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                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  24
  25                 var is_cat = false;
  26                 var feed_id = false;
  27
  28                 var reply = false;
  29
  30                 try {
  31                         reply = JSON.parse(transport.responseText);
  32                 } catch (e) {
  33                         console.error(e);
  34                 }
  35
  36                 if (reply) {
  37
  38                         is_cat = reply['headlines']['is_cat'];
  39                         feed_id = reply['headlines']['id'];
  40
  41                         if (background) {
  42                                 var content = reply['headlines']['content'];
  43
  44                                 content = content + "<div id='headlines-spacer'></div>";
  45                                 return;
  46                         }
  47
  48                         if (feed_id != getActiveFeedId() || is_cat != activeFeedIsCat())
  49                                 return;
  50
  51                         /* dijit.getEnclosingWidget(
  52                                 document.forms["main_toolbar_form"].update).attr('disabled',
  53                                         is_cat || feed_id <= 0); */
  54
  55                         try {
  56                                 if (infscroll_req == false) {
  57                                         $("headlines-frame").scrollTop = 0;
  58                                 }
  59                         } catch (e) { };
  60
  61                         $("headlines-frame").removeClassName("cdm");
  62                         $("headlines-frame").removeClassName("normal");
  63
  64                         $("headlines-frame").addClassName(isCdmMode() ? "cdm" : "normal");
  65
  66                         var headlines_count = reply['headlines-info']['count'];
  67
  68                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  69
  70                         if (parseInt(headlines_count) < 30) {
  71                                 _infscroll_disable = 1;
  72                         } else {
  73                                 _infscroll_disable = 0;
  74                         }
  75
  76                         var counters = reply['counters'];
  77                         var articles = reply['articles'];
  78                         //var runtime_info = reply['runtime-info'];
  79
  80                         if (infscroll_req == false) {
  81                                 loaded_article_ids = [];
  82
  83                                 dijit.byId("headlines-frame").attr('content',
  84                                         reply['headlines']['content']);
  85
  86                                 dijit.byId("headlines-toolbar").attr('content',
  87                                         reply['headlines']['toolbar']);
  88
  89                                 $$("#headlines-frame > div[id*=RROW]").each(function(row) {
  90                                         if (loaded_article_ids.indexOf(row.id) != -1) {
  91                                                 row.parentNode.removeChild(row);
  92                                         } else {
  93                                                 loaded_article_ids.push(row.id);
  94                                         }
  95                                 });
  96
  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                                 initHeadlinesMenu();
 102
 103                                 if (_search_query) {
 104                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 105                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 106                                                 "</span>";
 107                                 }
 108
 109                         } else {
 110
 111                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 112                                         console.log("adding some more headlines: " + headlines_count);
 113
 114                                         var c = dijit.byId("headlines-frame");
 115                                         var ids = getSelectedArticleIds2();
 116                                         var new_elems = [];
 117
 118                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 119
 120                                         var hsp = $("headlines-spacer");
 121
 122                                         if (hsp)
 123                                                 c.domNode.removeChild(hsp);
 124
 125                                         $$("#headlines-tmp > div").each(function(row) {
 126                                                 if (row.className == 'cdmFeedTitle') {
 127                                                         row.style.display = 'none';
 128                                                         c.domNode.appendChild(row);
 129                                                         new_elems.push(row);
 130                                                 } else if (loaded_article_ids.indexOf(row.id) == -1) {
 131                                                         row.style.display = 'none';
 132                                                         c.domNode.appendChild(row);
 133                                                         new_elems.push(row);
 134                                                         loaded_article_ids.push(row.id);
 135                                                 } else {
 136                                                         row.parentNode.removeChild(row);
 137                                                 }
 138                                         });
 139
 140                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 141
 142                                         if (getInitParam("cdm_auto_catchup") == 1) {
 143                                                 c.domNode.appendChild(hsp);
 144                                         }
 145
 146                                         console.log("added " + new_elems.size() + " headlines");
 147
 148                                         if (new_elems.size() == 0)
 149                                                 _infscroll_disable = true;
 150
 151                                         console.log("restore selected ids: " + ids);
 152
 153                                         for (var i = 0; i < ids.length; i++) {
 154                                                 markHeadline(ids[i]);
 155                                         }
 156
 157                                         initHeadlinesMenu();
 158
 159                                         new_elems.each(function(child) {
 160                                                 dojo.parser.parse(child);
 161
 162                                                 if (!Element.visible(child))
 163                                                         new Effect.Appear(child, { duration : 0.5 });
 164                                         });
 165
 166                                 } else {
 167                                         console.log("no new headlines received");
 168
 169                                         var hsp = $("headlines-spacer");
 170
 171                                         if (hsp) hsp.innerHTML = "";
 172                                 }
 173                         }
 174
 175                         if (articles) {
 176                                 for (var i = 0; i < articles.length; i++) {
 177                                         var a_id = articles[i]['id'];
 178                                         cache_set("article:" + a_id, articles[i]['content']);
 179                                 }
 180                         } else {
 181                                 console.log("no cached articles received");
 182                         }
 183
 184                         if (counters)
 185                                 parse_counters(counters);
 186                         else
 187                                 request_counters(true);
 188
 189                 } else if (transport.responseText) {
 190                         console.error("Invalid object received: " + transport.responseText);
 191                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 192                                         __('Could not update headlines (invalid object received - see error console for details)') +
 193                                         "</div>");
 194                 } else {
 195                         //notify_error("Error communicating with server.");
 196                         Element.show(dijit.byId("net-alert").domNode);
 197                 }
 198
 199                 _infscroll_request_sent = 0;
 200                 _last_headlines_update = new Date().getTime();
 201
 202                 unpackVisibleHeadlines();
 203
 204                 // if we have some more space in the buffer, why not try to fill it
 205
 206                 if (!_infscroll_disable && $("headlines-spacer") &&
 207                                 $("headlines-spacer").offsetTop < $("headlines-frame").offsetHeight) {
 208
 209                         window.setTimeout(function() {
 210                                 loadMoreHeadlines();
 211                         }, 250);
 212                 }
 213
 214                 notify("");
 215
 216         } catch (e) {
 217                 exception_error("headlines_callback2", e, transport);
 218         }
 219 }
 220
 221 function render_article(article) {
 222         try {
 223                 dijit.byId("headlines-wrap-inner").addChild(
 224                                 dijit.byId("content-insert"));
 225
 226                 var c = dijit.byId("content-insert");
 227
 228                 try {
 229                         c.domNode.scrollTop = 0;
 230                 } catch (e) { };
 231
 232                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED, article);
 233
 234                 c.attr('content', article);
 235
 236                 correctHeadlinesOffset(getActiveArticleId());
 237
 238                 try {
 239                         c.focus();
 240                 } catch (e) { };
 241
 242         } catch (e) {
 243                 exception_error("render_article", e);
 244         }
 245 }
 246
 247 function showArticleInHeadlines(id, noexpand) {
 248
 249         try {
 250                 selectArticles("none");
 251
 252                 var crow = $("RROW-" + id);
 253
 254                 if (!crow) return;
 255
 256                 var article_is_unread = crow.hasClassName("Unread");
 257
 258                 if (!noexpand)
 259                         crow.removeClassName("Unread");
 260                 crow.addClassName("active");
 261
 262                 selectArticles('none');
 263
 264                 var view_mode = false;
 265
 266                 try {
 267                         view_mode = document.forms['main_toolbar_form'].view_mode;
 268                         view_mode = view_mode[view_mode.selectedIndex].value;
 269                 } catch (e) {
 270                         //
 271                 }
 272
 273                 markHeadline(id);
 274
 275                 if (article_is_unread && !noexpand)
 276                         _force_scheduled_update = true;
 277
 278         } catch (e) {
 279                 exception_error("showArticleInHeadlines", e);
 280         }
 281 }
 282
 283 function article_callback2(transport, id) {
 284         try {
 285                 console.log("article_callback2 " + id);
 286
 287                 handle_rpc_json(transport);
 288
 289                 var reply = false;
 290
 291                 try {
 292                         reply = JSON.parse(transport.responseText);
 293                 } catch (e) {
 294                         console.error(e);
 295                 }
 296
 297                 if (reply) {
 298
 299                         reply.each(function(article) {
 300                                 if (getActiveArticleId() == article['id']) {
 301                                         render_article(article['content']);
 302                                 }
 303                                 cids_requested.remove(article['id']);
 304
 305                                 cache_set("article:" + article['id'], article['content']);
 306                         });
 307
 308 //                      if (id != last_requested_article) {
 309 //                              console.log("requested article id is out of sequence, aborting");
 310 //                              return;
 311 //                      }
 312
 313                 } else if (transport.responseText) {
 314                         console.error("Invalid object received: " + transport.responseText);
 315
 316                         render_article("<div class='whiteBox'>" +
 317                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 318                 } else {
 319                         Element.show(dijit.byId("net-alert").domNode);
 320                 }
 321
 322                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 323                 request_counters(unread_in_buffer == 0);
 324
 325                 //headlines_scroll_handler($("headlines-frame"));
 326
 327 /*              try {
 328                         if (!_infscroll_disable &&
 329                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 330
 331                                 loadMoreHeadlines();
 332                         }
 333                 } catch (e) {
 334                         console.warn(e);
 335                 } */
 336
 337                 notify("");
 338         } catch (e) {
 339                 exception_error("article_callback2", e, transport);
 340         }
 341 }
 342
 343 function view(id, activefeed, noexpand) {
 344         try {
 345                 var oldrow = $("RROW-" + getActiveArticleId());
 346                 if (oldrow) oldrow.removeClassName("active");
 347
 348                 var crow = $("RROW-" + id);
 349
 350                 if (!crow) return;
 351                 if (noexpand) {
 352                         setActiveArticleId(id);
 353                         showArticleInHeadlines(id, noexpand);
 354                         return;
 355                 }
 356
 357                 console.log("loading article: " + id);
 358
 359                 var cached_article = cache_get("article:" + id);
 360
 361                 console.log("cache check result: " + (cached_article != false));
 362
 363                 var query = "?op=article&method=view&id=" + param_escape(id);
 364
 365                 var neighbor_ids = getRelativePostIds(id);
 366
 367                 /* only request uncached articles */
 368
 369                 var cids_to_request = [];
 370
 371                 for (var i = 0; i < neighbor_ids.length; i++) {
 372                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 373                                 if (!cache_get("article:" + neighbor_ids[i])) {
 374                                         cids_to_request.push(neighbor_ids[i]);
 375                                         cids_requested.push(neighbor_ids[i]);
 376                                 }
 377                 }
 378
 379                 console.log("additional ids: " + cids_to_request.toString());
 380
 381                 query = query + "&cids=" + cids_to_request.toString();
 382
 383                 var article_is_unread = crow.hasClassName("Unread");
 384
 385                 setActiveArticleId(id);
 386                 showArticleInHeadlines(id);
 387
 388                 if (cached_article && article_is_unread) {
 389
 390                         query = query + "&mode=prefetch";
 391
 392                         render_article(cached_article);
 393
 394                 } else if (cached_article) {
 395
 396                         query = query + "&mode=prefetch_old";
 397                         render_article(cached_article);
 398
 399                         // if we don't need to request any relative ids, we might as well skip
 400                         // the server roundtrip altogether
 401                         if (cids_to_request.length == 0) {
 402
 403 /*                              try {
 404                                         if (!_infscroll_disable &&
 405                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 406
 407                                                         loadMoreHeadlines();
 408                                         }
 409                                 } catch (e) {
 410                                         console.warn(e);
 411                                 } */
 412
 413                                 //headlines_scroll_handler($("headlines-frame"));
 414
 415                                 return;
 416                         }
 417                 }
 418
 419                 last_requested_article = id;
 420
 421                 console.log(query);
 422
 423                 if (article_is_unread) {
 424                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 425                 }
 426
 427                 new Ajax.Request("backend.php", {
 428                         parameters: query,
 429                         onComplete: function(transport) {
 430                                 article_callback2(transport, id);
 431                         } });
 432
 433                 return false;
 434
 435         } catch (e) {
 436                 exception_error("view", e);
 437         }
 438 }
 439
 440 function toggleMark(id, client_only) {
 441         try {
 442                 var query = "?op=rpc&id=" + id + "&method=mark";
 443
 444                 var row = $("RROW-" + id);
 445                 if (!row) return;
 446
 447                 var imgs = [];
 448
 449                 var row_imgs = row.getElementsByClassName("markedPic");
 450
 451                 for (var i = 0; i < row_imgs.length; i++)
 452                         imgs.push(row_imgs[i]);
 453
 454                 var ft = $("floatingTitle");
 455
 456                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 457                         var fte = ft.getElementsByClassName("markedPic");
 458
 459                         for (var i = 0; i < fte.length; i++)
 460                                 imgs.push(fte[i]);
 461                 }
 462
 463                 for (i = 0; i < imgs.length; i++) {
 464                         var img = imgs[i];
 465
 466                         if (!row.hasClassName("marked")) {
 467                                 img.src = img.src.replace("mark_unset", "mark_set");
 468                                 img.alt = __("Unstar article");
 469                                 query = query + "&mark=1";
 470                         } else {
 471                                 img.src = img.src.replace("mark_set", "mark_unset");
 472                                 img.alt = __("Star article");
 473                                 query = query + "&mark=0";
 474                         }
 475                 }
 476
 477                 row.toggleClassName("marked");
 478
 479                 if (!client_only) {
 480                         new Ajax.Request("backend.php", {
 481                                 parameters: query,
 482                                 onComplete: function(transport) {
 483                                         handle_rpc_json(transport);
 484                                 } });
 485                 }
 486
 487         } catch (e) {
 488                 exception_error("toggleMark", e);
 489         }
 490 }
 491
 492 function togglePub(id, client_only, no_effects, note) {
 493         try {
 494                 var query = "?op=rpc&id=" + id + "&method=publ";
 495
 496                 if (note != undefined) {
 497                         query = query + "&note=" + param_escape(note);
 498                 } else {
 499                         query = query + "&note=undefined";
 500                 }
 501
 502                 var row = $("RROW-" + id);
 503                 if (!row) return;
 504
 505                 var imgs = [];
 506
 507                 var row_imgs = row.getElementsByClassName("pubPic");
 508
 509                 for (var i = 0; i < row_imgs.length; i++)
 510                         imgs.push(row_imgs[i]);
 511
 512                 var ft = $("floatingTitle");
 513
 514                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 515                         var fte = ft.getElementsByClassName("pubPic");
 516
 517                         for (var i = 0; i < fte.length; i++)
 518                                 imgs.push(fte[i]);
 519                 }
 520
 521                 for (i = 0; i < imgs.length; i++) {
 522                         var img = imgs[i];
 523
 524                         if (!row.hasClassName("published") || note != undefined) {
 525                                 img.src = img.src.replace("pub_unset", "pub_set");
 526                                 img.alt = __("Unpublish article");
 527                                 query = query + "&pub=1";
 528                         } else {
 529                                 img.src = img.src.replace("pub_set", "pub_unset");
 530                                 img.alt = __("Publish article");
 531                                 query = query + "&pub=0";
 532                         }
 533                 }
 534
 535                 if (note != undefined)
 536                         row.addClassName("published");
 537                 else
 538                         row.toggleClassName("published");
 539
 540                 if (!client_only) {
 541                         new Ajax.Request("backend.php", {
 542                                 parameters: query,
 543                                 onComplete: function(transport) {
 544                                         handle_rpc_json(transport);
 545                                 } });
 546                 }
 547
 548         } catch (e) {
 549                 exception_error("togglePub", e);
 550         }
 551 }
 552
 553 function moveToPost(mode, noscroll, noexpand) {
 554
 555         try {
 556
 557                 var rows = getVisibleArticleIds();
 558
 559                 var prev_id = false;
 560                 var next_id = false;
 561
 562                 if (!$('RROW-' + getActiveArticleId())) {
 563                         setActiveArticleId(0);
 564                 }
 565
 566                 if (!getActiveArticleId()) {
 567                         next_id = rows[0];
 568                         prev_id = rows[rows.length-1]
 569                 } else {
 570                         for (var i = 0; i < rows.length; i++) {
 571                                 if (rows[i] == getActiveArticleId()) {
 572
 573                                         // Account for adjacent identical article ids.
 574                                         if (i > 0) prev_id = rows[i-1];
 575
 576                                         for (var j = i+1; j < rows.length; j++) {
 577                                                 if (rows[j] != getActiveArticleId()) {
 578                                                         next_id = rows[j];
 579                                                         break;
 580                                                 }
 581                                         }
 582                                         break;
 583                                 }
 584                         }
 585                 }
 586
 587                 if (mode == "next") {
 588                         if (next_id || getActiveArticleId()) {
 589                                 if (isCdmMode()) {
 590
 591                                         var article = $("RROW-" + getActiveArticleId());
 592                                         var ctr = $("headlines-frame");
 593
 594                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 595                                                         ctr.scrollTop + ctr.offsetHeight) {
 596
 597                                                 scrollArticle(ctr.offsetHeight/4);
 598
 599                                         } else if (next_id) {
 600                                                 cdmExpandArticle(next_id, noexpand);
 601                                                 cdmScrollToArticleId(next_id, true);
 602                                         }
 603
 604                                 } else if (next_id) {
 605                                         correctHeadlinesOffset(next_id);
 606                                         view(next_id, getActiveFeedId(), noexpand);
 607                                 }
 608                         }
 609                 }
 610
 611                 if (mode == "prev") {
 612                         if (prev_id || getActiveArticleId()) {
 613                                 if (isCdmMode()) {
 614
 615                                         var article = $("RROW-" + getActiveArticleId());
 616                                         var prev_article = $("RROW-" + prev_id);
 617                                         var ctr = $("headlines-frame");
 618
 619                                         if (!getInitParam("cdm_expanded")) {
 620
 621                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 622                                                         scrollArticle(-ctr.offsetHeight/4);
 623                                                 } else {
 624                                                         cdmExpandArticle(prev_id, noexpand);
 625                                                         cdmScrollToArticleId(prev_id, true);
 626                                                 }
 627                                         } else {
 628
 629                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 630                                                         scrollArticle(-ctr.offsetHeight/3);
 631                                                 } else if (!noscroll && prev_article &&
 632                                                                 prev_article.offsetTop < ctr.scrollTop) {
 633                                                         cdmExpandArticle(prev_id, noexpand);
 634                                                         scrollArticle(-ctr.offsetHeight/4);
 635                                                 } else if (prev_id) {
 636                                                         cdmExpandArticle(prev_id, noexpand);
 637                                                         cdmScrollToArticleId(prev_id, noscroll);
 638                                                 }
 639                                         }
 640
 641                                 } else if (prev_id) {
 642                                         correctHeadlinesOffset(prev_id);
 643                                         view(prev_id, getActiveFeedId(), noexpand);
 644                                 }
 645                         }
 646                 }
 647
 648         } catch (e) {
 649                 exception_error("moveToPost", e);
 650         }
 651 }
 652
 653 function toggleSelected(id, force_on) {
 654         try {
 655                 var row = $("RROW-" + id);
 656
 657                 if (row) {
 658                         var cb = dijit.getEnclosingWidget(
 659                                         row.getElementsByClassName("rchk")[0]);
 660
 661                         if (row.hasClassName('Selected') && !force_on) {
 662                                 row.removeClassName('Selected');
 663                                 if (cb) cb.attr("checked", false);
 664                         } else {
 665                                 row.addClassName('Selected');
 666                                 if (cb) cb.attr("checked", true);
 667                         }
 668                 }
 669
 670                 updateSelectedPrompt();
 671         } catch (e) {
 672                 exception_error("toggleSelected", e);
 673         }
 674 }
 675
 676 function updateSelectedPrompt() {
 677         try {
 678                 var count = getSelectedArticleIds2().size();
 679                 var elem = $("selected_prompt");
 680
 681                 if (elem) {
 682                         elem.innerHTML = ngettext("%d article selected",
 683                                         "%d articles selected", count).replace("%d", count);
 684
 685                         if (count > 0)
 686                                 Element.show(elem);
 687                         else
 688                                 Element.hide(elem);
 689                 }
 690
 691         } catch (e) {
 692                 exception_error("updateSelectedPrompt", e);
 693         }
 694 }
 695
 696 function toggleUnread_afh(effect) {
 697         try {
 698
 699                 var elem = effect.element;
 700                 elem.style.backgroundColor = "";
 701
 702         } catch (e) {
 703                 exception_error("toggleUnread_afh", e);
 704         }
 705 }
 706
 707 function toggleUnread(id, cmode, effect) {
 708         try {
 709
 710                 var row = $("RROW-" + id);
 711                 if (row) {
 712                         if (cmode == undefined || cmode == 2) {
 713                                 if (row.hasClassName("Unread")) {
 714                                         row.removeClassName("Unread");
 715
 716                                 } else {
 717                                         row.addClassName("Unread");
 718                                 }
 719
 720                         } else if (cmode == 0) {
 721
 722                                 row.removeClassName("Unread");
 723
 724                         } else if (cmode == 1) {
 725                                 row.addClassName("Unread");
 726                         }
 727
 728                         if (cmode == undefined) cmode = 2;
 729
 730                         var query = "?op=rpc&method=catchupSelected" +
 731                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 732
 733 //                      notify_progress("Loading, please wait...");
 734
 735                         new Ajax.Request("backend.php", {
 736                                 parameters: query,
 737                                 onComplete: function(transport) {
 738                                         handle_rpc_json(transport);
 739                                 } });
 740
 741                 }
 742
 743         } catch (e) {
 744                 exception_error("toggleUnread", e);
 745         }
 746 }
 747
 748 function selectionRemoveLabel(id, ids) {
 749         try {
 750
 751                 if (!ids) ids = getSelectedArticleIds2();
 752
 753                 if (ids.length == 0) {
 754                         alert(__("No articles are selected."));
 755                         return;
 756                 }
 757
 758                 var query = "?op=article&method=removeFromLabel&ids=" +
 759                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 760
 761                 console.log(query);
 762
 763                 new Ajax.Request("backend.php", {
 764                         parameters: query,
 765                         onComplete: function(transport) {
 766                                 handle_rpc_json(transport);
 767                                 show_labels_in_headlines(transport);
 768                         } });
 769
 770         } catch (e) {
 771                 exception_error("selectionAssignLabel", e);
 772
 773         }
 774 }
 775
 776 function selectionAssignLabel(id, ids) {
 777         try {
 778
 779                 if (!ids) ids = getSelectedArticleIds2();
 780
 781                 if (ids.length == 0) {
 782                         alert(__("No articles are selected."));
 783                         return;
 784                 }
 785
 786                 var query = "?op=article&method=assignToLabel&ids=" +
 787                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 788
 789                 console.log(query);
 790
 791                 new Ajax.Request("backend.php", {
 792                         parameters: query,
 793                         onComplete: function(transport) {
 794                                 handle_rpc_json(transport);
 795                                 show_labels_in_headlines(transport);
 796                         } });
 797
 798         } catch (e) {
 799                 exception_error("selectionAssignLabel", e);
 800
 801         }
 802 }
 803
 804 function selectionToggleUnread(set_state, callback, no_error, ids) {
 805         try {
 806                 var rows = ids ? ids : getSelectedArticleIds2();
 807
 808                 if (rows.length == 0 && !no_error) {
 809                         alert(__("No articles are selected."));
 810                         return;
 811                 }
 812
 813                 for (var i = 0; i < rows.length; i++) {
 814                         var row = $("RROW-" + rows[i]);
 815                         if (row) {
 816                                 if (set_state == undefined) {
 817                                         if (row.hasClassName("Unread")) {
 818                                                 row.removeClassName("Unread");
 819                                         } else {
 820                                                 row.addClassName("Unread");
 821                                         }
 822                                 }
 823
 824                                 if (set_state == false) {
 825                                         row.removeClassName("Unread");
 826                                 }
 827
 828                                 if (set_state == true) {
 829                                         row.addClassName("Unread");
 830                                 }
 831                         }
 832                 }
 833
 834                 if (rows.length > 0) {
 835
 836                         var cmode = "";
 837
 838                         if (set_state == undefined) {
 839                                 cmode = "2";
 840                         } else if (set_state == true) {
 841                                 cmode = "1";
 842                         } else if (set_state == false) {
 843                                 cmode = "0";
 844                         }
 845
 846                         var query = "?op=rpc&method=catchupSelected" +
 847                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 848
 849                         notify_progress("Loading, please wait...");
 850
 851                         new Ajax.Request("backend.php", {
 852                                 parameters: query,
 853                                 onComplete: function(transport) {
 854                                         handle_rpc_json(transport);
 855                                         if (callback) callback(transport);
 856                                 } });
 857
 858                 }
 859
 860         } catch (e) {
 861                 exception_error("selectionToggleUnread", e);
 862         }
 863 }
 864
 865 // sel_state ignored
 866 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 867         try {
 868
 869                 var rows = ids ? ids : getSelectedArticleIds2();
 870
 871                 if (rows.length == 0 && !no_error) {
 872                         alert(__("No articles are selected."));
 873                         return;
 874                 }
 875
 876                 for (var i = 0; i < rows.length; i++) {
 877                         toggleMark(rows[i], true, true);
 878                 }
 879
 880                 if (rows.length > 0) {
 881
 882                         var query = "?op=rpc&method=markSelected&ids=" +
 883                                 param_escape(rows.toString()) + "&cmode=2";
 884
 885                         new Ajax.Request("backend.php", {
 886                                 parameters: query,
 887                                 onComplete: function(transport) {
 888                                         handle_rpc_json(transport);
 889                                         if (callback) callback(transport);
 890                                 } });
 891
 892                 }
 893
 894         } catch (e) {
 895                 exception_error("selectionToggleMarked", e);
 896         }
 897 }
 898
 899 // sel_state ignored
 900 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 901         try {
 902
 903                 var rows = ids ? ids : getSelectedArticleIds2();
 904
 905                 if (rows.length == 0 && !no_error) {
 906                         alert(__("No articles are selected."));
 907                         return;
 908                 }
 909
 910                 for (var i = 0; i < rows.length; i++) {
 911                         togglePub(rows[i], true, true);
 912                 }
 913
 914                 if (rows.length > 0) {
 915
 916                         var query = "?op=rpc&method=publishSelected&ids=" +
 917                                 param_escape(rows.toString()) + "&cmode=2";
 918
 919                         new Ajax.Request("backend.php", {
 920                                 parameters: query,
 921                                 onComplete: function(transport) {
 922                                         handle_rpc_json(transport);
 923                                 } });
 924
 925                 }
 926
 927         } catch (e) {
 928                 exception_error("selectionToggleMarked", e);
 929         }
 930 }
 931
 932 function getSelectedArticleIds2() {
 933
 934         var rv = [];
 935
 936         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 937                 function(child) {
 938                         rv.push(child.id.replace("RROW-", ""));
 939                 });
 940
 941         return rv;
 942 }
 943
 944 function getLoadedArticleIds() {
 945         var rv = [];
 946
 947         var children = $$("#headlines-frame > div[id*=RROW-]");
 948
 949         children.each(function(child) {
 950                         rv.push(child.id.replace("RROW-", ""));
 951                 });
 952
 953         return rv;
 954
 955 }
 956
 957 // mode = all,none,unread,invert,marked,published
 958 function selectArticles(mode) {
 959         try {
 960
 961                 var children = $$("#headlines-frame > div[id*=RROW]");
 962
 963                 children.each(function(child) {
 964                         var id = child.id.replace("RROW-", "");
 965
 966                         var cb = dijit.getEnclosingWidget(
 967                                         child.getElementsByClassName("rchk")[0]);
 968
 969                         if (mode == "all") {
 970                                 child.addClassName("Selected");
 971                                 if (cb) cb.attr("checked", true);
 972                         } else if (mode == "unread") {
 973                                 if (child.hasClassName("Unread")) {
 974                                         child.addClassName("Selected");
 975                                         if (cb) cb.attr("checked", true);
 976                                 } else {
 977                                         child.removeClassName("Selected");
 978                                         if (cb) cb.attr("checked", false);
 979                                 }
 980                         } else if (mode == "marked") {
 981                                 if (child.hasClassName("marked")) {
 982                                         child.addClassName("Selected");
 983                                         if (cb) cb.attr("checked", true);
 984                                 } else {
 985                                         child.removeClassName("Selected");
 986                                         if (cb) cb.attr("checked", false);
 987                                 }
 988                         } else if (mode == "published") {
 989                                 if (child.hasClassName("published")) {
 990                                         child.addClassName("Selected");
 991                                         if (cb) cb.attr("checked", true);
 992                                 } else {
 993                                         child.removeClassName("Selected");
 994                                         if (cb) cb.attr("checked", false);
 995                                 }
 996
 997                         } else if (mode == "invert") {
 998                                 if (child.hasClassName("Selected")) {
 999                                         child.removeClassName("Selected");
1000                                         if (cb) cb.attr("checked", false);
1001                                 } else {
1002                                         child.addClassName("Selected");
1003                                         if (cb) cb.attr("checked", true);
1004                                 }
1005
1006                         } else {
1007                                 child.removeClassName("Selected");
1008                                 if (cb) cb.attr("checked", false);
1009                         }
1010                 });
1011
1012                 updateSelectedPrompt();
1013
1014         } catch (e) {
1015                 exception_error("selectArticles", e);
1016         }
1017 }
1018
1019 function deleteSelection() {
1020
1021         try {
1022
1023                 var rows = getSelectedArticleIds2();
1024
1025                 if (rows.length == 0) {
1026                         alert(__("No articles are selected."));
1027                         return;
1028                 }
1029
1030                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1031                 var str;
1032
1033                 if (getActiveFeedId() != 0) {
1034                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
1035                 } else {
1036                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
1037                 }
1038
1039                 str = str.replace("%d", rows.length);
1040                 str = str.replace("%s", fn);
1041
1042                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1043                         return;
1044                 }
1045
1046                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
1047
1048                 console.log(query);
1049
1050                 new Ajax.Request("backend.php", {
1051                         parameters: query,
1052                         onComplete: function(transport) {
1053                                         handle_rpc_json(transport);
1054                                         viewCurrentFeed();
1055                                 } });
1056
1057         } catch (e) {
1058                 exception_error("deleteSelection", e);
1059         }
1060 }
1061
1062 function archiveSelection() {
1063
1064         try {
1065
1066                 var rows = getSelectedArticleIds2();
1067
1068                 if (rows.length == 0) {
1069                         alert(__("No articles are selected."));
1070                         return;
1071                 }
1072
1073                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1074                 var str;
1075                 var op;
1076
1077                 if (getActiveFeedId() != 0) {
1078                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1079                         op = "archive";
1080                 } else {
1081                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1082
1083                         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
1084
1085                         op = "unarchive";
1086                 }
1087
1088                 str = str.replace("%d", rows.length);
1089                 str = str.replace("%s", fn);
1090
1091                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1092                         return;
1093                 }
1094
1095                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1096
1097                 console.log(query);
1098
1099                 for (var i = 0; i < rows.length; i++) {
1100                         cache_delete("article:" + rows[i]);
1101                 }
1102
1103                 new Ajax.Request("backend.php", {
1104                         parameters: query,
1105                         onComplete: function(transport) {
1106                                         handle_rpc_json(transport);
1107                                         viewCurrentFeed();
1108                                 } });
1109
1110         } catch (e) {
1111                 exception_error("archiveSelection", e);
1112         }
1113 }
1114
1115 function catchupSelection() {
1116
1117         try {
1118
1119                 var rows = getSelectedArticleIds2();
1120
1121                 if (rows.length == 0) {
1122                         alert(__("No articles are selected."));
1123                         return;
1124                 }
1125
1126                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1127
1128                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1129
1130                 str = str.replace("%d", rows.length);
1131                 str = str.replace("%s", fn);
1132
1133                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1134                         return;
1135                 }
1136
1137                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1138
1139         } catch (e) {
1140                 exception_error("catchupSelection", e);
1141         }
1142 }
1143
1144 function editArticleTags(id) {
1145                 var query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
1146
1147                 if (dijit.byId("editTagsDlg"))
1148                         dijit.byId("editTagsDlg").destroyRecursive();
1149
1150                 dialog = new dijit.Dialog({
1151                         id: "editTagsDlg",
1152                         title: __("Edit article Tags"),
1153                         style: "width: 600px",
1154                         execute: function() {
1155                                 if (this.validate()) {
1156                                         var query = dojo.objectToQuery(this.attr('value'));
1157
1158                                         notify_progress("Saving article tags...", true);
1159
1160                                         new Ajax.Request("backend.php", {
1161                                         parameters: query,
1162                                         onComplete: function(transport) {
1163                                                 try {
1164                                                         notify('');
1165                                                         dialog.hide();
1166
1167                                                         var data = JSON.parse(transport.responseText);
1168
1169                                                         if (data) {
1170                                                                 var id = data.id;
1171
1172                                                                 console.log(id);
1173
1174                                                                 var tags = $("ATSTR-" + id);
1175                                                                 var tooltip = dijit.byId("ATSTRTIP-" + id);
1176
1177                                                                 if (tags) tags.innerHTML = data.content;
1178                                                                 if (tooltip) tooltip.attr('label', data.content_full);
1179                                                         }
1180                                                 } catch (e) {
1181                                                         exception_error("editArticleTags/inner", e);
1182                                                 }
1183
1184                                         }});
1185                                 }
1186                         },
1187                         href: query,
1188                 });
1189
1190                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1191                 dojo.disconnect(tmph);
1192
1193                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1194                            "backend.php?op=article&method=completeTags",
1195                            { tokens: ',', paramName: "search" });
1196                 });
1197
1198                 dialog.show();
1199
1200 }
1201
1202 function cdmScrollToArticleId(id, force) {
1203         try {
1204                 var ctr = $("headlines-frame");
1205                 var e = $("RROW-" + id);
1206
1207                 if (!e || !ctr) return;
1208
1209                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1210                                 e.offsetTop < ctr.scrollTop) {
1211
1212                         // expanded cdm has a 4px margin now
1213                         ctr.scrollTop = parseInt(e.offsetTop) - 4;
1214                 }
1215
1216         } catch (e) {
1217                 exception_error("cdmScrollToArticleId", e);
1218         }
1219 }
1220
1221 function setActiveArticleId(id) {
1222         _active_article_id = id;
1223         PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
1224 }
1225
1226 function getActiveArticleId() {
1227         return _active_article_id;
1228 }
1229
1230 function postMouseIn(e, id) {
1231         post_under_pointer = id;
1232 }
1233
1234 function postMouseOut(id) {
1235         post_under_pointer = false;
1236 }
1237
1238 function unpackVisibleHeadlines() {
1239         try {
1240                 if (!isCdmMode()) return;
1241
1242                 $$("#headlines-frame > div[id*=RROW]").each(
1243                         function(child) {
1244                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1245                                         $("headlines-frame").offsetHeight) {
1246
1247                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1248
1249                                         if (cencw) {
1250                                                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED_CDM, child);
1251
1252                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1253                                                 cencw.setAttribute('id', '');
1254                                                 Element.show(cencw);
1255                                         }
1256                                 }
1257                         }
1258                 );
1259
1260         } catch (e) {
1261                 exception_error("unpackVisibleHeadlines", e);
1262         }
1263 }
1264
1265 function headlines_scroll_handler(e) {
1266         try {
1267                 var hsp = $("headlines-spacer");
1268
1269                 unpackVisibleHeadlines();
1270
1271                 // set topmost child in the buffer as active
1272                 if (getInitParam("cdm_auto_catchup") == 1 &&
1273                                 (!isCdmMode() || getInitParam("cdm_expanded"))) {
1274                         var rows = $$("#headlines-frame > div[id*=RROW]");
1275
1276                         for (var i = 0; i < rows.length; i++) {
1277                                 var child = rows[i];
1278
1279                                 if ($("headlines-frame").scrollTop < child.offsetTop &&
1280                                         child.offsetTop - $("headlines-frame").scrollTop < 100) {
1281
1282                                         if (_active_article_id) {
1283                                                 var row = $("RROW-" + _active_article_id);
1284                                                 if (row) row.removeClassName("active");
1285                                         }
1286
1287                                         _active_article_id = child.id.replace("RROW-", "");
1288                                         showArticleInHeadlines(_active_article_id, true);
1289                                         updateSelectedPrompt();
1290                                         break;
1291                                 }
1292                         }
1293                 }
1294
1295                 if (!_infscroll_disable) {
1296                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1297                                         (e.scrollHeight != 0 &&
1298                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1299
1300                                 if (hsp)
1301                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1302                                                 __("Loading, please wait...");
1303
1304                                 loadMoreHeadlines();
1305                                 return;
1306
1307                         }
1308                 } else {
1309                         if (hsp) hsp.innerHTML = "";
1310                 }
1311
1312                 if (getInitParam("cdm_expanded") && isCdmMode()) {
1313                         updateFloatingTitle();
1314                 }
1315
1316                 if (getInitParam("cdm_auto_catchup") == 1) {
1317
1318                         // let's get DOM some time to settle down
1319                         var ts = new Date().getTime();
1320                         if (ts - _last_headlines_update < 100) return;
1321
1322                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1323                                 function(child) {
1324                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1325                                                         (child.offsetTop + child.offsetHeight/2)) {
1326
1327                                                 var id = child.id.replace("RROW-", "");
1328
1329                                                 if (catchup_id_batch.indexOf(id) == -1)
1330                                                         catchup_id_batch.push(id);
1331
1332                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1333                                         }
1334
1335                                 });
1336
1337                         if (catchup_id_batch.length > 0) {
1338                                 window.clearTimeout(catchup_timeout_id);
1339
1340                                 if (!_infscroll_request_sent) {
1341                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1342                                                 500);
1343                                 }
1344                         }
1345                 }
1346
1347         } catch (e) {
1348                 console.warn("headlines_scroll_handler: " + e);
1349         }
1350 }
1351
1352 function catchupBatchedArticles() {
1353         try {
1354                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1355
1356                         // make a copy of the array
1357                         var batch = catchup_id_batch.slice();
1358                         var query = "?op=rpc&method=catchupSelected" +
1359                                 "&cmode=0&ids=" + param_escape(batch.toString());
1360
1361                         console.log(query);
1362
1363                         new Ajax.Request("backend.php", {
1364                                 parameters: query,
1365                                 onComplete: function(transport) {
1366                                         handle_rpc_json(transport);
1367
1368                                         reply = JSON.parse(transport.responseText);
1369                                         var batch = reply.ids;
1370
1371                                         batch.each(function(id) {
1372                                                 console.log(id);
1373                                                 var elem = $("RROW-" + id);
1374                                                 if (elem) elem.removeClassName("Unread");
1375                                                 catchup_id_batch.remove(id);
1376                                         });
1377
1378                                 } });
1379                 }
1380
1381         } catch (e) {
1382                 exception_error("catchupBatchedArticles", e);
1383         }
1384 }
1385
1386 function catchupRelativeToArticle(below, id) {
1387
1388         try {
1389
1390                 if (!id) id = getActiveArticleId();
1391
1392                 if (!id) {
1393                         alert(__("No article is selected."));
1394                         return;
1395                 }
1396
1397                 var visible_ids = getVisibleArticleIds();
1398
1399                 var ids_to_mark = new Array();
1400
1401                 if (!below) {
1402                         for (var i = 0; i < visible_ids.length; i++) {
1403                                 if (visible_ids[i] != id) {
1404                                         var e = $("RROW-" + visible_ids[i]);
1405
1406                                         if (e && e.hasClassName("Unread")) {
1407                                                 ids_to_mark.push(visible_ids[i]);
1408                                         }
1409                                 } else {
1410                                         break;
1411                                 }
1412                         }
1413                 } else {
1414                         for (var i = visible_ids.length-1; i >= 0; i--) {
1415                                 if (visible_ids[i] != id) {
1416                                         var e = $("RROW-" + visible_ids[i]);
1417
1418                                         if (e && e.hasClassName("Unread")) {
1419                                                 ids_to_mark.push(visible_ids[i]);
1420                                         }
1421                                 } else {
1422                                         break;
1423                                 }
1424                         }
1425                 }
1426
1427                 if (ids_to_mark.length == 0) {
1428                         alert(__("No articles found to mark"));
1429                 } else {
1430                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1431
1432                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1433
1434                                 for (var i = 0; i < ids_to_mark.length; i++) {
1435                                         var e = $("RROW-" + ids_to_mark[i]);
1436                                         e.removeClassName("Unread");
1437                                 }
1438
1439                                 var query = "?op=rpc&method=catchupSelected" +
1440                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1441
1442                                 new Ajax.Request("backend.php", {
1443                                         parameters: query,
1444                                         onComplete: function(transport) {
1445                                                 handle_rpc_json(transport);
1446                                         } });
1447
1448                         }
1449                 }
1450
1451         } catch (e) {
1452                 exception_error("catchupRelativeToArticle", e);
1453         }
1454 }
1455
1456 function cdmCollapseArticle(event, id, unmark) {
1457         try {
1458                 if (unmark == undefined) unmark = true;
1459
1460                 var row = $("RROW-" + id);
1461                 var elem = $("CICD-" + id);
1462
1463                 if (elem && row) {
1464                         var collapse = $$("div#RROW-" + id +
1465                                 " span[class='collapseBtn']")[0];
1466
1467                         Element.hide(elem);
1468                         Element.show("CEXC-" + id);
1469                         Element.hide(collapse);
1470
1471                         if (unmark) {
1472                                 row.removeClassName("active");
1473
1474                                 markHeadline(id, false);
1475
1476                                 if (id == getActiveArticleId()) {
1477                                         setActiveArticleId(0);
1478                                 }
1479
1480                                 updateSelectedPrompt();
1481                         }
1482
1483                         if (event) Event.stop(event);
1484
1485                         PluginHost.run(PluginHost.HOOK_ARTICLE_COLLAPSED, id);
1486                 }
1487
1488         } catch (e) {
1489                 exception_error("cdmCollapseArticle", e);
1490         }
1491 }
1492
1493 function cdmExpandArticle(id, noexpand) {
1494         try {
1495                 console.log("cdmExpandArticle " + id);
1496
1497                 if (!$("RROW-" + id)) return false;
1498
1499                 var oldrow = $("RROW-" + getActiveArticleId());
1500
1501                 var elem = $("CICD-" + getActiveArticleId());
1502
1503                 if (id == getActiveArticleId() && Element.visible(elem))
1504                         return true;
1505
1506                 selectArticles("none");
1507
1508                 var old_offset = $("RROW-" + id).offsetTop;
1509
1510                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1511                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1512                                 " span[class='collapseBtn']")[0];
1513
1514                         Element.hide(elem);
1515                         Element.show("CEXC-" + getActiveArticleId());
1516                         Element.hide(collapse);
1517                 }
1518
1519                 if (oldrow) oldrow.removeClassName("active");
1520
1521                 setActiveArticleId(id);
1522
1523                 elem = $("CICD-" + id);
1524
1525                 var collapse = $$("div#RROW-" + id +
1526                                 " span[class='collapseBtn']")[0];
1527
1528                 var cencw = $("CENCW-" + id);
1529
1530                 if (!Element.visible(elem) && !noexpand) {
1531                         if (cencw) {
1532                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1533                                 cencw.setAttribute('id', '');
1534                                 Element.show(cencw);
1535                         }
1536
1537                         Element.show(elem);
1538                         Element.hide("CEXC-" + id);
1539                         Element.show(collapse);
1540                 }
1541
1542                 var new_offset = $("RROW-" + id).offsetTop;
1543
1544                 if (old_offset > new_offset)
1545                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1546
1547                 if (!noexpand)
1548                         toggleUnread(id, 0, true);
1549                 toggleSelected(id);
1550                 $("RROW-" + id).addClassName("active");
1551
1552                 PluginHost.run(PluginHost.HOOK_ARTICLE_EXPANDED, id);
1553
1554         } catch (e) {
1555                 exception_error("cdmExpandArticle", e);
1556         }
1557
1558         return false;
1559 }
1560
1561 function getArticleUnderPointer() {
1562         return post_under_pointer;
1563 }
1564
1565 function scrollArticle(offset) {
1566         try {
1567                 if (!isCdmMode()) {
1568                         var ci = $("content-insert");
1569                         if (ci) {
1570                                 ci.scrollTop += offset;
1571                         }
1572                 } else {
1573                         var hi = $("headlines-frame");
1574                         if (hi) {
1575                                 hi.scrollTop += offset;
1576                         }
1577
1578                 }
1579         } catch (e) {
1580                 exception_error("scrollArticle", e);
1581         }
1582 }
1583
1584 function show_labels_in_headlines(transport) {
1585         try {
1586                 var data = JSON.parse(transport.responseText);
1587
1588                 if (data) {
1589                         data['info-for-headlines'].each(function(elem) {
1590                                 var ctr = $("HLLCTR-" + elem.id);
1591
1592                                 if (ctr) ctr.innerHTML = elem.labels;
1593                         });
1594                 }
1595         } catch (e) {
1596                 exception_error("show_labels_in_headlines", e);
1597         }
1598 }
1599
1600 function dismissArticle(id) {
1601         try {
1602                 var elem = $("RROW-" + id);
1603
1604                 if (!elem) return;
1605
1606                 toggleUnread(id, 0, true);
1607
1608                 new Effect.Fade(elem, {duration : 0.5});
1609
1610                 if (id == getActiveArticleId()) {
1611                         setActiveArticleId(0);
1612                 }
1613
1614         } catch (e) {
1615                 exception_error("dismissArticle", e);
1616         }
1617 }
1618
1619 function dismissSelectedArticles() {
1620         try {
1621
1622                 var ids = getVisibleArticleIds();
1623                 var tmp = [];
1624                 var sel = [];
1625
1626                 for (var i = 0; i < ids.length; i++) {
1627                         var elem = $("RROW-" + ids[i]);
1628
1629                         if (elem.className && elem.hasClassName("Selected") &&
1630                                         ids[i] != getActiveArticleId()) {
1631                                 new Effect.Fade(elem, {duration : 0.5});
1632                                 sel.push(ids[i]);
1633                         } else {
1634                                 tmp.push(ids[i]);
1635                         }
1636                 }
1637
1638                 if (sel.length > 0)
1639                         selectionToggleUnread(false);
1640
1641
1642         } catch (e) {
1643                 exception_error("dismissSelectedArticles", e);
1644         }
1645 }
1646
1647 function dismissReadArticles() {
1648         try {
1649
1650                 var ids = getVisibleArticleIds();
1651                 var tmp = [];
1652
1653                 for (var i = 0; i < ids.length; i++) {
1654                         var elem = $("RROW-" + ids[i]);
1655
1656                         if (elem.className && !elem.hasClassName("Unread") &&
1657                                         !elem.hasClassName("Selected")) {
1658
1659                                 new Effect.Fade(elem, {duration : 0.5});
1660                         } else {
1661                                 tmp.push(ids[i]);
1662                         }
1663                 }
1664
1665         } catch (e) {
1666                 exception_error("dismissSelectedArticles", e);
1667         }
1668 }
1669
1670 function getVisibleArticleIds() {
1671         var ids = [];
1672
1673         try {
1674
1675                 getLoadedArticleIds().each(function(id) {
1676                         var elem = $("RROW-" + id);
1677                         if (elem && Element.visible(elem))
1678                                 ids.push(id);
1679                         });
1680
1681         } catch (e) {
1682                 exception_error("getVisibleArticleIds", e);
1683         }
1684
1685         return ids;
1686 }
1687
1688 function cdmClicked(event, id) {
1689         try {
1690                 //var shift_key = event.shiftKey;
1691
1692                 if (!event.ctrlKey) {
1693
1694                         if (!getInitParam("cdm_expanded")) {
1695                                 return cdmExpandArticle(id);
1696                         } else {
1697
1698                                 var elem = $("RROW-" + getActiveArticleId());
1699
1700                                 if (elem) elem.removeClassName("active");
1701
1702                                 selectArticles("none");
1703                                 toggleSelected(id);
1704
1705                                 var elem = $("RROW-" + id);
1706                                 var article_is_unread = elem.hasClassName("Unread");
1707
1708                                 elem.removeClassName("Unread");
1709                                 elem.addClassName("active");
1710
1711                                 setActiveArticleId(id);
1712
1713                                 if (article_is_unread) {
1714                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1715                                 }
1716
1717                                 var query = "?op=rpc&method=catchupSelected" +
1718                                         "&cmode=0&ids=" + param_escape(id);
1719
1720                                 new Ajax.Request("backend.php", {
1721                                         parameters: query,
1722                                         onComplete: function(transport) {
1723                                                 handle_rpc_json(transport);
1724                                         } });
1725
1726                                 return !event.shiftKey;
1727                         }
1728
1729                 } else {
1730                         toggleSelected(id, true);
1731
1732                         var elem = $("RROW-" + id);
1733                         var article_is_unread = elem.hasClassName("Unread");
1734
1735                         if (article_is_unread) {
1736                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1737                         }
1738
1739                         toggleUnread(id, 0, false);
1740
1741                         openArticleInNewWindow(id);
1742                 }
1743
1744                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1745                 request_counters(unread_in_buffer == 0);
1746
1747         } catch (e) {
1748                 exception_error("cdmClicked");
1749         }
1750
1751         return false;
1752 }
1753
1754 function hlClicked(event, id) {
1755         try {
1756                 if (event.which == 2) {
1757                         view(id);
1758                         return true;
1759                 } else if (event.ctrlKey) {
1760                         toggleSelected(id, true);
1761                         toggleUnread(id, 0, false);
1762                         openArticleInNewWindow(id);
1763                         return false;
1764                 } else {
1765                         view(id);
1766                         return false;
1767                 }
1768
1769         } catch (e) {
1770                 exception_error("hlClicked");
1771         }
1772 }
1773
1774 function getFirstVisibleHeadlineId() {
1775         var rows = getVisibleArticleIds();
1776         return rows[0];
1777
1778 }
1779
1780 function getLastVisibleHeadlineId() {
1781         var rows = getVisibleArticleIds();
1782         return rows[rows.length-1];
1783 }
1784
1785 function openArticleInNewWindow(id) {
1786         toggleUnread(id, 0, false);
1787         window.open("backend.php?op=article&method=redirect&id=" + id);
1788 }
1789
1790 function isCdmMode() {
1791         return getInitParam("combined_display_mode");
1792 }
1793
1794 function markHeadline(id, marked) {
1795         if (marked == undefined) marked = true;
1796
1797         var row = $("RROW-" + id);
1798         if (row) {
1799                 var check = dijit.getEnclosingWidget(
1800                                 row.getElementsByClassName("rchk")[0]);
1801
1802                 if (check) {
1803                         check.attr("checked", marked);
1804                 }
1805
1806                 if (marked)
1807                         row.addClassName("Selected");
1808                 else
1809                         row.removeClassName("Selected");
1810         }
1811 }
1812
1813 function getRelativePostIds(id, limit) {
1814
1815         var tmp = [];
1816
1817         try {
1818
1819                 if (!limit) limit = 6; //3
1820
1821                 var ids = getVisibleArticleIds();
1822
1823                 for (var i = 0; i < ids.length; i++) {
1824                         if (ids[i] == id) {
1825                                 for (var k = 1; k <= limit; k++) {
1826                                         //if (i > k-1) tmp.push(ids[i-k]);
1827                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1828                                 }
1829                                 break;
1830                         }
1831                 }
1832
1833         } catch (e) {
1834                 exception_error("getRelativePostIds", e);
1835         }
1836
1837         return tmp;
1838 }
1839
1840 function correctHeadlinesOffset(id) {
1841
1842         try {
1843
1844                 var container = $("headlines-frame");
1845                 var row = $("RROW-" + id);
1846
1847                 if (!container || !row) return;
1848
1849                 var viewport = container.offsetHeight;
1850
1851                 var rel_offset_top = row.offsetTop - container.scrollTop;
1852                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1853
1854                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1855                 //console.log("Vport: " + viewport);
1856
1857                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1858                         container.scrollTop = row.offsetTop;
1859                 } else if (rel_offset_bottom > viewport) {
1860
1861                         /* doesn't properly work with Opera in some cases because
1862                                 Opera fucks up element scrolling */
1863
1864                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1865                 }
1866
1867         } catch (e) {
1868                 exception_error("correctHeadlinesOffset", e);
1869         }
1870
1871 }
1872
1873 function headlineActionsChange(elem) {
1874         try {
1875                 eval(elem.value);
1876                 elem.attr('value', 'false');
1877         } catch (e) {
1878                 exception_error("headlineActionsChange", e);
1879         }
1880 }
1881
1882 function closeArticlePanel() {
1883
1884         if (dijit.byId("content-insert"))
1885                 dijit.byId("headlines-wrap-inner").removeChild(
1886                         dijit.byId("content-insert"));
1887 }
1888
1889 function initHeadlinesMenu() {
1890         try {
1891                 if (dijit.byId("headlinesMenu"))
1892                         dijit.byId("headlinesMenu").destroyRecursive();
1893
1894                 var ids = [];
1895
1896                 if (!isCdmMode()) {
1897                         nodes = $$("#headlines-frame > div[id*=RROW]");
1898                 } else {
1899                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1900                 }
1901
1902                 nodes.each(function(node) {
1903                         ids.push(node.id);
1904                 });
1905
1906                 var menu = new dijit.Menu({
1907                         id: "headlinesMenu",
1908                         targetNodeIds: ids,
1909                 });
1910
1911                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1912                         var callerNode = event.target, match = null, tries = 0;
1913
1914                         while (match == null && callerNode && tries <= 3) {
1915                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1916                                 callerNode = callerNode.parentNode;
1917                                 ++tries;
1918                         }
1919
1920                         if (match) this.callerRowId = parseInt(match[1]);
1921
1922                 });
1923
1924 /*              if (!isCdmMode())
1925                         menu.addChild(new dijit.MenuItem({
1926                                 label: __("View article"),
1927                                 onClick: function(event) {
1928                                         view(this.getParent().callerRowId);
1929                                 }})); */
1930
1931                 menu.addChild(new dijit.MenuItem({
1932                         label: __("Open original article"),
1933                         onClick: function(event) {
1934                                 openArticleInNewWindow(this.getParent().callerRowId);
1935                         }}));
1936
1937                 menu.addChild(new dijit.MenuItem({
1938                         label: __("Display article URL"),
1939                         onClick: function(event) {
1940                                 displayArticleUrl(this.getParent().callerRowId);
1941                         }}));
1942
1943                 menu.addChild(new dijit.MenuSeparator());
1944
1945                 menu.addChild(new dijit.MenuItem({
1946                         label: __("Toggle unread"),
1947                         onClick: function(event) {
1948                                 var ids = getSelectedArticleIds2();
1949                                 // cast to string
1950                                 var id = this.getParent().callerRowId + "";
1951                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1952
1953                                 selectionToggleUnread(undefined, false, true, ids);
1954                                 }}));
1955
1956                 menu.addChild(new dijit.MenuItem({
1957                         label: __("Toggle starred"),
1958                         onClick: function(event) {
1959                                 var ids = getSelectedArticleIds2();
1960                                 // cast to string
1961                                 var id = this.getParent().callerRowId + "";
1962                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1963
1964                                 selectionToggleMarked(undefined, false, true, ids);
1965                                 }}));
1966
1967                 menu.addChild(new dijit.MenuItem({
1968                         label: __("Toggle published"),
1969                         onClick: function(event) {
1970                                 var ids = getSelectedArticleIds2();
1971                                 // cast to string
1972                                 var id = this.getParent().callerRowId + "";
1973                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1974
1975                                 selectionTogglePublished(undefined, false, true, ids);
1976                                 }}));
1977
1978                 menu.addChild(new dijit.MenuSeparator());
1979
1980                 menu.addChild(new dijit.MenuItem({
1981                         label: __("Mark above as read"),
1982                         onClick: function(event) {
1983                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1984                                 }}));
1985
1986                 menu.addChild(new dijit.MenuItem({
1987                         label: __("Mark below as read"),
1988                         onClick: function(event) {
1989                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1990                                 }}));
1991
1992
1993                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1994
1995                 if (labels) {
1996
1997                         menu.addChild(new dijit.MenuSeparator());
1998
1999                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
2000                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
2001
2002                         labels.each(function(label) {
2003                                 var id = label.id[0];
2004                                 var bare_id = id.substr(id.indexOf(":")+1);
2005                                 var name = label.name[0];
2006
2007                                 bare_id = feed_to_label_id(bare_id);
2008
2009                                 labelAddMenu.addChild(new dijit.MenuItem({
2010                                         label: name,
2011                                         labelId: bare_id,
2012                                         onClick: function(event) {
2013                                                 var ids = getSelectedArticleIds2();
2014                                                 // cast to string
2015                                                 var id = this.getParent().ownerMenu.callerRowId + "";
2016
2017                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2018
2019                                                 selectionAssignLabel(this.labelId, ids);
2020                                 }}));
2021
2022                                 labelDelMenu.addChild(new dijit.MenuItem({
2023                                         label: name,
2024                                         labelId: bare_id,
2025                                         onClick: function(event) {
2026                                                 var ids = getSelectedArticleIds2();
2027                                                 // cast to string
2028                                                 var id = this.getParent().ownerMenu.callerRowId + "";
2029
2030                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2031
2032                                                 selectionRemoveLabel(this.labelId, ids);
2033                                 }}));
2034
2035                         });
2036
2037                         menu.addChild(new dijit.PopupMenuItem({
2038                                 label: __("Assign label"),
2039                                 popup: labelAddMenu,
2040                         }));
2041
2042                         menu.addChild(new dijit.PopupMenuItem({
2043                                 label: __("Remove label"),
2044                                 popup: labelDelMenu,
2045                         }));
2046
2047                 }
2048
2049                 menu.startup();
2050
2051         } catch (e) {
2052                 exception_error("initHeadlinesMenu", e);
2053         }
2054 }
2055
2056 function cache_set(id, obj) {
2057         //console.log("cache_set: " + id);
2058         if (has_storage)
2059                 try {
2060                         sessionStorage[id] = obj;
2061                 } catch (e) {
2062                         sessionStorage.clear();
2063                 }
2064 }
2065
2066 function cache_get(id) {
2067         if (has_storage)
2068                 return sessionStorage[id];
2069 }
2070
2071 function cache_clear() {
2072         if (has_storage)
2073                 sessionStorage.clear();
2074 }
2075
2076 function cache_delete(id) {
2077         if (has_storage)
2078                 sessionStorage.removeItem(id);
2079 }
2080
2081 function cancelSearch() {
2082         try {
2083                 _search_query = "";
2084                 viewCurrentFeed();
2085         } catch (e) {
2086                 exception_error("cancelSearch", e);
2087         }
2088 }
2089
2090 function setSelectionScore() {
2091         try {
2092                 var ids = getSelectedArticleIds2();
2093
2094                 if (ids.length > 0) {
2095                         console.log(ids);
2096
2097                         var score = prompt(__("Please enter new score for selected articles:"), score);
2098
2099                         if (score != undefined) {
2100                                 var query = "op=article&method=setScore&id=" + param_escape(ids.toString()) +
2101                                         "&score=" + param_escape(score);
2102
2103                                 new Ajax.Request("backend.php", {
2104                                         parameters: query,
2105                                         onComplete: function(transport) {
2106                                                 var reply = JSON.parse(transport.responseText);
2107                                                 if (reply) {
2108                                                         console.log(ids);
2109
2110                                                         ids.each(function(id) {
2111                                                                 var row = $("RROW-" + id);
2112
2113                                                                 if (row) {
2114                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2115
2116                                                                         if (pic) {
2117                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2118                                                                                         reply["score_pic"]);
2119                                                                                 pic.setAttribute("score", score);
2120                                                                         }
2121                                                                 }
2122                                                         });
2123                                                 }
2124                                         } });
2125                         }
2126
2127                 } else {
2128                         alert(__("No articles are selected."));
2129                 }
2130         } catch (e) {
2131                 exception_error("setSelectionScore", e);
2132         }
2133 }
2134
2135 function changeScore(id, pic) {
2136         try {
2137                 var score = pic.getAttribute("score");
2138
2139                 var new_score = prompt(__("Please enter new score for this article:"), score);
2140
2141                 if (new_score != undefined) {
2142
2143                         var query = "op=article&method=setScore&id=" + param_escape(id) +
2144                                 "&score=" + param_escape(new_score);
2145
2146                         new Ajax.Request("backend.php", {
2147                                 parameters: query,
2148                                 onComplete: function(transport) {
2149                                         var reply = JSON.parse(transport.responseText);
2150
2151                                         if (reply) {
2152                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2153                                                 pic.setAttribute("score", new_score);
2154                                         }
2155                                 } });
2156                 }
2157         } catch (e) {
2158                 exception_error("changeScore", e);
2159         }
2160 }
2161
2162 function displayArticleUrl(id) {
2163         try {
2164                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2165
2166                         new Ajax.Request("backend.php", {
2167                                 parameters: query,
2168                                 onComplete: function(transport) {
2169                                         var reply = JSON.parse(transport.responseText);
2170
2171                                         if (reply && reply.link) {
2172                                                 prompt(__("Article URL:"), reply.link);
2173                                         }
2174                                 } });
2175         } catch (e) {
2176                 exception_error("changeScore", e);
2177         }
2178 }
2179
2180 function openSelectedAttachment(elem) {
2181         try {
2182                 var url = elem[elem.selectedIndex].value;
2183
2184                 if (url) {
2185                         window.open(url);
2186                         elem.selectedIndex = 0;
2187                 }
2188
2189         } catch (e) {
2190                 exception_error("openSelectedAttachment", e);
2191         }
2192 }
2193
2194 function updateFloatingTitle() {
2195         try {
2196                 var hf = $("headlines-frame");
2197
2198                 var elems = $$("#headlines-frame > div[id*=RROW]");
2199
2200                 for (var i = 0; i < elems.length; i++) {
2201                         var child = elems[i];
2202
2203                         if (child.offsetTop + child.offsetHeight > hf.scrollTop) {
2204
2205                                 var header = child.getElementsByClassName("cdmHeader")[0];
2206
2207                                 $("floatingTitle").setAttribute("rowid", child.id);
2208                                 $("floatingTitle").innerHTML =
2209                                         header.innerHTML;
2210
2211                                 if (child.offsetTop < hf.scrollTop - header.offsetHeight - 100 &&
2212                                                 child.offsetTop + child.offsetHeight - hf.scrollTop > 100)
2213                                         Element.show("floatingTitle");
2214                                 else
2215                                         Element.hide("floatingTitle");
2216
2217                                 break;
2218                         }
2219                 }
2220         } catch (e) {
2221                 exception_error("updateFloatingTitle", e);
2222         }
2223 }