viewfeed.js

   1 var active_post_id = false;
   2 var last_article_view = false;
   3 var active_real_feed_id = false;
   4
   5 var article_cache = new Array();
   6
   7 var vgroup_last_feed = false;
   8 var post_under_pointer = false;
   9
  10 var last_requested_article = false;
  11
  12 var preload_id_batch = [];
  13 var preload_timeout_id = false;
  14
  15 var cache_added = [];
  16
  17 var catchup_id_batch = [];
  18 var catchup_timeout_id = false;
  19
  20 function headlines_callback2(transport, feed_cur_page) {
  21         try {
  22                 handle_rpc_json(transport);
  23
  24                 loading_set_progress(25);
  25
  26                 console.log("headlines_callback2 [page=" + feed_cur_page + "]");
  27
  28                 var is_cat = false;
  29                 var feed_id = false;
  30
  31                 var reply;
  32
  33                 try {
  34                         reply = JSON.parse(transport.responseText);
  35                 } catch (e) {
  36                         console.error(e);
  37                 }
  38
  39                 if (reply) {
  40
  41                         is_cat = reply['headlines']['is_cat'];
  42                         feed_id = reply['headlines']['id'];
  43
  44                         setActiveFeedId(feed_id, is_cat);
  45
  46                         var update_btn = document.forms["main_toolbar_form"].update;
  47
  48                         update_btn.disabled = !(feed_id >= 0 && !is_cat);
  49
  50                         try {
  51                                 if (feed_cur_page == 0) {
  52                                         $("headlines-frame").scrollTop = 0;
  53                                 }
  54                         } catch (e) { };
  55
  56                         var headlines_count = reply['headlines-info']['count'];
  57                         var headlines_unread = reply['headlines-info']['unread'];
  58
  59                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  60
  61                         if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
  62                                 _infscroll_disable = 1;
  63                         } else {
  64                                 _infscroll_disable = 0;
  65                         }
  66
  67                         var counters = reply['counters'];
  68                         var articles = reply['articles'];
  69                         var runtime_info = reply['runtime-info'];
  70
  71                         if (feed_cur_page == 0) {
  72                                 dijit.byId("headlines-frame").attr('content',
  73                                         reply['headlines']['content']);
  74
  75                                 dijit.byId("headlines-toolbar").attr('content',
  76                                         reply['headlines']['toolbar']);
  77
  78                                 var hsp = $("headlines-spacer");
  79                                 if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
  80
  81                                 if (!_infscroll_disable)
  82                                         hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
  83                                                 __("Loading, please wait...");
  84
  85                                 dijit.byId('headlines-frame').domNode.appendChild(hsp);
  86
  87                                 initHeadlinesMenu();
  88
  89                         } else {
  90                                 if (headlines_count > 0) {
  91                                         console.log("adding some more headlines...");
  92
  93                                         var c = dijit.byId("headlines-frame");
  94                                         var ids = getSelectedArticleIds2();
  95
  96                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
  97
  98                                         var hsp = $("headlines-spacer");
  99
 100                                         if (hsp)
 101                                                 c.domNode.removeChild(hsp);
 102
 103                                         $$("#headlines-tmp > div").each(function(row) {
 104                                                 c.domNode.appendChild(row);
 105                                         });
 106
 107                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 108
 109                                         if (!_infscroll_disable)
 110                                                 hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
 111                                                         __("Loading, please wait...");
 112
 113                                         c.domNode.appendChild(hsp);
 114
 115                                         console.log("restore selected ids: " + ids);
 116
 117                                         for (var i = 0; i < ids.length; i++) {
 118                                                 markHeadline(ids[i]);
 119                                         }
 120
 121                                         initHeadlinesMenu();
 122
 123                                 } else {
 124                                         console.log("no new headlines received");
 125
 126                                         var hsp = $("headlines-spacer");
 127
 128                                         if (hsp) hsp.innerHTML = "";
 129                                 }
 130                         }
 131
 132                         if (articles) {
 133                                 for (var i = 0; i < articles.length; i++) {
 134                                         var a_id = articles[i]['id'];
 135                                         cache_inject(a_id, articles[i]['content']);
 136                                 }
 137                         } else {
 138                                 console.log("no cached articles received");
 139                         }
 140
 141                         if (counters)
 142                                 parse_counters(counters);
 143                         else
 144                                 request_counters();
 145
 146                 } else {
 147                         console.warn("headlines_callback: returned no XML object");
 148                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 149                                         __('Could not update headlines (invalid object received)') + "</div>");
 150                 }
 151
 152                 _feed_cur_page = feed_cur_page;
 153                 _infscroll_request_sent = 0;
 154
 155                 notify("");
 156
 157         } catch (e) {
 158                 exception_error("headlines_callback2", e, transport);
 159         }
 160 }
 161
 162 function render_article(article) {
 163         try {
 164                 dijit.byId("headlines-wrap-inner").addChild(
 165                                 dijit.byId("content-insert"));
 166
 167                 var c = dijit.byId("content-insert");
 168
 169                 try {
 170                         c.domNode.scrollTop = 0;
 171                 } catch (e) { };
 172
 173                 c.attr('content', article);
 174
 175                 correctHeadlinesOffset(getActiveArticleId());
 176
 177                 try {
 178                         c.focus();
 179                 } catch (e) { };
 180
 181         } catch (e) {
 182                 exception_error("render_article", e);
 183         }
 184 }
 185
 186 function showArticleInHeadlines(id) {
 187
 188         try {
 189
 190                 selectArticles("none");
 191
 192                 var crow = $("RROW-" + id);
 193
 194                 if (!crow) return;
 195
 196                 var article_is_unread = crow.hasClassName("Unread");
 197
 198                 crow.removeClassName("Unread");
 199
 200                 selectArticles('none');
 201
 202                 var upd_img_pic = $("FUPDPIC-" + id);
 203
 204                 var cache_prefix = "";
 205
 206                 if (activeFeedIsCat()) {
 207                         cache_prefix = "C:";
 208                 } else {
 209                         cache_prefix = "F:";
 210                 }
 211
 212                 var view_mode = false;
 213
 214                 try {
 215                         view_mode = document.forms['main_toolbar_form'].view_mode;
 216                         view_mode = view_mode[view_mode.selectedIndex].value;
 217                 } catch (e) {
 218                         //
 219                 }
 220
 221                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 222                                         upd_img_pic.src.match("fresh_sign.png"))) {
 223
 224                         upd_img_pic.src = "images/blank_icon.gif";
 225
 226                         cache_invalidate(cache_prefix + getActiveFeedId());
 227
 228                         /* cache_inject(cache_prefix + getActiveFeedId(),
 229                                 $("headlines-frame").innerHTML,
 230                                 getFeedUnread(getActiveFeedId())); */
 231
 232                 } else if (article_is_unread && view_mode == "all_articles") {
 233
 234                         cache_invalidate(cache_prefix + getActiveFeedId());
 235
 236                         /* cache_inject(cache_prefix + getActiveFeedId(),
 237                                 $("headlines-frame").innerHTML,
 238                                 getFeedUnread(getActiveFeedId())-1); */
 239
 240                 } else if (article_is_unread) {
 241                         cache_invalidate(cache_prefix + getActiveFeedId());
 242                 }
 243
 244                 markHeadline(id);
 245
 246                 if (article_is_unread)
 247                         _force_scheduled_update = true;
 248
 249         } catch (e) {
 250                 exception_error("showArticleInHeadlines", e);
 251         }
 252 }
 253
 254 function article_callback2(transport, id) {
 255         try {
 256                 console.log("article_callback2 " + id);
 257
 258                 handle_rpc_json(transport);
 259
 260                 var reply = JSON.parse(transport.responseText);
 261
 262                 if (reply) {
 263                         var upic = $('FUPDPIC-' + id);
 264
 265                         if (upic) upic.src = 'images/blank_icon.gif';
 266
 267                         if (id != last_requested_article) {
 268                                 console.log("requested article id is out of sequence, aborting");
 269                                 return;
 270                         }
 271
 272                         reply.each(function(article) {
 273                                 if (active_post_id == article['id']) {
 274                                         render_article(article['content']);
 275                                 }
 276                                 cache_inject(article['id'], article['content']);
 277                         });
 278
 279                 } else {
 280                         console.warn("article_callback: returned invalid data");
 281
 282                         render_article("<div class='whiteBox'>" +
 283                                         __('Could not display article (invalid data received)') + "</div>");
 284                 }
 285
 286                 var date = new Date();
 287                 last_article_view = date.getTime() / 1000;
 288
 289                 request_counters();
 290
 291                 notify("");
 292         } catch (e) {
 293                 exception_error("article_callback2", e, transport);
 294         }
 295 }
 296
 297 function view(id) {
 298         try {
 299                 console.log("loading article: " + id);
 300
 301                 var cached_article = cache_find(id);
 302
 303                 console.log("cache check result: " + (cached_article != false));
 304
 305                 hideAuxDlg();
 306
 307                 var query = "?op=view&id=" + param_escape(id);
 308
 309                 var neighbor_ids = getRelativePostIds(active_post_id);
 310
 311                 /* only request uncached articles */
 312
 313                 var cids_to_request = Array();
 314
 315                 for (var i = 0; i < neighbor_ids.length; i++) {
 316                         if (!cache_check(neighbor_ids[i])) {
 317                                 cids_to_request.push(neighbor_ids[i]);
 318                         }
 319                 }
 320
 321                 console.log("additional ids: " + cids_to_request.toString());
 322
 323                 query = query + "&cids=" + cids_to_request.toString();
 324
 325                 var crow = $("RROW-" + id);
 326                 var article_is_unread = crow.hasClassName("Unread");
 327
 328                 active_post_id = id;
 329                 showArticleInHeadlines(id);
 330
 331                 if (!cached_article) {
 332
 333                         var upic = $('FUPDPIC-' + id);
 334
 335                         if (upic) {
 336                                 upic.src = getInitParam("sign_progress");
 337                         }
 338
 339                 } else if (cached_article && article_is_unread) {
 340
 341                         query = query + "&mode=prefetch";
 342
 343                         render_article(cached_article);
 344
 345                 } else if (cached_article) {
 346
 347                         query = query + "&mode=prefetch_old";
 348                         render_article(cached_article);
 349
 350                 }
 351
 352                 cache_expire();
 353
 354                 last_requested_article = id;
 355
 356                 console.log(query);
 357
 358                 new Ajax.Request("backend.php", {
 359                         parameters: query,
 360                         onComplete: function(transport) {
 361                                 article_callback2(transport, id);
 362                         } });
 363
 364                 return false;
 365
 366         } catch (e) {
 367                 exception_error("view", e);
 368         }
 369 }
 370
 371 function tMark(id) {
 372         return toggleMark(id);
 373 }
 374
 375 function tPub(id) {
 376         return togglePub(id);
 377 }
 378
 379 function toggleMark(id, client_only) {
 380         try {
 381                 var query = "?op=rpc&id=" + id + "&subop=mark";
 382
 383                 var img = $("FMPIC-" + id);
 384
 385                 if (!img) return;
 386
 387                 if (img.src.match("mark_unset")) {
 388                         img.src = img.src.replace("mark_unset", "mark_set");
 389                         img.alt = __("Unstar article");
 390                         query = query + "&mark=1";
 391
 392                 } else {
 393                         img.src = img.src.replace("mark_set", "mark_unset");
 394                         img.alt = __("Star article");
 395                         query = query + "&mark=0";
 396                 }
 397
 398                 if (!client_only) {
 399                         new Ajax.Request("backend.php", {
 400                                 parameters: query,
 401                                 onComplete: function(transport) {
 402                                         handle_rpc_json(transport);
 403                                 } });
 404                 }
 405
 406         } catch (e) {
 407                 exception_error("toggleMark", e);
 408         }
 409 }
 410
 411 function togglePub(id, client_only, no_effects, note) {
 412         try {
 413                 var query = "?op=rpc&id=" + id + "&subop=publ";
 414
 415                 if (note != undefined) {
 416                         query = query + "&note=" + param_escape(note);
 417                 } else {
 418                         query = query + "&note=undefined";
 419                 }
 420
 421                 var img = $("FPPIC-" + id);
 422
 423                 if (!img) return;
 424
 425                 if (img.src.match("pub_unset") || note != undefined) {
 426                         img.src = img.src.replace("pub_unset", "pub_set");
 427                         img.alt = __("Unpublish article");
 428                         query = query + "&pub=1";
 429
 430                 } else {
 431                         img.src = img.src.replace("pub_set", "pub_unset");
 432                         img.alt = __("Publish article");
 433
 434                         query = query + "&pub=0";
 435                 }
 436
 437                 if (!client_only) {
 438                         new Ajax.Request("backend.php", {
 439                                 parameters: query,
 440                                 onComplete: function(transport) {
 441                                         handle_rpc_json(transport);
 442                                 } });
 443                 }
 444
 445         } catch (e) {
 446                 exception_error("togglePub", e);
 447         }
 448 }
 449
 450 function moveToPost(mode) {
 451
 452         try {
 453
 454                 var rows = getVisibleArticleIds();
 455
 456                 var prev_id = false;
 457                 var next_id = false;
 458
 459                 if (!$('RROW-' + active_post_id)) {
 460                         active_post_id = false;
 461                 }
 462
 463                 if (active_post_id == false) {
 464                         next_id = getFirstVisibleHeadlineId();
 465                         prev_id = getLastVisibleHeadlineId();
 466                 } else {
 467                         for (var i = 0; i < rows.length; i++) {
 468                                 if (rows[i] == active_post_id) {
 469                                         prev_id = rows[i-1];
 470                                         next_id = rows[i+1];
 471                                 }
 472                         }
 473                 }
 474
 475                 if (mode == "next") {
 476                         if (next_id) {
 477                                 if (isCdmMode()) {
 478
 479                                         cdmExpandArticle(next_id);
 480                                         cdmScrollToArticleId(next_id);
 481
 482                                 } else {
 483                                         correctHeadlinesOffset(next_id);
 484                                         view(next_id, getActiveFeedId());
 485                                 }
 486                         }
 487                 }
 488
 489                 if (mode == "prev") {
 490                         if (prev_id) {
 491                                 if (isCdmMode()) {
 492                                         cdmExpandArticle(prev_id);
 493                                         cdmScrollToArticleId(prev_id);
 494                                 } else {
 495                                         correctHeadlinesOffset(prev_id);
 496                                         view(prev_id, getActiveFeedId());
 497                                 }
 498                         }
 499                 }
 500
 501         } catch (e) {
 502                 exception_error("moveToPost", e);
 503         }
 504 }
 505
 506 function toggleSelected(id, force_on) {
 507         try {
 508
 509                 var cb = $("RCHK-" + id);
 510                 var row = $("RROW-" + id);
 511
 512                 if (row) {
 513                         if (row.hasClassName('Selected') && !force_on) {
 514                                 row.removeClassName('Selected');
 515                                 if (cb) cb.checked = false;
 516                         } else {
 517                                 row.addClassName('Selected');
 518                                 if (cb) cb.checked = true;
 519                         }
 520                 }
 521         } catch (e) {
 522                 exception_error("toggleSelected", e);
 523         }
 524 }
 525
 526 function toggleUnread_afh(effect) {
 527         try {
 528
 529                 var elem = effect.element;
 530                 elem.style.backgroundColor = "";
 531
 532         } catch (e) {
 533                 exception_error("toggleUnread_afh", e);
 534         }
 535 }
 536
 537 function toggleUnread(id, cmode, effect) {
 538         try {
 539
 540                 var row = $("RROW-" + id);
 541                 if (row) {
 542                         if (cmode == undefined || cmode == 2) {
 543                                 if (row.hasClassName("Unread")) {
 544                                         row.removeClassName("Unread");
 545
 546                                         if (effect) {
 547                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 548                                                         afterFinish: toggleUnread_afh,
 549                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 550                                         }
 551
 552                                 } else {
 553                                         row.addClassName("Unread");
 554                                 }
 555
 556                         } else if (cmode == 0) {
 557
 558                                 row.removeClassName("Unread");
 559
 560                                 if (effect) {
 561                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 562                                                 afterFinish: toggleUnread_afh,
 563                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 564                                 }
 565
 566                         } else if (cmode == 1) {
 567                                 row.addClassName("Unread");
 568                         }
 569
 570                         if (cmode == undefined) cmode = 2;
 571
 572                         var query = "?op=rpc&subop=catchupSelected" +
 573                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 574
 575 //                      notify_progress("Loading, please wait...");
 576
 577                         new Ajax.Request("backend.php", {
 578                                 parameters: query,
 579                                 onComplete: function(transport) {
 580                                         handle_rpc_json(transport);
 581                                 } });
 582
 583                 }
 584
 585         } catch (e) {
 586                 exception_error("toggleUnread", e);
 587         }
 588 }
 589
 590 function selectionRemoveLabel(id, ids) {
 591         try {
 592
 593                 if (!ids) var ids = getSelectedArticleIds2();
 594
 595                 if (ids.length == 0) {
 596                         alert(__("No articles are selected."));
 597                         return;
 598                 }
 599
 600 //              var ok = confirm(__("Remove selected articles from label?"));
 601
 602 //              if (ok) {
 603
 604                         var query = "?op=rpc&subop=removeFromLabel&ids=" +
 605                                 param_escape(ids.toString()) + "&lid=" + param_escape(id);
 606
 607                         console.log(query);
 608
 609 //                      notify_progress("Loading, please wait...");
 610
 611                         cache_invalidate("F:" + (-11 - id));
 612
 613                         new Ajax.Request("backend.php", {
 614                                 parameters: query,
 615                                 onComplete: function(transport) {
 616                                         handle_rpc_json(transport);
 617                                         show_labels_in_headlines(transport);
 618                                 } });
 619
 620 //              }
 621
 622         } catch (e) {
 623                 exception_error("selectionAssignLabel", e);
 624
 625         }
 626 }
 627
 628 function selectionAssignLabel(id, ids) {
 629         try {
 630
 631                 if (!ids) ids = getSelectedArticleIds2();
 632
 633                 if (ids.length == 0) {
 634                         alert(__("No articles are selected."));
 635                         return;
 636                 }
 637
 638 //              var ok = confirm(__("Assign selected articles to label?"));
 639
 640 //              if (ok) {
 641
 642                         cache_invalidate("F:" + (-11 - id));
 643
 644                         var query = "?op=rpc&subop=assignToLabel&ids=" +
 645                                 param_escape(ids.toString()) + "&lid=" + param_escape(id);
 646
 647                         console.log(query);
 648
 649 //                      notify_progress("Loading, please wait...");
 650
 651                         new Ajax.Request("backend.php", {
 652                                 parameters: query,
 653                                 onComplete: function(transport) {
 654                                         handle_rpc_json(transport);
 655                                         show_labels_in_headlines(transport);
 656                                 } });
 657
 658 //              }
 659
 660         } catch (e) {
 661                 exception_error("selectionAssignLabel", e);
 662
 663         }
 664 }
 665
 666 function selectionToggleUnread(set_state, callback, no_error) {
 667         try {
 668                 var rows = getSelectedArticleIds2();
 669
 670                 if (rows.length == 0 && !no_error) {
 671                         alert(__("No articles are selected."));
 672                         return;
 673                 }
 674
 675                 for (i = 0; i < rows.length; i++) {
 676                         var row = $("RROW-" + rows[i]);
 677                         if (row) {
 678                                 if (set_state == undefined) {
 679                                         if (row.hasClassName("Unread")) {
 680                                                 row.removeClassName("Unread");
 681                                         } else {
 682                                                 row.addClassName("Unread");
 683                                         }
 684                                 }
 685
 686                                 if (set_state == false) {
 687                                         row.removeClassName("Unread");
 688                                 }
 689
 690                                 if (set_state == true) {
 691                                         row.addClassName("Unread");
 692                                 }
 693                         }
 694                 }
 695
 696                 if (rows.length > 0) {
 697
 698                         var cmode = "";
 699
 700                         if (set_state == undefined) {
 701                                 cmode = "2";
 702                         } else if (set_state == true) {
 703                                 cmode = "1";
 704                         } else if (set_state == false) {
 705                                 cmode = "0";
 706                         }
 707
 708                         var query = "?op=rpc&subop=catchupSelected" +
 709                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 710
 711                         notify_progress("Loading, please wait...");
 712
 713                         new Ajax.Request("backend.php", {
 714                                 parameters: query,
 715                                 onComplete: function(transport) {
 716                                         handle_rpc_json(transport);
 717                                         if (callback) callback(transport);
 718                                 } });
 719
 720                 }
 721
 722         } catch (e) {
 723                 exception_error("selectionToggleUnread", e);
 724         }
 725 }
 726
 727 function selectionToggleMarked() {
 728         try {
 729
 730                 var rows = getSelectedArticleIds2();
 731
 732                 if (rows.length == 0) {
 733                         alert(__("No articles are selected."));
 734                         return;
 735                 }
 736
 737                 for (i = 0; i < rows.length; i++) {
 738                         toggleMark(rows[i], true, true);
 739                 }
 740
 741                 if (rows.length > 0) {
 742
 743                         var query = "?op=rpc&subop=markSelected&ids=" +
 744                                 param_escape(rows.toString()) + "&cmode=2";
 745
 746                         new Ajax.Request("backend.php", {
 747                                 parameters: query,
 748                                 onComplete: function(transport) {
 749                                         handle_rpc_json(transport);
 750                                 } });
 751
 752                 }
 753
 754         } catch (e) {
 755                 exception_error("selectionToggleMarked", e);
 756         }
 757 }
 758
 759 function selectionTogglePublished() {
 760         try {
 761
 762                 var rows = getSelectedArticleIds2();
 763
 764                 if (rows.length == 0) {
 765                         alert(__("No articles are selected."));
 766                         return;
 767                 }
 768
 769                 for (i = 0; i < rows.length; i++) {
 770                         togglePub(rows[i], true, true);
 771                 }
 772
 773                 if (rows.length > 0) {
 774
 775                         var query = "?op=rpc&subop=publishSelected&ids=" +
 776                                 param_escape(rows.toString()) + "&cmode=2";
 777
 778                         new Ajax.Request("backend.php", {
 779                                 parameters: query,
 780                                 onComplete: function(transport) {
 781                                         handle_rpc_json(transport);
 782                                 } });
 783
 784                 }
 785
 786         } catch (e) {
 787                 exception_error("selectionToggleMarked", e);
 788         }
 789 }
 790
 791 function getSelectedArticleIds2() {
 792
 793         var rv = [];
 794
 795         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 796                 function(child) {
 797                         rv.push(child.id.replace("RROW-", ""));
 798                 });
 799
 800         return rv;
 801 }
 802
 803 function getLoadedArticleIds() {
 804         var rv = [];
 805
 806         var children = $$("#headlines-frame > div[id*=RROW-]");
 807
 808         children.each(function(child) {
 809                         rv.push(child.id.replace("RROW-", ""));
 810                 });
 811
 812         return rv;
 813
 814 }
 815
 816 // mode = all,none,unread,invert
 817 function selectArticles(mode) {
 818         try {
 819
 820                 var children = $$("#headlines-frame > div[id*=RROW]");
 821
 822                 children.each(function(child) {
 823                         var id = child.id.replace("RROW-", "");
 824                         var cb = $("RCHK-" + id);
 825
 826                         if (mode == "all") {
 827                                 child.addClassName("Selected");
 828                                 cb.checked = true;
 829                         } else if (mode == "unread") {
 830                                 if (child.hasClassName("Unread")) {
 831                                         child.addClassName("Selected");
 832                                         cb.checked = true;
 833                                 } else {
 834                                         child.removeClassName("Selected");
 835                                         cb.checked = false;
 836                                 }
 837                         } else if (mode == "invert") {
 838                                 if (child.hasClassName("Selected")) {
 839                                         child.removeClassName("Selected");
 840                                         cb.checked = false;
 841                                 } else {
 842                                         child.addClassName("Selected");
 843                                         cb.checked = true;
 844                                 }
 845
 846                         } else {
 847                                 child.removeClassName("Selected");
 848                                 cb.checked = false;
 849                         }
 850                 });
 851
 852         } catch (e) {
 853                 exception_error("selectArticles", e);
 854         }
 855 }
 856
 857 function catchupPage() {
 858
 859         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 860
 861         var str = __("Mark all visible articles in %s as read?");
 862
 863         str = str.replace("%s", fn);
 864
 865         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 866                 return;
 867         }
 868
 869         selectArticles('all');
 870         selectionToggleUnread(false, 'viewCurrentFeed()', true)
 871         selectArticles('none');
 872 }
 873
 874 function deleteSelection() {
 875
 876         try {
 877
 878                 var rows = getSelectedArticleIds2();
 879
 880                 if (rows.length == 0) {
 881                         alert(__("No articles are selected."));
 882                         return;
 883                 }
 884
 885                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 886                 var str;
 887                 var op;
 888
 889                 if (getActiveFeedId() != 0) {
 890                         str = __("Delete %d selected articles in %s?");
 891                 } else {
 892                         str = __("Delete %d selected articles?");
 893                 }
 894
 895                 str = str.replace("%d", rows.length);
 896                 str = str.replace("%s", fn);
 897
 898                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 899                         return;
 900                 }
 901
 902                 query = "?op=rpc&subop=delete&ids=" + param_escape(rows);
 903
 904                 console.log(query);
 905
 906                 new Ajax.Request("backend.php", {
 907                         parameters: query,
 908                         onComplete: function(transport) {
 909                                         handle_rpc_json(transport);
 910                                         viewCurrentFeed();
 911                                 } });
 912
 913         } catch (e) {
 914                 exception_error("deleteSelection", e);
 915         }
 916 }
 917
 918 function archiveSelection() {
 919
 920         try {
 921
 922                 var rows = getSelectedArticleIds2();
 923
 924                 if (rows.length == 0) {
 925                         alert(__("No articles are selected."));
 926                         return;
 927                 }
 928
 929                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 930                 var str;
 931                 var op;
 932
 933                 if (getActiveFeedId() != 0) {
 934                         str = __("Archive %d selected articles in %s?");
 935                         op = "archive";
 936                 } else {
 937                         str = __("Move %d archived articles back?");
 938                         op = "unarchive";
 939                 }
 940
 941                 str = str.replace("%d", rows.length);
 942                 str = str.replace("%s", fn);
 943
 944                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 945                         return;
 946                 }
 947
 948                 query = "?op=rpc&subop="+op+"&ids=" + param_escape(rows);
 949
 950                 console.log(query);
 951
 952                 for (var i = 0; i < rows.length; i++) {
 953                         cache_invalidate(rows[i]);
 954                 }
 955
 956                 new Ajax.Request("backend.php", {
 957                         parameters: query,
 958                         onComplete: function(transport) {
 959                                         handle_rpc_json(transport);
 960                                         viewCurrentFeed();
 961                                 } });
 962
 963         } catch (e) {
 964                 exception_error("archiveSelection", e);
 965         }
 966 }
 967
 968 function catchupSelection() {
 969
 970         try {
 971
 972                 var rows = getSelectedArticleIds2();
 973
 974                 if (rows.length == 0) {
 975                         alert(__("No articles are selected."));
 976                         return;
 977                 }
 978
 979                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 980
 981                 var str = __("Mark %d selected articles in %s as read?");
 982
 983                 str = str.replace("%d", rows.length);
 984                 str = str.replace("%s", fn);
 985
 986                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 987                         return;
 988                 }
 989
 990                 selectionToggleUnread(false, 'viewCurrentFeed()', true)
 991
 992         } catch (e) {
 993                 exception_error("catchupSelection", e);
 994         }
 995 }
 996
 997 function editArticleTags(id) {
 998                 var query = "backend.php?op=dlg&id=editArticleTags&param=" + param_escape(id);
 999
1000                 if (dijit.byId("editTagsDlg"))
1001                         dijit.byId("editTagsDlg").destroyRecursive();
1002
1003                 dialog = new dijit.Dialog({
1004                         id: "editTagsDlg",
1005                         title: __("Edit article Tags"),
1006                         style: "width: 600px",
1007                         execute: function() {
1008                                 if (this.validate()) {
1009                                         var query = dojo.objectToQuery(this.attr('value'));
1010
1011                                         notify_progress("Saving article tags...", true);
1012
1013                                         new Ajax.Request("backend.php", {
1014                                         parameters: query,
1015                                         onComplete: function(transport) {
1016                                                 notify('');
1017                                                 dialog.hide();
1018
1019                                                 var data = JSON.parse(transport.responseText);
1020
1021                                                 if (data) {
1022                                                         var tags_str = data.tags_str;
1023                                                         var id = tags_str.id;
1024
1025                                                         var tags = $("ATSTR-" + id);
1026                                                         var tooltip = dijit.byId("ATSTRTIP-" + id);
1027
1028                                                         if (tags) tags.innerHTML = tags_str.content;
1029                                                         if (tooltip) tooltip.attr('label', tags_str.content_full);
1030
1031                                                         cache_invalidate(id);
1032                                                 }
1033
1034                                         }});
1035                                 }
1036                         },
1037                         href: query,
1038                 });
1039
1040                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1041                 dojo.disconnect(tmph);
1042
1043                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1044                            "backend.php?op=rpc&subop=completeTags",
1045                            { tokens: ',', paramName: "search" });
1046                 });
1047
1048                 dialog.show();
1049
1050 }
1051
1052 function cdmScrollToArticleId(id) {
1053         try {
1054                 var ctr = $("headlines-frame");
1055                 var e = $("RROW-" + id);
1056
1057                 if (!e || !ctr) return;
1058
1059                 ctr.scrollTop = e.offsetTop;
1060
1061         } catch (e) {
1062                 exception_error("cdmScrollToArticleId", e);
1063         }
1064 }
1065
1066 function cache_inject(id, article, param) {
1067
1068         try {
1069                 if (!cache_check_param(id, param)) {
1070                         //console.log("cache_article: miss: " + id + " [p=" + param + "]");
1071
1072                    var date = new Date();
1073               var ts = Math.round(date.getTime() / 1000);
1074
1075                         var cache_obj = {};
1076
1077                         cache_obj["id"] = id;
1078                         cache_obj["data"] = article;
1079                         cache_obj["param"] = param;
1080
1081                         if (param) id = id + ":" + param;
1082
1083                         cache_added["TS:" + id] = ts;
1084
1085                         if (has_local_storage())
1086                                 sessionStorage.setItem(id, JSON.stringify(cache_obj));
1087                         else
1088                                 article_cache.push(cache_obj);
1089
1090                 } else {
1091                         //console.log("cache_article: hit: " + id + " [p=" + param + "]");
1092                 }
1093         } catch (e) {
1094                 exception_error("cache_inject", e);
1095         }
1096 }
1097
1098 function cache_find(id) {
1099
1100         if (has_local_storage()) {
1101                 var cache_obj = sessionStorage.getItem(id);
1102
1103                 if (cache_obj) {
1104                         cache_obj = JSON.parse(cache_obj);
1105
1106                         if (cache_obj)
1107                                 return cache_obj['data'];
1108                 }
1109
1110         } else {
1111                 for (var i = 0; i < article_cache.length; i++) {
1112                         if (article_cache[i]["id"] == id) {
1113                                 return article_cache[i]["data"];
1114                         }
1115                 }
1116         }
1117         return false;
1118 }
1119
1120 function cache_find_param(id, param) {
1121
1122         if (has_local_storage()) {
1123
1124                 if (param) id = id + ":" + param;
1125
1126                 var cache_obj = sessionStorage.getItem(id);
1127
1128                 if (cache_obj) {
1129                         cache_obj = JSON.parse(cache_obj);
1130
1131                         if (cache_obj)
1132                                 return cache_obj['data'];
1133                 }
1134
1135         } else {
1136                 for (var i = 0; i < article_cache.length; i++) {
1137                         if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1138                                 return article_cache[i]["data"];
1139                         }
1140                 }
1141         }
1142
1143         return false;
1144 }
1145
1146 function cache_check(id) {
1147         if (has_local_storage()) {
1148                 if (sessionStorage.getItem(id))
1149                         return true;
1150         } else {
1151                 for (var i = 0; i < article_cache.length; i++) {
1152                         if (article_cache[i]["id"] == id) {
1153                                 return true;
1154                         }
1155                 }
1156         }
1157         return false;
1158 }
1159
1160 function cache_check_param(id, param) {
1161         if (has_local_storage()) {
1162
1163                 if (param) id = id + ":" + param;
1164
1165                 if (sessionStorage.getItem(id))
1166                         return true;
1167
1168         } else {
1169                 for (var i = 0; i < article_cache.length; i++) {
1170                         if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1171                                 return true;
1172                         }
1173                 }
1174         }
1175         return false;
1176 }
1177
1178 function cache_expire() {
1179 if (has_local_storage()) {
1180
1181                 var date = new Date();
1182                 var timestamp = Math.round(date.getTime() / 1000);
1183
1184                 for (var i = 0; i < sessionStorage.length; i++) {
1185
1186                         var id = sessionStorage.key(i);
1187
1188                         if (timestamp - cache_added["TS:" + id] > 180) {
1189                                 sessionStorage.removeItem(id);
1190                         }
1191                 }
1192
1193         } else {
1194                 while (article_cache.length > 25) {
1195                         article_cache.shift();
1196                 }
1197         }
1198 }
1199
1200 function cache_flush() {
1201         if (has_local_storage()) {
1202                 sessionStorage.clear();
1203         } else {
1204                 article_cache = new Array();
1205         }
1206 }
1207
1208 function cache_invalidate(id) {
1209         try {
1210                 if (has_local_storage()) {
1211
1212                         var found = false;
1213
1214                         for (var i = 0; i < sessionStorage.length; i++) {
1215                                 var key = sessionStorage.key(i);
1216
1217 //                                      console.warn("cache_invalidate: " + key_id + " cmp " + id);
1218
1219                                 if (key == id || key.indexOf(id + ":") == 0) {
1220                                         sessionStorage.removeItem(key);
1221                                         found = true;
1222                                         break;
1223                                 }
1224                         }
1225
1226                         return found;
1227
1228                 } else {
1229                         var i = 0
1230
1231                         while (i < article_cache.length) {
1232                                 if (article_cache[i]["id"] == id) {
1233                                         //console.log("cache_invalidate: removed id " + id);
1234                                         article_cache.splice(i, 1);
1235                                         return true;
1236                                 }
1237                                 i++;
1238                         }
1239                 }
1240
1241                 //console.log("cache_invalidate: id not found: " + id);
1242                 return false;
1243         } catch (e) {
1244                 exception_error("cache_invalidate", e);
1245         }
1246 }
1247
1248 function getActiveArticleId() {
1249         return active_post_id;
1250 }
1251
1252 function preloadBatchedArticles() {
1253         try {
1254
1255                 var query = "?op=rpc&subop=getArticles&ids=" +
1256                         preload_id_batch.toString();
1257
1258                 new Ajax.Request("backend.php", {
1259                         parameters: query,
1260                         onComplete: function(transport) {
1261
1262                                 preload_id_batch = [];
1263
1264                                 var articles = JSON.parse(transport.responseText);
1265
1266                                 for (var i = 0; i < articles.length; i++) {
1267                                         var id = articles[i]['id'];
1268                                         if (!cache_check(id)) {
1269                                                 cache_inject(id, articles[i]['content']);
1270                                                 console.log("preloaded article: " + id);
1271                                         }
1272                                 }
1273                 } });
1274
1275         } catch (e) {
1276                 exception_error("preloadBatchedArticles", e);
1277         }
1278 }
1279
1280 function preloadArticleUnderPointer(id) {
1281         try {
1282                 if (getInitParam("bw_limit") == "1") return;
1283
1284                 if (post_under_pointer == id && !cache_check(id)) {
1285
1286                         console.log("trying to preload article " + id);
1287
1288                         var neighbor_ids = getRelativePostIds(id, 1);
1289
1290                         /* only request uncached articles */
1291
1292                         if (preload_id_batch.indexOf(id) == -1) {
1293                                 for (var i = 0; i < neighbor_ids.length; i++) {
1294                                         if (!cache_check(neighbor_ids[i])) {
1295                                                 preload_id_batch.push(neighbor_ids[i]);
1296                                         }
1297                                 }
1298                         }
1299
1300                         if (preload_id_batch.indexOf(id) == -1)
1301                                 preload_id_batch.push(id);
1302
1303                         //console.log("preload ids batch: " + preload_id_batch.toString());
1304
1305                         window.clearTimeout(preload_timeout_id);
1306                         preload_batch_timeout_id = window.setTimeout('preloadBatchedArticles()', 1000);
1307
1308                 }
1309         } catch (e) {
1310                 exception_error("preloadArticleUnderPointer", e);
1311         }
1312 }
1313
1314 function postMouseIn(id) {
1315         try {
1316                 if (post_under_pointer != id) {
1317                         post_under_pointer = id;
1318                         if (!isCdmMode()) {
1319                                 window.setTimeout("preloadArticleUnderPointer(" + id + ")", 250);
1320                         }
1321                 }
1322
1323         } catch (e) {
1324                 exception_error("postMouseIn", e);
1325         }
1326 }
1327
1328 function postMouseOut(id) {
1329         try {
1330                 post_under_pointer = false;
1331         } catch (e) {
1332                 exception_error("postMouseOut", e);
1333         }
1334 }
1335
1336 function headlines_scroll_handler(e) {
1337         try {
1338                 var hsp = $("headlines-spacer");
1339
1340                 if (!_infscroll_disable) {
1341                         if (hsp && (e.scrollTop + e.offsetHeight > hsp.offsetTop) ||
1342                                         e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
1343
1344                                 viewNextFeedPage();
1345                         }
1346                 } else {
1347                         if (hsp) hsp.innerHTML = "";
1348                 }
1349
1350                 if (getInitParam("cdm_auto_catchup") == 1) {
1351
1352                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1353                                 function(child) {
1354                                         if ($("headlines-frame").scrollTop >
1355                                                         (child.offsetTop + child.offsetHeight/2)) {
1356
1357                                                 var id = child.id.replace("RROW-", "");
1358
1359                                                 if (catchup_id_batch.indexOf(id) == -1)
1360                                                         catchup_id_batch.push(id);
1361                                         }
1362                                 });
1363
1364                         if (catchup_id_batch.length > 0) {
1365                                 window.clearTimeout(catchup_timeout_id);
1366                                 catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1367                                                 1000);
1368                         }
1369                 }
1370
1371         } catch (e) {
1372                 exception_error("headlines_scroll_handler", e);
1373         }
1374 }
1375
1376 function catchupBatchedArticles() {
1377         try {
1378                 if (catchup_id_batch.length > 0) {
1379
1380                         var query = "?op=rpc&subop=catchupSelected" +
1381                                 "&cmode=0&ids=" + param_escape(catchup_id_batch.toString());
1382
1383                         new Ajax.Request("backend.php", {
1384                                 parameters: query,
1385                                 onComplete: function(transport) {
1386                                         handle_rpc_json(transport);
1387
1388                                         catchup_id_batch.each(function(id) {
1389                                                 var elem = $("RROW-" + id);
1390                                                 if (elem) elem.removeClassName("Unread");
1391                                         });
1392
1393                                         catchup_id_batch = [];
1394                                 } });
1395                 }
1396
1397         } catch (e) {
1398                 exception_error("catchupBatchedArticles", e);
1399         }
1400 }
1401
1402 function catchupRelativeToArticle(below) {
1403
1404         try {
1405
1406
1407                 if (!getActiveArticleId()) {
1408                         alert(__("No article is selected."));
1409                         return;
1410                 }
1411
1412                 var visible_ids = getVisibleArticleIds();
1413
1414                 var ids_to_mark = new Array();
1415
1416                 if (!below) {
1417                         for (var i = 0; i < visible_ids.length; i++) {
1418                                 if (visible_ids[i] != getActiveArticleId()) {
1419                                         var e = $("RROW-" + visible_ids[i]);
1420
1421                                         if (e && e.hasClassName("Unread")) {
1422                                                 ids_to_mark.push(visible_ids[i]);
1423                                         }
1424                                 } else {
1425                                         break;
1426                                 }
1427                         }
1428                 } else {
1429                         for (var i = visible_ids.length-1; i >= 0; i--) {
1430                                 if (visible_ids[i] != getActiveArticleId()) {
1431                                         var e = $("RROW-" + visible_ids[i]);
1432
1433                                         if (e && e.hasClassName("Unread")) {
1434                                                 ids_to_mark.push(visible_ids[i]);
1435                                         }
1436                                 } else {
1437                                         break;
1438                                 }
1439                         }
1440                 }
1441
1442                 if (ids_to_mark.length == 0) {
1443                         alert(__("No articles found to mark"));
1444                 } else {
1445                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1446
1447                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1448
1449                                 for (var i = 0; i < ids_to_mark.length; i++) {
1450                                         var e = $("RROW-" + ids_to_mark[i]);
1451                                         e.removeClassName("Unread");
1452                                 }
1453
1454                                 var query = "?op=rpc&subop=catchupSelected" +
1455                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1456
1457                                 new Ajax.Request("backend.php", {
1458                                         parameters: query,
1459                                         onComplete: function(transport) {
1460                                                 handle_rpc_json(transport);
1461                                         } });
1462
1463                         }
1464                 }
1465
1466         } catch (e) {
1467                 exception_error("catchupRelativeToArticle", e);
1468         }
1469 }
1470
1471 function cdmExpandArticle(id) {
1472         try {
1473
1474                 hideAuxDlg();
1475
1476                 var elem = $("CICD-" + active_post_id);
1477
1478                 var upd_img_pic = $("FUPDPIC-" + id);
1479
1480                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1481                                 upd_img_pic.src.match("fresh_sign.png"))) {
1482
1483                         upd_img_pic.src = "images/blank_icon.gif";
1484                 }
1485
1486                 if (id == active_post_id && Element.visible(elem))
1487                         return true;
1488
1489                 selectArticles("none");
1490
1491                 var old_offset = $("RROW-" + id).offsetTop;
1492
1493                 if (active_post_id && elem && !getInitParam("cdm_expanded")) {
1494                         Element.hide(elem);
1495                         Element.show("CEXC-" + active_post_id);
1496                 }
1497
1498                 active_post_id = id;
1499
1500                 elem = $("CICD-" + id);
1501
1502                 if (!Element.visible(elem)) {
1503                         Element.show(elem);
1504                         Element.hide("CEXC-" + id);
1505
1506                         if ($("CWRAP-" + id).innerHTML == "") {
1507
1508                                 $("FUPDPIC-" + id).src = "images/indicator_tiny.gif";
1509
1510                                 $("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" +
1511                                         __("Loading, please wait...") + "</div>";
1512
1513                                 var query = "?op=rpc&subop=cdmGetArticle&id=" + param_escape(id);
1514
1515                                 //console.log(query);
1516
1517                                 new Ajax.Request("backend.php", {
1518                                         parameters: query,
1519                                         onComplete: function(transport) {
1520                                                 $("FUPDPIC-" + id).src = 'images/blank_icon.gif';
1521
1522                                                 handle_rpc_json(transport);
1523
1524                                                 var reply = JSON.parse(transport.responseText);
1525
1526                                                 if (reply) {
1527                                                         var article = reply['article']['content'];
1528                                                         var recv_id = reply['article']['id'];
1529
1530                                                         if (recv_id == id)
1531                                                                 $("CWRAP-" + id).innerHTML = article;
1532
1533                                                 } else {
1534                                                         $("CWRAP-" + id).innerHTML = __("Unable to load article.");
1535
1536                                                 }
1537                                 }});
1538
1539                         }
1540                 }
1541
1542                 var new_offset = $("RROW-" + id).offsetTop;
1543
1544                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1545
1546                 if ($("RROW-" + id).offsetTop != old_offset)
1547                         $("headlines-frame").scrollTop = new_offset;
1548
1549                 toggleUnread(id, 0, true);
1550                 toggleSelected(id);
1551
1552         } catch (e) {
1553                 exception_error("cdmExpandArticle", e);
1554         }
1555
1556         return false;
1557 }
1558
1559 function fixHeadlinesOrder(ids) {
1560         try {
1561                 for (var i = 0; i < ids.length; i++) {
1562                         var e = $("RROW-" + ids[i]);
1563
1564                         if (e) {
1565                                 if (i % 2 == 0) {
1566                                         e.removeClassName("even");
1567                                         e.addClassName("odd");
1568                                 } else {
1569                                         e.removeClassName("odd");
1570                                         e.addClassName("even");
1571                                 }
1572                         }
1573                 }
1574         } catch (e) {
1575                 exception_error("fixHeadlinesOrder", e);
1576         }
1577 }
1578
1579 function getArticleUnderPointer() {
1580         return post_under_pointer;
1581 }
1582
1583 function zoomToArticle(event, id) {
1584         try {
1585                 var cached_article = cache_find(id);
1586
1587                 if (dijit.byId("ATAB-" + id))
1588                         if (!event || !event.shiftKey)
1589                                 return dijit.byId("content-tabs").selectChild(dijit.byId("ATAB-" + id));
1590
1591                 if (dijit.byId("ATSTRTIP-" + id))
1592                         dijit.byId("ATSTRTIP-" + id).destroyRecursive();
1593
1594                 if (cached_article) {
1595                         //closeArticlePanel();
1596
1597                         var article_pane = new dijit.layout.ContentPane({
1598                                 title: __("Loading...") , content: cached_article,
1599                                 style: 'padding : 0px;',
1600                                 id: 'ATAB-' + id,
1601                                 closable: true });
1602
1603                         dijit.byId("content-tabs").addChild(article_pane);
1604
1605                         if (!event || !event.shiftKey)
1606                                 dijit.byId("content-tabs").selectChild(article_pane);
1607
1608                         if ($("PTITLE-" + id))
1609                                 article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1610
1611                 } else {
1612
1613                         var query = "?op=rpc&subop=getArticles&ids=" + param_escape(id);
1614
1615                         notify_progress("Loading, please wait...", true);
1616
1617                         new Ajax.Request("backend.php", {
1618                                 parameters: query,
1619                                 onComplete: function(transport) {
1620                                         notify('');
1621
1622                                         var reply = JSON.parse(transport.responseText);
1623
1624                                         if (reply) {
1625                                                 //closeArticlePanel();
1626
1627                                                 var content = reply[0]['content'];
1628
1629                                                 var article_pane = new dijit.layout.ContentPane({
1630                                                         title: "article-" + id , content: content,
1631                                                         style: 'padding : 0px;',
1632                                                         id: 'ATAB-' + id,
1633                                                         closable: true });
1634
1635                                                 dijit.byId("content-tabs").addChild(article_pane);
1636
1637                                                 if (!event || !event.shiftKey)
1638                                                         dijit.byId("content-tabs").selectChild(article_pane);
1639
1640                                                 if ($("PTITLE-" + id))
1641                                                         article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1642                                         }
1643
1644                                 } });
1645                         }
1646
1647         } catch (e) {
1648                 exception_error("zoomToArticle", e);
1649         }
1650 }
1651
1652 function scrollArticle(offset) {
1653         try {
1654                 if (!isCdmMode()) {
1655                         var ci = $("content-insert");
1656                         if (ci) {
1657                                 ci.scrollTop += offset;
1658                         }
1659                 } else {
1660                         var hi = $("headlines-frame");
1661                         if (hi) {
1662                                 hi.scrollTop += offset;
1663                         }
1664
1665                 }
1666         } catch (e) {
1667                 exception_error("scrollArticle", e);
1668         }
1669 }
1670
1671 function show_labels_in_headlines(transport) {
1672         try {
1673                 var data = JSON.parse(transport.responseText);
1674
1675                 if (data) {
1676                         data['info-for-headlines'].each(function(elem) {
1677                                 var ctr = $("HLLCTR-" + elem.id);
1678
1679                                 if (ctr) ctr.innerHTML = elem.labels;
1680                         });
1681                 }
1682         } catch (e) {
1683                 exception_error("show_labels_in_headlines", e);
1684         }
1685 }
1686
1687 function toggleHeadlineActions() {
1688         try {
1689                 var e = $("headlineActionsBody");
1690                 var p = $("headlineActionsDrop");
1691
1692                 if (!Element.visible(e)) {
1693                         Element.show(e);
1694                 } else {
1695                         Element.hide(e);
1696                 }
1697
1698                 e.scrollTop = 0;
1699                 e.style.left = (p.offsetLeft + 1) + "px";
1700                 e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
1701
1702         } catch (e) {
1703                 exception_error("toggleHeadlineActions", e);
1704         }
1705 }
1706
1707 /* function publishWithNote(id, def_note) {
1708         try {
1709                 if (!def_note) def_note = '';
1710
1711                 var note = prompt(__("Please enter a note for this article:"), def_note);
1712
1713                 if (note != undefined) {
1714                         togglePub(id, false, false, note);
1715                 }
1716
1717         } catch (e) {
1718                 exception_error("publishWithNote", e);
1719         }
1720 } */
1721
1722 function emailArticle(id) {
1723         try {
1724                 if (!id) {
1725                         var ids = getSelectedArticleIds2();
1726
1727                         if (ids.length == 0) {
1728                                 alert(__("No articles are selected."));
1729                                 return;
1730                         }
1731
1732                         id = ids.toString();
1733                 }
1734
1735                 if (dijit.byId("emailArticleDlg"))
1736                         dijit.byId("emailArticleDlg").destroyRecursive();
1737
1738                 var query = "backend.php?op=dlg&id=emailArticle&param=" + param_escape(id);
1739
1740                 dialog = new dijit.Dialog({
1741                         id: "emailArticleDlg",
1742                         title: __("Forward article by email"),
1743                         style: "width: 600px",
1744                         execute: function() {
1745                                 if (this.validate()) {
1746
1747                                         new Ajax.Request("backend.php", {
1748                                                 parameters: dojo.objectToQuery(this.attr('value')),
1749                                                 onComplete: function(transport) {
1750
1751                                                         var reply = JSON.parse(transport.responseText);
1752
1753                                                         var error = reply['error'];
1754
1755                                                         if (error) {
1756                                                                 alert(__('Error sending email:') + ' ' + error);
1757                                                         } else {
1758                                                                 notify_info('Your message has been sent.');
1759                                                                 dialog.hide();
1760                                                         }
1761
1762                                         } });
1763                                 }
1764                         },
1765                         href: query});
1766
1767                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1768                 dojo.disconnect(tmph);
1769
1770                    new Ajax.Autocompleter('emailArticleDlg_destination', 'emailArticleDlg_dst_choices',
1771                            "backend.php?op=rpc&subop=completeEmails",
1772                            { tokens: '', paramName: "search" });
1773                 });
1774
1775                 dialog.show();
1776
1777                 /* displayDlg('emailArticle', id,
1778                    function () {
1779                                 document.forms['article_email_form'].destination.focus();
1780
1781                            new Ajax.Autocompleter('destination', 'destination_choices',
1782                                    "backend.php?op=rpc&subop=completeEmails",
1783                                    { tokens: '', paramName: "search" });
1784
1785                         }); */
1786
1787         } catch (e) {
1788                 exception_error("emailArticle", e);
1789         }
1790 }
1791
1792 function dismissArticle(id) {
1793         try {
1794                 var elem = $("RROW-" + id);
1795
1796                 toggleUnread(id, 0, true);
1797
1798                 new Effect.Fade(elem, {duration : 0.5});
1799
1800                 active_post_id = false;
1801
1802         } catch (e) {
1803                 exception_error("dismissArticle", e);
1804         }
1805 }
1806
1807 function dismissSelectedArticles() {
1808         try {
1809
1810                 var ids = getVisibleArticleIds();
1811                 var tmp = [];
1812                 var sel = [];
1813
1814                 for (var i = 0; i < ids.length; i++) {
1815                         var elem = $("RROW-" + ids[i]);
1816
1817                         if (elem.className && elem.hasClassName("Selected") &&
1818                                         ids[i] != active_post_id) {
1819                                 new Effect.Fade(elem, {duration : 0.5});
1820                                 sel.push(ids[i]);
1821                         } else {
1822                                 tmp.push(ids[i]);
1823                         }
1824                 }
1825
1826                 if (sel.length > 0)
1827                         selectionToggleUnread(false);
1828
1829                 fixHeadlinesOrder(tmp);
1830
1831         } catch (e) {
1832                 exception_error("dismissSelectedArticles", e);
1833         }
1834 }
1835
1836 function dismissReadArticles() {
1837         try {
1838
1839                 var ids = getVisibleArticleIds();
1840                 var tmp = [];
1841
1842                 for (var i = 0; i < ids.length; i++) {
1843                         var elem = $("RROW-" + ids[i]);
1844
1845                         if (elem.className && !elem.hasClassName("Unread") &&
1846                                         !elem.hasClassName("Selected")) {
1847
1848                                 new Effect.Fade(elem, {duration : 0.5});
1849                         } else {
1850                                 tmp.push(ids[i]);
1851                         }
1852                 }
1853
1854                 fixHeadlinesOrder(tmp);
1855
1856         } catch (e) {
1857                 exception_error("dismissSelectedArticles", e);
1858         }
1859 }
1860
1861 function getVisibleArticleIds() {
1862         var ids = [];
1863
1864         try {
1865
1866                 getLoadedArticleIds().each(function(id) {
1867                         var elem = $("RROW-" + id);
1868                         if (elem && Element.visible(elem))
1869                                 ids.push(id);
1870                         });
1871
1872         } catch (e) {
1873                 exception_error("getVisibleArticleIds", e);
1874         }
1875
1876         return ids;
1877 }
1878
1879 function cdmClicked(event, id) {
1880         try {
1881                 var shift_key = event.shiftKey;
1882
1883                 hideAuxDlg();
1884
1885                 if (!event.ctrlKey) {
1886
1887                         if (!getInitParam("cdm_expanded")) {
1888                                 return cdmExpandArticle(id);
1889                         } else {
1890
1891                                 selectArticles("none");
1892                                 toggleSelected(id);
1893
1894                                 var elem = $("RROW-" + id);
1895
1896                                 if (elem)
1897                                         elem.removeClassName("Unread");
1898
1899                                 var upd_img_pic = $("FUPDPIC-" + id);
1900
1901                                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1902                                                 upd_img_pic.src.match("fresh_sign.png"))) {
1903
1904                                         upd_img_pic.src = "images/blank_icon.gif";
1905                                 }
1906
1907                                 active_post_id = id;
1908
1909                                 var query = "?op=rpc&subop=catchupSelected" +
1910                                         "&cmode=0&ids=" + param_escape(id);
1911
1912                                 new Ajax.Request("backend.php", {
1913                                         parameters: query,
1914                                         onComplete: function(transport) {
1915                                                 handle_rpc_json(transport);
1916                                         } });
1917
1918                                 return true;
1919                         }
1920
1921                 } else {
1922                         toggleSelected(id, true);
1923                         toggleUnread(id, 0, false);
1924                         zoomToArticle(event, id);
1925                 }
1926
1927         } catch (e) {
1928                 exception_error("cdmClicked");
1929         }
1930
1931         return false;
1932 }
1933
1934 function postClicked(event, id) {
1935         try {
1936
1937                 if (!event.ctrlKey) {
1938                         return true;
1939                 } else {
1940                         postOpenInNewTab(event, id);
1941                         return false;
1942                 }
1943
1944         } catch (e) {
1945                 exception_error("postClicked");
1946         }
1947 }
1948
1949 function hlOpenInNewTab(event, id) {
1950         toggleUnread(id, 0, false);
1951         zoomToArticle(event, id);
1952 }
1953
1954 function postOpenInNewTab(event, id) {
1955         closeArticlePanel(id);
1956         zoomToArticle(event, id);
1957 }
1958
1959 function hlClicked(event, id) {
1960         try {
1961                 if (event.which == 2) {
1962                         view(id);
1963                         return true;
1964                 } else if (event.altKey) {
1965                         openArticleInNewWindow(id);
1966                 } else if (!event.ctrlKey) {
1967                         view(id);
1968                         return false;
1969                 } else {
1970                         toggleSelected(id);
1971                         toggleUnread(id, 0, false);
1972                         zoomToArticle(event, id);
1973                         return false;
1974                 }
1975
1976         } catch (e) {
1977                 exception_error("hlClicked");
1978         }
1979 }
1980
1981 function getFirstVisibleHeadlineId() {
1982         var rows = getVisibleArticleIds();
1983         return rows[0];
1984
1985 }
1986
1987 function getLastVisibleHeadlineId() {
1988         var rows = getVisibleArticleIds();
1989         return rows[rows.length-1];
1990 }
1991
1992 function openArticleInNewWindow(id) {
1993         toggleUnread(id, 0, false);
1994         window.open("backend.php?op=la&id=" + id);
1995 }
1996
1997 function isCdmMode() {
1998         return getInitParam("combined_display_mode");
1999 }
2000
2001 function markHeadline(id) {
2002         var row = $("RROW-" + id);
2003         if (row) {
2004                 var check = $("RCHK-" + id);
2005
2006                 if (check) {
2007                         check.checked = true;
2008                 }
2009
2010                 row.addClassName("Selected");
2011         }
2012 }
2013
2014 function getRelativePostIds(id, limit) {
2015
2016         var tmp = [];
2017
2018         try {
2019
2020                 if (!limit) limit = 3;
2021
2022                 var ids = getVisibleArticleIds();
2023
2024                 for (var i = 0; i < ids.length; i++) {
2025                         if (ids[i] == id) {
2026                                 for (var k = 1; k <= limit; k++) {
2027                                         if (i > k-1) tmp.push(ids[i-k]);
2028                                         if (i < ids.length-k) tmp.push(ids[i+k]);
2029                                 }
2030                                 break;
2031                         }
2032                 }
2033
2034         } catch (e) {
2035                 exception_error("getRelativePostIds", e);
2036         }
2037
2038         return tmp;
2039 }
2040
2041 function correctHeadlinesOffset(id) {
2042
2043         try {
2044
2045                 var container = $("headlines-frame");
2046                 var row = $("RROW-" + id);
2047
2048                 var viewport = container.offsetHeight;
2049
2050                 var rel_offset_top = row.offsetTop - container.scrollTop;
2051                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
2052
2053                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
2054                 //console.log("Vport: " + viewport);
2055
2056                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
2057                         container.scrollTop = row.offsetTop;
2058                 } else if (rel_offset_bottom > viewport) {
2059
2060                         /* doesn't properly work with Opera in some cases because
2061                                 Opera fucks up element scrolling */
2062
2063                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
2064                 }
2065
2066         } catch (e) {
2067                 exception_error("correctHeadlinesOffset", e);
2068         }
2069
2070 }
2071
2072 function headlineActionsChange(elem) {
2073         try {
2074                 eval(elem.value);
2075                 elem.attr('value', 'false');
2076         } catch (e) {
2077                 exception_error("headlineActionsChange", e);
2078         }
2079 }
2080
2081 function closeArticlePanel() {
2082
2083         var tabs = dijit.byId("content-tabs");
2084         var child = tabs.selectedChildWidget;
2085
2086         if (child && tabs.getIndexOfChild(child) > 0) {
2087                 tabs.removeChild(child);
2088                 child.destroy();
2089         } else {
2090                 if (dijit.byId("content-insert"))
2091                         dijit.byId("headlines-wrap-inner").removeChild(
2092                                 dijit.byId("content-insert"));
2093         }
2094 }
2095
2096 function initHeadlinesMenu() {
2097         try {
2098                 if (dijit.byId("headlinesMenu"))
2099                         dijit.byId("headlinesMenu").destroyRecursive();
2100
2101                 var ids = [];
2102
2103                 if (!isCdmMode()) {
2104                         nodes = $$("#headlines-frame > div[id*=RROW]");
2105                 } else {
2106                         nodes = $$("#headlines-frame span[id*=RTITLE]");
2107                 }
2108
2109                 nodes.each(function(node) {
2110                         ids.push(node.id);
2111                 });
2112
2113                 var menu = new dijit.Menu({
2114                         id: "headlinesMenu",
2115                         targetNodeIds: ids,
2116                 });
2117
2118                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
2119                         var callerNode = event.target, match = null, tries = 0;
2120
2121                         while (match == null && callerNode && tries <= 3) {
2122                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2123                                 callerNode = callerNode.parentNode;
2124                                 ++tries;
2125                         }
2126
2127                         if (match) this.callerRowId = parseInt(match[1]);
2128
2129                 });
2130
2131 /*              if (!isCdmMode())
2132                         menu.addChild(new dijit.MenuItem({
2133                                 label: __("View article"),
2134                                 onClick: function(event) {
2135                                         view(this.getParent().callerRowId);
2136                                 }})); */
2137
2138                 menu.addChild(new dijit.MenuItem({
2139                         label: __("Open original article"),
2140                         onClick: function(event) {
2141                                 openArticleInNewWindow(this.getParent().callerRowId);
2142                         }}));
2143
2144                 menu.addChild(new dijit.MenuItem({
2145                         label: __("View in a tt-rss tab"),
2146                         onClick: function(event) {
2147                                 hlOpenInNewTab(event, this.getParent().callerRowId);
2148                                 }}));
2149
2150 //              menu.addChild(new dijit.MenuSeparator());
2151
2152                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
2153
2154                 if (labels) {
2155
2156                         menu.addChild(new dijit.MenuSeparator());
2157
2158                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
2159                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
2160
2161                         labels.each(function(label) {
2162                                 var id = label.id[0];
2163                                 var bare_id = id.substr(id.indexOf(":")+1);
2164                                 var name = label.name[0];
2165
2166                                 bare_id = -11-bare_id;
2167
2168                                 labelAddMenu.addChild(new dijit.MenuItem({
2169                                         label: name,
2170                                         labelId: bare_id,
2171                                         onClick: function(event) {
2172                                                 selectionAssignLabel(this.labelId,
2173                                                         [this.getParent().ownerMenu.callerRowId]);
2174                                 }}));
2175
2176                                 labelDelMenu.addChild(new dijit.MenuItem({
2177                                         label: name,
2178                                         labelId: bare_id,
2179                                         onClick: function(event) {
2180                                                 selectionRemoveLabel(this.labelId,
2181                                                         [this.getParent().ownerMenu.callerRowId]);
2182                                 }}));
2183
2184                         });
2185
2186                         menu.addChild(new dijit.PopupMenuItem({
2187                                 label: __("Assign label"),
2188                                 popup: labelAddMenu,
2189                         }));
2190
2191                         menu.addChild(new dijit.PopupMenuItem({
2192                                 label: __("Remove label"),
2193                                 popup: labelDelMenu,
2194                         }));
2195
2196                 }
2197
2198                 menu.startup();
2199
2200         } catch (e) {
2201                 exception_error("initHeadlinesMenu", e);
2202         }
2203 }
2204
2205 function tweetArticle(id) {
2206         try {
2207                 var query = "?op=rpc&subop=getTweetInfo&id=" + param_escape(id);
2208
2209                 console.log(query);
2210
2211                 var d = new Date();
2212       var ts = d.getTime();
2213
2214                 var w = window.open('backend.php?op=loading', 'ttrss_tweet',
2215                         "status=0,toolbar=0,location=0,width=500,height=400,scrollbars=1,menubar=0");
2216
2217                 new Ajax.Request("backend.php", {
2218                         parameters: query,
2219                         onComplete: function(transport) {
2220                                 var ti = JSON.parse(transport.responseText);
2221
2222                                 var share_url = "http://twitter.com/share?_=" + ts +
2223                                         "&text=" + param_escape(ti.title) +
2224                                         "&url=" + param_escape(ti.link);
2225
2226                                 w.location.href = share_url;
2227
2228                         } });
2229
2230
2231         } catch (e) {
2232                 exception_error("tweetArticle", e);
2233         }
2234 }
2235
2236 function editArticleNote(id) {
2237         try {
2238
2239                 var query = "backend.php?op=dlg&id=editArticleNote&param=" + param_escape(id);
2240
2241                 if (dijit.byId("editNoteDlg"))
2242                         dijit.byId("editNoteDlg").destroyRecursive();
2243
2244                 dialog = new dijit.Dialog({
2245                         id: "editNoteDlg",
2246                         title: __("Edit article note"),
2247                         style: "width: 600px",
2248                         execute: function() {
2249                                 if (this.validate()) {
2250                                         var query = dojo.objectToQuery(this.attr('value'));
2251
2252                                         notify_progress("Saving article note...", true);
2253
2254                                         new Ajax.Request("backend.php", {
2255                                         parameters: query,
2256                                         onComplete: function(transport) {
2257                                                 notify('');
2258                                                 dialog.hide();
2259
2260                                                 var reply = JSON.parse(transport.responseText);
2261
2262                                                 cache_invalidate(id);
2263
2264                                                 var elem = $("POSTNOTE-" + id);
2265
2266                                                 if (elem) {
2267                                                         Element.hide(elem);
2268                                                         elem.innerHTML = reply.note;
2269
2270                                                         if (reply.raw_length != 0)
2271                                                                 new Effect.Appear(elem);
2272                                                 }
2273
2274                                         }});
2275                                 }
2276                         },
2277                         href: query,
2278                 });
2279
2280                 dialog.show();
2281
2282         } catch (e) {
2283                 exception_error("editArticleNote", e);
2284         }
2285 }
2286
2287 function player(elem) {
2288         var aid = elem.getAttribute("audio-id");
2289         var status = elem.getAttribute("status");
2290
2291         var audio = $(aid);
2292
2293         if (audio) {
2294                 if (status == 0) {
2295                         audio.play();
2296                         status = 1;
2297                         elem.innerHTML = __("Playing...");
2298                         elem.title = __("Click to pause");
2299                         elem.addClassName("playing");
2300                 } else {
2301                         audio.pause();
2302                         status = 0;
2303                         elem.innerHTML = __("Play");
2304                         elem.title = __("Click to play");
2305                         elem.removeClassName("playing");
2306                 }
2307
2308                 elem.setAttribute("status", status);
2309         } else {
2310                 alert("Your browser doesn't seem to support HTML5 audio.");
2311         }
2312 }
2313