js/functions.js

   1 var notify_silent = false;
   2 var loading_progress = 0;
   3 var sanity_check_done = false;
   4 var init_params = {};
   5
   6 Ajax.Base.prototype.initialize = Ajax.Base.prototype.initialize.wrap(
   7         function (callOriginal, options) {
   8
   9                 if (getInitParam("csrf_token") != undefined) {
  10                         Object.extend(options, options || { });
  11
  12                         if (Object.isString(options.parameters))
  13                                 options.parameters = options.parameters.toQueryParams();
  14                         else if (Object.isHash(options.parameters))
  15                                 options.parameters = options.parameters.toObject();
  16
  17                         options.parameters["csrf_token"] = getInitParam("csrf_token");
  18                 }
  19
  20                 return callOriginal(options);
  21         }
  22 );
  23
  24 /* add method to remove element from array */
  25
  26 Array.prototype.remove = function(s) {
  27         for (var i=0; i < this.length; i++) {
  28                 if (s == this[i]) this.splice(i, 1);
  29         }
  30 };
  31
  32 /* create console.log if it doesn't exist */
  33
  34 if (!window.console) console = {};
  35 console.log = console.log || function(msg) { };
  36 console.warn = console.warn || function(msg) { };
  37 console.error = console.error || function(msg) { };
  38
  39 function exception_error(location, e, ext_info) {
  40         var msg = format_exception_error(location, e);
  41
  42         if (!ext_info) ext_info = false;
  43
  44         try {
  45
  46                 if (ext_info) {
  47                         if (ext_info.responseText) {
  48                                 ext_info = ext_info.responseText;
  49                         }
  50                 }
  51
  52                 var content = "<div class=\"fatalError\">" +
  53                         "<pre>" + msg + "</pre>";
  54
  55                 content += "<form name=\"exceptionForm\" id=\"exceptionForm\" target=\"_blank\" "+
  56                   "action=\"http://tt-rss.org/report.php\" method=\"POST\">";
  57
  58                 content += "<textarea style=\"display : none\" name=\"message\">" + msg + "</textarea>";
  59                 content += "<textarea style=\"display : none\" name=\"params\">N/A</textarea>";
  60
  61                 if (ext_info) {
  62                         content += "<div><b>Additional information:</b></div>" +
  63                         "<textarea name=\"xinfo\" readonly=\"1\">" + ext_info + "</textarea>";
  64                 }
  65
  66                 content += "<div><b>Stack trace:</b></div>" +
  67                         "<textarea name=\"stack\" readonly=\"1\">" + e.stack + "</textarea>";
  68
  69                 content += "</form>";
  70
  71                 content += "</div>";
  72
  73                 content += "<div class='dlgButtons'>";
  74
  75                 content += "<button dojoType=\"dijit.form.Button\""+
  76                                 "onclick=\"dijit.byId('exceptionDlg').report()\">" +
  77                                 __('Report to tt-rss.org') + "</button> ";
  78                 content += "<button dojoType=\"dijit.form.Button\" "+
  79                                 "onclick=\"dijit.byId('exceptionDlg').hide()\">" +
  80                                 __('Close') + "</button>";
  81                 content += "</div>";
  82
  83                 if (dijit.byId("exceptionDlg"))
  84                         dijit.byId("exceptionDlg").destroyRecursive();
  85
  86                 var dialog = new dijit.Dialog({
  87                         id: "exceptionDlg",
  88                         title: "Unhandled exception",
  89                         style: "width: 600px",
  90                         report: function() {
  91                                 if (confirm(__("Are you sure to report this exception to tt-rss.org? The report will include your browser information. Your IP would be saved in the database."))) {
  92
  93                                         document.forms['exceptionForm'].params.value = $H({
  94                                                 browserName: navigator.appName,
  95                                                 browserVersion: navigator.appVersion,
  96                                                 browserPlatform: navigator.platform,
  97                                                 browserCookies: navigator.cookieEnabled,
  98                                         }).toQueryString();
  99
 100                                         document.forms['exceptionForm'].submit();
 101
 102                                 }
 103                         },
 104                         content: content});
 105
 106                 dialog.show();
 107
 108         } catch (e) {
 109                 alert(msg);
 110         }
 111
 112 }
 113
 114 function format_exception_error(location, e) {
 115         var msg;
 116
 117         if (e.fileName) {
 118                 var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
 119
 120                 msg = "Exception: " + e.name + ", " + e.message +
 121                         "\nFunction: " + location + "()" +
 122                         "\nLocation: " + base_fname + ":" + e.lineNumber;
 123
 124         } else if (e.description) {
 125                 msg = "Exception: " + e.description + "\nFunction: " + location + "()";
 126         } else {
 127                 msg = "Exception: " + e + "\nFunction: " + location + "()";
 128         }
 129
 130         console.error("EXCEPTION: " + msg);
 131
 132         return msg;
 133 }
 134
 135 function param_escape(arg) {
 136         if (typeof encodeURIComponent != 'undefined')
 137                 return encodeURIComponent(arg);
 138         else
 139                 return escape(arg);
 140 }
 141
 142 function param_unescape(arg) {
 143         if (typeof decodeURIComponent != 'undefined')
 144                 return decodeURIComponent(arg);
 145         else
 146                 return unescape(arg);
 147 }
 148
 149 var notify_hide_timerid = false;
 150
 151 function hide_notify() {
 152         var n = $("notify");
 153         if (n) {
 154                 n.style.display = "none";
 155         }
 156 }
 157
 158 function notify_silent_next() {
 159         notify_silent = true;
 160 }
 161
 162 function notify_real(msg, no_hide, n_type) {
 163
 164         if (notify_silent) {
 165                 notify_silent = false;
 166                 return;
 167         }
 168
 169         var n = $("notify");
 170         var nb = $("notify_body");
 171
 172         if (!n || !nb) return;
 173
 174         if (notify_hide_timerid) {
 175                 window.clearTimeout(notify_hide_timerid);
 176         }
 177
 178         if (msg == "") {
 179                 if (n.style.display == "block") {
 180                         notify_hide_timerid = window.setTimeout("hide_notify()", 0);
 181                 }
 182                 return;
 183         } else {
 184                 n.style.display = "block";
 185         }
 186
 187         /* types:
 188
 189                 1 - generic
 190                 2 - progress
 191                 3 - error
 192                 4 - info
 193
 194         */
 195
 196         if (typeof __ != 'undefined') {
 197                 msg = __(msg);
 198         }
 199
 200         if (n_type == 1) {
 201                 n.className = "notify";
 202         } else if (n_type == 2) {
 203                 n.className = "notifyProgress";
 204                 msg = "<img src='"+getInitParam("sign_progress")+"'> " + msg;
 205         } else if (n_type == 3) {
 206                 n.className = "notifyError";
 207                 msg = "<img src='"+getInitParam("sign_excl")+"'> " + msg;
 208         } else if (n_type == 4) {
 209                 n.className = "notifyInfo";
 210                 msg = "<img src='"+getInitParam("sign_info")+"'> " + msg;
 211         }
 212
 213 //      msg = "<img src='images/live_com_loading.gif'> " + msg;
 214
 215         nb.innerHTML = msg;
 216
 217         if (!no_hide) {
 218                 notify_hide_timerid = window.setTimeout("hide_notify()", 3000);
 219         }
 220 }
 221
 222 function notify(msg, no_hide) {
 223         notify_real(msg, no_hide, 1);
 224 }
 225
 226 function notify_progress(msg, no_hide) {
 227         notify_real(msg, no_hide, 2);
 228 }
 229
 230 function notify_error(msg, no_hide) {
 231         notify_real(msg, no_hide, 3);
 232
 233 }
 234
 235 function notify_info(msg, no_hide) {
 236         notify_real(msg, no_hide, 4);
 237 }
 238
 239 function setCookie(name, value, lifetime, path, domain, secure) {
 240
 241         var d = false;
 242
 243         if (lifetime) {
 244                 d = new Date();
 245                 d.setTime(d.getTime() + (lifetime * 1000));
 246         }
 247
 248         console.log("setCookie: " + name + " => " + value + ": " + d);
 249
 250         int_setCookie(name, value, d, path, domain, secure);
 251
 252 }
 253
 254 function int_setCookie(name, value, expires, path, domain, secure) {
 255         document.cookie= name + "=" + escape(value) +
 256                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 257                 ((path) ? "; path=" + path : "") +
 258                 ((domain) ? "; domain=" + domain : "") +
 259                 ((secure) ? "; secure" : "");
 260 }
 261
 262 function delCookie(name, path, domain) {
 263         if (getCookie(name)) {
 264                 document.cookie = name + "=" +
 265                 ((path) ? ";path=" + path : "") +
 266                 ((domain) ? ";domain=" + domain : "" ) +
 267                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 268         }
 269 }
 270
 271
 272 function getCookie(name) {
 273
 274         var dc = document.cookie;
 275         var prefix = name + "=";
 276         var begin = dc.indexOf("; " + prefix);
 277         if (begin == -1) {
 278             begin = dc.indexOf(prefix);
 279             if (begin != 0) return null;
 280         }
 281         else {
 282             begin += 2;
 283         }
 284         var end = document.cookie.indexOf(";", begin);
 285         if (end == -1) {
 286             end = dc.length;
 287         }
 288         return unescape(dc.substring(begin + prefix.length, end));
 289 }
 290
 291 function gotoPreferences() {
 292         document.location.href = "prefs.php";
 293 }
 294
 295 function gotoMain() {
 296         document.location.href = "index.php";
 297 }
 298
 299 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 300   * * @author Sundar Dorai-Raj
 301   * * Email: sdoraira@vt.edu
 302   * * This program is free software; you can redistribute it and/or
 303   * * modify it under the terms of the GNU General Public License
 304   * * as published by the Free Software Foundation; either version 2
 305   * * of the License, or (at your option) any later version,
 306   * * provided that any use properly credits the author.
 307   * * This program is distributed in the hope that it will be useful,
 308   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 309   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 310   * * GNU General Public License for more details at http://www.gnu.org * * */
 311
 312   var numbers=".0123456789";
 313   function isNumeric(x) {
 314     // is x a String or a character?
 315     if(x.length>1) {
 316       // remove negative sign
 317       x=Math.abs(x)+"";
 318       for(var j=0;j<x.length;j++) {
 319         // call isNumeric recursively for each character
 320         number=isNumeric(x.substring(j,j+1));
 321         if(!number) return number;
 322       }
 323       return number;
 324     }
 325     else {
 326       // if x is number return true
 327       if(numbers.indexOf(x)>=0) return true;
 328       return false;
 329     }
 330   }
 331
 332
 333 function toggleSelectRowById(sender, id) {
 334         var row = $(id);
 335         return toggleSelectRow(sender, row);
 336 }
 337
 338 function toggleSelectListRow(sender) {
 339         var row = sender.parentNode;
 340         return toggleSelectRow(sender, row);
 341 }
 342
 343 /* this is for dijit Checkbox */
 344 function toggleSelectListRow2(sender) {
 345         var row = sender.domNode.parentNode;
 346         return toggleSelectRow(sender, row);
 347 }
 348
 349 function tSR(sender, row) {
 350         return toggleSelectRow(sender, row);
 351 }
 352
 353 /* this is for dijit Checkbox */
 354 function toggleSelectRow2(sender, row) {
 355
 356         if (!row) row = sender.domNode.parentNode.parentNode;
 357
 358         if (sender.checked && !row.hasClassName('Selected'))
 359                 row.addClassName('Selected');
 360         else
 361                 row.removeClassName('Selected');
 362 }
 363
 364
 365 function toggleSelectRow(sender, row) {
 366
 367         if (!row) row = sender.parentNode.parentNode;
 368
 369         if (sender.checked && !row.hasClassName('Selected'))
 370                 row.addClassName('Selected');
 371         else
 372                 row.removeClassName('Selected');
 373 }
 374
 375 function checkboxToggleElement(elem, id) {
 376         if (elem.checked) {
 377                 Effect.Appear(id, {duration : 0.5});
 378         } else {
 379                 Effect.Fade(id, {duration : 0.5});
 380         }
 381 }
 382
 383 function dropboxSelect(e, v) {
 384         for (var i = 0; i < e.length; i++) {
 385                 if (e[i].value == v) {
 386                         e.selectedIndex = i;
 387                         break;
 388                 }
 389         }
 390 }
 391
 392 function getURLParam(param){
 393         return String(window.location.href).parseQuery()[param];
 394 }
 395
 396 function closeInfoBox(cleanup) {
 397         try {
 398                 dialog = dijit.byId("infoBox");
 399
 400                 if (dialog)     dialog.hide();
 401
 402         } catch (e) {
 403                 //exception_error("closeInfoBox", e);
 404         }
 405         return false;
 406 }
 407
 408
 409 function displayDlg(id, param, callback) {
 410
 411         notify_progress("Loading, please wait...", true);
 412
 413         var query = "?op=dlg&method=" +
 414                 param_escape(id) + "&param=" + param_escape(param);
 415
 416         new Ajax.Request("backend.php", {
 417                 parameters: query,
 418                 onComplete: function (transport) {
 419                         infobox_callback2(transport);
 420                         if (callback) callback(transport);
 421                 } });
 422
 423         return false;
 424 }
 425
 426 function infobox_callback2(transport) {
 427         try {
 428                 var dialog = false;
 429
 430                 if (dijit.byId("infoBox")) {
 431                         dialog = dijit.byId("infoBox");
 432                 }
 433
 434                 //console.log("infobox_callback2");
 435                 notify('');
 436
 437                 var title = transport.responseXML.getElementsByTagName("title")[0];
 438                 if (title)
 439                         title = title.firstChild.nodeValue;
 440
 441                 var content = transport.responseXML.getElementsByTagName("content")[0];
 442
 443                 content = content.firstChild.nodeValue;
 444
 445                 if (!dialog) {
 446                         dialog = new dijit.Dialog({
 447                                 title: title,
 448                                 id: 'infoBox',
 449                                 style: "width: 600px",
 450                                 onCancel: function() {
 451                                         return true;
 452                                 },
 453                                 onExecute: function() {
 454                                         return true;
 455                                 },
 456                                 onClose: function() {
 457                                         return true;
 458                                         },
 459                                 content: content});
 460                 } else {
 461                         dialog.attr('title', title);
 462                         dialog.attr('content', content);
 463                 }
 464
 465                 dialog.show();
 466
 467                 notify("");
 468         } catch (e) {
 469                 exception_error("infobox_callback2", e);
 470         }
 471 }
 472
 473 function filterCR(e, f)
 474 {
 475      var key;
 476
 477      if(window.event)
 478           key = window.event.keyCode;     //IE
 479      else
 480           key = e.which;     //firefox
 481
 482         if (key == 13) {
 483                 if (typeof f != 'undefined') {
 484                         f();
 485                         return false;
 486                 } else {
 487                         return false;
 488                 }
 489         } else {
 490                 return true;
 491         }
 492 }
 493
 494 function getInitParam(key) {
 495         return init_params[key];
 496 }
 497
 498 function setInitParam(key, value) {
 499         init_params[key] = value;
 500 }
 501
 502 function fatalError(code, msg, ext_info) {
 503         try {
 504
 505                 if (code == 6) {
 506                         window.location.href = "index.php";
 507                 } else if (code == 5) {
 508                         window.location.href = "db-updater.php";
 509                 } else {
 510
 511                         if (msg == "") msg = "Unknown error";
 512
 513                         if (ext_info) {
 514                                 if (ext_info.responseText) {
 515                                         ext_info = ext_info.responseText;
 516                                 }
 517                         }
 518
 519                         if (ERRORS && ERRORS[code] && !msg) {
 520                                 msg = ERRORS[code];
 521                         }
 522
 523                         var content = "<div><b>Error code:</b> " + code + "</div>" +
 524                                 "<p>" + msg + "</p>";
 525
 526                         if (ext_info) {
 527                                 content = content + "<div><b>Additional information:</b></div>" +
 528                                         "<textarea style='width: 100%' readonly=\"1\">" +
 529                                         ext_info + "</textarea>";
 530                         }
 531
 532                         var dialog = new dijit.Dialog({
 533                                 title: "Fatal error",
 534                                 style: "width: 600px",
 535                                 content: content});
 536
 537                         dialog.show();
 538
 539                 }
 540
 541                 return false;
 542
 543         } catch (e) {
 544                 exception_error("fatalError", e);
 545         }
 546 }
 547
 548 function filterDlgCheckCat(sender) {
 549         try {
 550                 if (sender.checked) {
 551                         Element.show('filterDlg_cats');
 552                         Element.hide('filterDlg_feeds');
 553                 } else {
 554                         Element.show('filterDlg_feeds');
 555                         Element.hide('filterDlg_cats');
 556                 }
 557
 558         } catch (e) {
 559                 exception_error("filterDlgCheckCat", e);
 560         }
 561 }
 562
 563 function filterDlgCheckType(sender) {
 564
 565         try {
 566
 567                 var ftype = sender.value;
 568
 569                 // if selected filter type is 5 (Date) enable the modifier dropbox
 570                 if (ftype == 5) {
 571                         Element.show("filterDlg_dateModBox");
 572                         Element.show("filterDlg_dateChkBox");
 573                 } else {
 574                         Element.hide("filterDlg_dateModBox");
 575                         Element.hide("filterDlg_dateChkBox");
 576
 577                 }
 578
 579         } catch (e) {
 580                 exception_error("filterDlgCheckType", e);
 581         }
 582
 583 }
 584
 585 function filterDlgCheckAction(sender) {
 586
 587         try {
 588
 589                 var action = sender.value;
 590
 591                 var action_param = $("filterDlg_paramBox");
 592
 593                 if (!action_param) {
 594                         console.log("filterDlgCheckAction: can't find action param box!");
 595                         return;
 596                 }
 597
 598                 // if selected action supports parameters, enable params field
 599                 if (action == 4 || action == 6 || action == 7) {
 600                         new Effect.Appear(action_param, {duration : 0.5});
 601                         if (action != 7) {
 602                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
 603                                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 604                         } else {
 605                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 606                                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 607                         }
 608                 } else {
 609                         Element.hide(action_param);
 610                 }
 611
 612         } catch (e) {
 613                 exception_error("filterDlgCheckAction", e);
 614         }
 615
 616 }
 617
 618 function filterDlgCheckDate() {
 619         try {
 620                 var dialog = dijit.byId("filterEditDlg");
 621
 622                 var reg_exp = dialog.attr('value').reg_exp;
 623
 624                 var query = "?op=rpc&method=checkDate&date=" + reg_exp;
 625
 626                 new Ajax.Request("backend.php", {
 627                         parameters: query,
 628                         onComplete: function(transport) {
 629
 630                                 var reply = JSON.parse(transport.responseText);
 631
 632                                 if (reply['result'] == true) {
 633                                         alert(__("Date syntax appears to be correct:") + " " + reply['date']);
 634                                         return;
 635                                 } else {
 636                                         alert(__("Date syntax is incorrect."));
 637                                 }
 638
 639                         } });
 640
 641
 642         } catch (e) {
 643                 exception_error("filterDlgCheckDate", e);
 644         }
 645 }
 646
 647 function explainError(code) {
 648         return displayDlg("explainError", code);
 649 }
 650
 651 function loading_set_progress(p) {
 652         try {
 653                 loading_progress += p;
 654
 655                 if (dijit.byId("loading_bar"))
 656                         dijit.byId("loading_bar").update({progress: loading_progress});
 657
 658                 if (loading_progress >= 90)
 659                         remove_splash();
 660
 661         } catch (e) {
 662                 exception_error("loading_set_progress", e);
 663         }
 664 }
 665
 666 function remove_splash() {
 667
 668         if (Element.visible("overlay")) {
 669                 console.log("about to remove splash, OMG!");
 670                 Element.hide("overlay");
 671                 console.log("removed splash!");
 672         }
 673 }
 674
 675 function transport_error_check(transport) {
 676         try {
 677                 if (transport.responseXML) {
 678                         var error = transport.responseXML.getElementsByTagName("error")[0];
 679
 680                         if (error) {
 681                                 var code = error.getAttribute("error-code");
 682                                 var msg = error.getAttribute("error-msg");
 683                                 if (code != 0) {
 684                                         fatalError(code, msg);
 685                                         return false;
 686                                 }
 687                         }
 688                 }
 689         } catch (e) {
 690                 exception_error("check_for_error_xml", e);
 691         }
 692         return true;
 693 }
 694
 695 function strip_tags(s) {
 696         return s.replace(/<\/?[^>]+(>|$)/g, "");
 697 }
 698
 699 function truncate_string(s, length) {
 700         if (!length) length = 30;
 701         var tmp = s.substring(0, length);
 702         if (s.length > length) tmp += "&hellip;";
 703         return tmp;
 704 }
 705
 706 function hotkey_prefix_timeout() {
 707         try {
 708
 709                 var date = new Date();
 710                 var ts = Math.round(date.getTime() / 1000);
 711
 712                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 713                         console.log("hotkey_prefix seems to be stuck, aborting");
 714                         hotkey_prefix_pressed = false;
 715                         hotkey_prefix = false;
 716                         Element.hide('cmdline');
 717                 }
 718
 719                 setTimeout("hotkey_prefix_timeout()", 1000);
 720
 721         } catch  (e) {
 722                 exception_error("hotkey_prefix_timeout", e);
 723         }
 724 }
 725
 726 function hideAuxDlg() {
 727         try {
 728                 Element.hide('auxDlg');
 729         } catch (e) {
 730                 exception_error("hideAuxDlg", e);
 731         }
 732 }
 733
 734
 735 function uploadIconHandler(rc) {
 736         try {
 737                 switch (rc) {
 738                         case 0:
 739                                 notify_info("Upload complete.");
 740                                 if (inPreferences()) {
 741                                         updateFeedList();
 742                                 } else {
 743                                         setTimeout('updateFeedList(false, false)', 50);
 744                                 }
 745                                 break;
 746                         case 1:
 747                                 notify_error("Upload failed: icon is too big.");
 748                                 break;
 749                         case 2:
 750                                 notify_error("Upload failed.");
 751                                 break;
 752                 }
 753
 754         } catch (e) {
 755                 exception_error("uploadIconHandler", e);
 756         }
 757 }
 758
 759 function removeFeedIcon(id) {
 760
 761         try {
 762
 763                 if (confirm(__("Remove stored feed icon?"))) {
 764                         var query = "backend.php?op=pref-feeds&method=removeicon&feed_id=" + param_escape(id);
 765
 766                         console.log(query);
 767
 768                         notify_progress("Removing feed icon...", true);
 769
 770                         new Ajax.Request("backend.php", {
 771                                 parameters: query,
 772                                 onComplete: function(transport) {
 773                                         notify_info("Feed icon removed.");
 774                                         if (inPreferences()) {
 775                                                 updateFeedList();
 776                                         } else {
 777                                                 setTimeout('updateFeedList(false, false)', 50);
 778                                         }
 779                                 } });
 780                 }
 781
 782                 return false;
 783         } catch (e) {
 784                 exception_error("removeFeedIcon", e);
 785         }
 786 }
 787
 788 function uploadFeedIcon() {
 789
 790         try {
 791
 792                 var file = $("icon_file");
 793
 794                 if (file.value.length == 0) {
 795                         alert(__("Please select an image file to upload."));
 796                 } else {
 797                         if (confirm(__("Upload new icon for this feed?"))) {
 798                                 notify_progress("Uploading, please wait...", true);
 799                                 return true;
 800                         }
 801                 }
 802
 803                 return false;
 804
 805         } catch (e) {
 806                 exception_error("uploadFeedIcon", e);
 807         }
 808 }
 809
 810 function addLabel(select, callback) {
 811
 812         try {
 813
 814                 var caption = prompt(__("Please enter label caption:"), "");
 815
 816                 if (caption != undefined) {
 817
 818                         if (caption == "") {
 819                                 alert(__("Can't create label: missing caption."));
 820                                 return false;
 821                         }
 822
 823                         var query = "?op=pref-labels&method=add&caption=" +
 824                                 param_escape(caption);
 825
 826                         if (select)
 827                                 query += "&output=select";
 828
 829                         notify_progress("Loading, please wait...", true);
 830
 831                         if (inPreferences() && !select) active_tab = "labelConfig";
 832
 833                         new Ajax.Request("backend.php", {
 834                                 parameters: query,
 835                                 onComplete: function(transport) {
 836                                         if (callback) {
 837                                                 callback(transport);
 838                                         } else if (inPreferences()) {
 839                                                 updateLabelList();
 840                                         } else {
 841                                                 updateFeedList();
 842                                         }
 843                         } });
 844
 845                 }
 846
 847         } catch (e) {
 848                 exception_error("addLabel", e);
 849         }
 850 }
 851
 852 function quickAddFeed() {
 853         try {
 854                 var query = "backend.php?op=dlg&method=quickAddFeed";
 855
 856                 if (dijit.byId("feedAddDlg"))
 857                         dijit.byId("feedAddDlg").destroyRecursive();
 858
 859                 var dialog = new dijit.Dialog({
 860                         id: "feedAddDlg",
 861                         title: __("Subscribe to Feed"),
 862                         style: "width: 600px",
 863                         execute: function() {
 864                                 if (this.validate()) {
 865                                         console.log(dojo.objectToQuery(this.attr('value')));
 866
 867                                         var feed_url = this.attr('value').feed;
 868
 869                                         notify_progress(__("Subscribing to feed..."), true);
 870
 871                                         new Ajax.Request("backend.php", {
 872                                                 parameters: dojo.objectToQuery(this.attr('value')),
 873                                                 onComplete: function(transport) {
 874                                                         try {
 875
 876                                                                 var reply = JSON.parse(transport.responseText);
 877
 878                                                                 var rc = parseInt(reply['result']);
 879
 880                                                                 notify('');
 881
 882                                                                 console.log("GOT RC: " + rc);
 883
 884                                                                 switch (rc) {
 885                                                                 case 1:
 886                                                                         dialog.hide();
 887                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 888
 889                                                                         updateFeedList();
 890                                                                         break;
 891                                                                 case 2:
 892                                                                         alert(__("Specified URL seems to be invalid."));
 893                                                                         break;
 894                                                                 case 3:
 895                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 896                                                                         break;
 897                                                                 case 4:
 898                                                                         notify_progress("Searching for feed urls...", true);
 899
 900                                                                         new Ajax.Request("backend.php", {
 901                                                                                 parameters: 'op=rpc&method=extractfeedurls&url=' + param_escape(feed_url),
 902                                                                                 onComplete: function(transport, dialog, feed_url) {
 903
 904                                                                                         notify('');
 905
 906                                                                                         var reply = JSON.parse(transport.responseText);
 907
 908                                                                                         var feeds = reply['urls'];
 909
 910                                                                                         console.log(transport.responseText);
 911
 912                                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 913
 914                                                                                         while (select.getOptions().length > 0)
 915                                                                                                 select.removeOption(0);
 916
 917                                                                                         var count = 0;
 918                                                                                         for (var feedUrl in feeds) {
 919                                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 920                                                                                                 count++;
 921                                                                                         }
 922
 923 //                                                                                      if (count > 5) count = 5;
 924 //                                                                                      select.size = count;
 925
 926                                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 927                                                                                 }
 928                                                                         });
 929                                                                         break;
 930                                                                 case 5:
 931                                                                         alert(__("Couldn't download the specified URL."));
 932                                                                         break;
 933                                                                 case 0:
 934                                                                         alert(__("You are already subscribed to this feed."));
 935                                                                         break;
 936                                                                 }
 937
 938                                                         } catch (e) {
 939                                                                 exception_error("subscribeToFeed", e, transport);
 940                                                         }
 941
 942                                                 } });
 943
 944                                         }
 945                         },
 946                         href: query});
 947
 948                 dialog.show();
 949         } catch (e) {
 950                 exception_error("quickAddFeed", e);
 951         }
 952 }
 953
 954 function quickAddFilter() {
 955         try {
 956                 var query = "backend.php?op=dlg&method=quickAddFilter";
 957
 958                 if (dijit.byId("feedEditDlg"))
 959                         dijit.byId("feedEditDlg").destroyRecursive();
 960
 961                 if (dijit.byId("filterEditDlg"))
 962                         dijit.byId("filterEditDlg").destroyRecursive();
 963
 964                 dialog = new dijit.Dialog({
 965                         id: "filterEditDlg",
 966                         title: __("Create Filter"),
 967                         style: "width: 600px",
 968                         test: function() {
 969                                 if (this.validate()) {
 970
 971                                         var query = "?op=rpc&method=verifyRegexp&reg_exp=" +
 972                                                 param_escape(dialog.attr('value').reg_exp);
 973
 974                                         notify_progress("Verifying regular expression...");
 975
 976                                         new Ajax.Request("backend.php", {
 977                                                 parameters: query,
 978                                                 onComplete: function(transport) {
 979                                                         var reply = JSON.parse(transport.responseText);
 980
 981                                                         if (reply) {
 982                                                                 notify('');
 983
 984                                                                 if (!reply['status']) {
 985                                                                         alert("Invalid regular expression.");
 986                                                                         return;
 987                                                                 } else {
 988
 989                                                                         if (dijit.byId("filterTestDlg"))
 990                                                                                 dijit.byId("filterTestDlg").destroyRecursive();
 991
 992                                                                         tdialog = new dijit.Dialog({
 993                                                                                 id: "filterTestDlg",
 994                                                                                 title: __("Filter Test Results"),
 995                                                                                 style: "width: 600px",
 996                                                                                 href: "backend.php?savemode=test&" +
 997                                                                                 dojo.objectToQuery(dialog.attr('value')),
 998                                                                         });
 999
1000                                                                         tdialog.show();
1001                                                                 }
1002                                                         }
1003                                         }});
1004                                 }
1005                         },
1006                         execute: function() {
1007                                 if (this.validate()) {
1008
1009                                         var query = "?op=rpc&method=verifyRegexp&reg_exp=" +
1010                                                 param_escape(dialog.attr('value').reg_exp);
1011
1012                                         notify_progress("Verifying regular expression...");
1013
1014                                         new Ajax.Request("backend.php", {
1015                                                 parameters: query,
1016                                                 onComplete: function(transport) {
1017                                                         var reply = JSON.parse(transport.responseText);
1018
1019                                                         if (reply) {
1020                                                                 notify('');
1021
1022                                                                 if (!reply['status']) {
1023                                                                         alert("Invalid regular expression.");
1024                                                                         return;
1025                                                                 } else {
1026                                                                         notify_progress("Saving data...", true);
1027
1028                                                                         console.log(dojo.objectToQuery(dialog.attr('value')));
1029
1030                                                                         new Ajax.Request("backend.php", {
1031                                                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1032                                                                                 onComplete: function(transport) {
1033                                                                                         dialog.hide();
1034                                                                                         notify_info(transport.responseText);
1035                                                                                         if (inPreferences()) {
1036                                                                                                 updateFilterList();
1037                                                                                         }
1038                                                                         }});
1039                                                                 }
1040                                                         }
1041                                         }});
1042                                 }
1043                         },
1044                         href: query});
1045
1046                 dialog.show();
1047
1048                 var lh = dojo.connect(dialog, "onLoad",
1049                                 function() {
1050                                         dojo.disconnect(lh);
1051                                         var title = $("PTITLE-FULL-" + active_post_id);
1052
1053                                         if (title) {
1054                                                 $("filterDlg_regExp").value = title.innerHTML;
1055                                         }
1056                         });
1057
1058         } catch (e) {
1059                 exception_error("quickAddFilter", e);
1060         }
1061 }
1062
1063 function resetPubSub(feed_id, title) {
1064
1065         var msg = __("Reset subscription? Tiny Tiny RSS will try to subscribe to the notification hub again on next feed update.").replace("%s", title);
1066
1067         if (title == undefined || confirm(msg)) {
1068                 notify_progress("Loading, please wait...");
1069
1070                 var query = "?op=pref-feeds&quiet=1&method=resetPubSub&ids=" + feed_id;
1071
1072                 new Ajax.Request("backend.php", {
1073                         parameters: query,
1074                         onComplete: function(transport) {
1075                                 dijit.byId("pubsubReset_Btn").attr('disabled', true);
1076                                 notify_info("Subscription reset.");
1077                         } });
1078         }
1079
1080         return false;
1081 }
1082
1083
1084 function unsubscribeFeed(feed_id, title) {
1085
1086         var msg = __("Unsubscribe from %s?").replace("%s", title);
1087
1088         if (title == undefined || confirm(msg)) {
1089                 notify_progress("Removing feed...");
1090
1091                 var query = "?op=pref-feeds&quiet=1&method=remove&ids=" + feed_id;
1092
1093                 new Ajax.Request("backend.php", {
1094                         parameters: query,
1095                         onComplete: function(transport) {
1096
1097                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1098
1099                                         if (inPreferences()) {
1100                                                 updateFeedList();
1101                                         } else {
1102                                                 if (feed_id == getActiveFeedId())
1103                                                         setTimeout("viewfeed(-5)", 100);
1104                                         }
1105
1106                                 } });
1107         }
1108
1109         return false;
1110 }
1111
1112
1113 function backend_sanity_check_callback(transport) {
1114
1115         try {
1116
1117                 if (sanity_check_done) {
1118                         fatalError(11, "Sanity check request received twice. This can indicate "+
1119                       "presence of Firebug or some other disrupting extension. "+
1120                                 "Please disable it and try again.");
1121                         return;
1122                 }
1123
1124                 var reply = JSON.parse(transport.responseText);
1125
1126                 if (!reply) {
1127                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1128                         return;
1129                 }
1130
1131                 var error_code = reply['error']['code'];
1132
1133                 if (error_code && error_code != 0) {
1134                         return fatalError(error_code, reply['error']['message']);
1135                 }
1136
1137                 console.log("sanity check ok");
1138
1139                 var params = reply['init-params'];
1140
1141                 if (params) {
1142                         console.log('reading init-params...');
1143
1144                         if (params) {
1145                                 for (k in params) {
1146                                         var v = params[k];
1147                                         console.log("IP: " + k + " => " + v);
1148                                 }
1149                         }
1150
1151                         init_params = params;
1152                 }
1153
1154                 sanity_check_done = true;
1155
1156                 init_second_stage();
1157
1158         } catch (e) {
1159                 exception_error("backend_sanity_check_callback", e, transport);
1160         }
1161 }
1162
1163 /*function has_local_storage() {
1164         try {
1165                 return 'sessionStorage' in window && window['sessionStorage'] != null;
1166         } catch (e) {
1167                 return false;
1168         }
1169 } */
1170
1171 function catSelectOnChange(elem) {
1172         try {
1173 /*              var value = elem[elem.selectedIndex].value;
1174                 var def = elem.getAttribute('default');
1175
1176                 if (value == "ADD_CAT") {
1177
1178                         if (def)
1179                                 dropboxSelect(elem, def);
1180                         else
1181                                 elem.selectedIndex = 0;
1182
1183                         quickAddCat(elem);
1184                 } */
1185
1186         } catch (e) {
1187                 exception_error("catSelectOnChange", e);
1188         }
1189 }
1190
1191 function quickAddCat(elem) {
1192         try {
1193                 var cat = prompt(__("Please enter category title:"));
1194
1195                 if (cat) {
1196
1197                         var query = "?op=rpc&method=quickAddCat&cat=" + param_escape(cat);
1198
1199                         notify_progress("Loading, please wait...", true);
1200
1201                         new Ajax.Request("backend.php", {
1202                                 parameters: query,
1203                                 onComplete: function (transport) {
1204                                         var response = transport.responseXML;
1205                                         var select = response.getElementsByTagName("select")[0];
1206                                         var options = select.getElementsByTagName("option");
1207
1208                                         dropbox_replace_options(elem, options);
1209
1210                                         notify('');
1211
1212                         } });
1213
1214                 }
1215
1216         } catch (e) {
1217                 exception_error("quickAddCat", e);
1218         }
1219 }
1220
1221 function genUrlChangeKey(feed, is_cat) {
1222
1223         try {
1224                 var ok = confirm(__("Generate new syndication address for this feed?"));
1225
1226                 if (ok) {
1227
1228                         notify_progress("Trying to change address...", true);
1229
1230                         var query = "?op=rpc&method=regenFeedKey&id=" + param_escape(feed) +
1231                                 "&is_cat=" + param_escape(is_cat);
1232
1233                         new Ajax.Request("backend.php", {
1234                                 parameters: query,
1235                                 onComplete: function(transport) {
1236                                                 var reply = JSON.parse(transport.responseText);
1237                                                 var new_link = reply.link;
1238
1239                                                 var e = $('gen_feed_url');
1240
1241                                                 if (new_link) {
1242
1243                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1244                                                                 "&amp;key=" + new_link);
1245
1246                                                         e.href = e.href.replace(/\&key=.*$/,
1247                                                                 "&key=" + new_link);
1248
1249                                                         new Effect.Highlight(e);
1250
1251                                                         notify('');
1252
1253                                                 } else {
1254                                                         notify_error("Could not change feed URL.");
1255                                                 }
1256                                 } });
1257                 }
1258         } catch (e) {
1259                 exception_error("genUrlChangeKey", e);
1260         }
1261         return false;
1262 }
1263
1264 function labelSelectOnChange(elem) {
1265         try {
1266 /*              var value = elem[elem.selectedIndex].value;
1267                 var def = elem.getAttribute('default');
1268
1269                 if (value == "ADD_LABEL") {
1270
1271                         if (def)
1272                                 dropboxSelect(elem, def);
1273                         else
1274                                 elem.selectedIndex = 0;
1275
1276                         addLabel(elem, function(transport) {
1277
1278                                         try {
1279
1280                                                 var response = transport.responseXML;
1281                                                 var select = response.getElementsByTagName("select")[0];
1282                                                 var options = select.getElementsByTagName("option");
1283
1284                                                 dropbox_replace_options(elem, options);
1285
1286                                                 notify('');
1287                                         } catch (e) {
1288                                                 exception_error("addLabel", e);
1289                                         }
1290                         });
1291                 } */
1292
1293         } catch (e) {
1294                 exception_error("labelSelectOnChange", e);
1295         }
1296 }
1297
1298 function dropbox_replace_options(elem, options) {
1299
1300         try {
1301                 while (elem.hasChildNodes())
1302                         elem.removeChild(elem.firstChild);
1303
1304                 var sel_idx = -1;
1305
1306                 for (var i = 0; i < options.length; i++) {
1307                         var text = options[i].firstChild.nodeValue;
1308                         var value = options[i].getAttribute("value");
1309
1310                         if (value == undefined) value = text;
1311
1312                         var issel = options[i].getAttribute("selected") == "1";
1313
1314                         var option = new Option(text, value, issel);
1315
1316                         if (options[i].getAttribute("disabled"))
1317                                 option.setAttribute("disabled", true);
1318
1319                         elem.insert(option);
1320
1321                         if (issel) sel_idx = i;
1322                 }
1323
1324                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1325                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1326
1327         } catch (e) {
1328                 exception_error("dropbox_replace_options", e);
1329         }
1330 }
1331
1332 // mode = all, none, invert
1333 function selectTableRows(id, mode) {
1334         try {
1335                 var rows = $(id).rows;
1336
1337                 for (var i = 0; i < rows.length; i++) {
1338                         var row = rows[i];
1339                         var cb = false;
1340                         var dcb = false;
1341
1342                         if (row.id && row.className) {
1343                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1344                                 var inputs = rows[i].getElementsByTagName("input");
1345
1346                                 for (var j = 0; j < inputs.length; j++) {
1347                                         var input = inputs[j];
1348
1349                                         if (input.getAttribute("type") == "checkbox" &&
1350                                                         input.id.match(bare_id)) {
1351
1352                                                 cb = input;
1353                                                 dcb = dijit.getEnclosingWidget(cb);
1354                                                 break;
1355                                         }
1356                                 }
1357
1358                                 if (cb || dcb) {
1359                                         var issel = row.hasClassName("Selected");
1360
1361                                         if (mode == "all" && !issel) {
1362                                                 row.addClassName("Selected");
1363                                                 cb.checked = true;
1364                                                 if (dcb) dcb.set("checked", true);
1365                                         } else if (mode == "none" && issel) {
1366                                                 row.removeClassName("Selected");
1367                                                 cb.checked = false;
1368                                                 if (dcb) dcb.set("checked", false);
1369
1370                                         } else if (mode == "invert") {
1371
1372                                                 if (issel) {
1373                                                         row.removeClassName("Selected");
1374                                                         cb.checked = false;
1375                                                         if (dcb) dcb.set("checked", false);
1376                                                 } else {
1377                                                         row.addClassName("Selected");
1378                                                         cb.checked = true;
1379                                                         if (dcb) dcb.set("checked", true);
1380                                                 }
1381                                         }
1382                                 }
1383                         }
1384                 }
1385
1386         } catch (e) {
1387                 exception_error("selectTableRows", e);
1388
1389         }
1390 }
1391
1392 function getSelectedTableRowIds(id) {
1393         var rows = [];
1394
1395         try {
1396                 var elem_rows = $(id).rows;
1397
1398                 for (var i = 0; i < elem_rows.length; i++) {
1399                         if (elem_rows[i].hasClassName("Selected")) {
1400                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1401                                 rows.push(bare_id);
1402                         }
1403                 }
1404
1405         } catch (e) {
1406                 exception_error("getSelectedTableRowIds", e);
1407         }
1408
1409         return rows;
1410 }
1411
1412 function editFeed(feed, event) {
1413         try {
1414                 if (feed <= 0)
1415                         return alert(__("You can't edit this kind of feed."));
1416
1417                 var query = "backend.php?op=pref-feeds&method=editfeed&id=" +
1418                         param_escape(feed);
1419
1420                 console.log(query);
1421
1422                 if (dijit.byId("filterEditDlg"))
1423                         dijit.byId("filterEditDlg").destroyRecursive();
1424
1425                 if (dijit.byId("feedEditDlg"))
1426                         dijit.byId("feedEditDlg").destroyRecursive();
1427
1428                 dialog = new dijit.Dialog({
1429                         id: "feedEditDlg",
1430                         title: __("Edit Feed"),
1431                         style: "width: 600px",
1432                         execute: function() {
1433                                 if (this.validate()) {
1434 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1435
1436                                         notify_progress("Saving data...", true);
1437
1438                                         new Ajax.Request("backend.php", {
1439                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1440                                                 onComplete: function(transport) {
1441                                                         dialog.hide();
1442                                                         notify('');
1443                                                         updateFeedList();
1444                                         }});
1445                                 }
1446                         },
1447                         href: query});
1448
1449                 dialog.show();
1450
1451         } catch (e) {
1452                 exception_error("editFeed", e);
1453         }
1454 }
1455
1456 function feedBrowser() {
1457         try {
1458                 var query = "backend.php?op=dlg&method=feedBrowser";
1459
1460                 if (dijit.byId("feedAddDlg"))
1461                         dijit.byId("feedAddDlg").hide();
1462
1463                 if (dijit.byId("feedBrowserDlg"))
1464                         dijit.byId("feedBrowserDlg").destroyRecursive();
1465
1466                 var dialog = new dijit.Dialog({
1467                         id: "feedBrowserDlg",
1468                         title: __("More Feeds"),
1469                         style: "width: 600px",
1470                         getSelectedFeedIds: function() {
1471                                 var list = $$("#browseFeedList li[id*=FBROW]");
1472                                 var selected = new Array();
1473
1474                                 list.each(function(child) {
1475                                         var id = child.id.replace("FBROW-", "");
1476
1477                                         if (child.hasClassName('Selected')) {
1478                                                 selected.push(id);
1479                                         }
1480                                 });
1481
1482                                 return selected;
1483                         },
1484                         getSelectedFeeds: function() {
1485                                 var list = $$("#browseFeedList li.Selected");
1486                                 var selected = new Array();
1487
1488                                 list.each(function(child) {
1489                                         var title = child.getElementsBySelector("span.fb_feedTitle")[0].innerHTML;
1490                                         var url = child.getElementsBySelector("a.fb_feedUrl")[0].href;
1491
1492                                         selected.push([title,url]);
1493
1494                                 });
1495
1496                                 return selected;
1497                         },
1498
1499                         subscribe: function() {
1500                                 var mode = this.attr('value').mode;
1501                                 var selected = [];
1502
1503                                 if (mode == "1")
1504                                         selected = this.getSelectedFeeds();
1505                                 else
1506                                         selected = this.getSelectedFeedIds();
1507
1508                                 if (selected.length > 0) {
1509                                         dijit.byId("feedBrowserDlg").hide();
1510
1511                                         notify_progress("Loading, please wait...", true);
1512
1513                                         // we use dojo.toJson instead of JSON.stringify because
1514                                         // it somehow escapes everything TWICE, at least in Chrome 9
1515
1516                                         var query = "?op=rpc&method=massSubscribe&payload="+
1517                                                 param_escape(dojo.toJson(selected)) + "&mode=" + param_escape(mode);
1518
1519                                         console.log(query);
1520
1521                                         new Ajax.Request("backend.php", {
1522                                                 parameters: query,
1523                                                 onComplete: function(transport) {
1524                                                         notify('');
1525                                                         updateFeedList();
1526                                                 } });
1527
1528                                 } else {
1529                                         alert(__("No feeds are selected."));
1530                                 }
1531
1532                         },
1533                         update: function() {
1534                                 var query = dojo.objectToQuery(dialog.attr('value'));
1535
1536                                 Element.show('feed_browser_spinner');
1537
1538                                 new Ajax.Request("backend.php", {
1539                                         parameters: query,
1540                                         onComplete: function(transport) {
1541                                                 notify('');
1542
1543                                                 Element.hide('feed_browser_spinner');
1544
1545                                                 var c = $("browseFeedList");
1546
1547                                                 var reply = JSON.parse(transport.responseText);
1548
1549                                                 var r = reply['content'];
1550                                                 var mode = reply['mode'];
1551
1552                                                 if (c && r) {
1553                                                         c.innerHTML = r;
1554                                                 }
1555
1556                                                 dojo.parser.parse("browseFeedList");
1557
1558                                                 if (mode == 2) {
1559                                                         Element.show(dijit.byId('feed_archive_remove').domNode);
1560                                                 } else {
1561                                                         Element.hide(dijit.byId('feed_archive_remove').domNode);
1562                                                 }
1563
1564                                         } });
1565                         },
1566                         removeFromArchive: function() {
1567                                 var selected = this.getSelectedFeeds();
1568
1569                                 if (selected.length > 0) {
1570
1571                                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1572
1573                                         if (confirm(pr)) {
1574                                                 Element.show('feed_browser_spinner');
1575
1576                                                 var query = "?op=rpc&method=remarchived&ids=" +
1577                                                         param_escape(selected.toString());;
1578
1579                                                 new Ajax.Request("backend.php", {
1580                                                         parameters: query,
1581                                                         onComplete: function(transport) {
1582                                                                 dialog.update();
1583                                                         } });
1584                                         }
1585                                 }
1586                         },
1587                         execute: function() {
1588                                 if (this.validate()) {
1589                                         this.subscribe();
1590                                 }
1591                         },
1592                         href: query});
1593
1594                 dialog.show();
1595
1596         } catch (e) {
1597                 exception_error("editFeed", e);
1598         }
1599 }
1600
1601 function showFeedsWithErrors() {
1602         try {
1603                 var query = "backend.php?op=dlg&method=feedsWithErrors";
1604
1605                 if (dijit.byId("errorFeedsDlg"))
1606                         dijit.byId("errorFeedsDlg").destroyRecursive();
1607
1608                 dialog = new dijit.Dialog({
1609                         id: "errorFeedsDlg",
1610                         title: __("Feeds with update errors"),
1611                         style: "width: 600px",
1612                         getSelectedFeeds: function() {
1613                                 return getSelectedTableRowIds("prefErrorFeedList");
1614                         },
1615                         removeSelected: function() {
1616                                 var sel_rows = this.getSelectedFeeds();
1617
1618                                 console.log(sel_rows);
1619
1620                                 if (sel_rows.length > 0) {
1621                                         var ok = confirm(__("Remove selected feeds?"));
1622
1623                                         if (ok) {
1624                                                 notify_progress("Removing selected feeds...", true);
1625
1626                                                 var query = "?op=pref-feeds&method=remove&ids="+
1627                                                         param_escape(sel_rows.toString());
1628
1629                                                 new Ajax.Request("backend.php", {
1630                                                         parameters: query,
1631                                                         onComplete: function(transport) {
1632                                                                 notify('');
1633                                                                 dialog.hide();
1634                                                                 updateFeedList();
1635                                                         } });
1636                                         }
1637
1638                                 } else {
1639                                         alert(__("No feeds are selected."));
1640                                 }
1641                         },
1642                         execute: function() {
1643                                 if (this.validate()) {
1644                                 }
1645                         },
1646                         href: query});
1647
1648                 dialog.show();
1649
1650         } catch (e) {
1651                 exception_error("showFeedsWithErrors", e);
1652         }
1653
1654 }
1655
1656 /* new support functions for SelectByTag */
1657
1658 function get_all_tags(selObj){
1659         try {
1660                 if( !selObj ) return "";
1661
1662                 var result = "";
1663                 var len = selObj.options.length;
1664
1665                 for (var i=0; i < len; i++){
1666                         if (selObj.options[i].selected) {
1667                                 result += selObj[i].value + "%2C";   // is really a comma
1668                         }
1669                 }
1670
1671                 if (result.length > 0){
1672                         result = result.substr(0, result.length-3);  // remove trailing %2C
1673                 }
1674
1675                 return(result);
1676
1677         } catch (e) {
1678                 exception_error("get_all_tags", e);
1679         }
1680 }
1681
1682 function get_radio_checked(radioObj) {
1683         try {
1684                 if (!radioObj) return "";
1685
1686                 var len = radioObj.length;
1687
1688                 if (len == undefined){
1689                         if(radioObj.checked){
1690                                 return(radioObj.value);
1691                         } else {
1692                                 return("");
1693                         }
1694                 }
1695
1696                 for( var i=0; i < len; i++ ){
1697                         if( radioObj[i].checked ){
1698                                 return( radioObj[i].value);
1699                         }
1700                 }
1701
1702         } catch (e) {
1703                 exception_error("get_radio_checked", e);
1704         }
1705         return("");
1706 }
1707
1708 function get_timestamp() {
1709         var date = new Date();
1710         return Math.round(date.getTime() / 1000);
1711 }