viewfeed.js

   1 var active_post_id = false;
   2 var last_article_view = false;
   3 var active_real_feed_id = false;
   4
   5 var _tag_active_post_id = false;
   6 var _tag_active_feed_id = false;
   7 var _tag_active_cdm = false;
   8
   9 // FIXME: kludge, to restore scrollTop after tag editor terminates
  10 var _tag_cdm_scroll = false;
  11
  12 // FIXME: kludges, needs proper implementation
  13 var _reload_feedlist_after_view = false;
  14
  15 var _cdm_wd_timeout = false;
  16 var _cdm_wd_vishist = new Array();
  17
  18 var article_cache = new Array();
  19
  20 function catchup_callback() {
  21         if (xmlhttp_rpc.readyState == 4) {
  22                 try {
  23                         debug("catchup_callback");
  24                         notify("");
  25                         all_counters_callback();
  26                         if (_catchup_callback_func) {
  27                                 setTimeout(_catchup_callback_func, 10);
  28                         }
  29                 } catch (e) {
  30                         exception_error("catchup_callback", e);
  31                 }
  32         }
  33 }
  34
  35 function catchup_callback2(transport, callback) {
  36         try {
  37                 debug("catchup_callback2 " + transport + ", " + callback);
  38                 notify("");
  39                 all_counters_callback2(transport);
  40                 if (callback) {
  41                         setTimeout(callback, 10);
  42                 }
  43         } catch (e) {
  44                 exception_error("catchup_callback2", e);
  45         }
  46 }
  47
  48 function headlines_callback() {
  49         if (xmlhttp.readyState == 4) {
  50                 debug("headlines_callback");
  51                 var f = document.getElementById("headlines-frame");
  52                 try {
  53                         if (feed_cur_page == 0) {
  54                                 debug("resetting headlines scrollTop");
  55                                 f.scrollTop = 0;
  56                         }
  57                 } catch (e) { };
  58
  59                 if (xmlhttp.responseXML) {
  60                         var headlines = xmlhttp.responseXML.getElementsByTagName("headlines")[0];
  61                         var counters = xmlhttp.responseXML.getElementsByTagName("counters")[0];
  62                         var articles = xmlhttp.responseXML.getElementsByTagName("article");
  63                         var runtime_info = xmlhttp.responseXML.getElementsByTagName("runtime-info");
  64
  65                         if (feed_cur_page == 0) {
  66                                 if (headlines) {
  67                                         f.innerHTML = headlines.firstChild.nodeValue;
  68                                 } else {
  69                                         debug("headlines_callback: returned no data");
  70                                 f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
  71
  72                                 }
  73                         } else {
  74                                 if (headlines) {
  75                                         debug("adding some more headlines...");
  76
  77                                         var c = document.getElementById("headlinesList");
  78
  79                                         if (!c) {
  80                                                 c = document.getElementById("headlinesInnerContainer");
  81                                         }
  82
  83                                         c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
  84                                 } else {
  85                                         debug("headlines_callback: returned no data");
  86                                         notify_error("Error while trying to load more headlines");
  87                                 }
  88
  89                         }
  90
  91                         if (articles) {
  92                                 for (var i = 0; i < articles.length; i++) {
  93                                         var a_id = articles[i].getAttribute("id");
  94                                         debug("found id: " + a_id);
  95                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
  96                                 }
  97                         } else {
  98                                 debug("no cached articles received");
  99                         }
 100
 101                         if (counters) {
 102                                 debug("parsing piggybacked counters: " + counters);
 103                                 parse_counters(counters, false);
 104                         } else {
 105                                 debug("counters container not found in reply");
 106                         }
 107
 108                         if (runtime_info) {
 109                                 debug("parsing runtime info: " + runtime_info[0]);
 110                                 parse_runtime_info(runtime_info[0]);
 111                         } else {
 112                                 debug("counters container not found in reply");
 113                         }
 114
 115                 } else {
 116                         debug("headlines_callback: returned no XML object");
 117                         f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML object)') + "</div>";
 118                 }
 119
 120                 if (typeof correctPNG != 'undefined') {
 121                         correctPNG();
 122                 }
 123
 124                 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
 125
 126                 if (!document.getElementById("headlinesList") &&
 127                                 getInitParam("cdm_auto_catchup") == 1) {
 128                         debug("starting CDM watchdog");
 129                         _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 130                         _cdm_wd_vishist = new Array();
 131                 } else {
 132                         debug("not in CDM mode or watchdog disabled");
 133                 }
 134
 135                 if (_tag_cdm_scroll) {
 136                         try {
 137                                 document.getElementById("headlinesInnerContainer").scrollTop = _tag_cdm_scroll;
 138                                 _tag_cdm_scroll = false;
 139                                 debug("resetting headlinesInner scrollTop");
 140
 141                         } catch (e) { }
 142                 }
 143
 144                 notify("");
 145         }
 146 }
 147
 148 function render_article(article) {
 149         try {
 150                 var f = document.getElementById("content-frame");
 151                 try {
 152                         f.scrollTop = 0;
 153                 } catch (e) { };
 154
 155                 f.innerHTML = article;
 156
 157         } catch (e) {
 158                 exception_error("render_article", e);
 159         }
 160 }
 161
 162 function article_callback() {
 163         if (xmlhttp.readyState == 4) {
 164                 debug("article_callback");
 165
 166                 try {
 167                         if (xmlhttp.responseXML) {
 168                                 var reply = xmlhttp.responseXML.firstChild.firstChild;
 169
 170                                 var articles = xmlhttp.responseXML.getElementsByTagName("article");
 171
 172                                 for (var i = 0; i < articles.length; i++) {
 173                                         var a_id = articles[i].getAttribute("id");
 174
 175                                         debug("found id: " + a_id);
 176
 177                                         if (a_id == active_post_id) {
 178                                                 debug("active article, rendering...");
 179                                                 render_article(articles[i].firstChild.nodeValue);
 180                                         }
 181
 182                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 183                                 }
 184
 185                         } else {
 186                                 debug("article_callback: returned no XML object");
 187                                 var f = document.getElementById("content-frame");
 188                                 f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 189                         }
 190                 } catch (e) {
 191                         exception_error("article_callback", e);
 192                 }
 193
 194                 var date = new Date();
 195                 last_article_view = date.getTime() / 1000;
 196
 197                 if (typeof correctPNG != 'undefined') {
 198                         correctPNG();
 199                 }
 200
 201                 if (_reload_feedlist_after_view) {
 202                         setTimeout('updateFeedList(false, false)', 50);
 203                         _reload_feedlist_after_view = false;
 204                 } else {
 205                         var counters = xmlhttp.responseXML.getElementsByTagName("counters")[0];
 206
 207                         if (counters) {
 208                                 debug("parsing piggybacked counters: " + counters);
 209                                 parse_counters(counters, false);
 210                         } else {
 211                                 debug("counters container not found in reply");
 212                         }
 213                 }
 214
 215                 notify("");
 216         }
 217 }
 218
 219 function view(id, feed_id, skip_history) {
 220
 221         try {
 222                 debug("loading article: " + id + "/" + feed_id);
 223
 224                 active_real_feed_id = feed_id;
 225
 226                 var cached_article = cache_find(id);
 227
 228                 debug("cache check result: " + (cached_article != false));
 229
 230                 enableHotkeys();
 231
 232                 //setActiveFeedId(feed_id);
 233
 234                 var query = "backend.php?op=view&id=" + param_escape(id) +
 235                         "&feed=" + param_escape(feed_id);
 236
 237                 var date = new Date();
 238
 239                 if (!xmlhttp_ready(xmlhttp) && last_article_view < date.getTime() / 1000 - 15) {
 240                         debug("<b>xmlhttp seems to be stuck at view, aborting</b>");
 241                         xmlhttp.abort();
 242                         if (is_safari()) {
 243                                 debug("trying alternative reset method for Safari");
 244                                 xmlhttp = Ajax.getTransport();
 245                         }
 246                 }
 247
 248                 if (xmlhttp_ready(xmlhttp)) {
 249
 250                         active_post_id = id;
 251
 252                         cleanSelected("headlinesList");
 253
 254                         var crow = document.getElementById("RROW-" + active_post_id);
 255
 256                         var article_is_unread = crow.className.match("Unread");
 257                         debug("article is unread: " + article_is_unread);
 258
 259                         crow.className = crow.className.replace("Unread", "");
 260
 261                         var upd_img_pic = document.getElementById("FUPDPIC-" + active_post_id);
 262
 263                         if (upd_img_pic) {
 264                                 upd_img_pic.src = "images/blank_icon.gif";
 265                         }
 266
 267                         selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 268                         markHeadline(active_post_id);
 269
 270                         var neighbor_ids = getRelativePostIds(active_post_id);
 271
 272                         /* only request uncached articles */
 273
 274                         var cids_to_request = Array();
 275
 276                         for (var i = 0; i < neighbor_ids.length; i++) {
 277                                 if (!cache_check(neighbor_ids[i])) {
 278                                         cids_to_request.push(neighbor_ids[i]);
 279                                 }
 280                         }
 281
 282                         debug("additional ids: " + cids_to_request.toString());
 283
 284                         /* additional info for piggyback counters */
 285
 286                         if (tagsAreDisplayed()) {
 287                                 query = query + "&omode=lt";
 288                         } else {
 289                                 query = query + "&omode=flc";
 290                         }
 291
 292                         var date = new Date();
 293                         var timestamp = Math.round(date.getTime() / 1000);
 294                         query = query + "&ts=" + timestamp;
 295
 296                         query = query + "&cids=" + cids_to_request.toString();
 297
 298                         if (!cached_article) {
 299
 300                                 notify_progress("Loading, please wait...");
 301
 302                                 debug(query);
 303
 304                                 xmlhttp.open("GET", query, true);
 305                                 xmlhttp.onreadystatechange=article_callback;
 306                                 xmlhttp.send(null);
 307                         } else if (cached_article && article_is_unread) {
 308
 309                                 query = query + "&mode=prefetch";
 310
 311                                 debug(query);
 312
 313                                 xmlhttp.open("GET", query, true);
 314                                 xmlhttp.onreadystatechange=article_callback;
 315                                 xmlhttp.send(null);
 316
 317                                 render_article(cached_article);
 318
 319                         } else if (cached_article) {
 320
 321                                 query = query + "&mode=prefetch_old";
 322
 323                                 debug(query);
 324
 325                                 xmlhttp.open("GET", query, true);
 326                                 xmlhttp.onreadystatechange=article_callback;
 327                                 xmlhttp.send(null);
 328
 329                                 render_article(cached_article);
 330
 331                         }
 332
 333                         cache_expire();
 334
 335                 } else {
 336                         debug("xmlhttp busy (@view)");
 337                         printLockingError();
 338                 }
 339
 340         } catch (e) {
 341                 exception_error("view", e);
 342         }
 343 }
 344
 345 function tMark(id) {
 346         return toggleMark(id);
 347 }
 348
 349 function tPub(id) {
 350         return togglePub(id);
 351 }
 352
 353 function tMark_afh_off(effect) {
 354         try {
 355                 var elem = effect.effects[0].element;
 356
 357                 debug("tMark_afh_off : " + elem.id);
 358
 359                 if (elem) {
 360                         elem.src = elem.src.replace("mark_set", "mark_unset");
 361                         elem.alt = __("Star article");
 362                         Element.show(elem);
 363                 }
 364
 365         } catch (e) {
 366                 exception_error("tMark_afh_off", e);
 367         }
 368 }
 369
 370 function tPub_afh_off(effect) {
 371         try {
 372                 var elem = effect.effects[0].element;
 373
 374                 debug("tPub_afh_off : " + elem.id);
 375
 376                 if (elem) {
 377                         elem.src = elem.src.replace("pub_set", "pub_unset");
 378                         elem.alt = __("Publish article");
 379                         Element.show(elem);
 380                 }
 381
 382         } catch (e) {
 383                 exception_error("tPub_afh_off", e);
 384         }
 385 }
 386
 387 function toggleMark(id, client_only, no_effects) {
 388
 389         try {
 390
 391                 var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 392
 393                 query = query + "&afid=" + getActiveFeedId();
 394
 395                 if (tagsAreDisplayed()) {
 396                         query = query + "&omode=tl";
 397                 } else {
 398                         query = query + "&omode=flc";
 399                 }
 400
 401                 var mark_img = document.getElementById("FMPIC-" + id);
 402                 var vfeedu = document.getElementById("FEEDU--1");
 403                 var crow = document.getElementById("RROW-" + id);
 404
 405                 if (mark_img.src.match("mark_unset")) {
 406                         mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
 407                         mark_img.alt = __("Unstar article");
 408                         query = query + "&mark=1";
 409
 410 /*                      if (vfeedu && crow.className.match("Unread")) {
 411                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 412                         } */
 413
 414                 } else {
 415                         //mark_img.src = "images/mark_unset.png";
 416                         mark_img.alt = __("Please wait...");
 417                         query = query + "&mark=0";
 418
 419 /*                      if (vfeedu && crow.className.match("Unread")) {
 420                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 421                         } */
 422
 423                         if (document.getElementById("headlinesList") && !no_effects) {
 424                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 425                         } else {
 426                                 mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
 427                                 mark_img.alt = __("Star article");
 428                         }
 429                 }
 430
 431 /*              var vfeedctr = document.getElementById("FEEDCTR--1");
 432                 var vfeedr = document.getElementById("FEEDR--1");
 433
 434                 if (vfeedu && vfeedctr) {
 435                         if ((+vfeedu.innerHTML) > 0) {
 436                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 437                                         vfeedr.className = vfeedr.className + "Unread";
 438                                         vfeedctr.className = "odd";
 439                                 }
 440                         } else {
 441                                 vfeedctr.className = "invisible";
 442                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 443                         }
 444                 }
 445
 446                 debug("toggle starred for aid " + id);
 447
 448                 //new Ajax.Request(query); */
 449
 450                 if (!client_only) {
 451                         debug(query);
 452
 453 //                      xmlhttp_rpc.open("GET", query, true);
 454 //                      xmlhttp_rpc.onreadystatechange=all_counters_callback;
 455 //                      xmlhttp_rpc.send(null);
 456
 457                         new Ajax.Request(query, {
 458                                 onComplete: function(transport) {
 459                                         all_counters_callback2(transport);
 460                                 } });
 461
 462                 }
 463
 464         } catch (e) {
 465                 exception_error("toggleMark", e);
 466         }
 467 }
 468
 469 function togglePub(id, client_only, no_effects) {
 470
 471         try {
 472
 473                 var query = "backend.php?op=rpc&id=" + id + "&subop=publ";
 474
 475                 query = query + "&afid=" + getActiveFeedId();
 476
 477                 if (tagsAreDisplayed()) {
 478                         query = query + "&omode=tl";
 479                 } else {
 480                         query = query + "&omode=flc";
 481                 }
 482
 483                 var mark_img = document.getElementById("FPPIC-" + id);
 484                 var vfeedu = document.getElementById("FEEDU--2");
 485                 var crow = document.getElementById("RROW-" + id);
 486
 487                 if (mark_img.src.match("pub_unset")) {
 488                         mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
 489                         mark_img.alt = __("Unpublish article");
 490                         query = query + "&pub=1";
 491
 492 /*                      if (vfeedu && crow.className.match("Unread")) {
 493                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 494                         } */
 495
 496                 } else {
 497                         //mark_img.src = "images/pub_unset.png";
 498                         mark_img.alt = __("Please wait...");
 499                         query = query + "&pub=0";
 500
 501 /*                      if (vfeedu && crow.className.match("Unread")) {
 502                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 503                         } */
 504
 505                         if (document.getElementById("headlinesList") && !no_effects) {
 506                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 507                         } else {
 508                                 mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
 509                                 mark_img.alt = __("Publish article");
 510                         }
 511                 }
 512
 513 /*              var vfeedctr = document.getElementById("FEEDCTR--2");
 514                 var vfeedr = document.getElementById("FEEDR--2");
 515
 516                 if (vfeedu && vfeedctr) {
 517                         if ((+vfeedu.innerHTML) > 0) {
 518                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 519                                         vfeedr.className = vfeedr.className + "Unread";
 520                                         vfeedctr.className = "odd";
 521                                 }
 522                         } else {
 523                                 vfeedctr.className = "invisible";
 524                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 525                         }
 526                 }
 527
 528                 debug("toggle published for aid " + id);
 529
 530                 new Ajax.Request(query); */
 531
 532                 if (!client_only) {
 533                         new Ajax.Request(query, {
 534                                 onComplete: function(transport) {
 535                                         all_counters_callback2(transport);
 536                                 } });
 537                 }
 538
 539         } catch (e) {
 540
 541                 exception_error("togglePub", e);
 542         }
 543 }
 544
 545 function correctHeadlinesOffset(id) {
 546
 547         try {
 548
 549                 var hlist = document.getElementById("headlinesList");
 550                 var container = document.getElementById("headlinesInnerContainer");
 551                 var row = document.getElementById("RROW-" + id);
 552
 553                 var viewport = container.offsetHeight;
 554
 555                 var rel_offset_top = row.offsetTop - container.scrollTop;
 556                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 557
 558                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 559                 debug("Vport: " + viewport);
 560
 561                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 562                         container.scrollTop = row.offsetTop;
 563                 } else if (rel_offset_bottom > viewport) {
 564
 565                         /* doesn't properly work with Opera in some cases because
 566                                 Opera fucks up element scrolling */
 567
 568                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 569                 }
 570
 571         } catch (e) {
 572                 exception_error("correctHeadlinesOffset", e);
 573         }
 574
 575 }
 576
 577 function moveToPost(mode) {
 578
 579         // check for combined mode
 580         if (!document.getElementById("headlinesList"))
 581                 return;
 582
 583         var rows = getVisibleHeadlineIds();
 584
 585         var prev_id = false;
 586         var next_id = false;
 587
 588         if (!document.getElementById('RROW-' + active_post_id)) {
 589                 active_post_id = false;
 590         }
 591
 592         if (active_post_id == false) {
 593                 next_id = getFirstVisibleHeadlineId();
 594                 prev_id = getLastVisibleHeadlineId();
 595         } else {
 596                 for (var i = 0; i < rows.length; i++) {
 597                         if (rows[i] == active_post_id) {
 598                                 prev_id = rows[i-1];
 599                                 next_id = rows[i+1];
 600                         }
 601                 }
 602         }
 603
 604         if (mode == "next") {
 605                 if (next_id) {
 606                         correctHeadlinesOffset(next_id);
 607                         view(next_id, getActiveFeedId());
 608                 }
 609         }
 610
 611         if (mode == "prev") {
 612                 if (prev_id) {
 613                         correctHeadlinesOffset(prev_id);
 614                         view(prev_id, getActiveFeedId());
 615                 }
 616         }
 617 }
 618
 619 function toggleUnread(id, cmode) {
 620         try {
 621
 622                 var row = document.getElementById("RROW-" + id);
 623                 if (row) {
 624                         var nc = row.className;
 625                         nc = nc.replace("Unread", "");
 626                         nc = nc.replace("Selected", "");
 627
 628                         if (row.className.match("Unread")) {
 629                                 row.className = nc;
 630                         } else {
 631                                 row.className = nc + "Unread";
 632                         }
 633
 634                         if (!cmode) cmode = 2;
 635
 636                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 637                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 638
 639 //                      notify_progress("Loading, please wait...");
 640
 641                         new Ajax.Request(query, {
 642                                 onComplete: function(transport) {
 643                                         all_counters_callback2(transport);
 644                                 } });
 645
 646                 }
 647
 648
 649         } catch (e) {
 650                 exception_error("toggleUnread", e);
 651         }
 652 }
 653
 654 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
 655         try {
 656 /*              if (!xmlhttp_ready(xmlhttp_rpc)) {
 657                         printLockingError();
 658                         return;
 659                 } */
 660
 661                 var rows;
 662
 663                 if (cdm_mode) {
 664                         rows = cdmGetSelectedArticles();
 665                 } else {
 666                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 667                 }
 668
 669                 if (rows.length == 0 && !no_error) {
 670                         alert(__("No articles are selected."));
 671                         return;
 672                 }
 673
 674                 for (i = 0; i < rows.length; i++) {
 675                         var row = document.getElementById("RROW-" + rows[i]);
 676                         if (row) {
 677                                 var nc = row.className;
 678                                 nc = nc.replace("Unread", "");
 679                                 nc = nc.replace("Selected", "");
 680
 681                                 if (set_state == undefined) {
 682                                         if (row.className.match("Unread")) {
 683                                                 row.className = nc + "Selected";
 684                                         } else {
 685                                                 row.className = nc + "UnreadSelected";
 686                                         }
 687                                 }
 688
 689                                 if (set_state == false) {
 690                                         row.className = nc + "Selected";
 691                                 }
 692
 693                                 if (set_state == true) {
 694                                         row.className = nc + "UnreadSelected";
 695                                 }
 696                         }
 697                 }
 698
 699                 if (rows.length > 0) {
 700
 701                         var cmode = "";
 702
 703                         if (set_state == undefined) {
 704                                 cmode = "2";
 705                         } else if (set_state == true) {
 706                                 cmode = "1";
 707                         } else if (set_state == false) {
 708                                 cmode = "0";
 709                         }
 710
 711                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 712                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 713
 714 //                      _catchup_callback_func = callback_func;
 715
 716                         debug(callback_func);
 717
 718                         notify_progress("Loading, please wait...");
 719
 720 /*                      xmlhttp_rpc.open("GET", query, true);
 721                         xmlhttp_rpc.onreadystatechange=catchup_callback;
 722                         xmlhttp_rpc.send(null); */
 723
 724                         new Ajax.Request(query, {
 725                                 onComplete: function(transport) {
 726                                         catchup_callback2(transport, callback_func);
 727                                 } });
 728
 729                 }
 730
 731         } catch (e) {
 732                 exception_error("selectionToggleUnread", e);
 733         }
 734 }
 735
 736 function selectionToggleMarked(cdm_mode) {
 737         try {
 738
 739                 var rows;
 740
 741                 if (cdm_mode) {
 742                         rows = cdmGetSelectedArticles();
 743                 } else {
 744                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 745                 }
 746
 747                 if (rows.length == 0) {
 748                         alert(__("No articles are selected."));
 749                         return;
 750                 }
 751
 752                 for (i = 0; i < rows.length; i++) {
 753                         toggleMark(rows[i], true, true);
 754                 }
 755
 756                 if (rows.length > 0) {
 757
 758                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 759                                 param_escape(rows.toString()) + "&cmode=2";
 760
 761                         query = query + "&afid=" + getActiveFeedId();
 762
 763 /*                      if (tagsAreDisplayed()) {
 764                                 query = query + "&omode=tl";
 765                         } else {
 766                                 query = query + "&omode=flc";
 767                         } */
 768
 769                         query = query + "&omode=lc";
 770
 771                         new Ajax.Request(query, {
 772                                 onComplete: function(transport) {
 773                                         all_counters_callback2(transport);
 774                                 } });
 775
 776                 }
 777
 778         } catch (e) {
 779                 exception_error("selectionToggleMarked", e);
 780         }
 781 }
 782
 783 function selectionTogglePublished(cdm_mode) {
 784         try {
 785
 786                 var rows;
 787
 788                 if (cdm_mode) {
 789                         rows = cdmGetSelectedArticles();
 790                 } else {
 791                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 792                 }
 793
 794                 if (rows.length == 0) {
 795                         alert(__("No articles are selected."));
 796                         return;
 797                 }
 798
 799                 for (i = 0; i < rows.length; i++) {
 800                         togglePub(rows[i], true, true);
 801                 }
 802
 803                 if (rows.length > 0) {
 804
 805                         var query = "backend.php?op=rpc&subop=publishSelected&ids=" +
 806                                 param_escape(rows.toString()) + "&cmode=2";
 807
 808                         query = query + "&afid=" + getActiveFeedId();
 809
 810 /*                      if (tagsAreDisplayed()) {
 811                                 query = query + "&omode=tl";
 812                         } else {
 813                                 query = query + "&omode=flc";
 814                         } */
 815
 816                         query = query + "&omode=lc";
 817
 818                         new Ajax.Request(query, {
 819                                 onComplete: function(transport) {
 820                                         all_counters_callback2(transport);
 821                                 } });
 822
 823                 }
 824
 825         } catch (e) {
 826                 exception_error("selectionToggleMarked", e);
 827         }
 828 }
 829
 830 function cdmGetSelectedArticles() {
 831         var sel_articles = new Array();
 832         var container = document.getElementById("headlinesInnerContainer");
 833
 834         for (i = 0; i < container.childNodes.length; i++) {
 835                 var child = container.childNodes[i];
 836
 837                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 838                         var c_id = child.id.replace("RROW-", "");
 839                         sel_articles.push(c_id);
 840                 }
 841         }
 842
 843         return sel_articles;
 844 }
 845
 846 function cdmGetVisibleArticles() {
 847         var sel_articles = new Array();
 848         var container = document.getElementById("headlinesInnerContainer");
 849
 850         for (i = 0; i < container.childNodes.length; i++) {
 851                 var child = container.childNodes[i];
 852
 853                 if (child.id.match("RROW-")) {
 854                         var c_id = child.id.replace("RROW-", "");
 855                         sel_articles.push(c_id);
 856                 }
 857         }
 858
 859         return sel_articles;
 860 }
 861
 862 function cdmGetUnreadArticles() {
 863         var sel_articles = new Array();
 864         var container = document.getElementById("headlinesInnerContainer");
 865
 866         for (i = 0; i < container.childNodes.length; i++) {
 867                 var child = container.childNodes[i];
 868
 869                 if (child.id.match("RROW-") && child.className.match("Unread")) {
 870                         var c_id = child.id.replace("RROW-", "");
 871                         sel_articles.push(c_id);
 872                 }
 873         }
 874
 875         return sel_articles;
 876 }
 877
 878
 879 // mode = all,none,unread
 880 function cdmSelectArticles(mode) {
 881         var container = document.getElementById("headlinesInnerContainer");
 882
 883         for (i = 0; i < container.childNodes.length; i++) {
 884                 var child = container.childNodes[i];
 885
 886                 if (child.id.match("RROW-")) {
 887                         var aid = child.id.replace("RROW-", "");
 888
 889                         var cb = document.getElementById("RCHK-" + aid);
 890
 891                         if (mode == "all") {
 892                                 if (!child.className.match("Selected")) {
 893                                         child.className = child.className + "Selected";
 894                                         cb.checked = true;
 895                                 }
 896                         } else if (mode == "unread") {
 897                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 898                                         child.className = child.className + "Selected";
 899                                         cb.checked = true;
 900                                 }
 901                         } else {
 902                                 child.className = child.className.replace("Selected", "");
 903                                 cb.checked = false;
 904                         }
 905                 }
 906         }
 907 }
 908
 909 function catchupPage() {
 910
 911         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 912
 913         var str = __("Mark all visible articles in %s as read?");
 914
 915         str = str.replace("%s", fn);
 916
 917         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 918                 return;
 919         }
 920
 921         if (document.getElementById("headlinesList")) {
 922                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 923                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 924                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 925         } else {
 926                 cdmSelectArticles('all');
 927                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 928                 cdmSelectArticles('none');
 929         }
 930 }
 931
 932 function catchupSelection() {
 933
 934         try {
 935
 936                 var rows;
 937
 938                 if (document.getElementById("headlinesList")) {
 939                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 940                 } else {
 941                         rows = cdmGetSelectedArticles();
 942                 }
 943
 944                 if (rows.length == 0) {
 945                         alert(__("No articles are selected."));
 946                         return;
 947                 }
 948
 949
 950                 var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 951
 952                 var str = __("Mark all selected articles in %s as read?");
 953
 954                 str = str.replace("%s", fn);
 955
 956                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 957                         return;
 958                 }
 959
 960                 if (document.getElementById("headlinesList")) {
 961                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 962         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 963                 } else {
 964                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 965         //              cdmSelectArticles('none');
 966                 }
 967
 968         } catch (e) {
 969                 exception_error("catchupSelection", e);
 970         }
 971 }
 972
 973
 974 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
 975
 976         if (!xmlhttp_ready(xmlhttp_rpc)) {
 977                 printLockingError();
 978         }
 979
 980         var title = prompt(__("Please enter label title:"), "");
 981
 982         if (title) {
 983
 984                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
 985                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
 986                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
 987                         "&title=" + param_escape(title);
 988
 989                 debug("LFS: " + query);
 990
 991                 xmlhttp_rpc.open("GET", query, true);
 992                 xmlhttp_rpc.onreadystatechange=dlg_frefresh_callback;
 993                 xmlhttp_rpc.send(null);
 994         }
 995
 996 }
 997
 998 function editArticleTags(id, feed_id, cdm_enabled) {
 999         _tag_active_post_id = id;
1000         _tag_active_feed_id = feed_id;
1001         _tag_active_cdm = cdm_enabled;
1002
1003         cache_invalidate(id);
1004
1005         try {
1006                 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
1007         } catch (e) { }
1008         displayDlg('editArticleTags', id);
1009 }
1010
1011
1012 function tag_saved_callback() {
1013         if (xmlhttp_rpc.readyState == 4) {
1014                 try {
1015                         debug("in tag_saved_callback");
1016
1017                         closeInfoBox();
1018                         notify("");
1019
1020                         if (tagsAreDisplayed()) {
1021                                 _reload_feedlist_after_view = true;
1022                         }
1023
1024                         if (!_tag_active_cdm) {
1025                                 if (active_post_id == _tag_active_post_id) {
1026                                         debug("reloading current article");
1027                                         view(_tag_active_post_id, _tag_active_feed_id);
1028                                 }
1029                         } else {
1030                                 debug("reloading current feed");
1031                                 viewCurrentFeed();
1032                         }
1033
1034                 } catch (e) {
1035                         exception_error("catchup_callback", e);
1036                 }
1037         }
1038 }
1039
1040 function editTagsSave() {
1041
1042         if (!xmlhttp_ready(xmlhttp_rpc)) {
1043                 printLockingError();
1044         }
1045
1046         notify_progress("Saving article tags...");
1047
1048         var form = document.forms["tag_edit_form"];
1049
1050         var query = Form.serialize("tag_edit_form");
1051
1052         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
1053
1054         debug(query);
1055
1056         xmlhttp_rpc.open("GET", query, true);
1057         xmlhttp_rpc.onreadystatechange=tag_saved_callback;
1058         xmlhttp_rpc.send(null);
1059
1060 }
1061
1062 function editTagsInsert() {
1063         try {
1064
1065                 var form = document.forms["tag_edit_form"];
1066
1067                 var found_tags = form.found_tags;
1068                 var tags_str = form.tags_str;
1069
1070                 var tag = found_tags[found_tags.selectedIndex].value;
1071
1072                 if (tags_str.value.length > 0 &&
1073                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1074
1075                         tags_str.value = tags_str.value + ", ";
1076                 }
1077
1078                 tags_str.value = tags_str.value + tag + ", ";
1079
1080                 found_tags.selectedIndex = 0;
1081
1082         } catch (e) {
1083                 exception_error(e, "editTagsInsert");
1084         }
1085 }
1086
1087 function cdmWatchdog() {
1088
1089         try {
1090
1091                 var ctr = document.getElementById("headlinesInnerContainer");
1092
1093                 if (!ctr) return;
1094
1095                 var ids = new Array();
1096
1097                 var e = ctr.firstChild;
1098
1099                 while (e) {
1100                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1101                                         e.id.match("RROW-")) {
1102
1103                                 // article fits in viewport OR article is longer than viewport and
1104                                 // its bottom is visible
1105
1106                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1107                                                 ctr.scrollTop + ctr.offsetHeight) {
1108
1109 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1110 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1111 //                                              (ctr.scrollTop + ctr.offsetHeight));
1112
1113                                         ids.push(e.id.replace("RROW-", ""));
1114
1115                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1116                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1117                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1118
1119                                         ids.push(e.id.replace("RROW-", ""));
1120
1121                                 }
1122
1123                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1124
1125 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1126                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1127
1128                                         ids.push(e.id.replace("RROW-", ""));
1129
1130                                 } */
1131
1132                         }
1133
1134                         e = e.nextSibling;
1135                 }
1136
1137                 debug("cdmWatchdog, ids= " + ids.toString());
1138
1139                 if (ids.length > 0) {
1140
1141                         for (var i = 0; i < ids.length; i++) {
1142                                 var e = document.getElementById("RROW-" + ids[i]);
1143                                 if (e) {
1144                                         e.className = e.className.replace("Unread", "");
1145                                 }
1146                         }
1147
1148                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1149                                 param_escape(ids.toString()) + "&cmode=0";
1150
1151                         new Ajax.Request(query, {
1152                                 onComplete: function(transport) {
1153                                         all_counters_callback2(transport);
1154                                 } });
1155
1156                 }
1157
1158                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1159
1160         } catch (e) {
1161                 exception_error(e, "cdmWatchdog");
1162         }
1163
1164 }
1165
1166
1167 function cache_inject(id, article) {
1168         if (!cache_check(id)) {
1169                 debug("cache_article: miss: " + id);
1170
1171                 var cache_obj = new Array();
1172
1173                 cache_obj["id"] = id;
1174                 cache_obj["data"] = article;
1175
1176                 article_cache.push(cache_obj);
1177
1178         } else {
1179                 debug("cache_article: hit: " + id);
1180         }
1181 }
1182
1183 function cache_find(id) {
1184         for (var i = 0; i < article_cache.length; i++) {
1185                 if (article_cache[i]["id"] == id) {
1186                         return article_cache[i]["data"];
1187                 }
1188         }
1189         return false;
1190 }
1191
1192 function cache_check(id) {
1193         for (var i = 0; i < article_cache.length; i++) {
1194                 if (article_cache[i]["id"] == id) {
1195                         return true;
1196                 }
1197         }
1198         return false;
1199 }
1200
1201 function cache_expire() {
1202         while (article_cache.length > 20) {
1203                 article_cache.shift();
1204         }
1205 }
1206
1207 function cache_invalidate(id) {
1208         var i = 0
1209
1210         try {
1211
1212                 while (i < article_cache.length) {
1213                         if (article_cache[i]["id"] == id) {
1214                                 debug("cache_invalidate: removed id " + id);
1215                                 article_cache.splice(i, 1);
1216                                 return true;
1217                         }
1218                         i++;
1219                 }
1220                 debug("cache_invalidate: id not found: " + id);
1221                 return false;
1222         } catch (e) {
1223                 exception_error("cache_invalidate", e);
1224         }
1225 }
1226
1227 function getActiveArticleId() {
1228         return active_post_id;
1229 }
1230
1231 function cdmMouseIn(elem) {
1232         try {
1233                 if (elem.id && elem.id.match("RROW-")) {
1234                         var id = elem.id.replace("RROW-", "");
1235                         active_post_id = id;
1236                 }
1237         } catch (e) {
1238                 exception_error("cdmMouseIn", e);
1239         }
1240
1241 }
1242
1243 function cdmMouseOut(elem) {
1244         active_post_id = false;
1245 }
1246
1247 function headlines_scroll_handler() {
1248         try {
1249
1250                 var e = document.getElementById("headlinesInnerContainer");
1251
1252                 if (e.scrollTop + e.offsetHeight > e.scrollHeight - 300) {
1253                         debug("more cowbell!");
1254
1255                         viewNextFeedPage();
1256                 }
1257
1258         } catch (e) {
1259                 exception_error("headlines_scroll_handler", e);
1260         }
1261 }
1262
1263 function catchupRelativeToArticle(below) {
1264
1265         try {
1266
1267                 if (!xmlhttp_ready(xmlhttp_rpc)) {
1268                         printLockingError();
1269                 }
1270
1271                 if (!getActiveArticleId()) {
1272                         alert(__("No article is selected."));
1273                         return;
1274                 }
1275
1276                 var visible_ids;
1277
1278                 if (document.getElementById("headlinesList")) {
1279                         visible_ids = getVisibleHeadlineIds();
1280                 } else {
1281                         visible_ids = cdmGetVisibleArticles();
1282                 }
1283
1284                 var ids_to_mark = new Array();
1285
1286                 if (!below) {
1287                         for (var i = 0; i < visible_ids.length; i++) {
1288                                 if (visible_ids[i] != getActiveArticleId()) {
1289                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1290
1291                                         if (e && e.className.match("Unread")) {
1292                                                 ids_to_mark.push(visible_ids[i]);
1293                                         }
1294                                 } else {
1295                                         break;
1296                                 }
1297                         }
1298                 } else {
1299                         for (var i = visible_ids.length-1; i >= 0; i--) {
1300                                 if (visible_ids[i] != getActiveArticleId()) {
1301                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1302
1303                                         if (e && e.className.match("Unread")) {
1304                                                 ids_to_mark.push(visible_ids[i]);
1305                                         }
1306                                 } else {
1307                                         break;
1308                                 }
1309                         }
1310                 }
1311
1312                 if (ids_to_mark.length == 0) {
1313                         alert(__("No articles found to mark"));
1314                 } else {
1315                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1316
1317                         if (confirm(msg)) {
1318
1319                                 for (var i = 0; i < ids_to_mark.length; i++) {
1320                                         var e = document.getElementById("RROW-" + ids_to_mark[i]);
1321                                         e.className = e.className.replace("Unread", "");
1322                                 }
1323
1324                                 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1325                                         param_escape(ids_to_mark.toString()) + "&cmode=0";
1326
1327                                 xmlhttp_rpc.open("GET", query, true);
1328                                 xmlhttp_rpc.onreadystatechange=catchup_callback;
1329                                 xmlhttp_rpc.send(null);
1330
1331                         }
1332                 }
1333
1334         } catch (e) {
1335                 exception_error("catchupRelativeToArticle", e);
1336         }
1337 }