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(100);
  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                                         $("headlinesInnerContainer").innerHTML = headlines_content.firstChild.nodeValue;
 102                                         $("headlines-toolbar").innerHTML = headlines_toolbar.firstChild.nodeValue;
 103
 104                                         dojo.parser.parse("headlines-toolbar");
 105                                         //dijit.byId("main").resize();
 106
 107                                         var cache_prefix = "";
 108
 109                                         if (is_cat) {
 110                                                 cache_prefix = "C:";
 111                                         } else {
 112                                                 cache_prefix = "F:";
 113                                         }
 114
 115                                         cache_invalidate(cache_prefix + feed_id);
 116
 117                                         if (!disable_cache) {
 118                                                 cache_inject(cache_prefix + feed_id,
 119                                                         $("headlines-frame").innerHTML, headlines_unread);
 120                                         }
 121
 122                                 } else {
 123                                         console.warn("headlines_callback: returned no data");
 124                                 $('headlinesInnerContainer').innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
 125
 126                                 }
 127                         } else {
 128                                 if (headlines) {
 129                                         if (headlines_count > 0) {
 130                                                 console.log("adding some more headlines...");
 131
 132                                                 c = $("headlinesInnerContainer");
 133
 134                                                 var ids = getSelectedArticleIds2();
 135
 136                                                 c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
 137
 138                                                 console.log("restore selected ids: " + ids);
 139
 140                                                 for (var i = 0; i < ids.length; i++) {
 141                                                         markHeadline(ids[i]);
 142                                                 }
 143
 144                                         } else {
 145                                                 console.log("no new headlines received");
 146                                         }
 147                                 } else {
 148                                         console.warn("headlines_callback: returned no data");
 149                                         notify_error("Error while trying to load more headlines");
 150                                 }
 151
 152                         }
 153
 154                         if (articles) {
 155                                 for (var i = 0; i < articles.length; i++) {
 156                                         var a_id = articles[i].getAttribute("id");
 157                                         //console.log("found id: " + a_id);
 158                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 159                                 }
 160                         } else {
 161                                 console.log("no cached articles received");
 162                         }
 163
 164                         if (counters)
 165                                 parse_counters(counters);
 166                         else
 167                                 request_counters();
 168
 169                         if (runtime_info) {
 170                                 parse_runtime_info(runtime_info[0]);
 171                         }
 172
 173                 } else {
 174                         console.warn("headlines_callback: returned no XML object");
 175                         $('headlinesInnerContainer').innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML object)') + "</div>";
 176                 }
 177
 178
 179                 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
 180
 181                 if (isCdmMode() &&
 182                                 getActiveFeedId() != -3 &&
 183                                 getInitParam("cdm_auto_catchup") == 1) {
 184                         console.log("starting CDM watchdog");
 185                         _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 186                         _cdm_wd_vishist = new Array();
 187                 } else {
 188                         console.log("not in CDM mode or watchdog disabled");
 189                 }
 190
 191                 _feed_cur_page = feed_cur_page;
 192                 _infscroll_request_sent = 0;
 193
 194                 notify("");
 195
 196                 remove_splash();
 197
 198         } catch (e) {
 199                 exception_error("headlines_callback2", e, transport);
 200         }
 201 }
 202
 203 function render_article(article) {
 204         try {
 205                 dijit.byId("headlines-wrap-inner").addChild(
 206                                 dijit.byId("content-insert"));
 207
 208                 var c = $("content-insert");
 209
 210                 try {
 211                         c.scrollTop = 0;
 212                 } catch (e) { };
 213
 214                 c.innerHTML = article;
 215
 216                 correctHeadlinesOffset(getActiveArticleId());
 217
 218         } catch (e) {
 219                 exception_error("render_article", e);
 220         }
 221 }
 222
 223 function showArticleInHeadlines(id) {
 224
 225         try {
 226
 227                 selectArticles("none");
 228
 229                 var crow = $("RROW-" + id);
 230
 231                 if (!crow) return;
 232
 233                 var article_is_unread = crow.hasClassName("Unread");
 234
 235                 crow.removeClassName("Unread");
 236
 237                 selectArticles('none');
 238
 239                 var upd_img_pic = $("FUPDPIC-" + id);
 240
 241                 var cache_prefix = "";
 242
 243                 if (activeFeedIsCat()) {
 244                         cache_prefix = "C:";
 245                 } else {
 246                         cache_prefix = "F:";
 247                 }
 248
 249                 var view_mode = false;
 250
 251                 try {
 252                         view_mode = document.forms['main_toolbar_form'].view_mode;
 253                         view_mode = view_mode[view_mode.selectedIndex].value;
 254                 } catch (e) {
 255                         //
 256                 }
 257
 258                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 259                                         upd_img_pic.src.match("fresh_sign.png"))) {
 260
 261                         upd_img_pic.src = "images/blank_icon.gif";
 262
 263                         cache_invalidate(cache_prefix + getActiveFeedId());
 264
 265                         cache_inject(cache_prefix + getActiveFeedId(),
 266                                 $("headlines-frame").innerHTML,
 267                                 get_feed_unread(getActiveFeedId()));
 268
 269                 } else if (article_is_unread && view_mode == "all_articles") {
 270
 271                         cache_invalidate(cache_prefix + getActiveFeedId());
 272
 273                         cache_inject(cache_prefix + getActiveFeedId(),
 274                                 $("headlines-frame").innerHTML,
 275                                 get_feed_unread(getActiveFeedId())-1);
 276
 277                 } else if (article_is_unread) {
 278                         cache_invalidate(cache_prefix + getActiveFeedId());
 279                 }
 280
 281                 markHeadline(id);
 282
 283                 if (article_is_unread)
 284                         _force_scheduled_update = true;
 285
 286         } catch (e) {
 287                 exception_error("showArticleInHeadlines", e);
 288         }
 289 }
 290
 291 function article_callback2(transport, id) {
 292         try {
 293                 console.log("article_callback2 " + id);
 294
 295                 if (!handle_rpc_reply(transport)) return;
 296
 297                 if (transport.responseXML) {
 298
 299                         if (!transport_error_check(transport)) return;
 300
 301                         var upic = $('FUPDPIC-' + id);
 302
 303                         if (upic) {
 304                                 upic.src = 'images/blank_icon.gif';
 305                         }
 306
 307                         if (id != last_requested_article) {
 308                                 console.log("requested article id is out of sequence, aborting");
 309                                 return;
 310                         }
 311
 312 //                      active_post_id = id;
 313
 314                         //console.log("looking for articles to cache...");
 315
 316                         var articles = transport.responseXML.getElementsByTagName("article");
 317
 318                         for (var i = 0; i < articles.length; i++) {
 319                                 var a_id = articles[i].getAttribute("id");
 320
 321                                 //console.log("found id: " + a_id);
 322
 323                                 if (a_id == active_post_id) {
 324                                         //console.log("active article, rendering...");
 325                                         render_article(articles[i].firstChild.nodeValue);
 326                                 }
 327
 328                                 cache_inject(a_id, articles[i].firstChild.nodeValue);
 329                         }
 330
 331
 332 //                      showArticleInHeadlines(id);
 333
 334                         var reply = transport.responseXML.firstChild.firstChild;
 335
 336                 } else {
 337                         console.warn("article_callback: returned no XML object");
 338                         //var f = $("content-frame");
 339                         //f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 340                 }
 341
 342                 var date = new Date();
 343                 last_article_view = date.getTime() / 1000;
 344
 345                 request_counters();
 346
 347                 notify("");
 348         } catch (e) {
 349                 exception_error("article_callback2", e, transport);
 350         }
 351 }
 352
 353 function view(id) {
 354         try {
 355                 console.log("loading article: " + id);
 356
 357                 var cached_article = cache_find(id);
 358
 359                 console.log("cache check result: " + (cached_article != false));
 360
 361                 enableHotkeys();
 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) {
 668         try {
 669
 670                 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) {
 706         try {
 707
 708                 var 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         $$("#headlinesInnerContainer > div[id*=RROW][class*=Selected]").each(
 872                 function(child) {
 873                         rv.push(child.id.replace("RROW-", ""));
 874                 });
 875
 876         return rv;
 877 }
 878
 879 function getLoadedArticleIds() {
 880         var rv = [];
 881
 882         var children = $$("#headlinesInnerContainer > 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 = $$("#headlinesInnerContainer > 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, feed_id, cdm_enabled) {
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
1082 function editTagsSave() {
1083
1084         notify_progress("Saving article tags...");
1085
1086         var form = document.forms["tag_edit_form"];
1087
1088         var query = Form.serialize("tag_edit_form");
1089
1090         query = "?op=rpc&subop=setArticleTags&" + query;
1091
1092         console.log(query);
1093
1094         new Ajax.Request("backend.php", {
1095                 parameters: query,
1096                 onComplete: function(transport) {
1097                                 try {
1098                                         //console.log("tags saved...");
1099
1100                                         closeInfoBox();
1101                                         notify("");
1102
1103                                         if (transport.responseXML) {
1104                                                 var tags_str = transport.responseXML.getElementsByTagName("tags-str")[0];
1105
1106                                                 if (tags_str) {
1107                                                         var id = tags_str.getAttribute("id");
1108
1109                                                         if (id) {
1110                                                                 var tags = $("ATSTR-" + id);
1111                                                                 if (tags) {
1112                                                                         tags.innerHTML = tags_str.firstChild.nodeValue;
1113                                                                 }
1114
1115                                                                 cache_invalidate(id);
1116                                                         }
1117                                                 }
1118                                         }
1119
1120                                 } catch (e) {
1121                                         exception_error("editTagsSave", e);
1122                                 }
1123                         } });
1124 }
1125
1126 function editTagsInsert() {
1127         try {
1128
1129                 var form = document.forms["tag_edit_form"];
1130
1131                 var found_tags = form.found_tags;
1132                 var tags_str = form.tags_str;
1133
1134                 var tag = found_tags[found_tags.selectedIndex].value;
1135
1136                 if (tags_str.value.length > 0 &&
1137                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1138
1139                         tags_str.value = tags_str.value + ", ";
1140                 }
1141
1142                 tags_str.value = tags_str.value + tag + ", ";
1143
1144                 found_tags.selectedIndex = 0;
1145
1146         } catch (e) {
1147                 exception_error("editTagsInsert", e);
1148         }
1149 }
1150
1151 function cdmScrollToArticleId(id) {
1152         try {
1153                 var ctr = $("headlines-frame");
1154                 var e = $("RROW-" + id);
1155
1156                 if (!e || !ctr) return;
1157
1158                 ctr.scrollTop = e.offsetTop;
1159
1160         } catch (e) {
1161                 exception_error("cdmScrollToArticleId", e);
1162         }
1163 }
1164
1165 function cdmWatchdog() {
1166
1167         try {
1168
1169                 var ctr = $("headlinesInnerContainer");
1170
1171                 if (!ctr) return;
1172
1173                 var ids = new Array();
1174
1175                 var e = ctr.firstChild;
1176
1177                 while (e) {
1178                         if (e.className && e.hasClassName("Unread") && e.id &&
1179                                         e.id.match("RROW-")) {
1180
1181                                 // article fits in viewport OR article is longer than viewport and
1182                                 // its bottom is visible
1183
1184                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1185                                                 ctr.scrollTop + ctr.offsetHeight) {
1186
1187 //                                      console.log(e.id + " is visible " + e.offsetTop + "." +
1188 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1189 //                                              (ctr.scrollTop + ctr.offsetHeight));
1190
1191                                         ids.push(e.id.replace("RROW-", ""));
1192
1193                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1194                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1195                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1196
1197                                         ids.push(e.id.replace("RROW-", ""));
1198
1199                                 }
1200
1201                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1202
1203 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1204                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1205
1206                                         ids.push(e.id.replace("RROW-", ""));
1207
1208                                 } */
1209
1210                         }
1211
1212                         e = e.nextSibling;
1213                 }
1214
1215                 console.log("cdmWatchdog, ids= " + ids.toString());
1216
1217                 if (ids.length > 0) {
1218
1219                         for (var i = 0; i < ids.length; i++) {
1220                                 var e = $("RROW-" + ids[i]);
1221                                 if (e) {
1222                                         e.removeClassName("Unread");
1223                                 }
1224                         }
1225
1226                         var query = "?op=rpc&subop=catchupSelected" +
1227                                 "&cmode=0" + "&ids=" + param_escape(ids.toString());
1228
1229                         new Ajax.Request("backend.php", {
1230                                 parameters: query,
1231                                 onComplete: function(transport) {
1232                                         handle_rpc_reply(transport);
1233                                 } });
1234
1235                 }
1236
1237                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1238
1239         } catch (e) {
1240                 exception_error("cdmWatchdog", e);
1241         }
1242
1243 }
1244
1245
1246 function cache_inject(id, article, param) {
1247
1248         try {
1249                 if (!cache_check_param(id, param)) {
1250                         //console.log("cache_article: miss: " + id + " [p=" + param + "]");
1251
1252                    var date = new Date();
1253               var ts = Math.round(date.getTime() / 1000);
1254
1255                         var cache_obj = {};
1256
1257                         cache_obj["id"] = id;
1258                         cache_obj["data"] = article;
1259                         cache_obj["param"] = param;
1260
1261                         if (param) id = id + ":" + param;
1262
1263                         cache_added["TS:" + id] = ts;
1264
1265                         if (has_local_storage())
1266                                 localStorage.setItem(id, JSON.stringify(cache_obj));
1267                         else
1268                                 article_cache.push(cache_obj);
1269
1270                 } else {
1271                         //console.log("cache_article: hit: " + id + " [p=" + param + "]");
1272                 }
1273         } catch (e) {
1274                 exception_error("cache_inject", e);
1275         }
1276 }
1277
1278 function cache_find(id) {
1279
1280         if (has_local_storage()) {
1281                 var cache_obj = localStorage.getItem(id);
1282
1283                 if (cache_obj) {
1284                         cache_obj = JSON.parse(cache_obj);
1285
1286                         if (cache_obj)
1287                                 return cache_obj['data'];
1288                 }
1289
1290         } else {
1291                 for (var i = 0; i < article_cache.length; i++) {
1292                         if (article_cache[i]["id"] == id) {
1293                                 return article_cache[i]["data"];
1294                         }
1295                 }
1296         }
1297         return false;
1298 }
1299
1300 function cache_find_param(id, param) {
1301
1302         if (has_local_storage()) {
1303
1304                 if (param) id = id + ":" + param;
1305
1306                 var cache_obj = localStorage.getItem(id);
1307
1308                 if (cache_obj) {
1309                         cache_obj = JSON.parse(cache_obj);
1310
1311                         if (cache_obj)
1312                                 return cache_obj['data'];
1313                 }
1314
1315         } else {
1316                 for (var i = 0; i < article_cache.length; i++) {
1317                         if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1318                                 return article_cache[i]["data"];
1319                         }
1320                 }
1321         }
1322
1323         return false;
1324 }
1325
1326 function cache_check(id) {
1327         if (has_local_storage()) {
1328                 if (localStorage.getItem(id))
1329                         return true;
1330         } else {
1331                 for (var i = 0; i < article_cache.length; i++) {
1332                         if (article_cache[i]["id"] == id) {
1333                                 return true;
1334                         }
1335                 }
1336         }
1337         return false;
1338 }
1339
1340 function cache_check_param(id, param) {
1341         if (has_local_storage()) {
1342
1343                 if (param) id = id + ":" + param;
1344
1345                 if (localStorage.getItem(id))
1346                         return true;
1347
1348         } else {
1349                 for (var i = 0; i < article_cache.length; i++) {
1350                         if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1351                                 return true;
1352                         }
1353                 }
1354         }
1355         return false;
1356 }
1357
1358 function cache_expire() {
1359 if (has_local_storage()) {
1360
1361                 var date = new Date();
1362                 var timestamp = Math.round(date.getTime() / 1000);
1363
1364                 for (var i = 0; i < localStorage.length; i++) {
1365
1366                         var id = localStorage.key(i);
1367
1368                         if (timestamp - cache_added["TS:" + id] > 180) {
1369                                 localStorage.removeItem(id);
1370                         }
1371                 }
1372
1373         } else {
1374                 while (article_cache.length > 25) {
1375                         article_cache.shift();
1376                 }
1377         }
1378 }
1379
1380 function cache_flush() {
1381         if (has_local_storage()) {
1382                 localStorage.clear();
1383         } else {
1384                 article_cache = new Array();
1385         }
1386 }
1387
1388 function cache_invalidate(id) {
1389         try {
1390                 if (has_local_storage()) {
1391
1392                         var found = false;
1393
1394                         for (var i = 0; i < localStorage.length; i++) {
1395                                 var key = localStorage.key(i);
1396
1397 //                                      console.warn("cache_invalidate: " + key_id + " cmp " + id);
1398
1399                                 if (key == id || key.indexOf(id + ":") == 0) {
1400                                         localStorage.removeItem(key);
1401                                         found = true;
1402                                         break;
1403                                 }
1404                         }
1405
1406                         return found;
1407
1408                 } else {
1409                         var i = 0
1410
1411                         while (i < article_cache.length) {
1412                                 if (article_cache[i]["id"] == id) {
1413                                         //console.log("cache_invalidate: removed id " + id);
1414                                         article_cache.splice(i, 1);
1415                                         return true;
1416                                 }
1417                                 i++;
1418                         }
1419                 }
1420
1421                 //console.log("cache_invalidate: id not found: " + id);
1422                 return false;
1423         } catch (e) {
1424                 exception_error("cache_invalidate", e);
1425         }
1426 }
1427
1428 function getActiveArticleId() {
1429         return active_post_id;
1430 }
1431
1432 function preloadBatchedArticles() {
1433         try {
1434
1435                 var query = "?op=rpc&subop=getArticles&ids=" +
1436                         preload_id_batch.toString();
1437
1438                 new Ajax.Request("backend.php", {
1439                         parameters: query,
1440                         onComplete: function(transport) {
1441
1442                                 preload_id_batch = [];
1443
1444                                 var articles = transport.responseXML.getElementsByTagName("article");
1445
1446                                 for (var i = 0; i < articles.length; i++) {
1447                                         var id = articles[i].getAttribute("id");
1448                                         if (!cache_check(id)) {
1449                                                 cache_inject(id, articles[i].firstChild.nodeValue);
1450                                                 console.log("preloaded article: " + id);
1451                                         }
1452                                 }
1453                 } });
1454
1455         } catch (e) {
1456                 exception_error("preloadBatchedArticles", e);
1457         }
1458 }
1459
1460 function preloadArticleUnderPointer(id) {
1461         try {
1462                 if (getInitParam("bw_limit") == "1") return;
1463
1464                 if (post_under_pointer == id && !cache_check(id)) {
1465
1466                         console.log("trying to preload article " + id);
1467
1468                         var neighbor_ids = getRelativePostIds(id, 1);
1469
1470                         /* only request uncached articles */
1471
1472                         if (preload_id_batch.indexOf(id) == -1) {
1473                                 for (var i = 0; i < neighbor_ids.length; i++) {
1474                                         if (!cache_check(neighbor_ids[i])) {
1475                                                 preload_id_batch.push(neighbor_ids[i]);
1476                                         }
1477                                 }
1478                         }
1479
1480                         if (preload_id_batch.indexOf(id) == -1)
1481                                 preload_id_batch.push(id);
1482
1483                         //console.log("preload ids batch: " + preload_id_batch.toString());
1484
1485                         window.clearTimeout(preload_timeout_id);
1486                         preload_batch_timeout_id = window.setTimeout('preloadBatchedArticles()', 1000);
1487
1488                 }
1489         } catch (e) {
1490                 exception_error("preloadArticleUnderPointer", e);
1491         }
1492 }
1493
1494 function postMouseIn(id) {
1495         try {
1496                 if (post_under_pointer != id) {
1497                         post_under_pointer = id;
1498                         if (!isCdmMode()) {
1499                                 window.setTimeout("preloadArticleUnderPointer(" + id + ")", 250);
1500                         }
1501                 }
1502
1503         } catch (e) {
1504                 exception_error("postMouseIn", e);
1505         }
1506 }
1507
1508 function postMouseOut(id) {
1509         try {
1510                 post_under_pointer = false;
1511         } catch (e) {
1512                 exception_error("postMouseOut", e);
1513         }
1514 }
1515
1516 function headlines_scroll_handler() {
1517         try {
1518
1519                 var e = $("headlinesInnerContainer");
1520
1521                 var toolbar_form = document.forms["main_toolbar_form"];
1522
1523 //              console.log((e.scrollTop + e.offsetHeight) + " vs " + e.scrollHeight + " dis? " +
1524 //                      _infscroll_disable);
1525
1526                 if (e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
1527                         if (!_infscroll_disable) {
1528                                 viewNextFeedPage();
1529                         }
1530                 }
1531
1532         } catch (e) {
1533                 exception_error("headlines_scroll_handler", e);
1534         }
1535 }
1536
1537 function catchupRelativeToArticle(below) {
1538
1539         try {
1540
1541
1542                 if (!getActiveArticleId()) {
1543                         alert(__("No article is selected."));
1544                         return;
1545                 }
1546
1547                 var visible_ids = getVisibleArticleIds();
1548
1549                 var ids_to_mark = new Array();
1550
1551                 if (!below) {
1552                         for (var i = 0; i < visible_ids.length; i++) {
1553                                 if (visible_ids[i] != getActiveArticleId()) {
1554                                         var e = $("RROW-" + visible_ids[i]);
1555
1556                                         if (e && e.hasClassName("Unread")) {
1557                                                 ids_to_mark.push(visible_ids[i]);
1558                                         }
1559                                 } else {
1560                                         break;
1561                                 }
1562                         }
1563                 } else {
1564                         for (var i = visible_ids.length-1; i >= 0; i--) {
1565                                 if (visible_ids[i] != getActiveArticleId()) {
1566                                         var e = $("RROW-" + visible_ids[i]);
1567
1568                                         if (e && e.hasClassName("Unread")) {
1569                                                 ids_to_mark.push(visible_ids[i]);
1570                                         }
1571                                 } else {
1572                                         break;
1573                                 }
1574                         }
1575                 }
1576
1577                 if (ids_to_mark.length == 0) {
1578                         alert(__("No articles found to mark"));
1579                 } else {
1580                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1581
1582                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1583
1584                                 for (var i = 0; i < ids_to_mark.length; i++) {
1585                                         var e = $("RROW-" + ids_to_mark[i]);
1586                                         e.removeClassName("Unread");
1587                                 }
1588
1589                                 var query = "?op=rpc&subop=catchupSelected" +
1590                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1591
1592                                 new Ajax.Request("backend.php", {
1593                                         parameters: query,
1594                                         onComplete: function(transport) {
1595                                                 catchup_callback2(transport);
1596                                         } });
1597
1598                         }
1599                 }
1600
1601         } catch (e) {
1602                 exception_error("catchupRelativeToArticle", e);
1603         }
1604 }
1605
1606 function cdmExpandArticle(id) {
1607         try {
1608
1609                 hideAuxDlg();
1610
1611                 var elem = $("CICD-" + active_post_id);
1612
1613                 var upd_img_pic = $("FUPDPIC-" + id);
1614
1615                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1616                                 upd_img_pic.src.match("fresh_sign.png"))) {
1617
1618                         upd_img_pic.src = "images/blank_icon.gif";
1619                 }
1620
1621                 if (id == active_post_id && Element.visible(elem))
1622                         return true;
1623
1624                 selectArticles("none");
1625
1626                 var old_offset = $("RROW-" + id).offsetTop;
1627
1628                 if (active_post_id && elem && !getInitParam("cdm_expanded")) {
1629                         Element.hide(elem);
1630                         Element.show("CEXC-" + active_post_id);
1631                 }
1632
1633                 active_post_id = id;
1634
1635                 elem = $("CICD-" + id);
1636
1637                 if (!Element.visible(elem)) {
1638                         Element.show(elem);
1639                         Element.hide("CEXC-" + id);
1640
1641                         if ($("CWRAP-" + id).innerHTML == "") {
1642
1643                                 $("FUPDPIC-" + id).src = "images/indicator_tiny.gif";
1644
1645                                 $("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" +
1646                                         __("Loading, please wait...") + "</div>";
1647
1648                                 var query = "?op=rpc&subop=cdmGetArticle&id=" + param_escape(id);
1649
1650                                 //console.log(query);
1651
1652                                 new Ajax.Request("backend.php", {
1653                                         parameters: query,
1654                                         onComplete: function(transport) {
1655                                                 $("FUPDPIC-" + id).src = 'images/blank_icon.gif';
1656
1657                                                 if (transport.responseXML) {
1658                                                         var article = transport.responseXML.getElementsByTagName("article")[0];
1659                                                         var recv_id = article.getAttribute("id");
1660
1661                                                         if (recv_id == id)
1662                                                                 $("CWRAP-" + id).innerHTML = article.firstChild.nodeValue;
1663
1664                                                 } else {
1665                                                         $("CWRAP-" + id).innerHTML = __("Unable to load article.");
1666
1667                                                 }
1668                                 }});
1669
1670                         }
1671                 }
1672
1673                 var new_offset = $("RROW-" + id).offsetTop;
1674
1675                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1676
1677                 if ($("RROW-" + id).offsetTop != old_offset)
1678                         $("headlines-frame").scrollTop = new_offset;
1679
1680                 toggleUnread(id, 0, true);
1681                 toggleSelected(id);
1682
1683         } catch (e) {
1684                 exception_error("cdmExpandArticle", e);
1685         }
1686
1687         return false;
1688 }
1689
1690 function fixHeadlinesOrder(ids) {
1691         try {
1692                 for (var i = 0; i < ids.length; i++) {
1693                         var e = $("RROW-" + ids[i]);
1694
1695                         if (e) {
1696                                 if (i % 2 == 0) {
1697                                         e.removeClassName("even");
1698                                         e.addClassName("odd");
1699                                 } else {
1700                                         e.removeClassName("odd");
1701                                         e.addClassName("even");
1702                                 }
1703                         }
1704                 }
1705         } catch (e) {
1706                 exception_error("fixHeadlinesOrder", e);
1707         }
1708 }
1709
1710 function getArticleUnderPointer() {
1711         return post_under_pointer;
1712 }
1713
1714 function zoomToArticle(event, id) {
1715         try {
1716                 /* var w = window.open("backend.php?op=view&mode=zoom&id=" + param_escape(id),
1717                         "ttrss_zoom_" + id,
1718                         "status=0,toolbar=0,location=0,width=450,height=300,scrollbars=1,menubar=0"); */
1719
1720                 var cached_article = cache_find(id);
1721
1722                 if (dijit.byId("ATAB-" + id))
1723                         if (!event || !event.shiftKey)
1724                                 return dijit.byId("content-tabs").selectChild(dijit.byId("ATAB-" + id));
1725
1726                 if (cached_article) {
1727
1728                         var article_pane = new dijit.layout.ContentPane({
1729                                 title: __("Loading...") , content: cached_article,
1730                                 style: 'padding : 0px;',
1731                                 id: 'ATAB-' + id,
1732                                 closable: true });
1733
1734                         dijit.byId("content-tabs").addChild(article_pane);
1735
1736                         if (!event || !event.shiftKey)
1737                                 dijit.byId("content-tabs").selectChild(article_pane);
1738
1739                         if ($("PTITLE-" + id))
1740                                 article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1741
1742                 } else {
1743
1744                         var query = "?op=rpc&subop=getArticles&ids=" + param_escape(id);
1745
1746                         notify_progress("Loading, please wait...", true);
1747
1748                         new Ajax.Request("backend.php", {
1749                                 parameters: query,
1750                                 onComplete: function(transport) {
1751                                         notify('');
1752
1753                                         if (transport.responseXML) {
1754                                                 closeArticlePanel();
1755
1756                                                 var article = transport.responseXML.getElementsByTagName("article")[0];
1757                                                 var content = article.firstChild.nodeValue;
1758
1759                                                 var article_pane = new dijit.layout.ContentPane({
1760                                                         title: "article-" + id , content: content,
1761                                                         style: 'padding : 0px;',
1762                                                         id: 'ATAB-' + id,
1763                                                         closable: true });
1764
1765                                                 dijit.byId("content-tabs").addChild(article_pane);
1766
1767                                                 if (!event || !event.shiftKey)
1768                                                         dijit.byId("content-tabs").selectChild(article_pane);
1769
1770                                                 if ($("PTITLE-" + id))
1771                                                         article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1772                                         }
1773
1774                                 } });
1775                         }
1776
1777         } catch (e) {
1778                 exception_error("zoomToArticle", e);
1779         }
1780 }
1781
1782 function scrollArticle(offset) {
1783         try {
1784                 if (!isCdmMode()) {
1785                         var ci = $("content-insert");
1786                         if (ci) {
1787                                 ci.scrollTop += offset;
1788                         }
1789                 } else {
1790                         var hi = $("headlinesInnerContainer");
1791                         if (hi) {
1792                                 hi.scrollTop += offset;
1793                         }
1794
1795                 }
1796         } catch (e) {
1797                 exception_error("scrollArticle", e);
1798         }
1799 }
1800
1801 function show_labels_in_headlines(transport) {
1802         try {
1803                 if (transport.responseXML) {
1804                         var info = transport.responseXML.getElementsByTagName("info-for-headlines")[0];
1805
1806                         var elems = info.getElementsByTagName("entry");
1807
1808                         for (var l = 0; l < elems.length; l++) {
1809                                 var e_id = elems[l].getAttribute("id");
1810
1811                                 if (e_id) {
1812
1813                                         var ctr = $("HLLCTR-" + e_id);
1814
1815                                         if (ctr) {
1816                                                 ctr.innerHTML = elems[l].firstChild.nodeValue;
1817                                         }
1818                                 }
1819
1820                         }
1821
1822                 }
1823         } catch (e) {
1824                 exception_error("show_labels_in_headlines", e);
1825
1826         }
1827 }
1828
1829 function toggleHeadlineActions() {
1830         try {
1831                 var e = $("headlineActionsBody");
1832                 var p = $("headlineActionsDrop");
1833
1834                 if (!Element.visible(e)) {
1835                         Element.show(e);
1836                 } else {
1837                         Element.hide(e);
1838                 }
1839
1840                 e.scrollTop = 0;
1841                 e.style.left = (p.offsetLeft + 1) + "px";
1842                 e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
1843
1844         } catch (e) {
1845                 exception_error("toggleHeadlineActions", e);
1846         }
1847 }
1848
1849 function publishWithNote(id, def_note) {
1850         try {
1851                 if (!def_note) def_note = '';
1852
1853                 var note = prompt(__("Please enter a note for this article:"), def_note);
1854
1855                 if (note != undefined) {
1856                         togglePub(id, false, false, note);
1857                 }
1858
1859         } catch (e) {
1860                 exception_error("publishWithNote", e);
1861         }
1862 }
1863
1864 function emailArticle(id) {
1865         try {
1866                 if (!id) {
1867                         var ids = getSelectedArticleIds2();
1868
1869                         if (ids.length == 0) {
1870                                 alert(__("No articles are selected."));
1871                                 return;
1872                         }
1873
1874                         id = ids.toString();
1875                 }
1876
1877                 displayDlg('emailArticle', id,
1878                    function () {
1879                                 document.forms['article_email_form'].destination.focus();
1880
1881                            new Ajax.Autocompleter('destination', 'destination_choices',
1882                                    "backend.php?op=rpc&subop=completeEmails",
1883                                    { tokens: '', paramName: "search" });
1884
1885                         });
1886
1887         } catch (e) {
1888                 exception_error("emailArticle", e);
1889         }
1890 }
1891
1892 function emailArticleDo() {
1893         try {
1894                 var f = document.forms['article_email_form'];
1895
1896                 if (f.destination.value == "") {
1897                         alert("Please fill in the destination email.");
1898                         return;
1899                 }
1900
1901                 if (f.subject.value == "") {
1902                         alert("Please fill in the subject.");
1903                         return;
1904                 }
1905
1906                 var query = Form.serialize("article_email_form");
1907
1908 //              console.log(query);
1909
1910                 new Ajax.Request("backend.php", {
1911                         parameters: query,
1912                         onComplete: function(transport) {
1913                                 try {
1914
1915                                         var error = transport.responseXML.getElementsByTagName('error')[0];
1916
1917                                         if (error) {
1918                                                 alert(__('Error sending email:') + ' ' + error.firstChild.nodeValue);
1919                                         } else {
1920                                                 notify_info('Your message has been sent.');
1921                                                 closeInfoBox();
1922                                         }
1923
1924                                 } catch (e) {
1925                                         exception_error("sendEmailDo", e);
1926                                 }
1927
1928                         } });
1929
1930         } catch (e) {
1931                 exception_error("emailArticleDo", e);
1932         }
1933 }
1934
1935 function dismissArticle(id) {
1936         try {
1937                 var elem = $("RROW-" + id);
1938
1939                 toggleUnread(id, 0, true);
1940
1941                 new Effect.Fade(elem, {duration : 0.5});
1942
1943                 active_post_id = false;
1944
1945         } catch (e) {
1946                 exception_error("dismissArticle", e);
1947         }
1948 }
1949
1950 function dismissSelectedArticles() {
1951         try {
1952
1953                 var ids = getVisibleArticleIds();
1954                 var tmp = [];
1955                 var sel = [];
1956
1957                 for (var i = 0; i < ids.length; i++) {
1958                         var elem = $("RROW-" + ids[i]);
1959
1960                         if (elem.className && elem.hasClassName("Selected") &&
1961                                         ids[i] != active_post_id) {
1962                                 new Effect.Fade(elem, {duration : 0.5});
1963                                 sel.push(ids[i]);
1964                         } else {
1965                                 tmp.push(ids[i]);
1966                         }
1967                 }
1968
1969                 if (sel.length > 0)
1970                         selectionToggleUnread(false);
1971
1972                 fixHeadlinesOrder(tmp);
1973
1974         } catch (e) {
1975                 exception_error("dismissSelectedArticles", e);
1976         }
1977 }
1978
1979 function dismissReadArticles() {
1980         try {
1981
1982                 var ids = getVisibleArticleIds();
1983                 var tmp = [];
1984
1985                 for (var i = 0; i < ids.length; i++) {
1986                         var elem = $("RROW-" + ids[i]);
1987
1988                         if (elem.className && !elem.hasClassName("Unread") &&
1989                                         !elem.hasClassName("Selected")) {
1990
1991                                 new Effect.Fade(elem, {duration : 0.5});
1992                         } else {
1993                                 tmp.push(ids[i]);
1994                         }
1995                 }
1996
1997                 fixHeadlinesOrder(tmp);
1998
1999         } catch (e) {
2000                 exception_error("dismissSelectedArticles", e);
2001         }
2002 }
2003
2004 function getVisibleArticleIds() {
2005         var ids = [];
2006
2007         try {
2008
2009                 getLoadedArticleIds().each(function(id) {
2010                         var elem = $("RROW-" + id);
2011                         if (elem && Element.visible(elem))
2012                                 ids.push(id);
2013                         });
2014
2015         } catch (e) {
2016                 exception_error("getVisibleArticleIds", e);
2017         }
2018
2019         return ids;
2020 }
2021
2022 function cdmClicked(event, id) {
2023         try {
2024                 var shift_key = event.shiftKey;
2025
2026                 hideAuxDlg();
2027
2028                 if (!event.ctrlKey) {
2029
2030                         if (!getInitParam("cdm_expanded")) {
2031                                 return cdmExpandArticle(id);
2032                         } else {
2033
2034                                 selectArticles("none");
2035                                 toggleSelected(id);
2036
2037                                 var elem = $("RROW-" + id);
2038
2039                                 if (elem)
2040                                         elem.removeClassName("Unread");
2041
2042                                 var upd_img_pic = $("FUPDPIC-" + id);
2043
2044                                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
2045                                                 upd_img_pic.src.match("fresh_sign.png"))) {
2046
2047                                         upd_img_pic.src = "images/blank_icon.gif";
2048                                 }
2049
2050                                 active_post_id = id;
2051
2052                                 var query = "?op=rpc&subop=catchupSelected" +
2053                                         "&cmode=0&ids=" + param_escape(id);
2054
2055                                 new Ajax.Request("backend.php", {
2056                                         parameters: query,
2057                                         onComplete: function(transport) {
2058                                                 handle_rpc_reply(transport);
2059                                         } });
2060                         }
2061
2062                 } else {
2063                         toggleSelected(id, true);
2064                         toggleUnread(id, 0, false);
2065                         zoomToArticle(event, id);
2066                 }
2067
2068         } catch (e) {
2069                 exception_error("cdmClicked");
2070         }
2071
2072         return false;
2073 }
2074
2075 function hlClicked(event, id) {
2076         try {
2077
2078                 if (!event.ctrlKey) {
2079                         view(id);
2080                         return true;
2081                 } else {
2082                         selectArticles('none');
2083                         toggleSelected(id);
2084                         toggleUnread(id, 0, false);
2085                         zoomToArticle(event, id);
2086                         return false;
2087                 }
2088
2089         } catch (e) {
2090                 exception_error("hlClicked");
2091         }
2092
2093         return false;
2094 }
2095
2096 function getFirstVisibleHeadlineId() {
2097         var rows = getVisibleArticleIds();
2098         return rows[0];
2099
2100 }
2101
2102 function getLastVisibleHeadlineId() {
2103         var rows = getVisibleArticleIds();
2104         return rows[rows.length-1];
2105 }
2106
2107 function openArticleInNewWindow(id) {
2108         try {
2109                 console.log("openArticleInNewWindow: " + id);
2110
2111                 var query = "?op=rpc&subop=getArticleLink&id=" + id;
2112                 var wname = "ttrss_article_" + id;
2113
2114                 console.log(query + " " + wname);
2115
2116                 var w = window.open("", wname);
2117
2118                 if (!w) notify_error("Failed to open window for the article");
2119
2120                 new Ajax.Request("backend.php", {
2121                         parameters: query,
2122                         onComplete: function(transport) {
2123
2124                                         var link = transport.responseXML.getElementsByTagName("link")[0];
2125                                         var id = transport.responseXML.getElementsByTagName("id")[0];
2126
2127                                         console.log("open_article received link: " + link);
2128
2129                                         if (link && id) {
2130
2131                                                 var wname = "ttrss_article_" + id.firstChild.nodeValue;
2132
2133                                                 console.log("link url: " + link.firstChild.nodeValue + ", wname " + wname);
2134
2135                                                 var w = window.open(link.firstChild.nodeValue, wname);
2136
2137                                                 if (!w) { notify_error("Failed to load article in new window"); }
2138
2139                                                 if (id) {
2140                                                         id = id.firstChild.nodeValue;
2141                                                         window.setTimeout("toggleUnread(" + id + ", 0)", 100);
2142                                                 }
2143                                         } else {
2144                                                 notify_error("Can't open article: received invalid article link");
2145                                         }
2146                                 } });
2147
2148         } catch (e) {
2149                 exception_error("openArticleInNewWindow", e);
2150         }
2151 }
2152
2153 function isCdmMode() {
2154         return getInitParam("combined_display_mode");
2155 }
2156
2157 function markHeadline(id) {
2158         var row = $("RROW-" + id);
2159         if (row) {
2160                 var check = $("RCHK-" + id);
2161
2162                 if (check) {
2163                         check.checked = true;
2164                 }
2165
2166                 row.addClassName("Selected");
2167         }
2168 }
2169
2170 function getRelativePostIds(id, limit) {
2171
2172         var tmp = [];
2173
2174         try {
2175
2176                 if (!limit) limit = 3;
2177
2178                 var ids = getVisibleArticleIds();
2179
2180                 for (var i = 0; i < ids.length; i++) {
2181                         if (ids[i] == id) {
2182                                 for (var k = 1; k <= limit; k++) {
2183                                         if (i > k-1) tmp.push(ids[i-k]);
2184                                         if (i < ids.length-k) tmp.push(ids[i+k]);
2185                                 }
2186                                 break;
2187                         }
2188                 }
2189
2190         } catch (e) {
2191                 exception_error("getRelativePostIds", e);
2192         }
2193
2194         return tmp;
2195 }
2196
2197 function correctHeadlinesOffset(id) {
2198
2199         try {
2200
2201                 var container = $("headlines-frame");
2202                 var row = $("RROW-" + id);
2203
2204                 var viewport = container.offsetHeight;
2205
2206                 var rel_offset_top = row.offsetTop - container.scrollTop;
2207                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
2208
2209                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
2210                 //console.log("Vport: " + viewport);
2211
2212                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
2213                         container.scrollTop = row.offsetTop;
2214                 } else if (rel_offset_bottom > viewport) {
2215
2216                         /* doesn't properly work with Opera in some cases because
2217                                 Opera fucks up element scrolling */
2218
2219                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
2220                 }
2221
2222         } catch (e) {
2223                 exception_error("correctHeadlinesOffset", e);
2224         }
2225
2226 }
2227
2228 function headlineActionsChange(elem) {
2229         try {
2230                 var op = elem[elem.selectedIndex].value;
2231
2232                 eval(op);
2233
2234                 elem.selectedIndex = 0;
2235
2236         } catch (e) {
2237                 exception_error("headlineActionsChange", e);
2238         }
2239 }
2240
2241 function closeArticlePanel() {
2242
2243         var tabs = dijit.byId("content-tabs");
2244         var child = tabs.selectedChildWidget;
2245
2246         if (child && tabs.getIndexOfChild(child) > 0) {
2247                 tabs.removeChild(child);
2248                 child.destroy();
2249         } else {
2250                 if (dijit.byId("content-insert"))
2251                         dijit.byId("headlines-wrap-inner").removeChild(
2252                                 dijit.byId("content-insert"));
2253         }
2254
2255
2256 /*      if (id)
2257                 if (dijit.byId("ATAB-" + id))
2258                         return dijit.byId("content-tabs").removeChild(dijit.byId("ATAB-" + id));
2259
2260         if (dijit.byId("content-insert"))
2261                 dijit.byId("headlines-wrap-inner").removeChild(
2262                         dijit.byId("content-insert")); */
2263 }