js/functions.js

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