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                                 $("headlines-frame").innerHTML = '';
 104
 105                                 var tmp = new Element("div");
 106                                 tmp.innerHTML = reply['headlines']['content'];
 107                                 dojo.parser.parse(tmp);
 108
 109                                 while (tmp.hasChildNodes()) {
 110                                         var row = tmp.removeChild(tmp.firstChild);
 111
 112                                         if (loaded_article_ids.indexOf(row.id) == -1 || row.hasClassName("cdmFeedTitle")) {
 113                                                 dijit.byId("headlines-frame").domNode.appendChild(row);
 114
 115                                                 loaded_article_ids.push(row.id);
 116                                         }
 117                                 }
 118
 119                                 var hsp = $("headlines-spacer");
 120                                 if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 121                                 dijit.byId('headlines-frame').domNode.appendChild(hsp);
 122
 123                                 initHeadlinesMenu();
 124
 125                                 if (_infscroll_disable)
 126                                         hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 127                                                 __("Click to open next unread feed.") + "</a>";
 128
 129                                 if (_search_query) {
 130                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 131                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 132                                                 "</span>";
 133                                 }
 134
 135                         } else {
 136
 137                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 138                                         console.log("adding some more headlines: " + headlines_count);
 139
 140                                         var c = dijit.byId("headlines-frame");
 141                                         var ids = getSelectedArticleIds2();
 142
 143                                         var hsp = $("headlines-spacer");
 144
 145                                         if (hsp)
 146                                                 c.domNode.removeChild(hsp);
 147
 148                                         var tmp = new Element("div");
 149                                         tmp.innerHTML = reply['headlines']['content'];
 150                                         dojo.parser.parse(tmp);
 151
 152                                         while (tmp.hasChildNodes()) {
 153                                                 var row = tmp.removeChild(tmp.firstChild);
 154
 155                                                 if (loaded_article_ids.indexOf(row.id) == -1 || row.hasClassName("cdmFeedTitle")) {
 156                                                         dijit.byId("headlines-frame").domNode.appendChild(row);
 157
 158                                                         loaded_article_ids.push(row.id);
 159                                                 }
 160                                         }
 161
 162                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 163                                         c.domNode.appendChild(hsp);
 164
 165                                         if (headlines_count < 30) _infscroll_disable = true;
 166
 167                                         console.log("restore selected ids: " + ids);
 168
 169                                         for (var i = 0; i < ids.length; i++) {
 170                                                 markHeadline(ids[i]);
 171                                         }
 172
 173                                         initHeadlinesMenu();
 174
 175                                         if (_infscroll_disable) {
 176                                                 hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 177                                                 __("Click to open next unread feed.") + "</a>";
 178                                         }
 179
 180                                 } else {
 181                                         console.log("no new headlines received");
 182
 183                                         var first_id_changed = reply['headlines']['first_id_changed'];
 184                                         console.log("first id changed:" + first_id_changed);
 185
 186                                         var hsp = $("headlines-spacer");
 187
 188                                         if (hsp) {
 189                                                 if (first_id_changed) {
 190                                                         hsp.innerHTML = "<a href='#' onclick='viewCurrentFeed()'>" +
 191                                                         __("New articles found, reload feed to continue.") + "</a>";
 192                                                 } else {
 193                                                         hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 194                                                         __("Click to open next unread feed.") + "</a>";
 195                                                 }
 196
 197                                         }
 198
 199                                 }
 200                         }
 201
 202                         if (articles) {
 203                                 for (var i = 0; i < articles.length; i++) {
 204                                         var a_id = articles[i]['id'];
 205                                         cache_set("article:" + a_id, articles[i]['content']);
 206                                 }
 207                         } else {
 208                                 console.log("no cached articles received");
 209                         }
 210
 211                         if (counters)
 212                                 parse_counters(counters);
 213                         else
 214                                 request_counters(true);
 215
 216                 } else {
 217                         console.error("Invalid object received: " + transport.responseText);
 218                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 219                                         __('Could not update headlines (invalid object received - see error console for details)') +
 220                                         "</div>");
 221                 }
 222
 223                 _infscroll_request_sent = 0;
 224                 _last_headlines_update = new Date().getTime();
 225
 226                 unpackVisibleHeadlines();
 227
 228                 // if we have some more space in the buffer, why not try to fill it
 229
 230                 if (!_infscroll_disable && $("headlines-spacer") &&
 231                                 $("headlines-spacer").offsetTop < $("headlines-frame").offsetHeight) {
 232
 233                         window.setTimeout(function() {
 234                                 loadMoreHeadlines();
 235                         }, 250);
 236                 }
 237
 238                 notify("");
 239
 240         } catch (e) {
 241                 exception_error("headlines_callback2", e, transport);
 242         }
 243 }
 244
 245 function render_article(article) {
 246         try {
 247                 dijit.byId("headlines-wrap-inner").addChild(
 248                                 dijit.byId("content-insert"));
 249
 250                 var c = dijit.byId("content-insert");
 251
 252                 try {
 253                         c.domNode.scrollTop = 0;
 254                 } catch (e) { };
 255
 256                 c.attr('content', article);
 257                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED, c.domNode);
 258
 259                 correctHeadlinesOffset(getActiveArticleId());
 260
 261                 try {
 262                         c.focus();
 263                 } catch (e) { };
 264
 265         } catch (e) {
 266                 exception_error("render_article", e);
 267         }
 268 }
 269
 270 function showArticleInHeadlines(id, noexpand) {
 271
 272         try {
 273                 selectArticles("none");
 274
 275                 var crow = $("RROW-" + id);
 276
 277                 if (!crow) return;
 278
 279                 var article_is_unread = crow.hasClassName("Unread");
 280
 281                 if (!noexpand)
 282                         crow.removeClassName("Unread");
 283                 crow.addClassName("active");
 284
 285                 selectArticles('none');
 286
 287                 var view_mode = false;
 288
 289                 try {
 290                         view_mode = document.forms['main_toolbar_form'].view_mode;
 291                         view_mode = view_mode[view_mode.selectedIndex].value;
 292                 } catch (e) {
 293                         //
 294                 }
 295
 296                 markHeadline(id);
 297
 298                 if (article_is_unread && !noexpand)
 299                         _force_scheduled_update = true;
 300
 301         } catch (e) {
 302                 exception_error("showArticleInHeadlines", e);
 303         }
 304 }
 305
 306 function article_callback2(transport, id) {
 307         try {
 308                 console.log("article_callback2 " + id);
 309
 310                 handle_rpc_json(transport);
 311
 312                 var reply = false;
 313
 314                 try {
 315                         reply = JSON.parse(transport.responseText);
 316                 } catch (e) {
 317                         console.error(e);
 318                 }
 319
 320                 if (reply) {
 321
 322                         reply.each(function(article) {
 323                                 if (getActiveArticleId() == article['id']) {
 324                                         render_article(article['content']);
 325                                 }
 326                                 cids_requested.remove(article['id']);
 327
 328                                 cache_set("article:" + article['id'], article['content']);
 329                         });
 330
 331 //                      if (id != last_requested_article) {
 332 //                              console.log("requested article id is out of sequence, aborting");
 333 //                              return;
 334 //                      }
 335
 336                 } else {
 337                         console.error("Invalid object received: " + transport.responseText);
 338
 339                         render_article("<div class='whiteBox'>" +
 340                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 341                 }
 342
 343                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 344                 request_counters(unread_in_buffer == 0);
 345
 346                 notify("");
 347         } catch (e) {
 348                 exception_error("article_callback2", e, transport);
 349         }
 350 }
 351
 352 function view(id, activefeed, noexpand) {
 353         try {
 354                 var oldrow = $("RROW-" + getActiveArticleId());
 355                 if (oldrow) oldrow.removeClassName("active");
 356
 357                 var crow = $("RROW-" + id);
 358
 359                 if (!crow) return;
 360                 if (noexpand) {
 361                         setActiveArticleId(id);
 362                         showArticleInHeadlines(id, noexpand);
 363                         return;
 364                 }
 365
 366                 console.log("loading article: " + id);
 367
 368                 var cached_article = cache_get("article:" + id);
 369
 370                 console.log("cache check result: " + (cached_article != false));
 371
 372                 var query = "?op=article&method=view&id=" + param_escape(id);
 373
 374                 var neighbor_ids = getRelativePostIds(id);
 375
 376                 /* only request uncached articles */
 377
 378                 var cids_to_request = [];
 379
 380                 for (var i = 0; i < neighbor_ids.length; i++) {
 381                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 382                                 if (!cache_get("article:" + neighbor_ids[i])) {
 383                                         cids_to_request.push(neighbor_ids[i]);
 384                                         cids_requested.push(neighbor_ids[i]);
 385                                 }
 386                 }
 387
 388                 console.log("additional ids: " + cids_to_request.toString());
 389
 390                 query = query + "&cids=" + cids_to_request.toString();
 391
 392                 var article_is_unread = crow.hasClassName("Unread");
 393
 394                 setActiveArticleId(id);
 395                 showArticleInHeadlines(id);
 396
 397                 if (cached_article && article_is_unread) {
 398
 399                         query = query + "&mode=prefetch";
 400
 401                         render_article(cached_article);
 402
 403                 } else if (cached_article) {
 404
 405                         query = query + "&mode=prefetch_old";
 406                         render_article(cached_article);
 407
 408                         // if we don't need to request any relative ids, we might as well skip
 409                         // the server roundtrip altogether
 410                         if (cids_to_request.length == 0) {
 411                                 return;
 412                         }
 413                 }
 414
 415                 last_requested_article = id;
 416
 417                 console.log(query);
 418
 419                 if (article_is_unread) {
 420                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 421                 }
 422
 423                 new Ajax.Request("backend.php", {
 424                         parameters: query,
 425                         onComplete: function(transport) {
 426                                 article_callback2(transport, id);
 427                         } });
 428
 429                 return false;
 430
 431         } catch (e) {
 432                 exception_error("view", e);
 433         }
 434 }
 435
 436 function toggleMark(id, client_only) {
 437         try {
 438                 var query = "?op=rpc&id=" + id + "&method=mark";
 439
 440                 var row = $("RROW-" + id);
 441                 if (!row) return;
 442
 443                 var imgs = [];
 444
 445                 var row_imgs = row.getElementsByClassName("markedPic");
 446
 447                 for (var i = 0; i < row_imgs.length; i++)
 448                         imgs.push(row_imgs[i]);
 449
 450                 var ft = $("floatingTitle");
 451
 452                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 453                         var fte = ft.getElementsByClassName("markedPic");
 454
 455                         for (var i = 0; i < fte.length; i++)
 456                                 imgs.push(fte[i]);
 457                 }
 458
 459                 for (i = 0; i < imgs.length; i++) {
 460                         var img = imgs[i];
 461
 462                         if (!row.hasClassName("marked")) {
 463                                 img.src = img.src.replace("mark_unset", "mark_set");
 464                                 img.alt = __("Unstar article");
 465                                 query = query + "&mark=1";
 466                         } else {
 467                                 img.src = img.src.replace("mark_set", "mark_unset");
 468                                 img.alt = __("Star article");
 469                                 query = query + "&mark=0";
 470                         }
 471                 }
 472
 473                 row.toggleClassName("marked");
 474
 475                 if (!client_only) {
 476                         new Ajax.Request("backend.php", {
 477                                 parameters: query,
 478                                 onComplete: function(transport) {
 479                                         handle_rpc_json(transport);
 480                                 } });
 481                 }
 482
 483         } catch (e) {
 484                 exception_error("toggleMark", e);
 485         }
 486 }
 487
 488 function togglePub(id, client_only, no_effects, note) {
 489         try {
 490                 var query = "?op=rpc&id=" + id + "&method=publ";
 491
 492                 if (note != undefined) {
 493                         query = query + "&note=" + param_escape(note);
 494                 } else {
 495                         query = query + "&note=undefined";
 496                 }
 497
 498                 var row = $("RROW-" + id);
 499                 if (!row) return;
 500
 501                 var imgs = [];
 502
 503                 var row_imgs = row.getElementsByClassName("pubPic");
 504
 505                 for (var i = 0; i < row_imgs.length; i++)
 506                         imgs.push(row_imgs[i]);
 507
 508                 var ft = $("floatingTitle");
 509
 510                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 511                         var fte = ft.getElementsByClassName("pubPic");
 512
 513                         for (var i = 0; i < fte.length; i++)
 514                                 imgs.push(fte[i]);
 515                 }
 516
 517                 for (i = 0; i < imgs.length; i++) {
 518                         var img = imgs[i];
 519
 520                         if (!row.hasClassName("published") || note != undefined) {
 521                                 img.src = img.src.replace("pub_unset", "pub_set");
 522                                 img.alt = __("Unpublish article");
 523                                 query = query + "&pub=1";
 524                         } else {
 525                                 img.src = img.src.replace("pub_set", "pub_unset");
 526                                 img.alt = __("Publish article");
 527                                 query = query + "&pub=0";
 528                         }
 529                 }
 530
 531                 if (note != undefined)
 532                         row.addClassName("published");
 533                 else
 534                         row.toggleClassName("published");
 535
 536                 if (!client_only) {
 537                         new Ajax.Request("backend.php", {
 538                                 parameters: query,
 539                                 onComplete: function(transport) {
 540                                         handle_rpc_json(transport);
 541                                 } });
 542                 }
 543
 544         } catch (e) {
 545                 exception_error("togglePub", e);
 546         }
 547 }
 548
 549 function moveToPost(mode, noscroll, noexpand) {
 550
 551         try {
 552
 553                 var rows = getVisibleArticleIds();
 554
 555                 var prev_id = false;
 556                 var next_id = false;
 557
 558                 if (!$('RROW-' + getActiveArticleId())) {
 559                         setActiveArticleId(0);
 560                 }
 561
 562                 if (!getActiveArticleId()) {
 563                         next_id = rows[0];
 564                         prev_id = rows[rows.length-1]
 565                 } else {
 566                         for (var i = 0; i < rows.length; i++) {
 567                                 if (rows[i] == getActiveArticleId()) {
 568
 569                                         // Account for adjacent identical article ids.
 570                                         if (i > 0) prev_id = rows[i-1];
 571
 572                                         for (var j = i+1; j < rows.length; j++) {
 573                                                 if (rows[j] != getActiveArticleId()) {
 574                                                         next_id = rows[j];
 575                                                         break;
 576                                                 }
 577                                         }
 578                                         break;
 579                                 }
 580                         }
 581                 }
 582
 583                 console.log("cur: " + getActiveArticleId() + " next: " + next_id);
 584
 585                 if (mode == "next") {
 586                         if (next_id || getActiveArticleId()) {
 587                                 if (isCdmMode()) {
 588
 589                                         var article = $("RROW-" + getActiveArticleId());
 590                                         var ctr = $("headlines-frame");
 591
 592                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 593                                                         ctr.scrollTop + ctr.offsetHeight) {
 594
 595                                                 scrollArticle(ctr.offsetHeight/4);
 596
 597                                         } else if (next_id) {
 598                                                 cdmExpandArticle(next_id, noexpand);
 599                                                 cdmScrollToArticleId(next_id, true);
 600                                         }
 601
 602                                 } else if (next_id) {
 603                                         correctHeadlinesOffset(next_id);
 604                                         view(next_id, getActiveFeedId(), noexpand);
 605                                 }
 606                         }
 607                 }
 608
 609                 if (mode == "prev") {
 610                         if (prev_id || getActiveArticleId()) {
 611                                 if (isCdmMode()) {
 612
 613                                         var article = $("RROW-" + getActiveArticleId());
 614                                         var prev_article = $("RROW-" + prev_id);
 615                                         var ctr = $("headlines-frame");
 616
 617                                         if (!getInitParam("cdm_expanded")) {
 618
 619                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 620                                                         scrollArticle(-ctr.offsetHeight/4);
 621                                                 } else {
 622                                                         cdmExpandArticle(prev_id, noexpand);
 623                                                         cdmScrollToArticleId(prev_id, true);
 624                                                 }
 625                                         } else {
 626
 627                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 628                                                         scrollArticle(-ctr.offsetHeight/3);
 629                                                 } else if (!noscroll && prev_article &&
 630                                                                 prev_article.offsetTop < ctr.scrollTop) {
 631                                                         cdmExpandArticle(prev_id, noexpand);
 632                                                         scrollArticle(-ctr.offsetHeight/4);
 633                                                 } else if (prev_id) {
 634                                                         cdmExpandArticle(prev_id, noexpand);
 635                                                         cdmScrollToArticleId(prev_id, noscroll);
 636                                                 }
 637                                         }
 638
 639                                 } else if (prev_id) {
 640                                         correctHeadlinesOffset(prev_id);
 641                                         view(prev_id, getActiveFeedId(), noexpand);
 642                                 }
 643                         }
 644                 }
 645
 646         } catch (e) {
 647                 exception_error("moveToPost", e);
 648         }
 649 }
 650
 651 function toggleSelected(id, force_on) {
 652         try {
 653                 var row = $("RROW-" + id);
 654
 655                 if (row) {
 656                         var cb = dijit.getEnclosingWidget(
 657                                         row.getElementsByClassName("rchk")[0]);
 658
 659                         if (row.hasClassName('Selected') && !force_on) {
 660                                 row.removeClassName('Selected');
 661                                 if (cb) cb.attr("checked", false);
 662                         } else {
 663                                 row.addClassName('Selected');
 664                                 if (cb) cb.attr("checked", true);
 665                         }
 666                 }
 667
 668                 updateSelectedPrompt();
 669         } catch (e) {
 670                 exception_error("toggleSelected", e);
 671         }
 672 }
 673
 674 function updateSelectedPrompt() {
 675         try {
 676                 var count = getSelectedArticleIds2().size();
 677                 var elem = $("selected_prompt");
 678
 679                 if (elem) {
 680                         elem.innerHTML = ngettext("%d article selected",
 681                                         "%d articles selected", count).replace("%d", count);
 682
 683                         if (count > 0)
 684                                 Element.show(elem);
 685                         else
 686                                 Element.hide(elem);
 687                 }
 688
 689         } catch (e) {
 690                 exception_error("updateSelectedPrompt", e);
 691         }
 692 }
 693
 694 function toggleUnread_afh(effect) {
 695         try {
 696
 697                 var elem = effect.element;
 698                 elem.style.backgroundColor = "";
 699
 700         } catch (e) {
 701                 exception_error("toggleUnread_afh", e);
 702         }
 703 }
 704
 705 function toggleUnread(id, cmode, effect) {
 706         try {
 707
 708                 var row = $("RROW-" + id);
 709                 if (row) {
 710                         var tmpClassName = row.className;
 711
 712                         if (cmode == undefined || cmode == 2) {
 713                                 if (row.hasClassName("Unread")) {
 714                                         row.removeClassName("Unread");
 715
 716                                 } else {
 717                                         row.addClassName("Unread");
 718                                 }
 719
 720                         } else if (cmode == 0) {
 721
 722                                 row.removeClassName("Unread");
 723
 724                         } else if (cmode == 1) {
 725                                 row.addClassName("Unread");
 726                         }
 727
 728                         if (cmode == undefined) cmode = 2;
 729
 730                         var query = "?op=rpc&method=catchupSelected" +
 731                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 732
 733 //                      notify_progress("Loading, please wait...");
 734
 735                         if (tmpClassName != row.className) {
 736                                 new Ajax.Request("backend.php", {
 737                                         parameters: query,
 738                                         onComplete: function (transport) {
 739                                                 handle_rpc_json(transport);
 740                                         }
 741                                 });
 742                         }
 743
 744                 }
 745
 746         } catch (e) {
 747                 exception_error("toggleUnread", e);
 748         }
 749 }
 750
 751 function selectionRemoveLabel(id, ids) {
 752         try {
 753
 754                 if (!ids) ids = getSelectedArticleIds2();
 755
 756                 if (ids.length == 0) {
 757                         alert(__("No articles are selected."));
 758                         return;
 759                 }
 760
 761                 var query = "?op=article&method=removeFromLabel&ids=" +
 762                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 763
 764                 console.log(query);
 765
 766                 new Ajax.Request("backend.php", {
 767                         parameters: query,
 768                         onComplete: function(transport) {
 769                                 handle_rpc_json(transport);
 770                                 show_labels_in_headlines(transport);
 771                         } });
 772
 773         } catch (e) {
 774                 exception_error("selectionAssignLabel", e);
 775
 776         }
 777 }
 778
 779 function selectionAssignLabel(id, ids) {
 780         try {
 781
 782                 if (!ids) ids = getSelectedArticleIds2();
 783
 784                 if (ids.length == 0) {
 785                         alert(__("No articles are selected."));
 786                         return;
 787                 }
 788
 789                 var query = "?op=article&method=assignToLabel&ids=" +
 790                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 791
 792                 console.log(query);
 793
 794                 new Ajax.Request("backend.php", {
 795                         parameters: query,
 796                         onComplete: function(transport) {
 797                                 handle_rpc_json(transport);
 798                                 show_labels_in_headlines(transport);
 799                         } });
 800
 801         } catch (e) {
 802                 exception_error("selectionAssignLabel", e);
 803
 804         }
 805 }
 806
 807 function selectionToggleUnread(set_state, callback, no_error, ids) {
 808         try {
 809                 var rows = ids ? ids : getSelectedArticleIds2();
 810
 811                 if (rows.length == 0 && !no_error) {
 812                         alert(__("No articles are selected."));
 813                         return;
 814                 }
 815
 816                 for (var i = 0; i < rows.length; i++) {
 817                         var row = $("RROW-" + rows[i]);
 818                         if (row) {
 819                                 if (set_state == undefined) {
 820                                         if (row.hasClassName("Unread")) {
 821                                                 row.removeClassName("Unread");
 822                                         } else {
 823                                                 row.addClassName("Unread");
 824                                         }
 825                                 }
 826
 827                                 if (set_state == false) {
 828                                         row.removeClassName("Unread");
 829                                 }
 830
 831                                 if (set_state == true) {
 832                                         row.addClassName("Unread");
 833                                 }
 834                         }
 835                 }
 836
 837                 updateFloatingTitle(true);
 838
 839                 if (rows.length > 0) {
 840
 841                         var cmode = "";
 842
 843                         if (set_state == undefined) {
 844                                 cmode = "2";
 845                         } else if (set_state == true) {
 846                                 cmode = "1";
 847                         } else if (set_state == false) {
 848                                 cmode = "0";
 849                         }
 850
 851                         var query = "?op=rpc&method=catchupSelected" +
 852                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 853
 854                         notify_progress("Loading, please wait...");
 855
 856                         new Ajax.Request("backend.php", {
 857                                 parameters: query,
 858                                 onComplete: function(transport) {
 859                                         handle_rpc_json(transport);
 860                                         if (callback) callback(transport);
 861                                 } });
 862
 863                 }
 864
 865         } catch (e) {
 866                 exception_error("selectionToggleUnread", e);
 867         }
 868 }
 869
 870 // sel_state ignored
 871 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 872         try {
 873
 874                 var rows = ids ? ids : getSelectedArticleIds2();
 875
 876                 if (rows.length == 0 && !no_error) {
 877                         alert(__("No articles are selected."));
 878                         return;
 879                 }
 880
 881                 for (var i = 0; i < rows.length; i++) {
 882                         toggleMark(rows[i], true, true);
 883                 }
 884
 885                 if (rows.length > 0) {
 886
 887                         var query = "?op=rpc&method=markSelected&ids=" +
 888                                 param_escape(rows.toString()) + "&cmode=2";
 889
 890                         new Ajax.Request("backend.php", {
 891                                 parameters: query,
 892                                 onComplete: function(transport) {
 893                                         handle_rpc_json(transport);
 894                                         if (callback) callback(transport);
 895                                 } });
 896
 897                 }
 898
 899         } catch (e) {
 900                 exception_error("selectionToggleMarked", e);
 901         }
 902 }
 903
 904 // sel_state ignored
 905 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 906         try {
 907
 908                 var rows = ids ? ids : getSelectedArticleIds2();
 909
 910                 if (rows.length == 0 && !no_error) {
 911                         alert(__("No articles are selected."));
 912                         return;
 913                 }
 914
 915                 for (var i = 0; i < rows.length; i++) {
 916                         togglePub(rows[i], true, true);
 917                 }
 918
 919                 if (rows.length > 0) {
 920
 921                         var query = "?op=rpc&method=publishSelected&ids=" +
 922                                 param_escape(rows.toString()) + "&cmode=2";
 923
 924                         new Ajax.Request("backend.php", {
 925                                 parameters: query,
 926                                 onComplete: function(transport) {
 927                                         handle_rpc_json(transport);
 928                                 } });
 929
 930                 }
 931
 932         } catch (e) {
 933                 exception_error("selectionToggleMarked", e);
 934         }
 935 }
 936
 937 function getSelectedArticleIds2() {
 938
 939         var rv = [];
 940
 941         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 942                 function(child) {
 943                         rv.push(child.id.replace("RROW-", ""));
 944                 });
 945
 946         return rv;
 947 }
 948
 949 function getLoadedArticleIds() {
 950         var rv = [];
 951
 952         var children = $$("#headlines-frame > div[id*=RROW-]");
 953
 954         children.each(function(child) {
 955                         rv.push(child.id.replace("RROW-", ""));
 956                 });
 957
 958         return rv;
 959
 960 }
 961
 962 // mode = all,none,unread,invert,marked,published
 963 function selectArticles(mode, query) {
 964         try {
 965
 966                 if (!query) query = "#headlines-frame > div[id*=RROW]";
 967
 968                 var children = $$(query);
 969
 970                 children.each(function(child) {
 971                         var id = child.id.replace("RROW-", "");
 972
 973                         var cb = dijit.getEnclosingWidget(
 974                                         child.getElementsByClassName("rchk")[0]);
 975
 976                         if (mode == "all") {
 977                                 child.addClassName("Selected");
 978                                 if (cb) cb.attr("checked", true);
 979                         } else if (mode == "unread") {
 980                                 if (child.hasClassName("Unread")) {
 981                                         child.addClassName("Selected");
 982                                         if (cb) cb.attr("checked", true);
 983                                 } else {
 984                                         child.removeClassName("Selected");
 985                                         if (cb) cb.attr("checked", false);
 986                                 }
 987                         } else if (mode == "marked") {
 988                                 if (child.hasClassName("marked")) {
 989                                         child.addClassName("Selected");
 990                                         if (cb) cb.attr("checked", true);
 991                                 } else {
 992                                         child.removeClassName("Selected");
 993                                         if (cb) cb.attr("checked", false);
 994                                 }
 995                         } else if (mode == "published") {
 996                                 if (child.hasClassName("published")) {
 997                                         child.addClassName("Selected");
 998                                         if (cb) cb.attr("checked", true);
 999                                 } else {
1000                                         child.removeClassName("Selected");
1001                                         if (cb) cb.attr("checked", false);
1002                                 }
1003
1004                         } else if (mode == "invert") {
1005                                 if (child.hasClassName("Selected")) {
1006                                         child.removeClassName("Selected");
1007                                         if (cb) cb.attr("checked", false);
1008                                 } else {
1009                                         child.addClassName("Selected");
1010                                         if (cb) cb.attr("checked", true);
1011                                 }
1012
1013                         } else {
1014                                 child.removeClassName("Selected");
1015                                 if (cb) cb.attr("checked", false);
1016                         }
1017                 });
1018
1019                 updateSelectedPrompt();
1020
1021         } catch (e) {
1022                 exception_error("selectArticles", e);
1023         }
1024 }
1025
1026 function deleteSelection() {
1027
1028         try {
1029
1030                 var rows = getSelectedArticleIds2();
1031
1032                 if (rows.length == 0) {
1033                         alert(__("No articles are selected."));
1034                         return;
1035                 }
1036
1037                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1038                 var str;
1039
1040                 if (getActiveFeedId() != 0) {
1041                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
1042                 } else {
1043                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
1044                 }
1045
1046                 str = str.replace("%d", rows.length);
1047                 str = str.replace("%s", fn);
1048
1049                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1050                         return;
1051                 }
1052
1053                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
1054
1055                 console.log(query);
1056
1057                 new Ajax.Request("backend.php", {
1058                         parameters: query,
1059                         onComplete: function(transport) {
1060                                         handle_rpc_json(transport);
1061                                         viewCurrentFeed();
1062                                 } });
1063
1064         } catch (e) {
1065                 exception_error("deleteSelection", e);
1066         }
1067 }
1068
1069 function archiveSelection() {
1070
1071         try {
1072
1073                 var rows = getSelectedArticleIds2();
1074
1075                 if (rows.length == 0) {
1076                         alert(__("No articles are selected."));
1077                         return;
1078                 }
1079
1080                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1081                 var str;
1082                 var op;
1083
1084                 if (getActiveFeedId() != 0) {
1085                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1086                         op = "archive";
1087                 } else {
1088                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1089
1090                         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
1091
1092                         op = "unarchive";
1093                 }
1094
1095                 str = str.replace("%d", rows.length);
1096                 str = str.replace("%s", fn);
1097
1098                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1099                         return;
1100                 }
1101
1102                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1103
1104                 console.log(query);
1105
1106                 for (var i = 0; i < rows.length; i++) {
1107                         cache_delete("article:" + rows[i]);
1108                 }
1109
1110                 new Ajax.Request("backend.php", {
1111                         parameters: query,
1112                         onComplete: function(transport) {
1113                                         handle_rpc_json(transport);
1114                                         viewCurrentFeed();
1115                                 } });
1116
1117         } catch (e) {
1118                 exception_error("archiveSelection", e);
1119         }
1120 }
1121
1122 function catchupSelection() {
1123
1124         try {
1125
1126                 var rows = getSelectedArticleIds2();
1127
1128                 if (rows.length == 0) {
1129                         alert(__("No articles are selected."));
1130                         return;
1131                 }
1132
1133                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1134
1135                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1136
1137                 str = str.replace("%d", rows.length);
1138                 str = str.replace("%s", fn);
1139
1140                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1141                         return;
1142                 }
1143
1144                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1145
1146         } catch (e) {
1147                 exception_error("catchupSelection", e);
1148         }
1149 }
1150
1151 function editArticleTags(id) {
1152                 var query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
1153
1154                 if (dijit.byId("editTagsDlg"))
1155                         dijit.byId("editTagsDlg").destroyRecursive();
1156
1157                 dialog = new dijit.Dialog({
1158                         id: "editTagsDlg",
1159                         title: __("Edit article Tags"),
1160                         style: "width: 600px",
1161                         execute: function() {
1162                                 if (this.validate()) {
1163                                         var query = dojo.objectToQuery(this.attr('value'));
1164
1165                                         notify_progress("Saving article tags...", true);
1166
1167                                         new Ajax.Request("backend.php", {
1168                                         parameters: query,
1169                                         onComplete: function(transport) {
1170                                                 try {
1171                                                         notify('');
1172                                                         dialog.hide();
1173
1174                                                         var data = JSON.parse(transport.responseText);
1175
1176                                                         if (data) {
1177                                                                 var id = data.id;
1178
1179                                                                 console.log(id);
1180
1181                                                                 var tags = $("ATSTR-" + id);
1182                                                                 var tooltip = dijit.byId("ATSTRTIP-" + id);
1183
1184                                                                 if (tags) tags.innerHTML = data.content;
1185                                                                 if (tooltip) tooltip.attr('label', data.content_full);
1186                                                         }
1187                                                 } catch (e) {
1188                                                         exception_error("editArticleTags/inner", e);
1189                                                 }
1190
1191                                         }});
1192                                 }
1193                         },
1194                         href: query
1195                 });
1196
1197                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1198                 dojo.disconnect(tmph);
1199
1200                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1201                            "backend.php?op=article&method=completeTags",
1202                            { tokens: ',', paramName: "search" });
1203                 });
1204
1205                 dialog.show();
1206
1207 }
1208
1209 function cdmScrollToArticleId(id, force) {
1210         try {
1211                 var ctr = $("headlines-frame");
1212                 var e = $("RROW-" + id);
1213
1214                 if (!e || !ctr) return;
1215
1216                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1217                                 e.offsetTop < ctr.scrollTop) {
1218
1219                         // expanded cdm has a 4px margin now
1220                         ctr.scrollTop = parseInt(e.offsetTop) - 4;
1221                 }
1222
1223         } catch (e) {
1224                 exception_error("cdmScrollToArticleId", e);
1225         }
1226 }
1227
1228 function setActiveArticleId(id) {
1229         console.log("setActiveArticleId:" + id);
1230
1231         _active_article_id = id;
1232         PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
1233 }
1234
1235 function getActiveArticleId() {
1236         return _active_article_id;
1237 }
1238
1239 function postMouseIn(e, id) {
1240         post_under_pointer = id;
1241 }
1242
1243 function postMouseOut(id) {
1244         post_under_pointer = false;
1245 }
1246
1247 function unpackVisibleHeadlines() {
1248         try {
1249                 if (!isCdmMode() || !getInitParam("cdm_expanded")) return;
1250
1251                 $$("#headlines-frame > div[id*=RROW]").each(
1252                         function(child) {
1253                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1254                                         $("headlines-frame").offsetHeight) {
1255
1256                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1257
1258                                         if (cencw) {
1259                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1260                                                 cencw.setAttribute('id', '');
1261
1262                                                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED_CDM, child);
1263
1264                                                 Element.show(cencw);
1265                                         }
1266                                 }
1267                         }
1268                 );
1269
1270         } catch (e) {
1271                 exception_error("unpackVisibleHeadlines", e);
1272         }
1273 }
1274
1275 function headlines_scroll_handler(e) {
1276         try {
1277                 var hsp = $("headlines-spacer");
1278
1279                 unpackVisibleHeadlines();
1280
1281                 // set topmost child in the buffer as active
1282                 if (isCdmMode() && getInitParam("cdm_auto_catchup") == 1 &&
1283                                 getSelectedArticleIds2().length <= 1 &&
1284                                 getInitParam("cdm_expanded")) {
1285                         var rows = $$("#headlines-frame > div[id*=RROW]");
1286
1287                         for (var i = 0; i < rows.length; i++) {
1288                                 var child = rows[i];
1289
1290                                 if ($("headlines-frame").scrollTop <= child.offsetTop &&
1291                                         child.offsetTop - $("headlines-frame").scrollTop < 100 &&
1292                                         child.id.replace("RROW-", "") != _active_article_id) {
1293
1294                                         if (_active_article_id) {
1295                                                 var row = $("RROW-" + _active_article_id);
1296                                                 if (row) row.removeClassName("active");
1297                                         }
1298
1299                                         _active_article_id = child.id.replace("RROW-", "");
1300                                         showArticleInHeadlines(_active_article_id, true);
1301                                         updateSelectedPrompt();
1302                                         break;
1303                                 }
1304                         }
1305                 }
1306
1307                 if (!_infscroll_disable) {
1308                         if (hsp && hsp.offsetTop - 250 <= e.scrollTop + e.offsetHeight) {
1309
1310                                 hsp.innerHTML = "<span class='loading'><img src='images/indicator_tiny.gif'> " +
1311                                         __("Loading, please wait...") + "</span>";
1312
1313                                 loadMoreHeadlines();
1314                                 return;
1315
1316                         }
1317                 }
1318
1319                 if (isCdmMode()) {
1320                         updateFloatingTitle();
1321                 }
1322
1323                 catchupCurrentBatchIfNeeded();
1324
1325                 if (getInitParam("cdm_auto_catchup") == 1) {
1326
1327                         // let's get DOM some time to settle down
1328                         var ts = new Date().getTime();
1329                         if (ts - _last_headlines_update < 100) return;
1330
1331                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1332                                 function(child) {
1333                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1334                                                         (child.offsetTop + child.offsetHeight/2)) {
1335
1336                                                 var id = child.id.replace("RROW-", "");
1337
1338                                                 if (catchup_id_batch.indexOf(id) == -1)
1339                                                         catchup_id_batch.push(id);
1340
1341                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1342                                         }
1343
1344                                 });
1345
1346                         if (_infscroll_disable) {
1347                                 var child = $$("#headlines-frame div[id*=RROW]").last();
1348
1349                                 if (child && $("headlines-frame").scrollTop >
1350                                                 (child.offsetTop + child.offsetHeight - 50)) {
1351
1352                                         console.log("we seem to be at an end");
1353
1354                                         if (getInitParam("on_catchup_show_next_feed") == "1") {
1355                                                 openNextUnreadFeed();
1356                                         }
1357                                 }
1358                         }
1359                 }
1360
1361         } catch (e) {
1362                 console.warn("headlines_scroll_handler: " + e);
1363         }
1364 }
1365
1366 function openNextUnreadFeed() {
1367         try {
1368                 var is_cat = activeFeedIsCat();
1369                 var nuf = getNextUnreadFeed(getActiveFeedId(), is_cat);
1370                 if (nuf) viewfeed({feed: nuf, is_cat: is_cat});
1371         } catch (e) {
1372                 exception_error("openNextUnreadFeed", e);
1373         }
1374 }
1375
1376 function catchupBatchedArticles() {
1377         try {
1378                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent && !_catchup_request_sent) {
1379
1380                         console.log("catchupBatchedArticles: working");
1381
1382                         // make a copy of the array
1383                         var batch = catchup_id_batch.slice();
1384                         var query = "?op=rpc&method=catchupSelected" +
1385                                 "&cmode=0&ids=" + param_escape(batch.toString());
1386
1387                         console.log(query);
1388
1389                         _catchup_request_sent = true;
1390
1391                         new Ajax.Request("backend.php", {
1392                                 parameters: query,
1393                                 onComplete: function(transport) {
1394                                         handle_rpc_json(transport);
1395
1396                                         _catchup_request_sent = false;
1397
1398                                         reply = JSON.parse(transport.responseText);
1399                                         var batch = reply.ids;
1400
1401                                         batch.each(function(id) {
1402                                                 console.log(id);
1403                                                 var elem = $("RROW-" + id);
1404                                                 if (elem) elem.removeClassName("Unread");
1405                                                 catchup_id_batch.remove(id);
1406                                         });
1407
1408                                         updateFloatingTitle(true);
1409
1410                                 } });
1411                 }
1412
1413         } catch (e) {
1414                 exception_error("catchupBatchedArticles", e);
1415         }
1416 }
1417
1418 function catchupRelativeToArticle(below, id) {
1419
1420         try {
1421
1422                 if (!id) id = getActiveArticleId();
1423
1424                 if (!id) {
1425                         alert(__("No article is selected."));
1426                         return;
1427                 }
1428
1429                 var visible_ids = getVisibleArticleIds();
1430
1431                 var ids_to_mark = new Array();
1432
1433                 if (!below) {
1434                         for (var i = 0; i < visible_ids.length; i++) {
1435                                 if (visible_ids[i] != id) {
1436                                         var e = $("RROW-" + visible_ids[i]);
1437
1438                                         if (e && e.hasClassName("Unread")) {
1439                                                 ids_to_mark.push(visible_ids[i]);
1440                                         }
1441                                 } else {
1442                                         break;
1443                                 }
1444                         }
1445                 } else {
1446                         for (var i = visible_ids.length-1; i >= 0; i--) {
1447                                 if (visible_ids[i] != id) {
1448                                         var e = $("RROW-" + visible_ids[i]);
1449
1450                                         if (e && e.hasClassName("Unread")) {
1451                                                 ids_to_mark.push(visible_ids[i]);
1452                                         }
1453                                 } else {
1454                                         break;
1455                                 }
1456                         }
1457                 }
1458
1459                 if (ids_to_mark.length == 0) {
1460                         alert(__("No articles found to mark"));
1461                 } else {
1462                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1463
1464                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1465
1466                                 for (var i = 0; i < ids_to_mark.length; i++) {
1467                                         var e = $("RROW-" + ids_to_mark[i]);
1468                                         e.removeClassName("Unread");
1469                                 }
1470
1471                                 var query = "?op=rpc&method=catchupSelected" +
1472                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1473
1474                                 new Ajax.Request("backend.php", {
1475                                         parameters: query,
1476                                         onComplete: function(transport) {
1477                                                 handle_rpc_json(transport);
1478                                         } });
1479
1480                         }
1481                 }
1482
1483         } catch (e) {
1484                 exception_error("catchupRelativeToArticle", e);
1485         }
1486 }
1487
1488 function cdmCollapseArticle(event, id, unmark) {
1489         try {
1490                 if (unmark == undefined) unmark = true;
1491
1492                 var row = $("RROW-" + id);
1493                 var elem = $("CICD-" + id);
1494
1495                 if (elem && row) {
1496                         var collapse = $$("div#RROW-" + id +
1497                                 " span[class='collapseBtn']")[0];
1498
1499                         Element.hide(elem);
1500                         Element.show("CEXC-" + id);
1501                         Element.hide(collapse);
1502
1503                         if (unmark) {
1504                                 row.removeClassName("active");
1505
1506                                 markHeadline(id, false);
1507
1508                                 if (id == getActiveArticleId()) {
1509                                         setActiveArticleId(0);
1510                                 }
1511
1512                                 updateSelectedPrompt();
1513                         }
1514
1515                         if (event) Event.stop(event);
1516
1517                         PluginHost.run(PluginHost.HOOK_ARTICLE_COLLAPSED, id);
1518
1519                         if (row.offsetTop < $("headlines-frame").scrollTop)
1520                                 scrollToRowId(row.id);
1521
1522                         $("floatingTitle").style.visibility = "hidden";
1523                         $("floatingTitle").setAttribute("rowid", false);
1524                 }
1525
1526         } catch (e) {
1527                 exception_error("cdmCollapseArticle", e);
1528         }
1529 }
1530
1531 function cdmExpandArticle(id, noexpand) {
1532         try {
1533                 console.log("cdmExpandArticle " + id);
1534
1535                 if (!$("RROW-" + id)) return false;
1536
1537                 var oldrow = $("RROW-" + getActiveArticleId());
1538
1539                 var elem = $("CICD-" + getActiveArticleId());
1540
1541                 if (id == getActiveArticleId() && Element.visible(elem))
1542                         return true;
1543
1544                 selectArticles("none");
1545
1546                 var old_offset = $("RROW-" + id).offsetTop;
1547
1548                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1549                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1550                                 " span[class='collapseBtn']")[0];
1551
1552                         Element.hide(elem);
1553                         Element.show("CEXC-" + getActiveArticleId());
1554                         Element.hide(collapse);
1555                 }
1556
1557                 if (oldrow) oldrow.removeClassName("active");
1558
1559                 setActiveArticleId(id);
1560
1561                 elem = $("CICD-" + id);
1562
1563                 var collapse = $$("div#RROW-" + id +
1564                                 " span[class='collapseBtn']")[0];
1565
1566                 var cencw = $("CENCW-" + id);
1567
1568                 if (!Element.visible(elem) && !noexpand) {
1569                         if (cencw) {
1570                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1571                                 cencw.setAttribute('id', '');
1572                                 Element.show(cencw);
1573                         }
1574
1575                         Element.show(elem);
1576                         Element.hide("CEXC-" + id);
1577                         Element.show(collapse);
1578                 }
1579
1580                 var new_offset = $("RROW-" + id).offsetTop;
1581
1582                 if (old_offset > new_offset)
1583                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1584
1585                 if (!noexpand) {
1586                         if (catchup_id_batch.indexOf(id) == -1)
1587                                 catchup_id_batch.push(id);
1588
1589                         catchupCurrentBatchIfNeeded();
1590                 }
1591
1592                 toggleSelected(id);
1593                 $("RROW-" + id).addClassName("active");
1594
1595                 PluginHost.run(PluginHost.HOOK_ARTICLE_EXPANDED, id);
1596
1597         } catch (e) {
1598                 exception_error("cdmExpandArticle", e);
1599         }
1600
1601         return false;
1602 }
1603
1604 function getArticleUnderPointer() {
1605         return post_under_pointer;
1606 }
1607
1608 function scrollArticle(offset) {
1609         try {
1610                 if (!isCdmMode()) {
1611                         var ci = $("content-insert");
1612                         if (ci) {
1613                                 ci.scrollTop += offset;
1614                         }
1615                 } else {
1616                         var hi = $("headlines-frame");
1617                         if (hi) {
1618                                 hi.scrollTop += offset;
1619                         }
1620
1621                 }
1622         } catch (e) {
1623                 exception_error("scrollArticle", e);
1624         }
1625 }
1626
1627 function show_labels_in_headlines(transport) {
1628         try {
1629                 var data = JSON.parse(transport.responseText);
1630
1631                 if (data) {
1632                         data['info-for-headlines'].each(function(elem) {
1633                                 $$(".HLLCTR-" + elem.id).each(function(ctr) {
1634                                         ctr.innerHTML = elem.labels;
1635                                 });
1636                         });
1637                 }
1638         } catch (e) {
1639                 exception_error("show_labels_in_headlines", e);
1640         }
1641 }
1642
1643 function dismissArticle(id) {
1644         try {
1645                 var elem = $("RROW-" + id);
1646
1647                 if (!elem) return;
1648
1649                 toggleUnread(id, 0, true);
1650
1651                 new Effect.Fade(elem, {duration : 0.5});
1652
1653                 // Remove the content, too
1654                 var elem_content = $("CICD-" + id);
1655                 if (elem_content) {
1656                         Element.remove(elem_content);
1657                 }
1658
1659                 if (id == getActiveArticleId()) {
1660                         setActiveArticleId(0);
1661                 }
1662
1663         } catch (e) {
1664                 exception_error("dismissArticle", e);
1665         }
1666 }
1667
1668 function dismissSelectedArticles() {
1669         try {
1670
1671                 var ids = getVisibleArticleIds();
1672                 var tmp = [];
1673                 var sel = [];
1674
1675                 for (var i = 0; i < ids.length; i++) {
1676                         var elem = $("RROW-" + ids[i]);
1677
1678                         if (elem.className && elem.hasClassName("Selected") &&
1679                                         ids[i] != getActiveArticleId()) {
1680                                 new Effect.Fade(elem, {duration : 0.5});
1681                                 sel.push(ids[i]);
1682
1683                                 // Remove the content, too
1684                                 var elem_content = $("CICD-" + ids[i]);
1685                                 if (elem_content) {
1686                                         Element.remove(elem_content);
1687                                 }
1688                         } else {
1689                                 tmp.push(ids[i]);
1690                         }
1691                 }
1692
1693                 if (sel.length > 0)
1694                         selectionToggleUnread(false);
1695
1696
1697         } catch (e) {
1698                 exception_error("dismissSelectedArticles", e);
1699         }
1700 }
1701
1702 function dismissReadArticles() {
1703         try {
1704
1705                 var ids = getVisibleArticleIds();
1706                 var tmp = [];
1707
1708                 for (var i = 0; i < ids.length; i++) {
1709                         var elem = $("RROW-" + ids[i]);
1710
1711                         if (elem.className && !elem.hasClassName("Unread") &&
1712                                         !elem.hasClassName("Selected")) {
1713
1714                                 new Effect.Fade(elem, {duration : 0.5});
1715
1716                                 // Remove the content, too
1717                                 var elem_content = $("CICD-" + ids[i]);
1718                                 if (elem_content) {
1719                                         Element.remove(elem_content);
1720                                 }
1721                         } else {
1722                                 tmp.push(ids[i]);
1723                         }
1724                 }
1725
1726         } catch (e) {
1727                 exception_error("dismissReadArticles", e);
1728         }
1729 }
1730
1731 // we don't really hide rows anymore
1732 function getVisibleArticleIds() {
1733         return getLoadedArticleIds();
1734
1735         /*var ids = [];
1736
1737         try {
1738
1739                 getLoadedArticleIds().each(function(id) {
1740                         var elem = $("RROW-" + id);
1741                         if (elem && Element.visible(elem))
1742                                 ids.push(id);
1743                         });
1744
1745         } catch (e) {
1746                 exception_error("getVisibleArticleIds", e);
1747         }
1748
1749         return ids; */
1750 }
1751
1752 function cdmClicked(event, id) {
1753         try {
1754                 //var shift_key = event.shiftKey;
1755
1756                 if (!event.ctrlKey) {
1757
1758                         if (!getInitParam("cdm_expanded")) {
1759                                 return cdmExpandArticle(id);
1760                         } else {
1761
1762                                 var elem = $("RROW-" + getActiveArticleId());
1763
1764                                 if (elem) elem.removeClassName("active");
1765
1766                                 selectArticles("none");
1767                                 toggleSelected(id);
1768
1769                                 var elem = $("RROW-" + id);
1770                                 var article_is_unread = elem.hasClassName("Unread");
1771
1772                                 elem.removeClassName("Unread");
1773                                 elem.addClassName("active");
1774
1775                                 setActiveArticleId(id);
1776
1777                                 if (article_is_unread) {
1778                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1779                                         updateFloatingTitle(true);
1780                                 }
1781
1782                                 var query = "?op=rpc&method=catchupSelected" +
1783                                         "&cmode=0&ids=" + param_escape(id);
1784
1785                                 new Ajax.Request("backend.php", {
1786                                         parameters: query,
1787                                         onComplete: function(transport) {
1788                                                 handle_rpc_json(transport);
1789                                         } });
1790
1791                                 return !event.shiftKey;
1792                         }
1793
1794                 } else if (event.target.parents(".cdmHeader").length > 0) {
1795
1796                         toggleSelected(id, true);
1797
1798                         var elem = $("RROW-" + id);
1799                         var article_is_unread = elem.hasClassName("Unread");
1800
1801                         if (article_is_unread) {
1802                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1803                         }
1804
1805                         toggleUnread(id, 0, false);
1806
1807                         openArticleInNewWindow(id);
1808                 }
1809
1810                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1811                 request_counters(unread_in_buffer == 0);
1812
1813         } catch (e) {
1814                 exception_error("cdmClicked");
1815         }
1816
1817         return false;
1818 }
1819
1820 function hlClicked(event, id) {
1821         try {
1822                 if (event.which == 2) {
1823                         view(id);
1824                         return true;
1825                 } else if (event.ctrlKey) {
1826                         toggleSelected(id, true);
1827                         toggleUnread(id, 0, false);
1828                         openArticleInNewWindow(id);
1829                         return false;
1830                 } else {
1831                         view(id);
1832                         return false;
1833                 }
1834
1835         } catch (e) {
1836                 exception_error("hlClicked");
1837         }
1838 }
1839
1840 function getFirstVisibleHeadlineId() {
1841         var rows = getVisibleArticleIds();
1842         return rows[0];
1843
1844 }
1845
1846 function getLastVisibleHeadlineId() {
1847         var rows = getVisibleArticleIds();
1848         return rows[rows.length-1];
1849 }
1850
1851 function openArticleInNewWindow(id) {
1852         toggleUnread(id, 0, false);
1853         window.open("backend.php?op=article&method=redirect&id=" + id);
1854 }
1855
1856 function isCdmMode() {
1857         return getInitParam("combined_display_mode");
1858 }
1859
1860 function markHeadline(id, marked) {
1861         if (marked == undefined) marked = true;
1862
1863         var row = $("RROW-" + id);
1864         if (row) {
1865                 var check = dijit.getEnclosingWidget(
1866                                 row.getElementsByClassName("rchk")[0]);
1867
1868                 if (check) {
1869                         check.attr("checked", marked);
1870                 }
1871
1872                 if (marked)
1873                         row.addClassName("Selected");
1874                 else
1875                         row.removeClassName("Selected");
1876         }
1877 }
1878
1879 function getRelativePostIds(id, limit) {
1880
1881         var tmp = [];
1882
1883         try {
1884
1885                 if (!limit) limit = 6; //3
1886
1887                 var ids = getVisibleArticleIds();
1888
1889                 for (var i = 0; i < ids.length; i++) {
1890                         if (ids[i] == id) {
1891                                 for (var k = 1; k <= limit; k++) {
1892                                         //if (i > k-1) tmp.push(ids[i-k]);
1893                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1894                                 }
1895                                 break;
1896                         }
1897                 }
1898
1899         } catch (e) {
1900                 exception_error("getRelativePostIds", e);
1901         }
1902
1903         return tmp;
1904 }
1905
1906 function correctHeadlinesOffset(id) {
1907
1908         try {
1909
1910                 var container = $("headlines-frame");
1911                 var row = $("RROW-" + id);
1912
1913                 if (!container || !row) return;
1914
1915                 var viewport = container.offsetHeight;
1916
1917                 var rel_offset_top = row.offsetTop - container.scrollTop;
1918                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1919
1920                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1921                 //console.log("Vport: " + viewport);
1922
1923                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1924                         container.scrollTop = row.offsetTop;
1925                 } else if (rel_offset_bottom > viewport) {
1926
1927                         /* doesn't properly work with Opera in some cases because
1928                                 Opera fucks up element scrolling */
1929
1930                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1931                 }
1932
1933         } catch (e) {
1934                 exception_error("correctHeadlinesOffset", e);
1935         }
1936
1937 }
1938
1939 function headlineActionsChange(elem) {
1940         try {
1941                 eval(elem.value);
1942                 elem.attr('value', 'false');
1943         } catch (e) {
1944                 exception_error("headlineActionsChange", e);
1945         }
1946 }
1947
1948 function closeArticlePanel() {
1949
1950         if (dijit.byId("content-insert"))
1951                 dijit.byId("headlines-wrap-inner").removeChild(
1952                         dijit.byId("content-insert"));
1953 }
1954
1955 function initFloatingMenu() {
1956         try {
1957                 if (dijit.byId("floatingMenu"))
1958                         dijit.byId("floatingMenu").destroyRecursive();
1959
1960                         var menu = new dijit.Menu({
1961                                 id: "floatingMenu",
1962                                 targetNodeIds: ["floatingTitle"]
1963                         });
1964
1965                         var id = $("floatingTitle").getAttribute("rowid").replace("RROW-", "");
1966
1967                         headlinesMenuCommon(menu, id);
1968
1969                         menu.startup();
1970         } catch (e) {
1971                 exception_error("initFloatingMenu", e);
1972         }
1973 }
1974
1975 function headlinesMenuCommon(menu, base_id) {
1976         try {
1977
1978                 menu.addChild(new dijit.MenuItem({
1979                         label: __("Open original article"),
1980                         onClick: function(event) {
1981                                 openArticleInNewWindow(base_id ? base_id : this.getParent().callerRowId);
1982                         }}));
1983
1984                 menu.addChild(new dijit.MenuItem({
1985                         label: __("Display article URL"),
1986                         onClick: function(event) {
1987                                 displayArticleUrl(base_id ? base_id : this.getParent().callerRowId);
1988                         }}));
1989
1990                 menu.addChild(new dijit.MenuSeparator());
1991
1992                 menu.addChild(new dijit.MenuItem({
1993                         label: __("Toggle unread"),
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                                 selectionToggleUnread(undefined, false, true, ids);
2001                                 }}));
2002
2003                 menu.addChild(new dijit.MenuItem({
2004                         label: __("Toggle starred"),
2005                         onClick: function(event) {
2006                                 var ids = getSelectedArticleIds2();
2007                                 // cast to string
2008                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
2009                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2010
2011                                 selectionToggleMarked(undefined, false, true, ids);
2012                                 }}));
2013
2014                 menu.addChild(new dijit.MenuItem({
2015                         label: __("Toggle published"),
2016                         onClick: function(event) {
2017                                 var ids = getSelectedArticleIds2();
2018                                 // cast to string
2019                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
2020                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2021
2022                                 selectionTogglePublished(undefined, false, true, ids);
2023                                 }}));
2024
2025                 menu.addChild(new dijit.MenuSeparator());
2026
2027                 menu.addChild(new dijit.MenuItem({
2028                         label: __("Mark above as read"),
2029                         onClick: function(event) {
2030                                 catchupRelativeToArticle(0, base_id ? base_id : this.getParent().callerRowId);
2031                                 }}));
2032
2033                 menu.addChild(new dijit.MenuItem({
2034                         label: __("Mark below as read"),
2035                         onClick: function(event) {
2036                                 catchupRelativeToArticle(1, base_id ? base_id : this.getParent().callerRowId);
2037                                 }}));
2038
2039
2040                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
2041
2042                 if (labels) {
2043
2044                         menu.addChild(new dijit.MenuSeparator());
2045
2046                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
2047                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
2048
2049                         labels.each(function(label) {
2050                                 var id = label.id[0];
2051                                 var bare_id = id.substr(id.indexOf(":")+1);
2052                                 var name = label.name[0];
2053
2054                                 bare_id = feed_to_label_id(bare_id);
2055
2056                                 labelAddMenu.addChild(new dijit.MenuItem({
2057                                         label: name,
2058                                         labelId: bare_id,
2059                                         onClick: function(event) {
2060                                                 var ids = getSelectedArticleIds2();
2061                                                 // cast to string
2062                                                 var id = (base_id ? base_id : this.getParent().ownerMenu.callerRowId) + "";
2063
2064                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2065
2066                                                 selectionAssignLabel(this.labelId, ids);
2067                                 }}));
2068
2069                                 labelDelMenu.addChild(new dijit.MenuItem({
2070                                         label: name,
2071                                         labelId: bare_id,
2072                                         onClick: function(event) {
2073                                                 var ids = getSelectedArticleIds2();
2074                                                 // cast to string
2075                                                 var id = (base_id ? base_id : this.getParent().ownerMenu.callerRowId) + "";
2076
2077                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2078
2079                                                 selectionRemoveLabel(this.labelId, ids);
2080                                 }}));
2081
2082                         });
2083
2084                         menu.addChild(new dijit.PopupMenuItem({
2085                                 label: __("Assign label"),
2086                                 popup: labelAddMenu
2087                         }));
2088
2089                         menu.addChild(new dijit.PopupMenuItem({
2090                                 label: __("Remove label"),
2091                                 popup: labelDelMenu
2092                         }));
2093
2094                 }
2095
2096
2097         } catch (e) {
2098                 exception_error("headlinesMenuCommon", e);
2099         }
2100 }
2101
2102 function initHeadlinesMenu() {
2103         try {
2104                 if (dijit.byId("headlinesMenu"))
2105                         dijit.byId("headlinesMenu").destroyRecursive();
2106
2107                 var ids = [];
2108
2109                 if (!isCdmMode()) {
2110                         nodes = $$("#headlines-frame > div[id*=RROW]");
2111                 } else {
2112                         nodes = $$("#headlines-frame span[id*=RTITLE]");
2113                 }
2114
2115                 nodes.each(function(node) {
2116                         ids.push(node.id);
2117                 });
2118
2119                 var menu = new dijit.Menu({
2120                         id: "headlinesMenu",
2121                         targetNodeIds: ids
2122                 });
2123
2124                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
2125                         var callerNode = event.target, match = null, tries = 0;
2126
2127                         while (match == null && callerNode && tries <= 3) {
2128                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2129                                 callerNode = callerNode.parentNode;
2130                                 ++tries;
2131                         }
2132
2133                         if (match) this.callerRowId = parseInt(match[1]);
2134
2135                 });
2136
2137                 headlinesMenuCommon(menu, false);
2138
2139                 menu.startup();
2140
2141                 /* vgroup feed title menu */
2142
2143                 var nodes = $$("#headlines-frame > div[class='cdmFeedTitle']");
2144                 var ids = [];
2145
2146                 nodes.each(function(node) {
2147                         ids.push(node.id);
2148                 });
2149
2150                 if (ids.length > 0) {
2151                         if (dijit.byId("headlinesFeedTitleMenu"))
2152                                 dijit.byId("headlinesFeedTitleMenu").destroyRecursive();
2153
2154                         var menu = new dijit.Menu({
2155                                 id: "headlinesFeedTitleMenu",
2156                                 targetNodeIds: ids
2157                         });
2158
2159                         var tmph = dojo.connect(menu, '_openMyself', function (event) {
2160                                 var callerNode = event.target, match = null, tries = 0;
2161
2162                                 while (match == null && callerNode && tries <= 3) {
2163                                         console.log(callerNode.id);
2164
2165                                         match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2166                                         callerNode = callerNode.parentNode;
2167                                         ++tries;
2168
2169                                         console.log(match[1]);
2170                                 }
2171
2172                                 if (match) this.callerRowId = parseInt(match[1]);
2173
2174                         });
2175
2176                         menu.addChild(new dijit.MenuItem({
2177                                 label: __("Select articles in group"),
2178                                 onClick: function(event) {
2179                                         selectArticles("all",
2180                                                 "#headlines-frame > div[id*=RROW]"+
2181                                                 "[orig-feed-id='"+menu.callerRowId+"']");
2182
2183                                 }}));
2184
2185                         menu.addChild(new dijit.MenuItem({
2186                                 label: __("Mark group as read"),
2187                                 onClick: function(event) {
2188                                         selectArticles("none");
2189                                         selectArticles("all",
2190                                                 "#headlines-frame > div[id*=RROW]"+
2191                                                 "[orig-feed-id='"+menu.callerRowId+"']");
2192
2193                                         catchupSelection();
2194                                 }}));
2195
2196
2197                         menu.addChild(new dijit.MenuItem({
2198                                 label: __("Mark feed as read"),
2199                                 onClick: function(event) {
2200                                         catchupFeedInGroup(menu.callerRowId);
2201                                 }}));
2202
2203                         menu.addChild(new dijit.MenuItem({
2204                                 label: __("Edit feed"),
2205                                 onClick: function(event) {
2206                                         editFeed(menu.callerRowId);
2207                                 }}));
2208
2209                         menu.startup();
2210
2211                 }
2212
2213         } catch (e) {
2214                 exception_error("initHeadlinesMenu", e);
2215         }
2216 }
2217
2218 function cache_set(id, obj) {
2219         //console.log("cache_set: " + id);
2220         if (has_storage)
2221                 try {
2222                         sessionStorage[id] = obj;
2223                 } catch (e) {
2224                         sessionStorage.clear();
2225                 }
2226 }
2227
2228 function cache_get(id) {
2229         if (has_storage)
2230                 return sessionStorage[id];
2231 }
2232
2233 function cache_clear() {
2234         if (has_storage)
2235                 sessionStorage.clear();
2236 }
2237
2238 function cache_delete(id) {
2239         if (has_storage)
2240                 sessionStorage.removeItem(id);
2241 }
2242
2243 function cancelSearch() {
2244         try {
2245                 _search_query = "";
2246                 viewCurrentFeed();
2247         } catch (e) {
2248                 exception_error("cancelSearch", e);
2249         }
2250 }
2251
2252 function setSelectionScore() {
2253         try {
2254                 var ids = getSelectedArticleIds2();
2255
2256                 if (ids.length > 0) {
2257                         console.log(ids);
2258
2259                         var score = prompt(__("Please enter new score for selected articles:"), score);
2260
2261                         if (score != undefined) {
2262                                 var query = "op=article&method=setScore&id=" + param_escape(ids.toString()) +
2263                                         "&score=" + param_escape(score);
2264
2265                                 new Ajax.Request("backend.php", {
2266                                         parameters: query,
2267                                         onComplete: function(transport) {
2268                                                 var reply = JSON.parse(transport.responseText);
2269                                                 if (reply) {
2270                                                         console.log(ids);
2271
2272                                                         ids.each(function(id) {
2273                                                                 var row = $("RROW-" + id);
2274
2275                                                                 if (row) {
2276                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2277
2278                                                                         if (pic) {
2279                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2280                                                                                         reply["score_pic"]);
2281                                                                                 pic.setAttribute("score", score);
2282                                                                         }
2283                                                                 }
2284                                                         });
2285                                                 }
2286                                         } });
2287                         }
2288
2289                 } else {
2290                         alert(__("No articles are selected."));
2291                 }
2292         } catch (e) {
2293                 exception_error("setSelectionScore", e);
2294         }
2295 }
2296
2297 function updateScore(id) {
2298         try {
2299                 var pic = $$("#RROW-" + id + " .hlScorePic")[0];
2300
2301                 if (pic) {
2302
2303                         var query = "op=article&method=getScore&id=" + param_escape(id);
2304
2305                         new Ajax.Request("backend.php", {
2306                                 parameters: query,
2307                                 onComplete: function(transport) {
2308                                         console.log(transport.responseText);
2309
2310                                         var reply = JSON.parse(transport.responseText);
2311
2312                                         if (reply) {
2313                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2314                                                 pic.setAttribute("score", reply["score"]);
2315                                                 pic.setAttribute("title", reply["score"]);
2316                                         }
2317                                 } });
2318                 }
2319
2320         } catch (e) {
2321                 exception_error("updateScore", e);
2322         }
2323 }
2324
2325 function changeScore(id, pic) {
2326         try {
2327                 var score = pic.getAttribute("score");
2328
2329                 var new_score = prompt(__("Please enter new score for this article:"), score);
2330
2331                 if (new_score != undefined) {
2332
2333                         var query = "op=article&method=setScore&id=" + param_escape(id) +
2334                                 "&score=" + param_escape(new_score);
2335
2336                         new Ajax.Request("backend.php", {
2337                                 parameters: query,
2338                                 onComplete: function(transport) {
2339                                         var reply = JSON.parse(transport.responseText);
2340
2341                                         if (reply) {
2342                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2343                                                 pic.setAttribute("score", new_score);
2344                                                 pic.setAttribute("title", new_score);
2345                                         }
2346                                 } });
2347                 }
2348         } catch (e) {
2349                 exception_error("changeScore", e);
2350         }
2351 }
2352
2353 function displayArticleUrl(id) {
2354         try {
2355                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2356
2357                         new Ajax.Request("backend.php", {
2358                                 parameters: query,
2359                                 onComplete: function(transport) {
2360                                         var reply = JSON.parse(transport.responseText);
2361
2362                                         if (reply && reply.link) {
2363                                                 prompt(__("Article URL:"), reply.link);
2364                                         }
2365                                 } });
2366         } catch (e) {
2367                 exception_error("changeScore", e);
2368         }
2369 }
2370
2371 function scrollToRowId(id) {
2372         try {
2373                 var row = $(id);
2374
2375                 if (row)
2376                         $("headlines-frame").scrollTop = row.offsetTop - 4;
2377
2378         } catch (e) {
2379                 exception_error("scrollToRowId", e);
2380         }
2381 }
2382
2383 function updateFloatingTitle(unread_only) {
2384         try {
2385                 if (!isCdmMode()) return;
2386
2387                 var hf = $("headlines-frame");
2388
2389                 var elems = $$("#headlines-frame > div[id*=RROW]");
2390
2391                 for (var i = 0; i < elems.length; i++) {
2392
2393                         var child = elems[i];
2394
2395                         if (child && child.offsetTop + child.offsetHeight > hf.scrollTop) {
2396
2397                                 var header = child.getElementsByClassName("cdmHeader")[0];
2398
2399                                 if (unread_only || child.id != $("floatingTitle").getAttribute("rowid")) {
2400                                         if (child.id != $("floatingTitle").getAttribute("rowid")) {
2401                                                 $("floatingTitle").setAttribute("rowid", child.id);
2402                                                 $("floatingTitle").innerHTML = header.innerHTML;
2403                                                 $("floatingTitle").firstChild.innerHTML = "<img class='anchor markedPic' src='images/page_white_go.png' onclick=\"scrollToRowId('"+child.id+"')\">" + $("floatingTitle").firstChild.innerHTML;
2404
2405                                                 initFloatingMenu();
2406
2407                                                 var cb = $$("#floatingTitle .dijitCheckBox")[0];
2408
2409                                                 if (cb)
2410                                                         cb.parentNode.removeChild(cb);
2411                                         }
2412
2413                                         if (child.hasClassName("Unread"))
2414                                                 $("floatingTitle").addClassName("Unread");
2415                                         else
2416                                                 $("floatingTitle").removeClassName("Unread");
2417
2418                                         PluginHost.run(PluginHost.HOOK_FLOATING_TITLE, child);
2419                                 }
2420
2421                                 $("floatingTitle").style.marginRight = hf.offsetWidth - child.offsetWidth + "px";
2422                                 if (header.offsetTop + header.offsetHeight < hf.scrollTop + $("floatingTitle").offsetHeight - 5 &&
2423                                     child.offsetTop + child.offsetHeight >= hf.scrollTop + $("floatingTitle").offsetHeight - 5)
2424                                         $("floatingTitle").style.visibility = "visible";
2425                                 else
2426                                         $("floatingTitle").style.visibility = "hidden";
2427
2428                                 return;
2429
2430                         }
2431                 }
2432
2433         } catch (e) {
2434                 exception_error("updateFloatingTitle", e);
2435         }
2436 }
2437
2438 function catchupCurrentBatchIfNeeded() {
2439         if (catchup_id_batch.length > 0) {
2440                 window.clearTimeout(catchup_timeout_id);
2441                 catchup_timeout_id = window.setTimeout('catchupBatchedArticles()', 1000);
2442
2443                 if (catchup_id_batch.length >= 10) {
2444                         catchupBatchedArticles();
2445                 }
2446         }
2447 }
2448
2449 function cdmFooterClick(event) {
2450         event.stopPropagation();
2451 }