js/viewfeed.js

   1 var article_cache = new Array();
   2
   3 var _active_article_id = 0;
   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
  13 var cids_requested = [];
  14 var loaded_article_ids = [];
  15 var _last_headlines_update = 0;
  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                                 return;
  50                         }
  51
  52                         setActiveFeedId(feed_id, is_cat);
  53
  54                         /* dijit.getEnclosingWidget(
  55                                 document.forms["main_toolbar_form"].update).attr('disabled',
  56                                         is_cat || feed_id <= 0); */
  57
  58                         try {
  59                                 if (infscroll_req == false) {
  60                                         $("headlines-frame").scrollTop = 0;
  61                                 }
  62                         } catch (e) { };
  63
  64                         var headlines_count = reply['headlines-info']['count'];
  65
  66                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  67
  68                         if (parseInt(headlines_count) < 30) {
  69                                 _infscroll_disable = 1;
  70                         } else {
  71                                 _infscroll_disable = 0;
  72                         }
  73
  74                         var counters = reply['counters'];
  75                         var articles = reply['articles'];
  76                         //var runtime_info = reply['runtime-info'];
  77
  78                         if (infscroll_req == false) {
  79                                 loaded_article_ids = [];
  80
  81                                 dijit.byId("headlines-frame").attr('content',
  82                                         reply['headlines']['content']);
  83
  84                                 dijit.byId("headlines-toolbar").attr('content',
  85                                         reply['headlines']['toolbar']);
  86
  87                                 $$("#headlines-frame > div[id*=RROW]").each(function(row) {
  88                                         if (loaded_article_ids.indexOf(row.id) != -1) {
  89                                                 row.parentNode.removeChild(row);
  90                                         } else {
  91                                                 loaded_article_ids.push(row.id);
  92                                         }
  93                                 });
  94
  95                                 if (getInitParam("cdm_auto_catchup") == 1) {
  96                                         var hsp = $("headlines-spacer");
  97                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
  98                                         dijit.byId('headlines-frame').domNode.appendChild(hsp);
  99                                 }
 100
 101                                 initHeadlinesMenu();
 102
 103                                 if (_search_query) {
 104                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 105                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 106                                                 "</span>";
 107                                 }
 108
 109                         } else {
 110
 111                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 112                                         console.log("adding some more headlines: " + headlines_count);
 113
 114                                         var c = dijit.byId("headlines-frame");
 115                                         var ids = getSelectedArticleIds2();
 116                                         var new_elems = [];
 117
 118                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 119
 120                                         var hsp = $("headlines-spacer");
 121
 122                                         if (hsp)
 123                                                 c.domNode.removeChild(hsp);
 124
 125                                         $$("#headlines-tmp > div").each(function(row) {
 126                                                 if (row.className == 'cdmFeedTitle') {
 127                                                         row.style.display = 'none';
 128                                                         c.domNode.appendChild(row);
 129                                                         new_elems.push(row);
 130                                                 } else if (loaded_article_ids.indexOf(row.id) == -1) {
 131                                                         row.style.display = 'none';
 132                                                         c.domNode.appendChild(row);
 133                                                         new_elems.push(row);
 134                                                         loaded_article_ids.push(row.id);
 135                                                 } else {
 136                                                         row.parentNode.removeChild(row);
 137                                                 }
 138                                         });
 139
 140                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 141
 142                                         fixHeadlinesOrder(getLoadedArticleIds());
 143
 144                                         if (getInitParam("cdm_auto_catchup") == 1) {
 145                                                 c.domNode.appendChild(hsp);
 146                                         }
 147
 148                                         console.log("added " + new_elems.size() + " headlines");
 149
 150                                         if (new_elems.size() == 0)
 151                                                 _infscroll_disable = true;
 152
 153                                         console.log("restore selected ids: " + ids);
 154
 155                                         for (var i = 0; i < ids.length; i++) {
 156                                                 markHeadline(ids[i]);
 157                                         }
 158
 159                                         initHeadlinesMenu();
 160
 161                                         new_elems.each(function(child) {
 162                                                 var cb = dijit.byId(child.id.replace("RROW-", "RCHK-"));
 163
 164                                                 if (!cb) {
 165                                                         dojo.parser.parse(child);
 166
 167                                                         if (!Element.visible(child))
 168                                                                 new Effect.Appear(child, { duration : 0.5 });
 169                                                 } else {
 170                                                         c.domNode.removeChild(child);
 171                                                 }
 172                                         });
 173
 174                                 } else {
 175                                         console.log("no new headlines received");
 176
 177                                         var hsp = $("headlines-spacer");
 178
 179                                         if (hsp) hsp.innerHTML = "";
 180                                 }
 181                         }
 182
 183                         if (articles) {
 184                                 for (var i = 0; i < articles.length; i++) {
 185                                         var a_id = articles[i]['id'];
 186                                         cache_set("article:" + a_id, articles[i]['content']);
 187                                 }
 188                         } else {
 189                                 console.log("no cached articles received");
 190                         }
 191
 192                         if (counters)
 193                                 parse_counters(counters);
 194                         else
 195                                 request_counters(true);
 196
 197                 } else if (transport.responseText) {
 198                         console.error("Invalid object received: " + transport.responseText);
 199                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 200                                         __('Could not update headlines (invalid object received - see error console for details)') +
 201                                         "</div>");
 202                 } else {
 203                         //notify_error("Error communicating with server.");
 204                         Element.show(dijit.byId("net-alert").domNode);
 205                 }
 206
 207                 _infscroll_request_sent = 0;
 208                 _last_headlines_update = new Date().getTime();
 209
 210                 unpackVisibleHeadlines();
 211
 212                 notify("");
 213
 214         } catch (e) {
 215                 exception_error("headlines_callback2", e, transport);
 216         }
 217 }
 218
 219 function render_article(article) {
 220         try {
 221                 dijit.byId("headlines-wrap-inner").addChild(
 222                                 dijit.byId("content-insert"));
 223
 224                 var c = dijit.byId("content-insert");
 225
 226                 try {
 227                         c.domNode.scrollTop = 0;
 228                 } catch (e) { };
 229
 230                 c.attr('content', article);
 231
 232                 correctHeadlinesOffset(getActiveArticleId());
 233
 234                 try {
 235                         c.focus();
 236                 } catch (e) { };
 237
 238         } catch (e) {
 239                 exception_error("render_article", e);
 240         }
 241 }
 242
 243 function showArticleInHeadlines(id) {
 244
 245         try {
 246                 selectArticles("none");
 247
 248                 var crow = $("RROW-" + id);
 249
 250                 if (!crow) return;
 251
 252                 var article_is_unread = crow.hasClassName("Unread");
 253
 254                 crow.removeClassName("Unread");
 255                 crow.addClassName("active");
 256
 257                 selectArticles('none');
 258
 259                 var view_mode = false;
 260
 261                 try {
 262                         view_mode = document.forms['main_toolbar_form'].view_mode;
 263                         view_mode = view_mode[view_mode.selectedIndex].value;
 264                 } catch (e) {
 265                         //
 266                 }
 267
 268                 markHeadline(id);
 269
 270                 if (article_is_unread)
 271                         _force_scheduled_update = true;
 272
 273         } catch (e) {
 274                 exception_error("showArticleInHeadlines", e);
 275         }
 276 }
 277
 278 function article_callback2(transport, id) {
 279         try {
 280                 console.log("article_callback2 " + id);
 281
 282                 handle_rpc_json(transport);
 283
 284                 var reply = false;
 285
 286                 try {
 287                         reply = JSON.parse(transport.responseText);
 288                 } catch (e) {
 289                         console.error(e);
 290                 }
 291
 292                 if (reply) {
 293
 294                         reply.each(function(article) {
 295                                 if (getActiveArticleId() == article['id']) {
 296                                         render_article(article['content']);
 297                                 }
 298                                 cids_requested.remove(article['id']);
 299
 300                                 cache_set("article:" + article['id'], article['content']);
 301                         });
 302
 303 //                      if (id != last_requested_article) {
 304 //                              console.log("requested article id is out of sequence, aborting");
 305 //                              return;
 306 //                      }
 307
 308                 } else if (transport.responseText) {
 309                         console.error("Invalid object received: " + transport.responseText);
 310
 311                         render_article("<div class='whiteBox'>" +
 312                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 313                 } else {
 314                         Element.show(dijit.byId("net-alert").domNode);
 315                 }
 316
 317                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 318                 request_counters(unread_in_buffer == 0);
 319
 320                 //headlines_scroll_handler($("headlines-frame"));
 321
 322 /*              try {
 323                         if (!_infscroll_disable &&
 324                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 325
 326                                 loadMoreHeadlines();
 327                         }
 328                 } catch (e) {
 329                         console.warn(e);
 330                 } */
 331
 332                 notify("");
 333         } catch (e) {
 334                 exception_error("article_callback2", e, transport);
 335         }
 336 }
 337
 338 function view(id) {
 339         try {
 340                 var oldrow = $("RROW-" + getActiveArticleId());
 341                 if (oldrow) oldrow.removeClassName("active");
 342
 343                 var crow = $("RROW-" + id);
 344
 345                 if (!crow) return;
 346
 347                 console.log("loading article: " + id);
 348
 349                 var cached_article = cache_get("article:" + id);
 350
 351                 console.log("cache check result: " + (cached_article != false));
 352
 353                 var query = "?op=article&method=view&id=" + param_escape(id);
 354
 355                 var neighbor_ids = getRelativePostIds(id);
 356
 357                 /* only request uncached articles */
 358
 359                 var cids_to_request = [];
 360
 361                 for (var i = 0; i < neighbor_ids.length; i++) {
 362                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 363                                 if (!cache_get("article:" + neighbor_ids[i])) {
 364                                         cids_to_request.push(neighbor_ids[i]);
 365                                         cids_requested.push(neighbor_ids[i]);
 366                                 }
 367                 }
 368
 369                 console.log("additional ids: " + cids_to_request.toString());
 370
 371                 query = query + "&cids=" + cids_to_request.toString();
 372
 373                 var article_is_unread = crow.hasClassName("Unread");
 374
 375                 setActiveArticleId(id);
 376                 showArticleInHeadlines(id);
 377
 378                 if (cached_article && article_is_unread) {
 379
 380                         query = query + "&mode=prefetch";
 381
 382                         render_article(cached_article);
 383
 384                 } else if (cached_article) {
 385
 386                         query = query + "&mode=prefetch_old";
 387                         render_article(cached_article);
 388
 389                         // if we don't need to request any relative ids, we might as well skip
 390                         // the server roundtrip altogether
 391                         if (cids_to_request.length == 0) {
 392
 393 /*                              try {
 394                                         if (!_infscroll_disable &&
 395                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 396
 397                                                         loadMoreHeadlines();
 398                                         }
 399                                 } catch (e) {
 400                                         console.warn(e);
 401                                 } */
 402
 403                                 //headlines_scroll_handler($("headlines-frame"));
 404
 405                                 return;
 406                         }
 407                 }
 408
 409                 last_requested_article = id;
 410
 411                 console.log(query);
 412
 413                 if (article_is_unread) {
 414                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 415                 }
 416
 417                 new Ajax.Request("backend.php", {
 418                         parameters: query,
 419                         onComplete: function(transport) {
 420                                 article_callback2(transport, id);
 421                         } });
 422
 423                 return false;
 424
 425         } catch (e) {
 426                 exception_error("view", e);
 427         }
 428 }
 429
 430 function toggleMark(id, client_only) {
 431         try {
 432                 var query = "?op=rpc&id=" + id + "&method=mark";
 433
 434                 var img = $("FMPIC-" + id);
 435
 436                 if (!img) return;
 437
 438                 if (img.src.match("mark_unset")) {
 439                         img.src = img.src.replace("mark_unset", "mark_set");
 440                         img.alt = __("Unstar article");
 441                         query = query + "&mark=1";
 442
 443                 } else {
 444                         img.src = img.src.replace("mark_set", "mark_unset");
 445                         img.alt = __("Star article");
 446                         query = query + "&mark=0";
 447                 }
 448
 449                 if (!client_only) {
 450                         new Ajax.Request("backend.php", {
 451                                 parameters: query,
 452                                 onComplete: function(transport) {
 453                                         handle_rpc_json(transport);
 454                                 } });
 455                 }
 456
 457         } catch (e) {
 458                 exception_error("toggleMark", e);
 459         }
 460 }
 461
 462 function togglePub(id, client_only, no_effects, note) {
 463         try {
 464                 var query = "?op=rpc&id=" + id + "&method=publ";
 465
 466                 if (note != undefined) {
 467                         query = query + "&note=" + param_escape(note);
 468                 } else {
 469                         query = query + "&note=undefined";
 470                 }
 471
 472                 var img = $("FPPIC-" + id);
 473
 474                 if (!img) return;
 475
 476                 if (img.src.match("pub_unset") || note != undefined) {
 477                         img.src = img.src.replace("pub_unset", "pub_set");
 478                         img.alt = __("Unpublish article");
 479                         query = query + "&pub=1";
 480
 481                 } else {
 482                         img.src = img.src.replace("pub_set", "pub_unset");
 483                         img.alt = __("Publish article");
 484
 485                         query = query + "&pub=0";
 486                 }
 487
 488                 if (!client_only) {
 489                         new Ajax.Request("backend.php", {
 490                                 parameters: query,
 491                                 onComplete: function(transport) {
 492                                         handle_rpc_json(transport);
 493                                 } });
 494                 }
 495
 496         } catch (e) {
 497                 exception_error("togglePub", e);
 498         }
 499 }
 500
 501 function moveToPost(mode, noscroll) {
 502
 503         try {
 504
 505                 var rows = getVisibleArticleIds();
 506
 507                 var prev_id = false;
 508                 var next_id = false;
 509
 510                 if (!$('RROW-' + getActiveArticleId())) {
 511                         setActiveArticleId(0);
 512                 }
 513
 514                 if (!getActiveArticleId()) {
 515                         next_id = rows[0];
 516                         prev_id = rows[rows.length-1]
 517                 } else {
 518                         for (var i = 0; i < rows.length; i++) {
 519                                 if (rows[i] == getActiveArticleId()) {
 520
 521                                         // Account for adjacent identical article ids.
 522                                         if (i > 0) prev_id = rows[i-1];
 523
 524                                         for (var j = i+1; j < rows.length; j++) {
 525                                                 if (rows[j] != getActiveArticleId()) {
 526                                                         next_id = rows[j];
 527                                                         break;
 528                                                 }
 529                                         }
 530                                         break;
 531                                 }
 532                         }
 533                 }
 534
 535                 if (mode == "next") {
 536                         if (next_id || getActiveArticleId()) {
 537                                 if (isCdmMode()) {
 538
 539                                         var article = $("RROW-" + getActiveArticleId());
 540                                         var ctr = $("headlines-frame");
 541
 542                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 543                                                         ctr.scrollTop + ctr.offsetHeight) {
 544
 545                                                 scrollArticle(ctr.offsetHeight/4);
 546
 547                                         } else if (next_id) {
 548                                                 cdmExpandArticle(next_id);
 549                                                 cdmScrollToArticleId(next_id, true);
 550                                         }
 551
 552                                 } else if (next_id) {
 553                                         correctHeadlinesOffset(next_id);
 554                                         view(next_id, getActiveFeedId());
 555                                 }
 556                         }
 557                 }
 558
 559                 if (mode == "prev") {
 560                         if (prev_id || getActiveArticleId()) {
 561                                 if (isCdmMode()) {
 562
 563                                         var article = $("RROW-" + getActiveArticleId());
 564                                         var prev_article = $("RROW-" + prev_id);
 565                                         var ctr = $("headlines-frame");
 566
 567                                         if (!getInitParam("cdm_expanded")) {
 568
 569                                                 if (!noscroll && article.offsetTop < ctr.scrollTop) {
 570                                                         scrollArticle(-ctr.offsetHeight/4);
 571                                                 } else {
 572                                                         cdmExpandArticle(prev_id);
 573                                                         cdmScrollToArticleId(prev_id, true);
 574                                                 }
 575                                         } else {
 576
 577                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 578                                                         scrollArticle(-ctr.offsetHeight/3);
 579                                                 } else if (!noscroll && prev_article &&
 580                                                                 prev_article.offsetTop < ctr.scrollTop) {
 581                                                         cdmExpandArticle(prev_id);
 582                                                         scrollArticle(-ctr.offsetHeight/4);
 583                                                 } else if (prev_id) {
 584                                                         cdmExpandArticle(prev_id);
 585                                                         cdmScrollToArticleId(prev_id, noscroll);
 586                                                 }
 587                                         }
 588
 589                                 } else if (prev_id) {
 590                                         correctHeadlinesOffset(prev_id);
 591                                         view(prev_id, getActiveFeedId());
 592                                 }
 593                         }
 594                 }
 595
 596         } catch (e) {
 597                 exception_error("moveToPost", e);
 598         }
 599 }
 600
 601 function toggleSelected(id, force_on) {
 602         try {
 603
 604                 var cb = dijit.byId("RCHK-" + id);
 605                 var row = $("RROW-" + id);
 606
 607                 if (row) {
 608                         if (row.hasClassName('Selected') && !force_on) {
 609                                 row.removeClassName('Selected');
 610                                 if (cb) cb.attr("checked", false);
 611                         } else {
 612                                 row.addClassName('Selected');
 613                                 if (cb) cb.attr("checked", true);
 614                         }
 615                 }
 616         } catch (e) {
 617                 exception_error("toggleSelected", e);
 618         }
 619 }
 620
 621 function toggleUnread_afh(effect) {
 622         try {
 623
 624                 var elem = effect.element;
 625                 elem.style.backgroundColor = "";
 626
 627         } catch (e) {
 628                 exception_error("toggleUnread_afh", e);
 629         }
 630 }
 631
 632 function toggleUnread(id, cmode, effect) {
 633         try {
 634
 635                 var row = $("RROW-" + id);
 636                 if (row) {
 637                         if (cmode == undefined || cmode == 2) {
 638                                 if (row.hasClassName("Unread")) {
 639                                         row.removeClassName("Unread");
 640
 641                                 } else {
 642                                         row.addClassName("Unread");
 643                                 }
 644
 645                         } else if (cmode == 0) {
 646
 647                                 row.removeClassName("Unread");
 648
 649                         } else if (cmode == 1) {
 650                                 row.addClassName("Unread");
 651                         }
 652
 653                         if (cmode == undefined) cmode = 2;
 654
 655                         var query = "?op=rpc&method=catchupSelected" +
 656                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 657
 658 //                      notify_progress("Loading, please wait...");
 659
 660                         new Ajax.Request("backend.php", {
 661                                 parameters: query,
 662                                 onComplete: function(transport) {
 663                                         handle_rpc_json(transport);
 664                                 } });
 665
 666                 }
 667
 668         } catch (e) {
 669                 exception_error("toggleUnread", e);
 670         }
 671 }
 672
 673 function selectionRemoveLabel(id, ids) {
 674         try {
 675
 676                 if (!ids) ids = getSelectedArticleIds2();
 677
 678                 if (ids.length == 0) {
 679                         alert(__("No articles are selected."));
 680                         return;
 681                 }
 682
 683                 var query = "?op=article&method=removeFromLabel&ids=" +
 684                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 685
 686                 console.log(query);
 687
 688                 new Ajax.Request("backend.php", {
 689                         parameters: query,
 690                         onComplete: function(transport) {
 691                                 handle_rpc_json(transport);
 692                                 show_labels_in_headlines(transport);
 693                         } });
 694
 695         } catch (e) {
 696                 exception_error("selectionAssignLabel", e);
 697
 698         }
 699 }
 700
 701 function selectionAssignLabel(id, ids) {
 702         try {
 703
 704                 if (!ids) ids = getSelectedArticleIds2();
 705
 706                 if (ids.length == 0) {
 707                         alert(__("No articles are selected."));
 708                         return;
 709                 }
 710
 711                 var query = "?op=article&method=assignToLabel&ids=" +
 712                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 713
 714                 console.log(query);
 715
 716                 new Ajax.Request("backend.php", {
 717                         parameters: query,
 718                         onComplete: function(transport) {
 719                                 handle_rpc_json(transport);
 720                                 show_labels_in_headlines(transport);
 721                         } });
 722
 723         } catch (e) {
 724                 exception_error("selectionAssignLabel", e);
 725
 726         }
 727 }
 728
 729 function selectionToggleUnread(set_state, callback, no_error, ids) {
 730         try {
 731                 var rows = ids ? ids : getSelectedArticleIds2();
 732
 733                 if (rows.length == 0 && !no_error) {
 734                         alert(__("No articles are selected."));
 735                         return;
 736                 }
 737
 738                 for (var i = 0; i < rows.length; i++) {
 739                         var row = $("RROW-" + rows[i]);
 740                         if (row) {
 741                                 if (set_state == undefined) {
 742                                         if (row.hasClassName("Unread")) {
 743                                                 row.removeClassName("Unread");
 744                                         } else {
 745                                                 row.addClassName("Unread");
 746                                         }
 747                                 }
 748
 749                                 if (set_state == false) {
 750                                         row.removeClassName("Unread");
 751                                 }
 752
 753                                 if (set_state == true) {
 754                                         row.addClassName("Unread");
 755                                 }
 756                         }
 757                 }
 758
 759                 if (rows.length > 0) {
 760
 761                         var cmode = "";
 762
 763                         if (set_state == undefined) {
 764                                 cmode = "2";
 765                         } else if (set_state == true) {
 766                                 cmode = "1";
 767                         } else if (set_state == false) {
 768                                 cmode = "0";
 769                         }
 770
 771                         var query = "?op=rpc&method=catchupSelected" +
 772                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 773
 774                         notify_progress("Loading, please wait...");
 775
 776                         new Ajax.Request("backend.php", {
 777                                 parameters: query,
 778                                 onComplete: function(transport) {
 779                                         handle_rpc_json(transport);
 780                                         if (callback) callback(transport);
 781                                 } });
 782
 783                 }
 784
 785         } catch (e) {
 786                 exception_error("selectionToggleUnread", e);
 787         }
 788 }
 789
 790 // sel_state ignored
 791 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 792         try {
 793
 794                 var rows = ids ? ids : getSelectedArticleIds2();
 795
 796                 if (rows.length == 0 && !no_error) {
 797                         alert(__("No articles are selected."));
 798                         return;
 799                 }
 800
 801                 for (var i = 0; i < rows.length; i++) {
 802                         toggleMark(rows[i], true, true);
 803                 }
 804
 805                 if (rows.length > 0) {
 806
 807                         var query = "?op=rpc&method=markSelected&ids=" +
 808                                 param_escape(rows.toString()) + "&cmode=2";
 809
 810                         new Ajax.Request("backend.php", {
 811                                 parameters: query,
 812                                 onComplete: function(transport) {
 813                                         handle_rpc_json(transport);
 814                                         if (callback) callback(transport);
 815                                 } });
 816
 817                 }
 818
 819         } catch (e) {
 820                 exception_error("selectionToggleMarked", e);
 821         }
 822 }
 823
 824 // sel_state ignored
 825 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 826         try {
 827
 828                 var rows = ids ? ids : getSelectedArticleIds2();
 829
 830                 if (rows.length == 0 && !no_error) {
 831                         alert(__("No articles are selected."));
 832                         return;
 833                 }
 834
 835                 for (var i = 0; i < rows.length; i++) {
 836                         togglePub(rows[i], true, true);
 837                 }
 838
 839                 if (rows.length > 0) {
 840
 841                         var query = "?op=rpc&method=publishSelected&ids=" +
 842                                 param_escape(rows.toString()) + "&cmode=2";
 843
 844                         new Ajax.Request("backend.php", {
 845                                 parameters: query,
 846                                 onComplete: function(transport) {
 847                                         handle_rpc_json(transport);
 848                                 } });
 849
 850                 }
 851
 852         } catch (e) {
 853                 exception_error("selectionToggleMarked", e);
 854         }
 855 }
 856
 857 function getSelectedArticleIds2() {
 858
 859         var rv = [];
 860
 861         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 862                 function(child) {
 863                         rv.push(child.id.replace("RROW-", ""));
 864                 });
 865
 866         return rv;
 867 }
 868
 869 function getLoadedArticleIds() {
 870         var rv = [];
 871
 872         var children = $$("#headlines-frame > div[id*=RROW-]");
 873
 874         children.each(function(child) {
 875                         rv.push(child.id.replace("RROW-", ""));
 876                 });
 877
 878         return rv;
 879
 880 }
 881
 882 // mode = all,none,unread,invert,marked,published
 883 function selectArticles(mode) {
 884         try {
 885
 886                 var children = $$("#headlines-frame > div[id*=RROW]");
 887
 888                 children.each(function(child) {
 889                         var id = child.id.replace("RROW-", "");
 890                         var cb = dijit.byId("RCHK-" + id);
 891
 892                         if (mode == "all") {
 893                                 child.addClassName("Selected");
 894                                 if (cb) cb.attr("checked", true);
 895                         } else if (mode == "unread") {
 896                                 if (child.hasClassName("Unread")) {
 897                                         child.addClassName("Selected");
 898                                         if (cb) cb.attr("checked", true);
 899                                 } else {
 900                                         child.removeClassName("Selected");
 901                                         if (cb) cb.attr("checked", false);
 902                                 }
 903                         } else if (mode == "marked") {
 904                                 var img = $("FMPIC-" + child.id.replace("RROW-", ""));
 905
 906                                 if (img && img.src.match("mark_set")) {
 907                                         child.addClassName("Selected");
 908                                         if (cb) cb.attr("checked", true);
 909                                 } else {
 910                                         child.removeClassName("Selected");
 911                                         if (cb) cb.attr("checked", false);
 912                                 }
 913                         } else if (mode == "published") {
 914                                 var img = $("FPPIC-" + child.id.replace("RROW-", ""));
 915
 916                                 if (img && img.src.match("pub_set")) {
 917                                         child.addClassName("Selected");
 918                                         if (cb) cb.attr("checked", true);
 919                                 } else {
 920                                         child.removeClassName("Selected");
 921                                         if (cb) cb.attr("checked", false);
 922                                 }
 923
 924                         } else if (mode == "invert") {
 925                                 if (child.hasClassName("Selected")) {
 926                                         child.removeClassName("Selected");
 927                                         if (cb) cb.attr("checked", false);
 928                                 } else {
 929                                         child.addClassName("Selected");
 930                                         if (cb) cb.attr("checked", true);
 931                                 }
 932
 933                         } else {
 934                                 child.removeClassName("Selected");
 935                                 if (cb) cb.attr("checked", false);
 936                         }
 937                 });
 938
 939         } catch (e) {
 940                 exception_error("selectArticles", e);
 941         }
 942 }
 943
 944 function deleteSelection() {
 945
 946         try {
 947
 948                 var rows = getSelectedArticleIds2();
 949
 950                 if (rows.length == 0) {
 951                         alert(__("No articles are selected."));
 952                         return;
 953                 }
 954
 955                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 956                 var str;
 957
 958                 if (getActiveFeedId() != 0) {
 959                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
 960                 } else {
 961                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
 962                 }
 963
 964                 str = str.replace("%d", rows.length);
 965                 str = str.replace("%s", fn);
 966
 967                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 968                         return;
 969                 }
 970
 971                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
 972
 973                 console.log(query);
 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("deleteSelection", e);
 984         }
 985 }
 986
 987 function archiveSelection() {
 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                 var str;
1000                 var op;
1001
1002                 if (getActiveFeedId() != 0) {
1003                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1004                         op = "archive";
1005                 } else {
1006                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1007
1008                         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
1009
1010                         op = "unarchive";
1011                 }
1012
1013                 str = str.replace("%d", rows.length);
1014                 str = str.replace("%s", fn);
1015
1016                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1017                         return;
1018                 }
1019
1020                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1021
1022                 console.log(query);
1023
1024                 for (var i = 0; i < rows.length; i++) {
1025                         cache_delete("article:" + rows[i]);
1026                 }
1027
1028                 new Ajax.Request("backend.php", {
1029                         parameters: query,
1030                         onComplete: function(transport) {
1031                                         handle_rpc_json(transport);
1032                                         viewCurrentFeed();
1033                                 } });
1034
1035         } catch (e) {
1036                 exception_error("archiveSelection", e);
1037         }
1038 }
1039
1040 function catchupSelection() {
1041
1042         try {
1043
1044                 var rows = getSelectedArticleIds2();
1045
1046                 if (rows.length == 0) {
1047                         alert(__("No articles are selected."));
1048                         return;
1049                 }
1050
1051                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1052
1053                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1054
1055                 str = str.replace("%d", rows.length);
1056                 str = str.replace("%s", fn);
1057
1058                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1059                         return;
1060                 }
1061
1062                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1063
1064         } catch (e) {
1065                 exception_error("catchupSelection", e);
1066         }
1067 }
1068
1069 function editArticleTags(id) {
1070                 var query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
1071
1072                 if (dijit.byId("editTagsDlg"))
1073                         dijit.byId("editTagsDlg").destroyRecursive();
1074
1075                 dialog = new dijit.Dialog({
1076                         id: "editTagsDlg",
1077                         title: __("Edit article Tags"),
1078                         style: "width: 600px",
1079                         execute: function() {
1080                                 if (this.validate()) {
1081                                         var query = dojo.objectToQuery(this.attr('value'));
1082
1083                                         notify_progress("Saving article tags...", true);
1084
1085                                         new Ajax.Request("backend.php", {
1086                                         parameters: query,
1087                                         onComplete: function(transport) {
1088                                                 try {
1089                                                         notify('');
1090                                                         dialog.hide();
1091
1092                                                         var data = JSON.parse(transport.responseText);
1093
1094                                                         if (data) {
1095                                                                 var id = data.id;
1096
1097                                                                 console.log(id);
1098
1099                                                                 var tags = $("ATSTR-" + id);
1100                                                                 var tooltip = dijit.byId("ATSTRTIP-" + id);
1101
1102                                                                 if (tags) tags.innerHTML = data.content;
1103                                                                 if (tooltip) tooltip.attr('label', data.content_full);
1104                                                         }
1105                                                 } catch (e) {
1106                                                         exception_error("editArticleTags/inner", e);
1107                                                 }
1108
1109                                         }});
1110                                 }
1111                         },
1112                         href: query,
1113                 });
1114
1115                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1116                 dojo.disconnect(tmph);
1117
1118                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1119                            "backend.php?op=article&method=completeTags",
1120                            { tokens: ',', paramName: "search" });
1121                 });
1122
1123                 dialog.show();
1124
1125 }
1126
1127 function cdmScrollToArticleId(id, force) {
1128         try {
1129                 var ctr = $("headlines-frame");
1130                 var e = $("RROW-" + id);
1131
1132                 if (!e || !ctr) return;
1133
1134                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1135                                 e.offsetTop < ctr.scrollTop) {
1136
1137                         // expanded cdm has a 4px margin now
1138                         ctr.scrollTop = parseInt(e.offsetTop) - 4;
1139                 }
1140
1141         } catch (e) {
1142                 exception_error("cdmScrollToArticleId", e);
1143         }
1144 }
1145
1146 function setActiveArticleId(id) {
1147         _active_article_id = id;
1148 }
1149
1150 function getActiveArticleId() {
1151         return _active_article_id;
1152 }
1153
1154 function postMouseIn(e, id) {
1155         post_under_pointer = id;
1156 }
1157
1158 function postMouseOut(id) {
1159         post_under_pointer = false;
1160 }
1161
1162 function unpackVisibleHeadlines() {
1163         try {
1164                 if (!isCdmMode()) return;
1165
1166                 $$("#headlines-frame > div[id*=RROW]").each(
1167                         function(child) {
1168                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1169                                         $("headlines-frame").offsetHeight) {
1170
1171                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1172
1173                                         if (cencw) {
1174                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1175                                                 cencw.setAttribute('id', '');
1176                                                 Element.show(cencw);
1177                                         }
1178                                 }
1179                         }
1180                 );
1181
1182         } catch (e) {
1183                 exception_error("unpackVisibleHeadlines", e);
1184         }
1185 }
1186
1187 function headlines_scroll_handler(e) {
1188         try {
1189                 var hsp = $("headlines-spacer");
1190
1191                 unpackVisibleHeadlines();
1192
1193                 if (!_infscroll_disable) {
1194                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1195                                         (e.scrollHeight != 0 &&
1196                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1197
1198                                 if (hsp)
1199                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1200                                                 __("Loading, please wait...");
1201
1202                                 loadMoreHeadlines();
1203                                 return;
1204
1205                         }
1206                 } else {
1207                         if (hsp) hsp.innerHTML = "";
1208                 }
1209
1210                 if (getInitParam("cdm_auto_catchup") == 1) {
1211
1212                         // let's get DOM some time to settle down
1213                         var ts = new Date().getTime();
1214                         if (ts - _last_headlines_update < 100) return;
1215
1216                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1217                                 function(child) {
1218                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1219                                                         (child.offsetTop + child.offsetHeight/2)) {
1220
1221                                                 var id = child.id.replace("RROW-", "");
1222
1223                                                 if (catchup_id_batch.indexOf(id) == -1)
1224                                                         catchup_id_batch.push(id);
1225
1226                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1227                                         }
1228                                 });
1229
1230                         if (catchup_id_batch.length > 0) {
1231                                 window.clearTimeout(catchup_timeout_id);
1232
1233                                 if (!_infscroll_request_sent) {
1234                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1235                                                 500);
1236                                 }
1237                         }
1238                 }
1239
1240         } catch (e) {
1241                 console.warn("headlines_scroll_handler: " + e);
1242         }
1243 }
1244
1245 function catchupBatchedArticles() {
1246         try {
1247                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1248
1249                         // make a copy of the array
1250                         var batch = catchup_id_batch.slice();
1251                         var query = "?op=rpc&method=catchupSelected" +
1252                                 "&cmode=0&ids=" + param_escape(batch.toString());
1253
1254                         console.log(query);
1255
1256                         new Ajax.Request("backend.php", {
1257                                 parameters: query,
1258                                 onComplete: function(transport) {
1259                                         handle_rpc_json(transport);
1260
1261                                         reply = JSON.parse(transport.responseText);
1262                                         var batch = reply.ids;
1263
1264                                         batch.each(function(id) {
1265                                                 console.log(id);
1266                                                 var elem = $("RROW-" + id);
1267                                                 if (elem) elem.removeClassName("Unread");
1268                                                 catchup_id_batch.remove(id);
1269                                         });
1270
1271                                 } });
1272                 }
1273
1274         } catch (e) {
1275                 exception_error("catchupBatchedArticles", e);
1276         }
1277 }
1278
1279 function catchupRelativeToArticle(below, id) {
1280
1281         try {
1282
1283                 if (!id) id = getActiveArticleId();
1284
1285                 if (!id) {
1286                         alert(__("No article is selected."));
1287                         return;
1288                 }
1289
1290                 var visible_ids = getVisibleArticleIds();
1291
1292                 var ids_to_mark = new Array();
1293
1294                 if (!below) {
1295                         for (var i = 0; i < visible_ids.length; i++) {
1296                                 if (visible_ids[i] != id) {
1297                                         var e = $("RROW-" + visible_ids[i]);
1298
1299                                         if (e && e.hasClassName("Unread")) {
1300                                                 ids_to_mark.push(visible_ids[i]);
1301                                         }
1302                                 } else {
1303                                         break;
1304                                 }
1305                         }
1306                 } else {
1307                         for (var i = visible_ids.length-1; i >= 0; i--) {
1308                                 if (visible_ids[i] != id) {
1309                                         var e = $("RROW-" + visible_ids[i]);
1310
1311                                         if (e && e.hasClassName("Unread")) {
1312                                                 ids_to_mark.push(visible_ids[i]);
1313                                         }
1314                                 } else {
1315                                         break;
1316                                 }
1317                         }
1318                 }
1319
1320                 if (ids_to_mark.length == 0) {
1321                         alert(__("No articles found to mark"));
1322                 } else {
1323                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1324
1325                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1326
1327                                 for (var i = 0; i < ids_to_mark.length; i++) {
1328                                         var e = $("RROW-" + ids_to_mark[i]);
1329                                         e.removeClassName("Unread");
1330                                 }
1331
1332                                 var query = "?op=rpc&method=catchupSelected" +
1333                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1334
1335                                 new Ajax.Request("backend.php", {
1336                                         parameters: query,
1337                                         onComplete: function(transport) {
1338                                                 handle_rpc_json(transport);
1339                                         } });
1340
1341                         }
1342                 }
1343
1344         } catch (e) {
1345                 exception_error("catchupRelativeToArticle", e);
1346         }
1347 }
1348
1349 function cdmCollapseArticle(event, id) {
1350         try {
1351                 var row = $("RROW-" + id);
1352                 var elem = $("CICD-" + id);
1353
1354                 if (elem && row) {
1355                         var collapse = $$("div#RROW-" + id +
1356                                 " span[class='collapseBtn']")[0];
1357
1358                         Element.hide(elem);
1359                         Element.show("CEXC-" + id);
1360                         Element.hide(collapse);
1361                         row.removeClassName("active");
1362
1363                         markHeadline(id, false);
1364
1365                         if (id == getActiveArticleId()) {
1366                                 setActiveArticleId(0);
1367                         }
1368
1369                         if (event) Event.stop(event);
1370                 }
1371
1372         } catch (e) {
1373                 exception_error("cdmCollapseArticle", e);
1374         }
1375 }
1376
1377 function cdmExpandArticle(id) {
1378         try {
1379                 console.log("cdmExpandArticle " + id);
1380
1381                 if (!$("RROW-" + id)) return false;
1382
1383                 var oldrow = $("RROW-" + getActiveArticleId());
1384
1385                 var elem = $("CICD-" + getActiveArticleId());
1386
1387                 if (id == getActiveArticleId() && Element.visible(elem))
1388                         return true;
1389
1390                 selectArticles("none");
1391
1392                 var old_offset = $("RROW-" + id).offsetTop;
1393
1394                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1395                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1396                                 " span[class='collapseBtn']")[0];
1397
1398                         Element.hide(elem);
1399                         Element.show("CEXC-" + getActiveArticleId());
1400                         Element.hide(collapse);
1401                 }
1402
1403                 if (oldrow) oldrow.removeClassName("active");
1404
1405                 setActiveArticleId(id);
1406
1407                 elem = $("CICD-" + id);
1408
1409                 var collapse = $$("div#RROW-" + id +
1410                                 " span[class='collapseBtn']")[0];
1411
1412                 var cencw = $("CENCW-" + id);
1413
1414                 if (!Element.visible(elem)) {
1415                         if (cencw) {
1416                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1417                                 cencw.setAttribute('id', '');
1418                                 Element.show(cencw);
1419                         }
1420
1421                         Element.show(elem);
1422                         Element.hide("CEXC-" + id);
1423                         Element.show(collapse);
1424                 }
1425
1426                 var new_offset = $("RROW-" + id).offsetTop;
1427
1428                 if (old_offset > new_offset)
1429                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1430
1431                 toggleUnread(id, 0, true);
1432                 toggleSelected(id);
1433                 $("RROW-" + id).addClassName("active");
1434
1435         } catch (e) {
1436                 exception_error("cdmExpandArticle", e);
1437         }
1438
1439         return false;
1440 }
1441
1442 function fixHeadlinesOrder(ids) {
1443         try {
1444                 for (var i = 0; i < ids.length; i++) {
1445                         var e = $("RROW-" + ids[i]);
1446
1447                         if (e) {
1448                                 if (i % 2 == 0) {
1449                                         e.removeClassName("even");
1450                                         e.addClassName("odd");
1451                                 } else {
1452                                         e.removeClassName("odd");
1453                                         e.addClassName("even");
1454                                 }
1455                         }
1456                 }
1457         } catch (e) {
1458                 exception_error("fixHeadlinesOrder", e);
1459         }
1460 }
1461
1462 function getArticleUnderPointer() {
1463         return post_under_pointer;
1464 }
1465
1466 function scrollArticle(offset) {
1467         try {
1468                 if (!isCdmMode()) {
1469                         var ci = $("content-insert");
1470                         if (ci) {
1471                                 ci.scrollTop += offset;
1472                         }
1473                 } else {
1474                         var hi = $("headlines-frame");
1475                         if (hi) {
1476                                 hi.scrollTop += offset;
1477                         }
1478
1479                 }
1480         } catch (e) {
1481                 exception_error("scrollArticle", e);
1482         }
1483 }
1484
1485 function show_labels_in_headlines(transport) {
1486         try {
1487                 var data = JSON.parse(transport.responseText);
1488
1489                 if (data) {
1490                         data['info-for-headlines'].each(function(elem) {
1491                                 var ctr = $("HLLCTR-" + elem.id);
1492
1493                                 if (ctr) ctr.innerHTML = elem.labels;
1494                         });
1495                 }
1496         } catch (e) {
1497                 exception_error("show_labels_in_headlines", e);
1498         }
1499 }
1500
1501 function dismissArticle(id) {
1502         try {
1503                 var elem = $("RROW-" + id);
1504
1505                 if (!elem) return;
1506
1507                 toggleUnread(id, 0, true);
1508
1509                 new Effect.Fade(elem, {duration : 0.5});
1510
1511                 if (id == getActiveArticleId()) {
1512                         setActiveArticleId(0);
1513                 }
1514
1515         } catch (e) {
1516                 exception_error("dismissArticle", e);
1517         }
1518 }
1519
1520 function dismissSelectedArticles() {
1521         try {
1522
1523                 var ids = getVisibleArticleIds();
1524                 var tmp = [];
1525                 var sel = [];
1526
1527                 for (var i = 0; i < ids.length; i++) {
1528                         var elem = $("RROW-" + ids[i]);
1529
1530                         if (elem.className && elem.hasClassName("Selected") &&
1531                                         ids[i] != getActiveArticleId()) {
1532                                 new Effect.Fade(elem, {duration : 0.5});
1533                                 sel.push(ids[i]);
1534                         } else {
1535                                 tmp.push(ids[i]);
1536                         }
1537                 }
1538
1539                 if (sel.length > 0)
1540                         selectionToggleUnread(false);
1541
1542                 fixHeadlinesOrder(tmp);
1543
1544         } catch (e) {
1545                 exception_error("dismissSelectedArticles", e);
1546         }
1547 }
1548
1549 function dismissReadArticles() {
1550         try {
1551
1552                 var ids = getVisibleArticleIds();
1553                 var tmp = [];
1554
1555                 for (var i = 0; i < ids.length; i++) {
1556                         var elem = $("RROW-" + ids[i]);
1557
1558                         if (elem.className && !elem.hasClassName("Unread") &&
1559                                         !elem.hasClassName("Selected")) {
1560
1561                                 new Effect.Fade(elem, {duration : 0.5});
1562                         } else {
1563                                 tmp.push(ids[i]);
1564                         }
1565                 }
1566
1567                 fixHeadlinesOrder(tmp);
1568
1569         } catch (e) {
1570                 exception_error("dismissSelectedArticles", e);
1571         }
1572 }
1573
1574 function getVisibleArticleIds() {
1575         var ids = [];
1576
1577         try {
1578
1579                 getLoadedArticleIds().each(function(id) {
1580                         var elem = $("RROW-" + id);
1581                         if (elem && Element.visible(elem))
1582                                 ids.push(id);
1583                         });
1584
1585         } catch (e) {
1586                 exception_error("getVisibleArticleIds", e);
1587         }
1588
1589         return ids;
1590 }
1591
1592 function cdmClicked(event, id) {
1593         try {
1594                 //var shift_key = event.shiftKey;
1595
1596                 if (!event.ctrlKey) {
1597
1598                         if (!getInitParam("cdm_expanded")) {
1599                                 return cdmExpandArticle(id);
1600                         } else {
1601
1602                                 var elem = $("RROW-" + getActiveArticleId());
1603
1604                                 if (elem) elem.removeClassName("active");
1605
1606                                 selectArticles("none");
1607                                 toggleSelected(id);
1608
1609                                 var elem = $("RROW-" + id);
1610                                 var article_is_unread = elem.hasClassName("Unread");
1611
1612                                 elem.removeClassName("Unread");
1613                                 elem.addClassName("active");
1614
1615                                 setActiveArticleId(id);
1616
1617                                 if (article_is_unread) {
1618                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1619                                 }
1620
1621                                 var query = "?op=rpc&method=catchupSelected" +
1622                                         "&cmode=0&ids=" + param_escape(id);
1623
1624                                 new Ajax.Request("backend.php", {
1625                                         parameters: query,
1626                                         onComplete: function(transport) {
1627                                                 handle_rpc_json(transport);
1628                                         } });
1629
1630                                 return !event.shiftKey;
1631                         }
1632
1633                 } else {
1634                         toggleSelected(id, true);
1635
1636                         var elem = $("RROW-" + id);
1637                         var article_is_unread = elem.hasClassName("Unread");
1638
1639                         if (article_is_unread) {
1640                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1641                         }
1642
1643                         toggleUnread(id, 0, false);
1644
1645                         openArticleInNewWindow(id);
1646                 }
1647
1648                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1649                 request_counters(unread_in_buffer == 0);
1650
1651         } catch (e) {
1652                 exception_error("cdmClicked");
1653         }
1654
1655         return false;
1656 }
1657
1658 function hlClicked(event, id) {
1659         try {
1660                 if (event.which == 2) {
1661                         view(id);
1662                         return true;
1663                 } else if (event.ctrlKey) {
1664                         toggleSelected(id, true);
1665                         toggleUnread(id, 0, false);
1666                         openArticleInNewWindow(id);
1667                         return false;
1668                 } else {
1669                         view(id);
1670                         return false;
1671                 }
1672
1673         } catch (e) {
1674                 exception_error("hlClicked");
1675         }
1676 }
1677
1678 function getFirstVisibleHeadlineId() {
1679         var rows = getVisibleArticleIds();
1680         return rows[0];
1681
1682 }
1683
1684 function getLastVisibleHeadlineId() {
1685         var rows = getVisibleArticleIds();
1686         return rows[rows.length-1];
1687 }
1688
1689 function openArticleInNewWindow(id) {
1690         toggleUnread(id, 0, false);
1691         window.open("backend.php?op=article&method=redirect&id=" + id);
1692 }
1693
1694 function isCdmMode() {
1695         return getInitParam("combined_display_mode");
1696 }
1697
1698 function markHeadline(id, marked) {
1699         if (marked == undefined) marked = true;
1700
1701         var row = $("RROW-" + id);
1702         if (row) {
1703                 var check = dijit.byId("RCHK-" + id);
1704
1705                 if (check) {
1706                         check.attr("checked", marked);
1707                 }
1708
1709                 if (marked)
1710                         row.addClassName("Selected");
1711                 else
1712                         row.removeClassName("Selected");
1713         }
1714 }
1715
1716 function getRelativePostIds(id, limit) {
1717
1718         var tmp = [];
1719
1720         try {
1721
1722                 if (!limit) limit = 6; //3
1723
1724                 var ids = getVisibleArticleIds();
1725
1726                 for (var i = 0; i < ids.length; i++) {
1727                         if (ids[i] == id) {
1728                                 for (var k = 1; k <= limit; k++) {
1729                                         //if (i > k-1) tmp.push(ids[i-k]);
1730                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1731                                 }
1732                                 break;
1733                         }
1734                 }
1735
1736         } catch (e) {
1737                 exception_error("getRelativePostIds", e);
1738         }
1739
1740         return tmp;
1741 }
1742
1743 function correctHeadlinesOffset(id) {
1744
1745         try {
1746
1747                 var container = $("headlines-frame");
1748                 var row = $("RROW-" + id);
1749
1750                 if (!container || !row) return;
1751
1752                 var viewport = container.offsetHeight;
1753
1754                 var rel_offset_top = row.offsetTop - container.scrollTop;
1755                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1756
1757                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1758                 //console.log("Vport: " + viewport);
1759
1760                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1761                         container.scrollTop = row.offsetTop;
1762                 } else if (rel_offset_bottom > viewport) {
1763
1764                         /* doesn't properly work with Opera in some cases because
1765                                 Opera fucks up element scrolling */
1766
1767                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1768                 }
1769
1770         } catch (e) {
1771                 exception_error("correctHeadlinesOffset", e);
1772         }
1773
1774 }
1775
1776 function headlineActionsChange(elem) {
1777         try {
1778                 eval(elem.value);
1779                 elem.attr('value', 'false');
1780         } catch (e) {
1781                 exception_error("headlineActionsChange", e);
1782         }
1783 }
1784
1785 function closeArticlePanel() {
1786
1787         if (dijit.byId("content-insert"))
1788                 dijit.byId("headlines-wrap-inner").removeChild(
1789                         dijit.byId("content-insert"));
1790 }
1791
1792 function initHeadlinesMenu() {
1793         try {
1794                 if (dijit.byId("headlinesMenu"))
1795                         dijit.byId("headlinesMenu").destroyRecursive();
1796
1797                 var ids = [];
1798
1799                 if (!isCdmMode()) {
1800                         nodes = $$("#headlines-frame > div[id*=RROW]");
1801                 } else {
1802                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1803                 }
1804
1805                 nodes.each(function(node) {
1806                         ids.push(node.id);
1807                 });
1808
1809                 var menu = new dijit.Menu({
1810                         id: "headlinesMenu",
1811                         targetNodeIds: ids,
1812                 });
1813
1814                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1815                         var callerNode = event.target, match = null, tries = 0;
1816
1817                         while (match == null && callerNode && tries <= 3) {
1818                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1819                                 callerNode = callerNode.parentNode;
1820                                 ++tries;
1821                         }
1822
1823                         if (match) this.callerRowId = parseInt(match[1]);
1824
1825                 });
1826
1827 /*              if (!isCdmMode())
1828                         menu.addChild(new dijit.MenuItem({
1829                                 label: __("View article"),
1830                                 onClick: function(event) {
1831                                         view(this.getParent().callerRowId);
1832                                 }})); */
1833
1834                 menu.addChild(new dijit.MenuItem({
1835                         label: __("Open original article"),
1836                         onClick: function(event) {
1837                                 openArticleInNewWindow(this.getParent().callerRowId);
1838                         }}));
1839
1840                 menu.addChild(new dijit.MenuItem({
1841                         label: __("Display article URL"),
1842                         onClick: function(event) {
1843                                 displayArticleUrl(this.getParent().callerRowId);
1844                         }}));
1845
1846                 menu.addChild(new dijit.MenuSeparator());
1847
1848                 menu.addChild(new dijit.MenuItem({
1849                         label: __("Toggle unread"),
1850                         onClick: function(event) {
1851                                 var ids = getSelectedArticleIds2();
1852                                 // cast to string
1853                                 var id = this.getParent().callerRowId + "";
1854                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1855
1856                                 selectionToggleUnread(undefined, false, true, ids);
1857                                 }}));
1858
1859                 menu.addChild(new dijit.MenuItem({
1860                         label: __("Toggle marked"),
1861                         onClick: function(event) {
1862                                 var ids = getSelectedArticleIds2();
1863                                 // cast to string
1864                                 var id = this.getParent().callerRowId + "";
1865                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1866
1867                                 selectionToggleMarked(undefined, false, true, ids);
1868                                 }}));
1869
1870                 menu.addChild(new dijit.MenuItem({
1871                         label: __("Toggle published"),
1872                         onClick: function(event) {
1873                                 var ids = getSelectedArticleIds2();
1874                                 // cast to string
1875                                 var id = this.getParent().callerRowId + "";
1876                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1877
1878                                 selectionTogglePublished(undefined, false, true, ids);
1879                                 }}));
1880
1881                 menu.addChild(new dijit.MenuSeparator());
1882
1883                 menu.addChild(new dijit.MenuItem({
1884                         label: __("Mark above as read"),
1885                         onClick: function(event) {
1886                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1887                                 }}));
1888
1889                 menu.addChild(new dijit.MenuItem({
1890                         label: __("Mark below as read"),
1891                         onClick: function(event) {
1892                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1893                                 }}));
1894
1895
1896                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1897
1898                 if (labels) {
1899
1900                         menu.addChild(new dijit.MenuSeparator());
1901
1902                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1903                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1904
1905                         labels.each(function(label) {
1906                                 var id = label.id[0];
1907                                 var bare_id = id.substr(id.indexOf(":")+1);
1908                                 var name = label.name[0];
1909
1910                                 bare_id = feed_to_label_id(bare_id);
1911
1912                                 labelAddMenu.addChild(new dijit.MenuItem({
1913                                         label: name,
1914                                         labelId: bare_id,
1915                                         onClick: function(event) {
1916                                                 var ids = getSelectedArticleIds2();
1917                                                 // cast to string
1918                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1919
1920                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1921
1922                                                 selectionAssignLabel(this.labelId, ids);
1923                                 }}));
1924
1925                                 labelDelMenu.addChild(new dijit.MenuItem({
1926                                         label: name,
1927                                         labelId: bare_id,
1928                                         onClick: function(event) {
1929                                                 var ids = getSelectedArticleIds2();
1930                                                 // cast to string
1931                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1932
1933                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1934
1935                                                 selectionRemoveLabel(this.labelId, ids);
1936                                 }}));
1937
1938                         });
1939
1940                         menu.addChild(new dijit.PopupMenuItem({
1941                                 label: __("Assign label"),
1942                                 popup: labelAddMenu,
1943                         }));
1944
1945                         menu.addChild(new dijit.PopupMenuItem({
1946                                 label: __("Remove label"),
1947                                 popup: labelDelMenu,
1948                         }));
1949
1950                 }
1951
1952                 menu.startup();
1953
1954         } catch (e) {
1955                 exception_error("initHeadlinesMenu", e);
1956         }
1957 }
1958
1959
1960 function player(elem) {
1961         var aid = elem.getAttribute("audio-id");
1962         var status = elem.getAttribute("status");
1963
1964         var audio = $(aid);
1965
1966         if (audio) {
1967                 if (status == 0) {
1968                         audio.play();
1969                         status = 1;
1970                         elem.innerHTML = __("Playing...");
1971                         elem.title = __("Click to pause");
1972                         elem.addClassName("playing");
1973                 } else {
1974                         audio.pause();
1975                         status = 0;
1976                         elem.innerHTML = __("Play");
1977                         elem.title = __("Click to play");
1978                         elem.removeClassName("playing");
1979                 }
1980
1981                 elem.setAttribute("status", status);
1982         } else {
1983                 alert("Your browser doesn't seem to support HTML5 audio.");
1984         }
1985 }
1986
1987 function cache_set(id, obj) {
1988         //console.log("cache_set: " + id);
1989         if (has_storage)
1990                 try {
1991                         sessionStorage[id] = obj;
1992                 } catch (e) {
1993                         sessionStorage.clear();
1994                 }
1995 }
1996
1997 function cache_get(id) {
1998         if (has_storage)
1999                 return sessionStorage[id];
2000 }
2001
2002 function cache_clear() {
2003         if (has_storage)
2004                 sessionStorage.clear();
2005 }
2006
2007 function cache_delete(id) {
2008         if (has_storage)
2009                 sessionStorage.removeItem(id);
2010 }
2011
2012 function cancelSearch() {
2013         try {
2014                 _search_query = "";
2015                 viewCurrentFeed();
2016         } catch (e) {
2017                 exception_error("cancelSearch", e);
2018         }
2019 }
2020
2021 function setSelectionScore() {
2022         try {
2023                 var ids = getSelectedArticleIds2();
2024
2025                 if (ids.length > 0) {
2026                         console.log(ids);
2027
2028                         var score = prompt(__("Please enter new score for selected articles:"), score);
2029
2030                         if (score != undefined) {
2031                                 var query = "op=article&method=setScore&id=" + param_escape(ids.toString()) +
2032                                         "&score=" + param_escape(score);
2033
2034                                 new Ajax.Request("backend.php", {
2035                                         parameters: query,
2036                                         onComplete: function(transport) {
2037                                                 var reply = JSON.parse(transport.responseText);
2038                                                 if (reply) {
2039                                                         console.log(ids);
2040
2041                                                         ids.each(function(id) {
2042                                                                 var row = $("RROW-" + id);
2043
2044                                                                 if (row) {
2045                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2046
2047                                                                         if (pic) {
2048                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2049                                                                                         reply["score_pic"]);
2050                                                                                 pic.setAttribute("score", score);
2051                                                                         }
2052                                                                 }
2053                                                         });
2054                                                 }
2055                                         } });
2056                         }
2057
2058                 } else {
2059                         alert(__("No articles are selected."));
2060                 }
2061         } catch (e) {
2062                 exception_error("setSelectionScore", e);
2063         }
2064 }
2065
2066 function changeScore(id, pic) {
2067         try {
2068                 var score = pic.getAttribute("score");
2069
2070                 var new_score = prompt(__("Please enter new score for this article:"), score);
2071
2072                 if (new_score != undefined) {
2073
2074                         var query = "op=article&method=setScore&id=" + param_escape(id) +
2075                                 "&score=" + param_escape(new_score);
2076
2077                         new Ajax.Request("backend.php", {
2078                                 parameters: query,
2079                                 onComplete: function(transport) {
2080                                         var reply = JSON.parse(transport.responseText);
2081
2082                                         if (reply) {
2083                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2084                                                 pic.setAttribute("score", new_score);
2085                                         }
2086                                 } });
2087                 }
2088         } catch (e) {
2089                 exception_error("changeScore", e);
2090         }
2091 }
2092
2093 function displayArticleUrl(id) {
2094         try {
2095                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2096
2097                         new Ajax.Request("backend.php", {
2098                                 parameters: query,
2099                                 onComplete: function(transport) {
2100                                         var reply = JSON.parse(transport.responseText);
2101
2102                                         if (reply && reply.link) {
2103                                                 prompt(__("Article URL:"), reply.link);
2104                                         }
2105                                 } });
2106         } catch (e) {
2107                 exception_error("changeScore", e);
2108         }
2109 }
2110
2111 function openSelectedAttachment(elem) {
2112         try {
2113                 var url = elem[elem.selectedIndex].value;
2114
2115                 if (url) {
2116                         window.open(url);
2117                         elem.selectedIndex = 0;
2118                 }
2119
2120         } catch (e) {
2121                 exception_error("openSelectedAttachment", e);
2122         }
2123 }