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
  16 var _post_preview_timeout = false;
  17
  18 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  19
  20 function headlines_callback2(transport, offset, background, infscroll_req) {
  21         try {
  22                 handle_rpc_json(transport);
  23
  24                 loading_set_progress(25);
  25
  26                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  27
  28                 var is_cat = false;
  29                 var feed_id = false;
  30
  31                 var reply = false;
  32
  33                 try {
  34                         reply = JSON.parse(transport.responseText);
  35                 } catch (e) {
  36                         console.error(e);
  37                 }
  38
  39                 if (reply) {
  40
  41                         is_cat = reply['headlines']['is_cat'];
  42                         feed_id = reply['headlines']['id'];
  43
  44                         if (background) {
  45                                 var content = reply['headlines']['content'];
  46
  47                                 if (getInitParam("cdm_auto_catchup") == 1) {
  48                                         content = content + "<div id='headlines-spacer'></div>";
  49                                 }
  50                                 return;
  51                         }
  52
  53                         setActiveFeedId(feed_id, is_cat);
  54
  55                         /* dijit.getEnclosingWidget(
  56                                 document.forms["main_toolbar_form"].update).attr('disabled',
  57                                         is_cat || feed_id <= 0); */
  58
  59                         try {
  60                                 if (infscroll_req == false) {
  61                                         $("headlines-frame").scrollTop = 0;
  62                                 }
  63                         } catch (e) { };
  64
  65                         var headlines_count = reply['headlines-info']['count'];
  66
  67                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  68
  69                         if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
  70                                 _infscroll_disable = 1;
  71                         } else {
  72                                 _infscroll_disable = 0;
  73                         }
  74
  75                         var counters = reply['counters'];
  76                         var articles = reply['articles'];
  77                         //var runtime_info = reply['runtime-info'];
  78
  79                         if (infscroll_req == false) {
  80                                 loaded_article_ids = [];
  81
  82                                 dijit.byId("headlines-frame").attr('content',
  83                                         reply['headlines']['content']);
  84
  85                                 dijit.byId("headlines-toolbar").attr('content',
  86                                         reply['headlines']['toolbar']);
  87
  88                                 $$("#headlines-frame > div[id*=RROW]").each(function(row) {
  89                                         if (loaded_article_ids.indexOf(row.id) != -1) {
  90                                                 row.parentNode.removeChild(row);
  91                                         } else {
  92                                                 loaded_article_ids.push(row.id);
  93                                         }
  94                                 });
  95
  96                                 if (getInitParam("cdm_auto_catchup") == 1) {
  97                                         var hsp = $("headlines-spacer");
  98                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
  99                                         dijit.byId('headlines-frame').domNode.appendChild(hsp);
 100                                 }
 101
 102                                 initHeadlinesMenu();
 103
 104                                 if (_search_query) {
 105                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 106                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 107                                                 "</span>";
 108                                 }
 109
 110                         } else {
 111
 112                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 113                                         console.log("adding some more headlines: " + headlines_count);
 114
 115                                         var c = dijit.byId("headlines-frame");
 116                                         var ids = getSelectedArticleIds2();
 117                                         var new_elems = [];
 118
 119                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 120
 121                                         var hsp = $("headlines-spacer");
 122
 123                                         if (hsp)
 124                                                 c.domNode.removeChild(hsp);
 125
 126                                         $$("#headlines-tmp > div").each(function(row) {
 127                                                 if (row.className == 'cdmFeedTitle') {
 128                                                         row.style.display = 'none';
 129                                                         c.domNode.appendChild(row);
 130                                                         new_elems.push(row);
 131                                                 } else if (loaded_article_ids.indexOf(row.id) == -1) {
 132                                                         row.style.display = 'none';
 133                                                         c.domNode.appendChild(row);
 134                                                         new_elems.push(row);
 135                                                         loaded_article_ids.push(row.id);
 136                                                 } else {
 137                                                         row.parentNode.removeChild(row);
 138                                                 }
 139                                         });
 140
 141                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 142
 143                                         fixHeadlinesOrder(getLoadedArticleIds());
 144
 145                                         if (getInitParam("cdm_auto_catchup") == 1) {
 146                                                 c.domNode.appendChild(hsp);
 147                                         }
 148
 149                                         console.log("added " + new_elems.size() + " headlines");
 150
 151                                         if (new_elems.size() == 0)
 152                                                 _infscroll_disable = true;
 153
 154                                         console.log("restore selected ids: " + ids);
 155
 156                                         for (var i = 0; i < ids.length; i++) {
 157                                                 markHeadline(ids[i]);
 158                                         }
 159
 160                                         initHeadlinesMenu();
 161
 162                                         new_elems.each(function(child) {
 163                                                 var cb = dijit.byId(child.id.replace("RROW-", "RCHK-"));
 164
 165                                                 if (!cb) {
 166                                                         dojo.parser.parse(child);
 167
 168                                                         if (!Element.visible(child))
 169                                                                 new Effect.Appear(child, { duration : 0.5 });
 170                                                 } else {
 171                                                         c.domNode.removeChild(child);
 172                                                 }
 173                                         });
 174
 175                                 } else {
 176                                         console.log("no new headlines received");
 177
 178                                         var hsp = $("headlines-spacer");
 179
 180                                         if (hsp) hsp.innerHTML = "";
 181                                 }
 182                         }
 183
 184                         if (articles) {
 185                                 for (var i = 0; i < articles.length; i++) {
 186                                         var a_id = articles[i]['id'];
 187                                         cache_set("article:" + a_id, articles[i]['content']);
 188                                 }
 189                         } else {
 190                                 console.log("no cached articles received");
 191                         }
 192
 193                         if (counters)
 194                                 parse_counters(counters);
 195                         else
 196                                 request_counters(true);
 197
 198                 } else if (transport.responseText) {
 199                         console.error("Invalid object received: " + transport.responseText);
 200                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 201                                         __('Could not update headlines (invalid object received - see error console for details)') +
 202                                         "</div>");
 203                 } else {
 204                         //notify_error("Error communicating with server.");
 205                         Element.show(dijit.byId("net-alert").domNode);
 206                 }
 207
 208                 _infscroll_request_sent = 0;
 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=rpc&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=rpc&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=rpc&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         if (_post_preview_timeout) window.clearTimeout(_post_preview_timeout);
1158
1159         /* if (!isCdmMode() || !getInitParam("cdm_expanded")) {
1160                 _post_preview_timeout = window.setTimeout(function() {
1161                         displaySmallArticlePreview(e, id);
1162                 }, 1000);
1163         } */
1164 }
1165
1166 function displaySmallArticlePreview(e, id) {
1167         try {
1168                 var query = "?op=rpc&method=cdmarticlepreview&id=" + id;
1169
1170                 new Ajax.Request("backend.php", {
1171                         parameters: query,
1172                         onComplete: function(transport) {
1173                                 cexc = $("CEXC-" + id);
1174                                 preview = $("small_article_preview");
1175                                 row = $("RROW-" + id);
1176                                 ctr = $("headlines-frame");
1177
1178                                 if (id != getActiveArticleId() && (!isCdmMode() || (cexc && Element.visible(cexc))) && row && preview) {
1179                                         preview.innerHTML = transport.responseText;
1180                                         new Effect.Appear(preview, {duration:0.2});
1181
1182                                         preview.setStyle({
1183                                                 left: (e.clientX + 20) + 'px',
1184                                                 top: (row.offsetTop + row.offsetHeight*2 + 20 - ctr.scrollTop) + 'px' });
1185
1186                                 }
1187
1188                         } });
1189
1190
1191         } catch (e) {
1192                 exception_error("displaySmallArticlePreview", e);
1193         }
1194 }
1195
1196 function postMouseOut(id) {
1197         post_under_pointer = false;
1198
1199         if (_post_preview_timeout) window.clearTimeout(_post_preview_timeout);
1200
1201         if (Element.visible("small_article_preview"))
1202                 Element.hide("small_article_preview");
1203 }
1204
1205 function unpackVisibleHeadlines() {
1206         try {
1207
1208                 if (!isCdmMode()) return;
1209
1210                 $$("#headlines-frame > div[id*=RROW]").each(
1211                         function(child) {
1212                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1213                                         $("headlines-frame").offsetHeight) {
1214
1215                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1216
1217                                         if (cencw) {
1218                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1219                                                 cencw.setAttribute('id', '');
1220                                                 Element.show(cencw);
1221                                         }
1222                                 }
1223                         }
1224                 );
1225
1226
1227         } catch (e) {
1228                 exception_error("unpackVisibleHeadlines", e);
1229         }
1230 }
1231
1232 function headlines_scroll_handler(e) {
1233         try {
1234                 var hsp = $("headlines-spacer");
1235
1236                 unpackVisibleHeadlines();
1237
1238                 if (!_infscroll_disable) {
1239                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1240                                         (e.scrollHeight != 0 &&
1241                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1242
1243                                 if (hsp)
1244                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1245                                                 __("Loading, please wait...");
1246
1247                                 loadMoreHeadlines();
1248                                 return;
1249
1250                         }
1251                 } else {
1252                         if (hsp) hsp.innerHTML = "";
1253                 }
1254
1255                 if (getInitParam("cdm_auto_catchup") == 1) {
1256
1257                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1258                                 function(child) {
1259                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1260                                                         (child.offsetTop + child.offsetHeight/2)) {
1261
1262                                                 var id = child.id.replace("RROW-", "");
1263
1264                                                 if (catchup_id_batch.indexOf(id) == -1)
1265                                                         catchup_id_batch.push(id);
1266
1267                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1268                                         }
1269                                 });
1270
1271                         if (catchup_id_batch.length > 0) {
1272                                 window.clearTimeout(catchup_timeout_id);
1273
1274                                 if (!_infscroll_request_sent) {
1275                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1276                                                 500);
1277                                 }
1278                         }
1279                 }
1280
1281         } catch (e) {
1282                 console.warn("headlines_scroll_handler: " + e);
1283         }
1284 }
1285
1286 function catchupBatchedArticles() {
1287         try {
1288                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1289
1290                         // make a copy of the array
1291                         var batch = catchup_id_batch.slice();
1292                         var query = "?op=rpc&method=catchupSelected" +
1293                                 "&cmode=0&ids=" + param_escape(batch.toString());
1294
1295                         console.log(query);
1296
1297                         new Ajax.Request("backend.php", {
1298                                 parameters: query,
1299                                 onComplete: function(transport) {
1300                                         handle_rpc_json(transport);
1301
1302                                         batch.each(function(id) {
1303                                                 var elem = $("RROW-" + id);
1304                                                 if (elem) elem.removeClassName("Unread");
1305                                                 catchup_id_batch.remove(id);
1306                                         });
1307
1308                                 } });
1309                 }
1310
1311         } catch (e) {
1312                 exception_error("catchupBatchedArticles", e);
1313         }
1314 }
1315
1316 function catchupRelativeToArticle(below, id) {
1317
1318         try {
1319
1320                 if (!id) id = getActiveArticleId();
1321
1322                 if (!id) {
1323                         alert(__("No article is selected."));
1324                         return;
1325                 }
1326
1327                 var visible_ids = getVisibleArticleIds();
1328
1329                 var ids_to_mark = new Array();
1330
1331                 if (!below) {
1332                         for (var i = 0; i < visible_ids.length; i++) {
1333                                 if (visible_ids[i] != id) {
1334                                         var e = $("RROW-" + visible_ids[i]);
1335
1336                                         if (e && e.hasClassName("Unread")) {
1337                                                 ids_to_mark.push(visible_ids[i]);
1338                                         }
1339                                 } else {
1340                                         break;
1341                                 }
1342                         }
1343                 } else {
1344                         for (var i = visible_ids.length-1; i >= 0; i--) {
1345                                 if (visible_ids[i] != id) {
1346                                         var e = $("RROW-" + visible_ids[i]);
1347
1348                                         if (e && e.hasClassName("Unread")) {
1349                                                 ids_to_mark.push(visible_ids[i]);
1350                                         }
1351                                 } else {
1352                                         break;
1353                                 }
1354                         }
1355                 }
1356
1357                 if (ids_to_mark.length == 0) {
1358                         alert(__("No articles found to mark"));
1359                 } else {
1360                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1361
1362                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1363
1364                                 for (var i = 0; i < ids_to_mark.length; i++) {
1365                                         var e = $("RROW-" + ids_to_mark[i]);
1366                                         e.removeClassName("Unread");
1367                                 }
1368
1369                                 var query = "?op=rpc&method=catchupSelected" +
1370                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1371
1372                                 new Ajax.Request("backend.php", {
1373                                         parameters: query,
1374                                         onComplete: function(transport) {
1375                                                 handle_rpc_json(transport);
1376                                         } });
1377
1378                         }
1379                 }
1380
1381         } catch (e) {
1382                 exception_error("catchupRelativeToArticle", e);
1383         }
1384 }
1385
1386 function cdmCollapseArticle(event, id) {
1387         try {
1388                 var row = $("RROW-" + id);
1389                 var elem = $("CICD-" + id);
1390
1391                 if (elem && row) {
1392                         var collapse = $$("div#RROW-" + id +
1393                                 " span[class='collapseBtn']")[0];
1394
1395                         Element.hide(elem);
1396                         Element.show("CEXC-" + id);
1397                         Element.hide(collapse);
1398                         row.removeClassName("active");
1399
1400                         markHeadline(id, false);
1401
1402                         if (id == getActiveArticleId()) {
1403                                 setActiveArticleId(0);
1404                         }
1405
1406                         if (event) Event.stop(event);
1407                 }
1408
1409         } catch (e) {
1410                 exception_error("cdmCollapseArticle", e);
1411         }
1412 }
1413
1414 function cdmExpandArticle(id) {
1415         try {
1416                 console.log("cdmExpandArticle " + id);
1417
1418                 if (!$("RROW-" + id)) return false;
1419
1420                 var oldrow = $("RROW-" + getActiveArticleId());
1421
1422                 var elem = $("CICD-" + getActiveArticleId());
1423
1424                 if (id == getActiveArticleId() && Element.visible(elem))
1425                         return true;
1426
1427                 selectArticles("none");
1428
1429                 var old_offset = $("RROW-" + id).offsetTop;
1430
1431                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1432                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1433                                 " span[class='collapseBtn']")[0];
1434
1435                         Element.hide(elem);
1436                         Element.show("CEXC-" + getActiveArticleId());
1437                         Element.hide(collapse);
1438                 }
1439
1440                 if (oldrow) oldrow.removeClassName("active");
1441
1442                 setActiveArticleId(id);
1443
1444                 elem = $("CICD-" + id);
1445
1446                 var collapse = $$("div#RROW-" + id +
1447                                 " span[class='collapseBtn']")[0];
1448
1449                 var cencw = $("CENCW-" + id);
1450
1451                 if (!Element.visible(elem)) {
1452                         if (cencw) {
1453                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1454                                 cencw.setAttribute('id', '');
1455                                 Element.show(cencw);
1456                         }
1457
1458                         Element.show(elem);
1459                         Element.hide("CEXC-" + id);
1460                         Element.show(collapse);
1461                 }
1462
1463                 var new_offset = $("RROW-" + id).offsetTop;
1464
1465                 if (old_offset > new_offset)
1466                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1467
1468                 toggleUnread(id, 0, true);
1469                 toggleSelected(id);
1470                 $("RROW-" + id).addClassName("active");
1471
1472         } catch (e) {
1473                 exception_error("cdmExpandArticle", e);
1474         }
1475
1476         return false;
1477 }
1478
1479 function fixHeadlinesOrder(ids) {
1480         try {
1481                 for (var i = 0; i < ids.length; i++) {
1482                         var e = $("RROW-" + ids[i]);
1483
1484                         if (e) {
1485                                 if (i % 2 == 0) {
1486                                         e.removeClassName("even");
1487                                         e.addClassName("odd");
1488                                 } else {
1489                                         e.removeClassName("odd");
1490                                         e.addClassName("even");
1491                                 }
1492                         }
1493                 }
1494         } catch (e) {
1495                 exception_error("fixHeadlinesOrder", e);
1496         }
1497 }
1498
1499 function getArticleUnderPointer() {
1500         return post_under_pointer;
1501 }
1502
1503 function scrollArticle(offset) {
1504         try {
1505                 if (!isCdmMode()) {
1506                         var ci = $("content-insert");
1507                         if (ci) {
1508                                 ci.scrollTop += offset;
1509                         }
1510                 } else {
1511                         var hi = $("headlines-frame");
1512                         if (hi) {
1513                                 hi.scrollTop += offset;
1514                         }
1515
1516                 }
1517         } catch (e) {
1518                 exception_error("scrollArticle", e);
1519         }
1520 }
1521
1522 function show_labels_in_headlines(transport) {
1523         try {
1524                 var data = JSON.parse(transport.responseText);
1525
1526                 if (data) {
1527                         data['info-for-headlines'].each(function(elem) {
1528                                 var ctr = $("HLLCTR-" + elem.id);
1529
1530                                 if (ctr) ctr.innerHTML = elem.labels;
1531                         });
1532                 }
1533         } catch (e) {
1534                 exception_error("show_labels_in_headlines", e);
1535         }
1536 }
1537
1538 function dismissArticle(id) {
1539         try {
1540                 var elem = $("RROW-" + id);
1541
1542                 if (!elem) return;
1543
1544                 toggleUnread(id, 0, true);
1545
1546                 new Effect.Fade(elem, {duration : 0.5});
1547
1548                 if (id == getActiveArticleId()) {
1549                         setActiveArticleId(0);
1550                 }
1551
1552         } catch (e) {
1553                 exception_error("dismissArticle", e);
1554         }
1555 }
1556
1557 function dismissSelectedArticles() {
1558         try {
1559
1560                 var ids = getVisibleArticleIds();
1561                 var tmp = [];
1562                 var sel = [];
1563
1564                 for (var i = 0; i < ids.length; i++) {
1565                         var elem = $("RROW-" + ids[i]);
1566
1567                         if (elem.className && elem.hasClassName("Selected") &&
1568                                         ids[i] != getActiveArticleId()) {
1569                                 new Effect.Fade(elem, {duration : 0.5});
1570                                 sel.push(ids[i]);
1571                         } else {
1572                                 tmp.push(ids[i]);
1573                         }
1574                 }
1575
1576                 if (sel.length > 0)
1577                         selectionToggleUnread(false);
1578
1579                 fixHeadlinesOrder(tmp);
1580
1581         } catch (e) {
1582                 exception_error("dismissSelectedArticles", e);
1583         }
1584 }
1585
1586 function dismissReadArticles() {
1587         try {
1588
1589                 var ids = getVisibleArticleIds();
1590                 var tmp = [];
1591
1592                 for (var i = 0; i < ids.length; i++) {
1593                         var elem = $("RROW-" + ids[i]);
1594
1595                         if (elem.className && !elem.hasClassName("Unread") &&
1596                                         !elem.hasClassName("Selected")) {
1597
1598                                 new Effect.Fade(elem, {duration : 0.5});
1599                         } else {
1600                                 tmp.push(ids[i]);
1601                         }
1602                 }
1603
1604                 fixHeadlinesOrder(tmp);
1605
1606         } catch (e) {
1607                 exception_error("dismissSelectedArticles", e);
1608         }
1609 }
1610
1611 function getVisibleArticleIds() {
1612         var ids = [];
1613
1614         try {
1615
1616                 getLoadedArticleIds().each(function(id) {
1617                         var elem = $("RROW-" + id);
1618                         if (elem && Element.visible(elem))
1619                                 ids.push(id);
1620                         });
1621
1622         } catch (e) {
1623                 exception_error("getVisibleArticleIds", e);
1624         }
1625
1626         return ids;
1627 }
1628
1629 function cdmClicked(event, id) {
1630         try {
1631                 //var shift_key = event.shiftKey;
1632
1633                 if (!event.ctrlKey) {
1634
1635                         if (!getInitParam("cdm_expanded")) {
1636                                 return cdmExpandArticle(id);
1637                         } else {
1638
1639                                 var elem = $("RROW-" + getActiveArticleId());
1640
1641                                 if (elem) elem.removeClassName("active");
1642
1643                                 selectArticles("none");
1644                                 toggleSelected(id);
1645
1646                                 var elem = $("RROW-" + id);
1647                                 var article_is_unread = elem.hasClassName("Unread");
1648
1649                                 elem.removeClassName("Unread");
1650                                 elem.addClassName("active");
1651
1652                                 setActiveArticleId(id);
1653
1654                                 if (article_is_unread) {
1655                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1656                                 }
1657
1658                                 var query = "?op=rpc&method=catchupSelected" +
1659                                         "&cmode=0&ids=" + param_escape(id);
1660
1661                                 new Ajax.Request("backend.php", {
1662                                         parameters: query,
1663                                         onComplete: function(transport) {
1664                                                 handle_rpc_json(transport);
1665                                         } });
1666
1667                                 return !event.shiftKey;
1668                         }
1669
1670                 } else {
1671                         toggleSelected(id, true);
1672
1673                         var elem = $("RROW-" + id);
1674                         var article_is_unread = elem.hasClassName("Unread");
1675
1676                         if (article_is_unread) {
1677                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1678                         }
1679
1680                         toggleUnread(id, 0, false);
1681
1682                         openArticleInNewWindow(id);
1683                 }
1684
1685                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1686                 request_counters(unread_in_buffer == 0);
1687
1688         } catch (e) {
1689                 exception_error("cdmClicked");
1690         }
1691
1692         return false;
1693 }
1694
1695 function hlClicked(event, id) {
1696         try {
1697                 if (event.which == 2) {
1698                         view(id);
1699                         return true;
1700                 } else if (event.ctrlKey) {
1701                         toggleSelected(id, true);
1702                         toggleUnread(id, 0, false);
1703                         openArticleInNewWindow(id);
1704                         return false;
1705                 } else {
1706                         view(id);
1707                         return false;
1708                 }
1709
1710         } catch (e) {
1711                 exception_error("hlClicked");
1712         }
1713 }
1714
1715 function getFirstVisibleHeadlineId() {
1716         var rows = getVisibleArticleIds();
1717         return rows[0];
1718
1719 }
1720
1721 function getLastVisibleHeadlineId() {
1722         var rows = getVisibleArticleIds();
1723         return rows[rows.length-1];
1724 }
1725
1726 function openArticleInNewWindow(id) {
1727         toggleUnread(id, 0, false);
1728         window.open("backend.php?op=article&method=redirect&id=" + id);
1729 }
1730
1731 function isCdmMode() {
1732         return getInitParam("combined_display_mode");
1733 }
1734
1735 function markHeadline(id, marked) {
1736         if (marked == undefined) marked = true;
1737
1738         var row = $("RROW-" + id);
1739         if (row) {
1740                 var check = dijit.byId("RCHK-" + id);
1741
1742                 if (check) {
1743                         check.attr("checked", marked);
1744                 }
1745
1746                 if (marked)
1747                         row.addClassName("Selected");
1748                 else
1749                         row.removeClassName("Selected");
1750         }
1751 }
1752
1753 function getRelativePostIds(id, limit) {
1754
1755         var tmp = [];
1756
1757         try {
1758
1759                 if (!limit) limit = 6; //3
1760
1761                 var ids = getVisibleArticleIds();
1762
1763                 for (var i = 0; i < ids.length; i++) {
1764                         if (ids[i] == id) {
1765                                 for (var k = 1; k <= limit; k++) {
1766                                         //if (i > k-1) tmp.push(ids[i-k]);
1767                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1768                                 }
1769                                 break;
1770                         }
1771                 }
1772
1773         } catch (e) {
1774                 exception_error("getRelativePostIds", e);
1775         }
1776
1777         return tmp;
1778 }
1779
1780 function correctHeadlinesOffset(id) {
1781
1782         try {
1783
1784                 var container = $("headlines-frame");
1785                 var row = $("RROW-" + id);
1786
1787                 if (!container || !row) return;
1788
1789                 var viewport = container.offsetHeight;
1790
1791                 var rel_offset_top = row.offsetTop - container.scrollTop;
1792                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1793
1794                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1795                 //console.log("Vport: " + viewport);
1796
1797                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1798                         container.scrollTop = row.offsetTop;
1799                 } else if (rel_offset_bottom > viewport) {
1800
1801                         /* doesn't properly work with Opera in some cases because
1802                                 Opera fucks up element scrolling */
1803
1804                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1805                 }
1806
1807         } catch (e) {
1808                 exception_error("correctHeadlinesOffset", e);
1809         }
1810
1811 }
1812
1813 function headlineActionsChange(elem) {
1814         try {
1815                 eval(elem.value);
1816                 elem.attr('value', 'false');
1817         } catch (e) {
1818                 exception_error("headlineActionsChange", e);
1819         }
1820 }
1821
1822 function closeArticlePanel() {
1823
1824         if (dijit.byId("content-insert"))
1825                 dijit.byId("headlines-wrap-inner").removeChild(
1826                         dijit.byId("content-insert"));
1827 }
1828
1829 function initHeadlinesMenu() {
1830         try {
1831                 if (dijit.byId("headlinesMenu"))
1832                         dijit.byId("headlinesMenu").destroyRecursive();
1833
1834                 var ids = [];
1835
1836                 if (!isCdmMode()) {
1837                         nodes = $$("#headlines-frame > div[id*=RROW]");
1838                 } else {
1839                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1840                 }
1841
1842                 nodes.each(function(node) {
1843                         ids.push(node.id);
1844                 });
1845
1846                 var menu = new dijit.Menu({
1847                         id: "headlinesMenu",
1848                         targetNodeIds: ids,
1849                 });
1850
1851                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1852                         var callerNode = event.target, match = null, tries = 0;
1853
1854                         while (match == null && callerNode && tries <= 3) {
1855                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1856                                 callerNode = callerNode.parentNode;
1857                                 ++tries;
1858                         }
1859
1860                         if (match) this.callerRowId = parseInt(match[1]);
1861
1862                 });
1863
1864 /*              if (!isCdmMode())
1865                         menu.addChild(new dijit.MenuItem({
1866                                 label: __("View article"),
1867                                 onClick: function(event) {
1868                                         view(this.getParent().callerRowId);
1869                                 }})); */
1870
1871                 menu.addChild(new dijit.MenuItem({
1872                         label: __("Open original article"),
1873                         onClick: function(event) {
1874                                 openArticleInNewWindow(this.getParent().callerRowId);
1875                         }}));
1876
1877                 menu.addChild(new dijit.MenuItem({
1878                         label: __("Display article URL"),
1879                         onClick: function(event) {
1880                                 displayArticleUrl(this.getParent().callerRowId);
1881                         }}));
1882
1883                 menu.addChild(new dijit.MenuSeparator());
1884
1885                 menu.addChild(new dijit.MenuItem({
1886                         label: __("Toggle unread"),
1887                         onClick: function(event) {
1888                                 var ids = getSelectedArticleIds2();
1889                                 // cast to string
1890                                 var id = this.getParent().callerRowId + "";
1891                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1892
1893                                 selectionToggleUnread(undefined, false, true, ids);
1894                                 }}));
1895
1896                 menu.addChild(new dijit.MenuItem({
1897                         label: __("Toggle marked"),
1898                         onClick: function(event) {
1899                                 var ids = getSelectedArticleIds2();
1900                                 // cast to string
1901                                 var id = this.getParent().callerRowId + "";
1902                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1903
1904                                 selectionToggleMarked(undefined, false, true, ids);
1905                                 }}));
1906
1907                 menu.addChild(new dijit.MenuItem({
1908                         label: __("Toggle published"),
1909                         onClick: function(event) {
1910                                 var ids = getSelectedArticleIds2();
1911                                 // cast to string
1912                                 var id = this.getParent().callerRowId + "";
1913                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1914
1915                                 selectionTogglePublished(undefined, false, true, ids);
1916                                 }}));
1917
1918                 menu.addChild(new dijit.MenuSeparator());
1919
1920                 menu.addChild(new dijit.MenuItem({
1921                         label: __("Mark above as read"),
1922                         onClick: function(event) {
1923                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1924                                 }}));
1925
1926                 menu.addChild(new dijit.MenuItem({
1927                         label: __("Mark below as read"),
1928                         onClick: function(event) {
1929                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1930                                 }}));
1931
1932
1933                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1934
1935                 if (labels) {
1936
1937                         menu.addChild(new dijit.MenuSeparator());
1938
1939                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1940                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1941
1942                         labels.each(function(label) {
1943                                 var id = label.id[0];
1944                                 var bare_id = id.substr(id.indexOf(":")+1);
1945                                 var name = label.name[0];
1946
1947                                 bare_id = feed_to_label_id(bare_id);
1948
1949                                 labelAddMenu.addChild(new dijit.MenuItem({
1950                                         label: name,
1951                                         labelId: bare_id,
1952                                         onClick: function(event) {
1953                                                 var ids = getSelectedArticleIds2();
1954                                                 // cast to string
1955                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1956
1957                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1958
1959                                                 selectionAssignLabel(this.labelId, ids);
1960                                 }}));
1961
1962                                 labelDelMenu.addChild(new dijit.MenuItem({
1963                                         label: name,
1964                                         labelId: bare_id,
1965                                         onClick: function(event) {
1966                                                 var ids = getSelectedArticleIds2();
1967                                                 // cast to string
1968                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1969
1970                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1971
1972                                                 selectionRemoveLabel(this.labelId, ids);
1973                                 }}));
1974
1975                         });
1976
1977                         menu.addChild(new dijit.PopupMenuItem({
1978                                 label: __("Assign label"),
1979                                 popup: labelAddMenu,
1980                         }));
1981
1982                         menu.addChild(new dijit.PopupMenuItem({
1983                                 label: __("Remove label"),
1984                                 popup: labelDelMenu,
1985                         }));
1986
1987                 }
1988
1989                 menu.startup();
1990
1991         } catch (e) {
1992                 exception_error("initHeadlinesMenu", e);
1993         }
1994 }
1995
1996
1997 function player(elem) {
1998         var aid = elem.getAttribute("audio-id");
1999         var status = elem.getAttribute("status");
2000
2001         var audio = $(aid);
2002
2003         if (audio) {
2004                 if (status == 0) {
2005                         audio.play();
2006                         status = 1;
2007                         elem.innerHTML = __("Playing...");
2008                         elem.title = __("Click to pause");
2009                         elem.addClassName("playing");
2010                 } else {
2011                         audio.pause();
2012                         status = 0;
2013                         elem.innerHTML = __("Play");
2014                         elem.title = __("Click to play");
2015                         elem.removeClassName("playing");
2016                 }
2017
2018                 elem.setAttribute("status", status);
2019         } else {
2020                 alert("Your browser doesn't seem to support HTML5 audio.");
2021         }
2022 }
2023
2024 function cache_set(id, obj) {
2025         //console.log("cache_set: " + id);
2026         if (has_storage)
2027                 try {
2028                         sessionStorage[id] = obj;
2029                 } catch (e) {
2030                         sessionStorage.clear();
2031                 }
2032 }
2033
2034 function cache_get(id) {
2035         if (has_storage)
2036                 return sessionStorage[id];
2037 }
2038
2039 function cache_clear() {
2040         if (has_storage)
2041                 sessionStorage.clear();
2042 }
2043
2044 function cache_delete(id) {
2045         if (has_storage)
2046                 sessionStorage.removeItem(id);
2047 }
2048
2049 function cancelSearch() {
2050         try {
2051                 _search_query = "";
2052                 viewCurrentFeed();
2053         } catch (e) {
2054                 exception_error("cancelSearch", e);
2055         }
2056 }
2057
2058 function setSelectionScore() {
2059         try {
2060                 var ids = getSelectedArticleIds2();
2061
2062                 if (ids.length > 0) {
2063                         console.log(ids);
2064
2065                         var score = prompt(__("Please enter new score for selected articles:"), score);
2066
2067                         if (score != undefined) {
2068                                 var query = "op=rpc&method=setScore&id=" + param_escape(ids.toString()) +
2069                                         "&score=" + param_escape(score);
2070
2071                                 new Ajax.Request("backend.php", {
2072                                         parameters: query,
2073                                         onComplete: function(transport) {
2074                                                 var reply = JSON.parse(transport.responseText);
2075                                                 if (reply) {
2076                                                         console.log(ids);
2077
2078                                                         ids.each(function(id) {
2079                                                                 var row = $("RROW-" + id);
2080
2081                                                                 if (row) {
2082                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2083
2084                                                                         if (pic) {
2085                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2086                                                                                         reply["score_pic"]);
2087                                                                                 pic.setAttribute("score", score);
2088                                                                         }
2089                                                                 }
2090                                                         });
2091                                                 }
2092                                         } });
2093                         }
2094
2095                 } else {
2096                         alert(__("No articles are selected."));
2097                 }
2098         } catch (e) {
2099                 exception_error("setSelectionScore", e);
2100         }
2101 }
2102
2103 function changeScore(id, pic) {
2104         try {
2105                 var score = pic.getAttribute("score");
2106
2107                 var new_score = prompt(__("Please enter new score for this article:"), score);
2108
2109                 if (new_score != undefined) {
2110
2111                         var query = "op=rpc&method=setScore&id=" + param_escape(id) +
2112                                 "&score=" + param_escape(new_score);
2113
2114                         new Ajax.Request("backend.php", {
2115                                 parameters: query,
2116                                 onComplete: function(transport) {
2117                                         var reply = JSON.parse(transport.responseText);
2118
2119                                         if (reply) {
2120                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2121                                                 pic.setAttribute("score", new_score);
2122                                         }
2123                                 } });
2124                 }
2125         } catch (e) {
2126                 exception_error("changeScore", e);
2127         }
2128 }
2129
2130 function displayArticleUrl(id) {
2131         try {
2132                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2133
2134                         new Ajax.Request("backend.php", {
2135                                 parameters: query,
2136                                 onComplete: function(transport) {
2137                                         var reply = JSON.parse(transport.responseText);
2138
2139                                         if (reply && reply.link) {
2140                                                 prompt(__("Article URL:"), reply.link);
2141                                         }
2142                                 } });
2143         } catch (e) {
2144                 exception_error("changeScore", e);
2145         }
2146 }
2147
2148 function openSelectedAttachment(elem) {
2149         try {
2150                 var url = elem[elem.selectedIndex].value;
2151
2152                 if (url) {
2153                         window.open(url);
2154                         elem.selectedIndex = 0;
2155                 }
2156
2157         } catch (e) {
2158                 exception_error("openSelectedAttachment", e);
2159         }
2160 }