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