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, infscroll_req) {
  20         try {
  21                 handle_rpc_json(transport);
  22
  23                 loading_set_progress(25);
  24
  25                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  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                                 var content = reply['headlines']['content'];
  45
  46                                 if (getInitParam("cdm_auto_catchup") == 1) {
  47                                         content = content + "<div id='headlines-spacer'></div>";
  48                                 }
  49
  50                                 cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], content);
  51                                 return;
  52                         }
  53
  54                         setActiveFeedId(feed_id, is_cat);
  55
  56                         try {
  57                                 if (offset == 0 && infscroll_req == false) {
  58                                         $("headlines-frame").scrollTop = 0;
  59                                 }
  60                         } catch (e) { };
  61
  62                         var headlines_count = reply['headlines-info']['count'];
  63
  64                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  65
  66                         if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
  67                                 _infscroll_disable = 1;
  68                         } else {
  69                                 _infscroll_disable = 0;
  70                         }
  71
  72                         var counters = reply['counters'];
  73                         var articles = reply['articles'];
  74                         var runtime_info = reply['runtime-info'];
  75
  76                         if (offset == 0 && infscroll_req == false) {
  77                                 dijit.byId("headlines-frame").attr('content',
  78                                         reply['headlines']['content']);
  79
  80                                 dijit.byId("headlines-toolbar").attr('content',
  81                                         reply['headlines']['toolbar']);
  82
  83
  84                                 if (getInitParam("cdm_auto_catchup") == 1) {
  85                                         var hsp = $("headlines-spacer");
  86                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
  87                                         dijit.byId('headlines-frame').domNode.appendChild(hsp);
  88                                 }
  89
  90                                 initHeadlinesMenu();
  91
  92                         } else {
  93
  94                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
  95                                         console.log("adding some more headlines...");
  96
  97                                         var c = dijit.byId("headlines-frame");
  98                                         var ids = getSelectedArticleIds2();
  99
 100                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 101
 102                                         var hsp = $("headlines-spacer");
 103
 104                                         if (hsp)
 105                                                 c.domNode.removeChild(hsp);
 106
 107                                         $$("#headlines-tmp > div").each(function(row) {
 108                                                 if ($$("#headlines-frame DIV[id="+row.id+"]").length == 0) {
 109                                                         row.style.display = 'none';
 110                                                         c.domNode.appendChild(row);
 111                                                 } else {
 112                                                         row.parentNode.removeChild(row);
 113                                                 }
 114                                         });
 115
 116                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 117
 118                                         fixHeadlinesOrder(getLoadedArticleIds());
 119
 120                                         if (getInitParam("cdm_auto_catchup") == 1) {
 121                                                 c.domNode.appendChild(hsp);
 122                                         }
 123
 124                                         console.log("restore selected ids: " + ids);
 125
 126                                         for (var i = 0; i < ids.length; i++) {
 127                                                 markHeadline(ids[i]);
 128                                         }
 129
 130                                         initHeadlinesMenu();
 131
 132                                         $$("#headlines-frame > div[id*=RROW]").each(
 133                                         function(child) {
 134                                                 if (!Element.visible(child))
 135                                                         new Effect.Appear(child, { duration : 0.5 });
 136                                         });
 137
 138                                 } else {
 139                                         console.log("no new headlines received");
 140
 141                                         var hsp = $("headlines-spacer");
 142
 143                                         if (hsp) hsp.innerHTML = "";
 144                                 }
 145                         }
 146
 147                         if (headlines_count > 0)
 148                                 cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], $("headlines-frame").innerHTML);
 149
 150                         if (articles) {
 151                                 for (var i = 0; i < articles.length; i++) {
 152                                         var a_id = articles[i]['id'];
 153                                         cache_set("article:" + a_id, articles[i]['content']);
 154                                 }
 155                         } else {
 156                                 console.log("no cached articles received");
 157                         }
 158
 159                         // do not precache stuff after fresh feed
 160                         if (feed_id != -3)
 161                                 precache_headlines();
 162
 163                         if (counters)
 164                                 parse_counters(counters);
 165                         else
 166                                 request_counters();
 167
 168                 } else {
 169                         console.error("Invalid object received: " + transport.responseText);
 170                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 171                                         __('Could not update headlines (invalid object received - see error console for details)') +
 172                                         "</div>");
 173                 }
 174
 175                 _infscroll_request_sent = 0;
 176
 177                 notify("");
 178
 179         } catch (e) {
 180                 exception_error("headlines_callback2", e, transport);
 181         }
 182 }
 183
 184 function render_article(article) {
 185         try {
 186                 dijit.byId("headlines-wrap-inner").addChild(
 187                                 dijit.byId("content-insert"));
 188
 189                 var c = dijit.byId("content-insert");
 190
 191                 try {
 192                         c.domNode.scrollTop = 0;
 193                 } catch (e) { };
 194
 195                 c.attr('content', article);
 196
 197                 correctHeadlinesOffset(getActiveArticleId());
 198
 199                 try {
 200                         c.focus();
 201                 } catch (e) { };
 202
 203         } catch (e) {
 204                 exception_error("render_article", e);
 205         }
 206 }
 207
 208 function showArticleInHeadlines(id) {
 209
 210         try {
 211
 212                 selectArticles("none");
 213
 214                 var crow = $("RROW-" + id);
 215
 216                 if (!crow) return;
 217
 218                 var article_is_unread = crow.hasClassName("Unread");
 219
 220                 crow.removeClassName("Unread");
 221
 222                 selectArticles('none');
 223
 224                 var upd_img_pic = $("FUPDPIC-" + id);
 225
 226                 var view_mode = false;
 227
 228                 try {
 229                         view_mode = document.forms['main_toolbar_form'].view_mode;
 230                         view_mode = view_mode[view_mode.selectedIndex].value;
 231                 } catch (e) {
 232                         //
 233                 }
 234
 235                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 236                                         upd_img_pic.src.match("fresh_sign.png"))) {
 237
 238                         upd_img_pic.src = "images/blank_icon.gif";
 239
 240                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 241
 242                 } else if (article_is_unread && view_mode == "all_articles") {
 243                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 244                 }
 245
 246                 markHeadline(id);
 247
 248                 if (article_is_unread)
 249                         _force_scheduled_update = true;
 250
 251         } catch (e) {
 252                 exception_error("showArticleInHeadlines", e);
 253         }
 254 }
 255
 256 function article_callback2(transport, id) {
 257         try {
 258                 console.log("article_callback2 " + id);
 259
 260                 handle_rpc_json(transport);
 261
 262                 var reply = false;
 263
 264                 try {
 265                         reply = JSON.parse(transport.responseText);
 266                 } catch (e) {
 267                         console.error(e);
 268                 }
 269
 270                 if (reply) {
 271
 272                         var upic = $('FUPDPIC-' + id);
 273
 274                         if (upic) upic.src = 'images/blank_icon.gif';
 275
 276                         reply.each(function(article) {
 277                                 if (active_post_id == article['id']) {
 278                                         render_article(article['content']);
 279                                 }
 280                                 cids_requested.remove(article['id']);
 281
 282                                 cache_set("article:" + article['id'], article['content']);
 283                         });
 284
 285 //                      if (id != last_requested_article) {
 286 //                              console.log("requested article id is out of sequence, aborting");
 287 //                              return;
 288 //                      }
 289
 290                 } else {
 291                         console.error("Invalid object received: " + transport.responseText);
 292
 293                         render_article("<div class='whiteBox'>" +
 294                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 295                 }
 296
 297                 request_counters();
 298
 299                 try {
 300                         if (!_infscroll_disable &&
 301                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 302
 303                                 loadMoreHeadlines();
 304                         }
 305                 } catch (e) {
 306                         console.warn(e);
 307                 }
 308
 309                 notify("");
 310         } catch (e) {
 311                 exception_error("article_callback2", e, transport);
 312         }
 313 }
 314
 315 function view(id) {
 316         try {
 317                 console.log("loading article: " + id);
 318
 319                 var cached_article = cache_get("article:" + id);
 320
 321                 console.log("cache check result: " + (cached_article != false));
 322
 323                 hideAuxDlg();
 324
 325                 var query = "?op=view&id=" + param_escape(id);
 326
 327                 var neighbor_ids = getRelativePostIds(id);
 328
 329                 /* only request uncached articles */
 330
 331                 var cids_to_request = [];
 332
 333                 for (var i = 0; i < neighbor_ids.length; i++) {
 334                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 335                                 if (!cache_get("article:" + neighbor_ids[i])) {
 336                                         cids_to_request.push(neighbor_ids[i]);
 337                                         cids_requested.push(neighbor_ids[i]);
 338                                 }
 339                 }
 340
 341                 console.log("additional ids: " + cids_to_request.toString());
 342
 343                 query = query + "&cids=" + cids_to_request.toString();
 344
 345                 var crow = $("RROW-" + id);
 346                 var article_is_unread = crow.hasClassName("Unread");
 347
 348                 active_post_id = id;
 349                 showArticleInHeadlines(id);
 350
 351                 precache_headlines();
 352
 353                 if (!cached_article) {
 354
 355                         var upic = $('FUPDPIC-' + id);
 356
 357                         if (upic) {
 358                                 upic.src = getInitParam("sign_progress");
 359                         }
 360
 361                 } else if (cached_article && article_is_unread) {
 362
 363                         query = query + "&mode=prefetch";
 364
 365                         render_article(cached_article);
 366
 367                 } else if (cached_article) {
 368
 369                         query = query + "&mode=prefetch_old";
 370                         render_article(cached_article);
 371
 372                         // if we don't need to request any relative ids, we might as well skip
 373                         // the server roundtrip altogether
 374                         if (cids_to_request.length == 0) {
 375
 376                                 try {
 377                                         if (!_infscroll_disable &&
 378                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 379
 380                                                         loadMoreHeadlines();
 381                                         }
 382                                 } catch (e) {
 383                                         console.warn(e);
 384                                 }
 385
 386                                 return;
 387                         }
 388                 }
 389
 390                 last_requested_article = id;
 391
 392                 console.log(query);
 393
 394                 new Ajax.Request("backend.php", {
 395                         parameters: query,
 396                         onComplete: function(transport) {
 397                                 article_callback2(transport, id);
 398                         } });
 399
 400                 return false;
 401
 402         } catch (e) {
 403                 exception_error("view", e);
 404         }
 405 }
 406
 407 function tMark(id) {
 408         return toggleMark(id);
 409 }
 410
 411 function tPub(id) {
 412         return togglePub(id);
 413 }
 414
 415 function toggleMark(id, client_only) {
 416         try {
 417                 var query = "?op=rpc&id=" + id + "&subop=mark";
 418
 419                 var img = $("FMPIC-" + id);
 420
 421                 if (!img) return;
 422
 423                 if (img.src.match("mark_unset")) {
 424                         img.src = img.src.replace("mark_unset", "mark_set");
 425                         img.alt = __("Unstar article");
 426                         query = query + "&mark=1";
 427
 428                 } else {
 429                         img.src = img.src.replace("mark_set", "mark_unset");
 430                         img.alt = __("Star article");
 431                         query = query + "&mark=0";
 432                 }
 433
 434                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 435
 436                 if (!client_only) {
 437                         new Ajax.Request("backend.php", {
 438                                 parameters: query,
 439                                 onComplete: function(transport) {
 440                                         handle_rpc_json(transport);
 441                                 } });
 442                 }
 443
 444         } catch (e) {
 445                 exception_error("toggleMark", e);
 446         }
 447 }
 448
 449 function togglePub(id, client_only, no_effects, note) {
 450         try {
 451                 var query = "?op=rpc&id=" + id + "&subop=publ";
 452
 453                 if (note != undefined) {
 454                         query = query + "&note=" + param_escape(note);
 455                 } else {
 456                         query = query + "&note=undefined";
 457                 }
 458
 459                 var img = $("FPPIC-" + id);
 460
 461                 if (!img) return;
 462
 463                 if (img.src.match("pub_unset") || note != undefined) {
 464                         img.src = img.src.replace("pub_unset", "pub_set");
 465                         img.alt = __("Unpublish article");
 466                         query = query + "&pub=1";
 467
 468                 } else {
 469                         img.src = img.src.replace("pub_set", "pub_unset");
 470                         img.alt = __("Publish article");
 471
 472                         query = query + "&pub=0";
 473                 }
 474
 475                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 476
 477                 if (!client_only) {
 478                         new Ajax.Request("backend.php", {
 479                                 parameters: query,
 480                                 onComplete: function(transport) {
 481                                         handle_rpc_json(transport);
 482                                 } });
 483                 }
 484
 485         } catch (e) {
 486                 exception_error("togglePub", e);
 487         }
 488 }
 489
 490 function moveToPost(mode) {
 491
 492         try {
 493
 494                 var rows = getVisibleArticleIds();
 495
 496                 var prev_id = false;
 497                 var next_id = false;
 498
 499                 if (!$('RROW-' + active_post_id)) {
 500                         active_post_id = false;
 501                 }
 502
 503                 if (active_post_id == false) {
 504                         next_id = getFirstVisibleHeadlineId();
 505                         prev_id = getLastVisibleHeadlineId();
 506                 } else {
 507                         for (var i = 0; i < rows.length; i++) {
 508                                 if (rows[i] == active_post_id) {
 509                                         prev_id = rows[i-1];
 510                                         next_id = rows[i+1];
 511                                 }
 512                         }
 513                 }
 514
 515                 if (mode == "next") {
 516                         if (next_id) {
 517                                 if (isCdmMode()) {
 518
 519                                         cdmExpandArticle(next_id);
 520                                         cdmScrollToArticleId(next_id);
 521
 522                                 } else {
 523                                         correctHeadlinesOffset(next_id);
 524                                         view(next_id, getActiveFeedId());
 525                                 }
 526                         }
 527                 }
 528
 529                 if (mode == "prev") {
 530                         if (prev_id) {
 531                                 if (isCdmMode()) {
 532                                         cdmExpandArticle(prev_id);
 533                                         cdmScrollToArticleId(prev_id);
 534                                 } else {
 535                                         correctHeadlinesOffset(prev_id);
 536                                         view(prev_id, getActiveFeedId());
 537                                 }
 538                         }
 539                 }
 540
 541         } catch (e) {
 542                 exception_error("moveToPost", e);
 543         }
 544 }
 545
 546 function toggleSelected(id, force_on) {
 547         try {
 548
 549                 var cb = $("RCHK-" + id);
 550                 var row = $("RROW-" + id);
 551
 552                 if (row) {
 553                         if (row.hasClassName('Selected') && !force_on) {
 554                                 row.removeClassName('Selected');
 555                                 if (cb) cb.checked = false;
 556                         } else {
 557                                 row.addClassName('Selected');
 558                                 if (cb) cb.checked = true;
 559                         }
 560                 }
 561         } catch (e) {
 562                 exception_error("toggleSelected", e);
 563         }
 564 }
 565
 566 function toggleUnread_afh(effect) {
 567         try {
 568
 569                 var elem = effect.element;
 570                 elem.style.backgroundColor = "";
 571
 572         } catch (e) {
 573                 exception_error("toggleUnread_afh", e);
 574         }
 575 }
 576
 577 function toggleUnread(id, cmode, effect) {
 578         try {
 579
 580                 var row = $("RROW-" + id);
 581                 if (row) {
 582                         if (cmode == undefined || cmode == 2) {
 583                                 if (row.hasClassName("Unread")) {
 584                                         row.removeClassName("Unread");
 585
 586                                         if (effect) {
 587                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 588                                                         afterFinish: toggleUnread_afh,
 589                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 590                                         }
 591
 592                                 } else {
 593                                         row.addClassName("Unread");
 594                                 }
 595
 596                         } else if (cmode == 0) {
 597
 598                                 row.removeClassName("Unread");
 599
 600                                 if (effect) {
 601                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 602                                                 afterFinish: toggleUnread_afh,
 603                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 604                                 }
 605
 606                         } else if (cmode == 1) {
 607                                 row.addClassName("Unread");
 608                         }
 609
 610                         if (cmode == undefined) cmode = 2;
 611
 612                         var query = "?op=rpc&subop=catchupSelected" +
 613                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 614
 615 //                      notify_progress("Loading, please wait...");
 616
 617                         new Ajax.Request("backend.php", {
 618                                 parameters: query,
 619                                 onComplete: function(transport) {
 620                                         handle_rpc_json(transport);
 621                                 } });
 622
 623                 }
 624
 625         } catch (e) {
 626                 exception_error("toggleUnread", e);
 627         }
 628 }
 629
 630 function selectionRemoveLabel(id, ids) {
 631         try {
 632
 633                 if (!ids) var ids = getSelectedArticleIds2();
 634
 635                 if (ids.length == 0) {
 636                         alert(__("No articles are selected."));
 637                         return;
 638                 }
 639
 640                 var query = "?op=rpc&subop=removeFromLabel&ids=" +
 641                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 642
 643                 console.log(query);
 644
 645                 new Ajax.Request("backend.php", {
 646                         parameters: query,
 647                         onComplete: function(transport) {
 648                                 handle_rpc_json(transport);
 649                                 show_labels_in_headlines(transport);
 650                         } });
 651
 652         } catch (e) {
 653                 exception_error("selectionAssignLabel", e);
 654
 655         }
 656 }
 657
 658 function selectionAssignLabel(id, ids) {
 659         try {
 660
 661                 if (!ids) ids = getSelectedArticleIds2();
 662
 663                 if (ids.length == 0) {
 664                         alert(__("No articles are selected."));
 665                         return;
 666                 }
 667
 668                 var query = "?op=rpc&subop=assignToLabel&ids=" +
 669                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 670
 671                 console.log(query);
 672
 673                 new Ajax.Request("backend.php", {
 674                         parameters: query,
 675                         onComplete: function(transport) {
 676                                 handle_rpc_json(transport);
 677                                 show_labels_in_headlines(transport);
 678                         } });
 679
 680         } catch (e) {
 681                 exception_error("selectionAssignLabel", e);
 682
 683         }
 684 }
 685
 686 function selectionToggleUnread(set_state, callback, no_error) {
 687         try {
 688                 var rows = getSelectedArticleIds2();
 689
 690                 if (rows.length == 0 && !no_error) {
 691                         alert(__("No articles are selected."));
 692                         return;
 693                 }
 694
 695                 for (i = 0; i < rows.length; i++) {
 696                         var row = $("RROW-" + rows[i]);
 697                         if (row) {
 698                                 if (set_state == undefined) {
 699                                         if (row.hasClassName("Unread")) {
 700                                                 row.removeClassName("Unread");
 701                                         } else {
 702                                                 row.addClassName("Unread");
 703                                         }
 704                                 }
 705
 706                                 if (set_state == false) {
 707                                         row.removeClassName("Unread");
 708                                 }
 709
 710                                 if (set_state == true) {
 711                                         row.addClassName("Unread");
 712                                 }
 713                         }
 714                 }
 715
 716                 if (rows.length > 0) {
 717
 718                         var cmode = "";
 719
 720                         if (set_state == undefined) {
 721                                 cmode = "2";
 722                         } else if (set_state == true) {
 723                                 cmode = "1";
 724                         } else if (set_state == false) {
 725                                 cmode = "0";
 726                         }
 727
 728                         var query = "?op=rpc&subop=catchupSelected" +
 729                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 730
 731                         notify_progress("Loading, please wait...");
 732
 733                         new Ajax.Request("backend.php", {
 734                                 parameters: query,
 735                                 onComplete: function(transport) {
 736                                         handle_rpc_json(transport);
 737                                         if (callback) callback(transport);
 738                                 } });
 739
 740                 }
 741
 742         } catch (e) {
 743                 exception_error("selectionToggleUnread", e);
 744         }
 745 }
 746
 747 function selectionToggleMarked() {
 748         try {
 749
 750                 var rows = getSelectedArticleIds2();
 751
 752                 if (rows.length == 0) {
 753                         alert(__("No articles are selected."));
 754                         return;
 755                 }
 756
 757                 for (i = 0; i < rows.length; i++) {
 758                         toggleMark(rows[i], true, true);
 759                 }
 760
 761                 if (rows.length > 0) {
 762
 763                         var query = "?op=rpc&subop=markSelected&ids=" +
 764                                 param_escape(rows.toString()) + "&cmode=2";
 765
 766                         new Ajax.Request("backend.php", {
 767                                 parameters: query,
 768                                 onComplete: function(transport) {
 769                                         handle_rpc_json(transport);
 770                                 } });
 771
 772                 }
 773
 774         } catch (e) {
 775                 exception_error("selectionToggleMarked", e);
 776         }
 777 }
 778
 779 function selectionTogglePublished() {
 780         try {
 781
 782                 var rows = getSelectedArticleIds2();
 783
 784                 if (rows.length == 0) {
 785                         alert(__("No articles are selected."));
 786                         return;
 787                 }
 788
 789                 for (i = 0; i < rows.length; i++) {
 790                         togglePub(rows[i], true, true);
 791                 }
 792
 793                 if (rows.length > 0) {
 794
 795                         var query = "?op=rpc&subop=publishSelected&ids=" +
 796                                 param_escape(rows.toString()) + "&cmode=2";
 797
 798                         new Ajax.Request("backend.php", {
 799                                 parameters: query,
 800                                 onComplete: function(transport) {
 801                                         handle_rpc_json(transport);
 802                                 } });
 803
 804                 }
 805
 806         } catch (e) {
 807                 exception_error("selectionToggleMarked", e);
 808         }
 809 }
 810
 811 function getSelectedArticleIds2() {
 812
 813         var rv = [];
 814
 815         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 816                 function(child) {
 817                         rv.push(child.id.replace("RROW-", ""));
 818                 });
 819
 820         return rv;
 821 }
 822
 823 function getLoadedArticleIds() {
 824         var rv = [];
 825
 826         var children = $$("#headlines-frame > div[id*=RROW-]");
 827
 828         children.each(function(child) {
 829                         rv.push(child.id.replace("RROW-", ""));
 830                 });
 831
 832         return rv;
 833
 834 }
 835
 836 // mode = all,none,unread,invert
 837 function selectArticles(mode) {
 838         try {
 839
 840                 var children = $$("#headlines-frame > div[id*=RROW]");
 841
 842                 children.each(function(child) {
 843                         var id = child.id.replace("RROW-", "");
 844                         var cb = $("RCHK-" + id);
 845
 846                         if (mode == "all") {
 847                                 child.addClassName("Selected");
 848                                 cb.checked = true;
 849                         } else if (mode == "unread") {
 850                                 if (child.hasClassName("Unread")) {
 851                                         child.addClassName("Selected");
 852                                         cb.checked = true;
 853                                 } else {
 854                                         child.removeClassName("Selected");
 855                                         cb.checked = false;
 856                                 }
 857                         } else if (mode == "invert") {
 858                                 if (child.hasClassName("Selected")) {
 859                                         child.removeClassName("Selected");
 860                                         cb.checked = false;
 861                                 } else {
 862                                         child.addClassName("Selected");
 863                                         cb.checked = true;
 864                                 }
 865
 866                         } else {
 867                                 child.removeClassName("Selected");
 868                                 cb.checked = false;
 869                         }
 870                 });
 871
 872         } catch (e) {
 873                 exception_error("selectArticles", e);
 874         }
 875 }
 876
 877 function catchupPage() {
 878
 879         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 880
 881         var str = __("Mark all visible articles in %s as read?");
 882
 883         str = str.replace("%s", fn);
 884
 885         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 886                 return;
 887         }
 888
 889         selectArticles('all');
 890         selectionToggleUnread(false, 'viewCurrentFeed()', true)
 891         selectArticles('none');
 892 }
 893
 894 function deleteSelection() {
 895
 896         try {
 897
 898                 var rows = getSelectedArticleIds2();
 899
 900                 if (rows.length == 0) {
 901                         alert(__("No articles are selected."));
 902                         return;
 903                 }
 904
 905                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 906                 var str;
 907                 var op;
 908
 909                 if (getActiveFeedId() != 0) {
 910                         str = __("Delete %d selected articles in %s?");
 911                 } else {
 912                         str = __("Delete %d selected articles?");
 913                 }
 914
 915                 str = str.replace("%d", rows.length);
 916                 str = str.replace("%s", fn);
 917
 918                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 919                         return;
 920                 }
 921
 922                 query = "?op=rpc&subop=delete&ids=" + param_escape(rows);
 923
 924                 console.log(query);
 925
 926                 new Ajax.Request("backend.php", {
 927                         parameters: query,
 928                         onComplete: function(transport) {
 929                                         handle_rpc_json(transport);
 930                                         viewCurrentFeed();
 931                                 } });
 932
 933         } catch (e) {
 934                 exception_error("deleteSelection", e);
 935         }
 936 }
 937
 938 function archiveSelection() {
 939
 940         try {
 941
 942                 var rows = getSelectedArticleIds2();
 943
 944                 if (rows.length == 0) {
 945                         alert(__("No articles are selected."));
 946                         return;
 947                 }
 948
 949                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 950                 var str;
 951                 var op;
 952
 953                 if (getActiveFeedId() != 0) {
 954                         str = __("Archive %d selected articles in %s?");
 955                         op = "archive";
 956                 } else {
 957                         str = __("Move %d archived articles back?");
 958                         op = "unarchive";
 959                 }
 960
 961                 str = str.replace("%d", rows.length);
 962                 str = str.replace("%s", fn);
 963
 964                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 965                         return;
 966                 }
 967
 968                 query = "?op=rpc&subop="+op+"&ids=" + param_escape(rows);
 969
 970                 console.log(query);
 971
 972                 for (var i = 0; i < rows.length; i++) {
 973                         cache_delete("article:" + rows[i]);
 974                 }
 975
 976                 new Ajax.Request("backend.php", {
 977                         parameters: query,
 978                         onComplete: function(transport) {
 979                                         handle_rpc_json(transport);
 980                                         viewCurrentFeed();
 981                                 } });
 982
 983         } catch (e) {
 984                 exception_error("archiveSelection", e);
 985         }
 986 }
 987
 988 function catchupSelection() {
 989
 990         try {
 991
 992                 var rows = getSelectedArticleIds2();
 993
 994                 if (rows.length == 0) {
 995                         alert(__("No articles are selected."));
 996                         return;
 997                 }
 998
 999                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1000
1001                 var str = __("Mark %d selected articles in %s as read?");
1002
1003                 str = str.replace("%d", rows.length);
1004                 str = str.replace("%s", fn);
1005
1006                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1007                         return;
1008                 }
1009
1010                 selectionToggleUnread(false, 'viewCurrentFeed()', true)
1011
1012         } catch (e) {
1013                 exception_error("catchupSelection", e);
1014         }
1015 }
1016
1017 function editArticleTags(id) {
1018                 var query = "backend.php?op=dlg&id=editArticleTags&param=" + param_escape(id);
1019
1020                 if (dijit.byId("editTagsDlg"))
1021                         dijit.byId("editTagsDlg").destroyRecursive();
1022
1023                 dialog = new dijit.Dialog({
1024                         id: "editTagsDlg",
1025                         title: __("Edit article Tags"),
1026                         style: "width: 600px",
1027                         execute: function() {
1028                                 if (this.validate()) {
1029                                         var query = dojo.objectToQuery(this.attr('value'));
1030
1031                                         notify_progress("Saving article tags...", true);
1032
1033                                         new Ajax.Request("backend.php", {
1034                                         parameters: query,
1035                                         onComplete: function(transport) {
1036                                                 notify('');
1037                                                 dialog.hide();
1038
1039                                                 var data = JSON.parse(transport.responseText);
1040
1041                                                 if (data) {
1042                                                         var tags_str = article.tags;
1043                                                         var id = tags_str.id;
1044
1045                                                         var tags = $("ATSTR-" + id);
1046                                                         var tooltip = dijit.byId("ATSTRTIP-" + id);
1047
1048                                                         if (tags) tags.innerHTML = tags_str.content;
1049                                                         if (tooltip) tooltip.attr('label', tags_str.content_full);
1050
1051                                                         cache_delete("article:" + id);
1052                                                 }
1053
1054                                         }});
1055                                 }
1056                         },
1057                         href: query,
1058                 });
1059
1060                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1061                 dojo.disconnect(tmph);
1062
1063                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1064                            "backend.php?op=rpc&subop=completeTags",
1065                            { tokens: ',', paramName: "search" });
1066                 });
1067
1068                 dialog.show();
1069
1070 }
1071
1072 function cdmScrollToArticleId(id) {
1073         try {
1074                 var ctr = $("headlines-frame");
1075                 var e = $("RROW-" + id);
1076
1077                 if (!e || !ctr) return;
1078
1079                 ctr.scrollTop = e.offsetTop;
1080
1081         } catch (e) {
1082                 exception_error("cdmScrollToArticleId", e);
1083         }
1084 }
1085
1086 function getActiveArticleId() {
1087         return active_post_id;
1088 }
1089
1090 function postMouseIn(id) {
1091         post_under_pointer = id;
1092 }
1093
1094 function postMouseOut(id) {
1095         post_under_pointer = false;
1096 }
1097
1098 function headlines_scroll_handler(e) {
1099         try {
1100                 var hsp = $("headlines-spacer");
1101
1102                 if (!_infscroll_disable) {
1103                         if (hsp && (e.scrollTop + e.offsetHeight > hsp.offsetTop) ||
1104                                         e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
1105
1106                                 if (hsp)
1107                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1108                                                 __("Loading, please wait...");
1109
1110                                 loadMoreHeadlines();
1111                                 return;
1112
1113                         }
1114                 } else {
1115                         if (hsp) hsp.innerHTML = "";
1116                 }
1117
1118                 if (getInitParam("cdm_auto_catchup") == 1) {
1119
1120                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1121                                 function(child) {
1122                                         if ($("headlines-frame").scrollTop >
1123                                                         (child.offsetTop + child.offsetHeight/2)) {
1124
1125                                                 var id = child.id.replace("RROW-", "");
1126
1127                                                 if (catchup_id_batch.indexOf(id) == -1)
1128                                                         catchup_id_batch.push(id);
1129
1130                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1131                                         }
1132                                 });
1133
1134                         if (catchup_id_batch.length > 0) {
1135                                 window.clearTimeout(catchup_timeout_id);
1136
1137                                 if (!_infscroll_request_sent) {
1138                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1139                                                 2000);
1140                                 }
1141                         }
1142                 }
1143
1144         } catch (e) {
1145                 console.warn("headlines_scroll_handler: " + e);
1146         }
1147 }
1148
1149 function catchupBatchedArticles() {
1150         try {
1151                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1152
1153                         var query = "?op=rpc&subop=catchupSelected" +
1154                                 "&cmode=0&ids=" + param_escape(catchup_id_batch.toString());
1155
1156                         new Ajax.Request("backend.php", {
1157                                 parameters: query,
1158                                 onComplete: function(transport) {
1159                                         handle_rpc_json(transport);
1160
1161                                         catchup_id_batch.each(function(id) {
1162                                                 var elem = $("RROW-" + id);
1163                                                 if (elem) elem.removeClassName("Unread");
1164                                         });
1165
1166                                         catchup_id_batch = [];
1167                                 } });
1168                 }
1169
1170         } catch (e) {
1171                 exception_error("catchupBatchedArticles", e);
1172         }
1173 }
1174
1175 function catchupRelativeToArticle(below) {
1176
1177         try {
1178
1179
1180                 if (!getActiveArticleId()) {
1181                         alert(__("No article is selected."));
1182                         return;
1183                 }
1184
1185                 var visible_ids = getVisibleArticleIds();
1186
1187                 var ids_to_mark = new Array();
1188
1189                 if (!below) {
1190                         for (var i = 0; i < visible_ids.length; i++) {
1191                                 if (visible_ids[i] != getActiveArticleId()) {
1192                                         var e = $("RROW-" + visible_ids[i]);
1193
1194                                         if (e && e.hasClassName("Unread")) {
1195                                                 ids_to_mark.push(visible_ids[i]);
1196                                         }
1197                                 } else {
1198                                         break;
1199                                 }
1200                         }
1201                 } else {
1202                         for (var i = visible_ids.length-1; i >= 0; i--) {
1203                                 if (visible_ids[i] != getActiveArticleId()) {
1204                                         var e = $("RROW-" + visible_ids[i]);
1205
1206                                         if (e && e.hasClassName("Unread")) {
1207                                                 ids_to_mark.push(visible_ids[i]);
1208                                         }
1209                                 } else {
1210                                         break;
1211                                 }
1212                         }
1213                 }
1214
1215                 if (ids_to_mark.length == 0) {
1216                         alert(__("No articles found to mark"));
1217                 } else {
1218                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1219
1220                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1221
1222                                 for (var i = 0; i < ids_to_mark.length; i++) {
1223                                         var e = $("RROW-" + ids_to_mark[i]);
1224                                         e.removeClassName("Unread");
1225                                 }
1226
1227                                 var query = "?op=rpc&subop=catchupSelected" +
1228                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1229
1230                                 new Ajax.Request("backend.php", {
1231                                         parameters: query,
1232                                         onComplete: function(transport) {
1233                                                 handle_rpc_json(transport);
1234                                         } });
1235
1236                         }
1237                 }
1238
1239         } catch (e) {
1240                 exception_error("catchupRelativeToArticle", e);
1241         }
1242 }
1243
1244 function cdmExpandArticle(id) {
1245         try {
1246
1247                 hideAuxDlg();
1248
1249                 var elem = $("CICD-" + active_post_id);
1250
1251                 var upd_img_pic = $("FUPDPIC-" + id);
1252
1253                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1254                                 upd_img_pic.src.match("fresh_sign.png"))) {
1255
1256                         upd_img_pic.src = "images/blank_icon.gif";
1257                 }
1258
1259                 if (id == active_post_id && Element.visible(elem))
1260                         return true;
1261
1262                 selectArticles("none");
1263
1264                 var old_offset = $("RROW-" + id).offsetTop;
1265
1266                 if (active_post_id && elem && !getInitParam("cdm_expanded")) {
1267                         Element.hide(elem);
1268                         Element.show("CEXC-" + active_post_id);
1269                 }
1270
1271                 active_post_id = id;
1272
1273                 elem = $("CICD-" + id);
1274
1275                 if (!Element.visible(elem)) {
1276                         Element.show(elem);
1277                         Element.hide("CEXC-" + id);
1278
1279                         if ($("CWRAP-" + id).innerHTML == "") {
1280
1281                                 $("FUPDPIC-" + id).src = "images/indicator_tiny.gif";
1282
1283                                 $("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" +
1284                                         __("Loading, please wait...") + "</div>";
1285
1286                                 var query = "?op=rpc&subop=cdmGetArticle&id=" + param_escape(id);
1287
1288                                 var neighbor_ids = getRelativePostIds(id);
1289
1290                                 /* only request uncached articles */
1291                                 var cids_to_request = [];
1292
1293                                 for (var i = 0; i < neighbor_ids.length; i++) {
1294                                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
1295                                                 if ($("CWRAP-" + neighbor_ids[i]).innerHTML == "") {
1296                                                         cids_to_request.push(neighbor_ids[i]);
1297                                                         cids_requested.push(neighbor_ids[i]);
1298                                                 }
1299                                 }
1300
1301                                 console.log("additional ids: " + cids_to_request.toString());
1302
1303                                 query = query + "&cids=" + cids_to_request.toString();
1304
1305                                 console.log(query);
1306
1307                                 new Ajax.Request("backend.php", {
1308                                         parameters: query,
1309                                         onComplete: function(transport) {
1310
1311                                                 $("FUPDPIC-" + id).src = 'images/blank_icon.gif';
1312
1313                                                 handle_rpc_json(transport);
1314
1315                                                 var reply = JSON.parse(transport.responseText);
1316
1317                                                 reply.each(function(article) {
1318                                                         $("CWRAP-" + article['id']).innerHTML = article['content']
1319                                                         cids_requested.remove(article['id']);
1320                                                 });
1321                                 }});
1322
1323                         }
1324                 }
1325
1326                 var new_offset = $("RROW-" + id).offsetTop;
1327
1328                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1329
1330                 if ($("RROW-" + id).offsetTop != old_offset)
1331                         $("headlines-frame").scrollTop = new_offset;
1332
1333                 toggleUnread(id, 0, true);
1334                 toggleSelected(id);
1335
1336         } catch (e) {
1337                 exception_error("cdmExpandArticle", e);
1338         }
1339
1340         return false;
1341 }
1342
1343 function fixHeadlinesOrder(ids) {
1344         try {
1345                 for (var i = 0; i < ids.length; i++) {
1346                         var e = $("RROW-" + ids[i]);
1347
1348                         if (e) {
1349                                 if (i % 2 == 0) {
1350                                         e.removeClassName("even");
1351                                         e.addClassName("odd");
1352                                 } else {
1353                                         e.removeClassName("odd");
1354                                         e.addClassName("even");
1355                                 }
1356                         }
1357                 }
1358         } catch (e) {
1359                 exception_error("fixHeadlinesOrder", e);
1360         }
1361 }
1362
1363 function getArticleUnderPointer() {
1364         return post_under_pointer;
1365 }
1366
1367 function zoomToArticle(event, id) {
1368         try {
1369                 var cached_article = cache_get("article: " + id);
1370
1371                 if (dijit.byId("ATAB-" + id))
1372                         if (!event || !event.shiftKey)
1373                                 return dijit.byId("content-tabs").selectChild(dijit.byId("ATAB-" + id));
1374
1375                 if (dijit.byId("ATSTRTIP-" + id))
1376                         dijit.byId("ATSTRTIP-" + id).destroyRecursive();
1377
1378                 if (cached_article) {
1379                         //closeArticlePanel();
1380
1381                         var article_pane = new dijit.layout.ContentPane({
1382                                 title: __("Loading...") , content: cached_article,
1383                                 style: 'padding : 0px;',
1384                                 id: 'ATAB-' + id,
1385                                 closable: true });
1386
1387                         dijit.byId("content-tabs").addChild(article_pane);
1388
1389                         if (!event || !event.shiftKey)
1390                                 dijit.byId("content-tabs").selectChild(article_pane);
1391
1392                         if ($("PTITLE-" + id))
1393                                 article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1394
1395                 } else {
1396
1397                         var query = "?op=rpc&subop=getArticles&ids=" + param_escape(id);
1398
1399                         notify_progress("Loading, please wait...", true);
1400
1401                         new Ajax.Request("backend.php", {
1402                                 parameters: query,
1403                                 onComplete: function(transport) {
1404                                         notify('');
1405
1406                                         var reply = JSON.parse(transport.responseText);
1407
1408                                         if (reply) {
1409                                                 //closeArticlePanel();
1410
1411                                                 var content = reply[0]['content'];
1412
1413                                                 var article_pane = new dijit.layout.ContentPane({
1414                                                         title: "article-" + id , content: content,
1415                                                         style: 'padding : 0px;',
1416                                                         id: 'ATAB-' + id,
1417                                                         closable: true });
1418
1419                                                 dijit.byId("content-tabs").addChild(article_pane);
1420
1421                                                 if (!event || !event.shiftKey)
1422                                                         dijit.byId("content-tabs").selectChild(article_pane);
1423
1424                                                 if ($("PTITLE-" + id))
1425                                                         article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1426                                         }
1427
1428                                 } });
1429                         }
1430
1431         } catch (e) {
1432                 exception_error("zoomToArticle", e);
1433         }
1434 }
1435
1436 function scrollArticle(offset) {
1437         try {
1438                 if (!isCdmMode()) {
1439                         var ci = $("content-insert");
1440                         if (ci) {
1441                                 ci.scrollTop += offset;
1442                         }
1443                 } else {
1444                         var hi = $("headlines-frame");
1445                         if (hi) {
1446                                 hi.scrollTop += offset;
1447                         }
1448
1449                 }
1450         } catch (e) {
1451                 exception_error("scrollArticle", e);
1452         }
1453 }
1454
1455 function show_labels_in_headlines(transport) {
1456         try {
1457                 var data = JSON.parse(transport.responseText);
1458
1459                 if (data) {
1460                         data['info-for-headlines'].each(function(elem) {
1461                                 var ctr = $("HLLCTR-" + elem.id);
1462
1463                                 if (ctr) ctr.innerHTML = elem.labels;
1464                         });
1465
1466                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
1467
1468                 }
1469         } catch (e) {
1470                 exception_error("show_labels_in_headlines", e);
1471         }
1472 }
1473
1474 /* function toggleHeadlineActions() {
1475         try {
1476                 var e = $("headlineActionsBody");
1477                 var p = $("headlineActionsDrop");
1478
1479                 if (!Element.visible(e)) {
1480                         Element.show(e);
1481                 } else {
1482                         Element.hide(e);
1483                 }
1484
1485                 e.scrollTop = 0;
1486                 e.style.left = (p.offsetLeft + 1) + "px";
1487                 e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
1488
1489         } catch (e) {
1490                 exception_error("toggleHeadlineActions", e);
1491         }
1492 } */
1493
1494 /* function publishWithNote(id, def_note) {
1495         try {
1496                 if (!def_note) def_note = '';
1497
1498                 var note = prompt(__("Please enter a note for this article:"), def_note);
1499
1500                 if (note != undefined) {
1501                         togglePub(id, false, false, note);
1502                 }
1503
1504         } catch (e) {
1505                 exception_error("publishWithNote", e);
1506         }
1507 } */
1508
1509 function emailArticle(id) {
1510         try {
1511                 if (!id) {
1512                         var ids = getSelectedArticleIds2();
1513
1514                         if (ids.length == 0) {
1515                                 alert(__("No articles are selected."));
1516                                 return;
1517                         }
1518
1519                         id = ids.toString();
1520                 }
1521
1522                 if (dijit.byId("emailArticleDlg"))
1523                         dijit.byId("emailArticleDlg").destroyRecursive();
1524
1525                 var query = "backend.php?op=dlg&id=emailArticle&param=" + param_escape(id);
1526
1527                 dialog = new dijit.Dialog({
1528                         id: "emailArticleDlg",
1529                         title: __("Forward article by email"),
1530                         style: "width: 600px",
1531                         execute: function() {
1532                                 if (this.validate()) {
1533
1534                                         new Ajax.Request("backend.php", {
1535                                                 parameters: dojo.objectToQuery(this.attr('value')),
1536                                                 onComplete: function(transport) {
1537
1538                                                         var reply = JSON.parse(transport.responseText);
1539
1540                                                         var error = reply['error'];
1541
1542                                                         if (error) {
1543                                                                 alert(__('Error sending email:') + ' ' + error);
1544                                                         } else {
1545                                                                 notify_info('Your message has been sent.');
1546                                                                 dialog.hide();
1547                                                         }
1548
1549                                         } });
1550                                 }
1551                         },
1552                         href: query});
1553
1554                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1555                 dojo.disconnect(tmph);
1556
1557                    new Ajax.Autocompleter('emailArticleDlg_destination', 'emailArticleDlg_dst_choices',
1558                            "backend.php?op=rpc&subop=completeEmails",
1559                            { tokens: '', paramName: "search" });
1560                 });
1561
1562                 dialog.show();
1563
1564                 /* displayDlg('emailArticle', id,
1565                    function () {
1566                                 document.forms['article_email_form'].destination.focus();
1567
1568                            new Ajax.Autocompleter('destination', 'destination_choices',
1569                                    "backend.php?op=rpc&subop=completeEmails",
1570                                    { tokens: '', paramName: "search" });
1571
1572                         }); */
1573
1574         } catch (e) {
1575                 exception_error("emailArticle", e);
1576         }
1577 }
1578
1579 function dismissArticle(id) {
1580         try {
1581                 var elem = $("RROW-" + id);
1582
1583                 toggleUnread(id, 0, true);
1584
1585                 new Effect.Fade(elem, {duration : 0.5});
1586
1587                 active_post_id = false;
1588
1589         } catch (e) {
1590                 exception_error("dismissArticle", e);
1591         }
1592 }
1593
1594 function dismissSelectedArticles() {
1595         try {
1596
1597                 var ids = getVisibleArticleIds();
1598                 var tmp = [];
1599                 var sel = [];
1600
1601                 for (var i = 0; i < ids.length; i++) {
1602                         var elem = $("RROW-" + ids[i]);
1603
1604                         if (elem.className && elem.hasClassName("Selected") &&
1605                                         ids[i] != active_post_id) {
1606                                 new Effect.Fade(elem, {duration : 0.5});
1607                                 sel.push(ids[i]);
1608                         } else {
1609                                 tmp.push(ids[i]);
1610                         }
1611                 }
1612
1613                 if (sel.length > 0)
1614                         selectionToggleUnread(false);
1615
1616                 fixHeadlinesOrder(tmp);
1617
1618         } catch (e) {
1619                 exception_error("dismissSelectedArticles", e);
1620         }
1621 }
1622
1623 function dismissReadArticles() {
1624         try {
1625
1626                 var ids = getVisibleArticleIds();
1627                 var tmp = [];
1628
1629                 for (var i = 0; i < ids.length; i++) {
1630                         var elem = $("RROW-" + ids[i]);
1631
1632                         if (elem.className && !elem.hasClassName("Unread") &&
1633                                         !elem.hasClassName("Selected")) {
1634
1635                                 new Effect.Fade(elem, {duration : 0.5});
1636                         } else {
1637                                 tmp.push(ids[i]);
1638                         }
1639                 }
1640
1641                 fixHeadlinesOrder(tmp);
1642
1643         } catch (e) {
1644                 exception_error("dismissSelectedArticles", e);
1645         }
1646 }
1647
1648 function getVisibleArticleIds() {
1649         var ids = [];
1650
1651         try {
1652
1653                 getLoadedArticleIds().each(function(id) {
1654                         var elem = $("RROW-" + id);
1655                         if (elem && Element.visible(elem))
1656                                 ids.push(id);
1657                         });
1658
1659         } catch (e) {
1660                 exception_error("getVisibleArticleIds", e);
1661         }
1662
1663         return ids;
1664 }
1665
1666 function cdmClicked(event, id) {
1667         try {
1668                 var shift_key = event.shiftKey;
1669
1670                 hideAuxDlg();
1671
1672                 if (!event.ctrlKey) {
1673
1674                         if (!getInitParam("cdm_expanded")) {
1675                                 return cdmExpandArticle(id);
1676                         } else {
1677
1678                                 selectArticles("none");
1679                                 toggleSelected(id);
1680
1681                                 var elem = $("RROW-" + id);
1682
1683                                 if (elem)
1684                                         elem.removeClassName("Unread");
1685
1686                                 var upd_img_pic = $("FUPDPIC-" + id);
1687
1688                                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1689                                                 upd_img_pic.src.match("fresh_sign.png"))) {
1690
1691                                         upd_img_pic.src = "images/blank_icon.gif";
1692                                 }
1693
1694                                 active_post_id = id;
1695
1696                                 var query = "?op=rpc&subop=catchupSelected" +
1697                                         "&cmode=0&ids=" + param_escape(id);
1698
1699                                 new Ajax.Request("backend.php", {
1700                                         parameters: query,
1701                                         onComplete: function(transport) {
1702                                                 handle_rpc_json(transport);
1703                                         } });
1704
1705                                 return true;
1706                         }
1707
1708                 } else {
1709                         toggleSelected(id, true);
1710                         toggleUnread(id, 0, false);
1711                         zoomToArticle(event, id);
1712                 }
1713
1714         } catch (e) {
1715                 exception_error("cdmClicked");
1716         }
1717
1718         return false;
1719 }
1720
1721 function postClicked(event, id) {
1722         try {
1723
1724                 if (!event.ctrlKey) {
1725                         return true;
1726                 } else {
1727                         postOpenInNewTab(event, id);
1728                         return false;
1729                 }
1730
1731         } catch (e) {
1732                 exception_error("postClicked");
1733         }
1734 }
1735
1736 function hlOpenInNewTab(event, id) {
1737         toggleUnread(id, 0, false);
1738         zoomToArticle(event, id);
1739 }
1740
1741 function postOpenInNewTab(event, id) {
1742         closeArticlePanel(id);
1743         zoomToArticle(event, id);
1744 }
1745
1746 function hlClicked(event, id) {
1747         try {
1748                 if (event.which == 2) {
1749                         view(id);
1750                         return true;
1751                 } else if (event.altKey) {
1752                         openArticleInNewWindow(id);
1753                 } else if (!event.ctrlKey) {
1754                         view(id);
1755                         return false;
1756                 } else {
1757                         toggleSelected(id);
1758                         toggleUnread(id, 0, false);
1759                         zoomToArticle(event, id);
1760                         return false;
1761                 }
1762
1763         } catch (e) {
1764                 exception_error("hlClicked");
1765         }
1766 }
1767
1768 function getFirstVisibleHeadlineId() {
1769         var rows = getVisibleArticleIds();
1770         return rows[0];
1771
1772 }
1773
1774 function getLastVisibleHeadlineId() {
1775         var rows = getVisibleArticleIds();
1776         return rows[rows.length-1];
1777 }
1778
1779 function openArticleInNewWindow(id) {
1780         toggleUnread(id, 0, false);
1781         window.open("backend.php?op=la&id=" + id);
1782 }
1783
1784 function isCdmMode() {
1785         return getInitParam("combined_display_mode");
1786 }
1787
1788 function markHeadline(id) {
1789         var row = $("RROW-" + id);
1790         if (row) {
1791                 var check = $("RCHK-" + id);
1792
1793                 if (check) {
1794                         check.checked = true;
1795                 }
1796
1797                 row.addClassName("Selected");
1798         }
1799 }
1800
1801 function getRelativePostIds(id, limit) {
1802
1803         var tmp = [];
1804
1805         try {
1806
1807                 if (!limit) limit = 6; //3
1808
1809                 var ids = getVisibleArticleIds();
1810
1811                 for (var i = 0; i < ids.length; i++) {
1812                         if (ids[i] == id) {
1813                                 for (var k = 1; k <= limit; k++) {
1814                                         //if (i > k-1) tmp.push(ids[i-k]);
1815                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1816                                 }
1817                                 break;
1818                         }
1819                 }
1820
1821         } catch (e) {
1822                 exception_error("getRelativePostIds", e);
1823         }
1824
1825         return tmp;
1826 }
1827
1828 function correctHeadlinesOffset(id) {
1829
1830         try {
1831
1832                 var container = $("headlines-frame");
1833                 var row = $("RROW-" + id);
1834
1835                 var viewport = container.offsetHeight;
1836
1837                 var rel_offset_top = row.offsetTop - container.scrollTop;
1838                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1839
1840                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1841                 //console.log("Vport: " + viewport);
1842
1843                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1844                         container.scrollTop = row.offsetTop;
1845                 } else if (rel_offset_bottom > viewport) {
1846
1847                         /* doesn't properly work with Opera in some cases because
1848                                 Opera fucks up element scrolling */
1849
1850                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1851                 }
1852
1853         } catch (e) {
1854                 exception_error("correctHeadlinesOffset", e);
1855         }
1856
1857 }
1858
1859 function headlineActionsChange(elem) {
1860         try {
1861                 eval(elem.value);
1862                 elem.attr('value', 'false');
1863         } catch (e) {
1864                 exception_error("headlineActionsChange", e);
1865         }
1866 }
1867
1868 function closeArticlePanel() {
1869
1870         var tabs = dijit.byId("content-tabs");
1871         var child = tabs.selectedChildWidget;
1872
1873         if (child && tabs.getIndexOfChild(child) > 0) {
1874                 tabs.removeChild(child);
1875                 child.destroy();
1876         } else {
1877                 if (dijit.byId("content-insert"))
1878                         dijit.byId("headlines-wrap-inner").removeChild(
1879                                 dijit.byId("content-insert"));
1880         }
1881 }
1882
1883 function initHeadlinesMenu() {
1884         try {
1885                 if (dijit.byId("headlinesMenu"))
1886                         dijit.byId("headlinesMenu").destroyRecursive();
1887
1888                 var ids = [];
1889
1890                 if (!isCdmMode()) {
1891                         nodes = $$("#headlines-frame > div[id*=RROW]");
1892                 } else {
1893                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1894                 }
1895
1896                 nodes.each(function(node) {
1897                         ids.push(node.id);
1898                 });
1899
1900                 var menu = new dijit.Menu({
1901                         id: "headlinesMenu",
1902                         targetNodeIds: ids,
1903                 });
1904
1905                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1906                         var callerNode = event.target, match = null, tries = 0;
1907
1908                         while (match == null && callerNode && tries <= 3) {
1909                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1910                                 callerNode = callerNode.parentNode;
1911                                 ++tries;
1912                         }
1913
1914                         if (match) this.callerRowId = parseInt(match[1]);
1915
1916                 });
1917
1918 /*              if (!isCdmMode())
1919                         menu.addChild(new dijit.MenuItem({
1920                                 label: __("View article"),
1921                                 onClick: function(event) {
1922                                         view(this.getParent().callerRowId);
1923                                 }})); */
1924
1925                 menu.addChild(new dijit.MenuItem({
1926                         label: __("Open original article"),
1927                         onClick: function(event) {
1928                                 openArticleInNewWindow(this.getParent().callerRowId);
1929                         }}));
1930
1931                 menu.addChild(new dijit.MenuItem({
1932                         label: __("View in a tt-rss tab"),
1933                         onClick: function(event) {
1934                                 hlOpenInNewTab(event, this.getParent().callerRowId);
1935                                 }}));
1936
1937 //              menu.addChild(new dijit.MenuSeparator());
1938
1939                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1940
1941                 if (labels) {
1942
1943                         menu.addChild(new dijit.MenuSeparator());
1944
1945                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1946                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1947
1948                         labels.each(function(label) {
1949                                 var id = label.id[0];
1950                                 var bare_id = id.substr(id.indexOf(":")+1);
1951                                 var name = label.name[0];
1952
1953                                 bare_id = -11-bare_id;
1954
1955                                 labelAddMenu.addChild(new dijit.MenuItem({
1956                                         label: name,
1957                                         labelId: bare_id,
1958                                         onClick: function(event) {
1959                                                 selectionAssignLabel(this.labelId,
1960                                                         [this.getParent().ownerMenu.callerRowId]);
1961                                 }}));
1962
1963                                 labelDelMenu.addChild(new dijit.MenuItem({
1964                                         label: name,
1965                                         labelId: bare_id,
1966                                         onClick: function(event) {
1967                                                 selectionRemoveLabel(this.labelId,
1968                                                         [this.getParent().ownerMenu.callerRowId]);
1969                                 }}));
1970
1971                         });
1972
1973                         menu.addChild(new dijit.PopupMenuItem({
1974                                 label: __("Assign label"),
1975                                 popup: labelAddMenu,
1976                         }));
1977
1978                         menu.addChild(new dijit.PopupMenuItem({
1979                                 label: __("Remove label"),
1980                                 popup: labelDelMenu,
1981                         }));
1982
1983                 }
1984
1985                 menu.startup();
1986
1987         } catch (e) {
1988                 exception_error("initHeadlinesMenu", e);
1989         }
1990 }
1991
1992 function tweetArticle(id) {
1993         try {
1994                 var query = "?op=rpc&subop=getTweetInfo&id=" + param_escape(id);
1995
1996                 console.log(query);
1997
1998                 var d = new Date();
1999       var ts = d.getTime();
2000
2001                 var w = window.open('backend.php?op=loading', 'ttrss_tweet',
2002                         "status=0,toolbar=0,location=0,width=500,height=400,scrollbars=1,menubar=0");
2003
2004                 new Ajax.Request("backend.php", {
2005                         parameters: query,
2006                         onComplete: function(transport) {
2007                                 var ti = JSON.parse(transport.responseText);
2008
2009                                 var share_url = "http://twitter.com/share?_=" + ts +
2010                                         "&text=" + param_escape(ti.title) +
2011                                         "&url=" + param_escape(ti.link);
2012
2013                                 w.location.href = share_url;
2014
2015                         } });
2016
2017
2018         } catch (e) {
2019                 exception_error("tweetArticle", e);
2020         }
2021 }
2022
2023 function editArticleNote(id) {
2024         try {
2025
2026                 var query = "backend.php?op=dlg&id=editArticleNote&param=" + param_escape(id);
2027
2028                 if (dijit.byId("editNoteDlg"))
2029                         dijit.byId("editNoteDlg").destroyRecursive();
2030
2031                 dialog = new dijit.Dialog({
2032                         id: "editNoteDlg",
2033                         title: __("Edit article note"),
2034                         style: "width: 600px",
2035                         execute: function() {
2036                                 if (this.validate()) {
2037                                         var query = dojo.objectToQuery(this.attr('value'));
2038
2039                                         notify_progress("Saving article note...", true);
2040
2041                                         new Ajax.Request("backend.php", {
2042                                         parameters: query,
2043                                         onComplete: function(transport) {
2044                                                 notify('');
2045                                                 dialog.hide();
2046
2047                                                 var reply = JSON.parse(transport.responseText);
2048
2049                                                 cache_delete("article:" + id);
2050
2051                                                 var elem = $("POSTNOTE-" + id);
2052
2053                                                 if (elem) {
2054                                                         Element.hide(elem);
2055                                                         elem.innerHTML = reply.note;
2056
2057                                                         if (reply.raw_length != 0)
2058                                                                 new Effect.Appear(elem);
2059                                                 }
2060
2061                                         }});
2062                                 }
2063                         },
2064                         href: query,
2065                 });
2066
2067                 dialog.show();
2068
2069         } catch (e) {
2070                 exception_error("editArticleNote", e);
2071         }
2072 }
2073
2074 function player(elem) {
2075         var aid = elem.getAttribute("audio-id");
2076         var status = elem.getAttribute("status");
2077
2078         var audio = $(aid);
2079
2080         if (audio) {
2081                 if (status == 0) {
2082                         audio.play();
2083                         status = 1;
2084                         elem.innerHTML = __("Playing...");
2085                         elem.title = __("Click to pause");
2086                         elem.addClassName("playing");
2087                 } else {
2088                         audio.pause();
2089                         status = 0;
2090                         elem.innerHTML = __("Play");
2091                         elem.title = __("Click to play");
2092                         elem.removeClassName("playing");
2093                 }
2094
2095                 elem.setAttribute("status", status);
2096         } else {
2097                 alert("Your browser doesn't seem to support HTML5 audio.");
2098         }
2099 }
2100
2101 function cache_set(id, obj) {
2102         //console.log("cache_set: " + id);
2103         if (has_storage)
2104                 try {
2105                         sessionStorage[id] = obj;
2106                 } catch (e) {
2107                         sessionStorage.clear();
2108                 }
2109 }
2110
2111 function cache_get(id) {
2112         if (has_storage)
2113                 return sessionStorage[id];
2114 }
2115
2116 function cache_clear() {
2117         if (has_storage)
2118                 sessionStorage.clear();
2119 }
2120
2121 function cache_delete(id) {
2122         if (has_storage)
2123                 sessionStorage.removeItem(id);
2124 }
2125
2126 function cache_headlines(feed, is_cat, toolbar_obj, content_obj) {
2127         if (toolbar_obj && content_obj) {
2128                 cache_set("feed:" + feed + ":" + is_cat,
2129                         JSON.stringify({toolbar: toolbar_obj, content: content_obj}));
2130         } else {
2131                 try {
2132                         obj =   cache_get("feed:" + feed + ":" + is_cat);
2133
2134                         if (obj) {
2135                                 obj = JSON.parse(obj);
2136
2137                                 if (toolbar_obj) obj.toolbar = toolbar_obj;
2138                                 if (content_obj) obj.content = content_obj;
2139
2140                                 cache_set("feed:" + feed + ":" + is_cat, JSON.stringify(obj));
2141                         }
2142
2143                 } catch (e) {
2144                         console.warn("cache_headlines failed: " + e);
2145                 }
2146         }
2147 }
2148
2149 function render_local_headlines(feed, is_cat, obj) {
2150         try {
2151
2152                 dijit.byId("headlines-toolbar").attr('content',
2153                         obj.toolbar);
2154
2155                 dijit.byId("headlines-frame").attr('content',
2156                         obj.content);
2157
2158                 dojo.parser.parse('headlines-toolbar');
2159
2160                 $("headlines-frame").scrollTop = 0;
2161                 selectArticles('none');
2162                 setActiveFeedId(feed, is_cat);
2163                 initHeadlinesMenu();
2164
2165                 precache_headlines();
2166
2167         } catch (e) {
2168                 exception_error("render_local_headlines", e);
2169         }
2170 }
2171
2172 function precache_headlines_idle() {
2173         try {
2174                 if (!feed_precache_timeout_id) {
2175                         var feeds = dijit.byId("feedTree").getVisibleUnreadFeeds();
2176                         var uncached = [];
2177
2178                         feeds.each(function(item) {
2179                                 if (parseInt(item[0]) > 0 && !cache_get("feed:" + item[0] + ":" + item[1]))
2180                                         uncached.push(item);
2181                         });
2182
2183                         if (uncached.length > 0) {
2184                                 var rf = uncached[Math.floor(Math.random()*uncached.length)];
2185                                 viewfeed(rf[0], '', rf[1], 0, true);
2186                         }
2187                 }
2188                 precache_idle_timeout_id = setTimeout("precache_headlines_idle()", 1000*30);
2189
2190         } catch (e) {
2191                 exception_error("precache_headlines_idle", e);
2192         }
2193 }
2194
2195 function precache_headlines() {
2196         try {
2197
2198                 if (!feed_precache_timeout_id) {
2199                         feed_precache_timeout_id = window.setTimeout(function() {
2200                                 var nuf = getNextUnreadFeed(getActiveFeedId(), activeFeedIsCat());
2201                                 var nf = dijit.byId("feedTree").getNextFeed(getActiveFeedId(), activeFeedIsCat());
2202
2203                                 if (nuf && !cache_get("feed:" + nuf + ":" + activeFeedIsCat()))
2204                                         viewfeed(nuf, '', activeFeedIsCat(), 0, true);
2205
2206                                 if (nf != nuf && nf && !cache_get("feed:" + nf[0] + ":" + nf[1]))
2207                                         viewfeed(nf[0], '', nf[1], 0, true);
2208
2209                                 window.setTimeout(function() {
2210                                         feed_precache_timeout_id = false;
2211                                         }, 3000);
2212                         }, 1000);
2213                 }
2214
2215         } catch (e) {
2216                 exception_error("precache_headlines", e);
2217         }
2218 }
2219
2220 function shareArticle(id) {
2221         try {
2222                 if (dijit.byId("shareArticleDlg"))
2223                         dijit.byId("shareArticleDlg").destroyRecursive();
2224
2225                 var query = "backend.php?op=dlg&id=shareArticle&param=" + param_escape(id);
2226
2227                 dialog = new dijit.Dialog({
2228                         id: "shareArticleDlg",
2229                         title: __("Share article by URL"),
2230                         style: "width: 600px",
2231                         href: query});
2232
2233                 dialog.show();
2234
2235         } catch (e) {
2236                 exception_error("emailArticle", e);
2237         }
2238 }
2239
2240