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
 247                 selectArticles("none");
 248
 249                 var crow = $("RROW-" + id);
 250
 251                 if (!crow) return;
 252
 253                 var article_is_unread = crow.hasClassName("Unread");
 254
 255                 crow.removeClassName("Unread");
 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 crow = $("RROW-" + id);
 341
 342                 if (!crow) return;
 343
 344                 console.log("loading article: " + id);
 345
 346                 var cached_article = cache_get("article:" + id);
 347
 348                 console.log("cache check result: " + (cached_article != false));
 349
 350                 var query = "?op=article&method=view&id=" + param_escape(id);
 351
 352                 var neighbor_ids = getRelativePostIds(id);
 353
 354                 /* only request uncached articles */
 355
 356                 var cids_to_request = [];
 357
 358                 for (var i = 0; i < neighbor_ids.length; i++) {
 359                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 360                                 if (!cache_get("article:" + neighbor_ids[i])) {
 361                                         cids_to_request.push(neighbor_ids[i]);
 362                                         cids_requested.push(neighbor_ids[i]);
 363                                 }
 364                 }
 365
 366                 console.log("additional ids: " + cids_to_request.toString());
 367
 368                 query = query + "&cids=" + cids_to_request.toString();
 369
 370                 var article_is_unread = crow.hasClassName("Unread");
 371
 372                 setActiveArticleId(id);
 373                 showArticleInHeadlines(id);
 374
 375                 if (cached_article && article_is_unread) {
 376
 377                         query = query + "&mode=prefetch";
 378
 379                         render_article(cached_article);
 380
 381                 } else if (cached_article) {
 382
 383                         query = query + "&mode=prefetch_old";
 384                         render_article(cached_article);
 385
 386                         // if we don't need to request any relative ids, we might as well skip
 387                         // the server roundtrip altogether
 388                         if (cids_to_request.length == 0) {
 389
 390 /*                              try {
 391                                         if (!_infscroll_disable &&
 392                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 393
 394                                                         loadMoreHeadlines();
 395                                         }
 396                                 } catch (e) {
 397                                         console.warn(e);
 398                                 } */
 399
 400                                 //headlines_scroll_handler($("headlines-frame"));
 401
 402                                 return;
 403                         }
 404                 }
 405
 406                 last_requested_article = id;
 407
 408                 console.log(query);
 409
 410                 if (article_is_unread) {
 411                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 412                 }
 413
 414                 new Ajax.Request("backend.php", {
 415                         parameters: query,
 416                         onComplete: function(transport) {
 417                                 article_callback2(transport, id);
 418                         } });
 419
 420                 return false;
 421
 422         } catch (e) {
 423                 exception_error("view", e);
 424         }
 425 }
 426
 427 function toggleMark(id, client_only) {
 428         try {
 429                 var query = "?op=rpc&id=" + id + "&method=mark";
 430
 431                 var img = $("FMPIC-" + id);
 432
 433                 if (!img) return;
 434
 435                 if (img.src.match("mark_unset")) {
 436                         img.src = img.src.replace("mark_unset", "mark_set");
 437                         img.alt = __("Unstar article");
 438                         query = query + "&mark=1";
 439
 440                 } else {
 441                         img.src = img.src.replace("mark_set", "mark_unset");
 442                         img.alt = __("Star article");
 443                         query = query + "&mark=0";
 444                 }
 445
 446                 if (!client_only) {
 447                         new Ajax.Request("backend.php", {
 448                                 parameters: query,
 449                                 onComplete: function(transport) {
 450                                         handle_rpc_json(transport);
 451                                 } });
 452                 }
 453
 454         } catch (e) {
 455                 exception_error("toggleMark", e);
 456         }
 457 }
 458
 459 function togglePub(id, client_only, no_effects, note) {
 460         try {
 461                 var query = "?op=rpc&id=" + id + "&method=publ";
 462
 463                 if (note != undefined) {
 464                         query = query + "&note=" + param_escape(note);
 465                 } else {
 466                         query = query + "&note=undefined";
 467                 }
 468
 469                 var img = $("FPPIC-" + id);
 470
 471                 if (!img) return;
 472
 473                 if (img.src.match("pub_unset") || note != undefined) {
 474                         img.src = img.src.replace("pub_unset", "pub_set");
 475                         img.alt = __("Unpublish article");
 476                         query = query + "&pub=1";
 477
 478                 } else {
 479                         img.src = img.src.replace("pub_set", "pub_unset");
 480                         img.alt = __("Publish article");
 481
 482                         query = query + "&pub=0";
 483                 }
 484
 485                 if (!client_only) {
 486                         new Ajax.Request("backend.php", {
 487                                 parameters: query,
 488                                 onComplete: function(transport) {
 489                                         handle_rpc_json(transport);
 490                                 } });
 491                 }
 492
 493         } catch (e) {
 494                 exception_error("togglePub", e);
 495         }
 496 }
 497
 498 function moveToPost(mode, noscroll) {
 499
 500         try {
 501
 502                 var rows = getVisibleArticleIds();
 503
 504                 var prev_id = false;
 505                 var next_id = false;
 506
 507                 if (!$('RROW-' + getActiveArticleId())) {
 508                         setActiveArticleId(0);
 509                 }
 510
 511                 if (!getActiveArticleId()) {
 512                         next_id = rows[0];
 513                         prev_id = rows[rows.length-1]
 514                 } else {
 515                         for (var i = 0; i < rows.length; i++) {
 516                                 if (rows[i] == getActiveArticleId()) {
 517
 518                                         // Account for adjacent identical article ids.
 519                                         if (i > 0) prev_id = rows[i-1];
 520
 521                                         for (var j = i+1; j < rows.length; j++) {
 522                                                 if (rows[j] != getActiveArticleId()) {
 523                                                         next_id = rows[j];
 524                                                         break;
 525                                                 }
 526                                         }
 527                                         break;
 528                                 }
 529                         }
 530                 }
 531
 532                 if (mode == "next") {
 533                         if (next_id || getActiveArticleId()) {
 534                                 if (isCdmMode()) {
 535
 536                                         var article = $("RROW-" + getActiveArticleId());
 537                                         var ctr = $("headlines-frame");
 538
 539                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 540                                                         ctr.scrollTop + ctr.offsetHeight) {
 541
 542                                                 scrollArticle(ctr.offsetHeight/4);
 543
 544                                         } else if (next_id) {
 545                                                 cdmExpandArticle(next_id);
 546                                                 cdmScrollToArticleId(next_id, true);
 547                                         }
 548
 549                                 } else if (next_id) {
 550                                         correctHeadlinesOffset(next_id);
 551                                         view(next_id, getActiveFeedId());
 552                                 }
 553                         }
 554                 }
 555
 556                 if (mode == "prev") {
 557                         if (prev_id || getActiveArticleId()) {
 558                                 if (isCdmMode()) {
 559
 560                                         var article = $("RROW-" + getActiveArticleId());
 561                                         var prev_article = $("RROW-" + prev_id);
 562                                         var ctr = $("headlines-frame");
 563
 564                                         if (!getInitParam("cdm_expanded")) {
 565
 566                                                 if (!noscroll && article.offsetTop < ctr.scrollTop) {
 567                                                         scrollArticle(-ctr.offsetHeight/4);
 568                                                 } else {
 569                                                         cdmExpandArticle(prev_id);
 570                                                         cdmScrollToArticleId(prev_id, true);
 571                                                 }
 572                                         } else {
 573
 574                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 575                                                         scrollArticle(-ctr.offsetHeight/3);
 576                                                 } else if (!noscroll && prev_article &&
 577                                                                 prev_article.offsetTop < ctr.scrollTop) {
 578                                                         cdmExpandArticle(prev_id);
 579                                                         scrollArticle(-ctr.offsetHeight/4);
 580                                                 } else if (prev_id) {
 581                                                         cdmExpandArticle(prev_id);
 582                                                         cdmScrollToArticleId(prev_id, noscroll);
 583                                                 }
 584                                         }
 585
 586                                 } else if (prev_id) {
 587                                         correctHeadlinesOffset(prev_id);
 588                                         view(prev_id, getActiveFeedId());
 589                                 }
 590                         }
 591                 }
 592
 593         } catch (e) {
 594                 exception_error("moveToPost", e);
 595         }
 596 }
 597
 598 function toggleSelected(id, force_on) {
 599         try {
 600
 601                 var cb = dijit.byId("RCHK-" + id);
 602                 var row = $("RROW-" + id);
 603
 604                 if (row) {
 605                         if (row.hasClassName('Selected') && !force_on) {
 606                                 row.removeClassName('Selected');
 607                                 if (cb) cb.attr("checked", false);
 608                         } else {
 609                                 row.addClassName('Selected');
 610                                 if (cb) cb.attr("checked", true);
 611                         }
 612                 }
 613         } catch (e) {
 614                 exception_error("toggleSelected", e);
 615         }
 616 }
 617
 618 function toggleUnread_afh(effect) {
 619         try {
 620
 621                 var elem = effect.element;
 622                 elem.style.backgroundColor = "";
 623
 624         } catch (e) {
 625                 exception_error("toggleUnread_afh", e);
 626         }
 627 }
 628
 629 function toggleUnread(id, cmode, effect) {
 630         try {
 631
 632                 var row = $("RROW-" + id);
 633                 if (row) {
 634                         if (cmode == undefined || cmode == 2) {
 635                                 if (row.hasClassName("Unread")) {
 636                                         row.removeClassName("Unread");
 637
 638                                         if (effect) {
 639                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 640                                                         afterFinish: toggleUnread_afh,
 641                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 642                                         }
 643
 644                                 } else {
 645                                         row.addClassName("Unread");
 646                                 }
 647
 648                         } else if (cmode == 0) {
 649
 650                                 row.removeClassName("Unread");
 651
 652                                 if (effect) {
 653                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 654                                                 afterFinish: toggleUnread_afh,
 655                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 656                                 }
 657
 658                         } else if (cmode == 1) {
 659                                 row.addClassName("Unread");
 660                         }
 661
 662                         if (cmode == undefined) cmode = 2;
 663
 664                         var query = "?op=rpc&method=catchupSelected" +
 665                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 666
 667 //                      notify_progress("Loading, please wait...");
 668
 669                         new Ajax.Request("backend.php", {
 670                                 parameters: query,
 671                                 onComplete: function(transport) {
 672                                         handle_rpc_json(transport);
 673                                 } });
 674
 675                 }
 676
 677         } catch (e) {
 678                 exception_error("toggleUnread", e);
 679         }
 680 }
 681
 682 function selectionRemoveLabel(id, ids) {
 683         try {
 684
 685                 if (!ids) ids = getSelectedArticleIds2();
 686
 687                 if (ids.length == 0) {
 688                         alert(__("No articles are selected."));
 689                         return;
 690                 }
 691
 692                 var query = "?op=rpc&method=removeFromLabel&ids=" +
 693                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 694
 695                 console.log(query);
 696
 697                 new Ajax.Request("backend.php", {
 698                         parameters: query,
 699                         onComplete: function(transport) {
 700                                 handle_rpc_json(transport);
 701                                 show_labels_in_headlines(transport);
 702                         } });
 703
 704         } catch (e) {
 705                 exception_error("selectionAssignLabel", e);
 706
 707         }
 708 }
 709
 710 function selectionAssignLabel(id, ids) {
 711         try {
 712
 713                 if (!ids) ids = getSelectedArticleIds2();
 714
 715                 if (ids.length == 0) {
 716                         alert(__("No articles are selected."));
 717                         return;
 718                 }
 719
 720                 var query = "?op=rpc&method=assignToLabel&ids=" +
 721                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 722
 723                 console.log(query);
 724
 725                 new Ajax.Request("backend.php", {
 726                         parameters: query,
 727                         onComplete: function(transport) {
 728                                 handle_rpc_json(transport);
 729                                 show_labels_in_headlines(transport);
 730                         } });
 731
 732         } catch (e) {
 733                 exception_error("selectionAssignLabel", e);
 734
 735         }
 736 }
 737
 738 function selectionToggleUnread(set_state, callback, no_error) {
 739         try {
 740                 var rows = getSelectedArticleIds2();
 741
 742                 if (rows.length == 0 && !no_error) {
 743                         alert(__("No articles are selected."));
 744                         return;
 745                 }
 746
 747                 for (var i = 0; i < rows.length; i++) {
 748                         var row = $("RROW-" + rows[i]);
 749                         if (row) {
 750                                 if (set_state == undefined) {
 751                                         if (row.hasClassName("Unread")) {
 752                                                 row.removeClassName("Unread");
 753                                         } else {
 754                                                 row.addClassName("Unread");
 755                                         }
 756                                 }
 757
 758                                 if (set_state == false) {
 759                                         row.removeClassName("Unread");
 760                                 }
 761
 762                                 if (set_state == true) {
 763                                         row.addClassName("Unread");
 764                                 }
 765                         }
 766                 }
 767
 768                 if (rows.length > 0) {
 769
 770                         var cmode = "";
 771
 772                         if (set_state == undefined) {
 773                                 cmode = "2";
 774                         } else if (set_state == true) {
 775                                 cmode = "1";
 776                         } else if (set_state == false) {
 777                                 cmode = "0";
 778                         }
 779
 780                         var query = "?op=rpc&method=catchupSelected" +
 781                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 782
 783                         notify_progress("Loading, please wait...");
 784
 785                         new Ajax.Request("backend.php", {
 786                                 parameters: query,
 787                                 onComplete: function(transport) {
 788                                         handle_rpc_json(transport);
 789                                         if (callback) callback(transport);
 790                                 } });
 791
 792                 }
 793
 794         } catch (e) {
 795                 exception_error("selectionToggleUnread", e);
 796         }
 797 }
 798
 799 function selectionToggleMarked() {
 800         try {
 801
 802                 var rows = getSelectedArticleIds2();
 803
 804                 if (rows.length == 0) {
 805                         alert(__("No articles are selected."));
 806                         return;
 807                 }
 808
 809                 for (var i = 0; i < rows.length; i++) {
 810                         toggleMark(rows[i], true, true);
 811                 }
 812
 813                 if (rows.length > 0) {
 814
 815                         var query = "?op=rpc&method=markSelected&ids=" +
 816                                 param_escape(rows.toString()) + "&cmode=2";
 817
 818                         new Ajax.Request("backend.php", {
 819                                 parameters: query,
 820                                 onComplete: function(transport) {
 821                                         handle_rpc_json(transport);
 822                                 } });
 823
 824                 }
 825
 826         } catch (e) {
 827                 exception_error("selectionToggleMarked", e);
 828         }
 829 }
 830
 831 function selectionTogglePublished() {
 832         try {
 833
 834                 var rows = getSelectedArticleIds2();
 835
 836                 if (rows.length == 0) {
 837                         alert(__("No articles are selected."));
 838                         return;
 839                 }
 840
 841                 for (var i = 0; i < rows.length; i++) {
 842                         togglePub(rows[i], true, true);
 843                 }
 844
 845                 if (rows.length > 0) {
 846
 847                         var query = "?op=rpc&method=publishSelected&ids=" +
 848                                 param_escape(rows.toString()) + "&cmode=2";
 849
 850                         new Ajax.Request("backend.php", {
 851                                 parameters: query,
 852                                 onComplete: function(transport) {
 853                                         handle_rpc_json(transport);
 854                                 } });
 855
 856                 }
 857
 858         } catch (e) {
 859                 exception_error("selectionToggleMarked", e);
 860         }
 861 }
 862
 863 function getSelectedArticleIds2() {
 864
 865         var rv = [];
 866
 867         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 868                 function(child) {
 869                         rv.push(child.id.replace("RROW-", ""));
 870                 });
 871
 872         return rv;
 873 }
 874
 875 function getLoadedArticleIds() {
 876         var rv = [];
 877
 878         var children = $$("#headlines-frame > div[id*=RROW-]");
 879
 880         children.each(function(child) {
 881                         rv.push(child.id.replace("RROW-", ""));
 882                 });
 883
 884         return rv;
 885
 886 }
 887
 888 // mode = all,none,unread,invert,marked,published
 889 function selectArticles(mode) {
 890         try {
 891
 892                 var children = $$("#headlines-frame > div[id*=RROW]");
 893
 894                 children.each(function(child) {
 895                         var id = child.id.replace("RROW-", "");
 896                         var cb = dijit.byId("RCHK-" + id);
 897
 898                         if (mode == "all") {
 899                                 child.addClassName("Selected");
 900                                 if (cb) cb.attr("checked", true);
 901                         } else if (mode == "unread") {
 902                                 if (child.hasClassName("Unread")) {
 903                                         child.addClassName("Selected");
 904                                         if (cb) cb.attr("checked", true);
 905                                 } else {
 906                                         child.removeClassName("Selected");
 907                                         if (cb) cb.attr("checked", false);
 908                                 }
 909                         } else if (mode == "marked") {
 910                                 var img = $("FMPIC-" + child.id.replace("RROW-", ""));
 911
 912                                 if (img && img.src.match("mark_set")) {
 913                                         child.addClassName("Selected");
 914                                         if (cb) cb.attr("checked", true);
 915                                 } else {
 916                                         child.removeClassName("Selected");
 917                                         if (cb) cb.attr("checked", false);
 918                                 }
 919                         } else if (mode == "published") {
 920                                 var img = $("FPPIC-" + child.id.replace("RROW-", ""));
 921
 922                                 if (img && img.src.match("pub_set")) {
 923                                         child.addClassName("Selected");
 924                                         if (cb) cb.attr("checked", true);
 925                                 } else {
 926                                         child.removeClassName("Selected");
 927                                         if (cb) cb.attr("checked", false);
 928                                 }
 929
 930                         } else if (mode == "invert") {
 931                                 if (child.hasClassName("Selected")) {
 932                                         child.removeClassName("Selected");
 933                                         if (cb) cb.attr("checked", false);
 934                                 } else {
 935                                         child.addClassName("Selected");
 936                                         if (cb) cb.attr("checked", true);
 937                                 }
 938
 939                         } else {
 940                                 child.removeClassName("Selected");
 941                                 if (cb) cb.attr("checked", false);
 942                         }
 943                 });
 944
 945         } catch (e) {
 946                 exception_error("selectArticles", e);
 947         }
 948 }
 949
 950 function catchupPage() {
 951
 952         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 953
 954         var str = __("Mark all visible articles in %s as read?");
 955
 956         str = str.replace("%s", fn);
 957
 958         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 959                 return;
 960         }
 961
 962         selectArticles('all');
 963         selectionToggleUnread(false, 'viewCurrentFeed()', true);
 964         selectArticles('none');
 965 }
 966
 967 function deleteSelection() {
 968
 969         try {
 970
 971                 var rows = getSelectedArticleIds2();
 972
 973                 if (rows.length == 0) {
 974                         alert(__("No articles are selected."));
 975                         return;
 976                 }
 977
 978                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 979                 var str;
 980
 981                 if (getActiveFeedId() != 0) {
 982                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
 983                 } else {
 984                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
 985                 }
 986
 987                 str = str.replace("%d", rows.length);
 988                 str = str.replace("%s", fn);
 989
 990                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 991                         return;
 992                 }
 993
 994                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
 995
 996                 console.log(query);
 997
 998                 new Ajax.Request("backend.php", {
 999                         parameters: query,
1000                         onComplete: function(transport) {
1001                                         handle_rpc_json(transport);
1002                                         viewCurrentFeed();
1003                                 } });
1004
1005         } catch (e) {
1006                 exception_error("deleteSelection", e);
1007         }
1008 }
1009
1010 function archiveSelection() {
1011
1012         try {
1013
1014                 var rows = getSelectedArticleIds2();
1015
1016                 if (rows.length == 0) {
1017                         alert(__("No articles are selected."));
1018                         return;
1019                 }
1020
1021                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1022                 var str;
1023                 var op;
1024
1025                 if (getActiveFeedId() != 0) {
1026                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1027                         op = "archive";
1028                 } else {
1029                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1030                         op = "unarchive";
1031                 }
1032
1033                 str = str.replace("%d", rows.length);
1034                 str = str.replace("%s", fn);
1035
1036                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1037                         return;
1038                 }
1039
1040                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1041
1042                 console.log(query);
1043
1044                 for (var i = 0; i < rows.length; i++) {
1045                         cache_delete("article:" + rows[i]);
1046                 }
1047
1048                 new Ajax.Request("backend.php", {
1049                         parameters: query,
1050                         onComplete: function(transport) {
1051                                         handle_rpc_json(transport);
1052                                         viewCurrentFeed();
1053                                 } });
1054
1055         } catch (e) {
1056                 exception_error("archiveSelection", e);
1057         }
1058 }
1059
1060 function catchupSelection() {
1061
1062         try {
1063
1064                 var rows = getSelectedArticleIds2();
1065
1066                 if (rows.length == 0) {
1067                         alert(__("No articles are selected."));
1068                         return;
1069                 }
1070
1071                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1072
1073                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1074
1075                 str = str.replace("%d", rows.length);
1076                 str = str.replace("%s", fn);
1077
1078                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1079                         return;
1080                 }
1081
1082                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1083
1084         } catch (e) {
1085                 exception_error("catchupSelection", e);
1086         }
1087 }
1088
1089 function editArticleTags(id) {
1090                 var query = "backend.php?op=dlg&method=editArticleTags&param=" + param_escape(id);
1091
1092                 if (dijit.byId("editTagsDlg"))
1093                         dijit.byId("editTagsDlg").destroyRecursive();
1094
1095                 dialog = new dijit.Dialog({
1096                         id: "editTagsDlg",
1097                         title: __("Edit article Tags"),
1098                         style: "width: 600px",
1099                         execute: function() {
1100                                 if (this.validate()) {
1101                                         var query = dojo.objectToQuery(this.attr('value'));
1102
1103                                         notify_progress("Saving article tags...", true);
1104
1105                                         new Ajax.Request("backend.php", {
1106                                         parameters: query,
1107                                         onComplete: function(transport) {
1108                                                 notify('');
1109                                                 dialog.hide();
1110
1111                                                 var data = JSON.parse(transport.responseText);
1112
1113                                                 if (data) {
1114                                                         var tags_str = article.tags;
1115                                                         var id = tags_str.id;
1116
1117                                                         var tags = $("ATSTR-" + id);
1118                                                         var tooltip = dijit.byId("ATSTRTIP-" + id);
1119
1120                                                         if (tags) tags.innerHTML = tags_str.content;
1121                                                         if (tooltip) tooltip.attr('label', tags_str.content_full);
1122
1123                                                         cache_delete("article:" + id);
1124                                                 }
1125
1126                                         }});
1127                                 }
1128                         },
1129                         href: query,
1130                 });
1131
1132                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1133                 dojo.disconnect(tmph);
1134
1135                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1136                            "backend.php?op=rpc&method=completeTags",
1137                            { tokens: ',', paramName: "search" });
1138                 });
1139
1140                 dialog.show();
1141
1142 }
1143
1144 function cdmScrollToArticleId(id, force) {
1145         try {
1146                 var ctr = $("headlines-frame");
1147                 var e = $("RROW-" + id);
1148
1149                 if (!e || !ctr) return;
1150
1151                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1152                                 e.offsetTop < ctr.scrollTop) {
1153                         ctr.scrollTop = e.offsetTop;
1154                 }
1155
1156         } catch (e) {
1157                 exception_error("cdmScrollToArticleId", e);
1158         }
1159 }
1160
1161 function setActiveArticleId(id) {
1162         _active_article_id = id;
1163 }
1164
1165 function getActiveArticleId() {
1166         return _active_article_id;
1167 }
1168
1169 function postMouseIn(e, id) {
1170         post_under_pointer = id;
1171
1172         if (_post_preview_timeout) window.clearTimeout(_post_preview_timeout);
1173
1174         if (!isCdmMode() || !getInitParam("cdm_expanded")) {
1175                 _post_preview_timeout = window.setTimeout(function() {
1176                         displaySmallArticlePreview(e, id);
1177                 }, 1000);
1178         }
1179 }
1180
1181 function displaySmallArticlePreview(e, id) {
1182         try {
1183                 var query = "?op=rpc&method=cdmarticlepreview&id=" + id;
1184
1185                 new Ajax.Request("backend.php", {
1186                         parameters: query,
1187                         onComplete: function(transport) {
1188                                 cexc = $("CEXC-" + id);
1189                                 preview = $("small_article_preview");
1190                                 row = $("RROW-" + id);
1191                                 ctr = $("headlines-frame");
1192
1193                                 if (id != getActiveArticleId() && (!isCdmMode() || (cexc && Element.visible(cexc))) && row && preview) {
1194                                         preview.innerHTML = transport.responseText;
1195                                         new Effect.Appear(preview, {duration:0.2});
1196
1197                                         preview.setStyle({
1198                                                 left: (e.clientX + 20) + 'px',
1199                                                 top: (row.offsetTop + row.offsetHeight*2 + 20 - ctr.scrollTop) + 'px' });
1200
1201                                 }
1202
1203                         } });
1204
1205
1206         } catch (e) {
1207                 exception_error("displaySmallArticlePreview", e);
1208         }
1209 }
1210
1211 function postMouseOut(id) {
1212         post_under_pointer = false;
1213
1214         if (_post_preview_timeout) window.clearTimeout(_post_preview_timeout);
1215
1216         if (Element.visible("small_article_preview"))
1217                 Element.hide("small_article_preview");
1218 }
1219
1220 function unpackVisibleHeadlines() {
1221         try {
1222
1223                 if (!isCdmMode()) return;
1224
1225                 $$("#headlines-frame > div[id*=RROW]").each(
1226                         function(child) {
1227                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1228                                         $("headlines-frame").offsetHeight) {
1229
1230                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1231
1232                                         if (cencw) {
1233                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1234                                                 cencw.setAttribute('id', '');
1235                                                 Element.show(cencw);
1236                                         }
1237                                 }
1238                         }
1239                 );
1240
1241
1242         } catch (e) {
1243                 exception_error("unpackVisibleHeadlines", e);
1244         }
1245 }
1246
1247 function headlines_scroll_handler(e) {
1248         try {
1249                 var hsp = $("headlines-spacer");
1250
1251                 unpackVisibleHeadlines();
1252
1253                 if (!_infscroll_disable) {
1254                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1255                                         (e.scrollHeight != 0 &&
1256                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1257
1258                                 if (hsp)
1259                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1260                                                 __("Loading, please wait...");
1261
1262                                 loadMoreHeadlines();
1263                                 return;
1264
1265                         }
1266                 } else {
1267                         if (hsp) hsp.innerHTML = "";
1268                 }
1269
1270                 if (getInitParam("cdm_auto_catchup") == 1) {
1271
1272                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1273                                 function(child) {
1274                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1275                                                         (child.offsetTop + child.offsetHeight/2)) {
1276
1277                                                 var id = child.id.replace("RROW-", "");
1278
1279                                                 if (catchup_id_batch.indexOf(id) == -1)
1280                                                         catchup_id_batch.push(id);
1281
1282                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1283                                         }
1284                                 });
1285
1286                         if (catchup_id_batch.length > 0) {
1287                                 window.clearTimeout(catchup_timeout_id);
1288
1289                                 if (!_infscroll_request_sent) {
1290                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1291                                                 500);
1292                                 }
1293                         }
1294                 }
1295
1296         } catch (e) {
1297                 console.warn("headlines_scroll_handler: " + e);
1298         }
1299 }
1300
1301 function catchupBatchedArticles() {
1302         try {
1303                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1304
1305                         // make a copy of the array
1306                         var batch = catchup_id_batch.slice();
1307                         var query = "?op=rpc&method=catchupSelected" +
1308                                 "&cmode=0&ids=" + param_escape(batch.toString());
1309
1310                         console.log(query);
1311
1312                         new Ajax.Request("backend.php", {
1313                                 parameters: query,
1314                                 onComplete: function(transport) {
1315                                         handle_rpc_json(transport);
1316
1317                                         batch.each(function(id) {
1318                                                 var elem = $("RROW-" + id);
1319                                                 if (elem) elem.removeClassName("Unread");
1320                                                 catchup_id_batch.remove(id);
1321                                         });
1322
1323                                 } });
1324                 }
1325
1326         } catch (e) {
1327                 exception_error("catchupBatchedArticles", e);
1328         }
1329 }
1330
1331 function catchupRelativeToArticle(below, id) {
1332
1333         try {
1334
1335                 if (!id) id = getActiveArticleId();
1336
1337                 if (!id) {
1338                         alert(__("No article is selected."));
1339                         return;
1340                 }
1341
1342                 var visible_ids = getVisibleArticleIds();
1343
1344                 var ids_to_mark = new Array();
1345
1346                 if (!below) {
1347                         for (var i = 0; i < visible_ids.length; i++) {
1348                                 if (visible_ids[i] != id) {
1349                                         var e = $("RROW-" + visible_ids[i]);
1350
1351                                         if (e && e.hasClassName("Unread")) {
1352                                                 ids_to_mark.push(visible_ids[i]);
1353                                         }
1354                                 } else {
1355                                         break;
1356                                 }
1357                         }
1358                 } else {
1359                         for (var i = visible_ids.length-1; i >= 0; i--) {
1360                                 if (visible_ids[i] != id) {
1361                                         var e = $("RROW-" + visible_ids[i]);
1362
1363                                         if (e && e.hasClassName("Unread")) {
1364                                                 ids_to_mark.push(visible_ids[i]);
1365                                         }
1366                                 } else {
1367                                         break;
1368                                 }
1369                         }
1370                 }
1371
1372                 if (ids_to_mark.length == 0) {
1373                         alert(__("No articles found to mark"));
1374                 } else {
1375                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1376
1377                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1378
1379                                 for (var i = 0; i < ids_to_mark.length; i++) {
1380                                         var e = $("RROW-" + ids_to_mark[i]);
1381                                         e.removeClassName("Unread");
1382                                 }
1383
1384                                 var query = "?op=rpc&method=catchupSelected" +
1385                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1386
1387                                 new Ajax.Request("backend.php", {
1388                                         parameters: query,
1389                                         onComplete: function(transport) {
1390                                                 handle_rpc_json(transport);
1391                                         } });
1392
1393                         }
1394                 }
1395
1396         } catch (e) {
1397                 exception_error("catchupRelativeToArticle", e);
1398         }
1399 }
1400
1401 function cdmCollapseArticle(event, id) {
1402         try {
1403                 var row = $("RROW-" + id);
1404                 var elem = $("CICD-" + id);
1405
1406                 if (elem && row) {
1407                         var collapse = $$("div#RROW-" + id +
1408                                 " span[class='collapseBtn']")[0];
1409
1410                         Element.hide(elem);
1411                         Element.show("CEXC-" + id);
1412                         Element.hide(collapse);
1413
1414                         markHeadline(id, false);
1415
1416                         if (id == getActiveArticleId()) {
1417                                 setActiveArticleId(0);
1418                         }
1419
1420                         if (event) Event.stop(event);
1421                 }
1422
1423         } catch (e) {
1424                 exception_error("cdmCollapseArticle", e);
1425         }
1426 }
1427
1428 function cdmExpandArticle(id) {
1429         try {
1430                 console.log("cdmExpandArticle " + id);
1431
1432                 if (!$("RROW-" + id)) return false;
1433
1434                 var elem = $("CICD-" + getActiveArticleId());
1435
1436                 if (id == getActiveArticleId() && Element.visible(elem))
1437                         return true;
1438
1439                 selectArticles("none");
1440
1441                 var old_offset = $("RROW-" + id).offsetTop;
1442
1443                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1444                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1445                                 " span[class='collapseBtn']")[0];
1446
1447                         Element.hide(elem);
1448                         Element.show("CEXC-" + getActiveArticleId());
1449                         Element.hide(collapse);
1450                         $("RROW-" + getActiveArticleId()).removeClassName("active");
1451                 }
1452
1453                 setActiveArticleId(id);
1454
1455                 elem = $("CICD-" + id);
1456
1457                 var collapse = $$("div#RROW-" + id +
1458                                 " span[class='collapseBtn']")[0];
1459
1460                 var cencw = $("CENCW-" + id);
1461
1462                 if (!Element.visible(elem)) {
1463                         if (cencw) {
1464                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1465                                 cencw.setAttribute('id', '');
1466                                 Element.show(cencw);
1467                         }
1468
1469                         Element.show(elem);
1470                         Element.hide("CEXC-" + id);
1471                         Element.show(collapse);
1472                         $("RROW-" + id).addClassName("active");
1473                 }
1474
1475                 var new_offset = $("RROW-" + id).offsetTop;
1476
1477                 if (old_offset > new_offset)
1478                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1479
1480                 toggleUnread(id, 0, true);
1481                 toggleSelected(id);
1482
1483         } catch (e) {
1484                 exception_error("cdmExpandArticle", e);
1485         }
1486
1487         return false;
1488 }
1489
1490 function fixHeadlinesOrder(ids) {
1491         try {
1492                 for (var i = 0; i < ids.length; i++) {
1493                         var e = $("RROW-" + ids[i]);
1494
1495                         if (e) {
1496                                 if (i % 2 == 0) {
1497                                         e.removeClassName("even");
1498                                         e.addClassName("odd");
1499                                 } else {
1500                                         e.removeClassName("odd");
1501                                         e.addClassName("even");
1502                                 }
1503                         }
1504                 }
1505         } catch (e) {
1506                 exception_error("fixHeadlinesOrder", e);
1507         }
1508 }
1509
1510 function getArticleUnderPointer() {
1511         return post_under_pointer;
1512 }
1513
1514 function scrollArticle(offset) {
1515         try {
1516                 if (!isCdmMode()) {
1517                         var ci = $("content-insert");
1518                         if (ci) {
1519                                 ci.scrollTop += offset;
1520                         }
1521                 } else {
1522                         var hi = $("headlines-frame");
1523                         if (hi) {
1524                                 hi.scrollTop += offset;
1525                         }
1526
1527                 }
1528         } catch (e) {
1529                 exception_error("scrollArticle", e);
1530         }
1531 }
1532
1533 function show_labels_in_headlines(transport) {
1534         try {
1535                 var data = JSON.parse(transport.responseText);
1536
1537                 if (data) {
1538                         data['info-for-headlines'].each(function(elem) {
1539                                 var ctr = $("HLLCTR-" + elem.id);
1540
1541                                 if (ctr) ctr.innerHTML = elem.labels;
1542                         });
1543                 }
1544         } catch (e) {
1545                 exception_error("show_labels_in_headlines", e);
1546         }
1547 }
1548
1549 function dismissArticle(id) {
1550         try {
1551                 var elem = $("RROW-" + id);
1552
1553                 toggleUnread(id, 0, true);
1554
1555                 new Effect.Fade(elem, {duration : 0.5});
1556
1557                 if (id == getActiveArticleId()) {
1558                         setActiveArticleId(0);
1559                 }
1560
1561         } catch (e) {
1562                 exception_error("dismissArticle", e);
1563         }
1564 }
1565
1566 function dismissSelectedArticles() {
1567         try {
1568
1569                 var ids = getVisibleArticleIds();
1570                 var tmp = [];
1571                 var sel = [];
1572
1573                 for (var i = 0; i < ids.length; i++) {
1574                         var elem = $("RROW-" + ids[i]);
1575
1576                         if (elem.className && elem.hasClassName("Selected") &&
1577                                         ids[i] != getActiveArticleId()) {
1578                                 new Effect.Fade(elem, {duration : 0.5});
1579                                 sel.push(ids[i]);
1580                         } else {
1581                                 tmp.push(ids[i]);
1582                         }
1583                 }
1584
1585                 if (sel.length > 0)
1586                         selectionToggleUnread(false);
1587
1588                 fixHeadlinesOrder(tmp);
1589
1590         } catch (e) {
1591                 exception_error("dismissSelectedArticles", e);
1592         }
1593 }
1594
1595 function dismissReadArticles() {
1596         try {
1597
1598                 var ids = getVisibleArticleIds();
1599                 var tmp = [];
1600
1601                 for (var i = 0; i < ids.length; i++) {
1602                         var elem = $("RROW-" + ids[i]);
1603
1604                         if (elem.className && !elem.hasClassName("Unread") &&
1605                                         !elem.hasClassName("Selected")) {
1606
1607                                 new Effect.Fade(elem, {duration : 0.5});
1608                         } else {
1609                                 tmp.push(ids[i]);
1610                         }
1611                 }
1612
1613                 fixHeadlinesOrder(tmp);
1614
1615         } catch (e) {
1616                 exception_error("dismissSelectedArticles", e);
1617         }
1618 }
1619
1620 function getVisibleArticleIds() {
1621         var ids = [];
1622
1623         try {
1624
1625                 getLoadedArticleIds().each(function(id) {
1626                         var elem = $("RROW-" + id);
1627                         if (elem && Element.visible(elem))
1628                                 ids.push(id);
1629                         });
1630
1631         } catch (e) {
1632                 exception_error("getVisibleArticleIds", e);
1633         }
1634
1635         return ids;
1636 }
1637
1638 function cdmClicked(event, id) {
1639         try {
1640                 //var shift_key = event.shiftKey;
1641
1642                 if (!event.ctrlKey) {
1643
1644                         if (!getInitParam("cdm_expanded")) {
1645                                 return cdmExpandArticle(id);
1646                         } else {
1647
1648                                 selectArticles("none");
1649                                 toggleSelected(id);
1650
1651                                 var elem = $("RROW-" + id);
1652                                 var article_is_unread = elem.hasClassName("Unread");
1653
1654                                 if (elem)
1655                                         elem.removeClassName("Unread");
1656
1657                                 setActiveArticleId(id);
1658
1659                                 if (article_is_unread) {
1660                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1661                                 }
1662
1663                                 var query = "?op=rpc&method=catchupSelected" +
1664                                         "&cmode=0&ids=" + param_escape(id);
1665
1666                                 new Ajax.Request("backend.php", {
1667                                         parameters: query,
1668                                         onComplete: function(transport) {
1669                                                 handle_rpc_json(transport);
1670                                         } });
1671
1672                                 return !event.shiftKey;
1673                         }
1674
1675                 } else {
1676                         toggleSelected(id, true);
1677
1678                         var elem = $("RROW-" + id);
1679                         var article_is_unread = elem.hasClassName("Unread");
1680
1681                         if (article_is_unread) {
1682                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1683                         }
1684
1685                         toggleUnread(id, 0, false);
1686
1687                         openArticleInNewWindow(id);
1688                 }
1689
1690                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1691                 request_counters(unread_in_buffer == 0);
1692
1693         } catch (e) {
1694                 exception_error("cdmClicked");
1695         }
1696
1697         return false;
1698 }
1699
1700 function hlClicked(event, id) {
1701         try {
1702                 if (event.which == 2) {
1703                         view(id);
1704                         return true;
1705                 } else if (event.ctrlKey) {
1706                         toggleSelected(id, true);
1707                         toggleUnread(id, 0, false);
1708                         openArticleInNewWindow(id);
1709                         return false;
1710                 } else {
1711                         view(id);
1712                         return false;
1713                 }
1714
1715         } catch (e) {
1716                 exception_error("hlClicked");
1717         }
1718 }
1719
1720 function getFirstVisibleHeadlineId() {
1721         var rows = getVisibleArticleIds();
1722         return rows[0];
1723
1724 }
1725
1726 function getLastVisibleHeadlineId() {
1727         var rows = getVisibleArticleIds();
1728         return rows[rows.length-1];
1729 }
1730
1731 function openArticleInNewWindow(id) {
1732         toggleUnread(id, 0, false);
1733         window.open("backend.php?op=article&method=redirect&id=" + id);
1734 }
1735
1736 function isCdmMode() {
1737         return getInitParam("combined_display_mode");
1738 }
1739
1740 function markHeadline(id, marked) {
1741         if (marked == undefined) marked = true;
1742
1743         var row = $("RROW-" + id);
1744         if (row) {
1745                 var check = dijit.byId("RCHK-" + id);
1746
1747                 if (check) {
1748                         check.attr("checked", marked);
1749                 }
1750
1751                 if (marked)
1752                         row.addClassName("Selected");
1753                 else
1754                         row.removeClassName("Selected");
1755         }
1756 }
1757
1758 function getRelativePostIds(id, limit) {
1759
1760         var tmp = [];
1761
1762         try {
1763
1764                 if (!limit) limit = 6; //3
1765
1766                 var ids = getVisibleArticleIds();
1767
1768                 for (var i = 0; i < ids.length; i++) {
1769                         if (ids[i] == id) {
1770                                 for (var k = 1; k <= limit; k++) {
1771                                         //if (i > k-1) tmp.push(ids[i-k]);
1772                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1773                                 }
1774                                 break;
1775                         }
1776                 }
1777
1778         } catch (e) {
1779                 exception_error("getRelativePostIds", e);
1780         }
1781
1782         return tmp;
1783 }
1784
1785 function correctHeadlinesOffset(id) {
1786
1787         try {
1788
1789                 var container = $("headlines-frame");
1790                 var row = $("RROW-" + id);
1791
1792                 if (!container || !row) return;
1793
1794                 var viewport = container.offsetHeight;
1795
1796                 var rel_offset_top = row.offsetTop - container.scrollTop;
1797                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1798
1799                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1800                 //console.log("Vport: " + viewport);
1801
1802                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1803                         container.scrollTop = row.offsetTop;
1804                 } else if (rel_offset_bottom > viewport) {
1805
1806                         /* doesn't properly work with Opera in some cases because
1807                                 Opera fucks up element scrolling */
1808
1809                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1810                 }
1811
1812         } catch (e) {
1813                 exception_error("correctHeadlinesOffset", e);
1814         }
1815
1816 }
1817
1818 function headlineActionsChange(elem) {
1819         try {
1820                 eval(elem.value);
1821                 elem.attr('value', 'false');
1822         } catch (e) {
1823                 exception_error("headlineActionsChange", e);
1824         }
1825 }
1826
1827 function closeArticlePanel() {
1828
1829         if (dijit.byId("content-insert"))
1830                 dijit.byId("headlines-wrap-inner").removeChild(
1831                         dijit.byId("content-insert"));
1832 }
1833
1834 function initHeadlinesMenu() {
1835         try {
1836                 if (dijit.byId("headlinesMenu"))
1837                         dijit.byId("headlinesMenu").destroyRecursive();
1838
1839                 var ids = [];
1840
1841                 if (!isCdmMode()) {
1842                         nodes = $$("#headlines-frame > div[id*=RROW]");
1843                 } else {
1844                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1845                 }
1846
1847                 nodes.each(function(node) {
1848                         ids.push(node.id);
1849                 });
1850
1851                 var menu = new dijit.Menu({
1852                         id: "headlinesMenu",
1853                         targetNodeIds: ids,
1854                 });
1855
1856                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1857                         var callerNode = event.target, match = null, tries = 0;
1858
1859                         while (match == null && callerNode && tries <= 3) {
1860                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1861                                 callerNode = callerNode.parentNode;
1862                                 ++tries;
1863                         }
1864
1865                         if (match) this.callerRowId = parseInt(match[1]);
1866
1867                 });
1868
1869 /*              if (!isCdmMode())
1870                         menu.addChild(new dijit.MenuItem({
1871                                 label: __("View article"),
1872                                 onClick: function(event) {
1873                                         view(this.getParent().callerRowId);
1874                                 }})); */
1875
1876                 menu.addChild(new dijit.MenuItem({
1877                         label: __("Open original article"),
1878                         onClick: function(event) {
1879                                 openArticleInNewWindow(this.getParent().callerRowId);
1880                         }}));
1881
1882                 menu.addChild(new dijit.MenuItem({
1883                         label: __("Display article URL"),
1884                         onClick: function(event) {
1885                                 displayArticleUrl(this.getParent().callerRowId);
1886                         }}));
1887
1888                 menu.addChild(new dijit.MenuSeparator());
1889
1890                 menu.addChild(new dijit.MenuItem({
1891                         label: __("Mark above as read"),
1892                         onClick: function(event) {
1893                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1894                                 }}));
1895
1896                 menu.addChild(new dijit.MenuItem({
1897                         label: __("Mark below as read"),
1898                         onClick: function(event) {
1899                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1900                                 }}));
1901
1902
1903                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1904
1905                 if (labels) {
1906
1907                         menu.addChild(new dijit.MenuSeparator());
1908
1909                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1910                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1911
1912                         labels.each(function(label) {
1913                                 var id = label.id[0];
1914                                 var bare_id = id.substr(id.indexOf(":")+1);
1915                                 var name = label.name[0];
1916
1917                                 bare_id = feed_to_label_id(bare_id);
1918
1919                                 labelAddMenu.addChild(new dijit.MenuItem({
1920                                         label: name,
1921                                         labelId: bare_id,
1922                                         onClick: function(event) {
1923                                                 var ids = getSelectedArticleIds2();
1924                                                 // cast to string
1925                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1926
1927                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1928
1929                                                 selectionAssignLabel(this.labelId, ids);
1930                                 }}));
1931
1932                                 labelDelMenu.addChild(new dijit.MenuItem({
1933                                         label: name,
1934                                         labelId: bare_id,
1935                                         onClick: function(event) {
1936                                                 var ids = getSelectedArticleIds2();
1937                                                 // cast to string
1938                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1939
1940                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1941
1942                                                 selectionRemoveLabel(this.labelId, ids);
1943                                 }}));
1944
1945                         });
1946
1947                         menu.addChild(new dijit.PopupMenuItem({
1948                                 label: __("Assign label"),
1949                                 popup: labelAddMenu,
1950                         }));
1951
1952                         menu.addChild(new dijit.PopupMenuItem({
1953                                 label: __("Remove label"),
1954                                 popup: labelDelMenu,
1955                         }));
1956
1957                 }
1958
1959                 menu.startup();
1960
1961         } catch (e) {
1962                 exception_error("initHeadlinesMenu", e);
1963         }
1964 }
1965
1966
1967 function player(elem) {
1968         var aid = elem.getAttribute("audio-id");
1969         var status = elem.getAttribute("status");
1970
1971         var audio = $(aid);
1972
1973         if (audio) {
1974                 if (status == 0) {
1975                         audio.play();
1976                         status = 1;
1977                         elem.innerHTML = __("Playing...");
1978                         elem.title = __("Click to pause");
1979                         elem.addClassName("playing");
1980                 } else {
1981                         audio.pause();
1982                         status = 0;
1983                         elem.innerHTML = __("Play");
1984                         elem.title = __("Click to play");
1985                         elem.removeClassName("playing");
1986                 }
1987
1988                 elem.setAttribute("status", status);
1989         } else {
1990                 alert("Your browser doesn't seem to support HTML5 audio.");
1991         }
1992 }
1993
1994 function cache_set(id, obj) {
1995         //console.log("cache_set: " + id);
1996         if (has_storage)
1997                 try {
1998                         sessionStorage[id] = obj;
1999                 } catch (e) {
2000                         sessionStorage.clear();
2001                 }
2002 }
2003
2004 function cache_get(id) {
2005         if (has_storage)
2006                 return sessionStorage[id];
2007 }
2008
2009 function cache_clear() {
2010         if (has_storage)
2011                 sessionStorage.clear();
2012 }
2013
2014 function cache_delete(id) {
2015         if (has_storage)
2016                 sessionStorage.removeItem(id);
2017 }
2018
2019 function cancelSearch() {
2020         try {
2021                 _search_query = "";
2022                 viewCurrentFeed();
2023         } catch (e) {
2024                 exception_error("cancelSearch", e);
2025         }
2026 }
2027
2028 function setSelectionScore() {
2029         try {
2030                 var ids = getSelectedArticleIds2();
2031
2032                 if (ids.length > 0) {
2033                         console.log(ids);
2034
2035                         var score = prompt(__("Please enter new score for selected articles:"), score);
2036
2037                         if (score != undefined) {
2038                                 var query = "op=rpc&method=setScore&id=" + param_escape(ids.toString()) +
2039                                         "&score=" + param_escape(score);
2040
2041                                 new Ajax.Request("backend.php", {
2042                                         parameters: query,
2043                                         onComplete: function(transport) {
2044                                                 var reply = JSON.parse(transport.responseText);
2045                                                 if (reply) {
2046                                                         console.log(ids);
2047
2048                                                         ids.each(function(id) {
2049                                                                 var row = $("RROW-" + id);
2050
2051                                                                 if (row) {
2052                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2053
2054                                                                         if (pic) {
2055                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2056                                                                                         reply["score_pic"]);
2057                                                                                 pic.setAttribute("score", score);
2058                                                                         }
2059                                                                 }
2060                                                         });
2061                                                 }
2062                                         } });
2063                         }
2064
2065                 } else {
2066                         alert(__("No articles are selected."));
2067                 }
2068         } catch (e) {
2069                 exception_error("setSelectionScore", e);
2070         }
2071 }
2072
2073 function changeScore(id, pic) {
2074         try {
2075                 var score = pic.getAttribute("score");
2076
2077                 var new_score = prompt(__("Please enter new score for this article:"), score);
2078
2079                 if (new_score != undefined) {
2080
2081                         var query = "op=rpc&method=setScore&id=" + param_escape(id) +
2082                                 "&score=" + param_escape(new_score);
2083
2084                         new Ajax.Request("backend.php", {
2085                                 parameters: query,
2086                                 onComplete: function(transport) {
2087                                         var reply = JSON.parse(transport.responseText);
2088
2089                                         if (reply) {
2090                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2091                                                 pic.setAttribute("score", new_score);
2092                                         }
2093                                 } });
2094                 }
2095         } catch (e) {
2096                 exception_error("changeScore", e);
2097         }
2098 }
2099
2100 function displayArticleUrl(id) {
2101         try {
2102                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2103
2104                         new Ajax.Request("backend.php", {
2105                                 parameters: query,
2106                                 onComplete: function(transport) {
2107                                         var reply = JSON.parse(transport.responseText);
2108
2109                                         if (reply && reply.link) {
2110                                                 prompt(__("Article URL:"), reply.link);
2111                                         }
2112                                 } });
2113         } catch (e) {
2114                 exception_error("changeScore", e);
2115         }
2116 }
2117