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 var current_first_id = 0;
  17
  18 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  19
  20 function headlines_callback2(transport, offset, background, infscroll_req) {
  21         try {
  22                 handle_rpc_json(transport);
  23
  24                 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                                 content = content + "<div id='headlines-spacer'></div>";
  46                                 return;
  47                         }
  48
  49                         if (feed_id != getActiveFeedId() || is_cat != activeFeedIsCat())
  50                                 return;
  51
  52                         /* dijit.getEnclosingWidget(
  53                                 document.forms["main_toolbar_form"].update).attr('disabled',
  54                                         is_cat || feed_id <= 0); */
  55
  56                         try {
  57                                 if (infscroll_req == false) {
  58                                         $("headlines-frame").scrollTop = 0;
  59
  60                                         $("floatingTitle").style.visibility = "hidden";
  61                                         $("floatingTitle").setAttribute("rowid", 0);
  62                                         $("floatingTitle").innerHTML = "";
  63                                 }
  64                         } catch (e) { };
  65
  66                         $("headlines-frame").removeClassName("cdm");
  67                         $("headlines-frame").removeClassName("normal");
  68
  69                         $("headlines-frame").addClassName(isCdmMode() ? "cdm" : "normal");
  70
  71                         var headlines_count = reply['headlines-info']['count'];
  72
  73                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  74
  75                         if (parseInt(headlines_count) < 30) {
  76                                 _infscroll_disable = 1;
  77                         } else {
  78                                 _infscroll_disable = 0;
  79                         }
  80
  81                         current_first_id = reply['headlines']['first_id'];
  82                         var counters = reply['counters'];
  83                         var articles = reply['articles'];
  84                         //var runtime_info = reply['runtime-info'];
  85
  86                         if (infscroll_req == false) {
  87                                 loaded_article_ids = [];
  88
  89                                 dojo.html.set($("headlines-toolbar"),
  90                                                 reply['headlines']['toolbar'],
  91                                                 {parseContent: true});
  92
  93                                 dijit.byId("headlines-frame").attr("content", "");
  94
  95                                 var tmp = new Element("div");
  96
  97                                 reply['headlines']['content'].each(function(row) {
  98                                         if (loaded_article_ids.indexOf(row.id) == -1) {
  99                                                 loaded_article_ids.push(row.id);
 100                                         }
 101
 102                                         tmp.innerHTML += row.html;
 103                                 });
 104
 105                                 dojo.parser.parse(tmp);
 106                                 dijit.byId("headlines-frame").attr("content", tmp.innerHTML);
 107
 108                                 var hsp = $("headlines-spacer");
 109                                 if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 110                                 dijit.byId('headlines-frame').domNode.appendChild(hsp);
 111
 112                                 initHeadlinesMenu();
 113
 114                                 if (_infscroll_disable)
 115                                         hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 116                                                 __("Click to open next unread feed.") + "</a>";
 117
 118                                 if (_search_query) {
 119                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 120                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 121                                                 "</span>";
 122                                 }
 123
 124                         } else {
 125
 126                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 127                                         console.log("adding some more headlines: " + headlines_count);
 128
 129                                         var c = dijit.byId("headlines-frame");
 130                                         var ids = getSelectedArticleIds2();
 131
 132                                         var hsp = $("headlines-spacer");
 133
 134                                         if (hsp)
 135                                                 c.domNode.removeChild(hsp);
 136
 137                                         var tmp = new Element("div");
 138
 139                                         reply['headlines']['content'].each(function(row) {
 140                                                 if (loaded_article_ids.indexOf(row.id) == -1 || row.kind == 'feed_title') {
 141                                                         loaded_article_ids.push(row.id);
 142
 143                                                         tmp.innerHTML += row.html;
 144
 145                                                 }
 146                                         });
 147
 148                                         dojo.parser.parse(tmp);
 149
 150                                         while (tmp.hasChildNodes()) {
 151                                                 dijit.byId("headlines-frame").domNode.appendChild(tmp.removeChild(tmp.firstChild));
 152                                         }
 153
 154                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 155                                         c.domNode.appendChild(hsp);
 156
 157                                         if (reply['headlines']['content'].size() == 0) _infscroll_disable = true;
 158
 159                                         console.log("restore selected ids: " + ids);
 160
 161                                         for (var i = 0; i < ids.length; i++) {
 162                                                 markHeadline(ids[i]);
 163                                         }
 164
 165                                         initHeadlinesMenu();
 166
 167                                         if (_infscroll_disable) {
 168                                                 hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 169                                                 __("Click to open next unread feed.") + "</a>";
 170                                         }
 171
 172                                 } else {
 173                                         console.log("no new headlines received");
 174
 175                                         var first_id_changed = reply['headlines']['first_id_changed'];
 176                                         console.log("first id changed:" + first_id_changed);
 177
 178                                         var hsp = $("headlines-spacer");
 179
 180                                         if (hsp) {
 181                                                 if (first_id_changed) {
 182                                                         hsp.innerHTML = "<a href='#' onclick='viewCurrentFeed()'>" +
 183                                                         __("New articles found, reload feed to continue.") + "</a>";
 184                                                 } else {
 185                                                         hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
 186                                                         __("Click to open next unread feed.") + "</a>";
 187                                                 }
 188
 189                                         }
 190
 191                                 }
 192                         }
 193
 194                         if (articles) {
 195                                 for (var i = 0; i < articles.length; i++) {
 196                                         var a_id = articles[i]['id'];
 197                                         cache_set("article:" + a_id, articles[i]['content']);
 198                                 }
 199                         } else {
 200                                 console.log("no cached articles received");
 201                         }
 202
 203                         if (counters)
 204                                 parse_counters(counters);
 205                         else
 206                                 request_counters(true);
 207
 208                 } else {
 209                         console.error("Invalid object received: " + transport.responseText);
 210                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 211                                         __('Could not update headlines (invalid object received - see error console for details)') +
 212                                         "</div>");
 213                 }
 214
 215                 _infscroll_request_sent = 0;
 216                 _last_headlines_update = new Date().getTime();
 217
 218                 unpackVisibleHeadlines();
 219
 220                 // if we have some more space in the buffer, why not try to fill it
 221
 222                 if (!_infscroll_disable && $("headlines-spacer") &&
 223                                 $("headlines-spacer").offsetTop < $("headlines-frame").offsetHeight) {
 224
 225                         window.setTimeout(function() {
 226                                 loadMoreHeadlines();
 227                         }, 250);
 228                 }
 229
 230                 notify("");
 231
 232         } catch (e) {
 233                 exception_error("headlines_callback2", e, transport);
 234         }
 235 }
 236
 237 function render_article(article) {
 238         try {
 239                 dijit.byId("headlines-wrap-inner").addChild(
 240                                 dijit.byId("content-insert"));
 241
 242                 var c = dijit.byId("content-insert");
 243
 244                 try {
 245                         c.domNode.scrollTop = 0;
 246                 } catch (e) { };
 247
 248                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED, article);
 249
 250                 c.attr('content', article);
 251
 252                 correctHeadlinesOffset(getActiveArticleId());
 253
 254                 try {
 255                         c.focus();
 256                 } catch (e) { };
 257
 258         } catch (e) {
 259                 exception_error("render_article", e);
 260         }
 261 }
 262
 263 function showArticleInHeadlines(id, noexpand) {
 264
 265         try {
 266                 selectArticles("none");
 267
 268                 var crow = $("RROW-" + id);
 269
 270                 if (!crow) return;
 271
 272                 var article_is_unread = crow.hasClassName("Unread");
 273
 274                 if (!noexpand)
 275                         crow.removeClassName("Unread");
 276                 crow.addClassName("active");
 277
 278                 selectArticles('none');
 279
 280                 var view_mode = false;
 281
 282                 try {
 283                         view_mode = document.forms['main_toolbar_form'].view_mode;
 284                         view_mode = view_mode[view_mode.selectedIndex].value;
 285                 } catch (e) {
 286                         //
 287                 }
 288
 289                 markHeadline(id);
 290
 291                 if (article_is_unread && !noexpand)
 292                         _force_scheduled_update = true;
 293
 294         } catch (e) {
 295                 exception_error("showArticleInHeadlines", e);
 296         }
 297 }
 298
 299 function article_callback2(transport, id) {
 300         try {
 301                 console.log("article_callback2 " + id);
 302
 303                 handle_rpc_json(transport);
 304
 305                 var reply = false;
 306
 307                 try {
 308                         reply = JSON.parse(transport.responseText);
 309                 } catch (e) {
 310                         console.error(e);
 311                 }
 312
 313                 if (reply) {
 314
 315                         reply.each(function(article) {
 316                                 if (getActiveArticleId() == article['id']) {
 317                                         render_article(article['content']);
 318                                 }
 319                                 cids_requested.remove(article['id']);
 320
 321                                 cache_set("article:" + article['id'], article['content']);
 322                         });
 323
 324 //                      if (id != last_requested_article) {
 325 //                              console.log("requested article id is out of sequence, aborting");
 326 //                              return;
 327 //                      }
 328
 329                 } else {
 330                         console.error("Invalid object received: " + transport.responseText);
 331
 332                         render_article("<div class='whiteBox'>" +
 333                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 334                 }
 335
 336                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 337                 request_counters(unread_in_buffer == 0);
 338
 339                 notify("");
 340         } catch (e) {
 341                 exception_error("article_callback2", e, transport);
 342         }
 343 }
 344
 345 function view(id, activefeed, noexpand) {
 346         try {
 347                 var oldrow = $("RROW-" + getActiveArticleId());
 348                 if (oldrow) oldrow.removeClassName("active");
 349
 350                 var crow = $("RROW-" + id);
 351
 352                 if (!crow) return;
 353                 if (noexpand) {
 354                         setActiveArticleId(id);
 355                         showArticleInHeadlines(id, noexpand);
 356                         return;
 357                 }
 358
 359                 console.log("loading article: " + id);
 360
 361                 var cached_article = cache_get("article:" + id);
 362
 363                 console.log("cache check result: " + (cached_article != false));
 364
 365                 var query = "?op=article&method=view&id=" + param_escape(id);
 366
 367                 var neighbor_ids = getRelativePostIds(id);
 368
 369                 /* only request uncached articles */
 370
 371                 var cids_to_request = [];
 372
 373                 for (var i = 0; i < neighbor_ids.length; i++) {
 374                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 375                                 if (!cache_get("article:" + neighbor_ids[i])) {
 376                                         cids_to_request.push(neighbor_ids[i]);
 377                                         cids_requested.push(neighbor_ids[i]);
 378                                 }
 379                 }
 380
 381                 console.log("additional ids: " + cids_to_request.toString());
 382
 383                 query = query + "&cids=" + cids_to_request.toString();
 384
 385                 var article_is_unread = crow.hasClassName("Unread");
 386
 387                 setActiveArticleId(id);
 388                 showArticleInHeadlines(id);
 389
 390                 if (cached_article && article_is_unread) {
 391
 392                         query = query + "&mode=prefetch";
 393
 394                         render_article(cached_article);
 395
 396                 } else if (cached_article) {
 397
 398                         query = query + "&mode=prefetch_old";
 399                         render_article(cached_article);
 400
 401                         // if we don't need to request any relative ids, we might as well skip
 402                         // the server roundtrip altogether
 403                         if (cids_to_request.length == 0) {
 404                                 return;
 405                         }
 406                 }
 407
 408                 last_requested_article = id;
 409
 410                 console.log(query);
 411
 412                 if (article_is_unread) {
 413                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 414                 }
 415
 416                 new Ajax.Request("backend.php", {
 417                         parameters: query,
 418                         onComplete: function(transport) {
 419                                 article_callback2(transport, id);
 420                         } });
 421
 422                 return false;
 423
 424         } catch (e) {
 425                 exception_error("view", e);
 426         }
 427 }
 428
 429 function toggleMark(id, client_only) {
 430         try {
 431                 var query = "?op=rpc&id=" + id + "&method=mark";
 432
 433                 var row = $("RROW-" + id);
 434                 if (!row) return;
 435
 436                 var imgs = [];
 437
 438                 var row_imgs = row.getElementsByClassName("markedPic");
 439
 440                 for (var i = 0; i < row_imgs.length; i++)
 441                         imgs.push(row_imgs[i]);
 442
 443                 var ft = $("floatingTitle");
 444
 445                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 446                         var fte = ft.getElementsByClassName("markedPic");
 447
 448                         for (var i = 0; i < fte.length; i++)
 449                                 imgs.push(fte[i]);
 450                 }
 451
 452                 for (i = 0; i < imgs.length; i++) {
 453                         var img = imgs[i];
 454
 455                         if (!row.hasClassName("marked")) {
 456                                 img.src = img.src.replace("mark_unset", "mark_set");
 457                                 img.alt = __("Unstar article");
 458                                 query = query + "&mark=1";
 459                         } else {
 460                                 img.src = img.src.replace("mark_set", "mark_unset");
 461                                 img.alt = __("Star article");
 462                                 query = query + "&mark=0";
 463                         }
 464                 }
 465
 466                 row.toggleClassName("marked");
 467
 468                 if (!client_only) {
 469                         new Ajax.Request("backend.php", {
 470                                 parameters: query,
 471                                 onComplete: function(transport) {
 472                                         handle_rpc_json(transport);
 473                                 } });
 474                 }
 475
 476         } catch (e) {
 477                 exception_error("toggleMark", e);
 478         }
 479 }
 480
 481 function togglePub(id, client_only, no_effects, note) {
 482         try {
 483                 var query = "?op=rpc&id=" + id + "&method=publ";
 484
 485                 if (note != undefined) {
 486                         query = query + "&note=" + param_escape(note);
 487                 } else {
 488                         query = query + "&note=undefined";
 489                 }
 490
 491                 var row = $("RROW-" + id);
 492                 if (!row) return;
 493
 494                 var imgs = [];
 495
 496                 var row_imgs = row.getElementsByClassName("pubPic");
 497
 498                 for (var i = 0; i < row_imgs.length; i++)
 499                         imgs.push(row_imgs[i]);
 500
 501                 var ft = $("floatingTitle");
 502
 503                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 504                         var fte = ft.getElementsByClassName("pubPic");
 505
 506                         for (var i = 0; i < fte.length; i++)
 507                                 imgs.push(fte[i]);
 508                 }
 509
 510                 for (i = 0; i < imgs.length; i++) {
 511                         var img = imgs[i];
 512
 513                         if (!row.hasClassName("published") || note != undefined) {
 514                                 img.src = img.src.replace("pub_unset", "pub_set");
 515                                 img.alt = __("Unpublish article");
 516                                 query = query + "&pub=1";
 517                         } else {
 518                                 img.src = img.src.replace("pub_set", "pub_unset");
 519                                 img.alt = __("Publish article");
 520                                 query = query + "&pub=0";
 521                         }
 522                 }
 523
 524                 if (note != undefined)
 525                         row.addClassName("published");
 526                 else
 527                         row.toggleClassName("published");
 528
 529                 if (!client_only) {
 530                         new Ajax.Request("backend.php", {
 531                                 parameters: query,
 532                                 onComplete: function(transport) {
 533                                         handle_rpc_json(transport);
 534                                 } });
 535                 }
 536
 537         } catch (e) {
 538                 exception_error("togglePub", e);
 539         }
 540 }
 541
 542 function moveToPost(mode, noscroll, noexpand) {
 543
 544         try {
 545
 546                 var rows = getVisibleArticleIds();
 547
 548                 var prev_id = false;
 549                 var next_id = false;
 550
 551                 if (!$('RROW-' + getActiveArticleId())) {
 552                         setActiveArticleId(0);
 553                 }
 554
 555                 if (!getActiveArticleId()) {
 556                         next_id = rows[0];
 557                         prev_id = rows[rows.length-1]
 558                 } else {
 559                         for (var i = 0; i < rows.length; i++) {
 560                                 if (rows[i] == getActiveArticleId()) {
 561
 562                                         // Account for adjacent identical article ids.
 563                                         if (i > 0) prev_id = rows[i-1];
 564
 565                                         for (var j = i+1; j < rows.length; j++) {
 566                                                 if (rows[j] != getActiveArticleId()) {
 567                                                         next_id = rows[j];
 568                                                         break;
 569                                                 }
 570                                         }
 571                                         break;
 572                                 }
 573                         }
 574                 }
 575
 576                 if (mode == "next") {
 577                         if (next_id || getActiveArticleId()) {
 578                                 if (isCdmMode()) {
 579
 580                                         var article = $("RROW-" + getActiveArticleId());
 581                                         var ctr = $("headlines-frame");
 582
 583                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 584                                                         ctr.scrollTop + ctr.offsetHeight) {
 585
 586                                                 scrollArticle(ctr.offsetHeight/4);
 587
 588                                         } else if (next_id) {
 589                                                 cdmExpandArticle(next_id, noexpand);
 590                                                 cdmScrollToArticleId(next_id, true);
 591                                         }
 592
 593                                 } else if (next_id) {
 594                                         correctHeadlinesOffset(next_id);
 595                                         view(next_id, getActiveFeedId(), noexpand);
 596                                 }
 597                         }
 598                 }
 599
 600                 if (mode == "prev") {
 601                         if (prev_id || getActiveArticleId()) {
 602                                 if (isCdmMode()) {
 603
 604                                         var article = $("RROW-" + getActiveArticleId());
 605                                         var prev_article = $("RROW-" + prev_id);
 606                                         var ctr = $("headlines-frame");
 607
 608                                         if (!getInitParam("cdm_expanded")) {
 609
 610                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 611                                                         scrollArticle(-ctr.offsetHeight/4);
 612                                                 } else {
 613                                                         cdmExpandArticle(prev_id, noexpand);
 614                                                         cdmScrollToArticleId(prev_id, true);
 615                                                 }
 616                                         } else {
 617
 618                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 619                                                         scrollArticle(-ctr.offsetHeight/3);
 620                                                 } else if (!noscroll && prev_article &&
 621                                                                 prev_article.offsetTop < ctr.scrollTop) {
 622                                                         cdmExpandArticle(prev_id, noexpand);
 623                                                         scrollArticle(-ctr.offsetHeight/4);
 624                                                 } else if (prev_id) {
 625                                                         cdmExpandArticle(prev_id, noexpand);
 626                                                         cdmScrollToArticleId(prev_id, noscroll);
 627                                                 }
 628                                         }
 629
 630                                 } else if (prev_id) {
 631                                         correctHeadlinesOffset(prev_id);
 632                                         view(prev_id, getActiveFeedId(), noexpand);
 633                                 }
 634                         }
 635                 }
 636
 637         } catch (e) {
 638                 exception_error("moveToPost", e);
 639         }
 640 }
 641
 642 function toggleSelected(id, force_on) {
 643         try {
 644                 var row = $("RROW-" + id);
 645
 646                 if (row) {
 647                         var cb = dijit.getEnclosingWidget(
 648                                         row.getElementsByClassName("rchk")[0]);
 649
 650                         if (row.hasClassName('Selected') && !force_on) {
 651                                 row.removeClassName('Selected');
 652                                 if (cb) cb.attr("checked", false);
 653                         } else {
 654                                 row.addClassName('Selected');
 655                                 if (cb) cb.attr("checked", true);
 656                         }
 657                 }
 658
 659                 updateSelectedPrompt();
 660         } catch (e) {
 661                 exception_error("toggleSelected", e);
 662         }
 663 }
 664
 665 function updateSelectedPrompt() {
 666         try {
 667                 var count = getSelectedArticleIds2().size();
 668                 var elem = $("selected_prompt");
 669
 670                 if (elem) {
 671                         elem.innerHTML = ngettext("%d article selected",
 672                                         "%d articles selected", count).replace("%d", count);
 673
 674                         if (count > 0)
 675                                 Element.show(elem);
 676                         else
 677                                 Element.hide(elem);
 678                 }
 679
 680         } catch (e) {
 681                 exception_error("updateSelectedPrompt", e);
 682         }
 683 }
 684
 685 function toggleUnread_afh(effect) {
 686         try {
 687
 688                 var elem = effect.element;
 689                 elem.style.backgroundColor = "";
 690
 691         } catch (e) {
 692                 exception_error("toggleUnread_afh", e);
 693         }
 694 }
 695
 696 function toggleUnread(id, cmode, effect) {
 697         try {
 698
 699                 var row = $("RROW-" + id);
 700                 if (row) {
 701                         if (cmode == undefined || cmode == 2) {
 702                                 if (row.hasClassName("Unread")) {
 703                                         row.removeClassName("Unread");
 704
 705                                 } else {
 706                                         row.addClassName("Unread");
 707                                 }
 708
 709                         } else if (cmode == 0) {
 710
 711                                 row.removeClassName("Unread");
 712
 713                         } else if (cmode == 1) {
 714                                 row.addClassName("Unread");
 715                         }
 716
 717                         if (cmode == undefined) cmode = 2;
 718
 719                         var query = "?op=rpc&method=catchupSelected" +
 720                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 721
 722 //                      notify_progress("Loading, please wait...");
 723
 724                         new Ajax.Request("backend.php", {
 725                                 parameters: query,
 726                                 onComplete: function(transport) {
 727                                         handle_rpc_json(transport);
 728                                 } });
 729
 730                 }
 731
 732         } catch (e) {
 733                 exception_error("toggleUnread", e);
 734         }
 735 }
 736
 737 function selectionRemoveLabel(id, ids) {
 738         try {
 739
 740                 if (!ids) ids = getSelectedArticleIds2();
 741
 742                 if (ids.length == 0) {
 743                         alert(__("No articles are selected."));
 744                         return;
 745                 }
 746
 747                 var query = "?op=article&method=removeFromLabel&ids=" +
 748                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 749
 750                 console.log(query);
 751
 752                 new Ajax.Request("backend.php", {
 753                         parameters: query,
 754                         onComplete: function(transport) {
 755                                 handle_rpc_json(transport);
 756                                 show_labels_in_headlines(transport);
 757                         } });
 758
 759         } catch (e) {
 760                 exception_error("selectionAssignLabel", e);
 761
 762         }
 763 }
 764
 765 function selectionAssignLabel(id, ids) {
 766         try {
 767
 768                 if (!ids) ids = getSelectedArticleIds2();
 769
 770                 if (ids.length == 0) {
 771                         alert(__("No articles are selected."));
 772                         return;
 773                 }
 774
 775                 var query = "?op=article&method=assignToLabel&ids=" +
 776                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 777
 778                 console.log(query);
 779
 780                 new Ajax.Request("backend.php", {
 781                         parameters: query,
 782                         onComplete: function(transport) {
 783                                 handle_rpc_json(transport);
 784                                 show_labels_in_headlines(transport);
 785                         } });
 786
 787         } catch (e) {
 788                 exception_error("selectionAssignLabel", e);
 789
 790         }
 791 }
 792
 793 function selectionToggleUnread(set_state, callback, no_error, ids) {
 794         try {
 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                         var row = $("RROW-" + rows[i]);
 804                         if (row) {
 805                                 if (set_state == undefined) {
 806                                         if (row.hasClassName("Unread")) {
 807                                                 row.removeClassName("Unread");
 808                                         } else {
 809                                                 row.addClassName("Unread");
 810                                         }
 811                                 }
 812
 813                                 if (set_state == false) {
 814                                         row.removeClassName("Unread");
 815                                 }
 816
 817                                 if (set_state == true) {
 818                                         row.addClassName("Unread");
 819                                 }
 820                         }
 821                 }
 822
 823                 updateFloatingTitle(true);
 824
 825                 if (rows.length > 0) {
 826
 827                         var cmode = "";
 828
 829                         if (set_state == undefined) {
 830                                 cmode = "2";
 831                         } else if (set_state == true) {
 832                                 cmode = "1";
 833                         } else if (set_state == false) {
 834                                 cmode = "0";
 835                         }
 836
 837                         var query = "?op=rpc&method=catchupSelected" +
 838                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 839
 840                         notify_progress("Loading, please wait...");
 841
 842                         new Ajax.Request("backend.php", {
 843                                 parameters: query,
 844                                 onComplete: function(transport) {
 845                                         handle_rpc_json(transport);
 846                                         if (callback) callback(transport);
 847                                 } });
 848
 849                 }
 850
 851         } catch (e) {
 852                 exception_error("selectionToggleUnread", e);
 853         }
 854 }
 855
 856 // sel_state ignored
 857 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 858         try {
 859
 860                 var rows = ids ? ids : getSelectedArticleIds2();
 861
 862                 if (rows.length == 0 && !no_error) {
 863                         alert(__("No articles are selected."));
 864                         return;
 865                 }
 866
 867                 for (var i = 0; i < rows.length; i++) {
 868                         toggleMark(rows[i], true, true);
 869                 }
 870
 871                 if (rows.length > 0) {
 872
 873                         var query = "?op=rpc&method=markSelected&ids=" +
 874                                 param_escape(rows.toString()) + "&cmode=2";
 875
 876                         new Ajax.Request("backend.php", {
 877                                 parameters: query,
 878                                 onComplete: function(transport) {
 879                                         handle_rpc_json(transport);
 880                                         if (callback) callback(transport);
 881                                 } });
 882
 883                 }
 884
 885         } catch (e) {
 886                 exception_error("selectionToggleMarked", e);
 887         }
 888 }
 889
 890 // sel_state ignored
 891 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 892         try {
 893
 894                 var rows = ids ? ids : getSelectedArticleIds2();
 895
 896                 if (rows.length == 0 && !no_error) {
 897                         alert(__("No articles are selected."));
 898                         return;
 899                 }
 900
 901                 for (var i = 0; i < rows.length; i++) {
 902                         togglePub(rows[i], true, true);
 903                 }
 904
 905                 if (rows.length > 0) {
 906
 907                         var query = "?op=rpc&method=publishSelected&ids=" +
 908                                 param_escape(rows.toString()) + "&cmode=2";
 909
 910                         new Ajax.Request("backend.php", {
 911                                 parameters: query,
 912                                 onComplete: function(transport) {
 913                                         handle_rpc_json(transport);
 914                                 } });
 915
 916                 }
 917
 918         } catch (e) {
 919                 exception_error("selectionToggleMarked", e);
 920         }
 921 }
 922
 923 function getSelectedArticleIds2() {
 924
 925         var rv = [];
 926
 927         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 928                 function(child) {
 929                         rv.push(child.id.replace("RROW-", ""));
 930                 });
 931
 932         return rv;
 933 }
 934
 935 function getLoadedArticleIds() {
 936         var rv = [];
 937
 938         var children = $$("#headlines-frame > div[id*=RROW-]");
 939
 940         children.each(function(child) {
 941                         rv.push(child.id.replace("RROW-", ""));
 942                 });
 943
 944         return rv;
 945
 946 }
 947
 948 // mode = all,none,unread,invert,marked,published
 949 function selectArticles(mode, query) {
 950         try {
 951
 952                 if (!query) query = "#headlines-frame > div[id*=RROW]";
 953
 954                 var children = $$(query);
 955
 956                 children.each(function(child) {
 957                         var id = child.id.replace("RROW-", "");
 958
 959                         var cb = dijit.getEnclosingWidget(
 960                                         child.getElementsByClassName("rchk")[0]);
 961
 962                         if (mode == "all") {
 963                                 child.addClassName("Selected");
 964                                 if (cb) cb.attr("checked", true);
 965                         } else if (mode == "unread") {
 966                                 if (child.hasClassName("Unread")) {
 967                                         child.addClassName("Selected");
 968                                         if (cb) cb.attr("checked", true);
 969                                 } else {
 970                                         child.removeClassName("Selected");
 971                                         if (cb) cb.attr("checked", false);
 972                                 }
 973                         } else if (mode == "marked") {
 974                                 if (child.hasClassName("marked")) {
 975                                         child.addClassName("Selected");
 976                                         if (cb) cb.attr("checked", true);
 977                                 } else {
 978                                         child.removeClassName("Selected");
 979                                         if (cb) cb.attr("checked", false);
 980                                 }
 981                         } else if (mode == "published") {
 982                                 if (child.hasClassName("published")) {
 983                                         child.addClassName("Selected");
 984                                         if (cb) cb.attr("checked", true);
 985                                 } else {
 986                                         child.removeClassName("Selected");
 987                                         if (cb) cb.attr("checked", false);
 988                                 }
 989
 990                         } else if (mode == "invert") {
 991                                 if (child.hasClassName("Selected")) {
 992                                         child.removeClassName("Selected");
 993                                         if (cb) cb.attr("checked", false);
 994                                 } else {
 995                                         child.addClassName("Selected");
 996                                         if (cb) cb.attr("checked", true);
 997                                 }
 998
 999                         } else {
1000                                 child.removeClassName("Selected");
1001                                 if (cb) cb.attr("checked", false);
1002                         }
1003                 });
1004
1005                 updateSelectedPrompt();
1006
1007         } catch (e) {
1008                 exception_error("selectArticles", e);
1009         }
1010 }
1011
1012 function deleteSelection() {
1013
1014         try {
1015
1016                 var rows = getSelectedArticleIds2();
1017
1018                 if (rows.length == 0) {
1019                         alert(__("No articles are selected."));
1020                         return;
1021                 }
1022
1023                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1024                 var str;
1025
1026                 if (getActiveFeedId() != 0) {
1027                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
1028                 } else {
1029                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
1030                 }
1031
1032                 str = str.replace("%d", rows.length);
1033                 str = str.replace("%s", fn);
1034
1035                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1036                         return;
1037                 }
1038
1039                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
1040
1041                 console.log(query);
1042
1043                 new Ajax.Request("backend.php", {
1044                         parameters: query,
1045                         onComplete: function(transport) {
1046                                         handle_rpc_json(transport);
1047                                         viewCurrentFeed();
1048                                 } });
1049
1050         } catch (e) {
1051                 exception_error("deleteSelection", e);
1052         }
1053 }
1054
1055 function archiveSelection() {
1056
1057         try {
1058
1059                 var rows = getSelectedArticleIds2();
1060
1061                 if (rows.length == 0) {
1062                         alert(__("No articles are selected."));
1063                         return;
1064                 }
1065
1066                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1067                 var str;
1068                 var op;
1069
1070                 if (getActiveFeedId() != 0) {
1071                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1072                         op = "archive";
1073                 } else {
1074                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1075
1076                         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
1077
1078                         op = "unarchive";
1079                 }
1080
1081                 str = str.replace("%d", rows.length);
1082                 str = str.replace("%s", fn);
1083
1084                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1085                         return;
1086                 }
1087
1088                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1089
1090                 console.log(query);
1091
1092                 for (var i = 0; i < rows.length; i++) {
1093                         cache_delete("article:" + rows[i]);
1094                 }
1095
1096                 new Ajax.Request("backend.php", {
1097                         parameters: query,
1098                         onComplete: function(transport) {
1099                                         handle_rpc_json(transport);
1100                                         viewCurrentFeed();
1101                                 } });
1102
1103         } catch (e) {
1104                 exception_error("archiveSelection", e);
1105         }
1106 }
1107
1108 function catchupSelection() {
1109
1110         try {
1111
1112                 var rows = getSelectedArticleIds2();
1113
1114                 if (rows.length == 0) {
1115                         alert(__("No articles are selected."));
1116                         return;
1117                 }
1118
1119                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1120
1121                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1122
1123                 str = str.replace("%d", rows.length);
1124                 str = str.replace("%s", fn);
1125
1126                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1127                         return;
1128                 }
1129
1130                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1131
1132         } catch (e) {
1133                 exception_error("catchupSelection", e);
1134         }
1135 }
1136
1137 function editArticleTags(id) {
1138                 var query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
1139
1140                 if (dijit.byId("editTagsDlg"))
1141                         dijit.byId("editTagsDlg").destroyRecursive();
1142
1143                 dialog = new dijit.Dialog({
1144                         id: "editTagsDlg",
1145                         title: __("Edit article Tags"),
1146                         style: "width: 600px",
1147                         execute: function() {
1148                                 if (this.validate()) {
1149                                         var query = dojo.objectToQuery(this.attr('value'));
1150
1151                                         notify_progress("Saving article tags...", true);
1152
1153                                         new Ajax.Request("backend.php", {
1154                                         parameters: query,
1155                                         onComplete: function(transport) {
1156                                                 try {
1157                                                         notify('');
1158                                                         dialog.hide();
1159
1160                                                         var data = JSON.parse(transport.responseText);
1161
1162                                                         if (data) {
1163                                                                 var id = data.id;
1164
1165                                                                 console.log(id);
1166
1167                                                                 var tags = $("ATSTR-" + id);
1168                                                                 var tooltip = dijit.byId("ATSTRTIP-" + id);
1169
1170                                                                 if (tags) tags.innerHTML = data.content;
1171                                                                 if (tooltip) tooltip.attr('label', data.content_full);
1172                                                         }
1173                                                 } catch (e) {
1174                                                         exception_error("editArticleTags/inner", e);
1175                                                 }
1176
1177                                         }});
1178                                 }
1179                         },
1180                         href: query
1181                 });
1182
1183                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1184                 dojo.disconnect(tmph);
1185
1186                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1187                            "backend.php?op=article&method=completeTags",
1188                            { tokens: ',', paramName: "search" });
1189                 });
1190
1191                 dialog.show();
1192
1193 }
1194
1195 function cdmScrollToArticleId(id, force) {
1196         try {
1197                 var ctr = $("headlines-frame");
1198                 var e = $("RROW-" + id);
1199
1200                 if (!e || !ctr) return;
1201
1202                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1203                                 e.offsetTop < ctr.scrollTop) {
1204
1205                         // expanded cdm has a 4px margin now
1206                         ctr.scrollTop = parseInt(e.offsetTop) - 4;
1207                 }
1208
1209         } catch (e) {
1210                 exception_error("cdmScrollToArticleId", e);
1211         }
1212 }
1213
1214 function setActiveArticleId(id) {
1215         _active_article_id = id;
1216         PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
1217 }
1218
1219 function getActiveArticleId() {
1220         return _active_article_id;
1221 }
1222
1223 function postMouseIn(e, id) {
1224         post_under_pointer = id;
1225 }
1226
1227 function postMouseOut(id) {
1228         post_under_pointer = false;
1229 }
1230
1231 function unpackVisibleHeadlines() {
1232         try {
1233                 if (!isCdmMode() || !getInitParam("cdm_expanded")) return;
1234
1235                 $$("#headlines-frame > div[id*=RROW]").each(
1236                         function(child) {
1237                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1238                                         $("headlines-frame").offsetHeight) {
1239
1240                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1241
1242                                         if (cencw) {
1243                                                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED_CDM, child);
1244
1245                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1246                                                 cencw.setAttribute('id', '');
1247                                                 Element.show(cencw);
1248                                         }
1249                                 }
1250                         }
1251                 );
1252
1253         } catch (e) {
1254                 exception_error("unpackVisibleHeadlines", e);
1255         }
1256 }
1257
1258 function headlines_scroll_handler(e) {
1259         try {
1260                 var hsp = $("headlines-spacer");
1261
1262                 unpackVisibleHeadlines();
1263
1264                 // set topmost child in the buffer as active
1265                 if (isCdmMode() && getInitParam("cdm_auto_catchup") == 1 &&
1266                                 getSelectedArticleIds2().length <= 1 &&
1267                                 getInitParam("cdm_expanded")) {
1268                         var rows = $$("#headlines-frame > div[id*=RROW]");
1269
1270                         for (var i = 0; i < rows.length; i++) {
1271                                 var child = rows[i];
1272
1273                                 if ($("headlines-frame").scrollTop <= child.offsetTop &&
1274                                         child.offsetTop - $("headlines-frame").scrollTop < 100 &&
1275                                         child.id.replace("RROW-", "") != _active_article_id) {
1276
1277                                         if (_active_article_id) {
1278                                                 var row = $("RROW-" + _active_article_id);
1279                                                 if (row) row.removeClassName("active");
1280                                         }
1281
1282                                         _active_article_id = child.id.replace("RROW-", "");
1283                                         showArticleInHeadlines(_active_article_id, true);
1284                                         updateSelectedPrompt();
1285                                         break;
1286                                 }
1287                         }
1288                 }
1289
1290                 if (!_infscroll_disable) {
1291                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1292                                         (e.scrollHeight != 0 &&
1293                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1294
1295                                 if (hsp)
1296                                         hsp.innerHTML = "<span class='loading'><img src='images/indicator_tiny.gif'> " +
1297                                                 __("Loading, please wait...") + "</span>";
1298
1299                                 loadMoreHeadlines();
1300                                 return;
1301
1302                         }
1303                 /*} else {
1304                         if (hsp) {
1305                                 if (_infscroll_disable)
1306                                         hsp.innerHTML = "<a href='#' onclick='openNextUnreadFeed()'>" +
1307                                                 __("Click to open next unread feed.") + "</a>";
1308                                 else
1309                                         hsp.innerHTML = "";
1310                         }*/
1311                 }
1312
1313                 if (isCdmMode()) {
1314                         updateFloatingTitle();
1315                 }
1316
1317                 if (getInitParam("cdm_auto_catchup") == 1) {
1318
1319                         // let's get DOM some time to settle down
1320                         var ts = new Date().getTime();
1321                         if (ts - _last_headlines_update < 100) return;
1322
1323                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1324                                 function(child) {
1325                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1326                                                         (child.offsetTop + child.offsetHeight/2)) {
1327
1328                                                 var id = child.id.replace("RROW-", "");
1329
1330                                                 if (catchup_id_batch.indexOf(id) == -1)
1331                                                         catchup_id_batch.push(id);
1332
1333                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1334                                         }
1335
1336                                 });
1337
1338                         if (catchup_id_batch.length > 0) {
1339                                 window.clearTimeout(catchup_timeout_id);
1340
1341                                 if (!_infscroll_request_sent) {
1342                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1343                                                 500);
1344                                 }
1345                         }
1346
1347                         if (_infscroll_disable) {
1348                                 var child = $$("#headlines-frame div[id*=RROW]").last();
1349
1350                                 if (child && $("headlines-frame").scrollTop >
1351                                                 (child.offsetTop + child.offsetHeight - 50)) {
1352
1353                                         console.log("we seem to be at an end");
1354
1355                                         if (getInitParam("on_catchup_show_next_feed") == "1") {
1356                                                 openNextUnreadFeed();
1357                                         }
1358                                 }
1359                         }
1360                 }
1361
1362         } catch (e) {
1363                 console.warn("headlines_scroll_handler: " + e);
1364         }
1365 }
1366
1367 function openNextUnreadFeed() {
1368         try {
1369                 var is_cat = activeFeedIsCat();
1370                 var nuf = getNextUnreadFeed(getActiveFeedId(), is_cat);
1371                 if (nuf) viewfeed(nuf, '', is_cat);
1372         } catch (e) {
1373                 exception_error("openNextUnreadFeed", e);
1374         }
1375 }
1376
1377 function catchupBatchedArticles() {
1378         try {
1379                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1380
1381                         // make a copy of the array
1382                         var batch = catchup_id_batch.slice();
1383                         var query = "?op=rpc&method=catchupSelected" +
1384                                 "&cmode=0&ids=" + param_escape(batch.toString());
1385
1386                         console.log(query);
1387
1388                         new Ajax.Request("backend.php", {
1389                                 parameters: query,
1390                                 onComplete: function(transport) {
1391                                         handle_rpc_json(transport);
1392
1393                                         reply = JSON.parse(transport.responseText);
1394                                         var batch = reply.ids;
1395
1396                                         batch.each(function(id) {
1397                                                 console.log(id);
1398                                                 var elem = $("RROW-" + id);
1399                                                 if (elem) elem.removeClassName("Unread");
1400                                                 catchup_id_batch.remove(id);
1401                                         });
1402
1403                                         updateFloatingTitle(true);
1404
1405                                 } });
1406                 }
1407
1408         } catch (e) {
1409                 exception_error("catchupBatchedArticles", e);
1410         }
1411 }
1412
1413 function catchupRelativeToArticle(below, id) {
1414
1415         try {
1416
1417                 if (!id) id = getActiveArticleId();
1418
1419                 if (!id) {
1420                         alert(__("No article is selected."));
1421                         return;
1422                 }
1423
1424                 var visible_ids = getVisibleArticleIds();
1425
1426                 var ids_to_mark = new Array();
1427
1428                 if (!below) {
1429                         for (var i = 0; i < visible_ids.length; i++) {
1430                                 if (visible_ids[i] != id) {
1431                                         var e = $("RROW-" + visible_ids[i]);
1432
1433                                         if (e && e.hasClassName("Unread")) {
1434                                                 ids_to_mark.push(visible_ids[i]);
1435                                         }
1436                                 } else {
1437                                         break;
1438                                 }
1439                         }
1440                 } else {
1441                         for (var i = visible_ids.length-1; i >= 0; i--) {
1442                                 if (visible_ids[i] != id) {
1443                                         var e = $("RROW-" + visible_ids[i]);
1444
1445                                         if (e && e.hasClassName("Unread")) {
1446                                                 ids_to_mark.push(visible_ids[i]);
1447                                         }
1448                                 } else {
1449                                         break;
1450                                 }
1451                         }
1452                 }
1453
1454                 if (ids_to_mark.length == 0) {
1455                         alert(__("No articles found to mark"));
1456                 } else {
1457                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1458
1459                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1460
1461                                 for (var i = 0; i < ids_to_mark.length; i++) {
1462                                         var e = $("RROW-" + ids_to_mark[i]);
1463                                         e.removeClassName("Unread");
1464                                 }
1465
1466                                 var query = "?op=rpc&method=catchupSelected" +
1467                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1468
1469                                 new Ajax.Request("backend.php", {
1470                                         parameters: query,
1471                                         onComplete: function(transport) {
1472                                                 handle_rpc_json(transport);
1473                                         } });
1474
1475                         }
1476                 }
1477
1478         } catch (e) {
1479                 exception_error("catchupRelativeToArticle", e);
1480         }
1481 }
1482
1483 function cdmCollapseArticle(event, id, unmark) {
1484         try {
1485                 if (unmark == undefined) unmark = true;
1486
1487                 var row = $("RROW-" + id);
1488                 var elem = $("CICD-" + id);
1489
1490                 if (elem && row) {
1491                         var collapse = $$("div#RROW-" + id +
1492                                 " span[class='collapseBtn']")[0];
1493
1494                         Element.hide(elem);
1495                         Element.show("CEXC-" + id);
1496                         Element.hide(collapse);
1497
1498                         if (unmark) {
1499                                 row.removeClassName("active");
1500
1501                                 markHeadline(id, false);
1502
1503                                 if (id == getActiveArticleId()) {
1504                                         setActiveArticleId(0);
1505                                 }
1506
1507                                 updateSelectedPrompt();
1508                         }
1509
1510                         if (event) Event.stop(event);
1511
1512                         PluginHost.run(PluginHost.HOOK_ARTICLE_COLLAPSED, id);
1513
1514                         if (row.offsetTop < $("headlines-frame").scrollTop)
1515                                 scrollToRowId(row.id);
1516
1517                         $("floatingTitle").style.visibility = "hidden";
1518                         $("floatingTitle").setAttribute("rowid", false);
1519                 }
1520
1521         } catch (e) {
1522                 exception_error("cdmCollapseArticle", e);
1523         }
1524 }
1525
1526 function cdmExpandArticle(id, noexpand) {
1527         try {
1528                 console.log("cdmExpandArticle " + id);
1529
1530                 if (!$("RROW-" + id)) return false;
1531
1532                 var oldrow = $("RROW-" + getActiveArticleId());
1533
1534                 var elem = $("CICD-" + getActiveArticleId());
1535
1536                 if (id == getActiveArticleId() && Element.visible(elem))
1537                         return true;
1538
1539                 selectArticles("none");
1540
1541                 var old_offset = $("RROW-" + id).offsetTop;
1542
1543                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1544                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1545                                 " span[class='collapseBtn']")[0];
1546
1547                         Element.hide(elem);
1548                         Element.show("CEXC-" + getActiveArticleId());
1549                         Element.hide(collapse);
1550                 }
1551
1552                 if (oldrow) oldrow.removeClassName("active");
1553
1554                 setActiveArticleId(id);
1555
1556                 elem = $("CICD-" + id);
1557
1558                 var collapse = $$("div#RROW-" + id +
1559                                 " span[class='collapseBtn']")[0];
1560
1561                 var cencw = $("CENCW-" + id);
1562
1563                 if (!Element.visible(elem) && !noexpand) {
1564                         if (cencw) {
1565                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1566                                 cencw.setAttribute('id', '');
1567                                 Element.show(cencw);
1568                         }
1569
1570                         Element.show(elem);
1571                         Element.hide("CEXC-" + id);
1572                         Element.show(collapse);
1573                 }
1574
1575                 var new_offset = $("RROW-" + id).offsetTop;
1576
1577                 if (old_offset > new_offset)
1578                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1579
1580                 if (!noexpand)
1581                         toggleUnread(id, 0, true);
1582                 toggleSelected(id);
1583                 $("RROW-" + id).addClassName("active");
1584
1585                 PluginHost.run(PluginHost.HOOK_ARTICLE_EXPANDED, id);
1586
1587         } catch (e) {
1588                 exception_error("cdmExpandArticle", e);
1589         }
1590
1591         return false;
1592 }
1593
1594 function getArticleUnderPointer() {
1595         return post_under_pointer;
1596 }
1597
1598 function scrollArticle(offset) {
1599         try {
1600                 if (!isCdmMode()) {
1601                         var ci = $("content-insert");
1602                         if (ci) {
1603                                 ci.scrollTop += offset;
1604                         }
1605                 } else {
1606                         var hi = $("headlines-frame");
1607                         if (hi) {
1608                                 hi.scrollTop += offset;
1609                         }
1610
1611                 }
1612         } catch (e) {
1613                 exception_error("scrollArticle", e);
1614         }
1615 }
1616
1617 function show_labels_in_headlines(transport) {
1618         try {
1619                 var data = JSON.parse(transport.responseText);
1620
1621                 if (data) {
1622                         data['info-for-headlines'].each(function(elem) {
1623                                 $$(".HLLCTR-" + elem.id).each(function(ctr) {
1624                                         ctr.innerHTML = elem.labels;
1625                                 });
1626                         });
1627                 }
1628         } catch (e) {
1629                 exception_error("show_labels_in_headlines", e);
1630         }
1631 }
1632
1633 function dismissArticle(id) {
1634         try {
1635                 var elem = $("RROW-" + id);
1636
1637                 if (!elem) return;
1638
1639                 toggleUnread(id, 0, true);
1640
1641                 new Effect.Fade(elem, {duration : 0.5});
1642
1643                 // Remove the content, too
1644                 var elem_content = $("CICD-" + id);
1645                 if (elem_content) {
1646                         Element.remove(elem_content);
1647                 }
1648
1649                 if (id == getActiveArticleId()) {
1650                         setActiveArticleId(0);
1651                 }
1652
1653         } catch (e) {
1654                 exception_error("dismissArticle", e);
1655         }
1656 }
1657
1658 function dismissSelectedArticles() {
1659         try {
1660
1661                 var ids = getVisibleArticleIds();
1662                 var tmp = [];
1663                 var sel = [];
1664
1665                 for (var i = 0; i < ids.length; i++) {
1666                         var elem = $("RROW-" + ids[i]);
1667
1668                         if (elem.className && elem.hasClassName("Selected") &&
1669                                         ids[i] != getActiveArticleId()) {
1670                                 new Effect.Fade(elem, {duration : 0.5});
1671                                 sel.push(ids[i]);
1672
1673                                 // Remove the content, too
1674                                 var elem_content = $("CICD-" + ids[i]);
1675                                 if (elem_content) {
1676                                         Element.remove(elem_content);
1677                                 }
1678                         } else {
1679                                 tmp.push(ids[i]);
1680                         }
1681                 }
1682
1683                 if (sel.length > 0)
1684                         selectionToggleUnread(false);
1685
1686
1687         } catch (e) {
1688                 exception_error("dismissSelectedArticles", e);
1689         }
1690 }
1691
1692 function dismissReadArticles() {
1693         try {
1694
1695                 var ids = getVisibleArticleIds();
1696                 var tmp = [];
1697
1698                 for (var i = 0; i < ids.length; i++) {
1699                         var elem = $("RROW-" + ids[i]);
1700
1701                         if (elem.className && !elem.hasClassName("Unread") &&
1702                                         !elem.hasClassName("Selected")) {
1703
1704                                 new Effect.Fade(elem, {duration : 0.5});
1705
1706                                 // Remove the content, too
1707                                 var elem_content = $("CICD-" + ids[i]);
1708                                 if (elem_content) {
1709                                         Element.remove(elem_content);
1710                                 }
1711                         } else {
1712                                 tmp.push(ids[i]);
1713                         }
1714                 }
1715
1716         } catch (e) {
1717                 exception_error("dismissReadArticles", e);
1718         }
1719 }
1720
1721 function getVisibleArticleIds() {
1722         var ids = [];
1723
1724         try {
1725
1726                 getLoadedArticleIds().each(function(id) {
1727                         var elem = $("RROW-" + id);
1728                         if (elem && Element.visible(elem))
1729                                 ids.push(id);
1730                         });
1731
1732         } catch (e) {
1733                 exception_error("getVisibleArticleIds", e);
1734         }
1735
1736         return ids;
1737 }
1738
1739 function cdmClicked(event, id) {
1740         try {
1741                 //var shift_key = event.shiftKey;
1742
1743                 if (!event.ctrlKey) {
1744
1745                         if (!getInitParam("cdm_expanded")) {
1746                                 return cdmExpandArticle(id);
1747                         } else {
1748
1749                                 var elem = $("RROW-" + getActiveArticleId());
1750
1751                                 if (elem) elem.removeClassName("active");
1752
1753                                 selectArticles("none");
1754                                 toggleSelected(id);
1755
1756                                 var elem = $("RROW-" + id);
1757                                 var article_is_unread = elem.hasClassName("Unread");
1758
1759                                 elem.removeClassName("Unread");
1760                                 elem.addClassName("active");
1761
1762                                 setActiveArticleId(id);
1763
1764                                 if (article_is_unread) {
1765                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1766                                         updateFloatingTitle(true);
1767                                 }
1768
1769                                 var query = "?op=rpc&method=catchupSelected" +
1770                                         "&cmode=0&ids=" + param_escape(id);
1771
1772                                 new Ajax.Request("backend.php", {
1773                                         parameters: query,
1774                                         onComplete: function(transport) {
1775                                                 handle_rpc_json(transport);
1776                                         } });
1777
1778                                 return !event.shiftKey;
1779                         }
1780
1781                 } else if (event.target.parents(".cdmHeader").length > 0) {
1782
1783                         toggleSelected(id, true);
1784
1785                         var elem = $("RROW-" + id);
1786                         var article_is_unread = elem.hasClassName("Unread");
1787
1788                         if (article_is_unread) {
1789                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1790                         }
1791
1792                         toggleUnread(id, 0, false);
1793
1794                         openArticleInNewWindow(id);
1795                 }
1796
1797                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1798                 request_counters(unread_in_buffer == 0);
1799
1800         } catch (e) {
1801                 exception_error("cdmClicked");
1802         }
1803
1804         return false;
1805 }
1806
1807 function hlClicked(event, id) {
1808         try {
1809                 if (event.which == 2) {
1810                         view(id);
1811                         return true;
1812                 } else if (event.ctrlKey) {
1813                         toggleSelected(id, true);
1814                         toggleUnread(id, 0, false);
1815                         openArticleInNewWindow(id);
1816                         return false;
1817                 } else {
1818                         view(id);
1819                         return false;
1820                 }
1821
1822         } catch (e) {
1823                 exception_error("hlClicked");
1824         }
1825 }
1826
1827 function getFirstVisibleHeadlineId() {
1828         var rows = getVisibleArticleIds();
1829         return rows[0];
1830
1831 }
1832
1833 function getLastVisibleHeadlineId() {
1834         var rows = getVisibleArticleIds();
1835         return rows[rows.length-1];
1836 }
1837
1838 function openArticleInNewWindow(id) {
1839         toggleUnread(id, 0, false);
1840         window.open("backend.php?op=article&method=redirect&id=" + id);
1841 }
1842
1843 function isCdmMode() {
1844         return getInitParam("combined_display_mode");
1845 }
1846
1847 function markHeadline(id, marked) {
1848         if (marked == undefined) marked = true;
1849
1850         var row = $("RROW-" + id);
1851         if (row) {
1852                 var check = dijit.getEnclosingWidget(
1853                                 row.getElementsByClassName("rchk")[0]);
1854
1855                 if (check) {
1856                         check.attr("checked", marked);
1857                 }
1858
1859                 if (marked)
1860                         row.addClassName("Selected");
1861                 else
1862                         row.removeClassName("Selected");
1863         }
1864 }
1865
1866 function getRelativePostIds(id, limit) {
1867
1868         var tmp = [];
1869
1870         try {
1871
1872                 if (!limit) limit = 6; //3
1873
1874                 var ids = getVisibleArticleIds();
1875
1876                 for (var i = 0; i < ids.length; i++) {
1877                         if (ids[i] == id) {
1878                                 for (var k = 1; k <= limit; k++) {
1879                                         //if (i > k-1) tmp.push(ids[i-k]);
1880                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1881                                 }
1882                                 break;
1883                         }
1884                 }
1885
1886         } catch (e) {
1887                 exception_error("getRelativePostIds", e);
1888         }
1889
1890         return tmp;
1891 }
1892
1893 function correctHeadlinesOffset(id) {
1894
1895         try {
1896
1897                 var container = $("headlines-frame");
1898                 var row = $("RROW-" + id);
1899
1900                 if (!container || !row) return;
1901
1902                 var viewport = container.offsetHeight;
1903
1904                 var rel_offset_top = row.offsetTop - container.scrollTop;
1905                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1906
1907                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1908                 //console.log("Vport: " + viewport);
1909
1910                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1911                         container.scrollTop = row.offsetTop;
1912                 } else if (rel_offset_bottom > viewport) {
1913
1914                         /* doesn't properly work with Opera in some cases because
1915                                 Opera fucks up element scrolling */
1916
1917                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1918                 }
1919
1920         } catch (e) {
1921                 exception_error("correctHeadlinesOffset", e);
1922         }
1923
1924 }
1925
1926 function headlineActionsChange(elem) {
1927         try {
1928                 eval(elem.value);
1929                 elem.attr('value', 'false');
1930         } catch (e) {
1931                 exception_error("headlineActionsChange", e);
1932         }
1933 }
1934
1935 function closeArticlePanel() {
1936
1937         if (dijit.byId("content-insert"))
1938                 dijit.byId("headlines-wrap-inner").removeChild(
1939                         dijit.byId("content-insert"));
1940 }
1941
1942 function initFloatingMenu() {
1943         try {
1944                 if (dijit.byId("floatingMenu"))
1945                         dijit.byId("floatingMenu").destroyRecursive();
1946
1947                         var menu = new dijit.Menu({
1948                                 id: "floatingMenu",
1949                                 targetNodeIds: ["floatingTitle"]
1950                         });
1951
1952                         var id = $("floatingTitle").getAttribute("rowid").replace("RROW-", "");
1953
1954                         headlinesMenuCommon(menu, id);
1955
1956                         menu.startup();
1957         } catch (e) {
1958                 exception_error("initFloatingMenu", e);
1959         }
1960 }
1961
1962 function headlinesMenuCommon(menu, base_id) {
1963         try {
1964
1965                 menu.addChild(new dijit.MenuItem({
1966                         label: __("Open original article"),
1967                         onClick: function(event) {
1968                                 openArticleInNewWindow(base_id ? base_id : this.getParent().callerRowId);
1969                         }}));
1970
1971                 menu.addChild(new dijit.MenuItem({
1972                         label: __("Display article URL"),
1973                         onClick: function(event) {
1974                                 displayArticleUrl(base_id ? base_id : this.getParent().callerRowId);
1975                         }}));
1976
1977                 menu.addChild(new dijit.MenuSeparator());
1978
1979                 menu.addChild(new dijit.MenuItem({
1980                         label: __("Toggle unread"),
1981                         onClick: function(event) {
1982                                 var ids = getSelectedArticleIds2();
1983                                 // cast to string
1984                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
1985                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1986
1987                                 selectionToggleUnread(undefined, false, true, ids);
1988                                 }}));
1989
1990                 menu.addChild(new dijit.MenuItem({
1991                         label: __("Toggle starred"),
1992                         onClick: function(event) {
1993                                 var ids = getSelectedArticleIds2();
1994                                 // cast to string
1995                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
1996                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1997
1998                                 selectionToggleMarked(undefined, false, true, ids);
1999                                 }}));
2000
2001                 menu.addChild(new dijit.MenuItem({
2002                         label: __("Toggle published"),
2003                         onClick: function(event) {
2004                                 var ids = getSelectedArticleIds2();
2005                                 // cast to string
2006                                 var id = (base_id ? base_id : this.getParent().callerRowId) + "";
2007                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2008
2009                                 selectionTogglePublished(undefined, false, true, ids);
2010                                 }}));
2011
2012                 menu.addChild(new dijit.MenuSeparator());
2013
2014                 menu.addChild(new dijit.MenuItem({
2015                         label: __("Mark above as read"),
2016                         onClick: function(event) {
2017                                 catchupRelativeToArticle(0, base_id ? base_id : this.getParent().callerRowId);
2018                                 }}));
2019
2020                 menu.addChild(new dijit.MenuItem({
2021                         label: __("Mark below as read"),
2022                         onClick: function(event) {
2023                                 catchupRelativeToArticle(1, base_id ? base_id : this.getParent().callerRowId);
2024                                 }}));
2025
2026
2027                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
2028
2029                 if (labels) {
2030
2031                         menu.addChild(new dijit.MenuSeparator());
2032
2033                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
2034                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
2035
2036                         labels.each(function(label) {
2037                                 var id = label.id[0];
2038                                 var bare_id = id.substr(id.indexOf(":")+1);
2039                                 var name = label.name[0];
2040
2041                                 bare_id = feed_to_label_id(bare_id);
2042
2043                                 labelAddMenu.addChild(new dijit.MenuItem({
2044                                         label: name,
2045                                         labelId: bare_id,
2046                                         onClick: function(event) {
2047                                                 var ids = getSelectedArticleIds2();
2048                                                 // cast to string
2049                                                 var id = (base_id ? base_id : this.getParent().ownerMenu.callerRowId) + "";
2050
2051                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2052
2053                                                 selectionAssignLabel(this.labelId, ids);
2054                                 }}));
2055
2056                                 labelDelMenu.addChild(new dijit.MenuItem({
2057                                         label: name,
2058                                         labelId: bare_id,
2059                                         onClick: function(event) {
2060                                                 var ids = getSelectedArticleIds2();
2061                                                 // cast to string
2062                                                 var id = (base_id ? base_id : this.getParent().ownerMenu.callerRowId) + "";
2063
2064                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2065
2066                                                 selectionRemoveLabel(this.labelId, ids);
2067                                 }}));
2068
2069                         });
2070
2071                         menu.addChild(new dijit.PopupMenuItem({
2072                                 label: __("Assign label"),
2073                                 popup: labelAddMenu
2074                         }));
2075
2076                         menu.addChild(new dijit.PopupMenuItem({
2077                                 label: __("Remove label"),
2078                                 popup: labelDelMenu
2079                         }));
2080
2081                 }
2082
2083
2084         } catch (e) {
2085                 exception_error("headlinesMenuCommon", e);
2086         }
2087 }
2088
2089 function initHeadlinesMenu() {
2090         try {
2091                 if (dijit.byId("headlinesMenu"))
2092                         dijit.byId("headlinesMenu").destroyRecursive();
2093
2094                 var ids = [];
2095
2096                 if (!isCdmMode()) {
2097                         nodes = $$("#headlines-frame > div[id*=RROW]");
2098                 } else {
2099                         nodes = $$("#headlines-frame span[id*=RTITLE]");
2100                 }
2101
2102                 nodes.each(function(node) {
2103                         ids.push(node.id);
2104                 });
2105
2106                 var menu = new dijit.Menu({
2107                         id: "headlinesMenu",
2108                         targetNodeIds: ids
2109                 });
2110
2111                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
2112                         var callerNode = event.target, match = null, tries = 0;
2113
2114                         while (match == null && callerNode && tries <= 3) {
2115                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2116                                 callerNode = callerNode.parentNode;
2117                                 ++tries;
2118                         }
2119
2120                         if (match) this.callerRowId = parseInt(match[1]);
2121
2122                 });
2123
2124                 headlinesMenuCommon(menu, false);
2125
2126                 menu.startup();
2127
2128                 /* vgroup feed title menu */
2129
2130                 var nodes = $$("#headlines-frame > div[class='cdmFeedTitle']");
2131                 var ids = [];
2132
2133                 nodes.each(function(node) {
2134                         ids.push(node.id);
2135                 });
2136
2137                 if (ids.length > 0) {
2138                         if (dijit.byId("headlinesFeedTitleMenu"))
2139                                 dijit.byId("headlinesFeedTitleMenu").destroyRecursive();
2140
2141                         var menu = new dijit.Menu({
2142                                 id: "headlinesFeedTitleMenu",
2143                                 targetNodeIds: ids
2144                         });
2145
2146                         var tmph = dojo.connect(menu, '_openMyself', function (event) {
2147                                 var callerNode = event.target, match = null, tries = 0;
2148
2149                                 while (match == null && callerNode && tries <= 3) {
2150                                         console.log(callerNode.id);
2151
2152                                         match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2153                                         callerNode = callerNode.parentNode;
2154                                         ++tries;
2155
2156                                         console.log(match[1]);
2157                                 }
2158
2159                                 if (match) this.callerRowId = parseInt(match[1]);
2160
2161                         });
2162
2163                         menu.addChild(new dijit.MenuItem({
2164                                 label: __("Select articles in group"),
2165                                 onClick: function(event) {
2166                                         selectArticles("all",
2167                                                 "#headlines-frame > div[id*=RROW]"+
2168                                                 "[orig-feed-id='"+menu.callerRowId+"']");
2169
2170                                 }}));
2171
2172                         menu.addChild(new dijit.MenuItem({
2173                                 label: __("Mark group as read"),
2174                                 onClick: function(event) {
2175                                         selectArticles("none");
2176                                         selectArticles("all",
2177                                                 "#headlines-frame > div[id*=RROW]"+
2178                                                 "[orig-feed-id='"+menu.callerRowId+"']");
2179
2180                                         catchupSelection();
2181                                 }}));
2182
2183
2184                         menu.addChild(new dijit.MenuItem({
2185                                 label: __("Mark feed as read"),
2186                                 onClick: function(event) {
2187                                         catchupFeedInGroup(menu.callerRowId);
2188                                 }}));
2189
2190                         menu.startup();
2191
2192                 }
2193
2194         } catch (e) {
2195                 exception_error("initHeadlinesMenu", e);
2196         }
2197 }
2198
2199 function cache_set(id, obj) {
2200         //console.log("cache_set: " + id);
2201         if (has_storage)
2202                 try {
2203                         sessionStorage[id] = obj;
2204                 } catch (e) {
2205                         sessionStorage.clear();
2206                 }
2207 }
2208
2209 function cache_get(id) {
2210         if (has_storage)
2211                 return sessionStorage[id];
2212 }
2213
2214 function cache_clear() {
2215         if (has_storage)
2216                 sessionStorage.clear();
2217 }
2218
2219 function cache_delete(id) {
2220         if (has_storage)
2221                 sessionStorage.removeItem(id);
2222 }
2223
2224 function cancelSearch() {
2225         try {
2226                 _search_query = "";
2227                 viewCurrentFeed();
2228         } catch (e) {
2229                 exception_error("cancelSearch", e);
2230         }
2231 }
2232
2233 function setSelectionScore() {
2234         try {
2235                 var ids = getSelectedArticleIds2();
2236
2237                 if (ids.length > 0) {
2238                         console.log(ids);
2239
2240                         var score = prompt(__("Please enter new score for selected articles:"), score);
2241
2242                         if (score != undefined) {
2243                                 var query = "op=article&method=setScore&id=" + param_escape(ids.toString()) +
2244                                         "&score=" + param_escape(score);
2245
2246                                 new Ajax.Request("backend.php", {
2247                                         parameters: query,
2248                                         onComplete: function(transport) {
2249                                                 var reply = JSON.parse(transport.responseText);
2250                                                 if (reply) {
2251                                                         console.log(ids);
2252
2253                                                         ids.each(function(id) {
2254                                                                 var row = $("RROW-" + id);
2255
2256                                                                 if (row) {
2257                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2258
2259                                                                         if (pic) {
2260                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2261                                                                                         reply["score_pic"]);
2262                                                                                 pic.setAttribute("score", score);
2263                                                                         }
2264                                                                 }
2265                                                         });
2266                                                 }
2267                                         } });
2268                         }
2269
2270                 } else {
2271                         alert(__("No articles are selected."));
2272                 }
2273         } catch (e) {
2274                 exception_error("setSelectionScore", e);
2275         }
2276 }
2277
2278 function updateScore(id) {
2279         try {
2280                 var pic = $$("#RROW-" + id + " .hlScorePic")[0];
2281
2282                 if (pic) {
2283
2284                         var query = "op=article&method=getScore&id=" + param_escape(id);
2285
2286                         new Ajax.Request("backend.php", {
2287                                 parameters: query,
2288                                 onComplete: function(transport) {
2289                                         console.log(transport.responseText);
2290
2291                                         var reply = JSON.parse(transport.responseText);
2292
2293                                         if (reply) {
2294                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2295                                                 pic.setAttribute("score", reply["score"]);
2296                                                 pic.setAttribute("title", reply["score"]);
2297                                         }
2298                                 } });
2299                 }
2300
2301         } catch (e) {
2302                 exception_error("updateScore", e);
2303         }
2304 }
2305
2306 function changeScore(id, pic) {
2307         try {
2308                 var score = pic.getAttribute("score");
2309
2310                 var new_score = prompt(__("Please enter new score for this article:"), score);
2311
2312                 if (new_score != undefined) {
2313
2314                         var query = "op=article&method=setScore&id=" + param_escape(id) +
2315                                 "&score=" + param_escape(new_score);
2316
2317                         new Ajax.Request("backend.php", {
2318                                 parameters: query,
2319                                 onComplete: function(transport) {
2320                                         var reply = JSON.parse(transport.responseText);
2321
2322                                         if (reply) {
2323                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2324                                                 pic.setAttribute("score", new_score);
2325                                                 pic.setAttribute("title", new_score);
2326                                         }
2327                                 } });
2328                 }
2329         } catch (e) {
2330                 exception_error("changeScore", e);
2331         }
2332 }
2333
2334 function displayArticleUrl(id) {
2335         try {
2336                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2337
2338                         new Ajax.Request("backend.php", {
2339                                 parameters: query,
2340                                 onComplete: function(transport) {
2341                                         var reply = JSON.parse(transport.responseText);
2342
2343                                         if (reply && reply.link) {
2344                                                 prompt(__("Article URL:"), reply.link);
2345                                         }
2346                                 } });
2347         } catch (e) {
2348                 exception_error("changeScore", e);
2349         }
2350 }
2351
2352 function openSelectedAttachment(elem) {
2353         try {
2354                 var url = elem[elem.selectedIndex].value;
2355
2356                 if (url) {
2357                         window.open(url);
2358                         elem.selectedIndex = 0;
2359                 }
2360
2361         } catch (e) {
2362                 exception_error("openSelectedAttachment", e);
2363         }
2364 }
2365
2366 function scrollToRowId(id) {
2367         try {
2368                 var row = $(id);
2369
2370                 if (row)
2371                         $("headlines-frame").scrollTop = row.offsetTop - 4;
2372
2373         } catch (e) {
2374                 exception_error("scrollToRowId", e);
2375         }
2376 }
2377
2378 function updateFloatingTitle(unread_only) {
2379         try {
2380                 if (!isCdmMode()) return;
2381
2382                 var hf = $("headlines-frame");
2383
2384                 var elems = $$("#headlines-frame > div[id*=RROW]");
2385
2386                 for (var i = 0; i < elems.length; i++) {
2387
2388                         var child = elems[i];
2389
2390                         if (child && child.offsetTop + child.offsetHeight > hf.scrollTop) {
2391
2392                                 var header = child.getElementsByClassName("cdmHeader")[0];
2393
2394                                 if (unread_only || child.id != $("floatingTitle").getAttribute("rowid")) {
2395                                         if (child.id != $("floatingTitle").getAttribute("rowid")) {
2396                                                 $("floatingTitle").setAttribute("rowid", child.id);
2397                                                 $("floatingTitle").innerHTML = header.innerHTML;
2398                                                 $("floatingTitle").firstChild.innerHTML = "<img class='anchor markedPic' src='images/page_white_go.png' onclick=\"scrollToRowId('"+child.id+"')\">" + $("floatingTitle").firstChild.innerHTML;
2399
2400                                                 initFloatingMenu();
2401
2402                                                 var cb = $$("#floatingTitle .dijitCheckBox")[0];
2403
2404                                                 if (cb)
2405                                                         cb.parentNode.removeChild(cb);
2406                                         }
2407
2408                                         if (child.hasClassName("Unread"))
2409                                                 $("floatingTitle").addClassName("Unread");
2410                                         else
2411                                                 $("floatingTitle").removeClassName("Unread");
2412
2413                                         PluginHost.run(PluginHost.HOOK_FLOATING_TITLE, child);
2414                                 }
2415
2416                                 $("floatingTitle").style.marginRight = hf.offsetWidth - child.offsetWidth + "px";
2417                                 if (header.offsetTop + header.offsetHeight < hf.scrollTop + $("floatingTitle").offsetHeight - 5 &&
2418                                     child.offsetTop + child.offsetHeight >= hf.scrollTop + $("floatingTitle").offsetHeight - 5)
2419                                         $("floatingTitle").style.visibility = "visible";
2420                                 else
2421                                         $("floatingTitle").style.visibility = "hidden";
2422
2423                                 return;
2424
2425                         }
2426                 }
2427
2428         } catch (e) {
2429                 exception_error("updateFloatingTitle", e);
2430         }
2431 }
2432
2433 function cdmFooterClick(event) {
2434         event.stopPropagation();
2435 }