js/viewfeed.js

   1 var article_cache = new Array();
   2
   3 var _active_article_id = 0;
   4
   5 var vgroup_last_feed = false;
   6 var post_under_pointer = false;
   7
   8 var last_requested_article = false;
   9
  10 var catchup_id_batch = [];
  11 var catchup_timeout_id = false;
  12
  13 var cids_requested = [];
  14 var loaded_article_ids = [];
  15 var _last_headlines_update = 0;
  16
  17 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  18
  19 function headlines_callback2(transport, offset, background, infscroll_req) {
  20         try {
  21                 handle_rpc_json(transport);
  22
  23                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  24
  25                 var is_cat = false;
  26                 var feed_id = false;
  27
  28                 var reply = false;
  29
  30                 try {
  31                         reply = JSON.parse(transport.responseText);
  32                 } catch (e) {
  33                         console.error(e);
  34                 }
  35
  36                 if (reply) {
  37
  38                         is_cat = reply['headlines']['is_cat'];
  39                         feed_id = reply['headlines']['id'];
  40
  41                         if (background) {
  42                                 var content = reply['headlines']['content'];
  43
  44                                 content = content + "<div id='headlines-spacer'></div>";
  45                                 return;
  46                         }
  47
  48                         if (feed_id != getActiveFeedId() || is_cat != activeFeedIsCat())
  49                                 return;
  50
  51                         /* dijit.getEnclosingWidget(
  52                                 document.forms["main_toolbar_form"].update).attr('disabled',
  53                                         is_cat || feed_id <= 0); */
  54
  55                         try {
  56                                 if (infscroll_req == false) {
  57                                         $("headlines-frame").scrollTop = 0;
  58
  59                                         Element.hide("floatingTitle");
  60                                         $("floatingTitle").setAttribute("rowid", 0);
  61                                         $("floatingTitle").innerHTML = "";
  62                                 }
  63                         } catch (e) { };
  64
  65                         $("headlines-frame").removeClassName("cdm");
  66                         $("headlines-frame").removeClassName("normal");
  67
  68                         $("headlines-frame").addClassName(isCdmMode() ? "cdm" : "normal");
  69
  70                         var headlines_count = reply['headlines-info']['count'];
  71
  72                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  73
  74                         if (parseInt(headlines_count) < 30) {
  75                                 _infscroll_disable = 1;
  76                         } else {
  77                                 _infscroll_disable = 0;
  78                         }
  79
  80                         var counters = reply['counters'];
  81                         var articles = reply['articles'];
  82                         //var runtime_info = reply['runtime-info'];
  83
  84                         if (infscroll_req == false) {
  85                                 loaded_article_ids = [];
  86
  87                                 dijit.byId("headlines-frame").attr('content',
  88                                         reply['headlines']['content']);
  89
  90                                 dijit.byId("headlines-toolbar").attr('content',
  91                                         reply['headlines']['toolbar']);
  92
  93                                 $$("#headlines-frame > div[id*=RROW]").each(function(row) {
  94                                         if (loaded_article_ids.indexOf(row.id) != -1) {
  95                                                 row.parentNode.removeChild(row);
  96                                         } else {
  97                                                 loaded_article_ids.push(row.id);
  98                                         }
  99                                 });
 100
 101                                 var hsp = $("headlines-spacer");
 102                                 if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 103                                 dijit.byId('headlines-frame').domNode.appendChild(hsp);
 104
 105                                 initHeadlinesMenu();
 106
 107                                 if (_search_query) {
 108                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 109                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 110                                                 "</span>";
 111                                 }
 112
 113                         } else {
 114
 115                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 116                                         console.log("adding some more headlines: " + headlines_count);
 117
 118                                         var c = dijit.byId("headlines-frame");
 119                                         var ids = getSelectedArticleIds2();
 120                                         var new_elems = [];
 121
 122                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 123
 124                                         var hsp = $("headlines-spacer");
 125
 126                                         if (hsp)
 127                                                 c.domNode.removeChild(hsp);
 128
 129                                         $$("#headlines-tmp > div").each(function(row) {
 130                                                 if (row.className == 'cdmFeedTitle') {
 131                                                         row.style.display = 'none';
 132                                                         c.domNode.appendChild(row);
 133                                                         new_elems.push(row);
 134                                                 } else if (loaded_article_ids.indexOf(row.id) == -1) {
 135                                                         row.style.display = 'none';
 136                                                         c.domNode.appendChild(row);
 137                                                         new_elems.push(row);
 138                                                         loaded_article_ids.push(row.id);
 139                                                 } else {
 140                                                         row.parentNode.removeChild(row);
 141                                                 }
 142                                         });
 143
 144                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 145
 146                                         if (getInitParam("cdm_auto_catchup") == 1) {
 147                                                 c.domNode.appendChild(hsp);
 148                                         }
 149
 150                                         console.log("added " + new_elems.size() + " headlines");
 151
 152                                         if (new_elems.size() == 0)
 153                                                 _infscroll_disable = true;
 154
 155                                         console.log("restore selected ids: " + ids);
 156
 157                                         for (var i = 0; i < ids.length; i++) {
 158                                                 markHeadline(ids[i]);
 159                                         }
 160
 161                                         initHeadlinesMenu();
 162
 163                                         new_elems.each(function(child) {
 164                                                 dojo.parser.parse(child);
 165
 166                                                 if (!Element.visible(child))
 167                                                         new Effect.Appear(child, { duration : 0.5 });
 168                                         });
 169
 170                                 } else {
 171                                         console.log("no new headlines received");
 172
 173                                         var hsp = $("headlines-spacer");
 174
 175                                         if (hsp) hsp.innerHTML = "";
 176                                 }
 177                         }
 178
 179                         if (articles) {
 180                                 for (var i = 0; i < articles.length; i++) {
 181                                         var a_id = articles[i]['id'];
 182                                         cache_set("article:" + a_id, articles[i]['content']);
 183                                 }
 184                         } else {
 185                                 console.log("no cached articles received");
 186                         }
 187
 188                         if (counters)
 189                                 parse_counters(counters);
 190                         else
 191                                 request_counters(true);
 192
 193                 } else if (transport.responseText) {
 194                         console.error("Invalid object received: " + transport.responseText);
 195                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 196                                         __('Could not update headlines (invalid object received - see error console for details)') +
 197                                         "</div>");
 198                 } else {
 199                         //notify_error("Error communicating with server.");
 200                         Element.show(dijit.byId("net-alert").domNode);
 201                 }
 202
 203                 _infscroll_request_sent = 0;
 204                 _last_headlines_update = new Date().getTime();
 205
 206                 unpackVisibleHeadlines();
 207
 208                 // if we have some more space in the buffer, why not try to fill it
 209
 210                 if (!_infscroll_disable && $("headlines-spacer") &&
 211                                 $("headlines-spacer").offsetTop < $("headlines-frame").offsetHeight) {
 212
 213                         window.setTimeout(function() {
 214                                 loadMoreHeadlines();
 215                         }, 250);
 216                 }
 217
 218                 notify("");
 219
 220         } catch (e) {
 221                 exception_error("headlines_callback2", e, transport);
 222         }
 223 }
 224
 225 function render_article(article) {
 226         try {
 227                 dijit.byId("headlines-wrap-inner").addChild(
 228                                 dijit.byId("content-insert"));
 229
 230                 var c = dijit.byId("content-insert");
 231
 232                 try {
 233                         c.domNode.scrollTop = 0;
 234                 } catch (e) { };
 235
 236                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED, article);
 237
 238                 c.attr('content', article);
 239
 240                 correctHeadlinesOffset(getActiveArticleId());
 241
 242                 try {
 243                         c.focus();
 244                 } catch (e) { };
 245
 246         } catch (e) {
 247                 exception_error("render_article", e);
 248         }
 249 }
 250
 251 function showArticleInHeadlines(id, noexpand) {
 252
 253         try {
 254                 selectArticles("none");
 255
 256                 var crow = $("RROW-" + id);
 257
 258                 if (!crow) return;
 259
 260                 var article_is_unread = crow.hasClassName("Unread");
 261
 262                 if (!noexpand)
 263                         crow.removeClassName("Unread");
 264                 crow.addClassName("active");
 265
 266                 selectArticles('none');
 267
 268                 var view_mode = false;
 269
 270                 try {
 271                         view_mode = document.forms['main_toolbar_form'].view_mode;
 272                         view_mode = view_mode[view_mode.selectedIndex].value;
 273                 } catch (e) {
 274                         //
 275                 }
 276
 277                 markHeadline(id);
 278
 279                 if (article_is_unread && !noexpand)
 280                         _force_scheduled_update = true;
 281
 282         } catch (e) {
 283                 exception_error("showArticleInHeadlines", e);
 284         }
 285 }
 286
 287 function article_callback2(transport, id) {
 288         try {
 289                 console.log("article_callback2 " + id);
 290
 291                 handle_rpc_json(transport);
 292
 293                 var reply = false;
 294
 295                 try {
 296                         reply = JSON.parse(transport.responseText);
 297                 } catch (e) {
 298                         console.error(e);
 299                 }
 300
 301                 if (reply) {
 302
 303                         reply.each(function(article) {
 304                                 if (getActiveArticleId() == article['id']) {
 305                                         render_article(article['content']);
 306                                 }
 307                                 cids_requested.remove(article['id']);
 308
 309                                 cache_set("article:" + article['id'], article['content']);
 310                         });
 311
 312 //                      if (id != last_requested_article) {
 313 //                              console.log("requested article id is out of sequence, aborting");
 314 //                              return;
 315 //                      }
 316
 317                 } else if (transport.responseText) {
 318                         console.error("Invalid object received: " + transport.responseText);
 319
 320                         render_article("<div class='whiteBox'>" +
 321                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 322                 } else {
 323                         Element.show(dijit.byId("net-alert").domNode);
 324                 }
 325
 326                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 327                 request_counters(unread_in_buffer == 0);
 328
 329                 //headlines_scroll_handler($("headlines-frame"));
 330
 331 /*              try {
 332                         if (!_infscroll_disable &&
 333                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 334
 335                                 loadMoreHeadlines();
 336                         }
 337                 } catch (e) {
 338                         console.warn(e);
 339                 } */
 340
 341                 notify("");
 342         } catch (e) {
 343                 exception_error("article_callback2", e, transport);
 344         }
 345 }
 346
 347 function view(id, activefeed, noexpand) {
 348         try {
 349                 var oldrow = $("RROW-" + getActiveArticleId());
 350                 if (oldrow) oldrow.removeClassName("active");
 351
 352                 var crow = $("RROW-" + id);
 353
 354                 if (!crow) return;
 355                 if (noexpand) {
 356                         setActiveArticleId(id);
 357                         showArticleInHeadlines(id, noexpand);
 358                         return;
 359                 }
 360
 361                 console.log("loading article: " + id);
 362
 363                 var cached_article = cache_get("article:" + id);
 364
 365                 console.log("cache check result: " + (cached_article != false));
 366
 367                 var query = "?op=article&method=view&id=" + param_escape(id);
 368
 369                 var neighbor_ids = getRelativePostIds(id);
 370
 371                 /* only request uncached articles */
 372
 373                 var cids_to_request = [];
 374
 375                 for (var i = 0; i < neighbor_ids.length; i++) {
 376                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 377                                 if (!cache_get("article:" + neighbor_ids[i])) {
 378                                         cids_to_request.push(neighbor_ids[i]);
 379                                         cids_requested.push(neighbor_ids[i]);
 380                                 }
 381                 }
 382
 383                 console.log("additional ids: " + cids_to_request.toString());
 384
 385                 query = query + "&cids=" + cids_to_request.toString();
 386
 387                 var article_is_unread = crow.hasClassName("Unread");
 388
 389                 setActiveArticleId(id);
 390                 showArticleInHeadlines(id);
 391
 392                 if (cached_article && article_is_unread) {
 393
 394                         query = query + "&mode=prefetch";
 395
 396                         render_article(cached_article);
 397
 398                 } else if (cached_article) {
 399
 400                         query = query + "&mode=prefetch_old";
 401                         render_article(cached_article);
 402
 403                         // if we don't need to request any relative ids, we might as well skip
 404                         // the server roundtrip altogether
 405                         if (cids_to_request.length == 0) {
 406
 407 /*                              try {
 408                                         if (!_infscroll_disable &&
 409                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 410
 411                                                         loadMoreHeadlines();
 412                                         }
 413                                 } catch (e) {
 414                                         console.warn(e);
 415                                 } */
 416
 417                                 //headlines_scroll_handler($("headlines-frame"));
 418
 419                                 return;
 420                         }
 421                 }
 422
 423                 last_requested_article = id;
 424
 425                 console.log(query);
 426
 427                 if (article_is_unread) {
 428                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 429                 }
 430
 431                 new Ajax.Request("backend.php", {
 432                         parameters: query,
 433                         onComplete: function(transport) {
 434                                 article_callback2(transport, id);
 435                         } });
 436
 437                 return false;
 438
 439         } catch (e) {
 440                 exception_error("view", e);
 441         }
 442 }
 443
 444 function toggleMark(id, client_only) {
 445         try {
 446                 var query = "?op=rpc&id=" + id + "&method=mark";
 447
 448                 var row = $("RROW-" + id);
 449                 if (!row) return;
 450
 451                 var imgs = [];
 452
 453                 var row_imgs = row.getElementsByClassName("markedPic");
 454
 455                 for (var i = 0; i < row_imgs.length; i++)
 456                         imgs.push(row_imgs[i]);
 457
 458                 var ft = $("floatingTitle");
 459
 460                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 461                         var fte = ft.getElementsByClassName("markedPic");
 462
 463                         for (var i = 0; i < fte.length; i++)
 464                                 imgs.push(fte[i]);
 465                 }
 466
 467                 for (i = 0; i < imgs.length; i++) {
 468                         var img = imgs[i];
 469
 470                         if (!row.hasClassName("marked")) {
 471                                 img.src = img.src.replace("mark_unset", "mark_set");
 472                                 img.alt = __("Unstar article");
 473                                 query = query + "&mark=1";
 474                         } else {
 475                                 img.src = img.src.replace("mark_set", "mark_unset");
 476                                 img.alt = __("Star article");
 477                                 query = query + "&mark=0";
 478                         }
 479                 }
 480
 481                 row.toggleClassName("marked");
 482
 483                 if (!client_only) {
 484                         new Ajax.Request("backend.php", {
 485                                 parameters: query,
 486                                 onComplete: function(transport) {
 487                                         handle_rpc_json(transport);
 488                                 } });
 489                 }
 490
 491         } catch (e) {
 492                 exception_error("toggleMark", e);
 493         }
 494 }
 495
 496 function togglePub(id, client_only, no_effects, note) {
 497         try {
 498                 var query = "?op=rpc&id=" + id + "&method=publ";
 499
 500                 if (note != undefined) {
 501                         query = query + "&note=" + param_escape(note);
 502                 } else {
 503                         query = query + "&note=undefined";
 504                 }
 505
 506                 var row = $("RROW-" + id);
 507                 if (!row) return;
 508
 509                 var imgs = [];
 510
 511                 var row_imgs = row.getElementsByClassName("pubPic");
 512
 513                 for (var i = 0; i < row_imgs.length; i++)
 514                         imgs.push(row_imgs[i]);
 515
 516                 var ft = $("floatingTitle");
 517
 518                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 519                         var fte = ft.getElementsByClassName("pubPic");
 520
 521                         for (var i = 0; i < fte.length; i++)
 522                                 imgs.push(fte[i]);
 523                 }
 524
 525                 for (i = 0; i < imgs.length; i++) {
 526                         var img = imgs[i];
 527
 528                         if (!row.hasClassName("published") || note != undefined) {
 529                                 img.src = img.src.replace("pub_unset", "pub_set");
 530                                 img.alt = __("Unpublish article");
 531                                 query = query + "&pub=1";
 532                         } else {
 533                                 img.src = img.src.replace("pub_set", "pub_unset");
 534                                 img.alt = __("Publish article");
 535                                 query = query + "&pub=0";
 536                         }
 537                 }
 538
 539                 if (note != undefined)
 540                         row.addClassName("published");
 541                 else
 542                         row.toggleClassName("published");
 543
 544                 if (!client_only) {
 545                         new Ajax.Request("backend.php", {
 546                                 parameters: query,
 547                                 onComplete: function(transport) {
 548                                         handle_rpc_json(transport);
 549                                 } });
 550                 }
 551
 552         } catch (e) {
 553                 exception_error("togglePub", e);
 554         }
 555 }
 556
 557 function moveToPost(mode, noscroll, noexpand) {
 558
 559         try {
 560
 561                 var rows = getVisibleArticleIds();
 562
 563                 var prev_id = false;
 564                 var next_id = false;
 565
 566                 if (!$('RROW-' + getActiveArticleId())) {
 567                         setActiveArticleId(0);
 568                 }
 569
 570                 if (!getActiveArticleId()) {
 571                         next_id = rows[0];
 572                         prev_id = rows[rows.length-1]
 573                 } else {
 574                         for (var i = 0; i < rows.length; i++) {
 575                                 if (rows[i] == getActiveArticleId()) {
 576
 577                                         // Account for adjacent identical article ids.
 578                                         if (i > 0) prev_id = rows[i-1];
 579
 580                                         for (var j = i+1; j < rows.length; j++) {
 581                                                 if (rows[j] != getActiveArticleId()) {
 582                                                         next_id = rows[j];
 583                                                         break;
 584                                                 }
 585                                         }
 586                                         break;
 587                                 }
 588                         }
 589                 }
 590
 591                 if (mode == "next") {
 592                         if (next_id || getActiveArticleId()) {
 593                                 if (isCdmMode()) {
 594
 595                                         var article = $("RROW-" + getActiveArticleId());
 596                                         var ctr = $("headlines-frame");
 597
 598                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 599                                                         ctr.scrollTop + ctr.offsetHeight) {
 600
 601                                                 scrollArticle(ctr.offsetHeight/4);
 602
 603                                         } else if (next_id) {
 604                                                 cdmExpandArticle(next_id, noexpand);
 605                                                 cdmScrollToArticleId(next_id, true);
 606                                         }
 607
 608                                 } else if (next_id) {
 609                                         correctHeadlinesOffset(next_id);
 610                                         view(next_id, getActiveFeedId(), noexpand);
 611                                 }
 612                         }
 613                 }
 614
 615                 if (mode == "prev") {
 616                         if (prev_id || getActiveArticleId()) {
 617                                 if (isCdmMode()) {
 618
 619                                         var article = $("RROW-" + getActiveArticleId());
 620                                         var prev_article = $("RROW-" + prev_id);
 621                                         var ctr = $("headlines-frame");
 622
 623                                         if (!getInitParam("cdm_expanded")) {
 624
 625                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 626                                                         scrollArticle(-ctr.offsetHeight/4);
 627                                                 } else {
 628                                                         cdmExpandArticle(prev_id, noexpand);
 629                                                         cdmScrollToArticleId(prev_id, true);
 630                                                 }
 631                                         } else {
 632
 633                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 634                                                         scrollArticle(-ctr.offsetHeight/3);
 635                                                 } else if (!noscroll && prev_article &&
 636                                                                 prev_article.offsetTop < ctr.scrollTop) {
 637                                                         cdmExpandArticle(prev_id, noexpand);
 638                                                         scrollArticle(-ctr.offsetHeight/4);
 639                                                 } else if (prev_id) {
 640                                                         cdmExpandArticle(prev_id, noexpand);
 641                                                         cdmScrollToArticleId(prev_id, noscroll);
 642                                                 }
 643                                         }
 644
 645                                 } else if (prev_id) {
 646                                         correctHeadlinesOffset(prev_id);
 647                                         view(prev_id, getActiveFeedId(), noexpand);
 648                                 }
 649                         }
 650                 }
 651
 652         } catch (e) {
 653                 exception_error("moveToPost", e);
 654         }
 655 }
 656
 657 function toggleSelected(id, force_on) {
 658         try {
 659                 var row = $("RROW-" + id);
 660
 661                 if (row) {
 662                         var cb = dijit.getEnclosingWidget(
 663                                         row.getElementsByClassName("rchk")[0]);
 664
 665                         if (row.hasClassName('Selected') && !force_on) {
 666                                 row.removeClassName('Selected');
 667                                 if (cb) cb.attr("checked", false);
 668                         } else {
 669                                 row.addClassName('Selected');
 670                                 if (cb) cb.attr("checked", true);
 671                         }
 672                 }
 673
 674                 updateSelectedPrompt();
 675         } catch (e) {
 676                 exception_error("toggleSelected", e);
 677         }
 678 }
 679
 680 function updateSelectedPrompt() {
 681         try {
 682                 var count = getSelectedArticleIds2().size();
 683                 var elem = $("selected_prompt");
 684
 685                 if (elem) {
 686                         elem.innerHTML = ngettext("%d article selected",
 687                                         "%d articles selected", count).replace("%d", count);
 688
 689                         if (count > 0)
 690                                 Element.show(elem);
 691                         else
 692                                 Element.hide(elem);
 693                 }
 694
 695         } catch (e) {
 696                 exception_error("updateSelectedPrompt", e);
 697         }
 698 }
 699
 700 function toggleUnread_afh(effect) {
 701         try {
 702
 703                 var elem = effect.element;
 704                 elem.style.backgroundColor = "";
 705
 706         } catch (e) {
 707                 exception_error("toggleUnread_afh", e);
 708         }
 709 }
 710
 711 function toggleUnread(id, cmode, effect) {
 712         try {
 713
 714                 var row = $("RROW-" + id);
 715                 if (row) {
 716                         if (cmode == undefined || cmode == 2) {
 717                                 if (row.hasClassName("Unread")) {
 718                                         row.removeClassName("Unread");
 719
 720                                 } else {
 721                                         row.addClassName("Unread");
 722                                 }
 723
 724                         } else if (cmode == 0) {
 725
 726                                 row.removeClassName("Unread");
 727
 728                         } else if (cmode == 1) {
 729                                 row.addClassName("Unread");
 730                         }
 731
 732                         if (cmode == undefined) cmode = 2;
 733
 734                         var query = "?op=rpc&method=catchupSelected" +
 735                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 736
 737 //                      notify_progress("Loading, please wait...");
 738
 739                         new Ajax.Request("backend.php", {
 740                                 parameters: query,
 741                                 onComplete: function(transport) {
 742                                         handle_rpc_json(transport);
 743                                 } });
 744
 745                 }
 746
 747         } catch (e) {
 748                 exception_error("toggleUnread", e);
 749         }
 750 }
 751
 752 function selectionRemoveLabel(id, ids) {
 753         try {
 754
 755                 if (!ids) ids = getSelectedArticleIds2();
 756
 757                 if (ids.length == 0) {
 758                         alert(__("No articles are selected."));
 759                         return;
 760                 }
 761
 762                 var query = "?op=article&method=removeFromLabel&ids=" +
 763                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 764
 765                 console.log(query);
 766
 767                 new Ajax.Request("backend.php", {
 768                         parameters: query,
 769                         onComplete: function(transport) {
 770                                 handle_rpc_json(transport);
 771                                 show_labels_in_headlines(transport);
 772                         } });
 773
 774         } catch (e) {
 775                 exception_error("selectionAssignLabel", e);
 776
 777         }
 778 }
 779
 780 function selectionAssignLabel(id, ids) {
 781         try {
 782
 783                 if (!ids) ids = getSelectedArticleIds2();
 784
 785                 if (ids.length == 0) {
 786                         alert(__("No articles are selected."));
 787                         return;
 788                 }
 789
 790                 var query = "?op=article&method=assignToLabel&ids=" +
 791                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 792
 793                 console.log(query);
 794
 795                 new Ajax.Request("backend.php", {
 796                         parameters: query,
 797                         onComplete: function(transport) {
 798                                 handle_rpc_json(transport);
 799                                 show_labels_in_headlines(transport);
 800                         } });
 801
 802         } catch (e) {
 803                 exception_error("selectionAssignLabel", e);
 804
 805         }
 806 }
 807
 808 function selectionToggleUnread(set_state, callback, no_error, ids) {
 809         try {
 810                 var rows = ids ? ids : getSelectedArticleIds2();
 811
 812                 if (rows.length == 0 && !no_error) {
 813                         alert(__("No articles are selected."));
 814                         return;
 815                 }
 816
 817                 for (var i = 0; i < rows.length; i++) {
 818                         var row = $("RROW-" + rows[i]);
 819                         if (row) {
 820                                 if (set_state == undefined) {
 821                                         if (row.hasClassName("Unread")) {
 822                                                 row.removeClassName("Unread");
 823                                         } else {
 824                                                 row.addClassName("Unread");
 825                                         }
 826                                 }
 827
 828                                 if (set_state == false) {
 829                                         row.removeClassName("Unread");
 830                                 }
 831
 832                                 if (set_state == true) {
 833                                         row.addClassName("Unread");
 834                                 }
 835                         }
 836                 }
 837
 838                 updateFloatingTitle(true);
 839
 840                 if (rows.length > 0) {
 841
 842                         var cmode = "";
 843
 844                         if (set_state == undefined) {
 845                                 cmode = "2";
 846                         } else if (set_state == true) {
 847                                 cmode = "1";
 848                         } else if (set_state == false) {
 849                                 cmode = "0";
 850                         }
 851
 852                         var query = "?op=rpc&method=catchupSelected" +
 853                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 854
 855                         notify_progress("Loading, please wait...");
 856
 857                         new Ajax.Request("backend.php", {
 858                                 parameters: query,
 859                                 onComplete: function(transport) {
 860                                         handle_rpc_json(transport);
 861                                         if (callback) callback(transport);
 862                                 } });
 863
 864                 }
 865
 866         } catch (e) {
 867                 exception_error("selectionToggleUnread", e);
 868         }
 869 }
 870
 871 // sel_state ignored
 872 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 873         try {
 874
 875                 var rows = ids ? ids : getSelectedArticleIds2();
 876
 877                 if (rows.length == 0 && !no_error) {
 878                         alert(__("No articles are selected."));
 879                         return;
 880                 }
 881
 882                 for (var i = 0; i < rows.length; i++) {
 883                         toggleMark(rows[i], true, true);
 884                 }
 885
 886                 if (rows.length > 0) {
 887
 888                         var query = "?op=rpc&method=markSelected&ids=" +
 889                                 param_escape(rows.toString()) + "&cmode=2";
 890
 891                         new Ajax.Request("backend.php", {
 892                                 parameters: query,
 893                                 onComplete: function(transport) {
 894                                         handle_rpc_json(transport);
 895                                         if (callback) callback(transport);
 896                                 } });
 897
 898                 }
 899
 900         } catch (e) {
 901                 exception_error("selectionToggleMarked", e);
 902         }
 903 }
 904
 905 // sel_state ignored
 906 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 907         try {
 908
 909                 var rows = ids ? ids : getSelectedArticleIds2();
 910
 911                 if (rows.length == 0 && !no_error) {
 912                         alert(__("No articles are selected."));
 913                         return;
 914                 }
 915
 916                 for (var i = 0; i < rows.length; i++) {
 917                         togglePub(rows[i], true, true);
 918                 }
 919
 920                 if (rows.length > 0) {
 921
 922                         var query = "?op=rpc&method=publishSelected&ids=" +
 923                                 param_escape(rows.toString()) + "&cmode=2";
 924
 925                         new Ajax.Request("backend.php", {
 926                                 parameters: query,
 927                                 onComplete: function(transport) {
 928                                         handle_rpc_json(transport);
 929                                 } });
 930
 931                 }
 932
 933         } catch (e) {
 934                 exception_error("selectionToggleMarked", e);
 935         }
 936 }
 937
 938 function getSelectedArticleIds2() {
 939
 940         var rv = [];
 941
 942         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 943                 function(child) {
 944                         rv.push(child.id.replace("RROW-", ""));
 945                 });
 946
 947         return rv;
 948 }
 949
 950 function getLoadedArticleIds() {
 951         var rv = [];
 952
 953         var children = $$("#headlines-frame > div[id*=RROW-]");
 954
 955         children.each(function(child) {
 956                         rv.push(child.id.replace("RROW-", ""));
 957                 });
 958
 959         return rv;
 960
 961 }
 962
 963 // mode = all,none,unread,invert,marked,published
 964 function selectArticles(mode, query) {
 965         try {
 966
 967                 if (!query) query = "#headlines-frame > div[id*=RROW]";
 968
 969                 var children = $$(query);
 970
 971                 children.each(function(child) {
 972                         var id = child.id.replace("RROW-", "");
 973
 974                         var cb = dijit.getEnclosingWidget(
 975                                         child.getElementsByClassName("rchk")[0]);
 976
 977                         if (mode == "all") {
 978                                 child.addClassName("Selected");
 979                                 if (cb) cb.attr("checked", true);
 980                         } else if (mode == "unread") {
 981                                 if (child.hasClassName("Unread")) {
 982                                         child.addClassName("Selected");
 983                                         if (cb) cb.attr("checked", true);
 984                                 } else {
 985                                         child.removeClassName("Selected");
 986                                         if (cb) cb.attr("checked", false);
 987                                 }
 988                         } else if (mode == "marked") {
 989                                 if (child.hasClassName("marked")) {
 990                                         child.addClassName("Selected");
 991                                         if (cb) cb.attr("checked", true);
 992                                 } else {
 993                                         child.removeClassName("Selected");
 994                                         if (cb) cb.attr("checked", false);
 995                                 }
 996                         } else if (mode == "published") {
 997                                 if (child.hasClassName("published")) {
 998                                         child.addClassName("Selected");
 999                                         if (cb) cb.attr("checked", true);
1000                                 } else {
1001                                         child.removeClassName("Selected");
1002                                         if (cb) cb.attr("checked", false);
1003                                 }
1004
1005                         } else if (mode == "invert") {
1006                                 if (child.hasClassName("Selected")) {
1007                                         child.removeClassName("Selected");
1008                                         if (cb) cb.attr("checked", false);
1009                                 } else {
1010                                         child.addClassName("Selected");
1011                                         if (cb) cb.attr("checked", true);
1012                                 }
1013
1014                         } else {
1015                                 child.removeClassName("Selected");
1016                                 if (cb) cb.attr("checked", false);
1017                         }
1018                 });
1019
1020                 updateSelectedPrompt();
1021
1022         } catch (e) {
1023                 exception_error("selectArticles", e);
1024         }
1025 }
1026
1027 function deleteSelection() {
1028
1029         try {
1030
1031                 var rows = getSelectedArticleIds2();
1032
1033                 if (rows.length == 0) {
1034                         alert(__("No articles are selected."));
1035                         return;
1036                 }
1037
1038                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1039                 var str;
1040
1041                 if (getActiveFeedId() != 0) {
1042                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
1043                 } else {
1044                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
1045                 }
1046
1047                 str = str.replace("%d", rows.length);
1048                 str = str.replace("%s", fn);
1049
1050                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1051                         return;
1052                 }
1053
1054                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
1055
1056                 console.log(query);
1057
1058                 new Ajax.Request("backend.php", {
1059                         parameters: query,
1060                         onComplete: function(transport) {
1061                                         handle_rpc_json(transport);
1062                                         viewCurrentFeed();
1063                                 } });
1064
1065         } catch (e) {
1066                 exception_error("deleteSelection", e);
1067         }
1068 }
1069
1070 function archiveSelection() {
1071
1072         try {
1073
1074                 var rows = getSelectedArticleIds2();
1075
1076                 if (rows.length == 0) {
1077                         alert(__("No articles are selected."));
1078                         return;
1079                 }
1080
1081                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1082                 var str;
1083                 var op;
1084
1085                 if (getActiveFeedId() != 0) {
1086                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1087                         op = "archive";
1088                 } else {
1089                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1090
1091                         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
1092
1093                         op = "unarchive";
1094                 }
1095
1096                 str = str.replace("%d", rows.length);
1097                 str = str.replace("%s", fn);
1098
1099                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1100                         return;
1101                 }
1102
1103                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1104
1105                 console.log(query);
1106
1107                 for (var i = 0; i < rows.length; i++) {
1108                         cache_delete("article:" + rows[i]);
1109                 }
1110
1111                 new Ajax.Request("backend.php", {
1112                         parameters: query,
1113                         onComplete: function(transport) {
1114                                         handle_rpc_json(transport);
1115                                         viewCurrentFeed();
1116                                 } });
1117
1118         } catch (e) {
1119                 exception_error("archiveSelection", e);
1120         }
1121 }
1122
1123 function catchupSelection() {
1124
1125         try {
1126
1127                 var rows = getSelectedArticleIds2();
1128
1129                 if (rows.length == 0) {
1130                         alert(__("No articles are selected."));
1131                         return;
1132                 }
1133
1134                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1135
1136                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1137
1138                 str = str.replace("%d", rows.length);
1139                 str = str.replace("%s", fn);
1140
1141                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1142                         return;
1143                 }
1144
1145                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1146
1147         } catch (e) {
1148                 exception_error("catchupSelection", e);
1149         }
1150 }
1151
1152 function editArticleTags(id) {
1153                 var query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
1154
1155                 if (dijit.byId("editTagsDlg"))
1156                         dijit.byId("editTagsDlg").destroyRecursive();
1157
1158                 dialog = new dijit.Dialog({
1159                         id: "editTagsDlg",
1160                         title: __("Edit article Tags"),
1161                         style: "width: 600px",
1162                         execute: function() {
1163                                 if (this.validate()) {
1164                                         var query = dojo.objectToQuery(this.attr('value'));
1165
1166                                         notify_progress("Saving article tags...", true);
1167
1168                                         new Ajax.Request("backend.php", {
1169                                         parameters: query,
1170                                         onComplete: function(transport) {
1171                                                 try {
1172                                                         notify('');
1173                                                         dialog.hide();
1174
1175                                                         var data = JSON.parse(transport.responseText);
1176
1177                                                         if (data) {
1178                                                                 var id = data.id;
1179
1180                                                                 console.log(id);
1181
1182                                                                 var tags = $("ATSTR-" + id);
1183                                                                 var tooltip = dijit.byId("ATSTRTIP-" + id);
1184
1185                                                                 if (tags) tags.innerHTML = data.content;
1186                                                                 if (tooltip) tooltip.attr('label', data.content_full);
1187                                                         }
1188                                                 } catch (e) {
1189                                                         exception_error("editArticleTags/inner", e);
1190                                                 }
1191
1192                                         }});
1193                                 }
1194                         },
1195                         href: query,
1196                 });
1197
1198                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1199                 dojo.disconnect(tmph);
1200
1201                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1202                            "backend.php?op=article&method=completeTags",
1203                            { tokens: ',', paramName: "search" });
1204                 });
1205
1206                 dialog.show();
1207
1208 }
1209
1210 function cdmScrollToArticleId(id, force) {
1211         try {
1212                 var ctr = $("headlines-frame");
1213                 var e = $("RROW-" + id);
1214
1215                 if (!e || !ctr) return;
1216
1217                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1218                                 e.offsetTop < ctr.scrollTop) {
1219
1220                         // expanded cdm has a 4px margin now
1221                         ctr.scrollTop = parseInt(e.offsetTop) - 4;
1222                 }
1223
1224         } catch (e) {
1225                 exception_error("cdmScrollToArticleId", e);
1226         }
1227 }
1228
1229 function setActiveArticleId(id) {
1230         _active_article_id = id;
1231         PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
1232 }
1233
1234 function getActiveArticleId() {
1235         return _active_article_id;
1236 }
1237
1238 function postMouseIn(e, id) {
1239         post_under_pointer = id;
1240 }
1241
1242 function postMouseOut(id) {
1243         post_under_pointer = false;
1244 }
1245
1246 function unpackVisibleHeadlines() {
1247         try {
1248                 if (!isCdmMode()) return;
1249
1250                 $$("#headlines-frame > div[id*=RROW]").each(
1251                         function(child) {
1252                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1253                                         $("headlines-frame").offsetHeight) {
1254
1255                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1256
1257                                         if (cencw) {
1258                                                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED_CDM, child);
1259
1260                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1261                                                 cencw.setAttribute('id', '');
1262                                                 Element.show(cencw);
1263                                         }
1264                                 }
1265                         }
1266                 );
1267
1268         } catch (e) {
1269                 exception_error("unpackVisibleHeadlines", e);
1270         }
1271 }
1272
1273 function headlines_scroll_handler(e) {
1274         try {
1275                 var hsp = $("headlines-spacer");
1276
1277                 unpackVisibleHeadlines();
1278
1279                 // set topmost child in the buffer as active
1280                 if (isCdmMode() && getInitParam("cdm_auto_catchup") == 1 &&
1281                                 getSelectedArticleIds2().length <= 1 &&
1282                                 getInitParam("cdm_expanded")) {
1283                         var rows = $$("#headlines-frame > div[id*=RROW]");
1284
1285                         for (var i = 0; i < rows.length; i++) {
1286                                 var child = rows[i];
1287
1288                                 if ($("headlines-frame").scrollTop <= child.offsetTop &&
1289                                         child.offsetTop - $("headlines-frame").scrollTop < 100 &&
1290                                         child.id.replace("RROW-", "") != _active_article_id) {
1291
1292                                         if (_active_article_id) {
1293                                                 var row = $("RROW-" + _active_article_id);
1294                                                 if (row) row.removeClassName("active");
1295                                         }
1296
1297                                         _active_article_id = child.id.replace("RROW-", "");
1298                                         showArticleInHeadlines(_active_article_id, true);
1299                                         updateSelectedPrompt();
1300                                         break;
1301                                 }
1302                         }
1303                 }
1304
1305                 if (!_infscroll_disable) {
1306                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1307                                         (e.scrollHeight != 0 &&
1308                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1309
1310                                 if (hsp)
1311                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1312                                                 __("Loading, please wait...");
1313
1314                                 loadMoreHeadlines();
1315                                 return;
1316
1317                         }
1318                 } else {
1319                         if (hsp) hsp.innerHTML = "";
1320                 }
1321
1322                 if (isCdmMode()) {
1323                         updateFloatingTitle();
1324                 }
1325
1326                 if (getInitParam("cdm_auto_catchup") == 1) {
1327
1328                         // let's get DOM some time to settle down
1329                         var ts = new Date().getTime();
1330                         if (ts - _last_headlines_update < 100) return;
1331
1332                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1333                                 function(child) {
1334                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1335                                                         (child.offsetTop + child.offsetHeight/2)) {
1336
1337                                                 var id = child.id.replace("RROW-", "");
1338
1339                                                 if (catchup_id_batch.indexOf(id) == -1)
1340                                                         catchup_id_batch.push(id);
1341
1342                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1343                                         }
1344
1345                                 });
1346
1347                         if (catchup_id_batch.length > 0) {
1348                                 window.clearTimeout(catchup_timeout_id);
1349
1350                                 if (!_infscroll_request_sent) {
1351                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1352                                                 500);
1353                                 }
1354                         }
1355                 }
1356
1357         } catch (e) {
1358                 console.warn("headlines_scroll_handler: " + e);
1359         }
1360 }
1361
1362 function catchupBatchedArticles() {
1363         try {
1364                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1365
1366                         // make a copy of the array
1367                         var batch = catchup_id_batch.slice();
1368                         var query = "?op=rpc&method=catchupSelected" +
1369                                 "&cmode=0&ids=" + param_escape(batch.toString());
1370
1371                         console.log(query);
1372
1373                         new Ajax.Request("backend.php", {
1374                                 parameters: query,
1375                                 onComplete: function(transport) {
1376                                         handle_rpc_json(transport);
1377
1378                                         reply = JSON.parse(transport.responseText);
1379                                         var batch = reply.ids;
1380
1381                                         batch.each(function(id) {
1382                                                 console.log(id);
1383                                                 var elem = $("RROW-" + id);
1384                                                 if (elem) elem.removeClassName("Unread");
1385                                                 catchup_id_batch.remove(id);
1386                                         });
1387
1388                                         updateFloatingTitle(true);
1389
1390                                 } });
1391                 }
1392
1393         } catch (e) {
1394                 exception_error("catchupBatchedArticles", e);
1395         }
1396 }
1397
1398 function catchupRelativeToArticle(below, id) {
1399
1400         try {
1401
1402                 if (!id) id = getActiveArticleId();
1403
1404                 if (!id) {
1405                         alert(__("No article is selected."));
1406                         return;
1407                 }
1408
1409                 var visible_ids = getVisibleArticleIds();
1410
1411                 var ids_to_mark = new Array();
1412
1413                 if (!below) {
1414                         for (var i = 0; i < visible_ids.length; i++) {
1415                                 if (visible_ids[i] != id) {
1416                                         var e = $("RROW-" + visible_ids[i]);
1417
1418                                         if (e && e.hasClassName("Unread")) {
1419                                                 ids_to_mark.push(visible_ids[i]);
1420                                         }
1421                                 } else {
1422                                         break;
1423                                 }
1424                         }
1425                 } else {
1426                         for (var i = visible_ids.length-1; i >= 0; i--) {
1427                                 if (visible_ids[i] != id) {
1428                                         var e = $("RROW-" + visible_ids[i]);
1429
1430                                         if (e && e.hasClassName("Unread")) {
1431                                                 ids_to_mark.push(visible_ids[i]);
1432                                         }
1433                                 } else {
1434                                         break;
1435                                 }
1436                         }
1437                 }
1438
1439                 if (ids_to_mark.length == 0) {
1440                         alert(__("No articles found to mark"));
1441                 } else {
1442                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1443
1444                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1445
1446                                 for (var i = 0; i < ids_to_mark.length; i++) {
1447                                         var e = $("RROW-" + ids_to_mark[i]);
1448                                         e.removeClassName("Unread");
1449                                 }
1450
1451                                 var query = "?op=rpc&method=catchupSelected" +
1452                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1453
1454                                 new Ajax.Request("backend.php", {
1455                                         parameters: query,
1456                                         onComplete: function(transport) {
1457                                                 handle_rpc_json(transport);
1458                                         } });
1459
1460                         }
1461                 }
1462
1463         } catch (e) {
1464                 exception_error("catchupRelativeToArticle", e);
1465         }
1466 }
1467
1468 function cdmCollapseArticle(event, id, unmark) {
1469         try {
1470                 if (unmark == undefined) unmark = true;
1471
1472                 var row = $("RROW-" + id);
1473                 var elem = $("CICD-" + id);
1474
1475                 if (elem && row) {
1476                         var collapse = $$("div#RROW-" + id +
1477                                 " span[class='collapseBtn']")[0];
1478
1479                         Element.hide(elem);
1480                         Element.show("CEXC-" + id);
1481                         Element.hide(collapse);
1482
1483                         if (unmark) {
1484                                 row.removeClassName("active");
1485
1486                                 markHeadline(id, false);
1487
1488                                 if (id == getActiveArticleId()) {
1489                                         setActiveArticleId(0);
1490                                 }
1491
1492                                 updateSelectedPrompt();
1493                         }
1494
1495                         if (event) Event.stop(event);
1496
1497                         PluginHost.run(PluginHost.HOOK_ARTICLE_COLLAPSED, id);
1498
1499                         if (row.offsetTop < $("headlines-frame").scrollTop)
1500                                 scrollToRowId(row.id);
1501
1502                         Element.hide("floatingTitle");
1503                         $("floatingTitle").setAttribute("rowid", false);
1504                 }
1505
1506         } catch (e) {
1507                 exception_error("cdmCollapseArticle", e);
1508         }
1509 }
1510
1511 function cdmExpandArticle(id, noexpand) {
1512         try {
1513                 console.log("cdmExpandArticle " + id);
1514
1515                 if (!$("RROW-" + id)) return false;
1516
1517                 var oldrow = $("RROW-" + getActiveArticleId());
1518
1519                 var elem = $("CICD-" + getActiveArticleId());
1520
1521                 if (id == getActiveArticleId() && Element.visible(elem))
1522                         return true;
1523
1524                 selectArticles("none");
1525
1526                 var old_offset = $("RROW-" + id).offsetTop;
1527
1528                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1529                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1530                                 " span[class='collapseBtn']")[0];
1531
1532                         Element.hide(elem);
1533                         Element.show("CEXC-" + getActiveArticleId());
1534                         Element.hide(collapse);
1535                 }
1536
1537                 if (oldrow) oldrow.removeClassName("active");
1538
1539                 setActiveArticleId(id);
1540
1541                 elem = $("CICD-" + id);
1542
1543                 var collapse = $$("div#RROW-" + id +
1544                                 " span[class='collapseBtn']")[0];
1545
1546                 var cencw = $("CENCW-" + id);
1547
1548                 if (!Element.visible(elem) && !noexpand) {
1549                         if (cencw) {
1550                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1551                                 cencw.setAttribute('id', '');
1552                                 Element.show(cencw);
1553                         }
1554
1555                         Element.show(elem);
1556                         Element.hide("CEXC-" + id);
1557                         Element.show(collapse);
1558                 }
1559
1560                 var new_offset = $("RROW-" + id).offsetTop;
1561
1562                 if (old_offset > new_offset)
1563                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1564
1565                 if (!noexpand)
1566                         toggleUnread(id, 0, true);
1567                 toggleSelected(id);
1568                 $("RROW-" + id).addClassName("active");
1569
1570                 PluginHost.run(PluginHost.HOOK_ARTICLE_EXPANDED, id);
1571
1572         } catch (e) {
1573                 exception_error("cdmExpandArticle", e);
1574         }
1575
1576         return false;
1577 }
1578
1579 function getArticleUnderPointer() {
1580         return post_under_pointer;
1581 }
1582
1583 function scrollArticle(offset) {
1584         try {
1585                 if (!isCdmMode()) {
1586                         var ci = $("content-insert");
1587                         if (ci) {
1588                                 ci.scrollTop += offset;
1589                         }
1590                 } else {
1591                         var hi = $("headlines-frame");
1592                         if (hi) {
1593                                 hi.scrollTop += offset;
1594                         }
1595
1596                 }
1597         } catch (e) {
1598                 exception_error("scrollArticle", e);
1599         }
1600 }
1601
1602 function show_labels_in_headlines(transport) {
1603         try {
1604                 var data = JSON.parse(transport.responseText);
1605
1606                 if (data) {
1607                         data['info-for-headlines'].each(function(elem) {
1608                                 $$(".HLLCTR-" + elem.id).each(function(ctr) {
1609                                         ctr.innerHTML = elem.labels;
1610                                 });
1611                         });
1612                 }
1613         } catch (e) {
1614                 exception_error("show_labels_in_headlines", e);
1615         }
1616 }
1617
1618 function dismissArticle(id) {
1619         try {
1620                 var elem = $("RROW-" + id);
1621
1622                 if (!elem) return;
1623
1624                 toggleUnread(id, 0, true);
1625
1626                 new Effect.Fade(elem, {duration : 0.5});
1627
1628                 // Remove the content, too
1629                 var elem_content = $("CICD-" + id);
1630                 if (elem_content) {
1631                         Element.remove(elem_content);
1632                 }
1633
1634                 if (id == getActiveArticleId()) {
1635                         setActiveArticleId(0);
1636                 }
1637
1638         } catch (e) {
1639                 exception_error("dismissArticle", e);
1640         }
1641 }
1642
1643 function dismissSelectedArticles() {
1644         try {
1645
1646                 var ids = getVisibleArticleIds();
1647                 var tmp = [];
1648                 var sel = [];
1649
1650                 for (var i = 0; i < ids.length; i++) {
1651                         var elem = $("RROW-" + ids[i]);
1652
1653                         if (elem.className && elem.hasClassName("Selected") &&
1654                                         ids[i] != getActiveArticleId()) {
1655                                 new Effect.Fade(elem, {duration : 0.5});
1656                                 sel.push(ids[i]);
1657
1658                                 // Remove the content, too
1659                                 var elem_content = $("CICD-" + ids[i]);
1660                                 if (elem_content) {
1661                                         Element.remove(elem_content);
1662                                 }
1663                         } else {
1664                                 tmp.push(ids[i]);
1665                         }
1666                 }
1667
1668                 if (sel.length > 0)
1669                         selectionToggleUnread(false);
1670
1671
1672         } catch (e) {
1673                 exception_error("dismissSelectedArticles", e);
1674         }
1675 }
1676
1677 function dismissReadArticles() {
1678         try {
1679
1680                 var ids = getVisibleArticleIds();
1681                 var tmp = [];
1682
1683                 for (var i = 0; i < ids.length; i++) {
1684                         var elem = $("RROW-" + ids[i]);
1685
1686                         if (elem.className && !elem.hasClassName("Unread") &&
1687                                         !elem.hasClassName("Selected")) {
1688
1689                                 new Effect.Fade(elem, {duration : 0.5});
1690
1691                                 // Remove the content, too
1692                                 var elem_content = $("CICD-" + ids[i]);
1693                                 if (elem_content) {
1694                                         Element.remove(elem_content);
1695                                 }
1696                         } else {
1697                                 tmp.push(ids[i]);
1698                         }
1699                 }
1700
1701         } catch (e) {
1702                 exception_error("dismissReadArticles", e);
1703         }
1704 }
1705
1706 function getVisibleArticleIds() {
1707         var ids = [];
1708
1709         try {
1710
1711                 getLoadedArticleIds().each(function(id) {
1712                         var elem = $("RROW-" + id);
1713                         if (elem && Element.visible(elem))
1714                                 ids.push(id);
1715                         });
1716
1717         } catch (e) {
1718                 exception_error("getVisibleArticleIds", e);
1719         }
1720
1721         return ids;
1722 }
1723
1724 function cdmClicked(event, id) {
1725         try {
1726                 //var shift_key = event.shiftKey;
1727
1728                 if (!event.ctrlKey) {
1729
1730                         if (!getInitParam("cdm_expanded")) {
1731                                 return cdmExpandArticle(id);
1732                         } else {
1733
1734                                 var elem = $("RROW-" + getActiveArticleId());
1735
1736                                 if (elem) elem.removeClassName("active");
1737
1738                                 selectArticles("none");
1739                                 toggleSelected(id);
1740
1741                                 var elem = $("RROW-" + id);
1742                                 var article_is_unread = elem.hasClassName("Unread");
1743
1744                                 elem.removeClassName("Unread");
1745                                 elem.addClassName("active");
1746
1747                                 setActiveArticleId(id);
1748
1749                                 if (article_is_unread) {
1750                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1751                                         updateFloatingTitle(true);
1752                                 }
1753
1754                                 var query = "?op=rpc&method=catchupSelected" +
1755                                         "&cmode=0&ids=" + param_escape(id);
1756
1757                                 new Ajax.Request("backend.php", {
1758                                         parameters: query,
1759                                         onComplete: function(transport) {
1760                                                 handle_rpc_json(transport);
1761                                         } });
1762
1763                                 return !event.shiftKey;
1764                         }
1765
1766                 } else {
1767                         toggleSelected(id, true);
1768
1769                         var elem = $("RROW-" + id);
1770                         var article_is_unread = elem.hasClassName("Unread");
1771
1772                         if (article_is_unread) {
1773                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1774                         }
1775
1776                         toggleUnread(id, 0, false);
1777
1778                         openArticleInNewWindow(id);
1779                 }
1780
1781                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1782                 request_counters(unread_in_buffer == 0);
1783
1784         } catch (e) {
1785                 exception_error("cdmClicked");
1786         }
1787
1788         return false;
1789 }
1790
1791 function hlClicked(event, id) {
1792         try {
1793                 if (event.which == 2) {
1794                         view(id);
1795                         return true;
1796                 } else if (event.ctrlKey) {
1797                         toggleSelected(id, true);
1798                         toggleUnread(id, 0, false);
1799                         openArticleInNewWindow(id);
1800                         return false;
1801                 } else {
1802                         view(id);
1803                         return false;
1804                 }
1805
1806         } catch (e) {
1807                 exception_error("hlClicked");
1808         }
1809 }
1810
1811 function getFirstVisibleHeadlineId() {
1812         var rows = getVisibleArticleIds();
1813         return rows[0];
1814
1815 }
1816
1817 function getLastVisibleHeadlineId() {
1818         var rows = getVisibleArticleIds();
1819         return rows[rows.length-1];
1820 }
1821
1822 function openArticleInNewWindow(id) {
1823         toggleUnread(id, 0, false);
1824         window.open("backend.php?op=article&method=redirect&id=" + id);
1825 }
1826
1827 function isCdmMode() {
1828         return getInitParam("combined_display_mode");
1829 }
1830
1831 function markHeadline(id, marked) {
1832         if (marked == undefined) marked = true;
1833
1834         var row = $("RROW-" + id);
1835         if (row) {
1836                 var check = dijit.getEnclosingWidget(
1837                                 row.getElementsByClassName("rchk")[0]);
1838
1839                 if (check) {
1840                         check.attr("checked", marked);
1841                 }
1842
1843                 if (marked)
1844                         row.addClassName("Selected");
1845                 else
1846                         row.removeClassName("Selected");
1847         }
1848 }
1849
1850 function getRelativePostIds(id, limit) {
1851
1852         var tmp = [];
1853
1854         try {
1855
1856                 if (!limit) limit = 6; //3
1857
1858                 var ids = getVisibleArticleIds();
1859
1860                 for (var i = 0; i < ids.length; i++) {
1861                         if (ids[i] == id) {
1862                                 for (var k = 1; k <= limit; k++) {
1863                                         //if (i > k-1) tmp.push(ids[i-k]);
1864                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1865                                 }
1866                                 break;
1867                         }
1868                 }
1869
1870         } catch (e) {
1871                 exception_error("getRelativePostIds", e);
1872         }
1873
1874         return tmp;
1875 }
1876
1877 function correctHeadlinesOffset(id) {
1878
1879         try {
1880
1881                 var container = $("headlines-frame");
1882                 var row = $("RROW-" + id);
1883
1884                 if (!container || !row) return;
1885
1886                 var viewport = container.offsetHeight;
1887
1888                 var rel_offset_top = row.offsetTop - container.scrollTop;
1889                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1890
1891                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1892                 //console.log("Vport: " + viewport);
1893
1894                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1895                         container.scrollTop = row.offsetTop;
1896                 } else if (rel_offset_bottom > viewport) {
1897
1898                         /* doesn't properly work with Opera in some cases because
1899                                 Opera fucks up element scrolling */
1900
1901                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1902                 }
1903
1904         } catch (e) {
1905                 exception_error("correctHeadlinesOffset", e);
1906         }
1907
1908 }
1909
1910 function headlineActionsChange(elem) {
1911         try {
1912                 eval(elem.value);
1913                 elem.attr('value', 'false');
1914         } catch (e) {
1915                 exception_error("headlineActionsChange", e);
1916         }
1917 }
1918
1919 function closeArticlePanel() {
1920
1921         if (dijit.byId("content-insert"))
1922                 dijit.byId("headlines-wrap-inner").removeChild(
1923                         dijit.byId("content-insert"));
1924 }
1925
1926 function initFloatingMenu() {
1927         try {
1928                 if (dijit.byId("floatingMenu"))
1929                         dijit.byId("floatingMenu").destroyRecursive();
1930
1931                         var menu = new dijit.Menu({
1932                                 id: "floatingMenu",
1933                                 targetNodeIds: ["floatingTitle"]
1934                         });
1935
1936                         var id = $("floatingTitle").getAttribute("rowid").replace("RROW-", "");
1937
1938                         headlinesMenuCommon(menu, id);
1939
1940                         menu.startup();
1941         } catch (e) {
1942                 exception_error("initFloatingMenu", e);
1943         }
1944 }
1945
1946 function headlinesMenuCommon(menu, base_id) {
1947         try {
1948
1949                 menu.addChild(new dijit.MenuItem({
1950                         label: __("Open original article"),
1951                         onClick: function(event) {
1952                                 openArticleInNewWindow(base_id ? base_id : this.getParent().callerRowId);
1953                         }}));
1954
1955                 menu.addChild(new dijit.MenuItem({
1956                         label: __("Display article URL"),
1957                         onClick: function(event) {
1958                                 displayArticleUrl(base_id ? base_id : this.getParent().callerRowId);
1959                         }}));
1960
1961                 menu.addChild(new dijit.MenuSeparator());
1962
1963                 menu.addChild(new dijit.MenuItem({
1964                         label: __("Toggle unread"),
1965                         onClick: function(event) {
1966                                 var ids = getSelectedArticleIds2();
1967                                 // cast to string
1968                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
1969                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1970
1971                                 selectionToggleUnread(undefined, false, true, ids);
1972                                 }}));
1973
1974                 menu.addChild(new dijit.MenuItem({
1975                         label: __("Toggle starred"),
1976                         onClick: function(event) {
1977                                 var ids = getSelectedArticleIds2();
1978                                 // cast to string
1979                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
1980                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1981
1982                                 selectionToggleMarked(undefined, false, true, ids);
1983                                 }}));
1984
1985                 menu.addChild(new dijit.MenuItem({
1986                         label: __("Toggle published"),
1987                         onClick: function(event) {
1988                                 var ids = getSelectedArticleIds2();
1989                                 // cast to string
1990                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
1991                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1992
1993                                 selectionTogglePublished(undefined, false, true, ids);
1994                                 }}));
1995
1996                 menu.addChild(new dijit.MenuSeparator());
1997
1998                 menu.addChild(new dijit.MenuItem({
1999                         label: __("Mark above as read"),
2000                         onClick: function(event) {
2001                                 catchupRelativeToArticle(0, base_id ? base_id : this.getParent().callerRowId);
2002                                 }}));
2003
2004                 menu.addChild(new dijit.MenuItem({
2005                         label: __("Mark below as read"),
2006                         onClick: function(event) {
2007                                 catchupRelativeToArticle(1, base_id ? base_id : this.getParent().callerRowId);
2008                                 }}));
2009
2010
2011                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
2012
2013                 if (labels) {
2014
2015                         menu.addChild(new dijit.MenuSeparator());
2016
2017                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
2018                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
2019
2020                         labels.each(function(label) {
2021                                 var id = label.id[0];
2022                                 var bare_id = id.substr(id.indexOf(":")+1);
2023                                 var name = label.name[0];
2024
2025                                 bare_id = feed_to_label_id(bare_id);
2026
2027                                 labelAddMenu.addChild(new dijit.MenuItem({
2028                                         label: name,
2029                                         labelId: bare_id,
2030                                         onClick: function(event) {
2031                                                 var ids = getSelectedArticleIds2();
2032                                                 // cast to string
2033                                                 var id = (base_id ? base_id : this.getParent().ownerMenu.callerRowId) + "";
2034
2035                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2036
2037                                                 selectionAssignLabel(this.labelId, ids);
2038                                 }}));
2039
2040                                 labelDelMenu.addChild(new dijit.MenuItem({
2041                                         label: name,
2042                                         labelId: bare_id,
2043                                         onClick: function(event) {
2044                                                 var ids = getSelectedArticleIds2();
2045                                                 // cast to string
2046                                                 var id = (base_id ? base_id : this.getParent().ownerMenu.callerRowId) + "";
2047
2048                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2049
2050                                                 selectionRemoveLabel(this.labelId, ids);
2051                                 }}));
2052
2053                         });
2054
2055                         menu.addChild(new dijit.PopupMenuItem({
2056                                 label: __("Assign label"),
2057                                 popup: labelAddMenu,
2058                         }));
2059
2060                         menu.addChild(new dijit.PopupMenuItem({
2061                                 label: __("Remove label"),
2062                                 popup: labelDelMenu,
2063                         }));
2064
2065                 }
2066
2067
2068         } catch (e) {
2069                 exception_error("headlinesMenuCommon", e);
2070         }
2071 }
2072
2073 function initHeadlinesMenu() {
2074         try {
2075                 if (dijit.byId("headlinesMenu"))
2076                         dijit.byId("headlinesMenu").destroyRecursive();
2077
2078                 var ids = [];
2079
2080                 if (!isCdmMode()) {
2081                         nodes = $$("#headlines-frame > div[id*=RROW]");
2082                 } else {
2083                         nodes = $$("#headlines-frame span[id*=RTITLE]");
2084                 }
2085
2086                 nodes.each(function(node) {
2087                         ids.push(node.id);
2088                 });
2089
2090                 var menu = new dijit.Menu({
2091                         id: "headlinesMenu",
2092                         targetNodeIds: ids,
2093                 });
2094
2095                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
2096                         var callerNode = event.target, match = null, tries = 0;
2097
2098                         while (match == null && callerNode && tries <= 3) {
2099                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2100                                 callerNode = callerNode.parentNode;
2101                                 ++tries;
2102                         }
2103
2104                         if (match) this.callerRowId = parseInt(match[1]);
2105
2106                 });
2107
2108                 headlinesMenuCommon(menu, false);
2109
2110                 menu.startup();
2111
2112                 /* vgroup feed title menu */
2113
2114                 var nodes = $$("#headlines-frame > div[class='cdmFeedTitle']");
2115                 var ids = [];
2116
2117                 nodes.each(function(node) {
2118                         ids.push(node.id);
2119                 });
2120
2121                 if (ids.length > 0) {
2122                         if (dijit.byId("headlinesFeedTitleMenu"))
2123                                 dijit.byId("headlinesFeedTitleMenu").destroyRecursive();
2124
2125                         var menu = new dijit.Menu({
2126                                 id: "headlinesFeedTitleMenu",
2127                                 targetNodeIds: ids,
2128                         });
2129
2130                         var tmph = dojo.connect(menu, '_openMyself', function (event) {
2131                                 var callerNode = event.target, match = null, tries = 0;
2132
2133                                 while (match == null && callerNode && tries <= 3) {
2134                                         console.log(callerNode.id);
2135
2136                                         match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2137                                         callerNode = callerNode.parentNode;
2138                                         ++tries;
2139
2140                                         console.log(match[1]);
2141                                 }
2142
2143                                 if (match) this.callerRowId = parseInt(match[1]);
2144
2145                         });
2146
2147                         menu.addChild(new dijit.MenuItem({
2148                                 label: __("Select articles in group"),
2149                                 onClick: function(event) {
2150                                         selectArticles("all",
2151                                                 "#headlines-frame > div[id*=RROW]"+
2152                                                 "[orig-feed-id='"+menu.callerRowId+"']");
2153
2154                                 }}));
2155
2156                         menu.addChild(new dijit.MenuItem({
2157                                 label: __("Mark group as read"),
2158                                 onClick: function(event) {
2159                                         selectArticles("none");
2160                                         selectArticles("all",
2161                                                 "#headlines-frame > div[id*=RROW]"+
2162                                                 "[orig-feed-id='"+menu.callerRowId+"']");
2163
2164                                         catchupSelection();
2165                                 }}));
2166
2167
2168                         menu.addChild(new dijit.MenuItem({
2169                                 label: __("Mark feed as read"),
2170                                 onClick: function(event) {
2171                                         catchupFeedInGroup(menu.callerRowId);
2172                                 }}));
2173
2174                         menu.startup();
2175
2176                 }
2177
2178         } catch (e) {
2179                 exception_error("initHeadlinesMenu", e);
2180         }
2181 }
2182
2183 function cache_set(id, obj) {
2184         //console.log("cache_set: " + id);
2185         if (has_storage)
2186                 try {
2187                         sessionStorage[id] = obj;
2188                 } catch (e) {
2189                         sessionStorage.clear();
2190                 }
2191 }
2192
2193 function cache_get(id) {
2194         if (has_storage)
2195                 return sessionStorage[id];
2196 }
2197
2198 function cache_clear() {
2199         if (has_storage)
2200                 sessionStorage.clear();
2201 }
2202
2203 function cache_delete(id) {
2204         if (has_storage)
2205                 sessionStorage.removeItem(id);
2206 }
2207
2208 function cancelSearch() {
2209         try {
2210                 _search_query = "";
2211                 viewCurrentFeed();
2212         } catch (e) {
2213                 exception_error("cancelSearch", e);
2214         }
2215 }
2216
2217 function setSelectionScore() {
2218         try {
2219                 var ids = getSelectedArticleIds2();
2220
2221                 if (ids.length > 0) {
2222                         console.log(ids);
2223
2224                         var score = prompt(__("Please enter new score for selected articles:"), score);
2225
2226                         if (score != undefined) {
2227                                 var query = "op=article&method=setScore&id=" + param_escape(ids.toString()) +
2228                                         "&score=" + param_escape(score);
2229
2230                                 new Ajax.Request("backend.php", {
2231                                         parameters: query,
2232                                         onComplete: function(transport) {
2233                                                 var reply = JSON.parse(transport.responseText);
2234                                                 if (reply) {
2235                                                         console.log(ids);
2236
2237                                                         ids.each(function(id) {
2238                                                                 var row = $("RROW-" + id);
2239
2240                                                                 if (row) {
2241                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2242
2243                                                                         if (pic) {
2244                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2245                                                                                         reply["score_pic"]);
2246                                                                                 pic.setAttribute("score", score);
2247                                                                         }
2248                                                                 }
2249                                                         });
2250                                                 }
2251                                         } });
2252                         }
2253
2254                 } else {
2255                         alert(__("No articles are selected."));
2256                 }
2257         } catch (e) {
2258                 exception_error("setSelectionScore", e);
2259         }
2260 }
2261
2262 function changeScore(id, pic) {
2263         try {
2264                 var score = pic.getAttribute("score");
2265
2266                 var new_score = prompt(__("Please enter new score for this article:"), score);
2267
2268                 if (new_score != undefined) {
2269
2270                         var query = "op=article&method=setScore&id=" + param_escape(id) +
2271                                 "&score=" + param_escape(new_score);
2272
2273                         new Ajax.Request("backend.php", {
2274                                 parameters: query,
2275                                 onComplete: function(transport) {
2276                                         var reply = JSON.parse(transport.responseText);
2277
2278                                         if (reply) {
2279                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2280                                                 pic.setAttribute("score", new_score);
2281                                         }
2282                                 } });
2283                 }
2284         } catch (e) {
2285                 exception_error("changeScore", e);
2286         }
2287 }
2288
2289 function displayArticleUrl(id) {
2290         try {
2291                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2292
2293                         new Ajax.Request("backend.php", {
2294                                 parameters: query,
2295                                 onComplete: function(transport) {
2296                                         var reply = JSON.parse(transport.responseText);
2297
2298                                         if (reply && reply.link) {
2299                                                 prompt(__("Article URL:"), reply.link);
2300                                         }
2301                                 } });
2302         } catch (e) {
2303                 exception_error("changeScore", e);
2304         }
2305 }
2306
2307 function openSelectedAttachment(elem) {
2308         try {
2309                 var url = elem[elem.selectedIndex].value;
2310
2311                 if (url) {
2312                         window.open(url);
2313                         elem.selectedIndex = 0;
2314                 }
2315
2316         } catch (e) {
2317                 exception_error("openSelectedAttachment", e);
2318         }
2319 }
2320
2321 function scrollToRowId(id) {
2322         try {
2323                 var row = $(id);
2324
2325                 if (row)
2326                         $("headlines-frame").scrollTop = row.offsetTop;
2327
2328         } catch (e) {
2329                 exception_error("scrollToRowId", e);
2330         }
2331 }
2332
2333 function updateFloatingTitle(unread_only) {
2334         try {
2335                 if (!isCdmMode()) return;
2336
2337                 var hf = $("headlines-frame");
2338
2339                 var elems = $$("#headlines-frame > div[id*=RROW]");
2340
2341                 for (var i = 0; i < elems.length; i++) {
2342
2343                         var child = elems[i];
2344
2345                         if (child && child.offsetTop + child.offsetHeight > hf.scrollTop) {
2346
2347                                 var header = child.getElementsByClassName("cdmHeader")[0];
2348
2349                                 if (unread_only || child.id != $("floatingTitle").getAttribute("rowid")) {
2350                                         if (child.id != $("floatingTitle").getAttribute("rowid")) {
2351                                                 $("floatingTitle").setAttribute("rowid", child.id);
2352                                                 $("floatingTitle").innerHTML = header.innerHTML;
2353                                                 $("floatingTitle").firstChild.innerHTML = "<img class='anchor markedPic' src='images/page_white_go.png' onclick=\"scrollToRowId('"+child.id+"')\">" + $("floatingTitle").firstChild.innerHTML;
2354
2355                                                 initFloatingMenu();
2356
2357                                                 var cb = $$("#floatingTitle .dijitCheckBox")[0];
2358
2359                                                 if (cb)
2360                                                         cb.parentNode.removeChild(cb);
2361                                         }
2362
2363                                         if (child.hasClassName("Unread"))
2364                                                 $("floatingTitle").addClassName("Unread");
2365                                         else
2366                                                 $("floatingTitle").removeClassName("Unread");
2367
2368                                         PluginHost.run(PluginHost.HOOK_FLOATING_TITLE, child);
2369                                 }
2370
2371                                 if (child.offsetTop < hf.scrollTop - header.offsetHeight &&
2372                                                 child.offsetTop + child.offsetHeight - hf.scrollTop > header.offsetHeight)
2373                                         Element.show("floatingTitle");
2374                                 else
2375                                         Element.hide("floatingTitle");
2376
2377                                 return;
2378
2379                         }
2380                 }
2381
2382         } catch (e) {
2383                 exception_error("updateFloatingTitle", e);
2384         }
2385 }