js/viewfeed.js

   1 var article_cache = new Array();
   2
   3 var _active_article_id = 0;
   4
   5 var vgroup_last_feed = false;
   6 var post_under_pointer = false;
   7
   8 var last_requested_article = false;
   9
  10 var catchup_id_batch = [];
  11 var catchup_timeout_id = false;
  12
  13 var cids_requested = [];
  14 var loaded_article_ids = [];
  15
  16 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  17
  18 function headlines_callback2(transport, offset, background, infscroll_req) {
  19         try {
  20                 handle_rpc_json(transport);
  21
  22                 loading_set_progress(25);
  23
  24                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  25
  26                 var is_cat = false;
  27                 var feed_id = false;
  28
  29                 var reply = false;
  30
  31                 try {
  32                         reply = JSON.parse(transport.responseText);
  33                 } catch (e) {
  34                         console.error(e);
  35                 }
  36
  37                 if (reply) {
  38
  39                         is_cat = reply['headlines']['is_cat'];
  40                         feed_id = reply['headlines']['id'];
  41
  42                         if (background) {
  43                                 var content = reply['headlines']['content'];
  44
  45                                 if (getInitParam("cdm_auto_catchup") == 1) {
  46                                         content = content + "<div id='headlines-spacer'></div>";
  47                                 }
  48                                 return;
  49                         }
  50
  51                         setActiveFeedId(feed_id, is_cat);
  52
  53                         dijit.getEnclosingWidget(
  54                                 document.forms["main_toolbar_form"].update).attr('disabled',
  55                                         is_cat || feed_id <= 0);
  56
  57                         try {
  58                                 if (infscroll_req == false) {
  59                                         $("headlines-frame").scrollTop = 0;
  60                                 }
  61                         } catch (e) { };
  62
  63                         var headlines_count = reply['headlines-info']['count'];
  64
  65                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  66
  67                         if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
  68                                 _infscroll_disable = 1;
  69                         } else {
  70                                 _infscroll_disable = 0;
  71                         }
  72
  73                         var counters = reply['counters'];
  74                         var articles = reply['articles'];
  75                         //var runtime_info = reply['runtime-info'];
  76
  77                         if (infscroll_req == false) {
  78                                 loaded_article_ids = [];
  79
  80                                 dijit.byId("headlines-frame").attr('content',
  81                                         reply['headlines']['content']);
  82
  83                                 dijit.byId("headlines-toolbar").attr('content',
  84                                         reply['headlines']['toolbar']);
  85
  86                                 $$("#headlines-frame > div[id*=RROW]").each(function(row) {
  87                                         if (loaded_article_ids.indexOf(row.id) != -1) {
  88                                                 row.parentNode.removeChild(row);
  89                                         } else {
  90                                                 loaded_article_ids.push(row.id);
  91                                         }
  92                                 });
  93
  94                                 if (getInitParam("cdm_auto_catchup") == 1) {
  95                                         var hsp = $("headlines-spacer");
  96                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
  97                                         dijit.byId('headlines-frame').domNode.appendChild(hsp);
  98                                 }
  99
 100                                 initHeadlinesMenu();
 101
 102                                 if (_search_query) {
 103                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 104                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 105                                                 "</span>";
 106                                 }
 107
 108                         } else {
 109
 110                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 111                                         console.log("adding some more headlines: " + headlines_count);
 112
 113                                         var c = dijit.byId("headlines-frame");
 114                                         var ids = getSelectedArticleIds2();
 115                                         var new_elems = [];
 116
 117                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 118
 119                                         var hsp = $("headlines-spacer");
 120
 121                                         if (hsp)
 122                                                 c.domNode.removeChild(hsp);
 123
 124                                         $$("#headlines-tmp > div").each(function(row) {
 125                                                 if (row.className == 'cdmFeedTitle') {
 126                                                         row.style.display = 'none';
 127                                                         c.domNode.appendChild(row);
 128                                                         new_elems.push(row);
 129                                                 } else if (loaded_article_ids.indexOf(row.id) == -1) {
 130                                                         row.style.display = 'none';
 131                                                         c.domNode.appendChild(row);
 132                                                         new_elems.push(row);
 133                                                         loaded_article_ids.push(row.id);
 134                                                 } else {
 135                                                         row.parentNode.removeChild(row);
 136                                                 }
 137                                         });
 138
 139                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 140
 141                                         fixHeadlinesOrder(getLoadedArticleIds());
 142
 143                                         if (getInitParam("cdm_auto_catchup") == 1) {
 144                                                 c.domNode.appendChild(hsp);
 145                                         }
 146
 147                                         console.log("added " + new_elems.size() + " headlines");
 148
 149                                         if (new_elems.size() == 0)
 150                                                 _infscroll_disable = true;
 151
 152                                         console.log("restore selected ids: " + ids);
 153
 154                                         for (var i = 0; i < ids.length; i++) {
 155                                                 markHeadline(ids[i]);
 156                                         }
 157
 158                                         initHeadlinesMenu();
 159
 160                                         new_elems.each(function(child) {
 161                                                 var cb = dijit.byId(child.id.replace("RROW-", "RCHK-"));
 162
 163                                                 if (!cb) {
 164                                                         dojo.parser.parse(child);
 165
 166                                                         if (!Element.visible(child))
 167                                                                 new Effect.Appear(child, { duration : 0.5 });
 168                                                 } else {
 169                                                         c.domNode.removeChild(child);
 170                                                 }
 171                                         });
 172
 173                                 } else {
 174                                         console.log("no new headlines received");
 175
 176                                         var hsp = $("headlines-spacer");
 177
 178                                         if (hsp) hsp.innerHTML = "";
 179                                 }
 180                         }
 181
 182                         if (articles) {
 183                                 for (var i = 0; i < articles.length; i++) {
 184                                         var a_id = articles[i]['id'];
 185                                         cache_set("article:" + a_id, articles[i]['content']);
 186                                 }
 187                         } else {
 188                                 console.log("no cached articles received");
 189                         }
 190
 191                         if (counters)
 192                                 parse_counters(counters);
 193                         else
 194                                 request_counters(true);
 195
 196                 } else if (transport.responseText) {
 197                         console.error("Invalid object received: " + transport.responseText);
 198                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 199                                         __('Could not update headlines (invalid object received - see error console for details)') +
 200                                         "</div>");
 201                 } else {
 202                         //notify_error("Error communicating with server.");
 203                         Element.show(dijit.byId("net-alert").domNode);
 204                 }
 205
 206                 _infscroll_request_sent = 0;
 207
 208                 notify("");
 209
 210         } catch (e) {
 211                 exception_error("headlines_callback2", e, transport);
 212         }
 213 }
 214
 215 function render_article(article) {
 216         try {
 217                 dijit.byId("headlines-wrap-inner").addChild(
 218                                 dijit.byId("content-insert"));
 219
 220                 var c = dijit.byId("content-insert");
 221
 222                 try {
 223                         c.domNode.scrollTop = 0;
 224                 } catch (e) { };
 225
 226                 c.attr('content', article);
 227
 228                 correctHeadlinesOffset(getActiveArticleId());
 229
 230                 try {
 231                         c.focus();
 232                 } catch (e) { };
 233
 234         } catch (e) {
 235                 exception_error("render_article", e);
 236         }
 237 }
 238
 239 function showArticleInHeadlines(id) {
 240
 241         try {
 242
 243                 selectArticles("none");
 244
 245                 var crow = $("RROW-" + id);
 246
 247                 if (!crow) return;
 248
 249                 var article_is_unread = crow.hasClassName("Unread");
 250
 251                 crow.removeClassName("Unread");
 252
 253                 selectArticles('none');
 254
 255                 var view_mode = false;
 256
 257                 try {
 258                         view_mode = document.forms['main_toolbar_form'].view_mode;
 259                         view_mode = view_mode[view_mode.selectedIndex].value;
 260                 } catch (e) {
 261                         //
 262                 }
 263
 264                 markHeadline(id);
 265
 266                 if (article_is_unread)
 267                         _force_scheduled_update = true;
 268
 269         } catch (e) {
 270                 exception_error("showArticleInHeadlines", e);
 271         }
 272 }
 273
 274 function article_callback2(transport, id) {
 275         try {
 276                 console.log("article_callback2 " + id);
 277
 278                 handle_rpc_json(transport);
 279
 280                 var reply = false;
 281
 282                 try {
 283                         reply = JSON.parse(transport.responseText);
 284                 } catch (e) {
 285                         console.error(e);
 286                 }
 287
 288                 if (reply) {
 289
 290                         reply.each(function(article) {
 291                                 if (getActiveArticleId() == article['id']) {
 292                                         render_article(article['content']);
 293                                 }
 294                                 cids_requested.remove(article['id']);
 295
 296                                 cache_set("article:" + article['id'], article['content']);
 297                         });
 298
 299 //                      if (id != last_requested_article) {
 300 //                              console.log("requested article id is out of sequence, aborting");
 301 //                              return;
 302 //                      }
 303
 304                 } else if (transport.responseText) {
 305                         console.error("Invalid object received: " + transport.responseText);
 306
 307                         render_article("<div class='whiteBox'>" +
 308                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 309                 } else {
 310                         Element.show(dijit.byId("net-alert").domNode);
 311                 }
 312
 313                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 314                 request_counters(unread_in_buffer == 0);
 315
 316                 headlines_scroll_handler($("headlines-frame"));
 317
 318 /*              try {
 319                         if (!_infscroll_disable &&
 320                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 321
 322                                 loadMoreHeadlines();
 323                         }
 324                 } catch (e) {
 325                         console.warn(e);
 326                 } */
 327
 328                 notify("");
 329         } catch (e) {
 330                 exception_error("article_callback2", e, transport);
 331         }
 332 }
 333
 334 function view(id) {
 335         try {
 336                 var crow = $("RROW-" + id);
 337
 338                 if (!crow) return;
 339
 340                 console.log("loading article: " + id);
 341
 342                 var cached_article = cache_get("article:" + id);
 343
 344                 console.log("cache check result: " + (cached_article != false));
 345
 346                 hideAuxDlg();
 347
 348                 var query = "?op=article&method=view&id=" + param_escape(id);
 349
 350                 var neighbor_ids = getRelativePostIds(id);
 351
 352                 /* only request uncached articles */
 353
 354                 var cids_to_request = [];
 355
 356                 for (var i = 0; i < neighbor_ids.length; i++) {
 357                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 358                                 if (!cache_get("article:" + neighbor_ids[i])) {
 359                                         cids_to_request.push(neighbor_ids[i]);
 360                                         cids_requested.push(neighbor_ids[i]);
 361                                 }
 362                 }
 363
 364                 console.log("additional ids: " + cids_to_request.toString());
 365
 366                 query = query + "&cids=" + cids_to_request.toString();
 367
 368                 var article_is_unread = crow.hasClassName("Unread");
 369
 370                 setActiveArticleId(id);
 371                 showArticleInHeadlines(id);
 372
 373                 if (cached_article && article_is_unread) {
 374
 375                         query = query + "&mode=prefetch";
 376
 377                         render_article(cached_article);
 378
 379                 } else if (cached_article) {
 380
 381                         query = query + "&mode=prefetch_old";
 382                         render_article(cached_article);
 383
 384                         // if we don't need to request any relative ids, we might as well skip
 385                         // the server roundtrip altogether
 386                         if (cids_to_request.length == 0) {
 387
 388 /*                              try {
 389                                         if (!_infscroll_disable &&
 390                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 391
 392                                                         loadMoreHeadlines();
 393                                         }
 394                                 } catch (e) {
 395                                         console.warn(e);
 396                                 } */
 397
 398                                 headlines_scroll_handler($("headlines-frame"));
 399
 400                                 return;
 401                         }
 402                 }
 403
 404                 last_requested_article = id;
 405
 406                 console.log(query);
 407
 408                 if (article_is_unread) {
 409                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 410                 }
 411
 412                 new Ajax.Request("backend.php", {
 413                         parameters: query,
 414                         onComplete: function(transport) {
 415                                 article_callback2(transport, id);
 416                         } });
 417
 418                 return false;
 419
 420         } catch (e) {
 421                 exception_error("view", e);
 422         }
 423 }
 424
 425 function toggleMark(id, client_only) {
 426         try {
 427                 var query = "?op=rpc&id=" + id + "&method=mark";
 428
 429                 var img = $("FMPIC-" + id);
 430
 431                 if (!img) return;
 432
 433                 if (img.src.match("mark_unset")) {
 434                         img.src = img.src.replace("mark_unset", "mark_set");
 435                         img.alt = __("Unstar article");
 436                         query = query + "&mark=1";
 437
 438                 } else {
 439                         img.src = img.src.replace("mark_set", "mark_unset");
 440                         img.alt = __("Star article");
 441                         query = query + "&mark=0";
 442                 }
 443
 444                 if (!client_only) {
 445                         new Ajax.Request("backend.php", {
 446                                 parameters: query,
 447                                 onComplete: function(transport) {
 448                                         handle_rpc_json(transport);
 449                                 } });
 450                 }
 451
 452         } catch (e) {
 453                 exception_error("toggleMark", e);
 454         }
 455 }
 456
 457 function togglePub(id, client_only, no_effects, note) {
 458         try {
 459                 var query = "?op=rpc&id=" + id + "&method=publ";
 460
 461                 if (note != undefined) {
 462                         query = query + "&note=" + param_escape(note);
 463                 } else {
 464                         query = query + "&note=undefined";
 465                 }
 466
 467                 var img = $("FPPIC-" + id);
 468
 469                 if (!img) return;
 470
 471                 if (img.src.match("pub_unset") || note != undefined) {
 472                         img.src = img.src.replace("pub_unset", "pub_set");
 473                         img.alt = __("Unpublish article");
 474                         query = query + "&pub=1";
 475
 476                 } else {
 477                         img.src = img.src.replace("pub_set", "pub_unset");
 478                         img.alt = __("Publish article");
 479
 480                         query = query + "&pub=0";
 481                 }
 482
 483                 if (!client_only) {
 484                         new Ajax.Request("backend.php", {
 485                                 parameters: query,
 486                                 onComplete: function(transport) {
 487                                         handle_rpc_json(transport);
 488                                 } });
 489                 }
 490
 491         } catch (e) {
 492                 exception_error("togglePub", e);
 493         }
 494 }
 495
 496 function moveToPost(mode, noscroll) {
 497
 498         try {
 499
 500                 var rows = getVisibleArticleIds();
 501
 502                 var prev_id = false;
 503                 var next_id = false;
 504
 505                 if (!$('RROW-' + getActiveArticleId())) {
 506                         setActiveArticleId(0);
 507                 }
 508
 509                 if (!getActiveArticleId()) {
 510                         next_id = rows[0];
 511                         prev_id = rows[rows.length-1]
 512                 } else {
 513                         for (var i = 0; i < rows.length; i++) {
 514                                 if (rows[i] == getActiveArticleId()) {
 515
 516                                         // Account for adjacent identical article ids.
 517                                         if (i > 0) prev_id = rows[i-1];
 518
 519                                         for (var j = i+1; j < rows.length; j++) {
 520                                                 if (rows[j] != getActiveArticleId()) {
 521                                                         next_id = rows[j];
 522                                                         break;
 523                                                 }
 524                                         }
 525                                         break;
 526                                 }
 527                         }
 528                 }
 529
 530                 if (mode == "next") {
 531                         if (next_id || getActiveArticleId()) {
 532                                 if (isCdmMode()) {
 533
 534                                         var article = $("RROW-" + getActiveArticleId());
 535                                         var ctr = $("headlines-frame");
 536
 537                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 538                                                         ctr.scrollTop + ctr.offsetHeight) {
 539
 540                                                 scrollArticle(ctr.offsetHeight/2);
 541
 542                                         } else if (next_id) {
 543                                                 cdmExpandArticle(next_id);
 544                                                 cdmScrollToArticleId(next_id, noscroll);
 545                                         }
 546
 547                                 } else if (next_id) {
 548                                         correctHeadlinesOffset(next_id);
 549                                         view(next_id, getActiveFeedId());
 550                                 }
 551                         }
 552                 }
 553
 554                 if (mode == "prev") {
 555                         if (prev_id || getActiveArticleId()) {
 556                                 if (isCdmMode()) {
 557
 558                                         var article = $("RROW-" + getActiveArticleId());
 559                                         var prev_article = $("RROW-" + prev_id);
 560                                         var ctr = $("headlines-frame");
 561
 562                                         if (!getInitParam("cdm_expanded")) {
 563                                                 cdmExpandArticle(prev_id);
 564                                                 cdmScrollToArticleId(prev_id, true);
 565                                         } else {
 566
 567                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 568                                                         scrollArticle(-ctr.offsetHeight/3);
 569                                                 } else if (!noscroll && prev_article &&
 570                                                                 prev_article.offsetTop < ctr.scrollTop) {
 571                                                         cdmExpandArticle(prev_id);
 572                                                         scrollArticle(-ctr.offsetHeight/3);
 573                                                 } else if (prev_id) {
 574                                                         cdmExpandArticle(prev_id);
 575                                                         cdmScrollToArticleId(prev_id, noscroll);
 576                                                 }
 577                                         }
 578
 579                                 } else if (prev_id) {
 580                                         correctHeadlinesOffset(prev_id);
 581                                         view(prev_id, getActiveFeedId());
 582                                 }
 583                         }
 584                 }
 585
 586         } catch (e) {
 587                 exception_error("moveToPost", e);
 588         }
 589 }
 590
 591 function toggleSelected(id, force_on) {
 592         try {
 593
 594                 var cb = dijit.byId("RCHK-" + id);
 595                 var row = $("RROW-" + id);
 596
 597                 if (row) {
 598                         if (row.hasClassName('Selected') && !force_on) {
 599                                 row.removeClassName('Selected');
 600                                 if (cb) cb.attr("checked", false);
 601                         } else {
 602                                 row.addClassName('Selected');
 603                                 if (cb) cb.attr("checked", true);
 604                         }
 605                 }
 606         } catch (e) {
 607                 exception_error("toggleSelected", e);
 608         }
 609 }
 610
 611 function toggleUnread_afh(effect) {
 612         try {
 613
 614                 var elem = effect.element;
 615                 elem.style.backgroundColor = "";
 616
 617         } catch (e) {
 618                 exception_error("toggleUnread_afh", e);
 619         }
 620 }
 621
 622 function toggleUnread(id, cmode, effect) {
 623         try {
 624
 625                 var row = $("RROW-" + id);
 626                 if (row) {
 627                         if (cmode == undefined || cmode == 2) {
 628                                 if (row.hasClassName("Unread")) {
 629                                         row.removeClassName("Unread");
 630
 631                                         if (effect) {
 632                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 633                                                         afterFinish: toggleUnread_afh,
 634                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 635                                         }
 636
 637                                 } else {
 638                                         row.addClassName("Unread");
 639                                 }
 640
 641                         } else if (cmode == 0) {
 642
 643                                 row.removeClassName("Unread");
 644
 645                                 if (effect) {
 646                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 647                                                 afterFinish: toggleUnread_afh,
 648                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 649                                 }
 650
 651                         } else if (cmode == 1) {
 652                                 row.addClassName("Unread");
 653                         }
 654
 655                         if (cmode == undefined) cmode = 2;
 656
 657                         var query = "?op=rpc&method=catchupSelected" +
 658                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 659
 660 //                      notify_progress("Loading, please wait...");
 661
 662                         new Ajax.Request("backend.php", {
 663                                 parameters: query,
 664                                 onComplete: function(transport) {
 665                                         handle_rpc_json(transport);
 666                                 } });
 667
 668                 }
 669
 670         } catch (e) {
 671                 exception_error("toggleUnread", e);
 672         }
 673 }
 674
 675 function selectionRemoveLabel(id, ids) {
 676         try {
 677
 678                 if (!ids) ids = getSelectedArticleIds2();
 679
 680                 if (ids.length == 0) {
 681                         alert(__("No articles are selected."));
 682                         return;
 683                 }
 684
 685                 var query = "?op=rpc&method=removeFromLabel&ids=" +
 686                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 687
 688                 console.log(query);
 689
 690                 new Ajax.Request("backend.php", {
 691                         parameters: query,
 692                         onComplete: function(transport) {
 693                                 handle_rpc_json(transport);
 694                                 show_labels_in_headlines(transport);
 695                         } });
 696
 697         } catch (e) {
 698                 exception_error("selectionAssignLabel", e);
 699
 700         }
 701 }
 702
 703 function selectionAssignLabel(id, ids) {
 704         try {
 705
 706                 if (!ids) ids = getSelectedArticleIds2();
 707
 708                 if (ids.length == 0) {
 709                         alert(__("No articles are selected."));
 710                         return;
 711                 }
 712
 713                 var query = "?op=rpc&method=assignToLabel&ids=" +
 714                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 715
 716                 console.log(query);
 717
 718                 new Ajax.Request("backend.php", {
 719                         parameters: query,
 720                         onComplete: function(transport) {
 721                                 handle_rpc_json(transport);
 722                                 show_labels_in_headlines(transport);
 723                         } });
 724
 725         } catch (e) {
 726                 exception_error("selectionAssignLabel", e);
 727
 728         }
 729 }
 730
 731 function selectionToggleUnread(set_state, callback, no_error) {
 732         try {
 733                 var rows = getSelectedArticleIds2();
 734
 735                 if (rows.length == 0 && !no_error) {
 736                         alert(__("No articles are selected."));
 737                         return;
 738                 }
 739
 740                 for (var i = 0; i < rows.length; i++) {
 741                         var row = $("RROW-" + rows[i]);
 742                         if (row) {
 743                                 if (set_state == undefined) {
 744                                         if (row.hasClassName("Unread")) {
 745                                                 row.removeClassName("Unread");
 746                                         } else {
 747                                                 row.addClassName("Unread");
 748                                         }
 749                                 }
 750
 751                                 if (set_state == false) {
 752                                         row.removeClassName("Unread");
 753                                 }
 754
 755                                 if (set_state == true) {
 756                                         row.addClassName("Unread");
 757                                 }
 758                         }
 759                 }
 760
 761                 if (rows.length > 0) {
 762
 763                         var cmode = "";
 764
 765                         if (set_state == undefined) {
 766                                 cmode = "2";
 767                         } else if (set_state == true) {
 768                                 cmode = "1";
 769                         } else if (set_state == false) {
 770                                 cmode = "0";
 771                         }
 772
 773                         var query = "?op=rpc&method=catchupSelected" +
 774                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 775
 776                         notify_progress("Loading, please wait...");
 777
 778                         new Ajax.Request("backend.php", {
 779                                 parameters: query,
 780                                 onComplete: function(transport) {
 781                                         handle_rpc_json(transport);
 782                                         if (callback) callback(transport);
 783                                 } });
 784
 785                 }
 786
 787         } catch (e) {
 788                 exception_error("selectionToggleUnread", e);
 789         }
 790 }
 791
 792 function selectionToggleMarked() {
 793         try {
 794
 795                 var rows = getSelectedArticleIds2();
 796
 797                 if (rows.length == 0) {
 798                         alert(__("No articles are selected."));
 799                         return;
 800                 }
 801
 802                 for (var i = 0; i < rows.length; i++) {
 803                         toggleMark(rows[i], true, true);
 804                 }
 805
 806                 if (rows.length > 0) {
 807
 808                         var query = "?op=rpc&method=markSelected&ids=" +
 809                                 param_escape(rows.toString()) + "&cmode=2";
 810
 811                         new Ajax.Request("backend.php", {
 812                                 parameters: query,
 813                                 onComplete: function(transport) {
 814                                         handle_rpc_json(transport);
 815                                 } });
 816
 817                 }
 818
 819         } catch (e) {
 820                 exception_error("selectionToggleMarked", e);
 821         }
 822 }
 823
 824 function selectionTogglePublished() {
 825         try {
 826
 827                 var rows = getSelectedArticleIds2();
 828
 829                 if (rows.length == 0) {
 830                         alert(__("No articles are selected."));
 831                         return;
 832                 }
 833
 834                 for (var i = 0; i < rows.length; i++) {
 835                         togglePub(rows[i], true, true);
 836                 }
 837
 838                 if (rows.length > 0) {
 839
 840                         var query = "?op=rpc&method=publishSelected&ids=" +
 841                                 param_escape(rows.toString()) + "&cmode=2";
 842
 843                         new Ajax.Request("backend.php", {
 844                                 parameters: query,
 845                                 onComplete: function(transport) {
 846                                         handle_rpc_json(transport);
 847                                 } });
 848
 849                 }
 850
 851         } catch (e) {
 852                 exception_error("selectionToggleMarked", e);
 853         }
 854 }
 855
 856 function getSelectedArticleIds2() {
 857
 858         var rv = [];
 859
 860         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 861                 function(child) {
 862                         rv.push(child.id.replace("RROW-", ""));
 863                 });
 864
 865         return rv;
 866 }
 867
 868 function getLoadedArticleIds() {
 869         var rv = [];
 870
 871         var children = $$("#headlines-frame > div[id*=RROW-]");
 872
 873         children.each(function(child) {
 874                         rv.push(child.id.replace("RROW-", ""));
 875                 });
 876
 877         return rv;
 878
 879 }
 880
 881 // mode = all,none,unread,invert,marked,published
 882 function selectArticles(mode) {
 883         try {
 884
 885                 var children = $$("#headlines-frame > div[id*=RROW]");
 886
 887                 children.each(function(child) {
 888                         var id = child.id.replace("RROW-", "");
 889                         var cb = dijit.byId("RCHK-" + id);
 890
 891                         if (mode == "all") {
 892                                 child.addClassName("Selected");
 893                                 if (cb) cb.attr("checked", true);
 894                         } else if (mode == "unread") {
 895                                 if (child.hasClassName("Unread")) {
 896                                         child.addClassName("Selected");
 897                                         if (cb) cb.attr("checked", true);
 898                                 } else {
 899                                         child.removeClassName("Selected");
 900                                         if (cb) cb.attr("checked", false);
 901                                 }
 902                         } else if (mode == "marked") {
 903                                 var img = $("FMPIC-" + child.id.replace("RROW-", ""));
 904
 905                                 if (img && img.src.match("mark_set")) {
 906                                         child.addClassName("Selected");
 907                                         if (cb) cb.attr("checked", true);
 908                                 } else {
 909                                         child.removeClassName("Selected");
 910                                         if (cb) cb.attr("checked", false);
 911                                 }
 912                         } else if (mode == "published") {
 913                                 var img = $("FPPIC-" + child.id.replace("RROW-", ""));
 914
 915                                 if (img && img.src.match("pub_set")) {
 916                                         child.addClassName("Selected");
 917                                         if (cb) cb.attr("checked", true);
 918                                 } else {
 919                                         child.removeClassName("Selected");
 920                                         if (cb) cb.attr("checked", false);
 921                                 }
 922
 923                         } else if (mode == "invert") {
 924                                 if (child.hasClassName("Selected")) {
 925                                         child.removeClassName("Selected");
 926                                         if (cb) cb.attr("checked", false);
 927                                 } else {
 928                                         child.addClassName("Selected");
 929                                         if (cb) cb.attr("checked", true);
 930                                 }
 931
 932                         } else {
 933                                 child.removeClassName("Selected");
 934                                 if (cb) cb.attr("checked", false);
 935                         }
 936                 });
 937
 938         } catch (e) {
 939                 exception_error("selectArticles", e);
 940         }
 941 }
 942
 943 function catchupPage() {
 944
 945         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 946
 947         var str = __("Mark all visible articles in %s as read?");
 948
 949         str = str.replace("%s", fn);
 950
 951         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 952                 return;
 953         }
 954
 955         selectArticles('all');
 956         selectionToggleUnread(false, 'viewCurrentFeed()', true);
 957         selectArticles('none');
 958 }
 959
 960 function deleteSelection() {
 961
 962         try {
 963
 964                 var rows = getSelectedArticleIds2();
 965
 966                 if (rows.length == 0) {
 967                         alert(__("No articles are selected."));
 968                         return;
 969                 }
 970
 971                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 972                 var str;
 973
 974                 if (getActiveFeedId() != 0) {
 975                         str = __("Delete %d selected articles in %s?");
 976                 } else {
 977                         str = __("Delete %d selected articles?");
 978                 }
 979
 980                 str = str.replace("%d", rows.length);
 981                 str = str.replace("%s", fn);
 982
 983                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 984                         return;
 985                 }
 986
 987                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
 988
 989                 console.log(query);
 990
 991                 new Ajax.Request("backend.php", {
 992                         parameters: query,
 993                         onComplete: function(transport) {
 994                                         handle_rpc_json(transport);
 995                                         viewCurrentFeed();
 996                                 } });
 997
 998         } catch (e) {
 999                 exception_error("deleteSelection", e);
1000         }
1001 }
1002
1003 function archiveSelection() {
1004
1005         try {
1006
1007                 var rows = getSelectedArticleIds2();
1008
1009                 if (rows.length == 0) {
1010                         alert(__("No articles are selected."));
1011                         return;
1012                 }
1013
1014                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1015                 var str;
1016                 var op;
1017
1018                 if (getActiveFeedId() != 0) {
1019                         str = __("Archive %d selected articles in %s?");
1020                         op = "archive";
1021                 } else {
1022                         str = __("Move %d archived articles back?");
1023                         op = "unarchive";
1024                 }
1025
1026                 str = str.replace("%d", rows.length);
1027                 str = str.replace("%s", fn);
1028
1029                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1030                         return;
1031                 }
1032
1033                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1034
1035                 console.log(query);
1036
1037                 for (var i = 0; i < rows.length; i++) {
1038                         cache_delete("article:" + rows[i]);
1039                 }
1040
1041                 new Ajax.Request("backend.php", {
1042                         parameters: query,
1043                         onComplete: function(transport) {
1044                                         handle_rpc_json(transport);
1045                                         viewCurrentFeed();
1046                                 } });
1047
1048         } catch (e) {
1049                 exception_error("archiveSelection", e);
1050         }
1051 }
1052
1053 function catchupSelection() {
1054
1055         try {
1056
1057                 var rows = getSelectedArticleIds2();
1058
1059                 if (rows.length == 0) {
1060                         alert(__("No articles are selected."));
1061                         return;
1062                 }
1063
1064                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1065
1066                 var str = __("Mark %d selected articles in %s as read?");
1067
1068                 str = str.replace("%d", rows.length);
1069                 str = str.replace("%s", fn);
1070
1071                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1072                         return;
1073                 }
1074
1075                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1076
1077         } catch (e) {
1078                 exception_error("catchupSelection", e);
1079         }
1080 }
1081
1082 function editArticleTags(id) {
1083                 var query = "backend.php?op=dlg&method=editArticleTags&param=" + param_escape(id);
1084
1085                 if (dijit.byId("editTagsDlg"))
1086                         dijit.byId("editTagsDlg").destroyRecursive();
1087
1088                 dialog = new dijit.Dialog({
1089                         id: "editTagsDlg",
1090                         title: __("Edit article Tags"),
1091                         style: "width: 600px",
1092                         execute: function() {
1093                                 if (this.validate()) {
1094                                         var query = dojo.objectToQuery(this.attr('value'));
1095
1096                                         notify_progress("Saving article tags...", true);
1097
1098                                         new Ajax.Request("backend.php", {
1099                                         parameters: query,
1100                                         onComplete: function(transport) {
1101                                                 notify('');
1102                                                 dialog.hide();
1103
1104                                                 var data = JSON.parse(transport.responseText);
1105
1106                                                 if (data) {
1107                                                         var tags_str = article.tags;
1108                                                         var id = tags_str.id;
1109
1110                                                         var tags = $("ATSTR-" + id);
1111                                                         var tooltip = dijit.byId("ATSTRTIP-" + id);
1112
1113                                                         if (tags) tags.innerHTML = tags_str.content;
1114                                                         if (tooltip) tooltip.attr('label', tags_str.content_full);
1115
1116                                                         cache_delete("article:" + id);
1117                                                 }
1118
1119                                         }});
1120                                 }
1121                         },
1122                         href: query,
1123                 });
1124
1125                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1126                 dojo.disconnect(tmph);
1127
1128                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1129                            "backend.php?op=rpc&method=completeTags",
1130                            { tokens: ',', paramName: "search" });
1131                 });
1132
1133                 dialog.show();
1134
1135 }
1136
1137 function cdmScrollToArticleId(id, force) {
1138         try {
1139                 var ctr = $("headlines-frame");
1140                 var e = $("RROW-" + id);
1141
1142                 if (!e || !ctr) return;
1143
1144                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1145                                 e.offsetTop < ctr.scrollTop) {
1146                         ctr.scrollTop = e.offsetTop;
1147                 }
1148
1149         } catch (e) {
1150                 exception_error("cdmScrollToArticleId", e);
1151         }
1152 }
1153
1154 function setActiveArticleId(id) {
1155         _active_article_id = id;
1156 }
1157
1158 function getActiveArticleId() {
1159         return _active_article_id;
1160 }
1161
1162 function postMouseIn(id) {
1163         post_under_pointer = id;
1164 }
1165
1166 function postMouseOut(id) {
1167         post_under_pointer = false;
1168 }
1169
1170 function headlines_scroll_handler(e) {
1171         try {
1172                 var hsp = $("headlines-spacer");
1173
1174                 if (!_infscroll_disable) {
1175                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1176                                         (e.scrollHeight != 0 &&
1177                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1178
1179                                 if (hsp)
1180                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1181                                                 __("Loading, please wait...");
1182
1183                                 loadMoreHeadlines();
1184                                 return;
1185
1186                         }
1187                 } else {
1188                         if (hsp) hsp.innerHTML = "";
1189                 }
1190
1191                 if (getInitParam("cdm_auto_catchup") == 1) {
1192
1193                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1194                                 function(child) {
1195                                         if ($("headlines-frame").scrollTop >
1196                                                         (child.offsetTop + child.offsetHeight/2)) {
1197
1198                                                 var id = child.id.replace("RROW-", "");
1199
1200                                                 if (catchup_id_batch.indexOf(id) == -1)
1201                                                         catchup_id_batch.push(id);
1202
1203                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1204                                         }
1205                                 });
1206
1207                         if (catchup_id_batch.length > 0) {
1208                                 window.clearTimeout(catchup_timeout_id);
1209
1210                                 if (!_infscroll_request_sent) {
1211                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1212                                                 2000);
1213                                 }
1214                         }
1215                 }
1216
1217         } catch (e) {
1218                 console.warn("headlines_scroll_handler: " + e);
1219         }
1220 }
1221
1222 function catchupBatchedArticles() {
1223         try {
1224                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1225
1226                         // make a copy of the array
1227                         var batch = catchup_id_batch.slice();
1228                         var query = "?op=rpc&method=catchupSelected" +
1229                                 "&cmode=0&ids=" + param_escape(batch.toString());
1230
1231                         console.log(query);
1232
1233                         new Ajax.Request("backend.php", {
1234                                 parameters: query,
1235                                 onComplete: function(transport) {
1236                                         handle_rpc_json(transport);
1237
1238                                         batch.each(function(id) {
1239                                                 var elem = $("RROW-" + id);
1240                                                 if (elem) elem.removeClassName("Unread");
1241                                                 catchup_id_batch.remove(id);
1242                                         });
1243
1244                                 } });
1245                 }
1246
1247         } catch (e) {
1248                 exception_error("catchupBatchedArticles", e);
1249         }
1250 }
1251
1252 function catchupRelativeToArticle(below, id) {
1253
1254         try {
1255
1256                 if (!id) id = getActiveArticleId();
1257
1258                 if (!id) {
1259                         alert(__("No article is selected."));
1260                         return;
1261                 }
1262
1263                 var visible_ids = getVisibleArticleIds();
1264
1265                 var ids_to_mark = new Array();
1266
1267                 if (!below) {
1268                         for (var i = 0; i < visible_ids.length; i++) {
1269                                 if (visible_ids[i] != id) {
1270                                         var e = $("RROW-" + visible_ids[i]);
1271
1272                                         if (e && e.hasClassName("Unread")) {
1273                                                 ids_to_mark.push(visible_ids[i]);
1274                                         }
1275                                 } else {
1276                                         break;
1277                                 }
1278                         }
1279                 } else {
1280                         for (var i = visible_ids.length-1; i >= 0; i--) {
1281                                 if (visible_ids[i] != id) {
1282                                         var e = $("RROW-" + visible_ids[i]);
1283
1284                                         if (e && e.hasClassName("Unread")) {
1285                                                 ids_to_mark.push(visible_ids[i]);
1286                                         }
1287                                 } else {
1288                                         break;
1289                                 }
1290                         }
1291                 }
1292
1293                 if (ids_to_mark.length == 0) {
1294                         alert(__("No articles found to mark"));
1295                 } else {
1296                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1297
1298                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1299
1300                                 for (var i = 0; i < ids_to_mark.length; i++) {
1301                                         var e = $("RROW-" + ids_to_mark[i]);
1302                                         e.removeClassName("Unread");
1303                                 }
1304
1305                                 var query = "?op=rpc&method=catchupSelected" +
1306                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1307
1308                                 new Ajax.Request("backend.php", {
1309                                         parameters: query,
1310                                         onComplete: function(transport) {
1311                                                 handle_rpc_json(transport);
1312                                         } });
1313
1314                         }
1315                 }
1316
1317         } catch (e) {
1318                 exception_error("catchupRelativeToArticle", e);
1319         }
1320 }
1321
1322 function cdmCollapseArticle(event, id) {
1323         try {
1324                 var row = $("RROW-" + id);
1325                 var elem = $("CICD-" + id);
1326
1327                 if (elem && row) {
1328                         var collapse = $$("div#RROW-" + id +
1329                                 " span[class='collapseBtn']")[0];
1330
1331                         Element.hide(elem);
1332                         Element.show("CEXC-" + id);
1333                         Element.hide(collapse);
1334
1335                         markHeadline(id, false);
1336
1337                         if (id == getActiveArticleId()) {
1338                                 setActiveArticleId(0);
1339                         }
1340
1341                         if (event) Event.stop(event);
1342                 }
1343
1344         } catch (e) {
1345                 exception_error("cdmCollapseArticle", e);
1346         }
1347 }
1348
1349 function cdmExpandArticle(id) {
1350         try {
1351
1352                 console.log("cdmExpandArticle " + id);
1353
1354                 hideAuxDlg();
1355
1356                 var elem = $("CICD-" + getActiveArticleId());
1357
1358                 if (id == getActiveArticleId() && Element.visible(elem))
1359                         return true;
1360
1361                 selectArticles("none");
1362
1363                 var old_offset = $("RROW-" + id).offsetTop;
1364
1365                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1366                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1367                                 " span[class='collapseBtn']")[0];
1368
1369                         Element.hide(elem);
1370                         Element.show("CEXC-" + getActiveArticleId());
1371                         Element.hide(collapse);
1372                 }
1373
1374                 setActiveArticleId(id);
1375
1376                 if (!getInitParam("cdm_expanded")) {
1377                         cdmScrollToArticleId(id, true);
1378                 }
1379
1380                 elem = $("CICD-" + id);
1381
1382                 var collapse = $$("div#RROW-" + id +
1383                                 " span[class='collapseBtn']")[0];
1384
1385                 var cencw = $("CENCW-" + id);
1386
1387                 if (!Element.visible(elem)) {
1388                         if (cencw) {
1389                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1390                                 cencw.setAttribute('id', '');
1391                         }
1392
1393                         Element.show(elem);
1394                         Element.hide("CEXC-" + id);
1395                         Element.show(collapse);
1396                 }
1397
1398                 /* var new_offset = $("RROW-" + id).offsetTop;
1399
1400                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1401
1402                 if ($("RROW-" + id).offsetTop != old_offset)
1403                         $("headlines-frame").scrollTop = new_offset; */
1404
1405                 toggleUnread(id, 0, true);
1406                 toggleSelected(id);
1407
1408         } catch (e) {
1409                 exception_error("cdmExpandArticle", e);
1410         }
1411
1412         return false;
1413 }
1414
1415 function fixHeadlinesOrder(ids) {
1416         try {
1417                 for (var i = 0; i < ids.length; i++) {
1418                         var e = $("RROW-" + ids[i]);
1419
1420                         if (e) {
1421                                 if (i % 2 == 0) {
1422                                         e.removeClassName("even");
1423                                         e.addClassName("odd");
1424                                 } else {
1425                                         e.removeClassName("odd");
1426                                         e.addClassName("even");
1427                                 }
1428                         }
1429                 }
1430         } catch (e) {
1431                 exception_error("fixHeadlinesOrder", e);
1432         }
1433 }
1434
1435 function getArticleUnderPointer() {
1436         return post_under_pointer;
1437 }
1438
1439 function scrollArticle(offset) {
1440         try {
1441                 if (!isCdmMode()) {
1442                         var ci = $("content-insert");
1443                         if (ci) {
1444                                 ci.scrollTop += offset;
1445                         }
1446                 } else {
1447                         var hi = $("headlines-frame");
1448                         if (hi) {
1449                                 hi.scrollTop += offset;
1450                         }
1451
1452                 }
1453         } catch (e) {
1454                 exception_error("scrollArticle", e);
1455         }
1456 }
1457
1458 function show_labels_in_headlines(transport) {
1459         try {
1460                 var data = JSON.parse(transport.responseText);
1461
1462                 if (data) {
1463                         data['info-for-headlines'].each(function(elem) {
1464                                 var ctr = $("HLLCTR-" + elem.id);
1465
1466                                 if (ctr) ctr.innerHTML = elem.labels;
1467                         });
1468                 }
1469         } catch (e) {
1470                 exception_error("show_labels_in_headlines", e);
1471         }
1472 }
1473
1474 function dismissArticle(id) {
1475         try {
1476                 var elem = $("RROW-" + id);
1477
1478                 toggleUnread(id, 0, true);
1479
1480                 new Effect.Fade(elem, {duration : 0.5});
1481
1482                 if (id == getActiveArticleId()) {
1483                         setActiveArticleId(0);
1484                 }
1485
1486         } catch (e) {
1487                 exception_error("dismissArticle", e);
1488         }
1489 }
1490
1491 function dismissSelectedArticles() {
1492         try {
1493
1494                 var ids = getVisibleArticleIds();
1495                 var tmp = [];
1496                 var sel = [];
1497
1498                 for (var i = 0; i < ids.length; i++) {
1499                         var elem = $("RROW-" + ids[i]);
1500
1501                         if (elem.className && elem.hasClassName("Selected") &&
1502                                         ids[i] != getActiveArticleId()) {
1503                                 new Effect.Fade(elem, {duration : 0.5});
1504                                 sel.push(ids[i]);
1505                         } else {
1506                                 tmp.push(ids[i]);
1507                         }
1508                 }
1509
1510                 if (sel.length > 0)
1511                         selectionToggleUnread(false);
1512
1513                 fixHeadlinesOrder(tmp);
1514
1515         } catch (e) {
1516                 exception_error("dismissSelectedArticles", e);
1517         }
1518 }
1519
1520 function dismissReadArticles() {
1521         try {
1522
1523                 var ids = getVisibleArticleIds();
1524                 var tmp = [];
1525
1526                 for (var i = 0; i < ids.length; i++) {
1527                         var elem = $("RROW-" + ids[i]);
1528
1529                         if (elem.className && !elem.hasClassName("Unread") &&
1530                                         !elem.hasClassName("Selected")) {
1531
1532                                 new Effect.Fade(elem, {duration : 0.5});
1533                         } else {
1534                                 tmp.push(ids[i]);
1535                         }
1536                 }
1537
1538                 fixHeadlinesOrder(tmp);
1539
1540         } catch (e) {
1541                 exception_error("dismissSelectedArticles", e);
1542         }
1543 }
1544
1545 function getVisibleArticleIds() {
1546         var ids = [];
1547
1548         try {
1549
1550                 getLoadedArticleIds().each(function(id) {
1551                         var elem = $("RROW-" + id);
1552                         if (elem && Element.visible(elem))
1553                                 ids.push(id);
1554                         });
1555
1556         } catch (e) {
1557                 exception_error("getVisibleArticleIds", e);
1558         }
1559
1560         return ids;
1561 }
1562
1563 function cdmClicked(event, id) {
1564         try {
1565                 //var shift_key = event.shiftKey;
1566
1567                 hideAuxDlg();
1568
1569                 if (!event.ctrlKey) {
1570
1571                         if (!getInitParam("cdm_expanded")) {
1572                                 return cdmExpandArticle(id);
1573                         } else {
1574
1575                                 selectArticles("none");
1576                                 toggleSelected(id);
1577
1578                                 var elem = $("RROW-" + id);
1579                                 var article_is_unread = elem.hasClassName("Unread");
1580
1581                                 if (elem)
1582                                         elem.removeClassName("Unread");
1583
1584                                 setActiveArticleId(id);
1585
1586                                 if (article_is_unread) {
1587                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1588                                 }
1589
1590                                 var query = "?op=rpc&method=catchupSelected" +
1591                                         "&cmode=0&ids=" + param_escape(id);
1592
1593                                 new Ajax.Request("backend.php", {
1594                                         parameters: query,
1595                                         onComplete: function(transport) {
1596                                                 handle_rpc_json(transport);
1597                                         } });
1598
1599                                 return !event.shiftKey;
1600                         }
1601
1602                 } else {
1603                         toggleSelected(id, true);
1604
1605                         var elem = $("RROW-" + id);
1606                         var article_is_unread = elem.hasClassName("Unread");
1607
1608                         if (article_is_unread) {
1609                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1610                         }
1611
1612                         toggleUnread(id, 0, false);
1613
1614                         openArticleInNewWindow(id);
1615                 }
1616
1617                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1618                 request_counters(unread_in_buffer == 0);
1619
1620         } catch (e) {
1621                 exception_error("cdmClicked");
1622         }
1623
1624         return false;
1625 }
1626
1627 function hlClicked(event, id) {
1628         try {
1629                 if (event.which == 2) {
1630                         view(id);
1631                         return true;
1632                 } else if (event.ctrlKey) {
1633                         toggleSelected(id, true);
1634                         toggleUnread(id, 0, false);
1635                         openArticleInNewWindow(id);
1636                         return false;
1637                 } else {
1638                         view(id);
1639                         return false;
1640                 }
1641
1642         } catch (e) {
1643                 exception_error("hlClicked");
1644         }
1645 }
1646
1647 function getFirstVisibleHeadlineId() {
1648         var rows = getVisibleArticleIds();
1649         return rows[0];
1650
1651 }
1652
1653 function getLastVisibleHeadlineId() {
1654         var rows = getVisibleArticleIds();
1655         return rows[rows.length-1];
1656 }
1657
1658 function openArticleInNewWindow(id) {
1659         toggleUnread(id, 0, false);
1660         window.open("backend.php?op=article&method=redirect&id=" + id);
1661 }
1662
1663 function isCdmMode() {
1664         return getInitParam("combined_display_mode");
1665 }
1666
1667 function markHeadline(id, marked) {
1668         if (marked == undefined) marked = true;
1669
1670         var row = $("RROW-" + id);
1671         if (row) {
1672                 var check = dijit.byId("RCHK-" + id);
1673
1674                 if (check) {
1675                         check.attr("checked", marked);
1676                 }
1677
1678                 if (marked)
1679                         row.addClassName("Selected");
1680                 else
1681                         row.removeClassName("Selected");
1682         }
1683 }
1684
1685 function getRelativePostIds(id, limit) {
1686
1687         var tmp = [];
1688
1689         try {
1690
1691                 if (!limit) limit = 6; //3
1692
1693                 var ids = getVisibleArticleIds();
1694
1695                 for (var i = 0; i < ids.length; i++) {
1696                         if (ids[i] == id) {
1697                                 for (var k = 1; k <= limit; k++) {
1698                                         //if (i > k-1) tmp.push(ids[i-k]);
1699                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1700                                 }
1701                                 break;
1702                         }
1703                 }
1704
1705         } catch (e) {
1706                 exception_error("getRelativePostIds", e);
1707         }
1708
1709         return tmp;
1710 }
1711
1712 function correctHeadlinesOffset(id) {
1713
1714         try {
1715
1716                 var container = $("headlines-frame");
1717                 var row = $("RROW-" + id);
1718
1719                 if (!container || !row) return;
1720
1721                 var viewport = container.offsetHeight;
1722
1723                 var rel_offset_top = row.offsetTop - container.scrollTop;
1724                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1725
1726                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1727                 //console.log("Vport: " + viewport);
1728
1729                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1730                         container.scrollTop = row.offsetTop;
1731                 } else if (rel_offset_bottom > viewport) {
1732
1733                         /* doesn't properly work with Opera in some cases because
1734                                 Opera fucks up element scrolling */
1735
1736                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1737                 }
1738
1739         } catch (e) {
1740                 exception_error("correctHeadlinesOffset", e);
1741         }
1742
1743 }
1744
1745 function headlineActionsChange(elem) {
1746         try {
1747                 eval(elem.value);
1748                 elem.attr('value', 'false');
1749         } catch (e) {
1750                 exception_error("headlineActionsChange", e);
1751         }
1752 }
1753
1754 function closeArticlePanel() {
1755
1756         if (dijit.byId("content-insert"))
1757                 dijit.byId("headlines-wrap-inner").removeChild(
1758                         dijit.byId("content-insert"));
1759 }
1760
1761 function initHeadlinesMenu() {
1762         try {
1763                 if (dijit.byId("headlinesMenu"))
1764                         dijit.byId("headlinesMenu").destroyRecursive();
1765
1766                 var ids = [];
1767
1768                 if (!isCdmMode()) {
1769                         nodes = $$("#headlines-frame > div[id*=RROW]");
1770                 } else {
1771                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1772                 }
1773
1774                 nodes.each(function(node) {
1775                         ids.push(node.id);
1776                 });
1777
1778                 var menu = new dijit.Menu({
1779                         id: "headlinesMenu",
1780                         targetNodeIds: ids,
1781                 });
1782
1783                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1784                         var callerNode = event.target, match = null, tries = 0;
1785
1786                         while (match == null && callerNode && tries <= 3) {
1787                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1788                                 callerNode = callerNode.parentNode;
1789                                 ++tries;
1790                         }
1791
1792                         if (match) this.callerRowId = parseInt(match[1]);
1793
1794                 });
1795
1796 /*              if (!isCdmMode())
1797                         menu.addChild(new dijit.MenuItem({
1798                                 label: __("View article"),
1799                                 onClick: function(event) {
1800                                         view(this.getParent().callerRowId);
1801                                 }})); */
1802
1803                 menu.addChild(new dijit.MenuItem({
1804                         label: __("Open original article"),
1805                         onClick: function(event) {
1806                                 openArticleInNewWindow(this.getParent().callerRowId);
1807                         }}));
1808
1809                 menu.addChild(new dijit.MenuSeparator());
1810
1811                 menu.addChild(new dijit.MenuItem({
1812                         label: __("Mark above as read"),
1813                         onClick: function(event) {
1814                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1815                                 }}));
1816
1817                 menu.addChild(new dijit.MenuItem({
1818                         label: __("Mark below as read"),
1819                         onClick: function(event) {
1820                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1821                                 }}));
1822
1823
1824                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1825
1826                 if (labels) {
1827
1828                         menu.addChild(new dijit.MenuSeparator());
1829
1830                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1831                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1832
1833                         labels.each(function(label) {
1834                                 var id = label.id[0];
1835                                 var bare_id = id.substr(id.indexOf(":")+1);
1836                                 var name = label.name[0];
1837
1838                                 bare_id = -11-bare_id;
1839
1840                                 labelAddMenu.addChild(new dijit.MenuItem({
1841                                         label: name,
1842                                         labelId: bare_id,
1843                                         onClick: function(event) {
1844                                                 var ids = getSelectedArticleIds2();
1845                                                 // cast to string
1846                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1847
1848                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1849
1850                                                 selectionAssignLabel(this.labelId, ids);
1851                                 }}));
1852
1853                                 labelDelMenu.addChild(new dijit.MenuItem({
1854                                         label: name,
1855                                         labelId: bare_id,
1856                                         onClick: function(event) {
1857                                                 var ids = getSelectedArticleIds2();
1858                                                 // cast to string
1859                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1860
1861                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1862
1863                                                 selectionRemoveLabel(this.labelId, ids);
1864                                 }}));
1865
1866                         });
1867
1868                         menu.addChild(new dijit.PopupMenuItem({
1869                                 label: __("Assign label"),
1870                                 popup: labelAddMenu,
1871                         }));
1872
1873                         menu.addChild(new dijit.PopupMenuItem({
1874                                 label: __("Remove label"),
1875                                 popup: labelDelMenu,
1876                         }));
1877
1878                 }
1879
1880                 menu.startup();
1881
1882         } catch (e) {
1883                 exception_error("initHeadlinesMenu", e);
1884         }
1885 }
1886
1887
1888 function player(elem) {
1889         var aid = elem.getAttribute("audio-id");
1890         var status = elem.getAttribute("status");
1891
1892         var audio = $(aid);
1893
1894         if (audio) {
1895                 if (status == 0) {
1896                         audio.play();
1897                         status = 1;
1898                         elem.innerHTML = __("Playing...");
1899                         elem.title = __("Click to pause");
1900                         elem.addClassName("playing");
1901                 } else {
1902                         audio.pause();
1903                         status = 0;
1904                         elem.innerHTML = __("Play");
1905                         elem.title = __("Click to play");
1906                         elem.removeClassName("playing");
1907                 }
1908
1909                 elem.setAttribute("status", status);
1910         } else {
1911                 alert("Your browser doesn't seem to support HTML5 audio.");
1912         }
1913 }
1914
1915 function cache_set(id, obj) {
1916         //console.log("cache_set: " + id);
1917         if (has_storage)
1918                 try {
1919                         sessionStorage[id] = obj;
1920                 } catch (e) {
1921                         sessionStorage.clear();
1922                 }
1923 }
1924
1925 function cache_get(id) {
1926         if (has_storage)
1927                 return sessionStorage[id];
1928 }
1929
1930 function cache_clear() {
1931         if (has_storage)
1932                 sessionStorage.clear();
1933 }
1934
1935 function cache_delete(id) {
1936         if (has_storage)
1937                 sessionStorage.removeItem(id);
1938 }
1939
1940 function cancelSearch() {
1941         try {
1942                 _search_query = "";
1943                 viewCurrentFeed();
1944         } catch (e) {
1945                 exception_error("cancelSearch", e);
1946         }
1947 }
1948
1949 function setSelectionScore() {
1950         try {
1951                 var ids = getSelectedArticleIds2();
1952
1953                 if (ids.length > 0) {
1954                         console.log(ids);
1955
1956                         var score = prompt(__("Please enter new score for selected articles:"), score);
1957
1958                         if (score != undefined) {
1959                                 var query = "op=rpc&method=setScore&id=" + param_escape(ids.toString()) +
1960                                         "&score=" + param_escape(score);
1961
1962                                 new Ajax.Request("backend.php", {
1963                                         parameters: query,
1964                                         onComplete: function(transport) {
1965                                                 var reply = JSON.parse(transport.responseText);
1966                                                 if (reply) {
1967                                                         console.log(ids);
1968
1969                                                         ids.each(function(id) {
1970                                                                 var row = $("RROW-" + id);
1971
1972                                                                 if (row) {
1973                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
1974
1975                                                                         if (pic) {
1976                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
1977                                                                                         reply["score_pic"]);
1978                                                                                 pic.setAttribute("score", score);
1979                                                                         }
1980                                                                 }
1981                                                         });
1982                                                 }
1983                                         } });
1984                         }
1985
1986                 } else {
1987                         alert(__("No articles are selected."));
1988                 }
1989         } catch (e) {
1990                 exception_error("setSelectionScore", e);
1991         }
1992 }
1993
1994 function changeScore(id, pic) {
1995         try {
1996                 var score = pic.getAttribute("score");
1997
1998                 var new_score = prompt(__("Please enter new score for this article:"), score);
1999
2000                 if (new_score != undefined) {
2001
2002                         var query = "op=rpc&method=setScore&id=" + param_escape(id) +
2003                                 "&score=" + param_escape(new_score);
2004
2005                         new Ajax.Request("backend.php", {
2006                                 parameters: query,
2007                                 onComplete: function(transport) {
2008                                         var reply = JSON.parse(transport.responseText);
2009
2010                                         if (reply) {
2011                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2012                                                 pic.setAttribute("score", new_score);
2013                                         }
2014                                 } });
2015                 }
2016         } catch (e) {
2017                 exception_error("changeScore", e);
2018         }
2019 }