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 // mode = all,none,unread
 875 function cdmSelectArticles(mode) {
 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 aid = child.id.replace("RROW-", "");
 883
 884                         var cb = document.getElementById("RCHK-" + aid);
 885
 886                         if (mode == "all") {
 887                                 if (!child.className.match("Selected")) {
 888                                         child.className = child.className + "Selected";
 889                                         cb.checked = true;
 890                                 }
 891                         } else if (mode == "unread") {
 892                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 893                                         child.className = child.className + "Selected";
 894                                         cb.checked = true;
 895                                 }
 896                         } else {
 897                                 child.className = child.className.replace("Selected", "");
 898                                 cb.checked = false;
 899                         }
 900                 }
 901         }
 902 }
 903
 904 function catchupPage() {
 905
 906         var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 907
 908         var str = __("Mark all visible articles in %s as read?");
 909
 910         str = str.replace("%s", fn);
 911
 912         if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 913                 return;
 914         }
 915
 916         if (document.getElementById("headlinesList")) {
 917                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 918                 selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 919                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 920         } else {
 921                 cdmSelectArticles('all');
 922                 selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 923                 cdmSelectArticles('none');
 924         }
 925 }
 926
 927 function catchupSelection() {
 928
 929         try {
 930
 931                 var rows;
 932
 933                 if (document.getElementById("headlinesList")) {
 934                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 935                 } else {
 936                         rows = cdmGetSelectedArticles();
 937                 }
 938
 939                 if (rows.length == 0) {
 940                         alert(__("No articles are selected."));
 941                         return;
 942                 }
 943
 944
 945                 var fn = getFeedName(getActiveFeedId(), active_feed_is_cat);
 946
 947                 var str = __("Mark all selected articles in %s as read?");
 948
 949                 str = str.replace("%s", fn);
 950
 951                 if (getInitParam("confirm_feed_catchup") == 1 && !confirm(str)) {
 952                         return;
 953                 }
 954
 955                 if (document.getElementById("headlinesList")) {
 956                         selectionToggleUnread(false, false, 'viewCurrentFeed()', true);
 957         //              selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 958                 } else {
 959                         selectionToggleUnread(true, false, 'viewCurrentFeed()', true)
 960         //              cdmSelectArticles('none');
 961                 }
 962
 963         } catch (e) {
 964                 exception_error("catchupSelection", e);
 965         }
 966 }
 967
 968
 969 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
 970
 971         if (!xmlhttp_ready(xmlhttp_rpc)) {
 972                 printLockingError();
 973         }
 974
 975         var title = prompt(__("Please enter label title:"), "");
 976
 977         if (title) {
 978
 979                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
 980                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
 981                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
 982                         "&title=" + param_escape(title);
 983
 984                 debug("LFS: " + query);
 985
 986                 xmlhttp_rpc.open("GET", query, true);
 987                 xmlhttp_rpc.onreadystatechange=dlg_frefresh_callback;
 988                 xmlhttp_rpc.send(null);
 989         }
 990
 991 }
 992
 993 function editArticleTags(id, feed_id, cdm_enabled) {
 994         _tag_active_post_id = id;
 995         _tag_active_feed_id = feed_id;
 996         _tag_active_cdm = cdm_enabled;
 997
 998         cache_invalidate(id);
 999
1000         try {
1001                 _tag_cdm_scroll = document.getElementById("headlinesInnerContainer").scrollTop;
1002         } catch (e) { }
1003         displayDlg('editArticleTags', id);
1004 }
1005
1006
1007 function tag_saved_callback() {
1008         if (xmlhttp_rpc.readyState == 4) {
1009                 try {
1010                         debug("in tag_saved_callback");
1011
1012                         closeInfoBox();
1013                         notify("");
1014
1015                         if (tagsAreDisplayed()) {
1016                                 _reload_feedlist_after_view = true;
1017                         }
1018
1019                         if (!_tag_active_cdm) {
1020                                 if (active_post_id == _tag_active_post_id) {
1021                                         debug("reloading current article");
1022                                         view(_tag_active_post_id, _tag_active_feed_id);
1023                                 }
1024                         } else {
1025                                 debug("reloading current feed");
1026                                 viewCurrentFeed();
1027                         }
1028
1029                 } catch (e) {
1030                         exception_error("catchup_callback", e);
1031                 }
1032         }
1033 }
1034
1035 function editTagsSave() {
1036
1037         if (!xmlhttp_ready(xmlhttp_rpc)) {
1038                 printLockingError();
1039         }
1040
1041         notify_progress("Saving article tags...");
1042
1043         var form = document.forms["tag_edit_form"];
1044
1045         var query = Form.serialize("tag_edit_form");
1046
1047         query = "backend.php?op=rpc&subop=setArticleTags&" + query;
1048
1049         debug(query);
1050
1051         xmlhttp_rpc.open("GET", query, true);
1052         xmlhttp_rpc.onreadystatechange=tag_saved_callback;
1053         xmlhttp_rpc.send(null);
1054
1055 }
1056
1057 function editTagsInsert() {
1058         try {
1059
1060                 var form = document.forms["tag_edit_form"];
1061
1062                 var found_tags = form.found_tags;
1063                 var tags_str = form.tags_str;
1064
1065                 var tag = found_tags[found_tags.selectedIndex].value;
1066
1067                 if (tags_str.value.length > 0 &&
1068                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
1069
1070                         tags_str.value = tags_str.value + ", ";
1071                 }
1072
1073                 tags_str.value = tags_str.value + tag + ", ";
1074
1075                 found_tags.selectedIndex = 0;
1076
1077         } catch (e) {
1078                 exception_error(e, "editTagsInsert");
1079         }
1080 }
1081
1082 function cdmWatchdog() {
1083
1084         try {
1085
1086                 var ctr = document.getElementById("headlinesInnerContainer");
1087
1088                 if (!ctr) return;
1089
1090                 var ids = new Array();
1091
1092                 var e = ctr.firstChild;
1093
1094                 while (e) {
1095                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
1096                                         e.id.match("RROW-")) {
1097
1098                                 // article fits in viewport OR article is longer than viewport and
1099                                 // its bottom is visible
1100
1101                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
1102                                                 ctr.scrollTop + ctr.offsetHeight) {
1103
1104 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
1105 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
1106 //                                              (ctr.scrollTop + ctr.offsetHeight));
1107
1108                                         ids.push(e.id.replace("RROW-", ""));
1109
1110                                 } else if (e.offsetHeight > ctr.offsetHeight &&
1111                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1112                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
1113
1114                                         ids.push(e.id.replace("RROW-", ""));
1115
1116                                 }
1117
1118                                 // method 2: article bottom is visible and is in upper 1/2 of the viewport
1119
1120 /*                              if (e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
1121                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight/2) {
1122
1123                                         ids.push(e.id.replace("RROW-", ""));
1124
1125                                 } */
1126
1127                         }
1128
1129                         e = e.nextSibling;
1130                 }
1131
1132                 debug("cdmWatchdog, ids= " + ids.toString());
1133
1134                 if (ids.length > 0 && xmlhttp_ready(xmlhttp_rpc)) {
1135
1136                         for (var i = 0; i < ids.length; i++) {
1137                                 var e = document.getElementById("RROW-" + ids[i]);
1138                                 if (e) {
1139                                         e.className = e.className.replace("Unread", "");
1140                                 }
1141                         }
1142
1143                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
1144                                 param_escape(ids.toString()) + "&cmode=0";
1145
1146                         xmlhttp_rpc.open("GET", query, true);
1147                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
1148                         xmlhttp_rpc.send(null);
1149
1150                 }
1151
1152                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 4000);
1153
1154         } catch (e) {
1155                 exception_error(e, "cdmWatchdog");
1156         }
1157
1158 }
1159
1160
1161 function cache_inject(id, article) {
1162         if (!cache_check(id)) {
1163                 debug("cache_article: miss: " + id);
1164
1165                 var cache_obj = new Array();
1166
1167                 cache_obj["id"] = id;
1168                 cache_obj["data"] = article;
1169
1170                 article_cache.push(cache_obj);
1171
1172         } else {
1173                 debug("cache_article: hit: " + id);
1174         }
1175 }
1176
1177 function cache_find(id) {
1178         for (var i = 0; i < article_cache.length; i++) {
1179                 if (article_cache[i]["id"] == id) {
1180                         return article_cache[i]["data"];
1181                 }
1182         }
1183         return false;
1184 }
1185
1186 function cache_check(id) {
1187         for (var i = 0; i < article_cache.length; i++) {
1188                 if (article_cache[i]["id"] == id) {
1189                         return true;
1190                 }
1191         }
1192         return false;
1193 }
1194
1195 function cache_expire() {
1196         while (article_cache.length > 20) {
1197                 article_cache.shift();
1198         }
1199 }
1200
1201 function cache_invalidate(id) {
1202         var i = 0
1203
1204         try {
1205
1206                 while (i < article_cache.length) {
1207                         if (article_cache[i]["id"] == id) {
1208                                 debug("cache_invalidate: removed id " + id);
1209                                 article_cache.splice(i, 1);
1210                                 return true;
1211                         }
1212                         i++;
1213                 }
1214                 debug("cache_invalidate: id not found: " + id);
1215                 return false;
1216         } catch (e) {
1217                 exception_error("cache_invalidate", e);
1218         }
1219 }
1220
1221 function getActiveArticleId() {
1222         return active_post_id;
1223 }
1224
1225 function cdmMouseIn(elem) {
1226         try {
1227                 if (elem.id && elem.id.match("RROW-")) {
1228                         var id = elem.id.replace("RROW-", "");
1229                         active_post_id = id;
1230                 }
1231         } catch (e) {
1232                 exception_error("cdmMouseIn", e);
1233         }
1234
1235 }
1236
1237 function cdmMouseOut(elem) {
1238         active_post_id = false;
1239 }
1240
1241 function headlines_scroll_handler() {
1242         try {
1243
1244                 var e = document.getElementById("headlinesInnerContainer");
1245
1246                 if (e.scrollTop + e.offsetHeight > e.scrollHeight - 300) {
1247                         debug("more cowbell!");
1248
1249                         viewNextFeedPage();
1250                 }
1251
1252         } catch (e) {
1253                 exception_error("headlines_scroll_handler", e);
1254         }
1255 }