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