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                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED, article);
 236
 237                 c.attr('content', article);
 238
 239                 correctHeadlinesOffset(getActiveArticleId());
 240
 241                 try {
 242                         c.focus();
 243                 } catch (e) { };
 244
 245         } catch (e) {
 246                 exception_error("render_article", e);
 247         }
 248 }
 249
 250 function showArticleInHeadlines(id, noexpand) {
 251
 252         try {
 253                 selectArticles("none");
 254
 255                 var crow = $("RROW-" + id);
 256
 257                 if (!crow) return;
 258
 259                 var article_is_unread = crow.hasClassName("Unread");
 260
 261                 if (!noexpand)
 262                         crow.removeClassName("Unread");
 263                 crow.addClassName("active");
 264
 265                 selectArticles('none');
 266
 267                 var view_mode = false;
 268
 269                 try {
 270                         view_mode = document.forms['main_toolbar_form'].view_mode;
 271                         view_mode = view_mode[view_mode.selectedIndex].value;
 272                 } catch (e) {
 273                         //
 274                 }
 275
 276                 markHeadline(id);
 277
 278                 if (article_is_unread && !noexpand)
 279                         _force_scheduled_update = true;
 280
 281         } catch (e) {
 282                 exception_error("showArticleInHeadlines", e);
 283         }
 284 }
 285
 286 function article_callback2(transport, id) {
 287         try {
 288                 console.log("article_callback2 " + id);
 289
 290                 handle_rpc_json(transport);
 291
 292                 var reply = false;
 293
 294                 try {
 295                         reply = JSON.parse(transport.responseText);
 296                 } catch (e) {
 297                         console.error(e);
 298                 }
 299
 300                 if (reply) {
 301
 302                         reply.each(function(article) {
 303                                 if (getActiveArticleId() == article['id']) {
 304                                         render_article(article['content']);
 305                                 }
 306                                 cids_requested.remove(article['id']);
 307
 308                                 cache_set("article:" + article['id'], article['content']);
 309                         });
 310
 311 //                      if (id != last_requested_article) {
 312 //                              console.log("requested article id is out of sequence, aborting");
 313 //                              return;
 314 //                      }
 315
 316                 } else if (transport.responseText) {
 317                         console.error("Invalid object received: " + transport.responseText);
 318
 319                         render_article("<div class='whiteBox'>" +
 320                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 321                 } else {
 322                         Element.show(dijit.byId("net-alert").domNode);
 323                 }
 324
 325                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 326                 request_counters(unread_in_buffer == 0);
 327
 328                 //headlines_scroll_handler($("headlines-frame"));
 329
 330 /*              try {
 331                         if (!_infscroll_disable &&
 332                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 333
 334                                 loadMoreHeadlines();
 335                         }
 336                 } catch (e) {
 337                         console.warn(e);
 338                 } */
 339
 340                 notify("");
 341         } catch (e) {
 342                 exception_error("article_callback2", e, transport);
 343         }
 344 }
 345
 346 function view(id, activefeed, noexpand) {
 347         try {
 348                 var oldrow = $("RROW-" + getActiveArticleId());
 349                 if (oldrow) oldrow.removeClassName("active");
 350
 351                 var crow = $("RROW-" + id);
 352
 353                 if (!crow) return;
 354                 if (noexpand) {
 355                         setActiveArticleId(id);
 356                         showArticleInHeadlines(id, noexpand);
 357                         return;
 358                 }
 359
 360                 console.log("loading article: " + id);
 361
 362                 var cached_article = cache_get("article:" + id);
 363
 364                 console.log("cache check result: " + (cached_article != false));
 365
 366                 var query = "?op=article&method=view&id=" + param_escape(id);
 367
 368                 var neighbor_ids = getRelativePostIds(id);
 369
 370                 /* only request uncached articles */
 371
 372                 var cids_to_request = [];
 373
 374                 for (var i = 0; i < neighbor_ids.length; i++) {
 375                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 376                                 if (!cache_get("article:" + neighbor_ids[i])) {
 377                                         cids_to_request.push(neighbor_ids[i]);
 378                                         cids_requested.push(neighbor_ids[i]);
 379                                 }
 380                 }
 381
 382                 console.log("additional ids: " + cids_to_request.toString());
 383
 384                 query = query + "&cids=" + cids_to_request.toString();
 385
 386                 var article_is_unread = crow.hasClassName("Unread");
 387
 388                 setActiveArticleId(id);
 389                 showArticleInHeadlines(id);
 390
 391                 if (cached_article && article_is_unread) {
 392
 393                         query = query + "&mode=prefetch";
 394
 395                         render_article(cached_article);
 396
 397                 } else if (cached_article) {
 398
 399                         query = query + "&mode=prefetch_old";
 400                         render_article(cached_article);
 401
 402                         // if we don't need to request any relative ids, we might as well skip
 403                         // the server roundtrip altogether
 404                         if (cids_to_request.length == 0) {
 405
 406 /*                              try {
 407                                         if (!_infscroll_disable &&
 408                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 409
 410                                                         loadMoreHeadlines();
 411                                         }
 412                                 } catch (e) {
 413                                         console.warn(e);
 414                                 } */
 415
 416                                 //headlines_scroll_handler($("headlines-frame"));
 417
 418                                 return;
 419                         }
 420                 }
 421
 422                 last_requested_article = id;
 423
 424                 console.log(query);
 425
 426                 if (article_is_unread) {
 427                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 428                 }
 429
 430                 new Ajax.Request("backend.php", {
 431                         parameters: query,
 432                         onComplete: function(transport) {
 433                                 article_callback2(transport, id);
 434                         } });
 435
 436                 return false;
 437
 438         } catch (e) {
 439                 exception_error("view", e);
 440         }
 441 }
 442
 443 function toggleMark(id, client_only) {
 444         try {
 445                 var query = "?op=rpc&id=" + id + "&method=mark";
 446
 447                 var row = $("RROW-" + id);
 448                 if (!row) return;
 449
 450                 var imgs = row.getElementsByClassName("markedPic");
 451
 452                 for (i = 0; i < imgs.length; i++) {
 453                         var img = imgs[i];
 454
 455                         if (!row.hasClassName("marked")) {
 456                                 img.src = img.src.replace("mark_unset", "mark_set");
 457                                 img.alt = __("Unstar article");
 458                                 query = query + "&mark=1";
 459                         } else {
 460                                 img.src = img.src.replace("mark_set", "mark_unset");
 461                                 img.alt = __("Star article");
 462                                 query = query + "&mark=0";
 463                         }
 464                 }
 465
 466                 row.toggleClassName("marked");
 467
 468                 if (!client_only) {
 469                         new Ajax.Request("backend.php", {
 470                                 parameters: query,
 471                                 onComplete: function(transport) {
 472                                         handle_rpc_json(transport);
 473                                 } });
 474                 }
 475
 476         } catch (e) {
 477                 exception_error("toggleMark", e);
 478         }
 479 }
 480
 481 function togglePub(id, client_only, no_effects, note) {
 482         try {
 483                 var query = "?op=rpc&id=" + id + "&method=publ";
 484
 485                 if (note != undefined) {
 486                         query = query + "&note=" + param_escape(note);
 487                 } else {
 488                         query = query + "&note=undefined";
 489                 }
 490
 491                 var row = $("RROW-" + id);
 492                 if (!row) return;
 493
 494                 var imgs = row.getElementsByClassName("pubPic");
 495
 496                 for (i = 0; i < imgs.length; i++) {
 497                         var img = imgs[i];
 498
 499                         if (!row.hasClassName("published") || note != undefined) {
 500                                 img.src = img.src.replace("pub_unset", "pub_set");
 501                                 img.alt = __("Unpublish article");
 502                                 query = query + "&pub=1";
 503                         } else {
 504                                 img.src = img.src.replace("pub_set", "pub_unset");
 505                                 img.alt = __("Publish article");
 506                                 query = query + "&pub=0";
 507                         }
 508                 }
 509
 510                 if (note != undefined)
 511                         row.addClassName("published");
 512                 else
 513                         row.toggleClassName("published");
 514
 515                 if (!client_only) {
 516                         new Ajax.Request("backend.php", {
 517                                 parameters: query,
 518                                 onComplete: function(transport) {
 519                                         handle_rpc_json(transport);
 520                                 } });
 521                 }
 522
 523         } catch (e) {
 524                 exception_error("togglePub", e);
 525         }
 526 }
 527
 528 function moveToPost(mode, noscroll, noexpand) {
 529
 530         try {
 531
 532                 var rows = getVisibleArticleIds();
 533
 534                 var prev_id = false;
 535                 var next_id = false;
 536
 537                 if (!$('RROW-' + getActiveArticleId())) {
 538                         setActiveArticleId(0);
 539                 }
 540
 541                 if (!getActiveArticleId()) {
 542                         next_id = rows[0];
 543                         prev_id = rows[rows.length-1]
 544                 } else {
 545                         for (var i = 0; i < rows.length; i++) {
 546                                 if (rows[i] == getActiveArticleId()) {
 547
 548                                         // Account for adjacent identical article ids.
 549                                         if (i > 0) prev_id = rows[i-1];
 550
 551                                         for (var j = i+1; j < rows.length; j++) {
 552                                                 if (rows[j] != getActiveArticleId()) {
 553                                                         next_id = rows[j];
 554                                                         break;
 555                                                 }
 556                                         }
 557                                         break;
 558                                 }
 559                         }
 560                 }
 561
 562                 if (mode == "next") {
 563                         if (next_id || getActiveArticleId()) {
 564                                 if (isCdmMode()) {
 565
 566                                         var article = $("RROW-" + getActiveArticleId());
 567                                         var ctr = $("headlines-frame");
 568
 569                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 570                                                         ctr.scrollTop + ctr.offsetHeight) {
 571
 572                                                 scrollArticle(ctr.offsetHeight/4);
 573
 574                                         } else if (next_id) {
 575                                                 cdmExpandArticle(next_id, noexpand);
 576                                                 cdmScrollToArticleId(next_id, true);
 577                                         }
 578
 579                                 } else if (next_id) {
 580                                         correctHeadlinesOffset(next_id);
 581                                         view(next_id, getActiveFeedId(), noexpand);
 582                                 }
 583                         }
 584                 }
 585
 586                 if (mode == "prev") {
 587                         if (prev_id || getActiveArticleId()) {
 588                                 if (isCdmMode()) {
 589
 590                                         var article = $("RROW-" + getActiveArticleId());
 591                                         var prev_article = $("RROW-" + prev_id);
 592                                         var ctr = $("headlines-frame");
 593
 594                                         if (!getInitParam("cdm_expanded")) {
 595
 596                                                 if (!noscroll && article.offsetTop < ctr.scrollTop) {
 597                                                         scrollArticle(-ctr.offsetHeight/4);
 598                                                 } else {
 599                                                         cdmExpandArticle(prev_id, noexpand);
 600                                                         cdmScrollToArticleId(prev_id, true);
 601                                                 }
 602                                         } else {
 603
 604                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 605                                                         scrollArticle(-ctr.offsetHeight/3);
 606                                                 } else if (!noscroll && prev_article &&
 607                                                                 prev_article.offsetTop < ctr.scrollTop) {
 608                                                         cdmExpandArticle(prev_id, noexpand);
 609                                                         scrollArticle(-ctr.offsetHeight/4);
 610                                                 } else if (prev_id) {
 611                                                         cdmExpandArticle(prev_id, noexpand);
 612                                                         cdmScrollToArticleId(prev_id, noscroll);
 613                                                 }
 614                                         }
 615
 616                                 } else if (prev_id) {
 617                                         correctHeadlinesOffset(prev_id);
 618                                         view(prev_id, getActiveFeedId(), noexpand);
 619                                 }
 620                         }
 621                 }
 622
 623         } catch (e) {
 624                 exception_error("moveToPost", e);
 625         }
 626 }
 627
 628 function toggleSelected(id, force_on) {
 629         try {
 630                 var row = $("RROW-" + id);
 631
 632                 if (row) {
 633                         var cb = dijit.getEnclosingWidget(
 634                                         row.getElementsByClassName("rchk")[0]);
 635
 636                         if (row.hasClassName('Selected') && !force_on) {
 637                                 row.removeClassName('Selected');
 638                                 if (cb) cb.attr("checked", false);
 639                         } else {
 640                                 row.addClassName('Selected');
 641                                 if (cb) cb.attr("checked", true);
 642                         }
 643                 }
 644
 645                 updateSelectedPrompt();
 646         } catch (e) {
 647                 exception_error("toggleSelected", e);
 648         }
 649 }
 650
 651 function updateSelectedPrompt() {
 652         try {
 653                 var count = getSelectedArticleIds2().size();
 654                 var elem = $("selected_prompt");
 655
 656                 if (elem) {
 657                         elem.innerHTML = ngettext("%d article selected",
 658                                         "%d articles selected", count).replace("%d", count);
 659
 660                         if (count > 0)
 661                                 Element.show(elem);
 662                         else
 663                                 Element.hide(elem);
 664                 }
 665
 666         } catch (e) {
 667                 exception_error("updateSelectedPrompt", e);
 668         }
 669 }
 670
 671 function toggleUnread_afh(effect) {
 672         try {
 673
 674                 var elem = effect.element;
 675                 elem.style.backgroundColor = "";
 676
 677         } catch (e) {
 678                 exception_error("toggleUnread_afh", e);
 679         }
 680 }
 681
 682 function toggleUnread(id, cmode, effect) {
 683         try {
 684
 685                 var row = $("RROW-" + id);
 686                 if (row) {
 687                         if (cmode == undefined || cmode == 2) {
 688                                 if (row.hasClassName("Unread")) {
 689                                         row.removeClassName("Unread");
 690
 691                                 } else {
 692                                         row.addClassName("Unread");
 693                                 }
 694
 695                         } else if (cmode == 0) {
 696
 697                                 row.removeClassName("Unread");
 698
 699                         } else if (cmode == 1) {
 700                                 row.addClassName("Unread");
 701                         }
 702
 703                         if (cmode == undefined) cmode = 2;
 704
 705                         var query = "?op=rpc&method=catchupSelected" +
 706                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 707
 708 //                      notify_progress("Loading, please wait...");
 709
 710                         new Ajax.Request("backend.php", {
 711                                 parameters: query,
 712                                 onComplete: function(transport) {
 713                                         handle_rpc_json(transport);
 714                                 } });
 715
 716                 }
 717
 718         } catch (e) {
 719                 exception_error("toggleUnread", e);
 720         }
 721 }
 722
 723 function selectionRemoveLabel(id, ids) {
 724         try {
 725
 726                 if (!ids) ids = getSelectedArticleIds2();
 727
 728                 if (ids.length == 0) {
 729                         alert(__("No articles are selected."));
 730                         return;
 731                 }
 732
 733                 var query = "?op=article&method=removeFromLabel&ids=" +
 734                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 735
 736                 console.log(query);
 737
 738                 new Ajax.Request("backend.php", {
 739                         parameters: query,
 740                         onComplete: function(transport) {
 741                                 handle_rpc_json(transport);
 742                                 show_labels_in_headlines(transport);
 743                         } });
 744
 745         } catch (e) {
 746                 exception_error("selectionAssignLabel", e);
 747
 748         }
 749 }
 750
 751 function selectionAssignLabel(id, ids) {
 752         try {
 753
 754                 if (!ids) ids = getSelectedArticleIds2();
 755
 756                 if (ids.length == 0) {
 757                         alert(__("No articles are selected."));
 758                         return;
 759                 }
 760
 761                 var query = "?op=article&method=assignToLabel&ids=" +
 762                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 763
 764                 console.log(query);
 765
 766                 new Ajax.Request("backend.php", {
 767                         parameters: query,
 768                         onComplete: function(transport) {
 769                                 handle_rpc_json(transport);
 770                                 show_labels_in_headlines(transport);
 771                         } });
 772
 773         } catch (e) {
 774                 exception_error("selectionAssignLabel", e);
 775
 776         }
 777 }
 778
 779 function selectionToggleUnread(set_state, callback, no_error, ids) {
 780         try {
 781                 var rows = ids ? ids : getSelectedArticleIds2();
 782
 783                 if (rows.length == 0 && !no_error) {
 784                         alert(__("No articles are selected."));
 785                         return;
 786                 }
 787
 788                 for (var i = 0; i < rows.length; i++) {
 789                         var row = $("RROW-" + rows[i]);
 790                         if (row) {
 791                                 if (set_state == undefined) {
 792                                         if (row.hasClassName("Unread")) {
 793                                                 row.removeClassName("Unread");
 794                                         } else {
 795                                                 row.addClassName("Unread");
 796                                         }
 797                                 }
 798
 799                                 if (set_state == false) {
 800                                         row.removeClassName("Unread");
 801                                 }
 802
 803                                 if (set_state == true) {
 804                                         row.addClassName("Unread");
 805                                 }
 806                         }
 807                 }
 808
 809                 if (rows.length > 0) {
 810
 811                         var cmode = "";
 812
 813                         if (set_state == undefined) {
 814                                 cmode = "2";
 815                         } else if (set_state == true) {
 816                                 cmode = "1";
 817                         } else if (set_state == false) {
 818                                 cmode = "0";
 819                         }
 820
 821                         var query = "?op=rpc&method=catchupSelected" +
 822                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 823
 824                         notify_progress("Loading, please wait...");
 825
 826                         new Ajax.Request("backend.php", {
 827                                 parameters: query,
 828                                 onComplete: function(transport) {
 829                                         handle_rpc_json(transport);
 830                                         if (callback) callback(transport);
 831                                 } });
 832
 833                 }
 834
 835         } catch (e) {
 836                 exception_error("selectionToggleUnread", e);
 837         }
 838 }
 839
 840 // sel_state ignored
 841 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 842         try {
 843
 844                 var rows = ids ? ids : getSelectedArticleIds2();
 845
 846                 if (rows.length == 0 && !no_error) {
 847                         alert(__("No articles are selected."));
 848                         return;
 849                 }
 850
 851                 for (var i = 0; i < rows.length; i++) {
 852                         toggleMark(rows[i], true, true);
 853                 }
 854
 855                 if (rows.length > 0) {
 856
 857                         var query = "?op=rpc&method=markSelected&ids=" +
 858                                 param_escape(rows.toString()) + "&cmode=2";
 859
 860                         new Ajax.Request("backend.php", {
 861                                 parameters: query,
 862                                 onComplete: function(transport) {
 863                                         handle_rpc_json(transport);
 864                                         if (callback) callback(transport);
 865                                 } });
 866
 867                 }
 868
 869         } catch (e) {
 870                 exception_error("selectionToggleMarked", e);
 871         }
 872 }
 873
 874 // sel_state ignored
 875 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 876         try {
 877
 878                 var rows = ids ? ids : getSelectedArticleIds2();
 879
 880                 if (rows.length == 0 && !no_error) {
 881                         alert(__("No articles are selected."));
 882                         return;
 883                 }
 884
 885                 for (var i = 0; i < rows.length; i++) {
 886                         togglePub(rows[i], true, true);
 887                 }
 888
 889                 if (rows.length > 0) {
 890
 891                         var query = "?op=rpc&method=publishSelected&ids=" +
 892                                 param_escape(rows.toString()) + "&cmode=2";
 893
 894                         new Ajax.Request("backend.php", {
 895                                 parameters: query,
 896                                 onComplete: function(transport) {
 897                                         handle_rpc_json(transport);
 898                                 } });
 899
 900                 }
 901
 902         } catch (e) {
 903                 exception_error("selectionToggleMarked", e);
 904         }
 905 }
 906
 907 function getSelectedArticleIds2() {
 908
 909         var rv = [];
 910
 911         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 912                 function(child) {
 913                         rv.push(child.id.replace("RROW-", ""));
 914                 });
 915
 916         return rv;
 917 }
 918
 919 function getLoadedArticleIds() {
 920         var rv = [];
 921
 922         var children = $$("#headlines-frame > div[id*=RROW-]");
 923
 924         children.each(function(child) {
 925                         rv.push(child.id.replace("RROW-", ""));
 926                 });
 927
 928         return rv;
 929
 930 }
 931
 932 // mode = all,none,unread,invert,marked,published
 933 function selectArticles(mode) {
 934         try {
 935
 936                 var children = $$("#headlines-frame > div[id*=RROW]");
 937
 938                 children.each(function(child) {
 939                         var id = child.id.replace("RROW-", "");
 940
 941                         var cb = dijit.getEnclosingWidget(
 942                                         child.getElementsByClassName("rchk")[0]);
 943
 944                         if (mode == "all") {
 945                                 child.addClassName("Selected");
 946                                 if (cb) cb.attr("checked", true);
 947                         } else if (mode == "unread") {
 948                                 if (child.hasClassName("Unread")) {
 949                                         child.addClassName("Selected");
 950                                         if (cb) cb.attr("checked", true);
 951                                 } else {
 952                                         child.removeClassName("Selected");
 953                                         if (cb) cb.attr("checked", false);
 954                                 }
 955                         } else if (mode == "marked") {
 956                                 if (child.hasClassName("marked")) {
 957                                         child.addClassName("Selected");
 958                                         if (cb) cb.attr("checked", true);
 959                                 } else {
 960                                         child.removeClassName("Selected");
 961                                         if (cb) cb.attr("checked", false);
 962                                 }
 963                         } else if (mode == "published") {
 964                                 if (child.hasClassName("published")) {
 965                                         child.addClassName("Selected");
 966                                         if (cb) cb.attr("checked", true);
 967                                 } else {
 968                                         child.removeClassName("Selected");
 969                                         if (cb) cb.attr("checked", false);
 970                                 }
 971
 972                         } else if (mode == "invert") {
 973                                 if (child.hasClassName("Selected")) {
 974                                         child.removeClassName("Selected");
 975                                         if (cb) cb.attr("checked", false);
 976                                 } else {
 977                                         child.addClassName("Selected");
 978                                         if (cb) cb.attr("checked", true);
 979                                 }
 980
 981                         } else {
 982                                 child.removeClassName("Selected");
 983                                 if (cb) cb.attr("checked", false);
 984                         }
 985                 });
 986
 987                 updateSelectedPrompt();
 988
 989         } catch (e) {
 990                 exception_error("selectArticles", e);
 991         }
 992 }
 993
 994 function deleteSelection() {
 995
 996         try {
 997
 998                 var rows = getSelectedArticleIds2();
 999
1000                 if (rows.length == 0) {
1001                         alert(__("No articles are selected."));
1002                         return;
1003                 }
1004
1005                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1006                 var str;
1007
1008                 if (getActiveFeedId() != 0) {
1009                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
1010                 } else {
1011                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
1012                 }
1013
1014                 str = str.replace("%d", rows.length);
1015                 str = str.replace("%s", fn);
1016
1017                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1018                         return;
1019                 }
1020
1021                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
1022
1023                 console.log(query);
1024
1025                 new Ajax.Request("backend.php", {
1026                         parameters: query,
1027                         onComplete: function(transport) {
1028                                         handle_rpc_json(transport);
1029                                         viewCurrentFeed();
1030                                 } });
1031
1032         } catch (e) {
1033                 exception_error("deleteSelection", e);
1034         }
1035 }
1036
1037 function archiveSelection() {
1038
1039         try {
1040
1041                 var rows = getSelectedArticleIds2();
1042
1043                 if (rows.length == 0) {
1044                         alert(__("No articles are selected."));
1045                         return;
1046                 }
1047
1048                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1049                 var str;
1050                 var op;
1051
1052                 if (getActiveFeedId() != 0) {
1053                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1054                         op = "archive";
1055                 } else {
1056                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1057
1058                         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
1059
1060                         op = "unarchive";
1061                 }
1062
1063                 str = str.replace("%d", rows.length);
1064                 str = str.replace("%s", fn);
1065
1066                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1067                         return;
1068                 }
1069
1070                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1071
1072                 console.log(query);
1073
1074                 for (var i = 0; i < rows.length; i++) {
1075                         cache_delete("article:" + rows[i]);
1076                 }
1077
1078                 new Ajax.Request("backend.php", {
1079                         parameters: query,
1080                         onComplete: function(transport) {
1081                                         handle_rpc_json(transport);
1082                                         viewCurrentFeed();
1083                                 } });
1084
1085         } catch (e) {
1086                 exception_error("archiveSelection", e);
1087         }
1088 }
1089
1090 function catchupSelection() {
1091
1092         try {
1093
1094                 var rows = getSelectedArticleIds2();
1095
1096                 if (rows.length == 0) {
1097                         alert(__("No articles are selected."));
1098                         return;
1099                 }
1100
1101                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1102
1103                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1104
1105                 str = str.replace("%d", rows.length);
1106                 str = str.replace("%s", fn);
1107
1108                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1109                         return;
1110                 }
1111
1112                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1113
1114         } catch (e) {
1115                 exception_error("catchupSelection", e);
1116         }
1117 }
1118
1119 function editArticleTags(id) {
1120                 var query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
1121
1122                 if (dijit.byId("editTagsDlg"))
1123                         dijit.byId("editTagsDlg").destroyRecursive();
1124
1125                 dialog = new dijit.Dialog({
1126                         id: "editTagsDlg",
1127                         title: __("Edit article Tags"),
1128                         style: "width: 600px",
1129                         execute: function() {
1130                                 if (this.validate()) {
1131                                         var query = dojo.objectToQuery(this.attr('value'));
1132
1133                                         notify_progress("Saving article tags...", true);
1134
1135                                         new Ajax.Request("backend.php", {
1136                                         parameters: query,
1137                                         onComplete: function(transport) {
1138                                                 try {
1139                                                         notify('');
1140                                                         dialog.hide();
1141
1142                                                         var data = JSON.parse(transport.responseText);
1143
1144                                                         if (data) {
1145                                                                 var id = data.id;
1146
1147                                                                 console.log(id);
1148
1149                                                                 var tags = $("ATSTR-" + id);
1150                                                                 var tooltip = dijit.byId("ATSTRTIP-" + id);
1151
1152                                                                 if (tags) tags.innerHTML = data.content;
1153                                                                 if (tooltip) tooltip.attr('label', data.content_full);
1154                                                         }
1155                                                 } catch (e) {
1156                                                         exception_error("editArticleTags/inner", e);
1157                                                 }
1158
1159                                         }});
1160                                 }
1161                         },
1162                         href: query,
1163                 });
1164
1165                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1166                 dojo.disconnect(tmph);
1167
1168                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1169                            "backend.php?op=article&method=completeTags",
1170                            { tokens: ',', paramName: "search" });
1171                 });
1172
1173                 dialog.show();
1174
1175 }
1176
1177 function cdmScrollToArticleId(id, force) {
1178         try {
1179                 var ctr = $("headlines-frame");
1180                 var e = $("RROW-" + id);
1181
1182                 if (!e || !ctr) return;
1183
1184                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1185                                 e.offsetTop < ctr.scrollTop) {
1186
1187                         // expanded cdm has a 4px margin now
1188                         ctr.scrollTop = parseInt(e.offsetTop) - 4;
1189                 }
1190
1191         } catch (e) {
1192                 exception_error("cdmScrollToArticleId", e);
1193         }
1194 }
1195
1196 function setActiveArticleId(id) {
1197         _active_article_id = id;
1198         PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
1199 }
1200
1201 function getActiveArticleId() {
1202         return _active_article_id;
1203 }
1204
1205 function postMouseIn(e, id) {
1206         post_under_pointer = id;
1207 }
1208
1209 function postMouseOut(id) {
1210         post_under_pointer = false;
1211 }
1212
1213 function unpackVisibleHeadlines() {
1214         try {
1215                 if (!isCdmMode()) return;
1216
1217                 $$("#headlines-frame > div[id*=RROW]").each(
1218                         function(child) {
1219                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1220                                         $("headlines-frame").offsetHeight) {
1221
1222                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1223
1224                                         if (cencw) {
1225                                                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED_CDM, child);
1226
1227                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1228                                                 cencw.setAttribute('id', '');
1229                                                 Element.show(cencw);
1230                                         }
1231                                 }
1232                         }
1233                 );
1234
1235         } catch (e) {
1236                 exception_error("unpackVisibleHeadlines", e);
1237         }
1238 }
1239
1240 function headlines_scroll_handler(e) {
1241         try {
1242                 var hsp = $("headlines-spacer");
1243
1244                 unpackVisibleHeadlines();
1245
1246                 if (!_infscroll_disable) {
1247                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1248                                         (e.scrollHeight != 0 &&
1249                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1250
1251                                 if (hsp)
1252                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1253                                                 __("Loading, please wait...");
1254
1255                                 loadMoreHeadlines();
1256                                 return;
1257
1258                         }
1259                 } else {
1260                         if (hsp) hsp.innerHTML = "";
1261                 }
1262
1263                 if (getInitParam("cdm_auto_catchup") == 1) {
1264
1265                         // let's get DOM some time to settle down
1266                         var ts = new Date().getTime();
1267                         if (ts - _last_headlines_update < 100) return;
1268
1269                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1270                                 function(child) {
1271                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1272                                                         (child.offsetTop + child.offsetHeight/2)) {
1273
1274                                                 var id = child.id.replace("RROW-", "");
1275
1276                                                 if (catchup_id_batch.indexOf(id) == -1)
1277                                                         catchup_id_batch.push(id);
1278
1279                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1280                                         }
1281                                 });
1282
1283                         if (catchup_id_batch.length > 0) {
1284                                 window.clearTimeout(catchup_timeout_id);
1285
1286                                 if (!_infscroll_request_sent) {
1287                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1288                                                 500);
1289                                 }
1290                         }
1291                 }
1292
1293         } catch (e) {
1294                 console.warn("headlines_scroll_handler: " + e);
1295         }
1296 }
1297
1298 function catchupBatchedArticles() {
1299         try {
1300                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1301
1302                         // make a copy of the array
1303                         var batch = catchup_id_batch.slice();
1304                         var query = "?op=rpc&method=catchupSelected" +
1305                                 "&cmode=0&ids=" + param_escape(batch.toString());
1306
1307                         console.log(query);
1308
1309                         new Ajax.Request("backend.php", {
1310                                 parameters: query,
1311                                 onComplete: function(transport) {
1312                                         handle_rpc_json(transport);
1313
1314                                         reply = JSON.parse(transport.responseText);
1315                                         var batch = reply.ids;
1316
1317                                         batch.each(function(id) {
1318                                                 console.log(id);
1319                                                 var elem = $("RROW-" + id);
1320                                                 if (elem) elem.removeClassName("Unread");
1321                                                 catchup_id_batch.remove(id);
1322                                         });
1323
1324                                 } });
1325                 }
1326
1327         } catch (e) {
1328                 exception_error("catchupBatchedArticles", e);
1329         }
1330 }
1331
1332 function catchupRelativeToArticle(below, id) {
1333
1334         try {
1335
1336                 if (!id) id = getActiveArticleId();
1337
1338                 if (!id) {
1339                         alert(__("No article is selected."));
1340                         return;
1341                 }
1342
1343                 var visible_ids = getVisibleArticleIds();
1344
1345                 var ids_to_mark = new Array();
1346
1347                 if (!below) {
1348                         for (var i = 0; i < visible_ids.length; i++) {
1349                                 if (visible_ids[i] != id) {
1350                                         var e = $("RROW-" + visible_ids[i]);
1351
1352                                         if (e && e.hasClassName("Unread")) {
1353                                                 ids_to_mark.push(visible_ids[i]);
1354                                         }
1355                                 } else {
1356                                         break;
1357                                 }
1358                         }
1359                 } else {
1360                         for (var i = visible_ids.length-1; i >= 0; i--) {
1361                                 if (visible_ids[i] != id) {
1362                                         var e = $("RROW-" + visible_ids[i]);
1363
1364                                         if (e && e.hasClassName("Unread")) {
1365                                                 ids_to_mark.push(visible_ids[i]);
1366                                         }
1367                                 } else {
1368                                         break;
1369                                 }
1370                         }
1371                 }
1372
1373                 if (ids_to_mark.length == 0) {
1374                         alert(__("No articles found to mark"));
1375                 } else {
1376                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1377
1378                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1379
1380                                 for (var i = 0; i < ids_to_mark.length; i++) {
1381                                         var e = $("RROW-" + ids_to_mark[i]);
1382                                         e.removeClassName("Unread");
1383                                 }
1384
1385                                 var query = "?op=rpc&method=catchupSelected" +
1386                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1387
1388                                 new Ajax.Request("backend.php", {
1389                                         parameters: query,
1390                                         onComplete: function(transport) {
1391                                                 handle_rpc_json(transport);
1392                                         } });
1393
1394                         }
1395                 }
1396
1397         } catch (e) {
1398                 exception_error("catchupRelativeToArticle", e);
1399         }
1400 }
1401
1402 function cdmCollapseArticle(event, id) {
1403         try {
1404                 var row = $("RROW-" + id);
1405                 var elem = $("CICD-" + id);
1406
1407                 if (elem && row) {
1408                         var collapse = $$("div#RROW-" + id +
1409                                 " span[class='collapseBtn']")[0];
1410
1411                         Element.hide(elem);
1412                         Element.show("CEXC-" + id);
1413                         Element.hide(collapse);
1414                         row.removeClassName("active");
1415
1416                         markHeadline(id, false);
1417
1418                         if (id == getActiveArticleId()) {
1419                                 setActiveArticleId(0);
1420                         }
1421
1422                         if (event) Event.stop(event);
1423                 }
1424
1425         } catch (e) {
1426                 exception_error("cdmCollapseArticle", e);
1427         }
1428 }
1429
1430 function cdmUnexpandArticle(event, id) {
1431         try {
1432                 var row = $("RROW-" + id);
1433                 var elem = $("CICD-" + id);
1434
1435                 if (elem && row) {
1436                         var collapse = $$("div#RROW-" + id +
1437                                 " span[class='collapseBtn']")[0];
1438
1439                         Element.hide(elem);
1440                         Element.show("CEXC-" + id);
1441                         Element.hide(collapse);
1442
1443                         if (event) Event.stop(event);
1444                 }
1445
1446         } catch (e) {
1447                 exception_error("cdmUnexpandArticle", e);
1448         }
1449 }
1450
1451 function cdmExpandArticle(id, noexpand) {
1452         try {
1453                 console.log("cdmExpandArticle " + id);
1454
1455                 if (!$("RROW-" + id)) return false;
1456
1457                 var oldrow = $("RROW-" + getActiveArticleId());
1458
1459                 var elem = $("CICD-" + getActiveArticleId());
1460
1461                 if (id == getActiveArticleId() && Element.visible(elem))
1462                         return true;
1463
1464                 selectArticles("none");
1465
1466                 var old_offset = $("RROW-" + id).offsetTop;
1467
1468                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1469                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1470                                 " span[class='collapseBtn']")[0];
1471
1472                         Element.hide(elem);
1473                         Element.show("CEXC-" + getActiveArticleId());
1474                         Element.hide(collapse);
1475                 }
1476
1477                 if (oldrow) oldrow.removeClassName("active");
1478
1479                 setActiveArticleId(id);
1480
1481                 elem = $("CICD-" + id);
1482
1483                 var collapse = $$("div#RROW-" + id +
1484                                 " span[class='collapseBtn']")[0];
1485
1486                 var cencw = $("CENCW-" + id);
1487
1488                 if (!Element.visible(elem) && !noexpand) {
1489                         if (cencw) {
1490                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1491                                 cencw.setAttribute('id', '');
1492                                 Element.show(cencw);
1493                         }
1494
1495                         Element.show(elem);
1496                         Element.hide("CEXC-" + id);
1497                         Element.show(collapse);
1498                 }
1499
1500                 var new_offset = $("RROW-" + id).offsetTop;
1501
1502                 if (old_offset > new_offset)
1503                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1504
1505                 if (!noexpand)
1506                         toggleUnread(id, 0, true);
1507                 toggleSelected(id);
1508                 $("RROW-" + id).addClassName("active");
1509
1510         } catch (e) {
1511                 exception_error("cdmExpandArticle", e);
1512         }
1513
1514         return false;
1515 }
1516
1517 function fixHeadlinesOrder(ids) {
1518         try {
1519                 for (var i = 0; i < ids.length; i++) {
1520                         var e = $("RROW-" + ids[i]);
1521
1522                         if (e) {
1523                                 if (i % 2 == 0) {
1524                                         e.removeClassName("even");
1525                                         e.addClassName("odd");
1526                                 } else {
1527                                         e.removeClassName("odd");
1528                                         e.addClassName("even");
1529                                 }
1530                         }
1531                 }
1532         } catch (e) {
1533                 exception_error("fixHeadlinesOrder", e);
1534         }
1535 }
1536
1537 function getArticleUnderPointer() {
1538         return post_under_pointer;
1539 }
1540
1541 function scrollArticle(offset) {
1542         try {
1543                 if (!isCdmMode()) {
1544                         var ci = $("content-insert");
1545                         if (ci) {
1546                                 ci.scrollTop += offset;
1547                         }
1548                 } else {
1549                         var hi = $("headlines-frame");
1550                         if (hi) {
1551                                 hi.scrollTop += offset;
1552                         }
1553
1554                 }
1555         } catch (e) {
1556                 exception_error("scrollArticle", e);
1557         }
1558 }
1559
1560 function show_labels_in_headlines(transport) {
1561         try {
1562                 var data = JSON.parse(transport.responseText);
1563
1564                 if (data) {
1565                         data['info-for-headlines'].each(function(elem) {
1566                                 var ctr = $("HLLCTR-" + elem.id);
1567
1568                                 if (ctr) ctr.innerHTML = elem.labels;
1569                         });
1570                 }
1571         } catch (e) {
1572                 exception_error("show_labels_in_headlines", e);
1573         }
1574 }
1575
1576 function dismissArticle(id) {
1577         try {
1578                 var elem = $("RROW-" + id);
1579
1580                 if (!elem) return;
1581
1582                 toggleUnread(id, 0, true);
1583
1584                 new Effect.Fade(elem, {duration : 0.5});
1585
1586                 if (id == getActiveArticleId()) {
1587                         setActiveArticleId(0);
1588                 }
1589
1590         } catch (e) {
1591                 exception_error("dismissArticle", e);
1592         }
1593 }
1594
1595 function dismissSelectedArticles() {
1596         try {
1597
1598                 var ids = getVisibleArticleIds();
1599                 var tmp = [];
1600                 var sel = [];
1601
1602                 for (var i = 0; i < ids.length; i++) {
1603                         var elem = $("RROW-" + ids[i]);
1604
1605                         if (elem.className && elem.hasClassName("Selected") &&
1606                                         ids[i] != getActiveArticleId()) {
1607                                 new Effect.Fade(elem, {duration : 0.5});
1608                                 sel.push(ids[i]);
1609                         } else {
1610                                 tmp.push(ids[i]);
1611                         }
1612                 }
1613
1614                 if (sel.length > 0)
1615                         selectionToggleUnread(false);
1616
1617                 fixHeadlinesOrder(tmp);
1618
1619         } catch (e) {
1620                 exception_error("dismissSelectedArticles", e);
1621         }
1622 }
1623
1624 function dismissReadArticles() {
1625         try {
1626
1627                 var ids = getVisibleArticleIds();
1628                 var tmp = [];
1629
1630                 for (var i = 0; i < ids.length; i++) {
1631                         var elem = $("RROW-" + ids[i]);
1632
1633                         if (elem.className && !elem.hasClassName("Unread") &&
1634                                         !elem.hasClassName("Selected")) {
1635
1636                                 new Effect.Fade(elem, {duration : 0.5});
1637                         } else {
1638                                 tmp.push(ids[i]);
1639                         }
1640                 }
1641
1642                 fixHeadlinesOrder(tmp);
1643
1644         } catch (e) {
1645                 exception_error("dismissSelectedArticles", e);
1646         }
1647 }
1648
1649 function getVisibleArticleIds() {
1650         var ids = [];
1651
1652         try {
1653
1654                 getLoadedArticleIds().each(function(id) {
1655                         var elem = $("RROW-" + id);
1656                         if (elem && Element.visible(elem))
1657                                 ids.push(id);
1658                         });
1659
1660         } catch (e) {
1661                 exception_error("getVisibleArticleIds", e);
1662         }
1663
1664         return ids;
1665 }
1666
1667 function cdmClicked(event, id) {
1668         try {
1669                 //var shift_key = event.shiftKey;
1670
1671                 if (!event.ctrlKey) {
1672
1673                         if (!getInitParam("cdm_expanded")) {
1674                                 return cdmExpandArticle(id);
1675                         } else {
1676
1677                                 var elem = $("RROW-" + getActiveArticleId());
1678
1679                                 if (elem) elem.removeClassName("active");
1680
1681                                 selectArticles("none");
1682                                 toggleSelected(id);
1683
1684                                 var elem = $("RROW-" + id);
1685                                 var article_is_unread = elem.hasClassName("Unread");
1686
1687                                 elem.removeClassName("Unread");
1688                                 elem.addClassName("active");
1689
1690                                 setActiveArticleId(id);
1691
1692                                 if (article_is_unread) {
1693                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1694                                 }
1695
1696                                 var query = "?op=rpc&method=catchupSelected" +
1697                                         "&cmode=0&ids=" + param_escape(id);
1698
1699                                 new Ajax.Request("backend.php", {
1700                                         parameters: query,
1701                                         onComplete: function(transport) {
1702                                                 handle_rpc_json(transport);
1703                                         } });
1704
1705                                 return !event.shiftKey;
1706                         }
1707
1708                 } else {
1709                         toggleSelected(id, true);
1710
1711                         var elem = $("RROW-" + id);
1712                         var article_is_unread = elem.hasClassName("Unread");
1713
1714                         if (article_is_unread) {
1715                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1716                         }
1717
1718                         toggleUnread(id, 0, false);
1719
1720                         openArticleInNewWindow(id);
1721                 }
1722
1723                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1724                 request_counters(unread_in_buffer == 0);
1725
1726         } catch (e) {
1727                 exception_error("cdmClicked");
1728         }
1729
1730         return false;
1731 }
1732
1733 function hlClicked(event, id) {
1734         try {
1735                 if (event.which == 2) {
1736                         view(id);
1737                         return true;
1738                 } else if (event.ctrlKey) {
1739                         toggleSelected(id, true);
1740                         toggleUnread(id, 0, false);
1741                         openArticleInNewWindow(id);
1742                         return false;
1743                 } else {
1744                         view(id);
1745                         return false;
1746                 }
1747
1748         } catch (e) {
1749                 exception_error("hlClicked");
1750         }
1751 }
1752
1753 function getFirstVisibleHeadlineId() {
1754         var rows = getVisibleArticleIds();
1755         return rows[0];
1756
1757 }
1758
1759 function getLastVisibleHeadlineId() {
1760         var rows = getVisibleArticleIds();
1761         return rows[rows.length-1];
1762 }
1763
1764 function openArticleInNewWindow(id) {
1765         toggleUnread(id, 0, false);
1766         window.open("backend.php?op=article&method=redirect&id=" + id);
1767 }
1768
1769 function isCdmMode() {
1770         return getInitParam("combined_display_mode");
1771 }
1772
1773 function markHeadline(id, marked) {
1774         if (marked == undefined) marked = true;
1775
1776         var row = $("RROW-" + id);
1777         if (row) {
1778                 var check = dijit.getEnclosingWidget(
1779                                 row.getElementsByClassName("rchk")[0]);
1780
1781                 if (check) {
1782                         check.attr("checked", marked);
1783                 }
1784
1785                 if (marked)
1786                         row.addClassName("Selected");
1787                 else
1788                         row.removeClassName("Selected");
1789         }
1790 }
1791
1792 function getRelativePostIds(id, limit) {
1793
1794         var tmp = [];
1795
1796         try {
1797
1798                 if (!limit) limit = 6; //3
1799
1800                 var ids = getVisibleArticleIds();
1801
1802                 for (var i = 0; i < ids.length; i++) {
1803                         if (ids[i] == id) {
1804                                 for (var k = 1; k <= limit; k++) {
1805                                         //if (i > k-1) tmp.push(ids[i-k]);
1806                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1807                                 }
1808                                 break;
1809                         }
1810                 }
1811
1812         } catch (e) {
1813                 exception_error("getRelativePostIds", e);
1814         }
1815
1816         return tmp;
1817 }
1818
1819 function correctHeadlinesOffset(id) {
1820
1821         try {
1822
1823                 var container = $("headlines-frame");
1824                 var row = $("RROW-" + id);
1825
1826                 if (!container || !row) return;
1827
1828                 var viewport = container.offsetHeight;
1829
1830                 var rel_offset_top = row.offsetTop - container.scrollTop;
1831                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1832
1833                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1834                 //console.log("Vport: " + viewport);
1835
1836                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1837                         container.scrollTop = row.offsetTop;
1838                 } else if (rel_offset_bottom > viewport) {
1839
1840                         /* doesn't properly work with Opera in some cases because
1841                                 Opera fucks up element scrolling */
1842
1843                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1844                 }
1845
1846         } catch (e) {
1847                 exception_error("correctHeadlinesOffset", e);
1848         }
1849
1850 }
1851
1852 function headlineActionsChange(elem) {
1853         try {
1854                 eval(elem.value);
1855                 elem.attr('value', 'false');
1856         } catch (e) {
1857                 exception_error("headlineActionsChange", e);
1858         }
1859 }
1860
1861 function closeArticlePanel() {
1862
1863         if (dijit.byId("content-insert"))
1864                 dijit.byId("headlines-wrap-inner").removeChild(
1865                         dijit.byId("content-insert"));
1866 }
1867
1868 function initHeadlinesMenu() {
1869         try {
1870                 if (dijit.byId("headlinesMenu"))
1871                         dijit.byId("headlinesMenu").destroyRecursive();
1872
1873                 var ids = [];
1874
1875                 if (!isCdmMode()) {
1876                         nodes = $$("#headlines-frame > div[id*=RROW]");
1877                 } else {
1878                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1879                 }
1880
1881                 nodes.each(function(node) {
1882                         ids.push(node.id);
1883                 });
1884
1885                 var menu = new dijit.Menu({
1886                         id: "headlinesMenu",
1887                         targetNodeIds: ids,
1888                 });
1889
1890                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1891                         var callerNode = event.target, match = null, tries = 0;
1892
1893                         while (match == null && callerNode && tries <= 3) {
1894                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1895                                 callerNode = callerNode.parentNode;
1896                                 ++tries;
1897                         }
1898
1899                         if (match) this.callerRowId = parseInt(match[1]);
1900
1901                 });
1902
1903 /*              if (!isCdmMode())
1904                         menu.addChild(new dijit.MenuItem({
1905                                 label: __("View article"),
1906                                 onClick: function(event) {
1907                                         view(this.getParent().callerRowId);
1908                                 }})); */
1909
1910                 menu.addChild(new dijit.MenuItem({
1911                         label: __("Open original article"),
1912                         onClick: function(event) {
1913                                 openArticleInNewWindow(this.getParent().callerRowId);
1914                         }}));
1915
1916                 menu.addChild(new dijit.MenuItem({
1917                         label: __("Display article URL"),
1918                         onClick: function(event) {
1919                                 displayArticleUrl(this.getParent().callerRowId);
1920                         }}));
1921
1922                 menu.addChild(new dijit.MenuSeparator());
1923
1924                 menu.addChild(new dijit.MenuItem({
1925                         label: __("Toggle unread"),
1926                         onClick: function(event) {
1927                                 var ids = getSelectedArticleIds2();
1928                                 // cast to string
1929                                 var id = this.getParent().callerRowId + "";
1930                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1931
1932                                 selectionToggleUnread(undefined, false, true, ids);
1933                                 }}));
1934
1935                 menu.addChild(new dijit.MenuItem({
1936                         label: __("Toggle marked"),
1937                         onClick: function(event) {
1938                                 var ids = getSelectedArticleIds2();
1939                                 // cast to string
1940                                 var id = this.getParent().callerRowId + "";
1941                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1942
1943                                 selectionToggleMarked(undefined, false, true, ids);
1944                                 }}));
1945
1946                 menu.addChild(new dijit.MenuItem({
1947                         label: __("Toggle published"),
1948                         onClick: function(event) {
1949                                 var ids = getSelectedArticleIds2();
1950                                 // cast to string
1951                                 var id = this.getParent().callerRowId + "";
1952                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1953
1954                                 selectionTogglePublished(undefined, false, true, ids);
1955                                 }}));
1956
1957                 menu.addChild(new dijit.MenuSeparator());
1958
1959                 menu.addChild(new dijit.MenuItem({
1960                         label: __("Mark above as read"),
1961                         onClick: function(event) {
1962                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1963                                 }}));
1964
1965                 menu.addChild(new dijit.MenuItem({
1966                         label: __("Mark below as read"),
1967                         onClick: function(event) {
1968                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1969                                 }}));
1970
1971
1972                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1973
1974                 if (labels) {
1975
1976                         menu.addChild(new dijit.MenuSeparator());
1977
1978                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1979                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1980
1981                         labels.each(function(label) {
1982                                 var id = label.id[0];
1983                                 var bare_id = id.substr(id.indexOf(":")+1);
1984                                 var name = label.name[0];
1985
1986                                 bare_id = feed_to_label_id(bare_id);
1987
1988                                 labelAddMenu.addChild(new dijit.MenuItem({
1989                                         label: name,
1990                                         labelId: bare_id,
1991                                         onClick: function(event) {
1992                                                 var ids = getSelectedArticleIds2();
1993                                                 // cast to string
1994                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1995
1996                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1997
1998                                                 selectionAssignLabel(this.labelId, ids);
1999                                 }}));
2000
2001                                 labelDelMenu.addChild(new dijit.MenuItem({
2002                                         label: name,
2003                                         labelId: bare_id,
2004                                         onClick: function(event) {
2005                                                 var ids = getSelectedArticleIds2();
2006                                                 // cast to string
2007                                                 var id = this.getParent().ownerMenu.callerRowId + "";
2008
2009                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2010
2011                                                 selectionRemoveLabel(this.labelId, ids);
2012                                 }}));
2013
2014                         });
2015
2016                         menu.addChild(new dijit.PopupMenuItem({
2017                                 label: __("Assign label"),
2018                                 popup: labelAddMenu,
2019                         }));
2020
2021                         menu.addChild(new dijit.PopupMenuItem({
2022                                 label: __("Remove label"),
2023                                 popup: labelDelMenu,
2024                         }));
2025
2026                 }
2027
2028                 menu.startup();
2029
2030         } catch (e) {
2031                 exception_error("initHeadlinesMenu", e);
2032         }
2033 }
2034
2035 function cache_set(id, obj) {
2036         //console.log("cache_set: " + id);
2037         if (has_storage)
2038                 try {
2039                         sessionStorage[id] = obj;
2040                 } catch (e) {
2041                         sessionStorage.clear();
2042                 }
2043 }
2044
2045 function cache_get(id) {
2046         if (has_storage)
2047                 return sessionStorage[id];
2048 }
2049
2050 function cache_clear() {
2051         if (has_storage)
2052                 sessionStorage.clear();
2053 }
2054
2055 function cache_delete(id) {
2056         if (has_storage)
2057                 sessionStorage.removeItem(id);
2058 }
2059
2060 function cancelSearch() {
2061         try {
2062                 _search_query = "";
2063                 viewCurrentFeed();
2064         } catch (e) {
2065                 exception_error("cancelSearch", e);
2066         }
2067 }
2068
2069 function setSelectionScore() {
2070         try {
2071                 var ids = getSelectedArticleIds2();
2072
2073                 if (ids.length > 0) {
2074                         console.log(ids);
2075
2076                         var score = prompt(__("Please enter new score for selected articles:"), score);
2077
2078                         if (score != undefined) {
2079                                 var query = "op=article&method=setScore&id=" + param_escape(ids.toString()) +
2080                                         "&score=" + param_escape(score);
2081
2082                                 new Ajax.Request("backend.php", {
2083                                         parameters: query,
2084                                         onComplete: function(transport) {
2085                                                 var reply = JSON.parse(transport.responseText);
2086                                                 if (reply) {
2087                                                         console.log(ids);
2088
2089                                                         ids.each(function(id) {
2090                                                                 var row = $("RROW-" + id);
2091
2092                                                                 if (row) {
2093                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2094
2095                                                                         if (pic) {
2096                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2097                                                                                         reply["score_pic"]);
2098                                                                                 pic.setAttribute("score", score);
2099                                                                         }
2100                                                                 }
2101                                                         });
2102                                                 }
2103                                         } });
2104                         }
2105
2106                 } else {
2107                         alert(__("No articles are selected."));
2108                 }
2109         } catch (e) {
2110                 exception_error("setSelectionScore", e);
2111         }
2112 }
2113
2114 function changeScore(id, pic) {
2115         try {
2116                 var score = pic.getAttribute("score");
2117
2118                 var new_score = prompt(__("Please enter new score for this article:"), score);
2119
2120                 if (new_score != undefined) {
2121
2122                         var query = "op=article&method=setScore&id=" + param_escape(id) +
2123                                 "&score=" + param_escape(new_score);
2124
2125                         new Ajax.Request("backend.php", {
2126                                 parameters: query,
2127                                 onComplete: function(transport) {
2128                                         var reply = JSON.parse(transport.responseText);
2129
2130                                         if (reply) {
2131                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2132                                                 pic.setAttribute("score", new_score);
2133                                         }
2134                                 } });
2135                 }
2136         } catch (e) {
2137                 exception_error("changeScore", e);
2138         }
2139 }
2140
2141 function displayArticleUrl(id) {
2142         try {
2143                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2144
2145                         new Ajax.Request("backend.php", {
2146                                 parameters: query,
2147                                 onComplete: function(transport) {
2148                                         var reply = JSON.parse(transport.responseText);
2149
2150                                         if (reply && reply.link) {
2151                                                 prompt(__("Article URL:"), reply.link);
2152                                         }
2153                                 } });
2154         } catch (e) {
2155                 exception_error("changeScore", e);
2156         }
2157 }
2158
2159 function openSelectedAttachment(elem) {
2160         try {
2161                 var url = elem[elem.selectedIndex].value;
2162
2163                 if (url) {
2164                         window.open(url);
2165                         elem.selectedIndex = 0;
2166                 }
2167
2168         } catch (e) {
2169                 exception_error("openSelectedAttachment", e);
2170         }
2171 }