js/viewfeed.js

   1 var article_cache = new Array();
   2
   3 var _active_article_id = 0;
   4
   5 var vgroup_last_feed = false;
   6 var post_under_pointer = false;
   7
   8 var last_requested_article = false;
   9
  10 var catchup_id_batch = [];
  11 var catchup_timeout_id = false;
  12
  13 var cids_requested = [];
  14 var loaded_article_ids = [];
  15 var _last_headlines_update = 0;
  16
  17 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  18
  19 function headlines_callback2(transport, offset, background, infscroll_req) {
  20         try {
  21                 handle_rpc_json(transport);
  22
  23                 loading_set_progress(25);
  24
  25                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  26
  27                 var is_cat = false;
  28                 var feed_id = false;
  29
  30                 var reply = false;
  31
  32                 try {
  33                         reply = JSON.parse(transport.responseText);
  34                 } catch (e) {
  35                         console.error(e);
  36                 }
  37
  38                 if (reply) {
  39
  40                         is_cat = reply['headlines']['is_cat'];
  41                         feed_id = reply['headlines']['id'];
  42
  43                         if (background) {
  44                                 var content = reply['headlines']['content'];
  45
  46                                 if (getInitParam("cdm_auto_catchup") == 1) {
  47                                         content = content + "<div id='headlines-spacer'></div>";
  48                                 }
  49                                 return;
  50                         }
  51
  52                         if (feed_id != getActiveFeedId() || is_cat != activeFeedIsCat())
  53                                 return;
  54
  55                         /* dijit.getEnclosingWidget(
  56                                 document.forms["main_toolbar_form"].update).attr('disabled',
  57                                         is_cat || feed_id <= 0); */
  58
  59                         try {
  60                                 if (infscroll_req == false) {
  61                                         $("headlines-frame").scrollTop = 0;
  62                                 }
  63                         } catch (e) { };
  64
  65                         var headlines_count = reply['headlines-info']['count'];
  66
  67                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  68
  69                         if (parseInt(headlines_count) < 30) {
  70                                 _infscroll_disable = 1;
  71                         } else {
  72                                 _infscroll_disable = 0;
  73                         }
  74
  75                         var counters = reply['counters'];
  76                         var articles = reply['articles'];
  77                         //var runtime_info = reply['runtime-info'];
  78
  79                         if (infscroll_req == false) {
  80                                 loaded_article_ids = [];
  81
  82                                 dijit.byId("headlines-frame").attr('content',
  83                                         reply['headlines']['content']);
  84
  85                                 dijit.byId("headlines-toolbar").attr('content',
  86                                         reply['headlines']['toolbar']);
  87
  88                                 $$("#headlines-frame > div[id*=RROW]").each(function(row) {
  89                                         if (loaded_article_ids.indexOf(row.id) != -1) {
  90                                                 row.parentNode.removeChild(row);
  91                                         } else {
  92                                                 loaded_article_ids.push(row.id);
  93                                         }
  94                                 });
  95
  96                                 if (getInitParam("cdm_auto_catchup") == 1) {
  97                                         var hsp = $("headlines-spacer");
  98                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
  99                                         dijit.byId('headlines-frame').domNode.appendChild(hsp);
 100                                 }
 101
 102                                 initHeadlinesMenu();
 103
 104                                 if (_search_query) {
 105                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 106                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 107                                                 "</span>";
 108                                 }
 109
 110                         } else {
 111
 112                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 113                                         console.log("adding some more headlines: " + headlines_count);
 114
 115                                         var c = dijit.byId("headlines-frame");
 116                                         var ids = getSelectedArticleIds2();
 117                                         var new_elems = [];
 118
 119                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 120
 121                                         var hsp = $("headlines-spacer");
 122
 123                                         if (hsp)
 124                                                 c.domNode.removeChild(hsp);
 125
 126                                         $$("#headlines-tmp > div").each(function(row) {
 127                                                 if (row.className == 'cdmFeedTitle') {
 128                                                         row.style.display = 'none';
 129                                                         c.domNode.appendChild(row);
 130                                                         new_elems.push(row);
 131                                                 } else if (loaded_article_ids.indexOf(row.id) == -1) {
 132                                                         row.style.display = 'none';
 133                                                         c.domNode.appendChild(row);
 134                                                         new_elems.push(row);
 135                                                         loaded_article_ids.push(row.id);
 136                                                 } else {
 137                                                         row.parentNode.removeChild(row);
 138                                                 }
 139                                         });
 140
 141                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 142
 143                                         fixHeadlinesOrder(getLoadedArticleIds());
 144
 145                                         if (getInitParam("cdm_auto_catchup") == 1) {
 146                                                 c.domNode.appendChild(hsp);
 147                                         }
 148
 149                                         console.log("added " + new_elems.size() + " headlines");
 150
 151                                         if (new_elems.size() == 0)
 152                                                 _infscroll_disable = true;
 153
 154                                         console.log("restore selected ids: " + ids);
 155
 156                                         for (var i = 0; i < ids.length; i++) {
 157                                                 markHeadline(ids[i]);
 158                                         }
 159
 160                                         initHeadlinesMenu();
 161
 162                                         new_elems.each(function(child) {
 163                                                 dojo.parser.parse(child);
 164
 165                                                 if (!Element.visible(child))
 166                                                         new Effect.Appear(child, { duration : 0.5 });
 167                                         });
 168
 169                                 } else {
 170                                         console.log("no new headlines received");
 171
 172                                         var hsp = $("headlines-spacer");
 173
 174                                         if (hsp) hsp.innerHTML = "";
 175                                 }
 176                         }
 177
 178                         if (articles) {
 179                                 for (var i = 0; i < articles.length; i++) {
 180                                         var a_id = articles[i]['id'];
 181                                         cache_set("article:" + a_id, articles[i]['content']);
 182                                 }
 183                         } else {
 184                                 console.log("no cached articles received");
 185                         }
 186
 187                         if (counters)
 188                                 parse_counters(counters);
 189                         else
 190                                 request_counters(true);
 191
 192                 } else if (transport.responseText) {
 193                         console.error("Invalid object received: " + transport.responseText);
 194                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 195                                         __('Could not update headlines (invalid object received - see error console for details)') +
 196                                         "</div>");
 197                 } else {
 198                         //notify_error("Error communicating with server.");
 199                         Element.show(dijit.byId("net-alert").domNode);
 200                 }
 201
 202                 _infscroll_request_sent = 0;
 203                 _last_headlines_update = new Date().getTime();
 204
 205                 unpackVisibleHeadlines();
 206
 207                 // if we have some more space in the buffer, why not try to fill it
 208
 209                 if (!_infscroll_disable && $("headlines-spacer") &&
 210                                 $("headlines-spacer").offsetTop < $("headlines-frame").offsetHeight) {
 211
 212                         window.setTimeout(function() {
 213                                 loadMoreHeadlines();
 214                         }, 250);
 215                 }
 216
 217                 notify("");
 218
 219         } catch (e) {
 220                 exception_error("headlines_callback2", e, transport);
 221         }
 222 }
 223
 224 function render_article(article) {
 225         try {
 226                 dijit.byId("headlines-wrap-inner").addChild(
 227                                 dijit.byId("content-insert"));
 228
 229                 var c = dijit.byId("content-insert");
 230
 231                 try {
 232                         c.domNode.scrollTop = 0;
 233                 } catch (e) { };
 234
 235                 c.attr('content', article);
 236
 237                 correctHeadlinesOffset(getActiveArticleId());
 238
 239                 try {
 240                         c.focus();
 241                 } catch (e) { };
 242
 243         } catch (e) {
 244                 exception_error("render_article", e);
 245         }
 246 }
 247
 248 function showArticleInHeadlines(id, noexpand) {
 249
 250         try {
 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                 if (!noexpand)
 260                         crow.removeClassName("Unread");
 261                 crow.addClassName("active");
 262
 263                 selectArticles('none');
 264
 265                 var view_mode = false;
 266
 267                 try {
 268                         view_mode = document.forms['main_toolbar_form'].view_mode;
 269                         view_mode = view_mode[view_mode.selectedIndex].value;
 270                 } catch (e) {
 271                         //
 272                 }
 273
 274                 markHeadline(id);
 275
 276                 if (article_is_unread && !noexpand)
 277                         _force_scheduled_update = true;
 278
 279         } catch (e) {
 280                 exception_error("showArticleInHeadlines", e);
 281         }
 282 }
 283
 284 function article_callback2(transport, id) {
 285         try {
 286                 console.log("article_callback2 " + id);
 287
 288                 handle_rpc_json(transport);
 289
 290                 var reply = false;
 291
 292                 try {
 293                         reply = JSON.parse(transport.responseText);
 294                 } catch (e) {
 295                         console.error(e);
 296                 }
 297
 298                 if (reply) {
 299
 300                         reply.each(function(article) {
 301                                 if (getActiveArticleId() == article['id']) {
 302                                         render_article(article['content']);
 303                                 }
 304                                 cids_requested.remove(article['id']);
 305
 306                                 cache_set("article:" + article['id'], article['content']);
 307                         });
 308
 309 //                      if (id != last_requested_article) {
 310 //                              console.log("requested article id is out of sequence, aborting");
 311 //                              return;
 312 //                      }
 313
 314                 } else if (transport.responseText) {
 315                         console.error("Invalid object received: " + transport.responseText);
 316
 317                         render_article("<div class='whiteBox'>" +
 318                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 319                 } else {
 320                         Element.show(dijit.byId("net-alert").domNode);
 321                 }
 322
 323                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 324                 request_counters(unread_in_buffer == 0);
 325
 326                 //headlines_scroll_handler($("headlines-frame"));
 327
 328 /*              try {
 329                         if (!_infscroll_disable &&
 330                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 331
 332                                 loadMoreHeadlines();
 333                         }
 334                 } catch (e) {
 335                         console.warn(e);
 336                 } */
 337
 338                 notify("");
 339         } catch (e) {
 340                 exception_error("article_callback2", e, transport);
 341         }
 342 }
 343
 344 function view(id, activefeed, noexpand) {
 345         try {
 346                 var oldrow = $("RROW-" + getActiveArticleId());
 347                 if (oldrow) oldrow.removeClassName("active");
 348
 349                 var crow = $("RROW-" + id);
 350
 351                 if (!crow) return;
 352                 if (noexpand) {
 353                         setActiveArticleId(id);
 354                         showArticleInHeadlines(id, noexpand);
 355                         return;
 356                 }
 357
 358                 console.log("loading article: " + id);
 359
 360                 var cached_article = cache_get("article:" + id);
 361
 362                 console.log("cache check result: " + (cached_article != false));
 363
 364                 var query = "?op=article&method=view&id=" + param_escape(id);
 365
 366                 var neighbor_ids = getRelativePostIds(id);
 367
 368                 /* only request uncached articles */
 369
 370                 var cids_to_request = [];
 371
 372                 for (var i = 0; i < neighbor_ids.length; i++) {
 373                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 374                                 if (!cache_get("article:" + neighbor_ids[i])) {
 375                                         cids_to_request.push(neighbor_ids[i]);
 376                                         cids_requested.push(neighbor_ids[i]);
 377                                 }
 378                 }
 379
 380                 console.log("additional ids: " + cids_to_request.toString());
 381
 382                 query = query + "&cids=" + cids_to_request.toString();
 383
 384                 var article_is_unread = crow.hasClassName("Unread");
 385
 386                 setActiveArticleId(id);
 387                 showArticleInHeadlines(id);
 388
 389                 if (cached_article && article_is_unread) {
 390
 391                         query = query + "&mode=prefetch";
 392
 393                         render_article(cached_article);
 394
 395                 } else if (cached_article) {
 396
 397                         query = query + "&mode=prefetch_old";
 398                         render_article(cached_article);
 399
 400                         // if we don't need to request any relative ids, we might as well skip
 401                         // the server roundtrip altogether
 402                         if (cids_to_request.length == 0) {
 403
 404 /*                              try {
 405                                         if (!_infscroll_disable &&
 406                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 407
 408                                                         loadMoreHeadlines();
 409                                         }
 410                                 } catch (e) {
 411                                         console.warn(e);
 412                                 } */
 413
 414                                 //headlines_scroll_handler($("headlines-frame"));
 415
 416                                 return;
 417                         }
 418                 }
 419
 420                 last_requested_article = id;
 421
 422                 console.log(query);
 423
 424                 if (article_is_unread) {
 425                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 426                 }
 427
 428                 new Ajax.Request("backend.php", {
 429                         parameters: query,
 430                         onComplete: function(transport) {
 431                                 article_callback2(transport, id);
 432                         } });
 433
 434                 return false;
 435
 436         } catch (e) {
 437                 exception_error("view", e);
 438         }
 439 }
 440
 441 function toggleMark(id, client_only) {
 442         try {
 443                 var query = "?op=rpc&id=" + id + "&method=mark";
 444
 445                 var row = $("RROW-" + id);
 446                 if (!row) return;
 447
 448                 var imgs = row.getElementsByClassName("markedPic");
 449
 450                 for (i = 0; i < imgs.length; i++) {
 451                         var img = imgs[i];
 452
 453                         if (!row.hasClassName("marked")) {
 454                                 img.src = img.src.replace("mark_unset", "mark_set");
 455                                 img.alt = __("Unstar article");
 456                                 query = query + "&mark=1";
 457                         } else {
 458                                 img.src = img.src.replace("mark_set", "mark_unset");
 459                                 img.alt = __("Star article");
 460                                 query = query + "&mark=0";
 461                         }
 462                 }
 463
 464                 row.toggleClassName("marked");
 465
 466                 if (!client_only) {
 467                         new Ajax.Request("backend.php", {
 468                                 parameters: query,
 469                                 onComplete: function(transport) {
 470                                         handle_rpc_json(transport);
 471                                 } });
 472                 }
 473
 474         } catch (e) {
 475                 exception_error("toggleMark", e);
 476         }
 477 }
 478
 479 function togglePub(id, client_only, no_effects, note) {
 480         try {
 481                 var query = "?op=rpc&id=" + id + "&method=publ";
 482
 483                 if (note != undefined) {
 484                         query = query + "&note=" + param_escape(note);
 485                 } else {
 486                         query = query + "&note=undefined";
 487                 }
 488
 489                 var row = $("RROW-" + id);
 490                 if (!row) return;
 491
 492                 var imgs = row.getElementsByClassName("pubPic");
 493
 494                 for (i = 0; i < imgs.length; i++) {
 495                         var img = imgs[i];
 496
 497                         if (!row.hasClassName("published") || note != undefined) {
 498                                 img.src = img.src.replace("pub_unset", "pub_set");
 499                                 img.alt = __("Unpublish article");
 500                                 query = query + "&pub=1";
 501                         } else {
 502                                 img.src = img.src.replace("pub_set", "pub_unset");
 503                                 img.alt = __("Publish article");
 504                                 query = query + "&pub=0";
 505                         }
 506                 }
 507
 508                 if (note != undefined)
 509                         row.addClassName("published");
 510                 else
 511                         row.toggleClassName("published");
 512
 513                 if (!client_only) {
 514                         new Ajax.Request("backend.php", {
 515                                 parameters: query,
 516                                 onComplete: function(transport) {
 517                                         handle_rpc_json(transport);
 518                                 } });
 519                 }
 520
 521         } catch (e) {
 522                 exception_error("togglePub", e);
 523         }
 524 }
 525
 526 function moveToPost(mode, noscroll, noexpand) {
 527
 528         try {
 529
 530                 var rows = getVisibleArticleIds();
 531
 532                 var prev_id = false;
 533                 var next_id = false;
 534
 535                 if (!$('RROW-' + getActiveArticleId())) {
 536                         setActiveArticleId(0);
 537                 }
 538
 539                 if (!getActiveArticleId()) {
 540                         next_id = rows[0];
 541                         prev_id = rows[rows.length-1]
 542                 } else {
 543                         for (var i = 0; i < rows.length; i++) {
 544                                 if (rows[i] == getActiveArticleId()) {
 545
 546                                         // Account for adjacent identical article ids.
 547                                         if (i > 0) prev_id = rows[i-1];
 548
 549                                         for (var j = i+1; j < rows.length; j++) {
 550                                                 if (rows[j] != getActiveArticleId()) {
 551                                                         next_id = rows[j];
 552                                                         break;
 553                                                 }
 554                                         }
 555                                         break;
 556                                 }
 557                         }
 558                 }
 559
 560                 if (mode == "next") {
 561                         if (next_id || getActiveArticleId()) {
 562                                 if (isCdmMode()) {
 563
 564                                         var article = $("RROW-" + getActiveArticleId());
 565                                         var ctr = $("headlines-frame");
 566
 567                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 568                                                         ctr.scrollTop + ctr.offsetHeight) {
 569
 570                                                 scrollArticle(ctr.offsetHeight/4);
 571
 572                                         } else if (next_id) {
 573                                                 cdmExpandArticle(next_id, noexpand);
 574                                                 cdmScrollToArticleId(next_id, true);
 575                                         }
 576
 577                                 } else if (next_id) {
 578                                         correctHeadlinesOffset(next_id);
 579                                         view(next_id, getActiveFeedId(), noexpand);
 580                                 }
 581                         }
 582                 }
 583
 584                 if (mode == "prev") {
 585                         if (prev_id || getActiveArticleId()) {
 586                                 if (isCdmMode()) {
 587
 588                                         var article = $("RROW-" + getActiveArticleId());
 589                                         var prev_article = $("RROW-" + prev_id);
 590                                         var ctr = $("headlines-frame");
 591
 592                                         if (!getInitParam("cdm_expanded")) {
 593
 594                                                 if (!noscroll && article.offsetTop < ctr.scrollTop) {
 595                                                         scrollArticle(-ctr.offsetHeight/4);
 596                                                 } else {
 597                                                         cdmExpandArticle(prev_id, noexpand);
 598                                                         cdmScrollToArticleId(prev_id, true);
 599                                                 }
 600                                         } else {
 601
 602                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 603                                                         scrollArticle(-ctr.offsetHeight/3);
 604                                                 } else if (!noscroll && prev_article &&
 605                                                                 prev_article.offsetTop < ctr.scrollTop) {
 606                                                         cdmExpandArticle(prev_id, noexpand);
 607                                                         scrollArticle(-ctr.offsetHeight/4);
 608                                                 } else if (prev_id) {
 609                                                         cdmExpandArticle(prev_id, noexpand);
 610                                                         cdmScrollToArticleId(prev_id, noscroll);
 611                                                 }
 612                                         }
 613
 614                                 } else if (prev_id) {
 615                                         correctHeadlinesOffset(prev_id);
 616                                         view(prev_id, getActiveFeedId(), noexpand);
 617                                 }
 618                         }
 619                 }
 620
 621         } catch (e) {
 622                 exception_error("moveToPost", e);
 623         }
 624 }
 625
 626 function toggleSelected(id, force_on) {
 627         try {
 628                 var row = $("RROW-" + id);
 629
 630                 if (row) {
 631                         var cb = dijit.getEnclosingWidget(
 632                                         row.getElementsByClassName("rchk")[0]);
 633
 634                         if (row.hasClassName('Selected') && !force_on) {
 635                                 row.removeClassName('Selected');
 636                                 if (cb) cb.attr("checked", false);
 637                         } else {
 638                                 row.addClassName('Selected');
 639                                 if (cb) cb.attr("checked", true);
 640                         }
 641                 }
 642         } catch (e) {
 643                 exception_error("toggleSelected", e);
 644         }
 645 }
 646
 647 function toggleUnread_afh(effect) {
 648         try {
 649
 650                 var elem = effect.element;
 651                 elem.style.backgroundColor = "";
 652
 653         } catch (e) {
 654                 exception_error("toggleUnread_afh", e);
 655         }
 656 }
 657
 658 function toggleUnread(id, cmode, effect) {
 659         try {
 660
 661                 var row = $("RROW-" + id);
 662                 if (row) {
 663                         if (cmode == undefined || cmode == 2) {
 664                                 if (row.hasClassName("Unread")) {
 665                                         row.removeClassName("Unread");
 666
 667                                 } else {
 668                                         row.addClassName("Unread");
 669                                 }
 670
 671                         } else if (cmode == 0) {
 672
 673                                 row.removeClassName("Unread");
 674
 675                         } else if (cmode == 1) {
 676                                 row.addClassName("Unread");
 677                         }
 678
 679                         if (cmode == undefined) cmode = 2;
 680
 681                         var query = "?op=rpc&method=catchupSelected" +
 682                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 683
 684 //                      notify_progress("Loading, please wait...");
 685
 686                         new Ajax.Request("backend.php", {
 687                                 parameters: query,
 688                                 onComplete: function(transport) {
 689                                         handle_rpc_json(transport);
 690                                 } });
 691
 692                 }
 693
 694         } catch (e) {
 695                 exception_error("toggleUnread", e);
 696         }
 697 }
 698
 699 function selectionRemoveLabel(id, ids) {
 700         try {
 701
 702                 if (!ids) ids = getSelectedArticleIds2();
 703
 704                 if (ids.length == 0) {
 705                         alert(__("No articles are selected."));
 706                         return;
 707                 }
 708
 709                 var query = "?op=article&method=removeFromLabel&ids=" +
 710                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 711
 712                 console.log(query);
 713
 714                 new Ajax.Request("backend.php", {
 715                         parameters: query,
 716                         onComplete: function(transport) {
 717                                 handle_rpc_json(transport);
 718                                 show_labels_in_headlines(transport);
 719                         } });
 720
 721         } catch (e) {
 722                 exception_error("selectionAssignLabel", e);
 723
 724         }
 725 }
 726
 727 function selectionAssignLabel(id, ids) {
 728         try {
 729
 730                 if (!ids) ids = getSelectedArticleIds2();
 731
 732                 if (ids.length == 0) {
 733                         alert(__("No articles are selected."));
 734                         return;
 735                 }
 736
 737                 var query = "?op=article&method=assignToLabel&ids=" +
 738                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 739
 740                 console.log(query);
 741
 742                 new Ajax.Request("backend.php", {
 743                         parameters: query,
 744                         onComplete: function(transport) {
 745                                 handle_rpc_json(transport);
 746                                 show_labels_in_headlines(transport);
 747                         } });
 748
 749         } catch (e) {
 750                 exception_error("selectionAssignLabel", e);
 751
 752         }
 753 }
 754
 755 function selectionToggleUnread(set_state, callback, no_error, ids) {
 756         try {
 757                 var rows = ids ? ids : getSelectedArticleIds2();
 758
 759                 if (rows.length == 0 && !no_error) {
 760                         alert(__("No articles are selected."));
 761                         return;
 762                 }
 763
 764                 for (var i = 0; i < rows.length; i++) {
 765                         var row = $("RROW-" + rows[i]);
 766                         if (row) {
 767                                 if (set_state == undefined) {
 768                                         if (row.hasClassName("Unread")) {
 769                                                 row.removeClassName("Unread");
 770                                         } else {
 771                                                 row.addClassName("Unread");
 772                                         }
 773                                 }
 774
 775                                 if (set_state == false) {
 776                                         row.removeClassName("Unread");
 777                                 }
 778
 779                                 if (set_state == true) {
 780                                         row.addClassName("Unread");
 781                                 }
 782                         }
 783                 }
 784
 785                 if (rows.length > 0) {
 786
 787                         var cmode = "";
 788
 789                         if (set_state == undefined) {
 790                                 cmode = "2";
 791                         } else if (set_state == true) {
 792                                 cmode = "1";
 793                         } else if (set_state == false) {
 794                                 cmode = "0";
 795                         }
 796
 797                         var query = "?op=rpc&method=catchupSelected" +
 798                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 799
 800                         notify_progress("Loading, please wait...");
 801
 802                         new Ajax.Request("backend.php", {
 803                                 parameters: query,
 804                                 onComplete: function(transport) {
 805                                         handle_rpc_json(transport);
 806                                         if (callback) callback(transport);
 807                                 } });
 808
 809                 }
 810
 811         } catch (e) {
 812                 exception_error("selectionToggleUnread", e);
 813         }
 814 }
 815
 816 // sel_state ignored
 817 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 818         try {
 819
 820                 var rows = ids ? ids : getSelectedArticleIds2();
 821
 822                 if (rows.length == 0 && !no_error) {
 823                         alert(__("No articles are selected."));
 824                         return;
 825                 }
 826
 827                 for (var i = 0; i < rows.length; i++) {
 828                         toggleMark(rows[i], true, true);
 829                 }
 830
 831                 if (rows.length > 0) {
 832
 833                         var query = "?op=rpc&method=markSelected&ids=" +
 834                                 param_escape(rows.toString()) + "&cmode=2";
 835
 836                         new Ajax.Request("backend.php", {
 837                                 parameters: query,
 838                                 onComplete: function(transport) {
 839                                         handle_rpc_json(transport);
 840                                         if (callback) callback(transport);
 841                                 } });
 842
 843                 }
 844
 845         } catch (e) {
 846                 exception_error("selectionToggleMarked", e);
 847         }
 848 }
 849
 850 // sel_state ignored
 851 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 852         try {
 853
 854                 var rows = ids ? ids : getSelectedArticleIds2();
 855
 856                 if (rows.length == 0 && !no_error) {
 857                         alert(__("No articles are selected."));
 858                         return;
 859                 }
 860
 861                 for (var i = 0; i < rows.length; i++) {
 862                         togglePub(rows[i], true, true);
 863                 }
 864
 865                 if (rows.length > 0) {
 866
 867                         var query = "?op=rpc&method=publishSelected&ids=" +
 868                                 param_escape(rows.toString()) + "&cmode=2";
 869
 870                         new Ajax.Request("backend.php", {
 871                                 parameters: query,
 872                                 onComplete: function(transport) {
 873                                         handle_rpc_json(transport);
 874                                 } });
 875
 876                 }
 877
 878         } catch (e) {
 879                 exception_error("selectionToggleMarked", e);
 880         }
 881 }
 882
 883 function getSelectedArticleIds2() {
 884
 885         var rv = [];
 886
 887         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 888                 function(child) {
 889                         rv.push(child.id.replace("RROW-", ""));
 890                 });
 891
 892         return rv;
 893 }
 894
 895 function getLoadedArticleIds() {
 896         var rv = [];
 897
 898         var children = $$("#headlines-frame > div[id*=RROW-]");
 899
 900         children.each(function(child) {
 901                         rv.push(child.id.replace("RROW-", ""));
 902                 });
 903
 904         return rv;
 905
 906 }
 907
 908 // mode = all,none,unread,invert,marked,published
 909 function selectArticles(mode) {
 910         try {
 911
 912                 var children = $$("#headlines-frame > div[id*=RROW]");
 913
 914                 children.each(function(child) {
 915                         var id = child.id.replace("RROW-", "");
 916
 917                         var cb = dijit.getEnclosingWidget(
 918                                         child.getElementsByClassName("rchk")[0]);
 919
 920                         if (mode == "all") {
 921                                 child.addClassName("Selected");
 922                                 if (cb) cb.attr("checked", true);
 923                         } else if (mode == "unread") {
 924                                 if (child.hasClassName("Unread")) {
 925                                         child.addClassName("Selected");
 926                                         if (cb) cb.attr("checked", true);
 927                                 } else {
 928                                         child.removeClassName("Selected");
 929                                         if (cb) cb.attr("checked", false);
 930                                 }
 931                         } else if (mode == "marked") {
 932                                 if (child.hasClassName("marked")) {
 933                                         child.addClassName("Selected");
 934                                         if (cb) cb.attr("checked", true);
 935                                 } else {
 936                                         child.removeClassName("Selected");
 937                                         if (cb) cb.attr("checked", false);
 938                                 }
 939                         } else if (mode == "published") {
 940                                 if (child.hasClassName("published")) {
 941                                         child.addClassName("Selected");
 942                                         if (cb) cb.attr("checked", true);
 943                                 } else {
 944                                         child.removeClassName("Selected");
 945                                         if (cb) cb.attr("checked", false);
 946                                 }
 947
 948                         } else if (mode == "invert") {
 949                                 if (child.hasClassName("Selected")) {
 950                                         child.removeClassName("Selected");
 951                                         if (cb) cb.attr("checked", false);
 952                                 } else {
 953                                         child.addClassName("Selected");
 954                                         if (cb) cb.attr("checked", true);
 955                                 }
 956
 957                         } else {
 958                                 child.removeClassName("Selected");
 959                                 if (cb) cb.attr("checked", false);
 960                         }
 961                 });
 962
 963         } catch (e) {
 964                 exception_error("selectArticles", e);
 965         }
 966 }
 967
 968 function deleteSelection() {
 969
 970         try {
 971
 972                 var rows = getSelectedArticleIds2();
 973
 974                 if (rows.length == 0) {
 975                         alert(__("No articles are selected."));
 976                         return;
 977                 }
 978
 979                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 980                 var str;
 981
 982                 if (getActiveFeedId() != 0) {
 983                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
 984                 } else {
 985                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
 986                 }
 987
 988                 str = str.replace("%d", rows.length);
 989                 str = str.replace("%s", fn);
 990
 991                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 992                         return;
 993                 }
 994
 995                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
 996
 997                 console.log(query);
 998
 999                 new Ajax.Request("backend.php", {
1000                         parameters: query,
1001                         onComplete: function(transport) {
1002                                         handle_rpc_json(transport);
1003                                         viewCurrentFeed();
1004                                 } });
1005
1006         } catch (e) {
1007                 exception_error("deleteSelection", e);
1008         }
1009 }
1010
1011 function archiveSelection() {
1012
1013         try {
1014
1015                 var rows = getSelectedArticleIds2();
1016
1017                 if (rows.length == 0) {
1018                         alert(__("No articles are selected."));
1019                         return;
1020                 }
1021
1022                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1023                 var str;
1024                 var op;
1025
1026                 if (getActiveFeedId() != 0) {
1027                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1028                         op = "archive";
1029                 } else {
1030                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1031
1032                         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
1033
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 = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
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=article&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                                                 try {
1113                                                         notify('');
1114                                                         dialog.hide();
1115
1116                                                         var data = JSON.parse(transport.responseText);
1117
1118                                                         if (data) {
1119                                                                 var id = data.id;
1120
1121                                                                 console.log(id);
1122
1123                                                                 var tags = $("ATSTR-" + id);
1124                                                                 var tooltip = dijit.byId("ATSTRTIP-" + id);
1125
1126                                                                 if (tags) tags.innerHTML = data.content;
1127                                                                 if (tooltip) tooltip.attr('label', data.content_full);
1128                                                         }
1129                                                 } catch (e) {
1130                                                         exception_error("editArticleTags/inner", e);
1131                                                 }
1132
1133                                         }});
1134                                 }
1135                         },
1136                         href: query,
1137                 });
1138
1139                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1140                 dojo.disconnect(tmph);
1141
1142                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1143                            "backend.php?op=article&method=completeTags",
1144                            { tokens: ',', paramName: "search" });
1145                 });
1146
1147                 dialog.show();
1148
1149 }
1150
1151 function cdmScrollToArticleId(id, force) {
1152         try {
1153                 var ctr = $("headlines-frame");
1154                 var e = $("RROW-" + id);
1155
1156                 if (!e || !ctr) return;
1157
1158                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1159                                 e.offsetTop < ctr.scrollTop) {
1160
1161                         // expanded cdm has a 4px margin now
1162                         ctr.scrollTop = parseInt(e.offsetTop) - 4;
1163                 }
1164
1165         } catch (e) {
1166                 exception_error("cdmScrollToArticleId", e);
1167         }
1168 }
1169
1170 function setActiveArticleId(id) {
1171         _active_article_id = id;
1172 }
1173
1174 function getActiveArticleId() {
1175         return _active_article_id;
1176 }
1177
1178 function postMouseIn(e, id) {
1179         post_under_pointer = id;
1180 }
1181
1182 function postMouseOut(id) {
1183         post_under_pointer = false;
1184 }
1185
1186 function unpackVisibleHeadlines() {
1187         try {
1188                 if (!isCdmMode()) return;
1189
1190                 $$("#headlines-frame > div[id*=RROW]").each(
1191                         function(child) {
1192                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1193                                         $("headlines-frame").offsetHeight) {
1194
1195                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1196
1197                                         if (cencw) {
1198                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1199                                                 cencw.setAttribute('id', '');
1200                                                 Element.show(cencw);
1201                                         }
1202                                 }
1203                         }
1204                 );
1205
1206         } catch (e) {
1207                 exception_error("unpackVisibleHeadlines", e);
1208         }
1209 }
1210
1211 function headlines_scroll_handler(e) {
1212         try {
1213                 var hsp = $("headlines-spacer");
1214
1215                 unpackVisibleHeadlines();
1216
1217                 if (!_infscroll_disable) {
1218                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1219                                         (e.scrollHeight != 0 &&
1220                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1221
1222                                 if (hsp)
1223                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1224                                                 __("Loading, please wait...");
1225
1226                                 loadMoreHeadlines();
1227                                 return;
1228
1229                         }
1230                 } else {
1231                         if (hsp) hsp.innerHTML = "";
1232                 }
1233
1234                 if (getInitParam("cdm_auto_catchup") == 1) {
1235
1236                         // let's get DOM some time to settle down
1237                         var ts = new Date().getTime();
1238                         if (ts - _last_headlines_update < 100) return;
1239
1240                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1241                                 function(child) {
1242                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1243                                                         (child.offsetTop + child.offsetHeight/2)) {
1244
1245                                                 var id = child.id.replace("RROW-", "");
1246
1247                                                 if (catchup_id_batch.indexOf(id) == -1)
1248                                                         catchup_id_batch.push(id);
1249
1250                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1251                                         }
1252                                 });
1253
1254                         if (catchup_id_batch.length > 0) {
1255                                 window.clearTimeout(catchup_timeout_id);
1256
1257                                 if (!_infscroll_request_sent) {
1258                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1259                                                 500);
1260                                 }
1261                         }
1262                 }
1263
1264         } catch (e) {
1265                 console.warn("headlines_scroll_handler: " + e);
1266         }
1267 }
1268
1269 function catchupBatchedArticles() {
1270         try {
1271                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1272
1273                         // make a copy of the array
1274                         var batch = catchup_id_batch.slice();
1275                         var query = "?op=rpc&method=catchupSelected" +
1276                                 "&cmode=0&ids=" + param_escape(batch.toString());
1277
1278                         console.log(query);
1279
1280                         new Ajax.Request("backend.php", {
1281                                 parameters: query,
1282                                 onComplete: function(transport) {
1283                                         handle_rpc_json(transport);
1284
1285                                         reply = JSON.parse(transport.responseText);
1286                                         var batch = reply.ids;
1287
1288                                         batch.each(function(id) {
1289                                                 console.log(id);
1290                                                 var elem = $("RROW-" + id);
1291                                                 if (elem) elem.removeClassName("Unread");
1292                                                 catchup_id_batch.remove(id);
1293                                         });
1294
1295                                 } });
1296                 }
1297
1298         } catch (e) {
1299                 exception_error("catchupBatchedArticles", e);
1300         }
1301 }
1302
1303 function catchupRelativeToArticle(below, id) {
1304
1305         try {
1306
1307                 if (!id) id = getActiveArticleId();
1308
1309                 if (!id) {
1310                         alert(__("No article is selected."));
1311                         return;
1312                 }
1313
1314                 var visible_ids = getVisibleArticleIds();
1315
1316                 var ids_to_mark = new Array();
1317
1318                 if (!below) {
1319                         for (var i = 0; i < visible_ids.length; i++) {
1320                                 if (visible_ids[i] != id) {
1321                                         var e = $("RROW-" + visible_ids[i]);
1322
1323                                         if (e && e.hasClassName("Unread")) {
1324                                                 ids_to_mark.push(visible_ids[i]);
1325                                         }
1326                                 } else {
1327                                         break;
1328                                 }
1329                         }
1330                 } else {
1331                         for (var i = visible_ids.length-1; i >= 0; i--) {
1332                                 if (visible_ids[i] != id) {
1333                                         var e = $("RROW-" + visible_ids[i]);
1334
1335                                         if (e && e.hasClassName("Unread")) {
1336                                                 ids_to_mark.push(visible_ids[i]);
1337                                         }
1338                                 } else {
1339                                         break;
1340                                 }
1341                         }
1342                 }
1343
1344                 if (ids_to_mark.length == 0) {
1345                         alert(__("No articles found to mark"));
1346                 } else {
1347                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1348
1349                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1350
1351                                 for (var i = 0; i < ids_to_mark.length; i++) {
1352                                         var e = $("RROW-" + ids_to_mark[i]);
1353                                         e.removeClassName("Unread");
1354                                 }
1355
1356                                 var query = "?op=rpc&method=catchupSelected" +
1357                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1358
1359                                 new Ajax.Request("backend.php", {
1360                                         parameters: query,
1361                                         onComplete: function(transport) {
1362                                                 handle_rpc_json(transport);
1363                                         } });
1364
1365                         }
1366                 }
1367
1368         } catch (e) {
1369                 exception_error("catchupRelativeToArticle", e);
1370         }
1371 }
1372
1373 function cdmCollapseArticle(event, id) {
1374         try {
1375                 var row = $("RROW-" + id);
1376                 var elem = $("CICD-" + id);
1377
1378                 if (elem && row) {
1379                         var collapse = $$("div#RROW-" + id +
1380                                 " span[class='collapseBtn']")[0];
1381
1382                         Element.hide(elem);
1383                         Element.show("CEXC-" + id);
1384                         Element.hide(collapse);
1385                         row.removeClassName("active");
1386
1387                         markHeadline(id, false);
1388
1389                         if (id == getActiveArticleId()) {
1390                                 setActiveArticleId(0);
1391                         }
1392
1393                         if (event) Event.stop(event);
1394                 }
1395
1396         } catch (e) {
1397                 exception_error("cdmCollapseArticle", e);
1398         }
1399 }
1400
1401 function cdmUnexpandArticle(event, id) {
1402         try {
1403                 var row = $("RROW-" + id);
1404                 var elem = $("CICD-" + id);
1405
1406                 if (elem && row) {
1407                         var collapse = $$("div#RROW-" + id +
1408                                 " span[class='collapseBtn']")[0];
1409
1410                         Element.hide(elem);
1411                         Element.show("CEXC-" + id);
1412                         Element.hide(collapse);
1413
1414                         if (event) Event.stop(event);
1415                 }
1416
1417         } catch (e) {
1418                 exception_error("cdmUnexpandArticle", e);
1419         }
1420 }
1421
1422 function cdmExpandArticle(id, noexpand) {
1423         try {
1424                 console.log("cdmExpandArticle " + id);
1425
1426                 if (!$("RROW-" + id)) return false;
1427
1428                 var oldrow = $("RROW-" + getActiveArticleId());
1429
1430                 var elem = $("CICD-" + getActiveArticleId());
1431
1432                 if (id == getActiveArticleId() && Element.visible(elem))
1433                         return true;
1434
1435                 selectArticles("none");
1436
1437                 var old_offset = $("RROW-" + id).offsetTop;
1438
1439                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1440                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1441                                 " span[class='collapseBtn']")[0];
1442
1443                         Element.hide(elem);
1444                         Element.show("CEXC-" + getActiveArticleId());
1445                         Element.hide(collapse);
1446                 }
1447
1448                 if (oldrow) oldrow.removeClassName("active");
1449
1450                 setActiveArticleId(id);
1451
1452                 elem = $("CICD-" + id);
1453
1454                 var collapse = $$("div#RROW-" + id +
1455                                 " span[class='collapseBtn']")[0];
1456
1457                 var cencw = $("CENCW-" + id);
1458
1459                 if (!Element.visible(elem) && !noexpand) {
1460                         if (cencw) {
1461                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1462                                 cencw.setAttribute('id', '');
1463                                 Element.show(cencw);
1464                         }
1465
1466                         Element.show(elem);
1467                         Element.hide("CEXC-" + id);
1468                         Element.show(collapse);
1469                 }
1470
1471                 var new_offset = $("RROW-" + id).offsetTop;
1472
1473                 if (old_offset > new_offset)
1474                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1475
1476                 if (!noexpand)
1477                         toggleUnread(id, 0, true);
1478                 toggleSelected(id);
1479                 $("RROW-" + id).addClassName("active");
1480
1481         } catch (e) {
1482                 exception_error("cdmExpandArticle", e);
1483         }
1484
1485         return false;
1486 }
1487
1488 function fixHeadlinesOrder(ids) {
1489         try {
1490                 for (var i = 0; i < ids.length; i++) {
1491                         var e = $("RROW-" + ids[i]);
1492
1493                         if (e) {
1494                                 if (i % 2 == 0) {
1495                                         e.removeClassName("even");
1496                                         e.addClassName("odd");
1497                                 } else {
1498                                         e.removeClassName("odd");
1499                                         e.addClassName("even");
1500                                 }
1501                         }
1502                 }
1503         } catch (e) {
1504                 exception_error("fixHeadlinesOrder", e);
1505         }
1506 }
1507
1508 function getArticleUnderPointer() {
1509         return post_under_pointer;
1510 }
1511
1512 function scrollArticle(offset) {
1513         try {
1514                 if (!isCdmMode()) {
1515                         var ci = $("content-insert");
1516                         if (ci) {
1517                                 ci.scrollTop += offset;
1518                         }
1519                 } else {
1520                         var hi = $("headlines-frame");
1521                         if (hi) {
1522                                 hi.scrollTop += offset;
1523                         }
1524
1525                 }
1526         } catch (e) {
1527                 exception_error("scrollArticle", e);
1528         }
1529 }
1530
1531 function show_labels_in_headlines(transport) {
1532         try {
1533                 var data = JSON.parse(transport.responseText);
1534
1535                 if (data) {
1536                         data['info-for-headlines'].each(function(elem) {
1537                                 var ctr = $("HLLCTR-" + elem.id);
1538
1539                                 if (ctr) ctr.innerHTML = elem.labels;
1540                         });
1541                 }
1542         } catch (e) {
1543                 exception_error("show_labels_in_headlines", e);
1544         }
1545 }
1546
1547 function dismissArticle(id) {
1548         try {
1549                 var elem = $("RROW-" + id);
1550
1551                 if (!elem) return;
1552
1553                 toggleUnread(id, 0, true);
1554
1555                 new Effect.Fade(elem, {duration : 0.5});
1556
1557                 if (id == getActiveArticleId()) {
1558                         setActiveArticleId(0);
1559                 }
1560
1561         } catch (e) {
1562                 exception_error("dismissArticle", e);
1563         }
1564 }
1565
1566 function dismissSelectedArticles() {
1567         try {
1568
1569                 var ids = getVisibleArticleIds();
1570                 var tmp = [];
1571                 var sel = [];
1572
1573                 for (var i = 0; i < ids.length; i++) {
1574                         var elem = $("RROW-" + ids[i]);
1575
1576                         if (elem.className && elem.hasClassName("Selected") &&
1577                                         ids[i] != getActiveArticleId()) {
1578                                 new Effect.Fade(elem, {duration : 0.5});
1579                                 sel.push(ids[i]);
1580                         } else {
1581                                 tmp.push(ids[i]);
1582                         }
1583                 }
1584
1585                 if (sel.length > 0)
1586                         selectionToggleUnread(false);
1587
1588                 fixHeadlinesOrder(tmp);
1589
1590         } catch (e) {
1591                 exception_error("dismissSelectedArticles", e);
1592         }
1593 }
1594
1595 function dismissReadArticles() {
1596         try {
1597
1598                 var ids = getVisibleArticleIds();
1599                 var tmp = [];
1600
1601                 for (var i = 0; i < ids.length; i++) {
1602                         var elem = $("RROW-" + ids[i]);
1603
1604                         if (elem.className && !elem.hasClassName("Unread") &&
1605                                         !elem.hasClassName("Selected")) {
1606
1607                                 new Effect.Fade(elem, {duration : 0.5});
1608                         } else {
1609                                 tmp.push(ids[i]);
1610                         }
1611                 }
1612
1613                 fixHeadlinesOrder(tmp);
1614
1615         } catch (e) {
1616                 exception_error("dismissSelectedArticles", e);
1617         }
1618 }
1619
1620 function getVisibleArticleIds() {
1621         var ids = [];
1622
1623         try {
1624
1625                 getLoadedArticleIds().each(function(id) {
1626                         var elem = $("RROW-" + id);
1627                         if (elem && Element.visible(elem))
1628                                 ids.push(id);
1629                         });
1630
1631         } catch (e) {
1632                 exception_error("getVisibleArticleIds", e);
1633         }
1634
1635         return ids;
1636 }
1637
1638 function cdmClicked(event, id) {
1639         try {
1640                 //var shift_key = event.shiftKey;
1641
1642                 if (!event.ctrlKey) {
1643
1644                         if (!getInitParam("cdm_expanded")) {
1645                                 return cdmExpandArticle(id);
1646                         } else {
1647
1648                                 var elem = $("RROW-" + getActiveArticleId());
1649
1650                                 if (elem) elem.removeClassName("active");
1651
1652                                 selectArticles("none");
1653                                 toggleSelected(id);
1654
1655                                 var elem = $("RROW-" + id);
1656                                 var article_is_unread = elem.hasClassName("Unread");
1657
1658                                 elem.removeClassName("Unread");
1659                                 elem.addClassName("active");
1660
1661                                 setActiveArticleId(id);
1662
1663                                 if (article_is_unread) {
1664                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1665                                 }
1666
1667                                 var query = "?op=rpc&method=catchupSelected" +
1668                                         "&cmode=0&ids=" + param_escape(id);
1669
1670                                 new Ajax.Request("backend.php", {
1671                                         parameters: query,
1672                                         onComplete: function(transport) {
1673                                                 handle_rpc_json(transport);
1674                                         } });
1675
1676                                 return !event.shiftKey;
1677                         }
1678
1679                 } else {
1680                         toggleSelected(id, true);
1681
1682                         var elem = $("RROW-" + id);
1683                         var article_is_unread = elem.hasClassName("Unread");
1684
1685                         if (article_is_unread) {
1686                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1687                         }
1688
1689                         toggleUnread(id, 0, false);
1690
1691                         openArticleInNewWindow(id);
1692                 }
1693
1694                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1695                 request_counters(unread_in_buffer == 0);
1696
1697         } catch (e) {
1698                 exception_error("cdmClicked");
1699         }
1700
1701         return false;
1702 }
1703
1704 function hlClicked(event, id) {
1705         try {
1706                 if (event.which == 2) {
1707                         view(id);
1708                         return true;
1709                 } else if (event.ctrlKey) {
1710                         toggleSelected(id, true);
1711                         toggleUnread(id, 0, false);
1712                         openArticleInNewWindow(id);
1713                         return false;
1714                 } else {
1715                         view(id);
1716                         return false;
1717                 }
1718
1719         } catch (e) {
1720                 exception_error("hlClicked");
1721         }
1722 }
1723
1724 function getFirstVisibleHeadlineId() {
1725         var rows = getVisibleArticleIds();
1726         return rows[0];
1727
1728 }
1729
1730 function getLastVisibleHeadlineId() {
1731         var rows = getVisibleArticleIds();
1732         return rows[rows.length-1];
1733 }
1734
1735 function openArticleInNewWindow(id) {
1736         toggleUnread(id, 0, false);
1737         window.open("backend.php?op=article&method=redirect&id=" + id);
1738 }
1739
1740 function isCdmMode() {
1741         return getInitParam("combined_display_mode");
1742 }
1743
1744 function markHeadline(id, marked) {
1745         if (marked == undefined) marked = true;
1746
1747         var row = $("RROW-" + id);
1748         if (row) {
1749                 var check = dijit.getEnclosingWidget(
1750                                 row.getElementsByClassName("rchk")[0]);
1751
1752                 if (check) {
1753                         check.attr("checked", marked);
1754                 }
1755
1756                 if (marked)
1757                         row.addClassName("Selected");
1758                 else
1759                         row.removeClassName("Selected");
1760         }
1761 }
1762
1763 function getRelativePostIds(id, limit) {
1764
1765         var tmp = [];
1766
1767         try {
1768
1769                 if (!limit) limit = 6; //3
1770
1771                 var ids = getVisibleArticleIds();
1772
1773                 for (var i = 0; i < ids.length; i++) {
1774                         if (ids[i] == id) {
1775                                 for (var k = 1; k <= limit; k++) {
1776                                         //if (i > k-1) tmp.push(ids[i-k]);
1777                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1778                                 }
1779                                 break;
1780                         }
1781                 }
1782
1783         } catch (e) {
1784                 exception_error("getRelativePostIds", e);
1785         }
1786
1787         return tmp;
1788 }
1789
1790 function correctHeadlinesOffset(id) {
1791
1792         try {
1793
1794                 var container = $("headlines-frame");
1795                 var row = $("RROW-" + id);
1796
1797                 if (!container || !row) return;
1798
1799                 var viewport = container.offsetHeight;
1800
1801                 var rel_offset_top = row.offsetTop - container.scrollTop;
1802                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1803
1804                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1805                 //console.log("Vport: " + viewport);
1806
1807                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1808                         container.scrollTop = row.offsetTop;
1809                 } else if (rel_offset_bottom > viewport) {
1810
1811                         /* doesn't properly work with Opera in some cases because
1812                                 Opera fucks up element scrolling */
1813
1814                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1815                 }
1816
1817         } catch (e) {
1818                 exception_error("correctHeadlinesOffset", e);
1819         }
1820
1821 }
1822
1823 function headlineActionsChange(elem) {
1824         try {
1825                 eval(elem.value);
1826                 elem.attr('value', 'false');
1827         } catch (e) {
1828                 exception_error("headlineActionsChange", e);
1829         }
1830 }
1831
1832 function closeArticlePanel() {
1833
1834         if (dijit.byId("content-insert"))
1835                 dijit.byId("headlines-wrap-inner").removeChild(
1836                         dijit.byId("content-insert"));
1837 }
1838
1839 function initHeadlinesMenu() {
1840         try {
1841                 if (dijit.byId("headlinesMenu"))
1842                         dijit.byId("headlinesMenu").destroyRecursive();
1843
1844                 var ids = [];
1845
1846                 if (!isCdmMode()) {
1847                         nodes = $$("#headlines-frame > div[id*=RROW]");
1848                 } else {
1849                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1850                 }
1851
1852                 nodes.each(function(node) {
1853                         ids.push(node.id);
1854                 });
1855
1856                 var menu = new dijit.Menu({
1857                         id: "headlinesMenu",
1858                         targetNodeIds: ids,
1859                 });
1860
1861                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1862                         var callerNode = event.target, match = null, tries = 0;
1863
1864                         while (match == null && callerNode && tries <= 3) {
1865                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1866                                 callerNode = callerNode.parentNode;
1867                                 ++tries;
1868                         }
1869
1870                         if (match) this.callerRowId = parseInt(match[1]);
1871
1872                 });
1873
1874 /*              if (!isCdmMode())
1875                         menu.addChild(new dijit.MenuItem({
1876                                 label: __("View article"),
1877                                 onClick: function(event) {
1878                                         view(this.getParent().callerRowId);
1879                                 }})); */
1880
1881                 menu.addChild(new dijit.MenuItem({
1882                         label: __("Open original article"),
1883                         onClick: function(event) {
1884                                 openArticleInNewWindow(this.getParent().callerRowId);
1885                         }}));
1886
1887                 menu.addChild(new dijit.MenuItem({
1888                         label: __("Display article URL"),
1889                         onClick: function(event) {
1890                                 displayArticleUrl(this.getParent().callerRowId);
1891                         }}));
1892
1893                 menu.addChild(new dijit.MenuSeparator());
1894
1895                 menu.addChild(new dijit.MenuItem({
1896                         label: __("Toggle unread"),
1897                         onClick: function(event) {
1898                                 var ids = getSelectedArticleIds2();
1899                                 // cast to string
1900                                 var id = this.getParent().callerRowId + "";
1901                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1902
1903                                 selectionToggleUnread(undefined, false, true, ids);
1904                                 }}));
1905
1906                 menu.addChild(new dijit.MenuItem({
1907                         label: __("Toggle marked"),
1908                         onClick: function(event) {
1909                                 var ids = getSelectedArticleIds2();
1910                                 // cast to string
1911                                 var id = this.getParent().callerRowId + "";
1912                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1913
1914                                 selectionToggleMarked(undefined, false, true, ids);
1915                                 }}));
1916
1917                 menu.addChild(new dijit.MenuItem({
1918                         label: __("Toggle published"),
1919                         onClick: function(event) {
1920                                 var ids = getSelectedArticleIds2();
1921                                 // cast to string
1922                                 var id = this.getParent().callerRowId + "";
1923                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1924
1925                                 selectionTogglePublished(undefined, false, true, ids);
1926                                 }}));
1927
1928                 menu.addChild(new dijit.MenuSeparator());
1929
1930                 menu.addChild(new dijit.MenuItem({
1931                         label: __("Mark above as read"),
1932                         onClick: function(event) {
1933                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1934                                 }}));
1935
1936                 menu.addChild(new dijit.MenuItem({
1937                         label: __("Mark below as read"),
1938                         onClick: function(event) {
1939                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1940                                 }}));
1941
1942
1943                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1944
1945                 if (labels) {
1946
1947                         menu.addChild(new dijit.MenuSeparator());
1948
1949                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1950                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1951
1952                         labels.each(function(label) {
1953                                 var id = label.id[0];
1954                                 var bare_id = id.substr(id.indexOf(":")+1);
1955                                 var name = label.name[0];
1956
1957                                 bare_id = feed_to_label_id(bare_id);
1958
1959                                 labelAddMenu.addChild(new dijit.MenuItem({
1960                                         label: name,
1961                                         labelId: bare_id,
1962                                         onClick: function(event) {
1963                                                 var ids = getSelectedArticleIds2();
1964                                                 // cast to string
1965                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1966
1967                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1968
1969                                                 selectionAssignLabel(this.labelId, ids);
1970                                 }}));
1971
1972                                 labelDelMenu.addChild(new dijit.MenuItem({
1973                                         label: name,
1974                                         labelId: bare_id,
1975                                         onClick: function(event) {
1976                                                 var ids = getSelectedArticleIds2();
1977                                                 // cast to string
1978                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1979
1980                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1981
1982                                                 selectionRemoveLabel(this.labelId, ids);
1983                                 }}));
1984
1985                         });
1986
1987                         menu.addChild(new dijit.PopupMenuItem({
1988                                 label: __("Assign label"),
1989                                 popup: labelAddMenu,
1990                         }));
1991
1992                         menu.addChild(new dijit.PopupMenuItem({
1993                                 label: __("Remove label"),
1994                                 popup: labelDelMenu,
1995                         }));
1996
1997                 }
1998
1999                 menu.startup();
2000
2001         } catch (e) {
2002                 exception_error("initHeadlinesMenu", e);
2003         }
2004 }
2005
2006
2007 function player(elem) {
2008         var aid = elem.getAttribute("audio-id");
2009         var status = elem.getAttribute("status");
2010
2011         var audio = $(aid);
2012
2013         if (audio) {
2014                 if (status == 0) {
2015                         audio.play();
2016                         status = 1;
2017                         elem.innerHTML = __("Playing...");
2018                         elem.title = __("Click to pause");
2019                         elem.addClassName("playing");
2020                 } else {
2021                         audio.pause();
2022                         status = 0;
2023                         elem.innerHTML = __("Play");
2024                         elem.title = __("Click to play");
2025                         elem.removeClassName("playing");
2026                 }
2027
2028                 elem.setAttribute("status", status);
2029         } else {
2030                 alert("Your browser doesn't seem to support HTML5 audio.");
2031         }
2032 }
2033
2034 function cache_set(id, obj) {
2035         //console.log("cache_set: " + id);
2036         if (has_storage)
2037                 try {
2038                         sessionStorage[id] = obj;
2039                 } catch (e) {
2040                         sessionStorage.clear();
2041                 }
2042 }
2043
2044 function cache_get(id) {
2045         if (has_storage)
2046                 return sessionStorage[id];
2047 }
2048
2049 function cache_clear() {
2050         if (has_storage)
2051                 sessionStorage.clear();
2052 }
2053
2054 function cache_delete(id) {
2055         if (has_storage)
2056                 sessionStorage.removeItem(id);
2057 }
2058
2059 function cancelSearch() {
2060         try {
2061                 _search_query = "";
2062                 viewCurrentFeed();
2063         } catch (e) {
2064                 exception_error("cancelSearch", e);
2065         }
2066 }
2067
2068 function setSelectionScore() {
2069         try {
2070                 var ids = getSelectedArticleIds2();
2071
2072                 if (ids.length > 0) {
2073                         console.log(ids);
2074
2075                         var score = prompt(__("Please enter new score for selected articles:"), score);
2076
2077                         if (score != undefined) {
2078                                 var query = "op=article&method=setScore&id=" + param_escape(ids.toString()) +
2079                                         "&score=" + param_escape(score);
2080
2081                                 new Ajax.Request("backend.php", {
2082                                         parameters: query,
2083                                         onComplete: function(transport) {
2084                                                 var reply = JSON.parse(transport.responseText);
2085                                                 if (reply) {
2086                                                         console.log(ids);
2087
2088                                                         ids.each(function(id) {
2089                                                                 var row = $("RROW-" + id);
2090
2091                                                                 if (row) {
2092                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2093
2094                                                                         if (pic) {
2095                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2096                                                                                         reply["score_pic"]);
2097                                                                                 pic.setAttribute("score", score);
2098                                                                         }
2099                                                                 }
2100                                                         });
2101                                                 }
2102                                         } });
2103                         }
2104
2105                 } else {
2106                         alert(__("No articles are selected."));
2107                 }
2108         } catch (e) {
2109                 exception_error("setSelectionScore", e);
2110         }
2111 }
2112
2113 function changeScore(id, pic) {
2114         try {
2115                 var score = pic.getAttribute("score");
2116
2117                 var new_score = prompt(__("Please enter new score for this article:"), score);
2118
2119                 if (new_score != undefined) {
2120
2121                         var query = "op=article&method=setScore&id=" + param_escape(id) +
2122                                 "&score=" + param_escape(new_score);
2123
2124                         new Ajax.Request("backend.php", {
2125                                 parameters: query,
2126                                 onComplete: function(transport) {
2127                                         var reply = JSON.parse(transport.responseText);
2128
2129                                         if (reply) {
2130                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2131                                                 pic.setAttribute("score", new_score);
2132                                         }
2133                                 } });
2134                 }
2135         } catch (e) {
2136                 exception_error("changeScore", e);
2137         }
2138 }
2139
2140 function displayArticleUrl(id) {
2141         try {
2142                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2143
2144                         new Ajax.Request("backend.php", {
2145                                 parameters: query,
2146                                 onComplete: function(transport) {
2147                                         var reply = JSON.parse(transport.responseText);
2148
2149                                         if (reply && reply.link) {
2150                                                 prompt(__("Article URL:"), reply.link);
2151                                         }
2152                                 } });
2153         } catch (e) {
2154                 exception_error("changeScore", e);
2155         }
2156 }
2157
2158 function openSelectedAttachment(elem) {
2159         try {
2160                 var url = elem[elem.selectedIndex].value;
2161
2162                 if (url) {
2163                         window.open(url);
2164                         elem.selectedIndex = 0;
2165                 }
2166
2167         } catch (e) {
2168                 exception_error("openSelectedAttachment", e);
2169         }
2170 }