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