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 var feed_precache_timeout_id = false;
  13 var precache_idle_timeout_id = false;
  14
  15 var cids_requested = [];
  16 var loaded_article_ids = [];
  17
  18 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  19
  20 function headlines_callback2(transport, offset, background, infscroll_req) {
  21         try {
  22                 handle_rpc_json(transport);
  23
  24                 loading_set_progress(25);
  25
  26                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  27
  28                 var is_cat = false;
  29                 var feed_id = false;
  30
  31                 var reply = false;
  32
  33                 try {
  34                         reply = JSON.parse(transport.responseText);
  35                 } catch (e) {
  36                         console.error(e);
  37                 }
  38
  39                 if (reply) {
  40
  41                         is_cat = reply['headlines']['is_cat'];
  42                         feed_id = reply['headlines']['id'];
  43
  44                         if (background) {
  45                                 var content = reply['headlines']['content'];
  46
  47                                 if (getInitParam("cdm_auto_catchup") == 1) {
  48                                         content = content + "<div id='headlines-spacer'></div>";
  49                                 }
  50
  51                                 cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], content);
  52                                 return;
  53                         }
  54
  55                         setActiveFeedId(feed_id, is_cat);
  56
  57                         dijit.getEnclosingWidget(
  58                                 document.forms["main_toolbar_form"].update).attr('disabled',
  59                                         is_cat || feed_id <= 0);
  60
  61                         try {
  62                                 if (infscroll_req == false) {
  63                                         $("headlines-frame").scrollTop = 0;
  64                                 }
  65                         } catch (e) { };
  66
  67                         var headlines_count = reply['headlines-info']['count'];
  68
  69                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  70
  71                         if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
  72                                 _infscroll_disable = 1;
  73                         } else {
  74                                 _infscroll_disable = 0;
  75                         }
  76
  77                         var counters = reply['counters'];
  78                         var articles = reply['articles'];
  79                         //var runtime_info = reply['runtime-info'];
  80
  81                         if (infscroll_req == false) {
  82                                 loaded_article_ids = [];
  83
  84                                 dijit.byId("headlines-frame").attr('content',
  85                                         reply['headlines']['content']);
  86
  87                                 dijit.byId("headlines-toolbar").attr('content',
  88                                         reply['headlines']['toolbar']);
  89
  90                                 $$("#headlines-frame > div[id*=RROW]").each(function(row) {
  91                                         if (loaded_article_ids.indexOf(row.id) != -1) {
  92                                                 row.parentNode.removeChild(row);
  93                                         } else {
  94                                                 loaded_article_ids.push(row.id);
  95                                         }
  96                                 });
  97
  98                                 if (getInitParam("cdm_auto_catchup") == 1) {
  99                                         var hsp = $("headlines-spacer");
 100                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 101                                         dijit.byId('headlines-frame').domNode.appendChild(hsp);
 102                                 }
 103
 104                                 initHeadlinesMenu();
 105
 106                                 if (_search_query) {
 107                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 108                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 109                                                 "</span>";
 110                                 }
 111
 112                         } else {
 113
 114                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 115                                         console.log("adding some more headlines: " + headlines_count);
 116
 117                                         var c = dijit.byId("headlines-frame");
 118                                         var ids = getSelectedArticleIds2();
 119                                         var new_elems = [];
 120
 121                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 122
 123                                         var hsp = $("headlines-spacer");
 124
 125                                         if (hsp)
 126                                                 c.domNode.removeChild(hsp);
 127
 128                                         $$("#headlines-tmp > div").each(function(row) {
 129                                                 if (row.className == 'cdmFeedTitle') {
 130                                                         row.style.display = 'none';
 131                                                         c.domNode.appendChild(row);
 132                                                         new_elems.push(row);
 133                                                 } else if (loaded_article_ids.indexOf(row.id) == -1) {
 134                                                         row.style.display = 'none';
 135                                                         c.domNode.appendChild(row);
 136                                                         new_elems.push(row);
 137                                                         loaded_article_ids.push(row.id);
 138                                                 } else {
 139                                                         row.parentNode.removeChild(row);
 140                                                 }
 141                                         });
 142
 143                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 144
 145                                         fixHeadlinesOrder(getLoadedArticleIds());
 146
 147                                         if (getInitParam("cdm_auto_catchup") == 1) {
 148                                                 c.domNode.appendChild(hsp);
 149                                         }
 150
 151                                         console.log("added " + new_elems.size() + " headlines");
 152
 153                                         if (new_elems.size() == 0)
 154                                                 _infscroll_disable = true;
 155
 156                                         console.log("restore selected ids: " + ids);
 157
 158                                         for (var i = 0; i < ids.length; i++) {
 159                                                 markHeadline(ids[i]);
 160                                         }
 161
 162                                         initHeadlinesMenu();
 163
 164                                         new_elems.each(function(child) {
 165                                                 if (!$("RCHK-" + child.id.replace("RROW-", "RCHK-"))) {
 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 (headlines_count > 0)
 183                                 cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], $("headlines-frame").innerHTML);
 184
 185                         if (articles) {
 186                                 for (var i = 0; i < articles.length; i++) {
 187                                         var a_id = articles[i]['id'];
 188                                         cache_set("article:" + a_id, articles[i]['content']);
 189                                 }
 190                         } else {
 191                                 console.log("no cached articles received");
 192                         }
 193
 194                         // do not precache stuff after fresh feed
 195                         if (feed_id != -3)
 196                                 precache_headlines();
 197
 198                         if (counters)
 199                                 parse_counters(counters);
 200                         else
 201                                 request_counters(true);
 202
 203                 } else if (transport.responseText) {
 204                         console.error("Invalid object received: " + transport.responseText);
 205                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 206                                         __('Could not update headlines (invalid object received - see error console for details)') +
 207                                         "</div>");
 208                 } else {
 209                         //notify_error("Error communicating with server.");
 210                         Element.show(dijit.byId("net-alert").domNode);
 211                 }
 212
 213                 _infscroll_request_sent = 0;
 214
 215
 216                 notify("");
 217
 218         } catch (e) {
 219                 exception_error("headlines_callback2", e, transport);
 220         }
 221 }
 222
 223 function render_article(article) {
 224         try {
 225                 dijit.byId("headlines-wrap-inner").addChild(
 226                                 dijit.byId("content-insert"));
 227
 228                 var c = dijit.byId("content-insert");
 229
 230                 try {
 231                         c.domNode.scrollTop = 0;
 232                 } catch (e) { };
 233
 234                 c.attr('content', article);
 235
 236                 correctHeadlinesOffset(getActiveArticleId());
 237
 238                 try {
 239                         c.focus();
 240                 } catch (e) { };
 241
 242         } catch (e) {
 243                 exception_error("render_article", e);
 244         }
 245 }
 246
 247 function showArticleInHeadlines(id) {
 248
 249         try {
 250
 251                 selectArticles("none");
 252
 253                 var crow = $("RROW-" + id);
 254
 255                 if (!crow) return;
 256
 257                 var article_is_unread = crow.hasClassName("Unread");
 258
 259                 crow.removeClassName("Unread");
 260
 261                 selectArticles('none');
 262
 263                 var view_mode = false;
 264
 265                 try {
 266                         view_mode = document.forms['main_toolbar_form'].view_mode;
 267                         view_mode = view_mode[view_mode.selectedIndex].value;
 268                 } catch (e) {
 269                         //
 270                 }
 271
 272                 if (article_is_unread && view_mode == "all_articles") {
 273                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 274                 }
 275
 276                 markHeadline(id);
 277
 278                 if (article_is_unread)
 279                         _force_scheduled_update = true;
 280
 281         } catch (e) {
 282                 exception_error("showArticleInHeadlines", e);
 283         }
 284 }
 285
 286 function article_callback2(transport, id) {
 287         try {
 288                 console.log("article_callback2 " + id);
 289
 290                 handle_rpc_json(transport);
 291
 292                 var reply = false;
 293
 294                 try {
 295                         reply = JSON.parse(transport.responseText);
 296                 } catch (e) {
 297                         console.error(e);
 298                 }
 299
 300                 if (reply) {
 301
 302                         reply.each(function(article) {
 303                                 if (getActiveArticleId() == article['id']) {
 304                                         render_article(article['content']);
 305                                 }
 306                                 cids_requested.remove(article['id']);
 307
 308                                 cache_set("article:" + article['id'], article['content']);
 309                         });
 310
 311 //                      if (id != last_requested_article) {
 312 //                              console.log("requested article id is out of sequence, aborting");
 313 //                              return;
 314 //                      }
 315
 316                 } else if (transport.responseText) {
 317                         console.error("Invalid object received: " + transport.responseText);
 318
 319                         render_article("<div class='whiteBox'>" +
 320                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 321                 } else {
 322                         Element.show(dijit.byId("net-alert").domNode);
 323                 }
 324
 325                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 326                 request_counters(unread_in_buffer == 0);
 327
 328                 headlines_scroll_handler($("headlines-frame"));
 329
 330 /*              try {
 331                         if (!_infscroll_disable &&
 332                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 333
 334                                 loadMoreHeadlines();
 335                         }
 336                 } catch (e) {
 337                         console.warn(e);
 338                 } */
 339
 340                 notify("");
 341         } catch (e) {
 342                 exception_error("article_callback2", e, transport);
 343         }
 344 }
 345
 346 function view(id) {
 347         try {
 348                 var crow = $("RROW-" + id);
 349
 350                 if (!crow) return;
 351
 352                 console.log("loading article: " + id);
 353
 354                 var cached_article = cache_get("article:" + id);
 355
 356                 console.log("cache check result: " + (cached_article != false));
 357
 358                 hideAuxDlg();
 359
 360                 var query = "?op=article&method=view&id=" + param_escape(id);
 361
 362                 var neighbor_ids = getRelativePostIds(id);
 363
 364                 /* only request uncached articles */
 365
 366                 var cids_to_request = [];
 367
 368                 for (var i = 0; i < neighbor_ids.length; i++) {
 369                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 370                                 if (!cache_get("article:" + neighbor_ids[i])) {
 371                                         cids_to_request.push(neighbor_ids[i]);
 372                                         cids_requested.push(neighbor_ids[i]);
 373                                 }
 374                 }
 375
 376                 console.log("additional ids: " + cids_to_request.toString());
 377
 378                 query = query + "&cids=" + cids_to_request.toString();
 379
 380                 var article_is_unread = crow.hasClassName("Unread");
 381
 382                 setActiveArticleId(id);
 383                 showArticleInHeadlines(id);
 384
 385                 precache_headlines();
 386
 387                 if (cached_article && article_is_unread) {
 388
 389                         query = query + "&mode=prefetch";
 390
 391                         render_article(cached_article);
 392
 393                 } else if (cached_article) {
 394
 395                         query = query + "&mode=prefetch_old";
 396                         render_article(cached_article);
 397
 398                         // if we don't need to request any relative ids, we might as well skip
 399                         // the server roundtrip altogether
 400                         if (cids_to_request.length == 0) {
 401
 402 /*                              try {
 403                                         if (!_infscroll_disable &&
 404                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 405
 406                                                         loadMoreHeadlines();
 407                                         }
 408                                 } catch (e) {
 409                                         console.warn(e);
 410                                 } */
 411
 412                                 headlines_scroll_handler($("headlines-frame"));
 413
 414                                 return;
 415                         }
 416                 }
 417
 418                 last_requested_article = id;
 419
 420                 console.log(query);
 421
 422                 if (article_is_unread) {
 423                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 424                 }
 425
 426                 new Ajax.Request("backend.php", {
 427                         parameters: query,
 428                         onComplete: function(transport) {
 429                                 article_callback2(transport, id);
 430                         } });
 431
 432                 return false;
 433
 434         } catch (e) {
 435                 exception_error("view", e);
 436         }
 437 }
 438
 439 function toggleMark(id, client_only) {
 440         try {
 441                 var query = "?op=rpc&id=" + id + "&method=mark";
 442
 443                 var img = $("FMPIC-" + id);
 444
 445                 if (!img) return;
 446
 447                 if (img.src.match("mark_unset")) {
 448                         img.src = img.src.replace("mark_unset", "mark_set");
 449                         img.alt = __("Unstar article");
 450                         query = query + "&mark=1";
 451
 452                 } else {
 453                         img.src = img.src.replace("mark_set", "mark_unset");
 454                         img.alt = __("Star article");
 455                         query = query + "&mark=0";
 456                 }
 457
 458                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 459
 460                 if (!client_only) {
 461                         new Ajax.Request("backend.php", {
 462                                 parameters: query,
 463                                 onComplete: function(transport) {
 464                                         handle_rpc_json(transport);
 465                                 } });
 466                 }
 467
 468         } catch (e) {
 469                 exception_error("toggleMark", e);
 470         }
 471 }
 472
 473 function togglePub(id, client_only, no_effects, note) {
 474         try {
 475                 var query = "?op=rpc&id=" + id + "&method=publ";
 476
 477                 if (note != undefined) {
 478                         query = query + "&note=" + param_escape(note);
 479                 } else {
 480                         query = query + "&note=undefined";
 481                 }
 482
 483                 var img = $("FPPIC-" + id);
 484
 485                 if (!img) return;
 486
 487                 if (img.src.match("pub_unset") || note != undefined) {
 488                         img.src = img.src.replace("pub_unset", "pub_set");
 489                         img.alt = __("Unpublish article");
 490                         query = query + "&pub=1";
 491
 492                 } else {
 493                         img.src = img.src.replace("pub_set", "pub_unset");
 494                         img.alt = __("Publish article");
 495
 496                         query = query + "&pub=0";
 497                 }
 498
 499                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 500
 501                 if (!client_only) {
 502                         new Ajax.Request("backend.php", {
 503                                 parameters: query,
 504                                 onComplete: function(transport) {
 505                                         handle_rpc_json(transport);
 506                                 } });
 507                 }
 508
 509         } catch (e) {
 510                 exception_error("togglePub", e);
 511         }
 512 }
 513
 514 function moveToPost(mode, noscroll) {
 515
 516         try {
 517
 518                 var rows = getVisibleArticleIds();
 519
 520                 var prev_id = false;
 521                 var next_id = false;
 522
 523                 if (!$('RROW-' + getActiveArticleId())) {
 524                         setActiveArticleId(0);
 525                 }
 526
 527                 if (!getActiveArticleId()) {
 528                         next_id = rows[0];
 529                         prev_id = rows[rows.length-1]
 530                 } else {
 531                         for (var i = 0; i < rows.length; i++) {
 532                                 if (rows[i] == getActiveArticleId()) {
 533
 534                                         // Account for adjacent identical article ids.
 535                                         if (i > 0) prev_id = rows[i-1];
 536
 537                                         for (var j = i+1; j < rows.length; j++) {
 538                                                 if (rows[j] != getActiveArticleId()) {
 539                                                         next_id = rows[j];
 540                                                         break;
 541                                                 }
 542                                         }
 543                                         break;
 544                                 }
 545                         }
 546                 }
 547
 548                 if (mode == "next") {
 549                         if (next_id || getActiveArticleId()) {
 550                                 if (isCdmMode()) {
 551
 552                                         var article = $("RROW-" + getActiveArticleId());
 553                                         var ctr = $("headlines-frame");
 554
 555                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 556                                                         ctr.scrollTop + ctr.offsetHeight) {
 557
 558                                                 scrollArticle(ctr.offsetHeight/2);
 559
 560                                         } else if (next_id) {
 561                                                 cdmExpandArticle(next_id);
 562                                                 cdmScrollToArticleId(next_id, noscroll);
 563                                         }
 564
 565                                 } else if (next_id) {
 566                                         correctHeadlinesOffset(next_id);
 567                                         view(next_id, getActiveFeedId());
 568                                 }
 569                         }
 570                 }
 571
 572                 if (mode == "prev") {
 573                         if (prev_id || getActiveArticleId()) {
 574                                 if (isCdmMode()) {
 575
 576                                         var article = $("RROW-" + getActiveArticleId());
 577                                         var prev_article = $("RROW-" + prev_id);
 578                                         var ctr = $("headlines-frame");
 579
 580                                         if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 581                                                 scrollArticle(-ctr.offsetHeight/2);
 582                                         } else if (!noscroll && prev_article &&
 583                                                         prev_article.offsetTop < ctr.scrollTop) {
 584                                                 cdmExpandArticle(prev_id);
 585                                                 scrollArticle(-ctr.offsetHeight/2);
 586                                         } else if (prev_id) {
 587                                                 cdmExpandArticle(prev_id);
 588                                                 cdmScrollToArticleId(prev_id, noscroll);
 589                                         }
 590                                 } else if (prev_id) {
 591                                         correctHeadlinesOffset(prev_id);
 592                                         view(prev_id, getActiveFeedId());
 593                                 }
 594                         }
 595                 }
 596
 597         } catch (e) {
 598                 exception_error("moveToPost", e);
 599         }
 600 }
 601
 602 function toggleSelected(id, force_on) {
 603         try {
 604
 605                 var cb = $("RCHK-" + id);
 606                 var row = $("RROW-" + id);
 607
 608                 if (row) {
 609                         if (row.hasClassName('Selected') && !force_on) {
 610                                 row.removeClassName('Selected');
 611                                 if (cb) cb.checked = false;
 612                         } else {
 613                                 row.addClassName('Selected');
 614                                 if (cb) cb.checked = true;
 615                         }
 616                 }
 617         } catch (e) {
 618                 exception_error("toggleSelected", e);
 619         }
 620 }
 621
 622 function toggleUnread_afh(effect) {
 623         try {
 624
 625                 var elem = effect.element;
 626                 elem.style.backgroundColor = "";
 627
 628         } catch (e) {
 629                 exception_error("toggleUnread_afh", e);
 630         }
 631 }
 632
 633 function toggleUnread(id, cmode, effect) {
 634         try {
 635
 636                 var row = $("RROW-" + id);
 637                 if (row) {
 638                         if (cmode == undefined || cmode == 2) {
 639                                 if (row.hasClassName("Unread")) {
 640                                         row.removeClassName("Unread");
 641
 642                                         if (effect) {
 643                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 644                                                         afterFinish: toggleUnread_afh,
 645                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 646                                         }
 647
 648                                 } else {
 649                                         row.addClassName("Unread");
 650                                 }
 651
 652                         } else if (cmode == 0) {
 653
 654                                 row.removeClassName("Unread");
 655
 656                                 if (effect) {
 657                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 658                                                 afterFinish: toggleUnread_afh,
 659                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 660                                 }
 661
 662                         } else if (cmode == 1) {
 663                                 row.addClassName("Unread");
 664                         }
 665
 666                         if (cmode == undefined) cmode = 2;
 667
 668                         var query = "?op=rpc&method=catchupSelected" +
 669                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 670
 671 //                      notify_progress("Loading, please wait...");
 672
 673                         new Ajax.Request("backend.php", {
 674                                 parameters: query,
 675                                 onComplete: function(transport) {
 676                                         handle_rpc_json(transport);
 677                                 } });
 678
 679                 }
 680
 681         } catch (e) {
 682                 exception_error("toggleUnread", e);
 683         }
 684 }
 685
 686 function selectionRemoveLabel(id, ids) {
 687         try {
 688
 689                 if (!ids) ids = getSelectedArticleIds2();
 690
 691                 if (ids.length == 0) {
 692                         alert(__("No articles are selected."));
 693                         return;
 694                 }
 695
 696                 var query = "?op=rpc&method=removeFromLabel&ids=" +
 697                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 698
 699                 console.log(query);
 700
 701                 new Ajax.Request("backend.php", {
 702                         parameters: query,
 703                         onComplete: function(transport) {
 704                                 handle_rpc_json(transport);
 705                                 show_labels_in_headlines(transport);
 706                         } });
 707
 708         } catch (e) {
 709                 exception_error("selectionAssignLabel", e);
 710
 711         }
 712 }
 713
 714 function selectionAssignLabel(id, ids) {
 715         try {
 716
 717                 if (!ids) ids = getSelectedArticleIds2();
 718
 719                 if (ids.length == 0) {
 720                         alert(__("No articles are selected."));
 721                         return;
 722                 }
 723
 724                 var query = "?op=rpc&method=assignToLabel&ids=" +
 725                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 726
 727                 console.log(query);
 728
 729                 new Ajax.Request("backend.php", {
 730                         parameters: query,
 731                         onComplete: function(transport) {
 732                                 handle_rpc_json(transport);
 733                                 show_labels_in_headlines(transport);
 734                         } });
 735
 736         } catch (e) {
 737                 exception_error("selectionAssignLabel", e);
 738
 739         }
 740 }
 741
 742 function selectionToggleUnread(set_state, callback, no_error) {
 743         try {
 744                 var rows = getSelectedArticleIds2();
 745
 746                 if (rows.length == 0 && !no_error) {
 747                         alert(__("No articles are selected."));
 748                         return;
 749                 }
 750
 751                 for (var i = 0; i < rows.length; i++) {
 752                         var row = $("RROW-" + rows[i]);
 753                         if (row) {
 754                                 if (set_state == undefined) {
 755                                         if (row.hasClassName("Unread")) {
 756                                                 row.removeClassName("Unread");
 757                                         } else {
 758                                                 row.addClassName("Unread");
 759                                         }
 760                                 }
 761
 762                                 if (set_state == false) {
 763                                         row.removeClassName("Unread");
 764                                 }
 765
 766                                 if (set_state == true) {
 767                                         row.addClassName("Unread");
 768                                 }
 769                         }
 770                 }
 771
 772                 if (rows.length > 0) {
 773
 774                         var cmode = "";
 775
 776                         if (set_state == undefined) {
 777                                 cmode = "2";
 778                         } else if (set_state == true) {
 779                                 cmode = "1";
 780                         } else if (set_state == false) {
 781                                 cmode = "0";
 782                         }
 783
 784                         var query = "?op=rpc&method=catchupSelected" +
 785                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 786
 787                         notify_progress("Loading, please wait...");
 788
 789                         new Ajax.Request("backend.php", {
 790                                 parameters: query,
 791                                 onComplete: function(transport) {
 792                                         handle_rpc_json(transport);
 793                                         if (callback) callback(transport);
 794                                 } });
 795
 796                 }
 797
 798         } catch (e) {
 799                 exception_error("selectionToggleUnread", e);
 800         }
 801 }
 802
 803 function selectionToggleMarked() {
 804         try {
 805
 806                 var rows = getSelectedArticleIds2();
 807
 808                 if (rows.length == 0) {
 809                         alert(__("No articles are selected."));
 810                         return;
 811                 }
 812
 813                 for (var i = 0; i < rows.length; i++) {
 814                         toggleMark(rows[i], true, true);
 815                 }
 816
 817                 if (rows.length > 0) {
 818
 819                         var query = "?op=rpc&method=markSelected&ids=" +
 820                                 param_escape(rows.toString()) + "&cmode=2";
 821
 822                         new Ajax.Request("backend.php", {
 823                                 parameters: query,
 824                                 onComplete: function(transport) {
 825                                         handle_rpc_json(transport);
 826                                 } });
 827
 828                 }
 829
 830         } catch (e) {
 831                 exception_error("selectionToggleMarked", e);
 832         }
 833 }
 834
 835 function selectionTogglePublished() {
 836         try {
 837
 838                 var rows = getSelectedArticleIds2();
 839
 840                 if (rows.length == 0) {
 841                         alert(__("No articles are selected."));
 842                         return;
 843                 }
 844
 845                 for (var i = 0; i < rows.length; i++) {
 846                         togglePub(rows[i], true, true);
 847                 }
 848
 849                 if (rows.length > 0) {
 850
 851                         var query = "?op=rpc&method=publishSelected&ids=" +
 852                                 param_escape(rows.toString()) + "&cmode=2";
 853
 854                         new Ajax.Request("backend.php", {
 855                                 parameters: query,
 856                                 onComplete: function(transport) {
 857                                         handle_rpc_json(transport);
 858                                 } });
 859
 860                 }
 861
 862         } catch (e) {
 863                 exception_error("selectionToggleMarked", e);
 864         }
 865 }
 866
 867 function getSelectedArticleIds2() {
 868
 869         var rv = [];
 870
 871         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 872                 function(child) {
 873                         rv.push(child.id.replace("RROW-", ""));
 874                 });
 875
 876         return rv;
 877 }
 878
 879 function getLoadedArticleIds() {
 880         var rv = [];
 881
 882         var children = $$("#headlines-frame > div[id*=RROW-]");
 883
 884         children.each(function(child) {
 885                         rv.push(child.id.replace("RROW-", ""));
 886                 });
 887
 888         return rv;
 889
 890 }
 891
 892 // mode = all,none,unread,invert,marked,published
 893 function selectArticles(mode) {
 894         try {
 895
 896                 var children = $$("#headlines-frame > div[id*=RROW]");
 897
 898                 children.each(function(child) {
 899                         var id = child.id.replace("RROW-", "");
 900                         var cb = $("RCHK-" + id);
 901
 902                         if (mode == "all") {
 903                                 child.addClassName("Selected");
 904                                 if (cb) cb.checked= true;
 905                         } else if (mode == "unread") {
 906                                 if (child.hasClassName("Unread")) {
 907                                         child.addClassName("Selected");
 908                                         if (cb) cb.checked = true;
 909                                 } else {
 910                                         child.removeClassName("Selected");
 911                                         if (cb) cb.checked = false;
 912                                 }
 913                         } else if (mode == "marked") {
 914                                 var img = $("FMPIC-" + child.id.replace("RROW-", ""));
 915
 916                                 if (img && img.src.match("mark_set")) {
 917                                         child.addClassName("Selected");
 918                                         if (cb) cb.checked = true;
 919                                 } else {
 920                                         child.removeClassName("Selected");
 921                                         if (cb) cb.checked = false;
 922                                 }
 923                         } else if (mode == "published") {
 924                                 var img = $("FPPIC-" + child.id.replace("RROW-", ""));
 925
 926                                 if (img && img.src.match("pub_set")) {
 927                                         child.addClassName("Selected");
 928                                         if (cb) cb.checked = true;
 929                                 } else {
 930                                         child.removeClassName("Selected");
 931                                         if (cb) cb.checked = false;
 932                                 }
 933
 934                         } else if (mode == "invert") {
 935                                 if (child.hasClassName("Selected")) {
 936                                         child.removeClassName("Selected");
 937                                         if (cb) cb.checked = false;
 938                                 } else {
 939                                         child.addClassName("Selected");
 940                                         if (cb) cb.checked = true;
 941                                 }
 942
 943                         } else {
 944                                 child.removeClassName("Selected");
 945                                 if (cb) cb.checked = false;
 946                         }
 947                 });
 948
 949         } catch (e) {
 950                 exception_error("selectArticles", e);
 951         }
 952 }
 953
 954 function catchupPage() {
 955
 956         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 957
 958         var str = __("Mark all visible articles in %s as read?");
 959
 960         str = str.replace("%s", fn);
 961
 962         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 963                 return;
 964         }
 965
 966         selectArticles('all');
 967         selectionToggleUnread(false, 'viewCurrentFeed()', true);
 968         selectArticles('none');
 969 }
 970
 971 function deleteSelection() {
 972
 973         try {
 974
 975                 var rows = getSelectedArticleIds2();
 976
 977                 if (rows.length == 0) {
 978                         alert(__("No articles are selected."));
 979                         return;
 980                 }
 981
 982                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 983                 var str;
 984
 985                 if (getActiveFeedId() != 0) {
 986                         str = __("Delete %d selected articles in %s?");
 987                 } else {
 988                         str = __("Delete %d selected articles?");
 989                 }
 990
 991                 str = str.replace("%d", rows.length);
 992                 str = str.replace("%s", fn);
 993
 994                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 995                         return;
 996                 }
 997
 998                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
 999
1000                 console.log(query);
1001
1002                 new Ajax.Request("backend.php", {
1003                         parameters: query,
1004                         onComplete: function(transport) {
1005                                         handle_rpc_json(transport);
1006                                         viewCurrentFeed();
1007                                 } });
1008
1009         } catch (e) {
1010                 exception_error("deleteSelection", e);
1011         }
1012 }
1013
1014 function archiveSelection() {
1015
1016         try {
1017
1018                 var rows = getSelectedArticleIds2();
1019
1020                 if (rows.length == 0) {
1021                         alert(__("No articles are selected."));
1022                         return;
1023                 }
1024
1025                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1026                 var str;
1027                 var op;
1028
1029                 if (getActiveFeedId() != 0) {
1030                         str = __("Archive %d selected articles in %s?");
1031                         op = "archive";
1032                 } else {
1033                         str = __("Move %d archived articles back?");
1034                         op = "unarchive";
1035                 }
1036
1037                 str = str.replace("%d", rows.length);
1038                 str = str.replace("%s", fn);
1039
1040                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1041                         return;
1042                 }
1043
1044                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1045
1046                 console.log(query);
1047
1048                 for (var i = 0; i < rows.length; i++) {
1049                         cache_delete("article:" + rows[i]);
1050                 }
1051
1052                 new Ajax.Request("backend.php", {
1053                         parameters: query,
1054                         onComplete: function(transport) {
1055                                         handle_rpc_json(transport);
1056                                         viewCurrentFeed();
1057                                 } });
1058
1059         } catch (e) {
1060                 exception_error("archiveSelection", e);
1061         }
1062 }
1063
1064 function catchupSelection() {
1065
1066         try {
1067
1068                 var rows = getSelectedArticleIds2();
1069
1070                 if (rows.length == 0) {
1071                         alert(__("No articles are selected."));
1072                         return;
1073                 }
1074
1075                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1076
1077                 var str = __("Mark %d selected articles in %s as read?");
1078
1079                 str = str.replace("%d", rows.length);
1080                 str = str.replace("%s", fn);
1081
1082                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1083                         return;
1084                 }
1085
1086                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1087
1088         } catch (e) {
1089                 exception_error("catchupSelection", e);
1090         }
1091 }
1092
1093 function editArticleTags(id) {
1094                 var query = "backend.php?op=dlg&method=editArticleTags&param=" + param_escape(id);
1095
1096                 if (dijit.byId("editTagsDlg"))
1097                         dijit.byId("editTagsDlg").destroyRecursive();
1098
1099                 dialog = new dijit.Dialog({
1100                         id: "editTagsDlg",
1101                         title: __("Edit article Tags"),
1102                         style: "width: 600px",
1103                         execute: function() {
1104                                 if (this.validate()) {
1105                                         var query = dojo.objectToQuery(this.attr('value'));
1106
1107                                         notify_progress("Saving article tags...", true);
1108
1109                                         new Ajax.Request("backend.php", {
1110                                         parameters: query,
1111                                         onComplete: function(transport) {
1112                                                 notify('');
1113                                                 dialog.hide();
1114
1115                                                 var data = JSON.parse(transport.responseText);
1116
1117                                                 if (data) {
1118                                                         var tags_str = article.tags;
1119                                                         var id = tags_str.id;
1120
1121                                                         var tags = $("ATSTR-" + id);
1122                                                         var tooltip = dijit.byId("ATSTRTIP-" + id);
1123
1124                                                         if (tags) tags.innerHTML = tags_str.content;
1125                                                         if (tooltip) tooltip.attr('label', tags_str.content_full);
1126
1127                                                         cache_delete("article:" + id);
1128                                                 }
1129
1130                                         }});
1131                                 }
1132                         },
1133                         href: query,
1134                 });
1135
1136                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1137                 dojo.disconnect(tmph);
1138
1139                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1140                            "backend.php?op=rpc&method=completeTags",
1141                            { tokens: ',', paramName: "search" });
1142                 });
1143
1144                 dialog.show();
1145
1146 }
1147
1148 function cdmScrollToArticleId(id, force) {
1149         try {
1150                 var ctr = $("headlines-frame");
1151                 var e = $("RROW-" + id);
1152
1153                 if (!e || !ctr) return;
1154
1155                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1156                                 e.offsetTop < ctr.scrollTop) {
1157                         ctr.scrollTop = e.offsetTop;
1158                 }
1159
1160         } catch (e) {
1161                 exception_error("cdmScrollToArticleId", e);
1162         }
1163 }
1164
1165 function setActiveArticleId(id) {
1166         _active_article_id = id;
1167 }
1168
1169 function getActiveArticleId() {
1170         return _active_article_id;
1171 }
1172
1173 function postMouseIn(id) {
1174         post_under_pointer = id;
1175 }
1176
1177 function postMouseOut(id) {
1178         post_under_pointer = false;
1179 }
1180
1181 function headlines_scroll_handler(e) {
1182         try {
1183                 var hsp = $("headlines-spacer");
1184
1185                 if (!_infscroll_disable) {
1186                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1187                                         (e.scrollHeight != 0 &&
1188                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1189
1190                                 if (hsp)
1191                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1192                                                 __("Loading, please wait...");
1193
1194                                 loadMoreHeadlines();
1195                                 return;
1196
1197                         }
1198                 } else {
1199                         if (hsp) hsp.innerHTML = "";
1200                 }
1201
1202                 if (getInitParam("cdm_auto_catchup") == 1) {
1203
1204                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1205                                 function(child) {
1206                                         if ($("headlines-frame").scrollTop >
1207                                                         (child.offsetTop + child.offsetHeight/2)) {
1208
1209                                                 var id = child.id.replace("RROW-", "");
1210
1211                                                 if (catchup_id_batch.indexOf(id) == -1)
1212                                                         catchup_id_batch.push(id);
1213
1214                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1215                                         }
1216                                 });
1217
1218                         if (catchup_id_batch.length > 0) {
1219                                 window.clearTimeout(catchup_timeout_id);
1220
1221                                 if (!_infscroll_request_sent) {
1222                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1223                                                 2000);
1224                                 }
1225                         }
1226                 }
1227
1228         } catch (e) {
1229                 console.warn("headlines_scroll_handler: " + e);
1230         }
1231 }
1232
1233 function catchupBatchedArticles() {
1234         try {
1235                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1236
1237                         // make a copy of the array
1238                         var batch = catchup_id_batch.slice();
1239                         var query = "?op=rpc&method=catchupSelected" +
1240                                 "&cmode=0&ids=" + param_escape(batch.toString());
1241
1242                         console.log(query);
1243
1244                         new Ajax.Request("backend.php", {
1245                                 parameters: query,
1246                                 onComplete: function(transport) {
1247                                         handle_rpc_json(transport);
1248
1249                                         batch.each(function(id) {
1250                                                 var elem = $("RROW-" + id);
1251                                                 if (elem) elem.removeClassName("Unread");
1252                                                 catchup_id_batch.remove(id);
1253                                         });
1254
1255                                 } });
1256                 }
1257
1258         } catch (e) {
1259                 exception_error("catchupBatchedArticles", e);
1260         }
1261 }
1262
1263 function catchupRelativeToArticle(below, id) {
1264
1265         try {
1266
1267                 if (!id) id = getActiveArticleId();
1268
1269                 if (!id) {
1270                         alert(__("No article is selected."));
1271                         return;
1272                 }
1273
1274                 var visible_ids = getVisibleArticleIds();
1275
1276                 var ids_to_mark = new Array();
1277
1278                 if (!below) {
1279                         for (var i = 0; i < visible_ids.length; i++) {
1280                                 if (visible_ids[i] != id) {
1281                                         var e = $("RROW-" + visible_ids[i]);
1282
1283                                         if (e && e.hasClassName("Unread")) {
1284                                                 ids_to_mark.push(visible_ids[i]);
1285                                         }
1286                                 } else {
1287                                         break;
1288                                 }
1289                         }
1290                 } else {
1291                         for (var i = visible_ids.length-1; i >= 0; i--) {
1292                                 if (visible_ids[i] != id) {
1293                                         var e = $("RROW-" + visible_ids[i]);
1294
1295                                         if (e && e.hasClassName("Unread")) {
1296                                                 ids_to_mark.push(visible_ids[i]);
1297                                         }
1298                                 } else {
1299                                         break;
1300                                 }
1301                         }
1302                 }
1303
1304                 if (ids_to_mark.length == 0) {
1305                         alert(__("No articles found to mark"));
1306                 } else {
1307                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1308
1309                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1310
1311                                 for (var i = 0; i < ids_to_mark.length; i++) {
1312                                         var e = $("RROW-" + ids_to_mark[i]);
1313                                         e.removeClassName("Unread");
1314                                 }
1315
1316                                 var query = "?op=rpc&method=catchupSelected" +
1317                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1318
1319                                 new Ajax.Request("backend.php", {
1320                                         parameters: query,
1321                                         onComplete: function(transport) {
1322                                                 handle_rpc_json(transport);
1323                                         } });
1324
1325                         }
1326                 }
1327
1328         } catch (e) {
1329                 exception_error("catchupRelativeToArticle", e);
1330         }
1331 }
1332
1333 function cdmExpandArticle(id) {
1334         try {
1335
1336                 hideAuxDlg();
1337
1338                 var elem = $("CICD-" + getActiveArticleId());
1339
1340                 if (id == getActiveArticleId() && Element.visible(elem))
1341                         return true;
1342
1343                 selectArticles("none");
1344
1345                 var old_offset = $("RROW-" + id).offsetTop;
1346
1347                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1348                         Element.hide(elem);
1349                         Element.show("CEXC-" + getActiveArticleId());
1350                 }
1351
1352                 setActiveArticleId(id);
1353
1354                 elem = $("CICD-" + id);
1355
1356                 if (!Element.visible(elem)) {
1357                         Element.show(elem);
1358                         Element.hide("CEXC-" + id);
1359                 }
1360
1361                 /* var new_offset = $("RROW-" + id).offsetTop;
1362
1363                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1364
1365                 if ($("RROW-" + id).offsetTop != old_offset)
1366                         $("headlines-frame").scrollTop = new_offset; */
1367
1368                 toggleUnread(id, 0, true);
1369                 toggleSelected(id);
1370
1371         } catch (e) {
1372                 exception_error("cdmExpandArticle", e);
1373         }
1374
1375         return false;
1376 }
1377
1378 function fixHeadlinesOrder(ids) {
1379         try {
1380                 for (var i = 0; i < ids.length; i++) {
1381                         var e = $("RROW-" + ids[i]);
1382
1383                         if (e) {
1384                                 if (i % 2 == 0) {
1385                                         e.removeClassName("even");
1386                                         e.addClassName("odd");
1387                                 } else {
1388                                         e.removeClassName("odd");
1389                                         e.addClassName("even");
1390                                 }
1391                         }
1392                 }
1393         } catch (e) {
1394                 exception_error("fixHeadlinesOrder", e);
1395         }
1396 }
1397
1398 function getArticleUnderPointer() {
1399         return post_under_pointer;
1400 }
1401
1402 function scrollArticle(offset) {
1403         try {
1404                 if (!isCdmMode()) {
1405                         var ci = $("content-insert");
1406                         if (ci) {
1407                                 ci.scrollTop += offset;
1408                         }
1409                 } else {
1410                         var hi = $("headlines-frame");
1411                         if (hi) {
1412                                 hi.scrollTop += offset;
1413                         }
1414
1415                 }
1416         } catch (e) {
1417                 exception_error("scrollArticle", e);
1418         }
1419 }
1420
1421 function show_labels_in_headlines(transport) {
1422         try {
1423                 var data = JSON.parse(transport.responseText);
1424
1425                 if (data) {
1426                         data['info-for-headlines'].each(function(elem) {
1427                                 var ctr = $("HLLCTR-" + elem.id);
1428
1429                                 if (ctr) ctr.innerHTML = elem.labels;
1430                         });
1431
1432                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
1433
1434                 }
1435         } catch (e) {
1436                 exception_error("show_labels_in_headlines", e);
1437         }
1438 }
1439
1440 function dismissArticle(id) {
1441         try {
1442                 var elem = $("RROW-" + id);
1443
1444                 toggleUnread(id, 0, true);
1445
1446                 new Effect.Fade(elem, {duration : 0.5});
1447
1448                 if (id == getActiveArticleId()) {
1449                         setActiveArticleId(0);
1450                 }
1451
1452         } catch (e) {
1453                 exception_error("dismissArticle", e);
1454         }
1455 }
1456
1457 function dismissSelectedArticles() {
1458         try {
1459
1460                 var ids = getVisibleArticleIds();
1461                 var tmp = [];
1462                 var sel = [];
1463
1464                 for (var i = 0; i < ids.length; i++) {
1465                         var elem = $("RROW-" + ids[i]);
1466
1467                         if (elem.className && elem.hasClassName("Selected") &&
1468                                         ids[i] != getActiveArticleId()) {
1469                                 new Effect.Fade(elem, {duration : 0.5});
1470                                 sel.push(ids[i]);
1471                         } else {
1472                                 tmp.push(ids[i]);
1473                         }
1474                 }
1475
1476                 if (sel.length > 0)
1477                         selectionToggleUnread(false);
1478
1479                 fixHeadlinesOrder(tmp);
1480
1481         } catch (e) {
1482                 exception_error("dismissSelectedArticles", e);
1483         }
1484 }
1485
1486 function dismissReadArticles() {
1487         try {
1488
1489                 var ids = getVisibleArticleIds();
1490                 var tmp = [];
1491
1492                 for (var i = 0; i < ids.length; i++) {
1493                         var elem = $("RROW-" + ids[i]);
1494
1495                         if (elem.className && !elem.hasClassName("Unread") &&
1496                                         !elem.hasClassName("Selected")) {
1497
1498                                 new Effect.Fade(elem, {duration : 0.5});
1499                         } else {
1500                                 tmp.push(ids[i]);
1501                         }
1502                 }
1503
1504                 fixHeadlinesOrder(tmp);
1505
1506         } catch (e) {
1507                 exception_error("dismissSelectedArticles", e);
1508         }
1509 }
1510
1511 function getVisibleArticleIds() {
1512         var ids = [];
1513
1514         try {
1515
1516                 getLoadedArticleIds().each(function(id) {
1517                         var elem = $("RROW-" + id);
1518                         if (elem && Element.visible(elem))
1519                                 ids.push(id);
1520                         });
1521
1522         } catch (e) {
1523                 exception_error("getVisibleArticleIds", e);
1524         }
1525
1526         return ids;
1527 }
1528
1529 function cdmClicked(event, id) {
1530         try {
1531                 //var shift_key = event.shiftKey;
1532
1533                 hideAuxDlg();
1534
1535                 if (!event.ctrlKey) {
1536
1537                         if (!getInitParam("cdm_expanded")) {
1538                                 return cdmExpandArticle(id);
1539                         } else {
1540
1541                                 selectArticles("none");
1542                                 toggleSelected(id);
1543
1544                                 var elem = $("RROW-" + id);
1545                                 var article_is_unread = elem.hasClassName("Unread");
1546
1547                                 if (elem)
1548                                         elem.removeClassName("Unread");
1549
1550                                 setActiveArticleId(id);
1551
1552                                 if (article_is_unread) {
1553                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1554                                 }
1555
1556                                 var query = "?op=rpc&method=catchupSelected" +
1557                                         "&cmode=0&ids=" + param_escape(id);
1558
1559                                 new Ajax.Request("backend.php", {
1560                                         parameters: query,
1561                                         onComplete: function(transport) {
1562                                                 handle_rpc_json(transport);
1563                                         } });
1564
1565                                 return true;
1566                         }
1567
1568                 } else {
1569                         toggleSelected(id, true);
1570
1571                         var elem = $("RROW-" + id);
1572                         var article_is_unread = elem.hasClassName("Unread");
1573
1574                         if (article_is_unread) {
1575                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1576                         }
1577
1578                         toggleUnread(id, 0, false);
1579
1580                         openArticleInNewWindow(id);
1581                 }
1582
1583                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1584                 request_counters(unread_in_buffer == 0);
1585
1586         } catch (e) {
1587                 exception_error("cdmClicked");
1588         }
1589
1590         return false;
1591 }
1592
1593 function hlClicked(event, id) {
1594         try {
1595                 if (event.which == 2) {
1596                         view(id);
1597                         return true;
1598                 } else if (event.ctrlKey) {
1599                         toggleSelected(id, true);
1600                         toggleUnread(id, 0, false);
1601                         openArticleInNewWindow(id);
1602                         return false;
1603                 } else {
1604                         view(id);
1605                         return false;
1606                 }
1607
1608         } catch (e) {
1609                 exception_error("hlClicked");
1610         }
1611 }
1612
1613 function getFirstVisibleHeadlineId() {
1614         var rows = getVisibleArticleIds();
1615         return rows[0];
1616
1617 }
1618
1619 function getLastVisibleHeadlineId() {
1620         var rows = getVisibleArticleIds();
1621         return rows[rows.length-1];
1622 }
1623
1624 function openArticleInNewWindow(id) {
1625         toggleUnread(id, 0, false);
1626         window.open("backend.php?op=article&method=redirect&id=" + id);
1627 }
1628
1629 function isCdmMode() {
1630         return getInitParam("combined_display_mode");
1631 }
1632
1633 function markHeadline(id) {
1634         var row = $("RROW-" + id);
1635         if (row) {
1636                 var check = $("RCHK-" + id);
1637
1638                 if (check) {
1639                         check.checked = true;
1640                 }
1641
1642                 row.addClassName("Selected");
1643         }
1644 }
1645
1646 function getRelativePostIds(id, limit) {
1647
1648         var tmp = [];
1649
1650         try {
1651
1652                 if (!limit) limit = 6; //3
1653
1654                 var ids = getVisibleArticleIds();
1655
1656                 for (var i = 0; i < ids.length; i++) {
1657                         if (ids[i] == id) {
1658                                 for (var k = 1; k <= limit; k++) {
1659                                         //if (i > k-1) tmp.push(ids[i-k]);
1660                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1661                                 }
1662                                 break;
1663                         }
1664                 }
1665
1666         } catch (e) {
1667                 exception_error("getRelativePostIds", e);
1668         }
1669
1670         return tmp;
1671 }
1672
1673 function correctHeadlinesOffset(id) {
1674
1675         try {
1676
1677                 var container = $("headlines-frame");
1678                 var row = $("RROW-" + id);
1679
1680                 if (!container || !row) return;
1681
1682                 var viewport = container.offsetHeight;
1683
1684                 var rel_offset_top = row.offsetTop - container.scrollTop;
1685                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1686
1687                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1688                 //console.log("Vport: " + viewport);
1689
1690                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1691                         container.scrollTop = row.offsetTop;
1692                 } else if (rel_offset_bottom > viewport) {
1693
1694                         /* doesn't properly work with Opera in some cases because
1695                                 Opera fucks up element scrolling */
1696
1697                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1698                 }
1699
1700         } catch (e) {
1701                 exception_error("correctHeadlinesOffset", e);
1702         }
1703
1704 }
1705
1706 function headlineActionsChange(elem) {
1707         try {
1708                 eval(elem.value);
1709                 elem.attr('value', 'false');
1710         } catch (e) {
1711                 exception_error("headlineActionsChange", e);
1712         }
1713 }
1714
1715 function closeArticlePanel() {
1716
1717         if (dijit.byId("content-insert"))
1718                 dijit.byId("headlines-wrap-inner").removeChild(
1719                         dijit.byId("content-insert"));
1720 }
1721
1722 function initHeadlinesMenu() {
1723         try {
1724                 if (dijit.byId("headlinesMenu"))
1725                         dijit.byId("headlinesMenu").destroyRecursive();
1726
1727                 var ids = [];
1728
1729                 if (!isCdmMode()) {
1730                         nodes = $$("#headlines-frame > div[id*=RROW]");
1731                 } else {
1732                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1733                 }
1734
1735                 nodes.each(function(node) {
1736                         ids.push(node.id);
1737                 });
1738
1739                 var menu = new dijit.Menu({
1740                         id: "headlinesMenu",
1741                         targetNodeIds: ids,
1742                 });
1743
1744                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1745                         var callerNode = event.target, match = null, tries = 0;
1746
1747                         while (match == null && callerNode && tries <= 3) {
1748                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1749                                 callerNode = callerNode.parentNode;
1750                                 ++tries;
1751                         }
1752
1753                         if (match) this.callerRowId = parseInt(match[1]);
1754
1755                 });
1756
1757 /*              if (!isCdmMode())
1758                         menu.addChild(new dijit.MenuItem({
1759                                 label: __("View article"),
1760                                 onClick: function(event) {
1761                                         view(this.getParent().callerRowId);
1762                                 }})); */
1763
1764                 menu.addChild(new dijit.MenuItem({
1765                         label: __("Open original article"),
1766                         onClick: function(event) {
1767                                 openArticleInNewWindow(this.getParent().callerRowId);
1768                         }}));
1769
1770                 menu.addChild(new dijit.MenuSeparator());
1771
1772                 menu.addChild(new dijit.MenuItem({
1773                         label: __("Mark above as read"),
1774                         onClick: function(event) {
1775                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1776                                 }}));
1777
1778                 menu.addChild(new dijit.MenuItem({
1779                         label: __("Mark below as read"),
1780                         onClick: function(event) {
1781                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1782                                 }}));
1783
1784
1785                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1786
1787                 if (labels) {
1788
1789                         menu.addChild(new dijit.MenuSeparator());
1790
1791                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1792                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1793
1794                         labels.each(function(label) {
1795                                 var id = label.id[0];
1796                                 var bare_id = id.substr(id.indexOf(":")+1);
1797                                 var name = label.name[0];
1798
1799                                 bare_id = -11-bare_id;
1800
1801                                 labelAddMenu.addChild(new dijit.MenuItem({
1802                                         label: name,
1803                                         labelId: bare_id,
1804                                         onClick: function(event) {
1805                                                 var ids = getSelectedArticleIds2();
1806                                                 // cast to string
1807                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1808
1809                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1810
1811                                                 selectionAssignLabel(this.labelId, ids);
1812                                 }}));
1813
1814                                 labelDelMenu.addChild(new dijit.MenuItem({
1815                                         label: name,
1816                                         labelId: bare_id,
1817                                         onClick: function(event) {
1818                                                 var ids = getSelectedArticleIds2();
1819                                                 // cast to string
1820                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1821
1822                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1823
1824                                                 selectionRemoveLabel(this.labelId, ids);
1825                                 }}));
1826
1827                         });
1828
1829                         menu.addChild(new dijit.PopupMenuItem({
1830                                 label: __("Assign label"),
1831                                 popup: labelAddMenu,
1832                         }));
1833
1834                         menu.addChild(new dijit.PopupMenuItem({
1835                                 label: __("Remove label"),
1836                                 popup: labelDelMenu,
1837                         }));
1838
1839                 }
1840
1841                 menu.startup();
1842
1843         } catch (e) {
1844                 exception_error("initHeadlinesMenu", e);
1845         }
1846 }
1847
1848
1849 function player(elem) {
1850         var aid = elem.getAttribute("audio-id");
1851         var status = elem.getAttribute("status");
1852
1853         var audio = $(aid);
1854
1855         if (audio) {
1856                 if (status == 0) {
1857                         audio.play();
1858                         status = 1;
1859                         elem.innerHTML = __("Playing...");
1860                         elem.title = __("Click to pause");
1861                         elem.addClassName("playing");
1862                 } else {
1863                         audio.pause();
1864                         status = 0;
1865                         elem.innerHTML = __("Play");
1866                         elem.title = __("Click to play");
1867                         elem.removeClassName("playing");
1868                 }
1869
1870                 elem.setAttribute("status", status);
1871         } else {
1872                 alert("Your browser doesn't seem to support HTML5 audio.");
1873         }
1874 }
1875
1876 function cache_set(id, obj) {
1877         //console.log("cache_set: " + id);
1878         if (has_storage)
1879                 try {
1880                         sessionStorage[id] = obj;
1881                 } catch (e) {
1882                         sessionStorage.clear();
1883                 }
1884 }
1885
1886 function cache_get(id) {
1887         if (has_storage)
1888                 return sessionStorage[id];
1889 }
1890
1891 function cache_clear() {
1892         if (has_storage)
1893                 sessionStorage.clear();
1894 }
1895
1896 function cache_delete(id) {
1897         if (has_storage)
1898                 sessionStorage.removeItem(id);
1899 }
1900
1901 function cache_headlines(feed, is_cat, toolbar_obj, content_obj) {
1902         if (toolbar_obj && content_obj) {
1903                 cache_set("feed:" + feed + ":" + is_cat,
1904                         JSON.stringify({toolbar: toolbar_obj, content: content_obj}));
1905         } else {
1906                 try {
1907                         obj =   cache_get("feed:" + feed + ":" + is_cat);
1908
1909                         if (obj) {
1910                                 obj = JSON.parse(obj);
1911
1912                                 if (toolbar_obj) obj.toolbar = toolbar_obj;
1913                                 if (content_obj) obj.content = content_obj;
1914
1915                                 cache_set("feed:" + feed + ":" + is_cat, JSON.stringify(obj));
1916                         }
1917
1918                 } catch (e) {
1919                         console.warn("cache_headlines failed: " + e);
1920                 }
1921         }
1922 }
1923
1924 function render_local_headlines(feed, is_cat, obj) {
1925         try {
1926
1927                 dijit.byId("headlines-toolbar").attr('content',
1928                         obj.toolbar);
1929
1930                 dijit.byId("headlines-frame").attr('content',
1931                         obj.content);
1932
1933                 dojo.parser.parse('headlines-toolbar');
1934
1935                 $("headlines-frame").scrollTop = 0;
1936                 selectArticles('none');
1937                 setActiveFeedId(feed, is_cat);
1938                 initHeadlinesMenu();
1939
1940                 dijit.getEnclosingWidget(
1941                         document.forms["main_toolbar_form"].update).attr('disabled',
1942                                 is_cat || feed <= 0);
1943
1944                 precache_headlines();
1945
1946         } catch (e) {
1947                 exception_error("render_local_headlines", e);
1948         }
1949 }
1950
1951 function precache_headlines_idle() {
1952         try {
1953                 if (getInitParam("bw_limit") != "1" && !feed_precache_timeout_id) {
1954                         if (get_timestamp() - _viewfeed_last > 120) {
1955
1956                                 var feeds = dijit.byId("feedTree").getVisibleUnreadFeeds();
1957                                 var uncached = [];
1958
1959                                 feeds.each(function(item) {
1960                                         if (parseInt(item[0]) > 0 && !cache_get("feed:" + item[0] + ":" + item[1]))
1961                                                 uncached.push(item);
1962                                 });
1963
1964                                 if (uncached.length > 0) {
1965                                         var rf = uncached[Math.floor(Math.random()*uncached.length)];
1966                                         viewfeed(rf[0], '', rf[1], 0, true);
1967                                 }
1968                         }
1969                 }
1970                 precache_idle_timeout_id = setTimeout("precache_headlines_idle()", 1000*30);
1971
1972         } catch (e) {
1973                 exception_error("precache_headlines_idle", e);
1974         }
1975 }
1976
1977 function precache_headlines() {
1978         try {
1979                 if (getInitParam("bw_limit") != "1" && !feed_precache_timeout_id) {
1980
1981                         feed_precache_timeout_id = window.setTimeout(function() {
1982                                 var nuf = getNextUnreadFeed(getActiveFeedId(), activeFeedIsCat());
1983                                 var nf = dijit.byId("feedTree").getNextFeed(getActiveFeedId(), activeFeedIsCat());
1984
1985                                 if (nuf && !cache_get("feed:" + nuf + ":" + activeFeedIsCat()))
1986                                         viewfeed(nuf, '', activeFeedIsCat(), 0, true);
1987
1988                                 if (nf && nf[0] != nuf && !cache_get("feed:" + nf[0] + ":" + nf[1]))
1989                                         viewfeed(nf[0], '', nf[1], 0, true);
1990
1991                                 window.setTimeout(function() {
1992                                         feed_precache_timeout_id = false;
1993                                         }, 3000);
1994                         }, 1000);
1995                 }
1996
1997         } catch (e) {
1998                 exception_error("precache_headlines", e);
1999         }
2000 }
2001
2002 function cancelSearch() {
2003         try {
2004                 _search_query = "";
2005                 viewCurrentFeed();
2006         } catch (e) {
2007                 exception_error("cancelSearch", e);
2008         }
2009 }
2010
2011 function setSelectionScore() {
2012         try {
2013                 var ids = getSelectedArticleIds2();
2014
2015                 if (ids.length > 0) {
2016                         console.log(ids);
2017
2018                         var score = prompt(__("Please enter new score for selected articles:"), score);
2019
2020                         if (score != undefined) {
2021                                 var query = "op=rpc&method=setScore&id=" + param_escape(ids.toString()) +
2022                                         "&score=" + param_escape(score);
2023
2024                                 new Ajax.Request("backend.php", {
2025                                         parameters: query,
2026                                         onComplete: function(transport) {
2027                                                 var reply = JSON.parse(transport.responseText);
2028                                                 if (reply) {
2029                                                         console.log(ids);
2030
2031                                                         ids.each(function(id) {
2032                                                                 var row = $("RROW-" + id);
2033
2034                                                                 if (row) {
2035                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2036
2037                                                                         if (pic) {
2038                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2039                                                                                         reply["score_pic"]);
2040                                                                                 pic.setAttribute("score", score);
2041                                                                         }
2042                                                                 }
2043                                                         });
2044                                                 }
2045                                         } });
2046                         }
2047
2048                 } else {
2049                         alert(__("No articles are selected."));
2050                 }
2051         } catch (e) {
2052                 exception_error("setSelectionScore", e);
2053         }
2054 }
2055
2056 function changeScore(id, pic) {
2057         try {
2058                 var score = pic.getAttribute("score");
2059
2060                 var new_score = prompt(__("Please enter new score for this article:"), score);
2061
2062                 if (new_score != undefined) {
2063
2064                         var query = "op=rpc&method=setScore&id=" + param_escape(id) +
2065                                 "&score=" + param_escape(new_score);
2066
2067                         new Ajax.Request("backend.php", {
2068                                 parameters: query,
2069                                 onComplete: function(transport) {
2070                                         var reply = JSON.parse(transport.responseText);
2071
2072                                         if (reply) {
2073                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2074                                                 pic.setAttribute("score", new_score);
2075                                         }
2076                                 } });
2077                 }
2078         } catch (e) {
2079                 exception_error("changeScore", e);
2080         }
2081 }