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
  34 function report_error(message, filename, lineno, colno, error) {
  35         exception_error(error, null, filename, lineno);
  36 }
  37
  38 function exception_error(e, e_compat, filename, lineno, colno) {
  39         if (typeof e == "string") e = e_compat;
  40
  41         if (!e) return; // no exception object, nothing to report.
  42
  43         try {
  44                 console.error(e);
  45                 var msg = e.toString();
  46
  47                 try {
  48                         new Ajax.Request("backend.php", {
  49                                 parameters: {op: "rpc", method: "log",
  50                                         file: e.fileName ? e.fileName : filename,
  51                                         line: e.lineNumber ? e.lineNumber : lineno,
  52                                         msg: msg, context: e.stack},
  53                                 onComplete: function (transport) {
  54                                         console.warn(transport.responseText);
  55                                 } });
  56
  57                 } catch (e) {
  58                         console.error("Exception while trying to log the error.", e);
  59                 }
  60
  61                 var content = "<div class='fatalError'><p>" + msg + "</p>";
  62
  63                 if (e.stack) {
  64                         content += "<div><b>Stack trace:</b></div>" +
  65                                 "<textarea name=\"stack\" readonly=\"1\">" + e.stack + "</textarea>";
  66                 }
  67
  68                 content += "</div>";
  69
  70                 content += "<div class='dlgButtons'>";
  71
  72                 content += "<button dojoType=\"dijit.form.Button\" "+
  73                                 "onclick=\"dijit.byId('exceptionDlg').hide()\">" +
  74                                 __('Close') + "</button>";
  75                 content += "</div>";
  76
  77                 if (dijit.byId("exceptionDlg"))
  78                         dijit.byId("exceptionDlg").destroyRecursive();
  79
  80                 var dialog = new dijit.Dialog({
  81                         id: "exceptionDlg",
  82                         title: "Unhandled exception",
  83                         style: "width: 600px",
  84                         content: content});
  85
  86                 dialog.show();
  87
  88         } catch (ei) {
  89                 console.error("Exception while trying to report an exception:", ei);
  90                 console.error("Original exception:", e);
  91
  92                 alert("Exception occured while trying to report an exception.\n" +
  93                         ei.stack + "\n\nOriginal exception:\n" + e.stack);
  94         }
  95
  96 }
  97
  98 function param_escape(arg) {
  99         if (typeof encodeURIComponent != 'undefined')
 100                 return encodeURIComponent(arg);
 101         else
 102                 return escape(arg);
 103 }
 104
 105 function param_unescape(arg) {
 106         if (typeof decodeURIComponent != 'undefined')
 107                 return decodeURIComponent(arg);
 108         else
 109                 return unescape(arg);
 110 }
 111
 112 function notify_real(msg, no_hide, n_type) {
 113
 114         var n = $("notify");
 115
 116         if (!n) return;
 117
 118         if (notify_hide_timerid) {
 119                 window.clearTimeout(notify_hide_timerid);
 120         }
 121
 122         if (msg == "") {
 123                 if (n.hasClassName("visible")) {
 124                         notify_hide_timerid = window.setTimeout(function() {
 125                                 n.removeClassName("visible") }, 0);
 126                 }
 127                 return;
 128         }
 129
 130         /* types:
 131
 132                 1 - generic
 133                 2 - progress
 134                 3 - error
 135                 4 - info
 136
 137         */
 138
 139         msg = "<span class=\"msg\"> " + __(msg) + "</span>";
 140
 141         if (n_type == 2) {
 142                 msg = "<span><img src=\""+getInitParam("icon_indicator_white")+"\"></span>" + msg;
 143                 no_hide = true;
 144         } else if (n_type == 3) {
 145                 msg = "<span><img src=\""+getInitParam("icon_alert")+"\"></span>" + msg;
 146         } else if (n_type == 4) {
 147                 msg = "<span><img src=\""+getInitParam("icon_information")+"\"></span>" + msg;
 148         }
 149
 150         msg += " <span><img src=\""+getInitParam("icon_cross")+"\" class=\"close\" title=\"" +
 151                 __("Click to close") + "\" onclick=\"notify('')\"></span>";
 152
 153         n.innerHTML = msg;
 154
 155         window.setTimeout(function() {
 156                 // goddamnit firefox
 157                 if (n_type == 2) {
 158                 n.className = "notify notify_progress visible";
 159                         } else if (n_type == 3) {
 160                         n.className = "notify notify_error visible";
 161                         msg = "<span><img src='images/alert.png'></span>" + msg;
 162                 } else if (n_type == 4) {
 163                         n.className = "notify notify_info visible";
 164                 } else {
 165                         n.className = "notify visible";
 166                 }
 167
 168                 if (!no_hide) {
 169                         notify_hide_timerid = window.setTimeout(function() {
 170                                 n.removeClassName("visible") }, 5*1000);
 171                 }
 172
 173         }, 10);
 174
 175 }
 176
 177 function notify(msg, no_hide) {
 178         notify_real(msg, no_hide, 1);
 179 }
 180
 181 function notify_progress(msg, no_hide) {
 182         notify_real(msg, no_hide, 2);
 183 }
 184
 185 function notify_error(msg, no_hide) {
 186         notify_real(msg, no_hide, 3);
 187
 188 }
 189
 190 function notify_info(msg, no_hide) {
 191         notify_real(msg, no_hide, 4);
 192 }
 193
 194 function setCookie(name, value, lifetime, path, domain, secure) {
 195
 196         var d = false;
 197
 198         if (lifetime) {
 199                 d = new Date();
 200                 d.setTime(d.getTime() + (lifetime * 1000));
 201         }
 202
 203         console.log("setCookie: " + name + " => " + value + ": " + d);
 204
 205         int_setCookie(name, value, d, path, domain, secure);
 206
 207 }
 208
 209 function int_setCookie(name, value, expires, path, domain, secure) {
 210         document.cookie= name + "=" + escape(value) +
 211                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 212                 ((path) ? "; path=" + path : "") +
 213                 ((domain) ? "; domain=" + domain : "") +
 214                 ((secure) ? "; secure" : "");
 215 }
 216
 217 function delCookie(name, path, domain) {
 218         if (getCookie(name)) {
 219                 document.cookie = name + "=" +
 220                 ((path) ? ";path=" + path : "") +
 221                 ((domain) ? ";domain=" + domain : "" ) +
 222                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 223         }
 224 }
 225
 226
 227 function getCookie(name) {
 228
 229         var dc = document.cookie;
 230         var prefix = name + "=";
 231         var begin = dc.indexOf("; " + prefix);
 232         if (begin == -1) {
 233             begin = dc.indexOf(prefix);
 234             if (begin != 0) return null;
 235         }
 236         else {
 237             begin += 2;
 238         }
 239         var end = document.cookie.indexOf(";", begin);
 240         if (end == -1) {
 241             end = dc.length;
 242         }
 243         return unescape(dc.substring(begin + prefix.length, end));
 244 }
 245
 246 function gotoPreferences() {
 247         document.location.href = "prefs.php";
 248 }
 249
 250 function gotoLogout() {
 251         document.location.href = "backend.php?op=logout";
 252 }
 253
 254 function gotoMain() {
 255         document.location.href = "index.php";
 256 }
 257
 258 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 259   * * @author Sundar Dorai-Raj
 260   * * Email: sdoraira@vt.edu
 261   * * This program is free software; you can redistribute it and/or
 262   * * modify it under the terms of the GNU General Public License
 263   * * as published by the Free Software Foundation; either version 2
 264   * * of the License, or (at your option) any later version,
 265   * * provided that any use properly credits the author.
 266   * * This program is distributed in the hope that it will be useful,
 267   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 268   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 269   * * GNU General Public License for more details at http://www.gnu.org * * */
 270
 271   var numbers=".0123456789";
 272   function isNumeric(x) {
 273     // is x a String or a character?
 274     if(x.length>1) {
 275       // remove negative sign
 276       x=Math.abs(x)+"";
 277       for(var j=0;j<x.length;j++) {
 278         // call isNumeric recursively for each character
 279         number=isNumeric(x.substring(j,j+1));
 280         if(!number) return number;
 281       }
 282       return number;
 283     }
 284     else {
 285       // if x is number return true
 286       if(numbers.indexOf(x)>=0) return true;
 287       return false;
 288     }
 289   }
 290
 291
 292 function toggleSelectRowById(sender, id) {
 293         var row = $(id);
 294         return toggleSelectRow(sender, row);
 295 }
 296
 297 function toggleSelectListRow(sender) {
 298         var row = sender.parentNode;
 299         return toggleSelectRow(sender, row);
 300 }
 301
 302 /* this is for dijit Checkbox */
 303 function toggleSelectListRow2(sender) {
 304         var row = sender.domNode.parentNode;
 305         return toggleSelectRow(sender, row);
 306 }
 307
 308 /* this is for dijit Checkbox */
 309 function toggleSelectRow2(sender, row, is_cdm) {
 310
 311         if (!row)
 312                 if (!is_cdm)
 313                         row = sender.domNode.parentNode.parentNode;
 314                 else
 315                         row = sender.domNode.parentNode.parentNode.parentNode; // oh ffs
 316
 317         if (sender.checked && !row.hasClassName('Selected'))
 318                 row.addClassName('Selected');
 319         else
 320                 row.removeClassName('Selected');
 321
 322         if (typeof updateSelectedPrompt != undefined)
 323                 updateSelectedPrompt();
 324 }
 325
 326
 327 function toggleSelectRow(sender, row) {
 328
 329         if (!row) row = sender.parentNode.parentNode;
 330
 331         if (sender.checked && !row.hasClassName('Selected'))
 332                 row.addClassName('Selected');
 333         else
 334                 row.removeClassName('Selected');
 335
 336         if (typeof updateSelectedPrompt != undefined)
 337                 updateSelectedPrompt();
 338 }
 339
 340 function checkboxToggleElement(elem, id) {
 341         if (elem.checked) {
 342                 Effect.Appear(id, {duration : 0.5});
 343         } else {
 344                 Effect.Fade(id, {duration : 0.5});
 345         }
 346 }
 347
 348 function dropboxSelect(e, v) {
 349         for (var i = 0; i < e.length; i++) {
 350                 if (e[i].value == v) {
 351                         e.selectedIndex = i;
 352                         break;
 353                 }
 354         }
 355 }
 356
 357 function getURLParam(param){
 358         return String(window.location.href).parseQuery()[param];
 359 }
 360
 361 function closeInfoBox(cleanup) {
 362         dialog = dijit.byId("infoBox");
 363
 364         if (dialog)     dialog.hide();
 365
 366         return false;
 367 }
 368
 369
 370 function displayDlg(title, id, param, callback) {
 371
 372         notify_progress("Loading, please wait...", true);
 373
 374         var query = "?op=dlg&method=" +
 375                 param_escape(id) + "&param=" + param_escape(param);
 376
 377         new Ajax.Request("backend.php", {
 378                 parameters: query,
 379                 onComplete: function (transport) {
 380                         infobox_callback2(transport, title);
 381                         if (callback) callback(transport);
 382                 } });
 383
 384         return false;
 385 }
 386
 387 function infobox_callback2(transport, title) {
 388         var dialog = false;
 389
 390         if (dijit.byId("infoBox")) {
 391                 dialog = dijit.byId("infoBox");
 392         }
 393
 394         //console.log("infobox_callback2");
 395         notify('');
 396
 397         var content = transport.responseText;
 398
 399         if (!dialog) {
 400                 dialog = new dijit.Dialog({
 401                         title: title,
 402                         id: 'infoBox',
 403                         style: "width: 600px",
 404                         onCancel: function() {
 405                                 return true;
 406                         },
 407                         onExecute: function() {
 408                                 return true;
 409                         },
 410                         onClose: function() {
 411                                 return true;
 412                                 },
 413                         content: content});
 414         } else {
 415                 dialog.attr('title', title);
 416                 dialog.attr('content', content);
 417         }
 418
 419         dialog.show();
 420
 421         notify("");
 422 }
 423
 424 function getInitParam(key) {
 425         return init_params[key];
 426 }
 427
 428 function setInitParam(key, value) {
 429         init_params[key] = value;
 430 }
 431
 432 function fatalError(code, msg, ext_info) {
 433         if (code == 6) {
 434                 window.location.href = "index.php";
 435         } else if (code == 5) {
 436                 window.location.href = "public.php?op=dbupdate";
 437         } else {
 438
 439                 if (msg == "") msg = "Unknown error";
 440
 441                 if (ext_info) {
 442                         if (ext_info.responseText) {
 443                                 ext_info = ext_info.responseText;
 444                         }
 445                 }
 446
 447                 if (ERRORS && ERRORS[code] && !msg) {
 448                         msg = ERRORS[code];
 449                 }
 450
 451                 var content = "<div><b>Error code:</b> " + code + "</div>" +
 452                         "<p>" + msg + "</p>";
 453
 454                 if (ext_info) {
 455                         content = content + "<div><b>Additional information:</b></div>" +
 456                                 "<textarea style='width: 100%' readonly=\"1\">" +
 457                                 ext_info + "</textarea>";
 458                 }
 459
 460                 var dialog = new dijit.Dialog({
 461                         title: "Fatal error",
 462                         style: "width: 600px",
 463                         content: content});
 464
 465                 dialog.show();
 466
 467         }
 468
 469         return false;
 470
 471 }
 472
 473 function filterDlgCheckAction(sender) {
 474         var action = sender.value;
 475
 476         var action_param = $("filterDlg_paramBox");
 477
 478         if (!action_param) {
 479                 console.log("filterDlgCheckAction: can't find action param box!");
 480                 return;
 481         }
 482
 483         // if selected action supports parameters, enable params field
 484         if (action == 4 || action == 6 || action == 7 || action == 9) {
 485                 new Effect.Appear(action_param, {duration : 0.5});
 486
 487                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 488                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 489                 Element.hide(dijit.byId("filterDlg_actionParamPlugin").domNode);
 490
 491                 if (action == 7) {
 492                         Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 493                 } else if (action == 9) {
 494                         Element.show(dijit.byId("filterDlg_actionParamPlugin").domNode);
 495                 } else {
 496                         Element.show(dijit.byId("filterDlg_actionParam").domNode);
 497                 }
 498
 499         } else {
 500                 Element.hide(action_param);
 501         }
 502 }
 503
 504
 505 function explainError(code) {
 506         return displayDlg(__("Error explained"), "explainError", code);
 507 }
 508
 509 function loading_set_progress(p) {
 510         loading_progress += p;
 511
 512         if (dijit.byId("loading_bar"))
 513                 dijit.byId("loading_bar").update({progress: loading_progress});
 514
 515         if (loading_progress >= 90)
 516                 remove_splash();
 517
 518 }
 519
 520 function remove_splash() {
 521
 522         if (Element.visible("overlay")) {
 523                 console.log("about to remove splash, OMG!");
 524                 Element.hide("overlay");
 525                 console.log("removed splash!");
 526         }
 527 }
 528
 529 function strip_tags(s) {
 530         return s.replace(/<\/?[^>]+(>|$)/g, "");
 531 }
 532
 533 function truncate_string(s, length) {
 534         if (!length) length = 30;
 535         var tmp = s.substring(0, length);
 536         if (s.length > length) tmp += "&hellip;";
 537         return tmp;
 538 }
 539
 540 function hotkey_prefix_timeout() {
 541
 542         var date = new Date();
 543         var ts = Math.round(date.getTime() / 1000);
 544
 545         if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 546                 console.log("hotkey_prefix seems to be stuck, aborting");
 547                 hotkey_prefix_pressed = false;
 548                 hotkey_prefix = false;
 549                 Element.hide('cmdline');
 550         }
 551
 552         setTimeout(hotkey_prefix_timeout, 1000);
 553
 554 }
 555
 556 function uploadIconHandler(rc) {
 557         switch (rc) {
 558                 case 0:
 559                         notify_info("Upload complete.");
 560                         if (inPreferences()) {
 561                                 updateFeedList();
 562                         } else {
 563                                 setTimeout('updateFeedList(false, false)', 50);
 564                         }
 565                         break;
 566                 case 1:
 567                         notify_error("Upload failed: icon is too big.");
 568                         break;
 569                 case 2:
 570                         notify_error("Upload failed.");
 571                         break;
 572         }
 573 }
 574
 575 function removeFeedIcon(id) {
 576         if (confirm(__("Remove stored feed icon?"))) {
 577                 var query = "backend.php?op=pref-feeds&method=removeicon&feed_id=" + param_escape(id);
 578
 579                 console.log(query);
 580
 581                 notify_progress("Removing feed icon...", true);
 582
 583                 new Ajax.Request("backend.php", {
 584                         parameters: query,
 585                         onComplete: function(transport) {
 586                                 notify_info("Feed icon removed.");
 587                                 if (inPreferences()) {
 588                                         updateFeedList();
 589                                 } else {
 590                                         setTimeout('updateFeedList(false, false)', 50);
 591                                 }
 592                         } });
 593         }
 594
 595         return false;
 596 }
 597
 598 function uploadFeedIcon() {
 599         var file = $("icon_file");
 600
 601         if (file.value.length == 0) {
 602                 alert(__("Please select an image file to upload."));
 603         } else {
 604                 if (confirm(__("Upload new icon for this feed?"))) {
 605                         notify_progress("Uploading, please wait...", true);
 606                         return true;
 607                 }
 608         }
 609
 610         return false;
 611 }
 612
 613 function addLabel(select, callback) {
 614
 615         var caption = prompt(__("Please enter label caption:"), "");
 616
 617         if (caption != undefined) {
 618
 619                 if (caption == "") {
 620                         alert(__("Can't create label: missing caption."));
 621                         return false;
 622                 }
 623
 624                 var query = "?op=pref-labels&method=add&caption=" +
 625                         param_escape(caption);
 626
 627                 if (select)
 628                         query += "&output=select";
 629
 630                 notify_progress("Loading, please wait...", true);
 631
 632                 if (inPreferences() && !select) active_tab = "labelConfig";
 633
 634                 new Ajax.Request("backend.php", {
 635                         parameters: query,
 636                         onComplete: function(transport) {
 637                                 if (callback) {
 638                                         callback(transport);
 639                                 } else if (inPreferences()) {
 640                                         updateLabelList();
 641                                 } else {
 642                                         updateFeedList();
 643                                 }
 644                 } });
 645
 646         }
 647
 648 }
 649
 650 function quickAddFeed() {
 651         var query = "backend.php?op=feeds&method=quickAddFeed";
 652
 653         // overlapping widgets
 654         if (dijit.byId("batchSubDlg")) dijit.byId("batchSubDlg").destroyRecursive();
 655         if (dijit.byId("feedAddDlg"))   dijit.byId("feedAddDlg").destroyRecursive();
 656
 657         var dialog = new dijit.Dialog({
 658                 id: "feedAddDlg",
 659                 title: __("Subscribe to Feed"),
 660                 style: "width: 600px",
 661                 show_error: function(msg) {
 662                         var elem = $("fadd_error_message");
 663
 664                         elem.innerHTML = msg;
 665
 666                         if (!Element.visible(elem))
 667                                 new Effect.Appear(elem);
 668
 669                 },
 670                 execute: function() {
 671                         if (this.validate()) {
 672                                 console.log(dojo.objectToQuery(this.attr('value')));
 673
 674                                 var feed_url = this.attr('value').feed;
 675
 676                                 Element.show("feed_add_spinner");
 677                                 Element.hide("fadd_error_message");
 678
 679                                 new Ajax.Request("backend.php", {
 680                                         parameters: dojo.objectToQuery(this.attr('value')),
 681                                         onComplete: function(transport) {
 682                                                 try {
 683
 684                                                         try {
 685                                                                 var reply = JSON.parse(transport.responseText);
 686                                                         } catch (e) {
 687                                                                 Element.hide("feed_add_spinner");
 688                                                                 alert(__("Failed to parse output. This can indicate server timeout and/or network issues. Backend output was logged to browser console."));
 689                                                                 console.log('quickAddFeed, backend returned:' + transport.responseText);
 690                                                                 return;
 691                                                         }
 692
 693                                                         var rc = reply['result'];
 694
 695                                                         notify('');
 696                                                         Element.hide("feed_add_spinner");
 697
 698                                                         console.log(rc);
 699
 700                                                         switch (parseInt(rc['code'])) {
 701                                                         case 1:
 702                                                                 dialog.hide();
 703                                                                 notify_info(__("Subscribed to %s").replace("%s", feed_url));
 704
 705                                                                 updateFeedList();
 706                                                                 break;
 707                                                         case 2:
 708                                                                 dialog.show_error(__("Specified URL seems to be invalid."));
 709                                                                 break;
 710                                                         case 3:
 711                                                                 dialog.show_error(__("Specified URL doesn't seem to contain any feeds."));
 712                                                                 break;
 713                                                         case 4:
 714                                                                 feeds = rc['feeds'];
 715
 716                                                                 Element.show("fadd_multiple_notify");
 717
 718                                                                 var select = dijit.byId("feedDlg_feedContainerSelect");
 719
 720                                                                 while (select.getOptions().length > 0)
 721                                                                         select.removeOption(0);
 722
 723                                                                 select.addOption({value: '', label: __("Expand to select feed")});
 724
 725                                                                 var count = 0;
 726                                                                 for (var feedUrl in feeds) {
 727                                                                         select.addOption({value: feedUrl, label: feeds[feedUrl]});
 728                                                                         count++;
 729                                                                 }
 730
 731                                                                 Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 732
 733                                                                 break;
 734                                                         case 5:
 735                                                                 dialog.show_error(__("Couldn't download the specified URL: %s").
 736                                                                                 replace("%s", rc['message']));
 737                                                                 break;
 738                                                         case 6:
 739                                                                 dialog.show_error(__("XML validation failed: %s").
 740                                                                                 replace("%s", rc['message']));
 741                                                                 break;
 742                                                                 break;
 743                                                         case 0:
 744                                                                 dialog.show_error(__("You are already subscribed to this feed."));
 745                                                                 break;
 746                                                         }
 747
 748                                                 } catch (e) {
 749                                                         console.error(transport.responseText);
 750                                                         exception_error(e);
 751                                                 }
 752
 753                                         } });
 754
 755                                 }
 756                 },
 757                 href: query});
 758
 759         dialog.show();
 760 }
 761
 762 function createNewRuleElement(parentNode, replaceNode) {
 763         var form = document.forms["filter_new_rule_form"];
 764
 765         //form.reg_exp.value = form.reg_exp.value.replace(/(<([^>]+)>)/ig,"");
 766
 767         var query = "backend.php?op=pref-filters&method=printrulename&rule="+
 768                 param_escape(dojo.formToJson(form));
 769
 770         console.log(query);
 771
 772         new Ajax.Request("backend.php", {
 773                 parameters: query,
 774                 onComplete: function (transport) {
 775                         try {
 776                                 var li = dojo.create("li");
 777
 778                                 var cb = dojo.create("input", { type: "checkbox" }, li);
 779
 780                                 new dijit.form.CheckBox({
 781                                         onChange: function() {
 782                                                 toggleSelectListRow2(this) },
 783                                 }, cb);
 784
 785                                 dojo.create("input", { type: "hidden",
 786                                         name: "rule[]",
 787                                         value: dojo.formToJson(form) }, li);
 788
 789                                 dojo.create("span", {
 790                                         onclick: function() {
 791                                                 dijit.byId('filterEditDlg').editRule(this);
 792                                         },
 793                                         innerHTML: transport.responseText }, li);
 794
 795                                 if (replaceNode) {
 796                                         parentNode.replaceChild(li, replaceNode);
 797                                 } else {
 798                                         parentNode.appendChild(li);
 799                                 }
 800                         } catch (e) {
 801                                 exception_error(e);
 802                         }
 803         } });
 804 }
 805
 806 function createNewActionElement(parentNode, replaceNode) {
 807         var form = document.forms["filter_new_action_form"];
 808
 809         if (form.action_id.value == 7) {
 810                 form.action_param.value = form.action_param_label.value;
 811         } else if (form.action_id.value == 9) {
 812                 form.action_param.value = form.action_param_plugin.value;
 813         }
 814
 815         var query = "backend.php?op=pref-filters&method=printactionname&action="+
 816                 param_escape(dojo.formToJson(form));
 817
 818         console.log(query);
 819
 820         new Ajax.Request("backend.php", {
 821                 parameters: query,
 822                 onComplete: function (transport) {
 823                         try {
 824                                 var li = dojo.create("li");
 825
 826                                 var cb = dojo.create("input", { type: "checkbox" }, li);
 827
 828                                 new dijit.form.CheckBox({
 829                                         onChange: function() {
 830                                                 toggleSelectListRow2(this) },
 831                                 }, cb);
 832
 833                                 dojo.create("input", { type: "hidden",
 834                                         name: "action[]",
 835                                         value: dojo.formToJson(form) }, li);
 836
 837                                 dojo.create("span", {
 838                                         onclick: function() {
 839                                                 dijit.byId('filterEditDlg').editAction(this);
 840                                         },
 841                                         innerHTML: transport.responseText }, li);
 842
 843                                 if (replaceNode) {
 844                                         parentNode.replaceChild(li, replaceNode);
 845                                 } else {
 846                                         parentNode.appendChild(li);
 847                                 }
 848
 849                         } catch (e) {
 850                                 exception_error(e);
 851                         }
 852                 } });
 853 }
 854
 855
 856 function addFilterRule(replaceNode, ruleStr) {
 857         if (dijit.byId("filterNewRuleDlg"))
 858                 dijit.byId("filterNewRuleDlg").destroyRecursive();
 859
 860         var query = "backend.php?op=pref-filters&method=newrule&rule=" +
 861                 param_escape(ruleStr);
 862
 863         var rule_dlg = new dijit.Dialog({
 864                 id: "filterNewRuleDlg",
 865                 title: ruleStr ? __("Edit rule") : __("Add rule"),
 866                 style: "width: 600px",
 867                 execute: function() {
 868                         if (this.validate()) {
 869                                 createNewRuleElement($("filterDlg_Matches"), replaceNode);
 870                                 this.hide();
 871                         }
 872                 },
 873                 href: query});
 874
 875         rule_dlg.show();
 876 }
 877
 878 function addFilterAction(replaceNode, actionStr) {
 879         if (dijit.byId("filterNewActionDlg"))
 880                 dijit.byId("filterNewActionDlg").destroyRecursive();
 881
 882         var query = "backend.php?op=pref-filters&method=newaction&action=" +
 883                 param_escape(actionStr);
 884
 885         var rule_dlg = new dijit.Dialog({
 886                 id: "filterNewActionDlg",
 887                 title: actionStr ? __("Edit action") : __("Add action"),
 888                 style: "width: 600px",
 889                 execute: function() {
 890                         if (this.validate()) {
 891                                 createNewActionElement($("filterDlg_Actions"), replaceNode);
 892                                 this.hide();
 893                         }
 894                 },
 895                 href: query});
 896
 897         rule_dlg.show();
 898 }
 899
 900 function editFilterTest(query) {
 901
 902         if (dijit.byId("filterTestDlg"))
 903                 dijit.byId("filterTestDlg").destroyRecursive();
 904
 905         var test_dlg = new dijit.Dialog({
 906                 id: "filterTestDlg",
 907                 title: "Test Filter",
 908                 style: "width: 600px",
 909                 results: 0,
 910                 limit: 100,
 911                 max_offset: 10000,
 912                 getTestResults: function(query, offset) {
 913                         var updquery = query + "&offset=" + offset + "&limit=" + test_dlg.limit;
 914
 915                         console.log("getTestResults:" + offset);
 916
 917                         new Ajax.Request("backend.php", {
 918                                 parameters: updquery,
 919                                 onComplete: function (transport) {
 920                                         try {
 921                                                 var result = JSON.parse(transport.responseText);
 922
 923                                                 if (result && dijit.byId("filterTestDlg") && dijit.byId("filterTestDlg").open) {
 924                                                         test_dlg.results += result.size();
 925
 926                                                         console.log("got results:" + result.size());
 927
 928                                                         $("prefFilterProgressMsg").innerHTML = __("Looking for articles (%d processed, %f found)...")
 929                                                                 .replace("%f", test_dlg.results)
 930                                                                 .replace("%d", offset);
 931
 932                                                         console.log(offset + " " + test_dlg.max_offset);
 933
 934                                                         for (var i = 0; i < result.size(); i++) {
 935                                                                 var tmp = new Element("table");
 936                                                                 tmp.innerHTML = result[i];
 937                                                                 dojo.parser.parse(tmp);
 938
 939                                                                 $("prefFilterTestResultList").innerHTML += tmp.innerHTML;
 940                                                         }
 941
 942                                                         if (test_dlg.results < 30 && offset < test_dlg.max_offset) {
 943
 944                                                                 // get the next batch
 945                                                                 window.setTimeout(function () {
 946                                                                         test_dlg.getTestResults(query, offset + test_dlg.limit);
 947                                                                 }, 0);
 948
 949                                                         } else {
 950                                                                 // all done
 951
 952                                                                 Element.hide("prefFilterLoadingIndicator");
 953
 954                                                                 if (test_dlg.results == 0) {
 955                                                                         $("prefFilterTestResultList").innerHTML = "<tr><td align='center'>No recent articles matching this filter have been found.</td></tr>";
 956                                                                         $("prefFilterProgressMsg").innerHTML = "Articles matching this filter:";
 957                                                                 } else {
 958                                                                         $("prefFilterProgressMsg").innerHTML = __("Found %d articles matching this filter:")
 959                                                                                 .replace("%d", test_dlg.results);
 960                                                                 }
 961
 962                                                         }
 963
 964                                                 } else if (!result) {
 965                                                         console.log("getTestResults: can't parse results object");
 966
 967                                                         Element.hide("prefFilterLoadingIndicator");
 968
 969                                                         notify_error("Error while trying to get filter test results.");
 970
 971                                                 } else {
 972                                                         console.log("getTestResults: dialog closed, bailing out.");
 973                                                 }
 974                                         } catch (e) {
 975                                                 exception_error(e);
 976                                         }
 977
 978                                 } });
 979                 },
 980                 href: query});
 981
 982         dojo.connect(test_dlg, "onLoad", null, function(e) {
 983                 test_dlg.getTestResults(query, 0);
 984         });
 985
 986         test_dlg.show();
 987
 988 }
 989
 990 function quickAddFilter() {
 991         var query = "";
 992         if (!inPreferences()) {
 993                 query = "backend.php?op=pref-filters&method=newfilter&feed=" +
 994                         param_escape(getActiveFeedId()) + "&is_cat=" +
 995                         param_escape(activeFeedIsCat());
 996         } else {
 997                 query = "backend.php?op=pref-filters&method=newfilter";
 998         }
 999
1000         console.log(query);
1001
1002         if (dijit.byId("feedEditDlg"))
1003                 dijit.byId("feedEditDlg").destroyRecursive();
1004
1005         if (dijit.byId("filterEditDlg"))
1006                 dijit.byId("filterEditDlg").destroyRecursive();
1007
1008         dialog = new dijit.Dialog({
1009                 id: "filterEditDlg",
1010                 title: __("Create Filter"),
1011                 style: "width: 600px",
1012                 test: function() {
1013                         var query = "backend.php?" + dojo.formToQuery("filter_new_form") + "&savemode=test";
1014
1015                         editFilterTest(query);
1016                 },
1017                 selectRules: function(select) {
1018                         $$("#filterDlg_Matches input[type=checkbox]").each(function(e) {
1019                                 e.checked = select;
1020                                 if (select)
1021                                         e.parentNode.addClassName("Selected");
1022                                 else
1023                                         e.parentNode.removeClassName("Selected");
1024                         });
1025                 },
1026                 selectActions: function(select) {
1027                         $$("#filterDlg_Actions input[type=checkbox]").each(function(e) {
1028                                 e.checked = select;
1029
1030                                 if (select)
1031                                         e.parentNode.addClassName("Selected");
1032                                 else
1033                                         e.parentNode.removeClassName("Selected");
1034
1035                         });
1036                 },
1037                 editRule: function(e) {
1038                         var li = e.parentNode;
1039                         var rule = li.getElementsByTagName("INPUT")[1].value;
1040                         addFilterRule(li, rule);
1041                 },
1042                 editAction: function(e) {
1043                         var li = e.parentNode;
1044                         var action = li.getElementsByTagName("INPUT")[1].value;
1045                         addFilterAction(li, action);
1046                 },
1047                 addAction: function() { addFilterAction(); },
1048                 addRule: function() { addFilterRule(); },
1049                 deleteAction: function() {
1050                         $$("#filterDlg_Actions li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1051                 },
1052                 deleteRule: function() {
1053                         $$("#filterDlg_Matches li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1054                 },
1055                 execute: function() {
1056                         if (this.validate()) {
1057
1058                                 var query = dojo.formToQuery("filter_new_form");
1059
1060                                 console.log(query);
1061
1062                                 new Ajax.Request("backend.php", {
1063                                         parameters: query,
1064                                         onComplete: function (transport) {
1065                                                 if (inPreferences()) {
1066                                                         updateFilterList();
1067                                                 }
1068
1069                                                 dialog.hide();
1070                                 } });
1071                         }
1072                 },
1073                 href: query});
1074
1075         if (!inPreferences()) {
1076                 var selectedText = getSelectionText();
1077
1078                 var lh = dojo.connect(dialog, "onLoad", function(){
1079                         dojo.disconnect(lh);
1080
1081                         if (selectedText != "") {
1082
1083                                 var feed_id = activeFeedIsCat() ? 'CAT:' + parseInt(getActiveFeedId()) :
1084                                         getActiveFeedId();
1085
1086                                 var rule = { reg_exp: selectedText, feed_id: [feed_id], filter_type: 1 };
1087
1088                                 addFilterRule(null, dojo.toJson(rule));
1089
1090                         } else {
1091
1092                                 var query = "op=rpc&method=getlinktitlebyid&id=" + getActiveArticleId();
1093
1094                                 new Ajax.Request("backend.php", {
1095                                 parameters: query,
1096                                 onComplete: function(transport) {
1097                                         var reply = JSON.parse(transport.responseText);
1098
1099                                         var title = false;
1100
1101                                         if (reply && reply) title = reply.title;
1102
1103                                         if (title || getActiveFeedId() || activeFeedIsCat()) {
1104
1105                                                 console.log(title + " " + getActiveFeedId());
1106
1107                                                 var feed_id = activeFeedIsCat() ? 'CAT:' + parseInt(getActiveFeedId()) :
1108                                                         getActiveFeedId();
1109
1110                                                 var rule = { reg_exp: title, feed_id: [feed_id], filter_type: 1 };
1111
1112                                                 addFilterRule(null, dojo.toJson(rule));
1113                                         }
1114
1115                                 } });
1116
1117                         }
1118
1119                 });
1120         }
1121
1122         dialog.show();
1123
1124 }
1125
1126 function unsubscribeFeed(feed_id, title) {
1127
1128         var msg = __("Unsubscribe from %s?").replace("%s", title);
1129
1130         if (title == undefined || confirm(msg)) {
1131                 notify_progress("Removing feed...");
1132
1133                 var query = "?op=pref-feeds&quiet=1&method=remove&ids=" + feed_id;
1134
1135                 new Ajax.Request("backend.php", {
1136                         parameters: query,
1137                         onComplete: function(transport) {
1138
1139                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1140
1141                                         if (inPreferences()) {
1142                                                 updateFeedList();
1143                                         } else {
1144                                                 if (feed_id == getActiveFeedId())
1145                                                         setTimeout(function() { viewfeed({feed:-5}) }, 100);
1146
1147                                                 if (feed_id < 0) updateFeedList();
1148                                         }
1149
1150                                 } });
1151         }
1152
1153         return false;
1154 }
1155
1156
1157 function backend_sanity_check_callback(transport) {
1158
1159         if (sanity_check_done) {
1160                 fatalError(11, "Sanity check request received twice. This can indicate "+
1161                   "presence of Firebug or some other disrupting extension. "+
1162                         "Please disable it and try again.");
1163                 return;
1164         }
1165
1166         var reply = JSON.parse(transport.responseText);
1167
1168         if (!reply) {
1169                 fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1170                 return;
1171         }
1172
1173         var error_code = reply['error']['code'];
1174
1175         if (error_code && error_code != 0) {
1176                 return fatalError(error_code, reply['error']['message']);
1177         }
1178
1179         console.log("sanity check ok");
1180
1181         var params = reply['init-params'];
1182
1183         if (params) {
1184                 console.log('reading init-params...');
1185
1186                 for (k in params) {
1187                         console.log("IP: " + k + " => " + JSON.stringify(params[k]));
1188                         if (k == "label_base_index") _label_base_index = parseInt(params[k]);
1189                 }
1190
1191                 init_params = params;
1192
1193                 // PluginHost might not be available on non-index pages
1194                 window.PluginHost && PluginHost.run(PluginHost.HOOK_PARAMS_LOADED, init_params);
1195         }
1196
1197         sanity_check_done = true;
1198
1199         init_second_stage();
1200
1201 }
1202
1203 function genUrlChangeKey(feed, is_cat) {
1204         var ok = confirm(__("Generate new syndication address for this feed?"));
1205
1206         if (ok) {
1207
1208                 notify_progress("Trying to change address...", true);
1209
1210                 var query = "?op=pref-feeds&method=regenFeedKey&id=" + param_escape(feed) +
1211                         "&is_cat=" + param_escape(is_cat);
1212
1213                 new Ajax.Request("backend.php", {
1214                         parameters: query,
1215                         onComplete: function(transport) {
1216                                         var reply = JSON.parse(transport.responseText);
1217                                         var new_link = reply.link;
1218
1219                                         var e = $('gen_feed_url');
1220
1221                                         if (new_link) {
1222
1223                                                 e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1224                                                         "&amp;key=" + new_link);
1225
1226                                                 e.href = e.href.replace(/\&key=.*$/,
1227                                                         "&key=" + new_link);
1228
1229                                                 new Effect.Highlight(e);
1230
1231                                                 notify('');
1232
1233                                         } else {
1234                                                 notify_error("Could not change feed URL.");
1235                                         }
1236                         } });
1237         }
1238         return false;
1239 }
1240
1241 // mode = all, none, invert
1242 function selectTableRows(id, mode) {
1243         var rows = $(id).rows;
1244
1245         for (var i = 0; i < rows.length; i++) {
1246                 var row = rows[i];
1247                 var cb = false;
1248                 var dcb = false;
1249
1250                 if (row.id && row.className) {
1251                         var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1252                         var inputs = rows[i].getElementsByTagName("input");
1253
1254                         for (var j = 0; j < inputs.length; j++) {
1255                                 var input = inputs[j];
1256
1257                                 if (input.getAttribute("type") == "checkbox" &&
1258                                                 input.id.match(bare_id)) {
1259
1260                                         cb = input;
1261                                         dcb = dijit.getEnclosingWidget(cb);
1262                                         break;
1263                                 }
1264                         }
1265
1266                         if (cb || dcb) {
1267                                 var issel = row.hasClassName("Selected");
1268
1269                                 if (mode == "all" && !issel) {
1270                                         row.addClassName("Selected");
1271                                         cb.checked = true;
1272                                         if (dcb) dcb.set("checked", true);
1273                                 } else if (mode == "none" && issel) {
1274                                         row.removeClassName("Selected");
1275                                         cb.checked = false;
1276                                         if (dcb) dcb.set("checked", false);
1277
1278                                 } else if (mode == "invert") {
1279
1280                                         if (issel) {
1281                                                 row.removeClassName("Selected");
1282                                                 cb.checked = false;
1283                                                 if (dcb) dcb.set("checked", false);
1284                                         } else {
1285                                                 row.addClassName("Selected");
1286                                                 cb.checked = true;
1287                                                 if (dcb) dcb.set("checked", true);
1288                                         }
1289                                 }
1290                         }
1291                 }
1292         }
1293
1294 }
1295
1296 function getSelectedTableRowIds(id) {
1297         var rows = [];
1298
1299         var elem_rows = $(id).rows;
1300
1301         for (var i = 0; i < elem_rows.length; i++) {
1302                 if (elem_rows[i].hasClassName("Selected")) {
1303                         var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1304                         rows.push(bare_id);
1305                 }
1306         }
1307
1308         return rows;
1309 }
1310
1311 function editFeed(feed, event) {
1312         if (feed <= 0)
1313                 return alert(__("You can't edit this kind of feed."));
1314
1315         var query = "backend.php?op=pref-feeds&method=editfeed&id=" +
1316                 param_escape(feed);
1317
1318         console.log(query);
1319
1320         if (dijit.byId("filterEditDlg"))
1321                 dijit.byId("filterEditDlg").destroyRecursive();
1322
1323         if (dijit.byId("feedEditDlg"))
1324                 dijit.byId("feedEditDlg").destroyRecursive();
1325
1326         dialog = new dijit.Dialog({
1327                 id: "feedEditDlg",
1328                 title: __("Edit Feed"),
1329                 style: "width: 600px",
1330                 execute: function() {
1331                         if (this.validate()) {
1332 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1333
1334                                 notify_progress("Saving data...", true);
1335
1336                                 new Ajax.Request("backend.php", {
1337                                         parameters: dojo.objectToQuery(dialog.attr('value')),
1338                                         onComplete: function(transport) {
1339                                                 dialog.hide();
1340                                                 notify('');
1341                                                 updateFeedList();
1342                                 }});
1343                         }
1344                 },
1345                 href: query});
1346
1347         dialog.show();
1348 }
1349
1350 function feedBrowser() {
1351         var query = "backend.php?op=feeds&method=feedBrowser";
1352
1353         if (dijit.byId("feedAddDlg"))
1354                 dijit.byId("feedAddDlg").hide();
1355
1356         if (dijit.byId("feedBrowserDlg"))
1357                 dijit.byId("feedBrowserDlg").destroyRecursive();
1358
1359         var dialog = new dijit.Dialog({
1360                 id: "feedBrowserDlg",
1361                 title: __("More Feeds"),
1362                 style: "width: 600px",
1363                 getSelectedFeedIds: function () {
1364                         var list = $$("#browseFeedList li[id*=FBROW]");
1365                         var selected = new Array();
1366
1367                         list.each(function (child) {
1368                                 var id = child.id.replace("FBROW-", "");
1369
1370                                 if (child.hasClassName('Selected')) {
1371                                         selected.push(id);
1372                                 }
1373                         });
1374
1375                         return selected;
1376                 },
1377                 getSelectedFeeds: function () {
1378                         var list = $$("#browseFeedList li.Selected");
1379                         var selected = new Array();
1380
1381                         list.each(function (child) {
1382                                 var title = child.getElementsBySelector("span.fb_feedTitle")[0].innerHTML;
1383                                 var url = child.getElementsBySelector("a.fb_feedUrl")[0].href;
1384
1385                                 selected.push([title, url]);
1386
1387                         });
1388
1389                         return selected;
1390                 },
1391
1392                 subscribe: function () {
1393                         var mode = this.attr('value').mode;
1394                         var selected = [];
1395
1396                         if (mode == "1")
1397                                 selected = this.getSelectedFeeds();
1398                         else
1399                                 selected = this.getSelectedFeedIds();
1400
1401                         if (selected.length > 0) {
1402                                 dijit.byId("feedBrowserDlg").hide();
1403
1404                                 notify_progress("Loading, please wait...", true);
1405
1406                                 // we use dojo.toJson instead of JSON.stringify because
1407                                 // it somehow escapes everything TWICE, at least in Chrome 9
1408
1409                                 var query = "?op=rpc&method=massSubscribe&payload=" +
1410                                         param_escape(dojo.toJson(selected)) + "&mode=" + param_escape(mode);
1411
1412                                 console.log(query);
1413
1414                                 new Ajax.Request("backend.php", {
1415                                         parameters: query,
1416                                         onComplete: function (transport) {
1417                                                 notify('');
1418                                                 updateFeedList();
1419                                         }
1420                                 });
1421
1422                         } else {
1423                                 alert(__("No feeds are selected."));
1424                         }
1425
1426                 },
1427                 update: function () {
1428                         var query = dojo.objectToQuery(dialog.attr('value'));
1429
1430                         Element.show('feed_browser_spinner');
1431
1432                         new Ajax.Request("backend.php", {
1433                                 parameters: query,
1434                                 onComplete: function (transport) {
1435                                         notify('');
1436
1437                                         Element.hide('feed_browser_spinner');
1438
1439                                         var c = $("browseFeedList");
1440
1441                                         var reply = JSON.parse(transport.responseText);
1442
1443                                         var r = reply['content'];
1444                                         var mode = reply['mode'];
1445
1446                                         if (c && r) {
1447                                                 c.innerHTML = r;
1448                                         }
1449
1450                                         dojo.parser.parse("browseFeedList");
1451
1452                                         if (mode == 2) {
1453                                                 Element.show(dijit.byId('feed_archive_remove').domNode);
1454                                         } else {
1455                                                 Element.hide(dijit.byId('feed_archive_remove').domNode);
1456                                         }
1457
1458                                 }
1459                         });
1460                 },
1461                 removeFromArchive: function () {
1462                         var selected = this.getSelectedFeedIds();
1463
1464                         if (selected.length > 0) {
1465
1466                                 var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1467
1468                                 if (confirm(pr)) {
1469                                         Element.show('feed_browser_spinner');
1470
1471                                         var query = "?op=rpc&method=remarchive&ids=" +
1472                                                 param_escape(selected.toString());
1473                                         ;
1474
1475                                         new Ajax.Request("backend.php", {
1476                                                 parameters: query,
1477                                                 onComplete: function (transport) {
1478                                                         dialog.update();
1479                                                 }
1480                                         });
1481                                 }
1482                         }
1483                 },
1484                 execute: function () {
1485                         if (this.validate()) {
1486                                 this.subscribe();
1487                         }
1488                 },
1489                 href: query
1490         });
1491
1492         dialog.show();
1493 }
1494
1495 function showFeedsWithErrors() {
1496         var query = "backend.php?op=pref-feeds&method=feedsWithErrors";
1497
1498         if (dijit.byId("errorFeedsDlg"))
1499                 dijit.byId("errorFeedsDlg").destroyRecursive();
1500
1501         dialog = new dijit.Dialog({
1502                 id: "errorFeedsDlg",
1503                 title: __("Feeds with update errors"),
1504                 style: "width: 600px",
1505                 getSelectedFeeds: function() {
1506                         return getSelectedTableRowIds("prefErrorFeedList");
1507                 },
1508                 removeSelected: function() {
1509                         var sel_rows = this.getSelectedFeeds();
1510
1511                         console.log(sel_rows);
1512
1513                         if (sel_rows.length > 0) {
1514                                 var ok = confirm(__("Remove selected feeds?"));
1515
1516                                 if (ok) {
1517                                         notify_progress("Removing selected feeds...", true);
1518
1519                                         var query = "?op=pref-feeds&method=remove&ids="+
1520                                                 param_escape(sel_rows.toString());
1521
1522                                         new Ajax.Request("backend.php", {
1523                                                 parameters: query,
1524                                                 onComplete: function(transport) {
1525                                                         notify('');
1526                                                         dialog.hide();
1527                                                         updateFeedList();
1528                                                 } });
1529                                 }
1530
1531                         } else {
1532                                 alert(__("No feeds are selected."));
1533                         }
1534                 },
1535                 execute: function() {
1536                         if (this.validate()) {
1537                         }
1538                 },
1539                 href: query});
1540
1541         dialog.show();
1542 }
1543
1544 function get_timestamp() {
1545         var date = new Date();
1546         return Math.round(date.getTime() / 1000);
1547 }
1548
1549 function helpDialog(topic) {
1550         var query = "backend.php?op=backend&method=help&topic=" + param_escape(topic);
1551
1552         if (dijit.byId("helpDlg"))
1553                 dijit.byId("helpDlg").destroyRecursive();
1554
1555         dialog = new dijit.Dialog({
1556                 id: "helpDlg",
1557                 title: __("Help"),
1558                 style: "width: 600px",
1559                 href: query,
1560         });
1561
1562         dialog.show();
1563 }
1564
1565 function htmlspecialchars_decode (string, quote_style) {
1566   // http://kevin.vanzonneveld.net
1567   // +   original by: Mirek Slugen
1568   // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1569   // +   bugfixed by: Mateusz "loonquawl" Zalega
1570   // +      input by: ReverseSyntax
1571   // +      input by: Slawomir Kaniecki
1572   // +      input by: Scott Cariss
1573   // +      input by: Francois
1574   // +   bugfixed by: Onno Marsman
1575   // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1576   // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
1577   // +      input by: Ratheous
1578   // +      input by: Mailfaker (http://www.weedem.fr/)
1579   // +      reimplemented by: Brett Zamir (http://brett-zamir.me)
1580   // +    bugfixed by: Brett Zamir (http://brett-zamir.me)
1581   // *     example 1: htmlspecialchars_decode("<p>this -&gt; &quot;</p>", 'ENT_NOQUOTES');
1582   // *     returns 1: '<p>this -> &quot;</p>'
1583   // *     example 2: htmlspecialchars_decode("&amp;quot;");
1584   // *     returns 2: '&quot;'
1585   var optTemp = 0,
1586     i = 0,
1587     noquotes = false;
1588   if (typeof quote_style === 'undefined') {
1589     quote_style = 2;
1590   }
1591   string = string.toString().replace(/&lt;/g, '<').replace(/&gt;/g, '>');
1592   var OPTS = {
1593     'ENT_NOQUOTES': 0,
1594     'ENT_HTML_QUOTE_SINGLE': 1,
1595     'ENT_HTML_QUOTE_DOUBLE': 2,
1596     'ENT_COMPAT': 2,
1597     'ENT_QUOTES': 3,
1598     'ENT_IGNORE': 4
1599   };
1600   if (quote_style === 0) {
1601     noquotes = true;
1602   }
1603   if (typeof quote_style !== 'number') { // Allow for a single string or an array of string flags
1604     quote_style = [].concat(quote_style);
1605     for (i = 0; i < quote_style.length; i++) {
1606       // Resolve string input to bitwise e.g. 'PATHINFO_EXTENSION' becomes 4
1607       if (OPTS[quote_style[i]] === 0) {
1608         noquotes = true;
1609       } else if (OPTS[quote_style[i]]) {
1610         optTemp = optTemp | OPTS[quote_style[i]];
1611       }
1612     }
1613     quote_style = optTemp;
1614   }
1615   if (quote_style & OPTS.ENT_HTML_QUOTE_SINGLE) {
1616     string = string.replace(/&#0*39;/g, "'"); // PHP doesn't currently escape if more than one 0, but it should
1617     // string = string.replace(/&apos;|&#x0*27;/g, "'"); // This would also be useful here, but not a part of PHP
1618   }
1619   if (!noquotes) {
1620     string = string.replace(/&quot;/g, '"');
1621   }
1622   // Put this in last place to avoid escape being double-decoded
1623   string = string.replace(/&amp;/g, '&');
1624
1625   return string;
1626 }
1627
1628
1629 function label_to_feed_id(label) {
1630         return _label_base_index - 1 - Math.abs(label);
1631 }
1632
1633 function feed_to_label_id(feed) {
1634         return _label_base_index - 1 + Math.abs(feed);
1635 }
1636
1637 // http://stackoverflow.com/questions/6251937/how-to-get-selecteduser-highlighted-text-in-contenteditable-element-and-replac
1638
1639 function getSelectionText() {
1640         var text = "";
1641
1642         if (typeof window.getSelection != "undefined") {
1643                 var sel = window.getSelection();
1644                 if (sel.rangeCount) {
1645                         var container = document.createElement("div");
1646                         for (var i = 0, len = sel.rangeCount; i < len; ++i) {
1647                                 container.appendChild(sel.getRangeAt(i).cloneContents());
1648                         }
1649                         text = container.innerHTML;
1650                 }
1651         } else if (typeof document.selection != "undefined") {
1652                 if (document.selection.type == "Text") {
1653                         text = document.selection.createRange().textText;
1654                 }
1655         }
1656
1657         return text.stripTags();
1658 }
1659
1660 function openUrlPopup(url) {
1661         var w = window.open("");
1662
1663         w.opener = null;
1664         w.location = url;
1665 }
1666 function openArticlePopup(id) {
1667         var w = window.open("",
1668                 "ttrss_article_popup",
1669                 "height=900,width=900,resizable=yes,status=no,location=no,menubar=no,directories=no,scrollbars=yes,toolbar=no");
1670
1671         w.opener = null;
1672         w.location = "backend.php?op=article&method=view&mode=raw&html=1&zoom=1&id=" + id + "&csrf_token=" + getInitParam("csrf_token");
1673 }