viewfeed.js

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