viewfeed.js

   1 var active_post_id = false;
   2 var last_article_view = false;
   3 var active_real_feed_id = false;
   4
   5 var _tag_active_post_id = false;
   6 var _tag_active_feed_id = false;
   7 var _tag_active_cdm = false;
   8
   9 // FIXME: kludge, to restore scrollTop after tag editor terminates
  10 var _tag_cdm_scroll = false;
  11
  12 // FIXME: kludges, needs proper implementation
  13 var _reload_feedlist_after_view = false;
  14
  15 var _cdm_wd_timeout = false;
  16 var _cdm_wd_vishist = new Array();
  17
  18 var article_cache = new Array();
  19
  20 var vgroup_last_feed = false;
  21 var post_under_pointer = false;
  22
  23 var last_requested_article = false;
  24
  25 function catchup_callback() {
  26         if (xmlhttp_rpc.readyState == 4) {
  27                 try {
  28                         debug("catchup_callback");
  29                         notify("");
  30                         all_counters_callback2(xmlhttp_rpc);
  31                         if (_catchup_callback_func) {
  32                                 setTimeout(_catchup_callback_func, 10);
  33                         }
  34                 } catch (e) {
  35                         exception_error("catchup_callback", e);
  36                 }
  37         }
  38 }
  39
  40 function catchup_callback2(transport, callback) {
  41         try {
  42                 debug("catchup_callback2 " + transport + ", " + callback);
  43                 notify("");
  44                 all_counters_callback2(transport);
  45                 if (callback) {
  46                         setTimeout(callback, 10);
  47                 }
  48         } catch (e) {
  49                 exception_error("catchup_callback2", e);
  50         }
  51 }
  52
  53 function clean_feed_selections() {
  54         try {
  55                 var feeds = document.getElementById("feedList").getElementsByTagName("LI");
  56
  57                 for (var i = 0; i < feeds.length; i++) {
  58                         if (feeds[i].id && feeds[i].id.match("FEEDR-")) {
  59                                 feeds[i].className = feeds[i].className.replace("Selected", "");
  60                         }
  61                 }
  62         } catch (e) {
  63                 exception_error("clean_feed_selections", e);
  64         }
  65 }
  66
  67 function headlines_callback2(transport, active_feed_id, is_cat, feed_cur_page) {
  68         try {
  69
  70                 loading_set_progress(100);
  71
  72                 debug("headlines_callback2 [page=" + feed_cur_page + "]");
  73
  74                 clean_feed_selections();
  75
  76                 setActiveFeedId(active_feed_id);
  77
  78                 if (is_cat != undefined) {
  79                         active_feed_is_cat = is_cat;
  80                 }
  81
  82                 if (!is_cat) {
  83                         var feedr = document.getElementById("FEEDR-" + active_feed_id);
  84                         if (feedr && !feedr.className.match("Selected")) {
  85                                 feedr.className = feedr.className + "Selected";
  86                         }
  87                 }
  88
  89                 var f = document.getElementById("headlines-frame");
  90                 try {
  91                         if (feed_cur_page == 0) {
  92                                 debug("resetting headlines scrollTop");
  93                                 f.scrollTop = 0;
  94                         }
  95                 } catch (e) { };
  96
  97                 if (transport.responseXML) {
  98                         var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
  99                         var headlines_count_obj = transport.responseXML.getElementsByTagName("headlines-count")[0];
 100                         var headlines_unread_obj = transport.responseXML.getElementsByTagName("headlines-unread")[0];
 101                         var disable_cache_obj = transport.responseXML.getElementsByTagName("disable-cache")[0];
 102
 103                         var vgroup_last_feed_obj =  transport.responseXML.getElementsByTagName("vgroup-last-feed")[0];
 104
 105                         var headlines_count = headlines_count_obj.getAttribute("value");
 106                         var headlines_unread = headlines_unread_obj.getAttribute("value");
 107                         var disable_cache = disable_cache_obj.getAttribute("value") != "0";
 108
 109                         vgroup_last_feed = vgroup_last_feed_obj.getAttribute("value");
 110
 111                         if (headlines_count == 0) {
 112                                 _infscroll_disable = 1;
 113                         } else {
 114                                 _infscroll_disable = 0;
 115                         }
 116
 117                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 118                         var articles = transport.responseXML.getElementsByTagName("article");
 119                         var runtime_info = transport.responseXML.getElementsByTagName("runtime-info");
 120
 121                         if (feed_cur_page == 0) {
 122                                 if (headlines) {
 123                                         f.innerHTML = headlines.firstChild.nodeValue;
 124
 125                                         var cache_prefix = "";
 126
 127                                         if (is_cat) {
 128                                                 cache_prefix = "C:";
 129                                         } else {
 130                                                 cache_prefix = "F:";
 131                                         }
 132
 133                                         cache_invalidate(cache_prefix + active_feed_id);
 134
 135                                         if (!disable_cache) {
 136                                                 cache_inject(cache_prefix + active_feed_id,
 137                                                         headlines.firstChild.nodeValue, headlines_unread);
 138                                         }
 139
 140                                 } else {
 141                                         debug("headlines_callback: returned no data");
 142                                 f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
 143
 144                                 }
 145                         } else {
 146                                 if (headlines) {
 147                                         if (headlines_count > 0) {
 148                                                 debug("adding some more headlines...");
 149
 150                                                 var c = document.getElementById("headlinesList");
 151
 152                                                 if (!c) {
 153                                                         c = document.getElementById("headlinesInnerContainer");
 154                                                 }
 155
 156                                                 var ids = getSelectedArticleIds2();
 157
 158                                                 c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
 159
 160                                                 debug("restore selected ids: " + ids);
 161
 162                                                 for (var i = 0; i < ids.length; i++) {
 163                                                         markHeadline(ids[i]);
 164                                                 }
 165
 166                                                 subtoolbarSearch();
 167
 168                                         } else {
 169                                                 debug("no new headlines received");
 170                                         }
 171                                 } else {
 172                                         debug("headlines_callback: returned no data");
 173                                         notify_error("Error while trying to load more headlines");
 174                                 }
 175
 176                         }
 177
 178                         if (articles) {
 179                                 for (var i = 0; i < articles.length; i++) {
 180                                         var a_id = articles[i].getAttribute("id");
 181                                         debug("found id: " + a_id);
 182                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 183                                 }
 184                         } else {
 185                                 debug("no cached articles received");
 186                         }
 187
 188                         if (counters) {
 189                                 debug("parsing piggybacked counters: " + counters);
 190                                 parse_counters(counters, false);
 191                         } else {
 192                                 debug("counters container not found in reply, requesting...");
 193                                 request_counters();
 194                         }
 195
 196                         if (runtime_info) {
 197                                 debug("parsing runtime info: " + runtime_info[0]);
 198                                 parse_runtime_info(runtime_info[0]);
 199                         } else {
 200                                 debug("counters container not found in reply");
 201                         }
 202
 203                 } else {
 204                         debug("headlines_callback: returned no XML object");
 205                         f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML object)') + "</div>";
 206                 }
 207
 208                 if (typeof correctPNG != 'undefined') {
 209                         correctPNG();
 210                 }
 211
 212                 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
 213
 214                 if (!document.getElementById("headlinesList") &&
 215                                 getInitParam("cdm_auto_catchup") == 1) {
 216                         debug("starting CDM watchdog");
 217                         _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 218                         _cdm_wd_vishist = new Array();
 219                 } else {
 220                         debug("not in CDM mode or watchdog disabled");
 221                 }
 222
 223                 if (_tag_cdm_scroll) {
 224                         try {
 225                                 document.getElementById("headlinesInnerContainer").scrollTop = _tag_cdm_scroll;
 226                                 _tag_cdm_scroll = false;
 227                                 debug("resetting headlinesInner scrollTop");
 228
 229                         } catch (e) { }
 230                 }
 231
 232                 _feed_cur_page = feed_cur_page;
 233                 _infscroll_request_sent = 0;
 234
 235                 notify("");
 236
 237                 remove_splash();
 238
 239         } catch (e) {
 240                 exception_error("headlines_callback2", e);
 241         }
 242 }
 243
 244 function render_article(article) {
 245         try {
 246                 var f = document.getElementById("content-frame");
 247                 try {
 248                         f.scrollTop = 0;
 249                 } catch (e) { };
 250
 251                 f.innerHTML = article;
 252
 253         } catch (e) {
 254                 exception_error("render_article", e);
 255         }
 256 }
 257
 258 function showArticleInHeadlines(id) {
 259
 260         try {
 261
 262                 cleanSelected("headlinesList");
 263
 264                 var crow = document.getElementById("RROW-" + id);
 265
 266                 if (!crow) return;
 267
 268                 var article_is_unread = crow.className.match("Unread");
 269
 270                 crow.className = crow.className.replace("Unread", "");
 271
 272                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 273
 274                 var upd_img_pic = document.getElementById("FUPDPIC-" + id);
 275
 276                 var cache_prefix = "";
 277
 278                 if (activeFeedIsCat()) {
 279                         cache_prefix = "C:";
 280                 } else {
 281                         cache_prefix = "F:";
 282                 }
 283
 284                 var view_mode = false;
 285
 286                 try {
 287                         view_mode = document.forms['main_toolbar_form'].view_mode;
 288                         view_mode = view_mode[view_mode.selectedIndex].value;
 289                 } catch (e) {
 290                         exception_error("showArticleInHeadlines/viewmode", e, true);
 291                 }
 292
 293                 if (upd_img_pic && upd_img_pic.src.match("updated.png")) {
 294                         upd_img_pic.src = "images/blank_icon.gif";
 295
 296                         cache_invalidate(cache_prefix + getActiveFeedId());
 297
 298                         cache_inject(cache_prefix + getActiveFeedId(),
 299                                 document.getElementById("headlines-frame").innerHTML,
 300                                 get_feed_unread(getActiveFeedId()));
 301
 302                 } else if (article_is_unread && view_mode == "all_articles") {
 303
 304                         cache_invalidate(cache_prefix + getActiveFeedId());
 305
 306                         cache_inject(cache_prefix + getActiveFeedId(),
 307                                 document.getElementById("headlines-frame").innerHTML,
 308                                 get_feed_unread(getActiveFeedId())-1);
 309
 310                 } else if (article_is_unread) {
 311                         cache_invalidate(cache_prefix + getActiveFeedId());
 312                 }
 313
 314                 markHeadline(id);
 315
 316         } catch (e) {
 317                 exception_error("showArticleInHeadlines", e);
 318         }
 319 }
 320
 321 function article_callback2(transport, id, feed_id) {
 322         try {
 323                 debug("article_callback2 " + id);
 324
 325                 if (id != last_requested_article) return;
 326
 327                 if (transport.responseXML) {
 328
 329                         active_real_feed_id = feed_id;
 330                         active_post_id = id;
 331
 332                         showArticleInHeadlines(id);
 333
 334                         var reply = transport.responseXML.firstChild.firstChild;
 335
 336                         var articles = transport.responseXML.getElementsByTagName("article");
 337
 338                         for (var i = 0; i < articles.length; i++) {
 339                                 var a_id = articles[i].getAttribute("id");
 340
 341                                 debug("found id: " + a_id);
 342
 343                                 if (a_id == active_post_id) {
 344                                         debug("active article, rendering...");
 345                                         render_article(articles[i].firstChild.nodeValue);
 346                                 }
 347
 348                                 cache_inject(a_id, articles[i].firstChild.nodeValue);
 349                         }
 350
 351                 } else {
 352                         debug("article_callback: returned no XML object");
 353                         var f = document.getElementById("content-frame");
 354                         f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 355                 }
 356
 357                 var date = new Date();
 358                 last_article_view = date.getTime() / 1000;
 359
 360                 if (typeof correctPNG != 'undefined') {
 361                         correctPNG();
 362                 }
 363
 364                 if (_reload_feedlist_after_view) {
 365                         setTimeout('updateFeedList(false, false)', 50);
 366                         _reload_feedlist_after_view = false;
 367                 } else {
 368                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 369
 370                         if (counters) {
 371                                 debug("parsing piggybacked counters: " + counters);
 372                                 parse_counters(counters, false);
 373                         } else {
 374                                 debug("counters container not found in reply, requesting...");
 375                                 request_counters();
 376                         }
 377                 }
 378
 379                 notify("");
 380         } catch (e) {
 381                 exception_error("article_callback2", e);
 382         }
 383 }
 384
 385 function view(id, feed_id, skip_history) {
 386
 387         try {
 388                 debug("loading article: " + id + "/" + feed_id);
 389
 390                 var cached_article = cache_find(id);
 391
 392                 debug("cache check result: " + (cached_article != false));
 393
 394                 enableHotkeys();
 395
 396                 //setActiveFeedId(feed_id);
 397
 398                 var query = "backend.php?op=view&id=" + param_escape(id) +
 399                         "&feed=" + param_escape(feed_id);
 400
 401                 var date = new Date();
 402
 403                 var neighbor_ids = getRelativePostIds(active_post_id);
 404
 405                 /* only request uncached articles */
 406
 407                 var cids_to_request = Array();
 408
 409                 for (var i = 0; i < neighbor_ids.length; i++) {
 410                         if (!cache_check(neighbor_ids[i])) {
 411                                 cids_to_request.push(neighbor_ids[i]);
 412                         }
 413                 }
 414
 415                 debug("additional ids: " + cids_to_request.toString());
 416
 417                 /* additional info for piggyback counters */
 418
 419                 if (tagsAreDisplayed()) {
 420                         query = query + "&omode=lt";
 421                 } else {
 422                         query = query + "&omode=flc";
 423                 }
 424
 425                 var date = new Date();
 426                 var timestamp = Math.round(date.getTime() / 1000);
 427                 query = query + "&ts=" + timestamp;
 428
 429                 query = query + "&cids=" + cids_to_request.toString();
 430
 431                 var crow = document.getElementById("RROW-" + id);
 432                 var article_is_unread = crow.className.match("Unread");
 433
 434                 if (!cached_article) {
 435
 436                         notify_progress("Loading, please wait...");
 437
 438                 } else if (cached_article && article_is_unread) {
 439
 440                         query = query + "&mode=prefetch";
 441
 442                         showArticleInHeadlines(id);
 443                         render_article(cached_article);
 444
 445                 } else if (cached_article) {
 446
 447                         query = query + "&mode=prefetch_old";
 448                         render_article(cached_article);
 449                         showArticleInHeadlines(id);
 450
 451                 }
 452
 453                 cache_expire();
 454
 455                 last_requested_article = id;
 456
 457                 new Ajax.Request(query, {
 458                         onComplete: function(transport) {
 459                                 article_callback2(transport, id, feed_id);
 460                         } });
 461
 462         } catch (e) {
 463                 exception_error("view", e);
 464         }
 465 }
 466
 467 function tMark(id) {
 468         return toggleMark(id);
 469 }
 470
 471 function tPub(id) {
 472         return togglePub(id);
 473 }
 474
 475 function tMark_afh_off(effect) {
 476         try {
 477                 var elem = effect.effects[0].element;
 478
 479                 debug("tMark_afh_off : " + elem.id);
 480
 481                 if (elem) {
 482                         elem.src = elem.src.replace("mark_set", "mark_unset");
 483                         elem.alt = __("Star article");
 484                         Element.show(elem);
 485                 }
 486
 487         } catch (e) {
 488                 exception_error("tMark_afh_off", e);
 489         }
 490 }
 491
 492 function tPub_afh_off(effect) {
 493         try {
 494                 var elem = effect.effects[0].element;
 495
 496                 debug("tPub_afh_off : " + elem.id);
 497
 498                 if (elem) {
 499                         elem.src = elem.src.replace("pub_set", "pub_unset");
 500                         elem.alt = __("Publish article");
 501                         Element.show(elem);
 502                 }
 503
 504         } catch (e) {
 505                 exception_error("tPub_afh_off", e);
 506         }
 507 }
 508
 509 function toggleMark(id, client_only, no_effects) {
 510
 511         try {
 512
 513                 var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 514
 515                 query = query + "&afid=" + getActiveFeedId();
 516
 517                 if (tagsAreDisplayed()) {
 518                         query = query + "&omode=tl";
 519                 } else {
 520                         query = query + "&omode=flc";
 521                 }
 522
 523                 var mark_img = document.getElementById("FMPIC-" + id);
 524                 var vfeedu = document.getElementById("FEEDU--1");
 525                 var crow = document.getElementById("RROW-" + id);
 526
 527                 if (mark_img.src.match("mark_unset")) {
 528                         mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
 529                         mark_img.alt = __("Unstar article");
 530                         query = query + "&mark=1";
 531
 532                 } else {
 533                         //mark_img.src = "images/mark_unset.png";
 534                         mark_img.alt = __("Please wait...");
 535                         query = query + "&mark=0";
 536
 537                         if (document.getElementById("headlinesList") && !no_effects) {
 538                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 539                         } else {
 540                                 mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
 541                                 mark_img.alt = __("Star article");
 542                         }
 543                 }
 544
 545                 if (!client_only) {
 546                         debug(query);
 547
 548                         new Ajax.Request(query, {
 549                                 onComplete: function(transport) {
 550                                         all_counters_callback2(transport);
 551                                 } });
 552
 553                 }
 554
 555         } catch (e) {
 556                 exception_error("toggleMark", e);
 557         }
 558 }
 559
 560 function togglePub(id, client_only, no_effects) {
 561
 562         try {
 563
 564                 var query = "backend.php?op=rpc&id=" + id + "&subop=publ";
 565
 566                 query = query + "&afid=" + getActiveFeedId();
 567
 568                 if (tagsAreDisplayed()) {
 569                         query = query + "&omode=tl";
 570                 } else {
 571                         query = query + "&omode=flc";
 572                 }
 573
 574                 var mark_img = document.getElementById("FPPIC-" + id);
 575                 var vfeedu = document.getElementById("FEEDU--2");
 576                 var crow = document.getElementById("RROW-" + id);
 577
 578                 if (mark_img.src.match("pub_unset")) {
 579                         mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
 580                         mark_img.alt = __("Unpublish article");
 581                         query = query + "&pub=1";
 582
 583
 584                 } else {
 585                         //mark_img.src = "images/pub_unset.png";
 586                         mark_img.alt = __("Please wait...");
 587                         query = query + "&pub=0";
 588
 589                         if (document.getElementById("headlinesList") && !no_effects) {
 590                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 591                         } else {
 592                                 mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
 593                                 mark_img.alt = __("Publish article");
 594                         }
 595                 }
 596
 597                 if (!client_only) {
 598                         new Ajax.Request(query, {
 599                                 onComplete: function(transport) {
 600                                         all_counters_callback2(transport);
 601                                 } });
 602                 }
 603
 604         } catch (e) {
 605
 606                 exception_error("togglePub", e);
 607         }
 608 }
 609
 610 function correctHeadlinesOffset(id) {
 611
 612         try {
 613
 614                 var hlist = document.getElementById("headlinesList");
 615                 var container = document.getElementById("headlinesInnerContainer");
 616                 var row = document.getElementById("RROW-" + id);
 617
 618                 var viewport = container.offsetHeight;
 619
 620                 var rel_offset_top = row.offsetTop - container.scrollTop;
 621                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 622
 623                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 624                 debug("Vport: " + viewport);
 625
 626                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 627                         container.scrollTop = row.offsetTop;
 628                 } else if (rel_offset_bottom > viewport) {
 629
 630                         /* doesn't properly work with Opera in some cases because
 631                                 Opera fucks up element scrolling */
 632
 633                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 634                 }
 635
 636         } catch (e) {
 637                 exception_error("correctHeadlinesOffset", e);
 638         }
 639
 640 }
 641
 642 function moveToPost(mode) {
 643
 644         try {
 645
 646                 var rows;
 647
 648                 if (isCdmMode()) {
 649                         rows = cdmGetVisibleArticles();
 650                 } else {
 651                         rows = getVisibleHeadlineIds();
 652                 }
 653
 654                 var prev_id = false;
 655                 var next_id = false;
 656
 657                 if (!document.getElementById('RROW-' + active_post_id)) {
 658                         active_post_id = false;
 659                 }
 660
 661                 if (active_post_id == false) {
 662                         next_id = getFirstVisibleHeadlineId();
 663                         prev_id = getLastVisibleHeadlineId();
 664                 } else {
 665                         for (var i = 0; i < rows.length; i++) {
 666                                 if (rows[i] == active_post_id) {
 667                                         prev_id = rows[i-1];
 668                                         next_id = rows[i+1];
 669                                 }
 670                         }
 671                 }
 672
 673                 if (mode == "next") {
 674                         if (next_id) {
 675                                 if (isCdmMode()) {
 676
 677                                         if (!cdmArticleIsActuallyVisible(next_id)) {
 678                                                 cdmScrollToArticleId(next_id);
 679                                         }
 680                                         cdmSelectArticles("none");
 681                                         toggleUnread(next_id, 0, true);
 682                                         toggleSelected(next_id);
 683
 684                                 } else {
 685                                         correctHeadlinesOffset(next_id);
 686                                         view(next_id, getActiveFeedId());
 687                                 }
 688                         }
 689                 }
 690
 691                 if (mode == "prev") {
 692                         if (prev_id) {
 693                                 if (isCdmMode()) {
 694                                         cdmScrollToArticleId(prev_id);
 695                                         cdmSelectArticles("none");
 696                                         toggleUnread(prev_id, 0, true);
 697                                         toggleSelected(prev_id);
 698                                 } else {
 699                                         correctHeadlinesOffset(prev_id);
 700                                         view(prev_id, getActiveFeedId());
 701                                 }
 702                         }
 703                 }
 704
 705         } catch (e) {
 706                 exception_error("moveToPost", e);
 707         }
 708 }
 709
 710 function toggleSelected(id) {
 711         try {
 712
 713                 var cb = document.getElementById("RCHK-" + id);
 714
 715                 var row = document.getElementById("RROW-" + id);
 716                 if (row) {
 717                         var nc = row.className;
 718
 719                         if (!nc.match("Selected")) {
 720                                 nc = nc + "Selected";
 721                                 if (cb) {
 722                                         cb.checked = true;
 723                                 }
 724
 725                                 // In CDM basically last selected article == active article
 726                                 if (isCdmMode()) active_post_id = id;
 727                         } else {
 728                                 nc = nc.replace("Selected", "");
 729                                 if (cb) {
 730                                         cb.checked = false;
 731                                 }
 732
 733                         }
 734
 735                         row.className = nc;
 736                 }
 737         } catch (e) {
 738                 exception_error("toggleSelected", e);
 739         }
 740 }
 741
 742 function toggleUnread_afh(effect) {
 743         try {
 744
 745                 var elem = effect.element;
 746                 elem.style.backgroundColor = "";
 747
 748         } catch (e) {
 749                 exception_error("toggleUnread_afh", e);
 750         }
 751 }
 752
 753 function toggleUnread(id, cmode, effect) {
 754         try {
 755
 756                 var row = document.getElementById("RROW-" + id);
 757                 if (row) {
 758                         var nc = row.className;
 759                         var is_selected = row.className.match("Selected");
 760                         nc = nc.replace("Unread", "");
 761                         nc = nc.replace("Selected", "");
 762
 763                         // since we are removing selection from the object, uncheck
 764                         // corresponding checkbox
 765
 766                         var cb = document.getElementById("RCHK-" + id);
 767                         if (cb) {
 768                                 cb.checked = false;
 769                         }
 770
 771                         // NOTE: I'm not sure that resetting selection here is a feature -fox
 772
 773                         if (cmode == undefined || cmode == 2) {
 774                                 if (row.className.match("Unread")) {
 775                                         row.className = nc;
 776
 777                                         if (effect) {
 778                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 779                                                         afterFinish: toggleUnread_afh,
 780                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 781                                         }
 782
 783                                 } else {
 784                                         row.className = nc + "Unread";
 785                                 }
 786                         } else if (cmode == 0) {
 787                                 row.className = nc;
 788
 789                                 if (effect) {
 790                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 791                                                 afterFinish: toggleUnread_afh,
 792                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 793                                 }
 794                         } else if (cmode == 1) {
 795                                 row.className = nc + "Unread";
 796                         }
 797
 798                         // Disable unmarking as selected for the time being (16.05.08) -fox
 799                         if (is_selected) row.className = row.className + "Selected";
 800
 801                         if (cmode == undefined) cmode = 2;
 802
 803                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 804                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 805
 806 //                      notify_progress("Loading, please wait...");
 807
 808                         new Ajax.Request(query, {
 809                                 onComplete: function(transport) {
 810                                         all_counters_callback2(transport);
 811                                 } });
 812
 813                 }
 814
 815
 816         } catch (e) {
 817                 exception_error("toggleUnread", e);
 818         }
 819 }
 820
 821 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
 822         try {
 823                 var rows;
 824
 825                 if (cdm_mode) {
 826                         rows = cdmGetSelectedArticles();
 827                 } else {
 828                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 829                 }
 830
 831                 if (rows.length == 0 && !no_error) {
 832                         alert(__("No articles are selected."));
 833                         return;
 834                 }
 835
 836                 for (i = 0; i < rows.length; i++) {
 837                         var row = document.getElementById("RROW-" + rows[i]);
 838                         if (row) {
 839                                 var nc = row.className;
 840                                 nc = nc.replace("Unread", "");
 841                                 nc = nc.replace("Selected", "");
 842
 843                                 if (set_state == undefined) {
 844                                         if (row.className.match("Unread")) {
 845                                                 row.className = nc + "Selected";
 846                                         } else {
 847                                                 row.className = nc + "UnreadSelected";
 848                                         }
 849                                 }
 850
 851                                 if (set_state == false) {
 852                                         row.className = nc + "Selected";
 853                                 }
 854
 855                                 if (set_state == true) {
 856                                         row.className = nc + "UnreadSelected";
 857                                 }
 858                         }
 859                 }
 860
 861                 if (rows.length > 0) {
 862
 863                         var cmode = "";
 864
 865                         if (set_state == undefined) {
 866                                 cmode = "2";
 867                         } else if (set_state == true) {
 868                                 cmode = "1";
 869                         } else if (set_state == false) {
 870                                 cmode = "0";
 871                         }
 872
 873                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 874                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 875
 876                         notify_progress("Loading, please wait...");
 877
 878                         new Ajax.Request(query, {
 879                                 onComplete: function(transport) {
 880                                         catchup_callback2(transport, callback_func);
 881                                 } });
 882
 883                 }
 884
 885         } catch (e) {
 886                 exception_error("selectionToggleUnread", e);
 887         }
 888 }
 889
 890 function selectionToggleMarked(cdm_mode) {
 891         try {
 892
 893                 var rows;
 894
 895                 if (cdm_mode) {
 896                         rows = cdmGetSelectedArticles();
 897                 } else {
 898                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 899                 }
 900
 901                 if (rows.length == 0) {
 902                         alert(__("No articles are selected."));
 903                         return;
 904                 }
 905
 906                 for (i = 0; i < rows.length; i++) {
 907                         toggleMark(rows[i], true, true);
 908                 }
 909
 910                 if (rows.length > 0) {
 911
 912                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 913                                 param_escape(rows.toString()) + "&cmode=2";
 914
 915                         query = query + "&afid=" + getActiveFeedId();
 916
 917 /*                      if (tagsAreDisplayed()) {
 918                                 query = query + "&omode=tl";
 919                         } else {
 920                                 query = query + "&omode=flc";
 921                         } */
 922
 923                         query = query + "&omode=lc";
 924
 925                         new Ajax.Request(query, {
 926                                 onComplete: function(transport) {
 927                                         all_counters_callback2(transport);
 928                                 } });
 929
 930                 }
 931
 932         } catch (e) {
 933                 exception_error("selectionToggleMarked", e);
 934         }
 935 }
 936
 937 function selectionTogglePublished(cdm_mode) {
 938         try {
 939
 940                 var rows;
 941
 942                 if (cdm_mode) {
 943                         rows = cdmGetSelectedArticles();
 944                 } else {
 945                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 946                 }
 947
 948                 if (rows.length == 0) {
 949                         alert(__("No articles are selected."));
 950                         return;
 951                 }
 952
 953                 for (i = 0; i < rows.length; i++) {
 954                         togglePub(rows[i], true, true);
 955                 }
 956
 957                 if (rows.length > 0) {
 958
 959                         var query = "backend.php?op=rpc&subop=publishSelected&ids=" +
 960                                 param_escape(rows.toString()) + "&cmode=2";
 961
 962                         query = query + "&afid=" + getActiveFeedId();
 963
 964 /*                      if (tagsAreDisplayed()) {
 965                                 query = query + "&omode=tl";
 966                         } else {
 967                                 query = query + "&omode=flc";
 968                         } */
 969
 970                         query = query + "&omode=lc";
 971
 972                         new Ajax.Request(query, {
 973                                 onComplete: function(transport) {
 974                                         all_counters_callback2(transport);
 975                                 } });
 976
 977                 }
 978
 979         } catch (e) {
 980                 exception_error("selectionToggleMarked", e);
 981         }
 982 }
 983
 984 function cdmGetSelectedArticles() {
 985         var sel_articles = new Array();
 986         var container = document.getElementById("headlinesInnerContainer");
 987
 988         for (i = 0; i < container.childNodes.length; i++) {
 989                 var child = container.childNodes[i];
 990
 991                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 992                         var c_id = child.id.replace("RROW-", "");
 993                         sel_articles.push(c_id);
 994                 }
 995         }
 996
 997         return sel_articles;
 998 }
 999
1000 function cdmGetVisibleArticles() {
1001         var sel_articles = new Array();
1002         var container = document.getElementById("headlinesInnerContainer");
1003
1004         if (!container) return sel_articles;
1005
1006         for (i = 0; i < container.childNodes.length; i++) {
1007                 var child = container.childNodes[i];
1008
1009                 if (child.id.match("RROW-")) {
1010                         var c_id = child.id.replace("RROW-", "");
1011                         sel_articles.push(c_id);
1012                 }
1013         }
1014
1015         return sel_articles;
1016 }
1017
1018 function cdmGetUnreadArticles() {
1019         var sel_articles = new Array();
1020         var container = document.getElementById("headlinesInnerContainer");
1021
1022         for (i = 0; i < container.childNodes.length; i++) {
1023                 var child = container.childNodes[i];
1024
1025                 if (child.id.match("RROW-") && child.className.match("Unread")) {
1026                         var c_id = child.id.replace("RROW-", "");
1027                         sel_articles.push(c_id);
1028                 }
1029         }
1030
1031         return sel_articles;
1032 }
1033
1034
1035 // mode = all,none,unread
1036 function cdmSelectArticles(mode) {
1037         var container = document.getElementById("headlinesInnerContainer");
1038
1039         for (i = 0; i < container.childNodes.length; i++) {
1040                 var child = container.childNodes[i];
1041
1042                 if (child.id.match("RROW-")) {
1043                         var aid = child.id.replace("RROW-", "");
1044
1045                         var cb = document.getElementById("RCHK-" + aid);
1046
1047                         if (mode == "all") {
1048                                 if (!child.className.match("Selected")) {
1049                                         child.className = child.className + "Selected";
1050                                         cb.checked = true;
1051                                 }
1052                         } else if (mode == "unread") {
1053                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
1054                                         child.className = child.className + "Selected";
1055                                         cb.checked = true;
1056                                 }
1057                         } else {
1058                                 child.className = child.className.replace("Selected", "");
1059                                 cb.checked = false;
1060                         }
1061                 }
1062         }
1063 }
1064
1065 function catchupPage() {
1066
1067         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
1068
1069         var str = __("Mark all visible articles in %s as read?");
1070
1071         str = str.replace("%s", fn);
1072
1073         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1074                 return;
1075         }
1076
1077         if (document.getElementById("headlinesList")) {
1078                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
1079                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
1080                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
1081         } else {
1082                 cdmSelectArticles('all');
1083                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
1084                 cdmSelectArticles('none');
1085         }
1086 }
1087
1088 function catchupSelection() {
1089
1090         try {
1091
1092                 var rows;
1093
1094                 if (document.getElementById("headlinesList")) {
1095                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
1096                 } else {
1097                         rows = cdmGetSelectedArticles();
1098                 }
1099
1100                 if (rows.length == 0) {
1101                         alert(__("No articles are selected."));
1102                         return;
1103                 }
1104
1105
1106                 var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
1107
1108                 var str = __("Mark %d selected articles in %s as read?");
1109
1110                 str = str.replace("%d", rows.length);
1111                 str = str.replace("%s", fn);
1112
1113                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1114                         return;
1115                 }
1116
1117                 if (document.getElementById("headlinesList")) {
1118                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
1119         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
1120                 } else {
1121                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
1122         //              cdmSelectArticles('none');
1123                 }
1124
1125         } catch (e) {
1126                 exception_error("catchupSelection", e);
1127         }
1128 }
1129
1130
1131 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
1132
1133         if (!xmlhttp_ready(xmlhttp_rpc)) {
1134                 printLockingError();
1135         }
1136
1137         var title = prompt(__("Please enter label title:"), "");
1138
1139         if (title) {
1140
1141                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
1142                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
1143                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
1144                         "&title=" + param_escape(title);
1145
1146                 debug("LFS: " + query);
1147
1148                 new Ajax.Request(query, {
1149                         onComplete: function(transport) {
1150                                         dlg_frefresh_callback(transport);
1151                                 } });
1152         }
1153 }
1154
1155 function editArticleTags(id, feed_id, cdm_enabled) {
1156         _tag_active_post_id = id;
1157         _tag_active_feed_id = feed_id;
1158         _tag_active_cdm = cdm_enabled;
1159
1160         cache_invalidate(id);
1161
1162         try {
1163                 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
1164         } catch (e) { }
1165         displayDlg('editArticleTags', id);
1166 }
1167
1168
1169 function tag_saved_callback(transport) {
1170         try {
1171                 debug("in tag_saved_callback");
1172
1173                 closeInfoBox();
1174                 notify("");
1175
1176                 if (tagsAreDisplayed()) {
1177                         _reload_feedlist_after_view = true;
1178                 }
1179
1180                 if (!_tag_active_cdm) {
1181                         if (active_post_id == _tag_active_post_id) {
1182                                 debug("reloading current article");
1183                                 view(_tag_active_post_id, _tag_active_feed_id);
1184                         }
1185                 } else {
1186                         debug("reloading current feed");
1187                         viewCurrentFeed();
1188                 }
1189
1190         } catch (e) {
1191                 exception_error("catchup_callback", e);
1192         }
1193 }
1194
1195 function editTagsSave() {
1196
1197         notify_progress("Saving article tags...");
1198
1199         var form = document.forms["tag_edit_form"];
1200
1201         var query = Form.serialize("tag_edit_form");
1202
1203         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
1204
1205         debug(query);
1206
1207         new Ajax.Request(query, {
1208                 onComplete: function(transport) {
1209                                 tag_saved_callback(transport);
1210                         } });
1211
1212 }
1213
1214 function editTagsInsert() {
1215         try {
1216
1217                 var form = document.forms["tag_edit_form"];
1218
1219                 var found_tags = form.found_tags;
1220                 var tags_str = form.tags_str;
1221
1222                 var tag = found_tags[found_tags.selectedIndex].value;
1223
1224                 if (tags_str.value.length > 0 &&
1225                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1226
1227                         tags_str.value = tags_str.value + ", ";
1228                 }
1229
1230                 tags_str.value = tags_str.value + tag + ", ";
1231
1232                 found_tags.selectedIndex = 0;
1233
1234         } catch (e) {
1235                 exception_error("editTagsInsert", e);
1236         }
1237 }
1238
1239 function cdmScrollViewport(where) {
1240         debug("cdmScrollViewport: " + where);
1241
1242         var ctr = document.getElementById("headlinesInnerContainer");
1243
1244         if (!ctr) return;
1245
1246         if (where == "bottom") {
1247                 ctr.scrollTop = ctr.scrollHeight;
1248         } else {
1249                 ctr.scrollTop = where;
1250         }
1251 }
1252
1253 function cdmArticleIsBelowViewport(id) {
1254         try {
1255                 var ctr = document.getElementById("headlinesInnerContainer");
1256                 var e = document.getElementById("RROW-" + id);
1257
1258                 if (!e || !ctr) return;
1259
1260                 // article starts below viewport
1261
1262                 if (ctr.scrollTop < e.offsetTop) {
1263                         return true;
1264                 } else {
1265                         return false;
1266                 }
1267
1268         } catch (e) {
1269                 exception_error("cdmArticleIsVisible", e);
1270         }
1271 }
1272
1273 function cdmArticleIsAboveViewport(id) {
1274         try {
1275                 var ctr = document.getElementById("headlinesInnerContainer");
1276                 var e = document.getElementById("RROW-" + id);
1277
1278                 if (!e || !ctr) return;
1279
1280                 // article starts above viewport
1281
1282                 if (ctr.scrollTop > e.offsetTop + e.offsetHeight) {
1283                         return true;
1284                 } else {
1285                         return false;
1286                 }
1287
1288         } catch (e) {
1289                 exception_error("cdmArticleIsVisible", e);
1290         }
1291 }
1292
1293 function cdmScrollToArticleId(id) {
1294         try {
1295                 var ctr = document.getElementById("headlinesInnerContainer");
1296                 var e = document.getElementById("RROW-" + id);
1297
1298                 if (!e || !ctr) return;
1299
1300                 ctr.scrollTop = e.offsetTop;
1301
1302         } catch (e) {
1303                 exception_error("cdmScrollToArticleId", e);
1304         }
1305 }
1306
1307 function cdmArticleIsActuallyVisible(id) {
1308         try {
1309                 var ctr = document.getElementById("headlinesInnerContainer");
1310                 var e = document.getElementById("RROW-" + id);
1311
1312                 if (!e || !ctr) return;
1313
1314                 // article fits in viewport OR article is longer than viewport and
1315                 // its bottom is visible
1316
1317                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1318                                 ctr.scrollTop + ctr.offsetHeight) {
1319
1320                         return true;
1321
1322                 } else if (e.offsetHeight > ctr.offsetHeight &&
1323                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1324                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1325
1326                         return true;
1327
1328                 }
1329
1330                 return false;
1331
1332         } catch (e) {
1333                 exception_error("cdmArticleIsVisible", e);
1334         }
1335 }
1336
1337 function cdmWatchdog() {
1338
1339         try {
1340
1341                 var ctr = document.getElementById("headlinesInnerContainer");
1342
1343                 if (!ctr) return;
1344
1345                 var ids = new Array();
1346
1347                 var e = ctr.firstChild;
1348
1349                 while (e) {
1350                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1351                                         e.id.match("RROW-")) {
1352
1353                                 // article fits in viewport OR article is longer than viewport and
1354                                 // its bottom is visible
1355
1356                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1357                                                 ctr.scrollTop + ctr.offsetHeight) {
1358
1359 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1360 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1361 //                                              (ctr.scrollTop + ctr.offsetHeight));
1362
1363                                         ids.push(e.id.replace("RROW-", ""));
1364
1365                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1366                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1367                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1368
1369                                         ids.push(e.id.replace("RROW-", ""));
1370
1371                                 }
1372
1373                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1374
1375 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1376                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1377
1378                                         ids.push(e.id.replace("RROW-", ""));
1379
1380                                 } */
1381
1382                         }
1383
1384                         e = e.nextSibling;
1385                 }
1386
1387                 debug("cdmWatchdog, ids= " + ids.toString());
1388
1389                 if (ids.length > 0) {
1390
1391                         for (var i = 0; i < ids.length; i++) {
1392                                 var e = document.getElementById("RROW-" + ids[i]);
1393                                 if (e) {
1394                                         e.className = e.className.replace("Unread", "");
1395                                 }
1396                         }
1397
1398                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1399                                 param_escape(ids.toString()) + "&cmode=0";
1400
1401                         new Ajax.Request(query, {
1402                                 onComplete: function(transport) {
1403                                         all_counters_callback2(transport);
1404                                 } });
1405
1406                 }
1407
1408                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1409
1410         } catch (e) {
1411                 exception_error("cdmWatchdog", e);
1412         }
1413
1414 }
1415
1416
1417 function cache_inject(id, article, param) {
1418         if (!cache_check_param(id, param)) {
1419                 debug("cache_article: miss: " + id + " [p=" + param + "]");
1420
1421                 var cache_obj = new Array();
1422
1423                 cache_obj["id"] = id;
1424                 cache_obj["data"] = article;
1425                 cache_obj["param"] = param;
1426
1427                 article_cache.push(cache_obj);
1428
1429         } else {
1430                 debug("cache_article: hit: " + id + " [p=" + param + "]");
1431         }
1432 }
1433
1434 function cache_find(id) {
1435         for (var i = 0; i < article_cache.length; i++) {
1436                 if (article_cache[i]["id"] == id) {
1437                         return article_cache[i]["data"];
1438                 }
1439         }
1440         return false;
1441 }
1442
1443 function cache_find_param(id, param) {
1444         for (var i = 0; i < article_cache.length; i++) {
1445                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1446                         return article_cache[i]["data"];
1447                 }
1448         }
1449         return false;
1450 }
1451
1452 function cache_check(id) {
1453         for (var i = 0; i < article_cache.length; i++) {
1454                 if (article_cache[i]["id"] == id) {
1455                         return true;
1456                 }
1457         }
1458         return false;
1459 }
1460
1461 function cache_check_param(id, param) {
1462         for (var i = 0; i < article_cache.length; i++) {
1463
1464 //              debug("cache_check_param " + article_cache[i]["id"] + ":" +
1465 //                      article_cache[i]["param"] + " vs " + id + ":" + param);
1466
1467                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1468                         return true;
1469                 }
1470         }
1471         return false;
1472 }
1473
1474 function cache_expire() {
1475         while (article_cache.length > 25) {
1476                 article_cache.shift();
1477         }
1478 }
1479
1480 function cache_empty() {
1481         article_cache = new Array();
1482 }
1483
1484 function cache_invalidate(id) {
1485         var i = 0
1486
1487         try {
1488
1489                 while (i < article_cache.length) {
1490                         if (article_cache[i]["id"] == id) {
1491                                 debug("cache_invalidate: removed id " + id);
1492                                 article_cache.splice(i, 1);
1493                                 return true;
1494                         }
1495                         i++;
1496                 }
1497                 debug("cache_invalidate: id not found: " + id);
1498                 return false;
1499         } catch (e) {
1500                 exception_error("cache_invalidate", e);
1501         }
1502 }
1503
1504 function getActiveArticleId() {
1505         return active_post_id;
1506 }
1507
1508 function cdmClicked(elem) {
1509         try {
1510                 if (elem.id && elem.id.match("RROW-")) {
1511                         var id = elem.id.replace("RROW-", "");
1512                         active_post_id = id;
1513
1514                         cdmSelectArticles("none");
1515                         toggleUnread(id, 0, true);
1516                         toggleSelected(id);
1517
1518                 }
1519         } catch (e) {
1520                 exception_error("cdmClicked", e);
1521         }
1522 }
1523
1524 function preload_article_callback(transport) {
1525         try {
1526                 if (transport.responseXML) {
1527                         var articles = transport.responseXML.getElementsByTagName("article");
1528
1529                         for (var i = 0; i < articles.length; i++) {
1530                                 var id = articles[i].getAttribute("id");
1531                                 if (!cache_check(id)) {
1532                                         cache_inject(id, articles[i].firstChild.nodeValue);
1533                                         debug("preloaded article: " + id);
1534                                 }
1535                         }
1536                 }
1537         } catch (e) {
1538                 exception_error("preload_article_callback", e);
1539         }
1540 }
1541
1542 function preloadArticleUnderPointer(id) {
1543         try {
1544                 if (post_under_pointer == id && !cache_check(id)) {
1545
1546                         debug("trying to preload article " + id);
1547
1548                         var neighbor_ids = getRelativePostIds(id, 1);
1549
1550                         /* only request uncached articles */
1551
1552                         var cids_to_request = Array();
1553
1554                         for (var i = 0; i < neighbor_ids.length; i++) {
1555                                 if (!cache_check(neighbor_ids[i])) {
1556                                         cids_to_request.push(neighbor_ids[i]);
1557                                 }
1558                         }
1559                         debug("additional ids: " + cids_to_request.toString());
1560
1561                         cids_to_request.push(id);
1562
1563                         var query = "backend.php?op=rpc&subop=getArticles&ids=" +
1564                                 cids_to_request.toString();
1565                         new Ajax.Request(query, {
1566                                 onComplete: function(transport) {
1567                                         preload_article_callback(transport);
1568                         } });
1569                 }
1570         } catch (e) {
1571                 exception_error("preloadArticleUnderPointer", e);
1572         }
1573 }
1574
1575 function postMouseIn(id) {
1576         try {
1577                 if (post_under_pointer != id) {
1578                         post_under_pointer = id;
1579                         if (!isCdmMode()) {
1580                                 window.setTimeout("preloadArticleUnderPointer(" + id + ")", 250);
1581                         }
1582                 }
1583
1584         } catch (e) {
1585                 exception_error("postMouseIn", e);
1586         }
1587 }
1588
1589 function postMouseOut(id) {
1590         try {
1591                 post_under_pointer = false;
1592         } catch (e) {
1593                 exception_error("postMouseOut", e);
1594         }
1595 }
1596
1597 function headlines_scroll_handler() {
1598         try {
1599
1600                 var e = document.getElementById("headlinesInnerContainer");
1601
1602                 // don't do infinite scrolling when Limit == All
1603
1604                 var toolbar_form = document.forms["main_toolbar_form"];
1605
1606                 var limit = toolbar_form.limit[toolbar_form.limit.selectedIndex];
1607                 if (limit.value != 0) {
1608
1609                         debug((e.scrollTop + e.offsetHeight) + " vs " + e.scrollHeight + " dis? " +
1610                                 _infscroll_disable);
1611
1612                         if (e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
1613                                 if (!_infscroll_disable) {
1614                                         debug("more cowbell!");
1615                                         viewNextFeedPage();
1616                                 }
1617                         }
1618                 }
1619
1620         } catch (e) {
1621                 exception_error("headlines_scroll_handler", e);
1622         }
1623 }
1624
1625 function catchupRelativeToArticle(below) {
1626
1627         try {
1628
1629                 if (!xmlhttp_ready(xmlhttp_rpc)) {
1630                         printLockingError();
1631                 }
1632
1633                 if (!getActiveArticleId()) {
1634                         alert(__("No article is selected."));
1635                         return;
1636                 }
1637
1638                 var visible_ids;
1639
1640                 if (document.getElementById("headlinesList")) {
1641                         visible_ids = getVisibleHeadlineIds();
1642                 } else {
1643                         visible_ids = cdmGetVisibleArticles();
1644                 }
1645
1646                 var ids_to_mark = new Array();
1647
1648                 if (!below) {
1649                         for (var i = 0; i < visible_ids.length; i++) {
1650                                 if (visible_ids[i] != getActiveArticleId()) {
1651                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1652
1653                                         if (e && e.className.match("Unread")) {
1654                                                 ids_to_mark.push(visible_ids[i]);
1655                                         }
1656                                 } else {
1657                                         break;
1658                                 }
1659                         }
1660                 } else {
1661                         for (var i = visible_ids.length-1; i >= 0; i--) {
1662                                 if (visible_ids[i] != getActiveArticleId()) {
1663                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1664
1665                                         if (e && e.className.match("Unread")) {
1666                                                 ids_to_mark.push(visible_ids[i]);
1667                                         }
1668                                 } else {
1669                                         break;
1670                                 }
1671                         }
1672                 }
1673
1674                 if (ids_to_mark.length == 0) {
1675                         alert(__("No articles found to mark"));
1676                 } else {
1677                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1678
1679                         if (confirm(msg)) {
1680
1681                                 for (var i = 0; i < ids_to_mark.length; i++) {
1682                                         var e = document.getElementById("RROW-" + ids_to_mark[i]);
1683                                         e.className = e.className.replace("Unread", "");
1684                                 }
1685
1686                                 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1687                                         param_escape(ids_to_mark.toString()) + "&cmode=0";
1688
1689                                 new Ajax.Request(query, {
1690                                         onComplete: function(transport) {
1691                                                 catchup_callback2(transport);
1692                                         } });
1693
1694                         }
1695                 }
1696
1697         } catch (e) {
1698                 exception_error("catchupRelativeToArticle", e);
1699         }
1700 }
1701
1702 function cdmExpandArticle(a_id) {
1703         try {
1704                 var id = 'CICD-' + a_id;
1705
1706                 Effect.Appear(id, {duration : 0.5,
1707                         beforeStart: function(effect) {
1708                                 var h_id = 'CICH-' + a_id;
1709                                 var h_elem = document.getElementById(h_id);
1710                                 if (h_elem) { h_elem.style.display = "none"; }
1711
1712                                 toggleUnread(a_id, 0);
1713                         }});
1714
1715
1716         } catch (e) {
1717                 exception_error("appearBlockElementF", e);
1718         }
1719
1720 }
1721
1722 function fixHeadlinesOrder(ids) {
1723         try {
1724                 for (var i = 0; i < ids.length; i++) {
1725                         var e = document.getElementById("RROW-" + ids[i]);
1726
1727                         if (e) {
1728                                 if (i % 2 == 0) {
1729                                         e.className = e.className.replace("even", "odd");
1730                                 } else {
1731                                         e.className = e.className.replace("odd", "even");
1732                                 }
1733                         }
1734                 }
1735         } catch (e) {
1736                 exception_error("fixHeadlinesOrder", e);
1737         }
1738 }
1739
1740 function subtoolbarSearch() {
1741         try {
1742
1743                 var q = document.getElementById("subtoolbar_search_box");
1744
1745                 if (!q) return;
1746
1747                 q = q.value.toUpperCase();
1748
1749                 var ids = false;
1750                 var vis_ids = new Array();
1751
1752                 if (document.getElementById("headlinesList")) {
1753                         ids = getVisibleHeadlineIds();
1754                 } else {
1755                         ids = cdmGetVisibleArticles();
1756                 }
1757
1758                 for (var i = 0; i < ids.length; i++) {
1759                         var title = document.getElementById("RTITLE-" + ids[i]);
1760
1761                         if (title) {
1762                                 if (!title.innerHTML.toUpperCase().match(q)) {
1763                                         Element.hide(document.getElementById("RROW-" + ids[i]));
1764                                 } else {
1765                                         Element.show(document.getElementById("RROW-" + ids[i]));
1766                                         vis_ids.push(ids[i]);
1767                                 }
1768                         }
1769                 }
1770
1771                 fixHeadlinesOrder(vis_ids);
1772
1773         } catch (e) {
1774                 exception_error("subtoolbarSearch", e);
1775         }
1776 }
1777
1778 function getArticleUnderPointer() {
1779         return post_under_pointer;
1780 }