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small css tweak in neutral theme
[tt-rss.git] / feedlist.js
1 var _feed_cur_page = 0;
2 var _infscroll_disable = 0;
3 var _infscroll_request_sent = 0;
4 var feed_under_pointer = undefined;
5
6 var mouse_is_down = false;
7 var mouse_y = 0;
8 var mouse_x = 0;
9
10 var counter_timeout_id = false;
11
12 var resize_enabled = false;
13 var selection_disabled = false;
14 var counters_last_request = 0;
15
16 var feeds_sort_by_unread = false;
17 var feedlist_sortable_enabled = false;
18
19 function toggle_sortable_feedlist(enabled) {
20 try {
21
22 if (enabled) {
23 Sortable.create('feedList', {onChange: feedlist_dragsorted, only: "feedCat"});
24 } else {
25 Sortable.destroy('feedList');
26 }
27
28 } catch (e) {
29 exception_error("toggle_sortable_feedlist", e);
30 }
31 }
32
33 function viewCategory(cat) {
34 viewfeed(cat, '', true);
35 return false;
36 }
37
38 function render_feedlist(data) {
39 try {
40
41 var f = $("feeds-frame");
42 f.innerHTML = data;
43 // cache_invalidate("FEEDLIST");
44 // cache_inject("FEEDLIST", data, getInitParam("num_feeds"));
45 feedlist_init();
46
47 } catch (e) {
48 exception_error("render_feedlist", e);
49 }
50 }
51
52 function viewNextFeedPage() {
53 try {
54 //if (!getActiveFeedId()) return;
55
56 console.log("viewNextFeedPage: calling viewfeed(), p: " + parseInt(_feed_cur_page+1));
57
58 viewfeed(getActiveFeedId(), '', activeFeedIsCat(), parseInt(_feed_cur_page+1));
59
60 } catch (e) {
61 exception_error("viewNextFeedPage", e);
62 }
63 }
64
65
66 function viewfeed(feed, subop, is_cat, offset) {
67 try {
68 if (is_cat == undefined) is_cat = false;
69
70 if (offline_mode) return viewfeed_offline(feed, subop, is_cat, offset);
71
72 // if (!offset) page_offset = 0;
73
74 last_requested_article = 0;
75 //counters_last_request = 0;
76
77 if (feed == getActiveFeedId()) {
78 cache_invalidate("F:" + feed);
79 }
80
81 /* if (getInitParam("theme") == "" || getInitParam("theme") == "compact") {
82 if (getInitParam("hide_feedlist") == 1) {
83 Element.hide("feeds-holder");
84 }
85 } */
86
87 var force_nocache = false;
88
89 var page_offset = 0;
90
91 if (offset > 0) {
92 page_offset = offset;
93 } else {
94 page_offset = 0;
95 _feed_cur_page = 0;
96 _infscroll_disable = 0;
97 }
98
99 if (getActiveFeedId() != feed) {
100 _feed_cur_page = 0;
101 active_post_id = 0;
102 _infscroll_disable = 0;
103 }
104
105 if (page_offset != 0 && !subop) {
106 var date = new Date();
107 var timestamp = Math.round(date.getTime() / 1000);
108
109 console.log(_infscroll_request_sent + " : " + timestamp);
110
111 if (_infscroll_request_sent && _infscroll_request_sent + 30 > timestamp) {
112 console.log("infscroll request in progress, aborting");
113 return;
114 }
115
116 _infscroll_request_sent = timestamp;
117 }
118
119 enableHotkeys();
120 hideAuxDlg();
121 closeInfoBox();
122
123 Form.enable("main_toolbar_form");
124
125 var toolbar_form = document.forms["main_toolbar_form"];
126 var toolbar_query = Form.serialize("main_toolbar_form");
127
128 if (toolbar_form.query) {
129 if (toolbar_form.query.value != "") {
130 force_nocache = true;
131 }
132 toolbar_form.query.value = "";
133 }
134
135 var query = "?op=viewfeed&feed=" + feed + "&" +
136 toolbar_query + "&subop=" + param_escape(subop);
137
138 if ($("search_form")) {
139 var search_query = Form.serialize("search_form");
140 query = query + "&" + search_query;
141 $("search_form").query.value = "";
142 closeInfoBox(true);
143 force_nocache = true;
144 }
145
146 // console.log("IS_CAT_STORED: " + activeFeedIsCat() + ", IS_CAT: " + is_cat);
147
148 if (subop == "MarkAllRead") {
149
150 catchup_local_feed(feed, is_cat);
151
152 var show_next_feed = getInitParam("on_catchup_show_next_feed") == "1";
153
154 if (show_next_feed) {
155
156 if (!activeFeedIsCat()) {
157
158 var feedlist = $('feedList');
159
160 var next_unread_feed = getRelativeFeedId2(feed, false,
161 "next", true);
162
163 /* gRFI2 also returns categories which we don't really
164 * need here, so we skip them */
165
166 while (next_unread_feed && next_unread_feed.match("CAT:"))
167 next_unread_feed = getRelativeFeedId2(
168 next_unread_feed.replace("CAT:", ""),
169 true, "next", true);
170
171 if (!next_unread_feed) {
172 next_unread_feed = getRelativeFeedId2(-3, true,
173 "next", true);
174 }
175
176 if (next_unread_feed) {
177 query = query + "&nuf=" + param_escape(next_unread_feed);
178 //setActiveFeedId(next_unread_feed);
179 feed = next_unread_feed;
180 }
181 } else {
182
183 var next_unread_feed = getNextUnreadCat(feed);
184
185 /* we don't need to specify that our next feed is actually
186 a category, because we're in the is_cat mode by definition
187 already */
188
189 if (next_unread_feed && show_next_feed) {
190 query = query + "&nuf=" + param_escape(next_unread_feed);
191 feed = next_unread_feed;
192 }
193
194 }
195 }
196 }
197
198 if (is_cat) {
199 query = query + "&cat=1";
200 }
201
202 if (page_offset != 0) {
203 query = query + "&skip=" + page_offset;
204
205 // to prevent duplicate feed titles when showing grouped vfeeds
206 if (vgroup_last_feed) {
207 query = query + "&vgrlf=" + param_escape(vgroup_last_feed);
208 }
209 }
210
211 Form.enable("main_toolbar_form");
212
213 // for piggybacked counters
214
215 if (tagsAreDisplayed()) {
216 query = query + "&omode=lt";
217 } else {
218 query = query + "&omode=flc";
219 }
220
221 console.log(query);
222
223 var container = $("headlinesInnerContainer");
224
225 /* if (container && page_offset == 0 && !isCdmMode()) {
226 new Effect.Fade(container, {duration: 1, to: 0.01,
227 queue: { position:'end', scope: 'FEEDL-' + feed, limit: 1 } } );
228 } */
229
230 var unread_ctr = -1;
231
232 if (!is_cat) unread_ctr = get_feed_unread(feed);
233
234 var cache_check = false;
235
236 if (unread_ctr != -1 && !page_offset && !force_nocache && !subop) {
237
238 var cache_prefix = "";
239
240 if (is_cat) {
241 cache_prefix = "C:";
242 } else {
243 cache_prefix = "F:";
244 }
245
246 cache_check = cache_check_param(cache_prefix + feed, unread_ctr);
247 console.log("headline cache check: " + cache_check);
248 }
249
250 if (cache_check) {
251 var f = $("headlines-frame");
252
253 clean_feed_selections();
254
255 setActiveFeedId(feed, is_cat);
256
257 if (!is_cat) {
258 var feedr = $("FEEDR-" + feed);
259 if (feedr && !feedr.className.match("Selected")) {
260 feedr.className = feedr.className + "Selected";
261 }
262 } else {
263 var feedr = $("FCAT-" + feed_id);
264 if (feedr && !feedr.className.match("Selected")) {
265 feedr.className = feedr.className + "Selected";
266 }
267 }
268
269 f.innerHTML = cache_find_param(cache_prefix + feed, unread_ctr);
270
271 request_counters();
272 remove_splash();
273
274 } else {
275
276 if (!page_offset) {
277 var feedr;
278
279 if (is_cat) {
280 feedr = $('FCAP-' + feed);
281 } else {
282 feedr = $('FEEDR-' + feed);
283 }
284
285 if (feedr && !$('FLL-' + feed)) {
286
287 var img = $('FIMG-' + feed);
288
289 if (!is_cat && img) {
290
291 var cat_list = feedr.parentNode;
292
293 if (!cat_list || Element.visible(cat_list)) {
294 if (!img.src.match("indicator_white")) {
295 img.alt = img.src;
296 img.src = getInitParam("sign_progress");
297 }
298 } else if (cat_list) {
299 feed_cat_id = cat_list.id.replace("FCATLIST-", "");
300
301 if (!$('FLL-' + feed_cat_id)) {
302
303 var ll = document.createElement('img');
304
305 ll.src = getInitParam("sign_progress_tiny");
306 ll.className = 'hlLoading';
307 ll.id = 'FLL-' + feed;
308
309 $("FCAP-" + feed_cat_id).appendChild(ll);
310 }
311 }
312
313 } else {
314
315 if (!$('FLL-' + feed)) {
316 var ll = document.createElement('img');
317
318 ll.src = getInitParam("sign_progress_tiny");
319 ll.className = 'hlLoading';
320 ll.id = 'FLL-' + feed;
321
322 feedr.appendChild(ll);
323 }
324 }
325 }
326 }
327
328 new Ajax.Request("backend.php", {
329 parameters: query,
330 onComplete: function(transport) {
331 headlines_callback2(transport, page_offset);
332 } });
333 }
334
335 } catch (e) {
336 exception_error("viewfeed", e);
337 }
338 }
339
340 function toggleCollapseCat_af(effect) {
341 //var caption = elem.id.replace("FCATLIST-", "");
342
343 try {
344
345 var elem = effect.element;
346 var cat = elem.id.replace("FCATLIST-", "");
347 var cap = $("FCAP-" + cat);
348
349 if (Element.visible(elem)) {
350 cap.innerHTML = cap.innerHTML.replace("…", "");
351 } else {
352 if (cap.innerHTML.lastIndexOf("…") != cap.innerHTML.length-3) {
353 cap.innerHTML = cap.innerHTML + "…";
354 }
355 }
356
357 } catch (e) {
358 exception_error("toggleCollapseCat_af", e);
359 }
360 }
361
362 function toggleCollapseCat(cat) {
363 try {
364
365 var cat_elem = $("FCAT-" + cat);
366 var cat_list = $("FCATLIST-" + cat).parentNode;
367 var caption = $("FCAP-" + cat);
368
369 Effect.toggle('FCATLIST-' + cat, 'blind', { duration: 0.5,
370 afterFinish: toggleCollapseCat_af });
371
372 var img = cat_elem.getElementsByTagName("IMG")[0];
373
374 if (img.src.match("-collapse"))
375 img.src = img.src.replace("-collapse", "-uncollapse")
376 else
377 img.src = img.src.replace("-uncollapse", "-collapse")
378
379 new Ajax.Request("backend.php",
380 { parameters: "backend.php?op=feeds&subop=collapse&cid=" +
381 param_escape(cat) } );
382
383 local_collapse_cat(cat);
384
385 } catch (e) {
386 exception_error("toggleCollapseCat", e);
387 }
388 }
389
390 function isCatCollapsed(cat) {
391 try {
392 return Element.visible("FCATLIST-" + cat);
393 } catch (e) {
394 exception_error("isCatCollapsed", e);
395 }
396 }
397
398 function feedlist_dragsorted(ctr) {
399 try {
400 var elem = $("feedList");
401
402 var cats = elem.getElementsByTagName("LI");
403 var ordered_cats = new Array();
404
405 for (var i = 0; i < cats.length; i++) {
406 if (cats[i].id && cats[i].id.match("FCAT-")) {
407 ordered_cats.push(cats[i].id.replace("FCAT-", ""));
408 }
409 }
410
411 if (ordered_cats.length > 0) {
412
413 var query = "?op=feeds&subop=catsort&corder=" +
414 param_escape(ordered_cats.toString());
415
416 //console.log(query);
417
418 new Ajax.Request("backend.php", { parameters: query });
419 }
420
421 } catch (e) {
422 exception_error("feedlist_dragsorted", e);
423 }
424 }
425
426 function feedlist_init() {
427 try {
428 loading_set_progress(90);
429
430 //console.log("in feedlist init");
431
432 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
433 document.onkeydown = hotkey_handler;
434 document.onmousemove = mouse_move_handler;
435 document.onmousedown = mouse_down_handler;
436 document.onmouseup = mouse_up_handler;
437
438 if (!offline_mode) setTimeout("timeout()", 1);
439
440 setTimeout("hotkey_prefix_timeout()", 5*1000);
441
442 if (getActiveFeedId()) {
443 //console.log("some feed is open on feedlist refresh, reloading");
444 //setTimeout("viewCurrentFeed()", 100);
445 } else {
446 if (getInitParam("cdm_auto_catchup") != 1 && get_feed_unread(-3) > 0) {
447 notify_silent_next();
448 setTimeout("viewfeed(-3)", 100);
449 } else {
450 setTimeout("viewfeed(-5)", 100);
451 remove_splash();
452 }
453 }
454
455 if (getInitParam("theme") == "" ||
456 getInitParam("theme_options").match("hide_footer")) {
457 setTimeout("hide_footer()", 5000);
458 }
459
460 init_collapsable_feedlist(getInitParam("theme"));
461
462 toggle_sortable_feedlist(isFeedlistSortable());
463
464 } catch (e) {
465 exception_error("feedlist/init", e);
466 }
467 }
468
469 function hide_footer_af(effect) {
470 try {
471 var c = $("content-frame");
472
473 if (c) {
474 c.style.bottom = "0px";
475
476 var ioa = $("inline_orig_article");
477
478 if (ioa) {
479 ioa.height = c.offsetHeight;
480 }
481
482 } else {
483 var h = $("headlines-frame");
484
485 if (h) {
486 h.style.bottom = "0px";
487 }
488 }
489
490 } catch (e) {
491 exception_error("hide_footer_af", e);
492 }
493 }
494
495 function hide_footer() {
496 try {
497 if (Element.visible("footer")) {
498 new Effect.Fade("footer", { afterFinish: hide_footer_af });
499 }
500 } catch (e) {
501 exception_error("hide_footer", e);
502 }
503 }
504
505 function init_collapsable_feedlist() {
506 try {
507 //console.log("init_collapsable_feedlist");
508
509 var theme = getInitParam("theme");
510 var options = getInitParam("theme_options");
511
512 if (theme != "" && !options.match("collapse_feedlist")) return;
513
514 var fbtn = $("collapse_feeds_btn");
515
516 if (fbtn) Element.show(fbtn);
517
518 if (getInitParam("collapsed_feedlist") == 1) {
519 collapse_feedlist();
520 }
521
522 } catch (e) {
523 exception_error("init_hidden_feedlist", e);
524 }
525
526 }
527
528 function mouse_move_handler(e) {
529 try {
530 var client_y;
531 var client_x;
532
533 if (window.event) {
534 client_y = window.event.clientY;
535 client_x = window.event.clientX;
536 } else if (e) {
537 client_x = e.screenX;
538 client_y = e.screenY;
539 }
540
541 if (mouse_is_down) {
542
543 if (mouse_y == 0) mouse_y = client_y;
544 if (mouse_x == 0) mouse_x = client_x;
545
546 resize_headlines(mouse_x - client_x, mouse_y - client_y);
547
548 mouse_y = client_y;
549 mouse_x = client_x;
550
551 return false;
552 }
553
554 } catch (e) {
555 exception_error("mouse_move_handler", e);
556 }
557 }
558
559 function enable_selection(b) {
560 selection_disabled = !b;
561 }
562
563 function enable_resize(b) {
564 resize_enabled = b;
565 }
566
567 function mouse_down_handler(e) {
568 try {
569
570 /* do not prevent right click */
571 if (e && e.button && e.button == 2) return;
572
573 if (resize_enabled) {
574 mouse_is_down = true;
575 mouse_x = 0;
576 mouse_y = 0;
577 document.onselectstart = function() { return false; };
578 return false;
579 }
580
581 if (selection_disabled) {
582 document.onselectstart = function() { return false; };
583 return false;
584 }
585
586 } catch (e) {
587 exception_error("mouse_down_handler", e);
588 }
589 }
590
591 function mouse_up_handler(e) {
592 try {
593 mouse_is_down = false;
594
595 if (!selection_disabled) {
596 document.onselectstart = null;
597 var e = $("headlineActionsBody");
598 if (e) Element.hide(e);
599
600 var e = $("offlineModeDrop");
601 if (e) Element.hide(e);
602
603 }
604
605 } catch (e) {
606 exception_error("mouse_up_handler", e);
607 }
608 }
609
610 function request_counters_real() {
611
612 try {
613
614 if (offline_mode) return;
615
616 console.log("requesting counters...");
617
618 var query = "?op=rpc&subop=getAllCounters&seq=" + next_seq();
619
620 if (tagsAreDisplayed()) {
621 query = query + "&omode=tl";
622 } else {
623 query = query + "&omode=flc";
624 }
625
626 new Ajax.Request("backend.php", {
627 parameters: query,
628 onComplete: function(transport) {
629 try {
630 handle_rpc_reply(transport);
631 } catch (e) {
632 exception_error("viewfeed/getcounters", e);
633 }
634 } });
635
636 } catch (e) {
637 exception_error("request_counters_real", e);
638 }
639 }
640
641
642 function request_counters() {
643
644 try {
645
646 if (getInitParam("bw_limit") == "1") return;
647
648 var date = new Date();
649 var timestamp = Math.round(date.getTime() / 1000);
650
651 if (timestamp - counters_last_request > 5) {
652 console.log("scheduling request of counters...");
653
654 window.clearTimeout(counter_timeout_id);
655 counter_timeout_id = window.setTimeout("request_counters_real()", 1000);
656
657 counters_last_request = timestamp;
658 } else {
659 console.log("request_counters: rate limit reached: " + (timestamp - counters_last_request));
660 }
661
662 } catch (e) {
663 exception_error("request_counters", e);
664 }
665 }
666
667 function displayNewContentPrompt(id) {
668 try {
669
670 var msg = "<a href='#' onclick='viewfeed("+id+")'>" +
671 __("New articles available in this feed (click to show)") + "</a>";
672
673 msg = msg.replace("%s", getFeedName(id));
674
675 $('auxDlg').innerHTML = msg;
676
677 new Effect.Appear('auxDlg', {duration : 0.5});
678
679 } catch (e) {
680 exception_error("displayNewContentPrompt", e);
681 }
682 }
683
684 function parse_counters(reply, scheduled_call) {
685 try {
686
687 var feeds_found = 0;
688
689 var elems = JSON.parse(reply.firstChild.nodeValue);
690
691 for (var l = 0; l < elems.length; l++) {
692
693 var id = elems[l].id
694 var kind = elems[l].kind;
695 var ctr = parseInt(elems[l].counter)
696 var error = elems[l].error;
697 var has_img = elems[l].has_img;
698 var updated = elems[l].updated;
699 var title = elems[l].title;
700 var xmsg = elems[l].xmsg;
701
702 if (id == "global-unread") {
703
704 if (ctr > global_unread) {
705 offlineDownloadStart(1);
706 }
707
708 global_unread = ctr;
709 updateTitle();
710 continue;
711 }
712
713 if (id == "subscribed-feeds") {
714 feeds_found = ctr;
715 continue;
716 }
717
718 if (kind && kind == "cat") {
719 var catctr = $("FCATCTR-" + id);
720 if (catctr) {
721 catctr.innerHTML = "(" + ctr + ")";
722 if (ctr > 0) {
723 catctr.className = "catCtrHasUnread";
724 } else {
725 catctr.className = "catCtrNoUnread";
726 }
727 }
728 continue;
729 }
730
731 var feedctr = $("FEEDCTR-" + id);
732 var feedu = $("FEEDU-" + id);
733 var feedr = $("FEEDR-" + id);
734 var feed_img = $("FIMG-" + id);
735 var feedlink = $("FEEDL-" + id);
736 var feedupd = $("FLUPD-" + id);
737
738 if (updated && feedlink) {
739 if (error) {
740 feedlink.title = "Error: " + error + " (" + updated + ")";
741 } else {
742 feedlink.title = "Updated: " + updated;
743 }
744 }
745
746 if (feedupd) {
747 if (!updated) updated = "";
748
749 if (error) {
750 if (xmsg) {
751 feedupd.innerHTML = updated + " " + xmsg + " (Error)";
752 } else {
753 feedupd.innerHTML = updated + " (Error)";
754 }
755 } else {
756 if (xmsg) {
757 feedupd.innerHTML = updated + " (" + xmsg + ")";
758 } else {
759 feedupd.innerHTML = updated;
760 }
761 }
762 }
763
764 if (has_img && feed_img) {
765 if (!feed_img.src.match(id + ".ico")) {
766 feed_img.src = getInitParam("icons_url") + "/" + id + ".ico";
767 }
768 }
769
770 if (feedlink && title) {
771 feedlink.innerHTML = title;
772 }
773
774 if (feedctr && feedu && feedr) {
775
776 // if (id == getActiveFeedId())
777 // console.log("HAS CTR: " + feedu.innerHTML + " GOT CTR: " + ctr +
778 // " IS_SCHED: " + scheduled_call);
779
780 if (parseInt(ctr) > 0 &&
781 parseInt(feedu.innerHTML) < parseInt(ctr) &&
782 id == getActiveFeedId() && scheduled_call) {
783
784 displayNewContentPrompt(id);
785 }
786
787 var row_needs_hl = (ctr > 0 && ctr > parseInt(feedu.innerHTML));
788
789 feedu.innerHTML = ctr;
790
791 if (error) {
792 feedr.className = feedr.className.replace("feed", "error");
793 } else if (id > 0) {
794 feedr.className = feedr.className.replace("error", "feed");
795 }
796
797 if (ctr > 0) {
798 feedctr.className = "feedCtrHasUnread";
799 if (!feedr.className.match("Unread")) {
800 var is_selected = feedr.className.match("Selected");
801
802 feedr.className = feedr.className.replace("Selected", "");
803 feedr.className = feedr.className.replace("Unread", "");
804
805 feedr.className = feedr.className + "Unread";
806
807 if (is_selected) {
808 feedr.className = feedr.className + "Selected";
809 }
810
811 }
812
813 if (row_needs_hl &&
814 !getInitParam("theme_options").match('no_highlights')) {
815 new Effect.Highlight(feedr, {duration: 1, startcolor: "#fff7d5",
816 queue: { position:'end', scope: 'EFQ-' + id, limit: 1 } } );
817
818 cache_invalidate("F:" + id);
819 }
820 } else {
821 feedctr.className = "feedCtrNoUnread";
822 feedr.className = feedr.className.replace("Unread", "");
823 }
824 }
825 }
826
827 hideOrShowFeeds(getInitParam("hide_read_feeds") == 1);
828
829 var feeds_stored = number_of_feeds;
830
831 //console.log("Feed counters, C: " + feeds_found + ", S:" + feeds_stored);
832
833 if (feeds_stored != feeds_found) {
834 number_of_feeds = feeds_found;
835
836 if (feeds_stored != 0 && feeds_found != 0) {
837 console.log("Subscribed feed number changed, refreshing feedlist");
838 setTimeout('updateFeedList(false, false)', 50);
839 }
840 } else {
841 /* var fl = $("feeds-frame").innerHTML;
842 if (fl) {
843 cache_invalidate("FEEDLIST");
844 cache_inject("FEEDLIST", fl, getInitParam("num_feeds"));
845 } */
846 }
847
848 } catch (e) {
849 exception_error("parse_counters", e);
850 }
851 }
852
853 function get_feed_unread(id) {
854 try {
855 return parseInt($("FEEDU-" + id).innerHTML);
856 } catch (e) {
857 return -1;
858 }
859 }
860
861 function get_cat_unread(id) {
862 try {
863 var ctr = $("FCATCTR-" + id).innerHTML;
864 ctr = ctr.replace("(", "");
865 ctr = ctr.replace(")", "");
866 return parseInt(ctr);
867 } catch (e) {
868 return -1;
869 }
870 }
871
872 function get_feed_entry_unread(elem) {
873
874 var id = elem.id.replace("FEEDR-", "");
875
876 if (id <= 0) {
877 return -1;
878 }
879
880 try {
881 return parseInt($("FEEDU-" + id).innerHTML);
882 } catch (e) {
883 return -1;
884 }
885 }
886
887 function get_feed_entry_name(elem) {
888 var id = elem.id.replace("FEEDR-", "");
889 return getFeedName(id);
890 }
891
892
893 function resort_category(node, cat_mode) {
894
895 try {
896
897 console.log("resort_category: " + node + " CM=" + cat_mode);
898
899 var by_unread = feedsSortByUnread();
900
901 var list = node.getElementsByTagName("LI");
902
903 for (i = 0; i < list.length; i++) {
904
905 for (j = i+1; j < list.length; j++) {
906
907 var tmp_val = get_feed_entry_unread(list[i]);
908 var cur_val = get_feed_entry_unread(list[j]);
909
910 var tmp_name = get_feed_entry_name(list[i]);
911 var cur_name = get_feed_entry_name(list[j]);
912
913 /* we don't want to match FEEDR-0 - e.g. Archived articles */
914
915 var valid_pair = cat_mode || (list[i].id.match(/FEEDR-[1-9]/) &&
916 list[j].id.match(/FEEDR-[1-9]/));
917
918 if (valid_pair && ((by_unread && (cur_val > tmp_val)) || (!by_unread && (cur_name < tmp_name)))) {
919 tempnode_i = list[i].cloneNode(true);
920 tempnode_j = list[j].cloneNode(true);
921 node.replaceChild(tempnode_i, list[j]);
922 node.replaceChild(tempnode_j, list[i]);
923 }
924 }
925 }
926
927 } catch (e) {
928 exception_error("resort_category", e);
929 }
930
931 }
932
933 function resort_feedlist() {
934 console.log("resort_feedlist");
935
936 if ($("FCATLIST--1")) {
937
938 var lists = document.getElementsByTagName("UL");
939
940 for (var i = 0; i < lists.length; i++) {
941 if (lists[i].id && lists[i].id.match("FCATLIST-")) {
942 resort_category(lists[i], true);
943 }
944 }
945
946 } else {
947 resort_category($("feedList"), false);
948 }
949 }
950
951 function hideOrShowFeeds(hide) {
952
953 try {
954
955 //console.log("hideOrShowFeeds: " + hide);
956
957 if ($("FCATLIST--1")) {
958
959 var lists = document.getElementsByTagName("UL");
960
961 for (var i = 0; i < lists.length; i++) {
962 if (lists[i].id && lists[i].id.match("FCATLIST-")) {
963
964 var id = lists[i].id.replace("FCATLIST-", "");
965 hideOrShowFeedsCategory(id, hide);
966 }
967 }
968
969 } else {
970 hideOrShowFeedsCategory(null, hide);
971 }
972
973 } catch (e) {
974 exception_error("hideOrShowFeeds", e);
975 }
976 }
977
978 function hideOrShowFeedsCategory(id, hide) {
979
980 try {
981
982 var node = null;
983 var cat_node = null;
984
985 if (id) {
986 node = $("FCATLIST-" + id);
987 cat_node = $("FCAT-" + id);
988 } else {
989 node = $("feedList"); // no categories
990 }
991
992 // console.log("hideOrShowFeedsCategory: " + node + " (" + hide + ")");
993
994 var cat_unread = 0;
995
996 if (!node) {
997 console.warn("hideOrShowFeeds: passed node is null, aborting");
998 return;
999 }
1000
1001 // console.log("cat: " + node.id);
1002
1003 if (node.hasChildNodes() && node.firstChild.nextSibling != false) {
1004 for (i = 0; i < node.childNodes.length; i++) {
1005 if (node.childNodes[i].nodeName != "LI") { continue; }
1006
1007 if (node.childNodes[i].style != undefined) {
1008
1009 var has_unread = (node.childNodes[i].className != "feed" &&
1010 node.childNodes[i].className != "label" &&
1011 !(!getInitParam("hide_read_shows_special") &&
1012 node.childNodes[i].className == "virt") &&
1013 node.childNodes[i].className != "error" &&
1014 node.childNodes[i].className != "tag");
1015
1016 var has_error = node.childNodes[i].className.match("error");
1017
1018 // console.log(node.childNodes[i].id + " --> " + has_unread);
1019
1020 if (hide && !has_unread) {
1021 var id = node.childNodes[i].id;
1022 Effect.Fade(node.childNodes[i], {duration : 0.3,
1023 queue: { position: 'end', scope: 'FFADE-' + id, limit: 1 }});
1024 }
1025
1026 if (!hide) {
1027 Element.show(node.childNodes[i]);
1028 }
1029
1030 if (has_unread) {
1031 Element.show(node.childNodes[i]);
1032 cat_unread++;
1033 }
1034
1035 //if (has_error) Element.hide(node.childNodes[i]);
1036 }
1037 }
1038 }
1039
1040 // console.log("end cat: " + node.id + " unread " + cat_unread);
1041
1042 if (cat_node) {
1043
1044 if (cat_unread == 0) {
1045 if (cat_node.style == undefined) {
1046 console.log("ERROR: supplied cat_node " + cat_node +
1047 " has no styles. WTF?");
1048 return;
1049 }
1050 if (hide) {
1051 //cat_node.style.display = "none";
1052 Effect.Fade(cat_node, {duration : 0.3,
1053 queue: { position: 'end', scope: 'CFADE-' + node.id, limit: 1 }});
1054 } else {
1055 cat_node.style.display = "list-item";
1056 }
1057 } else {
1058 try {
1059 cat_node.style.display = "list-item";
1060 } catch (e) {
1061 console.log(e);
1062 }
1063 }
1064 }
1065
1066 // console.log("unread for category: " + cat_unread);
1067
1068 } catch (e) {
1069 exception_error("hideOrShowFeedsCategory", e);
1070 }
1071 }
1072
1073 function getFeedName(id, is_cat) {
1074 var e;
1075
1076 if (is_cat) {
1077 e = $("FCATN-" + id);
1078 } else {
1079 e = $("FEEDN-" + id);
1080 }
1081 if (e) {
1082 return e.innerHTML.stripTags();
1083 } else {
1084 return null;
1085 }
1086 }
1087
1088 function getNextUnreadCat(id) {
1089 try {
1090 var rows = $("feedList").getElementsByTagName("LI");
1091 var feeds = new Array();
1092
1093 var unread_only = true;
1094 var is_cat = true;
1095
1096 for (var i = 0; i < rows.length; i++) {
1097 if (rows[i].id.match("FCAT-")) {
1098 if (rows[i].id == "FCAT-" + id && is_cat || (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {
1099
1100 var cat_id = parseInt(rows[i].id.replace("FCAT-", ""));
1101
1102 if (cat_id >= 0) {
1103 if (!unread_only || get_cat_unread(cat_id) > 0) {
1104 feeds.push(cat_id);
1105 }
1106 }
1107 }
1108 }
1109 }
1110
1111 var idx = feeds.indexOf(id);
1112 if (idx != -1 && idx < feeds.length) {
1113 return feeds[idx+1];
1114 } else {
1115 return feeds.shift();
1116 }
1117
1118 } catch (e) {
1119 exception_error("getNextUnreadCat", e);
1120 }
1121 }
1122
1123 function getRelativeFeedId2(id, is_cat, direction, unread_only) {
1124 try {
1125
1126 // alert(id + " IC: " + is_cat + " D: " + direction + " U: " + unread_only);
1127
1128 var rows = $("feedList").getElementsByTagName("LI");
1129 var feeds = new Array();
1130
1131 for (var i = 0; i < rows.length; i++) {
1132 if (rows[i].id.match("FEEDR-")) {
1133
1134 if (rows[i].id == "FEEDR-" + id && !is_cat || (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {
1135
1136 if (!unread_only ||
1137 (rows[i].className.match("Unread") || rows[i].id == "FEEDR-" + id)) {
1138 feeds.push(rows[i].id.replace("FEEDR-", ""));
1139 }
1140 }
1141 }
1142
1143 if (rows[i].id.match("FCAT-")) {
1144 if (rows[i].id == "FCAT-" + id && is_cat || (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {
1145
1146 var cat_id = parseInt(rows[i].id.replace("FCAT-", ""));
1147
1148 if (cat_id >= 0) {
1149 if (!unread_only || get_cat_unread(cat_id) > 0) {
1150 feeds.push("CAT:"+cat_id);
1151 }
1152 }
1153 }
1154 }
1155 }
1156
1157 // alert(feeds.toString());
1158
1159 if (!id) {
1160 if (direction == "next") {
1161 return feeds.shift();
1162 } else {
1163 return feeds.pop();
1164 }
1165 } else {
1166 if (direction == "next") {
1167 if (is_cat) id = "CAT:" + id;
1168 var idx = feeds.indexOf(id);
1169 if (idx != -1 && idx < feeds.length) {
1170 return feeds[idx+1];
1171 } else {
1172 return getRelativeFeedId2(false, is_cat, direction, unread_only);
1173 }
1174 } else {
1175 if (is_cat) id = "CAT:" + id;
1176 var idx = feeds.indexOf(id);
1177 if (idx > 0) {
1178 return feeds[idx-1];
1179 } else {
1180 return getRelativeFeedId2(false, is_cat, direction, unread_only);
1181 }
1182 }
1183
1184 }
1185
1186 } catch (e) {
1187 exception_error("getRelativeFeedId2", e);
1188 }
1189 }
1190
1191 function clean_feed_selections() {
1192 try {
1193 var feeds = $("feedList").getElementsByTagName("LI");
1194
1195 for (var i = 0; i < feeds.length; i++) {
1196 if (feeds[i].id && feeds[i].id.match("FEEDR-")) {
1197 feeds[i].className = feeds[i].className.replace("Selected", "");
1198 }
1199 if (feeds[i].id && feeds[i].id.match("FCAT-")) {
1200 feeds[i].className = feeds[i].className.replace("Selected", "");
1201 }
1202 }
1203 } catch (e) {
1204 exception_error("clean_feed_selections", e);
1205 }
1206 }
1207
1208 function feedsSortByUnread() {
1209 return feeds_sort_by_unread;
1210 }
1211
1212
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/