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 (code == 6) {
 507                         window.location.href = "tt-rss.php";
 508                 } else if (code == 5) {
 509                         window.location.href = "db-updater.php";
 510                 } else {
 511
 512                         if (msg == "") msg = "Unknown error";
 513
 514                         if (ext_info) {
 515                                 if (ext_info.responseText) {
 516                                         ext_info = ext_info.responseText;
 517                                 }
 518                         }
 519
 520                         if (ERRORS && ERRORS[code] && !msg) {
 521                                 msg = ERRORS[code];
 522                         }
 523
 524                         var content = "<div><b>Error code:</b> " + code + "</div>" +
 525                                 "<p>" + msg + "</p>";
 526
 527                         if (ext_info) {
 528                                 content = content + "<div><b>Additional information:</b></div>" +
 529                                         "<textarea style='width: 100%' readonly=\"1\">" +
 530                                         ext_info + "</textarea>";
 531                         }
 532
 533                         var dialog = new dijit.Dialog({
 534                                 title: "Fatal error",
 535                                 style: "width: 600px",
 536                                 content: content});
 537
 538                         dialog.show();
 539
 540                 }
 541
 542                 return false;
 543
 544         } catch (e) {
 545                 exception_error("fatalError", e);
 546         }
 547 }
 548
 549 function filterDlgCheckType(sender) {
 550
 551         try {
 552
 553                 var ftype = sender.value;
 554
 555                 // if selected filter type is 5 (Date) enable the modifier dropbox
 556                 if (ftype == 5) {
 557                         Element.show("filterDlg_dateModBox");
 558                         Element.show("filterDlg_dateChkBox");
 559                 } else {
 560                         Element.hide("filterDlg_dateModBox");
 561                         Element.hide("filterDlg_dateChkBox");
 562
 563                 }
 564
 565         } catch (e) {
 566                 exception_error("filterDlgCheckType", e);
 567         }
 568
 569 }
 570
 571 function filterDlgCheckAction(sender) {
 572
 573         try {
 574
 575                 var action = sender.value;
 576
 577                 var action_param = $("filterDlg_paramBox");
 578
 579                 if (!action_param) {
 580                         console.log("filterDlgCheckAction: can't find action param box!");
 581                         return;
 582                 }
 583
 584                 // if selected action supports parameters, enable params field
 585                 if (action == 4 || action == 6 || action == 7) {
 586                         new Effect.Appear(action_param, {duration : 0.5});
 587                         if (action != 7) {
 588                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
 589                                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 590                         } else {
 591                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 592                                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 593                         }
 594                 } else {
 595                         Element.hide(action_param);
 596                 }
 597
 598         } catch (e) {
 599                 exception_error("filterDlgCheckAction", e);
 600         }
 601
 602 }
 603
 604 function filterDlgCheckDate() {
 605         try {
 606                 var dialog = dijit.byId("filterEditDlg");
 607
 608                 var reg_exp = dialog.attr('value').reg_exp;
 609
 610                 var query = "?op=rpc&subop=checkDate&date=" + reg_exp;
 611
 612                 new Ajax.Request("backend.php", {
 613                         parameters: query,
 614                         onComplete: function(transport) {
 615
 616                                 var reply = JSON.parse(transport.responseText);
 617
 618                                 if (reply['result'] == true) {
 619                                         alert(__("Date syntax appears to be correct."));
 620                                         return;
 621                                 } else {
 622                                         alert(__("Date syntax is incorrect."));
 623                                 }
 624
 625                         } });
 626
 627
 628         } catch (e) {
 629                 exception_error("filterDlgCheckDate", e);
 630         }
 631 }
 632
 633 function explainError(code) {
 634         return displayDlg("explainError", code);
 635 }
 636
 637 function displayHelpInfobox(topic_id) {
 638
 639         var url = "backend.php?op=help&tid=" + param_escape(topic_id);
 640
 641         var w = window.open(url, "ttrss_help",
 642                 "status=0,toolbar=0,location=0,width=450,height=500,scrollbars=1,menubar=0");
 643
 644 }
 645
 646 function loading_set_progress(p) {
 647         try {
 648                 loading_progress += p;
 649
 650                 if (dijit.byId("loading_bar"))
 651                         dijit.byId("loading_bar").update({progress: loading_progress});
 652
 653                 if (loading_progress >= 90)
 654                         remove_splash();
 655
 656         } catch (e) {
 657                 exception_error("loading_set_progress", e);
 658         }
 659 }
 660
 661 function remove_splash() {
 662
 663         if (Element.visible("overlay")) {
 664                 console.log("about to remove splash, OMG!");
 665                 Element.hide("overlay");
 666                 console.log("removed splash!");
 667         }
 668 }
 669
 670 function transport_error_check(transport) {
 671         try {
 672                 if (transport.responseXML) {
 673                         var error = transport.responseXML.getElementsByTagName("error")[0];
 674
 675                         if (error) {
 676                                 var code = error.getAttribute("error-code");
 677                                 var msg = error.getAttribute("error-msg");
 678                                 if (code != 0) {
 679                                         fatalError(code, msg);
 680                                         return false;
 681                                 }
 682                         }
 683                 }
 684         } catch (e) {
 685                 exception_error("check_for_error_xml", e);
 686         }
 687         return true;
 688 }
 689
 690 function strip_tags(s) {
 691         return s.replace(/<\/?[^>]+(>|$)/g, "");
 692 }
 693
 694 function truncate_string(s, length) {
 695         if (!length) length = 30;
 696         var tmp = s.substring(0, length);
 697         if (s.length > length) tmp += "&hellip;";
 698         return tmp;
 699 }
 700
 701 function hotkey_prefix_timeout() {
 702         try {
 703
 704                 var date = new Date();
 705                 var ts = Math.round(date.getTime() / 1000);
 706
 707                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 708                         console.log("hotkey_prefix seems to be stuck, aborting");
 709                         hotkey_prefix_pressed = false;
 710                         hotkey_prefix = false;
 711                         Element.hide('cmdline');
 712                 }
 713
 714                 setTimeout("hotkey_prefix_timeout()", 1000);
 715
 716         } catch  (e) {
 717                 exception_error("hotkey_prefix_timeout", e);
 718         }
 719 }
 720
 721 function hideAuxDlg() {
 722         try {
 723                 Element.hide('auxDlg');
 724         } catch (e) {
 725                 exception_error("hideAuxDlg", e);
 726         }
 727 }
 728
 729
 730 function uploadIconHandler(rc) {
 731         try {
 732                 switch (rc) {
 733                         case 0:
 734                                 notify_info("Upload complete.");
 735                                 if (inPreferences()) {
 736                                         updateFeedList();
 737                                 } else {
 738                                         setTimeout('updateFeedList(false, false)', 50);
 739                                 }
 740                                 break;
 741                         case 1:
 742                                 notify_error("Upload failed: icon is too big.");
 743                                 break;
 744                         case 2:
 745                                 notify_error("Upload failed.");
 746                                 break;
 747                 }
 748
 749         } catch (e) {
 750                 exception_error("uploadIconHandler", e);
 751         }
 752 }
 753
 754 function removeFeedIcon(id) {
 755
 756         try {
 757
 758                 if (confirm(__("Remove stored feed icon?"))) {
 759                         var query = "backend.php?op=pref-feeds&subop=removeicon&feed_id=" + param_escape(id);
 760
 761                         console.log(query);
 762
 763                         notify_progress("Removing feed icon...", true);
 764
 765                         new Ajax.Request("backend.php", {
 766                                 parameters: query,
 767                                 onComplete: function(transport) {
 768                                         notify_info("Feed icon removed.");
 769                                         if (inPreferences()) {
 770                                                 updateFeedList();
 771                                         } else {
 772                                                 setTimeout('updateFeedList(false, false)', 50);
 773                                         }
 774                                 } });
 775                 }
 776
 777                 return false;
 778         } catch (e) {
 779                 exception_error("uploadFeedIcon", e);
 780         }
 781 }
 782
 783 function uploadFeedIcon() {
 784
 785         try {
 786
 787                 var file = $("icon_file");
 788
 789                 if (file.value.length == 0) {
 790                         alert(__("Please select an image file to upload."));
 791                 } else {
 792                         if (confirm(__("Upload new icon for this feed?"))) {
 793                                 notify_progress("Uploading, please wait...", true);
 794                                 return true;
 795                         }
 796                 }
 797
 798                 return false;
 799
 800         } catch (e) {
 801                 exception_error("uploadFeedIcon", e);
 802         }
 803 }
 804
 805 function addLabel(select, callback) {
 806
 807         try {
 808
 809                 var caption = prompt(__("Please enter label caption:"), "");
 810
 811                 if (caption != undefined) {
 812
 813                         if (caption == "") {
 814                                 alert(__("Can't create label: missing caption."));
 815                                 return false;
 816                         }
 817
 818                         var query = "?op=pref-labels&subop=add&caption=" +
 819                                 param_escape(caption);
 820
 821                         if (select)
 822                                 query += "&output=select";
 823
 824                         notify_progress("Loading, please wait...", true);
 825
 826                         if (inPreferences() && !select) active_tab = "labelConfig";
 827
 828                         new Ajax.Request("backend.php", {
 829                                 parameters: query,
 830                                 onComplete: function(transport) {
 831                                         if (callback) {
 832                                                 callback(transport);
 833                                         } else if (inPreferences()) {
 834                                                 updateLabelList();
 835                                         } else {
 836                                                 updateFeedList();
 837                                         }
 838                         } });
 839
 840                 }
 841
 842         } catch (e) {
 843                 exception_error("addLabel", e);
 844         }
 845 }
 846
 847 function quickAddFeed() {
 848         try {
 849                 var query = "backend.php?op=dlg&id=quickAddFeed";
 850
 851                 if (dijit.byId("feedAddDlg"))
 852                         dijit.byId("feedAddDlg").destroyRecursive();
 853
 854                 var dialog = new dijit.Dialog({
 855                         id: "feedAddDlg",
 856                         title: __("Subscribe to Feed"),
 857                         style: "width: 600px",
 858                         execute: function() {
 859                                 if (this.validate()) {
 860                                         console.log(dojo.objectToQuery(this.attr('value')));
 861
 862                                         var feed_url = this.attr('value').feed;
 863
 864                                         notify_progress(__("Subscribing to feed..."), true);
 865
 866                                         new Ajax.Request("backend.php", {
 867                                                 parameters: dojo.objectToQuery(this.attr('value')),
 868                                                 onComplete: function(transport) {
 869                                                         try {
 870
 871                                                                 var reply = JSON.parse(transport.responseText);
 872
 873                                                                 var rc = parseInt(reply['result']);
 874
 875                                                                 notify('');
 876
 877                                                                 console.log("GOT RC: " + rc);
 878
 879                                                                 switch (rc) {
 880                                                                 case 1:
 881                                                                         dialog.hide();
 882                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 883
 884                                                                         updateFeedList();
 885                                                                         break;
 886                                                                 case 2:
 887                                                                         alert(__("Specified URL seems to be invalid."));
 888                                                                         break;
 889                                                                 case 3:
 890                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 891                                                                         break;
 892                                                                 case 4:
 893                                                                         notify_progress("Searching for feed urls...", true);
 894
 895                                                                         new Ajax.Request("backend.php", {
 896                                                                                 parameters: 'op=rpc&subop=extractfeedurls&url=' + param_escape(feed_url),
 897                                                                                 onComplete: function(transport, dialog, feed_url) {
 898
 899                                                                                         notify('');
 900
 901                                                                                         var reply = JSON.parse(transport.responseText);
 902
 903                                                                                         var feeds = reply['urls'];
 904
 905                                                                                         console.log(transport.responseText);
 906
 907                                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 908
 909                                                                                         while (select.getOptions().length > 0)
 910                                                                                                 select.removeOption(0);
 911
 912                                                                                         var count = 0;
 913                                                                                         for (var feedUrl in feeds) {
 914                                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 915                                                                                                 count++;
 916                                                                                         }
 917
 918 //                                                                                      if (count > 5) count = 5;
 919 //                                                                                      select.size = count;
 920
 921                                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 922                                                                                 }
 923                                                                         });
 924                                                                         break;
 925                                                                 case 5:
 926                                                                         alert(__("Couldn't download the specified URL."));
 927                                                                         break;
 928                                                                 case 0:
 929                                                                         alert(__("You are already subscribed to this feed."));
 930                                                                         break;
 931                                                                 }
 932
 933                                                         } catch (e) {
 934                                                                 exception_error("subscribeToFeed", e);
 935                                                         }
 936
 937                                                 } });
 938
 939                                         }
 940                         },
 941                         href: query});
 942
 943                 dialog.show();
 944         } catch (e) {
 945                 exception_error("quickAddFeed", e);
 946         }
 947 }
 948
 949 function quickAddFilter() {
 950         try {
 951                 var query = "backend.php?op=dlg&id=quickAddFilter";
 952
 953                 if (dijit.byId("filterEditDlg"))
 954                         dijit.byId("filterEditDlg").destroyRecursive();
 955
 956                 dialog = new dijit.Dialog({
 957                         id: "filterEditDlg",
 958                         title: __("Create Filter"),
 959                         style: "width: 600px",
 960                         execute: function() {
 961                                 if (this.validate()) {
 962
 963                                         var query = "?op=rpc&subop=verifyRegexp&reg_exp=" +
 964                                                 param_escape(dialog.attr('value').reg_exp);
 965
 966                                         notify_progress("Verifying regular expression...");
 967
 968                                         new Ajax.Request("backend.php", {
 969                                                 parameters: query,
 970                                                 onComplete: function(transport) {
 971                                                         var reply = JSON.parse(transport.responseText);
 972
 973                                                         if (reply) {
 974                                                                 notify('');
 975
 976                                                                 if (!reply['status']) {
 977                                                                         alert("Match regular expression seems to be invalid.");
 978                                                                         return;
 979                                                                 } else {
 980                                                                         notify_progress("Saving data...", true);
 981
 982                                                                         console.log(dojo.objectToQuery(dialog.attr('value')));
 983
 984                                                                         new Ajax.Request("backend.php", {
 985                                                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
 986                                                                                 onComplete: function(transport) {
 987                                                                                         dialog.hide();
 988                                                                                         notify_info(transport.responseText);
 989                                                                                         if (inPreferences()) {
 990                                                                                                 updateFilterList();
 991                                                                                         }
 992                                                                         }})
 993                                                                 }
 994                                                         }
 995                                         }});
 996                                 }
 997                         },
 998                         href: query});
 999
1000                 dialog.show();
1001         } catch (e) {
1002                 exception_error("quickAddFilter", e);
1003         }
1004 }
1005
1006 function unsubscribeFeed(feed_id, title) {
1007
1008         var msg = __("Unsubscribe from %s?").replace("%s", title);
1009
1010         if (title == undefined || confirm(msg)) {
1011                 notify_progress("Removing feed...");
1012
1013                 var query = "?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id;
1014
1015                 new Ajax.Request("backend.php", {
1016                         parameters: query,
1017                         onComplete: function(transport) {
1018
1019                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1020
1021                                         if (inPreferences()) {
1022                                                 updateFeedList();
1023                                         } else {
1024                                                 if (feed_id == getActiveFeedId())
1025                                                         setTimeout("viewfeed(-5)", 100);
1026                                         }
1027
1028                                 } });
1029         }
1030
1031         return false;
1032 }
1033
1034
1035 function backend_sanity_check_callback(transport) {
1036
1037         try {
1038
1039                 if (sanity_check_done) {
1040                         fatalError(11, "Sanity check request received twice. This can indicate "+
1041                       "presence of Firebug or some other disrupting extension. "+
1042                                 "Please disable it and try again.");
1043                         return;
1044                 }
1045
1046                 if (!transport.responseXML) {
1047                         if (!store) {
1048                                 fatalError(3, "Sanity check: Received reply is not XML",
1049                                         transport.responseText);
1050                                 return;
1051                         }
1052                 }
1053
1054                 var reply = transport.responseXML.getElementsByTagName("error")[0];
1055
1056                 if (!reply) {
1057                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1058                         return;
1059                 }
1060
1061                 var error_code = reply.getAttribute("error-code");
1062
1063                 if (error_code && error_code != 0) {
1064                         return fatalError(error_code, reply.getAttribute("error-msg"));
1065                 }
1066
1067                 console.log("sanity check ok");
1068
1069                 var params = transport.responseXML.getElementsByTagName("init-params")[0];
1070
1071                 if (params) {
1072                         console.log('reading init-params...');
1073
1074                         params = JSON.parse(params.firstChild.nodeValue);
1075
1076                         if (params) {
1077                                 for (k in params) {
1078                                         var v = params[k];
1079                                         console.log("IP: " + k + " => " + v);
1080                                 }
1081                         }
1082
1083                         init_params = params;
1084                 }
1085
1086                 sanity_check_done = true;
1087
1088                 init_second_stage();
1089
1090         } catch (e) {
1091                 exception_error("backend_sanity_check_callback", e, transport);
1092         }
1093 }
1094
1095 function has_local_storage() {
1096         try {
1097                 return 'sessionStorage' in window && window['sessionStorage'] != null;
1098         } catch (e) {
1099                 return false;
1100         }
1101 }
1102
1103 function catSelectOnChange(elem) {
1104         try {
1105 /*              var value = elem[elem.selectedIndex].value;
1106                 var def = elem.getAttribute('default');
1107
1108                 if (value == "ADD_CAT") {
1109
1110                         if (def)
1111                                 dropboxSelect(elem, def);
1112                         else
1113                                 elem.selectedIndex = 0;
1114
1115                         quickAddCat(elem);
1116                 } */
1117
1118         } catch (e) {
1119                 exception_error("catSelectOnChange", e);
1120         }
1121 }
1122
1123 function quickAddCat(elem) {
1124         try {
1125                 var cat = prompt(__("Please enter category title:"));
1126
1127                 if (cat) {
1128
1129                         var query = "?op=rpc&subop=quickAddCat&cat=" + param_escape(cat);
1130
1131                         notify_progress("Loading, please wait...", true);
1132
1133                         new Ajax.Request("backend.php", {
1134                                 parameters: query,
1135                                 onComplete: function (transport) {
1136                                         var response = transport.responseXML;
1137                                         var select = response.getElementsByTagName("select")[0];
1138                                         var options = select.getElementsByTagName("option");
1139
1140                                         dropbox_replace_options(elem, options);
1141
1142                                         notify('');
1143
1144                         } });
1145
1146                 }
1147
1148         } catch (e) {
1149                 exception_error("quickAddCat", e);
1150         }
1151 }
1152
1153 function genUrlChangeKey(feed, is_cat) {
1154
1155         try {
1156                 var ok = confirm(__("Generate new syndication address for this feed?"));
1157
1158                 if (ok) {
1159
1160                         notify_progress("Trying to change address...", true);
1161
1162                         var query = "?op=rpc&subop=regenFeedKey&id=" + param_escape(feed) +
1163                                 "&is_cat=" + param_escape(is_cat);
1164
1165                         new Ajax.Request("backend.php", {
1166                                 parameters: query,
1167                                 onComplete: function(transport) {
1168                                                 var reply = JSON.parse(transport.responseText);
1169                                                 var new_link = reply.link;
1170
1171                                                 var e = $('gen_feed_url');
1172
1173                                                 if (new_link) {
1174
1175                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1176                                                                 "&amp;key=" + new_link);
1177
1178                                                         e.href = e.href.replace(/\&amp;key=.*$/,
1179                                                                 "&amp;key=" + new_link);
1180
1181                                                         new Effect.Highlight(e);
1182
1183                                                         notify('');
1184
1185                                                 } else {
1186                                                         notify_error("Could not change feed URL.");
1187                                                 }
1188                                 } });
1189                 }
1190         } catch (e) {
1191                 exception_error("genUrlChangeKey", e);
1192         }
1193         return false;
1194 }
1195
1196 function labelSelectOnChange(elem) {
1197         try {
1198 /*              var value = elem[elem.selectedIndex].value;
1199                 var def = elem.getAttribute('default');
1200
1201                 if (value == "ADD_LABEL") {
1202
1203                         if (def)
1204                                 dropboxSelect(elem, def);
1205                         else
1206                                 elem.selectedIndex = 0;
1207
1208                         addLabel(elem, function(transport) {
1209
1210                                         try {
1211
1212                                                 var response = transport.responseXML;
1213                                                 var select = response.getElementsByTagName("select")[0];
1214                                                 var options = select.getElementsByTagName("option");
1215
1216                                                 dropbox_replace_options(elem, options);
1217
1218                                                 notify('');
1219                                         } catch (e) {
1220                                                 exception_error("addLabel", e);
1221                                         }
1222                         });
1223                 } */
1224
1225         } catch (e) {
1226                 exception_error("labelSelectOnChange", e);
1227         }
1228 }
1229
1230 function dropbox_replace_options(elem, options) {
1231
1232         try {
1233                 while (elem.hasChildNodes())
1234                         elem.removeChild(elem.firstChild);
1235
1236                 var sel_idx = -1;
1237
1238                 for (var i = 0; i < options.length; i++) {
1239                         var text = options[i].firstChild.nodeValue;
1240                         var value = options[i].getAttribute("value");
1241
1242                         if (value == undefined) value = text;
1243
1244                         var issel = options[i].getAttribute("selected") == "1";
1245
1246                         var option = new Option(text, value, issel);
1247
1248                         if (options[i].getAttribute("disabled"))
1249                                 option.setAttribute("disabled", true);
1250
1251                         elem.insert(option);
1252
1253                         if (issel) sel_idx = i;
1254                 }
1255
1256                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1257                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1258
1259         } catch (e) {
1260                 exception_error("dropbox_replace_options", e);
1261         }
1262 }
1263
1264 // mode = all, none, invert
1265 function selectTableRows(id, mode) {
1266         try {
1267                 var rows = $(id).rows;
1268
1269                 for (var i = 0; i < rows.length; i++) {
1270                         var row = rows[i];
1271                         var cb = false;
1272
1273                         if (row.id && row.className) {
1274                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1275                                 var inputs = rows[i].getElementsByTagName("input");
1276
1277                                 for (var j = 0; j < inputs.length; j++) {
1278                                         var input = inputs[j];
1279
1280                                         if (input.getAttribute("type") == "checkbox" &&
1281                                                         input.id.match(bare_id)) {
1282
1283                                                 cb = input;
1284                                                 break;
1285                                         }
1286                                 }
1287
1288                                 if (cb) {
1289                                         var issel = row.hasClassName("Selected");
1290
1291                                         if (mode == "all" && !issel) {
1292                                                 row.addClassName("Selected");
1293                                                 cb.checked = true;
1294                                         } else if (mode == "none" && issel) {
1295                                                 row.removeClassName("Selected");
1296                                                 cb.checked = false;
1297                                         } else if (mode == "invert") {
1298
1299                                                 if (issel) {
1300                                                         row.removeClassName("Selected");
1301                                                         cb.checked = false;
1302                                                 } else {
1303                                                         row.addClassName("Selected");
1304                                                         cb.checked = true;
1305                                                 }
1306                                         }
1307                                 }
1308                         }
1309                 }
1310
1311         } catch (e) {
1312                 exception_error("selectTableRows", e);
1313
1314         }
1315 }
1316
1317 function getSelectedTableRowIds(id) {
1318         var rows = [];
1319
1320         try {
1321                 var elem_rows = $(id).rows;
1322
1323                 for (i = 0; i < elem_rows.length; i++) {
1324                         if (elem_rows[i].hasClassName("Selected")) {
1325                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1326                                 rows.push(bare_id);
1327                         }
1328                 }
1329
1330         } catch (e) {
1331                 exception_error("getSelectedTableRowIds", e);
1332         }
1333
1334         return rows;
1335 }
1336
1337 function editFeed(feed, event) {
1338         try {
1339                 if (feed <= 0)
1340                         return alert(__("You can't edit this kind of feed."));
1341
1342                 var query = "backend.php?op=pref-feeds&subop=editfeed&id=" +
1343                         param_escape(feed);
1344
1345                 console.log(query);
1346
1347                 if (dijit.byId("feedEditDlg"))
1348                         dijit.byId("feedEditDlg").destroyRecursive();
1349
1350                 dialog = new dijit.Dialog({
1351                         id: "feedEditDlg",
1352                         title: __("Edit Feed"),
1353                         style: "width: 600px",
1354                         execute: function() {
1355                                 if (this.validate()) {
1356 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1357
1358                                         notify_progress("Saving data...", true);
1359
1360                                         new Ajax.Request("backend.php", {
1361                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1362                                                 onComplete: function(transport) {
1363                                                         dialog.hide();
1364                                                         notify('');
1365                                                         updateFeedList();
1366                                         }})
1367                                 }
1368                         },
1369                         href: query});
1370
1371                 dialog.show();
1372
1373         } catch (e) {
1374                 exception_error("editFeed", e);
1375         }
1376 }
1377
1378 function feedBrowser() {
1379         try {
1380                 var query = "backend.php?op=dlg&id=feedBrowser";
1381
1382                 if (dijit.byId("feedAddDlg"))
1383                         dijit.byId("feedAddDlg").hide();
1384
1385                 if (dijit.byId("feedBrowserDlg"))
1386                         dijit.byId("feedBrowserDlg").destroyRecursive();
1387
1388                 var dialog = new dijit.Dialog({
1389                         id: "feedBrowserDlg",
1390                         title: __("More Feeds"),
1391                         style: "width: 600px",
1392                         getSelectedFeeds: function() {
1393                                 var list = $$("#browseFeedList li[id*=FBROW]");
1394                                 var selected = new Array();
1395
1396                                 list.each(function(child) {
1397                                         var id = child.id.replace("FBROW-", "");
1398
1399                                         if (child.hasClassName('Selected')) {
1400                                                 selected.push(id);
1401                                         }
1402                                 });
1403
1404                                 return selected;
1405                         },
1406                         subscribe: function() {
1407                                 var selected = this.getSelectedFeeds();
1408                                 var mode = this.attr('value').mode;
1409
1410                                 if (selected.length > 0) {
1411                                         dijit.byId("feedBrowserDlg").hide();
1412
1413                                         notify_progress("Loading, please wait...", true);
1414
1415                                         var query = "?op=rpc&subop=massSubscribe&ids="+
1416                                                 param_escape(selected.toString()) + "&mode=" + param_escape(mode);
1417
1418                                         console.log(query);
1419
1420                                         new Ajax.Request("backend.php", {
1421                                                 parameters: query,
1422                                                 onComplete: function(transport) {
1423                                                         if (inPreferences()) {
1424                                                                 updateFeedList();
1425                                                         }
1426                                                 } });
1427
1428                                 } else {
1429                                         alert(__("No feeds are selected."));
1430                                 }
1431
1432                         },
1433                         update: function() {
1434                                 var query = dojo.objectToQuery(dialog.attr('value'));
1435
1436                                 Element.show('feed_browser_spinner');
1437
1438                                 new Ajax.Request("backend.php", {
1439                                         parameters: query,
1440                                         onComplete: function(transport) {
1441                                                 notify('');
1442
1443                                                 Element.hide('feed_browser_spinner');
1444
1445                                                 var c = $("browseFeedList");
1446
1447                                                 var reply = JSON.parse(transport.responseText);
1448
1449                                                 var r = reply['content'];
1450                                                 var mode = reply['mode'];
1451
1452                                                 if (c && r) {
1453                                                         c.innerHTML = r;
1454                                                 }
1455
1456                                                 dojo.parser.parse("browseFeedList");
1457
1458                                                 if (mode == 2) {
1459                                                         Element.show(dijit.byId('feed_archive_remove').domNode);
1460                                                 } else {
1461                                                         Element.hide(dijit.byId('feed_archive_remove').domNode);
1462                                                 }
1463
1464                                         } });
1465                         },
1466                         removeFromArchive: function() {
1467                                 var selected = this.getSelectedFeeds();
1468
1469                                 if (selected.length > 0) {
1470
1471                                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1472
1473                                         if (confirm(pr)) {
1474                                                 Element.show('feed_browser_spinner');
1475
1476                                                 var query = "?op=rpc&subop=remarchived&ids=" +
1477                                                         param_escape(selected.toString());;
1478
1479                                                 new Ajax.Request("backend.php", {
1480                                                         parameters: query,
1481                                                         onComplete: function(transport) {
1482                                                                 dialog.update();
1483                                                         } });
1484                                         }
1485                                 }
1486                         },
1487                         execute: function() {
1488                                 if (this.validate()) {
1489                                         this.subscribe();
1490                                 }
1491                         },
1492                         href: query});
1493
1494                 dialog.show();
1495
1496         } catch (e) {
1497                 exception_error("editFeed", e);
1498         }
1499 }
1500
1501