js/viewfeed.js

   1 var article_cache = new Array();
   2
   3 var _active_article_id = 0;
   4
   5 var vgroup_last_feed = false;
   6 var post_under_pointer = false;
   7
   8 var last_requested_article = false;
   9
  10 var catchup_id_batch = [];
  11 var catchup_timeout_id = false;
  12
  13 var cids_requested = [];
  14 var loaded_article_ids = [];
  15
  16 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  17
  18 function headlines_callback2(transport, offset, background, infscroll_req) {
  19         try {
  20                 handle_rpc_json(transport);
  21
  22                 loading_set_progress(25);
  23
  24                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  25
  26                 var is_cat = false;
  27                 var feed_id = false;
  28
  29                 var reply = false;
  30
  31                 try {
  32                         reply = JSON.parse(transport.responseText);
  33                 } catch (e) {
  34                         console.error(e);
  35                 }
  36
  37                 if (reply) {
  38
  39                         is_cat = reply['headlines']['is_cat'];
  40                         feed_id = reply['headlines']['id'];
  41
  42                         if (background) {
  43                                 var content = reply['headlines']['content'];
  44
  45                                 if (getInitParam("cdm_auto_catchup") == 1) {
  46                                         content = content + "<div id='headlines-spacer'></div>";
  47                                 }
  48                                 return;
  49                         }
  50
  51                         setActiveFeedId(feed_id, is_cat);
  52
  53                         dijit.getEnclosingWidget(
  54                                 document.forms["main_toolbar_form"].update).attr('disabled',
  55                                         is_cat || feed_id <= 0);
  56
  57                         try {
  58                                 if (infscroll_req == false) {
  59                                         $("headlines-frame").scrollTop = 0;
  60                                 }
  61                         } catch (e) { };
  62
  63                         var headlines_count = reply['headlines-info']['count'];
  64
  65                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  66
  67                         if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
  68                                 _infscroll_disable = 1;
  69                         } else {
  70                                 _infscroll_disable = 0;
  71                         }
  72
  73                         var counters = reply['counters'];
  74                         var articles = reply['articles'];
  75                         //var runtime_info = reply['runtime-info'];
  76
  77                         if (infscroll_req == false) {
  78                                 loaded_article_ids = [];
  79
  80                                 dijit.byId("headlines-frame").attr('content',
  81                                         reply['headlines']['content']);
  82
  83                                 dijit.byId("headlines-toolbar").attr('content',
  84                                         reply['headlines']['toolbar']);
  85
  86                                 $$("#headlines-frame > div[id*=RROW]").each(function(row) {
  87                                         if (loaded_article_ids.indexOf(row.id) != -1) {
  88                                                 row.parentNode.removeChild(row);
  89                                         } else {
  90                                                 loaded_article_ids.push(row.id);
  91                                         }
  92                                 });
  93
  94                                 if (getInitParam("cdm_auto_catchup") == 1) {
  95                                         var hsp = $("headlines-spacer");
  96                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
  97                                         dijit.byId('headlines-frame').domNode.appendChild(hsp);
  98                                 }
  99
 100                                 initHeadlinesMenu();
 101
 102                                 if (_search_query) {
 103                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 104                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 105                                                 "</span>";
 106                                 }
 107
 108                         } else {
 109
 110                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 111                                         console.log("adding some more headlines: " + headlines_count);
 112
 113                                         var c = dijit.byId("headlines-frame");
 114                                         var ids = getSelectedArticleIds2();
 115                                         var new_elems = [];
 116
 117                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 118
 119                                         var hsp = $("headlines-spacer");
 120
 121                                         if (hsp)
 122                                                 c.domNode.removeChild(hsp);
 123
 124                                         $$("#headlines-tmp > div").each(function(row) {
 125                                                 if (row.className == 'cdmFeedTitle') {
 126                                                         row.style.display = 'none';
 127                                                         c.domNode.appendChild(row);
 128                                                         new_elems.push(row);
 129                                                 } else if (loaded_article_ids.indexOf(row.id) == -1) {
 130                                                         row.style.display = 'none';
 131                                                         c.domNode.appendChild(row);
 132                                                         new_elems.push(row);
 133                                                         loaded_article_ids.push(row.id);
 134                                                 } else {
 135                                                         row.parentNode.removeChild(row);
 136                                                 }
 137                                         });
 138
 139                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 140
 141                                         fixHeadlinesOrder(getLoadedArticleIds());
 142
 143                                         if (getInitParam("cdm_auto_catchup") == 1) {
 144                                                 c.domNode.appendChild(hsp);
 145                                         }
 146
 147                                         console.log("added " + new_elems.size() + " headlines");
 148
 149                                         if (new_elems.size() == 0)
 150                                                 _infscroll_disable = true;
 151
 152                                         console.log("restore selected ids: " + ids);
 153
 154                                         for (var i = 0; i < ids.length; i++) {
 155                                                 markHeadline(ids[i]);
 156                                         }
 157
 158                                         initHeadlinesMenu();
 159
 160                                         new_elems.each(function(child) {
 161                                                 var cb = dijit.byId(child.id.replace("RROW-", "RCHK-"));
 162
 163                                                 if (!cb) {
 164                                                         dojo.parser.parse(child);
 165
 166                                                         if (!Element.visible(child))
 167                                                                 new Effect.Appear(child, { duration : 0.5 });
 168                                                 } else {
 169                                                         c.domNode.removeChild(child);
 170                                                 }
 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 (articles) {
 183                                 for (var i = 0; i < articles.length; i++) {
 184                                         var a_id = articles[i]['id'];
 185                                         cache_set("article:" + a_id, articles[i]['content']);
 186                                 }
 187                         } else {
 188                                 console.log("no cached articles received");
 189                         }
 190
 191                         if (counters)
 192                                 parse_counters(counters);
 193                         else
 194                                 request_counters(true);
 195
 196                 } else if (transport.responseText) {
 197                         console.error("Invalid object received: " + transport.responseText);
 198                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 199                                         __('Could not update headlines (invalid object received - see error console for details)') +
 200                                         "</div>");
 201                 } else {
 202                         //notify_error("Error communicating with server.");
 203                         Element.show(dijit.byId("net-alert").domNode);
 204                 }
 205
 206                 _infscroll_request_sent = 0;
 207
 208                 unpackVisibleHeadlines();
 209
 210                 notify("");
 211
 212         } catch (e) {
 213                 exception_error("headlines_callback2", e, transport);
 214         }
 215 }
 216
 217 function render_article(article) {
 218         try {
 219                 dijit.byId("headlines-wrap-inner").addChild(
 220                                 dijit.byId("content-insert"));
 221
 222                 var c = dijit.byId("content-insert");
 223
 224                 try {
 225                         c.domNode.scrollTop = 0;
 226                 } catch (e) { };
 227
 228                 c.attr('content', article);
 229
 230                 correctHeadlinesOffset(getActiveArticleId());
 231
 232                 try {
 233                         c.focus();
 234                 } catch (e) { };
 235
 236         } catch (e) {
 237                 exception_error("render_article", e);
 238         }
 239 }
 240
 241 function showArticleInHeadlines(id) {
 242
 243         try {
 244
 245                 selectArticles("none");
 246
 247                 var crow = $("RROW-" + id);
 248
 249                 if (!crow) return;
 250
 251                 var article_is_unread = crow.hasClassName("Unread");
 252
 253                 crow.removeClassName("Unread");
 254
 255                 selectArticles('none');
 256
 257                 var view_mode = false;
 258
 259                 try {
 260                         view_mode = document.forms['main_toolbar_form'].view_mode;
 261                         view_mode = view_mode[view_mode.selectedIndex].value;
 262                 } catch (e) {
 263                         //
 264                 }
 265
 266                 markHeadline(id);
 267
 268                 if (article_is_unread)
 269                         _force_scheduled_update = true;
 270
 271         } catch (e) {
 272                 exception_error("showArticleInHeadlines", e);
 273         }
 274 }
 275
 276 function article_callback2(transport, id) {
 277         try {
 278                 console.log("article_callback2 " + id);
 279
 280                 handle_rpc_json(transport);
 281
 282                 var reply = false;
 283
 284                 try {
 285                         reply = JSON.parse(transport.responseText);
 286                 } catch (e) {
 287                         console.error(e);
 288                 }
 289
 290                 if (reply) {
 291
 292                         reply.each(function(article) {
 293                                 if (getActiveArticleId() == article['id']) {
 294                                         render_article(article['content']);
 295                                 }
 296                                 cids_requested.remove(article['id']);
 297
 298                                 cache_set("article:" + article['id'], article['content']);
 299                         });
 300
 301 //                      if (id != last_requested_article) {
 302 //                              console.log("requested article id is out of sequence, aborting");
 303 //                              return;
 304 //                      }
 305
 306                 } else if (transport.responseText) {
 307                         console.error("Invalid object received: " + transport.responseText);
 308
 309                         render_article("<div class='whiteBox'>" +
 310                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 311                 } else {
 312                         Element.show(dijit.byId("net-alert").domNode);
 313                 }
 314
 315                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 316                 request_counters(unread_in_buffer == 0);
 317
 318                 //headlines_scroll_handler($("headlines-frame"));
 319
 320 /*              try {
 321                         if (!_infscroll_disable &&
 322                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 323
 324                                 loadMoreHeadlines();
 325                         }
 326                 } catch (e) {
 327                         console.warn(e);
 328                 } */
 329
 330                 notify("");
 331         } catch (e) {
 332                 exception_error("article_callback2", e, transport);
 333         }
 334 }
 335
 336 function view(id) {
 337         try {
 338                 var crow = $("RROW-" + id);
 339
 340                 if (!crow) return;
 341
 342                 console.log("loading article: " + id);
 343
 344                 var cached_article = cache_get("article:" + id);
 345
 346                 console.log("cache check result: " + (cached_article != false));
 347
 348                 hideAuxDlg();
 349
 350                 var query = "?op=article&method=view&id=" + param_escape(id);
 351
 352                 var neighbor_ids = getRelativePostIds(id);
 353
 354                 /* only request uncached articles */
 355
 356                 var cids_to_request = [];
 357
 358                 for (var i = 0; i < neighbor_ids.length; i++) {
 359                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 360                                 if (!cache_get("article:" + neighbor_ids[i])) {
 361                                         cids_to_request.push(neighbor_ids[i]);
 362                                         cids_requested.push(neighbor_ids[i]);
 363                                 }
 364                 }
 365
 366                 console.log("additional ids: " + cids_to_request.toString());
 367
 368                 query = query + "&cids=" + cids_to_request.toString();
 369
 370                 var article_is_unread = crow.hasClassName("Unread");
 371
 372                 setActiveArticleId(id);
 373                 showArticleInHeadlines(id);
 374
 375                 if (cached_article && article_is_unread) {
 376
 377                         query = query + "&mode=prefetch";
 378
 379                         render_article(cached_article);
 380
 381                 } else if (cached_article) {
 382
 383                         query = query + "&mode=prefetch_old";
 384                         render_article(cached_article);
 385
 386                         // if we don't need to request any relative ids, we might as well skip
 387                         // the server roundtrip altogether
 388                         if (cids_to_request.length == 0) {
 389
 390 /*                              try {
 391                                         if (!_infscroll_disable &&
 392                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 393
 394                                                         loadMoreHeadlines();
 395                                         }
 396                                 } catch (e) {
 397                                         console.warn(e);
 398                                 } */
 399
 400                                 //headlines_scroll_handler($("headlines-frame"));
 401
 402                                 return;
 403                         }
 404                 }
 405
 406                 last_requested_article = id;
 407
 408                 console.log(query);
 409
 410                 if (article_is_unread) {
 411                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 412                 }
 413
 414                 new Ajax.Request("backend.php", {
 415                         parameters: query,
 416                         onComplete: function(transport) {
 417                                 article_callback2(transport, id);
 418                         } });
 419
 420                 return false;
 421
 422         } catch (e) {
 423                 exception_error("view", e);
 424         }
 425 }
 426
 427 function toggleMark(id, client_only) {
 428         try {
 429                 var query = "?op=rpc&id=" + id + "&method=mark";
 430
 431                 var img = $("FMPIC-" + id);
 432
 433                 if (!img) return;
 434
 435                 if (img.src.match("mark_unset")) {
 436                         img.src = img.src.replace("mark_unset", "mark_set");
 437                         img.alt = __("Unstar article");
 438                         query = query + "&mark=1";
 439
 440                 } else {
 441                         img.src = img.src.replace("mark_set", "mark_unset");
 442                         img.alt = __("Star article");
 443                         query = query + "&mark=0";
 444                 }
 445
 446                 if (!client_only) {
 447                         new Ajax.Request("backend.php", {
 448                                 parameters: query,
 449                                 onComplete: function(transport) {
 450                                         handle_rpc_json(transport);
 451                                 } });
 452                 }
 453
 454         } catch (e) {
 455                 exception_error("toggleMark", e);
 456         }
 457 }
 458
 459 function togglePub(id, client_only, no_effects, note) {
 460         try {
 461                 var query = "?op=rpc&id=" + id + "&method=publ";
 462
 463                 if (note != undefined) {
 464                         query = query + "&note=" + param_escape(note);
 465                 } else {
 466                         query = query + "&note=undefined";
 467                 }
 468
 469                 var img = $("FPPIC-" + id);
 470
 471                 if (!img) return;
 472
 473                 if (img.src.match("pub_unset") || note != undefined) {
 474                         img.src = img.src.replace("pub_unset", "pub_set");
 475                         img.alt = __("Unpublish article");
 476                         query = query + "&pub=1";
 477
 478                 } else {
 479                         img.src = img.src.replace("pub_set", "pub_unset");
 480                         img.alt = __("Publish article");
 481
 482                         query = query + "&pub=0";
 483                 }
 484
 485                 if (!client_only) {
 486                         new Ajax.Request("backend.php", {
 487                                 parameters: query,
 488                                 onComplete: function(transport) {
 489                                         handle_rpc_json(transport);
 490                                 } });
 491                 }
 492
 493         } catch (e) {
 494                 exception_error("togglePub", e);
 495         }
 496 }
 497
 498 function moveToPost(mode, noscroll) {
 499
 500         try {
 501
 502                 var rows = getVisibleArticleIds();
 503
 504                 var prev_id = false;
 505                 var next_id = false;
 506
 507                 if (!$('RROW-' + getActiveArticleId())) {
 508                         setActiveArticleId(0);
 509                 }
 510
 511                 if (!getActiveArticleId()) {
 512                         next_id = rows[0];
 513                         prev_id = rows[rows.length-1]
 514                 } else {
 515                         for (var i = 0; i < rows.length; i++) {
 516                                 if (rows[i] == getActiveArticleId()) {
 517
 518                                         // Account for adjacent identical article ids.
 519                                         if (i > 0) prev_id = rows[i-1];
 520
 521                                         for (var j = i+1; j < rows.length; j++) {
 522                                                 if (rows[j] != getActiveArticleId()) {
 523                                                         next_id = rows[j];
 524                                                         break;
 525                                                 }
 526                                         }
 527                                         break;
 528                                 }
 529                         }
 530                 }
 531
 532                 if (mode == "next") {
 533                         if (next_id || getActiveArticleId()) {
 534                                 if (isCdmMode()) {
 535
 536                                         var article = $("RROW-" + getActiveArticleId());
 537                                         var ctr = $("headlines-frame");
 538
 539                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 540                                                         ctr.scrollTop + ctr.offsetHeight) {
 541
 542                                                 scrollArticle(ctr.offsetHeight/2);
 543
 544                                         } else if (next_id) {
 545                                                 cdmExpandArticle(next_id);
 546                                                 cdmScrollToArticleId(next_id, true);
 547                                         }
 548
 549                                 } else if (next_id) {
 550                                         correctHeadlinesOffset(next_id);
 551                                         view(next_id, getActiveFeedId());
 552                                 }
 553                         }
 554                 }
 555
 556                 if (mode == "prev") {
 557                         if (prev_id || getActiveArticleId()) {
 558                                 if (isCdmMode()) {
 559
 560                                         var article = $("RROW-" + getActiveArticleId());
 561                                         var prev_article = $("RROW-" + prev_id);
 562                                         var ctr = $("headlines-frame");
 563
 564                                         if (!getInitParam("cdm_expanded")) {
 565
 566                                                 if (!noscroll && article.offsetTop < ctr.scrollTop) {
 567                                                         scrollArticle(-ctr.offsetHeight/3);
 568                                                 } else {
 569                                                         cdmExpandArticle(prev_id);
 570                                                         cdmScrollToArticleId(prev_id, true);
 571                                                 }
 572                                         } else {
 573
 574                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 575                                                         scrollArticle(-ctr.offsetHeight/3);
 576                                                 } else if (!noscroll && prev_article &&
 577                                                                 prev_article.offsetTop < ctr.scrollTop) {
 578                                                         cdmExpandArticle(prev_id);
 579                                                         scrollArticle(-ctr.offsetHeight/3);
 580                                                 } else if (prev_id) {
 581                                                         cdmExpandArticle(prev_id);
 582                                                         cdmScrollToArticleId(prev_id, noscroll);
 583                                                 }
 584                                         }
 585
 586                                 } else if (prev_id) {
 587                                         correctHeadlinesOffset(prev_id);
 588                                         view(prev_id, getActiveFeedId());
 589                                 }
 590                         }
 591                 }
 592
 593         } catch (e) {
 594                 exception_error("moveToPost", e);
 595         }
 596 }
 597
 598 function toggleSelected(id, force_on) {
 599         try {
 600
 601                 var cb = dijit.byId("RCHK-" + id);
 602                 var row = $("RROW-" + id);
 603
 604                 if (row) {
 605                         if (row.hasClassName('Selected') && !force_on) {
 606                                 row.removeClassName('Selected');
 607                                 if (cb) cb.attr("checked", false);
 608                         } else {
 609                                 row.addClassName('Selected');
 610                                 if (cb) cb.attr("checked", true);
 611                         }
 612                 }
 613         } catch (e) {
 614                 exception_error("toggleSelected", e);
 615         }
 616 }
 617
 618 function toggleUnread_afh(effect) {
 619         try {
 620
 621                 var elem = effect.element;
 622                 elem.style.backgroundColor = "";
 623
 624         } catch (e) {
 625                 exception_error("toggleUnread_afh", e);
 626         }
 627 }
 628
 629 function toggleUnread(id, cmode, effect) {
 630         try {
 631
 632                 var row = $("RROW-" + id);
 633                 if (row) {
 634                         if (cmode == undefined || cmode == 2) {
 635                                 if (row.hasClassName("Unread")) {
 636                                         row.removeClassName("Unread");
 637
 638                                         if (effect) {
 639                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 640                                                         afterFinish: toggleUnread_afh,
 641                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 642                                         }
 643
 644                                 } else {
 645                                         row.addClassName("Unread");
 646                                 }
 647
 648                         } else if (cmode == 0) {
 649
 650                                 row.removeClassName("Unread");
 651
 652                                 if (effect) {
 653                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 654                                                 afterFinish: toggleUnread_afh,
 655                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 656                                 }
 657
 658                         } else if (cmode == 1) {
 659                                 row.addClassName("Unread");
 660                         }
 661
 662                         if (cmode == undefined) cmode = 2;
 663
 664                         var query = "?op=rpc&method=catchupSelected" +
 665                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 666
 667 //                      notify_progress("Loading, please wait...");
 668
 669                         new Ajax.Request("backend.php", {
 670                                 parameters: query,
 671                                 onComplete: function(transport) {
 672                                         handle_rpc_json(transport);
 673                                 } });
 674
 675                 }
 676
 677         } catch (e) {
 678                 exception_error("toggleUnread", e);
 679         }
 680 }
 681
 682 function selectionRemoveLabel(id, ids) {
 683         try {
 684
 685                 if (!ids) ids = getSelectedArticleIds2();
 686
 687                 if (ids.length == 0) {
 688                         alert(__("No articles are selected."));
 689                         return;
 690                 }
 691
 692                 var query = "?op=rpc&method=removeFromLabel&ids=" +
 693                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 694
 695                 console.log(query);
 696
 697                 new Ajax.Request("backend.php", {
 698                         parameters: query,
 699                         onComplete: function(transport) {
 700                                 handle_rpc_json(transport);
 701                                 show_labels_in_headlines(transport);
 702                         } });
 703
 704         } catch (e) {
 705                 exception_error("selectionAssignLabel", e);
 706
 707         }
 708 }
 709
 710 function selectionAssignLabel(id, ids) {
 711         try {
 712
 713                 if (!ids) ids = getSelectedArticleIds2();
 714
 715                 if (ids.length == 0) {
 716                         alert(__("No articles are selected."));
 717                         return;
 718                 }
 719
 720                 var query = "?op=rpc&method=assignToLabel&ids=" +
 721                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 722
 723                 console.log(query);
 724
 725                 new Ajax.Request("backend.php", {
 726                         parameters: query,
 727                         onComplete: function(transport) {
 728                                 handle_rpc_json(transport);
 729                                 show_labels_in_headlines(transport);
 730                         } });
 731
 732         } catch (e) {
 733                 exception_error("selectionAssignLabel", e);
 734
 735         }
 736 }
 737
 738 function selectionToggleUnread(set_state, callback, no_error) {
 739         try {
 740                 var rows = getSelectedArticleIds2();
 741
 742                 if (rows.length == 0 && !no_error) {
 743                         alert(__("No articles are selected."));
 744                         return;
 745                 }
 746
 747                 for (var i = 0; i < rows.length; i++) {
 748                         var row = $("RROW-" + rows[i]);
 749                         if (row) {
 750                                 if (set_state == undefined) {
 751                                         if (row.hasClassName("Unread")) {
 752                                                 row.removeClassName("Unread");
 753                                         } else {
 754                                                 row.addClassName("Unread");
 755                                         }
 756                                 }
 757
 758                                 if (set_state == false) {
 759                                         row.removeClassName("Unread");
 760                                 }
 761
 762                                 if (set_state == true) {
 763                                         row.addClassName("Unread");
 764                                 }
 765                         }
 766                 }
 767
 768                 if (rows.length > 0) {
 769
 770                         var cmode = "";
 771
 772                         if (set_state == undefined) {
 773                                 cmode = "2";
 774                         } else if (set_state == true) {
 775                                 cmode = "1";
 776                         } else if (set_state == false) {
 777                                 cmode = "0";
 778                         }
 779
 780                         var query = "?op=rpc&method=catchupSelected" +
 781                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 782
 783                         notify_progress("Loading, please wait...");
 784
 785                         new Ajax.Request("backend.php", {
 786                                 parameters: query,
 787                                 onComplete: function(transport) {
 788                                         handle_rpc_json(transport);
 789                                         if (callback) callback(transport);
 790                                 } });
 791
 792                 }
 793
 794         } catch (e) {
 795                 exception_error("selectionToggleUnread", e);
 796         }
 797 }
 798
 799 function selectionToggleMarked() {
 800         try {
 801
 802                 var rows = getSelectedArticleIds2();
 803
 804                 if (rows.length == 0) {
 805                         alert(__("No articles are selected."));
 806                         return;
 807                 }
 808
 809                 for (var i = 0; i < rows.length; i++) {
 810                         toggleMark(rows[i], true, true);
 811                 }
 812
 813                 if (rows.length > 0) {
 814
 815                         var query = "?op=rpc&method=markSelected&ids=" +
 816                                 param_escape(rows.toString()) + "&cmode=2";
 817
 818                         new Ajax.Request("backend.php", {
 819                                 parameters: query,
 820                                 onComplete: function(transport) {
 821                                         handle_rpc_json(transport);
 822                                 } });
 823
 824                 }
 825
 826         } catch (e) {
 827                 exception_error("selectionToggleMarked", e);
 828         }
 829 }
 830
 831 function selectionTogglePublished() {
 832         try {
 833
 834                 var rows = getSelectedArticleIds2();
 835
 836                 if (rows.length == 0) {
 837                         alert(__("No articles are selected."));
 838                         return;
 839                 }
 840
 841                 for (var i = 0; i < rows.length; i++) {
 842                         togglePub(rows[i], true, true);
 843                 }
 844
 845                 if (rows.length > 0) {
 846
 847                         var query = "?op=rpc&method=publishSelected&ids=" +
 848                                 param_escape(rows.toString()) + "&cmode=2";
 849
 850                         new Ajax.Request("backend.php", {
 851                                 parameters: query,
 852                                 onComplete: function(transport) {
 853                                         handle_rpc_json(transport);
 854                                 } });
 855
 856                 }
 857
 858         } catch (e) {
 859                 exception_error("selectionToggleMarked", e);
 860         }
 861 }
 862
 863 function getSelectedArticleIds2() {
 864
 865         var rv = [];
 866
 867         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 868                 function(child) {
 869                         rv.push(child.id.replace("RROW-", ""));
 870                 });
 871
 872         return rv;
 873 }
 874
 875 function getLoadedArticleIds() {
 876         var rv = [];
 877
 878         var children = $$("#headlines-frame > div[id*=RROW-]");
 879
 880         children.each(function(child) {
 881                         rv.push(child.id.replace("RROW-", ""));
 882                 });
 883
 884         return rv;
 885
 886 }
 887
 888 // mode = all,none,unread,invert,marked,published
 889 function selectArticles(mode) {
 890         try {
 891
 892                 var children = $$("#headlines-frame > div[id*=RROW]");
 893
 894                 children.each(function(child) {
 895                         var id = child.id.replace("RROW-", "");
 896                         var cb = dijit.byId("RCHK-" + id);
 897
 898                         if (mode == "all") {
 899                                 child.addClassName("Selected");
 900                                 if (cb) cb.attr("checked", true);
 901                         } else if (mode == "unread") {
 902                                 if (child.hasClassName("Unread")) {
 903                                         child.addClassName("Selected");
 904                                         if (cb) cb.attr("checked", true);
 905                                 } else {
 906                                         child.removeClassName("Selected");
 907                                         if (cb) cb.attr("checked", false);
 908                                 }
 909                         } else if (mode == "marked") {
 910                                 var img = $("FMPIC-" + child.id.replace("RROW-", ""));
 911
 912                                 if (img && img.src.match("mark_set")) {
 913                                         child.addClassName("Selected");
 914                                         if (cb) cb.attr("checked", true);
 915                                 } else {
 916                                         child.removeClassName("Selected");
 917                                         if (cb) cb.attr("checked", false);
 918                                 }
 919                         } else if (mode == "published") {
 920                                 var img = $("FPPIC-" + child.id.replace("RROW-", ""));
 921
 922                                 if (img && img.src.match("pub_set")) {
 923                                         child.addClassName("Selected");
 924                                         if (cb) cb.attr("checked", true);
 925                                 } else {
 926                                         child.removeClassName("Selected");
 927                                         if (cb) cb.attr("checked", false);
 928                                 }
 929
 930                         } else if (mode == "invert") {
 931                                 if (child.hasClassName("Selected")) {
 932                                         child.removeClassName("Selected");
 933                                         if (cb) cb.attr("checked", false);
 934                                 } else {
 935                                         child.addClassName("Selected");
 936                                         if (cb) cb.attr("checked", true);
 937                                 }
 938
 939                         } else {
 940                                 child.removeClassName("Selected");
 941                                 if (cb) cb.attr("checked", false);
 942                         }
 943                 });
 944
 945         } catch (e) {
 946                 exception_error("selectArticles", e);
 947         }
 948 }
 949
 950 function catchupPage() {
 951
 952         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 953
 954         var str = __("Mark all visible articles in %s as read?");
 955
 956         str = str.replace("%s", fn);
 957
 958         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 959                 return;
 960         }
 961
 962         selectArticles('all');
 963         selectionToggleUnread(false, 'viewCurrentFeed()', true);
 964         selectArticles('none');
 965 }
 966
 967 function deleteSelection() {
 968
 969         try {
 970
 971                 var rows = getSelectedArticleIds2();
 972
 973                 if (rows.length == 0) {
 974                         alert(__("No articles are selected."));
 975                         return;
 976                 }
 977
 978                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 979                 var str;
 980
 981                 if (getActiveFeedId() != 0) {
 982                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
 983                 } else {
 984                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
 985                 }
 986
 987                 str = str.replace("%d", rows.length);
 988                 str = str.replace("%s", fn);
 989
 990                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 991                         return;
 992                 }
 993
 994                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
 995
 996                 console.log(query);
 997
 998                 new Ajax.Request("backend.php", {
 999                         parameters: query,
1000                         onComplete: function(transport) {
1001                                         handle_rpc_json(transport);
1002                                         viewCurrentFeed();
1003                                 } });
1004
1005         } catch (e) {
1006                 exception_error("deleteSelection", e);
1007         }
1008 }
1009
1010 function archiveSelection() {
1011
1012         try {
1013
1014                 var rows = getSelectedArticleIds2();
1015
1016                 if (rows.length == 0) {
1017                         alert(__("No articles are selected."));
1018                         return;
1019                 }
1020
1021                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1022                 var str;
1023                 var op;
1024
1025                 if (getActiveFeedId() != 0) {
1026                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1027                         op = "archive";
1028                 } else {
1029                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1030                         op = "unarchive";
1031                 }
1032
1033                 str = str.replace("%d", rows.length);
1034                 str = str.replace("%s", fn);
1035
1036                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1037                         return;
1038                 }
1039
1040                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1041
1042                 console.log(query);
1043
1044                 for (var i = 0; i < rows.length; i++) {
1045                         cache_delete("article:" + rows[i]);
1046                 }
1047
1048                 new Ajax.Request("backend.php", {
1049                         parameters: query,
1050                         onComplete: function(transport) {
1051                                         handle_rpc_json(transport);
1052                                         viewCurrentFeed();
1053                                 } });
1054
1055         } catch (e) {
1056                 exception_error("archiveSelection", e);
1057         }
1058 }
1059
1060 function catchupSelection() {
1061
1062         try {
1063
1064                 var rows = getSelectedArticleIds2();
1065
1066                 if (rows.length == 0) {
1067                         alert(__("No articles are selected."));
1068                         return;
1069                 }
1070
1071                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1072
1073                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1074
1075                 str = str.replace("%d", rows.length);
1076                 str = str.replace("%s", fn);
1077
1078                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1079                         return;
1080                 }
1081
1082                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1083
1084         } catch (e) {
1085                 exception_error("catchupSelection", e);
1086         }
1087 }
1088
1089 function editArticleTags(id) {
1090                 var query = "backend.php?op=dlg&method=editArticleTags&param=" + param_escape(id);
1091
1092                 if (dijit.byId("editTagsDlg"))
1093                         dijit.byId("editTagsDlg").destroyRecursive();
1094
1095                 dialog = new dijit.Dialog({
1096                         id: "editTagsDlg",
1097                         title: __("Edit article Tags"),
1098                         style: "width: 600px",
1099                         execute: function() {
1100                                 if (this.validate()) {
1101                                         var query = dojo.objectToQuery(this.attr('value'));
1102
1103                                         notify_progress("Saving article tags...", true);
1104
1105                                         new Ajax.Request("backend.php", {
1106                                         parameters: query,
1107                                         onComplete: function(transport) {
1108                                                 notify('');
1109                                                 dialog.hide();
1110
1111                                                 var data = JSON.parse(transport.responseText);
1112
1113                                                 if (data) {
1114                                                         var tags_str = article.tags;
1115                                                         var id = tags_str.id;
1116
1117                                                         var tags = $("ATSTR-" + id);
1118                                                         var tooltip = dijit.byId("ATSTRTIP-" + id);
1119
1120                                                         if (tags) tags.innerHTML = tags_str.content;
1121                                                         if (tooltip) tooltip.attr('label', tags_str.content_full);
1122
1123                                                         cache_delete("article:" + id);
1124                                                 }
1125
1126                                         }});
1127                                 }
1128                         },
1129                         href: query,
1130                 });
1131
1132                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1133                 dojo.disconnect(tmph);
1134
1135                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1136                            "backend.php?op=rpc&method=completeTags",
1137                            { tokens: ',', paramName: "search" });
1138                 });
1139
1140                 dialog.show();
1141
1142 }
1143
1144 function cdmScrollToArticleId(id, force) {
1145         try {
1146                 var ctr = $("headlines-frame");
1147                 var e = $("RROW-" + id);
1148
1149                 if (!e || !ctr) return;
1150
1151                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1152                                 e.offsetTop < ctr.scrollTop) {
1153                         ctr.scrollTop = e.offsetTop;
1154                 }
1155
1156         } catch (e) {
1157                 exception_error("cdmScrollToArticleId", e);
1158         }
1159 }
1160
1161 function setActiveArticleId(id) {
1162         _active_article_id = id;
1163 }
1164
1165 function getActiveArticleId() {
1166         return _active_article_id;
1167 }
1168
1169 function postMouseIn(id) {
1170         post_under_pointer = id;
1171 }
1172
1173 function postMouseOut(id) {
1174         post_under_pointer = false;
1175 }
1176
1177 function unpackVisibleHeadlines() {
1178         try {
1179
1180                 if (!isCdmMode()) return;
1181
1182                 $$("#headlines-frame > div[id*=RROW]").each(
1183                         function(child) {
1184                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1185                                         $("headlines-frame").offsetHeight) {
1186
1187                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1188
1189                                         if (cencw) {
1190                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1191                                                 cencw.setAttribute('id', '');
1192                                                 Element.show(cencw);
1193                                         }
1194                                 }
1195                         }
1196                 );
1197
1198
1199         } catch (e) {
1200                 exception_error("unpackVisibleHeadlines", e);
1201         }
1202 }
1203
1204 function headlines_scroll_handler(e) {
1205         try {
1206                 var hsp = $("headlines-spacer");
1207
1208                 unpackVisibleHeadlines();
1209
1210                 if (!_infscroll_disable) {
1211                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1212                                         (e.scrollHeight != 0 &&
1213                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1214
1215                                 if (hsp)
1216                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1217                                                 __("Loading, please wait...");
1218
1219                                 loadMoreHeadlines();
1220                                 return;
1221
1222                         }
1223                 } else {
1224                         if (hsp) hsp.innerHTML = "";
1225                 }
1226
1227                 if (getInitParam("cdm_auto_catchup") == 1) {
1228
1229                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1230                                 function(child) {
1231                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1232                                                         (child.offsetTop + child.offsetHeight/2)) {
1233
1234                                                 var id = child.id.replace("RROW-", "");
1235
1236                                                 if (catchup_id_batch.indexOf(id) == -1)
1237                                                         catchup_id_batch.push(id);
1238
1239                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1240                                         }
1241                                 });
1242
1243                         if (catchup_id_batch.length > 0) {
1244                                 window.clearTimeout(catchup_timeout_id);
1245
1246                                 if (!_infscroll_request_sent) {
1247                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1248                                                 2000);
1249                                 }
1250                         }
1251                 }
1252
1253         } catch (e) {
1254                 console.warn("headlines_scroll_handler: " + e);
1255         }
1256 }
1257
1258 function catchupBatchedArticles() {
1259         try {
1260                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1261
1262                         // make a copy of the array
1263                         var batch = catchup_id_batch.slice();
1264                         var query = "?op=rpc&method=catchupSelected" +
1265                                 "&cmode=0&ids=" + param_escape(batch.toString());
1266
1267                         console.log(query);
1268
1269                         new Ajax.Request("backend.php", {
1270                                 parameters: query,
1271                                 onComplete: function(transport) {
1272                                         handle_rpc_json(transport);
1273
1274                                         batch.each(function(id) {
1275                                                 var elem = $("RROW-" + id);
1276                                                 if (elem) elem.removeClassName("Unread");
1277                                                 catchup_id_batch.remove(id);
1278                                         });
1279
1280                                 } });
1281                 }
1282
1283         } catch (e) {
1284                 exception_error("catchupBatchedArticles", e);
1285         }
1286 }
1287
1288 function catchupRelativeToArticle(below, id) {
1289
1290         try {
1291
1292                 if (!id) id = getActiveArticleId();
1293
1294                 if (!id) {
1295                         alert(__("No article is selected."));
1296                         return;
1297                 }
1298
1299                 var visible_ids = getVisibleArticleIds();
1300
1301                 var ids_to_mark = new Array();
1302
1303                 if (!below) {
1304                         for (var i = 0; i < visible_ids.length; i++) {
1305                                 if (visible_ids[i] != id) {
1306                                         var e = $("RROW-" + visible_ids[i]);
1307
1308                                         if (e && e.hasClassName("Unread")) {
1309                                                 ids_to_mark.push(visible_ids[i]);
1310                                         }
1311                                 } else {
1312                                         break;
1313                                 }
1314                         }
1315                 } else {
1316                         for (var i = visible_ids.length-1; i >= 0; i--) {
1317                                 if (visible_ids[i] != id) {
1318                                         var e = $("RROW-" + visible_ids[i]);
1319
1320                                         if (e && e.hasClassName("Unread")) {
1321                                                 ids_to_mark.push(visible_ids[i]);
1322                                         }
1323                                 } else {
1324                                         break;
1325                                 }
1326                         }
1327                 }
1328
1329                 if (ids_to_mark.length == 0) {
1330                         alert(__("No articles found to mark"));
1331                 } else {
1332                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1333
1334                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1335
1336                                 for (var i = 0; i < ids_to_mark.length; i++) {
1337                                         var e = $("RROW-" + ids_to_mark[i]);
1338                                         e.removeClassName("Unread");
1339                                 }
1340
1341                                 var query = "?op=rpc&method=catchupSelected" +
1342                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1343
1344                                 new Ajax.Request("backend.php", {
1345                                         parameters: query,
1346                                         onComplete: function(transport) {
1347                                                 handle_rpc_json(transport);
1348                                         } });
1349
1350                         }
1351                 }
1352
1353         } catch (e) {
1354                 exception_error("catchupRelativeToArticle", e);
1355         }
1356 }
1357
1358 function cdmCollapseArticle(event, id) {
1359         try {
1360                 var row = $("RROW-" + id);
1361                 var elem = $("CICD-" + id);
1362
1363                 if (elem && row) {
1364                         var collapse = $$("div#RROW-" + id +
1365                                 " span[class='collapseBtn']")[0];
1366
1367                         Element.hide(elem);
1368                         Element.show("CEXC-" + id);
1369                         Element.hide(collapse);
1370
1371                         markHeadline(id, false);
1372
1373                         if (id == getActiveArticleId()) {
1374                                 setActiveArticleId(0);
1375                         }
1376
1377                         if (event) Event.stop(event);
1378                 }
1379
1380         } catch (e) {
1381                 exception_error("cdmCollapseArticle", e);
1382         }
1383 }
1384
1385 function cdmExpandArticle(id) {
1386         try {
1387                 console.log("cdmExpandArticle " + id);
1388
1389                 if (!$("RROW-" + id)) return false;
1390
1391                 hideAuxDlg();
1392
1393                 var elem = $("CICD-" + getActiveArticleId());
1394
1395                 if (id == getActiveArticleId() && Element.visible(elem))
1396                         return true;
1397
1398                 selectArticles("none");
1399
1400                 var old_offset = $("RROW-" + id).offsetTop;
1401
1402                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1403                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1404                                 " span[class='collapseBtn']")[0];
1405
1406                         Element.hide(elem);
1407                         Element.show("CEXC-" + getActiveArticleId());
1408                         Element.hide(collapse);
1409                         $("RROW-" + getActiveArticleId()).removeClassName("active");
1410                 }
1411
1412                 setActiveArticleId(id);
1413
1414                 elem = $("CICD-" + id);
1415
1416                 var collapse = $$("div#RROW-" + id +
1417                                 " span[class='collapseBtn']")[0];
1418
1419                 var cencw = $("CENCW-" + id);
1420
1421                 if (!Element.visible(elem)) {
1422                         if (cencw) {
1423                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1424                                 cencw.setAttribute('id', '');
1425                                 Element.show(cencw);
1426                         }
1427
1428                         Element.show(elem);
1429                         Element.hide("CEXC-" + id);
1430                         Element.show(collapse);
1431                         $("RROW-" + id).addClassName("active");
1432                 }
1433
1434                 var new_offset = $("RROW-" + id).offsetTop;
1435
1436                 if (old_offset > new_offset)
1437                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1438
1439                 toggleUnread(id, 0, true);
1440                 toggleSelected(id);
1441
1442         } catch (e) {
1443                 exception_error("cdmExpandArticle", e);
1444         }
1445
1446         return false;
1447 }
1448
1449 function fixHeadlinesOrder(ids) {
1450         try {
1451                 for (var i = 0; i < ids.length; i++) {
1452                         var e = $("RROW-" + ids[i]);
1453
1454                         if (e) {
1455                                 if (i % 2 == 0) {
1456                                         e.removeClassName("even");
1457                                         e.addClassName("odd");
1458                                 } else {
1459                                         e.removeClassName("odd");
1460                                         e.addClassName("even");
1461                                 }
1462                         }
1463                 }
1464         } catch (e) {
1465                 exception_error("fixHeadlinesOrder", e);
1466         }
1467 }
1468
1469 function getArticleUnderPointer() {
1470         return post_under_pointer;
1471 }
1472
1473 function scrollArticle(offset) {
1474         try {
1475                 if (!isCdmMode()) {
1476                         var ci = $("content-insert");
1477                         if (ci) {
1478                                 ci.scrollTop += offset;
1479                         }
1480                 } else {
1481                         var hi = $("headlines-frame");
1482                         if (hi) {
1483                                 hi.scrollTop += offset;
1484                         }
1485
1486                 }
1487         } catch (e) {
1488                 exception_error("scrollArticle", e);
1489         }
1490 }
1491
1492 function show_labels_in_headlines(transport) {
1493         try {
1494                 var data = JSON.parse(transport.responseText);
1495
1496                 if (data) {
1497                         data['info-for-headlines'].each(function(elem) {
1498                                 var ctr = $("HLLCTR-" + elem.id);
1499
1500                                 if (ctr) ctr.innerHTML = elem.labels;
1501                         });
1502                 }
1503         } catch (e) {
1504                 exception_error("show_labels_in_headlines", e);
1505         }
1506 }
1507
1508 function dismissArticle(id) {
1509         try {
1510                 var elem = $("RROW-" + id);
1511
1512                 toggleUnread(id, 0, true);
1513
1514                 new Effect.Fade(elem, {duration : 0.5});
1515
1516                 if (id == getActiveArticleId()) {
1517                         setActiveArticleId(0);
1518                 }
1519
1520         } catch (e) {
1521                 exception_error("dismissArticle", e);
1522         }
1523 }
1524
1525 function dismissSelectedArticles() {
1526         try {
1527
1528                 var ids = getVisibleArticleIds();
1529                 var tmp = [];
1530                 var sel = [];
1531
1532                 for (var i = 0; i < ids.length; i++) {
1533                         var elem = $("RROW-" + ids[i]);
1534
1535                         if (elem.className && elem.hasClassName("Selected") &&
1536                                         ids[i] != getActiveArticleId()) {
1537                                 new Effect.Fade(elem, {duration : 0.5});
1538                                 sel.push(ids[i]);
1539                         } else {
1540                                 tmp.push(ids[i]);
1541                         }
1542                 }
1543
1544                 if (sel.length > 0)
1545                         selectionToggleUnread(false);
1546
1547                 fixHeadlinesOrder(tmp);
1548
1549         } catch (e) {
1550                 exception_error("dismissSelectedArticles", e);
1551         }
1552 }
1553
1554 function dismissReadArticles() {
1555         try {
1556
1557                 var ids = getVisibleArticleIds();
1558                 var tmp = [];
1559
1560                 for (var i = 0; i < ids.length; i++) {
1561                         var elem = $("RROW-" + ids[i]);
1562
1563                         if (elem.className && !elem.hasClassName("Unread") &&
1564                                         !elem.hasClassName("Selected")) {
1565
1566                                 new Effect.Fade(elem, {duration : 0.5});
1567                         } else {
1568                                 tmp.push(ids[i]);
1569                         }
1570                 }
1571
1572                 fixHeadlinesOrder(tmp);
1573
1574         } catch (e) {
1575                 exception_error("dismissSelectedArticles", e);
1576         }
1577 }
1578
1579 function getVisibleArticleIds() {
1580         var ids = [];
1581
1582         try {
1583
1584                 getLoadedArticleIds().each(function(id) {
1585                         var elem = $("RROW-" + id);
1586                         if (elem && Element.visible(elem))
1587                                 ids.push(id);
1588                         });
1589
1590         } catch (e) {
1591                 exception_error("getVisibleArticleIds", e);
1592         }
1593
1594         return ids;
1595 }
1596
1597 function cdmClicked(event, id) {
1598         try {
1599                 //var shift_key = event.shiftKey;
1600
1601                 hideAuxDlg();
1602
1603                 if (!event.ctrlKey) {
1604
1605                         if (!getInitParam("cdm_expanded")) {
1606                                 return cdmExpandArticle(id);
1607                         } else {
1608
1609                                 selectArticles("none");
1610                                 toggleSelected(id);
1611
1612                                 var elem = $("RROW-" + id);
1613                                 var article_is_unread = elem.hasClassName("Unread");
1614
1615                                 if (elem)
1616                                         elem.removeClassName("Unread");
1617
1618                                 setActiveArticleId(id);
1619
1620                                 if (article_is_unread) {
1621                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1622                                 }
1623
1624                                 var query = "?op=rpc&method=catchupSelected" +
1625                                         "&cmode=0&ids=" + param_escape(id);
1626
1627                                 new Ajax.Request("backend.php", {
1628                                         parameters: query,
1629                                         onComplete: function(transport) {
1630                                                 handle_rpc_json(transport);
1631                                         } });
1632
1633                                 return !event.shiftKey;
1634                         }
1635
1636                 } else {
1637                         toggleSelected(id, true);
1638
1639                         var elem = $("RROW-" + id);
1640                         var article_is_unread = elem.hasClassName("Unread");
1641
1642                         if (article_is_unread) {
1643                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1644                         }
1645
1646                         toggleUnread(id, 0, false);
1647
1648                         openArticleInNewWindow(id);
1649                 }
1650
1651                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1652                 request_counters(unread_in_buffer == 0);
1653
1654         } catch (e) {
1655                 exception_error("cdmClicked");
1656         }
1657
1658         return false;
1659 }
1660
1661 function hlClicked(event, id) {
1662         try {
1663                 if (event.which == 2) {
1664                         view(id);
1665                         return true;
1666                 } else if (event.ctrlKey) {
1667                         toggleSelected(id, true);
1668                         toggleUnread(id, 0, false);
1669                         openArticleInNewWindow(id);
1670                         return false;
1671                 } else {
1672                         view(id);
1673                         return false;
1674                 }
1675
1676         } catch (e) {
1677                 exception_error("hlClicked");
1678         }
1679 }
1680
1681 function getFirstVisibleHeadlineId() {
1682         var rows = getVisibleArticleIds();
1683         return rows[0];
1684
1685 }
1686
1687 function getLastVisibleHeadlineId() {
1688         var rows = getVisibleArticleIds();
1689         return rows[rows.length-1];
1690 }
1691
1692 function openArticleInNewWindow(id) {
1693         toggleUnread(id, 0, false);
1694         window.open("backend.php?op=article&method=redirect&id=" + id);
1695 }
1696
1697 function isCdmMode() {
1698         return getInitParam("combined_display_mode");
1699 }
1700
1701 function markHeadline(id, marked) {
1702         if (marked == undefined) marked = true;
1703
1704         var row = $("RROW-" + id);
1705         if (row) {
1706                 var check = dijit.byId("RCHK-" + id);
1707
1708                 if (check) {
1709                         check.attr("checked", marked);
1710                 }
1711
1712                 if (marked)
1713                         row.addClassName("Selected");
1714                 else
1715                         row.removeClassName("Selected");
1716         }
1717 }
1718
1719 function getRelativePostIds(id, limit) {
1720
1721         var tmp = [];
1722
1723         try {
1724
1725                 if (!limit) limit = 6; //3
1726
1727                 var ids = getVisibleArticleIds();
1728
1729                 for (var i = 0; i < ids.length; i++) {
1730                         if (ids[i] == id) {
1731                                 for (var k = 1; k <= limit; k++) {
1732                                         //if (i > k-1) tmp.push(ids[i-k]);
1733                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1734                                 }
1735                                 break;
1736                         }
1737                 }
1738
1739         } catch (e) {
1740                 exception_error("getRelativePostIds", e);
1741         }
1742
1743         return tmp;
1744 }
1745
1746 function correctHeadlinesOffset(id) {
1747
1748         try {
1749
1750                 var container = $("headlines-frame");
1751                 var row = $("RROW-" + id);
1752
1753                 if (!container || !row) return;
1754
1755                 var viewport = container.offsetHeight;
1756
1757                 var rel_offset_top = row.offsetTop - container.scrollTop;
1758                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1759
1760                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1761                 //console.log("Vport: " + viewport);
1762
1763                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1764                         container.scrollTop = row.offsetTop;
1765                 } else if (rel_offset_bottom > viewport) {
1766
1767                         /* doesn't properly work with Opera in some cases because
1768                                 Opera fucks up element scrolling */
1769
1770                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1771                 }
1772
1773         } catch (e) {
1774                 exception_error("correctHeadlinesOffset", e);
1775         }
1776
1777 }
1778
1779 function headlineActionsChange(elem) {
1780         try {
1781                 eval(elem.value);
1782                 elem.attr('value', 'false');
1783         } catch (e) {
1784                 exception_error("headlineActionsChange", e);
1785         }
1786 }
1787
1788 function closeArticlePanel() {
1789
1790         if (dijit.byId("content-insert"))
1791                 dijit.byId("headlines-wrap-inner").removeChild(
1792                         dijit.byId("content-insert"));
1793 }
1794
1795 function initHeadlinesMenu() {
1796         try {
1797                 if (dijit.byId("headlinesMenu"))
1798                         dijit.byId("headlinesMenu").destroyRecursive();
1799
1800                 var ids = [];
1801
1802                 if (!isCdmMode()) {
1803                         nodes = $$("#headlines-frame > div[id*=RROW]");
1804                 } else {
1805                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1806                 }
1807
1808                 nodes.each(function(node) {
1809                         ids.push(node.id);
1810                 });
1811
1812                 var menu = new dijit.Menu({
1813                         id: "headlinesMenu",
1814                         targetNodeIds: ids,
1815                 });
1816
1817                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1818                         var callerNode = event.target, match = null, tries = 0;
1819
1820                         while (match == null && callerNode && tries <= 3) {
1821                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1822                                 callerNode = callerNode.parentNode;
1823                                 ++tries;
1824                         }
1825
1826                         if (match) this.callerRowId = parseInt(match[1]);
1827
1828                 });
1829
1830 /*              if (!isCdmMode())
1831                         menu.addChild(new dijit.MenuItem({
1832                                 label: __("View article"),
1833                                 onClick: function(event) {
1834                                         view(this.getParent().callerRowId);
1835                                 }})); */
1836
1837                 menu.addChild(new dijit.MenuItem({
1838                         label: __("Open original article"),
1839                         onClick: function(event) {
1840                                 openArticleInNewWindow(this.getParent().callerRowId);
1841                         }}));
1842
1843                 menu.addChild(new dijit.MenuItem({
1844                         label: __("Display article URL"),
1845                         onClick: function(event) {
1846                                 displayArticleUrl(this.getParent().callerRowId);
1847                         }}));
1848
1849                 menu.addChild(new dijit.MenuSeparator());
1850
1851                 menu.addChild(new dijit.MenuItem({
1852                         label: __("Mark above as read"),
1853                         onClick: function(event) {
1854                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1855                                 }}));
1856
1857                 menu.addChild(new dijit.MenuItem({
1858                         label: __("Mark below as read"),
1859                         onClick: function(event) {
1860                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1861                                 }}));
1862
1863
1864                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1865
1866                 if (labels) {
1867
1868                         menu.addChild(new dijit.MenuSeparator());
1869
1870                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1871                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1872
1873                         labels.each(function(label) {
1874                                 var id = label.id[0];
1875                                 var bare_id = id.substr(id.indexOf(":")+1);
1876                                 var name = label.name[0];
1877
1878                                 bare_id = -11-bare_id;
1879
1880                                 labelAddMenu.addChild(new dijit.MenuItem({
1881                                         label: name,
1882                                         labelId: bare_id,
1883                                         onClick: function(event) {
1884                                                 var ids = getSelectedArticleIds2();
1885                                                 // cast to string
1886                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1887
1888                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1889
1890                                                 selectionAssignLabel(this.labelId, ids);
1891                                 }}));
1892
1893                                 labelDelMenu.addChild(new dijit.MenuItem({
1894                                         label: name,
1895                                         labelId: bare_id,
1896                                         onClick: function(event) {
1897                                                 var ids = getSelectedArticleIds2();
1898                                                 // cast to string
1899                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1900
1901                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1902
1903                                                 selectionRemoveLabel(this.labelId, ids);
1904                                 }}));
1905
1906                         });
1907
1908                         menu.addChild(new dijit.PopupMenuItem({
1909                                 label: __("Assign label"),
1910                                 popup: labelAddMenu,
1911                         }));
1912
1913                         menu.addChild(new dijit.PopupMenuItem({
1914                                 label: __("Remove label"),
1915                                 popup: labelDelMenu,
1916                         }));
1917
1918                 }
1919
1920                 menu.startup();
1921
1922         } catch (e) {
1923                 exception_error("initHeadlinesMenu", e);
1924         }
1925 }
1926
1927
1928 function player(elem) {
1929         var aid = elem.getAttribute("audio-id");
1930         var status = elem.getAttribute("status");
1931
1932         var audio = $(aid);
1933
1934         if (audio) {
1935                 if (status == 0) {
1936                         audio.play();
1937                         status = 1;
1938                         elem.innerHTML = __("Playing...");
1939                         elem.title = __("Click to pause");
1940                         elem.addClassName("playing");
1941                 } else {
1942                         audio.pause();
1943                         status = 0;
1944                         elem.innerHTML = __("Play");
1945                         elem.title = __("Click to play");
1946                         elem.removeClassName("playing");
1947                 }
1948
1949                 elem.setAttribute("status", status);
1950         } else {
1951                 alert("Your browser doesn't seem to support HTML5 audio.");
1952         }
1953 }
1954
1955 function cache_set(id, obj) {
1956         //console.log("cache_set: " + id);
1957         if (has_storage)
1958                 try {
1959                         sessionStorage[id] = obj;
1960                 } catch (e) {
1961                         sessionStorage.clear();
1962                 }
1963 }
1964
1965 function cache_get(id) {
1966         if (has_storage)
1967                 return sessionStorage[id];
1968 }
1969
1970 function cache_clear() {
1971         if (has_storage)
1972                 sessionStorage.clear();
1973 }
1974
1975 function cache_delete(id) {
1976         if (has_storage)
1977                 sessionStorage.removeItem(id);
1978 }
1979
1980 function cancelSearch() {
1981         try {
1982                 _search_query = "";
1983                 viewCurrentFeed();
1984         } catch (e) {
1985                 exception_error("cancelSearch", e);
1986         }
1987 }
1988
1989 function setSelectionScore() {
1990         try {
1991                 var ids = getSelectedArticleIds2();
1992
1993                 if (ids.length > 0) {
1994                         console.log(ids);
1995
1996                         var score = prompt(__("Please enter new score for selected articles:"), score);
1997
1998                         if (score != undefined) {
1999                                 var query = "op=rpc&method=setScore&id=" + param_escape(ids.toString()) +
2000                                         "&score=" + param_escape(score);
2001
2002                                 new Ajax.Request("backend.php", {
2003                                         parameters: query,
2004                                         onComplete: function(transport) {
2005                                                 var reply = JSON.parse(transport.responseText);
2006                                                 if (reply) {
2007                                                         console.log(ids);
2008
2009                                                         ids.each(function(id) {
2010                                                                 var row = $("RROW-" + id);
2011
2012                                                                 if (row) {
2013                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2014
2015                                                                         if (pic) {
2016                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2017                                                                                         reply["score_pic"]);
2018                                                                                 pic.setAttribute("score", score);
2019                                                                         }
2020                                                                 }
2021                                                         });
2022                                                 }
2023                                         } });
2024                         }
2025
2026                 } else {
2027                         alert(__("No articles are selected."));
2028                 }
2029         } catch (e) {
2030                 exception_error("setSelectionScore", e);
2031         }
2032 }
2033
2034 function changeScore(id, pic) {
2035         try {
2036                 var score = pic.getAttribute("score");
2037
2038                 var new_score = prompt(__("Please enter new score for this article:"), score);
2039
2040                 if (new_score != undefined) {
2041
2042                         var query = "op=rpc&method=setScore&id=" + param_escape(id) +
2043                                 "&score=" + param_escape(new_score);
2044
2045                         new Ajax.Request("backend.php", {
2046                                 parameters: query,
2047                                 onComplete: function(transport) {
2048                                         var reply = JSON.parse(transport.responseText);
2049
2050                                         if (reply) {
2051                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2052                                                 pic.setAttribute("score", new_score);
2053                                         }
2054                                 } });
2055                 }
2056         } catch (e) {
2057                 exception_error("changeScore", e);
2058         }
2059 }
2060
2061 function displayArticleUrl(id) {
2062         try {
2063                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2064
2065                         new Ajax.Request("backend.php", {
2066                                 parameters: query,
2067                                 onComplete: function(transport) {
2068                                         var reply = JSON.parse(transport.responseText);
2069
2070                                         if (reply && reply.link) {
2071                                                 prompt(__("Article URL:"), reply.link);
2072                                         }
2073                                 } });
2074         } catch (e) {
2075                 exception_error("changeScore", e);
2076         }
2077 }