js/viewfeed.js

   1 var article_cache = new Array();
   2
   3 var _active_article_id = 0;
   4
   5 var vgroup_last_feed = false;
   6 var post_under_pointer = false;
   7
   8 var last_requested_article = false;
   9
  10 var catchup_id_batch = [];
  11 var catchup_timeout_id = false;
  12
  13 var cids_requested = [];
  14 var loaded_article_ids = [];
  15 var _last_headlines_update = 0;
  16
  17 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  18
  19 function headlines_callback2(transport, offset, background, infscroll_req) {
  20         try {
  21                 handle_rpc_json(transport);
  22
  23                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  24
  25                 var is_cat = false;
  26                 var feed_id = false;
  27
  28                 var reply = false;
  29
  30                 try {
  31                         reply = JSON.parse(transport.responseText);
  32                 } catch (e) {
  33                         console.error(e);
  34                 }
  35
  36                 if (reply) {
  37
  38                         is_cat = reply['headlines']['is_cat'];
  39                         feed_id = reply['headlines']['id'];
  40
  41                         if (background) {
  42                                 var content = reply['headlines']['content'];
  43
  44                                 content = content + "<div id='headlines-spacer'></div>";
  45                                 return;
  46                         }
  47
  48                         if (feed_id != getActiveFeedId() || is_cat != activeFeedIsCat())
  49                                 return;
  50
  51                         /* dijit.getEnclosingWidget(
  52                                 document.forms["main_toolbar_form"].update).attr('disabled',
  53                                         is_cat || feed_id <= 0); */
  54
  55                         try {
  56                                 if (infscroll_req == false) {
  57                                         $("headlines-frame").scrollTop = 0;
  58
  59                                         $("floatingTitle").style.visibility = "hidden";
  60                                         $("floatingTitle").setAttribute("rowid", 0);
  61                                         $("floatingTitle").innerHTML = "";
  62                                 }
  63                         } catch (e) { };
  64
  65                         $("headlines-frame").removeClassName("cdm");
  66                         $("headlines-frame").removeClassName("normal");
  67
  68                         $("headlines-frame").addClassName(isCdmMode() ? "cdm" : "normal");
  69
  70                         var headlines_count = reply['headlines-info']['count'];
  71
  72                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  73
  74                         if (parseInt(headlines_count) < 30) {
  75                                 _infscroll_disable = 1;
  76                         } else {
  77                                 _infscroll_disable = 0;
  78                         }
  79
  80                         var counters = reply['counters'];
  81                         var articles = reply['articles'];
  82                         //var runtime_info = reply['runtime-info'];
  83
  84                         if (infscroll_req == false) {
  85                                 loaded_article_ids = [];
  86
  87                                 dijit.byId("headlines-frame").attr('content',
  88                                         reply['headlines']['content']);
  89
  90                                 //dijit.byId("headlines-toolbar").attr('content',
  91                                 //      reply['headlines']['toolbar']);
  92
  93                                 dojo.html.set($("headlines-toolbar"),
  94                                                 reply['headlines']['toolbar'],
  95                                                 {parseContent: true});
  96
  97                                 $$("#headlines-frame > div[id*=RROW]").each(function(row) {
  98                                         if (loaded_article_ids.indexOf(row.id) != -1) {
  99                                                 row.parentNode.removeChild(row);
 100                                         } else {
 101                                                 loaded_article_ids.push(row.id);
 102                                         }
 103                                 });
 104
 105                                 var hsp = $("headlines-spacer");
 106                                 if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 107                                 dijit.byId('headlines-frame').domNode.appendChild(hsp);
 108
 109                                 initHeadlinesMenu();
 110
 111                                 if (_infscroll_disable)
 112                                         hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 113                                                 __("Click to open next unread feed.") + "</a>";
 114
 115                                 if (_search_query) {
 116                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 117                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 118                                                 "</span>";
 119                                 }
 120
 121                         } else {
 122
 123                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 124                                         console.log("adding some more headlines: " + headlines_count);
 125
 126                                         var c = dijit.byId("headlines-frame");
 127                                         var ids = getSelectedArticleIds2();
 128                                         var new_elems = [];
 129
 130                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 131
 132                                         var hsp = $("headlines-spacer");
 133
 134                                         if (hsp)
 135                                                 c.domNode.removeChild(hsp);
 136
 137                                         $$("#headlines-tmp > div").each(function(row) {
 138                                                 if (row.className == 'cdmFeedTitle') {
 139                                                         row.style.display = 'none';
 140                                                         c.domNode.appendChild(row);
 141                                                         new_elems.push(row);
 142                                                 } else if (loaded_article_ids.indexOf(row.id) == -1) {
 143                                                         row.style.display = 'none';
 144                                                         c.domNode.appendChild(row);
 145                                                         new_elems.push(row);
 146                                                         loaded_article_ids.push(row.id);
 147                                                 } else {
 148                                                         row.parentNode.removeChild(row);
 149                                                 }
 150                                         });
 151
 152                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 153
 154 //                                      if (getInitParam("cdm_auto_catchup") == 1) {
 155                                                 c.domNode.appendChild(hsp);
 156 //                                      }
 157
 158                                         console.log("added " + new_elems.size() + " headlines");
 159
 160                                         if (new_elems.size() == 0)
 161                                                 _infscroll_disable = true;
 162
 163                                         console.log("restore selected ids: " + ids);
 164
 165                                         for (var i = 0; i < ids.length; i++) {
 166                                                 markHeadline(ids[i]);
 167                                         }
 168
 169                                         initHeadlinesMenu();
 170
 171                                         new_elems.each(function(child) {
 172                                                 dojo.parser.parse(child);
 173
 174                                                 if (!Element.visible(child))
 175                                                         new Effect.Appear(child, { duration : 0.5 });
 176                                         });
 177
 178                                 } else {
 179                                         console.log("no new headlines received");
 180
 181                                         var hsp = $("headlines-spacer");
 182
 183                                         if (hsp) hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 184                                                 __("Click to open next unread feed.") + "</a>";
 185                                 }
 186                         }
 187
 188                         if (articles) {
 189                                 for (var i = 0; i < articles.length; i++) {
 190                                         var a_id = articles[i]['id'];
 191                                         cache_set("article:" + a_id, articles[i]['content']);
 192                                 }
 193                         } else {
 194                                 console.log("no cached articles received");
 195                         }
 196
 197                         if (counters)
 198                                 parse_counters(counters);
 199                         else
 200                                 request_counters(true);
 201
 202                 } else {
 203                         console.error("Invalid object received: " + transport.responseText);
 204                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 205                                         __('Could not update headlines (invalid object received - see error console for details)') +
 206                                         "</div>");
 207                 }
 208
 209                 _infscroll_request_sent = 0;
 210                 _last_headlines_update = new Date().getTime();
 211
 212                 unpackVisibleHeadlines();
 213
 214                 // if we have some more space in the buffer, why not try to fill it
 215
 216                 if (!_infscroll_disable && $("headlines-spacer") &&
 217                                 $("headlines-spacer").offsetTop < $("headlines-frame").offsetHeight) {
 218
 219                         window.setTimeout(function() {
 220                                 loadMoreHeadlines();
 221                         }, 250);
 222                 }
 223
 224                 notify("");
 225
 226         } catch (e) {
 227                 exception_error("headlines_callback2", e, transport);
 228         }
 229 }
 230
 231 function render_article(article) {
 232         try {
 233                 dijit.byId("headlines-wrap-inner").addChild(
 234                                 dijit.byId("content-insert"));
 235
 236                 var c = dijit.byId("content-insert");
 237
 238                 try {
 239                         c.domNode.scrollTop = 0;
 240                 } catch (e) { };
 241
 242                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED, article);
 243
 244                 c.attr('content', article);
 245
 246                 correctHeadlinesOffset(getActiveArticleId());
 247
 248                 try {
 249                         c.focus();
 250                 } catch (e) { };
 251
 252         } catch (e) {
 253                 exception_error("render_article", e);
 254         }
 255 }
 256
 257 function showArticleInHeadlines(id, noexpand) {
 258
 259         try {
 260                 selectArticles("none");
 261
 262                 var crow = $("RROW-" + id);
 263
 264                 if (!crow) return;
 265
 266                 var article_is_unread = crow.hasClassName("Unread");
 267
 268                 if (!noexpand)
 269                         crow.removeClassName("Unread");
 270                 crow.addClassName("active");
 271
 272                 selectArticles('none');
 273
 274                 var view_mode = false;
 275
 276                 try {
 277                         view_mode = document.forms['main_toolbar_form'].view_mode;
 278                         view_mode = view_mode[view_mode.selectedIndex].value;
 279                 } catch (e) {
 280                         //
 281                 }
 282
 283                 markHeadline(id);
 284
 285                 if (article_is_unread && !noexpand)
 286                         _force_scheduled_update = true;
 287
 288         } catch (e) {
 289                 exception_error("showArticleInHeadlines", e);
 290         }
 291 }
 292
 293 function article_callback2(transport, id) {
 294         try {
 295                 console.log("article_callback2 " + id);
 296
 297                 handle_rpc_json(transport);
 298
 299                 var reply = false;
 300
 301                 try {
 302                         reply = JSON.parse(transport.responseText);
 303                 } catch (e) {
 304                         console.error(e);
 305                 }
 306
 307                 if (reply) {
 308
 309                         reply.each(function(article) {
 310                                 if (getActiveArticleId() == article['id']) {
 311                                         render_article(article['content']);
 312                                 }
 313                                 cids_requested.remove(article['id']);
 314
 315                                 cache_set("article:" + article['id'], article['content']);
 316                         });
 317
 318 //                      if (id != last_requested_article) {
 319 //                              console.log("requested article id is out of sequence, aborting");
 320 //                              return;
 321 //                      }
 322
 323                 } else {
 324                         console.error("Invalid object received: " + transport.responseText);
 325
 326                         render_article("<div class='whiteBox'>" +
 327                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 328                 }
 329
 330                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 331                 request_counters(unread_in_buffer == 0);
 332
 333                 //headlines_scroll_handler($("headlines-frame"));
 334
 335 /*              try {
 336                         if (!_infscroll_disable &&
 337                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 338
 339                                 loadMoreHeadlines();
 340                         }
 341                 } catch (e) {
 342                         console.warn(e);
 343                 } */
 344
 345                 notify("");
 346         } catch (e) {
 347                 exception_error("article_callback2", e, transport);
 348         }
 349 }
 350
 351 function view(id, activefeed, noexpand) {
 352         try {
 353                 var oldrow = $("RROW-" + getActiveArticleId());
 354                 if (oldrow) oldrow.removeClassName("active");
 355
 356                 var crow = $("RROW-" + id);
 357
 358                 if (!crow) return;
 359                 if (noexpand) {
 360                         setActiveArticleId(id);
 361                         showArticleInHeadlines(id, noexpand);
 362                         return;
 363                 }
 364
 365                 console.log("loading article: " + id);
 366
 367                 var cached_article = cache_get("article:" + id);
 368
 369                 console.log("cache check result: " + (cached_article != false));
 370
 371                 var query = "?op=article&method=view&id=" + param_escape(id);
 372
 373                 var neighbor_ids = getRelativePostIds(id);
 374
 375                 /* only request uncached articles */
 376
 377                 var cids_to_request = [];
 378
 379                 for (var i = 0; i < neighbor_ids.length; i++) {
 380                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 381                                 if (!cache_get("article:" + neighbor_ids[i])) {
 382                                         cids_to_request.push(neighbor_ids[i]);
 383                                         cids_requested.push(neighbor_ids[i]);
 384                                 }
 385                 }
 386
 387                 console.log("additional ids: " + cids_to_request.toString());
 388
 389                 query = query + "&cids=" + cids_to_request.toString();
 390
 391                 var article_is_unread = crow.hasClassName("Unread");
 392
 393                 setActiveArticleId(id);
 394                 showArticleInHeadlines(id);
 395
 396                 if (cached_article && article_is_unread) {
 397
 398                         query = query + "&mode=prefetch";
 399
 400                         render_article(cached_article);
 401
 402                 } else if (cached_article) {
 403
 404                         query = query + "&mode=prefetch_old";
 405                         render_article(cached_article);
 406
 407                         // if we don't need to request any relative ids, we might as well skip
 408                         // the server roundtrip altogether
 409                         if (cids_to_request.length == 0) {
 410
 411 /*                              try {
 412                                         if (!_infscroll_disable &&
 413                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 414
 415                                                         loadMoreHeadlines();
 416                                         }
 417                                 } catch (e) {
 418                                         console.warn(e);
 419                                 } */
 420
 421                                 //headlines_scroll_handler($("headlines-frame"));
 422
 423                                 return;
 424                         }
 425                 }
 426
 427                 last_requested_article = id;
 428
 429                 console.log(query);
 430
 431                 if (article_is_unread) {
 432                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 433                 }
 434
 435                 new Ajax.Request("backend.php", {
 436                         parameters: query,
 437                         onComplete: function(transport) {
 438                                 article_callback2(transport, id);
 439                         } });
 440
 441                 return false;
 442
 443         } catch (e) {
 444                 exception_error("view", e);
 445         }
 446 }
 447
 448 function toggleMark(id, client_only) {
 449         try {
 450                 var query = "?op=rpc&id=" + id + "&method=mark";
 451
 452                 var row = $("RROW-" + id);
 453                 if (!row) return;
 454
 455                 var imgs = [];
 456
 457                 var row_imgs = row.getElementsByClassName("markedPic");
 458
 459                 for (var i = 0; i < row_imgs.length; i++)
 460                         imgs.push(row_imgs[i]);
 461
 462                 var ft = $("floatingTitle");
 463
 464                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 465                         var fte = ft.getElementsByClassName("markedPic");
 466
 467                         for (var i = 0; i < fte.length; i++)
 468                                 imgs.push(fte[i]);
 469                 }
 470
 471                 for (i = 0; i < imgs.length; i++) {
 472                         var img = imgs[i];
 473
 474                         if (!row.hasClassName("marked")) {
 475                                 img.src = img.src.replace("mark_unset", "mark_set");
 476                                 img.alt = __("Unstar article");
 477                                 query = query + "&mark=1";
 478                         } else {
 479                                 img.src = img.src.replace("mark_set", "mark_unset");
 480                                 img.alt = __("Star article");
 481                                 query = query + "&mark=0";
 482                         }
 483                 }
 484
 485                 row.toggleClassName("marked");
 486
 487                 if (!client_only) {
 488                         new Ajax.Request("backend.php", {
 489                                 parameters: query,
 490                                 onComplete: function(transport) {
 491                                         handle_rpc_json(transport);
 492                                 } });
 493                 }
 494
 495         } catch (e) {
 496                 exception_error("toggleMark", e);
 497         }
 498 }
 499
 500 function togglePub(id, client_only, no_effects, note) {
 501         try {
 502                 var query = "?op=rpc&id=" + id + "&method=publ";
 503
 504                 if (note != undefined) {
 505                         query = query + "&note=" + param_escape(note);
 506                 } else {
 507                         query = query + "&note=undefined";
 508                 }
 509
 510                 var row = $("RROW-" + id);
 511                 if (!row) return;
 512
 513                 var imgs = [];
 514
 515                 var row_imgs = row.getElementsByClassName("pubPic");
 516
 517                 for (var i = 0; i < row_imgs.length; i++)
 518                         imgs.push(row_imgs[i]);
 519
 520                 var ft = $("floatingTitle");
 521
 522                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 523                         var fte = ft.getElementsByClassName("pubPic");
 524
 525                         for (var i = 0; i < fte.length; i++)
 526                                 imgs.push(fte[i]);
 527                 }
 528
 529                 for (i = 0; i < imgs.length; i++) {
 530                         var img = imgs[i];
 531
 532                         if (!row.hasClassName("published") || note != undefined) {
 533                                 img.src = img.src.replace("pub_unset", "pub_set");
 534                                 img.alt = __("Unpublish article");
 535                                 query = query + "&pub=1";
 536                         } else {
 537                                 img.src = img.src.replace("pub_set", "pub_unset");
 538                                 img.alt = __("Publish article");
 539                                 query = query + "&pub=0";
 540                         }
 541                 }
 542
 543                 if (note != undefined)
 544                         row.addClassName("published");
 545                 else
 546                         row.toggleClassName("published");
 547
 548                 if (!client_only) {
 549                         new Ajax.Request("backend.php", {
 550                                 parameters: query,
 551                                 onComplete: function(transport) {
 552                                         handle_rpc_json(transport);
 553                                 } });
 554                 }
 555
 556         } catch (e) {
 557                 exception_error("togglePub", e);
 558         }
 559 }
 560
 561 function moveToPost(mode, noscroll, noexpand) {
 562
 563         try {
 564
 565                 var rows = getVisibleArticleIds();
 566
 567                 var prev_id = false;
 568                 var next_id = false;
 569
 570                 if (!$('RROW-' + getActiveArticleId())) {
 571                         setActiveArticleId(0);
 572                 }
 573
 574                 if (!getActiveArticleId()) {
 575                         next_id = rows[0];
 576                         prev_id = rows[rows.length-1]
 577                 } else {
 578                         for (var i = 0; i < rows.length; i++) {
 579                                 if (rows[i] == getActiveArticleId()) {
 580
 581                                         // Account for adjacent identical article ids.
 582                                         if (i > 0) prev_id = rows[i-1];
 583
 584                                         for (var j = i+1; j < rows.length; j++) {
 585                                                 if (rows[j] != getActiveArticleId()) {
 586                                                         next_id = rows[j];
 587                                                         break;
 588                                                 }
 589                                         }
 590                                         break;
 591                                 }
 592                         }
 593                 }
 594
 595                 if (mode == "next") {
 596                         if (next_id || getActiveArticleId()) {
 597                                 if (isCdmMode()) {
 598
 599                                         var article = $("RROW-" + getActiveArticleId());
 600                                         var ctr = $("headlines-frame");
 601
 602                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 603                                                         ctr.scrollTop + ctr.offsetHeight) {
 604
 605                                                 scrollArticle(ctr.offsetHeight/4);
 606
 607                                         } else if (next_id) {
 608                                                 cdmExpandArticle(next_id, noexpand);
 609                                                 cdmScrollToArticleId(next_id, true);
 610                                         }
 611
 612                                 } else if (next_id) {
 613                                         correctHeadlinesOffset(next_id);
 614                                         view(next_id, getActiveFeedId(), noexpand);
 615                                 }
 616                         }
 617                 }
 618
 619                 if (mode == "prev") {
 620                         if (prev_id || getActiveArticleId()) {
 621                                 if (isCdmMode()) {
 622
 623                                         var article = $("RROW-" + getActiveArticleId());
 624                                         var prev_article = $("RROW-" + prev_id);
 625                                         var ctr = $("headlines-frame");
 626
 627                                         if (!getInitParam("cdm_expanded")) {
 628
 629                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 630                                                         scrollArticle(-ctr.offsetHeight/4);
 631                                                 } else {
 632                                                         cdmExpandArticle(prev_id, noexpand);
 633                                                         cdmScrollToArticleId(prev_id, true);
 634                                                 }
 635                                         } else {
 636
 637                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 638                                                         scrollArticle(-ctr.offsetHeight/3);
 639                                                 } else if (!noscroll && prev_article &&
 640                                                                 prev_article.offsetTop < ctr.scrollTop) {
 641                                                         cdmExpandArticle(prev_id, noexpand);
 642                                                         scrollArticle(-ctr.offsetHeight/4);
 643                                                 } else if (prev_id) {
 644                                                         cdmExpandArticle(prev_id, noexpand);
 645                                                         cdmScrollToArticleId(prev_id, noscroll);
 646                                                 }
 647                                         }
 648
 649                                 } else if (prev_id) {
 650                                         correctHeadlinesOffset(prev_id);
 651                                         view(prev_id, getActiveFeedId(), noexpand);
 652                                 }
 653                         }
 654                 }
 655
 656         } catch (e) {
 657                 exception_error("moveToPost", e);
 658         }
 659 }
 660
 661 function toggleSelected(id, force_on) {
 662         try {
 663                 var row = $("RROW-" + id);
 664
 665                 if (row) {
 666                         var cb = dijit.getEnclosingWidget(
 667                                         row.getElementsByClassName("rchk")[0]);
 668
 669                         if (row.hasClassName('Selected') && !force_on) {
 670                                 row.removeClassName('Selected');
 671                                 if (cb) cb.attr("checked", false);
 672                         } else {
 673                                 row.addClassName('Selected');
 674                                 if (cb) cb.attr("checked", true);
 675                         }
 676                 }
 677
 678                 updateSelectedPrompt();
 679         } catch (e) {
 680                 exception_error("toggleSelected", e);
 681         }
 682 }
 683
 684 function updateSelectedPrompt() {
 685         try {
 686                 var count = getSelectedArticleIds2().size();
 687                 var elem = $("selected_prompt");
 688
 689                 if (elem) {
 690                         elem.innerHTML = ngettext("%d article selected",
 691                                         "%d articles selected", count).replace("%d", count);
 692
 693                         if (count > 0)
 694                                 Element.show(elem);
 695                         else
 696                                 Element.hide(elem);
 697                 }
 698
 699         } catch (e) {
 700                 exception_error("updateSelectedPrompt", e);
 701         }
 702 }
 703
 704 function toggleUnread_afh(effect) {
 705         try {
 706
 707                 var elem = effect.element;
 708                 elem.style.backgroundColor = "";
 709
 710         } catch (e) {
 711                 exception_error("toggleUnread_afh", e);
 712         }
 713 }
 714
 715 function toggleUnread(id, cmode, effect) {
 716         try {
 717
 718                 var row = $("RROW-" + id);
 719                 if (row) {
 720                         if (cmode == undefined || cmode == 2) {
 721                                 if (row.hasClassName("Unread")) {
 722                                         row.removeClassName("Unread");
 723
 724                                 } else {
 725                                         row.addClassName("Unread");
 726                                 }
 727
 728                         } else if (cmode == 0) {
 729
 730                                 row.removeClassName("Unread");
 731
 732                         } else if (cmode == 1) {
 733                                 row.addClassName("Unread");
 734                         }
 735
 736                         if (cmode == undefined) cmode = 2;
 737
 738                         var query = "?op=rpc&method=catchupSelected" +
 739                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 740
 741 //                      notify_progress("Loading, please wait...");
 742
 743                         new Ajax.Request("backend.php", {
 744                                 parameters: query,
 745                                 onComplete: function(transport) {
 746                                         handle_rpc_json(transport);
 747                                 } });
 748
 749                 }
 750
 751         } catch (e) {
 752                 exception_error("toggleUnread", e);
 753         }
 754 }
 755
 756 function selectionRemoveLabel(id, ids) {
 757         try {
 758
 759                 if (!ids) ids = getSelectedArticleIds2();
 760
 761                 if (ids.length == 0) {
 762                         alert(__("No articles are selected."));
 763                         return;
 764                 }
 765
 766                 var query = "?op=article&method=removeFromLabel&ids=" +
 767                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 768
 769                 console.log(query);
 770
 771                 new Ajax.Request("backend.php", {
 772                         parameters: query,
 773                         onComplete: function(transport) {
 774                                 handle_rpc_json(transport);
 775                                 show_labels_in_headlines(transport);
 776                         } });
 777
 778         } catch (e) {
 779                 exception_error("selectionAssignLabel", e);
 780
 781         }
 782 }
 783
 784 function selectionAssignLabel(id, ids) {
 785         try {
 786
 787                 if (!ids) ids = getSelectedArticleIds2();
 788
 789                 if (ids.length == 0) {
 790                         alert(__("No articles are selected."));
 791                         return;
 792                 }
 793
 794                 var query = "?op=article&method=assignToLabel&ids=" +
 795                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 796
 797                 console.log(query);
 798
 799                 new Ajax.Request("backend.php", {
 800                         parameters: query,
 801                         onComplete: function(transport) {
 802                                 handle_rpc_json(transport);
 803                                 show_labels_in_headlines(transport);
 804                         } });
 805
 806         } catch (e) {
 807                 exception_error("selectionAssignLabel", e);
 808
 809         }
 810 }
 811
 812 function selectionToggleUnread(set_state, callback, no_error, ids) {
 813         try {
 814                 var rows = ids ? ids : getSelectedArticleIds2();
 815
 816                 if (rows.length == 0 && !no_error) {
 817                         alert(__("No articles are selected."));
 818                         return;
 819                 }
 820
 821                 for (var i = 0; i < rows.length; i++) {
 822                         var row = $("RROW-" + rows[i]);
 823                         if (row) {
 824                                 if (set_state == undefined) {
 825                                         if (row.hasClassName("Unread")) {
 826                                                 row.removeClassName("Unread");
 827                                         } else {
 828                                                 row.addClassName("Unread");
 829                                         }
 830                                 }
 831
 832                                 if (set_state == false) {
 833                                         row.removeClassName("Unread");
 834                                 }
 835
 836                                 if (set_state == true) {
 837                                         row.addClassName("Unread");
 838                                 }
 839                         }
 840                 }
 841
 842                 updateFloatingTitle(true);
 843
 844                 if (rows.length > 0) {
 845
 846                         var cmode = "";
 847
 848                         if (set_state == undefined) {
 849                                 cmode = "2";
 850                         } else if (set_state == true) {
 851                                 cmode = "1";
 852                         } else if (set_state == false) {
 853                                 cmode = "0";
 854                         }
 855
 856                         var query = "?op=rpc&method=catchupSelected" +
 857                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 858
 859                         notify_progress("Loading, please wait...");
 860
 861                         new Ajax.Request("backend.php", {
 862                                 parameters: query,
 863                                 onComplete: function(transport) {
 864                                         handle_rpc_json(transport);
 865                                         if (callback) callback(transport);
 866                                 } });
 867
 868                 }
 869
 870         } catch (e) {
 871                 exception_error("selectionToggleUnread", e);
 872         }
 873 }
 874
 875 // sel_state ignored
 876 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 877         try {
 878
 879                 var rows = ids ? ids : getSelectedArticleIds2();
 880
 881                 if (rows.length == 0 && !no_error) {
 882                         alert(__("No articles are selected."));
 883                         return;
 884                 }
 885
 886                 for (var i = 0; i < rows.length; i++) {
 887                         toggleMark(rows[i], true, true);
 888                 }
 889
 890                 if (rows.length > 0) {
 891
 892                         var query = "?op=rpc&method=markSelected&ids=" +
 893                                 param_escape(rows.toString()) + "&cmode=2";
 894
 895                         new Ajax.Request("backend.php", {
 896                                 parameters: query,
 897                                 onComplete: function(transport) {
 898                                         handle_rpc_json(transport);
 899                                         if (callback) callback(transport);
 900                                 } });
 901
 902                 }
 903
 904         } catch (e) {
 905                 exception_error("selectionToggleMarked", e);
 906         }
 907 }
 908
 909 // sel_state ignored
 910 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 911         try {
 912
 913                 var rows = ids ? ids : getSelectedArticleIds2();
 914
 915                 if (rows.length == 0 && !no_error) {
 916                         alert(__("No articles are selected."));
 917                         return;
 918                 }
 919
 920                 for (var i = 0; i < rows.length; i++) {
 921                         togglePub(rows[i], true, true);
 922                 }
 923
 924                 if (rows.length > 0) {
 925
 926                         var query = "?op=rpc&method=publishSelected&ids=" +
 927                                 param_escape(rows.toString()) + "&cmode=2";
 928
 929                         new Ajax.Request("backend.php", {
 930                                 parameters: query,
 931                                 onComplete: function(transport) {
 932                                         handle_rpc_json(transport);
 933                                 } });
 934
 935                 }
 936
 937         } catch (e) {
 938                 exception_error("selectionToggleMarked", e);
 939         }
 940 }
 941
 942 function getSelectedArticleIds2() {
 943
 944         var rv = [];
 945
 946         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 947                 function(child) {
 948                         rv.push(child.id.replace("RROW-", ""));
 949                 });
 950
 951         return rv;
 952 }
 953
 954 function getLoadedArticleIds() {
 955         var rv = [];
 956
 957         var children = $$("#headlines-frame > div[id*=RROW-]");
 958
 959         children.each(function(child) {
 960                         rv.push(child.id.replace("RROW-", ""));
 961                 });
 962
 963         return rv;
 964
 965 }
 966
 967 // mode = all,none,unread,invert,marked,published
 968 function selectArticles(mode, query) {
 969         try {
 970
 971                 if (!query) query = "#headlines-frame > div[id*=RROW]";
 972
 973                 var children = $$(query);
 974
 975                 children.each(function(child) {
 976                         var id = child.id.replace("RROW-", "");
 977
 978                         var cb = dijit.getEnclosingWidget(
 979                                         child.getElementsByClassName("rchk")[0]);
 980
 981                         if (mode == "all") {
 982                                 child.addClassName("Selected");
 983                                 if (cb) cb.attr("checked", true);
 984                         } else if (mode == "unread") {
 985                                 if (child.hasClassName("Unread")) {
 986                                         child.addClassName("Selected");
 987                                         if (cb) cb.attr("checked", true);
 988                                 } else {
 989                                         child.removeClassName("Selected");
 990                                         if (cb) cb.attr("checked", false);
 991                                 }
 992                         } else if (mode == "marked") {
 993                                 if (child.hasClassName("marked")) {
 994                                         child.addClassName("Selected");
 995                                         if (cb) cb.attr("checked", true);
 996                                 } else {
 997                                         child.removeClassName("Selected");
 998                                         if (cb) cb.attr("checked", false);
 999                                 }
1000                         } else if (mode == "published") {
1001                                 if (child.hasClassName("published")) {
1002                                         child.addClassName("Selected");
1003                                         if (cb) cb.attr("checked", true);
1004                                 } else {
1005                                         child.removeClassName("Selected");
1006                                         if (cb) cb.attr("checked", false);
1007                                 }
1008
1009                         } else if (mode == "invert") {
1010                                 if (child.hasClassName("Selected")) {
1011                                         child.removeClassName("Selected");
1012                                         if (cb) cb.attr("checked", false);
1013                                 } else {
1014                                         child.addClassName("Selected");
1015                                         if (cb) cb.attr("checked", true);
1016                                 }
1017
1018                         } else {
1019                                 child.removeClassName("Selected");
1020                                 if (cb) cb.attr("checked", false);
1021                         }
1022                 });
1023
1024                 updateSelectedPrompt();
1025
1026         } catch (e) {
1027                 exception_error("selectArticles", e);
1028         }
1029 }
1030
1031 function deleteSelection() {
1032
1033         try {
1034
1035                 var rows = getSelectedArticleIds2();
1036
1037                 if (rows.length == 0) {
1038                         alert(__("No articles are selected."));
1039                         return;
1040                 }
1041
1042                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1043                 var str;
1044
1045                 if (getActiveFeedId() != 0) {
1046                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
1047                 } else {
1048                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
1049                 }
1050
1051                 str = str.replace("%d", rows.length);
1052                 str = str.replace("%s", fn);
1053
1054                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1055                         return;
1056                 }
1057
1058                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
1059
1060                 console.log(query);
1061
1062                 new Ajax.Request("backend.php", {
1063                         parameters: query,
1064                         onComplete: function(transport) {
1065                                         handle_rpc_json(transport);
1066                                         viewCurrentFeed();
1067                                 } });
1068
1069         } catch (e) {
1070                 exception_error("deleteSelection", e);
1071         }
1072 }
1073
1074 function archiveSelection() {
1075
1076         try {
1077
1078                 var rows = getSelectedArticleIds2();
1079
1080                 if (rows.length == 0) {
1081                         alert(__("No articles are selected."));
1082                         return;
1083                 }
1084
1085                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1086                 var str;
1087                 var op;
1088
1089                 if (getActiveFeedId() != 0) {
1090                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1091                         op = "archive";
1092                 } else {
1093                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1094
1095                         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
1096
1097                         op = "unarchive";
1098                 }
1099
1100                 str = str.replace("%d", rows.length);
1101                 str = str.replace("%s", fn);
1102
1103                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1104                         return;
1105                 }
1106
1107                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1108
1109                 console.log(query);
1110
1111                 for (var i = 0; i < rows.length; i++) {
1112                         cache_delete("article:" + rows[i]);
1113                 }
1114
1115                 new Ajax.Request("backend.php", {
1116                         parameters: query,
1117                         onComplete: function(transport) {
1118                                         handle_rpc_json(transport);
1119                                         viewCurrentFeed();
1120                                 } });
1121
1122         } catch (e) {
1123                 exception_error("archiveSelection", e);
1124         }
1125 }
1126
1127 function catchupSelection() {
1128
1129         try {
1130
1131                 var rows = getSelectedArticleIds2();
1132
1133                 if (rows.length == 0) {
1134                         alert(__("No articles are selected."));
1135                         return;
1136                 }
1137
1138                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1139
1140                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1141
1142                 str = str.replace("%d", rows.length);
1143                 str = str.replace("%s", fn);
1144
1145                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1146                         return;
1147                 }
1148
1149                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1150
1151         } catch (e) {
1152                 exception_error("catchupSelection", e);
1153         }
1154 }
1155
1156 function editArticleTags(id) {
1157                 var query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
1158
1159                 if (dijit.byId("editTagsDlg"))
1160                         dijit.byId("editTagsDlg").destroyRecursive();
1161
1162                 dialog = new dijit.Dialog({
1163                         id: "editTagsDlg",
1164                         title: __("Edit article Tags"),
1165                         style: "width: 600px",
1166                         execute: function() {
1167                                 if (this.validate()) {
1168                                         var query = dojo.objectToQuery(this.attr('value'));
1169
1170                                         notify_progress("Saving article tags...", true);
1171
1172                                         new Ajax.Request("backend.php", {
1173                                         parameters: query,
1174                                         onComplete: function(transport) {
1175                                                 try {
1176                                                         notify('');
1177                                                         dialog.hide();
1178
1179                                                         var data = JSON.parse(transport.responseText);
1180
1181                                                         if (data) {
1182                                                                 var id = data.id;
1183
1184                                                                 console.log(id);
1185
1186                                                                 var tags = $("ATSTR-" + id);
1187                                                                 var tooltip = dijit.byId("ATSTRTIP-" + id);
1188
1189                                                                 if (tags) tags.innerHTML = data.content;
1190                                                                 if (tooltip) tooltip.attr('label', data.content_full);
1191                                                         }
1192                                                 } catch (e) {
1193                                                         exception_error("editArticleTags/inner", e);
1194                                                 }
1195
1196                                         }});
1197                                 }
1198                         },
1199                         href: query,
1200                 });
1201
1202                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1203                 dojo.disconnect(tmph);
1204
1205                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1206                            "backend.php?op=article&method=completeTags",
1207                            { tokens: ',', paramName: "search" });
1208                 });
1209
1210                 dialog.show();
1211
1212 }
1213
1214 function cdmScrollToArticleId(id, force) {
1215         try {
1216                 var ctr = $("headlines-frame");
1217                 var e = $("RROW-" + id);
1218
1219                 if (!e || !ctr) return;
1220
1221                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1222                                 e.offsetTop < ctr.scrollTop) {
1223
1224                         // expanded cdm has a 4px margin now
1225                         ctr.scrollTop = parseInt(e.offsetTop) - 4;
1226                 }
1227
1228         } catch (e) {
1229                 exception_error("cdmScrollToArticleId", e);
1230         }
1231 }
1232
1233 function setActiveArticleId(id) {
1234         _active_article_id = id;
1235         PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
1236 }
1237
1238 function getActiveArticleId() {
1239         return _active_article_id;
1240 }
1241
1242 function postMouseIn(e, id) {
1243         post_under_pointer = id;
1244 }
1245
1246 function postMouseOut(id) {
1247         post_under_pointer = false;
1248 }
1249
1250 function unpackVisibleHeadlines() {
1251         try {
1252                 if (!isCdmMode() || !getInitParam("cdm_expanded")) return;
1253
1254                 $$("#headlines-frame > div[id*=RROW]").each(
1255                         function(child) {
1256                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1257                                         $("headlines-frame").offsetHeight) {
1258
1259                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1260
1261                                         if (cencw) {
1262                                                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED_CDM, child);
1263
1264                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1265                                                 cencw.setAttribute('id', '');
1266                                                 Element.show(cencw);
1267                                         }
1268                                 }
1269                         }
1270                 );
1271
1272         } catch (e) {
1273                 exception_error("unpackVisibleHeadlines", e);
1274         }
1275 }
1276
1277 function headlines_scroll_handler(e) {
1278         try {
1279                 var hsp = $("headlines-spacer");
1280
1281                 unpackVisibleHeadlines();
1282
1283                 // set topmost child in the buffer as active
1284                 if (isCdmMode() && getInitParam("cdm_auto_catchup") == 1 &&
1285                                 getSelectedArticleIds2().length <= 1 &&
1286                                 getInitParam("cdm_expanded")) {
1287                         var rows = $$("#headlines-frame > div[id*=RROW]");
1288
1289                         for (var i = 0; i < rows.length; i++) {
1290                                 var child = rows[i];
1291
1292                                 if ($("headlines-frame").scrollTop <= child.offsetTop &&
1293                                         child.offsetTop - $("headlines-frame").scrollTop < 100 &&
1294                                         child.id.replace("RROW-", "") != _active_article_id) {
1295
1296                                         if (_active_article_id) {
1297                                                 var row = $("RROW-" + _active_article_id);
1298                                                 if (row) row.removeClassName("active");
1299                                         }
1300
1301                                         _active_article_id = child.id.replace("RROW-", "");
1302                                         showArticleInHeadlines(_active_article_id, true);
1303                                         updateSelectedPrompt();
1304                                         break;
1305                                 }
1306                         }
1307                 }
1308
1309                 if (!_infscroll_disable) {
1310                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1311                                         (e.scrollHeight != 0 &&
1312                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1313
1314                                 if (hsp)
1315                                         hsp.innerHTML = "<span class='loading'><img src='images/indicator_tiny.gif'> " +
1316                                                 __("Loading, please wait...") + "</span>";
1317
1318                                 loadMoreHeadlines();
1319                                 return;
1320
1321                         }
1322                 } else {
1323                         if (hsp)
1324                                 if (_infscroll_disable)
1325                                         hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
1326                                                 __("Click to open next unread feed.") + "</a>";
1327                                 else
1328                                         hsp.innerHTML = "";
1329                 }
1330
1331                 if (isCdmMode()) {
1332                         updateFloatingTitle();
1333                 }
1334
1335                 if (getInitParam("cdm_auto_catchup") == 1) {
1336
1337                         // let's get DOM some time to settle down
1338                         var ts = new Date().getTime();
1339                         if (ts - _last_headlines_update < 100) return;
1340
1341                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1342                                 function(child) {
1343                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1344                                                         (child.offsetTop + child.offsetHeight/2)) {
1345
1346                                                 var id = child.id.replace("RROW-", "");
1347
1348                                                 if (catchup_id_batch.indexOf(id) == -1)
1349                                                         catchup_id_batch.push(id);
1350
1351                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1352                                         }
1353
1354                                 });
1355
1356                         if (catchup_id_batch.length > 0) {
1357                                 window.clearTimeout(catchup_timeout_id);
1358
1359                                 if (!_infscroll_request_sent) {
1360                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1361                                                 500);
1362                                 }
1363                         }
1364
1365                         if (_infscroll_disable) {
1366                                 var child = $$("#headlines-frame div[id*=RROW]").last();
1367
1368                                 if (child && $("headlines-frame").scrollTop >
1369                                                 (child.offsetTop + child.offsetHeight - 50)) {
1370
1371                                         console.log("we seem to be at an end");
1372
1373                                         if (getInitParam("on_catchup_show_next_feed") == "1") {
1374                                                 openNextUnreadFeed();
1375                                         }
1376                                 }
1377                         }
1378                 }
1379
1380         } catch (e) {
1381                 console.warn("headlines_scroll_handler: " + e);
1382         }
1383 }
1384
1385 function openNextUnreadFeed() {
1386         try {
1387                 var is_cat = activeFeedIsCat();
1388                 var nuf = getNextUnreadFeed(getActiveFeedId(), is_cat);
1389                 if (nuf) viewfeed(nuf, '', is_cat);
1390         } catch (e) {
1391                 exception_error("openNextUnreadFeed", e);
1392         }
1393 }
1394
1395 function catchupBatchedArticles() {
1396         try {
1397                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1398
1399                         // make a copy of the array
1400                         var batch = catchup_id_batch.slice();
1401                         var query = "?op=rpc&method=catchupSelected" +
1402                                 "&cmode=0&ids=" + param_escape(batch.toString());
1403
1404                         console.log(query);
1405
1406                         new Ajax.Request("backend.php", {
1407                                 parameters: query,
1408                                 onComplete: function(transport) {
1409                                         handle_rpc_json(transport);
1410
1411                                         reply = JSON.parse(transport.responseText);
1412                                         var batch = reply.ids;
1413
1414                                         batch.each(function(id) {
1415                                                 console.log(id);
1416                                                 var elem = $("RROW-" + id);
1417                                                 if (elem) elem.removeClassName("Unread");
1418                                                 catchup_id_batch.remove(id);
1419                                         });
1420
1421                                         updateFloatingTitle(true);
1422
1423                                 } });
1424                 }
1425
1426         } catch (e) {
1427                 exception_error("catchupBatchedArticles", e);
1428         }
1429 }
1430
1431 function catchupRelativeToArticle(below, id) {
1432
1433         try {
1434
1435                 if (!id) id = getActiveArticleId();
1436
1437                 if (!id) {
1438                         alert(__("No article is selected."));
1439                         return;
1440                 }
1441
1442                 var visible_ids = getVisibleArticleIds();
1443
1444                 var ids_to_mark = new Array();
1445
1446                 if (!below) {
1447                         for (var i = 0; i < visible_ids.length; i++) {
1448                                 if (visible_ids[i] != id) {
1449                                         var e = $("RROW-" + visible_ids[i]);
1450
1451                                         if (e && e.hasClassName("Unread")) {
1452                                                 ids_to_mark.push(visible_ids[i]);
1453                                         }
1454                                 } else {
1455                                         break;
1456                                 }
1457                         }
1458                 } else {
1459                         for (var i = visible_ids.length-1; i >= 0; i--) {
1460                                 if (visible_ids[i] != id) {
1461                                         var e = $("RROW-" + visible_ids[i]);
1462
1463                                         if (e && e.hasClassName("Unread")) {
1464                                                 ids_to_mark.push(visible_ids[i]);
1465                                         }
1466                                 } else {
1467                                         break;
1468                                 }
1469                         }
1470                 }
1471
1472                 if (ids_to_mark.length == 0) {
1473                         alert(__("No articles found to mark"));
1474                 } else {
1475                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1476
1477                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1478
1479                                 for (var i = 0; i < ids_to_mark.length; i++) {
1480                                         var e = $("RROW-" + ids_to_mark[i]);
1481                                         e.removeClassName("Unread");
1482                                 }
1483
1484                                 var query = "?op=rpc&method=catchupSelected" +
1485                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1486
1487                                 new Ajax.Request("backend.php", {
1488                                         parameters: query,
1489                                         onComplete: function(transport) {
1490                                                 handle_rpc_json(transport);
1491                                         } });
1492
1493                         }
1494                 }
1495
1496         } catch (e) {
1497                 exception_error("catchupRelativeToArticle", e);
1498         }
1499 }
1500
1501 function cdmCollapseArticle(event, id, unmark) {
1502         try {
1503                 if (unmark == undefined) unmark = true;
1504
1505                 var row = $("RROW-" + id);
1506                 var elem = $("CICD-" + id);
1507
1508                 if (elem && row) {
1509                         var collapse = $$("div#RROW-" + id +
1510                                 " span[class='collapseBtn']")[0];
1511
1512                         Element.hide(elem);
1513                         Element.show("CEXC-" + id);
1514                         Element.hide(collapse);
1515
1516                         if (unmark) {
1517                                 row.removeClassName("active");
1518
1519                                 markHeadline(id, false);
1520
1521                                 if (id == getActiveArticleId()) {
1522                                         setActiveArticleId(0);
1523                                 }
1524
1525                                 updateSelectedPrompt();
1526                         }
1527
1528                         if (event) Event.stop(event);
1529
1530                         PluginHost.run(PluginHost.HOOK_ARTICLE_COLLAPSED, id);
1531
1532                         if (row.offsetTop < $("headlines-frame").scrollTop)
1533                                 scrollToRowId(row.id);
1534
1535                         $("floatingTitle").style.visibility = "hidden";
1536                         $("floatingTitle").setAttribute("rowid", false);
1537                 }
1538
1539         } catch (e) {
1540                 exception_error("cdmCollapseArticle", e);
1541         }
1542 }
1543
1544 function cdmExpandArticle(id, noexpand) {
1545         try {
1546                 console.log("cdmExpandArticle " + id);
1547
1548                 if (!$("RROW-" + id)) return false;
1549
1550                 var oldrow = $("RROW-" + getActiveArticleId());
1551
1552                 var elem = $("CICD-" + getActiveArticleId());
1553
1554                 if (id == getActiveArticleId() && Element.visible(elem))
1555                         return true;
1556
1557                 selectArticles("none");
1558
1559                 var old_offset = $("RROW-" + id).offsetTop;
1560
1561                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1562                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1563                                 " span[class='collapseBtn']")[0];
1564
1565                         Element.hide(elem);
1566                         Element.show("CEXC-" + getActiveArticleId());
1567                         Element.hide(collapse);
1568                 }
1569
1570                 if (oldrow) oldrow.removeClassName("active");
1571
1572                 setActiveArticleId(id);
1573
1574                 elem = $("CICD-" + id);
1575
1576                 var collapse = $$("div#RROW-" + id +
1577                                 " span[class='collapseBtn']")[0];
1578
1579                 var cencw = $("CENCW-" + id);
1580
1581                 if (!Element.visible(elem) && !noexpand) {
1582                         if (cencw) {
1583                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1584                                 cencw.setAttribute('id', '');
1585                                 Element.show(cencw);
1586                         }
1587
1588                         Element.show(elem);
1589                         Element.hide("CEXC-" + id);
1590                         Element.show(collapse);
1591                 }
1592
1593                 var new_offset = $("RROW-" + id).offsetTop;
1594
1595                 if (old_offset > new_offset)
1596                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1597
1598                 if (!noexpand)
1599                         toggleUnread(id, 0, true);
1600                 toggleSelected(id);
1601                 $("RROW-" + id).addClassName("active");
1602
1603                 PluginHost.run(PluginHost.HOOK_ARTICLE_EXPANDED, id);
1604
1605         } catch (e) {
1606                 exception_error("cdmExpandArticle", e);
1607         }
1608
1609         return false;
1610 }
1611
1612 function getArticleUnderPointer() {
1613         return post_under_pointer;
1614 }
1615
1616 function scrollArticle(offset) {
1617         try {
1618                 if (!isCdmMode()) {
1619                         var ci = $("content-insert");
1620                         if (ci) {
1621                                 ci.scrollTop += offset;
1622                         }
1623                 } else {
1624                         var hi = $("headlines-frame");
1625                         if (hi) {
1626                                 hi.scrollTop += offset;
1627                         }
1628
1629                 }
1630         } catch (e) {
1631                 exception_error("scrollArticle", e);
1632         }
1633 }
1634
1635 function show_labels_in_headlines(transport) {
1636         try {
1637                 var data = JSON.parse(transport.responseText);
1638
1639                 if (data) {
1640                         data['info-for-headlines'].each(function(elem) {
1641                                 $$(".HLLCTR-" + elem.id).each(function(ctr) {
1642                                         ctr.innerHTML = elem.labels;
1643                                 });
1644                         });
1645                 }
1646         } catch (e) {
1647                 exception_error("show_labels_in_headlines", e);
1648         }
1649 }
1650
1651 function dismissArticle(id) {
1652         try {
1653                 var elem = $("RROW-" + id);
1654
1655                 if (!elem) return;
1656
1657                 toggleUnread(id, 0, true);
1658
1659                 new Effect.Fade(elem, {duration : 0.5});
1660
1661                 // Remove the content, too
1662                 var elem_content = $("CICD-" + id);
1663                 if (elem_content) {
1664                         Element.remove(elem_content);
1665                 }
1666
1667                 if (id == getActiveArticleId()) {
1668                         setActiveArticleId(0);
1669                 }
1670
1671         } catch (e) {
1672                 exception_error("dismissArticle", e);
1673         }
1674 }
1675
1676 function dismissSelectedArticles() {
1677         try {
1678
1679                 var ids = getVisibleArticleIds();
1680                 var tmp = [];
1681                 var sel = [];
1682
1683                 for (var i = 0; i < ids.length; i++) {
1684                         var elem = $("RROW-" + ids[i]);
1685
1686                         if (elem.className && elem.hasClassName("Selected") &&
1687                                         ids[i] != getActiveArticleId()) {
1688                                 new Effect.Fade(elem, {duration : 0.5});
1689                                 sel.push(ids[i]);
1690
1691                                 // Remove the content, too
1692                                 var elem_content = $("CICD-" + ids[i]);
1693                                 if (elem_content) {
1694                                         Element.remove(elem_content);
1695                                 }
1696                         } else {
1697                                 tmp.push(ids[i]);
1698                         }
1699                 }
1700
1701                 if (sel.length > 0)
1702                         selectionToggleUnread(false);
1703
1704
1705         } catch (e) {
1706                 exception_error("dismissSelectedArticles", e);
1707         }
1708 }
1709
1710 function dismissReadArticles() {
1711         try {
1712
1713                 var ids = getVisibleArticleIds();
1714                 var tmp = [];
1715
1716                 for (var i = 0; i < ids.length; i++) {
1717                         var elem = $("RROW-" + ids[i]);
1718
1719                         if (elem.className && !elem.hasClassName("Unread") &&
1720                                         !elem.hasClassName("Selected")) {
1721
1722                                 new Effect.Fade(elem, {duration : 0.5});
1723
1724                                 // Remove the content, too
1725                                 var elem_content = $("CICD-" + ids[i]);
1726                                 if (elem_content) {
1727                                         Element.remove(elem_content);
1728                                 }
1729                         } else {
1730                                 tmp.push(ids[i]);
1731                         }
1732                 }
1733
1734         } catch (e) {
1735                 exception_error("dismissReadArticles", e);
1736         }
1737 }
1738
1739 function getVisibleArticleIds() {
1740         var ids = [];
1741
1742         try {
1743
1744                 getLoadedArticleIds().each(function(id) {
1745                         var elem = $("RROW-" + id);
1746                         if (elem && Element.visible(elem))
1747                                 ids.push(id);
1748                         });
1749
1750         } catch (e) {
1751                 exception_error("getVisibleArticleIds", e);
1752         }
1753
1754         return ids;
1755 }
1756
1757 function cdmClicked(event, id) {
1758         try {
1759                 //var shift_key = event.shiftKey;
1760
1761                 if (!event.ctrlKey) {
1762
1763                         if (!getInitParam("cdm_expanded")) {
1764                                 return cdmExpandArticle(id);
1765                         } else {
1766
1767                                 var elem = $("RROW-" + getActiveArticleId());
1768
1769                                 if (elem) elem.removeClassName("active");
1770
1771                                 selectArticles("none");
1772                                 toggleSelected(id);
1773
1774                                 var elem = $("RROW-" + id);
1775                                 var article_is_unread = elem.hasClassName("Unread");
1776
1777                                 elem.removeClassName("Unread");
1778                                 elem.addClassName("active");
1779
1780                                 setActiveArticleId(id);
1781
1782                                 if (article_is_unread) {
1783                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1784                                         updateFloatingTitle(true);
1785                                 }
1786
1787                                 var query = "?op=rpc&method=catchupSelected" +
1788                                         "&cmode=0&ids=" + param_escape(id);
1789
1790                                 new Ajax.Request("backend.php", {
1791                                         parameters: query,
1792                                         onComplete: function(transport) {
1793                                                 handle_rpc_json(transport);
1794                                         } });
1795
1796                                 return !event.shiftKey;
1797                         }
1798
1799                 } else if (event.target.parents(".cdmHeader").length > 0) {
1800
1801                         toggleSelected(id, true);
1802
1803                         var elem = $("RROW-" + id);
1804                         var article_is_unread = elem.hasClassName("Unread");
1805
1806                         if (article_is_unread) {
1807                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1808                         }
1809
1810                         toggleUnread(id, 0, false);
1811
1812                         openArticleInNewWindow(id);
1813                 }
1814
1815                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1816                 request_counters(unread_in_buffer == 0);
1817
1818         } catch (e) {
1819                 exception_error("cdmClicked");
1820         }
1821
1822         return false;
1823 }
1824
1825 function hlClicked(event, id) {
1826         try {
1827                 if (event.which == 2) {
1828                         view(id);
1829                         return true;
1830                 } else if (event.ctrlKey) {
1831                         toggleSelected(id, true);
1832                         toggleUnread(id, 0, false);
1833                         openArticleInNewWindow(id);
1834                         return false;
1835                 } else {
1836                         view(id);
1837                         return false;
1838                 }
1839
1840         } catch (e) {
1841                 exception_error("hlClicked");
1842         }
1843 }
1844
1845 function getFirstVisibleHeadlineId() {
1846         var rows = getVisibleArticleIds();
1847         return rows[0];
1848
1849 }
1850
1851 function getLastVisibleHeadlineId() {
1852         var rows = getVisibleArticleIds();
1853         return rows[rows.length-1];
1854 }
1855
1856 function openArticleInNewWindow(id) {
1857         toggleUnread(id, 0, false);
1858         window.open("backend.php?op=article&method=redirect&id=" + id);
1859 }
1860
1861 function isCdmMode() {
1862         return getInitParam("combined_display_mode");
1863 }
1864
1865 function markHeadline(id, marked) {
1866         if (marked == undefined) marked = true;
1867
1868         var row = $("RROW-" + id);
1869         if (row) {
1870                 var check = dijit.getEnclosingWidget(
1871                                 row.getElementsByClassName("rchk")[0]);
1872
1873                 if (check) {
1874                         check.attr("checked", marked);
1875                 }
1876
1877                 if (marked)
1878                         row.addClassName("Selected");
1879                 else
1880                         row.removeClassName("Selected");
1881         }
1882 }
1883
1884 function getRelativePostIds(id, limit) {
1885
1886         var tmp = [];
1887
1888         try {
1889
1890                 if (!limit) limit = 6; //3
1891
1892                 var ids = getVisibleArticleIds();
1893
1894                 for (var i = 0; i < ids.length; i++) {
1895                         if (ids[i] == id) {
1896                                 for (var k = 1; k <= limit; k++) {
1897                                         //if (i > k-1) tmp.push(ids[i-k]);
1898                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1899                                 }
1900                                 break;
1901                         }
1902                 }
1903
1904         } catch (e) {
1905                 exception_error("getRelativePostIds", e);
1906         }
1907
1908         return tmp;
1909 }
1910
1911 function correctHeadlinesOffset(id) {
1912
1913         try {
1914
1915                 var container = $("headlines-frame");
1916                 var row = $("RROW-" + id);
1917
1918                 if (!container || !row) return;
1919
1920                 var viewport = container.offsetHeight;
1921
1922                 var rel_offset_top = row.offsetTop - container.scrollTop;
1923                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1924
1925                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1926                 //console.log("Vport: " + viewport);
1927
1928                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1929                         container.scrollTop = row.offsetTop;
1930                 } else if (rel_offset_bottom > viewport) {
1931
1932                         /* doesn't properly work with Opera in some cases because
1933                                 Opera fucks up element scrolling */
1934
1935                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1936                 }
1937
1938         } catch (e) {
1939                 exception_error("correctHeadlinesOffset", e);
1940         }
1941
1942 }
1943
1944 function headlineActionsChange(elem) {
1945         try {
1946                 eval(elem.value);
1947                 elem.attr('value', 'false');
1948         } catch (e) {
1949                 exception_error("headlineActionsChange", e);
1950         }
1951 }
1952
1953 function closeArticlePanel() {
1954
1955         if (dijit.byId("content-insert"))
1956                 dijit.byId("headlines-wrap-inner").removeChild(
1957                         dijit.byId("content-insert"));
1958 }
1959
1960 function initFloatingMenu() {
1961         try {
1962                 if (dijit.byId("floatingMenu"))
1963                         dijit.byId("floatingMenu").destroyRecursive();
1964
1965                         var menu = new dijit.Menu({
1966                                 id: "floatingMenu",
1967                                 targetNodeIds: ["floatingTitle"]
1968                         });
1969
1970                         var id = $("floatingTitle").getAttribute("rowid").replace("RROW-", "");
1971
1972                         headlinesMenuCommon(menu, id);
1973
1974                         menu.startup();
1975         } catch (e) {
1976                 exception_error("initFloatingMenu", e);
1977         }
1978 }
1979
1980 function headlinesMenuCommon(menu, base_id) {
1981         try {
1982
1983                 menu.addChild(new dijit.MenuItem({
1984                         label: __("Open original article"),
1985                         onClick: function(event) {
1986                                 openArticleInNewWindow(base_id ? base_id : this.getParent().callerRowId);
1987                         }}));
1988
1989                 menu.addChild(new dijit.MenuItem({
1990                         label: __("Display article URL"),
1991                         onClick: function(event) {
1992                                 displayArticleUrl(base_id ? base_id : this.getParent().callerRowId);
1993                         }}));
1994
1995                 menu.addChild(new dijit.MenuSeparator());
1996
1997                 menu.addChild(new dijit.MenuItem({
1998                         label: __("Toggle unread"),
1999                         onClick: function(event) {
2000                                 var ids = getSelectedArticleIds2();
2001                                 // cast to string
2002                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
2003                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2004
2005                                 selectionToggleUnread(undefined, false, true, ids);
2006                                 }}));
2007
2008                 menu.addChild(new dijit.MenuItem({
2009                         label: __("Toggle starred"),
2010                         onClick: function(event) {
2011                                 var ids = getSelectedArticleIds2();
2012                                 // cast to string
2013                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
2014                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2015
2016                                 selectionToggleMarked(undefined, false, true, ids);
2017                                 }}));
2018
2019                 menu.addChild(new dijit.MenuItem({
2020                         label: __("Toggle published"),
2021                         onClick: function(event) {
2022                                 var ids = getSelectedArticleIds2();
2023                                 // cast to string
2024                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
2025                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2026
2027                                 selectionTogglePublished(undefined, false, true, ids);
2028                                 }}));
2029
2030                 menu.addChild(new dijit.MenuSeparator());
2031
2032                 menu.addChild(new dijit.MenuItem({
2033                         label: __("Mark above as read"),
2034                         onClick: function(event) {
2035                                 catchupRelativeToArticle(0, base_id ? base_id : this.getParent().callerRowId);
2036                                 }}));
2037
2038                 menu.addChild(new dijit.MenuItem({
2039                         label: __("Mark below as read"),
2040                         onClick: function(event) {
2041                                 catchupRelativeToArticle(1, base_id ? base_id : this.getParent().callerRowId);
2042                                 }}));
2043
2044
2045                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
2046
2047                 if (labels) {
2048
2049                         menu.addChild(new dijit.MenuSeparator());
2050
2051                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
2052                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
2053
2054                         labels.each(function(label) {
2055                                 var id = label.id[0];
2056                                 var bare_id = id.substr(id.indexOf(":")+1);
2057                                 var name = label.name[0];
2058
2059                                 bare_id = feed_to_label_id(bare_id);
2060
2061                                 labelAddMenu.addChild(new dijit.MenuItem({
2062                                         label: name,
2063                                         labelId: bare_id,
2064                                         onClick: function(event) {
2065                                                 var ids = getSelectedArticleIds2();
2066                                                 // cast to string
2067                                                 var id = (base_id ? base_id : this.getParent().ownerMenu.callerRowId) + "";
2068
2069                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2070
2071                                                 selectionAssignLabel(this.labelId, ids);
2072                                 }}));
2073
2074                                 labelDelMenu.addChild(new dijit.MenuItem({
2075                                         label: name,
2076                                         labelId: bare_id,
2077                                         onClick: function(event) {
2078                                                 var ids = getSelectedArticleIds2();
2079                                                 // cast to string
2080                                                 var id = (base_id ? base_id : this.getParent().ownerMenu.callerRowId) + "";
2081
2082                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2083
2084                                                 selectionRemoveLabel(this.labelId, ids);
2085                                 }}));
2086
2087                         });
2088
2089                         menu.addChild(new dijit.PopupMenuItem({
2090                                 label: __("Assign label"),
2091                                 popup: labelAddMenu,
2092                         }));
2093
2094                         menu.addChild(new dijit.PopupMenuItem({
2095                                 label: __("Remove label"),
2096                                 popup: labelDelMenu,
2097                         }));
2098
2099                 }
2100
2101
2102         } catch (e) {
2103                 exception_error("headlinesMenuCommon", e);
2104         }
2105 }
2106
2107 function initHeadlinesMenu() {
2108         try {
2109                 if (dijit.byId("headlinesMenu"))
2110                         dijit.byId("headlinesMenu").destroyRecursive();
2111
2112                 var ids = [];
2113
2114                 if (!isCdmMode()) {
2115                         nodes = $$("#headlines-frame > div[id*=RROW]");
2116                 } else {
2117                         nodes = $$("#headlines-frame span[id*=RTITLE]");
2118                 }
2119
2120                 nodes.each(function(node) {
2121                         ids.push(node.id);
2122                 });
2123
2124                 var menu = new dijit.Menu({
2125                         id: "headlinesMenu",
2126                         targetNodeIds: ids,
2127                 });
2128
2129                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
2130                         var callerNode = event.target, match = null, tries = 0;
2131
2132                         while (match == null && callerNode && tries <= 3) {
2133                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2134                                 callerNode = callerNode.parentNode;
2135                                 ++tries;
2136                         }
2137
2138                         if (match) this.callerRowId = parseInt(match[1]);
2139
2140                 });
2141
2142                 headlinesMenuCommon(menu, false);
2143
2144                 menu.startup();
2145
2146                 /* vgroup feed title menu */
2147
2148                 var nodes = $$("#headlines-frame > div[class='cdmFeedTitle']");
2149                 var ids = [];
2150
2151                 nodes.each(function(node) {
2152                         ids.push(node.id);
2153                 });
2154
2155                 if (ids.length > 0) {
2156                         if (dijit.byId("headlinesFeedTitleMenu"))
2157                                 dijit.byId("headlinesFeedTitleMenu").destroyRecursive();
2158
2159                         var menu = new dijit.Menu({
2160                                 id: "headlinesFeedTitleMenu",
2161                                 targetNodeIds: ids,
2162                         });
2163
2164                         var tmph = dojo.connect(menu, '_openMyself', function (event) {
2165                                 var callerNode = event.target, match = null, tries = 0;
2166
2167                                 while (match == null && callerNode && tries <= 3) {
2168                                         console.log(callerNode.id);
2169
2170                                         match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2171                                         callerNode = callerNode.parentNode;
2172                                         ++tries;
2173
2174                                         console.log(match[1]);
2175                                 }
2176
2177                                 if (match) this.callerRowId = parseInt(match[1]);
2178
2179                         });
2180
2181                         menu.addChild(new dijit.MenuItem({
2182                                 label: __("Select articles in group"),
2183                                 onClick: function(event) {
2184                                         selectArticles("all",
2185                                                 "#headlines-frame > div[id*=RROW]"+
2186                                                 "[orig-feed-id='"+menu.callerRowId+"']");
2187
2188                                 }}));
2189
2190                         menu.addChild(new dijit.MenuItem({
2191                                 label: __("Mark group as read"),
2192                                 onClick: function(event) {
2193                                         selectArticles("none");
2194                                         selectArticles("all",
2195                                                 "#headlines-frame > div[id*=RROW]"+
2196                                                 "[orig-feed-id='"+menu.callerRowId+"']");
2197
2198                                         catchupSelection();
2199                                 }}));
2200
2201
2202                         menu.addChild(new dijit.MenuItem({
2203                                 label: __("Mark feed as read"),
2204                                 onClick: function(event) {
2205                                         catchupFeedInGroup(menu.callerRowId);
2206                                 }}));
2207
2208                         menu.startup();
2209
2210                 }
2211
2212         } catch (e) {
2213                 exception_error("initHeadlinesMenu", e);
2214         }
2215 }
2216
2217 function cache_set(id, obj) {
2218         //console.log("cache_set: " + id);
2219         if (has_storage)
2220                 try {
2221                         sessionStorage[id] = obj;
2222                 } catch (e) {
2223                         sessionStorage.clear();
2224                 }
2225 }
2226
2227 function cache_get(id) {
2228         if (has_storage)
2229                 return sessionStorage[id];
2230 }
2231
2232 function cache_clear() {
2233         if (has_storage)
2234                 sessionStorage.clear();
2235 }
2236
2237 function cache_delete(id) {
2238         if (has_storage)
2239                 sessionStorage.removeItem(id);
2240 }
2241
2242 function cancelSearch() {
2243         try {
2244                 _search_query = "";
2245                 viewCurrentFeed();
2246         } catch (e) {
2247                 exception_error("cancelSearch", e);
2248         }
2249 }
2250
2251 function setSelectionScore() {
2252         try {
2253                 var ids = getSelectedArticleIds2();
2254
2255                 if (ids.length > 0) {
2256                         console.log(ids);
2257
2258                         var score = prompt(__("Please enter new score for selected articles:"), score);
2259
2260                         if (score != undefined) {
2261                                 var query = "op=article&method=setScore&id=" + param_escape(ids.toString()) +
2262                                         "&score=" + param_escape(score);
2263
2264                                 new Ajax.Request("backend.php", {
2265                                         parameters: query,
2266                                         onComplete: function(transport) {
2267                                                 var reply = JSON.parse(transport.responseText);
2268                                                 if (reply) {
2269                                                         console.log(ids);
2270
2271                                                         ids.each(function(id) {
2272                                                                 var row = $("RROW-" + id);
2273
2274                                                                 if (row) {
2275                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2276
2277                                                                         if (pic) {
2278                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2279                                                                                         reply["score_pic"]);
2280                                                                                 pic.setAttribute("score", score);
2281                                                                         }
2282                                                                 }
2283                                                         });
2284                                                 }
2285                                         } });
2286                         }
2287
2288                 } else {
2289                         alert(__("No articles are selected."));
2290                 }
2291         } catch (e) {
2292                 exception_error("setSelectionScore", e);
2293         }
2294 }
2295
2296 function changeScore(id, pic) {
2297         try {
2298                 var score = pic.getAttribute("score");
2299
2300                 var new_score = prompt(__("Please enter new score for this article:"), score);
2301
2302                 if (new_score != undefined) {
2303
2304                         var query = "op=article&method=setScore&id=" + param_escape(id) +
2305                                 "&score=" + param_escape(new_score);
2306
2307                         new Ajax.Request("backend.php", {
2308                                 parameters: query,
2309                                 onComplete: function(transport) {
2310                                         var reply = JSON.parse(transport.responseText);
2311
2312                                         if (reply) {
2313                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2314                                                 pic.setAttribute("score", new_score);
2315                                         }
2316                                 } });
2317                 }
2318         } catch (e) {
2319                 exception_error("changeScore", e);
2320         }
2321 }
2322
2323 function displayArticleUrl(id) {
2324         try {
2325                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2326
2327                         new Ajax.Request("backend.php", {
2328                                 parameters: query,
2329                                 onComplete: function(transport) {
2330                                         var reply = JSON.parse(transport.responseText);
2331
2332                                         if (reply && reply.link) {
2333                                                 prompt(__("Article URL:"), reply.link);
2334                                         }
2335                                 } });
2336         } catch (e) {
2337                 exception_error("changeScore", e);
2338         }
2339 }
2340
2341 function openSelectedAttachment(elem) {
2342         try {
2343                 var url = elem[elem.selectedIndex].value;
2344
2345                 if (url) {
2346                         window.open(url);
2347                         elem.selectedIndex = 0;
2348                 }
2349
2350         } catch (e) {
2351                 exception_error("openSelectedAttachment", e);
2352         }
2353 }
2354
2355 function scrollToRowId(id) {
2356         try {
2357                 var row = $(id);
2358
2359                 if (row)
2360                         $("headlines-frame").scrollTop = row.offsetTop - 4;
2361
2362         } catch (e) {
2363                 exception_error("scrollToRowId", e);
2364         }
2365 }
2366
2367 function updateFloatingTitle(unread_only) {
2368         try {
2369                 if (!isCdmMode()) return;
2370
2371                 var hf = $("headlines-frame");
2372
2373                 var elems = $$("#headlines-frame > div[id*=RROW]");
2374
2375                 for (var i = 0; i < elems.length; i++) {
2376
2377                         var child = elems[i];
2378
2379                         if (child && child.offsetTop + child.offsetHeight > hf.scrollTop) {
2380
2381                                 var header = child.getElementsByClassName("cdmHeader")[0];
2382
2383                                 if (unread_only || child.id != $("floatingTitle").getAttribute("rowid")) {
2384                                         if (child.id != $("floatingTitle").getAttribute("rowid")) {
2385                                                 $("floatingTitle").setAttribute("rowid", child.id);
2386                                                 $("floatingTitle").innerHTML = header.innerHTML;
2387                                                 $("floatingTitle").firstChild.innerHTML = "<img class='anchor markedPic' src='images/page_white_go.png' onclick=\"scrollToRowId('"+child.id+"')\">" + $("floatingTitle").firstChild.innerHTML;
2388
2389                                                 initFloatingMenu();
2390
2391                                                 var cb = $$("#floatingTitle .dijitCheckBox")[0];
2392
2393                                                 if (cb)
2394                                                         cb.parentNode.removeChild(cb);
2395                                         }
2396
2397                                         if (child.hasClassName("Unread"))
2398                                                 $("floatingTitle").addClassName("Unread");
2399                                         else
2400                                                 $("floatingTitle").removeClassName("Unread");
2401
2402                                         PluginHost.run(PluginHost.HOOK_FLOATING_TITLE, child);
2403                                 }
2404
2405                                 $("floatingTitle").style.marginRight = hf.offsetWidth - child.offsetWidth + "px";
2406                                 if (header.offsetTop + header.offsetHeight < hf.scrollTop + $("floatingTitle").offsetHeight - 5 &&
2407                                     child.offsetTop + child.offsetHeight >= hf.scrollTop + $("floatingTitle").offsetHeight - 5)
2408                                         $("floatingTitle").style.visibility = "visible";
2409                                 else
2410                                         $("floatingTitle").style.visibility = "hidden";
2411
2412                                 return;
2413
2414                         }
2415                 }
2416
2417         } catch (e) {
2418                 exception_error("updateFloatingTitle", e);
2419         }
2420 }