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 = "images/mark_unset.png";
 349                         elem.alt = "Set mark";
 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 = "images/pub_unset.png";
 366                         elem.alt = "Publish";
 367                         Element.show(elem);
 368                 }
 369
 370         } catch (e) {
 371                 exception_error("tPub_afh_off", e);
 372         }
 373 }
 374
 375 function toggleMark(id) {
 376
 377         if (!xmlhttp_ready(xmlhttp_rpc)) {
 378                 printLockingError();
 379                 return;
 380         }
 381
 382         var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 383
 384         query = query + "&afid=" + getActiveFeedId();
 385
 386         if (tagsAreDisplayed()) {
 387                 query = query + "&omode=tl";
 388         } else {
 389                 query = query + "&omode=flc";
 390         }
 391
 392         var mark_img = document.getElementById("FMPIC-" + id);
 393         var vfeedu = document.getElementById("FEEDU--1");
 394         var crow = document.getElementById("RROW-" + id);
 395
 396         if (mark_img.alt != "Reset mark") {
 397                 mark_img.src = "images/mark_set.png";
 398                 mark_img.alt = "Reset mark";
 399                 query = query + "&mark=1";
 400
 401                 if (vfeedu && crow.className.match("Unread")) {
 402                         vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 403                 }
 404
 405         } else {
 406                 //mark_img.src = "images/mark_unset.png";
 407                 mark_img.alt = "Please wait...";
 408                 query = query + "&mark=0";
 409
 410                 if (vfeedu && crow.className.match("Unread")) {
 411                         vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 412                 }
 413
 414                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 415
 416         }
 417
 418         var vfeedctr = document.getElementById("FEEDCTR--1");
 419         var vfeedr = document.getElementById("FEEDR--1");
 420
 421         if (vfeedu && vfeedctr) {
 422                 if ((+vfeedu.innerHTML) > 0) {
 423                         if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 424                                 vfeedr.className = vfeedr.className + "Unread";
 425                                 vfeedctr.className = "odd";
 426                         }
 427                 } else {
 428                         vfeedctr.className = "invisible";
 429                         vfeedr.className = vfeedr.className.replace("Unread", "");
 430                 }
 431         }
 432
 433         debug("toggle starred for aid " + id);
 434
 435         new Ajax.Request(query);
 436
 437 }
 438
 439 function togglePub(id) {
 440
 441         try {
 442
 443                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 444                         printLockingError();
 445                         return;
 446                 }
 447
 448                 var query = "backend.php?op=rpc&id=" + id + "&subop=publ";
 449
 450                 query = query + "&afid=" + getActiveFeedId();
 451
 452                 if (tagsAreDisplayed()) {
 453                         query = query + "&omode=tl";
 454                 } else {
 455                         query = query + "&omode=flc";
 456                 }
 457
 458                 var mark_img = document.getElementById("FPPIC-" + id);
 459                 var vfeedu = document.getElementById("FEEDU--2");
 460                 var crow = document.getElementById("RROW-" + id);
 461
 462                 if (mark_img.alt != "Unpublish") {
 463                         mark_img.src = "images/pub_set.png";
 464                         mark_img.alt = "Unpublish";
 465                         query = query + "&pub=1";
 466
 467                         if (vfeedu && crow.className.match("Unread")) {
 468                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 469                         }
 470
 471                 } else {
 472                         //mark_img.src = "images/pub_unset.png";
 473                         mark_img.alt = "Please wait...";
 474                         query = query + "&pub=0";
 475
 476                         if (vfeedu && crow.className.match("Unread")) {
 477                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 478                         }
 479
 480                         Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 481
 482                 }
 483
 484                 var vfeedctr = document.getElementById("FEEDCTR--2");
 485                 var vfeedr = document.getElementById("FEEDR--2");
 486
 487                 if (vfeedu && vfeedctr) {
 488                         if ((+vfeedu.innerHTML) > 0) {
 489                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 490                                         vfeedr.className = vfeedr.className + "Unread";
 491                                         vfeedctr.className = "odd";
 492                                 }
 493                         } else {
 494                                 vfeedctr.className = "invisible";
 495                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 496                         }
 497                 }
 498
 499                 debug("toggle published for aid " + id);
 500
 501                 new Ajax.Request(query);
 502         } catch (e) {
 503
 504                 exception_error("togglePub", e);
 505         }
 506 }
 507
 508 function correctHeadlinesOffset(id) {
 509
 510         try {
 511
 512                 var hlist = document.getElementById("headlinesList");
 513                 var container = document.getElementById("headlinesInnerContainer");
 514                 var row = document.getElementById("RROW-" + id);
 515
 516                 var viewport = container.offsetHeight;
 517
 518                 var rel_offset_top = row.offsetTop - container.scrollTop;
 519                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 520
 521                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 522                 debug("Vport: " + viewport);
 523
 524                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 525                         container.scrollTop = row.offsetTop;
 526                 } else if (rel_offset_bottom > viewport) {
 527
 528                         /* doesn't properly work with Opera in some cases because
 529                                 Opera fucks up element scrolling */
 530
 531                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 532                 }
 533
 534         } catch (e) {
 535                 exception_error("correctHeadlinesOffset", e);
 536         }
 537
 538 }
 539
 540 function moveToPost(mode) {
 541
 542         // check for combined mode
 543         if (!document.getElementById("headlinesList"))
 544                 return;
 545
 546         var rows = getVisibleHeadlineIds();
 547
 548         var prev_id = false;
 549         var next_id = false;
 550
 551         if (!document.getElementById('RROW-' + active_post_id)) {
 552                 active_post_id = false;
 553         }
 554
 555         if (active_post_id == false) {
 556                 next_id = getFirstVisibleHeadlineId();
 557                 prev_id = getLastVisibleHeadlineId();
 558         } else {
 559                 for (var i = 0; i < rows.length; i++) {
 560                         if (rows[i] == active_post_id) {
 561                                 prev_id = rows[i-1];
 562                                 next_id = rows[i+1];
 563                         }
 564                 }
 565         }
 566
 567         if (mode == "next") {
 568                 if (next_id) {
 569                         correctHeadlinesOffset(next_id);
 570                         view(next_id, getActiveFeedId());
 571                 }
 572         }
 573
 574         if (mode == "prev") {
 575                 if (prev_id) {
 576                         correctHeadlinesOffset(prev_id);
 577                         view(prev_id, getActiveFeedId());
 578                 }
 579         }
 580 }
 581
 582 function toggleUnread(id, cmode) {
 583         try {
 584                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 585                         printLockingError();
 586                         return;
 587                 }
 588
 589                 var row = document.getElementById("RROW-" + id);
 590                 if (row) {
 591                         var nc = row.className;
 592                         nc = nc.replace("Unread", "");
 593                         nc = nc.replace("Selected", "");
 594
 595                         if (row.className.match("Unread")) {
 596                                 row.className = nc;
 597                         } else {
 598                                 row.className = nc + "Unread";
 599                         }
 600
 601                         if (!cmode) cmode = 2;
 602
 603                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 604                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 605
 606                         notify_progress("Loading, please wait...");
 607
 608                         xmlhttp_rpc.open("GET", query, true);
 609                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 610                         xmlhttp_rpc.send(null);
 611
 612                 }
 613
 614
 615         } catch (e) {
 616                 exception_error("toggleUnread", e);
 617         }
 618 }
 619
 620 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
 621         try {
 622                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 623                         printLockingError();
 624                         return;
 625                 }
 626
 627                 var rows;
 628
 629                 if (cdm_mode) {
 630                         rows = cdmGetSelectedArticles();
 631                 } else {
 632                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 633                 }
 634
 635                 if (rows.length == 0 && !no_error) {
 636                         alert(__("No articles are selected."));
 637                         return;
 638                 }
 639
 640                 for (i = 0; i < rows.length; i++) {
 641                         var row = document.getElementById("RROW-" + rows[i]);
 642                         if (row) {
 643                                 var nc = row.className;
 644                                 nc = nc.replace("Unread", "");
 645                                 nc = nc.replace("Selected", "");
 646
 647                                 if (set_state == undefined) {
 648                                         if (row.className.match("Unread")) {
 649                                                 row.className = nc + "Selected";
 650                                         } else {
 651                                                 row.className = nc + "UnreadSelected";
 652                                         }
 653                                 }
 654
 655                                 if (set_state == false) {
 656                                         row.className = nc + "Selected";
 657                                 }
 658
 659                                 if (set_state == true) {
 660                                         row.className = nc + "UnreadSelected";
 661                                 }
 662                         }
 663                 }
 664
 665                 if (rows.length > 0) {
 666
 667                         var cmode = "";
 668
 669                         if (set_state == undefined) {
 670                                 cmode = "2";
 671                         } else if (set_state == true) {
 672                                 cmode = "1";
 673                         } else if (set_state == false) {
 674                                 cmode = "0";
 675                         }
 676
 677                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 678                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 679
 680                         _catchup_callback_func = callback_func;
 681
 682                         notify_progress("Loading, please wait...");
 683
 684                         xmlhttp_rpc.open("GET", query, true);
 685                         xmlhttp_rpc.onreadystatechange=catchup_callback;
 686                         xmlhttp_rpc.send(null);
 687
 688                 }
 689
 690         } catch (e) {
 691                 exception_error("selectionToggleUnread", e);
 692         }
 693 }
 694
 695 function selectionToggleMarked(cdm_mode) {
 696         try {
 697                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 698                         printLockingError();
 699                         return;
 700                 }
 701
 702                 var rows;
 703
 704                 if (cdm_mode) {
 705                         rows = cdmGetSelectedArticles();
 706                 } else {
 707                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 708                 }
 709
 710                 if (rows.length == 0) {
 711                         alert(__("No articles are selected."));
 712                         return;
 713                 }
 714
 715                 for (i = 0; i < rows.length; i++) {
 716                         var row = document.getElementById("RROW-" + rows[i]);
 717                         var mark_img = document.getElementById("FMPIC-" + rows[i]);
 718
 719                         if (row && mark_img) {
 720
 721                                 if (mark_img.alt == "Set mark") {
 722                                         mark_img.src = "images/mark_set.png";
 723                                         mark_img.alt = "Reset mark";
 724                                         //mark_img.setAttribute('onclick',
 725                                         //      'javascript:toggleMark('+rows[i]+', false)');
 726
 727                                 } else {
 728                                         mark_img.src = "images/mark_unset.png";
 729                                         mark_img.alt = "Set mark";
 730
 731                                         //mark_img.alt = "Please wait...";
 732
 733                                         //mark_img.setAttribute('onclick',
 734                                         //      'javascript:toggleMark('+rows[i]+', true)');
 735
 736                                         //Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 737
 738                                 }
 739                         }
 740                 }
 741
 742                 if (rows.length > 0) {
 743
 744                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 745                                 param_escape(rows.toString()) + "&cmode=2";
 746
 747                         query = query + "&afid=" + getActiveFeedId();
 748
 749                         if (tagsAreDisplayed()) {
 750                                 query = query + "&omode=tl";
 751                         } else {
 752                                 query = query + "&omode=flc";
 753                         }
 754
 755                         xmlhttp_rpc.open("GET", query, true);
 756                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 757                         xmlhttp_rpc.send(null);
 758
 759                 }
 760
 761         } catch (e) {
 762                 exception_error("selectionToggleMarked", e);
 763         }
 764 }
 765
 766 function selectionTogglePublished(cdm_mode) {
 767         try {
 768                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 769                         printLockingError();
 770                         return;
 771                 }
 772
 773                 var rows;
 774
 775                 if (cdm_mode) {
 776                         rows = cdmGetSelectedArticles();
 777                 } else {
 778                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 779                 }
 780
 781                 if (rows.length == 0) {
 782                         alert(__("No articles are selected."));
 783                         return;
 784                 }
 785
 786                 for (i = 0; i < rows.length; i++) {
 787                         var row = document.getElementById("RROW-" + rows[i]);
 788                         var mark_img = document.getElementById("FPPIC-" + rows[i]);
 789
 790                         if (row && mark_img) {
 791
 792                                 if (mark_img.alt == "Publish") {
 793                                         mark_img.src = "images/pub_set.png";
 794                                         mark_img.alt = "Unpublish";
 795 //                                      mark_img.setAttribute('onclick',
 796 //                                              'javascript:togglePub('+rows[i]+', false)');
 797
 798                                 } else {
 799                                         mark_img.src = "images/pub_unset.png";
 800                                         mark_img.alt = "Publish";
 801 //                                      mark_img.setAttribute('onclick',
 802 //                                              'javascript:togglePub('+rows[i]+', true)');
 803
 804 //                                      Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 805
 806                                 }
 807                         }
 808                 }
 809
 810                 if (rows.length > 0) {
 811
 812                         var query = "backend.php?op=rpc&subop=publishSelected&ids=" +
 813                                 param_escape(rows.toString()) + "&cmode=2";
 814
 815                         query = query + "&afid=" + getActiveFeedId();
 816
 817                         if (tagsAreDisplayed()) {
 818                                 query = query + "&omode=tl";
 819                         } else {
 820                                 query = query + "&omode=flc";
 821                         }
 822
 823                         xmlhttp_rpc.open("GET", query, true);
 824                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 825                         xmlhttp_rpc.send(null);
 826
 827                 }
 828
 829         } catch (e) {
 830                 exception_error("selectionToggleMarked", e);
 831         }
 832 }
 833
 834 function cdmGetSelectedArticles() {
 835         var sel_articles = new Array();
 836         var container = document.getElementById("headlinesInnerContainer");
 837
 838         for (i = 0; i < container.childNodes.length; i++) {
 839                 var child = container.childNodes[i];
 840
 841                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 842                         var c_id = child.id.replace("RROW-", "");
 843                         sel_articles.push(c_id);
 844                 }
 845         }
 846
 847         return sel_articles;
 848 }
 849
 850 // mode = all,none,unread
 851 function cdmSelectArticles(mode) {
 852         var container = document.getElementById("headlinesInnerContainer");
 853
 854         for (i = 0; i < container.childNodes.length; i++) {
 855                 var child = container.childNodes[i];
 856
 857                 if (child.id.match("RROW-")) {
 858                         var aid = child.id.replace("RROW-", "");
 859
 860                         var cb = document.getElementById("RCHK-" + aid);
 861
 862                         if (mode == "all") {
 863                                 if (!child.className.match("Selected")) {
 864                                         child.className = child.className + "Selected";
 865                                         cb.checked = true;
 866                                 }
 867                         } else if (mode == "unread") {
 868                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 869                                         child.className = child.className + "Selected";
 870                                         cb.checked = true;
 871                                 }
 872                         } else {
 873                                 child.className = child.className.replace("Selected", "");
 874                                 cb.checked = false;
 875                         }
 876                 }
 877         }
 878 }
 879
 880 function catchupPage() {
 881
 882         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 883
 884         var str = __("Mark all visible articles in %s as read?");
 885
 886         str = str.replace("%s", fn);
 887
 888         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 889                 return;
 890         }
 891
 892         if (document.getElementById("headlinesList")) {
 893                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 894                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 895                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 896         } else {
 897                 cdmSelectArticles('all');
 898                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 899                 cdmSelectArticles('none');
 900         }
 901 }
 902
 903 function catchupSelection() {
 904
 905         try {
 906
 907                 var rows;
 908
 909                 if (document.getElementById("headlinesList")) {
 910                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 911                 } else {
 912                         rows = cdmGetSelectedArticles();
 913                 }
 914
 915                 if (rows.length == 0) {
 916                         alert(__("No articles are selected."));
 917                         return;
 918                 }
 919
 920
 921                 var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 922
 923                 var str = __("Mark all selected articles in %s as read?");
 924
 925                 str = str.replace("%s", fn);
 926
 927                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 928                         return;
 929                 }
 930
 931                 if (document.getElementById("headlinesList")) {
 932                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 933         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 934                 } else {
 935                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 936         //              cdmSelectArticles('none');
 937                 }
 938
 939         } catch (e) {
 940                 exception_error("catchupSelection", e);
 941         }
 942 }
 943
 944
 945 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
 946
 947         if (!xmlhttp_ready(xmlhttp_rpc)) {
 948                 printLockingError();
 949         }
 950
 951         var title = prompt(__("Please enter label title:"), "");
 952
 953         if (title) {
 954
 955                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
 956                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
 957                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
 958                         "&title=" + param_escape(title);
 959
 960                 debug("LFS: " + query);
 961
 962                 xmlhttp_rpc.open("GET", query, true);
 963                 xmlhttp_rpc.onreadystatechange=dlg_frefresh_callback;
 964                 xmlhttp_rpc.send(null);
 965         }
 966
 967 }
 968
 969 function editArticleTags(id, feed_id, cdm_enabled) {
 970         _tag_active_post_id = id;
 971         _tag_active_feed_id = feed_id;
 972         _tag_active_cdm = cdm_enabled;
 973
 974         cache_invalidate(id);
 975
 976         try {
 977                 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
 978         } catch (e) { }
 979         displayDlg('editArticleTags', id);
 980 }
 981
 982
 983 function tag_saved_callback() {
 984         if (xmlhttp_rpc.readyState == 4) {
 985                 try {
 986                         debug("in tag_saved_callback");
 987
 988                         closeInfoBox();
 989                         notify("");
 990
 991                         if (tagsAreDisplayed()) {
 992                                 _reload_feedlist_after_view = true;
 993                         }
 994
 995                         if (!_tag_active_cdm) {
 996                                 if (active_post_id == _tag_active_post_id) {
 997                                         debug("reloading current article");
 998                                         view(_tag_active_post_id, _tag_active_feed_id);
 999                                 }
1000                         } else {
1001                                 debug("reloading current feed");
1002                                 viewCurrentFeed();
1003                         }
1004
1005                 } catch (e) {
1006                         exception_error("catchup_callback", e);
1007                 }
1008         }
1009 }
1010
1011 function editTagsSave() {
1012
1013         if (!xmlhttp_ready(xmlhttp_rpc)) {
1014                 printLockingError();
1015         }
1016
1017         notify_progress("Saving article tags...");
1018
1019         var form = document.forms["tag_edit_form"];
1020
1021         var query = Form.serialize("tag_edit_form");
1022
1023         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
1024
1025         debug(query);
1026
1027         xmlhttp_rpc.open("GET", query, true);
1028         xmlhttp_rpc.onreadystatechange=tag_saved_callback;
1029         xmlhttp_rpc.send(null);
1030
1031 }
1032
1033 function editTagsInsert() {
1034         try {
1035
1036                 var form = document.forms["tag_edit_form"];
1037
1038                 var found_tags = form.found_tags;
1039                 var tags_str = form.tags_str;
1040
1041                 var tag = found_tags[found_tags.selectedIndex].value;
1042
1043                 if (tags_str.value.length > 0 &&
1044                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1045
1046                         tags_str.value = tags_str.value + ", ";
1047                 }
1048
1049                 tags_str.value = tags_str.value + tag + ", ";
1050
1051                 found_tags.selectedIndex = 0;
1052
1053         } catch (e) {
1054                 exception_error(e, "editTagsInsert");
1055         }
1056 }
1057
1058 function cdmWatchdog() {
1059
1060         try {
1061
1062                 var ctr = document.getElementById("headlinesInnerContainer");
1063
1064                 if (!ctr) return;
1065
1066                 var ids = new Array();
1067
1068                 var e = ctr.firstChild;
1069
1070                 while (e) {
1071                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1072                                         e.id.match("RROW-")) {
1073
1074                                 // article fits in viewport OR article is longer than viewport and
1075                                 // its bottom is visible
1076
1077                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1078                                                 ctr.scrollTop + ctr.offsetHeight) {
1079
1080 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1081 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1082 //                                              (ctr.scrollTop + ctr.offsetHeight));
1083
1084                                         ids.push(e.id.replace("RROW-", ""));
1085
1086                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1087                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1088                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1089
1090                                         ids.push(e.id.replace("RROW-", ""));
1091
1092                                 }
1093
1094                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1095
1096 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1097                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1098
1099                                         ids.push(e.id.replace("RROW-", ""));
1100
1101                                 } */
1102
1103                         }
1104
1105                         e = e.nextSibling;
1106                 }
1107
1108                 debug("cdmWatchdog, ids= " + ids.toString());
1109
1110                 if (ids.length > 0 && xmlhttp_ready(xmlhttp_rpc)) {
1111
1112                         for (var i = 0; i < ids.length; i++) {
1113                                 var e = document.getElementById("RROW-" + ids[i]);
1114                                 if (e) {
1115                                         e.className = e.className.replace("Unread", "");
1116                                 }
1117                         }
1118
1119                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1120                                 param_escape(ids.toString()) + "&cmode=0";
1121
1122                         xmlhttp_rpc.open("GET", query, true);
1123                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
1124                         xmlhttp_rpc.send(null);
1125
1126                 }
1127
1128                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1129
1130         } catch (e) {
1131                 exception_error(e, "cdmWatchdog");
1132         }
1133
1134 }
1135
1136
1137 function cache_inject(id, article) {
1138         if (!cache_check(id)) {
1139                 debug("cache_article: miss: " + id);
1140
1141                 var cache_obj = new Array();
1142
1143                 cache_obj["id"] = id;
1144                 cache_obj["data"] = article;
1145
1146                 article_cache.push(cache_obj);
1147
1148         } else {
1149                 debug("cache_article: hit: " + id);
1150         }
1151 }
1152
1153 function cache_find(id) {
1154         for (var i = 0; i < article_cache.length; i++) {
1155                 if (article_cache[i]["id"] == id) {
1156                         return article_cache[i]["data"];
1157                 }
1158         }
1159         return false;
1160 }
1161
1162 function cache_check(id) {
1163         for (var i = 0; i < article_cache.length; i++) {
1164                 if (article_cache[i]["id"] == id) {
1165                         return true;
1166                 }
1167         }
1168         return false;
1169 }
1170
1171 function cache_expire() {
1172         while (article_cache.length > 20) {
1173                 article_cache.shift();
1174         }
1175 }
1176
1177 function cache_invalidate(id) {
1178         var i = 0
1179
1180         try {
1181
1182                 while (i < article_cache.length) {
1183                         if (article_cache[i]["id"] == id) {
1184                                 debug("cache_invalidate: removed id " + id);
1185                                 article_cache.splice(i, 1);
1186                                 return true;
1187                         }
1188                         i++;
1189                 }
1190                 debug("cache_invalidate: id not found: " + id);
1191                 return false;
1192         } catch (e) {
1193                 exception_error("cache_invalidate", e);
1194         }
1195 }
1196
1197 function getActiveArticleId() {
1198         return active_post_id;
1199 }
1200
1201 function cdmMouseIn(elem) {
1202         try {
1203                 if (elem.id && elem.id.match("RROW-")) {
1204                         var id = elem.id.replace("RROW-", "");
1205                         active_post_id = id;
1206                 }
1207         } catch (e) {
1208                 exception_error("cdmMouseIn", e);
1209         }
1210
1211 }
1212
1213 function cdmMouseOut(elem) {
1214         active_post_id = false;
1215 }
1216
1217 function headlines_scroll_handler() {
1218         try {
1219
1220                 var e = document.getElementById("headlinesInnerContainer");
1221
1222                 if (e.scrollTop + e.offsetHeight > e.scrollHeight - 300) {
1223                         debug("more cowbell!");
1224
1225                         viewNextFeedPage();
1226                 }
1227
1228         } catch (e) {
1229                 exception_error("headlines_scroll_handler", e);
1230         }
1231 }