functions.js

   1 var notify_silent = false;
   2 var loading_progress = 0;
   3 var sanity_check_done = false;
   4
   5 /* add method to remove element from array */
   6
   7 Array.prototype.remove = function(s) {
   8         for (var i=0; i < this.length; i++) {
   9                 if (s == this[i]) this.splice(i, 1);
  10         }
  11 }
  12
  13 /* create console.log if it doesn't exist */
  14
  15 if (!window.console) console = {};
  16 console.log = console.log || function(msg) { };
  17 console.warn = console.warn || function(msg) { };
  18 console.error = console.error || function(msg) { };
  19
  20 function exception_error(location, e, ext_info) {
  21         var msg = format_exception_error(location, e);
  22
  23         if (!ext_info) ext_info = false;
  24
  25         try {
  26
  27                 if (ext_info) {
  28                         if (ext_info.responseText) {
  29                                 ext_info = ext_info.responseText;
  30                         }
  31                 }
  32
  33                 var content = "<div class=\"fatalError\">" +
  34                         "<pre>" + msg + "</pre>";
  35
  36                 if (ext_info) {
  37                         content += "<div><b>Additional information:</b></div>" +
  38                         "<textarea readonly=\"1\">" + ext_info + "</textarea>";
  39                 }
  40
  41                 content += "<div><b>Stack trace:</b></div>" +
  42                         "<textarea readonly=\"1\">" + e.stack + "</textarea>";
  43
  44                 content += "</div>";
  45
  46                 // TODO: add code to automatically report errors to tt-rss.org
  47
  48                 var dialog = new dijit.Dialog({
  49                         title: "Unhandled exception",
  50                         style: "width: 600px",
  51                         content: content});
  52
  53                 dialog.show();
  54
  55         } catch (e) {
  56                 alert(msg);
  57         }
  58
  59 }
  60
  61 function format_exception_error(location, e) {
  62         var msg;
  63
  64         if (e.fileName) {
  65                 var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
  66
  67                 msg = "Exception: " + e.name + ", " + e.message +
  68                         "\nFunction: " + location + "()" +
  69                         "\nLocation: " + base_fname + ":" + e.lineNumber;
  70
  71         } else if (e.description) {
  72                 msg = "Exception: " + e.description + "\nFunction: " + location + "()";
  73         } else {
  74                 msg = "Exception: " + e + "\nFunction: " + location + "()";
  75         }
  76
  77         console.error("EXCEPTION: " + msg);
  78
  79         return msg;
  80 }
  81
  82 function param_escape(arg) {
  83         if (typeof encodeURIComponent != 'undefined')
  84                 return encodeURIComponent(arg);
  85         else
  86                 return escape(arg);
  87 }
  88
  89 function param_unescape(arg) {
  90         if (typeof decodeURIComponent != 'undefined')
  91                 return decodeURIComponent(arg);
  92         else
  93                 return unescape(arg);
  94 }
  95
  96 var notify_hide_timerid = false;
  97
  98 function hide_notify() {
  99         var n = $("notify");
 100         if (n) {
 101                 n.style.display = "none";
 102         }
 103 }
 104
 105 function notify_silent_next() {
 106         notify_silent = true;
 107 }
 108
 109 function notify_real(msg, no_hide, n_type) {
 110
 111         if (notify_silent) {
 112                 notify_silent = false;
 113                 return;
 114         }
 115
 116         var n = $("notify");
 117         var nb = $("notify_body");
 118
 119         if (!n || !nb) return;
 120
 121         if (notify_hide_timerid) {
 122                 window.clearTimeout(notify_hide_timerid);
 123         }
 124
 125         if (msg == "") {
 126                 if (n.style.display == "block") {
 127                         notify_hide_timerid = window.setTimeout("hide_notify()", 0);
 128                 }
 129                 return;
 130         } else {
 131                 n.style.display = "block";
 132         }
 133
 134         /* types:
 135
 136                 1 - generic
 137                 2 - progress
 138                 3 - error
 139                 4 - info
 140
 141         */
 142
 143         if (typeof __ != 'undefined') {
 144                 msg = __(msg);
 145         }
 146
 147         if (n_type == 1) {
 148                 n.className = "notify";
 149         } else if (n_type == 2) {
 150                 n.className = "notifyProgress";
 151                 msg = "<img src='"+getInitParam("sign_progress")+"'> " + msg;
 152         } else if (n_type == 3) {
 153                 n.className = "notifyError";
 154                 msg = "<img src='"+getInitParam("sign_excl")+"'> " + msg;
 155         } else if (n_type == 4) {
 156                 n.className = "notifyInfo";
 157                 msg = "<img src='"+getInitParam("sign_info")+"'> " + msg;
 158         }
 159
 160 //      msg = "<img src='images/live_com_loading.gif'> " + msg;
 161
 162         nb.innerHTML = msg;
 163
 164         if (!no_hide) {
 165                 notify_hide_timerid = window.setTimeout("hide_notify()", 3000);
 166         }
 167 }
 168
 169 function notify(msg, no_hide) {
 170         notify_real(msg, no_hide, 1);
 171 }
 172
 173 function notify_progress(msg, no_hide) {
 174         notify_real(msg, no_hide, 2);
 175 }
 176
 177 function notify_error(msg, no_hide) {
 178         notify_real(msg, no_hide, 3);
 179
 180 }
 181
 182 function notify_info(msg, no_hide) {
 183         notify_real(msg, no_hide, 4);
 184 }
 185
 186 function setCookie(name, value, lifetime, path, domain, secure) {
 187
 188         var d = false;
 189
 190         if (lifetime) {
 191                 d = new Date();
 192                 d.setTime(d.getTime() + (lifetime * 1000));
 193         }
 194
 195         console.log("setCookie: " + name + " => " + value + ": " + d);
 196
 197         int_setCookie(name, value, d, path, domain, secure);
 198
 199 }
 200
 201 function int_setCookie(name, value, expires, path, domain, secure) {
 202         document.cookie= name + "=" + escape(value) +
 203                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 204                 ((path) ? "; path=" + path : "") +
 205                 ((domain) ? "; domain=" + domain : "") +
 206                 ((secure) ? "; secure" : "");
 207 }
 208
 209 function delCookie(name, path, domain) {
 210         if (getCookie(name)) {
 211                 document.cookie = name + "=" +
 212                 ((path) ? ";path=" + path : "") +
 213                 ((domain) ? ";domain=" + domain : "" ) +
 214                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 215         }
 216 }
 217
 218
 219 function getCookie(name) {
 220
 221         var dc = document.cookie;
 222         var prefix = name + "=";
 223         var begin = dc.indexOf("; " + prefix);
 224         if (begin == -1) {
 225             begin = dc.indexOf(prefix);
 226             if (begin != 0) return null;
 227         }
 228         else {
 229             begin += 2;
 230         }
 231         var end = document.cookie.indexOf(";", begin);
 232         if (end == -1) {
 233             end = dc.length;
 234         }
 235         return unescape(dc.substring(begin + prefix.length, end));
 236 }
 237
 238 function gotoPreferences() {
 239         document.location.href = "prefs.php";
 240 }
 241
 242 function gotoMain() {
 243         document.location.href = "tt-rss.php";
 244 }
 245
 246 function gotoExportOpml() {
 247         document.location.href = "opml.php?op=Export";
 248 }
 249
 250
 251 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 252   * * @author Sundar Dorai-Raj
 253   * * Email: sdoraira@vt.edu
 254   * * This program is free software; you can redistribute it and/or
 255   * * modify it under the terms of the GNU General Public License
 256   * * as published by the Free Software Foundation; either version 2
 257   * * of the License, or (at your option) any later version,
 258   * * provided that any use properly credits the author.
 259   * * This program is distributed in the hope that it will be useful,
 260   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 261   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 262   * * GNU General Public License for more details at http://www.gnu.org * * */
 263
 264   var numbers=".0123456789";
 265   function isNumeric(x) {
 266     // is x a String or a character?
 267     if(x.length>1) {
 268       // remove negative sign
 269       x=Math.abs(x)+"";
 270       for(j=0;j<x.length;j++) {
 271         // call isNumeric recursively for each character
 272         number=isNumeric(x.substring(j,j+1));
 273         if(!number) return number;
 274       }
 275       return number;
 276     }
 277     else {
 278       // if x is number return true
 279       if(numbers.indexOf(x)>=0) return true;
 280       return false;
 281     }
 282   }
 283
 284
 285 function toggleSelectRowById(sender, id) {
 286         var row = $(id);
 287         return toggleSelectRow(sender, row);
 288 }
 289
 290 function toggleSelectListRow(sender) {
 291         var row = sender.parentNode;
 292         return toggleSelectRow(sender, row);
 293 }
 294
 295 /* this is for dijit Checkbox */
 296 function toggleSelectListRow2(sender) {
 297         var row = sender.domNode.parentNode;
 298         return toggleSelectRow(sender, row);
 299 }
 300
 301 function tSR(sender, row) {
 302         return toggleSelectRow(sender, row);
 303 }
 304
 305 /* this is for dijit Checkbox */
 306 function toggleSelectRow2(sender, row) {
 307
 308         if (!row) row = sender.domNode.parentNode.parentNode;
 309
 310         if (sender.checked && !row.hasClassName('Selected'))
 311                 row.addClassName('Selected');
 312         else
 313                 row.removeClassName('Selected');
 314 }
 315
 316
 317 function toggleSelectRow(sender, row) {
 318
 319         if (!row) row = sender.parentNode.parentNode;
 320
 321         if (sender.checked && !row.hasClassName('Selected'))
 322                 row.addClassName('Selected');
 323         else
 324                 row.removeClassName('Selected');
 325 }
 326
 327 function checkboxToggleElement(elem, id) {
 328         if (elem.checked) {
 329                 Effect.Appear(id, {duration : 0.5});
 330         } else {
 331                 Effect.Fade(id, {duration : 0.5});
 332         }
 333 }
 334
 335 function dropboxSelect(e, v) {
 336         for (i = 0; i < e.length; i++) {
 337                 if (e[i].value == v) {
 338                         e.selectedIndex = i;
 339                         break;
 340                 }
 341         }
 342 }
 343
 344 // originally stolen from http://www.11tmr.com/11tmr.nsf/d6plinks/MWHE-695L9Z
 345 // bugfixed just a little bit :-)
 346 function getURLParam(strParamName){
 347   var strReturn = "";
 348   var strHref = window.location.href;
 349
 350   if (strHref.indexOf("#") == strHref.length-1) {
 351                 strHref = strHref.substring(0, strHref.length-1);
 352   }
 353
 354   if ( strHref.indexOf("?") > -1 ){
 355     var strQueryString = strHref.substr(strHref.indexOf("?"));
 356     var aQueryString = strQueryString.split("&");
 357     for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
 358       if (aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
 359         var aParam = aQueryString[iParam].split("=");
 360         strReturn = aParam[1];
 361         break;
 362       }
 363     }
 364   }
 365   return strReturn;
 366 }
 367
 368 function leading_zero(p) {
 369         var s = String(p);
 370         if (s.length == 1) s = "0" + s;
 371         return s;
 372 }
 373
 374 function make_timestamp() {
 375         var d = new Date();
 376
 377         return leading_zero(d.getHours()) + ":" + leading_zero(d.getMinutes()) +
 378                         ":" + leading_zero(d.getSeconds());
 379 }
 380
 381
 382 function closeErrorBox() {
 383
 384         if (Element.visible("errorBoxShadow")) {
 385                 Element.hide("dialog_overlay");
 386                 Element.hide("errorBoxShadow");
 387         }
 388
 389         return false;
 390 }
 391
 392 function closeInfoBox(cleanup) {
 393         try {
 394                 dialog = dijit.byId("infoBox");
 395
 396                 if (dialog)     dialog.hide();
 397
 398         } catch (e) {
 399                 //exception_error("closeInfoBox", e);
 400         }
 401         return false;
 402 }
 403
 404
 405 function displayDlg(id, param, callback) {
 406
 407         notify_progress("Loading, please wait...", true);
 408
 409         var query = "?op=dlg&id=" +
 410                 param_escape(id) + "&param=" + param_escape(param);
 411
 412         new Ajax.Request("backend.php", {
 413                 parameters: query,
 414                 onComplete: function (transport) {
 415                         infobox_callback2(transport);
 416                         if (callback) callback(transport);
 417                 } });
 418
 419         return false;
 420 }
 421
 422 function infobox_callback2(transport) {
 423         try {
 424                 var dialog = false;
 425
 426                 if (dijit.byId("infoBox")) {
 427                         dialog = dijit.byId("infoBox");
 428                 }
 429
 430                 //console.log("infobox_callback2");
 431                 notify('');
 432
 433                 var content;
 434                 var dtitle = "Dialog";
 435
 436                 var dlg = transport.responseXML.getElementsByTagName("dlg")[0];
 437
 438                 var title = transport.responseXML.getElementsByTagName("title")[0];
 439                 if (title)
 440                         title = title.firstChild.nodeValue;
 441
 442                 var content = transport.responseXML.getElementsByTagName("content")[0];
 443
 444                 content = content.firstChild.nodeValue;
 445
 446                 if (!dialog) {
 447                         dialog = new dijit.Dialog({
 448                                 title: title,
 449                                 id: 'infoBox',
 450                                 style: "width: 600px",
 451                                 onCancel: function() {
 452                                         return true;
 453                                 },
 454                                 onExecute: function() {
 455                                         return true;
 456                                 },
 457                                 onClose: function() {
 458                                         return true;
 459                                         },
 460                                 content: content});
 461                 } else {
 462                         dialog.attr('title', title);
 463                         dialog.attr('content', content);
 464                 }
 465
 466                 dialog.show();
 467
 468                 notify("");
 469         } catch (e) {
 470                 exception_error("infobox_callback2", e);
 471         }
 472 }
 473
 474 function filterCR(e, f)
 475 {
 476      var key;
 477
 478      if(window.event)
 479           key = window.event.keyCode;     //IE
 480      else
 481           key = e.which;     //firefox
 482
 483         if (key == 13) {
 484                 if (typeof f != 'undefined') {
 485                         f();
 486                         return false;
 487                 } else {
 488                         return false;
 489                 }
 490         } else {
 491                 return true;
 492         }
 493 }
 494
 495 function getInitParam(key) {
 496         return init_params[key];
 497 }
 498
 499 function setInitParam(key, value) {
 500         init_params[key] = value;
 501 }
 502
 503 function fatalError(code, msg, ext_info) {
 504         try {
 505
 506                 if (!ext_info) ext_info = "N/A";
 507
 508                 if (code == 6) {
 509                         window.location.href = "tt-rss.php";
 510                 } else if (code == 5) {
 511                         window.location.href = "db-updater.php";
 512                 } else {
 513
 514                         if (msg == "") msg = "Unknown error";
 515
 516                         var ebc = $("xebContent");
 517
 518                         if (ebc) {
 519
 520                                 Element.show("dialog_overlay");
 521                                 Element.show("errorBoxShadow");
 522                                 Element.hide("xebBtn");
 523
 524                                 if (ext_info) {
 525                                         if (ext_info.responseText) {
 526                                                 ext_info = ext_info.responseText;
 527                                         }
 528                                 }
 529
 530                                 ebc.innerHTML =
 531                                         "<div><b>Error message:</b></div>" +
 532                                         "<pre>" + msg + "</pre>" +
 533                                         "<div><b>Additional information:</b></div>" +
 534                                         "<textarea readonly=\"1\">" + ext_info + "</textarea>";
 535                         }
 536                 }
 537
 538         } catch (e) {
 539                 exception_error("fatalError", e);
 540         }
 541 }
 542
 543 function filterDlgCheckType(sender) {
 544
 545         try {
 546
 547                 var ftype = sender.value;
 548
 549                 // if selected filter type is 5 (Date) enable the modifier dropbox
 550                 if (ftype == 5) {
 551                         Element.show("filterDlg_dateModBox");
 552                         Element.show("filterDlg_dateChkBox");
 553                 } else {
 554                         Element.hide("filterDlg_dateModBox");
 555                         Element.hide("filterDlg_dateChkBox");
 556
 557                 }
 558
 559         } catch (e) {
 560                 exception_error("filterDlgCheckType", e);
 561         }
 562
 563 }
 564
 565 function filterDlgCheckAction(sender) {
 566
 567         try {
 568
 569                 var action = sender.value;
 570
 571                 var action_param = $("filterDlg_paramBox");
 572
 573                 if (!action_param) {
 574                         console.log("filterDlgCheckAction: can't find action param box!");
 575                         return;
 576                 }
 577
 578                 // if selected action supports parameters, enable params field
 579                 if (action == 4 || action == 6 || action == 7) {
 580                         new Effect.Appear(action_param, {duration : 0.5});
 581                         if (action != 7) {
 582                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
 583                                 Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
 584                         } else {
 585                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
 586                                 Element.hide(dijit.byId("filterDlg_actionParam").domNode);
 587                         }
 588                 } else {
 589                         Element.hide(action_param);
 590                 }
 591
 592         } catch (e) {
 593                 exception_error("filterDlgCheckAction", e);
 594         }
 595
 596 }
 597
 598 function filterDlgCheckDate() {
 599         try {
 600                 var dialog = dijit.byId("filterEditDlg");
 601
 602                 var reg_exp = dialog.attr('value').reg_exp;
 603
 604                 var query = "?op=rpc&subop=checkDate&date=" + reg_exp;
 605
 606                 new Ajax.Request("backend.php", {
 607                         parameters: query,
 608                         onComplete: function(transport) {
 609
 610                                 var reply = JSON.parse(transport.responseText);
 611
 612                                 if (reply['result'] == true) {
 613                                         alert(__("Date syntax appears to be correct."));
 614                                         return;
 615                                 } else {
 616                                         alert(__("Date syntax is incorrect."));
 617                                 }
 618
 619                         } });
 620
 621
 622         } catch (e) {
 623                 exception_error("filterDlgCheckDate", e);
 624         }
 625 }
 626
 627 function explainError(code) {
 628         return displayDlg("explainError", code);
 629 }
 630
 631 function displayHelpInfobox(topic_id) {
 632
 633         var url = "backend.php?op=help&tid=" + param_escape(topic_id);
 634
 635         var w = window.open(url, "ttrss_help",
 636                 "status=0,toolbar=0,location=0,width=450,height=500,scrollbars=1,menubar=0");
 637
 638 }
 639
 640 function loading_set_progress(p) {
 641         try {
 642                 loading_progress += p;
 643
 644                 if (dijit.byId("loading_bar"))
 645                         dijit.byId("loading_bar").update({progress: loading_progress});
 646
 647                 if (loading_progress >= 90)
 648                         remove_splash();
 649
 650         } catch (e) {
 651                 exception_error("loading_set_progress", e);
 652         }
 653 }
 654
 655 function remove_splash() {
 656
 657         if (Element.visible("overlay")) {
 658                 console.log("about to remove splash, OMG!");
 659                 Element.hide("overlay");
 660                 console.log("removed splash!");
 661         }
 662 }
 663
 664 function transport_error_check(transport) {
 665         try {
 666                 if (transport.responseXML) {
 667                         var error = transport.responseXML.getElementsByTagName("error")[0];
 668
 669                         if (error) {
 670                                 var code = error.getAttribute("error-code");
 671                                 var msg = error.getAttribute("error-msg");
 672                                 if (code != 0) {
 673                                         fatalError(code, msg);
 674                                         return false;
 675                                 }
 676                         }
 677                 }
 678         } catch (e) {
 679                 exception_error("check_for_error_xml", e);
 680         }
 681         return true;
 682 }
 683
 684 function strip_tags(s) {
 685         return s.replace(/<\/?[^>]+(>|$)/g, "");
 686 }
 687
 688 function truncate_string(s, length) {
 689         if (!length) length = 30;
 690         var tmp = s.substring(0, length);
 691         if (s.length > length) tmp += "&hellip;";
 692         return tmp;
 693 }
 694
 695 function hotkey_prefix_timeout() {
 696         try {
 697
 698                 var date = new Date();
 699                 var ts = Math.round(date.getTime() / 1000);
 700
 701                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
 702                         console.log("hotkey_prefix seems to be stuck, aborting");
 703                         hotkey_prefix_pressed = false;
 704                         hotkey_prefix = false;
 705                         Element.hide('cmdline');
 706                 }
 707
 708                 setTimeout("hotkey_prefix_timeout()", 1000);
 709
 710         } catch  (e) {
 711                 exception_error("hotkey_prefix_timeout", e);
 712         }
 713 }
 714
 715 function hideAuxDlg() {
 716         try {
 717                 Element.hide('auxDlg');
 718         } catch (e) {
 719                 exception_error("hideAuxDlg", e);
 720         }
 721 }
 722
 723
 724 function uploadIconHandler(rc) {
 725         try {
 726                 switch (rc) {
 727                         case 0:
 728                                 notify_info("Upload complete.");
 729                                 if (inPreferences()) {
 730                                         updateFeedList();
 731                                 } else {
 732                                         setTimeout('updateFeedList(false, false)', 50);
 733                                 }
 734                                 break;
 735                         case 1:
 736                                 notify_error("Upload failed: icon is too big.");
 737                                 break;
 738                         case 2:
 739                                 notify_error("Upload failed.");
 740                                 break;
 741                 }
 742
 743         } catch (e) {
 744                 exception_error("uploadIconHandler", e);
 745         }
 746 }
 747
 748 function removeFeedIcon(id) {
 749
 750         try {
 751
 752                 if (confirm(__("Remove stored feed icon?"))) {
 753                         var query = "backend.php?op=pref-feeds&subop=removeicon&feed_id=" + param_escape(id);
 754
 755                         console.log(query);
 756
 757                         notify_progress("Removing feed icon...", true);
 758
 759                         new Ajax.Request("backend.php", {
 760                                 parameters: query,
 761                                 onComplete: function(transport) {
 762                                         notify_info("Feed icon removed.");
 763                                         if (inPreferences()) {
 764                                                 updateFeedList();
 765                                         } else {
 766                                                 setTimeout('updateFeedList(false, false)', 50);
 767                                         }
 768                                 } });
 769                 }
 770
 771                 return false;
 772         } catch (e) {
 773                 exception_error("uploadFeedIcon", e);
 774         }
 775 }
 776
 777 function uploadFeedIcon() {
 778
 779         try {
 780
 781                 var file = $("icon_file");
 782
 783                 if (file.value.length == 0) {
 784                         alert(__("Please select an image file to upload."));
 785                 } else {
 786                         if (confirm(__("Upload new icon for this feed?"))) {
 787                                 notify_progress("Uploading, please wait...", true);
 788                                 return true;
 789                         }
 790                 }
 791
 792                 return false;
 793
 794         } catch (e) {
 795                 exception_error("uploadFeedIcon", e);
 796         }
 797 }
 798
 799 function addLabel(select, callback) {
 800
 801         try {
 802
 803                 var caption = prompt(__("Please enter label caption:"), "");
 804
 805                 if (caption != undefined) {
 806
 807                         if (caption == "") {
 808                                 alert(__("Can't create label: missing caption."));
 809                                 return false;
 810                         }
 811
 812                         var query = "?op=pref-labels&subop=add&caption=" +
 813                                 param_escape(caption);
 814
 815                         if (select)
 816                                 query += "&output=select";
 817
 818                         notify_progress("Loading, please wait...", true);
 819
 820                         if (inPreferences() && !select) active_tab = "labelConfig";
 821
 822                         new Ajax.Request("backend.php", {
 823                                 parameters: query,
 824                                 onComplete: function(transport) {
 825                                         if (callback) {
 826                                                 callback(transport);
 827                                         } else if (inPreferences()) {
 828                                                 updateLabelList();
 829                                         } else {
 830                                                 updateFeedList();
 831                                         }
 832                         } });
 833
 834                 }
 835
 836         } catch (e) {
 837                 exception_error("addLabel", e);
 838         }
 839 }
 840
 841 function quickAddFeed() {
 842         try {
 843                 var query = "backend.php?op=dlg&id=quickAddFeed";
 844
 845                 if (dijit.byId("feedAddDlg"))
 846                         dijit.byId("feedAddDlg").destroyRecursive();
 847
 848                 var dialog = new dijit.Dialog({
 849                         id: "feedAddDlg",
 850                         title: __("Subscribe to Feed"),
 851                         style: "width: 600px",
 852                         execute: function() {
 853                                 if (this.validate()) {
 854                                         console.log(dojo.objectToQuery(this.attr('value')));
 855
 856                                         var feed_url = this.attr('value').feed;
 857
 858                                         notify_progress(__("Subscribing to feed..."), true);
 859
 860                                         new Ajax.Request("backend.php", {
 861                                                 parameters: dojo.objectToQuery(this.attr('value')),
 862                                                 onComplete: function(transport) {
 863                                                         try {
 864
 865                                                                 var reply = JSON.parse(transport.responseText);
 866
 867                                                                 var rc = parseInt(reply['result']);
 868
 869                                                                 notify('');
 870
 871                                                                 console.log("GOT RC: " + rc);
 872
 873                                                                 switch (rc) {
 874                                                                 case 1:
 875                                                                         dialog.hide();
 876                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
 877
 878                                                                         updateFeedList();
 879                                                                         break;
 880                                                                 case 2:
 881                                                                         alert(__("Specified URL seems to be invalid."));
 882                                                                         break;
 883                                                                 case 3:
 884                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
 885                                                                         break;
 886                                                                 case 4:
 887                                                                         notify_progress("Searching for feed urls...", true);
 888
 889                                                                         new Ajax.Request("backend.php", {
 890                                                                                 parameters: 'op=rpc&subop=extractfeedurls&url=' + param_escape(feed_url),
 891                                                                                 onComplete: function(transport, dialog, feed_url) {
 892
 893                                                                                         notify('');
 894
 895                                                                                         var reply = JSON.parse(transport.responseText);
 896
 897                                                                                         var feeds = reply['urls'];
 898
 899                                                                                         console.log(transport.responseText);
 900
 901                                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
 902
 903                                                                                         while (select.getOptions().length > 0)
 904                                                                                                 select.removeOption(0);
 905
 906                                                                                         var count = 0;
 907                                                                                         for (var feedUrl in feeds) {
 908                                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
 909                                                                                                 count++;
 910                                                                                         }
 911
 912 //                                                                                      if (count > 5) count = 5;
 913 //                                                                                      select.size = count;
 914
 915                                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
 916                                                                                 }
 917                                                                         });
 918                                                                         break;
 919                                                                 case 5:
 920                                                                         alert(__("Couldn't download the specified URL."));
 921                                                                         break;
 922                                                                 case 0:
 923                                                                         alert(__("You are already subscribed to this feed."));
 924                                                                         break;
 925                                                                 }
 926
 927                                                         } catch (e) {
 928                                                                 exception_error("subscribeToFeed", e);
 929                                                         }
 930
 931                                                 } });
 932
 933                                         }
 934                         },
 935                         href: query});
 936
 937                 dialog.show();
 938         } catch (e) {
 939                 exception_error("quickAddFeed", e);
 940         }
 941 }
 942
 943 function quickAddFilter() {
 944         try {
 945                 var query = "backend.php?op=dlg&id=quickAddFilter";
 946
 947                 if (dijit.byId("filterEditDlg"))
 948                         dijit.byId("filterEditDlg").destroyRecursive();
 949
 950                 dialog = new dijit.Dialog({
 951                         id: "filterEditDlg",
 952                         title: __("Create Filter"),
 953                         style: "width: 600px",
 954                         execute: function() {
 955                                 if (this.validate()) {
 956
 957                                         var query = "?op=rpc&subop=verifyRegexp&reg_exp=" +
 958                                                 param_escape(dialog.attr('value').reg_exp);
 959
 960                                         notify_progress("Verifying regular expression...");
 961
 962                                         new Ajax.Request("backend.php", {
 963                                                 parameters: query,
 964                                                 onComplete: function(transport) {
 965                                                         handle_rpc_reply(transport);
 966                                                         var response = transport.responseXML;
 967
 968                                                         if (response) {
 969                                                                 var s = response.getElementsByTagName("status")[0].firstChild.nodeValue;
 970
 971                                                                 notify('');
 972
 973                                                                 if (s == "INVALID") {
 974                                                                         alert("Match regular expression seems to be invalid.");
 975                                                                         return;
 976                                                                 } else {
 977                                                                         notify_progress("Saving data...", true);
 978
 979                                                                         console.log(dojo.objectToQuery(dialog.attr('value')));
 980
 981                                                                         new Ajax.Request("backend.php", {
 982                                                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
 983                                                                                 onComplete: function(transport) {
 984                                                                                         dialog.hide();
 985                                                                                         notify_info(transport.responseText);
 986                                                                                         if (inPreferences()) {
 987                                                                                                 updateFilterList();
 988                                                                                         }
 989                                                                         }})
 990                                                                 }
 991                                                         }
 992                                         }});
 993                                 }
 994                         },
 995                         href: query});
 996
 997                 dialog.show();
 998         } catch (e) {
 999                 exception_error("quickAddFilter", e);
1000         }
1001 }
1002
1003 function unsubscribeFeed(feed_id, title) {
1004
1005         var msg = __("Unsubscribe from %s?").replace("%s", title);
1006
1007         if (title == undefined || confirm(msg)) {
1008                 notify_progress("Removing feed...");
1009
1010                 var query = "?op=pref-feeds&quiet=1&subop=remove&ids=" + feed_id;
1011
1012                 new Ajax.Request("backend.php", {
1013                         parameters: query,
1014                         onComplete: function(transport) {
1015
1016                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1017
1018                                         if (inPreferences()) {
1019                                                 updateFeedList();
1020                                         } else {
1021                                                 if (feed_id == getActiveFeedId())
1022                                                         setTimeout("viewfeed(-5)", 100);
1023                                         }
1024
1025                                 } });
1026         }
1027
1028         return false;
1029 }
1030
1031
1032 function backend_sanity_check_callback(transport) {
1033
1034         try {
1035
1036                 if (sanity_check_done) {
1037                         fatalError(11, "Sanity check request received twice. This can indicate "+
1038                       "presence of Firebug or some other disrupting extension. "+
1039                                 "Please disable it and try again.");
1040                         return;
1041                 }
1042
1043                 if (!transport.responseXML) {
1044                         if (!store) {
1045                                 fatalError(3, "Sanity check: Received reply is not XML",
1046                                         transport.responseText);
1047                                 return;
1048                         }
1049                 }
1050
1051                 var reply = transport.responseXML.getElementsByTagName("error")[0];
1052
1053                 if (!reply) {
1054                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1055                         return;
1056                 }
1057
1058                 var error_code = reply.getAttribute("error-code");
1059
1060                 if (error_code && error_code != 0) {
1061                         return fatalError(error_code, reply.getAttribute("error-msg"));
1062                 }
1063
1064                 console.log("sanity check ok");
1065
1066                 var params = transport.responseXML.getElementsByTagName("init-params")[0];
1067
1068                 if (params) {
1069                         console.log('reading init-params...');
1070
1071                         params = JSON.parse(params.firstChild.nodeValue);
1072
1073                         if (params) {
1074                                 for (k in params) {
1075                                         var v = params[k];
1076                                         console.log("IP: " + k + " => " + v);
1077                                 }
1078                         }
1079
1080                         init_params = params;
1081                 }
1082
1083                 sanity_check_done = true;
1084
1085                 init_second_stage();
1086
1087         } catch (e) {
1088                 exception_error("backend_sanity_check_callback", e, transport);
1089         }
1090 }
1091
1092 function has_local_storage() {
1093         try {
1094                 return 'sessionStorage' in window && window['sessionStorage'] != null;
1095         } catch (e) {
1096                 return false;
1097         }
1098 }
1099
1100 function catSelectOnChange(elem) {
1101         try {
1102 /*              var value = elem[elem.selectedIndex].value;
1103                 var def = elem.getAttribute('default');
1104
1105                 if (value == "ADD_CAT") {
1106
1107                         if (def)
1108                                 dropboxSelect(elem, def);
1109                         else
1110                                 elem.selectedIndex = 0;
1111
1112                         quickAddCat(elem);
1113                 } */
1114
1115         } catch (e) {
1116                 exception_error("catSelectOnChange", e);
1117         }
1118 }
1119
1120 function quickAddCat(elem) {
1121         try {
1122                 var cat = prompt(__("Please enter category title:"));
1123
1124                 if (cat) {
1125
1126                         var query = "?op=rpc&subop=quickAddCat&cat=" + param_escape(cat);
1127
1128                         notify_progress("Loading, please wait...", true);
1129
1130                         new Ajax.Request("backend.php", {
1131                                 parameters: query,
1132                                 onComplete: function (transport) {
1133                                         var response = transport.responseXML;
1134                                         var select = response.getElementsByTagName("select")[0];
1135                                         var options = select.getElementsByTagName("option");
1136
1137                                         dropbox_replace_options(elem, options);
1138
1139                                         notify('');
1140
1141                         } });
1142
1143                 }
1144
1145         } catch (e) {
1146                 exception_error("quickAddCat", e);
1147         }
1148 }
1149
1150 function genUrlChangeKey(feed, is_cat) {
1151
1152         try {
1153                 var ok = confirm(__("Generate new syndication address for this feed?"));
1154
1155                 if (ok) {
1156
1157                         notify_progress("Trying to change address...", true);
1158
1159                         var query = "?op=rpc&subop=regenFeedKey&id=" + param_escape(feed) +
1160                                 "&is_cat=" + param_escape(is_cat);
1161
1162                         new Ajax.Request("backend.php", {
1163                                 parameters: query,
1164                                 onComplete: function(transport) {
1165                                                 var new_link = transport.responseXML.getElementsByTagName("link")[0];
1166
1167                                                 var e = $('gen_feed_url');
1168
1169                                                 if (new_link) {
1170
1171                                                         new_link = new_link.firstChild.nodeValue;
1172
1173                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1174                                                                 "&amp;key=" + new_link);
1175
1176                                                         e.href = e.href.replace(/\&amp;key=.*$/,
1177                                                                 "&amp;key=" + new_link);
1178
1179                                                         new Effect.Highlight(e);
1180
1181                                                         notify('');
1182
1183                                                 } else {
1184                                                         notify_error("Could not change feed URL.");
1185                                                 }
1186                                 } });
1187                 }
1188         } catch (e) {
1189                 exception_error("genUrlChangeKey", e);
1190         }
1191         return false;
1192 }
1193
1194 function labelSelectOnChange(elem) {
1195         try {
1196 /*              var value = elem[elem.selectedIndex].value;
1197                 var def = elem.getAttribute('default');
1198
1199                 if (value == "ADD_LABEL") {
1200
1201                         if (def)
1202                                 dropboxSelect(elem, def);
1203                         else
1204                                 elem.selectedIndex = 0;
1205
1206                         addLabel(elem, function(transport) {
1207
1208                                         try {
1209
1210                                                 var response = transport.responseXML;
1211                                                 var select = response.getElementsByTagName("select")[0];
1212                                                 var options = select.getElementsByTagName("option");
1213
1214                                                 dropbox_replace_options(elem, options);
1215
1216                                                 notify('');
1217                                         } catch (e) {
1218                                                 exception_error("addLabel", e);
1219                                         }
1220                         });
1221                 } */
1222
1223         } catch (e) {
1224                 exception_error("labelSelectOnChange", e);
1225         }
1226 }
1227
1228 function dropbox_replace_options(elem, options) {
1229
1230         try {
1231                 while (elem.hasChildNodes())
1232                         elem.removeChild(elem.firstChild);
1233
1234                 var sel_idx = -1;
1235
1236                 for (var i = 0; i < options.length; i++) {
1237                         var text = options[i].firstChild.nodeValue;
1238                         var value = options[i].getAttribute("value");
1239
1240                         if (value == undefined) value = text;
1241
1242                         var issel = options[i].getAttribute("selected") == "1";
1243
1244                         var option = new Option(text, value, issel);
1245
1246                         if (options[i].getAttribute("disabled"))
1247                                 option.setAttribute("disabled", true);
1248
1249                         elem.insert(option);
1250
1251                         if (issel) sel_idx = i;
1252                 }
1253
1254                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1255                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1256
1257         } catch (e) {
1258                 exception_error("dropbox_replace_options", e);
1259         }
1260 }
1261
1262 // mode = all, none, invert
1263 function selectTableRows(id, mode) {
1264         try {
1265                 var rows = $(id).rows;
1266
1267                 for (var i = 0; i < rows.length; i++) {
1268                         var row = rows[i];
1269                         var cb = false;
1270
1271                         if (row.id && row.className) {
1272                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1273                                 var inputs = rows[i].getElementsByTagName("input");
1274
1275                                 for (var j = 0; j < inputs.length; j++) {
1276                                         var input = inputs[j];
1277
1278                                         if (input.getAttribute("type") == "checkbox" &&
1279                                                         input.id.match(bare_id)) {
1280
1281                                                 cb = input;
1282                                                 break;
1283                                         }
1284                                 }
1285
1286                                 if (cb) {
1287                                         var issel = row.hasClassName("Selected");
1288
1289                                         if (mode == "all" && !issel) {
1290                                                 row.addClassName("Selected");
1291                                                 cb.checked = true;
1292                                         } else if (mode == "none" && issel) {
1293                                                 row.removeClassName("Selected");
1294                                                 cb.checked = false;
1295                                         } else if (mode == "invert") {
1296
1297                                                 if (issel) {
1298                                                         row.removeClassName("Selected");
1299                                                         cb.checked = false;
1300                                                 } else {
1301                                                         row.addClassName("Selected");
1302                                                         cb.checked = true;
1303                                                 }
1304                                         }
1305                                 }
1306                         }
1307                 }
1308
1309         } catch (e) {
1310                 exception_error("selectTableRows", e);
1311
1312         }
1313 }
1314
1315 function getSelectedTableRowIds(id) {
1316         var rows = [];
1317
1318         try {
1319                 var elem_rows = $(id).rows;
1320
1321                 for (i = 0; i < elem_rows.length; i++) {
1322                         if (elem_rows[i].hasClassName("Selected")) {
1323                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1324                                 rows.push(bare_id);
1325                         }
1326                 }
1327
1328         } catch (e) {
1329                 exception_error("getSelectedTableRowIds", e);
1330         }
1331
1332         return rows;
1333 }
1334
1335 function editFeed(feed, event) {
1336         try {
1337                 if (feed <= 0)
1338                         return alert(__("You can't edit this kind of feed."));
1339
1340                 var query = "backend.php?op=pref-feeds&subop=editfeed&id=" +
1341                         param_escape(feed);
1342
1343                 console.log(query);
1344
1345                 if (dijit.byId("feedEditDlg"))
1346                         dijit.byId("feedEditDlg").destroyRecursive();
1347
1348                 dialog = new dijit.Dialog({
1349                         id: "feedEditDlg",
1350                         title: __("Edit Feed"),
1351                         style: "width: 600px",
1352                         execute: function() {
1353                                 if (this.validate()) {
1354 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1355
1356                                         notify_progress("Saving data...", true);
1357
1358                                         new Ajax.Request("backend.php", {
1359                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1360                                                 onComplete: function(transport) {
1361                                                         dialog.hide();
1362                                                         updateFeedList();
1363                                         }})
1364                                 }
1365                         },
1366                         href: query});
1367
1368                 dialog.show();
1369
1370         } catch (e) {
1371                 exception_error("editFeed", e);
1372         }
1373 }
1374
1375 function feedBrowser() {
1376         try {
1377                 var query = "backend.php?op=dlg&id=feedBrowser";
1378
1379                 if (dijit.byId("feedAddDlg"))
1380                         dijit.byId("feedAddDlg").hide();
1381
1382                 if (dijit.byId("feedBrowserDlg"))
1383                         dijit.byId("feedBrowserDlg").destroyRecursive();
1384
1385                 var dialog = new dijit.Dialog({
1386                         id: "feedBrowserDlg",
1387                         title: __("More Feeds"),
1388                         style: "width: 600px",
1389                         getSelectedFeeds: function() {
1390                                 var list = $$("#browseFeedList li[id*=FBROW]");
1391                                 var selected = new Array();
1392
1393                                 list.each(function(child) {
1394                                         var id = child.id.replace("FBROW-", "");
1395
1396                                         if (child.hasClassName('Selected')) {
1397                                                 selected.push(id);
1398                                         }
1399                                 });
1400
1401                                 return selected;
1402                         },
1403                         subscribe: function() {
1404                                 var selected = this.getSelectedFeeds();
1405                                 var mode = this.attr('value').mode;
1406
1407                                 if (selected.length > 0) {
1408                                         dijit.byId("feedBrowserDlg").hide();
1409
1410                                         notify_progress("Loading, please wait...", true);
1411
1412                                         var query = "?op=rpc&subop=massSubscribe&ids="+
1413                                                 param_escape(selected.toString()) + "&mode=" + param_escape(mode);
1414
1415                                         console.log(query);
1416
1417                                         new Ajax.Request("backend.php", {
1418                                                 parameters: query,
1419                                                 onComplete: function(transport) {
1420                                                         if (inPreferences()) {
1421                                                                 updateFeedList();
1422                                                         }
1423                                                 } });
1424
1425                                 } else {
1426                                         alert(__("No feeds are selected."));
1427                                 }
1428
1429                         },
1430                         update: function() {
1431                                 var query = dojo.objectToQuery(dialog.attr('value'));
1432
1433                                 Element.show('feed_browser_spinner');
1434
1435                                 new Ajax.Request("backend.php", {
1436                                         parameters: query,
1437                                         onComplete: function(transport) {
1438                                                 notify('');
1439
1440                                                 Element.hide('feed_browser_spinner');
1441
1442                                                 var c = $("browseFeedList");
1443
1444                                                 var reply = JSON.parse(transport.responseText);
1445
1446                                                 var r = reply['content'];
1447                                                 var mode = reply['mode'];
1448
1449                                                 if (c && r) {
1450                                                         c.innerHTML = r;
1451                                                 }
1452
1453                                                 dojo.parser.parse("browseFeedList");
1454
1455                                                 if (mode == 2) {
1456                                                         Element.show(dijit.byId('feed_archive_remove').domNode);
1457                                                 } else {
1458                                                         Element.hide(dijit.byId('feed_archive_remove').domNode);
1459                                                 }
1460
1461                                         } });
1462                         },
1463                         removeFromArchive: function() {
1464                                 var selected = this.getSelectedFeeds();
1465
1466                                 if (selected.length > 0) {
1467
1468                                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1469
1470                                         if (confirm(pr)) {
1471                                                 Element.show('feed_browser_spinner');
1472
1473                                                 var query = "?op=rpc&subop=remarchived&ids=" +
1474                                                         param_escape(selected.toString());;
1475
1476                                                 new Ajax.Request("backend.php", {
1477                                                         parameters: query,
1478                                                         onComplete: function(transport) {
1479                                                                 dialog.update();
1480                                                         } });
1481                                         }
1482                                 }
1483                         },
1484                         execute: function() {
1485                                 if (this.validate()) {
1486                                         this.subscribe();
1487                                 }
1488                         },
1489                         href: query});
1490
1491                 dialog.show();
1492
1493         } catch (e) {
1494                 exception_error("editFeed", e);
1495         }
1496 }
1497
1498