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                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 252
 253                 var upd_img_pic = document.getElementById("FUPDPIC-" + id);
 254
 255                 var cache_prefix = "";
 256
 257                 if (activeFeedIsCat()) {
 258                         cache_prefix = "C:";
 259                 } else {
 260                         cache_prefix = "F:";
 261                 }
 262
 263                 if (upd_img_pic && upd_img_pic.src.match("updated.png")) {
 264                         upd_img_pic.src = "images/blank_icon.gif";
 265
 266                         cache_invalidate(cache_prefix + getActiveFeedId());
 267
 268                         cache_inject(cache_prefix + getActiveFeedId(),
 269                                 document.getElementById("headlines-frame").innerHTML,
 270                                 get_feed_unread(getActiveFeedId()));
 271
 272                 } else if (article_is_unread) {
 273
 274                         cache_invalidate(cache_prefix + getActiveFeedId());
 275
 276                         cache_inject(cache_prefix + getActiveFeedId(),
 277                                 document.getElementById("headlines-frame").innerHTML,
 278                                 get_feed_unread(getActiveFeedId())-1);
 279
 280                 }
 281
 282                 markHeadline(id);
 283
 284         } catch (e) {
 285                 exception_error("showArticleInHeadlines", e);
 286         }
 287 }
 288
 289 function article_callback2(transport, id, feed_id) {
 290         try {
 291                 debug("article_callback2 " + id);
 292
 293                 if (transport.responseXML) {
 294
 295                         active_real_feed_id = feed_id;
 296                         active_post_id = id;
 297
 298                         showArticleInHeadlines(id);
 299
 300                         var reply = transport.responseXML.firstChild.firstChild;
 301
 302                         var articles = transport.responseXML.getElementsByTagName("article");
 303
 304                         for (var i = 0; i < articles.length; i++) {
 305                                 var a_id = articles[i].getAttribute("id");
 306
 307                                 debug("found id: " + a_id);
 308
 309                                 if (a_id == active_post_id) {
 310                                         debug("active article, rendering...");
 311                                         render_article(articles[i].firstChild.nodeValue);
 312                                 }
 313
 314                                 cache_inject(a_id, articles[i].firstChild.nodeValue);
 315                         }
 316
 317                 } else {
 318                         debug("article_callback: returned no XML object");
 319                         var f = document.getElementById("content-frame");
 320                         f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 321                 }
 322
 323                 var date = new Date();
 324                 last_article_view = date.getTime() / 1000;
 325
 326                 if (typeof correctPNG != 'undefined') {
 327                         correctPNG();
 328                 }
 329
 330                 if (_reload_feedlist_after_view) {
 331                         setTimeout('updateFeedList(false, false)', 50);
 332                         _reload_feedlist_after_view = false;
 333                 } else {
 334                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 335
 336                         if (counters) {
 337                                 debug("parsing piggybacked counters: " + counters);
 338                                 parse_counters(counters, false);
 339                         } else {
 340                                 debug("counters container not found in reply");
 341                         }
 342                 }
 343
 344                 notify("");
 345         } catch (e) {
 346                 exception_error("article_callback2", e);
 347         }
 348 }
 349
 350 function view(id, feed_id, skip_history) {
 351
 352         try {
 353                 debug("loading article: " + id + "/" + feed_id);
 354
 355                 var cached_article = cache_find(id);
 356
 357                 debug("cache check result: " + (cached_article != false));
 358
 359                 enableHotkeys();
 360
 361                 //setActiveFeedId(feed_id);
 362
 363                 var query = "backend.php?op=view&id=" + param_escape(id) +
 364                         "&feed=" + param_escape(feed_id);
 365
 366                 var date = new Date();
 367
 368                 var neighbor_ids = getRelativePostIds(active_post_id);
 369
 370                 /* only request uncached articles */
 371
 372                 var cids_to_request = Array();
 373
 374                 for (var i = 0; i < neighbor_ids.length; i++) {
 375                         if (!cache_check(neighbor_ids[i])) {
 376                                 cids_to_request.push(neighbor_ids[i]);
 377                         }
 378                 }
 379
 380                 debug("additional ids: " + cids_to_request.toString());
 381
 382                 /* additional info for piggyback counters */
 383
 384                 if (tagsAreDisplayed()) {
 385                         query = query + "&omode=lt";
 386                 } else {
 387                         query = query + "&omode=flc";
 388                 }
 389
 390                 var date = new Date();
 391                 var timestamp = Math.round(date.getTime() / 1000);
 392                 query = query + "&ts=" + timestamp;
 393
 394                 query = query + "&cids=" + cids_to_request.toString();
 395
 396                 var crow = document.getElementById("RROW-" + id);
 397                 var article_is_unread = crow.className.match("Unread");
 398
 399                 showArticleInHeadlines(id);
 400
 401                 if (!cached_article) {
 402
 403                         notify_progress("Loading, please wait...");
 404
 405                 } else if (cached_article && article_is_unread) {
 406
 407                         query = query + "&mode=prefetch";
 408
 409                         render_article(cached_article);
 410
 411                 } else if (cached_article) {
 412
 413                         query = query + "&mode=prefetch_old";
 414                         render_article(cached_article);
 415                 }
 416
 417                 cache_expire();
 418
 419                 new Ajax.Request(query, {
 420                         onComplete: function(transport) {
 421                                 article_callback2(transport, id, feed_id);
 422                         } });
 423
 424         } catch (e) {
 425                 exception_error("view", e);
 426         }
 427 }
 428
 429 function tMark(id) {
 430         return toggleMark(id);
 431 }
 432
 433 function tPub(id) {
 434         return togglePub(id);
 435 }
 436
 437 function tMark_afh_off(effect) {
 438         try {
 439                 var elem = effect.effects[0].element;
 440
 441                 debug("tMark_afh_off : " + elem.id);
 442
 443                 if (elem) {
 444                         elem.src = elem.src.replace("mark_set", "mark_unset");
 445                         elem.alt = __("Star article");
 446                         Element.show(elem);
 447                 }
 448
 449         } catch (e) {
 450                 exception_error("tMark_afh_off", e);
 451         }
 452 }
 453
 454 function tPub_afh_off(effect) {
 455         try {
 456                 var elem = effect.effects[0].element;
 457
 458                 debug("tPub_afh_off : " + elem.id);
 459
 460                 if (elem) {
 461                         elem.src = elem.src.replace("pub_set", "pub_unset");
 462                         elem.alt = __("Publish article");
 463                         Element.show(elem);
 464                 }
 465
 466         } catch (e) {
 467                 exception_error("tPub_afh_off", e);
 468         }
 469 }
 470
 471 function toggleMark(id, client_only, no_effects) {
 472
 473         try {
 474
 475                 var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 476
 477                 query = query + "&afid=" + getActiveFeedId();
 478
 479                 if (tagsAreDisplayed()) {
 480                         query = query + "&omode=tl";
 481                 } else {
 482                         query = query + "&omode=flc";
 483                 }
 484
 485                 var mark_img = document.getElementById("FMPIC-" + id);
 486                 var vfeedu = document.getElementById("FEEDU--1");
 487                 var crow = document.getElementById("RROW-" + id);
 488
 489                 if (mark_img.src.match("mark_unset")) {
 490                         mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
 491                         mark_img.alt = __("Unstar article");
 492                         query = query + "&mark=1";
 493
 494 /*                      if (vfeedu && crow.className.match("Unread")) {
 495                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 496                         } */
 497
 498                 } else {
 499                         //mark_img.src = "images/mark_unset.png";
 500                         mark_img.alt = __("Please wait...");
 501                         query = query + "&mark=0";
 502
 503 /*                      if (vfeedu && crow.className.match("Unread")) {
 504                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 505                         } */
 506
 507                         if (document.getElementById("headlinesList") && !no_effects) {
 508                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 509                         } else {
 510                                 mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
 511                                 mark_img.alt = __("Star article");
 512                         }
 513                 }
 514
 515 /*              var vfeedctr = document.getElementById("FEEDCTR--1");
 516                 var vfeedr = document.getElementById("FEEDR--1");
 517
 518                 if (vfeedu && vfeedctr) {
 519                         if ((+vfeedu.innerHTML) > 0) {
 520                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 521                                         vfeedr.className = vfeedr.className + "Unread";
 522                                         vfeedctr.className = "odd";
 523                                 }
 524                         } else {
 525                                 vfeedctr.className = "invisible";
 526                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 527                         }
 528                 }
 529
 530                 debug("toggle starred for aid " + id);
 531
 532                 //new Ajax.Request(query); */
 533
 534                 if (!client_only) {
 535                         debug(query);
 536
 537                         new Ajax.Request(query, {
 538                                 onComplete: function(transport) {
 539                                         all_counters_callback2(transport);
 540                                 } });
 541
 542                 }
 543
 544         } catch (e) {
 545                 exception_error("toggleMark", e);
 546         }
 547 }
 548
 549 function togglePub(id, client_only, no_effects) {
 550
 551         try {
 552
 553                 var query = "backend.php?op=rpc&id=" + id + "&subop=publ";
 554
 555                 query = query + "&afid=" + getActiveFeedId();
 556
 557                 if (tagsAreDisplayed()) {
 558                         query = query + "&omode=tl";
 559                 } else {
 560                         query = query + "&omode=flc";
 561                 }
 562
 563                 var mark_img = document.getElementById("FPPIC-" + id);
 564                 var vfeedu = document.getElementById("FEEDU--2");
 565                 var crow = document.getElementById("RROW-" + id);
 566
 567                 if (mark_img.src.match("pub_unset")) {
 568                         mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
 569                         mark_img.alt = __("Unpublish article");
 570                         query = query + "&pub=1";
 571
 572 /*                      if (vfeedu && crow.className.match("Unread")) {
 573                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 574                         } */
 575
 576                 } else {
 577                         //mark_img.src = "images/pub_unset.png";
 578                         mark_img.alt = __("Please wait...");
 579                         query = query + "&pub=0";
 580
 581 /*                      if (vfeedu && crow.className.match("Unread")) {
 582                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 583                         } */
 584
 585                         if (document.getElementById("headlinesList") && !no_effects) {
 586                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 587                         } else {
 588                                 mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
 589                                 mark_img.alt = __("Publish article");
 590                         }
 591                 }
 592
 593 /*              var vfeedctr = document.getElementById("FEEDCTR--2");
 594                 var vfeedr = document.getElementById("FEEDR--2");
 595
 596                 if (vfeedu && vfeedctr) {
 597                         if ((+vfeedu.innerHTML) > 0) {
 598                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 599                                         vfeedr.className = vfeedr.className + "Unread";
 600                                         vfeedctr.className = "odd";
 601                                 }
 602                         } else {
 603                                 vfeedctr.className = "invisible";
 604                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 605                         }
 606                 }
 607
 608                 debug("toggle published for aid " + id);
 609
 610                 new Ajax.Request(query); */
 611
 612                 if (!client_only) {
 613                         new Ajax.Request(query, {
 614                                 onComplete: function(transport) {
 615                                         all_counters_callback2(transport);
 616                                 } });
 617                 }
 618
 619         } catch (e) {
 620
 621                 exception_error("togglePub", e);
 622         }
 623 }
 624
 625 function correctHeadlinesOffset(id) {
 626
 627         try {
 628
 629                 var hlist = document.getElementById("headlinesList");
 630                 var container = document.getElementById("headlinesInnerContainer");
 631                 var row = document.getElementById("RROW-" + id);
 632
 633                 var viewport = container.offsetHeight;
 634
 635                 var rel_offset_top = row.offsetTop - container.scrollTop;
 636                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 637
 638                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 639                 debug("Vport: " + viewport);
 640
 641                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 642                         container.scrollTop = row.offsetTop;
 643                 } else if (rel_offset_bottom > viewport) {
 644
 645                         /* doesn't properly work with Opera in some cases because
 646                                 Opera fucks up element scrolling */
 647
 648                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 649                 }
 650
 651         } catch (e) {
 652                 exception_error("correctHeadlinesOffset", e);
 653         }
 654
 655 }
 656
 657 function moveToPost(mode) {
 658
 659         // check for combined mode
 660         if (!document.getElementById("headlinesList"))
 661                 return;
 662
 663         var rows = getVisibleHeadlineIds();
 664
 665         var prev_id = false;
 666         var next_id = false;
 667
 668         if (!document.getElementById('RROW-' + active_post_id)) {
 669                 active_post_id = false;
 670         }
 671
 672         if (active_post_id == false) {
 673                 next_id = getFirstVisibleHeadlineId();
 674                 prev_id = getLastVisibleHeadlineId();
 675         } else {
 676                 for (var i = 0; i < rows.length; i++) {
 677                         if (rows[i] == active_post_id) {
 678                                 prev_id = rows[i-1];
 679                                 next_id = rows[i+1];
 680                         }
 681                 }
 682         }
 683
 684         if (mode == "next") {
 685                 if (next_id) {
 686                         correctHeadlinesOffset(next_id);
 687                         view(next_id, getActiveFeedId());
 688                 }
 689         }
 690
 691         if (mode == "prev") {
 692                 if (prev_id) {
 693                         correctHeadlinesOffset(prev_id);
 694                         view(prev_id, getActiveFeedId());
 695                 }
 696         }
 697 }
 698
 699 function toggleUnread(id, cmode) {
 700         try {
 701
 702                 var row = document.getElementById("RROW-" + id);
 703                 if (row) {
 704                         var nc = row.className;
 705                         nc = nc.replace("Unread", "");
 706                         nc = nc.replace("Selected", "");
 707
 708                         if (cmode == undefined || cmode == 2) {
 709                                 if (row.className.match("Unread")) {
 710                                         row.className = nc;
 711                                 } else {
 712                                         row.className = nc + "Unread";
 713                                 }
 714                         } else if (cmode == 0) {
 715                                 row.className = nc;
 716                         } else if (cmode == 1) {
 717                                 row.className = nc + "Unread";
 718                         }
 719
 720                         if (cmode == undefined) cmode = 2;
 721
 722                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 723                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 724
 725 //                      notify_progress("Loading, please wait...");
 726
 727                         new Ajax.Request(query, {
 728                                 onComplete: function(transport) {
 729                                         all_counters_callback2(transport);
 730                                 } });
 731
 732                 }
 733
 734
 735         } catch (e) {
 736                 exception_error("toggleUnread", e);
 737         }
 738 }
 739
 740 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
 741         try {
 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 && !no_error) {
 751                         alert(__("No articles are selected."));
 752                         return;
 753                 }
 754
 755                 for (i = 0; i < rows.length; i++) {
 756                         var row = document.getElementById("RROW-" + rows[i]);
 757                         if (row) {
 758                                 var nc = row.className;
 759                                 nc = nc.replace("Unread", "");
 760                                 nc = nc.replace("Selected", "");
 761
 762                                 if (set_state == undefined) {
 763                                         if (row.className.match("Unread")) {
 764                                                 row.className = nc + "Selected";
 765                                         } else {
 766                                                 row.className = nc + "UnreadSelected";
 767                                         }
 768                                 }
 769
 770                                 if (set_state == false) {
 771                                         row.className = nc + "Selected";
 772                                 }
 773
 774                                 if (set_state == true) {
 775                                         row.className = nc + "UnreadSelected";
 776                                 }
 777                         }
 778                 }
 779
 780                 if (rows.length > 0) {
 781
 782                         var cmode = "";
 783
 784                         if (set_state == undefined) {
 785                                 cmode = "2";
 786                         } else if (set_state == true) {
 787                                 cmode = "1";
 788                         } else if (set_state == false) {
 789                                 cmode = "0";
 790                         }
 791
 792                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 793                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 794
 795                         notify_progress("Loading, please wait...");
 796
 797                         new Ajax.Request(query, {
 798                                 onComplete: function(transport) {
 799                                         catchup_callback2(transport, callback_func);
 800                                 } });
 801
 802                 }
 803
 804         } catch (e) {
 805                 exception_error("selectionToggleUnread", e);
 806         }
 807 }
 808
 809 function selectionToggleMarked(cdm_mode) {
 810         try {
 811
 812                 var rows;
 813
 814                 if (cdm_mode) {
 815                         rows = cdmGetSelectedArticles();
 816                 } else {
 817                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 818                 }
 819
 820                 if (rows.length == 0) {
 821                         alert(__("No articles are selected."));
 822                         return;
 823                 }
 824
 825                 for (i = 0; i < rows.length; i++) {
 826                         toggleMark(rows[i], true, true);
 827                 }
 828
 829                 if (rows.length > 0) {
 830
 831                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 832                                 param_escape(rows.toString()) + "&cmode=2";
 833
 834                         query = query + "&afid=" + getActiveFeedId();
 835
 836 /*                      if (tagsAreDisplayed()) {
 837                                 query = query + "&omode=tl";
 838                         } else {
 839                                 query = query + "&omode=flc";
 840                         } */
 841
 842                         query = query + "&omode=lc";
 843
 844                         new Ajax.Request(query, {
 845                                 onComplete: function(transport) {
 846                                         all_counters_callback2(transport);
 847                                 } });
 848
 849                 }
 850
 851         } catch (e) {
 852                 exception_error("selectionToggleMarked", e);
 853         }
 854 }
 855
 856 function selectionTogglePublished(cdm_mode) {
 857         try {
 858
 859                 var rows;
 860
 861                 if (cdm_mode) {
 862                         rows = cdmGetSelectedArticles();
 863                 } else {
 864                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 865                 }
 866
 867                 if (rows.length == 0) {
 868                         alert(__("No articles are selected."));
 869                         return;
 870                 }
 871
 872                 for (i = 0; i < rows.length; i++) {
 873                         togglePub(rows[i], true, true);
 874                 }
 875
 876                 if (rows.length > 0) {
 877
 878                         var query = "backend.php?op=rpc&subop=publishSelected&ids=" +
 879                                 param_escape(rows.toString()) + "&cmode=2";
 880
 881                         query = query + "&afid=" + getActiveFeedId();
 882
 883 /*                      if (tagsAreDisplayed()) {
 884                                 query = query + "&omode=tl";
 885                         } else {
 886                                 query = query + "&omode=flc";
 887                         } */
 888
 889                         query = query + "&omode=lc";
 890
 891                         new Ajax.Request(query, {
 892                                 onComplete: function(transport) {
 893                                         all_counters_callback2(transport);
 894                                 } });
 895
 896                 }
 897
 898         } catch (e) {
 899                 exception_error("selectionToggleMarked", e);
 900         }
 901 }
 902
 903 function cdmGetSelectedArticles() {
 904         var sel_articles = new Array();
 905         var container = document.getElementById("headlinesInnerContainer");
 906
 907         for (i = 0; i < container.childNodes.length; i++) {
 908                 var child = container.childNodes[i];
 909
 910                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 911                         var c_id = child.id.replace("RROW-", "");
 912                         sel_articles.push(c_id);
 913                 }
 914         }
 915
 916         return sel_articles;
 917 }
 918
 919 function cdmGetVisibleArticles() {
 920         var sel_articles = new Array();
 921         var container = document.getElementById("headlinesInnerContainer");
 922
 923         for (i = 0; i < container.childNodes.length; i++) {
 924                 var child = container.childNodes[i];
 925
 926                 if (child.id.match("RROW-")) {
 927                         var c_id = child.id.replace("RROW-", "");
 928                         sel_articles.push(c_id);
 929                 }
 930         }
 931
 932         return sel_articles;
 933 }
 934
 935 function cdmGetUnreadArticles() {
 936         var sel_articles = new Array();
 937         var container = document.getElementById("headlinesInnerContainer");
 938
 939         for (i = 0; i < container.childNodes.length; i++) {
 940                 var child = container.childNodes[i];
 941
 942                 if (child.id.match("RROW-") && child.className.match("Unread")) {
 943                         var c_id = child.id.replace("RROW-", "");
 944                         sel_articles.push(c_id);
 945                 }
 946         }
 947
 948         return sel_articles;
 949 }
 950
 951
 952 // mode = all,none,unread
 953 function cdmSelectArticles(mode) {
 954         var container = document.getElementById("headlinesInnerContainer");
 955
 956         for (i = 0; i < container.childNodes.length; i++) {
 957                 var child = container.childNodes[i];
 958
 959                 if (child.id.match("RROW-")) {
 960                         var aid = child.id.replace("RROW-", "");
 961
 962                         var cb = document.getElementById("RCHK-" + aid);
 963
 964                         if (mode == "all") {
 965                                 if (!child.className.match("Selected")) {
 966                                         child.className = child.className + "Selected";
 967                                         cb.checked = true;
 968                                 }
 969                         } else if (mode == "unread") {
 970                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 971                                         child.className = child.className + "Selected";
 972                                         cb.checked = true;
 973                                 }
 974                         } else {
 975                                 child.className = child.className.replace("Selected", "");
 976                                 cb.checked = false;
 977                         }
 978                 }
 979         }
 980 }
 981
 982 function catchupPage() {
 983
 984         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 985
 986         var str = __("Mark all visible articles in %s as read?");
 987
 988         str = str.replace("%s", fn);
 989
 990         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 991                 return;
 992         }
 993
 994         if (document.getElementById("headlinesList")) {
 995                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 996                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 997                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 998         } else {
 999                 cdmSelectArticles('all');
1000                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
1001                 cdmSelectArticles('none');
1002         }
1003 }
1004
1005 function catchupSelection() {
1006
1007         try {
1008
1009                 var rows;
1010
1011                 if (document.getElementById("headlinesList")) {
1012                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
1013                 } else {
1014                         rows = cdmGetSelectedArticles();
1015                 }
1016
1017                 if (rows.length == 0) {
1018                         alert(__("No articles are selected."));
1019                         return;
1020                 }
1021
1022
1023                 var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
1024
1025                 var str = __("Mark %d selected articles in %s as read?");
1026
1027                 str = str.replace("%d", rows.length);
1028                 str = str.replace("%s", fn);
1029
1030                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1031                         return;
1032                 }
1033
1034                 if (document.getElementById("headlinesList")) {
1035                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
1036         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
1037                 } else {
1038                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
1039         //              cdmSelectArticles('none');
1040                 }
1041
1042         } catch (e) {
1043                 exception_error("catchupSelection", e);
1044         }
1045 }
1046
1047
1048 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
1049
1050         if (!xmlhttp_ready(xmlhttp_rpc)) {
1051                 printLockingError();
1052         }
1053
1054         var title = prompt(__("Please enter label title:"), "");
1055
1056         if (title) {
1057
1058                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
1059                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
1060                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
1061                         "&title=" + param_escape(title);
1062
1063                 debug("LFS: " + query);
1064
1065                 new Ajax.Request(query, {
1066                         onComplete: function(transport) {
1067                                         dlg_frefresh_callback(transport);
1068                                 } });
1069         }
1070 }
1071
1072 function editArticleTags(id, feed_id, cdm_enabled) {
1073         _tag_active_post_id = id;
1074         _tag_active_feed_id = feed_id;
1075         _tag_active_cdm = cdm_enabled;
1076
1077         cache_invalidate(id);
1078
1079         try {
1080                 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
1081         } catch (e) { }
1082         displayDlg('editArticleTags', id);
1083 }
1084
1085
1086 function tag_saved_callback(transport) {
1087         try {
1088                 debug("in tag_saved_callback");
1089
1090                 closeInfoBox();
1091                 notify("");
1092
1093                 if (tagsAreDisplayed()) {
1094                         _reload_feedlist_after_view = true;
1095                 }
1096
1097                 if (!_tag_active_cdm) {
1098                         if (active_post_id == _tag_active_post_id) {
1099                                 debug("reloading current article");
1100                                 view(_tag_active_post_id, _tag_active_feed_id);
1101                         }
1102                 } else {
1103                         debug("reloading current feed");
1104                         viewCurrentFeed();
1105                 }
1106
1107         } catch (e) {
1108                 exception_error("catchup_callback", e);
1109         }
1110 }
1111
1112 function editTagsSave() {
1113
1114         notify_progress("Saving article tags...");
1115
1116         var form = document.forms["tag_edit_form"];
1117
1118         var query = Form.serialize("tag_edit_form");
1119
1120         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
1121
1122         debug(query);
1123
1124         new Ajax.Request(query, {
1125                 onComplete: function(transport) {
1126                                 tag_saved_callback(transport);
1127                         } });
1128
1129 }
1130
1131 function editTagsInsert() {
1132         try {
1133
1134                 var form = document.forms["tag_edit_form"];
1135
1136                 var found_tags = form.found_tags;
1137                 var tags_str = form.tags_str;
1138
1139                 var tag = found_tags[found_tags.selectedIndex].value;
1140
1141                 if (tags_str.value.length > 0 &&
1142                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1143
1144                         tags_str.value = tags_str.value + ", ";
1145                 }
1146
1147                 tags_str.value = tags_str.value + tag + ", ";
1148
1149                 found_tags.selectedIndex = 0;
1150
1151         } catch (e) {
1152                 exception_error(e, "editTagsInsert");
1153         }
1154 }
1155
1156 function cdmWatchdog() {
1157
1158         try {
1159
1160                 var ctr = document.getElementById("headlinesInnerContainer");
1161
1162                 if (!ctr) return;
1163
1164                 var ids = new Array();
1165
1166                 var e = ctr.firstChild;
1167
1168                 while (e) {
1169                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1170                                         e.id.match("RROW-")) {
1171
1172                                 // article fits in viewport OR article is longer than viewport and
1173                                 // its bottom is visible
1174
1175                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1176                                                 ctr.scrollTop + ctr.offsetHeight) {
1177
1178 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1179 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1180 //                                              (ctr.scrollTop + ctr.offsetHeight));
1181
1182                                         ids.push(e.id.replace("RROW-", ""));
1183
1184                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1185                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1186                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1187
1188                                         ids.push(e.id.replace("RROW-", ""));
1189
1190                                 }
1191
1192                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1193
1194 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1195                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1196
1197                                         ids.push(e.id.replace("RROW-", ""));
1198
1199                                 } */
1200
1201                         }
1202
1203                         e = e.nextSibling;
1204                 }
1205
1206                 debug("cdmWatchdog, ids= " + ids.toString());
1207
1208                 if (ids.length > 0) {
1209
1210                         for (var i = 0; i < ids.length; i++) {
1211                                 var e = document.getElementById("RROW-" + ids[i]);
1212                                 if (e) {
1213                                         e.className = e.className.replace("Unread", "");
1214                                 }
1215                         }
1216
1217                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1218                                 param_escape(ids.toString()) + "&cmode=0";
1219
1220                         new Ajax.Request(query, {
1221                                 onComplete: function(transport) {
1222                                         all_counters_callback2(transport);
1223                                 } });
1224
1225                 }
1226
1227                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1228
1229         } catch (e) {
1230                 exception_error(e, "cdmWatchdog");
1231         }
1232
1233 }
1234
1235
1236 function cache_inject(id, article, param) {
1237         if (!cache_check_param(id, param)) {
1238                 debug("cache_article: miss: " + id + " [p=" + param + "]");
1239
1240                 var cache_obj = new Array();
1241
1242                 cache_obj["id"] = id;
1243                 cache_obj["data"] = article;
1244                 cache_obj["param"] = param;
1245
1246                 article_cache.push(cache_obj);
1247
1248         } else {
1249                 debug("cache_article: hit: " + id + " [p=" + param + "]");
1250         }
1251 }
1252
1253 function cache_find(id) {
1254         for (var i = 0; i < article_cache.length; i++) {
1255                 if (article_cache[i]["id"] == id) {
1256                         return article_cache[i]["data"];
1257                 }
1258         }
1259         return false;
1260 }
1261
1262 function cache_find_param(id, param) {
1263         for (var i = 0; i < article_cache.length; i++) {
1264                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1265                         return article_cache[i]["data"];
1266                 }
1267         }
1268         return false;
1269 }
1270
1271 function cache_check(id) {
1272         for (var i = 0; i < article_cache.length; i++) {
1273                 if (article_cache[i]["id"] == id) {
1274                         return true;
1275                 }
1276         }
1277         return false;
1278 }
1279
1280 function cache_check_param(id, param) {
1281         for (var i = 0; i < article_cache.length; i++) {
1282
1283 //              debug("cache_check_param " + article_cache[i]["id"] + ":" +
1284 //                      article_cache[i]["param"] + " vs " + id + ":" + param);
1285
1286                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1287                         return true;
1288                 }
1289         }
1290         return false;
1291 }
1292
1293 function cache_expire() {
1294         while (article_cache.length > 20) {
1295                 article_cache.shift();
1296         }
1297 }
1298
1299 function cache_invalidate(id) {
1300         var i = 0
1301
1302         try {
1303
1304                 while (i < article_cache.length) {
1305                         if (article_cache[i]["id"] == id) {
1306                                 debug("cache_invalidate: removed id " + id);
1307                                 article_cache.splice(i, 1);
1308                                 return true;
1309                         }
1310                         i++;
1311                 }
1312                 debug("cache_invalidate: id not found: " + id);
1313                 return false;
1314         } catch (e) {
1315                 exception_error("cache_invalidate", e);
1316         }
1317 }
1318
1319 function getActiveArticleId() {
1320         return active_post_id;
1321 }
1322
1323 function cdmMouseIn(elem) {
1324         try {
1325                 if (elem.id && elem.id.match("RROW-")) {
1326                         var id = elem.id.replace("RROW-", "");
1327                         active_post_id = id;
1328                 }
1329         } catch (e) {
1330                 exception_error("cdmMouseIn", e);
1331         }
1332
1333 }
1334
1335 function cdmMouseOut(elem) {
1336         active_post_id = false;
1337 }
1338
1339 function headlines_scroll_handler() {
1340         try {
1341
1342                 var e = document.getElementById("headlinesInnerContainer");
1343
1344                 // don't do infinite scrolling when Limit == All
1345
1346                 var toolbar_form = document.forms["main_toolbar_form"];
1347
1348                 var limit = toolbar_form.limit[toolbar_form.limit.selectedIndex];
1349                 if (limit.value != 0) {
1350                         if (e.scrollTop + e.offsetHeight > e.scrollHeight - 50) {
1351                                 if (!_infscroll_disable) {
1352                                         debug("more cowbell!");
1353                                         viewNextFeedPage();
1354                                 }
1355                         }
1356                 }
1357
1358         } catch (e) {
1359                 exception_error("headlines_scroll_handler", e);
1360         }
1361 }
1362
1363 function catchupRelativeToArticle(below) {
1364
1365         try {
1366
1367                 if (!xmlhttp_ready(xmlhttp_rpc)) {
1368                         printLockingError();
1369                 }
1370
1371                 if (!getActiveArticleId()) {
1372                         alert(__("No article is selected."));
1373                         return;
1374                 }
1375
1376                 var visible_ids;
1377
1378                 if (document.getElementById("headlinesList")) {
1379                         visible_ids = getVisibleHeadlineIds();
1380                 } else {
1381                         visible_ids = cdmGetVisibleArticles();
1382                 }
1383
1384                 var ids_to_mark = new Array();
1385
1386                 if (!below) {
1387                         for (var i = 0; i < visible_ids.length; i++) {
1388                                 if (visible_ids[i] != getActiveArticleId()) {
1389                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1390
1391                                         if (e && e.className.match("Unread")) {
1392                                                 ids_to_mark.push(visible_ids[i]);
1393                                         }
1394                                 } else {
1395                                         break;
1396                                 }
1397                         }
1398                 } else {
1399                         for (var i = visible_ids.length-1; i >= 0; i--) {
1400                                 if (visible_ids[i] != getActiveArticleId()) {
1401                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1402
1403                                         if (e && e.className.match("Unread")) {
1404                                                 ids_to_mark.push(visible_ids[i]);
1405                                         }
1406                                 } else {
1407                                         break;
1408                                 }
1409                         }
1410                 }
1411
1412                 if (ids_to_mark.length == 0) {
1413                         alert(__("No articles found to mark"));
1414                 } else {
1415                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1416
1417                         if (confirm(msg)) {
1418
1419                                 for (var i = 0; i < ids_to_mark.length; i++) {
1420                                         var e = document.getElementById("RROW-" + ids_to_mark[i]);
1421                                         e.className = e.className.replace("Unread", "");
1422                                 }
1423
1424                                 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1425                                         param_escape(ids_to_mark.toString()) + "&cmode=0";
1426
1427                                 new Ajax.Request(query, {
1428                                         onComplete: function(transport) {
1429                                                 catchup_callback2(transport);
1430                                         } });
1431
1432                         }
1433                 }
1434
1435         } catch (e) {
1436                 exception_error("catchupRelativeToArticle", e);
1437         }
1438 }
1439
1440 function cdmExpandArticle(a_id) {
1441         try {
1442                 var id = 'CICD-' + a_id;
1443
1444                 Effect.Appear(id, {duration : 0.5,
1445                         beforeStart: function(effect) {
1446                                 var h_id = 'CICH-' + a_id;
1447                                 var h_elem = document.getElementById(h_id);
1448                                 if (h_elem) { h_elem.style.display = "none"; }
1449
1450                                 toggleUnread(a_id, 0);
1451                         }});
1452
1453
1454         } catch (e) {
1455                 exception_error("appearBlockElementF", e);
1456         }
1457
1458 }
1459
1460