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 var _last_headlines_update = 0;
  16
  17 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  18
  19 function headlines_callback2(transport, offset, background, infscroll_req) {
  20         try {
  21                 handle_rpc_json(transport);
  22
  23                 loading_set_progress(25);
  24
  25                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  26
  27                 var is_cat = false;
  28                 var feed_id = false;
  29
  30                 var reply = false;
  31
  32                 try {
  33                         reply = JSON.parse(transport.responseText);
  34                 } catch (e) {
  35                         console.error(e);
  36                 }
  37
  38                 if (reply) {
  39
  40                         is_cat = reply['headlines']['is_cat'];
  41                         feed_id = reply['headlines']['id'];
  42
  43                         if (background) {
  44                                 var content = reply['headlines']['content'];
  45
  46                                 if (getInitParam("cdm_auto_catchup") == 1) {
  47                                         content = content + "<div id='headlines-spacer'></div>";
  48                                 }
  49                                 return;
  50                         }
  51
  52                         if (feed_id != getActiveFeedId() || is_cat != activeFeedIsCat())
  53                                 return;
  54
  55                         /* dijit.getEnclosingWidget(
  56                                 document.forms["main_toolbar_form"].update).attr('disabled',
  57                                         is_cat || feed_id <= 0); */
  58
  59                         try {
  60                                 if (infscroll_req == false) {
  61                                         $("headlines-frame").scrollTop = 0;
  62                                 }
  63                         } catch (e) { };
  64
  65                         var headlines_count = reply['headlines-info']['count'];
  66
  67                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  68
  69                         if (parseInt(headlines_count) < 30) {
  70                                 _infscroll_disable = 1;
  71                         } else {
  72                                 _infscroll_disable = 0;
  73                         }
  74
  75                         var counters = reply['counters'];
  76                         var articles = reply['articles'];
  77                         //var runtime_info = reply['runtime-info'];
  78
  79                         if (infscroll_req == false) {
  80                                 loaded_article_ids = [];
  81
  82                                 dijit.byId("headlines-frame").attr('content',
  83                                         reply['headlines']['content']);
  84
  85                                 dijit.byId("headlines-toolbar").attr('content',
  86                                         reply['headlines']['toolbar']);
  87
  88                                 $$("#headlines-frame > div[id*=RROW]").each(function(row) {
  89                                         if (loaded_article_ids.indexOf(row.id) != -1) {
  90                                                 row.parentNode.removeChild(row);
  91                                         } else {
  92                                                 loaded_article_ids.push(row.id);
  93                                         }
  94                                 });
  95
  96                                 if (getInitParam("cdm_auto_catchup") == 1) {
  97                                         var hsp = $("headlines-spacer");
  98                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
  99                                         dijit.byId('headlines-frame').domNode.appendChild(hsp);
 100                                 }
 101
 102                                 initHeadlinesMenu();
 103
 104                                 if (_search_query) {
 105                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 106                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 107                                                 "</span>";
 108                                 }
 109
 110                         } else {
 111
 112                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 113                                         console.log("adding some more headlines: " + headlines_count);
 114
 115                                         var c = dijit.byId("headlines-frame");
 116                                         var ids = getSelectedArticleIds2();
 117                                         var new_elems = [];
 118
 119                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 120
 121                                         var hsp = $("headlines-spacer");
 122
 123                                         if (hsp)
 124                                                 c.domNode.removeChild(hsp);
 125
 126                                         $$("#headlines-tmp > div").each(function(row) {
 127                                                 if (row.className == 'cdmFeedTitle') {
 128                                                         row.style.display = 'none';
 129                                                         c.domNode.appendChild(row);
 130                                                         new_elems.push(row);
 131                                                 } else if (loaded_article_ids.indexOf(row.id) == -1) {
 132                                                         row.style.display = 'none';
 133                                                         c.domNode.appendChild(row);
 134                                                         new_elems.push(row);
 135                                                         loaded_article_ids.push(row.id);
 136                                                 } else {
 137                                                         row.parentNode.removeChild(row);
 138                                                 }
 139                                         });
 140
 141                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 142
 143                                         fixHeadlinesOrder(getLoadedArticleIds());
 144
 145                                         if (getInitParam("cdm_auto_catchup") == 1) {
 146                                                 c.domNode.appendChild(hsp);
 147                                         }
 148
 149                                         console.log("added " + new_elems.size() + " headlines");
 150
 151                                         if (new_elems.size() == 0)
 152                                                 _infscroll_disable = true;
 153
 154                                         console.log("restore selected ids: " + ids);
 155
 156                                         for (var i = 0; i < ids.length; i++) {
 157                                                 markHeadline(ids[i]);
 158                                         }
 159
 160                                         initHeadlinesMenu();
 161
 162                                         new_elems.each(function(child) {
 163                                                 var cb = dijit.byId(child.id.replace("RROW-", "RCHK-"));
 164
 165                                                 if (!cb) {
 166                                                         dojo.parser.parse(child);
 167
 168                                                         if (!Element.visible(child))
 169                                                                 new Effect.Appear(child, { duration : 0.5 });
 170                                                 } else {
 171                                                         c.domNode.removeChild(child);
 172                                                 }
 173                                         });
 174
 175                                 } else {
 176                                         console.log("no new headlines received");
 177
 178                                         var hsp = $("headlines-spacer");
 179
 180                                         if (hsp) hsp.innerHTML = "";
 181                                 }
 182                         }
 183
 184                         if (articles) {
 185                                 for (var i = 0; i < articles.length; i++) {
 186                                         var a_id = articles[i]['id'];
 187                                         cache_set("article:" + a_id, articles[i]['content']);
 188                                 }
 189                         } else {
 190                                 console.log("no cached articles received");
 191                         }
 192
 193                         if (counters)
 194                                 parse_counters(counters);
 195                         else
 196                                 request_counters(true);
 197
 198                 } else if (transport.responseText) {
 199                         console.error("Invalid object received: " + transport.responseText);
 200                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 201                                         __('Could not update headlines (invalid object received - see error console for details)') +
 202                                         "</div>");
 203                 } else {
 204                         //notify_error("Error communicating with server.");
 205                         Element.show(dijit.byId("net-alert").domNode);
 206                 }
 207
 208                 _infscroll_request_sent = 0;
 209                 _last_headlines_update = new Date().getTime();
 210
 211                 unpackVisibleHeadlines();
 212
 213                 // if we have some more space in the buffer, why not try to fill it
 214
 215                 if (!_infscroll_disable && $("headlines-spacer").offsetTop <
 216                                 $("headlines-frame").offsetHeight) {
 217
 218                         window.setTimeout(function() {
 219                                 loadMoreHeadlines();
 220                         }, 250);
 221                 }
 222
 223                 notify("");
 224
 225         } catch (e) {
 226                 exception_error("headlines_callback2", e, transport);
 227         }
 228 }
 229
 230 function render_article(article) {
 231         try {
 232                 dijit.byId("headlines-wrap-inner").addChild(
 233                                 dijit.byId("content-insert"));
 234
 235                 var c = dijit.byId("content-insert");
 236
 237                 try {
 238                         c.domNode.scrollTop = 0;
 239                 } catch (e) { };
 240
 241                 c.attr('content', article);
 242
 243                 correctHeadlinesOffset(getActiveArticleId());
 244
 245                 try {
 246                         c.focus();
 247                 } catch (e) { };
 248
 249         } catch (e) {
 250                 exception_error("render_article", e);
 251         }
 252 }
 253
 254 function showArticleInHeadlines(id, noexpand) {
 255
 256         try {
 257                 selectArticles("none");
 258
 259                 var crow = $("RROW-" + id);
 260
 261                 if (!crow) return;
 262
 263                 var article_is_unread = crow.hasClassName("Unread");
 264
 265                 if (!noexpand)
 266                         crow.removeClassName("Unread");
 267                 crow.addClassName("active");
 268
 269                 selectArticles('none');
 270
 271                 var view_mode = false;
 272
 273                 try {
 274                         view_mode = document.forms['main_toolbar_form'].view_mode;
 275                         view_mode = view_mode[view_mode.selectedIndex].value;
 276                 } catch (e) {
 277                         //
 278                 }
 279
 280                 markHeadline(id);
 281
 282                 if (article_is_unread && !noexpand)
 283                         _force_scheduled_update = true;
 284
 285         } catch (e) {
 286                 exception_error("showArticleInHeadlines", e);
 287         }
 288 }
 289
 290 function article_callback2(transport, id) {
 291         try {
 292                 console.log("article_callback2 " + id);
 293
 294                 handle_rpc_json(transport);
 295
 296                 var reply = false;
 297
 298                 try {
 299                         reply = JSON.parse(transport.responseText);
 300                 } catch (e) {
 301                         console.error(e);
 302                 }
 303
 304                 if (reply) {
 305
 306                         reply.each(function(article) {
 307                                 if (getActiveArticleId() == article['id']) {
 308                                         render_article(article['content']);
 309                                 }
 310                                 cids_requested.remove(article['id']);
 311
 312                                 cache_set("article:" + article['id'], article['content']);
 313                         });
 314
 315 //                      if (id != last_requested_article) {
 316 //                              console.log("requested article id is out of sequence, aborting");
 317 //                              return;
 318 //                      }
 319
 320                 } else if (transport.responseText) {
 321                         console.error("Invalid object received: " + transport.responseText);
 322
 323                         render_article("<div class='whiteBox'>" +
 324                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 325                 } else {
 326                         Element.show(dijit.byId("net-alert").domNode);
 327                 }
 328
 329                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 330                 request_counters(unread_in_buffer == 0);
 331
 332                 //headlines_scroll_handler($("headlines-frame"));
 333
 334 /*              try {
 335                         if (!_infscroll_disable &&
 336                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 337
 338                                 loadMoreHeadlines();
 339                         }
 340                 } catch (e) {
 341                         console.warn(e);
 342                 } */
 343
 344                 notify("");
 345         } catch (e) {
 346                 exception_error("article_callback2", e, transport);
 347         }
 348 }
 349
 350 function view(id, activefeed, noexpand) {
 351         try {
 352                 var oldrow = $("RROW-" + getActiveArticleId());
 353                 if (oldrow) oldrow.removeClassName("active");
 354
 355                 var crow = $("RROW-" + id);
 356
 357                 if (!crow) return;
 358                 if (noexpand) {
 359                         setActiveArticleId(id);
 360                         showArticleInHeadlines(id, noexpand);
 361                         return;
 362                 }
 363
 364                 console.log("loading article: " + id);
 365
 366                 var cached_article = cache_get("article:" + id);
 367
 368                 console.log("cache check result: " + (cached_article != false));
 369
 370                 var query = "?op=article&method=view&id=" + param_escape(id);
 371
 372                 var neighbor_ids = getRelativePostIds(id);
 373
 374                 /* only request uncached articles */
 375
 376                 var cids_to_request = [];
 377
 378                 for (var i = 0; i < neighbor_ids.length; i++) {
 379                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 380                                 if (!cache_get("article:" + neighbor_ids[i])) {
 381                                         cids_to_request.push(neighbor_ids[i]);
 382                                         cids_requested.push(neighbor_ids[i]);
 383                                 }
 384                 }
 385
 386                 console.log("additional ids: " + cids_to_request.toString());
 387
 388                 query = query + "&cids=" + cids_to_request.toString();
 389
 390                 var article_is_unread = crow.hasClassName("Unread");
 391
 392                 setActiveArticleId(id);
 393                 showArticleInHeadlines(id);
 394
 395                 if (cached_article && article_is_unread) {
 396
 397                         query = query + "&mode=prefetch";
 398
 399                         render_article(cached_article);
 400
 401                 } else if (cached_article) {
 402
 403                         query = query + "&mode=prefetch_old";
 404                         render_article(cached_article);
 405
 406                         // if we don't need to request any relative ids, we might as well skip
 407                         // the server roundtrip altogether
 408                         if (cids_to_request.length == 0) {
 409
 410 /*                              try {
 411                                         if (!_infscroll_disable &&
 412                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 413
 414                                                         loadMoreHeadlines();
 415                                         }
 416                                 } catch (e) {
 417                                         console.warn(e);
 418                                 } */
 419
 420                                 //headlines_scroll_handler($("headlines-frame"));
 421
 422                                 return;
 423                         }
 424                 }
 425
 426                 last_requested_article = id;
 427
 428                 console.log(query);
 429
 430                 if (article_is_unread) {
 431                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 432                 }
 433
 434                 new Ajax.Request("backend.php", {
 435                         parameters: query,
 436                         onComplete: function(transport) {
 437                                 article_callback2(transport, id);
 438                         } });
 439
 440                 return false;
 441
 442         } catch (e) {
 443                 exception_error("view", e);
 444         }
 445 }
 446
 447 function toggleMark(id, client_only) {
 448         try {
 449                 var query = "?op=rpc&id=" + id + "&method=mark";
 450
 451                 var img = $("FMPIC-" + id);
 452
 453                 if (!img) return;
 454
 455                 if (img.src.match("mark_unset")) {
 456                         img.src = img.src.replace("mark_unset", "mark_set");
 457                         img.alt = __("Unstar article");
 458                         query = query + "&mark=1";
 459
 460                 } else {
 461                         img.src = img.src.replace("mark_set", "mark_unset");
 462                         img.alt = __("Star article");
 463                         query = query + "&mark=0";
 464                 }
 465
 466                 if (!client_only) {
 467                         new Ajax.Request("backend.php", {
 468                                 parameters: query,
 469                                 onComplete: function(transport) {
 470                                         handle_rpc_json(transport);
 471                                 } });
 472                 }
 473
 474         } catch (e) {
 475                 exception_error("toggleMark", e);
 476         }
 477 }
 478
 479 function togglePub(id, client_only, no_effects, note) {
 480         try {
 481                 var query = "?op=rpc&id=" + id + "&method=publ";
 482
 483                 if (note != undefined) {
 484                         query = query + "&note=" + param_escape(note);
 485                 } else {
 486                         query = query + "&note=undefined";
 487                 }
 488
 489                 var img = $("FPPIC-" + id);
 490
 491                 if (!img) return;
 492
 493                 if (img.src.match("pub_unset") || note != undefined) {
 494                         img.src = img.src.replace("pub_unset", "pub_set");
 495                         img.alt = __("Unpublish article");
 496                         query = query + "&pub=1";
 497
 498                 } else {
 499                         img.src = img.src.replace("pub_set", "pub_unset");
 500                         img.alt = __("Publish article");
 501
 502                         query = query + "&pub=0";
 503                 }
 504
 505                 if (!client_only) {
 506                         new Ajax.Request("backend.php", {
 507                                 parameters: query,
 508                                 onComplete: function(transport) {
 509                                         handle_rpc_json(transport);
 510                                 } });
 511                 }
 512
 513         } catch (e) {
 514                 exception_error("togglePub", e);
 515         }
 516 }
 517
 518 function moveToPost(mode, noscroll, noexpand) {
 519
 520         try {
 521
 522                 var rows = getVisibleArticleIds();
 523
 524                 var prev_id = false;
 525                 var next_id = false;
 526
 527                 if (!$('RROW-' + getActiveArticleId())) {
 528                         setActiveArticleId(0);
 529                 }
 530
 531                 if (!getActiveArticleId()) {
 532                         next_id = rows[0];
 533                         prev_id = rows[rows.length-1]
 534                 } else {
 535                         for (var i = 0; i < rows.length; i++) {
 536                                 if (rows[i] == getActiveArticleId()) {
 537
 538                                         // Account for adjacent identical article ids.
 539                                         if (i > 0) prev_id = rows[i-1];
 540
 541                                         for (var j = i+1; j < rows.length; j++) {
 542                                                 if (rows[j] != getActiveArticleId()) {
 543                                                         next_id = rows[j];
 544                                                         break;
 545                                                 }
 546                                         }
 547                                         break;
 548                                 }
 549                         }
 550                 }
 551
 552                 if (mode == "next") {
 553                         if (next_id || getActiveArticleId()) {
 554                                 if (isCdmMode()) {
 555
 556                                         var article = $("RROW-" + getActiveArticleId());
 557                                         var ctr = $("headlines-frame");
 558
 559                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 560                                                         ctr.scrollTop + ctr.offsetHeight) {
 561
 562                                                 scrollArticle(ctr.offsetHeight/4);
 563
 564                                         } else if (next_id) {
 565                                                 cdmExpandArticle(next_id, noexpand);
 566                                                 cdmScrollToArticleId(next_id, true);
 567                                         }
 568
 569                                 } else if (next_id) {
 570                                         correctHeadlinesOffset(next_id);
 571                                         view(next_id, getActiveFeedId(), noexpand);
 572                                 }
 573                         }
 574                 }
 575
 576                 if (mode == "prev") {
 577                         if (prev_id || getActiveArticleId()) {
 578                                 if (isCdmMode()) {
 579
 580                                         var article = $("RROW-" + getActiveArticleId());
 581                                         var prev_article = $("RROW-" + prev_id);
 582                                         var ctr = $("headlines-frame");
 583
 584                                         if (!getInitParam("cdm_expanded")) {
 585
 586                                                 if (!noscroll && article.offsetTop < ctr.scrollTop) {
 587                                                         scrollArticle(-ctr.offsetHeight/4);
 588                                                 } else {
 589                                                         cdmExpandArticle(prev_id, noexpand);
 590                                                         cdmScrollToArticleId(prev_id, true);
 591                                                 }
 592                                         } else {
 593
 594                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 595                                                         scrollArticle(-ctr.offsetHeight/3);
 596                                                 } else if (!noscroll && prev_article &&
 597                                                                 prev_article.offsetTop < ctr.scrollTop) {
 598                                                         cdmExpandArticle(prev_id, noexpand);
 599                                                         scrollArticle(-ctr.offsetHeight/4);
 600                                                 } else if (prev_id) {
 601                                                         cdmExpandArticle(prev_id, noexpand);
 602                                                         cdmScrollToArticleId(prev_id, noscroll);
 603                                                 }
 604                                         }
 605
 606                                 } else if (prev_id) {
 607                                         correctHeadlinesOffset(prev_id);
 608                                         view(prev_id, getActiveFeedId(), noexpand);
 609                                 }
 610                         }
 611                 }
 612
 613         } catch (e) {
 614                 exception_error("moveToPost", e);
 615         }
 616 }
 617
 618 function toggleSelected(id, force_on) {
 619         try {
 620
 621                 var cb = dijit.byId("RCHK-" + id);
 622                 var row = $("RROW-" + id);
 623
 624                 if (row) {
 625                         if (row.hasClassName('Selected') && !force_on) {
 626                                 row.removeClassName('Selected');
 627                                 if (cb) cb.attr("checked", false);
 628                         } else {
 629                                 row.addClassName('Selected');
 630                                 if (cb) cb.attr("checked", true);
 631                         }
 632                 }
 633         } catch (e) {
 634                 exception_error("toggleSelected", e);
 635         }
 636 }
 637
 638 function toggleUnread_afh(effect) {
 639         try {
 640
 641                 var elem = effect.element;
 642                 elem.style.backgroundColor = "";
 643
 644         } catch (e) {
 645                 exception_error("toggleUnread_afh", e);
 646         }
 647 }
 648
 649 function toggleUnread(id, cmode, effect) {
 650         try {
 651
 652                 var row = $("RROW-" + id);
 653                 if (row) {
 654                         if (cmode == undefined || cmode == 2) {
 655                                 if (row.hasClassName("Unread")) {
 656                                         row.removeClassName("Unread");
 657
 658                                 } else {
 659                                         row.addClassName("Unread");
 660                                 }
 661
 662                         } else if (cmode == 0) {
 663
 664                                 row.removeClassName("Unread");
 665
 666                         } else if (cmode == 1) {
 667                                 row.addClassName("Unread");
 668                         }
 669
 670                         if (cmode == undefined) cmode = 2;
 671
 672                         var query = "?op=rpc&method=catchupSelected" +
 673                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 674
 675 //                      notify_progress("Loading, please wait...");
 676
 677                         new Ajax.Request("backend.php", {
 678                                 parameters: query,
 679                                 onComplete: function(transport) {
 680                                         handle_rpc_json(transport);
 681                                 } });
 682
 683                 }
 684
 685         } catch (e) {
 686                 exception_error("toggleUnread", e);
 687         }
 688 }
 689
 690 function selectionRemoveLabel(id, ids) {
 691         try {
 692
 693                 if (!ids) ids = getSelectedArticleIds2();
 694
 695                 if (ids.length == 0) {
 696                         alert(__("No articles are selected."));
 697                         return;
 698                 }
 699
 700                 var query = "?op=article&method=removeFromLabel&ids=" +
 701                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 702
 703                 console.log(query);
 704
 705                 new Ajax.Request("backend.php", {
 706                         parameters: query,
 707                         onComplete: function(transport) {
 708                                 handle_rpc_json(transport);
 709                                 show_labels_in_headlines(transport);
 710                         } });
 711
 712         } catch (e) {
 713                 exception_error("selectionAssignLabel", e);
 714
 715         }
 716 }
 717
 718 function selectionAssignLabel(id, ids) {
 719         try {
 720
 721                 if (!ids) ids = getSelectedArticleIds2();
 722
 723                 if (ids.length == 0) {
 724                         alert(__("No articles are selected."));
 725                         return;
 726                 }
 727
 728                 var query = "?op=article&method=assignToLabel&ids=" +
 729                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 730
 731                 console.log(query);
 732
 733                 new Ajax.Request("backend.php", {
 734                         parameters: query,
 735                         onComplete: function(transport) {
 736                                 handle_rpc_json(transport);
 737                                 show_labels_in_headlines(transport);
 738                         } });
 739
 740         } catch (e) {
 741                 exception_error("selectionAssignLabel", e);
 742
 743         }
 744 }
 745
 746 function selectionToggleUnread(set_state, callback, no_error, ids) {
 747         try {
 748                 var rows = ids ? ids : getSelectedArticleIds2();
 749
 750                 if (rows.length == 0 && !no_error) {
 751                         alert(__("No articles are selected."));
 752                         return;
 753                 }
 754
 755                 for (var i = 0; i < rows.length; i++) {
 756                         var row = $("RROW-" + rows[i]);
 757                         if (row) {
 758                                 if (set_state == undefined) {
 759                                         if (row.hasClassName("Unread")) {
 760                                                 row.removeClassName("Unread");
 761                                         } else {
 762                                                 row.addClassName("Unread");
 763                                         }
 764                                 }
 765
 766                                 if (set_state == false) {
 767                                         row.removeClassName("Unread");
 768                                 }
 769
 770                                 if (set_state == true) {
 771                                         row.addClassName("Unread");
 772                                 }
 773                         }
 774                 }
 775
 776                 if (rows.length > 0) {
 777
 778                         var cmode = "";
 779
 780                         if (set_state == undefined) {
 781                                 cmode = "2";
 782                         } else if (set_state == true) {
 783                                 cmode = "1";
 784                         } else if (set_state == false) {
 785                                 cmode = "0";
 786                         }
 787
 788                         var query = "?op=rpc&method=catchupSelected" +
 789                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 790
 791                         notify_progress("Loading, please wait...");
 792
 793                         new Ajax.Request("backend.php", {
 794                                 parameters: query,
 795                                 onComplete: function(transport) {
 796                                         handle_rpc_json(transport);
 797                                         if (callback) callback(transport);
 798                                 } });
 799
 800                 }
 801
 802         } catch (e) {
 803                 exception_error("selectionToggleUnread", e);
 804         }
 805 }
 806
 807 // sel_state ignored
 808 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 809         try {
 810
 811                 var rows = ids ? ids : getSelectedArticleIds2();
 812
 813                 if (rows.length == 0 && !no_error) {
 814                         alert(__("No articles are selected."));
 815                         return;
 816                 }
 817
 818                 for (var i = 0; i < rows.length; i++) {
 819                         toggleMark(rows[i], true, true);
 820                 }
 821
 822                 if (rows.length > 0) {
 823
 824                         var query = "?op=rpc&method=markSelected&ids=" +
 825                                 param_escape(rows.toString()) + "&cmode=2";
 826
 827                         new Ajax.Request("backend.php", {
 828                                 parameters: query,
 829                                 onComplete: function(transport) {
 830                                         handle_rpc_json(transport);
 831                                         if (callback) callback(transport);
 832                                 } });
 833
 834                 }
 835
 836         } catch (e) {
 837                 exception_error("selectionToggleMarked", e);
 838         }
 839 }
 840
 841 // sel_state ignored
 842 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 843         try {
 844
 845                 var rows = ids ? ids : getSelectedArticleIds2();
 846
 847                 if (rows.length == 0 && !no_error) {
 848                         alert(__("No articles are selected."));
 849                         return;
 850                 }
 851
 852                 for (var i = 0; i < rows.length; i++) {
 853                         togglePub(rows[i], true, true);
 854                 }
 855
 856                 if (rows.length > 0) {
 857
 858                         var query = "?op=rpc&method=publishSelected&ids=" +
 859                                 param_escape(rows.toString()) + "&cmode=2";
 860
 861                         new Ajax.Request("backend.php", {
 862                                 parameters: query,
 863                                 onComplete: function(transport) {
 864                                         handle_rpc_json(transport);
 865                                 } });
 866
 867                 }
 868
 869         } catch (e) {
 870                 exception_error("selectionToggleMarked", e);
 871         }
 872 }
 873
 874 function getSelectedArticleIds2() {
 875
 876         var rv = [];
 877
 878         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 879                 function(child) {
 880                         rv.push(child.id.replace("RROW-", ""));
 881                 });
 882
 883         return rv;
 884 }
 885
 886 function getLoadedArticleIds() {
 887         var rv = [];
 888
 889         var children = $$("#headlines-frame > div[id*=RROW-]");
 890
 891         children.each(function(child) {
 892                         rv.push(child.id.replace("RROW-", ""));
 893                 });
 894
 895         return rv;
 896
 897 }
 898
 899 // mode = all,none,unread,invert,marked,published
 900 function selectArticles(mode) {
 901         try {
 902
 903                 var children = $$("#headlines-frame > div[id*=RROW]");
 904
 905                 children.each(function(child) {
 906                         var id = child.id.replace("RROW-", "");
 907                         var cb = dijit.byId("RCHK-" + id);
 908
 909                         if (mode == "all") {
 910                                 child.addClassName("Selected");
 911                                 if (cb) cb.attr("checked", true);
 912                         } else if (mode == "unread") {
 913                                 if (child.hasClassName("Unread")) {
 914                                         child.addClassName("Selected");
 915                                         if (cb) cb.attr("checked", true);
 916                                 } else {
 917                                         child.removeClassName("Selected");
 918                                         if (cb) cb.attr("checked", false);
 919                                 }
 920                         } else if (mode == "marked") {
 921                                 var img = $("FMPIC-" + child.id.replace("RROW-", ""));
 922
 923                                 if (img && img.src.match("mark_set")) {
 924                                         child.addClassName("Selected");
 925                                         if (cb) cb.attr("checked", true);
 926                                 } else {
 927                                         child.removeClassName("Selected");
 928                                         if (cb) cb.attr("checked", false);
 929                                 }
 930                         } else if (mode == "published") {
 931                                 var img = $("FPPIC-" + child.id.replace("RROW-", ""));
 932
 933                                 if (img && img.src.match("pub_set")) {
 934                                         child.addClassName("Selected");
 935                                         if (cb) cb.attr("checked", true);
 936                                 } else {
 937                                         child.removeClassName("Selected");
 938                                         if (cb) cb.attr("checked", false);
 939                                 }
 940
 941                         } else if (mode == "invert") {
 942                                 if (child.hasClassName("Selected")) {
 943                                         child.removeClassName("Selected");
 944                                         if (cb) cb.attr("checked", false);
 945                                 } else {
 946                                         child.addClassName("Selected");
 947                                         if (cb) cb.attr("checked", true);
 948                                 }
 949
 950                         } else {
 951                                 child.removeClassName("Selected");
 952                                 if (cb) cb.attr("checked", false);
 953                         }
 954                 });
 955
 956         } catch (e) {
 957                 exception_error("selectArticles", e);
 958         }
 959 }
 960
 961 function deleteSelection() {
 962
 963         try {
 964
 965                 var rows = getSelectedArticleIds2();
 966
 967                 if (rows.length == 0) {
 968                         alert(__("No articles are selected."));
 969                         return;
 970                 }
 971
 972                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 973                 var str;
 974
 975                 if (getActiveFeedId() != 0) {
 976                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
 977                 } else {
 978                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
 979                 }
 980
 981                 str = str.replace("%d", rows.length);
 982                 str = str.replace("%s", fn);
 983
 984                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 985                         return;
 986                 }
 987
 988                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
 989
 990                 console.log(query);
 991
 992                 new Ajax.Request("backend.php", {
 993                         parameters: query,
 994                         onComplete: function(transport) {
 995                                         handle_rpc_json(transport);
 996                                         viewCurrentFeed();
 997                                 } });
 998
 999         } catch (e) {
1000                 exception_error("deleteSelection", e);
1001         }
1002 }
1003
1004 function archiveSelection() {
1005
1006         try {
1007
1008                 var rows = getSelectedArticleIds2();
1009
1010                 if (rows.length == 0) {
1011                         alert(__("No articles are selected."));
1012                         return;
1013                 }
1014
1015                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1016                 var str;
1017                 var op;
1018
1019                 if (getActiveFeedId() != 0) {
1020                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1021                         op = "archive";
1022                 } else {
1023                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1024
1025                         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
1026
1027                         op = "unarchive";
1028                 }
1029
1030                 str = str.replace("%d", rows.length);
1031                 str = str.replace("%s", fn);
1032
1033                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1034                         return;
1035                 }
1036
1037                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1038
1039                 console.log(query);
1040
1041                 for (var i = 0; i < rows.length; i++) {
1042                         cache_delete("article:" + rows[i]);
1043                 }
1044
1045                 new Ajax.Request("backend.php", {
1046                         parameters: query,
1047                         onComplete: function(transport) {
1048                                         handle_rpc_json(transport);
1049                                         viewCurrentFeed();
1050                                 } });
1051
1052         } catch (e) {
1053                 exception_error("archiveSelection", e);
1054         }
1055 }
1056
1057 function catchupSelection() {
1058
1059         try {
1060
1061                 var rows = getSelectedArticleIds2();
1062
1063                 if (rows.length == 0) {
1064                         alert(__("No articles are selected."));
1065                         return;
1066                 }
1067
1068                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1069
1070                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1071
1072                 str = str.replace("%d", rows.length);
1073                 str = str.replace("%s", fn);
1074
1075                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1076                         return;
1077                 }
1078
1079                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1080
1081         } catch (e) {
1082                 exception_error("catchupSelection", e);
1083         }
1084 }
1085
1086 function editArticleTags(id) {
1087                 var query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
1088
1089                 if (dijit.byId("editTagsDlg"))
1090                         dijit.byId("editTagsDlg").destroyRecursive();
1091
1092                 dialog = new dijit.Dialog({
1093                         id: "editTagsDlg",
1094                         title: __("Edit article Tags"),
1095                         style: "width: 600px",
1096                         execute: function() {
1097                                 if (this.validate()) {
1098                                         var query = dojo.objectToQuery(this.attr('value'));
1099
1100                                         notify_progress("Saving article tags...", true);
1101
1102                                         new Ajax.Request("backend.php", {
1103                                         parameters: query,
1104                                         onComplete: function(transport) {
1105                                                 try {
1106                                                         notify('');
1107                                                         dialog.hide();
1108
1109                                                         var data = JSON.parse(transport.responseText);
1110
1111                                                         if (data) {
1112                                                                 var id = data.id;
1113
1114                                                                 console.log(id);
1115
1116                                                                 var tags = $("ATSTR-" + id);
1117                                                                 var tooltip = dijit.byId("ATSTRTIP-" + id);
1118
1119                                                                 if (tags) tags.innerHTML = data.content;
1120                                                                 if (tooltip) tooltip.attr('label', data.content_full);
1121                                                         }
1122                                                 } catch (e) {
1123                                                         exception_error("editArticleTags/inner", e);
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=article&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
1154                         // expanded cdm has a 4px margin now
1155                         ctr.scrollTop = parseInt(e.offsetTop) - 4;
1156                 }
1157
1158         } catch (e) {
1159                 exception_error("cdmScrollToArticleId", e);
1160         }
1161 }
1162
1163 function setActiveArticleId(id) {
1164         _active_article_id = id;
1165 }
1166
1167 function getActiveArticleId() {
1168         return _active_article_id;
1169 }
1170
1171 function postMouseIn(e, id) {
1172         post_under_pointer = id;
1173 }
1174
1175 function postMouseOut(id) {
1176         post_under_pointer = false;
1177 }
1178
1179 function unpackVisibleHeadlines() {
1180         try {
1181                 if (!isCdmMode()) return;
1182
1183                 $$("#headlines-frame > div[id*=RROW]").each(
1184                         function(child) {
1185                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1186                                         $("headlines-frame").offsetHeight) {
1187
1188                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1189
1190                                         if (cencw) {
1191                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1192                                                 cencw.setAttribute('id', '');
1193                                                 Element.show(cencw);
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                         // let's get DOM some time to settle down
1230                         var ts = new Date().getTime();
1231                         if (ts - _last_headlines_update < 100) return;
1232
1233                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1234                                 function(child) {
1235                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1236                                                         (child.offsetTop + child.offsetHeight/2)) {
1237
1238                                                 var id = child.id.replace("RROW-", "");
1239
1240                                                 if (catchup_id_batch.indexOf(id) == -1)
1241                                                         catchup_id_batch.push(id);
1242
1243                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1244                                         }
1245                                 });
1246
1247                         if (catchup_id_batch.length > 0) {
1248                                 window.clearTimeout(catchup_timeout_id);
1249
1250                                 if (!_infscroll_request_sent) {
1251                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1252                                                 500);
1253                                 }
1254                         }
1255                 }
1256
1257         } catch (e) {
1258                 console.warn("headlines_scroll_handler: " + e);
1259         }
1260 }
1261
1262 function catchupBatchedArticles() {
1263         try {
1264                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1265
1266                         // make a copy of the array
1267                         var batch = catchup_id_batch.slice();
1268                         var query = "?op=rpc&method=catchupSelected" +
1269                                 "&cmode=0&ids=" + param_escape(batch.toString());
1270
1271                         console.log(query);
1272
1273                         new Ajax.Request("backend.php", {
1274                                 parameters: query,
1275                                 onComplete: function(transport) {
1276                                         handle_rpc_json(transport);
1277
1278                                         reply = JSON.parse(transport.responseText);
1279                                         var batch = reply.ids;
1280
1281                                         batch.each(function(id) {
1282                                                 console.log(id);
1283                                                 var elem = $("RROW-" + id);
1284                                                 if (elem) elem.removeClassName("Unread");
1285                                                 catchup_id_batch.remove(id);
1286                                         });
1287
1288                                 } });
1289                 }
1290
1291         } catch (e) {
1292                 exception_error("catchupBatchedArticles", e);
1293         }
1294 }
1295
1296 function catchupRelativeToArticle(below, id) {
1297
1298         try {
1299
1300                 if (!id) id = getActiveArticleId();
1301
1302                 if (!id) {
1303                         alert(__("No article is selected."));
1304                         return;
1305                 }
1306
1307                 var visible_ids = getVisibleArticleIds();
1308
1309                 var ids_to_mark = new Array();
1310
1311                 if (!below) {
1312                         for (var i = 0; i < visible_ids.length; i++) {
1313                                 if (visible_ids[i] != id) {
1314                                         var e = $("RROW-" + visible_ids[i]);
1315
1316                                         if (e && e.hasClassName("Unread")) {
1317                                                 ids_to_mark.push(visible_ids[i]);
1318                                         }
1319                                 } else {
1320                                         break;
1321                                 }
1322                         }
1323                 } else {
1324                         for (var i = visible_ids.length-1; i >= 0; i--) {
1325                                 if (visible_ids[i] != id) {
1326                                         var e = $("RROW-" + visible_ids[i]);
1327
1328                                         if (e && e.hasClassName("Unread")) {
1329                                                 ids_to_mark.push(visible_ids[i]);
1330                                         }
1331                                 } else {
1332                                         break;
1333                                 }
1334                         }
1335                 }
1336
1337                 if (ids_to_mark.length == 0) {
1338                         alert(__("No articles found to mark"));
1339                 } else {
1340                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1341
1342                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1343
1344                                 for (var i = 0; i < ids_to_mark.length; i++) {
1345                                         var e = $("RROW-" + ids_to_mark[i]);
1346                                         e.removeClassName("Unread");
1347                                 }
1348
1349                                 var query = "?op=rpc&method=catchupSelected" +
1350                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1351
1352                                 new Ajax.Request("backend.php", {
1353                                         parameters: query,
1354                                         onComplete: function(transport) {
1355                                                 handle_rpc_json(transport);
1356                                         } });
1357
1358                         }
1359                 }
1360
1361         } catch (e) {
1362                 exception_error("catchupRelativeToArticle", e);
1363         }
1364 }
1365
1366 function cdmCollapseArticle(event, id) {
1367         try {
1368                 var row = $("RROW-" + id);
1369                 var elem = $("CICD-" + id);
1370
1371                 if (elem && row) {
1372                         var collapse = $$("div#RROW-" + id +
1373                                 " span[class='collapseBtn']")[0];
1374
1375                         Element.hide(elem);
1376                         Element.show("CEXC-" + id);
1377                         Element.hide(collapse);
1378                         row.removeClassName("active");
1379
1380                         markHeadline(id, false);
1381
1382                         if (id == getActiveArticleId()) {
1383                                 setActiveArticleId(0);
1384                         }
1385
1386                         if (event) Event.stop(event);
1387                 }
1388
1389         } catch (e) {
1390                 exception_error("cdmCollapseArticle", e);
1391         }
1392 }
1393
1394 function cdmUnexpandArticle(event, id) {
1395         try {
1396                 var row = $("RROW-" + id);
1397                 var elem = $("CICD-" + id);
1398
1399                 if (elem && row) {
1400                         var collapse = $$("div#RROW-" + id +
1401                                 " span[class='collapseBtn']")[0];
1402
1403                         Element.hide(elem);
1404                         Element.show("CEXC-" + id);
1405                         Element.hide(collapse);
1406
1407                         if (event) Event.stop(event);
1408                 }
1409
1410         } catch (e) {
1411                 exception_error("cdmUnexpandArticle", e);
1412         }
1413 }
1414
1415 function cdmExpandArticle(id, noexpand) {
1416         try {
1417                 console.log("cdmExpandArticle " + id);
1418
1419                 if (!$("RROW-" + id)) return false;
1420
1421                 var oldrow = $("RROW-" + getActiveArticleId());
1422
1423                 var elem = $("CICD-" + getActiveArticleId());
1424
1425                 if (id == getActiveArticleId() && Element.visible(elem))
1426                         return true;
1427
1428                 selectArticles("none");
1429
1430                 var old_offset = $("RROW-" + id).offsetTop;
1431
1432                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1433                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1434                                 " span[class='collapseBtn']")[0];
1435
1436                         Element.hide(elem);
1437                         Element.show("CEXC-" + getActiveArticleId());
1438                         Element.hide(collapse);
1439                 }
1440
1441                 if (oldrow) oldrow.removeClassName("active");
1442
1443                 setActiveArticleId(id);
1444
1445                 elem = $("CICD-" + id);
1446
1447                 var collapse = $$("div#RROW-" + id +
1448                                 " span[class='collapseBtn']")[0];
1449
1450                 var cencw = $("CENCW-" + id);
1451
1452                 if (!Element.visible(elem) && !noexpand) {
1453                         if (cencw) {
1454                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1455                                 cencw.setAttribute('id', '');
1456                                 Element.show(cencw);
1457                         }
1458
1459                         Element.show(elem);
1460                         Element.hide("CEXC-" + id);
1461                         Element.show(collapse);
1462                 }
1463
1464                 var new_offset = $("RROW-" + id).offsetTop;
1465
1466                 if (old_offset > new_offset)
1467                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1468
1469                 if (!noexpand)
1470                         toggleUnread(id, 0, true);
1471                 toggleSelected(id);
1472                 $("RROW-" + id).addClassName("active");
1473
1474         } catch (e) {
1475                 exception_error("cdmExpandArticle", e);
1476         }
1477
1478         return false;
1479 }
1480
1481 function fixHeadlinesOrder(ids) {
1482         try {
1483                 for (var i = 0; i < ids.length; i++) {
1484                         var e = $("RROW-" + ids[i]);
1485
1486                         if (e) {
1487                                 if (i % 2 == 0) {
1488                                         e.removeClassName("even");
1489                                         e.addClassName("odd");
1490                                 } else {
1491                                         e.removeClassName("odd");
1492                                         e.addClassName("even");
1493                                 }
1494                         }
1495                 }
1496         } catch (e) {
1497                 exception_error("fixHeadlinesOrder", e);
1498         }
1499 }
1500
1501 function getArticleUnderPointer() {
1502         return post_under_pointer;
1503 }
1504
1505 function scrollArticle(offset) {
1506         try {
1507                 if (!isCdmMode()) {
1508                         var ci = $("content-insert");
1509                         if (ci) {
1510                                 ci.scrollTop += offset;
1511                         }
1512                 } else {
1513                         var hi = $("headlines-frame");
1514                         if (hi) {
1515                                 hi.scrollTop += offset;
1516                         }
1517
1518                 }
1519         } catch (e) {
1520                 exception_error("scrollArticle", e);
1521         }
1522 }
1523
1524 function show_labels_in_headlines(transport) {
1525         try {
1526                 var data = JSON.parse(transport.responseText);
1527
1528                 if (data) {
1529                         data['info-for-headlines'].each(function(elem) {
1530                                 var ctr = $("HLLCTR-" + elem.id);
1531
1532                                 if (ctr) ctr.innerHTML = elem.labels;
1533                         });
1534                 }
1535         } catch (e) {
1536                 exception_error("show_labels_in_headlines", e);
1537         }
1538 }
1539
1540 function dismissArticle(id) {
1541         try {
1542                 var elem = $("RROW-" + id);
1543
1544                 if (!elem) return;
1545
1546                 toggleUnread(id, 0, true);
1547
1548                 new Effect.Fade(elem, {duration : 0.5});
1549
1550                 if (id == getActiveArticleId()) {
1551                         setActiveArticleId(0);
1552                 }
1553
1554         } catch (e) {
1555                 exception_error("dismissArticle", e);
1556         }
1557 }
1558
1559 function dismissSelectedArticles() {
1560         try {
1561
1562                 var ids = getVisibleArticleIds();
1563                 var tmp = [];
1564                 var sel = [];
1565
1566                 for (var i = 0; i < ids.length; i++) {
1567                         var elem = $("RROW-" + ids[i]);
1568
1569                         if (elem.className && elem.hasClassName("Selected") &&
1570                                         ids[i] != getActiveArticleId()) {
1571                                 new Effect.Fade(elem, {duration : 0.5});
1572                                 sel.push(ids[i]);
1573                         } else {
1574                                 tmp.push(ids[i]);
1575                         }
1576                 }
1577
1578                 if (sel.length > 0)
1579                         selectionToggleUnread(false);
1580
1581                 fixHeadlinesOrder(tmp);
1582
1583         } catch (e) {
1584                 exception_error("dismissSelectedArticles", e);
1585         }
1586 }
1587
1588 function dismissReadArticles() {
1589         try {
1590
1591                 var ids = getVisibleArticleIds();
1592                 var tmp = [];
1593
1594                 for (var i = 0; i < ids.length; i++) {
1595                         var elem = $("RROW-" + ids[i]);
1596
1597                         if (elem.className && !elem.hasClassName("Unread") &&
1598                                         !elem.hasClassName("Selected")) {
1599
1600                                 new Effect.Fade(elem, {duration : 0.5});
1601                         } else {
1602                                 tmp.push(ids[i]);
1603                         }
1604                 }
1605
1606                 fixHeadlinesOrder(tmp);
1607
1608         } catch (e) {
1609                 exception_error("dismissSelectedArticles", e);
1610         }
1611 }
1612
1613 function getVisibleArticleIds() {
1614         var ids = [];
1615
1616         try {
1617
1618                 getLoadedArticleIds().each(function(id) {
1619                         var elem = $("RROW-" + id);
1620                         if (elem && Element.visible(elem))
1621                                 ids.push(id);
1622                         });
1623
1624         } catch (e) {
1625                 exception_error("getVisibleArticleIds", e);
1626         }
1627
1628         return ids;
1629 }
1630
1631 function cdmClicked(event, id) {
1632         try {
1633                 //var shift_key = event.shiftKey;
1634
1635                 if (!event.ctrlKey) {
1636
1637                         if (!getInitParam("cdm_expanded")) {
1638                                 return cdmExpandArticle(id);
1639                         } else {
1640
1641                                 var elem = $("RROW-" + getActiveArticleId());
1642
1643                                 if (elem) elem.removeClassName("active");
1644
1645                                 selectArticles("none");
1646                                 toggleSelected(id);
1647
1648                                 var elem = $("RROW-" + id);
1649                                 var article_is_unread = elem.hasClassName("Unread");
1650
1651                                 elem.removeClassName("Unread");
1652                                 elem.addClassName("active");
1653
1654                                 setActiveArticleId(id);
1655
1656                                 if (article_is_unread) {
1657                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1658                                 }
1659
1660                                 var query = "?op=rpc&method=catchupSelected" +
1661                                         "&cmode=0&ids=" + param_escape(id);
1662
1663                                 new Ajax.Request("backend.php", {
1664                                         parameters: query,
1665                                         onComplete: function(transport) {
1666                                                 handle_rpc_json(transport);
1667                                         } });
1668
1669                                 return !event.shiftKey;
1670                         }
1671
1672                 } else {
1673                         toggleSelected(id, true);
1674
1675                         var elem = $("RROW-" + id);
1676                         var article_is_unread = elem.hasClassName("Unread");
1677
1678                         if (article_is_unread) {
1679                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1680                         }
1681
1682                         toggleUnread(id, 0, false);
1683
1684                         openArticleInNewWindow(id);
1685                 }
1686
1687                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1688                 request_counters(unread_in_buffer == 0);
1689
1690         } catch (e) {
1691                 exception_error("cdmClicked");
1692         }
1693
1694         return false;
1695 }
1696
1697 function hlClicked(event, id) {
1698         try {
1699                 if (event.which == 2) {
1700                         view(id);
1701                         return true;
1702                 } else if (event.ctrlKey) {
1703                         toggleSelected(id, true);
1704                         toggleUnread(id, 0, false);
1705                         openArticleInNewWindow(id);
1706                         return false;
1707                 } else {
1708                         view(id);
1709                         return false;
1710                 }
1711
1712         } catch (e) {
1713                 exception_error("hlClicked");
1714         }
1715 }
1716
1717 function getFirstVisibleHeadlineId() {
1718         var rows = getVisibleArticleIds();
1719         return rows[0];
1720
1721 }
1722
1723 function getLastVisibleHeadlineId() {
1724         var rows = getVisibleArticleIds();
1725         return rows[rows.length-1];
1726 }
1727
1728 function openArticleInNewWindow(id) {
1729         toggleUnread(id, 0, false);
1730         window.open("backend.php?op=article&method=redirect&id=" + id);
1731 }
1732
1733 function isCdmMode() {
1734         return getInitParam("combined_display_mode");
1735 }
1736
1737 function markHeadline(id, marked) {
1738         if (marked == undefined) marked = true;
1739
1740         var row = $("RROW-" + id);
1741         if (row) {
1742                 var check = dijit.byId("RCHK-" + id);
1743
1744                 if (check) {
1745                         check.attr("checked", marked);
1746                 }
1747
1748                 if (marked)
1749                         row.addClassName("Selected");
1750                 else
1751                         row.removeClassName("Selected");
1752         }
1753 }
1754
1755 function getRelativePostIds(id, limit) {
1756
1757         var tmp = [];
1758
1759         try {
1760
1761                 if (!limit) limit = 6; //3
1762
1763                 var ids = getVisibleArticleIds();
1764
1765                 for (var i = 0; i < ids.length; i++) {
1766                         if (ids[i] == id) {
1767                                 for (var k = 1; k <= limit; k++) {
1768                                         //if (i > k-1) tmp.push(ids[i-k]);
1769                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1770                                 }
1771                                 break;
1772                         }
1773                 }
1774
1775         } catch (e) {
1776                 exception_error("getRelativePostIds", e);
1777         }
1778
1779         return tmp;
1780 }
1781
1782 function correctHeadlinesOffset(id) {
1783
1784         try {
1785
1786                 var container = $("headlines-frame");
1787                 var row = $("RROW-" + id);
1788
1789                 if (!container || !row) return;
1790
1791                 var viewport = container.offsetHeight;
1792
1793                 var rel_offset_top = row.offsetTop - container.scrollTop;
1794                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1795
1796                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1797                 //console.log("Vport: " + viewport);
1798
1799                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1800                         container.scrollTop = row.offsetTop;
1801                 } else if (rel_offset_bottom > viewport) {
1802
1803                         /* doesn't properly work with Opera in some cases because
1804                                 Opera fucks up element scrolling */
1805
1806                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1807                 }
1808
1809         } catch (e) {
1810                 exception_error("correctHeadlinesOffset", e);
1811         }
1812
1813 }
1814
1815 function headlineActionsChange(elem) {
1816         try {
1817                 eval(elem.value);
1818                 elem.attr('value', 'false');
1819         } catch (e) {
1820                 exception_error("headlineActionsChange", e);
1821         }
1822 }
1823
1824 function closeArticlePanel() {
1825
1826         if (dijit.byId("content-insert"))
1827                 dijit.byId("headlines-wrap-inner").removeChild(
1828                         dijit.byId("content-insert"));
1829 }
1830
1831 function initHeadlinesMenu() {
1832         try {
1833                 if (dijit.byId("headlinesMenu"))
1834                         dijit.byId("headlinesMenu").destroyRecursive();
1835
1836                 var ids = [];
1837
1838                 if (!isCdmMode()) {
1839                         nodes = $$("#headlines-frame > div[id*=RROW]");
1840                 } else {
1841                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1842                 }
1843
1844                 nodes.each(function(node) {
1845                         ids.push(node.id);
1846                 });
1847
1848                 var menu = new dijit.Menu({
1849                         id: "headlinesMenu",
1850                         targetNodeIds: ids,
1851                 });
1852
1853                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1854                         var callerNode = event.target, match = null, tries = 0;
1855
1856                         while (match == null && callerNode && tries <= 3) {
1857                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1858                                 callerNode = callerNode.parentNode;
1859                                 ++tries;
1860                         }
1861
1862                         if (match) this.callerRowId = parseInt(match[1]);
1863
1864                 });
1865
1866 /*              if (!isCdmMode())
1867                         menu.addChild(new dijit.MenuItem({
1868                                 label: __("View article"),
1869                                 onClick: function(event) {
1870                                         view(this.getParent().callerRowId);
1871                                 }})); */
1872
1873                 menu.addChild(new dijit.MenuItem({
1874                         label: __("Open original article"),
1875                         onClick: function(event) {
1876                                 openArticleInNewWindow(this.getParent().callerRowId);
1877                         }}));
1878
1879                 menu.addChild(new dijit.MenuItem({
1880                         label: __("Display article URL"),
1881                         onClick: function(event) {
1882                                 displayArticleUrl(this.getParent().callerRowId);
1883                         }}));
1884
1885                 menu.addChild(new dijit.MenuSeparator());
1886
1887                 menu.addChild(new dijit.MenuItem({
1888                         label: __("Toggle unread"),
1889                         onClick: function(event) {
1890                                 var ids = getSelectedArticleIds2();
1891                                 // cast to string
1892                                 var id = this.getParent().callerRowId + "";
1893                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1894
1895                                 selectionToggleUnread(undefined, false, true, ids);
1896                                 }}));
1897
1898                 menu.addChild(new dijit.MenuItem({
1899                         label: __("Toggle marked"),
1900                         onClick: function(event) {
1901                                 var ids = getSelectedArticleIds2();
1902                                 // cast to string
1903                                 var id = this.getParent().callerRowId + "";
1904                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1905
1906                                 selectionToggleMarked(undefined, false, true, ids);
1907                                 }}));
1908
1909                 menu.addChild(new dijit.MenuItem({
1910                         label: __("Toggle published"),
1911                         onClick: function(event) {
1912                                 var ids = getSelectedArticleIds2();
1913                                 // cast to string
1914                                 var id = this.getParent().callerRowId + "";
1915                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1916
1917                                 selectionTogglePublished(undefined, false, true, ids);
1918                                 }}));
1919
1920                 menu.addChild(new dijit.MenuSeparator());
1921
1922                 menu.addChild(new dijit.MenuItem({
1923                         label: __("Mark above as read"),
1924                         onClick: function(event) {
1925                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1926                                 }}));
1927
1928                 menu.addChild(new dijit.MenuItem({
1929                         label: __("Mark below as read"),
1930                         onClick: function(event) {
1931                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1932                                 }}));
1933
1934
1935                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1936
1937                 if (labels) {
1938
1939                         menu.addChild(new dijit.MenuSeparator());
1940
1941                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1942                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1943
1944                         labels.each(function(label) {
1945                                 var id = label.id[0];
1946                                 var bare_id = id.substr(id.indexOf(":")+1);
1947                                 var name = label.name[0];
1948
1949                                 bare_id = feed_to_label_id(bare_id);
1950
1951                                 labelAddMenu.addChild(new dijit.MenuItem({
1952                                         label: name,
1953                                         labelId: bare_id,
1954                                         onClick: function(event) {
1955                                                 var ids = getSelectedArticleIds2();
1956                                                 // cast to string
1957                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1958
1959                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1960
1961                                                 selectionAssignLabel(this.labelId, ids);
1962                                 }}));
1963
1964                                 labelDelMenu.addChild(new dijit.MenuItem({
1965                                         label: name,
1966                                         labelId: bare_id,
1967                                         onClick: function(event) {
1968                                                 var ids = getSelectedArticleIds2();
1969                                                 // cast to string
1970                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1971
1972                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1973
1974                                                 selectionRemoveLabel(this.labelId, ids);
1975                                 }}));
1976
1977                         });
1978
1979                         menu.addChild(new dijit.PopupMenuItem({
1980                                 label: __("Assign label"),
1981                                 popup: labelAddMenu,
1982                         }));
1983
1984                         menu.addChild(new dijit.PopupMenuItem({
1985                                 label: __("Remove label"),
1986                                 popup: labelDelMenu,
1987                         }));
1988
1989                 }
1990
1991                 menu.startup();
1992
1993         } catch (e) {
1994                 exception_error("initHeadlinesMenu", e);
1995         }
1996 }
1997
1998
1999 function player(elem) {
2000         var aid = elem.getAttribute("audio-id");
2001         var status = elem.getAttribute("status");
2002
2003         var audio = $(aid);
2004
2005         if (audio) {
2006                 if (status == 0) {
2007                         audio.play();
2008                         status = 1;
2009                         elem.innerHTML = __("Playing...");
2010                         elem.title = __("Click to pause");
2011                         elem.addClassName("playing");
2012                 } else {
2013                         audio.pause();
2014                         status = 0;
2015                         elem.innerHTML = __("Play");
2016                         elem.title = __("Click to play");
2017                         elem.removeClassName("playing");
2018                 }
2019
2020                 elem.setAttribute("status", status);
2021         } else {
2022                 alert("Your browser doesn't seem to support HTML5 audio.");
2023         }
2024 }
2025
2026 function cache_set(id, obj) {
2027         //console.log("cache_set: " + id);
2028         if (has_storage)
2029                 try {
2030                         sessionStorage[id] = obj;
2031                 } catch (e) {
2032                         sessionStorage.clear();
2033                 }
2034 }
2035
2036 function cache_get(id) {
2037         if (has_storage)
2038                 return sessionStorage[id];
2039 }
2040
2041 function cache_clear() {
2042         if (has_storage)
2043                 sessionStorage.clear();
2044 }
2045
2046 function cache_delete(id) {
2047         if (has_storage)
2048                 sessionStorage.removeItem(id);
2049 }
2050
2051 function cancelSearch() {
2052         try {
2053                 _search_query = "";
2054                 viewCurrentFeed();
2055         } catch (e) {
2056                 exception_error("cancelSearch", e);
2057         }
2058 }
2059
2060 function setSelectionScore() {
2061         try {
2062                 var ids = getSelectedArticleIds2();
2063
2064                 if (ids.length > 0) {
2065                         console.log(ids);
2066
2067                         var score = prompt(__("Please enter new score for selected articles:"), score);
2068
2069                         if (score != undefined) {
2070                                 var query = "op=article&method=setScore&id=" + param_escape(ids.toString()) +
2071                                         "&score=" + param_escape(score);
2072
2073                                 new Ajax.Request("backend.php", {
2074                                         parameters: query,
2075                                         onComplete: function(transport) {
2076                                                 var reply = JSON.parse(transport.responseText);
2077                                                 if (reply) {
2078                                                         console.log(ids);
2079
2080                                                         ids.each(function(id) {
2081                                                                 var row = $("RROW-" + id);
2082
2083                                                                 if (row) {
2084                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2085
2086                                                                         if (pic) {
2087                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2088                                                                                         reply["score_pic"]);
2089                                                                                 pic.setAttribute("score", score);
2090                                                                         }
2091                                                                 }
2092                                                         });
2093                                                 }
2094                                         } });
2095                         }
2096
2097                 } else {
2098                         alert(__("No articles are selected."));
2099                 }
2100         } catch (e) {
2101                 exception_error("setSelectionScore", e);
2102         }
2103 }
2104
2105 function changeScore(id, pic) {
2106         try {
2107                 var score = pic.getAttribute("score");
2108
2109                 var new_score = prompt(__("Please enter new score for this article:"), score);
2110
2111                 if (new_score != undefined) {
2112
2113                         var query = "op=article&method=setScore&id=" + param_escape(id) +
2114                                 "&score=" + param_escape(new_score);
2115
2116                         new Ajax.Request("backend.php", {
2117                                 parameters: query,
2118                                 onComplete: function(transport) {
2119                                         var reply = JSON.parse(transport.responseText);
2120
2121                                         if (reply) {
2122                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2123                                                 pic.setAttribute("score", new_score);
2124                                         }
2125                                 } });
2126                 }
2127         } catch (e) {
2128                 exception_error("changeScore", e);
2129         }
2130 }
2131
2132 function displayArticleUrl(id) {
2133         try {
2134                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2135
2136                         new Ajax.Request("backend.php", {
2137                                 parameters: query,
2138                                 onComplete: function(transport) {
2139                                         var reply = JSON.parse(transport.responseText);
2140
2141                                         if (reply && reply.link) {
2142                                                 prompt(__("Article URL:"), reply.link);
2143                                         }
2144                                 } });
2145         } catch (e) {
2146                 exception_error("changeScore", e);
2147         }
2148 }
2149
2150 function openSelectedAttachment(elem) {
2151         try {
2152                 var url = elem[elem.selectedIndex].value;
2153
2154                 if (url) {
2155                         window.open(url);
2156                         elem.selectedIndex = 0;
2157                 }
2158
2159         } catch (e) {
2160                 exception_error("openSelectedAttachment", e);
2161         }
2162 }