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         try {
 378
 379                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 380                         printLockingError();
 381                         return;
 382                 }
 383
 384                 var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 385
 386                 query = query + "&afid=" + getActiveFeedId();
 387
 388                 if (tagsAreDisplayed()) {
 389                         query = query + "&omode=tl";
 390                 } else {
 391                         query = query + "&omode=flc";
 392                 }
 393
 394                 var mark_img = document.getElementById("FMPIC-" + id);
 395                 var vfeedu = document.getElementById("FEEDU--1");
 396                 var crow = document.getElementById("RROW-" + id);
 397
 398                 if (mark_img.alt != "Reset mark") {
 399                         mark_img.src = "images/mark_set.png";
 400                         mark_img.alt = "Reset mark";
 401                         query = query + "&mark=1";
 402
 403 /*                      if (vfeedu && crow.className.match("Unread")) {
 404                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 405                         } */
 406
 407                 } else {
 408                         //mark_img.src = "images/mark_unset.png";
 409                         mark_img.alt = "Please wait...";
 410                         query = query + "&mark=0";
 411
 412 /*                      if (vfeedu && crow.className.match("Unread")) {
 413                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 414                         } */
 415
 416                         if (document.getElementById("headlinesList")) {
 417                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 418                         } else {
 419                                 mark_img.src = "images/mark_unset.png";
 420                                 mark_img.alt = "Set mark";
 421                         }
 422                 }
 423
 424 /*              var vfeedctr = document.getElementById("FEEDCTR--1");
 425                 var vfeedr = document.getElementById("FEEDR--1");
 426
 427                 if (vfeedu && vfeedctr) {
 428                         if ((+vfeedu.innerHTML) > 0) {
 429                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 430                                         vfeedr.className = vfeedr.className + "Unread";
 431                                         vfeedctr.className = "odd";
 432                                 }
 433                         } else {
 434                                 vfeedctr.className = "invisible";
 435                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 436                         }
 437                 }
 438
 439                 debug("toggle starred for aid " + id);
 440
 441                 //new Ajax.Request(query); */
 442
 443                 debug(query);
 444
 445                 xmlhttp_rpc.open("GET", query, true);
 446                 xmlhttp_rpc.onreadystatechange=all_counters_callback;
 447                 xmlhttp_rpc.send(null);
 448
 449         } catch (e) {
 450                 exception_error("toggleMark", e);
 451         }
 452 }
 453
 454 function togglePub(id) {
 455
 456         try {
 457
 458                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 459                         printLockingError();
 460                         return;
 461                 }
 462
 463                 var query = "backend.php?op=rpc&id=" + id + "&subop=publ";
 464
 465                 query = query + "&afid=" + getActiveFeedId();
 466
 467                 if (tagsAreDisplayed()) {
 468                         query = query + "&omode=tl";
 469                 } else {
 470                         query = query + "&omode=flc";
 471                 }
 472
 473                 var mark_img = document.getElementById("FPPIC-" + id);
 474                 var vfeedu = document.getElementById("FEEDU--2");
 475                 var crow = document.getElementById("RROW-" + id);
 476
 477                 if (mark_img.alt != "Unpublish") {
 478                         mark_img.src = "images/pub_set.png";
 479                         mark_img.alt = "Unpublish";
 480                         query = query + "&pub=1";
 481
 482 /*                      if (vfeedu && crow.className.match("Unread")) {
 483                                 vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 484                         } */
 485
 486                 } else {
 487                         //mark_img.src = "images/pub_unset.png";
 488                         mark_img.alt = "Please wait...";
 489                         query = query + "&pub=0";
 490
 491 /*                      if (vfeedu && crow.className.match("Unread")) {
 492                                 vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 493                         } */
 494
 495                         if (document.getElementById("headlinesList")) {
 496                                 Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 497                         } else {
 498                                 mark_img.src = "images/pub_unset.png";
 499                                 mark_img.alt = "Publish";
 500                         }
 501                 }
 502
 503 /*              var vfeedctr = document.getElementById("FEEDCTR--2");
 504                 var vfeedr = document.getElementById("FEEDR--2");
 505
 506                 if (vfeedu && vfeedctr) {
 507                         if ((+vfeedu.innerHTML) > 0) {
 508                                 if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 509                                         vfeedr.className = vfeedr.className + "Unread";
 510                                         vfeedctr.className = "odd";
 511                                 }
 512                         } else {
 513                                 vfeedctr.className = "invisible";
 514                                 vfeedr.className = vfeedr.className.replace("Unread", "");
 515                         }
 516                 }
 517
 518                 debug("toggle published for aid " + id);
 519
 520                 new Ajax.Request(query); */
 521
 522                 xmlhttp_rpc.open("GET", query, true);
 523                 xmlhttp_rpc.onreadystatechange=all_counters_callback;
 524                 xmlhttp_rpc.send(null);
 525
 526         } catch (e) {
 527
 528                 exception_error("togglePub", e);
 529         }
 530 }
 531
 532 function correctHeadlinesOffset(id) {
 533
 534         try {
 535
 536                 var hlist = document.getElementById("headlinesList");
 537                 var container = document.getElementById("headlinesInnerContainer");
 538                 var row = document.getElementById("RROW-" + id);
 539
 540                 var viewport = container.offsetHeight;
 541
 542                 var rel_offset_top = row.offsetTop - container.scrollTop;
 543                 var rel_offset_bottom = row.offsetTop + row.offsetHeight - container.scrollTop;
 544
 545                 debug("Rtop: " + rel_offset_top + " Rbtm: " + rel_offset_bottom);
 546                 debug("Vport: " + viewport);
 547
 548                 if (rel_offset_top <= 0 || rel_offset_top > viewport) {
 549                         container.scrollTop = row.offsetTop;
 550                 } else if (rel_offset_bottom > viewport) {
 551
 552                         /* doesn't properly work with Opera in some cases because
 553                                 Opera fucks up element scrolling */
 554
 555                         container.scrollTop = row.offsetTop + row.offsetHeight - viewport;
 556                 }
 557
 558         } catch (e) {
 559                 exception_error("correctHeadlinesOffset", e);
 560         }
 561
 562 }
 563
 564 function moveToPost(mode) {
 565
 566         // check for combined mode
 567         if (!document.getElementById("headlinesList"))
 568                 return;
 569
 570         var rows = getVisibleHeadlineIds();
 571
 572         var prev_id = false;
 573         var next_id = false;
 574
 575         if (!document.getElementById('RROW-' + active_post_id)) {
 576                 active_post_id = false;
 577         }
 578
 579         if (active_post_id == false) {
 580                 next_id = getFirstVisibleHeadlineId();
 581                 prev_id = getLastVisibleHeadlineId();
 582         } else {
 583                 for (var i = 0; i < rows.length; i++) {
 584                         if (rows[i] == active_post_id) {
 585                                 prev_id = rows[i-1];
 586                                 next_id = rows[i+1];
 587                         }
 588                 }
 589         }
 590
 591         if (mode == "next") {
 592                 if (next_id) {
 593                         correctHeadlinesOffset(next_id);
 594                         view(next_id, getActiveFeedId());
 595                 }
 596         }
 597
 598         if (mode == "prev") {
 599                 if (prev_id) {
 600                         correctHeadlinesOffset(prev_id);
 601                         view(prev_id, getActiveFeedId());
 602                 }
 603         }
 604 }
 605
 606 function toggleUnread(id, cmode) {
 607         try {
 608                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 609                         printLockingError();
 610                         return;
 611                 }
 612
 613                 var row = document.getElementById("RROW-" + id);
 614                 if (row) {
 615                         var nc = row.className;
 616                         nc = nc.replace("Unread", "");
 617                         nc = nc.replace("Selected", "");
 618
 619                         if (row.className.match("Unread")) {
 620                                 row.className = nc;
 621                         } else {
 622                                 row.className = nc + "Unread";
 623                         }
 624
 625                         if (!cmode) cmode = 2;
 626
 627                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 628                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 629
 630                         notify_progress("Loading, please wait...");
 631
 632                         xmlhttp_rpc.open("GET", query, true);
 633                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 634                         xmlhttp_rpc.send(null);
 635
 636                 }
 637
 638
 639         } catch (e) {
 640                 exception_error("toggleUnread", e);
 641         }
 642 }
 643
 644 function selectionToggleUnread(cdm_mode, set_state, callback_func, no_error) {
 645         try {
 646                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 647                         printLockingError();
 648                         return;
 649                 }
 650
 651                 var rows;
 652
 653                 if (cdm_mode) {
 654                         rows = cdmGetSelectedArticles();
 655                 } else {
 656                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 657                 }
 658
 659                 if (rows.length == 0 && !no_error) {
 660                         alert(__("No articles are selected."));
 661                         return;
 662                 }
 663
 664                 for (i = 0; i < rows.length; i++) {
 665                         var row = document.getElementById("RROW-" + rows[i]);
 666                         if (row) {
 667                                 var nc = row.className;
 668                                 nc = nc.replace("Unread", "");
 669                                 nc = nc.replace("Selected", "");
 670
 671                                 if (set_state == undefined) {
 672                                         if (row.className.match("Unread")) {
 673                                                 row.className = nc + "Selected";
 674                                         } else {
 675                                                 row.className = nc + "UnreadSelected";
 676                                         }
 677                                 }
 678
 679                                 if (set_state == false) {
 680                                         row.className = nc + "Selected";
 681                                 }
 682
 683                                 if (set_state == true) {
 684                                         row.className = nc + "UnreadSelected";
 685                                 }
 686                         }
 687                 }
 688
 689                 if (rows.length > 0) {
 690
 691                         var cmode = "";
 692
 693                         if (set_state == undefined) {
 694                                 cmode = "2";
 695                         } else if (set_state == true) {
 696                                 cmode = "1";
 697                         } else if (set_state == false) {
 698                                 cmode = "0";
 699                         }
 700
 701                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 702                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 703
 704                         _catchup_callback_func = callback_func;
 705
 706                         notify_progress("Loading, please wait...");
 707
 708                         xmlhttp_rpc.open("GET", query, true);
 709                         xmlhttp_rpc.onreadystatechange=catchup_callback;
 710                         xmlhttp_rpc.send(null);
 711
 712                 }
 713
 714         } catch (e) {
 715                 exception_error("selectionToggleUnread", e);
 716         }
 717 }
 718
 719 function selectionToggleMarked(cdm_mode) {
 720         try {
 721                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 722                         printLockingError();
 723                         return;
 724                 }
 725
 726                 var rows;
 727
 728                 if (cdm_mode) {
 729                         rows = cdmGetSelectedArticles();
 730                 } else {
 731                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 732                 }
 733
 734                 if (rows.length == 0) {
 735                         alert(__("No articles are selected."));
 736                         return;
 737                 }
 738
 739                 for (i = 0; i < rows.length; i++) {
 740                         var row = document.getElementById("RROW-" + rows[i]);
 741                         var mark_img = document.getElementById("FMPIC-" + rows[i]);
 742
 743                         if (row && mark_img) {
 744
 745                                 if (mark_img.alt == "Set mark") {
 746                                         mark_img.src = "images/mark_set.png";
 747                                         mark_img.alt = "Reset mark";
 748                                         //mark_img.setAttribute('onclick',
 749                                         //      'javascript:toggleMark('+rows[i]+', false)');
 750
 751                                 } else {
 752                                         mark_img.src = "images/mark_unset.png";
 753                                         mark_img.alt = "Set mark";
 754
 755                                         //mark_img.alt = "Please wait...";
 756
 757                                         //mark_img.setAttribute('onclick',
 758                                         //      'javascript:toggleMark('+rows[i]+', true)');
 759
 760                                         //Effect.Puff(mark_img, {duration : 0.25, afterFinish: tMark_afh_off});
 761
 762                                 }
 763                         }
 764                 }
 765
 766                 if (rows.length > 0) {
 767
 768                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 769                                 param_escape(rows.toString()) + "&cmode=2";
 770
 771                         query = query + "&afid=" + getActiveFeedId();
 772
 773                         if (tagsAreDisplayed()) {
 774                                 query = query + "&omode=tl";
 775                         } else {
 776                                 query = query + "&omode=flc";
 777                         }
 778
 779                         xmlhttp_rpc.open("GET", query, true);
 780                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 781                         xmlhttp_rpc.send(null);
 782
 783                 }
 784
 785         } catch (e) {
 786                 exception_error("selectionToggleMarked", e);
 787         }
 788 }
 789
 790 function selectionTogglePublished(cdm_mode) {
 791         try {
 792                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 793                         printLockingError();
 794                         return;
 795                 }
 796
 797                 var rows;
 798
 799                 if (cdm_mode) {
 800                         rows = cdmGetSelectedArticles();
 801                 } else {
 802                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 803                 }
 804
 805                 if (rows.length == 0) {
 806                         alert(__("No articles are selected."));
 807                         return;
 808                 }
 809
 810                 for (i = 0; i < rows.length; i++) {
 811                         var row = document.getElementById("RROW-" + rows[i]);
 812                         var mark_img = document.getElementById("FPPIC-" + rows[i]);
 813
 814                         if (row && mark_img) {
 815
 816                                 if (mark_img.alt == "Publish") {
 817                                         mark_img.src = "images/pub_set.png";
 818                                         mark_img.alt = "Unpublish";
 819 //                                      mark_img.setAttribute('onclick',
 820 //                                              'javascript:togglePub('+rows[i]+', false)');
 821
 822                                 } else {
 823                                         mark_img.src = "images/pub_unset.png";
 824                                         mark_img.alt = "Publish";
 825 //                                      mark_img.setAttribute('onclick',
 826 //                                              'javascript:togglePub('+rows[i]+', true)');
 827
 828 //                                      Effect.Puff(mark_img, {duration : 0.25, afterFinish: tPub_afh_off});
 829
 830                                 }
 831                         }
 832                 }
 833
 834                 if (rows.length > 0) {
 835
 836                         var query = "backend.php?op=rpc&subop=publishSelected&ids=" +
 837                                 param_escape(rows.toString()) + "&cmode=2";
 838
 839                         query = query + "&afid=" + getActiveFeedId();
 840
 841                         if (tagsAreDisplayed()) {
 842                                 query = query + "&omode=tl";
 843                         } else {
 844                                 query = query + "&omode=flc";
 845                         }
 846
 847                         xmlhttp_rpc.open("GET", query, true);
 848                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 849                         xmlhttp_rpc.send(null);
 850
 851                 }
 852
 853         } catch (e) {
 854                 exception_error("selectionToggleMarked", e);
 855         }
 856 }
 857
 858 function cdmGetSelectedArticles() {
 859         var sel_articles = new Array();
 860         var container = document.getElementById("headlinesInnerContainer");
 861
 862         for (i = 0; i < container.childNodes.length; i++) {
 863                 var child = container.childNodes[i];
 864
 865                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 866                         var c_id = child.id.replace("RROW-", "");
 867                         sel_articles.push(c_id);
 868                 }
 869         }
 870
 871         return sel_articles;
 872 }
 873
 874 function cdmGetVisibleArticles() {
 875         var sel_articles = new Array();
 876         var container = document.getElementById("headlinesInnerContainer");
 877
 878         for (i = 0; i < container.childNodes.length; i++) {
 879                 var child = container.childNodes[i];
 880
 881                 if (child.id.match("RROW-")) {
 882                         var c_id = child.id.replace("RROW-", "");
 883                         sel_articles.push(c_id);
 884                 }
 885         }
 886
 887         return sel_articles;
 888 }
 889
 890 function cdmGetUnreadArticles() {
 891         var sel_articles = new Array();
 892         var container = document.getElementById("headlinesInnerContainer");
 893
 894         for (i = 0; i < container.childNodes.length; i++) {
 895                 var child = container.childNodes[i];
 896
 897                 if (child.id.match("RROW-") && child.className.match("Unread")) {
 898                         var c_id = child.id.replace("RROW-", "");
 899                         sel_articles.push(c_id);
 900                 }
 901         }
 902
 903         return sel_articles;
 904 }
 905
 906
 907 // mode = all,none,unread
 908 function cdmSelectArticles(mode) {
 909         var container = document.getElementById("headlinesInnerContainer");
 910
 911         for (i = 0; i < container.childNodes.length; i++) {
 912                 var child = container.childNodes[i];
 913
 914                 if (child.id.match("RROW-")) {
 915                         var aid = child.id.replace("RROW-", "");
 916
 917                         var cb = document.getElementById("RCHK-" + aid);
 918
 919                         if (mode == "all") {
 920                                 if (!child.className.match("Selected")) {
 921                                         child.className = child.className + "Selected";
 922                                         cb.checked = true;
 923                                 }
 924                         } else if (mode == "unread") {
 925                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 926                                         child.className = child.className + "Selected";
 927                                         cb.checked = true;
 928                                 }
 929                         } else {
 930                                 child.className = child.className.replace("Selected", "");
 931                                 cb.checked = false;
 932                         }
 933                 }
 934         }
 935 }
 936
 937 function catchupPage() {
 938
 939         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 940
 941         var str = __("Mark all visible articles in %s as read?");
 942
 943         str = str.replace("%s", fn);
 944
 945         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 946                 return;
 947         }
 948
 949         if (document.getElementById("headlinesList")) {
 950                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 951                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 952                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 953         } else {
 954                 cdmSelectArticles('all');
 955                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 956                 cdmSelectArticles('none');
 957         }
 958 }
 959
 960 function catchupSelection() {
 961
 962         try {
 963
 964                 var rows;
 965
 966                 if (document.getElementById("headlinesList")) {
 967                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 968                 } else {
 969                         rows = cdmGetSelectedArticles();
 970                 }
 971
 972                 if (rows.length == 0) {
 973                         alert(__("No articles are selected."));
 974                         return;
 975                 }
 976
 977
 978                 var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 979
 980                 var str = __("Mark all selected articles in %s as read?");
 981
 982                 str = str.replace("%s", fn);
 983
 984                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 985                         return;
 986                 }
 987
 988                 if (document.getElementById("headlinesList")) {
 989                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 990         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 991                 } else {
 992                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 993         //              cdmSelectArticles('none');
 994                 }
 995
 996         } catch (e) {
 997                 exception_error("catchupSelection", e);
 998         }
 999 }
1000
1001
1002 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
1003
1004         if (!xmlhttp_ready(xmlhttp_rpc)) {
1005                 printLockingError();
1006         }
1007
1008         var title = prompt(__("Please enter label title:"), "");
1009
1010         if (title) {
1011
1012                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
1013                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
1014                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
1015                         "&title=" + param_escape(title);
1016
1017                 debug("LFS: " + query);
1018
1019                 xmlhttp_rpc.open("GET", query, true);
1020                 xmlhttp_rpc.onreadystatechange=dlg_frefresh_callback;
1021                 xmlhttp_rpc.send(null);
1022         }
1023
1024 }
1025
1026 function editArticleTags(id, feed_id, cdm_enabled) {
1027         _tag_active_post_id = id;
1028         _tag_active_feed_id = feed_id;
1029         _tag_active_cdm = cdm_enabled;
1030
1031         cache_invalidate(id);
1032
1033         try {
1034                 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
1035         } catch (e) { }
1036         displayDlg('editArticleTags', id);
1037 }
1038
1039
1040 function tag_saved_callback() {
1041         if (xmlhttp_rpc.readyState == 4) {
1042                 try {
1043                         debug("in tag_saved_callback");
1044
1045                         closeInfoBox();
1046                         notify("");
1047
1048                         if (tagsAreDisplayed()) {
1049                                 _reload_feedlist_after_view = true;
1050                         }
1051
1052                         if (!_tag_active_cdm) {
1053                                 if (active_post_id == _tag_active_post_id) {
1054                                         debug("reloading current article");
1055                                         view(_tag_active_post_id, _tag_active_feed_id);
1056                                 }
1057                         } else {
1058                                 debug("reloading current feed");
1059                                 viewCurrentFeed();
1060                         }
1061
1062                 } catch (e) {
1063                         exception_error("catchup_callback", e);
1064                 }
1065         }
1066 }
1067
1068 function editTagsSave() {
1069
1070         if (!xmlhttp_ready(xmlhttp_rpc)) {
1071                 printLockingError();
1072         }
1073
1074         notify_progress("Saving article tags...");
1075
1076         var form = document.forms["tag_edit_form"];
1077
1078         var query = Form.serialize("tag_edit_form");
1079
1080         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
1081
1082         debug(query);
1083
1084         xmlhttp_rpc.open("GET", query, true);
1085         xmlhttp_rpc.onreadystatechange=tag_saved_callback;
1086         xmlhttp_rpc.send(null);
1087
1088 }
1089
1090 function editTagsInsert() {
1091         try {
1092
1093                 var form = document.forms["tag_edit_form"];
1094
1095                 var found_tags = form.found_tags;
1096                 var tags_str = form.tags_str;
1097
1098                 var tag = found_tags[found_tags.selectedIndex].value;
1099
1100                 if (tags_str.value.length > 0 &&
1101                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1102
1103                         tags_str.value = tags_str.value + ", ";
1104                 }
1105
1106                 tags_str.value = tags_str.value + tag + ", ";
1107
1108                 found_tags.selectedIndex = 0;
1109
1110         } catch (e) {
1111                 exception_error(e, "editTagsInsert");
1112         }
1113 }
1114
1115 function cdmWatchdog() {
1116
1117         try {
1118
1119                 var ctr = document.getElementById("headlinesInnerContainer");
1120
1121                 if (!ctr) return;
1122
1123                 var ids = new Array();
1124
1125                 var e = ctr.firstChild;
1126
1127                 while (e) {
1128                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1129                                         e.id.match("RROW-")) {
1130
1131                                 // article fits in viewport OR article is longer than viewport and
1132                                 // its bottom is visible
1133
1134                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1135                                                 ctr.scrollTop + ctr.offsetHeight) {
1136
1137 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1138 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1139 //                                              (ctr.scrollTop + ctr.offsetHeight));
1140
1141                                         ids.push(e.id.replace("RROW-", ""));
1142
1143                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1144                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1145                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1146
1147                                         ids.push(e.id.replace("RROW-", ""));
1148
1149                                 }
1150
1151                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1152
1153 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1154                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1155
1156                                         ids.push(e.id.replace("RROW-", ""));
1157
1158                                 } */
1159
1160                         }
1161
1162                         e = e.nextSibling;
1163                 }
1164
1165                 debug("cdmWatchdog, ids= " + ids.toString());
1166
1167                 if (ids.length > 0 && xmlhttp_ready(xmlhttp_rpc)) {
1168
1169                         for (var i = 0; i < ids.length; i++) {
1170                                 var e = document.getElementById("RROW-" + ids[i]);
1171                                 if (e) {
1172                                         e.className = e.className.replace("Unread", "");
1173                                 }
1174                         }
1175
1176                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1177                                 param_escape(ids.toString()) + "&cmode=0";
1178
1179                         xmlhttp_rpc.open("GET", query, true);
1180                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
1181                         xmlhttp_rpc.send(null);
1182
1183                 }
1184
1185                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1186
1187         } catch (e) {
1188                 exception_error(e, "cdmWatchdog");
1189         }
1190
1191 }
1192
1193
1194 function cache_inject(id, article) {
1195         if (!cache_check(id)) {
1196                 debug("cache_article: miss: " + id);
1197
1198                 var cache_obj = new Array();
1199
1200                 cache_obj["id"] = id;
1201                 cache_obj["data"] = article;
1202
1203                 article_cache.push(cache_obj);
1204
1205         } else {
1206                 debug("cache_article: hit: " + id);
1207         }
1208 }
1209
1210 function cache_find(id) {
1211         for (var i = 0; i < article_cache.length; i++) {
1212                 if (article_cache[i]["id"] == id) {
1213                         return article_cache[i]["data"];
1214                 }
1215         }
1216         return false;
1217 }
1218
1219 function cache_check(id) {
1220         for (var i = 0; i < article_cache.length; i++) {
1221                 if (article_cache[i]["id"] == id) {
1222                         return true;
1223                 }
1224         }
1225         return false;
1226 }
1227
1228 function cache_expire() {
1229         while (article_cache.length > 20) {
1230                 article_cache.shift();
1231         }
1232 }
1233
1234 function cache_invalidate(id) {
1235         var i = 0
1236
1237         try {
1238
1239                 while (i < article_cache.length) {
1240                         if (article_cache[i]["id"] == id) {
1241                                 debug("cache_invalidate: removed id " + id);
1242                                 article_cache.splice(i, 1);
1243                                 return true;
1244                         }
1245                         i++;
1246                 }
1247                 debug("cache_invalidate: id not found: " + id);
1248                 return false;
1249         } catch (e) {
1250                 exception_error("cache_invalidate", e);
1251         }
1252 }
1253
1254 function getActiveArticleId() {
1255         return active_post_id;
1256 }
1257
1258 function cdmMouseIn(elem) {
1259         try {
1260                 if (elem.id && elem.id.match("RROW-")) {
1261                         var id = elem.id.replace("RROW-", "");
1262                         active_post_id = id;
1263                 }
1264         } catch (e) {
1265                 exception_error("cdmMouseIn", e);
1266         }
1267
1268 }
1269
1270 function cdmMouseOut(elem) {
1271         active_post_id = false;
1272 }
1273
1274 function headlines_scroll_handler() {
1275         try {
1276
1277                 var e = document.getElementById("headlinesInnerContainer");
1278
1279                 if (e.scrollTop + e.offsetHeight > e.scrollHeight - 300) {
1280                         debug("more cowbell!");
1281
1282                         viewNextFeedPage();
1283                 }
1284
1285         } catch (e) {
1286                 exception_error("headlines_scroll_handler", e);
1287         }
1288 }
1289
1290 function catchupRelativeToArticle(below) {
1291
1292         try {
1293
1294                 if (!xmlhttp_ready(xmlhttp_rpc)) {
1295                         printLockingError();
1296                 }
1297
1298                 if (!getActiveArticleId()) {
1299                         alert(__("No article is selected."));
1300                         return;
1301                 }
1302
1303                 var visible_ids;
1304
1305                 if (document.getElementById("headlinesList")) {
1306                         visible_ids = getVisibleHeadlineIds();
1307                 } else {
1308                         visible_ids = cdmGetVisibleArticles();
1309                 }
1310
1311                 var ids_to_mark = new Array();
1312
1313                 if (!below) {
1314                         for (var i = 0; i < visible_ids.length; i++) {
1315                                 if (visible_ids[i] != getActiveArticleId()) {
1316                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1317
1318                                         if (e && e.className.match("Unread")) {
1319                                                 ids_to_mark.push(visible_ids[i]);
1320                                         }
1321                                 } else {
1322                                         break;
1323                                 }
1324                         }
1325                 } else {
1326                         for (var i = visible_ids.length-1; i >= 0; i--) {
1327                                 if (visible_ids[i] != getActiveArticleId()) {
1328                                         var e = document.getElementById("RROW-" + visible_ids[i]);
1329
1330                                         if (e && e.className.match("Unread")) {
1331                                                 ids_to_mark.push(visible_ids[i]);
1332                                         }
1333                                 } else {
1334                                         break;
1335                                 }
1336                         }
1337                 }
1338
1339                 if (ids_to_mark.length == 0) {
1340                         alert(__("No articles found to mark"));
1341                 } else {
1342                         var msg = __("Mark %d article(s) as read?").replace("%d", ids_to_mark.length);
1343
1344                         if (confirm(msg)) {
1345
1346                                 for (var i = 0; i < ids_to_mark.length; i++) {
1347                                         var e = document.getElementById("RROW-" + ids_to_mark[i]);
1348                                         e.className = e.className.replace("Unread", "");
1349                                 }
1350
1351                                 var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1352                                         param_escape(ids_to_mark.toString()) + "&cmode=0";
1353
1354                                 xmlhttp_rpc.open("GET", query, true);
1355                                 xmlhttp_rpc.onreadystatechange=catchup_callback;
1356                                 xmlhttp_rpc.send(null);
1357
1358                         }
1359                 }
1360
1361         } catch (e) {
1362                 exception_error("catchupRelativeToArticle", e);
1363         }
1364 }