js/functions.js

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