viewfeed.js

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