viewfeed.js

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