viewfeed.js

   1 var active_post_id = false;
   2
   3 var article_cache = new Array();
   4
   5 var vgroup_last_feed = false;
   6 var post_under_pointer = false;
   7
   8 var last_requested_article = false;
   9
  10 var catchup_id_batch = [];
  11 var catchup_timeout_id = false;
  12 var feed_precache_timeout_id = false;
  13 var precache_idle_timeout_id = false;
  14
  15 var cids_requested = [];
  16
  17 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  18
  19 function headlines_callback2(transport, offset, background) {
  20         try {
  21                 handle_rpc_json(transport);
  22
  23                 loading_set_progress(25);
  24
  25                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background);
  26
  27                 var is_cat = false;
  28                 var feed_id = false;
  29
  30                 var reply;
  31
  32                 try {
  33                         reply = JSON.parse(transport.responseText);
  34                 } catch (e) {
  35                         console.error(e);
  36                 }
  37
  38                 if (reply) {
  39
  40                         is_cat = reply['headlines']['is_cat'];
  41                         feed_id = reply['headlines']['id'];
  42
  43                         if (background) {
  44                                 cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], reply['headlines']['content']);
  45                                 return;
  46                         }
  47
  48                         setActiveFeedId(feed_id, is_cat);
  49
  50                         try {
  51                                 if (offset == 0) {
  52                                         $("headlines-frame").scrollTop = 0;
  53                                 }
  54                         } catch (e) { };
  55
  56                         var headlines_count = reply['headlines-info']['count'];
  57
  58                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  59
  60                         if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
  61                                 _infscroll_disable = 1;
  62                         } else {
  63                                 _infscroll_disable = 0;
  64                         }
  65
  66                         var counters = reply['counters'];
  67                         var articles = reply['articles'];
  68                         var runtime_info = reply['runtime-info'];
  69
  70                         if (offset == 0) {
  71                                 dijit.byId("headlines-frame").attr('content',
  72                                         reply['headlines']['content']);
  73
  74                                 dijit.byId("headlines-toolbar").attr('content',
  75                                         reply['headlines']['toolbar']);
  76
  77                                 var hsp = $("headlines-spacer");
  78                                 if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
  79
  80                                 dijit.byId('headlines-frame').domNode.appendChild(hsp);
  81
  82                                 initHeadlinesMenu();
  83
  84                         } else {
  85
  86                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
  87                                         console.log("adding some more headlines...");
  88
  89                                         var c = dijit.byId("headlines-frame");
  90                                         var ids = getSelectedArticleIds2();
  91
  92                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
  93
  94                                         var hsp = $("headlines-spacer");
  95
  96                                         if (hsp)
  97                                                 c.domNode.removeChild(hsp);
  98
  99                                         $$("#headlines-tmp > div").each(function(row) {
 100                                                 if ($$("#headlines-frame DIV[id="+row.id+"]").length == 0) {
 101                                                         row.style.display = 'none';
 102                                                         c.domNode.appendChild(row);
 103                                                 } else {
 104                                                         row.parentNode.removeChild(row);
 105                                                 }
 106                                         });
 107
 108                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 109
 110                                         fixHeadlinesOrder(getLoadedArticleIds());
 111
 112                                         c.domNode.appendChild(hsp);
 113
 114                                         console.log("restore selected ids: " + ids);
 115
 116                                         for (var i = 0; i < ids.length; i++) {
 117                                                 markHeadline(ids[i]);
 118                                         }
 119
 120                                         initHeadlinesMenu();
 121
 122                                         $$("#headlines-frame > div[id*=RROW]").each(
 123                                         function(child) {
 124                                                 if (!Element.visible(child))
 125                                                         new Effect.Appear(child, { duration : 0.5 });
 126                                         });
 127
 128                                 } else {
 129                                         console.log("no new headlines received");
 130
 131                                         var hsp = $("headlines-spacer");
 132
 133                                         if (hsp) hsp.innerHTML = "";
 134                                 }
 135                         }
 136
 137                         if (headlines_count > 0)
 138                                 cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], $("headlines-frame").innerHTML);
 139
 140                         if (articles) {
 141                                 for (var i = 0; i < articles.length; i++) {
 142                                         var a_id = articles[i]['id'];
 143                                         cache_set("article:" + a_id, articles[i]['content']);
 144                                 }
 145                         } else {
 146                                 console.log("no cached articles received");
 147                         }
 148
 149                         // do not precache stuff after fresh feed
 150                         if (feed_id != -3)
 151                                 precache_headlines();
 152
 153                         if (counters)
 154                                 parse_counters(counters);
 155                         else
 156                                 request_counters();
 157
 158                 } else {
 159                         console.error("Invalid object received: " + transport.responseText);
 160                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 161                                         __('Could not update headlines (invalid object received - see error console for details)') +
 162                                         "</div>");
 163                 }
 164
 165                 _infscroll_request_sent = 0;
 166
 167                 notify("");
 168
 169         } catch (e) {
 170                 exception_error("headlines_callback2", e, transport);
 171         }
 172 }
 173
 174 function render_article(article) {
 175         try {
 176                 dijit.byId("headlines-wrap-inner").addChild(
 177                                 dijit.byId("content-insert"));
 178
 179                 var c = dijit.byId("content-insert");
 180
 181                 try {
 182                         c.domNode.scrollTop = 0;
 183                 } catch (e) { };
 184
 185                 c.attr('content', article);
 186
 187                 correctHeadlinesOffset(getActiveArticleId());
 188
 189                 try {
 190                         c.focus();
 191                 } catch (e) { };
 192
 193         } catch (e) {
 194                 exception_error("render_article", e);
 195         }
 196 }
 197
 198 function showArticleInHeadlines(id) {
 199
 200         try {
 201
 202                 selectArticles("none");
 203
 204                 var crow = $("RROW-" + id);
 205
 206                 if (!crow) return;
 207
 208                 var article_is_unread = crow.hasClassName("Unread");
 209
 210                 crow.removeClassName("Unread");
 211
 212                 selectArticles('none');
 213
 214                 var upd_img_pic = $("FUPDPIC-" + id);
 215
 216                 var view_mode = false;
 217
 218                 try {
 219                         view_mode = document.forms['main_toolbar_form'].view_mode;
 220                         view_mode = view_mode[view_mode.selectedIndex].value;
 221                 } catch (e) {
 222                         //
 223                 }
 224
 225                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 226                                         upd_img_pic.src.match("fresh_sign.png"))) {
 227
 228                         upd_img_pic.src = "images/blank_icon.gif";
 229
 230                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 231
 232                 } else if (article_is_unread && view_mode == "all_articles") {
 233                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 234                 }
 235
 236                 markHeadline(id);
 237
 238                 if (article_is_unread)
 239                         _force_scheduled_update = true;
 240
 241         } catch (e) {
 242                 exception_error("showArticleInHeadlines", e);
 243         }
 244 }
 245
 246 function article_callback2(transport, id) {
 247         try {
 248                 console.log("article_callback2 " + id);
 249
 250                 handle_rpc_json(transport);
 251
 252                 var reply = false;
 253
 254                 try {
 255                         reply = JSON.parse(transport.responseText);
 256                 } catch (e) {
 257                         console.error(e);
 258                 }
 259
 260                 if (reply) {
 261
 262                         var upic = $('FUPDPIC-' + id);
 263
 264                         if (upic) upic.src = 'images/blank_icon.gif';
 265
 266                         reply.each(function(article) {
 267                                 if (active_post_id == article['id']) {
 268                                         render_article(article['content']);
 269                                 }
 270                                 cids_requested.remove(article['id']);
 271
 272                                 cache_set("article:" + article['id'], article['content']);
 273                         });
 274
 275 //                      if (id != last_requested_article) {
 276 //                              console.log("requested article id is out of sequence, aborting");
 277 //                              return;
 278 //                      }
 279
 280                 } else {
 281                         console.error("Invalid object received: " + transport.responseText);
 282
 283                         render_article("<div class='whiteBox'>" +
 284                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 285                 }
 286
 287                 request_counters();
 288
 289                 try {
 290                         if (!_infscroll_disable &&
 291                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 292
 293                                 loadMoreHeadlines();
 294                         }
 295                 } catch (e) {
 296                         console.warn(e);
 297                 }
 298
 299                 notify("");
 300         } catch (e) {
 301                 exception_error("article_callback2", e, transport);
 302         }
 303 }
 304
 305 function view(id) {
 306         try {
 307                 console.log("loading article: " + id);
 308
 309                 var cached_article = cache_get("article:" + id);
 310
 311                 console.log("cache check result: " + (cached_article != false));
 312
 313                 hideAuxDlg();
 314
 315                 var query = "?op=view&id=" + param_escape(id);
 316
 317                 var neighbor_ids = getRelativePostIds(id);
 318
 319                 /* only request uncached articles */
 320
 321                 var cids_to_request = [];
 322
 323                 for (var i = 0; i < neighbor_ids.length; i++) {
 324                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 325                                 if (!cache_get("article:" + neighbor_ids[i])) {
 326                                         cids_to_request.push(neighbor_ids[i]);
 327                                         cids_requested.push(neighbor_ids[i]);
 328                                 }
 329                 }
 330
 331                 console.log("additional ids: " + cids_to_request.toString());
 332
 333                 query = query + "&cids=" + cids_to_request.toString();
 334
 335                 var crow = $("RROW-" + id);
 336                 var article_is_unread = crow.hasClassName("Unread");
 337
 338                 active_post_id = id;
 339                 showArticleInHeadlines(id);
 340
 341                 precache_headlines();
 342
 343                 if (!cached_article) {
 344
 345                         var upic = $('FUPDPIC-' + id);
 346
 347                         if (upic) {
 348                                 upic.src = getInitParam("sign_progress");
 349                         }
 350
 351                 } else if (cached_article && article_is_unread) {
 352
 353                         query = query + "&mode=prefetch";
 354
 355                         render_article(cached_article);
 356
 357                 } else if (cached_article) {
 358
 359                         query = query + "&mode=prefetch_old";
 360                         render_article(cached_article);
 361
 362                         // if we don't need to request any relative ids, we might as well skip
 363                         // the server roundtrip altogether
 364                         if (cids_to_request.length == 0) {
 365
 366                                 try {
 367                                         if (!_infscroll_disable &&
 368                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 369
 370                                                         loadMoreHeadlines();
 371                                         }
 372                                 } catch (e) {
 373                                         console.warn(e);
 374                                 }
 375
 376                                 return;
 377                         }
 378                 }
 379
 380                 last_requested_article = id;
 381
 382                 console.log(query);
 383
 384                 new Ajax.Request("backend.php", {
 385                         parameters: query,
 386                         onComplete: function(transport) {
 387                                 article_callback2(transport, id);
 388                         } });
 389
 390                 return false;
 391
 392         } catch (e) {
 393                 exception_error("view", e);
 394         }
 395 }
 396
 397 function tMark(id) {
 398         return toggleMark(id);
 399 }
 400
 401 function tPub(id) {
 402         return togglePub(id);
 403 }
 404
 405 function toggleMark(id, client_only) {
 406         try {
 407                 var query = "?op=rpc&id=" + id + "&subop=mark";
 408
 409                 var img = $("FMPIC-" + id);
 410
 411                 if (!img) return;
 412
 413                 if (img.src.match("mark_unset")) {
 414                         img.src = img.src.replace("mark_unset", "mark_set");
 415                         img.alt = __("Unstar article");
 416                         query = query + "&mark=1";
 417
 418                 } else {
 419                         img.src = img.src.replace("mark_set", "mark_unset");
 420                         img.alt = __("Star article");
 421                         query = query + "&mark=0";
 422                 }
 423
 424                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 425
 426                 if (!client_only) {
 427                         new Ajax.Request("backend.php", {
 428                                 parameters: query,
 429                                 onComplete: function(transport) {
 430                                         handle_rpc_json(transport);
 431                                 } });
 432                 }
 433
 434         } catch (e) {
 435                 exception_error("toggleMark", e);
 436         }
 437 }
 438
 439 function togglePub(id, client_only, no_effects, note) {
 440         try {
 441                 var query = "?op=rpc&id=" + id + "&subop=publ";
 442
 443                 if (note != undefined) {
 444                         query = query + "&note=" + param_escape(note);
 445                 } else {
 446                         query = query + "&note=undefined";
 447                 }
 448
 449                 var img = $("FPPIC-" + id);
 450
 451                 if (!img) return;
 452
 453                 if (img.src.match("pub_unset") || note != undefined) {
 454                         img.src = img.src.replace("pub_unset", "pub_set");
 455                         img.alt = __("Unpublish article");
 456                         query = query + "&pub=1";
 457
 458                 } else {
 459                         img.src = img.src.replace("pub_set", "pub_unset");
 460                         img.alt = __("Publish article");
 461
 462                         query = query + "&pub=0";
 463                 }
 464
 465                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 466
 467                 if (!client_only) {
 468                         new Ajax.Request("backend.php", {
 469                                 parameters: query,
 470                                 onComplete: function(transport) {
 471                                         handle_rpc_json(transport);
 472                                 } });
 473                 }
 474
 475         } catch (e) {
 476                 exception_error("togglePub", e);
 477         }
 478 }
 479
 480 function moveToPost(mode) {
 481
 482         try {
 483
 484                 var rows = getVisibleArticleIds();
 485
 486                 var prev_id = false;
 487                 var next_id = false;
 488
 489                 if (!$('RROW-' + active_post_id)) {
 490                         active_post_id = false;
 491                 }
 492
 493                 if (active_post_id == false) {
 494                         next_id = getFirstVisibleHeadlineId();
 495                         prev_id = getLastVisibleHeadlineId();
 496                 } else {
 497                         for (var i = 0; i < rows.length; i++) {
 498                                 if (rows[i] == active_post_id) {
 499                                         prev_id = rows[i-1];
 500                                         next_id = rows[i+1];
 501                                 }
 502                         }
 503                 }
 504
 505                 if (mode == "next") {
 506                         if (next_id) {
 507                                 if (isCdmMode()) {
 508
 509                                         cdmExpandArticle(next_id);
 510                                         cdmScrollToArticleId(next_id);
 511
 512                                 } else {
 513                                         correctHeadlinesOffset(next_id);
 514                                         view(next_id, getActiveFeedId());
 515                                 }
 516                         }
 517                 }
 518
 519                 if (mode == "prev") {
 520                         if (prev_id) {
 521                                 if (isCdmMode()) {
 522                                         cdmExpandArticle(prev_id);
 523                                         cdmScrollToArticleId(prev_id);
 524                                 } else {
 525                                         correctHeadlinesOffset(prev_id);
 526                                         view(prev_id, getActiveFeedId());
 527                                 }
 528                         }
 529                 }
 530
 531         } catch (e) {
 532                 exception_error("moveToPost", e);
 533         }
 534 }
 535
 536 function toggleSelected(id, force_on) {
 537         try {
 538
 539                 var cb = $("RCHK-" + id);
 540                 var row = $("RROW-" + id);
 541
 542                 if (row) {
 543                         if (row.hasClassName('Selected') && !force_on) {
 544                                 row.removeClassName('Selected');
 545                                 if (cb) cb.checked = false;
 546                         } else {
 547                                 row.addClassName('Selected');
 548                                 if (cb) cb.checked = true;
 549                         }
 550                 }
 551         } catch (e) {
 552                 exception_error("toggleSelected", e);
 553         }
 554 }
 555
 556 function toggleUnread_afh(effect) {
 557         try {
 558
 559                 var elem = effect.element;
 560                 elem.style.backgroundColor = "";
 561
 562         } catch (e) {
 563                 exception_error("toggleUnread_afh", e);
 564         }
 565 }
 566
 567 function toggleUnread(id, cmode, effect) {
 568         try {
 569
 570                 var row = $("RROW-" + id);
 571                 if (row) {
 572                         if (cmode == undefined || cmode == 2) {
 573                                 if (row.hasClassName("Unread")) {
 574                                         row.removeClassName("Unread");
 575
 576                                         if (effect) {
 577                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 578                                                         afterFinish: toggleUnread_afh,
 579                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 580                                         }
 581
 582                                 } else {
 583                                         row.addClassName("Unread");
 584                                 }
 585
 586                         } else if (cmode == 0) {
 587
 588                                 row.removeClassName("Unread");
 589
 590                                 if (effect) {
 591                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 592                                                 afterFinish: toggleUnread_afh,
 593                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 594                                 }
 595
 596                         } else if (cmode == 1) {
 597                                 row.addClassName("Unread");
 598                         }
 599
 600                         if (cmode == undefined) cmode = 2;
 601
 602                         var query = "?op=rpc&subop=catchupSelected" +
 603                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 604
 605 //                      notify_progress("Loading, please wait...");
 606
 607                         new Ajax.Request("backend.php", {
 608                                 parameters: query,
 609                                 onComplete: function(transport) {
 610                                         handle_rpc_json(transport);
 611                                 } });
 612
 613                 }
 614
 615         } catch (e) {
 616                 exception_error("toggleUnread", e);
 617         }
 618 }
 619
 620 function selectionRemoveLabel(id, ids) {
 621         try {
 622
 623                 if (!ids) var ids = getSelectedArticleIds2();
 624
 625                 if (ids.length == 0) {
 626                         alert(__("No articles are selected."));
 627                         return;
 628                 }
 629
 630                 var query = "?op=rpc&subop=removeFromLabel&ids=" +
 631                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 632
 633                 console.log(query);
 634
 635                 new Ajax.Request("backend.php", {
 636                         parameters: query,
 637                         onComplete: function(transport) {
 638                                 handle_rpc_json(transport);
 639                                 show_labels_in_headlines(transport);
 640                         } });
 641
 642         } catch (e) {
 643                 exception_error("selectionAssignLabel", e);
 644
 645         }
 646 }
 647
 648 function selectionAssignLabel(id, ids) {
 649         try {
 650
 651                 if (!ids) ids = getSelectedArticleIds2();
 652
 653                 if (ids.length == 0) {
 654                         alert(__("No articles are selected."));
 655                         return;
 656                 }
 657
 658                 var query = "?op=rpc&subop=assignToLabel&ids=" +
 659                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 660
 661                 console.log(query);
 662
 663                 new Ajax.Request("backend.php", {
 664                         parameters: query,
 665                         onComplete: function(transport) {
 666                                 handle_rpc_json(transport);
 667                                 show_labels_in_headlines(transport);
 668                         } });
 669
 670         } catch (e) {
 671                 exception_error("selectionAssignLabel", e);
 672
 673         }
 674 }
 675
 676 function selectionToggleUnread(set_state, callback, no_error) {
 677         try {
 678                 var rows = getSelectedArticleIds2();
 679
 680                 if (rows.length == 0 && !no_error) {
 681                         alert(__("No articles are selected."));
 682                         return;
 683                 }
 684
 685                 for (i = 0; i < rows.length; i++) {
 686                         var row = $("RROW-" + rows[i]);
 687                         if (row) {
 688                                 if (set_state == undefined) {
 689                                         if (row.hasClassName("Unread")) {
 690                                                 row.removeClassName("Unread");
 691                                         } else {
 692                                                 row.addClassName("Unread");
 693                                         }
 694                                 }
 695
 696                                 if (set_state == false) {
 697                                         row.removeClassName("Unread");
 698                                 }
 699
 700                                 if (set_state == true) {
 701                                         row.addClassName("Unread");
 702                                 }
 703                         }
 704                 }
 705
 706                 if (rows.length > 0) {
 707
 708                         var cmode = "";
 709
 710                         if (set_state == undefined) {
 711                                 cmode = "2";
 712                         } else if (set_state == true) {
 713                                 cmode = "1";
 714                         } else if (set_state == false) {
 715                                 cmode = "0";
 716                         }
 717
 718                         var query = "?op=rpc&subop=catchupSelected" +
 719                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 720
 721                         notify_progress("Loading, please wait...");
 722
 723                         new Ajax.Request("backend.php", {
 724                                 parameters: query,
 725                                 onComplete: function(transport) {
 726                                         handle_rpc_json(transport);
 727                                         if (callback) callback(transport);
 728                                 } });
 729
 730                 }
 731
 732         } catch (e) {
 733                 exception_error("selectionToggleUnread", e);
 734         }
 735 }
 736
 737 function selectionToggleMarked() {
 738         try {
 739
 740                 var rows = getSelectedArticleIds2();
 741
 742                 if (rows.length == 0) {
 743                         alert(__("No articles are selected."));
 744                         return;
 745                 }
 746
 747                 for (i = 0; i < rows.length; i++) {
 748                         toggleMark(rows[i], true, true);
 749                 }
 750
 751                 if (rows.length > 0) {
 752
 753                         var query = "?op=rpc&subop=markSelected&ids=" +
 754                                 param_escape(rows.toString()) + "&cmode=2";
 755
 756                         new Ajax.Request("backend.php", {
 757                                 parameters: query,
 758                                 onComplete: function(transport) {
 759                                         handle_rpc_json(transport);
 760                                 } });
 761
 762                 }
 763
 764         } catch (e) {
 765                 exception_error("selectionToggleMarked", e);
 766         }
 767 }
 768
 769 function selectionTogglePublished() {
 770         try {
 771
 772                 var rows = getSelectedArticleIds2();
 773
 774                 if (rows.length == 0) {
 775                         alert(__("No articles are selected."));
 776                         return;
 777                 }
 778
 779                 for (i = 0; i < rows.length; i++) {
 780                         togglePub(rows[i], true, true);
 781                 }
 782
 783                 if (rows.length > 0) {
 784
 785                         var query = "?op=rpc&subop=publishSelected&ids=" +
 786                                 param_escape(rows.toString()) + "&cmode=2";
 787
 788                         new Ajax.Request("backend.php", {
 789                                 parameters: query,
 790                                 onComplete: function(transport) {
 791                                         handle_rpc_json(transport);
 792                                 } });
 793
 794                 }
 795
 796         } catch (e) {
 797                 exception_error("selectionToggleMarked", e);
 798         }
 799 }
 800
 801 function getSelectedArticleIds2() {
 802
 803         var rv = [];
 804
 805         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 806                 function(child) {
 807                         rv.push(child.id.replace("RROW-", ""));
 808                 });
 809
 810         return rv;
 811 }
 812
 813 function getLoadedArticleIds() {
 814         var rv = [];
 815
 816         var children = $$("#headlines-frame > div[id*=RROW-]");
 817
 818         children.each(function(child) {
 819                         rv.push(child.id.replace("RROW-", ""));
 820                 });
 821
 822         return rv;
 823
 824 }
 825
 826 // mode = all,none,unread,invert
 827 function selectArticles(mode) {
 828         try {
 829
 830                 var children = $$("#headlines-frame > div[id*=RROW]");
 831
 832                 children.each(function(child) {
 833                         var id = child.id.replace("RROW-", "");
 834                         var cb = $("RCHK-" + id);
 835
 836                         if (mode == "all") {
 837                                 child.addClassName("Selected");
 838                                 cb.checked = true;
 839                         } else if (mode == "unread") {
 840                                 if (child.hasClassName("Unread")) {
 841                                         child.addClassName("Selected");
 842                                         cb.checked = true;
 843                                 } else {
 844                                         child.removeClassName("Selected");
 845                                         cb.checked = false;
 846                                 }
 847                         } else if (mode == "invert") {
 848                                 if (child.hasClassName("Selected")) {
 849                                         child.removeClassName("Selected");
 850                                         cb.checked = false;
 851                                 } else {
 852                                         child.addClassName("Selected");
 853                                         cb.checked = true;
 854                                 }
 855
 856                         } else {
 857                                 child.removeClassName("Selected");
 858                                 cb.checked = false;
 859                         }
 860                 });
 861
 862         } catch (e) {
 863                 exception_error("selectArticles", e);
 864         }
 865 }
 866
 867 function catchupPage() {
 868
 869         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 870
 871         var str = __("Mark all visible articles in %s as read?");
 872
 873         str = str.replace("%s", fn);
 874
 875         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 876                 return;
 877         }
 878
 879         selectArticles('all');
 880         selectionToggleUnread(false, 'viewCurrentFeed()', true)
 881         selectArticles('none');
 882 }
 883
 884 function deleteSelection() {
 885
 886         try {
 887
 888                 var rows = getSelectedArticleIds2();
 889
 890                 if (rows.length == 0) {
 891                         alert(__("No articles are selected."));
 892                         return;
 893                 }
 894
 895                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 896                 var str;
 897                 var op;
 898
 899                 if (getActiveFeedId() != 0) {
 900                         str = __("Delete %d selected articles in %s?");
 901                 } else {
 902                         str = __("Delete %d selected articles?");
 903                 }
 904
 905                 str = str.replace("%d", rows.length);
 906                 str = str.replace("%s", fn);
 907
 908                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 909                         return;
 910                 }
 911
 912                 query = "?op=rpc&subop=delete&ids=" + param_escape(rows);
 913
 914                 console.log(query);
 915
 916                 new Ajax.Request("backend.php", {
 917                         parameters: query,
 918                         onComplete: function(transport) {
 919                                         handle_rpc_json(transport);
 920                                         viewCurrentFeed();
 921                                 } });
 922
 923         } catch (e) {
 924                 exception_error("deleteSelection", e);
 925         }
 926 }
 927
 928 function archiveSelection() {
 929
 930         try {
 931
 932                 var rows = getSelectedArticleIds2();
 933
 934                 if (rows.length == 0) {
 935                         alert(__("No articles are selected."));
 936                         return;
 937                 }
 938
 939                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 940                 var str;
 941                 var op;
 942
 943                 if (getActiveFeedId() != 0) {
 944                         str = __("Archive %d selected articles in %s?");
 945                         op = "archive";
 946                 } else {
 947                         str = __("Move %d archived articles back?");
 948                         op = "unarchive";
 949                 }
 950
 951                 str = str.replace("%d", rows.length);
 952                 str = str.replace("%s", fn);
 953
 954                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 955                         return;
 956                 }
 957
 958                 query = "?op=rpc&subop="+op+"&ids=" + param_escape(rows);
 959
 960                 console.log(query);
 961
 962                 for (var i = 0; i < rows.length; i++) {
 963                         cache_delete("article:" + rows[i]);
 964                 }
 965
 966                 new Ajax.Request("backend.php", {
 967                         parameters: query,
 968                         onComplete: function(transport) {
 969                                         handle_rpc_json(transport);
 970                                         viewCurrentFeed();
 971                                 } });
 972
 973         } catch (e) {
 974                 exception_error("archiveSelection", e);
 975         }
 976 }
 977
 978 function catchupSelection() {
 979
 980         try {
 981
 982                 var rows = getSelectedArticleIds2();
 983
 984                 if (rows.length == 0) {
 985                         alert(__("No articles are selected."));
 986                         return;
 987                 }
 988
 989                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 990
 991                 var str = __("Mark %d selected articles in %s as read?");
 992
 993                 str = str.replace("%d", rows.length);
 994                 str = str.replace("%s", fn);
 995
 996                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 997                         return;
 998                 }
 999
1000                 selectionToggleUnread(false, 'viewCurrentFeed()', true)
1001
1002         } catch (e) {
1003                 exception_error("catchupSelection", e);
1004         }
1005 }
1006
1007 function editArticleTags(id) {
1008                 var query = "backend.php?op=dlg&id=editArticleTags&param=" + param_escape(id);
1009
1010                 if (dijit.byId("editTagsDlg"))
1011                         dijit.byId("editTagsDlg").destroyRecursive();
1012
1013                 dialog = new dijit.Dialog({
1014                         id: "editTagsDlg",
1015                         title: __("Edit article Tags"),
1016                         style: "width: 600px",
1017                         execute: function() {
1018                                 if (this.validate()) {
1019                                         var query = dojo.objectToQuery(this.attr('value'));
1020
1021                                         notify_progress("Saving article tags...", true);
1022
1023                                         new Ajax.Request("backend.php", {
1024                                         parameters: query,
1025                                         onComplete: function(transport) {
1026                                                 notify('');
1027                                                 dialog.hide();
1028
1029                                                 var data = JSON.parse(transport.responseText);
1030
1031                                                 if (data) {
1032                                                         var tags_str = article.tags;
1033                                                         var id = tags_str.id;
1034
1035                                                         var tags = $("ATSTR-" + id);
1036                                                         var tooltip = dijit.byId("ATSTRTIP-" + id);
1037
1038                                                         if (tags) tags.innerHTML = tags_str.content;
1039                                                         if (tooltip) tooltip.attr('label', tags_str.content_full);
1040
1041                                                         cache_delete("article:" + id);
1042                                                 }
1043
1044                                         }});
1045                                 }
1046                         },
1047                         href: query,
1048                 });
1049
1050                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1051                 dojo.disconnect(tmph);
1052
1053                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1054                            "backend.php?op=rpc&subop=completeTags",
1055                            { tokens: ',', paramName: "search" });
1056                 });
1057
1058                 dialog.show();
1059
1060 }
1061
1062 function cdmScrollToArticleId(id) {
1063         try {
1064                 var ctr = $("headlines-frame");
1065                 var e = $("RROW-" + id);
1066
1067                 if (!e || !ctr) return;
1068
1069                 ctr.scrollTop = e.offsetTop;
1070
1071         } catch (e) {
1072                 exception_error("cdmScrollToArticleId", e);
1073         }
1074 }
1075
1076 function getActiveArticleId() {
1077         return active_post_id;
1078 }
1079
1080 function postMouseIn(id) {
1081         post_under_pointer = id;
1082 }
1083
1084 function postMouseOut(id) {
1085         post_under_pointer = false;
1086 }
1087
1088 function headlines_scroll_handler(e) {
1089         try {
1090                 var hsp = $("headlines-spacer");
1091
1092                 if (!_infscroll_disable) {
1093                         if (hsp && (e.scrollTop + e.offsetHeight > hsp.offsetTop) ||
1094                                         e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
1095
1096                                 hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1097                                         __("Loading, please wait...");
1098
1099                                 loadMoreHeadlines();
1100
1101                                 //viewNextFeedPage();
1102                         }
1103                 } else {
1104                         if (hsp) hsp.innerHTML = "";
1105                 }
1106
1107                 if (getInitParam("cdm_auto_catchup") == 1) {
1108
1109                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1110                                 function(child) {
1111                                         if ($("headlines-frame").scrollTop >
1112                                                         (child.offsetTop + child.offsetHeight/2)) {
1113
1114                                                 var id = child.id.replace("RROW-", "");
1115
1116                                                 if (catchup_id_batch.indexOf(id) == -1)
1117                                                         catchup_id_batch.push(id);
1118                                         }
1119                                 });
1120
1121                         if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1122                                 window.clearTimeout(catchup_timeout_id);
1123                                 catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1124                                                 1000);
1125                         }
1126                 }
1127
1128         } catch (e) {
1129                 console.warn("headlines_scroll_handler: " + e);
1130         }
1131 }
1132
1133 function catchupBatchedArticles() {
1134         try {
1135                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1136
1137                         var query = "?op=rpc&subop=catchupSelected" +
1138                                 "&cmode=0&ids=" + param_escape(catchup_id_batch.toString());
1139
1140                         new Ajax.Request("backend.php", {
1141                                 parameters: query,
1142                                 onComplete: function(transport) {
1143                                         handle_rpc_json(transport);
1144
1145                                         catchup_id_batch.each(function(id) {
1146                                                 var elem = $("RROW-" + id);
1147                                                 if (elem) elem.removeClassName("Unread");
1148                                         });
1149
1150                                         catchup_id_batch = [];
1151                                 } });
1152                 }
1153
1154         } catch (e) {
1155                 exception_error("catchupBatchedArticles", e);
1156         }
1157 }
1158
1159 function catchupRelativeToArticle(below) {
1160
1161         try {
1162
1163
1164                 if (!getActiveArticleId()) {
1165                         alert(__("No article is selected."));
1166                         return;
1167                 }
1168
1169                 var visible_ids = getVisibleArticleIds();
1170
1171                 var ids_to_mark = new Array();
1172
1173                 if (!below) {
1174                         for (var i = 0; i < visible_ids.length; i++) {
1175                                 if (visible_ids[i] != getActiveArticleId()) {
1176                                         var e = $("RROW-" + visible_ids[i]);
1177
1178                                         if (e && e.hasClassName("Unread")) {
1179                                                 ids_to_mark.push(visible_ids[i]);
1180                                         }
1181                                 } else {
1182                                         break;
1183                                 }
1184                         }
1185                 } else {
1186                         for (var i = visible_ids.length-1; i >= 0; i--) {
1187                                 if (visible_ids[i] != getActiveArticleId()) {
1188                                         var e = $("RROW-" + visible_ids[i]);
1189
1190                                         if (e && e.hasClassName("Unread")) {
1191                                                 ids_to_mark.push(visible_ids[i]);
1192                                         }
1193                                 } else {
1194                                         break;
1195                                 }
1196                         }
1197                 }
1198
1199                 if (ids_to_mark.length == 0) {
1200                         alert(__("No articles found to mark"));
1201                 } else {
1202                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1203
1204                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1205
1206                                 for (var i = 0; i < ids_to_mark.length; i++) {
1207                                         var e = $("RROW-" + ids_to_mark[i]);
1208                                         e.removeClassName("Unread");
1209                                 }
1210
1211                                 var query = "?op=rpc&subop=catchupSelected" +
1212                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1213
1214                                 new Ajax.Request("backend.php", {
1215                                         parameters: query,
1216                                         onComplete: function(transport) {
1217                                                 handle_rpc_json(transport);
1218                                         } });
1219
1220                         }
1221                 }
1222
1223         } catch (e) {
1224                 exception_error("catchupRelativeToArticle", e);
1225         }
1226 }
1227
1228 function cdmExpandArticle(id) {
1229         try {
1230
1231                 hideAuxDlg();
1232
1233                 var elem = $("CICD-" + active_post_id);
1234
1235                 var upd_img_pic = $("FUPDPIC-" + id);
1236
1237                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1238                                 upd_img_pic.src.match("fresh_sign.png"))) {
1239
1240                         upd_img_pic.src = "images/blank_icon.gif";
1241                 }
1242
1243                 if (id == active_post_id && Element.visible(elem))
1244                         return true;
1245
1246                 selectArticles("none");
1247
1248                 var old_offset = $("RROW-" + id).offsetTop;
1249
1250                 if (active_post_id && elem && !getInitParam("cdm_expanded")) {
1251                         Element.hide(elem);
1252                         Element.show("CEXC-" + active_post_id);
1253                 }
1254
1255                 active_post_id = id;
1256
1257                 elem = $("CICD-" + id);
1258
1259                 if (!Element.visible(elem)) {
1260                         Element.show(elem);
1261                         Element.hide("CEXC-" + id);
1262
1263                         if ($("CWRAP-" + id).innerHTML == "") {
1264
1265                                 $("FUPDPIC-" + id).src = "images/indicator_tiny.gif";
1266
1267                                 $("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" +
1268                                         __("Loading, please wait...") + "</div>";
1269
1270                                 var query = "?op=rpc&subop=cdmGetArticle&id=" + param_escape(id);
1271
1272                                 var neighbor_ids = getRelativePostIds(id);
1273
1274                                 /* only request uncached articles */
1275                                 var cids_to_request = [];
1276
1277                                 for (var i = 0; i < neighbor_ids.length; i++) {
1278                                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
1279                                                 if ($("CWRAP-" + neighbor_ids[i]).innerHTML == "") {
1280                                                         cids_to_request.push(neighbor_ids[i]);
1281                                                         cids_requested.push(neighbor_ids[i]);
1282                                                 }
1283                                 }
1284
1285                                 console.log("additional ids: " + cids_to_request.toString());
1286
1287                                 query = query + "&cids=" + cids_to_request.toString();
1288
1289                                 console.log(query);
1290
1291                                 new Ajax.Request("backend.php", {
1292                                         parameters: query,
1293                                         onComplete: function(transport) {
1294
1295                                                 $("FUPDPIC-" + id).src = 'images/blank_icon.gif';
1296
1297                                                 handle_rpc_json(transport);
1298
1299                                                 var reply = JSON.parse(transport.responseText);
1300
1301                                                 reply.each(function(article) {
1302                                                         $("CWRAP-" + article['id']).innerHTML = article['content']
1303                                                         cids_requested.remove(article['id']);
1304                                                 });
1305                                 }});
1306
1307                         }
1308                 }
1309
1310                 var new_offset = $("RROW-" + id).offsetTop;
1311
1312                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1313
1314                 if ($("RROW-" + id).offsetTop != old_offset)
1315                         $("headlines-frame").scrollTop = new_offset;
1316
1317                 toggleUnread(id, 0, true);
1318                 toggleSelected(id);
1319
1320         } catch (e) {
1321                 exception_error("cdmExpandArticle", e);
1322         }
1323
1324         return false;
1325 }
1326
1327 function fixHeadlinesOrder(ids) {
1328         try {
1329                 for (var i = 0; i < ids.length; i++) {
1330                         var e = $("RROW-" + ids[i]);
1331
1332                         if (e) {
1333                                 if (i % 2 == 0) {
1334                                         e.removeClassName("even");
1335                                         e.addClassName("odd");
1336                                 } else {
1337                                         e.removeClassName("odd");
1338                                         e.addClassName("even");
1339                                 }
1340                         }
1341                 }
1342         } catch (e) {
1343                 exception_error("fixHeadlinesOrder", e);
1344         }
1345 }
1346
1347 function getArticleUnderPointer() {
1348         return post_under_pointer;
1349 }
1350
1351 function zoomToArticle(event, id) {
1352         try {
1353                 var cached_article = cache_get("article: " + id);
1354
1355                 if (dijit.byId("ATAB-" + id))
1356                         if (!event || !event.shiftKey)
1357                                 return dijit.byId("content-tabs").selectChild(dijit.byId("ATAB-" + id));
1358
1359                 if (dijit.byId("ATSTRTIP-" + id))
1360                         dijit.byId("ATSTRTIP-" + id).destroyRecursive();
1361
1362                 if (cached_article) {
1363                         //closeArticlePanel();
1364
1365                         var article_pane = new dijit.layout.ContentPane({
1366                                 title: __("Loading...") , content: cached_article,
1367                                 style: 'padding : 0px;',
1368                                 id: 'ATAB-' + id,
1369                                 closable: true });
1370
1371                         dijit.byId("content-tabs").addChild(article_pane);
1372
1373                         if (!event || !event.shiftKey)
1374                                 dijit.byId("content-tabs").selectChild(article_pane);
1375
1376                         if ($("PTITLE-" + id))
1377                                 article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1378
1379                 } else {
1380
1381                         var query = "?op=rpc&subop=getArticles&ids=" + param_escape(id);
1382
1383                         notify_progress("Loading, please wait...", true);
1384
1385                         new Ajax.Request("backend.php", {
1386                                 parameters: query,
1387                                 onComplete: function(transport) {
1388                                         notify('');
1389
1390                                         var reply = JSON.parse(transport.responseText);
1391
1392                                         if (reply) {
1393                                                 //closeArticlePanel();
1394
1395                                                 var content = reply[0]['content'];
1396
1397                                                 var article_pane = new dijit.layout.ContentPane({
1398                                                         title: "article-" + id , content: content,
1399                                                         style: 'padding : 0px;',
1400                                                         id: 'ATAB-' + id,
1401                                                         closable: true });
1402
1403                                                 dijit.byId("content-tabs").addChild(article_pane);
1404
1405                                                 if (!event || !event.shiftKey)
1406                                                         dijit.byId("content-tabs").selectChild(article_pane);
1407
1408                                                 if ($("PTITLE-" + id))
1409                                                         article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1410                                         }
1411
1412                                 } });
1413                         }
1414
1415         } catch (e) {
1416                 exception_error("zoomToArticle", e);
1417         }
1418 }
1419
1420 function scrollArticle(offset) {
1421         try {
1422                 if (!isCdmMode()) {
1423                         var ci = $("content-insert");
1424                         if (ci) {
1425                                 ci.scrollTop += offset;
1426                         }
1427                 } else {
1428                         var hi = $("headlines-frame");
1429                         if (hi) {
1430                                 hi.scrollTop += offset;
1431                         }
1432
1433                 }
1434         } catch (e) {
1435                 exception_error("scrollArticle", e);
1436         }
1437 }
1438
1439 function show_labels_in_headlines(transport) {
1440         try {
1441                 var data = JSON.parse(transport.responseText);
1442
1443                 if (data) {
1444                         data['info-for-headlines'].each(function(elem) {
1445                                 var ctr = $("HLLCTR-" + elem.id);
1446
1447                                 if (ctr) ctr.innerHTML = elem.labels;
1448                         });
1449
1450                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
1451
1452                 }
1453         } catch (e) {
1454                 exception_error("show_labels_in_headlines", e);
1455         }
1456 }
1457
1458 /* function toggleHeadlineActions() {
1459         try {
1460                 var e = $("headlineActionsBody");
1461                 var p = $("headlineActionsDrop");
1462
1463                 if (!Element.visible(e)) {
1464                         Element.show(e);
1465                 } else {
1466                         Element.hide(e);
1467                 }
1468
1469                 e.scrollTop = 0;
1470                 e.style.left = (p.offsetLeft + 1) + "px";
1471                 e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
1472
1473         } catch (e) {
1474                 exception_error("toggleHeadlineActions", e);
1475         }
1476 } */
1477
1478 /* function publishWithNote(id, def_note) {
1479         try {
1480                 if (!def_note) def_note = '';
1481
1482                 var note = prompt(__("Please enter a note for this article:"), def_note);
1483
1484                 if (note != undefined) {
1485                         togglePub(id, false, false, note);
1486                 }
1487
1488         } catch (e) {
1489                 exception_error("publishWithNote", e);
1490         }
1491 } */
1492
1493 function emailArticle(id) {
1494         try {
1495                 if (!id) {
1496                         var ids = getSelectedArticleIds2();
1497
1498                         if (ids.length == 0) {
1499                                 alert(__("No articles are selected."));
1500                                 return;
1501                         }
1502
1503                         id = ids.toString();
1504                 }
1505
1506                 if (dijit.byId("emailArticleDlg"))
1507                         dijit.byId("emailArticleDlg").destroyRecursive();
1508
1509                 var query = "backend.php?op=dlg&id=emailArticle&param=" + param_escape(id);
1510
1511                 dialog = new dijit.Dialog({
1512                         id: "emailArticleDlg",
1513                         title: __("Forward article by email"),
1514                         style: "width: 600px",
1515                         execute: function() {
1516                                 if (this.validate()) {
1517
1518                                         new Ajax.Request("backend.php", {
1519                                                 parameters: dojo.objectToQuery(this.attr('value')),
1520                                                 onComplete: function(transport) {
1521
1522                                                         var reply = JSON.parse(transport.responseText);
1523
1524                                                         var error = reply['error'];
1525
1526                                                         if (error) {
1527                                                                 alert(__('Error sending email:') + ' ' + error);
1528                                                         } else {
1529                                                                 notify_info('Your message has been sent.');
1530                                                                 dialog.hide();
1531                                                         }
1532
1533                                         } });
1534                                 }
1535                         },
1536                         href: query});
1537
1538                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1539                 dojo.disconnect(tmph);
1540
1541                    new Ajax.Autocompleter('emailArticleDlg_destination', 'emailArticleDlg_dst_choices',
1542                            "backend.php?op=rpc&subop=completeEmails",
1543                            { tokens: '', paramName: "search" });
1544                 });
1545
1546                 dialog.show();
1547
1548                 /* displayDlg('emailArticle', id,
1549                    function () {
1550                                 document.forms['article_email_form'].destination.focus();
1551
1552                            new Ajax.Autocompleter('destination', 'destination_choices',
1553                                    "backend.php?op=rpc&subop=completeEmails",
1554                                    { tokens: '', paramName: "search" });
1555
1556                         }); */
1557
1558         } catch (e) {
1559                 exception_error("emailArticle", e);
1560         }
1561 }
1562
1563 function dismissArticle(id) {
1564         try {
1565                 var elem = $("RROW-" + id);
1566
1567                 toggleUnread(id, 0, true);
1568
1569                 new Effect.Fade(elem, {duration : 0.5});
1570
1571                 active_post_id = false;
1572
1573         } catch (e) {
1574                 exception_error("dismissArticle", e);
1575         }
1576 }
1577
1578 function dismissSelectedArticles() {
1579         try {
1580
1581                 var ids = getVisibleArticleIds();
1582                 var tmp = [];
1583                 var sel = [];
1584
1585                 for (var i = 0; i < ids.length; i++) {
1586                         var elem = $("RROW-" + ids[i]);
1587
1588                         if (elem.className && elem.hasClassName("Selected") &&
1589                                         ids[i] != active_post_id) {
1590                                 new Effect.Fade(elem, {duration : 0.5});
1591                                 sel.push(ids[i]);
1592                         } else {
1593                                 tmp.push(ids[i]);
1594                         }
1595                 }
1596
1597                 if (sel.length > 0)
1598                         selectionToggleUnread(false);
1599
1600                 fixHeadlinesOrder(tmp);
1601
1602         } catch (e) {
1603                 exception_error("dismissSelectedArticles", e);
1604         }
1605 }
1606
1607 function dismissReadArticles() {
1608         try {
1609
1610                 var ids = getVisibleArticleIds();
1611                 var tmp = [];
1612
1613                 for (var i = 0; i < ids.length; i++) {
1614                         var elem = $("RROW-" + ids[i]);
1615
1616                         if (elem.className && !elem.hasClassName("Unread") &&
1617                                         !elem.hasClassName("Selected")) {
1618
1619                                 new Effect.Fade(elem, {duration : 0.5});
1620                         } else {
1621                                 tmp.push(ids[i]);
1622                         }
1623                 }
1624
1625                 fixHeadlinesOrder(tmp);
1626
1627         } catch (e) {
1628                 exception_error("dismissSelectedArticles", e);
1629         }
1630 }
1631
1632 function getVisibleArticleIds() {
1633         var ids = [];
1634
1635         try {
1636
1637                 getLoadedArticleIds().each(function(id) {
1638                         var elem = $("RROW-" + id);
1639                         if (elem && Element.visible(elem))
1640                                 ids.push(id);
1641                         });
1642
1643         } catch (e) {
1644                 exception_error("getVisibleArticleIds", e);
1645         }
1646
1647         return ids;
1648 }
1649
1650 function cdmClicked(event, id) {
1651         try {
1652                 var shift_key = event.shiftKey;
1653
1654                 hideAuxDlg();
1655
1656                 if (!event.ctrlKey) {
1657
1658                         if (!getInitParam("cdm_expanded")) {
1659                                 return cdmExpandArticle(id);
1660                         } else {
1661
1662                                 selectArticles("none");
1663                                 toggleSelected(id);
1664
1665                                 var elem = $("RROW-" + id);
1666
1667                                 if (elem)
1668                                         elem.removeClassName("Unread");
1669
1670                                 var upd_img_pic = $("FUPDPIC-" + id);
1671
1672                                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1673                                                 upd_img_pic.src.match("fresh_sign.png"))) {
1674
1675                                         upd_img_pic.src = "images/blank_icon.gif";
1676                                 }
1677
1678                                 active_post_id = id;
1679
1680                                 var query = "?op=rpc&subop=catchupSelected" +
1681                                         "&cmode=0&ids=" + param_escape(id);
1682
1683                                 new Ajax.Request("backend.php", {
1684                                         parameters: query,
1685                                         onComplete: function(transport) {
1686                                                 handle_rpc_json(transport);
1687                                         } });
1688
1689                                 return true;
1690                         }
1691
1692                 } else {
1693                         toggleSelected(id, true);
1694                         toggleUnread(id, 0, false);
1695                         zoomToArticle(event, id);
1696                 }
1697
1698         } catch (e) {
1699                 exception_error("cdmClicked");
1700         }
1701
1702         return false;
1703 }
1704
1705 function postClicked(event, id) {
1706         try {
1707
1708                 if (!event.ctrlKey) {
1709                         return true;
1710                 } else {
1711                         postOpenInNewTab(event, id);
1712                         return false;
1713                 }
1714
1715         } catch (e) {
1716                 exception_error("postClicked");
1717         }
1718 }
1719
1720 function hlOpenInNewTab(event, id) {
1721         toggleUnread(id, 0, false);
1722         zoomToArticle(event, id);
1723 }
1724
1725 function postOpenInNewTab(event, id) {
1726         closeArticlePanel(id);
1727         zoomToArticle(event, id);
1728 }
1729
1730 function hlClicked(event, id) {
1731         try {
1732                 if (event.which == 2) {
1733                         view(id);
1734                         return true;
1735                 } else if (event.altKey) {
1736                         openArticleInNewWindow(id);
1737                 } else if (!event.ctrlKey) {
1738                         view(id);
1739                         return false;
1740                 } else {
1741                         toggleSelected(id);
1742                         toggleUnread(id, 0, false);
1743                         zoomToArticle(event, id);
1744                         return false;
1745                 }
1746
1747         } catch (e) {
1748                 exception_error("hlClicked");
1749         }
1750 }
1751
1752 function getFirstVisibleHeadlineId() {
1753         var rows = getVisibleArticleIds();
1754         return rows[0];
1755
1756 }
1757
1758 function getLastVisibleHeadlineId() {
1759         var rows = getVisibleArticleIds();
1760         return rows[rows.length-1];
1761 }
1762
1763 function openArticleInNewWindow(id) {
1764         toggleUnread(id, 0, false);
1765         window.open("backend.php?op=la&id=" + id);
1766 }
1767
1768 function isCdmMode() {
1769         return getInitParam("combined_display_mode");
1770 }
1771
1772 function markHeadline(id) {
1773         var row = $("RROW-" + id);
1774         if (row) {
1775                 var check = $("RCHK-" + id);
1776
1777                 if (check) {
1778                         check.checked = true;
1779                 }
1780
1781                 row.addClassName("Selected");
1782         }
1783 }
1784
1785 function getRelativePostIds(id, limit) {
1786
1787         var tmp = [];
1788
1789         try {
1790
1791                 if (!limit) limit = 6; //3
1792
1793                 var ids = getVisibleArticleIds();
1794
1795                 for (var i = 0; i < ids.length; i++) {
1796                         if (ids[i] == id) {
1797                                 for (var k = 1; k <= limit; k++) {
1798                                         //if (i > k-1) tmp.push(ids[i-k]);
1799                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1800                                 }
1801                                 break;
1802                         }
1803                 }
1804
1805         } catch (e) {
1806                 exception_error("getRelativePostIds", e);
1807         }
1808
1809         return tmp;
1810 }
1811
1812 function correctHeadlinesOffset(id) {
1813
1814         try {
1815
1816                 var container = $("headlines-frame");
1817                 var row = $("RROW-" + id);
1818
1819                 var viewport = container.offsetHeight;
1820
1821                 var rel_offset_top = row.offsetTop - container.scrollTop;
1822                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1823
1824                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1825                 //console.log("Vport: " + viewport);
1826
1827                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1828                         container.scrollTop = row.offsetTop;
1829                 } else if (rel_offset_bottom > viewport) {
1830
1831                         /* doesn't properly work with Opera in some cases because
1832                                 Opera fucks up element scrolling */
1833
1834                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1835                 }
1836
1837         } catch (e) {
1838                 exception_error("correctHeadlinesOffset", e);
1839         }
1840
1841 }
1842
1843 function headlineActionsChange(elem) {
1844         try {
1845                 eval(elem.value);
1846                 elem.attr('value', 'false');
1847         } catch (e) {
1848                 exception_error("headlineActionsChange", e);
1849         }
1850 }
1851
1852 function closeArticlePanel() {
1853
1854         var tabs = dijit.byId("content-tabs");
1855         var child = tabs.selectedChildWidget;
1856
1857         if (child && tabs.getIndexOfChild(child) > 0) {
1858                 tabs.removeChild(child);
1859                 child.destroy();
1860         } else {
1861                 if (dijit.byId("content-insert"))
1862                         dijit.byId("headlines-wrap-inner").removeChild(
1863                                 dijit.byId("content-insert"));
1864         }
1865 }
1866
1867 function initHeadlinesMenu() {
1868         try {
1869                 if (dijit.byId("headlinesMenu"))
1870                         dijit.byId("headlinesMenu").destroyRecursive();
1871
1872                 var ids = [];
1873
1874                 if (!isCdmMode()) {
1875                         nodes = $$("#headlines-frame > div[id*=RROW]");
1876                 } else {
1877                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1878                 }
1879
1880                 nodes.each(function(node) {
1881                         ids.push(node.id);
1882                 });
1883
1884                 var menu = new dijit.Menu({
1885                         id: "headlinesMenu",
1886                         targetNodeIds: ids,
1887                 });
1888
1889                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1890                         var callerNode = event.target, match = null, tries = 0;
1891
1892                         while (match == null && callerNode && tries <= 3) {
1893                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1894                                 callerNode = callerNode.parentNode;
1895                                 ++tries;
1896                         }
1897
1898                         if (match) this.callerRowId = parseInt(match[1]);
1899
1900                 });
1901
1902 /*              if (!isCdmMode())
1903                         menu.addChild(new dijit.MenuItem({
1904                                 label: __("View article"),
1905                                 onClick: function(event) {
1906                                         view(this.getParent().callerRowId);
1907                                 }})); */
1908
1909                 menu.addChild(new dijit.MenuItem({
1910                         label: __("Open original article"),
1911                         onClick: function(event) {
1912                                 openArticleInNewWindow(this.getParent().callerRowId);
1913                         }}));
1914
1915                 menu.addChild(new dijit.MenuItem({
1916                         label: __("View in a tt-rss tab"),
1917                         onClick: function(event) {
1918                                 hlOpenInNewTab(event, this.getParent().callerRowId);
1919                                 }}));
1920
1921 //              menu.addChild(new dijit.MenuSeparator());
1922
1923                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1924
1925                 if (labels) {
1926
1927                         menu.addChild(new dijit.MenuSeparator());
1928
1929                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1930                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1931
1932                         labels.each(function(label) {
1933                                 var id = label.id[0];
1934                                 var bare_id = id.substr(id.indexOf(":")+1);
1935                                 var name = label.name[0];
1936
1937                                 bare_id = -11-bare_id;
1938
1939                                 labelAddMenu.addChild(new dijit.MenuItem({
1940                                         label: name,
1941                                         labelId: bare_id,
1942                                         onClick: function(event) {
1943                                                 selectionAssignLabel(this.labelId,
1944                                                         [this.getParent().ownerMenu.callerRowId]);
1945                                 }}));
1946
1947                                 labelDelMenu.addChild(new dijit.MenuItem({
1948                                         label: name,
1949                                         labelId: bare_id,
1950                                         onClick: function(event) {
1951                                                 selectionRemoveLabel(this.labelId,
1952                                                         [this.getParent().ownerMenu.callerRowId]);
1953                                 }}));
1954
1955                         });
1956
1957                         menu.addChild(new dijit.PopupMenuItem({
1958                                 label: __("Assign label"),
1959                                 popup: labelAddMenu,
1960                         }));
1961
1962                         menu.addChild(new dijit.PopupMenuItem({
1963                                 label: __("Remove label"),
1964                                 popup: labelDelMenu,
1965                         }));
1966
1967                 }
1968
1969                 menu.startup();
1970
1971         } catch (e) {
1972                 exception_error("initHeadlinesMenu", e);
1973         }
1974 }
1975
1976 function tweetArticle(id) {
1977         try {
1978                 var query = "?op=rpc&subop=getTweetInfo&id=" + param_escape(id);
1979
1980                 console.log(query);
1981
1982                 var d = new Date();
1983       var ts = d.getTime();
1984
1985                 var w = window.open('backend.php?op=loading', 'ttrss_tweet',
1986                         "status=0,toolbar=0,location=0,width=500,height=400,scrollbars=1,menubar=0");
1987
1988                 new Ajax.Request("backend.php", {
1989                         parameters: query,
1990                         onComplete: function(transport) {
1991                                 var ti = JSON.parse(transport.responseText);
1992
1993                                 var share_url = "http://twitter.com/share?_=" + ts +
1994                                         "&text=" + param_escape(ti.title) +
1995                                         "&url=" + param_escape(ti.link);
1996
1997                                 w.location.href = share_url;
1998
1999                         } });
2000
2001
2002         } catch (e) {
2003                 exception_error("tweetArticle", e);
2004         }
2005 }
2006
2007 function editArticleNote(id) {
2008         try {
2009
2010                 var query = "backend.php?op=dlg&id=editArticleNote&param=" + param_escape(id);
2011
2012                 if (dijit.byId("editNoteDlg"))
2013                         dijit.byId("editNoteDlg").destroyRecursive();
2014
2015                 dialog = new dijit.Dialog({
2016                         id: "editNoteDlg",
2017                         title: __("Edit article note"),
2018                         style: "width: 600px",
2019                         execute: function() {
2020                                 if (this.validate()) {
2021                                         var query = dojo.objectToQuery(this.attr('value'));
2022
2023                                         notify_progress("Saving article note...", true);
2024
2025                                         new Ajax.Request("backend.php", {
2026                                         parameters: query,
2027                                         onComplete: function(transport) {
2028                                                 notify('');
2029                                                 dialog.hide();
2030
2031                                                 var reply = JSON.parse(transport.responseText);
2032
2033                                                 cache_delete("article:" + id);
2034
2035                                                 var elem = $("POSTNOTE-" + id);
2036
2037                                                 if (elem) {
2038                                                         Element.hide(elem);
2039                                                         elem.innerHTML = reply.note;
2040
2041                                                         if (reply.raw_length != 0)
2042                                                                 new Effect.Appear(elem);
2043                                                 }
2044
2045                                         }});
2046                                 }
2047                         },
2048                         href: query,
2049                 });
2050
2051                 dialog.show();
2052
2053         } catch (e) {
2054                 exception_error("editArticleNote", e);
2055         }
2056 }
2057
2058 function player(elem) {
2059         var aid = elem.getAttribute("audio-id");
2060         var status = elem.getAttribute("status");
2061
2062         var audio = $(aid);
2063
2064         if (audio) {
2065                 if (status == 0) {
2066                         audio.play();
2067                         status = 1;
2068                         elem.innerHTML = __("Playing...");
2069                         elem.title = __("Click to pause");
2070                         elem.addClassName("playing");
2071                 } else {
2072                         audio.pause();
2073                         status = 0;
2074                         elem.innerHTML = __("Play");
2075                         elem.title = __("Click to play");
2076                         elem.removeClassName("playing");
2077                 }
2078
2079                 elem.setAttribute("status", status);
2080         } else {
2081                 alert("Your browser doesn't seem to support HTML5 audio.");
2082         }
2083 }
2084
2085 function cache_set(id, obj) {
2086         //console.log("cache_set: " + id);
2087         if (has_storage)
2088                 try {
2089                         sessionStorage[id] = obj;
2090                 } catch (e) {
2091                         sessionStorage.clear();
2092                 }
2093 }
2094
2095 function cache_get(id) {
2096         if (has_storage)
2097                 return sessionStorage[id];
2098 }
2099
2100 function cache_clear() {
2101         if (has_storage)
2102                 sessionStorage.clear();
2103 }
2104
2105 function cache_delete(id) {
2106         if (has_storage)
2107                 sessionStorage.removeItem(id);
2108 }
2109
2110 function cache_headlines(feed, is_cat, toolbar_obj, content_obj) {
2111         if (toolbar_obj && content_obj) {
2112                 cache_set("feed:" + feed + ":" + is_cat,
2113                         JSON.stringify({toolbar: toolbar_obj, content: content_obj}));
2114         } else {
2115                 try {
2116                         obj =   cache_get("feed:" + feed + ":" + is_cat);
2117
2118                         if (obj) {
2119                                 obj = JSON.parse(obj);
2120
2121                                 if (toolbar_obj) obj.toolbar = toolbar_obj;
2122                                 if (content_obj) obj.content = content_obj;
2123
2124                                 cache_set("feed:" + feed + ":" + is_cat, JSON.stringify(obj));
2125                         }
2126
2127                 } catch (e) {
2128                         console.warn("cache_headlines failed: " + e);
2129                 }
2130         }
2131 }
2132
2133 function render_local_headlines(feed, is_cat, obj) {
2134         try {
2135
2136                 dijit.byId("headlines-toolbar").attr('content',
2137                         obj.toolbar);
2138
2139                 dijit.byId("headlines-frame").attr('content',
2140                         obj.content);
2141
2142                 dojo.parser.parse('headlines-toolbar');
2143
2144                 $("headlines-frame").scrollTop = 0;
2145                 selectArticles('none');
2146                 setActiveFeedId(feed, is_cat);
2147                 initHeadlinesMenu();
2148
2149                 precache_headlines();
2150
2151         } catch (e) {
2152                 exception_error("render_local_headlines", e);
2153         }
2154 }
2155
2156 function precache_headlines_idle() {
2157         try {
2158                 if (!feed_precache_timeout_id) {
2159                         var feeds = dijit.byId("feedTree").getVisibleUnreadFeeds();
2160                         var uncached = [];
2161
2162                         feeds.each(function(item) {
2163                                 if (parseInt(item[0]) > 0 && !cache_get("feed:" + item[0] + ":" + item[1]))
2164                                         uncached.push(item);
2165                         });
2166
2167                         if (uncached.length > 0) {
2168                                 var rf = uncached[Math.floor(Math.random()*uncached.length)];
2169                                 viewfeed(rf[0], '', rf[1], 0, true);
2170                         }
2171                 }
2172                 precache_idle_timeout_id = setTimeout("precache_headlines_idle()", 5000);
2173
2174         } catch (e) {
2175                 exception_error("precache_headlines_idle", e);
2176         }
2177 }
2178
2179 function precache_headlines() {
2180         try {
2181
2182                 if (!feed_precache_timeout_id) {
2183                         feed_precache_timeout_id = window.setTimeout(function() {
2184                                 var nuf = getNextUnreadFeed(getActiveFeedId(), activeFeedIsCat());
2185                                 var nf = dijit.byId("feedTree").getNextFeed(getActiveFeedId(), activeFeedIsCat());
2186
2187                                 if (nuf && !cache_get("feed:" + nuf + ":" + activeFeedIsCat()))
2188                                         viewfeed(nuf, '', activeFeedIsCat(), 0, true);
2189
2190                                 if (nf != nuf && nf && !cache_get("feed:" + nf[0] + ":" + nf[1]))
2191                                         viewfeed(nf[0], '', nf[1], 0, true);
2192
2193                                 window.setTimeout(function() {
2194                                         feed_precache_timeout_id = false;
2195                                         }, 3000);
2196                         }, 1000);
2197                 }
2198
2199         } catch (e) {
2200                 exception_error("precache_headlines", e);
2201         }
2202 }
2203
2204 function shareArticle(id) {
2205         try {
2206                 if (dijit.byId("shareArticleDlg"))
2207                         dijit.byId("shareArticleDlg").destroyRecursive();
2208
2209                 var query = "backend.php?op=dlg&id=shareArticle&param=" + param_escape(id);
2210
2211                 dialog = new dijit.Dialog({
2212                         id: "shareArticleDlg",
2213                         title: __("Share article by URL"),
2214                         style: "width: 600px",
2215                         href: query});
2216
2217                 dialog.show();
2218
2219         } catch (e) {
2220                 exception_error("emailArticle", e);
2221         }
2222 }
2223
2224