viewfeed.js

   1 var active_post_id = false;
   2 var last_article_view = false;
   3 var active_real_feed_id = false;
   4
   5 var _cdm_wd_timeout = false;
   6 var _cdm_wd_vishist = new Array();
   7
   8 var article_cache = new Array();
   9
  10 var vgroup_last_feed = false;
  11 var post_under_pointer = false;
  12
  13 var last_requested_article = false;
  14
  15 var preload_id_batch = [];
  16 var preload_timeout_id = false;
  17
  18 var cache_added = [];
  19
  20 function catchup_callback2(transport, callback) {
  21         try {
  22                 console.log("catchup_callback2 " + transport + ", " + callback);
  23                 notify("");
  24                 handle_rpc_reply(transport);
  25                 if (callback) {
  26                         setTimeout(callback, 10);
  27                 }
  28         } catch (e) {
  29                 exception_error("catchup_callback2", e, transport);
  30         }
  31 }
  32
  33 function headlines_callback2(transport, feed_cur_page) {
  34         try {
  35
  36                 if (!handle_rpc_reply(transport)) return;
  37
  38                 loading_set_progress(25);
  39
  40                 console.log("headlines_callback2 [page=" + feed_cur_page + "]");
  41
  42                 if (!transport_error_check(transport)) return;
  43
  44                 var is_cat = false;
  45                 var feed_id = false;
  46
  47                 if (transport.responseXML) {
  48                         var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
  49                         if (headlines) {
  50                                 is_cat = headlines.getAttribute("is_cat");
  51                                 feed_id = headlines.getAttribute("id");
  52                                 setActiveFeedId(feed_id, is_cat);
  53                         }
  54                 }
  55
  56                 var update_btn = document.forms["main_toolbar_form"].update;
  57
  58                 update_btn.disabled = !(feed_id >= 0 && !is_cat);
  59
  60                 try {
  61                         if (feed_cur_page == 0) {
  62                                 $("headlines-frame").scrollTop = 0;
  63                         }
  64                 } catch (e) { };
  65
  66                 if (transport.responseXML) {
  67                         var response = transport.responseXML;
  68
  69                         var headlines = response.getElementsByTagName("headlines")[0];
  70
  71                         var headlines_content = headlines.getElementsByTagName("content")[0];
  72                         var headlines_toolbar = headlines.getElementsByTagName("toolbar")[0];
  73
  74                         var headlines_info = response.getElementsByTagName("headlines-info")[0];
  75
  76                         if (headlines_info)
  77                                 headlines_info = JSON.parse(headlines_info.firstChild.nodeValue);
  78                         else {
  79                                 console.error("didn't find headlines-info object in response");
  80                                 return;
  81                         }
  82
  83                         var headlines_count = headlines_info.count;
  84                         var headlines_unread = headlines_info.unread;
  85                         var disable_cache = headlines_info.disable_cache;
  86
  87                         vgroup_last_feed = headlines_info.vgroup_last_feed;
  88
  89                         if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
  90                                 _infscroll_disable = 1;
  91                         } else {
  92                                 _infscroll_disable = 0;
  93                         }
  94
  95                         var counters = response.getElementsByTagName("counters")[0];
  96                         var articles = response.getElementsByTagName("article");
  97                         var runtime_info = response.getElementsByTagName("runtime-info");
  98
  99                         if (feed_cur_page == 0) {
 100                                 if (headlines) {
 101                                         dijit.byId("headlines-frame").attr('content',
 102                                                 headlines_content.firstChild.nodeValue);
 103
 104                                         dijit.byId("headlines-toolbar").attr('content',
 105                                                 headlines_toolbar.firstChild.nodeValue);
 106
 107                                         initHeadlinesMenu();
 108
 109                                         var cache_prefix = "";
 110
 111                                         if (is_cat) {
 112                                                 cache_prefix = "C:";
 113                                         } else {
 114                                                 cache_prefix = "F:";
 115                                         }
 116
 117                                         cache_invalidate(cache_prefix + feed_id);
 118
 119                                         if (!disable_cache) {
 120                                                 cache_inject(cache_prefix + feed_id,
 121                                                         $("headlines-frame").innerHTML, headlines_unread);
 122                                         }
 123
 124                                 } else {
 125                                         console.warn("headlines_callback: returned no data");
 126                                         dijit.byId("headlines-frame").attr('content',
 127                                                 "<div class='whiteBox'>" +
 128                                                 __('Could not update headlines (missing XML data)') + "</div>");
 129
 130                                 }
 131                         } else {
 132                                 if (headlines) {
 133                                         if (headlines_count > 0) {
 134                                                 console.log("adding some more headlines...");
 135
 136                                                 var c = dijit.byId("headlines-frame");
 137                                                 var ids = getSelectedArticleIds2();
 138
 139                                                 c.attr('content', c.attr('content') +
 140                                                         headlines_content.firstChild.nodeValue);
 141
 142                                                 console.log("restore selected ids: " + ids);
 143
 144                                                 for (var i = 0; i < ids.length; i++) {
 145                                                         markHeadline(ids[i]);
 146                                                 }
 147
 148                                                 initHeadlinesMenu();
 149
 150                                         } else {
 151                                                 console.log("no new headlines received");
 152                                         }
 153                                 } else {
 154                                         console.warn("headlines_callback: returned no data");
 155                                         notify_error("Error while trying to load more headlines");
 156                                 }
 157
 158                         }
 159
 160                         if (articles) {
 161                                 for (var i = 0; i < articles.length; i++) {
 162                                         var a_id = articles[i].getAttribute("id");
 163                                         //console.log("found id: " + a_id);
 164                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 165                                 }
 166                         } else {
 167                                 console.log("no cached articles received");
 168                         }
 169
 170                         if (counters)
 171                                 parse_counters(counters);
 172                         else
 173                                 request_counters();
 174
 175                         if (runtime_info) {
 176                                 parse_runtime_info(runtime_info[0]);
 177                         }
 178
 179                 } else {
 180                         console.warn("headlines_callback: returned no XML object");
 181                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 182                                         __('Could not update headlines (missing XML object)') + "</div>");
 183                 }
 184
 185
 186                 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
 187
 188                 if (isCdmMode() &&
 189                                 getActiveFeedId() != -3 &&
 190                                 getInitParam("cdm_auto_catchup") == 1) {
 191                         console.log("starting CDM watchdog");
 192                         _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 193                         _cdm_wd_vishist = new Array();
 194                 } else {
 195                         console.log("not in CDM mode or watchdog disabled");
 196                 }
 197
 198                 _feed_cur_page = feed_cur_page;
 199                 _infscroll_request_sent = 0;
 200
 201                 notify("");
 202
 203         } catch (e) {
 204                 exception_error("headlines_callback2", e, transport);
 205         }
 206 }
 207
 208 function render_article(article) {
 209         try {
 210                 dijit.byId("headlines-wrap-inner").addChild(
 211                                 dijit.byId("content-insert"));
 212
 213                 var c = dijit.byId("content-insert");
 214
 215                 try {
 216                         c.domNode.scrollTop = 0;
 217                 } catch (e) { };
 218
 219                 c.attr('content', article);
 220
 221                 correctHeadlinesOffset(getActiveArticleId());
 222
 223         } catch (e) {
 224                 exception_error("render_article", e);
 225         }
 226 }
 227
 228 function showArticleInHeadlines(id) {
 229
 230         try {
 231
 232                 selectArticles("none");
 233
 234                 var crow = $("RROW-" + id);
 235
 236                 if (!crow) return;
 237
 238                 var article_is_unread = crow.hasClassName("Unread");
 239
 240                 crow.removeClassName("Unread");
 241
 242                 selectArticles('none');
 243
 244                 var upd_img_pic = $("FUPDPIC-" + id);
 245
 246                 var cache_prefix = "";
 247
 248                 if (activeFeedIsCat()) {
 249                         cache_prefix = "C:";
 250                 } else {
 251                         cache_prefix = "F:";
 252                 }
 253
 254                 var view_mode = false;
 255
 256                 try {
 257                         view_mode = document.forms['main_toolbar_form'].view_mode;
 258                         view_mode = view_mode[view_mode.selectedIndex].value;
 259                 } catch (e) {
 260                         //
 261                 }
 262
 263                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 264                                         upd_img_pic.src.match("fresh_sign.png"))) {
 265
 266                         upd_img_pic.src = "images/blank_icon.gif";
 267
 268                         cache_invalidate(cache_prefix + getActiveFeedId());
 269
 270                         cache_inject(cache_prefix + getActiveFeedId(),
 271                                 $("headlines-frame").innerHTML,
 272                                 getFeedUnread(getActiveFeedId()));
 273
 274                 } else if (article_is_unread && view_mode == "all_articles") {
 275
 276                         cache_invalidate(cache_prefix + getActiveFeedId());
 277
 278                         cache_inject(cache_prefix + getActiveFeedId(),
 279                                 $("headlines-frame").innerHTML,
 280                                 getFeedUnread(getActiveFeedId())-1);
 281
 282                 } else if (article_is_unread) {
 283                         cache_invalidate(cache_prefix + getActiveFeedId());
 284                 }
 285
 286                 markHeadline(id);
 287
 288                 if (article_is_unread)
 289                         _force_scheduled_update = true;
 290
 291         } catch (e) {
 292                 exception_error("showArticleInHeadlines", e);
 293         }
 294 }
 295
 296 function article_callback2(transport, id) {
 297         try {
 298                 console.log("article_callback2 " + id);
 299
 300                 if (!handle_rpc_reply(transport)) return;
 301
 302                 if (transport.responseXML) {
 303
 304                         if (!transport_error_check(transport)) return;
 305
 306                         var upic = $('FUPDPIC-' + id);
 307
 308                         if (upic) {
 309                                 upic.src = 'images/blank_icon.gif';
 310                         }
 311
 312                         if (id != last_requested_article) {
 313                                 console.log("requested article id is out of sequence, aborting");
 314                                 return;
 315                         }
 316
 317 //                      active_post_id = id;
 318
 319                         //console.log("looking for articles to cache...");
 320
 321                         var articles = transport.responseXML.getElementsByTagName("article");
 322
 323                         for (var i = 0; i < articles.length; i++) {
 324                                 var a_id = articles[i].getAttribute("id");
 325
 326                                 //console.log("found id: " + a_id);
 327
 328                                 if (a_id == active_post_id) {
 329                                         //console.log("active article, rendering...");
 330                                         render_article(articles[i].firstChild.nodeValue);
 331                                 }
 332
 333                                 cache_inject(a_id, articles[i].firstChild.nodeValue);
 334                         }
 335
 336
 337 //                      showArticleInHeadlines(id);
 338
 339                         var reply = transport.responseXML.firstChild.firstChild;
 340
 341                 } else {
 342                         console.warn("article_callback: returned no XML object");
 343                         //var f = $("content-frame");
 344                         //f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 345                 }
 346
 347                 var date = new Date();
 348                 last_article_view = date.getTime() / 1000;
 349
 350                 request_counters();
 351
 352                 notify("");
 353         } catch (e) {
 354                 exception_error("article_callback2", e, transport);
 355         }
 356 }
 357
 358 function view(id) {
 359         try {
 360                 console.log("loading article: " + id);
 361
 362                 var cached_article = cache_find(id);
 363
 364                 console.log("cache check result: " + (cached_article != false));
 365
 366                 hideAuxDlg();
 367
 368                 var query = "?op=view&id=" + param_escape(id);
 369
 370                 var neighbor_ids = getRelativePostIds(active_post_id);
 371
 372                 /* only request uncached articles */
 373
 374                 var cids_to_request = Array();
 375
 376                 for (var i = 0; i < neighbor_ids.length; i++) {
 377                         if (!cache_check(neighbor_ids[i])) {
 378                                 cids_to_request.push(neighbor_ids[i]);
 379                         }
 380                 }
 381
 382                 console.log("additional ids: " + cids_to_request.toString());
 383
 384                 query = query + "&cids=" + cids_to_request.toString();
 385
 386                 var crow = $("RROW-" + id);
 387                 var article_is_unread = crow.hasClassName("Unread");
 388
 389                 active_post_id = id;
 390                 showArticleInHeadlines(id);
 391
 392                 if (!cached_article) {
 393
 394                         var upic = $('FUPDPIC-' + id);
 395
 396                         if (upic) {
 397                                 upic.src = getInitParam("sign_progress");
 398                         }
 399
 400                 } else if (cached_article && article_is_unread) {
 401
 402                         query = query + "&mode=prefetch";
 403
 404                         render_article(cached_article);
 405
 406                 } else if (cached_article) {
 407
 408                         query = query + "&mode=prefetch_old";
 409                         render_article(cached_article);
 410
 411                 }
 412
 413                 cache_expire();
 414
 415                 last_requested_article = id;
 416
 417                 new Ajax.Request("backend.php", {
 418                         parameters: query,
 419                         onComplete: function(transport) {
 420                                 article_callback2(transport, id);
 421                         } });
 422
 423                 return false;
 424
 425         } catch (e) {
 426                 exception_error("view", e);
 427         }
 428 }
 429
 430 function tMark(id) {
 431         return toggleMark(id);
 432 }
 433
 434 function tPub(id) {
 435         return togglePub(id);
 436 }
 437
 438 function toggleMark(id, client_only) {
 439         try {
 440                 var query = "?op=rpc&id=" + id + "&subop=mark";
 441
 442                 var img = $("FMPIC-" + id);
 443
 444                 if (!img) return;
 445
 446                 if (img.src.match("mark_unset")) {
 447                         img.src = img.src.replace("mark_unset", "mark_set");
 448                         img.alt = __("Unstar article");
 449                         query = query + "&mark=1";
 450
 451                 } else {
 452                         img.src = img.src.replace("mark_set", "mark_unset");
 453                         img.alt = __("Star article");
 454                         query = query + "&mark=0";
 455                 }
 456
 457                 if (!client_only) {
 458                         new Ajax.Request("backend.php", {
 459                                 parameters: query,
 460                                 onComplete: function(transport) {
 461                                         handle_rpc_reply(transport);
 462                                 } });
 463                 }
 464
 465         } catch (e) {
 466                 exception_error("toggleMark", e);
 467         }
 468 }
 469
 470 function togglePub(id, client_only, no_effects, note) {
 471         try {
 472                 var query = "?op=rpc&id=" + id + "&subop=publ";
 473
 474                 if (note != undefined) {
 475                         query = query + "&note=" + param_escape(note);
 476                 } else {
 477                         query = query + "&note=undefined";
 478                 }
 479
 480                 var img = $("FPPIC-" + id);
 481
 482                 if (!img) return;
 483
 484                 if (img.src.match("pub_unset") || note != undefined) {
 485                         img.src = img.src.replace("pub_unset", "pub_set");
 486                         img.alt = __("Unpublish article");
 487                         query = query + "&pub=1";
 488
 489                 } else {
 490                         img.src = img.src.replace("pub_set", "pub_unset");
 491                         img.alt = __("Publish article");
 492
 493                         query = query + "&pub=0";
 494                 }
 495
 496                 if (!client_only) {
 497                         new Ajax.Request("backend.php", {
 498                                 parameters: query,
 499                                 onComplete: function(transport) {
 500                                         handle_rpc_reply(transport);
 501
 502                                         var note = transport.responseXML.getElementsByTagName("note")[0];
 503
 504                                         if (note) {
 505                                                 var note_id = note.getAttribute("id");
 506                                                 var note_size = note.getAttribute("size");
 507                                                 var note_content = note.firstChild.nodeValue;
 508
 509                                                 var container = $('POSTNOTE-' + note_id);
 510
 511                                                 cache_invalidate(note_id);
 512
 513                                                 if (container) {
 514                                                         if (note_size == "0") {
 515                                                                 Element.hide(container);
 516                                                         } else {
 517                                                                 container.innerHTML = note_content;
 518                                                                 Element.show(container);
 519                                                         }
 520                                                 }
 521                                         }
 522
 523                                 } });
 524                 }
 525
 526         } catch (e) {
 527                 exception_error("togglePub", e);
 528         }
 529 }
 530
 531 function moveToPost(mode) {
 532
 533         try {
 534
 535                 var rows = getVisibleArticleIds();
 536
 537                 var prev_id = false;
 538                 var next_id = false;
 539
 540                 if (!$('RROW-' + active_post_id)) {
 541                         active_post_id = false;
 542                 }
 543
 544                 if (active_post_id == false) {
 545                         next_id = getFirstVisibleHeadlineId();
 546                         prev_id = getLastVisibleHeadlineId();
 547                 } else {
 548                         for (var i = 0; i < rows.length; i++) {
 549                                 if (rows[i] == active_post_id) {
 550                                         prev_id = rows[i-1];
 551                                         next_id = rows[i+1];
 552                                 }
 553                         }
 554                 }
 555
 556                 if (mode == "next") {
 557                         if (next_id) {
 558                                 if (isCdmMode()) {
 559
 560                                         cdmExpandArticle(next_id);
 561                                         cdmScrollToArticleId(next_id);
 562
 563                                 } else {
 564                                         correctHeadlinesOffset(next_id);
 565                                         view(next_id, getActiveFeedId());
 566                                 }
 567                         }
 568                 }
 569
 570                 if (mode == "prev") {
 571                         if (prev_id) {
 572                                 if (isCdmMode()) {
 573                                         cdmExpandArticle(prev_id);
 574                                         cdmScrollToArticleId(prev_id);
 575                                 } else {
 576                                         correctHeadlinesOffset(prev_id);
 577                                         view(prev_id, getActiveFeedId());
 578                                 }
 579                         }
 580                 }
 581
 582         } catch (e) {
 583                 exception_error("moveToPost", e);
 584         }
 585 }
 586
 587 function toggleSelected(id, force_on) {
 588         try {
 589
 590                 var cb = $("RCHK-" + id);
 591                 var row = $("RROW-" + id);
 592
 593                 if (row) {
 594                         if (row.hasClassName('Selected') && !force_on) {
 595                                 row.removeClassName('Selected');
 596                                 if (cb) cb.checked = false;
 597                         } else {
 598                                 row.addClassName('Selected');
 599                                 if (cb) cb.checked = true;
 600                         }
 601                 }
 602         } catch (e) {
 603                 exception_error("toggleSelected", e);
 604         }
 605 }
 606
 607 function toggleUnread_afh(effect) {
 608         try {
 609
 610                 var elem = effect.element;
 611                 elem.style.backgroundColor = "";
 612
 613         } catch (e) {
 614                 exception_error("toggleUnread_afh", e);
 615         }
 616 }
 617
 618 function toggleUnread(id, cmode, effect) {
 619         try {
 620
 621                 var row = $("RROW-" + id);
 622                 if (row) {
 623                         if (cmode == undefined || cmode == 2) {
 624                                 if (row.hasClassName("Unread")) {
 625                                         row.removeClassName("Unread");
 626
 627                                         if (effect) {
 628                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 629                                                         afterFinish: toggleUnread_afh,
 630                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 631                                         }
 632
 633                                 } else {
 634                                         row.addClassName("Unread");
 635                                 }
 636
 637                         } else if (cmode == 0) {
 638
 639                                 row.removeClassName("Unread");
 640
 641                                 if (effect) {
 642                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 643                                                 afterFinish: toggleUnread_afh,
 644                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 645                                 }
 646
 647                         } else if (cmode == 1) {
 648                                 row.addClassName("Unread");
 649                         }
 650
 651                         if (cmode == undefined) cmode = 2;
 652
 653                         var query = "?op=rpc&subop=catchupSelected" +
 654                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 655
 656 //                      notify_progress("Loading, please wait...");
 657
 658                         new Ajax.Request("backend.php", {
 659                                 parameters: query,
 660                                 onComplete: function(transport) {
 661                                         handle_rpc_reply(transport);
 662                                 } });
 663
 664                 }
 665
 666         } catch (e) {
 667                 exception_error("toggleUnread", e);
 668         }
 669 }
 670
 671 function selectionRemoveLabel(id, ids) {
 672         try {
 673
 674                 if (!ids) var ids = getSelectedArticleIds2();
 675
 676                 if (ids.length == 0) {
 677                         alert(__("No articles are selected."));
 678                         return;
 679                 }
 680
 681 //              var ok = confirm(__("Remove selected articles from label?"));
 682
 683 //              if (ok) {
 684
 685                         var query = "?op=rpc&subop=removeFromLabel&ids=" +
 686                                 param_escape(ids.toString()) + "&lid=" + param_escape(id);
 687
 688                         console.log(query);
 689
 690 //                      notify_progress("Loading, please wait...");
 691
 692                         cache_invalidate("F:" + (-11 - id));
 693
 694                         new Ajax.Request("backend.php", {
 695                                 parameters: query,
 696                                 onComplete: function(transport) {
 697                                         show_labels_in_headlines(transport);
 698                                         handle_rpc_reply(transport);
 699                                 } });
 700
 701 //              }
 702
 703         } catch (e) {
 704                 exception_error("selectionAssignLabel", e);
 705
 706         }
 707 }
 708
 709 function selectionAssignLabel(id, ids) {
 710         try {
 711
 712                 if (!ids) ids = getSelectedArticleIds2();
 713
 714                 if (ids.length == 0) {
 715                         alert(__("No articles are selected."));
 716                         return;
 717                 }
 718
 719 //              var ok = confirm(__("Assign selected articles to label?"));
 720
 721 //              if (ok) {
 722
 723                         cache_invalidate("F:" + (-11 - id));
 724
 725                         var query = "?op=rpc&subop=assignToLabel&ids=" +
 726                                 param_escape(ids.toString()) + "&lid=" + param_escape(id);
 727
 728                         console.log(query);
 729
 730 //                      notify_progress("Loading, please wait...");
 731
 732                         new Ajax.Request("backend.php", {
 733                                 parameters: query,
 734                                 onComplete: function(transport) {
 735                                         show_labels_in_headlines(transport);
 736                                         handle_rpc_reply(transport);
 737                                 } });
 738
 739 //              }
 740
 741         } catch (e) {
 742                 exception_error("selectionAssignLabel", e);
 743
 744         }
 745 }
 746
 747 function selectionToggleUnread(set_state, callback_func, no_error) {
 748         try {
 749                 var rows = getSelectedArticleIds2();
 750
 751                 if (rows.length == 0 && !no_error) {
 752                         alert(__("No articles are selected."));
 753                         return;
 754                 }
 755
 756                 for (i = 0; i < rows.length; i++) {
 757                         var row = $("RROW-" + rows[i]);
 758                         if (row) {
 759                                 if (set_state == undefined) {
 760                                         if (row.hasClassName("Unread")) {
 761                                                 row.removeClassName("Unread");
 762                                         } else {
 763                                                 row.addClassName("Unread");
 764                                         }
 765                                 }
 766
 767                                 if (set_state == false) {
 768                                         row.removeClassName("Unread");
 769                                 }
 770
 771                                 if (set_state == true) {
 772                                         row.addClassName("Unread");
 773                                 }
 774                         }
 775                 }
 776
 777                 if (rows.length > 0) {
 778
 779                         var cmode = "";
 780
 781                         if (set_state == undefined) {
 782                                 cmode = "2";
 783                         } else if (set_state == true) {
 784                                 cmode = "1";
 785                         } else if (set_state == false) {
 786                                 cmode = "0";
 787                         }
 788
 789                         var query = "?op=rpc&subop=catchupSelected" +
 790                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 791
 792                         notify_progress("Loading, please wait...");
 793
 794                         new Ajax.Request("backend.php", {
 795                                 parameters: query,
 796                                 onComplete: function(transport) {
 797                                         catchup_callback2(transport, callback_func);
 798                                 } });
 799
 800                 }
 801
 802         } catch (e) {
 803                 exception_error("selectionToggleUnread", e);
 804         }
 805 }
 806
 807 function selectionToggleMarked() {
 808         try {
 809
 810                 var rows = getSelectedArticleIds2();
 811
 812                 if (rows.length == 0) {
 813                         alert(__("No articles are selected."));
 814                         return;
 815                 }
 816
 817                 for (i = 0; i < rows.length; i++) {
 818                         toggleMark(rows[i], true, true);
 819                 }
 820
 821                 if (rows.length > 0) {
 822
 823                         var query = "?op=rpc&subop=markSelected&ids=" +
 824                                 param_escape(rows.toString()) + "&cmode=2";
 825
 826                         new Ajax.Request("backend.php", {
 827                                 parameters: query,
 828                                 onComplete: function(transport) {
 829                                         handle_rpc_reply(transport);
 830                                 } });
 831
 832                 }
 833
 834         } catch (e) {
 835                 exception_error("selectionToggleMarked", e);
 836         }
 837 }
 838
 839 function selectionTogglePublished() {
 840         try {
 841
 842                 var rows = getSelectedArticleIds2();
 843
 844                 if (rows.length == 0) {
 845                         alert(__("No articles are selected."));
 846                         return;
 847                 }
 848
 849                 for (i = 0; i < rows.length; i++) {
 850                         togglePub(rows[i], true, true);
 851                 }
 852
 853                 if (rows.length > 0) {
 854
 855                         var query = "?op=rpc&subop=publishSelected&ids=" +
 856                                 param_escape(rows.toString()) + "&cmode=2";
 857
 858                         new Ajax.Request("backend.php", {
 859                                 parameters: query,
 860                                 onComplete: function(transport) {
 861                                         handle_rpc_reply(transport);
 862                                 } });
 863
 864                 }
 865
 866         } catch (e) {
 867                 exception_error("selectionToggleMarked", e);
 868         }
 869 }
 870
 871 function getSelectedArticleIds2() {
 872
 873         var rv = [];
 874
 875         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 876                 function(child) {
 877                         rv.push(child.id.replace("RROW-", ""));
 878                 });
 879
 880         return rv;
 881 }
 882
 883 function getLoadedArticleIds() {
 884         var rv = [];
 885
 886         var children = $$("#headlines-frame > div[id*=RROW-]");
 887
 888         children.each(function(child) {
 889                         rv.push(child.id.replace("RROW-", ""));
 890                 });
 891
 892         return rv;
 893
 894 }
 895
 896 // mode = all,none,unread,invert
 897 function selectArticles(mode) {
 898         try {
 899
 900                 var children = $$("#headlines-frame > div[id*=RROW]");
 901
 902                 children.each(function(child) {
 903                         var id = child.id.replace("RROW-", "");
 904                         var cb = $("RCHK-" + id);
 905
 906                         if (mode == "all") {
 907                                 child.addClassName("Selected");
 908                                 cb.checked = true;
 909                         } else if (mode == "unread") {
 910                                 if (child.hasClassName("Unread")) {
 911                                         child.addClassName("Selected");
 912                                         cb.checked = true;
 913                                 } else {
 914                                         child.removeClassName("Selected");
 915                                         cb.checked = false;
 916                                 }
 917                         } else if (mode == "invert") {
 918                                 if (child.hasClassName("Selected")) {
 919                                         child.removeClassName("Selected");
 920                                         cb.checked = false;
 921                                 } else {
 922                                         child.addClassName("Selected");
 923                                         cb.checked = true;
 924                                 }
 925
 926                         } else {
 927                                 child.removeClassName("Selected");
 928                                 cb.checked = false;
 929                         }
 930                 });
 931
 932         } catch (e) {
 933                 exception_error("selectArticles", e);
 934         }
 935 }
 936
 937 function catchupPage() {
 938
 939         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 940
 941         var str = __("Mark all visible articles in %s as read?");
 942
 943         str = str.replace("%s", fn);
 944
 945         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 946                 return;
 947         }
 948
 949         selectArticles('all');
 950         selectionToggleUnread(false, 'viewCurrentFeed()', true)
 951         selectArticles('none');
 952 }
 953
 954 function deleteSelection() {
 955
 956         try {
 957
 958                 var rows = getSelectedArticleIds2();
 959
 960                 if (rows.length == 0) {
 961                         alert(__("No articles are selected."));
 962                         return;
 963                 }
 964
 965                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 966                 var str;
 967                 var op;
 968
 969                 if (getActiveFeedId() != 0) {
 970                         str = __("Delete %d selected articles in %s?");
 971                 } else {
 972                         str = __("Delete %d selected articles?");
 973                 }
 974
 975                 str = str.replace("%d", rows.length);
 976                 str = str.replace("%s", fn);
 977
 978                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 979                         return;
 980                 }
 981
 982                 query = "?op=rpc&subop=delete&ids=" + param_escape(rows);
 983
 984                 console.log(query);
 985
 986                 new Ajax.Request("backend.php", {
 987                         parameters: query,
 988                         onComplete: function(transport) {
 989                                         viewCurrentFeed();
 990                                 } });
 991
 992         } catch (e) {
 993                 exception_error("deleteSelection", e);
 994         }
 995 }
 996
 997 function archiveSelection() {
 998
 999         try {
1000
1001                 var rows = getSelectedArticleIds2();
1002
1003                 if (rows.length == 0) {
1004                         alert(__("No articles are selected."));
1005                         return;
1006                 }
1007
1008                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1009                 var str;
1010                 var op;
1011
1012                 if (getActiveFeedId() != 0) {
1013                         str = __("Archive %d selected articles in %s?");
1014                         op = "archive";
1015                 } else {
1016                         str = __("Move %d archived articles back?");
1017                         op = "unarchive";
1018                 }
1019
1020                 str = str.replace("%d", rows.length);
1021                 str = str.replace("%s", fn);
1022
1023                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1024                         return;
1025                 }
1026
1027                 query = "?op=rpc&subop="+op+"&ids=" + param_escape(rows);
1028
1029                 console.log(query);
1030
1031                 for (var i = 0; i < rows.length; i++) {
1032                         cache_invalidate(rows[i]);
1033                 }
1034
1035                 new Ajax.Request("backend.php", {
1036                         parameters: query,
1037                         onComplete: function(transport) {
1038                                         viewCurrentFeed();
1039                                 } });
1040
1041         } catch (e) {
1042                 exception_error("archiveSelection", e);
1043         }
1044 }
1045
1046 function catchupSelection() {
1047
1048         try {
1049
1050                 var rows = getSelectedArticleIds2();
1051
1052                 if (rows.length == 0) {
1053                         alert(__("No articles are selected."));
1054                         return;
1055                 }
1056
1057                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1058
1059                 var str = __("Mark %d selected articles in %s as read?");
1060
1061                 str = str.replace("%d", rows.length);
1062                 str = str.replace("%s", fn);
1063
1064                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1065                         return;
1066                 }
1067
1068                 selectionToggleUnread(false, 'viewCurrentFeed()', true)
1069
1070         } catch (e) {
1071                 exception_error("catchupSelection", e);
1072         }
1073 }
1074
1075 function editArticleTags(id) {
1076 /*      displayDlg('editArticleTags', id,
1077                            function () {
1078                                         $("tags_str").focus();
1079
1080                                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1081                                            "backend.php?op=rpc&subop=completeTags",
1082                                            { tokens: ',', paramName: "search" });
1083                            }); */
1084
1085                 var query = "backend.php?op=dlg&id=editArticleTags&param=" + param_escape(id);
1086
1087                 if (dijit.byId("editTagsDlg"))
1088                         dijit.byId("editTagsDlg").destroyRecursive();
1089
1090                 dialog = new dijit.Dialog({
1091                         id: "editTagsDlg",
1092                         title: __("Edit article Tags"),
1093                         style: "width: 600px",
1094                         execute: function() {
1095                                 if (this.validate()) {
1096                                         var query = dojo.objectToQuery(this.attr('value'));
1097
1098                                         notify_progress("Saving article tags...", true);
1099
1100                                         new Ajax.Request("backend.php", {
1101                                         parameters: query,
1102                                         onComplete: function(transport) {
1103                                                 notify('');
1104                                                 dialog.hide();
1105
1106                                                 if (transport.responseXML) {
1107                                                         var tags_str = transport.responseXML.getElementsByTagName("tags-str")[0];
1108
1109                                                         if (tags_str) {
1110                                                                 var id = tags_str.getAttribute("id");
1111
1112                                                                 if (id) {
1113                                                                         var tags = $("ATSTR-" + id);
1114                                                                         if (tags) {
1115                                                                                 tags.innerHTML = tags_str.firstChild.nodeValue;
1116                                                                         }
1117
1118                                                                         cache_invalidate(id);
1119                                                                 }
1120                                                         }
1121                                                 }
1122
1123                                         }});
1124                                 }
1125                         },
1126                         href: query,
1127                 });
1128
1129                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1130                 dojo.disconnect(tmph);
1131
1132                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1133                            "backend.php?op=rpc&subop=completeTags",
1134                            { tokens: ',', paramName: "search" });
1135                 });
1136
1137                 dialog.show();
1138
1139 }
1140
1141 function cdmScrollToArticleId(id) {
1142         try {
1143                 var ctr = $("headlines-frame");
1144                 var e = $("RROW-" + id);
1145
1146                 if (!e || !ctr) return;
1147
1148                 ctr.scrollTop = e.offsetTop;
1149
1150         } catch (e) {
1151                 exception_error("cdmScrollToArticleId", e);
1152         }
1153 }
1154
1155 function cdmWatchdog() {
1156
1157         try {
1158
1159                 var ctr = $("headlines-frame");
1160
1161                 if (!ctr) return;
1162
1163                 var ids = new Array();
1164
1165                 var e = ctr.firstChild;
1166
1167                 while (e) {
1168                         if (e.className && e.hasClassName("Unread") && e.id &&
1169                                         e.id.match("RROW-")) {
1170
1171                                 // article fits in viewport OR article is longer than viewport and
1172                                 // its bottom is visible
1173
1174                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1175                                                 ctr.scrollTop + ctr.offsetHeight) {
1176
1177 //                                      console.log(e.id + " is visible " + e.offsetTop + "." +
1178 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1179 //                                              (ctr.scrollTop + ctr.offsetHeight));
1180
1181                                         ids.push(e.id.replace("RROW-", ""));
1182
1183                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1184                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1185                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1186
1187                                         ids.push(e.id.replace("RROW-", ""));
1188
1189                                 }
1190
1191                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1192
1193 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1194                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1195
1196                                         ids.push(e.id.replace("RROW-", ""));
1197
1198                                 } */
1199
1200                         }
1201
1202                         e = e.nextSibling;
1203                 }
1204
1205                 console.log("cdmWatchdog, ids= " + ids.toString());
1206
1207                 if (ids.length > 0) {
1208
1209                         for (var i = 0; i < ids.length; i++) {
1210                                 var e = $("RROW-" + ids[i]);
1211                                 if (e) {
1212                                         e.removeClassName("Unread");
1213                                 }
1214                         }
1215
1216                         var query = "?op=rpc&subop=catchupSelected" +
1217                                 "&cmode=0" + "&ids=" + param_escape(ids.toString());
1218
1219                         new Ajax.Request("backend.php", {
1220                                 parameters: query,
1221                                 onComplete: function(transport) {
1222                                         handle_rpc_reply(transport);
1223                                 } });
1224
1225                 }
1226
1227                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1228
1229         } catch (e) {
1230                 exception_error("cdmWatchdog", e);
1231         }
1232
1233 }
1234
1235
1236 function cache_inject(id, article, param) {
1237
1238         try {
1239                 if (!cache_check_param(id, param)) {
1240                         //console.log("cache_article: miss: " + id + " [p=" + param + "]");
1241
1242                    var date = new Date();
1243               var ts = Math.round(date.getTime() / 1000);
1244
1245                         var cache_obj = {};
1246
1247                         cache_obj["id"] = id;
1248                         cache_obj["data"] = article;
1249                         cache_obj["param"] = param;
1250
1251                         if (param) id = id + ":" + param;
1252
1253                         cache_added["TS:" + id] = ts;
1254
1255                         if (has_local_storage())
1256                                 sessionStorage.setItem(id, JSON.stringify(cache_obj));
1257                         else
1258                                 article_cache.push(cache_obj);
1259
1260                 } else {
1261                         //console.log("cache_article: hit: " + id + " [p=" + param + "]");
1262                 }
1263         } catch (e) {
1264                 exception_error("cache_inject", e);
1265         }
1266 }
1267
1268 function cache_find(id) {
1269
1270         if (has_local_storage()) {
1271                 var cache_obj = sessionStorage.getItem(id);
1272
1273                 if (cache_obj) {
1274                         cache_obj = JSON.parse(cache_obj);
1275
1276                         if (cache_obj)
1277                                 return cache_obj['data'];
1278                 }
1279
1280         } else {
1281                 for (var i = 0; i < article_cache.length; i++) {
1282                         if (article_cache[i]["id"] == id) {
1283                                 return article_cache[i]["data"];
1284                         }
1285                 }
1286         }
1287         return false;
1288 }
1289
1290 function cache_find_param(id, param) {
1291
1292         if (has_local_storage()) {
1293
1294                 if (param) id = id + ":" + param;
1295
1296                 var cache_obj = sessionStorage.getItem(id);
1297
1298                 if (cache_obj) {
1299                         cache_obj = JSON.parse(cache_obj);
1300
1301                         if (cache_obj)
1302                                 return cache_obj['data'];
1303                 }
1304
1305         } else {
1306                 for (var i = 0; i < article_cache.length; i++) {
1307                         if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1308                                 return article_cache[i]["data"];
1309                         }
1310                 }
1311         }
1312
1313         return false;
1314 }
1315
1316 function cache_check(id) {
1317         if (has_local_storage()) {
1318                 if (sessionStorage.getItem(id))
1319                         return true;
1320         } else {
1321                 for (var i = 0; i < article_cache.length; i++) {
1322                         if (article_cache[i]["id"] == id) {
1323                                 return true;
1324                         }
1325                 }
1326         }
1327         return false;
1328 }
1329
1330 function cache_check_param(id, param) {
1331         if (has_local_storage()) {
1332
1333                 if (param) id = id + ":" + param;
1334
1335                 if (sessionStorage.getItem(id))
1336                         return true;
1337
1338         } else {
1339                 for (var i = 0; i < article_cache.length; i++) {
1340                         if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1341                                 return true;
1342                         }
1343                 }
1344         }
1345         return false;
1346 }
1347
1348 function cache_expire() {
1349 if (has_local_storage()) {
1350
1351                 var date = new Date();
1352                 var timestamp = Math.round(date.getTime() / 1000);
1353
1354                 for (var i = 0; i < sessionStorage.length; i++) {
1355
1356                         var id = sessionStorage.key(i);
1357
1358                         if (timestamp - cache_added["TS:" + id] > 180) {
1359                                 sessionStorage.removeItem(id);
1360                         }
1361                 }
1362
1363         } else {
1364                 while (article_cache.length > 25) {
1365                         article_cache.shift();
1366                 }
1367         }
1368 }
1369
1370 function cache_flush() {
1371         if (has_local_storage()) {
1372                 sessionStorage.clear();
1373         } else {
1374                 article_cache = new Array();
1375         }
1376 }
1377
1378 function cache_invalidate(id) {
1379         try {
1380                 if (has_local_storage()) {
1381
1382                         var found = false;
1383
1384                         for (var i = 0; i < sessionStorage.length; i++) {
1385                                 var key = sessionStorage.key(i);
1386
1387 //                                      console.warn("cache_invalidate: " + key_id + " cmp " + id);
1388
1389                                 if (key == id || key.indexOf(id + ":") == 0) {
1390                                         sessionStorage.removeItem(key);
1391                                         found = true;
1392                                         break;
1393                                 }
1394                         }
1395
1396                         return found;
1397
1398                 } else {
1399                         var i = 0
1400
1401                         while (i < article_cache.length) {
1402                                 if (article_cache[i]["id"] == id) {
1403                                         //console.log("cache_invalidate: removed id " + id);
1404                                         article_cache.splice(i, 1);
1405                                         return true;
1406                                 }
1407                                 i++;
1408                         }
1409                 }
1410
1411                 //console.log("cache_invalidate: id not found: " + id);
1412                 return false;
1413         } catch (e) {
1414                 exception_error("cache_invalidate", e);
1415         }
1416 }
1417
1418 function getActiveArticleId() {
1419         return active_post_id;
1420 }
1421
1422 function preloadBatchedArticles() {
1423         try {
1424
1425                 var query = "?op=rpc&subop=getArticles&ids=" +
1426                         preload_id_batch.toString();
1427
1428                 new Ajax.Request("backend.php", {
1429                         parameters: query,
1430                         onComplete: function(transport) {
1431
1432                                 preload_id_batch = [];
1433
1434                                 var articles = transport.responseXML.getElementsByTagName("article");
1435
1436                                 for (var i = 0; i < articles.length; i++) {
1437                                         var id = articles[i].getAttribute("id");
1438                                         if (!cache_check(id)) {
1439                                                 cache_inject(id, articles[i].firstChild.nodeValue);
1440                                                 console.log("preloaded article: " + id);
1441                                         }
1442                                 }
1443                 } });
1444
1445         } catch (e) {
1446                 exception_error("preloadBatchedArticles", e);
1447         }
1448 }
1449
1450 function preloadArticleUnderPointer(id) {
1451         try {
1452                 if (getInitParam("bw_limit") == "1") return;
1453
1454                 if (post_under_pointer == id && !cache_check(id)) {
1455
1456                         console.log("trying to preload article " + id);
1457
1458                         var neighbor_ids = getRelativePostIds(id, 1);
1459
1460                         /* only request uncached articles */
1461
1462                         if (preload_id_batch.indexOf(id) == -1) {
1463                                 for (var i = 0; i < neighbor_ids.length; i++) {
1464                                         if (!cache_check(neighbor_ids[i])) {
1465                                                 preload_id_batch.push(neighbor_ids[i]);
1466                                         }
1467                                 }
1468                         }
1469
1470                         if (preload_id_batch.indexOf(id) == -1)
1471                                 preload_id_batch.push(id);
1472
1473                         //console.log("preload ids batch: " + preload_id_batch.toString());
1474
1475                         window.clearTimeout(preload_timeout_id);
1476                         preload_batch_timeout_id = window.setTimeout('preloadBatchedArticles()', 1000);
1477
1478                 }
1479         } catch (e) {
1480                 exception_error("preloadArticleUnderPointer", e);
1481         }
1482 }
1483
1484 function postMouseIn(id) {
1485         try {
1486                 if (post_under_pointer != id) {
1487                         post_under_pointer = id;
1488                         if (!isCdmMode()) {
1489                                 window.setTimeout("preloadArticleUnderPointer(" + id + ")", 250);
1490                         }
1491                 }
1492
1493         } catch (e) {
1494                 exception_error("postMouseIn", e);
1495         }
1496 }
1497
1498 function postMouseOut(id) {
1499         try {
1500                 post_under_pointer = false;
1501         } catch (e) {
1502                 exception_error("postMouseOut", e);
1503         }
1504 }
1505
1506 function headlines_scroll_handler(e) {
1507         try {
1508
1509                 if (e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
1510                         if (!_infscroll_disable) {
1511                                 viewNextFeedPage();
1512                         }
1513                 }
1514
1515         } catch (e) {
1516                 exception_error("headlines_scroll_handler", e);
1517         }
1518 }
1519
1520 function catchupRelativeToArticle(below) {
1521
1522         try {
1523
1524
1525                 if (!getActiveArticleId()) {
1526                         alert(__("No article is selected."));
1527                         return;
1528                 }
1529
1530                 var visible_ids = getVisibleArticleIds();
1531
1532                 var ids_to_mark = new Array();
1533
1534                 if (!below) {
1535                         for (var i = 0; i < visible_ids.length; i++) {
1536                                 if (visible_ids[i] != getActiveArticleId()) {
1537                                         var e = $("RROW-" + visible_ids[i]);
1538
1539                                         if (e && e.hasClassName("Unread")) {
1540                                                 ids_to_mark.push(visible_ids[i]);
1541                                         }
1542                                 } else {
1543                                         break;
1544                                 }
1545                         }
1546                 } else {
1547                         for (var i = visible_ids.length-1; i >= 0; i--) {
1548                                 if (visible_ids[i] != getActiveArticleId()) {
1549                                         var e = $("RROW-" + visible_ids[i]);
1550
1551                                         if (e && e.hasClassName("Unread")) {
1552                                                 ids_to_mark.push(visible_ids[i]);
1553                                         }
1554                                 } else {
1555                                         break;
1556                                 }
1557                         }
1558                 }
1559
1560                 if (ids_to_mark.length == 0) {
1561                         alert(__("No articles found to mark"));
1562                 } else {
1563                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1564
1565                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1566
1567                                 for (var i = 0; i < ids_to_mark.length; i++) {
1568                                         var e = $("RROW-" + ids_to_mark[i]);
1569                                         e.removeClassName("Unread");
1570                                 }
1571
1572                                 var query = "?op=rpc&subop=catchupSelected" +
1573                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1574
1575                                 new Ajax.Request("backend.php", {
1576                                         parameters: query,
1577                                         onComplete: function(transport) {
1578                                                 catchup_callback2(transport);
1579                                         } });
1580
1581                         }
1582                 }
1583
1584         } catch (e) {
1585                 exception_error("catchupRelativeToArticle", e);
1586         }
1587 }
1588
1589 function cdmExpandArticle(id) {
1590         try {
1591
1592                 hideAuxDlg();
1593
1594                 var elem = $("CICD-" + active_post_id);
1595
1596                 var upd_img_pic = $("FUPDPIC-" + id);
1597
1598                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1599                                 upd_img_pic.src.match("fresh_sign.png"))) {
1600
1601                         upd_img_pic.src = "images/blank_icon.gif";
1602                 }
1603
1604                 if (id == active_post_id && Element.visible(elem))
1605                         return true;
1606
1607                 selectArticles("none");
1608
1609                 var old_offset = $("RROW-" + id).offsetTop;
1610
1611                 if (active_post_id && elem && !getInitParam("cdm_expanded")) {
1612                         Element.hide(elem);
1613                         Element.show("CEXC-" + active_post_id);
1614                 }
1615
1616                 active_post_id = id;
1617
1618                 elem = $("CICD-" + id);
1619
1620                 if (!Element.visible(elem)) {
1621                         Element.show(elem);
1622                         Element.hide("CEXC-" + id);
1623
1624                         if ($("CWRAP-" + id).innerHTML == "") {
1625
1626                                 $("FUPDPIC-" + id).src = "images/indicator_tiny.gif";
1627
1628                                 $("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" +
1629                                         __("Loading, please wait...") + "</div>";
1630
1631                                 var query = "?op=rpc&subop=cdmGetArticle&id=" + param_escape(id);
1632
1633                                 //console.log(query);
1634
1635                                 new Ajax.Request("backend.php", {
1636                                         parameters: query,
1637                                         onComplete: function(transport) {
1638                                                 $("FUPDPIC-" + id).src = 'images/blank_icon.gif';
1639
1640                                                 if (transport.responseXML) {
1641                                                         var article = transport.responseXML.getElementsByTagName("article")[0];
1642                                                         var recv_id = article.getAttribute("id");
1643
1644                                                         if (recv_id == id)
1645                                                                 $("CWRAP-" + id).innerHTML = article.firstChild.nodeValue;
1646
1647                                                 } else {
1648                                                         $("CWRAP-" + id).innerHTML = __("Unable to load article.");
1649
1650                                                 }
1651                                 }});
1652
1653                         }
1654                 }
1655
1656                 var new_offset = $("RROW-" + id).offsetTop;
1657
1658                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1659
1660                 if ($("RROW-" + id).offsetTop != old_offset)
1661                         $("headlines-frame").scrollTop = new_offset;
1662
1663                 toggleUnread(id, 0, true);
1664                 toggleSelected(id);
1665
1666         } catch (e) {
1667                 exception_error("cdmExpandArticle", e);
1668         }
1669
1670         return false;
1671 }
1672
1673 function fixHeadlinesOrder(ids) {
1674         try {
1675                 for (var i = 0; i < ids.length; i++) {
1676                         var e = $("RROW-" + ids[i]);
1677
1678                         if (e) {
1679                                 if (i % 2 == 0) {
1680                                         e.removeClassName("even");
1681                                         e.addClassName("odd");
1682                                 } else {
1683                                         e.removeClassName("odd");
1684                                         e.addClassName("even");
1685                                 }
1686                         }
1687                 }
1688         } catch (e) {
1689                 exception_error("fixHeadlinesOrder", e);
1690         }
1691 }
1692
1693 function getArticleUnderPointer() {
1694         return post_under_pointer;
1695 }
1696
1697 function zoomToArticle(event, id) {
1698         try {
1699                 var cached_article = cache_find(id);
1700
1701                 if (dijit.byId("ATAB-" + id))
1702                         if (!event || !event.shiftKey)
1703                                 return dijit.byId("content-tabs").selectChild(dijit.byId("ATAB-" + id));
1704
1705                 if (cached_article) {
1706                         //closeArticlePanel();
1707
1708                         var article_pane = new dijit.layout.ContentPane({
1709                                 title: __("Loading...") , content: cached_article,
1710                                 style: 'padding : 0px;',
1711                                 id: 'ATAB-' + id,
1712                                 closable: true });
1713
1714                         dijit.byId("content-tabs").addChild(article_pane);
1715
1716                         if (!event || !event.shiftKey)
1717                                 dijit.byId("content-tabs").selectChild(article_pane);
1718
1719                         if ($("PTITLE-" + id))
1720                                 article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1721
1722                 } else {
1723
1724                         var query = "?op=rpc&subop=getArticles&ids=" + param_escape(id);
1725
1726                         notify_progress("Loading, please wait...", true);
1727
1728                         new Ajax.Request("backend.php", {
1729                                 parameters: query,
1730                                 onComplete: function(transport) {
1731                                         notify('');
1732
1733                                         if (transport.responseXML) {
1734                                                 //closeArticlePanel();
1735
1736                                                 var article = transport.responseXML.getElementsByTagName("article")[0];
1737                                                 var content = article.firstChild.nodeValue;
1738
1739                                                 var article_pane = new dijit.layout.ContentPane({
1740                                                         title: "article-" + id , content: content,
1741                                                         style: 'padding : 0px;',
1742                                                         id: 'ATAB-' + id,
1743                                                         closable: true });
1744
1745                                                 dijit.byId("content-tabs").addChild(article_pane);
1746
1747                                                 if (!event || !event.shiftKey)
1748                                                         dijit.byId("content-tabs").selectChild(article_pane);
1749
1750                                                 if ($("PTITLE-" + id))
1751                                                         article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1752                                         }
1753
1754                                 } });
1755                         }
1756
1757         } catch (e) {
1758                 exception_error("zoomToArticle", e);
1759         }
1760 }
1761
1762 function scrollArticle(offset) {
1763         try {
1764                 if (!isCdmMode()) {
1765                         var ci = $("content-insert");
1766                         if (ci) {
1767                                 ci.scrollTop += offset;
1768                         }
1769                 } else {
1770                         var hi = $("headlines-frame");
1771                         if (hi) {
1772                                 hi.scrollTop += offset;
1773                         }
1774
1775                 }
1776         } catch (e) {
1777                 exception_error("scrollArticle", e);
1778         }
1779 }
1780
1781 function show_labels_in_headlines(transport) {
1782         try {
1783                 if (transport.responseXML) {
1784                         var info = transport.responseXML.getElementsByTagName("info-for-headlines")[0];
1785
1786                         var elems = info.getElementsByTagName("entry");
1787
1788                         for (var l = 0; l < elems.length; l++) {
1789                                 var e_id = elems[l].getAttribute("id");
1790
1791                                 if (e_id) {
1792
1793                                         var ctr = $("HLLCTR-" + e_id);
1794
1795                                         if (ctr) {
1796                                                 ctr.innerHTML = elems[l].firstChild.nodeValue;
1797                                         }
1798                                 }
1799
1800                         }
1801
1802                 }
1803         } catch (e) {
1804                 exception_error("show_labels_in_headlines", e);
1805
1806         }
1807 }
1808
1809 function toggleHeadlineActions() {
1810         try {
1811                 var e = $("headlineActionsBody");
1812                 var p = $("headlineActionsDrop");
1813
1814                 if (!Element.visible(e)) {
1815                         Element.show(e);
1816                 } else {
1817                         Element.hide(e);
1818                 }
1819
1820                 e.scrollTop = 0;
1821                 e.style.left = (p.offsetLeft + 1) + "px";
1822                 e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
1823
1824         } catch (e) {
1825                 exception_error("toggleHeadlineActions", e);
1826         }
1827 }
1828
1829 function publishWithNote(id, def_note) {
1830         try {
1831                 if (!def_note) def_note = '';
1832
1833                 var note = prompt(__("Please enter a note for this article:"), def_note);
1834
1835                 if (note != undefined) {
1836                         togglePub(id, false, false, note);
1837                 }
1838
1839         } catch (e) {
1840                 exception_error("publishWithNote", e);
1841         }
1842 }
1843
1844 function emailArticle(id) {
1845         try {
1846                 if (!id) {
1847                         var ids = getSelectedArticleIds2();
1848
1849                         if (ids.length == 0) {
1850                                 alert(__("No articles are selected."));
1851                                 return;
1852                         }
1853
1854                         id = ids.toString();
1855                 }
1856
1857                 if (dijit.byId("emailArticleDlg"))
1858                         dijit.byId("emailArticleDlg").destroyRecursive();
1859
1860                 var query = "backend.php?op=dlg&id=emailArticle&param=" + param_escape(id);
1861
1862                 dialog = new dijit.Dialog({
1863                         id: "emailArticleDlg",
1864                         title: __("Forward article by email"),
1865                         style: "width: 600px",
1866                         execute: function() {
1867                                 if (this.validate()) {
1868
1869                                         new Ajax.Request("backend.php", {
1870                                                 parameters: dojo.objectToQuery(this.attr('value')),
1871                                                 onComplete: function(transport) {
1872
1873                                                         var error = transport.responseXML.getElementsByTagName('error')[0];
1874
1875                                                         if (error) {
1876                                                                 alert(__('Error sending email:') + ' ' + error.firstChild.nodeValue);
1877                                                         } else {
1878                                                                 notify_info('Your message has been sent.');
1879                                                                 dialog.hide();
1880                                                         }
1881
1882                                         } });
1883                                 }
1884                         },
1885                         href: query});
1886
1887                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1888                 dojo.disconnect(tmph);
1889
1890                    new Ajax.Autocompleter('emailArticleDlg_destination', 'emailArticleDlg_dst_choices',
1891                            "backend.php?op=rpc&subop=completeEmails",
1892                            { tokens: '', paramName: "search" });
1893                 });
1894
1895                 dialog.show();
1896
1897                 /* displayDlg('emailArticle', id,
1898                    function () {
1899                                 document.forms['article_email_form'].destination.focus();
1900
1901                            new Ajax.Autocompleter('destination', 'destination_choices',
1902                                    "backend.php?op=rpc&subop=completeEmails",
1903                                    { tokens: '', paramName: "search" });
1904
1905                         }); */
1906
1907         } catch (e) {
1908                 exception_error("emailArticle", e);
1909         }
1910 }
1911
1912 function dismissArticle(id) {
1913         try {
1914                 var elem = $("RROW-" + id);
1915
1916                 toggleUnread(id, 0, true);
1917
1918                 new Effect.Fade(elem, {duration : 0.5});
1919
1920                 active_post_id = false;
1921
1922         } catch (e) {
1923                 exception_error("dismissArticle", e);
1924         }
1925 }
1926
1927 function dismissSelectedArticles() {
1928         try {
1929
1930                 var ids = getVisibleArticleIds();
1931                 var tmp = [];
1932                 var sel = [];
1933
1934                 for (var i = 0; i < ids.length; i++) {
1935                         var elem = $("RROW-" + ids[i]);
1936
1937                         if (elem.className && elem.hasClassName("Selected") &&
1938                                         ids[i] != active_post_id) {
1939                                 new Effect.Fade(elem, {duration : 0.5});
1940                                 sel.push(ids[i]);
1941                         } else {
1942                                 tmp.push(ids[i]);
1943                         }
1944                 }
1945
1946                 if (sel.length > 0)
1947                         selectionToggleUnread(false);
1948
1949                 fixHeadlinesOrder(tmp);
1950
1951         } catch (e) {
1952                 exception_error("dismissSelectedArticles", e);
1953         }
1954 }
1955
1956 function dismissReadArticles() {
1957         try {
1958
1959                 var ids = getVisibleArticleIds();
1960                 var tmp = [];
1961
1962                 for (var i = 0; i < ids.length; i++) {
1963                         var elem = $("RROW-" + ids[i]);
1964
1965                         if (elem.className && !elem.hasClassName("Unread") &&
1966                                         !elem.hasClassName("Selected")) {
1967
1968                                 new Effect.Fade(elem, {duration : 0.5});
1969                         } else {
1970                                 tmp.push(ids[i]);
1971                         }
1972                 }
1973
1974                 fixHeadlinesOrder(tmp);
1975
1976         } catch (e) {
1977                 exception_error("dismissSelectedArticles", e);
1978         }
1979 }
1980
1981 function getVisibleArticleIds() {
1982         var ids = [];
1983
1984         try {
1985
1986                 getLoadedArticleIds().each(function(id) {
1987                         var elem = $("RROW-" + id);
1988                         if (elem && Element.visible(elem))
1989                                 ids.push(id);
1990                         });
1991
1992         } catch (e) {
1993                 exception_error("getVisibleArticleIds", e);
1994         }
1995
1996         return ids;
1997 }
1998
1999 function cdmClicked(event, id) {
2000         try {
2001                 var shift_key = event.shiftKey;
2002
2003                 hideAuxDlg();
2004
2005                 if (!event.ctrlKey) {
2006
2007                         if (!getInitParam("cdm_expanded")) {
2008                                 return cdmExpandArticle(id);
2009                         } else {
2010
2011                                 selectArticles("none");
2012                                 toggleSelected(id);
2013
2014                                 var elem = $("RROW-" + id);
2015
2016                                 if (elem)
2017                                         elem.removeClassName("Unread");
2018
2019                                 var upd_img_pic = $("FUPDPIC-" + id);
2020
2021                                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
2022                                                 upd_img_pic.src.match("fresh_sign.png"))) {
2023
2024                                         upd_img_pic.src = "images/blank_icon.gif";
2025                                 }
2026
2027                                 active_post_id = id;
2028
2029                                 var query = "?op=rpc&subop=catchupSelected" +
2030                                         "&cmode=0&ids=" + param_escape(id);
2031
2032                                 new Ajax.Request("backend.php", {
2033                                         parameters: query,
2034                                         onComplete: function(transport) {
2035                                                 handle_rpc_reply(transport);
2036                                         } });
2037                         }
2038
2039                 } else {
2040                         toggleSelected(id, true);
2041                         toggleUnread(id, 0, false);
2042                         zoomToArticle(event, id);
2043                 }
2044
2045         } catch (e) {
2046                 exception_error("cdmClicked");
2047         }
2048
2049         return false;
2050 }
2051
2052 function postClicked(event, id) {
2053         try {
2054
2055                 if (!event.ctrlKey) {
2056                         return true;
2057                 } else {
2058                         postOpenInNewTab(event, id);
2059                         return false;
2060                 }
2061
2062         } catch (e) {
2063                 exception_error("postClicked");
2064         }
2065 }
2066
2067 function hlOpenInNewTab(event, id) {
2068         toggleUnread(id, 0, false);
2069         zoomToArticle(event, id);
2070 }
2071
2072 function postOpenInNewTab(event, id) {
2073         closeArticlePanel(id);
2074         zoomToArticle(event, id);
2075 }
2076
2077 function hlClicked(event, id) {
2078         try {
2079                 if (event.altKey) {
2080                         openArticleInNewWindow(id);
2081                 } else if (!event.ctrlKey) {
2082                         view(id);
2083                         return true;
2084                 } else {
2085                         toggleSelected(id);
2086                         toggleUnread(id, 0, false);
2087                         zoomToArticle(event, id);
2088                         return false;
2089                 }
2090
2091         } catch (e) {
2092                 exception_error("hlClicked");
2093         }
2094 }
2095
2096 function getFirstVisibleHeadlineId() {
2097         var rows = getVisibleArticleIds();
2098         return rows[0];
2099
2100 }
2101
2102 function getLastVisibleHeadlineId() {
2103         var rows = getVisibleArticleIds();
2104         return rows[rows.length-1];
2105 }
2106
2107 function openArticleInNewWindow(id) {
2108         toggleUnread(id, 0, false);
2109         window.open("backend.php?op=la&id=" + id);
2110 }
2111
2112 function isCdmMode() {
2113         return getInitParam("combined_display_mode");
2114 }
2115
2116 function markHeadline(id) {
2117         var row = $("RROW-" + id);
2118         if (row) {
2119                 var check = $("RCHK-" + id);
2120
2121                 if (check) {
2122                         check.checked = true;
2123                 }
2124
2125                 row.addClassName("Selected");
2126         }
2127 }
2128
2129 function getRelativePostIds(id, limit) {
2130
2131         var tmp = [];
2132
2133         try {
2134
2135                 if (!limit) limit = 3;
2136
2137                 var ids = getVisibleArticleIds();
2138
2139                 for (var i = 0; i < ids.length; i++) {
2140                         if (ids[i] == id) {
2141                                 for (var k = 1; k <= limit; k++) {
2142                                         if (i > k-1) tmp.push(ids[i-k]);
2143                                         if (i < ids.length-k) tmp.push(ids[i+k]);
2144                                 }
2145                                 break;
2146                         }
2147                 }
2148
2149         } catch (e) {
2150                 exception_error("getRelativePostIds", e);
2151         }
2152
2153         return tmp;
2154 }
2155
2156 function correctHeadlinesOffset(id) {
2157
2158         try {
2159
2160                 var container = $("headlines-frame");
2161                 var row = $("RROW-" + id);
2162
2163                 var viewport = container.offsetHeight;
2164
2165                 var rel_offset_top = row.offsetTop - container.scrollTop;
2166                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
2167
2168                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
2169                 //console.log("Vport: " + viewport);
2170
2171                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
2172                         container.scrollTop = row.offsetTop;
2173                 } else if (rel_offset_bottom > viewport) {
2174
2175                         /* doesn't properly work with Opera in some cases because
2176                                 Opera fucks up element scrolling */
2177
2178                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
2179                 }
2180
2181         } catch (e) {
2182                 exception_error("correctHeadlinesOffset", e);
2183         }
2184
2185 }
2186
2187 function headlineActionsChange(elem) {
2188         try {
2189                 eval(elem.value);
2190                 elem.attr('value', 'false');
2191         } catch (e) {
2192                 exception_error("headlineActionsChange", e);
2193         }
2194 }
2195
2196 function closeArticlePanel() {
2197
2198         var tabs = dijit.byId("content-tabs");
2199         var child = tabs.selectedChildWidget;
2200
2201         if (child && tabs.getIndexOfChild(child) > 0) {
2202                 tabs.removeChild(child);
2203                 child.destroy();
2204         } else {
2205                 if (dijit.byId("content-insert"))
2206                         dijit.byId("headlines-wrap-inner").removeChild(
2207                                 dijit.byId("content-insert"));
2208         }
2209 }
2210
2211 function initHeadlinesMenu() {
2212         try {
2213                 if (dijit.byId("headlinesMenu"))
2214                         dijit.byId("headlinesMenu").destroyRecursive();
2215
2216                 var ids = [];
2217
2218                 if (!isCdmMode()) {
2219                         nodes = $$("#headlines-frame > div[id*=RROW]");
2220                 } else {
2221                         nodes = $$("#headlines-frame span[id*=RTITLE]");
2222                 }
2223
2224                 nodes.each(function(node) {
2225                         ids.push(node.id);
2226                 });
2227
2228                 var menu = new dijit.Menu({
2229                         id: "headlinesMenu",
2230                         targetNodeIds: ids,
2231                 });
2232
2233                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
2234                         var callerNode = event.target, match = null, tries = 0;
2235
2236                         while (match == null && callerNode && tries <= 3) {
2237                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2238                                 callerNode = callerNode.parentNode;
2239                                 ++tries;
2240                         }
2241
2242                         if (match) this.callerRowId = parseInt(match[1]);
2243
2244                 });
2245
2246                 if (!isCdmMode())
2247                         menu.addChild(new dijit.MenuItem({
2248                                 label: __("View article"),
2249                                 onClick: function(event) {
2250                                         view(this.getParent().callerRowId);
2251                                 }}));
2252
2253                 menu.addChild(new dijit.MenuItem({
2254                         label: __("View in a new tab"),
2255                         onClick: function(event) {
2256                                 hlOpenInNewTab(event, this.getParent().callerRowId);
2257                                 }}));
2258
2259                 menu.addChild(new dijit.MenuSeparator());
2260
2261                 menu.addChild(new dijit.MenuItem({
2262                         label: __("Open original article"),
2263                         onClick: function(event) {
2264                                 openArticleInNewWindow(this.getParent().callerRowId);
2265                         }}));
2266
2267                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
2268
2269                 if (labels) {
2270
2271                         menu.addChild(new dijit.MenuSeparator());
2272
2273                         var labelsMenu = new dijit.Menu({ownerMenu: menu});
2274
2275                         labels.each(function(label) {
2276                                 var id = label.id[0];
2277                                 var bare_id = id.substr(id.indexOf(":")+1);
2278                                 var name = label.name[0];
2279
2280                                 bare_id = -11-bare_id;
2281
2282                                 labelsMenu.addChild(new dijit.MenuItem({
2283                                         label: name,
2284                                         labelId: bare_id,
2285                                         onClick: function(event) {
2286                                                 //console.log(this.labelId);
2287                                                 //console.log(this.getParent().ownerMenu.callerRowId);
2288                                                 selectionAssignLabel(this.labelId,
2289                                                         [this.getParent().ownerMenu.callerRowId]);
2290                                 }}));
2291                         });
2292
2293                         menu.addChild(new dijit.PopupMenuItem({
2294                                 label: __("Labels"),
2295                                 popup: labelsMenu,
2296                         }));
2297                 }
2298
2299                 menu.startup();
2300
2301         } catch (e) {
2302                 exception_error("initHeadlinesMenu", e);
2303         }
2304 }
2305
2306 function tweetArticle(id) {
2307         try {
2308                 var query = "?op=rpc&subop=getTweetInfo&id=" + param_escape(id);
2309
2310                 console.log(query);
2311
2312                 var d = new Date();
2313       var ts = d.getTime();
2314
2315                 var w = window.open('backend.php?op=loading', 'ttrss_tweet',
2316                         "status=0,toolbar=0,location=0,width=500,height=400,scrollbars=1,menubar=0");
2317
2318                 new Ajax.Request("backend.php", {
2319                         parameters: query,
2320                         onComplete: function(transport) {
2321                                 var ti = JSON.parse(transport.responseText);
2322
2323                                 var share_url = "http://twitter.com/share?_=" + ts +
2324                                         "&text=" + param_escape(ti.title) +
2325                                         "&url=" + param_escape(ti.link);
2326
2327                                 w.location.href = share_url;
2328
2329                         } });
2330
2331
2332         } catch (e) {
2333                 exception_error("tweetArticle", e);
2334         }
2335 }