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