js/viewfeed.js

   1 /* global dijit, __ */
   2
   3 let _active_article_id = 0;
   4
   5 let vgroup_last_feed = false;
   6 let post_under_pointer = false;
   7
   8 let last_requested_article = 0;
   9
  10 let catchup_id_batch = [];
  11 let catchup_timeout_id = false;
  12
  13 let cids_requested = [];
  14 let loaded_article_ids = [];
  15 let _last_headlines_update = 0;
  16 let _headlines_scroll_offset = 0;
  17 let current_first_id = 0;
  18 let last_search_query;
  19
  20 let _catchup_request_sent = false;
  21
  22 let has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  23
  24 function headlines_callback2(transport, offset, background, infscroll_req) {
  25         const reply = handle_rpc_json(transport);
  26
  27         console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  28
  29         if (background)
  30                 return;
  31
  32         var is_cat = false;
  33         var feed_id = false;
  34
  35         if (reply) {
  36
  37                 is_cat = reply['headlines']['is_cat'];
  38                 feed_id = reply['headlines']['id'];
  39                 last_search_query = reply['headlines']['search_query'];
  40
  41                 if (feed_id != -7 && (feed_id != getActiveFeedId() || is_cat != activeFeedIsCat()))
  42                         return;
  43
  44                 try {
  45                         if (infscroll_req == false) {
  46                                 $("headlines-frame").scrollTop = 0;
  47
  48                                 $("floatingTitle").style.visibility = "hidden";
  49                                 $("floatingTitle").setAttribute("data-article-id", 0);
  50                                 $("floatingTitle").innerHTML = "";
  51                         }
  52                 } catch (e) { }
  53
  54                 $("headlines-frame").removeClassName("cdm");
  55                 $("headlines-frame").removeClassName("normal");
  56
  57                 $("headlines-frame").addClassName(isCdmMode() ? "cdm" : "normal");
  58
  59                 const headlines_count = reply['headlines-info']['count'];
  60
  61                 vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  62
  63                 if (parseInt(headlines_count) < 30) {
  64                         _infscroll_disable = 1;
  65                 } else {
  66                         _infscroll_disable = 0;
  67                 }
  68
  69                 current_first_id = reply['headlines']['first_id'];
  70                 const counters = reply['counters'];
  71                 const articles = reply['articles'];
  72
  73                 if (infscroll_req == false) {
  74                         loaded_article_ids = [];
  75
  76                         dojo.html.set($("headlines-toolbar"),
  77                                         reply['headlines']['toolbar'],
  78                                         {parseContent: true});
  79
  80                         $("headlines-frame").innerHTML = '';
  81
  82                         let tmp = document.createElement("div");
  83                         tmp.innerHTML = reply['headlines']['content'];
  84                         dojo.parser.parse(tmp);
  85
  86                         while (tmp.hasChildNodes()) {
  87                                 var row = tmp.removeChild(tmp.firstChild);
  88
  89                                 if (loaded_article_ids.indexOf(row.id) == -1 || row.hasClassName("feed-title")) {
  90                                         dijit.byId("headlines-frame").domNode.appendChild(row);
  91
  92                                         loaded_article_ids.push(row.id);
  93                                 }
  94                         }
  95
  96                         let hsp = $("headlines-spacer");
  97                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
  98                         dijit.byId('headlines-frame').domNode.appendChild(hsp);
  99
 100                         initHeadlinesMenu();
 101
 102                         if (_infscroll_disable)
 103                                 hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 104                                         __("Click to open next unread feed.") + "</a>";
 105
 106                         if (_search_query) {
 107                                 $("feed_title").innerHTML += "<span id='cancel_search'>" +
 108                                         " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 109                                         "</span>";
 110                         }
 111
 112                 } else if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 113                                 console.log("adding some more headlines: " + headlines_count);
 114
 115                                 const c = dijit.byId("headlines-frame");
 116                                 const ids = getSelectedArticleIds2();
 117
 118                                 let hsp = $("headlines-spacer");
 119
 120                                 if (hsp)
 121                                         c.domNode.removeChild(hsp);
 122
 123                                 let tmp = document.createElement("div");
 124                                 tmp.innerHTML = reply['headlines']['content'];
 125                                 dojo.parser.parse(tmp);
 126
 127                                 while (tmp.hasChildNodes()) {
 128                                         let row = tmp.removeChild(tmp.firstChild);
 129
 130                                         if (loaded_article_ids.indexOf(row.id) == -1 || row.hasClassName("feed-title")) {
 131                                                 dijit.byId("headlines-frame").domNode.appendChild(row);
 132
 133                                                 loaded_article_ids.push(row.id);
 134                                         }
 135                                 }
 136
 137                                 if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 138                                 c.domNode.appendChild(hsp);
 139
 140                                 if (headlines_count < 30) _infscroll_disable = true;
 141
 142                                 console.log("restore selected ids: " + ids);
 143
 144                                 for (let i = 0; i < ids.length; i++) {
 145                                         markHeadline(ids[i]);
 146                                 }
 147
 148                                 initHeadlinesMenu();
 149
 150                                 if (_infscroll_disable) {
 151                                         hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 152                                         __("Click to open next unread feed.") + "</a>";
 153                                 }
 154
 155                         } else {
 156                                 console.log("no new headlines received");
 157
 158                                 const first_id_changed = reply['headlines']['first_id_changed'];
 159                                 console.log("first id changed:" + first_id_changed);
 160
 161                                 let hsp = $("headlines-spacer");
 162
 163                                 if (hsp) {
 164                                         if (first_id_changed) {
 165                                                 hsp.innerHTML = "<a href='#' onclick='viewCurrentFeed()'>" +
 166                                                 __("New articles found, reload feed to continue.") + "</a>";
 167                                         } else {
 168                                                 hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 169                                                 __("Click to open next unread feed.") + "</a>";
 170                                         }
 171
 172                                 }
 173
 174                         }
 175
 176                 if (articles) {
 177                         for (let i = 0; i < articles.length; i++) {
 178                                 const a_id = articles[i]['id'];
 179                                 cache_set("article:" + a_id, articles[i]['content']);
 180                         }
 181                 } else {
 182                         console.log("no cached articles received");
 183                 }
 184
 185                 if (counters)
 186                         parse_counters(counters);
 187                 else
 188                         request_counters();
 189
 190         } else {
 191                 console.error("Invalid object received: " + transport.responseText);
 192                 dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 193                                 __('Could not update headlines (invalid object received - see error console for details)') +
 194                                 "</div>");
 195         }
 196
 197         _infscroll_request_sent = 0;
 198         _last_headlines_update = new Date().getTime();
 199
 200         unpackVisibleHeadlines();
 201
 202         // if we have some more space in the buffer, why not try to fill it
 203
 204         if (!_infscroll_disable && $("headlines-spacer") &&
 205                         $("headlines-spacer").offsetTop < $("headlines-frame").offsetHeight) {
 206
 207                 window.setTimeout(function() {
 208                         loadMoreHeadlines();
 209                 }, 250);
 210         }
 211
 212         notify("");
 213 }
 214
 215 function render_article(article) {
 216         cleanup_memory("content-insert");
 217
 218         dijit.byId("headlines-wrap-inner").addChild(
 219                         dijit.byId("content-insert"));
 220
 221         const c = dijit.byId("content-insert");
 222
 223         try {
 224                 c.domNode.scrollTop = 0;
 225         } catch (e) { }
 226
 227         c.attr('content', article);
 228         PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED, c.domNode);
 229
 230         correctHeadlinesOffset(getActiveArticleId());
 231
 232         try {
 233                 c.focus();
 234         } catch (e) { }
 235 }
 236
 237 function showArticleInHeadlines(id, noexpand) {
 238         const row = $("RROW-" + id);
 239         if (!row) return;
 240
 241         if (!noexpand)
 242                 row.removeClassName("Unread");
 243
 244         row.addClassName("active");
 245
 246         selectArticles('none');
 247
 248         markHeadline(id);
 249 }
 250
 251 function article_callback2(transport, id) {
 252         console.log("article_callback2 " + id);
 253
 254         const reply = handle_rpc_json(transport);
 255
 256         if (reply) {
 257
 258                 reply.each(function(article) {
 259                         if (getActiveArticleId() == article['id']) {
 260                                 render_article(article['content']);
 261                         }
 262                         cids_requested.remove(article['id']);
 263
 264                         cache_set("article:" + article['id'], article['content']);
 265                 });
 266
 267         } else {
 268                 console.error("Invalid object received: " + transport.responseText);
 269
 270                 render_article("<div class='whiteBox'>" +
 271                                 __('Could not display article (invalid object received - see error console for details)') + "</div>");
 272         }
 273
 274         const unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length;
 275         request_counters(unread_in_buffer == 0);
 276
 277         notify("");
 278 }
 279
 280 function view(id, activefeed, noexpand) {
 281         const oldrow = $("RROW-" + getActiveArticleId());
 282         if (oldrow) oldrow.removeClassName("active");
 283
 284         const crow = $("RROW-" + id);
 285
 286         if (!crow) return;
 287         if (noexpand) {
 288                 setActiveArticleId(id);
 289                 showArticleInHeadlines(id, noexpand);
 290                 return;
 291         }
 292
 293         console.log("loading article: " + id);
 294
 295         const cached_article = cache_get("article:" + id);
 296
 297         console.log("cache check result: " + (cached_article != false));
 298
 299         const query = {op: "article", method: "view", id: id};
 300
 301         const neighbor_ids = getRelativePostIds(id);
 302
 303         /* only request uncached articles */
 304
 305         const cids_to_request = [];
 306
 307         for (let i = 0; i < neighbor_ids.length; i++) {
 308                 if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 309                         if (!cache_get("article:" + neighbor_ids[i])) {
 310                                 cids_to_request.push(neighbor_ids[i]);
 311                                 cids_requested.push(neighbor_ids[i]);
 312                         }
 313         }
 314
 315         console.log("additional ids: " + cids_to_request.toString());
 316
 317         query.cids = cids_to_request.toString();
 318
 319         const article_is_unread = crow.hasClassName("Unread");
 320
 321         setActiveArticleId(id);
 322         showArticleInHeadlines(id);
 323
 324         if (cached_article && article_is_unread) {
 325                 query.mode = "prefetch";
 326                 render_article(cached_article);
 327         } else if (cached_article) {
 328                 query.mode = "prefetch_old";
 329                 render_article(cached_article);
 330
 331                 // if we don't need to request any relative ids, we might as well skip
 332                 // the server roundtrip altogether
 333                 if (cids_to_request.length == 0) {
 334                         return;
 335                 }
 336         }
 337
 338         last_requested_article = id;
 339
 340         console.log(query);
 341
 342         if (article_is_unread) {
 343                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 344         }
 345
 346         xhrPost("backend.php", query, (transport) => {
 347                 article_callback2(transport, id);
 348         })
 349
 350         return false;
 351
 352 }
 353
 354 function toggleMark(id, client_only) {
 355         const query = { op: "rpc", id: id, method: "mark" };
 356
 357         const row = $("RROW-" + id);
 358         if (!row) return;
 359
 360         const imgs = [];
 361
 362         const row_imgs = row.getElementsByClassName("markedPic");
 363
 364         for (let i = 0; i < row_imgs.length; i++)
 365                 imgs.push(row_imgs[i]);
 366
 367         const ft = $("floatingTitle");
 368
 369         if (ft && ft.getAttribute("data-article-id") == id) {
 370                 const fte = ft.getElementsByClassName("markedPic");
 371
 372                 for (var i = 0; i < fte.length; i++)
 373                         imgs.push(fte[i]);
 374         }
 375
 376         for (i = 0; i < imgs.length; i++) {
 377                 const img = imgs[i];
 378
 379                 if (!row.hasClassName("marked")) {
 380                         img.src = img.src.replace("mark_unset", "mark_set");
 381                         query.mark = 1;
 382                 } else {
 383                         img.src = img.src.replace("mark_set", "mark_unset");
 384                         query.mark = 0;
 385                 }
 386         }
 387
 388         row.toggleClassName("marked");
 389
 390         if (!client_only)
 391                 xhrPost("backend.php", query, (transport) => {
 392                         handle_rpc_json(transport);
 393                 });
 394         }
 395
 396 function togglePub(id, client_only, no_effects, note) {
 397         const query = { op: "rpc", id: id, method: "publ" };
 398
 399         if (note != undefined) {
 400                 query.note = note;
 401         } else {
 402                 query.note = "undefined";
 403         }
 404
 405         const row = $("RROW-" + id);
 406         if (!row) return;
 407
 408         const imgs = [];
 409
 410         const row_imgs = row.getElementsByClassName("pubPic");
 411
 412         for (let i = 0; i < row_imgs.length; i++)
 413                 imgs.push(row_imgs[i]);
 414
 415         const ft = $("floatingTitle");
 416
 417         if (ft && ft.getAttribute("data-article-id") == id) {
 418                 const fte = ft.getElementsByClassName("pubPic");
 419
 420                 for (let i = 0; i < fte.length; i++)
 421                         imgs.push(fte[i]);
 422         }
 423
 424         for (let i = 0; i < imgs.length; i++) {
 425                 const img = imgs[i];
 426
 427                 if (!row.hasClassName("published") || note != undefined) {
 428                         img.src = img.src.replace("pub_unset", "pub_set");
 429                         query.pub = 1;
 430                 } else {
 431                         img.src = img.src.replace("pub_set", "pub_unset");
 432                         query.pub = 0;
 433                 }
 434         }
 435
 436         if (note != undefined)
 437                 row.addClassName("published");
 438         else
 439                 row.toggleClassName("published");
 440
 441         if (!client_only)
 442                 xhrPost("backend.php", query, (transport) => {
 443                                 handle_rpc_json(transport);
 444                 });
 445 }
 446
 447 function moveToPost(mode, noscroll, noexpand) {
 448         const rows = getLoadedArticleIds();
 449
 450         let prev_id = false;
 451         let next_id = false;
 452
 453         if (!$('RROW-' + getActiveArticleId())) {
 454                 setActiveArticleId(0);
 455         }
 456
 457         if (!getActiveArticleId()) {
 458                 next_id = rows[0];
 459                 prev_id = rows[rows.length-1]
 460         } else {
 461                 for (let i = 0; i < rows.length; i++) {
 462                         if (rows[i] == getActiveArticleId()) {
 463
 464                                 // Account for adjacent identical article ids.
 465                                 if (i > 0) prev_id = rows[i-1];
 466
 467                                 for (let j = i+1; j < rows.length; j++) {
 468                                         if (rows[j] != getActiveArticleId()) {
 469                                                 next_id = rows[j];
 470                                                 break;
 471                                         }
 472                                 }
 473                                 break;
 474                         }
 475                 }
 476         }
 477
 478         console.log("cur: " + getActiveArticleId() + " next: " + next_id);
 479
 480         if (mode == "next") {
 481                 if (next_id || getActiveArticleId()) {
 482                         if (isCdmMode()) {
 483
 484                                 var article = $("RROW-" + getActiveArticleId());
 485                                 var ctr = $("headlines-frame");
 486
 487                                 if (!noscroll && article && article.offsetTop + article.offsetHeight >
 488                                                 ctr.scrollTop + ctr.offsetHeight) {
 489
 490                                         scrollArticle(ctr.offsetHeight/4);
 491
 492                                 } else if (next_id) {
 493                                         cdmScrollToArticleId(next_id, true);
 494                                         toggleUnread(next_id, 0);
 495                                 }
 496
 497                         } else if (next_id) {
 498                                 correctHeadlinesOffset(next_id);
 499                                 view(next_id, getActiveFeedId(), noexpand);
 500                         }
 501                 }
 502         }
 503
 504         if (mode == "prev") {
 505                 if (prev_id || getActiveArticleId()) {
 506                         if (isCdmMode()) {
 507
 508                                 var article = $("RROW-" + getActiveArticleId());
 509                                 const prev_article = $("RROW-" + prev_id);
 510                                 var ctr = $("headlines-frame");
 511
 512                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 513                                         scrollArticle(-ctr.offsetHeight/3);
 514                                 } else if (!noscroll && prev_article &&
 515                                                 prev_article.offsetTop < ctr.scrollTop) {
 516                                         scrollArticle(-ctr.offsetHeight/4);
 517                                 } else if (prev_id) {
 518                                         cdmScrollToArticleId(prev_id, noscroll);
 519                                         toggleUnread(next_id, 0);1
 520                                 }
 521
 522                         } else if (prev_id) {
 523                                 correctHeadlinesOffset(prev_id);
 524                                 view(prev_id, getActiveFeedId(), noexpand);
 525                         }
 526                 }
 527         }
 528
 529 }
 530
 531 function toggleSelected(id, force_on) {
 532         const row = $("RROW-" + id);
 533
 534         if (row) {
 535                 const cb = dijit.getEnclosingWidget(
 536                                 row.getElementsByClassName("rchk")[0]);
 537
 538                 if (row.hasClassName('Selected') && !force_on) {
 539                         row.removeClassName('Selected');
 540                         if (cb) cb.attr("checked", false);
 541                 } else {
 542                         row.addClassName('Selected');
 543                         if (cb) cb.attr("checked", true);
 544                 }
 545         }
 546
 547         updateSelectedPrompt();
 548 }
 549
 550 function updateSelectedPrompt() {
 551         const count = getSelectedArticleIds2().length;
 552         const elem = $("selected_prompt");
 553
 554         if (elem) {
 555                 elem.innerHTML = ngettext("%d article selected",
 556                                 "%d articles selected", count).replace("%d", count);
 557
 558                 if (count > 0)
 559                         Element.show(elem);
 560                 else
 561                         Element.hide(elem);
 562         }
 563
 564 }
 565
 566 function toggleUnread(id, cmode) {
 567         const row = $("RROW-" + id);
 568         if (row) {
 569                 const tmpClassName = row.className;
 570
 571                 if (cmode == undefined || cmode == 2) {
 572                         if (row.hasClassName("Unread")) {
 573                                 row.removeClassName("Unread");
 574
 575                         } else {
 576                                 row.addClassName("Unread");
 577                         }
 578
 579                 } else if (cmode == 0) {
 580
 581                         row.removeClassName("Unread");
 582
 583                 } else if (cmode == 1) {
 584                         row.addClassName("Unread");
 585                 }
 586
 587                 if (tmpClassName != row.className) {
 588                         if (cmode == undefined) cmode = 2;
 589
 590                         const query = {op: "rpc", method: "catchupSelected",
 591                                 cmode: cmode, ids: id};
 592
 593                         xhrPost("backend.php", query, (transport) => {
 594                                         handle_rpc_json(transport);
 595
 596                         });
 597                 }
 598         }
 599 }
 600
 601 function selectionRemoveLabel(id, ids) {
 602         if (!ids) ids = getSelectedArticleIds2();
 603
 604         if (ids.length == 0) {
 605                 alert(__("No articles are selected."));
 606                 return;
 607         }
 608
 609         const query = { op: "article", method: "removeFromLabel",
 610                 ids: ids.toString(), lid: id };
 611
 612         xhrPost("backend.php", query, (transport) => {
 613                 handle_rpc_json(transport);
 614                 show_labels_in_headlines(transport);
 615         });
 616 }
 617
 618 function selectionAssignLabel(id, ids) {
 619         if (!ids) ids = getSelectedArticleIds2();
 620
 621         if (ids.length == 0) {
 622                 alert(__("No articles are selected."));
 623                 return;
 624         }
 625
 626         const query = { op: "article", method: "assignToLabel",
 627                 ids: ids.toString(), lid: id };
 628
 629         xhrPost("backend.php", query, (transport) => {
 630                 handle_rpc_json(transport);
 631                 show_labels_in_headlines(transport);
 632         });
 633 }
 634
 635 function selectionToggleUnread(set_state, callback, no_error, ids) {
 636         const rows = ids ? ids : getSelectedArticleIds2();
 637
 638         if (rows.length == 0 && !no_error) {
 639                 alert(__("No articles are selected."));
 640                 return;
 641         }
 642
 643         for (let i = 0; i < rows.length; i++) {
 644                 const row = $("RROW-" + rows[i]);
 645                 if (row) {
 646                         if (set_state == undefined) {
 647                                 if (row.hasClassName("Unread")) {
 648                                         row.removeClassName("Unread");
 649                                 } else {
 650                                         row.addClassName("Unread");
 651                                 }
 652                         }
 653
 654                         if (set_state == false) {
 655                                 row.removeClassName("Unread");
 656                         }
 657
 658                         if (set_state == true) {
 659                                 row.addClassName("Unread");
 660                         }
 661                 }
 662         }
 663
 664         updateFloatingTitle(true);
 665
 666         if (rows.length > 0) {
 667
 668                 let cmode = "";
 669
 670                 if (set_state == undefined) {
 671                         cmode = "2";
 672                 } else if (set_state == true) {
 673                         cmode = "1";
 674                 } else if (set_state == false) {
 675                         cmode = "0";
 676                 }
 677
 678                 const query = {op: "rpc", method: "catchupSelected",
 679                         cmode: cmode, ids: rows.toString() };
 680
 681                 notify_progress("Loading, please wait...");
 682
 683                 xhrPost("backend.php", query, (transport) => {
 684                         handle_rpc_json(transport);
 685                         if (callback) callback(transport);
 686                 });
 687
 688         }
 689 }
 690
 691 // sel_state ignored
 692 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 693         const rows = ids ? ids : getSelectedArticleIds2();
 694
 695         if (rows.length == 0 && !no_error) {
 696                 alert(__("No articles are selected."));
 697                 return;
 698         }
 699
 700         for (let i = 0; i < rows.length; i++) {
 701                 toggleMark(rows[i], true, true);
 702         }
 703
 704         if (rows.length > 0) {
 705                 const query = { op: "rpc", method: "markSelected",
 706                         ids:  rows.toString(), cmode: 2 };
 707
 708                 xhrPost("backend.php", query, (transport) => {
 709                         handle_rpc_json(transport);
 710                         if (callback) callback(transport);
 711                 });
 712         }
 713 }
 714
 715 // sel_state ignored
 716 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 717         const rows = ids ? ids : getSelectedArticleIds2();
 718
 719         if (rows.length == 0 && !no_error) {
 720                 alert(__("No articles are selected."));
 721                 return;
 722         }
 723
 724         for (let i = 0; i < rows.length; i++) {
 725                 togglePub(rows[i], true, true);
 726         }
 727
 728         if (rows.length > 0) {
 729                 const query = { op: "rpc", method: "publishSelected",
 730                         ids:  rows.toString(), cmode: 2 };
 731
 732                 xhrPost("backend.php", query, (transport) => {
 733                         handle_rpc_json(transport);
 734                         if (callback) callback(transport);
 735                 });
 736         }
 737 }
 738
 739 function getSelectedArticleIds2() {
 740
 741         const rv = [];
 742
 743         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 744                 function(child) {
 745                         rv.push(child.getAttribute("data-article-id"));
 746                 });
 747
 748         return rv;
 749 }
 750
 751 function getLoadedArticleIds() {
 752         const rv = [];
 753
 754         const children = $$("#headlines-frame > div[id*=RROW-]");
 755
 756         children.each(function(child) {
 757                 if (Element.visible(child)) {
 758                         rv.push(child.getAttribute("data-article-id"));
 759                 }
 760         });
 761
 762         return rv;
 763
 764 }
 765
 766 // mode = all,none,unread,invert,marked,published
 767 function selectArticles(mode, query) {
 768         if (!query) query = "#headlines-frame > div[id*=RROW]";
 769
 770         const children = $$(query);
 771
 772         children.each(function(child) {
 773                 //const id = child.getAttribute("data-article-id");
 774
 775                 const cb = dijit.getEnclosingWidget(
 776                                 child.getElementsByClassName("rchk")[0]);
 777
 778                 if (mode == "all") {
 779                         child.addClassName("Selected");
 780                         if (cb) cb.attr("checked", true);
 781                 } else if (mode == "unread") {
 782                         if (child.hasClassName("Unread")) {
 783                                 child.addClassName("Selected");
 784                                 if (cb) cb.attr("checked", true);
 785                         } else {
 786                                 child.removeClassName("Selected");
 787                                 if (cb) cb.attr("checked", false);
 788                         }
 789                 } else if (mode == "marked") {
 790                         if (child.hasClassName("marked")) {
 791                                 child.addClassName("Selected");
 792                                 if (cb) cb.attr("checked", true);
 793                         } else {
 794                                 child.removeClassName("Selected");
 795                                 if (cb) cb.attr("checked", false);
 796                         }
 797                 } else if (mode == "published") {
 798                         if (child.hasClassName("published")) {
 799                                 child.addClassName("Selected");
 800                                 if (cb) cb.attr("checked", true);
 801                         } else {
 802                                 child.removeClassName("Selected");
 803                                 if (cb) cb.attr("checked", false);
 804                         }
 805
 806                 } else if (mode == "invert") {
 807                         if (child.hasClassName("Selected")) {
 808                                 child.removeClassName("Selected");
 809                                 if (cb) cb.attr("checked", false);
 810                         } else {
 811                                 child.addClassName("Selected");
 812                                 if (cb) cb.attr("checked", true);
 813                         }
 814
 815                 } else {
 816                         child.removeClassName("Selected");
 817                         if (cb) cb.attr("checked", false);
 818                 }
 819         });
 820
 821         updateSelectedPrompt();
 822 }
 823
 824 function deleteSelection() {
 825
 826         const rows = getSelectedArticleIds2();
 827
 828         if (rows.length == 0) {
 829                 alert(__("No articles are selected."));
 830                 return;
 831         }
 832
 833         const fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 834         let str;
 835
 836         if (getActiveFeedId() != 0) {
 837                 str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?", rows.length);
 838         } else {
 839                 str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
 840         }
 841
 842         str = str.replace("%d", rows.length);
 843         str = str.replace("%s", fn);
 844
 845         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 846                 return;
 847         }
 848
 849         const query = { op: "rpc", method: "delete", ids: rows.toString() };
 850
 851         xhrPost("backend.php", query, (transport) => {
 852                 handle_rpc_json(transport);
 853                 viewCurrentFeed();
 854         });
 855 }
 856
 857 function archiveSelection() {
 858
 859         const rows = getSelectedArticleIds2();
 860
 861         if (rows.length == 0) {
 862                 alert(__("No articles are selected."));
 863                 return;
 864         }
 865
 866         const fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 867         let str;
 868         let op;
 869
 870         if (getActiveFeedId() != 0) {
 871                 str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
 872                 op = "archive";
 873         } else {
 874                 str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
 875
 876                 str += " " + __("Please note that unstarred articles might get purged on next feed update.");
 877
 878                 op = "unarchive";
 879         }
 880
 881         str = str.replace("%d", rows.length);
 882         str = str.replace("%s", fn);
 883
 884         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 885                 return;
 886         }
 887
 888         for (let i = 0; i < rows.length; i++) {
 889                 cache_delete("article:" + rows[i]);
 890         }
 891
 892         const query = {op: "rpc", method: op, ids: rows.toString()};
 893
 894         xhrPost("backend.php", query, (transport) => {
 895                 handle_rpc_json(transport);
 896                 viewCurrentFeed();
 897         });
 898 }
 899
 900 function catchupSelection() {
 901
 902         const rows = getSelectedArticleIds2();
 903
 904         if (rows.length == 0) {
 905                 alert(__("No articles are selected."));
 906                 return;
 907         }
 908
 909         const fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 910
 911         let str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
 912
 913         str = str.replace("%d", rows.length);
 914         str = str.replace("%s", fn);
 915
 916         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 917                 return;
 918         }
 919
 920         selectionToggleUnread(false, 'viewCurrentFeed()', true);
 921 }
 922
 923 function editArticleTags(id) {
 924         const query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
 925
 926         if (dijit.byId("editTagsDlg"))
 927                 dijit.byId("editTagsDlg").destroyRecursive();
 928
 929         const dialog = new dijit.Dialog({
 930                 id: "editTagsDlg",
 931                 title: __("Edit article Tags"),
 932                 style: "width: 600px",
 933                 execute: function() {
 934                         if (this.validate()) {
 935                                 const query = dojo.objectToQuery(this.attr('value'));
 936
 937                                 notify_progress("Saving article tags...", true);
 938
 939                                 xhrPost("backend.php", this.attr('value'), (transport) => {
 940                                         try {
 941                                                 notify('');
 942                                                 dialog.hide();
 943
 944                                                 const data = JSON.parse(transport.responseText);
 945
 946                                                 if (data) {
 947                                                         const id = data.id;
 948
 949                                                         const tags = $("ATSTR-" + id);
 950                                                         const tooltip = dijit.byId("ATSTRTIP-" + id);
 951
 952                                                         if (tags) tags.innerHTML = data.content;
 953                                                         if (tooltip) tooltip.attr('label', data.content_full);
 954                                                 }
 955                                         } catch (e) {
 956                                                 exception_error(e);
 957                                         }
 958                                 });
 959                         }
 960                 },
 961                 href: query
 962         });
 963
 964         var tmph = dojo.connect(dialog, 'onLoad', function() {
 965                 dojo.disconnect(tmph);
 966
 967                 new Ajax.Autocompleter('tags_str', 'tags_choices',
 968                    "backend.php?op=article&method=completeTags",
 969                    { tokens: ',', paramName: "search" });
 970         });
 971
 972         dialog.show();
 973
 974 }
 975
 976 function cdmScrollToArticleId(id, force) {
 977         const ctr = $("headlines-frame");
 978         const e = $("RROW-" + id);
 979
 980         if (!e || !ctr) return;
 981
 982         if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
 983                         e.offsetTop < ctr.scrollTop) {
 984
 985                 // expanded cdm has a 4px margin now
 986                 ctr.scrollTop = parseInt(e.offsetTop) - 4;
 987         }
 988 }
 989
 990 function setActiveArticleId(id) {
 991         console.log("setActiveArticleId:" + id);
 992
 993         _active_article_id = id;
 994         PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
 995 }
 996
 997 function getActiveArticleId() {
 998         return _active_article_id;
 999 }
1000
1001 function postMouseIn(e, id) {
1002         post_under_pointer = id;
1003 }
1004
1005 function postMouseOut(id) {
1006         post_under_pointer = false;
1007 }
1008
1009 function unpackVisibleHeadlines() {
1010         if (!isCdmMode()) return;
1011
1012         const rows = $$("#headlines-frame div[id*=RROW][data-content]");
1013         const threshold = $("headlines-frame").scrollTop + $("headlines-frame").offsetHeight + 300;
1014
1015         for (let i = 0; i < rows.length; i++) {
1016                 const row = rows[i];
1017
1018                 if (row.offsetTop <= threshold) {
1019                         console.log("unpacking: " + row.id);
1020
1021                         const content = row.getAttribute("data-content");
1022
1023                         row.select(".content-inner")[0].innerHTML = content;
1024                         row.removeAttribute("data-content");
1025
1026                         PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED_CDM, row);
1027                 } else {
1028                         break;
1029                 }
1030         }
1031 }
1032
1033 function headlines_scroll_handler(e) {
1034         try {
1035
1036                 // rate-limit in case of smooth scrolling and similar abominations
1037                 if (Math.max(e.scrollTop, _headlines_scroll_offset) - Math.min(e.scrollTop, _headlines_scroll_offset) < 25) {
1038                         return;
1039                 }
1040
1041                 _headlines_scroll_offset = e.scrollTop;
1042
1043                 unpackVisibleHeadlines();
1044
1045                 // set topmost child in the buffer as active
1046                 if (isCdmMode() && getInitParam("cdm_auto_catchup") == 1 &&
1047                                 getSelectedArticleIds2().length <= 1) {
1048
1049                         const rows = $$("#headlines-frame > div[id*=RROW]");
1050
1051                         for (let i = 0; i < rows.length; i++) {
1052                                 const row = rows[i];
1053
1054                                 if ($("headlines-frame").scrollTop <= row.offsetTop &&
1055                                         row.offsetTop - $("headlines-frame").scrollTop < 100 &&
1056                                         row.getAttribute("data-article-id") != _active_article_id) {
1057
1058                                         if (_active_article_id) {
1059                                                 const row = $("RROW-" + _active_article_id);
1060                                                 if (row) row.removeClassName("active");
1061                                         }
1062
1063                                         _active_article_id = row.getAttribute("data-article-id");
1064                                         showArticleInHeadlines(_active_article_id, true);
1065                                         updateSelectedPrompt();
1066                                         break;
1067                                 }
1068                         }
1069                 }
1070
1071                 if (!_infscroll_disable) {
1072                         const hsp = $("headlines-spacer");
1073
1074                         if (hsp && hsp.offsetTop - 250 <= e.scrollTop + e.offsetHeight) {
1075
1076                                 hsp.innerHTML = "<span class='loading'><img src='images/indicator_tiny.gif'> " +
1077                                         __("Loading, please wait...") + "</span>";
1078
1079                                 loadMoreHeadlines();
1080                                 return;
1081
1082                         }
1083                 }
1084
1085                 if (isCdmMode()) {
1086                         updateFloatingTitle();
1087                 }
1088
1089                 if (getInitParam("cdm_auto_catchup") == 1) {
1090
1091                         let rows = $$("#headlines-frame > div[id*=RROW][class*=Unread]");
1092
1093                         for (let i = 0; i < rows.length; i++) {
1094                                 const row = rows[i];
1095
1096                                 if ($("headlines-frame").scrollTop > (row.offsetTop + row.offsetHeight/2)) {
1097
1098                                         const id = row.getAttribute("data-article-id")
1099
1100                                         if (catchup_id_batch.indexOf(id) == -1)
1101                                                 catchup_id_batch.push(id);
1102
1103                                         //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1104                                 } else {
1105                                         break;
1106                                 }
1107                         }
1108
1109                         if (_infscroll_disable) {
1110                                 const row = $$("#headlines-frame div[id*=RROW]").last();
1111
1112                                 if (row && $("headlines-frame").scrollTop >
1113                                                 (row.offsetTop + row.offsetHeight - 50)) {
1114
1115                                         console.log("we seem to be at an end");
1116
1117                                         if (getInitParam("on_catchup_show_next_feed") == "1") {
1118                                                 openNextUnreadFeed();
1119                                         }
1120                                 }
1121                         }
1122                 }
1123
1124         } catch (e) {
1125                 console.warn("headlines_scroll_handler: " + e);
1126         }
1127 }
1128
1129 function openNextUnreadFeed() {
1130         const is_cat = activeFeedIsCat();
1131         const nuf = getNextUnreadFeed(getActiveFeedId(), is_cat);
1132         if (nuf) viewfeed({feed: nuf, is_cat: is_cat});
1133 }
1134
1135 function catchupBatchedArticles() {
1136         if (catchup_id_batch.length > 0 && !_infscroll_request_sent && !_catchup_request_sent) {
1137
1138                 console.log("catchupBatchedArticles, size=", catchup_id_batch.length);
1139
1140                 // make a copy of the array
1141                 const batch = catchup_id_batch.slice();
1142                 const query = { op: "rpc", method: "catchupSelected",
1143                         cmode: 0, ids: batch.toString() };
1144
1145                 _catchup_request_sent = true;
1146
1147                 xhrPost("backend.php", query, (transport) => {
1148                         const reply = handle_rpc_json(transport);
1149
1150                         _catchup_request_sent = false;
1151
1152                         if (reply) {
1153                                 const batch = reply.ids;
1154
1155                                 batch.each(function (id) {
1156                                         const elem = $("RROW-" + id);
1157                                         if (elem) elem.removeClassName("Unread");
1158                                         catchup_id_batch.remove(id);
1159                                 });
1160                         }
1161
1162                         updateFloatingTitle(true);
1163                 });
1164         }
1165 }
1166
1167 function catchupRelativeToArticle(below, id) {
1168
1169         if (!id) id = getActiveArticleId();
1170
1171         if (!id) {
1172                 alert(__("No article is selected."));
1173                 return;
1174         }
1175
1176         const visible_ids = getLoadedArticleIds();
1177
1178         const ids_to_mark = [];
1179
1180         if (!below) {
1181                 for (var i = 0; i < visible_ids.length; i++) {
1182                         if (visible_ids[i] != id) {
1183                                 var e = $("RROW-" + visible_ids[i]);
1184
1185                                 if (e && e.hasClassName("Unread")) {
1186                                         ids_to_mark.push(visible_ids[i]);
1187                                 }
1188                         } else {
1189                                 break;
1190                         }
1191                 }
1192         } else {
1193                 for (var i = visible_ids.length - 1; i >= 0; i--) {
1194                         if (visible_ids[i] != id) {
1195                                 var e = $("RROW-" + visible_ids[i]);
1196
1197                                 if (e && e.hasClassName("Unread")) {
1198                                         ids_to_mark.push(visible_ids[i]);
1199                                 }
1200                         } else {
1201                                 break;
1202                         }
1203                 }
1204         }
1205
1206         if (ids_to_mark.length == 0) {
1207                 alert(__("No articles found to mark"));
1208         } else {
1209                 const msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1210
1211                 if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1212
1213                         for (var i = 0; i < ids_to_mark.length; i++) {
1214                                 var e = $("RROW-" + ids_to_mark[i]);
1215                                 e.removeClassName("Unread");
1216                         }
1217
1218                         const query = { op: "rpc", method: "catchupSelected",
1219                                 cmode: 0, ids: ids_to_mark.toString() };
1220
1221                         xhrPost("backend.php", query, (transport) => {
1222                                 handle_rpc_json(transport);
1223                         });
1224                 }
1225         }
1226 }
1227
1228 function getArticleUnderPointer() {
1229         return post_under_pointer;
1230 }
1231
1232 function scrollArticle(offset) {
1233         if (!isCdmMode()) {
1234                 const ci = $("content-insert");
1235                 if (ci) {
1236                         ci.scrollTop += offset;
1237                 }
1238         } else {
1239                 const hi = $("headlines-frame");
1240                 if (hi) {
1241                         hi.scrollTop += offset;
1242                 }
1243
1244         }
1245 }
1246
1247 function show_labels_in_headlines(transport) {
1248         const data = JSON.parse(transport.responseText);
1249
1250         if (data) {
1251                 data['info-for-headlines'].each(function (elem) {
1252                         $$(".HLLCTR-" + elem.id).each(function (ctr) {
1253                                 ctr.innerHTML = elem.labels;
1254                         });
1255                 });
1256         }
1257 }
1258
1259 function cdmClicked(event, id, in_body) {
1260         //var shift_key = event.shiftKey;
1261
1262         if (!event.ctrlKey && !event.metaKey) {
1263
1264                 let elem = $("RROW-" + getActiveArticleId());
1265
1266                 if (elem) elem.removeClassName("active");
1267
1268                 selectArticles("none");
1269                 toggleSelected(id);
1270
1271                 elem = $("RROW-" + id);
1272                 const article_is_unread = elem.hasClassName("Unread");
1273
1274                 elem.removeClassName("Unread");
1275                 elem.addClassName("active");
1276
1277                 setActiveArticleId(id);
1278
1279                 if (article_is_unread) {
1280                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1281                         updateFloatingTitle(true);
1282
1283                         const query = {
1284                                 op: "rpc", method: "catchupSelected",
1285                                 cmode: 0, ids: id
1286                         };
1287
1288                         xhrPost("backend.php", query, (transport) => {
1289                                 handle_rpc_json(transport);
1290                         });
1291                 }
1292
1293                 return !event.shiftKey;
1294
1295         } else if (!in_body) {
1296
1297                 toggleSelected(id, true);
1298
1299                 let elem = $("RROW-" + id);
1300                 const article_is_unread = elem.hasClassName("Unread");
1301
1302                 if (article_is_unread) {
1303                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1304                 }
1305
1306                 toggleUnread(id, 0, false);
1307
1308                 openArticleInNewWindow(id);
1309         } else {
1310                 return true;
1311         }
1312
1313         const unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1314         request_counters(unread_in_buffer == 0);
1315
1316         return false;
1317 }
1318
1319 function hlClicked(event, id) {
1320         if (event.which == 2) {
1321                 view(id);
1322                 return true;
1323         } else if (event.ctrlKey || event.metaKey) {
1324                 openArticleInNewWindow(id);
1325                 return false;
1326         } else {
1327                 view(id);
1328                 return false;
1329         }
1330 }
1331
1332 function openArticleInNewWindow(id) {
1333         toggleUnread(id, 0, false);
1334
1335         const w = window.open("");
1336         w.opener = null;
1337         w.location = "backend.php?op=article&method=redirect&id=" + id;
1338 }
1339
1340 function isCdmMode() {
1341         return getInitParam("combined_display_mode");
1342 }
1343
1344 function markHeadline(id, marked) {
1345         if (marked == undefined) marked = true;
1346
1347         const row = $("RROW-" + id);
1348         if (row) {
1349                 const check = dijit.getEnclosingWidget(
1350                                 row.getElementsByClassName("rchk")[0]);
1351
1352                 if (check) {
1353                         check.attr("checked", marked);
1354                 }
1355
1356                 if (marked)
1357                         row.addClassName("Selected");
1358                 else
1359                         row.removeClassName("Selected");
1360         }
1361 }
1362
1363 function getRelativePostIds(id, limit) {
1364
1365         const tmp = [];
1366
1367         if (!limit) limit = 6; //3
1368
1369         const ids = getLoadedArticleIds();
1370
1371         for (let i = 0; i < ids.length; i++) {
1372                 if (ids[i] == id) {
1373                         for (let k = 1; k <= limit; k++) {
1374                                 //if (i > k-1) tmp.push(ids[i-k]);
1375                                 if (i < ids.length - k) tmp.push(ids[i + k]);
1376                         }
1377                         break;
1378                 }
1379         }
1380
1381         return tmp;
1382 }
1383
1384 function correctHeadlinesOffset(id) {
1385
1386         const container = $("headlines-frame");
1387         const row = $("RROW-" + id);
1388
1389         if (!container || !row) return;
1390
1391         const viewport = container.offsetHeight;
1392
1393         const rel_offset_top = row.offsetTop - container.scrollTop;
1394         const rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1395
1396         //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1397         //console.log("Vport: " + viewport);
1398
1399         if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1400                 container.scrollTop = row.offsetTop;
1401         } else if (rel_offset_bottom > viewport) {
1402
1403                 /* doesn't properly work with Opera in some cases because
1404                  Opera fucks up element scrolling */
1405
1406                 container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1407         }
1408 }
1409
1410 function headlineActionsChange(elem) {
1411         eval(elem.value);
1412         elem.attr('value', 'false');
1413 }
1414
1415 function closeArticlePanel() {
1416
1417         if (dijit.byId("content-insert"))
1418                 dijit.byId("headlines-wrap-inner").removeChild(
1419                         dijit.byId("content-insert"));
1420 }
1421
1422 function initFloatingMenu() {
1423         if (!dijit.byId("floatingMenu")) {
1424
1425                 const menu = new dijit.Menu({
1426                         id: "floatingMenu",
1427                         targetNodeIds: ["floatingTitle"]
1428                 });
1429
1430                 headlinesMenuCommon(menu);
1431
1432                 menu.startup();
1433         }
1434 }
1435
1436 function headlinesMenuCommon(menu) {
1437
1438         menu.addChild(new dijit.MenuItem({
1439                 label: __("Open original article"),
1440                 onClick: function (event) {
1441                         openArticleInNewWindow(this.getParent().currentTarget.getAttribute("data-article-id"));
1442                 }
1443         }));
1444
1445         menu.addChild(new dijit.MenuItem({
1446                 label: __("Display article URL"),
1447                 onClick: function (event) {
1448                         displayArticleUrl(this.getParent().currentTarget.getAttribute("data-article-id"));
1449                 }
1450         }));
1451
1452         menu.addChild(new dijit.MenuSeparator());
1453
1454         menu.addChild(new dijit.MenuItem({
1455                 label: __("Toggle unread"),
1456                 onClick: function () {
1457
1458                         let ids = getSelectedArticleIds2();
1459                         // cast to string
1460                         const id = (this.getParent().currentTarget.getAttribute("data-article-id")) + "";
1461                         ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
1462
1463                         selectionToggleUnread(undefined, false, true, ids);
1464                 }
1465         }));
1466
1467         menu.addChild(new dijit.MenuItem({
1468                 label: __("Toggle starred"),
1469                 onClick: function () {
1470                         let ids = getSelectedArticleIds2();
1471                         // cast to string
1472                         const id = (this.getParent().currentTarget.getAttribute("data-article-id")) + "";
1473                         ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
1474
1475                         selectionToggleMarked(undefined, false, true, ids);
1476                 }
1477         }));
1478
1479         menu.addChild(new dijit.MenuItem({
1480                 label: __("Toggle published"),
1481                 onClick: function () {
1482                         let ids = getSelectedArticleIds2();
1483                         // cast to string
1484                         const id = (this.getParent().currentTarget.getAttribute("data-article-id")) + "";
1485                         ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
1486
1487                         selectionTogglePublished(undefined, false, true, ids);
1488                 }
1489         }));
1490
1491         menu.addChild(new dijit.MenuSeparator());
1492
1493         menu.addChild(new dijit.MenuItem({
1494                 label: __("Mark above as read"),
1495                 onClick: function () {
1496                         catchupRelativeToArticle(0, this.getParent().currentTarget.getAttribute("data-article-id"));
1497                 }
1498         }));
1499
1500         menu.addChild(new dijit.MenuItem({
1501                 label: __("Mark below as read"),
1502                 onClick: function () {
1503                         catchupRelativeToArticle(1, this.getParent().currentTarget.getAttribute("data-article-id"));
1504                 }
1505         }));
1506
1507
1508         const labels = getInitParam("labels");
1509
1510         if (labels && labels.length) {
1511
1512                 menu.addChild(new dijit.MenuSeparator());
1513
1514                 const labelAddMenu = new dijit.Menu({ownerMenu: menu});
1515                 const labelDelMenu = new dijit.Menu({ownerMenu: menu});
1516
1517                 labels.each(function (label) {
1518                         const bare_id = label.id;
1519                         const name = label.caption;
1520
1521                         labelAddMenu.addChild(new dijit.MenuItem({
1522                                 label: name,
1523                                 labelId: bare_id,
1524                                 onClick: function () {
1525
1526                                         let ids = getSelectedArticleIds2();
1527                                         // cast to string
1528                                         const id = (this.getParent().ownerMenu.currentTarget.getAttribute("data-article-id")) + "";
1529
1530                                         ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
1531
1532                                         selectionAssignLabel(this.labelId, ids);
1533                                 }
1534                         }));
1535
1536                         labelDelMenu.addChild(new dijit.MenuItem({
1537                                 label: name,
1538                                 labelId: bare_id,
1539                                 onClick: function () {
1540                                         let ids = getSelectedArticleIds2();
1541                                         // cast to string
1542                                         const id = (this.getParent().ownerMenu.currentTarget.getAttribute("data-article-id")) + "";
1543
1544                                         ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
1545
1546                                         selectionRemoveLabel(this.labelId, ids);
1547                                 }
1548                         }));
1549
1550                 });
1551
1552                 menu.addChild(new dijit.PopupMenuItem({
1553                         label: __("Assign label"),
1554                         popup: labelAddMenu
1555                 }));
1556
1557                 menu.addChild(new dijit.PopupMenuItem({
1558                         label: __("Remove label"),
1559                         popup: labelDelMenu
1560                 }));
1561
1562         }
1563 }
1564
1565 function initHeadlinesMenu() {
1566         if (!dijit.byId("headlinesMenu")) {
1567
1568                 const menu = new dijit.Menu({
1569                         id: "headlinesMenu",
1570                         targetNodeIds: ["headlines-frame"],
1571                         selector: ".hlMenuAttach"
1572                 });
1573
1574                 headlinesMenuCommon(menu);
1575
1576                 menu.startup();
1577         }
1578
1579         /* vgroup feed title menu */
1580
1581         if (!dijit.byId("headlinesFeedTitleMenu")) {
1582
1583                 const menu = new dijit.Menu({
1584                         id: "headlinesFeedTitleMenu",
1585                         targetNodeIds: ["headlines-frame"],
1586                         selector: "div.cdmFeedTitle"
1587                 });
1588
1589                 menu.addChild(new dijit.MenuItem({
1590                         label: __("Select articles in group"),
1591                         onClick: function (event) {
1592                                 selectArticles("all",
1593                                         "#headlines-frame > div[id*=RROW]" +
1594                                         "[data-orig-feed-id='" + this.getParent().currentTarget.getAttribute("data-feed-id") + "']");
1595
1596                         }
1597                 }));
1598
1599                 menu.addChild(new dijit.MenuItem({
1600                         label: __("Mark group as read"),
1601                         onClick: function () {
1602                                 selectArticles("none");
1603                                 selectArticles("all",
1604                                         "#headlines-frame > div[id*=RROW]" +
1605                                         "[data-orig-feed-id='" + this.getParent().currentTarget.getAttribute("data-feed-id") + "']");
1606
1607                                 catchupSelection();
1608                         }
1609                 }));
1610
1611                 menu.addChild(new dijit.MenuItem({
1612                         label: __("Mark feed as read"),
1613                         onClick: function () {
1614                                 catchupFeedInGroup(this.getParent().currentTarget.getAttribute("data-feed-id"));
1615                         }
1616                 }));
1617
1618                 menu.addChild(new dijit.MenuItem({
1619                         label: __("Edit feed"),
1620                         onClick: function () {
1621                                 editFeed(this.getParent().currentTarget.getAttribute("data-feed-id"));
1622                         }
1623                 }));
1624
1625                 menu.startup();
1626         }
1627 }
1628
1629 function cache_set(id, obj) {
1630         //console.log("cache_set: " + id);
1631         if (has_storage)
1632                 try {
1633                         sessionStorage[id] = obj;
1634                 } catch (e) {
1635                         sessionStorage.clear();
1636                 }
1637 }
1638
1639 function cache_get(id) {
1640         if (has_storage)
1641                 return sessionStorage[id];
1642 }
1643
1644 function cache_clear() {
1645         if (has_storage)
1646                 sessionStorage.clear();
1647 }
1648
1649 function cache_delete(id) {
1650         if (has_storage)
1651                 sessionStorage.removeItem(id);
1652 }
1653
1654 function cancelSearch() {
1655         _search_query = "";
1656         viewCurrentFeed();
1657 }
1658
1659 function setSelectionScore() {
1660         const ids = getSelectedArticleIds2();
1661
1662         if (ids.length > 0) {
1663                 console.log(ids);
1664
1665                 const score = prompt(__("Please enter new score for selected articles:"));
1666
1667                 if (score != undefined) {
1668                         const query = { op: "article", method: "setScore", id: ids.toString(),
1669                                 score: score };
1670
1671                         xhrJson("backend.php", query, (reply) => {
1672                                 if (reply) {
1673                                         reply.id.each((id) => {
1674                                                 const row = $("RROW-" + id);
1675
1676                                                 if (row) {
1677                                                         const pic = row.getElementsByClassName("score-pic")[0];
1678
1679                                                         if (pic) {
1680                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
1681                                                                         reply["score_pic"]);
1682                                                                 pic.setAttribute("score", reply["score"]);
1683                                                         }
1684                                                 }
1685                                         });
1686                                 }
1687                         });
1688                 }
1689
1690         } else {
1691                 alert(__("No articles are selected."));
1692         }
1693 }
1694
1695 function changeScore(id, pic) {
1696         const score = pic.getAttribute("score");
1697
1698         const new_score = prompt(__("Please enter new score for this article:"), score);
1699
1700         if (new_score != undefined) {
1701                 const query = { op: "article", method: "setScore", id: id, score: new_score };
1702
1703                 xhrJson("backend.php", query, (reply) => {
1704                         if (reply) {
1705                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
1706                                 pic.setAttribute("score", new_score);
1707                                 pic.setAttribute("title", new_score);
1708                         }
1709                 });
1710         }
1711 }
1712
1713 function displayArticleUrl(id) {
1714         const query = { op: "rpc", method: "getlinktitlebyid", id: id };
1715
1716         xhrJson("backend.php", query, (reply) => {
1717                 if (reply && reply.link) {
1718                         prompt(__("Article URL:"), reply.link);
1719                 }
1720         });
1721
1722 }
1723
1724 function scrollToRowId(id) {
1725         const row = $(id);
1726
1727         if (row)
1728                 $("headlines-frame").scrollTop = row.offsetTop - 4;
1729 }
1730
1731 function updateFloatingTitle(unread_only) {
1732         if (!isCdmMode()) return;
1733
1734         const hf = $("headlines-frame");
1735
1736         const elems = $$("#headlines-frame > div[id*=RROW]");
1737
1738         for (let i = 0; i < elems.length; i++) {
1739
1740                 const child = elems[i];
1741
1742                 if (child && child.offsetTop + child.offsetHeight > hf.scrollTop) {
1743
1744                         const header = child.getElementsByClassName("header")[0];
1745
1746                         if (unread_only || child.getAttribute("data-article-id") != $("floatingTitle").getAttribute("data-article-id")) {
1747                                 if (child.getAttribute("data-article-id") != $("floatingTitle").getAttribute("data-article-id")) {
1748
1749                                         $("floatingTitle").setAttribute("data-article-id", child.getAttribute("data-article-id"));
1750                                         $("floatingTitle").innerHTML = header.innerHTML;
1751                                         $("floatingTitle").firstChild.innerHTML = "<img class='anchor markedPic' src='images/page_white_go.png' onclick=\"scrollToRowId('" + child.id + "')\">" + $("floatingTitle").firstChild.innerHTML;
1752
1753                                         initFloatingMenu();
1754
1755                                         const cb = $$("#floatingTitle .dijitCheckBox")[0];
1756
1757                                         if (cb)
1758                                                 cb.parentNode.removeChild(cb);
1759                                 }
1760
1761                                 if (child.hasClassName("Unread"))
1762                                         $("floatingTitle").addClassName("Unread");
1763                                 else
1764                                         $("floatingTitle").removeClassName("Unread");
1765
1766                                 PluginHost.run(PluginHost.HOOK_FLOATING_TITLE, child);
1767                         }
1768
1769                         $("floatingTitle").style.marginRight = hf.offsetWidth - child.offsetWidth + "px";
1770                         if (header.offsetTop + header.offsetHeight < hf.scrollTop + $("floatingTitle").offsetHeight - 5 &&
1771                                 child.offsetTop + child.offsetHeight >= hf.scrollTop + $("floatingTitle").offsetHeight - 5)
1772                                 $("floatingTitle").style.visibility = "visible";
1773                         else
1774                                 $("floatingTitle").style.visibility = "hidden";
1775
1776                         return;
1777
1778                 }
1779         }
1780 }