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                                 }
 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                 setActiveArticleId(id);
 987
 988                 // article is selected manually, set it read
 989                 toggleUnread(id, 0);1
 990         }
 991 }
 992
 993 function setActiveArticleId(id) {
 994         console.log("setActiveArticleId:" + id);
 995
 996         _active_article_id = id;
 997         PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
 998 }
 999
1000 function getActiveArticleId() {
1001         return _active_article_id;
1002 }
1003
1004 function postMouseIn(e, id) {
1005         post_under_pointer = id;
1006 }
1007
1008 function postMouseOut(id) {
1009         post_under_pointer = false;
1010 }
1011
1012 function unpackVisibleHeadlines() {
1013         if (!isCdmMode()) return;
1014
1015         const rows = $$("#headlines-frame div[id*=RROW][data-content]");
1016         const threshold = $("headlines-frame").scrollTop + $("headlines-frame").offsetHeight + 300;
1017
1018         for (let i = 0; i < rows.length; i++) {
1019                 const row = rows[i];
1020
1021                 if (row.offsetTop <= threshold) {
1022                         console.log("unpacking: " + row.id);
1023
1024                         const content = row.getAttribute("data-content");
1025
1026                         row.select(".content-inner")[0].innerHTML = content;
1027                         row.removeAttribute("data-content");
1028
1029                         PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED_CDM, row);
1030                 } else {
1031                         break;
1032                 }
1033         }
1034 }
1035
1036 function headlines_scroll_handler(e) {
1037         try {
1038
1039                 // rate-limit in case of smooth scrolling and similar abominations
1040                 if (Math.max(e.scrollTop, _headlines_scroll_offset) - Math.min(e.scrollTop, _headlines_scroll_offset) < 25) {
1041                         return;
1042                 }
1043
1044                 _headlines_scroll_offset = e.scrollTop;
1045
1046                 unpackVisibleHeadlines();
1047
1048                 // set topmost child in the buffer as active
1049                 if (isCdmMode() && getInitParam("cdm_auto_catchup") == 1 &&
1050                                 getSelectedArticleIds2().length <= 1) {
1051
1052                         const rows = $$("#headlines-frame > div[id*=RROW]");
1053
1054                         for (let i = 0; i < rows.length; i++) {
1055                                 const row = rows[i];
1056
1057                                 if ($("headlines-frame").scrollTop <= row.offsetTop &&
1058                                         row.offsetTop - $("headlines-frame").scrollTop < 100 &&
1059                                         row.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 = row.getAttribute("data-article-id");
1067                                         showArticleInHeadlines(_active_article_id, true);
1068                                         updateSelectedPrompt();
1069                                         break;
1070                                 }
1071                         }
1072                 }
1073
1074                 if (!_infscroll_disable) {
1075                         const hsp = $("headlines-spacer");
1076
1077                         if (hsp && hsp.offsetTop - 250 <= e.scrollTop + e.offsetHeight) {
1078
1079                                 hsp.innerHTML = "<span class='loading'><img src='images/indicator_tiny.gif'> " +
1080                                         __("Loading, please wait...") + "</span>";
1081
1082                                 loadMoreHeadlines();
1083                                 return;
1084
1085                         }
1086                 }
1087
1088                 if (isCdmMode()) {
1089                         updateFloatingTitle();
1090                 }
1091
1092                 if (getInitParam("cdm_auto_catchup") == 1) {
1093
1094                         let rows = $$("#headlines-frame > div[id*=RROW][class*=Unread]");
1095
1096                         for (let i = 0; i < rows.length; i++) {
1097                                 const row = rows[i];
1098
1099                                 if ($("headlines-frame").scrollTop > (row.offsetTop + row.offsetHeight/2)) {
1100
1101                                         const id = row.getAttribute("data-article-id")
1102
1103                                         if (catchup_id_batch.indexOf(id) == -1)
1104                                                 catchup_id_batch.push(id);
1105
1106                                         //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1107                                 } else {
1108                                         break;
1109                                 }
1110                         }
1111
1112                         if (_infscroll_disable) {
1113                                 const row = $$("#headlines-frame div[id*=RROW]").last();
1114
1115                                 if (row && $("headlines-frame").scrollTop >
1116                                                 (row.offsetTop + row.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, size=", catchup_id_batch.length);
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                                         const elem = $("RROW-" + id);
1160                                         if (elem) elem.removeClassName("Unread");
1161                                         catchup_id_batch.remove(id);
1162                                 });
1163                         }
1164
1165                         updateFloatingTitle(true);
1166                 });
1167         }
1168 }
1169
1170 function catchupRelativeToArticle(below, id) {
1171
1172         if (!id) id = getActiveArticleId();
1173
1174         if (!id) {
1175                 alert(__("No article is selected."));
1176                 return;
1177         }
1178
1179         const visible_ids = getLoadedArticleIds();
1180
1181         const ids_to_mark = [];
1182
1183         if (!below) {
1184                 for (var i = 0; i < visible_ids.length; i++) {
1185                         if (visible_ids[i] != id) {
1186                                 var e = $("RROW-" + visible_ids[i]);
1187
1188                                 if (e && e.hasClassName("Unread")) {
1189                                         ids_to_mark.push(visible_ids[i]);
1190                                 }
1191                         } else {
1192                                 break;
1193                         }
1194                 }
1195         } else {
1196                 for (var i = visible_ids.length - 1; i >= 0; i--) {
1197                         if (visible_ids[i] != id) {
1198                                 var e = $("RROW-" + visible_ids[i]);
1199
1200                                 if (e && e.hasClassName("Unread")) {
1201                                         ids_to_mark.push(visible_ids[i]);
1202                                 }
1203                         } else {
1204                                 break;
1205                         }
1206                 }
1207         }
1208
1209         if (ids_to_mark.length == 0) {
1210                 alert(__("No articles found to mark"));
1211         } else {
1212                 const msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1213
1214                 if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1215
1216                         for (var i = 0; i < ids_to_mark.length; i++) {
1217                                 var e = $("RROW-" + ids_to_mark[i]);
1218                                 e.removeClassName("Unread");
1219                         }
1220
1221                         const query = { op: "rpc", method: "catchupSelected",
1222                                 cmode: 0, ids: ids_to_mark.toString() };
1223
1224                         xhrPost("backend.php", query, (transport) => {
1225                                 handle_rpc_json(transport);
1226                         });
1227                 }
1228         }
1229 }
1230
1231 function getArticleUnderPointer() {
1232         return post_under_pointer;
1233 }
1234
1235 function scrollArticle(offset) {
1236         if (!isCdmMode()) {
1237                 const ci = $("content-insert");
1238                 if (ci) {
1239                         ci.scrollTop += offset;
1240                 }
1241         } else {
1242                 const hi = $("headlines-frame");
1243                 if (hi) {
1244                         hi.scrollTop += offset;
1245                 }
1246
1247         }
1248 }
1249
1250 function show_labels_in_headlines(transport) {
1251         const data = JSON.parse(transport.responseText);
1252
1253         if (data) {
1254                 data['info-for-headlines'].each(function (elem) {
1255                         $$(".HLLCTR-" + elem.id).each(function (ctr) {
1256                                 ctr.innerHTML = elem.labels;
1257                         });
1258                 });
1259         }
1260 }
1261
1262 function cdmClicked(event, id, in_body) {
1263         //var shift_key = event.shiftKey;
1264
1265         if (!event.ctrlKey && !event.metaKey) {
1266
1267                 let elem = $("RROW-" + getActiveArticleId());
1268
1269                 if (elem) elem.removeClassName("active");
1270
1271                 selectArticles("none");
1272                 toggleSelected(id);
1273
1274                 elem = $("RROW-" + id);
1275                 const article_is_unread = elem.hasClassName("Unread");
1276
1277                 elem.removeClassName("Unread");
1278                 elem.addClassName("active");
1279
1280                 setActiveArticleId(id);
1281
1282                 if (article_is_unread) {
1283                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1284                         updateFloatingTitle(true);
1285
1286                         const query = {
1287                                 op: "rpc", method: "catchupSelected",
1288                                 cmode: 0, ids: id
1289                         };
1290
1291                         xhrPost("backend.php", query, (transport) => {
1292                                 handle_rpc_json(transport);
1293                         });
1294                 }
1295
1296                 return !event.shiftKey;
1297
1298         } else if (!in_body) {
1299
1300                 toggleSelected(id, true);
1301
1302                 let elem = $("RROW-" + id);
1303                 const article_is_unread = elem.hasClassName("Unread");
1304
1305                 if (article_is_unread) {
1306                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1307                 }
1308
1309                 toggleUnread(id, 0, false);
1310
1311                 openArticleInNewWindow(id);
1312         } else {
1313                 return true;
1314         }
1315
1316         const unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1317         request_counters(unread_in_buffer == 0);
1318
1319         return false;
1320 }
1321
1322 function hlClicked(event, id) {
1323         if (event.which == 2) {
1324                 view(id);
1325                 return true;
1326         } else if (event.ctrlKey || event.metaKey) {
1327                 openArticleInNewWindow(id);
1328                 return false;
1329         } else {
1330                 view(id);
1331                 return false;
1332         }
1333 }
1334
1335 function openArticleInNewWindow(id) {
1336         toggleUnread(id, 0, false);
1337
1338         const w = window.open("");
1339         w.opener = null;
1340         w.location = "backend.php?op=article&method=redirect&id=" + id;
1341 }
1342
1343 function isCdmMode() {
1344         return getInitParam("combined_display_mode");
1345 }
1346
1347 function markHeadline(id, marked) {
1348         if (marked == undefined) marked = true;
1349
1350         const row = $("RROW-" + id);
1351         if (row) {
1352                 const check = dijit.getEnclosingWidget(
1353                                 row.getElementsByClassName("rchk")[0]);
1354
1355                 if (check) {
1356                         check.attr("checked", marked);
1357                 }
1358
1359                 if (marked)
1360                         row.addClassName("Selected");
1361                 else
1362                         row.removeClassName("Selected");
1363         }
1364 }
1365
1366 function getRelativePostIds(id, limit) {
1367
1368         const tmp = [];
1369
1370         if (!limit) limit = 6; //3
1371
1372         const ids = getLoadedArticleIds();
1373
1374         for (let i = 0; i < ids.length; i++) {
1375                 if (ids[i] == id) {
1376                         for (let k = 1; k <= limit; k++) {
1377                                 //if (i > k-1) tmp.push(ids[i-k]);
1378                                 if (i < ids.length - k) tmp.push(ids[i + k]);
1379                         }
1380                         break;
1381                 }
1382         }
1383
1384         return tmp;
1385 }
1386
1387 function correctHeadlinesOffset(id) {
1388
1389         const container = $("headlines-frame");
1390         const row = $("RROW-" + id);
1391
1392         if (!container || !row) return;
1393
1394         const viewport = container.offsetHeight;
1395
1396         const rel_offset_top = row.offsetTop - container.scrollTop;
1397         const rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1398
1399         //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1400         //console.log("Vport: " + viewport);
1401
1402         if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1403                 container.scrollTop = row.offsetTop;
1404         } else if (rel_offset_bottom > viewport) {
1405
1406                 /* doesn't properly work with Opera in some cases because
1407                  Opera fucks up element scrolling */
1408
1409                 container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1410         }
1411 }
1412
1413 function headlineActionsChange(elem) {
1414         eval(elem.value);
1415         elem.attr('value', 'false');
1416 }
1417
1418 function closeArticlePanel() {
1419
1420         if (dijit.byId("content-insert"))
1421                 dijit.byId("headlines-wrap-inner").removeChild(
1422                         dijit.byId("content-insert"));
1423 }
1424
1425 function initFloatingMenu() {
1426         if (!dijit.byId("floatingMenu")) {
1427
1428                 const menu = new dijit.Menu({
1429                         id: "floatingMenu",
1430                         targetNodeIds: ["floatingTitle"]
1431                 });
1432
1433                 headlinesMenuCommon(menu);
1434
1435                 menu.startup();
1436         }
1437 }
1438
1439 function headlinesMenuCommon(menu) {
1440
1441         menu.addChild(new dijit.MenuItem({
1442                 label: __("Open original article"),
1443                 onClick: function (event) {
1444                         openArticleInNewWindow(this.getParent().currentTarget.getAttribute("data-article-id"));
1445                 }
1446         }));
1447
1448         menu.addChild(new dijit.MenuItem({
1449                 label: __("Display article URL"),
1450                 onClick: function (event) {
1451                         displayArticleUrl(this.getParent().currentTarget.getAttribute("data-article-id"));
1452                 }
1453         }));
1454
1455         menu.addChild(new dijit.MenuSeparator());
1456
1457         menu.addChild(new dijit.MenuItem({
1458                 label: __("Toggle unread"),
1459                 onClick: function () {
1460
1461                         let ids = getSelectedArticleIds2();
1462                         // cast to string
1463                         const id = (this.getParent().currentTarget.getAttribute("data-article-id")) + "";
1464                         ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
1465
1466                         selectionToggleUnread(undefined, false, true, ids);
1467                 }
1468         }));
1469
1470         menu.addChild(new dijit.MenuItem({
1471                 label: __("Toggle starred"),
1472                 onClick: function () {
1473                         let ids = getSelectedArticleIds2();
1474                         // cast to string
1475                         const id = (this.getParent().currentTarget.getAttribute("data-article-id")) + "";
1476                         ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
1477
1478                         selectionToggleMarked(undefined, false, true, ids);
1479                 }
1480         }));
1481
1482         menu.addChild(new dijit.MenuItem({
1483                 label: __("Toggle published"),
1484                 onClick: function () {
1485                         let ids = getSelectedArticleIds2();
1486                         // cast to string
1487                         const id = (this.getParent().currentTarget.getAttribute("data-article-id")) + "";
1488                         ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
1489
1490                         selectionTogglePublished(undefined, false, true, ids);
1491                 }
1492         }));
1493
1494         menu.addChild(new dijit.MenuSeparator());
1495
1496         menu.addChild(new dijit.MenuItem({
1497                 label: __("Mark above as read"),
1498                 onClick: function () {
1499                         catchupRelativeToArticle(0, this.getParent().currentTarget.getAttribute("data-article-id"));
1500                 }
1501         }));
1502
1503         menu.addChild(new dijit.MenuItem({
1504                 label: __("Mark below as read"),
1505                 onClick: function () {
1506                         catchupRelativeToArticle(1, this.getParent().currentTarget.getAttribute("data-article-id"));
1507                 }
1508         }));
1509
1510
1511         const labels = getInitParam("labels");
1512
1513         if (labels && labels.length) {
1514
1515                 menu.addChild(new dijit.MenuSeparator());
1516
1517                 const labelAddMenu = new dijit.Menu({ownerMenu: menu});
1518                 const labelDelMenu = new dijit.Menu({ownerMenu: menu});
1519
1520                 labels.each(function (label) {
1521                         const bare_id = label.id;
1522                         const name = label.caption;
1523
1524                         labelAddMenu.addChild(new dijit.MenuItem({
1525                                 label: name,
1526                                 labelId: bare_id,
1527                                 onClick: function () {
1528
1529                                         let ids = getSelectedArticleIds2();
1530                                         // cast to string
1531                                         const id = (this.getParent().ownerMenu.currentTarget.getAttribute("data-article-id")) + "";
1532
1533                                         ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
1534
1535                                         selectionAssignLabel(this.labelId, ids);
1536                                 }
1537                         }));
1538
1539                         labelDelMenu.addChild(new dijit.MenuItem({
1540                                 label: name,
1541                                 labelId: bare_id,
1542                                 onClick: function () {
1543                                         let ids = getSelectedArticleIds2();
1544                                         // cast to string
1545                                         const id = (this.getParent().ownerMenu.currentTarget.getAttribute("data-article-id")) + "";
1546
1547                                         ids = ids.length != 0 && ids.indexOf(id) != -1 ? ids : [id];
1548
1549                                         selectionRemoveLabel(this.labelId, ids);
1550                                 }
1551                         }));
1552
1553                 });
1554
1555                 menu.addChild(new dijit.PopupMenuItem({
1556                         label: __("Assign label"),
1557                         popup: labelAddMenu
1558                 }));
1559
1560                 menu.addChild(new dijit.PopupMenuItem({
1561                         label: __("Remove label"),
1562                         popup: labelDelMenu
1563                 }));
1564
1565         }
1566 }
1567
1568 function initHeadlinesMenu() {
1569         if (!dijit.byId("headlinesMenu")) {
1570
1571                 const menu = new dijit.Menu({
1572                         id: "headlinesMenu",
1573                         targetNodeIds: ["headlines-frame"],
1574                         selector: ".hlMenuAttach"
1575                 });
1576
1577                 headlinesMenuCommon(menu);
1578
1579                 menu.startup();
1580         }
1581
1582         /* vgroup feed title menu */
1583
1584         if (!dijit.byId("headlinesFeedTitleMenu")) {
1585
1586                 const menu = new dijit.Menu({
1587                         id: "headlinesFeedTitleMenu",
1588                         targetNodeIds: ["headlines-frame"],
1589                         selector: "div.cdmFeedTitle"
1590                 });
1591
1592                 menu.addChild(new dijit.MenuItem({
1593                         label: __("Select articles in group"),
1594                         onClick: function (event) {
1595                                 selectArticles("all",
1596                                         "#headlines-frame > div[id*=RROW]" +
1597                                         "[data-orig-feed-id='" + this.getParent().currentTarget.getAttribute("data-feed-id") + "']");
1598
1599                         }
1600                 }));
1601
1602                 menu.addChild(new dijit.MenuItem({
1603                         label: __("Mark group as read"),
1604                         onClick: function () {
1605                                 selectArticles("none");
1606                                 selectArticles("all",
1607                                         "#headlines-frame > div[id*=RROW]" +
1608                                         "[data-orig-feed-id='" + this.getParent().currentTarget.getAttribute("data-feed-id") + "']");
1609
1610                                 catchupSelection();
1611                         }
1612                 }));
1613
1614                 menu.addChild(new dijit.MenuItem({
1615                         label: __("Mark feed as read"),
1616                         onClick: function () {
1617                                 catchupFeedInGroup(this.getParent().currentTarget.getAttribute("data-feed-id"));
1618                         }
1619                 }));
1620
1621                 menu.addChild(new dijit.MenuItem({
1622                         label: __("Edit feed"),
1623                         onClick: function () {
1624                                 editFeed(this.getParent().currentTarget.getAttribute("data-feed-id"));
1625                         }
1626                 }));
1627
1628                 menu.startup();
1629         }
1630 }
1631
1632 function cache_set(id, obj) {
1633         //console.log("cache_set: " + id);
1634         if (has_storage)
1635                 try {
1636                         sessionStorage[id] = obj;
1637                 } catch (e) {
1638                         sessionStorage.clear();
1639                 }
1640 }
1641
1642 function cache_get(id) {
1643         if (has_storage)
1644                 return sessionStorage[id];
1645 }
1646
1647 function cache_clear() {
1648         if (has_storage)
1649                 sessionStorage.clear();
1650 }
1651
1652 function cache_delete(id) {
1653         if (has_storage)
1654                 sessionStorage.removeItem(id);
1655 }
1656
1657 function cancelSearch() {
1658         _search_query = "";
1659         viewCurrentFeed();
1660 }
1661
1662 function setSelectionScore() {
1663         const ids = getSelectedArticleIds2();
1664
1665         if (ids.length > 0) {
1666                 console.log(ids);
1667
1668                 const score = prompt(__("Please enter new score for selected articles:"));
1669
1670                 if (score != undefined) {
1671                         const query = { op: "article", method: "setScore", id: ids.toString(),
1672                                 score: score };
1673
1674                         xhrJson("backend.php", query, (reply) => {
1675                                 if (reply) {
1676                                         reply.id.each((id) => {
1677                                                 const row = $("RROW-" + id);
1678
1679                                                 if (row) {
1680                                                         const pic = row.getElementsByClassName("score-pic")[0];
1681
1682                                                         if (pic) {
1683                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
1684                                                                         reply["score_pic"]);
1685                                                                 pic.setAttribute("score", reply["score"]);
1686                                                         }
1687                                                 }
1688                                         });
1689                                 }
1690                         });
1691                 }
1692
1693         } else {
1694                 alert(__("No articles are selected."));
1695         }
1696 }
1697
1698 function changeScore(id, pic) {
1699         const score = pic.getAttribute("score");
1700
1701         const new_score = prompt(__("Please enter new score for this article:"), score);
1702
1703         if (new_score != undefined) {
1704                 const query = { op: "article", method: "setScore", id: id, score: new_score };
1705
1706                 xhrJson("backend.php", query, (reply) => {
1707                         if (reply) {
1708                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
1709                                 pic.setAttribute("score", new_score);
1710                                 pic.setAttribute("title", new_score);
1711                         }
1712                 });
1713         }
1714 }
1715
1716 function displayArticleUrl(id) {
1717         const query = { op: "rpc", method: "getlinktitlebyid", id: id };
1718
1719         xhrJson("backend.php", query, (reply) => {
1720                 if (reply && reply.link) {
1721                         prompt(__("Article URL:"), reply.link);
1722                 }
1723         });
1724
1725 }
1726
1727 function scrollToRowId(id) {
1728         const row = $(id);
1729
1730         if (row)
1731                 $("headlines-frame").scrollTop = row.offsetTop - 4;
1732 }
1733
1734 function updateFloatingTitle(unread_only) {
1735         if (!isCdmMode()) return;
1736
1737         const hf = $("headlines-frame");
1738
1739         const elems = $$("#headlines-frame > div[id*=RROW]");
1740
1741         for (let i = 0; i < elems.length; i++) {
1742
1743                 const child = elems[i];
1744
1745                 if (child && child.offsetTop + child.offsetHeight > hf.scrollTop) {
1746
1747                         const header = child.getElementsByClassName("header")[0];
1748
1749                         if (unread_only || child.getAttribute("data-article-id") != $("floatingTitle").getAttribute("data-article-id")) {
1750                                 if (child.getAttribute("data-article-id") != $("floatingTitle").getAttribute("data-article-id")) {
1751
1752                                         $("floatingTitle").setAttribute("data-article-id", child.getAttribute("data-article-id"));
1753                                         $("floatingTitle").innerHTML = header.innerHTML;
1754                                         $("floatingTitle").firstChild.innerHTML = "<img class='anchor markedPic' src='images/page_white_go.png' onclick=\"scrollToRowId('" + child.id + "')\">" + $("floatingTitle").firstChild.innerHTML;
1755
1756                                         initFloatingMenu();
1757
1758                                         const cb = $$("#floatingTitle .dijitCheckBox")[0];
1759
1760                                         if (cb)
1761                                                 cb.parentNode.removeChild(cb);
1762                                 }
1763
1764                                 if (child.hasClassName("Unread"))
1765                                         $("floatingTitle").addClassName("Unread");
1766                                 else
1767                                         $("floatingTitle").removeClassName("Unread");
1768
1769                                 PluginHost.run(PluginHost.HOOK_FLOATING_TITLE, child);
1770                         }
1771
1772                         $("floatingTitle").style.marginRight = hf.offsetWidth - child.offsetWidth + "px";
1773                         if (header.offsetTop + header.offsetHeight < hf.scrollTop + $("floatingTitle").offsetHeight - 5 &&
1774                                 child.offsetTop + child.offsetHeight >= hf.scrollTop + $("floatingTitle").offsetHeight - 5)
1775                                 $("floatingTitle").style.visibility = "visible";
1776                         else
1777                                 $("floatingTitle").style.visibility = "hidden";
1778
1779                         return;
1780
1781                 }
1782         }
1783 }