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_callback2(xmlhttp_rpc);
  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                         new Ajax.Request(query, {
 454                                 onComplete: function(transport) {
 455                                         all_counters_callback2(transport);
 456                                 } });
 457
 458                 }
 459
 460         } catch (e) {
 461                 exception_error("toggleMark", e);
 462         }
 463 }
 464
 465 function togglePub(id, client_only, no_effects) {
 466
 467         try {
 468
 469                 var query = "backend.php?op=rpc&id=" + id + "&subop=publ";
 470
 471                 query = query + "&afid=" + getActiveFeedId();
 472
 473                 if (tagsAreDisplayed()) {
 474                         query = query + "&omode=tl";
 475                 } else {
 476                         query = query + "&omode=flc";
 477                 }
 478
 479                 var mark_img = document.getElementById("FPPIC-" + id);
 480                 var vfeedu = document.getElementById("FEEDU--2");
 481                 var crow = document.getElementById("RROW-" + id);
 482
 483                 if (mark_img.src.match("pub_unset")) {
 484                         mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
 485                         mark_img.alt = __("Unpublish article");
 486                         query = query + "&pub=1";
 487
 488 /*                      if (vfeedu && crow.className.match("Unread")) {
 489                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 490                         } */
 491
 492                 } else {
 493                         //mark_img.src = "images/pub_unset.png";
 494                         mark_img.alt = __("Please wait...");
 495                         query = query + "&pub=0";
 496
 497 /*                      if (vfeedu && crow.className.match("Unread")) {
 498                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 499                         } */
 500
 501                         if (document.getElementById("headlinesList") && !no_effects) {
 502                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 503                         } else {
 504                                 mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
 505                                 mark_img.alt = __("Publish article");
 506                         }
 507                 }
 508
 509 /*              var vfeedctr = document.getElementById("FEEDCTR--2");
 510                 var vfeedr = document.getElementById("FEEDR--2");
 511
 512                 if (vfeedu && vfeedctr) {
 513                         if ((+vfeedu.innerHTML) > 0) {
 514                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 515                                         vfeedr.className = vfeedr.className + "Unread";
 516                                         vfeedctr.className = "odd";
 517                                 }
 518                         } else {
 519                                 vfeedctr.className = "invisible";
 520                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 521                         }
 522                 }
 523
 524                 debug("toggle published for aid " + id);
 525
 526                 new Ajax.Request(query); */
 527
 528                 if (!client_only) {
 529                         new Ajax.Request(query, {
 530                                 onComplete: function(transport) {
 531                                         all_counters_callback2(transport);
 532                                 } });
 533                 }
 534
 535         } catch (e) {
 536
 537                 exception_error("togglePub", e);
 538         }
 539 }
 540
 541 function correctHeadlinesOffset(id) {
 542
 543         try {
 544
 545                 var hlist = document.getElementById("headlinesList");
 546                 var container = document.getElementById("headlinesInnerContainer");
 547                 var row = document.getElementById("RROW-" + id);
 548
 549                 var viewport = container.offsetHeight;
 550
 551                 var rel_offset_top = row.offsetTop - container.scrollTop;
 552                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 553
 554                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 555                 debug("Vport: " + viewport);
 556
 557                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 558                         container.scrollTop = row.offsetTop;
 559                 } else if (rel_offset_bottom > viewport) {
 560
 561                         /* doesn't properly work with Opera in some cases because
 562                                 Opera fucks up element scrolling */
 563
 564                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 565                 }
 566
 567         } catch (e) {
 568                 exception_error("correctHeadlinesOffset", e);
 569         }
 570
 571 }
 572
 573 function moveToPost(mode) {
 574
 575         // check for combined mode
 576         if (!document.getElementById("headlinesList"))
 577                 return;
 578
 579         var rows = getVisibleHeadlineIds();
 580
 581         var prev_id = false;
 582         var next_id = false;
 583
 584         if (!document.getElementById('RROW-' + active_post_id)) {
 585                 active_post_id = false;
 586         }
 587
 588         if (active_post_id == false) {
 589                 next_id = getFirstVisibleHeadlineId();
 590                 prev_id = getLastVisibleHeadlineId();
 591         } else {
 592                 for (var i = 0; i < rows.length; i++) {
 593                         if (rows[i] == active_post_id) {
 594                                 prev_id = rows[i-1];
 595                                 next_id = rows[i+1];
 596                         }
 597                 }
 598         }
 599
 600         if (mode == "next") {
 601                 if (next_id) {
 602                         correctHeadlinesOffset(next_id);
 603                         view(next_id, getActiveFeedId());
 604                 }
 605         }
 606
 607         if (mode == "prev") {
 608                 if (prev_id) {
 609                         correctHeadlinesOffset(prev_id);
 610                         view(prev_id, getActiveFeedId());
 611                 }
 612         }
 613 }
 614
 615 function toggleUnread(id, cmode) {
 616         try {
 617
 618                 var row = document.getElementById("RROW-" + id);
 619                 if (row) {
 620                         var nc = row.className;
 621                         nc = nc.replace("Unread", "");
 622                         nc = nc.replace("Selected", "");
 623
 624                         if (row.className.match("Unread")) {
 625                                 row.className = nc;
 626                         } else {
 627                                 row.className = nc + "Unread";
 628                         }
 629
 630                         if (!cmode) cmode = 2;
 631
 632                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 633                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 634
 635 //                      notify_progress("Loading, please wait...");
 636
 637                         new Ajax.Request(query, {
 638                                 onComplete: function(transport) {
 639                                         all_counters_callback2(transport);
 640                                 } });
 641
 642                 }
 643
 644
 645         } catch (e) {
 646                 exception_error("toggleUnread", e);
 647         }
 648 }
 649
 650 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
 651         try {
 652 /*              if (!xmlhttp_ready(xmlhttp_rpc)) {
 653                         printLockingError();
 654                         return;
 655                 } */
 656
 657                 var rows;
 658
 659                 if (cdm_mode) {
 660                         rows = cdmGetSelectedArticles();
 661                 } else {
 662                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 663                 }
 664
 665                 if (rows.length == 0 && !no_error) {
 666                         alert(__("No articles are selected."));
 667                         return;
 668                 }
 669
 670                 for (i = 0; i < rows.length; i++) {
 671                         var row = document.getElementById("RROW-" + rows[i]);
 672                         if (row) {
 673                                 var nc = row.className;
 674                                 nc = nc.replace("Unread", "");
 675                                 nc = nc.replace("Selected", "");
 676
 677                                 if (set_state == undefined) {
 678                                         if (row.className.match("Unread")) {
 679                                                 row.className = nc + "Selected";
 680                                         } else {
 681                                                 row.className = nc + "UnreadSelected";
 682                                         }
 683                                 }
 684
 685                                 if (set_state == false) {
 686                                         row.className = nc + "Selected";
 687                                 }
 688
 689                                 if (set_state == true) {
 690                                         row.className = nc + "UnreadSelected";
 691                                 }
 692                         }
 693                 }
 694
 695                 if (rows.length > 0) {
 696
 697                         var cmode = "";
 698
 699                         if (set_state == undefined) {
 700                                 cmode = "2";
 701                         } else if (set_state == true) {
 702                                 cmode = "1";
 703                         } else if (set_state == false) {
 704                                 cmode = "0";
 705                         }
 706
 707                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 708                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 709
 710 //                      _catchup_callback_func = callback_func;
 711
 712                         debug(callback_func);
 713
 714                         notify_progress("Loading, please wait...");
 715
 716 /*                      xmlhttp_rpc.open("GET", query, true);
 717                         xmlhttp_rpc.onreadystatechange=catchup_callback;
 718                         xmlhttp_rpc.send(null); */
 719
 720                         new Ajax.Request(query, {
 721                                 onComplete: function(transport) {
 722                                         catchup_callback2(transport, callback_func);
 723                                 } });
 724
 725                 }
 726
 727         } catch (e) {
 728                 exception_error("selectionToggleUnread", e);
 729         }
 730 }
 731
 732 function selectionToggleMarked(cdm_mode) {
 733         try {
 734
 735                 var rows;
 736
 737                 if (cdm_mode) {
 738                         rows = cdmGetSelectedArticles();
 739                 } else {
 740                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 741                 }
 742
 743                 if (rows.length == 0) {
 744                         alert(__("No articles are selected."));
 745                         return;
 746                 }
 747
 748                 for (i = 0; i < rows.length; i++) {
 749                         toggleMark(rows[i], true, true);
 750                 }
 751
 752                 if (rows.length > 0) {
 753
 754                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 755                                 param_escape(rows.toString()) + "&cmode=2";
 756
 757                         query = query + "&afid=" + getActiveFeedId();
 758
 759 /*                      if (tagsAreDisplayed()) {
 760                                 query = query + "&omode=tl";
 761                         } else {
 762                                 query = query + "&omode=flc";
 763                         } */
 764
 765                         query = query + "&omode=lc";
 766
 767                         new Ajax.Request(query, {
 768                                 onComplete: function(transport) {
 769                                         all_counters_callback2(transport);
 770                                 } });
 771
 772                 }
 773
 774         } catch (e) {
 775                 exception_error("selectionToggleMarked", e);
 776         }
 777 }
 778
 779 function selectionTogglePublished(cdm_mode) {
 780         try {
 781
 782                 var rows;
 783
 784                 if (cdm_mode) {
 785                         rows = cdmGetSelectedArticles();
 786                 } else {
 787                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 788                 }
 789
 790                 if (rows.length == 0) {
 791                         alert(__("No articles are selected."));
 792                         return;
 793                 }
 794
 795                 for (i = 0; i < rows.length; i++) {
 796                         togglePub(rows[i], true, true);
 797                 }
 798
 799                 if (rows.length > 0) {
 800
 801                         var query = "backend.php?op=rpc&subop=publishSelected&ids=" +
 802                                 param_escape(rows.toString()) + "&cmode=2";
 803
 804                         query = query + "&afid=" + getActiveFeedId();
 805
 806 /*                      if (tagsAreDisplayed()) {
 807                                 query = query + "&omode=tl";
 808                         } else {
 809                                 query = query + "&omode=flc";
 810                         } */
 811
 812                         query = query + "&omode=lc";
 813
 814                         new Ajax.Request(query, {
 815                                 onComplete: function(transport) {
 816                                         all_counters_callback2(transport);
 817                                 } });
 818
 819                 }
 820
 821         } catch (e) {
 822                 exception_error("selectionToggleMarked", e);
 823         }
 824 }
 825
 826 function cdmGetSelectedArticles() {
 827         var sel_articles = new Array();
 828         var container = document.getElementById("headlinesInnerContainer");
 829
 830         for (i = 0; i < container.childNodes.length; i++) {
 831                 var child = container.childNodes[i];
 832
 833                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 834                         var c_id = child.id.replace("RROW-", "");
 835                         sel_articles.push(c_id);
 836                 }
 837         }
 838
 839         return sel_articles;
 840 }
 841
 842 function cdmGetVisibleArticles() {
 843         var sel_articles = new Array();
 844         var container = document.getElementById("headlinesInnerContainer");
 845
 846         for (i = 0; i < container.childNodes.length; i++) {
 847                 var child = container.childNodes[i];
 848
 849                 if (child.id.match("RROW-")) {
 850                         var c_id = child.id.replace("RROW-", "");
 851                         sel_articles.push(c_id);
 852                 }
 853         }
 854
 855         return sel_articles;
 856 }
 857
 858 function cdmGetUnreadArticles() {
 859         var sel_articles = new Array();
 860         var container = document.getElementById("headlinesInnerContainer");
 861
 862         for (i = 0; i < container.childNodes.length; i++) {
 863                 var child = container.childNodes[i];
 864
 865                 if (child.id.match("RROW-") && child.className.match("Unread")) {
 866                         var c_id = child.id.replace("RROW-", "");
 867                         sel_articles.push(c_id);
 868                 }
 869         }
 870
 871         return sel_articles;
 872 }
 873
 874
 875 // mode = all,none,unread
 876 function cdmSelectArticles(mode) {
 877         var container = document.getElementById("headlinesInnerContainer");
 878
 879         for (i = 0; i < container.childNodes.length; i++) {
 880                 var child = container.childNodes[i];
 881
 882                 if (child.id.match("RROW-")) {
 883                         var aid = child.id.replace("RROW-", "");
 884
 885                         var cb = document.getElementById("RCHK-" + aid);
 886
 887                         if (mode == "all") {
 888                                 if (!child.className.match("Selected")) {
 889                                         child.className = child.className + "Selected";
 890                                         cb.checked = true;
 891                                 }
 892                         } else if (mode == "unread") {
 893                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 894                                         child.className = child.className + "Selected";
 895                                         cb.checked = true;
 896                                 }
 897                         } else {
 898                                 child.className = child.className.replace("Selected", "");
 899                                 cb.checked = false;
 900                         }
 901                 }
 902         }
 903 }
 904
 905 function catchupPage() {
 906
 907         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 908
 909         var str = __("Mark all visible articles in %s as read?");
 910
 911         str = str.replace("%s", fn);
 912
 913         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 914                 return;
 915         }
 916
 917         if (document.getElementById("headlinesList")) {
 918                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 919                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 920                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 921         } else {
 922                 cdmSelectArticles('all');
 923                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 924                 cdmSelectArticles('none');
 925         }
 926 }
 927
 928 function catchupSelection() {
 929
 930         try {
 931
 932                 var rows;
 933
 934                 if (document.getElementById("headlinesList")) {
 935                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 936                 } else {
 937                         rows = cdmGetSelectedArticles();
 938                 }
 939
 940                 if (rows.length == 0) {
 941                         alert(__("No articles are selected."));
 942                         return;
 943                 }
 944
 945
 946                 var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 947
 948                 var str = __("Mark all selected articles in %s as read?");
 949
 950                 str = str.replace("%s", fn);
 951
 952                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 953                         return;
 954                 }
 955
 956                 if (document.getElementById("headlinesList")) {
 957                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 958         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 959                 } else {
 960                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 961         //              cdmSelectArticles('none');
 962                 }
 963
 964         } catch (e) {
 965                 exception_error("catchupSelection", e);
 966         }
 967 }
 968
 969
 970 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
 971
 972         if (!xmlhttp_ready(xmlhttp_rpc)) {
 973                 printLockingError();
 974         }
 975
 976         var title = prompt(__("Please enter label title:"), "");
 977
 978         if (title) {
 979
 980                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
 981                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
 982                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
 983                         "&title=" + param_escape(title);
 984
 985                 debug("LFS: " + query);
 986
 987                 xmlhttp_rpc.open("GET", query, true);
 988                 xmlhttp_rpc.onreadystatechange=dlg_frefresh_callback;
 989                 xmlhttp_rpc.send(null);
 990         }
 991
 992 }
 993
 994 function editArticleTags(id, feed_id, cdm_enabled) {
 995         _tag_active_post_id = id;
 996         _tag_active_feed_id = feed_id;
 997         _tag_active_cdm = cdm_enabled;
 998
 999         cache_invalidate(id);
1000
1001         try {
1002                 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
1003         } catch (e) { }
1004         displayDlg('editArticleTags', id);
1005 }
1006
1007
1008 function tag_saved_callback() {
1009         if (xmlhttp_rpc.readyState == 4) {
1010                 try {
1011                         debug("in tag_saved_callback");
1012
1013                         closeInfoBox();
1014                         notify("");
1015
1016                         if (tagsAreDisplayed()) {
1017                                 _reload_feedlist_after_view = true;
1018                         }
1019
1020                         if (!_tag_active_cdm) {
1021                                 if (active_post_id == _tag_active_post_id) {
1022                                         debug("reloading current article");
1023                                         view(_tag_active_post_id, _tag_active_feed_id);
1024                                 }
1025                         } else {
1026                                 debug("reloading current feed");
1027                                 viewCurrentFeed();
1028                         }
1029
1030                 } catch (e) {
1031                         exception_error("catchup_callback", e);
1032                 }
1033         }
1034 }
1035
1036 function editTagsSave() {
1037
1038         if (!xmlhttp_ready(xmlhttp_rpc)) {
1039                 printLockingError();
1040         }
1041
1042         notify_progress("Saving article tags...");
1043
1044         var form = document.forms["tag_edit_form"];
1045
1046         var query = Form.serialize("tag_edit_form");
1047
1048         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
1049
1050         debug(query);
1051
1052         xmlhttp_rpc.open("GET", query, true);
1053         xmlhttp_rpc.onreadystatechange=tag_saved_callback;
1054         xmlhttp_rpc.send(null);
1055
1056 }
1057
1058 function editTagsInsert() {
1059         try {
1060
1061                 var form = document.forms["tag_edit_form"];
1062
1063                 var found_tags = form.found_tags;
1064                 var tags_str = form.tags_str;
1065
1066                 var tag = found_tags[found_tags.selectedIndex].value;
1067
1068                 if (tags_str.value.length > 0 &&
1069                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1070
1071                         tags_str.value = tags_str.value + ", ";
1072                 }
1073
1074                 tags_str.value = tags_str.value + tag + ", ";
1075
1076                 found_tags.selectedIndex = 0;
1077
1078         } catch (e) {
1079                 exception_error(e, "editTagsInsert");
1080         }
1081 }
1082
1083 function cdmWatchdog() {
1084
1085         try {
1086
1087                 var ctr = document.getElementById("headlinesInnerContainer");
1088
1089                 if (!ctr) return;
1090
1091                 var ids = new Array();
1092
1093                 var e = ctr.firstChild;
1094
1095                 while (e) {
1096                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1097                                         e.id.match("RROW-")) {
1098
1099                                 // article fits in viewport OR article is longer than viewport and
1100                                 // its bottom is visible
1101
1102                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1103                                                 ctr.scrollTop + ctr.offsetHeight) {
1104
1105 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1106 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1107 //                                              (ctr.scrollTop + ctr.offsetHeight));
1108
1109                                         ids.push(e.id.replace("RROW-", ""));
1110
1111                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1112                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1113                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1114
1115                                         ids.push(e.id.replace("RROW-", ""));
1116
1117                                 }
1118
1119                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1120
1121 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1122                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1123
1124                                         ids.push(e.id.replace("RROW-", ""));
1125
1126                                 } */
1127
1128                         }
1129
1130                         e = e.nextSibling;
1131                 }
1132
1133                 debug("cdmWatchdog, ids= " + ids.toString());
1134
1135                 if (ids.length > 0) {
1136
1137                         for (var i = 0; i < ids.length; i++) {
1138                                 var e = document.getElementById("RROW-" + ids[i]);
1139                                 if (e) {
1140                                         e.className = e.className.replace("Unread", "");
1141                                 }
1142                         }
1143
1144                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1145                                 param_escape(ids.toString()) + "&cmode=0";
1146
1147                         new Ajax.Request(query, {
1148                                 onComplete: function(transport) {
1149                                         all_counters_callback2(transport);
1150                                 } });
1151
1152                 }
1153
1154                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1155
1156         } catch (e) {
1157                 exception_error(e, "cdmWatchdog");
1158         }
1159
1160 }
1161
1162
1163 function cache_inject(id, article) {
1164         if (!cache_check(id)) {
1165                 debug("cache_article: miss: " + id);
1166
1167                 var cache_obj = new Array();
1168
1169                 cache_obj["id"] = id;
1170                 cache_obj["data"] = article;
1171
1172                 article_cache.push(cache_obj);
1173
1174         } else {
1175                 debug("cache_article: hit: " + id);
1176         }
1177 }
1178
1179 function cache_find(id) {
1180         for (var i = 0; i < article_cache.length; i++) {
1181                 if (article_cache[i]["id"] == id) {
1182                         return article_cache[i]["data"];
1183                 }
1184         }
1185         return false;
1186 }
1187
1188 function cache_check(id) {
1189         for (var i = 0; i < article_cache.length; i++) {
1190                 if (article_cache[i]["id"] == id) {
1191                         return true;
1192                 }
1193         }
1194         return false;
1195 }
1196
1197 function cache_expire() {
1198         while (article_cache.length > 20) {
1199                 article_cache.shift();
1200         }
1201 }
1202
1203 function cache_invalidate(id) {
1204         var i = 0
1205
1206         try {
1207
1208                 while (i < article_cache.length) {
1209                         if (article_cache[i]["id"] == id) {
1210                                 debug("cache_invalidate: removed id " + id);
1211                                 article_cache.splice(i, 1);
1212                                 return true;
1213                         }
1214                         i++;
1215                 }
1216                 debug("cache_invalidate: id not found: " + id);
1217                 return false;
1218         } catch (e) {
1219                 exception_error("cache_invalidate", e);
1220         }
1221 }
1222
1223 function getActiveArticleId() {
1224         return active_post_id;
1225 }
1226
1227 function cdmMouseIn(elem) {
1228         try {
1229                 if (elem.id && elem.id.match("RROW-")) {
1230                         var id = elem.id.replace("RROW-", "");
1231                         active_post_id = id;
1232                 }
1233         } catch (e) {
1234                 exception_error("cdmMouseIn", e);
1235         }
1236
1237 }
1238
1239 function cdmMouseOut(elem) {
1240         active_post_id = false;
1241 }
1242
1243 function headlines_scroll_handler() {
1244         try {
1245
1246                 var e = document.getElementById("headlinesInnerContainer");
1247
1248                 if (e.scrollTop + e.offsetHeight > e.scrollHeight - 300) {
1249                         debug("more cowbell!");
1250
1251                         viewNextFeedPage();
1252                 }
1253
1254         } catch (e) {
1255                 exception_error("headlines_scroll_handler", e);
1256         }
1257 }
1258
1259 function catchupRelativeToArticle(below) {
1260
1261         try {
1262
1263                 if (!xmlhttp_ready(xmlhttp_rpc)) {
1264                         printLockingError();
1265                 }
1266
1267                 if (!getActiveArticleId()) {
1268                         alert(__("No article is selected."));
1269                         return;
1270                 }
1271
1272                 var visible_ids;
1273
1274                 if (document.getElementById("headlinesList")) {
1275                         visible_ids = getVisibleHeadlineIds();
1276                 } else {
1277                         visible_ids = cdmGetVisibleArticles();
1278                 }
1279
1280                 var ids_to_mark = new Array();
1281
1282                 if (!below) {
1283                         for (var i = 0; i < visible_ids.length; i++) {
1284                                 if (visible_ids[i] != getActiveArticleId()) {
1285                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1286
1287                                         if (e && e.className.match("Unread")) {
1288                                                 ids_to_mark.push(visible_ids[i]);
1289                                         }
1290                                 } else {
1291                                         break;
1292                                 }
1293                         }
1294                 } else {
1295                         for (var i = visible_ids.length-1; i >= 0; i--) {
1296                                 if (visible_ids[i] != getActiveArticleId()) {
1297                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1298
1299                                         if (e && e.className.match("Unread")) {
1300                                                 ids_to_mark.push(visible_ids[i]);
1301                                         }
1302                                 } else {
1303                                         break;
1304                                 }
1305                         }
1306                 }
1307
1308                 if (ids_to_mark.length == 0) {
1309                         alert(__("No articles found to mark"));
1310                 } else {
1311                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1312
1313                         if (confirm(msg)) {
1314
1315                                 for (var i = 0; i < ids_to_mark.length; i++) {
1316                                         var e = document.getElementById("RROW-" + ids_to_mark[i]);
1317                                         e.className = e.className.replace("Unread", "");
1318                                 }
1319
1320                                 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1321                                         param_escape(ids_to_mark.toString()) + "&cmode=0";
1322
1323                                 xmlhttp_rpc.open("GET", query, true);
1324                                 xmlhttp_rpc.onreadystatechange=catchup_callback;
1325                                 xmlhttp_rpc.send(null);
1326
1327                         }
1328                 }
1329
1330         } catch (e) {
1331                 exception_error("catchupRelativeToArticle", e);
1332         }
1333 }