viewfeed.js

   1 var active_post_id = false;
   2 var last_article_view = false;
   3 var active_real_feed_id = false;
   4
   5 var _tag_active_post_id = false;
   6 var _tag_active_feed_id = false;
   7 var _tag_active_cdm = false;
   8
   9 // FIXME: kludge, to restore scrollTop after tag editor terminates
  10 var _tag_cdm_scroll = false;
  11
  12 // FIXME: kludges, needs proper implementation
  13 var _reload_feedlist_after_view = false;
  14
  15 var _cdm_wd_timeout = false;
  16 var _cdm_wd_vishist = new Array();
  17
  18 var article_cache = new Array();
  19
  20 function catchup_callback() {
  21         if (xmlhttp_rpc.readyState == 4) {
  22                 try {
  23                         debug("catchup_callback");
  24                         notify("");
  25                         all_counters_callback2(xmlhttp_rpc);
  26                         if (_catchup_callback_func) {
  27                                 setTimeout(_catchup_callback_func, 10);
  28                         }
  29                 } catch (e) {
  30                         exception_error("catchup_callback", e);
  31                 }
  32         }
  33 }
  34
  35 function catchup_callback2(transport, callback) {
  36         try {
  37                 debug("catchup_callback2 " + transport + ", " + callback);
  38                 notify("");
  39                 all_counters_callback2(transport);
  40                 if (callback) {
  41                         setTimeout(callback, 10);
  42                 }
  43         } catch (e) {
  44                 exception_error("catchup_callback2", e);
  45         }
  46 }
  47
  48 function clean_feed_selections() {
  49         try {
  50                 var feeds = document.getElementById("feedList").getElementsByTagName("LI");
  51
  52                 for (var i = 0; i < feeds.length; i++) {
  53                         if (feeds[i].id && feeds[i].id.match("FEEDR-")) {
  54                                 feeds[i].className = feeds[i].className.replace("Selected", "");
  55                         }
  56                 }
  57         } catch (e) {
  58                 exception_error("clean_feed_selections", e);
  59         }
  60 }
  61
  62 function headlines_callback2(transport, active_feed_id, is_cat, feed_cur_page) {
  63         try {
  64
  65                 debug("headlines_callback2 [page=" + feed_cur_page + "]");
  66
  67                 clean_feed_selections();
  68
  69                 setActiveFeedId(active_feed_id);
  70
  71                 if (is_cat != undefined) {
  72                         active_feed_is_cat = is_cat;
  73                 }
  74
  75                 if (!is_cat) {
  76                         var feedr = document.getElementById("FEEDR-" + active_feed_id);
  77                         if (feedr && !feedr.className.match("Selected")) {
  78                                 feedr.className = feedr.className + "Selected";
  79                         }
  80                 }
  81
  82                 var f = document.getElementById("headlines-frame");
  83                 try {
  84                         if (feed_cur_page == 0) {
  85                                 debug("resetting headlines scrollTop");
  86                                 f.scrollTop = 0;
  87                         }
  88                 } catch (e) { };
  89
  90                 if (transport.responseXML) {
  91                         var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
  92                         var headlines_count_obj = transport.responseXML.getElementsByTagName("headlines-count")[0];
  93                         var headlines_unread_obj = transport.responseXML.getElementsByTagName("headlines-unread")[0];
  94
  95                         var headlines_count = headlines_count_obj.getAttribute("value");
  96                         var headlines_unread = headlines_unread_obj.getAttribute("value");
  97
  98                         if (headlines_count == 0) _infscroll_disable = 1;
  99
 100                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 101                         var articles = transport.responseXML.getElementsByTagName("article");
 102                         var runtime_info = transport.responseXML.getElementsByTagName("runtime-info");
 103
 104                         if (feed_cur_page == 0) {
 105                                 if (headlines) {
 106                                         f.innerHTML = headlines.firstChild.nodeValue;
 107
 108                                         var cache_prefix = "";
 109
 110                                         if (is_cat) {
 111                                                 cache_prefix = "C:";
 112                                         } else {
 113                                                 cache_prefix = "F:";
 114                                         }
 115
 116                                         cache_inject(cache_prefix + active_feed_id,
 117                                                 headlines.firstChild.nodeValue, headlines_unread);
 118
 119                                 } else {
 120                                         debug("headlines_callback: returned no data");
 121                                 f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
 122
 123                                 }
 124                         } else {
 125                                 if (headlines) {
 126                                         if (headlines_count > 0) {
 127                                                 debug("adding some more headlines...");
 128
 129                                                 var c = document.getElementById("headlinesList");
 130
 131                                                 if (!c) {
 132                                                         c = document.getElementById("headlinesInnerContainer");
 133                                                 }
 134
 135                                                 var ids = getSelectedArticleIds2();
 136
 137                                                 c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
 138
 139                                                 debug("restore selected ids: " + ids);
 140
 141                                                 for (var i = 0; i < ids.length; i++) {
 142                                                         markHeadline(ids[i]);
 143                                                 }
 144
 145                                         } else {
 146                                                 debug("no new headlines received");
 147                                         }
 148                                 } else {
 149                                         debug("headlines_callback: returned no data");
 150                                         notify_error("Error while trying to load more headlines");
 151                                 }
 152
 153                         }
 154
 155                         if (articles) {
 156                                 for (var i = 0; i < articles.length; i++) {
 157                                         var a_id = articles[i].getAttribute("id");
 158                                         debug("found id: " + a_id);
 159                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 160                                 }
 161                         } else {
 162                                 debug("no cached articles received");
 163                         }
 164
 165                         if (counters) {
 166                                 debug("parsing piggybacked counters: " + counters);
 167                                 parse_counters(counters, false);
 168                         } else {
 169                                 debug("counters container not found in reply");
 170                         }
 171
 172                         if (runtime_info) {
 173                                 debug("parsing runtime info: " + runtime_info[0]);
 174                                 parse_runtime_info(runtime_info[0]);
 175                         } else {
 176                                 debug("counters container not found in reply");
 177                         }
 178
 179                 } else {
 180                         debug("headlines_callback: returned no XML object");
 181                         f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML object)') + "</div>";
 182                 }
 183
 184                 if (typeof correctPNG != 'undefined') {
 185                         correctPNG();
 186                 }
 187
 188                 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
 189
 190                 if (!document.getElementById("headlinesList") &&
 191                                 getInitParam("cdm_auto_catchup") == 1) {
 192                         debug("starting CDM watchdog");
 193                         _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 194                         _cdm_wd_vishist = new Array();
 195                 } else {
 196                         debug("not in CDM mode or watchdog disabled");
 197                 }
 198
 199                 if (_tag_cdm_scroll) {
 200                         try {
 201                                 document.getElementById("headlinesInnerContainer").scrollTop = _tag_cdm_scroll;
 202                                 _tag_cdm_scroll = false;
 203                                 debug("resetting headlinesInner scrollTop");
 204
 205                         } catch (e) { }
 206                 }
 207
 208                 _feed_cur_page = feed_cur_page;
 209                 _infscroll_request_sent = 0;
 210
 211                 notify("");
 212         } catch (e) {
 213                 exception_error("headlines_callback2", e);
 214         }
 215 }
 216
 217 function render_article(article) {
 218         try {
 219                 var f = document.getElementById("content-frame");
 220                 try {
 221                         f.scrollTop = 0;
 222                 } catch (e) { };
 223
 224                 f.innerHTML = article;
 225
 226         } catch (e) {
 227                 exception_error("render_article", e);
 228         }
 229 }
 230
 231 function showArticleInHeadlines(id) {
 232
 233         try {
 234
 235                 cleanSelected("headlinesList");
 236
 237                 var crow = document.getElementById("RROW-" + id);
 238
 239                 if (!crow) return;
 240
 241                 var article_is_unread = crow.className.match("Unread");
 242
 243                 crow.className = crow.className.replace("Unread", "");
 244
 245                 var upd_img_pic = document.getElementById("FUPDPIC-" + id);
 246
 247                 if (upd_img_pic) {
 248                         upd_img_pic.src = "images/blank_icon.gif";
 249                 }
 250
 251                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 252                 markHeadline(id);
 253
 254         } catch (e) {
 255                 exception_error("showArticleInHeadlines", e);
 256         }
 257 }
 258
 259 function article_callback2(transport, id, feed_id) {
 260         try {
 261                 debug("article_callback2 " + id);
 262
 263                 if (transport.responseXML) {
 264
 265                         active_real_feed_id = feed_id;
 266                         active_post_id = id;
 267
 268                         showArticleInHeadlines(id);
 269
 270                         var reply = transport.responseXML.firstChild.firstChild;
 271
 272                         var articles = transport.responseXML.getElementsByTagName("article");
 273
 274                         for (var i = 0; i < articles.length; i++) {
 275                                 var a_id = articles[i].getAttribute("id");
 276
 277                                 debug("found id: " + a_id);
 278
 279                                 if (a_id == active_post_id) {
 280                                         debug("active article, rendering...");
 281                                         render_article(articles[i].firstChild.nodeValue);
 282                                 }
 283
 284                                 cache_inject(a_id, articles[i].firstChild.nodeValue);
 285                         }
 286
 287                 } else {
 288                         debug("article_callback: returned no XML object");
 289                         var f = document.getElementById("content-frame");
 290                         f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 291                 }
 292
 293                 var date = new Date();
 294                 last_article_view = date.getTime() / 1000;
 295
 296                 if (typeof correctPNG != 'undefined') {
 297                         correctPNG();
 298                 }
 299
 300                 if (_reload_feedlist_after_view) {
 301                         setTimeout('updateFeedList(false, false)', 50);
 302                         _reload_feedlist_after_view = false;
 303                 } else {
 304                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 305
 306                         if (counters) {
 307                                 debug("parsing piggybacked counters: " + counters);
 308                                 parse_counters(counters, false);
 309                         } else {
 310                                 debug("counters container not found in reply");
 311                         }
 312                 }
 313
 314                 notify("");
 315         } catch (e) {
 316                 exception_error("article_callback2", e);
 317         }
 318 }
 319
 320 function view(id, feed_id, skip_history) {
 321
 322         try {
 323                 debug("loading article: " + id + "/" + feed_id);
 324
 325                 var cached_article = cache_find(id);
 326
 327                 debug("cache check result: " + (cached_article != false));
 328
 329                 enableHotkeys();
 330
 331                 //setActiveFeedId(feed_id);
 332
 333                 var query = "backend.php?op=view&id=" + param_escape(id) +
 334                         "&feed=" + param_escape(feed_id);
 335
 336                 var date = new Date();
 337
 338                 var neighbor_ids = getRelativePostIds(active_post_id);
 339
 340                 /* only request uncached articles */
 341
 342                 var cids_to_request = Array();
 343
 344                 for (var i = 0; i < neighbor_ids.length; i++) {
 345                         if (!cache_check(neighbor_ids[i])) {
 346                                 cids_to_request.push(neighbor_ids[i]);
 347                         }
 348                 }
 349
 350                 debug("additional ids: " + cids_to_request.toString());
 351
 352                 /* additional info for piggyback counters */
 353
 354                 if (tagsAreDisplayed()) {
 355                         query = query + "&omode=lt";
 356                 } else {
 357                         query = query + "&omode=flc";
 358                 }
 359
 360                 var date = new Date();
 361                 var timestamp = Math.round(date.getTime() / 1000);
 362                 query = query + "&ts=" + timestamp;
 363
 364                 query = query + "&cids=" + cids_to_request.toString();
 365
 366                 var crow = document.getElementById("RROW-" + id);
 367                 var article_is_unread = crow.className.match("Unread");
 368
 369                 showArticleInHeadlines(id);
 370
 371                 if (!cached_article) {
 372
 373                         notify_progress("Loading, please wait...");
 374
 375                 } else if (cached_article && article_is_unread) {
 376
 377                         query = query + "&mode=prefetch";
 378
 379                         render_article(cached_article);
 380
 381                 } else if (cached_article) {
 382
 383                         query = query + "&mode=prefetch_old";
 384                         render_article(cached_article);
 385                 }
 386
 387                 cache_expire();
 388
 389                 new Ajax.Request(query, {
 390                         onComplete: function(transport) {
 391                                 article_callback2(transport, id, feed_id);
 392                         } });
 393
 394         } catch (e) {
 395                 exception_error("view", e);
 396         }
 397 }
 398
 399 function tMark(id) {
 400         return toggleMark(id);
 401 }
 402
 403 function tPub(id) {
 404         return togglePub(id);
 405 }
 406
 407 function tMark_afh_off(effect) {
 408         try {
 409                 var elem = effect.effects[0].element;
 410
 411                 debug("tMark_afh_off : " + elem.id);
 412
 413                 if (elem) {
 414                         elem.src = elem.src.replace("mark_set", "mark_unset");
 415                         elem.alt = __("Star article");
 416                         Element.show(elem);
 417                 }
 418
 419         } catch (e) {
 420                 exception_error("tMark_afh_off", e);
 421         }
 422 }
 423
 424 function tPub_afh_off(effect) {
 425         try {
 426                 var elem = effect.effects[0].element;
 427
 428                 debug("tPub_afh_off : " + elem.id);
 429
 430                 if (elem) {
 431                         elem.src = elem.src.replace("pub_set", "pub_unset");
 432                         elem.alt = __("Publish article");
 433                         Element.show(elem);
 434                 }
 435
 436         } catch (e) {
 437                 exception_error("tPub_afh_off", e);
 438         }
 439 }
 440
 441 function toggleMark(id, client_only, no_effects) {
 442
 443         try {
 444
 445                 var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 446
 447                 query = query + "&afid=" + getActiveFeedId();
 448
 449                 if (tagsAreDisplayed()) {
 450                         query = query + "&omode=tl";
 451                 } else {
 452                         query = query + "&omode=flc";
 453                 }
 454
 455                 var mark_img = document.getElementById("FMPIC-" + id);
 456                 var vfeedu = document.getElementById("FEEDU--1");
 457                 var crow = document.getElementById("RROW-" + id);
 458
 459                 if (mark_img.src.match("mark_unset")) {
 460                         mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
 461                         mark_img.alt = __("Unstar article");
 462                         query = query + "&mark=1";
 463
 464 /*                      if (vfeedu && crow.className.match("Unread")) {
 465                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 466                         } */
 467
 468                 } else {
 469                         //mark_img.src = "images/mark_unset.png";
 470                         mark_img.alt = __("Please wait...");
 471                         query = query + "&mark=0";
 472
 473 /*                      if (vfeedu && crow.className.match("Unread")) {
 474                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 475                         } */
 476
 477                         if (document.getElementById("headlinesList") && !no_effects) {
 478                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 479                         } else {
 480                                 mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
 481                                 mark_img.alt = __("Star article");
 482                         }
 483                 }
 484
 485 /*              var vfeedctr = document.getElementById("FEEDCTR--1");
 486                 var vfeedr = document.getElementById("FEEDR--1");
 487
 488                 if (vfeedu && vfeedctr) {
 489                         if ((+vfeedu.innerHTML) > 0) {
 490                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 491                                         vfeedr.className = vfeedr.className + "Unread";
 492                                         vfeedctr.className = "odd";
 493                                 }
 494                         } else {
 495                                 vfeedctr.className = "invisible";
 496                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 497                         }
 498                 }
 499
 500                 debug("toggle starred for aid " + id);
 501
 502                 //new Ajax.Request(query); */
 503
 504                 if (!client_only) {
 505                         debug(query);
 506
 507                         new Ajax.Request(query, {
 508                                 onComplete: function(transport) {
 509                                         all_counters_callback2(transport);
 510                                 } });
 511
 512                 }
 513
 514         } catch (e) {
 515                 exception_error("toggleMark", e);
 516         }
 517 }
 518
 519 function togglePub(id, client_only, no_effects) {
 520
 521         try {
 522
 523                 var query = "backend.php?op=rpc&id=" + id + "&subop=publ";
 524
 525                 query = query + "&afid=" + getActiveFeedId();
 526
 527                 if (tagsAreDisplayed()) {
 528                         query = query + "&omode=tl";
 529                 } else {
 530                         query = query + "&omode=flc";
 531                 }
 532
 533                 var mark_img = document.getElementById("FPPIC-" + id);
 534                 var vfeedu = document.getElementById("FEEDU--2");
 535                 var crow = document.getElementById("RROW-" + id);
 536
 537                 if (mark_img.src.match("pub_unset")) {
 538                         mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
 539                         mark_img.alt = __("Unpublish article");
 540                         query = query + "&pub=1";
 541
 542 /*                      if (vfeedu && crow.className.match("Unread")) {
 543                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 544                         } */
 545
 546                 } else {
 547                         //mark_img.src = "images/pub_unset.png";
 548                         mark_img.alt = __("Please wait...");
 549                         query = query + "&pub=0";
 550
 551 /*                      if (vfeedu && crow.className.match("Unread")) {
 552                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 553                         } */
 554
 555                         if (document.getElementById("headlinesList") && !no_effects) {
 556                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 557                         } else {
 558                                 mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
 559                                 mark_img.alt = __("Publish article");
 560                         }
 561                 }
 562
 563 /*              var vfeedctr = document.getElementById("FEEDCTR--2");
 564                 var vfeedr = document.getElementById("FEEDR--2");
 565
 566                 if (vfeedu && vfeedctr) {
 567                         if ((+vfeedu.innerHTML) > 0) {
 568                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 569                                         vfeedr.className = vfeedr.className + "Unread";
 570                                         vfeedctr.className = "odd";
 571                                 }
 572                         } else {
 573                                 vfeedctr.className = "invisible";
 574                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 575                         }
 576                 }
 577
 578                 debug("toggle published for aid " + id);
 579
 580                 new Ajax.Request(query); */
 581
 582                 if (!client_only) {
 583                         new Ajax.Request(query, {
 584                                 onComplete: function(transport) {
 585                                         all_counters_callback2(transport);
 586                                 } });
 587                 }
 588
 589         } catch (e) {
 590
 591                 exception_error("togglePub", e);
 592         }
 593 }
 594
 595 function correctHeadlinesOffset(id) {
 596
 597         try {
 598
 599                 var hlist = document.getElementById("headlinesList");
 600                 var container = document.getElementById("headlinesInnerContainer");
 601                 var row = document.getElementById("RROW-" + id);
 602
 603                 var viewport = container.offsetHeight;
 604
 605                 var rel_offset_top = row.offsetTop - container.scrollTop;
 606                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 607
 608                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 609                 debug("Vport: " + viewport);
 610
 611                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 612                         container.scrollTop = row.offsetTop;
 613                 } else if (rel_offset_bottom > viewport) {
 614
 615                         /* doesn't properly work with Opera in some cases because
 616                                 Opera fucks up element scrolling */
 617
 618                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 619                 }
 620
 621         } catch (e) {
 622                 exception_error("correctHeadlinesOffset", e);
 623         }
 624
 625 }
 626
 627 function moveToPost(mode) {
 628
 629         // check for combined mode
 630         if (!document.getElementById("headlinesList"))
 631                 return;
 632
 633         var rows = getVisibleHeadlineIds();
 634
 635         var prev_id = false;
 636         var next_id = false;
 637
 638         if (!document.getElementById('RROW-' + active_post_id)) {
 639                 active_post_id = false;
 640         }
 641
 642         if (active_post_id == false) {
 643                 next_id = getFirstVisibleHeadlineId();
 644                 prev_id = getLastVisibleHeadlineId();
 645         } else {
 646                 for (var i = 0; i < rows.length; i++) {
 647                         if (rows[i] == active_post_id) {
 648                                 prev_id = rows[i-1];
 649                                 next_id = rows[i+1];
 650                         }
 651                 }
 652         }
 653
 654         if (mode == "next") {
 655                 if (next_id) {
 656                         correctHeadlinesOffset(next_id);
 657                         view(next_id, getActiveFeedId());
 658                 }
 659         }
 660
 661         if (mode == "prev") {
 662                 if (prev_id) {
 663                         correctHeadlinesOffset(prev_id);
 664                         view(prev_id, getActiveFeedId());
 665                 }
 666         }
 667 }
 668
 669 function toggleUnread(id, cmode) {
 670         try {
 671
 672                 var row = document.getElementById("RROW-" + id);
 673                 if (row) {
 674                         var nc = row.className;
 675                         nc = nc.replace("Unread", "");
 676                         nc = nc.replace("Selected", "");
 677
 678                         if (cmode == undefined || cmode == 2) {
 679                                 if (row.className.match("Unread")) {
 680                                         row.className = nc;
 681                                 } else {
 682                                         row.className = nc + "Unread";
 683                                 }
 684                         } else if (cmode == 0) {
 685                                 row.className = nc;
 686                         } else if (cmode == 1) {
 687                                 row.className = nc + "Unread";
 688                         }
 689
 690                         if (cmode == undefined) cmode = 2;
 691
 692                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 693                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 694
 695 //                      notify_progress("Loading, please wait...");
 696
 697                         new Ajax.Request(query, {
 698                                 onComplete: function(transport) {
 699                                         all_counters_callback2(transport);
 700                                 } });
 701
 702                 }
 703
 704
 705         } catch (e) {
 706                 exception_error("toggleUnread", e);
 707         }
 708 }
 709
 710 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
 711         try {
 712                 var rows;
 713
 714                 if (cdm_mode) {
 715                         rows = cdmGetSelectedArticles();
 716                 } else {
 717                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 718                 }
 719
 720                 if (rows.length == 0 && !no_error) {
 721                         alert(__("No articles are selected."));
 722                         return;
 723                 }
 724
 725                 for (i = 0; i < rows.length; i++) {
 726                         var row = document.getElementById("RROW-" + rows[i]);
 727                         if (row) {
 728                                 var nc = row.className;
 729                                 nc = nc.replace("Unread", "");
 730                                 nc = nc.replace("Selected", "");
 731
 732                                 if (set_state == undefined) {
 733                                         if (row.className.match("Unread")) {
 734                                                 row.className = nc + "Selected";
 735                                         } else {
 736                                                 row.className = nc + "UnreadSelected";
 737                                         }
 738                                 }
 739
 740                                 if (set_state == false) {
 741                                         row.className = nc + "Selected";
 742                                 }
 743
 744                                 if (set_state == true) {
 745                                         row.className = nc + "UnreadSelected";
 746                                 }
 747                         }
 748                 }
 749
 750                 if (rows.length > 0) {
 751
 752                         var cmode = "";
 753
 754                         if (set_state == undefined) {
 755                                 cmode = "2";
 756                         } else if (set_state == true) {
 757                                 cmode = "1";
 758                         } else if (set_state == false) {
 759                                 cmode = "0";
 760                         }
 761
 762                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 763                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 764
 765                         notify_progress("Loading, please wait...");
 766
 767                         new Ajax.Request(query, {
 768                                 onComplete: function(transport) {
 769                                         catchup_callback2(transport, callback_func);
 770                                 } });
 771
 772                 }
 773
 774         } catch (e) {
 775                 exception_error("selectionToggleUnread", e);
 776         }
 777 }
 778
 779 function selectionToggleMarked(cdm_mode) {
 780         try {
 781
 782                 var rows;
 783
 784                 if (cdm_mode) {
 785                         rows = cdmGetSelectedArticles();
 786                 } else {
 787                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 788                 }
 789
 790                 if (rows.length == 0) {
 791                         alert(__("No articles are selected."));
 792                         return;
 793                 }
 794
 795                 for (i = 0; i < rows.length; i++) {
 796                         toggleMark(rows[i], true, true);
 797                 }
 798
 799                 if (rows.length > 0) {
 800
 801                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 802                                 param_escape(rows.toString()) + "&cmode=2";
 803
 804                         query = query + "&afid=" + getActiveFeedId();
 805
 806 /*                      if (tagsAreDisplayed()) {
 807                                 query = query + "&omode=tl";
 808                         } else {
 809                                 query = query + "&omode=flc";
 810                         } */
 811
 812                         query = query + "&omode=lc";
 813
 814                         new Ajax.Request(query, {
 815                                 onComplete: function(transport) {
 816                                         all_counters_callback2(transport);
 817                                 } });
 818
 819                 }
 820
 821         } catch (e) {
 822                 exception_error("selectionToggleMarked", e);
 823         }
 824 }
 825
 826 function selectionTogglePublished(cdm_mode) {
 827         try {
 828
 829                 var rows;
 830
 831                 if (cdm_mode) {
 832                         rows = cdmGetSelectedArticles();
 833                 } else {
 834                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 835                 }
 836
 837                 if (rows.length == 0) {
 838                         alert(__("No articles are selected."));
 839                         return;
 840                 }
 841
 842                 for (i = 0; i < rows.length; i++) {
 843                         togglePub(rows[i], true, true);
 844                 }
 845
 846                 if (rows.length > 0) {
 847
 848                         var query = "backend.php?op=rpc&subop=publishSelected&ids=" +
 849                                 param_escape(rows.toString()) + "&cmode=2";
 850
 851                         query = query + "&afid=" + getActiveFeedId();
 852
 853 /*                      if (tagsAreDisplayed()) {
 854                                 query = query + "&omode=tl";
 855                         } else {
 856                                 query = query + "&omode=flc";
 857                         } */
 858
 859                         query = query + "&omode=lc";
 860
 861                         new Ajax.Request(query, {
 862                                 onComplete: function(transport) {
 863                                         all_counters_callback2(transport);
 864                                 } });
 865
 866                 }
 867
 868         } catch (e) {
 869                 exception_error("selectionToggleMarked", e);
 870         }
 871 }
 872
 873 function cdmGetSelectedArticles() {
 874         var sel_articles = new Array();
 875         var container = document.getElementById("headlinesInnerContainer");
 876
 877         for (i = 0; i < container.childNodes.length; i++) {
 878                 var child = container.childNodes[i];
 879
 880                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 881                         var c_id = child.id.replace("RROW-", "");
 882                         sel_articles.push(c_id);
 883                 }
 884         }
 885
 886         return sel_articles;
 887 }
 888
 889 function cdmGetVisibleArticles() {
 890         var sel_articles = new Array();
 891         var container = document.getElementById("headlinesInnerContainer");
 892
 893         for (i = 0; i < container.childNodes.length; i++) {
 894                 var child = container.childNodes[i];
 895
 896                 if (child.id.match("RROW-")) {
 897                         var c_id = child.id.replace("RROW-", "");
 898                         sel_articles.push(c_id);
 899                 }
 900         }
 901
 902         return sel_articles;
 903 }
 904
 905 function cdmGetUnreadArticles() {
 906         var sel_articles = new Array();
 907         var container = document.getElementById("headlinesInnerContainer");
 908
 909         for (i = 0; i < container.childNodes.length; i++) {
 910                 var child = container.childNodes[i];
 911
 912                 if (child.id.match("RROW-") && child.className.match("Unread")) {
 913                         var c_id = child.id.replace("RROW-", "");
 914                         sel_articles.push(c_id);
 915                 }
 916         }
 917
 918         return sel_articles;
 919 }
 920
 921
 922 // mode = all,none,unread
 923 function cdmSelectArticles(mode) {
 924         var container = document.getElementById("headlinesInnerContainer");
 925
 926         for (i = 0; i < container.childNodes.length; i++) {
 927                 var child = container.childNodes[i];
 928
 929                 if (child.id.match("RROW-")) {
 930                         var aid = child.id.replace("RROW-", "");
 931
 932                         var cb = document.getElementById("RCHK-" + aid);
 933
 934                         if (mode == "all") {
 935                                 if (!child.className.match("Selected")) {
 936                                         child.className = child.className + "Selected";
 937                                         cb.checked = true;
 938                                 }
 939                         } else if (mode == "unread") {
 940                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 941                                         child.className = child.className + "Selected";
 942                                         cb.checked = true;
 943                                 }
 944                         } else {
 945                                 child.className = child.className.replace("Selected", "");
 946                                 cb.checked = false;
 947                         }
 948                 }
 949         }
 950 }
 951
 952 function catchupPage() {
 953
 954         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 955
 956         var str = __("Mark all visible articles in %s as read?");
 957
 958         str = str.replace("%s", fn);
 959
 960         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 961                 return;
 962         }
 963
 964         if (document.getElementById("headlinesList")) {
 965                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 966                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 967                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 968         } else {
 969                 cdmSelectArticles('all');
 970                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 971                 cdmSelectArticles('none');
 972         }
 973 }
 974
 975 function catchupSelection() {
 976
 977         try {
 978
 979                 var rows;
 980
 981                 if (document.getElementById("headlinesList")) {
 982                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 983                 } else {
 984                         rows = cdmGetSelectedArticles();
 985                 }
 986
 987                 if (rows.length == 0) {
 988                         alert(__("No articles are selected."));
 989                         return;
 990                 }
 991
 992
 993                 var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 994
 995                 var str = __("Mark %d selected articles in %s as read?");
 996
 997                 str = str.replace("%d", rows.length);
 998                 str = str.replace("%s", fn);
 999
1000                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1001                         return;
1002                 }
1003
1004                 if (document.getElementById("headlinesList")) {
1005                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
1006         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
1007                 } else {
1008                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
1009         //              cdmSelectArticles('none');
1010                 }
1011
1012         } catch (e) {
1013                 exception_error("catchupSelection", e);
1014         }
1015 }
1016
1017
1018 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
1019
1020         if (!xmlhttp_ready(xmlhttp_rpc)) {
1021                 printLockingError();
1022         }
1023
1024         var title = prompt(__("Please enter label title:"), "");
1025
1026         if (title) {
1027
1028                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
1029                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
1030                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
1031                         "&title=" + param_escape(title);
1032
1033                 debug("LFS: " + query);
1034
1035                 new Ajax.Request(query, {
1036                         onComplete: function(transport) {
1037                                         dlg_frefresh_callback(transport);
1038                                 } });
1039         }
1040 }
1041
1042 function editArticleTags(id, feed_id, cdm_enabled) {
1043         _tag_active_post_id = id;
1044         _tag_active_feed_id = feed_id;
1045         _tag_active_cdm = cdm_enabled;
1046
1047         cache_invalidate(id);
1048
1049         try {
1050                 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
1051         } catch (e) { }
1052         displayDlg('editArticleTags', id);
1053 }
1054
1055
1056 function tag_saved_callback(transport) {
1057         try {
1058                 debug("in tag_saved_callback");
1059
1060                 closeInfoBox();
1061                 notify("");
1062
1063                 if (tagsAreDisplayed()) {
1064                         _reload_feedlist_after_view = true;
1065                 }
1066
1067                 if (!_tag_active_cdm) {
1068                         if (active_post_id == _tag_active_post_id) {
1069                                 debug("reloading current article");
1070                                 view(_tag_active_post_id, _tag_active_feed_id);
1071                         }
1072                 } else {
1073                         debug("reloading current feed");
1074                         viewCurrentFeed();
1075                 }
1076
1077         } catch (e) {
1078                 exception_error("catchup_callback", e);
1079         }
1080 }
1081
1082 function editTagsSave() {
1083
1084         notify_progress("Saving article tags...");
1085
1086         var form = document.forms["tag_edit_form"];
1087
1088         var query = Form.serialize("tag_edit_form");
1089
1090         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
1091
1092         debug(query);
1093
1094         new Ajax.Request(query, {
1095                 onComplete: function(transport) {
1096                                 tag_saved_callback(transport);
1097                         } });
1098
1099 }
1100
1101 function editTagsInsert() {
1102         try {
1103
1104                 var form = document.forms["tag_edit_form"];
1105
1106                 var found_tags = form.found_tags;
1107                 var tags_str = form.tags_str;
1108
1109                 var tag = found_tags[found_tags.selectedIndex].value;
1110
1111                 if (tags_str.value.length > 0 &&
1112                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1113
1114                         tags_str.value = tags_str.value + ", ";
1115                 }
1116
1117                 tags_str.value = tags_str.value + tag + ", ";
1118
1119                 found_tags.selectedIndex = 0;
1120
1121         } catch (e) {
1122                 exception_error(e, "editTagsInsert");
1123         }
1124 }
1125
1126 function cdmWatchdog() {
1127
1128         try {
1129
1130                 var ctr = document.getElementById("headlinesInnerContainer");
1131
1132                 if (!ctr) return;
1133
1134                 var ids = new Array();
1135
1136                 var e = ctr.firstChild;
1137
1138                 while (e) {
1139                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1140                                         e.id.match("RROW-")) {
1141
1142                                 // article fits in viewport OR article is longer than viewport and
1143                                 // its bottom is visible
1144
1145                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1146                                                 ctr.scrollTop + ctr.offsetHeight) {
1147
1148 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1149 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1150 //                                              (ctr.scrollTop + ctr.offsetHeight));
1151
1152                                         ids.push(e.id.replace("RROW-", ""));
1153
1154                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1155                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1156                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1157
1158                                         ids.push(e.id.replace("RROW-", ""));
1159
1160                                 }
1161
1162                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1163
1164 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1165                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1166
1167                                         ids.push(e.id.replace("RROW-", ""));
1168
1169                                 } */
1170
1171                         }
1172
1173                         e = e.nextSibling;
1174                 }
1175
1176                 debug("cdmWatchdog, ids= " + ids.toString());
1177
1178                 if (ids.length > 0) {
1179
1180                         for (var i = 0; i < ids.length; i++) {
1181                                 var e = document.getElementById("RROW-" + ids[i]);
1182                                 if (e) {
1183                                         e.className = e.className.replace("Unread", "");
1184                                 }
1185                         }
1186
1187                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1188                                 param_escape(ids.toString()) + "&cmode=0";
1189
1190                         new Ajax.Request(query, {
1191                                 onComplete: function(transport) {
1192                                         all_counters_callback2(transport);
1193                                 } });
1194
1195                 }
1196
1197                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1198
1199         } catch (e) {
1200                 exception_error(e, "cdmWatchdog");
1201         }
1202
1203 }
1204
1205
1206 function cache_inject(id, article, param) {
1207         if (!cache_check_param(id, param)) {
1208                 debug("cache_article: miss: " + id + " [p=" + param + "]");
1209
1210                 var cache_obj = new Array();
1211
1212                 cache_obj["id"] = id;
1213                 cache_obj["data"] = article;
1214                 cache_obj["param"] = param;
1215
1216                 article_cache.push(cache_obj);
1217
1218         } else {
1219                 debug("cache_article: hit: " + id + " [p=" + param + "]");
1220         }
1221 }
1222
1223 function cache_find(id) {
1224         for (var i = 0; i < article_cache.length; i++) {
1225                 if (article_cache[i]["id"] == id) {
1226                         return article_cache[i]["data"];
1227                 }
1228         }
1229         return false;
1230 }
1231
1232 function cache_find_param(id, param) {
1233         for (var i = 0; i < article_cache.length; i++) {
1234                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1235                         return article_cache[i]["data"];
1236                 }
1237         }
1238         return false;
1239 }
1240
1241 function cache_check(id) {
1242         for (var i = 0; i < article_cache.length; i++) {
1243                 if (article_cache[i]["id"] == id) {
1244                         return true;
1245                 }
1246         }
1247         return false;
1248 }
1249
1250 function cache_check_param(id, param) {
1251         for (var i = 0; i < article_cache.length; i++) {
1252
1253 //              debug("cache_check_param " + article_cache[i]["id"] + ":" +
1254 //                      article_cache[i]["param"] + " vs " + id + ":" + param);
1255
1256                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1257                         return true;
1258                 }
1259         }
1260         return false;
1261 }
1262
1263 function cache_expire() {
1264         while (article_cache.length > 20) {
1265                 article_cache.shift();
1266         }
1267 }
1268
1269 function cache_invalidate(id) {
1270         var i = 0
1271
1272         try {
1273
1274                 while (i < article_cache.length) {
1275                         if (article_cache[i]["id"] == id) {
1276                                 debug("cache_invalidate: removed id " + id);
1277                                 article_cache.splice(i, 1);
1278                                 return true;
1279                         }
1280                         i++;
1281                 }
1282                 debug("cache_invalidate: id not found: " + id);
1283                 return false;
1284         } catch (e) {
1285                 exception_error("cache_invalidate", e);
1286         }
1287 }
1288
1289 function getActiveArticleId() {
1290         return active_post_id;
1291 }
1292
1293 function cdmMouseIn(elem) {
1294         try {
1295                 if (elem.id && elem.id.match("RROW-")) {
1296                         var id = elem.id.replace("RROW-", "");
1297                         active_post_id = id;
1298                 }
1299         } catch (e) {
1300                 exception_error("cdmMouseIn", e);
1301         }
1302
1303 }
1304
1305 function cdmMouseOut(elem) {
1306         active_post_id = false;
1307 }
1308
1309 function headlines_scroll_handler() {
1310         try {
1311
1312                 var e = document.getElementById("headlinesInnerContainer");
1313
1314                 // don't do infinite scrolling when Limit == All
1315
1316                 var toolbar_form = document.forms["main_toolbar_form"];
1317
1318                 var limit = toolbar_form.limit[toolbar_form.limit.selectedIndex];
1319                 if (limit.value != 0) {
1320                         if (e.scrollTop + e.offsetHeight > e.scrollHeight - 50) {
1321                                 if (!_infscroll_disable) {
1322                                         debug("more cowbell!");
1323                                         viewNextFeedPage();
1324                                 }
1325                         }
1326                 }
1327
1328         } catch (e) {
1329                 exception_error("headlines_scroll_handler", e);
1330         }
1331 }
1332
1333 function catchupRelativeToArticle(below) {
1334
1335         try {
1336
1337                 if (!xmlhttp_ready(xmlhttp_rpc)) {
1338                         printLockingError();
1339                 }
1340
1341                 if (!getActiveArticleId()) {
1342                         alert(__("No article is selected."));
1343                         return;
1344                 }
1345
1346                 var visible_ids;
1347
1348                 if (document.getElementById("headlinesList")) {
1349                         visible_ids = getVisibleHeadlineIds();
1350                 } else {
1351                         visible_ids = cdmGetVisibleArticles();
1352                 }
1353
1354                 var ids_to_mark = new Array();
1355
1356                 if (!below) {
1357                         for (var i = 0; i < visible_ids.length; i++) {
1358                                 if (visible_ids[i] != getActiveArticleId()) {
1359                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1360
1361                                         if (e && e.className.match("Unread")) {
1362                                                 ids_to_mark.push(visible_ids[i]);
1363                                         }
1364                                 } else {
1365                                         break;
1366                                 }
1367                         }
1368                 } else {
1369                         for (var i = visible_ids.length-1; i >= 0; i--) {
1370                                 if (visible_ids[i] != getActiveArticleId()) {
1371                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1372
1373                                         if (e && e.className.match("Unread")) {
1374                                                 ids_to_mark.push(visible_ids[i]);
1375                                         }
1376                                 } else {
1377                                         break;
1378                                 }
1379                         }
1380                 }
1381
1382                 if (ids_to_mark.length == 0) {
1383                         alert(__("No articles found to mark"));
1384                 } else {
1385                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1386
1387                         if (confirm(msg)) {
1388
1389                                 for (var i = 0; i < ids_to_mark.length; i++) {
1390                                         var e = document.getElementById("RROW-" + ids_to_mark[i]);
1391                                         e.className = e.className.replace("Unread", "");
1392                                 }
1393
1394                                 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1395                                         param_escape(ids_to_mark.toString()) + "&cmode=0";
1396
1397                                 new Ajax.Request(query, {
1398                                         onComplete: function(transport) {
1399                                                 catchup_callback2(transport);
1400                                         } });
1401
1402                         }
1403                 }
1404
1405         } catch (e) {
1406                 exception_error("catchupRelativeToArticle", e);
1407         }
1408 }
1409
1410 function cdmExpandArticle(a_id) {
1411         try {
1412                 var id = 'CICD-' + a_id;
1413
1414                 Effect.Appear(id, {duration : 0.5,
1415                         beforeStart: function(effect) {
1416                                 var h_id = 'CICH-' + a_id;
1417                                 var h_elem = document.getElementById(h_id);
1418                                 if (h_elem) { h_elem.style.display = "none"; }
1419
1420                                 toggleUnread(a_id, 0);
1421                         }});
1422
1423
1424         } catch (e) {
1425                 exception_error("appearBlockElementF", e);
1426         }
1427
1428 }
1429
1430