viewfeed.js

   1 var active_post_id = false;
   2 var last_article_view = false;
   3 var active_real_feed_id = false;
   4
   5 var _cdm_wd_timeout = false;
   6 var _cdm_wd_vishist = new Array();
   7
   8 var article_cache = new Array();
   9
  10 var vgroup_last_feed = false;
  11 var post_under_pointer = false;
  12
  13 var last_requested_article = false;
  14
  15 var preload_id_batch = [];
  16 var preload_timeout_id = false;
  17
  18 var cache_added = [];
  19
  20 function headlines_callback2(transport, feed_cur_page) {
  21         try {
  22
  23                 if (!handle_rpc_reply(transport)) return;
  24
  25                 loading_set_progress(25);
  26
  27                 console.log("headlines_callback2 [page=" + feed_cur_page + "]");
  28
  29                 if (!transport_error_check(transport)) return;
  30
  31                 var is_cat = false;
  32                 var feed_id = false;
  33
  34                 if (transport.responseXML) {
  35                         var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
  36                         if (headlines) {
  37                                 is_cat = headlines.getAttribute("is_cat");
  38                                 feed_id = headlines.getAttribute("id");
  39                                 setActiveFeedId(feed_id, is_cat);
  40                         }
  41                 }
  42
  43                 var update_btn = document.forms["main_toolbar_form"].update;
  44
  45                 update_btn.disabled = !(feed_id >= 0 && !is_cat);
  46
  47                 try {
  48                         if (feed_cur_page == 0) {
  49                                 $("headlines-frame").scrollTop = 0;
  50                         }
  51                 } catch (e) { };
  52
  53                 if (transport.responseXML) {
  54                         var response = transport.responseXML;
  55
  56                         var headlines = response.getElementsByTagName("headlines")[0];
  57
  58                         var headlines_content = headlines.getElementsByTagName("content")[0];
  59                         var headlines_toolbar = headlines.getElementsByTagName("toolbar")[0];
  60
  61                         var headlines_info = response.getElementsByTagName("headlines-info")[0];
  62
  63                         if (headlines_info)
  64                                 headlines_info = JSON.parse(headlines_info.firstChild.nodeValue);
  65                         else {
  66                                 console.error("didn't find headlines-info object in response");
  67                                 return;
  68                         }
  69
  70                         var headlines_count = headlines_info.count;
  71                         var headlines_unread = headlines_info.unread;
  72                         var disable_cache = headlines_info.disable_cache;
  73
  74                         vgroup_last_feed = headlines_info.vgroup_last_feed;
  75
  76                         if (parseInt(headlines_count) < getInitParam("default_article_limit")) {
  77                                 _infscroll_disable = 1;
  78                         } else {
  79                                 _infscroll_disable = 0;
  80                         }
  81
  82                         var counters = response.getElementsByTagName("counters")[0];
  83                         var articles = response.getElementsByTagName("article");
  84                         var runtime_info = response.getElementsByTagName("runtime-info");
  85
  86                         if (feed_cur_page == 0) {
  87                                 if (headlines) {
  88                                         dijit.byId("headlines-frame").attr('content',
  89                                                 headlines_content.firstChild.nodeValue);
  90
  91                                         dijit.byId("headlines-toolbar").attr('content',
  92                                                 headlines_toolbar.firstChild.nodeValue);
  93
  94                                         initHeadlinesMenu();
  95
  96                                         var cache_prefix = "";
  97
  98                                         if (is_cat) {
  99                                                 cache_prefix = "C:";
 100                                         } else {
 101                                                 cache_prefix = "F:";
 102                                         }
 103
 104                                         cache_invalidate(cache_prefix + feed_id);
 105
 106                                         if (!disable_cache) {
 107                                                 cache_inject(cache_prefix + feed_id,
 108                                                         $("headlines-frame").innerHTML, headlines_unread);
 109                                         }
 110
 111                                 } else {
 112                                         console.warn("headlines_callback: returned no data");
 113                                         dijit.byId("headlines-frame").attr('content',
 114                                                 "<div class='whiteBox'>" +
 115                                                 __('Could not update headlines (missing XML data)') + "</div>");
 116
 117                                 }
 118                         } else {
 119                                 if (headlines) {
 120                                         if (headlines_count > 0) {
 121                                                 console.log("adding some more headlines...");
 122
 123                                                 var c = dijit.byId("headlines-frame");
 124                                                 var ids = getSelectedArticleIds2();
 125
 126                                                 //c.attr('content', c.attr('content') +
 127                                                 //      headlines_content.firstChild.nodeValue);
 128
 129                                                 $("headlines-tmp").innerHTML = headlines_content.firstChild.nodeValue;
 130
 131                                                 $$("#headlines-tmp > div").each(function(row) {
 132                                                         c.domNode.appendChild(row);
 133                                                 });
 134
 135                                                 console.log("restore selected ids: " + ids);
 136
 137                                                 for (var i = 0; i < ids.length; i++) {
 138                                                         markHeadline(ids[i]);
 139                                                 }
 140
 141                                                 initHeadlinesMenu();
 142
 143                                         } else {
 144                                                 console.log("no new headlines received");
 145                                         }
 146                                 } else {
 147                                         console.warn("headlines_callback: returned no data");
 148                                         notify_error("Error while trying to load more headlines");
 149                                 }
 150
 151                         }
 152
 153                         if (articles) {
 154                                 for (var i = 0; i < articles.length; i++) {
 155                                         var a_id = articles[i].getAttribute("id");
 156                                         //console.log("found id: " + a_id);
 157                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 158                                 }
 159                         } else {
 160                                 console.log("no cached articles received");
 161                         }
 162
 163                         if (counters)
 164                                 parse_counters(counters);
 165                         else
 166                                 request_counters();
 167
 168                 } else {
 169                         console.warn("headlines_callback: returned no XML object");
 170                         dijit.byId("headlines-frame").attr('content', "<div class='whiteBox'>" +
 171                                         __('Could not update headlines (missing XML object)') + "</div>");
 172                 }
 173
 174
 175                 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
 176
 177                 if (isCdmMode() &&
 178                                 getActiveFeedId() != -3 &&
 179                                 getInitParam("cdm_auto_catchup") == 1) {
 180                         console.log("starting CDM watchdog");
 181                         _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 182                         _cdm_wd_vishist = new Array();
 183                 } else {
 184                         console.log("not in CDM mode or watchdog disabled");
 185                 }
 186
 187                 _feed_cur_page = feed_cur_page;
 188                 _infscroll_request_sent = 0;
 189
 190                 notify("");
 191
 192         } catch (e) {
 193                 exception_error("headlines_callback2", e, transport);
 194         }
 195 }
 196
 197 function render_article(article) {
 198         try {
 199                 dijit.byId("headlines-wrap-inner").addChild(
 200                                 dijit.byId("content-insert"));
 201
 202                 var c = dijit.byId("content-insert");
 203
 204                 try {
 205                         c.domNode.scrollTop = 0;
 206                 } catch (e) { };
 207
 208                 c.attr('content', article);
 209
 210                 correctHeadlinesOffset(getActiveArticleId());
 211
 212         } catch (e) {
 213                 exception_error("render_article", e);
 214         }
 215 }
 216
 217 function showArticleInHeadlines(id) {
 218
 219         try {
 220
 221                 selectArticles("none");
 222
 223                 var crow = $("RROW-" + id);
 224
 225                 if (!crow) return;
 226
 227                 var article_is_unread = crow.hasClassName("Unread");
 228
 229                 crow.removeClassName("Unread");
 230
 231                 selectArticles('none');
 232
 233                 var upd_img_pic = $("FUPDPIC-" + id);
 234
 235                 var cache_prefix = "";
 236
 237                 if (activeFeedIsCat()) {
 238                         cache_prefix = "C:";
 239                 } else {
 240                         cache_prefix = "F:";
 241                 }
 242
 243                 var view_mode = false;
 244
 245                 try {
 246                         view_mode = document.forms['main_toolbar_form'].view_mode;
 247                         view_mode = view_mode[view_mode.selectedIndex].value;
 248                 } catch (e) {
 249                         //
 250                 }
 251
 252                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
 253                                         upd_img_pic.src.match("fresh_sign.png"))) {
 254
 255                         upd_img_pic.src = "images/blank_icon.gif";
 256
 257                         cache_invalidate(cache_prefix + getActiveFeedId());
 258
 259                         cache_inject(cache_prefix + getActiveFeedId(),
 260                                 $("headlines-frame").innerHTML,
 261                                 getFeedUnread(getActiveFeedId()));
 262
 263                 } else if (article_is_unread && view_mode == "all_articles") {
 264
 265                         cache_invalidate(cache_prefix + getActiveFeedId());
 266
 267                         cache_inject(cache_prefix + getActiveFeedId(),
 268                                 $("headlines-frame").innerHTML,
 269                                 getFeedUnread(getActiveFeedId())-1);
 270
 271                 } else if (article_is_unread) {
 272                         cache_invalidate(cache_prefix + getActiveFeedId());
 273                 }
 274
 275                 markHeadline(id);
 276
 277                 if (article_is_unread)
 278                         _force_scheduled_update = true;
 279
 280         } catch (e) {
 281                 exception_error("showArticleInHeadlines", e);
 282         }
 283 }
 284
 285 function article_callback2(transport, id) {
 286         try {
 287                 console.log("article_callback2 " + id);
 288
 289                 if (!handle_rpc_reply(transport)) return;
 290
 291                 if (transport.responseXML) {
 292
 293                         if (!transport_error_check(transport)) return;
 294
 295                         var upic = $('FUPDPIC-' + id);
 296
 297                         if (upic) {
 298                                 upic.src = 'images/blank_icon.gif';
 299                         }
 300
 301                         if (id != last_requested_article) {
 302                                 console.log("requested article id is out of sequence, aborting");
 303                                 return;
 304                         }
 305
 306 //                      active_post_id = id;
 307
 308                         //console.log("looking for articles to cache...");
 309
 310                         var articles = transport.responseXML.getElementsByTagName("article");
 311
 312                         for (var i = 0; i < articles.length; i++) {
 313                                 var a_id = articles[i].getAttribute("id");
 314
 315                                 //console.log("found id: " + a_id);
 316
 317                                 if (a_id == active_post_id) {
 318                                         //console.log("active article, rendering...");
 319                                         render_article(articles[i].firstChild.nodeValue);
 320                                 }
 321
 322                                 cache_inject(a_id, articles[i].firstChild.nodeValue);
 323                         }
 324
 325
 326 //                      showArticleInHeadlines(id);
 327
 328                         var reply = transport.responseXML.firstChild.firstChild;
 329
 330                 } else {
 331                         console.warn("article_callback: returned no XML object");
 332                         //var f = $("content-frame");
 333                         //f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 334                 }
 335
 336                 var date = new Date();
 337                 last_article_view = date.getTime() / 1000;
 338
 339                 request_counters();
 340
 341                 notify("");
 342         } catch (e) {
 343                 exception_error("article_callback2", e, transport);
 344         }
 345 }
 346
 347 function view(id) {
 348         try {
 349                 console.log("loading article: " + id);
 350
 351                 var cached_article = cache_find(id);
 352
 353                 console.log("cache check result: " + (cached_article != false));
 354
 355                 hideAuxDlg();
 356
 357                 var query = "?op=view&id=" + param_escape(id);
 358
 359                 var neighbor_ids = getRelativePostIds(active_post_id);
 360
 361                 /* only request uncached articles */
 362
 363                 var cids_to_request = Array();
 364
 365                 for (var i = 0; i < neighbor_ids.length; i++) {
 366                         if (!cache_check(neighbor_ids[i])) {
 367                                 cids_to_request.push(neighbor_ids[i]);
 368                         }
 369                 }
 370
 371                 console.log("additional ids: " + cids_to_request.toString());
 372
 373                 query = query + "&cids=" + cids_to_request.toString();
 374
 375                 var crow = $("RROW-" + id);
 376                 var article_is_unread = crow.hasClassName("Unread");
 377
 378                 active_post_id = id;
 379                 showArticleInHeadlines(id);
 380
 381                 if (!cached_article) {
 382
 383                         var upic = $('FUPDPIC-' + id);
 384
 385                         if (upic) {
 386                                 upic.src = getInitParam("sign_progress");
 387                         }
 388
 389                 } else if (cached_article && article_is_unread) {
 390
 391                         query = query + "&mode=prefetch";
 392
 393                         render_article(cached_article);
 394
 395                 } else if (cached_article) {
 396
 397                         query = query + "&mode=prefetch_old";
 398                         render_article(cached_article);
 399
 400                 }
 401
 402                 cache_expire();
 403
 404                 last_requested_article = id;
 405
 406                 new Ajax.Request("backend.php", {
 407                         parameters: query,
 408                         onComplete: function(transport) {
 409                                 article_callback2(transport, id);
 410                         } });
 411
 412                 return false;
 413
 414         } catch (e) {
 415                 exception_error("view", e);
 416         }
 417 }
 418
 419 function tMark(id) {
 420         return toggleMark(id);
 421 }
 422
 423 function tPub(id) {
 424         return togglePub(id);
 425 }
 426
 427 function toggleMark(id, client_only) {
 428         try {
 429                 var query = "?op=rpc&id=" + id + "&subop=mark";
 430
 431                 var img = $("FMPIC-" + id);
 432
 433                 if (!img) return;
 434
 435                 if (img.src.match("mark_unset")) {
 436                         img.src = img.src.replace("mark_unset", "mark_set");
 437                         img.alt = __("Unstar article");
 438                         query = query + "&mark=1";
 439
 440                 } else {
 441                         img.src = img.src.replace("mark_set", "mark_unset");
 442                         img.alt = __("Star article");
 443                         query = query + "&mark=0";
 444                 }
 445
 446                 if (!client_only) {
 447                         new Ajax.Request("backend.php", {
 448                                 parameters: query,
 449                                 onComplete: function(transport) {
 450                                         handle_rpc_json(transport);
 451                                 } });
 452                 }
 453
 454         } catch (e) {
 455                 exception_error("toggleMark", e);
 456         }
 457 }
 458
 459 function togglePub(id, client_only, no_effects, note) {
 460         try {
 461                 var query = "?op=rpc&id=" + id + "&subop=publ";
 462
 463                 if (note != undefined) {
 464                         query = query + "&note=" + param_escape(note);
 465                 } else {
 466                         query = query + "&note=undefined";
 467                 }
 468
 469                 var img = $("FPPIC-" + id);
 470
 471                 if (!img) return;
 472
 473                 if (img.src.match("pub_unset") || note != undefined) {
 474                         img.src = img.src.replace("pub_unset", "pub_set");
 475                         img.alt = __("Unpublish article");
 476                         query = query + "&pub=1";
 477
 478                 } else {
 479                         img.src = img.src.replace("pub_set", "pub_unset");
 480                         img.alt = __("Publish article");
 481
 482                         query = query + "&pub=0";
 483                 }
 484
 485                 if (!client_only) {
 486                         new Ajax.Request("backend.php", {
 487                                 parameters: query,
 488                                 onComplete: function(transport) {
 489                                         handle_rpc_reply(transport);
 490
 491                                         var note = transport.responseXML.getElementsByTagName("note")[0];
 492
 493                                         if (note) {
 494                                                 var note_id = note.getAttribute("id");
 495                                                 var note_size = note.getAttribute("size");
 496                                                 var note_content = note.firstChild.nodeValue;
 497
 498                                                 var container = $('POSTNOTE-' + note_id);
 499
 500                                                 cache_invalidate(note_id);
 501
 502                                                 if (container) {
 503                                                         if (note_size == "0") {
 504                                                                 Element.hide(container);
 505                                                         } else {
 506                                                                 container.innerHTML = note_content;
 507                                                                 Element.show(container);
 508                                                         }
 509                                                 }
 510                                         }
 511
 512                                 } });
 513                 }
 514
 515         } catch (e) {
 516                 exception_error("togglePub", e);
 517         }
 518 }
 519
 520 function moveToPost(mode) {
 521
 522         try {
 523
 524                 var rows = getVisibleArticleIds();
 525
 526                 var prev_id = false;
 527                 var next_id = false;
 528
 529                 if (!$('RROW-' + active_post_id)) {
 530                         active_post_id = false;
 531                 }
 532
 533                 if (active_post_id == false) {
 534                         next_id = getFirstVisibleHeadlineId();
 535                         prev_id = getLastVisibleHeadlineId();
 536                 } else {
 537                         for (var i = 0; i < rows.length; i++) {
 538                                 if (rows[i] == active_post_id) {
 539                                         prev_id = rows[i-1];
 540                                         next_id = rows[i+1];
 541                                 }
 542                         }
 543                 }
 544
 545                 if (mode == "next") {
 546                         if (next_id) {
 547                                 if (isCdmMode()) {
 548
 549                                         cdmExpandArticle(next_id);
 550                                         cdmScrollToArticleId(next_id);
 551
 552                                 } else {
 553                                         correctHeadlinesOffset(next_id);
 554                                         view(next_id, getActiveFeedId());
 555                                 }
 556                         }
 557                 }
 558
 559                 if (mode == "prev") {
 560                         if (prev_id) {
 561                                 if (isCdmMode()) {
 562                                         cdmExpandArticle(prev_id);
 563                                         cdmScrollToArticleId(prev_id);
 564                                 } else {
 565                                         correctHeadlinesOffset(prev_id);
 566                                         view(prev_id, getActiveFeedId());
 567                                 }
 568                         }
 569                 }
 570
 571         } catch (e) {
 572                 exception_error("moveToPost", e);
 573         }
 574 }
 575
 576 function toggleSelected(id, force_on) {
 577         try {
 578
 579                 var cb = $("RCHK-" + id);
 580                 var row = $("RROW-" + id);
 581
 582                 if (row) {
 583                         if (row.hasClassName('Selected') && !force_on) {
 584                                 row.removeClassName('Selected');
 585                                 if (cb) cb.checked = false;
 586                         } else {
 587                                 row.addClassName('Selected');
 588                                 if (cb) cb.checked = true;
 589                         }
 590                 }
 591         } catch (e) {
 592                 exception_error("toggleSelected", e);
 593         }
 594 }
 595
 596 function toggleUnread_afh(effect) {
 597         try {
 598
 599                 var elem = effect.element;
 600                 elem.style.backgroundColor = "";
 601
 602         } catch (e) {
 603                 exception_error("toggleUnread_afh", e);
 604         }
 605 }
 606
 607 function toggleUnread(id, cmode, effect) {
 608         try {
 609
 610                 var row = $("RROW-" + id);
 611                 if (row) {
 612                         if (cmode == undefined || cmode == 2) {
 613                                 if (row.hasClassName("Unread")) {
 614                                         row.removeClassName("Unread");
 615
 616                                         if (effect) {
 617                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 618                                                         afterFinish: toggleUnread_afh,
 619                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 620                                         }
 621
 622                                 } else {
 623                                         row.addClassName("Unread");
 624                                 }
 625
 626                         } else if (cmode == 0) {
 627
 628                                 row.removeClassName("Unread");
 629
 630                                 if (effect) {
 631                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 632                                                 afterFinish: toggleUnread_afh,
 633                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 634                                 }
 635
 636                         } else if (cmode == 1) {
 637                                 row.addClassName("Unread");
 638                         }
 639
 640                         if (cmode == undefined) cmode = 2;
 641
 642                         var query = "?op=rpc&subop=catchupSelected" +
 643                                 "&cmode=" + param_escape(cmode) + "&ids=" + param_escape(id);
 644
 645 //                      notify_progress("Loading, please wait...");
 646
 647                         new Ajax.Request("backend.php", {
 648                                 parameters: query,
 649                                 onComplete: function(transport) {
 650                                         handle_rpc_json(transport);
 651                                 } });
 652
 653                 }
 654
 655         } catch (e) {
 656                 exception_error("toggleUnread", e);
 657         }
 658 }
 659
 660 function selectionRemoveLabel(id, ids) {
 661         try {
 662
 663                 if (!ids) var ids = getSelectedArticleIds2();
 664
 665                 if (ids.length == 0) {
 666                         alert(__("No articles are selected."));
 667                         return;
 668                 }
 669
 670 //              var ok = confirm(__("Remove selected articles from label?"));
 671
 672 //              if (ok) {
 673
 674                         var query = "?op=rpc&subop=removeFromLabel&ids=" +
 675                                 param_escape(ids.toString()) + "&lid=" + param_escape(id);
 676
 677                         console.log(query);
 678
 679 //                      notify_progress("Loading, please wait...");
 680
 681                         cache_invalidate("F:" + (-11 - id));
 682
 683                         new Ajax.Request("backend.php", {
 684                                 parameters: query,
 685                                 onComplete: function(transport) {
 686                                         show_labels_in_headlines(transport);
 687                                         handle_rpc_reply(transport);
 688                                 } });
 689
 690 //              }
 691
 692         } catch (e) {
 693                 exception_error("selectionAssignLabel", e);
 694
 695         }
 696 }
 697
 698 function selectionAssignLabel(id, ids) {
 699         try {
 700
 701                 if (!ids) ids = getSelectedArticleIds2();
 702
 703                 if (ids.length == 0) {
 704                         alert(__("No articles are selected."));
 705                         return;
 706                 }
 707
 708 //              var ok = confirm(__("Assign selected articles to label?"));
 709
 710 //              if (ok) {
 711
 712                         cache_invalidate("F:" + (-11 - id));
 713
 714                         var query = "?op=rpc&subop=assignToLabel&ids=" +
 715                                 param_escape(ids.toString()) + "&lid=" + param_escape(id);
 716
 717                         console.log(query);
 718
 719 //                      notify_progress("Loading, please wait...");
 720
 721                         new Ajax.Request("backend.php", {
 722                                 parameters: query,
 723                                 onComplete: function(transport) {
 724                                         show_labels_in_headlines(transport);
 725                                         handle_rpc_reply(transport);
 726                                 } });
 727
 728 //              }
 729
 730         } catch (e) {
 731                 exception_error("selectionAssignLabel", e);
 732
 733         }
 734 }
 735
 736 function selectionToggleUnread(set_state, callback, no_error) {
 737         try {
 738                 var rows = getSelectedArticleIds2();
 739
 740                 if (rows.length == 0 && !no_error) {
 741                         alert(__("No articles are selected."));
 742                         return;
 743                 }
 744
 745                 for (i = 0; i < rows.length; i++) {
 746                         var row = $("RROW-" + rows[i]);
 747                         if (row) {
 748                                 if (set_state == undefined) {
 749                                         if (row.hasClassName("Unread")) {
 750                                                 row.removeClassName("Unread");
 751                                         } else {
 752                                                 row.addClassName("Unread");
 753                                         }
 754                                 }
 755
 756                                 if (set_state == false) {
 757                                         row.removeClassName("Unread");
 758                                 }
 759
 760                                 if (set_state == true) {
 761                                         row.addClassName("Unread");
 762                                 }
 763                         }
 764                 }
 765
 766                 if (rows.length > 0) {
 767
 768                         var cmode = "";
 769
 770                         if (set_state == undefined) {
 771                                 cmode = "2";
 772                         } else if (set_state == true) {
 773                                 cmode = "1";
 774                         } else if (set_state == false) {
 775                                 cmode = "0";
 776                         }
 777
 778                         var query = "?op=rpc&subop=catchupSelected" +
 779                                 "&cmode=" + cmode + "&ids=" + param_escape(rows.toString());
 780
 781                         notify_progress("Loading, please wait...");
 782
 783                         new Ajax.Request("backend.php", {
 784                                 parameters: query,
 785                                 onComplete: function(transport) {
 786                                         handle_rpc_json(transport);
 787                                         if (callback) callback(transport);
 788                                 } });
 789
 790                 }
 791
 792         } catch (e) {
 793                 exception_error("selectionToggleUnread", e);
 794         }
 795 }
 796
 797 function selectionToggleMarked() {
 798         try {
 799
 800                 var rows = getSelectedArticleIds2();
 801
 802                 if (rows.length == 0) {
 803                         alert(__("No articles are selected."));
 804                         return;
 805                 }
 806
 807                 for (i = 0; i < rows.length; i++) {
 808                         toggleMark(rows[i], true, true);
 809                 }
 810
 811                 if (rows.length > 0) {
 812
 813                         var query = "?op=rpc&subop=markSelected&ids=" +
 814                                 param_escape(rows.toString()) + "&cmode=2";
 815
 816                         new Ajax.Request("backend.php", {
 817                                 parameters: query,
 818                                 onComplete: function(transport) {
 819                                         handle_rpc_json(transport);
 820                                 } });
 821
 822                 }
 823
 824         } catch (e) {
 825                 exception_error("selectionToggleMarked", e);
 826         }
 827 }
 828
 829 function selectionTogglePublished() {
 830         try {
 831
 832                 var rows = getSelectedArticleIds2();
 833
 834                 if (rows.length == 0) {
 835                         alert(__("No articles are selected."));
 836                         return;
 837                 }
 838
 839                 for (i = 0; i < rows.length; i++) {
 840                         togglePub(rows[i], true, true);
 841                 }
 842
 843                 if (rows.length > 0) {
 844
 845                         var query = "?op=rpc&subop=publishSelected&ids=" +
 846                                 param_escape(rows.toString()) + "&cmode=2";
 847
 848                         new Ajax.Request("backend.php", {
 849                                 parameters: query,
 850                                 onComplete: function(transport) {
 851                                         handle_rpc_json(transport);
 852                                 } });
 853
 854                 }
 855
 856         } catch (e) {
 857                 exception_error("selectionToggleMarked", e);
 858         }
 859 }
 860
 861 function getSelectedArticleIds2() {
 862
 863         var rv = [];
 864
 865         $$("#headlines-frame > div[id*=RROW][class*=Selected]").each(
 866                 function(child) {
 867                         rv.push(child.id.replace("RROW-", ""));
 868                 });
 869
 870         return rv;
 871 }
 872
 873 function getLoadedArticleIds() {
 874         var rv = [];
 875
 876         var children = $$("#headlines-frame > div[id*=RROW-]");
 877
 878         children.each(function(child) {
 879                         rv.push(child.id.replace("RROW-", ""));
 880                 });
 881
 882         return rv;
 883
 884 }
 885
 886 // mode = all,none,unread,invert
 887 function selectArticles(mode) {
 888         try {
 889
 890                 var children = $$("#headlines-frame > div[id*=RROW]");
 891
 892                 children.each(function(child) {
 893                         var id = child.id.replace("RROW-", "");
 894                         var cb = $("RCHK-" + id);
 895
 896                         if (mode == "all") {
 897                                 child.addClassName("Selected");
 898                                 cb.checked = true;
 899                         } else if (mode == "unread") {
 900                                 if (child.hasClassName("Unread")) {
 901                                         child.addClassName("Selected");
 902                                         cb.checked = true;
 903                                 } else {
 904                                         child.removeClassName("Selected");
 905                                         cb.checked = false;
 906                                 }
 907                         } else if (mode == "invert") {
 908                                 if (child.hasClassName("Selected")) {
 909                                         child.removeClassName("Selected");
 910                                         cb.checked = false;
 911                                 } else {
 912                                         child.addClassName("Selected");
 913                                         cb.checked = true;
 914                                 }
 915
 916                         } else {
 917                                 child.removeClassName("Selected");
 918                                 cb.checked = false;
 919                         }
 920                 });
 921
 922         } catch (e) {
 923                 exception_error("selectArticles", e);
 924         }
 925 }
 926
 927 function catchupPage() {
 928
 929         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 930
 931         var str = __("Mark all visible articles in %s as read?");
 932
 933         str = str.replace("%s", fn);
 934
 935         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 936                 return;
 937         }
 938
 939         selectArticles('all');
 940         selectionToggleUnread(false, 'viewCurrentFeed()', true)
 941         selectArticles('none');
 942 }
 943
 944 function deleteSelection() {
 945
 946         try {
 947
 948                 var rows = getSelectedArticleIds2();
 949
 950                 if (rows.length == 0) {
 951                         alert(__("No articles are selected."));
 952                         return;
 953                 }
 954
 955                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
 956                 var str;
 957                 var op;
 958
 959                 if (getActiveFeedId() != 0) {
 960                         str = __("Delete %d selected articles in %s?");
 961                 } else {
 962                         str = __("Delete %d selected articles?");
 963                 }
 964
 965                 str = str.replace("%d", rows.length);
 966                 str = str.replace("%s", fn);
 967
 968                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 969                         return;
 970                 }
 971
 972                 query = "?op=rpc&subop=delete&ids=" + param_escape(rows);
 973
 974                 console.log(query);
 975
 976                 new Ajax.Request("backend.php", {
 977                         parameters: query,
 978                         onComplete: function(transport) {
 979                                         handle_rpc_json(transport);
 980                                         viewCurrentFeed();
 981                                 } });
 982
 983         } catch (e) {
 984                 exception_error("deleteSelection", e);
 985         }
 986 }
 987
 988 function archiveSelection() {
 989
 990         try {
 991
 992                 var rows = getSelectedArticleIds2();
 993
 994                 if (rows.length == 0) {
 995                         alert(__("No articles are selected."));
 996                         return;
 997                 }
 998
 999                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1000                 var str;
1001                 var op;
1002
1003                 if (getActiveFeedId() != 0) {
1004                         str = __("Archive %d selected articles in %s?");
1005                         op = "archive";
1006                 } else {
1007                         str = __("Move %d archived articles back?");
1008                         op = "unarchive";
1009                 }
1010
1011                 str = str.replace("%d", rows.length);
1012                 str = str.replace("%s", fn);
1013
1014                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1015                         return;
1016                 }
1017
1018                 query = "?op=rpc&subop="+op+"&ids=" + param_escape(rows);
1019
1020                 console.log(query);
1021
1022                 for (var i = 0; i < rows.length; i++) {
1023                         cache_invalidate(rows[i]);
1024                 }
1025
1026                 new Ajax.Request("backend.php", {
1027                         parameters: query,
1028                         onComplete: function(transport) {
1029                                         handle_rpc_json(transport);
1030                                         viewCurrentFeed();
1031                                 } });
1032
1033         } catch (e) {
1034                 exception_error("archiveSelection", e);
1035         }
1036 }
1037
1038 function catchupSelection() {
1039
1040         try {
1041
1042                 var rows = getSelectedArticleIds2();
1043
1044                 if (rows.length == 0) {
1045                         alert(__("No articles are selected."));
1046                         return;
1047                 }
1048
1049                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1050
1051                 var str = __("Mark %d selected articles in %s as read?");
1052
1053                 str = str.replace("%d", rows.length);
1054                 str = str.replace("%s", fn);
1055
1056                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1057                         return;
1058                 }
1059
1060                 selectionToggleUnread(false, 'viewCurrentFeed()', true)
1061
1062         } catch (e) {
1063                 exception_error("catchupSelection", e);
1064         }
1065 }
1066
1067 function editArticleTags(id) {
1068 /*      displayDlg('editArticleTags', id,
1069                            function () {
1070                                         $("tags_str").focus();
1071
1072                                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1073                                            "backend.php?op=rpc&subop=completeTags",
1074                                            { tokens: ',', paramName: "search" });
1075                            }); */
1076
1077                 var query = "backend.php?op=dlg&id=editArticleTags&param=" + param_escape(id);
1078
1079                 if (dijit.byId("editTagsDlg"))
1080                         dijit.byId("editTagsDlg").destroyRecursive();
1081
1082                 dialog = new dijit.Dialog({
1083                         id: "editTagsDlg",
1084                         title: __("Edit article Tags"),
1085                         style: "width: 600px",
1086                         execute: function() {
1087                                 if (this.validate()) {
1088                                         var query = dojo.objectToQuery(this.attr('value'));
1089
1090                                         notify_progress("Saving article tags...", true);
1091
1092                                         new Ajax.Request("backend.php", {
1093                                         parameters: query,
1094                                         onComplete: function(transport) {
1095                                                 notify('');
1096                                                 dialog.hide();
1097
1098                                                 if (transport.responseXML) {
1099                                                         var tags_str = transport.responseXML.getElementsByTagName("tags-str")[0];
1100
1101                                                         if (tags_str) {
1102                                                                 var id = tags_str.getAttribute("id");
1103
1104                                                                 if (id) {
1105                                                                         var tags = $("ATSTR-" + id);
1106                                                                         if (tags) {
1107                                                                                 tags.innerHTML = tags_str.firstChild.nodeValue;
1108                                                                         }
1109
1110                                                                         cache_invalidate(id);
1111                                                                 }
1112                                                         }
1113                                                 }
1114
1115                                         }});
1116                                 }
1117                         },
1118                         href: query,
1119                 });
1120
1121                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1122                 dojo.disconnect(tmph);
1123
1124                         new Ajax.Autocompleter('tags_str', 'tags_choices',
1125                            "backend.php?op=rpc&subop=completeTags",
1126                            { tokens: ',', paramName: "search" });
1127                 });
1128
1129                 dialog.show();
1130
1131 }
1132
1133 function cdmScrollToArticleId(id) {
1134         try {
1135                 var ctr = $("headlines-frame");
1136                 var e = $("RROW-" + id);
1137
1138                 if (!e || !ctr) return;
1139
1140                 ctr.scrollTop = e.offsetTop;
1141
1142         } catch (e) {
1143                 exception_error("cdmScrollToArticleId", e);
1144         }
1145 }
1146
1147 function cdmWatchdog() {
1148
1149         try {
1150
1151                 var ctr = $("headlines-frame");
1152
1153                 if (!ctr) return;
1154
1155                 var ids = new Array();
1156
1157                 var e = ctr.firstChild;
1158
1159                 while (e) {
1160                         if (e.className && e.hasClassName("Unread") && e.id &&
1161                                         e.id.match("RROW-")) {
1162
1163                                 // article fits in viewport OR article is longer than viewport and
1164                                 // its bottom is visible
1165
1166                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1167                                                 ctr.scrollTop + ctr.offsetHeight) {
1168
1169 //                                      console.log(e.id + " is visible " + e.offsetTop + "." +
1170 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1171 //                                              (ctr.scrollTop + ctr.offsetHeight));
1172
1173                                         ids.push(e.id.replace("RROW-", ""));
1174
1175                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1176                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1177                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1178
1179                                         ids.push(e.id.replace("RROW-", ""));
1180
1181                                 }
1182
1183                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1184
1185 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1186                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1187
1188                                         ids.push(e.id.replace("RROW-", ""));
1189
1190                                 } */
1191
1192                         }
1193
1194                         e = e.nextSibling;
1195                 }
1196
1197                 console.log("cdmWatchdog, ids= " + ids.toString());
1198
1199                 if (ids.length > 0) {
1200
1201                         for (var i = 0; i < ids.length; i++) {
1202                                 var e = $("RROW-" + ids[i]);
1203                                 if (e) {
1204                                         e.removeClassName("Unread");
1205                                 }
1206                         }
1207
1208                         var query = "?op=rpc&subop=catchupSelected" +
1209                                 "&cmode=0" + "&ids=" + param_escape(ids.toString());
1210
1211                         new Ajax.Request("backend.php", {
1212                                 parameters: query,
1213                                 onComplete: function(transport) {
1214                                         handle_rpc_json(transport);
1215                                 } });
1216
1217                 }
1218
1219                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1220
1221         } catch (e) {
1222                 exception_error("cdmWatchdog", e);
1223         }
1224
1225 }
1226
1227
1228 function cache_inject(id, article, param) {
1229
1230         try {
1231                 if (!cache_check_param(id, param)) {
1232                         //console.log("cache_article: miss: " + id + " [p=" + param + "]");
1233
1234                    var date = new Date();
1235               var ts = Math.round(date.getTime() / 1000);
1236
1237                         var cache_obj = {};
1238
1239                         cache_obj["id"] = id;
1240                         cache_obj["data"] = article;
1241                         cache_obj["param"] = param;
1242
1243                         if (param) id = id + ":" + param;
1244
1245                         cache_added["TS:" + id] = ts;
1246
1247                         if (has_local_storage())
1248                                 sessionStorage.setItem(id, JSON.stringify(cache_obj));
1249                         else
1250                                 article_cache.push(cache_obj);
1251
1252                 } else {
1253                         //console.log("cache_article: hit: " + id + " [p=" + param + "]");
1254                 }
1255         } catch (e) {
1256                 exception_error("cache_inject", e);
1257         }
1258 }
1259
1260 function cache_find(id) {
1261
1262         if (has_local_storage()) {
1263                 var cache_obj = sessionStorage.getItem(id);
1264
1265                 if (cache_obj) {
1266                         cache_obj = JSON.parse(cache_obj);
1267
1268                         if (cache_obj)
1269                                 return cache_obj['data'];
1270                 }
1271
1272         } else {
1273                 for (var i = 0; i < article_cache.length; i++) {
1274                         if (article_cache[i]["id"] == id) {
1275                                 return article_cache[i]["data"];
1276                         }
1277                 }
1278         }
1279         return false;
1280 }
1281
1282 function cache_find_param(id, param) {
1283
1284         if (has_local_storage()) {
1285
1286                 if (param) id = id + ":" + param;
1287
1288                 var cache_obj = sessionStorage.getItem(id);
1289
1290                 if (cache_obj) {
1291                         cache_obj = JSON.parse(cache_obj);
1292
1293                         if (cache_obj)
1294                                 return cache_obj['data'];
1295                 }
1296
1297         } else {
1298                 for (var i = 0; i < article_cache.length; i++) {
1299                         if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1300                                 return article_cache[i]["data"];
1301                         }
1302                 }
1303         }
1304
1305         return false;
1306 }
1307
1308 function cache_check(id) {
1309         if (has_local_storage()) {
1310                 if (sessionStorage.getItem(id))
1311                         return true;
1312         } else {
1313                 for (var i = 0; i < article_cache.length; i++) {
1314                         if (article_cache[i]["id"] == id) {
1315                                 return true;
1316                         }
1317                 }
1318         }
1319         return false;
1320 }
1321
1322 function cache_check_param(id, param) {
1323         if (has_local_storage()) {
1324
1325                 if (param) id = id + ":" + param;
1326
1327                 if (sessionStorage.getItem(id))
1328                         return true;
1329
1330         } else {
1331                 for (var i = 0; i < article_cache.length; i++) {
1332                         if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1333                                 return true;
1334                         }
1335                 }
1336         }
1337         return false;
1338 }
1339
1340 function cache_expire() {
1341 if (has_local_storage()) {
1342
1343                 var date = new Date();
1344                 var timestamp = Math.round(date.getTime() / 1000);
1345
1346                 for (var i = 0; i < sessionStorage.length; i++) {
1347
1348                         var id = sessionStorage.key(i);
1349
1350                         if (timestamp - cache_added["TS:" + id] > 180) {
1351                                 sessionStorage.removeItem(id);
1352                         }
1353                 }
1354
1355         } else {
1356                 while (article_cache.length > 25) {
1357                         article_cache.shift();
1358                 }
1359         }
1360 }
1361
1362 function cache_flush() {
1363         if (has_local_storage()) {
1364                 sessionStorage.clear();
1365         } else {
1366                 article_cache = new Array();
1367         }
1368 }
1369
1370 function cache_invalidate(id) {
1371         try {
1372                 if (has_local_storage()) {
1373
1374                         var found = false;
1375
1376                         for (var i = 0; i < sessionStorage.length; i++) {
1377                                 var key = sessionStorage.key(i);
1378
1379 //                                      console.warn("cache_invalidate: " + key_id + " cmp " + id);
1380
1381                                 if (key == id || key.indexOf(id + ":") == 0) {
1382                                         sessionStorage.removeItem(key);
1383                                         found = true;
1384                                         break;
1385                                 }
1386                         }
1387
1388                         return found;
1389
1390                 } else {
1391                         var i = 0
1392
1393                         while (i < article_cache.length) {
1394                                 if (article_cache[i]["id"] == id) {
1395                                         //console.log("cache_invalidate: removed id " + id);
1396                                         article_cache.splice(i, 1);
1397                                         return true;
1398                                 }
1399                                 i++;
1400                         }
1401                 }
1402
1403                 //console.log("cache_invalidate: id not found: " + id);
1404                 return false;
1405         } catch (e) {
1406                 exception_error("cache_invalidate", e);
1407         }
1408 }
1409
1410 function getActiveArticleId() {
1411         return active_post_id;
1412 }
1413
1414 function preloadBatchedArticles() {
1415         try {
1416
1417                 var query = "?op=rpc&subop=getArticles&ids=" +
1418                         preload_id_batch.toString();
1419
1420                 new Ajax.Request("backend.php", {
1421                         parameters: query,
1422                         onComplete: function(transport) {
1423
1424                                 preload_id_batch = [];
1425
1426                                 var articles = transport.responseXML.getElementsByTagName("article");
1427
1428                                 for (var i = 0; i < articles.length; i++) {
1429                                         var id = articles[i].getAttribute("id");
1430                                         if (!cache_check(id)) {
1431                                                 cache_inject(id, articles[i].firstChild.nodeValue);
1432                                                 console.log("preloaded article: " + id);
1433                                         }
1434                                 }
1435                 } });
1436
1437         } catch (e) {
1438                 exception_error("preloadBatchedArticles", e);
1439         }
1440 }
1441
1442 function preloadArticleUnderPointer(id) {
1443         try {
1444                 if (getInitParam("bw_limit") == "1") return;
1445
1446                 if (post_under_pointer == id && !cache_check(id)) {
1447
1448                         console.log("trying to preload article " + id);
1449
1450                         var neighbor_ids = getRelativePostIds(id, 1);
1451
1452                         /* only request uncached articles */
1453
1454                         if (preload_id_batch.indexOf(id) == -1) {
1455                                 for (var i = 0; i < neighbor_ids.length; i++) {
1456                                         if (!cache_check(neighbor_ids[i])) {
1457                                                 preload_id_batch.push(neighbor_ids[i]);
1458                                         }
1459                                 }
1460                         }
1461
1462                         if (preload_id_batch.indexOf(id) == -1)
1463                                 preload_id_batch.push(id);
1464
1465                         //console.log("preload ids batch: " + preload_id_batch.toString());
1466
1467                         window.clearTimeout(preload_timeout_id);
1468                         preload_batch_timeout_id = window.setTimeout('preloadBatchedArticles()', 1000);
1469
1470                 }
1471         } catch (e) {
1472                 exception_error("preloadArticleUnderPointer", e);
1473         }
1474 }
1475
1476 function postMouseIn(id) {
1477         try {
1478                 if (post_under_pointer != id) {
1479                         post_under_pointer = id;
1480                         if (!isCdmMode()) {
1481                                 window.setTimeout("preloadArticleUnderPointer(" + id + ")", 250);
1482                         }
1483                 }
1484
1485         } catch (e) {
1486                 exception_error("postMouseIn", e);
1487         }
1488 }
1489
1490 function postMouseOut(id) {
1491         try {
1492                 post_under_pointer = false;
1493         } catch (e) {
1494                 exception_error("postMouseOut", e);
1495         }
1496 }
1497
1498 function headlines_scroll_handler(e) {
1499         try {
1500
1501                 if (e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
1502                         if (!_infscroll_disable) {
1503                                 viewNextFeedPage();
1504                         }
1505                 }
1506
1507         } catch (e) {
1508                 exception_error("headlines_scroll_handler", e);
1509         }
1510 }
1511
1512 function catchupRelativeToArticle(below) {
1513
1514         try {
1515
1516
1517                 if (!getActiveArticleId()) {
1518                         alert(__("No article is selected."));
1519                         return;
1520                 }
1521
1522                 var visible_ids = getVisibleArticleIds();
1523
1524                 var ids_to_mark = new Array();
1525
1526                 if (!below) {
1527                         for (var i = 0; i < visible_ids.length; i++) {
1528                                 if (visible_ids[i] != getActiveArticleId()) {
1529                                         var e = $("RROW-" + visible_ids[i]);
1530
1531                                         if (e && e.hasClassName("Unread")) {
1532                                                 ids_to_mark.push(visible_ids[i]);
1533                                         }
1534                                 } else {
1535                                         break;
1536                                 }
1537                         }
1538                 } else {
1539                         for (var i = visible_ids.length-1; i >= 0; i--) {
1540                                 if (visible_ids[i] != getActiveArticleId()) {
1541                                         var e = $("RROW-" + visible_ids[i]);
1542
1543                                         if (e && e.hasClassName("Unread")) {
1544                                                 ids_to_mark.push(visible_ids[i]);
1545                                         }
1546                                 } else {
1547                                         break;
1548                                 }
1549                         }
1550                 }
1551
1552                 if (ids_to_mark.length == 0) {
1553                         alert(__("No articles found to mark"));
1554                 } else {
1555                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1556
1557                         if (getInitParam("confirm_feed_catchup") != 1 || confirm(msg)) {
1558
1559                                 for (var i = 0; i < ids_to_mark.length; i++) {
1560                                         var e = $("RROW-" + ids_to_mark[i]);
1561                                         e.removeClassName("Unread");
1562                                 }
1563
1564                                 var query = "?op=rpc&subop=catchupSelected" +
1565                                         "&cmode=0" + "&ids=" + param_escape(ids_to_mark.toString());
1566
1567                                 new Ajax.Request("backend.php", {
1568                                         parameters: query,
1569                                         onComplete: function(transport) {
1570                                                 handle_rpc_json(transport);
1571                                         } });
1572
1573                         }
1574                 }
1575
1576         } catch (e) {
1577                 exception_error("catchupRelativeToArticle", e);
1578         }
1579 }
1580
1581 function cdmExpandArticle(id) {
1582         try {
1583
1584                 hideAuxDlg();
1585
1586                 var elem = $("CICD-" + active_post_id);
1587
1588                 var upd_img_pic = $("FUPDPIC-" + id);
1589
1590                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
1591                                 upd_img_pic.src.match("fresh_sign.png"))) {
1592
1593                         upd_img_pic.src = "images/blank_icon.gif";
1594                 }
1595
1596                 if (id == active_post_id && Element.visible(elem))
1597                         return true;
1598
1599                 selectArticles("none");
1600
1601                 var old_offset = $("RROW-" + id).offsetTop;
1602
1603                 if (active_post_id && elem && !getInitParam("cdm_expanded")) {
1604                         Element.hide(elem);
1605                         Element.show("CEXC-" + active_post_id);
1606                 }
1607
1608                 active_post_id = id;
1609
1610                 elem = $("CICD-" + id);
1611
1612                 if (!Element.visible(elem)) {
1613                         Element.show(elem);
1614                         Element.hide("CEXC-" + id);
1615
1616                         if ($("CWRAP-" + id).innerHTML == "") {
1617
1618                                 $("FUPDPIC-" + id).src = "images/indicator_tiny.gif";
1619
1620                                 $("CWRAP-" + id).innerHTML = "<div class=\"insensitive\">" +
1621                                         __("Loading, please wait...") + "</div>";
1622
1623                                 var query = "?op=rpc&subop=cdmGetArticle&id=" + param_escape(id);
1624
1625                                 //console.log(query);
1626
1627                                 new Ajax.Request("backend.php", {
1628                                         parameters: query,
1629                                         onComplete: function(transport) {
1630                                                 $("FUPDPIC-" + id).src = 'images/blank_icon.gif';
1631
1632                                                 handle_rpc_json(transport);
1633
1634                                                 var reply = JSON.parse(transport.responseText);
1635
1636                                                 if (reply) {
1637                                                         var article = reply['article']['content'];
1638                                                         var recv_id = reply['article']['id'];
1639
1640                                                         if (recv_id == id)
1641                                                                 $("CWRAP-" + id).innerHTML = article;
1642
1643                                                 } else {
1644                                                         $("CWRAP-" + id).innerHTML = __("Unable to load article.");
1645
1646                                                 }
1647                                 }});
1648
1649                         }
1650                 }
1651
1652                 var new_offset = $("RROW-" + id).offsetTop;
1653
1654                 $("headlines-frame").scrollTop += (new_offset-old_offset);
1655
1656                 if ($("RROW-" + id).offsetTop != old_offset)
1657                         $("headlines-frame").scrollTop = new_offset;
1658
1659                 toggleUnread(id, 0, true);
1660                 toggleSelected(id);
1661
1662         } catch (e) {
1663                 exception_error("cdmExpandArticle", e);
1664         }
1665
1666         return false;
1667 }
1668
1669 function fixHeadlinesOrder(ids) {
1670         try {
1671                 for (var i = 0; i < ids.length; i++) {
1672                         var e = $("RROW-" + ids[i]);
1673
1674                         if (e) {
1675                                 if (i % 2 == 0) {
1676                                         e.removeClassName("even");
1677                                         e.addClassName("odd");
1678                                 } else {
1679                                         e.removeClassName("odd");
1680                                         e.addClassName("even");
1681                                 }
1682                         }
1683                 }
1684         } catch (e) {
1685                 exception_error("fixHeadlinesOrder", e);
1686         }
1687 }
1688
1689 function getArticleUnderPointer() {
1690         return post_under_pointer;
1691 }
1692
1693 function zoomToArticle(event, id) {
1694         try {
1695                 var cached_article = cache_find(id);
1696
1697                 if (dijit.byId("ATAB-" + id))
1698                         if (!event || !event.shiftKey)
1699                                 return dijit.byId("content-tabs").selectChild(dijit.byId("ATAB-" + id));
1700
1701                 if (cached_article) {
1702                         //closeArticlePanel();
1703
1704                         var article_pane = new dijit.layout.ContentPane({
1705                                 title: __("Loading...") , content: cached_article,
1706                                 style: 'padding : 0px;',
1707                                 id: 'ATAB-' + id,
1708                                 closable: true });
1709
1710                         dijit.byId("content-tabs").addChild(article_pane);
1711
1712                         if (!event || !event.shiftKey)
1713                                 dijit.byId("content-tabs").selectChild(article_pane);
1714
1715                         if ($("PTITLE-" + id))
1716                                 article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1717
1718                 } else {
1719
1720                         var query = "?op=rpc&subop=getArticles&ids=" + param_escape(id);
1721
1722                         notify_progress("Loading, please wait...", true);
1723
1724                         new Ajax.Request("backend.php", {
1725                                 parameters: query,
1726                                 onComplete: function(transport) {
1727                                         notify('');
1728
1729                                         if (transport.responseXML) {
1730                                                 //closeArticlePanel();
1731
1732                                                 var article = transport.responseXML.getElementsByTagName("article")[0];
1733                                                 var content = article.firstChild.nodeValue;
1734
1735                                                 var article_pane = new dijit.layout.ContentPane({
1736                                                         title: "article-" + id , content: content,
1737                                                         style: 'padding : 0px;',
1738                                                         id: 'ATAB-' + id,
1739                                                         closable: true });
1740
1741                                                 dijit.byId("content-tabs").addChild(article_pane);
1742
1743                                                 if (!event || !event.shiftKey)
1744                                                         dijit.byId("content-tabs").selectChild(article_pane);
1745
1746                                                 if ($("PTITLE-" + id))
1747                                                         article_pane.attr('title', $("PTITLE-" + id).innerHTML);
1748                                         }
1749
1750                                 } });
1751                         }
1752
1753         } catch (e) {
1754                 exception_error("zoomToArticle", e);
1755         }
1756 }
1757
1758 function scrollArticle(offset) {
1759         try {
1760                 if (!isCdmMode()) {
1761                         var ci = $("content-insert");
1762                         if (ci) {
1763                                 ci.scrollTop += offset;
1764                         }
1765                 } else {
1766                         var hi = $("headlines-frame");
1767                         if (hi) {
1768                                 hi.scrollTop += offset;
1769                         }
1770
1771                 }
1772         } catch (e) {
1773                 exception_error("scrollArticle", e);
1774         }
1775 }
1776
1777 function show_labels_in_headlines(transport) {
1778         try {
1779                 if (transport.responseXML) {
1780                         var info = transport.responseXML.getElementsByTagName("info-for-headlines")[0];
1781
1782                         var elems = info.getElementsByTagName("entry");
1783
1784                         for (var l = 0; l < elems.length; l++) {
1785                                 var e_id = elems[l].getAttribute("id");
1786
1787                                 if (e_id) {
1788
1789                                         var ctr = $("HLLCTR-" + e_id);
1790
1791                                         if (ctr) {
1792                                                 ctr.innerHTML = elems[l].firstChild.nodeValue;
1793                                         }
1794                                 }
1795
1796                         }
1797
1798                 }
1799         } catch (e) {
1800                 exception_error("show_labels_in_headlines", e);
1801
1802         }
1803 }
1804
1805 function toggleHeadlineActions() {
1806         try {
1807                 var e = $("headlineActionsBody");
1808                 var p = $("headlineActionsDrop");
1809
1810                 if (!Element.visible(e)) {
1811                         Element.show(e);
1812                 } else {
1813                         Element.hide(e);
1814                 }
1815
1816                 e.scrollTop = 0;
1817                 e.style.left = (p.offsetLeft + 1) + "px";
1818                 e.style.top = (p.offsetTop + p.offsetHeight + 2) + "px";
1819
1820         } catch (e) {
1821                 exception_error("toggleHeadlineActions", e);
1822         }
1823 }
1824
1825 function publishWithNote(id, def_note) {
1826         try {
1827                 if (!def_note) def_note = '';
1828
1829                 var note = prompt(__("Please enter a note for this article:"), def_note);
1830
1831                 if (note != undefined) {
1832                         togglePub(id, false, false, note);
1833                 }
1834
1835         } catch (e) {
1836                 exception_error("publishWithNote", e);
1837         }
1838 }
1839
1840 function emailArticle(id) {
1841         try {
1842                 if (!id) {
1843                         var ids = getSelectedArticleIds2();
1844
1845                         if (ids.length == 0) {
1846                                 alert(__("No articles are selected."));
1847                                 return;
1848                         }
1849
1850                         id = ids.toString();
1851                 }
1852
1853                 if (dijit.byId("emailArticleDlg"))
1854                         dijit.byId("emailArticleDlg").destroyRecursive();
1855
1856                 var query = "backend.php?op=dlg&id=emailArticle&param=" + param_escape(id);
1857
1858                 dialog = new dijit.Dialog({
1859                         id: "emailArticleDlg",
1860                         title: __("Forward article by email"),
1861                         style: "width: 600px",
1862                         execute: function() {
1863                                 if (this.validate()) {
1864
1865                                         new Ajax.Request("backend.php", {
1866                                                 parameters: dojo.objectToQuery(this.attr('value')),
1867                                                 onComplete: function(transport) {
1868
1869                                                         var error = transport.responseXML.getElementsByTagName('error')[0];
1870
1871                                                         if (error) {
1872                                                                 alert(__('Error sending email:') + ' ' + error.firstChild.nodeValue);
1873                                                         } else {
1874                                                                 notify_info('Your message has been sent.');
1875                                                                 dialog.hide();
1876                                                         }
1877
1878                                         } });
1879                                 }
1880                         },
1881                         href: query});
1882
1883                 var tmph = dojo.connect(dialog, 'onLoad', function() {
1884                 dojo.disconnect(tmph);
1885
1886                    new Ajax.Autocompleter('emailArticleDlg_destination', 'emailArticleDlg_dst_choices',
1887                            "backend.php?op=rpc&subop=completeEmails",
1888                            { tokens: '', paramName: "search" });
1889                 });
1890
1891                 dialog.show();
1892
1893                 /* displayDlg('emailArticle', id,
1894                    function () {
1895                                 document.forms['article_email_form'].destination.focus();
1896
1897                            new Ajax.Autocompleter('destination', 'destination_choices',
1898                                    "backend.php?op=rpc&subop=completeEmails",
1899                                    { tokens: '', paramName: "search" });
1900
1901                         }); */
1902
1903         } catch (e) {
1904                 exception_error("emailArticle", e);
1905         }
1906 }
1907
1908 function dismissArticle(id) {
1909         try {
1910                 var elem = $("RROW-" + id);
1911
1912                 toggleUnread(id, 0, true);
1913
1914                 new Effect.Fade(elem, {duration : 0.5});
1915
1916                 active_post_id = false;
1917
1918         } catch (e) {
1919                 exception_error("dismissArticle", e);
1920         }
1921 }
1922
1923 function dismissSelectedArticles() {
1924         try {
1925
1926                 var ids = getVisibleArticleIds();
1927                 var tmp = [];
1928                 var sel = [];
1929
1930                 for (var i = 0; i < ids.length; i++) {
1931                         var elem = $("RROW-" + ids[i]);
1932
1933                         if (elem.className && elem.hasClassName("Selected") &&
1934                                         ids[i] != active_post_id) {
1935                                 new Effect.Fade(elem, {duration : 0.5});
1936                                 sel.push(ids[i]);
1937                         } else {
1938                                 tmp.push(ids[i]);
1939                         }
1940                 }
1941
1942                 if (sel.length > 0)
1943                         selectionToggleUnread(false);
1944
1945                 fixHeadlinesOrder(tmp);
1946
1947         } catch (e) {
1948                 exception_error("dismissSelectedArticles", e);
1949         }
1950 }
1951
1952 function dismissReadArticles() {
1953         try {
1954
1955                 var ids = getVisibleArticleIds();
1956                 var tmp = [];
1957
1958                 for (var i = 0; i < ids.length; i++) {
1959                         var elem = $("RROW-" + ids[i]);
1960
1961                         if (elem.className && !elem.hasClassName("Unread") &&
1962                                         !elem.hasClassName("Selected")) {
1963
1964                                 new Effect.Fade(elem, {duration : 0.5});
1965                         } else {
1966                                 tmp.push(ids[i]);
1967                         }
1968                 }
1969
1970                 fixHeadlinesOrder(tmp);
1971
1972         } catch (e) {
1973                 exception_error("dismissSelectedArticles", e);
1974         }
1975 }
1976
1977 function getVisibleArticleIds() {
1978         var ids = [];
1979
1980         try {
1981
1982                 getLoadedArticleIds().each(function(id) {
1983                         var elem = $("RROW-" + id);
1984                         if (elem && Element.visible(elem))
1985                                 ids.push(id);
1986                         });
1987
1988         } catch (e) {
1989                 exception_error("getVisibleArticleIds", e);
1990         }
1991
1992         return ids;
1993 }
1994
1995 function cdmClicked(event, id) {
1996         try {
1997                 var shift_key = event.shiftKey;
1998
1999                 hideAuxDlg();
2000
2001                 if (!event.ctrlKey) {
2002
2003                         if (!getInitParam("cdm_expanded")) {
2004                                 return cdmExpandArticle(id);
2005                         } else {
2006
2007                                 selectArticles("none");
2008                                 toggleSelected(id);
2009
2010                                 var elem = $("RROW-" + id);
2011
2012                                 if (elem)
2013                                         elem.removeClassName("Unread");
2014
2015                                 var upd_img_pic = $("FUPDPIC-" + id);
2016
2017                                 if (upd_img_pic && (upd_img_pic.src.match("updated.png") ||
2018                                                 upd_img_pic.src.match("fresh_sign.png"))) {
2019
2020                                         upd_img_pic.src = "images/blank_icon.gif";
2021                                 }
2022
2023                                 active_post_id = id;
2024
2025                                 var query = "?op=rpc&subop=catchupSelected" +
2026                                         "&cmode=0&ids=" + param_escape(id);
2027
2028                                 new Ajax.Request("backend.php", {
2029                                         parameters: query,
2030                                         onComplete: function(transport) {
2031                                                 handle_json_reply(transport);
2032                                         } });
2033                         }
2034
2035                 } else {
2036                         toggleSelected(id, true);
2037                         toggleUnread(id, 0, false);
2038                         zoomToArticle(event, id);
2039                 }
2040
2041         } catch (e) {
2042                 exception_error("cdmClicked");
2043         }
2044
2045         return false;
2046 }
2047
2048 function postClicked(event, id) {
2049         try {
2050
2051                 if (!event.ctrlKey) {
2052                         return true;
2053                 } else {
2054                         postOpenInNewTab(event, id);
2055                         return false;
2056                 }
2057
2058         } catch (e) {
2059                 exception_error("postClicked");
2060         }
2061 }
2062
2063 function hlOpenInNewTab(event, id) {
2064         toggleUnread(id, 0, false);
2065         zoomToArticle(event, id);
2066 }
2067
2068 function postOpenInNewTab(event, id) {
2069         closeArticlePanel(id);
2070         zoomToArticle(event, id);
2071 }
2072
2073 function hlClicked(event, id) {
2074         try {
2075                 if (event.altKey) {
2076                         openArticleInNewWindow(id);
2077                 } else if (!event.ctrlKey) {
2078                         view(id);
2079                         return true;
2080                 } else {
2081                         toggleSelected(id);
2082                         toggleUnread(id, 0, false);
2083                         zoomToArticle(event, id);
2084                         return false;
2085                 }
2086
2087         } catch (e) {
2088                 exception_error("hlClicked");
2089         }
2090 }
2091
2092 function getFirstVisibleHeadlineId() {
2093         var rows = getVisibleArticleIds();
2094         return rows[0];
2095
2096 }
2097
2098 function getLastVisibleHeadlineId() {
2099         var rows = getVisibleArticleIds();
2100         return rows[rows.length-1];
2101 }
2102
2103 function openArticleInNewWindow(id) {
2104         toggleUnread(id, 0, false);
2105         window.open("backend.php?op=la&id=" + id);
2106 }
2107
2108 function isCdmMode() {
2109         return getInitParam("combined_display_mode");
2110 }
2111
2112 function markHeadline(id) {
2113         var row = $("RROW-" + id);
2114         if (row) {
2115                 var check = $("RCHK-" + id);
2116
2117                 if (check) {
2118                         check.checked = true;
2119                 }
2120
2121                 row.addClassName("Selected");
2122         }
2123 }
2124
2125 function getRelativePostIds(id, limit) {
2126
2127         var tmp = [];
2128
2129         try {
2130
2131                 if (!limit) limit = 3;
2132
2133                 var ids = getVisibleArticleIds();
2134
2135                 for (var i = 0; i < ids.length; i++) {
2136                         if (ids[i] == id) {
2137                                 for (var k = 1; k <= limit; k++) {
2138                                         if (i > k-1) tmp.push(ids[i-k]);
2139                                         if (i < ids.length-k) tmp.push(ids[i+k]);
2140                                 }
2141                                 break;
2142                         }
2143                 }
2144
2145         } catch (e) {
2146                 exception_error("getRelativePostIds", e);
2147         }
2148
2149         return tmp;
2150 }
2151
2152 function correctHeadlinesOffset(id) {
2153
2154         try {
2155
2156                 var container = $("headlines-frame");
2157                 var row = $("RROW-" + id);
2158
2159                 var viewport = container.offsetHeight;
2160
2161                 var rel_offset_top = row.offsetTop - container.scrollTop;
2162                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
2163
2164                 //console.log("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
2165                 //console.log("Vport: " + viewport);
2166
2167                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
2168                         container.scrollTop = row.offsetTop;
2169                 } else if (rel_offset_bottom > viewport) {
2170
2171                         /* doesn't properly work with Opera in some cases because
2172                                 Opera fucks up element scrolling */
2173
2174                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
2175                 }
2176
2177         } catch (e) {
2178                 exception_error("correctHeadlinesOffset", e);
2179         }
2180
2181 }
2182
2183 function headlineActionsChange(elem) {
2184         try {
2185                 eval(elem.value);
2186                 elem.attr('value', 'false');
2187         } catch (e) {
2188                 exception_error("headlineActionsChange", e);
2189         }
2190 }
2191
2192 function closeArticlePanel() {
2193
2194         var tabs = dijit.byId("content-tabs");
2195         var child = tabs.selectedChildWidget;
2196
2197         if (child && tabs.getIndexOfChild(child) > 0) {
2198                 tabs.removeChild(child);
2199                 child.destroy();
2200         } else {
2201                 if (dijit.byId("content-insert"))
2202                         dijit.byId("headlines-wrap-inner").removeChild(
2203                                 dijit.byId("content-insert"));
2204         }
2205 }
2206
2207 function initHeadlinesMenu() {
2208         try {
2209                 if (dijit.byId("headlinesMenu"))
2210                         dijit.byId("headlinesMenu").destroyRecursive();
2211
2212                 var ids = [];
2213
2214                 if (!isCdmMode()) {
2215                         nodes = $$("#headlines-frame > div[id*=RROW]");
2216                 } else {
2217                         nodes = $$("#headlines-frame span[id*=RTITLE]");
2218                 }
2219
2220                 nodes.each(function(node) {
2221                         ids.push(node.id);
2222                 });
2223
2224                 var menu = new dijit.Menu({
2225                         id: "headlinesMenu",
2226                         targetNodeIds: ids,
2227                 });
2228
2229                 var tmph = dojo.connect(menu, '_openMyself', function (event) {
2230                         var callerNode = event.target, match = null, tries = 0;
2231
2232                         while (match == null && callerNode && tries <= 3) {
2233                                 match = callerNode.id.match("^[A-Z]+[-]([0-9]+)$");
2234                                 callerNode = callerNode.parentNode;
2235                                 ++tries;
2236                         }
2237
2238                         if (match) this.callerRowId = parseInt(match[1]);
2239
2240                 });
2241
2242                 if (!isCdmMode())
2243                         menu.addChild(new dijit.MenuItem({
2244                                 label: __("View article"),
2245                                 onClick: function(event) {
2246                                         view(this.getParent().callerRowId);
2247                                 }}));
2248
2249                 menu.addChild(new dijit.MenuItem({
2250                         label: __("View in a new tab"),
2251                         onClick: function(event) {
2252                                 hlOpenInNewTab(event, this.getParent().callerRowId);
2253                                 }}));
2254
2255                 menu.addChild(new dijit.MenuSeparator());
2256
2257                 menu.addChild(new dijit.MenuItem({
2258                         label: __("Open original article"),
2259                         onClick: function(event) {
2260                                 openArticleInNewWindow(this.getParent().callerRowId);
2261                         }}));
2262
2263                 var labels = dijit.byId("feedTree").model.getItemsInCategory(-2);
2264
2265                 if (labels) {
2266
2267                         menu.addChild(new dijit.MenuSeparator());
2268
2269                         var labelsMenu = new dijit.Menu({ownerMenu: menu});
2270
2271                         labels.each(function(label) {
2272                                 var id = label.id[0];
2273                                 var bare_id = id.substr(id.indexOf(":")+1);
2274                                 var name = label.name[0];
2275
2276                                 bare_id = -11-bare_id;
2277
2278                                 labelsMenu.addChild(new dijit.MenuItem({
2279                                         label: name,
2280                                         labelId: bare_id,
2281                                         onClick: function(event) {
2282                                                 //console.log(this.labelId);
2283                                                 //console.log(this.getParent().ownerMenu.callerRowId);
2284                                                 selectionAssignLabel(this.labelId,
2285                                                         [this.getParent().ownerMenu.callerRowId]);
2286                                 }}));
2287                         });
2288
2289                         menu.addChild(new dijit.PopupMenuItem({
2290                                 label: __("Labels"),
2291                                 popup: labelsMenu,
2292                         }));
2293                 }
2294
2295                 menu.startup();
2296
2297         } catch (e) {
2298                 exception_error("initHeadlinesMenu", e);
2299         }
2300 }
2301
2302 function tweetArticle(id) {
2303         try {
2304                 var query = "?op=rpc&subop=getTweetInfo&id=" + param_escape(id);
2305
2306                 console.log(query);
2307
2308                 var d = new Date();
2309       var ts = d.getTime();
2310
2311                 var w = window.open('backend.php?op=loading', 'ttrss_tweet',
2312                         "status=0,toolbar=0,location=0,width=500,height=400,scrollbars=1,menubar=0");
2313
2314                 new Ajax.Request("backend.php", {
2315                         parameters: query,
2316                         onComplete: function(transport) {
2317                                 var ti = JSON.parse(transport.responseText);
2318
2319                                 var share_url = "http://twitter.com/share?_=" + ts +
2320                                         "&text=" + param_escape(ti.title) +
2321                                         "&url=" + param_escape(ti.link);
2322
2323                                 w.location.href = share_url;
2324
2325                         } });
2326
2327
2328         } catch (e) {
2329                 exception_error("tweetArticle", e);
2330         }
2331 }