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