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 num_added = 0;
 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.addClassName('new');
 131                                                         row.style.display = 'none';
 132                                                         c.domNode.appendChild(row);
 133                                                         ++num_added;
 134                                                 } else if (loaded_article_ids.indexOf(row.id) == -1) {
 135                                                         row.style.display = 'none';
 136                                                         row.addClassName('new');
 137                                                         c.domNode.appendChild(row);
 138                                                         ++num_added;
 139                                                         loaded_article_ids.push(row.id);
 140                                                 } else {
 141                                                         row.parentNode.removeChild(row);
 142                                                 }
 143                                         });
 144
 145                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 146
 147                                         fixHeadlinesOrder(getLoadedArticleIds());
 148
 149                                         if (getInitParam("cdm_auto_catchup") == 1) {
 150                                                 c.domNode.appendChild(hsp);
 151                                         }
 152
 153                                         console.log("added " + num_added + " headlines");
 154
 155                                         if (num_added == 0)
 156                                                 _infscroll_disable = true;
 157
 158                                         console.log("restore selected ids: " + ids);
 159
 160                                         for (var i = 0; i < ids.length; i++) {
 161                                                 markHeadline(ids[i]);
 162                                         }
 163
 164                                         initHeadlinesMenu();
 165
 166                                         $$("#headlines-frame > div[class*=new]").each(
 167                                         function(child) {
 168                                                 child.removeClassName('new');
 169                                                 if (!Element.visible(child))
 170                                                         new Effect.Appear(child, { duration : 0.5 });
 171                                         });
 172
 173                                 } else {
 174                                         console.log("no new headlines received");
 175
 176                                         var hsp = $("headlines-spacer");
 177
 178                                         if (hsp) hsp.innerHTML = "";
 179                                 }
 180                         }
 181
 182                         if (headlines_count > 0)
 183                                 cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], $("headlines-frame").innerHTML);
 184
 185                         if (articles) {
 186                                 for (var i = 0; i < articles.length; i++) {
 187                                         var a_id = articles[i]['id'];
 188                                         cache_set("article:" + a_id, articles[i]['content']);
 189                                 }
 190                         } else {
 191                                 console.log("no cached articles received");
 192                         }
 193
 194                         // do not precache stuff after fresh feed
 195                         if (feed_id != -3)
 196                                 precache_headlines();
 197
 198                         if (counters)
 199                                 parse_counters(counters);
 200                         else
 201                                 request_counters();
 202
 203                 } else {
 204                         console.error("Invalid object received: " + transport.responseText);
 205                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 206                                         __('Could not update headlines (invalid object received - see error console for details)') +
 207                                         "</div>");
 208                 }
 209
 210                 _infscroll_request_sent = 0;
 211
 212                 notify("");
 213
 214         } catch (e) {
 215                 exception_error("headlines_callback2", e, transport);
 216         }
 217 }
 218
 219 function render_article(article) {
 220         try {
 221                 dijit.byId("headlines-wrap-inner").addChild(
 222                                 dijit.byId("content-insert"));
 223
 224                 var c = dijit.byId("content-insert");
 225
 226                 try {
 227                         c.domNode.scrollTop = 0;
 228                 } catch (e) { };
 229
 230                 c.attr('content', article);
 231
 232                 correctHeadlinesOffset(getActiveArticleId());
 233
 234                 try {
 235                         c.focus();
 236                 } catch (e) { };
 237
 238         } catch (e) {
 239                 exception_error("render_article", e);
 240         }
 241 }
 242
 243 function showArticleInHeadlines(id) {
 244
 245         try {
 246
 247                 selectArticles("none");
 248
 249                 var crow = $("RROW-" + id);
 250
 251                 if (!crow) return;
 252
 253                 var article_is_unread = crow.hasClassName("Unread");
 254
 255                 crow.removeClassName("Unread");
 256
 257                 selectArticles('none');
 258
 259                 var upd_img_pic = $("FUPDPIC-" + id);
 260
 261                 var view_mode = false;
 262
 263                 try {
 264                         view_mode = document.forms['main_toolbar_form'].view_mode;
 265                         view_mode = view_mode[view_mode.selectedIndex].value;
 266                 } catch (e) {
 267                         //
 268                 }
 269
 270                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 271                                         upd_img_pic.src.match("fresh_sign.png"))) {
 272
 273                         upd_img_pic.src = "images/blank_icon.gif";
 274
 275                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 276
 277                 } else if (article_is_unread && view_mode == "all_articles") {
 278                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 279                 }
 280
 281                 markHeadline(id);
 282
 283                 if (article_is_unread)
 284                         _force_scheduled_update = true;
 285
 286         } catch (e) {
 287                 exception_error("showArticleInHeadlines", e);
 288         }
 289 }
 290
 291 function article_callback2(transport, id) {
 292         try {
 293                 console.log("article_callback2 " + id);
 294
 295                 handle_rpc_json(transport);
 296
 297                 var reply = false;
 298
 299                 try {
 300                         reply = JSON.parse(transport.responseText);
 301                 } catch (e) {
 302                         console.error(e);
 303                 }
 304
 305                 if (reply) {
 306
 307                         var upic = $('FUPDPIC-' + id);
 308
 309                         if (upic) upic.src = 'images/blank_icon.gif';
 310
 311                         reply.each(function(article) {
 312                                 if (active_post_id == article['id']) {
 313                                         render_article(article['content']);
 314                                 }
 315                                 cids_requested.remove(article['id']);
 316
 317                                 cache_set("article:" + article['id'], article['content']);
 318                         });
 319
 320 //                      if (id != last_requested_article) {
 321 //                              console.log("requested article id is out of sequence, aborting");
 322 //                              return;
 323 //                      }
 324
 325                 } else {
 326                         console.error("Invalid object received: " + transport.responseText);
 327
 328                         render_article("<div class='whiteBox'>" +
 329                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 330                 }
 331
 332                 request_counters();
 333
 334                 headlines_scroll_handler($("headlines-frame"));
 335
 336 /*              try {
 337                         if (!_infscroll_disable &&
 338                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 339
 340                                 loadMoreHeadlines();
 341                         }
 342                 } catch (e) {
 343                         console.warn(e);
 344                 } */
 345
 346                 notify("");
 347         } catch (e) {
 348                 exception_error("article_callback2", e, transport);
 349         }
 350 }
 351
 352 function view(id) {
 353         try {
 354                 console.log("loading article: " + id);
 355
 356                 var cached_article = cache_get("article:" + id);
 357
 358                 console.log("cache check result: " + (cached_article != false));
 359
 360                 hideAuxDlg();
 361
 362                 var query = "?op=article&method=view&id=" + param_escape(id);
 363
 364                 var neighbor_ids = getRelativePostIds(id);
 365
 366                 /* only request uncached articles */
 367
 368                 var cids_to_request = [];
 369
 370                 for (var i = 0; i < neighbor_ids.length; i++) {
 371                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 372                                 if (!cache_get("article:" + neighbor_ids[i])) {
 373                                         cids_to_request.push(neighbor_ids[i]);
 374                                         cids_requested.push(neighbor_ids[i]);
 375                                 }
 376                 }
 377
 378                 console.log("additional ids: " + cids_to_request.toString());
 379
 380                 query = query + "&cids=" + cids_to_request.toString();
 381
 382                 var crow = $("RROW-" + id);
 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) {
 391
 392                         var upic = $('FUPDPIC-' + id);
 393
 394                         if (upic) {
 395                                 upic.src = getInitParam("sign_progress");
 396                         }
 397
 398                 } else if (cached_article && article_is_unread) {
 399
 400                         query = query + "&mode=prefetch";
 401
 402                         render_article(cached_article);
 403
 404                 } else if (cached_article) {
 405
 406                         query = query + "&mode=prefetch_old";
 407                         render_article(cached_article);
 408
 409                         // if we don't need to request any relative ids, we might as well skip
 410                         // the server roundtrip altogether
 411                         if (cids_to_request.length == 0) {
 412
 413 /*                              try {
 414                                         if (!_infscroll_disable &&
 415                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 416
 417                                                         loadMoreHeadlines();
 418                                         }
 419                                 } catch (e) {
 420                                         console.warn(e);
 421                                 } */
 422
 423                                 headlines_scroll_handler($("headlines-frame"));
 424
 425                                 return;
 426                         }
 427                 }
 428
 429                 last_requested_article = id;
 430
 431                 console.log(query);
 432
 433                 if (article_is_unread) {
 434                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 435                 }
 436
 437                 new Ajax.Request("backend.php", {
 438                         parameters: query,
 439                         onComplete: function(transport) {
 440                                 article_callback2(transport, id);
 441                         } });
 442
 443                 return false;
 444
 445         } catch (e) {
 446                 exception_error("view", e);
 447         }
 448 }
 449
 450 function toggleMark(id, client_only) {
 451         try {
 452                 var query = "?op=rpc&id=" + id + "&method=mark";
 453
 454                 var img = $("FMPIC-" + id);
 455
 456                 if (!img) return;
 457
 458                 if (img.src.match("mark_unset")) {
 459                         img.src = img.src.replace("mark_unset", "mark_set");
 460                         img.alt = __("Unstar article");
 461                         query = query + "&mark=1";
 462
 463                 } else {
 464                         img.src = img.src.replace("mark_set", "mark_unset");
 465                         img.alt = __("Star article");
 466                         query = query + "&mark=0";
 467                 }
 468
 469                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 470
 471                 if (!client_only) {
 472                         new Ajax.Request("backend.php", {
 473                                 parameters: query,
 474                                 onComplete: function(transport) {
 475                                         handle_rpc_json(transport);
 476                                 } });
 477                 }
 478
 479         } catch (e) {
 480                 exception_error("toggleMark", e);
 481         }
 482 }
 483
 484 function togglePub(id, client_only, no_effects, note) {
 485         try {
 486                 var query = "?op=rpc&id=" + id + "&method=publ";
 487
 488                 if (note != undefined) {
 489                         query = query + "&note=" + param_escape(note);
 490                 } else {
 491                         query = query + "&note=undefined";
 492                 }
 493
 494                 var img = $("FPPIC-" + id);
 495
 496                 if (!img) return;
 497
 498                 if (img.src.match("pub_unset") || note != undefined) {
 499                         img.src = img.src.replace("pub_unset", "pub_set");
 500                         img.alt = __("Unpublish article");
 501                         query = query + "&pub=1";
 502
 503                 } else {
 504                         img.src = img.src.replace("pub_set", "pub_unset");
 505                         img.alt = __("Publish article");
 506
 507                         query = query + "&pub=0";
 508                 }
 509
 510                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 511
 512                 if (!client_only) {
 513                         new Ajax.Request("backend.php", {
 514                                 parameters: query,
 515                                 onComplete: function(transport) {
 516                                         handle_rpc_json(transport);
 517                                 } });
 518                 }
 519
 520         } catch (e) {
 521                 exception_error("togglePub", e);
 522         }
 523 }
 524
 525 function moveToPost(mode) {
 526
 527         try {
 528
 529                 var rows = getVisibleArticleIds();
 530
 531                 var prev_id = false;
 532                 var next_id = false;
 533
 534                 if (!$('RROW-' + active_post_id)) {
 535                         active_post_id = false;
 536                 }
 537
 538                 if (active_post_id == false) {
 539                         next_id = rows[0];
 540                         prev_id = rows[rows.length-1]
 541                 } else {
 542                         for (var i = 0; i < rows.length; i++) {
 543                                 if (rows[i] == active_post_id) {
 544
 545                                         // Account for adjacent identical article ids.
 546                                         if (i > 0) prev_id = rows[i-1];
 547
 548                                         for (var j = i+1; j < rows.length; j++) {
 549                                                 if (rows[j] != active_post_id) {
 550                                                         next_id = rows[j];
 551                                                         break;
 552                                                 }
 553                                         }
 554                                         break;
 555                                 }
 556                         }
 557                 }
 558
 559                 if (mode == "next") {
 560                         if (next_id) {
 561                                 if (isCdmMode()) {
 562
 563                                         cdmExpandArticle(next_id);
 564                                         cdmScrollToArticleId(next_id);
 565
 566                                 } else {
 567                                         correctHeadlinesOffset(next_id);
 568                                         view(next_id, getActiveFeedId());
 569                                 }
 570                         }
 571                 }
 572
 573                 if (mode == "prev") {
 574                         if (prev_id) {
 575                                 if (isCdmMode()) {
 576                                         cdmExpandArticle(prev_id);
 577                                         cdmScrollToArticleId(prev_id);
 578                                 } else {
 579                                         correctHeadlinesOffset(prev_id);
 580                                         view(prev_id, getActiveFeedId());
 581                                 }
 582                         }
 583                 }
 584
 585         } catch (e) {
 586                 exception_error("moveToPost", e);
 587         }
 588 }
 589
 590 function toggleSelected(id, force_on) {
 591         try {
 592
 593                 var cb = $("RCHK-" + id);
 594                 var row = $("RROW-" + id);
 595
 596                 if (row) {
 597                         if (row.hasClassName('Selected') && !force_on) {
 598                                 row.removeClassName('Selected');
 599                                 if (cb) cb.checked = false;
 600                         } else {
 601                                 row.addClassName('Selected');
 602                                 if (cb) cb.checked = true;
 603                         }
 604                 }
 605         } catch (e) {
 606                 exception_error("toggleSelected", e);
 607         }
 608 }
 609
 610 function toggleUnread_afh(effect) {
 611         try {
 612
 613                 var elem = effect.element;
 614                 elem.style.backgroundColor = "";
 615
 616         } catch (e) {
 617                 exception_error("toggleUnread_afh", e);
 618         }
 619 }
 620
 621 function toggleUnread(id, cmode, effect) {
 622         try {
 623
 624                 var row = $("RROW-" + id);
 625                 if (row) {
 626                         if (cmode == undefined || cmode == 2) {
 627                                 if (row.hasClassName("Unread")) {
 628                                         row.removeClassName("Unread");
 629
 630                                         if (effect) {
 631                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 632                                                         afterFinish: toggleUnread_afh,
 633                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 634                                         }
 635
 636                                 } else {
 637                                         row.addClassName("Unread");
 638                                 }
 639
 640                         } else if (cmode == 0) {
 641
 642                                 row.removeClassName("Unread");
 643
 644                                 if (effect) {
 645                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 646                                                 afterFinish: toggleUnread_afh,
 647                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 648                                 }
 649
 650                         } else if (cmode == 1) {
 651                                 row.addClassName("Unread");
 652                         }
 653
 654                         if (cmode == undefined) cmode = 2;
 655
 656                         var query = "?op=rpc&method=catchupSelected" +
 657                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 658
 659 //                      notify_progress("Loading, please wait...");
 660
 661                         new Ajax.Request("backend.php", {
 662                                 parameters: query,
 663                                 onComplete: function(transport) {
 664                                         handle_rpc_json(transport);
 665                                 } });
 666
 667                 }
 668
 669         } catch (e) {
 670                 exception_error("toggleUnread", e);
 671         }
 672 }
 673
 674 function selectionRemoveLabel(id, ids) {
 675         try {
 676
 677                 if (!ids) ids = getSelectedArticleIds2();
 678
 679                 if (ids.length == 0) {
 680                         alert(__("No articles are selected."));
 681                         return;
 682                 }
 683
 684                 var query = "?op=rpc&method=removeFromLabel&ids=" +
 685                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 686
 687                 console.log(query);
 688
 689                 new Ajax.Request("backend.php", {
 690                         parameters: query,
 691                         onComplete: function(transport) {
 692                                 handle_rpc_json(transport);
 693                                 show_labels_in_headlines(transport);
 694                         } });
 695
 696         } catch (e) {
 697                 exception_error("selectionAssignLabel", e);
 698
 699         }
 700 }
 701
 702 function selectionAssignLabel(id, ids) {
 703         try {
 704
 705                 if (!ids) ids = getSelectedArticleIds2();
 706
 707                 if (ids.length == 0) {
 708                         alert(__("No articles are selected."));
 709                         return;
 710                 }
 711
 712                 var query = "?op=rpc&method=assignToLabel&ids=" +
 713                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 714
 715                 console.log(query);
 716
 717                 new Ajax.Request("backend.php", {
 718                         parameters: query,
 719                         onComplete: function(transport) {
 720                                 handle_rpc_json(transport);
 721                                 show_labels_in_headlines(transport);
 722                         } });
 723
 724         } catch (e) {
 725                 exception_error("selectionAssignLabel", e);
 726
 727         }
 728 }
 729
 730 function selectionToggleUnread(set_state, callback, no_error) {
 731         try {
 732                 var rows = getSelectedArticleIds2();
 733
 734                 if (rows.length == 0 && !no_error) {
 735                         alert(__("No articles are selected."));
 736                         return;
 737                 }
 738
 739                 for (var i = 0; i < rows.length; i++) {
 740                         var row = $("RROW-" + rows[i]);
 741                         if (row) {
 742                                 if (set_state == undefined) {
 743                                         if (row.hasClassName("Unread")) {
 744                                                 row.removeClassName("Unread");
 745                                         } else {
 746                                                 row.addClassName("Unread");
 747                                         }
 748                                 }
 749
 750                                 if (set_state == false) {
 751                                         row.removeClassName("Unread");
 752                                 }
 753
 754                                 if (set_state == true) {
 755                                         row.addClassName("Unread");
 756                                 }
 757                         }
 758                 }
 759
 760                 if (rows.length > 0) {
 761
 762                         var cmode = "";
 763
 764                         if (set_state == undefined) {
 765                                 cmode = "2";
 766                         } else if (set_state == true) {
 767                                 cmode = "1";
 768                         } else if (set_state == false) {
 769                                 cmode = "0";
 770                         }
 771
 772                         var query = "?op=rpc&method=catchupSelected" +
 773                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 774
 775                         notify_progress("Loading, please wait...");
 776
 777                         new Ajax.Request("backend.php", {
 778                                 parameters: query,
 779                                 onComplete: function(transport) {
 780                                         handle_rpc_json(transport);
 781                                         if (callback) callback(transport);
 782                                 } });
 783
 784                 }
 785
 786         } catch (e) {
 787                 exception_error("selectionToggleUnread", e);
 788         }
 789 }
 790
 791 function selectionToggleMarked() {
 792         try {
 793
 794                 var rows = getSelectedArticleIds2();
 795
 796                 if (rows.length == 0) {
 797                         alert(__("No articles are selected."));
 798                         return;
 799                 }
 800
 801                 for (var i = 0; i < rows.length; i++) {
 802                         toggleMark(rows[i], true, true);
 803                 }
 804
 805                 if (rows.length > 0) {
 806
 807                         var query = "?op=rpc&method=markSelected&ids=" +
 808                                 param_escape(rows.toString()) + "&cmode=2";
 809
 810                         new Ajax.Request("backend.php", {
 811                                 parameters: query,
 812                                 onComplete: function(transport) {
 813                                         handle_rpc_json(transport);
 814                                 } });
 815
 816                 }
 817
 818         } catch (e) {
 819                 exception_error("selectionToggleMarked", e);
 820         }
 821 }
 822
 823 function selectionTogglePublished() {
 824         try {
 825
 826                 var rows = getSelectedArticleIds2();
 827
 828                 if (rows.length == 0) {
 829                         alert(__("No articles are selected."));
 830                         return;
 831                 }
 832
 833                 for (var i = 0; i < rows.length; i++) {
 834                         togglePub(rows[i], true, true);
 835                 }
 836
 837                 if (rows.length > 0) {
 838
 839                         var query = "?op=rpc&method=publishSelected&ids=" +
 840                                 param_escape(rows.toString()) + "&cmode=2";
 841
 842                         new Ajax.Request("backend.php", {
 843                                 parameters: query,
 844                                 onComplete: function(transport) {
 845                                         handle_rpc_json(transport);
 846                                 } });
 847
 848                 }
 849
 850         } catch (e) {
 851                 exception_error("selectionToggleMarked", e);
 852         }
 853 }
 854
 855 function getSelectedArticleIds2() {
 856
 857         var rv = [];
 858
 859         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 860                 function(child) {
 861                         rv.push(child.id.replace("RROW-", ""));
 862                 });
 863
 864         return rv;
 865 }
 866
 867 function getLoadedArticleIds() {
 868         var rv = [];
 869
 870         var children = $$("#headlines-frame > div[id*=RROW-]");
 871
 872         children.each(function(child) {
 873                         rv.push(child.id.replace("RROW-", ""));
 874                 });
 875
 876         return rv;
 877
 878 }
 879
 880 // mode = all,none,unread,invert,marked,published
 881 function selectArticles(mode) {
 882         try {
 883
 884                 var children = $$("#headlines-frame > div[id*=RROW]");
 885
 886                 children.each(function(child) {
 887                         var id = child.id.replace("RROW-", "");
 888                         var cb = $("RCHK-" + id);
 889
 890                         if (mode == "all") {
 891                                 child.addClassName("Selected");
 892                                 cb.checked = true;
 893                         } else if (mode == "unread") {
 894                                 if (child.hasClassName("Unread")) {
 895                                         child.addClassName("Selected");
 896                                         cb.checked = true;
 897                                 } else {
 898                                         child.removeClassName("Selected");
 899                                         cb.checked = false;
 900                                 }
 901                         } else if (mode == "marked") {
 902                                 var img = $("FMPIC-" + child.id.replace("RROW-", ""));
 903
 904                                 if (img && img.src.match("mark_set")) {
 905                                         child.addClassName("Selected");
 906                                         cb.checked = true;
 907                                 } else {
 908                                         child.removeClassName("Selected");
 909                                         cb.checked = false;
 910                                 }
 911                         } else if (mode == "published") {
 912                                 var img = $("FPPIC-" + child.id.replace("RROW-", ""));
 913
 914                                 if (img && img.src.match("pub_set")) {
 915                                         child.addClassName("Selected");
 916                                         cb.checked = true;
 917                                 } else {
 918                                         child.removeClassName("Selected");
 919                                         cb.checked = false;
 920                                 }
 921
 922                         } else if (mode == "invert") {
 923                                 if (child.hasClassName("Selected")) {
 924                                         child.removeClassName("Selected");
 925                                         cb.checked = false;
 926                                 } else {
 927                                         child.addClassName("Selected");
 928                                         cb.checked = true;
 929                                 }
 930
 931                         } else {
 932                                 child.removeClassName("Selected");
 933                                 cb.checked = false;
 934                         }
 935                 });
 936
 937         } catch (e) {
 938                 exception_error("selectArticles", e);
 939         }
 940 }
 941
 942 function catchupPage() {
 943
 944         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 945
 946         var str = __("Mark all visible articles in %s as read?");
 947
 948         str = str.replace("%s", fn);
 949
 950         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 951                 return;
 952         }
 953
 954         selectArticles('all');
 955         selectionToggleUnread(false, 'viewCurrentFeed()', true);
 956         selectArticles('none');
 957 }
 958
 959 function deleteSelection() {
 960
 961         try {
 962
 963                 var rows = getSelectedArticleIds2();
 964
 965                 if (rows.length == 0) {
 966                         alert(__("No articles are selected."));
 967                         return;
 968                 }
 969
 970                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 971                 var str;
 972
 973                 if (getActiveFeedId() != 0) {
 974                         str = __("Delete %d selected articles in %s?");
 975                 } else {
 976                         str = __("Delete %d selected articles?");
 977                 }
 978
 979                 str = str.replace("%d", rows.length);
 980                 str = str.replace("%s", fn);
 981
 982                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 983                         return;
 984                 }
 985
 986                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
 987
 988                 console.log(query);
 989
 990                 new Ajax.Request("backend.php", {
 991                         parameters: query,
 992                         onComplete: function(transport) {
 993                                         handle_rpc_json(transport);
 994                                         viewCurrentFeed();
 995                                 } });
 996
 997         } catch (e) {
 998                 exception_error("deleteSelection", e);
 999         }
1000 }
1001
1002 function archiveSelection() {
1003
1004         try {
1005
1006                 var rows = getSelectedArticleIds2();
1007
1008                 if (rows.length == 0) {
1009                         alert(__("No articles are selected."));
1010                         return;
1011                 }
1012
1013                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1014                 var str;
1015                 var op;
1016
1017                 if (getActiveFeedId() != 0) {
1018                         str = __("Archive %d selected articles in %s?");
1019                         op = "archive";
1020                 } else {
1021                         str = __("Move %d archived articles back?");
1022                         op = "unarchive";
1023                 }
1024
1025                 str = str.replace("%d", rows.length);
1026                 str = str.replace("%s", fn);
1027
1028                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1029                         return;
1030                 }
1031
1032                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1033
1034                 console.log(query);
1035
1036                 for (var i = 0; i < rows.length; i++) {
1037                         cache_delete("article:" + rows[i]);
1038                 }
1039
1040                 new Ajax.Request("backend.php", {
1041                         parameters: query,
1042                         onComplete: function(transport) {
1043                                         handle_rpc_json(transport);
1044                                         viewCurrentFeed();
1045                                 } });
1046
1047         } catch (e) {
1048                 exception_error("archiveSelection", e);
1049         }
1050 }
1051
1052 function catchupSelection() {
1053
1054         try {
1055
1056                 var rows = getSelectedArticleIds2();
1057
1058                 if (rows.length == 0) {
1059                         alert(__("No articles are selected."));
1060                         return;
1061                 }
1062
1063                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1064
1065                 var str = __("Mark %d selected articles in %s as read?");
1066
1067                 str = str.replace("%d", rows.length);
1068                 str = str.replace("%s", fn);
1069
1070                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1071                         return;
1072                 }
1073
1074                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1075
1076         } catch (e) {
1077                 exception_error("catchupSelection", e);
1078         }
1079 }
1080
1081 function editArticleTags(id) {
1082                 var query = "backend.php?op=dlg&method=editArticleTags&param=" + param_escape(id);
1083
1084                 if (dijit.byId("editTagsDlg"))
1085                         dijit.byId("editTagsDlg").destroyRecursive();
1086
1087                 dialog = new dijit.Dialog({
1088                         id: "editTagsDlg",
1089                         title: __("Edit article Tags"),
1090                         style: "width: 600px",
1091                         execute: function() {
1092                                 if (this.validate()) {
1093                                         var query = dojo.objectToQuery(this.attr('value'));
1094
1095                                         notify_progress("Saving article tags...", true);
1096
1097                                         new Ajax.Request("backend.php", {
1098                                         parameters: query,
1099                                         onComplete: function(transport) {
1100                                                 notify('');
1101                                                 dialog.hide();
1102
1103                                                 var data = JSON.parse(transport.responseText);
1104
1105                                                 if (data) {
1106                                                         var tags_str = article.tags;
1107                                                         var id = tags_str.id;
1108
1109                                                         var tags = $("ATSTR-" + id);
1110                                                         var tooltip = dijit.byId("ATSTRTIP-" + id);
1111
1112                                                         if (tags) tags.innerHTML = tags_str.content;
1113                                                         if (tooltip) tooltip.attr('label', tags_str.content_full);
1114
1115                                                         cache_delete("article:" + id);
1116                                                 }
1117
1118                                         }});
1119                                 }
1120                         },
1121                         href: query,
1122                 });
1123
1124                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1125                 dojo.disconnect(tmph);
1126
1127                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1128                            "backend.php?op=rpc&method=completeTags",
1129                            { tokens: ',', paramName: "search" });
1130                 });
1131
1132                 dialog.show();
1133
1134 }
1135
1136 function cdmScrollToArticleId(id) {
1137         try {
1138                 var ctr = $("headlines-frame");
1139                 var e = $("RROW-" + id);
1140
1141                 if (!e || !ctr) return;
1142
1143                 ctr.scrollTop = e.offsetTop;
1144
1145         } catch (e) {
1146                 exception_error("cdmScrollToArticleId", e);
1147         }
1148 }
1149
1150 function getActiveArticleId() {
1151         return active_post_id;
1152 }
1153
1154 function postMouseIn(id) {
1155         post_under_pointer = id;
1156 }
1157
1158 function postMouseOut(id) {
1159         post_under_pointer = false;
1160 }
1161
1162 function headlines_scroll_handler(e) {
1163         try {
1164                 var hsp = $("headlines-spacer");
1165
1166                 if (!_infscroll_disable) {
1167                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1168                                         (e.scrollHeight != 0 &&
1169                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1170
1171                                 if (hsp)
1172                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1173                                                 __("Loading, please wait...");
1174
1175                                 loadMoreHeadlines();
1176                                 return;
1177
1178                         }
1179                 } else {
1180                         if (hsp) hsp.innerHTML = "";
1181                 }
1182
1183                 if (getInitParam("cdm_auto_catchup") == 1) {
1184
1185                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1186                                 function(child) {
1187                                         if ($("headlines-frame").scrollTop >
1188                                                         (child.offsetTop + child.offsetHeight/2)) {
1189
1190                                                 var id = child.id.replace("RROW-", "");
1191
1192                                                 if (catchup_id_batch.indexOf(id) == -1)
1193                                                         catchup_id_batch.push(id);
1194
1195                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1196                                         }
1197                                 });
1198
1199                         if (catchup_id_batch.length > 0) {
1200                                 window.clearTimeout(catchup_timeout_id);
1201
1202                                 if (!_infscroll_request_sent) {
1203                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1204                                                 2000);
1205                                 }
1206                         }
1207                 }
1208
1209         } catch (e) {
1210                 console.warn("headlines_scroll_handler: " + e);
1211         }
1212 }
1213
1214 function catchupBatchedArticles() {
1215         try {
1216                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1217
1218                         // make a copy of the array
1219                         var batch = catchup_id_batch.slice();
1220                         var query = "?op=rpc&method=catchupSelected" +
1221                                 "&cmode=0&ids=" + param_escape(batch.toString());
1222
1223                         console.log(query);
1224
1225                         new Ajax.Request("backend.php", {
1226                                 parameters: query,
1227                                 onComplete: function(transport) {
1228                                         handle_rpc_json(transport);
1229
1230                                         batch.each(function(id) {
1231                                                 var elem = $("RROW-" + id);
1232                                                 if (elem) elem.removeClassName("Unread");
1233                                                 catchup_id_batch.remove(id);
1234                                         });
1235
1236                                 } });
1237                 }
1238
1239         } catch (e) {
1240                 exception_error("catchupBatchedArticles", e);
1241         }
1242 }
1243
1244 function catchupRelativeToArticle(below, id) {
1245
1246         try {
1247
1248                 if (!id) id = getActiveArticleId();
1249
1250                 if (!id) {
1251                         alert(__("No article is selected."));
1252                         return;
1253                 }
1254
1255                 var visible_ids = getVisibleArticleIds();
1256
1257                 var ids_to_mark = new Array();
1258
1259                 if (!below) {
1260                         for (var i = 0; i < visible_ids.length; i++) {
1261                                 if (visible_ids[i] != id) {
1262                                         var e = $("RROW-" + visible_ids[i]);
1263
1264                                         if (e && e.hasClassName("Unread")) {
1265                                                 ids_to_mark.push(visible_ids[i]);
1266                                         }
1267                                 } else {
1268                                         break;
1269                                 }
1270                         }
1271                 } else {
1272                         for (var i = visible_ids.length-1; i >= 0; i--) {
1273                                 if (visible_ids[i] != id) {
1274                                         var e = $("RROW-" + visible_ids[i]);
1275
1276                                         if (e && e.hasClassName("Unread")) {
1277                                                 ids_to_mark.push(visible_ids[i]);
1278                                         }
1279                                 } else {
1280                                         break;
1281                                 }
1282                         }
1283                 }
1284
1285                 if (ids_to_mark.length == 0) {
1286                         alert(__("No articles found to mark"));
1287                 } else {
1288                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1289
1290                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1291
1292                                 for (var i = 0; i < ids_to_mark.length; i++) {
1293                                         var e = $("RROW-" + ids_to_mark[i]);
1294                                         e.removeClassName("Unread");
1295                                 }
1296
1297                                 var query = "?op=rpc&method=catchupSelected" +
1298                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1299
1300                                 new Ajax.Request("backend.php", {
1301                                         parameters: query,
1302                                         onComplete: function(transport) {
1303                                                 handle_rpc_json(transport);
1304                                         } });
1305
1306                         }
1307                 }
1308
1309         } catch (e) {
1310                 exception_error("catchupRelativeToArticle", e);
1311         }
1312 }
1313
1314 function cdmExpandArticle(id) {
1315         try {
1316
1317                 hideAuxDlg();
1318
1319                 var elem = $("CICD-" + active_post_id);
1320
1321                 var upd_img_pic = $("FUPDPIC-" + id);
1322
1323                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1324                                 upd_img_pic.src.match("fresh_sign.png"))) {
1325
1326                         upd_img_pic.src = "images/blank_icon.gif";
1327                 }
1328
1329                 if (id == active_post_id && Element.visible(elem))
1330                         return true;
1331
1332                 selectArticles("none");
1333
1334                 var old_offset = $("RROW-" + id).offsetTop;
1335
1336                 if (active_post_id && elem && !getInitParam("cdm_expanded")) {
1337                         Element.hide(elem);
1338                         Element.show("CEXC-" + active_post_id);
1339                 }
1340
1341                 active_post_id = id;
1342
1343                 elem = $("CICD-" + id);
1344
1345                 if (!Element.visible(elem)) {
1346                         Element.show(elem);
1347                         Element.hide("CEXC-" + id);
1348                 }
1349
1350                 var new_offset = $("RROW-" + id).offsetTop;
1351
1352                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1353
1354                 if ($("RROW-" + id).offsetTop != old_offset)
1355                         $("headlines-frame").scrollTop = new_offset;
1356
1357                 toggleUnread(id, 0, true);
1358                 toggleSelected(id);
1359
1360         } catch (e) {
1361                 exception_error("cdmExpandArticle", e);
1362         }
1363
1364         return false;
1365 }
1366
1367 function fixHeadlinesOrder(ids) {
1368         try {
1369                 for (var i = 0; i < ids.length; i++) {
1370                         var e = $("RROW-" + ids[i]);
1371
1372                         if (e) {
1373                                 if (i % 2 == 0) {
1374                                         e.removeClassName("even");
1375                                         e.addClassName("odd");
1376                                 } else {
1377                                         e.removeClassName("odd");
1378                                         e.addClassName("even");
1379                                 }
1380                         }
1381                 }
1382         } catch (e) {
1383                 exception_error("fixHeadlinesOrder", e);
1384         }
1385 }
1386
1387 function getArticleUnderPointer() {
1388         return post_under_pointer;
1389 }
1390
1391 function zoomToArticle(event, id) {
1392         try {
1393                 var cached_article = cache_get("article: " + id);
1394
1395                 if (dijit.byId("ATAB-" + id))
1396                         if (!event || !event.shiftKey)
1397                                 return dijit.byId("content-tabs").selectChild(dijit.byId("ATAB-" + id));
1398
1399                 if (dijit.byId("ATSTRTIP-" + id))
1400                         dijit.byId("ATSTRTIP-" + id).destroyRecursive();
1401
1402                 if (cached_article) {
1403                         //closeArticlePanel();
1404
1405                         var article_pane = new dijit.layout.ContentPane({
1406                                 title: __("Loading...") , content: cached_article,
1407                                 style: 'padding : 0px;',
1408                                 id: 'ATAB-' + id,
1409                                 closable: true });
1410
1411                         dijit.byId("content-tabs").addChild(article_pane);
1412
1413                         if (!event || !event.shiftKey)
1414                                 dijit.byId("content-tabs").selectChild(article_pane);
1415
1416                         if ($("PTITLE-" + id))
1417                                 article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1418
1419                 } else {
1420
1421                         var query = "?op=rpc&method=getArticles&ids=" + param_escape(id);
1422
1423                         notify_progress("Loading, please wait...", true);
1424
1425                         new Ajax.Request("backend.php", {
1426                                 parameters: query,
1427                                 onComplete: function(transport) {
1428                                         notify('');
1429
1430                                         var reply = JSON.parse(transport.responseText);
1431
1432                                         if (reply) {
1433                                                 //closeArticlePanel();
1434
1435                                                 var content = reply[0]['content'];
1436
1437                                                 var article_pane = new dijit.layout.ContentPane({
1438                                                         title: "article-" + id , content: content,
1439                                                         style: 'padding : 0px;',
1440                                                         id: 'ATAB-' + id,
1441                                                         closable: true });
1442
1443                                                 dijit.byId("content-tabs").addChild(article_pane);
1444
1445                                                 if (!event || !event.shiftKey)
1446                                                         dijit.byId("content-tabs").selectChild(article_pane);
1447
1448                                                 if ($("PTITLE-" + id))
1449                                                         article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1450                                         }
1451
1452                                 } });
1453                         }
1454
1455         } catch (e) {
1456                 exception_error("zoomToArticle", e);
1457         }
1458 }
1459
1460 function scrollArticle(offset) {
1461         try {
1462                 if (!isCdmMode()) {
1463                         var ci = $("content-insert");
1464                         if (ci) {
1465                                 ci.scrollTop += offset;
1466                         }
1467                 } else {
1468                         var hi = $("headlines-frame");
1469                         if (hi) {
1470                                 hi.scrollTop += offset;
1471                         }
1472
1473                 }
1474         } catch (e) {
1475                 exception_error("scrollArticle", e);
1476         }
1477 }
1478
1479 function show_labels_in_headlines(transport) {
1480         try {
1481                 var data = JSON.parse(transport.responseText);
1482
1483                 if (data) {
1484                         data['info-for-headlines'].each(function(elem) {
1485                                 var ctr = $("HLLCTR-" + elem.id);
1486
1487                                 if (ctr) ctr.innerHTML = elem.labels;
1488                         });
1489
1490                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
1491
1492                 }
1493         } catch (e) {
1494                 exception_error("show_labels_in_headlines", e);
1495         }
1496 }
1497
1498 /* function toggleHeadlineActions() {
1499         try {
1500                 var e = $("headlineActionsBody");
1501                 var p = $("headlineActionsDrop");
1502
1503                 if (!Element.visible(e)) {
1504                         Element.show(e);
1505                 } else {
1506                         Element.hide(e);
1507                 }
1508
1509                 e.scrollTop = 0;
1510                 e.style.left = (p.offsetLeft + 1) + "px";
1511                 e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
1512
1513         } catch (e) {
1514                 exception_error("toggleHeadlineActions", e);
1515         }
1516 } */
1517
1518 /* function publishWithNote(id, def_note) {
1519         try {
1520                 if (!def_note) def_note = '';
1521
1522                 var note = prompt(__("Please enter a note for this article:"), def_note);
1523
1524                 if (note != undefined) {
1525                         togglePub(id, false, false, note);
1526                 }
1527
1528         } catch (e) {
1529                 exception_error("publishWithNote", e);
1530         }
1531 } */
1532
1533 function dismissArticle(id) {
1534         try {
1535                 var elem = $("RROW-" + id);
1536
1537                 toggleUnread(id, 0, true);
1538
1539                 new Effect.Fade(elem, {duration : 0.5});
1540
1541                 active_post_id = false;
1542
1543         } catch (e) {
1544                 exception_error("dismissArticle", e);
1545         }
1546 }
1547
1548 function dismissSelectedArticles() {
1549         try {
1550
1551                 var ids = getVisibleArticleIds();
1552                 var tmp = [];
1553                 var sel = [];
1554
1555                 for (var i = 0; i < ids.length; i++) {
1556                         var elem = $("RROW-" + ids[i]);
1557
1558                         if (elem.className && elem.hasClassName("Selected") &&
1559                                         ids[i] != active_post_id) {
1560                                 new Effect.Fade(elem, {duration : 0.5});
1561                                 sel.push(ids[i]);
1562                         } else {
1563                                 tmp.push(ids[i]);
1564                         }
1565                 }
1566
1567                 if (sel.length > 0)
1568                         selectionToggleUnread(false);
1569
1570                 fixHeadlinesOrder(tmp);
1571
1572         } catch (e) {
1573                 exception_error("dismissSelectedArticles", e);
1574         }
1575 }
1576
1577 function dismissReadArticles() {
1578         try {
1579
1580                 var ids = getVisibleArticleIds();
1581                 var tmp = [];
1582
1583                 for (var i = 0; i < ids.length; i++) {
1584                         var elem = $("RROW-" + ids[i]);
1585
1586                         if (elem.className && !elem.hasClassName("Unread") &&
1587                                         !elem.hasClassName("Selected")) {
1588
1589                                 new Effect.Fade(elem, {duration : 0.5});
1590                         } else {
1591                                 tmp.push(ids[i]);
1592                         }
1593                 }
1594
1595                 fixHeadlinesOrder(tmp);
1596
1597         } catch (e) {
1598                 exception_error("dismissSelectedArticles", e);
1599         }
1600 }
1601
1602 function getVisibleArticleIds() {
1603         var ids = [];
1604
1605         try {
1606
1607                 getLoadedArticleIds().each(function(id) {
1608                         var elem = $("RROW-" + id);
1609                         if (elem && Element.visible(elem))
1610                                 ids.push(id);
1611                         });
1612
1613         } catch (e) {
1614                 exception_error("getVisibleArticleIds", e);
1615         }
1616
1617         return ids;
1618 }
1619
1620 function cdmClicked(event, id) {
1621         try {
1622                 //var shift_key = event.shiftKey;
1623
1624                 hideAuxDlg();
1625
1626                 if (!event.ctrlKey) {
1627
1628                         if (!getInitParam("cdm_expanded")) {
1629                                 return cdmExpandArticle(id);
1630                         } else {
1631
1632                                 selectArticles("none");
1633                                 toggleSelected(id);
1634
1635                                 var elem = $("RROW-" + id);
1636                                 var article_is_unread = elem.hasClassName("Unread");
1637
1638                                 if (elem)
1639                                         elem.removeClassName("Unread");
1640
1641                                 var upd_img_pic = $("FUPDPIC-" + id);
1642
1643                                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1644                                                 upd_img_pic.src.match("fresh_sign.png"))) {
1645
1646                                         upd_img_pic.src = "images/blank_icon.gif";
1647                                 }
1648
1649                                 active_post_id = id;
1650
1651                                 if (article_is_unread) {
1652                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1653                                 }
1654
1655                                 var query = "?op=rpc&method=catchupSelected" +
1656                                         "&cmode=0&ids=" + param_escape(id);
1657
1658                                 new Ajax.Request("backend.php", {
1659                                         parameters: query,
1660                                         onComplete: function(transport) {
1661                                                 handle_rpc_json(transport);
1662                                         } });
1663
1664                                 return true;
1665                         }
1666
1667                 } else {
1668                         toggleSelected(id, true);
1669
1670                         var elem = $("RROW-" + id);
1671                         var article_is_unread = elem.hasClassName("Unread");
1672
1673                         if (article_is_unread) {
1674                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1675                         }
1676
1677                         toggleUnread(id, 0, false);
1678                         zoomToArticle(event, id);
1679                 }
1680
1681         } catch (e) {
1682                 exception_error("cdmClicked");
1683         }
1684
1685         return false;
1686 }
1687
1688 function postClicked(event, id) {
1689         try {
1690
1691                 if (!event.ctrlKey) {
1692                         return true;
1693                 } else {
1694                         postOpenInNewTab(event, id);
1695                         return false;
1696                 }
1697
1698         } catch (e) {
1699                 exception_error("postClicked");
1700         }
1701 }
1702
1703 function hlOpenInNewTab(event, id) {
1704         toggleUnread(id, 0, false);
1705         zoomToArticle(event, id);
1706 }
1707
1708 function postOpenInNewTab(event, id) {
1709         closeArticlePanel(id);
1710         zoomToArticle(event, id);
1711 }
1712
1713 function hlClicked(event, id) {
1714         try {
1715                 if (event.which == 2) {
1716                         view(id);
1717                         return true;
1718                 } else if (event.altKey) {
1719                         openArticleInNewWindow(id);
1720                 } else if (!event.ctrlKey) {
1721                         view(id);
1722                         return false;
1723                 } else {
1724                         toggleSelected(id);
1725                         toggleUnread(id, 0, false);
1726                         zoomToArticle(event, id);
1727                         return false;
1728                 }
1729
1730         } catch (e) {
1731                 exception_error("hlClicked");
1732         }
1733 }
1734
1735 function getFirstVisibleHeadlineId() {
1736         var rows = getVisibleArticleIds();
1737         return rows[0];
1738
1739 }
1740
1741 function getLastVisibleHeadlineId() {
1742         var rows = getVisibleArticleIds();
1743         return rows[rows.length-1];
1744 }
1745
1746 function openArticleInNewWindow(id) {
1747         toggleUnread(id, 0, false);
1748         window.open("backend.php?op=article&method=redirect&id=" + id);
1749 }
1750
1751 function isCdmMode() {
1752         return getInitParam("combined_display_mode");
1753 }
1754
1755 function markHeadline(id) {
1756         var row = $("RROW-" + id);
1757         if (row) {
1758                 var check = $("RCHK-" + id);
1759
1760                 if (check) {
1761                         check.checked = true;
1762                 }
1763
1764                 row.addClassName("Selected");
1765         }
1766 }
1767
1768 function getRelativePostIds(id, limit) {
1769
1770         var tmp = [];
1771
1772         try {
1773
1774                 if (!limit) limit = 6; //3
1775
1776                 var ids = getVisibleArticleIds();
1777
1778                 for (var i = 0; i < ids.length; i++) {
1779                         if (ids[i] == id) {
1780                                 for (var k = 1; k <= limit; k++) {
1781                                         //if (i > k-1) tmp.push(ids[i-k]);
1782                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1783                                 }
1784                                 break;
1785                         }
1786                 }
1787
1788         } catch (e) {
1789                 exception_error("getRelativePostIds", e);
1790         }
1791
1792         return tmp;
1793 }
1794
1795 function correctHeadlinesOffset(id) {
1796
1797         try {
1798
1799                 var container = $("headlines-frame");
1800                 var row = $("RROW-" + id);
1801
1802                 if (!container || !row) return;
1803
1804                 var viewport = container.offsetHeight;
1805
1806                 var rel_offset_top = row.offsetTop - container.scrollTop;
1807                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1808
1809                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1810                 //console.log("Vport: " + viewport);
1811
1812                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1813                         container.scrollTop = row.offsetTop;
1814                 } else if (rel_offset_bottom > viewport) {
1815
1816                         /* doesn't properly work with Opera in some cases because
1817                                 Opera fucks up element scrolling */
1818
1819                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1820                 }
1821
1822         } catch (e) {
1823                 exception_error("correctHeadlinesOffset", e);
1824         }
1825
1826 }
1827
1828 function headlineActionsChange(elem) {
1829         try {
1830                 eval(elem.value);
1831                 elem.attr('value', 'false');
1832         } catch (e) {
1833                 exception_error("headlineActionsChange", e);
1834         }
1835 }
1836
1837 function closeArticlePanel() {
1838
1839         var tabs = dijit.byId("content-tabs");
1840         var child = tabs.selectedChildWidget;
1841
1842         if (child && tabs.getIndexOfChild(child) > 0) {
1843                 tabs.removeChild(child);
1844                 child.destroy();
1845         } else {
1846                 if (dijit.byId("content-insert"))
1847                         dijit.byId("headlines-wrap-inner").removeChild(
1848                                 dijit.byId("content-insert"));
1849         }
1850 }
1851
1852 function initHeadlinesMenu() {
1853         try {
1854                 if (dijit.byId("headlinesMenu"))
1855                         dijit.byId("headlinesMenu").destroyRecursive();
1856
1857                 var ids = [];
1858
1859                 if (!isCdmMode()) {
1860                         nodes = $$("#headlines-frame > div[id*=RROW]");
1861                 } else {
1862                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1863                 }
1864
1865                 nodes.each(function(node) {
1866                         ids.push(node.id);
1867                 });
1868
1869                 var menu = new dijit.Menu({
1870                         id: "headlinesMenu",
1871                         targetNodeIds: ids,
1872                 });
1873
1874                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1875                         var callerNode = event.target, match = null, tries = 0;
1876
1877                         while (match == null && callerNode && tries <= 3) {
1878                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1879                                 callerNode = callerNode.parentNode;
1880                                 ++tries;
1881                         }
1882
1883                         if (match) this.callerRowId = parseInt(match[1]);
1884
1885                 });
1886
1887 /*              if (!isCdmMode())
1888                         menu.addChild(new dijit.MenuItem({
1889                                 label: __("View article"),
1890                                 onClick: function(event) {
1891                                         view(this.getParent().callerRowId);
1892                                 }})); */
1893
1894                 menu.addChild(new dijit.MenuItem({
1895                         label: __("Open original article"),
1896                         onClick: function(event) {
1897                                 openArticleInNewWindow(this.getParent().callerRowId);
1898                         }}));
1899
1900                 menu.addChild(new dijit.MenuItem({
1901                         label: __("View in a tt-rss tab"),
1902                         onClick: function(event) {
1903                                 hlOpenInNewTab(event, this.getParent().callerRowId);
1904                                 }}));
1905
1906                 menu.addChild(new dijit.MenuSeparator());
1907
1908                 menu.addChild(new dijit.MenuItem({
1909                         label: __("Mark above as read"),
1910                         onClick: function(event) {
1911                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1912                                 }}));
1913
1914                 menu.addChild(new dijit.MenuItem({
1915                         label: __("Mark below as read"),
1916                         onClick: function(event) {
1917                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1918                                 }}));
1919
1920
1921                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1922
1923                 if (labels) {
1924
1925                         menu.addChild(new dijit.MenuSeparator());
1926
1927                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1928                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1929
1930                         labels.each(function(label) {
1931                                 var id = label.id[0];
1932                                 var bare_id = id.substr(id.indexOf(":")+1);
1933                                 var name = label.name[0];
1934
1935                                 bare_id = -11-bare_id;
1936
1937                                 labelAddMenu.addChild(new dijit.MenuItem({
1938                                         label: name,
1939                                         labelId: bare_id,
1940                                         onClick: function(event) {
1941                                                 var ids = getSelectedArticleIds2();
1942                                                 // cast to string
1943                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1944
1945                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1946
1947                                                 selectionAssignLabel(this.labelId, ids);
1948                                 }}));
1949
1950                                 labelDelMenu.addChild(new dijit.MenuItem({
1951                                         label: name,
1952                                         labelId: bare_id,
1953                                         onClick: function(event) {
1954                                                 var ids = getSelectedArticleIds2();
1955                                                 // cast to string
1956                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1957
1958                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1959
1960                                                 selectionRemoveLabel(this.labelId, ids);
1961                                 }}));
1962
1963                         });
1964
1965                         menu.addChild(new dijit.PopupMenuItem({
1966                                 label: __("Assign label"),
1967                                 popup: labelAddMenu,
1968                         }));
1969
1970                         menu.addChild(new dijit.PopupMenuItem({
1971                                 label: __("Remove label"),
1972                                 popup: labelDelMenu,
1973                         }));
1974
1975                 }
1976
1977                 menu.startup();
1978
1979         } catch (e) {
1980                 exception_error("initHeadlinesMenu", e);
1981         }
1982 }
1983
1984
1985 function player(elem) {
1986         var aid = elem.getAttribute("audio-id");
1987         var status = elem.getAttribute("status");
1988
1989         var audio = $(aid);
1990
1991         if (audio) {
1992                 if (status == 0) {
1993                         audio.play();
1994                         status = 1;
1995                         elem.innerHTML = __("Playing...");
1996                         elem.title = __("Click to pause");
1997                         elem.addClassName("playing");
1998                 } else {
1999                         audio.pause();
2000                         status = 0;
2001                         elem.innerHTML = __("Play");
2002                         elem.title = __("Click to play");
2003                         elem.removeClassName("playing");
2004                 }
2005
2006                 elem.setAttribute("status", status);
2007         } else {
2008                 alert("Your browser doesn't seem to support HTML5 audio.");
2009         }
2010 }
2011
2012 function cache_set(id, obj) {
2013         //console.log("cache_set: " + id);
2014         if (has_storage)
2015                 try {
2016                         sessionStorage[id] = obj;
2017                 } catch (e) {
2018                         sessionStorage.clear();
2019                 }
2020 }
2021
2022 function cache_get(id) {
2023         if (has_storage)
2024                 return sessionStorage[id];
2025 }
2026
2027 function cache_clear() {
2028         if (has_storage)
2029                 sessionStorage.clear();
2030 }
2031
2032 function cache_delete(id) {
2033         if (has_storage)
2034                 sessionStorage.removeItem(id);
2035 }
2036
2037 function cache_headlines(feed, is_cat, toolbar_obj, content_obj) {
2038         if (toolbar_obj && content_obj) {
2039                 cache_set("feed:" + feed + ":" + is_cat,
2040                         JSON.stringify({toolbar: toolbar_obj, content: content_obj}));
2041         } else {
2042                 try {
2043                         obj =   cache_get("feed:" + feed + ":" + is_cat);
2044
2045                         if (obj) {
2046                                 obj = JSON.parse(obj);
2047
2048                                 if (toolbar_obj) obj.toolbar = toolbar_obj;
2049                                 if (content_obj) obj.content = content_obj;
2050
2051                                 cache_set("feed:" + feed + ":" + is_cat, JSON.stringify(obj));
2052                         }
2053
2054                 } catch (e) {
2055                         console.warn("cache_headlines failed: " + e);
2056                 }
2057         }
2058 }
2059
2060 function render_local_headlines(feed, is_cat, obj) {
2061         try {
2062
2063                 dijit.byId("headlines-toolbar").attr('content',
2064                         obj.toolbar);
2065
2066                 dijit.byId("headlines-frame").attr('content',
2067                         obj.content);
2068
2069                 dojo.parser.parse('headlines-toolbar');
2070
2071                 $("headlines-frame").scrollTop = 0;
2072                 selectArticles('none');
2073                 setActiveFeedId(feed, is_cat);
2074                 initHeadlinesMenu();
2075
2076                 dijit.getEnclosingWidget(
2077                         document.forms["main_toolbar_form"].update).attr('disabled',
2078                                 is_cat || feed <= 0);
2079
2080                 precache_headlines();
2081
2082         } catch (e) {
2083                 exception_error("render_local_headlines", e);
2084         }
2085 }
2086
2087 function precache_headlines_idle() {
2088         try {
2089                 if (!feed_precache_timeout_id) {
2090                         if (get_timestamp() - _viewfeed_last > 120) {
2091
2092                                 var feeds = dijit.byId("feedTree").getVisibleUnreadFeeds();
2093                                 var uncached = [];
2094
2095                                 feeds.each(function(item) {
2096                                         if (parseInt(item[0]) > 0 && !cache_get("feed:" + item[0] + ":" + item[1]))
2097                                                 uncached.push(item);
2098                                 });
2099
2100                                 if (uncached.length > 0) {
2101                                         var rf = uncached[Math.floor(Math.random()*uncached.length)];
2102                                         viewfeed(rf[0], '', rf[1], 0, true);
2103                                 }
2104                         }
2105                 }
2106                 precache_idle_timeout_id = setTimeout("precache_headlines_idle()", 1000*30);
2107
2108         } catch (e) {
2109                 exception_error("precache_headlines_idle", e);
2110         }
2111 }
2112
2113 function precache_headlines() {
2114         try {
2115
2116                 if (!feed_precache_timeout_id) {
2117                         feed_precache_timeout_id = window.setTimeout(function() {
2118                                 var nuf = getNextUnreadFeed(getActiveFeedId(), activeFeedIsCat());
2119                                 var nf = dijit.byId("feedTree").getNextFeed(getActiveFeedId(), activeFeedIsCat());
2120
2121                                 if (nuf && !cache_get("feed:" + nuf + ":" + activeFeedIsCat()))
2122                                         viewfeed(nuf, '', activeFeedIsCat(), 0, true);
2123
2124                                 if (nf && nf[0] != nuf && !cache_get("feed:" + nf[0] + ":" + nf[1]))
2125                                         viewfeed(nf[0], '', nf[1], 0, true);
2126
2127                                 window.setTimeout(function() {
2128                                         feed_precache_timeout_id = false;
2129                                         }, 3000);
2130                         }, 1000);
2131                 }
2132
2133         } catch (e) {
2134                 exception_error("precache_headlines", e);
2135         }
2136 }
2137
2138 function cancelSearch() {
2139         try {
2140                 _search_query = "";
2141                 viewCurrentFeed();
2142         } catch (e) {
2143                 exception_error("cancelSearch", e);
2144         }
2145 }
2146
2147 function setSelectionScore() {
2148         try {
2149                 var ids = getSelectedArticleIds2();
2150
2151                 if (ids.length > 0) {
2152                         console.log(ids);
2153
2154                         var score = prompt(__("Please enter new score for selected articles:"), score);
2155
2156                         if (score != undefined) {
2157                                 var query = "op=rpc&method=setScore&id=" + param_escape(ids.toString()) +
2158                                         "&score=" + param_escape(score);
2159
2160                                 new Ajax.Request("backend.php", {
2161                                         parameters: query,
2162                                         onComplete: function(transport) {
2163                                                 var reply = JSON.parse(transport.responseText);
2164                                                 if (reply) {
2165                                                         console.log(ids);
2166
2167                                                         ids.each(function(id) {
2168                                                                 var row = $("RROW-" + id);
2169
2170                                                                 if (row) {
2171                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2172
2173                                                                         if (pic) {
2174                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2175                                                                                         reply["score_pic"]);
2176                                                                                 pic.setAttribute("score", score);
2177                                                                         }
2178                                                                 }
2179                                                         });
2180                                                 }
2181                                         } });
2182                         }
2183
2184                 } else {
2185                         alert(__("No articles are selected."));
2186                 }
2187         } catch (e) {
2188                 exception_error("setSelectionScore", e);
2189         }
2190 }
2191
2192 function changeScore(id, pic) {
2193         try {
2194                 var score = pic.getAttribute("score");
2195
2196                 var new_score = prompt(__("Please enter new score for this article:"), score);
2197
2198                 if (new_score != undefined) {
2199
2200                         var query = "op=rpc&method=setScore&id=" + param_escape(id) +
2201                                 "&score=" + param_escape(new_score);
2202
2203                         new Ajax.Request("backend.php", {
2204                                 parameters: query,
2205                                 onComplete: function(transport) {
2206                                         var reply = JSON.parse(transport.responseText);
2207
2208                                         if (reply) {
2209                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2210                                                 pic.setAttribute("score", new_score);
2211                                         }
2212                                 } });
2213                 }
2214         } catch (e) {
2215                 exception_error("changeScore", e);
2216         }
2217 }