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1 var active_post_id = false;
2 var _catchup_callback_func = false;
3 var last_article_view = false;
4 var active_real_feed_id = false;
5
6 var _tag_active_post_id = false;
7 var _tag_active_feed_id = false;
8 var _tag_active_cdm = false;
9
10 // FIXME: kludge, to restore scrollTop after tag editor terminates
11 var _tag_cdm_scroll = false;
12
13 // FIXME: kludges, needs proper implementation
14 var _reload_feedlist_after_view = false;
15
16 var _cdm_wd_timeout = false;
17 var _cdm_wd_vishist = new Array();
18
19 function catchup_callback() {
20 if (xmlhttp_rpc.readyState == 4) {
21 try {
22 debug("catchup_callback");
23 if (_catchup_callback_func) {
24 setTimeout(_catchup_callback_func, 100);
25 }
26 notify("");
27 all_counters_callback();
28 } catch (e) {
29 exception_error("catchup_callback", e);
30 }
31 }
32 }
33
34 function headlines_callback() {
35 if (xmlhttp.readyState == 4) {
36 debug("headlines_callback");
37 var f = document.getElementById("headlines-frame");
38 try {
39 f.scrollTop = 0;
40 } catch (e) { };
41 f.innerHTML = xmlhttp.responseText;
42 update_all_counters();
43 if (typeof correctPNG != 'undefined') {
44 correctPNG();
45 }
46
47 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
48
49 if (!document.getElementById("headlinesList")) {
50 debug("starting CDM watchdog");
51 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
52 _cdm_wd_vishist = new Array();
53 }
54
55 if (_tag_cdm_scroll) {
56 try {
57 document.getElementById("headlinesInnerContainer").scrollTop = _tag_cdm_scroll;
58 _tag_cdm_scroll = false;
59 } catch (e) { }
60 }
61
62 notify("");
63 }
64 }
65
66 function article_callback() {
67 if (xmlhttp.readyState == 4) {
68 debug("article_callback");
69 var f = document.getElementById("content-frame");
70 try {
71 f.scrollTop = 0;
72 } catch (e) { };
73 f.innerHTML = xmlhttp.responseText;
74
75 var date = new Date();
76 last_article_view = date.getTime() / 1000;
77
78 if (typeof correctPNG != 'undefined') {
79 correctPNG();
80 }
81
82 if (_reload_feedlist_after_view) {
83 setTimeout('updateFeedList(false, false)', 50);
84 _reload_feedlist_after_view = false;
85 } else {
86 update_all_counters();
87 }
88
89 notify("");
90 }
91 }
92
93 function view(id, feed_id, skip_history) {
94
95 try {
96 debug("loading article: " + id + "/" + feed_id);
97
98 active_real_feed_id = feed_id;
99
100 if (!skip_history) {
101 history_push("ARTICLE:" + id + ":" + feed_id);
102 }
103
104 enableHotkeys();
105
106 active_post_id = id;
107 //setActiveFeedId(feed_id);
108
109 var query = "backend.php?op=view&id=" + param_escape(id) +
110 "&feed=" + param_escape(feed_id);
111
112 var date = new Date();
113
114 if (!xmlhttp_ready(xmlhttp) && last_article_view < date.getTime() / 1000 - 15) {
115 debug("<b>xmlhttp seems to be stuck at view, aborting</b>");
116 xmlhttp.abort();
117 }
118
119 if (xmlhttp_ready(xmlhttp)) {
120
121 cleanSelected("headlinesList");
122
123 var crow = document.getElementById("RROW-" + active_post_id);
124 crow.className = crow.className.replace("Unread", "");
125
126 var upd_img_pic = document.getElementById("FUPDPIC-" + active_post_id);
127
128 if (upd_img_pic) {
129 upd_img_pic.src = "images/blank_icon.gif";
130 }
131
132 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
133 markHeadline(active_post_id);
134
135 var date = new Date();
136 var timestamp = Math.round(date.getTime() / 1000);
137 query = query + "&ts=" + timestamp;
138
139 notify_progress("Loading, please wait...");
140
141 xmlhttp.open("GET", query, true);
142 xmlhttp.onreadystatechange=article_callback;
143 xmlhttp.send(null);
144 } else {
145 debug("xmlhttp busy (@view)");
146 printLockingError();
147 }
148
149 } catch (e) {
150 exception_error("view", e);
151 }
152 }
153
154 function toggleMark(id) {
155
156 if (!xmlhttp_ready(xmlhttp_rpc)) {
157 printLockingError();
158 return;
159 }
160
161 var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
162
163 var mark_img = document.getElementById("FMARKPIC-" + id);
164 var vfeedu = document.getElementById("FEEDU--1");
165 var crow = document.getElementById("RROW-" + id);
166
167 if (mark_img.alt != "Reset mark") {
168 mark_img.src = "images/mark_set.png";
169 mark_img.alt = "Reset mark";
170 query = query + "&mark=1";
171
172 if (vfeedu && crow.className.match("Unread")) {
173 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
174 }
175
176 } else {
177 mark_img.src = "images/mark_unset.png";
178 mark_img.alt = "Set mark";
179 query = query + "&mark=0";
180
181 if (vfeedu && crow.className.match("Unread")) {
182 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
183 }
184
185 }
186
187 var vfeedctr = document.getElementById("FEEDCTR--1");
188 var vfeedr = document.getElementById("FEEDR--1");
189
190 if (vfeedu && vfeedctr) {
191 if ((+vfeedu.innerHTML) > 0) {
192 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
193 vfeedr.className = vfeedr.className + "Unread";
194 vfeedctr.className = "odd";
195 }
196 } else {
197 vfeedctr.className = "invisible";
198 vfeedr.className = vfeedr.className.replace("Unread", "");
199 }
200 }
201
202 debug("toggle starred for aid " + id);
203
204 new Ajax.Request(query);
205
206 }
207
208 function moveToPost(mode) {
209
210 // check for combined mode
211 if (!document.getElementById("headlinesList"))
212 return;
213
214 var rows = getVisibleHeadlineIds();
215
216 var prev_id;
217 var next_id;
218
219 if (!document.getElementById('RROW-' + active_post_id)) {
220 active_post_id = false;
221 }
222
223 if (active_post_id == false) {
224 next_id = getFirstVisibleHeadlineId();
225 prev_id = getLastVisibleHeadlineId();
226 } else {
227 for (var i = 0; i < rows.length; i++) {
228 if (rows[i] == active_post_id) {
229 prev_id = rows[i-1];
230 next_id = rows[i+1];
231 }
232 }
233 }
234
235 if (mode == "next") {
236 if (next_id != undefined) {
237 view(next_id, getActiveFeedId());
238 }
239 }
240
241 if (mode == "prev") {
242 if ( prev_id != undefined) {
243 view(prev_id, getActiveFeedId());
244 }
245 }
246 }
247
248 function toggleUnread(id, cmode) {
249 try {
250 if (!xmlhttp_ready(xmlhttp_rpc)) {
251 printLockingError();
252 return;
253 }
254
255 var row = document.getElementById("RROW-" + id);
256 if (row) {
257 var nc = row.className;
258 nc = nc.replace("Unread", "");
259 nc = nc.replace("Selected", "");
260
261 if (row.className.match("Unread")) {
262 row.className = nc;
263 } else {
264 row.className = nc + "Unread";
265 }
266
267 if (!cmode) cmode = 2;
268
269 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
270 param_escape(id) + "&cmode=" + param_escape(cmode);
271
272 notify_progress("Loading, please wait...");
273
274 xmlhttp_rpc.open("GET", query, true);
275 xmlhttp_rpc.onreadystatechange=all_counters_callback;
276 xmlhttp_rpc.send(null);
277
278 }
279
280
281 } catch (e) {
282 exception_error("toggleUnread", e);
283 }
284 }
285
286 function selectionToggleUnread(cdm_mode, set_state, callback_func) {
287 try {
288 if (!xmlhttp_ready(xmlhttp_rpc)) {
289 printLockingError();
290 return;
291 }
292
293 var rows;
294
295 if (cdm_mode) {
296 rows = cdmGetSelectedArticles();
297 } else {
298 rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
299 }
300
301 for (i = 0; i < rows.length; i++) {
302 var row = document.getElementById("RROW-" + rows[i]);
303 if (row) {
304 var nc = row.className;
305 nc = nc.replace("Unread", "");
306 nc = nc.replace("Selected", "");
307
308 if (row.className.match("Unread")) {
309 row.className = nc + "Selected";
310 } else {
311 row.className = nc + "UnreadSelected";
312 }
313 }
314 }
315
316 if (rows.length > 0) {
317
318 var cmode = "";
319
320 if (set_state == undefined) {
321 cmode = "2";
322 } else if (set_state == true) {
323 cmode = "1";
324 } else if (set_state == false) {
325 cmode = "0";
326 }
327
328 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
329 param_escape(rows.toString()) + "&cmode=" + cmode;
330
331 _catchup_callback_func = callback_func;
332
333 notify_progress("Loading, please wait...");
334
335 xmlhttp_rpc.open("GET", query, true);
336 xmlhttp_rpc.onreadystatechange=catchup_callback;
337 xmlhttp_rpc.send(null);
338
339 }
340
341 } catch (e) {
342 exception_error("selectionToggleUnread", e);
343 }
344 }
345
346 function selectionToggleMarked(cdm_mode) {
347 try {
348 if (!xmlhttp_ready(xmlhttp_rpc)) {
349 printLockingError();
350 return;
351 }
352
353 var rows;
354
355 if (cdm_mode) {
356 rows = cdmGetSelectedArticles();
357 } else {
358 rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
359 }
360
361 for (i = 0; i < rows.length; i++) {
362 var row = document.getElementById("RROW-" + rows[i]);
363 var mark_img = document.getElementById("FMARKPIC-" + rows[i]);
364
365 if (row && mark_img) {
366
367 if (mark_img.alt == "Set mark") {
368 mark_img.src = "images/mark_set.png";
369 mark_img.alt = "Reset mark";
370 mark_img.setAttribute('onclick',
371 'javascript:toggleMark('+rows[i]+', false)');
372
373 } else {
374 mark_img.src = "images/mark_unset.png";
375 mark_img.alt = "Set mark";
376 mark_img.setAttribute('onclick',
377 'javascript:toggleMark('+rows[i]+', true)');
378 }
379 }
380 }
381
382 if (rows.length > 0) {
383
384 var query = "backend.php?op=rpc&subop=markSelected&ids=" +
385 param_escape(rows.toString()) + "&cmode=2";
386
387 xmlhttp_rpc.open("GET", query, true);
388 xmlhttp_rpc.onreadystatechange=all_counters_callback;
389 xmlhttp_rpc.send(null);
390
391 }
392
393 } catch (e) {
394 exception_error("selectionToggleMarked", e);
395 }
396 }
397
398 function cdmGetSelectedArticles() {
399 var sel_articles = new Array();
400 var container = document.getElementById("headlinesInnerContainer");
401
402 for (i = 0; i < container.childNodes.length; i++) {
403 var child = container.childNodes[i];
404
405 if (child.id.match("RROW-") && child.className.match("Selected")) {
406 var c_id = child.id.replace("RROW-", "");
407 sel_articles.push(c_id);
408 }
409 }
410
411 return sel_articles;
412 }
413
414 // mode = all,none,unread
415 function cdmSelectArticles(mode) {
416 var container = document.getElementById("headlinesInnerContainer");
417
418 for (i = 0; i < container.childNodes.length; i++) {
419 var child = container.childNodes[i];
420
421 if (child.id.match("RROW-")) {
422 var aid = child.id.replace("RROW-", "");
423
424 var cb = document.getElementById("RCHK-" + aid);
425
426 if (mode == "all") {
427 if (!child.className.match("Selected")) {
428 child.className = child.className + "Selected";
429 cb.checked = true;
430 }
431 } else if (mode == "unread") {
432 if (child.className.match("Unread") && !child.className.match("Selected")) {
433 child.className = child.className + "Selected";
434 cb.checked = true;
435 }
436 } else {
437 child.className = child.className.replace("Selected", "");
438 cb.checked = false;
439 }
440 }
441 }
442 }
443
444 function catchupPage() {
445
446 if (document.getElementById("headlinesList")) {
447 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
448 selectionToggleUnread(false, false, 'viewCurrentFeed()');
449 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
450 } else {
451 cdmSelectArticles('all');
452 selectionToggleUnread(true, false, 'viewCurrentFeed()')
453 cdmSelectArticles('none');
454 }
455 }
456
457 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
458
459 if (!xmlhttp_ready(xmlhttp_rpc)) {
460 printLockingError();
461 }
462
463 var title = prompt("Please enter label title:", "");
464
465 if (title) {
466
467 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
468 "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
469 "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
470 "&title=" + param_escape(title);
471
472 debug("LFS: " + query);
473
474 xmlhttp_rpc.open("GET", query, true);
475 xmlhttp_rpc.onreadystatechange=dlg_frefresh_callback;
476 xmlhttp_rpc.send(null);
477 }
478
479 }
480
481 function editArticleTags(id, feed_id, cdm_enabled) {
482 _tag_active_post_id = id;
483 _tag_active_feed_id = feed_id;
484 _tag_active_cdm = cdm_enabled;
485 try {
486 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
487 } catch (e) { }
488 displayDlg('editArticleTags', id);
489 }
490
491
492 function tag_saved_callback() {
493 if (xmlhttp_rpc.readyState == 4) {
494 try {
495 debug("in tag_saved_callback");
496
497 closeInfoBox();
498 notify("");
499
500 if (tagsAreDisplayed()) {
501 _reload_feedlist_after_view = true;
502 }
503
504 if (!_tag_active_cdm) {
505 if (active_post_id == _tag_active_post_id) {
506 debug("reloading current article");
507 view(_tag_active_post_id, _tag_active_feed_id);
508 }
509 } else {
510 debug("reloading current feed");
511 viewCurrentFeed();
512 }
513
514 } catch (e) {
515 exception_error("catchup_callback", e);
516 }
517 }
518 }
519
520 function editTagsSave() {
521
522 if (!xmlhttp_ready(xmlhttp_rpc)) {
523 printLockingError();
524 }
525
526 notify_progress("Saving article tags...");
527
528 var form = document.forms["tag_edit_form"];
529
530 var query = Form.serialize("tag_edit_form");
531
532 xmlhttp_rpc.open("GET", "backend.php?op=rpc&subop=setArticleTags&" + query, true);
533 xmlhttp_rpc.onreadystatechange=tag_saved_callback;
534 xmlhttp_rpc.send(null);
535
536 }
537
538 function editTagsInsert() {
539 try {
540
541 var form = document.forms["tag_edit_form"];
542
543 var found_tags = form.found_tags;
544 var tags_str = form.tags_str;
545
546 var tag = found_tags[found_tags.selectedIndex].value;
547
548 if (tags_str.value.length > 0 &&
549 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
550
551 tags_str.value = tags_str.value + ", ";
552 }
553
554 tags_str.value = tags_str.value + tag + ", ";
555
556 found_tags.selectedIndex = 0;
557
558 } catch (e) {
559 exception_error(e, "editTagsInsert");
560 }
561 }
562
563 function cdmWatchdog() {
564
565 try {
566
567 var ctr = document.getElementById("headlinesInnerContainer");
568
569 if (!ctr) return;
570
571 var ids = new Array();
572
573 var e = ctr.firstChild;
574
575 while (e) {
576 if (e.className && e.className == "cdmArticleUnread" && e.id &&
577 e.id.match("RROW-")) {
578
579 // article fits in viewport OR article is longer than viewport and
580 // its bottom is visible
581
582 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
583 ctr.scrollTop + ctr.offsetHeight) {
584
585 // debug(e.id + " is visible " + e.offsetTop + "." +
586 // (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
587 // (ctr.scrollTop + ctr.offsetHeight));
588
589 ids.push(e.id.replace("RROW-", ""));
590
591 } else if (e.offsetHeight > ctr.offsetHeight &&
592 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
593 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
594
595 ids.push(e.id.replace("RROW-", ""));
596
597 }
598
599 // method 2: article bottom is visible and is in upper 1/2 of the viewport
600
601 /* if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
602 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
603
604 ids.push(e.id.replace("RROW-", ""));
605
606 } */
607
608 }
609
610 e = e.nextSibling;
611 }
612
613 debug("cdmWatchdog, ids= " + ids.toString());
614
615 if (ids.length > 0 && xmlhttp_ready(xmlhttp_rpc)) {
616
617 for (var i = 0; i < ids.length; i++) {
618 var e = document.getElementById("RROW-" + ids[i]);
619 if (e) {
620 e.className = e.className.replace("Unread", "");
621 }
622 }
623
624 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
625 param_escape(ids.toString()) + "&cmode=0";
626
627 xmlhttp_rpc.open("GET", query, true);
628 xmlhttp_rpc.onreadystatechange=all_counters_callback;
629 xmlhttp_rpc.send(null);
630
631 }
632
633 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
634
635 } catch (e) {
636 exception_error(e, "cdmWatchdog");
637 }
638
639 }