js/viewfeed.js

   1 var article_cache = new Array();
   2
   3 var _active_article_id = 0;
   4
   5 var vgroup_last_feed = false;
   6 var post_under_pointer = false;
   7
   8 var last_requested_article = false;
   9
  10 var catchup_id_batch = [];
  11 var catchup_timeout_id = false;
  12
  13 var cids_requested = [];
  14 var loaded_article_ids = [];
  15 var _last_headlines_update = 0;
  16
  17 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  18
  19 function headlines_callback2(transport, offset, background, infscroll_req) {
  20         try {
  21                 handle_rpc_json(transport);
  22
  23                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background + " I:" + infscroll_req);
  24
  25                 var is_cat = false;
  26                 var feed_id = false;
  27
  28                 var reply = false;
  29
  30                 try {
  31                         reply = JSON.parse(transport.responseText);
  32                 } catch (e) {
  33                         console.error(e);
  34                 }
  35
  36                 if (reply) {
  37
  38                         is_cat = reply['headlines']['is_cat'];
  39                         feed_id = reply['headlines']['id'];
  40
  41                         if (background) {
  42                                 var content = reply['headlines']['content'];
  43
  44                                 content = content + "<div id='headlines-spacer'></div>";
  45                                 return;
  46                         }
  47
  48                         if (feed_id != getActiveFeedId() || is_cat != activeFeedIsCat())
  49                                 return;
  50
  51                         /* dijit.getEnclosingWidget(
  52                                 document.forms["main_toolbar_form"].update).attr('disabled',
  53                                         is_cat || feed_id <= 0); */
  54
  55                         try {
  56                                 if (infscroll_req == false) {
  57                                         $("headlines-frame").scrollTop = 0;
  58
  59                                         Element.hide("floatingTitle");
  60                                         $("floatingTitle").setAttribute("rowid", 0);
  61                                         $("floatingTitle").innerHTML = "";
  62                                 }
  63                         } catch (e) { };
  64
  65                         $("headlines-frame").removeClassName("cdm");
  66                         $("headlines-frame").removeClassName("normal");
  67
  68                         $("headlines-frame").addClassName(isCdmMode() ? "cdm" : "normal");
  69
  70                         var headlines_count = reply['headlines-info']['count'];
  71
  72                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  73
  74                         if (parseInt(headlines_count) < 30) {
  75                                 _infscroll_disable = 1;
  76                         } else {
  77                                 _infscroll_disable = 0;
  78                         }
  79
  80                         var counters = reply['counters'];
  81                         var articles = reply['articles'];
  82                         //var runtime_info = reply['runtime-info'];
  83
  84                         if (infscroll_req == false) {
  85                                 loaded_article_ids = [];
  86
  87                                 dijit.byId("headlines-frame").attr('content',
  88                                         reply['headlines']['content']);
  89
  90                                 dijit.byId("headlines-toolbar").attr('content',
  91                                         reply['headlines']['toolbar']);
  92
  93                                 $$("#headlines-frame > div[id*=RROW]").each(function(row) {
  94                                         if (loaded_article_ids.indexOf(row.id) != -1) {
  95                                                 row.parentNode.removeChild(row);
  96                                         } else {
  97                                                 loaded_article_ids.push(row.id);
  98                                         }
  99                                 });
 100
 101                                 var hsp = $("headlines-spacer");
 102                                 if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 103                                 dijit.byId('headlines-frame').domNode.appendChild(hsp);
 104
 105                                 initHeadlinesMenu();
 106
 107                                 if (_search_query) {
 108                                         $("feed_title").innerHTML += "<span id='cancel_search'>" +
 109                                                 " (<a href='#' onclick='cancelSearch()'>" + __("Cancel search") + "</a>)" +
 110                                                 "</span>";
 111                                 }
 112
 113                         } else {
 114
 115                                 if (headlines_count > 0 && feed_id == getActiveFeedId() && is_cat == activeFeedIsCat()) {
 116                                         console.log("adding some more headlines: " + headlines_count);
 117
 118                                         var c = dijit.byId("headlines-frame");
 119                                         var ids = getSelectedArticleIds2();
 120                                         var new_elems = [];
 121
 122                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
 123
 124                                         var hsp = $("headlines-spacer");
 125
 126                                         if (hsp)
 127                                                 c.domNode.removeChild(hsp);
 128
 129                                         $$("#headlines-tmp > div").each(function(row) {
 130                                                 if (row.className == 'cdmFeedTitle') {
 131                                                         row.style.display = 'none';
 132                                                         c.domNode.appendChild(row);
 133                                                         new_elems.push(row);
 134                                                 } else if (loaded_article_ids.indexOf(row.id) == -1) {
 135                                                         row.style.display = 'none';
 136                                                         c.domNode.appendChild(row);
 137                                                         new_elems.push(row);
 138                                                         loaded_article_ids.push(row.id);
 139                                                 } else {
 140                                                         row.parentNode.removeChild(row);
 141                                                 }
 142                                         });
 143
 144                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 145
 146                                         if (getInitParam("cdm_auto_catchup") == 1) {
 147                                                 c.domNode.appendChild(hsp);
 148                                         }
 149
 150                                         console.log("added " + new_elems.size() + " headlines");
 151
 152                                         if (new_elems.size() == 0)
 153                                                 _infscroll_disable = true;
 154
 155                                         console.log("restore selected ids: " + ids);
 156
 157                                         for (var i = 0; i < ids.length; i++) {
 158                                                 markHeadline(ids[i]);
 159                                         }
 160
 161                                         initHeadlinesMenu();
 162
 163                                         new_elems.each(function(child) {
 164                                                 dojo.parser.parse(child);
 165
 166                                                 if (!Element.visible(child))
 167                                                         new Effect.Appear(child, { duration : 0.5 });
 168                                         });
 169
 170                                 } else {
 171                                         console.log("no new headlines received");
 172
 173                                         var hsp = $("headlines-spacer");
 174
 175                                         if (hsp) hsp.innerHTML = "";
 176                                 }
 177                         }
 178
 179                         if (articles) {
 180                                 for (var i = 0; i < articles.length; i++) {
 181                                         var a_id = articles[i]['id'];
 182                                         cache_set("article:" + a_id, articles[i]['content']);
 183                                 }
 184                         } else {
 185                                 console.log("no cached articles received");
 186                         }
 187
 188                         if (counters)
 189                                 parse_counters(counters);
 190                         else
 191                                 request_counters(true);
 192
 193                 } else if (transport.responseText) {
 194                         console.error("Invalid object received: " + transport.responseText);
 195                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 196                                         __('Could not update headlines (invalid object received - see error console for details)') +
 197                                         "</div>");
 198                 } else {
 199                         //notify_error("Error communicating with server.");
 200                         Element.show(dijit.byId("net-alert").domNode);
 201                 }
 202
 203                 _infscroll_request_sent = 0;
 204                 _last_headlines_update = new Date().getTime();
 205
 206                 unpackVisibleHeadlines();
 207
 208                 // if we have some more space in the buffer, why not try to fill it
 209
 210                 if (!_infscroll_disable && $("headlines-spacer") &&
 211                                 $("headlines-spacer").offsetTop < $("headlines-frame").offsetHeight) {
 212
 213                         window.setTimeout(function() {
 214                                 loadMoreHeadlines();
 215                         }, 250);
 216                 }
 217
 218                 notify("");
 219
 220         } catch (e) {
 221                 exception_error("headlines_callback2", e, transport);
 222         }
 223 }
 224
 225 function render_article(article) {
 226         try {
 227                 dijit.byId("headlines-wrap-inner").addChild(
 228                                 dijit.byId("content-insert"));
 229
 230                 var c = dijit.byId("content-insert");
 231
 232                 try {
 233                         c.domNode.scrollTop = 0;
 234                 } catch (e) { };
 235
 236                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED, article);
 237
 238                 c.attr('content', article);
 239
 240                 correctHeadlinesOffset(getActiveArticleId());
 241
 242                 try {
 243                         c.focus();
 244                 } catch (e) { };
 245
 246         } catch (e) {
 247                 exception_error("render_article", e);
 248         }
 249 }
 250
 251 function showArticleInHeadlines(id, noexpand) {
 252
 253         try {
 254                 selectArticles("none");
 255
 256                 var crow = $("RROW-" + id);
 257
 258                 if (!crow) return;
 259
 260                 var article_is_unread = crow.hasClassName("Unread");
 261
 262                 if (!noexpand)
 263                         crow.removeClassName("Unread");
 264                 crow.addClassName("active");
 265
 266                 selectArticles('none');
 267
 268                 var view_mode = false;
 269
 270                 try {
 271                         view_mode = document.forms['main_toolbar_form'].view_mode;
 272                         view_mode = view_mode[view_mode.selectedIndex].value;
 273                 } catch (e) {
 274                         //
 275                 }
 276
 277                 markHeadline(id);
 278
 279                 if (article_is_unread && !noexpand)
 280                         _force_scheduled_update = true;
 281
 282         } catch (e) {
 283                 exception_error("showArticleInHeadlines", e);
 284         }
 285 }
 286
 287 function article_callback2(transport, id) {
 288         try {
 289                 console.log("article_callback2 " + id);
 290
 291                 handle_rpc_json(transport);
 292
 293                 var reply = false;
 294
 295                 try {
 296                         reply = JSON.parse(transport.responseText);
 297                 } catch (e) {
 298                         console.error(e);
 299                 }
 300
 301                 if (reply) {
 302
 303                         reply.each(function(article) {
 304                                 if (getActiveArticleId() == article['id']) {
 305                                         render_article(article['content']);
 306                                 }
 307                                 cids_requested.remove(article['id']);
 308
 309                                 cache_set("article:" + article['id'], article['content']);
 310                         });
 311
 312 //                      if (id != last_requested_article) {
 313 //                              console.log("requested article id is out of sequence, aborting");
 314 //                              return;
 315 //                      }
 316
 317                 } else if (transport.responseText) {
 318                         console.error("Invalid object received: " + transport.responseText);
 319
 320                         render_article("<div class='whiteBox'>" +
 321                                         __('Could not display article (invalid object received - see error console for details)') + "</div>");
 322                 } else {
 323                         Element.show(dijit.byId("net-alert").domNode);
 324                 }
 325
 326                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
 327                 request_counters(unread_in_buffer == 0);
 328
 329                 //headlines_scroll_handler($("headlines-frame"));
 330
 331 /*              try {
 332                         if (!_infscroll_disable &&
 333                                         $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 334
 335                                 loadMoreHeadlines();
 336                         }
 337                 } catch (e) {
 338                         console.warn(e);
 339                 } */
 340
 341                 notify("");
 342         } catch (e) {
 343                 exception_error("article_callback2", e, transport);
 344         }
 345 }
 346
 347 function view(id, activefeed, noexpand) {
 348         try {
 349                 var oldrow = $("RROW-" + getActiveArticleId());
 350                 if (oldrow) oldrow.removeClassName("active");
 351
 352                 var crow = $("RROW-" + id);
 353
 354                 if (!crow) return;
 355                 if (noexpand) {
 356                         setActiveArticleId(id);
 357                         showArticleInHeadlines(id, noexpand);
 358                         return;
 359                 }
 360
 361                 console.log("loading article: " + id);
 362
 363                 var cached_article = cache_get("article:" + id);
 364
 365                 console.log("cache check result: " + (cached_article != false));
 366
 367                 var query = "?op=article&method=view&id=" + param_escape(id);
 368
 369                 var neighbor_ids = getRelativePostIds(id);
 370
 371                 /* only request uncached articles */
 372
 373                 var cids_to_request = [];
 374
 375                 for (var i = 0; i < neighbor_ids.length; i++) {
 376                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 377                                 if (!cache_get("article:" + neighbor_ids[i])) {
 378                                         cids_to_request.push(neighbor_ids[i]);
 379                                         cids_requested.push(neighbor_ids[i]);
 380                                 }
 381                 }
 382
 383                 console.log("additional ids: " + cids_to_request.toString());
 384
 385                 query = query + "&cids=" + cids_to_request.toString();
 386
 387                 var article_is_unread = crow.hasClassName("Unread");
 388
 389                 setActiveArticleId(id);
 390                 showArticleInHeadlines(id);
 391
 392                 if (cached_article && article_is_unread) {
 393
 394                         query = query + "&mode=prefetch";
 395
 396                         render_article(cached_article);
 397
 398                 } else if (cached_article) {
 399
 400                         query = query + "&mode=prefetch_old";
 401                         render_article(cached_article);
 402
 403                         // if we don't need to request any relative ids, we might as well skip
 404                         // the server roundtrip altogether
 405                         if (cids_to_request.length == 0) {
 406
 407 /*                              try {
 408                                         if (!_infscroll_disable &&
 409                                                 $$("#headlines-frame > div[id*=RROW]").last().hasClassName("Selected")) {
 410
 411                                                         loadMoreHeadlines();
 412                                         }
 413                                 } catch (e) {
 414                                         console.warn(e);
 415                                 } */
 416
 417                                 //headlines_scroll_handler($("headlines-frame"));
 418
 419                                 return;
 420                         }
 421                 }
 422
 423                 last_requested_article = id;
 424
 425                 console.log(query);
 426
 427                 if (article_is_unread) {
 428                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
 429                 }
 430
 431                 new Ajax.Request("backend.php", {
 432                         parameters: query,
 433                         onComplete: function(transport) {
 434                                 article_callback2(transport, id);
 435                         } });
 436
 437                 return false;
 438
 439         } catch (e) {
 440                 exception_error("view", e);
 441         }
 442 }
 443
 444 function toggleMark(id, client_only) {
 445         try {
 446                 var query = "?op=rpc&id=" + id + "&method=mark";
 447
 448                 var row = $("RROW-" + id);
 449                 if (!row) return;
 450
 451                 var imgs = [];
 452
 453                 var row_imgs = row.getElementsByClassName("markedPic");
 454
 455                 for (var i = 0; i < row_imgs.length; i++)
 456                         imgs.push(row_imgs[i]);
 457
 458                 var ft = $("floatingTitle");
 459
 460                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 461                         var fte = ft.getElementsByClassName("markedPic");
 462
 463                         for (var i = 0; i < fte.length; i++)
 464                                 imgs.push(fte[i]);
 465                 }
 466
 467                 for (i = 0; i < imgs.length; i++) {
 468                         var img = imgs[i];
 469
 470                         if (!row.hasClassName("marked")) {
 471                                 img.src = img.src.replace("mark_unset", "mark_set");
 472                                 img.alt = __("Unstar article");
 473                                 query = query + "&mark=1";
 474                         } else {
 475                                 img.src = img.src.replace("mark_set", "mark_unset");
 476                                 img.alt = __("Star article");
 477                                 query = query + "&mark=0";
 478                         }
 479                 }
 480
 481                 row.toggleClassName("marked");
 482
 483                 if (!client_only) {
 484                         new Ajax.Request("backend.php", {
 485                                 parameters: query,
 486                                 onComplete: function(transport) {
 487                                         handle_rpc_json(transport);
 488                                 } });
 489                 }
 490
 491         } catch (e) {
 492                 exception_error("toggleMark", e);
 493         }
 494 }
 495
 496 function togglePub(id, client_only, no_effects, note) {
 497         try {
 498                 var query = "?op=rpc&id=" + id + "&method=publ";
 499
 500                 if (note != undefined) {
 501                         query = query + "&note=" + param_escape(note);
 502                 } else {
 503                         query = query + "&note=undefined";
 504                 }
 505
 506                 var row = $("RROW-" + id);
 507                 if (!row) return;
 508
 509                 var imgs = [];
 510
 511                 var row_imgs = row.getElementsByClassName("pubPic");
 512
 513                 for (var i = 0; i < row_imgs.length; i++)
 514                         imgs.push(row_imgs[i]);
 515
 516                 var ft = $("floatingTitle");
 517
 518                 if (ft && ft.getAttribute("rowid") == "RROW-" + id) {
 519                         var fte = ft.getElementsByClassName("pubPic");
 520
 521                         for (var i = 0; i < fte.length; i++)
 522                                 imgs.push(fte[i]);
 523                 }
 524
 525                 for (i = 0; i < imgs.length; i++) {
 526                         var img = imgs[i];
 527
 528                         if (!row.hasClassName("published") || note != undefined) {
 529                                 img.src = img.src.replace("pub_unset", "pub_set");
 530                                 img.alt = __("Unpublish article");
 531                                 query = query + "&pub=1";
 532                         } else {
 533                                 img.src = img.src.replace("pub_set", "pub_unset");
 534                                 img.alt = __("Publish article");
 535                                 query = query + "&pub=0";
 536                         }
 537                 }
 538
 539                 if (note != undefined)
 540                         row.addClassName("published");
 541                 else
 542                         row.toggleClassName("published");
 543
 544                 if (!client_only) {
 545                         new Ajax.Request("backend.php", {
 546                                 parameters: query,
 547                                 onComplete: function(transport) {
 548                                         handle_rpc_json(transport);
 549                                 } });
 550                 }
 551
 552         } catch (e) {
 553                 exception_error("togglePub", e);
 554         }
 555 }
 556
 557 function moveToPost(mode, noscroll, noexpand) {
 558
 559         try {
 560
 561                 var rows = getVisibleArticleIds();
 562
 563                 var prev_id = false;
 564                 var next_id = false;
 565
 566                 if (!$('RROW-' + getActiveArticleId())) {
 567                         setActiveArticleId(0);
 568                 }
 569
 570                 if (!getActiveArticleId()) {
 571                         next_id = rows[0];
 572                         prev_id = rows[rows.length-1]
 573                 } else {
 574                         for (var i = 0; i < rows.length; i++) {
 575                                 if (rows[i] == getActiveArticleId()) {
 576
 577                                         // Account for adjacent identical article ids.
 578                                         if (i > 0) prev_id = rows[i-1];
 579
 580                                         for (var j = i+1; j < rows.length; j++) {
 581                                                 if (rows[j] != getActiveArticleId()) {
 582                                                         next_id = rows[j];
 583                                                         break;
 584                                                 }
 585                                         }
 586                                         break;
 587                                 }
 588                         }
 589                 }
 590
 591                 if (mode == "next") {
 592                         if (next_id || getActiveArticleId()) {
 593                                 if (isCdmMode()) {
 594
 595                                         var article = $("RROW-" + getActiveArticleId());
 596                                         var ctr = $("headlines-frame");
 597
 598                                         if (!noscroll && article && article.offsetTop + article.offsetHeight >
 599                                                         ctr.scrollTop + ctr.offsetHeight) {
 600
 601                                                 scrollArticle(ctr.offsetHeight/4);
 602
 603                                         } else if (next_id) {
 604                                                 cdmExpandArticle(next_id, noexpand);
 605                                                 cdmScrollToArticleId(next_id, true);
 606                                         }
 607
 608                                 } else if (next_id) {
 609                                         correctHeadlinesOffset(next_id);
 610                                         view(next_id, getActiveFeedId(), noexpand);
 611                                 }
 612                         }
 613                 }
 614
 615                 if (mode == "prev") {
 616                         if (prev_id || getActiveArticleId()) {
 617                                 if (isCdmMode()) {
 618
 619                                         var article = $("RROW-" + getActiveArticleId());
 620                                         var prev_article = $("RROW-" + prev_id);
 621                                         var ctr = $("headlines-frame");
 622
 623                                         if (!getInitParam("cdm_expanded")) {
 624
 625                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 626                                                         scrollArticle(-ctr.offsetHeight/4);
 627                                                 } else {
 628                                                         cdmExpandArticle(prev_id, noexpand);
 629                                                         cdmScrollToArticleId(prev_id, true);
 630                                                 }
 631                                         } else {
 632
 633                                                 if (!noscroll && article && article.offsetTop < ctr.scrollTop) {
 634                                                         scrollArticle(-ctr.offsetHeight/3);
 635                                                 } else if (!noscroll && prev_article &&
 636                                                                 prev_article.offsetTop < ctr.scrollTop) {
 637                                                         cdmExpandArticle(prev_id, noexpand);
 638                                                         scrollArticle(-ctr.offsetHeight/4);
 639                                                 } else if (prev_id) {
 640                                                         cdmExpandArticle(prev_id, noexpand);
 641                                                         cdmScrollToArticleId(prev_id, noscroll);
 642                                                 }
 643                                         }
 644
 645                                 } else if (prev_id) {
 646                                         correctHeadlinesOffset(prev_id);
 647                                         view(prev_id, getActiveFeedId(), noexpand);
 648                                 }
 649                         }
 650                 }
 651
 652         } catch (e) {
 653                 exception_error("moveToPost", e);
 654         }
 655 }
 656
 657 function toggleSelected(id, force_on) {
 658         try {
 659                 var row = $("RROW-" + id);
 660
 661                 if (row) {
 662                         var cb = dijit.getEnclosingWidget(
 663                                         row.getElementsByClassName("rchk")[0]);
 664
 665                         if (row.hasClassName('Selected') && !force_on) {
 666                                 row.removeClassName('Selected');
 667                                 if (cb) cb.attr("checked", false);
 668                         } else {
 669                                 row.addClassName('Selected');
 670                                 if (cb) cb.attr("checked", true);
 671                         }
 672                 }
 673
 674                 updateSelectedPrompt();
 675         } catch (e) {
 676                 exception_error("toggleSelected", e);
 677         }
 678 }
 679
 680 function updateSelectedPrompt() {
 681         try {
 682                 var count = getSelectedArticleIds2().size();
 683                 var elem = $("selected_prompt");
 684
 685                 if (elem) {
 686                         elem.innerHTML = ngettext("%d article selected",
 687                                         "%d articles selected", count).replace("%d", count);
 688
 689                         if (count > 0)
 690                                 Element.show(elem);
 691                         else
 692                                 Element.hide(elem);
 693                 }
 694
 695         } catch (e) {
 696                 exception_error("updateSelectedPrompt", e);
 697         }
 698 }
 699
 700 function toggleUnread_afh(effect) {
 701         try {
 702
 703                 var elem = effect.element;
 704                 elem.style.backgroundColor = "";
 705
 706         } catch (e) {
 707                 exception_error("toggleUnread_afh", e);
 708         }
 709 }
 710
 711 function toggleUnread(id, cmode, effect) {
 712         try {
 713
 714                 var row = $("RROW-" + id);
 715                 if (row) {
 716                         if (cmode == undefined || cmode == 2) {
 717                                 if (row.hasClassName("Unread")) {
 718                                         row.removeClassName("Unread");
 719
 720                                 } else {
 721                                         row.addClassName("Unread");
 722                                 }
 723
 724                         } else if (cmode == 0) {
 725
 726                                 row.removeClassName("Unread");
 727
 728                         } else if (cmode == 1) {
 729                                 row.addClassName("Unread");
 730                         }
 731
 732                         if (cmode == undefined) cmode = 2;
 733
 734                         var query = "?op=rpc&method=catchupSelected" +
 735                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 736
 737 //                      notify_progress("Loading, please wait...");
 738
 739                         new Ajax.Request("backend.php", {
 740                                 parameters: query,
 741                                 onComplete: function(transport) {
 742                                         handle_rpc_json(transport);
 743                                 } });
 744
 745                 }
 746
 747         } catch (e) {
 748                 exception_error("toggleUnread", e);
 749         }
 750 }
 751
 752 function selectionRemoveLabel(id, ids) {
 753         try {
 754
 755                 if (!ids) ids = getSelectedArticleIds2();
 756
 757                 if (ids.length == 0) {
 758                         alert(__("No articles are selected."));
 759                         return;
 760                 }
 761
 762                 var query = "?op=article&method=removeFromLabel&ids=" +
 763                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 764
 765                 console.log(query);
 766
 767                 new Ajax.Request("backend.php", {
 768                         parameters: query,
 769                         onComplete: function(transport) {
 770                                 handle_rpc_json(transport);
 771                                 show_labels_in_headlines(transport);
 772                         } });
 773
 774         } catch (e) {
 775                 exception_error("selectionAssignLabel", e);
 776
 777         }
 778 }
 779
 780 function selectionAssignLabel(id, ids) {
 781         try {
 782
 783                 if (!ids) ids = getSelectedArticleIds2();
 784
 785                 if (ids.length == 0) {
 786                         alert(__("No articles are selected."));
 787                         return;
 788                 }
 789
 790                 var query = "?op=article&method=assignToLabel&ids=" +
 791                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 792
 793                 console.log(query);
 794
 795                 new Ajax.Request("backend.php", {
 796                         parameters: query,
 797                         onComplete: function(transport) {
 798                                 handle_rpc_json(transport);
 799                                 show_labels_in_headlines(transport);
 800                         } });
 801
 802         } catch (e) {
 803                 exception_error("selectionAssignLabel", e);
 804
 805         }
 806 }
 807
 808 function selectionToggleUnread(set_state, callback, no_error, ids) {
 809         try {
 810                 var rows = ids ? ids : getSelectedArticleIds2();
 811
 812                 if (rows.length == 0 && !no_error) {
 813                         alert(__("No articles are selected."));
 814                         return;
 815                 }
 816
 817                 for (var i = 0; i < rows.length; i++) {
 818                         var row = $("RROW-" + rows[i]);
 819                         if (row) {
 820                                 if (set_state == undefined) {
 821                                         if (row.hasClassName("Unread")) {
 822                                                 row.removeClassName("Unread");
 823                                         } else {
 824                                                 row.addClassName("Unread");
 825                                         }
 826                                 }
 827
 828                                 if (set_state == false) {
 829                                         row.removeClassName("Unread");
 830                                 }
 831
 832                                 if (set_state == true) {
 833                                         row.addClassName("Unread");
 834                                 }
 835                         }
 836                 }
 837
 838                 if (rows.length > 0) {
 839
 840                         var cmode = "";
 841
 842                         if (set_state == undefined) {
 843                                 cmode = "2";
 844                         } else if (set_state == true) {
 845                                 cmode = "1";
 846                         } else if (set_state == false) {
 847                                 cmode = "0";
 848                         }
 849
 850                         var query = "?op=rpc&method=catchupSelected" +
 851                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 852
 853                         notify_progress("Loading, please wait...");
 854
 855                         new Ajax.Request("backend.php", {
 856                                 parameters: query,
 857                                 onComplete: function(transport) {
 858                                         handle_rpc_json(transport);
 859                                         if (callback) callback(transport);
 860                                 } });
 861
 862                 }
 863
 864         } catch (e) {
 865                 exception_error("selectionToggleUnread", e);
 866         }
 867 }
 868
 869 // sel_state ignored
 870 function selectionToggleMarked(sel_state, callback, no_error, ids) {
 871         try {
 872
 873                 var rows = ids ? ids : getSelectedArticleIds2();
 874
 875                 if (rows.length == 0 && !no_error) {
 876                         alert(__("No articles are selected."));
 877                         return;
 878                 }
 879
 880                 for (var i = 0; i < rows.length; i++) {
 881                         toggleMark(rows[i], true, true);
 882                 }
 883
 884                 if (rows.length > 0) {
 885
 886                         var query = "?op=rpc&method=markSelected&ids=" +
 887                                 param_escape(rows.toString()) + "&cmode=2";
 888
 889                         new Ajax.Request("backend.php", {
 890                                 parameters: query,
 891                                 onComplete: function(transport) {
 892                                         handle_rpc_json(transport);
 893                                         if (callback) callback(transport);
 894                                 } });
 895
 896                 }
 897
 898         } catch (e) {
 899                 exception_error("selectionToggleMarked", e);
 900         }
 901 }
 902
 903 // sel_state ignored
 904 function selectionTogglePublished(sel_state, callback, no_error, ids) {
 905         try {
 906
 907                 var rows = ids ? ids : getSelectedArticleIds2();
 908
 909                 if (rows.length == 0 && !no_error) {
 910                         alert(__("No articles are selected."));
 911                         return;
 912                 }
 913
 914                 for (var i = 0; i < rows.length; i++) {
 915                         togglePub(rows[i], true, true);
 916                 }
 917
 918                 if (rows.length > 0) {
 919
 920                         var query = "?op=rpc&method=publishSelected&ids=" +
 921                                 param_escape(rows.toString()) + "&cmode=2";
 922
 923                         new Ajax.Request("backend.php", {
 924                                 parameters: query,
 925                                 onComplete: function(transport) {
 926                                         handle_rpc_json(transport);
 927                                 } });
 928
 929                 }
 930
 931         } catch (e) {
 932                 exception_error("selectionToggleMarked", e);
 933         }
 934 }
 935
 936 function getSelectedArticleIds2() {
 937
 938         var rv = [];
 939
 940         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 941                 function(child) {
 942                         rv.push(child.id.replace("RROW-", ""));
 943                 });
 944
 945         return rv;
 946 }
 947
 948 function getLoadedArticleIds() {
 949         var rv = [];
 950
 951         var children = $$("#headlines-frame > div[id*=RROW-]");
 952
 953         children.each(function(child) {
 954                         rv.push(child.id.replace("RROW-", ""));
 955                 });
 956
 957         return rv;
 958
 959 }
 960
 961 // mode = all,none,unread,invert,marked,published
 962 function selectArticles(mode) {
 963         try {
 964
 965                 var children = $$("#headlines-frame > div[id*=RROW]");
 966
 967                 children.each(function(child) {
 968                         var id = child.id.replace("RROW-", "");
 969
 970                         var cb = dijit.getEnclosingWidget(
 971                                         child.getElementsByClassName("rchk")[0]);
 972
 973                         if (mode == "all") {
 974                                 child.addClassName("Selected");
 975                                 if (cb) cb.attr("checked", true);
 976                         } else if (mode == "unread") {
 977                                 if (child.hasClassName("Unread")) {
 978                                         child.addClassName("Selected");
 979                                         if (cb) cb.attr("checked", true);
 980                                 } else {
 981                                         child.removeClassName("Selected");
 982                                         if (cb) cb.attr("checked", false);
 983                                 }
 984                         } else if (mode == "marked") {
 985                                 if (child.hasClassName("marked")) {
 986                                         child.addClassName("Selected");
 987                                         if (cb) cb.attr("checked", true);
 988                                 } else {
 989                                         child.removeClassName("Selected");
 990                                         if (cb) cb.attr("checked", false);
 991                                 }
 992                         } else if (mode == "published") {
 993                                 if (child.hasClassName("published")) {
 994                                         child.addClassName("Selected");
 995                                         if (cb) cb.attr("checked", true);
 996                                 } else {
 997                                         child.removeClassName("Selected");
 998                                         if (cb) cb.attr("checked", false);
 999                                 }
1000
1001                         } else if (mode == "invert") {
1002                                 if (child.hasClassName("Selected")) {
1003                                         child.removeClassName("Selected");
1004                                         if (cb) cb.attr("checked", false);
1005                                 } else {
1006                                         child.addClassName("Selected");
1007                                         if (cb) cb.attr("checked", true);
1008                                 }
1009
1010                         } else {
1011                                 child.removeClassName("Selected");
1012                                 if (cb) cb.attr("checked", false);
1013                         }
1014                 });
1015
1016                 updateSelectedPrompt();
1017
1018         } catch (e) {
1019                 exception_error("selectArticles", e);
1020         }
1021 }
1022
1023 function deleteSelection() {
1024
1025         try {
1026
1027                 var rows = getSelectedArticleIds2();
1028
1029                 if (rows.length == 0) {
1030                         alert(__("No articles are selected."));
1031                         return;
1032                 }
1033
1034                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1035                 var str;
1036
1037                 if (getActiveFeedId() != 0) {
1038                         str = ngettext("Delete %d selected article in %s?", "Delete %d selected articles in %s?" , rows.length);
1039                 } else {
1040                         str = ngettext("Delete %d selected article?", "Delete %d selected articles?", rows.length);
1041                 }
1042
1043                 str = str.replace("%d", rows.length);
1044                 str = str.replace("%s", fn);
1045
1046                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1047                         return;
1048                 }
1049
1050                 query = "?op=rpc&method=delete&ids=" + param_escape(rows);
1051
1052                 console.log(query);
1053
1054                 new Ajax.Request("backend.php", {
1055                         parameters: query,
1056                         onComplete: function(transport) {
1057                                         handle_rpc_json(transport);
1058                                         viewCurrentFeed();
1059                                 } });
1060
1061         } catch (e) {
1062                 exception_error("deleteSelection", e);
1063         }
1064 }
1065
1066 function archiveSelection() {
1067
1068         try {
1069
1070                 var rows = getSelectedArticleIds2();
1071
1072                 if (rows.length == 0) {
1073                         alert(__("No articles are selected."));
1074                         return;
1075                 }
1076
1077                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1078                 var str;
1079                 var op;
1080
1081                 if (getActiveFeedId() != 0) {
1082                         str = ngettext("Archive %d selected article in %s?", "Archive %d selected articles in %s?", rows.length);
1083                         op = "archive";
1084                 } else {
1085                         str = ngettext("Move %d archived article back?", "Move %d archived articles back?", rows.length);
1086
1087                         str += " " + __("Please note that unstarred articles might get purged on next feed update.");
1088
1089                         op = "unarchive";
1090                 }
1091
1092                 str = str.replace("%d", rows.length);
1093                 str = str.replace("%s", fn);
1094
1095                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1096                         return;
1097                 }
1098
1099                 query = "?op=rpc&method="+op+"&ids=" + param_escape(rows);
1100
1101                 console.log(query);
1102
1103                 for (var i = 0; i < rows.length; i++) {
1104                         cache_delete("article:" + rows[i]);
1105                 }
1106
1107                 new Ajax.Request("backend.php", {
1108                         parameters: query,
1109                         onComplete: function(transport) {
1110                                         handle_rpc_json(transport);
1111                                         viewCurrentFeed();
1112                                 } });
1113
1114         } catch (e) {
1115                 exception_error("archiveSelection", e);
1116         }
1117 }
1118
1119 function catchupSelection() {
1120
1121         try {
1122
1123                 var rows = getSelectedArticleIds2();
1124
1125                 if (rows.length == 0) {
1126                         alert(__("No articles are selected."));
1127                         return;
1128                 }
1129
1130                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1131
1132                 var str = ngettext("Mark %d selected article in %s as read?", "Mark %d selected articles in %s as read?", rows.length);
1133
1134                 str = str.replace("%d", rows.length);
1135                 str = str.replace("%s", fn);
1136
1137                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1138                         return;
1139                 }
1140
1141                 selectionToggleUnread(false, 'viewCurrentFeed()', true);
1142
1143         } catch (e) {
1144                 exception_error("catchupSelection", e);
1145         }
1146 }
1147
1148 function editArticleTags(id) {
1149                 var query = "backend.php?op=article&method=editArticleTags&param=" + param_escape(id);
1150
1151                 if (dijit.byId("editTagsDlg"))
1152                         dijit.byId("editTagsDlg").destroyRecursive();
1153
1154                 dialog = new dijit.Dialog({
1155                         id: "editTagsDlg",
1156                         title: __("Edit article Tags"),
1157                         style: "width: 600px",
1158                         execute: function() {
1159                                 if (this.validate()) {
1160                                         var query = dojo.objectToQuery(this.attr('value'));
1161
1162                                         notify_progress("Saving article tags...", true);
1163
1164                                         new Ajax.Request("backend.php", {
1165                                         parameters: query,
1166                                         onComplete: function(transport) {
1167                                                 try {
1168                                                         notify('');
1169                                                         dialog.hide();
1170
1171                                                         var data = JSON.parse(transport.responseText);
1172
1173                                                         if (data) {
1174                                                                 var id = data.id;
1175
1176                                                                 console.log(id);
1177
1178                                                                 var tags = $("ATSTR-" + id);
1179                                                                 var tooltip = dijit.byId("ATSTRTIP-" + id);
1180
1181                                                                 if (tags) tags.innerHTML = data.content;
1182                                                                 if (tooltip) tooltip.attr('label', data.content_full);
1183                                                         }
1184                                                 } catch (e) {
1185                                                         exception_error("editArticleTags/inner", e);
1186                                                 }
1187
1188                                         }});
1189                                 }
1190                         },
1191                         href: query,
1192                 });
1193
1194                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1195                 dojo.disconnect(tmph);
1196
1197                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1198                            "backend.php?op=article&method=completeTags",
1199                            { tokens: ',', paramName: "search" });
1200                 });
1201
1202                 dialog.show();
1203
1204 }
1205
1206 function cdmScrollToArticleId(id, force) {
1207         try {
1208                 var ctr = $("headlines-frame");
1209                 var e = $("RROW-" + id);
1210
1211                 if (!e || !ctr) return;
1212
1213                 if (force || e.offsetTop+e.offsetHeight > (ctr.scrollTop+ctr.offsetHeight) ||
1214                                 e.offsetTop < ctr.scrollTop) {
1215
1216                         // expanded cdm has a 4px margin now
1217                         ctr.scrollTop = parseInt(e.offsetTop) - 4;
1218                 }
1219
1220         } catch (e) {
1221                 exception_error("cdmScrollToArticleId", e);
1222         }
1223 }
1224
1225 function setActiveArticleId(id) {
1226         _active_article_id = id;
1227         PluginHost.run(PluginHost.HOOK_ARTICLE_SET_ACTIVE, _active_article_id);
1228 }
1229
1230 function getActiveArticleId() {
1231         return _active_article_id;
1232 }
1233
1234 function postMouseIn(e, id) {
1235         post_under_pointer = id;
1236 }
1237
1238 function postMouseOut(id) {
1239         post_under_pointer = false;
1240 }
1241
1242 function unpackVisibleHeadlines() {
1243         try {
1244                 if (!isCdmMode()) return;
1245
1246                 $$("#headlines-frame > div[id*=RROW]").each(
1247                         function(child) {
1248                                 if (child.offsetTop <= $("headlines-frame").scrollTop +
1249                                         $("headlines-frame").offsetHeight) {
1250
1251                                         var cencw = $("CENCW-" + child.id.replace("RROW-", ""));
1252
1253                                         if (cencw) {
1254                                                 PluginHost.run(PluginHost.HOOK_ARTICLE_RENDERED_CDM, child);
1255
1256                                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1257                                                 cencw.setAttribute('id', '');
1258                                                 Element.show(cencw);
1259                                         }
1260                                 }
1261                         }
1262                 );
1263
1264         } catch (e) {
1265                 exception_error("unpackVisibleHeadlines", e);
1266         }
1267 }
1268
1269 function headlines_scroll_handler(e) {
1270         try {
1271                 var hsp = $("headlines-spacer");
1272
1273                 unpackVisibleHeadlines();
1274
1275                 // set topmost child in the buffer as active
1276                 if (getInitParam("cdm_auto_catchup") == 1 &&
1277                                 (!isCdmMode() || getInitParam("cdm_expanded"))) {
1278                         var rows = $$("#headlines-frame > div[id*=RROW]");
1279
1280                         for (var i = 0; i < rows.length; i++) {
1281                                 var child = rows[i];
1282
1283                                 if ($("headlines-frame").scrollTop < child.offsetTop &&
1284                                         child.offsetTop - $("headlines-frame").scrollTop < 100) {
1285
1286                                         if (_active_article_id) {
1287                                                 var row = $("RROW-" + _active_article_id);
1288                                                 if (row) row.removeClassName("active");
1289                                         }
1290
1291                                         _active_article_id = child.id.replace("RROW-", "");
1292                                         showArticleInHeadlines(_active_article_id, true);
1293                                         updateSelectedPrompt();
1294                                         break;
1295                                 }
1296                         }
1297                 }
1298
1299                 if (!_infscroll_disable) {
1300                         if ((hsp && e.scrollTop + e.offsetHeight >= hsp.offsetTop - hsp.offsetHeight) ||
1301                                         (e.scrollHeight != 0 &&
1302                                                 ((e.scrollTop + e.offsetHeight) / e.scrollHeight >= 0.7))) {
1303
1304                                 if (hsp)
1305                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1306                                                 __("Loading, please wait...");
1307
1308                                 loadMoreHeadlines();
1309                                 return;
1310
1311                         }
1312                 } else {
1313                         if (hsp) hsp.innerHTML = "";
1314                 }
1315
1316                 if (getInitParam("cdm_expanded") && isCdmMode()) {
1317                         updateFloatingTitle();
1318                 }
1319
1320                 if (getInitParam("cdm_auto_catchup") == 1) {
1321
1322                         // let's get DOM some time to settle down
1323                         var ts = new Date().getTime();
1324                         if (ts - _last_headlines_update < 100) return;
1325
1326                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1327                                 function(child) {
1328                                         if (child.hasClassName("Unread") && $("headlines-frame").scrollTop >
1329                                                         (child.offsetTop + child.offsetHeight/2)) {
1330
1331                                                 var id = child.id.replace("RROW-", "");
1332
1333                                                 if (catchup_id_batch.indexOf(id) == -1)
1334                                                         catchup_id_batch.push(id);
1335
1336                                                 //console.log("auto_catchup_batch: " + catchup_id_batch.toString());
1337                                         }
1338
1339                                 });
1340
1341                         if (catchup_id_batch.length > 0) {
1342                                 window.clearTimeout(catchup_timeout_id);
1343
1344                                 if (!_infscroll_request_sent) {
1345                                         catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1346                                                 500);
1347                                 }
1348                         }
1349                 }
1350
1351         } catch (e) {
1352                 console.warn("headlines_scroll_handler: " + e);
1353         }
1354 }
1355
1356 function catchupBatchedArticles() {
1357         try {
1358                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1359
1360                         // make a copy of the array
1361                         var batch = catchup_id_batch.slice();
1362                         var query = "?op=rpc&method=catchupSelected" +
1363                                 "&cmode=0&ids=" + param_escape(batch.toString());
1364
1365                         console.log(query);
1366
1367                         new Ajax.Request("backend.php", {
1368                                 parameters: query,
1369                                 onComplete: function(transport) {
1370                                         handle_rpc_json(transport);
1371
1372                                         reply = JSON.parse(transport.responseText);
1373                                         var batch = reply.ids;
1374
1375                                         batch.each(function(id) {
1376                                                 console.log(id);
1377                                                 var elem = $("RROW-" + id);
1378                                                 if (elem) elem.removeClassName("Unread");
1379                                                 catchup_id_batch.remove(id);
1380                                         });
1381
1382                                 } });
1383                 }
1384
1385         } catch (e) {
1386                 exception_error("catchupBatchedArticles", e);
1387         }
1388 }
1389
1390 function catchupRelativeToArticle(below, id) {
1391
1392         try {
1393
1394                 if (!id) id = getActiveArticleId();
1395
1396                 if (!id) {
1397                         alert(__("No article is selected."));
1398                         return;
1399                 }
1400
1401                 var visible_ids = getVisibleArticleIds();
1402
1403                 var ids_to_mark = new Array();
1404
1405                 if (!below) {
1406                         for (var i = 0; i < visible_ids.length; i++) {
1407                                 if (visible_ids[i] != id) {
1408                                         var e = $("RROW-" + visible_ids[i]);
1409
1410                                         if (e && e.hasClassName("Unread")) {
1411                                                 ids_to_mark.push(visible_ids[i]);
1412                                         }
1413                                 } else {
1414                                         break;
1415                                 }
1416                         }
1417                 } else {
1418                         for (var i = visible_ids.length-1; i >= 0; i--) {
1419                                 if (visible_ids[i] != id) {
1420                                         var e = $("RROW-" + visible_ids[i]);
1421
1422                                         if (e && e.hasClassName("Unread")) {
1423                                                 ids_to_mark.push(visible_ids[i]);
1424                                         }
1425                                 } else {
1426                                         break;
1427                                 }
1428                         }
1429                 }
1430
1431                 if (ids_to_mark.length == 0) {
1432                         alert(__("No articles found to mark"));
1433                 } else {
1434                         var msg = ngettext("Mark %d article as read?", "Mark %d articles as read?", ids_to_mark.length).replace("%d", ids_to_mark.length);
1435
1436                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1437
1438                                 for (var i = 0; i < ids_to_mark.length; i++) {
1439                                         var e = $("RROW-" + ids_to_mark[i]);
1440                                         e.removeClassName("Unread");
1441                                 }
1442
1443                                 var query = "?op=rpc&method=catchupSelected" +
1444                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1445
1446                                 new Ajax.Request("backend.php", {
1447                                         parameters: query,
1448                                         onComplete: function(transport) {
1449                                                 handle_rpc_json(transport);
1450                                         } });
1451
1452                         }
1453                 }
1454
1455         } catch (e) {
1456                 exception_error("catchupRelativeToArticle", e);
1457         }
1458 }
1459
1460 function cdmCollapseArticle(event, id, unmark) {
1461         try {
1462                 if (unmark == undefined) unmark = true;
1463
1464                 var row = $("RROW-" + id);
1465                 var elem = $("CICD-" + id);
1466
1467                 if (elem && row) {
1468                         var collapse = $$("div#RROW-" + id +
1469                                 " span[class='collapseBtn']")[0];
1470
1471                         Element.hide(elem);
1472                         Element.show("CEXC-" + id);
1473                         Element.hide(collapse);
1474
1475                         if (unmark) {
1476                                 row.removeClassName("active");
1477
1478                                 markHeadline(id, false);
1479
1480                                 if (id == getActiveArticleId()) {
1481                                         setActiveArticleId(0);
1482                                 }
1483
1484                                 updateSelectedPrompt();
1485                         }
1486
1487                         if (event) Event.stop(event);
1488
1489                         PluginHost.run(PluginHost.HOOK_ARTICLE_COLLAPSED, id);
1490                 }
1491
1492         } catch (e) {
1493                 exception_error("cdmCollapseArticle", e);
1494         }
1495 }
1496
1497 function cdmExpandArticle(id, noexpand) {
1498         try {
1499                 console.log("cdmExpandArticle " + id);
1500
1501                 if (!$("RROW-" + id)) return false;
1502
1503                 var oldrow = $("RROW-" + getActiveArticleId());
1504
1505                 var elem = $("CICD-" + getActiveArticleId());
1506
1507                 if (id == getActiveArticleId() && Element.visible(elem))
1508                         return true;
1509
1510                 selectArticles("none");
1511
1512                 var old_offset = $("RROW-" + id).offsetTop;
1513
1514                 if (getActiveArticleId() && elem && !getInitParam("cdm_expanded")) {
1515                         var collapse = $$("div#RROW-" + getActiveArticleId() +
1516                                 " span[class='collapseBtn']")[0];
1517
1518                         Element.hide(elem);
1519                         Element.show("CEXC-" + getActiveArticleId());
1520                         Element.hide(collapse);
1521                 }
1522
1523                 if (oldrow) oldrow.removeClassName("active");
1524
1525                 setActiveArticleId(id);
1526
1527                 elem = $("CICD-" + id);
1528
1529                 var collapse = $$("div#RROW-" + id +
1530                                 " span[class='collapseBtn']")[0];
1531
1532                 var cencw = $("CENCW-" + id);
1533
1534                 if (!Element.visible(elem) && !noexpand) {
1535                         if (cencw) {
1536                                 cencw.innerHTML = htmlspecialchars_decode(cencw.innerHTML);
1537                                 cencw.setAttribute('id', '');
1538                                 Element.show(cencw);
1539                         }
1540
1541                         Element.show(elem);
1542                         Element.hide("CEXC-" + id);
1543                         Element.show(collapse);
1544                 }
1545
1546                 var new_offset = $("RROW-" + id).offsetTop;
1547
1548                 if (old_offset > new_offset)
1549                         $("headlines-frame").scrollTop -= (old_offset-new_offset);
1550
1551                 if (!noexpand)
1552                         toggleUnread(id, 0, true);
1553                 toggleSelected(id);
1554                 $("RROW-" + id).addClassName("active");
1555
1556                 PluginHost.run(PluginHost.HOOK_ARTICLE_EXPANDED, id);
1557
1558         } catch (e) {
1559                 exception_error("cdmExpandArticle", e);
1560         }
1561
1562         return false;
1563 }
1564
1565 function getArticleUnderPointer() {
1566         return post_under_pointer;
1567 }
1568
1569 function scrollArticle(offset) {
1570         try {
1571                 if (!isCdmMode()) {
1572                         var ci = $("content-insert");
1573                         if (ci) {
1574                                 ci.scrollTop += offset;
1575                         }
1576                 } else {
1577                         var hi = $("headlines-frame");
1578                         if (hi) {
1579                                 hi.scrollTop += offset;
1580                         }
1581
1582                 }
1583         } catch (e) {
1584                 exception_error("scrollArticle", e);
1585         }
1586 }
1587
1588 function show_labels_in_headlines(transport) {
1589         try {
1590                 var data = JSON.parse(transport.responseText);
1591
1592                 if (data) {
1593                         data['info-for-headlines'].each(function(elem) {
1594                                 var ctr = $("HLLCTR-" + elem.id);
1595
1596                                 if (ctr) ctr.innerHTML = elem.labels;
1597                         });
1598                 }
1599         } catch (e) {
1600                 exception_error("show_labels_in_headlines", e);
1601         }
1602 }
1603
1604 function dismissArticle(id) {
1605         try {
1606                 var elem = $("RROW-" + id);
1607
1608                 if (!elem) return;
1609
1610                 toggleUnread(id, 0, true);
1611
1612                 new Effect.Fade(elem, {duration : 0.5});
1613
1614                 // Remove the content, too
1615                 var elem_content = $("CICD-" + id);
1616                 Element.remove(elem_content);
1617
1618                 if (id == getActiveArticleId()) {
1619                         setActiveArticleId(0);
1620                 }
1621
1622         } catch (e) {
1623                 exception_error("dismissArticle", e);
1624         }
1625 }
1626
1627 function dismissSelectedArticles() {
1628         try {
1629
1630                 var ids = getVisibleArticleIds();
1631                 var tmp = [];
1632                 var sel = [];
1633
1634                 for (var i = 0; i < ids.length; i++) {
1635                         var elem = $("RROW-" + ids[i]);
1636
1637                         if (elem.className && elem.hasClassName("Selected") &&
1638                                         ids[i] != getActiveArticleId()) {
1639                                 new Effect.Fade(elem, {duration : 0.5});
1640                                 sel.push(ids[i]);
1641
1642                                 // Remove the content, too
1643                                 var elem_content = $("CICD-" + ids[i]);
1644                                 Element.remove(elem_content);
1645                         } else {
1646                                 tmp.push(ids[i]);
1647                         }
1648                 }
1649
1650                 if (sel.length > 0)
1651                         selectionToggleUnread(false);
1652
1653
1654         } catch (e) {
1655                 exception_error("dismissSelectedArticles", e);
1656         }
1657 }
1658
1659 function dismissReadArticles() {
1660         try {
1661
1662                 var ids = getVisibleArticleIds();
1663                 var tmp = [];
1664
1665                 for (var i = 0; i < ids.length; i++) {
1666                         var elem = $("RROW-" + ids[i]);
1667
1668                         if (elem.className && !elem.hasClassName("Unread") &&
1669                                         !elem.hasClassName("Selected")) {
1670
1671                                 new Effect.Fade(elem, {duration : 0.5});
1672
1673                                 // Remove the content, too
1674                                 var elem_content = $("CICD-" + ids[i]);
1675                                 Element.remove(elem_content);
1676                         } else {
1677                                 tmp.push(ids[i]);
1678                         }
1679                 }
1680
1681         } catch (e) {
1682                 exception_error("dismissSelectedArticles", e);
1683         }
1684 }
1685
1686 function getVisibleArticleIds() {
1687         var ids = [];
1688
1689         try {
1690
1691                 getLoadedArticleIds().each(function(id) {
1692                         var elem = $("RROW-" + id);
1693                         if (elem && Element.visible(elem))
1694                                 ids.push(id);
1695                         });
1696
1697         } catch (e) {
1698                 exception_error("getVisibleArticleIds", e);
1699         }
1700
1701         return ids;
1702 }
1703
1704 function cdmClicked(event, id) {
1705         try {
1706                 //var shift_key = event.shiftKey;
1707
1708                 if (!event.ctrlKey) {
1709
1710                         if (!getInitParam("cdm_expanded")) {
1711                                 return cdmExpandArticle(id);
1712                         } else {
1713
1714                                 var elem = $("RROW-" + getActiveArticleId());
1715
1716                                 if (elem) elem.removeClassName("active");
1717
1718                                 selectArticles("none");
1719                                 toggleSelected(id);
1720
1721                                 var elem = $("RROW-" + id);
1722                                 var article_is_unread = elem.hasClassName("Unread");
1723
1724                                 elem.removeClassName("Unread");
1725                                 elem.addClassName("active");
1726
1727                                 setActiveArticleId(id);
1728
1729                                 if (article_is_unread) {
1730                                         decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1731                                 }
1732
1733                                 var query = "?op=rpc&method=catchupSelected" +
1734                                         "&cmode=0&ids=" + param_escape(id);
1735
1736                                 new Ajax.Request("backend.php", {
1737                                         parameters: query,
1738                                         onComplete: function(transport) {
1739                                                 handle_rpc_json(transport);
1740                                         } });
1741
1742                                 return !event.shiftKey;
1743                         }
1744
1745                 } else {
1746                         toggleSelected(id, true);
1747
1748                         var elem = $("RROW-" + id);
1749                         var article_is_unread = elem.hasClassName("Unread");
1750
1751                         if (article_is_unread) {
1752                                 decrementFeedCounter(getActiveFeedId(), activeFeedIsCat());
1753                         }
1754
1755                         toggleUnread(id, 0, false);
1756
1757                         openArticleInNewWindow(id);
1758                 }
1759
1760                 var unread_in_buffer = $$("#headlines-frame > div[id*=RROW][class*=Unread]").length
1761                 request_counters(unread_in_buffer == 0);
1762
1763         } catch (e) {
1764                 exception_error("cdmClicked");
1765         }
1766
1767         return false;
1768 }
1769
1770 function hlClicked(event, id) {
1771         try {
1772                 if (event.which == 2) {
1773                         view(id);
1774                         return true;
1775                 } else if (event.ctrlKey) {
1776                         toggleSelected(id, true);
1777                         toggleUnread(id, 0, false);
1778                         openArticleInNewWindow(id);
1779                         return false;
1780                 } else {
1781                         view(id);
1782                         return false;
1783                 }
1784
1785         } catch (e) {
1786                 exception_error("hlClicked");
1787         }
1788 }
1789
1790 function getFirstVisibleHeadlineId() {
1791         var rows = getVisibleArticleIds();
1792         return rows[0];
1793
1794 }
1795
1796 function getLastVisibleHeadlineId() {
1797         var rows = getVisibleArticleIds();
1798         return rows[rows.length-1];
1799 }
1800
1801 function openArticleInNewWindow(id) {
1802         toggleUnread(id, 0, false);
1803         window.open("backend.php?op=article&method=redirect&id=" + id);
1804 }
1805
1806 function isCdmMode() {
1807         return getInitParam("combined_display_mode");
1808 }
1809
1810 function markHeadline(id, marked) {
1811         if (marked == undefined) marked = true;
1812
1813         var row = $("RROW-" + id);
1814         if (row) {
1815                 var check = dijit.getEnclosingWidget(
1816                                 row.getElementsByClassName("rchk")[0]);
1817
1818                 if (check) {
1819                         check.attr("checked", marked);
1820                 }
1821
1822                 if (marked)
1823                         row.addClassName("Selected");
1824                 else
1825                         row.removeClassName("Selected");
1826         }
1827 }
1828
1829 function getRelativePostIds(id, limit) {
1830
1831         var tmp = [];
1832
1833         try {
1834
1835                 if (!limit) limit = 6; //3
1836
1837                 var ids = getVisibleArticleIds();
1838
1839                 for (var i = 0; i < ids.length; i++) {
1840                         if (ids[i] == id) {
1841                                 for (var k = 1; k <= limit; k++) {
1842                                         //if (i > k-1) tmp.push(ids[i-k]);
1843                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1844                                 }
1845                                 break;
1846                         }
1847                 }
1848
1849         } catch (e) {
1850                 exception_error("getRelativePostIds", e);
1851         }
1852
1853         return tmp;
1854 }
1855
1856 function correctHeadlinesOffset(id) {
1857
1858         try {
1859
1860                 var container = $("headlines-frame");
1861                 var row = $("RROW-" + id);
1862
1863                 if (!container || !row) return;
1864
1865                 var viewport = container.offsetHeight;
1866
1867                 var rel_offset_top = row.offsetTop - container.scrollTop;
1868                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1869
1870                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1871                 //console.log("Vport: " + viewport);
1872
1873                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1874                         container.scrollTop = row.offsetTop;
1875                 } else if (rel_offset_bottom > viewport) {
1876
1877                         /* doesn't properly work with Opera in some cases because
1878                                 Opera fucks up element scrolling */
1879
1880                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1881                 }
1882
1883         } catch (e) {
1884                 exception_error("correctHeadlinesOffset", e);
1885         }
1886
1887 }
1888
1889 function headlineActionsChange(elem) {
1890         try {
1891                 eval(elem.value);
1892                 elem.attr('value', 'false');
1893         } catch (e) {
1894                 exception_error("headlineActionsChange", e);
1895         }
1896 }
1897
1898 function closeArticlePanel() {
1899
1900         if (dijit.byId("content-insert"))
1901                 dijit.byId("headlines-wrap-inner").removeChild(
1902                         dijit.byId("content-insert"));
1903 }
1904
1905 function initHeadlinesMenu() {
1906         try {
1907                 if (dijit.byId("headlinesMenu"))
1908                         dijit.byId("headlinesMenu").destroyRecursive();
1909
1910                 var ids = [];
1911
1912                 if (!isCdmMode()) {
1913                         nodes = $$("#headlines-frame > div[id*=RROW]");
1914                 } else {
1915                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1916                 }
1917
1918                 nodes.each(function(node) {
1919                         ids.push(node.id);
1920                 });
1921
1922                 var menu = new dijit.Menu({
1923                         id: "headlinesMenu",
1924                         targetNodeIds: ids,
1925                 });
1926
1927                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1928                         var callerNode = event.target, match = null, tries = 0;
1929
1930                         while (match == null && callerNode && tries <= 3) {
1931                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1932                                 callerNode = callerNode.parentNode;
1933                                 ++tries;
1934                         }
1935
1936                         if (match) this.callerRowId = parseInt(match[1]);
1937
1938                 });
1939
1940 /*              if (!isCdmMode())
1941                         menu.addChild(new dijit.MenuItem({
1942                                 label: __("View article"),
1943                                 onClick: function(event) {
1944                                         view(this.getParent().callerRowId);
1945                                 }})); */
1946
1947                 menu.addChild(new dijit.MenuItem({
1948                         label: __("Open original article"),
1949                         onClick: function(event) {
1950                                 openArticleInNewWindow(this.getParent().callerRowId);
1951                         }}));
1952
1953                 menu.addChild(new dijit.MenuItem({
1954                         label: __("Display article URL"),
1955                         onClick: function(event) {
1956                                 displayArticleUrl(this.getParent().callerRowId);
1957                         }}));
1958
1959                 menu.addChild(new dijit.MenuSeparator());
1960
1961                 menu.addChild(new dijit.MenuItem({
1962                         label: __("Toggle unread"),
1963                         onClick: function(event) {
1964                                 var ids = getSelectedArticleIds2();
1965                                 // cast to string
1966                                 var id = this.getParent().callerRowId + "";
1967                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1968
1969                                 selectionToggleUnread(undefined, false, true, ids);
1970                                 }}));
1971
1972                 menu.addChild(new dijit.MenuItem({
1973                         label: __("Toggle starred"),
1974                         onClick: function(event) {
1975                                 var ids = getSelectedArticleIds2();
1976                                 // cast to string
1977                                 var id = this.getParent().callerRowId + "";
1978                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1979
1980                                 selectionToggleMarked(undefined, false, true, ids);
1981                                 }}));
1982
1983                 menu.addChild(new dijit.MenuItem({
1984                         label: __("Toggle published"),
1985                         onClick: function(event) {
1986                                 var ids = getSelectedArticleIds2();
1987                                 // cast to string
1988                                 var id = this.getParent().callerRowId + "";
1989                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
1990
1991                                 selectionTogglePublished(undefined, false, true, ids);
1992                                 }}));
1993
1994                 menu.addChild(new dijit.MenuSeparator());
1995
1996                 menu.addChild(new dijit.MenuItem({
1997                         label: __("Mark above as read"),
1998                         onClick: function(event) {
1999                                 catchupRelativeToArticle(0, this.getParent().callerRowId);
2000                                 }}));
2001
2002                 menu.addChild(new dijit.MenuItem({
2003                         label: __("Mark below as read"),
2004                         onClick: function(event) {
2005                                 catchupRelativeToArticle(1, this.getParent().callerRowId);
2006                                 }}));
2007
2008
2009                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
2010
2011                 if (labels) {
2012
2013                         menu.addChild(new dijit.MenuSeparator());
2014
2015                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
2016                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
2017
2018                         labels.each(function(label) {
2019                                 var id = label.id[0];
2020                                 var bare_id = id.substr(id.indexOf(":")+1);
2021                                 var name = label.name[0];
2022
2023                                 bare_id = feed_to_label_id(bare_id);
2024
2025                                 labelAddMenu.addChild(new dijit.MenuItem({
2026                                         label: name,
2027                                         labelId: bare_id,
2028                                         onClick: function(event) {
2029                                                 var ids = getSelectedArticleIds2();
2030                                                 // cast to string
2031                                                 var id = this.getParent().ownerMenu.callerRowId + "";
2032
2033                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2034
2035                                                 selectionAssignLabel(this.labelId, ids);
2036                                 }}));
2037
2038                                 labelDelMenu.addChild(new dijit.MenuItem({
2039                                         label: name,
2040                                         labelId: bare_id,
2041                                         onClick: function(event) {
2042                                                 var ids = getSelectedArticleIds2();
2043                                                 // cast to string
2044                                                 var id = this.getParent().ownerMenu.callerRowId + "";
2045
2046                                                 ids = ids.size() != 0 && ids.indexOf(id) != -1 ? ids : [id];
2047
2048                                                 selectionRemoveLabel(this.labelId, ids);
2049                                 }}));
2050
2051                         });
2052
2053                         menu.addChild(new dijit.PopupMenuItem({
2054                                 label: __("Assign label"),
2055                                 popup: labelAddMenu,
2056                         }));
2057
2058                         menu.addChild(new dijit.PopupMenuItem({
2059                                 label: __("Remove label"),
2060                                 popup: labelDelMenu,
2061                         }));
2062
2063                 }
2064
2065                 menu.startup();
2066
2067         } catch (e) {
2068                 exception_error("initHeadlinesMenu", e);
2069         }
2070 }
2071
2072 function cache_set(id, obj) {
2073         //console.log("cache_set: " + id);
2074         if (has_storage)
2075                 try {
2076                         sessionStorage[id] = obj;
2077                 } catch (e) {
2078                         sessionStorage.clear();
2079                 }
2080 }
2081
2082 function cache_get(id) {
2083         if (has_storage)
2084                 return sessionStorage[id];
2085 }
2086
2087 function cache_clear() {
2088         if (has_storage)
2089                 sessionStorage.clear();
2090 }
2091
2092 function cache_delete(id) {
2093         if (has_storage)
2094                 sessionStorage.removeItem(id);
2095 }
2096
2097 function cancelSearch() {
2098         try {
2099                 _search_query = "";
2100                 viewCurrentFeed();
2101         } catch (e) {
2102                 exception_error("cancelSearch", e);
2103         }
2104 }
2105
2106 function setSelectionScore() {
2107         try {
2108                 var ids = getSelectedArticleIds2();
2109
2110                 if (ids.length > 0) {
2111                         console.log(ids);
2112
2113                         var score = prompt(__("Please enter new score for selected articles:"), score);
2114
2115                         if (score != undefined) {
2116                                 var query = "op=article&method=setScore&id=" + param_escape(ids.toString()) +
2117                                         "&score=" + param_escape(score);
2118
2119                                 new Ajax.Request("backend.php", {
2120                                         parameters: query,
2121                                         onComplete: function(transport) {
2122                                                 var reply = JSON.parse(transport.responseText);
2123                                                 if (reply) {
2124                                                         console.log(ids);
2125
2126                                                         ids.each(function(id) {
2127                                                                 var row = $("RROW-" + id);
2128
2129                                                                 if (row) {
2130                                                                         var pic = row.getElementsByClassName("hlScorePic")[0];
2131
2132                                                                         if (pic) {
2133                                                                                 pic.src = pic.src.replace(/score_.*?\.png/,
2134                                                                                         reply["score_pic"]);
2135                                                                                 pic.setAttribute("score", score);
2136                                                                         }
2137                                                                 }
2138                                                         });
2139                                                 }
2140                                         } });
2141                         }
2142
2143                 } else {
2144                         alert(__("No articles are selected."));
2145                 }
2146         } catch (e) {
2147                 exception_error("setSelectionScore", e);
2148         }
2149 }
2150
2151 function changeScore(id, pic) {
2152         try {
2153                 var score = pic.getAttribute("score");
2154
2155                 var new_score = prompt(__("Please enter new score for this article:"), score);
2156
2157                 if (new_score != undefined) {
2158
2159                         var query = "op=article&method=setScore&id=" + param_escape(id) +
2160                                 "&score=" + param_escape(new_score);
2161
2162                         new Ajax.Request("backend.php", {
2163                                 parameters: query,
2164                                 onComplete: function(transport) {
2165                                         var reply = JSON.parse(transport.responseText);
2166
2167                                         if (reply) {
2168                                                 pic.src = pic.src.replace(/score_.*?\.png/, reply["score_pic"]);
2169                                                 pic.setAttribute("score", new_score);
2170                                         }
2171                                 } });
2172                 }
2173         } catch (e) {
2174                 exception_error("changeScore", e);
2175         }
2176 }
2177
2178 function displayArticleUrl(id) {
2179         try {
2180                 var query = "op=rpc&method=getlinktitlebyid&id=" + param_escape(id);
2181
2182                         new Ajax.Request("backend.php", {
2183                                 parameters: query,
2184                                 onComplete: function(transport) {
2185                                         var reply = JSON.parse(transport.responseText);
2186
2187                                         if (reply && reply.link) {
2188                                                 prompt(__("Article URL:"), reply.link);
2189                                         }
2190                                 } });
2191         } catch (e) {
2192                 exception_error("changeScore", e);
2193         }
2194 }
2195
2196 function openSelectedAttachment(elem) {
2197         try {
2198                 var url = elem[elem.selectedIndex].value;
2199
2200                 if (url) {
2201                         window.open(url);
2202                         elem.selectedIndex = 0;
2203                 }
2204
2205         } catch (e) {
2206                 exception_error("openSelectedAttachment", e);
2207         }
2208 }
2209
2210 function updateFloatingTitle() {
2211         try {
2212                 var hf = $("headlines-frame");
2213
2214                 var elems = $$("#headlines-frame > div[id*=RROW]");
2215
2216                 for (var i = 0; i < elems.length; i++) {
2217                         var child = elems[i];
2218
2219                         if (child.offsetTop + child.offsetHeight > hf.scrollTop) {
2220
2221                                 var header = child.getElementsByClassName("cdmHeader")[0];
2222
2223                                 if (child.id != $("floatingTitle").getAttribute("rowid")) {
2224                                         $("floatingTitle").setAttribute("rowid", child.id);
2225                                         $("floatingTitle").innerHTML = header.innerHTML;
2226                                 }
2227
2228                                 if (child.offsetTop < hf.scrollTop - header.offsetHeight - 100 &&
2229                                                 child.offsetTop + child.offsetHeight - hf.scrollTop > 100)
2230                                         Element.show("floatingTitle");
2231                                 else
2232                                         Element.hide("floatingTitle");
2233
2234                                 break;
2235                         }
2236                 }
2237         } catch (e) {
2238                 exception_error("updateFloatingTitle", e);
2239         }
2240 }