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
 186 function hide_notify() {
 187         Element.hide('notify');
 188 }
 189
 190 function notify_real(msg, no_hide, n_type) {
 191
 192         var n = $("notify");
 193
 194         if (!n) return;
 195
 196         if (notify_hide_timerid) {
 197                 window.clearTimeout(notify_hide_timerid);
 198         }
 199
 200         if (msg == "") {
 201                 if (Element.visible(n)) {
 202                         notify_hide_timerid = window.setTimeout("hide_notify()", 0);
 203                 }
 204                 return;
 205         } else {
 206                 Element.show(n);
 207                 new Effect.Highlight(n);
 208         }
 209
 210         /* types:
 211
 212                 1 - generic
 213                 2 - progress
 214                 3 - error
 215                 4 - info
 216
 217         */
 218
 219         msg = "<span class=\"msg\"> " + __(msg) + "</span>";
 220
 221         if (n_type == 1) {
 222                 n.className = "notify";
 223         } else if (n_type == 2) {
 224                 n.className = "notify progress";
 225                 msg = "<span><img src='images/indicator_white.gif'></span>" + msg;
 226                 no_hide = true;
 227         } else if (n_type == 3) {
 228                 n.className = "notify error";
 229                 msg = "<span><img src='images/alert.png'></span>" + msg;
 230         } else if (n_type == 4) {
 231                 n.className = "notify info";
 232                 msg = "<span><img src='images/information.png'></span>" + msg;
 233         }
 234
 235         msg += " <span><img src=\"images/cross.png\" class=\"close\" title=\"" +
 236                 __("Click to close") + "\" onclick=\"notify('')\"></span>";
 237
 238 //      msg = "<img src='images/live_com_loading.gif'> " + msg;
 239
 240         n.innerHTML = msg;
 241
 242         if (!no_hide) {
 243                 notify_hide_timerid = window.setTimeout("hide_notify()", 5*1000);
 244         }
 245 }
 246
 247 function notify(msg, no_hide) {
 248         notify_real(msg, no_hide, 1);
 249 }
 250
 251 function notify_progress(msg, no_hide) {
 252         notify_real(msg, no_hide, 2);
 253 }
 254
 255 function notify_error(msg, no_hide) {
 256         notify_real(msg, no_hide, 3);
 257
 258 }
 259
 260 function notify_info(msg, no_hide) {
 261         notify_real(msg, no_hide, 4);
 262 }
 263
 264 function setCookie(name, value, lifetime, path, domain, secure) {
 265
 266         var d = false;
 267
 268         if (lifetime) {
 269                 d = new Date();
 270                 d.setTime(d.getTime() + (lifetime * 1000));
 271         }
 272
 273         console.log("setCookie: " + name + " => " + value + ": " + d);
 274
 275         int_setCookie(name, value, d, path, domain, secure);
 276
 277 }
 278
 279 function int_setCookie(name, value, expires, path, domain, secure) {
 280         document.cookie= name + "=" + escape(value) +
 281                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 282                 ((path) ? "; path=" + path : "") +
 283                 ((domain) ? "; domain=" + domain : "") +
 284                 ((secure) ? "; secure" : "");
 285 }
 286
 287 function delCookie(name, path, domain) {
 288         if (getCookie(name)) {
 289                 document.cookie = name + "=" +
 290                 ((path) ? ";path=" + path : "") +
 291                 ((domain) ? ";domain=" + domain : "" ) +
 292                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 293         }
 294 }
 295
 296
 297 function getCookie(name) {
 298
 299         var dc = document.cookie;
 300         var prefix = name + "=";
 301         var begin = dc.indexOf("; " + prefix);
 302         if (begin == -1) {
 303             begin = dc.indexOf(prefix);
 304             if (begin != 0) return null;
 305         }
 306         else {
 307             begin += 2;
 308         }
 309         var end = document.cookie.indexOf(";", begin);
 310         if (end == -1) {
 311             end = dc.length;
 312         }
 313         return unescape(dc.substring(begin + prefix.length, end));
 314 }
 315
 316 function gotoPreferences() {
 317         document.location.href = "prefs.php";
 318 }
 319
 320 function gotoLogout() {
 321         document.location.href = "backend.php?op=logout";
 322 }
 323
 324 function gotoMain() {
 325         document.location.href = "index.php";
 326 }
 327
 328 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 329   * * @author Sundar Dorai-Raj
 330   * * Email: sdoraira@vt.edu
 331   * * This program is free software; you can redistribute it and/or
 332   * * modify it under the terms of the GNU General Public License
 333   * * as published by the Free Software Foundation; either version 2
 334   * * of the License, or (at your option) any later version,
 335   * * provided that any use properly credits the author.
 336   * * This program is distributed in the hope that it will be useful,
 337   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 338   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 339   * * GNU General Public License for more details at http://www.gnu.org * * */
 340
 341   var numbers=".0123456789";
 342   function isNumeric(x) {
 343     // is x a String or a character?
 344     if(x.length>1) {
 345       // remove negative sign
 346       x=Math.abs(x)+"";
 347       for(var j=0;j<x.length;j++) {
 348         // call isNumeric recursively for each character
 349         number=isNumeric(x.substring(j,j+1));
 350         if(!number) return number;
 351       }
 352       return number;
 353     }
 354     else {
 355       // if x is number return true
 356       if(numbers.indexOf(x)>=0) return true;
 357       return false;
 358     }
 359   }
 360
 361
 362 function toggleSelectRowById(sender, id) {
 363         var row = $(id);
 364         return toggleSelectRow(sender, row);
 365 }
 366
 367 function toggleSelectListRow(sender) {
 368         var row = sender.parentNode;
 369         return toggleSelectRow(sender, row);
 370 }
 371
 372 /* this is for dijit Checkbox */
 373 function toggleSelectListRow2(sender) {
 374         var row = sender.domNode.parentNode;
 375         return toggleSelectRow(sender, row);
 376 }
 377
 378 /* this is for dijit Checkbox */
 379 function toggleSelectRow2(sender, row, is_cdm) {
 380
 381         if (!row)
 382                 if (!is_cdm)
 383                         row = sender.domNode.parentNode.parentNode;
 384                 else
 385                         row = sender.domNode.parentNode.parentNode.parentNode; // oh ffs
 386
 387         if (sender.checked && !row.hasClassName('Selected'))
 388                 row.addClassName('Selected');
 389         else
 390                 row.removeClassName('Selected');
 391
 392         if (typeof updateSelectedPrompt != undefined)
 393                 updateSelectedPrompt();
 394 }
 395
 396
 397 function toggleSelectRow(sender, row) {
 398
 399         if (!row) row = sender.parentNode.parentNode;
 400
 401         if (sender.checked && !row.hasClassName('Selected'))
 402                 row.addClassName('Selected');
 403         else
 404                 row.removeClassName('Selected');
 405
 406         if (typeof updateSelectedPrompt != undefined)
 407                 updateSelectedPrompt();
 408 }
 409
 410 function checkboxToggleElement(elem, id) {
 411         if (elem.checked) {
 412                 Effect.Appear(id, {duration : 0.5});
 413         } else {
 414                 Effect.Fade(id, {duration : 0.5});
 415         }
 416 }
 417
 418 function dropboxSelect(e, v) {
 419         for (var i = 0; i < e.length; i++) {
 420                 if (e[i].value == v) {
 421                         e.selectedIndex = i;
 422                         break;
 423                 }
 424         }
 425 }
 426
 427 function getURLParam(param){
 428         return String(window.location.href).parseQuery()[param];
 429 }
 430
 431 function closeInfoBox(cleanup) {
 432         try {
 433                 dialog = dijit.byId("infoBox");
 434
 435                 if (dialog)     dialog.hide();
 436
 437         } catch (e) {
 438                 //exception_error("closeInfoBox", e);
 439         }
 440         return false;
 441 }
 442
 443
 444 function displayDlg(title, id, param, callback) {
 445
 446         notify_progress("Loading, please wait...", true);
 447
 448         var query = "?op=dlg&method=" +
 449                 param_escape(id) + "&param=" + param_escape(param);
 450
 451         new Ajax.Request("backend.php", {
 452                 parameters: query,
 453                 onComplete: function (transport) {
 454                         infobox_callback2(transport, title);
 455                         if (callback) callback(transport);
 456                 } });
 457
 458         return false;
 459 }
 460
 461 function infobox_callback2(transport, title) {
 462         try {
 463                 var dialog = false;
 464
 465                 if (dijit.byId("infoBox")) {
 466                         dialog = dijit.byId("infoBox");
 467                 }
 468
 469                 //console.log("infobox_callback2");
 470                 notify('');
 471
 472                 var content = transport.responseText;
 473
 474                 if (!dialog) {
 475                         dialog = new dijit.Dialog({
 476                                 title: title,
 477                                 id: 'infoBox',
 478                                 style: "width: 600px",
 479                                 onCancel: function() {
 480                                         return true;
 481                                 },
 482                                 onExecute: function() {
 483                                         return true;
 484                                 },
 485                                 onClose: function() {
 486                                         return true;
 487                                         },
 488                                 content: content});
 489                 } else {
 490                         dialog.attr('title', title);
 491                         dialog.attr('content', content);
 492                 }
 493
 494                 dialog.show();
 495
 496                 notify("");
 497         } catch (e) {
 498                 exception_error("infobox_callback2", e);
 499         }
 500 }
 501
 502 function filterCR(e, f)
 503 {
 504      var key;
 505
 506      if(window.event)
 507           key = window.event.keyCode;     //IE
 508      else
 509           key = e.which;     //firefox
 510
 511         if (key == 13) {
 512                 if (typeof f != 'undefined') {
 513                         f();
 514                         return false;
 515                 } else {
 516                         return false;
 517                 }
 518         } else {
 519                 return true;
 520         }
 521 }
 522
 523 function getInitParam(key) {
 524         return init_params[key];
 525 }
 526
 527 function setInitParam(key, value) {
 528         init_params[key] = value;
 529 }
 530
 531 function fatalError(code, msg, ext_info) {
 532         try {
 533
 534                 if (code == 6) {
 535                         window.location.href = "index.php";
 536                 } else if (code == 5) {
 537                         window.location.href = "public.php?op=dbupdate";
 538                 } else {
 539
 540                         if (msg == "") msg = "Unknown error";
 541
 542                         if (ext_info) {
 543                                 if (ext_info.responseText) {
 544                                         ext_info = ext_info.responseText;
 545                                 }
 546                         }
 547
 548                         if (ERRORS && ERRORS[code] && !msg) {
 549                                 msg = ERRORS[code];
 550                         }
 551
 552                         var content = "<div><b>Error code:</b> " + code + "</div>" +
 553                                 "<p>" + msg + "</p>";
 554
 555                         if (ext_info) {
 556                                 content = content + "<div><b>Additional information:</b></div>" +
 557                                         "<textarea style='width: 100%' readonly=\"1\">" +
 558                                         ext_info + "</textarea>";
 559                         }
 560
 561                         var dialog = new dijit.Dialog({
 562                                 title: "Fatal error",
 563                                 style: "width: 600px",
 564                                 content: content});
 565
 566                         dialog.show();
 567
 568                 }
 569
 570                 return false;
 571
 572         } catch (e) {
 573                 exception_error("fatalError", e);
 574         }
 575 }
 576
 577 function filterDlgCheckAction(sender) {
 578
 579         try {
 580
 581                 var action = sender.value;
 582
 583                 var action_param = $("filterDlg_paramBox");
 584
 585                 if (!action_param) {
 586                         console.log("filterDlgCheckAction: can't find action param box!");
 587                         return;
 588                 }
 589
 590                 // if selected action supports parameters, enable params field
 591                 if (action == 4 || action == 6 || action == 7) {
 592                         new Effect.Appear(action_param, {duration : 0.5});
 593                         if (action != 7) {
 594                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
 595                                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 596                         } else {
 597                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 598                                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 599                         }
 600                 } else {
 601                         Element.hide(action_param);
 602                 }
 603
 604         } catch (e) {
 605                 exception_error("filterDlgCheckAction", e);
 606         }
 607
 608 }
 609
 610
 611 function explainError(code) {
 612         return displayDlg(__("Error explained"), "explainError", code);
 613 }
 614
 615 function loading_set_progress(p) {
 616         try {
 617                 loading_progress += p;
 618
 619                 if (dijit.byId("loading_bar"))
 620                         dijit.byId("loading_bar").update({progress: loading_progress});
 621
 622                 if (loading_progress >= 90)
 623                         remove_splash();
 624
 625         } catch (e) {
 626                 exception_error("loading_set_progress", e);
 627         }
 628 }
 629
 630 function remove_splash() {
 631
 632         if (Element.visible("overlay")) {
 633                 console.log("about to remove splash, OMG!");
 634                 Element.hide("overlay");
 635                 console.log("removed splash!");
 636         }
 637 }
 638
 639 function transport_error_check(transport) {
 640         try {
 641                 if (transport.responseXML) {
 642                         var error = transport.responseXML.getElementsByTagName("error")[0];
 643
 644                         if (error) {
 645                                 var code = error.getAttribute("error-code");
 646                                 var msg = error.getAttribute("error-msg");
 647                                 if (code != 0) {
 648                                         fatalError(code, msg);
 649                                         return false;
 650                                 }
 651                         }
 652                 }
 653         } catch (e) {
 654                 exception_error("check_for_error_xml", e);
 655         }
 656         return true;
 657 }
 658
 659 function strip_tags(s) {
 660         return s.replace(/<\/?[^>]+(>|$)/g, "");
 661 }
 662
 663 function truncate_string(s, length) {
 664         if (!length) length = 30;
 665         var tmp = s.substring(0, length);
 666         if (s.length > length) tmp += "&hellip;";
 667         return tmp;
 668 }
 669
 670 function hotkey_prefix_timeout() {
 671         try {
 672
 673                 var date = new Date();
 674                 var ts = Math.round(date.getTime() / 1000);
 675
 676                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 677                         console.log("hotkey_prefix seems to be stuck, aborting");
 678                         hotkey_prefix_pressed = false;
 679                         hotkey_prefix = false;
 680                         Element.hide('cmdline');
 681                 }
 682
 683                 setTimeout("hotkey_prefix_timeout()", 1000);
 684
 685         } catch  (e) {
 686                 exception_error("hotkey_prefix_timeout", e);
 687         }
 688 }
 689
 690 function uploadIconHandler(rc) {
 691         try {
 692                 switch (rc) {
 693                         case 0:
 694                                 notify_info("Upload complete.");
 695                                 if (inPreferences()) {
 696                                         updateFeedList();
 697                                 } else {
 698                                         setTimeout('updateFeedList(false, false)', 50);
 699                                 }
 700                                 break;
 701                         case 1:
 702                                 notify_error("Upload failed: icon is too big.");
 703                                 break;
 704                         case 2:
 705                                 notify_error("Upload failed.");
 706                                 break;
 707                 }
 708
 709         } catch (e) {
 710                 exception_error("uploadIconHandler", e);
 711         }
 712 }
 713
 714 function removeFeedIcon(id) {
 715
 716         try {
 717
 718                 if (confirm(__("Remove stored feed icon?"))) {
 719                         var query = "backend.php?op=pref-feeds&method=removeicon&feed_id=" + param_escape(id);
 720
 721                         console.log(query);
 722
 723                         notify_progress("Removing feed icon...", true);
 724
 725                         new Ajax.Request("backend.php", {
 726                                 parameters: query,
 727                                 onComplete: function(transport) {
 728                                         notify_info("Feed icon removed.");
 729                                         if (inPreferences()) {
 730                                                 updateFeedList();
 731                                         } else {
 732                                                 setTimeout('updateFeedList(false, false)', 50);
 733                                         }
 734                                 } });
 735                 }
 736
 737                 return false;
 738         } catch (e) {
 739                 exception_error("removeFeedIcon", e);
 740         }
 741 }
 742
 743 function uploadFeedIcon() {
 744
 745         try {
 746
 747                 var file = $("icon_file");
 748
 749                 if (file.value.length == 0) {
 750                         alert(__("Please select an image file to upload."));
 751                 } else {
 752                         if (confirm(__("Upload new icon for this feed?"))) {
 753                                 notify_progress("Uploading, please wait...", true);
 754                                 return true;
 755                         }
 756                 }
 757
 758                 return false;
 759
 760         } catch (e) {
 761                 exception_error("uploadFeedIcon", e);
 762         }
 763 }
 764
 765 function addLabel(select, callback) {
 766
 767         try {
 768
 769                 var caption = prompt(__("Please enter label caption:"), "");
 770
 771                 if (caption != undefined) {
 772
 773                         if (caption == "") {
 774                                 alert(__("Can't create label: missing caption."));
 775                                 return false;
 776                         }
 777
 778                         var query = "?op=pref-labels&method=add&caption=" +
 779                                 param_escape(caption);
 780
 781                         if (select)
 782                                 query += "&output=select";
 783
 784                         notify_progress("Loading, please wait...", true);
 785
 786                         if (inPreferences() && !select) active_tab = "labelConfig";
 787
 788                         new Ajax.Request("backend.php", {
 789                                 parameters: query,
 790                                 onComplete: function(transport) {
 791                                         if (callback) {
 792                                                 callback(transport);
 793                                         } else if (inPreferences()) {
 794                                                 updateLabelList();
 795                                         } else {
 796                                                 updateFeedList();
 797                                         }
 798                         } });
 799
 800                 }
 801
 802         } catch (e) {
 803                 exception_error("addLabel", e);
 804         }
 805 }
 806
 807 function quickAddFeed() {
 808         try {
 809                 var query = "backend.php?op=feeds&method=quickAddFeed";
 810
 811                 // overlapping widgets
 812                 if (dijit.byId("batchSubDlg")) dijit.byId("batchSubDlg").destroyRecursive();
 813                 if (dijit.byId("feedAddDlg"))   dijit.byId("feedAddDlg").destroyRecursive();
 814
 815                 var dialog = new dijit.Dialog({
 816                         id: "feedAddDlg",
 817                         title: __("Subscribe to Feed"),
 818                         style: "width: 600px",
 819                         execute: function() {
 820                                 if (this.validate()) {
 821                                         console.log(dojo.objectToQuery(this.attr('value')));
 822
 823                                         var feed_url = this.attr('value').feed;
 824
 825                                         Element.show("feed_add_spinner");
 826
 827                                         new Ajax.Request("backend.php", {
 828                                                 parameters: dojo.objectToQuery(this.attr('value')),
 829                                                 onComplete: function(transport) {
 830                                                         try {
 831
 832                                                                 try {
 833                                                                         var reply = JSON.parse(transport.responseText);
 834                                                                 } catch (e) {
 835                                                                         Element.hide("feed_add_spinner");
 836                                                                         alert(__("Failed to parse output. This can indicate server timeout and/or network issues. Backend output was logged to browser console."));
 837                                                                         console.log('quickAddFeed, backend returned:' + transport.responseText);
 838                                                                         return;
 839                                                                 }
 840
 841                                                                 var rc = reply['result'];
 842
 843                                                                 notify('');
 844                                                                 Element.hide("feed_add_spinner");
 845
 846                                                                 console.log(rc);
 847
 848                                                                 switch (parseInt(rc['code'])) {
 849                                                                 case 1:
 850                                                                         dialog.hide();
 851                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 852
 853                                                                         updateFeedList();
 854                                                                         break;
 855                                                                 case 2:
 856                                                                         alert(__("Specified URL seems to be invalid."));
 857                                                                         break;
 858                                                                 case 3:
 859                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 860                                                                         break;
 861                                                                 case 4:
 862                                                                         feeds = rc['feeds'];
 863
 864                                                                         Element.show("fadd_multiple_notify");
 865
 866                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 867
 868                                                                         while (select.getOptions().length > 0)
 869                                                                                 select.removeOption(0);
 870
 871                                                                         select.addOption({value: '', label: __("Expand to select feed")});
 872
 873                                                                         var count = 0;
 874                                                                         for (var feedUrl in feeds) {
 875                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 876                                                                                 count++;
 877                                                                         }
 878
 879                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 880
 881                                                                         break;
 882                                                                 case 5:
 883                                                                         alert(__("Couldn't download the specified URL: %s").
 884                                                                                         replace("%s", rc['message']));
 885                                                                         break;
 886                                                                 case 6:
 887                                                                         alert(__("XML validation failed: %s").
 888                                                                                         replace("%s", rc['message']));
 889                                                                         break;
 890                                                                         break;
 891                                                                 case 0:
 892                                                                         alert(__("You are already subscribed to this feed."));
 893                                                                         break;
 894                                                                 }
 895
 896                                                         } catch (e) {
 897                                                                 exception_error("subscribeToFeed", e, transport);
 898                                                         }
 899
 900                                                 } });
 901
 902                                         }
 903                         },
 904                         href: query});
 905
 906                 dialog.show();
 907         } catch (e) {
 908                 exception_error("quickAddFeed", e);
 909         }
 910 }
 911
 912 function createNewRuleElement(parentNode, replaceNode) {
 913         try {
 914                 var form = document.forms["filter_new_rule_form"];
 915
 916                 form.reg_exp.value = form.reg_exp.value.replace(/(<([^>]+)>)/ig,"");
 917
 918                 var query = "backend.php?op=pref-filters&method=printrulename&rule="+
 919                         param_escape(dojo.formToJson(form));
 920
 921                 console.log(query);
 922
 923                 new Ajax.Request("backend.php", {
 924                         parameters: query,
 925                         onComplete: function (transport) {
 926                                 try {
 927                                         var li = dojo.create("li");
 928
 929                                         var cb = dojo.create("input", { type: "checkbox" }, li);
 930
 931                                         new dijit.form.CheckBox({
 932                                                 onChange: function() {
 933                                                         toggleSelectListRow2(this) },
 934                                         }, cb);
 935
 936                                         dojo.create("input", { type: "hidden",
 937                                                 name: "rule[]",
 938                                                 value: dojo.formToJson(form) }, li);
 939
 940                                         dojo.create("span", {
 941                                                 onclick: function() {
 942                                                         dijit.byId('filterEditDlg').editRule(this);
 943                                                 },
 944                                                 innerHTML: transport.responseText }, li);
 945
 946                                         if (replaceNode) {
 947                                                 parentNode.replaceChild(li, replaceNode);
 948                                         } else {
 949                                                 parentNode.appendChild(li);
 950                                         }
 951                                 } catch (e) {
 952                                         exception_error("createNewRuleElement", e);
 953                                 }
 954                 } });
 955         } catch (e) {
 956                 exception_error("createNewRuleElement", e);
 957         }
 958 }
 959
 960 function createNewActionElement(parentNode, replaceNode) {
 961         try {
 962                 var form = document.forms["filter_new_action_form"];
 963
 964                 if (form.action_id.value == 7) {
 965                         form.action_param.value = form.action_param_label.value;
 966                 }
 967
 968                 var query = "backend.php?op=pref-filters&method=printactionname&action="+
 969                         param_escape(dojo.formToJson(form));
 970
 971                 console.log(query);
 972
 973                 new Ajax.Request("backend.php", {
 974                         parameters: query,
 975                         onComplete: function (transport) {
 976                                 try {
 977                                         var li = dojo.create("li");
 978
 979                                         var cb = dojo.create("input", { type: "checkbox" }, li);
 980
 981                                         new dijit.form.CheckBox({
 982                                                 onChange: function() {
 983                                                         toggleSelectListRow2(this) },
 984                                         }, cb);
 985
 986                                         dojo.create("input", { type: "hidden",
 987                                                 name: "action[]",
 988                                                 value: dojo.formToJson(form) }, li);
 989
 990                                         dojo.create("span", {
 991                                                 onclick: function() {
 992                                                         dijit.byId('filterEditDlg').editAction(this);
 993                                                 },
 994                                                 innerHTML: transport.responseText }, li);
 995
 996                                         if (replaceNode) {
 997                                                 parentNode.replaceChild(li, replaceNode);
 998                                         } else {
 999                                                 parentNode.appendChild(li);
1000                                         }
1001
1002                                 } catch (e) {
1003                                         exception_error("createNewActionElement", e);
1004                                 }
1005                         } });
1006         } catch (e) {
1007                 exception_error("createNewActionElement", e);
1008         }
1009 }
1010
1011
1012 function addFilterRule(replaceNode, ruleStr) {
1013         try {
1014                 if (dijit.byId("filterNewRuleDlg"))
1015                         dijit.byId("filterNewRuleDlg").destroyRecursive();
1016
1017                 var query = "backend.php?op=pref-filters&method=newrule&rule=" +
1018                         param_escape(ruleStr);
1019
1020                 var rule_dlg = new dijit.Dialog({
1021                         id: "filterNewRuleDlg",
1022                         title: ruleStr ? __("Edit rule") : __("Add rule"),
1023                         style: "width: 600px",
1024                         execute: function() {
1025                                 if (this.validate()) {
1026                                         createNewRuleElement($("filterDlg_Matches"), replaceNode);
1027                                         this.hide();
1028                                 }
1029                         },
1030                         href: query});
1031
1032                 rule_dlg.show();
1033         } catch (e) {
1034                 exception_error("addFilterRule", e);
1035         }
1036 }
1037
1038 function addFilterAction(replaceNode, actionStr) {
1039         try {
1040                 if (dijit.byId("filterNewActionDlg"))
1041                         dijit.byId("filterNewActionDlg").destroyRecursive();
1042
1043                 var query = "backend.php?op=pref-filters&method=newaction&action=" +
1044                         param_escape(actionStr);
1045
1046                 var rule_dlg = new dijit.Dialog({
1047                         id: "filterNewActionDlg",
1048                         title: actionStr ? __("Edit action") : __("Add action"),
1049                         style: "width: 600px",
1050                         execute: function() {
1051                                 if (this.validate()) {
1052                                         createNewActionElement($("filterDlg_Actions"), replaceNode);
1053                                         this.hide();
1054                                 }
1055                         },
1056                         href: query});
1057
1058                 rule_dlg.show();
1059         } catch (e) {
1060                 exception_error("addFilterAction", e);
1061         }
1062 }
1063
1064 function quickAddFilter() {
1065         try {
1066                 var query = "";
1067                 if (!inPreferences()) {
1068                         query = "backend.php?op=pref-filters&method=newfilter&feed=" +
1069                                 param_escape(getActiveFeedId()) + "&is_cat=" +
1070                                 param_escape(activeFeedIsCat());
1071                 } else {
1072                         query = "backend.php?op=pref-filters&method=newfilter";
1073                 }
1074
1075                 console.log(query);
1076
1077                 if (dijit.byId("feedEditDlg"))
1078                         dijit.byId("feedEditDlg").destroyRecursive();
1079
1080                 if (dijit.byId("filterEditDlg"))
1081                         dijit.byId("filterEditDlg").destroyRecursive();
1082
1083                 dialog = new dijit.Dialog({
1084                         id: "filterEditDlg",
1085                         title: __("Create Filter"),
1086                         style: "width: 600px",
1087                         test: function() {
1088                                 var query = "backend.php?" + dojo.formToQuery("filter_new_form") + "&savemode=test";
1089
1090                                 if (dijit.byId("filterTestDlg"))
1091                                         dijit.byId("filterTestDlg").destroyRecursive();
1092
1093                                 var test_dlg = new dijit.Dialog({
1094                                         id: "filterTestDlg",
1095                                         title: "Test Filter",
1096                                         style: "width: 600px",
1097                                         href: query});
1098
1099                                 test_dlg.show();
1100                         },
1101                         selectRules: function(select) {
1102                                 $$("#filterDlg_Matches input[type=checkbox]").each(function(e) {
1103                                         e.checked = select;
1104                                         if (select)
1105                                                 e.parentNode.addClassName("Selected");
1106                                         else
1107                                                 e.parentNode.removeClassName("Selected");
1108                                 });
1109                         },
1110                         selectActions: function(select) {
1111                                 $$("#filterDlg_Actions input[type=checkbox]").each(function(e) {
1112                                         e.checked = select;
1113
1114                                         if (select)
1115                                                 e.parentNode.addClassName("Selected");
1116                                         else
1117                                                 e.parentNode.removeClassName("Selected");
1118
1119                                 });
1120                         },
1121                         editRule: function(e) {
1122                                 var li = e.parentNode;
1123                                 var rule = li.getElementsByTagName("INPUT")[1].value;
1124                                 addFilterRule(li, rule);
1125                         },
1126                         editAction: function(e) {
1127                                 var li = e.parentNode;
1128                                 var action = li.getElementsByTagName("INPUT")[1].value;
1129                                 addFilterAction(li, action);
1130                         },
1131                         addAction: function() { addFilterAction(); },
1132                         addRule: function() { addFilterRule(); },
1133                         deleteAction: function() {
1134                                 $$("#filterDlg_Actions li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1135                         },
1136                         deleteRule: function() {
1137                                 $$("#filterDlg_Matches li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1138                         },
1139                         execute: function() {
1140                                 if (this.validate()) {
1141
1142                                         var query = dojo.formToQuery("filter_new_form");
1143
1144                                         console.log(query);
1145
1146                                         new Ajax.Request("backend.php", {
1147                                                 parameters: query,
1148                                                 onComplete: function (transport) {
1149                                                         if (inPreferences()) {
1150                                                                 updateFilterList();
1151                                                         }
1152
1153                                                         dialog.hide();
1154                                         } });
1155                                 }
1156                         },
1157                         href: query});
1158
1159                 if (!inPreferences()) {
1160                         var selectedText = getSelectionText();
1161
1162                         var lh = dojo.connect(dialog, "onLoad", function(){
1163                                 dojo.disconnect(lh);
1164
1165                                 if (selectedText != "") {
1166
1167                                         var feed_id = activeFeedIsCat() ? 'CAT:' + parseInt(getActiveFeedId()) :
1168                                                 getActiveFeedId();
1169
1170                                         var rule = { reg_exp: selectedText, feed_id: feed_id, filter_type: 1 };
1171
1172                                         addFilterRule(null, dojo.toJson(rule));
1173
1174                                 } else {
1175
1176                                         var query = "op=rpc&method=getlinktitlebyid&id=" + getActiveArticleId();
1177
1178                                         new Ajax.Request("backend.php", {
1179                                         parameters: query,
1180                                         onComplete: function(transport) {
1181                                                 var reply = JSON.parse(transport.responseText);
1182
1183                                                 var title = false;
1184
1185                                                 if (reply && reply) title = reply.title;
1186
1187                                                 if (title || getActiveFeedId() || activeFeedIsCat()) {
1188
1189                                                         console.log(title + " " + getActiveFeedId());
1190
1191                                                         var feed_id = activeFeedIsCat() ? 'CAT:' + parseInt(getActiveFeedId()) :
1192                                                                 getActiveFeedId();
1193
1194                                                         var rule = { reg_exp: title, feed_id: feed_id, filter_type: 1 };
1195
1196                                                         addFilterRule(null, dojo.toJson(rule));
1197                                                 }
1198
1199                                         } });
1200
1201                                 }
1202
1203                         });
1204                 }
1205
1206                 dialog.show();
1207
1208         } catch (e) {
1209                 exception_error("quickAddFilter", e);
1210         }
1211 }
1212
1213 function resetPubSub(feed_id, title) {
1214
1215         var msg = __("Reset subscription? Tiny Tiny RSS will try to subscribe to the notification hub again on next feed update.").replace("%s", title);
1216
1217         if (title == undefined || confirm(msg)) {
1218                 notify_progress("Loading, please wait...");
1219
1220                 var query = "?op=pref-feeds&quiet=1&method=resetPubSub&ids=" + feed_id;
1221
1222                 new Ajax.Request("backend.php", {
1223                         parameters: query,
1224                         onComplete: function(transport) {
1225                                 dijit.byId("pubsubReset_Btn").attr('disabled', true);
1226                                 notify_info("Subscription reset.");
1227                         } });
1228         }
1229
1230         return false;
1231 }
1232
1233
1234 function unsubscribeFeed(feed_id, title) {
1235
1236         var msg = __("Unsubscribe from %s?").replace("%s", title);
1237
1238         if (title == undefined || confirm(msg)) {
1239                 notify_progress("Removing feed...");
1240
1241                 var query = "?op=pref-feeds&quiet=1&method=remove&ids=" + feed_id;
1242
1243                 new Ajax.Request("backend.php", {
1244                         parameters: query,
1245                         onComplete: function(transport) {
1246
1247                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1248
1249                                         if (inPreferences()) {
1250                                                 updateFeedList();
1251                                         } else {
1252                                                 if (feed_id == getActiveFeedId())
1253                                                         setTimeout("viewfeed(-5)", 100);
1254
1255                                                 if (feed_id < 0) updateFeedList();
1256                                         }
1257
1258                                 } });
1259         }
1260
1261         return false;
1262 }
1263
1264
1265 function backend_sanity_check_callback(transport) {
1266
1267         try {
1268
1269                 if (sanity_check_done) {
1270                         fatalError(11, "Sanity check request received twice. This can indicate "+
1271                       "presence of Firebug or some other disrupting extension. "+
1272                                 "Please disable it and try again.");
1273                         return;
1274                 }
1275
1276                 var reply = JSON.parse(transport.responseText);
1277
1278                 if (!reply) {
1279                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1280                         return;
1281                 }
1282
1283                 var error_code = reply['error']['code'];
1284
1285                 if (error_code && error_code != 0) {
1286                         return fatalError(error_code, reply['error']['message']);
1287                 }
1288
1289                 console.log("sanity check ok");
1290
1291                 var params = reply['init-params'];
1292
1293                 if (params) {
1294                         console.log('reading init-params...');
1295
1296                         for (k in params) {
1297                                 console.log("IP: " + k + " => " + JSON.stringify(params[k]));
1298                                 if (k == "label_base_index") _label_base_index = parseInt(params[k]);
1299                         }
1300
1301                         init_params = params;
1302
1303                         // PluginHost might not be available on non-index pages
1304                         window.PluginHost && PluginHost.run(PluginHost.HOOK_PARAMS_LOADED, init_params);
1305                 }
1306
1307                 sanity_check_done = true;
1308
1309                 init_second_stage();
1310
1311         } catch (e) {
1312                 exception_error("backend_sanity_check_callback", e, transport);
1313         }
1314 }
1315
1316 /*function has_local_storage() {
1317         try {
1318                 return 'sessionStorage' in window && window['sessionStorage'] != null;
1319         } catch (e) {
1320                 return false;
1321         }
1322 } */
1323
1324 function catSelectOnChange(elem) {
1325         try {
1326 /*              var value = elem[elem.selectedIndex].value;
1327                 var def = elem.getAttribute('default');
1328
1329                 if (value == "ADD_CAT") {
1330
1331                         if (def)
1332                                 dropboxSelect(elem, def);
1333                         else
1334                                 elem.selectedIndex = 0;
1335
1336                         quickAddCat(elem);
1337                 } */
1338
1339         } catch (e) {
1340                 exception_error("catSelectOnChange", e);
1341         }
1342 }
1343
1344 function quickAddCat(elem) {
1345         try {
1346                 var cat = prompt(__("Please enter category title:"));
1347
1348                 if (cat) {
1349
1350                         var query = "?op=rpc&method=quickAddCat&cat=" + param_escape(cat);
1351
1352                         notify_progress("Loading, please wait...", true);
1353
1354                         new Ajax.Request("backend.php", {
1355                                 parameters: query,
1356                                 onComplete: function (transport) {
1357                                         var response = transport.responseXML;
1358                                         var select = response.getElementsByTagName("select")[0];
1359                                         var options = select.getElementsByTagName("option");
1360
1361                                         dropbox_replace_options(elem, options);
1362
1363                                         notify('');
1364
1365                         } });
1366
1367                 }
1368
1369         } catch (e) {
1370                 exception_error("quickAddCat", e);
1371         }
1372 }
1373
1374 function genUrlChangeKey(feed, is_cat) {
1375
1376         try {
1377                 var ok = confirm(__("Generate new syndication address for this feed?"));
1378
1379                 if (ok) {
1380
1381                         notify_progress("Trying to change address...", true);
1382
1383                         var query = "?op=pref-feeds&method=regenFeedKey&id=" + param_escape(feed) +
1384                                 "&is_cat=" + param_escape(is_cat);
1385
1386                         new Ajax.Request("backend.php", {
1387                                 parameters: query,
1388                                 onComplete: function(transport) {
1389                                                 var reply = JSON.parse(transport.responseText);
1390                                                 var new_link = reply.link;
1391
1392                                                 var e = $('gen_feed_url');
1393
1394                                                 if (new_link) {
1395
1396                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1397                                                                 "&amp;key=" + new_link);
1398
1399                                                         e.href = e.href.replace(/\&key=.*$/,
1400                                                                 "&key=" + new_link);
1401
1402                                                         new Effect.Highlight(e);
1403
1404                                                         notify('');
1405
1406                                                 } else {
1407                                                         notify_error("Could not change feed URL.");
1408                                                 }
1409                                 } });
1410                 }
1411         } catch (e) {
1412                 exception_error("genUrlChangeKey", e);
1413         }
1414         return false;
1415 }
1416
1417 function labelSelectOnChange(elem) {
1418         try {
1419 /*              var value = elem[elem.selectedIndex].value;
1420                 var def = elem.getAttribute('default');
1421
1422                 if (value == "ADD_LABEL") {
1423
1424                         if (def)
1425                                 dropboxSelect(elem, def);
1426                         else
1427                                 elem.selectedIndex = 0;
1428
1429                         addLabel(elem, function(transport) {
1430
1431                                         try {
1432
1433                                                 var response = transport.responseXML;
1434                                                 var select = response.getElementsByTagName("select")[0];
1435                                                 var options = select.getElementsByTagName("option");
1436
1437                                                 dropbox_replace_options(elem, options);
1438
1439                                                 notify('');
1440                                         } catch (e) {
1441                                                 exception_error("addLabel", e);
1442                                         }
1443                         });
1444                 } */
1445
1446         } catch (e) {
1447                 exception_error("labelSelectOnChange", e);
1448         }
1449 }
1450
1451 function dropbox_replace_options(elem, options) {
1452
1453         try {
1454                 while (elem.hasChildNodes())
1455                         elem.removeChild(elem.firstChild);
1456
1457                 var sel_idx = -1;
1458
1459                 for (var i = 0; i < options.length; i++) {
1460                         var text = options[i].firstChild.nodeValue;
1461                         var value = options[i].getAttribute("value");
1462
1463                         if (value == undefined) value = text;
1464
1465                         var issel = options[i].getAttribute("selected") == "1";
1466
1467                         var option = new Option(text, value, issel);
1468
1469                         if (options[i].getAttribute("disabled"))
1470                                 option.setAttribute("disabled", true);
1471
1472                         elem.insert(option);
1473
1474                         if (issel) sel_idx = i;
1475                 }
1476
1477                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1478                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1479
1480         } catch (e) {
1481                 exception_error("dropbox_replace_options", e);
1482         }
1483 }
1484
1485 // mode = all, none, invert
1486 function selectTableRows(id, mode) {
1487         try {
1488                 var rows = $(id).rows;
1489
1490                 for (var i = 0; i < rows.length; i++) {
1491                         var row = rows[i];
1492                         var cb = false;
1493                         var dcb = false;
1494
1495                         if (row.id && row.className) {
1496                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1497                                 var inputs = rows[i].getElementsByTagName("input");
1498
1499                                 for (var j = 0; j < inputs.length; j++) {
1500                                         var input = inputs[j];
1501
1502                                         if (input.getAttribute("type") == "checkbox" &&
1503                                                         input.id.match(bare_id)) {
1504
1505                                                 cb = input;
1506                                                 dcb = dijit.getEnclosingWidget(cb);
1507                                                 break;
1508                                         }
1509                                 }
1510
1511                                 if (cb || dcb) {
1512                                         var issel = row.hasClassName("Selected");
1513
1514                                         if (mode == "all" && !issel) {
1515                                                 row.addClassName("Selected");
1516                                                 cb.checked = true;
1517                                                 if (dcb) dcb.set("checked", true);
1518                                         } else if (mode == "none" && issel) {
1519                                                 row.removeClassName("Selected");
1520                                                 cb.checked = false;
1521                                                 if (dcb) dcb.set("checked", false);
1522
1523                                         } else if (mode == "invert") {
1524
1525                                                 if (issel) {
1526                                                         row.removeClassName("Selected");
1527                                                         cb.checked = false;
1528                                                         if (dcb) dcb.set("checked", false);
1529                                                 } else {
1530                                                         row.addClassName("Selected");
1531                                                         cb.checked = true;
1532                                                         if (dcb) dcb.set("checked", true);
1533                                                 }
1534                                         }
1535                                 }
1536                         }
1537                 }
1538
1539         } catch (e) {
1540                 exception_error("selectTableRows", e);
1541
1542         }
1543 }
1544
1545 function getSelectedTableRowIds(id) {
1546         var rows = [];
1547
1548         try {
1549                 var elem_rows = $(id).rows;
1550
1551                 for (var i = 0; i < elem_rows.length; i++) {
1552                         if (elem_rows[i].hasClassName("Selected")) {
1553                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1554                                 rows.push(bare_id);
1555                         }
1556                 }
1557
1558         } catch (e) {
1559                 exception_error("getSelectedTableRowIds", e);
1560         }
1561
1562         return rows;
1563 }
1564
1565 function editFeed(feed, event) {
1566         try {
1567                 if (feed <= 0)
1568                         return alert(__("You can't edit this kind of feed."));
1569
1570                 var query = "backend.php?op=pref-feeds&method=editfeed&id=" +
1571                         param_escape(feed);
1572
1573                 console.log(query);
1574
1575                 if (dijit.byId("filterEditDlg"))
1576                         dijit.byId("filterEditDlg").destroyRecursive();
1577
1578                 if (dijit.byId("feedEditDlg"))
1579                         dijit.byId("feedEditDlg").destroyRecursive();
1580
1581                 dialog = new dijit.Dialog({
1582                         id: "feedEditDlg",
1583                         title: __("Edit Feed"),
1584                         style: "width: 600px",
1585                         execute: function() {
1586                                 if (this.validate()) {
1587 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1588
1589                                         notify_progress("Saving data...", true);
1590
1591                                         new Ajax.Request("backend.php", {
1592                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1593                                                 onComplete: function(transport) {
1594                                                         dialog.hide();
1595                                                         notify('');
1596                                                         updateFeedList();
1597                                         }});
1598                                 }
1599                         },
1600                         href: query});
1601
1602                 dialog.show();
1603
1604         } catch (e) {
1605                 exception_error("editFeed", e);
1606         }
1607 }
1608
1609 function feedBrowser() {
1610         try {
1611                 var query = "backend.php?op=feeds&method=feedBrowser";
1612
1613                 if (dijit.byId("feedAddDlg"))
1614                         dijit.byId("feedAddDlg").hide();
1615
1616                 if (dijit.byId("feedBrowserDlg"))
1617                         dijit.byId("feedBrowserDlg").destroyRecursive();
1618
1619                 var dialog = new dijit.Dialog({
1620                         id: "feedBrowserDlg",
1621                         title: __("More Feeds"),
1622                         style: "width: 600px",
1623                         getSelectedFeedIds: function() {
1624                                 var list = $$("#browseFeedList li[id*=FBROW]");
1625                                 var selected = new Array();
1626
1627                                 list.each(function(child) {
1628                                         var id = child.id.replace("FBROW-", "");
1629
1630                                         if (child.hasClassName('Selected')) {
1631                                                 selected.push(id);
1632                                         }
1633                                 });
1634
1635                                 return selected;
1636                         },
1637                         getSelectedFeeds: function() {
1638                                 var list = $$("#browseFeedList li.Selected");
1639                                 var selected = new Array();
1640
1641                                 list.each(function(child) {
1642                                         var title = child.getElementsBySelector("span.fb_feedTitle")[0].innerHTML;
1643                                         var url = child.getElementsBySelector("a.fb_feedUrl")[0].href;
1644
1645                                         selected.push([title,url]);
1646
1647                                 });
1648
1649                                 return selected;
1650                         },
1651
1652                         subscribe: function() {
1653                                 var mode = this.attr('value').mode;
1654                                 var selected = [];
1655
1656                                 if (mode == "1")
1657                                         selected = this.getSelectedFeeds();
1658                                 else
1659                                         selected = this.getSelectedFeedIds();
1660
1661                                 if (selected.length > 0) {
1662                                         dijit.byId("feedBrowserDlg").hide();
1663
1664                                         notify_progress("Loading, please wait...", true);
1665
1666                                         // we use dojo.toJson instead of JSON.stringify because
1667                                         // it somehow escapes everything TWICE, at least in Chrome 9
1668
1669                                         var query = "?op=rpc&method=massSubscribe&payload="+
1670                                                 param_escape(dojo.toJson(selected)) + "&mode=" + param_escape(mode);
1671
1672                                         console.log(query);
1673
1674                                         new Ajax.Request("backend.php", {
1675                                                 parameters: query,
1676                                                 onComplete: function(transport) {
1677                                                         notify('');
1678                                                         updateFeedList();
1679                                                 } });
1680
1681                                 } else {
1682                                         alert(__("No feeds are selected."));
1683                                 }
1684
1685                         },
1686                         update: function() {
1687                                 var query = dojo.objectToQuery(dialog.attr('value'));
1688
1689                                 Element.show('feed_browser_spinner');
1690
1691                                 new Ajax.Request("backend.php", {
1692                                         parameters: query,
1693                                         onComplete: function(transport) {
1694                                                 notify('');
1695
1696                                                 Element.hide('feed_browser_spinner');
1697
1698                                                 var c = $("browseFeedList");
1699
1700                                                 var reply = JSON.parse(transport.responseText);
1701
1702                                                 var r = reply['content'];
1703                                                 var mode = reply['mode'];
1704
1705                                                 if (c && r) {
1706                                                         c.innerHTML = r;
1707                                                 }
1708
1709                                                 dojo.parser.parse("browseFeedList");
1710
1711                                                 if (mode == 2) {
1712                                                         Element.show(dijit.byId('feed_archive_remove').domNode);
1713                                                 } else {
1714                                                         Element.hide(dijit.byId('feed_archive_remove').domNode);
1715                                                 }
1716
1717                                         } });
1718                         },
1719                         removeFromArchive: function() {
1720                                 var selected = this.getSelectedFeedIds();
1721
1722                                 if (selected.length > 0) {
1723
1724                                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1725
1726                                         if (confirm(pr)) {
1727                                                 Element.show('feed_browser_spinner');
1728
1729                                                 var query = "?op=rpc&method=remarchive&ids=" +
1730                                                         param_escape(selected.toString());;
1731
1732                                                 new Ajax.Request("backend.php", {
1733                                                         parameters: query,
1734                                                         onComplete: function(transport) {
1735                                                                 dialog.update();
1736                                                         } });
1737                                         }
1738                                 }
1739                         },
1740                         execute: function() {
1741                                 if (this.validate()) {
1742                                         this.subscribe();
1743                                 }
1744                         },
1745                         href: query});
1746
1747                 dialog.show();
1748
1749         } catch (e) {
1750                 exception_error("editFeed", e);
1751         }
1752 }
1753
1754 function showFeedsWithErrors() {
1755         try {
1756                 var query = "backend.php?op=pref-feeds&method=feedsWithErrors";
1757
1758                 if (dijit.byId("errorFeedsDlg"))
1759                         dijit.byId("errorFeedsDlg").destroyRecursive();
1760
1761                 dialog = new dijit.Dialog({
1762                         id: "errorFeedsDlg",
1763                         title: __("Feeds with update errors"),
1764                         style: "width: 600px",
1765                         getSelectedFeeds: function() {
1766                                 return getSelectedTableRowIds("prefErrorFeedList");
1767                         },
1768                         removeSelected: function() {
1769                                 var sel_rows = this.getSelectedFeeds();
1770
1771                                 console.log(sel_rows);
1772
1773                                 if (sel_rows.length > 0) {
1774                                         var ok = confirm(__("Remove selected feeds?"));
1775
1776                                         if (ok) {
1777                                                 notify_progress("Removing selected feeds...", true);
1778
1779                                                 var query = "?op=pref-feeds&method=remove&ids="+
1780                                                         param_escape(sel_rows.toString());
1781
1782                                                 new Ajax.Request("backend.php", {
1783                                                         parameters: query,
1784                                                         onComplete: function(transport) {
1785                                                                 notify('');
1786                                                                 dialog.hide();
1787                                                                 updateFeedList();
1788                                                         } });
1789                                         }
1790
1791                                 } else {
1792                                         alert(__("No feeds are selected."));
1793                                 }
1794                         },
1795                         execute: function() {
1796                                 if (this.validate()) {
1797                                 }
1798                         },
1799                         href: query});
1800
1801                 dialog.show();
1802
1803         } catch (e) {
1804                 exception_error("showFeedsWithErrors", e);
1805         }
1806
1807 }
1808
1809 /* new support functions for SelectByTag */
1810
1811 function get_all_tags(selObj){
1812         try {
1813                 if( !selObj ) return "";
1814
1815                 var result = "";
1816                 var len = selObj.options.length;
1817
1818                 for (var i=0; i < len; i++){
1819                         if (selObj.options[i].selected) {
1820                                 result += selObj[i].value + "%2C";   // is really a comma
1821                         }
1822                 }
1823
1824                 if (result.length > 0){
1825                         result = result.substr(0, result.length-3);  // remove trailing %2C
1826                 }
1827
1828                 return(result);
1829
1830         } catch (e) {
1831                 exception_error("get_all_tags", e);
1832         }
1833 }
1834
1835 function get_radio_checked(radioObj) {
1836         try {
1837                 if (!radioObj) return "";
1838
1839                 var len = radioObj.length;
1840
1841                 if (len == undefined){
1842                         if(radioObj.checked){
1843                                 return(radioObj.value);
1844                         } else {
1845                                 return("");
1846                         }
1847                 }
1848
1849                 for( var i=0; i < len; i++ ){
1850                         if( radioObj[i].checked ){
1851                                 return( radioObj[i].value);
1852                         }
1853                 }
1854
1855         } catch (e) {
1856                 exception_error("get_radio_checked", e);
1857         }
1858         return("");
1859 }
1860
1861 function get_timestamp() {
1862         var date = new Date();
1863         return Math.round(date.getTime() / 1000);
1864 }
1865
1866 function helpDialog(topic) {
1867         try {
1868                 var query = "backend.php?op=backend&method=help&topic=" + param_escape(topic);
1869
1870                 if (dijit.byId("helpDlg"))
1871                         dijit.byId("helpDlg").destroyRecursive();
1872
1873                 dialog = new dijit.Dialog({
1874                         id: "helpDlg",
1875                         title: __("Help"),
1876                         style: "width: 600px",
1877                         href: query,
1878                 });
1879
1880                 dialog.show();
1881
1882         } catch (e) {
1883                 exception_error("helpDialog", e);
1884         }
1885 }
1886
1887 function htmlspecialchars_decode (string, quote_style) {
1888   // http://kevin.vanzonneveld.net
1889   // +   original by: Mirek Slugen
1890   // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1891   // +   bugfixed by: Mateusz "loonquawl" Zalega
1892   // +      input by: ReverseSyntax
1893   // +      input by: Slawomir Kaniecki
1894   // +      input by: Scott Cariss
1895   // +      input by: Francois
1896   // +   bugfixed by: Onno Marsman
1897   // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1898   // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
1899   // +      input by: Ratheous
1900   // +      input by: Mailfaker (http://www.weedem.fr/)
1901   // +      reimplemented by: Brett Zamir (http://brett-zamir.me)
1902   // +    bugfixed by: Brett Zamir (http://brett-zamir.me)
1903   // *     example 1: htmlspecialchars_decode("<p>this -&gt; &quot;</p>", 'ENT_NOQUOTES');
1904   // *     returns 1: '<p>this -> &quot;</p>'
1905   // *     example 2: htmlspecialchars_decode("&amp;quot;");
1906   // *     returns 2: '&quot;'
1907   var optTemp = 0,
1908     i = 0,
1909     noquotes = false;
1910   if (typeof quote_style === 'undefined') {
1911     quote_style = 2;
1912   }
1913   string = string.toString().replace(/&lt;/g, '<').replace(/&gt;/g, '>');
1914   var OPTS = {
1915     'ENT_NOQUOTES': 0,
1916     'ENT_HTML_QUOTE_SINGLE': 1,
1917     'ENT_HTML_QUOTE_DOUBLE': 2,
1918     'ENT_COMPAT': 2,
1919     'ENT_QUOTES': 3,
1920     'ENT_IGNORE': 4
1921   };
1922   if (quote_style === 0) {
1923     noquotes = true;
1924   }
1925   if (typeof quote_style !== 'number') { // Allow for a single string or an array of string flags
1926     quote_style = [].concat(quote_style);
1927     for (i = 0; i < quote_style.length; i++) {
1928       // Resolve string input to bitwise e.g. 'PATHINFO_EXTENSION' becomes 4
1929       if (OPTS[quote_style[i]] === 0) {
1930         noquotes = true;
1931       } else if (OPTS[quote_style[i]]) {
1932         optTemp = optTemp | OPTS[quote_style[i]];
1933       }
1934     }
1935     quote_style = optTemp;
1936   }
1937   if (quote_style & OPTS.ENT_HTML_QUOTE_SINGLE) {
1938     string = string.replace(/&#0*39;/g, "'"); // PHP doesn't currently escape if more than one 0, but it should
1939     // string = string.replace(/&apos;|&#x0*27;/g, "'"); // This would also be useful here, but not a part of PHP
1940   }
1941   if (!noquotes) {
1942     string = string.replace(/&quot;/g, '"');
1943   }
1944   // Put this in last place to avoid escape being double-decoded
1945   string = string.replace(/&amp;/g, '&');
1946
1947   return string;
1948 }
1949
1950
1951 function label_to_feed_id(label) {
1952         return _label_base_index - 1 - Math.abs(label);
1953 }
1954
1955 function feed_to_label_id(feed) {
1956         return _label_base_index - 1 + Math.abs(feed);
1957 }
1958
1959 // http://stackoverflow.com/questions/6251937/how-to-get-selecteduser-highlighted-text-in-contenteditable-element-and-replac
1960
1961 function getSelectionText() {
1962         var text = "";
1963
1964         if (typeof window.getSelection != "undefined") {
1965                 var sel = window.getSelection();
1966                 if (sel.rangeCount) {
1967                         var container = document.createElement("div");
1968                         for (var i = 0, len = sel.rangeCount; i < len; ++i) {
1969                                 container.appendChild(sel.getRangeAt(i).cloneContents());
1970                         }
1971                         text = container.innerHTML;
1972                 }
1973         } else if (typeof document.selection != "undefined") {
1974                 if (document.selection.type == "Text") {
1975                         text = document.selection.createRange().textText;
1976                 }
1977         }
1978
1979         return text.stripTags();
1980 }