js/viewfeed.js

   1 var article_cache = new Array();
   2
   3 var _active_article_id = 0;
   4
   5 var vgroup_last_feed = false;
   6 var post_under_pointer = false;
   7
   8 var last_requested_article = false;
   9
  10 var catchup_id_batch = [];
  11 var catchup_timeout_id = false;
  12
  13 var cids_requested = [];
  14 var loaded_article_ids = [];
  15 var _last_headlines_update = 0;
  16
  17 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  18
  19 function headlines_callback2(transport, offset, background, infscroll_req) {
  20         try {
  21                 handle_rpc_json(transport);
  22
  23                 loading_set_progress(25);
  24
  25                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  26
  27                 var is_cat = false;
  28                 var feed_id = false;
  29
  30                 var reply = false;
  31
  32                 try {
  33                         reply = JSON.parse(transport.responseText);
  34                 } catch (e) {
  35                         console.error(e);
  36                 }
  37
  38                 if (reply) {
  39
  40                         is_cat = reply['headlines']['is_cat'];
  41                         feed_id = reply['headlines']['id'];
  42
  43                         if (background) {
  44                                 var content = reply['headlines']['content'];
  45
  46                                 if (getInitParam("cdm_auto_catchup") == 1) {
  47                                         content = content + "<div id='headlines-spacer'></div>";
  48                                 }
  49                                 return;
  50                         }
  51
  52                         if (feed_id != getActiveFeedId() || is_cat != activeFeedIsCat())
  53                                 return;
  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) < 30) {
  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                 _last_headlines_update = new Date().getTime();
 210
 211                 unpackVisibleHeadlines();
 212
 213                 notify("");
 214
 215         } catch (e) {
 216                 exception_error("headlines_callback2", e, transport);
 217         }
 218 }
 219
 220 function render_article(article) {
 221         try {
 222                 dijit.byId("headlines-wrap-inner").addChild(
 223                                 dijit.byId("content-insert"));
 224
 225                 var c = dijit.byId("content-insert");
 226
 227                 try {
 228                         c.domNode.scrollTop = 0;
 229                 } catch (e) { };
 230
 231                 c.attr('content', article);
 232
 233                 correctHeadlinesOffset(getActiveArticleId());
 234
 235                 try {
 236                         c.focus();
 237                 } catch (e) { };
 238
 239         } catch (e) {
 240                 exception_error("render_article", e);
 241         }
 242 }
 243
 244 function showArticleInHeadlines(id) {
 245
 246         try {
 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                 crow.addClassName("active");
 257
 258                 selectArticles('none');
 259
 260                 var view_mode = false;
 261
 262                 try {
 263                         view_mode = document.forms['main_toolbar_form'].view_mode;
 264                         view_mode = view_mode[view_mode.selectedIndex].value;
 265                 } catch (e) {
 266                         //
 267                 }
 268
 269                 markHeadline(id);
 270
 271                 if (article_is_unread)
 272                         _force_scheduled_update = true;
 273
 274         } catch (e) {
 275                 exception_error("showArticleInHeadlines", e);
 276         }
 277 }
 278
 279 function article_callback2(transport, id) {
 280         try {
 281                 console.log("article_callback2 " + id);
 282
 283                 handle_rpc_json(transport);
 284
 285                 var reply = false;
 286
 287                 try {
 288                         reply = JSON.parse(transport.responseText);
 289                 } catch (e) {
 290                         console.error(e);
 291                 }
 292
 293                 if (reply) {
 294
 295                         reply.each(function(article) {
 296                                 if (getActiveArticleId() == article['id']) {
 297                                         render_article(article['content']);
 298                                 }
 299                                 cids_requested.remove(article['id']);
 300
 301                                 cache_set("article:" + article['id'], article['content']);
 302                         });
 303
 304 //                      if (id != last_requested_article) {
 305 //                              console.log("requested article id is out of sequence, aborting");
 306 //                              return;
 307 //                      }
 308
 309                 } else if (transport.responseText) {
 310                         console.error("Invalid object received: " + transport.responseText);
 311
 312                         render_article("<div class='whiteBox'>" +
 313                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 314                 } else {
 315                         Element.show(dijit.byId("net-alert").domNode);
 316                 }
 317
 318                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 319                 request_counters(unread_in_buffer == 0);
 320
 321                 //headlines_scroll_handler($("headlines-frame"));
 322
 323 /*              try {
 324                         if (!_infscroll_disable &&
 325                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 326
 327                                 loadMoreHeadlines();
 328                         }
 329                 } catch (e) {
 330                         console.warn(e);
 331                 } */
 332
 333                 notify("");
 334         } catch (e) {
 335                 exception_error("article_callback2", e, transport);
 336         }
 337 }
 338
 339 function view(id) {
 340         try {
 341                 var oldrow = $("RROW-" + getActiveArticleId());
 342                 if (oldrow) oldrow.removeClassName("active");
 343
 344                 var crow = $("RROW-" + id);
 345
 346                 if (!crow) return;
 347
 348                 console.log("loading article: " + id);
 349
 350                 var cached_article = cache_get("article:" + id);
 351
 352                 console.log("cache check result: " + (cached_article != false));
 353
 354                 var query = "?op=article&method=view&id=" + param_escape(id);
 355
 356                 var neighbor_ids = getRelativePostIds(id);
 357
 358                 /* only request uncached articles */
 359
 360                 var cids_to_request = [];
 361
 362                 for (var i = 0; i < neighbor_ids.length; i++) {
 363                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 364                                 if (!cache_get("article:" + neighbor_ids[i])) {
 365                                         cids_to_request.push(neighbor_ids[i]);
 366                                         cids_requested.push(neighbor_ids[i]);
 367                                 }
 368                 }
 369
 370                 console.log("additional ids: " + cids_to_request.toString());
 371
 372                 query = query + "&cids=" + cids_to_request.toString();
 373
 374                 var article_is_unread = crow.hasClassName("Unread");
 375
 376                 setActiveArticleId(id);
 377                 showArticleInHeadlines(id);
 378
 379                 if (cached_article && article_is_unread) {
 380
 381                         query = query + "&mode=prefetch";
 382
 383                         render_article(cached_article);
 384
 385                 } else if (cached_article) {
 386
 387                         query = query + "&mode=prefetch_old";
 388                         render_article(cached_article);
 389
 390                         // if we don't need to request any relative ids, we might as well skip
 391                         // the server roundtrip altogether
 392                         if (cids_to_request.length == 0) {
 393
 394 /*                              try {
 395                                         if (!_infscroll_disable &&
 396                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 397
 398                                                         loadMoreHeadlines();
 399                                         }
 400                                 } catch (e) {
 401                                         console.warn(e);
 402                                 } */
 403
 404                                 //headlines_scroll_handler($("headlines-frame"));
 405
 406                                 return;
 407                         }
 408                 }
 409
 410                 last_requested_article = id;
 411
 412                 console.log(query);
 413
 414                 if (article_is_unread) {
 415                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 416                 }
 417
 418                 new Ajax.Request("backend.php", {
 419                         parameters: query,
 420                         onComplete: function(transport) {
 421                                 article_callback2(transport, id);
 422                         } });
 423
 424                 return false;
 425
 426         } catch (e) {
 427                 exception_error("view", e);
 428         }
 429 }
 430
 431 function toggleMark(id, client_only) {
 432         try {
 433                 var query = "?op=rpc&id=" + id + "&method=mark";
 434
 435                 var img = $("FMPIC-" + id);
 436
 437                 if (!img) return;
 438
 439                 if (img.src.match("mark_unset")) {
 440                         img.src = img.src.replace("mark_unset", "mark_set");
 441                         img.alt = __("Unstar article");
 442                         query = query + "&mark=1";
 443
 444                 } else {
 445                         img.src = img.src.replace("mark_set", "mark_unset");
 446                         img.alt = __("Star article");
 447                         query = query + "&mark=0";
 448                 }
 449
 450                 if (!client_only) {
 451                         new Ajax.Request("backend.php", {
 452                                 parameters: query,
 453                                 onComplete: function(transport) {
 454                                         handle_rpc_json(transport);
 455                                 } });
 456                 }
 457
 458         } catch (e) {
 459                 exception_error("toggleMark", e);
 460         }
 461 }
 462
 463 function togglePub(id, client_only, no_effects, note) {
 464         try {
 465                 var query = "?op=rpc&id=" + id + "&method=publ";
 466
 467                 if (note != undefined) {
 468                         query = query + "&note=" + param_escape(note);
 469                 } else {
 470                         query = query + "&note=undefined";
 471                 }
 472
 473                 var img = $("FPPIC-" + id);
 474
 475                 if (!img) return;
 476
 477                 if (img.src.match("pub_unset") || note != undefined) {
 478                         img.src = img.src.replace("pub_unset", "pub_set");
 479                         img.alt = __("Unpublish article");
 480                         query = query + "&pub=1";
 481
 482                 } else {
 483                         img.src = img.src.replace("pub_set", "pub_unset");
 484                         img.alt = __("Publish article");
 485
 486                         query = query + "&pub=0";
 487                 }
 488
 489                 if (!client_only) {
 490                         new Ajax.Request("backend.php", {
 491                                 parameters: query,
 492                                 onComplete: function(transport) {
 493                                         handle_rpc_json(transport);
 494                                 } });
 495                 }
 496
 497         } catch (e) {
 498                 exception_error("togglePub", e);
 499         }
 500 }
 501
 502 function moveToPost(mode, noscroll) {
 503
 504         try {
 505
 506                 var rows = getVisibleArticleIds();
 507
 508                 var prev_id = false;
 509                 var next_id = false;
 510
 511                 if (!$('RROW-' + getActiveArticleId())) {
 512                         setActiveArticleId(0);
 513                 }
 514
 515                 if (!getActiveArticleId()) {
 516                         next_id = rows[0];
 517                         prev_id = rows[rows.length-1]
 518                 } else {
 519                         for (var i = 0; i < rows.length; i++) {
 520                                 if (rows[i] == getActiveArticleId()) {
 521
 522                                         // Account for adjacent identical article ids.
 523                                         if (i > 0) prev_id = rows[i-1];
 524
 525                                         for (var j = i+1; j < rows.length; j++) {
 526                                                 if (rows[j] != getActiveArticleId()) {
 527                                                         next_id = rows[j];
 528                                                         break;
 529                                                 }
 530                                         }
 531                                         break;
 532                                 }
 533                         }
 534                 }
 535
 536                 if (mode == "next") {
 537                         if (next_id || getActiveArticleId()) {
 538                                 if (isCdmMode()) {
 539
 540                                         var article = $("RROW-" + getActiveArticleId());
 541                                         var ctr = $("headlines-frame");
 542
 543                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 544                                                         ctr.scrollTop + ctr.offsetHeight) {
 545
 546                                                 scrollArticle(ctr.offsetHeight/4);
 547
 548                                         } else if (next_id) {
 549                                                 cdmExpandArticle(next_id);
 550                                                 cdmScrollToArticleId(next_id, true);
 551                                         }
 552
 553                                 } else if (next_id) {
 554                                         correctHeadlinesOffset(next_id);
 555                                         view(next_id, getActiveFeedId());
 556                                 }
 557                         }
 558                 }
 559
 560                 if (mode == "prev") {
 561                         if (prev_id || getActiveArticleId()) {
 562                                 if (isCdmMode()) {
 563
 564                                         var article = $("RROW-" + getActiveArticleId());
 565                                         var prev_article = $("RROW-" + prev_id);
 566                                         var ctr = $("headlines-frame");
 567
 568                                         if (!getInitParam("cdm_expanded")) {
 569
 570                                                 if (!noscroll && article.offsetTop < ctr.scrollTop) {
 571                                                         scrollArticle(-ctr.offsetHeight/4);
 572                                                 } else {
 573                                                         cdmExpandArticle(prev_id);
 574                                                         cdmScrollToArticleId(prev_id, true);
 575                                                 }
 576                                         } else {
 577
 578                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 579                                                         scrollArticle(-ctr.offsetHeight/3);
 580                                                 } else if (!noscroll && prev_article &&
 581                                                                 prev_article.offsetTop < ctr.scrollTop) {
 582                                                         cdmExpandArticle(prev_id);
 583                                                         scrollArticle(-ctr.offsetHeight/4);
 584                                                 } else if (prev_id) {
 585                                                         cdmExpandArticle(prev_id);
 586                                                         cdmScrollToArticleId(prev_id, noscroll);
 587                                                 }
 588                                         }
 589
 590                                 } else if (prev_id) {
 591                                         correctHeadlinesOffset(prev_id);
 592                                         view(prev_id, getActiveFeedId());
 593                                 }
 594                         }
 595                 }
 596
 597         } catch (e) {
 598                 exception_error("moveToPost", e);
 599         }
 600 }
 601
 602 function toggleSelected(id, force_on) {
 603         try {
 604
 605                 var cb = dijit.byId("RCHK-" + id);
 606                 var row = $("RROW-" + id);
 607
 608                 if (row) {
 609                         if (row.hasClassName('Selected') && !force_on) {
 610                                 row.removeClassName('Selected');
 611                                 if (cb) cb.attr("checked", false);
 612                         } else {
 613                                 row.addClassName('Selected');
 614                                 if (cb) cb.attr("checked", true);
 615                         }
 616                 }
 617         } catch (e) {
 618                 exception_error("toggleSelected", e);
 619         }
 620 }
 621
 622 function toggleUnread_afh(effect) {
 623         try {
 624
 625                 var elem = effect.element;
 626                 elem.style.backgroundColor = "";
 627
 628         } catch (e) {
 629                 exception_error("toggleUnread_afh", e);
 630         }
 631 }
 632
 633 function toggleUnread(id, cmode, effect) {
 634         try {
 635
 636                 var row = $("RROW-" + id);
 637                 if (row) {
 638                         if (cmode == undefined || cmode == 2) {
 639                                 if (row.hasClassName("Unread")) {
 640                                         row.removeClassName("Unread");
 641
 642                                 } else {
 643                                         row.addClassName("Unread");
 644                                 }
 645
 646                         } else if (cmode == 0) {
 647
 648                                 row.removeClassName("Unread");
 649
 650                         } else if (cmode == 1) {
 651                                 row.addClassName("Unread");
 652                         }
 653
 654                         if (cmode == undefined) cmode = 2;
 655
 656                         var query = "?op=rpc&method=catchupSelected" +
 657                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 658
 659 //                      notify_progress("Loading, please wait...");
 660
 661                         new Ajax.Request("backend.php", {
 662                                 parameters: query,
 663                                 onComplete: function(transport) {
 664                                         handle_rpc_json(transport);
 665                                 } });
 666
 667                 }
 668
 669         } catch (e) {
 670                 exception_error("toggleUnread", e);
 671         }
 672 }
 673
 674 function selectionRemoveLabel(id, ids) {
 675         try {
 676
 677                 if (!ids) ids = getSelectedArticleIds2();
 678
 679                 if (ids.length == 0) {
 680                         alert(__("No articles are selected."));
 681                         return;
 682                 }
 683
 684                 var query = "?op=article&method=removeFromLabel&ids=" +
 685                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 686
 687                 console.log(query);
 688
 689                 new Ajax.Request("backend.php", {
 690                         parameters: query,
 691                         onComplete: function(transport) {
 692                                 handle_rpc_json(transport);
 693                                 show_labels_in_headlines(transport);
 694                         } });
 695
 696         } catch (e) {
 697                 exception_error("selectionAssignLabel", e);
 698
 699         }
 700 }
 701
 702 function selectionAssignLabel(id, ids) {
 703         try {
 704
 705                 if (!ids) ids = getSelectedArticleIds2();
 706
 707                 if (ids.length == 0) {
 708                         alert(__("No articles are selected."));
 709                         return;
 710                 }
 711
 712                 var query = "?op=article&method=assignToLabel&ids=" +
 713                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 714
 715                 console.log(query);
 716
 717                 new Ajax.Request("backend.php", {
 718                         parameters: query,
 719                         onComplete: function(transport) {
 720                                 handle_rpc_json(transport);
 721                                 show_labels_in_headlines(transport);
 722                         } });
 723
 724         } catch (e) {
 725                 exception_error("selectionAssignLabel", e);
 726
 727         }
 728 }
 729
 730 function selectionToggleUnread(set_state, callback, no_error, ids) {
 731         try {
 732                 var rows = ids ? ids : getSelectedArticleIds2();
 733
 734                 if (rows.length == 0 && !no_error) {
 735                         alert(__("No articles are selected."));
 736                         return;
 737                 }
 738
 739                 for (var i = 0; i < rows.length; i++) {
 740                         var row = $("RROW-" + rows[i]);
 741                         if (row) {
 742                                 if (set_state == undefined) {
 743                                         if (row.hasClassName("Unread")) {
 744                                                 row.removeClassName("Unread");
 745                                         } else {
 746                                                 row.addClassName("Unread");
 747                                         }
 748                                 }
 749
 750                                 if (set_state == false) {
 751                                         row.removeClassName("Unread");
 752                                 }
 753
 754                                 if (set_state == true) {
 755                                         row.addClassName("Unread");
 756                                 }
 757                         }
 758                 }
 759
 760                 if (rows.length > 0) {
 761
 762                         var cmode = "";
 763
 764                         if (set_state == undefined) {
 765                                 cmode = "2";
 766                         } else if (set_state == true) {
 767                                 cmode = "1";
 768                         } else if (set_state == false) {
 769                                 cmode = "0";
 770                         }
 771
 772                         var query = "?op=rpc&method=catchupSelected" +
 773                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 774
 775                         notify_progress("Loading, please wait...");
 776
 777                         new Ajax.Request("backend.php", {
 778                                 parameters: query,
 779                                 onComplete: function(transport) {
 780                                         handle_rpc_json(transport);
 781                                         if (callback) callback(transport);
 782                                 } });
 783
 784                 }
 785
 786         } catch (e) {
 787                 exception_error("selectionToggleUnread", e);
 788         }
 789 }
 790
 791 // sel_state ignored
 792 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 793         try {
 794
 795                 var rows = ids ? ids : getSelectedArticleIds2();
 796
 797                 if (rows.length == 0 && !no_error) {
 798                         alert(__("No articles are selected."));
 799                         return;
 800                 }
 801
 802                 for (var i = 0; i < rows.length; i++) {
 803                         toggleMark(rows[i], true, true);
 804                 }
 805
 806                 if (rows.length > 0) {
 807
 808                         var query = "?op=rpc&method=markSelected&ids=" +
 809                                 param_escape(rows.toString()) + "&cmode=2";
 810
 811                         new Ajax.Request("backend.php", {
 812                                 parameters: query,
 813                                 onComplete: function(transport) {
 814                                         handle_rpc_json(transport);
 815                                         if (callback) callback(transport);
 816                                 } });
 817
 818                 }
 819
 820         } catch (e) {
 821                 exception_error("selectionToggleMarked", e);
 822         }
 823 }
 824
 825 // sel_state ignored
 826 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 827         try {
 828
 829                 var rows = ids ? ids : getSelectedArticleIds2();
 830
 831                 if (rows.length == 0 && !no_error) {
 832                         alert(__("No articles are selected."));
 833                         return;
 834                 }
 835
 836                 for (var i = 0; i < rows.length; i++) {
 837                         togglePub(rows[i], true, true);
 838                 }
 839
 840                 if (rows.length > 0) {
 841
 842                         var query = "?op=rpc&method=publishSelected&ids=" +
 843                                 param_escape(rows.toString()) + "&cmode=2";
 844
 845                         new Ajax.Request("backend.php", {
 846                                 parameters: query,
 847                                 onComplete: function(transport) {
 848                                         handle_rpc_json(transport);
 849                                 } });
 850
 851                 }
 852
 853         } catch (e) {
 854                 exception_error("selectionToggleMarked", e);
 855         }
 856 }
 857
 858 function getSelectedArticleIds2() {
 859
 860         var rv = [];
 861
 862         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 863                 function(child) {
 864                         rv.push(child.id.replace("RROW-", ""));
 865                 });
 866
 867         return rv;
 868 }
 869
 870 function getLoadedArticleIds() {
 871         var rv = [];
 872
 873         var children = $$("#headlines-frame > div[id*=RROW-]");
 874
 875         children.each(function(child) {
 876                         rv.push(child.id.replace("RROW-", ""));
 877                 });
 878
 879         return rv;
 880
 881 }
 882
 883 // mode = all,none,unread,invert,marked,published
 884 function selectArticles(mode) {
 885         try {
 886
 887                 var children = $$("#headlines-frame > div[id*=RROW]");
 888
 889                 children.each(function(child) {
 890                         var id = child.id.replace("RROW-", "");
 891                         var cb = dijit.byId("RCHK-" + id);
 892
 893                         if (mode == "all") {
 894                                 child.addClassName("Selected");
 895                                 if (cb) cb.attr("checked", true);
 896                         } else if (mode == "unread") {
 897                                 if (child.hasClassName("Unread")) {
 898                                         child.addClassName("Selected");
 899                                         if (cb) cb.attr("checked", true);
 900                                 } else {
 901                                         child.removeClassName("Selected");
 902                                         if (cb) cb.attr("checked", false);
 903                                 }
 904                         } else if (mode == "marked") {
 905                                 var img = $("FMPIC-" + child.id.replace("RROW-", ""));
 906
 907                                 if (img && img.src.match("mark_set")) {
 908                                         child.addClassName("Selected");
 909                                         if (cb) cb.attr("checked", true);
 910                                 } else {
 911                                         child.removeClassName("Selected");
 912                                         if (cb) cb.attr("checked", false);
 913                                 }
 914                         } else if (mode == "published") {
 915                                 var img = $("FPPIC-" + child.id.replace("RROW-", ""));
 916
 917                                 if (img && img.src.match("pub_set")) {
 918                                         child.addClassName("Selected");
 919                                         if (cb) cb.attr("checked", true);
 920                                 } else {
 921                                         child.removeClassName("Selected");
 922                                         if (cb) cb.attr("checked", false);
 923                                 }
 924
 925                         } else if (mode == "invert") {
 926                                 if (child.hasClassName("Selected")) {
 927                                         child.removeClassName("Selected");
 928                                         if (cb) cb.attr("checked", false);
 929                                 } else {
 930                                         child.addClassName("Selected");
 931                                         if (cb) cb.attr("checked", true);
 932                                 }
 933
 934                         } else {
 935                                 child.removeClassName("Selected");
 936                                 if (cb) cb.attr("checked", false);
 937                         }
 938                 });
 939
 940         } catch (e) {
 941                 exception_error("selectArticles", e);
 942         }
 943 }
 944
 945 function deleteSelection() {
 946
 947         try {
 948
 949                 var rows = getSelectedArticleIds2();
 950
 951                 if (rows.length == 0) {
 952                         alert(__("No articles are selected."));
 953                         return;
 954                 }
 955
 956                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 957                 var str;
 958
 959                 if (getActiveFeedId() != 0) {
 960                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
 961                 } else {
 962                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
 963                 }
 964
 965                 str = str.replace("%d", rows.length);
 966                 str = str.replace("%s", fn);
 967
 968                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 969                         return;
 970                 }
 971
 972                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
 973
 974                 console.log(query);
 975
 976                 new Ajax.Request("backend.php", {
 977                         parameters: query,
 978                         onComplete: function(transport) {
 979                                         handle_rpc_json(transport);
 980                                         viewCurrentFeed();
 981                                 } });
 982
 983         } catch (e) {
 984                 exception_error("deleteSelection", e);
 985         }
 986 }
 987
 988 function archiveSelection() {
 989
 990         try {
 991
 992                 var rows = getSelectedArticleIds2();
 993
 994                 if (rows.length == 0) {
 995                         alert(__("No articles are selected."));
 996                         return;
 997                 }
 998
 999                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1000                 var str;
1001                 var op;
1002
1003                 if (getActiveFeedId() != 0) {
1004                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1005                         op = "archive";
1006                 } else {
1007                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1008
1009                         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
1010
1011                         op = "unarchive";
1012                 }
1013
1014                 str = str.replace("%d", rows.length);
1015                 str = str.replace("%s", fn);
1016
1017                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1018                         return;
1019                 }
1020
1021                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1022
1023                 console.log(query);
1024
1025                 for (var i = 0; i < rows.length; i++) {
1026                         cache_delete("article:" + rows[i]);
1027                 }
1028
1029                 new Ajax.Request("backend.php", {
1030                         parameters: query,
1031                         onComplete: function(transport) {
1032                                         handle_rpc_json(transport);
1033                                         viewCurrentFeed();
1034                                 } });
1035
1036         } catch (e) {
1037                 exception_error("archiveSelection", e);
1038         }
1039 }
1040
1041 function catchupSelection() {
1042
1043         try {
1044
1045                 var rows = getSelectedArticleIds2();
1046
1047                 if (rows.length == 0) {
1048                         alert(__("No articles are selected."));
1049                         return;
1050                 }
1051
1052                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1053
1054                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1055
1056                 str = str.replace("%d", rows.length);
1057                 str = str.replace("%s", fn);
1058
1059                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1060                         return;
1061                 }
1062
1063                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1064
1065         } catch (e) {
1066                 exception_error("catchupSelection", e);
1067         }
1068 }
1069
1070 function editArticleTags(id) {
1071                 var query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
1072
1073                 if (dijit.byId("editTagsDlg"))
1074                         dijit.byId("editTagsDlg").destroyRecursive();
1075
1076                 dialog = new dijit.Dialog({
1077                         id: "editTagsDlg",
1078                         title: __("Edit article Tags"),
1079                         style: "width: 600px",
1080                         execute: function() {
1081                                 if (this.validate()) {
1082                                         var query = dojo.objectToQuery(this.attr('value'));
1083
1084                                         notify_progress("Saving article tags...", true);
1085
1086                                         new Ajax.Request("backend.php", {
1087                                         parameters: query,
1088                                         onComplete: function(transport) {
1089                                                 try {
1090                                                         notify('');
1091                                                         dialog.hide();
1092
1093                                                         var data = JSON.parse(transport.responseText);
1094
1095                                                         if (data) {
1096                                                                 var id = data.id;
1097
1098                                                                 console.log(id);
1099
1100                                                                 var tags = $("ATSTR-" + id);
1101                                                                 var tooltip = dijit.byId("ATSTRTIP-" + id);
1102
1103                                                                 if (tags) tags.innerHTML = data.content;
1104                                                                 if (tooltip) tooltip.attr('label', data.content_full);
1105                                                         }
1106                                                 } catch (e) {
1107                                                         exception_error("editArticleTags/inner", e);
1108                                                 }
1109
1110                                         }});
1111                                 }
1112                         },
1113                         href: query,
1114                 });
1115
1116                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1117                 dojo.disconnect(tmph);
1118
1119                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1120                            "backend.php?op=article&method=completeTags",
1121                            { tokens: ',', paramName: "search" });
1122                 });
1123
1124                 dialog.show();
1125
1126 }
1127
1128 function cdmScrollToArticleId(id, force) {
1129         try {
1130                 var ctr = $("headlines-frame");
1131                 var e = $("RROW-" + id);
1132
1133                 if (!e || !ctr) return;
1134
1135                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1136                                 e.offsetTop < ctr.scrollTop) {
1137
1138                         // expanded cdm has a 4px margin now
1139                         ctr.scrollTop = parseInt(e.offsetTop) - 4;
1140                 }
1141
1142         } catch (e) {
1143                 exception_error("cdmScrollToArticleId", e);
1144         }
1145 }
1146
1147 function setActiveArticleId(id) {
1148         _active_article_id = id;
1149 }
1150
1151 function getActiveArticleId() {
1152         return _active_article_id;
1153 }
1154
1155 function postMouseIn(e, id) {
1156         post_under_pointer = id;
1157 }
1158
1159 function postMouseOut(id) {
1160         post_under_pointer = false;
1161 }
1162
1163 function unpackVisibleHeadlines() {
1164         try {
1165                 if (!isCdmMode()) return;
1166
1167                 $$("#headlines-frame > div[id*=RROW]").each(
1168                         function(child) {
1169                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1170                                         $("headlines-frame").offsetHeight) {
1171
1172                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1173
1174                                         if (cencw) {
1175                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1176                                                 cencw.setAttribute('id', '');
1177                                                 Element.show(cencw);
1178                                         }
1179                                 }
1180                         }
1181                 );
1182
1183         } catch (e) {
1184                 exception_error("unpackVisibleHeadlines", e);
1185         }
1186 }
1187
1188 function headlines_scroll_handler(e) {
1189         try {
1190                 var hsp = $("headlines-spacer");
1191
1192                 unpackVisibleHeadlines();
1193
1194                 if (!_infscroll_disable) {
1195                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1196                                         (e.scrollHeight != 0 &&
1197                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1198
1199                                 if (hsp)
1200                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1201                                                 __("Loading, please wait...");
1202
1203                                 loadMoreHeadlines();
1204                                 return;
1205
1206                         }
1207                 } else {
1208                         if (hsp) hsp.innerHTML = "";
1209                 }
1210
1211                 if (getInitParam("cdm_auto_catchup") == 1) {
1212
1213                         // let's get DOM some time to settle down
1214                         var ts = new Date().getTime();
1215                         if (ts - _last_headlines_update < 100) return;
1216
1217                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1218                                 function(child) {
1219                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1220                                                         (child.offsetTop + child.offsetHeight/2)) {
1221
1222                                                 var id = child.id.replace("RROW-", "");
1223
1224                                                 if (catchup_id_batch.indexOf(id) == -1)
1225                                                         catchup_id_batch.push(id);
1226
1227                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1228                                         }
1229                                 });
1230
1231                         if (catchup_id_batch.length > 0) {
1232                                 window.clearTimeout(catchup_timeout_id);
1233
1234                                 if (!_infscroll_request_sent) {
1235                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1236                                                 500);
1237                                 }
1238                         }
1239                 }
1240
1241         } catch (e) {
1242                 console.warn("headlines_scroll_handler: " + e);
1243         }
1244 }
1245
1246 function catchupBatchedArticles() {
1247         try {
1248                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1249
1250                         // make a copy of the array
1251                         var batch = catchup_id_batch.slice();
1252                         var query = "?op=rpc&method=catchupSelected" +
1253                                 "&cmode=0&ids=" + param_escape(batch.toString());
1254
1255                         console.log(query);
1256
1257                         new Ajax.Request("backend.php", {
1258                                 parameters: query,
1259                                 onComplete: function(transport) {
1260                                         handle_rpc_json(transport);
1261
1262                                         reply = JSON.parse(transport.responseText);
1263                                         var batch = reply.ids;
1264
1265                                         batch.each(function(id) {
1266                                                 console.log(id);
1267                                                 var elem = $("RROW-" + id);
1268                                                 if (elem) elem.removeClassName("Unread");
1269                                                 catchup_id_batch.remove(id);
1270                                         });
1271
1272                                 } });
1273                 }
1274
1275         } catch (e) {
1276                 exception_error("catchupBatchedArticles", e);
1277         }
1278 }
1279
1280 function catchupRelativeToArticle(below, id) {
1281
1282         try {
1283
1284                 if (!id) id = getActiveArticleId();
1285
1286                 if (!id) {
1287                         alert(__("No article is selected."));
1288                         return;
1289                 }
1290
1291                 var visible_ids = getVisibleArticleIds();
1292
1293                 var ids_to_mark = new Array();
1294
1295                 if (!below) {
1296                         for (var i = 0; i < visible_ids.length; i++) {
1297                                 if (visible_ids[i] != id) {
1298                                         var e = $("RROW-" + visible_ids[i]);
1299
1300                                         if (e && e.hasClassName("Unread")) {
1301                                                 ids_to_mark.push(visible_ids[i]);
1302                                         }
1303                                 } else {
1304                                         break;
1305                                 }
1306                         }
1307                 } else {
1308                         for (var i = visible_ids.length-1; i >= 0; i--) {
1309                                 if (visible_ids[i] != id) {
1310                                         var e = $("RROW-" + visible_ids[i]);
1311
1312                                         if (e && e.hasClassName("Unread")) {
1313                                                 ids_to_mark.push(visible_ids[i]);
1314                                         }
1315                                 } else {
1316                                         break;
1317                                 }
1318                         }
1319                 }
1320
1321                 if (ids_to_mark.length == 0) {
1322                         alert(__("No articles found to mark"));
1323                 } else {
1324                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1325
1326                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1327
1328                                 for (var i = 0; i < ids_to_mark.length; i++) {
1329                                         var e = $("RROW-" + ids_to_mark[i]);
1330                                         e.removeClassName("Unread");
1331                                 }
1332
1333                                 var query = "?op=rpc&method=catchupSelected" +
1334                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1335
1336                                 new Ajax.Request("backend.php", {
1337                                         parameters: query,
1338                                         onComplete: function(transport) {
1339                                                 handle_rpc_json(transport);
1340                                         } });
1341
1342                         }
1343                 }
1344
1345         } catch (e) {
1346                 exception_error("catchupRelativeToArticle", e);
1347         }
1348 }
1349
1350 function cdmCollapseArticle(event, id) {
1351         try {
1352                 var row = $("RROW-" + id);
1353                 var elem = $("CICD-" + id);
1354
1355                 if (elem && row) {
1356                         var collapse = $$("div#RROW-" + id +
1357                                 " span[class='collapseBtn']")[0];
1358
1359                         Element.hide(elem);
1360                         Element.show("CEXC-" + id);
1361                         Element.hide(collapse);
1362                         row.removeClassName("active");
1363
1364                         markHeadline(id, false);
1365
1366                         if (id == getActiveArticleId()) {
1367                                 setActiveArticleId(0);
1368                         }
1369
1370                         if (event) Event.stop(event);
1371                 }
1372
1373         } catch (e) {
1374                 exception_error("cdmCollapseArticle", e);
1375         }
1376 }
1377
1378 function cdmExpandArticle(id) {
1379         try {
1380                 console.log("cdmExpandArticle " + id);
1381
1382                 if (!$("RROW-" + id)) return false;
1383
1384                 var oldrow = $("RROW-" + getActiveArticleId());
1385
1386                 var elem = $("CICD-" + getActiveArticleId());
1387
1388                 if (id == getActiveArticleId() && Element.visible(elem))
1389                         return true;
1390
1391                 selectArticles("none");
1392
1393                 var old_offset = $("RROW-" + id).offsetTop;
1394
1395                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1396                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1397                                 " span[class='collapseBtn']")[0];
1398
1399                         Element.hide(elem);
1400                         Element.show("CEXC-" + getActiveArticleId());
1401                         Element.hide(collapse);
1402                 }
1403
1404                 if (oldrow) oldrow.removeClassName("active");
1405
1406                 setActiveArticleId(id);
1407
1408                 elem = $("CICD-" + id);
1409
1410                 var collapse = $$("div#RROW-" + id +
1411                                 " span[class='collapseBtn']")[0];
1412
1413                 var cencw = $("CENCW-" + id);
1414
1415                 if (!Element.visible(elem)) {
1416                         if (cencw) {
1417                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1418                                 cencw.setAttribute('id', '');
1419                                 Element.show(cencw);
1420                         }
1421
1422                         Element.show(elem);
1423                         Element.hide("CEXC-" + id);
1424                         Element.show(collapse);
1425                 }
1426
1427                 var new_offset = $("RROW-" + id).offsetTop;
1428
1429                 if (old_offset > new_offset)
1430                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1431
1432                 toggleUnread(id, 0, true);
1433                 toggleSelected(id);
1434                 $("RROW-" + id).addClassName("active");
1435
1436         } catch (e) {
1437                 exception_error("cdmExpandArticle", e);
1438         }
1439
1440         return false;
1441 }
1442
1443 function fixHeadlinesOrder(ids) {
1444         try {
1445                 for (var i = 0; i < ids.length; i++) {
1446                         var e = $("RROW-" + ids[i]);
1447
1448                         if (e) {
1449                                 if (i % 2 == 0) {
1450                                         e.removeClassName("even");
1451                                         e.addClassName("odd");
1452                                 } else {
1453                                         e.removeClassName("odd");
1454                                         e.addClassName("even");
1455                                 }
1456                         }
1457                 }
1458         } catch (e) {
1459                 exception_error("fixHeadlinesOrder", e);
1460         }
1461 }
1462
1463 function getArticleUnderPointer() {
1464         return post_under_pointer;
1465 }
1466
1467 function scrollArticle(offset) {
1468         try {
1469                 if (!isCdmMode()) {
1470                         var ci = $("content-insert");
1471                         if (ci) {
1472                                 ci.scrollTop += offset;
1473                         }
1474                 } else {
1475                         var hi = $("headlines-frame");
1476                         if (hi) {
1477                                 hi.scrollTop += offset;
1478                         }
1479
1480                 }
1481         } catch (e) {
1482                 exception_error("scrollArticle", e);
1483         }
1484 }
1485
1486 function show_labels_in_headlines(transport) {
1487         try {
1488                 var data = JSON.parse(transport.responseText);
1489
1490                 if (data) {
1491                         data['info-for-headlines'].each(function(elem) {
1492                                 var ctr = $("HLLCTR-" + elem.id);
1493
1494                                 if (ctr) ctr.innerHTML = elem.labels;
1495                         });
1496                 }
1497         } catch (e) {
1498                 exception_error("show_labels_in_headlines", e);
1499         }
1500 }
1501
1502 function dismissArticle(id) {
1503         try {
1504                 var elem = $("RROW-" + id);
1505
1506                 if (!elem) return;
1507
1508                 toggleUnread(id, 0, true);
1509
1510                 new Effect.Fade(elem, {duration : 0.5});
1511
1512                 if (id == getActiveArticleId()) {
1513                         setActiveArticleId(0);
1514                 }
1515
1516         } catch (e) {
1517                 exception_error("dismissArticle", e);
1518         }
1519 }
1520
1521 function dismissSelectedArticles() {
1522         try {
1523
1524                 var ids = getVisibleArticleIds();
1525                 var tmp = [];
1526                 var sel = [];
1527
1528                 for (var i = 0; i < ids.length; i++) {
1529                         var elem = $("RROW-" + ids[i]);
1530
1531                         if (elem.className && elem.hasClassName("Selected") &&
1532                                         ids[i] != getActiveArticleId()) {
1533                                 new Effect.Fade(elem, {duration : 0.5});
1534                                 sel.push(ids[i]);
1535                         } else {
1536                                 tmp.push(ids[i]);
1537                         }
1538                 }
1539
1540                 if (sel.length > 0)
1541                         selectionToggleUnread(false);
1542
1543                 fixHeadlinesOrder(tmp);
1544
1545         } catch (e) {
1546                 exception_error("dismissSelectedArticles", e);
1547         }
1548 }
1549
1550 function dismissReadArticles() {
1551         try {
1552
1553                 var ids = getVisibleArticleIds();
1554                 var tmp = [];
1555
1556                 for (var i = 0; i < ids.length; i++) {
1557                         var elem = $("RROW-" + ids[i]);
1558
1559                         if (elem.className && !elem.hasClassName("Unread") &&
1560                                         !elem.hasClassName("Selected")) {
1561
1562                                 new Effect.Fade(elem, {duration : 0.5});
1563                         } else {
1564                                 tmp.push(ids[i]);
1565                         }
1566                 }
1567
1568                 fixHeadlinesOrder(tmp);
1569
1570         } catch (e) {
1571                 exception_error("dismissSelectedArticles", e);
1572         }
1573 }
1574
1575 function getVisibleArticleIds() {
1576         var ids = [];
1577
1578         try {
1579
1580                 getLoadedArticleIds().each(function(id) {
1581                         var elem = $("RROW-" + id);
1582                         if (elem && Element.visible(elem))
1583                                 ids.push(id);
1584                         });
1585
1586         } catch (e) {
1587                 exception_error("getVisibleArticleIds", e);
1588         }
1589
1590         return ids;
1591 }
1592
1593 function cdmClicked(event, id) {
1594         try {
1595                 //var shift_key = event.shiftKey;
1596
1597                 if (!event.ctrlKey) {
1598
1599                         if (!getInitParam("cdm_expanded")) {
1600                                 return cdmExpandArticle(id);
1601                         } else {
1602
1603                                 var elem = $("RROW-" + getActiveArticleId());
1604
1605                                 if (elem) elem.removeClassName("active");
1606
1607                                 selectArticles("none");
1608                                 toggleSelected(id);
1609
1610                                 var elem = $("RROW-" + id);
1611                                 var article_is_unread = elem.hasClassName("Unread");
1612
1613                                 elem.removeClassName("Unread");
1614                                 elem.addClassName("active");
1615
1616                                 setActiveArticleId(id);
1617
1618                                 if (article_is_unread) {
1619                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1620                                 }
1621
1622                                 var query = "?op=rpc&method=catchupSelected" +
1623                                         "&cmode=0&ids=" + param_escape(id);
1624
1625                                 new Ajax.Request("backend.php", {
1626                                         parameters: query,
1627                                         onComplete: function(transport) {
1628                                                 handle_rpc_json(transport);
1629                                         } });
1630
1631                                 return !event.shiftKey;
1632                         }
1633
1634                 } else {
1635                         toggleSelected(id, true);
1636
1637                         var elem = $("RROW-" + id);
1638                         var article_is_unread = elem.hasClassName("Unread");
1639
1640                         if (article_is_unread) {
1641                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1642                         }
1643
1644                         toggleUnread(id, 0, false);
1645
1646                         openArticleInNewWindow(id);
1647                 }
1648
1649                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1650                 request_counters(unread_in_buffer == 0);
1651
1652         } catch (e) {
1653                 exception_error("cdmClicked");
1654         }
1655
1656         return false;
1657 }
1658
1659 function hlClicked(event, id) {
1660         try {
1661                 if (event.which == 2) {
1662                         view(id);
1663                         return true;
1664                 } else if (event.ctrlKey) {
1665                         toggleSelected(id, true);
1666                         toggleUnread(id, 0, false);
1667                         openArticleInNewWindow(id);
1668                         return false;
1669                 } else {
1670                         view(id);
1671                         return false;
1672                 }
1673
1674         } catch (e) {
1675                 exception_error("hlClicked");
1676         }
1677 }
1678
1679 function getFirstVisibleHeadlineId() {
1680         var rows = getVisibleArticleIds();
1681         return rows[0];
1682
1683 }
1684
1685 function getLastVisibleHeadlineId() {
1686         var rows = getVisibleArticleIds();
1687         return rows[rows.length-1];
1688 }
1689
1690 function openArticleInNewWindow(id) {
1691         toggleUnread(id, 0, false);
1692         window.open("backend.php?op=article&method=redirect&id=" + id);
1693 }
1694
1695 function isCdmMode() {
1696         return getInitParam("combined_display_mode");
1697 }
1698
1699 function markHeadline(id, marked) {
1700         if (marked == undefined) marked = true;
1701
1702         var row = $("RROW-" + id);
1703         if (row) {
1704                 var check = dijit.byId("RCHK-" + id);
1705
1706                 if (check) {
1707                         check.attr("checked", marked);
1708                 }
1709
1710                 if (marked)
1711                         row.addClassName("Selected");
1712                 else
1713                         row.removeClassName("Selected");
1714         }
1715 }
1716
1717 function getRelativePostIds(id, limit) {
1718
1719         var tmp = [];
1720
1721         try {
1722
1723                 if (!limit) limit = 6; //3
1724
1725                 var ids = getVisibleArticleIds();
1726
1727                 for (var i = 0; i < ids.length; i++) {
1728                         if (ids[i] == id) {
1729                                 for (var k = 1; k <= limit; k++) {
1730                                         //if (i > k-1) tmp.push(ids[i-k]);
1731                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1732                                 }
1733                                 break;
1734                         }
1735                 }
1736
1737         } catch (e) {
1738                 exception_error("getRelativePostIds", e);
1739         }
1740
1741         return tmp;
1742 }
1743
1744 function correctHeadlinesOffset(id) {
1745
1746         try {
1747
1748                 var container = $("headlines-frame");
1749                 var row = $("RROW-" + id);
1750
1751                 if (!container || !row) return;
1752
1753                 var viewport = container.offsetHeight;
1754
1755                 var rel_offset_top = row.offsetTop - container.scrollTop;
1756                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1757
1758                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1759                 //console.log("Vport: " + viewport);
1760
1761                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1762                         container.scrollTop = row.offsetTop;
1763                 } else if (rel_offset_bottom > viewport) {
1764
1765                         /* doesn't properly work with Opera in some cases because
1766                                 Opera fucks up element scrolling */
1767
1768                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1769                 }
1770
1771         } catch (e) {
1772                 exception_error("correctHeadlinesOffset", e);
1773         }
1774
1775 }
1776
1777 function headlineActionsChange(elem) {
1778         try {
1779                 eval(elem.value);
1780                 elem.attr('value', 'false');
1781         } catch (e) {
1782                 exception_error("headlineActionsChange", e);
1783         }
1784 }
1785
1786 function closeArticlePanel() {
1787
1788         if (dijit.byId("content-insert"))
1789                 dijit.byId("headlines-wrap-inner").removeChild(
1790                         dijit.byId("content-insert"));
1791 }
1792
1793 function initHeadlinesMenu() {
1794         try {
1795                 if (dijit.byId("headlinesMenu"))
1796                         dijit.byId("headlinesMenu").destroyRecursive();
1797
1798                 var ids = [];
1799
1800                 if (!isCdmMode()) {
1801                         nodes = $$("#headlines-frame > div[id*=RROW]");
1802                 } else {
1803                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1804                 }
1805
1806                 nodes.each(function(node) {
1807                         ids.push(node.id);
1808                 });
1809
1810                 var menu = new dijit.Menu({
1811                         id: "headlinesMenu",
1812                         targetNodeIds: ids,
1813                 });
1814
1815                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1816                         var callerNode = event.target, match = null, tries = 0;
1817
1818                         while (match == null && callerNode && tries <= 3) {
1819                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1820                                 callerNode = callerNode.parentNode;
1821                                 ++tries;
1822                         }
1823
1824                         if (match) this.callerRowId = parseInt(match[1]);
1825
1826                 });
1827
1828 /*              if (!isCdmMode())
1829                         menu.addChild(new dijit.MenuItem({
1830                                 label: __("View article"),
1831                                 onClick: function(event) {
1832                                         view(this.getParent().callerRowId);
1833                                 }})); */
1834
1835                 menu.addChild(new dijit.MenuItem({
1836                         label: __("Open original article"),
1837                         onClick: function(event) {
1838                                 openArticleInNewWindow(this.getParent().callerRowId);
1839                         }}));
1840
1841                 menu.addChild(new dijit.MenuItem({
1842                         label: __("Display article URL"),
1843                         onClick: function(event) {
1844                                 displayArticleUrl(this.getParent().callerRowId);
1845                         }}));
1846
1847                 menu.addChild(new dijit.MenuSeparator());
1848
1849                 menu.addChild(new dijit.MenuItem({
1850                         label: __("Toggle unread"),
1851                         onClick: function(event) {
1852                                 var ids = getSelectedArticleIds2();
1853                                 // cast to string
1854                                 var id = this.getParent().callerRowId + "";
1855                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1856
1857                                 selectionToggleUnread(undefined, false, true, ids);
1858                                 }}));
1859
1860                 menu.addChild(new dijit.MenuItem({
1861                         label: __("Toggle marked"),
1862                         onClick: function(event) {
1863                                 var ids = getSelectedArticleIds2();
1864                                 // cast to string
1865                                 var id = this.getParent().callerRowId + "";
1866                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1867
1868                                 selectionToggleMarked(undefined, false, true, ids);
1869                                 }}));
1870
1871                 menu.addChild(new dijit.MenuItem({
1872                         label: __("Toggle published"),
1873                         onClick: function(event) {
1874                                 var ids = getSelectedArticleIds2();
1875                                 // cast to string
1876                                 var id = this.getParent().callerRowId + "";
1877                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1878
1879                                 selectionTogglePublished(undefined, false, true, ids);
1880                                 }}));
1881
1882                 menu.addChild(new dijit.MenuSeparator());
1883
1884                 menu.addChild(new dijit.MenuItem({
1885                         label: __("Mark above as read"),
1886                         onClick: function(event) {
1887                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1888                                 }}));
1889
1890                 menu.addChild(new dijit.MenuItem({
1891                         label: __("Mark below as read"),
1892                         onClick: function(event) {
1893                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1894                                 }}));
1895
1896
1897                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1898
1899                 if (labels) {
1900
1901                         menu.addChild(new dijit.MenuSeparator());
1902
1903                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1904                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1905
1906                         labels.each(function(label) {
1907                                 var id = label.id[0];
1908                                 var bare_id = id.substr(id.indexOf(":")+1);
1909                                 var name = label.name[0];
1910
1911                                 bare_id = feed_to_label_id(bare_id);
1912
1913                                 labelAddMenu.addChild(new dijit.MenuItem({
1914                                         label: name,
1915                                         labelId: bare_id,
1916                                         onClick: function(event) {
1917                                                 var ids = getSelectedArticleIds2();
1918                                                 // cast to string
1919                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1920
1921                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1922
1923                                                 selectionAssignLabel(this.labelId, ids);
1924                                 }}));
1925
1926                                 labelDelMenu.addChild(new dijit.MenuItem({
1927                                         label: name,
1928                                         labelId: bare_id,
1929                                         onClick: function(event) {
1930                                                 var ids = getSelectedArticleIds2();
1931                                                 // cast to string
1932                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1933
1934                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1935
1936                                                 selectionRemoveLabel(this.labelId, ids);
1937                                 }}));
1938
1939                         });
1940
1941                         menu.addChild(new dijit.PopupMenuItem({
1942                                 label: __("Assign label"),
1943                                 popup: labelAddMenu,
1944                         }));
1945
1946                         menu.addChild(new dijit.PopupMenuItem({
1947                                 label: __("Remove label"),
1948                                 popup: labelDelMenu,
1949                         }));
1950
1951                 }
1952
1953                 menu.startup();
1954
1955         } catch (e) {
1956                 exception_error("initHeadlinesMenu", e);
1957         }
1958 }
1959
1960
1961 function player(elem) {
1962         var aid = elem.getAttribute("audio-id");
1963         var status = elem.getAttribute("status");
1964
1965         var audio = $(aid);
1966
1967         if (audio) {
1968                 if (status == 0) {
1969                         audio.play();
1970                         status = 1;
1971                         elem.innerHTML = __("Playing...");
1972                         elem.title = __("Click to pause");
1973                         elem.addClassName("playing");
1974                 } else {
1975                         audio.pause();
1976                         status = 0;
1977                         elem.innerHTML = __("Play");
1978                         elem.title = __("Click to play");
1979                         elem.removeClassName("playing");
1980                 }
1981
1982                 elem.setAttribute("status", status);
1983         } else {
1984                 alert("Your browser doesn't seem to support HTML5 audio.");
1985         }
1986 }
1987
1988 function cache_set(id, obj) {
1989         //console.log("cache_set: " + id);
1990         if (has_storage)
1991                 try {
1992                         sessionStorage[id] = obj;
1993                 } catch (e) {
1994                         sessionStorage.clear();
1995                 }
1996 }
1997
1998 function cache_get(id) {
1999         if (has_storage)
2000                 return sessionStorage[id];
2001 }
2002
2003 function cache_clear() {
2004         if (has_storage)
2005                 sessionStorage.clear();
2006 }
2007
2008 function cache_delete(id) {
2009         if (has_storage)
2010                 sessionStorage.removeItem(id);
2011 }
2012
2013 function cancelSearch() {
2014         try {
2015                 _search_query = "";
2016                 viewCurrentFeed();
2017         } catch (e) {
2018                 exception_error("cancelSearch", e);
2019         }
2020 }
2021
2022 function setSelectionScore() {
2023         try {
2024                 var ids = getSelectedArticleIds2();
2025
2026                 if (ids.length > 0) {
2027                         console.log(ids);
2028
2029                         var score = prompt(__("Please enter new score for selected articles:"), score);
2030
2031                         if (score != undefined) {
2032                                 var query = "op=article&method=setScore&id=" + param_escape(ids.toString()) +
2033                                         "&score=" + param_escape(score);
2034
2035                                 new Ajax.Request("backend.php", {
2036                                         parameters: query,
2037                                         onComplete: function(transport) {
2038                                                 var reply = JSON.parse(transport.responseText);
2039                                                 if (reply) {
2040                                                         console.log(ids);
2041
2042                                                         ids.each(function(id) {
2043                                                                 var row = $("RROW-" + id);
2044
2045                                                                 if (row) {
2046                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2047
2048                                                                         if (pic) {
2049                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2050                                                                                         reply["score_pic"]);
2051                                                                                 pic.setAttribute("score", score);
2052                                                                         }
2053                                                                 }
2054                                                         });
2055                                                 }
2056                                         } });
2057                         }
2058
2059                 } else {
2060                         alert(__("No articles are selected."));
2061                 }
2062         } catch (e) {
2063                 exception_error("setSelectionScore", e);
2064         }
2065 }
2066
2067 function changeScore(id, pic) {
2068         try {
2069                 var score = pic.getAttribute("score");
2070
2071                 var new_score = prompt(__("Please enter new score for this article:"), score);
2072
2073                 if (new_score != undefined) {
2074
2075                         var query = "op=article&method=setScore&id=" + param_escape(id) +
2076                                 "&score=" + param_escape(new_score);
2077
2078                         new Ajax.Request("backend.php", {
2079                                 parameters: query,
2080                                 onComplete: function(transport) {
2081                                         var reply = JSON.parse(transport.responseText);
2082
2083                                         if (reply) {
2084                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2085                                                 pic.setAttribute("score", new_score);
2086                                         }
2087                                 } });
2088                 }
2089         } catch (e) {
2090                 exception_error("changeScore", e);
2091         }
2092 }
2093
2094 function displayArticleUrl(id) {
2095         try {
2096                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2097
2098                         new Ajax.Request("backend.php", {
2099                                 parameters: query,
2100                                 onComplete: function(transport) {
2101                                         var reply = JSON.parse(transport.responseText);
2102
2103                                         if (reply && reply.link) {
2104                                                 prompt(__("Article URL:"), reply.link);
2105                                         }
2106                                 } });
2107         } catch (e) {
2108                 exception_error("changeScore", e);
2109         }
2110 }
2111
2112 function openSelectedAttachment(elem) {
2113         try {
2114                 var url = elem[elem.selectedIndex].value;
2115
2116                 if (url) {
2117                         window.open(url);
2118                         elem.selectedIndex = 0;
2119                 }
2120
2121         } catch (e) {
2122                 exception_error("openSelectedAttachment", e);
2123         }
2124 }