview creates and uses its own frame." |
2415d4c6 UJ |
103 | :type 'boolean |
104 | :group 'newsticker-treeview) | |
105 | ||
4367e4b2 UJ |
106 | (defcustom newsticker-treeview-treewindow-width |
107 | 30 | |
108 | "Width of tree window in treeview layout. | |
109 | See also `newsticker-treeview-listwindow-height'." | |
27cacd2d | 110 | :type 'integer |
4367e4b2 UJ |
111 | :group 'newsticker-treeview) |
112 | ||
113 | (defcustom newsticker-treeview-listwindow-height | |
114 | 10 | |
115 | "Height of list window in treeview layout. | |
116 | See also `newsticker-treeview-treewindow-width'." | |
27cacd2d | 117 | :type 'integer |
4367e4b2 UJ |
118 | :group 'newsticker-treeview) |
119 | ||
2415d4c6 UJ |
120 | (defcustom newsticker-treeview-automatically-mark-displayed-items-as-old |
121 | t | |
122 | "Decides whether to automatically mark displayed items as old. | |
123 | If t an item is marked as old as soon as it is displayed. This | |
124 | applies to newsticker only." | |
125 | :type 'boolean | |
126 | :group 'newsticker-treeview) | |
127 | ||
128 | (defvar newsticker-groups | |
129 | '("Feeds") | |
130 | "List of feed groups, used in the treeview frontend. | |
883bef2d UJ |
131 | First element is a string giving the group name. Remaining |
132 | elements are either strings giving a feed name or lists having | |
133 | the same structure as `newsticker-groups'. (newsticker-groups := | |
134 | groupdefinition, groupdefinition := groupname groupcontent*, | |
135 | groupcontent := feedname | groupdefinition) | |
136 | ||
137 | Example: (\"Topmost group\" \"feed1\" (\"subgroup1\" \"feed 2\") | |
138 | \"feed3\")") | |
2415d4c6 UJ |
139 | |
140 | (defcustom newsticker-groups-filename | |
141 | "~/.newsticker-groups" | |
142 | "Name of the newsticker groups settings file." | |
143 | :type 'string | |
144 | :group 'newsticker-treeview) | |
5443c9b7 | 145 | (make-obsolete 'newsticker-groups-filename 'newsticker-dir "23.1") |
2415d4c6 UJ |
146 | |
147 | ;; ====================================================================== | |
148 | ;;; internal variables | |
149 | ;; ====================================================================== | |
150 | (defvar newsticker--treeview-windows nil) | |
151 | (defvar newsticker--treeview-buffers nil) | |
a59c6c51 UJ |
152 | (defvar newsticker--treeview-current-feed nil |
153 | "Feed name of currently shown item.") | |
2415d4c6 UJ |
154 | (defvar newsticker--treeview-current-vfeed nil) |
155 | (defvar newsticker--treeview-list-show-feed nil) | |
156 | (defvar newsticker--saved-window-config nil) | |
2415d4c6 UJ |
157 | (defvar newsticker--selection-overlay nil |
158 | "Highlight the selected tree node.") | |
2415d4c6 UJ |
159 | (defvar newsticker--tree-selection-overlay nil |
160 | "Highlight the selected list item.") | |
2415d4c6 UJ |
161 | (defvar newsticker--frame nil "Special frame for newsticker windows.") |
162 | (defvar newsticker--treeview-list-sort-order 'sort-by-time) | |
163 | (defvar newsticker--treeview-current-node-id nil) | |
164 | (defvar newsticker--treeview-current-tree nil) | |
165 | (defvar newsticker--treeview-feed-tree nil) | |
166 | (defvar newsticker--treeview-vfeed-tree nil) | |
167 | ||
168 | ;; maps for the clickable portions | |
169 | (defvar newsticker--treeview-url-keymap | |
170 | (let ((map (make-sparse-keymap 'newsticker--treeview-url-keymap))) | |
171 | (define-key map [mouse-1] 'newsticker-treeview-mouse-browse-url) | |
172 | (define-key map [mouse-2] 'newsticker-treeview-mouse-browse-url) | |
173 | (define-key map "\n" 'newsticker-treeview-browse-url) | |
174 | (define-key map "\C-m" 'newsticker-treeview-browse-url) | |
175 | (define-key map [(control return)] 'newsticker-handle-url) | |
176 | map) | |
177 | "Key map for click-able headings in the newsticker treeview buffers.") | |
178 | ||
179 | ||
180 | ;; ====================================================================== | |
181 | ;;; short cuts | |
182 | ;; ====================================================================== | |
183 | (defsubst newsticker--treeview-tree-buffer () | |
184 | "Return the tree buffer of the newsticker treeview." | |
185 | (nth 0 newsticker--treeview-buffers)) | |
186 | (defsubst newsticker--treeview-list-buffer () | |
187 | "Return the list buffer of the newsticker treeview." | |
188 | (nth 1 newsticker--treeview-buffers)) | |
189 | (defsubst newsticker--treeview-item-buffer () | |
190 | "Return the item buffer of the newsticker treeview." | |
191 | (nth 2 newsticker--treeview-buffers)) | |
192 | (defsubst newsticker--treeview-tree-window () | |
193 | "Return the tree window of the newsticker treeview." | |
194 | (nth 0 newsticker--treeview-windows)) | |
195 | (defsubst newsticker--treeview-list-window () | |
196 | "Return the list window of the newsticker treeview." | |
197 | (nth 1 newsticker--treeview-windows)) | |
198 | (defsubst newsticker--treeview-item-window () | |
199 | "Return the item window of the newsticker treeview." | |
200 | (nth 2 newsticker--treeview-windows)) | |
201 | ||
202 | ;; ====================================================================== | |
203 | ;;; utility functions | |
204 | ;; ====================================================================== | |
205 | (defun newsticker--treeview-get-id (parent i) | |
206 | "Create an id for a newsticker treeview node. | |
207 | PARENT is the node's parent, I is an integer." | |
208 | ;;(message "newsticker--treeview-get-id %s" | |
209 | ;; (format "%s-%d" (widget-get parent :nt-id) i)) | |
210 | (format "%s-%d" (widget-get parent :nt-id) i)) | |
211 | ||
212 | (defun newsticker--treeview-ids-eq (id1 id2) | |
213 | "Return non-nil if ids ID1 and ID2 are equal." | |
214 | ;;(message "%s/%s" (or id1 -1) (or id2 -1)) | |
215 | (and id1 id2 (string= id1 id2))) | |
216 | ||
217 | (defun newsticker--treeview-nodes-eq (node1 node2) | |
218 | "Compare treeview nodes NODE1 and NODE2 for equality. | |
219 | Nodes are equal if the have the same newsticker-id. Note that | |
220 | during re-tagging and collapsing/expanding nodes change, while | |
221 | their id stays constant." | |
222 | (let ((id1 (widget-get node1 :nt-id)) | |
223 | (id2 (widget-get node2 :nt-id))) | |
224 | ;;(message "%s/%s %s/%s" (widget-get node1 :tag) (widget-get node2 :tag) | |
225 | ;; (or id1 -1) (or id2 -1)) | |
226 | (or (newsticker--treeview-ids-eq id1 id2) | |
227 | (string= (widget-get node1 :tag) (widget-get node2 :tag))))) | |
228 | ||
229 | (defun newsticker--treeview-do-get-node-of-feed (feed-name startnode) | |
230 | "Recursivly search node for feed FEED-NAME starting from STARTNODE." | |
231 | ;;(message "%s/%s" feed-name (widget-get startnode :nt-feed)) | |
232 | (if (string= feed-name (or (widget-get startnode :nt-feed) | |
233 | (widget-get startnode :nt-vfeed))) | |
234 | (throw 'found startnode) | |
235 | (let ((children (widget-get startnode :children))) | |
236 | (dolist (w children) | |
237 | (newsticker--treeview-do-get-node-of-feed feed-name w))))) | |
238 | ||
239 | (defun newsticker--treeview-get-node-of-feed (feed-name) | |
240 | "Return node for feed FEED-NAME in newsticker treeview tree." | |
241 | (catch 'found | |
242 | (newsticker--treeview-do-get-node-of-feed feed-name | |
243 | newsticker--treeview-feed-tree) | |
244 | (newsticker--treeview-do-get-node-of-feed feed-name | |
245 | newsticker--treeview-vfeed-tree))) | |
246 | ||
247 | (defun newsticker--treeview-do-get-node (id startnode) | |
248 | "Recursivly search node with ID starting from STARTNODE." | |
249 | (if (newsticker--treeview-ids-eq id (widget-get startnode :nt-id)) | |
250 | (throw 'found startnode) | |
251 | (let ((children (widget-get startnode :children))) | |
252 | (dolist (w children) | |
253 | (newsticker--treeview-do-get-node id w))))) | |
254 | ||
255 | (defun newsticker--treeview-get-node (id) | |
256 | "Return node with ID in newsticker treeview tree." | |
257 | (catch 'found | |
258 | (newsticker--treeview-do-get-node id newsticker--treeview-feed-tree) | |
259 | (newsticker--treeview-do-get-node id newsticker--treeview-vfeed-tree))) | |
260 | ||
261 | (defun newsticker--treeview-get-current-node () | |
262 | "Return current node in newsticker treeview tree." | |
263 | (newsticker--treeview-get-node newsticker--treeview-current-node-id)) | |
264 | ||
265 | ;; ====================================================================== | |
266 | ||
17abdd47 | 267 | (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))) |
a66bb4d5 GM |
268 | (declare-function w3m-toggle-inline-images "ext:w3m" (&optional force no-cache)) |
269 | ||
2415d4c6 UJ |
270 | (defun newsticker--treeview-render-text (start end) |
271 | "Render text between markers START and END." | |
272 | (if newsticker-html-renderer | |
273 | (condition-case error-data | |
274 | (save-excursion | |
275 | (set-marker-insertion-type end t) | |
276 | ;; check whether it is necessary to call html renderer | |
277 | ;; (regexp inspired by htmlr.el) | |
278 | (goto-char start) | |
279 | (when (re-search-forward | |
280 | "</?[A-Za-z1-6]*\\|&#?[A-Za-z0-9]+;" end t) | |
281 | ;; (message "%s" (newsticker--title item)) | |
282 | (let ((w3m-fill-column (if newsticker-use-full-width | |
283 | -1 fill-column)) | |
284 | (w3-maximum-line-length | |
285 | (if newsticker-use-full-width nil fill-column))) | |
286 | (save-excursion | |
287 | (funcall newsticker-html-renderer start end))) | |
288 | ;;(cond ((eq newsticker-html-renderer 'w3m-region) | |
289 | ;; (add-text-properties start end (list 'keymap | |
290 | ;; w3m-minor-mode-map))) | |
291 | ;;((eq newsticker-html-renderer 'w3-region) | |
292 | ;;(add-text-properties start end (list 'keymap w3-mode-map)))) | |
293 | (if (eq newsticker-html-renderer 'w3m-region) | |
294 | (w3m-toggle-inline-images t)) | |
295 | t)) | |
296 | (error | |
297 | (message "Error: HTML rendering failed: %s, %s" | |
298 | (car error-data) (cdr error-data)) | |
299 | nil)) | |
300 | nil)) | |
301 | ||
302 | ;; ====================================================================== | |
303 | ;;; List window | |
304 | ;; ====================================================================== | |
305 | (defun newsticker--treeview-list-add-item (item feed &optional show-feed) | |
306 | "Add news ITEM for FEED to newsticker treeview list window. | |
307 | If string SHOW-FEED is non-nil it is shown in the item string." | |
308 | (setq newsticker--treeview-list-show-feed show-feed) | |
9a529312 | 309 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
310 | (let* ((inhibit-read-only t) |
311 | pos1 pos2) | |
312 | (goto-char (point-max)) | |
313 | (setq pos1 (point-marker)) | |
314 | (insert " ") | |
315 | (insert (propertize " " 'display '(space :align-to 2))) | |
316 | (insert (if show-feed | |
317 | (concat | |
318 | (substring | |
319 | (format "%-10s" (newsticker--real-feed-name | |
320 | feed)) | |
321 | 0 10) | |
322 | (propertize " " 'display '(space :align-to 12))) | |
323 | "")) | |
324 | (insert (format-time-string "%d.%m.%y, %H:%M" | |
325 | (newsticker--time item))) | |
326 | (insert (propertize " " 'display | |
327 | (list 'space :align-to (if show-feed 28 18)))) | |
328 | (setq pos2 (point-marker)) | |
329 | (insert (newsticker--title item)) | |
330 | (insert "\n") | |
331 | (newsticker--treeview-render-text pos2 (point-marker)) | |
332 | (goto-char pos2) | |
333 | (while (search-forward "\n" nil t) | |
334 | (replace-match " ")) | |
335 | (let ((map (make-sparse-keymap))) | |
336 | (define-key map [mouse-1] 'newsticker-treeview-tree-click) | |
337 | (define-key map "\n" 'newsticker-treeview-show-item) | |
338 | (define-key map "\C-m" 'newsticker-treeview-show-item) | |
339 | (add-text-properties pos1 (point-max) | |
340 | (list :nt-item item | |
341 | :nt-feed feed | |
342 | :nt-link (newsticker--link item) | |
343 | 'mouse-face 'highlight | |
344 | 'keymap map | |
639fbfe1 UJ |
345 | 'help-echo (buffer-substring pos2 |
346 | (point-max))))) | |
2415d4c6 UJ |
347 | (insert "\n")))) |
348 | ||
349 | (defun newsticker--treeview-list-clear () | |
350 | "Clear the newsticker treeview list window." | |
9a529312 | 351 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
352 | (let ((inhibit-read-only t)) |
353 | (erase-buffer) | |
354 | (kill-all-local-variables) | |
355 | (remove-overlays)))) | |
356 | ||
357 | (defun newsticker--treeview-list-items-with-age-callback (widget | |
358 | changed-widget | |
359 | &rest ages) | |
360 | "Fill newsticker treeview list window with items of certain age. | |
361 | This is a callback function for the treeview nodes. | |
362 | Argument WIDGET is the calling treeview widget. | |
363 | Argument CHANGED-WIDGET is the widget that actually has changed. | |
364 | Optional argument AGES is the list of ages that are to be shown." | |
365 | (newsticker--treeview-list-clear) | |
366 | (widget-put widget :nt-selected t) | |
367 | (apply 'newsticker--treeview-list-items-with-age ages)) | |
368 | ||
369 | (defun newsticker--treeview-list-items-with-age (&rest ages) | |
370 | "Actually fill newsticker treeview list window with items of certain age. | |
371 | AGES is the list of ages that are to be shown." | |
372 | (mapc (lambda (feed) | |
373 | (let ((feed-name-symbol (intern (car feed)))) | |
374 | (mapc (lambda (item) | |
375 | (when (memq (newsticker--age item) ages) | |
376 | (newsticker--treeview-list-add-item | |
377 | item feed-name-symbol t))) | |
378 | (newsticker--treeview-list-sort-items | |
379 | (cdr (newsticker--cache-get-feed feed-name-symbol)))))) | |
380 | (append newsticker-url-list-defaults newsticker-url-list)) | |
381 | (newsticker--treeview-list-update nil)) | |
382 | ||
383 | (defun newsticker--treeview-list-new-items (widget changed-widget | |
384 | &optional event) | |
385 | "Fill newsticker treeview list window with new items. | |
386 | This is a callback function for the treeview nodes. | |
883bef2d UJ |
387 | Argument WIDGET is the calling treeview widget. |
388 | Argument CHANGED-WIDGET is the widget that actually has changed. | |
389 | Optional argument EVENT is the mouse event that triggered this action." | |
2415d4c6 UJ |
390 | (newsticker--treeview-list-items-with-age-callback widget changed-widget |
391 | 'new) | |
392 | (newsticker--treeview-item-show-text | |
393 | "New items" | |
394 | "This is a virtual feed containing all new items")) | |
395 | ||
396 | (defun newsticker--treeview-list-immortal-items (widget changed-widget | |
397 | &optional event) | |
398 | "Fill newsticker treeview list window with immortal items. | |
399 | This is a callback function for the treeview nodes. | |
883bef2d UJ |
400 | Argument WIDGET is the calling treeview widget. |
401 | Argument CHANGED-WIDGET is the widget that actually has changed. | |
402 | Optional argument EVENT is the mouse event that triggered this action." | |
2415d4c6 UJ |
403 | (newsticker--treeview-list-items-with-age-callback widget changed-widget |
404 | 'immortal) | |
405 | (newsticker--treeview-item-show-text | |
406 | "Immortal items" | |
407 | "This is a virtual feed containing all immortal items.")) | |
408 | ||
409 | (defun newsticker--treeview-list-obsolete-items (widget changed-widget | |
410 | &optional event) | |
411 | "Fill newsticker treeview list window with obsolete items. | |
412 | This is a callback function for the treeview nodes. | |
883bef2d UJ |
413 | Argument WIDGET is the calling treeview widget. |
414 | Argument CHANGED-WIDGET is the widget that actually has changed. | |
415 | Optional argument EVENT is the mouse event that triggered this action." | |
2415d4c6 UJ |
416 | (newsticker--treeview-list-items-with-age-callback widget changed-widget |
417 | 'obsolete) | |
418 | (newsticker--treeview-item-show-text | |
419 | "Obsolete items" | |
420 | "This is a virtual feed containing all obsolete items.")) | |
421 | ||
422 | (defun newsticker--treeview-list-all-items (widget changed-widget | |
423 | &optional event) | |
424 | "Fill newsticker treeview list window with all items. | |
425 | This is a callback function for the treeview nodes. | |
883bef2d UJ |
426 | Argument WIDGET is the calling treeview widget. |
427 | Argument CHANGED-WIDGET is the widget that actually has changed. | |
428 | Optional argument EVENT is the mouse event that triggered this action." | |
2415d4c6 UJ |
429 | (newsticker--treeview-list-items-with-age-callback widget changed-widget |
430 | event 'new 'old | |
431 | 'obsolete 'immortal) | |
432 | (newsticker--treeview-item-show-text | |
433 | "All items" | |
434 | "This is a virtual feed containing all items.")) | |
435 | ||
436 | (defun newsticker--treeview-list-items-v (vfeed-name) | |
437 | "List items for virtual feed VFEED-NAME." | |
438 | (when vfeed-name | |
439 | (cond ((string-match "\\*new\\*" vfeed-name) | |
440 | (newsticker--treeview-list-items-with-age 'new)) | |
441 | ((string-match "\\*immortal\\*" vfeed-name) | |
442 | (newsticker--treeview-list-items-with-age 'immortal)) | |
443 | ((string-match "\\*old\\*" vfeed-name) | |
444 | (newsticker--treeview-list-items-with-age 'old nil))) | |
445 | (newsticker--treeview-list-update nil) | |
446 | )) | |
447 | ||
448 | (defun newsticker--treeview-list-items (feed-name) | |
449 | "List items for feed FEED-NAME." | |
450 | (when feed-name | |
451 | (if (newsticker--treeview-virtual-feed-p feed-name) | |
452 | (newsticker--treeview-list-items-v feed-name) | |
453 | (mapc (lambda (item) | |
454 | (if (eq (newsticker--age item) 'feed) | |
455 | (newsticker--treeview-item-show item (intern feed-name)) | |
456 | (newsticker--treeview-list-add-item item | |
457 | (intern feed-name)))) | |
458 | (newsticker--treeview-list-sort-items | |
459 | (cdr (newsticker--cache-get-feed (intern feed-name))))) | |
460 | (newsticker--treeview-list-update nil)))) | |
461 | ||
462 | (defun newsticker--treeview-list-feed-items (widget changed-widget | |
463 | &optional event) | |
464 | "Callback function for listing feed items. | |
883bef2d UJ |
465 | Argument WIDGET is the calling treeview widget. |
466 | Argument CHANGED-WIDGET is the widget that actually has changed. | |
467 | Optional argument EVENT is the mouse event that triggered this action." | |
2415d4c6 UJ |
468 | (newsticker--treeview-list-clear) |
469 | (widget-put widget :nt-selected t) | |
470 | (let ((feed-name (widget-get widget :nt-feed)) | |
471 | (vfeed-name (widget-get widget :nt-vfeed))) | |
472 | (if feed-name | |
473 | (newsticker--treeview-list-items feed-name) | |
474 | (newsticker--treeview-list-items-v vfeed-name)))) | |
475 | ||
476 | (defun newsticker--treeview-list-compare-item-by-age (item1 item2) | |
477 | "Compare two news items ITEM1 and ITEM2 wrt age." | |
478 | (catch 'result | |
479 | (let ((age1 (newsticker--age item1)) | |
480 | (age2 (newsticker--age item2))) | |
481 | (cond ((eq age1 'new) | |
482 | t) | |
483 | ((eq age1 'immortal) | |
484 | (cond ((eq age2 'new) | |
485 | t) | |
486 | ((eq age2 'immortal) | |
487 | t) | |
488 | (t | |
489 | nil))) | |
490 | ((eq age1 'old) | |
491 | (cond ((eq age2 'new) | |
492 | nil) | |
493 | ((eq age2 'immortal) | |
494 | nil) | |
495 | ((eq age2 'old) | |
496 | nil) | |
497 | (t | |
498 | t))) | |
499 | (t | |
500 | nil))))) | |
501 | ||
502 | (defun newsticker--treeview-list-compare-item-by-age-reverse (item1 item2) | |
503 | "Compare two news items ITEM1 and ITEM2 wrt age in reverse order." | |
504 | (newsticker--treeview-list-compare-item-by-age item2 item1)) | |
505 | ||
506 | (defun newsticker--treeview-list-compare-item-by-time (item1 item2) | |
507 | "Compare two news items ITEM1 and ITEM2 wrt time values." | |
508 | (newsticker--cache-item-compare-by-time item1 item2)) | |
509 | ||
510 | (defun newsticker--treeview-list-compare-item-by-time-reverse (item1 item2) | |
511 | "Compare two news items ITEM1 and ITEM2 wrt time values in reverse order." | |
512 | (newsticker--cache-item-compare-by-time item2 item1)) | |
513 | ||
514 | (defun newsticker--treeview-list-compare-item-by-title (item1 item2) | |
515 | "Compare two news items ITEM1 and ITEM2 wrt title." | |
516 | (newsticker--cache-item-compare-by-title item1 item2)) | |
517 | ||
518 | (defun newsticker--treeview-list-compare-item-by-title-reverse (item1 item2) | |
519 | "Compare two news items ITEM1 and ITEM2 wrt title in reverse order." | |
520 | (newsticker--cache-item-compare-by-title item2 item1)) | |
521 | ||
522 | (defun newsticker--treeview-list-sort-items (items) | |
523 | "Return sorted copy of list ITEMS. | |
524 | The sort function is chosen according to the value of | |
525 | `newsticker--treeview-list-sort-order'." | |
526 | (let ((sort-fun | |
527 | (cond ((eq newsticker--treeview-list-sort-order 'sort-by-age) | |
528 | 'newsticker--treeview-list-compare-item-by-age) | |
529 | ((eq newsticker--treeview-list-sort-order | |
530 | 'sort-by-age-reverse) | |
531 | 'newsticker--treeview-list-compare-item-by-age-reverse) | |
532 | ((eq newsticker--treeview-list-sort-order 'sort-by-time) | |
533 | 'newsticker--treeview-list-compare-item-by-time) | |
534 | ((eq newsticker--treeview-list-sort-order | |
535 | 'sort-by-time-reverse) | |
536 | 'newsticker--treeview-list-compare-item-by-time-reverse) | |
537 | ((eq newsticker--treeview-list-sort-order 'sort-by-title) | |
538 | 'newsticker--treeview-list-compare-item-by-title) | |
539 | ((eq newsticker--treeview-list-sort-order | |
540 | 'sort-by-title-reverse) | |
541 | 'newsticker--treeview-list-compare-item-by-title-reverse) | |
542 | (t | |
543 | 'newsticker--treeview-list-compare-item-by-title)))) | |
544 | (sort (copy-sequence items) sort-fun))) | |
545 | ||
546 | (defun newsticker--treeview-list-update-faces () | |
547 | "Update faces in the treeview list buffer." | |
548 | (let (pos-sel) | |
9a529312 | 549 | (with-current-buffer (newsticker--treeview-list-buffer) |
2d84f804 GM |
550 | (save-excursion |
551 | (let ((inhibit-read-only t)) | |
552 | (goto-char (point-min)) | |
553 | (while (not (eobp)) | |
554 | (let* ((pos (point-at-eol)) | |
555 | (item (get-text-property (point) :nt-item)) | |
556 | (age (newsticker--age item)) | |
557 | (selected (get-text-property (point) :nt-selected)) | |
558 | (face (cond ((eq age 'new) | |
559 | 'newsticker-treeview-new-face) | |
560 | ((eq age 'old) | |
561 | 'newsticker-treeview-old-face) | |
562 | ((eq age 'immortal) | |
563 | 'newsticker-treeview-immortal-face) | |
564 | ((eq age 'obsolete) | |
565 | 'newsticker-treeview-obsolete-face) | |
566 | (t | |
567 | 'bold)))) | |
568 | (put-text-property (point) pos 'face face) | |
569 | (if selected | |
570 | (move-overlay newsticker--selection-overlay (point) | |
571 | (1+ pos) ;include newline | |
572 | (current-buffer))) | |
573 | (if selected (setq pos-sel (point))) | |
574 | (forward-line 1) | |
575 | (beginning-of-line)))))) ;; FIXME!? | |
2415d4c6 | 576 | (when pos-sel |
c9aafaaf UJ |
577 | (if (window-live-p (newsticker--treeview-list-window)) |
578 | (set-window-point (newsticker--treeview-list-window) pos-sel))))) | |
2415d4c6 UJ |
579 | |
580 | (defun newsticker--treeview-list-clear-highlight () | |
581 | "Clear the highlight in the treeview list buffer." | |
9a529312 | 582 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
583 | (let ((inhibit-read-only t)) |
584 | (put-text-property (point-min) (point-max) :nt-selected nil)) | |
585 | (newsticker--treeview-list-update-faces))) | |
586 | ||
587 | (defun newsticker--treeview-list-update-highlight () | |
588 | "Update the highlight in the treeview list buffer." | |
589 | (newsticker--treeview-list-clear-highlight) | |
590 | (let (pos num-lines) | |
9a529312 | 591 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 | 592 | (let ((inhibit-read-only t)) |
2d84f804 | 593 | (put-text-property (point-at-bol) (point-at-eol) :nt-selected t)) |
2415d4c6 UJ |
594 | (newsticker--treeview-list-update-faces)))) |
595 | ||
596 | (defun newsticker--treeview-list-highlight-start () | |
597 | "Return position of selection in treeview list buffer." | |
9a529312 | 598 | (with-current-buffer (newsticker--treeview-list-buffer) |
0c74a301 UJ |
599 | (save-excursion |
600 | (goto-char (point-min)) | |
601 | (next-single-property-change (point) :nt-selected)))) | |
2415d4c6 UJ |
602 | |
603 | (defun newsticker--treeview-list-update (clear-buffer) | |
604 | "Update the faces and highlight in the treeview list buffer. | |
605 | If CLEAR-BUFFER is non-nil the list buffer is completely erased." | |
606 | (save-excursion | |
c9aafaaf UJ |
607 | (if (window-live-p (newsticker--treeview-list-window)) |
608 | (set-window-buffer (newsticker--treeview-list-window) | |
609 | (newsticker--treeview-list-buffer))) | |
2415d4c6 UJ |
610 | (set-buffer (newsticker--treeview-list-buffer)) |
611 | (if clear-buffer | |
612 | (let ((inhibit-read-only t)) | |
613 | (erase-buffer))) | |
614 | (newsticker-treeview-list-mode) | |
615 | (newsticker--treeview-list-update-faces) | |
616 | (goto-char (point-min)))) | |
617 | ||
2415d4c6 UJ |
618 | (defvar newsticker-treeview-list-sort-button-map |
619 | (let ((map (make-sparse-keymap))) | |
620 | (define-key map [header-line mouse-1] | |
621 | 'newsticker--treeview-list-sort-by-column) | |
622 | (define-key map [header-line mouse-2] | |
623 | 'newsticker--treeview-list-sort-by-column) | |
624 | map) | |
625 | "Local keymap for newsticker treeview list window sort buttons.") | |
626 | ||
883bef2d | 627 | (defun newsticker--treeview-list-sort-by-column (&optional event) |
2415d4c6 | 628 | "Sort the newsticker list window buffer by the column clicked on. |
883bef2d | 629 | Optional argument EVENT is the mouse event that triggered this action." |
2415d4c6 | 630 | (interactive (list last-input-event)) |
4fe0d68e UJ |
631 | (if event (mouse-select-window event)) |
632 | (let* ((pos (event-start event)) | |
2415d4c6 UJ |
633 | (obj (posn-object pos)) |
634 | (sort-order (if obj | |
635 | (get-text-property (cdr obj) 'sort-order (car obj)) | |
636 | (get-text-property (posn-point pos) 'sort-order)))) | |
637 | (setq newsticker--treeview-list-sort-order | |
638 | (cond ((eq sort-order 'sort-by-age) | |
639 | (if (eq newsticker--treeview-list-sort-order 'sort-by-age) | |
640 | 'sort-by-age-reverse | |
641 | 'sort-by-age)) | |
642 | ((eq sort-order 'sort-by-time) | |
643 | (if (eq newsticker--treeview-list-sort-order 'sort-by-time) | |
644 | 'sort-by-time-reverse | |
645 | 'sort-by-time)) | |
646 | ((eq sort-order 'sort-by-title) | |
647 | (if (eq newsticker--treeview-list-sort-order 'sort-by-title) | |
648 | 'sort-by-title-reverse | |
649 | 'sort-by-title)))) | |
650 | (newsticker-treeview-update))) | |
651 | ||
652 | (defun newsticker-treeview-list-make-sort-button (name sort-order) | |
653 | "Create propertized string for headerline button. | |
654 | NAME is the button text, SORT-ORDER is the associated sort order | |
655 | for the button." | |
656 | (let ((face (if (string-match (symbol-name sort-order) | |
657 | (symbol-name | |
658 | newsticker--treeview-list-sort-order)) | |
659 | 'bold | |
660 | 'header-line))) | |
661 | (propertize name | |
662 | 'sort-order sort-order | |
663 | 'help-echo (concat "Sort by " name) | |
664 | 'mouse-face 'highlight | |
665 | 'face face | |
666 | 'keymap newsticker-treeview-list-sort-button-map))) | |
667 | ||
0c74a301 UJ |
668 | (defun newsticker--treeview-list-select (item) |
669 | "Select ITEM in treeview's list buffer." | |
670 | (newsticker--treeview-list-clear-highlight) | |
671 | (let (pos num-lines) | |
672 | (save-current-buffer | |
673 | (set-buffer (newsticker--treeview-list-buffer)) | |
674 | (goto-char (point-min)) | |
675 | (catch 'found | |
676 | (while t | |
677 | (let ((it (get-text-property (point) :nt-item))) | |
678 | (when (eq it item) | |
679 | (newsticker--treeview-list-update-highlight) | |
680 | (newsticker--treeview-list-update-faces) | |
681 | (newsticker--treeview-item-show | |
682 | item (get-text-property (point) :nt-feed)) | |
683 | (throw 'found t))) | |
684 | (forward-line 1) | |
685 | (when (eobp) | |
686 | (goto-char (point-min)) | |
687 | (throw 'found nil))))))) | |
688 | ||
2415d4c6 UJ |
689 | ;; ====================================================================== |
690 | ;;; item window | |
691 | ;; ====================================================================== | |
692 | (defun newsticker--treeview-item-show-text (title description) | |
693 | "Show text in treeview item buffer consisting of TITLE and DESCRIPTION." | |
9a529312 | 694 | (with-current-buffer (newsticker--treeview-item-buffer) |
2415d4c6 UJ |
695 | (when (fboundp 'w3m-process-stop) |
696 | (w3m-process-stop (current-buffer))) | |
697 | (let ((inhibit-read-only t)) | |
698 | (erase-buffer) | |
699 | (kill-all-local-variables) | |
700 | (remove-overlays) | |
701 | (insert title) | |
702 | (put-text-property (point-min) (point) 'face 'newsticker-feed-face) | |
703 | (insert "\n\n" description) | |
704 | (when newsticker-justification | |
705 | (fill-region (point-min) (point-max) newsticker-justification)) | |
0c74a301 | 706 | (newsticker-treeview-item-mode) |
2415d4c6 UJ |
707 | (goto-char (point-min))))) |
708 | ||
a59c6c51 UJ |
709 | (defun newsticker--treeview-item-show (item feed-name-symbol) |
710 | "Show news ITEM coming from FEED-NAME-SYMBOL in treeview item buffer." | |
711 | (setq newsticker--treeview-current-feed (symbol-name feed-name-symbol)) | |
9a529312 | 712 | (with-current-buffer (newsticker--treeview-item-buffer) |
2415d4c6 UJ |
713 | (when (fboundp 'w3m-process-stop) |
714 | (w3m-process-stop (current-buffer))) | |
715 | (let ((inhibit-read-only t) | |
716 | (is-rendered-HTML nil) | |
717 | pos | |
718 | (marker1 (make-marker)) | |
719 | (marker2 (make-marker))) | |
720 | (erase-buffer) | |
721 | (kill-all-local-variables) | |
722 | (remove-overlays) | |
723 | ||
a59c6c51 | 724 | (when (and item feed-name-symbol) |
2415d4c6 UJ |
725 | (let ((wwidth (1- (window-width (newsticker--treeview-item-window))))) |
726 | (if newsticker-use-full-width | |
727 | (set (make-local-variable 'fill-column) wwidth)) | |
728 | (set (make-local-variable 'fill-column) (min fill-column | |
729 | wwidth))) | |
730 | (let ((desc (newsticker--desc item))) | |
731 | (insert "\n" (or desc "[No Description]"))) | |
732 | (set-marker marker1 (1+ (point-min))) | |
733 | (set-marker marker2 (point-max)) | |
734 | (setq is-rendered-HTML (newsticker--treeview-render-text marker1 | |
735 | marker2)) | |
736 | (when (and newsticker-justification | |
737 | (not is-rendered-HTML)) | |
738 | (fill-region marker1 marker2 newsticker-justification)) | |
5eddea0b | 739 | |
0c74a301 | 740 | (newsticker-treeview-item-mode) |
2415d4c6 UJ |
741 | (goto-char (point-min)) |
742 | ;; insert logo at top | |
743 | (let* ((newsticker-enable-logo-manipulations nil) | |
a59c6c51 | 744 | (img (newsticker--image-read feed-name-symbol nil))) |
2415d4c6 UJ |
745 | (if (and (display-images-p) img) |
746 | (newsticker--insert-image img (car item)) | |
a59c6c51 | 747 | (insert (newsticker--real-feed-name feed-name-symbol)))) |
2415d4c6 UJ |
748 | (add-text-properties (point-min) (point) |
749 | (list 'face 'newsticker-feed-face | |
750 | 'mouse-face 'highlight | |
751 | 'help-echo "Visit in web browser." | |
752 | :nt-link (newsticker--link item) | |
753 | 'keymap newsticker--treeview-url-keymap)) | |
754 | (setq pos (point)) | |
5eddea0b | 755 | |
2415d4c6 UJ |
756 | (insert "\n\n") |
757 | ;; insert title | |
758 | (setq pos (point)) | |
759 | (insert (newsticker--title item) "\n") | |
760 | (set-marker marker1 pos) | |
761 | (set-marker marker2 (point)) | |
762 | (newsticker--treeview-render-text marker1 marker2) | |
763 | (put-text-property pos (point) 'face 'newsticker-treeview-new-face) | |
764 | (goto-char marker2) | |
765 | (delete-char -1) | |
766 | (insert "\n") | |
767 | (put-text-property marker2 (point) 'face 'newsticker-treeview-face) | |
768 | (set-marker marker2 (point)) | |
769 | (when newsticker-justification | |
770 | (fill-region marker1 marker2 newsticker-justification)) | |
771 | (goto-char marker2) | |
772 | (add-text-properties marker1 (1- (point)) | |
773 | (list 'mouse-face 'highlight | |
774 | 'help-echo "Visit in web browser." | |
775 | :nt-link (newsticker--link item) | |
776 | 'keymap newsticker--treeview-url-keymap)) | |
777 | (insert (format-time-string newsticker-date-format | |
778 | (newsticker--time item))) | |
779 | (insert "\n") | |
780 | (setq pos (point)) | |
781 | (insert "\n") | |
782 | ;; insert enclosures and rest at bottom | |
783 | (goto-char (point-max)) | |
784 | (insert "\n\n") | |
785 | (setq pos (point)) | |
786 | (newsticker--insert-enclosure item newsticker--treeview-url-keymap) | |
787 | (put-text-property pos (point) 'face 'newsticker-enclosure-face) | |
788 | (setq pos (point)) | |
789 | (insert "\n") | |
790 | (newsticker--print-extra-elements item newsticker--treeview-url-keymap) | |
791 | (put-text-property pos (point) 'face 'newsticker-extra-face) | |
792 | (goto-char (point-min))))) | |
793 | (if (and newsticker-treeview-automatically-mark-displayed-items-as-old | |
794 | item | |
795 | (memq (newsticker--age item) '(new obsolete))) | |
796 | (let ((newsticker-treeview-automatically-mark-displayed-items-as-old nil)) | |
797 | (newsticker-treeview-mark-item-old t) | |
798 | (newsticker--treeview-list-update-faces))) | |
c9aafaaf UJ |
799 | (if (window-live-p (newsticker--treeview-item-window)) |
800 | (set-window-point (newsticker--treeview-item-window) 1))) | |
2415d4c6 UJ |
801 | |
802 | (defun newsticker--treeview-item-update () | |
803 | "Update the treeview item buffer and window." | |
804 | (save-excursion | |
c9aafaaf UJ |
805 | (if (window-live-p (newsticker--treeview-item-window)) |
806 | (set-window-buffer (newsticker--treeview-item-window) | |
807 | (newsticker--treeview-item-buffer))) | |
2415d4c6 UJ |
808 | (set-buffer (newsticker--treeview-item-buffer)) |
809 | (let ((inhibit-read-only t)) | |
810 | (erase-buffer)) | |
0c74a301 | 811 | (newsticker-treeview-item-mode))) |
2415d4c6 UJ |
812 | |
813 | ;; ====================================================================== | |
814 | ;;; Tree window | |
815 | ;; ====================================================================== | |
816 | (defun newsticker--treeview-tree-expand (tree) | |
817 | "Expand TREE. | |
818 | Callback function for tree widget that adds nodes for feeds and subgroups." | |
2415d4c6 UJ |
819 | (tree-widget-set-theme "folder") |
820 | (let ((group (widget-get tree :nt-group)) | |
821 | (i 0) | |
822 | (nt-id "")) | |
823 | (mapcar (lambda (g) | |
824 | (setq nt-id (newsticker--treeview-get-id tree i)) | |
825 | (setq i (1+ i)) | |
826 | (if (listp g) | |
827 | (let* ((g-name (car g))) | |
828 | `(tree-widget | |
829 | :tag ,(newsticker--treeview-tree-get-tag g-name nil nt-id) | |
830 | :expander newsticker--treeview-tree-expand | |
831 | :expander-p (lambda (&rest ignore) t) | |
832 | :nt-group ,(cdr g) | |
833 | :nt-feed ,g-name | |
834 | :nt-id ,nt-id | |
835 | :keep (:nt-feed :num-new :nt-id :open);; :nt-group | |
836 | :open nil)) | |
837 | (let ((tag (newsticker--treeview-tree-get-tag g nil nt-id))) | |
838 | `(item :tag ,tag | |
839 | :leaf-icon newsticker--tree-widget-leaf-icon | |
840 | :nt-feed ,g | |
841 | :action newsticker--treeview-list-feed-items | |
842 | :nt-id ,nt-id | |
843 | :keep (:nt-id) | |
844 | :open t)))) | |
845 | group))) | |
846 | ||
847 | (defun newsticker--treeview-tree-expand-status (tree &optional changed-widget | |
848 | event) | |
849 | "Expand the vfeed TREE. | |
850 | Optional arguments CHANGED-WIDGET and EVENT are ignored." | |
851 | (tree-widget-set-theme "folder") | |
852 | (list `(item :tag ,(newsticker--treeview-tree-get-tag nil "new") | |
853 | :nt-vfeed "new" | |
854 | :action newsticker--treeview-list-new-items | |
855 | :nt-id ,(newsticker--treeview-get-id tree 0) | |
856 | :keep (:nt-id)) | |
857 | `(item :tag ,(newsticker--treeview-tree-get-tag nil "immortal") | |
858 | :nt-vfeed "immortal" | |
859 | :action newsticker--treeview-list-immortal-items | |
860 | :nt-id ,(newsticker--treeview-get-id tree 1) | |
861 | :keep (:nt-id)) | |
862 | `(item :tag ,(newsticker--treeview-tree-get-tag nil "obsolete") | |
863 | :nt-vfeed "obsolete" | |
864 | :action newsticker--treeview-list-obsolete-items | |
865 | :nt-id ,(newsticker--treeview-get-id tree 2) | |
866 | :keep (:nt-id)) | |
867 | `(item :tag ,(newsticker--treeview-tree-get-tag nil "all") | |
868 | :nt-vfeed "all" | |
869 | :action newsticker--treeview-list-all-items | |
870 | :nt-id ,(newsticker--treeview-get-id tree 3) | |
871 | :keep (:nt-id)))) | |
872 | ||
873 | (defun newsticker--treeview-virtual-feed-p (feed-name) | |
874 | "Return non-nil if FEED-NAME is a virtual feed." | |
875 | (string-match "\\*.*\\*" feed-name)) | |
876 | ||
877 | (define-widget 'newsticker--tree-widget-leaf-icon 'tree-widget-icon | |
878 | "Icon for a tree-widget leaf node." | |
879 | :tag "O" | |
880 | :glyph-name "leaf" | |
881 | :button-face 'default) | |
882 | ||
883 | (defun newsticker--treeview-tree-update () | |
884 | "Update treeview tree buffer and window." | |
885 | (save-excursion | |
c9aafaaf UJ |
886 | (if (window-live-p (newsticker--treeview-tree-window)) |
887 | (set-window-buffer (newsticker--treeview-tree-window) | |
888 | (newsticker--treeview-tree-buffer))) | |
2415d4c6 UJ |
889 | (set-buffer (newsticker--treeview-tree-buffer)) |
890 | (kill-all-local-variables) | |
891 | (let ((inhibit-read-only t)) | |
892 | (erase-buffer) | |
893 | (tree-widget-set-theme "folder") | |
894 | (setq newsticker--treeview-feed-tree | |
895 | (widget-create 'tree-widget | |
896 | :tag (newsticker--treeview-propertize-tag | |
897 | "Feeds" 0 "feeds") | |
898 | :expander 'newsticker--treeview-tree-expand | |
899 | :expander-p (lambda (&rest ignore) t) | |
900 | :leaf-icon 'newsticker--tree-widget-leaf-icon | |
901 | :nt-group (cdr newsticker-groups) | |
902 | :nt-id "feeds" | |
903 | :keep '(:nt-id) | |
904 | :open t)) | |
905 | (setq newsticker--treeview-vfeed-tree | |
906 | (widget-create 'tree-widget | |
907 | :tag (newsticker--treeview-propertize-tag | |
908 | "Virtual Feeds" 0 "vfeeds") | |
909 | :expander 'newsticker--treeview-tree-expand-status | |
910 | :expander-p (lambda (&rest ignore) t) | |
911 | :leaf-icon 'newsticker--tree-widget-leaf-icon | |
912 | :nt-id "vfeeds" | |
913 | :keep '(:nt-id) | |
914 | :open t)) | |
915 | (use-local-map widget-keymap) | |
916 | (widget-setup)) | |
917 | (newsticker-treeview-mode))) | |
918 | ||
919 | (defun newsticker--treeview-propertize-tag (tag &optional num-new nt-id feed | |
920 | vfeed) | |
921 | "Return propertized copy of string TAG. | |
922 | Optional argument NUM-NEW is used for choosing face, other | |
923 | arguments NT-ID, FEED, and VFEED are added as properties." | |
924 | ;;(message "newsticker--treeview-propertize-tag '%s' %s" feed nt-id) | |
925 | (let ((face 'newsticker-treeview-face) | |
926 | (map (make-sparse-keymap))) | |
927 | (if (and num-new (> num-new 0)) | |
928 | (setq face 'newsticker-treeview-new-face)) | |
929 | (define-key map [mouse-1] 'newsticker-treeview-tree-click) | |
930 | (define-key map "\n" 'newsticker-treeview-tree-do-click) | |
931 | (define-key map "\C-m" 'newsticker-treeview-tree-do-click) | |
932 | (propertize tag 'face face 'keymap map | |
933 | :nt-id nt-id | |
934 | :nt-feed feed | |
935 | :nt-vfeed vfeed | |
639fbfe1 | 936 | 'help-echo tag |
2415d4c6 UJ |
937 | 'mouse-face 'highlight))) |
938 | ||
939 | (defun newsticker--treeview-tree-get-tag (feed-name vfeed-name | |
940 | &optional nt-id) | |
941 | "Return a tag string for either FEED-NAME or, if it is nil, for VFEED-NAME. | |
942 | Optional argument NT-ID is added to the tag's properties." | |
943 | (let (tag (num-new 0)) | |
944 | (cond (vfeed-name | |
945 | (cond ((string= vfeed-name "new") | |
946 | (setq num-new (newsticker--stat-num-items-total 'new)) | |
947 | (setq tag (format "New items (%d)" num-new))) | |
948 | ((string= vfeed-name "immortal") | |
949 | (setq num-new (newsticker--stat-num-items-total 'immortal)) | |
950 | (setq tag (format "Immortal items (%d)" num-new))) | |
951 | ((string= vfeed-name "obsolete") | |
952 | (setq num-new (newsticker--stat-num-items-total 'obsolete)) | |
953 | (setq tag (format "Obsolete items (%d)" num-new))) | |
954 | ((string= vfeed-name "all") | |
955 | (setq num-new (newsticker--stat-num-items-total)) | |
956 | (setq tag (format "All items (%d)" num-new))))) | |
957 | (feed-name | |
958 | (setq num-new (newsticker--stat-num-items-for-group | |
959 | (intern feed-name) 'new 'immortal)) | |
960 | (setq tag | |
961 | (format "%s (%d)" | |
962 | (newsticker--real-feed-name (intern feed-name)) | |
963 | num-new)))) | |
964 | (if tag | |
965 | (newsticker--treeview-propertize-tag tag num-new | |
966 | nt-id | |
967 | feed-name vfeed-name)))) | |
968 | ||
969 | (defun newsticker--stat-num-items-for-group (feed-name-symbol &rest ages) | |
970 | "Count number of items in feed FEED-NAME-SYMBOL that have an age matching AGES." | |
971 | ;;(message "newsticker--stat-num-items-for-group %s %s" feed-name-symbol ages) | |
972 | (let ((result (apply 'newsticker--stat-num-items feed-name-symbol ages))) | |
973 | (mapc (lambda (f-n) | |
974 | (setq result (+ result | |
975 | (apply 'newsticker--stat-num-items (intern f-n) | |
976 | ages)))) | |
977 | (newsticker--group-get-feeds | |
978 | (newsticker--group-get-group (symbol-name feed-name-symbol)) t)) | |
979 | result)) | |
980 | ||
981 | (defun newsticker--treeview-count-node-items (feed &optional isvirtual) | |
982 | "Count number of relevant items for a treeview node. | |
983 | FEED gives the name of the feed or group. If ISVIRTUAL is non-nil | |
984 | the feed is a virtual feed." | |
985 | (let* ((num-new 0)) | |
986 | (if feed | |
987 | (if isvirtual | |
988 | (cond ((string= feed "new") | |
989 | (setq num-new (newsticker--stat-num-items-total 'new))) | |
990 | ((string= feed "immortal") | |
991 | (setq num-new (newsticker--stat-num-items-total 'immortal))) | |
992 | ((string= feed "obsolete") | |
993 | (setq num-new (newsticker--stat-num-items-total 'obsolete))) | |
994 | ((string= feed "all") | |
995 | (setq num-new (newsticker--stat-num-items-total)))) | |
996 | (setq num-new (newsticker--stat-num-items-for-group | |
997 | (intern feed) 'new 'immortal)))) | |
998 | num-new)) | |
999 | ||
1000 | (defun newsticker--treeview-tree-update-tag (w &optional recursive | |
1001 | &rest ignore) | |
1002 | "Update tag for tree widget W. | |
1003 | If RECURSIVE is non-nil recursively update parent widgets as | |
1004 | well. Argument IGNORE is ignored. Note that this function, if | |
1005 | called recursively, makes w invalid. You should keep w's nt-id in | |
1006 | that case." | |
2415d4c6 UJ |
1007 | (let* ((parent (widget-get w :parent)) |
1008 | (feed (or (widget-get w :nt-feed) (widget-get parent :nt-feed))) | |
1009 | (vfeed (or (widget-get w :nt-vfeed) (widget-get parent :nt-vfeed))) | |
1010 | (nt-id (or (widget-get w :nt-id) (widget-get parent :nt-id))) | |
1011 | (num-new (newsticker--treeview-count-node-items (or feed vfeed) | |
1012 | vfeed)) | |
1013 | (tag (newsticker--treeview-tree-get-tag feed vfeed nt-id)) | |
1014 | (n (widget-get w :node))) | |
1015 | (if parent | |
1016 | (if recursive | |
1017 | (newsticker--treeview-tree-update-tag parent))) | |
1018 | (when tag | |
1019 | (when n | |
1020 | (widget-put n :tag tag)) | |
1021 | (widget-put w :num-new num-new) | |
1022 | (widget-put w :tag tag) | |
1023 | (when (marker-position (widget-get w :from)) | |
1024 | (let ((p (point)) | |
1025 | (notify (widget-get w :notify))) | |
1026 | ;; FIXME: This moves point!!!! | |
9a529312 | 1027 | (with-current-buffer (newsticker--treeview-tree-buffer) |
2415d4c6 UJ |
1028 | (widget-value-set w (widget-value w))) |
1029 | (goto-char p)))))) | |
a66bb4d5 | 1030 | |
2415d4c6 UJ |
1031 | (defun newsticker--treeview-tree-do-update-tags (widget) |
1032 | "Actually recursively update tags for WIDGET." | |
1033 | (save-excursion | |
1034 | (let ((children (widget-get widget :children))) | |
1035 | (dolist (w children) | |
1036 | (newsticker--treeview-tree-do-update-tags w)) | |
1037 | (newsticker--treeview-tree-update-tag widget)))) | |
1038 | ||
1039 | (defun newsticker--treeview-tree-update-tags (&rest ignore) | |
1040 | "Update all tags of all trees. | |
1041 | Arguments IGNORE are ignored." | |
1042 | (save-current-buffer | |
1043 | (set-buffer (newsticker--treeview-tree-buffer)) | |
1044 | (let ((inhibit-read-only t)) | |
1045 | (newsticker--treeview-tree-do-update-tags | |
1046 | newsticker--treeview-feed-tree) | |
1047 | (newsticker--treeview-tree-do-update-tags | |
1048 | newsticker--treeview-vfeed-tree)) | |
1049 | (tree-widget-set-theme "folder"))) | |
1050 | ||
1051 | (defun newsticker--treeview-tree-update-highlight () | |
1052 | "Update highlight in tree buffer." | |
1053 | (let ((pos (widget-get (newsticker--treeview-get-current-node) :from))) | |
1054 | (unless (or (integerp pos) (and (markerp pos) (marker-position pos))) | |
1055 | (setq pos (widget-get (widget-get | |
1056 | (newsticker--treeview-get-current-node) | |
1057 | :parent) :from))) | |
1058 | (when (or (integerp pos) (and (markerp pos) (marker-position pos))) | |
9a529312 | 1059 | (with-current-buffer (newsticker--treeview-tree-buffer) |
2415d4c6 UJ |
1060 | (goto-char pos) |
1061 | (move-overlay newsticker--tree-selection-overlay | |
2d84f804 | 1062 | (point-at-bol) (1+ (point-at-eol)) |
2415d4c6 | 1063 | (current-buffer))) |
c9aafaaf UJ |
1064 | (if (window-live-p (newsticker--treeview-tree-window)) |
1065 | (set-window-point (newsticker--treeview-tree-window) pos))))) | |
2415d4c6 UJ |
1066 | |
1067 | ;; ====================================================================== | |
1068 | ;;; Toolbar | |
1069 | ;; ====================================================================== | |
2415d4c6 UJ |
1070 | (defvar newsticker-treeview-tool-bar-map |
1071 | (if (featurep 'xemacs) | |
1072 | nil | |
a66bb4d5 GM |
1073 | (if (boundp 'tool-bar-map) |
1074 | (let ((tool-bar-map (make-sparse-keymap))) | |
42c7e61e UJ |
1075 | (tool-bar-add-item "newsticker/prev-feed" |
1076 | 'newsticker-treeview-prev-feed | |
1077 | 'newsticker-treeview-prev-feed | |
1078 | :help "Go to previous feed" | |
1079 | ;;:enable '(newsticker-previous-feed-available-p) FIXME | |
1080 | ) | |
1081 | (tool-bar-add-item "newsticker/prev-item" | |
1082 | 'newsticker-treeview-prev-item | |
1083 | 'newsticker-treeview-prev-item | |
1084 | :help "Go to previous item" | |
1085 | ;;:enable '(newsticker-previous-item-available-p) FIXME | |
1086 | ) | |
1087 | (tool-bar-add-item "newsticker/next-item" | |
1088 | 'newsticker-treeview-next-item | |
1089 | 'newsticker-treeview-next-item | |
1090 | :visible t | |
1091 | :help "Go to next item" | |
1092 | ;;:enable '(newsticker-next-item-available-p) FIXME | |
1093 | ) | |
1094 | (tool-bar-add-item "newsticker/next-feed" | |
1095 | 'newsticker-treeview-next-feed | |
1096 | 'newsticker-treeview-next-feed | |
1097 | :help "Go to next feed" | |
1098 | ;;:enable '(newsticker-next-feed-available-p) FIXME | |
1099 | ) | |
1100 | (tool-bar-add-item "newsticker/mark-immortal" | |
1101 | 'newsticker-treeview-toggle-item-immortal | |
1102 | 'newsticker-treeview-toggle-item-immortal | |
1103 | :help "Toggle current item as immortal" | |
1104 | ;;:enable '(newsticker-item-not-immortal-p) FIXME | |
1105 | ) | |
1106 | (tool-bar-add-item "newsticker/mark-read" | |
1107 | 'newsticker-treeview-mark-item-old | |
1108 | 'newsticker-treeview-mark-item-old | |
1109 | :help "Mark current item as read" | |
1110 | ;;:enable '(newsticker-item-not-old-p) FIXME | |
1111 | ) | |
1112 | (tool-bar-add-item "newsticker/get-all" | |
1113 | 'newsticker-get-all-news | |
1114 | 'newsticker-get-all-news | |
1115 | :help "Get news for all feeds") | |
1116 | (tool-bar-add-item "newsticker/update" | |
1117 | 'newsticker-treeview-update | |
1118 | 'newsticker-treeview-update | |
1119 | :help "Update newsticker buffer") | |
1120 | (tool-bar-add-item "newsticker/browse-url" | |
1121 | 'newsticker-browse-url | |
1122 | 'newsticker-browse-url | |
1123 | :help "Browse URL for item at point") | |
1124 | ;; standard icons / actions | |
a66bb4d5 GM |
1125 | (define-key tool-bar-map [newsticker-sep-1] |
1126 | (list 'menu-item "--double-line")) | |
a66bb4d5 GM |
1127 | (tool-bar-add-item "close" |
1128 | 'newsticker-treeview-quit | |
1129 | 'newsticker-treeview-quit | |
1130 | :help "Close newsticker") | |
1131 | (tool-bar-add-item "preferences" | |
1132 | 'newsticker-customize | |
1133 | 'newsticker-customize | |
1134 | :help "Customize newsticker") | |
1135 | tool-bar-map)))) | |
2415d4c6 UJ |
1136 | |
1137 | ;; ====================================================================== | |
1138 | ;;; actions | |
1139 | ;; ====================================================================== | |
1140 | ||
1141 | (defun newsticker-treeview-mouse-browse-url (event) | |
1142 | "Call `browse-url' for the link of the item at which the EVENT occurred." | |
1143 | (interactive "e") | |
1144 | (save-excursion | |
1145 | (switch-to-buffer (window-buffer (posn-window (event-end event)))) | |
1146 | (let ((url (get-text-property (posn-point (event-end event)) | |
1147 | :nt-link))) | |
1148 | (when url | |
1149 | (browse-url url) | |
1150 | (if newsticker-automatically-mark-visited-items-as-old | |
1151 | (newsticker-treeview-mark-item-old)))))) | |
1152 | ||
1153 | (defun newsticker-treeview-browse-url () | |
1154 | "Call `browse-url' for the link of the item at point." | |
1155 | (interactive) | |
9a529312 | 1156 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
1157 | (let ((url (get-text-property (point) :nt-link))) |
1158 | (when url | |
1159 | (browse-url url) | |
1160 | (if newsticker-automatically-mark-visited-items-as-old | |
1161 | (newsticker-treeview-mark-item-old)))))) | |
1162 | ||
1163 | (defun newsticker--treeview-buffer-init () | |
1164 | "Initialize all treeview buffers." | |
1165 | (setq newsticker--treeview-buffers nil) | |
1166 | (add-to-list 'newsticker--treeview-buffers | |
1167 | (get-buffer-create "*Newsticker Tree*") t) | |
1168 | (add-to-list 'newsticker--treeview-buffers | |
1169 | (get-buffer-create "*Newsticker List*") t) | |
1170 | (add-to-list 'newsticker--treeview-buffers | |
1171 | (get-buffer-create "*Newsticker Item*") t) | |
1172 | ||
1173 | (unless newsticker--selection-overlay | |
9a529312 | 1174 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
1175 | (setq newsticker--selection-overlay (make-overlay (point-min) |
1176 | (point-max))) | |
1177 | (overlay-put newsticker--selection-overlay 'face | |
1178 | 'newsticker-treeview-selection-face))) | |
1179 | (unless newsticker--tree-selection-overlay | |
9a529312 | 1180 | (with-current-buffer (newsticker--treeview-tree-buffer) |
2415d4c6 UJ |
1181 | (setq newsticker--tree-selection-overlay (make-overlay (point-min) |
1182 | (point-max))) | |
1183 | (overlay-put newsticker--tree-selection-overlay 'face | |
1184 | 'newsticker-treeview-selection-face))) | |
1185 | ||
1186 | (newsticker--treeview-tree-update) | |
1187 | (newsticker--treeview-list-update t) | |
1188 | (newsticker--treeview-item-update)) | |
1189 | ||
1190 | (defun newsticker-treeview-update () | |
c9aafaaf UJ |
1191 | "Update all treeview buffers and windows. |
1192 | Note: does not update the layout." | |
2415d4c6 | 1193 | (interactive) |
0c74a301 | 1194 | (let ((cur-item (newsticker--treeview-get-selected-item))) |
dba0634a UJ |
1195 | (if (newsticker--group-manage-orphan-feeds) |
1196 | (newsticker--treeview-tree-update)) | |
0c74a301 UJ |
1197 | (newsticker--treeview-list-update t) |
1198 | (newsticker--treeview-item-update) | |
1199 | (newsticker--treeview-tree-update-tags) | |
1200 | (cond (newsticker--treeview-current-feed | |
1201 | (newsticker--treeview-list-items newsticker--treeview-current-feed)) | |
1202 | (newsticker--treeview-current-vfeed | |
1203 | (newsticker--treeview-list-items-with-age | |
1204 | (intern newsticker--treeview-current-vfeed)))) | |
1205 | (newsticker--treeview-tree-update-highlight) | |
1206 | (newsticker--treeview-list-update-highlight) | |
1207 | (let ((cur-feed (or newsticker--treeview-current-feed | |
1208 | newsticker--treeview-current-vfeed))) | |
1209 | (if (and cur-feed cur-item) | |
1210 | (newsticker--treeview-list-select cur-item))))) | |
2415d4c6 UJ |
1211 | |
1212 | (defun newsticker-treeview-quit () | |
1213 | "Quit newsticker treeview." | |
1214 | (interactive) | |
2415d4c6 | 1215 | (setq newsticker--sentinel-callback nil) |
2415d4c6 UJ |
1216 | (bury-buffer "*Newsticker Tree*") |
1217 | (bury-buffer "*Newsticker List*") | |
1218 | (bury-buffer "*Newsticker Item*") | |
1219 | (set-window-configuration newsticker--saved-window-config) | |
1220 | (when newsticker--frame | |
1221 | (if (frame-live-p newsticker--frame) | |
1222 | (delete-frame newsticker--frame)) | |
77a01f9b UJ |
1223 | (setq newsticker--frame nil)) |
1224 | (newsticker-treeview-save)) | |
2415d4c6 UJ |
1225 | |
1226 | (defun newsticker-treeview-save () | |
1227 | "Save newsticker data including treeview settings." | |
1228 | (interactive) | |
9a529312 SM |
1229 | (let ((coding-system-for-write 'utf-8) |
1230 | (buf (find-file-noselect (concat newsticker-dir "/groups")))) | |
1231 | (when buf | |
1232 | (with-current-buffer buf | |
2415d4c6 UJ |
1233 | (setq buffer-undo-list t) |
1234 | (erase-buffer) | |
1235 | (insert ";; -*- coding: utf-8 -*-\n") | |
1236 | (insert (prin1-to-string newsticker-groups)) | |
908e900d UJ |
1237 | (save-buffer) |
1238 | (kill-buffer))))) | |
2415d4c6 UJ |
1239 | |
1240 | (defun newsticker--treeview-load () | |
1241 | "Load treeview settings." | |
1242 | (let* ((coding-system-for-read 'utf-8) | |
a59c6c51 UJ |
1243 | (filename |
1244 | (or (and (file-exists-p newsticker-groups-filename) | |
1245 | (y-or-n-p | |
1246 | (format "Old newsticker groups (%s) file exists. Read it? " | |
1247 | newsticker-groups-filename)) | |
1248 | newsticker-groups-filename) | |
1249 | (concat newsticker-dir "/groups"))) | |
77a01f9b UJ |
1250 | (buf (and (file-exists-p filename) |
1251 | (find-file-noselect filename)))) | |
12272241 JB |
1252 | (and (file-exists-p newsticker-groups-filename) |
1253 | (y-or-n-p (format "Delete old newsticker groups file? ")) | |
1254 | (delete-file newsticker-groups-filename)) | |
2415d4c6 UJ |
1255 | (when buf |
1256 | (set-buffer buf) | |
1257 | (goto-char (point-min)) | |
1258 | (condition-case nil | |
1259 | (setq newsticker-groups (read buf)) | |
1260 | (error | |
1261 | (message "Error while reading newsticker groups file!") | |
908e900d UJ |
1262 | (setq newsticker-groups nil))) |
1263 | (kill-buffer buf)))) | |
2415d4c6 UJ |
1264 | |
1265 | ||
1266 | (defun newsticker-treeview-scroll-item () | |
1267 | "Scroll current item." | |
1268 | (interactive) | |
1269 | (save-selected-window | |
1270 | (select-window (newsticker--treeview-item-window) t) | |
1271 | (scroll-up 1))) | |
1272 | ||
1273 | (defun newsticker-treeview-show-item () | |
1274 | "Show current item." | |
1275 | (interactive) | |
c9aafaaf | 1276 | (newsticker--treeview-restore-layout) |
2415d4c6 | 1277 | (newsticker--treeview-list-update-highlight) |
9a529312 | 1278 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
1279 | (beginning-of-line) |
1280 | (let ((item (get-text-property (point) :nt-item)) | |
1281 | (feed (get-text-property (point) :nt-feed))) | |
1282 | (newsticker--treeview-item-show item feed))) | |
1283 | (newsticker--treeview-tree-update-tag | |
1284 | (newsticker--treeview-get-current-node) t) | |
1285 | (newsticker--treeview-tree-update-highlight)) | |
1286 | ||
1287 | (defun newsticker-treeview-next-item () | |
1288 | "Move to next item." | |
1289 | (interactive) | |
c9aafaaf | 1290 | (newsticker--treeview-restore-layout) |
2415d4c6 UJ |
1291 | (save-current-buffer |
1292 | (set-buffer (newsticker--treeview-list-buffer)) | |
1293 | (if (newsticker--treeview-list-highlight-start) | |
1294 | (forward-line 1)) | |
1295 | (if (eobp) | |
1296 | (forward-line -1))) | |
1297 | (newsticker-treeview-show-item)) | |
1298 | ||
1299 | (defun newsticker-treeview-prev-item () | |
1300 | "Move to previous item." | |
1301 | (interactive) | |
c9aafaaf | 1302 | (newsticker--treeview-restore-layout) |
2415d4c6 UJ |
1303 | (save-current-buffer |
1304 | (set-buffer (newsticker--treeview-list-buffer)) | |
1305 | (forward-line -1)) | |
1306 | (newsticker-treeview-show-item)) | |
1307 | ||
a8c98868 | 1308 | (defun newsticker-treeview-next-new-or-immortal-item (&optional |
201af049 UJ |
1309 | current-item-counts |
1310 | dont-wrap-trees) | |
a8c98868 UJ |
1311 | "Move to next new or immortal item. |
1312 | Will move to next feed until an item is found. Will not move if | |
1313 | optional argument CURRENT-ITEM-COUNTS is t and current item is | |
0c74a301 UJ |
1314 | new or immortal. Will not move from virtual to ordinary feed |
1315 | tree or vice versa if optional argument DONT-WRAP-TREES is non-nil." | |
2415d4c6 | 1316 | (interactive) |
c9aafaaf | 1317 | (newsticker--treeview-restore-layout) |
2415d4c6 | 1318 | (newsticker--treeview-list-clear-highlight) |
a8c98868 UJ |
1319 | (unless (catch 'found |
1320 | (let ((move (not current-item-counts))) | |
1321 | (while t | |
1322 | (save-current-buffer | |
1323 | (set-buffer (newsticker--treeview-list-buffer)) | |
1324 | (when move (forward-line 1) | |
1325 | (when (eobp) | |
1326 | (forward-line -1) | |
1327 | (throw 'found nil)))) | |
1328 | (when (memq (newsticker--age | |
1329 | (newsticker--treeview-get-selected-item)) | |
1330 | '(new immortal)) | |
1331 | (newsticker-treeview-show-item) | |
1332 | (throw 'found t)) | |
1333 | (setq move t)))) | |
201af049 UJ |
1334 | (let ((wrap-trees (not dont-wrap-trees))) |
1335 | (when (or (newsticker-treeview-next-feed t) | |
1336 | (and wrap-trees (newsticker--treeview-first-feed))) | |
1337 | (newsticker-treeview-next-new-or-immortal-item t t))))) | |
2415d4c6 UJ |
1338 | |
1339 | (defun newsticker-treeview-prev-new-or-immortal-item () | |
a8c98868 UJ |
1340 | "Move to previous new or immortal item. |
1341 | Will move to previous feed until an item is found." | |
2415d4c6 | 1342 | (interactive) |
c9aafaaf | 1343 | (newsticker--treeview-restore-layout) |
2415d4c6 | 1344 | (newsticker--treeview-list-clear-highlight) |
a8c98868 UJ |
1345 | (unless (catch 'found |
1346 | (while t | |
1347 | (save-current-buffer | |
1348 | (set-buffer (newsticker--treeview-list-buffer)) | |
1349 | (when (bobp) | |
1350 | (throw 'found nil)) | |
1351 | (forward-line -1)) | |
1352 | (when (memq (newsticker--age | |
1353 | (newsticker--treeview-get-selected-item)) | |
1354 | '(new immortal)) | |
1355 | (newsticker-treeview-show-item) | |
1356 | (throw 'found t)) | |
1357 | (when (bobp) | |
1358 | (throw 'found nil)))) | |
1359 | (when (newsticker-treeview-prev-feed t) | |
1360 | (set-buffer (newsticker--treeview-list-buffer)) | |
1361 | (goto-char (point-max)) | |
1362 | (newsticker-treeview-prev-new-or-immortal-item)))) | |
2415d4c6 UJ |
1363 | |
1364 | (defun newsticker--treeview-get-selected-item () | |
1365 | "Return item that is currently selected in list buffer." | |
9a529312 | 1366 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
1367 | (beginning-of-line) |
1368 | (get-text-property (point) :nt-item))) | |
1369 | ||
1370 | (defun newsticker-treeview-mark-item-old (&optional dont-proceed) | |
1371 | "Mark current item as old unless it is obsolete. | |
1372 | Move to next item unless DONT-PROCEED is non-nil." | |
1373 | (interactive) | |
1374 | (let ((item (newsticker--treeview-get-selected-item))) | |
1375 | (unless (eq (newsticker--age item) 'obsolete) | |
1376 | (newsticker--treeview-mark-item item 'old))) | |
1377 | (unless dont-proceed | |
1378 | (newsticker-treeview-next-item))) | |
1379 | ||
1380 | (defun newsticker-treeview-toggle-item-immortal () | |
1381 | "Toggle immortality of current item." | |
1382 | (interactive) | |
1383 | (let* ((item (newsticker--treeview-get-selected-item)) | |
1384 | (new-age (if (eq (newsticker--age item) 'immortal) | |
1385 | 'old | |
1386 | 'immortal))) | |
1387 | (newsticker--treeview-mark-item item new-age) | |
1388 | (newsticker-treeview-next-item))) | |
1389 | ||
1390 | (defun newsticker--treeview-mark-item (item new-age) | |
1391 | "Mark ITEM with NEW-AGE." | |
1392 | (when item | |
1393 | (setcar (nthcdr 4 item) new-age) | |
1394 | ;; clean up ticker FIXME | |
c9aafaaf | 1395 | ) |
a59c6c51 UJ |
1396 | (newsticker--cache-save-feed |
1397 | (newsticker--cache-get-feed (intern newsticker--treeview-current-feed))) | |
1398 | (newsticker--treeview-tree-do-update-tags newsticker--treeview-vfeed-tree)) | |
2415d4c6 UJ |
1399 | |
1400 | (defun newsticker-treeview-mark-list-items-old () | |
1401 | "Mark all listed items as old." | |
1402 | (interactive) | |
1403 | (let ((current-feed (or newsticker--treeview-current-feed | |
1404 | newsticker--treeview-current-vfeed))) | |
9a529312 | 1405 | (with-current-buffer (newsticker--treeview-list-buffer) |
2415d4c6 UJ |
1406 | (goto-char (point-min)) |
1407 | (while (not (eobp)) | |
1408 | (let ((item (get-text-property (point) :nt-item))) | |
1409 | (unless (memq (newsticker--age item) '(immortal obsolete)) | |
1410 | (newsticker--treeview-mark-item item 'old))) | |
1411 | (forward-line 1))) | |
1412 | (newsticker--treeview-tree-update-tags) | |
1413 | (if current-feed | |
1414 | (newsticker-treeview-jump current-feed)))) | |
1415 | ||
1416 | (defun newsticker-treeview-save-item () | |
1417 | "Save current item." | |
1418 | (interactive) | |
1419 | (newsticker-save-item (or newsticker--treeview-current-feed | |
1420 | newsticker--treeview-current-vfeed) | |
1421 | (newsticker--treeview-get-selected-item))) | |
1422 | ||
4367e4b2 UJ |
1423 | (defun newsticker-treeview-browse-url-item () |
1424 | "Convert current item to HTML and call `browse-url' on result." | |
1425 | (interactive) | |
1426 | (newsticker-browse-url-item (or newsticker--treeview-current-feed | |
1427 | newsticker--treeview-current-vfeed) | |
1428 | (newsticker--treeview-get-selected-item))) | |
1429 | ||
2415d4c6 UJ |
1430 | (defun newsticker--treeview-set-current-node (node) |
1431 | "Make NODE the current node." | |
9a529312 | 1432 | (with-current-buffer (newsticker--treeview-tree-buffer) |
2415d4c6 UJ |
1433 | (setq newsticker--treeview-current-node-id |
1434 | (widget-get node :nt-id)) | |
1435 | (setq newsticker--treeview-current-feed (widget-get node :nt-feed)) | |
1436 | (setq newsticker--treeview-current-vfeed (widget-get node :nt-vfeed)) | |
2415d4c6 UJ |
1437 | (newsticker--treeview-tree-update-highlight))) |
1438 | ||
1439 | (defun newsticker--treeview-get-first-child (node) | |
1440 | "Get first child of NODE." | |
1441 | (let ((children (widget-get node :children))) | |
1442 | (if children | |
1443 | (car children) | |
1444 | nil))) | |
1445 | ||
1446 | (defun newsticker--treeview-get-second-child (node) | |
1447 | "Get scond child of NODE." | |
1448 | (let ((children (widget-get node :children))) | |
1449 | (if children | |
1450 | (car (cdr children)) | |
1451 | nil))) | |
1452 | ||
1453 | (defun newsticker--treeview-get-last-child (node) | |
1454 | "Get last child of NODE." | |
1455 | ;;(message "newsticker--treeview-get-last-child %s" (widget-get node :tag)) | |
1456 | (let ((children (widget-get node :children))) | |
1457 | (if children | |
1458 | (car (reverse children)) | |
1459 | nil))) | |
1460 | ||
1461 | (defun newsticker--treeview-get-feed-vfeed (node) | |
1462 | "Get (virtual) feed of NODE." | |
1463 | (or (widget-get node :nt-feed) (widget-get node :nt-vfeed))) | |
1464 | ||
1465 | (defun newsticker--treeview-get-next-sibling (node) | |
1466 | "Get next sibling of NODE." | |
1467 | (let ((parent (widget-get node :parent))) | |
1468 | (catch 'found | |
1469 | (let ((children (widget-get parent :children))) | |
1470 | (while children | |
1471 | (if (newsticker--treeview-nodes-eq (car children) node) | |
1472 | (throw 'found (car (cdr children)))) | |
1473 | (setq children (cdr children))))))) | |
1474 | ||
1475 | (defun newsticker--treeview-get-prev-sibling (node) | |
1476 | "Get previous sibling of NODE." | |
1477 | (let ((parent (widget-get node :parent))) | |
1478 | (catch 'found | |
1479 | (let ((children (widget-get parent :children)) | |
1480 | (prev nil)) | |
1481 | (while children | |
1482 | (if (and (newsticker--treeview-nodes-eq (car children) node) | |
1483 | (widget-get prev :nt-id)) | |
1484 | (throw 'found prev)) | |
1485 | (setq prev (car children)) | |
1486 | (setq children (cdr children))))))) | |
1487 | ||
1488 | (defun newsticker--treeview-get-next-uncle (node) | |
1489 | "Get next uncle of NODE, i.e. parent's next sibling." | |
1490 | (let* ((parent (widget-get node :parent)) | |
1491 | (grand-parent (widget-get parent :parent))) | |
1492 | (catch 'found | |
1493 | (let ((uncles (widget-get grand-parent :children))) | |
1494 | (while uncles | |
1495 | (if (newsticker--treeview-nodes-eq (car uncles) parent) | |
1496 | (throw 'found (car (cdr uncles)))) | |
1497 | (setq uncles (cdr uncles))))))) | |
1498 | ||
1499 | (defun newsticker--treeview-get-prev-uncle (node) | |
1500 | "Get previous uncle of NODE, i.e. parent's previous sibling." | |
1501 | (let* ((parent (widget-get node :parent)) | |
1502 | (grand-parent (widget-get parent :parent))) | |
1503 | (catch 'found | |
1504 | (let ((uncles (widget-get grand-parent :children)) | |
1505 | (prev nil)) | |
1506 | (while uncles | |
1507 | (if (newsticker--treeview-nodes-eq (car uncles) parent) | |
1508 | (throw 'found prev)) | |
1509 | (setq prev (car uncles)) | |
1510 | (setq uncles (cdr uncles))))))) | |
1511 | ||
1512 | (defun newsticker--treeview-get-other-tree () | |
1513 | "Get other tree." | |
1514 | (if (and (newsticker--treeview-get-current-node) | |
1515 | (widget-get (newsticker--treeview-get-current-node) :nt-feed)) | |
1516 | newsticker--treeview-vfeed-tree | |
1517 | newsticker--treeview-feed-tree)) | |
1518 | ||
1519 | (defun newsticker--treeview-activate-node (node &optional backward) | |
1520 | "Activate NODE. | |
1521 | If NODE is a tree widget the node's first subnode is activated. | |
1522 | If BACKWARD is non-nil the last subnode of the previous sibling | |
1523 | is activated." | |
1524 | (newsticker--treeview-set-current-node node) | |
1525 | (save-current-buffer | |
1526 | (set-buffer (newsticker--treeview-tree-buffer)) | |
1527 | (cond ((eq (widget-type node) 'tree-widget) | |
1528 | (unless (widget-get node :open) | |
1529 | (widget-put node :open nil) | |
1530 | (widget-apply-action node)) | |
1531 | (newsticker--treeview-activate-node | |
1532 | (if backward | |
1533 | (newsticker--treeview-get-last-child node) | |
1534 | (newsticker--treeview-get-second-child node)))) | |
1535 | (node | |
1536 | (widget-apply-action node))))) | |
1537 | ||
80016d6e | 1538 | (defun newsticker--treeview-first-feed () |
0c74a301 | 1539 | "Jump to the depth-first feed in the `newsticker-groups' tree." |
80016d6e UJ |
1540 | (newsticker-treeview-jump |
1541 | (car (reverse (newsticker--group-get-feeds newsticker-groups t))))) | |
1542 | ||
a8c98868 UJ |
1543 | (defun newsticker-treeview-next-feed (&optional stay-in-tree) |
1544 | "Move to next feed. | |
1545 | Optional argument STAY-IN-TREE prevents moving from real feed | |
1546 | tree to virtual feed tree or vice versa. | |
1547 | Return t if a new feed was activated, nil otherwise." | |
2415d4c6 | 1548 | (interactive) |
c9aafaaf | 1549 | (newsticker--treeview-restore-layout) |
a8c98868 UJ |
1550 | (let ((cur (newsticker--treeview-get-current-node)) |
1551 | (new nil)) | |
80016d6e UJ |
1552 | (setq new |
1553 | (if cur | |
1554 | (or (newsticker--treeview-get-next-sibling cur) | |
1555 | (newsticker--treeview-get-next-uncle cur) | |
1556 | (and (not stay-in-tree) | |
1557 | (newsticker--treeview-get-other-tree))) | |
1558 | (car (widget-get newsticker--treeview-feed-tree :children)))) | |
1559 | (if new | |
1560 | (progn | |
1561 | (newsticker--treeview-activate-node new) | |
1562 | (newsticker--treeview-tree-update-highlight) | |
1563 | (not (eq new cur))) | |
a8c98868 | 1564 | nil))) |
2415d4c6 | 1565 | |
a8c98868 UJ |
1566 | (defun newsticker-treeview-prev-feed (&optional stay-in-tree) |
1567 | "Move to previous feed. | |
1568 | Optional argument STAY-IN-TREE prevents moving from real feed | |
1569 | tree to virtual feed tree or vice versa. | |
1570 | Return t if a new feed was activated, nil otherwise." | |
2415d4c6 | 1571 | (interactive) |
c9aafaaf | 1572 | (newsticker--treeview-restore-layout) |
a8c98868 UJ |
1573 | (let ((cur (newsticker--treeview-get-current-node)) |
1574 | (new nil)) | |
2415d4c6 | 1575 | (if cur |
a8c98868 UJ |
1576 | (progn |
1577 | (setq new | |
1578 | (if cur | |
1579 | (or (newsticker--treeview-get-prev-sibling cur) | |
1580 | (newsticker--treeview-get-prev-uncle cur) | |
1581 | (and (not stay-in-tree) | |
1582 | (newsticker--treeview-get-other-tree))) | |
1583 | (car (widget-get newsticker--treeview-feed-tree :children)))) | |
1584 | (if new | |
1585 | (progn | |
1586 | (newsticker--treeview-activate-node new t) | |
1587 | (newsticker--treeview-tree-update-highlight) | |
1588 | (not (eq new cur))) | |
1589 | nil)) | |
1590 | nil))) | |
12272241 | 1591 | |
2415d4c6 UJ |
1592 | (defun newsticker-treeview-next-page () |
1593 | "Scroll item buffer." | |
1594 | (interactive) | |
1595 | (save-selected-window | |
1596 | (select-window (newsticker--treeview-item-window) t) | |
1597 | (condition-case nil | |
1598 | (scroll-up nil) | |
1599 | (error | |
1600 | (goto-char (point-min)))))) | |
1601 | ||
1602 | ||
1603 | (defun newsticker--treeview-unfold-node (feed-name) | |
1604 | "Recursively show subtree above the node that represents FEED-NAME." | |
1605 | (let ((node (newsticker--treeview-get-node-of-feed feed-name))) | |
1606 | (unless node | |
1607 | (let* ((group-name (or (car (newsticker--group-find-group-for-feed | |
1608 | feed-name)) | |
1609 | (newsticker--group-get-parent-group | |
1610 | feed-name)))) | |
1611 | (newsticker--treeview-unfold-node group-name)) | |
1612 | (setq node (newsticker--treeview-get-node-of-feed feed-name))) | |
1613 | (when node | |
9a529312 | 1614 | (with-current-buffer (newsticker--treeview-tree-buffer) |
2415d4c6 UJ |
1615 | (widget-put node :nt-selected t) |
1616 | (widget-apply-action node) | |
1617 | (newsticker--treeview-set-current-node node))))) | |
1618 | ||
1619 | (defun newsticker-treeview-jump (feed-name) | |
1620 | "Jump to feed FEED-NAME in newsticker treeview." | |
1621 | (interactive | |
1622 | (list (let ((completion-ignore-case t)) | |
2415d4c6 UJ |
1623 | (completing-read |
1624 | "Jump to feed: " | |
b0f439fc UJ |
1625 | (append '("new" "obsolete" "immortal" "all") |
1626 | (mapcar 'car (append newsticker-url-list | |
1627 | newsticker-url-list-defaults))) | |
1628 | nil t)))) | |
2415d4c6 UJ |
1629 | (newsticker--treeview-unfold-node feed-name)) |
1630 | ||
1631 | ;; ====================================================================== | |
1632 | ;;; Groups | |
1633 | ;; ====================================================================== | |
1634 | (defun newsticker--group-do-find-group-for-feed (feed-name node) | |
1635 | "Recursively find FEED-NAME in NODE." | |
1636 | (if (member feed-name (cdr node)) | |
1637 | (throw 'found node) | |
1638 | (mapc (lambda (n) | |
1639 | (if (listp n) | |
1640 | (newsticker--group-do-find-group-for-feed feed-name n))) | |
1641 | (cdr node)))) | |
1642 | ||
1643 | (defun newsticker--group-find-group-for-feed (feed-name) | |
1644 | "Find group containing FEED-NAME." | |
1645 | (catch 'found | |
1646 | (newsticker--group-do-find-group-for-feed feed-name | |
1647 | newsticker-groups) | |
1648 | nil)) | |
1649 | ||
1650 | (defun newsticker--group-do-get-group (name node) | |
1651 | "Recursively find group with NAME below NODE." | |
1652 | (if (string= name (car node)) | |
1653 | (throw 'found node) | |
1654 | (mapc (lambda (n) | |
1655 | (if (listp n) | |
1656 | (newsticker--group-do-get-group name n))) | |
1657 | (cdr node)))) | |
1658 | ||
1659 | (defun newsticker--group-get-group (name) | |
1660 | "Find group with NAME." | |
1661 | (catch 'found | |
1662 | (mapc (lambda (n) | |
1663 | (if (listp n) | |
1664 | (newsticker--group-do-get-group name n))) | |
1665 | newsticker-groups) | |
1666 | nil)) | |
1667 | ||
1668 | (defun newsticker--group-do-get-parent-group (name node parent) | |
1669 | "Recursively find parent group for NAME from NODE which is a child of PARENT." | |
1670 | (if (string= name (car node)) | |
1671 | (throw 'found parent) | |
1672 | (mapc (lambda (n) | |
1673 | (if (listp n) | |
1674 | (newsticker--group-do-get-parent-group name n (car node)))) | |
1675 | (cdr node)))) | |
1676 | ||
1677 | (defun newsticker--group-get-parent-group (name) | |
1678 | "Find parent group for group named NAME." | |
1679 | (catch 'found | |
1680 | (mapc (lambda (n) | |
1681 | (if (listp n) | |
1682 | (newsticker--group-do-get-parent-group | |
1683 | name n (car newsticker-groups)))) | |
1684 | newsticker-groups) | |
1685 | nil)) | |
1686 | ||
1687 | ||
1688 | (defun newsticker--group-get-subgroups (group &optional recursive) | |
1689 | "Return list of subgroups for GROUP. | |
1690 | If RECURSIVE is non-nil recursively get subgroups and return a nested list." | |
1691 | (let ((result nil)) | |
1692 | (mapc (lambda (n) | |
1693 | (when (listp n) | |
1694 | (setq result (cons (car n) result)) | |
1695 | (let ((subgroups (newsticker--group-get-subgroups n recursive))) | |
1696 | (when subgroups | |
1697 | (setq result (append subgroups result)))))) | |
1698 | group) | |
1699 | result)) | |
1700 | ||
1701 | (defun newsticker--group-all-groups () | |
1702 | "Return nested list of all groups." | |
1703 | (newsticker--group-get-subgroups newsticker-groups t)) | |
1704 | ||
1705 | (defun newsticker--group-get-feeds (group &optional recursive) | |
1706 | "Return list of all feeds in GROUP. | |
1707 | If RECURSIVE is non-nil recursively get feeds of subgroups and | |
1708 | return a nested list." | |
1709 | (let ((result nil)) | |
1710 | (mapc (lambda (n) | |
1711 | (if (not (listp n)) | |
1712 | (setq result (cons n result)) | |
1713 | (if recursive | |
1714 | (let ((subfeeds (newsticker--group-get-feeds n t))) | |
1715 | (when subfeeds | |
1716 | (setq result (append subfeeds result))))))) | |
80016d6e | 1717 | (cdr group)) |
2415d4c6 UJ |
1718 | result)) |
1719 | ||
1720 | (defun newsticker-group-add-group (name parent) | |
1721 | "Add group NAME to group PARENT." | |
1722 | (interactive | |
1723 | (list (read-string "Group Name: ") | |
1724 | (let ((completion-ignore-case t)) | |
2415d4c6 UJ |
1725 | (completing-read "Parent Group: " (newsticker--group-all-groups) |
1726 | nil t)))) | |
2415d4c6 UJ |
1727 | (if (newsticker--group-get-group name) |
1728 | (error "Group %s exists already" name)) | |
1729 | (let ((p (if (and parent (not (string= parent ""))) | |
1730 | (newsticker--group-get-group parent) | |
1731 | newsticker-groups))) | |
1732 | (unless p | |
1733 | (error "Parent %s does not exist" parent)) | |
1734 | (setcdr p (cons (list name) (cdr p)))) | |
1735 | (newsticker--treeview-tree-update)) | |
1736 | ||
1737 | (defun newsticker-group-move-feed (name group-name &optional no-update) | |
1738 | "Move feed NAME to group GROUP-NAME. | |
1739 | Update teeview afterwards unless NO-UPDATE is non-nil." | |
1740 | (interactive | |
1741 | (let ((completion-ignore-case t)) | |
2415d4c6 UJ |
1742 | (list (completing-read "Feed Name: " |
1743 | (mapcar 'car newsticker-url-list) | |
1744 | nil t newsticker--treeview-current-feed) | |
1745 | (completing-read "Group Name: " (newsticker--group-all-groups) | |
1746 | nil t)))) | |
2415d4c6 UJ |
1747 | (let ((group (if (and group-name (not (string= group-name ""))) |
1748 | (newsticker--group-get-group group-name) | |
1749 | newsticker-groups))) | |
1750 | (unless group | |
1751 | (error "Group %s does not exist" group-name)) | |
1752 | (while (let ((old-group | |
1753 | (newsticker--group-find-group-for-feed name))) | |
1754 | (when old-group | |
1755 | (delete name old-group)) | |
1756 | old-group)) | |
1757 | (setcdr group (cons name (cdr group))) | |
1758 | (unless no-update | |
1759 | (newsticker--treeview-tree-update) | |
1760 | (newsticker-treeview-update)))) | |
1761 | ||
1762 | (defun newsticker-group-delete-group (name) | |
1763 | "Remove group NAME." | |
1764 | (interactive | |
1765 | (let ((completion-ignore-case t)) | |
2415d4c6 UJ |
1766 | (list (completing-read "Group Name: " (newsticker--group-all-groups) |
1767 | nil t)))) | |
2415d4c6 UJ |
1768 | (let* ((g (newsticker--group-get-group name)) |
1769 | (p (or (newsticker--group-get-parent-group name) | |
1770 | newsticker-groups))) | |
1771 | (unless g | |
1772 | (error "Group %s does not exist" name)) | |
1773 | (delete g p)) | |
1774 | (newsticker--treeview-tree-update)) | |
1775 | ||
1776 | (defun newsticker--count-groups (group) | |
1777 | "Recursively count number of subgroups of GROUP." | |
1778 | (let ((result 1)) | |
1779 | (mapc (lambda (g) | |
1780 | (if (listp g) | |
1781 | (setq result (+ result (newsticker--count-groups g))))) | |
1782 | (cdr group)) | |
1783 | result)) | |
1784 | ||
1785 | (defun newsticker--count-grouped-feeds (group) | |
1786 | "Recursively count number of feeds in GROUP and its subgroups." | |
1787 | (let ((result 0)) | |
1788 | (mapc (lambda (g) | |
1789 | (if (listp g) | |
1790 | (setq result (+ result (newsticker--count-grouped-feeds g))) | |
1791 | (setq result (1+ result)))) | |
1792 | (cdr group)) | |
1793 | result)) | |
1794 | ||
1795 | (defun newsticker--group-remove-obsolete-feeds (group) | |
1796 | "Recursively remove obselete feeds from GROUP." | |
1797 | (let ((result nil) | |
1798 | (urls (append newsticker-url-list newsticker-url-list-defaults))) | |
1799 | (mapc (lambda (g) | |
1800 | (if (listp g) | |
1801 | (let ((sub-groups | |
1802 | (newsticker--group-remove-obsolete-feeds g))) | |
1803 | (if sub-groups | |
1804 | (setq result (cons sub-groups result)))) | |
1805 | (if (assoc g urls) | |
1806 | (setq result (cons g result))))) | |
1807 | (cdr group)) | |
1808 | (if result | |
1809 | (cons (car group) (reverse result)) | |
1810 | result))) | |
1811 | ||
1812 | (defun newsticker--group-manage-orphan-feeds () | |
1813 | "Put unmanaged feeds into `newsticker-groups'. | |
dba0634a UJ |
1814 | Remove obsolete feeds as well. |
1815 | Return t if groups have changed, nil otherwise." | |
574ec565 UJ |
1816 | (unless newsticker-groups |
1817 | (setq newsticker-groups '("Feeds"))) | |
2415d4c6 UJ |
1818 | (let ((new-feed nil) |
1819 | (grouped-feeds (newsticker--count-grouped-feeds newsticker-groups))) | |
1820 | (mapc (lambda (f) | |
1821 | (unless (newsticker--group-find-group-for-feed (car f)) | |
1822 | (setq new-feed t) | |
1823 | (newsticker-group-move-feed (car f) nil t))) | |
1824 | (append newsticker-url-list-defaults newsticker-url-list)) | |
1825 | (setq newsticker-groups | |
1826 | (newsticker--group-remove-obsolete-feeds newsticker-groups)) | |
dba0634a UJ |
1827 | (or new-feed |
1828 | (not (= grouped-feeds | |
1829 | (newsticker--count-grouped-feeds newsticker-groups)))))) | |
2415d4c6 UJ |
1830 | |
1831 | ;; ====================================================================== | |
1832 | ;;; Modes | |
1833 | ;; ====================================================================== | |
1834 | (defun newsticker--treeview-create-groups-menu (group-list | |
1835 | excluded-group) | |
1836 | "Create menu for GROUP-LIST omitting EXCLUDED-GROUP." | |
1837 | (let ((menu (make-sparse-keymap (if (stringp (car group-list)) | |
1838 | (car group-list) | |
1839 | "Move to group...")))) | |
1840 | (mapc (lambda (g) | |
1841 | (when (listp g) | |
1842 | (let ((title (if (stringp (car g)) | |
1843 | (car g) | |
1844 | "Move to group..."))) | |
1845 | (unless (eq g excluded-group) | |
1846 | (define-key menu (vector (intern title)) | |
1847 | (list 'menu-item title | |
1848 | (newsticker--treeview-create-groups-menu | |
1849 | (cdr g) excluded-group))))))) | |
1850 | (reverse group-list)) | |
1851 | menu)) | |
1852 | ||
1853 | (defun newsticker--treeview-create-tree-menu (feed-name) | |
1854 | "Create tree menu for FEED-NAME." | |
1855 | (let ((menu (make-sparse-keymap feed-name))) | |
1856 | (define-key menu [newsticker-treeview-mark-list-items-old] | |
1857 | (list 'menu-item "Mark all items old" | |
1858 | 'newsticker-treeview-mark-list-items-old)) | |
1859 | (define-key menu [move] | |
1860 | (list 'menu-item "Move to group..." | |
1861 | (newsticker--treeview-create-groups-menu | |
1862 | newsticker-groups | |
1863 | (newsticker--group-get-group feed-name)))) | |
1864 | menu)) | |
1865 | ||
2415d4c6 UJ |
1866 | (defvar newsticker-treeview-list-menu |
1867 | (let ((menu (make-sparse-keymap "Newsticker List"))) | |
1868 | (define-key menu [newsticker-treeview-mark-list-items-old] | |
1869 | (list 'menu-item "Mark all items old" | |
1870 | 'newsticker-treeview-mark-list-items-old)) | |
0c74a301 UJ |
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)) | |
2415d4c6 | 1880 | menu) |
0c74a301 UJ |
1881 | "Map for newsticker list menu.") |
1882 | ||
1883 | (defvar newsticker-treeview-item-menu | |
1884 | (let ((menu (make-sparse-keymap "Newsticker Item"))) | |
1885 | (define-key menu [newsticker-treeview-mark-item-old] | |
1886 | (list 'menu-item "Mark current item old" | |
1887 | 'newsticker-treeview-mark-item-old)) | |
1888 | (define-key menu [newsticker-treeview-toggle-item-immortal] | |
1889 | (list 'menu-item "Mark current item immortal (toggle)" | |
1890 | 'newsticker-treeview-toggle-item-immortal)) | |
1891 | (define-key menu [newsticker-treeview-get-news] | |
1892 | (list 'menu-item "Get news for current feed" | |
1893 | 'newsticker-treeview-get-news)) | |
1894 | menu) | |
1895 | "Map for newsticker item menu.") | |
2415d4c6 | 1896 | |
2415d4c6 UJ |
1897 | (defvar newsticker-treeview-mode-map |
1898 | (let ((map (make-sparse-keymap 'newsticker-treeview-mode-map))) | |
1899 | (define-key map " " 'newsticker-treeview-next-page) | |
1900 | (define-key map "a" 'newsticker-add-url) | |
4367e4b2 | 1901 | (define-key map "b" 'newsticker-treeview-browse-url-item) |
2415d4c6 UJ |
1902 | (define-key map "F" 'newsticker-treeview-prev-feed) |
1903 | (define-key map "f" 'newsticker-treeview-next-feed) | |
1904 | (define-key map "g" 'newsticker-treeview-get-news) | |
1905 | (define-key map "G" 'newsticker-get-all-news) | |
1906 | (define-key map "i" 'newsticker-treeview-toggle-item-immortal) | |
1907 | (define-key map "j" 'newsticker-treeview-jump) | |
1908 | (define-key map "n" 'newsticker-treeview-next-item) | |
1909 | (define-key map "N" 'newsticker-treeview-next-new-or-immortal-item) | |
1910 | (define-key map "O" 'newsticker-treeview-mark-list-items-old) | |
1911 | (define-key map "o" 'newsticker-treeview-mark-item-old) | |
1912 | (define-key map "p" 'newsticker-treeview-prev-item) | |
1913 | (define-key map "P" 'newsticker-treeview-prev-new-or-immortal-item) | |
1914 | (define-key map "q" 'newsticker-treeview-quit) | |
1915 | (define-key map "S" 'newsticker-treeview-save-item) | |
1916 | (define-key map "s" 'newsticker-treeview-save) | |
1917 | (define-key map "u" 'newsticker-treeview-update) | |
1918 | (define-key map "v" 'newsticker-treeview-browse-url) | |
1919 | ;;(define-key map "\n" 'newsticker-treeview-scroll-item) | |
1920 | ;;(define-key map "\C-m" 'newsticker-treeview-scroll-item) | |
1921 | (define-key map "\M-m" 'newsticker-group-move-feed) | |
1922 | (define-key map "\M-a" 'newsticker-group-add-group) | |
1923 | map) | |
1924 | "Mode map for newsticker treeview.") | |
1925 | ||
1926 | (defun newsticker-treeview-mode () | |
1927 | "Major mode for Newsticker Treeview. | |
1928 | \\{newsticker-treeview-mode-map}" | |
1929 | (kill-all-local-variables) | |
1930 | (use-local-map newsticker-treeview-mode-map) | |
1931 | (setq major-mode 'newsticker-treeview-mode) | |
1932 | (setq mode-name "Newsticker TV") | |
a66bb4d5 GM |
1933 | (if (boundp 'tool-bar-map) |
1934 | (set (make-local-variable 'tool-bar-map) | |
1935 | newsticker-treeview-tool-bar-map)) | |
2415d4c6 UJ |
1936 | (setq buffer-read-only t |
1937 | truncate-lines t)) | |
1938 | ||
2415d4c6 UJ |
1939 | (define-derived-mode newsticker-treeview-list-mode newsticker-treeview-mode |
1940 | "Item List" | |
1941 | (let ((header (concat | |
1942 | (propertize " " 'display '(space :align-to 0)) | |
1943 | (newsticker-treeview-list-make-sort-button "*" 'sort-by-age) | |
1944 | (propertize " " 'display '(space :align-to 2)) | |
1945 | (if newsticker--treeview-list-show-feed | |
1946 | (concat "Feed" | |
1947 | (propertize " " 'display '(space :align-to 12))) | |
1948 | "") | |
1949 | (newsticker-treeview-list-make-sort-button "Date" | |
1950 | 'sort-by-time) | |
1951 | (if newsticker--treeview-list-show-feed | |
1952 | (propertize " " 'display '(space :align-to 28)) | |
1953 | (propertize " " 'display '(space :align-to 18))) | |
1954 | (newsticker-treeview-list-make-sort-button "Title" | |
1955 | 'sort-by-title)))) | |
1956 | (setq header-line-format header)) | |
1957 | (define-key newsticker-treeview-list-mode-map [down-mouse-3] | |
1958 | newsticker-treeview-list-menu)) | |
1959 | ||
0c74a301 UJ |
1960 | (define-derived-mode newsticker-treeview-item-mode newsticker-treeview-mode |
1961 | "Item" | |
1962 | (define-key newsticker-treeview-item-mode-map [down-mouse-3] | |
1963 | newsticker-treeview-item-menu)) | |
1964 | ||
2415d4c6 UJ |
1965 | (defun newsticker-treeview-tree-click (event) |
1966 | "Handle click EVENT on a tag in the newsticker tree." | |
1967 | (interactive "e") | |
c9aafaaf | 1968 | (newsticker--treeview-restore-layout) |
2415d4c6 UJ |
1969 | (save-excursion |
1970 | (switch-to-buffer (window-buffer (posn-window (event-end event)))) | |
1971 | (newsticker-treeview-tree-do-click (posn-point (event-end event))))) | |
1972 | ||
1973 | (defun newsticker-treeview-tree-do-click (&optional pos event) | |
1974 | "Actually handle click event. | |
1975 | POS gives the position where EVENT occurred." | |
1976 | (interactive) | |
a59c6c51 UJ |
1977 | (let* ((pos (or pos (point))) |
1978 | (nt-id (get-text-property pos :nt-id)) | |
1979 | (item (get-text-property pos :nt-item))) | |
2415d4c6 UJ |
1980 | (cond (item |
1981 | ;; click in list buffer | |
1982 | (newsticker-treeview-show-item)) | |
1983 | (t | |
1984 | ;; click in tree buffer | |
1985 | (let ((w (newsticker--treeview-get-node nt-id))) | |
1986 | (when w | |
1987 | (newsticker--treeview-tree-update-tag w t t) | |
1988 | (setq w (newsticker--treeview-get-node nt-id)) | |
1989 | (widget-put w :nt-selected t) | |
1990 | (widget-apply w :action event) | |
1991 | (newsticker--treeview-set-current-node w)))))) | |
1992 | (newsticker--treeview-tree-update-highlight)) | |
1993 | ||
c9aafaaf | 1994 | (defun newsticker--treeview-restore-layout () |
2415d4c6 UJ |
1995 | "Restore treeview buffers." |
1996 | (catch 'error | |
1997 | (dotimes (i 3) | |
1998 | (let ((win (nth i newsticker--treeview-windows)) | |
1999 | (buf (nth i newsticker--treeview-buffers))) | |
2000 | (unless (window-live-p win) | |
2001 | (newsticker--treeview-window-init) | |
2002 | (newsticker--treeview-buffer-init) | |
2003 | (throw 'error t)) | |
2004 | (unless (eq (window-buffer win) buf) | |
2005 | (set-window-buffer win buf t)))))) | |
2006 | ||
2007 | (defun newsticker--treeview-frame-init () | |
2008 | "Initialize treeview frame." | |
2009 | (when newsticker-treeview-own-frame | |
2010 | (unless (and newsticker--frame (frame-live-p newsticker--frame)) | |
2011 | (setq newsticker--frame (make-frame '((name . "Newsticker"))))) | |
2012 | (select-frame-set-input-focus newsticker--frame) | |
2013 | (raise-frame newsticker--frame))) | |
2014 | ||
2015 | (defun newsticker--treeview-window-init () | |
2016 | "Initialize treeview windows." | |
2017 | (setq newsticker--saved-window-config (current-window-configuration)) | |
2018 | (setq newsticker--treeview-windows nil) | |
2019 | (setq newsticker--treeview-buffers nil) | |
2020 | (delete-other-windows) | |
2d197ffb | 2021 | (split-window-right newsticker-treeview-treewindow-width) |
2415d4c6 UJ |
2022 | (add-to-list 'newsticker--treeview-windows (selected-window) t) |
2023 | (other-window 1) | |
2d197ffb | 2024 | (split-window-below newsticker-treeview-listwindow-height) |
2415d4c6 UJ |
2025 | (add-to-list 'newsticker--treeview-windows (selected-window) t) |
2026 | (other-window 1) | |
2027 | (add-to-list 'newsticker--treeview-windows (selected-window) t) | |
2028 | (other-window 1)) | |
2029 | ||
4da498eb | 2030 | ;;;###autoload |
2415d4c6 UJ |
2031 | (defun newsticker-treeview () |
2032 | "Start newsticker treeview." | |
2033 | (interactive) | |
2034 | (newsticker--treeview-load) | |
2035 | (setq newsticker--sentinel-callback 'newsticker-treeview-update) | |
2036 | (newsticker--treeview-frame-init) | |
2037 | (newsticker--treeview-window-init) | |
2038 | (newsticker--treeview-buffer-init) | |
dba0634a UJ |
2039 | (if (newsticker--group-manage-orphan-feeds) |
2040 | (newsticker--treeview-tree-update)) | |
2415d4c6 UJ |
2041 | (newsticker--treeview-set-current-node newsticker--treeview-feed-tree) |
2042 | (newsticker-start t) ;; will start only if not running | |
2043 | (newsticker-treeview-update) | |
2044 | (newsticker--treeview-item-show-text | |
2045 | "Newsticker" | |
2046 | "Welcome to newsticker!")) | |
2047 | ||
2048 | (defun newsticker-treeview-get-news () | |
2049 | "Get news for current feed." | |
2050 | (interactive) | |
2051 | (when newsticker--treeview-current-feed | |
2052 | (newsticker-get-news newsticker--treeview-current-feed))) | |
5eddea0b | 2053 | |
8e39154d | 2054 | (provide 'newst-treeview) |
2415d4c6 | 2055 | |
2900b2d8 | 2056 | ;;; newst-treeview.el ends here |