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
  22 function catchup_callback() {
  23         if (xmlhttp_rpc.readyState == 4) {
  24                 try {
  25                         debug("catchup_callback");
  26                         notify("");
  27                         all_counters_callback2(xmlhttp_rpc);
  28                         if (_catchup_callback_func) {
  29                                 setTimeout(_catchup_callback_func, 10);
  30                         }
  31                 } catch (e) {
  32                         exception_error("catchup_callback", e);
  33                 }
  34         }
  35 }
  36
  37 function catchup_callback2(transport, callback) {
  38         try {
  39                 debug("catchup_callback2 " + transport + ", " + callback);
  40                 notify("");
  41                 all_counters_callback2(transport);
  42                 if (callback) {
  43                         setTimeout(callback, 10);
  44                 }
  45         } catch (e) {
  46                 exception_error("catchup_callback2", e);
  47         }
  48 }
  49
  50 function clean_feed_selections() {
  51         try {
  52                 var feeds = document.getElementById("feedList").getElementsByTagName("LI");
  53
  54                 for (var i = 0; i < feeds.length; i++) {
  55                         if (feeds[i].id && feeds[i].id.match("FEEDR-")) {
  56                                 feeds[i].className = feeds[i].className.replace("Selected", "");
  57                         }
  58                 }
  59         } catch (e) {
  60                 exception_error("clean_feed_selections", e);
  61         }
  62 }
  63
  64 function headlines_callback2(transport, active_feed_id, is_cat, feed_cur_page) {
  65         try {
  66
  67                 debug("headlines_callback2 [page=" + feed_cur_page + "]");
  68
  69                 clean_feed_selections();
  70
  71                 setActiveFeedId(active_feed_id);
  72
  73                 if (is_cat != undefined) {
  74                         active_feed_is_cat = is_cat;
  75                 }
  76
  77                 if (!is_cat) {
  78                         var feedr = document.getElementById("FEEDR-" + active_feed_id);
  79                         if (feedr && !feedr.className.match("Selected")) {
  80                                 feedr.className = feedr.className + "Selected";
  81                         }
  82                 }
  83
  84                 var f = document.getElementById("headlines-frame");
  85                 try {
  86                         if (feed_cur_page == 0) {
  87                                 debug("resetting headlines scrollTop");
  88                                 f.scrollTop = 0;
  89                         }
  90                 } catch (e) { };
  91
  92                 if (transport.responseXML) {
  93                         var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
  94                         var headlines_count_obj = transport.responseXML.getElementsByTagName("headlines-count")[0];
  95                         var headlines_unread_obj = transport.responseXML.getElementsByTagName("headlines-unread")[0];
  96                         var disable_cache_obj = transport.responseXML.getElementsByTagName("disable-cache")[0];
  97
  98                         var vgroup_last_feed_obj =  transport.responseXML.getElementsByTagName("vgroup-last-feed")[0];
  99
 100                         var headlines_count = headlines_count_obj.getAttribute("value");
 101                         var headlines_unread = headlines_unread_obj.getAttribute("value");
 102                         var disable_cache = disable_cache_obj.getAttribute("value") != "0";
 103
 104                         vgroup_last_feed = vgroup_last_feed_obj.getAttribute("value");
 105
 106                         if (headlines_count == 0) {
 107                                 _infscroll_disable = 1;
 108                         } else {
 109                                 _infscroll_disable = 0;
 110                         }
 111
 112                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 113                         var articles = transport.responseXML.getElementsByTagName("article");
 114                         var runtime_info = transport.responseXML.getElementsByTagName("runtime-info");
 115
 116                         if (feed_cur_page == 0) {
 117                                 if (headlines) {
 118                                         f.innerHTML = headlines.firstChild.nodeValue;
 119
 120                                         var cache_prefix = "";
 121
 122                                         if (is_cat) {
 123                                                 cache_prefix = "C:";
 124                                         } else {
 125                                                 cache_prefix = "F:";
 126                                         }
 127
 128                                         cache_invalidate(cache_prefix + active_feed_id);
 129
 130                                         if (!disable_cache) {
 131                                                 cache_inject(cache_prefix + active_feed_id,
 132                                                         headlines.firstChild.nodeValue, headlines_unread);
 133                                         }
 134
 135                                 } else {
 136                                         debug("headlines_callback: returned no data");
 137                                 f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
 138
 139                                 }
 140                         } else {
 141                                 if (headlines) {
 142                                         if (headlines_count > 0) {
 143                                                 debug("adding some more headlines...");
 144
 145                                                 var c = document.getElementById("headlinesList");
 146
 147                                                 if (!c) {
 148                                                         c = document.getElementById("headlinesInnerContainer");
 149                                                 }
 150
 151                                                 var ids = getSelectedArticleIds2();
 152
 153                                                 c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
 154
 155                                                 debug("restore selected ids: " + ids);
 156
 157                                                 for (var i = 0; i < ids.length; i++) {
 158                                                         markHeadline(ids[i]);
 159                                                 }
 160
 161                                                 subtoolbarSearch();
 162
 163                                         } else {
 164                                                 debug("no new headlines received");
 165                                         }
 166                                 } else {
 167                                         debug("headlines_callback: returned no data");
 168                                         notify_error("Error while trying to load more headlines");
 169                                 }
 170
 171                         }
 172
 173                         if (articles) {
 174                                 for (var i = 0; i < articles.length; i++) {
 175                                         var a_id = articles[i].getAttribute("id");
 176                                         debug("found id: " + a_id);
 177                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 178                                 }
 179                         } else {
 180                                 debug("no cached articles received");
 181                         }
 182
 183                         if (counters) {
 184                                 debug("parsing piggybacked counters: " + counters);
 185                                 parse_counters(counters, false);
 186                         } else {
 187                                 debug("counters container not found in reply");
 188                         }
 189
 190                         if (runtime_info) {
 191                                 debug("parsing runtime info: " + runtime_info[0]);
 192                                 parse_runtime_info(runtime_info[0]);
 193                         } else {
 194                                 debug("counters container not found in reply");
 195                         }
 196
 197                 } else {
 198                         debug("headlines_callback: returned no XML object");
 199                         f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML object)') + "</div>";
 200                 }
 201
 202                 if (typeof correctPNG != 'undefined') {
 203                         correctPNG();
 204                 }
 205
 206                 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
 207
 208                 if (!document.getElementById("headlinesList") &&
 209                                 getInitParam("cdm_auto_catchup") == 1) {
 210                         debug("starting CDM watchdog");
 211                         _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 212                         _cdm_wd_vishist = new Array();
 213                 } else {
 214                         debug("not in CDM mode or watchdog disabled");
 215                 }
 216
 217                 if (_tag_cdm_scroll) {
 218                         try {
 219                                 document.getElementById("headlinesInnerContainer").scrollTop = _tag_cdm_scroll;
 220                                 _tag_cdm_scroll = false;
 221                                 debug("resetting headlinesInner scrollTop");
 222
 223                         } catch (e) { }
 224                 }
 225
 226                 _feed_cur_page = feed_cur_page;
 227                 _infscroll_request_sent = 0;
 228
 229                 notify("");
 230         } catch (e) {
 231                 exception_error("headlines_callback2", e);
 232         }
 233 }
 234
 235 function render_article(article) {
 236         try {
 237                 var f = document.getElementById("content-frame");
 238                 try {
 239                         f.scrollTop = 0;
 240                 } catch (e) { };
 241
 242                 f.innerHTML = article;
 243
 244         } catch (e) {
 245                 exception_error("render_article", e);
 246         }
 247 }
 248
 249 function showArticleInHeadlines(id) {
 250
 251         try {
 252
 253                 cleanSelected("headlinesList");
 254
 255                 var crow = document.getElementById("RROW-" + id);
 256
 257                 if (!crow) return;
 258
 259                 var article_is_unread = crow.className.match("Unread");
 260
 261                 crow.className = crow.className.replace("Unread", "");
 262
 263                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 264
 265                 var upd_img_pic = document.getElementById("FUPDPIC-" + id);
 266
 267                 var cache_prefix = "";
 268
 269                 if (activeFeedIsCat()) {
 270                         cache_prefix = "C:";
 271                 } else {
 272                         cache_prefix = "F:";
 273                 }
 274
 275                 var view_mode = false;
 276
 277                 try {
 278                         view_mode = document.forms['main_toolbar_form'].view_mode;
 279                         view_mode = view_mode[view_mode.selectedIndex].value;
 280                 } catch (e) {
 281                         exception_error("showArticleInHeadlines/viewmode", e, true);
 282                 }
 283
 284                 if (upd_img_pic && upd_img_pic.src.match("updated.png")) {
 285                         upd_img_pic.src = "images/blank_icon.gif";
 286
 287                         cache_invalidate(cache_prefix + getActiveFeedId());
 288
 289                         cache_inject(cache_prefix + getActiveFeedId(),
 290                                 document.getElementById("headlines-frame").innerHTML,
 291                                 get_feed_unread(getActiveFeedId()));
 292
 293                 } else if (article_is_unread && view_mode == "all_articles") {
 294
 295                         cache_invalidate(cache_prefix + getActiveFeedId());
 296
 297                         cache_inject(cache_prefix + getActiveFeedId(),
 298                                 document.getElementById("headlines-frame").innerHTML,
 299                                 get_feed_unread(getActiveFeedId())-1);
 300
 301                 } else if (article_is_unread) {
 302                         cache_invalidate(cache_prefix + getActiveFeedId());
 303                 }
 304
 305                 markHeadline(id);
 306
 307         } catch (e) {
 308                 exception_error("showArticleInHeadlines", e);
 309         }
 310 }
 311
 312 function article_callback2(transport, id, feed_id) {
 313         try {
 314                 debug("article_callback2 " + id);
 315
 316                 if (transport.responseXML) {
 317
 318                         active_real_feed_id = feed_id;
 319                         active_post_id = id;
 320
 321                         showArticleInHeadlines(id);
 322
 323                         var reply = transport.responseXML.firstChild.firstChild;
 324
 325                         var articles = transport.responseXML.getElementsByTagName("article");
 326
 327                         for (var i = 0; i < articles.length; i++) {
 328                                 var a_id = articles[i].getAttribute("id");
 329
 330                                 debug("found id: " + a_id);
 331
 332                                 if (a_id == active_post_id) {
 333                                         debug("active article, rendering...");
 334                                         render_article(articles[i].firstChild.nodeValue);
 335                                 }
 336
 337                                 cache_inject(a_id, articles[i].firstChild.nodeValue);
 338                         }
 339
 340                 } else {
 341                         debug("article_callback: returned no XML object");
 342                         var f = document.getElementById("content-frame");
 343                         f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 344                 }
 345
 346                 var date = new Date();
 347                 last_article_view = date.getTime() / 1000;
 348
 349                 if (typeof correctPNG != 'undefined') {
 350                         correctPNG();
 351                 }
 352
 353                 if (_reload_feedlist_after_view) {
 354                         setTimeout('updateFeedList(false, false)', 50);
 355                         _reload_feedlist_after_view = false;
 356                 } else {
 357                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 358
 359                         if (counters) {
 360                                 debug("parsing piggybacked counters: " + counters);
 361                                 parse_counters(counters, false);
 362                         } else {
 363                                 debug("counters container not found in reply");
 364                         }
 365                 }
 366
 367                 notify("");
 368         } catch (e) {
 369                 exception_error("article_callback2", e);
 370         }
 371 }
 372
 373 function view(id, feed_id, skip_history) {
 374
 375         try {
 376                 debug("loading article: " + id + "/" + feed_id);
 377
 378                 var cached_article = cache_find(id);
 379
 380                 debug("cache check result: " + (cached_article != false));
 381
 382                 enableHotkeys();
 383
 384                 //setActiveFeedId(feed_id);
 385
 386                 var query = "backend.php?op=view&id=" + param_escape(id) +
 387                         "&feed=" + param_escape(feed_id);
 388
 389                 var date = new Date();
 390
 391                 var neighbor_ids = getRelativePostIds(active_post_id);
 392
 393                 /* only request uncached articles */
 394
 395                 var cids_to_request = Array();
 396
 397                 for (var i = 0; i < neighbor_ids.length; i++) {
 398                         if (!cache_check(neighbor_ids[i])) {
 399                                 cids_to_request.push(neighbor_ids[i]);
 400                         }
 401                 }
 402
 403                 debug("additional ids: " + cids_to_request.toString());
 404
 405                 /* additional info for piggyback counters */
 406
 407                 if (tagsAreDisplayed()) {
 408                         query = query + "&omode=lt";
 409                 } else {
 410                         query = query + "&omode=flc";
 411                 }
 412
 413                 var date = new Date();
 414                 var timestamp = Math.round(date.getTime() / 1000);
 415                 query = query + "&ts=" + timestamp;
 416
 417                 query = query + "&cids=" + cids_to_request.toString();
 418
 419                 var crow = document.getElementById("RROW-" + id);
 420                 var article_is_unread = crow.className.match("Unread");
 421
 422                 showArticleInHeadlines(id);
 423
 424                 if (!cached_article) {
 425
 426                         notify_progress("Loading, please wait...");
 427
 428                 } else if (cached_article && article_is_unread) {
 429
 430                         query = query + "&mode=prefetch";
 431
 432                         render_article(cached_article);
 433
 434                 } else if (cached_article) {
 435
 436                         query = query + "&mode=prefetch_old";
 437                         render_article(cached_article);
 438                 }
 439
 440                 cache_expire();
 441
 442                 new Ajax.Request(query, {
 443                         onComplete: function(transport) {
 444                                 article_callback2(transport, id, feed_id);
 445                         } });
 446
 447         } catch (e) {
 448                 exception_error("view", e);
 449         }
 450 }
 451
 452 function tMark(id) {
 453         return toggleMark(id);
 454 }
 455
 456 function tPub(id) {
 457         return togglePub(id);
 458 }
 459
 460 function tMark_afh_off(effect) {
 461         try {
 462                 var elem = effect.effects[0].element;
 463
 464                 debug("tMark_afh_off : " + elem.id);
 465
 466                 if (elem) {
 467                         elem.src = elem.src.replace("mark_set", "mark_unset");
 468                         elem.alt = __("Star article");
 469                         Element.show(elem);
 470                 }
 471
 472         } catch (e) {
 473                 exception_error("tMark_afh_off", e);
 474         }
 475 }
 476
 477 function tPub_afh_off(effect) {
 478         try {
 479                 var elem = effect.effects[0].element;
 480
 481                 debug("tPub_afh_off : " + elem.id);
 482
 483                 if (elem) {
 484                         elem.src = elem.src.replace("pub_set", "pub_unset");
 485                         elem.alt = __("Publish article");
 486                         Element.show(elem);
 487                 }
 488
 489         } catch (e) {
 490                 exception_error("tPub_afh_off", e);
 491         }
 492 }
 493
 494 function toggleMark(id, client_only, no_effects) {
 495
 496         try {
 497
 498                 var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 499
 500                 query = query + "&afid=" + getActiveFeedId();
 501
 502                 if (tagsAreDisplayed()) {
 503                         query = query + "&omode=tl";
 504                 } else {
 505                         query = query + "&omode=flc";
 506                 }
 507
 508                 var mark_img = document.getElementById("FMPIC-" + id);
 509                 var vfeedu = document.getElementById("FEEDU--1");
 510                 var crow = document.getElementById("RROW-" + id);
 511
 512                 if (mark_img.src.match("mark_unset")) {
 513                         mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
 514                         mark_img.alt = __("Unstar article");
 515                         query = query + "&mark=1";
 516
 517 /*                      if (vfeedu && crow.className.match("Unread")) {
 518                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 519                         } */
 520
 521                 } else {
 522                         //mark_img.src = "images/mark_unset.png";
 523                         mark_img.alt = __("Please wait...");
 524                         query = query + "&mark=0";
 525
 526 /*                      if (vfeedu && crow.className.match("Unread")) {
 527                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 528                         } */
 529
 530                         if (document.getElementById("headlinesList") && !no_effects) {
 531                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 532                         } else {
 533                                 mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
 534                                 mark_img.alt = __("Star article");
 535                         }
 536                 }
 537
 538 /*              var vfeedctr = document.getElementById("FEEDCTR--1");
 539                 var vfeedr = document.getElementById("FEEDR--1");
 540
 541                 if (vfeedu && vfeedctr) {
 542                         if ((+vfeedu.innerHTML) > 0) {
 543                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 544                                         vfeedr.className = vfeedr.className + "Unread";
 545                                         vfeedctr.className = "odd";
 546                                 }
 547                         } else {
 548                                 vfeedctr.className = "invisible";
 549                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 550                         }
 551                 }
 552
 553                 debug("toggle starred for aid " + id);
 554
 555                 //new Ajax.Request(query); */
 556
 557                 if (!client_only) {
 558                         debug(query);
 559
 560                         new Ajax.Request(query, {
 561                                 onComplete: function(transport) {
 562                                         all_counters_callback2(transport);
 563                                 } });
 564
 565                 }
 566
 567         } catch (e) {
 568                 exception_error("toggleMark", e);
 569         }
 570 }
 571
 572 function togglePub(id, client_only, no_effects) {
 573
 574         try {
 575
 576                 var query = "backend.php?op=rpc&id=" + id + "&subop=publ";
 577
 578                 query = query + "&afid=" + getActiveFeedId();
 579
 580                 if (tagsAreDisplayed()) {
 581                         query = query + "&omode=tl";
 582                 } else {
 583                         query = query + "&omode=flc";
 584                 }
 585
 586                 var mark_img = document.getElementById("FPPIC-" + id);
 587                 var vfeedu = document.getElementById("FEEDU--2");
 588                 var crow = document.getElementById("RROW-" + id);
 589
 590                 if (mark_img.src.match("pub_unset")) {
 591                         mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
 592                         mark_img.alt = __("Unpublish article");
 593                         query = query + "&pub=1";
 594
 595 /*                      if (vfeedu && crow.className.match("Unread")) {
 596                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 597                         } */
 598
 599                 } else {
 600                         //mark_img.src = "images/pub_unset.png";
 601                         mark_img.alt = __("Please wait...");
 602                         query = query + "&pub=0";
 603
 604 /*                      if (vfeedu && crow.className.match("Unread")) {
 605                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 606                         } */
 607
 608                         if (document.getElementById("headlinesList") && !no_effects) {
 609                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 610                         } else {
 611                                 mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
 612                                 mark_img.alt = __("Publish article");
 613                         }
 614                 }
 615
 616 /*              var vfeedctr = document.getElementById("FEEDCTR--2");
 617                 var vfeedr = document.getElementById("FEEDR--2");
 618
 619                 if (vfeedu && vfeedctr) {
 620                         if ((+vfeedu.innerHTML) > 0) {
 621                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 622                                         vfeedr.className = vfeedr.className + "Unread";
 623                                         vfeedctr.className = "odd";
 624                                 }
 625                         } else {
 626                                 vfeedctr.className = "invisible";
 627                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 628                         }
 629                 }
 630
 631                 debug("toggle published for aid " + id);
 632
 633                 new Ajax.Request(query); */
 634
 635                 if (!client_only) {
 636                         new Ajax.Request(query, {
 637                                 onComplete: function(transport) {
 638                                         all_counters_callback2(transport);
 639                                 } });
 640                 }
 641
 642         } catch (e) {
 643
 644                 exception_error("togglePub", e);
 645         }
 646 }
 647
 648 function correctHeadlinesOffset(id) {
 649
 650         try {
 651
 652                 var hlist = document.getElementById("headlinesList");
 653                 var container = document.getElementById("headlinesInnerContainer");
 654                 var row = document.getElementById("RROW-" + id);
 655
 656                 var viewport = container.offsetHeight;
 657
 658                 var rel_offset_top = row.offsetTop - container.scrollTop;
 659                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 660
 661                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 662                 debug("Vport: " + viewport);
 663
 664                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 665                         container.scrollTop = row.offsetTop;
 666                 } else if (rel_offset_bottom > viewport) {
 667
 668                         /* doesn't properly work with Opera in some cases because
 669                                 Opera fucks up element scrolling */
 670
 671                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 672                 }
 673
 674         } catch (e) {
 675                 exception_error("correctHeadlinesOffset", e);
 676         }
 677
 678 }
 679
 680 function moveToPost(mode) {
 681
 682         try {
 683
 684                 var rows;
 685
 686                 if (isCdmMode()) {
 687                         rows = cdmGetVisibleArticles();
 688                 } else {
 689                         rows = getVisibleHeadlineIds();
 690                 }
 691
 692                 var prev_id = false;
 693                 var next_id = false;
 694
 695                 if (!document.getElementById('RROW-' + active_post_id)) {
 696                         active_post_id = false;
 697                 }
 698
 699                 if (active_post_id == false) {
 700                         next_id = getFirstVisibleHeadlineId();
 701                         prev_id = getLastVisibleHeadlineId();
 702                 } else {
 703                         for (var i = 0; i < rows.length; i++) {
 704                                 if (rows[i] == active_post_id) {
 705                                         prev_id = rows[i-1];
 706                                         next_id = rows[i+1];
 707                                 }
 708                         }
 709                 }
 710
 711                 if (mode == "next") {
 712                         if (next_id) {
 713                                 if (isCdmMode()) {
 714
 715                                         if (!cdmArticleIsActuallyVisible(next_id)) {
 716                                                 cdmScrollToArticleId(next_id);
 717                                         }
 718                                         cdmSelectArticles("none");
 719                                         toggleUnread(next_id, 0, true);
 720                                         toggleSelected(next_id);
 721
 722                                 } else {
 723                                         correctHeadlinesOffset(next_id);
 724                                         view(next_id, getActiveFeedId());
 725                                 }
 726                         }
 727                 }
 728
 729                 if (mode == "prev") {
 730                         if (prev_id) {
 731                                 if (isCdmMode()) {
 732                                         cdmScrollToArticleId(prev_id);
 733                                         cdmSelectArticles("none");
 734                                         toggleUnread(prev_id, 0, true);
 735                                         toggleSelected(prev_id);
 736                                 } else {
 737                                         correctHeadlinesOffset(prev_id);
 738                                         view(prev_id, getActiveFeedId());
 739                                 }
 740                         }
 741                 }
 742
 743
 744 /*      } else {
 745                         var rows = cdmGetVisibleArticles();
 746
 747                         if (mode == "next") {
 748
 749                                 for (var i = 0; i < rows.length; i++) {
 750
 751                                         if (cdmArticleIsActuallyVisible(rows[i]) ||
 752                                                         cdmArticleIsBelowViewport(rows[i])) {
 753
 754                                                 if (!cdmArticleIsActuallyVisible(rows[i])) {
 755                                                         cdmScrollToArticleId(rows[i]);
 756                                                 }
 757                                                 //setTimeout("toggleUnread(" + rows[i] + ", undefined, true)", 500);
 758                                                 cdmSelectArticles("none");
 759                                                 toggleUnread(rows[i], undefined, true);
 760                                                 toggleSelected(rows[i]);
 761
 762                                                 return;
 763                                         }
 764                                 }
 765
 766                                 cdmScrollViewport('bottom');
 767
 768                         } else if (mode == "prev") {
 769
 770                                 for (var i = 0; i < rows.length; i++) {
 771
 772                                         if (cdmArticleIsAboveViewport(rows[i]) &&
 773                                                                 !cdmArticleIsAboveViewport(rows[i+1])) {
 774
 775                                                 cdmScrollToArticleId(rows[i]);
 776                                                 //setTimeout("toggleUnread(" + rows[i] + ", undefined, true)", 500);
 777                                                 cdmSelectArticles("none");
 778                                                 toggleUnread(rows[i], undefined, true);
 779                                                 cdmSelectArticleById(rows[i]);
 780
 781                                                 break;
 782                                         }
 783                                 }
 784
 785                         }
 786
 787                 } */
 788
 789         } catch (e) {
 790                 exception_error(e, "moveToPost");
 791         }
 792 }
 793
 794 function toggleSelected(id) {
 795         try {
 796
 797                 var cb = document.getElementById("RCHK-" + id);
 798
 799                 var row = document.getElementById("RROW-" + id);
 800                 if (row) {
 801                         var nc = row.className;
 802
 803                         if (!nc.match("Selected")) {
 804                                 nc = nc + "Selected";
 805                                 if (cb) {
 806                                         cb.checked = true;
 807                                 }
 808
 809                                 // In CDM basically last selected article == active article
 810                                 if (isCdmMode()) active_post_id = id;
 811                         } else {
 812                                 nc = nc.replace("Selected", "");
 813                                 if (cb) {
 814                                         cb.checked = false;
 815                                 }
 816
 817                         }
 818
 819                         row.className = nc;
 820                 }
 821         } catch (e) {
 822                 exception_error(e, "toggleSelected");
 823         }
 824 }
 825
 826 function toggleUnread_afh(effect) {
 827         try {
 828
 829                 var elem = effect.element;
 830                 elem.style.backgroundColor = "";
 831
 832         } catch (e) {
 833                 exception_error(e, "toggleUnread_afh");
 834         }
 835 }
 836
 837 function toggleUnread(id, cmode, effect) {
 838         try {
 839
 840                 var row = document.getElementById("RROW-" + id);
 841                 if (row) {
 842                         var nc = row.className;
 843                         var is_selected = row.className.match("Selected");
 844                         nc = nc.replace("Unread", "");
 845                         nc = nc.replace("Selected", "");
 846
 847                         // since we are removing selection from the object, uncheck
 848                         // corresponding checkbox
 849
 850                         var cb = document.getElementById("RCHK-" + id);
 851                         if (cb) {
 852                                 cb.checked = false;
 853                         }
 854
 855                         // NOTE: I'm not sure that resetting selection here is a feature -fox
 856
 857                         if (cmode == undefined || cmode == 2) {
 858                                 if (row.className.match("Unread")) {
 859                                         row.className = nc;
 860
 861                                         if (effect) {
 862                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 863                                                         afterFinish: toggleUnread_afh,
 864                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 865                                         }
 866
 867                                 } else {
 868                                         row.className = nc + "Unread";
 869                                 }
 870                         } else if (cmode == 0) {
 871                                 row.className = nc;
 872
 873                                 if (effect) {
 874                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 875                                                 afterFinish: toggleUnread_afh,
 876                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 877                                 }
 878                         } else if (cmode == 1) {
 879                                 row.className = nc + "Unread";
 880                         }
 881
 882                         // Disable unmarking as selected for the time being (16.05.08) -fox
 883                         if (is_selected) row.className = row.className + "Selected";
 884
 885                         if (cmode == undefined) cmode = 2;
 886
 887                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 888                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 889
 890 //                      notify_progress("Loading, please wait...");
 891
 892                         new Ajax.Request(query, {
 893                                 onComplete: function(transport) {
 894                                         all_counters_callback2(transport);
 895                                 } });
 896
 897                 }
 898
 899
 900         } catch (e) {
 901                 exception_error("toggleUnread", e);
 902         }
 903 }
 904
 905 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
 906         try {
 907                 var rows;
 908
 909                 if (cdm_mode) {
 910                         rows = cdmGetSelectedArticles();
 911                 } else {
 912                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 913                 }
 914
 915                 if (rows.length == 0 && !no_error) {
 916                         alert(__("No articles are selected."));
 917                         return;
 918                 }
 919
 920                 for (i = 0; i < rows.length; i++) {
 921                         var row = document.getElementById("RROW-" + rows[i]);
 922                         if (row) {
 923                                 var nc = row.className;
 924                                 nc = nc.replace("Unread", "");
 925                                 nc = nc.replace("Selected", "");
 926
 927                                 if (set_state == undefined) {
 928                                         if (row.className.match("Unread")) {
 929                                                 row.className = nc + "Selected";
 930                                         } else {
 931                                                 row.className = nc + "UnreadSelected";
 932                                         }
 933                                 }
 934
 935                                 if (set_state == false) {
 936                                         row.className = nc + "Selected";
 937                                 }
 938
 939                                 if (set_state == true) {
 940                                         row.className = nc + "UnreadSelected";
 941                                 }
 942                         }
 943                 }
 944
 945                 if (rows.length > 0) {
 946
 947                         var cmode = "";
 948
 949                         if (set_state == undefined) {
 950                                 cmode = "2";
 951                         } else if (set_state == true) {
 952                                 cmode = "1";
 953                         } else if (set_state == false) {
 954                                 cmode = "0";
 955                         }
 956
 957                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 958                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 959
 960                         notify_progress("Loading, please wait...");
 961
 962                         new Ajax.Request(query, {
 963                                 onComplete: function(transport) {
 964                                         catchup_callback2(transport, callback_func);
 965                                 } });
 966
 967                 }
 968
 969         } catch (e) {
 970                 exception_error("selectionToggleUnread", e);
 971         }
 972 }
 973
 974 function selectionToggleMarked(cdm_mode) {
 975         try {
 976
 977                 var rows;
 978
 979                 if (cdm_mode) {
 980                         rows = cdmGetSelectedArticles();
 981                 } else {
 982                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 983                 }
 984
 985                 if (rows.length == 0) {
 986                         alert(__("No articles are selected."));
 987                         return;
 988                 }
 989
 990                 for (i = 0; i < rows.length; i++) {
 991                         toggleMark(rows[i], true, true);
 992                 }
 993
 994                 if (rows.length > 0) {
 995
 996                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 997                                 param_escape(rows.toString()) + "&cmode=2";
 998
 999                         query = query + "&afid=" + getActiveFeedId();
1000
1001 /*                      if (tagsAreDisplayed()) {
1002                                 query = query + "&omode=tl";
1003                         } else {
1004                                 query = query + "&omode=flc";
1005                         } */
1006
1007                         query = query + "&omode=lc";
1008
1009                         new Ajax.Request(query, {
1010                                 onComplete: function(transport) {
1011                                         all_counters_callback2(transport);
1012                                 } });
1013
1014                 }
1015
1016         } catch (e) {
1017                 exception_error("selectionToggleMarked", e);
1018         }
1019 }
1020
1021 function selectionTogglePublished(cdm_mode) {
1022         try {
1023
1024                 var rows;
1025
1026                 if (cdm_mode) {
1027                         rows = cdmGetSelectedArticles();
1028                 } else {
1029                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
1030                 }
1031
1032                 if (rows.length == 0) {
1033                         alert(__("No articles are selected."));
1034                         return;
1035                 }
1036
1037                 for (i = 0; i < rows.length; i++) {
1038                         togglePub(rows[i], true, true);
1039                 }
1040
1041                 if (rows.length > 0) {
1042
1043                         var query = "backend.php?op=rpc&subop=publishSelected&ids=" +
1044                                 param_escape(rows.toString()) + "&cmode=2";
1045
1046                         query = query + "&afid=" + getActiveFeedId();
1047
1048 /*                      if (tagsAreDisplayed()) {
1049                                 query = query + "&omode=tl";
1050                         } else {
1051                                 query = query + "&omode=flc";
1052                         } */
1053
1054                         query = query + "&omode=lc";
1055
1056                         new Ajax.Request(query, {
1057                                 onComplete: function(transport) {
1058                                         all_counters_callback2(transport);
1059                                 } });
1060
1061                 }
1062
1063         } catch (e) {
1064                 exception_error("selectionToggleMarked", e);
1065         }
1066 }
1067
1068 function cdmGetSelectedArticles() {
1069         var sel_articles = new Array();
1070         var container = document.getElementById("headlinesInnerContainer");
1071
1072         for (i = 0; i < container.childNodes.length; i++) {
1073                 var child = container.childNodes[i];
1074
1075                 if (child.id.match("RROW-") && child.className.match("Selected")) {
1076                         var c_id = child.id.replace("RROW-", "");
1077                         sel_articles.push(c_id);
1078                 }
1079         }
1080
1081         return sel_articles;
1082 }
1083
1084 function cdmGetVisibleArticles() {
1085         var sel_articles = new Array();
1086         var container = document.getElementById("headlinesInnerContainer");
1087
1088         for (i = 0; i < container.childNodes.length; i++) {
1089                 var child = container.childNodes[i];
1090
1091                 if (child.id.match("RROW-")) {
1092                         var c_id = child.id.replace("RROW-", "");
1093                         sel_articles.push(c_id);
1094                 }
1095         }
1096
1097         return sel_articles;
1098 }
1099
1100 function cdmGetUnreadArticles() {
1101         var sel_articles = new Array();
1102         var container = document.getElementById("headlinesInnerContainer");
1103
1104         for (i = 0; i < container.childNodes.length; i++) {
1105                 var child = container.childNodes[i];
1106
1107                 if (child.id.match("RROW-") && child.className.match("Unread")) {
1108                         var c_id = child.id.replace("RROW-", "");
1109                         sel_articles.push(c_id);
1110                 }
1111         }
1112
1113         return sel_articles;
1114 }
1115
1116
1117 // mode = all,none,unread
1118 function cdmSelectArticles(mode) {
1119         var container = document.getElementById("headlinesInnerContainer");
1120
1121         for (i = 0; i < container.childNodes.length; i++) {
1122                 var child = container.childNodes[i];
1123
1124                 if (child.id.match("RROW-")) {
1125                         var aid = child.id.replace("RROW-", "");
1126
1127                         var cb = document.getElementById("RCHK-" + aid);
1128
1129                         if (mode == "all") {
1130                                 if (!child.className.match("Selected")) {
1131                                         child.className = child.className + "Selected";
1132                                         cb.checked = true;
1133                                 }
1134                         } else if (mode == "unread") {
1135                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
1136                                         child.className = child.className + "Selected";
1137                                         cb.checked = true;
1138                                 }
1139                         } else {
1140                                 child.className = child.className.replace("Selected", "");
1141                                 cb.checked = false;
1142                         }
1143                 }
1144         }
1145 }
1146
1147 function catchupPage() {
1148
1149         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
1150
1151         var str = __("Mark all visible articles in %s as read?");
1152
1153         str = str.replace("%s", fn);
1154
1155         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1156                 return;
1157         }
1158
1159         if (document.getElementById("headlinesList")) {
1160                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
1161                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
1162                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
1163         } else {
1164                 cdmSelectArticles('all');
1165                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
1166                 cdmSelectArticles('none');
1167         }
1168 }
1169
1170 function catchupSelection() {
1171
1172         try {
1173
1174                 var rows;
1175
1176                 if (document.getElementById("headlinesList")) {
1177                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
1178                 } else {
1179                         rows = cdmGetSelectedArticles();
1180                 }
1181
1182                 if (rows.length == 0) {
1183                         alert(__("No articles are selected."));
1184                         return;
1185                 }
1186
1187
1188                 var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
1189
1190                 var str = __("Mark %d selected articles in %s as read?");
1191
1192                 str = str.replace("%d", rows.length);
1193                 str = str.replace("%s", fn);
1194
1195                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1196                         return;
1197                 }
1198
1199                 if (document.getElementById("headlinesList")) {
1200                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
1201         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
1202                 } else {
1203                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
1204         //              cdmSelectArticles('none');
1205                 }
1206
1207         } catch (e) {
1208                 exception_error("catchupSelection", e);
1209         }
1210 }
1211
1212
1213 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
1214
1215         if (!xmlhttp_ready(xmlhttp_rpc)) {
1216                 printLockingError();
1217         }
1218
1219         var title = prompt(__("Please enter label title:"), "");
1220
1221         if (title) {
1222
1223                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
1224                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
1225                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
1226                         "&title=" + param_escape(title);
1227
1228                 debug("LFS: " + query);
1229
1230                 new Ajax.Request(query, {
1231                         onComplete: function(transport) {
1232                                         dlg_frefresh_callback(transport);
1233                                 } });
1234         }
1235 }
1236
1237 function editArticleTags(id, feed_id, cdm_enabled) {
1238         _tag_active_post_id = id;
1239         _tag_active_feed_id = feed_id;
1240         _tag_active_cdm = cdm_enabled;
1241
1242         cache_invalidate(id);
1243
1244         try {
1245                 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
1246         } catch (e) { }
1247         displayDlg('editArticleTags', id);
1248 }
1249
1250
1251 function tag_saved_callback(transport) {
1252         try {
1253                 debug("in tag_saved_callback");
1254
1255                 closeInfoBox();
1256                 notify("");
1257
1258                 if (tagsAreDisplayed()) {
1259                         _reload_feedlist_after_view = true;
1260                 }
1261
1262                 if (!_tag_active_cdm) {
1263                         if (active_post_id == _tag_active_post_id) {
1264                                 debug("reloading current article");
1265                                 view(_tag_active_post_id, _tag_active_feed_id);
1266                         }
1267                 } else {
1268                         debug("reloading current feed");
1269                         viewCurrentFeed();
1270                 }
1271
1272         } catch (e) {
1273                 exception_error("catchup_callback", e);
1274         }
1275 }
1276
1277 function editTagsSave() {
1278
1279         notify_progress("Saving article tags...");
1280
1281         var form = document.forms["tag_edit_form"];
1282
1283         var query = Form.serialize("tag_edit_form");
1284
1285         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
1286
1287         debug(query);
1288
1289         new Ajax.Request(query, {
1290                 onComplete: function(transport) {
1291                                 tag_saved_callback(transport);
1292                         } });
1293
1294 }
1295
1296 function editTagsInsert() {
1297         try {
1298
1299                 var form = document.forms["tag_edit_form"];
1300
1301                 var found_tags = form.found_tags;
1302                 var tags_str = form.tags_str;
1303
1304                 var tag = found_tags[found_tags.selectedIndex].value;
1305
1306                 if (tags_str.value.length > 0 &&
1307                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1308
1309                         tags_str.value = tags_str.value + ", ";
1310                 }
1311
1312                 tags_str.value = tags_str.value + tag + ", ";
1313
1314                 found_tags.selectedIndex = 0;
1315
1316         } catch (e) {
1317                 exception_error(e, "editTagsInsert");
1318         }
1319 }
1320
1321 function cdmScrollViewport(where) {
1322         debug("cdmScrollViewport: " + where);
1323
1324         var ctr = document.getElementById("headlinesInnerContainer");
1325
1326         if (!ctr) return;
1327
1328         if (where == "bottom") {
1329                 ctr.scrollTop = ctr.scrollHeight;
1330         } else {
1331                 ctr.scrollTop = where;
1332         }
1333 }
1334
1335 function cdmArticleIsBelowViewport(id) {
1336         try {
1337                 var ctr = document.getElementById("headlinesInnerContainer");
1338                 var e = document.getElementById("RROW-" + id);
1339
1340                 if (!e || !ctr) return;
1341
1342                 // article starts below viewport
1343
1344                 if (ctr.scrollTop < e.offsetTop) {
1345                         return true;
1346                 } else {
1347                         return false;
1348                 }
1349
1350         } catch (e) {
1351                 exception_error(e, "cdmArticleIsVisible");
1352         }
1353 }
1354
1355 function cdmArticleIsAboveViewport(id) {
1356         try {
1357                 var ctr = document.getElementById("headlinesInnerContainer");
1358                 var e = document.getElementById("RROW-" + id);
1359
1360                 if (!e || !ctr) return;
1361
1362                 // article starts above viewport
1363
1364                 if (ctr.scrollTop > e.offsetTop + e.offsetHeight) {
1365                         return true;
1366                 } else {
1367                         return false;
1368                 }
1369
1370         } catch (e) {
1371                 exception_error(e, "cdmArticleIsVisible");
1372         }
1373 }
1374
1375 function cdmScrollToArticleId(id) {
1376         try {
1377                 var ctr = document.getElementById("headlinesInnerContainer");
1378                 var e = document.getElementById("RROW-" + id);
1379
1380                 if (!e || !ctr) return;
1381
1382                 ctr.scrollTop = e.offsetTop;
1383
1384         } catch (e) {
1385                 exception_error(e, "cdmScrollToArticleId");
1386         }
1387 }
1388
1389 function cdmArticleIsActuallyVisible(id) {
1390         try {
1391                 var ctr = document.getElementById("headlinesInnerContainer");
1392                 var e = document.getElementById("RROW-" + id);
1393
1394                 if (!e || !ctr) return;
1395
1396                 // article fits in viewport OR article is longer than viewport and
1397                 // its bottom is visible
1398
1399                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1400                                 ctr.scrollTop + ctr.offsetHeight) {
1401
1402                         return true;
1403
1404                 } else if (e.offsetHeight > ctr.offsetHeight &&
1405                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1406                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1407
1408                         return true;
1409
1410                 }
1411
1412                 return false;
1413
1414         } catch (e) {
1415                 exception_error(e, "cdmArticleIsVisible");
1416         }
1417 }
1418
1419 function cdmWatchdog() {
1420
1421         try {
1422
1423                 var ctr = document.getElementById("headlinesInnerContainer");
1424
1425                 if (!ctr) return;
1426
1427                 var ids = new Array();
1428
1429                 var e = ctr.firstChild;
1430
1431                 while (e) {
1432                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1433                                         e.id.match("RROW-")) {
1434
1435                                 // article fits in viewport OR article is longer than viewport and
1436                                 // its bottom is visible
1437
1438                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1439                                                 ctr.scrollTop + ctr.offsetHeight) {
1440
1441 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1442 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1443 //                                              (ctr.scrollTop + ctr.offsetHeight));
1444
1445                                         ids.push(e.id.replace("RROW-", ""));
1446
1447                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1448                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1449                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1450
1451                                         ids.push(e.id.replace("RROW-", ""));
1452
1453                                 }
1454
1455                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1456
1457 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1458                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1459
1460                                         ids.push(e.id.replace("RROW-", ""));
1461
1462                                 } */
1463
1464                         }
1465
1466                         e = e.nextSibling;
1467                 }
1468
1469                 debug("cdmWatchdog, ids= " + ids.toString());
1470
1471                 if (ids.length > 0) {
1472
1473                         for (var i = 0; i < ids.length; i++) {
1474                                 var e = document.getElementById("RROW-" + ids[i]);
1475                                 if (e) {
1476                                         e.className = e.className.replace("Unread", "");
1477                                 }
1478                         }
1479
1480                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1481                                 param_escape(ids.toString()) + "&cmode=0";
1482
1483                         new Ajax.Request(query, {
1484                                 onComplete: function(transport) {
1485                                         all_counters_callback2(transport);
1486                                 } });
1487
1488                 }
1489
1490                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1491
1492         } catch (e) {
1493                 exception_error(e, "cdmWatchdog");
1494         }
1495
1496 }
1497
1498
1499 function cache_inject(id, article, param) {
1500         if (!cache_check_param(id, param)) {
1501                 debug("cache_article: miss: " + id + " [p=" + param + "]");
1502
1503                 var cache_obj = new Array();
1504
1505                 cache_obj["id"] = id;
1506                 cache_obj["data"] = article;
1507                 cache_obj["param"] = param;
1508
1509                 article_cache.push(cache_obj);
1510
1511         } else {
1512                 debug("cache_article: hit: " + id + " [p=" + param + "]");
1513         }
1514 }
1515
1516 function cache_find(id) {
1517         for (var i = 0; i < article_cache.length; i++) {
1518                 if (article_cache[i]["id"] == id) {
1519                         return article_cache[i]["data"];
1520                 }
1521         }
1522         return false;
1523 }
1524
1525 function cache_find_param(id, param) {
1526         for (var i = 0; i < article_cache.length; i++) {
1527                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1528                         return article_cache[i]["data"];
1529                 }
1530         }
1531         return false;
1532 }
1533
1534 function cache_check(id) {
1535         for (var i = 0; i < article_cache.length; i++) {
1536                 if (article_cache[i]["id"] == id) {
1537                         return true;
1538                 }
1539         }
1540         return false;
1541 }
1542
1543 function cache_check_param(id, param) {
1544         for (var i = 0; i < article_cache.length; i++) {
1545
1546 //              debug("cache_check_param " + article_cache[i]["id"] + ":" +
1547 //                      article_cache[i]["param"] + " vs " + id + ":" + param);
1548
1549                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1550                         return true;
1551                 }
1552         }
1553         return false;
1554 }
1555
1556 function cache_expire() {
1557         while (article_cache.length > 20) {
1558                 article_cache.shift();
1559         }
1560 }
1561
1562 function cache_empty() {
1563         article_cache = new Array();
1564 }
1565
1566 function cache_invalidate(id) {
1567         var i = 0
1568
1569         try {
1570
1571                 while (i < article_cache.length) {
1572                         if (article_cache[i]["id"] == id) {
1573                                 debug("cache_invalidate: removed id " + id);
1574                                 article_cache.splice(i, 1);
1575                                 return true;
1576                         }
1577                         i++;
1578                 }
1579                 debug("cache_invalidate: id not found: " + id);
1580                 return false;
1581         } catch (e) {
1582                 exception_error("cache_invalidate", e);
1583         }
1584 }
1585
1586 function getActiveArticleId() {
1587         return active_post_id;
1588 }
1589
1590 function cdmClicked(elem) {
1591         try {
1592                 if (elem.id && elem.id.match("RROW-")) {
1593                         var id = elem.id.replace("RROW-", "");
1594                         active_post_id = id;
1595
1596                         cdmSelectArticles("none");
1597                         toggleUnread(id, 0, true);
1598                         toggleSelected(id);
1599
1600                 }
1601         } catch (e) {
1602                 exception_error("cdmMouseIn", e);
1603         }
1604 }
1605
1606 function cdmMouseIn(elem) {
1607 /*      try {
1608                 if (elem.id && elem.id.match("RROW-")) {
1609                         var id = elem.id.replace("RROW-", "");
1610                         active_post_id = id;
1611                 }
1612         } catch (e) {
1613                 exception_error("cdmMouseIn", e);
1614         } */
1615 }
1616
1617 function cdmMouseOut(elem) {
1618         //active_post_id = false;
1619 }
1620
1621 function headlines_scroll_handler() {
1622         try {
1623
1624                 var e = document.getElementById("headlinesInnerContainer");
1625
1626                 // don't do infinite scrolling when Limit == All
1627
1628                 var toolbar_form = document.forms["main_toolbar_form"];
1629
1630                 var limit = toolbar_form.limit[toolbar_form.limit.selectedIndex];
1631                 if (limit.value != 0) {
1632
1633                         debug((e.scrollTop + e.offsetHeight) + " vs " + e.scrollHeight + " dis? " +
1634                                 _infscroll_disable);
1635
1636                         if (e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
1637                                 if (!_infscroll_disable) {
1638                                         debug("more cowbell!");
1639                                         viewNextFeedPage();
1640                                 }
1641                         }
1642                 }
1643
1644         } catch (e) {
1645                 exception_error("headlines_scroll_handler", e);
1646         }
1647 }
1648
1649 function catchupRelativeToArticle(below) {
1650
1651         try {
1652
1653                 if (!xmlhttp_ready(xmlhttp_rpc)) {
1654                         printLockingError();
1655                 }
1656
1657                 if (!getActiveArticleId()) {
1658                         alert(__("No article is selected."));
1659                         return;
1660                 }
1661
1662                 var visible_ids;
1663
1664                 if (document.getElementById("headlinesList")) {
1665                         visible_ids = getVisibleHeadlineIds();
1666                 } else {
1667                         visible_ids = cdmGetVisibleArticles();
1668                 }
1669
1670                 var ids_to_mark = new Array();
1671
1672                 if (!below) {
1673                         for (var i = 0; i < visible_ids.length; i++) {
1674                                 if (visible_ids[i] != getActiveArticleId()) {
1675                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1676
1677                                         if (e && e.className.match("Unread")) {
1678                                                 ids_to_mark.push(visible_ids[i]);
1679                                         }
1680                                 } else {
1681                                         break;
1682                                 }
1683                         }
1684                 } else {
1685                         for (var i = visible_ids.length-1; i >= 0; i--) {
1686                                 if (visible_ids[i] != getActiveArticleId()) {
1687                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1688
1689                                         if (e && e.className.match("Unread")) {
1690                                                 ids_to_mark.push(visible_ids[i]);
1691                                         }
1692                                 } else {
1693                                         break;
1694                                 }
1695                         }
1696                 }
1697
1698                 if (ids_to_mark.length == 0) {
1699                         alert(__("No articles found to mark"));
1700                 } else {
1701                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1702
1703                         if (confirm(msg)) {
1704
1705                                 for (var i = 0; i < ids_to_mark.length; i++) {
1706                                         var e = document.getElementById("RROW-" + ids_to_mark[i]);
1707                                         e.className = e.className.replace("Unread", "");
1708                                 }
1709
1710                                 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1711                                         param_escape(ids_to_mark.toString()) + "&cmode=0";
1712
1713                                 new Ajax.Request(query, {
1714                                         onComplete: function(transport) {
1715                                                 catchup_callback2(transport);
1716                                         } });
1717
1718                         }
1719                 }
1720
1721         } catch (e) {
1722                 exception_error("catchupRelativeToArticle", e);
1723         }
1724 }
1725
1726 function cdmExpandArticle(a_id) {
1727         try {
1728                 var id = 'CICD-' + a_id;
1729
1730                 Effect.Appear(id, {duration : 0.5,
1731                         beforeStart: function(effect) {
1732                                 var h_id = 'CICH-' + a_id;
1733                                 var h_elem = document.getElementById(h_id);
1734                                 if (h_elem) { h_elem.style.display = "none"; }
1735
1736                                 toggleUnread(a_id, 0);
1737                         }});
1738
1739
1740         } catch (e) {
1741                 exception_error("appearBlockElementF", e);
1742         }
1743
1744 }
1745
1746 function fixHeadlinesOrder(ids) {
1747         try {
1748                 for (var i = 0; i < ids.length; i++) {
1749                         var e = document.getElementById("RROW-" + ids[i]);
1750
1751                         if (e) {
1752                                 if (i % 2 == 0) {
1753                                         e.className = e.className.replace("even", "odd");
1754                                 } else {
1755                                         e.className = e.className.replace("odd", "even");
1756                                 }
1757                         }
1758                 }
1759         } catch (e) {
1760                 exception_error("fixHeadlinesOrder", e);
1761         }
1762 }
1763
1764 function subtoolbarSearch() {
1765
1766         try {
1767
1768                 var q = document.getElementById("subtoolbar_search_box");
1769
1770                 if (!q) return;
1771
1772                 q = q.value.toUpperCase();
1773
1774                 var ids = false;
1775                 var vis_ids = new Array();
1776
1777                 if (document.getElementById("headlinesList")) {
1778                         ids = getVisibleHeadlineIds();
1779                 } else {
1780                         ids = cdmGetVisibleArticles();
1781                 }
1782
1783                 for (var i = 0; i < ids.length; i++) {
1784                         var title = document.getElementById("RTITLE-" + ids[i]);
1785
1786                         if (title) {
1787                                 if (!title.innerHTML.toUpperCase().match(q)) {
1788                                         Element.hide(document.getElementById("RROW-" + ids[i]));
1789                                 } else {
1790                                         Element.show(document.getElementById("RROW-" + ids[i]));
1791                                         vis_ids.push(ids[i]);
1792                                 }
1793                         }
1794                 }
1795
1796                 fixHeadlinesOrder(vis_ids);
1797
1798         } catch (e) {
1799                 exception_error("subtoolbarSearch", e);
1800         }
1801
1802 }