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