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