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