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