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
 179                 notify("");
 180         } catch (e) {
 181                 exception_error("headlines_callback2", e);
 182         }
 183 }
 184
 185 function render_article(article) {
 186         try {
 187                 var f = document.getElementById("content-frame");
 188                 try {
 189                         f.scrollTop = 0;
 190                 } catch (e) { };
 191
 192                 f.innerHTML = article;
 193
 194         } catch (e) {
 195                 exception_error("render_article", e);
 196         }
 197 }
 198
 199 function article_callback() {
 200         if (xmlhttp.readyState == 4) {
 201                 debug("article_callback");
 202
 203                 try {
 204                         if (xmlhttp.responseXML) {
 205                                 var reply = xmlhttp.responseXML.firstChild.firstChild;
 206
 207                                 var articles = xmlhttp.responseXML.getElementsByTagName("article");
 208
 209                                 for (var i = 0; i < articles.length; i++) {
 210                                         var a_id = articles[i].getAttribute("id");
 211
 212                                         debug("found id: " + a_id);
 213
 214                                         if (a_id == active_post_id) {
 215                                                 debug("active article, rendering...");
 216                                                 render_article(articles[i].firstChild.nodeValue);
 217                                         }
 218
 219                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 220                                 }
 221
 222                         } else {
 223                                 debug("article_callback: returned no XML object");
 224                                 var f = document.getElementById("content-frame");
 225                                 f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 226                         }
 227                 } catch (e) {
 228                         exception_error("article_callback", e);
 229                 }
 230
 231                 var date = new Date();
 232                 last_article_view = date.getTime() / 1000;
 233
 234                 if (typeof correctPNG != 'undefined') {
 235                         correctPNG();
 236                 }
 237
 238                 if (_reload_feedlist_after_view) {
 239                         setTimeout('updateFeedList(false, false)', 50);
 240                         _reload_feedlist_after_view = false;
 241                 } else {
 242                         var counters = xmlhttp.responseXML.getElementsByTagName("counters")[0];
 243
 244                         if (counters) {
 245                                 debug("parsing piggybacked counters: " + counters);
 246                                 parse_counters(counters, false);
 247                         } else {
 248                                 debug("counters container not found in reply");
 249                         }
 250                 }
 251
 252                 notify("");
 253         }
 254 }
 255
 256 function view(id, feed_id, skip_history) {
 257
 258         try {
 259                 debug("loading article: " + id + "/" + feed_id);
 260
 261                 active_real_feed_id = feed_id;
 262
 263                 var cached_article = cache_find(id);
 264
 265                 debug("cache check result: " + (cached_article != false));
 266
 267                 enableHotkeys();
 268
 269                 //setActiveFeedId(feed_id);
 270
 271                 var query = "backend.php?op=view&id=" + param_escape(id) +
 272                         "&feed=" + param_escape(feed_id);
 273
 274                 var date = new Date();
 275
 276                 if (!xmlhttp_ready(xmlhttp) && last_article_view < date.getTime() / 1000 - 15) {
 277                         debug("<b>xmlhttp seems to be stuck at view, aborting</b>");
 278                         xmlhttp.abort();
 279                         if (is_safari()) {
 280                                 debug("trying alternative reset method for Safari");
 281                                 xmlhttp = Ajax.getTransport();
 282                         }
 283                 }
 284
 285                 if (xmlhttp_ready(xmlhttp)) {
 286
 287                         active_post_id = id;
 288
 289                         cleanSelected("headlinesList");
 290
 291                         var crow = document.getElementById("RROW-" + active_post_id);
 292
 293                         var article_is_unread = crow.className.match("Unread");
 294                         debug("article is unread: " + article_is_unread);
 295
 296                         crow.className = crow.className.replace("Unread", "");
 297
 298                         var upd_img_pic = document.getElementById("FUPDPIC-" + active_post_id);
 299
 300                         if (upd_img_pic) {
 301                                 upd_img_pic.src = "images/blank_icon.gif";
 302                         }
 303
 304                         selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 305                         markHeadline(active_post_id);
 306
 307                         var neighbor_ids = getRelativePostIds(active_post_id);
 308
 309                         /* only request uncached articles */
 310
 311                         var cids_to_request = Array();
 312
 313                         for (var i = 0; i < neighbor_ids.length; i++) {
 314                                 if (!cache_check(neighbor_ids[i])) {
 315                                         cids_to_request.push(neighbor_ids[i]);
 316                                 }
 317                         }
 318
 319                         debug("additional ids: " + cids_to_request.toString());
 320
 321                         /* additional info for piggyback counters */
 322
 323                         if (tagsAreDisplayed()) {
 324                                 query = query + "&omode=lt";
 325                         } else {
 326                                 query = query + "&omode=flc";
 327                         }
 328
 329                         var date = new Date();
 330                         var timestamp = Math.round(date.getTime() / 1000);
 331                         query = query + "&ts=" + timestamp;
 332
 333                         query = query + "&cids=" + cids_to_request.toString();
 334
 335                         if (!cached_article) {
 336
 337                                 notify_progress("Loading, please wait...");
 338
 339                                 debug(query);
 340
 341                                 xmlhttp.open("GET", query, true);
 342                                 xmlhttp.onreadystatechange=article_callback;
 343                                 xmlhttp.send(null);
 344                         } else if (cached_article && article_is_unread) {
 345
 346                                 query = query + "&mode=prefetch";
 347
 348                                 debug(query);
 349
 350                                 xmlhttp.open("GET", query, true);
 351                                 xmlhttp.onreadystatechange=article_callback;
 352                                 xmlhttp.send(null);
 353
 354                                 render_article(cached_article);
 355
 356                         } else if (cached_article) {
 357
 358                                 query = query + "&mode=prefetch_old";
 359
 360                                 debug(query);
 361
 362                                 xmlhttp.open("GET", query, true);
 363                                 xmlhttp.onreadystatechange=article_callback;
 364                                 xmlhttp.send(null);
 365
 366                                 render_article(cached_article);
 367
 368                         }
 369
 370                         cache_expire();
 371
 372                 } else {
 373                         debug("xmlhttp busy (@view)");
 374                         printLockingError();
 375                 }
 376
 377         } catch (e) {
 378                 exception_error("view", e);
 379         }
 380 }
 381
 382 function tMark(id) {
 383         return toggleMark(id);
 384 }
 385
 386 function tPub(id) {
 387         return togglePub(id);
 388 }
 389
 390 function tMark_afh_off(effect) {
 391         try {
 392                 var elem = effect.effects[0].element;
 393
 394                 debug("tMark_afh_off : " + elem.id);
 395
 396                 if (elem) {
 397                         elem.src = elem.src.replace("mark_set", "mark_unset");
 398                         elem.alt = __("Star article");
 399                         Element.show(elem);
 400                 }
 401
 402         } catch (e) {
 403                 exception_error("tMark_afh_off", e);
 404         }
 405 }
 406
 407 function tPub_afh_off(effect) {
 408         try {
 409                 var elem = effect.effects[0].element;
 410
 411                 debug("tPub_afh_off : " + elem.id);
 412
 413                 if (elem) {
 414                         elem.src = elem.src.replace("pub_set", "pub_unset");
 415                         elem.alt = __("Publish article");
 416                         Element.show(elem);
 417                 }
 418
 419         } catch (e) {
 420                 exception_error("tPub_afh_off", e);
 421         }
 422 }
 423
 424 function toggleMark(id, client_only, no_effects) {
 425
 426         try {
 427
 428                 var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 429
 430                 query = query + "&afid=" + getActiveFeedId();
 431
 432                 if (tagsAreDisplayed()) {
 433                         query = query + "&omode=tl";
 434                 } else {
 435                         query = query + "&omode=flc";
 436                 }
 437
 438                 var mark_img = document.getElementById("FMPIC-" + id);
 439                 var vfeedu = document.getElementById("FEEDU--1");
 440                 var crow = document.getElementById("RROW-" + id);
 441
 442                 if (mark_img.src.match("mark_unset")) {
 443                         mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
 444                         mark_img.alt = __("Unstar article");
 445                         query = query + "&mark=1";
 446
 447 /*                      if (vfeedu && crow.className.match("Unread")) {
 448                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 449                         } */
 450
 451                 } else {
 452                         //mark_img.src = "images/mark_unset.png";
 453                         mark_img.alt = __("Please wait...");
 454                         query = query + "&mark=0";
 455
 456 /*                      if (vfeedu && crow.className.match("Unread")) {
 457                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 458                         } */
 459
 460                         if (document.getElementById("headlinesList") && !no_effects) {
 461                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 462                         } else {
 463                                 mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
 464                                 mark_img.alt = __("Star article");
 465                         }
 466                 }
 467
 468 /*              var vfeedctr = document.getElementById("FEEDCTR--1");
 469                 var vfeedr = document.getElementById("FEEDR--1");
 470
 471                 if (vfeedu && vfeedctr) {
 472                         if ((+vfeedu.innerHTML) > 0) {
 473                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 474                                         vfeedr.className = vfeedr.className + "Unread";
 475                                         vfeedctr.className = "odd";
 476                                 }
 477                         } else {
 478                                 vfeedctr.className = "invisible";
 479                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 480                         }
 481                 }
 482
 483                 debug("toggle starred for aid " + id);
 484
 485                 //new Ajax.Request(query); */
 486
 487                 if (!client_only) {
 488                         debug(query);
 489
 490                         new Ajax.Request(query, {
 491                                 onComplete: function(transport) {
 492                                         all_counters_callback2(transport);
 493                                 } });
 494
 495                 }
 496
 497         } catch (e) {
 498                 exception_error("toggleMark", e);
 499         }
 500 }
 501
 502 function togglePub(id, client_only, no_effects) {
 503
 504         try {
 505
 506                 var query = "backend.php?op=rpc&id=" + id + "&subop=publ";
 507
 508                 query = query + "&afid=" + getActiveFeedId();
 509
 510                 if (tagsAreDisplayed()) {
 511                         query = query + "&omode=tl";
 512                 } else {
 513                         query = query + "&omode=flc";
 514                 }
 515
 516                 var mark_img = document.getElementById("FPPIC-" + id);
 517                 var vfeedu = document.getElementById("FEEDU--2");
 518                 var crow = document.getElementById("RROW-" + id);
 519
 520                 if (mark_img.src.match("pub_unset")) {
 521                         mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
 522                         mark_img.alt = __("Unpublish article");
 523                         query = query + "&pub=1";
 524
 525 /*                      if (vfeedu && crow.className.match("Unread")) {
 526                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 527                         } */
 528
 529                 } else {
 530                         //mark_img.src = "images/pub_unset.png";
 531                         mark_img.alt = __("Please wait...");
 532                         query = query + "&pub=0";
 533
 534 /*                      if (vfeedu && crow.className.match("Unread")) {
 535                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 536                         } */
 537
 538                         if (document.getElementById("headlinesList") && !no_effects) {
 539                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 540                         } else {
 541                                 mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
 542                                 mark_img.alt = __("Publish article");
 543                         }
 544                 }
 545
 546 /*              var vfeedctr = document.getElementById("FEEDCTR--2");
 547                 var vfeedr = document.getElementById("FEEDR--2");
 548
 549                 if (vfeedu && vfeedctr) {
 550                         if ((+vfeedu.innerHTML) > 0) {
 551                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 552                                         vfeedr.className = vfeedr.className + "Unread";
 553                                         vfeedctr.className = "odd";
 554                                 }
 555                         } else {
 556                                 vfeedctr.className = "invisible";
 557                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 558                         }
 559                 }
 560
 561                 debug("toggle published for aid " + id);
 562
 563                 new Ajax.Request(query); */
 564
 565                 if (!client_only) {
 566                         new Ajax.Request(query, {
 567                                 onComplete: function(transport) {
 568                                         all_counters_callback2(transport);
 569                                 } });
 570                 }
 571
 572         } catch (e) {
 573
 574                 exception_error("togglePub", e);
 575         }
 576 }
 577
 578 function correctHeadlinesOffset(id) {
 579
 580         try {
 581
 582                 var hlist = document.getElementById("headlinesList");
 583                 var container = document.getElementById("headlinesInnerContainer");
 584                 var row = document.getElementById("RROW-" + id);
 585
 586                 var viewport = container.offsetHeight;
 587
 588                 var rel_offset_top = row.offsetTop - container.scrollTop;
 589                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 590
 591                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 592                 debug("Vport: " + viewport);
 593
 594                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 595                         container.scrollTop = row.offsetTop;
 596                 } else if (rel_offset_bottom > viewport) {
 597
 598                         /* doesn't properly work with Opera in some cases because
 599                                 Opera fucks up element scrolling */
 600
 601                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 602                 }
 603
 604         } catch (e) {
 605                 exception_error("correctHeadlinesOffset", e);
 606         }
 607
 608 }
 609
 610 function moveToPost(mode) {
 611
 612         // check for combined mode
 613         if (!document.getElementById("headlinesList"))
 614                 return;
 615
 616         var rows = getVisibleHeadlineIds();
 617
 618         var prev_id = false;
 619         var next_id = false;
 620
 621         if (!document.getElementById('RROW-' + active_post_id)) {
 622                 active_post_id = false;
 623         }
 624
 625         if (active_post_id == false) {
 626                 next_id = getFirstVisibleHeadlineId();
 627                 prev_id = getLastVisibleHeadlineId();
 628         } else {
 629                 for (var i = 0; i < rows.length; i++) {
 630                         if (rows[i] == active_post_id) {
 631                                 prev_id = rows[i-1];
 632                                 next_id = rows[i+1];
 633                         }
 634                 }
 635         }
 636
 637         if (mode == "next") {
 638                 if (next_id) {
 639                         correctHeadlinesOffset(next_id);
 640                         view(next_id, getActiveFeedId());
 641                 }
 642         }
 643
 644         if (mode == "prev") {
 645                 if (prev_id) {
 646                         correctHeadlinesOffset(prev_id);
 647                         view(prev_id, getActiveFeedId());
 648                 }
 649         }
 650 }
 651
 652 function toggleUnread(id, cmode) {
 653         try {
 654
 655                 var row = document.getElementById("RROW-" + id);
 656                 if (row) {
 657                         var nc = row.className;
 658                         nc = nc.replace("Unread", "");
 659                         nc = nc.replace("Selected", "");
 660
 661                         if (row.className.match("Unread")) {
 662                                 row.className = nc;
 663                         } else {
 664                                 row.className = nc + "Unread";
 665                         }
 666
 667                         if (!cmode) cmode = 2;
 668
 669                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 670                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 671
 672 //                      notify_progress("Loading, please wait...");
 673
 674                         new Ajax.Request(query, {
 675                                 onComplete: function(transport) {
 676                                         all_counters_callback2(transport);
 677                                 } });
 678
 679                 }
 680
 681
 682         } catch (e) {
 683                 exception_error("toggleUnread", e);
 684         }
 685 }
 686
 687 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
 688         try {
 689 /*              if (!xmlhttp_ready(xmlhttp_rpc)) {
 690                         printLockingError();
 691                         return;
 692                 } */
 693
 694                 var rows;
 695
 696                 if (cdm_mode) {
 697                         rows = cdmGetSelectedArticles();
 698                 } else {
 699                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 700                 }
 701
 702                 if (rows.length == 0 && !no_error) {
 703                         alert(__("No articles are selected."));
 704                         return;
 705                 }
 706
 707                 for (i = 0; i < rows.length; i++) {
 708                         var row = document.getElementById("RROW-" + rows[i]);
 709                         if (row) {
 710                                 var nc = row.className;
 711                                 nc = nc.replace("Unread", "");
 712                                 nc = nc.replace("Selected", "");
 713
 714                                 if (set_state == undefined) {
 715                                         if (row.className.match("Unread")) {
 716                                                 row.className = nc + "Selected";
 717                                         } else {
 718                                                 row.className = nc + "UnreadSelected";
 719                                         }
 720                                 }
 721
 722                                 if (set_state == false) {
 723                                         row.className = nc + "Selected";
 724                                 }
 725
 726                                 if (set_state == true) {
 727                                         row.className = nc + "UnreadSelected";
 728                                 }
 729                         }
 730                 }
 731
 732                 if (rows.length > 0) {
 733
 734                         var cmode = "";
 735
 736                         if (set_state == undefined) {
 737                                 cmode = "2";
 738                         } else if (set_state == true) {
 739                                 cmode = "1";
 740                         } else if (set_state == false) {
 741                                 cmode = "0";
 742                         }
 743
 744                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 745                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 746
 747 //                      _catchup_callback_func = callback_func;
 748
 749                         debug(callback_func);
 750
 751                         notify_progress("Loading, please wait...");
 752
 753 /*                      xmlhttp_rpc.open("GET", query, true);
 754                         xmlhttp_rpc.onreadystatechange=catchup_callback;
 755                         xmlhttp_rpc.send(null); */
 756
 757                         new Ajax.Request(query, {
 758                                 onComplete: function(transport) {
 759                                         catchup_callback2(transport, callback_func);
 760                                 } });
 761
 762                 }
 763
 764         } catch (e) {
 765                 exception_error("selectionToggleUnread", e);
 766         }
 767 }
 768
 769 function selectionToggleMarked(cdm_mode) {
 770         try {
 771
 772                 var rows;
 773
 774                 if (cdm_mode) {
 775                         rows = cdmGetSelectedArticles();
 776                 } else {
 777                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 778                 }
 779
 780                 if (rows.length == 0) {
 781                         alert(__("No articles are selected."));
 782                         return;
 783                 }
 784
 785                 for (i = 0; i < rows.length; i++) {
 786                         toggleMark(rows[i], true, true);
 787                 }
 788
 789                 if (rows.length > 0) {
 790
 791                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 792                                 param_escape(rows.toString()) + "&cmode=2";
 793
 794                         query = query + "&afid=" + getActiveFeedId();
 795
 796 /*                      if (tagsAreDisplayed()) {
 797                                 query = query + "&omode=tl";
 798                         } else {
 799                                 query = query + "&omode=flc";
 800                         } */
 801
 802                         query = query + "&omode=lc";
 803
 804                         new Ajax.Request(query, {
 805                                 onComplete: function(transport) {
 806                                         all_counters_callback2(transport);
 807                                 } });
 808
 809                 }
 810
 811         } catch (e) {
 812                 exception_error("selectionToggleMarked", e);
 813         }
 814 }
 815
 816 function selectionTogglePublished(cdm_mode) {
 817         try {
 818
 819                 var rows;
 820
 821                 if (cdm_mode) {
 822                         rows = cdmGetSelectedArticles();
 823                 } else {
 824                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 825                 }
 826
 827                 if (rows.length == 0) {
 828                         alert(__("No articles are selected."));
 829                         return;
 830                 }
 831
 832                 for (i = 0; i < rows.length; i++) {
 833                         togglePub(rows[i], true, true);
 834                 }
 835
 836                 if (rows.length > 0) {
 837
 838                         var query = "backend.php?op=rpc&subop=publishSelected&ids=" +
 839                                 param_escape(rows.toString()) + "&cmode=2";
 840
 841                         query = query + "&afid=" + getActiveFeedId();
 842
 843 /*                      if (tagsAreDisplayed()) {
 844                                 query = query + "&omode=tl";
 845                         } else {
 846                                 query = query + "&omode=flc";
 847                         } */
 848
 849                         query = query + "&omode=lc";
 850
 851                         new Ajax.Request(query, {
 852                                 onComplete: function(transport) {
 853                                         all_counters_callback2(transport);
 854                                 } });
 855
 856                 }
 857
 858         } catch (e) {
 859                 exception_error("selectionToggleMarked", e);
 860         }
 861 }
 862
 863 function cdmGetSelectedArticles() {
 864         var sel_articles = new Array();
 865         var container = document.getElementById("headlinesInnerContainer");
 866
 867         for (i = 0; i < container.childNodes.length; i++) {
 868                 var child = container.childNodes[i];
 869
 870                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 871                         var c_id = child.id.replace("RROW-", "");
 872                         sel_articles.push(c_id);
 873                 }
 874         }
 875
 876         return sel_articles;
 877 }
 878
 879 function cdmGetVisibleArticles() {
 880         var sel_articles = new Array();
 881         var container = document.getElementById("headlinesInnerContainer");
 882
 883         for (i = 0; i < container.childNodes.length; i++) {
 884                 var child = container.childNodes[i];
 885
 886                 if (child.id.match("RROW-")) {
 887                         var c_id = child.id.replace("RROW-", "");
 888                         sel_articles.push(c_id);
 889                 }
 890         }
 891
 892         return sel_articles;
 893 }
 894
 895 function cdmGetUnreadArticles() {
 896         var sel_articles = new Array();
 897         var container = document.getElementById("headlinesInnerContainer");
 898
 899         for (i = 0; i < container.childNodes.length; i++) {
 900                 var child = container.childNodes[i];
 901
 902                 if (child.id.match("RROW-") && child.className.match("Unread")) {
 903                         var c_id = child.id.replace("RROW-", "");
 904                         sel_articles.push(c_id);
 905                 }
 906         }
 907
 908         return sel_articles;
 909 }
 910
 911
 912 // mode = all,none,unread
 913 function cdmSelectArticles(mode) {
 914         var container = document.getElementById("headlinesInnerContainer");
 915
 916         for (i = 0; i < container.childNodes.length; i++) {
 917                 var child = container.childNodes[i];
 918
 919                 if (child.id.match("RROW-")) {
 920                         var aid = child.id.replace("RROW-", "");
 921
 922                         var cb = document.getElementById("RCHK-" + aid);
 923
 924                         if (mode == "all") {
 925                                 if (!child.className.match("Selected")) {
 926                                         child.className = child.className + "Selected";
 927                                         cb.checked = true;
 928                                 }
 929                         } else if (mode == "unread") {
 930                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 931                                         child.className = child.className + "Selected";
 932                                         cb.checked = true;
 933                                 }
 934                         } else {
 935                                 child.className = child.className.replace("Selected", "");
 936                                 cb.checked = false;
 937                         }
 938                 }
 939         }
 940 }
 941
 942 function catchupPage() {
 943
 944         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 945
 946         var str = __("Mark all visible articles in %s as read?");
 947
 948         str = str.replace("%s", fn);
 949
 950         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 951                 return;
 952         }
 953
 954         if (document.getElementById("headlinesList")) {
 955                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 956                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 957                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 958         } else {
 959                 cdmSelectArticles('all');
 960                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 961                 cdmSelectArticles('none');
 962         }
 963 }
 964
 965 function catchupSelection() {
 966
 967         try {
 968
 969                 var rows;
 970
 971                 if (document.getElementById("headlinesList")) {
 972                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 973                 } else {
 974                         rows = cdmGetSelectedArticles();
 975                 }
 976
 977                 if (rows.length == 0) {
 978                         alert(__("No articles are selected."));
 979                         return;
 980                 }
 981
 982
 983                 var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 984
 985                 var str = __("Mark all selected articles in %s as read?");
 986
 987                 str = str.replace("%s", fn);
 988
 989                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 990                         return;
 991                 }
 992
 993                 if (document.getElementById("headlinesList")) {
 994                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 995         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 996                 } else {
 997                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 998         //              cdmSelectArticles('none');
 999                 }
1000
1001         } catch (e) {
1002                 exception_error("catchupSelection", e);
1003         }
1004 }
1005
1006
1007 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
1008
1009         if (!xmlhttp_ready(xmlhttp_rpc)) {
1010                 printLockingError();
1011         }
1012
1013         var title = prompt(__("Please enter label title:"), "");
1014
1015         if (title) {
1016
1017                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
1018                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
1019                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
1020                         "&title=" + param_escape(title);
1021
1022                 debug("LFS: " + query);
1023
1024                 xmlhttp_rpc.open("GET", query, true);
1025                 xmlhttp_rpc.onreadystatechange=dlg_frefresh_callback;
1026                 xmlhttp_rpc.send(null);
1027         }
1028
1029 }
1030
1031 function editArticleTags(id, feed_id, cdm_enabled) {
1032         _tag_active_post_id = id;
1033         _tag_active_feed_id = feed_id;
1034         _tag_active_cdm = cdm_enabled;
1035
1036         cache_invalidate(id);
1037
1038         try {
1039                 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
1040         } catch (e) { }
1041         displayDlg('editArticleTags', id);
1042 }
1043
1044
1045 function tag_saved_callback() {
1046         if (xmlhttp_rpc.readyState == 4) {
1047                 try {
1048                         debug("in tag_saved_callback");
1049
1050                         closeInfoBox();
1051                         notify("");
1052
1053                         if (tagsAreDisplayed()) {
1054                                 _reload_feedlist_after_view = true;
1055                         }
1056
1057                         if (!_tag_active_cdm) {
1058                                 if (active_post_id == _tag_active_post_id) {
1059                                         debug("reloading current article");
1060                                         view(_tag_active_post_id, _tag_active_feed_id);
1061                                 }
1062                         } else {
1063                                 debug("reloading current feed");
1064                                 viewCurrentFeed();
1065                         }
1066
1067                 } catch (e) {
1068                         exception_error("catchup_callback", e);
1069                 }
1070         }
1071 }
1072
1073 function editTagsSave() {
1074
1075         if (!xmlhttp_ready(xmlhttp_rpc)) {
1076                 printLockingError();
1077         }
1078
1079         notify_progress("Saving article tags...");
1080
1081         var form = document.forms["tag_edit_form"];
1082
1083         var query = Form.serialize("tag_edit_form");
1084
1085         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
1086
1087         debug(query);
1088
1089         xmlhttp_rpc.open("GET", query, true);
1090         xmlhttp_rpc.onreadystatechange=tag_saved_callback;
1091         xmlhttp_rpc.send(null);
1092
1093 }
1094
1095 function editTagsInsert() {
1096         try {
1097
1098                 var form = document.forms["tag_edit_form"];
1099
1100                 var found_tags = form.found_tags;
1101                 var tags_str = form.tags_str;
1102
1103                 var tag = found_tags[found_tags.selectedIndex].value;
1104
1105                 if (tags_str.value.length > 0 &&
1106                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1107
1108                         tags_str.value = tags_str.value + ", ";
1109                 }
1110
1111                 tags_str.value = tags_str.value + tag + ", ";
1112
1113                 found_tags.selectedIndex = 0;
1114
1115         } catch (e) {
1116                 exception_error(e, "editTagsInsert");
1117         }
1118 }
1119
1120 function cdmWatchdog() {
1121
1122         try {
1123
1124                 var ctr = document.getElementById("headlinesInnerContainer");
1125
1126                 if (!ctr) return;
1127
1128                 var ids = new Array();
1129
1130                 var e = ctr.firstChild;
1131
1132                 while (e) {
1133                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1134                                         e.id.match("RROW-")) {
1135
1136                                 // article fits in viewport OR article is longer than viewport and
1137                                 // its bottom is visible
1138
1139                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1140                                                 ctr.scrollTop + ctr.offsetHeight) {
1141
1142 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1143 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1144 //                                              (ctr.scrollTop + ctr.offsetHeight));
1145
1146                                         ids.push(e.id.replace("RROW-", ""));
1147
1148                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1149                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1150                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1151
1152                                         ids.push(e.id.replace("RROW-", ""));
1153
1154                                 }
1155
1156                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1157
1158 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1159                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1160
1161                                         ids.push(e.id.replace("RROW-", ""));
1162
1163                                 } */
1164
1165                         }
1166
1167                         e = e.nextSibling;
1168                 }
1169
1170                 debug("cdmWatchdog, ids= " + ids.toString());
1171
1172                 if (ids.length > 0) {
1173
1174                         for (var i = 0; i < ids.length; i++) {
1175                                 var e = document.getElementById("RROW-" + ids[i]);
1176                                 if (e) {
1177                                         e.className = e.className.replace("Unread", "");
1178                                 }
1179                         }
1180
1181                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1182                                 param_escape(ids.toString()) + "&cmode=0";
1183
1184                         new Ajax.Request(query, {
1185                                 onComplete: function(transport) {
1186                                         all_counters_callback2(transport);
1187                                 } });
1188
1189                 }
1190
1191                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1192
1193         } catch (e) {
1194                 exception_error(e, "cdmWatchdog");
1195         }
1196
1197 }
1198
1199
1200 function cache_inject(id, article) {
1201         if (!cache_check(id)) {
1202                 debug("cache_article: miss: " + id);
1203
1204                 var cache_obj = new Array();
1205
1206                 cache_obj["id"] = id;
1207                 cache_obj["data"] = article;
1208
1209                 article_cache.push(cache_obj);
1210
1211         } else {
1212                 debug("cache_article: hit: " + id);
1213         }
1214 }
1215
1216 function cache_find(id) {
1217         for (var i = 0; i < article_cache.length; i++) {
1218                 if (article_cache[i]["id"] == id) {
1219                         return article_cache[i]["data"];
1220                 }
1221         }
1222         return false;
1223 }
1224
1225 function cache_check(id) {
1226         for (var i = 0; i < article_cache.length; i++) {
1227                 if (article_cache[i]["id"] == id) {
1228                         return true;
1229                 }
1230         }
1231         return false;
1232 }
1233
1234 function cache_expire() {
1235         while (article_cache.length > 20) {
1236                 article_cache.shift();
1237         }
1238 }
1239
1240 function cache_invalidate(id) {
1241         var i = 0
1242
1243         try {
1244
1245                 while (i < article_cache.length) {
1246                         if (article_cache[i]["id"] == id) {
1247                                 debug("cache_invalidate: removed id " + id);
1248                                 article_cache.splice(i, 1);
1249                                 return true;
1250                         }
1251                         i++;
1252                 }
1253                 debug("cache_invalidate: id not found: " + id);
1254                 return false;
1255         } catch (e) {
1256                 exception_error("cache_invalidate", e);
1257         }
1258 }
1259
1260 function getActiveArticleId() {
1261         return active_post_id;
1262 }
1263
1264 function cdmMouseIn(elem) {
1265         try {
1266                 if (elem.id && elem.id.match("RROW-")) {
1267                         var id = elem.id.replace("RROW-", "");
1268                         active_post_id = id;
1269                 }
1270         } catch (e) {
1271                 exception_error("cdmMouseIn", e);
1272         }
1273
1274 }
1275
1276 function cdmMouseOut(elem) {
1277         active_post_id = false;
1278 }
1279
1280 function headlines_scroll_handler() {
1281         try {
1282
1283                 var e = document.getElementById("headlinesInnerContainer");
1284
1285                 if (e.scrollTop + e.offsetHeight > e.scrollHeight - 300) {
1286                         if (!_infscroll_disable) {
1287                                 debug("more cowbell!");
1288                                 viewNextFeedPage();
1289                         }
1290                 }
1291
1292         } catch (e) {
1293                 exception_error("headlines_scroll_handler", e);
1294         }
1295 }
1296
1297 function catchupRelativeToArticle(below) {
1298
1299         try {
1300
1301                 if (!xmlhttp_ready(xmlhttp_rpc)) {
1302                         printLockingError();
1303                 }
1304
1305                 if (!getActiveArticleId()) {
1306                         alert(__("No article is selected."));
1307                         return;
1308                 }
1309
1310                 var visible_ids;
1311
1312                 if (document.getElementById("headlinesList")) {
1313                         visible_ids = getVisibleHeadlineIds();
1314                 } else {
1315                         visible_ids = cdmGetVisibleArticles();
1316                 }
1317
1318                 var ids_to_mark = new Array();
1319
1320                 if (!below) {
1321                         for (var i = 0; i < visible_ids.length; i++) {
1322                                 if (visible_ids[i] != getActiveArticleId()) {
1323                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1324
1325                                         if (e && e.className.match("Unread")) {
1326                                                 ids_to_mark.push(visible_ids[i]);
1327                                         }
1328                                 } else {
1329                                         break;
1330                                 }
1331                         }
1332                 } else {
1333                         for (var i = visible_ids.length-1; i >= 0; i--) {
1334                                 if (visible_ids[i] != getActiveArticleId()) {
1335                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1336
1337                                         if (e && e.className.match("Unread")) {
1338                                                 ids_to_mark.push(visible_ids[i]);
1339                                         }
1340                                 } else {
1341                                         break;
1342                                 }
1343                         }
1344                 }
1345
1346                 if (ids_to_mark.length == 0) {
1347                         alert(__("No articles found to mark"));
1348                 } else {
1349                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1350
1351                         if (confirm(msg)) {
1352
1353                                 for (var i = 0; i < ids_to_mark.length; i++) {
1354                                         var e = document.getElementById("RROW-" + ids_to_mark[i]);
1355                                         e.className = e.className.replace("Unread", "");
1356                                 }
1357
1358                                 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1359                                         param_escape(ids_to_mark.toString()) + "&cmode=0";
1360
1361                                 xmlhttp_rpc.open("GET", query, true);
1362                                 xmlhttp_rpc.onreadystatechange=catchup_callback;
1363                                 xmlhttp_rpc.send(null);
1364
1365                         }
1366                 }
1367
1368         } catch (e) {
1369                 exception_error("catchupRelativeToArticle", e);
1370         }
1371 }