js/viewfeed.js

   1 var active_post_id = false;
   2
   3 var article_cache = new Array();
   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 var feed_precache_timeout_id = false;
  13 var precache_idle_timeout_id = false;
  14
  15 var cids_requested = [];
  16 var loaded_article_ids = [];
  17
  18 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  19
  20 function headlines_callback2(transport, offset, background, infscroll_req) {
  21         try {
  22                 handle_rpc_json(transport);
  23
  24                 loading_set_progress(25);
  25
  26                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  27
  28                 var is_cat = false;
  29                 var feed_id = false;
  30
  31                 var reply = false;
  32
  33                 try {
  34                         reply = JSON.parse(transport.responseText);
  35                 } catch (e) {
  36                         console.error(e);
  37                 }
  38
  39                 if (reply) {
  40
  41                         is_cat = reply['headlines']['is_cat'];
  42                         feed_id = reply['headlines']['id'];
  43
  44                         if (background) {
  45                                 var content = reply['headlines']['content'];
  46
  47                                 if (getInitParam("cdm_auto_catchup") == 1) {
  48                                         content = content + "<div id='headlines-spacer'></div>";
  49                                 }
  50
  51                                 cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], content);
  52                                 return;
  53                         }
  54
  55                         setActiveFeedId(feed_id, is_cat);
  56
  57                         dijit.getEnclosingWidget(
  58                                 document.forms["main_toolbar_form"].update).attr('disabled',
  59                                         is_cat || feed_id <= 0);
  60
  61                         try {
  62                                 if (offset == 0 && infscroll_req == false) {
  63                                         $("headlines-frame").scrollTop = 0;
  64                                 }
  65                         } catch (e) { };
  66
  67                         var headlines_count = reply['headlines-info']['count'];
  68
  69                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  70
  71                         if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
  72                                 _infscroll_disable = 1;
  73                         } else {
  74                                 _infscroll_disable = 0;
  75                         }
  76
  77                         var counters = reply['counters'];
  78                         var articles = reply['articles'];
  79                         //var runtime_info = reply['runtime-info'];
  80
  81                         if (offset == 0 && infscroll_req == false) {
  82                                 loaded_article_ids = [];
  83
  84                                 dijit.byId("headlines-frame").attr('content',
  85                                         reply['headlines']['content']);
  86
  87                                 dijit.byId("headlines-toolbar").attr('content',
  88                                         reply['headlines']['toolbar']);
  89
  90                                 $$("#headlines-frame > div[id*=RROW]").each(function(row) {
  91                                         if (loaded_article_ids.indexOf(row.id) != -1) {
  92                                                 row.parentNode.removeChild(row);
  93                                         } else {
  94                                                 loaded_article_ids.push(row.id);
  95                                         }
  96                                 });
  97
  98                                 if (getInitParam("cdm_auto_catchup") == 1) {
  99                                         var hsp = $("headlines-spacer");
 100                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 101                                         dijit.byId('headlines-frame').domNode.appendChild(hsp);
 102                                 }
 103
 104                                 initHeadlinesMenu();
 105
 106                                 if (_search_query) {
 107                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 108                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 109                                                 "</span>";
 110                                 }
 111
 112                         } else {
 113
 114                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 115                                         console.log("adding some more headlines: " + headlines_count);
 116
 117                                         var c = dijit.byId("headlines-frame");
 118                                         var ids = getSelectedArticleIds2();
 119                                         var new_elems = [];
 120
 121                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 122
 123                                         var hsp = $("headlines-spacer");
 124
 125                                         if (hsp)
 126                                                 c.domNode.removeChild(hsp);
 127
 128                                         $$("#headlines-tmp > div").each(function(row) {
 129                                                 if (row.className == 'cdmFeedTitle') {
 130                                                         row.style.display = 'none';
 131                                                         c.domNode.appendChild(row);
 132                                                         new_elems.push(row);
 133                                                 } else if (loaded_article_ids.indexOf(row.id) == -1) {
 134                                                         row.style.display = 'none';
 135                                                         c.domNode.appendChild(row);
 136                                                         new_elems.push(row);
 137                                                         loaded_article_ids.push(row.id);
 138                                                 } else {
 139                                                         row.parentNode.removeChild(row);
 140                                                 }
 141                                         });
 142
 143                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 144
 145                                         fixHeadlinesOrder(getLoadedArticleIds());
 146
 147                                         if (getInitParam("cdm_auto_catchup") == 1) {
 148                                                 c.domNode.appendChild(hsp);
 149                                         }
 150
 151                                         console.log("added " + new_elems.size() + " headlines");
 152
 153                                         if (new_elems.size() == 0)
 154                                                 _infscroll_disable = true;
 155
 156                                         console.log("restore selected ids: " + ids);
 157
 158                                         for (var i = 0; i < ids.length; i++) {
 159                                                 markHeadline(ids[i]);
 160                                         }
 161
 162                                         initHeadlinesMenu();
 163
 164                                         new_elems.each(function(child) {
 165                                                 var cb = dijit.byId(child.id.replace("RROW-", "RCHK-"));
 166
 167                                                 if (!cb) {
 168                                                         dojo.parser.parse(child);
 169
 170                                                         if (!Element.visible(child))
 171                                                                 new Effect.Appear(child, { duration : 0.5 });
 172                                                 } else {
 173                                                         c.domNode.removeChild(child);
 174                                                 }
 175                                         });
 176
 177                                 } else {
 178                                         console.log("no new headlines received");
 179
 180                                         var hsp = $("headlines-spacer");
 181
 182                                         if (hsp) hsp.innerHTML = "";
 183                                 }
 184                         }
 185
 186                         if (headlines_count > 0)
 187                                 cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], $("headlines-frame").innerHTML);
 188
 189                         if (articles) {
 190                                 for (var i = 0; i < articles.length; i++) {
 191                                         var a_id = articles[i]['id'];
 192                                         cache_set("article:" + a_id, articles[i]['content']);
 193                                 }
 194                         } else {
 195                                 console.log("no cached articles received");
 196                         }
 197
 198                         // do not precache stuff after fresh feed
 199                         if (feed_id != -3)
 200                                 precache_headlines();
 201
 202                         if (counters)
 203                                 parse_counters(counters);
 204                         else
 205                                 request_counters();
 206
 207                 } else if (transport.responseText) {
 208                         console.error("Invalid object received: " + transport.responseText);
 209                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 210                                         __('Could not update headlines (invalid object received - see error console for details)') +
 211                                         "</div>");
 212                 } else {
 213                         //notify_error("Error communicating with server.");
 214                         Element.show("net-alert");
 215                 }
 216
 217                 _infscroll_request_sent = 0;
 218
 219                 notify("");
 220
 221         } catch (e) {
 222                 exception_error("headlines_callback2", e, transport);
 223         }
 224 }
 225
 226 function render_article(article) {
 227         try {
 228                 dijit.byId("headlines-wrap-inner").addChild(
 229                                 dijit.byId("content-insert"));
 230
 231                 var c = dijit.byId("content-insert");
 232
 233                 try {
 234                         c.domNode.scrollTop = 0;
 235                 } catch (e) { };
 236
 237                 c.attr('content', article);
 238
 239                 correctHeadlinesOffset(getActiveArticleId());
 240
 241                 try {
 242                         c.focus();
 243                 } catch (e) { };
 244
 245         } catch (e) {
 246                 exception_error("render_article", e);
 247         }
 248 }
 249
 250 function showArticleInHeadlines(id) {
 251
 252         try {
 253
 254                 selectArticles("none");
 255
 256                 var crow = $("RROW-" + id);
 257
 258                 if (!crow) return;
 259
 260                 var article_is_unread = crow.hasClassName("Unread");
 261
 262                 crow.removeClassName("Unread");
 263
 264                 selectArticles('none');
 265
 266                 var view_mode = false;
 267
 268                 try {
 269                         view_mode = document.forms['main_toolbar_form'].view_mode;
 270                         view_mode = view_mode[view_mode.selectedIndex].value;
 271                 } catch (e) {
 272                         //
 273                 }
 274
 275                 if (article_is_unread && view_mode == "all_articles") {
 276                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 277                 }
 278
 279                 markHeadline(id);
 280
 281                 if (article_is_unread)
 282                         _force_scheduled_update = true;
 283
 284         } catch (e) {
 285                 exception_error("showArticleInHeadlines", e);
 286         }
 287 }
 288
 289 function article_callback2(transport, id) {
 290         try {
 291                 console.log("article_callback2 " + id);
 292
 293                 handle_rpc_json(transport);
 294
 295                 var reply = false;
 296
 297                 try {
 298                         reply = JSON.parse(transport.responseText);
 299                 } catch (e) {
 300                         console.error(e);
 301                 }
 302
 303                 if (reply) {
 304
 305                         reply.each(function(article) {
 306                                 if (active_post_id == article['id']) {
 307                                         render_article(article['content']);
 308                                 }
 309                                 cids_requested.remove(article['id']);
 310
 311                                 cache_set("article:" + article['id'], article['content']);
 312                         });
 313
 314 //                      if (id != last_requested_article) {
 315 //                              console.log("requested article id is out of sequence, aborting");
 316 //                              return;
 317 //                      }
 318
 319                 } else if (transport.responseText) {
 320                         console.error("Invalid object received: " + transport.responseText);
 321
 322                         render_article("<div class='whiteBox'>" +
 323                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 324                 } else {
 325                         Element.show("net-alert");
 326                 }
 327
 328                 request_counters();
 329
 330                 headlines_scroll_handler($("headlines-frame"));
 331
 332 /*              try {
 333                         if (!_infscroll_disable &&
 334                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 335
 336                                 loadMoreHeadlines();
 337                         }
 338                 } catch (e) {
 339                         console.warn(e);
 340                 } */
 341
 342                 notify("");
 343         } catch (e) {
 344                 exception_error("article_callback2", e, transport);
 345         }
 346 }
 347
 348 function view(id) {
 349         try {
 350                 console.log("loading article: " + id);
 351
 352                 var cached_article = cache_get("article:" + id);
 353
 354                 console.log("cache check result: " + (cached_article != false));
 355
 356                 hideAuxDlg();
 357
 358                 var query = "?op=article&method=view&id=" + param_escape(id);
 359
 360                 var neighbor_ids = getRelativePostIds(id);
 361
 362                 /* only request uncached articles */
 363
 364                 var cids_to_request = [];
 365
 366                 for (var i = 0; i < neighbor_ids.length; i++) {
 367                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 368                                 if (!cache_get("article:" + neighbor_ids[i])) {
 369                                         cids_to_request.push(neighbor_ids[i]);
 370                                         cids_requested.push(neighbor_ids[i]);
 371                                 }
 372                 }
 373
 374                 console.log("additional ids: " + cids_to_request.toString());
 375
 376                 query = query + "&cids=" + cids_to_request.toString();
 377
 378                 var crow = $("RROW-" + id);
 379                 var article_is_unread = crow.hasClassName("Unread");
 380
 381                 active_post_id = id;
 382                 showArticleInHeadlines(id);
 383
 384                 precache_headlines();
 385
 386                 if (cached_article && article_is_unread) {
 387
 388                         query = query + "&mode=prefetch";
 389
 390                         render_article(cached_article);
 391
 392                 } else if (cached_article) {
 393
 394                         query = query + "&mode=prefetch_old";
 395                         render_article(cached_article);
 396
 397                         // if we don't need to request any relative ids, we might as well skip
 398                         // the server roundtrip altogether
 399                         if (cids_to_request.length == 0) {
 400
 401 /*                              try {
 402                                         if (!_infscroll_disable &&
 403                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 404
 405                                                         loadMoreHeadlines();
 406                                         }
 407                                 } catch (e) {
 408                                         console.warn(e);
 409                                 } */
 410
 411                                 headlines_scroll_handler($("headlines-frame"));
 412
 413                                 return;
 414                         }
 415                 }
 416
 417                 last_requested_article = id;
 418
 419                 console.log(query);
 420
 421                 if (article_is_unread) {
 422                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 423                 }
 424
 425                 new Ajax.Request("backend.php", {
 426                         parameters: query,
 427                         onComplete: function(transport) {
 428                                 article_callback2(transport, id);
 429                         } });
 430
 431                 return false;
 432
 433         } catch (e) {
 434                 exception_error("view", e);
 435         }
 436 }
 437
 438 function toggleMark(id, client_only) {
 439         try {
 440                 var query = "?op=rpc&id=" + id + "&method=mark";
 441
 442                 var img = $("FMPIC-" + id);
 443
 444                 if (!img) return;
 445
 446                 if (img.src.match("mark_unset")) {
 447                         img.src = img.src.replace("mark_unset", "mark_set");
 448                         img.alt = __("Unstar article");
 449                         query = query + "&mark=1";
 450
 451                 } else {
 452                         img.src = img.src.replace("mark_set", "mark_unset");
 453                         img.alt = __("Star article");
 454                         query = query + "&mark=0";
 455                 }
 456
 457                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 458
 459                 if (!client_only) {
 460                         new Ajax.Request("backend.php", {
 461                                 parameters: query,
 462                                 onComplete: function(transport) {
 463                                         handle_rpc_json(transport);
 464                                 } });
 465                 }
 466
 467         } catch (e) {
 468                 exception_error("toggleMark", e);
 469         }
 470 }
 471
 472 function togglePub(id, client_only, no_effects, note) {
 473         try {
 474                 var query = "?op=rpc&id=" + id + "&method=publ";
 475
 476                 if (note != undefined) {
 477                         query = query + "&note=" + param_escape(note);
 478                 } else {
 479                         query = query + "&note=undefined";
 480                 }
 481
 482                 var img = $("FPPIC-" + id);
 483
 484                 if (!img) return;
 485
 486                 if (img.src.match("pub_unset") || note != undefined) {
 487                         img.src = img.src.replace("pub_unset", "pub_set");
 488                         img.alt = __("Unpublish article");
 489                         query = query + "&pub=1";
 490
 491                 } else {
 492                         img.src = img.src.replace("pub_set", "pub_unset");
 493                         img.alt = __("Publish article");
 494
 495                         query = query + "&pub=0";
 496                 }
 497
 498                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 499
 500                 if (!client_only) {
 501                         new Ajax.Request("backend.php", {
 502                                 parameters: query,
 503                                 onComplete: function(transport) {
 504                                         handle_rpc_json(transport);
 505                                 } });
 506                 }
 507
 508         } catch (e) {
 509                 exception_error("togglePub", e);
 510         }
 511 }
 512
 513 function moveToPost(mode) {
 514
 515         try {
 516
 517                 var rows = getVisibleArticleIds();
 518
 519                 var prev_id = false;
 520                 var next_id = false;
 521
 522                 if (!$('RROW-' + active_post_id)) {
 523                         active_post_id = false;
 524                 }
 525
 526                 if (active_post_id == false) {
 527                         next_id = rows[0];
 528                         prev_id = rows[rows.length-1]
 529                 } else {
 530                         for (var i = 0; i < rows.length; i++) {
 531                                 if (rows[i] == active_post_id) {
 532
 533                                         // Account for adjacent identical article ids.
 534                                         if (i > 0) prev_id = rows[i-1];
 535
 536                                         for (var j = i+1; j < rows.length; j++) {
 537                                                 if (rows[j] != active_post_id) {
 538                                                         next_id = rows[j];
 539                                                         break;
 540                                                 }
 541                                         }
 542                                         break;
 543                                 }
 544                         }
 545                 }
 546
 547                 if (mode == "next") {
 548                         if (next_id) {
 549                                 if (isCdmMode()) {
 550
 551                                         cdmExpandArticle(next_id);
 552                                         cdmScrollToArticleId(next_id);
 553
 554                                 } else {
 555                                         correctHeadlinesOffset(next_id);
 556                                         view(next_id, getActiveFeedId());
 557                                 }
 558                         }
 559                 }
 560
 561                 if (mode == "prev") {
 562                         if (prev_id) {
 563                                 if (isCdmMode()) {
 564                                         cdmExpandArticle(prev_id);
 565                                         cdmScrollToArticleId(prev_id);
 566                                 } else {
 567                                         correctHeadlinesOffset(prev_id);
 568                                         view(prev_id, getActiveFeedId());
 569                                 }
 570                         }
 571                 }
 572
 573         } catch (e) {
 574                 exception_error("moveToPost", e);
 575         }
 576 }
 577
 578 function toggleSelected(id, force_on) {
 579         try {
 580
 581                 var cb = dijit.byId("RCHK-" + id);
 582                 var row = $("RROW-" + id);
 583
 584                 if (row) {
 585                         if (row.hasClassName('Selected') && !force_on) {
 586                                 row.removeClassName('Selected');
 587                                 if (cb) cb.attr("checked", false);
 588                         } else {
 589                                 row.addClassName('Selected');
 590                                 if (cb) cb.attr("checked", true);
 591                         }
 592                 }
 593         } catch (e) {
 594                 exception_error("toggleSelected", e);
 595         }
 596 }
 597
 598 function toggleUnread_afh(effect) {
 599         try {
 600
 601                 var elem = effect.element;
 602                 elem.style.backgroundColor = "";
 603
 604         } catch (e) {
 605                 exception_error("toggleUnread_afh", e);
 606         }
 607 }
 608
 609 function toggleUnread(id, cmode, effect) {
 610         try {
 611
 612                 var row = $("RROW-" + id);
 613                 if (row) {
 614                         if (cmode == undefined || cmode == 2) {
 615                                 if (row.hasClassName("Unread")) {
 616                                         row.removeClassName("Unread");
 617
 618                                         if (effect) {
 619                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 620                                                         afterFinish: toggleUnread_afh,
 621                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 622                                         }
 623
 624                                 } else {
 625                                         row.addClassName("Unread");
 626                                 }
 627
 628                         } else if (cmode == 0) {
 629
 630                                 row.removeClassName("Unread");
 631
 632                                 if (effect) {
 633                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 634                                                 afterFinish: toggleUnread_afh,
 635                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 636                                 }
 637
 638                         } else if (cmode == 1) {
 639                                 row.addClassName("Unread");
 640                         }
 641
 642                         if (cmode == undefined) cmode = 2;
 643
 644                         var query = "?op=rpc&method=catchupSelected" +
 645                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 646
 647 //                      notify_progress("Loading, please wait...");
 648
 649                         new Ajax.Request("backend.php", {
 650                                 parameters: query,
 651                                 onComplete: function(transport) {
 652                                         handle_rpc_json(transport);
 653                                 } });
 654
 655                 }
 656
 657         } catch (e) {
 658                 exception_error("toggleUnread", e);
 659         }
 660 }
 661
 662 function selectionRemoveLabel(id, ids) {
 663         try {
 664
 665                 if (!ids) ids = getSelectedArticleIds2();
 666
 667                 if (ids.length == 0) {
 668                         alert(__("No articles are selected."));
 669                         return;
 670                 }
 671
 672                 var query = "?op=rpc&method=removeFromLabel&ids=" +
 673                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 674
 675                 console.log(query);
 676
 677                 new Ajax.Request("backend.php", {
 678                         parameters: query,
 679                         onComplete: function(transport) {
 680                                 handle_rpc_json(transport);
 681                                 show_labels_in_headlines(transport);
 682                         } });
 683
 684         } catch (e) {
 685                 exception_error("selectionAssignLabel", e);
 686
 687         }
 688 }
 689
 690 function selectionAssignLabel(id, ids) {
 691         try {
 692
 693                 if (!ids) ids = getSelectedArticleIds2();
 694
 695                 if (ids.length == 0) {
 696                         alert(__("No articles are selected."));
 697                         return;
 698                 }
 699
 700                 var query = "?op=rpc&method=assignToLabel&ids=" +
 701                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 702
 703                 console.log(query);
 704
 705                 new Ajax.Request("backend.php", {
 706                         parameters: query,
 707                         onComplete: function(transport) {
 708                                 handle_rpc_json(transport);
 709                                 show_labels_in_headlines(transport);
 710                         } });
 711
 712         } catch (e) {
 713                 exception_error("selectionAssignLabel", e);
 714
 715         }
 716 }
 717
 718 function selectionToggleUnread(set_state, callback, no_error) {
 719         try {
 720                 var rows = getSelectedArticleIds2();
 721
 722                 if (rows.length == 0 && !no_error) {
 723                         alert(__("No articles are selected."));
 724                         return;
 725                 }
 726
 727                 for (var i = 0; i < rows.length; i++) {
 728                         var row = $("RROW-" + rows[i]);
 729                         if (row) {
 730                                 if (set_state == undefined) {
 731                                         if (row.hasClassName("Unread")) {
 732                                                 row.removeClassName("Unread");
 733                                         } else {
 734                                                 row.addClassName("Unread");
 735                                         }
 736                                 }
 737
 738                                 if (set_state == false) {
 739                                         row.removeClassName("Unread");
 740                                 }
 741
 742                                 if (set_state == true) {
 743                                         row.addClassName("Unread");
 744                                 }
 745                         }
 746                 }
 747
 748                 if (rows.length > 0) {
 749
 750                         var cmode = "";
 751
 752                         if (set_state == undefined) {
 753                                 cmode = "2";
 754                         } else if (set_state == true) {
 755                                 cmode = "1";
 756                         } else if (set_state == false) {
 757                                 cmode = "0";
 758                         }
 759
 760                         var query = "?op=rpc&method=catchupSelected" +
 761                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 762
 763                         notify_progress("Loading, please wait...");
 764
 765                         new Ajax.Request("backend.php", {
 766                                 parameters: query,
 767                                 onComplete: function(transport) {
 768                                         handle_rpc_json(transport);
 769                                         if (callback) callback(transport);
 770                                 } });
 771
 772                 }
 773
 774         } catch (e) {
 775                 exception_error("selectionToggleUnread", e);
 776         }
 777 }
 778
 779 function selectionToggleMarked() {
 780         try {
 781
 782                 var rows = getSelectedArticleIds2();
 783
 784                 if (rows.length == 0) {
 785                         alert(__("No articles are selected."));
 786                         return;
 787                 }
 788
 789                 for (var i = 0; i < rows.length; i++) {
 790                         toggleMark(rows[i], true, true);
 791                 }
 792
 793                 if (rows.length > 0) {
 794
 795                         var query = "?op=rpc&method=markSelected&ids=" +
 796                                 param_escape(rows.toString()) + "&cmode=2";
 797
 798                         new Ajax.Request("backend.php", {
 799                                 parameters: query,
 800                                 onComplete: function(transport) {
 801                                         handle_rpc_json(transport);
 802                                 } });
 803
 804                 }
 805
 806         } catch (e) {
 807                 exception_error("selectionToggleMarked", e);
 808         }
 809 }
 810
 811 function selectionTogglePublished() {
 812         try {
 813
 814                 var rows = getSelectedArticleIds2();
 815
 816                 if (rows.length == 0) {
 817                         alert(__("No articles are selected."));
 818                         return;
 819                 }
 820
 821                 for (var i = 0; i < rows.length; i++) {
 822                         togglePub(rows[i], true, true);
 823                 }
 824
 825                 if (rows.length > 0) {
 826
 827                         var query = "?op=rpc&method=publishSelected&ids=" +
 828                                 param_escape(rows.toString()) + "&cmode=2";
 829
 830                         new Ajax.Request("backend.php", {
 831                                 parameters: query,
 832                                 onComplete: function(transport) {
 833                                         handle_rpc_json(transport);
 834                                 } });
 835
 836                 }
 837
 838         } catch (e) {
 839                 exception_error("selectionToggleMarked", e);
 840         }
 841 }
 842
 843 function getSelectedArticleIds2() {
 844
 845         var rv = [];
 846
 847         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 848                 function(child) {
 849                         rv.push(child.id.replace("RROW-", ""));
 850                 });
 851
 852         return rv;
 853 }
 854
 855 function getLoadedArticleIds() {
 856         var rv = [];
 857
 858         var children = $$("#headlines-frame > div[id*=RROW-]");
 859
 860         children.each(function(child) {
 861                         rv.push(child.id.replace("RROW-", ""));
 862                 });
 863
 864         return rv;
 865
 866 }
 867
 868 // mode = all,none,unread,invert,marked,published
 869 function selectArticles(mode) {
 870         try {
 871
 872                 var children = $$("#headlines-frame > div[id*=RROW]");
 873
 874                 children.each(function(child) {
 875                         var id = child.id.replace("RROW-", "");
 876                         var cb = dijit.byId("RCHK-" + id);
 877
 878                         if (mode == "all") {
 879                                 child.addClassName("Selected");
 880                                 if (cb) cb.attr("checked", true);
 881                         } else if (mode == "unread") {
 882                                 if (child.hasClassName("Unread")) {
 883                                         child.addClassName("Selected");
 884                                         if (cb) cb.attr("checked", true);
 885                                 } else {
 886                                         child.removeClassName("Selected");
 887                                         if (cb) cb.attr("checked", false);
 888                                 }
 889                         } else if (mode == "marked") {
 890                                 var img = $("FMPIC-" + child.id.replace("RROW-", ""));
 891
 892                                 if (img && img.src.match("mark_set")) {
 893                                         child.addClassName("Selected");
 894                                         if (cb) cb.attr("checked", true);
 895                                 } else {
 896                                         child.removeClassName("Selected");
 897                                         if (cb) cb.attr("checked", false);
 898                                 }
 899                         } else if (mode == "published") {
 900                                 var img = $("FPPIC-" + child.id.replace("RROW-", ""));
 901
 902                                 if (img && img.src.match("pub_set")) {
 903                                         child.addClassName("Selected");
 904                                         if (cb) cb.attr("checked", true);
 905                                 } else {
 906                                         child.removeClassName("Selected");
 907                                         if (cb) cb.attr("checked", false);
 908                                 }
 909
 910                         } else if (mode == "invert") {
 911                                 if (child.hasClassName("Selected")) {
 912                                         child.removeClassName("Selected");
 913                                         if (cb) cb.attr("checked", false);
 914                                 } else {
 915                                         child.addClassName("Selected");
 916                                         if (cb) cb.attr("checked", true);
 917                                 }
 918
 919                         } else {
 920                                 child.removeClassName("Selected");
 921                                 if (cb) cb.attr("checked", false);
 922                         }
 923                 });
 924
 925         } catch (e) {
 926                 exception_error("selectArticles", e);
 927         }
 928 }
 929
 930 function catchupPage() {
 931
 932         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 933
 934         var str = __("Mark all visible articles in %s as read?");
 935
 936         str = str.replace("%s", fn);
 937
 938         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 939                 return;
 940         }
 941
 942         selectArticles('all');
 943         selectionToggleUnread(false, 'viewCurrentFeed()', true);
 944         selectArticles('none');
 945 }
 946
 947 function deleteSelection() {
 948
 949         try {
 950
 951                 var rows = getSelectedArticleIds2();
 952
 953                 if (rows.length == 0) {
 954                         alert(__("No articles are selected."));
 955                         return;
 956                 }
 957
 958                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 959                 var str;
 960
 961                 if (getActiveFeedId() != 0) {
 962                         str = __("Delete %d selected articles in %s?");
 963                 } else {
 964                         str = __("Delete %d selected articles?");
 965                 }
 966
 967                 str = str.replace("%d", rows.length);
 968                 str = str.replace("%s", fn);
 969
 970                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 971                         return;
 972                 }
 973
 974                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
 975
 976                 console.log(query);
 977
 978                 new Ajax.Request("backend.php", {
 979                         parameters: query,
 980                         onComplete: function(transport) {
 981                                         handle_rpc_json(transport);
 982                                         viewCurrentFeed();
 983                                 } });
 984
 985         } catch (e) {
 986                 exception_error("deleteSelection", e);
 987         }
 988 }
 989
 990 function archiveSelection() {
 991
 992         try {
 993
 994                 var rows = getSelectedArticleIds2();
 995
 996                 if (rows.length == 0) {
 997                         alert(__("No articles are selected."));
 998                         return;
 999                 }
1000
1001                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1002                 var str;
1003                 var op;
1004
1005                 if (getActiveFeedId() != 0) {
1006                         str = __("Archive %d selected articles in %s?");
1007                         op = "archive";
1008                 } else {
1009                         str = __("Move %d archived articles back?");
1010                         op = "unarchive";
1011                 }
1012
1013                 str = str.replace("%d", rows.length);
1014                 str = str.replace("%s", fn);
1015
1016                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1017                         return;
1018                 }
1019
1020                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1021
1022                 console.log(query);
1023
1024                 for (var i = 0; i < rows.length; i++) {
1025                         cache_delete("article:" + rows[i]);
1026                 }
1027
1028                 new Ajax.Request("backend.php", {
1029                         parameters: query,
1030                         onComplete: function(transport) {
1031                                         handle_rpc_json(transport);
1032                                         viewCurrentFeed();
1033                                 } });
1034
1035         } catch (e) {
1036                 exception_error("archiveSelection", e);
1037         }
1038 }
1039
1040 function catchupSelection() {
1041
1042         try {
1043
1044                 var rows = getSelectedArticleIds2();
1045
1046                 if (rows.length == 0) {
1047                         alert(__("No articles are selected."));
1048                         return;
1049                 }
1050
1051                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1052
1053                 var str = __("Mark %d selected articles in %s as read?");
1054
1055                 str = str.replace("%d", rows.length);
1056                 str = str.replace("%s", fn);
1057
1058                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1059                         return;
1060                 }
1061
1062                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1063
1064         } catch (e) {
1065                 exception_error("catchupSelection", e);
1066         }
1067 }
1068
1069 function editArticleTags(id) {
1070                 var query = "backend.php?op=dlg&method=editArticleTags&param=" + param_escape(id);
1071
1072                 if (dijit.byId("editTagsDlg"))
1073                         dijit.byId("editTagsDlg").destroyRecursive();
1074
1075                 dialog = new dijit.Dialog({
1076                         id: "editTagsDlg",
1077                         title: __("Edit article Tags"),
1078                         style: "width: 600px",
1079                         execute: function() {
1080                                 if (this.validate()) {
1081                                         var query = dojo.objectToQuery(this.attr('value'));
1082
1083                                         notify_progress("Saving article tags...", true);
1084
1085                                         new Ajax.Request("backend.php", {
1086                                         parameters: query,
1087                                         onComplete: function(transport) {
1088                                                 notify('');
1089                                                 dialog.hide();
1090
1091                                                 var data = JSON.parse(transport.responseText);
1092
1093                                                 if (data) {
1094                                                         var tags_str = article.tags;
1095                                                         var id = tags_str.id;
1096
1097                                                         var tags = $("ATSTR-" + id);
1098                                                         var tooltip = dijit.byId("ATSTRTIP-" + id);
1099
1100                                                         if (tags) tags.innerHTML = tags_str.content;
1101                                                         if (tooltip) tooltip.attr('label', tags_str.content_full);
1102
1103                                                         cache_delete("article:" + id);
1104                                                 }
1105
1106                                         }});
1107                                 }
1108                         },
1109                         href: query,
1110                 });
1111
1112                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1113                 dojo.disconnect(tmph);
1114
1115                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1116                            "backend.php?op=rpc&method=completeTags",
1117                            { tokens: ',', paramName: "search" });
1118                 });
1119
1120                 dialog.show();
1121
1122 }
1123
1124 function cdmScrollToArticleId(id) {
1125         try {
1126                 var ctr = $("headlines-frame");
1127                 var e = $("RROW-" + id);
1128
1129                 if (!e || !ctr) return;
1130
1131                 ctr.scrollTop = e.offsetTop;
1132
1133         } catch (e) {
1134                 exception_error("cdmScrollToArticleId", e);
1135         }
1136 }
1137
1138 function getActiveArticleId() {
1139         return active_post_id;
1140 }
1141
1142 function postMouseIn(id) {
1143         post_under_pointer = id;
1144 }
1145
1146 function postMouseOut(id) {
1147         post_under_pointer = false;
1148 }
1149
1150 function headlines_scroll_handler(e) {
1151         try {
1152                 var hsp = $("headlines-spacer");
1153
1154                 if (!_infscroll_disable) {
1155                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1156                                         (e.scrollHeight != 0 &&
1157                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1158
1159                                 if (hsp)
1160                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1161                                                 __("Loading, please wait...");
1162
1163                                 loadMoreHeadlines();
1164                                 return;
1165
1166                         }
1167                 } else {
1168                         if (hsp) hsp.innerHTML = "";
1169                 }
1170
1171                 if (getInitParam("cdm_auto_catchup") == 1) {
1172
1173                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1174                                 function(child) {
1175                                         if ($("headlines-frame").scrollTop >
1176                                                         (child.offsetTop + child.offsetHeight/2)) {
1177
1178                                                 var id = child.id.replace("RROW-", "");
1179
1180                                                 if (catchup_id_batch.indexOf(id) == -1)
1181                                                         catchup_id_batch.push(id);
1182
1183                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1184                                         }
1185                                 });
1186
1187                         if (catchup_id_batch.length > 0) {
1188                                 window.clearTimeout(catchup_timeout_id);
1189
1190                                 if (!_infscroll_request_sent) {
1191                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1192                                                 2000);
1193                                 }
1194                         }
1195                 }
1196
1197         } catch (e) {
1198                 console.warn("headlines_scroll_handler: " + e);
1199         }
1200 }
1201
1202 function catchupBatchedArticles() {
1203         try {
1204                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1205
1206                         // make a copy of the array
1207                         var batch = catchup_id_batch.slice();
1208                         var query = "?op=rpc&method=catchupSelected" +
1209                                 "&cmode=0&ids=" + param_escape(batch.toString());
1210
1211                         console.log(query);
1212
1213                         new Ajax.Request("backend.php", {
1214                                 parameters: query,
1215                                 onComplete: function(transport) {
1216                                         handle_rpc_json(transport);
1217
1218                                         batch.each(function(id) {
1219                                                 var elem = $("RROW-" + id);
1220                                                 if (elem) elem.removeClassName("Unread");
1221                                                 catchup_id_batch.remove(id);
1222                                         });
1223
1224                                 } });
1225                 }
1226
1227         } catch (e) {
1228                 exception_error("catchupBatchedArticles", e);
1229         }
1230 }
1231
1232 function catchupRelativeToArticle(below, id) {
1233
1234         try {
1235
1236                 if (!id) id = getActiveArticleId();
1237
1238                 if (!id) {
1239                         alert(__("No article is selected."));
1240                         return;
1241                 }
1242
1243                 var visible_ids = getVisibleArticleIds();
1244
1245                 var ids_to_mark = new Array();
1246
1247                 if (!below) {
1248                         for (var i = 0; i < visible_ids.length; i++) {
1249                                 if (visible_ids[i] != id) {
1250                                         var e = $("RROW-" + visible_ids[i]);
1251
1252                                         if (e && e.hasClassName("Unread")) {
1253                                                 ids_to_mark.push(visible_ids[i]);
1254                                         }
1255                                 } else {
1256                                         break;
1257                                 }
1258                         }
1259                 } else {
1260                         for (var i = visible_ids.length-1; i >= 0; i--) {
1261                                 if (visible_ids[i] != id) {
1262                                         var e = $("RROW-" + visible_ids[i]);
1263
1264                                         if (e && e.hasClassName("Unread")) {
1265                                                 ids_to_mark.push(visible_ids[i]);
1266                                         }
1267                                 } else {
1268                                         break;
1269                                 }
1270                         }
1271                 }
1272
1273                 if (ids_to_mark.length == 0) {
1274                         alert(__("No articles found to mark"));
1275                 } else {
1276                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1277
1278                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1279
1280                                 for (var i = 0; i < ids_to_mark.length; i++) {
1281                                         var e = $("RROW-" + ids_to_mark[i]);
1282                                         e.removeClassName("Unread");
1283                                 }
1284
1285                                 var query = "?op=rpc&method=catchupSelected" +
1286                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1287
1288                                 new Ajax.Request("backend.php", {
1289                                         parameters: query,
1290                                         onComplete: function(transport) {
1291                                                 handle_rpc_json(transport);
1292                                         } });
1293
1294                         }
1295                 }
1296
1297         } catch (e) {
1298                 exception_error("catchupRelativeToArticle", e);
1299         }
1300 }
1301
1302 function cdmExpandArticle(id) {
1303         try {
1304
1305                 hideAuxDlg();
1306
1307                 var elem = $("CICD-" + active_post_id);
1308
1309                 if (id == active_post_id && Element.visible(elem))
1310                         return true;
1311
1312                 selectArticles("none");
1313
1314                 var old_offset = $("RROW-" + id).offsetTop;
1315
1316                 if (active_post_id && elem && !getInitParam("cdm_expanded")) {
1317                         Element.hide(elem);
1318                         Element.show("CEXC-" + active_post_id);
1319                 }
1320
1321                 active_post_id = id;
1322
1323                 elem = $("CICD-" + id);
1324
1325                 if (!Element.visible(elem)) {
1326                         Element.show(elem);
1327                         Element.hide("CEXC-" + id);
1328                 }
1329
1330                 var new_offset = $("RROW-" + id).offsetTop;
1331
1332                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1333
1334                 if ($("RROW-" + id).offsetTop != old_offset)
1335                         $("headlines-frame").scrollTop = new_offset;
1336
1337                 toggleUnread(id, 0, true);
1338                 toggleSelected(id);
1339
1340         } catch (e) {
1341                 exception_error("cdmExpandArticle", e);
1342         }
1343
1344         return false;
1345 }
1346
1347 function fixHeadlinesOrder(ids) {
1348         try {
1349                 for (var i = 0; i < ids.length; i++) {
1350                         var e = $("RROW-" + ids[i]);
1351
1352                         if (e) {
1353                                 if (i % 2 == 0) {
1354                                         e.removeClassName("even");
1355                                         e.addClassName("odd");
1356                                 } else {
1357                                         e.removeClassName("odd");
1358                                         e.addClassName("even");
1359                                 }
1360                         }
1361                 }
1362         } catch (e) {
1363                 exception_error("fixHeadlinesOrder", e);
1364         }
1365 }
1366
1367 function getArticleUnderPointer() {
1368         return post_under_pointer;
1369 }
1370
1371 function zoomToArticle(event, id) {
1372         try {
1373                 var cached_article = cache_get("article: " + id);
1374
1375                 if (dijit.byId("ATAB-" + id))
1376                         if (!event || !event.shiftKey)
1377                                 return dijit.byId("content-tabs").selectChild(dijit.byId("ATAB-" + id));
1378
1379                 if (dijit.byId("ATSTRTIP-" + id))
1380                         dijit.byId("ATSTRTIP-" + id).destroyRecursive();
1381
1382                 if (cached_article) {
1383                         //closeArticlePanel();
1384
1385                         var article_pane = new dijit.layout.ContentPane({
1386                                 title: __("Loading...") , content: cached_article,
1387                                 style: 'padding : 0px;',
1388                                 id: 'ATAB-' + id,
1389                                 closable: true });
1390
1391                         dijit.byId("content-tabs").addChild(article_pane);
1392
1393                         if (!event || !event.shiftKey)
1394                                 dijit.byId("content-tabs").selectChild(article_pane);
1395
1396                         if ($("PTITLE-" + id))
1397                                 article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1398
1399                 } else {
1400
1401                         var query = "?op=rpc&method=getArticles&ids=" + param_escape(id);
1402
1403                         notify_progress("Loading, please wait...", true);
1404
1405                         new Ajax.Request("backend.php", {
1406                                 parameters: query,
1407                                 onComplete: function(transport) {
1408                                         notify('');
1409
1410                                         var reply = JSON.parse(transport.responseText);
1411
1412                                         if (reply) {
1413                                                 //closeArticlePanel();
1414
1415                                                 var content = reply[0]['content'];
1416
1417                                                 var article_pane = new dijit.layout.ContentPane({
1418                                                         title: "article-" + id , content: content,
1419                                                         style: 'padding : 0px;',
1420                                                         id: 'ATAB-' + id,
1421                                                         closable: true });
1422
1423                                                 dijit.byId("content-tabs").addChild(article_pane);
1424
1425                                                 if (!event || !event.shiftKey)
1426                                                         dijit.byId("content-tabs").selectChild(article_pane);
1427
1428                                                 if ($("PTITLE-" + id))
1429                                                         article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1430                                         }
1431
1432                                 } });
1433                         }
1434
1435         } catch (e) {
1436                 exception_error("zoomToArticle", e);
1437         }
1438 }
1439
1440 function scrollArticle(offset) {
1441         try {
1442                 if (!isCdmMode()) {
1443                         var ci = $("content-insert");
1444                         if (ci) {
1445                                 ci.scrollTop += offset;
1446                         }
1447                 } else {
1448                         var hi = $("headlines-frame");
1449                         if (hi) {
1450                                 hi.scrollTop += offset;
1451                         }
1452
1453                 }
1454         } catch (e) {
1455                 exception_error("scrollArticle", e);
1456         }
1457 }
1458
1459 function show_labels_in_headlines(transport) {
1460         try {
1461                 var data = JSON.parse(transport.responseText);
1462
1463                 if (data) {
1464                         data['info-for-headlines'].each(function(elem) {
1465                                 var ctr = $("HLLCTR-" + elem.id);
1466
1467                                 if (ctr) ctr.innerHTML = elem.labels;
1468                         });
1469
1470                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
1471
1472                 }
1473         } catch (e) {
1474                 exception_error("show_labels_in_headlines", e);
1475         }
1476 }
1477
1478 /* function toggleHeadlineActions() {
1479         try {
1480                 var e = $("headlineActionsBody");
1481                 var p = $("headlineActionsDrop");
1482
1483                 if (!Element.visible(e)) {
1484                         Element.show(e);
1485                 } else {
1486                         Element.hide(e);
1487                 }
1488
1489                 e.scrollTop = 0;
1490                 e.style.left = (p.offsetLeft + 1) + "px";
1491                 e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
1492
1493         } catch (e) {
1494                 exception_error("toggleHeadlineActions", e);
1495         }
1496 } */
1497
1498 /* function publishWithNote(id, def_note) {
1499         try {
1500                 if (!def_note) def_note = '';
1501
1502                 var note = prompt(__("Please enter a note for this article:"), def_note);
1503
1504                 if (note != undefined) {
1505                         togglePub(id, false, false, note);
1506                 }
1507
1508         } catch (e) {
1509                 exception_error("publishWithNote", e);
1510         }
1511 } */
1512
1513 function dismissArticle(id) {
1514         try {
1515                 var elem = $("RROW-" + id);
1516
1517                 toggleUnread(id, 0, true);
1518
1519                 new Effect.Fade(elem, {duration : 0.5});
1520
1521                 active_post_id = false;
1522
1523         } catch (e) {
1524                 exception_error("dismissArticle", e);
1525         }
1526 }
1527
1528 function dismissSelectedArticles() {
1529         try {
1530
1531                 var ids = getVisibleArticleIds();
1532                 var tmp = [];
1533                 var sel = [];
1534
1535                 for (var i = 0; i < ids.length; i++) {
1536                         var elem = $("RROW-" + ids[i]);
1537
1538                         if (elem.className && elem.hasClassName("Selected") &&
1539                                         ids[i] != active_post_id) {
1540                                 new Effect.Fade(elem, {duration : 0.5});
1541                                 sel.push(ids[i]);
1542                         } else {
1543                                 tmp.push(ids[i]);
1544                         }
1545                 }
1546
1547                 if (sel.length > 0)
1548                         selectionToggleUnread(false);
1549
1550                 fixHeadlinesOrder(tmp);
1551
1552         } catch (e) {
1553                 exception_error("dismissSelectedArticles", e);
1554         }
1555 }
1556
1557 function dismissReadArticles() {
1558         try {
1559
1560                 var ids = getVisibleArticleIds();
1561                 var tmp = [];
1562
1563                 for (var i = 0; i < ids.length; i++) {
1564                         var elem = $("RROW-" + ids[i]);
1565
1566                         if (elem.className && !elem.hasClassName("Unread") &&
1567                                         !elem.hasClassName("Selected")) {
1568
1569                                 new Effect.Fade(elem, {duration : 0.5});
1570                         } else {
1571                                 tmp.push(ids[i]);
1572                         }
1573                 }
1574
1575                 fixHeadlinesOrder(tmp);
1576
1577         } catch (e) {
1578                 exception_error("dismissSelectedArticles", e);
1579         }
1580 }
1581
1582 function getVisibleArticleIds() {
1583         var ids = [];
1584
1585         try {
1586
1587                 getLoadedArticleIds().each(function(id) {
1588                         var elem = $("RROW-" + id);
1589                         if (elem && Element.visible(elem))
1590                                 ids.push(id);
1591                         });
1592
1593         } catch (e) {
1594                 exception_error("getVisibleArticleIds", e);
1595         }
1596
1597         return ids;
1598 }
1599
1600 function cdmClicked(event, id) {
1601         try {
1602                 //var shift_key = event.shiftKey;
1603
1604                 hideAuxDlg();
1605
1606                 if (!event.ctrlKey) {
1607
1608                         if (!getInitParam("cdm_expanded")) {
1609                                 return cdmExpandArticle(id);
1610                         } else {
1611
1612                                 selectArticles("none");
1613                                 toggleSelected(id);
1614
1615                                 var elem = $("RROW-" + id);
1616                                 var article_is_unread = elem.hasClassName("Unread");
1617
1618                                 if (elem)
1619                                         elem.removeClassName("Unread");
1620
1621                                 active_post_id = id;
1622
1623                                 if (article_is_unread) {
1624                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1625                                 }
1626
1627                                 var query = "?op=rpc&method=catchupSelected" +
1628                                         "&cmode=0&ids=" + param_escape(id);
1629
1630                                 new Ajax.Request("backend.php", {
1631                                         parameters: query,
1632                                         onComplete: function(transport) {
1633                                                 handle_rpc_json(transport);
1634                                         } });
1635
1636                                 return true;
1637                         }
1638
1639                 } else {
1640                         toggleSelected(id, true);
1641
1642                         var elem = $("RROW-" + id);
1643                         var article_is_unread = elem.hasClassName("Unread");
1644
1645                         if (article_is_unread) {
1646                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1647                         }
1648
1649                         toggleUnread(id, 0, false);
1650                         zoomToArticle(event, id);
1651                 }
1652
1653         } catch (e) {
1654                 exception_error("cdmClicked");
1655         }
1656
1657         return false;
1658 }
1659
1660 function postClicked(event, id) {
1661         try {
1662
1663                 if (!event.ctrlKey) {
1664                         return true;
1665                 } else {
1666                         postOpenInNewTab(event, id);
1667                         return false;
1668                 }
1669
1670         } catch (e) {
1671                 exception_error("postClicked");
1672         }
1673 }
1674
1675 function hlOpenInNewTab(event, id) {
1676         toggleUnread(id, 0, false);
1677         zoomToArticle(event, id);
1678 }
1679
1680 function postOpenInNewTab(event, id) {
1681         closeArticlePanel(id);
1682         zoomToArticle(event, id);
1683 }
1684
1685 function hlClicked(event, id) {
1686         try {
1687                 if (event.which == 2) {
1688                         view(id);
1689                         return true;
1690                 } else if (event.altKey) {
1691                         openArticleInNewWindow(id);
1692                 } else if (!event.ctrlKey) {
1693                         view(id);
1694                         return false;
1695                 } else {
1696                         toggleSelected(id);
1697                         toggleUnread(id, 0, false);
1698                         zoomToArticle(event, id);
1699                         return false;
1700                 }
1701
1702         } catch (e) {
1703                 exception_error("hlClicked");
1704         }
1705 }
1706
1707 function getFirstVisibleHeadlineId() {
1708         var rows = getVisibleArticleIds();
1709         return rows[0];
1710
1711 }
1712
1713 function getLastVisibleHeadlineId() {
1714         var rows = getVisibleArticleIds();
1715         return rows[rows.length-1];
1716 }
1717
1718 function openArticleInNewWindow(id) {
1719         toggleUnread(id, 0, false);
1720         window.open("backend.php?op=article&method=redirect&id=" + id);
1721 }
1722
1723 function isCdmMode() {
1724         return getInitParam("combined_display_mode");
1725 }
1726
1727 function markHeadline(id) {
1728         var row = $("RROW-" + id);
1729         if (row) {
1730                 var check = dijit.byId("RCHK-" + id);
1731
1732                 if (check) {
1733                         check.attr("checked", true);
1734                 }
1735
1736                 row.addClassName("Selected");
1737         }
1738 }
1739
1740 function getRelativePostIds(id, limit) {
1741
1742         var tmp = [];
1743
1744         try {
1745
1746                 if (!limit) limit = 6; //3
1747
1748                 var ids = getVisibleArticleIds();
1749
1750                 for (var i = 0; i < ids.length; i++) {
1751                         if (ids[i] == id) {
1752                                 for (var k = 1; k <= limit; k++) {
1753                                         //if (i > k-1) tmp.push(ids[i-k]);
1754                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1755                                 }
1756                                 break;
1757                         }
1758                 }
1759
1760         } catch (e) {
1761                 exception_error("getRelativePostIds", e);
1762         }
1763
1764         return tmp;
1765 }
1766
1767 function correctHeadlinesOffset(id) {
1768
1769         try {
1770
1771                 var container = $("headlines-frame");
1772                 var row = $("RROW-" + id);
1773
1774                 if (!container || !row) return;
1775
1776                 var viewport = container.offsetHeight;
1777
1778                 var rel_offset_top = row.offsetTop - container.scrollTop;
1779                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1780
1781                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1782                 //console.log("Vport: " + viewport);
1783
1784                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1785                         container.scrollTop = row.offsetTop;
1786                 } else if (rel_offset_bottom > viewport) {
1787
1788                         /* doesn't properly work with Opera in some cases because
1789                                 Opera fucks up element scrolling */
1790
1791                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1792                 }
1793
1794         } catch (e) {
1795                 exception_error("correctHeadlinesOffset", e);
1796         }
1797
1798 }
1799
1800 function headlineActionsChange(elem) {
1801         try {
1802                 eval(elem.value);
1803                 elem.attr('value', 'false');
1804         } catch (e) {
1805                 exception_error("headlineActionsChange", e);
1806         }
1807 }
1808
1809 function closeArticlePanel() {
1810
1811         var tabs = dijit.byId("content-tabs");
1812         var child = tabs.selectedChildWidget;
1813
1814         if (child && tabs.getIndexOfChild(child) > 0) {
1815                 tabs.removeChild(child);
1816                 child.destroy();
1817         } else {
1818                 if (dijit.byId("content-insert"))
1819                         dijit.byId("headlines-wrap-inner").removeChild(
1820                                 dijit.byId("content-insert"));
1821         }
1822 }
1823
1824 function initHeadlinesMenu() {
1825         try {
1826                 if (dijit.byId("headlinesMenu"))
1827                         dijit.byId("headlinesMenu").destroyRecursive();
1828
1829                 var ids = [];
1830
1831                 if (!isCdmMode()) {
1832                         nodes = $$("#headlines-frame > div[id*=RROW]");
1833                 } else {
1834                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1835                 }
1836
1837                 nodes.each(function(node) {
1838                         ids.push(node.id);
1839                 });
1840
1841                 var menu = new dijit.Menu({
1842                         id: "headlinesMenu",
1843                         targetNodeIds: ids,
1844                 });
1845
1846                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1847                         var callerNode = event.target, match = null, tries = 0;
1848
1849                         while (match == null && callerNode && tries <= 3) {
1850                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1851                                 callerNode = callerNode.parentNode;
1852                                 ++tries;
1853                         }
1854
1855                         if (match) this.callerRowId = parseInt(match[1]);
1856
1857                 });
1858
1859 /*              if (!isCdmMode())
1860                         menu.addChild(new dijit.MenuItem({
1861                                 label: __("View article"),
1862                                 onClick: function(event) {
1863                                         view(this.getParent().callerRowId);
1864                                 }})); */
1865
1866                 menu.addChild(new dijit.MenuItem({
1867                         label: __("Open original article"),
1868                         onClick: function(event) {
1869                                 openArticleInNewWindow(this.getParent().callerRowId);
1870                         }}));
1871
1872                 menu.addChild(new dijit.MenuItem({
1873                         label: __("View in a tt-rss tab"),
1874                         onClick: function(event) {
1875                                 hlOpenInNewTab(event, this.getParent().callerRowId);
1876                                 }}));
1877
1878                 menu.addChild(new dijit.MenuSeparator());
1879
1880                 menu.addChild(new dijit.MenuItem({
1881                         label: __("Mark above as read"),
1882                         onClick: function(event) {
1883                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1884                                 }}));
1885
1886                 menu.addChild(new dijit.MenuItem({
1887                         label: __("Mark below as read"),
1888                         onClick: function(event) {
1889                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1890                                 }}));
1891
1892
1893                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1894
1895                 if (labels) {
1896
1897                         menu.addChild(new dijit.MenuSeparator());
1898
1899                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1900                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1901
1902                         labels.each(function(label) {
1903                                 var id = label.id[0];
1904                                 var bare_id = id.substr(id.indexOf(":")+1);
1905                                 var name = label.name[0];
1906
1907                                 bare_id = -11-bare_id;
1908
1909                                 labelAddMenu.addChild(new dijit.MenuItem({
1910                                         label: name,
1911                                         labelId: bare_id,
1912                                         onClick: function(event) {
1913                                                 var ids = getSelectedArticleIds2();
1914                                                 // cast to string
1915                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1916
1917                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1918
1919                                                 selectionAssignLabel(this.labelId, ids);
1920                                 }}));
1921
1922                                 labelDelMenu.addChild(new dijit.MenuItem({
1923                                         label: name,
1924                                         labelId: bare_id,
1925                                         onClick: function(event) {
1926                                                 var ids = getSelectedArticleIds2();
1927                                                 // cast to string
1928                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1929
1930                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1931
1932                                                 selectionRemoveLabel(this.labelId, ids);
1933                                 }}));
1934
1935                         });
1936
1937                         menu.addChild(new dijit.PopupMenuItem({
1938                                 label: __("Assign label"),
1939                                 popup: labelAddMenu,
1940                         }));
1941
1942                         menu.addChild(new dijit.PopupMenuItem({
1943                                 label: __("Remove label"),
1944                                 popup: labelDelMenu,
1945                         }));
1946
1947                 }
1948
1949                 menu.startup();
1950
1951         } catch (e) {
1952                 exception_error("initHeadlinesMenu", e);
1953         }
1954 }
1955
1956
1957 function player(elem) {
1958         var aid = elem.getAttribute("audio-id");
1959         var status = elem.getAttribute("status");
1960
1961         var audio = $(aid);
1962
1963         if (audio) {
1964                 if (status == 0) {
1965                         audio.play();
1966                         status = 1;
1967                         elem.innerHTML = __("Playing...");
1968                         elem.title = __("Click to pause");
1969                         elem.addClassName("playing");
1970                 } else {
1971                         audio.pause();
1972                         status = 0;
1973                         elem.innerHTML = __("Play");
1974                         elem.title = __("Click to play");
1975                         elem.removeClassName("playing");
1976                 }
1977
1978                 elem.setAttribute("status", status);
1979         } else {
1980                 alert("Your browser doesn't seem to support HTML5 audio.");
1981         }
1982 }
1983
1984 function cache_set(id, obj) {
1985         //console.log("cache_set: " + id);
1986         if (has_storage)
1987                 try {
1988                         sessionStorage[id] = obj;
1989                 } catch (e) {
1990                         sessionStorage.clear();
1991                 }
1992 }
1993
1994 function cache_get(id) {
1995         if (has_storage)
1996                 return sessionStorage[id];
1997 }
1998
1999 function cache_clear() {
2000         if (has_storage)
2001                 sessionStorage.clear();
2002 }
2003
2004 function cache_delete(id) {
2005         if (has_storage)
2006                 sessionStorage.removeItem(id);
2007 }
2008
2009 function cache_headlines(feed, is_cat, toolbar_obj, content_obj) {
2010         if (toolbar_obj && content_obj) {
2011                 cache_set("feed:" + feed + ":" + is_cat,
2012                         JSON.stringify({toolbar: toolbar_obj, content: content_obj}));
2013         } else {
2014                 try {
2015                         obj =   cache_get("feed:" + feed + ":" + is_cat);
2016
2017                         if (obj) {
2018                                 obj = JSON.parse(obj);
2019
2020                                 if (toolbar_obj) obj.toolbar = toolbar_obj;
2021                                 if (content_obj) obj.content = content_obj;
2022
2023                                 cache_set("feed:" + feed + ":" + is_cat, JSON.stringify(obj));
2024                         }
2025
2026                 } catch (e) {
2027                         console.warn("cache_headlines failed: " + e);
2028                 }
2029         }
2030 }
2031
2032 function render_local_headlines(feed, is_cat, obj) {
2033         try {
2034
2035                 dijit.byId("headlines-toolbar").attr('content',
2036                         obj.toolbar);
2037
2038                 dijit.byId("headlines-frame").attr('content',
2039                         obj.content);
2040
2041                 dojo.parser.parse('headlines-toolbar');
2042
2043                 $("headlines-frame").scrollTop = 0;
2044                 selectArticles('none');
2045                 setActiveFeedId(feed, is_cat);
2046                 initHeadlinesMenu();
2047
2048                 dijit.getEnclosingWidget(
2049                         document.forms["main_toolbar_form"].update).attr('disabled',
2050                                 is_cat || feed <= 0);
2051
2052                 precache_headlines();
2053
2054         } catch (e) {
2055                 exception_error("render_local_headlines", e);
2056         }
2057 }
2058
2059 function precache_headlines_idle() {
2060         try {
2061                 if (!feed_precache_timeout_id) {
2062                         if (get_timestamp() - _viewfeed_last > 120) {
2063
2064                                 var feeds = dijit.byId("feedTree").getVisibleUnreadFeeds();
2065                                 var uncached = [];
2066
2067                                 feeds.each(function(item) {
2068                                         if (parseInt(item[0]) > 0 && !cache_get("feed:" + item[0] + ":" + item[1]))
2069                                                 uncached.push(item);
2070                                 });
2071
2072                                 if (uncached.length > 0) {
2073                                         var rf = uncached[Math.floor(Math.random()*uncached.length)];
2074                                         viewfeed(rf[0], '', rf[1], 0, true);
2075                                 }
2076                         }
2077                 }
2078                 precache_idle_timeout_id = setTimeout("precache_headlines_idle()", 1000*30);
2079
2080         } catch (e) {
2081                 exception_error("precache_headlines_idle", e);
2082         }
2083 }
2084
2085 function precache_headlines() {
2086         try {
2087
2088                 if (!feed_precache_timeout_id) {
2089                         feed_precache_timeout_id = window.setTimeout(function() {
2090                                 var nuf = getNextUnreadFeed(getActiveFeedId(), activeFeedIsCat());
2091                                 var nf = dijit.byId("feedTree").getNextFeed(getActiveFeedId(), activeFeedIsCat());
2092
2093                                 if (nuf && !cache_get("feed:" + nuf + ":" + activeFeedIsCat()))
2094                                         viewfeed(nuf, '', activeFeedIsCat(), 0, true);
2095
2096                                 if (nf && nf[0] != nuf && !cache_get("feed:" + nf[0] + ":" + nf[1]))
2097                                         viewfeed(nf[0], '', nf[1], 0, true);
2098
2099                                 window.setTimeout(function() {
2100                                         feed_precache_timeout_id = false;
2101                                         }, 3000);
2102                         }, 1000);
2103                 }
2104
2105         } catch (e) {
2106                 exception_error("precache_headlines", e);
2107         }
2108 }
2109
2110 function cancelSearch() {
2111         try {
2112                 _search_query = "";
2113                 viewCurrentFeed();
2114         } catch (e) {
2115                 exception_error("cancelSearch", e);
2116         }
2117 }
2118
2119 function setSelectionScore() {
2120         try {
2121                 var ids = getSelectedArticleIds2();
2122
2123                 if (ids.length > 0) {
2124                         console.log(ids);
2125
2126                         var score = prompt(__("Please enter new score for selected articles:"), score);
2127
2128                         if (score != undefined) {
2129                                 var query = "op=rpc&method=setScore&id=" + param_escape(ids.toString()) +
2130                                         "&score=" + param_escape(score);
2131
2132                                 new Ajax.Request("backend.php", {
2133                                         parameters: query,
2134                                         onComplete: function(transport) {
2135                                                 var reply = JSON.parse(transport.responseText);
2136                                                 if (reply) {
2137                                                         console.log(ids);
2138
2139                                                         ids.each(function(id) {
2140                                                                 var row = $("RROW-" + id);
2141
2142                                                                 if (row) {
2143                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2144
2145                                                                         if (pic) {
2146                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2147                                                                                         reply["score_pic"]);
2148                                                                                 pic.setAttribute("score", score);
2149                                                                         }
2150                                                                 }
2151                                                         });
2152                                                 }
2153                                         } });
2154                         }
2155
2156                 } else {
2157                         alert(__("No articles are selected."));
2158                 }
2159         } catch (e) {
2160                 exception_error("setSelectionScore", e);
2161         }
2162 }
2163
2164 function changeScore(id, pic) {
2165         try {
2166                 var score = pic.getAttribute("score");
2167
2168                 var new_score = prompt(__("Please enter new score for this article:"), score);
2169
2170                 if (new_score != undefined) {
2171
2172                         var query = "op=rpc&method=setScore&id=" + param_escape(id) +
2173                                 "&score=" + param_escape(new_score);
2174
2175                         new Ajax.Request("backend.php", {
2176                                 parameters: query,
2177                                 onComplete: function(transport) {
2178                                         var reply = JSON.parse(transport.responseText);
2179
2180                                         if (reply) {
2181                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2182                                                 pic.setAttribute("score", new_score);
2183                                         }
2184                                 } });
2185                 }
2186         } catch (e) {
2187                 exception_error("changeScore", e);
2188         }
2189 }