functions.js

   1 var hotkeys_enabled = true;
   2 var notify_silent = false;
   3 var last_progress_point = 0;
   4 var sanity_check_done = false;
   5
   6 /* add method to remove element from array */
   7
   8 Array.prototype.remove = function(s) {
   9         for (var i=0; i < this.length; i++) {
  10                 if (s == this[i]) this.splice(i, 1);
  11         }
  12 }
  13
  14 /* create console.log if it doesn't exist */
  15
  16 if (!window.console) console = {};
  17 console.log = console.log || function(msg) { };
  18 console.warn = console.warn || function(msg) { };
  19 console.error = console.error || function(msg) { };
  20
  21 function exception_error(location, e, ext_info) {
  22         var msg = format_exception_error(location, e);
  23
  24         if (!ext_info) ext_info = false;
  25
  26         disableHotkeys();
  27
  28         try {
  29
  30                 var ebc = $("xebContent");
  31
  32                 if (ebc) {
  33
  34                         Element.show("dialog_overlay");
  35                         Element.show("errorBoxShadow");
  36
  37                         if (ext_info) {
  38                                 if (ext_info.responseText) {
  39                                         ext_info = ext_info.responseText;
  40                                 }
  41                         }
  42
  43                         ebc.innerHTML =
  44                                 "<div><b>Error message:</b></div>" +
  45                                 "<pre>" + msg + "</pre>";
  46
  47                         if (ext_info) {
  48                                 ebc.innerHTML += "<div><b>Additional information:</b></div>" +
  49                                 "<textarea readonly=\"1\">" + ext_info + "</textarea>";
  50                         }
  51
  52                         ebc.innerHTML += "<div><b>Stack trace:</b></div>" +
  53                                 "<textarea readonly=\"1\">" + e.stack + "</textarea>";
  54
  55                 } else {
  56                         alert(msg);
  57                 }
  58
  59         } catch (e) {
  60                 alert(msg);
  61
  62         }
  63
  64 }
  65
  66 function format_exception_error(location, e) {
  67         var msg;
  68
  69         if (e.fileName) {
  70                 var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
  71
  72                 msg = "Exception: " + e.name + ", " + e.message +
  73                         "\nFunction: " + location + "()" +
  74                         "\nLocation: " + base_fname + ":" + e.lineNumber;
  75
  76         } else if (e.description) {
  77                 msg = "Exception: " + e.description + "\nFunction: " + location + "()";
  78         } else {
  79                 msg = "Exception: " + e + "\nFunction: " + location + "()";
  80         }
  81
  82         console.error("EXCEPTION: " + msg);
  83
  84         return msg;
  85 }
  86
  87
  88 function disableHotkeys() {
  89         hotkeys_enabled = false;
  90 }
  91
  92 function enableHotkeys() {
  93         hotkeys_enabled = true;
  94 }
  95
  96 function param_escape(arg) {
  97         if (typeof encodeURIComponent != 'undefined')
  98                 return encodeURIComponent(arg);
  99         else
 100                 return escape(arg);
 101 }
 102
 103 function param_unescape(arg) {
 104         if (typeof decodeURIComponent != 'undefined')
 105                 return decodeURIComponent(arg);
 106         else
 107                 return unescape(arg);
 108 }
 109
 110 var notify_hide_timerid = false;
 111
 112 function hide_notify() {
 113         var n = $("notify");
 114         if (n) {
 115                 n.style.display = "none";
 116         }
 117 }
 118
 119 function notify_silent_next() {
 120         notify_silent = true;
 121 }
 122
 123 function notify_real(msg, no_hide, n_type) {
 124
 125         if (notify_silent) {
 126                 notify_silent = false;
 127                 return;
 128         }
 129
 130         var n = $("notify");
 131         var nb = $("notify_body");
 132
 133         if (!n || !nb) return;
 134
 135         if (notify_hide_timerid) {
 136                 window.clearTimeout(notify_hide_timerid);
 137         }
 138
 139         if (msg == "") {
 140                 if (n.style.display == "block") {
 141                         notify_hide_timerid = window.setTimeout("hide_notify()", 0);
 142                 }
 143                 return;
 144         } else {
 145                 n.style.display = "block";
 146         }
 147
 148         /* types:
 149
 150                 1 - generic
 151                 2 - progress
 152                 3 - error
 153                 4 - info
 154
 155         */
 156
 157         if (typeof __ != 'undefined') {
 158                 msg = __(msg);
 159         }
 160
 161         if (n_type == 1) {
 162                 n.className = "notify";
 163         } else if (n_type == 2) {
 164                 n.className = "notifyProgress";
 165                 msg = "<img src='"+getInitParam("sign_progress")+"'> " + msg;
 166         } else if (n_type == 3) {
 167                 n.className = "notifyError";
 168                 msg = "<img src='"+getInitParam("sign_excl")+"'> " + msg;
 169         } else if (n_type == 4) {
 170                 n.className = "notifyInfo";
 171                 msg = "<img src='"+getInitParam("sign_info")+"'> " + msg;
 172         }
 173
 174 //      msg = "<img src='images/live_com_loading.gif'> " + msg;
 175
 176         nb.innerHTML = msg;
 177
 178         if (!no_hide) {
 179                 notify_hide_timerid = window.setTimeout("hide_notify()", 3000);
 180         }
 181 }
 182
 183 function notify(msg, no_hide) {
 184         notify_real(msg, no_hide, 1);
 185 }
 186
 187 function notify_progress(msg, no_hide) {
 188         notify_real(msg, no_hide, 2);
 189 }
 190
 191 function notify_error(msg, no_hide) {
 192         notify_real(msg, no_hide, 3);
 193
 194 }
 195
 196 function notify_info(msg, no_hide) {
 197         notify_real(msg, no_hide, 4);
 198 }
 199
 200 function setCookie(name, value, lifetime, path, domain, secure) {
 201
 202         var d = false;
 203
 204         if (lifetime) {
 205                 d = new Date();
 206                 d.setTime(d.getTime() + (lifetime * 1000));
 207         }
 208
 209         console.log("setCookie: " + name + " => " + value + ": " + d);
 210
 211         int_setCookie(name, value, d, path, domain, secure);
 212
 213 }
 214
 215 function int_setCookie(name, value, expires, path, domain, secure) {
 216         document.cookie= name + "=" + escape(value) +
 217                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 218                 ((path) ? "; path=" + path : "") +
 219                 ((domain) ? "; domain=" + domain : "") +
 220                 ((secure) ? "; secure" : "");
 221 }
 222
 223 function delCookie(name, path, domain) {
 224         if (getCookie(name)) {
 225                 document.cookie = name + "=" +
 226                 ((path) ? ";path=" + path : "") +
 227                 ((domain) ? ";domain=" + domain : "" ) +
 228                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 229         }
 230 }
 231
 232
 233 function getCookie(name) {
 234
 235         var dc = document.cookie;
 236         var prefix = name + "=";
 237         var begin = dc.indexOf("; " + prefix);
 238         if (begin == -1) {
 239             begin = dc.indexOf(prefix);
 240             if (begin != 0) return null;
 241         }
 242         else {
 243             begin += 2;
 244         }
 245         var end = document.cookie.indexOf(";", begin);
 246         if (end == -1) {
 247             end = dc.length;
 248         }
 249         return unescape(dc.substring(begin + prefix.length, end));
 250 }
 251
 252 function gotoPreferences() {
 253         document.location.href = "prefs.php";
 254 }
 255
 256 function gotoMain() {
 257         document.location.href = "tt-rss.php";
 258 }
 259
 260 function gotoExportOpml() {
 261         document.location.href = "opml.php?op=Export";
 262 }
 263
 264
 265 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 266   * * @author Sundar Dorai-Raj
 267   * * Email: sdoraira@vt.edu
 268   * * This program is free software; you can redistribute it and/or
 269   * * modify it under the terms of the GNU General Public License
 270   * * as published by the Free Software Foundation; either version 2
 271   * * of the License, or (at your option) any later version,
 272   * * provided that any use properly credits the author.
 273   * * This program is distributed in the hope that it will be useful,
 274   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 275   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 276   * * GNU General Public License for more details at http://www.gnu.org * * */
 277
 278   var numbers=".0123456789";
 279   function isNumeric(x) {
 280     // is x a String or a character?
 281     if(x.length>1) {
 282       // remove negative sign
 283       x=Math.abs(x)+"";
 284       for(j=0;j<x.length;j++) {
 285         // call isNumeric recursively for each character
 286         number=isNumeric(x.substring(j,j+1));
 287         if(!number) return number;
 288       }
 289       return number;
 290     }
 291     else {
 292       // if x is number return true
 293       if(numbers.indexOf(x)>=0) return true;
 294       return false;
 295     }
 296   }
 297
 298
 299 function toggleSelectRowById(sender, id) {
 300         var row = $(id);
 301         return toggleSelectRow(sender, row);
 302 }
 303
 304 function toggleSelectListRow(sender) {
 305         var row = sender.parentNode;
 306         return toggleSelectRow(sender, row);
 307 }
 308
 309 function tSR(sender, row) {
 310         return toggleSelectRow(sender, row);
 311 }
 312
 313 function toggleSelectRow(sender, row) {
 314
 315         if (!row) row = sender.parentNode.parentNode;
 316
 317         if (sender.checked && !row.hasClassName('Selected'))
 318                 row.addClassName('Selected');
 319         else
 320                 row.removeClassName('Selected');
 321 }
 322
 323 function checkboxToggleElement(elem, id) {
 324         if (elem.checked) {
 325                 Effect.Appear(id, {duration : 0.5});
 326         } else {
 327                 Effect.Fade(id, {duration : 0.5});
 328         }
 329 }
 330
 331 function dropboxSelect(e, v) {
 332         for (i = 0; i < e.length; i++) {
 333                 if (e[i].value == v) {
 334                         e.selectedIndex = i;
 335                         break;
 336                 }
 337         }
 338 }
 339
 340 // originally stolen from http://www.11tmr.com/11tmr.nsf/d6plinks/MWHE-695L9Z
 341 // bugfixed just a little bit :-)
 342 function getURLParam(strParamName){
 343   var strReturn = "";
 344   var strHref = window.location.href;
 345
 346   if (strHref.indexOf("#") == strHref.length-1) {
 347                 strHref = strHref.substring(0, strHref.length-1);
 348   }
 349
 350   if ( strHref.indexOf("?") > -1 ){
 351     var strQueryString = strHref.substr(strHref.indexOf("?"));
 352     var aQueryString = strQueryString.split("&");
 353     for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
 354       if (aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
 355         var aParam = aQueryString[iParam].split("=");
 356         strReturn = aParam[1];
 357         break;
 358       }
 359     }
 360   }
 361   return strReturn;
 362 }
 363
 364 function leading_zero(p) {
 365         var s = String(p);
 366         if (s.length == 1) s = "0" + s;
 367         return s;
 368 }
 369
 370 function make_timestamp() {
 371         var d = new Date();
 372
 373         return leading_zero(d.getHours()) + ":" + leading_zero(d.getMinutes()) +
 374                         ":" + leading_zero(d.getSeconds());
 375 }
 376
 377
 378 function closeErrorBox() {
 379
 380         if (Element.visible("errorBoxShadow")) {
 381                 Element.hide("dialog_overlay");
 382                 Element.hide("errorBoxShadow");
 383
 384                 enableHotkeys();
 385         }
 386
 387         return false;
 388 }
 389
 390 function closeInfoBox(cleanup) {
 391
 392         try {
 393                 enableHotkeys();
 394
 395                 if (Element.visible("infoBoxShadow")) {
 396                         Element.hide("dialog_overlay");
 397                         Element.hide("infoBoxShadow");
 398
 399                         if (cleanup) $("infoBox").innerHTML = "&nbsp;";
 400                 }
 401         } catch (e) {
 402                 exception_error("closeInfoBox", e);
 403         }
 404
 405         return false;
 406 }
 407
 408
 409 function displayDlg(id, param, callback) {
 410
 411         notify_progress("Loading, please wait...", true);
 412
 413         disableHotkeys();
 414
 415         var query = "?op=dlg&id=" +
 416                 param_escape(id) + "&param=" + param_escape(param);
 417
 418         new Ajax.Request("backend.php", {
 419                 parameters: query,
 420                 onComplete: function (transport) {
 421                         infobox_callback2(transport);
 422                         if (callback) callback(transport);
 423                 } });
 424
 425         return false;
 426 }
 427
 428 function infobox_submit_callback2(transport) {
 429         closeInfoBox();
 430
 431         try {
 432                 // called from prefs, reload tab
 433                 if (typeof active_tab != 'undefined' && active_tab) {
 434                         selectTab(active_tab, false);
 435                 }
 436         } catch (e) { }
 437
 438         if (transport.responseText) {
 439                 notify_info(transport.responseText);
 440         }
 441 }
 442
 443 function infobox_callback2(transport) {
 444         try {
 445
 446                 console.log("infobox_callback2");
 447
 448                 var box = $('infoBox');
 449
 450                 if (box) {
 451
 452                         if (!getInitParam("infobox_disable_overlay")) {
 453                                 Element.show("dialog_overlay");
 454                         }
 455
 456                         box.innerHTML=transport.responseText;
 457                         Element.show("infoBoxShadow");
 458                         //Effect.SlideDown("infoBoxShadow", {duration : 1.0});
 459
 460
 461                 }
 462
 463                 disableHotkeys();
 464
 465                 notify("");
 466         } catch (e) {
 467                 exception_error("infobox_callback2", e);
 468         }
 469 }
 470
 471 function createFilter() {
 472
 473         try {
 474
 475                 var form = document.forms['filter_add_form'];
 476                 var reg_exp = form.reg_exp.value;
 477
 478                 if (reg_exp == "") {
 479                         alert(__("Can't add filter: nothing to match on."));
 480                         return false;
 481                 }
 482
 483                 var query = "?op=rpc&subop=verifyRegexp&reg_exp=" + param_escape(reg_exp);
 484
 485                 notify_progress("Verifying regular expression...");
 486
 487                 new Ajax.Request("backend.php", {
 488                                 parameters: query,
 489                                 onComplete: function(transport) {
 490                                         handle_rpc_reply(transport);
 491
 492                                         var response = transport.responseXML;
 493
 494                                         if (response) {
 495                                                 var s = response.getElementsByTagName("status")[0].firstChild.nodeValue;
 496
 497                                                 notify('');
 498
 499                                                 if (s == "INVALID") {
 500                                                         alert("Match regular expression seems to be invalid.");
 501                                                         return;
 502                                                 } else {
 503
 504                                                         var query = Form.serialize("filter_add_form");
 505
 506                                                         // we can be called from some other tab in Prefs
 507                                                         if (typeof active_tab != 'undefined' && active_tab) {
 508                                                                 active_tab = "filterConfig";
 509                                                         }
 510
 511                                                         new Ajax.Request("backend.php?" + query, {
 512                                                                 onComplete: function (transport) {
 513                                                                         infobox_submit_callback2(transport);
 514                                                                 } });
 515
 516                                                         return true;
 517                                                 }
 518                                         }
 519
 520                         } });
 521
 522         } catch (e) {
 523                 exception_error("createFilter", e);
 524         }
 525 }
 526
 527 function isValidURL(s) {
 528         return s.match("http://") != null || s.match("https://") != null || s.match("feed://") != null;
 529 }
 530
 531 function subscribeToFeed() {
 532
 533         try {
 534
 535         var form = document.forms['feed_add_form'];
 536         var feed_url = form.feed_url.value;
 537
 538         if (feed_url == "") {
 539                 alert(__("Can't subscribe: no feed URL given."));
 540                 return false;
 541         }
 542
 543         notify_progress(__("Subscribing to feed..."), true);
 544
 545         var query = Form.serialize("feed_add_form");
 546
 547         console.log("subscribe q: " + query);
 548
 549         Form.disable("feed_add_form");
 550
 551         new Ajax.Request("backend.php", {
 552                 parameters: query,
 553                 onComplete: function(transport) {
 554                         //dlg_frefresh_callback(transport);
 555
 556                         try {
 557
 558                                 if (!transport.responseXML) {
 559                                         console.log(transport.responseText);
 560                                         alert(__("Server error while trying to subscribe to specified feed."));
 561                                         return;
 562                                 }
 563
 564                                 var result = transport.responseXML.getElementsByTagName('result')[0];
 565                                 var rc = parseInt(result.getAttribute('code'));
 566
 567                                 Form.enable("feed_add_form");
 568
 569                                 notify('');
 570
 571                                 switch (rc) {
 572                                 case 1:
 573                                         closeInfoBox();
 574                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 575
 576                                         if (inPreferences()) {
 577                                                 updateFeedList();
 578                                         } else {
 579                                                 setTimeout('updateFeedList(false, false)', 50);
 580                                         }
 581                                         break;
 582                                 case 2:
 583                                         alert(__("Specified URL seems to be invalid."));
 584                                         break;
 585                                 case 3:
 586                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 587                                         break;
 588                                 case 4:
 589                                         new Ajax.Request("backend.php", {
 590                                                 parameters: 'op=rpc&subop=extractfeedurls&url=' + encodeURIComponent(feed_url),
 591                                                 onComplete: function(transport) {
 592                                                         var result = transport.responseXML.getElementsByTagName('urls')[0];
 593                                                         var feeds = JSON.parse(result.firstChild.nodeValue);
 594                                                         var select = document.getElementById("faad_feeds_container_select");
 595
 596                                                         while (select.hasChildNodes()) {
 597                                                                 select.removeChild(elem.firstChild);
 598                                                         }
 599                                                         var count = 0;
 600                                                         for (var feedUrl in feeds) {
 601                                                                 select.insert(new Option(feeds[feedUrl], feedUrl, false));
 602                                                                 count++;
 603                                                         }
 604                                                         if (count > 5) count = 5;
 605                                                         select.size = count;
 606
 607                                                         Effect.Appear('fadd_feeds_container', {duration : 0.5});
 608                                                 }
 609                                         });
 610                                         break;
 611                                 case 5:
 612                                         alert(__("Couldn't download the specified URL."));
 613                                         break;
 614                                 case 0:
 615                                         alert(__("You are already subscribed to this feed."));
 616                                         break;
 617                                 }
 618
 619                         } catch (e) {
 620                                 exception_error("subscribeToFeed", e);
 621                         }
 622
 623                 } });
 624
 625         } catch (e) {
 626                 exception_error("subscribeToFeed", e);
 627         }
 628
 629         return false;
 630 }
 631
 632 function filterCR(e, f)
 633 {
 634      var key;
 635
 636      if(window.event)
 637           key = window.event.keyCode;     //IE
 638      else
 639           key = e.which;     //firefox
 640
 641         if (key == 13) {
 642                 if (typeof f != 'undefined') {
 643                         f();
 644                         return false;
 645                 } else {
 646                         return false;
 647                 }
 648         } else {
 649                 return true;
 650         }
 651 }
 652
 653 function getInitParam(key) {
 654         return init_params[key];
 655 }
 656
 657 function setInitParam(key, value) {
 658         init_params[key] = value;
 659 }
 660
 661 function fatalError(code, msg, ext_info) {
 662         try {
 663
 664                 if (!ext_info) ext_info = "N/A";
 665
 666                 if (code == 6) {
 667                         window.location.href = "tt-rss.php";
 668                 } else if (code == 5) {
 669                         window.location.href = "db-updater.php";
 670                 } else {
 671
 672                         if (msg == "") msg = "Unknown error";
 673
 674                         var ebc = $("xebContent");
 675
 676                         if (ebc) {
 677
 678                                 Element.show("dialog_overlay");
 679                                 Element.show("errorBoxShadow");
 680                                 Element.hide("xebBtn");
 681
 682                                 if (ext_info) {
 683                                         if (ext_info.responseText) {
 684                                                 ext_info = ext_info.responseText;
 685                                         }
 686                                 }
 687
 688                                 ebc.innerHTML =
 689                                         "<div><b>Error message:</b></div>" +
 690                                         "<pre>" + msg + "</pre>" +
 691                                         "<div><b>Additional information:</b></div>" +
 692                                         "<textarea readonly=\"1\">" + ext_info + "</textarea>";
 693                         }
 694                 }
 695
 696         } catch (e) {
 697                 exception_error("fatalError", e);
 698         }
 699 }
 700
 701 function filterDlgCheckType(sender) {
 702
 703         try {
 704
 705                 var ftype = sender[sender.selectedIndex].value;
 706
 707                 var form = document.forms["filter_add_form"];
 708
 709                 if (!form) {
 710                         form = document.forms["filter_edit_form"];
 711                 }
 712
 713                 if (!form) {
 714                         console.log("filterDlgCheckType: can't find form!");
 715                         return;
 716                 }
 717
 718                 // if selected filter type is 5 (Date) enable the modifier dropbox
 719                 if (ftype == 5) {
 720                         Element.show("filter_dlg_date_mod_box");
 721                         Element.show("filter_dlg_date_chk_box");
 722                 } else {
 723                         Element.hide("filter_dlg_date_mod_box");
 724                         Element.hide("filter_dlg_date_chk_box");
 725
 726                 }
 727
 728         } catch (e) {
 729                 exception_error("filterDlgCheckType", e);
 730         }
 731
 732 }
 733
 734 function filterDlgCheckAction(sender) {
 735
 736         try {
 737
 738                 var action = sender[sender.selectedIndex].value;
 739
 740                 var form = document.forms["filter_add_form"];
 741
 742                 if (!form) {
 743                         form = document.forms["filter_edit_form"];
 744                 }
 745
 746                 if (!form) {
 747                         console.log("filterDlgCheckAction: can't find form!");
 748                         return;
 749                 }
 750
 751                 var action_param = $("filter_dlg_param_box");
 752
 753                 if (!action_param) {
 754                         console.log("filterDlgCheckAction: can't find action param box!");
 755                         return;
 756                 }
 757
 758                 // if selected action supports parameters, enable params field
 759                 if (action == 4 || action == 6 || action == 7) {
 760                         Element.show(action_param);
 761                         if (action != 7) {
 762                                 Element.show(form.action_param);
 763                                 Element.hide(form.action_param_label);
 764                         } else {
 765                                 Element.show(form.action_param_label);
 766                                 Element.hide(form.action_param);
 767                         }
 768                 } else {
 769                         Element.hide(action_param);
 770                 }
 771
 772         } catch (e) {
 773                 exception_error("filterDlgCheckAction", e);
 774         }
 775
 776 }
 777
 778 function filterDlgCheckDate() {
 779         try {
 780                 var form = document.forms["filter_add_form"];
 781
 782                 if (!form) {
 783                         form = document.forms["filter_edit_form"];
 784                 }
 785
 786                 if (!form) {
 787                         console.log("filterDlgCheckAction: can't find form!");
 788                         return;
 789                 }
 790
 791                 var reg_exp = form.reg_exp.value;
 792
 793                 var query = "?op=rpc&subop=checkDate&date=" + reg_exp;
 794
 795                 new Ajax.Request("backend.php", {
 796                         parameters: query,
 797                         onComplete: function(transport) {
 798
 799                                 var form = document.forms["filter_add_form"];
 800
 801                                 if (!form) {
 802                                         form = document.forms["filter_edit_form"];
 803                                 }
 804
 805                                 if (transport.responseXML) {
 806                                         var result = transport.responseXML.getElementsByTagName("result")[0];
 807
 808                                         if (result && result.firstChild) {
 809                                                 if (result.firstChild.nodeValue == "1") {
 810
 811                                                         new Effect.Highlight(form.reg_exp, {startcolor : '#00ff00'});
 812
 813                                                         return;
 814                                                 }
 815                                         }
 816                                 }
 817
 818                                 new Effect.Highlight(form.reg_exp, {startcolor : '#ff0000'});
 819
 820                         } });
 821
 822
 823         } catch (e) {
 824                 exception_error("filterDlgCheckDate", e);
 825         }
 826 }
 827
 828 function explainError(code) {
 829         return displayDlg("explainError", code);
 830 }
 831
 832 function displayHelpInfobox(topic_id) {
 833
 834         var url = "backend.php?op=help&tid=" + param_escape(topic_id);
 835
 836         var w = window.open(url, "ttrss_help",
 837                 "status=0,toolbar=0,location=0,width=450,height=500,scrollbars=1,menubar=0");
 838
 839 }
 840
 841 function loading_set_progress(p) {
 842         try {
 843                 if (p < last_progress_point || !Element.visible("overlay")) return;
 844
 845                 console.log("loading_set_progress : " + p + " (" + last_progress_point + ")");
 846
 847                 var o = $("l_progress_i");
 848
 849 //              o.style.width = (p * 2) + "px";
 850
 851                 new Effect.Scale(o, p, {
 852                         scaleY : false,
 853                         scaleFrom : last_progress_point,
 854                         scaleMode: { originalWidth : 200 },
 855                         queue: { position: 'end', scope: 'LSP-Q', limit: 3 } });
 856
 857                 last_progress_point = p;
 858
 859         } catch (e) {
 860                 exception_error("loading_set_progress", e);
 861         }
 862 }
 863
 864 function remove_splash() {
 865         if (Element.visible("overlay")) {
 866                 console.log("about to remove splash, OMG!");
 867                 Element.hide("overlay");
 868                 console.log("removed splash!");
 869         }
 870 }
 871
 872 function getSelectedFeedsFromBrowser() {
 873
 874         var list = $$("#browseFeedList li[id*=FBROW]");
 875
 876         var selected = new Array();
 877
 878         list.each(function(child) {
 879                 var id = child.id.replace("FBROW-", "");
 880                 var cb = $("FBCHK-" + id);
 881
 882                 if (cb.checked) {
 883                         selected.push(id);
 884                 }
 885         });
 886
 887         return selected;
 888 }
 889
 890 function updateFeedBrowser() {
 891         try {
 892
 893                 var query = Form.serialize("feed_browser");
 894
 895                 Element.show('feed_browser_spinner');
 896
 897                 new Ajax.Request("backend.php", {
 898                         parameters: query,
 899                         onComplete: function(transport) {
 900                                 notify('');
 901
 902                                 Element.hide('feed_browser_spinner');
 903
 904                                 var c = $("browseFeedList");
 905                                 var r = transport.responseXML.getElementsByTagName("content")[0];
 906                                 var nr = transport.responseXML.getElementsByTagName("num-results")[0];
 907                                 var mode = transport.responseXML.getElementsByTagName("mode")[0];
 908
 909                                 if (c && r) {
 910                                         c.innerHTML = r.firstChild.nodeValue;
 911                                 }
 912
 913                                 if (parseInt(mode.getAttribute("value")) == 2) {
 914                                         Element.show('feed_archive_remove');
 915                                 } else {
 916                                         Element.hide('feed_archive_remove');
 917                                 }
 918
 919                         } });
 920
 921         } catch (e) {
 922                 exception_error("updateFeedBrowser", e);
 923         }
 924
 925 }
 926
 927 function transport_error_check(transport) {
 928         try {
 929                 if (transport.responseXML) {
 930                         var error = transport.responseXML.getElementsByTagName("error")[0];
 931
 932                         if (error) {
 933                                 var code = error.getAttribute("error-code");
 934                                 var msg = error.getAttribute("error-msg");
 935                                 if (code != 0) {
 936                                         fatalError(code, msg);
 937                                         return false;
 938                                 }
 939                         }
 940                 }
 941         } catch (e) {
 942                 exception_error("check_for_error_xml", e);
 943         }
 944         return true;
 945 }
 946
 947 function strip_tags(s) {
 948         return s.replace(/<\/?[^>]+(>|$)/g, "");
 949 }
 950
 951 function truncate_string(s, length) {
 952         if (!length) length = 30;
 953         var tmp = s.substring(0, length);
 954         if (s.length > length) tmp += "&hellip;";
 955         return tmp;
 956 }
 957
 958 function hotkey_prefix_timeout() {
 959         try {
 960
 961                 var date = new Date();
 962                 var ts = Math.round(date.getTime() / 1000);
 963
 964                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 965                         console.log("hotkey_prefix seems to be stuck, aborting");
 966                         hotkey_prefix_pressed = false;
 967                         hotkey_prefix = false;
 968                         Element.hide('cmdline');
 969                 }
 970
 971                 setTimeout("hotkey_prefix_timeout()", 1000);
 972
 973         } catch  (e) {
 974                 exception_error("hotkey_prefix_timeout", e);
 975         }
 976 }
 977
 978 function hideAuxDlg() {
 979         try {
 980                 Element.hide('auxDlg');
 981         } catch (e) {
 982                 exception_error("hideAuxDlg", e);
 983         }
 984 }
 985
 986 function feedBrowserSubscribe() {
 987         try {
 988
 989                 var selected = getSelectedFeedsFromBrowser();
 990
 991                 var mode = document.forms['feed_browser'].mode;
 992
 993                 mode = mode[mode.selectedIndex].value;
 994
 995                 if (selected.length > 0) {
 996                         closeInfoBox();
 997
 998                         notify_progress("Loading, please wait...", true);
 999
1000                         var query = "?op=rpc&subop=massSubscribe&ids="+
1001                                 param_escape(selected.toString()) + "&mode=" + param_escape(mode);
1002
1003                         new Ajax.Request("backend.php", {
1004                                 parameters: query,
1005                                 onComplete: function(transport) {
1006
1007                                         var nf = transport.responseXML.getElementsByTagName('num-feeds')[0];
1008                                         var nf_value = nf.getAttribute("value");
1009
1010                                         notify_info(__("Subscribed to %d feed(s).").replace("%d", nf_value));
1011
1012                                         if (inPreferences()) {
1013                                                 updateFeedList();
1014                                         } else {
1015                                                 setTimeout('updateFeedList(false, false)', 50);
1016                                         }
1017                                 } });
1018
1019                 } else {
1020                         alert(__("No feeds are selected."));
1021                 }
1022
1023         } catch (e) {
1024                 exception_error("feedBrowserSubscribe", e);
1025         }
1026 }
1027
1028 function feedArchiveRemove() {
1029         try {
1030
1031                 var selected = getSelectedFeedsFromBrowser();
1032
1033                 if (selected.length > 0) {
1034
1035                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1036
1037                         if (confirm(pr)) {
1038                                 Element.show('feed_browser_spinner');
1039
1040                                 var query = "?op=rpc&subop=remarchived&ids=" +
1041                                         param_escape(selected.toString());;
1042
1043                                 new Ajax.Request("backend.php", {
1044                                         parameters: query,
1045                                         onComplete: function(transport) {
1046                                                 updateFeedBrowser();
1047                                         } });
1048                         }
1049
1050                 } else {
1051                         alert(__("No feeds are selected."));
1052                 }
1053
1054         } catch (e) {
1055                 exception_error("feedArchiveRemove", e);
1056         }
1057 }
1058
1059 function uploadIconHandler(rc) {
1060         try {
1061                 switch (rc) {
1062                         case 0:
1063                                 notify_info("Upload complete.");
1064                                 if (inPreferences()) {
1065                                         updateFeedList();
1066                                 } else {
1067                                         setTimeout('updateFeedList(false, false)', 50);
1068                                 }
1069                                 break;
1070                         case 1:
1071                                 notify_error("Upload failed: icon is too big.");
1072                                 break;
1073                         case 2:
1074                                 notify_error("Upload failed.");
1075                                 break;
1076                 }
1077
1078         } catch (e) {
1079                 exception_error("uploadIconHandler", e);
1080         }
1081 }
1082
1083 function removeFeedIcon(id) {
1084
1085         try {
1086
1087                 if (confirm(__("Remove stored feed icon?"))) {
1088                         var query = "backend.php?op=pref-feeds&subop=removeicon&feed_id=" + param_escape(id);
1089
1090                         console.log(query);
1091
1092                         notify_progress("Removing feed icon...", true);
1093
1094                         new Ajax.Request("backend.php", {
1095                                 parameters: query,
1096                                 onComplete: function(transport) {
1097                                         notify_info("Feed icon removed.");
1098                                         if (inPreferences()) {
1099                                                 updateFeedList();
1100                                         } else {
1101                                                 setTimeout('updateFeedList(false, false)', 50);
1102                                         }
1103                                 } });
1104                 }
1105
1106                 return false;
1107         } catch (e) {
1108                 exception_error("uploadFeedIcon", e);
1109         }
1110 }
1111
1112 function uploadFeedIcon() {
1113
1114         try {
1115
1116                 var file = $("icon_file");
1117
1118                 if (file.value.length == 0) {
1119                         alert(__("Please select an image file to upload."));
1120                 } else {
1121                         if (confirm(__("Upload new icon for this feed?"))) {
1122                                 notify_progress("Uploading, please wait...", true);
1123                                 return true;
1124                         }
1125                 }
1126
1127                 return false;
1128
1129         } catch (e) {
1130                 exception_error("uploadFeedIcon", e);
1131         }
1132 }
1133
1134 function addLabel(select, callback) {
1135
1136         try {
1137
1138                 var caption = prompt(__("Please enter label caption:"), "");
1139
1140                 if (caption != undefined) {
1141
1142                         if (caption == "") {
1143                                 alert(__("Can't create label: missing caption."));
1144                                 return false;
1145                         }
1146
1147                         var query = "?op=pref-labels&subop=add&caption=" +
1148                                 param_escape(caption);
1149
1150                         if (select)
1151                                 query += "&output=select";
1152
1153                         notify_progress("Loading, please wait...", true);
1154
1155                         if (inPreferences() && !select) active_tab = "labelConfig";
1156
1157                         new Ajax.Request("backend.php", {
1158                                 parameters: query,
1159                                 onComplete: function(transport) {
1160                                         if (callback) {
1161                                                 callback(transport);
1162                                         } else if (inPreferences()) {
1163                                                 infobox_submit_callback2(transport);
1164                                         } else {
1165                                                 updateFeedList();
1166                                         }
1167                         } });
1168
1169                 }
1170
1171         } catch (e) {
1172                 exception_error("addLabel", e);
1173         }
1174 }
1175
1176 function quickAddFeed() {
1177         displayDlg('quickAddFeed', '',
1178            function () {$('feed_url').focus();});
1179 }
1180
1181 function quickAddFilter() {
1182         displayDlg('quickAddFilter', '',
1183            function () {document.forms['filter_add_form'].reg_exp.focus();});
1184 }
1185
1186 function unsubscribeFeed(feed_id, title) {
1187
1188         var msg = __("Unsubscribe from %s?").replace("%s", title);
1189
1190         if (title == undefined || confirm(msg)) {
1191                 notify_progress("Removing feed...");
1192
1193                 var query = "?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id;
1194
1195                 new Ajax.Request("backend.php", {
1196                         parameters: query,
1197                         onComplete: function(transport) {
1198
1199                                         closeInfoBox();
1200
1201                                         if (inPreferences()) {
1202                                                 updateFeedList();
1203                                         } else {
1204                                                 dlg_frefresh_callback(transport, feed_id);
1205                                         }
1206
1207                                 } });
1208         }
1209
1210         return false;
1211 }
1212
1213
1214 function backend_sanity_check_callback(transport) {
1215
1216         try {
1217
1218                 if (sanity_check_done) {
1219                         fatalError(11, "Sanity check request received twice. This can indicate "+
1220                       "presence of Firebug or some other disrupting extension. "+
1221                                 "Please disable it and try again.");
1222                         return;
1223                 }
1224
1225                 if (!transport.responseXML) {
1226                         if (!store) {
1227                                 fatalError(3, "Sanity check: Received reply is not XML",
1228                                         transport.responseText);
1229                                 return;
1230                         }
1231                 }
1232
1233                 var reply = transport.responseXML.getElementsByTagName("error")[0];
1234
1235                 if (!reply) {
1236                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1237                         return;
1238                 }
1239
1240                 var error_code = reply.getAttribute("error-code");
1241
1242                 if (error_code && error_code != 0) {
1243                         return fatalError(error_code, reply.getAttribute("error-msg"));
1244                 }
1245
1246                 console.log("sanity check ok");
1247
1248                 var params = transport.responseXML.getElementsByTagName("init-params")[0];
1249
1250                 if (params) {
1251                         console.log('reading init-params...');
1252
1253                         params = JSON.parse(params.firstChild.nodeValue);
1254
1255                         if (params) {
1256                                 for (k in params) {
1257                                         var v = params[k];
1258                                         console.log("IP: " + k + " => " + v);
1259                                 }
1260                         }
1261
1262                         init_params = params;
1263                 }
1264
1265                 sanity_check_done = true;
1266
1267                 init_second_stage();
1268
1269         } catch (e) {
1270                 exception_error("backend_sanity_check_callback", e, transport);
1271         }
1272 }
1273
1274 function has_local_storage() {
1275         return false;
1276 /*      try {
1277                 return 'localStorage' in window && window['localStorage'] != null;
1278         } catch (e) {
1279                 return false;
1280         } */
1281 }
1282
1283 function catSelectOnChange(elem) {
1284         try {
1285                 var value = elem[elem.selectedIndex].value;
1286                 var def = elem.getAttribute('default');
1287
1288                 if (value == "ADD_CAT") {
1289
1290                         if (def)
1291                                 dropboxSelect(elem, def);
1292                         else
1293                                 elem.selectedIndex = 0;
1294
1295                         quickAddCat(elem);
1296                 }
1297
1298         } catch (e) {
1299                 exception_error("catSelectOnChange", e);
1300         }
1301 }
1302
1303 function quickAddCat(elem) {
1304         try {
1305                 var cat = prompt(__("Please enter category title:"));
1306
1307                 if (cat) {
1308
1309                         var query = "?op=rpc&subop=quickAddCat&cat=" + param_escape(cat);
1310
1311                         notify_progress("Loading, please wait...", true);
1312
1313                         new Ajax.Request("backend.php", {
1314                                 parameters: query,
1315                                 onComplete: function (transport) {
1316                                         var response = transport.responseXML;
1317                                         var select = response.getElementsByTagName("select")[0];
1318                                         var options = select.getElementsByTagName("option");
1319
1320                                         dropbox_replace_options(elem, options);
1321
1322                                         notify('');
1323
1324                         } });
1325
1326                 }
1327
1328         } catch (e) {
1329                 exception_error("quickAddCat", e);
1330         }
1331 }
1332
1333 function genUrlChangeKey(feed, is_cat) {
1334
1335         try {
1336                 var ok = confirm(__("Generate new syndication address for this feed?"));
1337
1338                 if (ok) {
1339
1340                         notify_progress("Trying to change address...", true);
1341
1342                         var query = "?op=rpc&subop=regenFeedKey&id=" + param_escape(feed) +
1343                                 "&is_cat=" + param_escape(is_cat);
1344
1345                         new Ajax.Request("backend.php", {
1346                                 parameters: query,
1347                                 onComplete: function(transport) {
1348                                                 var new_link = transport.responseXML.getElementsByTagName("link")[0];
1349
1350                                                 var e = $('gen_feed_url');
1351
1352                                                 if (new_link) {
1353
1354                                                         new_link = new_link.firstChild.nodeValue;
1355
1356                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1357                                                                 "&amp;key=" + new_link);
1358
1359                                                         e.href = e.href.replace(/\&amp;key=.*$/,
1360                                                                 "&amp;key=" + new_link);
1361
1362                                                         new Effect.Highlight(e);
1363
1364                                                         notify('');
1365
1366                                                 } else {
1367                                                         notify_error("Could not change feed URL.");
1368                                                 }
1369                                 } });
1370                 }
1371         } catch (e) {
1372                 exception_error("genUrlChangeKey", e);
1373         }
1374         return false;
1375 }
1376
1377 function labelSelectOnChange(elem) {
1378         try {
1379                 var value = elem[elem.selectedIndex].value;
1380                 var def = elem.getAttribute('default');
1381
1382                 if (value == "ADD_LABEL") {
1383
1384                         if (def)
1385                                 dropboxSelect(elem, def);
1386                         else
1387                                 elem.selectedIndex = 0;
1388
1389                         addLabel(elem, function(transport) {
1390
1391                                         try {
1392
1393                                                 var response = transport.responseXML;
1394                                                 var select = response.getElementsByTagName("select")[0];
1395                                                 var options = select.getElementsByTagName("option");
1396
1397                                                 dropbox_replace_options(elem, options);
1398
1399                                                 notify('');
1400                                         } catch (e) {
1401                                                 exception_error("addLabel", e);
1402                                         }
1403                         });
1404                 }
1405
1406         } catch (e) {
1407                 exception_error("labelSelectOnChange", e);
1408         }
1409 }
1410
1411 function dropbox_replace_options(elem, options) {
1412
1413         try {
1414                 while (elem.hasChildNodes())
1415                         elem.removeChild(elem.firstChild);
1416
1417                 var sel_idx = -1;
1418
1419                 for (var i = 0; i < options.length; i++) {
1420                         var text = options[i].firstChild.nodeValue;
1421                         var value = options[i].getAttribute("value");
1422
1423                         if (value == undefined) value = text;
1424
1425                         var issel = options[i].getAttribute("selected") == "1";
1426
1427                         var option = new Option(text, value, issel);
1428
1429                         if (options[i].getAttribute("disabled"))
1430                                 option.setAttribute("disabled", true);
1431
1432                         elem.insert(option);
1433
1434                         if (issel) sel_idx = i;
1435                 }
1436
1437                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1438                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1439
1440         } catch (e) {
1441                 exception_error("dropbox_replace_options", e);
1442         }
1443 }
1444
1445 // mode = all, none, invert
1446 function selectTableRows(id, mode) {
1447         try {
1448                 var rows = $(id).rows;
1449
1450                 for (var i = 0; i < rows.length; i++) {
1451                         var row = rows[i];
1452                         var cb = false;
1453
1454                         if (row.id && row.className) {
1455                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1456                                 var inputs = rows[i].getElementsByTagName("input");
1457
1458                                 for (var j = 0; j < inputs.length; j++) {
1459                                         var input = inputs[j];
1460
1461                                         if (input.getAttribute("type") == "checkbox" &&
1462                                                         input.id.match(bare_id)) {
1463
1464                                                 cb = input;
1465                                                 break;
1466                                         }
1467                                 }
1468
1469                                 if (cb) {
1470                                         var issel = row.hasClassName("Selected");
1471
1472                                         if (mode == "all" && !issel) {
1473                                                 row.addClassName("Selected");
1474                                                 cb.checked = true;
1475                                         } else if (mode == "none" && issel) {
1476                                                 row.removeClassName("Selected");
1477                                                 cb.checked = false;
1478                                         } else if (mode == "invert") {
1479
1480                                                 if (issel) {
1481                                                         row.removeClassName("Selected");
1482                                                         cb.checked = false;
1483                                                 } else {
1484                                                         row.addClassName("Selected");
1485                                                         cb.checked = true;
1486                                                 }
1487                                         }
1488                                 }
1489                         }
1490                 }
1491
1492         } catch (e) {
1493                 exception_error("selectTableRows", e);
1494
1495         }
1496 }
1497
1498 function getSelectedTableRowIds(id) {
1499         var rows = [];
1500
1501         try {
1502                 var elem_rows = $(id).rows;
1503
1504                 for (i = 0; i < elem_rows.length; i++) {
1505                         if (elem_rows[i].hasClassName("Selected")) {
1506                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1507                                 rows.push(bare_id);
1508                         }
1509                 }
1510
1511         } catch (e) {
1512                 exception_error("getSelectedTableRowIds", e);
1513         }
1514
1515         return rows;
1516 }
1517