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
 342 function toggleMark(id) {
 343
 344         if (!xmlhttp_ready(xmlhttp_rpc)) {
 345                 printLockingError();
 346                 return;
 347         }
 348
 349         var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 350
 351         query = query + "&afid=" + getActiveFeedId();
 352
 353         if (tagsAreDisplayed()) {
 354                 query = query + "&omode=tl";
 355         } else {
 356                 query = query + "&omode=flc";
 357         }
 358
 359         var mark_img = document.getElementById("FMPIC-" + id);
 360         var vfeedu = document.getElementById("FEEDU--1");
 361         var crow = document.getElementById("RROW-" + id);
 362
 363         if (mark_img.alt != "Reset mark") {
 364                 mark_img.src = "images/mark_set.png";
 365                 mark_img.alt = "Reset mark";
 366                 query = query + "&mark=1";
 367
 368                 if (vfeedu && crow.className.match("Unread")) {
 369                         vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 370                 }
 371
 372         } else {
 373                 mark_img.src = "images/mark_unset.png";
 374                 mark_img.alt = "Set mark";
 375                 query = query + "&mark=0";
 376
 377                 if (vfeedu && crow.className.match("Unread")) {
 378                         vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 379                 }
 380
 381         }
 382
 383         var vfeedctr = document.getElementById("FEEDCTR--1");
 384         var vfeedr = document.getElementById("FEEDR--1");
 385
 386         if (vfeedu && vfeedctr) {
 387                 if ((+vfeedu.innerHTML) > 0) {
 388                         if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 389                                 vfeedr.className = vfeedr.className + "Unread";
 390                                 vfeedctr.className = "odd";
 391                         }
 392                 } else {
 393                         vfeedctr.className = "invisible";
 394                         vfeedr.className = vfeedr.className.replace("Unread", "");
 395                 }
 396         }
 397
 398         debug("toggle starred for aid " + id);
 399
 400         new Ajax.Request(query);
 401
 402 }
 403
 404 function togglePub(id) {
 405
 406         try {
 407
 408                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 409                         printLockingError();
 410                         return;
 411                 }
 412
 413                 var query = "backend.php?op=rpc&id=" + id + "&subop=publ";
 414
 415                 query = query + "&afid=" + getActiveFeedId();
 416
 417                 if (tagsAreDisplayed()) {
 418                         query = query + "&omode=tl";
 419                 } else {
 420                         query = query + "&omode=flc";
 421                 }
 422
 423                 var mark_img = document.getElementById("FPPIC-" + id);
 424                 var vfeedu = document.getElementById("FEEDU--2");
 425                 var crow = document.getElementById("RROW-" + id);
 426
 427                 if (mark_img.alt != "Unpublish") {
 428                         mark_img.src = "images/pub_set.png";
 429                         mark_img.alt = "Unpublish";
 430                         query = query + "&pub=1";
 431
 432                         if (vfeedu && crow.className.match("Unread")) {
 433                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 434                         }
 435
 436                 } else {
 437                         mark_img.src = "images/pub_unset.png";
 438                         mark_img.alt = "Publish";
 439                         query = query + "&pub=0";
 440
 441                         if (vfeedu && crow.className.match("Unread")) {
 442                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 443                         }
 444
 445                 }
 446
 447                 var vfeedctr = document.getElementById("FEEDCTR--2");
 448                 var vfeedr = document.getElementById("FEEDR--2");
 449
 450                 if (vfeedu && vfeedctr) {
 451                         if ((+vfeedu.innerHTML) > 0) {
 452                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 453                                         vfeedr.className = vfeedr.className + "Unread";
 454                                         vfeedctr.className = "odd";
 455                                 }
 456                         } else {
 457                                 vfeedctr.className = "invisible";
 458                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 459                         }
 460                 }
 461
 462                 debug("toggle published for aid " + id);
 463
 464                 new Ajax.Request(query);
 465         } catch (e) {
 466
 467                 exception_error("togglePub", e);
 468         }
 469 }
 470
 471 function correctHeadlinesOffset(id) {
 472
 473         try {
 474
 475                 var hlist = document.getElementById("headlinesList");
 476                 var container = document.getElementById("headlinesInnerContainer");
 477                 var row = document.getElementById("RROW-" + id);
 478
 479                 var viewport = container.offsetHeight;
 480
 481                 var rel_offset_top = row.offsetTop - container.scrollTop;
 482                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 483
 484                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 485                 debug("Vport: " + viewport);
 486
 487                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 488                         container.scrollTop = row.offsetTop;
 489                 } else if (rel_offset_bottom > viewport) {
 490
 491                         /* doesn't properly work with Opera in some cases because
 492                                 Opera fucks up element scrolling */
 493
 494                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 495                 }
 496
 497         } catch (e) {
 498                 exception_error("correctHeadlinesOffset", e);
 499         }
 500
 501 }
 502
 503 function moveToPost(mode) {
 504
 505         // check for combined mode
 506         if (!document.getElementById("headlinesList"))
 507                 return;
 508
 509         var rows = getVisibleHeadlineIds();
 510
 511         var prev_id = false;
 512         var next_id = false;
 513
 514         if (!document.getElementById('RROW-' + active_post_id)) {
 515                 active_post_id = false;
 516         }
 517
 518         if (active_post_id == false) {
 519                 next_id = getFirstVisibleHeadlineId();
 520                 prev_id = getLastVisibleHeadlineId();
 521         } else {
 522                 for (var i = 0; i < rows.length; i++) {
 523                         if (rows[i] == active_post_id) {
 524                                 prev_id = rows[i-1];
 525                                 next_id = rows[i+1];
 526                         }
 527                 }
 528         }
 529
 530         if (mode == "next") {
 531                 if (next_id) {
 532                         correctHeadlinesOffset(next_id);
 533                         view(next_id, getActiveFeedId());
 534                 }
 535         }
 536
 537         if (mode == "prev") {
 538                 if (prev_id) {
 539                         correctHeadlinesOffset(prev_id);
 540                         view(prev_id, getActiveFeedId());
 541                 }
 542         }
 543 }
 544
 545 function toggleUnread(id, cmode) {
 546         try {
 547                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 548                         printLockingError();
 549                         return;
 550                 }
 551
 552                 var row = document.getElementById("RROW-" + id);
 553                 if (row) {
 554                         var nc = row.className;
 555                         nc = nc.replace("Unread", "");
 556                         nc = nc.replace("Selected", "");
 557
 558                         if (row.className.match("Unread")) {
 559                                 row.className = nc;
 560                         } else {
 561                                 row.className = nc + "Unread";
 562                         }
 563
 564                         if (!cmode) cmode = 2;
 565
 566                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 567                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 568
 569                         notify_progress("Loading, please wait...");
 570
 571                         xmlhttp_rpc.open("GET", query, true);
 572                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 573                         xmlhttp_rpc.send(null);
 574
 575                 }
 576
 577
 578         } catch (e) {
 579                 exception_error("toggleUnread", e);
 580         }
 581 }
 582
 583 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
 584         try {
 585                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 586                         printLockingError();
 587                         return;
 588                 }
 589
 590                 var rows;
 591
 592                 if (cdm_mode) {
 593                         rows = cdmGetSelectedArticles();
 594                 } else {
 595                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 596                 }
 597
 598                 if (rows.length == 0 && !no_error) {
 599                         alert(__("No articles are selected."));
 600                         return;
 601                 }
 602
 603                 for (i = 0; i < rows.length; i++) {
 604                         var row = document.getElementById("RROW-" + rows[i]);
 605                         if (row) {
 606                                 var nc = row.className;
 607                                 nc = nc.replace("Unread", "");
 608                                 nc = nc.replace("Selected", "");
 609
 610                                 if (row.className.match("Unread")) {
 611                                         row.className = nc + "Selected";
 612                                 } else {
 613                                         row.className = nc + "UnreadSelected";
 614                                 }
 615                         }
 616                 }
 617
 618                 if (rows.length > 0) {
 619
 620                         var cmode = "";
 621
 622                         if (set_state == undefined) {
 623                                 cmode = "2";
 624                         } else if (set_state == true) {
 625                                 cmode = "1";
 626                         } else if (set_state == false) {
 627                                 cmode = "0";
 628                         }
 629
 630                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 631                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 632
 633                         _catchup_callback_func = callback_func;
 634
 635                         notify_progress("Loading, please wait...");
 636
 637                         xmlhttp_rpc.open("GET", query, true);
 638                         xmlhttp_rpc.onreadystatechange=catchup_callback;
 639                         xmlhttp_rpc.send(null);
 640
 641                 }
 642
 643         } catch (e) {
 644                 exception_error("selectionToggleUnread", e);
 645         }
 646 }
 647
 648 function selectionToggleMarked(cdm_mode) {
 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) {
 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                         var mark_img = document.getElementById("FMPIC-" + rows[i]);
 671
 672                         if (row && mark_img) {
 673
 674                                 if (mark_img.alt == "Set mark") {
 675                                         mark_img.src = "images/mark_set.png";
 676                                         mark_img.alt = "Reset mark";
 677                                         mark_img.setAttribute('onclick',
 678                                                 'javascript:toggleMark('+rows[i]+', false)');
 679
 680                                 } else {
 681                                         mark_img.src = "images/mark_unset.png";
 682                                         mark_img.alt = "Set mark";
 683                                         mark_img.setAttribute('onclick',
 684                                                 'javascript:toggleMark('+rows[i]+', true)');
 685                                 }
 686                         }
 687                 }
 688
 689                 if (rows.length > 0) {
 690
 691                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 692                                 param_escape(rows.toString()) + "&cmode=2";
 693
 694                         query = query + "&afid=" + getActiveFeedId();
 695
 696                         if (tagsAreDisplayed()) {
 697                                 query = query + "&omode=tl";
 698                         } else {
 699                                 query = query + "&omode=flc";
 700                         }
 701
 702                         xmlhttp_rpc.open("GET", query, true);
 703                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 704                         xmlhttp_rpc.send(null);
 705
 706                 }
 707
 708         } catch (e) {
 709                 exception_error("selectionToggleMarked", e);
 710         }
 711 }
 712
 713 function selectionTogglePublished(cdm_mode) {
 714         try {
 715                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 716                         printLockingError();
 717                         return;
 718                 }
 719
 720                 var rows;
 721
 722                 if (cdm_mode) {
 723                         rows = cdmGetSelectedArticles();
 724                 } else {
 725                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 726                 }
 727
 728                 if (rows.length == 0) {
 729                         alert(__("No articles are selected."));
 730                         return;
 731                 }
 732
 733                 for (i = 0; i < rows.length; i++) {
 734                         var row = document.getElementById("RROW-" + rows[i]);
 735                         var mark_img = document.getElementById("FPPIC-" + rows[i]);
 736
 737                         if (row && mark_img) {
 738
 739                                 if (mark_img.alt == "Publish") {
 740                                         mark_img.src = "images/pub_set.png";
 741                                         mark_img.alt = "Unpublish";
 742                                         mark_img.setAttribute('onclick',
 743                                                 'javascript:togglePub('+rows[i]+', false)');
 744
 745                                 } else {
 746                                         mark_img.src = "images/pub_unset.png";
 747                                         mark_img.alt = "Publish";
 748                                         mark_img.setAttribute('onclick',
 749                                                 'javascript:togglePub('+rows[i]+', true)');
 750                                 }
 751                         }
 752                 }
 753
 754                 if (rows.length > 0) {
 755
 756                         var query = "backend.php?op=rpc&subop=publishSelected&ids=" +
 757                                 param_escape(rows.toString()) + "&cmode=2";
 758
 759                         query = query + "&afid=" + getActiveFeedId();
 760
 761                         if (tagsAreDisplayed()) {
 762                                 query = query + "&omode=tl";
 763                         } else {
 764                                 query = query + "&omode=flc";
 765                         }
 766
 767                         xmlhttp_rpc.open("GET", query, true);
 768                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 769                         xmlhttp_rpc.send(null);
 770
 771                 }
 772
 773         } catch (e) {
 774                 exception_error("selectionToggleMarked", e);
 775         }
 776 }
 777
 778 function cdmGetSelectedArticles() {
 779         var sel_articles = new Array();
 780         var container = document.getElementById("headlinesInnerContainer");
 781
 782         for (i = 0; i < container.childNodes.length; i++) {
 783                 var child = container.childNodes[i];
 784
 785                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 786                         var c_id = child.id.replace("RROW-", "");
 787                         sel_articles.push(c_id);
 788                 }
 789         }
 790
 791         return sel_articles;
 792 }
 793
 794 // mode = all,none,unread
 795 function cdmSelectArticles(mode) {
 796         var container = document.getElementById("headlinesInnerContainer");
 797
 798         for (i = 0; i < container.childNodes.length; i++) {
 799                 var child = container.childNodes[i];
 800
 801                 if (child.id.match("RROW-")) {
 802                         var aid = child.id.replace("RROW-", "");
 803
 804                         var cb = document.getElementById("RCHK-" + aid);
 805
 806                         if (mode == "all") {
 807                                 if (!child.className.match("Selected")) {
 808                                         child.className = child.className + "Selected";
 809                                         cb.checked = true;
 810                                 }
 811                         } else if (mode == "unread") {
 812                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 813                                         child.className = child.className + "Selected";
 814                                         cb.checked = true;
 815                                 }
 816                         } else {
 817                                 child.className = child.className.replace("Selected", "");
 818                                 cb.checked = false;
 819                         }
 820                 }
 821         }
 822 }
 823
 824 function catchupPage() {
 825
 826         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 827
 828         var str = "Mark all visible articles in " + fn + " as read?";
 829
 830         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 831                 return;
 832         }
 833
 834         if (document.getElementById("headlinesList")) {
 835                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 836                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 837                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 838         } else {
 839                 cdmSelectArticles('all');
 840                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 841                 cdmSelectArticles('none');
 842         }
 843 }
 844
 845 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
 846
 847         if (!xmlhttp_ready(xmlhttp_rpc)) {
 848                 printLockingError();
 849         }
 850
 851         var title = prompt("Please enter label title:", "");
 852
 853         if (title) {
 854
 855                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
 856                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
 857                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
 858                         "&title=" + param_escape(title);
 859
 860                 debug("LFS: " + query);
 861
 862                 xmlhttp_rpc.open("GET", query, true);
 863                 xmlhttp_rpc.onreadystatechange=dlg_frefresh_callback;
 864                 xmlhttp_rpc.send(null);
 865         }
 866
 867 }
 868
 869 function editArticleTags(id, feed_id, cdm_enabled) {
 870         _tag_active_post_id = id;
 871         _tag_active_feed_id = feed_id;
 872         _tag_active_cdm = cdm_enabled;
 873
 874         cache_invalidate(id);
 875
 876         try {
 877                 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
 878         } catch (e) { }
 879         displayDlg('editArticleTags', id);
 880 }
 881
 882
 883 function tag_saved_callback() {
 884         if (xmlhttp_rpc.readyState == 4) {
 885                 try {
 886                         debug("in tag_saved_callback");
 887
 888                         closeInfoBox();
 889                         notify("");
 890
 891                         if (tagsAreDisplayed()) {
 892                                 _reload_feedlist_after_view = true;
 893                         }
 894
 895                         if (!_tag_active_cdm) {
 896                                 if (active_post_id == _tag_active_post_id) {
 897                                         debug("reloading current article");
 898                                         view(_tag_active_post_id, _tag_active_feed_id);
 899                                 }
 900                         } else {
 901                                 debug("reloading current feed");
 902                                 viewCurrentFeed();
 903                         }
 904
 905                 } catch (e) {
 906                         exception_error("catchup_callback", e);
 907                 }
 908         }
 909 }
 910
 911 function editTagsSave() {
 912
 913         if (!xmlhttp_ready(xmlhttp_rpc)) {
 914                 printLockingError();
 915         }
 916
 917         notify_progress("Saving article tags...");
 918
 919         var form = document.forms["tag_edit_form"];
 920
 921         var query = Form.serialize("tag_edit_form");
 922
 923         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
 924
 925         debug(query);
 926
 927         xmlhttp_rpc.open("GET", query, true);
 928         xmlhttp_rpc.onreadystatechange=tag_saved_callback;
 929         xmlhttp_rpc.send(null);
 930
 931 }
 932
 933 function editTagsInsert() {
 934         try {
 935
 936                 var form = document.forms["tag_edit_form"];
 937
 938                 var found_tags = form.found_tags;
 939                 var tags_str = form.tags_str;
 940
 941                 var tag = found_tags[found_tags.selectedIndex].value;
 942
 943                 if (tags_str.value.length > 0 &&
 944                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
 945
 946                         tags_str.value = tags_str.value + ", ";
 947                 }
 948
 949                 tags_str.value = tags_str.value + tag + ", ";
 950
 951                 found_tags.selectedIndex = 0;
 952
 953         } catch (e) {
 954                 exception_error(e, "editTagsInsert");
 955         }
 956 }
 957
 958 function cdmWatchdog() {
 959
 960         try {
 961
 962                 var ctr = document.getElementById("headlinesInnerContainer");
 963
 964                 if (!ctr) return;
 965
 966                 var ids = new Array();
 967
 968                 var e = ctr.firstChild;
 969
 970                 while (e) {
 971                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
 972                                         e.id.match("RROW-")) {
 973
 974                                 // article fits in viewport OR article is longer than viewport and
 975                                 // its bottom is visible
 976
 977                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
 978                                                 ctr.scrollTop + ctr.offsetHeight) {
 979
 980 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
 981 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
 982 //                                              (ctr.scrollTop + ctr.offsetHeight));
 983
 984                                         ids.push(e.id.replace("RROW-", ""));
 985
 986                                 } else if (e.offsetHeight > ctr.offsetHeight &&
 987                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
 988                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
 989
 990                                         ids.push(e.id.replace("RROW-", ""));
 991
 992                                 }
 993
 994                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
 995
 996 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
 997                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
 998
 999                                         ids.push(e.id.replace("RROW-", ""));
1000
1001                                 } */
1002
1003                         }
1004
1005                         e = e.nextSibling;
1006                 }
1007
1008                 debug("cdmWatchdog, ids= " + ids.toString());
1009
1010                 if (ids.length > 0 && xmlhttp_ready(xmlhttp_rpc)) {
1011
1012                         for (var i = 0; i < ids.length; i++) {
1013                                 var e = document.getElementById("RROW-" + ids[i]);
1014                                 if (e) {
1015                                         e.className = e.className.replace("Unread", "");
1016                                 }
1017                         }
1018
1019                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1020                                 param_escape(ids.toString()) + "&cmode=0";
1021
1022                         xmlhttp_rpc.open("GET", query, true);
1023                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
1024                         xmlhttp_rpc.send(null);
1025
1026                 }
1027
1028                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1029
1030         } catch (e) {
1031                 exception_error(e, "cdmWatchdog");
1032         }
1033
1034 }
1035
1036
1037 function cache_inject(id, article) {
1038         if (!cache_check(id)) {
1039                 debug("cache_article: miss: " + id);
1040
1041                 var cache_obj = new Array();
1042
1043                 cache_obj["id"] = id;
1044                 cache_obj["data"] = article;
1045
1046                 article_cache.push(cache_obj);
1047
1048         } else {
1049                 debug("cache_article: hit: " + id);
1050         }
1051 }
1052
1053 function cache_find(id) {
1054         for (var i = 0; i < article_cache.length; i++) {
1055                 if (article_cache[i]["id"] == id) {
1056                         return article_cache[i]["data"];
1057                 }
1058         }
1059         return false;
1060 }
1061
1062 function cache_check(id) {
1063         for (var i = 0; i < article_cache.length; i++) {
1064                 if (article_cache[i]["id"] == id) {
1065                         return true;
1066                 }
1067         }
1068         return false;
1069 }
1070
1071 function cache_expire() {
1072         while (article_cache.length > 20) {
1073                 article_cache.shift();
1074         }
1075 }
1076
1077 function cache_invalidate(id) {
1078         var i = 0
1079
1080         try {
1081
1082                 while (i < article_cache.length) {
1083                         if (article_cache[i]["id"] == id) {
1084                                 debug("cache_invalidate: removed id " + id);
1085                                 article_cache.splice(i, 1);
1086                                 return true;
1087                         }
1088                         i++;
1089                 }
1090                 debug("cache_invalidate: id not found: " + id);
1091                 return false;
1092         } catch (e) {
1093                 exception_error("cache_invalidate", e);
1094         }
1095 }
1096
1097 function getActiveArticleId() {
1098         return active_post_id;
1099 }
1100
1101 function cdmMouseIn(elem) {
1102         try {
1103                 if (elem.id && elem.id.match("RROW-")) {
1104                         var id = elem.id.replace("RROW-", "");
1105                         active_post_id = id;
1106                 }
1107         } catch (e) {
1108                 exception_error("cdmMouseIn", e);
1109         }
1110
1111 }
1112
1113 function cdmMouseOut(elem) {
1114         active_post_id = false;
1115 }
1116
1117 function headlines_scroll_handler() {
1118         try {
1119
1120                 var e = document.getElementById("headlinesInnerContainer");
1121
1122                 if (e.scrollTop + e.offsetHeight > e.scrollHeight - 300) {
1123                         debug("more cowbell!");
1124
1125                         viewNextFeedPage();
1126                 }
1127
1128         } catch (e) {
1129                 exception_error("headlines_scroll_handler", e);
1130         }
1131 }