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