functions.js

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