viewfeed.js

   1 var active_post_id = false;
   2
   3 var article_cache = new Array();
   4
   5 var vgroup_last_feed = false;
   6 var post_under_pointer = false;
   7
   8 var last_requested_article = false;
   9
  10 var catchup_id_batch = [];
  11 var catchup_timeout_id = false;
  12 var feed_precache_timeout_id = false;
  13 var precache_idle_timeout_id = false;
  14
  15 var cids_requested = [];
  16
  17 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  18
  19 function headlines_callback2(transport, offset, background, infscroll_req) {
  20         try {
  21                 handle_rpc_json(transport);
  22
  23                 loading_set_progress(25);
  24
  25                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  26
  27                 var is_cat = false;
  28                 var feed_id = false;
  29
  30                 var reply = false;
  31
  32                 try {
  33                         reply = JSON.parse(transport.responseText);
  34                 } catch (e) {
  35                         console.error(e);
  36                 }
  37
  38                 if (reply) {
  39
  40                         is_cat = reply['headlines']['is_cat'];
  41                         feed_id = reply['headlines']['id'];
  42
  43                         if (background) {
  44                                 var content = reply['headlines']['content'];
  45
  46                                 if (getInitParam("cdm_auto_catchup") == 1) {
  47                                         content = content + "<div id='headlines-spacer'></div>";
  48                                 }
  49
  50                                 cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], content);
  51                                 return;
  52                         }
  53
  54                         setActiveFeedId(feed_id, is_cat);
  55
  56                         try {
  57                                 if (offset == 0 && infscroll_req == false) {
  58                                         $("headlines-frame").scrollTop = 0;
  59                                 }
  60                         } catch (e) { };
  61
  62                         var headlines_count = reply['headlines-info']['count'];
  63
  64                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  65
  66                         if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
  67                                 _infscroll_disable = 1;
  68                         } else {
  69                                 _infscroll_disable = 0;
  70                         }
  71
  72                         var counters = reply['counters'];
  73                         var articles = reply['articles'];
  74                         //var runtime_info = reply['runtime-info'];
  75
  76                         if (offset == 0 && infscroll_req == false) {
  77                                 dijit.byId("headlines-frame").attr('content',
  78                                         reply['headlines']['content']);
  79
  80                                 dijit.byId("headlines-toolbar").attr('content',
  81                                         reply['headlines']['toolbar']);
  82
  83
  84                                 if (getInitParam("cdm_auto_catchup") == 1) {
  85                                         var hsp = $("headlines-spacer");
  86                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
  87                                         dijit.byId('headlines-frame').domNode.appendChild(hsp);
  88                                 }
  89
  90                                 initHeadlinesMenu();
  91
  92                         } else {
  93
  94                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
  95                                         console.log("adding some more headlines...");
  96
  97                                         var c = dijit.byId("headlines-frame");
  98                                         var ids = getSelectedArticleIds2();
  99
 100                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 101
 102                                         var hsp = $("headlines-spacer");
 103
 104                                         if (hsp)
 105                                                 c.domNode.removeChild(hsp);
 106
 107                                         $$("#headlines-tmp > div").each(function(row) {
 108                                                 if ($$("#headlines-frame DIV[id="+row.id+"]").length == 0) {
 109                                                         row.style.display = 'none';
 110                                                         c.domNode.appendChild(row);
 111                                                 } else {
 112                                                         row.parentNode.removeChild(row);
 113                                                 }
 114                                         });
 115
 116                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 117
 118                                         fixHeadlinesOrder(getLoadedArticleIds());
 119
 120                                         if (getInitParam("cdm_auto_catchup") == 1) {
 121                                                 c.domNode.appendChild(hsp);
 122                                         }
 123
 124                                         console.log("restore selected ids: " + ids);
 125
 126                                         for (var i = 0; i < ids.length; i++) {
 127                                                 markHeadline(ids[i]);
 128                                         }
 129
 130                                         initHeadlinesMenu();
 131
 132                                         $$("#headlines-frame > div[id*=RROW]").each(
 133                                         function(child) {
 134                                                 if (!Element.visible(child))
 135                                                         new Effect.Appear(child, { duration : 0.5 });
 136                                         });
 137
 138                                 } else {
 139                                         console.log("no new headlines received");
 140
 141                                         var hsp = $("headlines-spacer");
 142
 143                                         if (hsp) hsp.innerHTML = "";
 144                                 }
 145                         }
 146
 147                         if (headlines_count > 0)
 148                                 cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], $("headlines-frame").innerHTML);
 149
 150                         if (articles) {
 151                                 for (var i = 0; i < articles.length; i++) {
 152                                         var a_id = articles[i]['id'];
 153                                         cache_set("article:" + a_id, articles[i]['content']);
 154                                 }
 155                         } else {
 156                                 console.log("no cached articles received");
 157                         }
 158
 159                         // do not precache stuff after fresh feed
 160                         if (feed_id != -3)
 161                                 precache_headlines();
 162
 163                         if (counters)
 164                                 parse_counters(counters);
 165                         else
 166                                 request_counters();
 167
 168                 } else {
 169                         console.error("Invalid object received: " + transport.responseText);
 170                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 171                                         __('Could not update headlines (invalid object received - see error console for details)') +
 172                                         "</div>");
 173                 }
 174
 175                 _infscroll_request_sent = 0;
 176
 177                 notify("");
 178
 179         } catch (e) {
 180                 exception_error("headlines_callback2", e, transport);
 181         }
 182 }
 183
 184 function render_article(article) {
 185         try {
 186                 dijit.byId("headlines-wrap-inner").addChild(
 187                                 dijit.byId("content-insert"));
 188
 189                 var c = dijit.byId("content-insert");
 190
 191                 try {
 192                         c.domNode.scrollTop = 0;
 193                 } catch (e) { };
 194
 195                 c.attr('content', article);
 196
 197                 correctHeadlinesOffset(getActiveArticleId());
 198
 199                 try {
 200                         c.focus();
 201                 } catch (e) { };
 202
 203         } catch (e) {
 204                 exception_error("render_article", e);
 205         }
 206 }
 207
 208 function showArticleInHeadlines(id) {
 209
 210         try {
 211
 212                 selectArticles("none");
 213
 214                 var crow = $("RROW-" + id);
 215
 216                 if (!crow) return;
 217
 218                 var article_is_unread = crow.hasClassName("Unread");
 219
 220                 crow.removeClassName("Unread");
 221
 222                 selectArticles('none');
 223
 224                 var upd_img_pic = $("FUPDPIC-" + id);
 225
 226                 var view_mode = false;
 227
 228                 try {
 229                         view_mode = document.forms['main_toolbar_form'].view_mode;
 230                         view_mode = view_mode[view_mode.selectedIndex].value;
 231                 } catch (e) {
 232                         //
 233                 }
 234
 235                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 236                                         upd_img_pic.src.match("fresh_sign.png"))) {
 237
 238                         upd_img_pic.src = "images/blank_icon.gif";
 239
 240                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 241
 242                 } else if (article_is_unread && view_mode == "all_articles") {
 243                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 244                 }
 245
 246                 markHeadline(id);
 247
 248                 if (article_is_unread)
 249                         _force_scheduled_update = true;
 250
 251         } catch (e) {
 252                 exception_error("showArticleInHeadlines", e);
 253         }
 254 }
 255
 256 function article_callback2(transport, id) {
 257         try {
 258                 console.log("article_callback2 " + id);
 259
 260                 handle_rpc_json(transport);
 261
 262                 var reply = false;
 263
 264                 try {
 265                         reply = JSON.parse(transport.responseText);
 266                 } catch (e) {
 267                         console.error(e);
 268                 }
 269
 270                 if (reply) {
 271
 272                         var upic = $('FUPDPIC-' + id);
 273
 274                         if (upic) upic.src = 'images/blank_icon.gif';
 275
 276                         reply.each(function(article) {
 277                                 if (active_post_id == article['id']) {
 278                                         render_article(article['content']);
 279                                 }
 280                                 cids_requested.remove(article['id']);
 281
 282                                 cache_set("article:" + article['id'], article['content']);
 283                         });
 284
 285 //                      if (id != last_requested_article) {
 286 //                              console.log("requested article id is out of sequence, aborting");
 287 //                              return;
 288 //                      }
 289
 290                 } else {
 291                         console.error("Invalid object received: " + transport.responseText);
 292
 293                         render_article("<div class='whiteBox'>" +
 294                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 295                 }
 296
 297                 request_counters();
 298
 299                 try {
 300                         if (!_infscroll_disable &&
 301                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 302
 303                                 loadMoreHeadlines();
 304                         }
 305                 } catch (e) {
 306                         console.warn(e);
 307                 }
 308
 309                 notify("");
 310         } catch (e) {
 311                 exception_error("article_callback2", e, transport);
 312         }
 313 }
 314
 315 function view(id) {
 316         try {
 317                 console.log("loading article: " + id);
 318
 319                 var cached_article = cache_get("article:" + id);
 320
 321                 console.log("cache check result: " + (cached_article != false));
 322
 323                 hideAuxDlg();
 324
 325                 var query = "?op=view&id=" + param_escape(id);
 326
 327                 var neighbor_ids = getRelativePostIds(id);
 328
 329                 /* only request uncached articles */
 330
 331                 var cids_to_request = [];
 332
 333                 for (var i = 0; i < neighbor_ids.length; i++) {
 334                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 335                                 if (!cache_get("article:" + neighbor_ids[i])) {
 336                                         cids_to_request.push(neighbor_ids[i]);
 337                                         cids_requested.push(neighbor_ids[i]);
 338                                 }
 339                 }
 340
 341                 console.log("additional ids: " + cids_to_request.toString());
 342
 343                 query = query + "&cids=" + cids_to_request.toString();
 344
 345                 var crow = $("RROW-" + id);
 346                 var article_is_unread = crow.hasClassName("Unread");
 347
 348                 active_post_id = id;
 349                 showArticleInHeadlines(id);
 350
 351                 precache_headlines();
 352
 353                 if (!cached_article) {
 354
 355                         var upic = $('FUPDPIC-' + id);
 356
 357                         if (upic) {
 358                                 upic.src = getInitParam("sign_progress");
 359                         }
 360
 361                 } else if (cached_article && article_is_unread) {
 362
 363                         query = query + "&mode=prefetch";
 364
 365                         render_article(cached_article);
 366
 367                 } else if (cached_article) {
 368
 369                         query = query + "&mode=prefetch_old";
 370                         render_article(cached_article);
 371
 372                         // if we don't need to request any relative ids, we might as well skip
 373                         // the server roundtrip altogether
 374                         if (cids_to_request.length == 0) {
 375
 376                                 try {
 377                                         if (!_infscroll_disable &&
 378                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 379
 380                                                         loadMoreHeadlines();
 381                                         }
 382                                 } catch (e) {
 383                                         console.warn(e);
 384                                 }
 385
 386                                 return;
 387                         }
 388                 }
 389
 390                 last_requested_article = id;
 391
 392                 console.log(query);
 393
 394                 new Ajax.Request("backend.php", {
 395                         parameters: query,
 396                         onComplete: function(transport) {
 397                                 article_callback2(transport, id);
 398                         } });
 399
 400                 return false;
 401
 402         } catch (e) {
 403                 exception_error("view", e);
 404         }
 405 }
 406
 407 function tMark(id) {
 408         return toggleMark(id);
 409 }
 410
 411 function tPub(id) {
 412         return togglePub(id);
 413 }
 414
 415 function toggleMark(id, client_only) {
 416         try {
 417                 var query = "?op=rpc&id=" + id + "&subop=mark";
 418
 419                 var img = $("FMPIC-" + id);
 420
 421                 if (!img) return;
 422
 423                 if (img.src.match("mark_unset")) {
 424                         img.src = img.src.replace("mark_unset", "mark_set");
 425                         img.alt = __("Unstar article");
 426                         query = query + "&mark=1";
 427
 428                 } else {
 429                         img.src = img.src.replace("mark_set", "mark_unset");
 430                         img.alt = __("Star article");
 431                         query = query + "&mark=0";
 432                 }
 433
 434                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 435
 436                 if (!client_only) {
 437                         new Ajax.Request("backend.php", {
 438                                 parameters: query,
 439                                 onComplete: function(transport) {
 440                                         handle_rpc_json(transport);
 441                                 } });
 442                 }
 443
 444         } catch (e) {
 445                 exception_error("toggleMark", e);
 446         }
 447 }
 448
 449 function togglePub(id, client_only, no_effects, note) {
 450         try {
 451                 var query = "?op=rpc&id=" + id + "&subop=publ";
 452
 453                 if (note != undefined) {
 454                         query = query + "&note=" + param_escape(note);
 455                 } else {
 456                         query = query + "&note=undefined";
 457                 }
 458
 459                 var img = $("FPPIC-" + id);
 460
 461                 if (!img) return;
 462
 463                 if (img.src.match("pub_unset") || note != undefined) {
 464                         img.src = img.src.replace("pub_unset", "pub_set");
 465                         img.alt = __("Unpublish article");
 466                         query = query + "&pub=1";
 467
 468                 } else {
 469                         img.src = img.src.replace("pub_set", "pub_unset");
 470                         img.alt = __("Publish article");
 471
 472                         query = query + "&pub=0";
 473                 }
 474
 475                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 476
 477                 if (!client_only) {
 478                         new Ajax.Request("backend.php", {
 479                                 parameters: query,
 480                                 onComplete: function(transport) {
 481                                         handle_rpc_json(transport);
 482                                 } });
 483                 }
 484
 485         } catch (e) {
 486                 exception_error("togglePub", e);
 487         }
 488 }
 489
 490 function moveToPost(mode) {
 491
 492         try {
 493
 494                 var rows = getVisibleArticleIds();
 495
 496                 var prev_id = false;
 497                 var next_id = false;
 498
 499                 if (!$('RROW-' + active_post_id)) {
 500                         active_post_id = false;
 501                 }
 502
 503                 if (active_post_id == false) {
 504                         next_id = getFirstVisibleHeadlineId();
 505                         prev_id = getLastVisibleHeadlineId();
 506                 } else {
 507                         for (var i = 0; i < rows.length; i++) {
 508                                 if (rows[i] == active_post_id) {
 509                                         prev_id = rows[i-1];
 510                                         next_id = rows[i+1];
 511                                 }
 512                         }
 513                 }
 514
 515                 if (mode == "next") {
 516                         if (next_id) {
 517                                 if (isCdmMode()) {
 518
 519                                         cdmExpandArticle(next_id);
 520                                         cdmScrollToArticleId(next_id);
 521
 522                                 } else {
 523                                         correctHeadlinesOffset(next_id);
 524                                         view(next_id, getActiveFeedId());
 525                                 }
 526                         }
 527                 }
 528
 529                 if (mode == "prev") {
 530                         if (prev_id) {
 531                                 if (isCdmMode()) {
 532                                         cdmExpandArticle(prev_id);
 533                                         cdmScrollToArticleId(prev_id);
 534                                 } else {
 535                                         correctHeadlinesOffset(prev_id);
 536                                         view(prev_id, getActiveFeedId());
 537                                 }
 538                         }
 539                 }
 540
 541         } catch (e) {
 542                 exception_error("moveToPost", e);
 543         }
 544 }
 545
 546 function toggleSelected(id, force_on) {
 547         try {
 548
 549                 var cb = $("RCHK-" + id);
 550                 var row = $("RROW-" + id);
 551
 552                 if (row) {
 553                         if (row.hasClassName('Selected') && !force_on) {
 554                                 row.removeClassName('Selected');
 555                                 if (cb) cb.checked = false;
 556                         } else {
 557                                 row.addClassName('Selected');
 558                                 if (cb) cb.checked = true;
 559                         }
 560                 }
 561         } catch (e) {
 562                 exception_error("toggleSelected", e);
 563         }
 564 }
 565
 566 function toggleUnread_afh(effect) {
 567         try {
 568
 569                 var elem = effect.element;
 570                 elem.style.backgroundColor = "";
 571
 572         } catch (e) {
 573                 exception_error("toggleUnread_afh", e);
 574         }
 575 }
 576
 577 function toggleUnread(id, cmode, effect) {
 578         try {
 579
 580                 var row = $("RROW-" + id);
 581                 if (row) {
 582                         if (cmode == undefined || cmode == 2) {
 583                                 if (row.hasClassName("Unread")) {
 584                                         row.removeClassName("Unread");
 585
 586                                         if (effect) {
 587                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 588                                                         afterFinish: toggleUnread_afh,
 589                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 590                                         }
 591
 592                                 } else {
 593                                         row.addClassName("Unread");
 594                                 }
 595
 596                         } else if (cmode == 0) {
 597
 598                                 row.removeClassName("Unread");
 599
 600                                 if (effect) {
 601                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 602                                                 afterFinish: toggleUnread_afh,
 603                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 604                                 }
 605
 606                         } else if (cmode == 1) {
 607                                 row.addClassName("Unread");
 608                         }
 609
 610                         if (cmode == undefined) cmode = 2;
 611
 612                         var query = "?op=rpc&subop=catchupSelected" +
 613                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 614
 615 //                      notify_progress("Loading, please wait...");
 616
 617                         new Ajax.Request("backend.php", {
 618                                 parameters: query,
 619                                 onComplete: function(transport) {
 620                                         handle_rpc_json(transport);
 621                                 } });
 622
 623                 }
 624
 625         } catch (e) {
 626                 exception_error("toggleUnread", e);
 627         }
 628 }
 629
 630 function selectionRemoveLabel(id, ids) {
 631         try {
 632
 633                 if (!ids) ids = getSelectedArticleIds2();
 634
 635                 if (ids.length == 0) {
 636                         alert(__("No articles are selected."));
 637                         return;
 638                 }
 639
 640                 var query = "?op=rpc&subop=removeFromLabel&ids=" +
 641                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 642
 643                 console.log(query);
 644
 645                 new Ajax.Request("backend.php", {
 646                         parameters: query,
 647                         onComplete: function(transport) {
 648                                 handle_rpc_json(transport);
 649                                 show_labels_in_headlines(transport);
 650                         } });
 651
 652         } catch (e) {
 653                 exception_error("selectionAssignLabel", e);
 654
 655         }
 656 }
 657
 658 function selectionAssignLabel(id, ids) {
 659         try {
 660
 661                 if (!ids) ids = getSelectedArticleIds2();
 662
 663                 if (ids.length == 0) {
 664                         alert(__("No articles are selected."));
 665                         return;
 666                 }
 667
 668                 var query = "?op=rpc&subop=assignToLabel&ids=" +
 669                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 670
 671                 console.log(query);
 672
 673                 new Ajax.Request("backend.php", {
 674                         parameters: query,
 675                         onComplete: function(transport) {
 676                                 handle_rpc_json(transport);
 677                                 show_labels_in_headlines(transport);
 678                         } });
 679
 680         } catch (e) {
 681                 exception_error("selectionAssignLabel", e);
 682
 683         }
 684 }
 685
 686 function selectionToggleUnread(set_state, callback, no_error) {
 687         try {
 688                 var rows = getSelectedArticleIds2();
 689
 690                 if (rows.length == 0 && !no_error) {
 691                         alert(__("No articles are selected."));
 692                         return;
 693                 }
 694
 695                 for (var i = 0; i < rows.length; i++) {
 696                         var row = $("RROW-" + rows[i]);
 697                         if (row) {
 698                                 if (set_state == undefined) {
 699                                         if (row.hasClassName("Unread")) {
 700                                                 row.removeClassName("Unread");
 701                                         } else {
 702                                                 row.addClassName("Unread");
 703                                         }
 704                                 }
 705
 706                                 if (set_state == false) {
 707                                         row.removeClassName("Unread");
 708                                 }
 709
 710                                 if (set_state == true) {
 711                                         row.addClassName("Unread");
 712                                 }
 713                         }
 714                 }
 715
 716                 if (rows.length > 0) {
 717
 718                         var cmode = "";
 719
 720                         if (set_state == undefined) {
 721                                 cmode = "2";
 722                         } else if (set_state == true) {
 723                                 cmode = "1";
 724                         } else if (set_state == false) {
 725                                 cmode = "0";
 726                         }
 727
 728                         var query = "?op=rpc&subop=catchupSelected" +
 729                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 730
 731                         notify_progress("Loading, please wait...");
 732
 733                         new Ajax.Request("backend.php", {
 734                                 parameters: query,
 735                                 onComplete: function(transport) {
 736                                         handle_rpc_json(transport);
 737                                         if (callback) callback(transport);
 738                                 } });
 739
 740                 }
 741
 742         } catch (e) {
 743                 exception_error("selectionToggleUnread", e);
 744         }
 745 }
 746
 747 function selectionToggleMarked() {
 748         try {
 749
 750                 var rows = getSelectedArticleIds2();
 751
 752                 if (rows.length == 0) {
 753                         alert(__("No articles are selected."));
 754                         return;
 755                 }
 756
 757                 for (var i = 0; i < rows.length; i++) {
 758                         toggleMark(rows[i], true, true);
 759                 }
 760
 761                 if (rows.length > 0) {
 762
 763                         var query = "?op=rpc&subop=markSelected&ids=" +
 764                                 param_escape(rows.toString()) + "&cmode=2";
 765
 766                         new Ajax.Request("backend.php", {
 767                                 parameters: query,
 768                                 onComplete: function(transport) {
 769                                         handle_rpc_json(transport);
 770                                 } });
 771
 772                 }
 773
 774         } catch (e) {
 775                 exception_error("selectionToggleMarked", e);
 776         }
 777 }
 778
 779 function selectionTogglePublished() {
 780         try {
 781
 782                 var rows = getSelectedArticleIds2();
 783
 784                 if (rows.length == 0) {
 785                         alert(__("No articles are selected."));
 786                         return;
 787                 }
 788
 789                 for (var i = 0; i < rows.length; i++) {
 790                         togglePub(rows[i], true, true);
 791                 }
 792
 793                 if (rows.length > 0) {
 794
 795                         var query = "?op=rpc&subop=publishSelected&ids=" +
 796                                 param_escape(rows.toString()) + "&cmode=2";
 797
 798                         new Ajax.Request("backend.php", {
 799                                 parameters: query,
 800                                 onComplete: function(transport) {
 801                                         handle_rpc_json(transport);
 802                                 } });
 803
 804                 }
 805
 806         } catch (e) {
 807                 exception_error("selectionToggleMarked", e);
 808         }
 809 }
 810
 811 function getSelectedArticleIds2() {
 812
 813         var rv = [];
 814
 815         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 816                 function(child) {
 817                         rv.push(child.id.replace("RROW-", ""));
 818                 });
 819
 820         return rv;
 821 }
 822
 823 function getLoadedArticleIds() {
 824         var rv = [];
 825
 826         var children = $$("#headlines-frame > div[id*=RROW-]");
 827
 828         children.each(function(child) {
 829                         rv.push(child.id.replace("RROW-", ""));
 830                 });
 831
 832         return rv;
 833
 834 }
 835
 836 // mode = all,none,unread,invert
 837 function selectArticles(mode) {
 838         try {
 839
 840                 var children = $$("#headlines-frame > div[id*=RROW]");
 841
 842                 children.each(function(child) {
 843                         var id = child.id.replace("RROW-", "");
 844                         var cb = $("RCHK-" + id);
 845
 846                         if (mode == "all") {
 847                                 child.addClassName("Selected");
 848                                 cb.checked = true;
 849                         } else if (mode == "unread") {
 850                                 if (child.hasClassName("Unread")) {
 851                                         child.addClassName("Selected");
 852                                         cb.checked = true;
 853                                 } else {
 854                                         child.removeClassName("Selected");
 855                                         cb.checked = false;
 856                                 }
 857                         } else if (mode == "invert") {
 858                                 if (child.hasClassName("Selected")) {
 859                                         child.removeClassName("Selected");
 860                                         cb.checked = false;
 861                                 } else {
 862                                         child.addClassName("Selected");
 863                                         cb.checked = true;
 864                                 }
 865
 866                         } else {
 867                                 child.removeClassName("Selected");
 868                                 cb.checked = false;
 869                         }
 870                 });
 871
 872         } catch (e) {
 873                 exception_error("selectArticles", e);
 874         }
 875 }
 876
 877 function catchupPage() {
 878
 879         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 880
 881         var str = __("Mark all visible articles in %s as read?");
 882
 883         str = str.replace("%s", fn);
 884
 885         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 886                 return;
 887         }
 888
 889         selectArticles('all');
 890         selectionToggleUnread(false, 'viewCurrentFeed()', true);
 891         selectArticles('none');
 892 }
 893
 894 function deleteSelection() {
 895
 896         try {
 897
 898                 var rows = getSelectedArticleIds2();
 899
 900                 if (rows.length == 0) {
 901                         alert(__("No articles are selected."));
 902                         return;
 903                 }
 904
 905                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 906                 var str;
 907
 908                 if (getActiveFeedId() != 0) {
 909                         str = __("Delete %d selected articles in %s?");
 910                 } else {
 911                         str = __("Delete %d selected articles?");
 912                 }
 913
 914                 str = str.replace("%d", rows.length);
 915                 str = str.replace("%s", fn);
 916
 917                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 918                         return;
 919                 }
 920
 921                 query = "?op=rpc&subop=delete&ids=" + param_escape(rows);
 922
 923                 console.log(query);
 924
 925                 new Ajax.Request("backend.php", {
 926                         parameters: query,
 927                         onComplete: function(transport) {
 928                                         handle_rpc_json(transport);
 929                                         viewCurrentFeed();
 930                                 } });
 931
 932         } catch (e) {
 933                 exception_error("deleteSelection", e);
 934         }
 935 }
 936
 937 function archiveSelection() {
 938
 939         try {
 940
 941                 var rows = getSelectedArticleIds2();
 942
 943                 if (rows.length == 0) {
 944                         alert(__("No articles are selected."));
 945                         return;
 946                 }
 947
 948                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 949                 var str;
 950                 var op;
 951
 952                 if (getActiveFeedId() != 0) {
 953                         str = __("Archive %d selected articles in %s?");
 954                         op = "archive";
 955                 } else {
 956                         str = __("Move %d archived articles back?");
 957                         op = "unarchive";
 958                 }
 959
 960                 str = str.replace("%d", rows.length);
 961                 str = str.replace("%s", fn);
 962
 963                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 964                         return;
 965                 }
 966
 967                 query = "?op=rpc&subop="+op+"&ids=" + param_escape(rows);
 968
 969                 console.log(query);
 970
 971                 for (var i = 0; i < rows.length; i++) {
 972                         cache_delete("article:" + rows[i]);
 973                 }
 974
 975                 new Ajax.Request("backend.php", {
 976                         parameters: query,
 977                         onComplete: function(transport) {
 978                                         handle_rpc_json(transport);
 979                                         viewCurrentFeed();
 980                                 } });
 981
 982         } catch (e) {
 983                 exception_error("archiveSelection", e);
 984         }
 985 }
 986
 987 function catchupSelection() {
 988
 989         try {
 990
 991                 var rows = getSelectedArticleIds2();
 992
 993                 if (rows.length == 0) {
 994                         alert(__("No articles are selected."));
 995                         return;
 996                 }
 997
 998                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 999
1000                 var str = __("Mark %d selected articles in %s as read?");
1001
1002                 str = str.replace("%d", rows.length);
1003                 str = str.replace("%s", fn);
1004
1005                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1006                         return;
1007                 }
1008
1009                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1010
1011         } catch (e) {
1012                 exception_error("catchupSelection", e);
1013         }
1014 }
1015
1016 function editArticleTags(id) {
1017                 var query = "backend.php?op=dlg&id=editArticleTags&param=" + param_escape(id);
1018
1019                 if (dijit.byId("editTagsDlg"))
1020                         dijit.byId("editTagsDlg").destroyRecursive();
1021
1022                 dialog = new dijit.Dialog({
1023                         id: "editTagsDlg",
1024                         title: __("Edit article Tags"),
1025                         style: "width: 600px",
1026                         execute: function() {
1027                                 if (this.validate()) {
1028                                         var query = dojo.objectToQuery(this.attr('value'));
1029
1030                                         notify_progress("Saving article tags...", true);
1031
1032                                         new Ajax.Request("backend.php", {
1033                                         parameters: query,
1034                                         onComplete: function(transport) {
1035                                                 notify('');
1036                                                 dialog.hide();
1037
1038                                                 var data = JSON.parse(transport.responseText);
1039
1040                                                 if (data) {
1041                                                         var tags_str = article.tags;
1042                                                         var id = tags_str.id;
1043
1044                                                         var tags = $("ATSTR-" + id);
1045                                                         var tooltip = dijit.byId("ATSTRTIP-" + id);
1046
1047                                                         if (tags) tags.innerHTML = tags_str.content;
1048                                                         if (tooltip) tooltip.attr('label', tags_str.content_full);
1049
1050                                                         cache_delete("article:" + id);
1051                                                 }
1052
1053                                         }});
1054                                 }
1055                         },
1056                         href: query,
1057                 });
1058
1059                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1060                 dojo.disconnect(tmph);
1061
1062                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1063                            "backend.php?op=rpc&subop=completeTags",
1064                            { tokens: ',', paramName: "search" });
1065                 });
1066
1067                 dialog.show();
1068
1069 }
1070
1071 function cdmScrollToArticleId(id) {
1072         try {
1073                 var ctr = $("headlines-frame");
1074                 var e = $("RROW-" + id);
1075
1076                 if (!e || !ctr) return;
1077
1078                 ctr.scrollTop = e.offsetTop;
1079
1080         } catch (e) {
1081                 exception_error("cdmScrollToArticleId", e);
1082         }
1083 }
1084
1085 function getActiveArticleId() {
1086         return active_post_id;
1087 }
1088
1089 function postMouseIn(id) {
1090         post_under_pointer = id;
1091 }
1092
1093 function postMouseOut(id) {
1094         post_under_pointer = false;
1095 }
1096
1097 function headlines_scroll_handler(e) {
1098         try {
1099                 var hsp = $("headlines-spacer");
1100
1101                 if (!_infscroll_disable) {
1102                         if (hsp && (e.scrollTop + e.offsetHeight > hsp.offsetTop) ||
1103                                         e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
1104
1105                                 if (hsp)
1106                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1107                                                 __("Loading, please wait...");
1108
1109                                 loadMoreHeadlines();
1110                                 return;
1111
1112                         }
1113                 } else {
1114                         if (hsp) hsp.innerHTML = "";
1115                 }
1116
1117                 if (getInitParam("cdm_auto_catchup") == 1) {
1118
1119                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1120                                 function(child) {
1121                                         if ($("headlines-frame").scrollTop >
1122                                                         (child.offsetTop + child.offsetHeight/2)) {
1123
1124                                                 var id = child.id.replace("RROW-", "");
1125
1126                                                 if (catchup_id_batch.indexOf(id) == -1)
1127                                                         catchup_id_batch.push(id);
1128
1129                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1130                                         }
1131                                 });
1132
1133                         if (catchup_id_batch.length > 0) {
1134                                 window.clearTimeout(catchup_timeout_id);
1135
1136                                 if (!_infscroll_request_sent) {
1137                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1138                                                 2000);
1139                                 }
1140                         }
1141                 }
1142
1143         } catch (e) {
1144                 console.warn("headlines_scroll_handler: " + e);
1145         }
1146 }
1147
1148 function catchupBatchedArticles() {
1149         try {
1150                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1151
1152                         var query = "?op=rpc&subop=catchupSelected" +
1153                                 "&cmode=0&ids=" + param_escape(catchup_id_batch.toString());
1154
1155                         new Ajax.Request("backend.php", {
1156                                 parameters: query,
1157                                 onComplete: function(transport) {
1158                                         handle_rpc_json(transport);
1159
1160                                         catchup_id_batch.each(function(id) {
1161                                                 var elem = $("RROW-" + id);
1162                                                 if (elem) elem.removeClassName("Unread");
1163                                         });
1164
1165                                         catchup_id_batch = [];
1166                                 } });
1167                 }
1168
1169         } catch (e) {
1170                 exception_error("catchupBatchedArticles", e);
1171         }
1172 }
1173
1174 function catchupRelativeToArticle(below) {
1175
1176         try {
1177
1178
1179                 if (!getActiveArticleId()) {
1180                         alert(__("No article is selected."));
1181                         return;
1182                 }
1183
1184                 var visible_ids = getVisibleArticleIds();
1185
1186                 var ids_to_mark = new Array();
1187
1188                 if (!below) {
1189                         for (var i = 0; i < visible_ids.length; i++) {
1190                                 if (visible_ids[i] != getActiveArticleId()) {
1191                                         var e = $("RROW-" + visible_ids[i]);
1192
1193                                         if (e && e.hasClassName("Unread")) {
1194                                                 ids_to_mark.push(visible_ids[i]);
1195                                         }
1196                                 } else {
1197                                         break;
1198                                 }
1199                         }
1200                 } else {
1201                         for (var i = visible_ids.length-1; i >= 0; i--) {
1202                                 if (visible_ids[i] != getActiveArticleId()) {
1203                                         var e = $("RROW-" + visible_ids[i]);
1204
1205                                         if (e && e.hasClassName("Unread")) {
1206                                                 ids_to_mark.push(visible_ids[i]);
1207                                         }
1208                                 } else {
1209                                         break;
1210                                 }
1211                         }
1212                 }
1213
1214                 if (ids_to_mark.length == 0) {
1215                         alert(__("No articles found to mark"));
1216                 } else {
1217                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1218
1219                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1220
1221                                 for (var i = 0; i < ids_to_mark.length; i++) {
1222                                         var e = $("RROW-" + ids_to_mark[i]);
1223                                         e.removeClassName("Unread");
1224                                 }
1225
1226                                 var query = "?op=rpc&subop=catchupSelected" +
1227                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1228
1229                                 new Ajax.Request("backend.php", {
1230                                         parameters: query,
1231                                         onComplete: function(transport) {
1232                                                 handle_rpc_json(transport);
1233                                         } });
1234
1235                         }
1236                 }
1237
1238         } catch (e) {
1239                 exception_error("catchupRelativeToArticle", e);
1240         }
1241 }
1242
1243 function cdmExpandArticle(id) {
1244         try {
1245
1246                 hideAuxDlg();
1247
1248                 var elem = $("CICD-" + active_post_id);
1249
1250                 var upd_img_pic = $("FUPDPIC-" + id);
1251
1252                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1253                                 upd_img_pic.src.match("fresh_sign.png"))) {
1254
1255                         upd_img_pic.src = "images/blank_icon.gif";
1256                 }
1257
1258                 if (id == active_post_id && Element.visible(elem))
1259                         return true;
1260
1261                 selectArticles("none");
1262
1263                 var old_offset = $("RROW-" + id).offsetTop;
1264
1265                 if (active_post_id && elem && !getInitParam("cdm_expanded")) {
1266                         Element.hide(elem);
1267                         Element.show("CEXC-" + active_post_id);
1268                 }
1269
1270                 active_post_id = id;
1271
1272                 elem = $("CICD-" + id);
1273
1274                 if (!Element.visible(elem)) {
1275                         Element.show(elem);
1276                         Element.hide("CEXC-" + id);
1277
1278                         if ($("CWRAP-" + id).innerHTML == "") {
1279
1280                                 $("FUPDPIC-" + id).src = "images/indicator_tiny.gif";
1281
1282                                 $("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" +
1283                                         __("Loading, please wait...") + "</div>";
1284
1285                                 var query = "?op=rpc&subop=cdmGetArticle&id=" + param_escape(id);
1286
1287                                 var neighbor_ids = getRelativePostIds(id);
1288
1289                                 /* only request uncached articles */
1290                                 var cids_to_request = [];
1291
1292                                 for (var i = 0; i < neighbor_ids.length; i++) {
1293                                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
1294                                                 if ($("CWRAP-" + neighbor_ids[i]).innerHTML == "") {
1295                                                         cids_to_request.push(neighbor_ids[i]);
1296                                                         cids_requested.push(neighbor_ids[i]);
1297                                                 }
1298                                 }
1299
1300                                 console.log("additional ids: " + cids_to_request.toString());
1301
1302                                 query = query + "&cids=" + cids_to_request.toString();
1303
1304                                 console.log(query);
1305
1306                                 new Ajax.Request("backend.php", {
1307                                         parameters: query,
1308                                         onComplete: function(transport) {
1309
1310                                                 $("FUPDPIC-" + id).src = 'images/blank_icon.gif';
1311
1312                                                 handle_rpc_json(transport);
1313
1314                                                 var reply = JSON.parse(transport.responseText);
1315
1316                                                 reply.each(function(article) {
1317                                                         $("CWRAP-" + article['id']).innerHTML = article['content'];
1318                                                         cids_requested.remove(article['id']);
1319                                                 });
1320                                 }});
1321
1322                         }
1323                 }
1324
1325                 var new_offset = $("RROW-" + id).offsetTop;
1326
1327                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1328
1329                 if ($("RROW-" + id).offsetTop != old_offset)
1330                         $("headlines-frame").scrollTop = new_offset;
1331
1332                 toggleUnread(id, 0, true);
1333                 toggleSelected(id);
1334
1335         } catch (e) {
1336                 exception_error("cdmExpandArticle", e);
1337         }
1338
1339         return false;
1340 }
1341
1342 function fixHeadlinesOrder(ids) {
1343         try {
1344                 for (var i = 0; i < ids.length; i++) {
1345                         var e = $("RROW-" + ids[i]);
1346
1347                         if (e) {
1348                                 if (i % 2 == 0) {
1349                                         e.removeClassName("even");
1350                                         e.addClassName("odd");
1351                                 } else {
1352                                         e.removeClassName("odd");
1353                                         e.addClassName("even");
1354                                 }
1355                         }
1356                 }
1357         } catch (e) {
1358                 exception_error("fixHeadlinesOrder", e);
1359         }
1360 }
1361
1362 function getArticleUnderPointer() {
1363         return post_under_pointer;
1364 }
1365
1366 function zoomToArticle(event, id) {
1367         try {
1368                 var cached_article = cache_get("article: " + id);
1369
1370                 if (dijit.byId("ATAB-" + id))
1371                         if (!event || !event.shiftKey)
1372                                 return dijit.byId("content-tabs").selectChild(dijit.byId("ATAB-" + id));
1373
1374                 if (dijit.byId("ATSTRTIP-" + id))
1375                         dijit.byId("ATSTRTIP-" + id).destroyRecursive();
1376
1377                 if (cached_article) {
1378                         //closeArticlePanel();
1379
1380                         var article_pane = new dijit.layout.ContentPane({
1381                                 title: __("Loading...") , content: cached_article,
1382                                 style: 'padding : 0px;',
1383                                 id: 'ATAB-' + id,
1384                                 closable: true });
1385
1386                         dijit.byId("content-tabs").addChild(article_pane);
1387
1388                         if (!event || !event.shiftKey)
1389                                 dijit.byId("content-tabs").selectChild(article_pane);
1390
1391                         if ($("PTITLE-" + id))
1392                                 article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1393
1394                 } else {
1395
1396                         var query = "?op=rpc&subop=getArticles&ids=" + param_escape(id);
1397
1398                         notify_progress("Loading, please wait...", true);
1399
1400                         new Ajax.Request("backend.php", {
1401                                 parameters: query,
1402                                 onComplete: function(transport) {
1403                                         notify('');
1404
1405                                         var reply = JSON.parse(transport.responseText);
1406
1407                                         if (reply) {
1408                                                 //closeArticlePanel();
1409
1410                                                 var content = reply[0]['content'];
1411
1412                                                 var article_pane = new dijit.layout.ContentPane({
1413                                                         title: "article-" + id , content: content,
1414                                                         style: 'padding : 0px;',
1415                                                         id: 'ATAB-' + id,
1416                                                         closable: true });
1417
1418                                                 dijit.byId("content-tabs").addChild(article_pane);
1419
1420                                                 if (!event || !event.shiftKey)
1421                                                         dijit.byId("content-tabs").selectChild(article_pane);
1422
1423                                                 if ($("PTITLE-" + id))
1424                                                         article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1425                                         }
1426
1427                                 } });
1428                         }
1429
1430         } catch (e) {
1431                 exception_error("zoomToArticle", e);
1432         }
1433 }
1434
1435 function scrollArticle(offset) {
1436         try {
1437                 if (!isCdmMode()) {
1438                         var ci = $("content-insert");
1439                         if (ci) {
1440                                 ci.scrollTop += offset;
1441                         }
1442                 } else {
1443                         var hi = $("headlines-frame");
1444                         if (hi) {
1445                                 hi.scrollTop += offset;
1446                         }
1447
1448                 }
1449         } catch (e) {
1450                 exception_error("scrollArticle", e);
1451         }
1452 }
1453
1454 function show_labels_in_headlines(transport) {
1455         try {
1456                 var data = JSON.parse(transport.responseText);
1457
1458                 if (data) {
1459                         data['info-for-headlines'].each(function(elem) {
1460                                 var ctr = $("HLLCTR-" + elem.id);
1461
1462                                 if (ctr) ctr.innerHTML = elem.labels;
1463                         });
1464
1465                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
1466
1467                 }
1468         } catch (e) {
1469                 exception_error("show_labels_in_headlines", e);
1470         }
1471 }
1472
1473 /* function toggleHeadlineActions() {
1474         try {
1475                 var e = $("headlineActionsBody");
1476                 var p = $("headlineActionsDrop");
1477
1478                 if (!Element.visible(e)) {
1479                         Element.show(e);
1480                 } else {
1481                         Element.hide(e);
1482                 }
1483
1484                 e.scrollTop = 0;
1485                 e.style.left = (p.offsetLeft + 1) + "px";
1486                 e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
1487
1488         } catch (e) {
1489                 exception_error("toggleHeadlineActions", e);
1490         }
1491 } */
1492
1493 /* function publishWithNote(id, def_note) {
1494         try {
1495                 if (!def_note) def_note = '';
1496
1497                 var note = prompt(__("Please enter a note for this article:"), def_note);
1498
1499                 if (note != undefined) {
1500                         togglePub(id, false, false, note);
1501                 }
1502
1503         } catch (e) {
1504                 exception_error("publishWithNote", e);
1505         }
1506 } */
1507
1508 function emailArticle(id) {
1509         try {
1510                 if (!id) {
1511                         var ids = getSelectedArticleIds2();
1512
1513                         if (ids.length == 0) {
1514                                 alert(__("No articles are selected."));
1515                                 return;
1516                         }
1517
1518                         id = ids.toString();
1519                 }
1520
1521                 if (dijit.byId("emailArticleDlg"))
1522                         dijit.byId("emailArticleDlg").destroyRecursive();
1523
1524                 var query = "backend.php?op=dlg&id=emailArticle&param=" + param_escape(id);
1525
1526                 dialog = new dijit.Dialog({
1527                         id: "emailArticleDlg",
1528                         title: __("Forward article by email"),
1529                         style: "width: 600px",
1530                         execute: function() {
1531                                 if (this.validate()) {
1532
1533                                         new Ajax.Request("backend.php", {
1534                                                 parameters: dojo.objectToQuery(this.attr('value')),
1535                                                 onComplete: function(transport) {
1536
1537                                                         var reply = JSON.parse(transport.responseText);
1538
1539                                                         var error = reply['error'];
1540
1541                                                         if (error) {
1542                                                                 alert(__('Error sending email:') + ' ' + error);
1543                                                         } else {
1544                                                                 notify_info('Your message has been sent.');
1545                                                                 dialog.hide();
1546                                                         }
1547
1548                                         } });
1549                                 }
1550                         },
1551                         href: query});
1552
1553                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1554                 dojo.disconnect(tmph);
1555
1556                    new Ajax.Autocompleter('emailArticleDlg_destination', 'emailArticleDlg_dst_choices',
1557                            "backend.php?op=rpc&subop=completeEmails",
1558                            { tokens: '', paramName: "search" });
1559                 });
1560
1561                 dialog.show();
1562
1563                 /* displayDlg('emailArticle', id,
1564                    function () {
1565                                 document.forms['article_email_form'].destination.focus();
1566
1567                            new Ajax.Autocompleter('destination', 'destination_choices',
1568                                    "backend.php?op=rpc&subop=completeEmails",
1569                                    { tokens: '', paramName: "search" });
1570
1571                         }); */
1572
1573         } catch (e) {
1574                 exception_error("emailArticle", e);
1575         }
1576 }
1577
1578 function dismissArticle(id) {
1579         try {
1580                 var elem = $("RROW-" + id);
1581
1582                 toggleUnread(id, 0, true);
1583
1584                 new Effect.Fade(elem, {duration : 0.5});
1585
1586                 active_post_id = false;
1587
1588         } catch (e) {
1589                 exception_error("dismissArticle", e);
1590         }
1591 }
1592
1593 function dismissSelectedArticles() {
1594         try {
1595
1596                 var ids = getVisibleArticleIds();
1597                 var tmp = [];
1598                 var sel = [];
1599
1600                 for (var i = 0; i < ids.length; i++) {
1601                         var elem = $("RROW-" + ids[i]);
1602
1603                         if (elem.className && elem.hasClassName("Selected") &&
1604                                         ids[i] != active_post_id) {
1605                                 new Effect.Fade(elem, {duration : 0.5});
1606                                 sel.push(ids[i]);
1607                         } else {
1608                                 tmp.push(ids[i]);
1609                         }
1610                 }
1611
1612                 if (sel.length > 0)
1613                         selectionToggleUnread(false);
1614
1615                 fixHeadlinesOrder(tmp);
1616
1617         } catch (e) {
1618                 exception_error("dismissSelectedArticles", e);
1619         }
1620 }
1621
1622 function dismissReadArticles() {
1623         try {
1624
1625                 var ids = getVisibleArticleIds();
1626                 var tmp = [];
1627
1628                 for (var i = 0; i < ids.length; i++) {
1629                         var elem = $("RROW-" + ids[i]);
1630
1631                         if (elem.className && !elem.hasClassName("Unread") &&
1632                                         !elem.hasClassName("Selected")) {
1633
1634                                 new Effect.Fade(elem, {duration : 0.5});
1635                         } else {
1636                                 tmp.push(ids[i]);
1637                         }
1638                 }
1639
1640                 fixHeadlinesOrder(tmp);
1641
1642         } catch (e) {
1643                 exception_error("dismissSelectedArticles", e);
1644         }
1645 }
1646
1647 function getVisibleArticleIds() {
1648         var ids = [];
1649
1650         try {
1651
1652                 getLoadedArticleIds().each(function(id) {
1653                         var elem = $("RROW-" + id);
1654                         if (elem && Element.visible(elem))
1655                                 ids.push(id);
1656                         });
1657
1658         } catch (e) {
1659                 exception_error("getVisibleArticleIds", e);
1660         }
1661
1662         return ids;
1663 }
1664
1665 function cdmClicked(event, id) {
1666         try {
1667                 //var shift_key = event.shiftKey;
1668
1669                 hideAuxDlg();
1670
1671                 if (!event.ctrlKey) {
1672
1673                         if (!getInitParam("cdm_expanded")) {
1674                                 return cdmExpandArticle(id);
1675                         } else {
1676
1677                                 selectArticles("none");
1678                                 toggleSelected(id);
1679
1680                                 var elem = $("RROW-" + id);
1681
1682                                 if (elem)
1683                                         elem.removeClassName("Unread");
1684
1685                                 var upd_img_pic = $("FUPDPIC-" + id);
1686
1687                                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1688                                                 upd_img_pic.src.match("fresh_sign.png"))) {
1689
1690                                         upd_img_pic.src = "images/blank_icon.gif";
1691                                 }
1692
1693                                 active_post_id = id;
1694
1695                                 var query = "?op=rpc&subop=catchupSelected" +
1696                                         "&cmode=0&ids=" + param_escape(id);
1697
1698                                 new Ajax.Request("backend.php", {
1699                                         parameters: query,
1700                                         onComplete: function(transport) {
1701                                                 handle_rpc_json(transport);
1702                                         } });
1703
1704                                 return true;
1705                         }
1706
1707                 } else {
1708                         toggleSelected(id, true);
1709                         toggleUnread(id, 0, false);
1710                         zoomToArticle(event, id);
1711                 }
1712
1713         } catch (e) {
1714                 exception_error("cdmClicked");
1715         }
1716
1717         return false;
1718 }
1719
1720 function postClicked(event, id) {
1721         try {
1722
1723                 if (!event.ctrlKey) {
1724                         return true;
1725                 } else {
1726                         postOpenInNewTab(event, id);
1727                         return false;
1728                 }
1729
1730         } catch (e) {
1731                 exception_error("postClicked");
1732         }
1733 }
1734
1735 function hlOpenInNewTab(event, id) {
1736         toggleUnread(id, 0, false);
1737         zoomToArticle(event, id);
1738 }
1739
1740 function postOpenInNewTab(event, id) {
1741         closeArticlePanel(id);
1742         zoomToArticle(event, id);
1743 }
1744
1745 function hlClicked(event, id) {
1746         try {
1747                 if (event.which == 2) {
1748                         view(id);
1749                         return true;
1750                 } else if (event.altKey) {
1751                         openArticleInNewWindow(id);
1752                 } else if (!event.ctrlKey) {
1753                         view(id);
1754                         return false;
1755                 } else {
1756                         toggleSelected(id);
1757                         toggleUnread(id, 0, false);
1758                         zoomToArticle(event, id);
1759                         return false;
1760                 }
1761
1762         } catch (e) {
1763                 exception_error("hlClicked");
1764         }
1765 }
1766
1767 function getFirstVisibleHeadlineId() {
1768         var rows = getVisibleArticleIds();
1769         return rows[0];
1770
1771 }
1772
1773 function getLastVisibleHeadlineId() {
1774         var rows = getVisibleArticleIds();
1775         return rows[rows.length-1];
1776 }
1777
1778 function openArticleInNewWindow(id) {
1779         toggleUnread(id, 0, false);
1780         window.open("backend.php?op=la&id=" + id);
1781 }
1782
1783 function isCdmMode() {
1784         return getInitParam("combined_display_mode");
1785 }
1786
1787 function markHeadline(id) {
1788         var row = $("RROW-" + id);
1789         if (row) {
1790                 var check = $("RCHK-" + id);
1791
1792                 if (check) {
1793                         check.checked = true;
1794                 }
1795
1796                 row.addClassName("Selected");
1797         }
1798 }
1799
1800 function getRelativePostIds(id, limit) {
1801
1802         var tmp = [];
1803
1804         try {
1805
1806                 if (!limit) limit = 6; //3
1807
1808                 var ids = getVisibleArticleIds();
1809
1810                 for (var i = 0; i < ids.length; i++) {
1811                         if (ids[i] == id) {
1812                                 for (var k = 1; k <= limit; k++) {
1813                                         //if (i > k-1) tmp.push(ids[i-k]);
1814                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1815                                 }
1816                                 break;
1817                         }
1818                 }
1819
1820         } catch (e) {
1821                 exception_error("getRelativePostIds", e);
1822         }
1823
1824         return tmp;
1825 }
1826
1827 function correctHeadlinesOffset(id) {
1828
1829         try {
1830
1831                 var container = $("headlines-frame");
1832                 var row = $("RROW-" + id);
1833
1834                 var viewport = container.offsetHeight;
1835
1836                 var rel_offset_top = row.offsetTop - container.scrollTop;
1837                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1838
1839                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1840                 //console.log("Vport: " + viewport);
1841
1842                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1843                         container.scrollTop = row.offsetTop;
1844                 } else if (rel_offset_bottom > viewport) {
1845
1846                         /* doesn't properly work with Opera in some cases because
1847                                 Opera fucks up element scrolling */
1848
1849                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1850                 }
1851
1852         } catch (e) {
1853                 exception_error("correctHeadlinesOffset", e);
1854         }
1855
1856 }
1857
1858 function headlineActionsChange(elem) {
1859         try {
1860                 eval(elem.value);
1861                 elem.attr('value', 'false');
1862         } catch (e) {
1863                 exception_error("headlineActionsChange", e);
1864         }
1865 }
1866
1867 function closeArticlePanel() {
1868
1869         var tabs = dijit.byId("content-tabs");
1870         var child = tabs.selectedChildWidget;
1871
1872         if (child && tabs.getIndexOfChild(child) > 0) {
1873                 tabs.removeChild(child);
1874                 child.destroy();
1875         } else {
1876                 if (dijit.byId("content-insert"))
1877                         dijit.byId("headlines-wrap-inner").removeChild(
1878                                 dijit.byId("content-insert"));
1879         }
1880 }
1881
1882 function initHeadlinesMenu() {
1883         try {
1884                 if (dijit.byId("headlinesMenu"))
1885                         dijit.byId("headlinesMenu").destroyRecursive();
1886
1887                 var ids = [];
1888
1889                 if (!isCdmMode()) {
1890                         nodes = $$("#headlines-frame > div[id*=RROW]");
1891                 } else {
1892                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1893                 }
1894
1895                 nodes.each(function(node) {
1896                         ids.push(node.id);
1897                 });
1898
1899                 var menu = new dijit.Menu({
1900                         id: "headlinesMenu",
1901                         targetNodeIds: ids,
1902                 });
1903
1904                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1905                         var callerNode = event.target, match = null, tries = 0;
1906
1907                         while (match == null && callerNode && tries <= 3) {
1908                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1909                                 callerNode = callerNode.parentNode;
1910                                 ++tries;
1911                         }
1912
1913                         if (match) this.callerRowId = parseInt(match[1]);
1914
1915                 });
1916
1917 /*              if (!isCdmMode())
1918                         menu.addChild(new dijit.MenuItem({
1919                                 label: __("View article"),
1920                                 onClick: function(event) {
1921                                         view(this.getParent().callerRowId);
1922                                 }})); */
1923
1924                 menu.addChild(new dijit.MenuItem({
1925                         label: __("Open original article"),
1926                         onClick: function(event) {
1927                                 openArticleInNewWindow(this.getParent().callerRowId);
1928                         }}));
1929
1930                 menu.addChild(new dijit.MenuItem({
1931                         label: __("View in a tt-rss tab"),
1932                         onClick: function(event) {
1933                                 hlOpenInNewTab(event, this.getParent().callerRowId);
1934                                 }}));
1935
1936 //              menu.addChild(new dijit.MenuSeparator());
1937
1938                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1939
1940                 if (labels) {
1941
1942                         menu.addChild(new dijit.MenuSeparator());
1943
1944                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1945                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1946
1947                         labels.each(function(label) {
1948                                 var id = label.id[0];
1949                                 var bare_id = id.substr(id.indexOf(":")+1);
1950                                 var name = label.name[0];
1951
1952                                 bare_id = -11-bare_id;
1953
1954                                 labelAddMenu.addChild(new dijit.MenuItem({
1955                                         label: name,
1956                                         labelId: bare_id,
1957                                         onClick: function(event) {
1958                                                 selectionAssignLabel(this.labelId,
1959                                                         [this.getParent().ownerMenu.callerRowId]);
1960                                 }}));
1961
1962                                 labelDelMenu.addChild(new dijit.MenuItem({
1963                                         label: name,
1964                                         labelId: bare_id,
1965                                         onClick: function(event) {
1966                                                 selectionRemoveLabel(this.labelId,
1967                                                         [this.getParent().ownerMenu.callerRowId]);
1968                                 }}));
1969
1970                         });
1971
1972                         menu.addChild(new dijit.PopupMenuItem({
1973                                 label: __("Assign label"),
1974                                 popup: labelAddMenu,
1975                         }));
1976
1977                         menu.addChild(new dijit.PopupMenuItem({
1978                                 label: __("Remove label"),
1979                                 popup: labelDelMenu,
1980                         }));
1981
1982                 }
1983
1984                 menu.startup();
1985
1986         } catch (e) {
1987                 exception_error("initHeadlinesMenu", e);
1988         }
1989 }
1990
1991 function tweetArticle(id) {
1992         try {
1993                 var query = "?op=rpc&subop=getTweetInfo&id=" + param_escape(id);
1994
1995                 console.log(query);
1996
1997                 var d = new Date();
1998       var ts = d.getTime();
1999
2000                 var w = window.open('backend.php?op=loading', 'ttrss_tweet',
2001                         "status=0,toolbar=0,location=0,width=500,height=400,scrollbars=1,menubar=0");
2002
2003                 new Ajax.Request("backend.php", {
2004                         parameters: query,
2005                         onComplete: function(transport) {
2006                                 var ti = JSON.parse(transport.responseText);
2007
2008                                 var share_url = "http://twitter.com/share?_=" + ts +
2009                                         "&text=" + param_escape(ti.title) +
2010                                         "&url=" + param_escape(ti.link);
2011
2012                                 w.location.href = share_url;
2013
2014                         } });
2015
2016
2017         } catch (e) {
2018                 exception_error("tweetArticle", e);
2019         }
2020 }
2021
2022 function editArticleNote(id) {
2023         try {
2024
2025                 var query = "backend.php?op=dlg&id=editArticleNote&param=" + param_escape(id);
2026
2027                 if (dijit.byId("editNoteDlg"))
2028                         dijit.byId("editNoteDlg").destroyRecursive();
2029
2030                 dialog = new dijit.Dialog({
2031                         id: "editNoteDlg",
2032                         title: __("Edit article note"),
2033                         style: "width: 600px",
2034                         execute: function() {
2035                                 if (this.validate()) {
2036                                         var query = dojo.objectToQuery(this.attr('value'));
2037
2038                                         notify_progress("Saving article note...", true);
2039
2040                                         new Ajax.Request("backend.php", {
2041                                         parameters: query,
2042                                         onComplete: function(transport) {
2043                                                 notify('');
2044                                                 dialog.hide();
2045
2046                                                 var reply = JSON.parse(transport.responseText);
2047
2048                                                 cache_delete("article:" + id);
2049
2050                                                 var elem = $("POSTNOTE-" + id);
2051
2052                                                 if (elem) {
2053                                                         Element.hide(elem);
2054                                                         elem.innerHTML = reply.note;
2055
2056                                                         if (reply.raw_length != 0)
2057                                                                 new Effect.Appear(elem);
2058                                                 }
2059
2060                                         }});
2061                                 }
2062                         },
2063                         href: query,
2064                 });
2065
2066                 dialog.show();
2067
2068         } catch (e) {
2069                 exception_error("editArticleNote", e);
2070         }
2071 }
2072
2073 function player(elem) {
2074         var aid = elem.getAttribute("audio-id");
2075         var status = elem.getAttribute("status");
2076
2077         var audio = $(aid);
2078
2079         if (audio) {
2080                 if (status == 0) {
2081                         audio.play();
2082                         status = 1;
2083                         elem.innerHTML = __("Playing...");
2084                         elem.title = __("Click to pause");
2085                         elem.addClassName("playing");
2086                 } else {
2087                         audio.pause();
2088                         status = 0;
2089                         elem.innerHTML = __("Play");
2090                         elem.title = __("Click to play");
2091                         elem.removeClassName("playing");
2092                 }
2093
2094                 elem.setAttribute("status", status);
2095         } else {
2096                 alert("Your browser doesn't seem to support HTML5 audio.");
2097         }
2098 }
2099
2100 function cache_set(id, obj) {
2101         //console.log("cache_set: " + id);
2102         if (has_storage)
2103                 try {
2104                         sessionStorage[id] = obj;
2105                 } catch (e) {
2106                         sessionStorage.clear();
2107                 }
2108 }
2109
2110 function cache_get(id) {
2111         if (has_storage)
2112                 return sessionStorage[id];
2113 }
2114
2115 function cache_clear() {
2116         if (has_storage)
2117                 sessionStorage.clear();
2118 }
2119
2120 function cache_delete(id) {
2121         if (has_storage)
2122                 sessionStorage.removeItem(id);
2123 }
2124
2125 function cache_headlines(feed, is_cat, toolbar_obj, content_obj) {
2126         if (toolbar_obj && content_obj) {
2127                 cache_set("feed:" + feed + ":" + is_cat,
2128                         JSON.stringify({toolbar: toolbar_obj, content: content_obj}));
2129         } else {
2130                 try {
2131                         obj =   cache_get("feed:" + feed + ":" + is_cat);
2132
2133                         if (obj) {
2134                                 obj = JSON.parse(obj);
2135
2136                                 if (toolbar_obj) obj.toolbar = toolbar_obj;
2137                                 if (content_obj) obj.content = content_obj;
2138
2139                                 cache_set("feed:" + feed + ":" + is_cat, JSON.stringify(obj));
2140                         }
2141
2142                 } catch (e) {
2143                         console.warn("cache_headlines failed: " + e);
2144                 }
2145         }
2146 }
2147
2148 function render_local_headlines(feed, is_cat, obj) {
2149         try {
2150
2151                 dijit.byId("headlines-toolbar").attr('content',
2152                         obj.toolbar);
2153
2154                 dijit.byId("headlines-frame").attr('content',
2155                         obj.content);
2156
2157                 dojo.parser.parse('headlines-toolbar');
2158
2159                 $("headlines-frame").scrollTop = 0;
2160                 selectArticles('none');
2161                 setActiveFeedId(feed, is_cat);
2162                 initHeadlinesMenu();
2163
2164                 precache_headlines();
2165
2166         } catch (e) {
2167                 exception_error("render_local_headlines", e);
2168         }
2169 }
2170
2171 function precache_headlines_idle() {
2172         try {
2173                 if (!feed_precache_timeout_id) {
2174                         var feeds = dijit.byId("feedTree").getVisibleUnreadFeeds();
2175                         var uncached = [];
2176
2177                         feeds.each(function(item) {
2178                                 if (parseInt(item[0]) > 0 && !cache_get("feed:" + item[0] + ":" + item[1]))
2179                                         uncached.push(item);
2180                         });
2181
2182                         if (uncached.length > 0) {
2183                                 var rf = uncached[Math.floor(Math.random()*uncached.length)];
2184                                 viewfeed(rf[0], '', rf[1], 0, true);
2185                         }
2186                 }
2187                 precache_idle_timeout_id = setTimeout("precache_headlines_idle()", 1000*30);
2188
2189         } catch (e) {
2190                 exception_error("precache_headlines_idle", e);
2191         }
2192 }
2193
2194 function precache_headlines() {
2195         try {
2196
2197                 if (!feed_precache_timeout_id) {
2198                         feed_precache_timeout_id = window.setTimeout(function() {
2199                                 var nuf = getNextUnreadFeed(getActiveFeedId(), activeFeedIsCat());
2200                                 var nf = dijit.byId("feedTree").getNextFeed(getActiveFeedId(), activeFeedIsCat());
2201
2202                                 if (nuf && !cache_get("feed:" + nuf + ":" + activeFeedIsCat()))
2203                                         viewfeed(nuf, '', activeFeedIsCat(), 0, true);
2204
2205                                 if (nf != nuf && nf && !cache_get("feed:" + nf[0] + ":" + nf[1]))
2206                                         viewfeed(nf[0], '', nf[1], 0, true);
2207
2208                                 window.setTimeout(function() {
2209                                         feed_precache_timeout_id = false;
2210                                         }, 3000);
2211                         }, 1000);
2212                 }
2213
2214         } catch (e) {
2215                 exception_error("precache_headlines", e);
2216         }
2217 }
2218
2219 function shareArticle(id) {
2220         try {
2221                 if (dijit.byId("shareArticleDlg"))
2222                         dijit.byId("shareArticleDlg").destroyRecursive();
2223
2224                 var query = "backend.php?op=dlg&id=shareArticle&param=" + param_escape(id);
2225
2226                 dialog = new dijit.Dialog({
2227                         id: "shareArticleDlg",
2228                         title: __("Share article by URL"),
2229                         style: "width: 600px",
2230                         href: query});
2231
2232                 dialog.show();
2233
2234         } catch (e) {
2235                 exception_error("emailArticle", e);
2236         }
2237 }
2238
2239