viewfeed.js

   1 var active_post_id = false;
   2
   3 var article_cache = new Array();
   4
   5 var vgroup_last_feed = false;
   6 var post_under_pointer = false;
   7
   8 var last_requested_article = false;
   9
  10 var catchup_id_batch = [];
  11 var catchup_timeout_id = false;
  12 var feed_precache_timeout_id = false;
  13
  14 var cids_requested = [];
  15
  16 var has_storage = 'sessionStorage' in window && window['sessionStorage'] !== null;
  17
  18 function headlines_callback2(transport, offset, background) {
  19         try {
  20                 handle_rpc_json(transport);
  21
  22                 loading_set_progress(25);
  23
  24                 console.log("headlines_callback2 [offset=" + offset + "] B:" + background);
  25
  26                 var is_cat = false;
  27                 var feed_id = false;
  28
  29                 var reply;
  30
  31                 try {
  32                         reply = JSON.parse(transport.responseText);
  33                 } catch (e) {
  34                         console.error(e);
  35                 }
  36
  37                 if (reply) {
  38
  39                         is_cat = reply['headlines']['is_cat'];
  40                         feed_id = reply['headlines']['id'];
  41
  42                         if (background) {
  43                                 cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], reply['headlines']['content']);
  44                                 return;
  45                         }
  46
  47                         setActiveFeedId(feed_id, is_cat);
  48
  49                         try {
  50                                 if (offset == 0) {
  51                                         $("headlines-frame").scrollTop = 0;
  52                                 }
  53                         } catch (e) { };
  54
  55                         var headlines_count = reply['headlines-info']['count'];
  56
  57                         vgroup_last_feed = reply['headlines-info']['vgroup_last_feed'];
  58
  59                         if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
  60                                 _infscroll_disable = 1;
  61                         } else {
  62                                 _infscroll_disable = 0;
  63                         }
  64
  65                         var counters = reply['counters'];
  66                         var articles = reply['articles'];
  67                         var runtime_info = reply['runtime-info'];
  68
  69                         if (offset == 0) {
  70                                 dijit.byId("headlines-frame").attr('content',
  71                                         reply['headlines']['content']);
  72
  73                                 dijit.byId("headlines-toolbar").attr('content',
  74                                         reply['headlines']['toolbar']);
  75
  76                                 var hsp = $("headlines-spacer");
  77                                 if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
  78
  79                                 dijit.byId('headlines-frame').domNode.appendChild(hsp);
  80
  81                                 initHeadlinesMenu();
  82
  83                         } else {
  84                                 if (headlines_count > 0) {
  85                                         console.log("adding some more headlines...");
  86
  87                                         var c = dijit.byId("headlines-frame");
  88                                         var ids = getSelectedArticleIds2();
  89
  90                                         $("headlines-tmp").innerHTML = reply['headlines']['content'];
  91
  92                                         var hsp = $("headlines-spacer");
  93
  94                                         if (hsp)
  95                                                 c.domNode.removeChild(hsp);
  96
  97                                         $$("#headlines-tmp > div").each(function(row) {
  98                                                 row.style.display = 'none';
  99                                                 c.domNode.appendChild(row);
 100                                         });
 101
 102                                         if (!hsp) hsp = new Element("DIV", {"id": "headlines-spacer"});
 103
 104                                         fixHeadlinesOrder(getLoadedArticleIds());
 105
 106                                         c.domNode.appendChild(hsp);
 107
 108                                         console.log("restore selected ids: " + ids);
 109
 110                                         for (var i = 0; i < ids.length; i++) {
 111                                                 markHeadline(ids[i]);
 112                                         }
 113
 114                                         initHeadlinesMenu();
 115
 116                                         $$("#headlines-frame > div[id*=RROW]").each(
 117                                         function(child) {
 118                                                 if (!Element.visible(child))
 119                                                         new Effect.Appear(child, { duration : 0.5 });
 120                                         });
 121
 122                                 } else {
 123                                         console.log("no new headlines received");
 124
 125                                         var hsp = $("headlines-spacer");
 126
 127                                         if (hsp) hsp.innerHTML = "";
 128                                 }
 129                         }
 130
 131                         if (headlines_count > 0)
 132                                 cache_headlines(feed_id, is_cat, reply['headlines']['toolbar'], $("headlines-frame").innerHTML);
 133
 134                         if (articles) {
 135                                 for (var i = 0; i < articles.length; i++) {
 136                                         var a_id = articles[i]['id'];
 137                                         cache_set("article:" + a_id, articles[i]['content']);
 138                                 }
 139                         } else {
 140                                 console.log("no cached articles received");
 141                         }
 142
 143                         // do not precache stuff after fresh feed
 144                         if (feed_id != -3)
 145                                 precache_headlines();
 146
 147                         if (counters)
 148                                 parse_counters(counters);
 149                         else
 150                                 request_counters();
 151
 152                 } else {
 153                         console.warn("headlines_callback: returned no XML object");
 154                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 155                                         __('Could not update headlines (invalid object received)') + "</div>");
 156                 }
 157
 158                 _infscroll_request_sent = 0;
 159
 160                 notify("");
 161
 162         } catch (e) {
 163                 exception_error("headlines_callback2", e, transport);
 164         }
 165 }
 166
 167 function render_article(article) {
 168         try {
 169                 dijit.byId("headlines-wrap-inner").addChild(
 170                                 dijit.byId("content-insert"));
 171
 172                 var c = dijit.byId("content-insert");
 173
 174                 try {
 175                         c.domNode.scrollTop = 0;
 176                 } catch (e) { };
 177
 178                 c.attr('content', article);
 179
 180                 correctHeadlinesOffset(getActiveArticleId());
 181
 182                 try {
 183                         c.focus();
 184                 } catch (e) { };
 185
 186         } catch (e) {
 187                 exception_error("render_article", e);
 188         }
 189 }
 190
 191 function showArticleInHeadlines(id) {
 192
 193         try {
 194
 195                 selectArticles("none");
 196
 197                 var crow = $("RROW-" + id);
 198
 199                 if (!crow) return;
 200
 201                 var article_is_unread = crow.hasClassName("Unread");
 202
 203                 crow.removeClassName("Unread");
 204
 205                 selectArticles('none');
 206
 207                 var upd_img_pic = $("FUPDPIC-" + id);
 208
 209                 var view_mode = false;
 210
 211                 try {
 212                         view_mode = document.forms['main_toolbar_form'].view_mode;
 213                         view_mode = view_mode[view_mode.selectedIndex].value;
 214                 } catch (e) {
 215                         //
 216                 }
 217
 218                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 219                                         upd_img_pic.src.match("fresh_sign.png"))) {
 220
 221                         upd_img_pic.src = "images/blank_icon.gif";
 222
 223                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 224
 225                 } else if (article_is_unread && view_mode == "all_articles") {
 226                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 227                 }
 228
 229                 markHeadline(id);
 230
 231                 if (article_is_unread)
 232                         _force_scheduled_update = true;
 233
 234         } catch (e) {
 235                 exception_error("showArticleInHeadlines", e);
 236         }
 237 }
 238
 239 function article_callback2(transport, id) {
 240         try {
 241                 console.log("article_callback2 " + id);
 242
 243                 handle_rpc_json(transport);
 244
 245                 var reply = JSON.parse(transport.responseText);
 246
 247                 if (reply) {
 248
 249                         var upic = $('FUPDPIC-' + id);
 250
 251                         if (upic) upic.src = 'images/blank_icon.gif';
 252
 253                         reply.each(function(article) {
 254                                 if (active_post_id == article['id']) {
 255                                         render_article(article['content']);
 256                                 }
 257                                 cids_requested.remove(article['id']);
 258
 259                                 cache_set("article:" + article['id'], article['content']);
 260                         });
 261
 262 //                      if (id != last_requested_article) {
 263 //                              console.log("requested article id is out of sequence, aborting");
 264 //                              return;
 265 //                      }
 266
 267                 } else {
 268                         console.warn("article_callback: returned invalid data");
 269
 270                         render_article("<div class='whiteBox'>" +
 271                                         __('Could not display article (invalid data received)') + "</div>");
 272                 }
 273
 274                 request_counters();
 275
 276                 notify("");
 277         } catch (e) {
 278                 exception_error("article_callback2", e, transport);
 279         }
 280 }
 281
 282 function view(id) {
 283         try {
 284                 console.log("loading article: " + id);
 285
 286                 var cached_article = cache_get("article:" + id);
 287
 288                 console.log("cache check result: " + (cached_article != false));
 289
 290                 hideAuxDlg();
 291
 292                 var query = "?op=view&id=" + param_escape(id);
 293
 294                 var neighbor_ids = getRelativePostIds(id);
 295
 296                 /* only request uncached articles */
 297
 298                 var cids_to_request = [];
 299
 300                 for (var i = 0; i < neighbor_ids.length; i++) {
 301                         if (cids_requested.indexOf(neighbor_ids[i]) == -1)
 302                                 if (!cache_get("article:" + neighbor_ids[i])) {
 303                                         cids_to_request.push(neighbor_ids[i]);
 304                                         cids_requested.push(neighbor_ids[i]);
 305                                 }
 306                 }
 307
 308                 console.log("additional ids: " + cids_to_request.toString());
 309
 310                 query = query + "&cids=" + cids_to_request.toString();
 311
 312                 var crow = $("RROW-" + id);
 313                 var article_is_unread = crow.hasClassName("Unread");
 314
 315                 active_post_id = id;
 316                 showArticleInHeadlines(id);
 317
 318                 precache_headlines();
 319
 320                 if (!cached_article) {
 321
 322                         var upic = $('FUPDPIC-' + id);
 323
 324                         if (upic) {
 325                                 upic.src = getInitParam("sign_progress");
 326                         }
 327
 328                 } else if (cached_article && article_is_unread) {
 329
 330                         query = query + "&mode=prefetch";
 331
 332                         render_article(cached_article);
 333
 334                 } else if (cached_article) {
 335
 336                         query = query + "&mode=prefetch_old";
 337                         render_article(cached_article);
 338
 339                         // if we don't need to request any relative ids, we might as well skip
 340                         // the server roundtrip altogether
 341                         if (cids_to_request.length == 0)
 342                                 return;
 343                 }
 344
 345                 last_requested_article = id;
 346
 347                 console.log(query);
 348
 349                 new Ajax.Request("backend.php", {
 350                         parameters: query,
 351                         onComplete: function(transport) {
 352                                 article_callback2(transport, id);
 353                         } });
 354
 355                 return false;
 356
 357         } catch (e) {
 358                 exception_error("view", e);
 359         }
 360 }
 361
 362 function tMark(id) {
 363         return toggleMark(id);
 364 }
 365
 366 function tPub(id) {
 367         return togglePub(id);
 368 }
 369
 370 function toggleMark(id, client_only) {
 371         try {
 372                 var query = "?op=rpc&id=" + id + "&subop=mark";
 373
 374                 var img = $("FMPIC-" + id);
 375
 376                 if (!img) return;
 377
 378                 if (img.src.match("mark_unset")) {
 379                         img.src = img.src.replace("mark_unset", "mark_set");
 380                         img.alt = __("Unstar article");
 381                         query = query + "&mark=1";
 382
 383                 } else {
 384                         img.src = img.src.replace("mark_set", "mark_unset");
 385                         img.alt = __("Star article");
 386                         query = query + "&mark=0";
 387                 }
 388
 389                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 390
 391                 if (!client_only) {
 392                         new Ajax.Request("backend.php", {
 393                                 parameters: query,
 394                                 onComplete: function(transport) {
 395                                         handle_rpc_json(transport);
 396                                 } });
 397                 }
 398
 399         } catch (e) {
 400                 exception_error("toggleMark", e);
 401         }
 402 }
 403
 404 function togglePub(id, client_only, no_effects, note) {
 405         try {
 406                 var query = "?op=rpc&id=" + id + "&subop=publ";
 407
 408                 if (note != undefined) {
 409                         query = query + "&note=" + param_escape(note);
 410                 } else {
 411                         query = query + "&note=undefined";
 412                 }
 413
 414                 var img = $("FPPIC-" + id);
 415
 416                 if (!img) return;
 417
 418                 if (img.src.match("pub_unset") || note != undefined) {
 419                         img.src = img.src.replace("pub_unset", "pub_set");
 420                         img.alt = __("Unpublish article");
 421                         query = query + "&pub=1";
 422
 423                 } else {
 424                         img.src = img.src.replace("pub_set", "pub_unset");
 425                         img.alt = __("Publish article");
 426
 427                         query = query + "&pub=0";
 428                 }
 429
 430                 cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
 431
 432                 if (!client_only) {
 433                         new Ajax.Request("backend.php", {
 434                                 parameters: query,
 435                                 onComplete: function(transport) {
 436                                         handle_rpc_json(transport);
 437                                 } });
 438                 }
 439
 440         } catch (e) {
 441                 exception_error("togglePub", e);
 442         }
 443 }
 444
 445 function moveToPost(mode) {
 446
 447         try {
 448
 449                 var rows = getVisibleArticleIds();
 450
 451                 var prev_id = false;
 452                 var next_id = false;
 453
 454                 if (!$('RROW-' + active_post_id)) {
 455                         active_post_id = false;
 456                 }
 457
 458                 if (active_post_id == false) {
 459                         next_id = getFirstVisibleHeadlineId();
 460                         prev_id = getLastVisibleHeadlineId();
 461                 } else {
 462                         for (var i = 0; i < rows.length; i++) {
 463                                 if (rows[i] == active_post_id) {
 464                                         prev_id = rows[i-1];
 465                                         next_id = rows[i+1];
 466                                 }
 467                         }
 468                 }
 469
 470                 if (mode == "next") {
 471                         if (next_id) {
 472                                 if (isCdmMode()) {
 473
 474                                         cdmExpandArticle(next_id);
 475                                         cdmScrollToArticleId(next_id);
 476
 477                                 } else {
 478                                         correctHeadlinesOffset(next_id);
 479                                         view(next_id, getActiveFeedId());
 480                                 }
 481                         }
 482                 }
 483
 484                 if (mode == "prev") {
 485                         if (prev_id) {
 486                                 if (isCdmMode()) {
 487                                         cdmExpandArticle(prev_id);
 488                                         cdmScrollToArticleId(prev_id);
 489                                 } else {
 490                                         correctHeadlinesOffset(prev_id);
 491                                         view(prev_id, getActiveFeedId());
 492                                 }
 493                         }
 494                 }
 495
 496         } catch (e) {
 497                 exception_error("moveToPost", e);
 498         }
 499 }
 500
 501 function toggleSelected(id, force_on) {
 502         try {
 503
 504                 var cb = $("RCHK-" + id);
 505                 var row = $("RROW-" + id);
 506
 507                 if (row) {
 508                         if (row.hasClassName('Selected') && !force_on) {
 509                                 row.removeClassName('Selected');
 510                                 if (cb) cb.checked = false;
 511                         } else {
 512                                 row.addClassName('Selected');
 513                                 if (cb) cb.checked = true;
 514                         }
 515                 }
 516         } catch (e) {
 517                 exception_error("toggleSelected", e);
 518         }
 519 }
 520
 521 function toggleUnread_afh(effect) {
 522         try {
 523
 524                 var elem = effect.element;
 525                 elem.style.backgroundColor = "";
 526
 527         } catch (e) {
 528                 exception_error("toggleUnread_afh", e);
 529         }
 530 }
 531
 532 function toggleUnread(id, cmode, effect) {
 533         try {
 534
 535                 var row = $("RROW-" + id);
 536                 if (row) {
 537                         if (cmode == undefined || cmode == 2) {
 538                                 if (row.hasClassName("Unread")) {
 539                                         row.removeClassName("Unread");
 540
 541                                         if (effect) {
 542                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 543                                                         afterFinish: toggleUnread_afh,
 544                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 545                                         }
 546
 547                                 } else {
 548                                         row.addClassName("Unread");
 549                                 }
 550
 551                         } else if (cmode == 0) {
 552
 553                                 row.removeClassName("Unread");
 554
 555                                 if (effect) {
 556                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 557                                                 afterFinish: toggleUnread_afh,
 558                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 559                                 }
 560
 561                         } else if (cmode == 1) {
 562                                 row.addClassName("Unread");
 563                         }
 564
 565                         if (cmode == undefined) cmode = 2;
 566
 567                         var query = "?op=rpc&subop=catchupSelected" +
 568                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 569
 570 //                      notify_progress("Loading, please wait...");
 571
 572                         new Ajax.Request("backend.php", {
 573                                 parameters: query,
 574                                 onComplete: function(transport) {
 575                                         handle_rpc_json(transport);
 576                                 } });
 577
 578                 }
 579
 580         } catch (e) {
 581                 exception_error("toggleUnread", e);
 582         }
 583 }
 584
 585 function selectionRemoveLabel(id, ids) {
 586         try {
 587
 588                 if (!ids) var ids = getSelectedArticleIds2();
 589
 590                 if (ids.length == 0) {
 591                         alert(__("No articles are selected."));
 592                         return;
 593                 }
 594
 595                 var query = "?op=rpc&subop=removeFromLabel&ids=" +
 596                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 597
 598                 console.log(query);
 599
 600                 new Ajax.Request("backend.php", {
 601                         parameters: query,
 602                         onComplete: function(transport) {
 603                                 handle_rpc_json(transport);
 604                                 show_labels_in_headlines(transport);
 605                         } });
 606
 607         } catch (e) {
 608                 exception_error("selectionAssignLabel", e);
 609
 610         }
 611 }
 612
 613 function selectionAssignLabel(id, ids) {
 614         try {
 615
 616                 if (!ids) ids = getSelectedArticleIds2();
 617
 618                 if (ids.length == 0) {
 619                         alert(__("No articles are selected."));
 620                         return;
 621                 }
 622
 623                 var query = "?op=rpc&subop=assignToLabel&ids=" +
 624                         param_escape(ids.toString()) + "&lid=" + param_escape(id);
 625
 626                 console.log(query);
 627
 628                 new Ajax.Request("backend.php", {
 629                         parameters: query,
 630                         onComplete: function(transport) {
 631                                 handle_rpc_json(transport);
 632                                 show_labels_in_headlines(transport);
 633                         } });
 634
 635         } catch (e) {
 636                 exception_error("selectionAssignLabel", e);
 637
 638         }
 639 }
 640
 641 function selectionToggleUnread(set_state, callback, no_error) {
 642         try {
 643                 var rows = getSelectedArticleIds2();
 644
 645                 if (rows.length == 0 && !no_error) {
 646                         alert(__("No articles are selected."));
 647                         return;
 648                 }
 649
 650                 for (i = 0; i < rows.length; i++) {
 651                         var row = $("RROW-" + rows[i]);
 652                         if (row) {
 653                                 if (set_state == undefined) {
 654                                         if (row.hasClassName("Unread")) {
 655                                                 row.removeClassName("Unread");
 656                                         } else {
 657                                                 row.addClassName("Unread");
 658                                         }
 659                                 }
 660
 661                                 if (set_state == false) {
 662                                         row.removeClassName("Unread");
 663                                 }
 664
 665                                 if (set_state == true) {
 666                                         row.addClassName("Unread");
 667                                 }
 668                         }
 669                 }
 670
 671                 if (rows.length > 0) {
 672
 673                         var cmode = "";
 674
 675                         if (set_state == undefined) {
 676                                 cmode = "2";
 677                         } else if (set_state == true) {
 678                                 cmode = "1";
 679                         } else if (set_state == false) {
 680                                 cmode = "0";
 681                         }
 682
 683                         var query = "?op=rpc&subop=catchupSelected" +
 684                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 685
 686                         notify_progress("Loading, please wait...");
 687
 688                         new Ajax.Request("backend.php", {
 689                                 parameters: query,
 690                                 onComplete: function(transport) {
 691                                         handle_rpc_json(transport);
 692                                         if (callback) callback(transport);
 693                                 } });
 694
 695                 }
 696
 697         } catch (e) {
 698                 exception_error("selectionToggleUnread", e);
 699         }
 700 }
 701
 702 function selectionToggleMarked() {
 703         try {
 704
 705                 var rows = getSelectedArticleIds2();
 706
 707                 if (rows.length == 0) {
 708                         alert(__("No articles are selected."));
 709                         return;
 710                 }
 711
 712                 for (i = 0; i < rows.length; i++) {
 713                         toggleMark(rows[i], true, true);
 714                 }
 715
 716                 if (rows.length > 0) {
 717
 718                         var query = "?op=rpc&subop=markSelected&ids=" +
 719                                 param_escape(rows.toString()) + "&cmode=2";
 720
 721                         new Ajax.Request("backend.php", {
 722                                 parameters: query,
 723                                 onComplete: function(transport) {
 724                                         handle_rpc_json(transport);
 725                                 } });
 726
 727                 }
 728
 729         } catch (e) {
 730                 exception_error("selectionToggleMarked", e);
 731         }
 732 }
 733
 734 function selectionTogglePublished() {
 735         try {
 736
 737                 var rows = getSelectedArticleIds2();
 738
 739                 if (rows.length == 0) {
 740                         alert(__("No articles are selected."));
 741                         return;
 742                 }
 743
 744                 for (i = 0; i < rows.length; i++) {
 745                         togglePub(rows[i], true, true);
 746                 }
 747
 748                 if (rows.length > 0) {
 749
 750                         var query = "?op=rpc&subop=publishSelected&ids=" +
 751                                 param_escape(rows.toString()) + "&cmode=2";
 752
 753                         new Ajax.Request("backend.php", {
 754                                 parameters: query,
 755                                 onComplete: function(transport) {
 756                                         handle_rpc_json(transport);
 757                                 } });
 758
 759                 }
 760
 761         } catch (e) {
 762                 exception_error("selectionToggleMarked", e);
 763         }
 764 }
 765
 766 function getSelectedArticleIds2() {
 767
 768         var rv = [];
 769
 770         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 771                 function(child) {
 772                         rv.push(child.id.replace("RROW-", ""));
 773                 });
 774
 775         return rv;
 776 }
 777
 778 function getLoadedArticleIds() {
 779         var rv = [];
 780
 781         var children = $$("#headlines-frame > div[id*=RROW-]");
 782
 783         children.each(function(child) {
 784                         rv.push(child.id.replace("RROW-", ""));
 785                 });
 786
 787         return rv;
 788
 789 }
 790
 791 // mode = all,none,unread,invert
 792 function selectArticles(mode) {
 793         try {
 794
 795                 var children = $$("#headlines-frame > div[id*=RROW]");
 796
 797                 children.each(function(child) {
 798                         var id = child.id.replace("RROW-", "");
 799                         var cb = $("RCHK-" + id);
 800
 801                         if (mode == "all") {
 802                                 child.addClassName("Selected");
 803                                 cb.checked = true;
 804                         } else if (mode == "unread") {
 805                                 if (child.hasClassName("Unread")) {
 806                                         child.addClassName("Selected");
 807                                         cb.checked = true;
 808                                 } else {
 809                                         child.removeClassName("Selected");
 810                                         cb.checked = false;
 811                                 }
 812                         } else if (mode == "invert") {
 813                                 if (child.hasClassName("Selected")) {
 814                                         child.removeClassName("Selected");
 815                                         cb.checked = false;
 816                                 } else {
 817                                         child.addClassName("Selected");
 818                                         cb.checked = true;
 819                                 }
 820
 821                         } else {
 822                                 child.removeClassName("Selected");
 823                                 cb.checked = false;
 824                         }
 825                 });
 826
 827         } catch (e) {
 828                 exception_error("selectArticles", e);
 829         }
 830 }
 831
 832 function catchupPage() {
 833
 834         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 835
 836         var str = __("Mark all visible articles in %s as read?");
 837
 838         str = str.replace("%s", fn);
 839
 840         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 841                 return;
 842         }
 843
 844         selectArticles('all');
 845         selectionToggleUnread(false, 'viewCurrentFeed()', true)
 846         selectArticles('none');
 847 }
 848
 849 function deleteSelection() {
 850
 851         try {
 852
 853                 var rows = getSelectedArticleIds2();
 854
 855                 if (rows.length == 0) {
 856                         alert(__("No articles are selected."));
 857                         return;
 858                 }
 859
 860                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 861                 var str;
 862                 var op;
 863
 864                 if (getActiveFeedId() != 0) {
 865                         str = __("Delete %d selected articles in %s?");
 866                 } else {
 867                         str = __("Delete %d selected articles?");
 868                 }
 869
 870                 str = str.replace("%d", rows.length);
 871                 str = str.replace("%s", fn);
 872
 873                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 874                         return;
 875                 }
 876
 877                 query = "?op=rpc&subop=delete&ids=" + param_escape(rows);
 878
 879                 console.log(query);
 880
 881                 new Ajax.Request("backend.php", {
 882                         parameters: query,
 883                         onComplete: function(transport) {
 884                                         handle_rpc_json(transport);
 885                                         viewCurrentFeed();
 886                                 } });
 887
 888         } catch (e) {
 889                 exception_error("deleteSelection", e);
 890         }
 891 }
 892
 893 function archiveSelection() {
 894
 895         try {
 896
 897                 var rows = getSelectedArticleIds2();
 898
 899                 if (rows.length == 0) {
 900                         alert(__("No articles are selected."));
 901                         return;
 902                 }
 903
 904                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 905                 var str;
 906                 var op;
 907
 908                 if (getActiveFeedId() != 0) {
 909                         str = __("Archive %d selected articles in %s?");
 910                         op = "archive";
 911                 } else {
 912                         str = __("Move %d archived articles back?");
 913                         op = "unarchive";
 914                 }
 915
 916                 str = str.replace("%d", rows.length);
 917                 str = str.replace("%s", fn);
 918
 919                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 920                         return;
 921                 }
 922
 923                 query = "?op=rpc&subop="+op+"&ids=" + param_escape(rows);
 924
 925                 console.log(query);
 926
 927                 for (var i = 0; i < rows.length; i++) {
 928                         cache_delete("article:" + rows[i]);
 929                 }
 930
 931                 new Ajax.Request("backend.php", {
 932                         parameters: query,
 933                         onComplete: function(transport) {
 934                                         handle_rpc_json(transport);
 935                                         viewCurrentFeed();
 936                                 } });
 937
 938         } catch (e) {
 939                 exception_error("archiveSelection", e);
 940         }
 941 }
 942
 943 function catchupSelection() {
 944
 945         try {
 946
 947                 var rows = getSelectedArticleIds2();
 948
 949                 if (rows.length == 0) {
 950                         alert(__("No articles are selected."));
 951                         return;
 952                 }
 953
 954                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 955
 956                 var str = __("Mark %d selected articles in %s as read?");
 957
 958                 str = str.replace("%d", rows.length);
 959                 str = str.replace("%s", fn);
 960
 961                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 962                         return;
 963                 }
 964
 965                 selectionToggleUnread(false, 'viewCurrentFeed()', true)
 966
 967         } catch (e) {
 968                 exception_error("catchupSelection", e);
 969         }
 970 }
 971
 972 function editArticleTags(id) {
 973                 var query = "backend.php?op=dlg&id=editArticleTags&param=" + param_escape(id);
 974
 975                 if (dijit.byId("editTagsDlg"))
 976                         dijit.byId("editTagsDlg").destroyRecursive();
 977
 978                 dialog = new dijit.Dialog({
 979                         id: "editTagsDlg",
 980                         title: __("Edit article Tags"),
 981                         style: "width: 600px",
 982                         execute: function() {
 983                                 if (this.validate()) {
 984                                         var query = dojo.objectToQuery(this.attr('value'));
 985
 986                                         notify_progress("Saving article tags...", true);
 987
 988                                         new Ajax.Request("backend.php", {
 989                                         parameters: query,
 990                                         onComplete: function(transport) {
 991                                                 notify('');
 992                                                 dialog.hide();
 993
 994                                                 var data = JSON.parse(transport.responseText);
 995
 996                                                 if (data) {
 997                                                         var tags_str = data.tags_str;
 998                                                         var id = tags_str.id;
 999
1000                                                         var tags = $("ATSTR-" + id);
1001                                                         var tooltip = dijit.byId("ATSTRTIP-" + id);
1002
1003                                                         if (tags) tags.innerHTML = tags_str.content;
1004                                                         if (tooltip) tooltip.attr('label', tags_str.content_full);
1005
1006                                                         cache_delete("article:" + id);
1007                                                 }
1008
1009                                         }});
1010                                 }
1011                         },
1012                         href: query,
1013                 });
1014
1015                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1016                 dojo.disconnect(tmph);
1017
1018                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1019                            "backend.php?op=rpc&subop=completeTags",
1020                            { tokens: ',', paramName: "search" });
1021                 });
1022
1023                 dialog.show();
1024
1025 }
1026
1027 function cdmScrollToArticleId(id) {
1028         try {
1029                 var ctr = $("headlines-frame");
1030                 var e = $("RROW-" + id);
1031
1032                 if (!e || !ctr) return;
1033
1034                 ctr.scrollTop = e.offsetTop;
1035
1036         } catch (e) {
1037                 exception_error("cdmScrollToArticleId", e);
1038         }
1039 }
1040
1041 function getActiveArticleId() {
1042         return active_post_id;
1043 }
1044
1045 function postMouseIn(id) {
1046         post_under_pointer = id;
1047 }
1048
1049 function postMouseOut(id) {
1050         post_under_pointer = false;
1051 }
1052
1053 function headlines_scroll_handler(e) {
1054         try {
1055                 var hsp = $("headlines-spacer");
1056
1057                 if (!_infscroll_disable) {
1058                         if (hsp && (e.scrollTop + e.offsetHeight > hsp.offsetTop) ||
1059                                         e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
1060
1061                                 hsp.innerHTML = "<img src='images/indicator_tiny.gif'> " +
1062                                         __("Loading, please wait...");
1063
1064                                 loadMoreHeadlines();
1065
1066                                 //viewNextFeedPage();
1067                         }
1068                 } else {
1069                         if (hsp) hsp.innerHTML = "";
1070                 }
1071
1072                 if (getInitParam("cdm_auto_catchup") == 1) {
1073
1074                         $$("#headlines-frame > div[id*=RROW][class*=Unread]").each(
1075                                 function(child) {
1076                                         if ($("headlines-frame").scrollTop >
1077                                                         (child.offsetTop + child.offsetHeight/2)) {
1078
1079                                                 var id = child.id.replace("RROW-", "");
1080
1081                                                 if (catchup_id_batch.indexOf(id) == -1)
1082                                                         catchup_id_batch.push(id);
1083                                         }
1084                                 });
1085
1086                         if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1087                                 window.clearTimeout(catchup_timeout_id);
1088                                 catchup_timeout_id = window.setTimeout('catchupBatchedArticles()',
1089                                                 1000);
1090                         }
1091                 }
1092
1093         } catch (e) {
1094                 console.warn("headlines_scroll_handler: " + e);
1095         }
1096 }
1097
1098 function catchupBatchedArticles() {
1099         try {
1100                 if (catchup_id_batch.length > 0 && !_infscroll_request_sent) {
1101
1102                         var query = "?op=rpc&subop=catchupSelected" +
1103                                 "&cmode=0&ids=" + param_escape(catchup_id_batch.toString());
1104
1105                         new Ajax.Request("backend.php", {
1106                                 parameters: query,
1107                                 onComplete: function(transport) {
1108                                         handle_rpc_json(transport);
1109
1110                                         catchup_id_batch.each(function(id) {
1111                                                 var elem = $("RROW-" + id);
1112                                                 if (elem) elem.removeClassName("Unread");
1113                                         });
1114
1115                                         catchup_id_batch = [];
1116                                 } });
1117                 }
1118
1119         } catch (e) {
1120                 exception_error("catchupBatchedArticles", e);
1121         }
1122 }
1123
1124 function catchupRelativeToArticle(below) {
1125
1126         try {
1127
1128
1129                 if (!getActiveArticleId()) {
1130                         alert(__("No article is selected."));
1131                         return;
1132                 }
1133
1134                 var visible_ids = getVisibleArticleIds();
1135
1136                 var ids_to_mark = new Array();
1137
1138                 if (!below) {
1139                         for (var i = 0; i < visible_ids.length; i++) {
1140                                 if (visible_ids[i] != getActiveArticleId()) {
1141                                         var e = $("RROW-" + visible_ids[i]);
1142
1143                                         if (e && e.hasClassName("Unread")) {
1144                                                 ids_to_mark.push(visible_ids[i]);
1145                                         }
1146                                 } else {
1147                                         break;
1148                                 }
1149                         }
1150                 } else {
1151                         for (var i = visible_ids.length-1; i >= 0; i--) {
1152                                 if (visible_ids[i] != getActiveArticleId()) {
1153                                         var e = $("RROW-" + visible_ids[i]);
1154
1155                                         if (e && e.hasClassName("Unread")) {
1156                                                 ids_to_mark.push(visible_ids[i]);
1157                                         }
1158                                 } else {
1159                                         break;
1160                                 }
1161                         }
1162                 }
1163
1164                 if (ids_to_mark.length == 0) {
1165                         alert(__("No articles found to mark"));
1166                 } else {
1167                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1168
1169                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1170
1171                                 for (var i = 0; i < ids_to_mark.length; i++) {
1172                                         var e = $("RROW-" + ids_to_mark[i]);
1173                                         e.removeClassName("Unread");
1174                                 }
1175
1176                                 var query = "?op=rpc&subop=catchupSelected" +
1177                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1178
1179                                 new Ajax.Request("backend.php", {
1180                                         parameters: query,
1181                                         onComplete: function(transport) {
1182                                                 handle_rpc_json(transport);
1183                                         } });
1184
1185                         }
1186                 }
1187
1188         } catch (e) {
1189                 exception_error("catchupRelativeToArticle", e);
1190         }
1191 }
1192
1193 function cdmExpandArticle(id) {
1194         try {
1195
1196                 hideAuxDlg();
1197
1198                 var elem = $("CICD-" + active_post_id);
1199
1200                 var upd_img_pic = $("FUPDPIC-" + id);
1201
1202                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1203                                 upd_img_pic.src.match("fresh_sign.png"))) {
1204
1205                         upd_img_pic.src = "images/blank_icon.gif";
1206                 }
1207
1208                 if (id == active_post_id && Element.visible(elem))
1209                         return true;
1210
1211                 selectArticles("none");
1212
1213                 var old_offset = $("RROW-" + id).offsetTop;
1214
1215                 if (active_post_id && elem && !getInitParam("cdm_expanded")) {
1216                         Element.hide(elem);
1217                         Element.show("CEXC-" + active_post_id);
1218                 }
1219
1220                 active_post_id = id;
1221
1222                 elem = $("CICD-" + id);
1223
1224                 if (!Element.visible(elem)) {
1225                         Element.show(elem);
1226                         Element.hide("CEXC-" + id);
1227
1228                         if ($("CWRAP-" + id).innerHTML == "") {
1229
1230                                 $("FUPDPIC-" + id).src = "images/indicator_tiny.gif";
1231
1232                                 $("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" +
1233                                         __("Loading, please wait...") + "</div>";
1234
1235                                 var query = "?op=rpc&subop=cdmGetArticle&id=" + param_escape(id);
1236
1237                                 //console.log(query);
1238
1239                                 new Ajax.Request("backend.php", {
1240                                         parameters: query,
1241                                         onComplete: function(transport) {
1242                                                 $("FUPDPIC-" + id).src = 'images/blank_icon.gif';
1243
1244                                                 handle_rpc_json(transport);
1245
1246                                                 var reply = JSON.parse(transport.responseText);
1247
1248                                                 if (reply) {
1249                                                         var article = reply['article']['content'];
1250                                                         var recv_id = reply['article']['id'];
1251
1252                                                         if (recv_id == id)
1253                                                                 $("CWRAP-" + id).innerHTML = article;
1254
1255                                                 } else {
1256                                                         $("CWRAP-" + id).innerHTML = __("Unable to load article.");
1257
1258                                                 }
1259                                 }});
1260
1261                         }
1262                 }
1263
1264                 var new_offset = $("RROW-" + id).offsetTop;
1265
1266                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1267
1268                 if ($("RROW-" + id).offsetTop != old_offset)
1269                         $("headlines-frame").scrollTop = new_offset;
1270
1271                 toggleUnread(id, 0, true);
1272                 toggleSelected(id);
1273
1274         } catch (e) {
1275                 exception_error("cdmExpandArticle", e);
1276         }
1277
1278         return false;
1279 }
1280
1281 function fixHeadlinesOrder(ids) {
1282         try {
1283                 for (var i = 0; i < ids.length; i++) {
1284                         var e = $("RROW-" + ids[i]);
1285
1286                         if (e) {
1287                                 if (i % 2 == 0) {
1288                                         e.removeClassName("even");
1289                                         e.addClassName("odd");
1290                                 } else {
1291                                         e.removeClassName("odd");
1292                                         e.addClassName("even");
1293                                 }
1294                         }
1295                 }
1296         } catch (e) {
1297                 exception_error("fixHeadlinesOrder", e);
1298         }
1299 }
1300
1301 function getArticleUnderPointer() {
1302         return post_under_pointer;
1303 }
1304
1305 function zoomToArticle(event, id) {
1306         try {
1307                 var cached_article = cache_find(id);
1308
1309                 if (dijit.byId("ATAB-" + id))
1310                         if (!event || !event.shiftKey)
1311                                 return dijit.byId("content-tabs").selectChild(dijit.byId("ATAB-" + id));
1312
1313                 if (dijit.byId("ATSTRTIP-" + id))
1314                         dijit.byId("ATSTRTIP-" + id).destroyRecursive();
1315
1316                 if (cached_article) {
1317                         //closeArticlePanel();
1318
1319                         var article_pane = new dijit.layout.ContentPane({
1320                                 title: __("Loading...") , content: cached_article,
1321                                 style: 'padding : 0px;',
1322                                 id: 'ATAB-' + id,
1323                                 closable: true });
1324
1325                         dijit.byId("content-tabs").addChild(article_pane);
1326
1327                         if (!event || !event.shiftKey)
1328                                 dijit.byId("content-tabs").selectChild(article_pane);
1329
1330                         if ($("PTITLE-" + id))
1331                                 article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1332
1333                 } else {
1334
1335                         var query = "?op=rpc&subop=getArticles&ids=" + param_escape(id);
1336
1337                         notify_progress("Loading, please wait...", true);
1338
1339                         new Ajax.Request("backend.php", {
1340                                 parameters: query,
1341                                 onComplete: function(transport) {
1342                                         notify('');
1343
1344                                         var reply = JSON.parse(transport.responseText);
1345
1346                                         if (reply) {
1347                                                 //closeArticlePanel();
1348
1349                                                 var content = reply[0]['content'];
1350
1351                                                 var article_pane = new dijit.layout.ContentPane({
1352                                                         title: "article-" + id , content: content,
1353                                                         style: 'padding : 0px;',
1354                                                         id: 'ATAB-' + id,
1355                                                         closable: true });
1356
1357                                                 dijit.byId("content-tabs").addChild(article_pane);
1358
1359                                                 if (!event || !event.shiftKey)
1360                                                         dijit.byId("content-tabs").selectChild(article_pane);
1361
1362                                                 if ($("PTITLE-" + id))
1363                                                         article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1364                                         }
1365
1366                                 } });
1367                         }
1368
1369         } catch (e) {
1370                 exception_error("zoomToArticle", e);
1371         }
1372 }
1373
1374 function scrollArticle(offset) {
1375         try {
1376                 if (!isCdmMode()) {
1377                         var ci = $("content-insert");
1378                         if (ci) {
1379                                 ci.scrollTop += offset;
1380                         }
1381                 } else {
1382                         var hi = $("headlines-frame");
1383                         if (hi) {
1384                                 hi.scrollTop += offset;
1385                         }
1386
1387                 }
1388         } catch (e) {
1389                 exception_error("scrollArticle", e);
1390         }
1391 }
1392
1393 function show_labels_in_headlines(transport) {
1394         try {
1395                 var data = JSON.parse(transport.responseText);
1396
1397                 if (data) {
1398                         data['info-for-headlines'].each(function(elem) {
1399                                 var ctr = $("HLLCTR-" + elem.id);
1400
1401                                 if (ctr) ctr.innerHTML = elem.labels;
1402                         });
1403
1404                         cache_headlines(getActiveFeedId(), activeFeedIsCat(), null, $("headlines-frame").innerHTML);
1405
1406                 }
1407         } catch (e) {
1408                 exception_error("show_labels_in_headlines", e);
1409         }
1410 }
1411
1412 /* function toggleHeadlineActions() {
1413         try {
1414                 var e = $("headlineActionsBody");
1415                 var p = $("headlineActionsDrop");
1416
1417                 if (!Element.visible(e)) {
1418                         Element.show(e);
1419                 } else {
1420                         Element.hide(e);
1421                 }
1422
1423                 e.scrollTop = 0;
1424                 e.style.left = (p.offsetLeft + 1) + "px";
1425                 e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
1426
1427         } catch (e) {
1428                 exception_error("toggleHeadlineActions", e);
1429         }
1430 } */
1431
1432 /* function publishWithNote(id, def_note) {
1433         try {
1434                 if (!def_note) def_note = '';
1435
1436                 var note = prompt(__("Please enter a note for this article:"), def_note);
1437
1438                 if (note != undefined) {
1439                         togglePub(id, false, false, note);
1440                 }
1441
1442         } catch (e) {
1443                 exception_error("publishWithNote", e);
1444         }
1445 } */
1446
1447 function emailArticle(id) {
1448         try {
1449                 if (!id) {
1450                         var ids = getSelectedArticleIds2();
1451
1452                         if (ids.length == 0) {
1453                                 alert(__("No articles are selected."));
1454                                 return;
1455                         }
1456
1457                         id = ids.toString();
1458                 }
1459
1460                 if (dijit.byId("emailArticleDlg"))
1461                         dijit.byId("emailArticleDlg").destroyRecursive();
1462
1463                 var query = "backend.php?op=dlg&id=emailArticle&param=" + param_escape(id);
1464
1465                 dialog = new dijit.Dialog({
1466                         id: "emailArticleDlg",
1467                         title: __("Forward article by email"),
1468                         style: "width: 600px",
1469                         execute: function() {
1470                                 if (this.validate()) {
1471
1472                                         new Ajax.Request("backend.php", {
1473                                                 parameters: dojo.objectToQuery(this.attr('value')),
1474                                                 onComplete: function(transport) {
1475
1476                                                         var reply = JSON.parse(transport.responseText);
1477
1478                                                         var error = reply['error'];
1479
1480                                                         if (error) {
1481                                                                 alert(__('Error sending email:') + ' ' + error);
1482                                                         } else {
1483                                                                 notify_info('Your message has been sent.');
1484                                                                 dialog.hide();
1485                                                         }
1486
1487                                         } });
1488                                 }
1489                         },
1490                         href: query});
1491
1492                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1493                 dojo.disconnect(tmph);
1494
1495                    new Ajax.Autocompleter('emailArticleDlg_destination', 'emailArticleDlg_dst_choices',
1496                            "backend.php?op=rpc&subop=completeEmails",
1497                            { tokens: '', paramName: "search" });
1498                 });
1499
1500                 dialog.show();
1501
1502                 /* displayDlg('emailArticle', id,
1503                    function () {
1504                                 document.forms['article_email_form'].destination.focus();
1505
1506                            new Ajax.Autocompleter('destination', 'destination_choices',
1507                                    "backend.php?op=rpc&subop=completeEmails",
1508                                    { tokens: '', paramName: "search" });
1509
1510                         }); */
1511
1512         } catch (e) {
1513                 exception_error("emailArticle", e);
1514         }
1515 }
1516
1517 function dismissArticle(id) {
1518         try {
1519                 var elem = $("RROW-" + id);
1520
1521                 toggleUnread(id, 0, true);
1522
1523                 new Effect.Fade(elem, {duration : 0.5});
1524
1525                 active_post_id = false;
1526
1527         } catch (e) {
1528                 exception_error("dismissArticle", e);
1529         }
1530 }
1531
1532 function dismissSelectedArticles() {
1533         try {
1534
1535                 var ids = getVisibleArticleIds();
1536                 var tmp = [];
1537                 var sel = [];
1538
1539                 for (var i = 0; i < ids.length; i++) {
1540                         var elem = $("RROW-" + ids[i]);
1541
1542                         if (elem.className && elem.hasClassName("Selected") &&
1543                                         ids[i] != active_post_id) {
1544                                 new Effect.Fade(elem, {duration : 0.5});
1545                                 sel.push(ids[i]);
1546                         } else {
1547                                 tmp.push(ids[i]);
1548                         }
1549                 }
1550
1551                 if (sel.length > 0)
1552                         selectionToggleUnread(false);
1553
1554                 fixHeadlinesOrder(tmp);
1555
1556         } catch (e) {
1557                 exception_error("dismissSelectedArticles", e);
1558         }
1559 }
1560
1561 function dismissReadArticles() {
1562         try {
1563
1564                 var ids = getVisibleArticleIds();
1565                 var tmp = [];
1566
1567                 for (var i = 0; i < ids.length; i++) {
1568                         var elem = $("RROW-" + ids[i]);
1569
1570                         if (elem.className && !elem.hasClassName("Unread") &&
1571                                         !elem.hasClassName("Selected")) {
1572
1573                                 new Effect.Fade(elem, {duration : 0.5});
1574                         } else {
1575                                 tmp.push(ids[i]);
1576                         }
1577                 }
1578
1579                 fixHeadlinesOrder(tmp);
1580
1581         } catch (e) {
1582                 exception_error("dismissSelectedArticles", e);
1583         }
1584 }
1585
1586 function getVisibleArticleIds() {
1587         var ids = [];
1588
1589         try {
1590
1591                 getLoadedArticleIds().each(function(id) {
1592                         var elem = $("RROW-" + id);
1593                         if (elem && Element.visible(elem))
1594                                 ids.push(id);
1595                         });
1596
1597         } catch (e) {
1598                 exception_error("getVisibleArticleIds", e);
1599         }
1600
1601         return ids;
1602 }
1603
1604 function cdmClicked(event, id) {
1605         try {
1606                 var shift_key = event.shiftKey;
1607
1608                 hideAuxDlg();
1609
1610                 if (!event.ctrlKey) {
1611
1612                         if (!getInitParam("cdm_expanded")) {
1613                                 return cdmExpandArticle(id);
1614                         } else {
1615
1616                                 selectArticles("none");
1617                                 toggleSelected(id);
1618
1619                                 var elem = $("RROW-" + id);
1620
1621                                 if (elem)
1622                                         elem.removeClassName("Unread");
1623
1624                                 var upd_img_pic = $("FUPDPIC-" + id);
1625
1626                                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1627                                                 upd_img_pic.src.match("fresh_sign.png"))) {
1628
1629                                         upd_img_pic.src = "images/blank_icon.gif";
1630                                 }
1631
1632                                 active_post_id = id;
1633
1634                                 var query = "?op=rpc&subop=catchupSelected" +
1635                                         "&cmode=0&ids=" + param_escape(id);
1636
1637                                 new Ajax.Request("backend.php", {
1638                                         parameters: query,
1639                                         onComplete: function(transport) {
1640                                                 handle_rpc_json(transport);
1641                                         } });
1642
1643                                 return true;
1644                         }
1645
1646                 } else {
1647                         toggleSelected(id, true);
1648                         toggleUnread(id, 0, false);
1649                         zoomToArticle(event, id);
1650                 }
1651
1652         } catch (e) {
1653                 exception_error("cdmClicked");
1654         }
1655
1656         return false;
1657 }
1658
1659 function postClicked(event, id) {
1660         try {
1661
1662                 if (!event.ctrlKey) {
1663                         return true;
1664                 } else {
1665                         postOpenInNewTab(event, id);
1666                         return false;
1667                 }
1668
1669         } catch (e) {
1670                 exception_error("postClicked");
1671         }
1672 }
1673
1674 function hlOpenInNewTab(event, id) {
1675         toggleUnread(id, 0, false);
1676         zoomToArticle(event, id);
1677 }
1678
1679 function postOpenInNewTab(event, id) {
1680         closeArticlePanel(id);
1681         zoomToArticle(event, id);
1682 }
1683
1684 function hlClicked(event, id) {
1685         try {
1686                 if (event.which == 2) {
1687                         view(id);
1688                         return true;
1689                 } else if (event.altKey) {
1690                         openArticleInNewWindow(id);
1691                 } else if (!event.ctrlKey) {
1692                         view(id);
1693                         return false;
1694                 } else {
1695                         toggleSelected(id);
1696                         toggleUnread(id, 0, false);
1697                         zoomToArticle(event, id);
1698                         return false;
1699                 }
1700
1701         } catch (e) {
1702                 exception_error("hlClicked");
1703         }
1704 }
1705
1706 function getFirstVisibleHeadlineId() {
1707         var rows = getVisibleArticleIds();
1708         return rows[0];
1709
1710 }
1711
1712 function getLastVisibleHeadlineId() {
1713         var rows = getVisibleArticleIds();
1714         return rows[rows.length-1];
1715 }
1716
1717 function openArticleInNewWindow(id) {
1718         toggleUnread(id, 0, false);
1719         window.open("backend.php?op=la&id=" + id);
1720 }
1721
1722 function isCdmMode() {
1723         return getInitParam("combined_display_mode");
1724 }
1725
1726 function markHeadline(id) {
1727         var row = $("RROW-" + id);
1728         if (row) {
1729                 var check = $("RCHK-" + id);
1730
1731                 if (check) {
1732                         check.checked = true;
1733                 }
1734
1735                 row.addClassName("Selected");
1736         }
1737 }
1738
1739 function getRelativePostIds(id, limit) {
1740
1741         var tmp = [];
1742
1743         try {
1744
1745                 if (!limit) limit = 6; //3
1746
1747                 var ids = getVisibleArticleIds();
1748
1749                 for (var i = 0; i < ids.length; i++) {
1750                         if (ids[i] == id) {
1751                                 for (var k = 1; k <= limit; k++) {
1752                                         //if (i > k-1) tmp.push(ids[i-k]);
1753                                         if (i < ids.length-k) tmp.push(ids[i+k]);
1754                                 }
1755                                 break;
1756                         }
1757                 }
1758
1759         } catch (e) {
1760                 exception_error("getRelativePostIds", e);
1761         }
1762
1763         return tmp;
1764 }
1765
1766 function correctHeadlinesOffset(id) {
1767
1768         try {
1769
1770                 var container = $("headlines-frame");
1771                 var row = $("RROW-" + id);
1772
1773                 var viewport = container.offsetHeight;
1774
1775                 var rel_offset_top = row.offsetTop - container.scrollTop;
1776                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
1777
1778                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
1779                 //console.log("Vport: " + viewport);
1780
1781                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
1782                         container.scrollTop = row.offsetTop;
1783                 } else if (rel_offset_bottom > viewport) {
1784
1785                         /* doesn't properly work with Opera in some cases because
1786                                 Opera fucks up element scrolling */
1787
1788                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
1789                 }
1790
1791         } catch (e) {
1792                 exception_error("correctHeadlinesOffset", e);
1793         }
1794
1795 }
1796
1797 function headlineActionsChange(elem) {
1798         try {
1799                 eval(elem.value);
1800                 elem.attr('value', 'false');
1801         } catch (e) {
1802                 exception_error("headlineActionsChange", e);
1803         }
1804 }
1805
1806 function closeArticlePanel() {
1807
1808         var tabs = dijit.byId("content-tabs");
1809         var child = tabs.selectedChildWidget;
1810
1811         if (child && tabs.getIndexOfChild(child) > 0) {
1812                 tabs.removeChild(child);
1813                 child.destroy();
1814         } else {
1815                 if (dijit.byId("content-insert"))
1816                         dijit.byId("headlines-wrap-inner").removeChild(
1817                                 dijit.byId("content-insert"));
1818         }
1819 }
1820
1821 function initHeadlinesMenu() {
1822         try {
1823                 if (dijit.byId("headlinesMenu"))
1824                         dijit.byId("headlinesMenu").destroyRecursive();
1825
1826                 var ids = [];
1827
1828                 if (!isCdmMode()) {
1829                         nodes = $$("#headlines-frame > div[id*=RROW]");
1830                 } else {
1831                         nodes = $$("#headlines-frame span[id*=RTITLE]");
1832                 }
1833
1834                 nodes.each(function(node) {
1835                         ids.push(node.id);
1836                 });
1837
1838                 var menu = new dijit.Menu({
1839                         id: "headlinesMenu",
1840                         targetNodeIds: ids,
1841                 });
1842
1843                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
1844                         var callerNode = event.target, match = null, tries = 0;
1845
1846                         while (match == null && callerNode && tries <= 3) {
1847                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
1848                                 callerNode = callerNode.parentNode;
1849                                 ++tries;
1850                         }
1851
1852                         if (match) this.callerRowId = parseInt(match[1]);
1853
1854                 });
1855
1856 /*              if (!isCdmMode())
1857                         menu.addChild(new dijit.MenuItem({
1858                                 label: __("View article"),
1859                                 onClick: function(event) {
1860                                         view(this.getParent().callerRowId);
1861                                 }})); */
1862
1863                 menu.addChild(new dijit.MenuItem({
1864                         label: __("Open original article"),
1865                         onClick: function(event) {
1866                                 openArticleInNewWindow(this.getParent().callerRowId);
1867                         }}));
1868
1869                 menu.addChild(new dijit.MenuItem({
1870                         label: __("View in a tt-rss tab"),
1871                         onClick: function(event) {
1872                                 hlOpenInNewTab(event, this.getParent().callerRowId);
1873                                 }}));
1874
1875 //              menu.addChild(new dijit.MenuSeparator());
1876
1877                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
1878
1879                 if (labels) {
1880
1881                         menu.addChild(new dijit.MenuSeparator());
1882
1883                         var labelAddMenu = new dijit.Menu({ownerMenu: menu});
1884                         var labelDelMenu = new dijit.Menu({ownerMenu: menu});
1885
1886                         labels.each(function(label) {
1887                                 var id = label.id[0];
1888                                 var bare_id = id.substr(id.indexOf(":")+1);
1889                                 var name = label.name[0];
1890
1891                                 bare_id = -11-bare_id;
1892
1893                                 labelAddMenu.addChild(new dijit.MenuItem({
1894                                         label: name,
1895                                         labelId: bare_id,
1896                                         onClick: function(event) {
1897                                                 selectionAssignLabel(this.labelId,
1898                                                         [this.getParent().ownerMenu.callerRowId]);
1899                                 }}));
1900
1901                                 labelDelMenu.addChild(new dijit.MenuItem({
1902                                         label: name,
1903                                         labelId: bare_id,
1904                                         onClick: function(event) {
1905                                                 selectionRemoveLabel(this.labelId,
1906                                                         [this.getParent().ownerMenu.callerRowId]);
1907                                 }}));
1908
1909                         });
1910
1911                         menu.addChild(new dijit.PopupMenuItem({
1912                                 label: __("Assign label"),
1913                                 popup: labelAddMenu,
1914                         }));
1915
1916                         menu.addChild(new dijit.PopupMenuItem({
1917                                 label: __("Remove label"),
1918                                 popup: labelDelMenu,
1919                         }));
1920
1921                 }
1922
1923                 menu.startup();
1924
1925         } catch (e) {
1926                 exception_error("initHeadlinesMenu", e);
1927         }
1928 }
1929
1930 function tweetArticle(id) {
1931         try {
1932                 var query = "?op=rpc&subop=getTweetInfo&id=" + param_escape(id);
1933
1934                 console.log(query);
1935
1936                 var d = new Date();
1937       var ts = d.getTime();
1938
1939                 var w = window.open('backend.php?op=loading', 'ttrss_tweet',
1940                         "status=0,toolbar=0,location=0,width=500,height=400,scrollbars=1,menubar=0");
1941
1942                 new Ajax.Request("backend.php", {
1943                         parameters: query,
1944                         onComplete: function(transport) {
1945                                 var ti = JSON.parse(transport.responseText);
1946
1947                                 var share_url = "http://twitter.com/share?_=" + ts +
1948                                         "&text=" + param_escape(ti.title) +
1949                                         "&url=" + param_escape(ti.link);
1950
1951                                 w.location.href = share_url;
1952
1953                         } });
1954
1955
1956         } catch (e) {
1957                 exception_error("tweetArticle", e);
1958         }
1959 }
1960
1961 function editArticleNote(id) {
1962         try {
1963
1964                 var query = "backend.php?op=dlg&id=editArticleNote&param=" + param_escape(id);
1965
1966                 if (dijit.byId("editNoteDlg"))
1967                         dijit.byId("editNoteDlg").destroyRecursive();
1968
1969                 dialog = new dijit.Dialog({
1970                         id: "editNoteDlg",
1971                         title: __("Edit article note"),
1972                         style: "width: 600px",
1973                         execute: function() {
1974                                 if (this.validate()) {
1975                                         var query = dojo.objectToQuery(this.attr('value'));
1976
1977                                         notify_progress("Saving article note...", true);
1978
1979                                         new Ajax.Request("backend.php", {
1980                                         parameters: query,
1981                                         onComplete: function(transport) {
1982                                                 notify('');
1983                                                 dialog.hide();
1984
1985                                                 var reply = JSON.parse(transport.responseText);
1986
1987                                                 cache_delete("article:" + id);
1988
1989                                                 var elem = $("POSTNOTE-" + id);
1990
1991                                                 if (elem) {
1992                                                         Element.hide(elem);
1993                                                         elem.innerHTML = reply.note;
1994
1995                                                         if (reply.raw_length != 0)
1996                                                                 new Effect.Appear(elem);
1997                                                 }
1998
1999                                         }});
2000                                 }
2001                         },
2002                         href: query,
2003                 });
2004
2005                 dialog.show();
2006
2007         } catch (e) {
2008                 exception_error("editArticleNote", e);
2009         }
2010 }
2011
2012 function player(elem) {
2013         var aid = elem.getAttribute("audio-id");
2014         var status = elem.getAttribute("status");
2015
2016         var audio = $(aid);
2017
2018         if (audio) {
2019                 if (status == 0) {
2020                         audio.play();
2021                         status = 1;
2022                         elem.innerHTML = __("Playing...");
2023                         elem.title = __("Click to pause");
2024                         elem.addClassName("playing");
2025                 } else {
2026                         audio.pause();
2027                         status = 0;
2028                         elem.innerHTML = __("Play");
2029                         elem.title = __("Click to play");
2030                         elem.removeClassName("playing");
2031                 }
2032
2033                 elem.setAttribute("status", status);
2034         } else {
2035                 alert("Your browser doesn't seem to support HTML5 audio.");
2036         }
2037 }
2038
2039 function cache_set(id, obj) {
2040         //console.log("cache_set: " + id);
2041         if (has_storage)
2042                 try {
2043                         sessionStorage[id] = obj;
2044                 } catch (e) {
2045                         if (e == QUOTA_EXCEEDED_ERR)
2046                                 sessionStorage.clear();
2047                 }
2048 }
2049
2050 function cache_get(id) {
2051         if (has_storage)
2052                 return sessionStorage[id];
2053 }
2054
2055 function cache_clear() {
2056         if (has_storage)
2057                 sessionStorage.clear();
2058 }
2059
2060 function cache_delete(id) {
2061         if (has_storage)
2062                 sessionStorage.removeItem(id);
2063 }
2064
2065 function cache_headlines(feed, is_cat, toolbar_obj, content_obj) {
2066         if (toolbar_obj && content_obj) {
2067                 cache_set("feed:" + feed + ":" + is_cat,
2068                         JSON.stringify({toolbar: toolbar_obj, content: content_obj}));
2069         } else {
2070                 try {
2071                         obj =   cache_get("feed:" + feed + ":" + is_cat);
2072
2073                         if (obj) {
2074                                 obj = JSON.parse(obj);
2075
2076                                 if (toolbar_obj) obj.toolbar = toolbar_obj;
2077                                 if (content_obj) obj.content = content_obj;
2078
2079                                 cache_set("feed:" + feed + ":" + is_cat, JSON.stringify(obj));
2080                         }
2081
2082                 } catch (e) {
2083                         console.warn("cache_headlines failed: " + e);
2084                 }
2085         }
2086 }
2087
2088 function render_local_headlines(feed, is_cat, obj) {
2089         try {
2090
2091                 dijit.byId("headlines-toolbar").attr('content',
2092                         obj.toolbar);
2093
2094                 dijit.byId("headlines-frame").attr('content',
2095                         obj.content);
2096
2097                 dojo.parser.parse('headlines-toolbar');
2098
2099                 $("headlines-frame").scrollTop = 0;
2100                 selectArticles('none');
2101                 setActiveFeedId(feed, is_cat);
2102                 initHeadlinesMenu();
2103
2104                 precache_headlines();
2105
2106         } catch (e) {
2107                 exception_error("render_local_headlines", e);
2108         }
2109 }
2110
2111 function precache_headlines() {
2112         try {
2113
2114                 if (!feed_precache_timeout_id) {
2115                         feed_precache_timeout_id = window.setTimeout(function() {
2116                                 var nuf = getNextUnreadFeed(getActiveFeedId(), activeFeedIsCat());
2117                                 var nf = dijit.byId("feedTree").getNextFeed(getActiveFeedId(), activeFeedIsCat());
2118
2119                                 if (nuf && !cache_get("feed:" + nuf + ":" + activeFeedIsCat()))
2120                                         viewfeed(nuf, '', activeFeedIsCat(), 0, true);
2121
2122                                 if (nf != nuf && nf && !cache_get("feed:" + nf[0] + ":" + nf[1]))
2123                                         viewfeed(nf[0], '', nf[1], 0, true);
2124
2125                                 window.setTimeout(function() {
2126                                         feed_precache_timeout_id = false;
2127                                         }, 3000);
2128
2129                         }, 1000);
2130                 }
2131
2132         } catch (e) {
2133                 exception_error("precache_headlines", e);
2134         }
2135 }