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                         ext_info = JSON.stringify(ext_info);
  49
  50                 try {
  51                         new Ajax.Request("backend.php", {
  52                                 parameters: {op: "rpc", method: "log", logmsg: msg},
  53                                 onComplete: function (transport) {
  54                                         console.log(transport.responseText);
  55                                 } });
  56
  57                 } catch (eii) {
  58                         console.log("Exception while trying to log the error.");
  59                         console.log(eii);
  60                 }
  61
  62                 msg += "<p>"+ __("The error will be reported to the configured log destination.") +
  63                         "</p>";
  64
  65                 var content = "<div class=\"fatalError\">" +
  66                         "<pre>" + msg + "</pre>";
  67
  68                 content += "<form name=\"exceptionForm\" id=\"exceptionForm\" target=\"_blank\" "+
  69                   "action=\"http://tt-rss.org/report.php\" method=\"POST\">";
  70
  71                 content += "<textarea style=\"display : none\" name=\"message\">" + msg + "</textarea>";
  72                 content += "<textarea style=\"display : none\" name=\"params\">N/A</textarea>";
  73
  74                 if (ext_info) {
  75                         content += "<div><b>Additional information:</b></div>" +
  76                         "<textarea name=\"xinfo\" readonly=\"1\">" + ext_info + "</textarea>";
  77                 }
  78
  79                 content += "<div><b>Stack trace:</b></div>" +
  80                         "<textarea name=\"stack\" readonly=\"1\">" + e.stack + "</textarea>";
  81
  82                 content += "</form>";
  83
  84                 content += "</div>";
  85
  86                 content += "<div class='dlgButtons'>";
  87
  88                 content += "<button dojoType=\"dijit.form.Button\""+
  89                                 "onclick=\"dijit.byId('exceptionDlg').report()\">" +
  90                                 __('Report to tt-rss.org') + "</button> ";
  91                 content += "<button dojoType=\"dijit.form.Button\" "+
  92                                 "onclick=\"dijit.byId('exceptionDlg').hide()\">" +
  93                                 __('Close') + "</button>";
  94                 content += "</div>";
  95
  96                 if (dijit.byId("exceptionDlg"))
  97                         dijit.byId("exceptionDlg").destroyRecursive();
  98
  99                 var dialog = new dijit.Dialog({
 100                         id: "exceptionDlg",
 101                         title: "Unhandled exception",
 102                         style: "width: 600px",
 103                         report: function() {
 104                                 if (confirm(__("Are you sure to report this exception to tt-rss.org? The report will include information about your web browser and tt-rss configuration. Your IP will be saved in the database."))) {
 105
 106                                         document.forms['exceptionForm'].params.value = $H({
 107                                                 browserName: navigator.appName,
 108                                                 browserVersion: navigator.appVersion,
 109                                                 browserPlatform: navigator.platform,
 110                                                 browserCookies: navigator.cookieEnabled,
 111                                                 ttrssVersion: __ttrss_version,
 112                                                 initParams: JSON.stringify(init_params),
 113                                         }).toQueryString();
 114
 115                                         document.forms['exceptionForm'].submit();
 116
 117                                 }
 118                         },
 119                         content: content});
 120
 121                 dialog.show();
 122
 123         } catch (ei) {
 124                 console.log("Exception while trying to report an exception. Oh boy.");
 125                 console.log(ei);
 126                 console.log("Original exception:");
 127                 console.log(e);
 128
 129                 msg += "\n\nAdditional exception caught while trying to show the error dialog.\n\n" +  format_exception_error('exception_error', ei);
 130
 131                 try {
 132                         new Ajax.Request("backend.php", {
 133                                 parameters: {op: "rpc", method: "log", logmsg: msg},
 134                                 onComplete: function (transport) {
 135                                         console.log(transport.responseText);
 136                                 } });
 137
 138                 } catch (eii) {
 139                         console.log("Third exception while trying to log the error! Seriously?");
 140                         console.log(eii);
 141                 }
 142
 143                 msg += "\n\nThe error will be reported to the configured log destination.";
 144
 145                 alert(msg);
 146         }
 147
 148 }
 149
 150 function format_exception_error(location, e) {
 151         var msg;
 152
 153         if (e.fileName) {
 154                 var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
 155
 156                 msg = "Exception: " + e.name + ", " + e.message +
 157                         "\nFunction: " + location + "()" +
 158                         "\nLocation: " + base_fname + ":" + e.lineNumber;
 159
 160         } else if (e.description) {
 161                 msg = "Exception: " + e.description + "\nFunction: " + location + "()";
 162         } else {
 163                 msg = "Exception: " + e + "\nFunction: " + location + "()";
 164         }
 165
 166         console.error("EXCEPTION: " + msg);
 167
 168         return msg;
 169 }
 170
 171 function param_escape(arg) {
 172         if (typeof encodeURIComponent != 'undefined')
 173                 return encodeURIComponent(arg);
 174         else
 175                 return escape(arg);
 176 }
 177
 178 function param_unescape(arg) {
 179         if (typeof decodeURIComponent != 'undefined')
 180                 return decodeURIComponent(arg);
 181         else
 182                 return unescape(arg);
 183 }
 184
 185 function notify_real(msg, no_hide, n_type) {
 186
 187         var n = $("notify");
 188
 189         if (!n) return;
 190
 191         if (notify_hide_timerid) {
 192                 window.clearTimeout(notify_hide_timerid);
 193         }
 194
 195         if (msg == "") {
 196                 if (n.hasClassName("visible")) {
 197                         notify_hide_timerid = window.setTimeout(function() {
 198                                 n.removeClassName("visible") }, 0);
 199                 }
 200                 return;
 201         }
 202
 203         /* types:
 204
 205                 1 - generic
 206                 2 - progress
 207                 3 - error
 208                 4 - info
 209
 210         */
 211
 212         msg = "<span class=\"msg\"> " + __(msg) + "</span>";
 213
 214         if (n_type == 2) {
 215                 n.className = "notify notify_progress visible";
 216                 msg = "<span><img src='images/indicator_white.gif'></span>" + msg;
 217                 no_hide = true;
 218         } else if (n_type == 3) {
 219                 n.className = "notify notify_error visible";
 220                 msg = "<span><img src='images/alert.png'></span>" + msg;
 221         } else if (n_type == 4) {
 222                 n.className = "notify notify_info visible";
 223                 msg = "<span><img src='images/information.png'></span>" + msg;
 224         } else {
 225                 n.className = "notify visible";
 226         }
 227
 228         msg += " <span><img src=\"images/cross.png\" class=\"close\" title=\"" +
 229                 __("Click to close") + "\" onclick=\"notify('')\"></span>";
 230
 231 //      msg = "<img src='images/live_com_loading.gif'> " + msg;
 232
 233         n.innerHTML = msg;
 234
 235         if (!no_hide) {
 236                 notify_hide_timerid = window.setTimeout(function() {
 237                                 n.removeClassName("visible") }, 5*1000);
 238         }
 239 }
 240
 241 function notify(msg, no_hide) {
 242         notify_real(msg, no_hide, 1);
 243 }
 244
 245 function notify_progress(msg, no_hide) {
 246         notify_real(msg, no_hide, 2);
 247 }
 248
 249 function notify_error(msg, no_hide) {
 250         notify_real(msg, no_hide, 3);
 251
 252 }
 253
 254 function notify_info(msg, no_hide) {
 255         notify_real(msg, no_hide, 4);
 256 }
 257
 258 function setCookie(name, value, lifetime, path, domain, secure) {
 259
 260         var d = false;
 261
 262         if (lifetime) {
 263                 d = new Date();
 264                 d.setTime(d.getTime() + (lifetime * 1000));
 265         }
 266
 267         console.log("setCookie: " + name + " => " + value + ": " + d);
 268
 269         int_setCookie(name, value, d, path, domain, secure);
 270
 271 }
 272
 273 function int_setCookie(name, value, expires, path, domain, secure) {
 274         document.cookie= name + "=" + escape(value) +
 275                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 276                 ((path) ? "; path=" + path : "") +
 277                 ((domain) ? "; domain=" + domain : "") +
 278                 ((secure) ? "; secure" : "");
 279 }
 280
 281 function delCookie(name, path, domain) {
 282         if (getCookie(name)) {
 283                 document.cookie = name + "=" +
 284                 ((path) ? ";path=" + path : "") +
 285                 ((domain) ? ";domain=" + domain : "" ) +
 286                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 287         }
 288 }
 289
 290
 291 function getCookie(name) {
 292
 293         var dc = document.cookie;
 294         var prefix = name + "=";
 295         var begin = dc.indexOf("; " + prefix);
 296         if (begin == -1) {
 297             begin = dc.indexOf(prefix);
 298             if (begin != 0) return null;
 299         }
 300         else {
 301             begin += 2;
 302         }
 303         var end = document.cookie.indexOf(";", begin);
 304         if (end == -1) {
 305             end = dc.length;
 306         }
 307         return unescape(dc.substring(begin + prefix.length, end));
 308 }
 309
 310 function gotoPreferences() {
 311         document.location.href = "prefs.php";
 312 }
 313
 314 function gotoLogout() {
 315         document.location.href = "backend.php?op=logout";
 316 }
 317
 318 function gotoMain() {
 319         document.location.href = "index.php";
 320 }
 321
 322 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 323   * * @author Sundar Dorai-Raj
 324   * * Email: sdoraira@vt.edu
 325   * * This program is free software; you can redistribute it and/or
 326   * * modify it under the terms of the GNU General Public License
 327   * * as published by the Free Software Foundation; either version 2
 328   * * of the License, or (at your option) any later version,
 329   * * provided that any use properly credits the author.
 330   * * This program is distributed in the hope that it will be useful,
 331   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 332   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 333   * * GNU General Public License for more details at http://www.gnu.org * * */
 334
 335   var numbers=".0123456789";
 336   function isNumeric(x) {
 337     // is x a String or a character?
 338     if(x.length>1) {
 339       // remove negative sign
 340       x=Math.abs(x)+"";
 341       for(var j=0;j<x.length;j++) {
 342         // call isNumeric recursively for each character
 343         number=isNumeric(x.substring(j,j+1));
 344         if(!number) return number;
 345       }
 346       return number;
 347     }
 348     else {
 349       // if x is number return true
 350       if(numbers.indexOf(x)>=0) return true;
 351       return false;
 352     }
 353   }
 354
 355
 356 function toggleSelectRowById(sender, id) {
 357         var row = $(id);
 358         return toggleSelectRow(sender, row);
 359 }
 360
 361 function toggleSelectListRow(sender) {
 362         var row = sender.parentNode;
 363         return toggleSelectRow(sender, row);
 364 }
 365
 366 /* this is for dijit Checkbox */
 367 function toggleSelectListRow2(sender) {
 368         var row = sender.domNode.parentNode;
 369         return toggleSelectRow(sender, row);
 370 }
 371
 372 /* this is for dijit Checkbox */
 373 function toggleSelectRow2(sender, row, is_cdm) {
 374
 375         if (!row)
 376                 if (!is_cdm)
 377                         row = sender.domNode.parentNode.parentNode;
 378                 else
 379                         row = sender.domNode.parentNode.parentNode.parentNode; // oh ffs
 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
 391 function toggleSelectRow(sender, row) {
 392
 393         if (!row) row = sender.parentNode.parentNode;
 394
 395         if (sender.checked && !row.hasClassName('Selected'))
 396                 row.addClassName('Selected');
 397         else
 398                 row.removeClassName('Selected');
 399
 400         if (typeof updateSelectedPrompt != undefined)
 401                 updateSelectedPrompt();
 402 }
 403
 404 function checkboxToggleElement(elem, id) {
 405         if (elem.checked) {
 406                 Effect.Appear(id, {duration : 0.5});
 407         } else {
 408                 Effect.Fade(id, {duration : 0.5});
 409         }
 410 }
 411
 412 function dropboxSelect(e, v) {
 413         for (var i = 0; i < e.length; i++) {
 414                 if (e[i].value == v) {
 415                         e.selectedIndex = i;
 416                         break;
 417                 }
 418         }
 419 }
 420
 421 function getURLParam(param){
 422         return String(window.location.href).parseQuery()[param];
 423 }
 424
 425 function closeInfoBox(cleanup) {
 426         try {
 427                 dialog = dijit.byId("infoBox");
 428
 429                 if (dialog)     dialog.hide();
 430
 431         } catch (e) {
 432                 //exception_error("closeInfoBox", e);
 433         }
 434         return false;
 435 }
 436
 437
 438 function displayDlg(title, id, param, callback) {
 439
 440         notify_progress("Loading, please wait...", true);
 441
 442         var query = "?op=dlg&method=" +
 443                 param_escape(id) + "&param=" + param_escape(param);
 444
 445         new Ajax.Request("backend.php", {
 446                 parameters: query,
 447                 onComplete: function (transport) {
 448                         infobox_callback2(transport, title);
 449                         if (callback) callback(transport);
 450                 } });
 451
 452         return false;
 453 }
 454
 455 function infobox_callback2(transport, title) {
 456         try {
 457                 var dialog = false;
 458
 459                 if (dijit.byId("infoBox")) {
 460                         dialog = dijit.byId("infoBox");
 461                 }
 462
 463                 //console.log("infobox_callback2");
 464                 notify('');
 465
 466                 var content = transport.responseText;
 467
 468                 if (!dialog) {
 469                         dialog = new dijit.Dialog({
 470                                 title: title,
 471                                 id: 'infoBox',
 472                                 style: "width: 600px",
 473                                 onCancel: function() {
 474                                         return true;
 475                                 },
 476                                 onExecute: function() {
 477                                         return true;
 478                                 },
 479                                 onClose: function() {
 480                                         return true;
 481                                         },
 482                                 content: content});
 483                 } else {
 484                         dialog.attr('title', title);
 485                         dialog.attr('content', content);
 486                 }
 487
 488                 dialog.show();
 489
 490                 notify("");
 491         } catch (e) {
 492                 exception_error("infobox_callback2", e);
 493         }
 494 }
 495
 496 function filterCR(e, f)
 497 {
 498      var key;
 499
 500      if(window.event)
 501           key = window.event.keyCode;     //IE
 502      else
 503           key = e.which;     //firefox
 504
 505         if (key == 13) {
 506                 if (typeof f != 'undefined') {
 507                         f();
 508                         return false;
 509                 } else {
 510                         return false;
 511                 }
 512         } else {
 513                 return true;
 514         }
 515 }
 516
 517 function getInitParam(key) {
 518         return init_params[key];
 519 }
 520
 521 function setInitParam(key, value) {
 522         init_params[key] = value;
 523 }
 524
 525 function fatalError(code, msg, ext_info) {
 526         try {
 527
 528                 if (code == 6) {
 529                         window.location.href = "index.php";
 530                 } else if (code == 5) {
 531                         window.location.href = "public.php?op=dbupdate";
 532                 } else {
 533
 534                         if (msg == "") msg = "Unknown error";
 535
 536                         if (ext_info) {
 537                                 if (ext_info.responseText) {
 538                                         ext_info = ext_info.responseText;
 539                                 }
 540                         }
 541
 542                         if (ERRORS && ERRORS[code] && !msg) {
 543                                 msg = ERRORS[code];
 544                         }
 545
 546                         var content = "<div><b>Error code:</b> " + code + "</div>" +
 547                                 "<p>" + msg + "</p>";
 548
 549                         if (ext_info) {
 550                                 content = content + "<div><b>Additional information:</b></div>" +
 551                                         "<textarea style='width: 100%' readonly=\"1\">" +
 552                                         ext_info + "</textarea>";
 553                         }
 554
 555                         var dialog = new dijit.Dialog({
 556                                 title: "Fatal error",
 557                                 style: "width: 600px",
 558                                 content: content});
 559
 560                         dialog.show();
 561
 562                 }
 563
 564                 return false;
 565
 566         } catch (e) {
 567                 exception_error("fatalError", e);
 568         }
 569 }
 570
 571 function filterDlgCheckAction(sender) {
 572
 573         try {
 574
 575                 var action = sender.value;
 576
 577                 var action_param = $("filterDlg_paramBox");
 578
 579                 if (!action_param) {
 580                         console.log("filterDlgCheckAction: can't find action param box!");
 581                         return;
 582                 }
 583
 584                 // if selected action supports parameters, enable params field
 585                 if (action == 4 || action == 6 || action == 7) {
 586                         new Effect.Appear(action_param, {duration : 0.5});
 587                         if (action != 7) {
 588                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
 589                                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 590                         } else {
 591                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 592                                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 593                         }
 594                 } else {
 595                         Element.hide(action_param);
 596                 }
 597
 598         } catch (e) {
 599                 exception_error("filterDlgCheckAction", e);
 600         }
 601
 602 }
 603
 604
 605 function explainError(code) {
 606         return displayDlg(__("Error explained"), "explainError", code);
 607 }
 608
 609 function loading_set_progress(p) {
 610         try {
 611                 loading_progress += p;
 612
 613                 if (dijit.byId("loading_bar"))
 614                         dijit.byId("loading_bar").update({progress: loading_progress});
 615
 616                 if (loading_progress >= 90)
 617                         remove_splash();
 618
 619         } catch (e) {
 620                 exception_error("loading_set_progress", e);
 621         }
 622 }
 623
 624 function remove_splash() {
 625
 626         if (Element.visible("overlay")) {
 627                 console.log("about to remove splash, OMG!");
 628                 Element.hide("overlay");
 629                 console.log("removed splash!");
 630         }
 631 }
 632
 633 function transport_error_check(transport) {
 634         try {
 635                 if (transport.responseXML) {
 636                         var error = transport.responseXML.getElementsByTagName("error")[0];
 637
 638                         if (error) {
 639                                 var code = error.getAttribute("error-code");
 640                                 var msg = error.getAttribute("error-msg");
 641                                 if (code != 0) {
 642                                         fatalError(code, msg);
 643                                         return false;
 644                                 }
 645                         }
 646                 }
 647         } catch (e) {
 648                 exception_error("check_for_error_xml", e);
 649         }
 650         return true;
 651 }
 652
 653 function strip_tags(s) {
 654         return s.replace(/<\/?[^>]+(>|$)/g, "");
 655 }
 656
 657 function truncate_string(s, length) {
 658         if (!length) length = 30;
 659         var tmp = s.substring(0, length);
 660         if (s.length > length) tmp += "&hellip;";
 661         return tmp;
 662 }
 663
 664 function hotkey_prefix_timeout() {
 665         try {
 666
 667                 var date = new Date();
 668                 var ts = Math.round(date.getTime() / 1000);
 669
 670                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 671                         console.log("hotkey_prefix seems to be stuck, aborting");
 672                         hotkey_prefix_pressed = false;
 673                         hotkey_prefix = false;
 674                         Element.hide('cmdline');
 675                 }
 676
 677                 setTimeout("hotkey_prefix_timeout()", 1000);
 678
 679         } catch  (e) {
 680                 exception_error("hotkey_prefix_timeout", e);
 681         }
 682 }
 683
 684 function uploadIconHandler(rc) {
 685         try {
 686                 switch (rc) {
 687                         case 0:
 688                                 notify_info("Upload complete.");
 689                                 if (inPreferences()) {
 690                                         updateFeedList();
 691                                 } else {
 692                                         setTimeout('updateFeedList(false, false)', 50);
 693                                 }
 694                                 break;
 695                         case 1:
 696                                 notify_error("Upload failed: icon is too big.");
 697                                 break;
 698                         case 2:
 699                                 notify_error("Upload failed.");
 700                                 break;
 701                 }
 702
 703         } catch (e) {
 704                 exception_error("uploadIconHandler", e);
 705         }
 706 }
 707
 708 function removeFeedIcon(id) {
 709
 710         try {
 711
 712                 if (confirm(__("Remove stored feed icon?"))) {
 713                         var query = "backend.php?op=pref-feeds&method=removeicon&feed_id=" + param_escape(id);
 714
 715                         console.log(query);
 716
 717                         notify_progress("Removing feed icon...", true);
 718
 719                         new Ajax.Request("backend.php", {
 720                                 parameters: query,
 721                                 onComplete: function(transport) {
 722                                         notify_info("Feed icon removed.");
 723                                         if (inPreferences()) {
 724                                                 updateFeedList();
 725                                         } else {
 726                                                 setTimeout('updateFeedList(false, false)', 50);
 727                                         }
 728                                 } });
 729                 }
 730
 731                 return false;
 732         } catch (e) {
 733                 exception_error("removeFeedIcon", e);
 734         }
 735 }
 736
 737 function uploadFeedIcon() {
 738
 739         try {
 740
 741                 var file = $("icon_file");
 742
 743                 if (file.value.length == 0) {
 744                         alert(__("Please select an image file to upload."));
 745                 } else {
 746                         if (confirm(__("Upload new icon for this feed?"))) {
 747                                 notify_progress("Uploading, please wait...", true);
 748                                 return true;
 749                         }
 750                 }
 751
 752                 return false;
 753
 754         } catch (e) {
 755                 exception_error("uploadFeedIcon", e);
 756         }
 757 }
 758
 759 function addLabel(select, callback) {
 760
 761         try {
 762
 763                 var caption = prompt(__("Please enter label caption:"), "");
 764
 765                 if (caption != undefined) {
 766
 767                         if (caption == "") {
 768                                 alert(__("Can't create label: missing caption."));
 769                                 return false;
 770                         }
 771
 772                         var query = "?op=pref-labels&method=add&caption=" +
 773                                 param_escape(caption);
 774
 775                         if (select)
 776                                 query += "&output=select";
 777
 778                         notify_progress("Loading, please wait...", true);
 779
 780                         if (inPreferences() && !select) active_tab = "labelConfig";
 781
 782                         new Ajax.Request("backend.php", {
 783                                 parameters: query,
 784                                 onComplete: function(transport) {
 785                                         if (callback) {
 786                                                 callback(transport);
 787                                         } else if (inPreferences()) {
 788                                                 updateLabelList();
 789                                         } else {
 790                                                 updateFeedList();
 791                                         }
 792                         } });
 793
 794                 }
 795
 796         } catch (e) {
 797                 exception_error("addLabel", e);
 798         }
 799 }
 800
 801 function quickAddFeed() {
 802         try {
 803                 var query = "backend.php?op=feeds&method=quickAddFeed";
 804
 805                 // overlapping widgets
 806                 if (dijit.byId("batchSubDlg")) dijit.byId("batchSubDlg").destroyRecursive();
 807                 if (dijit.byId("feedAddDlg"))   dijit.byId("feedAddDlg").destroyRecursive();
 808
 809                 var dialog = new dijit.Dialog({
 810                         id: "feedAddDlg",
 811                         title: __("Subscribe to Feed"),
 812                         style: "width: 600px",
 813                         execute: function() {
 814                                 if (this.validate()) {
 815                                         console.log(dojo.objectToQuery(this.attr('value')));
 816
 817                                         var feed_url = this.attr('value').feed;
 818
 819                                         Element.show("feed_add_spinner");
 820
 821                                         new Ajax.Request("backend.php", {
 822                                                 parameters: dojo.objectToQuery(this.attr('value')),
 823                                                 onComplete: function(transport) {
 824                                                         try {
 825
 826                                                                 try {
 827                                                                         var reply = JSON.parse(transport.responseText);
 828                                                                 } catch (e) {
 829                                                                         Element.hide("feed_add_spinner");
 830                                                                         alert(__("Failed to parse output. This can indicate server timeout and/or network issues. Backend output was logged to browser console."));
 831                                                                         console.log('quickAddFeed, backend returned:' + transport.responseText);
 832                                                                         return;
 833                                                                 }
 834
 835                                                                 var rc = reply['result'];
 836
 837                                                                 notify('');
 838                                                                 Element.hide("feed_add_spinner");
 839
 840                                                                 console.log(rc);
 841
 842                                                                 switch (parseInt(rc['code'])) {
 843                                                                 case 1:
 844                                                                         dialog.hide();
 845                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 846
 847                                                                         updateFeedList();
 848                                                                         break;
 849                                                                 case 2:
 850                                                                         alert(__("Specified URL seems to be invalid."));
 851                                                                         break;
 852                                                                 case 3:
 853                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 854                                                                         break;
 855                                                                 case 4:
 856                                                                         feeds = rc['feeds'];
 857
 858                                                                         Element.show("fadd_multiple_notify");
 859
 860                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 861
 862                                                                         while (select.getOptions().length > 0)
 863                                                                                 select.removeOption(0);
 864
 865                                                                         select.addOption({value: '', label: __("Expand to select feed")});
 866
 867                                                                         var count = 0;
 868                                                                         for (var feedUrl in feeds) {
 869                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 870                                                                                 count++;
 871                                                                         }
 872
 873                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 874
 875                                                                         break;
 876                                                                 case 5:
 877                                                                         alert(__("Couldn't download the specified URL: %s").
 878                                                                                         replace("%s", rc['message']));
 879                                                                         break;
 880                                                                 case 6:
 881                                                                         alert(__("XML validation failed: %s").
 882                                                                                         replace("%s", rc['message']));
 883                                                                         break;
 884                                                                         break;
 885                                                                 case 0:
 886                                                                         alert(__("You are already subscribed to this feed."));
 887                                                                         break;
 888                                                                 }
 889
 890                                                         } catch (e) {
 891                                                                 exception_error("subscribeToFeed", e, transport);
 892                                                         }
 893
 894                                                 } });
 895
 896                                         }
 897                         },
 898                         href: query});
 899
 900                 dialog.show();
 901         } catch (e) {
 902                 exception_error("quickAddFeed", e);
 903         }
 904 }
 905
 906 function createNewRuleElement(parentNode, replaceNode) {
 907         try {
 908                 var form = document.forms["filter_new_rule_form"];
 909
 910                 form.reg_exp.value = form.reg_exp.value.replace(/(<([^>]+)>)/ig,"");
 911
 912                 var query = "backend.php?op=pref-filters&method=printrulename&rule="+
 913                         param_escape(dojo.formToJson(form));
 914
 915                 console.log(query);
 916
 917                 new Ajax.Request("backend.php", {
 918                         parameters: query,
 919                         onComplete: function (transport) {
 920                                 try {
 921                                         var li = dojo.create("li");
 922
 923                                         var cb = dojo.create("input", { type: "checkbox" }, li);
 924
 925                                         new dijit.form.CheckBox({
 926                                                 onChange: function() {
 927                                                         toggleSelectListRow2(this) },
 928                                         }, cb);
 929
 930                                         dojo.create("input", { type: "hidden",
 931                                                 name: "rule[]",
 932                                                 value: dojo.formToJson(form) }, li);
 933
 934                                         dojo.create("span", {
 935                                                 onclick: function() {
 936                                                         dijit.byId('filterEditDlg').editRule(this);
 937                                                 },
 938                                                 innerHTML: transport.responseText }, li);
 939
 940                                         if (replaceNode) {
 941                                                 parentNode.replaceChild(li, replaceNode);
 942                                         } else {
 943                                                 parentNode.appendChild(li);
 944                                         }
 945                                 } catch (e) {
 946                                         exception_error("createNewRuleElement", e);
 947                                 }
 948                 } });
 949         } catch (e) {
 950                 exception_error("createNewRuleElement", e);
 951         }
 952 }
 953
 954 function createNewActionElement(parentNode, replaceNode) {
 955         try {
 956                 var form = document.forms["filter_new_action_form"];
 957
 958                 if (form.action_id.value == 7) {
 959                         form.action_param.value = form.action_param_label.value;
 960                 }
 961
 962                 var query = "backend.php?op=pref-filters&method=printactionname&action="+
 963                         param_escape(dojo.formToJson(form));
 964
 965                 console.log(query);
 966
 967                 new Ajax.Request("backend.php", {
 968                         parameters: query,
 969                         onComplete: function (transport) {
 970                                 try {
 971                                         var li = dojo.create("li");
 972
 973                                         var cb = dojo.create("input", { type: "checkbox" }, li);
 974
 975                                         new dijit.form.CheckBox({
 976                                                 onChange: function() {
 977                                                         toggleSelectListRow2(this) },
 978                                         }, cb);
 979
 980                                         dojo.create("input", { type: "hidden",
 981                                                 name: "action[]",
 982                                                 value: dojo.formToJson(form) }, li);
 983
 984                                         dojo.create("span", {
 985                                                 onclick: function() {
 986                                                         dijit.byId('filterEditDlg').editAction(this);
 987                                                 },
 988                                                 innerHTML: transport.responseText }, li);
 989
 990                                         if (replaceNode) {
 991                                                 parentNode.replaceChild(li, replaceNode);
 992                                         } else {
 993                                                 parentNode.appendChild(li);
 994                                         }
 995
 996                                 } catch (e) {
 997                                         exception_error("createNewActionElement", e);
 998                                 }
 999                         } });
1000         } catch (e) {
1001                 exception_error("createNewActionElement", e);
1002         }
1003 }
1004
1005
1006 function addFilterRule(replaceNode, ruleStr) {
1007         try {
1008                 if (dijit.byId("filterNewRuleDlg"))
1009                         dijit.byId("filterNewRuleDlg").destroyRecursive();
1010
1011                 var query = "backend.php?op=pref-filters&method=newrule&rule=" +
1012                         param_escape(ruleStr);
1013
1014                 var rule_dlg = new dijit.Dialog({
1015                         id: "filterNewRuleDlg",
1016                         title: ruleStr ? __("Edit rule") : __("Add rule"),
1017                         style: "width: 600px",
1018                         execute: function() {
1019                                 if (this.validate()) {
1020                                         createNewRuleElement($("filterDlg_Matches"), replaceNode);
1021                                         this.hide();
1022                                 }
1023                         },
1024                         href: query});
1025
1026                 rule_dlg.show();
1027         } catch (e) {
1028                 exception_error("addFilterRule", e);
1029         }
1030 }
1031
1032 function addFilterAction(replaceNode, actionStr) {
1033         try {
1034                 if (dijit.byId("filterNewActionDlg"))
1035                         dijit.byId("filterNewActionDlg").destroyRecursive();
1036
1037                 var query = "backend.php?op=pref-filters&method=newaction&action=" +
1038                         param_escape(actionStr);
1039
1040                 var rule_dlg = new dijit.Dialog({
1041                         id: "filterNewActionDlg",
1042                         title: actionStr ? __("Edit action") : __("Add action"),
1043                         style: "width: 600px",
1044                         execute: function() {
1045                                 if (this.validate()) {
1046                                         createNewActionElement($("filterDlg_Actions"), replaceNode);
1047                                         this.hide();
1048                                 }
1049                         },
1050                         href: query});
1051
1052                 rule_dlg.show();
1053         } catch (e) {
1054                 exception_error("addFilterAction", e);
1055         }
1056 }
1057
1058 function quickAddFilter() {
1059         try {
1060                 var query = "";
1061                 if (!inPreferences()) {
1062                         query = "backend.php?op=pref-filters&method=newfilter&feed=" +
1063                                 param_escape(getActiveFeedId()) + "&is_cat=" +
1064                                 param_escape(activeFeedIsCat());
1065                 } else {
1066                         query = "backend.php?op=pref-filters&method=newfilter";
1067                 }
1068
1069                 console.log(query);
1070
1071                 if (dijit.byId("feedEditDlg"))
1072                         dijit.byId("feedEditDlg").destroyRecursive();
1073
1074                 if (dijit.byId("filterEditDlg"))
1075                         dijit.byId("filterEditDlg").destroyRecursive();
1076
1077                 dialog = new dijit.Dialog({
1078                         id: "filterEditDlg",
1079                         title: __("Create Filter"),
1080                         style: "width: 600px",
1081                         test: function() {
1082                                 var query = "backend.php?" + dojo.formToQuery("filter_new_form") + "&savemode=test";
1083
1084                                 if (dijit.byId("filterTestDlg"))
1085                                         dijit.byId("filterTestDlg").destroyRecursive();
1086
1087                                 var test_dlg = new dijit.Dialog({
1088                                         id: "filterTestDlg",
1089                                         title: "Test Filter",
1090                                         style: "width: 600px",
1091                                         href: query});
1092
1093                                 test_dlg.show();
1094                         },
1095                         selectRules: function(select) {
1096                                 $$("#filterDlg_Matches input[type=checkbox]").each(function(e) {
1097                                         e.checked = select;
1098                                         if (select)
1099                                                 e.parentNode.addClassName("Selected");
1100                                         else
1101                                                 e.parentNode.removeClassName("Selected");
1102                                 });
1103                         },
1104                         selectActions: function(select) {
1105                                 $$("#filterDlg_Actions input[type=checkbox]").each(function(e) {
1106                                         e.checked = select;
1107
1108                                         if (select)
1109                                                 e.parentNode.addClassName("Selected");
1110                                         else
1111                                                 e.parentNode.removeClassName("Selected");
1112
1113                                 });
1114                         },
1115                         editRule: function(e) {
1116                                 var li = e.parentNode;
1117                                 var rule = li.getElementsByTagName("INPUT")[1].value;
1118                                 addFilterRule(li, rule);
1119                         },
1120                         editAction: function(e) {
1121                                 var li = e.parentNode;
1122                                 var action = li.getElementsByTagName("INPUT")[1].value;
1123                                 addFilterAction(li, action);
1124                         },
1125                         addAction: function() { addFilterAction(); },
1126                         addRule: function() { addFilterRule(); },
1127                         deleteAction: function() {
1128                                 $$("#filterDlg_Actions li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1129                         },
1130                         deleteRule: function() {
1131                                 $$("#filterDlg_Matches li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1132                         },
1133                         execute: function() {
1134                                 if (this.validate()) {
1135
1136                                         var query = dojo.formToQuery("filter_new_form");
1137
1138                                         console.log(query);
1139
1140                                         new Ajax.Request("backend.php", {
1141                                                 parameters: query,
1142                                                 onComplete: function (transport) {
1143                                                         if (inPreferences()) {
1144                                                                 updateFilterList();
1145                                                         }
1146
1147                                                         dialog.hide();
1148                                         } });
1149                                 }
1150                         },
1151                         href: query});
1152
1153                 if (!inPreferences()) {
1154                         var selectedText = getSelectionText();
1155
1156                         var lh = dojo.connect(dialog, "onLoad", function(){
1157                                 dojo.disconnect(lh);
1158
1159                                 if (selectedText != "") {
1160
1161                                         var feed_id = activeFeedIsCat() ? 'CAT:' + parseInt(getActiveFeedId()) :
1162                                                 getActiveFeedId();
1163
1164                                         var rule = { reg_exp: selectedText, feed_id: feed_id, filter_type: 1 };
1165
1166                                         addFilterRule(null, dojo.toJson(rule));
1167
1168                                 } else {
1169
1170                                         var query = "op=rpc&method=getlinktitlebyid&id=" + getActiveArticleId();
1171
1172                                         new Ajax.Request("backend.php", {
1173                                         parameters: query,
1174                                         onComplete: function(transport) {
1175                                                 var reply = JSON.parse(transport.responseText);
1176
1177                                                 var title = false;
1178
1179                                                 if (reply && reply) title = reply.title;
1180
1181                                                 if (title || getActiveFeedId() || activeFeedIsCat()) {
1182
1183                                                         console.log(title + " " + getActiveFeedId());
1184
1185                                                         var feed_id = activeFeedIsCat() ? 'CAT:' + parseInt(getActiveFeedId()) :
1186                                                                 getActiveFeedId();
1187
1188                                                         var rule = { reg_exp: title, feed_id: feed_id, filter_type: 1 };
1189
1190                                                         addFilterRule(null, dojo.toJson(rule));
1191                                                 }
1192
1193                                         } });
1194
1195                                 }
1196
1197                         });
1198                 }
1199
1200                 dialog.show();
1201
1202         } catch (e) {
1203                 exception_error("quickAddFilter", e);
1204         }
1205 }
1206
1207 function resetPubSub(feed_id, title) {
1208
1209         var msg = __("Reset subscription? Tiny Tiny RSS will try to subscribe to the notification hub again on next feed update.").replace("%s", title);
1210
1211         if (title == undefined || confirm(msg)) {
1212                 notify_progress("Loading, please wait...");
1213
1214                 var query = "?op=pref-feeds&quiet=1&method=resetPubSub&ids=" + feed_id;
1215
1216                 new Ajax.Request("backend.php", {
1217                         parameters: query,
1218                         onComplete: function(transport) {
1219                                 dijit.byId("pubsubReset_Btn").attr('disabled', true);
1220                                 notify_info("Subscription reset.");
1221                         } });
1222         }
1223
1224         return false;
1225 }
1226
1227
1228 function unsubscribeFeed(feed_id, title) {
1229
1230         var msg = __("Unsubscribe from %s?").replace("%s", title);
1231
1232         if (title == undefined || confirm(msg)) {
1233                 notify_progress("Removing feed...");
1234
1235                 var query = "?op=pref-feeds&quiet=1&method=remove&ids=" + feed_id;
1236
1237                 new Ajax.Request("backend.php", {
1238                         parameters: query,
1239                         onComplete: function(transport) {
1240
1241                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1242
1243                                         if (inPreferences()) {
1244                                                 updateFeedList();
1245                                         } else {
1246                                                 if (feed_id == getActiveFeedId())
1247                                                         setTimeout("viewfeed(-5)", 100);
1248
1249                                                 if (feed_id < 0) updateFeedList();
1250                                         }
1251
1252                                 } });
1253         }
1254
1255         return false;
1256 }
1257
1258
1259 function backend_sanity_check_callback(transport) {
1260
1261         try {
1262
1263                 if (sanity_check_done) {
1264                         fatalError(11, "Sanity check request received twice. This can indicate "+
1265                       "presence of Firebug or some other disrupting extension. "+
1266                                 "Please disable it and try again.");
1267                         return;
1268                 }
1269
1270                 var reply = JSON.parse(transport.responseText);
1271
1272                 if (!reply) {
1273                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1274                         return;
1275                 }
1276
1277                 var error_code = reply['error']['code'];
1278
1279                 if (error_code && error_code != 0) {
1280                         return fatalError(error_code, reply['error']['message']);
1281                 }
1282
1283                 console.log("sanity check ok");
1284
1285                 var params = reply['init-params'];
1286
1287                 if (params) {
1288                         console.log('reading init-params...');
1289
1290                         for (k in params) {
1291                                 console.log("IP: " + k + " => " + JSON.stringify(params[k]));
1292                                 if (k == "label_base_index") _label_base_index = parseInt(params[k]);
1293                         }
1294
1295                         init_params = params;
1296
1297                         // PluginHost might not be available on non-index pages
1298                         window.PluginHost && PluginHost.run(PluginHost.HOOK_PARAMS_LOADED, init_params);
1299                 }
1300
1301                 sanity_check_done = true;
1302
1303                 init_second_stage();
1304
1305         } catch (e) {
1306                 exception_error("backend_sanity_check_callback", e, transport);
1307         }
1308 }
1309
1310 /*function has_local_storage() {
1311         try {
1312                 return 'sessionStorage' in window && window['sessionStorage'] != null;
1313         } catch (e) {
1314                 return false;
1315         }
1316 } */
1317
1318 function catSelectOnChange(elem) {
1319         try {
1320 /*              var value = elem[elem.selectedIndex].value;
1321                 var def = elem.getAttribute('default');
1322
1323                 if (value == "ADD_CAT") {
1324
1325                         if (def)
1326                                 dropboxSelect(elem, def);
1327                         else
1328                                 elem.selectedIndex = 0;
1329
1330                         quickAddCat(elem);
1331                 } */
1332
1333         } catch (e) {
1334                 exception_error("catSelectOnChange", e);
1335         }
1336 }
1337
1338 function quickAddCat(elem) {
1339         try {
1340                 var cat = prompt(__("Please enter category title:"));
1341
1342                 if (cat) {
1343
1344                         var query = "?op=rpc&method=quickAddCat&cat=" + param_escape(cat);
1345
1346                         notify_progress("Loading, please wait...", true);
1347
1348                         new Ajax.Request("backend.php", {
1349                                 parameters: query,
1350                                 onComplete: function (transport) {
1351                                         var response = transport.responseXML;
1352                                         var select = response.getElementsByTagName("select")[0];
1353                                         var options = select.getElementsByTagName("option");
1354
1355                                         dropbox_replace_options(elem, options);
1356
1357                                         notify('');
1358
1359                         } });
1360
1361                 }
1362
1363         } catch (e) {
1364                 exception_error("quickAddCat", e);
1365         }
1366 }
1367
1368 function genUrlChangeKey(feed, is_cat) {
1369
1370         try {
1371                 var ok = confirm(__("Generate new syndication address for this feed?"));
1372
1373                 if (ok) {
1374
1375                         notify_progress("Trying to change address...", true);
1376
1377                         var query = "?op=pref-feeds&method=regenFeedKey&id=" + param_escape(feed) +
1378                                 "&is_cat=" + param_escape(is_cat);
1379
1380                         new Ajax.Request("backend.php", {
1381                                 parameters: query,
1382                                 onComplete: function(transport) {
1383                                                 var reply = JSON.parse(transport.responseText);
1384                                                 var new_link = reply.link;
1385
1386                                                 var e = $('gen_feed_url');
1387
1388                                                 if (new_link) {
1389
1390                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1391                                                                 "&amp;key=" + new_link);
1392
1393                                                         e.href = e.href.replace(/\&key=.*$/,
1394                                                                 "&key=" + new_link);
1395
1396                                                         new Effect.Highlight(e);
1397
1398                                                         notify('');
1399
1400                                                 } else {
1401                                                         notify_error("Could not change feed URL.");
1402                                                 }
1403                                 } });
1404                 }
1405         } catch (e) {
1406                 exception_error("genUrlChangeKey", e);
1407         }
1408         return false;
1409 }
1410
1411 function labelSelectOnChange(elem) {
1412         try {
1413 /*              var value = elem[elem.selectedIndex].value;
1414                 var def = elem.getAttribute('default');
1415
1416                 if (value == "ADD_LABEL") {
1417
1418                         if (def)
1419                                 dropboxSelect(elem, def);
1420                         else
1421                                 elem.selectedIndex = 0;
1422
1423                         addLabel(elem, function(transport) {
1424
1425                                         try {
1426
1427                                                 var response = transport.responseXML;
1428                                                 var select = response.getElementsByTagName("select")[0];
1429                                                 var options = select.getElementsByTagName("option");
1430
1431                                                 dropbox_replace_options(elem, options);
1432
1433                                                 notify('');
1434                                         } catch (e) {
1435                                                 exception_error("addLabel", e);
1436                                         }
1437                         });
1438                 } */
1439
1440         } catch (e) {
1441                 exception_error("labelSelectOnChange", e);
1442         }
1443 }
1444
1445 function dropbox_replace_options(elem, options) {
1446
1447         try {
1448                 while (elem.hasChildNodes())
1449                         elem.removeChild(elem.firstChild);
1450
1451                 var sel_idx = -1;
1452
1453                 for (var i = 0; i < options.length; i++) {
1454                         var text = options[i].firstChild.nodeValue;
1455                         var value = options[i].getAttribute("value");
1456
1457                         if (value == undefined) value = text;
1458
1459                         var issel = options[i].getAttribute("selected") == "1";
1460
1461                         var option = new Option(text, value, issel);
1462
1463                         if (options[i].getAttribute("disabled"))
1464                                 option.setAttribute("disabled", true);
1465
1466                         elem.insert(option);
1467
1468                         if (issel) sel_idx = i;
1469                 }
1470
1471                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1472                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1473
1474         } catch (e) {
1475                 exception_error("dropbox_replace_options", e);
1476         }
1477 }
1478
1479 // mode = all, none, invert
1480 function selectTableRows(id, mode) {
1481         try {
1482                 var rows = $(id).rows;
1483
1484                 for (var i = 0; i < rows.length; i++) {
1485                         var row = rows[i];
1486                         var cb = false;
1487                         var dcb = false;
1488
1489                         if (row.id && row.className) {
1490                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1491                                 var inputs = rows[i].getElementsByTagName("input");
1492
1493                                 for (var j = 0; j < inputs.length; j++) {
1494                                         var input = inputs[j];
1495
1496                                         if (input.getAttribute("type") == "checkbox" &&
1497                                                         input.id.match(bare_id)) {
1498
1499                                                 cb = input;
1500                                                 dcb = dijit.getEnclosingWidget(cb);
1501                                                 break;
1502                                         }
1503                                 }
1504
1505                                 if (cb || dcb) {
1506                                         var issel = row.hasClassName("Selected");
1507
1508                                         if (mode == "all" && !issel) {
1509                                                 row.addClassName("Selected");
1510                                                 cb.checked = true;
1511                                                 if (dcb) dcb.set("checked", true);
1512                                         } else if (mode == "none" && issel) {
1513                                                 row.removeClassName("Selected");
1514                                                 cb.checked = false;
1515                                                 if (dcb) dcb.set("checked", false);
1516
1517                                         } else if (mode == "invert") {
1518
1519                                                 if (issel) {
1520                                                         row.removeClassName("Selected");
1521                                                         cb.checked = false;
1522                                                         if (dcb) dcb.set("checked", false);
1523                                                 } else {
1524                                                         row.addClassName("Selected");
1525                                                         cb.checked = true;
1526                                                         if (dcb) dcb.set("checked", true);
1527                                                 }
1528                                         }
1529                                 }
1530                         }
1531                 }
1532
1533         } catch (e) {
1534                 exception_error("selectTableRows", e);
1535
1536         }
1537 }
1538
1539 function getSelectedTableRowIds(id) {
1540         var rows = [];
1541
1542         try {
1543                 var elem_rows = $(id).rows;
1544
1545                 for (var i = 0; i < elem_rows.length; i++) {
1546                         if (elem_rows[i].hasClassName("Selected")) {
1547                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1548                                 rows.push(bare_id);
1549                         }
1550                 }
1551
1552         } catch (e) {
1553                 exception_error("getSelectedTableRowIds", e);
1554         }
1555
1556         return rows;
1557 }
1558
1559 function editFeed(feed, event) {
1560         try {
1561                 if (feed <= 0)
1562                         return alert(__("You can't edit this kind of feed."));
1563
1564                 var query = "backend.php?op=pref-feeds&method=editfeed&id=" +
1565                         param_escape(feed);
1566
1567                 console.log(query);
1568
1569                 if (dijit.byId("filterEditDlg"))
1570                         dijit.byId("filterEditDlg").destroyRecursive();
1571
1572                 if (dijit.byId("feedEditDlg"))
1573                         dijit.byId("feedEditDlg").destroyRecursive();
1574
1575                 dialog = new dijit.Dialog({
1576                         id: "feedEditDlg",
1577                         title: __("Edit Feed"),
1578                         style: "width: 600px",
1579                         execute: function() {
1580                                 if (this.validate()) {
1581 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1582
1583                                         notify_progress("Saving data...", true);
1584
1585                                         new Ajax.Request("backend.php", {
1586                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1587                                                 onComplete: function(transport) {
1588                                                         dialog.hide();
1589                                                         notify('');
1590                                                         updateFeedList();
1591                                         }});
1592                                 }
1593                         },
1594                         href: query});
1595
1596                 dialog.show();
1597
1598         } catch (e) {
1599                 exception_error("editFeed", e);
1600         }
1601 }
1602
1603 function feedBrowser() {
1604         try {
1605                 var query = "backend.php?op=feeds&method=feedBrowser";
1606
1607                 if (dijit.byId("feedAddDlg"))
1608                         dijit.byId("feedAddDlg").hide();
1609
1610                 if (dijit.byId("feedBrowserDlg"))
1611                         dijit.byId("feedBrowserDlg").destroyRecursive();
1612
1613                 var dialog = new dijit.Dialog({
1614                         id: "feedBrowserDlg",
1615                         title: __("More Feeds"),
1616                         style: "width: 600px",
1617                         getSelectedFeedIds: function() {
1618                                 var list = $$("#browseFeedList li[id*=FBROW]");
1619                                 var selected = new Array();
1620
1621                                 list.each(function(child) {
1622                                         var id = child.id.replace("FBROW-", "");
1623
1624                                         if (child.hasClassName('Selected')) {
1625                                                 selected.push(id);
1626                                         }
1627                                 });
1628
1629                                 return selected;
1630                         },
1631                         getSelectedFeeds: function() {
1632                                 var list = $$("#browseFeedList li.Selected");
1633                                 var selected = new Array();
1634
1635                                 list.each(function(child) {
1636                                         var title = child.getElementsBySelector("span.fb_feedTitle")[0].innerHTML;
1637                                         var url = child.getElementsBySelector("a.fb_feedUrl")[0].href;
1638
1639                                         selected.push([title,url]);
1640
1641                                 });
1642
1643                                 return selected;
1644                         },
1645
1646                         subscribe: function() {
1647                                 var mode = this.attr('value').mode;
1648                                 var selected = [];
1649
1650                                 if (mode == "1")
1651                                         selected = this.getSelectedFeeds();
1652                                 else
1653                                         selected = this.getSelectedFeedIds();
1654
1655                                 if (selected.length > 0) {
1656                                         dijit.byId("feedBrowserDlg").hide();
1657
1658                                         notify_progress("Loading, please wait...", true);
1659
1660                                         // we use dojo.toJson instead of JSON.stringify because
1661                                         // it somehow escapes everything TWICE, at least in Chrome 9
1662
1663                                         var query = "?op=rpc&method=massSubscribe&payload="+
1664                                                 param_escape(dojo.toJson(selected)) + "&mode=" + param_escape(mode);
1665
1666                                         console.log(query);
1667
1668                                         new Ajax.Request("backend.php", {
1669                                                 parameters: query,
1670                                                 onComplete: function(transport) {
1671                                                         notify('');
1672                                                         updateFeedList();
1673                                                 } });
1674
1675                                 } else {
1676                                         alert(__("No feeds are selected."));
1677                                 }
1678
1679                         },
1680                         update: function() {
1681                                 var query = dojo.objectToQuery(dialog.attr('value'));
1682
1683                                 Element.show('feed_browser_spinner');
1684
1685                                 new Ajax.Request("backend.php", {
1686                                         parameters: query,
1687                                         onComplete: function(transport) {
1688                                                 notify('');
1689
1690                                                 Element.hide('feed_browser_spinner');
1691
1692                                                 var c = $("browseFeedList");
1693
1694                                                 var reply = JSON.parse(transport.responseText);
1695
1696                                                 var r = reply['content'];
1697                                                 var mode = reply['mode'];
1698
1699                                                 if (c && r) {
1700                                                         c.innerHTML = r;
1701                                                 }
1702
1703                                                 dojo.parser.parse("browseFeedList");
1704
1705                                                 if (mode == 2) {
1706                                                         Element.show(dijit.byId('feed_archive_remove').domNode);
1707                                                 } else {
1708                                                         Element.hide(dijit.byId('feed_archive_remove').domNode);
1709                                                 }
1710
1711                                         } });
1712                         },
1713                         removeFromArchive: function() {
1714                                 var selected = this.getSelectedFeedIds();
1715
1716                                 if (selected.length > 0) {
1717
1718                                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1719
1720                                         if (confirm(pr)) {
1721                                                 Element.show('feed_browser_spinner');
1722
1723                                                 var query = "?op=rpc&method=remarchive&ids=" +
1724                                                         param_escape(selected.toString());;
1725
1726                                                 new Ajax.Request("backend.php", {
1727                                                         parameters: query,
1728                                                         onComplete: function(transport) {
1729                                                                 dialog.update();
1730                                                         } });
1731                                         }
1732                                 }
1733                         },
1734                         execute: function() {
1735                                 if (this.validate()) {
1736                                         this.subscribe();
1737                                 }
1738                         },
1739                         href: query});
1740
1741                 dialog.show();
1742
1743         } catch (e) {
1744                 exception_error("editFeed", e);
1745         }
1746 }
1747
1748 function showFeedsWithErrors() {
1749         try {
1750                 var query = "backend.php?op=pref-feeds&method=feedsWithErrors";
1751
1752                 if (dijit.byId("errorFeedsDlg"))
1753                         dijit.byId("errorFeedsDlg").destroyRecursive();
1754
1755                 dialog = new dijit.Dialog({
1756                         id: "errorFeedsDlg",
1757                         title: __("Feeds with update errors"),
1758                         style: "width: 600px",
1759                         getSelectedFeeds: function() {
1760                                 return getSelectedTableRowIds("prefErrorFeedList");
1761                         },
1762                         removeSelected: function() {
1763                                 var sel_rows = this.getSelectedFeeds();
1764
1765                                 console.log(sel_rows);
1766
1767                                 if (sel_rows.length > 0) {
1768                                         var ok = confirm(__("Remove selected feeds?"));
1769
1770                                         if (ok) {
1771                                                 notify_progress("Removing selected feeds...", true);
1772
1773                                                 var query = "?op=pref-feeds&method=remove&ids="+
1774                                                         param_escape(sel_rows.toString());
1775
1776                                                 new Ajax.Request("backend.php", {
1777                                                         parameters: query,
1778                                                         onComplete: function(transport) {
1779                                                                 notify('');
1780                                                                 dialog.hide();
1781                                                                 updateFeedList();
1782                                                         } });
1783                                         }
1784
1785                                 } else {
1786                                         alert(__("No feeds are selected."));
1787                                 }
1788                         },
1789                         execute: function() {
1790                                 if (this.validate()) {
1791                                 }
1792                         },
1793                         href: query});
1794
1795                 dialog.show();
1796
1797         } catch (e) {
1798                 exception_error("showFeedsWithErrors", e);
1799         }
1800
1801 }
1802
1803 /* new support functions for SelectByTag */
1804
1805 function get_all_tags(selObj){
1806         try {
1807                 if( !selObj ) return "";
1808
1809                 var result = "";
1810                 var len = selObj.options.length;
1811
1812                 for (var i=0; i < len; i++){
1813                         if (selObj.options[i].selected) {
1814                                 result += selObj[i].value + "%2C";   // is really a comma
1815                         }
1816                 }
1817
1818                 if (result.length > 0){
1819                         result = result.substr(0, result.length-3);  // remove trailing %2C
1820                 }
1821
1822                 return(result);
1823
1824         } catch (e) {
1825                 exception_error("get_all_tags", e);
1826         }
1827 }
1828
1829 function get_radio_checked(radioObj) {
1830         try {
1831                 if (!radioObj) return "";
1832
1833                 var len = radioObj.length;
1834
1835                 if (len == undefined){
1836                         if(radioObj.checked){
1837                                 return(radioObj.value);
1838                         } else {
1839                                 return("");
1840                         }
1841                 }
1842
1843                 for( var i=0; i < len; i++ ){
1844                         if( radioObj[i].checked ){
1845                                 return( radioObj[i].value);
1846                         }
1847                 }
1848
1849         } catch (e) {
1850                 exception_error("get_radio_checked", e);
1851         }
1852         return("");
1853 }
1854
1855 function get_timestamp() {
1856         var date = new Date();
1857         return Math.round(date.getTime() / 1000);
1858 }
1859
1860 function helpDialog(topic) {
1861         try {
1862                 var query = "backend.php?op=backend&method=help&topic=" + param_escape(topic);
1863
1864                 if (dijit.byId("helpDlg"))
1865                         dijit.byId("helpDlg").destroyRecursive();
1866
1867                 dialog = new dijit.Dialog({
1868                         id: "helpDlg",
1869                         title: __("Help"),
1870                         style: "width: 600px",
1871                         href: query,
1872                 });
1873
1874                 dialog.show();
1875
1876         } catch (e) {
1877                 exception_error("helpDialog", e);
1878         }
1879 }
1880
1881 function htmlspecialchars_decode (string, quote_style) {
1882   // http://kevin.vanzonneveld.net
1883   // +   original by: Mirek Slugen
1884   // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1885   // +   bugfixed by: Mateusz "loonquawl" Zalega
1886   // +      input by: ReverseSyntax
1887   // +      input by: Slawomir Kaniecki
1888   // +      input by: Scott Cariss
1889   // +      input by: Francois
1890   // +   bugfixed by: Onno Marsman
1891   // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1892   // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
1893   // +      input by: Ratheous
1894   // +      input by: Mailfaker (http://www.weedem.fr/)
1895   // +      reimplemented by: Brett Zamir (http://brett-zamir.me)
1896   // +    bugfixed by: Brett Zamir (http://brett-zamir.me)
1897   // *     example 1: htmlspecialchars_decode("<p>this -&gt; &quot;</p>", 'ENT_NOQUOTES');
1898   // *     returns 1: '<p>this -> &quot;</p>'
1899   // *     example 2: htmlspecialchars_decode("&amp;quot;");
1900   // *     returns 2: '&quot;'
1901   var optTemp = 0,
1902     i = 0,
1903     noquotes = false;
1904   if (typeof quote_style === 'undefined') {
1905     quote_style = 2;
1906   }
1907   string = string.toString().replace(/&lt;/g, '<').replace(/&gt;/g, '>');
1908   var OPTS = {
1909     'ENT_NOQUOTES': 0,
1910     'ENT_HTML_QUOTE_SINGLE': 1,
1911     'ENT_HTML_QUOTE_DOUBLE': 2,
1912     'ENT_COMPAT': 2,
1913     'ENT_QUOTES': 3,
1914     'ENT_IGNORE': 4
1915   };
1916   if (quote_style === 0) {
1917     noquotes = true;
1918   }
1919   if (typeof quote_style !== 'number') { // Allow for a single string or an array of string flags
1920     quote_style = [].concat(quote_style);
1921     for (i = 0; i < quote_style.length; i++) {
1922       // Resolve string input to bitwise e.g. 'PATHINFO_EXTENSION' becomes 4
1923       if (OPTS[quote_style[i]] === 0) {
1924         noquotes = true;
1925       } else if (OPTS[quote_style[i]]) {
1926         optTemp = optTemp | OPTS[quote_style[i]];
1927       }
1928     }
1929     quote_style = optTemp;
1930   }
1931   if (quote_style & OPTS.ENT_HTML_QUOTE_SINGLE) {
1932     string = string.replace(/&#0*39;/g, "'"); // PHP doesn't currently escape if more than one 0, but it should
1933     // string = string.replace(/&apos;|&#x0*27;/g, "'"); // This would also be useful here, but not a part of PHP
1934   }
1935   if (!noquotes) {
1936     string = string.replace(/&quot;/g, '"');
1937   }
1938   // Put this in last place to avoid escape being double-decoded
1939   string = string.replace(/&amp;/g, '&');
1940
1941   return string;
1942 }
1943
1944
1945 function label_to_feed_id(label) {
1946         return _label_base_index - 1 - Math.abs(label);
1947 }
1948
1949 function feed_to_label_id(feed) {
1950         return _label_base_index - 1 + Math.abs(feed);
1951 }
1952
1953 // http://stackoverflow.com/questions/6251937/how-to-get-selecteduser-highlighted-text-in-contenteditable-element-and-replac
1954
1955 function getSelectionText() {
1956         var text = "";
1957
1958         if (typeof window.getSelection != "undefined") {
1959                 var sel = window.getSelection();
1960                 if (sel.rangeCount) {
1961                         var container = document.createElement("div");
1962                         for (var i = 0, len = sel.rangeCount; i < len; ++i) {
1963                                 container.appendChild(sel.getRangeAt(i).cloneContents());
1964                         }
1965                         text = container.innerHTML;
1966                 }
1967         } else if (typeof document.selection != "undefined") {
1968                 if (document.selection.type == "Text") {
1969                         text = document.selection.createRange().textText;
1970                 }
1971         }
1972
1973         return text.stripTags();
1974 }