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                         var disable_cache_obj = transport.responseXML.getElementsByTagName("disable-cache")[0];
  95
  96                         var headlines_count = headlines_count_obj.getAttribute("value");
  97                         var headlines_unread = headlines_unread_obj.getAttribute("value");
  98                         var disable_cache = disable_cache_obj.getAttribute("value") != "0";
  99
 100                         if (headlines_count == 0) _infscroll_disable = 1;
 101
 102                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 103                         var articles = transport.responseXML.getElementsByTagName("article");
 104                         var runtime_info = transport.responseXML.getElementsByTagName("runtime-info");
 105
 106                         if (feed_cur_page == 0) {
 107                                 if (headlines) {
 108                                         f.innerHTML = headlines.firstChild.nodeValue;
 109
 110                                         var cache_prefix = "";
 111
 112                                         if (is_cat) {
 113                                                 cache_prefix = "C:";
 114                                         } else {
 115                                                 cache_prefix = "F:";
 116                                         }
 117
 118                                         cache_invalidate(cache_prefix + active_feed_id);
 119
 120                                         if (!disable_cache) {
 121                                                 cache_inject(cache_prefix + active_feed_id,
 122                                                         headlines.firstChild.nodeValue, headlines_unread);
 123                                         }
 124
 125                                 } else {
 126                                         debug("headlines_callback: returned no data");
 127                                 f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
 128
 129                                 }
 130                         } else {
 131                                 if (headlines) {
 132                                         if (headlines_count > 0) {
 133                                                 debug("adding some more headlines...");
 134
 135                                                 var c = document.getElementById("headlinesList");
 136
 137                                                 if (!c) {
 138                                                         c = document.getElementById("headlinesInnerContainer");
 139                                                 }
 140
 141                                                 var ids = getSelectedArticleIds2();
 142
 143                                                 c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
 144
 145                                                 debug("restore selected ids: " + ids);
 146
 147                                                 for (var i = 0; i < ids.length; i++) {
 148                                                         markHeadline(ids[i]);
 149                                                 }
 150
 151                                         } else {
 152                                                 debug("no new headlines received");
 153                                         }
 154                                 } else {
 155                                         debug("headlines_callback: returned no data");
 156                                         notify_error("Error while trying to load more headlines");
 157                                 }
 158
 159                         }
 160
 161                         if (articles) {
 162                                 for (var i = 0; i < articles.length; i++) {
 163                                         var a_id = articles[i].getAttribute("id");
 164                                         debug("found id: " + a_id);
 165                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 166                                 }
 167                         } else {
 168                                 debug("no cached articles received");
 169                         }
 170
 171                         if (counters) {
 172                                 debug("parsing piggybacked counters: " + counters);
 173                                 parse_counters(counters, false);
 174                         } else {
 175                                 debug("counters container not found in reply");
 176                         }
 177
 178                         if (runtime_info) {
 179                                 debug("parsing runtime info: " + runtime_info[0]);
 180                                 parse_runtime_info(runtime_info[0]);
 181                         } else {
 182                                 debug("counters container not found in reply");
 183                         }
 184
 185                 } else {
 186                         debug("headlines_callback: returned no XML object");
 187                         f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML object)') + "</div>";
 188                 }
 189
 190                 if (typeof correctPNG != 'undefined') {
 191                         correctPNG();
 192                 }
 193
 194                 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
 195
 196                 if (!document.getElementById("headlinesList") &&
 197                                 getInitParam("cdm_auto_catchup") == 1) {
 198                         debug("starting CDM watchdog");
 199                         _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 200                         _cdm_wd_vishist = new Array();
 201                 } else {
 202                         debug("not in CDM mode or watchdog disabled");
 203                 }
 204
 205                 if (_tag_cdm_scroll) {
 206                         try {
 207                                 document.getElementById("headlinesInnerContainer").scrollTop = _tag_cdm_scroll;
 208                                 _tag_cdm_scroll = false;
 209                                 debug("resetting headlinesInner scrollTop");
 210
 211                         } catch (e) { }
 212                 }
 213
 214                 _feed_cur_page = feed_cur_page;
 215                 _infscroll_request_sent = 0;
 216
 217                 notify("");
 218         } catch (e) {
 219                 exception_error("headlines_callback2", e);
 220         }
 221 }
 222
 223 function render_article(article) {
 224         try {
 225                 var f = document.getElementById("content-frame");
 226                 try {
 227                         f.scrollTop = 0;
 228                 } catch (e) { };
 229
 230                 f.innerHTML = article;
 231
 232         } catch (e) {
 233                 exception_error("render_article", e);
 234         }
 235 }
 236
 237 function showArticleInHeadlines(id) {
 238
 239         try {
 240
 241                 cleanSelected("headlinesList");
 242
 243                 var crow = document.getElementById("RROW-" + id);
 244
 245                 if (!crow) return;
 246
 247                 var article_is_unread = crow.className.match("Unread");
 248
 249                 crow.className = crow.className.replace("Unread", "");
 250
 251                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 252
 253                 var upd_img_pic = document.getElementById("FUPDPIC-" + id);
 254
 255                 var cache_prefix = "";
 256
 257                 if (activeFeedIsCat()) {
 258                         cache_prefix = "C:";
 259                 } else {
 260                         cache_prefix = "F:";
 261                 }
 262
 263                 var view_mode = false;
 264
 265                 try {
 266                         view_mode = document.forms['main_toolbar_form'].view_mode;
 267                         view_mode = view_mode[view_mode.selectedIndex].value;
 268                 } catch (e) {
 269                         exception_error("showArticleInHeadlines/viewmode", e, true);
 270                 }
 271
 272                 if (upd_img_pic && upd_img_pic.src.match("updated.png")) {
 273                         upd_img_pic.src = "images/blank_icon.gif";
 274
 275                         cache_invalidate(cache_prefix + getActiveFeedId());
 276
 277                         cache_inject(cache_prefix + getActiveFeedId(),
 278                                 document.getElementById("headlines-frame").innerHTML,
 279                                 get_feed_unread(getActiveFeedId()));
 280
 281                 } else if (article_is_unread && view_mode == "all_articles") {
 282
 283                         cache_invalidate(cache_prefix + getActiveFeedId());
 284
 285                         cache_inject(cache_prefix + getActiveFeedId(),
 286                                 document.getElementById("headlines-frame").innerHTML,
 287                                 get_feed_unread(getActiveFeedId())-1);
 288
 289                 } else if (article_is_unread) {
 290                         cache_invalidate(cache_prefix + getActiveFeedId());
 291                 }
 292
 293                 markHeadline(id);
 294
 295         } catch (e) {
 296                 exception_error("showArticleInHeadlines", e);
 297         }
 298 }
 299
 300 function article_callback2(transport, id, feed_id) {
 301         try {
 302                 debug("article_callback2 " + id);
 303
 304                 if (transport.responseXML) {
 305
 306                         active_real_feed_id = feed_id;
 307                         active_post_id = id;
 308
 309                         showArticleInHeadlines(id);
 310
 311                         var reply = transport.responseXML.firstChild.firstChild;
 312
 313                         var articles = transport.responseXML.getElementsByTagName("article");
 314
 315                         for (var i = 0; i < articles.length; i++) {
 316                                 var a_id = articles[i].getAttribute("id");
 317
 318                                 debug("found id: " + a_id);
 319
 320                                 if (a_id == active_post_id) {
 321                                         debug("active article, rendering...");
 322                                         render_article(articles[i].firstChild.nodeValue);
 323                                 }
 324
 325                                 cache_inject(a_id, articles[i].firstChild.nodeValue);
 326                         }
 327
 328                 } else {
 329                         debug("article_callback: returned no XML object");
 330                         var f = document.getElementById("content-frame");
 331                         f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 332                 }
 333
 334                 var date = new Date();
 335                 last_article_view = date.getTime() / 1000;
 336
 337                 if (typeof correctPNG != 'undefined') {
 338                         correctPNG();
 339                 }
 340
 341                 if (_reload_feedlist_after_view) {
 342                         setTimeout('updateFeedList(false, false)', 50);
 343                         _reload_feedlist_after_view = false;
 344                 } else {
 345                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 346
 347                         if (counters) {
 348                                 debug("parsing piggybacked counters: " + counters);
 349                                 parse_counters(counters, false);
 350                         } else {
 351                                 debug("counters container not found in reply");
 352                         }
 353                 }
 354
 355                 notify("");
 356         } catch (e) {
 357                 exception_error("article_callback2", e);
 358         }
 359 }
 360
 361 function view(id, feed_id, skip_history) {
 362
 363         try {
 364                 debug("loading article: " + id + "/" + feed_id);
 365
 366                 var cached_article = cache_find(id);
 367
 368                 debug("cache check result: " + (cached_article != false));
 369
 370                 enableHotkeys();
 371
 372                 //setActiveFeedId(feed_id);
 373
 374                 var query = "backend.php?op=view&id=" + param_escape(id) +
 375                         "&feed=" + param_escape(feed_id);
 376
 377                 var date = new Date();
 378
 379                 var neighbor_ids = getRelativePostIds(active_post_id);
 380
 381                 /* only request uncached articles */
 382
 383                 var cids_to_request = Array();
 384
 385                 for (var i = 0; i < neighbor_ids.length; i++) {
 386                         if (!cache_check(neighbor_ids[i])) {
 387                                 cids_to_request.push(neighbor_ids[i]);
 388                         }
 389                 }
 390
 391                 debug("additional ids: " + cids_to_request.toString());
 392
 393                 /* additional info for piggyback counters */
 394
 395                 if (tagsAreDisplayed()) {
 396                         query = query + "&omode=lt";
 397                 } else {
 398                         query = query + "&omode=flc";
 399                 }
 400
 401                 var date = new Date();
 402                 var timestamp = Math.round(date.getTime() / 1000);
 403                 query = query + "&ts=" + timestamp;
 404
 405                 query = query + "&cids=" + cids_to_request.toString();
 406
 407                 var crow = document.getElementById("RROW-" + id);
 408                 var article_is_unread = crow.className.match("Unread");
 409
 410                 showArticleInHeadlines(id);
 411
 412                 if (!cached_article) {
 413
 414                         notify_progress("Loading, please wait...");
 415
 416                 } else if (cached_article && article_is_unread) {
 417
 418                         query = query + "&mode=prefetch";
 419
 420                         render_article(cached_article);
 421
 422                 } else if (cached_article) {
 423
 424                         query = query + "&mode=prefetch_old";
 425                         render_article(cached_article);
 426                 }
 427
 428                 cache_expire();
 429
 430                 new Ajax.Request(query, {
 431                         onComplete: function(transport) {
 432                                 article_callback2(transport, id, feed_id);
 433                         } });
 434
 435         } catch (e) {
 436                 exception_error("view", e);
 437         }
 438 }
 439
 440 function tMark(id) {
 441         return toggleMark(id);
 442 }
 443
 444 function tPub(id) {
 445         return togglePub(id);
 446 }
 447
 448 function tMark_afh_off(effect) {
 449         try {
 450                 var elem = effect.effects[0].element;
 451
 452                 debug("tMark_afh_off : " + elem.id);
 453
 454                 if (elem) {
 455                         elem.src = elem.src.replace("mark_set", "mark_unset");
 456                         elem.alt = __("Star article");
 457                         Element.show(elem);
 458                 }
 459
 460         } catch (e) {
 461                 exception_error("tMark_afh_off", e);
 462         }
 463 }
 464
 465 function tPub_afh_off(effect) {
 466         try {
 467                 var elem = effect.effects[0].element;
 468
 469                 debug("tPub_afh_off : " + elem.id);
 470
 471                 if (elem) {
 472                         elem.src = elem.src.replace("pub_set", "pub_unset");
 473                         elem.alt = __("Publish article");
 474                         Element.show(elem);
 475                 }
 476
 477         } catch (e) {
 478                 exception_error("tPub_afh_off", e);
 479         }
 480 }
 481
 482 function toggleMark(id, client_only, no_effects) {
 483
 484         try {
 485
 486                 var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 487
 488                 query = query + "&afid=" + getActiveFeedId();
 489
 490                 if (tagsAreDisplayed()) {
 491                         query = query + "&omode=tl";
 492                 } else {
 493                         query = query + "&omode=flc";
 494                 }
 495
 496                 var mark_img = document.getElementById("FMPIC-" + id);
 497                 var vfeedu = document.getElementById("FEEDU--1");
 498                 var crow = document.getElementById("RROW-" + id);
 499
 500                 if (mark_img.src.match("mark_unset")) {
 501                         mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
 502                         mark_img.alt = __("Unstar article");
 503                         query = query + "&mark=1";
 504
 505 /*                      if (vfeedu && crow.className.match("Unread")) {
 506                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 507                         } */
 508
 509                 } else {
 510                         //mark_img.src = "images/mark_unset.png";
 511                         mark_img.alt = __("Please wait...");
 512                         query = query + "&mark=0";
 513
 514 /*                      if (vfeedu && crow.className.match("Unread")) {
 515                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 516                         } */
 517
 518                         if (document.getElementById("headlinesList") && !no_effects) {
 519                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 520                         } else {
 521                                 mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
 522                                 mark_img.alt = __("Star article");
 523                         }
 524                 }
 525
 526 /*              var vfeedctr = document.getElementById("FEEDCTR--1");
 527                 var vfeedr = document.getElementById("FEEDR--1");
 528
 529                 if (vfeedu && vfeedctr) {
 530                         if ((+vfeedu.innerHTML) > 0) {
 531                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 532                                         vfeedr.className = vfeedr.className + "Unread";
 533                                         vfeedctr.className = "odd";
 534                                 }
 535                         } else {
 536                                 vfeedctr.className = "invisible";
 537                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 538                         }
 539                 }
 540
 541                 debug("toggle starred for aid " + id);
 542
 543                 //new Ajax.Request(query); */
 544
 545                 if (!client_only) {
 546                         debug(query);
 547
 548                         new Ajax.Request(query, {
 549                                 onComplete: function(transport) {
 550                                         all_counters_callback2(transport);
 551                                 } });
 552
 553                 }
 554
 555         } catch (e) {
 556                 exception_error("toggleMark", e);
 557         }
 558 }
 559
 560 function togglePub(id, client_only, no_effects) {
 561
 562         try {
 563
 564                 var query = "backend.php?op=rpc&id=" + id + "&subop=publ";
 565
 566                 query = query + "&afid=" + getActiveFeedId();
 567
 568                 if (tagsAreDisplayed()) {
 569                         query = query + "&omode=tl";
 570                 } else {
 571                         query = query + "&omode=flc";
 572                 }
 573
 574                 var mark_img = document.getElementById("FPPIC-" + id);
 575                 var vfeedu = document.getElementById("FEEDU--2");
 576                 var crow = document.getElementById("RROW-" + id);
 577
 578                 if (mark_img.src.match("pub_unset")) {
 579                         mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
 580                         mark_img.alt = __("Unpublish article");
 581                         query = query + "&pub=1";
 582
 583 /*                      if (vfeedu && crow.className.match("Unread")) {
 584                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 585                         } */
 586
 587                 } else {
 588                         //mark_img.src = "images/pub_unset.png";
 589                         mark_img.alt = __("Please wait...");
 590                         query = query + "&pub=0";
 591
 592 /*                      if (vfeedu && crow.className.match("Unread")) {
 593                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 594                         } */
 595
 596                         if (document.getElementById("headlinesList") && !no_effects) {
 597                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 598                         } else {
 599                                 mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
 600                                 mark_img.alt = __("Publish article");
 601                         }
 602                 }
 603
 604 /*              var vfeedctr = document.getElementById("FEEDCTR--2");
 605                 var vfeedr = document.getElementById("FEEDR--2");
 606
 607                 if (vfeedu && vfeedctr) {
 608                         if ((+vfeedu.innerHTML) > 0) {
 609                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 610                                         vfeedr.className = vfeedr.className + "Unread";
 611                                         vfeedctr.className = "odd";
 612                                 }
 613                         } else {
 614                                 vfeedctr.className = "invisible";
 615                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 616                         }
 617                 }
 618
 619                 debug("toggle published for aid " + id);
 620
 621                 new Ajax.Request(query); */
 622
 623                 if (!client_only) {
 624                         new Ajax.Request(query, {
 625                                 onComplete: function(transport) {
 626                                         all_counters_callback2(transport);
 627                                 } });
 628                 }
 629
 630         } catch (e) {
 631
 632                 exception_error("togglePub", e);
 633         }
 634 }
 635
 636 function correctHeadlinesOffset(id) {
 637
 638         try {
 639
 640                 var hlist = document.getElementById("headlinesList");
 641                 var container = document.getElementById("headlinesInnerContainer");
 642                 var row = document.getElementById("RROW-" + id);
 643
 644                 var viewport = container.offsetHeight;
 645
 646                 var rel_offset_top = row.offsetTop - container.scrollTop;
 647                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 648
 649                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 650                 debug("Vport: " + viewport);
 651
 652                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 653                         container.scrollTop = row.offsetTop;
 654                 } else if (rel_offset_bottom > viewport) {
 655
 656                         /* doesn't properly work with Opera in some cases because
 657                                 Opera fucks up element scrolling */
 658
 659                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 660                 }
 661
 662         } catch (e) {
 663                 exception_error("correctHeadlinesOffset", e);
 664         }
 665
 666 }
 667
 668 function moveToPost(mode) {
 669
 670         // check for combined mode
 671         if (!document.getElementById("headlinesList"))
 672                 return;
 673
 674         var rows = getVisibleHeadlineIds();
 675
 676         var prev_id = false;
 677         var next_id = false;
 678
 679         if (!document.getElementById('RROW-' + active_post_id)) {
 680                 active_post_id = false;
 681         }
 682
 683         if (active_post_id == false) {
 684                 next_id = getFirstVisibleHeadlineId();
 685                 prev_id = getLastVisibleHeadlineId();
 686         } else {
 687                 for (var i = 0; i < rows.length; i++) {
 688                         if (rows[i] == active_post_id) {
 689                                 prev_id = rows[i-1];
 690                                 next_id = rows[i+1];
 691                         }
 692                 }
 693         }
 694
 695         if (mode == "next") {
 696                 if (next_id) {
 697                         correctHeadlinesOffset(next_id);
 698                         view(next_id, getActiveFeedId());
 699                 }
 700         }
 701
 702         if (mode == "prev") {
 703                 if (prev_id) {
 704                         correctHeadlinesOffset(prev_id);
 705                         view(prev_id, getActiveFeedId());
 706                 }
 707         }
 708 }
 709
 710 function toggleUnread(id, cmode) {
 711         try {
 712
 713                 var row = document.getElementById("RROW-" + id);
 714                 if (row) {
 715                         var nc = row.className;
 716                         nc = nc.replace("Unread", "");
 717                         nc = nc.replace("Selected", "");
 718
 719                         if (cmode == undefined || cmode == 2) {
 720                                 if (row.className.match("Unread")) {
 721                                         row.className = nc;
 722                                 } else {
 723                                         row.className = nc + "Unread";
 724                                 }
 725                         } else if (cmode == 0) {
 726                                 row.className = nc;
 727                         } else if (cmode == 1) {
 728                                 row.className = nc + "Unread";
 729                         }
 730
 731                         if (cmode == undefined) cmode = 2;
 732
 733                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 734                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 735
 736 //                      notify_progress("Loading, please wait...");
 737
 738                         new Ajax.Request(query, {
 739                                 onComplete: function(transport) {
 740                                         all_counters_callback2(transport);
 741                                 } });
 742
 743                 }
 744
 745
 746         } catch (e) {
 747                 exception_error("toggleUnread", e);
 748         }
 749 }
 750
 751 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
 752         try {
 753                 var rows;
 754
 755                 if (cdm_mode) {
 756                         rows = cdmGetSelectedArticles();
 757                 } else {
 758                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 759                 }
 760
 761                 if (rows.length == 0 && !no_error) {
 762                         alert(__("No articles are selected."));
 763                         return;
 764                 }
 765
 766                 for (i = 0; i < rows.length; i++) {
 767                         var row = document.getElementById("RROW-" + rows[i]);
 768                         if (row) {
 769                                 var nc = row.className;
 770                                 nc = nc.replace("Unread", "");
 771                                 nc = nc.replace("Selected", "");
 772
 773                                 if (set_state == undefined) {
 774                                         if (row.className.match("Unread")) {
 775                                                 row.className = nc + "Selected";
 776                                         } else {
 777                                                 row.className = nc + "UnreadSelected";
 778                                         }
 779                                 }
 780
 781                                 if (set_state == false) {
 782                                         row.className = nc + "Selected";
 783                                 }
 784
 785                                 if (set_state == true) {
 786                                         row.className = nc + "UnreadSelected";
 787                                 }
 788                         }
 789                 }
 790
 791                 if (rows.length > 0) {
 792
 793                         var cmode = "";
 794
 795                         if (set_state == undefined) {
 796                                 cmode = "2";
 797                         } else if (set_state == true) {
 798                                 cmode = "1";
 799                         } else if (set_state == false) {
 800                                 cmode = "0";
 801                         }
 802
 803                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 804                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 805
 806                         notify_progress("Loading, please wait...");
 807
 808                         new Ajax.Request(query, {
 809                                 onComplete: function(transport) {
 810                                         catchup_callback2(transport, callback_func);
 811                                 } });
 812
 813                 }
 814
 815         } catch (e) {
 816                 exception_error("selectionToggleUnread", e);
 817         }
 818 }
 819
 820 function selectionToggleMarked(cdm_mode) {
 821         try {
 822
 823                 var rows;
 824
 825                 if (cdm_mode) {
 826                         rows = cdmGetSelectedArticles();
 827                 } else {
 828                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 829                 }
 830
 831                 if (rows.length == 0) {
 832                         alert(__("No articles are selected."));
 833                         return;
 834                 }
 835
 836                 for (i = 0; i < rows.length; i++) {
 837                         toggleMark(rows[i], true, true);
 838                 }
 839
 840                 if (rows.length > 0) {
 841
 842                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 843                                 param_escape(rows.toString()) + "&cmode=2";
 844
 845                         query = query + "&afid=" + getActiveFeedId();
 846
 847 /*                      if (tagsAreDisplayed()) {
 848                                 query = query + "&omode=tl";
 849                         } else {
 850                                 query = query + "&omode=flc";
 851                         } */
 852
 853                         query = query + "&omode=lc";
 854
 855                         new Ajax.Request(query, {
 856                                 onComplete: function(transport) {
 857                                         all_counters_callback2(transport);
 858                                 } });
 859
 860                 }
 861
 862         } catch (e) {
 863                 exception_error("selectionToggleMarked", e);
 864         }
 865 }
 866
 867 function selectionTogglePublished(cdm_mode) {
 868         try {
 869
 870                 var rows;
 871
 872                 if (cdm_mode) {
 873                         rows = cdmGetSelectedArticles();
 874                 } else {
 875                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 876                 }
 877
 878                 if (rows.length == 0) {
 879                         alert(__("No articles are selected."));
 880                         return;
 881                 }
 882
 883                 for (i = 0; i < rows.length; i++) {
 884                         togglePub(rows[i], true, true);
 885                 }
 886
 887                 if (rows.length > 0) {
 888
 889                         var query = "backend.php?op=rpc&subop=publishSelected&ids=" +
 890                                 param_escape(rows.toString()) + "&cmode=2";
 891
 892                         query = query + "&afid=" + getActiveFeedId();
 893
 894 /*                      if (tagsAreDisplayed()) {
 895                                 query = query + "&omode=tl";
 896                         } else {
 897                                 query = query + "&omode=flc";
 898                         } */
 899
 900                         query = query + "&omode=lc";
 901
 902                         new Ajax.Request(query, {
 903                                 onComplete: function(transport) {
 904                                         all_counters_callback2(transport);
 905                                 } });
 906
 907                 }
 908
 909         } catch (e) {
 910                 exception_error("selectionToggleMarked", e);
 911         }
 912 }
 913
 914 function cdmGetSelectedArticles() {
 915         var sel_articles = new Array();
 916         var container = document.getElementById("headlinesInnerContainer");
 917
 918         for (i = 0; i < container.childNodes.length; i++) {
 919                 var child = container.childNodes[i];
 920
 921                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 922                         var c_id = child.id.replace("RROW-", "");
 923                         sel_articles.push(c_id);
 924                 }
 925         }
 926
 927         return sel_articles;
 928 }
 929
 930 function cdmGetVisibleArticles() {
 931         var sel_articles = new Array();
 932         var container = document.getElementById("headlinesInnerContainer");
 933
 934         for (i = 0; i < container.childNodes.length; i++) {
 935                 var child = container.childNodes[i];
 936
 937                 if (child.id.match("RROW-")) {
 938                         var c_id = child.id.replace("RROW-", "");
 939                         sel_articles.push(c_id);
 940                 }
 941         }
 942
 943         return sel_articles;
 944 }
 945
 946 function cdmGetUnreadArticles() {
 947         var sel_articles = new Array();
 948         var container = document.getElementById("headlinesInnerContainer");
 949
 950         for (i = 0; i < container.childNodes.length; i++) {
 951                 var child = container.childNodes[i];
 952
 953                 if (child.id.match("RROW-") && child.className.match("Unread")) {
 954                         var c_id = child.id.replace("RROW-", "");
 955                         sel_articles.push(c_id);
 956                 }
 957         }
 958
 959         return sel_articles;
 960 }
 961
 962
 963 // mode = all,none,unread
 964 function cdmSelectArticles(mode) {
 965         var container = document.getElementById("headlinesInnerContainer");
 966
 967         for (i = 0; i < container.childNodes.length; i++) {
 968                 var child = container.childNodes[i];
 969
 970                 if (child.id.match("RROW-")) {
 971                         var aid = child.id.replace("RROW-", "");
 972
 973                         var cb = document.getElementById("RCHK-" + aid);
 974
 975                         if (mode == "all") {
 976                                 if (!child.className.match("Selected")) {
 977                                         child.className = child.className + "Selected";
 978                                         cb.checked = true;
 979                                 }
 980                         } else if (mode == "unread") {
 981                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 982                                         child.className = child.className + "Selected";
 983                                         cb.checked = true;
 984                                 }
 985                         } else {
 986                                 child.className = child.className.replace("Selected", "");
 987                                 cb.checked = false;
 988                         }
 989                 }
 990         }
 991 }
 992
 993 function catchupPage() {
 994
 995         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 996
 997         var str = __("Mark all visible articles in %s as read?");
 998
 999         str = str.replace("%s", fn);
1000
1001         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1002                 return;
1003         }
1004
1005         if (document.getElementById("headlinesList")) {
1006                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
1007                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
1008                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
1009         } else {
1010                 cdmSelectArticles('all');
1011                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
1012                 cdmSelectArticles('none');
1013         }
1014 }
1015
1016 function catchupSelection() {
1017
1018         try {
1019
1020                 var rows;
1021
1022                 if (document.getElementById("headlinesList")) {
1023                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
1024                 } else {
1025                         rows = cdmGetSelectedArticles();
1026                 }
1027
1028                 if (rows.length == 0) {
1029                         alert(__("No articles are selected."));
1030                         return;
1031                 }
1032
1033
1034                 var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
1035
1036                 var str = __("Mark %d selected articles in %s as read?");
1037
1038                 str = str.replace("%d", rows.length);
1039                 str = str.replace("%s", fn);
1040
1041                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1042                         return;
1043                 }
1044
1045                 if (document.getElementById("headlinesList")) {
1046                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
1047         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
1048                 } else {
1049                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
1050         //              cdmSelectArticles('none');
1051                 }
1052
1053         } catch (e) {
1054                 exception_error("catchupSelection", e);
1055         }
1056 }
1057
1058
1059 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
1060
1061         if (!xmlhttp_ready(xmlhttp_rpc)) {
1062                 printLockingError();
1063         }
1064
1065         var title = prompt(__("Please enter label title:"), "");
1066
1067         if (title) {
1068
1069                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
1070                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
1071                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
1072                         "&title=" + param_escape(title);
1073
1074                 debug("LFS: " + query);
1075
1076                 new Ajax.Request(query, {
1077                         onComplete: function(transport) {
1078                                         dlg_frefresh_callback(transport);
1079                                 } });
1080         }
1081 }
1082
1083 function editArticleTags(id, feed_id, cdm_enabled) {
1084         _tag_active_post_id = id;
1085         _tag_active_feed_id = feed_id;
1086         _tag_active_cdm = cdm_enabled;
1087
1088         cache_invalidate(id);
1089
1090         try {
1091                 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
1092         } catch (e) { }
1093         displayDlg('editArticleTags', id);
1094 }
1095
1096
1097 function tag_saved_callback(transport) {
1098         try {
1099                 debug("in tag_saved_callback");
1100
1101                 closeInfoBox();
1102                 notify("");
1103
1104                 if (tagsAreDisplayed()) {
1105                         _reload_feedlist_after_view = true;
1106                 }
1107
1108                 if (!_tag_active_cdm) {
1109                         if (active_post_id == _tag_active_post_id) {
1110                                 debug("reloading current article");
1111                                 view(_tag_active_post_id, _tag_active_feed_id);
1112                         }
1113                 } else {
1114                         debug("reloading current feed");
1115                         viewCurrentFeed();
1116                 }
1117
1118         } catch (e) {
1119                 exception_error("catchup_callback", e);
1120         }
1121 }
1122
1123 function editTagsSave() {
1124
1125         notify_progress("Saving article tags...");
1126
1127         var form = document.forms["tag_edit_form"];
1128
1129         var query = Form.serialize("tag_edit_form");
1130
1131         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
1132
1133         debug(query);
1134
1135         new Ajax.Request(query, {
1136                 onComplete: function(transport) {
1137                                 tag_saved_callback(transport);
1138                         } });
1139
1140 }
1141
1142 function editTagsInsert() {
1143         try {
1144
1145                 var form = document.forms["tag_edit_form"];
1146
1147                 var found_tags = form.found_tags;
1148                 var tags_str = form.tags_str;
1149
1150                 var tag = found_tags[found_tags.selectedIndex].value;
1151
1152                 if (tags_str.value.length > 0 &&
1153                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1154
1155                         tags_str.value = tags_str.value + ", ";
1156                 }
1157
1158                 tags_str.value = tags_str.value + tag + ", ";
1159
1160                 found_tags.selectedIndex = 0;
1161
1162         } catch (e) {
1163                 exception_error(e, "editTagsInsert");
1164         }
1165 }
1166
1167 function cdmWatchdog() {
1168
1169         try {
1170
1171                 var ctr = document.getElementById("headlinesInnerContainer");
1172
1173                 if (!ctr) return;
1174
1175                 var ids = new Array();
1176
1177                 var e = ctr.firstChild;
1178
1179                 while (e) {
1180                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1181                                         e.id.match("RROW-")) {
1182
1183                                 // article fits in viewport OR article is longer than viewport and
1184                                 // its bottom is visible
1185
1186                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1187                                                 ctr.scrollTop + ctr.offsetHeight) {
1188
1189 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1190 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1191 //                                              (ctr.scrollTop + ctr.offsetHeight));
1192
1193                                         ids.push(e.id.replace("RROW-", ""));
1194
1195                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1196                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1197                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1198
1199                                         ids.push(e.id.replace("RROW-", ""));
1200
1201                                 }
1202
1203                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1204
1205 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1206                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1207
1208                                         ids.push(e.id.replace("RROW-", ""));
1209
1210                                 } */
1211
1212                         }
1213
1214                         e = e.nextSibling;
1215                 }
1216
1217                 debug("cdmWatchdog, ids= " + ids.toString());
1218
1219                 if (ids.length > 0) {
1220
1221                         for (var i = 0; i < ids.length; i++) {
1222                                 var e = document.getElementById("RROW-" + ids[i]);
1223                                 if (e) {
1224                                         e.className = e.className.replace("Unread", "");
1225                                 }
1226                         }
1227
1228                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1229                                 param_escape(ids.toString()) + "&cmode=0";
1230
1231                         new Ajax.Request(query, {
1232                                 onComplete: function(transport) {
1233                                         all_counters_callback2(transport);
1234                                 } });
1235
1236                 }
1237
1238                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1239
1240         } catch (e) {
1241                 exception_error(e, "cdmWatchdog");
1242         }
1243
1244 }
1245
1246
1247 function cache_inject(id, article, param) {
1248         if (!cache_check_param(id, param)) {
1249                 debug("cache_article: miss: " + id + " [p=" + param + "]");
1250
1251                 var cache_obj = new Array();
1252
1253                 cache_obj["id"] = id;
1254                 cache_obj["data"] = article;
1255                 cache_obj["param"] = param;
1256
1257                 article_cache.push(cache_obj);
1258
1259         } else {
1260                 debug("cache_article: hit: " + id + " [p=" + param + "]");
1261         }
1262 }
1263
1264 function cache_find(id) {
1265         for (var i = 0; i < article_cache.length; i++) {
1266                 if (article_cache[i]["id"] == id) {
1267                         return article_cache[i]["data"];
1268                 }
1269         }
1270         return false;
1271 }
1272
1273 function cache_find_param(id, param) {
1274         for (var i = 0; i < article_cache.length; i++) {
1275                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1276                         return article_cache[i]["data"];
1277                 }
1278         }
1279         return false;
1280 }
1281
1282 function cache_check(id) {
1283         for (var i = 0; i < article_cache.length; i++) {
1284                 if (article_cache[i]["id"] == id) {
1285                         return true;
1286                 }
1287         }
1288         return false;
1289 }
1290
1291 function cache_check_param(id, param) {
1292         for (var i = 0; i < article_cache.length; i++) {
1293
1294 //              debug("cache_check_param " + article_cache[i]["id"] + ":" +
1295 //                      article_cache[i]["param"] + " vs " + id + ":" + param);
1296
1297                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1298                         return true;
1299                 }
1300         }
1301         return false;
1302 }
1303
1304 function cache_expire() {
1305         while (article_cache.length > 20) {
1306                 article_cache.shift();
1307         }
1308 }
1309
1310 function cache_invalidate(id) {
1311         var i = 0
1312
1313         try {
1314
1315                 while (i < article_cache.length) {
1316                         if (article_cache[i]["id"] == id) {
1317                                 debug("cache_invalidate: removed id " + id);
1318                                 article_cache.splice(i, 1);
1319                                 return true;
1320                         }
1321                         i++;
1322                 }
1323                 debug("cache_invalidate: id not found: " + id);
1324                 return false;
1325         } catch (e) {
1326                 exception_error("cache_invalidate", e);
1327         }
1328 }
1329
1330 function getActiveArticleId() {
1331         return active_post_id;
1332 }
1333
1334 function cdmMouseIn(elem) {
1335         try {
1336                 if (elem.id && elem.id.match("RROW-")) {
1337                         var id = elem.id.replace("RROW-", "");
1338                         active_post_id = id;
1339                 }
1340         } catch (e) {
1341                 exception_error("cdmMouseIn", e);
1342         }
1343
1344 }
1345
1346 function cdmMouseOut(elem) {
1347         active_post_id = false;
1348 }
1349
1350 function headlines_scroll_handler() {
1351         try {
1352
1353                 var e = document.getElementById("headlinesInnerContainer");
1354
1355                 // don't do infinite scrolling when Limit == All
1356
1357                 var toolbar_form = document.forms["main_toolbar_form"];
1358
1359                 var limit = toolbar_form.limit[toolbar_form.limit.selectedIndex];
1360                 if (limit.value != 0) {
1361                         if (e.scrollTop + e.offsetHeight > e.scrollHeight - 50) {
1362                                 if (!_infscroll_disable) {
1363                                         debug("more cowbell!");
1364                                         viewNextFeedPage();
1365                                 }
1366                         }
1367                 }
1368
1369         } catch (e) {
1370                 exception_error("headlines_scroll_handler", e);
1371         }
1372 }
1373
1374 function catchupRelativeToArticle(below) {
1375
1376         try {
1377
1378                 if (!xmlhttp_ready(xmlhttp_rpc)) {
1379                         printLockingError();
1380                 }
1381
1382                 if (!getActiveArticleId()) {
1383                         alert(__("No article is selected."));
1384                         return;
1385                 }
1386
1387                 var visible_ids;
1388
1389                 if (document.getElementById("headlinesList")) {
1390                         visible_ids = getVisibleHeadlineIds();
1391                 } else {
1392                         visible_ids = cdmGetVisibleArticles();
1393                 }
1394
1395                 var ids_to_mark = new Array();
1396
1397                 if (!below) {
1398                         for (var i = 0; i < visible_ids.length; i++) {
1399                                 if (visible_ids[i] != getActiveArticleId()) {
1400                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1401
1402                                         if (e && e.className.match("Unread")) {
1403                                                 ids_to_mark.push(visible_ids[i]);
1404                                         }
1405                                 } else {
1406                                         break;
1407                                 }
1408                         }
1409                 } else {
1410                         for (var i = visible_ids.length-1; i >= 0; i--) {
1411                                 if (visible_ids[i] != getActiveArticleId()) {
1412                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1413
1414                                         if (e && e.className.match("Unread")) {
1415                                                 ids_to_mark.push(visible_ids[i]);
1416                                         }
1417                                 } else {
1418                                         break;
1419                                 }
1420                         }
1421                 }
1422
1423                 if (ids_to_mark.length == 0) {
1424                         alert(__("No articles found to mark"));
1425                 } else {
1426                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1427
1428                         if (confirm(msg)) {
1429
1430                                 for (var i = 0; i < ids_to_mark.length; i++) {
1431                                         var e = document.getElementById("RROW-" + ids_to_mark[i]);
1432                                         e.className = e.className.replace("Unread", "");
1433                                 }
1434
1435                                 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1436                                         param_escape(ids_to_mark.toString()) + "&cmode=0";
1437
1438                                 new Ajax.Request(query, {
1439                                         onComplete: function(transport) {
1440                                                 catchup_callback2(transport);
1441                                         } });
1442
1443                         }
1444                 }
1445
1446         } catch (e) {
1447                 exception_error("catchupRelativeToArticle", e);
1448         }
1449 }
1450
1451 function cdmExpandArticle(a_id) {
1452         try {
1453                 var id = 'CICD-' + a_id;
1454
1455                 Effect.Appear(id, {duration : 0.5,
1456                         beforeStart: function(effect) {
1457                                 var h_id = 'CICH-' + a_id;
1458                                 var h_elem = document.getElementById(h_id);
1459                                 if (h_elem) { h_elem.style.display = "none"; }
1460
1461                                 toggleUnread(a_id, 0);
1462                         }});
1463
1464
1465         } catch (e) {
1466                 exception_error("appearBlockElementF", e);
1467         }
1468
1469 }
1470
1471