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) {
 370
 371         if (!row) row = sender.parentNode.parentNode;
 372
 373         if (sender.checked && !row.hasClassName('Selected'))
 374                 row.addClassName('Selected');
 375         else
 376                 row.removeClassName('Selected');
 377 }
 378
 379 function checkboxToggleElement(elem, id) {
 380         if (elem.checked) {
 381                 Effect.Appear(id, {duration : 0.5});
 382         } else {
 383                 Effect.Fade(id, {duration : 0.5});
 384         }
 385 }
 386
 387 function dropboxSelect(e, v) {
 388         for (var i = 0; i < e.length; i++) {
 389                 if (e[i].value == v) {
 390                         e.selectedIndex = i;
 391                         break;
 392                 }
 393         }
 394 }
 395
 396 function getURLParam(param){
 397         return String(window.location.href).parseQuery()[param];
 398 }
 399
 400 function closeInfoBox(cleanup) {
 401         try {
 402                 dialog = dijit.byId("infoBox");
 403
 404                 if (dialog)     dialog.hide();
 405
 406         } catch (e) {
 407                 //exception_error("closeInfoBox", e);
 408         }
 409         return false;
 410 }
 411
 412
 413 function displayDlg(id, param, callback) {
 414
 415         notify_progress("Loading, please wait...", true);
 416
 417         var query = "?op=dlg&method=" +
 418                 param_escape(id) + "&param=" + param_escape(param);
 419
 420         new Ajax.Request("backend.php", {
 421                 parameters: query,
 422                 onComplete: function (transport) {
 423                         infobox_callback2(transport);
 424                         if (callback) callback(transport);
 425                 } });
 426
 427         return false;
 428 }
 429
 430 function infobox_callback2(transport) {
 431         try {
 432                 var dialog = false;
 433
 434                 if (dijit.byId("infoBox")) {
 435                         dialog = dijit.byId("infoBox");
 436                 }
 437
 438                 //console.log("infobox_callback2");
 439                 notify('');
 440
 441                 var title = transport.responseXML.getElementsByTagName("title")[0];
 442                 if (title)
 443                         title = title.firstChild.nodeValue;
 444
 445                 var content = transport.responseXML.getElementsByTagName("content")[0];
 446
 447                 content = content.firstChild.nodeValue;
 448
 449                 if (!dialog) {
 450                         dialog = new dijit.Dialog({
 451                                 title: title,
 452                                 id: 'infoBox',
 453                                 style: "width: 600px",
 454                                 onCancel: function() {
 455                                         return true;
 456                                 },
 457                                 onExecute: function() {
 458                                         return true;
 459                                 },
 460                                 onClose: function() {
 461                                         return true;
 462                                         },
 463                                 content: content});
 464                 } else {
 465                         dialog.attr('title', title);
 466                         dialog.attr('content', content);
 467                 }
 468
 469                 dialog.show();
 470
 471                 notify("");
 472         } catch (e) {
 473                 exception_error("infobox_callback2", e);
 474         }
 475 }
 476
 477 function filterCR(e, f)
 478 {
 479      var key;
 480
 481      if(window.event)
 482           key = window.event.keyCode;     //IE
 483      else
 484           key = e.which;     //firefox
 485
 486         if (key == 13) {
 487                 if (typeof f != 'undefined') {
 488                         f();
 489                         return false;
 490                 } else {
 491                         return false;
 492                 }
 493         } else {
 494                 return true;
 495         }
 496 }
 497
 498 function getInitParam(key) {
 499         return init_params[key];
 500 }
 501
 502 function setInitParam(key, value) {
 503         init_params[key] = value;
 504 }
 505
 506 function fatalError(code, msg, ext_info) {
 507         try {
 508
 509                 if (code == 6) {
 510                         window.location.href = "index.php";
 511                 } else if (code == 5) {
 512                         window.location.href = "db-updater.php";
 513                 } else {
 514
 515                         if (msg == "") msg = "Unknown error";
 516
 517                         if (ext_info) {
 518                                 if (ext_info.responseText) {
 519                                         ext_info = ext_info.responseText;
 520                                 }
 521                         }
 522
 523                         if (ERRORS && ERRORS[code] && !msg) {
 524                                 msg = ERRORS[code];
 525                         }
 526
 527                         var content = "<div><b>Error code:</b> " + code + "</div>" +
 528                                 "<p>" + msg + "</p>";
 529
 530                         if (ext_info) {
 531                                 content = content + "<div><b>Additional information:</b></div>" +
 532                                         "<textarea style='width: 100%' readonly=\"1\">" +
 533                                         ext_info + "</textarea>";
 534                         }
 535
 536                         var dialog = new dijit.Dialog({
 537                                 title: "Fatal error",
 538                                 style: "width: 600px",
 539                                 content: content});
 540
 541                         dialog.show();
 542
 543                 }
 544
 545                 return false;
 546
 547         } catch (e) {
 548                 exception_error("fatalError", e);
 549         }
 550 }
 551
 552 /* function filterDlgCheckType(sender) {
 553
 554         try {
 555
 556                 var ftype = sender.value;
 557
 558                 // if selected filter type is 5 (Date) enable the modifier dropbox
 559                 if (ftype == 5) {
 560                         Element.show("filterDlg_dateModBox");
 561                         Element.show("filterDlg_dateChkBox");
 562                 } else {
 563                         Element.hide("filterDlg_dateModBox");
 564                         Element.hide("filterDlg_dateChkBox");
 565
 566                 }
 567
 568         } catch (e) {
 569                 exception_error("filterDlgCheckType", e);
 570         }
 571
 572 } */
 573
 574 function filterDlgCheckAction(sender) {
 575
 576         try {
 577
 578                 var action = sender.value;
 579
 580                 var action_param = $("filterDlg_paramBox");
 581
 582                 if (!action_param) {
 583                         console.log("filterDlgCheckAction: can't find action param box!");
 584                         return;
 585                 }
 586
 587                 // if selected action supports parameters, enable params field
 588                 if (action == 4 || action == 6 || action == 7) {
 589                         new Effect.Appear(action_param, {duration : 0.5});
 590                         if (action != 7) {
 591                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
 592                                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 593                         } else {
 594                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 595                                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 596                         }
 597                 } else {
 598                         Element.hide(action_param);
 599                 }
 600
 601         } catch (e) {
 602                 exception_error("filterDlgCheckAction", e);
 603         }
 604
 605 }
 606
 607 function filterDlgCheckDate() {
 608         try {
 609                 var dialog = dijit.byId("filterEditDlg");
 610
 611                 var reg_exp = dialog.attr('value').reg_exp;
 612
 613                 var query = "?op=rpc&method=checkDate&date=" + reg_exp;
 614
 615                 new Ajax.Request("backend.php", {
 616                         parameters: query,
 617                         onComplete: function(transport) {
 618
 619                                 var reply = JSON.parse(transport.responseText);
 620
 621                                 if (reply['result'] == true) {
 622                                         alert(__("Date syntax appears to be correct:") + " " + reply['date']);
 623                                         return;
 624                                 } else {
 625                                         alert(__("Date syntax is incorrect."));
 626                                 }
 627
 628                         } });
 629
 630
 631         } catch (e) {
 632                 exception_error("filterDlgCheckDate", e);
 633         }
 634 }
 635
 636 function explainError(code) {
 637         return displayDlg("explainError", code);
 638 }
 639
 640 function loading_set_progress(p) {
 641         try {
 642                 loading_progress += p;
 643
 644                 if (dijit.byId("loading_bar"))
 645                         dijit.byId("loading_bar").update({progress: loading_progress});
 646
 647                 if (loading_progress >= 90)
 648                         remove_splash();
 649
 650         } catch (e) {
 651                 exception_error("loading_set_progress", e);
 652         }
 653 }
 654
 655 function remove_splash() {
 656
 657         if (Element.visible("overlay")) {
 658                 console.log("about to remove splash, OMG!");
 659                 Element.hide("overlay");
 660                 console.log("removed splash!");
 661         }
 662 }
 663
 664 function transport_error_check(transport) {
 665         try {
 666                 if (transport.responseXML) {
 667                         var error = transport.responseXML.getElementsByTagName("error")[0];
 668
 669                         if (error) {
 670                                 var code = error.getAttribute("error-code");
 671                                 var msg = error.getAttribute("error-msg");
 672                                 if (code != 0) {
 673                                         fatalError(code, msg);
 674                                         return false;
 675                                 }
 676                         }
 677                 }
 678         } catch (e) {
 679                 exception_error("check_for_error_xml", e);
 680         }
 681         return true;
 682 }
 683
 684 function strip_tags(s) {
 685         return s.replace(/<\/?[^>]+(>|$)/g, "");
 686 }
 687
 688 function truncate_string(s, length) {
 689         if (!length) length = 30;
 690         var tmp = s.substring(0, length);
 691         if (s.length > length) tmp += "&hellip;";
 692         return tmp;
 693 }
 694
 695 function hotkey_prefix_timeout() {
 696         try {
 697
 698                 var date = new Date();
 699                 var ts = Math.round(date.getTime() / 1000);
 700
 701                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 702                         console.log("hotkey_prefix seems to be stuck, aborting");
 703                         hotkey_prefix_pressed = false;
 704                         hotkey_prefix = false;
 705                         Element.hide('cmdline');
 706                 }
 707
 708                 setTimeout("hotkey_prefix_timeout()", 1000);
 709
 710         } catch  (e) {
 711                 exception_error("hotkey_prefix_timeout", e);
 712         }
 713 }
 714
 715 function hideAuxDlg() {
 716         try {
 717                 Element.hide('auxDlg');
 718         } catch (e) {
 719                 exception_error("hideAuxDlg", e);
 720         }
 721 }
 722
 723
 724 function uploadIconHandler(rc) {
 725         try {
 726                 switch (rc) {
 727                         case 0:
 728                                 notify_info("Upload complete.");
 729                                 if (inPreferences()) {
 730                                         updateFeedList();
 731                                 } else {
 732                                         setTimeout('updateFeedList(false, false)', 50);
 733                                 }
 734                                 break;
 735                         case 1:
 736                                 notify_error("Upload failed: icon is too big.");
 737                                 break;
 738                         case 2:
 739                                 notify_error("Upload failed.");
 740                                 break;
 741                 }
 742
 743         } catch (e) {
 744                 exception_error("uploadIconHandler", e);
 745         }
 746 }
 747
 748 function removeFeedIcon(id) {
 749
 750         try {
 751
 752                 if (confirm(__("Remove stored feed icon?"))) {
 753                         var query = "backend.php?op=pref-feeds&method=removeicon&feed_id=" + param_escape(id);
 754
 755                         console.log(query);
 756
 757                         notify_progress("Removing feed icon...", true);
 758
 759                         new Ajax.Request("backend.php", {
 760                                 parameters: query,
 761                                 onComplete: function(transport) {
 762                                         notify_info("Feed icon removed.");
 763                                         if (inPreferences()) {
 764                                                 updateFeedList();
 765                                         } else {
 766                                                 setTimeout('updateFeedList(false, false)', 50);
 767                                         }
 768                                 } });
 769                 }
 770
 771                 return false;
 772         } catch (e) {
 773                 exception_error("removeFeedIcon", e);
 774         }
 775 }
 776
 777 function uploadFeedIcon() {
 778
 779         try {
 780
 781                 var file = $("icon_file");
 782
 783                 if (file.value.length == 0) {
 784                         alert(__("Please select an image file to upload."));
 785                 } else {
 786                         if (confirm(__("Upload new icon for this feed?"))) {
 787                                 notify_progress("Uploading, please wait...", true);
 788                                 return true;
 789                         }
 790                 }
 791
 792                 return false;
 793
 794         } catch (e) {
 795                 exception_error("uploadFeedIcon", e);
 796         }
 797 }
 798
 799 function addLabel(select, callback) {
 800
 801         try {
 802
 803                 var caption = prompt(__("Please enter label caption:"), "");
 804
 805                 if (caption != undefined) {
 806
 807                         if (caption == "") {
 808                                 alert(__("Can't create label: missing caption."));
 809                                 return false;
 810                         }
 811
 812                         var query = "?op=pref-labels&method=add&caption=" +
 813                                 param_escape(caption);
 814
 815                         if (select)
 816                                 query += "&output=select";
 817
 818                         notify_progress("Loading, please wait...", true);
 819
 820                         if (inPreferences() && !select) active_tab = "labelConfig";
 821
 822                         new Ajax.Request("backend.php", {
 823                                 parameters: query,
 824                                 onComplete: function(transport) {
 825                                         if (callback) {
 826                                                 callback(transport);
 827                                         } else if (inPreferences()) {
 828                                                 updateLabelList();
 829                                         } else {
 830                                                 updateFeedList();
 831                                         }
 832                         } });
 833
 834                 }
 835
 836         } catch (e) {
 837                 exception_error("addLabel", e);
 838         }
 839 }
 840
 841 function quickAddFeed() {
 842         try {
 843                 var query = "backend.php?op=dlg&method=quickAddFeed";
 844
 845                 // overlapping widgets
 846                 if (dijit.byId("batchSubDlg")) dijit.byId("batchSubDlg").destroyRecursive();
 847                 if (dijit.byId("feedAddDlg"))   dijit.byId("feedAddDlg").destroyRecursive();
 848
 849                 var dialog = new dijit.Dialog({
 850                         id: "feedAddDlg",
 851                         title: __("Subscribe to Feed"),
 852                         style: "width: 600px",
 853                         execute: function() {
 854                                 if (this.validate()) {
 855                                         console.log(dojo.objectToQuery(this.attr('value')));
 856
 857                                         var feed_url = this.attr('value').feed;
 858
 859                                         Element.show("feed_add_spinner");
 860
 861                                         new Ajax.Request("backend.php", {
 862                                                 parameters: dojo.objectToQuery(this.attr('value')),
 863                                                 onComplete: function(transport) {
 864                                                         try {
 865
 866                                                                 var reply = JSON.parse(transport.responseText);
 867
 868                                                                 var rc = reply['result'];
 869
 870                                                                 notify('');
 871                                                                 Element.hide("feed_add_spinner");
 872
 873                                                                 console.log("GOT RC: " + rc);
 874
 875                                                                 switch (parseInt(rc['code'])) {
 876                                                                 case 1:
 877                                                                         dialog.hide();
 878                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 879
 880                                                                         updateFeedList();
 881                                                                         break;
 882                                                                 case 2:
 883                                                                         alert(__("Specified URL seems to be invalid."));
 884                                                                         break;
 885                                                                 case 3:
 886                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 887                                                                         break;
 888                                                                 case 4:
 889                                                                         /* notify_progress("Searching for feed urls...", true);
 890
 891                                                                         new Ajax.Request("backend.php", {
 892                                                                                 parameters: 'op=rpc&method=extractfeedurls&url=' + param_escape(feed_url),
 893                                                                                 onComplete: function(transport, dialog, feed_url) {
 894
 895                                                                                         notify('');
 896
 897                                                                                         var reply = JSON.parse(transport.responseText);
 898
 899                                                                                         var feeds = reply['urls'];
 900
 901                                                                                         console.log(transport.responseText);
 902
 903                                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 904
 905                                                                                         while (select.getOptions().length > 0)
 906                                                                                                 select.removeOption(0);
 907
 908                                                                                         var count = 0;
 909                                                                                         for (var feedUrl in feeds) {
 910                                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 911                                                                                                 count++;
 912                                                                                         }
 913
 914 //                                                                                      if (count > 5) count = 5;
 915 //                                                                                      select.size = count;
 916
 917                                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 918                                                                                 }
 919                                                                         });
 920                                                                         break; */
 921
 922                                                                         feeds = rc['feeds'];
 923
 924                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 925
 926                                                                         while (select.getOptions().length > 0)
 927                                                                                 select.removeOption(0);
 928
 929                                                                         var count = 0;
 930                                                                         for (var feedUrl in feeds) {
 931                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 932                                                                                 count++;
 933                                                                         }
 934
 935                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 936
 937                                                                         break;
 938                                                                 case 5:
 939                                                                         alert(__("Couldn't download the specified URL: %s").
 940                                                                                         replace("%s", rc['message']));
 941                                                                         break;
 942                                                                 case 0:
 943                                                                         alert(__("You are already subscribed to this feed."));
 944                                                                         break;
 945                                                                 }
 946
 947                                                         } catch (e) {
 948                                                                 exception_error("subscribeToFeed", e, transport);
 949                                                         }
 950
 951                                                 } });
 952
 953                                         }
 954                         },
 955                         href: query});
 956
 957                 dialog.show();
 958         } catch (e) {
 959                 exception_error("quickAddFeed", e);
 960         }
 961 }
 962
 963 function createNewRuleElement(parentNode, replaceNode) {
 964         try {
 965                 var form = document.forms["filter_new_rule_form"];
 966
 967                 form.reg_exp.value = form.reg_exp.value.replace(/(<([^>]+)>)/ig,"");
 968
 969                 var query = "backend.php?op=pref-filters&method=printrulename&rule="+
 970                         param_escape(dojo.formToJson(form));
 971
 972                 console.log(query);
 973
 974                 new Ajax.Request("backend.php", {
 975                         parameters: query,
 976                         onComplete: function (transport) {
 977                                 try {
 978                                         var li = dojo.create("li");
 979
 980                                         var cb = dojo.create("input", { type: "checkbox" }, li);
 981
 982                                         new dijit.form.CheckBox({
 983                                                 onChange: function() {
 984                                                         toggleSelectListRow2(this) },
 985                                         }, cb);
 986
 987                                         dojo.create("input", { type: "hidden",
 988                                                 name: "rule[]",
 989                                                 value: dojo.formToJson(form) }, li);
 990
 991                                         dojo.create("span", {
 992                                                 onclick: function() {
 993                                                         dijit.byId('filterEditDlg').editRule(this);
 994                                                 },
 995                                                 innerHTML: transport.responseText }, li);
 996
 997                                         if (replaceNode) {
 998                                                 parentNode.replaceChild(li, replaceNode);
 999                                         } else {
1000                                                 parentNode.appendChild(li);
1001                                         }
1002                                 } catch (e) {
1003                                         exception_error("createNewRuleElement", e);
1004                                 }
1005                 } });
1006         } catch (e) {
1007                 exception_error("createNewRuleElement", e);
1008         }
1009 }
1010
1011 function createNewActionElement(parentNode, replaceNode) {
1012         try {
1013                 var form = document.forms["filter_new_action_form"];
1014
1015                 if (form.action_id.value == 7) {
1016                         form.action_param.value = form.action_param_label.value;
1017                 }
1018
1019                 var query = "backend.php?op=pref-filters&method=printactionname&action="+
1020                         param_escape(dojo.formToJson(form));
1021
1022                 console.log(query);
1023
1024                 new Ajax.Request("backend.php", {
1025                         parameters: query,
1026                         onComplete: function (transport) {
1027                                 try {
1028                                         var li = dojo.create("li");
1029
1030                                         var cb = dojo.create("input", { type: "checkbox" }, li);
1031
1032                                         new dijit.form.CheckBox({
1033                                                 onChange: function() {
1034                                                         toggleSelectListRow2(this) },
1035                                         }, cb);
1036
1037                                         dojo.create("input", { type: "hidden",
1038                                                 name: "action[]",
1039                                                 value: dojo.formToJson(form) }, li);
1040
1041                                         dojo.create("span", {
1042                                                 onclick: function() {
1043                                                         dijit.byId('filterEditDlg').editAction(this);
1044                                                 },
1045                                                 innerHTML: transport.responseText }, li);
1046
1047                                         if (replaceNode) {
1048                                                 parentNode.replaceChild(li, replaceNode);
1049                                         } else {
1050                                                 parentNode.appendChild(li);
1051                                         }
1052
1053                                 } catch (e) {
1054                                         exception_error("createNewActionElement", e);
1055                                 }
1056                         } });
1057         } catch (e) {
1058                 exception_error("createNewActionElement", e);
1059         }
1060 }
1061
1062
1063 function addFilterRule(replaceNode, ruleStr) {
1064         try {
1065                 if (dijit.byId("filterNewRuleDlg"))
1066                         dijit.byId("filterNewRuleDlg").destroyRecursive();
1067
1068                 var query = "backend.php?op=pref-filters&method=newrule&rule=" +
1069                         param_escape(ruleStr);
1070
1071                 var rule_dlg = new dijit.Dialog({
1072                         id: "filterNewRuleDlg",
1073                         title: ruleStr ? __("Edit rule") : __("Add rule"),
1074                         style: "width: 600px",
1075                         execute: function() {
1076                                 if (this.validate()) {
1077                                         createNewRuleElement($("filterDlg_Matches"), replaceNode);
1078                                         this.hide();
1079                                 }
1080                         },
1081                         href: query});
1082
1083                 rule_dlg.show();
1084         } catch (e) {
1085                 exception_error("addFilterRule", e);
1086         }
1087 }
1088
1089 function addFilterAction(replaceNode, actionStr) {
1090         try {
1091                 if (dijit.byId("filterNewActionDlg"))
1092                         dijit.byId("filterNewActionDlg").destroyRecursive();
1093
1094                 var query = "backend.php?op=pref-filters&method=newaction&action=" +
1095                         param_escape(actionStr);
1096
1097                 var rule_dlg = new dijit.Dialog({
1098                         id: "filterNewActionDlg",
1099                         title: actionStr ? __("Edit action") : __("Add action"),
1100                         style: "width: 600px",
1101                         execute: function() {
1102                                 if (this.validate()) {
1103                                         createNewActionElement($("filterDlg_Actions"), replaceNode);
1104                                         this.hide();
1105                                 }
1106                         },
1107                         href: query});
1108
1109                 rule_dlg.show();
1110         } catch (e) {
1111                 exception_error("addFilterAction", e);
1112         }
1113 }
1114
1115 function quickAddFilter() {
1116         try {
1117                 var query = "";
1118                 if (!inPreferences()) {
1119                         query = "backend.php?op=pref-filters&method=newfilter&feed=" +
1120                                 param_escape(getActiveFeedId()) + "&is_cat=" +
1121                                 param_escape(activeFeedIsCat());
1122                 } else {
1123                         query = "backend.php?op=pref-filters&method=newfilter";
1124                 }
1125
1126                 console.log(query);
1127
1128                 if (dijit.byId("feedEditDlg"))
1129                         dijit.byId("feedEditDlg").destroyRecursive();
1130
1131                 if (dijit.byId("filterEditDlg"))
1132                         dijit.byId("filterEditDlg").destroyRecursive();
1133
1134                 dialog = new dijit.Dialog({
1135                         id: "filterEditDlg",
1136                         title: __("Create Filter"),
1137                         style: "width: 600px",
1138                         test: function() {
1139                                 var query = "backend.php?" + dojo.formToQuery("filter_new_form") + "&savemode=test";
1140
1141                                 if (dijit.byId("filterTestDlg"))
1142                                         dijit.byId("filterTestDlg").destroyRecursive();
1143
1144                                 var test_dlg = new dijit.Dialog({
1145                                         id: "filterTestDlg",
1146                                         title: "Test Filter",
1147                                         style: "width: 600px",
1148                                         href: query});
1149
1150                                 test_dlg.show();
1151                         },
1152                         selectRules: function(select) {
1153                                 $$("#filterDlg_Matches input[type=checkbox]").each(function(e) {
1154                                         e.checked = select;
1155                                         if (select)
1156                                                 e.parentNode.addClassName("Selected");
1157                                         else
1158                                                 e.parentNode.removeClassName("Selected");
1159                                 });
1160                         },
1161                         selectActions: function(select) {
1162                                 $$("#filterDlg_Actions input[type=checkbox]").each(function(e) {
1163                                         e.checked = select;
1164
1165                                         if (select)
1166                                                 e.parentNode.addClassName("Selected");
1167                                         else
1168                                                 e.parentNode.removeClassName("Selected");
1169
1170                                 });
1171                         },
1172                         editRule: function(e) {
1173                                 var li = e.parentNode;
1174                                 var rule = li.getElementsByTagName("INPUT")[1].value;
1175                                 addFilterRule(li, rule);
1176                         },
1177                         editAction: function(e) {
1178                                 var li = e.parentNode;
1179                                 var action = li.getElementsByTagName("INPUT")[1].value;
1180                                 addFilterAction(li, action);
1181                         },
1182                         addAction: function() { addFilterAction(); },
1183                         addRule: function() { addFilterRule(); },
1184                         deleteAction: function() {
1185                                 $$("#filterDlg_Actions li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1186                         },
1187                         deleteRule: function() {
1188                                 $$("#filterDlg_Matches li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1189                         },
1190                         execute: function() {
1191                                 if (this.validate()) {
1192
1193                                         var query = dojo.formToQuery("filter_new_form");
1194
1195                                         console.log(query);
1196
1197                                         new Ajax.Request("backend.php", {
1198                                                 parameters: query,
1199                                                 onComplete: function (transport) {
1200                                                         if (inPreferences()) {
1201                                                                 updateFilterList();
1202                                                         }
1203
1204                                                         dialog.hide();
1205                                         } });
1206                                 }
1207                         },
1208                         href: query});
1209
1210                 if (!inPreferences()) {
1211                         var lh = dojo.connect(dialog, "onLoad", function(){
1212                                 dojo.disconnect(lh);
1213
1214                                 var title = $("PTITLE-FULL-" + getActiveArticleId());
1215
1216                                 if (title || getActiveFeedId() || activeFeedIsCat()) {
1217                                         if (title) title = title.innerHTML;
1218
1219                                         console.log(title + " " + getActiveFeedId());
1220
1221                                         var feed_id = activeFeedIsCat() ? 'CAT:' + parseInt(getActiveFeedId()) :
1222                                                 getActiveFeedId();
1223
1224                                         var rule = { reg_exp: title, feed_id: feed_id, filter_type: 1 };
1225
1226                                         addFilterRule(null, dojo.toJson(rule));
1227                                 }
1228                         });
1229                 }
1230
1231                 dialog.show();
1232
1233         } catch (e) {
1234                 exception_error("quickAddFilter", e);
1235         }
1236 }
1237
1238 function resetPubSub(feed_id, title) {
1239
1240         var msg = __("Reset subscription? Tiny Tiny RSS will try to subscribe to the notification hub again on next feed update.").replace("%s", title);
1241
1242         if (title == undefined || confirm(msg)) {
1243                 notify_progress("Loading, please wait...");
1244
1245                 var query = "?op=pref-feeds&quiet=1&method=resetPubSub&ids=" + feed_id;
1246
1247                 new Ajax.Request("backend.php", {
1248                         parameters: query,
1249                         onComplete: function(transport) {
1250                                 dijit.byId("pubsubReset_Btn").attr('disabled', true);
1251                                 notify_info("Subscription reset.");
1252                         } });
1253         }
1254
1255         return false;
1256 }
1257
1258
1259 function unsubscribeFeed(feed_id, title) {
1260
1261         var msg = __("Unsubscribe from %s?").replace("%s", title);
1262
1263         if (title == undefined || confirm(msg)) {
1264                 notify_progress("Removing feed...");
1265
1266                 var query = "?op=pref-feeds&quiet=1&method=remove&ids=" + feed_id;
1267
1268                 new Ajax.Request("backend.php", {
1269                         parameters: query,
1270                         onComplete: function(transport) {
1271
1272                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1273
1274                                         if (inPreferences()) {
1275                                                 updateFeedList();
1276                                         } else {
1277                                                 if (feed_id == getActiveFeedId())
1278                                                         setTimeout("viewfeed(-5)", 100);
1279
1280                                                 if (feed_id < 0) updateFeedList();
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