js/functions.js

   1 var loading_progress = 0;
   2 var sanity_check_done = false;
   3 var init_params = {};
   4 var _label_base_index = -1024;
   5 var notify_hide_timerid = false;
   6
   7 Ajax.Base.prototype.initialize = Ajax.Base.prototype.initialize.wrap(
   8         function (callOriginal, options) {
   9
  10                 if (getInitParam("csrf_token") != undefined) {
  11                         Object.extend(options, options || { });
  12
  13                         if (Object.isString(options.parameters))
  14                                 options.parameters = options.parameters.toQueryParams();
  15                         else if (Object.isHash(options.parameters))
  16                                 options.parameters = options.parameters.toObject();
  17
  18                         options.parameters["csrf_token"] = getInitParam("csrf_token");
  19                 }
  20
  21                 return callOriginal(options);
  22         }
  23 );
  24
  25 /* add method to remove element from array */
  26
  27 Array.prototype.remove = function(s) {
  28         for (var i=0; i < this.length; i++) {
  29                 if (s == this[i]) this.splice(i, 1);
  30         }
  31 };
  32
  33 /* create console.log if it doesn't exist */
  34
  35 if (!window.console) console = {};
  36 console.log = console.log || function(msg) { };
  37 console.warn = console.warn || function(msg) { };
  38 console.error = console.error || function(msg) { };
  39
  40 function exception_error(location, e, ext_info) {
  41         var msg = format_exception_error(location, e);
  42
  43         if (!ext_info) ext_info = false;
  44
  45         try {
  46
  47                 if (ext_info) {
  48                         if (ext_info.responseText) {
  49                                 ext_info = ext_info.responseText;
  50                         }
  51                 }
  52
  53                 try {
  54                         new Ajax.Request("backend.php", {
  55                                 parameters: {op: "rpc", method: "log", logmsg: msg},
  56                                 onComplete: function (transport) {
  57                                         console.log(transport.responseText);
  58                                 } });
  59
  60                 } catch (eii) {
  61                         console.log("Exception while trying to log the error.");
  62                         console.log(eii);
  63                 }
  64
  65                 msg += "<p>"+ __("The error will be reported to the configured log destination.") +
  66                         "</p>";
  67
  68                 var content = "<div class=\"fatalError\">" +
  69                         "<pre>" + msg + "</pre>";
  70
  71                 content += "<form name=\"exceptionForm\" id=\"exceptionForm\" target=\"_blank\" "+
  72                   "action=\"http://tt-rss.org/report.php\" method=\"POST\">";
  73
  74                 content += "<textarea style=\"display : none\" name=\"message\">" + msg + "</textarea>";
  75                 content += "<textarea style=\"display : none\" name=\"params\">N/A</textarea>";
  76
  77                 if (ext_info) {
  78                         content += "<div><b>Additional information:</b></div>" +
  79                         "<textarea name=\"xinfo\" readonly=\"1\">" + ext_info + "</textarea>";
  80                 }
  81
  82                 content += "<div><b>Stack trace:</b></div>" +
  83                         "<textarea name=\"stack\" readonly=\"1\">" + e.stack + "</textarea>";
  84
  85                 content += "</form>";
  86
  87                 content += "</div>";
  88
  89                 content += "<div class='dlgButtons'>";
  90
  91                 content += "<button dojoType=\"dijit.form.Button\" "+
  92                                 "onclick=\"dijit.byId('exceptionDlg').hide()\">" +
  93                                 __('Close') + "</button>";
  94                 content += "</div>";
  95
  96                 if (dijit.byId("exceptionDlg"))
  97                         dijit.byId("exceptionDlg").destroyRecursive();
  98
  99                 var dialog = new dijit.Dialog({
 100                         id: "exceptionDlg",
 101                         title: "Unhandled exception",
 102                         style: "width: 600px",
 103                         content: content});
 104
 105                 dialog.show();
 106
 107         } catch (ei) {
 108                 console.log("Exception while trying to report an exception. Oh boy.");
 109                 console.log(ei);
 110                 console.log("Original exception:");
 111                 console.log(e);
 112
 113                 msg += "\n\nAdditional exception caught while trying to show the error dialog.\n\n" +  format_exception_error('exception_error', ei);
 114
 115                 try {
 116                         new Ajax.Request("backend.php", {
 117                                 parameters: {op: "rpc", method: "log", logmsg: msg},
 118                                 onComplete: function (transport) {
 119                                         console.log(transport.responseText);
 120                                 } });
 121
 122                 } catch (eii) {
 123                         console.log("Third exception while trying to log the error! Seriously?");
 124                         console.log(eii);
 125                 }
 126
 127                 msg += "\n\nThe error will be reported to the configured log destination.";
 128
 129                 alert(msg);
 130         }
 131
 132 }
 133
 134 function format_exception_error(location, e) {
 135         var msg;
 136
 137         if (e.fileName) {
 138                 var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
 139
 140                 msg = "Exception: " + e.name + ", " + e.message +
 141                         "\nFunction: " + location + "()" +
 142                         "\nLocation: " + base_fname + ":" + e.lineNumber;
 143
 144         } else if (e.description) {
 145                 msg = "Exception: " + e.description + "\nFunction: " + location + "()";
 146         } else {
 147                 msg = "Exception: " + e + "\nFunction: " + location + "()";
 148         }
 149
 150         console.error("EXCEPTION: " + msg);
 151
 152         return msg;
 153 }
 154
 155 function param_escape(arg) {
 156         if (typeof encodeURIComponent != 'undefined')
 157                 return encodeURIComponent(arg);
 158         else
 159                 return escape(arg);
 160 }
 161
 162 function param_unescape(arg) {
 163         if (typeof decodeURIComponent != 'undefined')
 164                 return decodeURIComponent(arg);
 165         else
 166                 return unescape(arg);
 167 }
 168
 169
 170 function hide_notify() {
 171         Element.hide('notify');
 172 }
 173
 174 function notify_real(msg, no_hide, n_type) {
 175
 176         var n = $("notify");
 177
 178         if (!n) return;
 179
 180         if (notify_hide_timerid) {
 181                 window.clearTimeout(notify_hide_timerid);
 182         }
 183
 184         if (msg == "") {
 185                 if (Element.visible(n)) {
 186                         notify_hide_timerid = window.setTimeout("hide_notify()", 0);
 187                 }
 188                 return;
 189         } else {
 190                 Element.show(n);
 191         }
 192
 193         /* types:
 194
 195                 1 - generic
 196                 2 - progress
 197                 3 - error
 198                 4 - info
 199
 200         */
 201
 202         msg = "<span class=\"msg\"> " + __(msg) + "</span>";
 203
 204         if (n_type == 1) {
 205                 n.className = "notify";
 206         } else if (n_type == 2) {
 207                 n.className = "notify progress";
 208                 msg = "<span><img src='images/indicator_white.gif'></span>" + msg;
 209                 no_hide = true;
 210         } else if (n_type == 3) {
 211                 n.className = "notify error";
 212                 msg = "<span><img src='images/alert.png'></span>" + msg;
 213         } else if (n_type == 4) {
 214                 n.className = "notify info";
 215                 msg = "<span><img src='images/information.png'></span>" + msg;
 216         }
 217
 218         msg += " <span><img src=\"images/cross.png\" class=\"close\" title=\"" +
 219                 __("Click to close") + "\" onclick=\"notify('')\"></span>";
 220
 221 //      msg = "<img src='images/live_com_loading.gif'> " + msg;
 222
 223         n.innerHTML = msg;
 224
 225         if (!no_hide) {
 226                 notify_hide_timerid = window.setTimeout("hide_notify()", 5*1000);
 227         }
 228 }
 229
 230 function notify(msg, no_hide) {
 231         notify_real(msg, no_hide, 1);
 232 }
 233
 234 function notify_progress(msg, no_hide) {
 235         notify_real(msg, no_hide, 2);
 236 }
 237
 238 function notify_error(msg, no_hide) {
 239         notify_real(msg, no_hide, 3);
 240
 241 }
 242
 243 function notify_info(msg, no_hide) {
 244         notify_real(msg, no_hide, 4);
 245 }
 246
 247 function setCookie(name, value, lifetime, path, domain, secure) {
 248
 249         var d = false;
 250
 251         if (lifetime) {
 252                 d = new Date();
 253                 d.setTime(d.getTime() + (lifetime * 1000));
 254         }
 255
 256         console.log("setCookie: " + name + " => " + value + ": " + d);
 257
 258         int_setCookie(name, value, d, path, domain, secure);
 259
 260 }
 261
 262 function int_setCookie(name, value, expires, path, domain, secure) {
 263         document.cookie= name + "=" + escape(value) +
 264                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 265                 ((path) ? "; path=" + path : "") +
 266                 ((domain) ? "; domain=" + domain : "") +
 267                 ((secure) ? "; secure" : "");
 268 }
 269
 270 function delCookie(name, path, domain) {
 271         if (getCookie(name)) {
 272                 document.cookie = name + "=" +
 273                 ((path) ? ";path=" + path : "") +
 274                 ((domain) ? ";domain=" + domain : "" ) +
 275                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 276         }
 277 }
 278
 279
 280 function getCookie(name) {
 281
 282         var dc = document.cookie;
 283         var prefix = name + "=";
 284         var begin = dc.indexOf("; " + prefix);
 285         if (begin == -1) {
 286             begin = dc.indexOf(prefix);
 287             if (begin != 0) return null;
 288         }
 289         else {
 290             begin += 2;
 291         }
 292         var end = document.cookie.indexOf(";", begin);
 293         if (end == -1) {
 294             end = dc.length;
 295         }
 296         return unescape(dc.substring(begin + prefix.length, end));
 297 }
 298
 299 function gotoPreferences() {
 300         document.location.href = "prefs.php";
 301 }
 302
 303 function gotoLogout() {
 304         document.location.href = "backend.php?op=logout";
 305 }
 306
 307 function gotoMain() {
 308         document.location.href = "index.php";
 309 }
 310
 311 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 312   * * @author Sundar Dorai-Raj
 313   * * Email: sdoraira@vt.edu
 314   * * This program is free software; you can redistribute it and/or
 315   * * modify it under the terms of the GNU General Public License
 316   * * as published by the Free Software Foundation; either version 2
 317   * * of the License, or (at your option) any later version,
 318   * * provided that any use properly credits the author.
 319   * * This program is distributed in the hope that it will be useful,
 320   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 321   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 322   * * GNU General Public License for more details at http://www.gnu.org * * */
 323
 324   var numbers=".0123456789";
 325   function isNumeric(x) {
 326     // is x a String or a character?
 327     if(x.length>1) {
 328       // remove negative sign
 329       x=Math.abs(x)+"";
 330       for(var j=0;j<x.length;j++) {
 331         // call isNumeric recursively for each character
 332         number=isNumeric(x.substring(j,j+1));
 333         if(!number) return number;
 334       }
 335       return number;
 336     }
 337     else {
 338       // if x is number return true
 339       if(numbers.indexOf(x)>=0) return true;
 340       return false;
 341     }
 342   }
 343
 344
 345 function toggleSelectRowById(sender, id) {
 346         var row = $(id);
 347         return toggleSelectRow(sender, row);
 348 }
 349
 350 function toggleSelectListRow(sender) {
 351         var row = sender.parentNode;
 352         return toggleSelectRow(sender, row);
 353 }
 354
 355 /* this is for dijit Checkbox */
 356 function toggleSelectListRow2(sender) {
 357         var row = sender.domNode.parentNode;
 358         return toggleSelectRow(sender, row);
 359 }
 360
 361 /* this is for dijit Checkbox */
 362 function toggleSelectRow2(sender, row, is_cdm) {
 363
 364         if (!row)
 365                 if (!is_cdm)
 366                         row = sender.domNode.parentNode.parentNode;
 367                 else
 368                         row = sender.domNode.parentNode.parentNode.parentNode; // oh ffs
 369
 370         if (sender.checked && !row.hasClassName('Selected'))
 371                 row.addClassName('Selected');
 372         else
 373                 row.removeClassName('Selected');
 374
 375         if (typeof updateSelectedPrompt != undefined)
 376                 updateSelectedPrompt();
 377 }
 378
 379
 380 function toggleSelectRow(sender, row) {
 381
 382         if (!row) row = sender.parentNode.parentNode;
 383
 384         if (sender.checked && !row.hasClassName('Selected'))
 385                 row.addClassName('Selected');
 386         else
 387                 row.removeClassName('Selected');
 388
 389         if (typeof updateSelectedPrompt != undefined)
 390                 updateSelectedPrompt();
 391 }
 392
 393 function checkboxToggleElement(elem, id) {
 394         if (elem.checked) {
 395                 Effect.Appear(id, {duration : 0.5});
 396         } else {
 397                 Effect.Fade(id, {duration : 0.5});
 398         }
 399 }
 400
 401 function dropboxSelect(e, v) {
 402         for (var i = 0; i < e.length; i++) {
 403                 if (e[i].value == v) {
 404                         e.selectedIndex = i;
 405                         break;
 406                 }
 407         }
 408 }
 409
 410 function getURLParam(param){
 411         return String(window.location.href).parseQuery()[param];
 412 }
 413
 414 function closeInfoBox(cleanup) {
 415         try {
 416                 dialog = dijit.byId("infoBox");
 417
 418                 if (dialog)     dialog.hide();
 419
 420         } catch (e) {
 421                 //exception_error("closeInfoBox", e);
 422         }
 423         return false;
 424 }
 425
 426
 427 function displayDlg(title, id, param, callback) {
 428
 429         notify_progress("Loading, please wait...", true);
 430
 431         var query = "?op=dlg&method=" +
 432                 param_escape(id) + "&param=" + param_escape(param);
 433
 434         new Ajax.Request("backend.php", {
 435                 parameters: query,
 436                 onComplete: function (transport) {
 437                         infobox_callback2(transport, title);
 438                         if (callback) callback(transport);
 439                 } });
 440
 441         return false;
 442 }
 443
 444 function infobox_callback2(transport, title) {
 445         try {
 446                 var dialog = false;
 447
 448                 if (dijit.byId("infoBox")) {
 449                         dialog = dijit.byId("infoBox");
 450                 }
 451
 452                 //console.log("infobox_callback2");
 453                 notify('');
 454
 455                 var content = transport.responseText;
 456
 457                 if (!dialog) {
 458                         dialog = new dijit.Dialog({
 459                                 title: title,
 460                                 id: 'infoBox',
 461                                 style: "width: 600px",
 462                                 onCancel: function() {
 463                                         return true;
 464                                 },
 465                                 onExecute: function() {
 466                                         return true;
 467                                 },
 468                                 onClose: function() {
 469                                         return true;
 470                                         },
 471                                 content: content});
 472                 } else {
 473                         dialog.attr('title', title);
 474                         dialog.attr('content', content);
 475                 }
 476
 477                 dialog.show();
 478
 479                 notify("");
 480         } catch (e) {
 481                 exception_error("infobox_callback2", e);
 482         }
 483 }
 484
 485 function filterCR(e, f)
 486 {
 487      var key;
 488
 489      if(window.event)
 490           key = window.event.keyCode;     //IE
 491      else
 492           key = e.which;     //firefox
 493
 494         if (key == 13) {
 495                 if (typeof f != 'undefined') {
 496                         f();
 497                         return false;
 498                 } else {
 499                         return false;
 500                 }
 501         } else {
 502                 return true;
 503         }
 504 }
 505
 506 function getInitParam(key) {
 507         return init_params[key];
 508 }
 509
 510 function setInitParam(key, value) {
 511         init_params[key] = value;
 512 }
 513
 514 function fatalError(code, msg, ext_info) {
 515         try {
 516
 517                 if (code == 6) {
 518                         window.location.href = "index.php";
 519                 } else if (code == 5) {
 520                         window.location.href = "public.php?op=dbupdate";
 521                 } else {
 522
 523                         if (msg == "") msg = "Unknown error";
 524
 525                         if (ext_info) {
 526                                 if (ext_info.responseText) {
 527                                         ext_info = ext_info.responseText;
 528                                 }
 529                         }
 530
 531                         if (ERRORS && ERRORS[code] && !msg) {
 532                                 msg = ERRORS[code];
 533                         }
 534
 535                         var content = "<div><b>Error code:</b> " + code + "</div>" +
 536                                 "<p>" + msg + "</p>";
 537
 538                         if (ext_info) {
 539                                 content = content + "<div><b>Additional information:</b></div>" +
 540                                         "<textarea style='width: 100%' readonly=\"1\">" +
 541                                         ext_info + "</textarea>";
 542                         }
 543
 544                         var dialog = new dijit.Dialog({
 545                                 title: "Fatal error",
 546                                 style: "width: 600px",
 547                                 content: content});
 548
 549                         dialog.show();
 550
 551                 }
 552
 553                 return false;
 554
 555         } catch (e) {
 556                 exception_error("fatalError", e);
 557         }
 558 }
 559
 560 function filterDlgCheckAction(sender) {
 561
 562         try {
 563
 564                 var action = sender.value;
 565
 566                 var action_param = $("filterDlg_paramBox");
 567
 568                 if (!action_param) {
 569                         console.log("filterDlgCheckAction: can't find action param box!");
 570                         return;
 571                 }
 572
 573                 // if selected action supports parameters, enable params field
 574                 if (action == 4 || action == 6 || action == 7) {
 575                         new Effect.Appear(action_param, {duration : 0.5});
 576                         if (action != 7) {
 577                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
 578                                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 579                         } else {
 580                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 581                                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 582                         }
 583                 } else {
 584                         Element.hide(action_param);
 585                 }
 586
 587         } catch (e) {
 588                 exception_error("filterDlgCheckAction", e);
 589         }
 590
 591 }
 592
 593
 594 function explainError(code) {
 595         return displayDlg(__("Error explained"), "explainError", code);
 596 }
 597
 598 function loading_set_progress(p) {
 599         try {
 600                 loading_progress += p;
 601
 602                 if (dijit.byId("loading_bar"))
 603                         dijit.byId("loading_bar").update({progress: loading_progress});
 604
 605                 if (loading_progress >= 90)
 606                         remove_splash();
 607
 608         } catch (e) {
 609                 exception_error("loading_set_progress", e);
 610         }
 611 }
 612
 613 function remove_splash() {
 614
 615         if (Element.visible("overlay")) {
 616                 console.log("about to remove splash, OMG!");
 617                 Element.hide("overlay");
 618                 console.log("removed splash!");
 619         }
 620 }
 621
 622 function transport_error_check(transport) {
 623         try {
 624                 if (transport.responseXML) {
 625                         var error = transport.responseXML.getElementsByTagName("error")[0];
 626
 627                         if (error) {
 628                                 var code = error.getAttribute("error-code");
 629                                 var msg = error.getAttribute("error-msg");
 630                                 if (code != 0) {
 631                                         fatalError(code, msg);
 632                                         return false;
 633                                 }
 634                         }
 635                 }
 636         } catch (e) {
 637                 exception_error("check_for_error_xml", e);
 638         }
 639         return true;
 640 }
 641
 642 function strip_tags(s) {
 643         return s.replace(/<\/?[^>]+(>|$)/g, "");
 644 }
 645
 646 function truncate_string(s, length) {
 647         if (!length) length = 30;
 648         var tmp = s.substring(0, length);
 649         if (s.length > length) tmp += "&hellip;";
 650         return tmp;
 651 }
 652
 653 function hotkey_prefix_timeout() {
 654         try {
 655
 656                 var date = new Date();
 657                 var ts = Math.round(date.getTime() / 1000);
 658
 659                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 660                         console.log("hotkey_prefix seems to be stuck, aborting");
 661                         hotkey_prefix_pressed = false;
 662                         hotkey_prefix = false;
 663                         Element.hide('cmdline');
 664                 }
 665
 666                 setTimeout("hotkey_prefix_timeout()", 1000);
 667
 668         } catch  (e) {
 669                 exception_error("hotkey_prefix_timeout", e);
 670         }
 671 }
 672
 673 function uploadIconHandler(rc) {
 674         try {
 675                 switch (rc) {
 676                         case 0:
 677                                 notify_info("Upload complete.");
 678                                 if (inPreferences()) {
 679                                         updateFeedList();
 680                                 } else {
 681                                         setTimeout('updateFeedList(false, false)', 50);
 682                                 }
 683                                 break;
 684                         case 1:
 685                                 notify_error("Upload failed: icon is too big.");
 686                                 break;
 687                         case 2:
 688                                 notify_error("Upload failed.");
 689                                 break;
 690                 }
 691
 692         } catch (e) {
 693                 exception_error("uploadIconHandler", e);
 694         }
 695 }
 696
 697 function removeFeedIcon(id) {
 698
 699         try {
 700
 701                 if (confirm(__("Remove stored feed icon?"))) {
 702                         var query = "backend.php?op=pref-feeds&method=removeicon&feed_id=" + param_escape(id);
 703
 704                         console.log(query);
 705
 706                         notify_progress("Removing feed icon...", true);
 707
 708                         new Ajax.Request("backend.php", {
 709                                 parameters: query,
 710                                 onComplete: function(transport) {
 711                                         notify_info("Feed icon removed.");
 712                                         if (inPreferences()) {
 713                                                 updateFeedList();
 714                                         } else {
 715                                                 setTimeout('updateFeedList(false, false)', 50);
 716                                         }
 717                                 } });
 718                 }
 719
 720                 return false;
 721         } catch (e) {
 722                 exception_error("removeFeedIcon", e);
 723         }
 724 }
 725
 726 function uploadFeedIcon() {
 727
 728         try {
 729
 730                 var file = $("icon_file");
 731
 732                 if (file.value.length == 0) {
 733                         alert(__("Please select an image file to upload."));
 734                 } else {
 735                         if (confirm(__("Upload new icon for this feed?"))) {
 736                                 notify_progress("Uploading, please wait...", true);
 737                                 return true;
 738                         }
 739                 }
 740
 741                 return false;
 742
 743         } catch (e) {
 744                 exception_error("uploadFeedIcon", e);
 745         }
 746 }
 747
 748 function addLabel(select, callback) {
 749
 750         try {
 751
 752                 var caption = prompt(__("Please enter label caption:"), "");
 753
 754                 if (caption != undefined) {
 755
 756                         if (caption == "") {
 757                                 alert(__("Can't create label: missing caption."));
 758                                 return false;
 759                         }
 760
 761                         var query = "?op=pref-labels&method=add&caption=" +
 762                                 param_escape(caption);
 763
 764                         if (select)
 765                                 query += "&output=select";
 766
 767                         notify_progress("Loading, please wait...", true);
 768
 769                         if (inPreferences() && !select) active_tab = "labelConfig";
 770
 771                         new Ajax.Request("backend.php", {
 772                                 parameters: query,
 773                                 onComplete: function(transport) {
 774                                         if (callback) {
 775                                                 callback(transport);
 776                                         } else if (inPreferences()) {
 777                                                 updateLabelList();
 778                                         } else {
 779                                                 updateFeedList();
 780                                         }
 781                         } });
 782
 783                 }
 784
 785         } catch (e) {
 786                 exception_error("addLabel", e);
 787         }
 788 }
 789
 790 function quickAddFeed() {
 791         try {
 792                 var query = "backend.php?op=feeds&method=quickAddFeed";
 793
 794                 // overlapping widgets
 795                 if (dijit.byId("batchSubDlg")) dijit.byId("batchSubDlg").destroyRecursive();
 796                 if (dijit.byId("feedAddDlg"))   dijit.byId("feedAddDlg").destroyRecursive();
 797
 798                 var dialog = new dijit.Dialog({
 799                         id: "feedAddDlg",
 800                         title: __("Subscribe to Feed"),
 801                         style: "width: 600px",
 802                         execute: function() {
 803                                 if (this.validate()) {
 804                                         console.log(dojo.objectToQuery(this.attr('value')));
 805
 806                                         var feed_url = this.attr('value').feed;
 807
 808                                         Element.show("feed_add_spinner");
 809
 810                                         new Ajax.Request("backend.php", {
 811                                                 parameters: dojo.objectToQuery(this.attr('value')),
 812                                                 onComplete: function(transport) {
 813                                                         try {
 814
 815                                                                 try {
 816                                                                         var reply = JSON.parse(transport.responseText);
 817                                                                 } catch (e) {
 818                                                                         Element.hide("feed_add_spinner");
 819                                                                         alert(__("Failed to parse output. This can indicate server timeout and/or network issues. Backend output was logged to browser console."));
 820                                                                         console.log('quickAddFeed, backend returned:' + transport.responseText);
 821                                                                         return;
 822                                                                 }
 823
 824                                                                 var rc = reply['result'];
 825
 826                                                                 notify('');
 827                                                                 Element.hide("feed_add_spinner");
 828
 829                                                                 console.log(rc);
 830
 831                                                                 switch (parseInt(rc['code'])) {
 832                                                                 case 1:
 833                                                                         dialog.hide();
 834                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 835
 836                                                                         updateFeedList();
 837                                                                         break;
 838                                                                 case 2:
 839                                                                         alert(__("Specified URL seems to be invalid."));
 840                                                                         break;
 841                                                                 case 3:
 842                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 843                                                                         break;
 844                                                                 case 4:
 845                                                                         feeds = rc['feeds'];
 846
 847                                                                         Element.show("fadd_multiple_notify");
 848
 849                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 850
 851                                                                         while (select.getOptions().length > 0)
 852                                                                                 select.removeOption(0);
 853
 854                                                                         select.addOption({value: '', label: __("Expand to select feed")});
 855
 856                                                                         var count = 0;
 857                                                                         for (var feedUrl in feeds) {
 858                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 859                                                                                 count++;
 860                                                                         }
 861
 862                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 863
 864                                                                         break;
 865                                                                 case 5:
 866                                                                         alert(__("Couldn't download the specified URL: %s").
 867                                                                                         replace("%s", rc['message']));
 868                                                                         break;
 869                                                                 case 6:
 870                                                                         alert(__("XML validation failed: %s").
 871                                                                                         replace("%s", rc['message']));
 872                                                                         break;
 873                                                                         break;
 874                                                                 case 0:
 875                                                                         alert(__("You are already subscribed to this feed."));
 876                                                                         break;
 877                                                                 }
 878
 879                                                         } catch (e) {
 880                                                                 exception_error("subscribeToFeed", e, transport);
 881                                                         }
 882
 883                                                 } });
 884
 885                                         }
 886                         },
 887                         href: query});
 888
 889                 dialog.show();
 890         } catch (e) {
 891                 exception_error("quickAddFeed", e);
 892         }
 893 }
 894
 895 function createNewRuleElement(parentNode, replaceNode) {
 896         try {
 897                 var form = document.forms["filter_new_rule_form"];
 898
 899                 form.reg_exp.value = form.reg_exp.value.replace(/(<([^>]+)>)/ig,"");
 900
 901                 var query = "backend.php?op=pref-filters&method=printrulename&rule="+
 902                         param_escape(dojo.formToJson(form));
 903
 904                 console.log(query);
 905
 906                 new Ajax.Request("backend.php", {
 907                         parameters: query,
 908                         onComplete: function (transport) {
 909                                 try {
 910                                         var li = dojo.create("li");
 911
 912                                         var cb = dojo.create("input", { type: "checkbox" }, li);
 913
 914                                         new dijit.form.CheckBox({
 915                                                 onChange: function() {
 916                                                         toggleSelectListRow2(this) },
 917                                         }, cb);
 918
 919                                         dojo.create("input", { type: "hidden",
 920                                                 name: "rule[]",
 921                                                 value: dojo.formToJson(form) }, li);
 922
 923                                         dojo.create("span", {
 924                                                 onclick: function() {
 925                                                         dijit.byId('filterEditDlg').editRule(this);
 926                                                 },
 927                                                 innerHTML: transport.responseText }, li);
 928
 929                                         if (replaceNode) {
 930                                                 parentNode.replaceChild(li, replaceNode);
 931                                         } else {
 932                                                 parentNode.appendChild(li);
 933                                         }
 934                                 } catch (e) {
 935                                         exception_error("createNewRuleElement", e);
 936                                 }
 937                 } });
 938         } catch (e) {
 939                 exception_error("createNewRuleElement", e);
 940         }
 941 }
 942
 943 function createNewActionElement(parentNode, replaceNode) {
 944         try {
 945                 var form = document.forms["filter_new_action_form"];
 946
 947                 if (form.action_id.value == 7) {
 948                         form.action_param.value = form.action_param_label.value;
 949                 }
 950
 951                 var query = "backend.php?op=pref-filters&method=printactionname&action="+
 952                         param_escape(dojo.formToJson(form));
 953
 954                 console.log(query);
 955
 956                 new Ajax.Request("backend.php", {
 957                         parameters: query,
 958                         onComplete: function (transport) {
 959                                 try {
 960                                         var li = dojo.create("li");
 961
 962                                         var cb = dojo.create("input", { type: "checkbox" }, li);
 963
 964                                         new dijit.form.CheckBox({
 965                                                 onChange: function() {
 966                                                         toggleSelectListRow2(this) },
 967                                         }, cb);
 968
 969                                         dojo.create("input", { type: "hidden",
 970                                                 name: "action[]",
 971                                                 value: dojo.formToJson(form) }, li);
 972
 973                                         dojo.create("span", {
 974                                                 onclick: function() {
 975                                                         dijit.byId('filterEditDlg').editAction(this);
 976                                                 },
 977                                                 innerHTML: transport.responseText }, li);
 978
 979                                         if (replaceNode) {
 980                                                 parentNode.replaceChild(li, replaceNode);
 981                                         } else {
 982                                                 parentNode.appendChild(li);
 983                                         }
 984
 985                                 } catch (e) {
 986                                         exception_error("createNewActionElement", e);
 987                                 }
 988                         } });
 989         } catch (e) {
 990                 exception_error("createNewActionElement", e);
 991         }
 992 }
 993
 994
 995 function addFilterRule(replaceNode, ruleStr) {
 996         try {
 997                 if (dijit.byId("filterNewRuleDlg"))
 998                         dijit.byId("filterNewRuleDlg").destroyRecursive();
 999
1000                 var query = "backend.php?op=pref-filters&method=newrule&rule=" +
1001                         param_escape(ruleStr);
1002
1003                 var rule_dlg = new dijit.Dialog({
1004                         id: "filterNewRuleDlg",
1005                         title: ruleStr ? __("Edit rule") : __("Add rule"),
1006                         style: "width: 600px",
1007                         execute: function() {
1008                                 if (this.validate()) {
1009                                         createNewRuleElement($("filterDlg_Matches"), replaceNode);
1010                                         this.hide();
1011                                 }
1012                         },
1013                         href: query});
1014
1015                 rule_dlg.show();
1016         } catch (e) {
1017                 exception_error("addFilterRule", e);
1018         }
1019 }
1020
1021 function addFilterAction(replaceNode, actionStr) {
1022         try {
1023                 if (dijit.byId("filterNewActionDlg"))
1024                         dijit.byId("filterNewActionDlg").destroyRecursive();
1025
1026                 var query = "backend.php?op=pref-filters&method=newaction&action=" +
1027                         param_escape(actionStr);
1028
1029                 var rule_dlg = new dijit.Dialog({
1030                         id: "filterNewActionDlg",
1031                         title: actionStr ? __("Edit action") : __("Add action"),
1032                         style: "width: 600px",
1033                         execute: function() {
1034                                 if (this.validate()) {
1035                                         createNewActionElement($("filterDlg_Actions"), replaceNode);
1036                                         this.hide();
1037                                 }
1038                         },
1039                         href: query});
1040
1041                 rule_dlg.show();
1042         } catch (e) {
1043                 exception_error("addFilterAction", e);
1044         }
1045 }
1046
1047 function quickAddFilter() {
1048         try {
1049                 var query = "";
1050                 if (!inPreferences()) {
1051                         query = "backend.php?op=pref-filters&method=newfilter&feed=" +
1052                                 param_escape(getActiveFeedId()) + "&is_cat=" +
1053                                 param_escape(activeFeedIsCat());
1054                 } else {
1055                         query = "backend.php?op=pref-filters&method=newfilter";
1056                 }
1057
1058                 console.log(query);
1059
1060                 if (dijit.byId("feedEditDlg"))
1061                         dijit.byId("feedEditDlg").destroyRecursive();
1062
1063                 if (dijit.byId("filterEditDlg"))
1064                         dijit.byId("filterEditDlg").destroyRecursive();
1065
1066                 dialog = new dijit.Dialog({
1067                         id: "filterEditDlg",
1068                         title: __("Create Filter"),
1069                         style: "width: 600px",
1070                         test: function() {
1071                                 var query = "backend.php?" + dojo.formToQuery("filter_new_form") + "&savemode=test";
1072
1073                                 if (dijit.byId("filterTestDlg"))
1074                                         dijit.byId("filterTestDlg").destroyRecursive();
1075
1076                                 var test_dlg = new dijit.Dialog({
1077                                         id: "filterTestDlg",
1078                                         title: "Test Filter",
1079                                         style: "width: 600px",
1080                                         href: query});
1081
1082                                 test_dlg.show();
1083                         },
1084                         selectRules: function(select) {
1085                                 $$("#filterDlg_Matches input[type=checkbox]").each(function(e) {
1086                                         e.checked = select;
1087                                         if (select)
1088                                                 e.parentNode.addClassName("Selected");
1089                                         else
1090                                                 e.parentNode.removeClassName("Selected");
1091                                 });
1092                         },
1093                         selectActions: function(select) {
1094                                 $$("#filterDlg_Actions input[type=checkbox]").each(function(e) {
1095                                         e.checked = select;
1096
1097                                         if (select)
1098                                                 e.parentNode.addClassName("Selected");
1099                                         else
1100                                                 e.parentNode.removeClassName("Selected");
1101
1102                                 });
1103                         },
1104                         editRule: function(e) {
1105                                 var li = e.parentNode;
1106                                 var rule = li.getElementsByTagName("INPUT")[1].value;
1107                                 addFilterRule(li, rule);
1108                         },
1109                         editAction: function(e) {
1110                                 var li = e.parentNode;
1111                                 var action = li.getElementsByTagName("INPUT")[1].value;
1112                                 addFilterAction(li, action);
1113                         },
1114                         addAction: function() { addFilterAction(); },
1115                         addRule: function() { addFilterRule(); },
1116                         deleteAction: function() {
1117                                 $$("#filterDlg_Actions li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1118                         },
1119                         deleteRule: function() {
1120                                 $$("#filterDlg_Matches li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1121                         },
1122                         execute: function() {
1123                                 if (this.validate()) {
1124
1125                                         var query = dojo.formToQuery("filter_new_form");
1126
1127                                         console.log(query);
1128
1129                                         new Ajax.Request("backend.php", {
1130                                                 parameters: query,
1131                                                 onComplete: function (transport) {
1132                                                         if (inPreferences()) {
1133                                                                 updateFilterList();
1134                                                         }
1135
1136                                                         dialog.hide();
1137                                         } });
1138                                 }
1139                         },
1140                         href: query});
1141
1142                 if (!inPreferences()) {
1143                         var selectedText = getSelectionText();
1144
1145                         var lh = dojo.connect(dialog, "onLoad", function(){
1146                                 dojo.disconnect(lh);
1147
1148                                 if (selectedText != "") {
1149
1150                                         var feed_id = activeFeedIsCat() ? 'CAT:' + parseInt(getActiveFeedId()) :
1151                                                 getActiveFeedId();
1152
1153                                         var rule = { reg_exp: selectedText, feed_id: feed_id, filter_type: 1 };
1154
1155                                         addFilterRule(null, dojo.toJson(rule));
1156
1157                                 } else {
1158
1159                                         var query = "op=rpc&method=getlinktitlebyid&id=" + getActiveArticleId();
1160
1161                                         new Ajax.Request("backend.php", {
1162                                         parameters: query,
1163                                         onComplete: function(transport) {
1164                                                 var reply = JSON.parse(transport.responseText);
1165
1166                                                 var title = false;
1167
1168                                                 if (reply && reply) title = reply.title;
1169
1170                                                 if (title || getActiveFeedId() || activeFeedIsCat()) {
1171
1172                                                         console.log(title + " " + getActiveFeedId());
1173
1174                                                         var feed_id = activeFeedIsCat() ? 'CAT:' + parseInt(getActiveFeedId()) :
1175                                                                 getActiveFeedId();
1176
1177                                                         var rule = { reg_exp: title, feed_id: feed_id, filter_type: 1 };
1178
1179                                                         addFilterRule(null, dojo.toJson(rule));
1180                                                 }
1181
1182                                         } });
1183
1184                                 }
1185
1186                         });
1187                 }
1188
1189                 dialog.show();
1190
1191         } catch (e) {
1192                 exception_error("quickAddFilter", e);
1193         }
1194 }
1195
1196 function resetPubSub(feed_id, title) {
1197
1198         var msg = __("Reset subscription? Tiny Tiny RSS will try to subscribe to the notification hub again on next feed update.").replace("%s", title);
1199
1200         if (title == undefined || confirm(msg)) {
1201                 notify_progress("Loading, please wait...");
1202
1203                 var query = "?op=pref-feeds&quiet=1&method=resetPubSub&ids=" + feed_id;
1204
1205                 new Ajax.Request("backend.php", {
1206                         parameters: query,
1207                         onComplete: function(transport) {
1208                                 dijit.byId("pubsubReset_Btn").attr('disabled', true);
1209                                 notify_info("Subscription reset.");
1210                         } });
1211         }
1212
1213         return false;
1214 }
1215
1216
1217 function unsubscribeFeed(feed_id, title) {
1218
1219         var msg = __("Unsubscribe from %s?").replace("%s", title);
1220
1221         if (title == undefined || confirm(msg)) {
1222                 notify_progress("Removing feed...");
1223
1224                 var query = "?op=pref-feeds&quiet=1&method=remove&ids=" + feed_id;
1225
1226                 new Ajax.Request("backend.php", {
1227                         parameters: query,
1228                         onComplete: function(transport) {
1229
1230                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1231
1232                                         if (inPreferences()) {
1233                                                 updateFeedList();
1234                                         } else {
1235                                                 if (feed_id == getActiveFeedId())
1236                                                         setTimeout("viewfeed(-5)", 100);
1237
1238                                                 if (feed_id < 0) updateFeedList();
1239                                         }
1240
1241                                 } });
1242         }
1243
1244         return false;
1245 }
1246
1247
1248 function backend_sanity_check_callback(transport) {
1249
1250         try {
1251
1252                 if (sanity_check_done) {
1253                         fatalError(11, "Sanity check request received twice. This can indicate "+
1254                       "presence of Firebug or some other disrupting extension. "+
1255                                 "Please disable it and try again.");
1256                         return;
1257                 }
1258
1259                 var reply = JSON.parse(transport.responseText);
1260
1261                 if (!reply) {
1262                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1263                         return;
1264                 }
1265
1266                 var error_code = reply['error']['code'];
1267
1268                 if (error_code && error_code != 0) {
1269                         return fatalError(error_code, reply['error']['message']);
1270                 }
1271
1272                 console.log("sanity check ok");
1273
1274                 var params = reply['init-params'];
1275
1276                 if (params) {
1277                         console.log('reading init-params...');
1278
1279                         for (k in params) {
1280                                 var v = params[k];
1281                                 console.log("IP: " + k + " => " + v);
1282
1283                                 if (k == "label_base_index") _label_base_index = parseInt(v);
1284                         }
1285
1286                         init_params = params;
1287
1288                         // PluginHost might not be available on non-index pages
1289                         window.PluginHost && PluginHost.run(PluginHost.HOOK_PARAMS_LOADED, init_params);
1290                 }
1291
1292                 sanity_check_done = true;
1293
1294                 init_second_stage();
1295
1296         } catch (e) {
1297                 exception_error("backend_sanity_check_callback", e, transport);
1298         }
1299 }
1300
1301 /*function has_local_storage() {
1302         try {
1303                 return 'sessionStorage' in window && window['sessionStorage'] != null;
1304         } catch (e) {
1305                 return false;
1306         }
1307 } */
1308
1309 function catSelectOnChange(elem) {
1310         try {
1311 /*              var value = elem[elem.selectedIndex].value;
1312                 var def = elem.getAttribute('default');
1313
1314                 if (value == "ADD_CAT") {
1315
1316                         if (def)
1317                                 dropboxSelect(elem, def);
1318                         else
1319                                 elem.selectedIndex = 0;
1320
1321                         quickAddCat(elem);
1322                 } */
1323
1324         } catch (e) {
1325                 exception_error("catSelectOnChange", e);
1326         }
1327 }
1328
1329 function quickAddCat(elem) {
1330         try {
1331                 var cat = prompt(__("Please enter category title:"));
1332
1333                 if (cat) {
1334
1335                         var query = "?op=rpc&method=quickAddCat&cat=" + param_escape(cat);
1336
1337                         notify_progress("Loading, please wait...", true);
1338
1339                         new Ajax.Request("backend.php", {
1340                                 parameters: query,
1341                                 onComplete: function (transport) {
1342                                         var response = transport.responseXML;
1343                                         var select = response.getElementsByTagName("select")[0];
1344                                         var options = select.getElementsByTagName("option");
1345
1346                                         dropbox_replace_options(elem, options);
1347
1348                                         notify('');
1349
1350                         } });
1351
1352                 }
1353
1354         } catch (e) {
1355                 exception_error("quickAddCat", e);
1356         }
1357 }
1358
1359 function genUrlChangeKey(feed, is_cat) {
1360
1361         try {
1362                 var ok = confirm(__("Generate new syndication address for this feed?"));
1363
1364                 if (ok) {
1365
1366                         notify_progress("Trying to change address...", true);
1367
1368                         var query = "?op=pref-feeds&method=regenFeedKey&id=" + param_escape(feed) +
1369                                 "&is_cat=" + param_escape(is_cat);
1370
1371                         new Ajax.Request("backend.php", {
1372                                 parameters: query,
1373                                 onComplete: function(transport) {
1374                                                 var reply = JSON.parse(transport.responseText);
1375                                                 var new_link = reply.link;
1376
1377                                                 var e = $('gen_feed_url');
1378
1379                                                 if (new_link) {
1380
1381                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1382                                                                 "&amp;key=" + new_link);
1383
1384                                                         e.href = e.href.replace(/\&key=.*$/,
1385                                                                 "&key=" + new_link);
1386
1387                                                         new Effect.Highlight(e);
1388
1389                                                         notify('');
1390
1391                                                 } else {
1392                                                         notify_error("Could not change feed URL.");
1393                                                 }
1394                                 } });
1395                 }
1396         } catch (e) {
1397                 exception_error("genUrlChangeKey", e);
1398         }
1399         return false;
1400 }
1401
1402 function labelSelectOnChange(elem) {
1403         try {
1404 /*              var value = elem[elem.selectedIndex].value;
1405                 var def = elem.getAttribute('default');
1406
1407                 if (value == "ADD_LABEL") {
1408
1409                         if (def)
1410                                 dropboxSelect(elem, def);
1411                         else
1412                                 elem.selectedIndex = 0;
1413
1414                         addLabel(elem, function(transport) {
1415
1416                                         try {
1417
1418                                                 var response = transport.responseXML;
1419                                                 var select = response.getElementsByTagName("select")[0];
1420                                                 var options = select.getElementsByTagName("option");
1421
1422                                                 dropbox_replace_options(elem, options);
1423
1424                                                 notify('');
1425                                         } catch (e) {
1426                                                 exception_error("addLabel", e);
1427                                         }
1428                         });
1429                 } */
1430
1431         } catch (e) {
1432                 exception_error("labelSelectOnChange", e);
1433         }
1434 }
1435
1436 function dropbox_replace_options(elem, options) {
1437
1438         try {
1439                 while (elem.hasChildNodes())
1440                         elem.removeChild(elem.firstChild);
1441
1442                 var sel_idx = -1;
1443
1444                 for (var i = 0; i < options.length; i++) {
1445                         var text = options[i].firstChild.nodeValue;
1446                         var value = options[i].getAttribute("value");
1447
1448                         if (value == undefined) value = text;
1449
1450                         var issel = options[i].getAttribute("selected") == "1";
1451
1452                         var option = new Option(text, value, issel);
1453
1454                         if (options[i].getAttribute("disabled"))
1455                                 option.setAttribute("disabled", true);
1456
1457                         elem.insert(option);
1458
1459                         if (issel) sel_idx = i;
1460                 }
1461
1462                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1463                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1464
1465         } catch (e) {
1466                 exception_error("dropbox_replace_options", e);
1467         }
1468 }
1469
1470 // mode = all, none, invert
1471 function selectTableRows(id, mode) {
1472         try {
1473                 var rows = $(id).rows;
1474
1475                 for (var i = 0; i < rows.length; i++) {
1476                         var row = rows[i];
1477                         var cb = false;
1478                         var dcb = false;
1479
1480                         if (row.id && row.className) {
1481                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1482                                 var inputs = rows[i].getElementsByTagName("input");
1483
1484                                 for (var j = 0; j < inputs.length; j++) {
1485                                         var input = inputs[j];
1486
1487                                         if (input.getAttribute("type") == "checkbox" &&
1488                                                         input.id.match(bare_id)) {
1489
1490                                                 cb = input;
1491                                                 dcb = dijit.getEnclosingWidget(cb);
1492                                                 break;
1493                                         }
1494                                 }
1495
1496                                 if (cb || dcb) {
1497                                         var issel = row.hasClassName("Selected");
1498
1499                                         if (mode == "all" && !issel) {
1500                                                 row.addClassName("Selected");
1501                                                 cb.checked = true;
1502                                                 if (dcb) dcb.set("checked", true);
1503                                         } else if (mode == "none" && issel) {
1504                                                 row.removeClassName("Selected");
1505                                                 cb.checked = false;
1506                                                 if (dcb) dcb.set("checked", false);
1507
1508                                         } else if (mode == "invert") {
1509
1510                                                 if (issel) {
1511                                                         row.removeClassName("Selected");
1512                                                         cb.checked = false;
1513                                                         if (dcb) dcb.set("checked", false);
1514                                                 } else {
1515                                                         row.addClassName("Selected");
1516                                                         cb.checked = true;
1517                                                         if (dcb) dcb.set("checked", true);
1518                                                 }
1519                                         }
1520                                 }
1521                         }
1522                 }
1523
1524         } catch (e) {
1525                 exception_error("selectTableRows", e);
1526
1527         }
1528 }
1529
1530 function getSelectedTableRowIds(id) {
1531         var rows = [];
1532
1533         try {
1534                 var elem_rows = $(id).rows;
1535
1536                 for (var i = 0; i < elem_rows.length; i++) {
1537                         if (elem_rows[i].hasClassName("Selected")) {
1538                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1539                                 rows.push(bare_id);
1540                         }
1541                 }
1542
1543         } catch (e) {
1544                 exception_error("getSelectedTableRowIds", e);
1545         }
1546
1547         return rows;
1548 }
1549
1550 function editFeed(feed, event) {
1551         try {
1552                 if (feed <= 0)
1553                         return alert(__("You can't edit this kind of feed."));
1554
1555                 var query = "backend.php?op=pref-feeds&method=editfeed&id=" +
1556                         param_escape(feed);
1557
1558                 console.log(query);
1559
1560                 if (dijit.byId("filterEditDlg"))
1561                         dijit.byId("filterEditDlg").destroyRecursive();
1562
1563                 if (dijit.byId("feedEditDlg"))
1564                         dijit.byId("feedEditDlg").destroyRecursive();
1565
1566                 dialog = new dijit.Dialog({
1567                         id: "feedEditDlg",
1568                         title: __("Edit Feed"),
1569                         style: "width: 600px",
1570                         execute: function() {
1571                                 if (this.validate()) {
1572 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1573
1574                                         notify_progress("Saving data...", true);
1575
1576                                         new Ajax.Request("backend.php", {
1577                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1578                                                 onComplete: function(transport) {
1579                                                         dialog.hide();
1580                                                         notify('');
1581                                                         updateFeedList();
1582                                         }});
1583                                 }
1584                         },
1585                         href: query});
1586
1587                 dialog.show();
1588
1589         } catch (e) {
1590                 exception_error("editFeed", e);
1591         }
1592 }
1593
1594 function feedBrowser() {
1595         try {
1596                 var query = "backend.php?op=feeds&method=feedBrowser";
1597
1598                 if (dijit.byId("feedAddDlg"))
1599                         dijit.byId("feedAddDlg").hide();
1600
1601                 if (dijit.byId("feedBrowserDlg"))
1602                         dijit.byId("feedBrowserDlg").destroyRecursive();
1603
1604                 var dialog = new dijit.Dialog({
1605                         id: "feedBrowserDlg",
1606                         title: __("More Feeds"),
1607                         style: "width: 600px",
1608                         getSelectedFeedIds: function() {
1609                                 var list = $$("#browseFeedList li[id*=FBROW]");
1610                                 var selected = new Array();
1611
1612                                 list.each(function(child) {
1613                                         var id = child.id.replace("FBROW-", "");
1614
1615                                         if (child.hasClassName('Selected')) {
1616                                                 selected.push(id);
1617                                         }
1618                                 });
1619
1620                                 return selected;
1621                         },
1622                         getSelectedFeeds: function() {
1623                                 var list = $$("#browseFeedList li.Selected");
1624                                 var selected = new Array();
1625
1626                                 list.each(function(child) {
1627                                         var title = child.getElementsBySelector("span.fb_feedTitle")[0].innerHTML;
1628                                         var url = child.getElementsBySelector("a.fb_feedUrl")[0].href;
1629
1630                                         selected.push([title,url]);
1631
1632                                 });
1633
1634                                 return selected;
1635                         },
1636
1637                         subscribe: function() {
1638                                 var mode = this.attr('value').mode;
1639                                 var selected = [];
1640
1641                                 if (mode == "1")
1642                                         selected = this.getSelectedFeeds();
1643                                 else
1644                                         selected = this.getSelectedFeedIds();
1645
1646                                 if (selected.length > 0) {
1647                                         dijit.byId("feedBrowserDlg").hide();
1648
1649                                         notify_progress("Loading, please wait...", true);
1650
1651                                         // we use dojo.toJson instead of JSON.stringify because
1652                                         // it somehow escapes everything TWICE, at least in Chrome 9
1653
1654                                         var query = "?op=rpc&method=massSubscribe&payload="+
1655                                                 param_escape(dojo.toJson(selected)) + "&mode=" + param_escape(mode);
1656
1657                                         console.log(query);
1658
1659                                         new Ajax.Request("backend.php", {
1660                                                 parameters: query,
1661                                                 onComplete: function(transport) {
1662                                                         notify('');
1663                                                         updateFeedList();
1664                                                 } });
1665
1666                                 } else {
1667                                         alert(__("No feeds are selected."));
1668                                 }
1669
1670                         },
1671                         update: function() {
1672                                 var query = dojo.objectToQuery(dialog.attr('value'));
1673
1674                                 Element.show('feed_browser_spinner');
1675
1676                                 new Ajax.Request("backend.php", {
1677                                         parameters: query,
1678                                         onComplete: function(transport) {
1679                                                 notify('');
1680
1681                                                 Element.hide('feed_browser_spinner');
1682
1683                                                 var c = $("browseFeedList");
1684
1685                                                 var reply = JSON.parse(transport.responseText);
1686
1687                                                 var r = reply['content'];
1688                                                 var mode = reply['mode'];
1689
1690                                                 if (c && r) {
1691                                                         c.innerHTML = r;
1692                                                 }
1693
1694                                                 dojo.parser.parse("browseFeedList");
1695
1696                                                 if (mode == 2) {
1697                                                         Element.show(dijit.byId('feed_archive_remove').domNode);
1698                                                 } else {
1699                                                         Element.hide(dijit.byId('feed_archive_remove').domNode);
1700                                                 }
1701
1702                                         } });
1703                         },
1704                         removeFromArchive: function() {
1705                                 var selected = this.getSelectedFeedIds();
1706
1707                                 if (selected.length > 0) {
1708
1709                                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1710
1711                                         if (confirm(pr)) {
1712                                                 Element.show('feed_browser_spinner');
1713
1714                                                 var query = "?op=rpc&method=remarchive&ids=" +
1715                                                         param_escape(selected.toString());;
1716
1717                                                 new Ajax.Request("backend.php", {
1718                                                         parameters: query,
1719                                                         onComplete: function(transport) {
1720                                                                 dialog.update();
1721                                                         } });
1722                                         }
1723                                 }
1724                         },
1725                         execute: function() {
1726                                 if (this.validate()) {
1727                                         this.subscribe();
1728                                 }
1729                         },
1730                         href: query});
1731
1732                 dialog.show();
1733
1734         } catch (e) {
1735                 exception_error("editFeed", e);
1736         }
1737 }
1738
1739 function showFeedsWithErrors() {
1740         try {
1741                 var query = "backend.php?op=pref-feeds&method=feedsWithErrors";
1742
1743                 if (dijit.byId("errorFeedsDlg"))
1744                         dijit.byId("errorFeedsDlg").destroyRecursive();
1745
1746                 dialog = new dijit.Dialog({
1747                         id: "errorFeedsDlg",
1748                         title: __("Feeds with update errors"),
1749                         style: "width: 600px",
1750                         getSelectedFeeds: function() {
1751                                 return getSelectedTableRowIds("prefErrorFeedList");
1752                         },
1753                         removeSelected: function() {
1754                                 var sel_rows = this.getSelectedFeeds();
1755
1756                                 console.log(sel_rows);
1757
1758                                 if (sel_rows.length > 0) {
1759                                         var ok = confirm(__("Remove selected feeds?"));
1760
1761                                         if (ok) {
1762                                                 notify_progress("Removing selected feeds...", true);
1763
1764                                                 var query = "?op=pref-feeds&method=remove&ids="+
1765                                                         param_escape(sel_rows.toString());
1766
1767                                                 new Ajax.Request("backend.php", {
1768                                                         parameters: query,
1769                                                         onComplete: function(transport) {
1770                                                                 notify('');
1771                                                                 dialog.hide();
1772                                                                 updateFeedList();
1773                                                         } });
1774                                         }
1775
1776                                 } else {
1777                                         alert(__("No feeds are selected."));
1778                                 }
1779                         },
1780                         execute: function() {
1781                                 if (this.validate()) {
1782                                 }
1783                         },
1784                         href: query});
1785
1786                 dialog.show();
1787
1788         } catch (e) {
1789                 exception_error("showFeedsWithErrors", e);
1790         }
1791
1792 }
1793
1794 /* new support functions for SelectByTag */
1795
1796 function get_all_tags(selObj){
1797         try {
1798                 if( !selObj ) return "";
1799
1800                 var result = "";
1801                 var len = selObj.options.length;
1802
1803                 for (var i=0; i < len; i++){
1804                         if (selObj.options[i].selected) {
1805                                 result += selObj[i].value + "%2C";   // is really a comma
1806                         }
1807                 }
1808
1809                 if (result.length > 0){
1810                         result = result.substr(0, result.length-3);  // remove trailing %2C
1811                 }
1812
1813                 return(result);
1814
1815         } catch (e) {
1816                 exception_error("get_all_tags", e);
1817         }
1818 }
1819
1820 function get_radio_checked(radioObj) {
1821         try {
1822                 if (!radioObj) return "";
1823
1824                 var len = radioObj.length;
1825
1826                 if (len == undefined){
1827                         if(radioObj.checked){
1828                                 return(radioObj.value);
1829                         } else {
1830                                 return("");
1831                         }
1832                 }
1833
1834                 for( var i=0; i < len; i++ ){
1835                         if( radioObj[i].checked ){
1836                                 return( radioObj[i].value);
1837                         }
1838                 }
1839
1840         } catch (e) {
1841                 exception_error("get_radio_checked", e);
1842         }
1843         return("");
1844 }
1845
1846 function get_timestamp() {
1847         var date = new Date();
1848         return Math.round(date.getTime() / 1000);
1849 }
1850
1851 function helpDialog(topic) {
1852         try {
1853                 var query = "backend.php?op=backend&method=help&topic=" + param_escape(topic);
1854
1855                 if (dijit.byId("helpDlg"))
1856                         dijit.byId("helpDlg").destroyRecursive();
1857
1858                 dialog = new dijit.Dialog({
1859                         id: "helpDlg",
1860                         title: __("Help"),
1861                         style: "width: 600px",
1862                         href: query,
1863                 });
1864
1865                 dialog.show();
1866
1867         } catch (e) {
1868                 exception_error("helpDialog", e);
1869         }
1870 }
1871
1872 function htmlspecialchars_decode (string, quote_style) {
1873   // http://kevin.vanzonneveld.net
1874   // +   original by: Mirek Slugen
1875   // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1876   // +   bugfixed by: Mateusz "loonquawl" Zalega
1877   // +      input by: ReverseSyntax
1878   // +      input by: Slawomir Kaniecki
1879   // +      input by: Scott Cariss
1880   // +      input by: Francois
1881   // +   bugfixed by: Onno Marsman
1882   // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1883   // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
1884   // +      input by: Ratheous
1885   // +      input by: Mailfaker (http://www.weedem.fr/)
1886   // +      reimplemented by: Brett Zamir (http://brett-zamir.me)
1887   // +    bugfixed by: Brett Zamir (http://brett-zamir.me)
1888   // *     example 1: htmlspecialchars_decode("<p>this -&gt; &quot;</p>", 'ENT_NOQUOTES');
1889   // *     returns 1: '<p>this -> &quot;</p>'
1890   // *     example 2: htmlspecialchars_decode("&amp;quot;");
1891   // *     returns 2: '&quot;'
1892   var optTemp = 0,
1893     i = 0,
1894     noquotes = false;
1895   if (typeof quote_style === 'undefined') {
1896     quote_style = 2;
1897   }
1898   string = string.toString().replace(/&lt;/g, '<').replace(/&gt;/g, '>');
1899   var OPTS = {
1900     'ENT_NOQUOTES': 0,
1901     'ENT_HTML_QUOTE_SINGLE': 1,
1902     'ENT_HTML_QUOTE_DOUBLE': 2,
1903     'ENT_COMPAT': 2,
1904     'ENT_QUOTES': 3,
1905     'ENT_IGNORE': 4
1906   };
1907   if (quote_style === 0) {
1908     noquotes = true;
1909   }
1910   if (typeof quote_style !== 'number') { // Allow for a single string or an array of string flags
1911     quote_style = [].concat(quote_style);
1912     for (i = 0; i < quote_style.length; i++) {
1913       // Resolve string input to bitwise e.g. 'PATHINFO_EXTENSION' becomes 4
1914       if (OPTS[quote_style[i]] === 0) {
1915         noquotes = true;
1916       } else if (OPTS[quote_style[i]]) {
1917         optTemp = optTemp | OPTS[quote_style[i]];
1918       }
1919     }
1920     quote_style = optTemp;
1921   }
1922   if (quote_style & OPTS.ENT_HTML_QUOTE_SINGLE) {
1923     string = string.replace(/&#0*39;/g, "'"); // PHP doesn't currently escape if more than one 0, but it should
1924     // string = string.replace(/&apos;|&#x0*27;/g, "'"); // This would also be useful here, but not a part of PHP
1925   }
1926   if (!noquotes) {
1927     string = string.replace(/&quot;/g, '"');
1928   }
1929   // Put this in last place to avoid escape being double-decoded
1930   string = string.replace(/&amp;/g, '&');
1931
1932   return string;
1933 }
1934
1935
1936 function label_to_feed_id(label) {
1937         return _label_base_index - 1 - Math.abs(label);
1938 }
1939
1940 function feed_to_label_id(feed) {
1941         return _label_base_index - 1 + Math.abs(feed);
1942 }
1943
1944 // http://stackoverflow.com/questions/6251937/how-to-get-selecteduser-highlighted-text-in-contenteditable-element-and-replac
1945
1946 function getSelectionText() {
1947         var text = "";
1948
1949         if (typeof window.getSelection != "undefined") {
1950                 var sel = window.getSelection();
1951                 if (sel.rangeCount) {
1952                         var container = document.createElement("div");
1953                         for (var i = 0, len = sel.rangeCount; i < len; ++i) {
1954                                 container.appendChild(sel.getRangeAt(i).cloneContents());
1955                         }
1956                         text = container.innerHTML;
1957                 }
1958         } else if (typeof document.selection != "undefined") {
1959                 if (document.selection.type == "Text") {
1960                         text = document.selection.createRange().textText;
1961                 }
1962         }
1963
1964         return text.stripTags();
1965 }