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='images/indicator_white.gif'> " + msg;
 205         } else if (n_type == 3) {
 206                 n.className = "notifyError";
 207                 msg = "<img src='images/sign_excl.svg'> " + msg;
 208         } else if (n_type == 4) {
 209                 n.className = "notifyInfo";
 210                 msg = "<img src='images/sign_info.svg'> " + msg;
 211         }
 212
 213 //      msg = "<img src='images/live_com_loading.gif'> " + msg;
 214
 215         if (no_hide) {
 216                 msg += " (<a href='#' onclick=\"notify('')\">X</a>)";
 217         }
 218
 219
 220         nb.innerHTML = msg;
 221
 222         if (!no_hide) {
 223                 notify_hide_timerid = window.setTimeout("hide_notify()", 3000);
 224         }
 225 }
 226
 227 function notify(msg, no_hide) {
 228         notify_real(msg, no_hide, 1);
 229 }
 230
 231 function notify_progress(msg, no_hide) {
 232         notify_real(msg, no_hide, 2);
 233 }
 234
 235 function notify_error(msg, no_hide) {
 236         notify_real(msg, no_hide, 3);
 237
 238 }
 239
 240 function notify_info(msg, no_hide) {
 241         notify_real(msg, no_hide, 4);
 242 }
 243
 244 function setCookie(name, value, lifetime, path, domain, secure) {
 245
 246         var d = false;
 247
 248         if (lifetime) {
 249                 d = new Date();
 250                 d.setTime(d.getTime() + (lifetime * 1000));
 251         }
 252
 253         console.log("setCookie: " + name + " => " + value + ": " + d);
 254
 255         int_setCookie(name, value, d, path, domain, secure);
 256
 257 }
 258
 259 function int_setCookie(name, value, expires, path, domain, secure) {
 260         document.cookie= name + "=" + escape(value) +
 261                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 262                 ((path) ? "; path=" + path : "") +
 263                 ((domain) ? "; domain=" + domain : "") +
 264                 ((secure) ? "; secure" : "");
 265 }
 266
 267 function delCookie(name, path, domain) {
 268         if (getCookie(name)) {
 269                 document.cookie = name + "=" +
 270                 ((path) ? ";path=" + path : "") +
 271                 ((domain) ? ";domain=" + domain : "" ) +
 272                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 273         }
 274 }
 275
 276
 277 function getCookie(name) {
 278
 279         var dc = document.cookie;
 280         var prefix = name + "=";
 281         var begin = dc.indexOf("; " + prefix);
 282         if (begin == -1) {
 283             begin = dc.indexOf(prefix);
 284             if (begin != 0) return null;
 285         }
 286         else {
 287             begin += 2;
 288         }
 289         var end = document.cookie.indexOf(";", begin);
 290         if (end == -1) {
 291             end = dc.length;
 292         }
 293         return unescape(dc.substring(begin + prefix.length, end));
 294 }
 295
 296 function gotoPreferences() {
 297         document.location.href = "prefs.php";
 298 }
 299
 300 function gotoLogout() {
 301         document.location.href = "backend.php?op=logout";
 302 }
 303
 304 function gotoMain() {
 305         document.location.href = "index.php";
 306 }
 307
 308 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 309   * * @author Sundar Dorai-Raj
 310   * * Email: sdoraira@vt.edu
 311   * * This program is free software; you can redistribute it and/or
 312   * * modify it under the terms of the GNU General Public License
 313   * * as published by the Free Software Foundation; either version 2
 314   * * of the License, or (at your option) any later version,
 315   * * provided that any use properly credits the author.
 316   * * This program is distributed in the hope that it will be useful,
 317   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 318   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 319   * * GNU General Public License for more details at http://www.gnu.org * * */
 320
 321   var numbers=".0123456789";
 322   function isNumeric(x) {
 323     // is x a String or a character?
 324     if(x.length>1) {
 325       // remove negative sign
 326       x=Math.abs(x)+"";
 327       for(var j=0;j<x.length;j++) {
 328         // call isNumeric recursively for each character
 329         number=isNumeric(x.substring(j,j+1));
 330         if(!number) return number;
 331       }
 332       return number;
 333     }
 334     else {
 335       // if x is number return true
 336       if(numbers.indexOf(x)>=0) return true;
 337       return false;
 338     }
 339   }
 340
 341
 342 function toggleSelectRowById(sender, id) {
 343         var row = $(id);
 344         return toggleSelectRow(sender, row);
 345 }
 346
 347 function toggleSelectListRow(sender) {
 348         var row = sender.parentNode;
 349         return toggleSelectRow(sender, row);
 350 }
 351
 352 /* this is for dijit Checkbox */
 353 function toggleSelectListRow2(sender) {
 354         var row = sender.domNode.parentNode;
 355         return toggleSelectRow(sender, row);
 356 }
 357
 358 /* this is for dijit Checkbox */
 359 function toggleSelectRow2(sender, row, is_cdm) {
 360
 361         if (!row)
 362                 if (!is_cdm)
 363                         row = sender.domNode.parentNode.parentNode;
 364                 else
 365                         row = sender.domNode.parentNode.parentNode.parentNode; // oh ffs
 366
 367         if (sender.checked && !row.hasClassName('Selected'))
 368                 row.addClassName('Selected');
 369         else
 370                 row.removeClassName('Selected');
 371 }
 372
 373
 374 function toggleSelectRow(sender, row) {
 375
 376         if (!row) row = sender.parentNode.parentNode;
 377
 378         if (sender.checked && !row.hasClassName('Selected'))
 379                 row.addClassName('Selected');
 380         else
 381                 row.removeClassName('Selected');
 382 }
 383
 384 function checkboxToggleElement(elem, id) {
 385         if (elem.checked) {
 386                 Effect.Appear(id, {duration : 0.5});
 387         } else {
 388                 Effect.Fade(id, {duration : 0.5});
 389         }
 390 }
 391
 392 function dropboxSelect(e, v) {
 393         for (var i = 0; i < e.length; i++) {
 394                 if (e[i].value == v) {
 395                         e.selectedIndex = i;
 396                         break;
 397                 }
 398         }
 399 }
 400
 401 function getURLParam(param){
 402         return String(window.location.href).parseQuery()[param];
 403 }
 404
 405 function closeInfoBox(cleanup) {
 406         try {
 407                 dialog = dijit.byId("infoBox");
 408
 409                 if (dialog)     dialog.hide();
 410
 411         } catch (e) {
 412                 //exception_error("closeInfoBox", e);
 413         }
 414         return false;
 415 }
 416
 417
 418 function displayDlg(id, param, callback) {
 419
 420         notify_progress("Loading, please wait...", true);
 421
 422         var query = "?op=dlg&method=" +
 423                 param_escape(id) + "&param=" + param_escape(param);
 424
 425         new Ajax.Request("backend.php", {
 426                 parameters: query,
 427                 onComplete: function (transport) {
 428                         infobox_callback2(transport);
 429                         if (callback) callback(transport);
 430                 } });
 431
 432         return false;
 433 }
 434
 435 function infobox_callback2(transport) {
 436         try {
 437                 var dialog = false;
 438
 439                 if (dijit.byId("infoBox")) {
 440                         dialog = dijit.byId("infoBox");
 441                 }
 442
 443                 //console.log("infobox_callback2");
 444                 notify('');
 445
 446                 var title = transport.responseXML.getElementsByTagName("title")[0];
 447                 if (title)
 448                         title = title.firstChild.nodeValue;
 449
 450                 var content = transport.responseXML.getElementsByTagName("content")[0];
 451
 452                 content = content.firstChild.nodeValue;
 453
 454                 if (!dialog) {
 455                         dialog = new dijit.Dialog({
 456                                 title: title,
 457                                 id: 'infoBox',
 458                                 style: "width: 600px",
 459                                 onCancel: function() {
 460                                         return true;
 461                                 },
 462                                 onExecute: function() {
 463                                         return true;
 464                                 },
 465                                 onClose: function() {
 466                                         return true;
 467                                         },
 468                                 content: content});
 469                 } else {
 470                         dialog.attr('title', title);
 471                         dialog.attr('content', content);
 472                 }
 473
 474                 dialog.show();
 475
 476                 notify("");
 477         } catch (e) {
 478                 exception_error("infobox_callback2", e);
 479         }
 480 }
 481
 482 function filterCR(e, f)
 483 {
 484      var key;
 485
 486      if(window.event)
 487           key = window.event.keyCode;     //IE
 488      else
 489           key = e.which;     //firefox
 490
 491         if (key == 13) {
 492                 if (typeof f != 'undefined') {
 493                         f();
 494                         return false;
 495                 } else {
 496                         return false;
 497                 }
 498         } else {
 499                 return true;
 500         }
 501 }
 502
 503 function getInitParam(key) {
 504         return init_params[key];
 505 }
 506
 507 function setInitParam(key, value) {
 508         init_params[key] = value;
 509 }
 510
 511 function fatalError(code, msg, ext_info) {
 512         try {
 513
 514                 if (code == 6) {
 515                         window.location.href = "index.php";
 516                 } else if (code == 5) {
 517                         window.location.href = "db-updater.php";
 518                 } else {
 519
 520                         if (msg == "") msg = "Unknown error";
 521
 522                         if (ext_info) {
 523                                 if (ext_info.responseText) {
 524                                         ext_info = ext_info.responseText;
 525                                 }
 526                         }
 527
 528                         if (ERRORS && ERRORS[code] && !msg) {
 529                                 msg = ERRORS[code];
 530                         }
 531
 532                         var content = "<div><b>Error code:</b> " + code + "</div>" +
 533                                 "<p>" + msg + "</p>";
 534
 535                         if (ext_info) {
 536                                 content = content + "<div><b>Additional information:</b></div>" +
 537                                         "<textarea style='width: 100%' readonly=\"1\">" +
 538                                         ext_info + "</textarea>";
 539                         }
 540
 541                         var dialog = new dijit.Dialog({
 542                                 title: "Fatal error",
 543                                 style: "width: 600px",
 544                                 content: content});
 545
 546                         dialog.show();
 547
 548                 }
 549
 550                 return false;
 551
 552         } catch (e) {
 553                 exception_error("fatalError", e);
 554         }
 555 }
 556
 557 /* function filterDlgCheckType(sender) {
 558
 559         try {
 560
 561                 var ftype = sender.value;
 562
 563                 // if selected filter type is 5 (Date) enable the modifier dropbox
 564                 if (ftype == 5) {
 565                         Element.show("filterDlg_dateModBox");
 566                         Element.show("filterDlg_dateChkBox");
 567                 } else {
 568                         Element.hide("filterDlg_dateModBox");
 569                         Element.hide("filterDlg_dateChkBox");
 570
 571                 }
 572
 573         } catch (e) {
 574                 exception_error("filterDlgCheckType", e);
 575         }
 576
 577 } */
 578
 579 function filterDlgCheckAction(sender) {
 580
 581         try {
 582
 583                 var action = sender.value;
 584
 585                 var action_param = $("filterDlg_paramBox");
 586
 587                 if (!action_param) {
 588                         console.log("filterDlgCheckAction: can't find action param box!");
 589                         return;
 590                 }
 591
 592                 // if selected action supports parameters, enable params field
 593                 if (action == 4 || action == 6 || action == 7) {
 594                         new Effect.Appear(action_param, {duration : 0.5});
 595                         if (action != 7) {
 596                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
 597                                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 598                         } else {
 599                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 600                                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 601                         }
 602                 } else {
 603                         Element.hide(action_param);
 604                 }
 605
 606         } catch (e) {
 607                 exception_error("filterDlgCheckAction", e);
 608         }
 609
 610 }
 611
 612 function filterDlgCheckDate() {
 613         try {
 614                 var dialog = dijit.byId("filterEditDlg");
 615
 616                 var reg_exp = dialog.attr('value').reg_exp;
 617
 618                 var query = "?op=rpc&method=checkDate&date=" + reg_exp;
 619
 620                 new Ajax.Request("backend.php", {
 621                         parameters: query,
 622                         onComplete: function(transport) {
 623
 624                                 var reply = JSON.parse(transport.responseText);
 625
 626                                 if (reply['result'] == true) {
 627                                         alert(__("Date syntax appears to be correct:") + " " + reply['date']);
 628                                         return;
 629                                 } else {
 630                                         alert(__("Date syntax is incorrect."));
 631                                 }
 632
 633                         } });
 634
 635
 636         } catch (e) {
 637                 exception_error("filterDlgCheckDate", e);
 638         }
 639 }
 640
 641 function explainError(code) {
 642         return displayDlg("explainError", code);
 643 }
 644
 645 function loading_set_progress(p) {
 646         try {
 647                 loading_progress += p;
 648
 649                 if (dijit.byId("loading_bar"))
 650                         dijit.byId("loading_bar").update({progress: loading_progress});
 651
 652                 if (loading_progress >= 90)
 653                         remove_splash();
 654
 655         } catch (e) {
 656                 exception_error("loading_set_progress", e);
 657         }
 658 }
 659
 660 function remove_splash() {
 661
 662         if (Element.visible("overlay")) {
 663                 console.log("about to remove splash, OMG!");
 664                 Element.hide("overlay");
 665                 console.log("removed splash!");
 666         }
 667 }
 668
 669 function transport_error_check(transport) {
 670         try {
 671                 if (transport.responseXML) {
 672                         var error = transport.responseXML.getElementsByTagName("error")[0];
 673
 674                         if (error) {
 675                                 var code = error.getAttribute("error-code");
 676                                 var msg = error.getAttribute("error-msg");
 677                                 if (code != 0) {
 678                                         fatalError(code, msg);
 679                                         return false;
 680                                 }
 681                         }
 682                 }
 683         } catch (e) {
 684                 exception_error("check_for_error_xml", e);
 685         }
 686         return true;
 687 }
 688
 689 function strip_tags(s) {
 690         return s.replace(/<\/?[^>]+(>|$)/g, "");
 691 }
 692
 693 function truncate_string(s, length) {
 694         if (!length) length = 30;
 695         var tmp = s.substring(0, length);
 696         if (s.length > length) tmp += "&hellip;";
 697         return tmp;
 698 }
 699
 700 function hotkey_prefix_timeout() {
 701         try {
 702
 703                 var date = new Date();
 704                 var ts = Math.round(date.getTime() / 1000);
 705
 706                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 707                         console.log("hotkey_prefix seems to be stuck, aborting");
 708                         hotkey_prefix_pressed = false;
 709                         hotkey_prefix = false;
 710                         Element.hide('cmdline');
 711                 }
 712
 713                 setTimeout("hotkey_prefix_timeout()", 1000);
 714
 715         } catch  (e) {
 716                 exception_error("hotkey_prefix_timeout", e);
 717         }
 718 }
 719
 720 function hideAuxDlg() {
 721         try {
 722                 Element.hide('auxDlg');
 723         } catch (e) {
 724                 exception_error("hideAuxDlg", e);
 725         }
 726 }
 727
 728
 729 function uploadIconHandler(rc) {
 730         try {
 731                 switch (rc) {
 732                         case 0:
 733                                 notify_info("Upload complete.");
 734                                 if (inPreferences()) {
 735                                         updateFeedList();
 736                                 } else {
 737                                         setTimeout('updateFeedList(false, false)', 50);
 738                                 }
 739                                 break;
 740                         case 1:
 741                                 notify_error("Upload failed: icon is too big.");
 742                                 break;
 743                         case 2:
 744                                 notify_error("Upload failed.");
 745                                 break;
 746                 }
 747
 748         } catch (e) {
 749                 exception_error("uploadIconHandler", e);
 750         }
 751 }
 752
 753 function removeFeedIcon(id) {
 754
 755         try {
 756
 757                 if (confirm(__("Remove stored feed icon?"))) {
 758                         var query = "backend.php?op=pref-feeds&method=removeicon&feed_id=" + param_escape(id);
 759
 760                         console.log(query);
 761
 762                         notify_progress("Removing feed icon...", true);
 763
 764                         new Ajax.Request("backend.php", {
 765                                 parameters: query,
 766                                 onComplete: function(transport) {
 767                                         notify_info("Feed icon removed.");
 768                                         if (inPreferences()) {
 769                                                 updateFeedList();
 770                                         } else {
 771                                                 setTimeout('updateFeedList(false, false)', 50);
 772                                         }
 773                                 } });
 774                 }
 775
 776                 return false;
 777         } catch (e) {
 778                 exception_error("removeFeedIcon", e);
 779         }
 780 }
 781
 782 function uploadFeedIcon() {
 783
 784         try {
 785
 786                 var file = $("icon_file");
 787
 788                 if (file.value.length == 0) {
 789                         alert(__("Please select an image file to upload."));
 790                 } else {
 791                         if (confirm(__("Upload new icon for this feed?"))) {
 792                                 notify_progress("Uploading, please wait...", true);
 793                                 return true;
 794                         }
 795                 }
 796
 797                 return false;
 798
 799         } catch (e) {
 800                 exception_error("uploadFeedIcon", e);
 801         }
 802 }
 803
 804 function addLabel(select, callback) {
 805
 806         try {
 807
 808                 var caption = prompt(__("Please enter label caption:"), "");
 809
 810                 if (caption != undefined) {
 811
 812                         if (caption == "") {
 813                                 alert(__("Can't create label: missing caption."));
 814                                 return false;
 815                         }
 816
 817                         var query = "?op=pref-labels&method=add&caption=" +
 818                                 param_escape(caption);
 819
 820                         if (select)
 821                                 query += "&output=select";
 822
 823                         notify_progress("Loading, please wait...", true);
 824
 825                         if (inPreferences() && !select) active_tab = "labelConfig";
 826
 827                         new Ajax.Request("backend.php", {
 828                                 parameters: query,
 829                                 onComplete: function(transport) {
 830                                         if (callback) {
 831                                                 callback(transport);
 832                                         } else if (inPreferences()) {
 833                                                 updateLabelList();
 834                                         } else {
 835                                                 updateFeedList();
 836                                         }
 837                         } });
 838
 839                 }
 840
 841         } catch (e) {
 842                 exception_error("addLabel", e);
 843         }
 844 }
 845
 846 function quickAddFeed() {
 847         try {
 848                 var query = "backend.php?op=dlg&method=quickAddFeed";
 849
 850                 // overlapping widgets
 851                 if (dijit.byId("batchSubDlg")) dijit.byId("batchSubDlg").destroyRecursive();
 852                 if (dijit.byId("feedAddDlg"))   dijit.byId("feedAddDlg").destroyRecursive();
 853
 854                 var dialog = new dijit.Dialog({
 855                         id: "feedAddDlg",
 856                         title: __("Subscribe to Feed"),
 857                         style: "width: 600px",
 858                         execute: function() {
 859                                 if (this.validate()) {
 860                                         console.log(dojo.objectToQuery(this.attr('value')));
 861
 862                                         var feed_url = this.attr('value').feed;
 863
 864                                         Element.show("feed_add_spinner");
 865
 866                                         new Ajax.Request("backend.php", {
 867                                                 parameters: dojo.objectToQuery(this.attr('value')),
 868                                                 onComplete: function(transport) {
 869                                                         try {
 870
 871                                                                 var reply = JSON.parse(transport.responseText);
 872
 873                                                                 var rc = reply['result'];
 874
 875                                                                 notify('');
 876                                                                 Element.hide("feed_add_spinner");
 877
 878                                                                 console.log("GOT RC: " + rc);
 879
 880                                                                 switch (parseInt(rc['code'])) {
 881                                                                 case 1:
 882                                                                         dialog.hide();
 883                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 884
 885                                                                         updateFeedList();
 886                                                                         break;
 887                                                                 case 2:
 888                                                                         alert(__("Specified URL seems to be invalid."));
 889                                                                         break;
 890                                                                 case 3:
 891                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 892                                                                         break;
 893                                                                 case 4:
 894                                                                         /* notify_progress("Searching for feed urls...", true);
 895
 896                                                                         new Ajax.Request("backend.php", {
 897                                                                                 parameters: 'op=rpc&method=extractfeedurls&url=' + param_escape(feed_url),
 898                                                                                 onComplete: function(transport, dialog, feed_url) {
 899
 900                                                                                         notify('');
 901
 902                                                                                         var reply = JSON.parse(transport.responseText);
 903
 904                                                                                         var feeds = reply['urls'];
 905
 906                                                                                         console.log(transport.responseText);
 907
 908                                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 909
 910                                                                                         while (select.getOptions().length > 0)
 911                                                                                                 select.removeOption(0);
 912
 913                                                                                         var count = 0;
 914                                                                                         for (var feedUrl in feeds) {
 915                                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 916                                                                                                 count++;
 917                                                                                         }
 918
 919 //                                                                                      if (count > 5) count = 5;
 920 //                                                                                      select.size = count;
 921
 922                                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 923                                                                                 }
 924                                                                         });
 925                                                                         break; */
 926
 927                                                                         feeds = rc['feeds'];
 928
 929                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 930
 931                                                                         while (select.getOptions().length > 0)
 932                                                                                 select.removeOption(0);
 933
 934                                                                         var count = 0;
 935                                                                         for (var feedUrl in feeds) {
 936                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 937                                                                                 count++;
 938                                                                         }
 939
 940                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 941
 942                                                                         break;
 943                                                                 case 5:
 944                                                                         alert(__("Couldn't download the specified URL: %s").
 945                                                                                         replace("%s", rc['message']));
 946                                                                         break;
 947                                                                 case 0:
 948                                                                         alert(__("You are already subscribed to this feed."));
 949                                                                         break;
 950                                                                 }
 951
 952                                                         } catch (e) {
 953                                                                 exception_error("subscribeToFeed", e, transport);
 954                                                         }
 955
 956                                                 } });
 957
 958                                         }
 959                         },
 960                         href: query});
 961
 962                 dialog.show();
 963         } catch (e) {
 964                 exception_error("quickAddFeed", e);
 965         }
 966 }
 967
 968 function createNewRuleElement(parentNode, replaceNode) {
 969         try {
 970                 var form = document.forms["filter_new_rule_form"];
 971
 972                 form.reg_exp.value = form.reg_exp.value.replace(/(<([^>]+)>)/ig,"");
 973
 974                 var query = "backend.php?op=pref-filters&method=printrulename&rule="+
 975                         param_escape(dojo.formToJson(form));
 976
 977                 console.log(query);
 978
 979                 new Ajax.Request("backend.php", {
 980                         parameters: query,
 981                         onComplete: function (transport) {
 982                                 try {
 983                                         var li = dojo.create("li");
 984
 985                                         var cb = dojo.create("input", { type: "checkbox" }, li);
 986
 987                                         new dijit.form.CheckBox({
 988                                                 onChange: function() {
 989                                                         toggleSelectListRow2(this) },
 990                                         }, cb);
 991
 992                                         dojo.create("input", { type: "hidden",
 993                                                 name: "rule[]",
 994                                                 value: dojo.formToJson(form) }, li);
 995
 996                                         dojo.create("span", {
 997                                                 onclick: function() {
 998                                                         dijit.byId('filterEditDlg').editRule(this);
 999                                                 },
1000                                                 innerHTML: transport.responseText }, li);
1001
1002                                         if (replaceNode) {
1003                                                 parentNode.replaceChild(li, replaceNode);
1004                                         } else {
1005                                                 parentNode.appendChild(li);
1006                                         }
1007                                 } catch (e) {
1008                                         exception_error("createNewRuleElement", e);
1009                                 }
1010                 } });
1011         } catch (e) {
1012                 exception_error("createNewRuleElement", e);
1013         }
1014 }
1015
1016 function createNewActionElement(parentNode, replaceNode) {
1017         try {
1018                 var form = document.forms["filter_new_action_form"];
1019
1020                 if (form.action_id.value == 7) {
1021                         form.action_param.value = form.action_param_label.value;
1022                 }
1023
1024                 var query = "backend.php?op=pref-filters&method=printactionname&action="+
1025                         param_escape(dojo.formToJson(form));
1026
1027                 console.log(query);
1028
1029                 new Ajax.Request("backend.php", {
1030                         parameters: query,
1031                         onComplete: function (transport) {
1032                                 try {
1033                                         var li = dojo.create("li");
1034
1035                                         var cb = dojo.create("input", { type: "checkbox" }, li);
1036
1037                                         new dijit.form.CheckBox({
1038                                                 onChange: function() {
1039                                                         toggleSelectListRow2(this) },
1040                                         }, cb);
1041
1042                                         dojo.create("input", { type: "hidden",
1043                                                 name: "action[]",
1044                                                 value: dojo.formToJson(form) }, li);
1045
1046                                         dojo.create("span", {
1047                                                 onclick: function() {
1048                                                         dijit.byId('filterEditDlg').editAction(this);
1049                                                 },
1050                                                 innerHTML: transport.responseText }, li);
1051
1052                                         if (replaceNode) {
1053                                                 parentNode.replaceChild(li, replaceNode);
1054                                         } else {
1055                                                 parentNode.appendChild(li);
1056                                         }
1057
1058                                 } catch (e) {
1059                                         exception_error("createNewActionElement", e);
1060                                 }
1061                         } });
1062         } catch (e) {
1063                 exception_error("createNewActionElement", e);
1064         }
1065 }
1066
1067
1068 function addFilterRule(replaceNode, ruleStr) {
1069         try {
1070                 if (dijit.byId("filterNewRuleDlg"))
1071                         dijit.byId("filterNewRuleDlg").destroyRecursive();
1072
1073                 var query = "backend.php?op=pref-filters&method=newrule&rule=" +
1074                         param_escape(ruleStr);
1075
1076                 var rule_dlg = new dijit.Dialog({
1077                         id: "filterNewRuleDlg",
1078                         title: ruleStr ? __("Edit rule") : __("Add rule"),
1079                         style: "width: 600px",
1080                         execute: function() {
1081                                 if (this.validate()) {
1082                                         createNewRuleElement($("filterDlg_Matches"), replaceNode);
1083                                         this.hide();
1084                                 }
1085                         },
1086                         href: query});
1087
1088                 rule_dlg.show();
1089         } catch (e) {
1090                 exception_error("addFilterRule", e);
1091         }
1092 }
1093
1094 function addFilterAction(replaceNode, actionStr) {
1095         try {
1096                 if (dijit.byId("filterNewActionDlg"))
1097                         dijit.byId("filterNewActionDlg").destroyRecursive();
1098
1099                 var query = "backend.php?op=pref-filters&method=newaction&action=" +
1100                         param_escape(actionStr);
1101
1102                 var rule_dlg = new dijit.Dialog({
1103                         id: "filterNewActionDlg",
1104                         title: actionStr ? __("Edit action") : __("Add action"),
1105                         style: "width: 600px",
1106                         execute: function() {
1107                                 if (this.validate()) {
1108                                         createNewActionElement($("filterDlg_Actions"), replaceNode);
1109                                         this.hide();
1110                                 }
1111                         },
1112                         href: query});
1113
1114                 rule_dlg.show();
1115         } catch (e) {
1116                 exception_error("addFilterAction", e);
1117         }
1118 }
1119
1120 function quickAddFilter() {
1121         try {
1122                 var query = "";
1123                 if (!inPreferences()) {
1124                         query = "backend.php?op=pref-filters&method=newfilter&feed=" +
1125                                 param_escape(getActiveFeedId()) + "&is_cat=" +
1126                                 param_escape(activeFeedIsCat());
1127                 } else {
1128                         query = "backend.php?op=pref-filters&method=newfilter";
1129                 }
1130
1131                 console.log(query);
1132
1133                 if (dijit.byId("feedEditDlg"))
1134                         dijit.byId("feedEditDlg").destroyRecursive();
1135
1136                 if (dijit.byId("filterEditDlg"))
1137                         dijit.byId("filterEditDlg").destroyRecursive();
1138
1139                 dialog = new dijit.Dialog({
1140                         id: "filterEditDlg",
1141                         title: __("Create Filter"),
1142                         style: "width: 600px",
1143                         test: function() {
1144                                 var query = "backend.php?" + dojo.formToQuery("filter_new_form") + "&savemode=test";
1145
1146                                 if (dijit.byId("filterTestDlg"))
1147                                         dijit.byId("filterTestDlg").destroyRecursive();
1148
1149                                 var test_dlg = new dijit.Dialog({
1150                                         id: "filterTestDlg",
1151                                         title: "Test Filter",
1152                                         style: "width: 600px",
1153                                         href: query});
1154
1155                                 test_dlg.show();
1156                         },
1157                         selectRules: function(select) {
1158                                 $$("#filterDlg_Matches input[type=checkbox]").each(function(e) {
1159                                         e.checked = select;
1160                                         if (select)
1161                                                 e.parentNode.addClassName("Selected");
1162                                         else
1163                                                 e.parentNode.removeClassName("Selected");
1164                                 });
1165                         },
1166                         selectActions: function(select) {
1167                                 $$("#filterDlg_Actions input[type=checkbox]").each(function(e) {
1168                                         e.checked = select;
1169
1170                                         if (select)
1171                                                 e.parentNode.addClassName("Selected");
1172                                         else
1173                                                 e.parentNode.removeClassName("Selected");
1174
1175                                 });
1176                         },
1177                         editRule: function(e) {
1178                                 var li = e.parentNode;
1179                                 var rule = li.getElementsByTagName("INPUT")[1].value;
1180                                 addFilterRule(li, rule);
1181                         },
1182                         editAction: function(e) {
1183                                 var li = e.parentNode;
1184                                 var action = li.getElementsByTagName("INPUT")[1].value;
1185                                 addFilterAction(li, action);
1186                         },
1187                         addAction: function() { addFilterAction(); },
1188                         addRule: function() { addFilterRule(); },
1189                         deleteAction: function() {
1190                                 $$("#filterDlg_Actions li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1191                         },
1192                         deleteRule: function() {
1193                                 $$("#filterDlg_Matches li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1194                         },
1195                         execute: function() {
1196                                 if (this.validate()) {
1197
1198                                         var query = dojo.formToQuery("filter_new_form");
1199
1200                                         console.log(query);
1201
1202                                         new Ajax.Request("backend.php", {
1203                                                 parameters: query,
1204                                                 onComplete: function (transport) {
1205                                                         if (inPreferences()) {
1206                                                                 updateFilterList();
1207                                                         }
1208
1209                                                         dialog.hide();
1210                                         } });
1211                                 }
1212                         },
1213                         href: query});
1214
1215                 if (!inPreferences()) {
1216                         var lh = dojo.connect(dialog, "onLoad", function(){
1217                                 dojo.disconnect(lh);
1218
1219                                 var query = "op=rpc&method=getlinktitlebyid&id=" + getActiveArticleId();
1220
1221                                 new Ajax.Request("backend.php", {
1222                                 parameters: query,
1223                                 onComplete: function(transport) {
1224                                         var reply = JSON.parse(transport.responseText);
1225
1226                                         var title = false;
1227
1228                                         if (reply && reply) title = reply.title;
1229
1230                                         if (title || getActiveFeedId() || activeFeedIsCat()) {
1231
1232                                                 console.log(title + " " + getActiveFeedId());
1233
1234                                                 var feed_id = activeFeedIsCat() ? 'CAT:' + parseInt(getActiveFeedId()) :
1235                                                         getActiveFeedId();
1236
1237                                                 var rule = { reg_exp: title, feed_id: feed_id, filter_type: 1 };
1238
1239                                                 addFilterRule(null, dojo.toJson(rule));
1240                                         }
1241
1242                                 } });
1243
1244                         });
1245                 }
1246
1247                 dialog.show();
1248
1249         } catch (e) {
1250                 exception_error("quickAddFilter", e);
1251         }
1252 }
1253
1254 function resetPubSub(feed_id, title) {
1255
1256         var msg = __("Reset subscription? Tiny Tiny RSS will try to subscribe to the notification hub again on next feed update.").replace("%s", title);
1257
1258         if (title == undefined || confirm(msg)) {
1259                 notify_progress("Loading, please wait...");
1260
1261                 var query = "?op=pref-feeds&quiet=1&method=resetPubSub&ids=" + feed_id;
1262
1263                 new Ajax.Request("backend.php", {
1264                         parameters: query,
1265                         onComplete: function(transport) {
1266                                 dijit.byId("pubsubReset_Btn").attr('disabled', true);
1267                                 notify_info("Subscription reset.");
1268                         } });
1269         }
1270
1271         return false;
1272 }
1273
1274
1275 function unsubscribeFeed(feed_id, title) {
1276
1277         var msg = __("Unsubscribe from %s?").replace("%s", title);
1278
1279         if (title == undefined || confirm(msg)) {
1280                 notify_progress("Removing feed...");
1281
1282                 var query = "?op=pref-feeds&quiet=1&method=remove&ids=" + feed_id;
1283
1284                 new Ajax.Request("backend.php", {
1285                         parameters: query,
1286                         onComplete: function(transport) {
1287
1288                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1289
1290                                         if (inPreferences()) {
1291                                                 updateFeedList();
1292                                         } else {
1293                                                 if (feed_id == getActiveFeedId())
1294                                                         setTimeout("viewfeed(-5)", 100);
1295
1296                                                 if (feed_id < 0) updateFeedList();
1297                                         }
1298
1299                                 } });
1300         }
1301
1302         return false;
1303 }
1304
1305
1306 function backend_sanity_check_callback(transport) {
1307
1308         try {
1309
1310                 if (sanity_check_done) {
1311                         fatalError(11, "Sanity check request received twice. This can indicate "+
1312                       "presence of Firebug or some other disrupting extension. "+
1313                                 "Please disable it and try again.");
1314                         return;
1315                 }
1316
1317                 var reply = JSON.parse(transport.responseText);
1318
1319                 if (!reply) {
1320                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1321                         return;
1322                 }
1323
1324                 var error_code = reply['error']['code'];
1325
1326                 if (error_code && error_code != 0) {
1327                         return fatalError(error_code, reply['error']['message']);
1328                 }
1329
1330                 console.log("sanity check ok");
1331
1332                 var params = reply['init-params'];
1333
1334                 if (params) {
1335                         console.log('reading init-params...');
1336
1337                         if (params) {
1338                                 for (k in params) {
1339                                         var v = params[k];
1340                                         console.log("IP: " + k + " => " + v);
1341                                 }
1342                         }
1343
1344                         init_params = params;
1345                 }
1346
1347                 sanity_check_done = true;
1348
1349                 init_second_stage();
1350
1351         } catch (e) {
1352                 exception_error("backend_sanity_check_callback", e, transport);
1353         }
1354 }
1355
1356 /*function has_local_storage() {
1357         try {
1358                 return 'sessionStorage' in window && window['sessionStorage'] != null;
1359         } catch (e) {
1360                 return false;
1361         }
1362 } */
1363
1364 function catSelectOnChange(elem) {
1365         try {
1366 /*              var value = elem[elem.selectedIndex].value;
1367                 var def = elem.getAttribute('default');
1368
1369                 if (value == "ADD_CAT") {
1370
1371                         if (def)
1372                                 dropboxSelect(elem, def);
1373                         else
1374                                 elem.selectedIndex = 0;
1375
1376                         quickAddCat(elem);
1377                 } */
1378
1379         } catch (e) {
1380                 exception_error("catSelectOnChange", e);
1381         }
1382 }
1383
1384 function quickAddCat(elem) {
1385         try {
1386                 var cat = prompt(__("Please enter category title:"));
1387
1388                 if (cat) {
1389
1390                         var query = "?op=rpc&method=quickAddCat&cat=" + param_escape(cat);
1391
1392                         notify_progress("Loading, please wait...", true);
1393
1394                         new Ajax.Request("backend.php", {
1395                                 parameters: query,
1396                                 onComplete: function (transport) {
1397                                         var response = transport.responseXML;
1398                                         var select = response.getElementsByTagName("select")[0];
1399                                         var options = select.getElementsByTagName("option");
1400
1401                                         dropbox_replace_options(elem, options);
1402
1403                                         notify('');
1404
1405                         } });
1406
1407                 }
1408
1409         } catch (e) {
1410                 exception_error("quickAddCat", e);
1411         }
1412 }
1413
1414 function genUrlChangeKey(feed, is_cat) {
1415
1416         try {
1417                 var ok = confirm(__("Generate new syndication address for this feed?"));
1418
1419                 if (ok) {
1420
1421                         notify_progress("Trying to change address...", true);
1422
1423                         var query = "?op=rpc&method=regenFeedKey&id=" + param_escape(feed) +
1424                                 "&is_cat=" + param_escape(is_cat);
1425
1426                         new Ajax.Request("backend.php", {
1427                                 parameters: query,
1428                                 onComplete: function(transport) {
1429                                                 var reply = JSON.parse(transport.responseText);
1430                                                 var new_link = reply.link;
1431
1432                                                 var e = $('gen_feed_url');
1433
1434                                                 if (new_link) {
1435
1436                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1437                                                                 "&amp;key=" + new_link);
1438
1439                                                         e.href = e.href.replace(/\&key=.*$/,
1440                                                                 "&key=" + new_link);
1441
1442                                                         new Effect.Highlight(e);
1443
1444                                                         notify('');
1445
1446                                                 } else {
1447                                                         notify_error("Could not change feed URL.");
1448                                                 }
1449                                 } });
1450                 }
1451         } catch (e) {
1452                 exception_error("genUrlChangeKey", e);
1453         }
1454         return false;
1455 }
1456
1457 function labelSelectOnChange(elem) {
1458         try {
1459 /*              var value = elem[elem.selectedIndex].value;
1460                 var def = elem.getAttribute('default');
1461
1462                 if (value == "ADD_LABEL") {
1463
1464                         if (def)
1465                                 dropboxSelect(elem, def);
1466                         else
1467                                 elem.selectedIndex = 0;
1468
1469                         addLabel(elem, function(transport) {
1470
1471                                         try {
1472
1473                                                 var response = transport.responseXML;
1474                                                 var select = response.getElementsByTagName("select")[0];
1475                                                 var options = select.getElementsByTagName("option");
1476
1477                                                 dropbox_replace_options(elem, options);
1478
1479                                                 notify('');
1480                                         } catch (e) {
1481                                                 exception_error("addLabel", e);
1482                                         }
1483                         });
1484                 } */
1485
1486         } catch (e) {
1487                 exception_error("labelSelectOnChange", e);
1488         }
1489 }
1490
1491 function dropbox_replace_options(elem, options) {
1492
1493         try {
1494                 while (elem.hasChildNodes())
1495                         elem.removeChild(elem.firstChild);
1496
1497                 var sel_idx = -1;
1498
1499                 for (var i = 0; i < options.length; i++) {
1500                         var text = options[i].firstChild.nodeValue;
1501                         var value = options[i].getAttribute("value");
1502
1503                         if (value == undefined) value = text;
1504
1505                         var issel = options[i].getAttribute("selected") == "1";
1506
1507                         var option = new Option(text, value, issel);
1508
1509                         if (options[i].getAttribute("disabled"))
1510                                 option.setAttribute("disabled", true);
1511
1512                         elem.insert(option);
1513
1514                         if (issel) sel_idx = i;
1515                 }
1516
1517                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1518                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1519
1520         } catch (e) {
1521                 exception_error("dropbox_replace_options", e);
1522         }
1523 }
1524
1525 // mode = all, none, invert
1526 function selectTableRows(id, mode) {
1527         try {
1528                 var rows = $(id).rows;
1529
1530                 for (var i = 0; i < rows.length; i++) {
1531                         var row = rows[i];
1532                         var cb = false;
1533                         var dcb = false;
1534
1535                         if (row.id && row.className) {
1536                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1537                                 var inputs = rows[i].getElementsByTagName("input");
1538
1539                                 for (var j = 0; j < inputs.length; j++) {
1540                                         var input = inputs[j];
1541
1542                                         if (input.getAttribute("type") == "checkbox" &&
1543                                                         input.id.match(bare_id)) {
1544
1545                                                 cb = input;
1546                                                 dcb = dijit.getEnclosingWidget(cb);
1547                                                 break;
1548                                         }
1549                                 }
1550
1551                                 if (cb || dcb) {
1552                                         var issel = row.hasClassName("Selected");
1553
1554                                         if (mode == "all" && !issel) {
1555                                                 row.addClassName("Selected");
1556                                                 cb.checked = true;
1557                                                 if (dcb) dcb.set("checked", true);
1558                                         } else if (mode == "none" && issel) {
1559                                                 row.removeClassName("Selected");
1560                                                 cb.checked = false;
1561                                                 if (dcb) dcb.set("checked", false);
1562
1563                                         } else if (mode == "invert") {
1564
1565                                                 if (issel) {
1566                                                         row.removeClassName("Selected");
1567                                                         cb.checked = false;
1568                                                         if (dcb) dcb.set("checked", false);
1569                                                 } else {
1570                                                         row.addClassName("Selected");
1571                                                         cb.checked = true;
1572                                                         if (dcb) dcb.set("checked", true);
1573                                                 }
1574                                         }
1575                                 }
1576                         }
1577                 }
1578
1579         } catch (e) {
1580                 exception_error("selectTableRows", e);
1581
1582         }
1583 }
1584
1585 function getSelectedTableRowIds(id) {
1586         var rows = [];
1587
1588         try {
1589                 var elem_rows = $(id).rows;
1590
1591                 for (var i = 0; i < elem_rows.length; i++) {
1592                         if (elem_rows[i].hasClassName("Selected")) {
1593                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1594                                 rows.push(bare_id);
1595                         }
1596                 }
1597
1598         } catch (e) {
1599                 exception_error("getSelectedTableRowIds", e);
1600         }
1601
1602         return rows;
1603 }
1604
1605 function editFeed(feed, event) {
1606         try {
1607                 if (feed <= 0)
1608                         return alert(__("You can't edit this kind of feed."));
1609
1610                 var query = "backend.php?op=pref-feeds&method=editfeed&id=" +
1611                         param_escape(feed);
1612
1613                 console.log(query);
1614
1615                 if (dijit.byId("filterEditDlg"))
1616                         dijit.byId("filterEditDlg").destroyRecursive();
1617
1618                 if (dijit.byId("feedEditDlg"))
1619                         dijit.byId("feedEditDlg").destroyRecursive();
1620
1621                 dialog = new dijit.Dialog({
1622                         id: "feedEditDlg",
1623                         title: __("Edit Feed"),
1624                         style: "width: 600px",
1625                         execute: function() {
1626                                 if (this.validate()) {
1627 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1628
1629                                         notify_progress("Saving data...", true);
1630
1631                                         new Ajax.Request("backend.php", {
1632                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1633                                                 onComplete: function(transport) {
1634                                                         dialog.hide();
1635                                                         notify('');
1636                                                         updateFeedList();
1637                                         }});
1638                                 }
1639                         },
1640                         href: query});
1641
1642                 dialog.show();
1643
1644         } catch (e) {
1645                 exception_error("editFeed", e);
1646         }
1647 }
1648
1649 function feedBrowser() {
1650         try {
1651                 var query = "backend.php?op=dlg&method=feedBrowser";
1652
1653                 if (dijit.byId("feedAddDlg"))
1654                         dijit.byId("feedAddDlg").hide();
1655
1656                 if (dijit.byId("feedBrowserDlg"))
1657                         dijit.byId("feedBrowserDlg").destroyRecursive();
1658
1659                 var dialog = new dijit.Dialog({
1660                         id: "feedBrowserDlg",
1661                         title: __("More Feeds"),
1662                         style: "width: 600px",
1663                         getSelectedFeedIds: function() {
1664                                 var list = $$("#browseFeedList li[id*=FBROW]");
1665                                 var selected = new Array();
1666
1667                                 list.each(function(child) {
1668                                         var id = child.id.replace("FBROW-", "");
1669
1670                                         if (child.hasClassName('Selected')) {
1671                                                 selected.push(id);
1672                                         }
1673                                 });
1674
1675                                 return selected;
1676                         },
1677                         getSelectedFeeds: function() {
1678                                 var list = $$("#browseFeedList li.Selected");
1679                                 var selected = new Array();
1680
1681                                 list.each(function(child) {
1682                                         var title = child.getElementsBySelector("span.fb_feedTitle")[0].innerHTML;
1683                                         var url = child.getElementsBySelector("a.fb_feedUrl")[0].href;
1684
1685                                         selected.push([title,url]);
1686
1687                                 });
1688
1689                                 return selected;
1690                         },
1691
1692                         subscribe: function() {
1693                                 var mode = this.attr('value').mode;
1694                                 var selected = [];
1695
1696                                 if (mode == "1")
1697                                         selected = this.getSelectedFeeds();
1698                                 else
1699                                         selected = this.getSelectedFeedIds();
1700
1701                                 if (selected.length > 0) {
1702                                         dijit.byId("feedBrowserDlg").hide();
1703
1704                                         notify_progress("Loading, please wait...", true);
1705
1706                                         // we use dojo.toJson instead of JSON.stringify because
1707                                         // it somehow escapes everything TWICE, at least in Chrome 9
1708
1709                                         var query = "?op=rpc&method=massSubscribe&payload="+
1710                                                 param_escape(dojo.toJson(selected)) + "&mode=" + param_escape(mode);
1711
1712                                         console.log(query);
1713
1714                                         new Ajax.Request("backend.php", {
1715                                                 parameters: query,
1716                                                 onComplete: function(transport) {
1717                                                         notify('');
1718                                                         updateFeedList();
1719                                                 } });
1720
1721                                 } else {
1722                                         alert(__("No feeds are selected."));
1723                                 }
1724
1725                         },
1726                         update: function() {
1727                                 var query = dojo.objectToQuery(dialog.attr('value'));
1728
1729                                 Element.show('feed_browser_spinner');
1730
1731                                 new Ajax.Request("backend.php", {
1732                                         parameters: query,
1733                                         onComplete: function(transport) {
1734                                                 notify('');
1735
1736                                                 Element.hide('feed_browser_spinner');
1737
1738                                                 var c = $("browseFeedList");
1739
1740                                                 var reply = JSON.parse(transport.responseText);
1741
1742                                                 var r = reply['content'];
1743                                                 var mode = reply['mode'];
1744
1745                                                 if (c && r) {
1746                                                         c.innerHTML = r;
1747                                                 }
1748
1749                                                 dojo.parser.parse("browseFeedList");
1750
1751                                                 if (mode == 2) {
1752                                                         Element.show(dijit.byId('feed_archive_remove').domNode);
1753                                                 } else {
1754                                                         Element.hide(dijit.byId('feed_archive_remove').domNode);
1755                                                 }
1756
1757                                         } });
1758                         },
1759                         removeFromArchive: function() {
1760                                 var selected = this.getSelectedFeedIds();
1761
1762                                 if (selected.length > 0) {
1763
1764                                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1765
1766                                         if (confirm(pr)) {
1767                                                 Element.show('feed_browser_spinner');
1768
1769                                                 var query = "?op=rpc&method=remarchive&ids=" +
1770                                                         param_escape(selected.toString());;
1771
1772                                                 new Ajax.Request("backend.php", {
1773                                                         parameters: query,
1774                                                         onComplete: function(transport) {
1775                                                                 dialog.update();
1776                                                         } });
1777                                         }
1778                                 }
1779                         },
1780                         execute: function() {
1781                                 if (this.validate()) {
1782                                         this.subscribe();
1783                                 }
1784                         },
1785                         href: query});
1786
1787                 dialog.show();
1788
1789         } catch (e) {
1790                 exception_error("editFeed", e);
1791         }
1792 }
1793
1794 function showFeedsWithErrors() {
1795         try {
1796                 var query = "backend.php?op=pref-feeds&method=feedsWithErrors";
1797
1798                 if (dijit.byId("errorFeedsDlg"))
1799                         dijit.byId("errorFeedsDlg").destroyRecursive();
1800
1801                 dialog = new dijit.Dialog({
1802                         id: "errorFeedsDlg",
1803                         title: __("Feeds with update errors"),
1804                         style: "width: 600px",
1805                         getSelectedFeeds: function() {
1806                                 return getSelectedTableRowIds("prefErrorFeedList");
1807                         },
1808                         removeSelected: function() {
1809                                 var sel_rows = this.getSelectedFeeds();
1810
1811                                 console.log(sel_rows);
1812
1813                                 if (sel_rows.length > 0) {
1814                                         var ok = confirm(__("Remove selected feeds?"));
1815
1816                                         if (ok) {
1817                                                 notify_progress("Removing selected feeds...", true);
1818
1819                                                 var query = "?op=pref-feeds&method=remove&ids="+
1820                                                         param_escape(sel_rows.toString());
1821
1822                                                 new Ajax.Request("backend.php", {
1823                                                         parameters: query,
1824                                                         onComplete: function(transport) {
1825                                                                 notify('');
1826                                                                 dialog.hide();
1827                                                                 updateFeedList();
1828                                                         } });
1829                                         }
1830
1831                                 } else {
1832                                         alert(__("No feeds are selected."));
1833                                 }
1834                         },
1835                         execute: function() {
1836                                 if (this.validate()) {
1837                                 }
1838                         },
1839                         href: query});
1840
1841                 dialog.show();
1842
1843         } catch (e) {
1844                 exception_error("showFeedsWithErrors", e);
1845         }
1846
1847 }
1848
1849 /* new support functions for SelectByTag */
1850
1851 function get_all_tags(selObj){
1852         try {
1853                 if( !selObj ) return "";
1854
1855                 var result = "";
1856                 var len = selObj.options.length;
1857
1858                 for (var i=0; i < len; i++){
1859                         if (selObj.options[i].selected) {
1860                                 result += selObj[i].value + "%2C";   // is really a comma
1861                         }
1862                 }
1863
1864                 if (result.length > 0){
1865                         result = result.substr(0, result.length-3);  // remove trailing %2C
1866                 }
1867
1868                 return(result);
1869
1870         } catch (e) {
1871                 exception_error("get_all_tags", e);
1872         }
1873 }
1874
1875 function get_radio_checked(radioObj) {
1876         try {
1877                 if (!radioObj) return "";
1878
1879                 var len = radioObj.length;
1880
1881                 if (len == undefined){
1882                         if(radioObj.checked){
1883                                 return(radioObj.value);
1884                         } else {
1885                                 return("");
1886                         }
1887                 }
1888
1889                 for( var i=0; i < len; i++ ){
1890                         if( radioObj[i].checked ){
1891                                 return( radioObj[i].value);
1892                         }
1893                 }
1894
1895         } catch (e) {
1896                 exception_error("get_radio_checked", e);
1897         }
1898         return("");
1899 }
1900
1901 function get_timestamp() {
1902         var date = new Date();
1903         return Math.round(date.getTime() / 1000);
1904 }
1905
1906 function helpDialog(topic) {
1907         try {
1908                 var query = "backend.php?op=backend&method=help&topic=" + param_escape(topic);
1909
1910                 if (dijit.byId("helpDlg"))
1911                         dijit.byId("helpDlg").destroyRecursive();
1912
1913                 dialog = new dijit.Dialog({
1914                         id: "helpDlg",
1915                         title: __("Help"),
1916                         style: "width: 600px",
1917                         href: query,
1918                 });
1919
1920                 dialog.show();
1921
1922         } catch (e) {
1923                 exception_error("helpDialog", e);
1924         }
1925 }
1926
1927 function htmlspecialchars_decode (string, quote_style) {
1928   // http://kevin.vanzonneveld.net
1929   // +   original by: Mirek Slugen
1930   // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1931   // +   bugfixed by: Mateusz "loonquawl" Zalega
1932   // +      input by: ReverseSyntax
1933   // +      input by: Slawomir Kaniecki
1934   // +      input by: Scott Cariss
1935   // +      input by: Francois
1936   // +   bugfixed by: Onno Marsman
1937   // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1938   // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
1939   // +      input by: Ratheous
1940   // +      input by: Mailfaker (http://www.weedem.fr/)
1941   // +      reimplemented by: Brett Zamir (http://brett-zamir.me)
1942   // +    bugfixed by: Brett Zamir (http://brett-zamir.me)
1943   // *     example 1: htmlspecialchars_decode("<p>this -&gt; &quot;</p>", 'ENT_NOQUOTES');
1944   // *     returns 1: '<p>this -> &quot;</p>'
1945   // *     example 2: htmlspecialchars_decode("&amp;quot;");
1946   // *     returns 2: '&quot;'
1947   var optTemp = 0,
1948     i = 0,
1949     noquotes = false;
1950   if (typeof quote_style === 'undefined') {
1951     quote_style = 2;
1952   }
1953   string = string.toString().replace(/&lt;/g, '<').replace(/&gt;/g, '>');
1954   var OPTS = {
1955     'ENT_NOQUOTES': 0,
1956     'ENT_HTML_QUOTE_SINGLE': 1,
1957     'ENT_HTML_QUOTE_DOUBLE': 2,
1958     'ENT_COMPAT': 2,
1959     'ENT_QUOTES': 3,
1960     'ENT_IGNORE': 4
1961   };
1962   if (quote_style === 0) {
1963     noquotes = true;
1964   }
1965   if (typeof quote_style !== 'number') { // Allow for a single string or an array of string flags
1966     quote_style = [].concat(quote_style);
1967     for (i = 0; i < quote_style.length; i++) {
1968       // Resolve string input to bitwise e.g. 'PATHINFO_EXTENSION' becomes 4
1969       if (OPTS[quote_style[i]] === 0) {
1970         noquotes = true;
1971       } else if (OPTS[quote_style[i]]) {
1972         optTemp = optTemp | OPTS[quote_style[i]];
1973       }
1974     }
1975     quote_style = optTemp;
1976   }
1977   if (quote_style & OPTS.ENT_HTML_QUOTE_SINGLE) {
1978     string = string.replace(/&#0*39;/g, "'"); // PHP doesn't currently escape if more than one 0, but it should
1979     // string = string.replace(/&apos;|&#x0*27;/g, "'"); // This would also be useful here, but not a part of PHP
1980   }
1981   if (!noquotes) {
1982     string = string.replace(/&quot;/g, '"');
1983   }
1984   // Put this in last place to avoid escape being double-decoded
1985   string = string.replace(/&amp;/g, '&');
1986
1987   return string;
1988 }