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 var current_first_id = 0;
  17
  18 var _catchup_request_sent = false;
  19
  20 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  21
  22 function headlines_callback2(transport, offset, background, infscroll_req) {
  23         try {
  24                 handle_rpc_json(transport);
  25
  26                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  27
  28                 var is_cat = false;
  29                 var feed_id = false;
  30
  31                 var reply = false;
  32
  33                 try {
  34                         reply = JSON.parse(transport.responseText);
  35                 } catch (e) {
  36                         console.error(e);
  37                 }
  38
  39                 if (reply) {
  40
  41                         is_cat = reply['headlines']['is_cat'];
  42                         feed_id = reply['headlines']['id'];
  43
  44                         if (background) {
  45                                 var content = reply['headlines']['content'];
  46
  47                                 content = content + "<div id='headlines-spacer'></div>";
  48                                 return;
  49                         }
  50
  51                         if (feed_id != -7 && (feed_id != getActiveFeedId() || is_cat != activeFeedIsCat()))
  52                                 return;
  53
  54                         /* dijit.getEnclosingWidget(
  55                                 document.forms["main_toolbar_form"].update).attr('disabled',
  56                                         is_cat || feed_id <= 0); */
  57
  58                         try {
  59                                 if (infscroll_req == false) {
  60                                         $("headlines-frame").scrollTop = 0;
  61
  62                                         $("floatingTitle").style.visibility = "hidden";
  63                                         $("floatingTitle").setAttribute("rowid", 0);
  64                                         $("floatingTitle").innerHTML = "";
  65                                 }
  66                         } catch (e) { };
  67
  68                         $("headlines-frame").removeClassName("cdm");
  69                         $("headlines-frame").removeClassName("normal");
  70
  71                         $("headlines-frame").addClassName(isCdmMode() ? "cdm" : "normal");
  72
  73                         var headlines_count = reply['headlines-info']['count'];
  74
  75                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  76
  77                         if (parseInt(headlines_count) < 30) {
  78                                 _infscroll_disable = 1;
  79                         } else {
  80                                 _infscroll_disable = 0;
  81                         }
  82
  83                         current_first_id = reply['headlines']['first_id'];
  84                         var counters = reply['counters'];
  85                         var articles = reply['articles'];
  86                         //var runtime_info = reply['runtime-info'];
  87
  88                         if (infscroll_req == false) {
  89                                 loaded_article_ids = [];
  90
  91                                 dojo.html.set($("headlines-toolbar"),
  92                                                 reply['headlines']['toolbar'],
  93                                                 {parseContent: true});
  94
  95                                 dojo.html.set($("headlines-frame"),
  96                                         reply['headlines']['content'],
  97                                         {parseContent: true});
  98
  99                                 $$("#headlines-frame div[id*='RROW']").each(function(row) {
 100                                         loaded_article_ids.push(row.id);
 101                                 });
 102
 103                                 var hsp = $("headlines-spacer");
 104                                 if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 105                                 dijit.byId('headlines-frame').domNode.appendChild(hsp);
 106
 107                                 initHeadlinesMenu();
 108
 109                                 if (_infscroll_disable)
 110                                         hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 111                                                 __("Click to open next unread feed.") + "</a>";
 112
 113                                 if (_search_query) {
 114                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 115                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 116                                                 "</span>";
 117                                 }
 118
 119                         } else {
 120
 121                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 122                                         console.log("adding some more headlines: " + headlines_count);
 123
 124                                         var c = dijit.byId("headlines-frame");
 125                                         var ids = getSelectedArticleIds2();
 126
 127                                         var hsp = $("headlines-spacer");
 128
 129                                         if (hsp)
 130                                                 c.domNode.removeChild(hsp);
 131
 132                                         var tmp = new Element("div");
 133                                         tmp.innerHTML = reply['headlines']['content'];
 134                                         dojo.parser.parse(tmp);
 135
 136                                         while (tmp.hasChildNodes()) {
 137                                                 var row = tmp.removeChild(tmp.firstChild);
 138
 139                                                 if (loaded_article_ids.indexOf(row.id) == -1 || row.hasClassName("cdmFeedTitle")) {
 140                                                         dijit.byId("headlines-frame").domNode.appendChild(row);
 141                                                         //Element.hide(row);
 142                                                         //new Effect.Appear(row, {duration:0.5});
 143                                                         loaded_article_ids.push(row.id);
 144                                                 }
 145                                         }
 146
 147                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 148                                         c.domNode.appendChild(hsp);
 149
 150                                         if (headlines_count < 30) _infscroll_disable = true;
 151
 152                                         console.log("restore selected ids: " + ids);
 153
 154                                         for (var i = 0; i < ids.length; i++) {
 155                                                 markHeadline(ids[i]);
 156                                         }
 157
 158                                         initHeadlinesMenu();
 159
 160                                         if (_infscroll_disable) {
 161                                                 hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 162                                                 __("Click to open next unread feed.") + "</a>";
 163                                         }
 164
 165                                 } else {
 166                                         console.log("no new headlines received");
 167
 168                                         var first_id_changed = reply['headlines']['first_id_changed'];
 169                                         console.log("first id changed:" + first_id_changed);
 170
 171                                         var hsp = $("headlines-spacer");
 172
 173                                         if (hsp) {
 174                                                 if (first_id_changed) {
 175                                                         hsp.innerHTML = "<a href='#' onclick='viewCurrentFeed()'>" +
 176                                                         __("New articles found, reload feed to continue.") + "</a>";
 177                                                 } else {
 178                                                         hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 179                                                         __("Click to open next unread feed.") + "</a>";
 180                                                 }
 181
 182                                         }
 183
 184                                 }
 185                         }
 186
 187                         if (articles) {
 188                                 for (var i = 0; i < articles.length; i++) {
 189                                         var a_id = articles[i]['id'];
 190                                         cache_set("article:" + a_id, articles[i]['content']);
 191                                 }
 192                         } else {
 193                                 console.log("no cached articles received");
 194                         }
 195
 196                         if (counters)
 197                                 parse_counters(counters);
 198                         else
 199                                 request_counters(true);
 200
 201                 } else {
 202                         console.error("Invalid object received: " + transport.responseText);
 203                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 204                                         __('Could not update headlines (invalid object received - see error console for details)') +
 205                                         "</div>");
 206                 }
 207
 208                 _infscroll_request_sent = 0;
 209                 _last_headlines_update = new Date().getTime();
 210
 211                 unpackVisibleHeadlines();
 212
 213                 // if we have some more space in the buffer, why not try to fill it
 214
 215                 if (!_infscroll_disable && $("headlines-spacer") &&
 216                                 $("headlines-spacer").offsetTop < $("headlines-frame").offsetHeight) {
 217
 218                         window.setTimeout(function() {
 219                                 loadMoreHeadlines();
 220                         }, 250);
 221                 }
 222
 223                 notify("");
 224
 225         } catch (e) {
 226                 exception_error("headlines_callback2", e, transport);
 227         }
 228 }
 229
 230 function render_article(article) {
 231         try {
 232                 dijit.byId("headlines-wrap-inner").addChild(
 233                                 dijit.byId("content-insert"));
 234
 235                 var c = dijit.byId("content-insert");
 236
 237                 try {
 238                         c.domNode.scrollTop = 0;
 239                 } catch (e) { };
 240
 241                 c.attr('content', article);
 242                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED, c.domNode);
 243
 244                 correctHeadlinesOffset(getActiveArticleId());
 245
 246                 try {
 247                         c.focus();
 248                 } catch (e) { };
 249
 250         } catch (e) {
 251                 exception_error("render_article", e);
 252         }
 253 }
 254
 255 function showArticleInHeadlines(id, noexpand) {
 256
 257         try {
 258                 selectArticles("none");
 259
 260                 var crow = $("RROW-" + id);
 261
 262                 if (!crow) return;
 263
 264                 var article_is_unread = crow.hasClassName("Unread");
 265
 266                 if (!noexpand)
 267                         crow.removeClassName("Unread");
 268                 crow.addClassName("active");
 269
 270                 selectArticles('none');
 271
 272                 var view_mode = false;
 273
 274                 try {
 275                         view_mode = document.forms['main_toolbar_form'].view_mode;
 276                         view_mode = view_mode[view_mode.selectedIndex].value;
 277                 } catch (e) {
 278                         //
 279                 }
 280
 281                 markHeadline(id);
 282
 283                 if (article_is_unread && !noexpand)
 284                         _force_scheduled_update = true;
 285
 286         } catch (e) {
 287                 exception_error("showArticleInHeadlines", e);
 288         }
 289 }
 290
 291 function article_callback2(transport, id) {
 292         try {
 293                 console.log("article_callback2 " + id);
 294
 295                 handle_rpc_json(transport);
 296
 297                 var reply = false;
 298
 299                 try {
 300                         reply = JSON.parse(transport.responseText);
 301                 } catch (e) {
 302                         console.error(e);
 303                 }
 304
 305                 if (reply) {
 306
 307                         reply.each(function(article) {
 308                                 if (getActiveArticleId() == article['id']) {
 309                                         render_article(article['content']);
 310                                 }
 311                                 cids_requested.remove(article['id']);
 312
 313                                 cache_set("article:" + article['id'], article['content']);
 314                         });
 315
 316 //                      if (id != last_requested_article) {
 317 //                              console.log("requested article id is out of sequence, aborting");
 318 //                              return;
 319 //                      }
 320
 321                 } else {
 322                         console.error("Invalid object received: " + transport.responseText);
 323
 324                         render_article("<div class='whiteBox'>" +
 325                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 326                 }
 327
 328                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 329                 request_counters(unread_in_buffer == 0);
 330
 331                 notify("");
 332         } catch (e) {
 333                 exception_error("article_callback2", e, transport);
 334         }
 335 }
 336
 337 function view(id, activefeed, noexpand) {
 338         try {
 339                 var oldrow = $("RROW-" + getActiveArticleId());
 340                 if (oldrow) oldrow.removeClassName("active");
 341
 342                 var crow = $("RROW-" + id);
 343
 344                 if (!crow) return;
 345                 if (noexpand) {
 346                         setActiveArticleId(id);
 347                         showArticleInHeadlines(id, noexpand);
 348                         return;
 349                 }
 350
 351                 console.log("loading article: " + id);
 352
 353                 var cached_article = cache_get("article:" + id);
 354
 355                 console.log("cache check result: " + (cached_article != false));
 356
 357                 var query = "?op=article&method=view&id=" + param_escape(id);
 358
 359                 var neighbor_ids = getRelativePostIds(id);
 360
 361                 /* only request uncached articles */
 362
 363                 var cids_to_request = [];
 364
 365                 for (var i = 0; i < neighbor_ids.length; i++) {
 366                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 367                                 if (!cache_get("article:" + neighbor_ids[i])) {
 368                                         cids_to_request.push(neighbor_ids[i]);
 369                                         cids_requested.push(neighbor_ids[i]);
 370                                 }
 371                 }
 372
 373                 console.log("additional ids: " + cids_to_request.toString());
 374
 375                 query = query + "&cids=" + cids_to_request.toString();
 376
 377                 var article_is_unread = crow.hasClassName("Unread");
 378
 379                 setActiveArticleId(id);
 380                 showArticleInHeadlines(id);
 381
 382                 if (cached_article && article_is_unread) {
 383
 384                         query = query + "&mode=prefetch";
 385
 386                         render_article(cached_article);
 387
 388                 } else if (cached_article) {
 389
 390                         query = query + "&mode=prefetch_old";
 391                         render_article(cached_article);
 392
 393                         // if we don't need to request any relative ids, we might as well skip
 394                         // the server roundtrip altogether
 395                         if (cids_to_request.length == 0) {
 396                                 return;
 397                         }
 398                 }
 399
 400                 last_requested_article = id;
 401
 402                 console.log(query);
 403
 404                 if (article_is_unread) {
 405                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 406                 }
 407
 408                 new Ajax.Request("backend.php", {
 409                         parameters: query,
 410                         onComplete: function(transport) {
 411                                 article_callback2(transport, id);
 412                         } });
 413
 414                 return false;
 415
 416         } catch (e) {
 417                 exception_error("view", e);
 418         }
 419 }
 420
 421 function toggleMark(id, client_only) {
 422         try {
 423                 var query = "?op=rpc&id=" + id + "&method=mark";
 424
 425                 var row = $("RROW-" + id);
 426                 if (!row) return;
 427
 428                 var imgs = [];
 429
 430                 var row_imgs = row.getElementsByClassName("markedPic");
 431
 432                 for (var i = 0; i < row_imgs.length; i++)
 433                         imgs.push(row_imgs[i]);
 434
 435                 var ft = $("floatingTitle");
 436
 437                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 438                         var fte = ft.getElementsByClassName("markedPic");
 439
 440                         for (var i = 0; i < fte.length; i++)
 441                                 imgs.push(fte[i]);
 442                 }
 443
 444                 for (i = 0; i < imgs.length; i++) {
 445                         var img = imgs[i];
 446
 447                         if (!row.hasClassName("marked")) {
 448                                 img.src = img.src.replace("mark_unset", "mark_set");
 449                                 img.alt = __("Unstar article");
 450                                 query = query + "&mark=1";
 451                         } else {
 452                                 img.src = img.src.replace("mark_set", "mark_unset");
 453                                 img.alt = __("Star article");
 454                                 query = query + "&mark=0";
 455                         }
 456                 }
 457
 458                 row.toggleClassName("marked");
 459
 460                 if (!client_only) {
 461                         new Ajax.Request("backend.php", {
 462                                 parameters: query,
 463                                 onComplete: function(transport) {
 464                                         handle_rpc_json(transport);
 465                                 } });
 466                 }
 467
 468         } catch (e) {
 469                 exception_error("toggleMark", e);
 470         }
 471 }
 472
 473 function togglePub(id, client_only, no_effects, note) {
 474         try {
 475                 var query = "?op=rpc&id=" + id + "&method=publ";
 476
 477                 if (note != undefined) {
 478                         query = query + "&note=" + param_escape(note);
 479                 } else {
 480                         query = query + "&note=undefined";
 481                 }
 482
 483                 var row = $("RROW-" + id);
 484                 if (!row) return;
 485
 486                 var imgs = [];
 487
 488                 var row_imgs = row.getElementsByClassName("pubPic");
 489
 490                 for (var i = 0; i < row_imgs.length; i++)
 491                         imgs.push(row_imgs[i]);
 492
 493                 var ft = $("floatingTitle");
 494
 495                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 496                         var fte = ft.getElementsByClassName("pubPic");
 497
 498                         for (var i = 0; i < fte.length; i++)
 499                                 imgs.push(fte[i]);
 500                 }
 501
 502                 for (i = 0; i < imgs.length; i++) {
 503                         var img = imgs[i];
 504
 505                         if (!row.hasClassName("published") || note != undefined) {
 506                                 img.src = img.src.replace("pub_unset", "pub_set");
 507                                 img.alt = __("Unpublish article");
 508                                 query = query + "&pub=1";
 509                         } else {
 510                                 img.src = img.src.replace("pub_set", "pub_unset");
 511                                 img.alt = __("Publish article");
 512                                 query = query + "&pub=0";
 513                         }
 514                 }
 515
 516                 if (note != undefined)
 517                         row.addClassName("published");
 518                 else
 519                         row.toggleClassName("published");
 520
 521                 if (!client_only) {
 522                         new Ajax.Request("backend.php", {
 523                                 parameters: query,
 524                                 onComplete: function(transport) {
 525                                         handle_rpc_json(transport);
 526                                 } });
 527                 }
 528
 529         } catch (e) {
 530                 exception_error("togglePub", e);
 531         }
 532 }
 533
 534 function moveToPost(mode, noscroll, noexpand) {
 535
 536         try {
 537
 538                 var rows = getVisibleArticleIds();
 539
 540                 var prev_id = false;
 541                 var next_id = false;
 542
 543                 if (!$('RROW-' + getActiveArticleId())) {
 544                         setActiveArticleId(0);
 545                 }
 546
 547                 if (!getActiveArticleId()) {
 548                         next_id = rows[0];
 549                         prev_id = rows[rows.length-1]
 550                 } else {
 551                         for (var i = 0; i < rows.length; i++) {
 552                                 if (rows[i] == getActiveArticleId()) {
 553
 554                                         // Account for adjacent identical article ids.
 555                                         if (i > 0) prev_id = rows[i-1];
 556
 557                                         for (var j = i+1; j < rows.length; j++) {
 558                                                 if (rows[j] != getActiveArticleId()) {
 559                                                         next_id = rows[j];
 560                                                         break;
 561                                                 }
 562                                         }
 563                                         break;
 564                                 }
 565                         }
 566                 }
 567
 568                 console.log("cur: " + getActiveArticleId() + " next: " + next_id);
 569
 570                 if (mode == "next") {
 571                         if (next_id || getActiveArticleId()) {
 572                                 if (isCdmMode()) {
 573
 574                                         var article = $("RROW-" + getActiveArticleId());
 575                                         var ctr = $("headlines-frame");
 576
 577                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 578                                                         ctr.scrollTop + ctr.offsetHeight) {
 579
 580                                                 scrollArticle(ctr.offsetHeight/4);
 581
 582                                         } else if (next_id) {
 583                                                 cdmExpandArticle(next_id, noexpand);
 584                                                 cdmScrollToArticleId(next_id, true);
 585                                         }
 586
 587                                 } else if (next_id) {
 588                                         correctHeadlinesOffset(next_id);
 589                                         view(next_id, getActiveFeedId(), noexpand);
 590                                 }
 591                         }
 592                 }
 593
 594                 if (mode == "prev") {
 595                         if (prev_id || getActiveArticleId()) {
 596                                 if (isCdmMode()) {
 597
 598                                         var article = $("RROW-" + getActiveArticleId());
 599                                         var prev_article = $("RROW-" + prev_id);
 600                                         var ctr = $("headlines-frame");
 601
 602                                         if (!getInitParam("cdm_expanded")) {
 603
 604                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 605                                                         scrollArticle(-ctr.offsetHeight/4);
 606                                                 } else {
 607                                                         cdmExpandArticle(prev_id, noexpand);
 608                                                         cdmScrollToArticleId(prev_id, true);
 609                                                 }
 610                                         } else {
 611
 612                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 613                                                         scrollArticle(-ctr.offsetHeight/3);
 614                                                 } else if (!noscroll && prev_article &&
 615                                                                 prev_article.offsetTop < ctr.scrollTop) {
 616                                                         cdmExpandArticle(prev_id, noexpand);
 617                                                         scrollArticle(-ctr.offsetHeight/4);
 618                                                 } else if (prev_id) {
 619                                                         cdmExpandArticle(prev_id, noexpand);
 620                                                         cdmScrollToArticleId(prev_id, noscroll);
 621                                                 }
 622                                         }
 623
 624                                 } else if (prev_id) {
 625                                         correctHeadlinesOffset(prev_id);
 626                                         view(prev_id, getActiveFeedId(), noexpand);
 627                                 }
 628                         }
 629                 }
 630
 631         } catch (e) {
 632                 exception_error("moveToPost", e);
 633         }
 634 }
 635
 636 function toggleSelected(id, force_on) {
 637         try {
 638                 var row = $("RROW-" + id);
 639
 640                 if (row) {
 641                         var cb = dijit.getEnclosingWidget(
 642                                         row.getElementsByClassName("rchk")[0]);
 643
 644                         if (row.hasClassName('Selected') && !force_on) {
 645                                 row.removeClassName('Selected');
 646                                 if (cb) cb.attr("checked", false);
 647                         } else {
 648                                 row.addClassName('Selected');
 649                                 if (cb) cb.attr("checked", true);
 650                         }
 651                 }
 652
 653                 updateSelectedPrompt();
 654         } catch (e) {
 655                 exception_error("toggleSelected", e);
 656         }
 657 }
 658
 659 function updateSelectedPrompt() {
 660         try {
 661                 var count = getSelectedArticleIds2().size();
 662                 var elem = $("selected_prompt");
 663
 664                 if (elem) {
 665                         elem.innerHTML = ngettext("%d article selected",
 666                                         "%d articles selected", count).replace("%d", count);
 667
 668                         if (count > 0)
 669                                 Element.show(elem);
 670                         else
 671                                 Element.hide(elem);
 672                 }
 673
 674         } catch (e) {
 675                 exception_error("updateSelectedPrompt", e);
 676         }
 677 }
 678
 679 function toggleUnread_afh(effect) {
 680         try {
 681
 682                 var elem = effect.element;
 683                 elem.style.backgroundColor = "";
 684
 685         } catch (e) {
 686                 exception_error("toggleUnread_afh", e);
 687         }
 688 }
 689
 690 function toggleUnread(id, cmode, effect) {
 691         try {
 692
 693                 var row = $("RROW-" + id);
 694                 if (row) {
 695                         var tmpClassName = row.className;
 696
 697                         if (cmode == undefined || cmode == 2) {
 698                                 if (row.hasClassName("Unread")) {
 699                                         row.removeClassName("Unread");
 700
 701                                 } else {
 702                                         row.addClassName("Unread");
 703                                 }
 704
 705                         } else if (cmode == 0) {
 706
 707                                 row.removeClassName("Unread");
 708
 709                         } else if (cmode == 1) {
 710                                 row.addClassName("Unread");
 711                         }
 712
 713                         if (cmode == undefined) cmode = 2;
 714
 715                         var query = "?op=rpc&method=catchupSelected" +
 716                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 717
 718 //                      notify_progress("Loading, please wait...");
 719
 720                         if (tmpClassName != row.className) {
 721                                 new Ajax.Request("backend.php", {
 722                                         parameters: query,
 723                                         onComplete: function (transport) {
 724                                                 handle_rpc_json(transport);
 725                                         }
 726                                 });
 727                         }
 728
 729                 }
 730
 731         } catch (e) {
 732                 exception_error("toggleUnread", e);
 733         }
 734 }
 735
 736 function selectionRemoveLabel(id, ids) {
 737         try {
 738
 739                 if (!ids) ids = getSelectedArticleIds2();
 740
 741                 if (ids.length == 0) {
 742                         alert(__("No articles are selected."));
 743                         return;
 744                 }
 745
 746                 var query = "?op=article&method=removeFromLabel&ids=" +
 747                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 748
 749                 console.log(query);
 750
 751                 new Ajax.Request("backend.php", {
 752                         parameters: query,
 753                         onComplete: function(transport) {
 754                                 handle_rpc_json(transport);
 755                                 show_labels_in_headlines(transport);
 756                         } });
 757
 758         } catch (e) {
 759                 exception_error("selectionAssignLabel", e);
 760
 761         }
 762 }
 763
 764 function selectionAssignLabel(id, ids) {
 765         try {
 766
 767                 if (!ids) ids = getSelectedArticleIds2();
 768
 769                 if (ids.length == 0) {
 770                         alert(__("No articles are selected."));
 771                         return;
 772                 }
 773
 774                 var query = "?op=article&method=assignToLabel&ids=" +
 775                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 776
 777                 console.log(query);
 778
 779                 new Ajax.Request("backend.php", {
 780                         parameters: query,
 781                         onComplete: function(transport) {
 782                                 handle_rpc_json(transport);
 783                                 show_labels_in_headlines(transport);
 784                         } });
 785
 786         } catch (e) {
 787                 exception_error("selectionAssignLabel", e);
 788
 789         }
 790 }
 791
 792 function selectionToggleUnread(set_state, callback, no_error, ids) {
 793         try {
 794                 var rows = ids ? ids : getSelectedArticleIds2();
 795
 796                 if (rows.length == 0 && !no_error) {
 797                         alert(__("No articles are selected."));
 798                         return;
 799                 }
 800
 801                 for (var i = 0; i < rows.length; i++) {
 802                         var row = $("RROW-" + rows[i]);
 803                         if (row) {
 804                                 if (set_state == undefined) {
 805                                         if (row.hasClassName("Unread")) {
 806                                                 row.removeClassName("Unread");
 807                                         } else {
 808                                                 row.addClassName("Unread");
 809                                         }
 810                                 }
 811
 812                                 if (set_state == false) {
 813                                         row.removeClassName("Unread");
 814                                 }
 815
 816                                 if (set_state == true) {
 817                                         row.addClassName("Unread");
 818                                 }
 819                         }
 820                 }
 821
 822                 updateFloatingTitle(true);
 823
 824                 if (rows.length > 0) {
 825
 826                         var cmode = "";
 827
 828                         if (set_state == undefined) {
 829                                 cmode = "2";
 830                         } else if (set_state == true) {
 831                                 cmode = "1";
 832                         } else if (set_state == false) {
 833                                 cmode = "0";
 834                         }
 835
 836                         var query = "?op=rpc&method=catchupSelected" +
 837                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 838
 839                         notify_progress("Loading, please wait...");
 840
 841                         new Ajax.Request("backend.php", {
 842                                 parameters: query,
 843                                 onComplete: function(transport) {
 844                                         handle_rpc_json(transport);
 845                                         if (callback) callback(transport);
 846                                 } });
 847
 848                 }
 849
 850         } catch (e) {
 851                 exception_error("selectionToggleUnread", e);
 852         }
 853 }
 854
 855 // sel_state ignored
 856 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 857         try {
 858
 859                 var rows = ids ? ids : getSelectedArticleIds2();
 860
 861                 if (rows.length == 0 && !no_error) {
 862                         alert(__("No articles are selected."));
 863                         return;
 864                 }
 865
 866                 for (var i = 0; i < rows.length; i++) {
 867                         toggleMark(rows[i], true, true);
 868                 }
 869
 870                 if (rows.length > 0) {
 871
 872                         var query = "?op=rpc&method=markSelected&ids=" +
 873                                 param_escape(rows.toString()) + "&cmode=2";
 874
 875                         new Ajax.Request("backend.php", {
 876                                 parameters: query,
 877                                 onComplete: function(transport) {
 878                                         handle_rpc_json(transport);
 879                                         if (callback) callback(transport);
 880                                 } });
 881
 882                 }
 883
 884         } catch (e) {
 885                 exception_error("selectionToggleMarked", e);
 886         }
 887 }
 888
 889 // sel_state ignored
 890 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 891         try {
 892
 893                 var rows = ids ? ids : getSelectedArticleIds2();
 894
 895                 if (rows.length == 0 && !no_error) {
 896                         alert(__("No articles are selected."));
 897                         return;
 898                 }
 899
 900                 for (var i = 0; i < rows.length; i++) {
 901                         togglePub(rows[i], true, true);
 902                 }
 903
 904                 if (rows.length > 0) {
 905
 906                         var query = "?op=rpc&method=publishSelected&ids=" +
 907                                 param_escape(rows.toString()) + "&cmode=2";
 908
 909                         new Ajax.Request("backend.php", {
 910                                 parameters: query,
 911                                 onComplete: function(transport) {
 912                                         handle_rpc_json(transport);
 913                                 } });
 914
 915                 }
 916
 917         } catch (e) {
 918                 exception_error("selectionToggleMarked", e);
 919         }
 920 }
 921
 922 function getSelectedArticleIds2() {
 923
 924         var rv = [];
 925
 926         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 927                 function(child) {
 928                         rv.push(child.id.replace("RROW-", ""));
 929                 });
 930
 931         return rv;
 932 }
 933
 934 function getLoadedArticleIds() {
 935         var rv = [];
 936
 937         var children = $$("#headlines-frame > div[id*=RROW-]");
 938
 939         children.each(function(child) {
 940                         rv.push(child.id.replace("RROW-", ""));
 941                 });
 942
 943         return rv;
 944
 945 }
 946
 947 // mode = all,none,unread,invert,marked,published
 948 function selectArticles(mode, query) {
 949         try {
 950
 951                 if (!query) query = "#headlines-frame > div[id*=RROW]";
 952
 953                 var children = $$(query);
 954
 955                 children.each(function(child) {
 956                         var id = child.id.replace("RROW-", "");
 957
 958                         var cb = dijit.getEnclosingWidget(
 959                                         child.getElementsByClassName("rchk")[0]);
 960
 961                         if (mode == "all") {
 962                                 child.addClassName("Selected");
 963                                 if (cb) cb.attr("checked", true);
 964                         } else if (mode == "unread") {
 965                                 if (child.hasClassName("Unread")) {
 966                                         child.addClassName("Selected");
 967                                         if (cb) cb.attr("checked", true);
 968                                 } else {
 969                                         child.removeClassName("Selected");
 970                                         if (cb) cb.attr("checked", false);
 971                                 }
 972                         } else if (mode == "marked") {
 973                                 if (child.hasClassName("marked")) {
 974                                         child.addClassName("Selected");
 975                                         if (cb) cb.attr("checked", true);
 976                                 } else {
 977                                         child.removeClassName("Selected");
 978                                         if (cb) cb.attr("checked", false);
 979                                 }
 980                         } else if (mode == "published") {
 981                                 if (child.hasClassName("published")) {
 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
 989                         } else if (mode == "invert") {
 990                                 if (child.hasClassName("Selected")) {
 991                                         child.removeClassName("Selected");
 992                                         if (cb) cb.attr("checked", false);
 993                                 } else {
 994                                         child.addClassName("Selected");
 995                                         if (cb) cb.attr("checked", true);
 996                                 }
 997
 998                         } else {
 999                                 child.removeClassName("Selected");
1000                                 if (cb) cb.attr("checked", false);
1001                         }
1002                 });
1003
1004                 updateSelectedPrompt();
1005
1006         } catch (e) {
1007                 exception_error("selectArticles", e);
1008         }
1009 }
1010
1011 function deleteSelection() {
1012
1013         try {
1014
1015                 var rows = getSelectedArticleIds2();
1016
1017                 if (rows.length == 0) {
1018                         alert(__("No articles are selected."));
1019                         return;
1020                 }
1021
1022                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1023                 var str;
1024
1025                 if (getActiveFeedId() != 0) {
1026                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
1027                 } else {
1028                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
1029                 }
1030
1031                 str = str.replace("%d", rows.length);
1032                 str = str.replace("%s", fn);
1033
1034                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1035                         return;
1036                 }
1037
1038                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
1039
1040                 console.log(query);
1041
1042                 new Ajax.Request("backend.php", {
1043                         parameters: query,
1044                         onComplete: function(transport) {
1045                                         handle_rpc_json(transport);
1046                                         viewCurrentFeed();
1047                                 } });
1048
1049         } catch (e) {
1050                 exception_error("deleteSelection", e);
1051         }
1052 }
1053
1054 function archiveSelection() {
1055
1056         try {
1057
1058                 var rows = getSelectedArticleIds2();
1059
1060                 if (rows.length == 0) {
1061                         alert(__("No articles are selected."));
1062                         return;
1063                 }
1064
1065                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1066                 var str;
1067                 var op;
1068
1069                 if (getActiveFeedId() != 0) {
1070                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1071                         op = "archive";
1072                 } else {
1073                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1074
1075                         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
1076
1077                         op = "unarchive";
1078                 }
1079
1080                 str = str.replace("%d", rows.length);
1081                 str = str.replace("%s", fn);
1082
1083                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1084                         return;
1085                 }
1086
1087                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1088
1089                 console.log(query);
1090
1091                 for (var i = 0; i < rows.length; i++) {
1092                         cache_delete("article:" + rows[i]);
1093                 }
1094
1095                 new Ajax.Request("backend.php", {
1096                         parameters: query,
1097                         onComplete: function(transport) {
1098                                         handle_rpc_json(transport);
1099                                         viewCurrentFeed();
1100                                 } });
1101
1102         } catch (e) {
1103                 exception_error("archiveSelection", e);
1104         }
1105 }
1106
1107 function catchupSelection() {
1108
1109         try {
1110
1111                 var rows = getSelectedArticleIds2();
1112
1113                 if (rows.length == 0) {
1114                         alert(__("No articles are selected."));
1115                         return;
1116                 }
1117
1118                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1119
1120                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1121
1122                 str = str.replace("%d", rows.length);
1123                 str = str.replace("%s", fn);
1124
1125                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1126                         return;
1127                 }
1128
1129                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1130
1131         } catch (e) {
1132                 exception_error("catchupSelection", e);
1133         }
1134 }
1135
1136 function editArticleTags(id) {
1137                 var query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
1138
1139                 if (dijit.byId("editTagsDlg"))
1140                         dijit.byId("editTagsDlg").destroyRecursive();
1141
1142                 dialog = new dijit.Dialog({
1143                         id: "editTagsDlg",
1144                         title: __("Edit article Tags"),
1145                         style: "width: 600px",
1146                         execute: function() {
1147                                 if (this.validate()) {
1148                                         var query = dojo.objectToQuery(this.attr('value'));
1149
1150                                         notify_progress("Saving article tags...", true);
1151
1152                                         new Ajax.Request("backend.php", {
1153                                         parameters: query,
1154                                         onComplete: function(transport) {
1155                                                 try {
1156                                                         notify('');
1157                                                         dialog.hide();
1158
1159                                                         var data = JSON.parse(transport.responseText);
1160
1161                                                         if (data) {
1162                                                                 var id = data.id;
1163
1164                                                                 console.log(id);
1165
1166                                                                 var tags = $("ATSTR-" + id);
1167                                                                 var tooltip = dijit.byId("ATSTRTIP-" + id);
1168
1169                                                                 if (tags) tags.innerHTML = data.content;
1170                                                                 if (tooltip) tooltip.attr('label', data.content_full);
1171                                                         }
1172                                                 } catch (e) {
1173                                                         exception_error("editArticleTags/inner", e);
1174                                                 }
1175
1176                                         }});
1177                                 }
1178                         },
1179                         href: query
1180                 });
1181
1182                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1183                 dojo.disconnect(tmph);
1184
1185                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1186                            "backend.php?op=article&method=completeTags",
1187                            { tokens: ',', paramName: "search" });
1188                 });
1189
1190                 dialog.show();
1191
1192 }
1193
1194 function cdmScrollToArticleId(id, force) {
1195         try {
1196                 var ctr = $("headlines-frame");
1197                 var e = $("RROW-" + id);
1198
1199                 if (!e || !ctr) return;
1200
1201                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1202                                 e.offsetTop < ctr.scrollTop) {
1203
1204                         // expanded cdm has a 4px margin now
1205                         ctr.scrollTop = parseInt(e.offsetTop) - 4;
1206                 }
1207
1208         } catch (e) {
1209                 exception_error("cdmScrollToArticleId", e);
1210         }
1211 }
1212
1213 function setActiveArticleId(id) {
1214         console.log("setActiveArticleId:" + id);
1215
1216         _active_article_id = id;
1217         PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
1218 }
1219
1220 function getActiveArticleId() {
1221         return _active_article_id;
1222 }
1223
1224 function postMouseIn(e, id) {
1225         post_under_pointer = id;
1226 }
1227
1228 function postMouseOut(id) {
1229         post_under_pointer = false;
1230 }
1231
1232 function unpackVisibleHeadlines() {
1233         try {
1234                 if (!isCdmMode() || !getInitParam("cdm_expanded")) return;
1235
1236                 $$("#headlines-frame > div[id*=RROW]").each(
1237                         function(child) {
1238                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1239                                         $("headlines-frame").offsetHeight) {
1240
1241                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1242
1243                                         if (cencw) {
1244                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1245                                                 cencw.setAttribute('id', '');
1246
1247                                                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED_CDM, child);
1248
1249                                                 Element.show(cencw);
1250                                         }
1251                                 }
1252                         }
1253                 );
1254
1255         } catch (e) {
1256                 exception_error("unpackVisibleHeadlines", e);
1257         }
1258 }
1259
1260 function headlines_scroll_handler(e) {
1261         try {
1262                 var hsp = $("headlines-spacer");
1263
1264                 unpackVisibleHeadlines();
1265
1266                 // set topmost child in the buffer as active
1267                 if (isCdmMode() && getInitParam("cdm_auto_catchup") == 1 &&
1268                                 getSelectedArticleIds2().length <= 1 &&
1269                                 getInitParam("cdm_expanded")) {
1270                         var rows = $$("#headlines-frame > div[id*=RROW]");
1271
1272                         for (var i = 0; i < rows.length; i++) {
1273                                 var child = rows[i];
1274
1275                                 if ($("headlines-frame").scrollTop <= child.offsetTop &&
1276                                         child.offsetTop - $("headlines-frame").scrollTop < 100 &&
1277                                         child.id.replace("RROW-", "") != _active_article_id) {
1278
1279                                         if (_active_article_id) {
1280                                                 var row = $("RROW-" + _active_article_id);
1281                                                 if (row) row.removeClassName("active");
1282                                         }
1283
1284                                         _active_article_id = child.id.replace("RROW-", "");
1285                                         showArticleInHeadlines(_active_article_id, true);
1286                                         updateSelectedPrompt();
1287                                         break;
1288                                 }
1289                         }
1290                 }
1291
1292                 if (!_infscroll_disable) {
1293                         if (hsp && hsp.offsetTop - 250 <= e.scrollTop + e.offsetHeight) {
1294
1295                                 hsp.innerHTML = "<span class='loading'><img src='images/indicator_tiny.gif'> " +
1296                                         __("Loading, please wait...") + "</span>";
1297
1298                                 loadMoreHeadlines();
1299                                 return;
1300
1301                         }
1302                 }
1303
1304                 if (isCdmMode()) {
1305                         updateFloatingTitle();
1306                 }
1307
1308                 catchupCurrentBatchIfNeeded();
1309
1310                 if (getInitParam("cdm_auto_catchup") == 1) {
1311
1312                         // let's get DOM some time to settle down
1313                         var ts = new Date().getTime();
1314                         if (ts - _last_headlines_update < 100) return;
1315
1316                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1317                                 function(child) {
1318                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1319                                                         (child.offsetTop + child.offsetHeight/2)) {
1320
1321                                                 var id = child.id.replace("RROW-", "");
1322
1323                                                 if (catchup_id_batch.indexOf(id) == -1)
1324                                                         catchup_id_batch.push(id);
1325
1326                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1327                                         }
1328
1329                                 });
1330
1331                         if (_infscroll_disable) {
1332                                 var child = $$("#headlines-frame div[id*=RROW]").last();
1333
1334                                 if (child && $("headlines-frame").scrollTop >
1335                                                 (child.offsetTop + child.offsetHeight - 50)) {
1336
1337                                         console.log("we seem to be at an end");
1338
1339                                         if (getInitParam("on_catchup_show_next_feed") == "1") {
1340                                                 openNextUnreadFeed();
1341                                         }
1342                                 }
1343                         }
1344                 }
1345
1346         } catch (e) {
1347                 console.warn("headlines_scroll_handler: " + e);
1348         }
1349 }
1350
1351 function openNextUnreadFeed() {
1352         try {
1353                 var is_cat = activeFeedIsCat();
1354                 var nuf = getNextUnreadFeed(getActiveFeedId(), is_cat);
1355                 if (nuf) viewfeed(nuf, '', is_cat);
1356         } catch (e) {
1357                 exception_error("openNextUnreadFeed", e);
1358         }
1359 }
1360
1361 function catchupBatchedArticles() {
1362         try {
1363                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent && !_catchup_request_sent) {
1364
1365                         console.log("catchupBatchedArticles: working");
1366
1367                         // make a copy of the array
1368                         var batch = catchup_id_batch.slice();
1369                         var query = "?op=rpc&method=catchupSelected" +
1370                                 "&cmode=0&ids=" + param_escape(batch.toString());
1371
1372                         console.log(query);
1373
1374                         _catchup_request_sent = true;
1375
1376                         new Ajax.Request("backend.php", {
1377                                 parameters: query,
1378                                 onComplete: function(transport) {
1379                                         handle_rpc_json(transport);
1380
1381                                         _catchup_request_sent = false;
1382
1383                                         reply = JSON.parse(transport.responseText);
1384                                         var batch = reply.ids;
1385
1386                                         batch.each(function(id) {
1387                                                 console.log(id);
1388                                                 var elem = $("RROW-" + id);
1389                                                 if (elem) elem.removeClassName("Unread");
1390                                                 catchup_id_batch.remove(id);
1391                                         });
1392
1393                                         updateFloatingTitle(true);
1394
1395                                 } });
1396                 }
1397
1398         } catch (e) {
1399                 exception_error("catchupBatchedArticles", e);
1400         }
1401 }
1402
1403 function catchupRelativeToArticle(below, id) {
1404
1405         try {
1406
1407                 if (!id) id = getActiveArticleId();
1408
1409                 if (!id) {
1410                         alert(__("No article is selected."));
1411                         return;
1412                 }
1413
1414                 var visible_ids = getVisibleArticleIds();
1415
1416                 var ids_to_mark = new Array();
1417
1418                 if (!below) {
1419                         for (var i = 0; i < visible_ids.length; i++) {
1420                                 if (visible_ids[i] != id) {
1421                                         var e = $("RROW-" + visible_ids[i]);
1422
1423                                         if (e && e.hasClassName("Unread")) {
1424                                                 ids_to_mark.push(visible_ids[i]);
1425                                         }
1426                                 } else {
1427                                         break;
1428                                 }
1429                         }
1430                 } else {
1431                         for (var i = visible_ids.length-1; i >= 0; i--) {
1432                                 if (visible_ids[i] != id) {
1433                                         var e = $("RROW-" + visible_ids[i]);
1434
1435                                         if (e && e.hasClassName("Unread")) {
1436                                                 ids_to_mark.push(visible_ids[i]);
1437                                         }
1438                                 } else {
1439                                         break;
1440                                 }
1441                         }
1442                 }
1443
1444                 if (ids_to_mark.length == 0) {
1445                         alert(__("No articles found to mark"));
1446                 } else {
1447                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1448
1449                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1450
1451                                 for (var i = 0; i < ids_to_mark.length; i++) {
1452                                         var e = $("RROW-" + ids_to_mark[i]);
1453                                         e.removeClassName("Unread");
1454                                 }
1455
1456                                 var query = "?op=rpc&method=catchupSelected" +
1457                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1458
1459                                 new Ajax.Request("backend.php", {
1460                                         parameters: query,
1461                                         onComplete: function(transport) {
1462                                                 handle_rpc_json(transport);
1463                                         } });
1464
1465                         }
1466                 }
1467
1468         } catch (e) {
1469                 exception_error("catchupRelativeToArticle", e);
1470         }
1471 }
1472
1473 function cdmCollapseArticle(event, id, unmark) {
1474         try {
1475                 if (unmark == undefined) unmark = true;
1476
1477                 var row = $("RROW-" + id);
1478                 var elem = $("CICD-" + id);
1479
1480                 if (elem && row) {
1481                         var collapse = $$("div#RROW-" + id +
1482                                 " span[class='collapseBtn']")[0];
1483
1484                         Element.hide(elem);
1485                         Element.show("CEXC-" + id);
1486                         Element.hide(collapse);
1487
1488                         if (unmark) {
1489                                 row.removeClassName("active");
1490
1491                                 markHeadline(id, false);
1492
1493                                 if (id == getActiveArticleId()) {
1494                                         setActiveArticleId(0);
1495                                 }
1496
1497                                 updateSelectedPrompt();
1498                         }
1499
1500                         if (event) Event.stop(event);
1501
1502                         PluginHost.run(PluginHost.HOOK_ARTICLE_COLLAPSED, id);
1503
1504                         if (row.offsetTop < $("headlines-frame").scrollTop)
1505                                 scrollToRowId(row.id);
1506
1507                         $("floatingTitle").style.visibility = "hidden";
1508                         $("floatingTitle").setAttribute("rowid", false);
1509                 }
1510
1511         } catch (e) {
1512                 exception_error("cdmCollapseArticle", e);
1513         }
1514 }
1515
1516 function cdmExpandArticle(id, noexpand) {
1517         try {
1518                 console.log("cdmExpandArticle " + id);
1519
1520                 if (!$("RROW-" + id)) return false;
1521
1522                 var oldrow = $("RROW-" + getActiveArticleId());
1523
1524                 var elem = $("CICD-" + getActiveArticleId());
1525
1526                 if (id == getActiveArticleId() && Element.visible(elem))
1527                         return true;
1528
1529                 selectArticles("none");
1530
1531                 var old_offset = $("RROW-" + id).offsetTop;
1532
1533                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1534                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1535                                 " span[class='collapseBtn']")[0];
1536
1537                         Element.hide(elem);
1538                         Element.show("CEXC-" + getActiveArticleId());
1539                         Element.hide(collapse);
1540                 }
1541
1542                 if (oldrow) oldrow.removeClassName("active");
1543
1544                 setActiveArticleId(id);
1545
1546                 elem = $("CICD-" + id);
1547
1548                 var collapse = $$("div#RROW-" + id +
1549                                 " span[class='collapseBtn']")[0];
1550
1551                 var cencw = $("CENCW-" + id);
1552
1553                 if (!Element.visible(elem) && !noexpand) {
1554                         if (cencw) {
1555                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1556                                 cencw.setAttribute('id', '');
1557                                 Element.show(cencw);
1558                         }
1559
1560                         Element.show(elem);
1561                         Element.hide("CEXC-" + id);
1562                         Element.show(collapse);
1563                 }
1564
1565                 var new_offset = $("RROW-" + id).offsetTop;
1566
1567                 if (old_offset > new_offset)
1568                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1569
1570                 if (!noexpand) {
1571                         if (catchup_id_batch.indexOf(id) == -1)
1572                                 catchup_id_batch.push(id);
1573
1574                         catchupCurrentBatchIfNeeded();
1575                 }
1576
1577                 toggleSelected(id);
1578                 $("RROW-" + id).addClassName("active");
1579
1580                 PluginHost.run(PluginHost.HOOK_ARTICLE_EXPANDED, id);
1581
1582         } catch (e) {
1583                 exception_error("cdmExpandArticle", e);
1584         }
1585
1586         return false;
1587 }
1588
1589 function getArticleUnderPointer() {
1590         return post_under_pointer;
1591 }
1592
1593 function scrollArticle(offset) {
1594         try {
1595                 if (!isCdmMode()) {
1596                         var ci = $("content-insert");
1597                         if (ci) {
1598                                 ci.scrollTop += offset;
1599                         }
1600                 } else {
1601                         var hi = $("headlines-frame");
1602                         if (hi) {
1603                                 hi.scrollTop += offset;
1604                         }
1605
1606                 }
1607         } catch (e) {
1608                 exception_error("scrollArticle", e);
1609         }
1610 }
1611
1612 function show_labels_in_headlines(transport) {
1613         try {
1614                 var data = JSON.parse(transport.responseText);
1615
1616                 if (data) {
1617                         data['info-for-headlines'].each(function(elem) {
1618                                 $$(".HLLCTR-" + elem.id).each(function(ctr) {
1619                                         ctr.innerHTML = elem.labels;
1620                                 });
1621                         });
1622                 }
1623         } catch (e) {
1624                 exception_error("show_labels_in_headlines", e);
1625         }
1626 }
1627
1628 function dismissArticle(id) {
1629         try {
1630                 var elem = $("RROW-" + id);
1631
1632                 if (!elem) return;
1633
1634                 toggleUnread(id, 0, true);
1635
1636                 new Effect.Fade(elem, {duration : 0.5});
1637
1638                 // Remove the content, too
1639                 var elem_content = $("CICD-" + id);
1640                 if (elem_content) {
1641                         Element.remove(elem_content);
1642                 }
1643
1644                 if (id == getActiveArticleId()) {
1645                         setActiveArticleId(0);
1646                 }
1647
1648         } catch (e) {
1649                 exception_error("dismissArticle", e);
1650         }
1651 }
1652
1653 function dismissSelectedArticles() {
1654         try {
1655
1656                 var ids = getVisibleArticleIds();
1657                 var tmp = [];
1658                 var sel = [];
1659
1660                 for (var i = 0; i < ids.length; i++) {
1661                         var elem = $("RROW-" + ids[i]);
1662
1663                         if (elem.className && elem.hasClassName("Selected") &&
1664                                         ids[i] != getActiveArticleId()) {
1665                                 new Effect.Fade(elem, {duration : 0.5});
1666                                 sel.push(ids[i]);
1667
1668                                 // Remove the content, too
1669                                 var elem_content = $("CICD-" + ids[i]);
1670                                 if (elem_content) {
1671                                         Element.remove(elem_content);
1672                                 }
1673                         } else {
1674                                 tmp.push(ids[i]);
1675                         }
1676                 }
1677
1678                 if (sel.length > 0)
1679                         selectionToggleUnread(false);
1680
1681
1682         } catch (e) {
1683                 exception_error("dismissSelectedArticles", e);
1684         }
1685 }
1686
1687 function dismissReadArticles() {
1688         try {
1689
1690                 var ids = getVisibleArticleIds();
1691                 var tmp = [];
1692
1693                 for (var i = 0; i < ids.length; i++) {
1694                         var elem = $("RROW-" + ids[i]);
1695
1696                         if (elem.className && !elem.hasClassName("Unread") &&
1697                                         !elem.hasClassName("Selected")) {
1698
1699                                 new Effect.Fade(elem, {duration : 0.5});
1700
1701                                 // Remove the content, too
1702                                 var elem_content = $("CICD-" + ids[i]);
1703                                 if (elem_content) {
1704                                         Element.remove(elem_content);
1705                                 }
1706                         } else {
1707                                 tmp.push(ids[i]);
1708                         }
1709                 }
1710
1711         } catch (e) {
1712                 exception_error("dismissReadArticles", e);
1713         }
1714 }
1715
1716 // we don't really hide rows anymore
1717 function getVisibleArticleIds() {
1718         return getLoadedArticleIds();
1719
1720         /*var ids = [];
1721
1722         try {
1723
1724                 getLoadedArticleIds().each(function(id) {
1725                         var elem = $("RROW-" + id);
1726                         if (elem && Element.visible(elem))
1727                                 ids.push(id);
1728                         });
1729
1730         } catch (e) {
1731                 exception_error("getVisibleArticleIds", e);
1732         }
1733
1734         return ids; */
1735 }
1736
1737 function cdmClicked(event, id) {
1738         try {
1739                 //var shift_key = event.shiftKey;
1740
1741                 if (!event.ctrlKey) {
1742
1743                         if (!getInitParam("cdm_expanded")) {
1744                                 return cdmExpandArticle(id);
1745                         } else {
1746
1747                                 var elem = $("RROW-" + getActiveArticleId());
1748
1749                                 if (elem) elem.removeClassName("active");
1750
1751                                 selectArticles("none");
1752                                 toggleSelected(id);
1753
1754                                 var elem = $("RROW-" + id);
1755                                 var article_is_unread = elem.hasClassName("Unread");
1756
1757                                 elem.removeClassName("Unread");
1758                                 elem.addClassName("active");
1759
1760                                 setActiveArticleId(id);
1761
1762                                 if (article_is_unread) {
1763                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1764                                         updateFloatingTitle(true);
1765                                 }
1766
1767                                 var query = "?op=rpc&method=catchupSelected" +
1768                                         "&cmode=0&ids=" + param_escape(id);
1769
1770                                 new Ajax.Request("backend.php", {
1771                                         parameters: query,
1772                                         onComplete: function(transport) {
1773                                                 handle_rpc_json(transport);
1774                                         } });
1775
1776                                 return !event.shiftKey;
1777                         }
1778
1779                 } else if (event.target.parents(".cdmHeader").length > 0) {
1780
1781                         toggleSelected(id, true);
1782
1783                         var elem = $("RROW-" + id);
1784                         var article_is_unread = elem.hasClassName("Unread");
1785
1786                         if (article_is_unread) {
1787                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1788                         }
1789
1790                         toggleUnread(id, 0, false);
1791
1792                         openArticleInNewWindow(id);
1793                 }
1794
1795                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1796                 request_counters(unread_in_buffer == 0);
1797
1798         } catch (e) {
1799                 exception_error("cdmClicked");
1800         }
1801
1802         return false;
1803 }
1804
1805 function hlClicked(event, id) {
1806         try {
1807                 if (event.which == 2) {
1808                         view(id);
1809                         return true;
1810                 } else if (event.ctrlKey) {
1811                         toggleSelected(id, true);
1812                         toggleUnread(id, 0, false);
1813                         openArticleInNewWindow(id);
1814                         return false;
1815                 } else {
1816                         view(id);
1817                         return false;
1818                 }
1819
1820         } catch (e) {
1821                 exception_error("hlClicked");
1822         }
1823 }
1824
1825 function getFirstVisibleHeadlineId() {
1826         var rows = getVisibleArticleIds();
1827         return rows[0];
1828
1829 }
1830
1831 function getLastVisibleHeadlineId() {
1832         var rows = getVisibleArticleIds();
1833         return rows[rows.length-1];
1834 }
1835
1836 function openArticleInNewWindow(id) {
1837         toggleUnread(id, 0, false);
1838         window.open("backend.php?op=article&method=redirect&id=" + id);
1839 }
1840
1841 function isCdmMode() {
1842         return getInitParam("combined_display_mode");
1843 }
1844
1845 function markHeadline(id, marked) {
1846         if (marked == undefined) marked = true;
1847
1848         var row = $("RROW-" + id);
1849         if (row) {
1850                 var check = dijit.getEnclosingWidget(
1851                                 row.getElementsByClassName("rchk")[0]);
1852
1853                 if (check) {
1854                         check.attr("checked", marked);
1855                 }
1856
1857                 if (marked)
1858                         row.addClassName("Selected");
1859                 else
1860                         row.removeClassName("Selected");
1861         }
1862 }
1863
1864 function getRelativePostIds(id, limit) {
1865
1866         var tmp = [];
1867
1868         try {
1869
1870                 if (!limit) limit = 6; //3
1871
1872                 var ids = getVisibleArticleIds();
1873
1874                 for (var i = 0; i < ids.length; i++) {
1875                         if (ids[i] == id) {
1876                                 for (var k = 1; k <= limit; k++) {
1877                                         //if (i > k-1) tmp.push(ids[i-k]);
1878                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1879                                 }
1880                                 break;
1881                         }
1882                 }
1883
1884         } catch (e) {
1885                 exception_error("getRelativePostIds", e);
1886         }
1887
1888         return tmp;
1889 }
1890
1891 function correctHeadlinesOffset(id) {
1892
1893         try {
1894
1895                 var container = $("headlines-frame");
1896                 var row = $("RROW-" + id);
1897
1898                 if (!container || !row) return;
1899
1900                 var viewport = container.offsetHeight;
1901
1902                 var rel_offset_top = row.offsetTop - container.scrollTop;
1903                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1904
1905                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1906                 //console.log("Vport: " + viewport);
1907
1908                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1909                         container.scrollTop = row.offsetTop;
1910                 } else if (rel_offset_bottom > viewport) {
1911
1912                         /* doesn't properly work with Opera in some cases because
1913                                 Opera fucks up element scrolling */
1914
1915                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1916                 }
1917
1918         } catch (e) {
1919                 exception_error("correctHeadlinesOffset", e);
1920         }
1921
1922 }
1923
1924 function headlineActionsChange(elem) {
1925         try {
1926                 eval(elem.value);
1927                 elem.attr('value', 'false');
1928         } catch (e) {
1929                 exception_error("headlineActionsChange", e);
1930         }
1931 }
1932
1933 function closeArticlePanel() {
1934
1935         if (dijit.byId("content-insert"))
1936                 dijit.byId("headlines-wrap-inner").removeChild(
1937                         dijit.byId("content-insert"));
1938 }
1939
1940 function initFloatingMenu() {
1941         try {
1942                 if (dijit.byId("floatingMenu"))
1943                         dijit.byId("floatingMenu").destroyRecursive();
1944
1945                         var menu = new dijit.Menu({
1946                                 id: "floatingMenu",
1947                                 targetNodeIds: ["floatingTitle"]
1948                         });
1949
1950                         var id = $("floatingTitle").getAttribute("rowid").replace("RROW-", "");
1951
1952                         headlinesMenuCommon(menu, id);
1953
1954                         menu.startup();
1955         } catch (e) {
1956                 exception_error("initFloatingMenu", e);
1957         }
1958 }
1959
1960 function headlinesMenuCommon(menu, base_id) {
1961         try {
1962
1963                 menu.addChild(new dijit.MenuItem({
1964                         label: __("Open original article"),
1965                         onClick: function(event) {
1966                                 openArticleInNewWindow(base_id ? base_id : this.getParent().callerRowId);
1967                         }}));
1968
1969                 menu.addChild(new dijit.MenuItem({
1970                         label: __("Display article URL"),
1971                         onClick: function(event) {
1972                                 displayArticleUrl(base_id ? base_id : this.getParent().callerRowId);
1973                         }}));
1974
1975                 menu.addChild(new dijit.MenuSeparator());
1976
1977                 menu.addChild(new dijit.MenuItem({
1978                         label: __("Toggle unread"),
1979                         onClick: function(event) {
1980                                 var ids = getSelectedArticleIds2();
1981                                 // cast to string
1982                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
1983                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1984
1985                                 selectionToggleUnread(undefined, false, true, ids);
1986                                 }}));
1987
1988                 menu.addChild(new dijit.MenuItem({
1989                         label: __("Toggle starred"),
1990                         onClick: function(event) {
1991                                 var ids = getSelectedArticleIds2();
1992                                 // cast to string
1993                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
1994                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1995
1996                                 selectionToggleMarked(undefined, false, true, ids);
1997                                 }}));
1998
1999                 menu.addChild(new dijit.MenuItem({
2000                         label: __("Toggle published"),
2001                         onClick: function(event) {
2002                                 var ids = getSelectedArticleIds2();
2003                                 // cast to string
2004                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
2005                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2006
2007                                 selectionTogglePublished(undefined, false, true, ids);
2008                                 }}));
2009
2010                 menu.addChild(new dijit.MenuSeparator());
2011
2012                 menu.addChild(new dijit.MenuItem({
2013                         label: __("Mark above as read"),
2014                         onClick: function(event) {
2015                                 catchupRelativeToArticle(0, base_id ? base_id : this.getParent().callerRowId);
2016                                 }}));
2017
2018                 menu.addChild(new dijit.MenuItem({
2019                         label: __("Mark below as read"),
2020                         onClick: function(event) {
2021                                 catchupRelativeToArticle(1, base_id ? base_id : this.getParent().callerRowId);
2022                                 }}));
2023
2024
2025                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
2026
2027                 if (labels) {
2028
2029                         menu.addChild(new dijit.MenuSeparator());
2030
2031                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
2032                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
2033
2034                         labels.each(function(label) {
2035                                 var id = label.id[0];
2036                                 var bare_id = id.substr(id.indexOf(":")+1);
2037                                 var name = label.name[0];
2038
2039                                 bare_id = feed_to_label_id(bare_id);
2040
2041                                 labelAddMenu.addChild(new dijit.MenuItem({
2042                                         label: name,
2043                                         labelId: bare_id,
2044                                         onClick: function(event) {
2045                                                 var ids = getSelectedArticleIds2();
2046                                                 // cast to string
2047                                                 var id = (base_id ? base_id : this.getParent().ownerMenu.callerRowId) + "";
2048
2049                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2050
2051                                                 selectionAssignLabel(this.labelId, ids);
2052                                 }}));
2053
2054                                 labelDelMenu.addChild(new dijit.MenuItem({
2055                                         label: name,
2056                                         labelId: bare_id,
2057                                         onClick: function(event) {
2058                                                 var ids = getSelectedArticleIds2();
2059                                                 // cast to string
2060                                                 var id = (base_id ? base_id : this.getParent().ownerMenu.callerRowId) + "";
2061
2062                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2063
2064                                                 selectionRemoveLabel(this.labelId, ids);
2065                                 }}));
2066
2067                         });
2068
2069                         menu.addChild(new dijit.PopupMenuItem({
2070                                 label: __("Assign label"),
2071                                 popup: labelAddMenu
2072                         }));
2073
2074                         menu.addChild(new dijit.PopupMenuItem({
2075                                 label: __("Remove label"),
2076                                 popup: labelDelMenu
2077                         }));
2078
2079                 }
2080
2081
2082         } catch (e) {
2083                 exception_error("headlinesMenuCommon", e);
2084         }
2085 }
2086
2087 function initHeadlinesMenu() {
2088         try {
2089                 if (dijit.byId("headlinesMenu"))
2090                         dijit.byId("headlinesMenu").destroyRecursive();
2091
2092                 var ids = [];
2093
2094                 if (!isCdmMode()) {
2095                         nodes = $$("#headlines-frame > div[id*=RROW]");
2096                 } else {
2097                         nodes = $$("#headlines-frame span[id*=RTITLE]");
2098                 }
2099
2100                 nodes.each(function(node) {
2101                         ids.push(node.id);
2102                 });
2103
2104                 var menu = new dijit.Menu({
2105                         id: "headlinesMenu",
2106                         targetNodeIds: ids
2107                 });
2108
2109                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
2110                         var callerNode = event.target, match = null, tries = 0;
2111
2112                         while (match == null && callerNode && tries <= 3) {
2113                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2114                                 callerNode = callerNode.parentNode;
2115                                 ++tries;
2116                         }
2117
2118                         if (match) this.callerRowId = parseInt(match[1]);
2119
2120                 });
2121
2122                 headlinesMenuCommon(menu, false);
2123
2124                 menu.startup();
2125
2126                 /* vgroup feed title menu */
2127
2128                 var nodes = $$("#headlines-frame > div[class='cdmFeedTitle']");
2129                 var ids = [];
2130
2131                 nodes.each(function(node) {
2132                         ids.push(node.id);
2133                 });
2134
2135                 if (ids.length > 0) {
2136                         if (dijit.byId("headlinesFeedTitleMenu"))
2137                                 dijit.byId("headlinesFeedTitleMenu").destroyRecursive();
2138
2139                         var menu = new dijit.Menu({
2140                                 id: "headlinesFeedTitleMenu",
2141                                 targetNodeIds: ids
2142                         });
2143
2144                         var tmph = dojo.connect(menu, '_openMyself', function (event) {
2145                                 var callerNode = event.target, match = null, tries = 0;
2146
2147                                 while (match == null && callerNode && tries <= 3) {
2148                                         console.log(callerNode.id);
2149
2150                                         match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2151                                         callerNode = callerNode.parentNode;
2152                                         ++tries;
2153
2154                                         console.log(match[1]);
2155                                 }
2156
2157                                 if (match) this.callerRowId = parseInt(match[1]);
2158
2159                         });
2160
2161                         menu.addChild(new dijit.MenuItem({
2162                                 label: __("Select articles in group"),
2163                                 onClick: function(event) {
2164                                         selectArticles("all",
2165                                                 "#headlines-frame > div[id*=RROW]"+
2166                                                 "[orig-feed-id='"+menu.callerRowId+"']");
2167
2168                                 }}));
2169
2170                         menu.addChild(new dijit.MenuItem({
2171                                 label: __("Mark group as read"),
2172                                 onClick: function(event) {
2173                                         selectArticles("none");
2174                                         selectArticles("all",
2175                                                 "#headlines-frame > div[id*=RROW]"+
2176                                                 "[orig-feed-id='"+menu.callerRowId+"']");
2177
2178                                         catchupSelection();
2179                                 }}));
2180
2181
2182                         menu.addChild(new dijit.MenuItem({
2183                                 label: __("Mark feed as read"),
2184                                 onClick: function(event) {
2185                                         catchupFeedInGroup(menu.callerRowId);
2186                                 }}));
2187
2188                         menu.startup();
2189
2190                 }
2191
2192         } catch (e) {
2193                 exception_error("initHeadlinesMenu", e);
2194         }
2195 }
2196
2197 function cache_set(id, obj) {
2198         //console.log("cache_set: " + id);
2199         if (has_storage)
2200                 try {
2201                         sessionStorage[id] = obj;
2202                 } catch (e) {
2203                         sessionStorage.clear();
2204                 }
2205 }
2206
2207 function cache_get(id) {
2208         if (has_storage)
2209                 return sessionStorage[id];
2210 }
2211
2212 function cache_clear() {
2213         if (has_storage)
2214                 sessionStorage.clear();
2215 }
2216
2217 function cache_delete(id) {
2218         if (has_storage)
2219                 sessionStorage.removeItem(id);
2220 }
2221
2222 function cancelSearch() {
2223         try {
2224                 _search_query = "";
2225                 viewCurrentFeed();
2226         } catch (e) {
2227                 exception_error("cancelSearch", e);
2228         }
2229 }
2230
2231 function setSelectionScore() {
2232         try {
2233                 var ids = getSelectedArticleIds2();
2234
2235                 if (ids.length > 0) {
2236                         console.log(ids);
2237
2238                         var score = prompt(__("Please enter new score for selected articles:"), score);
2239
2240                         if (score != undefined) {
2241                                 var query = "op=article&method=setScore&id=" + param_escape(ids.toString()) +
2242                                         "&score=" + param_escape(score);
2243
2244                                 new Ajax.Request("backend.php", {
2245                                         parameters: query,
2246                                         onComplete: function(transport) {
2247                                                 var reply = JSON.parse(transport.responseText);
2248                                                 if (reply) {
2249                                                         console.log(ids);
2250
2251                                                         ids.each(function(id) {
2252                                                                 var row = $("RROW-" + id);
2253
2254                                                                 if (row) {
2255                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2256
2257                                                                         if (pic) {
2258                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2259                                                                                         reply["score_pic"]);
2260                                                                                 pic.setAttribute("score", score);
2261                                                                         }
2262                                                                 }
2263                                                         });
2264                                                 }
2265                                         } });
2266                         }
2267
2268                 } else {
2269                         alert(__("No articles are selected."));
2270                 }
2271         } catch (e) {
2272                 exception_error("setSelectionScore", e);
2273         }
2274 }
2275
2276 function updateScore(id) {
2277         try {
2278                 var pic = $$("#RROW-" + id + " .hlScorePic")[0];
2279
2280                 if (pic) {
2281
2282                         var query = "op=article&method=getScore&id=" + param_escape(id);
2283
2284                         new Ajax.Request("backend.php", {
2285                                 parameters: query,
2286                                 onComplete: function(transport) {
2287                                         console.log(transport.responseText);
2288
2289                                         var reply = JSON.parse(transport.responseText);
2290
2291                                         if (reply) {
2292                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2293                                                 pic.setAttribute("score", reply["score"]);
2294                                                 pic.setAttribute("title", reply["score"]);
2295                                         }
2296                                 } });
2297                 }
2298
2299         } catch (e) {
2300                 exception_error("updateScore", e);
2301         }
2302 }
2303
2304 function changeScore(id, pic) {
2305         try {
2306                 var score = pic.getAttribute("score");
2307
2308                 var new_score = prompt(__("Please enter new score for this article:"), score);
2309
2310                 if (new_score != undefined) {
2311
2312                         var query = "op=article&method=setScore&id=" + param_escape(id) +
2313                                 "&score=" + param_escape(new_score);
2314
2315                         new Ajax.Request("backend.php", {
2316                                 parameters: query,
2317                                 onComplete: function(transport) {
2318                                         var reply = JSON.parse(transport.responseText);
2319
2320                                         if (reply) {
2321                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2322                                                 pic.setAttribute("score", new_score);
2323                                                 pic.setAttribute("title", new_score);
2324                                         }
2325                                 } });
2326                 }
2327         } catch (e) {
2328                 exception_error("changeScore", e);
2329         }
2330 }
2331
2332 function displayArticleUrl(id) {
2333         try {
2334                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2335
2336                         new Ajax.Request("backend.php", {
2337                                 parameters: query,
2338                                 onComplete: function(transport) {
2339                                         var reply = JSON.parse(transport.responseText);
2340
2341                                         if (reply && reply.link) {
2342                                                 prompt(__("Article URL:"), reply.link);
2343                                         }
2344                                 } });
2345         } catch (e) {
2346                 exception_error("changeScore", e);
2347         }
2348 }
2349
2350 function scrollToRowId(id) {
2351         try {
2352                 var row = $(id);
2353
2354                 if (row)
2355                         $("headlines-frame").scrollTop = row.offsetTop - 4;
2356
2357         } catch (e) {
2358                 exception_error("scrollToRowId", e);
2359         }
2360 }
2361
2362 function updateFloatingTitle(unread_only) {
2363         try {
2364                 if (!isCdmMode()) return;
2365
2366                 var hf = $("headlines-frame");
2367
2368                 var elems = $$("#headlines-frame > div[id*=RROW]");
2369
2370                 for (var i = 0; i < elems.length; i++) {
2371
2372                         var child = elems[i];
2373
2374                         if (child && child.offsetTop + child.offsetHeight > hf.scrollTop) {
2375
2376                                 var header = child.getElementsByClassName("cdmHeader")[0];
2377
2378                                 if (unread_only || child.id != $("floatingTitle").getAttribute("rowid")) {
2379                                         if (child.id != $("floatingTitle").getAttribute("rowid")) {
2380                                                 $("floatingTitle").setAttribute("rowid", child.id);
2381                                                 $("floatingTitle").innerHTML = header.innerHTML;
2382                                                 $("floatingTitle").firstChild.innerHTML = "<img class='anchor markedPic' src='images/page_white_go.png' onclick=\"scrollToRowId('"+child.id+"')\">" + $("floatingTitle").firstChild.innerHTML;
2383
2384                                                 initFloatingMenu();
2385
2386                                                 var cb = $$("#floatingTitle .dijitCheckBox")[0];
2387
2388                                                 if (cb)
2389                                                         cb.parentNode.removeChild(cb);
2390                                         }
2391
2392                                         if (child.hasClassName("Unread"))
2393                                                 $("floatingTitle").addClassName("Unread");
2394                                         else
2395                                                 $("floatingTitle").removeClassName("Unread");
2396
2397                                         PluginHost.run(PluginHost.HOOK_FLOATING_TITLE, child);
2398                                 }
2399
2400                                 $("floatingTitle").style.marginRight = hf.offsetWidth - child.offsetWidth + "px";
2401                                 if (header.offsetTop + header.offsetHeight < hf.scrollTop + $("floatingTitle").offsetHeight - 5 &&
2402                                     child.offsetTop + child.offsetHeight >= hf.scrollTop + $("floatingTitle").offsetHeight - 5)
2403                                         $("floatingTitle").style.visibility = "visible";
2404                                 else
2405                                         $("floatingTitle").style.visibility = "hidden";
2406
2407                                 return;
2408
2409                         }
2410                 }
2411
2412         } catch (e) {
2413                 exception_error("updateFloatingTitle", e);
2414         }
2415 }
2416
2417 function catchupCurrentBatchIfNeeded() {
2418         if (catchup_id_batch.length > 0) {
2419                 window.clearTimeout(catchup_timeout_id);
2420                 catchup_timeout_id = window.setTimeout('catchupBatchedArticles()', 1000);
2421
2422                 if (catchup_id_batch.length >= 10) {
2423                         catchupBatchedArticles();
2424                 }
2425         }
2426 }
2427
2428 function cdmFooterClick(event) {
2429         event.stopPropagation();
2430 }