js/viewfeed.js

   1 var article_cache = new Array();
   2
   3 var _active_article_id = 0;
   4
   5 var vgroup_last_feed = false;
   6 var post_under_pointer = false;
   7
   8 var last_requested_article = false;
   9
  10 var catchup_id_batch = [];
  11 var catchup_timeout_id = false;
  12
  13 var cids_requested = [];
  14 var loaded_article_ids = [];
  15 var _last_headlines_update = 0;
  16 var current_first_id = 0;
  17
  18 var _catchup_request_sent = false;
  19
  20 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  21
  22 function headlines_callback2(transport, offset, background, infscroll_req) {
  23         try {
  24                 handle_rpc_json(transport);
  25
  26                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  27
  28                 var is_cat = false;
  29                 var feed_id = false;
  30
  31                 var reply = false;
  32
  33                 try {
  34                         reply = JSON.parse(transport.responseText);
  35                 } catch (e) {
  36                         console.error(e);
  37                 }
  38
  39                 if (reply) {
  40
  41                         is_cat = reply['headlines']['is_cat'];
  42                         feed_id = reply['headlines']['id'];
  43
  44                         if (background) {
  45                                 var content = reply['headlines']['content'];
  46
  47                                 content = content + "<div id='headlines-spacer'></div>";
  48                                 return;
  49                         }
  50
  51                         if (feed_id != -7 && (feed_id != getActiveFeedId() || is_cat != activeFeedIsCat()))
  52                                 return;
  53
  54                         /* dijit.getEnclosingWidget(
  55                                 document.forms["main_toolbar_form"].update).attr('disabled',
  56                                         is_cat || feed_id <= 0); */
  57
  58                         try {
  59                                 if (infscroll_req == false) {
  60                                         $("headlines-frame").scrollTop = 0;
  61
  62                                         $("floatingTitle").style.visibility = "hidden";
  63                                         $("floatingTitle").setAttribute("rowid", 0);
  64                                         $("floatingTitle").innerHTML = "";
  65                                 }
  66                         } catch (e) { };
  67
  68                         $("headlines-frame").removeClassName("cdm");
  69                         $("headlines-frame").removeClassName("normal");
  70
  71                         $("headlines-frame").addClassName(isCdmMode() ? "cdm" : "normal");
  72
  73                         var headlines_count = reply['headlines-info']['count'];
  74
  75                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  76
  77                         if (parseInt(headlines_count) < 30) {
  78                                 _infscroll_disable = 1;
  79                         } else {
  80                                 _infscroll_disable = 0;
  81                         }
  82
  83                         current_first_id = reply['headlines']['first_id'];
  84                         var counters = reply['counters'];
  85                         var articles = reply['articles'];
  86                         //var runtime_info = reply['runtime-info'];
  87
  88                         if (infscroll_req == false) {
  89                                 loaded_article_ids = [];
  90
  91                                 dojo.html.set($("headlines-toolbar"),
  92                                                 reply['headlines']['toolbar'],
  93                                                 {parseContent: true});
  94
  95                                 dojo.html.set($("headlines-frame"),
  96                                         reply['headlines']['content'],
  97                                         {parseContent: true});
  98
  99                                 $$("#headlines-frame div[id*='RROW']").each(function(row) {
 100                                         loaded_article_ids.push(row.id);
 101                                 });
 102
 103                                 var hsp = $("headlines-spacer");
 104                                 if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 105                                 dijit.byId('headlines-frame').domNode.appendChild(hsp);
 106
 107                                 initHeadlinesMenu();
 108
 109                                 if (_infscroll_disable)
 110                                         hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 111                                                 __("Click to open next unread feed.") + "</a>";
 112
 113                                 if (_search_query) {
 114                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 115                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 116                                                 "</span>";
 117                                 }
 118
 119                         } else {
 120
 121                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 122                                         console.log("adding some more headlines: " + headlines_count);
 123
 124                                         var c = dijit.byId("headlines-frame");
 125                                         var ids = getSelectedArticleIds2();
 126
 127                                         var hsp = $("headlines-spacer");
 128
 129                                         if (hsp)
 130                                                 c.domNode.removeChild(hsp);
 131
 132                                         var tmp = new Element("div");
 133                                         tmp.innerHTML = reply['headlines']['content'];
 134                                         dojo.parser.parse(tmp);
 135
 136                                         while (tmp.hasChildNodes()) {
 137                                                 var row = tmp.removeChild(tmp.firstChild);
 138
 139                                                 if (loaded_article_ids.indexOf(row.id) == -1 || row.hasClassName("cdmFeedTitle")) {
 140                                                         dijit.byId("headlines-frame").domNode.appendChild(row);
 141                                                         //Element.hide(row);
 142                                                         //new Effect.Appear(row, {duration:0.5});
 143                                                         loaded_article_ids.push(row.id);
 144                                                 }
 145                                         }
 146
 147                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 148                                         c.domNode.appendChild(hsp);
 149
 150                                         if (headlines_count < 30) _infscroll_disable = true;
 151
 152                                         console.log("restore selected ids: " + ids);
 153
 154                                         for (var i = 0; i < ids.length; i++) {
 155                                                 markHeadline(ids[i]);
 156                                         }
 157
 158                                         initHeadlinesMenu();
 159
 160                                         if (_infscroll_disable) {
 161                                                 hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 162                                                 __("Click to open next unread feed.") + "</a>";
 163                                         }
 164
 165                                 } else {
 166                                         console.log("no new headlines received");
 167
 168                                         var first_id_changed = reply['headlines']['first_id_changed'];
 169                                         console.log("first id changed:" + first_id_changed);
 170
 171                                         var hsp = $("headlines-spacer");
 172
 173                                         if (hsp) {
 174                                                 if (first_id_changed) {
 175                                                         hsp.innerHTML = "<a href='#' onclick='viewCurrentFeed()'>" +
 176                                                         __("New articles found, reload feed to continue.") + "</a>";
 177                                                 } else {
 178                                                         hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 179                                                         __("Click to open next unread feed.") + "</a>";
 180                                                 }
 181
 182                                         }
 183
 184                                 }
 185                         }
 186
 187                         if (articles) {
 188                                 for (var i = 0; i < articles.length; i++) {
 189                                         var a_id = articles[i]['id'];
 190                                         cache_set("article:" + a_id, articles[i]['content']);
 191                                 }
 192                         } else {
 193                                 console.log("no cached articles received");
 194                         }
 195
 196                         if (counters)
 197                                 parse_counters(counters);
 198                         else
 199                                 request_counters(true);
 200
 201                 } else {
 202                         console.error("Invalid object received: " + transport.responseText);
 203                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 204                                         __('Could not update headlines (invalid object received - see error console for details)') +
 205                                         "</div>");
 206                 }
 207
 208                 _infscroll_request_sent = 0;
 209                 _last_headlines_update = new Date().getTime();
 210
 211                 unpackVisibleHeadlines();
 212
 213                 // if we have some more space in the buffer, why not try to fill it
 214
 215                 if (!_infscroll_disable && $("headlines-spacer") &&
 216                                 $("headlines-spacer").offsetTop < $("headlines-frame").offsetHeight) {
 217
 218                         window.setTimeout(function() {
 219                                 loadMoreHeadlines();
 220                         }, 250);
 221                 }
 222
 223                 notify("");
 224
 225         } catch (e) {
 226                 exception_error("headlines_callback2", e, transport);
 227         }
 228 }
 229
 230 function render_article(article) {
 231         try {
 232                 dijit.byId("headlines-wrap-inner").addChild(
 233                                 dijit.byId("content-insert"));
 234
 235                 var c = dijit.byId("content-insert");
 236
 237                 try {
 238                         c.domNode.scrollTop = 0;
 239                 } catch (e) { };
 240
 241                 c.attr('content', article);
 242                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED, c.domNode);
 243
 244                 correctHeadlinesOffset(getActiveArticleId());
 245
 246                 try {
 247                         c.focus();
 248                 } catch (e) { };
 249
 250         } catch (e) {
 251                 exception_error("render_article", e);
 252         }
 253 }
 254
 255 function showArticleInHeadlines(id, noexpand) {
 256
 257         try {
 258                 selectArticles("none");
 259
 260                 var crow = $("RROW-" + id);
 261
 262                 if (!crow) return;
 263
 264                 var article_is_unread = crow.hasClassName("Unread");
 265
 266                 if (!noexpand)
 267                         crow.removeClassName("Unread");
 268                 crow.addClassName("active");
 269
 270                 selectArticles('none');
 271
 272                 var view_mode = false;
 273
 274                 try {
 275                         view_mode = document.forms['main_toolbar_form'].view_mode;
 276                         view_mode = view_mode[view_mode.selectedIndex].value;
 277                 } catch (e) {
 278                         //
 279                 }
 280
 281                 markHeadline(id);
 282
 283                 if (article_is_unread && !noexpand)
 284                         _force_scheduled_update = true;
 285
 286         } catch (e) {
 287                 exception_error("showArticleInHeadlines", e);
 288         }
 289 }
 290
 291 function article_callback2(transport, id) {
 292         try {
 293                 console.log("article_callback2 " + id);
 294
 295                 handle_rpc_json(transport);
 296
 297                 var reply = false;
 298
 299                 try {
 300                         reply = JSON.parse(transport.responseText);
 301                 } catch (e) {
 302                         console.error(e);
 303                 }
 304
 305                 if (reply) {
 306
 307                         reply.each(function(article) {
 308                                 if (getActiveArticleId() == article['id']) {
 309                                         render_article(article['content']);
 310                                 }
 311                                 cids_requested.remove(article['id']);
 312
 313                                 cache_set("article:" + article['id'], article['content']);
 314                         });
 315
 316 //                      if (id != last_requested_article) {
 317 //                              console.log("requested article id is out of sequence, aborting");
 318 //                              return;
 319 //                      }
 320
 321                 } else {
 322                         console.error("Invalid object received: " + transport.responseText);
 323
 324                         render_article("<div class='whiteBox'>" +
 325                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 326                 }
 327
 328                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 329                 request_counters(unread_in_buffer == 0);
 330
 331                 notify("");
 332         } catch (e) {
 333                 exception_error("article_callback2", e, transport);
 334         }
 335 }
 336
 337 function view(id, activefeed, noexpand) {
 338         try {
 339                 var oldrow = $("RROW-" + getActiveArticleId());
 340                 if (oldrow) oldrow.removeClassName("active");
 341
 342                 var crow = $("RROW-" + id);
 343
 344                 if (!crow) return;
 345                 if (noexpand) {
 346                         setActiveArticleId(id);
 347                         showArticleInHeadlines(id, noexpand);
 348                         return;
 349                 }
 350
 351                 console.log("loading article: " + id);
 352
 353                 var cached_article = cache_get("article:" + id);
 354
 355                 console.log("cache check result: " + (cached_article != false));
 356
 357                 var query = "?op=article&method=view&id=" + param_escape(id);
 358
 359                 var neighbor_ids = getRelativePostIds(id);
 360
 361                 /* only request uncached articles */
 362
 363                 var cids_to_request = [];
 364
 365                 for (var i = 0; i < neighbor_ids.length; i++) {
 366                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 367                                 if (!cache_get("article:" + neighbor_ids[i])) {
 368                                         cids_to_request.push(neighbor_ids[i]);
 369                                         cids_requested.push(neighbor_ids[i]);
 370                                 }
 371                 }
 372
 373                 console.log("additional ids: " + cids_to_request.toString());
 374
 375                 query = query + "&cids=" + cids_to_request.toString();
 376
 377                 var article_is_unread = crow.hasClassName("Unread");
 378
 379                 setActiveArticleId(id);
 380                 showArticleInHeadlines(id);
 381
 382                 if (cached_article && article_is_unread) {
 383
 384                         query = query + "&mode=prefetch";
 385
 386                         render_article(cached_article);
 387
 388                 } else if (cached_article) {
 389
 390                         query = query + "&mode=prefetch_old";
 391                         render_article(cached_article);
 392
 393                         // if we don't need to request any relative ids, we might as well skip
 394                         // the server roundtrip altogether
 395                         if (cids_to_request.length == 0) {
 396                                 return;
 397                         }
 398                 }
 399
 400                 last_requested_article = id;
 401
 402                 console.log(query);
 403
 404                 if (article_is_unread) {
 405                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 406                 }
 407
 408                 new Ajax.Request("backend.php", {
 409                         parameters: query,
 410                         onComplete: function(transport) {
 411                                 article_callback2(transport, id);
 412                         } });
 413
 414                 return false;
 415
 416         } catch (e) {
 417                 exception_error("view", e);
 418         }
 419 }
 420
 421 function toggleMark(id, client_only) {
 422         try {
 423                 var query = "?op=rpc&id=" + id + "&method=mark";
 424
 425                 var row = $("RROW-" + id);
 426                 if (!row) return;
 427
 428                 var imgs = [];
 429
 430                 var row_imgs = row.getElementsByClassName("markedPic");
 431
 432                 for (var i = 0; i < row_imgs.length; i++)
 433                         imgs.push(row_imgs[i]);
 434
 435                 var ft = $("floatingTitle");
 436
 437                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 438                         var fte = ft.getElementsByClassName("markedPic");
 439
 440                         for (var i = 0; i < fte.length; i++)
 441                                 imgs.push(fte[i]);
 442                 }
 443
 444                 for (i = 0; i < imgs.length; i++) {
 445                         var img = imgs[i];
 446
 447                         if (!row.hasClassName("marked")) {
 448                                 img.src = img.src.replace("mark_unset", "mark_set");
 449                                 img.alt = __("Unstar article");
 450                                 query = query + "&mark=1";
 451                         } else {
 452                                 img.src = img.src.replace("mark_set", "mark_unset");
 453                                 img.alt = __("Star article");
 454                                 query = query + "&mark=0";
 455                         }
 456                 }
 457
 458                 row.toggleClassName("marked");
 459
 460                 if (!client_only) {
 461                         new Ajax.Request("backend.php", {
 462                                 parameters: query,
 463                                 onComplete: function(transport) {
 464                                         handle_rpc_json(transport);
 465                                 } });
 466                 }
 467
 468         } catch (e) {
 469                 exception_error("toggleMark", e);
 470         }
 471 }
 472
 473 function togglePub(id, client_only, no_effects, note) {
 474         try {
 475                 var query = "?op=rpc&id=" + id + "&method=publ";
 476
 477                 if (note != undefined) {
 478                         query = query + "&note=" + param_escape(note);
 479                 } else {
 480                         query = query + "&note=undefined";
 481                 }
 482
 483                 var row = $("RROW-" + id);
 484                 if (!row) return;
 485
 486                 var imgs = [];
 487
 488                 var row_imgs = row.getElementsByClassName("pubPic");
 489
 490                 for (var i = 0; i < row_imgs.length; i++)
 491                         imgs.push(row_imgs[i]);
 492
 493                 var ft = $("floatingTitle");
 494
 495                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 496                         var fte = ft.getElementsByClassName("pubPic");
 497
 498                         for (var i = 0; i < fte.length; i++)
 499                                 imgs.push(fte[i]);
 500                 }
 501
 502                 for (i = 0; i < imgs.length; i++) {
 503                         var img = imgs[i];
 504
 505                         if (!row.hasClassName("published") || note != undefined) {
 506                                 img.src = img.src.replace("pub_unset", "pub_set");
 507                                 img.alt = __("Unpublish article");
 508                                 query = query + "&pub=1";
 509                         } else {
 510                                 img.src = img.src.replace("pub_set", "pub_unset");
 511                                 img.alt = __("Publish article");
 512                                 query = query + "&pub=0";
 513                         }
 514                 }
 515
 516                 if (note != undefined)
 517                         row.addClassName("published");
 518                 else
 519                         row.toggleClassName("published");
 520
 521                 if (!client_only) {
 522                         new Ajax.Request("backend.php", {
 523                                 parameters: query,
 524                                 onComplete: function(transport) {
 525                                         handle_rpc_json(transport);
 526                                 } });
 527                 }
 528
 529         } catch (e) {
 530                 exception_error("togglePub", e);
 531         }
 532 }
 533
 534 function moveToPost(mode, noscroll, noexpand) {
 535
 536         try {
 537
 538                 var rows = getVisibleArticleIds();
 539
 540                 var prev_id = false;
 541                 var next_id = false;
 542
 543                 if (!$('RROW-' + getActiveArticleId())) {
 544                         setActiveArticleId(0);
 545                 }
 546
 547                 if (!getActiveArticleId()) {
 548                         next_id = rows[0];
 549                         prev_id = rows[rows.length-1]
 550                 } else {
 551                         for (var i = 0; i < rows.length; i++) {
 552                                 if (rows[i] == getActiveArticleId()) {
 553
 554                                         // Account for adjacent identical article ids.
 555                                         if (i > 0) prev_id = rows[i-1];
 556
 557                                         for (var j = i+1; j < rows.length; j++) {
 558                                                 if (rows[j] != getActiveArticleId()) {
 559                                                         next_id = rows[j];
 560                                                         break;
 561                                                 }
 562                                         }
 563                                         break;
 564                                 }
 565                         }
 566                 }
 567
 568                 if (mode == "next") {
 569                         if (next_id || getActiveArticleId()) {
 570                                 if (isCdmMode()) {
 571
 572                                         var article = $("RROW-" + getActiveArticleId());
 573                                         var ctr = $("headlines-frame");
 574
 575                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 576                                                         ctr.scrollTop + ctr.offsetHeight) {
 577
 578                                                 scrollArticle(ctr.offsetHeight/4);
 579
 580                                         } else if (next_id) {
 581                                                 cdmExpandArticle(next_id, noexpand);
 582                                                 cdmScrollToArticleId(next_id, true);
 583                                         }
 584
 585                                 } else if (next_id) {
 586                                         correctHeadlinesOffset(next_id);
 587                                         view(next_id, getActiveFeedId(), noexpand);
 588                                 }
 589                         }
 590                 }
 591
 592                 if (mode == "prev") {
 593                         if (prev_id || getActiveArticleId()) {
 594                                 if (isCdmMode()) {
 595
 596                                         var article = $("RROW-" + getActiveArticleId());
 597                                         var prev_article = $("RROW-" + prev_id);
 598                                         var ctr = $("headlines-frame");
 599
 600                                         if (!getInitParam("cdm_expanded")) {
 601
 602                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 603                                                         scrollArticle(-ctr.offsetHeight/4);
 604                                                 } else {
 605                                                         cdmExpandArticle(prev_id, noexpand);
 606                                                         cdmScrollToArticleId(prev_id, true);
 607                                                 }
 608                                         } else {
 609
 610                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 611                                                         scrollArticle(-ctr.offsetHeight/3);
 612                                                 } else if (!noscroll && prev_article &&
 613                                                                 prev_article.offsetTop < ctr.scrollTop) {
 614                                                         cdmExpandArticle(prev_id, noexpand);
 615                                                         scrollArticle(-ctr.offsetHeight/4);
 616                                                 } else if (prev_id) {
 617                                                         cdmExpandArticle(prev_id, noexpand);
 618                                                         cdmScrollToArticleId(prev_id, noscroll);
 619                                                 }
 620                                         }
 621
 622                                 } else if (prev_id) {
 623                                         correctHeadlinesOffset(prev_id);
 624                                         view(prev_id, getActiveFeedId(), noexpand);
 625                                 }
 626                         }
 627                 }
 628
 629         } catch (e) {
 630                 exception_error("moveToPost", e);
 631         }
 632 }
 633
 634 function toggleSelected(id, force_on) {
 635         try {
 636                 var row = $("RROW-" + id);
 637
 638                 if (row) {
 639                         var cb = dijit.getEnclosingWidget(
 640                                         row.getElementsByClassName("rchk")[0]);
 641
 642                         if (row.hasClassName('Selected') && !force_on) {
 643                                 row.removeClassName('Selected');
 644                                 if (cb) cb.attr("checked", false);
 645                         } else {
 646                                 row.addClassName('Selected');
 647                                 if (cb) cb.attr("checked", true);
 648                         }
 649                 }
 650
 651                 updateSelectedPrompt();
 652         } catch (e) {
 653                 exception_error("toggleSelected", e);
 654         }
 655 }
 656
 657 function updateSelectedPrompt() {
 658         try {
 659                 var count = getSelectedArticleIds2().size();
 660                 var elem = $("selected_prompt");
 661
 662                 if (elem) {
 663                         elem.innerHTML = ngettext("%d article selected",
 664                                         "%d articles selected", count).replace("%d", count);
 665
 666                         if (count > 0)
 667                                 Element.show(elem);
 668                         else
 669                                 Element.hide(elem);
 670                 }
 671
 672         } catch (e) {
 673                 exception_error("updateSelectedPrompt", e);
 674         }
 675 }
 676
 677 function toggleUnread_afh(effect) {
 678         try {
 679
 680                 var elem = effect.element;
 681                 elem.style.backgroundColor = "";
 682
 683         } catch (e) {
 684                 exception_error("toggleUnread_afh", e);
 685         }
 686 }
 687
 688 function toggleUnread(id, cmode, effect) {
 689         try {
 690
 691                 var row = $("RROW-" + id);
 692                 if (row) {
 693                         if (cmode == undefined || cmode == 2) {
 694                                 if (row.hasClassName("Unread")) {
 695                                         row.removeClassName("Unread");
 696
 697                                 } else {
 698                                         row.addClassName("Unread");
 699                                 }
 700
 701                         } else if (cmode == 0) {
 702
 703                                 row.removeClassName("Unread");
 704
 705                         } else if (cmode == 1) {
 706                                 row.addClassName("Unread");
 707                         }
 708
 709                         if (cmode == undefined) cmode = 2;
 710
 711                         var query = "?op=rpc&method=catchupSelected" +
 712                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 713
 714 //                      notify_progress("Loading, please wait...");
 715
 716                         new Ajax.Request("backend.php", {
 717                                 parameters: query,
 718                                 onComplete: function(transport) {
 719                                         handle_rpc_json(transport);
 720                                 } });
 721
 722                 }
 723
 724         } catch (e) {
 725                 exception_error("toggleUnread", e);
 726         }
 727 }
 728
 729 function selectionRemoveLabel(id, ids) {
 730         try {
 731
 732                 if (!ids) ids = getSelectedArticleIds2();
 733
 734                 if (ids.length == 0) {
 735                         alert(__("No articles are selected."));
 736                         return;
 737                 }
 738
 739                 var query = "?op=article&method=removeFromLabel&ids=" +
 740                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 741
 742                 console.log(query);
 743
 744                 new Ajax.Request("backend.php", {
 745                         parameters: query,
 746                         onComplete: function(transport) {
 747                                 handle_rpc_json(transport);
 748                                 show_labels_in_headlines(transport);
 749                         } });
 750
 751         } catch (e) {
 752                 exception_error("selectionAssignLabel", e);
 753
 754         }
 755 }
 756
 757 function selectionAssignLabel(id, ids) {
 758         try {
 759
 760                 if (!ids) ids = getSelectedArticleIds2();
 761
 762                 if (ids.length == 0) {
 763                         alert(__("No articles are selected."));
 764                         return;
 765                 }
 766
 767                 var query = "?op=article&method=assignToLabel&ids=" +
 768                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 769
 770                 console.log(query);
 771
 772                 new Ajax.Request("backend.php", {
 773                         parameters: query,
 774                         onComplete: function(transport) {
 775                                 handle_rpc_json(transport);
 776                                 show_labels_in_headlines(transport);
 777                         } });
 778
 779         } catch (e) {
 780                 exception_error("selectionAssignLabel", e);
 781
 782         }
 783 }
 784
 785 function selectionToggleUnread(set_state, callback, no_error, ids) {
 786         try {
 787                 var rows = ids ? ids : getSelectedArticleIds2();
 788
 789                 if (rows.length == 0 && !no_error) {
 790                         alert(__("No articles are selected."));
 791                         return;
 792                 }
 793
 794                 for (var i = 0; i < rows.length; i++) {
 795                         var row = $("RROW-" + rows[i]);
 796                         if (row) {
 797                                 if (set_state == undefined) {
 798                                         if (row.hasClassName("Unread")) {
 799                                                 row.removeClassName("Unread");
 800                                         } else {
 801                                                 row.addClassName("Unread");
 802                                         }
 803                                 }
 804
 805                                 if (set_state == false) {
 806                                         row.removeClassName("Unread");
 807                                 }
 808
 809                                 if (set_state == true) {
 810                                         row.addClassName("Unread");
 811                                 }
 812                         }
 813                 }
 814
 815                 updateFloatingTitle(true);
 816
 817                 if (rows.length > 0) {
 818
 819                         var cmode = "";
 820
 821                         if (set_state == undefined) {
 822                                 cmode = "2";
 823                         } else if (set_state == true) {
 824                                 cmode = "1";
 825                         } else if (set_state == false) {
 826                                 cmode = "0";
 827                         }
 828
 829                         var query = "?op=rpc&method=catchupSelected" +
 830                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 831
 832                         notify_progress("Loading, please wait...");
 833
 834                         new Ajax.Request("backend.php", {
 835                                 parameters: query,
 836                                 onComplete: function(transport) {
 837                                         handle_rpc_json(transport);
 838                                         if (callback) callback(transport);
 839                                 } });
 840
 841                 }
 842
 843         } catch (e) {
 844                 exception_error("selectionToggleUnread", e);
 845         }
 846 }
 847
 848 // sel_state ignored
 849 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 850         try {
 851
 852                 var rows = ids ? ids : getSelectedArticleIds2();
 853
 854                 if (rows.length == 0 && !no_error) {
 855                         alert(__("No articles are selected."));
 856                         return;
 857                 }
 858
 859                 for (var i = 0; i < rows.length; i++) {
 860                         toggleMark(rows[i], true, true);
 861                 }
 862
 863                 if (rows.length > 0) {
 864
 865                         var query = "?op=rpc&method=markSelected&ids=" +
 866                                 param_escape(rows.toString()) + "&cmode=2";
 867
 868                         new Ajax.Request("backend.php", {
 869                                 parameters: query,
 870                                 onComplete: function(transport) {
 871                                         handle_rpc_json(transport);
 872                                         if (callback) callback(transport);
 873                                 } });
 874
 875                 }
 876
 877         } catch (e) {
 878                 exception_error("selectionToggleMarked", e);
 879         }
 880 }
 881
 882 // sel_state ignored
 883 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 884         try {
 885
 886                 var rows = ids ? ids : getSelectedArticleIds2();
 887
 888                 if (rows.length == 0 && !no_error) {
 889                         alert(__("No articles are selected."));
 890                         return;
 891                 }
 892
 893                 for (var i = 0; i < rows.length; i++) {
 894                         togglePub(rows[i], true, true);
 895                 }
 896
 897                 if (rows.length > 0) {
 898
 899                         var query = "?op=rpc&method=publishSelected&ids=" +
 900                                 param_escape(rows.toString()) + "&cmode=2";
 901
 902                         new Ajax.Request("backend.php", {
 903                                 parameters: query,
 904                                 onComplete: function(transport) {
 905                                         handle_rpc_json(transport);
 906                                 } });
 907
 908                 }
 909
 910         } catch (e) {
 911                 exception_error("selectionToggleMarked", e);
 912         }
 913 }
 914
 915 function getSelectedArticleIds2() {
 916
 917         var rv = [];
 918
 919         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 920                 function(child) {
 921                         rv.push(child.id.replace("RROW-", ""));
 922                 });
 923
 924         return rv;
 925 }
 926
 927 function getLoadedArticleIds() {
 928         var rv = [];
 929
 930         var children = $$("#headlines-frame > div[id*=RROW-]");
 931
 932         children.each(function(child) {
 933                         rv.push(child.id.replace("RROW-", ""));
 934                 });
 935
 936         return rv;
 937
 938 }
 939
 940 // mode = all,none,unread,invert,marked,published
 941 function selectArticles(mode, query) {
 942         try {
 943
 944                 if (!query) query = "#headlines-frame > div[id*=RROW]";
 945
 946                 var children = $$(query);
 947
 948                 children.each(function(child) {
 949                         var id = child.id.replace("RROW-", "");
 950
 951                         var cb = dijit.getEnclosingWidget(
 952                                         child.getElementsByClassName("rchk")[0]);
 953
 954                         if (mode == "all") {
 955                                 child.addClassName("Selected");
 956                                 if (cb) cb.attr("checked", true);
 957                         } else if (mode == "unread") {
 958                                 if (child.hasClassName("Unread")) {
 959                                         child.addClassName("Selected");
 960                                         if (cb) cb.attr("checked", true);
 961                                 } else {
 962                                         child.removeClassName("Selected");
 963                                         if (cb) cb.attr("checked", false);
 964                                 }
 965                         } else if (mode == "marked") {
 966                                 if (child.hasClassName("marked")) {
 967                                         child.addClassName("Selected");
 968                                         if (cb) cb.attr("checked", true);
 969                                 } else {
 970                                         child.removeClassName("Selected");
 971                                         if (cb) cb.attr("checked", false);
 972                                 }
 973                         } else if (mode == "published") {
 974                                 if (child.hasClassName("published")) {
 975                                         child.addClassName("Selected");
 976                                         if (cb) cb.attr("checked", true);
 977                                 } else {
 978                                         child.removeClassName("Selected");
 979                                         if (cb) cb.attr("checked", false);
 980                                 }
 981
 982                         } else if (mode == "invert") {
 983                                 if (child.hasClassName("Selected")) {
 984                                         child.removeClassName("Selected");
 985                                         if (cb) cb.attr("checked", false);
 986                                 } else {
 987                                         child.addClassName("Selected");
 988                                         if (cb) cb.attr("checked", true);
 989                                 }
 990
 991                         } else {
 992                                 child.removeClassName("Selected");
 993                                 if (cb) cb.attr("checked", false);
 994                         }
 995                 });
 996
 997                 updateSelectedPrompt();
 998
 999         } catch (e) {
1000                 exception_error("selectArticles", e);
1001         }
1002 }
1003
1004 function deleteSelection() {
1005
1006         try {
1007
1008                 var rows = getSelectedArticleIds2();
1009
1010                 if (rows.length == 0) {
1011                         alert(__("No articles are selected."));
1012                         return;
1013                 }
1014
1015                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1016                 var str;
1017
1018                 if (getActiveFeedId() != 0) {
1019                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
1020                 } else {
1021                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
1022                 }
1023
1024                 str = str.replace("%d", rows.length);
1025                 str = str.replace("%s", fn);
1026
1027                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1028                         return;
1029                 }
1030
1031                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
1032
1033                 console.log(query);
1034
1035                 new Ajax.Request("backend.php", {
1036                         parameters: query,
1037                         onComplete: function(transport) {
1038                                         handle_rpc_json(transport);
1039                                         viewCurrentFeed();
1040                                 } });
1041
1042         } catch (e) {
1043                 exception_error("deleteSelection", e);
1044         }
1045 }
1046
1047 function archiveSelection() {
1048
1049         try {
1050
1051                 var rows = getSelectedArticleIds2();
1052
1053                 if (rows.length == 0) {
1054                         alert(__("No articles are selected."));
1055                         return;
1056                 }
1057
1058                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1059                 var str;
1060                 var op;
1061
1062                 if (getActiveFeedId() != 0) {
1063                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1064                         op = "archive";
1065                 } else {
1066                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1067
1068                         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
1069
1070                         op = "unarchive";
1071                 }
1072
1073                 str = str.replace("%d", rows.length);
1074                 str = str.replace("%s", fn);
1075
1076                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1077                         return;
1078                 }
1079
1080                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1081
1082                 console.log(query);
1083
1084                 for (var i = 0; i < rows.length; i++) {
1085                         cache_delete("article:" + rows[i]);
1086                 }
1087
1088                 new Ajax.Request("backend.php", {
1089                         parameters: query,
1090                         onComplete: function(transport) {
1091                                         handle_rpc_json(transport);
1092                                         viewCurrentFeed();
1093                                 } });
1094
1095         } catch (e) {
1096                 exception_error("archiveSelection", e);
1097         }
1098 }
1099
1100 function catchupSelection() {
1101
1102         try {
1103
1104                 var rows = getSelectedArticleIds2();
1105
1106                 if (rows.length == 0) {
1107                         alert(__("No articles are selected."));
1108                         return;
1109                 }
1110
1111                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1112
1113                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1114
1115                 str = str.replace("%d", rows.length);
1116                 str = str.replace("%s", fn);
1117
1118                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1119                         return;
1120                 }
1121
1122                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1123
1124         } catch (e) {
1125                 exception_error("catchupSelection", e);
1126         }
1127 }
1128
1129 function editArticleTags(id) {
1130                 var query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
1131
1132                 if (dijit.byId("editTagsDlg"))
1133                         dijit.byId("editTagsDlg").destroyRecursive();
1134
1135                 dialog = new dijit.Dialog({
1136                         id: "editTagsDlg",
1137                         title: __("Edit article Tags"),
1138                         style: "width: 600px",
1139                         execute: function() {
1140                                 if (this.validate()) {
1141                                         var query = dojo.objectToQuery(this.attr('value'));
1142
1143                                         notify_progress("Saving article tags...", true);
1144
1145                                         new Ajax.Request("backend.php", {
1146                                         parameters: query,
1147                                         onComplete: function(transport) {
1148                                                 try {
1149                                                         notify('');
1150                                                         dialog.hide();
1151
1152                                                         var data = JSON.parse(transport.responseText);
1153
1154                                                         if (data) {
1155                                                                 var id = data.id;
1156
1157                                                                 console.log(id);
1158
1159                                                                 var tags = $("ATSTR-" + id);
1160                                                                 var tooltip = dijit.byId("ATSTRTIP-" + id);
1161
1162                                                                 if (tags) tags.innerHTML = data.content;
1163                                                                 if (tooltip) tooltip.attr('label', data.content_full);
1164                                                         }
1165                                                 } catch (e) {
1166                                                         exception_error("editArticleTags/inner", e);
1167                                                 }
1168
1169                                         }});
1170                                 }
1171                         },
1172                         href: query
1173                 });
1174
1175                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1176                 dojo.disconnect(tmph);
1177
1178                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1179                            "backend.php?op=article&method=completeTags",
1180                            { tokens: ',', paramName: "search" });
1181                 });
1182
1183                 dialog.show();
1184
1185 }
1186
1187 function cdmScrollToArticleId(id, force) {
1188         try {
1189                 var ctr = $("headlines-frame");
1190                 var e = $("RROW-" + id);
1191
1192                 if (!e || !ctr) return;
1193
1194                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1195                                 e.offsetTop < ctr.scrollTop) {
1196
1197                         // expanded cdm has a 4px margin now
1198                         ctr.scrollTop = parseInt(e.offsetTop) - 4;
1199                 }
1200
1201         } catch (e) {
1202                 exception_error("cdmScrollToArticleId", e);
1203         }
1204 }
1205
1206 function setActiveArticleId(id) {
1207         _active_article_id = id;
1208         PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
1209 }
1210
1211 function getActiveArticleId() {
1212         return _active_article_id;
1213 }
1214
1215 function postMouseIn(e, id) {
1216         post_under_pointer = id;
1217 }
1218
1219 function postMouseOut(id) {
1220         post_under_pointer = false;
1221 }
1222
1223 function unpackVisibleHeadlines() {
1224         try {
1225                 if (!isCdmMode() || !getInitParam("cdm_expanded")) return;
1226
1227                 $$("#headlines-frame > div[id*=RROW]").each(
1228                         function(child) {
1229                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1230                                         $("headlines-frame").offsetHeight) {
1231
1232                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1233
1234                                         if (cencw) {
1235                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1236                                                 cencw.setAttribute('id', '');
1237
1238                                                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED_CDM, child);
1239
1240                                                 Element.show(cencw);
1241                                         }
1242                                 }
1243                         }
1244                 );
1245
1246         } catch (e) {
1247                 exception_error("unpackVisibleHeadlines", e);
1248         }
1249 }
1250
1251 function headlines_scroll_handler(e) {
1252         try {
1253                 var hsp = $("headlines-spacer");
1254
1255                 unpackVisibleHeadlines();
1256
1257                 // set topmost child in the buffer as active
1258                 if (isCdmMode() && getInitParam("cdm_auto_catchup") == 1 &&
1259                                 getSelectedArticleIds2().length <= 1 &&
1260                                 getInitParam("cdm_expanded")) {
1261                         var rows = $$("#headlines-frame > div[id*=RROW]");
1262
1263                         for (var i = 0; i < rows.length; i++) {
1264                                 var child = rows[i];
1265
1266                                 if ($("headlines-frame").scrollTop <= child.offsetTop &&
1267                                         child.offsetTop - $("headlines-frame").scrollTop < 100 &&
1268                                         child.id.replace("RROW-", "") != _active_article_id) {
1269
1270                                         if (_active_article_id) {
1271                                                 var row = $("RROW-" + _active_article_id);
1272                                                 if (row) row.removeClassName("active");
1273                                         }
1274
1275                                         _active_article_id = child.id.replace("RROW-", "");
1276                                         showArticleInHeadlines(_active_article_id, true);
1277                                         updateSelectedPrompt();
1278                                         break;
1279                                 }
1280                         }
1281                 }
1282
1283                 if (!_infscroll_disable) {
1284                         if (hsp && hsp.offsetTop - 100 <= e.scrollTop + e.offsetHeight) {
1285
1286                                 hsp.innerHTML = "<span class='loading'><img src='images/indicator_tiny.gif'> " +
1287                                         __("Loading, please wait...") + "</span>";
1288
1289                                 loadMoreHeadlines();
1290                                 return;
1291
1292                         }
1293                 }
1294
1295                 if (isCdmMode()) {
1296                         updateFloatingTitle();
1297                 }
1298
1299                 if (getInitParam("cdm_auto_catchup") == 1) {
1300
1301                         // let's get DOM some time to settle down
1302                         var ts = new Date().getTime();
1303                         if (ts - _last_headlines_update < 100) return;
1304
1305                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1306                                 function(child) {
1307                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1308                                                         (child.offsetTop + child.offsetHeight/2)) {
1309
1310                                                 var id = child.id.replace("RROW-", "");
1311
1312                                                 if (catchup_id_batch.indexOf(id) == -1)
1313                                                         catchup_id_batch.push(id);
1314
1315                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1316                                         }
1317
1318                                 });
1319
1320                         if (catchup_id_batch.length > 0) {
1321                                 window.clearTimeout(catchup_timeout_id);
1322
1323                                 catchup_timeout_id = window.setTimeout('catchupBatchedArticles()', 500);
1324
1325                                 if (catchup_id_batch.length >= 10) {
1326                                         catchupBatchedArticles();
1327                                 }
1328                         }
1329
1330                         if (_infscroll_disable) {
1331                                 var child = $$("#headlines-frame div[id*=RROW]").last();
1332
1333                                 if (child && $("headlines-frame").scrollTop >
1334                                                 (child.offsetTop + child.offsetHeight - 50)) {
1335
1336                                         console.log("we seem to be at an end");
1337
1338                                         if (getInitParam("on_catchup_show_next_feed") == "1") {
1339                                                 openNextUnreadFeed();
1340                                         }
1341                                 }
1342                         }
1343                 }
1344
1345         } catch (e) {
1346                 console.warn("headlines_scroll_handler: " + e);
1347         }
1348 }
1349
1350 function openNextUnreadFeed() {
1351         try {
1352                 var is_cat = activeFeedIsCat();
1353                 var nuf = getNextUnreadFeed(getActiveFeedId(), is_cat);
1354                 if (nuf) viewfeed(nuf, '', is_cat);
1355         } catch (e) {
1356                 exception_error("openNextUnreadFeed", e);
1357         }
1358 }
1359
1360 function catchupBatchedArticles() {
1361         try {
1362                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent && !_catchup_request_sent) {
1363
1364                         // make a copy of the array
1365                         var batch = catchup_id_batch.slice();
1366                         var query = "?op=rpc&method=catchupSelected" +
1367                                 "&cmode=0&ids=" + param_escape(batch.toString());
1368
1369                         console.log(query);
1370
1371                         _catchup_request_sent = true;
1372
1373                         new Ajax.Request("backend.php", {
1374                                 parameters: query,
1375                                 onComplete: function(transport) {
1376                                         handle_rpc_json(transport);
1377
1378                                         _catchup_request_sent = false;
1379
1380                                         reply = JSON.parse(transport.responseText);
1381                                         var batch = reply.ids;
1382
1383                                         batch.each(function(id) {
1384                                                 console.log(id);
1385                                                 var elem = $("RROW-" + id);
1386                                                 if (elem) elem.removeClassName("Unread");
1387                                                 catchup_id_batch.remove(id);
1388                                         });
1389
1390                                         updateFloatingTitle(true);
1391
1392                                 } });
1393                 }
1394
1395         } catch (e) {
1396                 exception_error("catchupBatchedArticles", e);
1397         }
1398 }
1399
1400 function catchupRelativeToArticle(below, id) {
1401
1402         try {
1403
1404                 if (!id) id = getActiveArticleId();
1405
1406                 if (!id) {
1407                         alert(__("No article is selected."));
1408                         return;
1409                 }
1410
1411                 var visible_ids = getVisibleArticleIds();
1412
1413                 var ids_to_mark = new Array();
1414
1415                 if (!below) {
1416                         for (var i = 0; i < visible_ids.length; i++) {
1417                                 if (visible_ids[i] != id) {
1418                                         var e = $("RROW-" + visible_ids[i]);
1419
1420                                         if (e && e.hasClassName("Unread")) {
1421                                                 ids_to_mark.push(visible_ids[i]);
1422                                         }
1423                                 } else {
1424                                         break;
1425                                 }
1426                         }
1427                 } else {
1428                         for (var i = visible_ids.length-1; i >= 0; i--) {
1429                                 if (visible_ids[i] != id) {
1430                                         var e = $("RROW-" + visible_ids[i]);
1431
1432                                         if (e && e.hasClassName("Unread")) {
1433                                                 ids_to_mark.push(visible_ids[i]);
1434                                         }
1435                                 } else {
1436                                         break;
1437                                 }
1438                         }
1439                 }
1440
1441                 if (ids_to_mark.length == 0) {
1442                         alert(__("No articles found to mark"));
1443                 } else {
1444                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1445
1446                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1447
1448                                 for (var i = 0; i < ids_to_mark.length; i++) {
1449                                         var e = $("RROW-" + ids_to_mark[i]);
1450                                         e.removeClassName("Unread");
1451                                 }
1452
1453                                 var query = "?op=rpc&method=catchupSelected" +
1454                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1455
1456                                 new Ajax.Request("backend.php", {
1457                                         parameters: query,
1458                                         onComplete: function(transport) {
1459                                                 handle_rpc_json(transport);
1460                                         } });
1461
1462                         }
1463                 }
1464
1465         } catch (e) {
1466                 exception_error("catchupRelativeToArticle", e);
1467         }
1468 }
1469
1470 function cdmCollapseArticle(event, id, unmark) {
1471         try {
1472                 if (unmark == undefined) unmark = true;
1473
1474                 var row = $("RROW-" + id);
1475                 var elem = $("CICD-" + id);
1476
1477                 if (elem && row) {
1478                         var collapse = $$("div#RROW-" + id +
1479                                 " span[class='collapseBtn']")[0];
1480
1481                         Element.hide(elem);
1482                         Element.show("CEXC-" + id);
1483                         Element.hide(collapse);
1484
1485                         if (unmark) {
1486                                 row.removeClassName("active");
1487
1488                                 markHeadline(id, false);
1489
1490                                 if (id == getActiveArticleId()) {
1491                                         setActiveArticleId(0);
1492                                 }
1493
1494                                 updateSelectedPrompt();
1495                         }
1496
1497                         if (event) Event.stop(event);
1498
1499                         PluginHost.run(PluginHost.HOOK_ARTICLE_COLLAPSED, id);
1500
1501                         if (row.offsetTop < $("headlines-frame").scrollTop)
1502                                 scrollToRowId(row.id);
1503
1504                         $("floatingTitle").style.visibility = "hidden";
1505                         $("floatingTitle").setAttribute("rowid", false);
1506                 }
1507
1508         } catch (e) {
1509                 exception_error("cdmCollapseArticle", e);
1510         }
1511 }
1512
1513 function cdmExpandArticle(id, noexpand) {
1514         try {
1515                 console.log("cdmExpandArticle " + id);
1516
1517                 if (!$("RROW-" + id)) return false;
1518
1519                 var oldrow = $("RROW-" + getActiveArticleId());
1520
1521                 var elem = $("CICD-" + getActiveArticleId());
1522
1523                 if (id == getActiveArticleId() && Element.visible(elem))
1524                         return true;
1525
1526                 selectArticles("none");
1527
1528                 var old_offset = $("RROW-" + id).offsetTop;
1529
1530                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1531                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1532                                 " span[class='collapseBtn']")[0];
1533
1534                         Element.hide(elem);
1535                         Element.show("CEXC-" + getActiveArticleId());
1536                         Element.hide(collapse);
1537                 }
1538
1539                 if (oldrow) oldrow.removeClassName("active");
1540
1541                 setActiveArticleId(id);
1542
1543                 elem = $("CICD-" + id);
1544
1545                 var collapse = $$("div#RROW-" + id +
1546                                 " span[class='collapseBtn']")[0];
1547
1548                 var cencw = $("CENCW-" + id);
1549
1550                 if (!Element.visible(elem) && !noexpand) {
1551                         if (cencw) {
1552                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1553                                 cencw.setAttribute('id', '');
1554                                 Element.show(cencw);
1555                         }
1556
1557                         Element.show(elem);
1558                         Element.hide("CEXC-" + id);
1559                         Element.show(collapse);
1560                 }
1561
1562                 var new_offset = $("RROW-" + id).offsetTop;
1563
1564                 if (old_offset > new_offset)
1565                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1566
1567                 if (!noexpand)
1568                         toggleUnread(id, 0, true);
1569
1570                 toggleSelected(id);
1571                 $("RROW-" + id).addClassName("active");
1572
1573                 PluginHost.run(PluginHost.HOOK_ARTICLE_EXPANDED, id);
1574
1575         } catch (e) {
1576                 exception_error("cdmExpandArticle", e);
1577         }
1578
1579         return false;
1580 }
1581
1582 function getArticleUnderPointer() {
1583         return post_under_pointer;
1584 }
1585
1586 function scrollArticle(offset) {
1587         try {
1588                 if (!isCdmMode()) {
1589                         var ci = $("content-insert");
1590                         if (ci) {
1591                                 ci.scrollTop += offset;
1592                         }
1593                 } else {
1594                         var hi = $("headlines-frame");
1595                         if (hi) {
1596                                 hi.scrollTop += offset;
1597                         }
1598
1599                 }
1600         } catch (e) {
1601                 exception_error("scrollArticle", e);
1602         }
1603 }
1604
1605 function show_labels_in_headlines(transport) {
1606         try {
1607                 var data = JSON.parse(transport.responseText);
1608
1609                 if (data) {
1610                         data['info-for-headlines'].each(function(elem) {
1611                                 $$(".HLLCTR-" + elem.id).each(function(ctr) {
1612                                         ctr.innerHTML = elem.labels;
1613                                 });
1614                         });
1615                 }
1616         } catch (e) {
1617                 exception_error("show_labels_in_headlines", e);
1618         }
1619 }
1620
1621 function dismissArticle(id) {
1622         try {
1623                 var elem = $("RROW-" + id);
1624
1625                 if (!elem) return;
1626
1627                 toggleUnread(id, 0, true);
1628
1629                 new Effect.Fade(elem, {duration : 0.5});
1630
1631                 // Remove the content, too
1632                 var elem_content = $("CICD-" + id);
1633                 if (elem_content) {
1634                         Element.remove(elem_content);
1635                 }
1636
1637                 if (id == getActiveArticleId()) {
1638                         setActiveArticleId(0);
1639                 }
1640
1641         } catch (e) {
1642                 exception_error("dismissArticle", e);
1643         }
1644 }
1645
1646 function dismissSelectedArticles() {
1647         try {
1648
1649                 var ids = getVisibleArticleIds();
1650                 var tmp = [];
1651                 var sel = [];
1652
1653                 for (var i = 0; i < ids.length; i++) {
1654                         var elem = $("RROW-" + ids[i]);
1655
1656                         if (elem.className && elem.hasClassName("Selected") &&
1657                                         ids[i] != getActiveArticleId()) {
1658                                 new Effect.Fade(elem, {duration : 0.5});
1659                                 sel.push(ids[i]);
1660
1661                                 // Remove the content, too
1662                                 var elem_content = $("CICD-" + ids[i]);
1663                                 if (elem_content) {
1664                                         Element.remove(elem_content);
1665                                 }
1666                         } else {
1667                                 tmp.push(ids[i]);
1668                         }
1669                 }
1670
1671                 if (sel.length > 0)
1672                         selectionToggleUnread(false);
1673
1674
1675         } catch (e) {
1676                 exception_error("dismissSelectedArticles", e);
1677         }
1678 }
1679
1680 function dismissReadArticles() {
1681         try {
1682
1683                 var ids = getVisibleArticleIds();
1684                 var tmp = [];
1685
1686                 for (var i = 0; i < ids.length; i++) {
1687                         var elem = $("RROW-" + ids[i]);
1688
1689                         if (elem.className && !elem.hasClassName("Unread") &&
1690                                         !elem.hasClassName("Selected")) {
1691
1692                                 new Effect.Fade(elem, {duration : 0.5});
1693
1694                                 // Remove the content, too
1695                                 var elem_content = $("CICD-" + ids[i]);
1696                                 if (elem_content) {
1697                                         Element.remove(elem_content);
1698                                 }
1699                         } else {
1700                                 tmp.push(ids[i]);
1701                         }
1702                 }
1703
1704         } catch (e) {
1705                 exception_error("dismissReadArticles", e);
1706         }
1707 }
1708
1709 // we don't really hide rows anymore
1710 function getVisibleArticleIds() {
1711         return getLoadedArticleIds();
1712
1713         /*var ids = [];
1714
1715         try {
1716
1717                 getLoadedArticleIds().each(function(id) {
1718                         var elem = $("RROW-" + id);
1719                         if (elem && Element.visible(elem))
1720                                 ids.push(id);
1721                         });
1722
1723         } catch (e) {
1724                 exception_error("getVisibleArticleIds", e);
1725         }
1726
1727         return ids; */
1728 }
1729
1730 function cdmClicked(event, id) {
1731         try {
1732                 //var shift_key = event.shiftKey;
1733
1734                 if (!event.ctrlKey) {
1735
1736                         if (!getInitParam("cdm_expanded")) {
1737                                 return cdmExpandArticle(id);
1738                         } else {
1739
1740                                 var elem = $("RROW-" + getActiveArticleId());
1741
1742                                 if (elem) elem.removeClassName("active");
1743
1744                                 selectArticles("none");
1745                                 toggleSelected(id);
1746
1747                                 var elem = $("RROW-" + id);
1748                                 var article_is_unread = elem.hasClassName("Unread");
1749
1750                                 elem.removeClassName("Unread");
1751                                 elem.addClassName("active");
1752
1753                                 setActiveArticleId(id);
1754
1755                                 if (article_is_unread) {
1756                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1757                                         updateFloatingTitle(true);
1758                                 }
1759
1760                                 var query = "?op=rpc&method=catchupSelected" +
1761                                         "&cmode=0&ids=" + param_escape(id);
1762
1763                                 new Ajax.Request("backend.php", {
1764                                         parameters: query,
1765                                         onComplete: function(transport) {
1766                                                 handle_rpc_json(transport);
1767                                         } });
1768
1769                                 return !event.shiftKey;
1770                         }
1771
1772                 } else if (event.target.parents(".cdmHeader").length > 0) {
1773
1774                         toggleSelected(id, true);
1775
1776                         var elem = $("RROW-" + id);
1777                         var article_is_unread = elem.hasClassName("Unread");
1778
1779                         if (article_is_unread) {
1780                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1781                         }
1782
1783                         toggleUnread(id, 0, false);
1784
1785                         openArticleInNewWindow(id);
1786                 }
1787
1788                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1789                 request_counters(unread_in_buffer == 0);
1790
1791         } catch (e) {
1792                 exception_error("cdmClicked");
1793         }
1794
1795         return false;
1796 }
1797
1798 function hlClicked(event, id) {
1799         try {
1800                 if (event.which == 2) {
1801                         view(id);
1802                         return true;
1803                 } else if (event.ctrlKey) {
1804                         toggleSelected(id, true);
1805                         toggleUnread(id, 0, false);
1806                         openArticleInNewWindow(id);
1807                         return false;
1808                 } else {
1809                         view(id);
1810                         return false;
1811                 }
1812
1813         } catch (e) {
1814                 exception_error("hlClicked");
1815         }
1816 }
1817
1818 function getFirstVisibleHeadlineId() {
1819         var rows = getVisibleArticleIds();
1820         return rows[0];
1821
1822 }
1823
1824 function getLastVisibleHeadlineId() {
1825         var rows = getVisibleArticleIds();
1826         return rows[rows.length-1];
1827 }
1828
1829 function openArticleInNewWindow(id) {
1830         toggleUnread(id, 0, false);
1831         window.open("backend.php?op=article&method=redirect&id=" + id);
1832 }
1833
1834 function isCdmMode() {
1835         return getInitParam("combined_display_mode");
1836 }
1837
1838 function markHeadline(id, marked) {
1839         if (marked == undefined) marked = true;
1840
1841         var row = $("RROW-" + id);
1842         if (row) {
1843                 var check = dijit.getEnclosingWidget(
1844                                 row.getElementsByClassName("rchk")[0]);
1845
1846                 if (check) {
1847                         check.attr("checked", marked);
1848                 }
1849
1850                 if (marked)
1851                         row.addClassName("Selected");
1852                 else
1853                         row.removeClassName("Selected");
1854         }
1855 }
1856
1857 function getRelativePostIds(id, limit) {
1858
1859         var tmp = [];
1860
1861         try {
1862
1863                 if (!limit) limit = 6; //3
1864
1865                 var ids = getVisibleArticleIds();
1866
1867                 for (var i = 0; i < ids.length; i++) {
1868                         if (ids[i] == id) {
1869                                 for (var k = 1; k <= limit; k++) {
1870                                         //if (i > k-1) tmp.push(ids[i-k]);
1871                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1872                                 }
1873                                 break;
1874                         }
1875                 }
1876
1877         } catch (e) {
1878                 exception_error("getRelativePostIds", e);
1879         }
1880
1881         return tmp;
1882 }
1883
1884 function correctHeadlinesOffset(id) {
1885
1886         try {
1887
1888                 var container = $("headlines-frame");
1889                 var row = $("RROW-" + id);
1890
1891                 if (!container || !row) return;
1892
1893                 var viewport = container.offsetHeight;
1894
1895                 var rel_offset_top = row.offsetTop - container.scrollTop;
1896                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1897
1898                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1899                 //console.log("Vport: " + viewport);
1900
1901                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1902                         container.scrollTop = row.offsetTop;
1903                 } else if (rel_offset_bottom > viewport) {
1904
1905                         /* doesn't properly work with Opera in some cases because
1906                                 Opera fucks up element scrolling */
1907
1908                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1909                 }
1910
1911         } catch (e) {
1912                 exception_error("correctHeadlinesOffset", e);
1913         }
1914
1915 }
1916
1917 function headlineActionsChange(elem) {
1918         try {
1919                 eval(elem.value);
1920                 elem.attr('value', 'false');
1921         } catch (e) {
1922                 exception_error("headlineActionsChange", e);
1923         }
1924 }
1925
1926 function closeArticlePanel() {
1927
1928         if (dijit.byId("content-insert"))
1929                 dijit.byId("headlines-wrap-inner").removeChild(
1930                         dijit.byId("content-insert"));
1931 }
1932
1933 function initFloatingMenu() {
1934         try {
1935                 if (dijit.byId("floatingMenu"))
1936                         dijit.byId("floatingMenu").destroyRecursive();
1937
1938                         var menu = new dijit.Menu({
1939                                 id: "floatingMenu",
1940                                 targetNodeIds: ["floatingTitle"]
1941                         });
1942
1943                         var id = $("floatingTitle").getAttribute("rowid").replace("RROW-", "");
1944
1945                         headlinesMenuCommon(menu, id);
1946
1947                         menu.startup();
1948         } catch (e) {
1949                 exception_error("initFloatingMenu", e);
1950         }
1951 }
1952
1953 function headlinesMenuCommon(menu, base_id) {
1954         try {
1955
1956                 menu.addChild(new dijit.MenuItem({
1957                         label: __("Open original article"),
1958                         onClick: function(event) {
1959                                 openArticleInNewWindow(base_id ? base_id : this.getParent().callerRowId);
1960                         }}));
1961
1962                 menu.addChild(new dijit.MenuItem({
1963                         label: __("Display article URL"),
1964                         onClick: function(event) {
1965                                 displayArticleUrl(base_id ? base_id : this.getParent().callerRowId);
1966                         }}));
1967
1968                 menu.addChild(new dijit.MenuSeparator());
1969
1970                 menu.addChild(new dijit.MenuItem({
1971                         label: __("Toggle unread"),
1972                         onClick: function(event) {
1973                                 var ids = getSelectedArticleIds2();
1974                                 // cast to string
1975                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
1976                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1977
1978                                 selectionToggleUnread(undefined, false, true, ids);
1979                                 }}));
1980
1981                 menu.addChild(new dijit.MenuItem({
1982                         label: __("Toggle starred"),
1983                         onClick: function(event) {
1984                                 var ids = getSelectedArticleIds2();
1985                                 // cast to string
1986                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
1987                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1988
1989                                 selectionToggleMarked(undefined, false, true, ids);
1990                                 }}));
1991
1992                 menu.addChild(new dijit.MenuItem({
1993                         label: __("Toggle published"),
1994                         onClick: function(event) {
1995                                 var ids = getSelectedArticleIds2();
1996                                 // cast to string
1997                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
1998                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1999
2000                                 selectionTogglePublished(undefined, false, true, ids);
2001                                 }}));
2002
2003                 menu.addChild(new dijit.MenuSeparator());
2004
2005                 menu.addChild(new dijit.MenuItem({
2006                         label: __("Mark above as read"),
2007                         onClick: function(event) {
2008                                 catchupRelativeToArticle(0, base_id ? base_id : this.getParent().callerRowId);
2009                                 }}));
2010
2011                 menu.addChild(new dijit.MenuItem({
2012                         label: __("Mark below as read"),
2013                         onClick: function(event) {
2014                                 catchupRelativeToArticle(1, base_id ? base_id : this.getParent().callerRowId);
2015                                 }}));
2016
2017
2018                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
2019
2020                 if (labels) {
2021
2022                         menu.addChild(new dijit.MenuSeparator());
2023
2024                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
2025                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
2026
2027                         labels.each(function(label) {
2028                                 var id = label.id[0];
2029                                 var bare_id = id.substr(id.indexOf(":")+1);
2030                                 var name = label.name[0];
2031
2032                                 bare_id = feed_to_label_id(bare_id);
2033
2034                                 labelAddMenu.addChild(new dijit.MenuItem({
2035                                         label: name,
2036                                         labelId: bare_id,
2037                                         onClick: function(event) {
2038                                                 var ids = getSelectedArticleIds2();
2039                                                 // cast to string
2040                                                 var id = (base_id ? base_id : this.getParent().ownerMenu.callerRowId) + "";
2041
2042                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2043
2044                                                 selectionAssignLabel(this.labelId, ids);
2045                                 }}));
2046
2047                                 labelDelMenu.addChild(new dijit.MenuItem({
2048                                         label: name,
2049                                         labelId: bare_id,
2050                                         onClick: function(event) {
2051                                                 var ids = getSelectedArticleIds2();
2052                                                 // cast to string
2053                                                 var id = (base_id ? base_id : this.getParent().ownerMenu.callerRowId) + "";
2054
2055                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2056
2057                                                 selectionRemoveLabel(this.labelId, ids);
2058                                 }}));
2059
2060                         });
2061
2062                         menu.addChild(new dijit.PopupMenuItem({
2063                                 label: __("Assign label"),
2064                                 popup: labelAddMenu
2065                         }));
2066
2067                         menu.addChild(new dijit.PopupMenuItem({
2068                                 label: __("Remove label"),
2069                                 popup: labelDelMenu
2070                         }));
2071
2072                 }
2073
2074
2075         } catch (e) {
2076                 exception_error("headlinesMenuCommon", e);
2077         }
2078 }
2079
2080 function initHeadlinesMenu() {
2081         try {
2082                 if (dijit.byId("headlinesMenu"))
2083                         dijit.byId("headlinesMenu").destroyRecursive();
2084
2085                 var ids = [];
2086
2087                 if (!isCdmMode()) {
2088                         nodes = $$("#headlines-frame > div[id*=RROW]");
2089                 } else {
2090                         nodes = $$("#headlines-frame span[id*=RTITLE]");
2091                 }
2092
2093                 nodes.each(function(node) {
2094                         ids.push(node.id);
2095                 });
2096
2097                 var menu = new dijit.Menu({
2098                         id: "headlinesMenu",
2099                         targetNodeIds: ids
2100                 });
2101
2102                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
2103                         var callerNode = event.target, match = null, tries = 0;
2104
2105                         while (match == null && callerNode && tries <= 3) {
2106                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2107                                 callerNode = callerNode.parentNode;
2108                                 ++tries;
2109                         }
2110
2111                         if (match) this.callerRowId = parseInt(match[1]);
2112
2113                 });
2114
2115                 headlinesMenuCommon(menu, false);
2116
2117                 menu.startup();
2118
2119                 /* vgroup feed title menu */
2120
2121                 var nodes = $$("#headlines-frame > div[class='cdmFeedTitle']");
2122                 var ids = [];
2123
2124                 nodes.each(function(node) {
2125                         ids.push(node.id);
2126                 });
2127
2128                 if (ids.length > 0) {
2129                         if (dijit.byId("headlinesFeedTitleMenu"))
2130                                 dijit.byId("headlinesFeedTitleMenu").destroyRecursive();
2131
2132                         var menu = new dijit.Menu({
2133                                 id: "headlinesFeedTitleMenu",
2134                                 targetNodeIds: ids
2135                         });
2136
2137                         var tmph = dojo.connect(menu, '_openMyself', function (event) {
2138                                 var callerNode = event.target, match = null, tries = 0;
2139
2140                                 while (match == null && callerNode && tries <= 3) {
2141                                         console.log(callerNode.id);
2142
2143                                         match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2144                                         callerNode = callerNode.parentNode;
2145                                         ++tries;
2146
2147                                         console.log(match[1]);
2148                                 }
2149
2150                                 if (match) this.callerRowId = parseInt(match[1]);
2151
2152                         });
2153
2154                         menu.addChild(new dijit.MenuItem({
2155                                 label: __("Select articles in group"),
2156                                 onClick: function(event) {
2157                                         selectArticles("all",
2158                                                 "#headlines-frame > div[id*=RROW]"+
2159                                                 "[orig-feed-id='"+menu.callerRowId+"']");
2160
2161                                 }}));
2162
2163                         menu.addChild(new dijit.MenuItem({
2164                                 label: __("Mark group as read"),
2165                                 onClick: function(event) {
2166                                         selectArticles("none");
2167                                         selectArticles("all",
2168                                                 "#headlines-frame > div[id*=RROW]"+
2169                                                 "[orig-feed-id='"+menu.callerRowId+"']");
2170
2171                                         catchupSelection();
2172                                 }}));
2173
2174
2175                         menu.addChild(new dijit.MenuItem({
2176                                 label: __("Mark feed as read"),
2177                                 onClick: function(event) {
2178                                         catchupFeedInGroup(menu.callerRowId);
2179                                 }}));
2180
2181                         menu.startup();
2182
2183                 }
2184
2185         } catch (e) {
2186                 exception_error("initHeadlinesMenu", e);
2187         }
2188 }
2189
2190 function cache_set(id, obj) {
2191         //console.log("cache_set: " + id);
2192         if (has_storage)
2193                 try {
2194                         sessionStorage[id] = obj;
2195                 } catch (e) {
2196                         sessionStorage.clear();
2197                 }
2198 }
2199
2200 function cache_get(id) {
2201         if (has_storage)
2202                 return sessionStorage[id];
2203 }
2204
2205 function cache_clear() {
2206         if (has_storage)
2207                 sessionStorage.clear();
2208 }
2209
2210 function cache_delete(id) {
2211         if (has_storage)
2212                 sessionStorage.removeItem(id);
2213 }
2214
2215 function cancelSearch() {
2216         try {
2217                 _search_query = "";
2218                 viewCurrentFeed();
2219         } catch (e) {
2220                 exception_error("cancelSearch", e);
2221         }
2222 }
2223
2224 function setSelectionScore() {
2225         try {
2226                 var ids = getSelectedArticleIds2();
2227
2228                 if (ids.length > 0) {
2229                         console.log(ids);
2230
2231                         var score = prompt(__("Please enter new score for selected articles:"), score);
2232
2233                         if (score != undefined) {
2234                                 var query = "op=article&method=setScore&id=" + param_escape(ids.toString()) +
2235                                         "&score=" + param_escape(score);
2236
2237                                 new Ajax.Request("backend.php", {
2238                                         parameters: query,
2239                                         onComplete: function(transport) {
2240                                                 var reply = JSON.parse(transport.responseText);
2241                                                 if (reply) {
2242                                                         console.log(ids);
2243
2244                                                         ids.each(function(id) {
2245                                                                 var row = $("RROW-" + id);
2246
2247                                                                 if (row) {
2248                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2249
2250                                                                         if (pic) {
2251                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2252                                                                                         reply["score_pic"]);
2253                                                                                 pic.setAttribute("score", score);
2254                                                                         }
2255                                                                 }
2256                                                         });
2257                                                 }
2258                                         } });
2259                         }
2260
2261                 } else {
2262                         alert(__("No articles are selected."));
2263                 }
2264         } catch (e) {
2265                 exception_error("setSelectionScore", e);
2266         }
2267 }
2268
2269 function updateScore(id) {
2270         try {
2271                 var pic = $$("#RROW-" + id + " .hlScorePic")[0];
2272
2273                 if (pic) {
2274
2275                         var query = "op=article&method=getScore&id=" + param_escape(id);
2276
2277                         new Ajax.Request("backend.php", {
2278                                 parameters: query,
2279                                 onComplete: function(transport) {
2280                                         console.log(transport.responseText);
2281
2282                                         var reply = JSON.parse(transport.responseText);
2283
2284                                         if (reply) {
2285                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2286                                                 pic.setAttribute("score", reply["score"]);
2287                                                 pic.setAttribute("title", reply["score"]);
2288                                         }
2289                                 } });
2290                 }
2291
2292         } catch (e) {
2293                 exception_error("updateScore", e);
2294         }
2295 }
2296
2297 function changeScore(id, pic) {
2298         try {
2299                 var score = pic.getAttribute("score");
2300
2301                 var new_score = prompt(__("Please enter new score for this article:"), score);
2302
2303                 if (new_score != undefined) {
2304
2305                         var query = "op=article&method=setScore&id=" + param_escape(id) +
2306                                 "&score=" + param_escape(new_score);
2307
2308                         new Ajax.Request("backend.php", {
2309                                 parameters: query,
2310                                 onComplete: function(transport) {
2311                                         var reply = JSON.parse(transport.responseText);
2312
2313                                         if (reply) {
2314                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2315                                                 pic.setAttribute("score", new_score);
2316                                                 pic.setAttribute("title", new_score);
2317                                         }
2318                                 } });
2319                 }
2320         } catch (e) {
2321                 exception_error("changeScore", e);
2322         }
2323 }
2324
2325 function displayArticleUrl(id) {
2326         try {
2327                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2328
2329                         new Ajax.Request("backend.php", {
2330                                 parameters: query,
2331                                 onComplete: function(transport) {
2332                                         var reply = JSON.parse(transport.responseText);
2333
2334                                         if (reply && reply.link) {
2335                                                 prompt(__("Article URL:"), reply.link);
2336                                         }
2337                                 } });
2338         } catch (e) {
2339                 exception_error("changeScore", e);
2340         }
2341 }
2342
2343 function openSelectedAttachment(elem) {
2344         try {
2345                 var url = elem[elem.selectedIndex].value;
2346
2347                 if (url) {
2348                         window.open(url);
2349                         elem.selectedIndex = 0;
2350                 }
2351
2352         } catch (e) {
2353                 exception_error("openSelectedAttachment", e);
2354         }
2355 }
2356
2357 function scrollToRowId(id) {
2358         try {
2359                 var row = $(id);
2360
2361                 if (row)
2362                         $("headlines-frame").scrollTop = row.offsetTop - 4;
2363
2364         } catch (e) {
2365                 exception_error("scrollToRowId", e);
2366         }
2367 }
2368
2369 function updateFloatingTitle(unread_only) {
2370         try {
2371                 if (!isCdmMode()) return;
2372
2373                 var hf = $("headlines-frame");
2374
2375                 var elems = $$("#headlines-frame > div[id*=RROW]");
2376
2377                 for (var i = 0; i < elems.length; i++) {
2378
2379                         var child = elems[i];
2380
2381                         if (child && child.offsetTop + child.offsetHeight > hf.scrollTop) {
2382
2383                                 var header = child.getElementsByClassName("cdmHeader")[0];
2384
2385                                 if (unread_only || child.id != $("floatingTitle").getAttribute("rowid")) {
2386                                         if (child.id != $("floatingTitle").getAttribute("rowid")) {
2387                                                 $("floatingTitle").setAttribute("rowid", child.id);
2388                                                 $("floatingTitle").innerHTML = header.innerHTML;
2389                                                 $("floatingTitle").firstChild.innerHTML = "<img class='anchor markedPic' src='images/page_white_go.png' onclick=\"scrollToRowId('"+child.id+"')\">" + $("floatingTitle").firstChild.innerHTML;
2390
2391                                                 initFloatingMenu();
2392
2393                                                 var cb = $$("#floatingTitle .dijitCheckBox")[0];
2394
2395                                                 if (cb)
2396                                                         cb.parentNode.removeChild(cb);
2397                                         }
2398
2399                                         if (child.hasClassName("Unread"))
2400                                                 $("floatingTitle").addClassName("Unread");
2401                                         else
2402                                                 $("floatingTitle").removeClassName("Unread");
2403
2404                                         PluginHost.run(PluginHost.HOOK_FLOATING_TITLE, child);
2405                                 }
2406
2407                                 $("floatingTitle").style.marginRight = hf.offsetWidth - child.offsetWidth + "px";
2408                                 if (header.offsetTop + header.offsetHeight < hf.scrollTop + $("floatingTitle").offsetHeight - 5 &&
2409                                     child.offsetTop + child.offsetHeight >= hf.scrollTop + $("floatingTitle").offsetHeight - 5)
2410                                         $("floatingTitle").style.visibility = "visible";
2411                                 else
2412                                         $("floatingTitle").style.visibility = "hidden";
2413
2414                                 return;
2415
2416                         }
2417                 }
2418
2419         } catch (e) {
2420                 exception_error("updateFloatingTitle", e);
2421         }
2422 }
2423
2424 function cdmFooterClick(event) {
2425         event.stopPropagation();
2426 }