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