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