js/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=article&method=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 toggleMark(id, client_only) {
 408         try {
 409                 var query = "?op=rpc&id=" + id + "&method=mark";
 410
 411                 var img = $("FMPIC-" + id);
 412
 413                 if (!img) return;
 414
 415                 if (img.src.match("mark_unset")) {
 416                         img.src = img.src.replace("mark_unset", "mark_set");
 417                         img.alt = __("Unstar article");
 418                         query = query + "&mark=1";
 419
 420                 } else {
 421                         img.src = img.src.replace("mark_set", "mark_unset");
 422                         img.alt = __("Star article");
 423                         query = query + "&mark=0";
 424                 }
 425
 426                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 427
 428                 if (!client_only) {
 429                         new Ajax.Request("backend.php", {
 430                                 parameters: query,
 431                                 onComplete: function(transport) {
 432                                         handle_rpc_json(transport);
 433                                 } });
 434                 }
 435
 436         } catch (e) {
 437                 exception_error("toggleMark", e);
 438         }
 439 }
 440
 441 function togglePub(id, client_only, no_effects, note) {
 442         try {
 443                 var query = "?op=rpc&id=" + id + "&method=publ";
 444
 445                 if (note != undefined) {
 446                         query = query + "&note=" + param_escape(note);
 447                 } else {
 448                         query = query + "&note=undefined";
 449                 }
 450
 451                 var img = $("FPPIC-" + id);
 452
 453                 if (!img) return;
 454
 455                 if (img.src.match("pub_unset") || note != undefined) {
 456                         img.src = img.src.replace("pub_unset", "pub_set");
 457                         img.alt = __("Unpublish article");
 458                         query = query + "&pub=1";
 459
 460                 } else {
 461                         img.src = img.src.replace("pub_set", "pub_unset");
 462                         img.alt = __("Publish article");
 463
 464                         query = query + "&pub=0";
 465                 }
 466
 467                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 468
 469                 if (!client_only) {
 470                         new Ajax.Request("backend.php", {
 471                                 parameters: query,
 472                                 onComplete: function(transport) {
 473                                         handle_rpc_json(transport);
 474                                 } });
 475                 }
 476
 477         } catch (e) {
 478                 exception_error("togglePub", e);
 479         }
 480 }
 481
 482 function moveToPost(mode) {
 483
 484         try {
 485
 486                 var rows = getVisibleArticleIds();
 487
 488                 var prev_id = false;
 489                 var next_id = false;
 490
 491                 if (!$('RROW-' + active_post_id)) {
 492                         active_post_id = false;
 493                 }
 494
 495                 if (active_post_id == false) {
 496                         next_id = getFirstVisibleHeadlineId();
 497                         prev_id = getLastVisibleHeadlineId();
 498                 } else {
 499                         for (var i = 0; i < rows.length; i++) {
 500                                 if (rows[i] == active_post_id) {
 501                                         prev_id = rows[i-1];
 502                                         next_id = rows[i+1];
 503                                 }
 504                         }
 505                 }
 506
 507                 if (mode == "next") {
 508                         if (next_id) {
 509                                 if (isCdmMode()) {
 510
 511                                         cdmExpandArticle(next_id);
 512                                         cdmScrollToArticleId(next_id);
 513
 514                                 } else {
 515                                         correctHeadlinesOffset(next_id);
 516                                         view(next_id, getActiveFeedId());
 517                                 }
 518                         }
 519                 }
 520
 521                 if (mode == "prev") {
 522                         if (prev_id) {
 523                                 if (isCdmMode()) {
 524                                         cdmExpandArticle(prev_id);
 525                                         cdmScrollToArticleId(prev_id);
 526                                 } else {
 527                                         correctHeadlinesOffset(prev_id);
 528                                         view(prev_id, getActiveFeedId());
 529                                 }
 530                         }
 531                 }
 532
 533         } catch (e) {
 534                 exception_error("moveToPost", e);
 535         }
 536 }
 537
 538 function toggleSelected(id, force_on) {
 539         try {
 540
 541                 var cb = $("RCHK-" + id);
 542                 var row = $("RROW-" + id);
 543
 544                 if (row) {
 545                         if (row.hasClassName('Selected') && !force_on) {
 546                                 row.removeClassName('Selected');
 547                                 if (cb) cb.checked = false;
 548                         } else {
 549                                 row.addClassName('Selected');
 550                                 if (cb) cb.checked = true;
 551                         }
 552                 }
 553         } catch (e) {
 554                 exception_error("toggleSelected", e);
 555         }
 556 }
 557
 558 function toggleUnread_afh(effect) {
 559         try {
 560
 561                 var elem = effect.element;
 562                 elem.style.backgroundColor = "";
 563
 564         } catch (e) {
 565                 exception_error("toggleUnread_afh", e);
 566         }
 567 }
 568
 569 function toggleUnread(id, cmode, effect) {
 570         try {
 571
 572                 var row = $("RROW-" + id);
 573                 if (row) {
 574                         if (cmode == undefined || cmode == 2) {
 575                                 if (row.hasClassName("Unread")) {
 576                                         row.removeClassName("Unread");
 577
 578                                         if (effect) {
 579                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 580                                                         afterFinish: toggleUnread_afh,
 581                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 582                                         }
 583
 584                                 } else {
 585                                         row.addClassName("Unread");
 586                                 }
 587
 588                         } else if (cmode == 0) {
 589
 590                                 row.removeClassName("Unread");
 591
 592                                 if (effect) {
 593                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 594                                                 afterFinish: toggleUnread_afh,
 595                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 596                                 }
 597
 598                         } else if (cmode == 1) {
 599                                 row.addClassName("Unread");
 600                         }
 601
 602                         if (cmode == undefined) cmode = 2;
 603
 604                         var query = "?op=rpc&method=catchupSelected" +
 605                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 606
 607 //                      notify_progress("Loading, please wait...");
 608
 609                         new Ajax.Request("backend.php", {
 610                                 parameters: query,
 611                                 onComplete: function(transport) {
 612                                         handle_rpc_json(transport);
 613                                 } });
 614
 615                 }
 616
 617         } catch (e) {
 618                 exception_error("toggleUnread", e);
 619         }
 620 }
 621
 622 function selectionRemoveLabel(id, ids) {
 623         try {
 624
 625                 if (!ids) ids = getSelectedArticleIds2();
 626
 627                 if (ids.length == 0) {
 628                         alert(__("No articles are selected."));
 629                         return;
 630                 }
 631
 632                 var query = "?op=rpc&method=removeFromLabel&ids=" +
 633                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 634
 635                 console.log(query);
 636
 637                 new Ajax.Request("backend.php", {
 638                         parameters: query,
 639                         onComplete: function(transport) {
 640                                 handle_rpc_json(transport);
 641                                 show_labels_in_headlines(transport);
 642                         } });
 643
 644         } catch (e) {
 645                 exception_error("selectionAssignLabel", e);
 646
 647         }
 648 }
 649
 650 function selectionAssignLabel(id, ids) {
 651         try {
 652
 653                 if (!ids) ids = getSelectedArticleIds2();
 654
 655                 if (ids.length == 0) {
 656                         alert(__("No articles are selected."));
 657                         return;
 658                 }
 659
 660                 var query = "?op=rpc&method=assignToLabel&ids=" +
 661                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 662
 663                 console.log(query);
 664
 665                 new Ajax.Request("backend.php", {
 666                         parameters: query,
 667                         onComplete: function(transport) {
 668                                 handle_rpc_json(transport);
 669                                 show_labels_in_headlines(transport);
 670                         } });
 671
 672         } catch (e) {
 673                 exception_error("selectionAssignLabel", e);
 674
 675         }
 676 }
 677
 678 function selectionToggleUnread(set_state, callback, no_error) {
 679         try {
 680                 var rows = getSelectedArticleIds2();
 681
 682                 if (rows.length == 0 && !no_error) {
 683                         alert(__("No articles are selected."));
 684                         return;
 685                 }
 686
 687                 for (var i = 0; i < rows.length; i++) {
 688                         var row = $("RROW-" + rows[i]);
 689                         if (row) {
 690                                 if (set_state == undefined) {
 691                                         if (row.hasClassName("Unread")) {
 692                                                 row.removeClassName("Unread");
 693                                         } else {
 694                                                 row.addClassName("Unread");
 695                                         }
 696                                 }
 697
 698                                 if (set_state == false) {
 699                                         row.removeClassName("Unread");
 700                                 }
 701
 702                                 if (set_state == true) {
 703                                         row.addClassName("Unread");
 704                                 }
 705                         }
 706                 }
 707
 708                 if (rows.length > 0) {
 709
 710                         var cmode = "";
 711
 712                         if (set_state == undefined) {
 713                                 cmode = "2";
 714                         } else if (set_state == true) {
 715                                 cmode = "1";
 716                         } else if (set_state == false) {
 717                                 cmode = "0";
 718                         }
 719
 720                         var query = "?op=rpc&method=catchupSelected" +
 721                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 722
 723                         notify_progress("Loading, please wait...");
 724
 725                         new Ajax.Request("backend.php", {
 726                                 parameters: query,
 727                                 onComplete: function(transport) {
 728                                         handle_rpc_json(transport);
 729                                         if (callback) callback(transport);
 730                                 } });
 731
 732                 }
 733
 734         } catch (e) {
 735                 exception_error("selectionToggleUnread", e);
 736         }
 737 }
 738
 739 function selectionToggleMarked() {
 740         try {
 741
 742                 var rows = getSelectedArticleIds2();
 743
 744                 if (rows.length == 0) {
 745                         alert(__("No articles are selected."));
 746                         return;
 747                 }
 748
 749                 for (var i = 0; i < rows.length; i++) {
 750                         toggleMark(rows[i], true, true);
 751                 }
 752
 753                 if (rows.length > 0) {
 754
 755                         var query = "?op=rpc&method=markSelected&ids=" +
 756                                 param_escape(rows.toString()) + "&cmode=2";
 757
 758                         new Ajax.Request("backend.php", {
 759                                 parameters: query,
 760                                 onComplete: function(transport) {
 761                                         handle_rpc_json(transport);
 762                                 } });
 763
 764                 }
 765
 766         } catch (e) {
 767                 exception_error("selectionToggleMarked", e);
 768         }
 769 }
 770
 771 function selectionTogglePublished() {
 772         try {
 773
 774                 var rows = getSelectedArticleIds2();
 775
 776                 if (rows.length == 0) {
 777                         alert(__("No articles are selected."));
 778                         return;
 779                 }
 780
 781                 for (var i = 0; i < rows.length; i++) {
 782                         togglePub(rows[i], true, true);
 783                 }
 784
 785                 if (rows.length > 0) {
 786
 787                         var query = "?op=rpc&method=publishSelected&ids=" +
 788                                 param_escape(rows.toString()) + "&cmode=2";
 789
 790                         new Ajax.Request("backend.php", {
 791                                 parameters: query,
 792                                 onComplete: function(transport) {
 793                                         handle_rpc_json(transport);
 794                                 } });
 795
 796                 }
 797
 798         } catch (e) {
 799                 exception_error("selectionToggleMarked", e);
 800         }
 801 }
 802
 803 function getSelectedArticleIds2() {
 804
 805         var rv = [];
 806
 807         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 808                 function(child) {
 809                         rv.push(child.id.replace("RROW-", ""));
 810                 });
 811
 812         return rv;
 813 }
 814
 815 function getLoadedArticleIds() {
 816         var rv = [];
 817
 818         var children = $$("#headlines-frame > div[id*=RROW-]");
 819
 820         children.each(function(child) {
 821                         rv.push(child.id.replace("RROW-", ""));
 822                 });
 823
 824         return rv;
 825
 826 }
 827
 828 // mode = all,none,unread,invert
 829 function selectArticles(mode) {
 830         try {
 831
 832                 var children = $$("#headlines-frame > div[id*=RROW]");
 833
 834                 children.each(function(child) {
 835                         var id = child.id.replace("RROW-", "");
 836                         var cb = $("RCHK-" + id);
 837
 838                         if (mode == "all") {
 839                                 child.addClassName("Selected");
 840                                 cb.checked = true;
 841                         } else if (mode == "unread") {
 842                                 if (child.hasClassName("Unread")) {
 843                                         child.addClassName("Selected");
 844                                         cb.checked = true;
 845                                 } else {
 846                                         child.removeClassName("Selected");
 847                                         cb.checked = false;
 848                                 }
 849                         } else if (mode == "invert") {
 850                                 if (child.hasClassName("Selected")) {
 851                                         child.removeClassName("Selected");
 852                                         cb.checked = false;
 853                                 } else {
 854                                         child.addClassName("Selected");
 855                                         cb.checked = true;
 856                                 }
 857
 858                         } else {
 859                                 child.removeClassName("Selected");
 860                                 cb.checked = false;
 861                         }
 862                 });
 863
 864         } catch (e) {
 865                 exception_error("selectArticles", e);
 866         }
 867 }
 868
 869 function catchupPage() {
 870
 871         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 872
 873         var str = __("Mark all visible articles in %s as read?");
 874
 875         str = str.replace("%s", fn);
 876
 877         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 878                 return;
 879         }
 880
 881         selectArticles('all');
 882         selectionToggleUnread(false, 'viewCurrentFeed()', true);
 883         selectArticles('none');
 884 }
 885
 886 function deleteSelection() {
 887
 888         try {
 889
 890                 var rows = getSelectedArticleIds2();
 891
 892                 if (rows.length == 0) {
 893                         alert(__("No articles are selected."));
 894                         return;
 895                 }
 896
 897                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 898                 var str;
 899
 900                 if (getActiveFeedId() != 0) {
 901                         str = __("Delete %d selected articles in %s?");
 902                 } else {
 903                         str = __("Delete %d selected articles?");
 904                 }
 905
 906                 str = str.replace("%d", rows.length);
 907                 str = str.replace("%s", fn);
 908
 909                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 910                         return;
 911                 }
 912
 913                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
 914
 915                 console.log(query);
 916
 917                 new Ajax.Request("backend.php", {
 918                         parameters: query,
 919                         onComplete: function(transport) {
 920                                         handle_rpc_json(transport);
 921                                         viewCurrentFeed();
 922                                 } });
 923
 924         } catch (e) {
 925                 exception_error("deleteSelection", e);
 926         }
 927 }
 928
 929 function archiveSelection() {
 930
 931         try {
 932
 933                 var rows = getSelectedArticleIds2();
 934
 935                 if (rows.length == 0) {
 936                         alert(__("No articles are selected."));
 937                         return;
 938                 }
 939
 940                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 941                 var str;
 942                 var op;
 943
 944                 if (getActiveFeedId() != 0) {
 945                         str = __("Archive %d selected articles in %s?");
 946                         op = "archive";
 947                 } else {
 948                         str = __("Move %d archived articles back?");
 949                         op = "unarchive";
 950                 }
 951
 952                 str = str.replace("%d", rows.length);
 953                 str = str.replace("%s", fn);
 954
 955                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 956                         return;
 957                 }
 958
 959                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
 960
 961                 console.log(query);
 962
 963                 for (var i = 0; i < rows.length; i++) {
 964                         cache_delete("article:" + rows[i]);
 965                 }
 966
 967                 new Ajax.Request("backend.php", {
 968                         parameters: query,
 969                         onComplete: function(transport) {
 970                                         handle_rpc_json(transport);
 971                                         viewCurrentFeed();
 972                                 } });
 973
 974         } catch (e) {
 975                 exception_error("archiveSelection", e);
 976         }
 977 }
 978
 979 function catchupSelection() {
 980
 981         try {
 982
 983                 var rows = getSelectedArticleIds2();
 984
 985                 if (rows.length == 0) {
 986                         alert(__("No articles are selected."));
 987                         return;
 988                 }
 989
 990                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 991
 992                 var str = __("Mark %d selected articles in %s as read?");
 993
 994                 str = str.replace("%d", rows.length);
 995                 str = str.replace("%s", fn);
 996
 997                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 998                         return;
 999                 }
1000
1001                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1002
1003         } catch (e) {
1004                 exception_error("catchupSelection", e);
1005         }
1006 }
1007
1008 function editArticleTags(id) {
1009                 var query = "backend.php?op=dlg&method=editArticleTags&param=" + param_escape(id);
1010
1011                 if (dijit.byId("editTagsDlg"))
1012                         dijit.byId("editTagsDlg").destroyRecursive();
1013
1014                 dialog = new dijit.Dialog({
1015                         id: "editTagsDlg",
1016                         title: __("Edit article Tags"),
1017                         style: "width: 600px",
1018                         execute: function() {
1019                                 if (this.validate()) {
1020                                         var query = dojo.objectToQuery(this.attr('value'));
1021
1022                                         notify_progress("Saving article tags...", true);
1023
1024                                         new Ajax.Request("backend.php", {
1025                                         parameters: query,
1026                                         onComplete: function(transport) {
1027                                                 notify('');
1028                                                 dialog.hide();
1029
1030                                                 var data = JSON.parse(transport.responseText);
1031
1032                                                 if (data) {
1033                                                         var tags_str = article.tags;
1034                                                         var id = tags_str.id;
1035
1036                                                         var tags = $("ATSTR-" + id);
1037                                                         var tooltip = dijit.byId("ATSTRTIP-" + id);
1038
1039                                                         if (tags) tags.innerHTML = tags_str.content;
1040                                                         if (tooltip) tooltip.attr('label', tags_str.content_full);
1041
1042                                                         cache_delete("article:" + id);
1043                                                 }
1044
1045                                         }});
1046                                 }
1047                         },
1048                         href: query,
1049                 });
1050
1051                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1052                 dojo.disconnect(tmph);
1053
1054                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1055                            "backend.php?op=rpc&method=completeTags",
1056                            { tokens: ',', paramName: "search" });
1057                 });
1058
1059                 dialog.show();
1060
1061 }
1062
1063 function cdmScrollToArticleId(id) {
1064         try {
1065                 var ctr = $("headlines-frame");
1066                 var e = $("RROW-" + id);
1067
1068                 if (!e || !ctr) return;
1069
1070                 ctr.scrollTop = e.offsetTop;
1071
1072         } catch (e) {
1073                 exception_error("cdmScrollToArticleId", e);
1074         }
1075 }
1076
1077 function getActiveArticleId() {
1078         return active_post_id;
1079 }
1080
1081 function postMouseIn(id) {
1082         post_under_pointer = id;
1083 }
1084
1085 function postMouseOut(id) {
1086         post_under_pointer = false;
1087 }
1088
1089 function headlines_scroll_handler(e) {
1090         try {
1091                 var hsp = $("headlines-spacer");
1092
1093                 if (!_infscroll_disable) {
1094                         if (hsp && (e.scrollTop + e.offsetHeight > hsp.offsetTop) ||
1095                                         e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
1096
1097                                 if (hsp)
1098                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1099                                                 __("Loading, please wait...");
1100
1101                                 loadMoreHeadlines();
1102                                 return;
1103
1104                         }
1105                 } else {
1106                         if (hsp) hsp.innerHTML = "";
1107                 }
1108
1109                 if (getInitParam("cdm_auto_catchup") == 1) {
1110
1111                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1112                                 function(child) {
1113                                         if ($("headlines-frame").scrollTop >
1114                                                         (child.offsetTop + child.offsetHeight/2)) {
1115
1116                                                 var id = child.id.replace("RROW-", "");
1117
1118                                                 if (catchup_id_batch.indexOf(id) == -1)
1119                                                         catchup_id_batch.push(id);
1120
1121                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1122                                         }
1123                                 });
1124
1125                         if (catchup_id_batch.length > 0) {
1126                                 window.clearTimeout(catchup_timeout_id);
1127
1128                                 if (!_infscroll_request_sent) {
1129                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1130                                                 2000);
1131                                 }
1132                         }
1133                 }
1134
1135         } catch (e) {
1136                 console.warn("headlines_scroll_handler: " + e);
1137         }
1138 }
1139
1140 function catchupBatchedArticles() {
1141         try {
1142                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1143
1144                         var query = "?op=rpc&method=catchupSelected" +
1145                                 "&cmode=0&ids=" + param_escape(catchup_id_batch.toString());
1146
1147                         new Ajax.Request("backend.php", {
1148                                 parameters: query,
1149                                 onComplete: function(transport) {
1150                                         handle_rpc_json(transport);
1151
1152                                         catchup_id_batch.each(function(id) {
1153                                                 var elem = $("RROW-" + id);
1154                                                 if (elem) elem.removeClassName("Unread");
1155                                         });
1156
1157                                         catchup_id_batch = [];
1158                                 } });
1159                 }
1160
1161         } catch (e) {
1162                 exception_error("catchupBatchedArticles", e);
1163         }
1164 }
1165
1166 function catchupRelativeToArticle(below, id) {
1167
1168         try {
1169
1170                 if (!id) id = getActiveArticleId();
1171
1172                 if (!id) {
1173                         alert(__("No article is selected."));
1174                         return;
1175                 }
1176
1177                 var visible_ids = getVisibleArticleIds();
1178
1179                 var ids_to_mark = new Array();
1180
1181                 if (!below) {
1182                         for (var i = 0; i < visible_ids.length; i++) {
1183                                 if (visible_ids[i] != id) {
1184                                         var e = $("RROW-" + visible_ids[i]);
1185
1186                                         if (e && e.hasClassName("Unread")) {
1187                                                 ids_to_mark.push(visible_ids[i]);
1188                                         }
1189                                 } else {
1190                                         break;
1191                                 }
1192                         }
1193                 } else {
1194                         for (var i = visible_ids.length-1; i >= 0; i--) {
1195                                 if (visible_ids[i] != id) {
1196                                         var e = $("RROW-" + visible_ids[i]);
1197
1198                                         if (e && e.hasClassName("Unread")) {
1199                                                 ids_to_mark.push(visible_ids[i]);
1200                                         }
1201                                 } else {
1202                                         break;
1203                                 }
1204                         }
1205                 }
1206
1207                 if (ids_to_mark.length == 0) {
1208                         alert(__("No articles found to mark"));
1209                 } else {
1210                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1211
1212                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1213
1214                                 for (var i = 0; i < ids_to_mark.length; i++) {
1215                                         var e = $("RROW-" + ids_to_mark[i]);
1216                                         e.removeClassName("Unread");
1217                                 }
1218
1219                                 var query = "?op=rpc&method=catchupSelected" +
1220                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1221
1222                                 new Ajax.Request("backend.php", {
1223                                         parameters: query,
1224                                         onComplete: function(transport) {
1225                                                 handle_rpc_json(transport);
1226                                         } });
1227
1228                         }
1229                 }
1230
1231         } catch (e) {
1232                 exception_error("catchupRelativeToArticle", e);
1233         }
1234 }
1235
1236 function cdmExpandArticle(id) {
1237         try {
1238
1239                 hideAuxDlg();
1240
1241                 var elem = $("CICD-" + active_post_id);
1242
1243                 var upd_img_pic = $("FUPDPIC-" + id);
1244
1245                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1246                                 upd_img_pic.src.match("fresh_sign.png"))) {
1247
1248                         upd_img_pic.src = "images/blank_icon.gif";
1249                 }
1250
1251                 if (id == active_post_id && Element.visible(elem))
1252                         return true;
1253
1254                 selectArticles("none");
1255
1256                 var old_offset = $("RROW-" + id).offsetTop;
1257
1258                 if (active_post_id && elem && !getInitParam("cdm_expanded")) {
1259                         Element.hide(elem);
1260                         Element.show("CEXC-" + active_post_id);
1261                 }
1262
1263                 active_post_id = id;
1264
1265                 elem = $("CICD-" + id);
1266
1267                 if (!Element.visible(elem)) {
1268                         Element.show(elem);
1269                         Element.hide("CEXC-" + id);
1270
1271                         if ($("CWRAP-" + id).innerHTML == "") {
1272
1273                                 $("FUPDPIC-" + id).src = "images/indicator_tiny.gif";
1274
1275                                 $("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" +
1276                                         __("Loading, please wait...") + "</div>";
1277
1278                                 var query = "?op=rpc&method=cdmGetArticle&id=" + param_escape(id);
1279
1280                                 var neighbor_ids = getRelativePostIds(id);
1281
1282                                 /* only request uncached articles */
1283                                 var cids_to_request = [];
1284
1285                                 for (var i = 0; i < neighbor_ids.length; i++) {
1286                                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
1287                                                 if ($("CWRAP-" + neighbor_ids[i]).innerHTML == "") {
1288                                                         cids_to_request.push(neighbor_ids[i]);
1289                                                         cids_requested.push(neighbor_ids[i]);
1290                                                 }
1291                                 }
1292
1293                                 console.log("additional ids: " + cids_to_request.toString());
1294
1295                                 query = query + "&cids=" + cids_to_request.toString();
1296
1297                                 console.log(query);
1298
1299                                 new Ajax.Request("backend.php", {
1300                                         parameters: query,
1301                                         onComplete: function(transport) {
1302
1303                                                 $("FUPDPIC-" + id).src = 'images/blank_icon.gif';
1304
1305                                                 handle_rpc_json(transport);
1306
1307                                                 var reply = JSON.parse(transport.responseText);
1308
1309                                                 reply.each(function(article) {
1310                                                         $("CWRAP-" + article['id']).innerHTML = article['content'];
1311                                                         cids_requested.remove(article['id']);
1312                                                 });
1313                                 }});
1314
1315                         }
1316                 }
1317
1318                 var new_offset = $("RROW-" + id).offsetTop;
1319
1320                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1321
1322                 if ($("RROW-" + id).offsetTop != old_offset)
1323                         $("headlines-frame").scrollTop = new_offset;
1324
1325                 toggleUnread(id, 0, true);
1326                 toggleSelected(id);
1327
1328         } catch (e) {
1329                 exception_error("cdmExpandArticle", e);
1330         }
1331
1332         return false;
1333 }
1334
1335 function fixHeadlinesOrder(ids) {
1336         try {
1337                 for (var i = 0; i < ids.length; i++) {
1338                         var e = $("RROW-" + ids[i]);
1339
1340                         if (e) {
1341                                 if (i % 2 == 0) {
1342                                         e.removeClassName("even");
1343                                         e.addClassName("odd");
1344                                 } else {
1345                                         e.removeClassName("odd");
1346                                         e.addClassName("even");
1347                                 }
1348                         }
1349                 }
1350         } catch (e) {
1351                 exception_error("fixHeadlinesOrder", e);
1352         }
1353 }
1354
1355 function getArticleUnderPointer() {
1356         return post_under_pointer;
1357 }
1358
1359 function zoomToArticle(event, id) {
1360         try {
1361                 var cached_article = cache_get("article: " + id);
1362
1363                 if (dijit.byId("ATAB-" + id))
1364                         if (!event || !event.shiftKey)
1365                                 return dijit.byId("content-tabs").selectChild(dijit.byId("ATAB-" + id));
1366
1367                 if (dijit.byId("ATSTRTIP-" + id))
1368                         dijit.byId("ATSTRTIP-" + id).destroyRecursive();
1369
1370                 if (cached_article) {
1371                         //closeArticlePanel();
1372
1373                         var article_pane = new dijit.layout.ContentPane({
1374                                 title: __("Loading...") , content: cached_article,
1375                                 style: 'padding : 0px;',
1376                                 id: 'ATAB-' + id,
1377                                 closable: true });
1378
1379                         dijit.byId("content-tabs").addChild(article_pane);
1380
1381                         if (!event || !event.shiftKey)
1382                                 dijit.byId("content-tabs").selectChild(article_pane);
1383
1384                         if ($("PTITLE-" + id))
1385                                 article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1386
1387                 } else {
1388
1389                         var query = "?op=rpc&method=getArticles&ids=" + param_escape(id);
1390
1391                         notify_progress("Loading, please wait...", true);
1392
1393                         new Ajax.Request("backend.php", {
1394                                 parameters: query,
1395                                 onComplete: function(transport) {
1396                                         notify('');
1397
1398                                         var reply = JSON.parse(transport.responseText);
1399
1400                                         if (reply) {
1401                                                 //closeArticlePanel();
1402
1403                                                 var content = reply[0]['content'];
1404
1405                                                 var article_pane = new dijit.layout.ContentPane({
1406                                                         title: "article-" + id , content: content,
1407                                                         style: 'padding : 0px;',
1408                                                         id: 'ATAB-' + id,
1409                                                         closable: true });
1410
1411                                                 dijit.byId("content-tabs").addChild(article_pane);
1412
1413                                                 if (!event || !event.shiftKey)
1414                                                         dijit.byId("content-tabs").selectChild(article_pane);
1415
1416                                                 if ($("PTITLE-" + id))
1417                                                         article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1418                                         }
1419
1420                                 } });
1421                         }
1422
1423         } catch (e) {
1424                 exception_error("zoomToArticle", e);
1425         }
1426 }
1427
1428 function scrollArticle(offset) {
1429         try {
1430                 if (!isCdmMode()) {
1431                         var ci = $("content-insert");
1432                         if (ci) {
1433                                 ci.scrollTop += offset;
1434                         }
1435                 } else {
1436                         var hi = $("headlines-frame");
1437                         if (hi) {
1438                                 hi.scrollTop += offset;
1439                         }
1440
1441                 }
1442         } catch (e) {
1443                 exception_error("scrollArticle", e);
1444         }
1445 }
1446
1447 function show_labels_in_headlines(transport) {
1448         try {
1449                 var data = JSON.parse(transport.responseText);
1450
1451                 if (data) {
1452                         data['info-for-headlines'].each(function(elem) {
1453                                 var ctr = $("HLLCTR-" + elem.id);
1454
1455                                 if (ctr) ctr.innerHTML = elem.labels;
1456                         });
1457
1458                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
1459
1460                 }
1461         } catch (e) {
1462                 exception_error("show_labels_in_headlines", e);
1463         }
1464 }
1465
1466 /* function toggleHeadlineActions() {
1467         try {
1468                 var e = $("headlineActionsBody");
1469                 var p = $("headlineActionsDrop");
1470
1471                 if (!Element.visible(e)) {
1472                         Element.show(e);
1473                 } else {
1474                         Element.hide(e);
1475                 }
1476
1477                 e.scrollTop = 0;
1478                 e.style.left = (p.offsetLeft + 1) + "px";
1479                 e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
1480
1481         } catch (e) {
1482                 exception_error("toggleHeadlineActions", e);
1483         }
1484 } */
1485
1486 /* function publishWithNote(id, def_note) {
1487         try {
1488                 if (!def_note) def_note = '';
1489
1490                 var note = prompt(__("Please enter a note for this article:"), def_note);
1491
1492                 if (note != undefined) {
1493                         togglePub(id, false, false, note);
1494                 }
1495
1496         } catch (e) {
1497                 exception_error("publishWithNote", e);
1498         }
1499 } */
1500
1501 function dismissArticle(id) {
1502         try {
1503                 var elem = $("RROW-" + id);
1504
1505                 toggleUnread(id, 0, true);
1506
1507                 new Effect.Fade(elem, {duration : 0.5});
1508
1509                 active_post_id = false;
1510
1511         } catch (e) {
1512                 exception_error("dismissArticle", e);
1513         }
1514 }
1515
1516 function dismissSelectedArticles() {
1517         try {
1518
1519                 var ids = getVisibleArticleIds();
1520                 var tmp = [];
1521                 var sel = [];
1522
1523                 for (var i = 0; i < ids.length; i++) {
1524                         var elem = $("RROW-" + ids[i]);
1525
1526                         if (elem.className && elem.hasClassName("Selected") &&
1527                                         ids[i] != active_post_id) {
1528                                 new Effect.Fade(elem, {duration : 0.5});
1529                                 sel.push(ids[i]);
1530                         } else {
1531                                 tmp.push(ids[i]);
1532                         }
1533                 }
1534
1535                 if (sel.length > 0)
1536                         selectionToggleUnread(false);
1537
1538                 fixHeadlinesOrder(tmp);
1539
1540         } catch (e) {
1541                 exception_error("dismissSelectedArticles", e);
1542         }
1543 }
1544
1545 function dismissReadArticles() {
1546         try {
1547
1548                 var ids = getVisibleArticleIds();
1549                 var tmp = [];
1550
1551                 for (var i = 0; i < ids.length; i++) {
1552                         var elem = $("RROW-" + ids[i]);
1553
1554                         if (elem.className && !elem.hasClassName("Unread") &&
1555                                         !elem.hasClassName("Selected")) {
1556
1557                                 new Effect.Fade(elem, {duration : 0.5});
1558                         } else {
1559                                 tmp.push(ids[i]);
1560                         }
1561                 }
1562
1563                 fixHeadlinesOrder(tmp);
1564
1565         } catch (e) {
1566                 exception_error("dismissSelectedArticles", e);
1567         }
1568 }
1569
1570 function getVisibleArticleIds() {
1571         var ids = [];
1572
1573         try {
1574
1575                 getLoadedArticleIds().each(function(id) {
1576                         var elem = $("RROW-" + id);
1577                         if (elem && Element.visible(elem))
1578                                 ids.push(id);
1579                         });
1580
1581         } catch (e) {
1582                 exception_error("getVisibleArticleIds", e);
1583         }
1584
1585         return ids;
1586 }
1587
1588 function cdmClicked(event, id) {
1589         try {
1590                 //var shift_key = event.shiftKey;
1591
1592                 hideAuxDlg();
1593
1594                 if (!event.ctrlKey) {
1595
1596                         if (!getInitParam("cdm_expanded")) {
1597                                 return cdmExpandArticle(id);
1598                         } else {
1599
1600                                 selectArticles("none");
1601                                 toggleSelected(id);
1602
1603                                 var elem = $("RROW-" + id);
1604
1605                                 if (elem)
1606                                         elem.removeClassName("Unread");
1607
1608                                 var upd_img_pic = $("FUPDPIC-" + id);
1609
1610                                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1611                                                 upd_img_pic.src.match("fresh_sign.png"))) {
1612
1613                                         upd_img_pic.src = "images/blank_icon.gif";
1614                                 }
1615
1616                                 active_post_id = id;
1617
1618                                 var query = "?op=rpc&method=catchupSelected" +
1619                                         "&cmode=0&ids=" + param_escape(id);
1620
1621                                 new Ajax.Request("backend.php", {
1622                                         parameters: query,
1623                                         onComplete: function(transport) {
1624                                                 handle_rpc_json(transport);
1625                                         } });
1626
1627                                 return true;
1628                         }
1629
1630                 } else {
1631                         toggleSelected(id, true);
1632                         toggleUnread(id, 0, false);
1633                         zoomToArticle(event, id);
1634                 }
1635
1636         } catch (e) {
1637                 exception_error("cdmClicked");
1638         }
1639
1640         return false;
1641 }
1642
1643 function postClicked(event, id) {
1644         try {
1645
1646                 if (!event.ctrlKey) {
1647                         return true;
1648                 } else {
1649                         postOpenInNewTab(event, id);
1650                         return false;
1651                 }
1652
1653         } catch (e) {
1654                 exception_error("postClicked");
1655         }
1656 }
1657
1658 function hlOpenInNewTab(event, id) {
1659         toggleUnread(id, 0, false);
1660         zoomToArticle(event, id);
1661 }
1662
1663 function postOpenInNewTab(event, id) {
1664         closeArticlePanel(id);
1665         zoomToArticle(event, id);
1666 }
1667
1668 function hlClicked(event, id) {
1669         try {
1670                 if (event.which == 2) {
1671                         view(id);
1672                         return true;
1673                 } else if (event.altKey) {
1674                         openArticleInNewWindow(id);
1675                 } else if (!event.ctrlKey) {
1676                         view(id);
1677                         return false;
1678                 } else {
1679                         toggleSelected(id);
1680                         toggleUnread(id, 0, false);
1681                         zoomToArticle(event, id);
1682                         return false;
1683                 }
1684
1685         } catch (e) {
1686                 exception_error("hlClicked");
1687         }
1688 }
1689
1690 function getFirstVisibleHeadlineId() {
1691         var rows = getVisibleArticleIds();
1692         return rows[0];
1693
1694 }
1695
1696 function getLastVisibleHeadlineId() {
1697         var rows = getVisibleArticleIds();
1698         return rows[rows.length-1];
1699 }
1700
1701 function openArticleInNewWindow(id) {
1702         toggleUnread(id, 0, false);
1703         window.open("backend.php?op=article&method=redirect&id=" + id);
1704 }
1705
1706 function isCdmMode() {
1707         return getInitParam("combined_display_mode");
1708 }
1709
1710 function markHeadline(id) {
1711         var row = $("RROW-" + id);
1712         if (row) {
1713                 var check = $("RCHK-" + id);
1714
1715                 if (check) {
1716                         check.checked = true;
1717                 }
1718
1719                 row.addClassName("Selected");
1720         }
1721 }
1722
1723 function getRelativePostIds(id, limit) {
1724
1725         var tmp = [];
1726
1727         try {
1728
1729                 if (!limit) limit = 6; //3
1730
1731                 var ids = getVisibleArticleIds();
1732
1733                 for (var i = 0; i < ids.length; i++) {
1734                         if (ids[i] == id) {
1735                                 for (var k = 1; k <= limit; k++) {
1736                                         //if (i > k-1) tmp.push(ids[i-k]);
1737                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1738                                 }
1739                                 break;
1740                         }
1741                 }
1742
1743         } catch (e) {
1744                 exception_error("getRelativePostIds", e);
1745         }
1746
1747         return tmp;
1748 }
1749
1750 function correctHeadlinesOffset(id) {
1751
1752         try {
1753
1754                 var container = $("headlines-frame");
1755                 var row = $("RROW-" + id);
1756
1757                 var viewport = container.offsetHeight;
1758
1759                 var rel_offset_top = row.offsetTop - container.scrollTop;
1760                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1761
1762                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1763                 //console.log("Vport: " + viewport);
1764
1765                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1766                         container.scrollTop = row.offsetTop;
1767                 } else if (rel_offset_bottom > viewport) {
1768
1769                         /* doesn't properly work with Opera in some cases because
1770                                 Opera fucks up element scrolling */
1771
1772                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1773                 }
1774
1775         } catch (e) {
1776                 exception_error("correctHeadlinesOffset", e);
1777         }
1778
1779 }
1780
1781 function headlineActionsChange(elem) {
1782         try {
1783                 eval(elem.value);
1784                 elem.attr('value', 'false');
1785         } catch (e) {
1786                 exception_error("headlineActionsChange", e);
1787         }
1788 }
1789
1790 function closeArticlePanel() {
1791
1792         var tabs = dijit.byId("content-tabs");
1793         var child = tabs.selectedChildWidget;
1794
1795         if (child && tabs.getIndexOfChild(child) > 0) {
1796                 tabs.removeChild(child);
1797                 child.destroy();
1798         } else {
1799                 if (dijit.byId("content-insert"))
1800                         dijit.byId("headlines-wrap-inner").removeChild(
1801                                 dijit.byId("content-insert"));
1802         }
1803 }
1804
1805 function initHeadlinesMenu() {
1806         try {
1807                 if (dijit.byId("headlinesMenu"))
1808                         dijit.byId("headlinesMenu").destroyRecursive();
1809
1810                 var ids = [];
1811
1812                 if (!isCdmMode()) {
1813                         nodes = $$("#headlines-frame > div[id*=RROW]");
1814                 } else {
1815                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1816                 }
1817
1818                 nodes.each(function(node) {
1819                         ids.push(node.id);
1820                 });
1821
1822                 var menu = new dijit.Menu({
1823                         id: "headlinesMenu",
1824                         targetNodeIds: ids,
1825                 });
1826
1827                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1828                         var callerNode = event.target, match = null, tries = 0;
1829
1830                         while (match == null && callerNode && tries <= 3) {
1831                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1832                                 callerNode = callerNode.parentNode;
1833                                 ++tries;
1834                         }
1835
1836                         if (match) this.callerRowId = parseInt(match[1]);
1837
1838                 });
1839
1840 /*              if (!isCdmMode())
1841                         menu.addChild(new dijit.MenuItem({
1842                                 label: __("View article"),
1843                                 onClick: function(event) {
1844                                         view(this.getParent().callerRowId);
1845                                 }})); */
1846
1847                 menu.addChild(new dijit.MenuItem({
1848                         label: __("Open original article"),
1849                         onClick: function(event) {
1850                                 openArticleInNewWindow(this.getParent().callerRowId);
1851                         }}));
1852
1853                 menu.addChild(new dijit.MenuItem({
1854                         label: __("View in a tt-rss tab"),
1855                         onClick: function(event) {
1856                                 hlOpenInNewTab(event, this.getParent().callerRowId);
1857                                 }}));
1858
1859                 menu.addChild(new dijit.MenuSeparator());
1860
1861                 menu.addChild(new dijit.MenuItem({
1862                         label: __("Mark above as read"),
1863                         onClick: function(event) {
1864                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1865                                 }}));
1866
1867                 menu.addChild(new dijit.MenuItem({
1868                         label: __("Mark below as read"),
1869                         onClick: function(event) {
1870                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1871                                 }}));
1872
1873
1874                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1875
1876                 if (labels) {
1877
1878                         menu.addChild(new dijit.MenuSeparator());
1879
1880                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1881                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1882
1883                         labels.each(function(label) {
1884                                 var id = label.id[0];
1885                                 var bare_id = id.substr(id.indexOf(":")+1);
1886                                 var name = label.name[0];
1887
1888                                 bare_id = -11-bare_id;
1889
1890                                 labelAddMenu.addChild(new dijit.MenuItem({
1891                                         label: name,
1892                                         labelId: bare_id,
1893                                         onClick: function(event) {
1894                                                 selectionAssignLabel(this.labelId,
1895                                                         [this.getParent().ownerMenu.callerRowId]);
1896                                 }}));
1897
1898                                 labelDelMenu.addChild(new dijit.MenuItem({
1899                                         label: name,
1900                                         labelId: bare_id,
1901                                         onClick: function(event) {
1902                                                 selectionRemoveLabel(this.labelId,
1903                                                         [this.getParent().ownerMenu.callerRowId]);
1904                                 }}));
1905
1906                         });
1907
1908                         menu.addChild(new dijit.PopupMenuItem({
1909                                 label: __("Assign label"),
1910                                 popup: labelAddMenu,
1911                         }));
1912
1913                         menu.addChild(new dijit.PopupMenuItem({
1914                                 label: __("Remove label"),
1915                                 popup: labelDelMenu,
1916                         }));
1917
1918                 }
1919
1920                 menu.startup();
1921
1922         } catch (e) {
1923                 exception_error("initHeadlinesMenu", e);
1924         }
1925 }
1926
1927 function editArticleNote(id) {
1928         try {
1929
1930                 var query = "backend.php?op=dlg&method=editArticleNote&param=" + param_escape(id);
1931
1932                 if (dijit.byId("editNoteDlg"))
1933                         dijit.byId("editNoteDlg").destroyRecursive();
1934
1935                 dialog = new dijit.Dialog({
1936                         id: "editNoteDlg",
1937                         title: __("Edit article note"),
1938                         style: "width: 600px",
1939                         execute: function() {
1940                                 if (this.validate()) {
1941                                         var query = dojo.objectToQuery(this.attr('value'));
1942
1943                                         notify_progress("Saving article note...", true);
1944
1945                                         new Ajax.Request("backend.php", {
1946                                         parameters: query,
1947                                         onComplete: function(transport) {
1948                                                 notify('');
1949                                                 dialog.hide();
1950
1951                                                 var reply = JSON.parse(transport.responseText);
1952
1953                                                 cache_delete("article:" + id);
1954
1955                                                 var elem = $("POSTNOTE-" + id);
1956
1957                                                 if (elem) {
1958                                                         Element.hide(elem);
1959                                                         elem.innerHTML = reply.note;
1960
1961                                                         if (reply.raw_length != 0)
1962                                                                 new Effect.Appear(elem);
1963                                                 }
1964
1965                                         }});
1966                                 }
1967                         },
1968                         href: query,
1969                 });
1970
1971                 dialog.show();
1972
1973         } catch (e) {
1974                 exception_error("editArticleNote", e);
1975         }
1976 }
1977
1978 function player(elem) {
1979         var aid = elem.getAttribute("audio-id");
1980         var status = elem.getAttribute("status");
1981
1982         var audio = $(aid);
1983
1984         if (audio) {
1985                 if (status == 0) {
1986                         audio.play();
1987                         status = 1;
1988                         elem.innerHTML = __("Playing...");
1989                         elem.title = __("Click to pause");
1990                         elem.addClassName("playing");
1991                 } else {
1992                         audio.pause();
1993                         status = 0;
1994                         elem.innerHTML = __("Play");
1995                         elem.title = __("Click to play");
1996                         elem.removeClassName("playing");
1997                 }
1998
1999                 elem.setAttribute("status", status);
2000         } else {
2001                 alert("Your browser doesn't seem to support HTML5 audio.");
2002         }
2003 }
2004
2005 function cache_set(id, obj) {
2006         //console.log("cache_set: " + id);
2007         if (has_storage)
2008                 try {
2009                         sessionStorage[id] = obj;
2010                 } catch (e) {
2011                         sessionStorage.clear();
2012                 }
2013 }
2014
2015 function cache_get(id) {
2016         if (has_storage)
2017                 return sessionStorage[id];
2018 }
2019
2020 function cache_clear() {
2021         if (has_storage)
2022                 sessionStorage.clear();
2023 }
2024
2025 function cache_delete(id) {
2026         if (has_storage)
2027                 sessionStorage.removeItem(id);
2028 }
2029
2030 function cache_headlines(feed, is_cat, toolbar_obj, content_obj) {
2031         if (toolbar_obj && content_obj) {
2032                 cache_set("feed:" + feed + ":" + is_cat,
2033                         JSON.stringify({toolbar: toolbar_obj, content: content_obj}));
2034         } else {
2035                 try {
2036                         obj =   cache_get("feed:" + feed + ":" + is_cat);
2037
2038                         if (obj) {
2039                                 obj = JSON.parse(obj);
2040
2041                                 if (toolbar_obj) obj.toolbar = toolbar_obj;
2042                                 if (content_obj) obj.content = content_obj;
2043
2044                                 cache_set("feed:" + feed + ":" + is_cat, JSON.stringify(obj));
2045                         }
2046
2047                 } catch (e) {
2048                         console.warn("cache_headlines failed: " + e);
2049                 }
2050         }
2051 }
2052
2053 function render_local_headlines(feed, is_cat, obj) {
2054         try {
2055
2056                 dijit.byId("headlines-toolbar").attr('content',
2057                         obj.toolbar);
2058
2059                 dijit.byId("headlines-frame").attr('content',
2060                         obj.content);
2061
2062                 dojo.parser.parse('headlines-toolbar');
2063
2064                 $("headlines-frame").scrollTop = 0;
2065                 selectArticles('none');
2066                 setActiveFeedId(feed, is_cat);
2067                 initHeadlinesMenu();
2068
2069                 precache_headlines();
2070
2071         } catch (e) {
2072                 exception_error("render_local_headlines", e);
2073         }
2074 }
2075
2076 function precache_headlines_idle() {
2077         try {
2078                 if (!feed_precache_timeout_id) {
2079                         var feeds = dijit.byId("feedTree").getVisibleUnreadFeeds();
2080                         var uncached = [];
2081
2082                         feeds.each(function(item) {
2083                                 if (parseInt(item[0]) > 0 && !cache_get("feed:" + item[0] + ":" + item[1]))
2084                                         uncached.push(item);
2085                         });
2086
2087                         if (uncached.length > 0) {
2088                                 var rf = uncached[Math.floor(Math.random()*uncached.length)];
2089                                 viewfeed(rf[0], '', rf[1], 0, true);
2090                         }
2091                 }
2092                 precache_idle_timeout_id = setTimeout("precache_headlines_idle()", 1000*30);
2093
2094         } catch (e) {
2095                 exception_error("precache_headlines_idle", e);
2096         }
2097 }
2098
2099 function precache_headlines() {
2100         try {
2101
2102                 if (!feed_precache_timeout_id) {
2103                         feed_precache_timeout_id = window.setTimeout(function() {
2104                                 var nuf = getNextUnreadFeed(getActiveFeedId(), activeFeedIsCat());
2105                                 var nf = dijit.byId("feedTree").getNextFeed(getActiveFeedId(), activeFeedIsCat());
2106
2107                                 if (nuf && !cache_get("feed:" + nuf + ":" + activeFeedIsCat()))
2108                                         viewfeed(nuf, '', activeFeedIsCat(), 0, true);
2109
2110                                 if (nf != nuf && nf && !cache_get("feed:" + nf[0] + ":" + nf[1]))
2111                                         viewfeed(nf[0], '', nf[1], 0, true);
2112
2113                                 window.setTimeout(function() {
2114                                         feed_precache_timeout_id = false;
2115                                         }, 3000);
2116                         }, 1000);
2117                 }
2118
2119         } catch (e) {
2120                 exception_error("precache_headlines", e);
2121         }
2122 }
2123
2124