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