viewfeed.js

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