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 (keycode == 84) { // t
 339
 340                         var id = getActiveArticleId();
 341
 342                         if (id) {
 343
 344                                 var cb = document.getElementById("RCHK-" + id);
 345
 346                                 if (cb) {
 347                                         cb.checked = !cb.checked;
 348                                         toggleSelectRowById(cb, "RROW-" + id);
 349                                 }
 350                         }
 351                 }
 352
 353                 if (keycode == 67) { // c
 354                         var id = getActiveArticleId();
 355
 356                         if (id) {
 357                                 toggleUnread(id, 0);
 358                         }
 359                 }
 360
 361                 if (typeof localHotkeyHandler != 'undefined') {
 362                         try {
 363                                 return localHotkeyHandler(e);
 364                         } catch (e) {
 365                                 exception_error("hotkey_handler, local:", e);
 366                         }
 367                 }
 368
 369                 debug("KP=" + keycode);
 370         } catch (e) {
 371                 exception_error("hotkey_handler", e);
 372         }
 373 }
 374
 375 function cleanSelectedList(element) {
 376         var content = document.getElementById(element);
 377
 378         if (!document.getElementById("feedCatHolder")) {
 379                 for (i = 0; i < content.childNodes.length; i++) {
 380                         var child = content.childNodes[i];
 381                         try {
 382                                 child.className = child.className.replace("Selected", "");
 383                         } catch (e) {
 384                                 //
 385                         }
 386                 }
 387         } else {
 388                 for (i = 0; i < content.childNodes.length; i++) {
 389                         var child = content.childNodes[i];
 390                         if (child.id == "feedCatHolder") {
 391                                 debug(child.id);
 392                                 var fcat = child.lastChild;
 393                                 for (j = 0; j < fcat.childNodes.length; j++) {
 394                                         var feed = fcat.childNodes[j];
 395                                         feed.className = feed.className.replace("Selected", "");
 396                                 }
 397                         }
 398                 }
 399         }
 400 }
 401
 402
 403 function cleanSelected(element) {
 404         var content = document.getElementById(element);
 405
 406         for (i = 0; i < content.rows.length; i++) {
 407                 content.rows[i].className = content.rows[i].className.replace("Selected", "");
 408         }
 409 }
 410
 411 function getVisibleUnreadHeadlines() {
 412         var content = document.getElementById("headlinesList");
 413
 414         var rows = new Array();
 415
 416         for (i = 0; i < content.rows.length; i++) {
 417                 var row_id = content.rows[i].id.replace("RROW-", "");
 418                 if (row_id.length > 0 && content.rows[i].className.match("Unread")) {
 419                                 rows.push(row_id);
 420                 }
 421         }
 422         return rows;
 423 }
 424
 425 function getVisibleHeadlineIds() {
 426
 427         var content = document.getElementById("headlinesList");
 428
 429         var rows = new Array();
 430
 431         for (i = 0; i < content.rows.length; i++) {
 432                 var row_id = content.rows[i].id.replace("RROW-", "");
 433                 if (row_id.length > 0) {
 434                                 rows.push(row_id);
 435                 }
 436         }
 437         return rows;
 438 }
 439
 440 function getFirstVisibleHeadlineId() {
 441         var rows = getVisibleHeadlineIds();
 442         return rows[0];
 443 }
 444
 445 function getLastVisibleHeadlineId() {
 446         var rows = getVisibleHeadlineIds();
 447         return rows[rows.length-1];
 448 }
 449
 450 function markHeadline(id) {
 451         var row = document.getElementById("RROW-" + id);
 452         if (row) {
 453                 var is_active = false;
 454
 455                 if (row.className.match("Active")) {
 456                         is_active = true;
 457                 }
 458                 row.className = row.className.replace("Selected", "");
 459                 row.className = row.className.replace("Active", "");
 460                 row.className = row.className.replace("Insensitive", "");
 461
 462                 if (is_active) {
 463                         row.className = row.className = "Active";
 464                 }
 465
 466                 var check = document.getElementById("RCHK-" + id);
 467
 468                 if (check) {
 469                         check.checked = true;
 470                 }
 471
 472                 row.className = row.className + "Selected";
 473
 474         }
 475 }
 476
 477 function getFeedIds() {
 478         var content = document.getElementById("feedsList");
 479
 480         var rows = new Array();
 481
 482         for (i = 0; i < content.rows.length; i++) {
 483                 var id = content.rows[i].id.replace("FEEDR-", "");
 484                 if (id.length > 0) {
 485                         rows.push(id);
 486                 }
 487         }
 488
 489         return rows;
 490 }
 491
 492 function setCookie(name, value, lifetime, path, domain, secure) {
 493
 494         var d = false;
 495
 496         if (lifetime) {
 497                 d = new Date();
 498                 d.setTime(d.getTime() + (lifetime * 1000));
 499         }
 500
 501         debug("setCookie: " + name + " => " + value + ": " + d);
 502
 503         int_setCookie(name, value, d, path, domain, secure);
 504
 505 }
 506
 507 function int_setCookie(name, value, expires, path, domain, secure) {
 508         document.cookie= name + "=" + escape(value) +
 509                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 510                 ((path) ? "; path=" + path : "") +
 511                 ((domain) ? "; domain=" + domain : "") +
 512                 ((secure) ? "; secure" : "");
 513 }
 514
 515 function delCookie(name, path, domain) {
 516         if (getCookie(name)) {
 517                 document.cookie = name + "=" +
 518                 ((path) ? ";path=" + path : "") +
 519                 ((domain) ? ";domain=" + domain : "" ) +
 520                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 521         }
 522 }
 523
 524
 525 function getCookie(name) {
 526
 527         var dc = document.cookie;
 528         var prefix = name + "=";
 529         var begin = dc.indexOf("; " + prefix);
 530         if (begin == -1) {
 531             begin = dc.indexOf(prefix);
 532             if (begin != 0) return null;
 533         }
 534         else {
 535             begin += 2;
 536         }
 537         var end = document.cookie.indexOf(";", begin);
 538         if (end == -1) {
 539             end = dc.length;
 540         }
 541         return unescape(dc.substring(begin + prefix.length, end));
 542 }
 543
 544 function disableContainerChildren(id, disable, doc) {
 545
 546         if (!doc) doc = document;
 547
 548         var container = doc.getElementById(id);
 549
 550         if (!container) {
 551                 //alert("disableContainerChildren: element " + id + " not found");
 552                 return;
 553         }
 554
 555         for (var i = 0; i < container.childNodes.length; i++) {
 556                 var child = container.childNodes[i];
 557
 558                 try {
 559                         child.disabled = disable;
 560                 } catch (E) {
 561
 562                 }
 563
 564                 if (disable) {
 565                         if (child.className && child.className.match("button")) {
 566                                 child.className = "disabledButton";
 567                         }
 568                 } else {
 569                         if (child.className && child.className.match("disabledButton")) {
 570                                 child.className = "button";
 571                         }
 572                 }
 573         }
 574
 575 }
 576
 577 function gotoPreferences() {
 578         document.location.href = "prefs.php";
 579 }
 580
 581 function gotoMain() {
 582         document.location.href = "tt-rss.php";
 583 }
 584
 585 function gotoExportOpml() {
 586         document.location.href = "opml.php?op=Export";
 587 }
 588
 589 function getActiveFeedId() {
 590 //      return getCookie("ttrss_vf_actfeed");
 591         try {
 592                 debug("gAFID: " + active_feed_id);
 593                 return active_feed_id;
 594         } catch (e) {
 595                 exception_error("getActiveFeedId", e);
 596         }
 597 }
 598
 599 function activeFeedIsCat() {
 600         return active_feed_is_cat;
 601 }
 602
 603 function setActiveFeedId(id) {
 604 //      return setCookie("ttrss_vf_actfeed", id);
 605         try {
 606                 debug("sAFID(" + id + ")");
 607                 active_feed_id = id;
 608         } catch (e) {
 609                 exception_error("setActiveFeedId", e);
 610         }
 611 }
 612
 613 function parse_counters(reply, scheduled_call) {
 614         try {
 615
 616                 var feeds_found = 0;
 617
 618                 if (reply.firstChild && reply.firstChild.firstChild) {
 619                         debug("<b>wrong element passed to parse_counters, adjusting.</b>");
 620                         reply = reply.firstChild;
 621                 }
 622
 623                 for (var l = 0; l < reply.childNodes.length; l++) {
 624                         if (!reply.childNodes[l] ||
 625                                 typeof(reply.childNodes[l].getAttribute) == "undefined") {
 626                                 // where did this come from?
 627                                 continue;
 628                         }
 629
 630                         var id = reply.childNodes[l].getAttribute("id");
 631                         var t = reply.childNodes[l].getAttribute("type");
 632                         var ctr = reply.childNodes[l].getAttribute("counter");
 633                         var error = reply.childNodes[l].getAttribute("error");
 634                         var has_img = reply.childNodes[l].getAttribute("hi");
 635                         var updated = reply.childNodes[l].getAttribute("updated");
 636
 637                         if (id == "global-unread") {
 638                                 global_unread = ctr;
 639                                 updateTitle();
 640                                 continue;
 641                         }
 642
 643                         if (id == "subscribed-feeds") {
 644                                 feeds_found = ctr;
 645                                 continue;
 646                         }
 647
 648                         if (t == "category") {
 649                                 var catctr = document.getElementById("FCATCTR-" + id);
 650                                 if (catctr) {
 651                                         catctr.innerHTML = "(" + ctr + ")";
 652                                         if (ctr > 0) {
 653                                                 catctr.className = "catCtrHasUnread";
 654                                         } else {
 655                                                 catctr.className = "catCtrNoUnread";
 656                                         }
 657                                 }
 658                                 continue;
 659                         }
 660
 661                         var feedctr = document.getElementById("FEEDCTR-" + id);
 662                         var feedu = document.getElementById("FEEDU-" + id);
 663                         var feedr = document.getElementById("FEEDR-" + id);
 664                         var feed_img = document.getElementById("FIMG-" + id);
 665                         var feedlink = document.getElementById("FEEDL-" + id);
 666                         var feedupd = document.getElementById("FLUPD-" + id);
 667
 668                         if (updated && feedlink) {
 669                                 if (error) {
 670                                         feedlink.title = "Error: " + error + " (" + updated + ")";
 671                                 } else {
 672                                         feedlink.title = "Updated: " + updated;
 673                                 }
 674                         }
 675
 676                         if (updated && feedupd) {
 677                                 if (error) {
 678                                         feedupd.innerHTML = updated + " (Error)";
 679                                 } else {
 680                                         feedupd.innerHTML = updated;
 681                                 }
 682                         }
 683
 684                         if (has_img && feed_img && !is_msie()) {
 685                                 feed_img.src = getInitParam("icons_location") + "/" + id + ".ico";
 686                         }
 687
 688                         if (feedctr && feedu && feedr) {
 689
 690                                 if (feedu.innerHTML != ctr && id == getActiveFeedId() && scheduled_call) {
 691                                         viewCurrentFeed();
 692                                 }
 693
 694                                 var row_needs_hl = (ctr > 0 && ctr > parseInt(feedu.innerHTML));
 695
 696                                 feedu.innerHTML = ctr;
 697
 698                                 if (error) {
 699                                         feedr.className = feedr.className.replace("feed", "error");
 700                                 } else if (id > 0) {
 701                                         feedr.className = feedr.className.replace("error", "feed");
 702                                 }
 703
 704                                 if (ctr > 0) {
 705                                         feedctr.className = "odd";
 706                                         if (!feedr.className.match("Unread")) {
 707                                                 var is_selected = feedr.className.match("Selected");
 708
 709                                                 feedr.className = feedr.className.replace("Selected", "");
 710                                                 feedr.className = feedr.className.replace("Unread", "");
 711
 712                                                 feedr.className = feedr.className + "Unread";
 713
 714                                                 if (is_selected) {
 715                                                         feedr.className = feedr.className + "Selected";
 716                                                 }
 717
 718                                         }
 719
 720                                         if (row_needs_hl) {
 721                                                 new Effect.Highlight(feedr, {duration: 1, startcolor: "#fff7d5"});
 722                                         }
 723                                 } else {
 724                                         feedctr.className = "invisible";
 725                                         feedr.className = feedr.className.replace("Unread", "");
 726                                 }
 727                         }
 728                 }
 729
 730                 hideOrShowFeeds(document, getInitParam("hide_read_feeds") == 1);
 731
 732                 var feeds_stored = number_of_feeds;
 733
 734                 debug("Feed counters, C: " + feeds_found + ", S:" + feeds_stored);
 735
 736                 if (feeds_stored != feeds_found) {
 737                         number_of_feeds = feeds_found;
 738
 739                         if (feeds_stored != 0) {
 740                                 debug("Subscribed feed number changed, refreshing feedlist");
 741                                 setTimeout('updateFeedList(false, false)', 50);
 742                         }
 743                 }
 744
 745         } catch (e) {
 746                 exception_error("parse_counters", e);
 747         }
 748 }
 749
 750 function parse_counters_reply(xmlhttp, scheduled_call) {
 751
 752         if (!xmlhttp.responseXML) {
 753                 notify_error("Backend did not return valid XML", true);
 754                 return;
 755         }
 756
 757         var reply = xmlhttp.responseXML.firstChild;
 758
 759         if (!reply) {
 760                 notify_error("Backend did not return expected XML object", true);
 761                 updateTitle("");
 762                 return;
 763         }
 764
 765         var error_code = false;
 766         var error_msg = false;
 767
 768         if (reply.firstChild) {
 769                 error_code = reply.firstChild.getAttribute("error-code");
 770                 error_msg = reply.firstChild.getAttribute("error-msg");
 771         }
 772
 773         if (!error_code) {
 774                 error_code = reply.getAttribute("error-code");
 775                 error_msg = reply.getAttribute("error-msg");
 776         }
 777
 778         if (error_code && error_code != 0) {
 779                 debug("refetch_callback: got error code " + error_code);
 780                 return fatalError(error_code, error_msg);
 781         }
 782
 783         var counters = reply.firstChild;
 784
 785         parse_counters(counters, scheduled_call);
 786
 787         var runtime_info = counters.nextSibling;
 788
 789         parse_runtime_info(runtime_info);
 790
 791         if (getInitParam("feeds_sort_by_unread") == 1) {
 792                         resort_feedlist();
 793         }
 794
 795         hideOrShowFeeds(document, getInitParam("hide_read_feeds") == 1);
 796
 797 }
 798
 799 function all_counters_callback() {
 800         if (xmlhttp_rpc.readyState == 4) {
 801                 try {
 802 /*                      if (!xmlhttp_rpc.responseXML || !xmlhttp_rpc.responseXML.firstChild) {
 803                                 debug("[all_counters_callback] backend did not return valid XML");
 804                                 return;
 805                         }
 806
 807                         debug("in all_counters_callback : " + xmlhttp_rpc.responseXML);
 808
 809                         var reply = xmlhttp_rpc.responseXML.firstChild;
 810
 811                         var counters = reply.firstChild;
 812
 813                         parse_counters(counters);
 814
 815                         var runtime = counters.nextSibling;
 816
 817                         if (runtime) {
 818                                 parse_runtime_info(runtime);
 819                         }
 820
 821                         if (getInitParam("feeds_sort_by_unread") == 1) {
 822                                 resort_feedlist();
 823                         }
 824
 825                         hideOrShowFeeds(document, getInitParam("hide_read_feeds") == 1); */
 826
 827                         debug("in all_counters_callback");
 828
 829                         parse_counters_reply(xmlhttp_rpc);
 830
 831                 } catch (e) {
 832                         exception_error("all_counters_callback", e);
 833                 }
 834         }
 835 }
 836
 837 function get_feed_entry_unread(doc, elem) {
 838
 839         var id = elem.id.replace("FEEDR-", "");
 840
 841         if (id <= 0) {
 842                 return -1;
 843         }
 844
 845         try {
 846                 return parseInt(doc.getElementById("FEEDU-" + id).innerHTML);
 847         } catch (e) {
 848                 return -1;
 849         }
 850 }
 851
 852 function resort_category(doc, node) {
 853         debug("resort_category: " + node);
 854
 855         if (node.hasChildNodes() && node.firstChild.nextSibling != false) {
 856                 for (i = 0; i < node.childNodes.length; i++) {
 857                         if (node.childNodes[i].nodeName != "LI") { continue; }
 858
 859                         if (get_feed_entry_unread(doc, node.childNodes[i]) < 0) {
 860                                 continue;
 861                         }
 862
 863                         for (j = i+1; j < node.childNodes.length; j++) {
 864                                 if (node.childNodes[j].nodeName != "LI") { continue; }
 865
 866                                 var tmp_val = get_feed_entry_unread(doc, node.childNodes[i]);
 867                                 var cur_val = get_feed_entry_unread(doc, node.childNodes[j]);
 868
 869                                 if (cur_val > tmp_val) {
 870                                         tempnode_i = node.childNodes[i].cloneNode(true);
 871                                         tempnode_j = node.childNodes[j].cloneNode(true);
 872                                         node.replaceChild(tempnode_i, node.childNodes[j]);
 873                                         node.replaceChild(tempnode_j, node.childNodes[i]);
 874                                 }
 875                         }
 876
 877                 }
 878         }
 879
 880 }
 881
 882 function resort_feedlist() {
 883         debug("resort_feedlist");
 884
 885         var fd = document;
 886
 887         if (fd.getElementById("feedCatHolder")) {
 888
 889                 var feeds = fd.getElementById("feedList");
 890                 var child = feeds.firstChild;
 891
 892                 while (child) {
 893
 894                         if (child.id == "feedCatHolder") {
 895                                 resort_category(fd, child.firstChild);
 896                         }
 897
 898                         child = child.nextSibling;
 899                 }
 900
 901         } else {
 902                 resort_category(fd, fd.getElementById("feedList"));
 903         }
 904 }
 905
 906 function update_all_counters(feed) {
 907         if (xmlhttp_ready(xmlhttp_rpc)) {
 908                 var query = "backend.php?op=rpc&subop=getAllCounters";
 909
 910                 if (feed > 0) {
 911                         query = query + "&aid=" + feed;
 912                 }
 913
 914                 if (tagsAreDisplayed()) {
 915                         query = query + "&omode=lt";
 916                 } else {
 917                         query = query + "&omode=flc";
 918                 }
 919
 920                 debug("update_all_counters QUERY: " + query);
 921
 922                 var date = new Date();
 923                 var timestamp = Math.round(date.getTime() / 1000);
 924                 query = query + "&ts=" + timestamp
 925
 926                 xmlhttp_rpc.open("GET", query, true);
 927                 xmlhttp_rpc.onreadystatechange=all_counters_callback;
 928                 xmlhttp_rpc.send(null);
 929         }
 930 }
 931
 932 function popupHelp(tid) {
 933         var w = window.open("backend.php?op=help&tid=" + tid,
 934                 "Popup Help",
 935                 "menubar=no,location=no,resizable=yes,scrollbars=yes,status=no");
 936 }
 937
 938 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 939   * * @author Sundar Dorai-Raj
 940   * * Email: sdoraira@vt.edu
 941   * * This program is free software; you can redistribute it and/or
 942   * * modify it under the terms of the GNU General Public License
 943   * * as published by the Free Software Foundation; either version 2
 944   * * of the License, or (at your option) any later version,
 945   * * provided that any use properly credits the author.
 946   * * This program is distributed in the hope that it will be useful,
 947   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 948   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 949   * * GNU General Public License for more details at http://www.gnu.org * * */
 950
 951   var numbers=".0123456789";
 952   function isNumeric(x) {
 953     // is x a String or a character?
 954     if(x.length>1) {
 955       // remove negative sign
 956       x=Math.abs(x)+"";
 957       for(j=0;j<x.length;j++) {
 958         // call isNumeric recursively for each character
 959         number=isNumeric(x.substring(j,j+1));
 960         if(!number) return number;
 961       }
 962       return number;
 963     }
 964     else {
 965       // if x is number return true
 966       if(numbers.indexOf(x)>=0) return true;
 967       return false;
 968     }
 969   }
 970
 971
 972 function hideOrShowFeeds(doc, hide) {
 973
 974         debug("hideOrShowFeeds: " + doc + ", " + hide);
 975
 976         var fd = document;
 977
 978         var list = fd.getElementById("feedList");
 979
 980         if (fd.getElementById("feedCatHolder")) {
 981
 982                 var feeds = fd.getElementById("feedList");
 983                 var child = feeds.firstChild;
 984
 985                 while (child) {
 986
 987                         if (child.id == "feedCatHolder") {
 988                                 hideOrShowFeedsCategory(fd, child.firstChild, hide, child.previousSibling);
 989                         }
 990
 991                         child = child.nextSibling;
 992                 }
 993
 994         } else {
 995                 hideOrShowFeedsCategory(fd, fd.getElementById("feedList"), hide);
 996         }
 997 }
 998
 999 function hideOrShowFeedsCategory(doc, node, hide, cat_node) {
1000
1001 //      debug("hideOrShowFeedsCategory: " + node + " (" + hide + ")");
1002
1003         var cat_unread = 0;
1004
1005         if (!node) {
1006                 debug("hideOrShowFeeds: passed node is null, aborting");
1007                 return;
1008         }
1009
1010         if (node.hasChildNodes() && node.firstChild.nextSibling != false) {
1011                 for (i = 0; i < node.childNodes.length; i++) {
1012                         if (node.childNodes[i].nodeName != "LI") { continue; }
1013
1014                         if (node.childNodes[i].style != undefined) {
1015
1016                                 var has_unread = (node.childNodes[i].className != "feed" &&
1017                                         node.childNodes[i].className != "label" &&
1018                                         node.childNodes[i].className != "virt" &&
1019                                         node.childNodes[i].className != "tag");
1020
1021         //                      debug(node.childNodes[i].id + " --> " + has_unread);
1022
1023                                 if (hide && !has_unread) {
1024                                         //node.childNodes[i].style.display = "none";
1025                                         Effect.Fade(node.childNodes[i], {duration : 0.3});
1026                                 }
1027
1028                                 if (!hide) {
1029                                         node.childNodes[i].style.display = "list-item";
1030                                         //Effect.Appear(node.childNodes[i], {duration : 0.3});
1031                                 }
1032
1033                                 if (has_unread) {
1034                                         node.childNodes[i].style.display = "list-item";
1035                                         cat_unread++;
1036                                         //Effect.Appear(node.childNodes[i], {duration : 0.3});
1037                                         //Effect.Highlight(node.childNodes[i]);
1038                                 }
1039                         }
1040                 }
1041         }
1042
1043         if (cat_unread == 0) {
1044                 if (cat_node.style == undefined) {
1045                         debug("ERROR: supplied cat_node " + cat_node +
1046                                 " has no styles. WTF?");
1047                         return;
1048                 }
1049                 if (hide) {
1050                         //cat_node.style.display = "none";
1051                         Effect.Fade(cat_node, {duration : 0.3});
1052                 } else {
1053                         cat_node.style.display = "list-item";
1054                 }
1055         } else {
1056                 try {
1057                         cat_node.style.display = "list-item";
1058                 } catch (e) {
1059                         debug(e);
1060                 }
1061         }
1062
1063 //      debug("unread for category: " + cat_unread);
1064 }
1065
1066 function selectTableRow(r, do_select) {
1067         r.className = r.className.replace("Selected", "");
1068
1069         if (do_select) {
1070                 r.className = r.className + "Selected";
1071         }
1072 }
1073
1074 function selectTableRowById(elem_id, check_id, do_select) {
1075
1076         try {
1077
1078                 var row = document.getElementById(elem_id);
1079
1080                 if (row) {
1081                         selectTableRow(row, do_select);
1082                 }
1083
1084                 var check = document.getElementById(check_id);
1085
1086                 if (check) {
1087                         check.checked = do_select;
1088                 }
1089         } catch (e) {
1090                 exception_error("selectTableRowById", e);
1091         }
1092 }
1093
1094 function selectTableRowsByIdPrefix(content_id, prefix, check_prefix, do_select,
1095         classcheck, reset_others) {
1096
1097         var content = document.getElementById(content_id);
1098
1099         if (!content) {
1100                 alert("[selectTableRows] Element " + content_id + " not found.");
1101                 return;
1102         }
1103
1104         for (i = 0; i < content.rows.length; i++) {
1105                 if (!classcheck || content.rows[i].className.match(classcheck)) {
1106
1107                         if (content.rows[i].id.match(prefix)) {
1108                                 selectTableRow(content.rows[i], do_select);
1109
1110                                 var row_id = content.rows[i].id.replace(prefix, "");
1111                                 var check = document.getElementById(check_prefix + row_id);
1112
1113                                 if (check) {
1114                                         check.checked = do_select;
1115                                 }
1116                         } else if (reset_others) {
1117                                 selectTableRow(content.rows[i], false);
1118
1119                                 var row_id = content.rows[i].id.replace(prefix, "");
1120                                 var check = document.getElementById(check_prefix + row_id);
1121
1122                                 if (check) {
1123                                         check.checked = false;
1124                                 }
1125
1126                         }
1127                 } else if (reset_others) {
1128                         selectTableRow(content.rows[i], false);
1129
1130                         var row_id = content.rows[i].id.replace(prefix, "");
1131                         var check = document.getElementById(check_prefix + row_id);
1132
1133                         if (check) {
1134                                 check.checked = false;
1135                         }
1136
1137                 }
1138         }
1139 }
1140
1141 function getSelectedTableRowIds(content_id, prefix) {
1142
1143         var content = document.getElementById(content_id);
1144
1145         if (!content) {
1146                 alert("[getSelectedTableRowIds] Element " + content_id + " not found.");
1147                 return;
1148         }
1149
1150         var sel_rows = new Array();
1151
1152         for (i = 0; i < content.rows.length; i++) {
1153                 if (content.rows[i].id.match(prefix) &&
1154                                 content.rows[i].className.match("Selected")) {
1155
1156                         var row_id = content.rows[i].id.replace(prefix + "-", "");
1157                         sel_rows.push(row_id);
1158                 }
1159         }
1160
1161         return sel_rows;
1162
1163 }
1164
1165 function toggleSelectRowById(sender, id) {
1166         var row = document.getElementById(id);
1167
1168         if (sender.checked) {
1169                 if (!row.className.match("Selected")) {
1170                         row.className = row.className + "Selected";
1171                 }
1172         } else {
1173                 if (row.className.match("Selected")) {
1174                         row.className = row.className.replace("Selected", "");
1175                 }
1176         }
1177 }
1178
1179 function toggleSelectListRow(sender) {
1180         var parent_row = sender.parentNode;
1181
1182         if (sender.checked) {
1183                 if (!parent_row.className.match("Selected")) {
1184                         parent_row.className = parent_row.className + "Selected";
1185                 }
1186         } else {
1187                 if (parent_row.className.match("Selected")) {
1188                         parent_row.className = parent_row.className.replace("Selected", "");
1189                 }
1190         }
1191 }
1192
1193 function tSR(sender) {
1194         return toggleSelectRow(sender);
1195 }
1196
1197 function toggleSelectRow(sender) {
1198         var parent_row = sender.parentNode.parentNode;
1199
1200         if (sender.checked) {
1201                 if (!parent_row.className.match("Selected")) {
1202                         parent_row.className = parent_row.className + "Selected";
1203                 }
1204         } else {
1205                 if (parent_row.className.match("Selected")) {
1206                         parent_row.className = parent_row.className.replace("Selected", "");
1207                 }
1208         }
1209 }
1210
1211 function openExternalUrl(url) {
1212         var w = window.open(url);
1213 }
1214
1215 function getRelativeFeedId(list, id, direction, unread_only) {
1216         var rows = list.getElementsByTagName("LI");
1217         var feeds = new Array();
1218
1219         for (var i = 0; i < rows.length; i++) {
1220                 if (rows[i].id.match("FEEDR-")) {
1221
1222                         if (rows[i].id == "FEEDR-" + id || (Element.visible(rows[i]) && Element.visible(rows[i].parentNode))) {
1223
1224                                 if (!unread_only ||
1225                                                 (rows[i].className.match("Unread") || rows[i].id == "FEEDR-" + id)) {
1226                                         feeds.push(rows[i].id.replace("FEEDR-", ""));
1227                                 }
1228                         }
1229                 }
1230         }
1231
1232         if (!id) {
1233                 if (direction == "next") {
1234                         return feeds.shift();
1235                 } else {
1236                         return feeds.pop();
1237                 }
1238         } else {
1239                 if (direction == "next") {
1240                         var idx = feeds.indexOf(id);
1241                         if (idx != -1 && idx < feeds.length) {
1242                                 return feeds[idx+1];
1243                         } else {
1244                                 return getRelativeFeedId(list, false, direction, unread_only);
1245                         }
1246                 } else {
1247                         var idx = feeds.indexOf(id);
1248                         if (idx > 0) {
1249                                 return feeds[idx-1];
1250                         } else {
1251                                 return getRelativeFeedId(list, false, direction, unread_only);
1252                         }
1253                 }
1254
1255         }
1256
1257 /*      if (!id) {
1258                 if (direction == "next") {
1259                         for (i = 0; i < list.childNodes.length; i++) {
1260                                 var child = list.childNodes[i];
1261                                 if (child.id && child.id == "feedCatHolder") {
1262                                         if (child.lastChild) {
1263                                                 var cr = getRelativeFeedId(child.firstChild, id, direction, unread_only);
1264                                                 if (cr) return cr;
1265                                         }
1266                                 } else if (child.id && child.id.match("FEEDR-")) {
1267                                         return child.id.replace('FEEDR-', '');
1268                                 }
1269                         }
1270                 }
1271
1272                 // FIXME select last feed doesn't work when only unread feeds are visible
1273
1274                 if (direction == "prev") {
1275                         for (i = list.childNodes.length-1; i >= 0; i--) {
1276                                 var child = list.childNodes[i];
1277                                 if (child.id == "feedCatHolder" && Element.visible(child)) {
1278                                         if (child.firstChild) {
1279                                                 var cr = getRelativeFeedId(child.firstChild, id, direction);
1280                                                 if (cr) return cr;
1281                                         }
1282                                 } else if (child.id.match("FEEDR-")) {
1283
1284                                         if (getInitParam("hide_read_feeds") == 1) {
1285                                                 if (child.className != "feed") {
1286 //                                                      alert(child.className);
1287                                                         return child.id.replace('FEEDR-', '');
1288                                                 }
1289                                         } else {
1290                                                         return child.id.replace('FEEDR-', '');
1291                                         }
1292                                 }
1293                         }
1294                 }
1295         } else {
1296
1297                 var feed = list.ownerDocument.getElementById("FEEDR-" + id);
1298
1299                 if (getInitParam("hide_read_feeds") == 1) {
1300                         unread_only = true;
1301                 }
1302
1303                 if (direction == "next") {
1304
1305                         var e = feed;
1306
1307                         while (e) {
1308
1309                                 if (e.nextSibling) {
1310
1311                                         e = e.nextSibling;
1312
1313                                 } else if (e.parentNode.parentNode.nextSibling) {
1314
1315                                         var this_cat = e.parentNode.parentNode;
1316
1317                                         e = false;
1318
1319                                         if (this_cat && this_cat.nextSibling) {
1320                                                 while (!e && this_cat.nextSibling) {
1321                                                         this_cat = this_cat.nextSibling;
1322                                                         if (this_cat.id == "feedCatHolder") {
1323                                                                 e = this_cat.firstChild.firstChild;
1324                                                         }
1325                                                 }
1326                                         }
1327
1328                                 } else {
1329                                         e = false;
1330                            }
1331
1332                                 if (e) {
1333                                         if (!unread_only || (unread_only && e.className != "feed" &&
1334                                                         e.className.match("feed")))     {
1335                                                 if (e.parentNode.parentNode &&
1336                                                         Element.visible(e.parentNode.parentNode)) {
1337                                                         return e.id.replace("FEEDR-", "");
1338                                                 }
1339                                         }
1340                                 }
1341                         }
1342
1343                 } else if (direction == "prev") {
1344
1345                         var e = feed;
1346
1347                         while (e) {
1348
1349                                 if (e.previousSibling) {
1350
1351                                         e = e.previousSibling;
1352
1353                                 } else if (e.parentNode.parentNode.previousSibling) {
1354
1355                                         var this_cat = e.parentNode.parentNode;
1356
1357                                         e = false;
1358
1359                                         if (this_cat && this_cat.previousSibling) {
1360                                                 while (!e && this_cat.previousSibling) {
1361                                                         this_cat = this_cat.previousSibling;
1362                                                         if (this_cat.id == "feedCatHolder") {
1363                                                                 e = this_cat.firstChild.lastChild;
1364                                                         }
1365                                                 }
1366                                         }
1367
1368                                 } else {
1369                                         e = false;
1370                            }
1371
1372                                 if (e) {
1373                                         if (!unread_only || (unread_only && e.className != "feed" &&
1374                                                         e.className.match("feed")))     {
1375                                                 if (e.parentNode.parentNode &&
1376                                                         Element.visible(e.parentNode.parentNode)) {
1377                                                         return e.id.replace("FEEDR-", "");
1378                                                 }
1379                                         }
1380                                 }
1381                         }
1382                 }
1383         } */
1384 }
1385
1386 function showBlockElement(id, h_id) {
1387         var elem = document.getElementById(id);
1388
1389         if (elem) {
1390                 elem.style.display = "block";
1391
1392                 if (h_id) {
1393                         elem = document.getElementById(h_id);
1394                         if (elem) {
1395                                 elem.style.display = "none";
1396                         }
1397                 }
1398         } else {
1399                 alert("[showBlockElement] can't find element with id " + id);
1400         }
1401 }
1402
1403 function appearBlockElement_afh(effect) {
1404
1405 }
1406
1407 function checkboxToggleElement(elem, id) {
1408         if (elem.checked) {
1409                 Effect.SlideDown(id, {duration : 0.5});
1410         } else {
1411                 Effect.SlideUp(id, {duration : 0.5});
1412         }
1413 }
1414
1415 function appearBlockElement(id, h_id) {
1416
1417         try {
1418                 Effect.Fade(h_id);
1419                 Effect.SlideDown(id, {duration : 1.0, afterFinish: appearBlockElement_afh});
1420         } catch (e) {
1421                 exception_error("appearBlockElement", e);
1422         }
1423
1424 }
1425
1426
1427 function hideParentElement(e) {
1428         e.parentNode.style.display = "none";
1429 }
1430
1431 function dropboxSelect(e, v) {
1432         for (i = 0; i < e.length; i++) {
1433                 if (e[i].value == v) {
1434                         e.selectedIndex = i;
1435                         break;
1436                 }
1437         }
1438 }
1439
1440 // originally stolen from http://www.11tmr.com/11tmr.nsf/d6plinks/MWHE-695L9Z
1441 // bugfixed just a little bit :-)
1442 function getURLParam(strParamName){
1443   var strReturn = "";
1444   var strHref = window.location.href;
1445
1446   if (strHref.indexOf("#") == strHref.length-1) {
1447                 strHref = strHref.substring(0, strHref.length-1);
1448   }
1449
1450   if ( strHref.indexOf("?") > -1 ){
1451     var strQueryString = strHref.substr(strHref.indexOf("?"));
1452     var aQueryString = strQueryString.split("&");
1453     for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
1454       if (aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
1455         var aParam = aQueryString[iParam].split("=");
1456         strReturn = aParam[1];
1457         break;
1458       }
1459     }
1460   }
1461   return strReturn;
1462 }
1463
1464 function leading_zero(p) {
1465         var s = String(p);
1466         if (s.length == 1) s = "0" + s;
1467         return s;
1468 }
1469
1470 function closeInfoBox(cleanup) {
1471
1472         if (!is_msie() && !getInitParam("infobox_disable_overlay")) {
1473                 var overlay = document.getElementById("dialog_overlay");
1474                 if (overlay) {
1475                         overlay.style.display = "none";
1476                 }
1477         }
1478
1479         var box = document.getElementById('infoBox');
1480         var shadow = document.getElementById('infoBoxShadow');
1481
1482         if (shadow) {
1483                 shadow.style.display = "none";
1484         } else if (box) {
1485                 box.style.display = "none";
1486         }
1487
1488         if (cleanup) box.innerHTML = "&nbsp;";
1489
1490         enableHotkeys();
1491
1492         return false;
1493 }
1494
1495
1496 function displayDlg(id, param) {
1497
1498         if (!xmlhttp_ready(xmlhttp)) {
1499                 printLockingError();
1500                 return
1501         }
1502
1503         notify_progress("Loading, please wait...", true);
1504
1505         xmlhttp.open("GET", "backend.php?op=dlg&id=" +
1506                 param_escape(id) + "&param=" + param_escape(param), true);
1507         xmlhttp.onreadystatechange=infobox_callback;
1508         xmlhttp.send(null);
1509
1510         disableHotkeys();
1511
1512         return false;
1513 }
1514
1515 function infobox_submit_callback() {
1516         if (xmlhttp.readyState == 4) {
1517                 closeInfoBox();
1518
1519                 try {
1520                         // called from prefs, reload tab
1521                         if (active_tab) {
1522                                 selectTab(active_tab, false);
1523                         }
1524                 } catch (e) { }
1525
1526                 if (xmlhttp.responseText) {
1527                         notify_info(xmlhttp.responseText);
1528                 }
1529
1530         }
1531 }
1532
1533 function infobox_callback() {
1534         if (xmlhttp.readyState == 4) {
1535
1536                 try {
1537
1538                         if (!is_msie() && !getInitParam("infobox_disable_overlay")) {
1539                                 var overlay = document.getElementById("dialog_overlay");
1540                                 if (overlay) {
1541                                         overlay.style.display = "block";
1542                                 }
1543                         }
1544
1545                         var box = document.getElementById('infoBox');
1546                         var shadow = document.getElementById('infoBoxShadow');
1547                         if (box) {
1548
1549                                 if (!is_safari()) {
1550                                         new Draggable(shadow);
1551                                 }
1552
1553                                 box.innerHTML=xmlhttp.responseText;
1554                                 if (shadow) {
1555                                         shadow.style.display = "block";
1556                                 } else {
1557                                         box.style.display = "block";
1558                                 }
1559                         }
1560
1561                         /* FIXME this needs to be moved out somewhere */
1562
1563                         if (document.getElementById("tags_choices")) {
1564                                 new Ajax.Autocompleter('tags_str', 'tags_choices',
1565                                         "backend.php?op=rpc&subop=completeTags",
1566                                         { tokens: ',', paramName: "search" });
1567                         }
1568
1569                         notify("");
1570                 } catch (e) {
1571                         exception_error("infobox_callback", e);
1572                 }
1573         }
1574 }
1575
1576 function helpbox_callback() {
1577         if (xmlhttp.readyState == 4) {
1578                 var box = document.getElementById('helpBox');
1579                 var shadow = document.getElementById('helpBoxShadow');
1580                 if (box) {
1581                         box.innerHTML=xmlhttp.responseText;
1582                         if (shadow) {
1583                                 shadow.style.display = "block";
1584                         } else {
1585                                 box.style.display = "block";
1586                         }
1587                 }
1588                 notify("");
1589         }
1590 }
1591
1592 function addFilter() {
1593
1594         if (!xmlhttp_ready(xmlhttp)) {
1595                 printLockingError();
1596                 return
1597         }
1598
1599         var form = document.forms['filter_add_form'];
1600         var reg_exp = form.reg_exp.value;
1601
1602         if (reg_exp == "") {
1603                 alert(__("Can't add filter: nothing to match on."));
1604                 return false;
1605         }
1606
1607         var query = Form.serialize("filter_add_form");
1608
1609         xmlhttp.open("GET", "backend.php?" + query, true);
1610         xmlhttp.onreadystatechange=infobox_submit_callback;
1611         xmlhttp.send(null);
1612
1613         return true;
1614 }
1615
1616 function toggleSubmitNotEmpty(e, submit_id) {
1617         try {
1618                 document.getElementById(submit_id).disabled = (e.value == "")
1619         } catch (e) {
1620                 exception_error("toggleSubmitNotEmpty", e);
1621         }
1622 }
1623
1624 function isValidURL(s) {
1625         return s.match("http://") != null || s.match("https://") != null || s.match("feed://") != null;
1626 }
1627
1628 function qaddFeed() {
1629
1630         if (!xmlhttp_ready(xmlhttp)) {
1631                 printLockingError();
1632                 return
1633         }
1634
1635         var form = document.forms['feed_add_form'];
1636         var feed_url = form.feed_url.value;
1637
1638         if (feed_url == "") {
1639                 alert(__("Can't subscribe: no feed URL given."));
1640                 return false;
1641         }
1642
1643         notify_progress(__("Subscribing to feed..."), true);
1644
1645         closeInfoBox();
1646
1647         var feeds_doc = document;
1648
1649 //      feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
1650
1651         var query = Form.serialize("feed_add_form");
1652
1653         debug("subscribe q: " + query);
1654
1655 /*      xmlhttp.open("GET", "backend.php?" + query, true);
1656         xmlhttp.onreadystatechange=dlg_frefresh_callback;
1657         xmlhttp.send(null); */
1658
1659         xmlhttp.open("POST", "backend.php", true);
1660         xmlhttp.onreadystatechange=dlg_frefresh_callback;
1661         xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1662         xmlhttp.send(query);
1663
1664         return false;
1665 }
1666
1667 function filterCR(e, f)
1668 {
1669      var key;
1670
1671      if(window.event)
1672           key = window.event.keyCode;     //IE
1673      else
1674           key = e.which;     //firefox
1675
1676         if (key == 13) {
1677                 if (typeof f != 'undefined') {
1678                         f();
1679                         return false;
1680                 } else {
1681                         return false;
1682                 }
1683         } else {
1684                 return true;
1685         }
1686 }
1687
1688 function getMainContext() {
1689         return this.window;
1690 }
1691
1692 function getFeedsContext() {
1693         return this.window;
1694 }
1695
1696 function getContentContext() {
1697         return this.window;
1698 }
1699
1700 function getHeadlinesContext() {
1701         return this.window;
1702 }
1703
1704 var debug_last_class = "even";
1705
1706 function debug(msg) {
1707
1708         if (debug_last_class == "even") {
1709                 debug_last_class = "odd";
1710         } else {
1711                 debug_last_class = "even";
1712         }
1713
1714         var c = document.getElementById('debug_output');
1715         if (c && c.style.display == "block") {
1716                 while (c.lastChild != 'undefined' && c.childNodes.length > 100) {
1717                         c.removeChild(c.lastChild);
1718                 }
1719
1720                 var d = new Date();
1721                 var ts = leading_zero(d.getHours()) + ":" + leading_zero(d.getMinutes()) +
1722                         ":" + leading_zero(d.getSeconds());
1723                 c.innerHTML = "<li class=\"" + debug_last_class + "\"><span class=\"debugTS\">[" + ts + "]</span> " +
1724                         msg + "</li>" + c.innerHTML;
1725         }
1726 }
1727
1728 function getInitParam(key) {
1729         return init_params[key];
1730 }
1731
1732 function storeInitParam(key, value) {
1733         debug("<b>storeInitParam is OBSOLETE: " + key + " => " + value + "</b>");
1734         init_params[key] = value;
1735 }
1736
1737 function fatalError(code, message) {
1738         try {
1739
1740                 if (code == 6) {
1741                         window.location.href = "tt-rss.php";
1742                 } else if (code == 5) {
1743                         window.location.href = "update.php";
1744                 } else {
1745                         var fe = document.getElementById("fatal_error");
1746                         var fc = document.getElementById("fatal_error_msg");
1747
1748                         if (message == "") message = "Unknown error";
1749
1750                         fc.innerHTML = "<img src='images/sign_excl.png'> " + message + " (Code " + code + ")";
1751
1752                         fe.style.display = "block";
1753                 }
1754
1755         } catch (e) {
1756                 exception_error("fatalError", e);
1757         }
1758 }
1759
1760 function getFeedName(id, is_cat) {
1761         var d = getFeedsContext().document;
1762
1763         var e;
1764
1765         if (is_cat) {
1766                 e = d.getElementById("FCATN-" + id);
1767         } else {
1768                 e = d.getElementById("FEEDN-" + id);
1769         }
1770         if (e) {
1771                 return e.innerHTML.stripTags();
1772         } else {
1773                 return null;
1774         }
1775 }
1776
1777 function viewContentUrl(url) {
1778         getContentContext().location = url;
1779 }
1780
1781 function filterDlgCheckAction(sender) {
1782
1783         try {
1784
1785                 var action = sender[sender.selectedIndex].value;
1786
1787                 var form = document.forms["filter_add_form"];
1788
1789                 if (!form) {
1790                         form = document.forms["filter_edit_form"];
1791                 }
1792
1793                 if (!form) {
1794                         debug("filterDlgCheckAction: can't find form!");
1795                         return;
1796                 }
1797
1798                 var action_param = form.action_param;
1799
1800                 if (!action_param) {
1801                         debug("filterDlgCheckAction: can't find action param!");
1802                         return;
1803                 }
1804
1805                 // if selected action supports parameters, enable params field
1806                 if (action == 4) {
1807                         action_param.disabled = false;
1808                 } else {
1809                         action_param.disabled = true;
1810                 }
1811
1812         } catch (e) {
1813                 exception_error(e, "filterDlgCheckAction");
1814         }
1815
1816 }
1817
1818 function explainError(code) {
1819         return displayDlg("explainError", code);
1820 }
1821
1822 function logoutUser() {
1823         try {
1824                 if (xmlhttp_ready(xmlhttp_rpc)) {
1825
1826                         notify_progress("Logging out, please wait...", true);
1827
1828                         xmlhttp_rpc.open("GET", "backend.php?op=rpc&subop=logout", true);
1829                         xmlhttp_rpc.onreadystatechange=logout_callback;
1830                         xmlhttp_rpc.send(null);
1831                 } else {
1832                         printLockingError();
1833                 }
1834         } catch (e) {
1835                 exception_error("logoutUser", e);
1836         }
1837 }
1838
1839 // this only searches loaded headlines list, not in CDM
1840 function getRelativePostIds(id) {
1841
1842         debug("getRelativePostIds: " + id);
1843
1844         var ids = new Array();
1845         var container = document.getElementById("headlinesList");
1846
1847         if (container) {
1848                 var rows = container.rows;
1849
1850                 for (var i = 0; i < rows.length; i++) {
1851                         var r_id = rows[i].id.replace("RROW-", "");
1852
1853                         if (r_id == id) {
1854                                 if (i > 0) ids.push(rows[i-1].id.replace("RROW-", ""));
1855                                 if (i > 1) ids.push(rows[i-2].id.replace("RROW-", ""));
1856                                 if (i > 2) ids.push(rows[i-3].id.replace("RROW-", ""));
1857
1858                                 if (i < rows.length-1) ids.push(rows[i+1].id.replace("RROW-", ""));
1859                                 if (i < rows.length-2) ids.push(rows[i+2].id.replace("RROW-", ""));
1860                                 if (i < rows.length-3) ids.push(rows[i+3].id.replace("RROW-", ""));
1861
1862                                 return ids;
1863                         }
1864                 }
1865         }
1866
1867         return false;
1868 }
1869
1870 function openArticleInNewWindow(id) {
1871         try {
1872
1873                 if (!xmlhttp_ready(xmlhttp_rpc)) {
1874                         printLockingError();
1875                         return
1876                 }
1877
1878                 debug("openArticleInNewWindow: " + id);
1879
1880                 var query = "backend.php?op=rpc&subop=getArticleLink&id=" + id;
1881
1882                 debug(query);
1883
1884                 xmlhttp_rpc.open("GET", query, true);
1885                 xmlhttp_rpc.onreadystatechange=open_article_callback;
1886                 xmlhttp_rpc.send(null);
1887
1888         } catch (e) {
1889                 exception_error("openArticleInNewWindow", e);
1890         }
1891 }
1892