viewfeed.js

   1 var active_post_id = false;
   2 var last_article_view = false;
   3 var active_real_feed_id = false;
   4
   5 var _tag_active_post_id = false;
   6 var _tag_active_feed_id = false;
   7 var _tag_active_cdm = false;
   8
   9 // FIXME: kludge, to restore scrollTop after tag editor terminates
  10 var _tag_cdm_scroll = false;
  11
  12 // FIXME: kludges, needs proper implementation
  13 var _reload_feedlist_after_view = false;
  14
  15 var _cdm_wd_timeout = false;
  16 var _cdm_wd_vishist = new Array();
  17
  18 var article_cache = new Array();
  19
  20 function catchup_callback() {
  21         if (xmlhttp_rpc.readyState == 4) {
  22                 try {
  23                         debug("catchup_callback");
  24                         notify("");
  25                         all_counters_callback2(xmlhttp_rpc);
  26                         if (_catchup_callback_func) {
  27                                 setTimeout(_catchup_callback_func, 10);
  28                         }
  29                 } catch (e) {
  30                         exception_error("catchup_callback", e);
  31                 }
  32         }
  33 }
  34
  35 function catchup_callback2(transport, callback) {
  36         try {
  37                 debug("catchup_callback2 " + transport + ", " + callback);
  38                 notify("");
  39                 all_counters_callback2(transport);
  40                 if (callback) {
  41                         setTimeout(callback, 10);
  42                 }
  43         } catch (e) {
  44                 exception_error("catchup_callback2", e);
  45         }
  46 }
  47
  48 function headlines_callback2(transport, active_feed_id, active_feed_is_cat, feed_cur_page) {
  49         debug("headlines_callback2");
  50         var f = document.getElementById("headlines-frame");
  51         try {
  52                 if (feed_cur_page == 0) {
  53                         debug("resetting headlines scrollTop");
  54                         f.scrollTop = 0;
  55                 }
  56         } catch (e) { };
  57
  58         if (transport.responseXML) {
  59                 var headlines = transport.responseXML.getElementsByTagName("headlines")[0];
  60                 var counters = transport.responseXML.getElementsByTagName("counters")[0];
  61                 var articles = transport.responseXML.getElementsByTagName("article");
  62                 var runtime_info = transport.responseXML.getElementsByTagName("runtime-info");
  63
  64                 if (feed_cur_page == 0) {
  65                         if (headlines) {
  66                                 f.innerHTML = headlines.firstChild.nodeValue;
  67                         } else {
  68                                 debug("headlines_callback: returned no data");
  69                         f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML data)') + "</div>";
  70
  71                         }
  72                 } else {
  73                         if (headlines) {
  74                                 debug("adding some more headlines...");
  75
  76                                 var c = document.getElementById("headlinesList");
  77
  78                                 if (!c) {
  79                                         c = document.getElementById("headlinesInnerContainer");
  80                                 }
  81
  82                                 c.innerHTML = c.innerHTML + headlines.firstChild.nodeValue;
  83                         } else {
  84                                 debug("headlines_callback: returned no data");
  85                                 notify_error("Error while trying to load more headlines");
  86                         }
  87
  88                 }
  89
  90                 if (articles) {
  91                         for (var i = 0; i < articles.length; i++) {
  92                                 var a_id = articles[i].getAttribute("id");
  93                                 debug("found id: " + a_id);
  94                                 cache_inject(a_id, articles[i].firstChild.nodeValue);
  95                         }
  96                 } else {
  97                         debug("no cached articles received");
  98                 }
  99
 100                 if (counters) {
 101                         debug("parsing piggybacked counters: " + counters);
 102                         parse_counters(counters, false);
 103                 } else {
 104                         debug("counters container not found in reply");
 105                 }
 106
 107                 if (runtime_info) {
 108                         debug("parsing runtime info: " + runtime_info[0]);
 109                         parse_runtime_info(runtime_info[0]);
 110                 } else {
 111                         debug("counters container not found in reply");
 112                 }
 113
 114         } else {
 115                 debug("headlines_callback: returned no XML object");
 116                 f.innerHTML = "<div class='whiteBox'>" + __('Could not update headlines (missing XML object)') + "</div>";
 117         }
 118
 119         if (typeof correctPNG != 'undefined') {
 120                 correctPNG();
 121         }
 122
 123         if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
 124
 125         if (!document.getElementById("headlinesList") &&
 126                         getInitParam("cdm_auto_catchup") == 1) {
 127                 debug("starting CDM watchdog");
 128                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 129                 _cdm_wd_vishist = new Array();
 130         } else {
 131                 debug("not in CDM mode or watchdog disabled");
 132         }
 133
 134         if (_tag_cdm_scroll) {
 135                 try {
 136                         document.getElementById("headlinesInnerContainer").scrollTop = _tag_cdm_scroll;
 137                         _tag_cdm_scroll = false;
 138                         debug("resetting headlinesInner scrollTop");
 139
 140                 } catch (e) { }
 141         }
 142
 143         notify("");
 144 }
 145
 146 function render_article(article) {
 147         try {
 148                 var f = document.getElementById("content-frame");
 149                 try {
 150                         f.scrollTop = 0;
 151                 } catch (e) { };
 152
 153                 f.innerHTML = article;
 154
 155         } catch (e) {
 156                 exception_error("render_article", e);
 157         }
 158 }
 159
 160 function article_callback() {
 161         if (xmlhttp.readyState == 4) {
 162                 debug("article_callback");
 163
 164                 try {
 165                         if (xmlhttp.responseXML) {
 166                                 var reply = xmlhttp.responseXML.firstChild.firstChild;
 167
 168                                 var articles = xmlhttp.responseXML.getElementsByTagName("article");
 169
 170                                 for (var i = 0; i < articles.length; i++) {
 171                                         var a_id = articles[i].getAttribute("id");
 172
 173                                         debug("found id: " + a_id);
 174
 175                                         if (a_id == active_post_id) {
 176                                                 debug("active article, rendering...");
 177                                                 render_article(articles[i].firstChild.nodeValue);
 178                                         }
 179
 180                                         cache_inject(a_id, articles[i].firstChild.nodeValue);
 181                                 }
 182
 183                         } else {
 184                                 debug("article_callback: returned no XML object");
 185                                 var f = document.getElementById("content-frame");
 186                                 f.innerHTML = "<div class='whiteBox'>" + __('Could not display article (missing XML object)') + "</div>";
 187                         }
 188                 } catch (e) {
 189                         exception_error("article_callback", e);
 190                 }
 191
 192                 var date = new Date();
 193                 last_article_view = date.getTime() / 1000;
 194
 195                 if (typeof correctPNG != 'undefined') {
 196                         correctPNG();
 197                 }
 198
 199                 if (_reload_feedlist_after_view) {
 200                         setTimeout('updateFeedList(false, false)', 50);
 201                         _reload_feedlist_after_view = false;
 202                 } else {
 203                         var counters = xmlhttp.responseXML.getElementsByTagName("counters")[0];
 204
 205                         if (counters) {
 206                                 debug("parsing piggybacked counters: " + counters);
 207                                 parse_counters(counters, false);
 208                         } else {
 209                                 debug("counters container not found in reply");
 210                         }
 211                 }
 212
 213                 notify("");
 214         }
 215 }
 216
 217 function view(id, feed_id, skip_history) {
 218
 219         try {
 220                 debug("loading article: " + id + "/" + feed_id);
 221
 222                 active_real_feed_id = feed_id;
 223
 224                 var cached_article = cache_find(id);
 225
 226                 debug("cache check result: " + (cached_article != false));
 227
 228                 enableHotkeys();
 229
 230                 //setActiveFeedId(feed_id);
 231
 232                 var query = "backend.php?op=view&id=" + param_escape(id) +
 233                         "&feed=" + param_escape(feed_id);
 234
 235                 var date = new Date();
 236
 237                 if (!xmlhttp_ready(xmlhttp) && last_article_view < date.getTime() / 1000 - 15) {
 238                         debug("<b>xmlhttp seems to be stuck at view, aborting</b>");
 239                         xmlhttp.abort();
 240                         if (is_safari()) {
 241                                 debug("trying alternative reset method for Safari");
 242                                 xmlhttp = Ajax.getTransport();
 243                         }
 244                 }
 245
 246                 if (xmlhttp_ready(xmlhttp)) {
 247
 248                         active_post_id = id;
 249
 250                         cleanSelected("headlinesList");
 251
 252                         var crow = document.getElementById("RROW-" + active_post_id);
 253
 254                         var article_is_unread = crow.className.match("Unread");
 255                         debug("article is unread: " + article_is_unread);
 256
 257                         crow.className = crow.className.replace("Unread", "");
 258
 259                         var upd_img_pic = document.getElementById("FUPDPIC-" + active_post_id);
 260
 261                         if (upd_img_pic) {
 262                                 upd_img_pic.src = "images/blank_icon.gif";
 263                         }
 264
 265                         selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 266                         markHeadline(active_post_id);
 267
 268                         var neighbor_ids = getRelativePostIds(active_post_id);
 269
 270                         /* only request uncached articles */
 271
 272                         var cids_to_request = Array();
 273
 274                         for (var i = 0; i < neighbor_ids.length; i++) {
 275                                 if (!cache_check(neighbor_ids[i])) {
 276                                         cids_to_request.push(neighbor_ids[i]);
 277                                 }
 278                         }
 279
 280                         debug("additional ids: " + cids_to_request.toString());
 281
 282                         /* additional info for piggyback counters */
 283
 284                         if (tagsAreDisplayed()) {
 285                                 query = query + "&omode=lt";
 286                         } else {
 287                                 query = query + "&omode=flc";
 288                         }
 289
 290                         var date = new Date();
 291                         var timestamp = Math.round(date.getTime() / 1000);
 292                         query = query + "&ts=" + timestamp;
 293
 294                         query = query + "&cids=" + cids_to_request.toString();
 295
 296                         if (!cached_article) {
 297
 298                                 notify_progress("Loading, please wait...");
 299
 300                                 debug(query);
 301
 302                                 xmlhttp.open("GET", query, true);
 303                                 xmlhttp.onreadystatechange=article_callback;
 304                                 xmlhttp.send(null);
 305                         } else if (cached_article && article_is_unread) {
 306
 307                                 query = query + "&mode=prefetch";
 308
 309                                 debug(query);
 310
 311                                 xmlhttp.open("GET", query, true);
 312                                 xmlhttp.onreadystatechange=article_callback;
 313                                 xmlhttp.send(null);
 314
 315                                 render_article(cached_article);
 316
 317                         } else if (cached_article) {
 318
 319                                 query = query + "&mode=prefetch_old";
 320
 321                                 debug(query);
 322
 323                                 xmlhttp.open("GET", query, true);
 324                                 xmlhttp.onreadystatechange=article_callback;
 325                                 xmlhttp.send(null);
 326
 327                                 render_article(cached_article);
 328
 329                         }
 330
 331                         cache_expire();
 332
 333                 } else {
 334                         debug("xmlhttp busy (@view)");
 335                         printLockingError();
 336                 }
 337
 338         } catch (e) {
 339                 exception_error("view", e);
 340         }
 341 }
 342
 343 function tMark(id) {
 344         return toggleMark(id);
 345 }
 346
 347 function tPub(id) {
 348         return togglePub(id);
 349 }
 350
 351 function tMark_afh_off(effect) {
 352         try {
 353                 var elem = effect.effects[0].element;
 354
 355                 debug("tMark_afh_off : " + elem.id);
 356
 357                 if (elem) {
 358                         elem.src = elem.src.replace("mark_set", "mark_unset");
 359                         elem.alt = __("Star article");
 360                         Element.show(elem);
 361                 }
 362
 363         } catch (e) {
 364                 exception_error("tMark_afh_off", e);
 365         }
 366 }
 367
 368 function tPub_afh_off(effect) {
 369         try {
 370                 var elem = effect.effects[0].element;
 371
 372                 debug("tPub_afh_off : " + elem.id);
 373
 374                 if (elem) {
 375                         elem.src = elem.src.replace("pub_set", "pub_unset");
 376                         elem.alt = __("Publish article");
 377                         Element.show(elem);
 378                 }
 379
 380         } catch (e) {
 381                 exception_error("tPub_afh_off", e);
 382         }
 383 }
 384
 385 function toggleMark(id, client_only, no_effects) {
 386
 387         try {
 388
 389                 var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 390
 391                 query = query + "&afid=" + getActiveFeedId();
 392
 393                 if (tagsAreDisplayed()) {
 394                         query = query + "&omode=tl";
 395                 } else {
 396                         query = query + "&omode=flc";
 397                 }
 398
 399                 var mark_img = document.getElementById("FMPIC-" + id);
 400                 var vfeedu = document.getElementById("FEEDU--1");
 401                 var crow = document.getElementById("RROW-" + id);
 402
 403                 if (mark_img.src.match("mark_unset")) {
 404                         mark_img.src = mark_img.src.replace("mark_unset", "mark_set");
 405                         mark_img.alt = __("Unstar article");
 406                         query = query + "&mark=1";
 407
 408 /*                      if (vfeedu && crow.className.match("Unread")) {
 409                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 410                         } */
 411
 412                 } else {
 413                         //mark_img.src = "images/mark_unset.png";
 414                         mark_img.alt = __("Please wait...");
 415                         query = query + "&mark=0";
 416
 417 /*                      if (vfeedu && crow.className.match("Unread")) {
 418                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 419                         } */
 420
 421                         if (document.getElementById("headlinesList") && !no_effects) {
 422                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 423                         } else {
 424                                 mark_img.src = mark_img.src.replace("mark_set", "mark_unset");
 425                                 mark_img.alt = __("Star article");
 426                         }
 427                 }
 428
 429 /*              var vfeedctr = document.getElementById("FEEDCTR--1");
 430                 var vfeedr = document.getElementById("FEEDR--1");
 431
 432                 if (vfeedu && vfeedctr) {
 433                         if ((+vfeedu.innerHTML) > 0) {
 434                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 435                                         vfeedr.className = vfeedr.className + "Unread";
 436                                         vfeedctr.className = "odd";
 437                                 }
 438                         } else {
 439                                 vfeedctr.className = "invisible";
 440                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 441                         }
 442                 }
 443
 444                 debug("toggle starred for aid " + id);
 445
 446                 //new Ajax.Request(query); */
 447
 448                 if (!client_only) {
 449                         debug(query);
 450
 451                         new Ajax.Request(query, {
 452                                 onComplete: function(transport) {
 453                                         all_counters_callback2(transport);
 454                                 } });
 455
 456                 }
 457
 458         } catch (e) {
 459                 exception_error("toggleMark", e);
 460         }
 461 }
 462
 463 function togglePub(id, client_only, no_effects) {
 464
 465         try {
 466
 467                 var query = "backend.php?op=rpc&id=" + id + "&subop=publ";
 468
 469                 query = query + "&afid=" + getActiveFeedId();
 470
 471                 if (tagsAreDisplayed()) {
 472                         query = query + "&omode=tl";
 473                 } else {
 474                         query = query + "&omode=flc";
 475                 }
 476
 477                 var mark_img = document.getElementById("FPPIC-" + id);
 478                 var vfeedu = document.getElementById("FEEDU--2");
 479                 var crow = document.getElementById("RROW-" + id);
 480
 481                 if (mark_img.src.match("pub_unset")) {
 482                         mark_img.src = mark_img.src.replace("pub_unset", "pub_set");
 483                         mark_img.alt = __("Unpublish article");
 484                         query = query + "&pub=1";
 485
 486 /*                      if (vfeedu && crow.className.match("Unread")) {
 487                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 488                         } */
 489
 490                 } else {
 491                         //mark_img.src = "images/pub_unset.png";
 492                         mark_img.alt = __("Please wait...");
 493                         query = query + "&pub=0";
 494
 495 /*                      if (vfeedu && crow.className.match("Unread")) {
 496                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 497                         } */
 498
 499                         if (document.getElementById("headlinesList") && !no_effects) {
 500                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 501                         } else {
 502                                 mark_img.src = mark_img.src.replace("pub_set", "pub_unset");
 503                                 mark_img.alt = __("Publish article");
 504                         }
 505                 }
 506
 507 /*              var vfeedctr = document.getElementById("FEEDCTR--2");
 508                 var vfeedr = document.getElementById("FEEDR--2");
 509
 510                 if (vfeedu && vfeedctr) {
 511                         if ((+vfeedu.innerHTML) > 0) {
 512                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 513                                         vfeedr.className = vfeedr.className + "Unread";
 514                                         vfeedctr.className = "odd";
 515                                 }
 516                         } else {
 517                                 vfeedctr.className = "invisible";
 518                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 519                         }
 520                 }
 521
 522                 debug("toggle published for aid " + id);
 523
 524                 new Ajax.Request(query); */
 525
 526                 if (!client_only) {
 527                         new Ajax.Request(query, {
 528                                 onComplete: function(transport) {
 529                                         all_counters_callback2(transport);
 530                                 } });
 531                 }
 532
 533         } catch (e) {
 534
 535                 exception_error("togglePub", e);
 536         }
 537 }
 538
 539 function correctHeadlinesOffset(id) {
 540
 541         try {
 542
 543                 var hlist = document.getElementById("headlinesList");
 544                 var container = document.getElementById("headlinesInnerContainer");
 545                 var row = document.getElementById("RROW-" + id);
 546
 547                 var viewport = container.offsetHeight;
 548
 549                 var rel_offset_top = row.offsetTop - container.scrollTop;
 550                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 551
 552                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 553                 debug("Vport: " + viewport);
 554
 555                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 556                         container.scrollTop = row.offsetTop;
 557                 } else if (rel_offset_bottom > viewport) {
 558
 559                         /* doesn't properly work with Opera in some cases because
 560                                 Opera fucks up element scrolling */
 561
 562                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 563                 }
 564
 565         } catch (e) {
 566                 exception_error("correctHeadlinesOffset", e);
 567         }
 568
 569 }
 570
 571 function moveToPost(mode) {
 572
 573         // check for combined mode
 574         if (!document.getElementById("headlinesList"))
 575                 return;
 576
 577         var rows = getVisibleHeadlineIds();
 578
 579         var prev_id = false;
 580         var next_id = false;
 581
 582         if (!document.getElementById('RROW-' + active_post_id)) {
 583                 active_post_id = false;
 584         }
 585
 586         if (active_post_id == false) {
 587                 next_id = getFirstVisibleHeadlineId();
 588                 prev_id = getLastVisibleHeadlineId();
 589         } else {
 590                 for (var i = 0; i < rows.length; i++) {
 591                         if (rows[i] == active_post_id) {
 592                                 prev_id = rows[i-1];
 593                                 next_id = rows[i+1];
 594                         }
 595                 }
 596         }
 597
 598         if (mode == "next") {
 599                 if (next_id) {
 600                         correctHeadlinesOffset(next_id);
 601                         view(next_id, getActiveFeedId());
 602                 }
 603         }
 604
 605         if (mode == "prev") {
 606                 if (prev_id) {
 607                         correctHeadlinesOffset(prev_id);
 608                         view(prev_id, getActiveFeedId());
 609                 }
 610         }
 611 }
 612
 613 function toggleUnread(id, cmode) {
 614         try {
 615
 616                 var row = document.getElementById("RROW-" + id);
 617                 if (row) {
 618                         var nc = row.className;
 619                         nc = nc.replace("Unread", "");
 620                         nc = nc.replace("Selected", "");
 621
 622                         if (row.className.match("Unread")) {
 623                                 row.className = nc;
 624                         } else {
 625                                 row.className = nc + "Unread";
 626                         }
 627
 628                         if (!cmode) cmode = 2;
 629
 630                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 631                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 632
 633 //                      notify_progress("Loading, please wait...");
 634
 635                         new Ajax.Request(query, {
 636                                 onComplete: function(transport) {
 637                                         all_counters_callback2(transport);
 638                                 } });
 639
 640                 }
 641
 642
 643         } catch (e) {
 644                 exception_error("toggleUnread", e);
 645         }
 646 }
 647
 648 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
 649         try {
 650 /*              if (!xmlhttp_ready(xmlhttp_rpc)) {
 651                         printLockingError();
 652                         return;
 653                 } */
 654
 655                 var rows;
 656
 657                 if (cdm_mode) {
 658                         rows = cdmGetSelectedArticles();
 659                 } else {
 660                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 661                 }
 662
 663                 if (rows.length == 0 && !no_error) {
 664                         alert(__("No articles are selected."));
 665                         return;
 666                 }
 667
 668                 for (i = 0; i < rows.length; i++) {
 669                         var row = document.getElementById("RROW-" + rows[i]);
 670                         if (row) {
 671                                 var nc = row.className;
 672                                 nc = nc.replace("Unread", "");
 673                                 nc = nc.replace("Selected", "");
 674
 675                                 if (set_state == undefined) {
 676                                         if (row.className.match("Unread")) {
 677                                                 row.className = nc + "Selected";
 678                                         } else {
 679                                                 row.className = nc + "UnreadSelected";
 680                                         }
 681                                 }
 682
 683                                 if (set_state == false) {
 684                                         row.className = nc + "Selected";
 685                                 }
 686
 687                                 if (set_state == true) {
 688                                         row.className = nc + "UnreadSelected";
 689                                 }
 690                         }
 691                 }
 692
 693                 if (rows.length > 0) {
 694
 695                         var cmode = "";
 696
 697                         if (set_state == undefined) {
 698                                 cmode = "2";
 699                         } else if (set_state == true) {
 700                                 cmode = "1";
 701                         } else if (set_state == false) {
 702                                 cmode = "0";
 703                         }
 704
 705                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 706                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 707
 708 //                      _catchup_callback_func = callback_func;
 709
 710                         debug(callback_func);
 711
 712                         notify_progress("Loading, please wait...");
 713
 714 /*                      xmlhttp_rpc.open("GET", query, true);
 715                         xmlhttp_rpc.onreadystatechange=catchup_callback;
 716                         xmlhttp_rpc.send(null); */
 717
 718                         new Ajax.Request(query, {
 719                                 onComplete: function(transport) {
 720                                         catchup_callback2(transport, callback_func);
 721                                 } });
 722
 723                 }
 724
 725         } catch (e) {
 726                 exception_error("selectionToggleUnread", e);
 727         }
 728 }
 729
 730 function selectionToggleMarked(cdm_mode) {
 731         try {
 732
 733                 var rows;
 734
 735                 if (cdm_mode) {
 736                         rows = cdmGetSelectedArticles();
 737                 } else {
 738                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 739                 }
 740
 741                 if (rows.length == 0) {
 742                         alert(__("No articles are selected."));
 743                         return;
 744                 }
 745
 746                 for (i = 0; i < rows.length; i++) {
 747                         toggleMark(rows[i], true, true);
 748                 }
 749
 750                 if (rows.length > 0) {
 751
 752                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 753                                 param_escape(rows.toString()) + "&cmode=2";
 754
 755                         query = query + "&afid=" + getActiveFeedId();
 756
 757 /*                      if (tagsAreDisplayed()) {
 758                                 query = query + "&omode=tl";
 759                         } else {
 760                                 query = query + "&omode=flc";
 761                         } */
 762
 763                         query = query + "&omode=lc";
 764
 765                         new Ajax.Request(query, {
 766                                 onComplete: function(transport) {
 767                                         all_counters_callback2(transport);
 768                                 } });
 769
 770                 }
 771
 772         } catch (e) {
 773                 exception_error("selectionToggleMarked", e);
 774         }
 775 }
 776
 777 function selectionTogglePublished(cdm_mode) {
 778         try {
 779
 780                 var rows;
 781
 782                 if (cdm_mode) {
 783                         rows = cdmGetSelectedArticles();
 784                 } else {
 785                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 786                 }
 787
 788                 if (rows.length == 0) {
 789                         alert(__("No articles are selected."));
 790                         return;
 791                 }
 792
 793                 for (i = 0; i < rows.length; i++) {
 794                         togglePub(rows[i], true, true);
 795                 }
 796
 797                 if (rows.length > 0) {
 798
 799                         var query = "backend.php?op=rpc&subop=publishSelected&ids=" +
 800                                 param_escape(rows.toString()) + "&cmode=2";
 801
 802                         query = query + "&afid=" + getActiveFeedId();
 803
 804 /*                      if (tagsAreDisplayed()) {
 805                                 query = query + "&omode=tl";
 806                         } else {
 807                                 query = query + "&omode=flc";
 808                         } */
 809
 810                         query = query + "&omode=lc";
 811
 812                         new Ajax.Request(query, {
 813                                 onComplete: function(transport) {
 814                                         all_counters_callback2(transport);
 815                                 } });
 816
 817                 }
 818
 819         } catch (e) {
 820                 exception_error("selectionToggleMarked", e);
 821         }
 822 }
 823
 824 function cdmGetSelectedArticles() {
 825         var sel_articles = new Array();
 826         var container = document.getElementById("headlinesInnerContainer");
 827
 828         for (i = 0; i < container.childNodes.length; i++) {
 829                 var child = container.childNodes[i];
 830
 831                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 832                         var c_id = child.id.replace("RROW-", "");
 833                         sel_articles.push(c_id);
 834                 }
 835         }
 836
 837         return sel_articles;
 838 }
 839
 840 function cdmGetVisibleArticles() {
 841         var sel_articles = new Array();
 842         var container = document.getElementById("headlinesInnerContainer");
 843
 844         for (i = 0; i < container.childNodes.length; i++) {
 845                 var child = container.childNodes[i];
 846
 847                 if (child.id.match("RROW-")) {
 848                         var c_id = child.id.replace("RROW-", "");
 849                         sel_articles.push(c_id);
 850                 }
 851         }
 852
 853         return sel_articles;
 854 }
 855
 856 function cdmGetUnreadArticles() {
 857         var sel_articles = new Array();
 858         var container = document.getElementById("headlinesInnerContainer");
 859
 860         for (i = 0; i < container.childNodes.length; i++) {
 861                 var child = container.childNodes[i];
 862
 863                 if (child.id.match("RROW-") && child.className.match("Unread")) {
 864                         var c_id = child.id.replace("RROW-", "");
 865                         sel_articles.push(c_id);
 866                 }
 867         }
 868
 869         return sel_articles;
 870 }
 871
 872
 873 // mode = all,none,unread
 874 function cdmSelectArticles(mode) {
 875         var container = document.getElementById("headlinesInnerContainer");
 876
 877         for (i = 0; i < container.childNodes.length; i++) {
 878                 var child = container.childNodes[i];
 879
 880                 if (child.id.match("RROW-")) {
 881                         var aid = child.id.replace("RROW-", "");
 882
 883                         var cb = document.getElementById("RCHK-" + aid);
 884
 885                         if (mode == "all") {
 886                                 if (!child.className.match("Selected")) {
 887                                         child.className = child.className + "Selected";
 888                                         cb.checked = true;
 889                                 }
 890                         } else if (mode == "unread") {
 891                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 892                                         child.className = child.className + "Selected";
 893                                         cb.checked = true;
 894                                 }
 895                         } else {
 896                                 child.className = child.className.replace("Selected", "");
 897                                 cb.checked = false;
 898                         }
 899                 }
 900         }
 901 }
 902
 903 function catchupPage() {
 904
 905         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 906
 907         var str = __("Mark all visible articles in %s as read?");
 908
 909         str = str.replace("%s", fn);
 910
 911         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 912                 return;
 913         }
 914
 915         if (document.getElementById("headlinesList")) {
 916                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 917                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 918                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 919         } else {
 920                 cdmSelectArticles('all');
 921                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 922                 cdmSelectArticles('none');
 923         }
 924 }
 925
 926 function catchupSelection() {
 927
 928         try {
 929
 930                 var rows;
 931
 932                 if (document.getElementById("headlinesList")) {
 933                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 934                 } else {
 935                         rows = cdmGetSelectedArticles();
 936                 }
 937
 938                 if (rows.length == 0) {
 939                         alert(__("No articles are selected."));
 940                         return;
 941                 }
 942
 943
 944                 var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 945
 946                 var str = __("Mark all selected articles in %s as read?");
 947
 948                 str = str.replace("%s", fn);
 949
 950                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 951                         return;
 952                 }
 953
 954                 if (document.getElementById("headlinesList")) {
 955                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 956         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 957                 } else {
 958                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 959         //              cdmSelectArticles('none');
 960                 }
 961
 962         } catch (e) {
 963                 exception_error("catchupSelection", e);
 964         }
 965 }
 966
 967
 968 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
 969
 970         if (!xmlhttp_ready(xmlhttp_rpc)) {
 971                 printLockingError();
 972         }
 973
 974         var title = prompt(__("Please enter label title:"), "");
 975
 976         if (title) {
 977
 978                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
 979                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
 980                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
 981                         "&title=" + param_escape(title);
 982
 983                 debug("LFS: " + query);
 984
 985                 xmlhttp_rpc.open("GET", query, true);
 986                 xmlhttp_rpc.onreadystatechange=dlg_frefresh_callback;
 987                 xmlhttp_rpc.send(null);
 988         }
 989
 990 }
 991
 992 function editArticleTags(id, feed_id, cdm_enabled) {
 993         _tag_active_post_id = id;
 994         _tag_active_feed_id = feed_id;
 995         _tag_active_cdm = cdm_enabled;
 996
 997         cache_invalidate(id);
 998
 999         try {
1000                 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
1001         } catch (e) { }
1002         displayDlg('editArticleTags', id);
1003 }
1004
1005
1006 function tag_saved_callback() {
1007         if (xmlhttp_rpc.readyState == 4) {
1008                 try {
1009                         debug("in tag_saved_callback");
1010
1011                         closeInfoBox();
1012                         notify("");
1013
1014                         if (tagsAreDisplayed()) {
1015                                 _reload_feedlist_after_view = true;
1016                         }
1017
1018                         if (!_tag_active_cdm) {
1019                                 if (active_post_id == _tag_active_post_id) {
1020                                         debug("reloading current article");
1021                                         view(_tag_active_post_id, _tag_active_feed_id);
1022                                 }
1023                         } else {
1024                                 debug("reloading current feed");
1025                                 viewCurrentFeed();
1026                         }
1027
1028                 } catch (e) {
1029                         exception_error("catchup_callback", e);
1030                 }
1031         }
1032 }
1033
1034 function editTagsSave() {
1035
1036         if (!xmlhttp_ready(xmlhttp_rpc)) {
1037                 printLockingError();
1038         }
1039
1040         notify_progress("Saving article tags...");
1041
1042         var form = document.forms["tag_edit_form"];
1043
1044         var query = Form.serialize("tag_edit_form");
1045
1046         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
1047
1048         debug(query);
1049
1050         xmlhttp_rpc.open("GET", query, true);
1051         xmlhttp_rpc.onreadystatechange=tag_saved_callback;
1052         xmlhttp_rpc.send(null);
1053
1054 }
1055
1056 function editTagsInsert() {
1057         try {
1058
1059                 var form = document.forms["tag_edit_form"];
1060
1061                 var found_tags = form.found_tags;
1062                 var tags_str = form.tags_str;
1063
1064                 var tag = found_tags[found_tags.selectedIndex].value;
1065
1066                 if (tags_str.value.length > 0 &&
1067                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1068
1069                         tags_str.value = tags_str.value + ", ";
1070                 }
1071
1072                 tags_str.value = tags_str.value + tag + ", ";
1073
1074                 found_tags.selectedIndex = 0;
1075
1076         } catch (e) {
1077                 exception_error(e, "editTagsInsert");
1078         }
1079 }
1080
1081 function cdmWatchdog() {
1082
1083         try {
1084
1085                 var ctr = document.getElementById("headlinesInnerContainer");
1086
1087                 if (!ctr) return;
1088
1089                 var ids = new Array();
1090
1091                 var e = ctr.firstChild;
1092
1093                 while (e) {
1094                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1095                                         e.id.match("RROW-")) {
1096
1097                                 // article fits in viewport OR article is longer than viewport and
1098                                 // its bottom is visible
1099
1100                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1101                                                 ctr.scrollTop + ctr.offsetHeight) {
1102
1103 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1104 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1105 //                                              (ctr.scrollTop + ctr.offsetHeight));
1106
1107                                         ids.push(e.id.replace("RROW-", ""));
1108
1109                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1110                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1111                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1112
1113                                         ids.push(e.id.replace("RROW-", ""));
1114
1115                                 }
1116
1117                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1118
1119 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1120                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1121
1122                                         ids.push(e.id.replace("RROW-", ""));
1123
1124                                 } */
1125
1126                         }
1127
1128                         e = e.nextSibling;
1129                 }
1130
1131                 debug("cdmWatchdog, ids= " + ids.toString());
1132
1133                 if (ids.length > 0) {
1134
1135                         for (var i = 0; i < ids.length; i++) {
1136                                 var e = document.getElementById("RROW-" + ids[i]);
1137                                 if (e) {
1138                                         e.className = e.className.replace("Unread", "");
1139                                 }
1140                         }
1141
1142                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1143                                 param_escape(ids.toString()) + "&cmode=0";
1144
1145                         new Ajax.Request(query, {
1146                                 onComplete: function(transport) {
1147                                         all_counters_callback2(transport);
1148                                 } });
1149
1150                 }
1151
1152                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1153
1154         } catch (e) {
1155                 exception_error(e, "cdmWatchdog");
1156         }
1157
1158 }
1159
1160
1161 function cache_inject(id, article) {
1162         if (!cache_check(id)) {
1163                 debug("cache_article: miss: " + id);
1164
1165                 var cache_obj = new Array();
1166
1167                 cache_obj["id"] = id;
1168                 cache_obj["data"] = article;
1169
1170                 article_cache.push(cache_obj);
1171
1172         } else {
1173                 debug("cache_article: hit: " + id);
1174         }
1175 }
1176
1177 function cache_find(id) {
1178         for (var i = 0; i < article_cache.length; i++) {
1179                 if (article_cache[i]["id"] == id) {
1180                         return article_cache[i]["data"];
1181                 }
1182         }
1183         return false;
1184 }
1185
1186 function cache_check(id) {
1187         for (var i = 0; i < article_cache.length; i++) {
1188                 if (article_cache[i]["id"] == id) {
1189                         return true;
1190                 }
1191         }
1192         return false;
1193 }
1194
1195 function cache_expire() {
1196         while (article_cache.length > 20) {
1197                 article_cache.shift();
1198         }
1199 }
1200
1201 function cache_invalidate(id) {
1202         var i = 0
1203
1204         try {
1205
1206                 while (i < article_cache.length) {
1207                         if (article_cache[i]["id"] == id) {
1208                                 debug("cache_invalidate: removed id " + id);
1209                                 article_cache.splice(i, 1);
1210                                 return true;
1211                         }
1212                         i++;
1213                 }
1214                 debug("cache_invalidate: id not found: " + id);
1215                 return false;
1216         } catch (e) {
1217                 exception_error("cache_invalidate", e);
1218         }
1219 }
1220
1221 function getActiveArticleId() {
1222         return active_post_id;
1223 }
1224
1225 function cdmMouseIn(elem) {
1226         try {
1227                 if (elem.id && elem.id.match("RROW-")) {
1228                         var id = elem.id.replace("RROW-", "");
1229                         active_post_id = id;
1230                 }
1231         } catch (e) {
1232                 exception_error("cdmMouseIn", e);
1233         }
1234
1235 }
1236
1237 function cdmMouseOut(elem) {
1238         active_post_id = false;
1239 }
1240
1241 function headlines_scroll_handler() {
1242         try {
1243
1244                 var e = document.getElementById("headlinesInnerContainer");
1245
1246                 if (e.scrollTop + e.offsetHeight > e.scrollHeight - 300) {
1247                         debug("more cowbell!");
1248
1249                         viewNextFeedPage();
1250                 }
1251
1252         } catch (e) {
1253                 exception_error("headlines_scroll_handler", e);
1254         }
1255 }
1256
1257 function catchupRelativeToArticle(below) {
1258
1259         try {
1260
1261                 if (!xmlhttp_ready(xmlhttp_rpc)) {
1262                         printLockingError();
1263                 }
1264
1265                 if (!getActiveArticleId()) {
1266                         alert(__("No article is selected."));
1267                         return;
1268                 }
1269
1270                 var visible_ids;
1271
1272                 if (document.getElementById("headlinesList")) {
1273                         visible_ids = getVisibleHeadlineIds();
1274                 } else {
1275                         visible_ids = cdmGetVisibleArticles();
1276                 }
1277
1278                 var ids_to_mark = new Array();
1279
1280                 if (!below) {
1281                         for (var i = 0; i < visible_ids.length; i++) {
1282                                 if (visible_ids[i] != getActiveArticleId()) {
1283                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1284
1285                                         if (e && e.className.match("Unread")) {
1286                                                 ids_to_mark.push(visible_ids[i]);
1287                                         }
1288                                 } else {
1289                                         break;
1290                                 }
1291                         }
1292                 } else {
1293                         for (var i = visible_ids.length-1; i >= 0; i--) {
1294                                 if (visible_ids[i] != getActiveArticleId()) {
1295                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1296
1297                                         if (e && e.className.match("Unread")) {
1298                                                 ids_to_mark.push(visible_ids[i]);
1299                                         }
1300                                 } else {
1301                                         break;
1302                                 }
1303                         }
1304                 }
1305
1306                 if (ids_to_mark.length == 0) {
1307                         alert(__("No articles found to mark"));
1308                 } else {
1309                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1310
1311                         if (confirm(msg)) {
1312
1313                                 for (var i = 0; i < ids_to_mark.length; i++) {
1314                                         var e = document.getElementById("RROW-" + ids_to_mark[i]);
1315                                         e.className = e.className.replace("Unread", "");
1316                                 }
1317
1318                                 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1319                                         param_escape(ids_to_mark.toString()) + "&cmode=0";
1320
1321                                 xmlhttp_rpc.open("GET", query, true);
1322                                 xmlhttp_rpc.onreadystatechange=catchup_callback;
1323                                 xmlhttp_rpc.send(null);
1324
1325                         }
1326                 }
1327
1328         } catch (e) {
1329                 exception_error("catchupRelativeToArticle", e);
1330         }
1331 }