viewfeed.js

   1 var active_post_id = false;
   2 var last_article_view = false;
   3 var active_real_feed_id = false;
   4
   5 var _tag_active_post_id = false;
   6 var _tag_active_feed_id = false;
   7 var _tag_active_cdm = false;
   8
   9 // FIXME: kludge, to restore scrollTop after tag editor terminates
  10 var _tag_cdm_scroll = false;
  11
  12 // FIXME: kludges, needs proper implementation
  13 var _reload_feedlist_after_view = false;
  14
  15 var _cdm_wd_timeout = false;
  16 var _cdm_wd_vishist = new Array();
  17
  18 var article_cache = new Array();
  19
  20 function catchup_callback() {
  21         if (xmlhttp_rpc.readyState == 4) {
  22                 try {
  23                         debug("catchup_callback");
  24                         notify("");
  25                         all_counters_callback2(xmlhttp_rpc);
  26                         if (_catchup_callback_func) {
  27                                 setTimeout(_catchup_callback_func, 10);
  28                         }
  29                 } catch (e) {
  30                         exception_error("catchup_callback", e);
  31                 }
  32         }
  33 }
  34
  35 function catchup_callback2(transport, callback) {
  36         try {
  37                 debug("catchup_callback2 " + transport + ", " + callback);
  38                 notify("");
  39                 all_counters_callback2(transport);
  40                 if (callback) {
  41                         setTimeout(callback, 10);
  42                 }
  43         } catch (e) {
  44                 exception_error("catchup_callback2", e);
  45         }
  46 }
  47
  48 function clean_feed_selections() {
  49         try {
  50                 var feeds = document.getElementById("feedList").getElementsByTagName("LI");
  51
  52                 for (var i = 0; i < feeds.length; i++) {
  53                         if (feeds[i].id && feeds[i].id.match("FEEDR-")) {
  54                                 feeds[i].className = feeds[i].className.replace("Selected", "");
  55                         }
  56                 }
  57         } catch (e) {
  58                 exception_error("clean_feed_selections", e);
  59         }
  60 }
  61
  62 function headlines_callback2(transport, active_feed_id, is_cat, feed_cur_page) {
  63         try {
  64
  65                 debug("headlines_callback2 [page=" + feed_cur_page + "]");
  66
  67                 clean_feed_selections();
  68
  69                 setActiveFeedId(active_feed_id);
  70
  71                 if (is_cat != undefined) {
  72                         active_feed_is_cat = is_cat;
  73                 }
  74
  75                 if (!is_cat) {
  76                         var feedr = document.getElementById("FEEDR-" + active_feed_id);
  77                         if (feedr && !feedr.className.match("Selected")) {
  78                                 feedr.className = feedr.className + "Selected";
  79                         }
  80                 }
  81
  82                 var f = document.getElementById("headlines-frame");
  83                 try {
  84                         if (feed_cur_page == 0) {
  85                                 debug("resetting headlines scrollTop");
  86                                 f.scrollTop = 0;
  87                         }
  88                 } catch (e) { };
  89
  90                 if (transport.responseXML) {
  91                         var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
  92                         var headlines_count_obj = transport.responseXML.getElementsByTagName("headlines-count")[0];
  93                         var headlines_unread_obj = transport.responseXML.getElementsByTagName("headlines-unread")[0];
  94                         var disable_cache_obj = transport.responseXML.getElementsByTagName("disable-cache")[0];
  95
  96                         var headlines_count = headlines_count_obj.getAttribute("value");
  97                         var headlines_unread = headlines_unread_obj.getAttribute("value");
  98                         var disable_cache = disable_cache_obj.getAttribute("value") != "0";
  99
 100                         if (headlines_count == 0) _infscroll_disable = 1;
 101
 102                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 103                         var articles = transport.responseXML.getElementsByTagName("article");
 104                         var runtime_info = transport.responseXML.getElementsByTagName("runtime-info");
 105
 106                         if (feed_cur_page == 0) {
 107                                 if (headlines) {
 108                                         f.innerHTML = headlines.firstChild.nodeValue;
 109
 110                                         var cache_prefix = "";
 111
 112                                         if (is_cat) {
 113                                                 cache_prefix = "C:";
 114                                         } else {
 115                                                 cache_prefix = "F:";
 116                                         }
 117
 118                                         cache_invalidate(cache_prefix + active_feed_id);
 119
 120                                         if (!disable_cache) {
 121                                                 cache_inject(cache_prefix + active_feed_id,
 122                                                         headlines.firstChild.nodeValue, headlines_unread);
 123                                         }
 124
 125                                 } else {
 126                                         debug("headlines_callback: returned no data");
 127                                 f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
 128
 129                                 }
 130                         } else {
 131                                 if (headlines) {
 132                                         if (headlines_count > 0) {
 133                                                 debug("adding some more headlines...");
 134
 135                                                 var c = document.getElementById("headlinesList");
 136
 137                                                 if (!c) {
 138                                                         c = document.getElementById("headlinesInnerContainer");
 139                                                 }
 140
 141                                                 var ids = getSelectedArticleIds2();
 142
 143                                                 c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
 144
 145                                                 debug("restore selected ids: " + ids);
 146
 147                                                 for (var i = 0; i < ids.length; i++) {
 148                                                         markHeadline(ids[i]);
 149                                                 }
 150
 151                                         } else {
 152                                                 debug("no new headlines received");
 153                                         }
 154                                 } else {
 155                                         debug("headlines_callback: returned no data");
 156                                         notify_error("Error while trying to load more headlines");
 157                                 }
 158
 159                         }
 160
 161                         if (articles) {
 162                                 for (var i = 0; i < articles.length; i++) {
 163                                         var a_id = articles[i].getAttribute("id");
 164                                         debug("found id: " + a_id);
 165                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 166                                 }
 167                         } else {
 168                                 debug("no cached articles received");
 169                         }
 170
 171                         if (counters) {
 172                                 debug("parsing piggybacked counters: " + counters);
 173                                 parse_counters(counters, false);
 174                         } else {
 175                                 debug("counters container not found in reply");
 176                         }
 177
 178                         if (runtime_info) {
 179                                 debug("parsing runtime info: " + runtime_info[0]);
 180                                 parse_runtime_info(runtime_info[0]);
 181                         } else {
 182                                 debug("counters container not found in reply");
 183                         }
 184
 185                 } else {
 186                         debug("headlines_callback: returned no XML object");
 187                         f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML object)') + "</div>";
 188                 }
 189
 190                 if (typeof correctPNG != 'undefined') {
 191                         correctPNG();
 192                 }
 193
 194                 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
 195
 196                 if (!document.getElementById("headlinesList") &&
 197                                 getInitParam("cdm_auto_catchup") == 1) {
 198                         debug("starting CDM watchdog");
 199                         _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 200                         _cdm_wd_vishist = new Array();
 201                 } else {
 202                         debug("not in CDM mode or watchdog disabled");
 203                 }
 204
 205                 if (_tag_cdm_scroll) {
 206                         try {
 207                                 document.getElementById("headlinesInnerContainer").scrollTop = _tag_cdm_scroll;
 208                                 _tag_cdm_scroll = false;
 209                                 debug("resetting headlinesInner scrollTop");
 210
 211                         } catch (e) { }
 212                 }
 213
 214                 _feed_cur_page = feed_cur_page;
 215                 _infscroll_request_sent = 0;
 216
 217                 notify("");
 218         } catch (e) {
 219                 exception_error("headlines_callback2", e);
 220         }
 221 }
 222
 223 function render_article(article) {
 224         try {
 225                 var f = document.getElementById("content-frame");
 226                 try {
 227                         f.scrollTop = 0;
 228                 } catch (e) { };
 229
 230                 f.innerHTML = article;
 231
 232         } catch (e) {
 233                 exception_error("render_article", e);
 234         }
 235 }
 236
 237 function showArticleInHeadlines(id) {
 238
 239         try {
 240
 241                 cleanSelected("headlinesList");
 242
 243                 var crow = document.getElementById("RROW-" + id);
 244
 245                 if (!crow) return;
 246
 247                 var article_is_unread = crow.className.match("Unread");
 248
 249                 crow.className = crow.className.replace("Unread", "");
 250
 251                 var upd_img_pic = document.getElementById("FUPDPIC-" + id);
 252
 253                 if (upd_img_pic) {
 254                         upd_img_pic.src = "images/blank_icon.gif";
 255                 }
 256
 257                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 258                 markHeadline(id);
 259
 260         } catch (e) {
 261                 exception_error("showArticleInHeadlines", e);
 262         }
 263 }
 264
 265 function article_callback2(transport, id, feed_id) {
 266         try {
 267                 debug("article_callback2 " + id);
 268
 269                 if (transport.responseXML) {
 270
 271                         active_real_feed_id = feed_id;
 272                         active_post_id = id;
 273
 274                         showArticleInHeadlines(id);
 275
 276                         var reply = transport.responseXML.firstChild.firstChild;
 277
 278                         var articles = transport.responseXML.getElementsByTagName("article");
 279
 280                         for (var i = 0; i < articles.length; i++) {
 281                                 var a_id = articles[i].getAttribute("id");
 282
 283                                 debug("found id: " + a_id);
 284
 285                                 if (a_id == active_post_id) {
 286                                         debug("active article, rendering...");
 287                                         render_article(articles[i].firstChild.nodeValue);
 288                                 }
 289
 290                                 cache_inject(a_id, articles[i].firstChild.nodeValue);
 291                         }
 292
 293                 } else {
 294                         debug("article_callback: returned no XML object");
 295                         var f = document.getElementById("content-frame");
 296                         f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 297                 }
 298
 299                 var date = new Date();
 300                 last_article_view = date.getTime() / 1000;
 301
 302                 if (typeof correctPNG != 'undefined') {
 303                         correctPNG();
 304                 }
 305
 306                 if (_reload_feedlist_after_view) {
 307                         setTimeout('updateFeedList(false, false)', 50);
 308                         _reload_feedlist_after_view = false;
 309                 } else {
 310                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 311
 312                         if (counters) {
 313                                 debug("parsing piggybacked counters: " + counters);
 314                                 parse_counters(counters, false);
 315                         } else {
 316                                 debug("counters container not found in reply");
 317                         }
 318                 }
 319
 320                 notify("");
 321         } catch (e) {
 322                 exception_error("article_callback2", e);
 323         }
 324 }
 325
 326 function view(id, feed_id, skip_history) {
 327
 328         try {
 329                 debug("loading article: " + id + "/" + feed_id);
 330
 331                 var cached_article = cache_find(id);
 332
 333                 debug("cache check result: " + (cached_article != false));
 334
 335                 enableHotkeys();
 336
 337                 //setActiveFeedId(feed_id);
 338
 339                 var query = "backend.php?op=view&id=" + param_escape(id) +
 340                         "&feed=" + param_escape(feed_id);
 341
 342                 var date = new Date();
 343
 344                 var neighbor_ids = getRelativePostIds(active_post_id);
 345
 346                 /* only request uncached articles */
 347
 348                 var cids_to_request = Array();
 349
 350                 for (var i = 0; i < neighbor_ids.length; i++) {
 351                         if (!cache_check(neighbor_ids[i])) {
 352                                 cids_to_request.push(neighbor_ids[i]);
 353                         }
 354                 }
 355
 356                 debug("additional ids: " + cids_to_request.toString());
 357
 358                 /* additional info for piggyback counters */
 359
 360                 if (tagsAreDisplayed()) {
 361                         query = query + "&omode=lt";
 362                 } else {
 363                         query = query + "&omode=flc";
 364                 }
 365
 366                 var date = new Date();
 367                 var timestamp = Math.round(date.getTime() / 1000);
 368                 query = query + "&ts=" + timestamp;
 369
 370                 query = query + "&cids=" + cids_to_request.toString();
 371
 372                 var crow = document.getElementById("RROW-" + id);
 373                 var article_is_unread = crow.className.match("Unread");
 374
 375                 showArticleInHeadlines(id);
 376
 377                 if (!cached_article) {
 378
 379                         notify_progress("Loading, please wait...");
 380
 381                 } else if (cached_article && article_is_unread) {
 382
 383                         query = query + "&mode=prefetch";
 384
 385                         render_article(cached_article);
 386
 387                 } else if (cached_article) {
 388
 389                         query = query + "&mode=prefetch_old";
 390                         render_article(cached_article);
 391                 }
 392
 393                 cache_expire();
 394
 395                 new Ajax.Request(query, {
 396                         onComplete: function(transport) {
 397                                 article_callback2(transport, id, feed_id);
 398                         } });
 399
 400         } catch (e) {
 401                 exception_error("view", e);
 402         }
 403 }
 404
 405 function tMark(id) {
 406         return toggleMark(id);
 407 }
 408
 409 function tPub(id) {
 410         return togglePub(id);
 411 }
 412
 413 function tMark_afh_off(effect) {
 414         try {
 415                 var elem = effect.effects[0].element;
 416
 417                 debug("tMark_afh_off : " + elem.id);
 418
 419                 if (elem) {
 420                         elem.src = elem.src.replace("mark_set", "mark_unset");
 421                         elem.alt = __("Star article");
 422                         Element.show(elem);
 423                 }
 424
 425         } catch (e) {
 426                 exception_error("tMark_afh_off", e);
 427         }
 428 }
 429
 430 function tPub_afh_off(effect) {
 431         try {
 432                 var elem = effect.effects[0].element;
 433
 434                 debug("tPub_afh_off : " + elem.id);
 435
 436                 if (elem) {
 437                         elem.src = elem.src.replace("pub_set", "pub_unset");
 438                         elem.alt = __("Publish article");
 439                         Element.show(elem);
 440                 }
 441
 442         } catch (e) {
 443                 exception_error("tPub_afh_off", e);
 444         }
 445 }
 446
 447 function toggleMark(id, client_only, no_effects) {
 448
 449         try {
 450
 451                 var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 452
 453                 query = query + "&afid=" + getActiveFeedId();
 454
 455                 if (tagsAreDisplayed()) {
 456                         query = query + "&omode=tl";
 457                 } else {
 458                         query = query + "&omode=flc";
 459                 }
 460
 461                 var mark_img = document.getElementById("FMPIC-" + id);
 462                 var vfeedu = document.getElementById("FEEDU--1");
 463                 var crow = document.getElementById("RROW-" + id);
 464
 465                 if (mark_img.src.match("mark_unset")) {
 466                         mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
 467                         mark_img.alt = __("Unstar article");
 468                         query = query + "&mark=1";
 469
 470 /*                      if (vfeedu && crow.className.match("Unread")) {
 471                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 472                         } */
 473
 474                 } else {
 475                         //mark_img.src = "images/mark_unset.png";
 476                         mark_img.alt = __("Please wait...");
 477                         query = query + "&mark=0";
 478
 479 /*                      if (vfeedu && crow.className.match("Unread")) {
 480                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 481                         } */
 482
 483                         if (document.getElementById("headlinesList") && !no_effects) {
 484                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 485                         } else {
 486                                 mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
 487                                 mark_img.alt = __("Star article");
 488                         }
 489                 }
 490
 491 /*              var vfeedctr = document.getElementById("FEEDCTR--1");
 492                 var vfeedr = document.getElementById("FEEDR--1");
 493
 494                 if (vfeedu && vfeedctr) {
 495                         if ((+vfeedu.innerHTML) > 0) {
 496                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 497                                         vfeedr.className = vfeedr.className + "Unread";
 498                                         vfeedctr.className = "odd";
 499                                 }
 500                         } else {
 501                                 vfeedctr.className = "invisible";
 502                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 503                         }
 504                 }
 505
 506                 debug("toggle starred for aid " + id);
 507
 508                 //new Ajax.Request(query); */
 509
 510                 if (!client_only) {
 511                         debug(query);
 512
 513                         new Ajax.Request(query, {
 514                                 onComplete: function(transport) {
 515                                         all_counters_callback2(transport);
 516                                 } });
 517
 518                 }
 519
 520         } catch (e) {
 521                 exception_error("toggleMark", e);
 522         }
 523 }
 524
 525 function togglePub(id, client_only, no_effects) {
 526
 527         try {
 528
 529                 var query = "backend.php?op=rpc&id=" + id + "&subop=publ";
 530
 531                 query = query + "&afid=" + getActiveFeedId();
 532
 533                 if (tagsAreDisplayed()) {
 534                         query = query + "&omode=tl";
 535                 } else {
 536                         query = query + "&omode=flc";
 537                 }
 538
 539                 var mark_img = document.getElementById("FPPIC-" + id);
 540                 var vfeedu = document.getElementById("FEEDU--2");
 541                 var crow = document.getElementById("RROW-" + id);
 542
 543                 if (mark_img.src.match("pub_unset")) {
 544                         mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
 545                         mark_img.alt = __("Unpublish article");
 546                         query = query + "&pub=1";
 547
 548 /*                      if (vfeedu && crow.className.match("Unread")) {
 549                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 550                         } */
 551
 552                 } else {
 553                         //mark_img.src = "images/pub_unset.png";
 554                         mark_img.alt = __("Please wait...");
 555                         query = query + "&pub=0";
 556
 557 /*                      if (vfeedu && crow.className.match("Unread")) {
 558                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 559                         } */
 560
 561                         if (document.getElementById("headlinesList") && !no_effects) {
 562                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 563                         } else {
 564                                 mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
 565                                 mark_img.alt = __("Publish article");
 566                         }
 567                 }
 568
 569 /*              var vfeedctr = document.getElementById("FEEDCTR--2");
 570                 var vfeedr = document.getElementById("FEEDR--2");
 571
 572                 if (vfeedu && vfeedctr) {
 573                         if ((+vfeedu.innerHTML) > 0) {
 574                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 575                                         vfeedr.className = vfeedr.className + "Unread";
 576                                         vfeedctr.className = "odd";
 577                                 }
 578                         } else {
 579                                 vfeedctr.className = "invisible";
 580                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 581                         }
 582                 }
 583
 584                 debug("toggle published for aid " + id);
 585
 586                 new Ajax.Request(query); */
 587
 588                 if (!client_only) {
 589                         new Ajax.Request(query, {
 590                                 onComplete: function(transport) {
 591                                         all_counters_callback2(transport);
 592                                 } });
 593                 }
 594
 595         } catch (e) {
 596
 597                 exception_error("togglePub", e);
 598         }
 599 }
 600
 601 function correctHeadlinesOffset(id) {
 602
 603         try {
 604
 605                 var hlist = document.getElementById("headlinesList");
 606                 var container = document.getElementById("headlinesInnerContainer");
 607                 var row = document.getElementById("RROW-" + id);
 608
 609                 var viewport = container.offsetHeight;
 610
 611                 var rel_offset_top = row.offsetTop - container.scrollTop;
 612                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 613
 614                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 615                 debug("Vport: " + viewport);
 616
 617                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 618                         container.scrollTop = row.offsetTop;
 619                 } else if (rel_offset_bottom > viewport) {
 620
 621                         /* doesn't properly work with Opera in some cases because
 622                                 Opera fucks up element scrolling */
 623
 624                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 625                 }
 626
 627         } catch (e) {
 628                 exception_error("correctHeadlinesOffset", e);
 629         }
 630
 631 }
 632
 633 function moveToPost(mode) {
 634
 635         // check for combined mode
 636         if (!document.getElementById("headlinesList"))
 637                 return;
 638
 639         var rows = getVisibleHeadlineIds();
 640
 641         var prev_id = false;
 642         var next_id = false;
 643
 644         if (!document.getElementById('RROW-' + active_post_id)) {
 645                 active_post_id = false;
 646         }
 647
 648         if (active_post_id == false) {
 649                 next_id = getFirstVisibleHeadlineId();
 650                 prev_id = getLastVisibleHeadlineId();
 651         } else {
 652                 for (var i = 0; i < rows.length; i++) {
 653                         if (rows[i] == active_post_id) {
 654                                 prev_id = rows[i-1];
 655                                 next_id = rows[i+1];
 656                         }
 657                 }
 658         }
 659
 660         if (mode == "next") {
 661                 if (next_id) {
 662                         correctHeadlinesOffset(next_id);
 663                         view(next_id, getActiveFeedId());
 664                 }
 665         }
 666
 667         if (mode == "prev") {
 668                 if (prev_id) {
 669                         correctHeadlinesOffset(prev_id);
 670                         view(prev_id, getActiveFeedId());
 671                 }
 672         }
 673 }
 674
 675 function toggleUnread(id, cmode) {
 676         try {
 677
 678                 var row = document.getElementById("RROW-" + id);
 679                 if (row) {
 680                         var nc = row.className;
 681                         nc = nc.replace("Unread", "");
 682                         nc = nc.replace("Selected", "");
 683
 684                         if (cmode == undefined || cmode == 2) {
 685                                 if (row.className.match("Unread")) {
 686                                         row.className = nc;
 687                                 } else {
 688                                         row.className = nc + "Unread";
 689                                 }
 690                         } else if (cmode == 0) {
 691                                 row.className = nc;
 692                         } else if (cmode == 1) {
 693                                 row.className = nc + "Unread";
 694                         }
 695
 696                         if (cmode == undefined) cmode = 2;
 697
 698                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 699                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 700
 701 //                      notify_progress("Loading, please wait...");
 702
 703                         new Ajax.Request(query, {
 704                                 onComplete: function(transport) {
 705                                         all_counters_callback2(transport);
 706                                 } });
 707
 708                 }
 709
 710
 711         } catch (e) {
 712                 exception_error("toggleUnread", e);
 713         }
 714 }
 715
 716 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
 717         try {
 718                 var rows;
 719
 720                 if (cdm_mode) {
 721                         rows = cdmGetSelectedArticles();
 722                 } else {
 723                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 724                 }
 725
 726                 if (rows.length == 0 && !no_error) {
 727                         alert(__("No articles are selected."));
 728                         return;
 729                 }
 730
 731                 for (i = 0; i < rows.length; i++) {
 732                         var row = document.getElementById("RROW-" + rows[i]);
 733                         if (row) {
 734                                 var nc = row.className;
 735                                 nc = nc.replace("Unread", "");
 736                                 nc = nc.replace("Selected", "");
 737
 738                                 if (set_state == undefined) {
 739                                         if (row.className.match("Unread")) {
 740                                                 row.className = nc + "Selected";
 741                                         } else {
 742                                                 row.className = nc + "UnreadSelected";
 743                                         }
 744                                 }
 745
 746                                 if (set_state == false) {
 747                                         row.className = nc + "Selected";
 748                                 }
 749
 750                                 if (set_state == true) {
 751                                         row.className = nc + "UnreadSelected";
 752                                 }
 753                         }
 754                 }
 755
 756                 if (rows.length > 0) {
 757
 758                         var cmode = "";
 759
 760                         if (set_state == undefined) {
 761                                 cmode = "2";
 762                         } else if (set_state == true) {
 763                                 cmode = "1";
 764                         } else if (set_state == false) {
 765                                 cmode = "0";
 766                         }
 767
 768                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 769                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 770
 771                         notify_progress("Loading, please wait...");
 772
 773                         new Ajax.Request(query, {
 774                                 onComplete: function(transport) {
 775                                         catchup_callback2(transport, callback_func);
 776                                 } });
 777
 778                 }
 779
 780         } catch (e) {
 781                 exception_error("selectionToggleUnread", e);
 782         }
 783 }
 784
 785 function selectionToggleMarked(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                         toggleMark(rows[i], true, true);
 803                 }
 804
 805                 if (rows.length > 0) {
 806
 807                         var query = "backend.php?op=rpc&subop=markSelected&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 selectionTogglePublished(cdm_mode) {
 833         try {
 834
 835                 var rows;
 836
 837                 if (cdm_mode) {
 838                         rows = cdmGetSelectedArticles();
 839                 } else {
 840                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 841                 }
 842
 843                 if (rows.length == 0) {
 844                         alert(__("No articles are selected."));
 845                         return;
 846                 }
 847
 848                 for (i = 0; i < rows.length; i++) {
 849                         togglePub(rows[i], true, true);
 850                 }
 851
 852                 if (rows.length > 0) {
 853
 854                         var query = "backend.php?op=rpc&subop=publishSelected&ids=" +
 855                                 param_escape(rows.toString()) + "&cmode=2";
 856
 857                         query = query + "&afid=" + getActiveFeedId();
 858
 859 /*                      if (tagsAreDisplayed()) {
 860                                 query = query + "&omode=tl";
 861                         } else {
 862                                 query = query + "&omode=flc";
 863                         } */
 864
 865                         query = query + "&omode=lc";
 866
 867                         new Ajax.Request(query, {
 868                                 onComplete: function(transport) {
 869                                         all_counters_callback2(transport);
 870                                 } });
 871
 872                 }
 873
 874         } catch (e) {
 875                 exception_error("selectionToggleMarked", e);
 876         }
 877 }
 878
 879 function cdmGetSelectedArticles() {
 880         var sel_articles = new Array();
 881         var container = document.getElementById("headlinesInnerContainer");
 882
 883         for (i = 0; i < container.childNodes.length; i++) {
 884                 var child = container.childNodes[i];
 885
 886                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 887                         var c_id = child.id.replace("RROW-", "");
 888                         sel_articles.push(c_id);
 889                 }
 890         }
 891
 892         return sel_articles;
 893 }
 894
 895 function cdmGetVisibleArticles() {
 896         var sel_articles = new Array();
 897         var container = document.getElementById("headlinesInnerContainer");
 898
 899         for (i = 0; i < container.childNodes.length; i++) {
 900                 var child = container.childNodes[i];
 901
 902                 if (child.id.match("RROW-")) {
 903                         var c_id = child.id.replace("RROW-", "");
 904                         sel_articles.push(c_id);
 905                 }
 906         }
 907
 908         return sel_articles;
 909 }
 910
 911 function cdmGetUnreadArticles() {
 912         var sel_articles = new Array();
 913         var container = document.getElementById("headlinesInnerContainer");
 914
 915         for (i = 0; i < container.childNodes.length; i++) {
 916                 var child = container.childNodes[i];
 917
 918                 if (child.id.match("RROW-") && child.className.match("Unread")) {
 919                         var c_id = child.id.replace("RROW-", "");
 920                         sel_articles.push(c_id);
 921                 }
 922         }
 923
 924         return sel_articles;
 925 }
 926
 927
 928 // mode = all,none,unread
 929 function cdmSelectArticles(mode) {
 930         var container = document.getElementById("headlinesInnerContainer");
 931
 932         for (i = 0; i < container.childNodes.length; i++) {
 933                 var child = container.childNodes[i];
 934
 935                 if (child.id.match("RROW-")) {
 936                         var aid = child.id.replace("RROW-", "");
 937
 938                         var cb = document.getElementById("RCHK-" + aid);
 939
 940                         if (mode == "all") {
 941                                 if (!child.className.match("Selected")) {
 942                                         child.className = child.className + "Selected";
 943                                         cb.checked = true;
 944                                 }
 945                         } else if (mode == "unread") {
 946                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 947                                         child.className = child.className + "Selected";
 948                                         cb.checked = true;
 949                                 }
 950                         } else {
 951                                 child.className = child.className.replace("Selected", "");
 952                                 cb.checked = false;
 953                         }
 954                 }
 955         }
 956 }
 957
 958 function catchupPage() {
 959
 960         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 961
 962         var str = __("Mark all visible articles in %s as read?");
 963
 964         str = str.replace("%s", fn);
 965
 966         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 967                 return;
 968         }
 969
 970         if (document.getElementById("headlinesList")) {
 971                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 972                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 973                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 974         } else {
 975                 cdmSelectArticles('all');
 976                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 977                 cdmSelectArticles('none');
 978         }
 979 }
 980
 981 function catchupSelection() {
 982
 983         try {
 984
 985                 var rows;
 986
 987                 if (document.getElementById("headlinesList")) {
 988                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 989                 } else {
 990                         rows = cdmGetSelectedArticles();
 991                 }
 992
 993                 if (rows.length == 0) {
 994                         alert(__("No articles are selected."));
 995                         return;
 996                 }
 997
 998
 999                 var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
1000
1001                 var str = __("Mark %d selected articles in %s as read?");
1002
1003                 str = str.replace("%d", rows.length);
1004                 str = str.replace("%s", fn);
1005
1006                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1007                         return;
1008                 }
1009
1010                 if (document.getElementById("headlinesList")) {
1011                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
1012         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
1013                 } else {
1014                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
1015         //              cdmSelectArticles('none');
1016                 }
1017
1018         } catch (e) {
1019                 exception_error("catchupSelection", e);
1020         }
1021 }
1022
1023
1024 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
1025
1026         if (!xmlhttp_ready(xmlhttp_rpc)) {
1027                 printLockingError();
1028         }
1029
1030         var title = prompt(__("Please enter label title:"), "");
1031
1032         if (title) {
1033
1034                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
1035                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
1036                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
1037                         "&title=" + param_escape(title);
1038
1039                 debug("LFS: " + query);
1040
1041                 new Ajax.Request(query, {
1042                         onComplete: function(transport) {
1043                                         dlg_frefresh_callback(transport);
1044                                 } });
1045         }
1046 }
1047
1048 function editArticleTags(id, feed_id, cdm_enabled) {
1049         _tag_active_post_id = id;
1050         _tag_active_feed_id = feed_id;
1051         _tag_active_cdm = cdm_enabled;
1052
1053         cache_invalidate(id);
1054
1055         try {
1056                 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
1057         } catch (e) { }
1058         displayDlg('editArticleTags', id);
1059 }
1060
1061
1062 function tag_saved_callback(transport) {
1063         try {
1064                 debug("in tag_saved_callback");
1065
1066                 closeInfoBox();
1067                 notify("");
1068
1069                 if (tagsAreDisplayed()) {
1070                         _reload_feedlist_after_view = true;
1071                 }
1072
1073                 if (!_tag_active_cdm) {
1074                         if (active_post_id == _tag_active_post_id) {
1075                                 debug("reloading current article");
1076                                 view(_tag_active_post_id, _tag_active_feed_id);
1077                         }
1078                 } else {
1079                         debug("reloading current feed");
1080                         viewCurrentFeed();
1081                 }
1082
1083         } catch (e) {
1084                 exception_error("catchup_callback", e);
1085         }
1086 }
1087
1088 function editTagsSave() {
1089
1090         notify_progress("Saving article tags...");
1091
1092         var form = document.forms["tag_edit_form"];
1093
1094         var query = Form.serialize("tag_edit_form");
1095
1096         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
1097
1098         debug(query);
1099
1100         new Ajax.Request(query, {
1101                 onComplete: function(transport) {
1102                                 tag_saved_callback(transport);
1103                         } });
1104
1105 }
1106
1107 function editTagsInsert() {
1108         try {
1109
1110                 var form = document.forms["tag_edit_form"];
1111
1112                 var found_tags = form.found_tags;
1113                 var tags_str = form.tags_str;
1114
1115                 var tag = found_tags[found_tags.selectedIndex].value;
1116
1117                 if (tags_str.value.length > 0 &&
1118                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1119
1120                         tags_str.value = tags_str.value + ", ";
1121                 }
1122
1123                 tags_str.value = tags_str.value + tag + ", ";
1124
1125                 found_tags.selectedIndex = 0;
1126
1127         } catch (e) {
1128                 exception_error(e, "editTagsInsert");
1129         }
1130 }
1131
1132 function cdmWatchdog() {
1133
1134         try {
1135
1136                 var ctr = document.getElementById("headlinesInnerContainer");
1137
1138                 if (!ctr) return;
1139
1140                 var ids = new Array();
1141
1142                 var e = ctr.firstChild;
1143
1144                 while (e) {
1145                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1146                                         e.id.match("RROW-")) {
1147
1148                                 // article fits in viewport OR article is longer than viewport and
1149                                 // its bottom is visible
1150
1151                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1152                                                 ctr.scrollTop + ctr.offsetHeight) {
1153
1154 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1155 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1156 //                                              (ctr.scrollTop + ctr.offsetHeight));
1157
1158                                         ids.push(e.id.replace("RROW-", ""));
1159
1160                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1161                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1162                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1163
1164                                         ids.push(e.id.replace("RROW-", ""));
1165
1166                                 }
1167
1168                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1169
1170 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1171                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1172
1173                                         ids.push(e.id.replace("RROW-", ""));
1174
1175                                 } */
1176
1177                         }
1178
1179                         e = e.nextSibling;
1180                 }
1181
1182                 debug("cdmWatchdog, ids= " + ids.toString());
1183
1184                 if (ids.length > 0) {
1185
1186                         for (var i = 0; i < ids.length; i++) {
1187                                 var e = document.getElementById("RROW-" + ids[i]);
1188                                 if (e) {
1189                                         e.className = e.className.replace("Unread", "");
1190                                 }
1191                         }
1192
1193                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1194                                 param_escape(ids.toString()) + "&cmode=0";
1195
1196                         new Ajax.Request(query, {
1197                                 onComplete: function(transport) {
1198                                         all_counters_callback2(transport);
1199                                 } });
1200
1201                 }
1202
1203                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1204
1205         } catch (e) {
1206                 exception_error(e, "cdmWatchdog");
1207         }
1208
1209 }
1210
1211
1212 function cache_inject(id, article, param) {
1213         if (!cache_check_param(id, param)) {
1214                 debug("cache_article: miss: " + id + " [p=" + param + "]");
1215
1216                 var cache_obj = new Array();
1217
1218                 cache_obj["id"] = id;
1219                 cache_obj["data"] = article;
1220                 cache_obj["param"] = param;
1221
1222                 article_cache.push(cache_obj);
1223
1224         } else {
1225                 debug("cache_article: hit: " + id + " [p=" + param + "]");
1226         }
1227 }
1228
1229 function cache_find(id) {
1230         for (var i = 0; i < article_cache.length; i++) {
1231                 if (article_cache[i]["id"] == id) {
1232                         return article_cache[i]["data"];
1233                 }
1234         }
1235         return false;
1236 }
1237
1238 function cache_find_param(id, param) {
1239         for (var i = 0; i < article_cache.length; i++) {
1240                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1241                         return article_cache[i]["data"];
1242                 }
1243         }
1244         return false;
1245 }
1246
1247 function cache_check(id) {
1248         for (var i = 0; i < article_cache.length; i++) {
1249                 if (article_cache[i]["id"] == id) {
1250                         return true;
1251                 }
1252         }
1253         return false;
1254 }
1255
1256 function cache_check_param(id, param) {
1257         for (var i = 0; i < article_cache.length; i++) {
1258
1259 //              debug("cache_check_param " + article_cache[i]["id"] + ":" +
1260 //                      article_cache[i]["param"] + " vs " + id + ":" + param);
1261
1262                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1263                         return true;
1264                 }
1265         }
1266         return false;
1267 }
1268
1269 function cache_expire() {
1270         while (article_cache.length > 20) {
1271                 article_cache.shift();
1272         }
1273 }
1274
1275 function cache_invalidate(id) {
1276         var i = 0
1277
1278         try {
1279
1280                 while (i < article_cache.length) {
1281                         if (article_cache[i]["id"] == id) {
1282                                 debug("cache_invalidate: removed id " + id);
1283                                 article_cache.splice(i, 1);
1284                                 return true;
1285                         }
1286                         i++;
1287                 }
1288                 debug("cache_invalidate: id not found: " + id);
1289                 return false;
1290         } catch (e) {
1291                 exception_error("cache_invalidate", e);
1292         }
1293 }
1294
1295 function getActiveArticleId() {
1296         return active_post_id;
1297 }
1298
1299 function cdmMouseIn(elem) {
1300         try {
1301                 if (elem.id && elem.id.match("RROW-")) {
1302                         var id = elem.id.replace("RROW-", "");
1303                         active_post_id = id;
1304                 }
1305         } catch (e) {
1306                 exception_error("cdmMouseIn", e);
1307         }
1308
1309 }
1310
1311 function cdmMouseOut(elem) {
1312         active_post_id = false;
1313 }
1314
1315 function headlines_scroll_handler() {
1316         try {
1317
1318                 var e = document.getElementById("headlinesInnerContainer");
1319
1320                 // don't do infinite scrolling when Limit == All
1321
1322                 var toolbar_form = document.forms["main_toolbar_form"];
1323
1324                 var limit = toolbar_form.limit[toolbar_form.limit.selectedIndex];
1325                 if (limit.value != 0) {
1326                         if (e.scrollTop + e.offsetHeight > e.scrollHeight - 50) {
1327                                 if (!_infscroll_disable) {
1328                                         debug("more cowbell!");
1329                                         viewNextFeedPage();
1330                                 }
1331                         }
1332                 }
1333
1334         } catch (e) {
1335                 exception_error("headlines_scroll_handler", e);
1336         }
1337 }
1338
1339 function catchupRelativeToArticle(below) {
1340
1341         try {
1342
1343                 if (!xmlhttp_ready(xmlhttp_rpc)) {
1344                         printLockingError();
1345                 }
1346
1347                 if (!getActiveArticleId()) {
1348                         alert(__("No article is selected."));
1349                         return;
1350                 }
1351
1352                 var visible_ids;
1353
1354                 if (document.getElementById("headlinesList")) {
1355                         visible_ids = getVisibleHeadlineIds();
1356                 } else {
1357                         visible_ids = cdmGetVisibleArticles();
1358                 }
1359
1360                 var ids_to_mark = new Array();
1361
1362                 if (!below) {
1363                         for (var i = 0; i < visible_ids.length; i++) {
1364                                 if (visible_ids[i] != getActiveArticleId()) {
1365                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1366
1367                                         if (e && e.className.match("Unread")) {
1368                                                 ids_to_mark.push(visible_ids[i]);
1369                                         }
1370                                 } else {
1371                                         break;
1372                                 }
1373                         }
1374                 } else {
1375                         for (var i = visible_ids.length-1; i >= 0; i--) {
1376                                 if (visible_ids[i] != getActiveArticleId()) {
1377                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1378
1379                                         if (e && e.className.match("Unread")) {
1380                                                 ids_to_mark.push(visible_ids[i]);
1381                                         }
1382                                 } else {
1383                                         break;
1384                                 }
1385                         }
1386                 }
1387
1388                 if (ids_to_mark.length == 0) {
1389                         alert(__("No articles found to mark"));
1390                 } else {
1391                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1392
1393                         if (confirm(msg)) {
1394
1395                                 for (var i = 0; i < ids_to_mark.length; i++) {
1396                                         var e = document.getElementById("RROW-" + ids_to_mark[i]);
1397                                         e.className = e.className.replace("Unread", "");
1398                                 }
1399
1400                                 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1401                                         param_escape(ids_to_mark.toString()) + "&cmode=0";
1402
1403                                 new Ajax.Request(query, {
1404                                         onComplete: function(transport) {
1405                                                 catchup_callback2(transport);
1406                                         } });
1407
1408                         }
1409                 }
1410
1411         } catch (e) {
1412                 exception_error("catchupRelativeToArticle", e);
1413         }
1414 }
1415
1416 function cdmExpandArticle(a_id) {
1417         try {
1418                 var id = 'CICD-' + a_id;
1419
1420                 Effect.Appear(id, {duration : 0.5,
1421                         beforeStart: function(effect) {
1422                                 var h_id = 'CICH-' + a_id;
1423                                 var h_elem = document.getElementById(h_id);
1424                                 if (h_elem) { h_elem.style.display = "none"; }
1425
1426                                 toggleUnread(a_id, 0);
1427                         }});
1428
1429
1430         } catch (e) {
1431                 exception_error("appearBlockElementF", e);
1432         }
1433
1434 }
1435
1436