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 leading_zero(p) {
 397         var s = String(p);
 398         if (s.length == 1) s = "0" + s;
 399         return s;
 400 }
 401
 402 function make_timestamp() {
 403         var d = new Date();
 404
 405         return leading_zero(d.getHours()) + ":" + leading_zero(d.getMinutes()) +
 406                         ":" + leading_zero(d.getSeconds());
 407 }
 408
 409
 410 function closeInfoBox(cleanup) {
 411         try {
 412                 dialog = dijit.byId("infoBox");
 413
 414                 if (dialog)     dialog.hide();
 415
 416         } catch (e) {
 417                 //exception_error("closeInfoBox", e);
 418         }
 419         return false;
 420 }
 421
 422
 423 function displayDlg(id, param, callback) {
 424
 425         notify_progress("Loading, please wait...", true);
 426
 427         var query = "?op=dlg&method=" +
 428                 param_escape(id) + "&param=" + param_escape(param);
 429
 430         new Ajax.Request("backend.php", {
 431                 parameters: query,
 432                 onComplete: function (transport) {
 433                         infobox_callback2(transport);
 434                         if (callback) callback(transport);
 435                 } });
 436
 437         return false;
 438 }
 439
 440 function infobox_callback2(transport) {
 441         try {
 442                 var dialog = false;
 443
 444                 if (dijit.byId("infoBox")) {
 445                         dialog = dijit.byId("infoBox");
 446                 }
 447
 448                 //console.log("infobox_callback2");
 449                 notify('');
 450
 451                 var title = transport.responseXML.getElementsByTagName("title")[0];
 452                 if (title)
 453                         title = title.firstChild.nodeValue;
 454
 455                 var content = transport.responseXML.getElementsByTagName("content")[0];
 456
 457                 content = content.firstChild.nodeValue;
 458
 459                 if (!dialog) {
 460                         dialog = new dijit.Dialog({
 461                                 title: title,
 462                                 id: 'infoBox',
 463                                 style: "width: 600px",
 464                                 onCancel: function() {
 465                                         return true;
 466                                 },
 467                                 onExecute: function() {
 468                                         return true;
 469                                 },
 470                                 onClose: function() {
 471                                         return true;
 472                                         },
 473                                 content: content});
 474                 } else {
 475                         dialog.attr('title', title);
 476                         dialog.attr('content', content);
 477                 }
 478
 479                 dialog.show();
 480
 481                 notify("");
 482         } catch (e) {
 483                 exception_error("infobox_callback2", e);
 484         }
 485 }
 486
 487 function filterCR(e, f)
 488 {
 489      var key;
 490
 491      if(window.event)
 492           key = window.event.keyCode;     //IE
 493      else
 494           key = e.which;     //firefox
 495
 496         if (key == 13) {
 497                 if (typeof f != 'undefined') {
 498                         f();
 499                         return false;
 500                 } else {
 501                         return false;
 502                 }
 503         } else {
 504                 return true;
 505         }
 506 }
 507
 508 function getInitParam(key) {
 509         return init_params[key];
 510 }
 511
 512 function setInitParam(key, value) {
 513         init_params[key] = value;
 514 }
 515
 516 function fatalError(code, msg, ext_info) {
 517         try {
 518
 519                 if (code == 6) {
 520                         window.location.href = "index.php";
 521                 } else if (code == 5) {
 522                         window.location.href = "db-updater.php";
 523                 } else {
 524
 525                         if (msg == "") msg = "Unknown error";
 526
 527                         if (ext_info) {
 528                                 if (ext_info.responseText) {
 529                                         ext_info = ext_info.responseText;
 530                                 }
 531                         }
 532
 533                         if (ERRORS && ERRORS[code] && !msg) {
 534                                 msg = ERRORS[code];
 535                         }
 536
 537                         var content = "<div><b>Error code:</b> " + code + "</div>" +
 538                                 "<p>" + msg + "</p>";
 539
 540                         if (ext_info) {
 541                                 content = content + "<div><b>Additional information:</b></div>" +
 542                                         "<textarea style='width: 100%' readonly=\"1\">" +
 543                                         ext_info + "</textarea>";
 544                         }
 545
 546                         var dialog = new dijit.Dialog({
 547                                 title: "Fatal error",
 548                                 style: "width: 600px",
 549                                 content: content});
 550
 551                         dialog.show();
 552
 553                 }
 554
 555                 return false;
 556
 557         } catch (e) {
 558                 exception_error("fatalError", e);
 559         }
 560 }
 561
 562 function filterDlgCheckCat(sender) {
 563         try {
 564                 if (sender.checked) {
 565                         Element.show('filterDlg_cats');
 566                         Element.hide('filterDlg_feeds');
 567                 } else {
 568                         Element.show('filterDlg_feeds');
 569                         Element.hide('filterDlg_cats');
 570                 }
 571
 572         } catch (e) {
 573                 exception_error("filterDlgCheckCat", e);
 574         }
 575 }
 576
 577 function filterDlgCheckType(sender) {
 578
 579         try {
 580
 581                 var ftype = sender.value;
 582
 583                 // if selected filter type is 5 (Date) enable the modifier dropbox
 584                 if (ftype == 5) {
 585                         Element.show("filterDlg_dateModBox");
 586                         Element.show("filterDlg_dateChkBox");
 587                 } else {
 588                         Element.hide("filterDlg_dateModBox");
 589                         Element.hide("filterDlg_dateChkBox");
 590
 591                 }
 592
 593         } catch (e) {
 594                 exception_error("filterDlgCheckType", e);
 595         }
 596
 597 }
 598
 599 function filterDlgCheckAction(sender) {
 600
 601         try {
 602
 603                 var action = sender.value;
 604
 605                 var action_param = $("filterDlg_paramBox");
 606
 607                 if (!action_param) {
 608                         console.log("filterDlgCheckAction: can't find action param box!");
 609                         return;
 610                 }
 611
 612                 // if selected action supports parameters, enable params field
 613                 if (action == 4 || action == 6 || action == 7) {
 614                         new Effect.Appear(action_param, {duration : 0.5});
 615                         if (action != 7) {
 616                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
 617                                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 618                         } else {
 619                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 620                                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 621                         }
 622                 } else {
 623                         Element.hide(action_param);
 624                 }
 625
 626         } catch (e) {
 627                 exception_error("filterDlgCheckAction", e);
 628         }
 629
 630 }
 631
 632 function filterDlgCheckDate() {
 633         try {
 634                 var dialog = dijit.byId("filterEditDlg");
 635
 636                 var reg_exp = dialog.attr('value').reg_exp;
 637
 638                 var query = "?op=rpc&method=checkDate&date=" + reg_exp;
 639
 640                 new Ajax.Request("backend.php", {
 641                         parameters: query,
 642                         onComplete: function(transport) {
 643
 644                                 var reply = JSON.parse(transport.responseText);
 645
 646                                 if (reply['result'] == true) {
 647                                         alert(__("Date syntax appears to be correct:") + " " + reply['date']);
 648                                         return;
 649                                 } else {
 650                                         alert(__("Date syntax is incorrect."));
 651                                 }
 652
 653                         } });
 654
 655
 656         } catch (e) {
 657                 exception_error("filterDlgCheckDate", e);
 658         }
 659 }
 660
 661 function explainError(code) {
 662         return displayDlg("explainError", code);
 663 }
 664
 665 function loading_set_progress(p) {
 666         try {
 667                 loading_progress += p;
 668
 669                 if (dijit.byId("loading_bar"))
 670                         dijit.byId("loading_bar").update({progress: loading_progress});
 671
 672                 if (loading_progress >= 90)
 673                         remove_splash();
 674
 675         } catch (e) {
 676                 exception_error("loading_set_progress", e);
 677         }
 678 }
 679
 680 function remove_splash() {
 681
 682         if (Element.visible("overlay")) {
 683                 console.log("about to remove splash, OMG!");
 684                 Element.hide("overlay");
 685                 console.log("removed splash!");
 686         }
 687 }
 688
 689 function transport_error_check(transport) {
 690         try {
 691                 if (transport.responseXML) {
 692                         var error = transport.responseXML.getElementsByTagName("error")[0];
 693
 694                         if (error) {
 695                                 var code = error.getAttribute("error-code");
 696                                 var msg = error.getAttribute("error-msg");
 697                                 if (code != 0) {
 698                                         fatalError(code, msg);
 699                                         return false;
 700                                 }
 701                         }
 702                 }
 703         } catch (e) {
 704                 exception_error("check_for_error_xml", e);
 705         }
 706         return true;
 707 }
 708
 709 function strip_tags(s) {
 710         return s.replace(/<\/?[^>]+(>|$)/g, "");
 711 }
 712
 713 function truncate_string(s, length) {
 714         if (!length) length = 30;
 715         var tmp = s.substring(0, length);
 716         if (s.length > length) tmp += "&hellip;";
 717         return tmp;
 718 }
 719
 720 function hotkey_prefix_timeout() {
 721         try {
 722
 723                 var date = new Date();
 724                 var ts = Math.round(date.getTime() / 1000);
 725
 726                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 727                         console.log("hotkey_prefix seems to be stuck, aborting");
 728                         hotkey_prefix_pressed = false;
 729                         hotkey_prefix = false;
 730                         Element.hide('cmdline');
 731                 }
 732
 733                 setTimeout("hotkey_prefix_timeout()", 1000);
 734
 735         } catch  (e) {
 736                 exception_error("hotkey_prefix_timeout", e);
 737         }
 738 }
 739
 740 function hideAuxDlg() {
 741         try {
 742                 Element.hide('auxDlg');
 743         } catch (e) {
 744                 exception_error("hideAuxDlg", e);
 745         }
 746 }
 747
 748
 749 function uploadIconHandler(rc) {
 750         try {
 751                 switch (rc) {
 752                         case 0:
 753                                 notify_info("Upload complete.");
 754                                 if (inPreferences()) {
 755                                         updateFeedList();
 756                                 } else {
 757                                         setTimeout('updateFeedList(false, false)', 50);
 758                                 }
 759                                 break;
 760                         case 1:
 761                                 notify_error("Upload failed: icon is too big.");
 762                                 break;
 763                         case 2:
 764                                 notify_error("Upload failed.");
 765                                 break;
 766                 }
 767
 768         } catch (e) {
 769                 exception_error("uploadIconHandler", e);
 770         }
 771 }
 772
 773 function removeFeedIcon(id) {
 774
 775         try {
 776
 777                 if (confirm(__("Remove stored feed icon?"))) {
 778                         var query = "backend.php?op=pref-feeds&method=removeicon&feed_id=" + param_escape(id);
 779
 780                         console.log(query);
 781
 782                         notify_progress("Removing feed icon...", true);
 783
 784                         new Ajax.Request("backend.php", {
 785                                 parameters: query,
 786                                 onComplete: function(transport) {
 787                                         notify_info("Feed icon removed.");
 788                                         if (inPreferences()) {
 789                                                 updateFeedList();
 790                                         } else {
 791                                                 setTimeout('updateFeedList(false, false)', 50);
 792                                         }
 793                                 } });
 794                 }
 795
 796                 return false;
 797         } catch (e) {
 798                 exception_error("removeFeedIcon", e);
 799         }
 800 }
 801
 802 function uploadFeedIcon() {
 803
 804         try {
 805
 806                 var file = $("icon_file");
 807
 808                 if (file.value.length == 0) {
 809                         alert(__("Please select an image file to upload."));
 810                 } else {
 811                         if (confirm(__("Upload new icon for this feed?"))) {
 812                                 notify_progress("Uploading, please wait...", true);
 813                                 return true;
 814                         }
 815                 }
 816
 817                 return false;
 818
 819         } catch (e) {
 820                 exception_error("uploadFeedIcon", e);
 821         }
 822 }
 823
 824 function addLabel(select, callback) {
 825
 826         try {
 827
 828                 var caption = prompt(__("Please enter label caption:"), "");
 829
 830                 if (caption != undefined) {
 831
 832                         if (caption == "") {
 833                                 alert(__("Can't create label: missing caption."));
 834                                 return false;
 835                         }
 836
 837                         var query = "?op=pref-labels&method=add&caption=" +
 838                                 param_escape(caption);
 839
 840                         if (select)
 841                                 query += "&output=select";
 842
 843                         notify_progress("Loading, please wait...", true);
 844
 845                         if (inPreferences() && !select) active_tab = "labelConfig";
 846
 847                         new Ajax.Request("backend.php", {
 848                                 parameters: query,
 849                                 onComplete: function(transport) {
 850                                         if (callback) {
 851                                                 callback(transport);
 852                                         } else if (inPreferences()) {
 853                                                 updateLabelList();
 854                                         } else {
 855                                                 updateFeedList();
 856                                         }
 857                         } });
 858
 859                 }
 860
 861         } catch (e) {
 862                 exception_error("addLabel", e);
 863         }
 864 }
 865
 866 function quickAddFeed() {
 867         try {
 868                 var query = "backend.php?op=dlg&method=quickAddFeed";
 869
 870                 if (dijit.byId("feedAddDlg"))
 871                         dijit.byId("feedAddDlg").destroyRecursive();
 872
 873                 var dialog = new dijit.Dialog({
 874                         id: "feedAddDlg",
 875                         title: __("Subscribe to Feed"),
 876                         style: "width: 600px",
 877                         execute: function() {
 878                                 if (this.validate()) {
 879                                         console.log(dojo.objectToQuery(this.attr('value')));
 880
 881                                         var feed_url = this.attr('value').feed;
 882
 883                                         notify_progress(__("Subscribing to feed..."), true);
 884
 885                                         new Ajax.Request("backend.php", {
 886                                                 parameters: dojo.objectToQuery(this.attr('value')),
 887                                                 onComplete: function(transport) {
 888                                                         try {
 889
 890                                                                 var reply = JSON.parse(transport.responseText);
 891
 892                                                                 var rc = parseInt(reply['result']);
 893
 894                                                                 notify('');
 895
 896                                                                 console.log("GOT RC: " + rc);
 897
 898                                                                 switch (rc) {
 899                                                                 case 1:
 900                                                                         dialog.hide();
 901                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 902
 903                                                                         updateFeedList();
 904                                                                         break;
 905                                                                 case 2:
 906                                                                         alert(__("Specified URL seems to be invalid."));
 907                                                                         break;
 908                                                                 case 3:
 909                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 910                                                                         break;
 911                                                                 case 4:
 912                                                                         notify_progress("Searching for feed urls...", true);
 913
 914                                                                         new Ajax.Request("backend.php", {
 915                                                                                 parameters: 'op=rpc&method=extractfeedurls&url=' + param_escape(feed_url),
 916                                                                                 onComplete: function(transport, dialog, feed_url) {
 917
 918                                                                                         notify('');
 919
 920                                                                                         var reply = JSON.parse(transport.responseText);
 921
 922                                                                                         var feeds = reply['urls'];
 923
 924                                                                                         console.log(transport.responseText);
 925
 926                                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 927
 928                                                                                         while (select.getOptions().length > 0)
 929                                                                                                 select.removeOption(0);
 930
 931                                                                                         var count = 0;
 932                                                                                         for (var feedUrl in feeds) {
 933                                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 934                                                                                                 count++;
 935                                                                                         }
 936
 937 //                                                                                      if (count > 5) count = 5;
 938 //                                                                                      select.size = count;
 939
 940                                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 941                                                                                 }
 942                                                                         });
 943                                                                         break;
 944                                                                 case 5:
 945                                                                         alert(__("Couldn't download the specified URL."));
 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 quickAddFilter() {
 969         try {
 970                 var query = "backend.php?op=dlg&method=quickAddFilter";
 971
 972                 if (dijit.byId("feedEditDlg"))
 973                         dijit.byId("feedEditDlg").destroyRecursive();
 974
 975                 if (dijit.byId("filterEditDlg"))
 976                         dijit.byId("filterEditDlg").destroyRecursive();
 977
 978                 dialog = new dijit.Dialog({
 979                         id: "filterEditDlg",
 980                         title: __("Create Filter"),
 981                         style: "width: 600px",
 982                         test: function() {
 983                                 if (this.validate()) {
 984
 985                                         var query = "?op=rpc&method=verifyRegexp&reg_exp=" +
 986                                                 param_escape(dialog.attr('value').reg_exp);
 987
 988                                         notify_progress("Verifying regular expression...");
 989
 990                                         new Ajax.Request("backend.php", {
 991                                                 parameters: query,
 992                                                 onComplete: function(transport) {
 993                                                         var reply = JSON.parse(transport.responseText);
 994
 995                                                         if (reply) {
 996                                                                 notify('');
 997
 998                                                                 if (!reply['status']) {
 999                                                                         alert("Invalid regular expression.");
1000                                                                         return;
1001                                                                 } else {
1002
1003                                                                         if (dijit.byId("filterTestDlg"))
1004                                                                                 dijit.byId("filterTestDlg").destroyRecursive();
1005
1006                                                                         tdialog = new dijit.Dialog({
1007                                                                                 id: "filterTestDlg",
1008                                                                                 title: __("Filter Test Results"),
1009                                                                                 style: "width: 600px",
1010                                                                                 href: "backend.php?savemode=test&" +
1011                                                                                 dojo.objectToQuery(dialog.attr('value')),
1012                                                                         });
1013
1014                                                                         tdialog.show();
1015                                                                 }
1016                                                         }
1017                                         }});
1018                                 }
1019                         },
1020                         execute: function() {
1021                                 if (this.validate()) {
1022
1023                                         var query = "?op=rpc&method=verifyRegexp&reg_exp=" +
1024                                                 param_escape(dialog.attr('value').reg_exp);
1025
1026                                         notify_progress("Verifying regular expression...");
1027
1028                                         new Ajax.Request("backend.php", {
1029                                                 parameters: query,
1030                                                 onComplete: function(transport) {
1031                                                         var reply = JSON.parse(transport.responseText);
1032
1033                                                         if (reply) {
1034                                                                 notify('');
1035
1036                                                                 if (!reply['status']) {
1037                                                                         alert("Invalid regular expression.");
1038                                                                         return;
1039                                                                 } else {
1040                                                                         notify_progress("Saving data...", true);
1041
1042                                                                         console.log(dojo.objectToQuery(dialog.attr('value')));
1043
1044                                                                         new Ajax.Request("backend.php", {
1045                                                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1046                                                                                 onComplete: function(transport) {
1047                                                                                         dialog.hide();
1048                                                                                         notify_info(transport.responseText);
1049                                                                                         if (inPreferences()) {
1050                                                                                                 updateFilterList();
1051                                                                                         }
1052                                                                         }});
1053                                                                 }
1054                                                         }
1055                                         }});
1056                                 }
1057                         },
1058                         href: query});
1059
1060                 dialog.show();
1061         } catch (e) {
1062                 exception_error("quickAddFilter", e);
1063         }
1064 }
1065
1066 function resetPubSub(feed_id, title) {
1067
1068         var msg = __("Reset subscription? Tiny Tiny RSS will try to subscribe to the notification hub again on next feed update.").replace("%s", title);
1069
1070         if (title == undefined || confirm(msg)) {
1071                 notify_progress("Loading, please wait...");
1072
1073                 var query = "?op=pref-feeds&quiet=1&method=resetPubSub&ids=" + feed_id;
1074
1075                 new Ajax.Request("backend.php", {
1076                         parameters: query,
1077                         onComplete: function(transport) {
1078                                 dijit.byId("pubsubReset_Btn").attr('disabled', true);
1079                                 notify_info("Subscription reset.");
1080                         } });
1081         }
1082
1083         return false;
1084 }
1085
1086
1087 function unsubscribeFeed(feed_id, title) {
1088
1089         var msg = __("Unsubscribe from %s?").replace("%s", title);
1090
1091         if (title == undefined || confirm(msg)) {
1092                 notify_progress("Removing feed...");
1093
1094                 var query = "?op=pref-feeds&quiet=1&method=remove&ids=" + feed_id;
1095
1096                 new Ajax.Request("backend.php", {
1097                         parameters: query,
1098                         onComplete: function(transport) {
1099
1100                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1101
1102                                         if (inPreferences()) {
1103                                                 updateFeedList();
1104                                         } else {
1105                                                 if (feed_id == getActiveFeedId())
1106                                                         setTimeout("viewfeed(-5)", 100);
1107                                         }
1108
1109                                 } });
1110         }
1111
1112         return false;
1113 }
1114
1115
1116 function backend_sanity_check_callback(transport) {
1117
1118         try {
1119
1120                 if (sanity_check_done) {
1121                         fatalError(11, "Sanity check request received twice. This can indicate "+
1122                       "presence of Firebug or some other disrupting extension. "+
1123                                 "Please disable it and try again.");
1124                         return;
1125                 }
1126
1127                 var reply = JSON.parse(transport.responseText);
1128
1129                 if (!reply) {
1130                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1131                         return;
1132                 }
1133
1134                 var error_code = reply['error']['code'];
1135
1136                 if (error_code && error_code != 0) {
1137                         return fatalError(error_code, reply['error']['message']);
1138                 }
1139
1140                 console.log("sanity check ok");
1141
1142                 var params = reply['init-params'];
1143
1144                 if (params) {
1145                         console.log('reading init-params...');
1146
1147                         if (params) {
1148                                 for (k in params) {
1149                                         var v = params[k];
1150                                         console.log("IP: " + k + " => " + v);
1151                                 }
1152                         }
1153
1154                         init_params = params;
1155                 }
1156
1157                 sanity_check_done = true;
1158
1159                 init_second_stage();
1160
1161         } catch (e) {
1162                 exception_error("backend_sanity_check_callback", e, transport);
1163         }
1164 }
1165
1166 /*function has_local_storage() {
1167         try {
1168                 return 'sessionStorage' in window && window['sessionStorage'] != null;
1169         } catch (e) {
1170                 return false;
1171         }
1172 } */
1173
1174 function catSelectOnChange(elem) {
1175         try {
1176 /*              var value = elem[elem.selectedIndex].value;
1177                 var def = elem.getAttribute('default');
1178
1179                 if (value == "ADD_CAT") {
1180
1181                         if (def)
1182                                 dropboxSelect(elem, def);
1183                         else
1184                                 elem.selectedIndex = 0;
1185
1186                         quickAddCat(elem);
1187                 } */
1188
1189         } catch (e) {
1190                 exception_error("catSelectOnChange", e);
1191         }
1192 }
1193
1194 function quickAddCat(elem) {
1195         try {
1196                 var cat = prompt(__("Please enter category title:"));
1197
1198                 if (cat) {
1199
1200                         var query = "?op=rpc&method=quickAddCat&cat=" + param_escape(cat);
1201
1202                         notify_progress("Loading, please wait...", true);
1203
1204                         new Ajax.Request("backend.php", {
1205                                 parameters: query,
1206                                 onComplete: function (transport) {
1207                                         var response = transport.responseXML;
1208                                         var select = response.getElementsByTagName("select")[0];
1209                                         var options = select.getElementsByTagName("option");
1210
1211                                         dropbox_replace_options(elem, options);
1212
1213                                         notify('');
1214
1215                         } });
1216
1217                 }
1218
1219         } catch (e) {
1220                 exception_error("quickAddCat", e);
1221         }
1222 }
1223
1224 function genUrlChangeKey(feed, is_cat) {
1225
1226         try {
1227                 var ok = confirm(__("Generate new syndication address for this feed?"));
1228
1229                 if (ok) {
1230
1231                         notify_progress("Trying to change address...", true);
1232
1233                         var query = "?op=rpc&method=regenFeedKey&id=" + param_escape(feed) +
1234                                 "&is_cat=" + param_escape(is_cat);
1235
1236                         new Ajax.Request("backend.php", {
1237                                 parameters: query,
1238                                 onComplete: function(transport) {
1239                                                 var reply = JSON.parse(transport.responseText);
1240                                                 var new_link = reply.link;
1241
1242                                                 var e = $('gen_feed_url');
1243
1244                                                 if (new_link) {
1245
1246                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1247                                                                 "&amp;key=" + new_link);
1248
1249                                                         e.href = e.href.replace(/\&key=.*$/,
1250                                                                 "&key=" + new_link);
1251
1252                                                         new Effect.Highlight(e);
1253
1254                                                         notify('');
1255
1256                                                 } else {
1257                                                         notify_error("Could not change feed URL.");
1258                                                 }
1259                                 } });
1260                 }
1261         } catch (e) {
1262                 exception_error("genUrlChangeKey", e);
1263         }
1264         return false;
1265 }
1266
1267 function labelSelectOnChange(elem) {
1268         try {
1269 /*              var value = elem[elem.selectedIndex].value;
1270                 var def = elem.getAttribute('default');
1271
1272                 if (value == "ADD_LABEL") {
1273
1274                         if (def)
1275                                 dropboxSelect(elem, def);
1276                         else
1277                                 elem.selectedIndex = 0;
1278
1279                         addLabel(elem, function(transport) {
1280
1281                                         try {
1282
1283                                                 var response = transport.responseXML;
1284                                                 var select = response.getElementsByTagName("select")[0];
1285                                                 var options = select.getElementsByTagName("option");
1286
1287                                                 dropbox_replace_options(elem, options);
1288
1289                                                 notify('');
1290                                         } catch (e) {
1291                                                 exception_error("addLabel", e);
1292                                         }
1293                         });
1294                 } */
1295
1296         } catch (e) {
1297                 exception_error("labelSelectOnChange", e);
1298         }
1299 }
1300
1301 function dropbox_replace_options(elem, options) {
1302
1303         try {
1304                 while (elem.hasChildNodes())
1305                         elem.removeChild(elem.firstChild);
1306
1307                 var sel_idx = -1;
1308
1309                 for (var i = 0; i < options.length; i++) {
1310                         var text = options[i].firstChild.nodeValue;
1311                         var value = options[i].getAttribute("value");
1312
1313                         if (value == undefined) value = text;
1314
1315                         var issel = options[i].getAttribute("selected") == "1";
1316
1317                         var option = new Option(text, value, issel);
1318
1319                         if (options[i].getAttribute("disabled"))
1320                                 option.setAttribute("disabled", true);
1321
1322                         elem.insert(option);
1323
1324                         if (issel) sel_idx = i;
1325                 }
1326
1327                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1328                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1329
1330         } catch (e) {
1331                 exception_error("dropbox_replace_options", e);
1332         }
1333 }
1334
1335 // mode = all, none, invert
1336 function selectTableRows(id, mode) {
1337         try {
1338                 var rows = $(id).rows;
1339
1340                 for (var i = 0; i < rows.length; i++) {
1341                         var row = rows[i];
1342                         var cb = false;
1343
1344                         if (row.id && row.className) {
1345                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1346                                 var inputs = rows[i].getElementsByTagName("input");
1347
1348                                 for (var j = 0; j < inputs.length; j++) {
1349                                         var input = inputs[j];
1350
1351                                         if (input.getAttribute("type") == "checkbox" &&
1352                                                         input.id.match(bare_id)) {
1353
1354                                                 cb = input;
1355                                                 break;
1356                                         }
1357                                 }
1358
1359                                 if (cb) {
1360                                         var issel = row.hasClassName("Selected");
1361
1362                                         if (mode == "all" && !issel) {
1363                                                 row.addClassName("Selected");
1364                                                 cb.checked = true;
1365                                         } else if (mode == "none" && issel) {
1366                                                 row.removeClassName("Selected");
1367                                                 cb.checked = false;
1368                                         } else if (mode == "invert") {
1369
1370                                                 if (issel) {
1371                                                         row.removeClassName("Selected");
1372                                                         cb.checked = false;
1373                                                 } else {
1374                                                         row.addClassName("Selected");
1375                                                         cb.checked = true;
1376                                                 }
1377                                         }
1378                                 }
1379                         }
1380                 }
1381
1382         } catch (e) {
1383                 exception_error("selectTableRows", e);
1384
1385         }
1386 }
1387
1388 function getSelectedTableRowIds(id) {
1389         var rows = [];
1390
1391         try {
1392                 var elem_rows = $(id).rows;
1393
1394                 for (var i = 0; i < elem_rows.length; i++) {
1395                         if (elem_rows[i].hasClassName("Selected")) {
1396                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1397                                 rows.push(bare_id);
1398                         }
1399                 }
1400
1401         } catch (e) {
1402                 exception_error("getSelectedTableRowIds", e);
1403         }
1404
1405         return rows;
1406 }
1407
1408 function editFeed(feed, event) {
1409         try {
1410                 if (feed <= 0)
1411                         return alert(__("You can't edit this kind of feed."));
1412
1413                 var query = "backend.php?op=pref-feeds&method=editfeed&id=" +
1414                         param_escape(feed);
1415
1416                 console.log(query);
1417
1418                 if (dijit.byId("filterEditDlg"))
1419                         dijit.byId("filterEditDlg").destroyRecursive();
1420
1421                 if (dijit.byId("feedEditDlg"))
1422                         dijit.byId("feedEditDlg").destroyRecursive();
1423
1424                 dialog = new dijit.Dialog({
1425                         id: "feedEditDlg",
1426                         title: __("Edit Feed"),
1427                         style: "width: 600px",
1428                         execute: function() {
1429                                 if (this.validate()) {
1430 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1431
1432                                         notify_progress("Saving data...", true);
1433
1434                                         new Ajax.Request("backend.php", {
1435                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1436                                                 onComplete: function(transport) {
1437                                                         dialog.hide();
1438                                                         notify('');
1439                                                         updateFeedList();
1440                                         }});
1441                                 }
1442                         },
1443                         href: query});
1444
1445                 dialog.show();
1446
1447         } catch (e) {
1448                 exception_error("editFeed", e);
1449         }
1450 }
1451
1452 function feedBrowser() {
1453         try {
1454                 var query = "backend.php?op=dlg&method=feedBrowser";
1455
1456                 if (dijit.byId("feedAddDlg"))
1457                         dijit.byId("feedAddDlg").hide();
1458
1459                 if (dijit.byId("feedBrowserDlg"))
1460                         dijit.byId("feedBrowserDlg").destroyRecursive();
1461
1462                 var dialog = new dijit.Dialog({
1463                         id: "feedBrowserDlg",
1464                         title: __("More Feeds"),
1465                         style: "width: 600px",
1466                         getSelectedFeedIds: function() {
1467                                 var list = $$("#browseFeedList li[id*=FBROW]");
1468                                 var selected = new Array();
1469
1470                                 list.each(function(child) {
1471                                         var id = child.id.replace("FBROW-", "");
1472
1473                                         if (child.hasClassName('Selected')) {
1474                                                 selected.push(id);
1475                                         }
1476                                 });
1477
1478                                 return selected;
1479                         },
1480                         getSelectedFeeds: function() {
1481                                 var list = $$("#browseFeedList li.Selected");
1482                                 var selected = new Array();
1483
1484                                 list.each(function(child) {
1485                                         var title = child.getElementsBySelector("span.fb_feedTitle")[0].innerHTML;
1486                                         var url = child.getElementsBySelector("a.fb_feedUrl")[0].href;
1487
1488                                         selected.push([title,url]);
1489
1490                                 });
1491
1492                                 return selected;
1493                         },
1494
1495                         subscribe: function() {
1496                                 var mode = this.attr('value').mode;
1497                                 var selected = [];
1498
1499                                 if (mode == "1")
1500                                         selected = this.getSelectedFeeds();
1501                                 else
1502                                         selected = this.getSelectedFeedIds();
1503
1504                                 if (selected.length > 0) {
1505                                         dijit.byId("feedBrowserDlg").hide();
1506
1507                                         notify_progress("Loading, please wait...", true);
1508
1509                                         // we use dojo.toJson instead of JSON.stringify because
1510                                         // it somehow escapes everything TWICE, at least in Chrome 9
1511
1512                                         var query = "?op=rpc&method=massSubscribe&payload="+
1513                                                 param_escape(dojo.toJson(selected)) + "&mode=" + param_escape(mode);
1514
1515                                         console.log(query);
1516
1517                                         new Ajax.Request("backend.php", {
1518                                                 parameters: query,
1519                                                 onComplete: function(transport) {
1520                                                         notify('');
1521                                                         updateFeedList();
1522                                                 } });
1523
1524                                 } else {
1525                                         alert(__("No feeds are selected."));
1526                                 }
1527
1528                         },
1529                         update: function() {
1530                                 var query = dojo.objectToQuery(dialog.attr('value'));
1531
1532                                 Element.show('feed_browser_spinner');
1533
1534                                 new Ajax.Request("backend.php", {
1535                                         parameters: query,
1536                                         onComplete: function(transport) {
1537                                                 notify('');
1538
1539                                                 Element.hide('feed_browser_spinner');
1540
1541                                                 var c = $("browseFeedList");
1542
1543                                                 var reply = JSON.parse(transport.responseText);
1544
1545                                                 var r = reply['content'];
1546                                                 var mode = reply['mode'];
1547
1548                                                 if (c && r) {
1549                                                         c.innerHTML = r;
1550                                                 }
1551
1552                                                 dojo.parser.parse("browseFeedList");
1553
1554                                                 if (mode == 2) {
1555                                                         Element.show(dijit.byId('feed_archive_remove').domNode);
1556                                                 } else {
1557                                                         Element.hide(dijit.byId('feed_archive_remove').domNode);
1558                                                 }
1559
1560                                         } });
1561                         },
1562                         removeFromArchive: function() {
1563                                 var selected = this.getSelectedFeeds();
1564
1565                                 if (selected.length > 0) {
1566
1567                                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1568
1569                                         if (confirm(pr)) {
1570                                                 Element.show('feed_browser_spinner');
1571
1572                                                 var query = "?op=rpc&method=remarchived&ids=" +
1573                                                         param_escape(selected.toString());;
1574
1575                                                 new Ajax.Request("backend.php", {
1576                                                         parameters: query,
1577                                                         onComplete: function(transport) {
1578                                                                 dialog.update();
1579                                                         } });
1580                                         }
1581                                 }
1582                         },
1583                         execute: function() {
1584                                 if (this.validate()) {
1585                                         this.subscribe();
1586                                 }
1587                         },
1588                         href: query});
1589
1590                 dialog.show();
1591
1592         } catch (e) {
1593                 exception_error("editFeed", e);
1594         }
1595 }
1596
1597 function showFeedsWithErrors() {
1598         try {
1599                 var query = "backend.php?op=dlg&method=feedsWithErrors";
1600
1601                 if (dijit.byId("errorFeedsDlg"))
1602                         dijit.byId("errorFeedsDlg").destroyRecursive();
1603
1604                 dialog = new dijit.Dialog({
1605                         id: "errorFeedsDlg",
1606                         title: __("Feeds with update errors"),
1607                         style: "width: 600px",
1608                         getSelectedFeeds: function() {
1609                                 return getSelectedTableRowIds("prefErrorFeedList");
1610                         },
1611                         removeSelected: function() {
1612                                 var sel_rows = this.getSelectedFeeds();
1613
1614                                 console.log(sel_rows);
1615
1616                                 if (sel_rows.length > 0) {
1617                                         var ok = confirm(__("Remove selected feeds?"));
1618
1619                                         if (ok) {
1620                                                 notify_progress("Removing selected feeds...", true);
1621
1622                                                 var query = "?op=pref-feeds&method=remove&ids="+
1623                                                         param_escape(sel_rows.toString());
1624
1625                                                 new Ajax.Request("backend.php", {
1626                                                         parameters: query,
1627                                                         onComplete: function(transport) {
1628                                                                 notify('');
1629                                                                 dialog.hide();
1630                                                                 updateFeedList();
1631                                                         } });
1632                                         }
1633
1634                                 } else {
1635                                         alert(__("No feeds are selected."));
1636                                 }
1637                         },
1638                         execute: function() {
1639                                 if (this.validate()) {
1640                                 }
1641                         },
1642                         href: query});
1643
1644                 dialog.show();
1645
1646         } catch (e) {
1647                 exception_error("showFeedsWithErrors", e);
1648         }
1649
1650 }
1651
1652 /* new support functions for SelectByTag */
1653
1654 function get_all_tags(selObj){
1655         try {
1656                 if( !selObj ) return "";
1657
1658                 var result = "";
1659                 var len = selObj.options.length;
1660
1661                 for (var i=0; i < len; i++){
1662                         if (selObj.options[i].selected) {
1663                                 result += selObj[i].value + "%2C";   // is really a comma
1664                         }
1665                 }
1666
1667                 if (result.length > 0){
1668                         result = result.substr(0, result.length-3);  // remove trailing %2C
1669                 }
1670
1671                 return(result);
1672
1673         } catch (e) {
1674                 exception_error("get_all_tags", e);
1675         }
1676 }
1677
1678 function get_radio_checked(radioObj) {
1679         try {
1680                 if (!radioObj) return "";
1681
1682                 var len = radioObj.length;
1683
1684                 if (len == undefined){
1685                         if(radioObj.checked){
1686                                 return(radioObj.value);
1687                         } else {
1688                                 return("");
1689                         }
1690                 }
1691
1692                 for( var i=0; i < len; i++ ){
1693                         if( radioObj[i].checked ){
1694                                 return( radioObj[i].value);
1695                         }
1696                 }
1697
1698         } catch (e) {
1699                 exception_error("get_radio_checked", e);
1700         }
1701         return("");
1702 }