js/functions.js

   1 var notify_silent = false;
   2 var loading_progress = 0;
   3 var sanity_check_done = false;
   4 var init_params = {};
   5 var _label_base_index = -1024;
   6
   7 Ajax.Base.prototype.initialize = Ajax.Base.prototype.initialize.wrap(
   8         function (callOriginal, options) {
   9
  10                 if (getInitParam("csrf_token") != undefined) {
  11                         Object.extend(options, options || { });
  12
  13                         if (Object.isString(options.parameters))
  14                                 options.parameters = options.parameters.toQueryParams();
  15                         else if (Object.isHash(options.parameters))
  16                                 options.parameters = options.parameters.toObject();
  17
  18                         options.parameters["csrf_token"] = getInitParam("csrf_token");
  19                 }
  20
  21                 return callOriginal(options);
  22         }
  23 );
  24
  25 /* add method to remove element from array */
  26
  27 Array.prototype.remove = function(s) {
  28         for (var i=0; i < this.length; i++) {
  29                 if (s == this[i]) this.splice(i, 1);
  30         }
  31 };
  32
  33 /* create console.log if it doesn't exist */
  34
  35 if (!window.console) console = {};
  36 console.log = console.log || function(msg) { };
  37 console.warn = console.warn || function(msg) { };
  38 console.error = console.error || function(msg) { };
  39
  40 function exception_error(location, e, ext_info) {
  41         var msg = format_exception_error(location, e);
  42
  43         if (!ext_info) ext_info = false;
  44
  45         try {
  46
  47                 if (ext_info) {
  48                         if (ext_info.responseText) {
  49                                 ext_info = ext_info.responseText;
  50                         }
  51                 }
  52
  53                 var content = "<div class=\"fatalError\">" +
  54                         "<pre>" + msg + "</pre>";
  55
  56                 content += "<form name=\"exceptionForm\" id=\"exceptionForm\" target=\"_blank\" "+
  57                   "action=\"http://tt-rss.org/report.php\" method=\"POST\">";
  58
  59                 content += "<textarea style=\"display : none\" name=\"message\">" + msg + "</textarea>";
  60                 content += "<textarea style=\"display : none\" name=\"params\">N/A</textarea>";
  61
  62                 if (ext_info) {
  63                         content += "<div><b>Additional information:</b></div>" +
  64                         "<textarea name=\"xinfo\" readonly=\"1\">" + ext_info + "</textarea>";
  65                 }
  66
  67                 content += "<div><b>Stack trace:</b></div>" +
  68                         "<textarea name=\"stack\" readonly=\"1\">" + e.stack + "</textarea>";
  69
  70                 content += "</form>";
  71
  72                 content += "</div>";
  73
  74                 content += "<div class='dlgButtons'>";
  75
  76                 content += "<button dojoType=\"dijit.form.Button\""+
  77                                 "onclick=\"dijit.byId('exceptionDlg').report()\">" +
  78                                 __('Report to tt-rss.org') + "</button> ";
  79                 content += "<button dojoType=\"dijit.form.Button\" "+
  80                                 "onclick=\"dijit.byId('exceptionDlg').hide()\">" +
  81                                 __('Close') + "</button>";
  82                 content += "</div>";
  83
  84                 if (dijit.byId("exceptionDlg"))
  85                         dijit.byId("exceptionDlg").destroyRecursive();
  86
  87                 var dialog = new dijit.Dialog({
  88                         id: "exceptionDlg",
  89                         title: "Unhandled exception",
  90                         style: "width: 600px",
  91                         report: function() {
  92                                 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."))) {
  93
  94                                         document.forms['exceptionForm'].params.value = $H({
  95                                                 browserName: navigator.appName,
  96                                                 browserVersion: navigator.appVersion,
  97                                                 browserPlatform: navigator.platform,
  98                                                 browserCookies: navigator.cookieEnabled,
  99                                         }).toQueryString();
 100
 101                                         document.forms['exceptionForm'].submit();
 102
 103                                 }
 104                         },
 105                         content: content});
 106
 107                 dialog.show();
 108
 109         } catch (e) {
 110                 alert(msg);
 111         }
 112
 113 }
 114
 115 function format_exception_error(location, e) {
 116         var msg;
 117
 118         if (e.fileName) {
 119                 var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
 120
 121                 msg = "Exception: " + e.name + ", " + e.message +
 122                         "\nFunction: " + location + "()" +
 123                         "\nLocation: " + base_fname + ":" + e.lineNumber;
 124
 125         } else if (e.description) {
 126                 msg = "Exception: " + e.description + "\nFunction: " + location + "()";
 127         } else {
 128                 msg = "Exception: " + e + "\nFunction: " + location + "()";
 129         }
 130
 131         console.error("EXCEPTION: " + msg);
 132
 133         return msg;
 134 }
 135
 136 function param_escape(arg) {
 137         if (typeof encodeURIComponent != 'undefined')
 138                 return encodeURIComponent(arg);
 139         else
 140                 return escape(arg);
 141 }
 142
 143 function param_unescape(arg) {
 144         if (typeof decodeURIComponent != 'undefined')
 145                 return decodeURIComponent(arg);
 146         else
 147                 return unescape(arg);
 148 }
 149
 150 var notify_hide_timerid = false;
 151
 152 function hide_notify() {
 153         var n = $("notify");
 154         if (n) {
 155                 n.style.display = "none";
 156         }
 157 }
 158
 159 function notify_silent_next() {
 160         notify_silent = true;
 161 }
 162
 163 function notify_real(msg, no_hide, n_type) {
 164
 165         if (notify_silent) {
 166                 notify_silent = false;
 167                 return;
 168         }
 169
 170         var n = $("notify");
 171         var nb = $("notify_body");
 172
 173         if (!n || !nb) return;
 174
 175         if (notify_hide_timerid) {
 176                 window.clearTimeout(notify_hide_timerid);
 177         }
 178
 179         if (msg == "") {
 180                 if (n.style.display == "block") {
 181                         notify_hide_timerid = window.setTimeout("hide_notify()", 0);
 182                 }
 183                 return;
 184         } else {
 185                 n.style.display = "block";
 186         }
 187
 188         /* types:
 189
 190                 1 - generic
 191                 2 - progress
 192                 3 - error
 193                 4 - info
 194
 195         */
 196
 197         msg = __(msg);
 198
 199         if (n_type == 1) {
 200                 n.className = "notify";
 201         } else if (n_type == 2) {
 202                 n.className = "notify progress";
 203                 msg = "<img src='images/indicator_white.gif'> " + msg;
 204         } else if (n_type == 3) {
 205                 n.className = "notify error";
 206                 msg = "<img src='images/sign_excl.svg'> " + msg;
 207         } else if (n_type == 4) {
 208                 n.className = "notify info";
 209                 msg = "<img src='images/sign_info.svg'> " + msg;
 210         }
 211
 212         if (no_hide) {
 213                 msg += " <span>(<a href='#' onclick=\"notify('')\">" +
 214                         __("close") + "</a>)</span>";
 215         }
 216
 217
 218 //      msg = "<img src='images/live_com_loading.gif'> " + msg;
 219
 220         nb.innerHTML = msg;
 221
 222         if (!no_hide) {
 223                 notify_hide_timerid = window.setTimeout("hide_notify()", 3000);
 224         }
 225 }
 226
 227 function notify(msg, no_hide) {
 228         notify_real(msg, no_hide, 1);
 229 }
 230
 231 function notify_progress(msg, no_hide) {
 232         notify_real(msg, no_hide, 2);
 233 }
 234
 235 function notify_error(msg, no_hide) {
 236         notify_real(msg, no_hide, 3);
 237
 238 }
 239
 240 function notify_info(msg, no_hide) {
 241         notify_real(msg, no_hide, 4);
 242 }
 243
 244 function setCookie(name, value, lifetime, path, domain, secure) {
 245
 246         var d = false;
 247
 248         if (lifetime) {
 249                 d = new Date();
 250                 d.setTime(d.getTime() + (lifetime * 1000));
 251         }
 252
 253         console.log("setCookie: " + name + " => " + value + ": " + d);
 254
 255         int_setCookie(name, value, d, path, domain, secure);
 256
 257 }
 258
 259 function int_setCookie(name, value, expires, path, domain, secure) {
 260         document.cookie= name + "=" + escape(value) +
 261                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 262                 ((path) ? "; path=" + path : "") +
 263                 ((domain) ? "; domain=" + domain : "") +
 264                 ((secure) ? "; secure" : "");
 265 }
 266
 267 function delCookie(name, path, domain) {
 268         if (getCookie(name)) {
 269                 document.cookie = name + "=" +
 270                 ((path) ? ";path=" + path : "") +
 271                 ((domain) ? ";domain=" + domain : "" ) +
 272                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 273         }
 274 }
 275
 276
 277 function getCookie(name) {
 278
 279         var dc = document.cookie;
 280         var prefix = name + "=";
 281         var begin = dc.indexOf("; " + prefix);
 282         if (begin == -1) {
 283             begin = dc.indexOf(prefix);
 284             if (begin != 0) return null;
 285         }
 286         else {
 287             begin += 2;
 288         }
 289         var end = document.cookie.indexOf(";", begin);
 290         if (end == -1) {
 291             end = dc.length;
 292         }
 293         return unescape(dc.substring(begin + prefix.length, end));
 294 }
 295
 296 function gotoPreferences() {
 297         document.location.href = "prefs.php";
 298 }
 299
 300 function gotoLogout() {
 301         document.location.href = "backend.php?op=logout";
 302 }
 303
 304 function gotoMain() {
 305         document.location.href = "index.php";
 306 }
 307
 308 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 309   * * @author Sundar Dorai-Raj
 310   * * Email: sdoraira@vt.edu
 311   * * This program is free software; you can redistribute it and/or
 312   * * modify it under the terms of the GNU General Public License
 313   * * as published by the Free Software Foundation; either version 2
 314   * * of the License, or (at your option) any later version,
 315   * * provided that any use properly credits the author.
 316   * * This program is distributed in the hope that it will be useful,
 317   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 318   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 319   * * GNU General Public License for more details at http://www.gnu.org * * */
 320
 321   var numbers=".0123456789";
 322   function isNumeric(x) {
 323     // is x a String or a character?
 324     if(x.length>1) {
 325       // remove negative sign
 326       x=Math.abs(x)+"";
 327       for(var j=0;j<x.length;j++) {
 328         // call isNumeric recursively for each character
 329         number=isNumeric(x.substring(j,j+1));
 330         if(!number) return number;
 331       }
 332       return number;
 333     }
 334     else {
 335       // if x is number return true
 336       if(numbers.indexOf(x)>=0) return true;
 337       return false;
 338     }
 339   }
 340
 341
 342 function toggleSelectRowById(sender, id) {
 343         var row = $(id);
 344         return toggleSelectRow(sender, row);
 345 }
 346
 347 function toggleSelectListRow(sender) {
 348         var row = sender.parentNode;
 349         return toggleSelectRow(sender, row);
 350 }
 351
 352 /* this is for dijit Checkbox */
 353 function toggleSelectListRow2(sender) {
 354         var row = sender.domNode.parentNode;
 355         return toggleSelectRow(sender, row);
 356 }
 357
 358 /* this is for dijit Checkbox */
 359 function toggleSelectRow2(sender, row, is_cdm) {
 360
 361         if (!row)
 362                 if (!is_cdm)
 363                         row = sender.domNode.parentNode.parentNode;
 364                 else
 365                         row = sender.domNode.parentNode.parentNode.parentNode; // oh ffs
 366
 367         if (sender.checked && !row.hasClassName('Selected'))
 368                 row.addClassName('Selected');
 369         else
 370                 row.removeClassName('Selected');
 371
 372         if (typeof updateSelectedPrompt != undefined)
 373                 updateSelectedPrompt();
 374 }
 375
 376
 377 function toggleSelectRow(sender, row) {
 378
 379         if (!row) row = sender.parentNode.parentNode;
 380
 381         if (sender.checked && !row.hasClassName('Selected'))
 382                 row.addClassName('Selected');
 383         else
 384                 row.removeClassName('Selected');
 385
 386         if (typeof updateSelectedPrompt != undefined)
 387                 updateSelectedPrompt();
 388 }
 389
 390 function checkboxToggleElement(elem, id) {
 391         if (elem.checked) {
 392                 Effect.Appear(id, {duration : 0.5});
 393         } else {
 394                 Effect.Fade(id, {duration : 0.5});
 395         }
 396 }
 397
 398 function dropboxSelect(e, v) {
 399         for (var i = 0; i < e.length; i++) {
 400                 if (e[i].value == v) {
 401                         e.selectedIndex = i;
 402                         break;
 403                 }
 404         }
 405 }
 406
 407 function getURLParam(param){
 408         return String(window.location.href).parseQuery()[param];
 409 }
 410
 411 function closeInfoBox(cleanup) {
 412         try {
 413                 dialog = dijit.byId("infoBox");
 414
 415                 if (dialog)     dialog.hide();
 416
 417         } catch (e) {
 418                 //exception_error("closeInfoBox", e);
 419         }
 420         return false;
 421 }
 422
 423
 424 function displayDlg(title, id, param, callback) {
 425
 426         notify_progress("Loading, please wait...", true);
 427
 428         var query = "?op=dlg&method=" +
 429                 param_escape(id) + "&param=" + param_escape(param);
 430
 431         new Ajax.Request("backend.php", {
 432                 parameters: query,
 433                 onComplete: function (transport) {
 434                         infobox_callback2(transport, title);
 435                         if (callback) callback(transport);
 436                 } });
 437
 438         return false;
 439 }
 440
 441 function infobox_callback2(transport, title) {
 442         try {
 443                 var dialog = false;
 444
 445                 if (dijit.byId("infoBox")) {
 446                         dialog = dijit.byId("infoBox");
 447                 }
 448
 449                 //console.log("infobox_callback2");
 450                 notify('');
 451
 452                 var content = transport.responseText;
 453
 454                 if (!dialog) {
 455                         dialog = new dijit.Dialog({
 456                                 title: title,
 457                                 id: 'infoBox',
 458                                 style: "width: 600px",
 459                                 onCancel: function() {
 460                                         return true;
 461                                 },
 462                                 onExecute: function() {
 463                                         return true;
 464                                 },
 465                                 onClose: function() {
 466                                         return true;
 467                                         },
 468                                 content: content});
 469                 } else {
 470                         dialog.attr('title', title);
 471                         dialog.attr('content', content);
 472                 }
 473
 474                 dialog.show();
 475
 476                 notify("");
 477         } catch (e) {
 478                 exception_error("infobox_callback2", e);
 479         }
 480 }
 481
 482 function filterCR(e, f)
 483 {
 484      var key;
 485
 486      if(window.event)
 487           key = window.event.keyCode;     //IE
 488      else
 489           key = e.which;     //firefox
 490
 491         if (key == 13) {
 492                 if (typeof f != 'undefined') {
 493                         f();
 494                         return false;
 495                 } else {
 496                         return false;
 497                 }
 498         } else {
 499                 return true;
 500         }
 501 }
 502
 503 function getInitParam(key) {
 504         return init_params[key];
 505 }
 506
 507 function setInitParam(key, value) {
 508         init_params[key] = value;
 509 }
 510
 511 function fatalError(code, msg, ext_info) {
 512         try {
 513
 514                 if (code == 6) {
 515                         window.location.href = "index.php";
 516                 } else if (code == 5) {
 517                         window.location.href = "public.php?op=dbupdate";
 518                 } else {
 519
 520                         if (msg == "") msg = "Unknown error";
 521
 522                         if (ext_info) {
 523                                 if (ext_info.responseText) {
 524                                         ext_info = ext_info.responseText;
 525                                 }
 526                         }
 527
 528                         if (ERRORS && ERRORS[code] && !msg) {
 529                                 msg = ERRORS[code];
 530                         }
 531
 532                         var content = "<div><b>Error code:</b> " + code + "</div>" +
 533                                 "<p>" + msg + "</p>";
 534
 535                         if (ext_info) {
 536                                 content = content + "<div><b>Additional information:</b></div>" +
 537                                         "<textarea style='width: 100%' readonly=\"1\">" +
 538                                         ext_info + "</textarea>";
 539                         }
 540
 541                         var dialog = new dijit.Dialog({
 542                                 title: "Fatal error",
 543                                 style: "width: 600px",
 544                                 content: content});
 545
 546                         dialog.show();
 547
 548                 }
 549
 550                 return false;
 551
 552         } catch (e) {
 553                 exception_error("fatalError", e);
 554         }
 555 }
 556
 557 function filterDlgCheckAction(sender) {
 558
 559         try {
 560
 561                 var action = sender.value;
 562
 563                 var action_param = $("filterDlg_paramBox");
 564
 565                 if (!action_param) {
 566                         console.log("filterDlgCheckAction: can't find action param box!");
 567                         return;
 568                 }
 569
 570                 // if selected action supports parameters, enable params field
 571                 if (action == 4 || action == 6 || action == 7) {
 572                         new Effect.Appear(action_param, {duration : 0.5});
 573                         if (action != 7) {
 574                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
 575                                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 576                         } else {
 577                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 578                                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 579                         }
 580                 } else {
 581                         Element.hide(action_param);
 582                 }
 583
 584         } catch (e) {
 585                 exception_error("filterDlgCheckAction", e);
 586         }
 587
 588 }
 589
 590
 591 function explainError(code) {
 592         return displayDlg(__("Error explained"), "explainError", code);
 593 }
 594
 595 function loading_set_progress(p) {
 596         try {
 597                 loading_progress += p;
 598
 599                 if (dijit.byId("loading_bar"))
 600                         dijit.byId("loading_bar").update({progress: loading_progress});
 601
 602                 if (loading_progress >= 90)
 603                         remove_splash();
 604
 605         } catch (e) {
 606                 exception_error("loading_set_progress", e);
 607         }
 608 }
 609
 610 function remove_splash() {
 611
 612         if (Element.visible("overlay")) {
 613                 console.log("about to remove splash, OMG!");
 614                 Element.hide("overlay");
 615                 console.log("removed splash!");
 616         }
 617 }
 618
 619 function transport_error_check(transport) {
 620         try {
 621                 if (transport.responseXML) {
 622                         var error = transport.responseXML.getElementsByTagName("error")[0];
 623
 624                         if (error) {
 625                                 var code = error.getAttribute("error-code");
 626                                 var msg = error.getAttribute("error-msg");
 627                                 if (code != 0) {
 628                                         fatalError(code, msg);
 629                                         return false;
 630                                 }
 631                         }
 632                 }
 633         } catch (e) {
 634                 exception_error("check_for_error_xml", e);
 635         }
 636         return true;
 637 }
 638
 639 function strip_tags(s) {
 640         return s.replace(/<\/?[^>]+(>|$)/g, "");
 641 }
 642
 643 function truncate_string(s, length) {
 644         if (!length) length = 30;
 645         var tmp = s.substring(0, length);
 646         if (s.length > length) tmp += "&hellip;";
 647         return tmp;
 648 }
 649
 650 function hotkey_prefix_timeout() {
 651         try {
 652
 653                 var date = new Date();
 654                 var ts = Math.round(date.getTime() / 1000);
 655
 656                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 657                         console.log("hotkey_prefix seems to be stuck, aborting");
 658                         hotkey_prefix_pressed = false;
 659                         hotkey_prefix = false;
 660                         Element.hide('cmdline');
 661                 }
 662
 663                 setTimeout("hotkey_prefix_timeout()", 1000);
 664
 665         } catch  (e) {
 666                 exception_error("hotkey_prefix_timeout", e);
 667         }
 668 }
 669
 670 function uploadIconHandler(rc) {
 671         try {
 672                 switch (rc) {
 673                         case 0:
 674                                 notify_info("Upload complete.");
 675                                 if (inPreferences()) {
 676                                         updateFeedList();
 677                                 } else {
 678                                         setTimeout('updateFeedList(false, false)', 50);
 679                                 }
 680                                 break;
 681                         case 1:
 682                                 notify_error("Upload failed: icon is too big.");
 683                                 break;
 684                         case 2:
 685                                 notify_error("Upload failed.");
 686                                 break;
 687                 }
 688
 689         } catch (e) {
 690                 exception_error("uploadIconHandler", e);
 691         }
 692 }
 693
 694 function removeFeedIcon(id) {
 695
 696         try {
 697
 698                 if (confirm(__("Remove stored feed icon?"))) {
 699                         var query = "backend.php?op=pref-feeds&method=removeicon&feed_id=" + param_escape(id);
 700
 701                         console.log(query);
 702
 703                         notify_progress("Removing feed icon...", true);
 704
 705                         new Ajax.Request("backend.php", {
 706                                 parameters: query,
 707                                 onComplete: function(transport) {
 708                                         notify_info("Feed icon removed.");
 709                                         if (inPreferences()) {
 710                                                 updateFeedList();
 711                                         } else {
 712                                                 setTimeout('updateFeedList(false, false)', 50);
 713                                         }
 714                                 } });
 715                 }
 716
 717                 return false;
 718         } catch (e) {
 719                 exception_error("removeFeedIcon", e);
 720         }
 721 }
 722
 723 function uploadFeedIcon() {
 724
 725         try {
 726
 727                 var file = $("icon_file");
 728
 729                 if (file.value.length == 0) {
 730                         alert(__("Please select an image file to upload."));
 731                 } else {
 732                         if (confirm(__("Upload new icon for this feed?"))) {
 733                                 notify_progress("Uploading, please wait...", true);
 734                                 return true;
 735                         }
 736                 }
 737
 738                 return false;
 739
 740         } catch (e) {
 741                 exception_error("uploadFeedIcon", e);
 742         }
 743 }
 744
 745 function addLabel(select, callback) {
 746
 747         try {
 748
 749                 var caption = prompt(__("Please enter label caption:"), "");
 750
 751                 if (caption != undefined) {
 752
 753                         if (caption == "") {
 754                                 alert(__("Can't create label: missing caption."));
 755                                 return false;
 756                         }
 757
 758                         var query = "?op=pref-labels&method=add&caption=" +
 759                                 param_escape(caption);
 760
 761                         if (select)
 762                                 query += "&output=select";
 763
 764                         notify_progress("Loading, please wait...", true);
 765
 766                         if (inPreferences() && !select) active_tab = "labelConfig";
 767
 768                         new Ajax.Request("backend.php", {
 769                                 parameters: query,
 770                                 onComplete: function(transport) {
 771                                         if (callback) {
 772                                                 callback(transport);
 773                                         } else if (inPreferences()) {
 774                                                 updateLabelList();
 775                                         } else {
 776                                                 updateFeedList();
 777                                         }
 778                         } });
 779
 780                 }
 781
 782         } catch (e) {
 783                 exception_error("addLabel", e);
 784         }
 785 }
 786
 787 function quickAddFeed() {
 788         try {
 789                 var query = "backend.php?op=feeds&method=quickAddFeed";
 790
 791                 // overlapping widgets
 792                 if (dijit.byId("batchSubDlg")) dijit.byId("batchSubDlg").destroyRecursive();
 793                 if (dijit.byId("feedAddDlg"))   dijit.byId("feedAddDlg").destroyRecursive();
 794
 795                 var dialog = new dijit.Dialog({
 796                         id: "feedAddDlg",
 797                         title: __("Subscribe to Feed"),
 798                         style: "width: 600px",
 799                         execute: function() {
 800                                 if (this.validate()) {
 801                                         console.log(dojo.objectToQuery(this.attr('value')));
 802
 803                                         var feed_url = this.attr('value').feed;
 804
 805                                         Element.show("feed_add_spinner");
 806
 807                                         new Ajax.Request("backend.php", {
 808                                                 parameters: dojo.objectToQuery(this.attr('value')),
 809                                                 onComplete: function(transport) {
 810                                                         try {
 811
 812                                                                 var reply = JSON.parse(transport.responseText);
 813
 814                                                                 var rc = reply['result'];
 815
 816                                                                 notify('');
 817                                                                 Element.hide("feed_add_spinner");
 818
 819                                                                 console.log(rc);
 820
 821                                                                 switch (parseInt(rc['code'])) {
 822                                                                 case 1:
 823                                                                         dialog.hide();
 824                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 825
 826                                                                         updateFeedList();
 827                                                                         break;
 828                                                                 case 2:
 829                                                                         alert(__("Specified URL seems to be invalid."));
 830                                                                         break;
 831                                                                 case 3:
 832                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 833                                                                         break;
 834                                                                 case 4:
 835                                                                         /* notify_progress("Searching for feed urls...", true);
 836
 837                                                                         new Ajax.Request("backend.php", {
 838                                                                                 parameters: 'op=rpc&method=extractfeedurls&url=' + param_escape(feed_url),
 839                                                                                 onComplete: function(transport, dialog, feed_url) {
 840
 841                                                                                         notify('');
 842
 843                                                                                         var reply = JSON.parse(transport.responseText);
 844
 845                                                                                         var feeds = reply['urls'];
 846
 847                                                                                         console.log(transport.responseText);
 848
 849                                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 850
 851                                                                                         while (select.getOptions().length > 0)
 852                                                                                                 select.removeOption(0);
 853
 854                                                                                         var count = 0;
 855                                                                                         for (var feedUrl in feeds) {
 856                                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 857                                                                                                 count++;
 858                                                                                         }
 859
 860 //                                                                                      if (count > 5) count = 5;
 861 //                                                                                      select.size = count;
 862
 863                                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 864                                                                                 }
 865                                                                         });
 866                                                                         break; */
 867
 868                                                                         feeds = rc['feeds'];
 869
 870                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 871
 872                                                                         while (select.getOptions().length > 0)
 873                                                                                 select.removeOption(0);
 874
 875                                                                         select.addOption({value: '', label: __("Expand to select feed")});
 876
 877                                                                         var count = 0;
 878                                                                         for (var feedUrl in feeds) {
 879                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 880                                                                                 count++;
 881                                                                         }
 882
 883                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 884
 885                                                                         break;
 886                                                                 case 5:
 887                                                                         alert(__("Couldn't download the specified URL: %s").
 888                                                                                         replace("%s", rc['message']));
 889                                                                         break;
 890                                                                 case 0:
 891                                                                         alert(__("You are already subscribed to this feed."));
 892                                                                         break;
 893                                                                 }
 894
 895                                                         } catch (e) {
 896                                                                 exception_error("subscribeToFeed", e, transport);
 897                                                         }
 898
 899                                                 } });
 900
 901                                         }
 902                         },
 903                         href: query});
 904
 905                 dialog.show();
 906         } catch (e) {
 907                 exception_error("quickAddFeed", e);
 908         }
 909 }
 910
 911 function createNewRuleElement(parentNode, replaceNode) {
 912         try {
 913                 var form = document.forms["filter_new_rule_form"];
 914
 915                 form.reg_exp.value = form.reg_exp.value.replace(/(<([^>]+)>)/ig,"");
 916
 917                 var query = "backend.php?op=pref-filters&method=printrulename&rule="+
 918                         param_escape(dojo.formToJson(form));
 919
 920                 console.log(query);
 921
 922                 new Ajax.Request("backend.php", {
 923                         parameters: query,
 924                         onComplete: function (transport) {
 925                                 try {
 926                                         var li = dojo.create("li");
 927
 928                                         var cb = dojo.create("input", { type: "checkbox" }, li);
 929
 930                                         new dijit.form.CheckBox({
 931                                                 onChange: function() {
 932                                                         toggleSelectListRow2(this) },
 933                                         }, cb);
 934
 935                                         dojo.create("input", { type: "hidden",
 936                                                 name: "rule[]",
 937                                                 value: dojo.formToJson(form) }, li);
 938
 939                                         dojo.create("span", {
 940                                                 onclick: function() {
 941                                                         dijit.byId('filterEditDlg').editRule(this);
 942                                                 },
 943                                                 innerHTML: transport.responseText }, li);
 944
 945                                         if (replaceNode) {
 946                                                 parentNode.replaceChild(li, replaceNode);
 947                                         } else {
 948                                                 parentNode.appendChild(li);
 949                                         }
 950                                 } catch (e) {
 951                                         exception_error("createNewRuleElement", e);
 952                                 }
 953                 } });
 954         } catch (e) {
 955                 exception_error("createNewRuleElement", e);
 956         }
 957 }
 958
 959 function createNewActionElement(parentNode, replaceNode) {
 960         try {
 961                 var form = document.forms["filter_new_action_form"];
 962
 963                 if (form.action_id.value == 7) {
 964                         form.action_param.value = form.action_param_label.value;
 965                 }
 966
 967                 var query = "backend.php?op=pref-filters&method=printactionname&action="+
 968                         param_escape(dojo.formToJson(form));
 969
 970                 console.log(query);
 971
 972                 new Ajax.Request("backend.php", {
 973                         parameters: query,
 974                         onComplete: function (transport) {
 975                                 try {
 976                                         var li = dojo.create("li");
 977
 978                                         var cb = dojo.create("input", { type: "checkbox" }, li);
 979
 980                                         new dijit.form.CheckBox({
 981                                                 onChange: function() {
 982                                                         toggleSelectListRow2(this) },
 983                                         }, cb);
 984
 985                                         dojo.create("input", { type: "hidden",
 986                                                 name: "action[]",
 987                                                 value: dojo.formToJson(form) }, li);
 988
 989                                         dojo.create("span", {
 990                                                 onclick: function() {
 991                                                         dijit.byId('filterEditDlg').editAction(this);
 992                                                 },
 993                                                 innerHTML: transport.responseText }, li);
 994
 995                                         if (replaceNode) {
 996                                                 parentNode.replaceChild(li, replaceNode);
 997                                         } else {
 998                                                 parentNode.appendChild(li);
 999                                         }
1000
1001                                 } catch (e) {
1002                                         exception_error("createNewActionElement", e);
1003                                 }
1004                         } });
1005         } catch (e) {
1006                 exception_error("createNewActionElement", e);
1007         }
1008 }
1009
1010
1011 function addFilterRule(replaceNode, ruleStr) {
1012         try {
1013                 if (dijit.byId("filterNewRuleDlg"))
1014                         dijit.byId("filterNewRuleDlg").destroyRecursive();
1015
1016                 var query = "backend.php?op=pref-filters&method=newrule&rule=" +
1017                         param_escape(ruleStr);
1018
1019                 var rule_dlg = new dijit.Dialog({
1020                         id: "filterNewRuleDlg",
1021                         title: ruleStr ? __("Edit rule") : __("Add rule"),
1022                         style: "width: 600px",
1023                         execute: function() {
1024                                 if (this.validate()) {
1025                                         createNewRuleElement($("filterDlg_Matches"), replaceNode);
1026                                         this.hide();
1027                                 }
1028                         },
1029                         href: query});
1030
1031                 rule_dlg.show();
1032         } catch (e) {
1033                 exception_error("addFilterRule", e);
1034         }
1035 }
1036
1037 function addFilterAction(replaceNode, actionStr) {
1038         try {
1039                 if (dijit.byId("filterNewActionDlg"))
1040                         dijit.byId("filterNewActionDlg").destroyRecursive();
1041
1042                 var query = "backend.php?op=pref-filters&method=newaction&action=" +
1043                         param_escape(actionStr);
1044
1045                 var rule_dlg = new dijit.Dialog({
1046                         id: "filterNewActionDlg",
1047                         title: actionStr ? __("Edit action") : __("Add action"),
1048                         style: "width: 600px",
1049                         execute: function() {
1050                                 if (this.validate()) {
1051                                         createNewActionElement($("filterDlg_Actions"), replaceNode);
1052                                         this.hide();
1053                                 }
1054                         },
1055                         href: query});
1056
1057                 rule_dlg.show();
1058         } catch (e) {
1059                 exception_error("addFilterAction", e);
1060         }
1061 }
1062
1063 function quickAddFilter() {
1064         try {
1065                 var query = "";
1066                 if (!inPreferences()) {
1067                         query = "backend.php?op=pref-filters&method=newfilter&feed=" +
1068                                 param_escape(getActiveFeedId()) + "&is_cat=" +
1069                                 param_escape(activeFeedIsCat());
1070                 } else {
1071                         query = "backend.php?op=pref-filters&method=newfilter";
1072                 }
1073
1074                 console.log(query);
1075
1076                 if (dijit.byId("feedEditDlg"))
1077                         dijit.byId("feedEditDlg").destroyRecursive();
1078
1079                 if (dijit.byId("filterEditDlg"))
1080                         dijit.byId("filterEditDlg").destroyRecursive();
1081
1082                 dialog = new dijit.Dialog({
1083                         id: "filterEditDlg",
1084                         title: __("Create Filter"),
1085                         style: "width: 600px",
1086                         test: function() {
1087                                 var query = "backend.php?" + dojo.formToQuery("filter_new_form") + "&savemode=test";
1088
1089                                 if (dijit.byId("filterTestDlg"))
1090                                         dijit.byId("filterTestDlg").destroyRecursive();
1091
1092                                 var test_dlg = new dijit.Dialog({
1093                                         id: "filterTestDlg",
1094                                         title: "Test Filter",
1095                                         style: "width: 600px",
1096                                         href: query});
1097
1098                                 test_dlg.show();
1099                         },
1100                         selectRules: function(select) {
1101                                 $$("#filterDlg_Matches input[type=checkbox]").each(function(e) {
1102                                         e.checked = select;
1103                                         if (select)
1104                                                 e.parentNode.addClassName("Selected");
1105                                         else
1106                                                 e.parentNode.removeClassName("Selected");
1107                                 });
1108                         },
1109                         selectActions: function(select) {
1110                                 $$("#filterDlg_Actions input[type=checkbox]").each(function(e) {
1111                                         e.checked = select;
1112
1113                                         if (select)
1114                                                 e.parentNode.addClassName("Selected");
1115                                         else
1116                                                 e.parentNode.removeClassName("Selected");
1117
1118                                 });
1119                         },
1120                         editRule: function(e) {
1121                                 var li = e.parentNode;
1122                                 var rule = li.getElementsByTagName("INPUT")[1].value;
1123                                 addFilterRule(li, rule);
1124                         },
1125                         editAction: function(e) {
1126                                 var li = e.parentNode;
1127                                 var action = li.getElementsByTagName("INPUT")[1].value;
1128                                 addFilterAction(li, action);
1129                         },
1130                         addAction: function() { addFilterAction(); },
1131                         addRule: function() { addFilterRule(); },
1132                         deleteAction: function() {
1133                                 $$("#filterDlg_Actions li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1134                         },
1135                         deleteRule: function() {
1136                                 $$("#filterDlg_Matches li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1137                         },
1138                         execute: function() {
1139                                 if (this.validate()) {
1140
1141                                         var query = dojo.formToQuery("filter_new_form");
1142
1143                                         console.log(query);
1144
1145                                         new Ajax.Request("backend.php", {
1146                                                 parameters: query,
1147                                                 onComplete: function (transport) {
1148                                                         if (inPreferences()) {
1149                                                                 updateFilterList();
1150                                                         }
1151
1152                                                         dialog.hide();
1153                                         } });
1154                                 }
1155                         },
1156                         href: query});
1157
1158                 if (!inPreferences()) {
1159                         var lh = dojo.connect(dialog, "onLoad", function(){
1160                                 dojo.disconnect(lh);
1161
1162                                 var query = "op=rpc&method=getlinktitlebyid&id=" + getActiveArticleId();
1163
1164                                 new Ajax.Request("backend.php", {
1165                                 parameters: query,
1166                                 onComplete: function(transport) {
1167                                         var reply = JSON.parse(transport.responseText);
1168
1169                                         var title = false;
1170
1171                                         if (reply && reply) title = reply.title;
1172
1173                                         if (title || getActiveFeedId() || activeFeedIsCat()) {
1174
1175                                                 console.log(title + " " + getActiveFeedId());
1176
1177                                                 var feed_id = activeFeedIsCat() ? 'CAT:' + parseInt(getActiveFeedId()) :
1178                                                         getActiveFeedId();
1179
1180                                                 var rule = { reg_exp: title, feed_id: feed_id, filter_type: 1 };
1181
1182                                                 addFilterRule(null, dojo.toJson(rule));
1183                                         }
1184
1185                                 } });
1186
1187                         });
1188                 }
1189
1190                 dialog.show();
1191
1192         } catch (e) {
1193                 exception_error("quickAddFilter", e);
1194         }
1195 }
1196
1197 function resetPubSub(feed_id, title) {
1198
1199         var msg = __("Reset subscription? Tiny Tiny RSS will try to subscribe to the notification hub again on next feed update.").replace("%s", title);
1200
1201         if (title == undefined || confirm(msg)) {
1202                 notify_progress("Loading, please wait...");
1203
1204                 var query = "?op=pref-feeds&quiet=1&method=resetPubSub&ids=" + feed_id;
1205
1206                 new Ajax.Request("backend.php", {
1207                         parameters: query,
1208                         onComplete: function(transport) {
1209                                 dijit.byId("pubsubReset_Btn").attr('disabled', true);
1210                                 notify_info("Subscription reset.");
1211                         } });
1212         }
1213
1214         return false;
1215 }
1216
1217
1218 function unsubscribeFeed(feed_id, title) {
1219
1220         var msg = __("Unsubscribe from %s?").replace("%s", title);
1221
1222         if (title == undefined || confirm(msg)) {
1223                 notify_progress("Removing feed...");
1224
1225                 var query = "?op=pref-feeds&quiet=1&method=remove&ids=" + feed_id;
1226
1227                 new Ajax.Request("backend.php", {
1228                         parameters: query,
1229                         onComplete: function(transport) {
1230
1231                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1232
1233                                         if (inPreferences()) {
1234                                                 updateFeedList();
1235                                         } else {
1236                                                 if (feed_id == getActiveFeedId())
1237                                                         setTimeout("viewfeed(-5)", 100);
1238
1239                                                 if (feed_id < 0) updateFeedList();
1240                                         }
1241
1242                                 } });
1243         }
1244
1245         return false;
1246 }
1247
1248
1249 function backend_sanity_check_callback(transport) {
1250
1251         try {
1252
1253                 if (sanity_check_done) {
1254                         fatalError(11, "Sanity check request received twice. This can indicate "+
1255                       "presence of Firebug or some other disrupting extension. "+
1256                                 "Please disable it and try again.");
1257                         return;
1258                 }
1259
1260                 var reply = JSON.parse(transport.responseText);
1261
1262                 if (!reply) {
1263                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1264                         return;
1265                 }
1266
1267                 var error_code = reply['error']['code'];
1268
1269                 if (error_code && error_code != 0) {
1270                         return fatalError(error_code, reply['error']['message']);
1271                 }
1272
1273                 console.log("sanity check ok");
1274
1275                 var params = reply['init-params'];
1276
1277                 if (params) {
1278                         console.log('reading init-params...');
1279
1280                         if (params) {
1281                                 for (k in params) {
1282                                         var v = params[k];
1283                                         console.log("IP: " + k + " => " + v);
1284
1285                                         if (k == "label_base_index") _label_base_index = parseInt(v);
1286                                 }
1287                         }
1288
1289                         init_params = params;
1290                 }
1291
1292                 sanity_check_done = true;
1293
1294                 init_second_stage();
1295
1296         } catch (e) {
1297                 exception_error("backend_sanity_check_callback", e, transport);
1298         }
1299 }
1300
1301 /*function has_local_storage() {
1302         try {
1303                 return 'sessionStorage' in window && window['sessionStorage'] != null;
1304         } catch (e) {
1305                 return false;
1306         }
1307 } */
1308
1309 function catSelectOnChange(elem) {
1310         try {
1311 /*              var value = elem[elem.selectedIndex].value;
1312                 var def = elem.getAttribute('default');
1313
1314                 if (value == "ADD_CAT") {
1315
1316                         if (def)
1317                                 dropboxSelect(elem, def);
1318                         else
1319                                 elem.selectedIndex = 0;
1320
1321                         quickAddCat(elem);
1322                 } */
1323
1324         } catch (e) {
1325                 exception_error("catSelectOnChange", e);
1326         }
1327 }
1328
1329 function quickAddCat(elem) {
1330         try {
1331                 var cat = prompt(__("Please enter category title:"));
1332
1333                 if (cat) {
1334
1335                         var query = "?op=rpc&method=quickAddCat&cat=" + param_escape(cat);
1336
1337                         notify_progress("Loading, please wait...", true);
1338
1339                         new Ajax.Request("backend.php", {
1340                                 parameters: query,
1341                                 onComplete: function (transport) {
1342                                         var response = transport.responseXML;
1343                                         var select = response.getElementsByTagName("select")[0];
1344                                         var options = select.getElementsByTagName("option");
1345
1346                                         dropbox_replace_options(elem, options);
1347
1348                                         notify('');
1349
1350                         } });
1351
1352                 }
1353
1354         } catch (e) {
1355                 exception_error("quickAddCat", e);
1356         }
1357 }
1358
1359 function genUrlChangeKey(feed, is_cat) {
1360
1361         try {
1362                 var ok = confirm(__("Generate new syndication address for this feed?"));
1363
1364                 if (ok) {
1365
1366                         notify_progress("Trying to change address...", true);
1367
1368                         var query = "?op=pref-feeds&method=regenFeedKey&id=" + param_escape(feed) +
1369                                 "&is_cat=" + param_escape(is_cat);
1370
1371                         new Ajax.Request("backend.php", {
1372                                 parameters: query,
1373                                 onComplete: function(transport) {
1374                                                 var reply = JSON.parse(transport.responseText);
1375                                                 var new_link = reply.link;
1376
1377                                                 var e = $('gen_feed_url');
1378
1379                                                 if (new_link) {
1380
1381                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1382                                                                 "&amp;key=" + new_link);
1383
1384                                                         e.href = e.href.replace(/\&key=.*$/,
1385                                                                 "&key=" + new_link);
1386
1387                                                         new Effect.Highlight(e);
1388
1389                                                         notify('');
1390
1391                                                 } else {
1392                                                         notify_error("Could not change feed URL.");
1393                                                 }
1394                                 } });
1395                 }
1396         } catch (e) {
1397                 exception_error("genUrlChangeKey", e);
1398         }
1399         return false;
1400 }
1401
1402 function labelSelectOnChange(elem) {
1403         try {
1404 /*              var value = elem[elem.selectedIndex].value;
1405                 var def = elem.getAttribute('default');
1406
1407                 if (value == "ADD_LABEL") {
1408
1409                         if (def)
1410                                 dropboxSelect(elem, def);
1411                         else
1412                                 elem.selectedIndex = 0;
1413
1414                         addLabel(elem, function(transport) {
1415
1416                                         try {
1417
1418                                                 var response = transport.responseXML;
1419                                                 var select = response.getElementsByTagName("select")[0];
1420                                                 var options = select.getElementsByTagName("option");
1421
1422                                                 dropbox_replace_options(elem, options);
1423
1424                                                 notify('');
1425                                         } catch (e) {
1426                                                 exception_error("addLabel", e);
1427                                         }
1428                         });
1429                 } */
1430
1431         } catch (e) {
1432                 exception_error("labelSelectOnChange", e);
1433         }
1434 }
1435
1436 function dropbox_replace_options(elem, options) {
1437
1438         try {
1439                 while (elem.hasChildNodes())
1440                         elem.removeChild(elem.firstChild);
1441
1442                 var sel_idx = -1;
1443
1444                 for (var i = 0; i < options.length; i++) {
1445                         var text = options[i].firstChild.nodeValue;
1446                         var value = options[i].getAttribute("value");
1447
1448                         if (value == undefined) value = text;
1449
1450                         var issel = options[i].getAttribute("selected") == "1";
1451
1452                         var option = new Option(text, value, issel);
1453
1454                         if (options[i].getAttribute("disabled"))
1455                                 option.setAttribute("disabled", true);
1456
1457                         elem.insert(option);
1458
1459                         if (issel) sel_idx = i;
1460                 }
1461
1462                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1463                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1464
1465         } catch (e) {
1466                 exception_error("dropbox_replace_options", e);
1467         }
1468 }
1469
1470 // mode = all, none, invert
1471 function selectTableRows(id, mode) {
1472         try {
1473                 var rows = $(id).rows;
1474
1475                 for (var i = 0; i < rows.length; i++) {
1476                         var row = rows[i];
1477                         var cb = false;
1478                         var dcb = false;
1479
1480                         if (row.id && row.className) {
1481                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1482                                 var inputs = rows[i].getElementsByTagName("input");
1483
1484                                 for (var j = 0; j < inputs.length; j++) {
1485                                         var input = inputs[j];
1486
1487                                         if (input.getAttribute("type") == "checkbox" &&
1488                                                         input.id.match(bare_id)) {
1489
1490                                                 cb = input;
1491                                                 dcb = dijit.getEnclosingWidget(cb);
1492                                                 break;
1493                                         }
1494                                 }
1495
1496                                 if (cb || dcb) {
1497                                         var issel = row.hasClassName("Selected");
1498
1499                                         if (mode == "all" && !issel) {
1500                                                 row.addClassName("Selected");
1501                                                 cb.checked = true;
1502                                                 if (dcb) dcb.set("checked", true);
1503                                         } else if (mode == "none" && issel) {
1504                                                 row.removeClassName("Selected");
1505                                                 cb.checked = false;
1506                                                 if (dcb) dcb.set("checked", false);
1507
1508                                         } else if (mode == "invert") {
1509
1510                                                 if (issel) {
1511                                                         row.removeClassName("Selected");
1512                                                         cb.checked = false;
1513                                                         if (dcb) dcb.set("checked", false);
1514                                                 } else {
1515                                                         row.addClassName("Selected");
1516                                                         cb.checked = true;
1517                                                         if (dcb) dcb.set("checked", true);
1518                                                 }
1519                                         }
1520                                 }
1521                         }
1522                 }
1523
1524         } catch (e) {
1525                 exception_error("selectTableRows", e);
1526
1527         }
1528 }
1529
1530 function getSelectedTableRowIds(id) {
1531         var rows = [];
1532
1533         try {
1534                 var elem_rows = $(id).rows;
1535
1536                 for (var i = 0; i < elem_rows.length; i++) {
1537                         if (elem_rows[i].hasClassName("Selected")) {
1538                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1539                                 rows.push(bare_id);
1540                         }
1541                 }
1542
1543         } catch (e) {
1544                 exception_error("getSelectedTableRowIds", e);
1545         }
1546
1547         return rows;
1548 }
1549
1550 function editFeed(feed, event) {
1551         try {
1552                 if (feed <= 0)
1553                         return alert(__("You can't edit this kind of feed."));
1554
1555                 var query = "backend.php?op=pref-feeds&method=editfeed&id=" +
1556                         param_escape(feed);
1557
1558                 console.log(query);
1559
1560                 if (dijit.byId("filterEditDlg"))
1561                         dijit.byId("filterEditDlg").destroyRecursive();
1562
1563                 if (dijit.byId("feedEditDlg"))
1564                         dijit.byId("feedEditDlg").destroyRecursive();
1565
1566                 dialog = new dijit.Dialog({
1567                         id: "feedEditDlg",
1568                         title: __("Edit Feed"),
1569                         style: "width: 600px",
1570                         execute: function() {
1571                                 if (this.validate()) {
1572 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1573
1574                                         notify_progress("Saving data...", true);
1575
1576                                         new Ajax.Request("backend.php", {
1577                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1578                                                 onComplete: function(transport) {
1579                                                         dialog.hide();
1580                                                         notify('');
1581                                                         updateFeedList();
1582                                         }});
1583                                 }
1584                         },
1585                         href: query});
1586
1587                 dialog.show();
1588
1589         } catch (e) {
1590                 exception_error("editFeed", e);
1591         }
1592 }
1593
1594 function feedBrowser() {
1595         try {
1596                 var query = "backend.php?op=feeds&method=feedBrowser";
1597
1598                 if (dijit.byId("feedAddDlg"))
1599                         dijit.byId("feedAddDlg").hide();
1600
1601                 if (dijit.byId("feedBrowserDlg"))
1602                         dijit.byId("feedBrowserDlg").destroyRecursive();
1603
1604                 var dialog = new dijit.Dialog({
1605                         id: "feedBrowserDlg",
1606                         title: __("More Feeds"),
1607                         style: "width: 600px",
1608                         getSelectedFeedIds: function() {
1609                                 var list = $$("#browseFeedList li[id*=FBROW]");
1610                                 var selected = new Array();
1611
1612                                 list.each(function(child) {
1613                                         var id = child.id.replace("FBROW-", "");
1614
1615                                         if (child.hasClassName('Selected')) {
1616                                                 selected.push(id);
1617                                         }
1618                                 });
1619
1620                                 return selected;
1621                         },
1622                         getSelectedFeeds: function() {
1623                                 var list = $$("#browseFeedList li.Selected");
1624                                 var selected = new Array();
1625
1626                                 list.each(function(child) {
1627                                         var title = child.getElementsBySelector("span.fb_feedTitle")[0].innerHTML;
1628                                         var url = child.getElementsBySelector("a.fb_feedUrl")[0].href;
1629
1630                                         selected.push([title,url]);
1631
1632                                 });
1633
1634                                 return selected;
1635                         },
1636
1637                         subscribe: function() {
1638                                 var mode = this.attr('value').mode;
1639                                 var selected = [];
1640
1641                                 if (mode == "1")
1642                                         selected = this.getSelectedFeeds();
1643                                 else
1644                                         selected = this.getSelectedFeedIds();
1645
1646                                 if (selected.length > 0) {
1647                                         dijit.byId("feedBrowserDlg").hide();
1648
1649                                         notify_progress("Loading, please wait...", true);
1650
1651                                         // we use dojo.toJson instead of JSON.stringify because
1652                                         // it somehow escapes everything TWICE, at least in Chrome 9
1653
1654                                         var query = "?op=rpc&method=massSubscribe&payload="+
1655                                                 param_escape(dojo.toJson(selected)) + "&mode=" + param_escape(mode);
1656
1657                                         console.log(query);
1658
1659                                         new Ajax.Request("backend.php", {
1660                                                 parameters: query,
1661                                                 onComplete: function(transport) {
1662                                                         notify('');
1663                                                         updateFeedList();
1664                                                 } });
1665
1666                                 } else {
1667                                         alert(__("No feeds are selected."));
1668                                 }
1669
1670                         },
1671                         update: function() {
1672                                 var query = dojo.objectToQuery(dialog.attr('value'));
1673
1674                                 Element.show('feed_browser_spinner');
1675
1676                                 new Ajax.Request("backend.php", {
1677                                         parameters: query,
1678                                         onComplete: function(transport) {
1679                                                 notify('');
1680
1681                                                 Element.hide('feed_browser_spinner');
1682
1683                                                 var c = $("browseFeedList");
1684
1685                                                 var reply = JSON.parse(transport.responseText);
1686
1687                                                 var r = reply['content'];
1688                                                 var mode = reply['mode'];
1689
1690                                                 if (c && r) {
1691                                                         c.innerHTML = r;
1692                                                 }
1693
1694                                                 dojo.parser.parse("browseFeedList");
1695
1696                                                 if (mode == 2) {
1697                                                         Element.show(dijit.byId('feed_archive_remove').domNode);
1698                                                 } else {
1699                                                         Element.hide(dijit.byId('feed_archive_remove').domNode);
1700                                                 }
1701
1702                                         } });
1703                         },
1704                         removeFromArchive: function() {
1705                                 var selected = this.getSelectedFeedIds();
1706
1707                                 if (selected.length > 0) {
1708
1709                                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1710
1711                                         if (confirm(pr)) {
1712                                                 Element.show('feed_browser_spinner');
1713
1714                                                 var query = "?op=rpc&method=remarchive&ids=" +
1715                                                         param_escape(selected.toString());;
1716
1717                                                 new Ajax.Request("backend.php", {
1718                                                         parameters: query,
1719                                                         onComplete: function(transport) {
1720                                                                 dialog.update();
1721                                                         } });
1722                                         }
1723                                 }
1724                         },
1725                         execute: function() {
1726                                 if (this.validate()) {
1727                                         this.subscribe();
1728                                 }
1729                         },
1730                         href: query});
1731
1732                 dialog.show();
1733
1734         } catch (e) {
1735                 exception_error("editFeed", e);
1736         }
1737 }
1738
1739 function showFeedsWithErrors() {
1740         try {
1741                 var query = "backend.php?op=pref-feeds&method=feedsWithErrors";
1742
1743                 if (dijit.byId("errorFeedsDlg"))
1744                         dijit.byId("errorFeedsDlg").destroyRecursive();
1745
1746                 dialog = new dijit.Dialog({
1747                         id: "errorFeedsDlg",
1748                         title: __("Feeds with update errors"),
1749                         style: "width: 600px",
1750                         getSelectedFeeds: function() {
1751                                 return getSelectedTableRowIds("prefErrorFeedList");
1752                         },
1753                         removeSelected: function() {
1754                                 var sel_rows = this.getSelectedFeeds();
1755
1756                                 console.log(sel_rows);
1757
1758                                 if (sel_rows.length > 0) {
1759                                         var ok = confirm(__("Remove selected feeds?"));
1760
1761                                         if (ok) {
1762                                                 notify_progress("Removing selected feeds...", true);
1763
1764                                                 var query = "?op=pref-feeds&method=remove&ids="+
1765                                                         param_escape(sel_rows.toString());
1766
1767                                                 new Ajax.Request("backend.php", {
1768                                                         parameters: query,
1769                                                         onComplete: function(transport) {
1770                                                                 notify('');
1771                                                                 dialog.hide();
1772                                                                 updateFeedList();
1773                                                         } });
1774                                         }
1775
1776                                 } else {
1777                                         alert(__("No feeds are selected."));
1778                                 }
1779                         },
1780                         execute: function() {
1781                                 if (this.validate()) {
1782                                 }
1783                         },
1784                         href: query});
1785
1786                 dialog.show();
1787
1788         } catch (e) {
1789                 exception_error("showFeedsWithErrors", e);
1790         }
1791
1792 }
1793
1794 /* new support functions for SelectByTag */
1795
1796 function get_all_tags(selObj){
1797         try {
1798                 if( !selObj ) return "";
1799
1800                 var result = "";
1801                 var len = selObj.options.length;
1802
1803                 for (var i=0; i < len; i++){
1804                         if (selObj.options[i].selected) {
1805                                 result += selObj[i].value + "%2C";   // is really a comma
1806                         }
1807                 }
1808
1809                 if (result.length > 0){
1810                         result = result.substr(0, result.length-3);  // remove trailing %2C
1811                 }
1812
1813                 return(result);
1814
1815         } catch (e) {
1816                 exception_error("get_all_tags", e);
1817         }
1818 }
1819
1820 function get_radio_checked(radioObj) {
1821         try {
1822                 if (!radioObj) return "";
1823
1824                 var len = radioObj.length;
1825
1826                 if (len == undefined){
1827                         if(radioObj.checked){
1828                                 return(radioObj.value);
1829                         } else {
1830                                 return("");
1831                         }
1832                 }
1833
1834                 for( var i=0; i < len; i++ ){
1835                         if( radioObj[i].checked ){
1836                                 return( radioObj[i].value);
1837                         }
1838                 }
1839
1840         } catch (e) {
1841                 exception_error("get_radio_checked", e);
1842         }
1843         return("");
1844 }
1845
1846 function get_timestamp() {
1847         var date = new Date();
1848         return Math.round(date.getTime() / 1000);
1849 }
1850
1851 function helpDialog(topic) {
1852         try {
1853                 var query = "backend.php?op=backend&method=help&topic=" + param_escape(topic);
1854
1855                 if (dijit.byId("helpDlg"))
1856                         dijit.byId("helpDlg").destroyRecursive();
1857
1858                 dialog = new dijit.Dialog({
1859                         id: "helpDlg",
1860                         title: __("Help"),
1861                         style: "width: 600px",
1862                         href: query,
1863                 });
1864
1865                 dialog.show();
1866
1867         } catch (e) {
1868                 exception_error("helpDialog", e);
1869         }
1870 }
1871
1872 function htmlspecialchars_decode (string, quote_style) {
1873   // http://kevin.vanzonneveld.net
1874   // +   original by: Mirek Slugen
1875   // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1876   // +   bugfixed by: Mateusz "loonquawl" Zalega
1877   // +      input by: ReverseSyntax
1878   // +      input by: Slawomir Kaniecki
1879   // +      input by: Scott Cariss
1880   // +      input by: Francois
1881   // +   bugfixed by: Onno Marsman
1882   // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1883   // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
1884   // +      input by: Ratheous
1885   // +      input by: Mailfaker (http://www.weedem.fr/)
1886   // +      reimplemented by: Brett Zamir (http://brett-zamir.me)
1887   // +    bugfixed by: Brett Zamir (http://brett-zamir.me)
1888   // *     example 1: htmlspecialchars_decode("<p>this -&gt; &quot;</p>", 'ENT_NOQUOTES');
1889   // *     returns 1: '<p>this -> &quot;</p>'
1890   // *     example 2: htmlspecialchars_decode("&amp;quot;");
1891   // *     returns 2: '&quot;'
1892   var optTemp = 0,
1893     i = 0,
1894     noquotes = false;
1895   if (typeof quote_style === 'undefined') {
1896     quote_style = 2;
1897   }
1898   string = string.toString().replace(/&lt;/g, '<').replace(/&gt;/g, '>');
1899   var OPTS = {
1900     'ENT_NOQUOTES': 0,
1901     'ENT_HTML_QUOTE_SINGLE': 1,
1902     'ENT_HTML_QUOTE_DOUBLE': 2,
1903     'ENT_COMPAT': 2,
1904     'ENT_QUOTES': 3,
1905     'ENT_IGNORE': 4
1906   };
1907   if (quote_style === 0) {
1908     noquotes = true;
1909   }
1910   if (typeof quote_style !== 'number') { // Allow for a single string or an array of string flags
1911     quote_style = [].concat(quote_style);
1912     for (i = 0; i < quote_style.length; i++) {
1913       // Resolve string input to bitwise e.g. 'PATHINFO_EXTENSION' becomes 4
1914       if (OPTS[quote_style[i]] === 0) {
1915         noquotes = true;
1916       } else if (OPTS[quote_style[i]]) {
1917         optTemp = optTemp | OPTS[quote_style[i]];
1918       }
1919     }
1920     quote_style = optTemp;
1921   }
1922   if (quote_style & OPTS.ENT_HTML_QUOTE_SINGLE) {
1923     string = string.replace(/&#0*39;/g, "'"); // PHP doesn't currently escape if more than one 0, but it should
1924     // string = string.replace(/&apos;|&#x0*27;/g, "'"); // This would also be useful here, but not a part of PHP
1925   }
1926   if (!noquotes) {
1927     string = string.replace(/&quot;/g, '"');
1928   }
1929   // Put this in last place to avoid escape being double-decoded
1930   string = string.replace(/&amp;/g, '&');
1931
1932   return string;
1933 }
1934
1935
1936 function label_to_feed_id(label) {
1937         return _label_base_index - 1 - Math.abs(label);
1938 }
1939
1940 function feed_to_label_id(feed) {
1941         return _label_base_index - 1 + Math.abs(feed);
1942 }
1943