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("cdmFeedTitle")) {
  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("cdmFeedTitle")) {
 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                                 }
 495
 496                         } else if (next_id) {
 497                                 correctHeadlinesOffset(next_id);
 498                                 view(next_id, getActiveFeedId(), noexpand);
 499                         }
 500                 }
 501         }
 502
 503         if (mode == "prev") {
 504                 if (prev_id || getActiveArticleId()) {
 505                         if (isCdmMode()) {
 506
 507                                 var article = $("RROW-" + getActiveArticleId());
 508                                 const prev_article = $("RROW-" + prev_id);
 509                                 var ctr = $("headlines-frame");
 510
 511                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 512                                         scrollArticle(-ctr.offsetHeight/3);
 513                                 } else if (!noscroll && prev_article &&
 514                                                 prev_article.offsetTop < ctr.scrollTop) {
 515                                         scrollArticle(-ctr.offsetHeight/4);
 516                                 } else if (prev_id) {
 517                                         cdmScrollToArticleId(prev_id, noscroll);
 518                                 }
 519
 520                         } else if (prev_id) {
 521                                 correctHeadlinesOffset(prev_id);
 522                                 view(prev_id, getActiveFeedId(), noexpand);
 523                         }
 524                 }
 525         }
 526
 527 }
 528
 529 function toggleSelected(id, force_on) {
 530         const row = $("RROW-" + id);
 531
 532         if (row) {
 533                 const cb = dijit.getEnclosingWidget(
 534                                 row.getElementsByClassName("rchk")[0]);
 535
 536                 if (row.hasClassName('Selected') && !force_on) {
 537                         row.removeClassName('Selected');
 538                         if (cb) cb.attr("checked", false);
 539                 } else {
 540                         row.addClassName('Selected');
 541                         if (cb) cb.attr("checked", true);
 542                 }
 543         }
 544
 545         updateSelectedPrompt();
 546 }
 547
 548 function updateSelectedPrompt() {
 549         const count = getSelectedArticleIds2().length;
 550         const elem = $("selected_prompt");
 551
 552         if (elem) {
 553                 elem.innerHTML = ngettext("%d article selected",
 554                                 "%d articles selected", count).replace("%d", count);
 555
 556                 if (count > 0)
 557                         Element.show(elem);
 558                 else
 559                         Element.hide(elem);
 560         }
 561
 562 }
 563
 564 function toggleUnread(id, cmode) {
 565         const row = $("RROW-" + id);
 566         if (row) {
 567                 const tmpClassName = row.className;
 568
 569                 if (cmode == undefined || cmode == 2) {
 570                         if (row.hasClassName("Unread")) {
 571                                 row.removeClassName("Unread");
 572
 573                         } else {
 574                                 row.addClassName("Unread");
 575                         }
 576
 577                 } else if (cmode == 0) {
 578
 579                         row.removeClassName("Unread");
 580
 581                 } else if (cmode == 1) {
 582                         row.addClassName("Unread");
 583                 }
 584
 585                 if (tmpClassName != row.className) {
 586             if (cmode == undefined) cmode = 2;
 587
 588             const query = {op: "rpc", method: "catchupSelected",
 589                 cmode: cmode, ids: id};
 590
 591             xhrPost("backend.php", query, (transport) => {
 592                                         handle_rpc_json(transport);
 593
 594                         });
 595                 }
 596         }
 597 }
 598
 599 function selectionRemoveLabel(id, ids) {
 600         if (!ids) ids = getSelectedArticleIds2();
 601
 602         if (ids.length == 0) {
 603                 alert(__("No articles are selected."));
 604                 return;
 605         }
 606
 607         const query = { op: "article", method: "removeFromLabel",
 608                 ids: ids.toString(), lid: id };
 609
 610         xhrPost("backend.php", query, (transport) => {
 611         handle_rpc_json(transport);
 612         show_labels_in_headlines(transport);
 613         });
 614 }
 615
 616 function selectionAssignLabel(id, ids) {
 617         if (!ids) ids = getSelectedArticleIds2();
 618
 619         if (ids.length == 0) {
 620                 alert(__("No articles are selected."));
 621                 return;
 622         }
 623
 624         const query = { op: "article", method: "assignToLabel",
 625                 ids: ids.toString(), lid: id };
 626
 627     xhrPost("backend.php", query, (transport) => {
 628         handle_rpc_json(transport);
 629         show_labels_in_headlines(transport);
 630     });
 631 }
 632
 633 function selectionToggleUnread(set_state, callback, no_error, ids) {
 634         const rows = ids ? ids : getSelectedArticleIds2();
 635
 636         if (rows.length == 0 && !no_error) {
 637                 alert(__("No articles are selected."));
 638                 return;
 639         }
 640
 641         for (let i = 0; i < rows.length; i++) {
 642                 const row = $("RROW-" + rows[i]);
 643                 if (row) {
 644                         if (set_state == undefined) {
 645                                 if (row.hasClassName("Unread")) {
 646                                         row.removeClassName("Unread");
 647                                 } else {
 648                                         row.addClassName("Unread");
 649                                 }
 650                         }
 651
 652                         if (set_state == false) {
 653                                 row.removeClassName("Unread");
 654                         }
 655
 656                         if (set_state == true) {
 657                                 row.addClassName("Unread");
 658                         }
 659                 }
 660         }
 661
 662         updateFloatingTitle(true);
 663
 664         if (rows.length > 0) {
 665
 666                 let cmode = "";
 667
 668                 if (set_state == undefined) {
 669                         cmode = "2";
 670                 } else if (set_state == true) {
 671                         cmode = "1";
 672                 } else if (set_state == false) {
 673                         cmode = "0";
 674                 }
 675
 676                 const query = {op: "rpc", method: "catchupSelected",
 677                         cmode: cmode, ids: rows.toString() };
 678
 679                 notify_progress("Loading, please wait...");
 680
 681         xhrPost("backend.php", query, (transport) => {
 682             handle_rpc_json(transport);
 683             if (callback) callback(transport);
 684         });
 685
 686         }
 687 }
 688
 689 // sel_state ignored
 690 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 691         const rows = ids ? ids : getSelectedArticleIds2();
 692
 693         if (rows.length == 0 && !no_error) {
 694                 alert(__("No articles are selected."));
 695                 return;
 696         }
 697
 698         for (let i = 0; i < rows.length; i++) {
 699                 toggleMark(rows[i], true, true);
 700         }
 701
 702         if (rows.length > 0) {
 703                 const query = { op: "rpc", method: "markSelected",
 704                         ids:  rows.toString(), cmode: 2 };
 705
 706         xhrPost("backend.php", query, (transport) => {
 707             handle_rpc_json(transport);
 708             if (callback) callback(transport);
 709         });
 710         }
 711 }
 712
 713 // sel_state ignored
 714 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 715         const rows = ids ? ids : getSelectedArticleIds2();
 716
 717         if (rows.length == 0 && !no_error) {
 718                 alert(__("No articles are selected."));
 719                 return;
 720         }
 721
 722         for (let i = 0; i < rows.length; i++) {
 723                 togglePub(rows[i], true, true);
 724         }
 725
 726         if (rows.length > 0) {
 727         const query = { op: "rpc", method: "publishSelected",
 728             ids:  rows.toString(), cmode: 2 };
 729
 730         xhrPost("backend.php", query, (transport) => {
 731             handle_rpc_json(transport);
 732             if (callback) callback(transport);
 733         });
 734         }
 735 }
 736
 737 function getSelectedArticleIds2() {
 738
 739         const rv = [];
 740
 741         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 742                 function(child) {
 743                         rv.push(child.getAttribute("data-article-id"));
 744                 });
 745
 746         return rv;
 747 }
 748
 749 function getLoadedArticleIds() {
 750         const rv = [];
 751
 752         const children = $$("#headlines-frame > div[id*=RROW-]");
 753
 754         children.each(function(child) {
 755                 if (Element.visible(child)) {
 756                         rv.push(child.getAttribute("data-article-id"));
 757                 }
 758         });
 759
 760         return rv;
 761
 762 }
 763
 764 // mode = all,none,unread,invert,marked,published
 765 function selectArticles(mode, query) {
 766         if (!query) query = "#headlines-frame > div[id*=RROW]";
 767
 768         const children = $$(query);
 769
 770         children.each(function(child) {
 771                 //const id = child.getAttribute("data-article-id");
 772
 773                 const cb = dijit.getEnclosingWidget(
 774                                 child.getElementsByClassName("rchk")[0]);
 775
 776                 if (mode == "all") {
 777                         child.addClassName("Selected");
 778                         if (cb) cb.attr("checked", true);
 779                 } else if (mode == "unread") {
 780                         if (child.hasClassName("Unread")) {
 781                                 child.addClassName("Selected");
 782                                 if (cb) cb.attr("checked", true);
 783                         } else {
 784                                 child.removeClassName("Selected");
 785                                 if (cb) cb.attr("checked", false);
 786                         }
 787                 } else if (mode == "marked") {
 788                         if (child.hasClassName("marked")) {
 789                                 child.addClassName("Selected");
 790                                 if (cb) cb.attr("checked", true);
 791                         } else {
 792                                 child.removeClassName("Selected");
 793                                 if (cb) cb.attr("checked", false);
 794                         }
 795                 } else if (mode == "published") {
 796                         if (child.hasClassName("published")) {
 797                                 child.addClassName("Selected");
 798                                 if (cb) cb.attr("checked", true);
 799                         } else {
 800                                 child.removeClassName("Selected");
 801                                 if (cb) cb.attr("checked", false);
 802                         }
 803
 804                 } else if (mode == "invert") {
 805                         if (child.hasClassName("Selected")) {
 806                                 child.removeClassName("Selected");
 807                                 if (cb) cb.attr("checked", false);
 808                         } else {
 809                                 child.addClassName("Selected");
 810                                 if (cb) cb.attr("checked", true);
 811                         }
 812
 813                 } else {
 814                         child.removeClassName("Selected");
 815                         if (cb) cb.attr("checked", false);
 816                 }
 817         });
 818
 819         updateSelectedPrompt();
 820 }
 821
 822 function deleteSelection() {
 823
 824         const rows = getSelectedArticleIds2();
 825
 826         if (rows.length == 0) {
 827                 alert(__("No articles are selected."));
 828                 return;
 829         }
 830
 831         const fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 832         let str;
 833
 834         if (getActiveFeedId() != 0) {
 835                 str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?", rows.length);
 836         } else {
 837                 str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
 838         }
 839
 840         str = str.replace("%d", rows.length);
 841         str = str.replace("%s", fn);
 842
 843         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 844                 return;
 845         }
 846
 847         const query = { op: "rpc", method: "delete", ids: rows.toString() };
 848
 849         xhrPost("backend.php", query, (transport) => {
 850         handle_rpc_json(transport);
 851         viewCurrentFeed();
 852         });
 853 }
 854
 855 function archiveSelection() {
 856
 857     const rows = getSelectedArticleIds2();
 858
 859     if (rows.length == 0) {
 860         alert(__("No articles are selected."));
 861         return;
 862     }
 863
 864     const fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 865     let str;
 866     let op;
 867
 868     if (getActiveFeedId() != 0) {
 869         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
 870         op = "archive";
 871     } else {
 872         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
 873
 874         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
 875
 876         op = "unarchive";
 877     }
 878
 879     str = str.replace("%d", rows.length);
 880     str = str.replace("%s", fn);
 881
 882     if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 883         return;
 884     }
 885
 886     for (let i = 0; i < rows.length; i++) {
 887         cache_delete("article:" + rows[i]);
 888     }
 889
 890     const query = {op: "rpc", method: op, ids: rows.toString()};
 891
 892     xhrPost("backend.php", query, (transport) => {
 893         handle_rpc_json(transport);
 894         viewCurrentFeed();
 895     });
 896 }
 897
 898 function catchupSelection() {
 899
 900         const rows = getSelectedArticleIds2();
 901
 902         if (rows.length == 0) {
 903                 alert(__("No articles are selected."));
 904                 return;
 905         }
 906
 907         const fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 908
 909         let str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
 910
 911         str = str.replace("%d", rows.length);
 912         str = str.replace("%s", fn);
 913
 914         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 915                 return;
 916         }
 917
 918         selectionToggleUnread(false, 'viewCurrentFeed()', true);
 919 }
 920
 921 function editArticleTags(id) {
 922         const query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
 923
 924         if (dijit.byId("editTagsDlg"))
 925                 dijit.byId("editTagsDlg").destroyRecursive();
 926
 927         const dialog = new dijit.Dialog({
 928                 id: "editTagsDlg",
 929                 title: __("Edit article Tags"),
 930                 style: "width: 600px",
 931                 execute: function() {
 932                         if (this.validate()) {
 933                                 const query = dojo.objectToQuery(this.attr('value'));
 934
 935                                 notify_progress("Saving article tags...", true);
 936
 937                                 xhrPost("backend.php", this.attr('value'), (transport) => {
 938                     try {
 939                         notify('');
 940                         dialog.hide();
 941
 942                         const data = JSON.parse(transport.responseText);
 943
 944                         if (data) {
 945                             const id = data.id;
 946
 947                             const tags = $("ATSTR-" + id);
 948                             const tooltip = dijit.byId("ATSTRTIP-" + id);
 949
 950                             if (tags) tags.innerHTML = data.content;
 951                             if (tooltip) tooltip.attr('label', data.content_full);
 952                         }
 953                     } catch (e) {
 954                         exception_error(e);
 955                     }
 956                                 });
 957                         }
 958                 },
 959                 href: query
 960         });
 961
 962         var tmph = dojo.connect(dialog, 'onLoad', function() {
 963                 dojo.disconnect(tmph);
 964
 965                 new Ajax.Autocompleter('tags_str', 'tags_choices',
 966                    "backend.php?op=article&method=completeTags",
 967                    { tokens: ',', paramName: "search" });
 968         });
 969
 970         dialog.show();
 971
 972 }
 973
 974 function cdmScrollToArticleId(id, force) {
 975         const ctr = $("headlines-frame");
 976         const e = $("RROW-" + id);
 977
 978         if (!e || !ctr) return;
 979
 980         if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
 981                         e.offsetTop < ctr.scrollTop) {
 982
 983                 // expanded cdm has a 4px margin now
 984                 ctr.scrollTop = parseInt(e.offsetTop) - 4;
 985         }
 986 }
 987
 988 function setActiveArticleId(id) {
 989         console.log("setActiveArticleId:" + id);
 990
 991         _active_article_id = id;
 992         PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
 993 }
 994
 995 function getActiveArticleId() {
 996         return _active_article_id;
 997 }
 998
 999 function postMouseIn(e, id) {
1000         post_under_pointer = id;
1001 }
1002
1003 function postMouseOut(id) {
1004         post_under_pointer = false;
1005 }
1006
1007 function unpackVisibleHeadlines() {
1008         if (!isCdmMode()) return;
1009
1010     $$("#headlines-frame div[id*=RROW][data-content]").each((row) => {
1011         //console.log('checking', row.id);
1012
1013         if (row.offsetTop <= $("headlines-frame").scrollTop + $("headlines-frame").offsetHeight) {
1014             console.log("unpacking: " + row.id);
1015
1016             let content;
1017
1018             try {
1019                 content = JSON.parse(row.getAttribute("data-content"));
1020             } catch (e) {
1021                 content = "Error decoding content: " + row.getAttribute("data-content");
1022                         }
1023
1024                         row.select(".cdmContentInner")[0].innerHTML = content;
1025             row.removeAttribute("data-content");
1026
1027             PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED_CDM, row);
1028                 } else {
1029                 throw $break;
1030                 }
1031     });
1032 }
1033
1034 function headlines_scroll_handler(e) {
1035         try {
1036
1037                 // rate-limit in case of smooth scrolling and similar abominations
1038                 if (Math.max(e.scrollTop, _headlines_scroll_offset) - Math.min(e.scrollTop, _headlines_scroll_offset) < 25) {
1039                         return;
1040                 }
1041
1042                 _headlines_scroll_offset = e.scrollTop;
1043
1044                 const hsp = $("headlines-spacer");
1045
1046                 unpackVisibleHeadlines();
1047
1048                 // set topmost child in the buffer as active
1049                 if (isCdmMode() && getInitParam("cdm_auto_catchup") == 1 &&
1050                                 getSelectedArticleIds2().length <= 1) {
1051
1052                         const rows = $$("#headlines-frame > div[id*=RROW]");
1053
1054                         for (let i = 0; i < rows.length; i++) {
1055                                 const child = rows[i];
1056
1057                                 if ($("headlines-frame").scrollTop <= child.offsetTop &&
1058                                         child.offsetTop - $("headlines-frame").scrollTop < 100 &&
1059                                         child.getAttribute("data-article-id") != _active_article_id) {
1060
1061                                         if (_active_article_id) {
1062                                                 const row = $("RROW-" + _active_article_id);
1063                                                 if (row) row.removeClassName("active");
1064                                         }
1065
1066                                         _active_article_id = child.getAttribute("data-article-id");
1067                                         showArticleInHeadlines(_active_article_id, true);
1068                                         updateSelectedPrompt();
1069                                         break;
1070                                 }
1071                         }
1072                 }
1073
1074                 if (!_infscroll_disable) {
1075                         if (hsp && hsp.offsetTop - 250 <= e.scrollTop + e.offsetHeight) {
1076
1077                                 hsp.innerHTML = "<span class='loading'><img src='images/indicator_tiny.gif'> " +
1078                                         __("Loading, please wait...") + "</span>";
1079
1080                                 loadMoreHeadlines();
1081                                 return;
1082
1083                         }
1084                 }
1085
1086                 if (isCdmMode()) {
1087                         updateFloatingTitle();
1088                 }
1089
1090                 catchupCurrentBatchIfNeeded();
1091
1092                 if (getInitParam("cdm_auto_catchup") == 1) {
1093
1094                         // let's get DOM some time to settle down
1095                         const ts = new Date().getTime();
1096                         if (ts - _last_headlines_update < 100) return;
1097
1098                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1099                                 function(child) {
1100                                         if ($("headlines-frame").scrollTop > (child.offsetTop + child.offsetHeight/2)) {
1101
1102                                                 const id = child.getAttribute("data-article-id")
1103
1104                                                 if (catchup_id_batch.indexOf(id) == -1)
1105                                                         catchup_id_batch.push(id);
1106
1107                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1108                                         }
1109
1110                                 });
1111
1112                         if (_infscroll_disable) {
1113                                 const child = $$("#headlines-frame div[id*=RROW]").last();
1114
1115                                 if (child && $("headlines-frame").scrollTop >
1116                                                 (child.offsetTop + child.offsetHeight - 50)) {
1117
1118                                         console.log("we seem to be at an end");
1119
1120                                         if (getInitParam("on_catchup_show_next_feed") == "1") {
1121                                                 openNextUnreadFeed();
1122                                         }
1123                                 }
1124                         }
1125                 }
1126
1127         } catch (e) {
1128                 console.warn("headlines_scroll_handler: " + e);
1129         }
1130 }
1131
1132 function openNextUnreadFeed() {
1133         const is_cat = activeFeedIsCat();
1134         const nuf = getNextUnreadFeed(getActiveFeedId(), is_cat);
1135         if (nuf) viewfeed({feed: nuf, is_cat: is_cat});
1136 }
1137
1138 function catchupBatchedArticles() {
1139         if (catchup_id_batch.length > 0 && !_infscroll_request_sent && !_catchup_request_sent) {
1140
1141                 console.log("catchupBatchedArticles: working");
1142
1143                 // make a copy of the array
1144                 const batch = catchup_id_batch.slice();
1145                 const query = { op: "rpc", method: "catchupSelected",
1146                         cmode: 0, ids: batch.toString() };
1147
1148                 _catchup_request_sent = true;
1149
1150                 xhrPost("backend.php", query, (transport) => {
1151             const reply = handle_rpc_json(transport);
1152
1153             _catchup_request_sent = false;
1154
1155             if (reply) {
1156                 const batch = reply.ids;
1157
1158                 batch.each(function (id) {
1159                     console.log(id);
1160                     const elem = $("RROW-" + id);
1161                     if (elem) elem.removeClassName("Unread");
1162                     catchup_id_batch.remove(id);
1163                 });
1164             }
1165
1166             updateFloatingTitle(true);
1167                 });
1168         }
1169 }
1170
1171 function catchupRelativeToArticle(below, id) {
1172
1173         if (!id) id = getActiveArticleId();
1174
1175         if (!id) {
1176                 alert(__("No article is selected."));
1177                 return;
1178         }
1179
1180         const visible_ids = getLoadedArticleIds();
1181
1182         const ids_to_mark = [];
1183
1184         if (!below) {
1185                 for (var i = 0; i < visible_ids.length; i++) {
1186                         if (visible_ids[i] != id) {
1187                                 var e = $("RROW-" + visible_ids[i]);
1188
1189                                 if (e && e.hasClassName("Unread")) {
1190                                         ids_to_mark.push(visible_ids[i]);
1191                                 }
1192                         } else {
1193                                 break;
1194                         }
1195                 }
1196         } else {
1197                 for (var i = visible_ids.length - 1; i >= 0; i--) {
1198                         if (visible_ids[i] != id) {
1199                                 var e = $("RROW-" + visible_ids[i]);
1200
1201                                 if (e && e.hasClassName("Unread")) {
1202                                         ids_to_mark.push(visible_ids[i]);
1203                                 }
1204                         } else {
1205                                 break;
1206                         }
1207                 }
1208         }
1209
1210         if (ids_to_mark.length == 0) {
1211                 alert(__("No articles found to mark"));
1212         } else {
1213                 const msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1214
1215                 if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1216
1217                         for (var i = 0; i < ids_to_mark.length; i++) {
1218                                 var e = $("RROW-" + ids_to_mark[i]);
1219                                 e.removeClassName("Unread");
1220                         }
1221
1222                         const query = { op: "rpc", method: "catchupSelected",
1223                                 cmode: 0, ids: ids_to_mark.toString() };
1224
1225                         xhrPost("backend.php", query, (transport) => {
1226                 handle_rpc_json(transport);
1227                         });
1228                 }
1229         }
1230 }
1231
1232 function getArticleUnderPointer() {
1233         return post_under_pointer;
1234 }
1235
1236 function scrollArticle(offset) {
1237         if (!isCdmMode()) {
1238                 const ci = $("content-insert");
1239                 if (ci) {
1240                         ci.scrollTop += offset;
1241                 }
1242         } else {
1243                 const hi = $("headlines-frame");
1244                 if (hi) {
1245                         hi.scrollTop += offset;
1246                 }
1247
1248         }
1249 }
1250
1251 function show_labels_in_headlines(transport) {
1252         const data = JSON.parse(transport.responseText);
1253
1254         if (data) {
1255                 data['info-for-headlines'].each(function (elem) {
1256                         $$(".HLLCTR-" + elem.id).each(function (ctr) {
1257                                 ctr.innerHTML = elem.labels;
1258                         });
1259                 });
1260         }
1261 }
1262
1263 function cdmClicked(event, id, in_body) {
1264         //var shift_key = event.shiftKey;
1265
1266         if (!event.ctrlKey && !event.metaKey) {
1267
1268                 let elem = $("RROW-" + getActiveArticleId());
1269
1270                 if (elem) elem.removeClassName("active");
1271
1272                 selectArticles("none");
1273                 toggleSelected(id);
1274
1275                 elem = $("RROW-" + id);
1276                 const article_is_unread = elem.hasClassName("Unread");
1277
1278                 elem.removeClassName("Unread");
1279                 elem.addClassName("active");
1280
1281                 setActiveArticleId(id);
1282
1283                 if (article_is_unread) {
1284                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1285                         updateFloatingTitle(true);
1286
1287                         const query = {
1288                                 op: "rpc", method: "catchupSelected",
1289                                 cmode: 0, ids: id
1290                         };
1291
1292                         xhrPost("backend.php", query, (transport) => {
1293                                 handle_rpc_json(transport);
1294                         });
1295                 }
1296
1297                 return !event.shiftKey;
1298
1299         } else if (!in_body) {
1300
1301                 toggleSelected(id, true);
1302
1303                 let elem = $("RROW-" + id);
1304                 const article_is_unread = elem.hasClassName("Unread");
1305
1306                 if (article_is_unread) {
1307                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1308                 }
1309
1310                 toggleUnread(id, 0, false);
1311
1312                 openArticleInNewWindow(id);
1313         } else {
1314                 return true;
1315         }
1316
1317         const unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1318         request_counters(unread_in_buffer == 0);
1319
1320         return false;
1321 }
1322
1323 function hlClicked(event, id) {
1324         if (event.which == 2) {
1325                 view(id);
1326                 return true;
1327         } else if (event.ctrlKey || event.metaKey) {
1328                 openArticleInNewWindow(id);
1329                 return false;
1330         } else {
1331                 view(id);
1332                 return false;
1333         }
1334 }
1335
1336 function openArticleInNewWindow(id) {
1337         toggleUnread(id, 0, false);
1338
1339         const w = window.open("");
1340         w.opener = null;
1341         w.location = "backend.php?op=article&method=redirect&id=" + id;
1342 }
1343
1344 function isCdmMode() {
1345         return getInitParam("combined_display_mode");
1346 }
1347
1348 function markHeadline(id, marked) {
1349         if (marked == undefined) marked = true;
1350
1351         const row = $("RROW-" + id);
1352         if (row) {
1353                 const check = dijit.getEnclosingWidget(
1354                                 row.getElementsByClassName("rchk")[0]);
1355
1356                 if (check) {
1357                         check.attr("checked", marked);
1358                 }
1359
1360                 if (marked)
1361                         row.addClassName("Selected");
1362                 else
1363                         row.removeClassName("Selected");
1364         }
1365 }
1366
1367 function getRelativePostIds(id, limit) {
1368
1369         const tmp = [];
1370
1371         if (!limit) limit = 6; //3
1372
1373         const ids = getLoadedArticleIds();
1374
1375         for (let i = 0; i < ids.length; i++) {
1376                 if (ids[i] == id) {
1377                         for (let k = 1; k <= limit; k++) {
1378                                 //if (i > k-1) tmp.push(ids[i-k]);
1379                                 if (i < ids.length - k) tmp.push(ids[i + k]);
1380                         }
1381                         break;
1382                 }
1383         }
1384
1385         return tmp;
1386 }
1387
1388 function correctHeadlinesOffset(id) {
1389
1390         const container = $("headlines-frame");
1391         const row = $("RROW-" + id);
1392
1393         if (!container || !row) return;
1394
1395         const viewport = container.offsetHeight;
1396
1397         const rel_offset_top = row.offsetTop - container.scrollTop;
1398         const rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1399
1400         //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1401         //console.log("Vport: " + viewport);
1402
1403         if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1404                 container.scrollTop = row.offsetTop;
1405         } else if (rel_offset_bottom > viewport) {
1406
1407                 /* doesn't properly work with Opera in some cases because
1408                  Opera fucks up element scrolling */
1409
1410                 container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1411         }
1412 }
1413
1414 function headlineActionsChange(elem) {
1415         eval(elem.value);
1416         elem.attr('value', 'false');
1417 }
1418
1419 function closeArticlePanel() {
1420
1421         if (dijit.byId("content-insert"))
1422                 dijit.byId("headlines-wrap-inner").removeChild(
1423                         dijit.byId("content-insert"));
1424 }
1425
1426 function initFloatingMenu() {
1427         if (!dijit.byId("floatingMenu")) {
1428
1429                 const menu = new dijit.Menu({
1430                         id: "floatingMenu",
1431                         targetNodeIds: ["floatingTitle"]
1432                 });
1433
1434                 headlinesMenuCommon(menu);
1435
1436                 menu.startup();
1437         }
1438 }
1439
1440 function headlinesMenuCommon(menu) {
1441
1442         menu.addChild(new dijit.MenuItem({
1443                 label: __("Open original article"),
1444                 onClick: function (event) {
1445                         openArticleInNewWindow(this.getParent().currentTarget.getAttribute("data-article-id"));
1446                 }
1447         }));
1448
1449         menu.addChild(new dijit.MenuItem({
1450                 label: __("Display article URL"),
1451                 onClick: function (event) {
1452                         displayArticleUrl(this.getParent().currentTarget.getAttribute("data-article-id"));
1453                 }
1454         }));
1455
1456         menu.addChild(new dijit.MenuSeparator());
1457
1458         menu.addChild(new dijit.MenuItem({
1459                 label: __("Toggle unread"),
1460                 onClick: function () {
1461
1462                         let ids = getSelectedArticleIds2();
1463                         // cast to string
1464                         const id = (this.getParent().currentTarget.getAttribute("data-article-id")) + "";
1465                         ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
1466
1467                         selectionToggleUnread(undefined, false, true, ids);
1468                 }
1469         }));
1470
1471         menu.addChild(new dijit.MenuItem({
1472                 label: __("Toggle starred"),
1473                 onClick: function () {
1474                         let ids = getSelectedArticleIds2();
1475                         // cast to string
1476                         const id = (this.getParent().currentTarget.getAttribute("data-article-id")) + "";
1477                         ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
1478
1479                         selectionToggleMarked(undefined, false, true, ids);
1480                 }
1481         }));
1482
1483         menu.addChild(new dijit.MenuItem({
1484                 label: __("Toggle published"),
1485                 onClick: function () {
1486                         let ids = getSelectedArticleIds2();
1487                         // cast to string
1488                         const id = (this.getParent().currentTarget.getAttribute("data-article-id")) + "";
1489                         ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
1490
1491                         selectionTogglePublished(undefined, false, true, ids);
1492                 }
1493         }));
1494
1495         menu.addChild(new dijit.MenuSeparator());
1496
1497         menu.addChild(new dijit.MenuItem({
1498                 label: __("Mark above as read"),
1499                 onClick: function () {
1500                         catchupRelativeToArticle(0, this.getParent().currentTarget.getAttribute("data-article-id"));
1501                 }
1502         }));
1503
1504         menu.addChild(new dijit.MenuItem({
1505                 label: __("Mark below as read"),
1506                 onClick: function () {
1507                         catchupRelativeToArticle(1, this.getParent().currentTarget.getAttribute("data-article-id"));
1508                 }
1509         }));
1510
1511
1512         const labels = getInitParam("labels");
1513
1514         if (labels && labels.length) {
1515
1516                 menu.addChild(new dijit.MenuSeparator());
1517
1518                 const labelAddMenu = new dijit.Menu({ownerMenu: menu});
1519                 const labelDelMenu = new dijit.Menu({ownerMenu: menu});
1520
1521                 labels.each(function (label) {
1522                         const bare_id = label.id;
1523                         const name = label.caption;
1524
1525                         labelAddMenu.addChild(new dijit.MenuItem({
1526                                 label: name,
1527                                 labelId: bare_id,
1528                                 onClick: function () {
1529
1530                                         let ids = getSelectedArticleIds2();
1531                                         // cast to string
1532                                         const id = (this.getParent().ownerMenu.currentTarget.getAttribute("data-article-id")) + "";
1533
1534                                         ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
1535
1536                                         selectionAssignLabel(this.labelId, ids);
1537                                 }
1538                         }));
1539
1540                         labelDelMenu.addChild(new dijit.MenuItem({
1541                                 label: name,
1542                                 labelId: bare_id,
1543                                 onClick: function () {
1544                                         let ids = getSelectedArticleIds2();
1545                                         // cast to string
1546                                         const id = (this.getParent().ownerMenu.currentTarget.getAttribute("data-article-id")) + "";
1547
1548                                         ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
1549
1550                                         selectionRemoveLabel(this.labelId, ids);
1551                                 }
1552                         }));
1553
1554                 });
1555
1556                 menu.addChild(new dijit.PopupMenuItem({
1557                         label: __("Assign label"),
1558                         popup: labelAddMenu
1559                 }));
1560
1561                 menu.addChild(new dijit.PopupMenuItem({
1562                         label: __("Remove label"),
1563                         popup: labelDelMenu
1564                 }));
1565
1566         }
1567 }
1568
1569 function initHeadlinesMenu() {
1570         if (!dijit.byId("headlinesMenu")) {
1571
1572                 const menu = new dijit.Menu({
1573                         id: "headlinesMenu",
1574                         targetNodeIds: ["headlines-frame"],
1575                         selector: ".hlMenuAttach"
1576                 });
1577
1578                 headlinesMenuCommon(menu);
1579
1580                 menu.startup();
1581         }
1582
1583         /* vgroup feed title menu */
1584
1585         if (!dijit.byId("headlinesFeedTitleMenu")) {
1586
1587                 const menu = new dijit.Menu({
1588                         id: "headlinesFeedTitleMenu",
1589                         targetNodeIds: ["headlines-frame"],
1590                         selector: "div.cdmFeedTitle"
1591                 });
1592
1593                 menu.addChild(new dijit.MenuItem({
1594                         label: __("Select articles in group"),
1595                         onClick: function (event) {
1596                                 selectArticles("all",
1597                                         "#headlines-frame > div[id*=RROW]" +
1598                                         "[data-orig-feed-id='" + this.getParent().currentTarget.getAttribute("data-feed-id") + "']");
1599
1600                         }
1601                 }));
1602
1603                 menu.addChild(new dijit.MenuItem({
1604                         label: __("Mark group as read"),
1605                         onClick: function () {
1606                                 selectArticles("none");
1607                                 selectArticles("all",
1608                                         "#headlines-frame > div[id*=RROW]" +
1609                                         "[data-orig-feed-id='" + this.getParent().currentTarget.getAttribute("data-feed-id") + "']");
1610
1611                                 catchupSelection();
1612                         }
1613                 }));
1614
1615                 menu.addChild(new dijit.MenuItem({
1616                         label: __("Mark feed as read"),
1617                         onClick: function () {
1618                                 catchupFeedInGroup(this.getParent().currentTarget.getAttribute("data-feed-id"));
1619                         }
1620                 }));
1621
1622                 menu.addChild(new dijit.MenuItem({
1623                         label: __("Edit feed"),
1624                         onClick: function () {
1625                                 editFeed(this.getParent().currentTarget.getAttribute("data-feed-id"));
1626                         }
1627                 }));
1628
1629                 menu.startup();
1630         }
1631 }
1632
1633 function cache_set(id, obj) {
1634         //console.log("cache_set: " + id);
1635         if (has_storage)
1636                 try {
1637                         sessionStorage[id] = obj;
1638                 } catch (e) {
1639                         sessionStorage.clear();
1640                 }
1641 }
1642
1643 function cache_get(id) {
1644         if (has_storage)
1645                 return sessionStorage[id];
1646 }
1647
1648 function cache_clear() {
1649         if (has_storage)
1650                 sessionStorage.clear();
1651 }
1652
1653 function cache_delete(id) {
1654         if (has_storage)
1655                 sessionStorage.removeItem(id);
1656 }
1657
1658 function cancelSearch() {
1659         _search_query = "";
1660         viewCurrentFeed();
1661 }
1662
1663 function setSelectionScore() {
1664         const ids = getSelectedArticleIds2();
1665
1666         if (ids.length > 0) {
1667                 console.log(ids);
1668
1669                 const score = prompt(__("Please enter new score for selected articles:"));
1670
1671                 if (score != undefined) {
1672                         const query = { op: "article", method: "setScore", id: ids.toString(),
1673                                 score: score };
1674
1675                         xhrJson("backend.php", query, (reply) => {
1676                                 if (reply) {
1677                     reply.id.each((id) => {
1678                         const row = $("RROW-" + id);
1679
1680                         if (row) {
1681                             const pic = row.getElementsByClassName("hlScorePic")[0];
1682
1683                             if (pic) {
1684                                 pic.src = pic.src.replace(/score_.*?\.png/,
1685                                     reply["score_pic"]);
1686                                 pic.setAttribute("score", reply["score"]);
1687                             }
1688                         }
1689                     });
1690                 }
1691                         });
1692                 }
1693
1694         } else {
1695                 alert(__("No articles are selected."));
1696         }
1697 }
1698
1699 /*
1700 function updateScore(id) {
1701         const pic = $$("#RROW-" + id + " .hlScorePic")[0];
1702
1703         if (pic) {
1704
1705                 const query = "op=article&method=getScore&id=" + param_escape(id);
1706
1707                 new Ajax.Request("backend.php", {
1708                         parameters: query,
1709                         onComplete: function (transport) {
1710                                 console.log(transport.responseText);
1711
1712                                 const reply = JSON.parse(transport.responseText);
1713
1714                                 if (reply) {
1715                                         pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
1716                                         pic.setAttribute("score", reply["score"]);
1717                                         pic.setAttribute("title", reply["score"]);
1718                                 }
1719                         }
1720                 });
1721         }
1722 } */
1723
1724 function changeScore(id, pic) {
1725         const score = pic.getAttribute("score");
1726
1727         const new_score = prompt(__("Please enter new score for this article:"), score);
1728
1729         if (new_score != undefined) {
1730                 const query = { op: "article", method: "setScore", id: id, score: new_score };
1731
1732                 xhrJson("backend.php", query, (reply) => {
1733             if (reply) {
1734                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
1735                 pic.setAttribute("score", new_score);
1736                 pic.setAttribute("title", new_score);
1737             }
1738                 });
1739         }
1740 }
1741
1742 function displayArticleUrl(id) {
1743         const query = { op: "rpc", method: "getlinktitlebyid", id: id };
1744
1745         xhrJson("backend.php", query, (reply) => {
1746         if (reply && reply.link) {
1747             prompt(__("Article URL:"), reply.link);
1748         }
1749         });
1750
1751 }
1752
1753 function scrollToRowId(id) {
1754         const row = $(id);
1755
1756         if (row)
1757                 $("headlines-frame").scrollTop = row.offsetTop - 4;
1758 }
1759
1760 function updateFloatingTitle(unread_only) {
1761         if (!isCdmMode()) return;
1762
1763         const hf = $("headlines-frame");
1764
1765         const elems = $$("#headlines-frame > div[id*=RROW]");
1766
1767         for (let i = 0; i < elems.length; i++) {
1768
1769                 const child = elems[i];
1770
1771                 if (child && child.offsetTop + child.offsetHeight > hf.scrollTop) {
1772
1773                         const header = child.getElementsByClassName("cdmHeader")[0];
1774
1775                         if (unread_only || child.getAttribute("data-article-id") != $("floatingTitle").getAttribute("data-article-id")) {
1776                                 if (child.getAttribute("data-article-id") != $("floatingTitle").getAttribute("data-article-id")) {
1777
1778                                         $("floatingTitle").setAttribute("data-article-id", child.getAttribute("data-article-id"));
1779                                         $("floatingTitle").innerHTML = header.innerHTML;
1780                                         $("floatingTitle").firstChild.innerHTML = "<img class='anchor markedPic' src='images/page_white_go.png' onclick=\"scrollToRowId('" + child.id + "')\">" + $("floatingTitle").firstChild.innerHTML;
1781
1782                                         initFloatingMenu();
1783
1784                                         const cb = $$("#floatingTitle .dijitCheckBox")[0];
1785
1786                                         if (cb)
1787                                                 cb.parentNode.removeChild(cb);
1788                                 }
1789
1790                                 if (child.hasClassName("Unread"))
1791                                         $("floatingTitle").addClassName("Unread");
1792                                 else
1793                                         $("floatingTitle").removeClassName("Unread");
1794
1795                                 PluginHost.run(PluginHost.HOOK_FLOATING_TITLE, child);
1796                         }
1797
1798                         $("floatingTitle").style.marginRight = hf.offsetWidth - child.offsetWidth + "px";
1799                         if (header.offsetTop + header.offsetHeight < hf.scrollTop + $("floatingTitle").offsetHeight - 5 &&
1800                                 child.offsetTop + child.offsetHeight >= hf.scrollTop + $("floatingTitle").offsetHeight - 5)
1801                                 $("floatingTitle").style.visibility = "visible";
1802                         else
1803                                 $("floatingTitle").style.visibility = "hidden";
1804
1805                         return;
1806
1807                 }
1808         }
1809 }
1810
1811 function catchupCurrentBatchIfNeeded() {
1812         if (catchup_id_batch.length > 0) {
1813                 window.clearTimeout(catchup_timeout_id);
1814                 catchup_timeout_id = window.setTimeout(catchupBatchedArticles, 1000);
1815
1816                 if (catchup_id_batch.length >= 10) {
1817                         catchupBatchedArticles();
1818                 }
1819         }
1820 }