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                 // TODO: add code to automatically report errors to tt-rss.org
  47
  48                 var dialog = new dijit.Dialog({
  49                         title: "Unhandled exception",
  50                         style: "width: 600px",
  51                         content: content});
  52
  53                 dialog.show();
  54
  55         } catch (e) {
  56                 alert(msg);
  57         }
  58
  59 }
  60
  61 function format_exception_error(location, e) {
  62         var msg;
  63
  64         if (e.fileName) {
  65                 var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
  66
  67                 msg = "Exception: " + e.name + ", " + e.message +
  68                         "\nFunction: " + location + "()" +
  69                         "\nLocation: " + base_fname + ":" + e.lineNumber;
  70
  71         } else if (e.description) {
  72                 msg = "Exception: " + e.description + "\nFunction: " + location + "()";
  73         } else {
  74                 msg = "Exception: " + e + "\nFunction: " + location + "()";
  75         }
  76
  77         console.error("EXCEPTION: " + msg);
  78
  79         return msg;
  80 }
  81
  82 function param_escape(arg) {
  83         if (typeof encodeURIComponent != 'undefined')
  84                 return encodeURIComponent(arg);
  85         else
  86                 return escape(arg);
  87 }
  88
  89 function param_unescape(arg) {
  90         if (typeof decodeURIComponent != 'undefined')
  91                 return decodeURIComponent(arg);
  92         else
  93                 return unescape(arg);
  94 }
  95
  96 var notify_hide_timerid = false;
  97
  98 function hide_notify() {
  99         var n = $("notify");
 100         if (n) {
 101                 n.style.display = "none";
 102         }
 103 }
 104
 105 function notify_silent_next() {
 106         notify_silent = true;
 107 }
 108
 109 function notify_real(msg, no_hide, n_type) {
 110
 111         if (notify_silent) {
 112                 notify_silent = false;
 113                 return;
 114         }
 115
 116         var n = $("notify");
 117         var nb = $("notify_body");
 118
 119         if (!n || !nb) return;
 120
 121         if (notify_hide_timerid) {
 122                 window.clearTimeout(notify_hide_timerid);
 123         }
 124
 125         if (msg == "") {
 126                 if (n.style.display == "block") {
 127                         notify_hide_timerid = window.setTimeout("hide_notify()", 0);
 128                 }
 129                 return;
 130         } else {
 131                 n.style.display = "block";
 132         }
 133
 134         /* types:
 135
 136                 1 - generic
 137                 2 - progress
 138                 3 - error
 139                 4 - info
 140
 141         */
 142
 143         if (typeof __ != 'undefined') {
 144                 msg = __(msg);
 145         }
 146
 147         if (n_type == 1) {
 148                 n.className = "notify";
 149         } else if (n_type == 2) {
 150                 n.className = "notifyProgress";
 151                 msg = "<img src='"+getInitParam("sign_progress")+"'> " + msg;
 152         } else if (n_type == 3) {
 153                 n.className = "notifyError";
 154                 msg = "<img src='"+getInitParam("sign_excl")+"'> " + msg;
 155         } else if (n_type == 4) {
 156                 n.className = "notifyInfo";
 157                 msg = "<img src='"+getInitParam("sign_info")+"'> " + msg;
 158         }
 159
 160 //      msg = "<img src='images/live_com_loading.gif'> " + msg;
 161
 162         nb.innerHTML = msg;
 163
 164         if (!no_hide) {
 165                 notify_hide_timerid = window.setTimeout("hide_notify()", 3000);
 166         }
 167 }
 168
 169 function notify(msg, no_hide) {
 170         notify_real(msg, no_hide, 1);
 171 }
 172
 173 function notify_progress(msg, no_hide) {
 174         notify_real(msg, no_hide, 2);
 175 }
 176
 177 function notify_error(msg, no_hide) {
 178         notify_real(msg, no_hide, 3);
 179
 180 }
 181
 182 function notify_info(msg, no_hide) {
 183         notify_real(msg, no_hide, 4);
 184 }
 185
 186 function setCookie(name, value, lifetime, path, domain, secure) {
 187
 188         var d = false;
 189
 190         if (lifetime) {
 191                 d = new Date();
 192                 d.setTime(d.getTime() + (lifetime * 1000));
 193         }
 194
 195         console.log("setCookie: " + name + " => " + value + ": " + d);
 196
 197         int_setCookie(name, value, d, path, domain, secure);
 198
 199 }
 200
 201 function int_setCookie(name, value, expires, path, domain, secure) {
 202         document.cookie= name + "=" + escape(value) +
 203                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 204                 ((path) ? "; path=" + path : "") +
 205                 ((domain) ? "; domain=" + domain : "") +
 206                 ((secure) ? "; secure" : "");
 207 }
 208
 209 function delCookie(name, path, domain) {
 210         if (getCookie(name)) {
 211                 document.cookie = name + "=" +
 212                 ((path) ? ";path=" + path : "") +
 213                 ((domain) ? ";domain=" + domain : "" ) +
 214                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 215         }
 216 }
 217
 218
 219 function getCookie(name) {
 220
 221         var dc = document.cookie;
 222         var prefix = name + "=";
 223         var begin = dc.indexOf("; " + prefix);
 224         if (begin == -1) {
 225             begin = dc.indexOf(prefix);
 226             if (begin != 0) return null;
 227         }
 228         else {
 229             begin += 2;
 230         }
 231         var end = document.cookie.indexOf(";", begin);
 232         if (end == -1) {
 233             end = dc.length;
 234         }
 235         return unescape(dc.substring(begin + prefix.length, end));
 236 }
 237
 238 function gotoPreferences() {
 239         document.location.href = "prefs.php";
 240 }
 241
 242 function gotoMain() {
 243         document.location.href = "tt-rss.php";
 244 }
 245
 246 function gotoExportOpml() {
 247         document.location.href = "opml.php?op=Export";
 248 }
 249
 250
 251 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 252   * * @author Sundar Dorai-Raj
 253   * * Email: sdoraira@vt.edu
 254   * * This program is free software; you can redistribute it and/or
 255   * * modify it under the terms of the GNU General Public License
 256   * * as published by the Free Software Foundation; either version 2
 257   * * of the License, or (at your option) any later version,
 258   * * provided that any use properly credits the author.
 259   * * This program is distributed in the hope that it will be useful,
 260   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 261   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 262   * * GNU General Public License for more details at http://www.gnu.org * * */
 263
 264   var numbers=".0123456789";
 265   function isNumeric(x) {
 266     // is x a String or a character?
 267     if(x.length>1) {
 268       // remove negative sign
 269       x=Math.abs(x)+"";
 270       for(j=0;j<x.length;j++) {
 271         // call isNumeric recursively for each character
 272         number=isNumeric(x.substring(j,j+1));
 273         if(!number) return number;
 274       }
 275       return number;
 276     }
 277     else {
 278       // if x is number return true
 279       if(numbers.indexOf(x)>=0) return true;
 280       return false;
 281     }
 282   }
 283
 284
 285 function toggleSelectRowById(sender, id) {
 286         var row = $(id);
 287         return toggleSelectRow(sender, row);
 288 }
 289
 290 function toggleSelectListRow(sender) {
 291         var row = sender.parentNode;
 292         return toggleSelectRow(sender, row);
 293 }
 294
 295 /* this is for dijit Checkbox */
 296 function toggleSelectListRow2(sender) {
 297         var row = sender.domNode.parentNode;
 298         return toggleSelectRow(sender, row);
 299 }
 300
 301 function tSR(sender, row) {
 302         return toggleSelectRow(sender, row);
 303 }
 304
 305 /* this is for dijit Checkbox */
 306 function toggleSelectRow2(sender, row) {
 307
 308         if (!row) row = sender.domNode.parentNode.parentNode;
 309
 310         if (sender.checked && !row.hasClassName('Selected'))
 311                 row.addClassName('Selected');
 312         else
 313                 row.removeClassName('Selected');
 314 }
 315
 316
 317 function toggleSelectRow(sender, row) {
 318
 319         if (!row) row = sender.parentNode.parentNode;
 320
 321         if (sender.checked && !row.hasClassName('Selected'))
 322                 row.addClassName('Selected');
 323         else
 324                 row.removeClassName('Selected');
 325 }
 326
 327 function checkboxToggleElement(elem, id) {
 328         if (elem.checked) {
 329                 Effect.Appear(id, {duration : 0.5});
 330         } else {
 331                 Effect.Fade(id, {duration : 0.5});
 332         }
 333 }
 334
 335 function dropboxSelect(e, v) {
 336         for (i = 0; i < e.length; i++) {
 337                 if (e[i].value == v) {
 338                         e.selectedIndex = i;
 339                         break;
 340                 }
 341         }
 342 }
 343
 344 // originally stolen from http://www.11tmr.com/11tmr.nsf/d6plinks/MWHE-695L9Z
 345 // bugfixed just a little bit :-)
 346 function getURLParam(strParamName){
 347   var strReturn = "";
 348   var strHref = window.location.href;
 349
 350   if (strHref.indexOf("#") == strHref.length-1) {
 351                 strHref = strHref.substring(0, strHref.length-1);
 352   }
 353
 354   if ( strHref.indexOf("?") > -1 ){
 355     var strQueryString = strHref.substr(strHref.indexOf("?"));
 356     var aQueryString = strQueryString.split("&");
 357     for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
 358       if (aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
 359         var aParam = aQueryString[iParam].split("=");
 360         strReturn = aParam[1];
 361         break;
 362       }
 363     }
 364   }
 365   return strReturn;
 366 }
 367
 368 function leading_zero(p) {
 369         var s = String(p);
 370         if (s.length == 1) s = "0" + s;
 371         return s;
 372 }
 373
 374 function make_timestamp() {
 375         var d = new Date();
 376
 377         return leading_zero(d.getHours()) + ":" + leading_zero(d.getMinutes()) +
 378                         ":" + leading_zero(d.getSeconds());
 379 }
 380
 381
 382 function closeErrorBox() {
 383
 384         if (Element.visible("errorBoxShadow")) {
 385                 Element.hide("dialog_overlay");
 386                 Element.hide("errorBoxShadow");
 387         }
 388
 389         return false;
 390 }
 391
 392 function closeInfoBox(cleanup) {
 393         try {
 394                 dialog = dijit.byId("infoBox");
 395
 396                 if (dialog)     dialog.hide();
 397
 398         } catch (e) {
 399                 //exception_error("closeInfoBox", e);
 400         }
 401         return false;
 402 }
 403
 404
 405 function displayDlg(id, param, callback) {
 406
 407         notify_progress("Loading, please wait...", true);
 408
 409         var query = "?op=dlg&id=" +
 410                 param_escape(id) + "&param=" + param_escape(param);
 411
 412         new Ajax.Request("backend.php", {
 413                 parameters: query,
 414                 onComplete: function (transport) {
 415                         infobox_callback2(transport);
 416                         if (callback) callback(transport);
 417                 } });
 418
 419         return false;
 420 }
 421
 422 function infobox_callback2(transport) {
 423         try {
 424                 var dialog = false;
 425
 426                 if (dijit.byId("infoBox")) {
 427                         dialog = dijit.byId("infoBox");
 428                 }
 429
 430                 //console.log("infobox_callback2");
 431                 notify('');
 432
 433                 var content;
 434                 var dtitle = "Dialog";
 435
 436                 var dlg = transport.responseXML.getElementsByTagName("dlg")[0];
 437
 438                 var title = transport.responseXML.getElementsByTagName("title")[0];
 439                 if (title)
 440                         title = title.firstChild.nodeValue;
 441
 442                 var content = transport.responseXML.getElementsByTagName("content")[0];
 443
 444                 content = content.firstChild.nodeValue;
 445
 446                 if (!dialog) {
 447                         dialog = new dijit.Dialog({
 448                                 title: title,
 449                                 id: 'infoBox',
 450                                 style: "width: 600px",
 451                                 onCancel: function() {
 452                                         return true;
 453                                 },
 454                                 onExecute: function() {
 455                                         return true;
 456                                 },
 457                                 onClose: function() {
 458                                         return true;
 459                                         },
 460                                 content: content});
 461                 } else {
 462                         dialog.attr('title', title);
 463                         dialog.attr('content', content);
 464                 }
 465
 466                 dialog.show();
 467
 468                 notify("");
 469         } catch (e) {
 470                 exception_error("infobox_callback2", e);
 471         }
 472 }
 473
 474 function filterCR(e, f)
 475 {
 476      var key;
 477
 478      if(window.event)
 479           key = window.event.keyCode;     //IE
 480      else
 481           key = e.which;     //firefox
 482
 483         if (key == 13) {
 484                 if (typeof f != 'undefined') {
 485                         f();
 486                         return false;
 487                 } else {
 488                         return false;
 489                 }
 490         } else {
 491                 return true;
 492         }
 493 }
 494
 495 function getInitParam(key) {
 496         return init_params[key];
 497 }
 498
 499 function setInitParam(key, value) {
 500         init_params[key] = value;
 501 }
 502
 503 function fatalError(code, msg, ext_info) {
 504         try {
 505
 506                 if (!ext_info) ext_info = "N/A";
 507
 508                 if (code == 6) {
 509                         window.location.href = "tt-rss.php";
 510                 } else if (code == 5) {
 511                         window.location.href = "db-updater.php";
 512                 } else {
 513
 514                         if (msg == "") msg = "Unknown error";
 515
 516                         var ebc = $("xebContent");
 517
 518                         if (ebc) {
 519
 520                                 Element.show("dialog_overlay");
 521                                 Element.show("errorBoxShadow");
 522                                 Element.hide("xebBtn");
 523
 524                                 if (ext_info) {
 525                                         if (ext_info.responseText) {
 526                                                 ext_info = ext_info.responseText;
 527                                         }
 528                                 }
 529
 530                                 ebc.innerHTML =
 531                                         "<div><b>Error message:</b></div>" +
 532                                         "<pre>" + msg + "</pre>" +
 533                                         "<div><b>Additional information:</b></div>" +
 534                                         "<textarea readonly=\"1\">" + ext_info + "</textarea>";
 535                         }
 536                 }
 537
 538         } catch (e) {
 539                 exception_error("fatalError", e);
 540         }
 541 }
 542
 543 function filterDlgCheckType(sender) {
 544
 545         try {
 546
 547                 var ftype = sender.value;
 548
 549                 // if selected filter type is 5 (Date) enable the modifier dropbox
 550                 if (ftype == 5) {
 551                         Element.show("filterDlg_dateModBox");
 552                         Element.show("filterDlg_dateChkBox");
 553                 } else {
 554                         Element.hide("filterDlg_dateModBox");
 555                         Element.hide("filterDlg_dateChkBox");
 556
 557                 }
 558
 559         } catch (e) {
 560                 exception_error("filterDlgCheckType", e);
 561         }
 562
 563 }
 564
 565 function filterDlgCheckAction(sender) {
 566
 567         try {
 568
 569                 var action = sender.value;
 570
 571                 var action_param = $("filterDlg_paramBox");
 572
 573                 if (!action_param) {
 574                         console.log("filterDlgCheckAction: can't find action param box!");
 575                         return;
 576                 }
 577
 578                 // if selected action supports parameters, enable params field
 579                 if (action == 4 || action == 6 || action == 7) {
 580                         new Effect.Appear(action_param, {duration : 0.5});
 581                         if (action != 7) {
 582                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
 583                                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 584                         } else {
 585                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 586                                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 587                         }
 588                 } else {
 589                         Element.hide(action_param);
 590                 }
 591
 592         } catch (e) {
 593                 exception_error("filterDlgCheckAction", e);
 594         }
 595
 596 }
 597
 598 function filterDlgCheckDate() {
 599         try {
 600                 var dialog = dijit.byId("filterEditDlg");
 601
 602                 var reg_exp = dialog.attr('value').reg_exp;
 603
 604                 var query = "?op=rpc&subop=checkDate&date=" + reg_exp;
 605
 606                 new Ajax.Request("backend.php", {
 607                         parameters: query,
 608                         onComplete: function(transport) {
 609
 610                                 if (transport.responseXML) {
 611                                         var result = transport.responseXML.getElementsByTagName("result")[0];
 612
 613                                         if (result && result.firstChild) {
 614                                                 if (result.firstChild.nodeValue == "1") {
 615                                                         alert(__("Date syntax appears to be correct."));
 616                                                         return;
 617                                                 }
 618                                         }
 619                                 }
 620
 621                                 alert(__("Date syntax is incorrect."));
 622
 623                         } });
 624
 625
 626         } catch (e) {
 627                 exception_error("filterDlgCheckDate", e);
 628         }
 629 }
 630
 631 function explainError(code) {
 632         return displayDlg("explainError", code);
 633 }
 634
 635 function displayHelpInfobox(topic_id) {
 636
 637         var url = "backend.php?op=help&tid=" + param_escape(topic_id);
 638
 639         var w = window.open(url, "ttrss_help",
 640                 "status=0,toolbar=0,location=0,width=450,height=500,scrollbars=1,menubar=0");
 641
 642 }
 643
 644 function loading_set_progress(p) {
 645         try {
 646                 loading_progress += p;
 647
 648                 if (dijit.byId("loading_bar"))
 649                         dijit.byId("loading_bar").update({progress: loading_progress});
 650
 651                 if (loading_progress >= 90)
 652                         remove_splash();
 653
 654         } catch (e) {
 655                 exception_error("loading_set_progress", e);
 656         }
 657 }
 658
 659 function remove_splash() {
 660
 661         if (Element.visible("overlay")) {
 662                 console.log("about to remove splash, OMG!");
 663                 Element.hide("overlay");
 664                 console.log("removed splash!");
 665         }
 666 }
 667
 668 function transport_error_check(transport) {
 669         try {
 670                 if (transport.responseXML) {
 671                         var error = transport.responseXML.getElementsByTagName("error")[0];
 672
 673                         if (error) {
 674                                 var code = error.getAttribute("error-code");
 675                                 var msg = error.getAttribute("error-msg");
 676                                 if (code != 0) {
 677                                         fatalError(code, msg);
 678                                         return false;
 679                                 }
 680                         }
 681                 }
 682         } catch (e) {
 683                 exception_error("check_for_error_xml", e);
 684         }
 685         return true;
 686 }
 687
 688 function strip_tags(s) {
 689         return s.replace(/<\/?[^>]+(>|$)/g, "");
 690 }
 691
 692 function truncate_string(s, length) {
 693         if (!length) length = 30;
 694         var tmp = s.substring(0, length);
 695         if (s.length > length) tmp += "&hellip;";
 696         return tmp;
 697 }
 698
 699 function hotkey_prefix_timeout() {
 700         try {
 701
 702                 var date = new Date();
 703                 var ts = Math.round(date.getTime() / 1000);
 704
 705                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 706                         console.log("hotkey_prefix seems to be stuck, aborting");
 707                         hotkey_prefix_pressed = false;
 708                         hotkey_prefix = false;
 709                         Element.hide('cmdline');
 710                 }
 711
 712                 setTimeout("hotkey_prefix_timeout()", 1000);
 713
 714         } catch  (e) {
 715                 exception_error("hotkey_prefix_timeout", e);
 716         }
 717 }
 718
 719 function hideAuxDlg() {
 720         try {
 721                 Element.hide('auxDlg');
 722         } catch (e) {
 723                 exception_error("hideAuxDlg", e);
 724         }
 725 }
 726
 727
 728 function uploadIconHandler(rc) {
 729         try {
 730                 switch (rc) {
 731                         case 0:
 732                                 notify_info("Upload complete.");
 733                                 if (inPreferences()) {
 734                                         updateFeedList();
 735                                 } else {
 736                                         setTimeout('updateFeedList(false, false)', 50);
 737                                 }
 738                                 break;
 739                         case 1:
 740                                 notify_error("Upload failed: icon is too big.");
 741                                 break;
 742                         case 2:
 743                                 notify_error("Upload failed.");
 744                                 break;
 745                 }
 746
 747         } catch (e) {
 748                 exception_error("uploadIconHandler", e);
 749         }
 750 }
 751
 752 function removeFeedIcon(id) {
 753
 754         try {
 755
 756                 if (confirm(__("Remove stored feed icon?"))) {
 757                         var query = "backend.php?op=pref-feeds&subop=removeicon&feed_id=" + param_escape(id);
 758
 759                         console.log(query);
 760
 761                         notify_progress("Removing feed icon...", true);
 762
 763                         new Ajax.Request("backend.php", {
 764                                 parameters: query,
 765                                 onComplete: function(transport) {
 766                                         notify_info("Feed icon removed.");
 767                                         if (inPreferences()) {
 768                                                 updateFeedList();
 769                                         } else {
 770                                                 setTimeout('updateFeedList(false, false)', 50);
 771                                         }
 772                                 } });
 773                 }
 774
 775                 return false;
 776         } catch (e) {
 777                 exception_error("uploadFeedIcon", e);
 778         }
 779 }
 780
 781 function uploadFeedIcon() {
 782
 783         try {
 784
 785                 var file = $("icon_file");
 786
 787                 if (file.value.length == 0) {
 788                         alert(__("Please select an image file to upload."));
 789                 } else {
 790                         if (confirm(__("Upload new icon for this feed?"))) {
 791                                 notify_progress("Uploading, please wait...", true);
 792                                 return true;
 793                         }
 794                 }
 795
 796                 return false;
 797
 798         } catch (e) {
 799                 exception_error("uploadFeedIcon", e);
 800         }
 801 }
 802
 803 function addLabel(select, callback) {
 804
 805         try {
 806
 807                 var caption = prompt(__("Please enter label caption:"), "");
 808
 809                 if (caption != undefined) {
 810
 811                         if (caption == "") {
 812                                 alert(__("Can't create label: missing caption."));
 813                                 return false;
 814                         }
 815
 816                         var query = "?op=pref-labels&subop=add&caption=" +
 817                                 param_escape(caption);
 818
 819                         if (select)
 820                                 query += "&output=select";
 821
 822                         notify_progress("Loading, please wait...", true);
 823
 824                         if (inPreferences() && !select) active_tab = "labelConfig";
 825
 826                         new Ajax.Request("backend.php", {
 827                                 parameters: query,
 828                                 onComplete: function(transport) {
 829                                         if (callback) {
 830                                                 callback(transport);
 831                                         } else if (inPreferences()) {
 832                                                 updateLabelList();
 833                                         } else {
 834                                                 updateFeedList();
 835                                         }
 836                         } });
 837
 838                 }
 839
 840         } catch (e) {
 841                 exception_error("addLabel", e);
 842         }
 843 }
 844
 845 function quickAddFeed() {
 846         try {
 847                 var query = "backend.php?op=dlg&id=quickAddFeed";
 848
 849                 if (dijit.byId("feedAddDlg"))
 850                         dijit.byId("feedAddDlg").destroyRecursive();
 851
 852                 var dialog = new dijit.Dialog({
 853                         id: "feedAddDlg",
 854                         title: __("Subscribe to Feed"),
 855                         style: "width: 600px",
 856                         execute: function() {
 857                                 if (this.validate()) {
 858                                         console.log(dojo.objectToQuery(this.attr('value')));
 859
 860                                         var feed_url = this.attr('value').feed;
 861
 862                                         notify_progress(__("Subscribing to feed..."), true);
 863
 864                                         new Ajax.Request("backend.php", {
 865                                                 parameters: dojo.objectToQuery(this.attr('value')),
 866                                                 onComplete: function(transport) {
 867                                                         try {
 868
 869                                                                 var reply = JSON.parse(transport.responseText);
 870
 871                                                                 var rc = parseInt(reply['result']);
 872
 873                                                                 notify('');
 874
 875                                                                 console.log("GOT RC: " + rc);
 876
 877                                                                 switch (rc) {
 878                                                                 case 1:
 879                                                                         dialog.hide();
 880                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 881
 882                                                                         updateFeedList();
 883                                                                         break;
 884                                                                 case 2:
 885                                                                         alert(__("Specified URL seems to be invalid."));
 886                                                                         break;
 887                                                                 case 3:
 888                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 889                                                                         break;
 890                                                                 case 4:
 891                                                                         notify_progress("Searching for feed urls...", true);
 892
 893                                                                         new Ajax.Request("backend.php", {
 894                                                                                 parameters: 'op=rpc&subop=extractfeedurls&url=' + param_escape(feed_url),
 895                                                                                 onComplete: function(transport, dialog, feed_url) {
 896
 897                                                                                         notify('');
 898
 899                                                                                         var reply = JSON.parse(transport.responseText);
 900
 901                                                                                         var feeds = reply['urls'];
 902
 903                                                                                         console.log(transport.responseText);
 904
 905                                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 906
 907                                                                                         while (select.getOptions().length > 0)
 908                                                                                                 select.removeOption(0);
 909
 910                                                                                         var count = 0;
 911                                                                                         for (var feedUrl in feeds) {
 912                                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 913                                                                                                 count++;
 914                                                                                         }
 915
 916 //                                                                                      if (count > 5) count = 5;
 917 //                                                                                      select.size = count;
 918
 919                                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 920                                                                                 }
 921                                                                         });
 922                                                                         break;
 923                                                                 case 5:
 924                                                                         alert(__("Couldn't download the specified URL."));
 925                                                                         break;
 926                                                                 case 0:
 927                                                                         alert(__("You are already subscribed to this feed."));
 928                                                                         break;
 929                                                                 }
 930
 931                                                         } catch (e) {
 932                                                                 exception_error("subscribeToFeed", e);
 933                                                         }
 934
 935                                                 } });
 936
 937                                         }
 938                         },
 939                         href: query});
 940
 941                 dialog.show();
 942         } catch (e) {
 943                 exception_error("quickAddFeed", e);
 944         }
 945 }
 946
 947 function quickAddFilter() {
 948         try {
 949                 var query = "backend.php?op=dlg&id=quickAddFilter";
 950
 951                 if (dijit.byId("filterEditDlg"))
 952                         dijit.byId("filterEditDlg").destroyRecursive();
 953
 954                 dialog = new dijit.Dialog({
 955                         id: "filterEditDlg",
 956                         title: __("Create Filter"),
 957                         style: "width: 600px",
 958                         execute: function() {
 959                                 if (this.validate()) {
 960
 961                                         var query = "?op=rpc&subop=verifyRegexp&reg_exp=" +
 962                                                 param_escape(dialog.attr('value').reg_exp);
 963
 964                                         notify_progress("Verifying regular expression...");
 965
 966                                         new Ajax.Request("backend.php", {
 967                                                 parameters: query,
 968                                                 onComplete: function(transport) {
 969                                                         handle_rpc_reply(transport);
 970                                                         var response = transport.responseXML;
 971
 972                                                         if (response) {
 973                                                                 var s = response.getElementsByTagName("status")[0].firstChild.nodeValue;
 974
 975                                                                 notify('');
 976
 977                                                                 if (s == "INVALID") {
 978                                                                         alert("Match regular expression seems to be invalid.");
 979                                                                         return;
 980                                                                 } else {
 981                                                                         notify_progress("Saving data...", true);
 982
 983                                                                         console.log(dojo.objectToQuery(dialog.attr('value')));
 984
 985                                                                         new Ajax.Request("backend.php", {
 986                                                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
 987                                                                                 onComplete: function(transport) {
 988                                                                                         dialog.hide();
 989                                                                                         notify_info(transport.responseText);
 990                                                                                         if (inPreferences()) {
 991                                                                                                 updateFilterList();
 992                                                                                         }
 993                                                                         }})
 994                                                                 }
 995                                                         }
 996                                         }});
 997                                 }
 998                         },
 999                         href: query});
1000
1001                 dialog.show();
1002         } catch (e) {
1003                 exception_error("quickAddFilter", e);
1004         }
1005 }
1006
1007 function unsubscribeFeed(feed_id, title) {
1008
1009         var msg = __("Unsubscribe from %s?").replace("%s", title);
1010
1011         if (title == undefined || confirm(msg)) {
1012                 notify_progress("Removing feed...");
1013
1014                 var query = "?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id;
1015
1016                 new Ajax.Request("backend.php", {
1017                         parameters: query,
1018                         onComplete: function(transport) {
1019
1020                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1021
1022                                         if (inPreferences()) {
1023                                                 updateFeedList();
1024                                         } else {
1025                                                 if (feed_id == getActiveFeedId())
1026                                                         setTimeout("viewfeed(-5)", 100);
1027                                         }
1028
1029                                 } });
1030         }
1031
1032         return false;
1033 }
1034
1035
1036 function backend_sanity_check_callback(transport) {
1037
1038         try {
1039
1040                 if (sanity_check_done) {
1041                         fatalError(11, "Sanity check request received twice. This can indicate "+
1042                       "presence of Firebug or some other disrupting extension. "+
1043                                 "Please disable it and try again.");
1044                         return;
1045                 }
1046
1047                 if (!transport.responseXML) {
1048                         if (!store) {
1049                                 fatalError(3, "Sanity check: Received reply is not XML",
1050                                         transport.responseText);
1051                                 return;
1052                         }
1053                 }
1054
1055                 var reply = transport.responseXML.getElementsByTagName("error")[0];
1056
1057                 if (!reply) {
1058                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1059                         return;
1060                 }
1061
1062                 var error_code = reply.getAttribute("error-code");
1063
1064                 if (error_code && error_code != 0) {
1065                         return fatalError(error_code, reply.getAttribute("error-msg"));
1066                 }
1067
1068                 console.log("sanity check ok");
1069
1070                 var params = transport.responseXML.getElementsByTagName("init-params")[0];
1071
1072                 if (params) {
1073                         console.log('reading init-params...');
1074
1075                         params = JSON.parse(params.firstChild.nodeValue);
1076
1077                         if (params) {
1078                                 for (k in params) {
1079                                         var v = params[k];
1080                                         console.log("IP: " + k + " => " + v);
1081                                 }
1082                         }
1083
1084                         init_params = params;
1085                 }
1086
1087                 sanity_check_done = true;
1088
1089                 init_second_stage();
1090
1091         } catch (e) {
1092                 exception_error("backend_sanity_check_callback", e, transport);
1093         }
1094 }
1095
1096 function has_local_storage() {
1097         try {
1098                 return 'sessionStorage' in window && window['sessionStorage'] != null;
1099         } catch (e) {
1100                 return false;
1101         }
1102 }
1103
1104 function catSelectOnChange(elem) {
1105         try {
1106 /*              var value = elem[elem.selectedIndex].value;
1107                 var def = elem.getAttribute('default');
1108
1109                 if (value == "ADD_CAT") {
1110
1111                         if (def)
1112                                 dropboxSelect(elem, def);
1113                         else
1114                                 elem.selectedIndex = 0;
1115
1116                         quickAddCat(elem);
1117                 } */
1118
1119         } catch (e) {
1120                 exception_error("catSelectOnChange", e);
1121         }
1122 }
1123
1124 function quickAddCat(elem) {
1125         try {
1126                 var cat = prompt(__("Please enter category title:"));
1127
1128                 if (cat) {
1129
1130                         var query = "?op=rpc&subop=quickAddCat&cat=" + param_escape(cat);
1131
1132                         notify_progress("Loading, please wait...", true);
1133
1134                         new Ajax.Request("backend.php", {
1135                                 parameters: query,
1136                                 onComplete: function (transport) {
1137                                         var response = transport.responseXML;
1138                                         var select = response.getElementsByTagName("select")[0];
1139                                         var options = select.getElementsByTagName("option");
1140
1141                                         dropbox_replace_options(elem, options);
1142
1143                                         notify('');
1144
1145                         } });
1146
1147                 }
1148
1149         } catch (e) {
1150                 exception_error("quickAddCat", e);
1151         }
1152 }
1153
1154 function genUrlChangeKey(feed, is_cat) {
1155
1156         try {
1157                 var ok = confirm(__("Generate new syndication address for this feed?"));
1158
1159                 if (ok) {
1160
1161                         notify_progress("Trying to change address...", true);
1162
1163                         var query = "?op=rpc&subop=regenFeedKey&id=" + param_escape(feed) +
1164                                 "&is_cat=" + param_escape(is_cat);
1165
1166                         new Ajax.Request("backend.php", {
1167                                 parameters: query,
1168                                 onComplete: function(transport) {
1169                                                 var new_link = transport.responseXML.getElementsByTagName("link")[0];
1170
1171                                                 var e = $('gen_feed_url');
1172
1173                                                 if (new_link) {
1174
1175                                                         new_link = new_link.firstChild.nodeValue;
1176
1177                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1178                                                                 "&amp;key=" + new_link);
1179
1180                                                         e.href = e.href.replace(/\&amp;key=.*$/,
1181                                                                 "&amp;key=" + new_link);
1182
1183                                                         new Effect.Highlight(e);
1184
1185                                                         notify('');
1186
1187                                                 } else {
1188                                                         notify_error("Could not change feed URL.");
1189                                                 }
1190                                 } });
1191                 }
1192         } catch (e) {
1193                 exception_error("genUrlChangeKey", e);
1194         }
1195         return false;
1196 }
1197
1198 function labelSelectOnChange(elem) {
1199         try {
1200 /*              var value = elem[elem.selectedIndex].value;
1201                 var def = elem.getAttribute('default');
1202
1203                 if (value == "ADD_LABEL") {
1204
1205                         if (def)
1206                                 dropboxSelect(elem, def);
1207                         else
1208                                 elem.selectedIndex = 0;
1209
1210                         addLabel(elem, function(transport) {
1211
1212                                         try {
1213
1214                                                 var response = transport.responseXML;
1215                                                 var select = response.getElementsByTagName("select")[0];
1216                                                 var options = select.getElementsByTagName("option");
1217
1218                                                 dropbox_replace_options(elem, options);
1219
1220                                                 notify('');
1221                                         } catch (e) {
1222                                                 exception_error("addLabel", e);
1223                                         }
1224                         });
1225                 } */
1226
1227         } catch (e) {
1228                 exception_error("labelSelectOnChange", e);
1229         }
1230 }
1231
1232 function dropbox_replace_options(elem, options) {
1233
1234         try {
1235                 while (elem.hasChildNodes())
1236                         elem.removeChild(elem.firstChild);
1237
1238                 var sel_idx = -1;
1239
1240                 for (var i = 0; i < options.length; i++) {
1241                         var text = options[i].firstChild.nodeValue;
1242                         var value = options[i].getAttribute("value");
1243
1244                         if (value == undefined) value = text;
1245
1246                         var issel = options[i].getAttribute("selected") == "1";
1247
1248                         var option = new Option(text, value, issel);
1249
1250                         if (options[i].getAttribute("disabled"))
1251                                 option.setAttribute("disabled", true);
1252
1253                         elem.insert(option);
1254
1255                         if (issel) sel_idx = i;
1256                 }
1257
1258                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1259                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1260
1261         } catch (e) {
1262                 exception_error("dropbox_replace_options", e);
1263         }
1264 }
1265
1266 // mode = all, none, invert
1267 function selectTableRows(id, mode) {
1268         try {
1269                 var rows = $(id).rows;
1270
1271                 for (var i = 0; i < rows.length; i++) {
1272                         var row = rows[i];
1273                         var cb = false;
1274
1275                         if (row.id && row.className) {
1276                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1277                                 var inputs = rows[i].getElementsByTagName("input");
1278
1279                                 for (var j = 0; j < inputs.length; j++) {
1280                                         var input = inputs[j];
1281
1282                                         if (input.getAttribute("type") == "checkbox" &&
1283                                                         input.id.match(bare_id)) {
1284
1285                                                 cb = input;
1286                                                 break;
1287                                         }
1288                                 }
1289
1290                                 if (cb) {
1291                                         var issel = row.hasClassName("Selected");
1292
1293                                         if (mode == "all" && !issel) {
1294                                                 row.addClassName("Selected");
1295                                                 cb.checked = true;
1296                                         } else if (mode == "none" && issel) {
1297                                                 row.removeClassName("Selected");
1298                                                 cb.checked = false;
1299                                         } else if (mode == "invert") {
1300
1301                                                 if (issel) {
1302                                                         row.removeClassName("Selected");
1303                                                         cb.checked = false;
1304                                                 } else {
1305                                                         row.addClassName("Selected");
1306                                                         cb.checked = true;
1307                                                 }
1308                                         }
1309                                 }
1310                         }
1311                 }
1312
1313         } catch (e) {
1314                 exception_error("selectTableRows", e);
1315
1316         }
1317 }
1318
1319 function getSelectedTableRowIds(id) {
1320         var rows = [];
1321
1322         try {
1323                 var elem_rows = $(id).rows;
1324
1325                 for (i = 0; i < elem_rows.length; i++) {
1326                         if (elem_rows[i].hasClassName("Selected")) {
1327                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1328                                 rows.push(bare_id);
1329                         }
1330                 }
1331
1332         } catch (e) {
1333                 exception_error("getSelectedTableRowIds", e);
1334         }
1335
1336         return rows;
1337 }
1338
1339 function editFeed(feed, event) {
1340         try {
1341                 if (feed <= 0)
1342                         return alert(__("You can't edit this kind of feed."));
1343
1344                 var query = "backend.php?op=pref-feeds&subop=editfeed&id=" +
1345                         param_escape(feed);
1346
1347                 console.log(query);
1348
1349                 if (dijit.byId("feedEditDlg"))
1350                         dijit.byId("feedEditDlg").destroyRecursive();
1351
1352                 dialog = new dijit.Dialog({
1353                         id: "feedEditDlg",
1354                         title: __("Edit Feed"),
1355                         style: "width: 600px",
1356                         execute: function() {
1357                                 if (this.validate()) {
1358 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1359
1360                                         notify_progress("Saving data...", true);
1361
1362                                         new Ajax.Request("backend.php", {
1363                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1364                                                 onComplete: function(transport) {
1365                                                         dialog.hide();
1366                                                         updateFeedList();
1367                                         }})
1368                                 }
1369                         },
1370                         href: query});
1371
1372                 dialog.show();
1373
1374         } catch (e) {
1375                 exception_error("editFeed", e);
1376         }
1377 }
1378
1379 function feedBrowser() {
1380         try {
1381                 var query = "backend.php?op=dlg&id=feedBrowser";
1382
1383                 if (dijit.byId("feedAddDlg"))
1384                         dijit.byId("feedAddDlg").hide();
1385
1386                 if (dijit.byId("feedBrowserDlg"))
1387                         dijit.byId("feedBrowserDlg").destroyRecursive();
1388
1389                 var dialog = new dijit.Dialog({
1390                         id: "feedBrowserDlg",
1391                         title: __("More Feeds"),
1392                         style: "width: 600px",
1393                         getSelectedFeeds: function() {
1394                                 var list = $$("#browseFeedList li[id*=FBROW]");
1395                                 var selected = new Array();
1396
1397                                 list.each(function(child) {
1398                                         var id = child.id.replace("FBROW-", "");
1399
1400                                         if (child.hasClassName('Selected')) {
1401                                                 selected.push(id);
1402                                         }
1403                                 });
1404
1405                                 return selected;
1406                         },
1407                         subscribe: function() {
1408                                 var selected = this.getSelectedFeeds();
1409                                 var mode = this.attr('value').mode;
1410
1411                                 if (selected.length > 0) {
1412                                         dijit.byId("feedBrowserDlg").hide();
1413
1414                                         notify_progress("Loading, please wait...", true);
1415
1416                                         var query = "?op=rpc&subop=massSubscribe&ids="+
1417                                                 param_escape(selected.toString()) + "&mode=" + param_escape(mode);
1418
1419                                         console.log(query);
1420
1421                                         new Ajax.Request("backend.php", {
1422                                                 parameters: query,
1423                                                 onComplete: function(transport) {
1424
1425                                                         var nf = transport.responseXML.getElementsByTagName('num-feeds')[0];
1426                                                         var nf_value = nf.getAttribute("value");
1427
1428                                                         notify_info(__("Subscribed to %d feed(s).").replace("%d", nf_value));
1429
1430                                                         if (inPreferences()) {
1431                                                                 updateFeedList();
1432                                                         }
1433                                                 } });
1434
1435                                 } else {
1436                                         alert(__("No feeds are selected."));
1437                                 }
1438
1439                         },
1440                         update: function() {
1441                                 var query = dojo.objectToQuery(dialog.attr('value'));
1442
1443                                 Element.show('feed_browser_spinner');
1444
1445                                 new Ajax.Request("backend.php", {
1446                                         parameters: query,
1447                                         onComplete: function(transport) {
1448                                                 notify('');
1449
1450                                                 Element.hide('feed_browser_spinner');
1451
1452                                                 var c = $("browseFeedList");
1453                                                 var r = transport.responseXML.getElementsByTagName("content")[0];
1454                                                 var nr = transport.responseXML.getElementsByTagName("num-results")[0];
1455                                                 var mode = transport.responseXML.getElementsByTagName("mode")[0];
1456
1457                                                 if (c && r) {
1458                                                         c.innerHTML = r.firstChild.nodeValue;
1459                                                 }
1460
1461                                                 dojo.parser.parse("browseFeedList");
1462
1463                                                 if (parseInt(mode.getAttribute("value")) == 2) {
1464                                                         Element.show(dijit.byId('feed_archive_remove').domNode);
1465                                                 } else {
1466                                                         Element.hide(dijit.byId('feed_archive_remove').domNode);
1467                                                 }
1468
1469                                         } });
1470                         },
1471                         removeFromArchive: function() {
1472                                 var selected = this.getSelectedFeeds();
1473
1474                                 if (selected.length > 0) {
1475
1476                                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1477
1478                                         if (confirm(pr)) {
1479                                                 Element.show('feed_browser_spinner');
1480
1481                                                 var query = "?op=rpc&subop=remarchived&ids=" +
1482                                                         param_escape(selected.toString());;
1483
1484                                                 new Ajax.Request("backend.php", {
1485                                                         parameters: query,
1486                                                         onComplete: function(transport) {
1487                                                                 dialog.update();
1488                                                         } });
1489                                         }
1490                                 }
1491                         },
1492                         execute: function() {
1493                                 if (this.validate()) {
1494                                         this.subscribe();
1495                                 }
1496                         },
1497                         href: query});
1498
1499                 dialog.show();
1500
1501         } catch (e) {
1502                 exception_error("editFeed", e);
1503         }
1504 }
1505
1506