functions.js

   1 var hotkeys_enabled = true;
   2 var debug_mode_enabled = false;
   3 var xmlhttp_rpc = Ajax.getTransport();
   4
   5 /* add method to remove element from array */
   6
   7 Array.prototype.remove = function(s) {
   8         for (var i=0; i < this.length; i++) {
   9                 if (s == this[i]) this.splice(i, 1);
  10         }
  11 }
  12
  13 function browser_has_opacity() {
  14         return navigator.userAgent.match("Gecko") != null ||
  15                 navigator.userAgent.match("Opera") != null;
  16 }
  17
  18 function is_msie() {
  19         return navigator.userAgent.match("MSIE");
  20 }
  21
  22 function is_opera() {
  23         return navigator.userAgent.match("Opera");
  24 }
  25
  26 function is_khtml() {
  27         return navigator.userAgent.match("KHTML");
  28 }
  29
  30 function is_safari() {
  31         return navigator.userAgent.match("Safari");
  32 }
  33
  34 function exception_error(location, e, silent) {
  35         var msg;
  36
  37         if (e.fileName) {
  38                 var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
  39
  40                 msg = "Exception: " + e.name + ", " + e.message +
  41                         "\nFunction: " + location + "()" +
  42                         "\nLocation: " + base_fname + ":" + e.lineNumber;
  43
  44         } else {
  45                 msg = "Exception: " + e + "\nFunction: " + location + "()";
  46         }
  47
  48         debug("<b>EXCEPTION: " + msg + "</b>");
  49
  50         if (!silent) {
  51                 alert(msg);
  52         }
  53 }
  54
  55 function disableHotkeys() {
  56         hotkeys_enabled = false;
  57 }
  58
  59 function enableHotkeys() {
  60         hotkeys_enabled = true;
  61 }
  62
  63 function xmlhttp_ready(obj) {
  64         return obj.readyState == 4 || obj.readyState == 0 || !obj.readyState;
  65 }
  66
  67 function open_article_callback() {
  68         if (xmlhttp_rpc.readyState == 4) {
  69                 try {
  70
  71                         if (xmlhttp_rpc.responseXML) {
  72                                 var link = xmlhttp_rpc.responseXML.getElementsByTagName("link")[0];
  73                                 var id = xmlhttp_rpc.responseXML.getElementsByTagName("id")[0];
  74
  75                                 if (link) {
  76                                         window.open(link.firstChild.nodeValue, "_blank");
  77
  78                                         if (id) {
  79                                                 id = id.firstChild.nodeValue;
  80                                                 if (!document.getElementById("headlinesList")) {
  81                                                         window.setTimeout("toggleUnread(" + id + ", 0)", 100);
  82                                                 }
  83                                         }
  84                                 }
  85                         }
  86
  87                 } catch (e) {
  88                         exception_error("open_article_callback", e);
  89                 }
  90         }
  91 }
  92
  93 function logout_callback() {
  94         var container = document.getElementById('notify');
  95         if (xmlhttp.readyState == 4) {
  96                 try {
  97                         var date = new Date();
  98                         var timestamp = Math.round(date.getTime() / 1000);
  99                         window.location.href = "tt-rss.php";
 100                 } catch (e) {
 101                         exception_error("logout_callback", e);
 102                 }
 103         }
 104 }
 105
 106 function notify_callback() {
 107         var container = document.getElementById('notify');
 108         if (xmlhttp.readyState == 4) {
 109                 container.innerHTML=xmlhttp.responseText;
 110         }
 111 }
 112
 113 function rpc_notify_callback() {
 114         var container = document.getElementById('notify');
 115         if (xmlhttp_rpc.readyState == 4) {
 116                 container.innerHTML=xmlhttp_rpc.responseText;
 117         }
 118 }
 119
 120 function param_escape(arg) {
 121         if (typeof encodeURIComponent != 'undefined')
 122                 return encodeURIComponent(arg);
 123         else
 124                 return escape(arg);
 125 }
 126
 127 function param_unescape(arg) {
 128         if (typeof decodeURIComponent != 'undefined')
 129                 return decodeURIComponent(arg);
 130         else
 131                 return unescape(arg);
 132 }
 133
 134 function delay(gap) {
 135         var then,now;
 136         then=new Date().getTime();
 137         now=then;
 138         while((now-then)<gap) {
 139                 now=new Date().getTime();
 140         }
 141 }
 142
 143 var notify_hide_timerid = false;
 144
 145 function hide_notify() {
 146         var n = document.getElementById("notify");
 147         if (n) {
 148                 n.style.display = "none";
 149         }
 150 }
 151
 152 function notify_real(msg, no_hide, n_type) {
 153
 154         var n = document.getElementById("notify");
 155         var nb = document.getElementById("notify_body");
 156
 157         if (!n || !nb) return;
 158
 159         if (notify_hide_timerid) {
 160                 window.clearTimeout(notify_hide_timerid);
 161         }
 162
 163         if (msg == "") {
 164                 if (n.style.display == "block") {
 165                         notify_hide_timerid = window.setTimeout("hide_notify()", 0);
 166                 }
 167                 return;
 168         } else {
 169                 n.style.display = "block";
 170         }
 171
 172         /* types:
 173
 174                 1 - generic
 175                 2 - progress
 176                 3 - error
 177                 4 - info
 178
 179         */
 180
 181         if (typeof __ != 'undefined') {
 182                 msg = __(msg);
 183         }
 184
 185         if (n_type == 1) {
 186                 n.className = "notify";
 187         } else if (n_type == 2) {
 188                 n.className = "notifyProgress";
 189                 msg = "<img src='images/indicator_white.gif'> " + msg;
 190         } else if (n_type == 3) {
 191                 n.className = "notifyError";
 192                 msg = "<img src='images/sign_excl.png'> " + msg;
 193         } else if (n_type == 4) {
 194                 n.className = "notifyInfo";
 195                 msg = "<img src='images/sign_info.png'> " + msg;
 196         }
 197
 198 //      msg = "<img src='images/live_com_loading.gif'> " + msg;
 199
 200         nb.innerHTML = msg;
 201
 202         if (!no_hide) {
 203                 notify_hide_timerid = window.setTimeout("hide_notify()", 3000);
 204         }
 205 }
 206
 207 function notify(msg, no_hide) {
 208         notify_real(msg, no_hide, 1);
 209 }
 210
 211 function notify_progress(msg, no_hide) {
 212         notify_real(msg, no_hide, 2);
 213 }
 214
 215 function notify_error(msg, no_hide) {
 216         notify_real(msg, no_hide, 3);
 217
 218 }
 219
 220 function notify_info(msg, no_hide) {
 221         notify_real(msg, no_hide, 4);
 222 }
 223
 224 function printLockingError() {
 225         notify_info("Please wait until operation finishes.");
 226 }
 227
 228 function hotkey_handler(e) {
 229
 230         try {
 231
 232                 var keycode;
 233                 var shift_key = false;
 234
 235                 try {
 236                         shift_key = e.shiftKey;
 237                 } catch (e) {
 238
 239                 }
 240
 241                 if (!hotkeys_enabled) return;
 242
 243                 if (window.event) {
 244                         keycode = window.event.keyCode;
 245                 } else if (e) {
 246                         keycode = e.which;
 247                 }
 248
 249                 if (keycode == 82) { // r
 250                         return scheduleFeedUpdate(true);
 251                 }
 252
 253                 if (keycode == 83) { // s
 254                         return displayDlg("search", getActiveFeedId());
 255                 }
 256
 257                 if (keycode == 85) { // u
 258                         if (getActiveFeedId()) {
 259                                 return viewfeed(getActiveFeedId(), "ForceUpdate");
 260                         }
 261                 }
 262
 263                 if (keycode == 65) { // a
 264                         return toggleDispRead();
 265                 }
 266
 267                 var feedlist = document.getElementById('feedList');
 268
 269                 if (keycode == 74) { // j
 270                         var feed = getActiveFeedId();
 271                         var new_feed = getRelativeFeedId(feedlist, feed, 'prev');
 272                         if (new_feed) viewfeed(new_feed, '');
 273                 }
 274
 275                 if (keycode == 75) { // k
 276                         var feed = getActiveFeedId();
 277                         var new_feed = getRelativeFeedId(feedlist, feed, 'next');
 278                         if (new_feed) viewfeed(new_feed, '');
 279                 }
 280
 281                 if (keycode == 78 || keycode == 40) { // n, down
 282                         if (typeof moveToPost != 'undefined') {
 283                                 return moveToPost('next');
 284                         }
 285                 }
 286
 287                 if (keycode == 80 || keycode == 38) { // p, up
 288                         if (typeof moveToPost != 'undefined') {
 289                                 return moveToPost('prev');
 290                         }
 291                 }
 292
 293                 if (keycode == 68 && shift_key) { // d
 294                         if (!debug_mode_enabled) {
 295                                 document.getElementById('debug_output').style.display = 'block';
 296                                 debug('debug mode activated');
 297                         } else {
 298                                 document.getElementById('debug_output').style.display = 'none';
 299                         }
 300
 301                         debug_mode_enabled = !debug_mode_enabled;
 302                 }
 303
 304                 if (keycode == 190 && shift_key) { // >
 305                         viewFeedGoPage(1);
 306                 }
 307
 308                 if (keycode == 188 && shift_key) { // <
 309                         viewFeedGoPage(-1);
 310                 }
 311
 312                 if (keycode == 191 && shift_key) { // ?
 313                         viewFeedGoPage(0);
 314                 }
 315
 316                 if (keycode == 69 && shift_key) { // e
 317                         return editFeedDlg(getActiveFeedId());
 318                 }
 319
 320                 if (keycode == 70 && shift_key) { // f
 321                         if (getActiveFeedId()) {
 322                                 return catchupCurrentFeed();
 323                         }
 324                 }
 325
 326                 if (keycode == 80 && shift_key) { // p
 327                         if (getActiveFeedId()) {
 328                                 return catchupPage();
 329                         }
 330                 }
 331
 332                 if (keycode == 86) { // v
 333                         if (getActiveArticleId()) {
 334                                 openArticleInNewWindow(getActiveArticleId());
 335                         }
 336                 }
 337
 338                 if (typeof localHotkeyHandler != 'undefined') {
 339                         try {
 340                                 return localHotkeyHandler(e);
 341                         } catch (e) {
 342                                 exception_error("hotkey_handler, local:", e);
 343                         }
 344                 }
 345
 346                 debug("KP=" + keycode);
 347         } catch (e) {
 348                 exception_error("hotkey_handler", e);
 349         }
 350 }
 351
 352 function cleanSelectedList(element) {
 353         var content = document.getElementById(element);
 354
 355         if (!document.getElementById("feedCatHolder")) {
 356                 for (i = 0; i < content.childNodes.length; i++) {
 357                         var child = content.childNodes[i];
 358                         try {
 359                                 child.className = child.className.replace("Selected", "");
 360                         } catch (e) {
 361                                 //
 362                         }
 363                 }
 364         } else {
 365                 for (i = 0; i < content.childNodes.length; i++) {
 366                         var child = content.childNodes[i];
 367                         if (child.id == "feedCatHolder") {
 368                                 debug(child.id);
 369                                 var fcat = child.lastChild;
 370                                 for (j = 0; j < fcat.childNodes.length; j++) {
 371                                         var feed = fcat.childNodes[j];
 372                                         feed.className = feed.className.replace("Selected", "");
 373                                 }
 374                         }
 375                 }
 376         }
 377 }
 378
 379
 380 function cleanSelected(element) {
 381         var content = document.getElementById(element);
 382
 383         for (i = 0; i < content.rows.length; i++) {
 384                 content.rows[i].className = content.rows[i].className.replace("Selected", "");
 385         }
 386 }
 387
 388 function getVisibleUnreadHeadlines() {
 389         var content = document.getElementById("headlinesList");
 390
 391         var rows = new Array();
 392
 393         for (i = 0; i < content.rows.length; i++) {
 394                 var row_id = content.rows[i].id.replace("RROW-", "");
 395                 if (row_id.length > 0 && content.rows[i].className.match("Unread")) {
 396                                 rows.push(row_id);
 397                 }
 398         }
 399         return rows;
 400 }
 401
 402 function getVisibleHeadlineIds() {
 403
 404         var content = document.getElementById("headlinesList");
 405
 406         var rows = new Array();
 407
 408         for (i = 0; i < content.rows.length; i++) {
 409                 var row_id = content.rows[i].id.replace("RROW-", "");
 410                 if (row_id.length > 0) {
 411                                 rows.push(row_id);
 412                 }
 413         }
 414         return rows;
 415 }
 416
 417 function getFirstVisibleHeadlineId() {
 418         var rows = getVisibleHeadlineIds();
 419         return rows[0];
 420 }
 421
 422 function getLastVisibleHeadlineId() {
 423         var rows = getVisibleHeadlineIds();
 424         return rows[rows.length-1];
 425 }
 426
 427 function markHeadline(id) {
 428         var row = document.getElementById("RROW-" + id);
 429         if (row) {
 430                 var is_active = false;
 431
 432                 if (row.className.match("Active")) {
 433                         is_active = true;
 434                 }
 435                 row.className = row.className.replace("Selected", "");
 436                 row.className = row.className.replace("Active", "");
 437                 row.className = row.className.replace("Insensitive", "");
 438
 439                 if (is_active) {
 440                         row.className = row.className = "Active";
 441                 }
 442
 443                 var check = document.getElementById("RCHK-" + id);
 444
 445                 if (check) {
 446                         check.checked = true;
 447                 }
 448
 449                 row.className = row.className + "Selected";
 450
 451         }
 452 }
 453
 454 function getFeedIds() {
 455         var content = document.getElementById("feedsList");
 456
 457         var rows = new Array();
 458
 459         for (i = 0; i < content.rows.length; i++) {
 460                 var id = content.rows[i].id.replace("FEEDR-", "");
 461                 if (id.length > 0) {
 462                         rows.push(id);
 463                 }
 464         }
 465
 466         return rows;
 467 }
 468
 469 function setCookie(name, value, lifetime, path, domain, secure) {
 470
 471         var d = false;
 472
 473         if (lifetime) {
 474                 d = new Date();
 475                 d.setTime(d.getTime() + (lifetime * 1000));
 476         }
 477
 478         debug("setCookie: " + name + " => " + value + ": " + d);
 479
 480         int_setCookie(name, value, d, path, domain, secure);
 481
 482 }
 483
 484 function int_setCookie(name, value, expires, path, domain, secure) {
 485         document.cookie= name + "=" + escape(value) +
 486                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 487                 ((path) ? "; path=" + path : "") +
 488                 ((domain) ? "; domain=" + domain : "") +
 489                 ((secure) ? "; secure" : "");
 490 }
 491
 492 function delCookie(name, path, domain) {
 493         if (getCookie(name)) {
 494                 document.cookie = name + "=" +
 495                 ((path) ? ";path=" + path : "") +
 496                 ((domain) ? ";domain=" + domain : "" ) +
 497                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 498         }
 499 }
 500
 501
 502 function getCookie(name) {
 503
 504         var dc = document.cookie;
 505         var prefix = name + "=";
 506         var begin = dc.indexOf("; " + prefix);
 507         if (begin == -1) {
 508             begin = dc.indexOf(prefix);
 509             if (begin != 0) return null;
 510         }
 511         else {
 512             begin += 2;
 513         }
 514         var end = document.cookie.indexOf(";", begin);
 515         if (end == -1) {
 516             end = dc.length;
 517         }
 518         return unescape(dc.substring(begin + prefix.length, end));
 519 }
 520
 521 function disableContainerChildren(id, disable, doc) {
 522
 523         if (!doc) doc = document;
 524
 525         var container = doc.getElementById(id);
 526
 527         if (!container) {
 528                 //alert("disableContainerChildren: element " + id + " not found");
 529                 return;
 530         }
 531
 532         for (var i = 0; i < container.childNodes.length; i++) {
 533                 var child = container.childNodes[i];
 534
 535                 try {
 536                         child.disabled = disable;
 537                 } catch (E) {
 538
 539                 }
 540
 541                 if (disable) {
 542                         if (child.className && child.className.match("button")) {
 543                                 child.className = "disabledButton";
 544                         }
 545                 } else {
 546                         if (child.className && child.className.match("disabledButton")) {
 547                                 child.className = "button";
 548                         }
 549                 }
 550         }
 551
 552 }
 553
 554 function gotoPreferences() {
 555         document.location.href = "prefs.php";
 556 }
 557
 558 function gotoMain() {
 559         document.location.href = "tt-rss.php";
 560 }
 561
 562 function gotoExportOpml() {
 563         document.location.href = "opml.php?op=Export";
 564 }
 565
 566 function getActiveFeedId() {
 567 //      return getCookie("ttrss_vf_actfeed");
 568         try {
 569                 debug("gAFID: " + active_feed_id);
 570                 return active_feed_id;
 571         } catch (e) {
 572                 exception_error("getActiveFeedId", e);
 573         }
 574 }
 575
 576 function activeFeedIsCat() {
 577         return active_feed_is_cat;
 578 }
 579
 580 function setActiveFeedId(id) {
 581 //      return setCookie("ttrss_vf_actfeed", id);
 582         try {
 583                 debug("sAFID(" + id + ")");
 584                 active_feed_id = id;
 585         } catch (e) {
 586                 exception_error("setActiveFeedId", e);
 587         }
 588 }
 589
 590 function parse_counters(reply, scheduled_call) {
 591         try {
 592
 593                 var feeds_found = 0;
 594
 595                 if (reply.firstChild && reply.firstChild.firstChild) {
 596                         debug("<b>wrong element passed to parse_counters, adjusting.</b>");
 597                         reply = reply.firstChild;
 598                 }
 599
 600                 for (var l = 0; l < reply.childNodes.length; l++) {
 601                         if (!reply.childNodes[l] ||
 602                                 typeof(reply.childNodes[l].getAttribute) == "undefined") {
 603                                 // where did this come from?
 604                                 continue;
 605                         }
 606
 607                         var id = reply.childNodes[l].getAttribute("id");
 608                         var t = reply.childNodes[l].getAttribute("type");
 609                         var ctr = reply.childNodes[l].getAttribute("counter");
 610                         var error = reply.childNodes[l].getAttribute("error");
 611                         var has_img = reply.childNodes[l].getAttribute("hi");
 612                         var updated = reply.childNodes[l].getAttribute("updated");
 613
 614                         if (id == "global-unread") {
 615                                 global_unread = ctr;
 616                                 updateTitle();
 617                                 continue;
 618                         }
 619
 620                         if (id == "subscribed-feeds") {
 621                                 feeds_found = ctr;
 622                                 continue;
 623                         }
 624
 625                         if (t == "category") {
 626                                 var catctr = document.getElementById("FCATCTR-" + id);
 627                                 if (catctr) {
 628                                         catctr.innerHTML = "(" + ctr + ")";
 629                                         if (ctr > 0) {
 630                                                 catctr.className = "catCtrHasUnread";
 631                                         } else {
 632                                                 catctr.className = "catCtrNoUnread";
 633                                         }
 634                                 }
 635                                 continue;
 636                         }
 637
 638                         var feedctr = document.getElementById("FEEDCTR-" + id);
 639                         var feedu = document.getElementById("FEEDU-" + id);
 640                         var feedr = document.getElementById("FEEDR-" + id);
 641                         var feed_img = document.getElementById("FIMG-" + id);
 642                         var feedlink = document.getElementById("FEEDL-" + id);
 643                         var feedupd = document.getElementById("FLUPD-" + id);
 644
 645                         if (updated && feedlink) {
 646                                 if (error) {
 647                                         feedlink.title = "Error: " + error + " (" + updated + ")";
 648                                 } else {
 649                                         feedlink.title = "Updated: " + updated;
 650                                 }
 651                         }
 652
 653                         if (updated && feedupd) {
 654                                 if (error) {
 655                                         feedupd.innerHTML = updated + " (Error)";
 656                                 } else {
 657                                         feedupd.innerHTML = updated;
 658                                 }
 659                         }
 660
 661                         if (feedctr && feedu && feedr) {
 662
 663                                 if (feedu.innerHTML != ctr && id == getActiveFeedId() && scheduled_call) {
 664                                         viewCurrentFeed();
 665                                 }
 666
 667                                 feedu.innerHTML = ctr;
 668
 669                                 if (error) {
 670                                         feedr.className = feedr.className.replace("feed", "error");
 671                                 } else if (id > 0) {
 672                                         feedr.className = feedr.className.replace("error", "feed");
 673                                 }
 674
 675                                 if (ctr > 0) {
 676                                         feedctr.className = "odd";
 677                                         if (!feedr.className.match("Unread")) {
 678                                                 var is_selected = feedr.className.match("Selected");
 679
 680                                                 feedr.className = feedr.className.replace("Selected", "");
 681                                                 feedr.className = feedr.className.replace("Unread", "");
 682
 683                                                 feedr.className = feedr.className + "Unread";
 684
 685                                                 if (is_selected) {
 686                                                         feedr.className = feedr.className + "Selected";
 687                                                 }
 688
 689                                         }
 690                                 } else {
 691                                         feedctr.className = "invisible";
 692                                         feedr.className = feedr.className.replace("Unread", "");
 693                                 }
 694                         }
 695                 }
 696
 697                 hideOrShowFeeds(document, getInitParam("hide_read_feeds") == 1);
 698
 699                 var feeds_stored = number_of_feeds;
 700
 701                 debug("Feed counters, C: " + feeds_found + ", S:" + feeds_stored);
 702
 703                 if (feeds_stored != feeds_found) {
 704                         number_of_feeds = feeds_found;
 705
 706                         if (feeds_stored != 0) {
 707                                 debug("Subscribed feed number changed, refreshing feedlist");
 708                                 setTimeout('updateFeedList(false, false)', 50);
 709                         }
 710                 }
 711
 712         } catch (e) {
 713                 exception_error("parse_counters", e);
 714         }
 715 }
 716
 717 function parse_counters_reply(xmlhttp, scheduled_call) {
 718
 719         if (!xmlhttp.responseXML) {
 720                 notify_error("Backend did not return valid XML", true);
 721                 return;
 722         }
 723
 724         var reply = xmlhttp.responseXML.firstChild;
 725
 726         if (!reply) {
 727                 notify_error("Backend did not return expected XML object", true);
 728                 updateTitle("");
 729                 return;
 730         }
 731
 732         var error_code = false;
 733         var error_msg = false;
 734
 735         if (reply.firstChild) {
 736                 error_code = reply.firstChild.getAttribute("error-code");
 737                 error_msg = reply.firstChild.getAttribute("error-msg");
 738         }
 739
 740         if (!error_code) {
 741                 error_code = reply.getAttribute("error-code");
 742                 error_msg = reply.getAttribute("error-msg");
 743         }
 744
 745         if (error_code && error_code != 0) {
 746                 debug("refetch_callback: got error code " + error_code);
 747                 return fatalError(error_code, error_msg);
 748         }
 749
 750         var counters = reply.firstChild;
 751
 752         parse_counters(counters, scheduled_call);
 753
 754         var runtime_info = counters.nextSibling;
 755
 756         parse_runtime_info(runtime_info);
 757
 758         if (getInitParam("feeds_sort_by_unread") == 1) {
 759                         resort_feedlist();
 760         }
 761
 762         hideOrShowFeeds(document, getInitParam("hide_read_feeds") == 1);
 763
 764 }
 765
 766 function all_counters_callback() {
 767         if (xmlhttp_rpc.readyState == 4) {
 768                 try {
 769 /*                      if (!xmlhttp_rpc.responseXML || !xmlhttp_rpc.responseXML.firstChild) {
 770                                 debug("[all_counters_callback] backend did not return valid XML");
 771                                 return;
 772                         }
 773
 774                         debug("in all_counters_callback : " + xmlhttp_rpc.responseXML);
 775
 776                         var reply = xmlhttp_rpc.responseXML.firstChild;
 777
 778                         var counters = reply.firstChild;
 779
 780                         parse_counters(counters);
 781
 782                         var runtime = counters.nextSibling;
 783
 784                         if (runtime) {
 785                                 parse_runtime_info(runtime);
 786                         }
 787
 788                         if (getInitParam("feeds_sort_by_unread") == 1) {
 789                                 resort_feedlist();
 790                         }
 791
 792                         hideOrShowFeeds(document, getInitParam("hide_read_feeds") == 1); */
 793
 794                         debug("in all_counters_callback");
 795
 796                         parse_counters_reply(xmlhttp_rpc);
 797
 798                 } catch (e) {
 799                         exception_error("all_counters_callback", e);
 800                 }
 801         }
 802 }
 803
 804 function get_feed_entry_unread(doc, elem) {
 805
 806         var id = elem.id.replace("FEEDR-", "");
 807
 808         if (id <= 0) {
 809                 return -1;
 810         }
 811
 812         try {
 813                 return parseInt(doc.getElementById("FEEDU-" + id).innerHTML);
 814         } catch (e) {
 815                 return -1;
 816         }
 817 }
 818
 819 function resort_category(doc, node) {
 820         debug("resort_category: " + node);
 821
 822         if (node.hasChildNodes() && node.firstChild.nextSibling != false) {
 823                 for (i = 0; i < node.childNodes.length; i++) {
 824                         if (node.childNodes[i].nodeName != "LI") { continue; }
 825
 826                         if (get_feed_entry_unread(doc, node.childNodes[i]) < 0) {
 827                                 continue;
 828                         }
 829
 830                         for (j = i+1; j < node.childNodes.length; j++) {
 831                                 if (node.childNodes[j].nodeName != "LI") { continue; }
 832
 833                                 var tmp_val = get_feed_entry_unread(doc, node.childNodes[i]);
 834                                 var cur_val = get_feed_entry_unread(doc, node.childNodes[j]);
 835
 836                                 if (cur_val > tmp_val) {
 837                                         tempnode_i = node.childNodes[i].cloneNode(true);
 838                                         tempnode_j = node.childNodes[j].cloneNode(true);
 839                                         node.replaceChild(tempnode_i, node.childNodes[j]);
 840                                         node.replaceChild(tempnode_j, node.childNodes[i]);
 841                                 }
 842                         }
 843
 844                 }
 845         }
 846
 847 }
 848
 849 function resort_feedlist() {
 850         debug("resort_feedlist");
 851
 852         var fd = document;
 853
 854         if (fd.getElementById("feedCatHolder")) {
 855
 856                 var feeds = fd.getElementById("feedList");
 857                 var child = feeds.firstChild;
 858
 859                 while (child) {
 860
 861                         if (child.id == "feedCatHolder") {
 862                                 resort_category(fd, child.firstChild);
 863                         }
 864
 865                         child = child.nextSibling;
 866                 }
 867
 868         } else {
 869                 resort_category(fd, fd.getElementById("feedList"));
 870         }
 871 }
 872
 873 function update_all_counters(feed) {
 874         if (xmlhttp_ready(xmlhttp_rpc)) {
 875                 var query = "backend.php?op=rpc&subop=getAllCounters";
 876
 877                 if (feed > 0) {
 878                         query = query + "&aid=" + feed;
 879                 }
 880
 881                 if (tagsAreDisplayed()) {
 882                         query = query + "&omode=lt";
 883                 } else {
 884                         query = query + "&omode=flc";
 885                 }
 886
 887                 debug("update_all_counters QUERY: " + query);
 888
 889                 var date = new Date();
 890                 var timestamp = Math.round(date.getTime() / 1000);
 891                 query = query + "&ts=" + timestamp
 892
 893                 xmlhttp_rpc.open("GET", query, true);
 894                 xmlhttp_rpc.onreadystatechange=all_counters_callback;
 895                 xmlhttp_rpc.send(null);
 896         }
 897 }
 898
 899 function popupHelp(tid) {
 900         var w = window.open("backend.php?op=help&tid=" + tid,
 901                 "Popup Help",
 902                 "menubar=no,location=no,resizable=yes,scrollbars=yes,status=no");
 903 }
 904
 905 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 906   * * @author Sundar Dorai-Raj
 907   * * Email: sdoraira@vt.edu
 908   * * This program is free software; you can redistribute it and/or
 909   * * modify it under the terms of the GNU General Public License
 910   * * as published by the Free Software Foundation; either version 2
 911   * * of the License, or (at your option) any later version,
 912   * * provided that any use properly credits the author.
 913   * * This program is distributed in the hope that it will be useful,
 914   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 915   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 916   * * GNU General Public License for more details at http://www.gnu.org * * */
 917
 918   var numbers=".0123456789";
 919   function isNumeric(x) {
 920     // is x a String or a character?
 921     if(x.length>1) {
 922       // remove negative sign
 923       x=Math.abs(x)+"";
 924       for(j=0;j<x.length;j++) {
 925         // call isNumeric recursively for each character
 926         number=isNumeric(x.substring(j,j+1));
 927         if(!number) return number;
 928       }
 929       return number;
 930     }
 931     else {
 932       // if x is number return true
 933       if(numbers.indexOf(x)>=0) return true;
 934       return false;
 935     }
 936   }
 937
 938
 939 function hideOrShowFeeds(doc, hide) {
 940
 941         debug("hideOrShowFeeds: " + doc + ", " + hide);
 942
 943         var fd = document;
 944
 945         var list = fd.getElementById("feedList");
 946
 947         if (fd.getElementById("feedCatHolder")) {
 948
 949                 var feeds = fd.getElementById("feedList");
 950                 var child = feeds.firstChild;
 951
 952                 while (child) {
 953
 954                         if (child.id == "feedCatHolder") {
 955                                 hideOrShowFeedsCategory(fd, child.firstChild, hide, child.previousSibling);
 956                         }
 957
 958                         child = child.nextSibling;
 959                 }
 960
 961         } else {
 962                 hideOrShowFeedsCategory(fd, fd.getElementById("feedList"), hide);
 963         }
 964 }
 965
 966 function hideOrShowFeedsCategory(doc, node, hide, cat_node) {
 967
 968 //      debug("hideOrShowFeedsCategory: " + node + " (" + hide + ")");
 969
 970         var cat_unread = 0;
 971
 972         if (!node) {
 973                 debug("hideOrShowFeeds: passed node is null, aborting");
 974                 return;
 975         }
 976
 977         if (node.hasChildNodes() && node.firstChild.nextSibling != false) {
 978                 for (i = 0; i < node.childNodes.length; i++) {
 979                         if (node.childNodes[i].nodeName != "LI") { continue; }
 980
 981                         if (node.childNodes[i].style != undefined) {
 982
 983                                 var has_unread = (node.childNodes[i].className != "feed" &&
 984                                         node.childNodes[i].className != "tag");
 985
 986         //                      debug(node.childNodes[i].id + " --> " + has_unread);
 987
 988                                 if (hide && !has_unread) {
 989                                         node.childNodes[i].style.display = "none";
 990                                 }
 991
 992                                 if (!hide) {
 993                                         node.childNodes[i].style.display = "list-item";
 994                                 }
 995
 996                                 if (has_unread) {
 997                                         node.childNodes[i].style.display = "list-item";
 998                                         cat_unread++;
 999                                 }
1000                         }
1001                 }
1002         }
1003
1004         if (cat_unread == 0) {
1005                 if (cat_node.style == undefined) {
1006                         debug("ERROR: supplied cat_node " + cat_node +
1007                                 " has no styles. WTF?");
1008                         return;
1009                 }
1010                 if (hide) {
1011                         cat_node.style.display = "none";
1012                 } else {
1013                         cat_node.style.display = "list-item";
1014                 }
1015         } else {
1016                 try {
1017                         cat_node.style.display = "list-item";
1018                 } catch (e) {
1019                         debug(e);
1020                 }
1021         }
1022
1023 //      debug("unread for category: " + cat_unread);
1024 }
1025
1026 function selectTableRow(r, do_select) {
1027         r.className = r.className.replace("Selected", "");
1028
1029         if (do_select) {
1030                 r.className = r.className + "Selected";
1031         }
1032 }
1033
1034 function selectTableRowById(elem_id, check_id, do_select) {
1035
1036         try {
1037
1038                 var row = document.getElementById(elem_id);
1039
1040                 if (row) {
1041                         selectTableRow(row, do_select);
1042                 }
1043
1044                 var check = document.getElementById(check_id);
1045
1046                 if (check) {
1047                         check.checked = do_select;
1048                 }
1049         } catch (e) {
1050                 exception_error("selectTableRowById", e);
1051         }
1052 }
1053
1054 function selectTableRowsByIdPrefix(content_id, prefix, check_prefix, do_select,
1055         classcheck, reset_others) {
1056
1057         var content = document.getElementById(content_id);
1058
1059         if (!content) {
1060                 alert("[selectTableRows] Element " + content_id + " not found.");
1061                 return;
1062         }
1063
1064         for (i = 0; i < content.rows.length; i++) {
1065                 if (!classcheck || content.rows[i].className.match(classcheck)) {
1066
1067                         if (content.rows[i].id.match(prefix)) {
1068                                 selectTableRow(content.rows[i], do_select);
1069
1070                                 var row_id = content.rows[i].id.replace(prefix, "");
1071                                 var check = document.getElementById(check_prefix + row_id);
1072
1073                                 if (check) {
1074                                         check.checked = do_select;
1075                                 }
1076                         } else if (reset_others) {
1077                                 selectTableRow(content.rows[i], false);
1078
1079                                 var row_id = content.rows[i].id.replace(prefix, "");
1080                                 var check = document.getElementById(check_prefix + row_id);
1081
1082                                 if (check) {
1083                                         check.checked = false;
1084                                 }
1085
1086                         }
1087                 } else if (reset_others) {
1088                         selectTableRow(content.rows[i], false);
1089
1090                         var row_id = content.rows[i].id.replace(prefix, "");
1091                         var check = document.getElementById(check_prefix + row_id);
1092
1093                         if (check) {
1094                                 check.checked = false;
1095                         }
1096
1097                 }
1098         }
1099 }
1100
1101 function getSelectedTableRowIds(content_id, prefix) {
1102
1103         var content = document.getElementById(content_id);
1104
1105         if (!content) {
1106                 alert("[getSelectedTableRowIds] Element " + content_id + " not found.");
1107                 return;
1108         }
1109
1110         var sel_rows = new Array();
1111
1112         for (i = 0; i < content.rows.length; i++) {
1113                 if (content.rows[i].id.match(prefix) &&
1114                                 content.rows[i].className.match("Selected")) {
1115
1116                         var row_id = content.rows[i].id.replace(prefix + "-", "");
1117                         sel_rows.push(row_id);
1118                 }
1119         }
1120
1121         return sel_rows;
1122
1123 }
1124
1125 function toggleSelectRowById(sender, id) {
1126         var row = document.getElementById(id);
1127
1128         if (sender.checked) {
1129                 if (!row.className.match("Selected")) {
1130                         row.className = row.className + "Selected";
1131                 }
1132         } else {
1133                 if (row.className.match("Selected")) {
1134                         row.className = row.className.replace("Selected", "");
1135                 }
1136         }
1137 }
1138
1139 function toggleSelectListRow(sender) {
1140         var parent_row = sender.parentNode;
1141
1142         if (sender.checked) {
1143                 if (!parent_row.className.match("Selected")) {
1144                         parent_row.className = parent_row.className + "Selected";
1145                 }
1146         } else {
1147                 if (parent_row.className.match("Selected")) {
1148                         parent_row.className = parent_row.className.replace("Selected", "");
1149                 }
1150         }
1151 }
1152
1153 function tSR(sender) {
1154         return toggleSelectRow(sender);
1155 }
1156
1157 function toggleSelectRow(sender) {
1158         var parent_row = sender.parentNode.parentNode;
1159
1160         if (sender.checked) {
1161                 if (!parent_row.className.match("Selected")) {
1162                         parent_row.className = parent_row.className + "Selected";
1163                 }
1164         } else {
1165                 if (parent_row.className.match("Selected")) {
1166                         parent_row.className = parent_row.className.replace("Selected", "");
1167                 }
1168         }
1169 }
1170
1171 function openExternalUrl(url) {
1172         var w = window.open(url);
1173 }
1174
1175 function getRelativeFeedId(list, id, direction, unread_only) {
1176         if (!id) {
1177                 if (direction == "next") {
1178                         for (i = 0; i < list.childNodes.length; i++) {
1179                                 var child = list.childNodes[i];
1180                                 if (child.id && child.id == "feedCatHolder") {
1181                                         if (child.lastChild) {
1182                                                 var cr = getRelativeFeedId(child.firstChild, id, direction, unread_only);
1183                                                 if (cr) return cr;
1184                                         }
1185                                 } else if (child.id && child.id.match("FEEDR-")) {
1186                                         return child.id.replace('FEEDR-', '');
1187                                 }
1188                         }
1189                 }
1190
1191                 // FIXME select last feed doesn't work when only unread feeds are visible
1192
1193                 if (direction == "prev") {
1194                         for (i = list.childNodes.length-1; i >= 0; i--) {
1195                                 var child = list.childNodes[i];
1196                                 if (child.id == "feedCatHolder" && child.className != "invisible") {
1197                                         if (child.firstChild) {
1198                                                 var cr = getRelativeFeedId(child.firstChild, id, direction);
1199                                                 if (cr) return cr;
1200                                         }
1201                                 } else if (child.id.match("FEEDR-")) {
1202
1203                                         if (getInitParam("hide_read_feeds") == 1) {
1204                                                 if (child.className != "feed") {
1205 //                                                      alert(child.className);
1206                                                         return child.id.replace('FEEDR-', '');
1207                                                 }
1208                                         } else {
1209                                                         return child.id.replace('FEEDR-', '');
1210                                         }
1211                                 }
1212                         }
1213                 }
1214         } else {
1215
1216                 var feed = list.ownerDocument.getElementById("FEEDR-" + id);
1217
1218                 if (getInitParam("hide_read_feeds") == 1) {
1219                         unread_only = true;
1220                 }
1221
1222                 if (direction == "next") {
1223
1224                         var e = feed;
1225
1226                         while (e) {
1227
1228                                 if (e.nextSibling) {
1229
1230                                         e = e.nextSibling;
1231
1232                                 } else if (e.parentNode.parentNode.nextSibling) {
1233
1234                                         var this_cat = e.parentNode.parentNode;
1235
1236                                         e = false;
1237
1238                                         if (this_cat && this_cat.nextSibling) {
1239                                                 while (!e && this_cat.nextSibling) {
1240                                                         this_cat = this_cat.nextSibling;
1241                                                         if (this_cat.id == "feedCatHolder") {
1242                                                                 e = this_cat.firstChild.firstChild;
1243                                                         }
1244                                                 }
1245                                         }
1246
1247                                 } else {
1248                                         e = false;
1249                            }
1250
1251                                 if (e) {
1252                                         if (!unread_only || (unread_only && e.className != "feed" &&
1253                                                         e.className.match("feed")))     {
1254                                                 if (e.parentNode.parentNode && e.parentNode.parentNode.className
1255                                                         != "invisible") {
1256                                                         return e.id.replace("FEEDR-", "");
1257                                                 }
1258                                         }
1259                                 }
1260                         }
1261
1262                 } else if (direction == "prev") {
1263
1264                         var e = feed;
1265
1266                         while (e) {
1267
1268                                 if (e.previousSibling) {
1269
1270                                         e = e.previousSibling;
1271
1272                                 } else if (e.parentNode.parentNode.previousSibling) {
1273
1274                                         var this_cat = e.parentNode.parentNode;
1275
1276                                         e = false;
1277
1278                                         if (this_cat && this_cat.previousSibling) {
1279                                                 while (!e && this_cat.previousSibling) {
1280                                                         this_cat = this_cat.previousSibling;
1281                                                         if (this_cat.id == "feedCatHolder") {
1282                                                                 e = this_cat.firstChild.lastChild;
1283                                                         }
1284                                                 }
1285                                         }
1286
1287                                 } else {
1288                                         e = false;
1289                            }
1290
1291                                 if (e) {
1292                                         if (!unread_only || (unread_only && e.className != "feed" &&
1293                                                         e.className.match("feed")))     {
1294                                                 if (e.parentNode.parentNode && e.parentNode.parentNode.className
1295                                                         != "invisible") {
1296                                                         return e.id.replace("FEEDR-", "");
1297                                                 }
1298                                         }
1299                                 }
1300                         }
1301                 }
1302         }
1303 }
1304
1305 function showBlockElement(id, h_id) {
1306         var elem = document.getElementById(id);
1307
1308         if (elem) {
1309                 elem.style.display = "block";
1310
1311                 if (h_id) {
1312                         elem = document.getElementById(h_id);
1313                         if (elem) {
1314                                 elem.style.display = "none";
1315                         }
1316                 }
1317         } else {
1318                 alert("[showBlockElement] can't find element with id " + id);
1319         }
1320 }
1321
1322 function hideParentElement(e) {
1323         e.parentNode.style.display = "none";
1324 }
1325
1326 function dropboxSelect(e, v) {
1327         for (i = 0; i < e.length; i++) {
1328                 if (e[i].value == v) {
1329                         e.selectedIndex = i;
1330                         break;
1331                 }
1332         }
1333 }
1334
1335 // originally stolen from http://www.11tmr.com/11tmr.nsf/d6plinks/MWHE-695L9Z
1336 // bugfixed just a little bit :-)
1337 function getURLParam(strParamName){
1338   var strReturn = "";
1339   var strHref = window.location.href;
1340
1341   if (strHref.indexOf("#") == strHref.length-1) {
1342                 strHref = strHref.substring(0, strHref.length-1);
1343   }
1344
1345   if ( strHref.indexOf("?") > -1 ){
1346     var strQueryString = strHref.substr(strHref.indexOf("?"));
1347     var aQueryString = strQueryString.split("&");
1348     for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
1349       if (aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
1350         var aParam = aQueryString[iParam].split("=");
1351         strReturn = aParam[1];
1352         break;
1353       }
1354     }
1355   }
1356   return strReturn;
1357 }
1358
1359 function leading_zero(p) {
1360         var s = String(p);
1361         if (s.length == 1) s = "0" + s;
1362         return s;
1363 }
1364
1365 function closeInfoBox(cleanup) {
1366
1367         if (!is_msie() && !getInitParam("infobox_disable_overlay")) {
1368                 var overlay = document.getElementById("dialog_overlay");
1369                 if (overlay) {
1370                         overlay.style.display = "none";
1371                 }
1372         }
1373
1374         var box = document.getElementById('infoBox');
1375         var shadow = document.getElementById('infoBoxShadow');
1376
1377         if (shadow) {
1378                 shadow.style.display = "none";
1379         } else if (box) {
1380                 box.style.display = "none";
1381         }
1382
1383         if (cleanup) box.innerHTML = "&nbsp;";
1384
1385         enableHotkeys();
1386
1387         return false;
1388 }
1389
1390
1391 function displayDlg(id, param) {
1392
1393         if (!xmlhttp_ready(xmlhttp)) {
1394                 printLockingError();
1395                 return
1396         }
1397
1398         notify_progress("Loading, please wait...", true);
1399
1400         xmlhttp.open("GET", "backend.php?op=dlg&id=" +
1401                 param_escape(id) + "&param=" + param_escape(param), true);
1402         xmlhttp.onreadystatechange=infobox_callback;
1403         xmlhttp.send(null);
1404
1405         disableHotkeys();
1406
1407         return false;
1408 }
1409
1410 function infobox_submit_callback() {
1411         if (xmlhttp.readyState == 4) {
1412                 closeInfoBox();
1413
1414                 try {
1415                         // called from prefs, reload tab
1416                         if (active_tab) {
1417                                 selectTab(active_tab, false);
1418                         }
1419                 } catch (e) { }
1420
1421                 if (xmlhttp.responseText) {
1422                         notify_info(xmlhttp.responseText);
1423                 }
1424
1425         }
1426 }
1427
1428 function infobox_callback() {
1429         if (xmlhttp.readyState == 4) {
1430
1431                 try {
1432
1433                         if (!is_msie() && !getInitParam("infobox_disable_overlay")) {
1434                                 var overlay = document.getElementById("dialog_overlay");
1435                                 if (overlay) {
1436                                         overlay.style.display = "block";
1437                                 }
1438                         }
1439
1440                         var box = document.getElementById('infoBox');
1441                         var shadow = document.getElementById('infoBoxShadow');
1442                         if (box) {
1443                                 box.innerHTML=xmlhttp.responseText;
1444                                 if (shadow) {
1445                                         shadow.style.display = "block";
1446                                 } else {
1447                                         box.style.display = "block";
1448                                 }
1449                         }
1450                         notify("");
1451                 } catch (e) {
1452                         exception_error("infobox_callback", e);
1453                 }
1454         }
1455 }
1456
1457 function helpbox_callback() {
1458         if (xmlhttp.readyState == 4) {
1459                 var box = document.getElementById('helpBox');
1460                 var shadow = document.getElementById('helpBoxShadow');
1461                 if (box) {
1462                         box.innerHTML=xmlhttp.responseText;
1463                         if (shadow) {
1464                                 shadow.style.display = "block";
1465                         } else {
1466                                 box.style.display = "block";
1467                         }
1468                 }
1469                 notify("");
1470         }
1471 }
1472
1473 function addFilter() {
1474
1475         if (!xmlhttp_ready(xmlhttp)) {
1476                 printLockingError();
1477                 return
1478         }
1479
1480         var form = document.forms['filter_add_form'];
1481         var reg_exp = form.reg_exp.value;
1482
1483         if (reg_exp == "") {
1484                 alert("Can't add filter: nothing to match on.");
1485                 return false;
1486         }
1487
1488         var query = Form.serialize("filter_add_form");
1489
1490         xmlhttp.open("GET", "backend.php?" + query, true);
1491         xmlhttp.onreadystatechange=infobox_submit_callback;
1492         xmlhttp.send(null);
1493
1494         return true;
1495 }
1496
1497 function toggleSubmitNotEmpty(e, submit_id) {
1498         try {
1499                 document.getElementById(submit_id).disabled = (e.value == "")
1500         } catch (e) {
1501                 exception_error("toggleSubmitNotEmpty", e);
1502         }
1503 }
1504
1505 function isValidURL(s) {
1506         return s.match("http://") != null || s.match("https://") != null || s.match("feed://") != null;
1507 }
1508
1509 function qaddFeed() {
1510
1511         if (!xmlhttp_ready(xmlhttp)) {
1512                 printLockingError();
1513                 return
1514         }
1515
1516         var form = document.forms['feed_add_form'];
1517         var feed_url = form.feed_url.value;
1518
1519         if (feed_url == "") {
1520                 alert("Can't subscribe: no feed URL given.");
1521                 return false;
1522         }
1523
1524         notify_progress(__("Subscribing to feed..."), true);
1525
1526         closeInfoBox();
1527
1528         var feeds_doc = document;
1529
1530 //      feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
1531
1532         var query = Form.serialize("feed_add_form");
1533
1534         debug("subscribe q: " + query);
1535
1536 /*      xmlhttp.open("GET", "backend.php?" + query, true);
1537         xmlhttp.onreadystatechange=dlg_frefresh_callback;
1538         xmlhttp.send(null); */
1539
1540         xmlhttp.open("POST", "backend.php", true);
1541         xmlhttp.onreadystatechange=dlg_frefresh_callback;
1542         xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1543         xmlhttp.send(query);
1544
1545         return false;
1546 }
1547
1548 function filterCR(e, f)
1549 {
1550      var key;
1551
1552      if(window.event)
1553           key = window.event.keyCode;     //IE
1554      else
1555           key = e.which;     //firefox
1556
1557         if (key == 13) {
1558                 if (typeof f != 'undefined') {
1559                         f();
1560                         return false;
1561                 } else {
1562                         return false;
1563                 }
1564         } else {
1565                 return true;
1566         }
1567 }
1568
1569 function getMainContext() {
1570         return this.window;
1571 }
1572
1573 function getFeedsContext() {
1574         return this.window;
1575 }
1576
1577 function getContentContext() {
1578         return this.window;
1579 }
1580
1581 function getHeadlinesContext() {
1582         return this.window;
1583 }
1584
1585 var debug_last_class = "even";
1586
1587 function debug(msg) {
1588
1589         if (debug_last_class == "even") {
1590                 debug_last_class = "odd";
1591         } else {
1592                 debug_last_class = "even";
1593         }
1594
1595         var c = document.getElementById('debug_output');
1596         if (c && c.style.display == "block") {
1597                 while (c.lastChild != 'undefined' && c.childNodes.length > 100) {
1598                         c.removeChild(c.lastChild);
1599                 }
1600
1601                 var d = new Date();
1602                 var ts = leading_zero(d.getHours()) + ":" + leading_zero(d.getMinutes()) +
1603                         ":" + leading_zero(d.getSeconds());
1604                 c.innerHTML = "<li class=\"" + debug_last_class + "\"><span class=\"debugTS\">[" + ts + "]</span> " +
1605                         msg + "</li>" + c.innerHTML;
1606         }
1607 }
1608
1609 function getInitParam(key) {
1610         return init_params[key];
1611 }
1612
1613 function storeInitParam(key, value) {
1614         debug("<b>storeInitParam is OBSOLETE: " + key + " => " + value + "</b>");
1615         init_params[key] = value;
1616 }
1617
1618 function fatalError(code, message) {
1619         try {
1620
1621                 if (code == 6) {
1622                         window.location.href = "tt-rss.php";
1623                 } else if (code == 5) {
1624                         window.location.href = "update.php";
1625                 } else {
1626                         var fe = document.getElementById("fatal_error");
1627                         var fc = document.getElementById("fatal_error_msg");
1628
1629                         if (message == "") message = "Unknown error";
1630
1631                         fc.innerHTML = "<img src='images/sign_excl.png'> " + message + " (Code " + code + ")";
1632
1633                         fe.style.display = "block";
1634                 }
1635
1636         } catch (e) {
1637                 exception_error("fatalError", e);
1638         }
1639 }
1640
1641 function getFeedName(id, is_cat) {
1642         var d = getFeedsContext().document;
1643
1644         var e;
1645
1646         if (is_cat) {
1647                 e = d.getElementById("FCATN-" + id);
1648         } else {
1649                 e = d.getElementById("FEEDN-" + id);
1650         }
1651         if (e) {
1652                 return e.innerHTML.stripTags();
1653         } else {
1654                 return null;
1655         }
1656 }
1657
1658 function viewContentUrl(url) {
1659         getContentContext().location = url;
1660 }
1661
1662 function filterDlgCheckAction(sender) {
1663
1664         try {
1665
1666                 var action = sender[sender.selectedIndex].value;
1667
1668                 var form = document.forms["filter_add_form"];
1669
1670                 if (!form) {
1671                         form = document.forms["filter_edit_form"];
1672                 }
1673
1674                 if (!form) {
1675                         debug("filterDlgCheckAction: can't find form!");
1676                         return;
1677                 }
1678
1679                 var action_param = form.action_param;
1680
1681                 if (!action_param) {
1682                         debug("filterDlgCheckAction: can't find action param!");
1683                         return;
1684                 }
1685
1686                 // if selected action supports parameters, enable params field
1687                 if (action == 4) {
1688                         action_param.disabled = false;
1689                 } else {
1690                         action_param.disabled = true;
1691                 }
1692
1693         } catch (e) {
1694                 exception_error(e, "filterDlgCheckAction");
1695         }
1696
1697 }
1698
1699 function explainError(code) {
1700         return displayDlg("explainError", code);
1701 }
1702
1703 function logoutUser() {
1704         try {
1705                 if (xmlhttp_ready(xmlhttp_rpc)) {
1706
1707                         notify_progress("Logging out, please wait...", true);
1708
1709                         xmlhttp_rpc.open("GET", "backend.php?op=rpc&subop=logout", true);
1710                         xmlhttp_rpc.onreadystatechange=logout_callback;
1711                         xmlhttp_rpc.send(null);
1712                 } else {
1713                         printLockingError();
1714                 }
1715         } catch (e) {
1716                 exception_error("logoutUser", e);
1717         }
1718 }
1719
1720 // this only searches loaded headlines list, not in CDM
1721 function getRelativePostIds(id) {
1722
1723         debug("getRelativePostIds: " + id);
1724
1725         var ids = new Array();
1726         var container = document.getElementById("headlinesList");
1727
1728         if (container) {
1729                 var rows = container.rows;
1730
1731                 for (var i = 0; i < rows.length; i++) {
1732                         var r_id = rows[i].id.replace("RROW-", "");
1733
1734                         if (r_id == id) {
1735                                 if (i > 0) ids.push(rows[i-1].id.replace("RROW-", ""));
1736                                 if (i > 1) ids.push(rows[i-2].id.replace("RROW-", ""));
1737                                 if (i > 2) ids.push(rows[i-3].id.replace("RROW-", ""));
1738
1739                                 if (i < rows.length-1) ids.push(rows[i+1].id.replace("RROW-", ""));
1740                                 if (i < rows.length-2) ids.push(rows[i+2].id.replace("RROW-", ""));
1741                                 if (i < rows.length-3) ids.push(rows[i+3].id.replace("RROW-", ""));
1742
1743                                 return ids;
1744                         }
1745                 }
1746         }
1747
1748         return false;
1749 }
1750
1751 function openArticleInNewWindow(id) {
1752         try {
1753
1754                 if (!xmlhttp_ready(xmlhttp_rpc)) {
1755                         printLockingError();
1756                         return
1757                 }
1758
1759                 debug("openArticleInNewWindow: " + id);
1760
1761                 var query = "backend.php?op=rpc&subop=getArticleLink&id=" + id;
1762
1763                 debug(query);
1764
1765                 xmlhttp_rpc.open("GET", query, true);
1766                 xmlhttp_rpc.onreadystatechange=open_article_callback;
1767                 xmlhttp_rpc.send(null);
1768
1769         } catch (e) {
1770                 exception_error("openArticleInNewWindow", e);
1771         }
1772 }
1773