js/functions.js

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