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 clean_feed_selections() {
  49         try {
  50                 var feeds = document.getElementById("feedList").getElementsByTagName("LI");
  51
  52                 for (var i = 0; i < feeds.length; i++) {
  53                         if (feeds[i].id && feeds[i].id.match("FEEDR-")) {
  54                                 feeds[i].className = feeds[i].className.replace("Selected", "");
  55                         }
  56                 }
  57         } catch (e) {
  58                 exception_error("clean_feed_selections", e);
  59         }
  60 }
  61
  62 function headlines_callback2(transport, active_feed_id, is_cat, feed_cur_page) {
  63         try {
  64
  65                 debug("headlines_callback2 [page=" + feed_cur_page + "]");
  66
  67                 clean_feed_selections();
  68
  69                 setActiveFeedId(active_feed_id);
  70
  71                 if (is_cat != undefined) {
  72                         active_feed_is_cat = is_cat;
  73                 }
  74
  75                 if (!is_cat) {
  76                         var feedr = document.getElementById("FEEDR-" + active_feed_id);
  77                         if (feedr && !feedr.className.match("Selected")) {
  78                                 feedr.className = feedr.className + "Selected";
  79                         }
  80                 }
  81
  82                 var f = document.getElementById("headlines-frame");
  83                 try {
  84                         if (feed_cur_page == 0) {
  85                                 debug("resetting headlines scrollTop");
  86                                 f.scrollTop = 0;
  87                         }
  88                 } catch (e) { };
  89
  90                 if (transport.responseXML) {
  91                         var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
  92                         var headlines_count_obj = transport.responseXML.getElementsByTagName("headlines-count")[0];
  93                         var headlines_unread_obj = transport.responseXML.getElementsByTagName("headlines-unread")[0];
  94
  95                         var headlines_count = headlines_count_obj.getAttribute("value");
  96                         var headlines_unread = headlines_unread_obj.getAttribute("value");
  97
  98                         if (headlines_count == 0) _infscroll_disable = 1;
  99
 100                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 101                         var articles = transport.responseXML.getElementsByTagName("article");
 102                         var runtime_info = transport.responseXML.getElementsByTagName("runtime-info");
 103
 104                         if (feed_cur_page == 0) {
 105                                 if (headlines) {
 106                                         f.innerHTML = headlines.firstChild.nodeValue;
 107
 108                                         var cache_prefix = "";
 109
 110                                         if (is_cat) {
 111                                                 cache_prefix = "C:";
 112                                         } else {
 113                                                 cache_prefix = "F:";
 114                                         }
 115
 116                                         cache_invalidate(cache_prefix + active_feed_id);
 117
 118                                         cache_inject(cache_prefix + active_feed_id,
 119                                                 headlines.firstChild.nodeValue, headlines_unread);
 120
 121                                 } else {
 122                                         debug("headlines_callback: returned no data");
 123                                 f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
 124
 125                                 }
 126                         } else {
 127                                 if (headlines) {
 128                                         if (headlines_count > 0) {
 129                                                 debug("adding some more headlines...");
 130
 131                                                 var c = document.getElementById("headlinesList");
 132
 133                                                 if (!c) {
 134                                                         c = document.getElementById("headlinesInnerContainer");
 135                                                 }
 136
 137                                                 var ids = getSelectedArticleIds2();
 138
 139                                                 c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
 140
 141                                                 debug("restore selected ids: " + ids);
 142
 143                                                 for (var i = 0; i < ids.length; i++) {
 144                                                         markHeadline(ids[i]);
 145                                                 }
 146
 147                                         } else {
 148                                                 debug("no new headlines received");
 149                                         }
 150                                 } else {
 151                                         debug("headlines_callback: returned no data");
 152                                         notify_error("Error while trying to load more headlines");
 153                                 }
 154
 155                         }
 156
 157                         if (articles) {
 158                                 for (var i = 0; i < articles.length; i++) {
 159                                         var a_id = articles[i].getAttribute("id");
 160                                         debug("found id: " + a_id);
 161                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 162                                 }
 163                         } else {
 164                                 debug("no cached articles received");
 165                         }
 166
 167                         if (counters) {
 168                                 debug("parsing piggybacked counters: " + counters);
 169                                 parse_counters(counters, false);
 170                         } else {
 171                                 debug("counters container not found in reply");
 172                         }
 173
 174                         if (runtime_info) {
 175                                 debug("parsing runtime info: " + runtime_info[0]);
 176                                 parse_runtime_info(runtime_info[0]);
 177                         } else {
 178                                 debug("counters container not found in reply");
 179                         }
 180
 181                 } else {
 182                         debug("headlines_callback: returned no XML object");
 183                         f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML object)') + "</div>";
 184                 }
 185
 186                 if (typeof correctPNG != 'undefined') {
 187                         correctPNG();
 188                 }
 189
 190                 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
 191
 192                 if (!document.getElementById("headlinesList") &&
 193                                 getInitParam("cdm_auto_catchup") == 1) {
 194                         debug("starting CDM watchdog");
 195                         _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 196                         _cdm_wd_vishist = new Array();
 197                 } else {
 198                         debug("not in CDM mode or watchdog disabled");
 199                 }
 200
 201                 if (_tag_cdm_scroll) {
 202                         try {
 203                                 document.getElementById("headlinesInnerContainer").scrollTop = _tag_cdm_scroll;
 204                                 _tag_cdm_scroll = false;
 205                                 debug("resetting headlinesInner scrollTop");
 206
 207                         } catch (e) { }
 208                 }
 209
 210                 _feed_cur_page = feed_cur_page;
 211                 _infscroll_request_sent = 0;
 212
 213                 notify("");
 214         } catch (e) {
 215                 exception_error("headlines_callback2", e);
 216         }
 217 }
 218
 219 function render_article(article) {
 220         try {
 221                 var f = document.getElementById("content-frame");
 222                 try {
 223                         f.scrollTop = 0;
 224                 } catch (e) { };
 225
 226                 f.innerHTML = article;
 227
 228         } catch (e) {
 229                 exception_error("render_article", e);
 230         }
 231 }
 232
 233 function showArticleInHeadlines(id) {
 234
 235         try {
 236
 237                 cleanSelected("headlinesList");
 238
 239                 var crow = document.getElementById("RROW-" + id);
 240
 241                 if (!crow) return;
 242
 243                 var article_is_unread = crow.className.match("Unread");
 244
 245                 crow.className = crow.className.replace("Unread", "");
 246
 247                 var upd_img_pic = document.getElementById("FUPDPIC-" + id);
 248
 249                 if (upd_img_pic) {
 250                         upd_img_pic.src = "images/blank_icon.gif";
 251                 }
 252
 253                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 254                 markHeadline(id);
 255
 256         } catch (e) {
 257                 exception_error("showArticleInHeadlines", e);
 258         }
 259 }
 260
 261 function article_callback2(transport, id, feed_id) {
 262         try {
 263                 debug("article_callback2 " + id);
 264
 265                 if (transport.responseXML) {
 266
 267                         active_real_feed_id = feed_id;
 268                         active_post_id = id;
 269
 270                         showArticleInHeadlines(id);
 271
 272                         var reply = transport.responseXML.firstChild.firstChild;
 273
 274                         var articles = transport.responseXML.getElementsByTagName("article");
 275
 276                         for (var i = 0; i < articles.length; i++) {
 277                                 var a_id = articles[i].getAttribute("id");
 278
 279                                 debug("found id: " + a_id);
 280
 281                                 if (a_id == active_post_id) {
 282                                         debug("active article, rendering...");
 283                                         render_article(articles[i].firstChild.nodeValue);
 284                                 }
 285
 286                                 cache_inject(a_id, articles[i].firstChild.nodeValue);
 287                         }
 288
 289                 } else {
 290                         debug("article_callback: returned no XML object");
 291                         var f = document.getElementById("content-frame");
 292                         f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 293                 }
 294
 295                 var date = new Date();
 296                 last_article_view = date.getTime() / 1000;
 297
 298                 if (typeof correctPNG != 'undefined') {
 299                         correctPNG();
 300                 }
 301
 302                 if (_reload_feedlist_after_view) {
 303                         setTimeout('updateFeedList(false, false)', 50);
 304                         _reload_feedlist_after_view = false;
 305                 } else {
 306                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 307
 308                         if (counters) {
 309                                 debug("parsing piggybacked counters: " + counters);
 310                                 parse_counters(counters, false);
 311                         } else {
 312                                 debug("counters container not found in reply");
 313                         }
 314                 }
 315
 316                 notify("");
 317         } catch (e) {
 318                 exception_error("article_callback2", e);
 319         }
 320 }
 321
 322 function view(id, feed_id, skip_history) {
 323
 324         try {
 325                 debug("loading article: " + id + "/" + feed_id);
 326
 327                 var cached_article = cache_find(id);
 328
 329                 debug("cache check result: " + (cached_article != false));
 330
 331                 enableHotkeys();
 332
 333                 //setActiveFeedId(feed_id);
 334
 335                 var query = "backend.php?op=view&id=" + param_escape(id) +
 336                         "&feed=" + param_escape(feed_id);
 337
 338                 var date = new Date();
 339
 340                 var neighbor_ids = getRelativePostIds(active_post_id);
 341
 342                 /* only request uncached articles */
 343
 344                 var cids_to_request = Array();
 345
 346                 for (var i = 0; i < neighbor_ids.length; i++) {
 347                         if (!cache_check(neighbor_ids[i])) {
 348                                 cids_to_request.push(neighbor_ids[i]);
 349                         }
 350                 }
 351
 352                 debug("additional ids: " + cids_to_request.toString());
 353
 354                 /* additional info for piggyback counters */
 355
 356                 if (tagsAreDisplayed()) {
 357                         query = query + "&omode=lt";
 358                 } else {
 359                         query = query + "&omode=flc";
 360                 }
 361
 362                 var date = new Date();
 363                 var timestamp = Math.round(date.getTime() / 1000);
 364                 query = query + "&ts=" + timestamp;
 365
 366                 query = query + "&cids=" + cids_to_request.toString();
 367
 368                 var crow = document.getElementById("RROW-" + id);
 369                 var article_is_unread = crow.className.match("Unread");
 370
 371                 showArticleInHeadlines(id);
 372
 373                 if (!cached_article) {
 374
 375                         notify_progress("Loading, please wait...");
 376
 377                 } else if (cached_article && article_is_unread) {
 378
 379                         query = query + "&mode=prefetch";
 380
 381                         render_article(cached_article);
 382
 383                 } else if (cached_article) {
 384
 385                         query = query + "&mode=prefetch_old";
 386                         render_article(cached_article);
 387                 }
 388
 389                 cache_expire();
 390
 391                 new Ajax.Request(query, {
 392                         onComplete: function(transport) {
 393                                 article_callback2(transport, id, feed_id);
 394                         } });
 395
 396         } catch (e) {
 397                 exception_error("view", e);
 398         }
 399 }
 400
 401 function tMark(id) {
 402         return toggleMark(id);
 403 }
 404
 405 function tPub(id) {
 406         return togglePub(id);
 407 }
 408
 409 function tMark_afh_off(effect) {
 410         try {
 411                 var elem = effect.effects[0].element;
 412
 413                 debug("tMark_afh_off : " + elem.id);
 414
 415                 if (elem) {
 416                         elem.src = elem.src.replace("mark_set", "mark_unset");
 417                         elem.alt = __("Star article");
 418                         Element.show(elem);
 419                 }
 420
 421         } catch (e) {
 422                 exception_error("tMark_afh_off", e);
 423         }
 424 }
 425
 426 function tPub_afh_off(effect) {
 427         try {
 428                 var elem = effect.effects[0].element;
 429
 430                 debug("tPub_afh_off : " + elem.id);
 431
 432                 if (elem) {
 433                         elem.src = elem.src.replace("pub_set", "pub_unset");
 434                         elem.alt = __("Publish article");
 435                         Element.show(elem);
 436                 }
 437
 438         } catch (e) {
 439                 exception_error("tPub_afh_off", e);
 440         }
 441 }
 442
 443 function toggleMark(id, client_only, no_effects) {
 444
 445         try {
 446
 447                 var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 448
 449                 query = query + "&afid=" + getActiveFeedId();
 450
 451                 if (tagsAreDisplayed()) {
 452                         query = query + "&omode=tl";
 453                 } else {
 454                         query = query + "&omode=flc";
 455                 }
 456
 457                 var mark_img = document.getElementById("FMPIC-" + id);
 458                 var vfeedu = document.getElementById("FEEDU--1");
 459                 var crow = document.getElementById("RROW-" + id);
 460
 461                 if (mark_img.src.match("mark_unset")) {
 462                         mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
 463                         mark_img.alt = __("Unstar article");
 464                         query = query + "&mark=1";
 465
 466 /*                      if (vfeedu && crow.className.match("Unread")) {
 467                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 468                         } */
 469
 470                 } else {
 471                         //mark_img.src = "images/mark_unset.png";
 472                         mark_img.alt = __("Please wait...");
 473                         query = query + "&mark=0";
 474
 475 /*                      if (vfeedu && crow.className.match("Unread")) {
 476                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 477                         } */
 478
 479                         if (document.getElementById("headlinesList") && !no_effects) {
 480                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 481                         } else {
 482                                 mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
 483                                 mark_img.alt = __("Star article");
 484                         }
 485                 }
 486
 487 /*              var vfeedctr = document.getElementById("FEEDCTR--1");
 488                 var vfeedr = document.getElementById("FEEDR--1");
 489
 490                 if (vfeedu && vfeedctr) {
 491                         if ((+vfeedu.innerHTML) > 0) {
 492                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 493                                         vfeedr.className = vfeedr.className + "Unread";
 494                                         vfeedctr.className = "odd";
 495                                 }
 496                         } else {
 497                                 vfeedctr.className = "invisible";
 498                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 499                         }
 500                 }
 501
 502                 debug("toggle starred for aid " + id);
 503
 504                 //new Ajax.Request(query); */
 505
 506                 if (!client_only) {
 507                         debug(query);
 508
 509                         new Ajax.Request(query, {
 510                                 onComplete: function(transport) {
 511                                         all_counters_callback2(transport);
 512                                 } });
 513
 514                 }
 515
 516         } catch (e) {
 517                 exception_error("toggleMark", e);
 518         }
 519 }
 520
 521 function togglePub(id, client_only, no_effects) {
 522
 523         try {
 524
 525                 var query = "backend.php?op=rpc&id=" + id + "&subop=publ";
 526
 527                 query = query + "&afid=" + getActiveFeedId();
 528
 529                 if (tagsAreDisplayed()) {
 530                         query = query + "&omode=tl";
 531                 } else {
 532                         query = query + "&omode=flc";
 533                 }
 534
 535                 var mark_img = document.getElementById("FPPIC-" + id);
 536                 var vfeedu = document.getElementById("FEEDU--2");
 537                 var crow = document.getElementById("RROW-" + id);
 538
 539                 if (mark_img.src.match("pub_unset")) {
 540                         mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
 541                         mark_img.alt = __("Unpublish article");
 542                         query = query + "&pub=1";
 543
 544 /*                      if (vfeedu && crow.className.match("Unread")) {
 545                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 546                         } */
 547
 548                 } else {
 549                         //mark_img.src = "images/pub_unset.png";
 550                         mark_img.alt = __("Please wait...");
 551                         query = query + "&pub=0";
 552
 553 /*                      if (vfeedu && crow.className.match("Unread")) {
 554                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 555                         } */
 556
 557                         if (document.getElementById("headlinesList") && !no_effects) {
 558                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 559                         } else {
 560                                 mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
 561                                 mark_img.alt = __("Publish article");
 562                         }
 563                 }
 564
 565 /*              var vfeedctr = document.getElementById("FEEDCTR--2");
 566                 var vfeedr = document.getElementById("FEEDR--2");
 567
 568                 if (vfeedu && vfeedctr) {
 569                         if ((+vfeedu.innerHTML) > 0) {
 570                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 571                                         vfeedr.className = vfeedr.className + "Unread";
 572                                         vfeedctr.className = "odd";
 573                                 }
 574                         } else {
 575                                 vfeedctr.className = "invisible";
 576                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 577                         }
 578                 }
 579
 580                 debug("toggle published for aid " + id);
 581
 582                 new Ajax.Request(query); */
 583
 584                 if (!client_only) {
 585                         new Ajax.Request(query, {
 586                                 onComplete: function(transport) {
 587                                         all_counters_callback2(transport);
 588                                 } });
 589                 }
 590
 591         } catch (e) {
 592
 593                 exception_error("togglePub", e);
 594         }
 595 }
 596
 597 function correctHeadlinesOffset(id) {
 598
 599         try {
 600
 601                 var hlist = document.getElementById("headlinesList");
 602                 var container = document.getElementById("headlinesInnerContainer");
 603                 var row = document.getElementById("RROW-" + id);
 604
 605                 var viewport = container.offsetHeight;
 606
 607                 var rel_offset_top = row.offsetTop - container.scrollTop;
 608                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 609
 610                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 611                 debug("Vport: " + viewport);
 612
 613                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 614                         container.scrollTop = row.offsetTop;
 615                 } else if (rel_offset_bottom > viewport) {
 616
 617                         /* doesn't properly work with Opera in some cases because
 618                                 Opera fucks up element scrolling */
 619
 620                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 621                 }
 622
 623         } catch (e) {
 624                 exception_error("correctHeadlinesOffset", e);
 625         }
 626
 627 }
 628
 629 function moveToPost(mode) {
 630
 631         // check for combined mode
 632         if (!document.getElementById("headlinesList"))
 633                 return;
 634
 635         var rows = getVisibleHeadlineIds();
 636
 637         var prev_id = false;
 638         var next_id = false;
 639
 640         if (!document.getElementById('RROW-' + active_post_id)) {
 641                 active_post_id = false;
 642         }
 643
 644         if (active_post_id == false) {
 645                 next_id = getFirstVisibleHeadlineId();
 646                 prev_id = getLastVisibleHeadlineId();
 647         } else {
 648                 for (var i = 0; i < rows.length; i++) {
 649                         if (rows[i] == active_post_id) {
 650                                 prev_id = rows[i-1];
 651                                 next_id = rows[i+1];
 652                         }
 653                 }
 654         }
 655
 656         if (mode == "next") {
 657                 if (next_id) {
 658                         correctHeadlinesOffset(next_id);
 659                         view(next_id, getActiveFeedId());
 660                 }
 661         }
 662
 663         if (mode == "prev") {
 664                 if (prev_id) {
 665                         correctHeadlinesOffset(prev_id);
 666                         view(prev_id, getActiveFeedId());
 667                 }
 668         }
 669 }
 670
 671 function toggleUnread(id, cmode) {
 672         try {
 673
 674                 var row = document.getElementById("RROW-" + id);
 675                 if (row) {
 676                         var nc = row.className;
 677                         nc = nc.replace("Unread", "");
 678                         nc = nc.replace("Selected", "");
 679
 680                         if (cmode == undefined || cmode == 2) {
 681                                 if (row.className.match("Unread")) {
 682                                         row.className = nc;
 683                                 } else {
 684                                         row.className = nc + "Unread";
 685                                 }
 686                         } else if (cmode == 0) {
 687                                 row.className = nc;
 688                         } else if (cmode == 1) {
 689                                 row.className = nc + "Unread";
 690                         }
 691
 692                         if (cmode == undefined) cmode = 2;
 693
 694                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 695                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 696
 697 //                      notify_progress("Loading, please wait...");
 698
 699                         new Ajax.Request(query, {
 700                                 onComplete: function(transport) {
 701                                         all_counters_callback2(transport);
 702                                 } });
 703
 704                 }
 705
 706
 707         } catch (e) {
 708                 exception_error("toggleUnread", e);
 709         }
 710 }
 711
 712 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
 713         try {
 714                 var rows;
 715
 716                 if (cdm_mode) {
 717                         rows = cdmGetSelectedArticles();
 718                 } else {
 719                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 720                 }
 721
 722                 if (rows.length == 0 && !no_error) {
 723                         alert(__("No articles are selected."));
 724                         return;
 725                 }
 726
 727                 for (i = 0; i < rows.length; i++) {
 728                         var row = document.getElementById("RROW-" + rows[i]);
 729                         if (row) {
 730                                 var nc = row.className;
 731                                 nc = nc.replace("Unread", "");
 732                                 nc = nc.replace("Selected", "");
 733
 734                                 if (set_state == undefined) {
 735                                         if (row.className.match("Unread")) {
 736                                                 row.className = nc + "Selected";
 737                                         } else {
 738                                                 row.className = nc + "UnreadSelected";
 739                                         }
 740                                 }
 741
 742                                 if (set_state == false) {
 743                                         row.className = nc + "Selected";
 744                                 }
 745
 746                                 if (set_state == true) {
 747                                         row.className = nc + "UnreadSelected";
 748                                 }
 749                         }
 750                 }
 751
 752                 if (rows.length > 0) {
 753
 754                         var cmode = "";
 755
 756                         if (set_state == undefined) {
 757                                 cmode = "2";
 758                         } else if (set_state == true) {
 759                                 cmode = "1";
 760                         } else if (set_state == false) {
 761                                 cmode = "0";
 762                         }
 763
 764                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 765                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 766
 767                         notify_progress("Loading, please wait...");
 768
 769                         new Ajax.Request(query, {
 770                                 onComplete: function(transport) {
 771                                         catchup_callback2(transport, callback_func);
 772                                 } });
 773
 774                 }
 775
 776         } catch (e) {
 777                 exception_error("selectionToggleUnread", e);
 778         }
 779 }
 780
 781 function selectionToggleMarked(cdm_mode) {
 782         try {
 783
 784                 var rows;
 785
 786                 if (cdm_mode) {
 787                         rows = cdmGetSelectedArticles();
 788                 } else {
 789                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 790                 }
 791
 792                 if (rows.length == 0) {
 793                         alert(__("No articles are selected."));
 794                         return;
 795                 }
 796
 797                 for (i = 0; i < rows.length; i++) {
 798                         toggleMark(rows[i], true, true);
 799                 }
 800
 801                 if (rows.length > 0) {
 802
 803                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 804                                 param_escape(rows.toString()) + "&cmode=2";
 805
 806                         query = query + "&afid=" + getActiveFeedId();
 807
 808 /*                      if (tagsAreDisplayed()) {
 809                                 query = query + "&omode=tl";
 810                         } else {
 811                                 query = query + "&omode=flc";
 812                         } */
 813
 814                         query = query + "&omode=lc";
 815
 816                         new Ajax.Request(query, {
 817                                 onComplete: function(transport) {
 818                                         all_counters_callback2(transport);
 819                                 } });
 820
 821                 }
 822
 823         } catch (e) {
 824                 exception_error("selectionToggleMarked", e);
 825         }
 826 }
 827
 828 function selectionTogglePublished(cdm_mode) {
 829         try {
 830
 831                 var rows;
 832
 833                 if (cdm_mode) {
 834                         rows = cdmGetSelectedArticles();
 835                 } else {
 836                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 837                 }
 838
 839                 if (rows.length == 0) {
 840                         alert(__("No articles are selected."));
 841                         return;
 842                 }
 843
 844                 for (i = 0; i < rows.length; i++) {
 845                         togglePub(rows[i], true, true);
 846                 }
 847
 848                 if (rows.length > 0) {
 849
 850                         var query = "backend.php?op=rpc&subop=publishSelected&ids=" +
 851                                 param_escape(rows.toString()) + "&cmode=2";
 852
 853                         query = query + "&afid=" + getActiveFeedId();
 854
 855 /*                      if (tagsAreDisplayed()) {
 856                                 query = query + "&omode=tl";
 857                         } else {
 858                                 query = query + "&omode=flc";
 859                         } */
 860
 861                         query = query + "&omode=lc";
 862
 863                         new Ajax.Request(query, {
 864                                 onComplete: function(transport) {
 865                                         all_counters_callback2(transport);
 866                                 } });
 867
 868                 }
 869
 870         } catch (e) {
 871                 exception_error("selectionToggleMarked", e);
 872         }
 873 }
 874
 875 function cdmGetSelectedArticles() {
 876         var sel_articles = new Array();
 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-") && child.className.match("Selected")) {
 883                         var c_id = child.id.replace("RROW-", "");
 884                         sel_articles.push(c_id);
 885                 }
 886         }
 887
 888         return sel_articles;
 889 }
 890
 891 function cdmGetVisibleArticles() {
 892         var sel_articles = new Array();
 893         var container = document.getElementById("headlinesInnerContainer");
 894
 895         for (i = 0; i < container.childNodes.length; i++) {
 896                 var child = container.childNodes[i];
 897
 898                 if (child.id.match("RROW-")) {
 899                         var c_id = child.id.replace("RROW-", "");
 900                         sel_articles.push(c_id);
 901                 }
 902         }
 903
 904         return sel_articles;
 905 }
 906
 907 function cdmGetUnreadArticles() {
 908         var sel_articles = new Array();
 909         var container = document.getElementById("headlinesInnerContainer");
 910
 911         for (i = 0; i < container.childNodes.length; i++) {
 912                 var child = container.childNodes[i];
 913
 914                 if (child.id.match("RROW-") && child.className.match("Unread")) {
 915                         var c_id = child.id.replace("RROW-", "");
 916                         sel_articles.push(c_id);
 917                 }
 918         }
 919
 920         return sel_articles;
 921 }
 922
 923
 924 // mode = all,none,unread
 925 function cdmSelectArticles(mode) {
 926         var container = document.getElementById("headlinesInnerContainer");
 927
 928         for (i = 0; i < container.childNodes.length; i++) {
 929                 var child = container.childNodes[i];
 930
 931                 if (child.id.match("RROW-")) {
 932                         var aid = child.id.replace("RROW-", "");
 933
 934                         var cb = document.getElementById("RCHK-" + aid);
 935
 936                         if (mode == "all") {
 937                                 if (!child.className.match("Selected")) {
 938                                         child.className = child.className + "Selected";
 939                                         cb.checked = true;
 940                                 }
 941                         } else if (mode == "unread") {
 942                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 943                                         child.className = child.className + "Selected";
 944                                         cb.checked = true;
 945                                 }
 946                         } else {
 947                                 child.className = child.className.replace("Selected", "");
 948                                 cb.checked = false;
 949                         }
 950                 }
 951         }
 952 }
 953
 954 function catchupPage() {
 955
 956         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 957
 958         var str = __("Mark all visible articles in %s as read?");
 959
 960         str = str.replace("%s", fn);
 961
 962         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 963                 return;
 964         }
 965
 966         if (document.getElementById("headlinesList")) {
 967                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 968                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 969                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 970         } else {
 971                 cdmSelectArticles('all');
 972                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 973                 cdmSelectArticles('none');
 974         }
 975 }
 976
 977 function catchupSelection() {
 978
 979         try {
 980
 981                 var rows;
 982
 983                 if (document.getElementById("headlinesList")) {
 984                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 985                 } else {
 986                         rows = cdmGetSelectedArticles();
 987                 }
 988
 989                 if (rows.length == 0) {
 990                         alert(__("No articles are selected."));
 991                         return;
 992                 }
 993
 994
 995                 var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 996
 997                 var str = __("Mark %d selected articles in %s as read?");
 998
 999                 str = str.replace("%d", rows.length);
1000                 str = str.replace("%s", fn);
1001
1002                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1003                         return;
1004                 }
1005
1006                 if (document.getElementById("headlinesList")) {
1007                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
1008         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
1009                 } else {
1010                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
1011         //              cdmSelectArticles('none');
1012                 }
1013
1014         } catch (e) {
1015                 exception_error("catchupSelection", e);
1016         }
1017 }
1018
1019
1020 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
1021
1022         if (!xmlhttp_ready(xmlhttp_rpc)) {
1023                 printLockingError();
1024         }
1025
1026         var title = prompt(__("Please enter label title:"), "");
1027
1028         if (title) {
1029
1030                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
1031                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
1032                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
1033                         "&title=" + param_escape(title);
1034
1035                 debug("LFS: " + query);
1036
1037                 new Ajax.Request(query, {
1038                         onComplete: function(transport) {
1039                                         dlg_frefresh_callback(transport);
1040                                 } });
1041         }
1042 }
1043
1044 function editArticleTags(id, feed_id, cdm_enabled) {
1045         _tag_active_post_id = id;
1046         _tag_active_feed_id = feed_id;
1047         _tag_active_cdm = cdm_enabled;
1048
1049         cache_invalidate(id);
1050
1051         try {
1052                 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
1053         } catch (e) { }
1054         displayDlg('editArticleTags', id);
1055 }
1056
1057
1058 function tag_saved_callback(transport) {
1059         try {
1060                 debug("in tag_saved_callback");
1061
1062                 closeInfoBox();
1063                 notify("");
1064
1065                 if (tagsAreDisplayed()) {
1066                         _reload_feedlist_after_view = true;
1067                 }
1068
1069                 if (!_tag_active_cdm) {
1070                         if (active_post_id == _tag_active_post_id) {
1071                                 debug("reloading current article");
1072                                 view(_tag_active_post_id, _tag_active_feed_id);
1073                         }
1074                 } else {
1075                         debug("reloading current feed");
1076                         viewCurrentFeed();
1077                 }
1078
1079         } catch (e) {
1080                 exception_error("catchup_callback", e);
1081         }
1082 }
1083
1084 function editTagsSave() {
1085
1086         notify_progress("Saving article tags...");
1087
1088         var form = document.forms["tag_edit_form"];
1089
1090         var query = Form.serialize("tag_edit_form");
1091
1092         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
1093
1094         debug(query);
1095
1096         new Ajax.Request(query, {
1097                 onComplete: function(transport) {
1098                                 tag_saved_callback(transport);
1099                         } });
1100
1101 }
1102
1103 function editTagsInsert() {
1104         try {
1105
1106                 var form = document.forms["tag_edit_form"];
1107
1108                 var found_tags = form.found_tags;
1109                 var tags_str = form.tags_str;
1110
1111                 var tag = found_tags[found_tags.selectedIndex].value;
1112
1113                 if (tags_str.value.length > 0 &&
1114                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1115
1116                         tags_str.value = tags_str.value + ", ";
1117                 }
1118
1119                 tags_str.value = tags_str.value + tag + ", ";
1120
1121                 found_tags.selectedIndex = 0;
1122
1123         } catch (e) {
1124                 exception_error(e, "editTagsInsert");
1125         }
1126 }
1127
1128 function cdmWatchdog() {
1129
1130         try {
1131
1132                 var ctr = document.getElementById("headlinesInnerContainer");
1133
1134                 if (!ctr) return;
1135
1136                 var ids = new Array();
1137
1138                 var e = ctr.firstChild;
1139
1140                 while (e) {
1141                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1142                                         e.id.match("RROW-")) {
1143
1144                                 // article fits in viewport OR article is longer than viewport and
1145                                 // its bottom is visible
1146
1147                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1148                                                 ctr.scrollTop + ctr.offsetHeight) {
1149
1150 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1151 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1152 //                                              (ctr.scrollTop + ctr.offsetHeight));
1153
1154                                         ids.push(e.id.replace("RROW-", ""));
1155
1156                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1157                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1158                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1159
1160                                         ids.push(e.id.replace("RROW-", ""));
1161
1162                                 }
1163
1164                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1165
1166 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1167                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1168
1169                                         ids.push(e.id.replace("RROW-", ""));
1170
1171                                 } */
1172
1173                         }
1174
1175                         e = e.nextSibling;
1176                 }
1177
1178                 debug("cdmWatchdog, ids= " + ids.toString());
1179
1180                 if (ids.length > 0) {
1181
1182                         for (var i = 0; i < ids.length; i++) {
1183                                 var e = document.getElementById("RROW-" + ids[i]);
1184                                 if (e) {
1185                                         e.className = e.className.replace("Unread", "");
1186                                 }
1187                         }
1188
1189                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1190                                 param_escape(ids.toString()) + "&cmode=0";
1191
1192                         new Ajax.Request(query, {
1193                                 onComplete: function(transport) {
1194                                         all_counters_callback2(transport);
1195                                 } });
1196
1197                 }
1198
1199                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1200
1201         } catch (e) {
1202                 exception_error(e, "cdmWatchdog");
1203         }
1204
1205 }
1206
1207
1208 function cache_inject(id, article, param) {
1209         if (!cache_check_param(id, param)) {
1210                 debug("cache_article: miss: " + id + " [p=" + param + "]");
1211
1212                 var cache_obj = new Array();
1213
1214                 cache_obj["id"] = id;
1215                 cache_obj["data"] = article;
1216                 cache_obj["param"] = param;
1217
1218                 article_cache.push(cache_obj);
1219
1220         } else {
1221                 debug("cache_article: hit: " + id + " [p=" + param + "]");
1222         }
1223 }
1224
1225 function cache_find(id) {
1226         for (var i = 0; i < article_cache.length; i++) {
1227                 if (article_cache[i]["id"] == id) {
1228                         return article_cache[i]["data"];
1229                 }
1230         }
1231         return false;
1232 }
1233
1234 function cache_find_param(id, param) {
1235         for (var i = 0; i < article_cache.length; i++) {
1236                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1237                         return article_cache[i]["data"];
1238                 }
1239         }
1240         return false;
1241 }
1242
1243 function cache_check(id) {
1244         for (var i = 0; i < article_cache.length; i++) {
1245                 if (article_cache[i]["id"] == id) {
1246                         return true;
1247                 }
1248         }
1249         return false;
1250 }
1251
1252 function cache_check_param(id, param) {
1253         for (var i = 0; i < article_cache.length; i++) {
1254
1255 //              debug("cache_check_param " + article_cache[i]["id"] + ":" +
1256 //                      article_cache[i]["param"] + " vs " + id + ":" + param);
1257
1258                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1259                         return true;
1260                 }
1261         }
1262         return false;
1263 }
1264
1265 function cache_expire() {
1266         while (article_cache.length > 20) {
1267                 article_cache.shift();
1268         }
1269 }
1270
1271 function cache_invalidate(id) {
1272         var i = 0
1273
1274         try {
1275
1276                 while (i < article_cache.length) {
1277                         if (article_cache[i]["id"] == id) {
1278                                 debug("cache_invalidate: removed id " + id);
1279                                 article_cache.splice(i, 1);
1280                                 return true;
1281                         }
1282                         i++;
1283                 }
1284                 debug("cache_invalidate: id not found: " + id);
1285                 return false;
1286         } catch (e) {
1287                 exception_error("cache_invalidate", e);
1288         }
1289 }
1290
1291 function getActiveArticleId() {
1292         return active_post_id;
1293 }
1294
1295 function cdmMouseIn(elem) {
1296         try {
1297                 if (elem.id && elem.id.match("RROW-")) {
1298                         var id = elem.id.replace("RROW-", "");
1299                         active_post_id = id;
1300                 }
1301         } catch (e) {
1302                 exception_error("cdmMouseIn", e);
1303         }
1304
1305 }
1306
1307 function cdmMouseOut(elem) {
1308         active_post_id = false;
1309 }
1310
1311 function headlines_scroll_handler() {
1312         try {
1313
1314                 var e = document.getElementById("headlinesInnerContainer");
1315
1316                 // don't do infinite scrolling when Limit == All
1317
1318                 var toolbar_form = document.forms["main_toolbar_form"];
1319
1320                 var limit = toolbar_form.limit[toolbar_form.limit.selectedIndex];
1321                 if (limit.value != 0) {
1322                         if (e.scrollTop + e.offsetHeight > e.scrollHeight - 50) {
1323                                 if (!_infscroll_disable) {
1324                                         debug("more cowbell!");
1325                                         viewNextFeedPage();
1326                                 }
1327                         }
1328                 }
1329
1330         } catch (e) {
1331                 exception_error("headlines_scroll_handler", e);
1332         }
1333 }
1334
1335 function catchupRelativeToArticle(below) {
1336
1337         try {
1338
1339                 if (!xmlhttp_ready(xmlhttp_rpc)) {
1340                         printLockingError();
1341                 }
1342
1343                 if (!getActiveArticleId()) {
1344                         alert(__("No article is selected."));
1345                         return;
1346                 }
1347
1348                 var visible_ids;
1349
1350                 if (document.getElementById("headlinesList")) {
1351                         visible_ids = getVisibleHeadlineIds();
1352                 } else {
1353                         visible_ids = cdmGetVisibleArticles();
1354                 }
1355
1356                 var ids_to_mark = new Array();
1357
1358                 if (!below) {
1359                         for (var i = 0; i < visible_ids.length; i++) {
1360                                 if (visible_ids[i] != getActiveArticleId()) {
1361                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1362
1363                                         if (e && e.className.match("Unread")) {
1364                                                 ids_to_mark.push(visible_ids[i]);
1365                                         }
1366                                 } else {
1367                                         break;
1368                                 }
1369                         }
1370                 } else {
1371                         for (var i = visible_ids.length-1; i >= 0; i--) {
1372                                 if (visible_ids[i] != getActiveArticleId()) {
1373                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1374
1375                                         if (e && e.className.match("Unread")) {
1376                                                 ids_to_mark.push(visible_ids[i]);
1377                                         }
1378                                 } else {
1379                                         break;
1380                                 }
1381                         }
1382                 }
1383
1384                 if (ids_to_mark.length == 0) {
1385                         alert(__("No articles found to mark"));
1386                 } else {
1387                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1388
1389                         if (confirm(msg)) {
1390
1391                                 for (var i = 0; i < ids_to_mark.length; i++) {
1392                                         var e = document.getElementById("RROW-" + ids_to_mark[i]);
1393                                         e.className = e.className.replace("Unread", "");
1394                                 }
1395
1396                                 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1397                                         param_escape(ids_to_mark.toString()) + "&cmode=0";
1398
1399                                 new Ajax.Request(query, {
1400                                         onComplete: function(transport) {
1401                                                 catchup_callback2(transport);
1402                                         } });
1403
1404                         }
1405                 }
1406
1407         } catch (e) {
1408                 exception_error("catchupRelativeToArticle", e);
1409         }
1410 }
1411
1412 function cdmExpandArticle(a_id) {
1413         try {
1414                 var id = 'CICD-' + a_id;
1415
1416                 Effect.Appear(id, {duration : 0.5,
1417                         beforeStart: function(effect) {
1418                                 var h_id = 'CICH-' + a_id;
1419                                 var h_elem = document.getElementById(h_id);
1420                                 if (h_elem) { h_elem.style.display = "none"; }
1421
1422                                 toggleUnread(a_id, 0);
1423                         }});
1424
1425
1426         } catch (e) {
1427                 exception_error("appearBlockElementF", e);
1428         }
1429
1430 }
1431
1432