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 has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  17
  18 function headlines_callback2(transport, offset, background, infscroll_req) {
  19         try {
  20                 handle_rpc_json(transport);
  21
  22                 loading_set_progress(25);
  23
  24                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  25
  26                 var is_cat = false;
  27                 var feed_id = false;
  28
  29                 var reply = false;
  30
  31                 try {
  32                         reply = JSON.parse(transport.responseText);
  33                 } catch (e) {
  34                         console.error(e);
  35                 }
  36
  37                 if (reply) {
  38
  39                         is_cat = reply['headlines']['is_cat'];
  40                         feed_id = reply['headlines']['id'];
  41
  42                         if (background) {
  43                                 var content = reply['headlines']['content'];
  44
  45                                 if (getInitParam("cdm_auto_catchup") == 1) {
  46                                         content = content + "<div id='headlines-spacer'></div>";
  47                                 }
  48                                 return;
  49                         }
  50
  51                         setActiveFeedId(feed_id, is_cat);
  52
  53                         dijit.getEnclosingWidget(
  54                                 document.forms["main_toolbar_form"].update).attr('disabled',
  55                                         is_cat || feed_id <= 0);
  56
  57                         try {
  58                                 if (infscroll_req == false) {
  59                                         $("headlines-frame").scrollTop = 0;
  60                                 }
  61                         } catch (e) { };
  62
  63                         var headlines_count = reply['headlines-info']['count'];
  64
  65                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  66
  67                         if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
  68                                 _infscroll_disable = 1;
  69                         } else {
  70                                 _infscroll_disable = 0;
  71                         }
  72
  73                         var counters = reply['counters'];
  74                         var articles = reply['articles'];
  75                         //var runtime_info = reply['runtime-info'];
  76
  77                         if (infscroll_req == false) {
  78                                 loaded_article_ids = [];
  79
  80                                 dijit.byId("headlines-frame").attr('content',
  81                                         reply['headlines']['content']);
  82
  83                                 dijit.byId("headlines-toolbar").attr('content',
  84                                         reply['headlines']['toolbar']);
  85
  86                                 $$("#headlines-frame > div[id*=RROW]").each(function(row) {
  87                                         if (loaded_article_ids.indexOf(row.id) != -1) {
  88                                                 row.parentNode.removeChild(row);
  89                                         } else {
  90                                                 loaded_article_ids.push(row.id);
  91                                         }
  92                                 });
  93
  94                                 if (getInitParam("cdm_auto_catchup") == 1) {
  95                                         var hsp = $("headlines-spacer");
  96                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
  97                                         dijit.byId('headlines-frame').domNode.appendChild(hsp);
  98                                 }
  99
 100                                 initHeadlinesMenu();
 101
 102                                 if (_search_query) {
 103                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 104                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 105                                                 "</span>";
 106                                 }
 107
 108                         } else {
 109
 110                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 111                                         console.log("adding some more headlines: " + headlines_count);
 112
 113                                         var c = dijit.byId("headlines-frame");
 114                                         var ids = getSelectedArticleIds2();
 115                                         var new_elems = [];
 116
 117                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 118
 119                                         var hsp = $("headlines-spacer");
 120
 121                                         if (hsp)
 122                                                 c.domNode.removeChild(hsp);
 123
 124                                         $$("#headlines-tmp > div").each(function(row) {
 125                                                 if (row.className == 'cdmFeedTitle') {
 126                                                         row.style.display = 'none';
 127                                                         c.domNode.appendChild(row);
 128                                                         new_elems.push(row);
 129                                                 } else if (loaded_article_ids.indexOf(row.id) == -1) {
 130                                                         row.style.display = 'none';
 131                                                         c.domNode.appendChild(row);
 132                                                         new_elems.push(row);
 133                                                         loaded_article_ids.push(row.id);
 134                                                 } else {
 135                                                         row.parentNode.removeChild(row);
 136                                                 }
 137                                         });
 138
 139                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 140
 141                                         fixHeadlinesOrder(getLoadedArticleIds());
 142
 143                                         if (getInitParam("cdm_auto_catchup") == 1) {
 144                                                 c.domNode.appendChild(hsp);
 145                                         }
 146
 147                                         console.log("added " + new_elems.size() + " headlines");
 148
 149                                         if (new_elems.size() == 0)
 150                                                 _infscroll_disable = true;
 151
 152                                         console.log("restore selected ids: " + ids);
 153
 154                                         for (var i = 0; i < ids.length; i++) {
 155                                                 markHeadline(ids[i]);
 156                                         }
 157
 158                                         initHeadlinesMenu();
 159
 160                                         new_elems.each(function(child) {
 161                                                 var cb = dijit.byId(child.id.replace("RROW-", "RCHK-"));
 162
 163                                                 if (!cb) {
 164                                                         dojo.parser.parse(child);
 165
 166                                                         if (!Element.visible(child))
 167                                                                 new Effect.Appear(child, { duration : 0.5 });
 168                                                 } else {
 169                                                         c.domNode.removeChild(child);
 170                                                 }
 171                                         });
 172
 173                                 } else {
 174                                         console.log("no new headlines received");
 175
 176                                         var hsp = $("headlines-spacer");
 177
 178                                         if (hsp) hsp.innerHTML = "";
 179                                 }
 180                         }
 181
 182                         if (articles) {
 183                                 for (var i = 0; i < articles.length; i++) {
 184                                         var a_id = articles[i]['id'];
 185                                         cache_set("article:" + a_id, articles[i]['content']);
 186                                 }
 187                         } else {
 188                                 console.log("no cached articles received");
 189                         }
 190
 191                         if (counters)
 192                                 parse_counters(counters);
 193                         else
 194                                 request_counters(true);
 195
 196                 } else if (transport.responseText) {
 197                         console.error("Invalid object received: " + transport.responseText);
 198                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 199                                         __('Could not update headlines (invalid object received - see error console for details)') +
 200                                         "</div>");
 201                 } else {
 202                         //notify_error("Error communicating with server.");
 203                         Element.show(dijit.byId("net-alert").domNode);
 204                 }
 205
 206                 _infscroll_request_sent = 0;
 207
 208                 notify("");
 209
 210         } catch (e) {
 211                 exception_error("headlines_callback2", e, transport);
 212         }
 213 }
 214
 215 function render_article(article) {
 216         try {
 217                 dijit.byId("headlines-wrap-inner").addChild(
 218                                 dijit.byId("content-insert"));
 219
 220                 var c = dijit.byId("content-insert");
 221
 222                 try {
 223                         c.domNode.scrollTop = 0;
 224                 } catch (e) { };
 225
 226                 c.attr('content', article);
 227
 228                 correctHeadlinesOffset(getActiveArticleId());
 229
 230                 try {
 231                         c.focus();
 232                 } catch (e) { };
 233
 234         } catch (e) {
 235                 exception_error("render_article", e);
 236         }
 237 }
 238
 239 function showArticleInHeadlines(id) {
 240
 241         try {
 242
 243                 selectArticles("none");
 244
 245                 var crow = $("RROW-" + id);
 246
 247                 if (!crow) return;
 248
 249                 var article_is_unread = crow.hasClassName("Unread");
 250
 251                 crow.removeClassName("Unread");
 252
 253                 selectArticles('none');
 254
 255                 var view_mode = false;
 256
 257                 try {
 258                         view_mode = document.forms['main_toolbar_form'].view_mode;
 259                         view_mode = view_mode[view_mode.selectedIndex].value;
 260                 } catch (e) {
 261                         //
 262                 }
 263
 264                 markHeadline(id);
 265
 266                 if (article_is_unread)
 267                         _force_scheduled_update = true;
 268
 269         } catch (e) {
 270                 exception_error("showArticleInHeadlines", e);
 271         }
 272 }
 273
 274 function article_callback2(transport, id) {
 275         try {
 276                 console.log("article_callback2 " + id);
 277
 278                 handle_rpc_json(transport);
 279
 280                 var reply = false;
 281
 282                 try {
 283                         reply = JSON.parse(transport.responseText);
 284                 } catch (e) {
 285                         console.error(e);
 286                 }
 287
 288                 if (reply) {
 289
 290                         reply.each(function(article) {
 291                                 if (getActiveArticleId() == article['id']) {
 292                                         render_article(article['content']);
 293                                 }
 294                                 cids_requested.remove(article['id']);
 295
 296                                 cache_set("article:" + article['id'], article['content']);
 297                         });
 298
 299 //                      if (id != last_requested_article) {
 300 //                              console.log("requested article id is out of sequence, aborting");
 301 //                              return;
 302 //                      }
 303
 304                 } else if (transport.responseText) {
 305                         console.error("Invalid object received: " + transport.responseText);
 306
 307                         render_article("<div class='whiteBox'>" +
 308                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 309                 } else {
 310                         Element.show(dijit.byId("net-alert").domNode);
 311                 }
 312
 313                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 314                 request_counters(unread_in_buffer == 0);
 315
 316                 headlines_scroll_handler($("headlines-frame"));
 317
 318 /*              try {
 319                         if (!_infscroll_disable &&
 320                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 321
 322                                 loadMoreHeadlines();
 323                         }
 324                 } catch (e) {
 325                         console.warn(e);
 326                 } */
 327
 328                 notify("");
 329         } catch (e) {
 330                 exception_error("article_callback2", e, transport);
 331         }
 332 }
 333
 334 function view(id) {
 335         try {
 336                 var crow = $("RROW-" + id);
 337
 338                 if (!crow) return;
 339
 340                 console.log("loading article: " + id);
 341
 342                 var cached_article = cache_get("article:" + id);
 343
 344                 console.log("cache check result: " + (cached_article != false));
 345
 346                 hideAuxDlg();
 347
 348                 var query = "?op=article&method=view&id=" + param_escape(id);
 349
 350                 var neighbor_ids = getRelativePostIds(id);
 351
 352                 /* only request uncached articles */
 353
 354                 var cids_to_request = [];
 355
 356                 for (var i = 0; i < neighbor_ids.length; i++) {
 357                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 358                                 if (!cache_get("article:" + neighbor_ids[i])) {
 359                                         cids_to_request.push(neighbor_ids[i]);
 360                                         cids_requested.push(neighbor_ids[i]);
 361                                 }
 362                 }
 363
 364                 console.log("additional ids: " + cids_to_request.toString());
 365
 366                 query = query + "&cids=" + cids_to_request.toString();
 367
 368                 var article_is_unread = crow.hasClassName("Unread");
 369
 370                 setActiveArticleId(id);
 371                 showArticleInHeadlines(id);
 372
 373                 if (cached_article && article_is_unread) {
 374
 375                         query = query + "&mode=prefetch";
 376
 377                         render_article(cached_article);
 378
 379                 } else if (cached_article) {
 380
 381                         query = query + "&mode=prefetch_old";
 382                         render_article(cached_article);
 383
 384                         // if we don't need to request any relative ids, we might as well skip
 385                         // the server roundtrip altogether
 386                         if (cids_to_request.length == 0) {
 387
 388 /*                              try {
 389                                         if (!_infscroll_disable &&
 390                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 391
 392                                                         loadMoreHeadlines();
 393                                         }
 394                                 } catch (e) {
 395                                         console.warn(e);
 396                                 } */
 397
 398                                 headlines_scroll_handler($("headlines-frame"));
 399
 400                                 return;
 401                         }
 402                 }
 403
 404                 last_requested_article = id;
 405
 406                 console.log(query);
 407
 408                 if (article_is_unread) {
 409                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 410                 }
 411
 412                 new Ajax.Request("backend.php", {
 413                         parameters: query,
 414                         onComplete: function(transport) {
 415                                 article_callback2(transport, id);
 416                         } });
 417
 418                 return false;
 419
 420         } catch (e) {
 421                 exception_error("view", e);
 422         }
 423 }
 424
 425 function toggleMark(id, client_only) {
 426         try {
 427                 var query = "?op=rpc&id=" + id + "&method=mark";
 428
 429                 var img = $("FMPIC-" + id);
 430
 431                 if (!img) return;
 432
 433                 if (img.src.match("mark_unset")) {
 434                         img.src = img.src.replace("mark_unset", "mark_set");
 435                         img.alt = __("Unstar article");
 436                         query = query + "&mark=1";
 437
 438                 } else {
 439                         img.src = img.src.replace("mark_set", "mark_unset");
 440                         img.alt = __("Star article");
 441                         query = query + "&mark=0";
 442                 }
 443
 444                 if (!client_only) {
 445                         new Ajax.Request("backend.php", {
 446                                 parameters: query,
 447                                 onComplete: function(transport) {
 448                                         handle_rpc_json(transport);
 449                                 } });
 450                 }
 451
 452         } catch (e) {
 453                 exception_error("toggleMark", e);
 454         }
 455 }
 456
 457 function togglePub(id, client_only, no_effects, note) {
 458         try {
 459                 var query = "?op=rpc&id=" + id + "&method=publ";
 460
 461                 if (note != undefined) {
 462                         query = query + "&note=" + param_escape(note);
 463                 } else {
 464                         query = query + "&note=undefined";
 465                 }
 466
 467                 var img = $("FPPIC-" + id);
 468
 469                 if (!img) return;
 470
 471                 if (img.src.match("pub_unset") || note != undefined) {
 472                         img.src = img.src.replace("pub_unset", "pub_set");
 473                         img.alt = __("Unpublish article");
 474                         query = query + "&pub=1";
 475
 476                 } else {
 477                         img.src = img.src.replace("pub_set", "pub_unset");
 478                         img.alt = __("Publish article");
 479
 480                         query = query + "&pub=0";
 481                 }
 482
 483                 if (!client_only) {
 484                         new Ajax.Request("backend.php", {
 485                                 parameters: query,
 486                                 onComplete: function(transport) {
 487                                         handle_rpc_json(transport);
 488                                 } });
 489                 }
 490
 491         } catch (e) {
 492                 exception_error("togglePub", e);
 493         }
 494 }
 495
 496 function moveToPost(mode, noscroll) {
 497
 498         try {
 499
 500                 var rows = getVisibleArticleIds();
 501
 502                 var prev_id = false;
 503                 var next_id = false;
 504
 505                 if (!$('RROW-' + getActiveArticleId())) {
 506                         setActiveArticleId(0);
 507                 }
 508
 509                 if (!getActiveArticleId()) {
 510                         next_id = rows[0];
 511                         prev_id = rows[rows.length-1]
 512                 } else {
 513                         for (var i = 0; i < rows.length; i++) {
 514                                 if (rows[i] == getActiveArticleId()) {
 515
 516                                         // Account for adjacent identical article ids.
 517                                         if (i > 0) prev_id = rows[i-1];
 518
 519                                         for (var j = i+1; j < rows.length; j++) {
 520                                                 if (rows[j] != getActiveArticleId()) {
 521                                                         next_id = rows[j];
 522                                                         break;
 523                                                 }
 524                                         }
 525                                         break;
 526                                 }
 527                         }
 528                 }
 529
 530                 if (mode == "next") {
 531                         if (next_id || getActiveArticleId()) {
 532                                 if (isCdmMode()) {
 533
 534                                         var article = $("RROW-" + getActiveArticleId());
 535                                         var ctr = $("headlines-frame");
 536
 537                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 538                                                         ctr.scrollTop + ctr.offsetHeight) {
 539
 540                                                 scrollArticle(ctr.offsetHeight/2);
 541
 542                                         } else if (next_id) {
 543                                                 cdmExpandArticle(next_id);
 544                                                 cdmScrollToArticleId(next_id, noscroll);
 545                                         }
 546
 547                                 } else if (next_id) {
 548                                         correctHeadlinesOffset(next_id);
 549                                         view(next_id, getActiveFeedId());
 550                                 }
 551                         }
 552                 }
 553
 554                 if (mode == "prev") {
 555                         if (prev_id || getActiveArticleId()) {
 556                                 if (isCdmMode()) {
 557
 558                                         var article = $("RROW-" + getActiveArticleId());
 559                                         var prev_article = $("RROW-" + prev_id);
 560                                         var ctr = $("headlines-frame");
 561
 562                                         if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 563                                                 scrollArticle(-ctr.offsetHeight/3);
 564                                         } else if (!noscroll && prev_article &&
 565                                                         prev_article.offsetTop < ctr.scrollTop) {
 566                                                 cdmExpandArticle(prev_id);
 567                                                 scrollArticle(-ctr.offsetHeight/3);
 568                                         } else if (prev_id) {
 569                                                 cdmExpandArticle(prev_id);
 570                                                 cdmScrollToArticleId(prev_id, noscroll);
 571                                         }
 572                                 } else if (prev_id) {
 573                                         correctHeadlinesOffset(prev_id);
 574                                         view(prev_id, getActiveFeedId());
 575                                 }
 576                         }
 577                 }
 578
 579         } catch (e) {
 580                 exception_error("moveToPost", e);
 581         }
 582 }
 583
 584 function toggleSelected(id, force_on) {
 585         try {
 586
 587                 var cb = dijit.byId("RCHK-" + id);
 588                 var row = $("RROW-" + id);
 589
 590                 if (row) {
 591                         if (row.hasClassName('Selected') && !force_on) {
 592                                 row.removeClassName('Selected');
 593                                 if (cb) cb.attr("checked", false);
 594                         } else {
 595                                 row.addClassName('Selected');
 596                                 if (cb) cb.attr("checked", true);
 597                         }
 598                 }
 599         } catch (e) {
 600                 exception_error("toggleSelected", e);
 601         }
 602 }
 603
 604 function toggleUnread_afh(effect) {
 605         try {
 606
 607                 var elem = effect.element;
 608                 elem.style.backgroundColor = "";
 609
 610         } catch (e) {
 611                 exception_error("toggleUnread_afh", e);
 612         }
 613 }
 614
 615 function toggleUnread(id, cmode, effect) {
 616         try {
 617
 618                 var row = $("RROW-" + id);
 619                 if (row) {
 620                         if (cmode == undefined || cmode == 2) {
 621                                 if (row.hasClassName("Unread")) {
 622                                         row.removeClassName("Unread");
 623
 624                                         if (effect) {
 625                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 626                                                         afterFinish: toggleUnread_afh,
 627                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 628                                         }
 629
 630                                 } else {
 631                                         row.addClassName("Unread");
 632                                 }
 633
 634                         } else if (cmode == 0) {
 635
 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 if (cmode == 1) {
 645                                 row.addClassName("Unread");
 646                         }
 647
 648                         if (cmode == undefined) cmode = 2;
 649
 650                         var query = "?op=rpc&method=catchupSelected" +
 651                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 652
 653 //                      notify_progress("Loading, please wait...");
 654
 655                         new Ajax.Request("backend.php", {
 656                                 parameters: query,
 657                                 onComplete: function(transport) {
 658                                         handle_rpc_json(transport);
 659                                 } });
 660
 661                 }
 662
 663         } catch (e) {
 664                 exception_error("toggleUnread", e);
 665         }
 666 }
 667
 668 function selectionRemoveLabel(id, ids) {
 669         try {
 670
 671                 if (!ids) ids = getSelectedArticleIds2();
 672
 673                 if (ids.length == 0) {
 674                         alert(__("No articles are selected."));
 675                         return;
 676                 }
 677
 678                 var query = "?op=rpc&method=removeFromLabel&ids=" +
 679                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 680
 681                 console.log(query);
 682
 683                 new Ajax.Request("backend.php", {
 684                         parameters: query,
 685                         onComplete: function(transport) {
 686                                 handle_rpc_json(transport);
 687                                 show_labels_in_headlines(transport);
 688                         } });
 689
 690         } catch (e) {
 691                 exception_error("selectionAssignLabel", e);
 692
 693         }
 694 }
 695
 696 function selectionAssignLabel(id, ids) {
 697         try {
 698
 699                 if (!ids) ids = getSelectedArticleIds2();
 700
 701                 if (ids.length == 0) {
 702                         alert(__("No articles are selected."));
 703                         return;
 704                 }
 705
 706                 var query = "?op=rpc&method=assignToLabel&ids=" +
 707                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 708
 709                 console.log(query);
 710
 711                 new Ajax.Request("backend.php", {
 712                         parameters: query,
 713                         onComplete: function(transport) {
 714                                 handle_rpc_json(transport);
 715                                 show_labels_in_headlines(transport);
 716                         } });
 717
 718         } catch (e) {
 719                 exception_error("selectionAssignLabel", e);
 720
 721         }
 722 }
 723
 724 function selectionToggleUnread(set_state, callback, no_error) {
 725         try {
 726                 var rows = getSelectedArticleIds2();
 727
 728                 if (rows.length == 0 && !no_error) {
 729                         alert(__("No articles are selected."));
 730                         return;
 731                 }
 732
 733                 for (var i = 0; i < rows.length; i++) {
 734                         var row = $("RROW-" + rows[i]);
 735                         if (row) {
 736                                 if (set_state == undefined) {
 737                                         if (row.hasClassName("Unread")) {
 738                                                 row.removeClassName("Unread");
 739                                         } else {
 740                                                 row.addClassName("Unread");
 741                                         }
 742                                 }
 743
 744                                 if (set_state == false) {
 745                                         row.removeClassName("Unread");
 746                                 }
 747
 748                                 if (set_state == true) {
 749                                         row.addClassName("Unread");
 750                                 }
 751                         }
 752                 }
 753
 754                 if (rows.length > 0) {
 755
 756                         var cmode = "";
 757
 758                         if (set_state == undefined) {
 759                                 cmode = "2";
 760                         } else if (set_state == true) {
 761                                 cmode = "1";
 762                         } else if (set_state == false) {
 763                                 cmode = "0";
 764                         }
 765
 766                         var query = "?op=rpc&method=catchupSelected" +
 767                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 768
 769                         notify_progress("Loading, please wait...");
 770
 771                         new Ajax.Request("backend.php", {
 772                                 parameters: query,
 773                                 onComplete: function(transport) {
 774                                         handle_rpc_json(transport);
 775                                         if (callback) callback(transport);
 776                                 } });
 777
 778                 }
 779
 780         } catch (e) {
 781                 exception_error("selectionToggleUnread", e);
 782         }
 783 }
 784
 785 function selectionToggleMarked() {
 786         try {
 787
 788                 var rows = getSelectedArticleIds2();
 789
 790                 if (rows.length == 0) {
 791                         alert(__("No articles are selected."));
 792                         return;
 793                 }
 794
 795                 for (var i = 0; i < rows.length; i++) {
 796                         toggleMark(rows[i], true, true);
 797                 }
 798
 799                 if (rows.length > 0) {
 800
 801                         var query = "?op=rpc&method=markSelected&ids=" +
 802                                 param_escape(rows.toString()) + "&cmode=2";
 803
 804                         new Ajax.Request("backend.php", {
 805                                 parameters: query,
 806                                 onComplete: function(transport) {
 807                                         handle_rpc_json(transport);
 808                                 } });
 809
 810                 }
 811
 812         } catch (e) {
 813                 exception_error("selectionToggleMarked", e);
 814         }
 815 }
 816
 817 function selectionTogglePublished() {
 818         try {
 819
 820                 var rows = getSelectedArticleIds2();
 821
 822                 if (rows.length == 0) {
 823                         alert(__("No articles are selected."));
 824                         return;
 825                 }
 826
 827                 for (var i = 0; i < rows.length; i++) {
 828                         togglePub(rows[i], true, true);
 829                 }
 830
 831                 if (rows.length > 0) {
 832
 833                         var query = "?op=rpc&method=publishSelected&ids=" +
 834                                 param_escape(rows.toString()) + "&cmode=2";
 835
 836                         new Ajax.Request("backend.php", {
 837                                 parameters: query,
 838                                 onComplete: function(transport) {
 839                                         handle_rpc_json(transport);
 840                                 } });
 841
 842                 }
 843
 844         } catch (e) {
 845                 exception_error("selectionToggleMarked", e);
 846         }
 847 }
 848
 849 function getSelectedArticleIds2() {
 850
 851         var rv = [];
 852
 853         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 854                 function(child) {
 855                         rv.push(child.id.replace("RROW-", ""));
 856                 });
 857
 858         return rv;
 859 }
 860
 861 function getLoadedArticleIds() {
 862         var rv = [];
 863
 864         var children = $$("#headlines-frame > div[id*=RROW-]");
 865
 866         children.each(function(child) {
 867                         rv.push(child.id.replace("RROW-", ""));
 868                 });
 869
 870         return rv;
 871
 872 }
 873
 874 // mode = all,none,unread,invert,marked,published
 875 function selectArticles(mode) {
 876         try {
 877
 878                 var children = $$("#headlines-frame > div[id*=RROW]");
 879
 880                 children.each(function(child) {
 881                         var id = child.id.replace("RROW-", "");
 882                         var cb = dijit.byId("RCHK-" + id);
 883
 884                         if (mode == "all") {
 885                                 child.addClassName("Selected");
 886                                 if (cb) cb.attr("checked", true);
 887                         } else if (mode == "unread") {
 888                                 if (child.hasClassName("Unread")) {
 889                                         child.addClassName("Selected");
 890                                         if (cb) cb.attr("checked", true);
 891                                 } else {
 892                                         child.removeClassName("Selected");
 893                                         if (cb) cb.attr("checked", false);
 894                                 }
 895                         } else if (mode == "marked") {
 896                                 var img = $("FMPIC-" + child.id.replace("RROW-", ""));
 897
 898                                 if (img && img.src.match("mark_set")) {
 899                                         child.addClassName("Selected");
 900                                         if (cb) cb.attr("checked", true);
 901                                 } else {
 902                                         child.removeClassName("Selected");
 903                                         if (cb) cb.attr("checked", false);
 904                                 }
 905                         } else if (mode == "published") {
 906                                 var img = $("FPPIC-" + child.id.replace("RROW-", ""));
 907
 908                                 if (img && img.src.match("pub_set")) {
 909                                         child.addClassName("Selected");
 910                                         if (cb) cb.attr("checked", true);
 911                                 } else {
 912                                         child.removeClassName("Selected");
 913                                         if (cb) cb.attr("checked", false);
 914                                 }
 915
 916                         } else if (mode == "invert") {
 917                                 if (child.hasClassName("Selected")) {
 918                                         child.removeClassName("Selected");
 919                                         if (cb) cb.attr("checked", false);
 920                                 } else {
 921                                         child.addClassName("Selected");
 922                                         if (cb) cb.attr("checked", true);
 923                                 }
 924
 925                         } else {
 926                                 child.removeClassName("Selected");
 927                                 if (cb) cb.attr("checked", false);
 928                         }
 929                 });
 930
 931         } catch (e) {
 932                 exception_error("selectArticles", e);
 933         }
 934 }
 935
 936 function catchupPage() {
 937
 938         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 939
 940         var str = __("Mark all visible articles in %s as read?");
 941
 942         str = str.replace("%s", fn);
 943
 944         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 945                 return;
 946         }
 947
 948         selectArticles('all');
 949         selectionToggleUnread(false, 'viewCurrentFeed()', true);
 950         selectArticles('none');
 951 }
 952
 953 function deleteSelection() {
 954
 955         try {
 956
 957                 var rows = getSelectedArticleIds2();
 958
 959                 if (rows.length == 0) {
 960                         alert(__("No articles are selected."));
 961                         return;
 962                 }
 963
 964                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 965                 var str;
 966
 967                 if (getActiveFeedId() != 0) {
 968                         str = __("Delete %d selected articles in %s?");
 969                 } else {
 970                         str = __("Delete %d selected articles?");
 971                 }
 972
 973                 str = str.replace("%d", rows.length);
 974                 str = str.replace("%s", fn);
 975
 976                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 977                         return;
 978                 }
 979
 980                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
 981
 982                 console.log(query);
 983
 984                 new Ajax.Request("backend.php", {
 985                         parameters: query,
 986                         onComplete: function(transport) {
 987                                         handle_rpc_json(transport);
 988                                         viewCurrentFeed();
 989                                 } });
 990
 991         } catch (e) {
 992                 exception_error("deleteSelection", e);
 993         }
 994 }
 995
 996 function archiveSelection() {
 997
 998         try {
 999
1000                 var rows = getSelectedArticleIds2();
1001
1002                 if (rows.length == 0) {
1003                         alert(__("No articles are selected."));
1004                         return;
1005                 }
1006
1007                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1008                 var str;
1009                 var op;
1010
1011                 if (getActiveFeedId() != 0) {
1012                         str = __("Archive %d selected articles in %s?");
1013                         op = "archive";
1014                 } else {
1015                         str = __("Move %d archived articles back?");
1016                         op = "unarchive";
1017                 }
1018
1019                 str = str.replace("%d", rows.length);
1020                 str = str.replace("%s", fn);
1021
1022                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1023                         return;
1024                 }
1025
1026                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1027
1028                 console.log(query);
1029
1030                 for (var i = 0; i < rows.length; i++) {
1031                         cache_delete("article:" + rows[i]);
1032                 }
1033
1034                 new Ajax.Request("backend.php", {
1035                         parameters: query,
1036                         onComplete: function(transport) {
1037                                         handle_rpc_json(transport);
1038                                         viewCurrentFeed();
1039                                 } });
1040
1041         } catch (e) {
1042                 exception_error("archiveSelection", e);
1043         }
1044 }
1045
1046 function catchupSelection() {
1047
1048         try {
1049
1050                 var rows = getSelectedArticleIds2();
1051
1052                 if (rows.length == 0) {
1053                         alert(__("No articles are selected."));
1054                         return;
1055                 }
1056
1057                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1058
1059                 var str = __("Mark %d selected articles in %s as read?");
1060
1061                 str = str.replace("%d", rows.length);
1062                 str = str.replace("%s", fn);
1063
1064                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1065                         return;
1066                 }
1067
1068                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1069
1070         } catch (e) {
1071                 exception_error("catchupSelection", e);
1072         }
1073 }
1074
1075 function editArticleTags(id) {
1076                 var query = "backend.php?op=dlg&method=editArticleTags&param=" + param_escape(id);
1077
1078                 if (dijit.byId("editTagsDlg"))
1079                         dijit.byId("editTagsDlg").destroyRecursive();
1080
1081                 dialog = new dijit.Dialog({
1082                         id: "editTagsDlg",
1083                         title: __("Edit article Tags"),
1084                         style: "width: 600px",
1085                         execute: function() {
1086                                 if (this.validate()) {
1087                                         var query = dojo.objectToQuery(this.attr('value'));
1088
1089                                         notify_progress("Saving article tags...", true);
1090
1091                                         new Ajax.Request("backend.php", {
1092                                         parameters: query,
1093                                         onComplete: function(transport) {
1094                                                 notify('');
1095                                                 dialog.hide();
1096
1097                                                 var data = JSON.parse(transport.responseText);
1098
1099                                                 if (data) {
1100                                                         var tags_str = article.tags;
1101                                                         var id = tags_str.id;
1102
1103                                                         var tags = $("ATSTR-" + id);
1104                                                         var tooltip = dijit.byId("ATSTRTIP-" + id);
1105
1106                                                         if (tags) tags.innerHTML = tags_str.content;
1107                                                         if (tooltip) tooltip.attr('label', tags_str.content_full);
1108
1109                                                         cache_delete("article:" + id);
1110                                                 }
1111
1112                                         }});
1113                                 }
1114                         },
1115                         href: query,
1116                 });
1117
1118                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1119                 dojo.disconnect(tmph);
1120
1121                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1122                            "backend.php?op=rpc&method=completeTags",
1123                            { tokens: ',', paramName: "search" });
1124                 });
1125
1126                 dialog.show();
1127
1128 }
1129
1130 function cdmScrollToArticleId(id, force) {
1131         try {
1132                 var ctr = $("headlines-frame");
1133                 var e = $("RROW-" + id);
1134
1135                 if (!e || !ctr) return;
1136
1137                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1138                                 e.offsetTop < ctr.scrollTop) {
1139                         ctr.scrollTop = e.offsetTop;
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(id) {
1156         post_under_pointer = id;
1157 }
1158
1159 function postMouseOut(id) {
1160         post_under_pointer = false;
1161 }
1162
1163 function headlines_scroll_handler(e) {
1164         try {
1165                 var hsp = $("headlines-spacer");
1166
1167                 if (!_infscroll_disable) {
1168                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1169                                         (e.scrollHeight != 0 &&
1170                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1171
1172                                 if (hsp)
1173                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1174                                                 __("Loading, please wait...");
1175
1176                                 loadMoreHeadlines();
1177                                 return;
1178
1179                         }
1180                 } else {
1181                         if (hsp) hsp.innerHTML = "";
1182                 }
1183
1184                 if (getInitParam("cdm_auto_catchup") == 1) {
1185
1186                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1187                                 function(child) {
1188                                         if ($("headlines-frame").scrollTop >
1189                                                         (child.offsetTop + child.offsetHeight/2)) {
1190
1191                                                 var id = child.id.replace("RROW-", "");
1192
1193                                                 if (catchup_id_batch.indexOf(id) == -1)
1194                                                         catchup_id_batch.push(id);
1195
1196                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1197                                         }
1198                                 });
1199
1200                         if (catchup_id_batch.length > 0) {
1201                                 window.clearTimeout(catchup_timeout_id);
1202
1203                                 if (!_infscroll_request_sent) {
1204                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1205                                                 2000);
1206                                 }
1207                         }
1208                 }
1209
1210         } catch (e) {
1211                 console.warn("headlines_scroll_handler: " + e);
1212         }
1213 }
1214
1215 function catchupBatchedArticles() {
1216         try {
1217                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1218
1219                         // make a copy of the array
1220                         var batch = catchup_id_batch.slice();
1221                         var query = "?op=rpc&method=catchupSelected" +
1222                                 "&cmode=0&ids=" + param_escape(batch.toString());
1223
1224                         console.log(query);
1225
1226                         new Ajax.Request("backend.php", {
1227                                 parameters: query,
1228                                 onComplete: function(transport) {
1229                                         handle_rpc_json(transport);
1230
1231                                         batch.each(function(id) {
1232                                                 var elem = $("RROW-" + id);
1233                                                 if (elem) elem.removeClassName("Unread");
1234                                                 catchup_id_batch.remove(id);
1235                                         });
1236
1237                                 } });
1238                 }
1239
1240         } catch (e) {
1241                 exception_error("catchupBatchedArticles", e);
1242         }
1243 }
1244
1245 function catchupRelativeToArticle(below, id) {
1246
1247         try {
1248
1249                 if (!id) id = getActiveArticleId();
1250
1251                 if (!id) {
1252                         alert(__("No article is selected."));
1253                         return;
1254                 }
1255
1256                 var visible_ids = getVisibleArticleIds();
1257
1258                 var ids_to_mark = new Array();
1259
1260                 if (!below) {
1261                         for (var i = 0; i < visible_ids.length; i++) {
1262                                 if (visible_ids[i] != id) {
1263                                         var e = $("RROW-" + visible_ids[i]);
1264
1265                                         if (e && e.hasClassName("Unread")) {
1266                                                 ids_to_mark.push(visible_ids[i]);
1267                                         }
1268                                 } else {
1269                                         break;
1270                                 }
1271                         }
1272                 } else {
1273                         for (var i = visible_ids.length-1; i >= 0; i--) {
1274                                 if (visible_ids[i] != id) {
1275                                         var e = $("RROW-" + visible_ids[i]);
1276
1277                                         if (e && e.hasClassName("Unread")) {
1278                                                 ids_to_mark.push(visible_ids[i]);
1279                                         }
1280                                 } else {
1281                                         break;
1282                                 }
1283                         }
1284                 }
1285
1286                 if (ids_to_mark.length == 0) {
1287                         alert(__("No articles found to mark"));
1288                 } else {
1289                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1290
1291                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1292
1293                                 for (var i = 0; i < ids_to_mark.length; i++) {
1294                                         var e = $("RROW-" + ids_to_mark[i]);
1295                                         e.removeClassName("Unread");
1296                                 }
1297
1298                                 var query = "?op=rpc&method=catchupSelected" +
1299                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1300
1301                                 new Ajax.Request("backend.php", {
1302                                         parameters: query,
1303                                         onComplete: function(transport) {
1304                                                 handle_rpc_json(transport);
1305                                         } });
1306
1307                         }
1308                 }
1309
1310         } catch (e) {
1311                 exception_error("catchupRelativeToArticle", e);
1312         }
1313 }
1314
1315 function cdmExpandArticle(id) {
1316         try {
1317
1318                 hideAuxDlg();
1319
1320                 var elem = $("CICD-" + getActiveArticleId());
1321
1322                 if (id == getActiveArticleId() && Element.visible(elem))
1323                         return true;
1324
1325                 selectArticles("none");
1326
1327                 var old_offset = $("RROW-" + id).offsetTop;
1328
1329                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1330                         Element.hide(elem);
1331                         Element.show("CEXC-" + getActiveArticleId());
1332                 }
1333
1334                 setActiveArticleId(id);
1335
1336                 elem = $("CICD-" + id);
1337
1338                 if (!Element.visible(elem)) {
1339                         Element.show(elem);
1340                         Element.hide("CEXC-" + id);
1341                 }
1342
1343                 /* var new_offset = $("RROW-" + id).offsetTop;
1344
1345                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1346
1347                 if ($("RROW-" + id).offsetTop != old_offset)
1348                         $("headlines-frame").scrollTop = new_offset; */
1349
1350                 toggleUnread(id, 0, true);
1351                 toggleSelected(id);
1352
1353         } catch (e) {
1354                 exception_error("cdmExpandArticle", e);
1355         }
1356
1357         return false;
1358 }
1359
1360 function fixHeadlinesOrder(ids) {
1361         try {
1362                 for (var i = 0; i < ids.length; i++) {
1363                         var e = $("RROW-" + ids[i]);
1364
1365                         if (e) {
1366                                 if (i % 2 == 0) {
1367                                         e.removeClassName("even");
1368                                         e.addClassName("odd");
1369                                 } else {
1370                                         e.removeClassName("odd");
1371                                         e.addClassName("even");
1372                                 }
1373                         }
1374                 }
1375         } catch (e) {
1376                 exception_error("fixHeadlinesOrder", e);
1377         }
1378 }
1379
1380 function getArticleUnderPointer() {
1381         return post_under_pointer;
1382 }
1383
1384 function scrollArticle(offset) {
1385         try {
1386                 if (!isCdmMode()) {
1387                         var ci = $("content-insert");
1388                         if (ci) {
1389                                 ci.scrollTop += offset;
1390                         }
1391                 } else {
1392                         var hi = $("headlines-frame");
1393                         if (hi) {
1394                                 hi.scrollTop += offset;
1395                         }
1396
1397                 }
1398         } catch (e) {
1399                 exception_error("scrollArticle", e);
1400         }
1401 }
1402
1403 function show_labels_in_headlines(transport) {
1404         try {
1405                 var data = JSON.parse(transport.responseText);
1406
1407                 if (data) {
1408                         data['info-for-headlines'].each(function(elem) {
1409                                 var ctr = $("HLLCTR-" + elem.id);
1410
1411                                 if (ctr) ctr.innerHTML = elem.labels;
1412                         });
1413                 }
1414         } catch (e) {
1415                 exception_error("show_labels_in_headlines", e);
1416         }
1417 }
1418
1419 function dismissArticle(id) {
1420         try {
1421                 var elem = $("RROW-" + id);
1422
1423                 toggleUnread(id, 0, true);
1424
1425                 new Effect.Fade(elem, {duration : 0.5});
1426
1427                 if (id == getActiveArticleId()) {
1428                         setActiveArticleId(0);
1429                 }
1430
1431         } catch (e) {
1432                 exception_error("dismissArticle", e);
1433         }
1434 }
1435
1436 function dismissSelectedArticles() {
1437         try {
1438
1439                 var ids = getVisibleArticleIds();
1440                 var tmp = [];
1441                 var sel = [];
1442
1443                 for (var i = 0; i < ids.length; i++) {
1444                         var elem = $("RROW-" + ids[i]);
1445
1446                         if (elem.className && elem.hasClassName("Selected") &&
1447                                         ids[i] != getActiveArticleId()) {
1448                                 new Effect.Fade(elem, {duration : 0.5});
1449                                 sel.push(ids[i]);
1450                         } else {
1451                                 tmp.push(ids[i]);
1452                         }
1453                 }
1454
1455                 if (sel.length > 0)
1456                         selectionToggleUnread(false);
1457
1458                 fixHeadlinesOrder(tmp);
1459
1460         } catch (e) {
1461                 exception_error("dismissSelectedArticles", e);
1462         }
1463 }
1464
1465 function dismissReadArticles() {
1466         try {
1467
1468                 var ids = getVisibleArticleIds();
1469                 var tmp = [];
1470
1471                 for (var i = 0; i < ids.length; i++) {
1472                         var elem = $("RROW-" + ids[i]);
1473
1474                         if (elem.className && !elem.hasClassName("Unread") &&
1475                                         !elem.hasClassName("Selected")) {
1476
1477                                 new Effect.Fade(elem, {duration : 0.5});
1478                         } else {
1479                                 tmp.push(ids[i]);
1480                         }
1481                 }
1482
1483                 fixHeadlinesOrder(tmp);
1484
1485         } catch (e) {
1486                 exception_error("dismissSelectedArticles", e);
1487         }
1488 }
1489
1490 function getVisibleArticleIds() {
1491         var ids = [];
1492
1493         try {
1494
1495                 getLoadedArticleIds().each(function(id) {
1496                         var elem = $("RROW-" + id);
1497                         if (elem && Element.visible(elem))
1498                                 ids.push(id);
1499                         });
1500
1501         } catch (e) {
1502                 exception_error("getVisibleArticleIds", e);
1503         }
1504
1505         return ids;
1506 }
1507
1508 function cdmClicked(event, id) {
1509         try {
1510                 //var shift_key = event.shiftKey;
1511
1512                 hideAuxDlg();
1513
1514                 if (!event.ctrlKey) {
1515
1516                         if (!getInitParam("cdm_expanded")) {
1517                                 return cdmExpandArticle(id);
1518                         } else {
1519
1520                                 selectArticles("none");
1521                                 toggleSelected(id);
1522
1523                                 var elem = $("RROW-" + id);
1524                                 var article_is_unread = elem.hasClassName("Unread");
1525
1526                                 if (elem)
1527                                         elem.removeClassName("Unread");
1528
1529                                 setActiveArticleId(id);
1530
1531                                 if (article_is_unread) {
1532                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1533                                 }
1534
1535                                 var query = "?op=rpc&method=catchupSelected" +
1536                                         "&cmode=0&ids=" + param_escape(id);
1537
1538                                 new Ajax.Request("backend.php", {
1539                                         parameters: query,
1540                                         onComplete: function(transport) {
1541                                                 handle_rpc_json(transport);
1542                                         } });
1543
1544                                 return !event.shiftKey;
1545                         }
1546
1547                 } else {
1548                         toggleSelected(id, true);
1549
1550                         var elem = $("RROW-" + id);
1551                         var article_is_unread = elem.hasClassName("Unread");
1552
1553                         if (article_is_unread) {
1554                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1555                         }
1556
1557                         toggleUnread(id, 0, false);
1558
1559                         openArticleInNewWindow(id);
1560                 }
1561
1562                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1563                 request_counters(unread_in_buffer == 0);
1564
1565         } catch (e) {
1566                 exception_error("cdmClicked");
1567         }
1568
1569         return false;
1570 }
1571
1572 function hlClicked(event, id) {
1573         try {
1574                 if (event.which == 2) {
1575                         view(id);
1576                         return true;
1577                 } else if (event.ctrlKey) {
1578                         toggleSelected(id, true);
1579                         toggleUnread(id, 0, false);
1580                         openArticleInNewWindow(id);
1581                         return false;
1582                 } else {
1583                         view(id);
1584                         return false;
1585                 }
1586
1587         } catch (e) {
1588                 exception_error("hlClicked");
1589         }
1590 }
1591
1592 function getFirstVisibleHeadlineId() {
1593         var rows = getVisibleArticleIds();
1594         return rows[0];
1595
1596 }
1597
1598 function getLastVisibleHeadlineId() {
1599         var rows = getVisibleArticleIds();
1600         return rows[rows.length-1];
1601 }
1602
1603 function openArticleInNewWindow(id) {
1604         toggleUnread(id, 0, false);
1605         window.open("backend.php?op=article&method=redirect&id=" + id);
1606 }
1607
1608 function isCdmMode() {
1609         return getInitParam("combined_display_mode");
1610 }
1611
1612 function markHeadline(id) {
1613         var row = $("RROW-" + id);
1614         if (row) {
1615                 var check = dijit.byId("RCHK-" + id);
1616
1617                 if (check) {
1618                         check.attr("checked", true);
1619                 }
1620
1621                 row.addClassName("Selected");
1622         }
1623 }
1624
1625 function getRelativePostIds(id, limit) {
1626
1627         var tmp = [];
1628
1629         try {
1630
1631                 if (!limit) limit = 6; //3
1632
1633                 var ids = getVisibleArticleIds();
1634
1635                 for (var i = 0; i < ids.length; i++) {
1636                         if (ids[i] == id) {
1637                                 for (var k = 1; k <= limit; k++) {
1638                                         //if (i > k-1) tmp.push(ids[i-k]);
1639                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1640                                 }
1641                                 break;
1642                         }
1643                 }
1644
1645         } catch (e) {
1646                 exception_error("getRelativePostIds", e);
1647         }
1648
1649         return tmp;
1650 }
1651
1652 function correctHeadlinesOffset(id) {
1653
1654         try {
1655
1656                 var container = $("headlines-frame");
1657                 var row = $("RROW-" + id);
1658
1659                 if (!container || !row) return;
1660
1661                 var viewport = container.offsetHeight;
1662
1663                 var rel_offset_top = row.offsetTop - container.scrollTop;
1664                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1665
1666                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1667                 //console.log("Vport: " + viewport);
1668
1669                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1670                         container.scrollTop = row.offsetTop;
1671                 } else if (rel_offset_bottom > viewport) {
1672
1673                         /* doesn't properly work with Opera in some cases because
1674                                 Opera fucks up element scrolling */
1675
1676                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1677                 }
1678
1679         } catch (e) {
1680                 exception_error("correctHeadlinesOffset", e);
1681         }
1682
1683 }
1684
1685 function headlineActionsChange(elem) {
1686         try {
1687                 eval(elem.value);
1688                 elem.attr('value', 'false');
1689         } catch (e) {
1690                 exception_error("headlineActionsChange", e);
1691         }
1692 }
1693
1694 function closeArticlePanel() {
1695
1696         if (dijit.byId("content-insert"))
1697                 dijit.byId("headlines-wrap-inner").removeChild(
1698                         dijit.byId("content-insert"));
1699 }
1700
1701 function initHeadlinesMenu() {
1702         try {
1703                 if (dijit.byId("headlinesMenu"))
1704                         dijit.byId("headlinesMenu").destroyRecursive();
1705
1706                 var ids = [];
1707
1708                 if (!isCdmMode()) {
1709                         nodes = $$("#headlines-frame > div[id*=RROW]");
1710                 } else {
1711                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1712                 }
1713
1714                 nodes.each(function(node) {
1715                         ids.push(node.id);
1716                 });
1717
1718                 var menu = new dijit.Menu({
1719                         id: "headlinesMenu",
1720                         targetNodeIds: ids,
1721                 });
1722
1723                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1724                         var callerNode = event.target, match = null, tries = 0;
1725
1726                         while (match == null && callerNode && tries <= 3) {
1727                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1728                                 callerNode = callerNode.parentNode;
1729                                 ++tries;
1730                         }
1731
1732                         if (match) this.callerRowId = parseInt(match[1]);
1733
1734                 });
1735
1736 /*              if (!isCdmMode())
1737                         menu.addChild(new dijit.MenuItem({
1738                                 label: __("View article"),
1739                                 onClick: function(event) {
1740                                         view(this.getParent().callerRowId);
1741                                 }})); */
1742
1743                 menu.addChild(new dijit.MenuItem({
1744                         label: __("Open original article"),
1745                         onClick: function(event) {
1746                                 openArticleInNewWindow(this.getParent().callerRowId);
1747                         }}));
1748
1749                 menu.addChild(new dijit.MenuSeparator());
1750
1751                 menu.addChild(new dijit.MenuItem({
1752                         label: __("Mark above as read"),
1753                         onClick: function(event) {
1754                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
1755                                 }}));
1756
1757                 menu.addChild(new dijit.MenuItem({
1758                         label: __("Mark below as read"),
1759                         onClick: function(event) {
1760                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
1761                                 }}));
1762
1763
1764                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1765
1766                 if (labels) {
1767
1768                         menu.addChild(new dijit.MenuSeparator());
1769
1770                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1771                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1772
1773                         labels.each(function(label) {
1774                                 var id = label.id[0];
1775                                 var bare_id = id.substr(id.indexOf(":")+1);
1776                                 var name = label.name[0];
1777
1778                                 bare_id = -11-bare_id;
1779
1780                                 labelAddMenu.addChild(new dijit.MenuItem({
1781                                         label: name,
1782                                         labelId: bare_id,
1783                                         onClick: function(event) {
1784                                                 var ids = getSelectedArticleIds2();
1785                                                 // cast to string
1786                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1787
1788                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1789
1790                                                 selectionAssignLabel(this.labelId, ids);
1791                                 }}));
1792
1793                                 labelDelMenu.addChild(new dijit.MenuItem({
1794                                         label: name,
1795                                         labelId: bare_id,
1796                                         onClick: function(event) {
1797                                                 var ids = getSelectedArticleIds2();
1798                                                 // cast to string
1799                                                 var id = this.getParent().ownerMenu.callerRowId + "";
1800
1801                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1802
1803                                                 selectionRemoveLabel(this.labelId, ids);
1804                                 }}));
1805
1806                         });
1807
1808                         menu.addChild(new dijit.PopupMenuItem({
1809                                 label: __("Assign label"),
1810                                 popup: labelAddMenu,
1811                         }));
1812
1813                         menu.addChild(new dijit.PopupMenuItem({
1814                                 label: __("Remove label"),
1815                                 popup: labelDelMenu,
1816                         }));
1817
1818                 }
1819
1820                 menu.startup();
1821
1822         } catch (e) {
1823                 exception_error("initHeadlinesMenu", e);
1824         }
1825 }
1826
1827
1828 function player(elem) {
1829         var aid = elem.getAttribute("audio-id");
1830         var status = elem.getAttribute("status");
1831
1832         var audio = $(aid);
1833
1834         if (audio) {
1835                 if (status == 0) {
1836                         audio.play();
1837                         status = 1;
1838                         elem.innerHTML = __("Playing...");
1839                         elem.title = __("Click to pause");
1840                         elem.addClassName("playing");
1841                 } else {
1842                         audio.pause();
1843                         status = 0;
1844                         elem.innerHTML = __("Play");
1845                         elem.title = __("Click to play");
1846                         elem.removeClassName("playing");
1847                 }
1848
1849                 elem.setAttribute("status", status);
1850         } else {
1851                 alert("Your browser doesn't seem to support HTML5 audio.");
1852         }
1853 }
1854
1855 function cache_set(id, obj) {
1856         //console.log("cache_set: " + id);
1857         if (has_storage)
1858                 try {
1859                         sessionStorage[id] = obj;
1860                 } catch (e) {
1861                         sessionStorage.clear();
1862                 }
1863 }
1864
1865 function cache_get(id) {
1866         if (has_storage)
1867                 return sessionStorage[id];
1868 }
1869
1870 function cache_clear() {
1871         if (has_storage)
1872                 sessionStorage.clear();
1873 }
1874
1875 function cache_delete(id) {
1876         if (has_storage)
1877                 sessionStorage.removeItem(id);
1878 }
1879
1880 function cancelSearch() {
1881         try {
1882                 _search_query = "";
1883                 viewCurrentFeed();
1884         } catch (e) {
1885                 exception_error("cancelSearch", e);
1886         }
1887 }
1888
1889 function setSelectionScore() {
1890         try {
1891                 var ids = getSelectedArticleIds2();
1892
1893                 if (ids.length > 0) {
1894                         console.log(ids);
1895
1896                         var score = prompt(__("Please enter new score for selected articles:"), score);
1897
1898                         if (score != undefined) {
1899                                 var query = "op=rpc&method=setScore&id=" + param_escape(ids.toString()) +
1900                                         "&score=" + param_escape(score);
1901
1902                                 new Ajax.Request("backend.php", {
1903                                         parameters: query,
1904                                         onComplete: function(transport) {
1905                                                 var reply = JSON.parse(transport.responseText);
1906                                                 if (reply) {
1907                                                         console.log(ids);
1908
1909                                                         ids.each(function(id) {
1910                                                                 var row = $("RROW-" + id);
1911
1912                                                                 if (row) {
1913                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
1914
1915                                                                         if (pic) {
1916                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
1917                                                                                         reply["score_pic"]);
1918                                                                                 pic.setAttribute("score", score);
1919                                                                         }
1920                                                                 }
1921                                                         });
1922                                                 }
1923                                         } });
1924                         }
1925
1926                 } else {
1927                         alert(__("No articles are selected."));
1928                 }
1929         } catch (e) {
1930                 exception_error("setSelectionScore", e);
1931         }
1932 }
1933
1934 function changeScore(id, pic) {
1935         try {
1936                 var score = pic.getAttribute("score");
1937
1938                 var new_score = prompt(__("Please enter new score for this article:"), score);
1939
1940                 if (new_score != undefined) {
1941
1942                         var query = "op=rpc&method=setScore&id=" + param_escape(id) +
1943                                 "&score=" + param_escape(new_score);
1944
1945                         new Ajax.Request("backend.php", {
1946                                 parameters: query,
1947                                 onComplete: function(transport) {
1948                                         var reply = JSON.parse(transport.responseText);
1949
1950                                         if (reply) {
1951                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
1952                                                 pic.setAttribute("score", new_score);
1953                                         }
1954                                 } });
1955                 }
1956         } catch (e) {
1957                 exception_error("changeScore", e);
1958         }
1959 }