viewfeed.js

   1 var active_post_id = false;
   2 var last_article_view = false;
   3 var active_real_feed_id = false;
   4
   5 // FIXME: kludges, needs proper implementation
   6 var _reload_feedlist_after_view = false;
   7
   8 var _cdm_wd_timeout = false;
   9 var _cdm_wd_vishist = new Array();
  10
  11 var article_cache = new Array();
  12
  13 var vgroup_last_feed = false;
  14 var post_under_pointer = false;
  15
  16 var last_requested_article = false;
  17
  18 function catchup_callback() {
  19         if (xmlhttp_rpc.readyState == 4) {
  20                 try {
  21                         debug("catchup_callback");
  22                         notify("");
  23                         all_counters_callback2(xmlhttp_rpc);
  24                         if (_catchup_callback_func) {
  25                                 setTimeout(_catchup_callback_func, 10);
  26                         }
  27                 } catch (e) {
  28                         exception_error("catchup_callback", e);
  29                 }
  30         }
  31 }
  32
  33 function catchup_callback2(transport, callback) {
  34         try {
  35                 debug("catchup_callback2 " + transport + ", " + callback);
  36                 notify("");
  37                 all_counters_callback2(transport);
  38                 if (callback) {
  39                         setTimeout(callback, 10);
  40                 }
  41         } catch (e) {
  42                 exception_error("catchup_callback2", e, transport);
  43         }
  44 }
  45
  46 function clean_feed_selections() {
  47         try {
  48                 var feeds = document.getElementById("feedList").getElementsByTagName("LI");
  49
  50                 for (var i = 0; i < feeds.length; i++) {
  51                         if (feeds[i].id && feeds[i].id.match("FEEDR-")) {
  52                                 feeds[i].className = feeds[i].className.replace("Selected", "");
  53                         }
  54                         if (feeds[i].id && feeds[i].id.match("FCAT-")) {
  55                                 feeds[i].className = feeds[i].className.replace("Selected", "");
  56                         }
  57                 }
  58         } catch (e) {
  59                 exception_error("clean_feed_selections", e);
  60         }
  61 }
  62
  63 function headlines_callback2(transport, feed_cur_page) {
  64         try {
  65
  66                 loading_set_progress(100);
  67
  68                 debug("headlines_callback2 [page=" + feed_cur_page + "]");
  69
  70                 clean_feed_selections();
  71
  72                 var is_cat = false;
  73                 var feed_id = false;
  74
  75                 if (transport.responseXML) {
  76                         var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
  77                         if (headlines) {
  78                                 is_cat = headlines.getAttribute("is_cat");
  79                                 feed_id = headlines.getAttribute("id");
  80                                 setActiveFeedId(feed_id, is_cat);
  81                         }
  82                 }
  83
  84                 if (!is_cat) {
  85                         var feedr = document.getElementById("FEEDR-" + feed_id);
  86                         if (feedr && !feedr.className.match("Selected")) {
  87                                 feedr.className = feedr.className + "Selected";
  88                         }
  89                 } else {
  90                         var feedr = document.getElementById("FCAT-" + feed_id);
  91                         if (feedr && !feedr.className.match("Selected")) {
  92                                 feedr.className = feedr.className + "Selected";
  93                         }
  94                 }
  95
  96                 var f = document.getElementById("headlines-frame");
  97                 try {
  98                         if (feed_cur_page == 0) {
  99                                 debug("resetting headlines scrollTop");
 100                                 f.scrollTop = 0;
 101                         }
 102                 } catch (e) { };
 103
 104                 if (transport.responseXML) {
 105                         var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
 106                         var headlines_count_obj = transport.responseXML.getElementsByTagName("headlines-count")[0];
 107                         var headlines_unread_obj = transport.responseXML.getElementsByTagName("headlines-unread")[0];
 108                         var disable_cache_obj = transport.responseXML.getElementsByTagName("disable-cache")[0];
 109
 110                         var vgroup_last_feed_obj =  transport.responseXML.getElementsByTagName("vgroup-last-feed")[0];
 111
 112                         var headlines_count = headlines_count_obj.getAttribute("value");
 113                         var headlines_unread = headlines_unread_obj.getAttribute("value");
 114                         var disable_cache = disable_cache_obj.getAttribute("value") != "0";
 115
 116                         vgroup_last_feed = vgroup_last_feed_obj.getAttribute("value");
 117
 118                         if (headlines_count == 0) {
 119                                 _infscroll_disable = 1;
 120                         } else {
 121                                 _infscroll_disable = 0;
 122                         }
 123
 124                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 125                         var articles = transport.responseXML.getElementsByTagName("article");
 126                         var runtime_info = transport.responseXML.getElementsByTagName("runtime-info");
 127
 128                         if (feed_cur_page == 0) {
 129                                 if (headlines) {
 130                                         f.innerHTML = headlines.firstChild.nodeValue;
 131
 132                                         var cache_prefix = "";
 133
 134                                         if (is_cat) {
 135                                                 cache_prefix = "C:";
 136                                         } else {
 137                                                 cache_prefix = "F:";
 138                                         }
 139
 140                                         cache_invalidate(cache_prefix + feed_id);
 141
 142                                         if (!disable_cache) {
 143                                                 cache_inject(cache_prefix + feed_id,
 144                                                         headlines.firstChild.nodeValue, headlines_unread);
 145                                         }
 146
 147                                 } else {
 148                                         debug("headlines_callback: returned no data");
 149                                 f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
 150
 151                                 }
 152                         } else {
 153                                 if (headlines) {
 154                                         if (headlines_count > 0) {
 155                                                 debug("adding some more headlines...");
 156
 157                                                 var c = document.getElementById("headlinesList");
 158
 159                                                 if (!c) {
 160                                                         c = document.getElementById("headlinesInnerContainer");
 161                                                 }
 162
 163                                                 var ids = getSelectedArticleIds2();
 164
 165                                                 c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
 166
 167                                                 debug("restore selected ids: " + ids);
 168
 169                                                 for (var i = 0; i < ids.length; i++) {
 170                                                         markHeadline(ids[i]);
 171                                                 }
 172
 173                                         } else {
 174                                                 debug("no new headlines received");
 175                                         }
 176                                 } else {
 177                                         debug("headlines_callback: returned no data");
 178                                         notify_error("Error while trying to load more headlines");
 179                                 }
 180
 181                         }
 182
 183                         if (articles) {
 184                                 for (var i = 0; i < articles.length; i++) {
 185                                         var a_id = articles[i].getAttribute("id");
 186                                         debug("found id: " + a_id);
 187                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 188                                 }
 189                         } else {
 190                                 debug("no cached articles received");
 191                         }
 192
 193                         if (counters) {
 194                                 debug("parsing piggybacked counters: " + counters);
 195                                 parse_counters(counters, false);
 196                         } else {
 197                                 debug("counters container not found in reply, requesting...");
 198                                 request_counters();
 199                         }
 200
 201                         if (runtime_info) {
 202                                 debug("parsing runtime info: " + runtime_info[0]);
 203                                 parse_runtime_info(runtime_info[0]);
 204                         } else {
 205                                 debug("counters container not found in reply");
 206                         }
 207
 208                 } else {
 209                         debug("headlines_callback: returned no XML object");
 210                         f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML object)') + "</div>";
 211                 }
 212
 213                 if (typeof correctPNG != 'undefined') {
 214                         correctPNG();
 215                 }
 216
 217                 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
 218
 219                 if (!document.getElementById("headlinesList") &&
 220                                 getActiveFeedId() != -3 &&
 221                                 getInitParam("cdm_auto_catchup") == 1) {
 222                         debug("starting CDM watchdog");
 223                         _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 224                         _cdm_wd_vishist = new Array();
 225                 } else {
 226                         debug("not in CDM mode or watchdog disabled");
 227                 }
 228
 229                 _feed_cur_page = feed_cur_page;
 230                 _infscroll_request_sent = 0;
 231
 232                 notify("");
 233
 234                 remove_splash();
 235
 236         } catch (e) {
 237                 exception_error("headlines_callback2", e, transport);
 238         }
 239 }
 240
 241 function render_article(article) {
 242         try {
 243                 var f = document.getElementById("content-frame");
 244                 try {
 245                         f.scrollTop = 0;
 246                 } catch (e) { };
 247
 248                 var fi = document.getElementById("content-insert");
 249
 250                 try {
 251                         fi.scrollTop = 0;
 252                 } catch (e) { };
 253
 254                 fi.innerHTML = article;
 255
 256         } catch (e) {
 257                 exception_error("render_article", e);
 258         }
 259 }
 260
 261 function showArticleInHeadlines(id) {
 262
 263         try {
 264
 265                 cleanSelected("headlinesList");
 266
 267                 var crow = document.getElementById("RROW-" + id);
 268
 269                 if (!crow) return;
 270
 271                 var article_is_unread = crow.className.match("Unread");
 272
 273                 crow.className = crow.className.replace("Unread", "");
 274
 275                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 276
 277                 var upd_img_pic = document.getElementById("FUPDPIC-" + id);
 278
 279                 var cache_prefix = "";
 280
 281                 if (activeFeedIsCat()) {
 282                         cache_prefix = "C:";
 283                 } else {
 284                         cache_prefix = "F:";
 285                 }
 286
 287                 var view_mode = false;
 288
 289                 try {
 290                         view_mode = document.forms['main_toolbar_form'].view_mode;
 291                         view_mode = view_mode[view_mode.selectedIndex].value;
 292                 } catch (e) {
 293                         //
 294                 }
 295
 296                 if (upd_img_pic && upd_img_pic.src.match("updated.png")) {
 297                         upd_img_pic.src = "images/blank_icon.gif";
 298
 299                         cache_invalidate(cache_prefix + getActiveFeedId());
 300
 301                         cache_inject(cache_prefix + getActiveFeedId(),
 302                                 document.getElementById("headlines-frame").innerHTML,
 303                                 get_feed_unread(getActiveFeedId()));
 304
 305                 } else if (article_is_unread && view_mode == "all_articles") {
 306
 307                         cache_invalidate(cache_prefix + getActiveFeedId());
 308
 309                         cache_inject(cache_prefix + getActiveFeedId(),
 310                                 document.getElementById("headlines-frame").innerHTML,
 311                                 get_feed_unread(getActiveFeedId())-1);
 312
 313                 } else if (article_is_unread) {
 314                         cache_invalidate(cache_prefix + getActiveFeedId());
 315                 }
 316
 317                 markHeadline(id);
 318
 319         } catch (e) {
 320                 exception_error("showArticleInHeadlines", e);
 321         }
 322 }
 323
 324 function article_callback2(transport, id, feed_id) {
 325         try {
 326                 debug("article_callback2 " + id);
 327
 328                 if (transport.responseXML) {
 329
 330                         debug("looking for articles to cache...");
 331
 332                         var articles = transport.responseXML.getElementsByTagName("article");
 333
 334                         for (var i = 0; i < articles.length; i++) {
 335                                 var a_id = articles[i].getAttribute("id");
 336
 337                                 debug("found id: " + a_id);
 338
 339                                 if (a_id == active_post_id) {
 340                                         debug("active article, rendering...");
 341                                         render_article(articles[i].firstChild.nodeValue);
 342                                 }
 343
 344                                 cache_inject(a_id, articles[i].firstChild.nodeValue);
 345                         }
 346
 347                         if (id != last_requested_article) {
 348                                 debug("requested article id is out of sequence, aborting");
 349                                 return;
 350                         }
 351
 352                         active_real_feed_id = feed_id;
 353                         active_post_id = id;
 354
 355                         showArticleInHeadlines(id);
 356
 357                         var reply = transport.responseXML.firstChild.firstChild;
 358
 359                 } else {
 360                         debug("article_callback: returned no XML object");
 361                         //var f = document.getElementById("content-frame");
 362                         //f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 363                 }
 364
 365                 var date = new Date();
 366                 last_article_view = date.getTime() / 1000;
 367
 368                 if (typeof correctPNG != 'undefined') {
 369                         correctPNG();
 370                 }
 371
 372                 if (_reload_feedlist_after_view) {
 373                         setTimeout('updateFeedList(false, false)', 50);
 374                         _reload_feedlist_after_view = false;
 375                 } else {
 376                         var counters = transport.responseXML.getElementsByTagName("counters")[0];
 377
 378                         if (counters) {
 379                                 debug("parsing piggybacked counters: " + counters);
 380                                 parse_counters(counters, false);
 381                         } else {
 382                                 debug("counters container not found in reply, requesting...");
 383                                 request_counters();
 384                         }
 385                 }
 386
 387                 notify("");
 388         } catch (e) {
 389                 exception_error("article_callback2", e, transport);
 390         }
 391 }
 392
 393 function view(id, feed_id, skip_history) {
 394
 395         try {
 396                 debug("loading article: " + id + "/" + feed_id);
 397
 398                 var cached_article = cache_find(id);
 399
 400                 debug("cache check result: " + (cached_article != false));
 401
 402                 enableHotkeys();
 403
 404                 //setActiveFeedId(feed_id);
 405
 406                 var query = "backend.php?op=view&id=" + param_escape(id) +
 407                         "&feed=" + param_escape(feed_id);
 408
 409                 var date = new Date();
 410
 411                 var neighbor_ids = getRelativePostIds(active_post_id);
 412
 413                 /* only request uncached articles */
 414
 415                 var cids_to_request = Array();
 416
 417                 for (var i = 0; i < neighbor_ids.length; i++) {
 418                         if (!cache_check(neighbor_ids[i])) {
 419                                 cids_to_request.push(neighbor_ids[i]);
 420                         }
 421                 }
 422
 423                 debug("additional ids: " + cids_to_request.toString());
 424
 425                 /* additional info for piggyback counters */
 426
 427                 if (tagsAreDisplayed()) {
 428                         query = query + "&omode=lt";
 429                 } else {
 430                         query = query + "&omode=flc";
 431                 }
 432
 433                 var date = new Date();
 434                 var timestamp = Math.round(date.getTime() / 1000);
 435                 query = query + "&ts=" + timestamp;
 436
 437                 query = query + "&cids=" + cids_to_request.toString();
 438
 439                 var crow = document.getElementById("RROW-" + id);
 440                 var article_is_unread = crow.className.match("Unread");
 441
 442                 if (!async_counters_work) {
 443                         query = query + "&csync=true";
 444                 }
 445
 446                 showArticleInHeadlines(id);
 447
 448                 if (!cached_article) {
 449
 450                         notify_progress("Loading, please wait...", true);
 451
 452                 } else if (cached_article && article_is_unread) {
 453
 454                         query = query + "&mode=prefetch";
 455
 456                         render_article(cached_article);
 457
 458                 } else if (cached_article) {
 459
 460                         query = query + "&mode=prefetch_old";
 461                         render_article(cached_article);
 462
 463                 }
 464
 465                 cache_expire();
 466
 467                 last_requested_article = id;
 468
 469                 new Ajax.Request(query, {
 470                         onComplete: function(transport) {
 471                                 article_callback2(transport, id, feed_id);
 472                         } });
 473
 474                 return false;
 475
 476         } catch (e) {
 477                 exception_error("view", e);
 478         }
 479 }
 480
 481 function tMark(id) {
 482         return toggleMark(id);
 483 }
 484
 485 function tPub(id) {
 486         return togglePub(id);
 487 }
 488
 489 function tMark_afh_off(effect) {
 490         try {
 491                 var elem = effect.effects[0].element;
 492
 493                 debug("tMark_afh_off : " + elem.id);
 494
 495                 if (elem) {
 496                         elem.src = elem.src.replace("mark_set", "mark_unset");
 497                         elem.alt = __("Star article");
 498                         Element.show(elem);
 499                 }
 500
 501         } catch (e) {
 502                 exception_error("tMark_afh_off", e);
 503         }
 504 }
 505
 506 function tPub_afh_off(effect) {
 507         try {
 508                 var elem = effect.effects[0].element;
 509
 510                 debug("tPub_afh_off : " + elem.id);
 511
 512                 if (elem) {
 513                         elem.src = elem.src.replace("pub_set", "pub_unset");
 514                         elem.alt = __("Publish article");
 515                         Element.show(elem);
 516                 }
 517
 518         } catch (e) {
 519                 exception_error("tPub_afh_off", e);
 520         }
 521 }
 522
 523 function toggleMark(id, client_only, no_effects) {
 524
 525         try {
 526
 527                 var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 528
 529                 query = query + "&afid=" + getActiveFeedId();
 530
 531                 if (tagsAreDisplayed()) {
 532                         query = query + "&omode=tl";
 533                 } else {
 534                         query = query + "&omode=flc";
 535                 }
 536
 537                 var mark_img = document.getElementById("FMPIC-" + id);
 538
 539                 if (!mark_img) return;
 540
 541                 var vfeedu = document.getElementById("FEEDU--1");
 542                 var crow = document.getElementById("RROW-" + id);
 543
 544                 if (mark_img.src.match("mark_unset")) {
 545                         mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
 546                         mark_img.alt = __("Unstar article");
 547                         query = query + "&mark=1";
 548
 549                 } else {
 550                         //mark_img.src = "images/mark_unset.png";
 551                         mark_img.alt = __("Please wait...");
 552                         query = query + "&mark=0";
 553
 554                         if (document.getElementById("headlinesList") && !no_effects) {
 555                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 556                         } else {
 557                                 mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
 558                                 mark_img.alt = __("Star article");
 559                         }
 560                 }
 561
 562                 if (!client_only) {
 563                         debug(query);
 564
 565                         new Ajax.Request(query, {
 566                                 onComplete: function(transport) {
 567                                         all_counters_callback2(transport);
 568                                 } });
 569
 570                 }
 571
 572         } catch (e) {
 573                 exception_error("toggleMark", e);
 574         }
 575 }
 576
 577 function togglePub(id, client_only, no_effects) {
 578
 579         try {
 580
 581                 var query = "backend.php?op=rpc&id=" + id + "&subop=publ";
 582
 583                 query = query + "&afid=" + getActiveFeedId();
 584
 585                 if (tagsAreDisplayed()) {
 586                         query = query + "&omode=tl";
 587                 } else {
 588                         query = query + "&omode=flc";
 589                 }
 590
 591                 var mark_img = document.getElementById("FPPIC-" + id);
 592
 593                 if (!mark_img) return;
 594
 595                 var vfeedu = document.getElementById("FEEDU--2");
 596                 var crow = document.getElementById("RROW-" + id);
 597
 598                 if (mark_img.src.match("pub_unset")) {
 599                         mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
 600                         mark_img.alt = __("Unpublish article");
 601                         query = query + "&pub=1";
 602
 603
 604                 } else {
 605                         //mark_img.src = "images/pub_unset.png";
 606                         mark_img.alt = __("Please wait...");
 607                         query = query + "&pub=0";
 608
 609                         if (document.getElementById("headlinesList") && !no_effects) {
 610                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 611                         } else {
 612                                 mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
 613                                 mark_img.alt = __("Publish article");
 614                         }
 615                 }
 616
 617                 if (!client_only) {
 618                         new Ajax.Request(query, {
 619                                 onComplete: function(transport) {
 620                                         all_counters_callback2(transport);
 621                                 } });
 622                 }
 623
 624         } catch (e) {
 625
 626                 exception_error("togglePub", e);
 627         }
 628 }
 629
 630 function correctHeadlinesOffset(id) {
 631
 632         try {
 633
 634                 var hlist = document.getElementById("headlinesList");
 635                 var container = document.getElementById("headlinesInnerContainer");
 636                 var row = document.getElementById("RROW-" + id);
 637
 638                 var viewport = container.offsetHeight;
 639
 640                 var rel_offset_top = row.offsetTop - container.scrollTop;
 641                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 642
 643                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 644                 debug("Vport: " + viewport);
 645
 646                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 647                         container.scrollTop = row.offsetTop;
 648                 } else if (rel_offset_bottom > viewport) {
 649
 650                         /* doesn't properly work with Opera in some cases because
 651                                 Opera fucks up element scrolling */
 652
 653                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 654                 }
 655
 656         } catch (e) {
 657                 exception_error("correctHeadlinesOffset", e);
 658         }
 659
 660 }
 661
 662 function moveToPost(mode) {
 663
 664         try {
 665
 666                 var rows;
 667
 668                 if (isCdmMode()) {
 669                         rows = cdmGetVisibleArticles();
 670                 } else {
 671                         rows = getVisibleHeadlineIds();
 672                 }
 673
 674                 var prev_id = false;
 675                 var next_id = false;
 676
 677                 if (!document.getElementById('RROW-' + active_post_id)) {
 678                         active_post_id = false;
 679                 }
 680
 681                 if (active_post_id == false) {
 682                         next_id = getFirstVisibleHeadlineId();
 683                         prev_id = getLastVisibleHeadlineId();
 684                 } else {
 685                         for (var i = 0; i < rows.length; i++) {
 686                                 if (rows[i] == active_post_id) {
 687                                         prev_id = rows[i-1];
 688                                         next_id = rows[i+1];
 689                                 }
 690                         }
 691                 }
 692
 693                 if (mode == "next") {
 694                         if (next_id) {
 695                                 if (isCdmMode()) {
 696
 697                                         if (!cdmArticleIsActuallyVisible(next_id)) {
 698                                                 cdmScrollToArticleId(next_id);
 699                                         }
 700                                         cdmSelectArticles("none");
 701                                         toggleUnread(next_id, 0, true);
 702                                         toggleSelected(next_id);
 703
 704                                 } else {
 705                                         correctHeadlinesOffset(next_id);
 706                                         view(next_id, getActiveFeedId());
 707                                 }
 708                         }
 709                 }
 710
 711                 if (mode == "prev") {
 712                         if (prev_id) {
 713                                 if (isCdmMode()) {
 714                                         cdmScrollToArticleId(prev_id);
 715                                         cdmSelectArticles("none");
 716                                         toggleUnread(prev_id, 0, true);
 717                                         toggleSelected(prev_id);
 718                                 } else {
 719                                         correctHeadlinesOffset(prev_id);
 720                                         view(prev_id, getActiveFeedId());
 721                                 }
 722                         }
 723                 }
 724
 725         } catch (e) {
 726                 exception_error("moveToPost", e);
 727         }
 728 }
 729
 730 function toggleSelected(id) {
 731         try {
 732
 733                 var cb = document.getElementById("RCHK-" + id);
 734
 735                 var row = document.getElementById("RROW-" + id);
 736                 if (row) {
 737                         var nc = row.className;
 738
 739                         if (!nc.match("Selected")) {
 740                                 nc = nc + "Selected";
 741                                 if (cb) {
 742                                         cb.checked = true;
 743                                 }
 744
 745                                 // In CDM basically last selected article == active article
 746                                 if (isCdmMode()) active_post_id = id;
 747                         } else {
 748                                 nc = nc.replace("Selected", "");
 749                                 if (cb) {
 750                                         cb.checked = false;
 751                                 }
 752
 753                         }
 754
 755                         row.className = nc;
 756                 }
 757         } catch (e) {
 758                 exception_error("toggleSelected", e);
 759         }
 760 }
 761
 762 function toggleUnread_afh(effect) {
 763         try {
 764
 765                 var elem = effect.element;
 766                 elem.style.backgroundColor = "";
 767
 768         } catch (e) {
 769                 exception_error("toggleUnread_afh", e);
 770         }
 771 }
 772
 773 function toggleUnread(id, cmode, effect) {
 774         try {
 775
 776                 var row = document.getElementById("RROW-" + id);
 777                 if (row) {
 778                         var nc = row.className;
 779                         var is_selected = row.className.match("Selected");
 780                         nc = nc.replace("Unread", "");
 781                         nc = nc.replace("Selected", "");
 782
 783                         // since we are removing selection from the object, uncheck
 784                         // corresponding checkbox
 785
 786                         var cb = document.getElementById("RCHK-" + id);
 787                         if (cb) {
 788                                 cb.checked = false;
 789                         }
 790
 791                         // NOTE: I'm not sure that resetting selection here is a feature -fox
 792
 793                         if (cmode == undefined || cmode == 2) {
 794                                 if (row.className.match("Unread")) {
 795                                         row.className = nc;
 796
 797                                         if (effect) {
 798                                                 new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 799                                                         afterFinish: toggleUnread_afh,
 800                                                         queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 801                                         }
 802
 803                                 } else {
 804                                         row.className = nc + "Unread";
 805                                 }
 806                         } else if (cmode == 0) {
 807                                 row.className = nc;
 808
 809                                 if (effect) {
 810                                         new Effect.Highlight(row, {duration: 1, startcolor: "#fff7d5",
 811                                                 afterFinish: toggleUnread_afh,
 812                                                 queue: { position:'end', scope: 'TMRQ-' + id, limit: 1 } } );
 813                                 }
 814                         } else if (cmode == 1) {
 815                                 row.className = nc + "Unread";
 816                         }
 817
 818                         // Disable unmarking as selected for the time being (16.05.08) -fox
 819                         if (is_selected) row.className = row.className + "Selected";
 820
 821                         if (cmode == undefined) cmode = 2;
 822
 823                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 824                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 825
 826 //                      notify_progress("Loading, please wait...");
 827
 828                         new Ajax.Request(query, {
 829                                 onComplete: function(transport) {
 830                                         all_counters_callback2(transport);
 831                                 } });
 832
 833                 }
 834
 835
 836         } catch (e) {
 837                 exception_error("toggleUnread", e);
 838         }
 839 }
 840
 841 function selectionRemoveLabel(id) {
 842         try {
 843
 844                 var ids = getSelectedArticleIds2();
 845
 846                 if (ids.length == 0) {
 847                         alert(__("No articles are selected."));
 848                         return;
 849                 }
 850
 851 //              var ok = confirm(__("Remove selected articles from label?"));
 852
 853 //              if (ok) {
 854
 855                         var query = "backend.php?op=rpc&subop=removeFromLabel&ids=" +
 856                                 param_escape(ids.toString()) + "&lid=" + param_escape(id);
 857
 858 //                      notify_progress("Loading, please wait...");
 859
 860                         cache_invalidate("F:" + (-11 - id));
 861
 862                         new Ajax.Request(query, {
 863                                 onComplete: function(transport) {
 864                                         show_labels_in_headlines(transport);
 865                                         all_counters_callback2(transport);
 866                                 } });
 867
 868 //              }
 869
 870         } catch (e) {
 871                 exception_error("selectionAssignLabel", e);
 872
 873         }
 874 }
 875
 876 function selectionAssignLabel(id) {
 877         try {
 878
 879                 var ids = getSelectedArticleIds2();
 880
 881                 if (ids.length == 0) {
 882                         alert(__("No articles are selected."));
 883                         return;
 884                 }
 885
 886 //              var ok = confirm(__("Assign selected articles to label?"));
 887
 888 //              if (ok) {
 889
 890                         cache_invalidate("F:" + (-11 - id));
 891
 892                         var query = "backend.php?op=rpc&subop=assignToLabel&ids=" +
 893                                 param_escape(ids.toString()) + "&lid=" + param_escape(id);
 894
 895 //                      notify_progress("Loading, please wait...");
 896
 897                         new Ajax.Request(query, {
 898                                 onComplete: function(transport) {
 899                                         show_labels_in_headlines(transport);
 900                                         all_counters_callback2(transport);
 901                                 } });
 902
 903 //              }
 904
 905         } catch (e) {
 906                 exception_error("selectionAssignLabel", e);
 907
 908         }
 909 }
 910
 911 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
 912         try {
 913                 var rows;
 914
 915                 if (cdm_mode) {
 916                         rows = cdmGetSelectedArticles();
 917                 } else {
 918                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 919                 }
 920
 921                 if (rows.length == 0 && !no_error) {
 922                         alert(__("No articles are selected."));
 923                         return;
 924                 }
 925
 926                 for (i = 0; i < rows.length; i++) {
 927                         var row = document.getElementById("RROW-" + rows[i]);
 928                         if (row) {
 929                                 var nc = row.className;
 930                                 nc = nc.replace("Unread", "");
 931                                 nc = nc.replace("Selected", "");
 932
 933                                 if (set_state == undefined) {
 934                                         if (row.className.match("Unread")) {
 935                                                 row.className = nc + "Selected";
 936                                         } else {
 937                                                 row.className = nc + "UnreadSelected";
 938                                         }
 939                                 }
 940
 941                                 if (set_state == false) {
 942                                         row.className = nc + "Selected";
 943                                 }
 944
 945                                 if (set_state == true) {
 946                                         row.className = nc + "UnreadSelected";
 947                                 }
 948                         }
 949                 }
 950
 951                 if (rows.length > 0) {
 952
 953                         var cmode = "";
 954
 955                         if (set_state == undefined) {
 956                                 cmode = "2";
 957                         } else if (set_state == true) {
 958                                 cmode = "1";
 959                         } else if (set_state == false) {
 960                                 cmode = "0";
 961                         }
 962
 963                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 964                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 965
 966                         notify_progress("Loading, please wait...");
 967
 968                         new Ajax.Request(query, {
 969                                 onComplete: function(transport) {
 970                                         catchup_callback2(transport, callback_func);
 971                                 } });
 972
 973                 }
 974
 975         } catch (e) {
 976                 exception_error("selectionToggleUnread", e);
 977         }
 978 }
 979
 980 function selectionToggleMarked(cdm_mode) {
 981         try {
 982
 983                 var rows;
 984
 985                 if (cdm_mode) {
 986                         rows = cdmGetSelectedArticles();
 987                 } else {
 988                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 989                 }
 990
 991                 if (rows.length == 0) {
 992                         alert(__("No articles are selected."));
 993                         return;
 994                 }
 995
 996                 for (i = 0; i < rows.length; i++) {
 997                         toggleMark(rows[i], true, true);
 998                 }
 999
1000                 if (rows.length > 0) {
1001
1002                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
1003                                 param_escape(rows.toString()) + "&cmode=2";
1004
1005                         query = query + "&afid=" + getActiveFeedId();
1006
1007 /*                      if (tagsAreDisplayed()) {
1008                                 query = query + "&omode=tl";
1009                         } else {
1010                                 query = query + "&omode=flc";
1011                         } */
1012
1013                         query = query + "&omode=lc";
1014
1015                         new Ajax.Request(query, {
1016                                 onComplete: function(transport) {
1017                                         all_counters_callback2(transport);
1018                                 } });
1019
1020                 }
1021
1022         } catch (e) {
1023                 exception_error("selectionToggleMarked", e);
1024         }
1025 }
1026
1027 function selectionTogglePublished(cdm_mode) {
1028         try {
1029
1030                 var rows;
1031
1032                 if (cdm_mode) {
1033                         rows = cdmGetSelectedArticles();
1034                 } else {
1035                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
1036                 }
1037
1038                 if (rows.length == 0) {
1039                         alert(__("No articles are selected."));
1040                         return;
1041                 }
1042
1043                 for (i = 0; i < rows.length; i++) {
1044                         togglePub(rows[i], true, true);
1045                 }
1046
1047                 if (rows.length > 0) {
1048
1049                         var query = "backend.php?op=rpc&subop=publishSelected&ids=" +
1050                                 param_escape(rows.toString()) + "&cmode=2";
1051
1052                         query = query + "&afid=" + getActiveFeedId();
1053
1054 /*                      if (tagsAreDisplayed()) {
1055                                 query = query + "&omode=tl";
1056                         } else {
1057                                 query = query + "&omode=flc";
1058                         } */
1059
1060                         query = query + "&omode=lc";
1061
1062                         new Ajax.Request(query, {
1063                                 onComplete: function(transport) {
1064                                         all_counters_callback2(transport);
1065                                 } });
1066
1067                 }
1068
1069         } catch (e) {
1070                 exception_error("selectionToggleMarked", e);
1071         }
1072 }
1073
1074 function cdmGetSelectedArticles() {
1075         var sel_articles = new Array();
1076         var container = document.getElementById("headlinesInnerContainer");
1077
1078         for (i = 0; i < container.childNodes.length; i++) {
1079                 var child = container.childNodes[i];
1080
1081                 if (child.id && child.id.match("RROW-") && child.className.match("Selected")) {
1082                         var c_id = child.id.replace("RROW-", "");
1083                         sel_articles.push(c_id);
1084                 }
1085         }
1086
1087         return sel_articles;
1088 }
1089
1090 function cdmGetVisibleArticles() {
1091         var sel_articles = new Array();
1092         var container = document.getElementById("headlinesInnerContainer");
1093
1094         if (!container) return sel_articles;
1095
1096         for (i = 0; i < container.childNodes.length; i++) {
1097                 var child = container.childNodes[i];
1098
1099                 if (child.id && child.id.match("RROW-")) {
1100                         var c_id = child.id.replace("RROW-", "");
1101                         sel_articles.push(c_id);
1102                 }
1103         }
1104
1105         return sel_articles;
1106 }
1107
1108 function cdmGetUnreadArticles() {
1109         var sel_articles = new Array();
1110         var container = document.getElementById("headlinesInnerContainer");
1111
1112         for (i = 0; i < container.childNodes.length; i++) {
1113                 var child = container.childNodes[i];
1114
1115                 if (child.id && child.id.match("RROW-") && child.className.match("Unread")) {
1116                         var c_id = child.id.replace("RROW-", "");
1117                         sel_articles.push(c_id);
1118                 }
1119         }
1120
1121         return sel_articles;
1122 }
1123
1124
1125 // mode = all,none,unread
1126 function cdmSelectArticles(mode) {
1127         var container = document.getElementById("headlinesInnerContainer");
1128
1129         for (i = 0; i < container.childNodes.length; i++) {
1130                 var child = container.childNodes[i];
1131
1132                 if (child.id && child.id.match("RROW-")) {
1133                         var aid = child.id.replace("RROW-", "");
1134
1135                         var cb = document.getElementById("RCHK-" + aid);
1136
1137                         if (mode == "all") {
1138                                 if (!child.className.match("Selected")) {
1139                                         child.className = child.className + "Selected";
1140                                         cb.checked = true;
1141                                 }
1142                         } else if (mode == "unread") {
1143                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
1144                                         child.className = child.className + "Selected";
1145                                         cb.checked = true;
1146                                 }
1147                         } else {
1148                                 child.className = child.className.replace("Selected", "");
1149                                 cb.checked = false;
1150                         }
1151                 }
1152         }
1153 }
1154
1155 function catchupPage() {
1156
1157         var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1158
1159         var str = __("Mark all visible articles in %s as read?");
1160
1161         str = str.replace("%s", fn);
1162
1163         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1164                 return;
1165         }
1166
1167         if (document.getElementById("headlinesList")) {
1168                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
1169                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
1170                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
1171         } else {
1172                 cdmSelectArticles('all');
1173                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
1174                 cdmSelectArticles('none');
1175         }
1176 }
1177
1178 function catchupSelection() {
1179
1180         try {
1181
1182                 var rows;
1183
1184                 if (document.getElementById("headlinesList")) {
1185                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
1186                 } else {
1187                         rows = cdmGetSelectedArticles();
1188                 }
1189
1190                 if (rows.length == 0) {
1191                         alert(__("No articles are selected."));
1192                         return;
1193                 }
1194
1195
1196                 var fn = getFeedName(getActiveFeedId(), activeFeedIsCat());
1197
1198                 var str = __("Mark %d selected articles in %s as read?");
1199
1200                 str = str.replace("%d", rows.length);
1201                 str = str.replace("%s", fn);
1202
1203                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
1204                         return;
1205                 }
1206
1207                 if (document.getElementById("headlinesList")) {
1208                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
1209         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
1210                 } else {
1211                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
1212         //              cdmSelectArticles('none');
1213                 }
1214
1215         } catch (e) {
1216                 exception_error("catchupSelection", e);
1217         }
1218 }
1219
1220 function editArticleTags(id, feed_id, cdm_enabled) {
1221         displayDlg('editArticleTags', id);
1222 }
1223
1224
1225 function tag_saved_callback(transport) {
1226         try {
1227                 debug("in tag_saved_callback");
1228
1229                 closeInfoBox();
1230                 notify("");
1231
1232                 if (tagsAreDisplayed()) {
1233                         _reload_feedlist_after_view = true;
1234                 }
1235
1236
1237                 if (transport.responseXML) {
1238                         var tags_str = transport.responseXML.getElementsByTagName("tags-str")[0];
1239
1240                         if (tags_str) {
1241                                 var id = tags_str.getAttribute("id");
1242
1243                                 if (id) {
1244                                         var tags = document.getElementById("ATSTR-" + id);
1245                                         if (tags) {
1246                                                 tags.innerHTML = tags_str.firstChild.nodeValue;
1247                                         }
1248                                 }
1249                         }
1250                 }
1251
1252         } catch (e) {
1253                 exception_error("tag_saved_callback", e);
1254         }
1255 }
1256
1257 function editTagsSave() {
1258
1259         notify_progress("Saving article tags...");
1260
1261         var form = document.forms["tag_edit_form"];
1262
1263         var query = Form.serialize("tag_edit_form");
1264
1265         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
1266
1267         debug(query);
1268
1269         new Ajax.Request(query, {
1270                 onComplete: function(transport) {
1271                                 tag_saved_callback(transport);
1272                         } });
1273
1274 }
1275
1276 function editTagsInsert() {
1277         try {
1278
1279                 var form = document.forms["tag_edit_form"];
1280
1281                 var found_tags = form.found_tags;
1282                 var tags_str = form.tags_str;
1283
1284                 var tag = found_tags[found_tags.selectedIndex].value;
1285
1286                 if (tags_str.value.length > 0 &&
1287                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1288
1289                         tags_str.value = tags_str.value + ", ";
1290                 }
1291
1292                 tags_str.value = tags_str.value + tag + ", ";
1293
1294                 found_tags.selectedIndex = 0;
1295
1296         } catch (e) {
1297                 exception_error("editTagsInsert", e);
1298         }
1299 }
1300
1301 function cdmScrollViewport(where) {
1302         debug("cdmScrollViewport: " + where);
1303
1304         var ctr = document.getElementById("headlinesInnerContainer");
1305
1306         if (!ctr) return;
1307
1308         if (where == "bottom") {
1309                 ctr.scrollTop = ctr.scrollHeight;
1310         } else {
1311                 ctr.scrollTop = where;
1312         }
1313 }
1314
1315 function cdmArticleIsBelowViewport(id) {
1316         try {
1317                 var ctr = document.getElementById("headlinesInnerContainer");
1318                 var e = document.getElementById("RROW-" + id);
1319
1320                 if (!e || !ctr) return;
1321
1322                 // article starts below viewport
1323
1324                 if (ctr.scrollTop < e.offsetTop) {
1325                         return true;
1326                 } else {
1327                         return false;
1328                 }
1329
1330         } catch (e) {
1331                 exception_error("cdmArticleIsVisible", e);
1332         }
1333 }
1334
1335 function cdmArticleIsAboveViewport(id) {
1336         try {
1337                 var ctr = document.getElementById("headlinesInnerContainer");
1338                 var e = document.getElementById("RROW-" + id);
1339
1340                 if (!e || !ctr) return;
1341
1342                 // article starts above viewport
1343
1344                 if (ctr.scrollTop > e.offsetTop + e.offsetHeight) {
1345                         return true;
1346                 } else {
1347                         return false;
1348                 }
1349
1350         } catch (e) {
1351                 exception_error("cdmArticleIsVisible", e);
1352         }
1353 }
1354
1355 function cdmScrollToArticleId(id) {
1356         try {
1357                 var ctr = document.getElementById("headlinesInnerContainer");
1358                 var e = document.getElementById("RROW-" + id);
1359
1360                 if (!e || !ctr) return;
1361
1362                 ctr.scrollTop = e.offsetTop;
1363
1364         } catch (e) {
1365                 exception_error("cdmScrollToArticleId", e);
1366         }
1367 }
1368
1369 function cdmArticleIsActuallyVisible(id) {
1370         try {
1371                 var ctr = document.getElementById("headlinesInnerContainer");
1372                 var e = document.getElementById("RROW-" + id);
1373
1374                 if (!e || !ctr) return;
1375
1376                 // article fits in viewport OR article is longer than viewport and
1377                 // its bottom is visible
1378
1379                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1380                                 ctr.scrollTop + ctr.offsetHeight) {
1381
1382                         return true;
1383
1384                 } else if (e.offsetHeight > ctr.offsetHeight &&
1385                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1386                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1387
1388                         return true;
1389
1390                 }
1391
1392                 return false;
1393
1394         } catch (e) {
1395                 exception_error("cdmArticleIsVisible", e);
1396         }
1397 }
1398
1399 function cdmWatchdog() {
1400
1401         try {
1402
1403                 var ctr = document.getElementById("headlinesInnerContainer");
1404
1405                 if (!ctr) return;
1406
1407                 var ids = new Array();
1408
1409                 var e = ctr.firstChild;
1410
1411                 while (e) {
1412                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1413                                         e.id.match("RROW-")) {
1414
1415                                 // article fits in viewport OR article is longer than viewport and
1416                                 // its bottom is visible
1417
1418                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1419                                                 ctr.scrollTop + ctr.offsetHeight) {
1420
1421 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1422 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1423 //                                              (ctr.scrollTop + ctr.offsetHeight));
1424
1425                                         ids.push(e.id.replace("RROW-", ""));
1426
1427                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1428                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1429                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1430
1431                                         ids.push(e.id.replace("RROW-", ""));
1432
1433                                 }
1434
1435                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1436
1437 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1438                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1439
1440                                         ids.push(e.id.replace("RROW-", ""));
1441
1442                                 } */
1443
1444                         }
1445
1446                         e = e.nextSibling;
1447                 }
1448
1449                 debug("cdmWatchdog, ids= " + ids.toString());
1450
1451                 if (ids.length > 0) {
1452
1453                         for (var i = 0; i < ids.length; i++) {
1454                                 var e = document.getElementById("RROW-" + ids[i]);
1455                                 if (e) {
1456                                         e.className = e.className.replace("Unread", "");
1457                                 }
1458                         }
1459
1460                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1461                                 param_escape(ids.toString()) + "&cmode=0";
1462
1463                         new Ajax.Request(query, {
1464                                 onComplete: function(transport) {
1465                                         all_counters_callback2(transport);
1466                                 } });
1467
1468                 }
1469
1470                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1471
1472         } catch (e) {
1473                 exception_error("cdmWatchdog", e);
1474         }
1475
1476 }
1477
1478
1479 function cache_inject(id, article, param) {
1480         if (!cache_check_param(id, param)) {
1481                 debug("cache_article: miss: " + id + " [p=" + param + "]");
1482
1483                 var cache_obj = new Array();
1484
1485                 cache_obj["id"] = id;
1486                 cache_obj["data"] = article;
1487                 cache_obj["param"] = param;
1488
1489                 article_cache.push(cache_obj);
1490
1491         } else {
1492                 debug("cache_article: hit: " + id + " [p=" + param + "]");
1493         }
1494 }
1495
1496 function cache_find(id) {
1497         for (var i = 0; i < article_cache.length; i++) {
1498                 if (article_cache[i]["id"] == id) {
1499                         return article_cache[i]["data"];
1500                 }
1501         }
1502         return false;
1503 }
1504
1505 function cache_find_param(id, param) {
1506         for (var i = 0; i < article_cache.length; i++) {
1507                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1508                         return article_cache[i]["data"];
1509                 }
1510         }
1511         return false;
1512 }
1513
1514 function cache_check(id) {
1515         for (var i = 0; i < article_cache.length; i++) {
1516                 if (article_cache[i]["id"] == id) {
1517                         return true;
1518                 }
1519         }
1520         return false;
1521 }
1522
1523 function cache_check_param(id, param) {
1524         for (var i = 0; i < article_cache.length; i++) {
1525
1526 //              debug("cache_check_param " + article_cache[i]["id"] + ":" +
1527 //                      article_cache[i]["param"] + " vs " + id + ":" + param);
1528
1529                 if (article_cache[i]["id"] == id && article_cache[i]["param"] == param) {
1530                         return true;
1531                 }
1532         }
1533         return false;
1534 }
1535
1536 function cache_expire() {
1537         while (article_cache.length > 25) {
1538                 article_cache.shift();
1539         }
1540 }
1541
1542 function cache_empty() {
1543         article_cache = new Array();
1544 }
1545
1546 function cache_invalidate(id) {
1547         var i = 0
1548
1549         try {
1550
1551                 while (i < article_cache.length) {
1552                         if (article_cache[i]["id"] == id) {
1553                                 debug("cache_invalidate: removed id " + id);
1554                                 article_cache.splice(i, 1);
1555                                 return true;
1556                         }
1557                         i++;
1558                 }
1559                 debug("cache_invalidate: id not found: " + id);
1560                 return false;
1561         } catch (e) {
1562                 exception_error("cache_invalidate", e);
1563         }
1564 }
1565
1566 function getActiveArticleId() {
1567         return active_post_id;
1568 }
1569
1570 function cdmClicked(id) {
1571         try {
1572                 var elem = document.getElementById("RROW-" + id);
1573
1574                 if (elem) {
1575                         var id = elem.id.replace("RROW-", "");
1576                         active_post_id = id;
1577
1578                         cdmSelectArticles("none");
1579                         toggleUnread(id, 0, true);
1580                         toggleSelected(id);
1581
1582                 }
1583         } catch (e) {
1584                 exception_error("cdmClicked", e);
1585         }
1586 }
1587
1588 function preload_article_callback(transport) {
1589         try {
1590                 if (transport.responseXML) {
1591                         var articles = transport.responseXML.getElementsByTagName("article");
1592
1593                         for (var i = 0; i < articles.length; i++) {
1594                                 var id = articles[i].getAttribute("id");
1595                                 if (!cache_check(id)) {
1596                                         cache_inject(id, articles[i].firstChild.nodeValue);
1597                                         debug("preloaded article: " + id);
1598                                 }
1599                         }
1600                 }
1601         } catch (e) {
1602                 exception_error("preload_article_callback", e);
1603         }
1604 }
1605
1606 function preloadArticleUnderPointer(id) {
1607         try {
1608                 if (getInitParam("bw_limit") == "1") return;
1609
1610                 if (post_under_pointer == id && !cache_check(id)) {
1611
1612                         debug("trying to preload article " + id);
1613
1614                         var neighbor_ids = getRelativePostIds(id, 1);
1615
1616                         /* only request uncached articles */
1617
1618                         var cids_to_request = Array();
1619
1620                         for (var i = 0; i < neighbor_ids.length; i++) {
1621                                 if (!cache_check(neighbor_ids[i])) {
1622                                         cids_to_request.push(neighbor_ids[i]);
1623                                 }
1624                         }
1625                         debug("additional ids: " + cids_to_request.toString());
1626
1627                         cids_to_request.push(id);
1628
1629                         var query = "backend.php?op=rpc&subop=getArticles&ids=" +
1630                                 cids_to_request.toString();
1631                         new Ajax.Request(query, {
1632                                 onComplete: function(transport) {
1633                                         preload_article_callback(transport);
1634                         } });
1635                 }
1636         } catch (e) {
1637                 exception_error("preloadArticleUnderPointer", e);
1638         }
1639 }
1640
1641 function postMouseIn(id) {
1642         try {
1643                 if (post_under_pointer != id) {
1644                         post_under_pointer = id;
1645                         if (!isCdmMode()) {
1646                                 window.setTimeout("preloadArticleUnderPointer(" + id + ")", 250);
1647                         }
1648                 }
1649
1650         } catch (e) {
1651                 exception_error("postMouseIn", e);
1652         }
1653 }
1654
1655 function postMouseOut(id) {
1656         try {
1657                 post_under_pointer = false;
1658         } catch (e) {
1659                 exception_error("postMouseOut", e);
1660         }
1661 }
1662
1663 function headlines_scroll_handler() {
1664         try {
1665
1666                 var e = document.getElementById("headlinesInnerContainer");
1667
1668                 // don't do infinite scrolling when Limit == All
1669
1670                 var toolbar_form = document.forms["main_toolbar_form"];
1671
1672                 var limit = toolbar_form.limit[toolbar_form.limit.selectedIndex];
1673                 if (limit.value != 0) {
1674
1675                         debug((e.scrollTop + e.offsetHeight) + " vs " + e.scrollHeight + " dis? " +
1676                                 _infscroll_disable);
1677
1678                         if (e.scrollTop + e.offsetHeight > e.scrollHeight - 100) {
1679                                 if (!_infscroll_disable) {
1680                                         debug("more cowbell!");
1681                                         viewNextFeedPage();
1682                                 }
1683                         }
1684                 }
1685
1686         } catch (e) {
1687                 exception_error("headlines_scroll_handler", e);
1688         }
1689 }
1690
1691 function catchupRelativeToArticle(below) {
1692
1693         try {
1694
1695                 if (!xmlhttp_ready(xmlhttp_rpc)) {
1696                         printLockingError();
1697                 }
1698
1699                 if (!getActiveArticleId()) {
1700                         alert(__("No article is selected."));
1701                         return;
1702                 }
1703
1704                 var visible_ids;
1705
1706                 if (document.getElementById("headlinesList")) {
1707                         visible_ids = getVisibleHeadlineIds();
1708                 } else {
1709                         visible_ids = cdmGetVisibleArticles();
1710                 }
1711
1712                 var ids_to_mark = new Array();
1713
1714                 if (!below) {
1715                         for (var i = 0; i < visible_ids.length; i++) {
1716                                 if (visible_ids[i] != getActiveArticleId()) {
1717                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1718
1719                                         if (e && e.className.match("Unread")) {
1720                                                 ids_to_mark.push(visible_ids[i]);
1721                                         }
1722                                 } else {
1723                                         break;
1724                                 }
1725                         }
1726                 } else {
1727                         for (var i = visible_ids.length-1; i >= 0; i--) {
1728                                 if (visible_ids[i] != getActiveArticleId()) {
1729                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1730
1731                                         if (e && e.className.match("Unread")) {
1732                                                 ids_to_mark.push(visible_ids[i]);
1733                                         }
1734                                 } else {
1735                                         break;
1736                                 }
1737                         }
1738                 }
1739
1740                 if (ids_to_mark.length == 0) {
1741                         alert(__("No articles found to mark"));
1742                 } else {
1743                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1744
1745                         if (confirm(msg)) {
1746
1747                                 for (var i = 0; i < ids_to_mark.length; i++) {
1748                                         var e = document.getElementById("RROW-" + ids_to_mark[i]);
1749                                         e.className = e.className.replace("Unread", "");
1750                                 }
1751
1752                                 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1753                                         param_escape(ids_to_mark.toString()) + "&cmode=0";
1754
1755                                 new Ajax.Request(query, {
1756                                         onComplete: function(transport) {
1757                                                 catchup_callback2(transport);
1758                                         } });
1759
1760                         }
1761                 }
1762
1763         } catch (e) {
1764                 exception_error("catchupRelativeToArticle", e);
1765         }
1766 }
1767
1768 function cdmExpandArticle(a_id) {
1769         try {
1770                 var id = 'CICD-' + a_id;
1771
1772                 try {
1773                         Element.hide("CEXC-" + a_id);
1774                 } catch (e) { }
1775
1776                 Effect.Appear(id, {duration : 0.5,
1777                         beforeStart: function(effect) {
1778                                 var h_id = 'CICH-' + a_id;
1779                                 var h_elem = document.getElementById(h_id);
1780                                 if (h_elem) { h_elem.style.display = "none"; }
1781
1782                                 toggleUnread(a_id, 0);
1783                         }});
1784
1785
1786         } catch (e) {
1787                 exception_error("appearBlockElementF", e);
1788         }
1789
1790 }
1791
1792 function fixHeadlinesOrder(ids) {
1793         try {
1794                 for (var i = 0; i < ids.length; i++) {
1795                         var e = document.getElementById("RROW-" + ids[i]);
1796
1797                         if (e) {
1798                                 if (i % 2 == 0) {
1799                                         e.className = e.className.replace("even", "odd");
1800                                 } else {
1801                                         e.className = e.className.replace("odd", "even");
1802                                 }
1803                         }
1804                 }
1805         } catch (e) {
1806                 exception_error("fixHeadlinesOrder", e);
1807         }
1808 }
1809
1810 function hideReadHeadlines() {
1811         try {
1812
1813                 var ids = false;
1814                 var vis_ids = new Array();
1815
1816                 if (document.getElementById("headlinesList")) {
1817                         ids = getVisibleHeadlineIds();
1818                 } else {
1819                         ids = cdmGetVisibleArticles();
1820                 }
1821
1822                 var read_headlines_visible = true;
1823
1824                 for (var i = 0; i < ids.length; i++) {
1825                         var row = document.getElementById("RROW-" + ids[i]);
1826
1827                         if (row && row.className) {
1828                                 if (read_headlines_visible) {
1829                                         if (row.className.match("Unread") || row.className.match("Selected")) {
1830                                                 Element.show(row);
1831                                                 vis_ids.push(ids[i]);
1832                                         } else {
1833                                                 //Effect.Fade(row, {duration : 0.3});
1834                                                 Element.hide(row);
1835                                         }
1836                                 } else {
1837                                         Element.show(row);
1838                                         vis_ids.push(ids[i]);
1839                                 }
1840                         }
1841                 }
1842
1843                 fixHeadlinesOrder(vis_ids);
1844
1845                 read_headlines_visible = !read_headlines_visible;
1846
1847         } catch (e) {
1848                 exception_error("hideReadHeadlines", e);
1849         }
1850 }
1851
1852 function invertHeadlineSelection() {
1853         try {
1854                 var rows = new Array();
1855                 var r = false;
1856
1857                 if (!isCdmMode()) {
1858                         r = document.getElementsByTagName("TR");
1859                 } else {
1860                         r = document.getElementsByTagName("DIV");
1861                 }
1862
1863                 for (var i = 0; i < r.length; i++) {
1864                         if (r[i].id && r[i].id.match("RROW-")) {
1865                                 rows.push(r[i]);
1866                         }
1867                 }
1868
1869                 for (var i = 0; i < rows.length; i++) {
1870                         var nc = rows[i].className;
1871                         var id = rows[i].id.replace("RROW-", "");
1872                         var cb = document.getElementById("RCHK-" + id);
1873
1874                         if (!rows[i].className.match("Selected")) {
1875                                 nc = nc + "Selected";
1876                                 cb.checked = true;
1877                         } else {
1878                                 nc = nc.replace("Selected", "");
1879                                 cb.checked = false;
1880                         }
1881
1882                         rows[i].className = nc;
1883
1884                 }
1885
1886         } catch (e) {
1887                 exception_error("invertHeadlineSelection", e);
1888         }
1889 }
1890
1891 function getArticleUnderPointer() {
1892         return post_under_pointer;
1893 }
1894
1895 function zoomToArticle(id) {
1896         try {
1897                 var w = window.open("backend.php?op=view&mode=zoom&id=" + param_escape(id),
1898                         "ttrss_zoom_" + id,
1899                         "status=0,toolbar=0,location=0,width=450,height=300,scrollbars=1,menubar=0");
1900
1901         } catch (e) {
1902                 exception_error("zoomToArticle", e);
1903         }
1904 }
1905
1906 function showOriginalArticleInline(id) {
1907         try {
1908
1909                 var query = "backend.php?op=rpc&subop=getArticleLink&id=" + id;
1910
1911                 notify_progress("Loading, please wait...", true);
1912
1913                 new Ajax.Request(query, {
1914                         onComplete: function(transport) {
1915
1916                                 if (transport.responseXML) {
1917
1918                                         var link = transport.responseXML.getElementsByTagName("link")[0];
1919                                         var id = transport.responseXML.getElementsByTagName("id")[0];
1920
1921                                         notify("");
1922
1923                                         if (link && id) {
1924                                                 link = link.firstChild.nodeValue;
1925
1926                                                 var ci = document.getElementById("content-insert");
1927
1928                                                 var tmp = "<iframe id=\"inline_orig_article\" width=\""+ci.offsetWidth+"\" height=\""+ci.offsetHeight+"\" style=\"border-width : 0px;\" src=\""+link+"\"></iframe>";
1929
1930                                                 render_article(tmp);
1931
1932                                         }
1933                                 }
1934                         } });
1935
1936         } catch (e) {
1937                 exception_error("showOriginalArticleInline", e);
1938         }
1939 }
1940
1941
1942 function scrollArticle(offset) {
1943         try {
1944                 if (!isCdmMode()) {
1945                         var ci = document.getElementById("content-insert");
1946                         if (ci) {
1947                                 ci.scrollTop += offset;
1948                         }
1949                 } else {
1950                         var hi = document.getElementById("headlinesInnerContainer");
1951                         if (hi) {
1952                                 hi.scrollTop += offset;
1953                         }
1954
1955                 }
1956         } catch (e) {
1957                 exception_error("scrollArticle", e);
1958         }
1959 }
1960
1961 function show_labels_in_headlines(transport) {
1962         try {
1963                 if (transport.responseXML) {
1964                         var info = transport.responseXML.getElementsByTagName("info-for-headlines")[0];
1965
1966                         var elems = info.getElementsByTagName("entry");
1967
1968                         for (var l = 0; l < elems.length; l++) {
1969                                 var e_id = elems[l].getAttribute("id");
1970
1971                                 if (e_id) {
1972
1973                                         var ctr = document.getElementById("HLLCTR-" + e_id);
1974
1975                                         if (ctr) {
1976                                                 ctr.innerHTML = elems[l].firstChild.nodeValue;
1977                                         }
1978                                 }
1979
1980                         }
1981
1982                 }
1983         } catch (e) {
1984                 exception_error("show_labels_in_headlines", e);
1985
1986         }
1987 }
1988
1989 function toggleHeadlineActions() {
1990         try {
1991                 var e = document.getElementById("headlineActionsBody");
1992                 var p = document.getElementById("headlineActionsDrop");
1993
1994                 if (!Element.visible(e)) {
1995                         Element.show(e);
1996                 } else {
1997                         Element.hide(e);
1998                 }
1999
2000                 e.scrollTop = 0;
2001                 e.style.left = (p.offsetLeft + 1) + "px";
2002 //              e.style.top = (p.offsetTop + p.offsetHeight - 1) + "px";
2003
2004         } catch (e) {
2005                 exception_error("toggleHeadlineActions", e);
2006         }
2007 }