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                                 content = content + "<div id='headlines-spacer'></div>";
  47                                 return;
  48                         }
  49
  50                         if (feed_id != getActiveFeedId() || is_cat != activeFeedIsCat())
  51                                 return;
  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) < 30) {
  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                                 var hsp = $("headlines-spacer");
  95                                 if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
  96                                 dijit.byId('headlines-frame').domNode.appendChild(hsp);
  97
  98                                 initHeadlinesMenu();
  99
 100                                 if (_search_query) {
 101                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 102                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 103                                                 "</span>";
 104                                 }
 105
 106                         } else {
 107
 108                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 109                                         console.log("adding some more headlines: " + headlines_count);
 110
 111                                         var c = dijit.byId("headlines-frame");
 112                                         var ids = getSelectedArticleIds2();
 113                                         var new_elems = [];
 114
 115                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 116
 117                                         var hsp = $("headlines-spacer");
 118
 119                                         if (hsp)
 120                                                 c.domNode.removeChild(hsp);
 121
 122                                         $$("#headlines-tmp > div").each(function(row) {
 123                                                 if (row.className == 'cdmFeedTitle') {
 124                                                         row.style.display = 'none';
 125                                                         c.domNode.appendChild(row);
 126                                                         new_elems.push(row);
 127                                                 } else if (loaded_article_ids.indexOf(row.id) == -1) {
 128                                                         row.style.display = 'none';
 129                                                         c.domNode.appendChild(row);
 130                                                         new_elems.push(row);
 131                                                         loaded_article_ids.push(row.id);
 132                                                 } else {
 133                                                         row.parentNode.removeChild(row);
 134                                                 }
 135                                         });
 136
 137                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 138
 139                                         fixHeadlinesOrder(getLoadedArticleIds());
 140
 141                                         if (getInitParam("cdm_auto_catchup") == 1) {
 142                                                 c.domNode.appendChild(hsp);
 143                                         }
 144
 145                                         console.log("added " + new_elems.size() + " headlines");
 146
 147                                         if (new_elems.size() == 0)
 148                                                 _infscroll_disable = true;
 149
 150                                         console.log("restore selected ids: " + ids);
 151
 152                                         for (var i = 0; i < ids.length; i++) {
 153                                                 markHeadline(ids[i]);
 154                                         }
 155
 156                                         initHeadlinesMenu();
 157
 158                                         new_elems.each(function(child) {
 159                                                 dojo.parser.parse(child);
 160
 161                                                 if (!Element.visible(child))
 162                                                         new Effect.Appear(child, { duration : 0.5 });
 163                                         });
 164
 165                                 } else {
 166                                         console.log("no new headlines received");
 167
 168                                         var hsp = $("headlines-spacer");
 169
 170                                         if (hsp) hsp.innerHTML = "";
 171                                 }
 172                         }
 173
 174                         if (articles) {
 175                                 for (var i = 0; i < articles.length; i++) {
 176                                         var a_id = articles[i]['id'];
 177                                         cache_set("article:" + a_id, articles[i]['content']);
 178                                 }
 179                         } else {
 180                                 console.log("no cached articles received");
 181                         }
 182
 183                         if (counters)
 184                                 parse_counters(counters);
 185                         else
 186                                 request_counters(true);
 187
 188                 } else if (transport.responseText) {
 189                         console.error("Invalid object received: " + transport.responseText);
 190                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 191                                         __('Could not update headlines (invalid object received - see error console for details)') +
 192                                         "</div>");
 193                 } else {
 194                         //notify_error("Error communicating with server.");
 195                         Element.show(dijit.byId("net-alert").domNode);
 196                 }
 197
 198                 _infscroll_request_sent = 0;
 199                 _last_headlines_update = new Date().getTime();
 200
 201                 unpackVisibleHeadlines();
 202
 203                 // if we have some more space in the buffer, why not try to fill it
 204
 205                 if (!_infscroll_disable && $("headlines-spacer") &&
 206                                 $("headlines-spacer").offsetTop < $("headlines-frame").offsetHeight) {
 207
 208                         window.setTimeout(function() {
 209                                 loadMoreHeadlines();
 210                         }, 250);
 211                 }
 212
 213                 notify("");
 214
 215         } catch (e) {
 216                 exception_error("headlines_callback2", e, transport);
 217         }
 218 }
 219
 220 function render_article(article) {
 221         try {
 222                 dijit.byId("headlines-wrap-inner").addChild(
 223                                 dijit.byId("content-insert"));
 224
 225                 var c = dijit.byId("content-insert");
 226
 227                 try {
 228                         c.domNode.scrollTop = 0;
 229                 } catch (e) { };
 230
 231                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED, article);
 232
 233                 c.attr('content', article);
 234
 235                 correctHeadlinesOffset(getActiveArticleId());
 236
 237                 try {
 238                         c.focus();
 239                 } catch (e) { };
 240
 241         } catch (e) {
 242                 exception_error("render_article", e);
 243         }
 244 }
 245
 246 function showArticleInHeadlines(id, noexpand) {
 247
 248         try {
 249                 selectArticles("none");
 250
 251                 var crow = $("RROW-" + id);
 252
 253                 if (!crow) return;
 254
 255                 var article_is_unread = crow.hasClassName("Unread");
 256
 257                 if (!noexpand)
 258                         crow.removeClassName("Unread");
 259                 crow.addClassName("active");
 260
 261                 selectArticles('none');
 262
 263                 var view_mode = false;
 264
 265                 try {
 266                         view_mode = document.forms['main_toolbar_form'].view_mode;
 267                         view_mode = view_mode[view_mode.selectedIndex].value;
 268                 } catch (e) {
 269                         //
 270                 }
 271
 272                 markHeadline(id);
 273
 274                 if (article_is_unread && !noexpand)
 275                         _force_scheduled_update = true;
 276
 277         } catch (e) {
 278                 exception_error("showArticleInHeadlines", e);
 279         }
 280 }
 281
 282 function article_callback2(transport, id) {
 283         try {
 284                 console.log("article_callback2 " + id);
 285
 286                 handle_rpc_json(transport);
 287
 288                 var reply = false;
 289
 290                 try {
 291                         reply = JSON.parse(transport.responseText);
 292                 } catch (e) {
 293                         console.error(e);
 294                 }
 295
 296                 if (reply) {
 297
 298                         reply.each(function(article) {
 299                                 if (getActiveArticleId() == article['id']) {
 300                                         render_article(article['content']);
 301                                 }
 302                                 cids_requested.remove(article['id']);
 303
 304                                 cache_set("article:" + article['id'], article['content']);
 305                         });
 306
 307 //                      if (id != last_requested_article) {
 308 //                              console.log("requested article id is out of sequence, aborting");
 309 //                              return;
 310 //                      }
 311
 312                 } else if (transport.responseText) {
 313                         console.error("Invalid object received: " + transport.responseText);
 314
 315                         render_article("<div class='whiteBox'>" +
 316                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 317                 } else {
 318                         Element.show(dijit.byId("net-alert").domNode);
 319                 }
 320
 321                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 322                 request_counters(unread_in_buffer == 0);
 323
 324                 //headlines_scroll_handler($("headlines-frame"));
 325
 326 /*              try {
 327                         if (!_infscroll_disable &&
 328                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 329
 330                                 loadMoreHeadlines();
 331                         }
 332                 } catch (e) {
 333                         console.warn(e);
 334                 } */
 335
 336                 notify("");
 337         } catch (e) {
 338                 exception_error("article_callback2", e, transport);
 339         }
 340 }
 341
 342 function view(id, activefeed, noexpand) {
 343         try {
 344                 var oldrow = $("RROW-" + getActiveArticleId());
 345                 if (oldrow) oldrow.removeClassName("active");
 346
 347                 var crow = $("RROW-" + id);
 348
 349                 if (!crow) return;
 350                 if (noexpand) {
 351                         setActiveArticleId(id);
 352                         showArticleInHeadlines(id, noexpand);
 353                         return;
 354                 }
 355
 356                 console.log("loading article: " + id);
 357
 358                 var cached_article = cache_get("article:" + id);
 359
 360                 console.log("cache check result: " + (cached_article != false));
 361
 362                 var query = "?op=article&method=view&id=" + param_escape(id);
 363
 364                 var neighbor_ids = getRelativePostIds(id);
 365
 366                 /* only request uncached articles */
 367
 368                 var cids_to_request = [];
 369
 370                 for (var i = 0; i < neighbor_ids.length; i++) {
 371                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 372                                 if (!cache_get("article:" + neighbor_ids[i])) {
 373                                         cids_to_request.push(neighbor_ids[i]);
 374                                         cids_requested.push(neighbor_ids[i]);
 375                                 }
 376                 }
 377
 378                 console.log("additional ids: " + cids_to_request.toString());
 379
 380                 query = query + "&cids=" + cids_to_request.toString();
 381
 382                 var article_is_unread = crow.hasClassName("Unread");
 383
 384                 setActiveArticleId(id);
 385                 showArticleInHeadlines(id);
 386
 387                 if (cached_article && article_is_unread) {
 388
 389                         query = query + "&mode=prefetch";
 390
 391                         render_article(cached_article);
 392
 393                 } else if (cached_article) {
 394
 395                         query = query + "&mode=prefetch_old";
 396                         render_article(cached_article);
 397
 398                         // if we don't need to request any relative ids, we might as well skip
 399                         // the server roundtrip altogether
 400                         if (cids_to_request.length == 0) {
 401
 402 /*                              try {
 403                                         if (!_infscroll_disable &&
 404                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 405
 406                                                         loadMoreHeadlines();
 407                                         }
 408                                 } catch (e) {
 409                                         console.warn(e);
 410                                 } */
 411
 412                                 //headlines_scroll_handler($("headlines-frame"));
 413
 414                                 return;
 415                         }
 416                 }
 417
 418                 last_requested_article = id;
 419
 420                 console.log(query);
 421
 422                 if (article_is_unread) {
 423                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 424                 }
 425
 426                 new Ajax.Request("backend.php", {
 427                         parameters: query,
 428                         onComplete: function(transport) {
 429                                 article_callback2(transport, id);
 430                         } });
 431
 432                 return false;
 433
 434         } catch (e) {
 435                 exception_error("view", e);
 436         }
 437 }
 438
 439 function toggleMark(id, client_only) {
 440         try {
 441                 var query = "?op=rpc&id=" + id + "&method=mark";
 442
 443                 var row = $("RROW-" + id);
 444                 if (!row) return;
 445
 446                 var imgs = row.getElementsByClassName("markedPic");
 447
 448                 for (i = 0; i < imgs.length; i++) {
 449                         var img = imgs[i];
 450
 451                         if (!row.hasClassName("marked")) {
 452                                 img.src = img.src.replace("mark_unset", "mark_set");
 453                                 img.alt = __("Unstar article");
 454                                 query = query + "&mark=1";
 455                         } else {
 456                                 img.src = img.src.replace("mark_set", "mark_unset");
 457                                 img.alt = __("Star article");
 458                                 query = query + "&mark=0";
 459                         }
 460                 }
 461
 462                 row.toggleClassName("marked");
 463
 464                 if (!client_only) {
 465                         new Ajax.Request("backend.php", {
 466                                 parameters: query,
 467                                 onComplete: function(transport) {
 468                                         handle_rpc_json(transport);
 469                                 } });
 470                 }
 471
 472         } catch (e) {
 473                 exception_error("toggleMark", e);
 474         }
 475 }
 476
 477 function togglePub(id, client_only, no_effects, note) {
 478         try {
 479                 var query = "?op=rpc&id=" + id + "&method=publ";
 480
 481                 if (note != undefined) {
 482                         query = query + "&note=" + param_escape(note);
 483                 } else {
 484                         query = query + "&note=undefined";
 485                 }
 486
 487                 var row = $("RROW-" + id);
 488                 if (!row) return;
 489
 490                 var imgs = row.getElementsByClassName("pubPic");
 491
 492                 for (i = 0; i < imgs.length; i++) {
 493                         var img = imgs[i];
 494
 495                         if (!row.hasClassName("published") || note != undefined) {
 496                                 img.src = img.src.replace("pub_unset", "pub_set");
 497                                 img.alt = __("Unpublish article");
 498                                 query = query + "&pub=1";
 499                         } else {
 500                                 img.src = img.src.replace("pub_set", "pub_unset");
 501                                 img.alt = __("Publish article");
 502                                 query = query + "&pub=0";
 503                         }
 504                 }
 505
 506                 if (note != undefined)
 507                         row.addClassName("published");
 508                 else
 509                         row.toggleClassName("published");
 510
 511                 if (!client_only) {
 512                         new Ajax.Request("backend.php", {
 513                                 parameters: query,
 514                                 onComplete: function(transport) {
 515                                         handle_rpc_json(transport);
 516                                 } });
 517                 }
 518
 519         } catch (e) {
 520                 exception_error("togglePub", e);
 521         }
 522 }
 523
 524 function moveToPost(mode, noscroll, noexpand) {
 525
 526         try {
 527
 528                 var rows = getVisibleArticleIds();
 529
 530                 var prev_id = false;
 531                 var next_id = false;
 532
 533                 if (!$('RROW-' + getActiveArticleId())) {
 534                         setActiveArticleId(0);
 535                 }
 536
 537                 if (!getActiveArticleId()) {
 538                         next_id = rows[0];
 539                         prev_id = rows[rows.length-1]
 540                 } else {
 541                         for (var i = 0; i < rows.length; i++) {
 542                                 if (rows[i] == getActiveArticleId()) {
 543
 544                                         // Account for adjacent identical article ids.
 545                                         if (i > 0) prev_id = rows[i-1];
 546
 547                                         for (var j = i+1; j < rows.length; j++) {
 548                                                 if (rows[j] != getActiveArticleId()) {
 549                                                         next_id = rows[j];
 550                                                         break;
 551                                                 }
 552                                         }
 553                                         break;
 554                                 }
 555                         }
 556                 }
 557
 558                 if (mode == "next") {
 559                         if (next_id || getActiveArticleId()) {
 560                                 if (isCdmMode()) {
 561
 562                                         var article = $("RROW-" + getActiveArticleId());
 563                                         var ctr = $("headlines-frame");
 564
 565                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 566                                                         ctr.scrollTop + ctr.offsetHeight) {
 567
 568                                                 scrollArticle(ctr.offsetHeight/4);
 569
 570                                         } else if (next_id) {
 571                                                 cdmExpandArticle(next_id, noexpand);
 572                                                 cdmScrollToArticleId(next_id, true);
 573                                         }
 574
 575                                 } else if (next_id) {
 576                                         correctHeadlinesOffset(next_id);
 577                                         view(next_id, getActiveFeedId(), noexpand);
 578                                 }
 579                         }
 580                 }
 581
 582                 if (mode == "prev") {
 583                         if (prev_id || getActiveArticleId()) {
 584                                 if (isCdmMode()) {
 585
 586                                         var article = $("RROW-" + getActiveArticleId());
 587                                         var prev_article = $("RROW-" + prev_id);
 588                                         var ctr = $("headlines-frame");
 589
 590                                         if (!getInitParam("cdm_expanded")) {
 591
 592                                                 if (!noscroll && article.offsetTop < ctr.scrollTop) {
 593                                                         scrollArticle(-ctr.offsetHeight/4);
 594                                                 } else {
 595                                                         cdmExpandArticle(prev_id, noexpand);
 596                                                         cdmScrollToArticleId(prev_id, true);
 597                                                 }
 598                                         } else {
 599
 600                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 601                                                         scrollArticle(-ctr.offsetHeight/3);
 602                                                 } else if (!noscroll && prev_article &&
 603                                                                 prev_article.offsetTop < ctr.scrollTop) {
 604                                                         cdmExpandArticle(prev_id, noexpand);
 605                                                         scrollArticle(-ctr.offsetHeight/4);
 606                                                 } else if (prev_id) {
 607                                                         cdmExpandArticle(prev_id, noexpand);
 608                                                         cdmScrollToArticleId(prev_id, noscroll);
 609                                                 }
 610                                         }
 611
 612                                 } else if (prev_id) {
 613                                         correctHeadlinesOffset(prev_id);
 614                                         view(prev_id, getActiveFeedId(), noexpand);
 615                                 }
 616                         }
 617                 }
 618
 619         } catch (e) {
 620                 exception_error("moveToPost", e);
 621         }
 622 }
 623
 624 function toggleSelected(id, force_on) {
 625         try {
 626                 var row = $("RROW-" + id);
 627
 628                 if (row) {
 629                         var cb = dijit.getEnclosingWidget(
 630                                         row.getElementsByClassName("rchk")[0]);
 631
 632                         if (row.hasClassName('Selected') && !force_on) {
 633                                 row.removeClassName('Selected');
 634                                 if (cb) cb.attr("checked", false);
 635                         } else {
 636                                 row.addClassName('Selected');
 637                                 if (cb) cb.attr("checked", true);
 638                         }
 639                 }
 640
 641                 updateSelectedPrompt();
 642         } catch (e) {
 643                 exception_error("toggleSelected", e);
 644         }
 645 }
 646
 647 function updateSelectedPrompt() {
 648         try {
 649                 var count = getSelectedArticleIds2().size();
 650                 var elem = $("selected_prompt");
 651
 652                 if (elem) {
 653                         elem.innerHTML = ngettext("%d article selected",
 654                                         "%d articles selected", count).replace("%d", count);
 655
 656                         if (count > 0)
 657                                 Element.show(elem);
 658                         else
 659                                 Element.hide(elem);
 660                 }
 661
 662         } catch (e) {
 663                 exception_error("updateSelectedPrompt", e);
 664         }
 665 }
 666
 667 function toggleUnread_afh(effect) {
 668         try {
 669
 670                 var elem = effect.element;
 671                 elem.style.backgroundColor = "";
 672
 673         } catch (e) {
 674                 exception_error("toggleUnread_afh", e);
 675         }
 676 }
 677
 678 function toggleUnread(id, cmode, effect) {
 679         try {
 680
 681                 var row = $("RROW-" + id);
 682                 if (row) {
 683                         if (cmode == undefined || cmode == 2) {
 684                                 if (row.hasClassName("Unread")) {
 685                                         row.removeClassName("Unread");
 686
 687                                 } else {
 688                                         row.addClassName("Unread");
 689                                 }
 690
 691                         } else if (cmode == 0) {
 692
 693                                 row.removeClassName("Unread");
 694
 695                         } else if (cmode == 1) {
 696                                 row.addClassName("Unread");
 697                         }
 698
 699                         if (cmode == undefined) cmode = 2;
 700
 701                         var query = "?op=rpc&method=catchupSelected" +
 702                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 703
 704 //                      notify_progress("Loading, please wait...");
 705
 706                         new Ajax.Request("backend.php", {
 707                                 parameters: query,
 708                                 onComplete: function(transport) {
 709                                         handle_rpc_json(transport);
 710                                 } });
 711
 712                 }
 713
 714         } catch (e) {
 715                 exception_error("toggleUnread", e);
 716         }
 717 }
 718
 719 function selectionRemoveLabel(id, ids) {
 720         try {
 721
 722                 if (!ids) ids = getSelectedArticleIds2();
 723
 724                 if (ids.length == 0) {
 725                         alert(__("No articles are selected."));
 726                         return;
 727                 }
 728
 729                 var query = "?op=article&method=removeFromLabel&ids=" +
 730                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 731
 732                 console.log(query);
 733
 734                 new Ajax.Request("backend.php", {
 735                         parameters: query,
 736                         onComplete: function(transport) {
 737                                 handle_rpc_json(transport);
 738                                 show_labels_in_headlines(transport);
 739                         } });
 740
 741         } catch (e) {
 742                 exception_error("selectionAssignLabel", e);
 743
 744         }
 745 }
 746
 747 function selectionAssignLabel(id, ids) {
 748         try {
 749
 750                 if (!ids) ids = getSelectedArticleIds2();
 751
 752                 if (ids.length == 0) {
 753                         alert(__("No articles are selected."));
 754                         return;
 755                 }
 756
 757                 var query = "?op=article&method=assignToLabel&ids=" +
 758                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 759
 760                 console.log(query);
 761
 762                 new Ajax.Request("backend.php", {
 763                         parameters: query,
 764                         onComplete: function(transport) {
 765                                 handle_rpc_json(transport);
 766                                 show_labels_in_headlines(transport);
 767                         } });
 768
 769         } catch (e) {
 770                 exception_error("selectionAssignLabel", e);
 771
 772         }
 773 }
 774
 775 function selectionToggleUnread(set_state, callback, no_error, ids) {
 776         try {
 777                 var rows = ids ? ids : getSelectedArticleIds2();
 778
 779                 if (rows.length == 0 && !no_error) {
 780                         alert(__("No articles are selected."));
 781                         return;
 782                 }
 783
 784                 for (var i = 0; i < rows.length; i++) {
 785                         var row = $("RROW-" + rows[i]);
 786                         if (row) {
 787                                 if (set_state == undefined) {
 788                                         if (row.hasClassName("Unread")) {
 789                                                 row.removeClassName("Unread");
 790                                         } else {
 791                                                 row.addClassName("Unread");
 792                                         }
 793                                 }
 794
 795                                 if (set_state == false) {
 796                                         row.removeClassName("Unread");
 797                                 }
 798
 799                                 if (set_state == true) {
 800                                         row.addClassName("Unread");
 801                                 }
 802                         }
 803                 }
 804
 805                 if (rows.length > 0) {
 806
 807                         var cmode = "";
 808
 809                         if (set_state == undefined) {
 810                                 cmode = "2";
 811                         } else if (set_state == true) {
 812                                 cmode = "1";
 813                         } else if (set_state == false) {
 814                                 cmode = "0";
 815                         }
 816
 817                         var query = "?op=rpc&method=catchupSelected" +
 818                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 819
 820                         notify_progress("Loading, please wait...");
 821
 822                         new Ajax.Request("backend.php", {
 823                                 parameters: query,
 824                                 onComplete: function(transport) {
 825                                         handle_rpc_json(transport);
 826                                         if (callback) callback(transport);
 827                                 } });
 828
 829                 }
 830
 831         } catch (e) {
 832                 exception_error("selectionToggleUnread", e);
 833         }
 834 }
 835
 836 // sel_state ignored
 837 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 838         try {
 839
 840                 var rows = ids ? ids : getSelectedArticleIds2();
 841
 842                 if (rows.length == 0 && !no_error) {
 843                         alert(__("No articles are selected."));
 844                         return;
 845                 }
 846
 847                 for (var i = 0; i < rows.length; i++) {
 848                         toggleMark(rows[i], true, true);
 849                 }
 850
 851                 if (rows.length > 0) {
 852
 853                         var query = "?op=rpc&method=markSelected&ids=" +
 854                                 param_escape(rows.toString()) + "&cmode=2";
 855
 856                         new Ajax.Request("backend.php", {
 857                                 parameters: query,
 858                                 onComplete: function(transport) {
 859                                         handle_rpc_json(transport);
 860                                         if (callback) callback(transport);
 861                                 } });
 862
 863                 }
 864
 865         } catch (e) {
 866                 exception_error("selectionToggleMarked", e);
 867         }
 868 }
 869
 870 // sel_state ignored
 871 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 872         try {
 873
 874                 var rows = ids ? ids : getSelectedArticleIds2();
 875
 876                 if (rows.length == 0 && !no_error) {
 877                         alert(__("No articles are selected."));
 878                         return;
 879                 }
 880
 881                 for (var i = 0; i < rows.length; i++) {
 882                         togglePub(rows[i], true, true);
 883                 }
 884
 885                 if (rows.length > 0) {
 886
 887                         var query = "?op=rpc&method=publishSelected&ids=" +
 888                                 param_escape(rows.toString()) + "&cmode=2";
 889
 890                         new Ajax.Request("backend.php", {
 891                                 parameters: query,
 892                                 onComplete: function(transport) {
 893                                         handle_rpc_json(transport);
 894                                 } });
 895
 896                 }
 897
 898         } catch (e) {
 899                 exception_error("selectionToggleMarked", e);
 900         }
 901 }
 902
 903 function getSelectedArticleIds2() {
 904
 905         var rv = [];
 906
 907         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 908                 function(child) {
 909                         rv.push(child.id.replace("RROW-", ""));
 910                 });
 911
 912         return rv;
 913 }
 914
 915 function getLoadedArticleIds() {
 916         var rv = [];
 917
 918         var children = $$("#headlines-frame > div[id*=RROW-]");
 919
 920         children.each(function(child) {
 921                         rv.push(child.id.replace("RROW-", ""));
 922                 });
 923
 924         return rv;
 925
 926 }
 927
 928 // mode = all,none,unread,invert,marked,published
 929 function selectArticles(mode) {
 930         try {
 931
 932                 var children = $$("#headlines-frame > div[id*=RROW]");
 933
 934                 children.each(function(child) {
 935                         var id = child.id.replace("RROW-", "");
 936
 937                         var cb = dijit.getEnclosingWidget(
 938                                         child.getElementsByClassName("rchk")[0]);
 939
 940                         if (mode == "all") {
 941                                 child.addClassName("Selected");
 942                                 if (cb) cb.attr("checked", true);
 943                         } else if (mode == "unread") {
 944                                 if (child.hasClassName("Unread")) {
 945                                         child.addClassName("Selected");
 946                                         if (cb) cb.attr("checked", true);
 947                                 } else {
 948                                         child.removeClassName("Selected");
 949                                         if (cb) cb.attr("checked", false);
 950                                 }
 951                         } else if (mode == "marked") {
 952                                 if (child.hasClassName("marked")) {
 953                                         child.addClassName("Selected");
 954                                         if (cb) cb.attr("checked", true);
 955                                 } else {
 956                                         child.removeClassName("Selected");
 957                                         if (cb) cb.attr("checked", false);
 958                                 }
 959                         } else if (mode == "published") {
 960                                 if (child.hasClassName("published")) {
 961                                         child.addClassName("Selected");
 962                                         if (cb) cb.attr("checked", true);
 963                                 } else {
 964                                         child.removeClassName("Selected");
 965                                         if (cb) cb.attr("checked", false);
 966                                 }
 967
 968                         } else if (mode == "invert") {
 969                                 if (child.hasClassName("Selected")) {
 970                                         child.removeClassName("Selected");
 971                                         if (cb) cb.attr("checked", false);
 972                                 } else {
 973                                         child.addClassName("Selected");
 974                                         if (cb) cb.attr("checked", true);
 975                                 }
 976
 977                         } else {
 978                                 child.removeClassName("Selected");
 979                                 if (cb) cb.attr("checked", false);
 980                         }
 981                 });
 982
 983                 updateSelectedPrompt();
 984
 985         } catch (e) {
 986                 exception_error("selectArticles", e);
 987         }
 988 }
 989
 990 function deleteSelection() {
 991
 992         try {
 993
 994                 var rows = getSelectedArticleIds2();
 995
 996                 if (rows.length == 0) {
 997                         alert(__("No articles are selected."));
 998                         return;
 999                 }
1000
1001                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1002                 var str;
1003
1004                 if (getActiveFeedId() != 0) {
1005                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
1006                 } else {
1007                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
1008                 }
1009
1010                 str = str.replace("%d", rows.length);
1011                 str = str.replace("%s", fn);
1012
1013                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1014                         return;
1015                 }
1016
1017                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
1018
1019                 console.log(query);
1020
1021                 new Ajax.Request("backend.php", {
1022                         parameters: query,
1023                         onComplete: function(transport) {
1024                                         handle_rpc_json(transport);
1025                                         viewCurrentFeed();
1026                                 } });
1027
1028         } catch (e) {
1029                 exception_error("deleteSelection", e);
1030         }
1031 }
1032
1033 function archiveSelection() {
1034
1035         try {
1036
1037                 var rows = getSelectedArticleIds2();
1038
1039                 if (rows.length == 0) {
1040                         alert(__("No articles are selected."));
1041                         return;
1042                 }
1043
1044                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1045                 var str;
1046                 var op;
1047
1048                 if (getActiveFeedId() != 0) {
1049                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1050                         op = "archive";
1051                 } else {
1052                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1053
1054                         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
1055
1056                         op = "unarchive";
1057                 }
1058
1059                 str = str.replace("%d", rows.length);
1060                 str = str.replace("%s", fn);
1061
1062                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1063                         return;
1064                 }
1065
1066                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1067
1068                 console.log(query);
1069
1070                 for (var i = 0; i < rows.length; i++) {
1071                         cache_delete("article:" + rows[i]);
1072                 }
1073
1074                 new Ajax.Request("backend.php", {
1075                         parameters: query,
1076                         onComplete: function(transport) {
1077                                         handle_rpc_json(transport);
1078                                         viewCurrentFeed();
1079                                 } });
1080
1081         } catch (e) {
1082                 exception_error("archiveSelection", e);
1083         }
1084 }
1085
1086 function catchupSelection() {
1087
1088         try {
1089
1090                 var rows = getSelectedArticleIds2();
1091
1092                 if (rows.length == 0) {
1093                         alert(__("No articles are selected."));
1094                         return;
1095                 }
1096
1097                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1098
1099                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1100
1101                 str = str.replace("%d", rows.length);
1102                 str = str.replace("%s", fn);
1103
1104                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1105                         return;
1106                 }
1107
1108                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1109
1110         } catch (e) {
1111                 exception_error("catchupSelection", e);
1112         }
1113 }
1114
1115 function editArticleTags(id) {
1116                 var query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
1117
1118                 if (dijit.byId("editTagsDlg"))
1119                         dijit.byId("editTagsDlg").destroyRecursive();
1120
1121                 dialog = new dijit.Dialog({
1122                         id: "editTagsDlg",
1123                         title: __("Edit article Tags"),
1124                         style: "width: 600px",
1125                         execute: function() {
1126                                 if (this.validate()) {
1127                                         var query = dojo.objectToQuery(this.attr('value'));
1128
1129                                         notify_progress("Saving article tags...", true);
1130
1131                                         new Ajax.Request("backend.php", {
1132                                         parameters: query,
1133                                         onComplete: function(transport) {
1134                                                 try {
1135                                                         notify('');
1136                                                         dialog.hide();
1137
1138                                                         var data = JSON.parse(transport.responseText);
1139
1140                                                         if (data) {
1141                                                                 var id = data.id;
1142
1143                                                                 console.log(id);
1144
1145                                                                 var tags = $("ATSTR-" + id);
1146                                                                 var tooltip = dijit.byId("ATSTRTIP-" + id);
1147
1148                                                                 if (tags) tags.innerHTML = data.content;
1149                                                                 if (tooltip) tooltip.attr('label', data.content_full);
1150                                                         }
1151                                                 } catch (e) {
1152                                                         exception_error("editArticleTags/inner", e);
1153                                                 }
1154
1155                                         }});
1156                                 }
1157                         },
1158                         href: query,
1159                 });
1160
1161                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1162                 dojo.disconnect(tmph);
1163
1164                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1165                            "backend.php?op=article&method=completeTags",
1166                            { tokens: ',', paramName: "search" });
1167                 });
1168
1169                 dialog.show();
1170
1171 }
1172
1173 function cdmScrollToArticleId(id, force) {
1174         try {
1175                 var ctr = $("headlines-frame");
1176                 var e = $("RROW-" + id);
1177
1178                 if (!e || !ctr) return;
1179
1180                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1181                                 e.offsetTop < ctr.scrollTop) {
1182
1183                         // expanded cdm has a 4px margin now
1184                         ctr.scrollTop = parseInt(e.offsetTop) - 4;
1185                 }
1186
1187         } catch (e) {
1188                 exception_error("cdmScrollToArticleId", e);
1189         }
1190 }
1191
1192 function setActiveArticleId(id) {
1193         _active_article_id = id;
1194         PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
1195 }
1196
1197 function getActiveArticleId() {
1198         return _active_article_id;
1199 }
1200
1201 function postMouseIn(e, id) {
1202         post_under_pointer = id;
1203 }
1204
1205 function postMouseOut(id) {
1206         post_under_pointer = false;
1207 }
1208
1209 function unpackVisibleHeadlines() {
1210         try {
1211                 if (!isCdmMode()) return;
1212
1213                 $$("#headlines-frame > div[id*=RROW]").each(
1214                         function(child) {
1215                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1216                                         $("headlines-frame").offsetHeight) {
1217
1218                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1219
1220                                         if (cencw) {
1221                                                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED_CDM, child);
1222
1223                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1224                                                 cencw.setAttribute('id', '');
1225                                                 Element.show(cencw);
1226                                         }
1227                                 }
1228                         }
1229                 );
1230
1231         } catch (e) {
1232                 exception_error("unpackVisibleHeadlines", e);
1233         }
1234 }
1235
1236 function headlines_scroll_handler(e) {
1237         try {
1238                 var hsp = $("headlines-spacer");
1239
1240                 unpackVisibleHeadlines();
1241
1242                 if (!_infscroll_disable) {
1243                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1244                                         (e.scrollHeight != 0 &&
1245                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1246
1247                                 if (hsp)
1248                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1249                                                 __("Loading, please wait...");
1250
1251                                 loadMoreHeadlines();
1252                                 return;
1253
1254                         }
1255                 } else {
1256                         if (hsp) hsp.innerHTML = "";
1257                 }
1258
1259                 if (getInitParam("cdm_auto_catchup") == 1) {
1260
1261                         // let's get DOM some time to settle down
1262                         var ts = new Date().getTime();
1263                         if (ts - _last_headlines_update < 100) return;
1264
1265                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1266                                 function(child) {
1267                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1268                                                         (child.offsetTop + child.offsetHeight/2)) {
1269
1270                                                 var id = child.id.replace("RROW-", "");
1271
1272                                                 if (catchup_id_batch.indexOf(id) == -1)
1273                                                         catchup_id_batch.push(id);
1274
1275                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1276                                         }
1277                                 });
1278
1279                         if (catchup_id_batch.length > 0) {
1280                                 window.clearTimeout(catchup_timeout_id);
1281
1282                                 if (!_infscroll_request_sent) {
1283                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1284                                                 500);
1285                                 }
1286                         }
1287                 }
1288
1289         } catch (e) {
1290                 console.warn("headlines_scroll_handler: " + e);
1291         }
1292 }
1293
1294 function catchupBatchedArticles() {
1295         try {
1296                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1297
1298                         // make a copy of the array
1299                         var batch = catchup_id_batch.slice();
1300                         var query = "?op=rpc&method=catchupSelected" +
1301                                 "&cmode=0&ids=" + param_escape(batch.toString());
1302
1303                         console.log(query);
1304
1305                         new Ajax.Request("backend.php", {
1306                                 parameters: query,
1307                                 onComplete: function(transport) {
1308                                         handle_rpc_json(transport);
1309
1310                                         reply = JSON.parse(transport.responseText);
1311                                         var batch = reply.ids;
1312
1313                                         batch.each(function(id) {
1314                                                 console.log(id);
1315                                                 var elem = $("RROW-" + id);
1316                                                 if (elem) elem.removeClassName("Unread");
1317                                                 catchup_id_batch.remove(id);
1318                                         });
1319
1320                                 } });
1321                 }
1322
1323         } catch (e) {
1324                 exception_error("catchupBatchedArticles", e);
1325         }
1326 }
1327
1328 function catchupRelativeToArticle(below, id) {
1329
1330         try {
1331
1332                 if (!id) id = getActiveArticleId();
1333
1334                 if (!id) {
1335                         alert(__("No article is selected."));
1336                         return;
1337                 }
1338
1339                 var visible_ids = getVisibleArticleIds();
1340
1341                 var ids_to_mark = new Array();
1342
1343                 if (!below) {
1344                         for (var i = 0; i < visible_ids.length; i++) {
1345                                 if (visible_ids[i] != id) {
1346                                         var e = $("RROW-" + visible_ids[i]);
1347
1348                                         if (e && e.hasClassName("Unread")) {
1349                                                 ids_to_mark.push(visible_ids[i]);
1350                                         }
1351                                 } else {
1352                                         break;
1353                                 }
1354                         }
1355                 } else {
1356                         for (var i = visible_ids.length-1; i >= 0; i--) {
1357                                 if (visible_ids[i] != id) {
1358                                         var e = $("RROW-" + visible_ids[i]);
1359
1360                                         if (e && e.hasClassName("Unread")) {
1361                                                 ids_to_mark.push(visible_ids[i]);
1362                                         }
1363                                 } else {
1364                                         break;
1365                                 }
1366                         }
1367                 }
1368
1369                 if (ids_to_mark.length == 0) {
1370                         alert(__("No articles found to mark"));
1371                 } else {
1372                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1373
1374                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1375
1376                                 for (var i = 0; i < ids_to_mark.length; i++) {
1377                                         var e = $("RROW-" + ids_to_mark[i]);
1378                                         e.removeClassName("Unread");
1379                                 }
1380
1381                                 var query = "?op=rpc&method=catchupSelected" +
1382                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1383
1384                                 new Ajax.Request("backend.php", {
1385                                         parameters: query,
1386                                         onComplete: function(transport) {
1387                                                 handle_rpc_json(transport);
1388                                         } });
1389
1390                         }
1391                 }
1392
1393         } catch (e) {
1394                 exception_error("catchupRelativeToArticle", e);
1395         }
1396 }
1397
1398 function cdmCollapseArticle(event, id) {
1399         try {
1400                 var row = $("RROW-" + id);
1401                 var elem = $("CICD-" + id);
1402
1403                 if (elem && row) {
1404                         var collapse = $$("div#RROW-" + id +
1405                                 " span[class='collapseBtn']")[0];
1406
1407                         Element.hide(elem);
1408                         Element.show("CEXC-" + id);
1409                         Element.hide(collapse);
1410                         row.removeClassName("active");
1411
1412                         markHeadline(id, false);
1413
1414                         if (id == getActiveArticleId()) {
1415                                 setActiveArticleId(0);
1416                         }
1417
1418                         if (event) Event.stop(event);
1419                 }
1420
1421         } catch (e) {
1422                 exception_error("cdmCollapseArticle", e);
1423         }
1424 }
1425
1426 function cdmUnexpandArticle(event, id) {
1427         try {
1428                 var row = $("RROW-" + id);
1429                 var elem = $("CICD-" + id);
1430
1431                 if (elem && row) {
1432                         var collapse = $$("div#RROW-" + id +
1433                                 " span[class='collapseBtn']")[0];
1434
1435                         Element.hide(elem);
1436                         Element.show("CEXC-" + id);
1437                         Element.hide(collapse);
1438
1439                         if (event) Event.stop(event);
1440                 }
1441
1442         } catch (e) {
1443                 exception_error("cdmUnexpandArticle", e);
1444         }
1445 }
1446
1447 function cdmExpandArticle(id, noexpand) {
1448         try {
1449                 console.log("cdmExpandArticle " + id);
1450
1451                 if (!$("RROW-" + id)) return false;
1452
1453                 var oldrow = $("RROW-" + getActiveArticleId());
1454
1455                 var elem = $("CICD-" + getActiveArticleId());
1456
1457                 if (id == getActiveArticleId() && Element.visible(elem))
1458                         return true;
1459
1460                 selectArticles("none");
1461
1462                 var old_offset = $("RROW-" + id).offsetTop;
1463
1464                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1465                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1466                                 " span[class='collapseBtn']")[0];
1467
1468                         Element.hide(elem);
1469                         Element.show("CEXC-" + getActiveArticleId());
1470                         Element.hide(collapse);
1471                 }
1472
1473                 if (oldrow) oldrow.removeClassName("active");
1474
1475                 setActiveArticleId(id);
1476
1477                 elem = $("CICD-" + id);
1478
1479                 var collapse = $$("div#RROW-" + id +
1480                                 " span[class='collapseBtn']")[0];
1481
1482                 var cencw = $("CENCW-" + id);
1483
1484                 if (!Element.visible(elem) && !noexpand) {
1485                         if (cencw) {
1486                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1487                                 cencw.setAttribute('id', '');
1488                                 Element.show(cencw);
1489                         }
1490
1491                         Element.show(elem);
1492                         Element.hide("CEXC-" + id);
1493                         Element.show(collapse);
1494                 }
1495
1496                 var new_offset = $("RROW-" + id).offsetTop;
1497
1498                 if (old_offset > new_offset)
1499                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1500
1501                 if (!noexpand)
1502                         toggleUnread(id, 0, true);
1503                 toggleSelected(id);
1504                 $("RROW-" + id).addClassName("active");
1505
1506         } catch (e) {
1507                 exception_error("cdmExpandArticle", e);
1508         }
1509
1510         return false;
1511 }
1512
1513 function fixHeadlinesOrder(ids) {
1514         try {
1515                 for (var i = 0; i < ids.length; i++) {
1516                         var e = $("RROW-" + ids[i]);
1517
1518                         if (e) {
1519                                 if (i % 2 == 0) {
1520                                         e.removeClassName("even");
1521                                         e.addClassName("odd");
1522                                 } else {
1523                                         e.removeClassName("odd");
1524                                         e.addClassName("even");
1525                                 }
1526                         }
1527                 }
1528         } catch (e) {
1529                 exception_error("fixHeadlinesOrder", e);
1530         }
1531 }
1532
1533 function getArticleUnderPointer() {
1534         return post_under_pointer;
1535 }
1536
1537 function scrollArticle(offset) {
1538         try {
1539                 if (!isCdmMode()) {
1540                         var ci = $("content-insert");
1541                         if (ci) {
1542                                 ci.scrollTop += offset;
1543                         }
1544                 } else {
1545                         var hi = $("headlines-frame");
1546                         if (hi) {
1547                                 hi.scrollTop += offset;
1548                         }
1549
1550                 }
1551         } catch (e) {
1552                 exception_error("scrollArticle", e);
1553         }
1554 }
1555
1556 function show_labels_in_headlines(transport) {
1557         try {
1558                 var data = JSON.parse(transport.responseText);
1559
1560                 if (data) {
1561                         data['info-for-headlines'].each(function(elem) {
1562                                 var ctr = $("HLLCTR-" + elem.id);
1563
1564                                 if (ctr) ctr.innerHTML = elem.labels;
1565                         });
1566                 }
1567         } catch (e) {
1568                 exception_error("show_labels_in_headlines", e);
1569         }
1570 }
1571
1572 function dismissArticle(id) {
1573         try {
1574                 var elem = $("RROW-" + id);
1575
1576                 if (!elem) return;
1577
1578                 toggleUnread(id, 0, true);
1579
1580                 new Effect.Fade(elem, {duration : 0.5});
1581
1582                 if (id == getActiveArticleId()) {
1583                         setActiveArticleId(0);
1584                 }
1585
1586         } catch (e) {
1587                 exception_error("dismissArticle", e);
1588         }
1589 }
1590
1591 function dismissSelectedArticles() {
1592         try {
1593
1594                 var ids = getVisibleArticleIds();
1595                 var tmp = [];
1596                 var sel = [];
1597
1598                 for (var i = 0; i < ids.length; i++) {
1599                         var elem = $("RROW-" + ids[i]);
1600
1601                         if (elem.className && elem.hasClassName("Selected") &&
1602                                         ids[i] != getActiveArticleId()) {
1603                                 new Effect.Fade(elem, {duration : 0.5});
1604                                 sel.push(ids[i]);
1605                         } else {
1606                                 tmp.push(ids[i]);
1607                         }
1608                 }
1609
1610                 if (sel.length > 0)
1611                         selectionToggleUnread(false);
1612
1613                 fixHeadlinesOrder(tmp);
1614
1615         } catch (e) {
1616                 exception_error("dismissSelectedArticles", e);
1617         }
1618 }
1619
1620 function dismissReadArticles() {
1621         try {
1622
1623                 var ids = getVisibleArticleIds();
1624                 var tmp = [];
1625
1626                 for (var i = 0; i < ids.length; i++) {
1627                         var elem = $("RROW-" + ids[i]);
1628
1629                         if (elem.className && !elem.hasClassName("Unread") &&
1630                                         !elem.hasClassName("Selected")) {
1631
1632                                 new Effect.Fade(elem, {duration : 0.5});
1633                         } else {
1634                                 tmp.push(ids[i]);
1635                         }
1636                 }
1637
1638                 fixHeadlinesOrder(tmp);
1639
1640         } catch (e) {
1641                 exception_error("dismissSelectedArticles", e);
1642         }
1643 }
1644
1645 function getVisibleArticleIds() {
1646         var ids = [];
1647
1648         try {
1649
1650                 getLoadedArticleIds().each(function(id) {
1651                         var elem = $("RROW-" + id);
1652                         if (elem && Element.visible(elem))
1653                                 ids.push(id);
1654                         });
1655
1656         } catch (e) {
1657                 exception_error("getVisibleArticleIds", e);
1658         }
1659
1660         return ids;
1661 }
1662
1663 function cdmClicked(event, id) {
1664         try {
1665                 //var shift_key = event.shiftKey;
1666
1667                 if (!event.ctrlKey) {
1668
1669                         if (!getInitParam("cdm_expanded")) {
1670                                 return cdmExpandArticle(id);
1671                         } else {
1672
1673                                 var elem = $("RROW-" + getActiveArticleId());
1674
1675                                 if (elem) elem.removeClassName("active");
1676
1677                                 selectArticles("none");
1678                                 toggleSelected(id);
1679
1680                                 var elem = $("RROW-" + id);
1681                                 var article_is_unread = elem.hasClassName("Unread");
1682
1683                                 elem.removeClassName("Unread");
1684                                 elem.addClassName("active");
1685
1686                                 setActiveArticleId(id);
1687
1688                                 if (article_is_unread) {
1689                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1690                                 }
1691
1692                                 var query = "?op=rpc&method=catchupSelected" +
1693                                         "&cmode=0&ids=" + param_escape(id);
1694
1695                                 new Ajax.Request("backend.php", {
1696                                         parameters: query,
1697                                         onComplete: function(transport) {
1698                                                 handle_rpc_json(transport);
1699                                         } });
1700
1701                                 return !event.shiftKey;
1702                         }
1703
1704                 } else {
1705                         toggleSelected(id, true);
1706
1707                         var elem = $("RROW-" + id);
1708                         var article_is_unread = elem.hasClassName("Unread");
1709
1710                         if (article_is_unread) {
1711                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1712                         }
1713
1714                         toggleUnread(id, 0, false);
1715
1716                         openArticleInNewWindow(id);
1717                 }
1718
1719                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1720                 request_counters(unread_in_buffer == 0);
1721
1722         } catch (e) {
1723                 exception_error("cdmClicked");
1724         }
1725
1726         return false;
1727 }
1728
1729 function hlClicked(event, id) {
1730         try {
1731                 if (event.which == 2) {
1732                         view(id);
1733                         return true;
1734                 } else if (event.ctrlKey) {
1735                         toggleSelected(id, true);
1736                         toggleUnread(id, 0, false);
1737                         openArticleInNewWindow(id);
1738                         return false;
1739                 } else {
1740                         view(id);
1741                         return false;
1742                 }
1743
1744         } catch (e) {
1745                 exception_error("hlClicked");
1746         }
1747 }
1748
1749 function getFirstVisibleHeadlineId() {
1750         var rows = getVisibleArticleIds();
1751         return rows[0];
1752
1753 }
1754
1755 function getLastVisibleHeadlineId() {
1756         var rows = getVisibleArticleIds();
1757         return rows[rows.length-1];
1758 }
1759
1760 function openArticleInNewWindow(id) {
1761         toggleUnread(id, 0, false);
1762         window.open("backend.php?op=article&method=redirect&id=" + id);
1763 }
1764
1765 function isCdmMode() {
1766         return getInitParam("combined_display_mode");
1767 }
1768
1769 function markHeadline(id, marked) {
1770         if (marked == undefined) marked = true;
1771
1772         var row = $("RROW-" + id);
1773         if (row) {
1774                 var check = dijit.getEnclosingWidget(
1775                                 row.getElementsByClassName("rchk")[0]);
1776
1777                 if (check) {
1778                         check.attr("checked", marked);
1779                 }
1780
1781                 if (marked)
1782                         row.addClassName("Selected");
1783                 else
1784                         row.removeClassName("Selected");
1785         }
1786 }
1787
1788 function getRelativePostIds(id, limit) {
1789
1790         var tmp = [];
1791
1792         try {
1793
1794                 if (!limit) limit = 6; //3
1795
1796                 var ids = getVisibleArticleIds();
1797
1798                 for (var i = 0; i < ids.length; i++) {
1799                         if (ids[i] == id) {
1800                                 for (var k = 1; k <= limit; k++) {
1801                                         //if (i > k-1) tmp.push(ids[i-k]);
1802                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1803                                 }
1804                                 break;
1805                         }
1806                 }
1807
1808         } catch (e) {
1809                 exception_error("getRelativePostIds", e);
1810         }
1811
1812         return tmp;
1813 }
1814
1815 function correctHeadlinesOffset(id) {
1816
1817         try {
1818
1819                 var container = $("headlines-frame");
1820                 var row = $("RROW-" + id);
1821
1822                 if (!container || !row) return;
1823
1824                 var viewport = container.offsetHeight;
1825
1826                 var rel_offset_top = row.offsetTop - container.scrollTop;
1827                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1828
1829                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1830                 //console.log("Vport: " + viewport);
1831
1832                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1833                         container.scrollTop = row.offsetTop;
1834                 } else if (rel_offset_bottom > viewport) {
1835
1836                         /* doesn't properly work with Opera in some cases because
1837                                 Opera fucks up element scrolling */
1838
1839                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1840                 }
1841
1842         } catch (e) {
1843                 exception_error("correctHeadlinesOffset", e);
1844         }
1845
1846 }
1847
1848 function headlineActionsChange(elem) {
1849         try {
1850                 eval(elem.value);
1851                 elem.attr('value', 'false');
1852         } catch (e) {
1853                 exception_error("headlineActionsChange", e);
1854         }
1855 }
1856
1857 function closeArticlePanel() {
1858
1859         if (dijit.byId("content-insert"))
1860                 dijit.byId("headlines-wrap-inner").removeChild(
1861                         dijit.byId("content-insert"));
1862 }
1863
1864 function initHeadlinesMenu() {
1865         try {
1866                 if (dijit.byId("headlinesMenu"))
1867                         dijit.byId("headlinesMenu").destroyRecursive();
1868
1869                 var ids = [];
1870
1871                 if (!isCdmMode()) {
1872                         nodes = $$("#headlines-frame > div[id*=RROW]");
1873                 } else {
1874                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1875                 }
1876
1877                 nodes.each(function(node) {
1878                         ids.push(node.id);
1879                 });
1880
1881                 var menu = new dijit.Menu({
1882                         id: "headlinesMenu",
1883                         targetNodeIds: ids,
1884                 });
1885
1886                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1887                         var callerNode = event.target, match = null, tries = 0;
1888
1889                         while (match == null && callerNode && tries <= 3) {
1890                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1891                                 callerNode = callerNode.parentNode;
1892                                 ++tries;
1893                         }
1894
1895                         if (match) this.callerRowId = parseInt(match[1]);
1896
1897                 });
1898
1899 /*              if (!isCdmMode())
1900                         menu.addChild(new dijit.MenuItem({
1901                                 label: __("View article"),
1902                                 onClick: function(event) {
1903                                         view(this.getParent().callerRowId);
1904                                 }})); */
1905
1906                 menu.addChild(new dijit.MenuItem({
1907                         label: __("Open original article"),
1908                         onClick: function(event) {
1909                                 openArticleInNewWindow(this.getParent().callerRowId);
1910                         }}));
1911
1912                 menu.addChild(new dijit.MenuItem({
1913                         label: __("Display article URL"),
1914                         onClick: function(event) {
1915                                 displayArticleUrl(this.getParent().callerRowId);
1916                         }}));
1917
1918                 menu.addChild(new dijit.MenuSeparator());
1919
1920                 menu.addChild(new dijit.MenuItem({
1921                         label: __("Toggle unread"),
1922                         onClick: function(event) {
1923                                 var ids = getSelectedArticleIds2();
1924                                 // cast to string
1925                                 var id = this.getParent().callerRowId + "";
1926                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1927
1928                                 selectionToggleUnread(undefined, false, true, ids);
1929                                 }}));
1930
1931                 menu.addChild(new dijit.MenuItem({
1932                         label: __("Toggle marked"),
1933                         onClick: function(event) {
1934                                 var ids = getSelectedArticleIds2();
1935                                 // cast to string
1936                                 var id = this.getParent().callerRowId + "";
1937                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1938
1939                                 selectionToggleMarked(undefined, false, true, ids);
1940                                 }}));
1941
1942                 menu.addChild(new dijit.MenuItem({
1943                         label: __("Toggle published"),
1944                         onClick: function(event) {
1945                                 var ids = getSelectedArticleIds2();
1946                                 // cast to string
1947                                 var id = this.getParent().callerRowId + "";
1948                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1949
1950                                 selectionTogglePublished(undefined, false, true, ids);
1951                                 }}));
1952
1953                 menu.addChild(new dijit.MenuSeparator());
1954
1955                 menu.addChild(new dijit.MenuItem({
1956                         label: __("Mark above as read"),
1957                         onClick: function(event) {
1958                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1959                                 }}));
1960
1961                 menu.addChild(new dijit.MenuItem({
1962                         label: __("Mark below as read"),
1963                         onClick: function(event) {
1964                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1965                                 }}));
1966
1967
1968                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1969
1970                 if (labels) {
1971
1972                         menu.addChild(new dijit.MenuSeparator());
1973
1974                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1975                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1976
1977                         labels.each(function(label) {
1978                                 var id = label.id[0];
1979                                 var bare_id = id.substr(id.indexOf(":")+1);
1980                                 var name = label.name[0];
1981
1982                                 bare_id = feed_to_label_id(bare_id);
1983
1984                                 labelAddMenu.addChild(new dijit.MenuItem({
1985                                         label: name,
1986                                         labelId: bare_id,
1987                                         onClick: function(event) {
1988                                                 var ids = getSelectedArticleIds2();
1989                                                 // cast to string
1990                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1991
1992                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1993
1994                                                 selectionAssignLabel(this.labelId, ids);
1995                                 }}));
1996
1997                                 labelDelMenu.addChild(new dijit.MenuItem({
1998                                         label: name,
1999                                         labelId: bare_id,
2000                                         onClick: function(event) {
2001                                                 var ids = getSelectedArticleIds2();
2002                                                 // cast to string
2003                                                 var id = this.getParent().ownerMenu.callerRowId + "";
2004
2005                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2006
2007                                                 selectionRemoveLabel(this.labelId, ids);
2008                                 }}));
2009
2010                         });
2011
2012                         menu.addChild(new dijit.PopupMenuItem({
2013                                 label: __("Assign label"),
2014                                 popup: labelAddMenu,
2015                         }));
2016
2017                         menu.addChild(new dijit.PopupMenuItem({
2018                                 label: __("Remove label"),
2019                                 popup: labelDelMenu,
2020                         }));
2021
2022                 }
2023
2024                 menu.startup();
2025
2026         } catch (e) {
2027                 exception_error("initHeadlinesMenu", e);
2028         }
2029 }
2030
2031 function cache_set(id, obj) {
2032         //console.log("cache_set: " + id);
2033         if (has_storage)
2034                 try {
2035                         sessionStorage[id] = obj;
2036                 } catch (e) {
2037                         sessionStorage.clear();
2038                 }
2039 }
2040
2041 function cache_get(id) {
2042         if (has_storage)
2043                 return sessionStorage[id];
2044 }
2045
2046 function cache_clear() {
2047         if (has_storage)
2048                 sessionStorage.clear();
2049 }
2050
2051 function cache_delete(id) {
2052         if (has_storage)
2053                 sessionStorage.removeItem(id);
2054 }
2055
2056 function cancelSearch() {
2057         try {
2058                 _search_query = "";
2059                 viewCurrentFeed();
2060         } catch (e) {
2061                 exception_error("cancelSearch", e);
2062         }
2063 }
2064
2065 function setSelectionScore() {
2066         try {
2067                 var ids = getSelectedArticleIds2();
2068
2069                 if (ids.length > 0) {
2070                         console.log(ids);
2071
2072                         var score = prompt(__("Please enter new score for selected articles:"), score);
2073
2074                         if (score != undefined) {
2075                                 var query = "op=article&method=setScore&id=" + param_escape(ids.toString()) +
2076                                         "&score=" + param_escape(score);
2077
2078                                 new Ajax.Request("backend.php", {
2079                                         parameters: query,
2080                                         onComplete: function(transport) {
2081                                                 var reply = JSON.parse(transport.responseText);
2082                                                 if (reply) {
2083                                                         console.log(ids);
2084
2085                                                         ids.each(function(id) {
2086                                                                 var row = $("RROW-" + id);
2087
2088                                                                 if (row) {
2089                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2090
2091                                                                         if (pic) {
2092                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2093                                                                                         reply["score_pic"]);
2094                                                                                 pic.setAttribute("score", score);
2095                                                                         }
2096                                                                 }
2097                                                         });
2098                                                 }
2099                                         } });
2100                         }
2101
2102                 } else {
2103                         alert(__("No articles are selected."));
2104                 }
2105         } catch (e) {
2106                 exception_error("setSelectionScore", e);
2107         }
2108 }
2109
2110 function changeScore(id, pic) {
2111         try {
2112                 var score = pic.getAttribute("score");
2113
2114                 var new_score = prompt(__("Please enter new score for this article:"), score);
2115
2116                 if (new_score != undefined) {
2117
2118                         var query = "op=article&method=setScore&id=" + param_escape(id) +
2119                                 "&score=" + param_escape(new_score);
2120
2121                         new Ajax.Request("backend.php", {
2122                                 parameters: query,
2123                                 onComplete: function(transport) {
2124                                         var reply = JSON.parse(transport.responseText);
2125
2126                                         if (reply) {
2127                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2128                                                 pic.setAttribute("score", new_score);
2129                                         }
2130                                 } });
2131                 }
2132         } catch (e) {
2133                 exception_error("changeScore", e);
2134         }
2135 }
2136
2137 function displayArticleUrl(id) {
2138         try {
2139                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2140
2141                         new Ajax.Request("backend.php", {
2142                                 parameters: query,
2143                                 onComplete: function(transport) {
2144                                         var reply = JSON.parse(transport.responseText);
2145
2146                                         if (reply && reply.link) {
2147                                                 prompt(__("Article URL:"), reply.link);
2148                                         }
2149                                 } });
2150         } catch (e) {
2151                 exception_error("changeScore", e);
2152         }
2153 }
2154
2155 function openSelectedAttachment(elem) {
2156         try {
2157                 var url = elem[elem.selectedIndex].value;
2158
2159                 if (url) {
2160                         window.open(url);
2161                         elem.selectedIndex = 0;
2162                 }
2163
2164         } catch (e) {
2165                 exception_error("openSelectedAttachment", e);
2166         }
2167 }