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