viewfeed.js

   1 var active_post_id = false;
   2 var last_article_view = false;
   3 var active_real_feed_id = false;
   4
   5 var _cdm_wd_timeout = false;
   6 var _cdm_wd_vishist = new Array();
   7
   8 var article_cache = new Array();
   9
  10 var vgroup_last_feed = false;
  11 var post_under_pointer = false;
  12
  13 var last_requested_article = false;
  14
  15 var preload_id_batch = [];
  16 var preload_timeout_id = false;
  17
  18 var cache_added = [];
  19
  20 function catchup_callback2(transport, callback) {
  21         try {
  22                 console.log("catchup_callback2 " + transport + ", " + callback);
  23                 notify("");
  24                 handle_rpc_reply(transport);
  25                 if (callback) {
  26                         setTimeout(callback, 10);
  27                 }
  28         } catch (e) {
  29                 exception_error("catchup_callback2", e, transport);
  30         }
  31 }
  32
  33 function headlines_callback2(transport, feed_cur_page) {
  34         try {
  35
  36                 if (!handle_rpc_reply(transport)) return;
  37
  38                 loading_set_progress(25);
  39
  40                 console.log("headlines_callback2 [page=" + feed_cur_page + "]");
  41
  42                 if (!transport_error_check(transport)) return;
  43
  44                 var is_cat = false;
  45                 var feed_id = false;
  46
  47                 if (transport.responseXML) {
  48                         var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
  49                         if (headlines) {
  50                                 is_cat = headlines.getAttribute("is_cat");
  51                                 feed_id = headlines.getAttribute("id");
  52                                 setActiveFeedId(feed_id, is_cat);
  53                         }
  54                 }
  55
  56                 var update_btn = document.forms["main_toolbar_form"].update;
  57
  58                 update_btn.disabled = !(feed_id >= 0 && !is_cat);
  59
  60                 try {
  61                         if (feed_cur_page == 0) {
  62                                 $("headlines-frame").scrollTop = 0;
  63                         }
  64                 } catch (e) { };
  65
  66                 if (transport.responseXML) {
  67                         var response = transport.responseXML;
  68
  69                         var headlines = response.getElementsByTagName("headlines")[0];
  70
  71                         var headlines_content = headlines.getElementsByTagName("content")[0];
  72                         var headlines_toolbar = headlines.getElementsByTagName("toolbar")[0];
  73
  74                         var headlines_info = response.getElementsByTagName("headlines-info")[0];
  75
  76                         if (headlines_info)
  77                                 headlines_info = JSON.parse(headlines_info.firstChild.nodeValue);
  78                         else {
  79                                 console.error("didn't find headlines-info object in response");
  80                                 return;
  81                         }
  82
  83                         var headlines_count = headlines_info.count;
  84                         var headlines_unread = headlines_info.unread;
  85                         var disable_cache = headlines_info.disable_cache;
  86
  87                         vgroup_last_feed = headlines_info.vgroup_last_feed;
  88
  89                         if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
  90                                 _infscroll_disable = 1;
  91                         } else {
  92                                 _infscroll_disable = 0;
  93                         }
  94
  95                         var counters = response.getElementsByTagName("counters")[0];
  96                         var articles = response.getElementsByTagName("article");
  97                         var runtime_info = response.getElementsByTagName("runtime-info");
  98
  99                         if (feed_cur_page == 0) {
 100                                 if (headlines) {
 101                                         dijit.byId("headlines-frame").attr('content',
 102                                                 headlines_content.firstChild.nodeValue);
 103
 104                                         dijit.byId("headlines-toolbar").attr('content',
 105                                                 headlines_toolbar.firstChild.nodeValue);
 106
 107                                         initHeadlinesMenu();
 108
 109                                         var cache_prefix = "";
 110
 111                                         if (is_cat) {
 112                                                 cache_prefix = "C:";
 113                                         } else {
 114                                                 cache_prefix = "F:";
 115                                         }
 116
 117                                         cache_invalidate(cache_prefix + feed_id);
 118
 119                                         if (!disable_cache) {
 120                                                 cache_inject(cache_prefix + feed_id,
 121                                                         $("headlines-frame").innerHTML, headlines_unread);
 122                                         }
 123
 124                                 } else {
 125                                         console.warn("headlines_callback: returned no data");
 126                                         dijit.byId("headlines-frame").attr('content',
 127                                                 "<div class='whiteBox'>" +
 128                                                 __('Could not update headlines (missing XML data)') + "</div>");
 129
 130                                 }
 131                         } else {
 132                                 if (headlines) {
 133                                         if (headlines_count > 0) {
 134                                                 console.log("adding some more headlines...");
 135
 136                                                 var c = dijit.byId("headlines-frame");
 137                                                 var ids = getSelectedArticleIds2();
 138
 139                                                 c.attr('content', c.attr('content') +
 140                                                         headlines_content.firstChild.nodeValue);
 141
 142                                                 console.log("restore selected ids: " + ids);
 143
 144                                                 for (var i = 0; i < ids.length; i++) {
 145                                                         markHeadline(ids[i]);
 146                                                 }
 147
 148                                                 initHeadlinesMenu();
 149
 150                                         } else {
 151                                                 console.log("no new headlines received");
 152                                         }
 153                                 } else {
 154                                         console.warn("headlines_callback: returned no data");
 155                                         notify_error("Error while trying to load more headlines");
 156                                 }
 157
 158                         }
 159
 160                         if (articles) {
 161                                 for (var i = 0; i < articles.length; i++) {
 162                                         var a_id = articles[i].getAttribute("id");
 163                                         //console.log("found id: " + a_id);
 164                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 165                                 }
 166                         } else {
 167                                 console.log("no cached articles received");
 168                         }
 169
 170                         if (counters)
 171                                 parse_counters(counters);
 172                         else
 173                                 request_counters();
 174
 175                         if (runtime_info) {
 176                                 parse_runtime_info(runtime_info[0]);
 177                         }
 178
 179                 } else {
 180                         console.warn("headlines_callback: returned no XML object");
 181                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 182                                         __('Could not update headlines (missing XML object)') + "</div>");
 183                 }
 184
 185
 186                 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
 187
 188                 if (isCdmMode() &&
 189                                 getActiveFeedId() != -3 &&
 190                                 getInitParam("cdm_auto_catchup") == 1) {
 191                         console.log("starting CDM watchdog");
 192                         _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 193                         _cdm_wd_vishist = new Array();
 194                 } else {
 195                         console.log("not in CDM mode or watchdog disabled");
 196                 }
 197
 198                 _feed_cur_page = feed_cur_page;
 199                 _infscroll_request_sent = 0;
 200
 201                 notify("");
 202
 203         } catch (e) {
 204                 exception_error("headlines_callback2", e, transport);
 205         }
 206 }
 207
 208 function render_article(article) {
 209         try {
 210                 dijit.byId("headlines-wrap-inner").addChild(
 211                                 dijit.byId("content-insert"));
 212
 213                 var c = dijit.byId("content-insert");
 214
 215                 try {
 216                         c.domNode.scrollTop = 0;
 217                 } catch (e) { };
 218
 219                 c.attr('content', article);
 220
 221                 correctHeadlinesOffset(getActiveArticleId());
 222
 223         } catch (e) {
 224                 exception_error("render_article", e);
 225         }
 226 }
 227
 228 function showArticleInHeadlines(id) {
 229
 230         try {
 231
 232                 selectArticles("none");
 233
 234                 var crow = $("RROW-" + id);
 235
 236                 if (!crow) return;
 237
 238                 var article_is_unread = crow.hasClassName("Unread");
 239
 240                 crow.removeClassName("Unread");
 241
 242                 selectArticles('none');
 243
 244                 var upd_img_pic = $("FUPDPIC-" + id);
 245
 246                 var cache_prefix = "";
 247
 248                 if (activeFeedIsCat()) {
 249                         cache_prefix = "C:";
 250                 } else {
 251                         cache_prefix = "F:";
 252                 }
 253
 254                 var view_mode = false;
 255
 256                 try {
 257                         view_mode = document.forms['main_toolbar_form'].view_mode;
 258                         view_mode = view_mode[view_mode.selectedIndex].value;
 259                 } catch (e) {
 260                         //
 261                 }
 262
 263                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 264                                         upd_img_pic.src.match("fresh_sign.png"))) {
 265
 266                         upd_img_pic.src = "images/blank_icon.gif";
 267
 268                         cache_invalidate(cache_prefix + getActiveFeedId());
 269
 270                         cache_inject(cache_prefix + getActiveFeedId(),
 271                                 $("headlines-frame").innerHTML,
 272                                 getFeedUnread(getActiveFeedId()));
 273
 274                 } else if (article_is_unread && view_mode == "all_articles") {
 275
 276                         cache_invalidate(cache_prefix + getActiveFeedId());
 277
 278                         cache_inject(cache_prefix + getActiveFeedId(),
 279                                 $("headlines-frame").innerHTML,
 280                                 getFeedUnread(getActiveFeedId())-1);
 281
 282                 } else if (article_is_unread) {
 283                         cache_invalidate(cache_prefix + getActiveFeedId());
 284                 }
 285
 286                 markHeadline(id);
 287
 288                 if (article_is_unread)
 289                         _force_scheduled_update = true;
 290
 291         } catch (e) {
 292                 exception_error("showArticleInHeadlines", e);
 293         }
 294 }
 295
 296 function article_callback2(transport, id) {
 297         try {
 298                 console.log("article_callback2 " + id);
 299
 300                 if (!handle_rpc_reply(transport)) return;
 301
 302                 if (transport.responseXML) {
 303
 304                         if (!transport_error_check(transport)) return;
 305
 306                         var upic = $('FUPDPIC-' + id);
 307
 308                         if (upic) {
 309                                 upic.src = 'images/blank_icon.gif';
 310                         }
 311
 312                         if (id != last_requested_article) {
 313                                 console.log("requested article id is out of sequence, aborting");
 314                                 return;
 315                         }
 316
 317 //                      active_post_id = id;
 318
 319                         //console.log("looking for articles to cache...");
 320
 321                         var articles = transport.responseXML.getElementsByTagName("article");
 322
 323                         for (var i = 0; i < articles.length; i++) {
 324                                 var a_id = articles[i].getAttribute("id");
 325
 326                                 //console.log("found id: " + a_id);
 327
 328                                 if (a_id == active_post_id) {
 329                                         //console.log("active article, rendering...");
 330                                         render_article(articles[i].firstChild.nodeValue);
 331                                 }
 332
 333                                 cache_inject(a_id, articles[i].firstChild.nodeValue);
 334                         }
 335
 336
 337 //                      showArticleInHeadlines(id);
 338
 339                         var reply = transport.responseXML.firstChild.firstChild;
 340
 341                 } else {
 342                         console.warn("article_callback: returned no XML object");
 343                         //var f = $("content-frame");
 344                         //f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 345                 }
 346
 347                 var date = new Date();
 348                 last_article_view = date.getTime() / 1000;
 349
 350                 request_counters();
 351
 352                 notify("");
 353         } catch (e) {
 354                 exception_error("article_callback2", e, transport);
 355         }
 356 }
 357
 358 function view(id) {
 359         try {
 360                 console.log("loading article: " + id);
 361
 362                 var cached_article = cache_find(id);
 363
 364                 console.log("cache check result: " + (cached_article != false));
 365
 366                 hideAuxDlg();
 367
 368                 var query = "?op=view&id=" + param_escape(id);
 369
 370                 var neighbor_ids = getRelativePostIds(active_post_id);
 371
 372                 /* only request uncached articles */
 373
 374                 var cids_to_request = Array();
 375
 376                 for (var i = 0; i < neighbor_ids.length; i++) {
 377                         if (!cache_check(neighbor_ids[i])) {
 378                                 cids_to_request.push(neighbor_ids[i]);
 379                         }
 380                 }
 381
 382                 console.log("additional ids: " + cids_to_request.toString());
 383
 384                 query = query + "&cids=" + cids_to_request.toString();
 385
 386                 var crow = $("RROW-" + id);
 387                 var article_is_unread = crow.hasClassName("Unread");
 388
 389                 active_post_id = id;
 390                 showArticleInHeadlines(id);
 391
 392                 if (!cached_article) {
 393
 394                         var upic = $('FUPDPIC-' + id);
 395
 396                         if (upic) {
 397                                 upic.src = getInitParam("sign_progress");
 398                         }
 399
 400                 } else if (cached_article && article_is_unread) {
 401
 402                         query = query + "&mode=prefetch";
 403
 404                         render_article(cached_article);
 405
 406                 } else if (cached_article) {
 407
 408                         query = query + "&mode=prefetch_old";
 409                         render_article(cached_article);
 410
 411                 }
 412
 413                 cache_expire();
 414
 415                 last_requested_article = id;
 416
 417                 new Ajax.Request("backend.php", {
 418                         parameters: query,
 419                         onComplete: function(transport) {
 420                                 article_callback2(transport, id);
 421                         } });
 422
 423                 return false;
 424
 425         } catch (e) {
 426                 exception_error("view", e);
 427         }
 428 }
 429
 430 function tMark(id) {
 431         return toggleMark(id);
 432 }
 433
 434 function tPub(id) {
 435         return togglePub(id);
 436 }
 437
 438 function toggleMark(id, client_only) {
 439         try {
 440                 var query = "?op=rpc&id=" + id + "&subop=mark";
 441
 442                 var img = $("FMPIC-" + id);
 443
 444                 if (!img) return;
 445
 446                 if (img.src.match("mark_unset")) {
 447                         img.src = img.src.replace("mark_unset", "mark_set");
 448                         img.alt = __("Unstar article");
 449                         query = query + "&mark=1";
 450
 451                 } else {
 452                         img.src = img.src.replace("mark_set", "mark_unset");
 453                         img.alt = __("Star article");
 454                         query = query + "&mark=0";
 455                 }
 456
 457                 if (!client_only) {
 458                         new Ajax.Request("backend.php", {
 459                                 parameters: query,
 460                                 onComplete: function(transport) {
 461                                         handle_rpc_reply(transport);
 462                                 } });
 463                 }
 464
 465         } catch (e) {
 466                 exception_error("toggleMark", e);
 467         }
 468 }
 469
 470 function togglePub(id, client_only, no_effects, note) {
 471         try {
 472                 var query = "?op=rpc&id=" + id + "&subop=publ";
 473
 474                 if (note != undefined) {
 475                         query = query + "&note=" + param_escape(note);
 476                 } else {
 477                         query = query + "&note=undefined";
 478                 }
 479
 480                 var img = $("FPPIC-" + id);
 481
 482                 if (!img) return;
 483
 484                 if (img.src.match("pub_unset") || note != undefined) {
 485                         img.src = img.src.replace("pub_unset", "pub_set");
 486                         img.alt = __("Unpublish article");
 487                         query = query + "&pub=1";
 488
 489                 } else {
 490                         img.src = img.src.replace("pub_set", "pub_unset");
 491                         img.alt = __("Publish article");
 492
 493                         query = query + "&pub=0";
 494                 }
 495
 496                 if (!client_only) {
 497                         new Ajax.Request("backend.php", {
 498                                 parameters: query,
 499                                 onComplete: function(transport) {
 500                                         handle_rpc_reply(transport);
 501
 502                                         var note = transport.responseXML.getElementsByTagName("note")[0];
 503
 504                                         if (note) {
 505                                                 var note_id = note.getAttribute("id");
 506                                                 var note_size = note.getAttribute("size");
 507                                                 var note_content = note.firstChild.nodeValue;
 508
 509                                                 var container = $('POSTNOTE-' + note_id);
 510
 511                                                 cache_invalidate(note_id);
 512
 513                                                 if (container) {
 514                                                         if (note_size == "0") {
 515                                                                 Element.hide(container);
 516                                                         } else {
 517                                                                 container.innerHTML = note_content;
 518                                                                 Element.show(container);
 519                                                         }
 520                                                 }
 521                                         }
 522
 523                                 } });
 524                 }
 525
 526         } catch (e) {
 527                 exception_error("togglePub", e);
 528         }
 529 }
 530
 531 function moveToPost(mode) {
 532
 533         try {
 534
 535                 var rows = getVisibleArticleIds();
 536
 537                 var prev_id = false;
 538                 var next_id = false;
 539
 540                 if (!$('RROW-' + active_post_id)) {
 541                         active_post_id = false;
 542                 }
 543
 544                 if (active_post_id == false) {
 545                         next_id = getFirstVisibleHeadlineId();
 546                         prev_id = getLastVisibleHeadlineId();
 547                 } else {
 548                         for (var i = 0; i < rows.length; i++) {
 549                                 if (rows[i] == active_post_id) {
 550                                         prev_id = rows[i-1];
 551                                         next_id = rows[i+1];
 552                                 }
 553                         }
 554                 }
 555
 556                 if (mode == "next") {
 557                         if (next_id) {
 558                                 if (isCdmMode()) {
 559
 560                                         cdmExpandArticle(next_id);
 561                                         cdmScrollToArticleId(next_id);
 562
 563                                 } else {
 564                                         correctHeadlinesOffset(next_id);
 565                                         view(next_id, getActiveFeedId());
 566                                 }
 567                         }
 568                 }
 569
 570                 if (mode == "prev") {
 571                         if (prev_id) {
 572                                 if (isCdmMode()) {
 573                                         cdmExpandArticle(prev_id);
 574                                         cdmScrollToArticleId(prev_id);
 575                                 } else {
 576                                         correctHeadlinesOffset(prev_id);
 577                                         view(prev_id, getActiveFeedId());
 578                                 }
 579                         }
 580                 }
 581
 582         } catch (e) {
 583                 exception_error("moveToPost", e);
 584         }
 585 }
 586
 587 function toggleSelected(id, force_on) {
 588         try {
 589
 590                 var cb = $("RCHK-" + id);
 591                 var row = $("RROW-" + id);
 592
 593                 if (row) {
 594                         if (row.hasClassName('Selected') && !force_on) {
 595                                 row.removeClassName('Selected');
 596                                 if (cb) cb.checked = false;
 597                         } else {
 598                                 row.addClassName('Selected');
 599                                 if (cb) cb.checked = true;
 600                         }
 601                 }
 602         } catch (e) {
 603                 exception_error("toggleSelected", e);
 604         }
 605 }
 606
 607 function toggleUnread_afh(effect) {
 608         try {
 609
 610                 var elem = effect.element;
 611                 elem.style.backgroundColor = "";
 612
 613         } catch (e) {
 614                 exception_error("toggleUnread_afh", e);
 615         }
 616 }
 617
 618 function toggleUnread(id, cmode, effect) {
 619         try {
 620
 621                 var row = $("RROW-" + id);
 622                 if (row) {
 623                         if (cmode == undefined || cmode == 2) {
 624                                 if (row.hasClassName("Unread")) {
 625                                         row.removeClassName("Unread");
 626
 627                                         if (effect) {
 628                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 629                                                         afterFinish: toggleUnread_afh,
 630                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 631                                         }
 632
 633                                 } else {
 634                                         row.addClassName("Unread");
 635                                 }
 636
 637                         } else if (cmode == 0) {
 638
 639                                 row.removeClassName("Unread");
 640
 641                                 if (effect) {
 642                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 643                                                 afterFinish: toggleUnread_afh,
 644                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 645                                 }
 646
 647                         } else if (cmode == 1) {
 648                                 row.addClassName("Unread");
 649                         }
 650
 651                         if (cmode == undefined) cmode = 2;
 652
 653                         var query = "?op=rpc&subop=catchupSelected" +
 654                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 655
 656 //                      notify_progress("Loading, please wait...");
 657
 658                         new Ajax.Request("backend.php", {
 659                                 parameters: query,
 660                                 onComplete: function(transport) {
 661                                         handle_rpc_reply(transport);
 662                                 } });
 663
 664                 }
 665
 666         } catch (e) {
 667                 exception_error("toggleUnread", e);
 668         }
 669 }
 670
 671 function selectionRemoveLabel(id, ids) {
 672         try {
 673
 674                 if (!ids) var ids = getSelectedArticleIds2();
 675
 676                 if (ids.length == 0) {
 677                         alert(__("No articles are selected."));
 678                         return;
 679                 }
 680
 681 //              var ok = confirm(__("Remove selected articles from label?"));
 682
 683 //              if (ok) {
 684
 685                         var query = "?op=rpc&subop=removeFromLabel&ids=" +
 686                                 param_escape(ids.toString()) + "&lid=" + param_escape(id);
 687
 688                         console.log(query);
 689
 690 //                      notify_progress("Loading, please wait...");
 691
 692                         cache_invalidate("F:" + (-11 - id));
 693
 694                         new Ajax.Request("backend.php", {
 695                                 parameters: query,
 696                                 onComplete: function(transport) {
 697                                         show_labels_in_headlines(transport);
 698                                         handle_rpc_reply(transport);
 699                                 } });
 700
 701 //              }
 702
 703         } catch (e) {
 704                 exception_error("selectionAssignLabel", e);
 705
 706         }
 707 }
 708
 709 function selectionAssignLabel(id, ids) {
 710         try {
 711
 712                 if (!ids) ids = getSelectedArticleIds2();
 713
 714                 if (ids.length == 0) {
 715                         alert(__("No articles are selected."));
 716                         return;
 717                 }
 718
 719 //              var ok = confirm(__("Assign selected articles to label?"));
 720
 721 //              if (ok) {
 722
 723                         cache_invalidate("F:" + (-11 - id));
 724
 725                         var query = "?op=rpc&subop=assignToLabel&ids=" +
 726                                 param_escape(ids.toString()) + "&lid=" + param_escape(id);
 727
 728                         console.log(query);
 729
 730 //                      notify_progress("Loading, please wait...");
 731
 732                         new Ajax.Request("backend.php", {
 733                                 parameters: query,
 734                                 onComplete: function(transport) {
 735                                         show_labels_in_headlines(transport);
 736                                         handle_rpc_reply(transport);
 737                                 } });
 738
 739 //              }
 740
 741         } catch (e) {
 742                 exception_error("selectionAssignLabel", e);
 743
 744         }
 745 }
 746
 747 function selectionToggleUnread(set_state, callback_func, no_error) {
 748         try {
 749                 var rows = getSelectedArticleIds2();
 750
 751                 if (rows.length == 0 && !no_error) {
 752                         alert(__("No articles are selected."));
 753                         return;
 754                 }
 755
 756                 for (i = 0; i < rows.length; i++) {
 757                         var row = $("RROW-" + rows[i]);
 758                         if (row) {
 759                                 if (set_state == undefined) {
 760                                         if (row.hasClassName("Unread")) {
 761                                                 row.removeClassName("Unread");
 762                                         } else {
 763                                                 row.addClassName("Unread");
 764                                         }
 765                                 }
 766
 767                                 if (set_state == false) {
 768                                         row.removeClassName("Unread");
 769                                 }
 770
 771                                 if (set_state == true) {
 772                                         row.addClassName("Unread");
 773                                 }
 774                         }
 775                 }
 776
 777                 if (rows.length > 0) {
 778
 779                         var cmode = "";
 780
 781                         if (set_state == undefined) {
 782                                 cmode = "2";
 783                         } else if (set_state == true) {
 784                                 cmode = "1";
 785                         } else if (set_state == false) {
 786                                 cmode = "0";
 787                         }
 788
 789                         var query = "?op=rpc&subop=catchupSelected" +
 790                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 791
 792                         notify_progress("Loading, please wait...");
 793
 794                         new Ajax.Request("backend.php", {
 795                                 parameters: query,
 796                                 onComplete: function(transport) {
 797                                         catchup_callback2(transport, callback_func);
 798                                 } });
 799
 800                 }
 801
 802         } catch (e) {
 803                 exception_error("selectionToggleUnread", e);
 804         }
 805 }
 806
 807 function selectionToggleMarked() {
 808         try {
 809
 810                 var rows = getSelectedArticleIds2();
 811
 812                 if (rows.length == 0) {
 813                         alert(__("No articles are selected."));
 814                         return;
 815                 }
 816
 817                 for (i = 0; i < rows.length; i++) {
 818                         toggleMark(rows[i], true, true);
 819                 }
 820
 821                 if (rows.length > 0) {
 822
 823                         var query = "?op=rpc&subop=markSelected&ids=" +
 824                                 param_escape(rows.toString()) + "&cmode=2";
 825
 826                         new Ajax.Request("backend.php", {
 827                                 parameters: query,
 828                                 onComplete: function(transport) {
 829                                         handle_rpc_reply(transport);
 830                                 } });
 831
 832                 }
 833
 834         } catch (e) {
 835                 exception_error("selectionToggleMarked", e);
 836         }
 837 }
 838
 839 function selectionTogglePublished() {
 840         try {
 841
 842                 var rows = getSelectedArticleIds2();
 843
 844                 if (rows.length == 0) {
 845                         alert(__("No articles are selected."));
 846                         return;
 847                 }
 848
 849                 for (i = 0; i < rows.length; i++) {
 850                         togglePub(rows[i], true, true);
 851                 }
 852
 853                 if (rows.length > 0) {
 854
 855                         var query = "?op=rpc&subop=publishSelected&ids=" +
 856                                 param_escape(rows.toString()) + "&cmode=2";
 857
 858                         new Ajax.Request("backend.php", {
 859                                 parameters: query,
 860                                 onComplete: function(transport) {
 861                                         handle_rpc_reply(transport);
 862                                 } });
 863
 864                 }
 865
 866         } catch (e) {
 867                 exception_error("selectionToggleMarked", e);
 868         }
 869 }
 870
 871 function getSelectedArticleIds2() {
 872
 873         var rv = [];
 874
 875         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 876                 function(child) {
 877                         rv.push(child.id.replace("RROW-", ""));
 878                 });
 879
 880         return rv;
 881 }
 882
 883 function getLoadedArticleIds() {
 884         var rv = [];
 885
 886         var children = $$("#headlines-frame > div[id*=RROW-]");
 887
 888         children.each(function(child) {
 889                         rv.push(child.id.replace("RROW-", ""));
 890                 });
 891
 892         return rv;
 893
 894 }
 895
 896 // mode = all,none,unread,invert
 897 function selectArticles(mode) {
 898         try {
 899
 900                 var children = $$("#headlines-frame > div[id*=RROW]");
 901
 902                 children.each(function(child) {
 903                         var id = child.id.replace("RROW-", "");
 904                         var cb = $("RCHK-" + id);
 905
 906                         if (mode == "all") {
 907                                 child.addClassName("Selected");
 908                                 cb.checked = true;
 909                         } else if (mode == "unread") {
 910                                 if (child.hasClassName("Unread")) {
 911                                         child.addClassName("Selected");
 912                                         cb.checked = true;
 913                                 } else {
 914                                         child.removeClassName("Selected");
 915                                         cb.checked = false;
 916                                 }
 917                         } else if (mode == "invert") {
 918                                 if (child.hasClassName("Selected")) {
 919                                         child.removeClassName("Selected");
 920                                         cb.checked = false;
 921                                 } else {
 922                                         child.addClassName("Selected");
 923                                         cb.checked = true;
 924                                 }
 925
 926                         } else {
 927                                 child.removeClassName("Selected");
 928                                 cb.checked = false;
 929                         }
 930                 });
 931
 932         } catch (e) {
 933                 exception_error("selectArticles", e);
 934         }
 935 }
 936
 937 function catchupPage() {
 938
 939         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 940
 941         var str = __("Mark all visible articles in %s as read?");
 942
 943         str = str.replace("%s", fn);
 944
 945         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 946                 return;
 947         }
 948
 949         selectArticles('all');
 950         selectionToggleUnread(false, 'viewCurrentFeed()', true)
 951         selectArticles('none');
 952 }
 953
 954 function deleteSelection() {
 955
 956         try {
 957
 958                 var rows = getSelectedArticleIds2();
 959
 960                 if (rows.length == 0) {
 961                         alert(__("No articles are selected."));
 962                         return;
 963                 }
 964
 965                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 966                 var str;
 967                 var op;
 968
 969                 if (getActiveFeedId() != 0) {
 970                         str = __("Delete %d selected articles in %s?");
 971                 } else {
 972                         str = __("Delete %d selected articles?");
 973                 }
 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                 query = "?op=rpc&subop=delete&ids=" + param_escape(rows);
 983
 984                 console.log(query);
 985
 986                 new Ajax.Request("backend.php", {
 987                         parameters: query,
 988                         onComplete: function(transport) {
 989                                         viewCurrentFeed();
 990                                 } });
 991
 992         } catch (e) {
 993                 exception_error("deleteSelection", e);
 994         }
 995 }
 996
 997 function archiveSelection() {
 998
 999         try {
1000
1001                 var rows = getSelectedArticleIds2();
1002
1003                 if (rows.length == 0) {
1004                         alert(__("No articles are selected."));
1005                         return;
1006                 }
1007
1008                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1009                 var str;
1010                 var op;
1011
1012                 if (getActiveFeedId() != 0) {
1013                         str = __("Archive %d selected articles in %s?");
1014                         op = "archive";
1015                 } else {
1016                         str = __("Move %d archived articles back?");
1017                         op = "unarchive";
1018                 }
1019
1020                 str = str.replace("%d", rows.length);
1021                 str = str.replace("%s", fn);
1022
1023                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1024                         return;
1025                 }
1026
1027                 query = "?op=rpc&subop="+op+"&ids=" + param_escape(rows);
1028
1029                 console.log(query);
1030
1031                 for (var i = 0; i < rows.length; i++) {
1032                         cache_invalidate(rows[i]);
1033                 }
1034
1035                 new Ajax.Request("backend.php", {
1036                         parameters: query,
1037                         onComplete: function(transport) {
1038                                         viewCurrentFeed();
1039                                 } });
1040
1041         } catch (e) {
1042                 exception_error("archiveSelection", e);
1043         }
1044 }
1045
1046 function catchupSelection() {
1047
1048         try {
1049
1050                 var rows = getSelectedArticleIds2();
1051
1052                 if (rows.length == 0) {
1053                         alert(__("No articles are selected."));
1054                         return;
1055                 }
1056
1057                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1058
1059                 var str = __("Mark %d selected articles in %s as read?");
1060
1061                 str = str.replace("%d", rows.length);
1062                 str = str.replace("%s", fn);
1063
1064                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1065                         return;
1066                 }
1067
1068                 selectionToggleUnread(false, 'viewCurrentFeed()', true)
1069
1070         } catch (e) {
1071                 exception_error("catchupSelection", e);
1072         }
1073 }
1074
1075 function editArticleTags(id, feed_id, cdm_enabled) {
1076         displayDlg('editArticleTags', id,
1077                            function () {
1078                                         $("tags_str").focus();
1079
1080                                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1081                                            "backend.php?op=rpc&subop=completeTags",
1082                                            { tokens: ',', paramName: "search" });
1083                            });
1084 }
1085
1086 function editTagsSave() {
1087
1088         notify_progress("Saving article tags...");
1089
1090         var form = document.forms["tag_edit_form"];
1091
1092         var query = Form.serialize("tag_edit_form");
1093
1094         query = "?op=rpc&subop=setArticleTags&" + query;
1095
1096         console.log(query);
1097
1098         new Ajax.Request("backend.php", {
1099                 parameters: query,
1100                 onComplete: function(transport) {
1101                                 try {
1102                                         //console.log("tags saved...");
1103
1104                                         closeInfoBox();
1105                                         notify("");
1106
1107                                         if (transport.responseXML) {
1108                                                 var tags_str = transport.responseXML.getElementsByTagName("tags-str")[0];
1109
1110                                                 if (tags_str) {
1111                                                         var id = tags_str.getAttribute("id");
1112
1113                                                         if (id) {
1114                                                                 var tags = $("ATSTR-" + id);
1115                                                                 if (tags) {
1116                                                                         tags.innerHTML = tags_str.firstChild.nodeValue;
1117                                                                 }
1118
1119                                                                 cache_invalidate(id);
1120                                                         }
1121                                                 }
1122                                         }
1123
1124                                 } catch (e) {
1125                                         exception_error("editTagsSave", e);
1126                                 }
1127                         } });
1128 }
1129
1130 function editTagsInsert() {
1131         try {
1132
1133                 var form = document.forms["tag_edit_form"];
1134
1135                 var found_tags = form.found_tags;
1136                 var tags_str = form.tags_str;
1137
1138                 var tag = found_tags[found_tags.selectedIndex].value;
1139
1140                 if (tags_str.value.length > 0 &&
1141                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1142
1143                         tags_str.value = tags_str.value + ", ";
1144                 }
1145
1146                 tags_str.value = tags_str.value + tag + ", ";
1147
1148                 found_tags.selectedIndex = 0;
1149
1150         } catch (e) {
1151                 exception_error("editTagsInsert", e);
1152         }
1153 }
1154
1155 function cdmScrollToArticleId(id) {
1156         try {
1157                 var ctr = $("headlines-frame");
1158                 var e = $("RROW-" + id);
1159
1160                 if (!e || !ctr) return;
1161
1162                 ctr.scrollTop = e.offsetTop;
1163
1164         } catch (e) {
1165                 exception_error("cdmScrollToArticleId", e);
1166         }
1167 }
1168
1169 function cdmWatchdog() {
1170
1171         try {
1172
1173                 var ctr = $("headlines-frame");
1174
1175                 if (!ctr) return;
1176
1177                 var ids = new Array();
1178
1179                 var e = ctr.firstChild;
1180
1181                 while (e) {
1182                         if (e.className && e.hasClassName("Unread") && e.id &&
1183                                         e.id.match("RROW-")) {
1184
1185                                 // article fits in viewport OR article is longer than viewport and
1186                                 // its bottom is visible
1187
1188                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1189                                                 ctr.scrollTop + ctr.offsetHeight) {
1190
1191 //                                      console.log(e.id + " is visible " + e.offsetTop + "." +
1192 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1193 //                                              (ctr.scrollTop + ctr.offsetHeight));
1194
1195                                         ids.push(e.id.replace("RROW-", ""));
1196
1197                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1198                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1199                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1200
1201                                         ids.push(e.id.replace("RROW-", ""));
1202
1203                                 }
1204
1205                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1206
1207 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1208                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1209
1210                                         ids.push(e.id.replace("RROW-", ""));
1211
1212                                 } */
1213
1214                         }
1215
1216                         e = e.nextSibling;
1217                 }
1218
1219                 console.log("cdmWatchdog, ids= " + ids.toString());
1220
1221                 if (ids.length > 0) {
1222
1223                         for (var i = 0; i < ids.length; i++) {
1224                                 var e = $("RROW-" + ids[i]);
1225                                 if (e) {
1226                                         e.removeClassName("Unread");
1227                                 }
1228                         }
1229
1230                         var query = "?op=rpc&subop=catchupSelected" +
1231                                 "&cmode=0" + "&ids=" + param_escape(ids.toString());
1232
1233                         new Ajax.Request("backend.php", {
1234                                 parameters: query,
1235                                 onComplete: function(transport) {
1236                                         handle_rpc_reply(transport);
1237                                 } });
1238
1239                 }
1240
1241                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1242
1243         } catch (e) {
1244                 exception_error("cdmWatchdog", e);
1245         }
1246
1247 }
1248
1249
1250 function cache_inject(id, article, param) {
1251
1252         try {
1253                 if (!cache_check_param(id, param)) {
1254                         //console.log("cache_article: miss: " + id + " [p=" + param + "]");
1255
1256                    var date = new Date();
1257               var ts = Math.round(date.getTime() / 1000);
1258
1259                         var cache_obj = {};
1260
1261                         cache_obj["id"] = id;
1262                         cache_obj["data"] = article;
1263                         cache_obj["param"] = param;
1264
1265                         if (param) id = id + ":" + param;
1266
1267                         cache_added["TS:" + id] = ts;
1268
1269                         if (has_local_storage())
1270                                 sessionStorage.setItem(id, JSON.stringify(cache_obj));
1271                         else
1272                                 article_cache.push(cache_obj);
1273
1274                 } else {
1275                         //console.log("cache_article: hit: " + id + " [p=" + param + "]");
1276                 }
1277         } catch (e) {
1278                 exception_error("cache_inject", e);
1279         }
1280 }
1281
1282 function cache_find(id) {
1283
1284         if (has_local_storage()) {
1285                 var cache_obj = sessionStorage.getItem(id);
1286
1287                 if (cache_obj) {
1288                         cache_obj = JSON.parse(cache_obj);
1289
1290                         if (cache_obj)
1291                                 return cache_obj['data'];
1292                 }
1293
1294         } else {
1295                 for (var i = 0; i < article_cache.length; i++) {
1296                         if (article_cache[i]["id"] == id) {
1297                                 return article_cache[i]["data"];
1298                         }
1299                 }
1300         }
1301         return false;
1302 }
1303
1304 function cache_find_param(id, param) {
1305
1306         if (has_local_storage()) {
1307
1308                 if (param) id = id + ":" + param;
1309
1310                 var cache_obj = sessionStorage.getItem(id);
1311
1312                 if (cache_obj) {
1313                         cache_obj = JSON.parse(cache_obj);
1314
1315                         if (cache_obj)
1316                                 return cache_obj['data'];
1317                 }
1318
1319         } else {
1320                 for (var i = 0; i < article_cache.length; i++) {
1321                         if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1322                                 return article_cache[i]["data"];
1323                         }
1324                 }
1325         }
1326
1327         return false;
1328 }
1329
1330 function cache_check(id) {
1331         if (has_local_storage()) {
1332                 if (sessionStorage.getItem(id))
1333                         return true;
1334         } else {
1335                 for (var i = 0; i < article_cache.length; i++) {
1336                         if (article_cache[i]["id"] == id) {
1337                                 return true;
1338                         }
1339                 }
1340         }
1341         return false;
1342 }
1343
1344 function cache_check_param(id, param) {
1345         if (has_local_storage()) {
1346
1347                 if (param) id = id + ":" + param;
1348
1349                 if (sessionStorage.getItem(id))
1350                         return true;
1351
1352         } else {
1353                 for (var i = 0; i < article_cache.length; i++) {
1354                         if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1355                                 return true;
1356                         }
1357                 }
1358         }
1359         return false;
1360 }
1361
1362 function cache_expire() {
1363 if (has_local_storage()) {
1364
1365                 var date = new Date();
1366                 var timestamp = Math.round(date.getTime() / 1000);
1367
1368                 for (var i = 0; i < sessionStorage.length; i++) {
1369
1370                         var id = sessionStorage.key(i);
1371
1372                         if (timestamp - cache_added["TS:" + id] > 180) {
1373                                 sessionStorage.removeItem(id);
1374                         }
1375                 }
1376
1377         } else {
1378                 while (article_cache.length > 25) {
1379                         article_cache.shift();
1380                 }
1381         }
1382 }
1383
1384 function cache_flush() {
1385         if (has_local_storage()) {
1386                 sessionStorage.clear();
1387         } else {
1388                 article_cache = new Array();
1389         }
1390 }
1391
1392 function cache_invalidate(id) {
1393         try {
1394                 if (has_local_storage()) {
1395
1396                         var found = false;
1397
1398                         for (var i = 0; i < sessionStorage.length; i++) {
1399                                 var key = sessionStorage.key(i);
1400
1401 //                                      console.warn("cache_invalidate: " + key_id + " cmp " + id);
1402
1403                                 if (key == id || key.indexOf(id + ":") == 0) {
1404                                         sessionStorage.removeItem(key);
1405                                         found = true;
1406                                         break;
1407                                 }
1408                         }
1409
1410                         return found;
1411
1412                 } else {
1413                         var i = 0
1414
1415                         while (i < article_cache.length) {
1416                                 if (article_cache[i]["id"] == id) {
1417                                         //console.log("cache_invalidate: removed id " + id);
1418                                         article_cache.splice(i, 1);
1419                                         return true;
1420                                 }
1421                                 i++;
1422                         }
1423                 }
1424
1425                 //console.log("cache_invalidate: id not found: " + id);
1426                 return false;
1427         } catch (e) {
1428                 exception_error("cache_invalidate", e);
1429         }
1430 }
1431
1432 function getActiveArticleId() {
1433         return active_post_id;
1434 }
1435
1436 function preloadBatchedArticles() {
1437         try {
1438
1439                 var query = "?op=rpc&subop=getArticles&ids=" +
1440                         preload_id_batch.toString();
1441
1442                 new Ajax.Request("backend.php", {
1443                         parameters: query,
1444                         onComplete: function(transport) {
1445
1446                                 preload_id_batch = [];
1447
1448                                 var articles = transport.responseXML.getElementsByTagName("article");
1449
1450                                 for (var i = 0; i < articles.length; i++) {
1451                                         var id = articles[i].getAttribute("id");
1452                                         if (!cache_check(id)) {
1453                                                 cache_inject(id, articles[i].firstChild.nodeValue);
1454                                                 console.log("preloaded article: " + id);
1455                                         }
1456                                 }
1457                 } });
1458
1459         } catch (e) {
1460                 exception_error("preloadBatchedArticles", e);
1461         }
1462 }
1463
1464 function preloadArticleUnderPointer(id) {
1465         try {
1466                 if (getInitParam("bw_limit") == "1") return;
1467
1468                 if (post_under_pointer == id && !cache_check(id)) {
1469
1470                         console.log("trying to preload article " + id);
1471
1472                         var neighbor_ids = getRelativePostIds(id, 1);
1473
1474                         /* only request uncached articles */
1475
1476                         if (preload_id_batch.indexOf(id) == -1) {
1477                                 for (var i = 0; i < neighbor_ids.length; i++) {
1478                                         if (!cache_check(neighbor_ids[i])) {
1479                                                 preload_id_batch.push(neighbor_ids[i]);
1480                                         }
1481                                 }
1482                         }
1483
1484                         if (preload_id_batch.indexOf(id) == -1)
1485                                 preload_id_batch.push(id);
1486
1487                         //console.log("preload ids batch: " + preload_id_batch.toString());
1488
1489                         window.clearTimeout(preload_timeout_id);
1490                         preload_batch_timeout_id = window.setTimeout('preloadBatchedArticles()', 1000);
1491
1492                 }
1493         } catch (e) {
1494                 exception_error("preloadArticleUnderPointer", e);
1495         }
1496 }
1497
1498 function postMouseIn(id) {
1499         try {
1500                 if (post_under_pointer != id) {
1501                         post_under_pointer = id;
1502                         if (!isCdmMode()) {
1503                                 window.setTimeout("preloadArticleUnderPointer(" + id + ")", 250);
1504                         }
1505                 }
1506
1507         } catch (e) {
1508                 exception_error("postMouseIn", e);
1509         }
1510 }
1511
1512 function postMouseOut(id) {
1513         try {
1514                 post_under_pointer = false;
1515         } catch (e) {
1516                 exception_error("postMouseOut", e);
1517         }
1518 }
1519
1520 function headlines_scroll_handler(e) {
1521         try {
1522
1523                 if (e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
1524                         if (!_infscroll_disable) {
1525                                 viewNextFeedPage();
1526                         }
1527                 }
1528
1529         } catch (e) {
1530                 exception_error("headlines_scroll_handler", e);
1531         }
1532 }
1533
1534 function catchupRelativeToArticle(below) {
1535
1536         try {
1537
1538
1539                 if (!getActiveArticleId()) {
1540                         alert(__("No article is selected."));
1541                         return;
1542                 }
1543
1544                 var visible_ids = getVisibleArticleIds();
1545
1546                 var ids_to_mark = new Array();
1547
1548                 if (!below) {
1549                         for (var i = 0; i < visible_ids.length; i++) {
1550                                 if (visible_ids[i] != getActiveArticleId()) {
1551                                         var e = $("RROW-" + visible_ids[i]);
1552
1553                                         if (e && e.hasClassName("Unread")) {
1554                                                 ids_to_mark.push(visible_ids[i]);
1555                                         }
1556                                 } else {
1557                                         break;
1558                                 }
1559                         }
1560                 } else {
1561                         for (var i = visible_ids.length-1; i >= 0; i--) {
1562                                 if (visible_ids[i] != getActiveArticleId()) {
1563                                         var e = $("RROW-" + visible_ids[i]);
1564
1565                                         if (e && e.hasClassName("Unread")) {
1566                                                 ids_to_mark.push(visible_ids[i]);
1567                                         }
1568                                 } else {
1569                                         break;
1570                                 }
1571                         }
1572                 }
1573
1574                 if (ids_to_mark.length == 0) {
1575                         alert(__("No articles found to mark"));
1576                 } else {
1577                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1578
1579                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1580
1581                                 for (var i = 0; i < ids_to_mark.length; i++) {
1582                                         var e = $("RROW-" + ids_to_mark[i]);
1583                                         e.removeClassName("Unread");
1584                                 }
1585
1586                                 var query = "?op=rpc&subop=catchupSelected" +
1587                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1588
1589                                 new Ajax.Request("backend.php", {
1590                                         parameters: query,
1591                                         onComplete: function(transport) {
1592                                                 catchup_callback2(transport);
1593                                         } });
1594
1595                         }
1596                 }
1597
1598         } catch (e) {
1599                 exception_error("catchupRelativeToArticle", e);
1600         }
1601 }
1602
1603 function cdmExpandArticle(id) {
1604         try {
1605
1606                 hideAuxDlg();
1607
1608                 var elem = $("CICD-" + active_post_id);
1609
1610                 var upd_img_pic = $("FUPDPIC-" + id);
1611
1612                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1613                                 upd_img_pic.src.match("fresh_sign.png"))) {
1614
1615                         upd_img_pic.src = "images/blank_icon.gif";
1616                 }
1617
1618                 if (id == active_post_id && Element.visible(elem))
1619                         return true;
1620
1621                 selectArticles("none");
1622
1623                 var old_offset = $("RROW-" + id).offsetTop;
1624
1625                 if (active_post_id && elem && !getInitParam("cdm_expanded")) {
1626                         Element.hide(elem);
1627                         Element.show("CEXC-" + active_post_id);
1628                 }
1629
1630                 active_post_id = id;
1631
1632                 elem = $("CICD-" + id);
1633
1634                 if (!Element.visible(elem)) {
1635                         Element.show(elem);
1636                         Element.hide("CEXC-" + id);
1637
1638                         if ($("CWRAP-" + id).innerHTML == "") {
1639
1640                                 $("FUPDPIC-" + id).src = "images/indicator_tiny.gif";
1641
1642                                 $("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" +
1643                                         __("Loading, please wait...") + "</div>";
1644
1645                                 var query = "?op=rpc&subop=cdmGetArticle&id=" + param_escape(id);
1646
1647                                 //console.log(query);
1648
1649                                 new Ajax.Request("backend.php", {
1650                                         parameters: query,
1651                                         onComplete: function(transport) {
1652                                                 $("FUPDPIC-" + id).src = 'images/blank_icon.gif';
1653
1654                                                 if (transport.responseXML) {
1655                                                         var article = transport.responseXML.getElementsByTagName("article")[0];
1656                                                         var recv_id = article.getAttribute("id");
1657
1658                                                         if (recv_id == id)
1659                                                                 $("CWRAP-" + id).innerHTML = article.firstChild.nodeValue;
1660
1661                                                 } else {
1662                                                         $("CWRAP-" + id).innerHTML = __("Unable to load article.");
1663
1664                                                 }
1665                                 }});
1666
1667                         }
1668                 }
1669
1670                 var new_offset = $("RROW-" + id).offsetTop;
1671
1672                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1673
1674                 if ($("RROW-" + id).offsetTop != old_offset)
1675                         $("headlines-frame").scrollTop = new_offset;
1676
1677                 toggleUnread(id, 0, true);
1678                 toggleSelected(id);
1679
1680         } catch (e) {
1681                 exception_error("cdmExpandArticle", e);
1682         }
1683
1684         return false;
1685 }
1686
1687 function fixHeadlinesOrder(ids) {
1688         try {
1689                 for (var i = 0; i < ids.length; i++) {
1690                         var e = $("RROW-" + ids[i]);
1691
1692                         if (e) {
1693                                 if (i % 2 == 0) {
1694                                         e.removeClassName("even");
1695                                         e.addClassName("odd");
1696                                 } else {
1697                                         e.removeClassName("odd");
1698                                         e.addClassName("even");
1699                                 }
1700                         }
1701                 }
1702         } catch (e) {
1703                 exception_error("fixHeadlinesOrder", e);
1704         }
1705 }
1706
1707 function getArticleUnderPointer() {
1708         return post_under_pointer;
1709 }
1710
1711 function zoomToArticle(event, id) {
1712         try {
1713                 var cached_article = cache_find(id);
1714
1715                 if (dijit.byId("ATAB-" + id))
1716                         if (!event || !event.shiftKey)
1717                                 return dijit.byId("content-tabs").selectChild(dijit.byId("ATAB-" + id));
1718
1719                 if (cached_article) {
1720                         //closeArticlePanel();
1721
1722                         var article_pane = new dijit.layout.ContentPane({
1723                                 title: __("Loading...") , content: cached_article,
1724                                 style: 'padding : 0px;',
1725                                 id: 'ATAB-' + id,
1726                                 closable: true });
1727
1728                         dijit.byId("content-tabs").addChild(article_pane);
1729
1730                         if (!event || !event.shiftKey)
1731                                 dijit.byId("content-tabs").selectChild(article_pane);
1732
1733                         if ($("PTITLE-" + id))
1734                                 article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1735
1736                 } else {
1737
1738                         var query = "?op=rpc&subop=getArticles&ids=" + param_escape(id);
1739
1740                         notify_progress("Loading, please wait...", true);
1741
1742                         new Ajax.Request("backend.php", {
1743                                 parameters: query,
1744                                 onComplete: function(transport) {
1745                                         notify('');
1746
1747                                         if (transport.responseXML) {
1748                                                 //closeArticlePanel();
1749
1750                                                 var article = transport.responseXML.getElementsByTagName("article")[0];
1751                                                 var content = article.firstChild.nodeValue;
1752
1753                                                 var article_pane = new dijit.layout.ContentPane({
1754                                                         title: "article-" + id , content: content,
1755                                                         style: 'padding : 0px;',
1756                                                         id: 'ATAB-' + id,
1757                                                         closable: true });
1758
1759                                                 dijit.byId("content-tabs").addChild(article_pane);
1760
1761                                                 if (!event || !event.shiftKey)
1762                                                         dijit.byId("content-tabs").selectChild(article_pane);
1763
1764                                                 if ($("PTITLE-" + id))
1765                                                         article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1766                                         }
1767
1768                                 } });
1769                         }
1770
1771         } catch (e) {
1772                 exception_error("zoomToArticle", e);
1773         }
1774 }
1775
1776 function scrollArticle(offset) {
1777         try {
1778                 if (!isCdmMode()) {
1779                         var ci = $("content-insert");
1780                         if (ci) {
1781                                 ci.scrollTop += offset;
1782                         }
1783                 } else {
1784                         var hi = $("headlines-frame");
1785                         if (hi) {
1786                                 hi.scrollTop += offset;
1787                         }
1788
1789                 }
1790         } catch (e) {
1791                 exception_error("scrollArticle", e);
1792         }
1793 }
1794
1795 function show_labels_in_headlines(transport) {
1796         try {
1797                 if (transport.responseXML) {
1798                         var info = transport.responseXML.getElementsByTagName("info-for-headlines")[0];
1799
1800                         var elems = info.getElementsByTagName("entry");
1801
1802                         for (var l = 0; l < elems.length; l++) {
1803                                 var e_id = elems[l].getAttribute("id");
1804
1805                                 if (e_id) {
1806
1807                                         var ctr = $("HLLCTR-" + e_id);
1808
1809                                         if (ctr) {
1810                                                 ctr.innerHTML = elems[l].firstChild.nodeValue;
1811                                         }
1812                                 }
1813
1814                         }
1815
1816                 }
1817         } catch (e) {
1818                 exception_error("show_labels_in_headlines", e);
1819
1820         }
1821 }
1822
1823 function toggleHeadlineActions() {
1824         try {
1825                 var e = $("headlineActionsBody");
1826                 var p = $("headlineActionsDrop");
1827
1828                 if (!Element.visible(e)) {
1829                         Element.show(e);
1830                 } else {
1831                         Element.hide(e);
1832                 }
1833
1834                 e.scrollTop = 0;
1835                 e.style.left = (p.offsetLeft + 1) + "px";
1836                 e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
1837
1838         } catch (e) {
1839                 exception_error("toggleHeadlineActions", e);
1840         }
1841 }
1842
1843 function publishWithNote(id, def_note) {
1844         try {
1845                 if (!def_note) def_note = '';
1846
1847                 var note = prompt(__("Please enter a note for this article:"), def_note);
1848
1849                 if (note != undefined) {
1850                         togglePub(id, false, false, note);
1851                 }
1852
1853         } catch (e) {
1854                 exception_error("publishWithNote", e);
1855         }
1856 }
1857
1858 function emailArticle(id) {
1859         try {
1860                 if (!id) {
1861                         var ids = getSelectedArticleIds2();
1862
1863                         if (ids.length == 0) {
1864                                 alert(__("No articles are selected."));
1865                                 return;
1866                         }
1867
1868                         id = ids.toString();
1869                 }
1870
1871                 if (dijit.byId("emailArticleDlg"))
1872                         dijit.byId("emailArticleDlg").destroyRecursive();
1873
1874                 var query = "backend.php?op=dlg&id=emailArticle&param=" + param_escape(id);
1875
1876                 dialog = new dijit.Dialog({
1877                         id: "emailArticleDlg",
1878                         title: __("Forward article by email"),
1879                         style: "width: 600px",
1880                         execute: function() {
1881                                 if (this.validate()) {
1882
1883                                         new Ajax.Request("backend.php", {
1884                                                 parameters: dojo.objectToQuery(this.attr('value')),
1885                                                 onComplete: function(transport) {
1886
1887                                                         var error = transport.responseXML.getElementsByTagName('error')[0];
1888
1889                                                         if (error) {
1890                                                                 alert(__('Error sending email:') + ' ' + error.firstChild.nodeValue);
1891                                                         } else {
1892                                                                 notify_info('Your message has been sent.');
1893                                                                 dialog.hide();
1894                                                         }
1895
1896                                         } });
1897                                 }
1898                         },
1899                         href: query});
1900
1901                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1902                 dojo.disconnect(tmph);
1903
1904                    new Ajax.Autocompleter('emailArticleDlg_destination', 'emailArticleDlg_dst_choices',
1905                            "backend.php?op=rpc&subop=completeEmails",
1906                            { tokens: '', paramName: "search" });
1907                 });
1908
1909                 dialog.show();
1910
1911                 /* displayDlg('emailArticle', id,
1912                    function () {
1913                                 document.forms['article_email_form'].destination.focus();
1914
1915                            new Ajax.Autocompleter('destination', 'destination_choices',
1916                                    "backend.php?op=rpc&subop=completeEmails",
1917                                    { tokens: '', paramName: "search" });
1918
1919                         }); */
1920
1921         } catch (e) {
1922                 exception_error("emailArticle", e);
1923         }
1924 }
1925
1926 function dismissArticle(id) {
1927         try {
1928                 var elem = $("RROW-" + id);
1929
1930                 toggleUnread(id, 0, true);
1931
1932                 new Effect.Fade(elem, {duration : 0.5});
1933
1934                 active_post_id = false;
1935
1936         } catch (e) {
1937                 exception_error("dismissArticle", e);
1938         }
1939 }
1940
1941 function dismissSelectedArticles() {
1942         try {
1943
1944                 var ids = getVisibleArticleIds();
1945                 var tmp = [];
1946                 var sel = [];
1947
1948                 for (var i = 0; i < ids.length; i++) {
1949                         var elem = $("RROW-" + ids[i]);
1950
1951                         if (elem.className && elem.hasClassName("Selected") &&
1952                                         ids[i] != active_post_id) {
1953                                 new Effect.Fade(elem, {duration : 0.5});
1954                                 sel.push(ids[i]);
1955                         } else {
1956                                 tmp.push(ids[i]);
1957                         }
1958                 }
1959
1960                 if (sel.length > 0)
1961                         selectionToggleUnread(false);
1962
1963                 fixHeadlinesOrder(tmp);
1964
1965         } catch (e) {
1966                 exception_error("dismissSelectedArticles", e);
1967         }
1968 }
1969
1970 function dismissReadArticles() {
1971         try {
1972
1973                 var ids = getVisibleArticleIds();
1974                 var tmp = [];
1975
1976                 for (var i = 0; i < ids.length; i++) {
1977                         var elem = $("RROW-" + ids[i]);
1978
1979                         if (elem.className && !elem.hasClassName("Unread") &&
1980                                         !elem.hasClassName("Selected")) {
1981
1982                                 new Effect.Fade(elem, {duration : 0.5});
1983                         } else {
1984                                 tmp.push(ids[i]);
1985                         }
1986                 }
1987
1988                 fixHeadlinesOrder(tmp);
1989
1990         } catch (e) {
1991                 exception_error("dismissSelectedArticles", e);
1992         }
1993 }
1994
1995 function getVisibleArticleIds() {
1996         var ids = [];
1997
1998         try {
1999
2000                 getLoadedArticleIds().each(function(id) {
2001                         var elem = $("RROW-" + id);
2002                         if (elem && Element.visible(elem))
2003                                 ids.push(id);
2004                         });
2005
2006         } catch (e) {
2007                 exception_error("getVisibleArticleIds", e);
2008         }
2009
2010         return ids;
2011 }
2012
2013 function cdmClicked(event, id) {
2014         try {
2015                 var shift_key = event.shiftKey;
2016
2017                 hideAuxDlg();
2018
2019                 if (!event.ctrlKey) {
2020
2021                         if (!getInitParam("cdm_expanded")) {
2022                                 return cdmExpandArticle(id);
2023                         } else {
2024
2025                                 selectArticles("none");
2026                                 toggleSelected(id);
2027
2028                                 var elem = $("RROW-" + id);
2029
2030                                 if (elem)
2031                                         elem.removeClassName("Unread");
2032
2033                                 var upd_img_pic = $("FUPDPIC-" + id);
2034
2035                                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
2036                                                 upd_img_pic.src.match("fresh_sign.png"))) {
2037
2038                                         upd_img_pic.src = "images/blank_icon.gif";
2039                                 }
2040
2041                                 active_post_id = id;
2042
2043                                 var query = "?op=rpc&subop=catchupSelected" +
2044                                         "&cmode=0&ids=" + param_escape(id);
2045
2046                                 new Ajax.Request("backend.php", {
2047                                         parameters: query,
2048                                         onComplete: function(transport) {
2049                                                 handle_rpc_reply(transport);
2050                                         } });
2051                         }
2052
2053                 } else {
2054                         toggleSelected(id, true);
2055                         toggleUnread(id, 0, false);
2056                         zoomToArticle(event, id);
2057                 }
2058
2059         } catch (e) {
2060                 exception_error("cdmClicked");
2061         }
2062
2063         return false;
2064 }
2065
2066 function postClicked(event, id) {
2067         try {
2068
2069                 if (!event.ctrlKey) {
2070                         return true;
2071                 } else {
2072                         postOpenInNewTab(event, id);
2073                         return false;
2074                 }
2075
2076         } catch (e) {
2077                 exception_error("postClicked");
2078         }
2079 }
2080
2081 function hlOpenInNewTab(event, id) {
2082         toggleUnread(id, 0, false);
2083         zoomToArticle(event, id);
2084 }
2085
2086 function postOpenInNewTab(event, id) {
2087         closeArticlePanel(id);
2088         zoomToArticle(event, id);
2089 }
2090
2091 function hlClicked(event, id) {
2092         try {
2093                 if (event.altKey) {
2094                         openArticleInNewWindow(id);
2095                 } else if (!event.ctrlKey) {
2096                         view(id);
2097                         return true;
2098                 } else {
2099                         toggleSelected(id);
2100                         toggleUnread(id, 0, false);
2101                         zoomToArticle(event, id);
2102                         return false;
2103                 }
2104
2105         } catch (e) {
2106                 exception_error("hlClicked");
2107         }
2108 }
2109
2110 function getFirstVisibleHeadlineId() {
2111         var rows = getVisibleArticleIds();
2112         return rows[0];
2113
2114 }
2115
2116 function getLastVisibleHeadlineId() {
2117         var rows = getVisibleArticleIds();
2118         return rows[rows.length-1];
2119 }
2120
2121 function openArticleInNewWindow(id) {
2122         toggleUnread(id, 0, false);
2123         window.open("backend.php?op=la&id=" + id);
2124 }
2125
2126 function isCdmMode() {
2127         return getInitParam("combined_display_mode");
2128 }
2129
2130 function markHeadline(id) {
2131         var row = $("RROW-" + id);
2132         if (row) {
2133                 var check = $("RCHK-" + id);
2134
2135                 if (check) {
2136                         check.checked = true;
2137                 }
2138
2139                 row.addClassName("Selected");
2140         }
2141 }
2142
2143 function getRelativePostIds(id, limit) {
2144
2145         var tmp = [];
2146
2147         try {
2148
2149                 if (!limit) limit = 3;
2150
2151                 var ids = getVisibleArticleIds();
2152
2153                 for (var i = 0; i < ids.length; i++) {
2154                         if (ids[i] == id) {
2155                                 for (var k = 1; k <= limit; k++) {
2156                                         if (i > k-1) tmp.push(ids[i-k]);
2157                                         if (i < ids.length-k) tmp.push(ids[i+k]);
2158                                 }
2159                                 break;
2160                         }
2161                 }
2162
2163         } catch (e) {
2164                 exception_error("getRelativePostIds", e);
2165         }
2166
2167         return tmp;
2168 }
2169
2170 function correctHeadlinesOffset(id) {
2171
2172         try {
2173
2174                 var container = $("headlines-frame");
2175                 var row = $("RROW-" + id);
2176
2177                 var viewport = container.offsetHeight;
2178
2179                 var rel_offset_top = row.offsetTop - container.scrollTop;
2180                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
2181
2182                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
2183                 //console.log("Vport: " + viewport);
2184
2185                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
2186                         container.scrollTop = row.offsetTop;
2187                 } else if (rel_offset_bottom > viewport) {
2188
2189                         /* doesn't properly work with Opera in some cases because
2190                                 Opera fucks up element scrolling */
2191
2192                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
2193                 }
2194
2195         } catch (e) {
2196                 exception_error("correctHeadlinesOffset", e);
2197         }
2198
2199 }
2200
2201 function headlineActionsChange(elem) {
2202         try {
2203                 eval(elem.value);
2204                 elem.attr('value', 'false');
2205         } catch (e) {
2206                 exception_error("headlineActionsChange", e);
2207         }
2208 }
2209
2210 function closeArticlePanel() {
2211
2212         var tabs = dijit.byId("content-tabs");
2213         var child = tabs.selectedChildWidget;
2214
2215         if (child && tabs.getIndexOfChild(child) > 0) {
2216                 tabs.removeChild(child);
2217                 child.destroy();
2218         } else {
2219                 if (dijit.byId("content-insert"))
2220                         dijit.byId("headlines-wrap-inner").removeChild(
2221                                 dijit.byId("content-insert"));
2222         }
2223 }
2224
2225 function initHeadlinesMenu() {
2226         try {
2227                 if (dijit.byId("headlinesMenu"))
2228                         dijit.byId("headlinesMenu").destroyRecursive();
2229
2230                 var ids = [];
2231
2232                 if (!isCdmMode()) {
2233                         nodes = $$("#headlines-frame > div[id*=RROW]");
2234                 } else {
2235                         nodes = $$("#headlines-frame span[id*=RTITLE]");
2236                 }
2237
2238                 nodes.each(function(node) {
2239                         ids.push(node.id);
2240                 });
2241
2242                 var menu = new dijit.Menu({
2243                         id: "headlinesMenu",
2244                         targetNodeIds: ids,
2245                 });
2246
2247                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
2248                         var callerNode = event.target, match = null, tries = 0;
2249
2250                         while (match == null && callerNode && tries <= 3) {
2251                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2252                                 callerNode = callerNode.parentNode;
2253                                 ++tries;
2254                         }
2255
2256                         if (match) this.callerRowId = parseInt(match[1]);
2257
2258                 });
2259
2260                 if (!isCdmMode())
2261                         menu.addChild(new dijit.MenuItem({
2262                                 label: __("View article"),
2263                                 onClick: function(event) {
2264                                         view(this.getParent().callerRowId);
2265                                 }}));
2266
2267                 menu.addChild(new dijit.MenuItem({
2268                         label: __("View in a new tab"),
2269                         onClick: function(event) {
2270                                 hlOpenInNewTab(event, this.getParent().callerRowId);
2271                                 }}));
2272
2273                 menu.addChild(new dijit.MenuSeparator());
2274
2275                 menu.addChild(new dijit.MenuItem({
2276                         label: __("Open original article"),
2277                         onClick: function(event) {
2278                                 openArticleInNewWindow(this.getParent().callerRowId);
2279                         }}));
2280
2281                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
2282
2283                 if (labels) {
2284
2285                         menu.addChild(new dijit.MenuSeparator());
2286
2287                         var labelsMenu = new dijit.Menu({ownerMenu: menu});
2288
2289                         labels.each(function(label) {
2290                                 var id = label.id[0];
2291                                 var bare_id = id.substr(id.indexOf(":")+1);
2292                                 var name = label.name[0];
2293
2294                                 bare_id = -11-bare_id;
2295
2296                                 labelsMenu.addChild(new dijit.MenuItem({
2297                                         label: name,
2298                                         labelId: bare_id,
2299                                         onClick: function(event) {
2300                                                 //console.log(this.labelId);
2301                                                 //console.log(this.getParent().ownerMenu.callerRowId);
2302                                                 selectionAssignLabel(this.labelId,
2303                                                         [this.getParent().ownerMenu.callerRowId]);
2304                                 }}));
2305                         });
2306
2307                         menu.addChild(new dijit.PopupMenuItem({
2308                                 label: __("Labels"),
2309                                 popup: labelsMenu,
2310                         }));
2311                 }
2312
2313                 menu.startup();
2314
2315         } catch (e) {
2316                 exception_error("initHeadlinesMenu", e);
2317         }
2318 }