prefs.js

   1 var xmlhttp = false;
   2
   3 var active_feed_cat = false;
   4 var active_label = false;
   5 var active_tab = false;
   6 var feed_to_expand = false;
   7
   8 var piggie_top = -400;
   9 var piggie_fwd = true;
  10
  11 var xmlhttp = Ajax.getTransport();
  12
  13 var init_params = new Array();
  14
  15 var caller_subop = false;
  16
  17 var sanity_check_done = false;
  18
  19 function replace_pubkey_callback() {
  20         if (xmlhttp.readyState == 4) {
  21                 try {
  22                         var link = document.getElementById("pubGenAddress");
  23
  24                         if (xmlhttp.responseXML) {
  25
  26                                 var new_link = xmlhttp.responseXML.getElementsByTagName("link")[0];
  27
  28                                 if (new_link) {
  29                                         link.href = new_link.firstChild.nodeValue;
  30                                         link.innerHTML = new_link.firstChild.nodeValue;
  31
  32                                         notify_info("Address changed.");
  33                                 } else {
  34                                         notify_error("Could not change address.");
  35                                 }
  36
  37                         } else {
  38                                 notify_error("Could not change address.");
  39                         }
  40                 } catch (e) {
  41                         exception_error("replace_pubkey_callback", e);
  42                 }
  43         }
  44 }
  45
  46 function expand_feed_callback() {
  47         if (xmlhttp.readyState == 4) {
  48                 try {
  49                         var container = document.getElementById("BRDET-" + feed_to_expand);
  50                         container.innerHTML=xmlhttp.responseText;
  51                         container.style.display = "block";
  52 //                      p_notify("");
  53                 } catch (e) {
  54                         exception_error("expand_feed_callback", e);
  55                 }
  56         }
  57 }
  58
  59 function feedlist_callback() {
  60         if (xmlhttp.readyState == 4) {
  61                 try {
  62                         var container = document.getElementById('prefContent');
  63                         container.innerHTML=xmlhttp.responseText;
  64                         selectTab("feedConfig", true);
  65
  66                         if (caller_subop) {
  67                                 var tuple = caller_subop.split(":");
  68                                 if (tuple[0] == 'editFeed') {
  69                                         window.setTimeout('editFeed('+tuple[1]+')', 100);
  70                                 }
  71
  72                                 caller_subop = false;
  73                         }
  74                         if (typeof correctPNG != 'undefined') {
  75                                 correctPNG();
  76                         }
  77                         notify("");
  78                 } catch (e) {
  79                         exception_error("feedlist_callback", e);
  80                 }
  81         }
  82 }
  83
  84 /* stub for subscription dialog */
  85
  86 function dlg_frefresh_callback() {
  87         if (xmlhttp.readyState == 4) {
  88         //      setTimeout("updateFeedList()", 500);
  89
  90                 try {
  91                         var container = document.getElementById('prefContent');
  92                         container.innerHTML=xmlhttp.responseText;
  93                         selectTab("feedConfig", true);
  94
  95                         if (caller_subop) {
  96                                 var tuple = caller_subop.split(":");
  97                                 if (tuple[0] == 'editFeed') {
  98                                         window.setTimeout('editFeed('+tuple[1]+')', 100);
  99                                 }
 100
 101                                 caller_subop = false;
 102                         }
 103                         if (typeof correctPNG != 'undefined') {
 104                                 correctPNG();
 105                         }
 106                         notify("");
 107                 } catch (e) {
 108                         exception_error("feedlist_callback", e);
 109                 }
 110         }
 111 }
 112
 113 function filterlist_callback() {
 114         var container = document.getElementById('prefContent');
 115         if (xmlhttp.readyState == 4) {
 116                 container.innerHTML=xmlhttp.responseText;
 117                 if (typeof correctPNG != 'undefined') {
 118                         correctPNG();
 119                 }
 120                 notify("");
 121         }
 122 }
 123
 124 function labellist_callback() {
 125         var container = document.getElementById('prefContent');
 126         if (xmlhttp.readyState == 4) {
 127                 closeInfoBox();
 128                 container.innerHTML=xmlhttp.responseText;
 129                 if (active_label) {
 130                         var row = document.getElementById("LILRR-" + active_label);
 131                         if (row) {
 132                                 if (!row.className.match("Selected")) {
 133                                         row.className = row.className + "Selected";
 134                                 }
 135                         }
 136                         var checkbox = document.getElementById("LICHK-" + active_label);
 137
 138                         if (checkbox) {
 139                                 checkbox.checked = true;
 140                         }
 141                 }
 142                 if (typeof correctPNG != 'undefined') {
 143                         correctPNG();
 144                 }
 145                 notify("");
 146         }
 147 }
 148
 149 function labeltest_callback() {
 150         var container = document.getElementById('label_test_result');
 151         if (xmlhttp.readyState == 4) {
 152                 container.innerHTML=xmlhttp.responseText;
 153                 notify("");
 154         }
 155 }
 156
 157 function feed_browser_callback() {
 158         var container = document.getElementById('prefContent');
 159         if (xmlhttp.readyState == 4) {
 160                 container.innerHTML=xmlhttp.responseText;
 161                 notify("");
 162         }
 163 }
 164
 165 function userlist_callback() {
 166         var container = document.getElementById('prefContent');
 167         if (xmlhttp.readyState == 4) {
 168                 container.innerHTML=xmlhttp.responseText;
 169                 notify("");
 170         }
 171 }
 172
 173 function prefslist_callback() {
 174         var container = document.getElementById('prefContent');
 175         if (xmlhttp.readyState == 4) {
 176
 177                 container.innerHTML=xmlhttp.responseText;
 178
 179                 notify("");
 180         }
 181 }
 182
 183 function gethelp_callback() {
 184         var container = document.getElementById('prefHelpBox');
 185         if (xmlhttp.readyState == 4) {
 186
 187                 container.innerHTML = xmlhttp.responseText;
 188                 container.style.display = "block";
 189
 190         }
 191 }
 192
 193 function notify_callback() {
 194         if (xmlhttp.readyState == 4) {
 195                 notify_info(xmlhttp.responseText);
 196         }
 197 }
 198
 199
 200 function changepass_callback() {
 201         try {
 202                 if (xmlhttp.readyState == 4) {
 203
 204                         if (xmlhttp.responseText.indexOf("ERROR: ") == 0) {
 205                                 notify_error(xmlhttp.responseText.replace("ERROR: ", ""));
 206                         } else {
 207                                 notify_info(xmlhttp.responseText);
 208                                 var warn = document.getElementById("default_pass_warning");
 209                                 if (warn) warn.style.display = "none";
 210                         }
 211
 212                         document.forms['change_pass_form'].reset();
 213
 214                 }
 215         } catch (e) {
 216                 exception_error("changepass_callback", e);
 217         }
 218 }
 219
 220 function updateFeedList(sort_key) {
 221
 222         if (!xmlhttp_ready(xmlhttp)) {
 223                 printLockingError();
 224                 return
 225         }
 226
 227 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 228
 229 //      p_notify("Loading, please wait...");
 230
 231         var feed_search = document.getElementById("feed_search");
 232         var search = "";
 233         if (feed_search) { search = feed_search.value; }
 234
 235         var slat = document.getElementById("show_last_article_times");
 236
 237         var slat_checked = false;
 238         if (slat) {
 239                 slat_checked = slat.checked;
 240         }
 241
 242         xmlhttp.open("GET", "backend.php?op=pref-feeds" +
 243                 "&sort=" + param_escape(sort_key) +
 244                 "&slat=" + param_escape(slat_checked) +
 245                 "&search=" + param_escape(search), true);
 246         xmlhttp.onreadystatechange=feedlist_callback;
 247         xmlhttp.send(null);
 248
 249 }
 250
 251 function updateUsersList(sort_key) {
 252
 253         if (!xmlhttp_ready(xmlhttp)) {
 254                 printLockingError();
 255                 return
 256         }
 257
 258 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 259
 260 //      p_notify("Loading, please wait...");
 261
 262         xmlhttp.open("GET", "backend.php?op=pref-users&sort="
 263                 + param_escape(sort_key), true);
 264         xmlhttp.onreadystatechange=userlist_callback;
 265         xmlhttp.send(null);
 266
 267 }
 268
 269 function addLabel() {
 270
 271         if (!xmlhttp_ready(xmlhttp)) {
 272                 printLockingError();
 273                 return
 274         }
 275
 276         var form = document.forms['label_edit_form'];
 277
 278         var sql_exp = form.sql_exp.value;
 279         var description = form.description.value;
 280
 281         if (sql_exp == "") {
 282                 alert(__("Can't create label: missing SQL expression."));
 283                 return false;
 284         }
 285
 286         if (description == "") {
 287                 alert(__("Can't create label: missing caption."));
 288                 return false;
 289         }
 290
 291         var query = Form.serialize("label_edit_form");
 292
 293         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=add&" + query, true);
 294         xmlhttp.onreadystatechange=infobox_submit_callback;
 295         xmlhttp.send(null);
 296 }
 297
 298 function addFeed() {
 299
 300         if (!xmlhttp_ready(xmlhttp)) {
 301                 printLockingError();
 302                 return
 303         }
 304
 305         var link = document.getElementById("fadd_link");
 306
 307         if (link.value.length == 0) {
 308                 alert(__("Error: No feed URL given."));
 309         } else if (!isValidURL(link.value)) {
 310                 alert(__("Error: Invalid feed URL."));
 311         } else {
 312                 notify_progress("Adding feed...");
 313
 314                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&from=tt-rss&feed_url=" +
 315                         param_escape(link.value), true);
 316                 xmlhttp.onreadystatechange=feedlist_callback;
 317                 xmlhttp.send(null);
 318
 319                 link.value = "";
 320
 321         }
 322
 323 }
 324
 325 function addFeedCat() {
 326
 327         if (!xmlhttp_ready(xmlhttp)) {
 328                 printLockingError();
 329                 return
 330         }
 331
 332         var cat = document.getElementById("fadd_cat");
 333
 334         if (cat.value.length == 0) {
 335                 alert(__("Can't add category: no name specified."));
 336         } else {
 337                 notify_progress("Adding feed category...");
 338
 339                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=add&cat=" +
 340                         param_escape(cat.value), true);
 341                 xmlhttp.onreadystatechange=infobox_callback;
 342                 xmlhttp.send(null);
 343
 344                 link.value = "";
 345
 346         }
 347
 348 }
 349 function addUser() {
 350
 351         if (!xmlhttp_ready(xmlhttp)) {
 352                 printLockingError();
 353                 return
 354         }
 355
 356         var sqlexp = document.getElementById("uadd_box");
 357
 358         if (sqlexp.value.length == 0) {
 359                 alert(__("Can't add user: no login specified."));
 360         } else {
 361                 notify_progress("Adding user...");
 362
 363                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=add&login=" +
 364                         param_escape(sqlexp.value), true);
 365
 366                 xmlhttp.onreadystatechange=userlist_callback;
 367                 xmlhttp.send(null);
 368
 369                 sqlexp.value = "";
 370         }
 371
 372 }
 373
 374 function editLabel(id) {
 375
 376         if (!xmlhttp_ready(xmlhttp)) {
 377                 printLockingError();
 378                 return
 379         }
 380
 381         notify_progress("Loading, please wait...");
 382
 383         document.getElementById("label_create_btn").disabled = true;
 384
 385         active_label = id;
 386
 387         selectTableRowsByIdPrefix('prefLabelList', 'LILRR-', 'LICHK-', false);
 388         selectTableRowById('LILRR-'+id, 'LICHK-'+id, true);
 389
 390         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=edit&id=" +
 391                 param_escape(id), true);
 392         xmlhttp.onreadystatechange=infobox_callback;
 393         xmlhttp.send(null);
 394
 395 }
 396
 397 function editUser(id) {
 398
 399         if (!xmlhttp_ready(xmlhttp)) {
 400                 printLockingError();
 401                 return
 402         }
 403
 404         notify_progress("Loading, please wait...");
 405
 406         selectTableRowsByIdPrefix('prefUserList', 'UMRR-', 'UMCHK-', false);
 407         selectTableRowById('UMRR-'+id, 'UMCHK-'+id, true);
 408
 409         xmlhttp.open("GET", "backend.php?op=pref-users&subop=edit&id=" +
 410                 param_escape(id), true);
 411         xmlhttp.onreadystatechange=infobox_callback;
 412         xmlhttp.send(null);
 413
 414 }
 415
 416 function editFilter(id) {
 417
 418         if (!xmlhttp_ready(xmlhttp)) {
 419                 printLockingError();
 420                 return
 421         }
 422
 423         notify_progress("Loading, please wait...");
 424
 425         document.getElementById("create_filter_btn").disabled = true;
 426
 427         selectTableRowsByIdPrefix('prefFilterList', 'FILRR-', 'FICHK-', false);
 428         selectTableRowById('FILRR-'+id, 'FICHK-'+id, true);
 429
 430         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=edit&id=" + param_escape(id), true);
 431         xmlhttp.onreadystatechange=infobox_callback;
 432         xmlhttp.send(null);
 433 }
 434
 435 function editFeed(feed) {
 436
 437 //      notify("Editing feed...");
 438
 439         if (!xmlhttp_ready(xmlhttp)) {
 440                 printLockingError();
 441                 return
 442         }
 443
 444         notify_progress("Loading, please wait...");
 445
 446         document.getElementById("subscribe_to_feed_btn").disabled = true;
 447
 448         try {
 449                 document.getElementById("top25_feeds_btn").disabled = true;
 450         } catch (e) {
 451                 // this button is not always available, no-op if not found
 452         }
 453
 454         // clean selection from all rows & select row being edited
 455         selectTableRowsByIdPrefix('prefFeedList', 'FEEDR-', 'FRCHK-', false);
 456         selectTableRowById('FEEDR-'+feed, 'FRCHK-'+feed, true);
 457
 458         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 459                 param_escape(feed), true);
 460
 461         xmlhttp.onreadystatechange=infobox_callback;
 462         xmlhttp.send(null);
 463
 464 }
 465
 466 function editFeedCat(cat) {
 467
 468         if (!xmlhttp_ready(xmlhttp)) {
 469                 printLockingError();
 470                 return
 471         }
 472
 473         notify_progress("Loading, please wait...");
 474
 475         active_feed_cat = cat;
 476
 477         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=edit&id=" +
 478                 param_escape(cat), true);
 479         xmlhttp.onreadystatechange=infobox_callback;
 480         xmlhttp.send(null);
 481
 482 }
 483
 484 function getSelectedLabels() {
 485         return getSelectedTableRowIds("prefLabelList", "LILRR");
 486 }
 487
 488 function getSelectedUsers() {
 489         return getSelectedTableRowIds("prefUserList", "UMRR");
 490 }
 491
 492 function getSelectedFeeds() {
 493         return getSelectedTableRowIds("prefFeedList", "FEEDR");
 494 }
 495
 496 function getSelectedFilters() {
 497         return getSelectedTableRowIds("prefFilterList", "FILRR");
 498 }
 499
 500 function getSelectedFeedCats() {
 501         return getSelectedTableRowIds("prefFeedCatList", "FCATR");
 502 }
 503
 504 function getSelectedFeedsFromBrowser() {
 505
 506         var list = document.getElementById("browseFeedList");
 507         if (!list) list = document.getElementById("browseBigFeedList");
 508
 509         var selected = new Array();
 510
 511         for (i = 0; i < list.childNodes.length; i++) {
 512                 var child = list.childNodes[i];
 513                 if (child.id && child.id.match("FBROW-")) {
 514                         var id = child.id.replace("FBROW-", "");
 515
 516                         var cb = document.getElementById("FBCHK-" + id);
 517
 518                         if (cb.checked) {
 519                                 selected.push(id);
 520                         }
 521                 }
 522         }
 523
 524         return selected;
 525 }
 526
 527 function removeSelectedLabels() {
 528
 529         if (!xmlhttp_ready(xmlhttp)) {
 530                 printLockingError();
 531                 return
 532         }
 533
 534         var sel_rows = getSelectedLabels();
 535
 536         if (sel_rows.length > 0) {
 537
 538                 var ok = confirm(__("Remove selected labels?"));
 539
 540                 if (ok) {
 541                         notify_progress("Removing selected labels...");
 542
 543                         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=remove&ids="+
 544                                 param_escape(sel_rows.toString()), true);
 545                         xmlhttp.onreadystatechange=labellist_callback;
 546                         xmlhttp.send(null);
 547                 }
 548         } else {
 549                 alert(__("No labels are selected."));
 550         }
 551
 552         return false;
 553 }
 554
 555 function removeSelectedUsers() {
 556
 557         if (!xmlhttp_ready(xmlhttp)) {
 558                 printLockingError();
 559                 return
 560         }
 561
 562         var sel_rows = getSelectedUsers();
 563
 564         if (sel_rows.length > 0) {
 565
 566                 var ok = confirm(__("Remove selected users?"));
 567
 568                 if (ok) {
 569                         notify_progress("Removing selected users...");
 570
 571                         xmlhttp.open("GET", "backend.php?op=pref-users&subop=remove&ids="+
 572                                 param_escape(sel_rows.toString()), true);
 573                         xmlhttp.onreadystatechange=userlist_callback;
 574                         xmlhttp.send(null);
 575                 }
 576
 577         } else {
 578                 alert(__("No users are selected."));
 579         }
 580
 581         return false;
 582 }
 583
 584 function removeSelectedFilters() {
 585
 586         if (!xmlhttp_ready(xmlhttp)) {
 587                 printLockingError();
 588                 return
 589         }
 590
 591         var sel_rows = getSelectedFilters();
 592
 593         if (sel_rows.length > 0) {
 594
 595                 var ok = confirm(__("Remove selected filters?"));
 596
 597                 if (ok) {
 598                         notify_progress("Removing selected filters...");
 599
 600                         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=remove&ids="+
 601                                 param_escape(sel_rows.toString()), true);
 602                         xmlhttp.onreadystatechange=filterlist_callback;
 603                         xmlhttp.send(null);
 604                 }
 605         } else {
 606                 alert(__("No filters are selected."));
 607         }
 608
 609         return false;
 610 }
 611
 612
 613 function removeSelectedFeeds() {
 614
 615         if (!xmlhttp_ready(xmlhttp)) {
 616                 printLockingError();
 617                 return
 618         }
 619
 620         var sel_rows = getSelectedFeeds();
 621
 622         if (sel_rows.length > 0) {
 623
 624                 var ok = confirm(__("Unsubscribe from selected feeds?"));
 625
 626                 if (ok) {
 627
 628                         notify_progress("Unsubscribing from selected feeds...");
 629
 630                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
 631                                 param_escape(sel_rows.toString()), true);
 632                         xmlhttp.onreadystatechange=feedlist_callback;
 633                         xmlhttp.send(null);
 634                 }
 635
 636         } else {
 637
 638                 alert(__("No feeds are selected."));
 639
 640         }
 641
 642         return false;
 643 }
 644
 645 function removeSelectedFeedCats() {
 646
 647         if (!xmlhttp_ready(xmlhttp)) {
 648                 printLockingError();
 649                 return
 650         }
 651
 652         var sel_rows = getSelectedFeedCats();
 653
 654         if (sel_rows.length > 0) {
 655
 656                 var ok = confirm(__("Remove selected categories?"));
 657
 658                 if (ok) {
 659                         notify_progress("Removing selected categories...");
 660
 661                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=remove&ids="+
 662                                 param_escape(sel_rows.toString()), true);
 663                         xmlhttp.onreadystatechange=infobox_callback;
 664                         xmlhttp.send(null);
 665                 }
 666
 667         } else {
 668
 669                 alert(__("No categories are selected."));
 670
 671         }
 672
 673         return false;
 674 }
 675
 676 function feedEditCancel() {
 677
 678         if (!xmlhttp_ready(xmlhttp)) {
 679                 printLockingError();
 680                 return
 681         }
 682
 683         document.getElementById("subscribe_to_feed_btn").disabled = false;
 684
 685         try {
 686                 document.getElementById("top25_feeds_btn").disabled = false;
 687         } catch (e) {
 688                 // this button is not always available, no-op if not found
 689         }
 690
 691         closeInfoBox();
 692
 693         selectPrefRows('feed', false); // cleanup feed selection
 694
 695         return false;
 696 }
 697
 698 function feedCatEditCancel() {
 699
 700         if (!xmlhttp_ready(xmlhttp)) {
 701                 printLockingError();
 702                 return
 703         }
 704
 705         active_feed_cat = false;
 706
 707 //      notify("Operation cancelled.");
 708
 709         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
 710         xmlhttp.onreadystatechange=infobox_callback;
 711         xmlhttp.send(null);
 712
 713         return false;
 714 }
 715
 716 function feedEditSave() {
 717
 718         try {
 719
 720                 if (!xmlhttp_ready(xmlhttp)) {
 721                         printLockingError();
 722                         return
 723                 }
 724
 725                 // FIXME: add parameter validation
 726
 727                 var query = Form.serialize("edit_feed_form");
 728
 729                 notify_progress("Saving feed...");
 730
 731                 xmlhttp.open("POST", "backend.php", true);
 732                 xmlhttp.onreadystatechange=feedlist_callback;
 733                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 734                 xmlhttp.send(query);
 735
 736                 closeInfoBox();
 737
 738                 return false;
 739
 740         } catch (e) {
 741                 exception_error("feedEditSave", e);
 742         }
 743 }
 744
 745 function feedCatEditSave() {
 746
 747         if (!xmlhttp_ready(xmlhttp)) {
 748                 printLockingError();
 749                 return
 750         }
 751
 752         notify_progress("Saving category...");
 753
 754         var query = Form.serialize("feed_cat_edit_form");
 755
 756         xmlhttp.open("GET", "backend.php?" + query, true);
 757         xmlhttp.onreadystatechange=infobox_callback;
 758         xmlhttp.send(null);
 759
 760         active_feed_cat = false;
 761
 762         return false;
 763 }
 764
 765
 766 function labelTest() {
 767
 768         var container = document.getElementById('label_test_result');
 769         container.style.display = "block";
 770         container.innerHTML = "<p>Loading, please wait...</p>";
 771
 772         var form = document.forms['label_edit_form'];
 773
 774         var sql_exp = form.sql_exp.value;
 775         var description = form.description.value;
 776
 777         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=test&expr=" +
 778                 param_escape(sql_exp) + "&descr=" + param_escape(description), true);
 779
 780         xmlhttp.onreadystatechange=labeltest_callback;
 781         xmlhttp.send(null);
 782
 783         return false;
 784 }
 785
 786 function displayHelpInfobox(topic_id) {
 787
 788 /*      if (!xmlhttp_ready(xmlhttp)) {
 789                 printLockingError();
 790                 return
 791         }
 792
 793         notify_progress("Loading help...");
 794
 795         xmlhttp.open("GET", "backend.php?op=help&tid=" +
 796                 param_escape(topic_id), true);
 797
 798         xmlhttp.onreadystatechange=helpbox_callback;
 799         xmlhttp.send(null); */
 800
 801         var url = "backend.php?op=help&tid=" + param_escape(topic_id);
 802
 803         var w = window.open(url, "ttrss_help",
 804                 "status=0,toolbar=0,location=0,width=400,height=450,menubar=0");
 805
 806 }
 807
 808 function labelEditCancel() {
 809
 810         if (!xmlhttp_ready(xmlhttp)) {
 811                 printLockingError();
 812                 return
 813         }
 814
 815         document.getElementById("label_create_btn").disabled = false;
 816
 817         active_label = false;
 818
 819         selectPrefRows('label', false); // cleanup feed selection
 820         closeInfoBox();
 821
 822         return false;
 823 }
 824
 825 function userEditCancel() {
 826
 827         if (!xmlhttp_ready(xmlhttp)) {
 828                 printLockingError();
 829                 return
 830         }
 831
 832         selectPrefRows('user', false); // cleanup feed selection
 833         closeInfoBox();
 834
 835         return false;
 836 }
 837
 838 function filterEditCancel() {
 839
 840         if (!xmlhttp_ready(xmlhttp)) {
 841                 printLockingError();
 842                 return
 843         }
 844
 845         document.getElementById("create_filter_btn").disabled = false;
 846
 847         selectPrefRows('filter', false); // cleanup feed selection
 848         closeInfoBox();
 849
 850         return false;
 851 }
 852
 853 function labelEditSave() {
 854
 855         var label = active_label;
 856
 857         if (!xmlhttp_ready(xmlhttp)) {
 858                 printLockingError();
 859                 return
 860         }
 861
 862 /*      if (!is_opera()) {
 863
 864                 var sql_exp = document.forms["label_edit_form"].sql_exp.value;
 865                 var description = document.forms["label_edit_form"].description.value;
 866
 867                 if (sql_exp.length == 0) {
 868                         alert("SQL Expression cannot be blank.");
 869                         return false;
 870                 }
 871
 872                 if (description.length == 0) {
 873                         alert("Caption field cannot be blank.");
 874                         return false;
 875                 }
 876         } */
 877
 878         closeInfoBox();
 879
 880         notify_progress("Saving label...");
 881
 882         active_label = false;
 883
 884         query = Form.serialize("label_edit_form");
 885
 886         xmlhttp.open("GET", "backend.php?" + query, true);
 887         xmlhttp.onreadystatechange=labellist_callback;
 888         xmlhttp.send(null);
 889
 890         return false;
 891 }
 892
 893 function userEditSave() {
 894
 895         if (!xmlhttp_ready(xmlhttp)) {
 896                 printLockingError();
 897                 return
 898         }
 899
 900         var login = document.forms["user_edit_form"].login.value;
 901
 902         if (login.length == 0) {
 903                 alert(__("Login field cannot be blank."));
 904                 return;
 905         }
 906
 907         notify_progress("Saving user...");
 908
 909         closeInfoBox();
 910
 911         var query = Form.serialize("user_edit_form");
 912
 913         xmlhttp.open("GET", "backend.php?" + query, true);
 914         xmlhttp.onreadystatechange=userlist_callback;
 915         xmlhttp.send(null);
 916
 917         return false;
 918 }
 919
 920
 921 function filterEditSave() {
 922
 923         if (!xmlhttp_ready(xmlhttp)) {
 924                 printLockingError();
 925                 return
 926         }
 927
 928 /*      if (!is_opera()) {
 929                 var reg_exp = document.forms["filter_edit_form"].reg_exp.value;
 930
 931                 if (reg_exp.length == 0) {
 932                         alert("Filter expression field cannot be blank.");
 933                         return;
 934                 }
 935         } */
 936
 937         notify_progress("Saving filter...");
 938
 939         var query = Form.serialize("filter_edit_form");
 940
 941         closeInfoBox();
 942
 943         document.getElementById("create_filter_btn").disabled = false;
 944
 945         xmlhttp.open("GET", "backend.php?" + query, true);
 946         xmlhttp.onreadystatechange=filterlist_callback;
 947         xmlhttp.send(null);
 948
 949         return false;
 950 }
 951
 952 function editSelectedLabel() {
 953         var rows = getSelectedLabels();
 954
 955         if (rows.length == 0) {
 956                 alert(__("No labels are selected."));
 957                 return;
 958         }
 959
 960         if (rows.length > 1) {
 961                 alert(__("Please select only one label."));
 962                 return;
 963         }
 964
 965         notify("");
 966
 967         editLabel(rows[0]);
 968
 969 }
 970
 971 function editSelectedUser() {
 972         var rows = getSelectedUsers();
 973
 974         if (rows.length == 0) {
 975                 alert(__("No users are selected."));
 976                 return;
 977         }
 978
 979         if (rows.length > 1) {
 980                 alert(__("Please select only one user."));
 981                 return;
 982         }
 983
 984         notify("");
 985
 986         editUser(rows[0]);
 987 }
 988
 989 function resetSelectedUserPass() {
 990         var rows = getSelectedUsers();
 991
 992         if (rows.length == 0) {
 993                 alert(__("No users are selected."));
 994                 return;
 995         }
 996
 997         if (rows.length > 1) {
 998                 alert(__("Please select only one user."));
 999                 return;
1000         }
1001
1002         var ok = confirm(__("Reset password of selected user?"));
1003
1004         if (ok) {
1005                 notify_progress("Resetting password for selected user...");
1006
1007                 var id = rows[0];
1008
1009                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=resetPass&id=" +
1010                         param_escape(id), true);
1011                 xmlhttp.onreadystatechange=userlist_callback;
1012                 xmlhttp.send(null);
1013         }
1014 }
1015
1016 function selectedUserDetails() {
1017
1018         if (!xmlhttp_ready(xmlhttp)) {
1019                 printLockingError();
1020                 return
1021         }
1022
1023         var rows = getSelectedUsers();
1024
1025         if (rows.length == 0) {
1026                 alert(__("No users are selected."));
1027                 return;
1028         }
1029
1030         if (rows.length > 1) {
1031                 alert(__("Please select only one user."));
1032                 return;
1033         }
1034
1035         notify_progress("Loading, please wait...");
1036
1037         var id = rows[0];
1038
1039         xmlhttp.open("GET", "backend.php?op=user-details&id=" + id, true);
1040         xmlhttp.onreadystatechange=infobox_callback;
1041         xmlhttp.send(null);
1042
1043 }
1044
1045 function selectedFeedDetails() {
1046
1047         if (!xmlhttp_ready(xmlhttp)) {
1048                 printLockingError();
1049                 return
1050         }
1051
1052         var rows = getSelectedFeeds();
1053
1054         if (rows.length == 0) {
1055                 alert(__("No feeds are selected."));
1056                 return;
1057         }
1058
1059         if (rows.length > 1) {
1060                 alert(__("Please select only one feed."));
1061                 return;
1062         }
1063
1064 //      var id = rows[0];
1065
1066         notify("");
1067
1068         xmlhttp.open("GET", "backend.php?op=feed-details&id=" +
1069                 param_escape(rows.toString()), true);
1070         xmlhttp.onreadystatechange=infobox_callback;
1071         xmlhttp.send(null);
1072
1073 }
1074
1075 function editSelectedFilter() {
1076         var rows = getSelectedFilters();
1077
1078         if (rows.length == 0) {
1079                 alert(__("No filters are selected."));
1080                 return;
1081         }
1082
1083         if (rows.length > 1) {
1084                 alert(__("Please select only one filter."));
1085                 return;
1086         }
1087
1088         notify("");
1089
1090         editFilter(rows[0]);
1091
1092 }
1093
1094
1095 function editSelectedFeed() {
1096         var rows = getSelectedFeeds();
1097
1098         if (rows.length == 0) {
1099                 alert(__("No feeds are selected."));
1100                 return;
1101         }
1102
1103         if (rows.length > 1) {
1104                 alert(__("Please select one feed."));
1105                 return;
1106         }
1107
1108         notify("");
1109
1110         editFeed(rows[0]);
1111
1112 }
1113
1114 function editSelectedFeedCat() {
1115         var rows = getSelectedFeedCats();
1116
1117         if (rows.length == 0) {
1118                 alert(__("No categories are selected."));
1119                 return;
1120         }
1121
1122         if (rows.length > 1) {
1123                 alert(__("Please select only one category."));
1124                 return;
1125         }
1126
1127         notify("");
1128
1129         editFeedCat(rows[0]);
1130
1131 }
1132
1133 function piggie_callback() {
1134         var piggie = document.getElementById("piggie");
1135
1136         piggie.style.top = piggie_top;
1137         piggie.style.backgroundColor = "white";
1138         piggie.style.borderWidth = "1px";
1139
1140         if (piggie_fwd && piggie_top < 0) {
1141                 setTimeout("piggie_callback()", 50);
1142                 piggie_top = piggie_top + 10;
1143         } else if (piggie_fwd && piggie_top >= 0) {
1144                 piggie_fwd = false;
1145                 setTimeout("piggie_callback()", 50);
1146         } else if (!piggie_fwd && piggie_top > -400) {
1147                 setTimeout("piggie_callback()", 50);
1148                 piggie_top = piggie_top - 10;
1149         } else if (!piggie_fwd && piggie_top <= -400) {
1150                 piggie.style.display = "none";
1151                 piggie_fwd = true;
1152         }
1153 }
1154
1155 var piggie_opacity = 0;
1156
1157 function piggie2_callback() {
1158         var piggie = document.getElementById("piggie");
1159         piggie.style.top = 0;
1160         piggie.style.opacity = piggie_opacity;
1161         piggie.style.backgroundColor = "transparent";
1162         piggie.style.borderWidth = "0px";
1163
1164         if (piggie_fwd && piggie_opacity < 1) {
1165                 setTimeout("piggie2_callback()", 50);
1166                 piggie_opacity = piggie_opacity + 0.03;
1167         } else if (piggie_fwd && piggie_opacity >= 1) {
1168                 piggie_fwd = false;
1169                 setTimeout("piggie2_callback()", 50);
1170         } else if (!piggie_fwd && piggie_opacity > 0) {
1171                 setTimeout("piggie2_callback()", 50);
1172                 piggie_opacity = piggie_opacity - 0.03;
1173         } else if (!piggie_fwd && piggie_opacity <= 0) {
1174                 piggie.style.display = "none";
1175                 piggie_fwd = true;
1176         }
1177 }
1178
1179 function localPiggieFunction(enable) {
1180         if (enable) {
1181                 debug("I LOVEDED IT!");
1182                 var piggie = document.getElementById("piggie");
1183                 piggie.style.display = "block";
1184
1185                 if (navigator.userAgent.match("Gecko") && Math.random(1) > 0.5) {
1186                         piggie2_callback();
1187                 } else {
1188                         piggie_callback();
1189                 }
1190         }
1191 }
1192
1193 function validateOpmlImport() {
1194
1195         var opml_file = document.getElementById("opml_file");
1196
1197         if (opml_file.value.length == 0) {
1198                 alert(__("No OPML file to upload."));
1199                 return false;
1200         } else {
1201                 return true;
1202         }
1203 }
1204
1205 function updateFilterList(sort_key) {
1206
1207         if (!xmlhttp_ready(xmlhttp)) {
1208                 printLockingError();
1209                 return
1210         }
1211
1212 //      document.getElementById("prefContent").innerHTML = "Loading filters, please wait...";
1213
1214 //      p_notify("Loading, please wait...");
1215
1216         xmlhttp.open("GET", "backend.php?op=pref-filters&sort=" +
1217                 param_escape(sort_key), true);
1218         xmlhttp.onreadystatechange=filterlist_callback;
1219         xmlhttp.send(null);
1220
1221 }
1222
1223 function updateLabelList(sort_key) {
1224
1225         if (!xmlhttp_ready(xmlhttp)) {
1226                 printLockingError();
1227                 return
1228         }
1229
1230 //      p_notify("Loading, please wait...");
1231
1232 //      document.getElementById("prefContent").innerHTML = "Loading labels, please wait...";
1233
1234         xmlhttp.open("GET", "backend.php?op=pref-labels&sort=" +
1235                 param_escape(sort_key), true);
1236         xmlhttp.onreadystatechange=labellist_callback;
1237         xmlhttp.send(null);
1238 }
1239
1240 function updatePrefsList() {
1241
1242         if (!xmlhttp_ready(xmlhttp)) {
1243                 printLockingError();
1244                 return
1245         }
1246
1247 //      p_notify("Loading, please wait...");
1248
1249         xmlhttp.open("GET", "backend.php?op=pref-prefs", true);
1250         xmlhttp.onreadystatechange=prefslist_callback;
1251         xmlhttp.send(null);
1252
1253 }
1254
1255 function selectTab(id, noupdate, subop) {
1256
1257 //      alert(id);
1258
1259         if (!id) id = active_tab;
1260
1261         try {
1262
1263                 if (!xmlhttp_ready(xmlhttp)) {
1264                         printLockingError();
1265                         return
1266                 }
1267
1268                 try {
1269                         var c = document.getElementById('prefContent');
1270                         c.scrollTop = 0;
1271                 } catch (e) { };
1272
1273                 if (!noupdate) {
1274
1275                         debug("selectTab: " + id + "(NU: " + noupdate + ")");
1276
1277                         notify_progress("Loading, please wait...");
1278
1279                         // close active infobox if needed
1280                         closeInfoBox();
1281
1282                         // clean up all current selections, just in case
1283                         active_feed_cat = false;
1284                         active_label = false;
1285
1286                         if (id == "feedConfig") {
1287                                 updateFeedList();
1288                         } else if (id == "filterConfig") {
1289                                 updateFilterList();
1290                         } else if (id == "labelConfig") {
1291                                 updateLabelList();
1292                         } else if (id == "genConfig") {
1293                                 updatePrefsList();
1294                         } else if (id == "userConfig") {
1295                                 updateUsersList();
1296                         } else if (id == "feedBrowser") {
1297                                 updateBigFeedBrowser();
1298                         }
1299                 }
1300
1301                 var tab = document.getElementById(active_tab + "Tab");
1302
1303                 if (tab) {
1304                         if (tab.className.match("Selected")) {
1305                                 tab.className = "prefsTab";
1306                         }
1307                 }
1308
1309                 tab = document.getElementById(id + "Tab");
1310
1311                 if (tab) {
1312                         if (!tab.className.match("Selected")) {
1313                                 tab.className = tab.className + "Selected";
1314                         }
1315                 }
1316
1317                 active_tab = id;
1318
1319         } catch (e) {
1320                 exception_error("selectTab", e);
1321         }
1322 }
1323
1324 function backend_sanity_check_callback() {
1325
1326         if (xmlhttp.readyState == 4) {
1327
1328                 try {
1329
1330                         if (sanity_check_done) {
1331                                 fatalError(11, "Sanity check request received twice. This can indicate "+
1332                               "presence of Firebug or some other disrupting extension. "+
1333                                         "Please disable it and try again.");
1334                                 return;
1335                         }
1336
1337                         if (!xmlhttp.responseXML) {
1338                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
1339                                 return;
1340                         }
1341
1342                         var reply = xmlhttp.responseXML.firstChild.firstChild;
1343
1344                         if (!reply) {
1345                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
1346                                 return;
1347                         }
1348
1349                         var error_code = reply.getAttribute("error-code");
1350
1351                         if (error_code && error_code != 0) {
1352                                 return fatalError(error_code, reply.getAttribute("error-msg"));
1353                         }
1354
1355                         debug("sanity check ok");
1356
1357                         var params = reply.nextSibling;
1358
1359                         if (params) {
1360                                 debug('reading init-params...');
1361                                 var param = params.firstChild;
1362
1363                                 while (param) {
1364                                         var k = param.getAttribute("key");
1365                                         var v = param.getAttribute("value");
1366                                         debug(k + " => " + v);
1367                                         init_params[k] = v;
1368                                         param = param.nextSibling;
1369                                 }
1370                         }
1371
1372                         sanity_check_done = true;
1373
1374                         init_second_stage();
1375
1376                 } catch (e) {
1377                         exception_error("backend_sanity_check_callback", e);
1378                 }
1379         }
1380 }
1381
1382 function init_second_stage() {
1383
1384         try {
1385                 active_tab = getInitParam("prefs_active_tab");
1386                 if (!active_tab || active_tab == '0') active_tab = "genConfig";
1387
1388                 document.onkeydown = pref_hotkey_handler;
1389
1390                 var tab = getURLParam('tab');
1391
1392                 caller_subop = getURLParam('subop');
1393
1394                 if (tab) {
1395                         active_tab = tab;
1396                 }
1397
1398                 if (navigator.userAgent.match("Opera")) {
1399                         setTimeout("selectTab()", 500);
1400                 } else {
1401                         selectTab(active_tab);
1402                 }
1403                 notify("");
1404         } catch (e) {
1405                 exception_error("init_second_stage", e);
1406         }
1407 }
1408
1409 function init() {
1410
1411         try {
1412
1413                 if (arguments.callee.done) return;
1414                 arguments.callee.done = true;
1415
1416                 if (getURLParam('debug')) {
1417                         document.getElementById('debug_output').style.display = 'block';
1418                         debug('debug mode activated');
1419                 }
1420
1421                 // IE kludge
1422                 if (!xmlhttp) {
1423                         document.getElementById("prefContent").innerHTML =
1424                                 "<b>Fatal error:</b> This program needs XmlHttpRequest " +
1425                                 "to function properly. Your browser doesn't seem to support it.";
1426                         return;
1427                 }
1428
1429                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
1430                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
1431                 xmlhttp.send(null);
1432
1433         } catch (e) {
1434                 exception_error("init", e);
1435         }
1436 }
1437
1438 function categorizeSelectedFeeds() {
1439
1440         if (!xmlhttp_ready(xmlhttp)) {
1441                 printLockingError();
1442                 return
1443         }
1444
1445         var sel_rows = getSelectedFeeds();
1446
1447         var cat_sel = document.getElementById("sfeed_set_fcat");
1448         var cat_id = cat_sel[cat_sel.selectedIndex].value;
1449
1450         if (sel_rows.length > 0) {
1451
1452                 notify_progress("Changing category of selected feeds...");
1453
1454                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=categorize&ids="+
1455                         param_escape(sel_rows.toString()) + "&cat_id=" + param_escape(cat_id), true);
1456                 xmlhttp.onreadystatechange=feedlist_callback;
1457                 xmlhttp.send(null);
1458
1459         } else {
1460
1461                 alert(__("No feeds are selected."));
1462
1463         }
1464
1465 }
1466
1467 function validatePrefsReset() {
1468         return confirm(__("Reset to defaults?"));
1469 }
1470
1471 function browseFeeds(limit) {
1472
1473         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=browse", true);
1474         xmlhttp.onreadystatechange=infobox_callback;
1475         xmlhttp.send(null);
1476
1477 }
1478
1479 function feedBrowserSubscribe() {
1480         try {
1481
1482                 var selected = getSelectedFeedsFromBrowser();
1483
1484                 if (selected.length > 0) {
1485                         closeInfoBox();
1486                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=massSubscribe&ids="+
1487                                 param_escape(selected.toString()), true);
1488                         xmlhttp.onreadystatechange=feedlist_callback;
1489                         xmlhttp.send(null);
1490                 } else {
1491                         alert(__("No feeds are selected."));
1492                 }
1493
1494         } catch (e) {
1495                 exception_error("feedBrowserSubscribe", e);
1496         }
1497 }
1498
1499 function updateBigFeedBrowser(limit) {
1500
1501         if (!xmlhttp_ready(xmlhttp)) {
1502                 printLockingError();
1503                 return
1504         }
1505
1506 //      p_notify("Loading, please wait...");
1507
1508         var query = "backend.php?op=pref-feed-browser";
1509
1510         var limit_sel = document.getElementById("feedBrowserLimit");
1511
1512         if (limit_sel) {
1513                 var limit = limit_sel[limit_sel.selectedIndex].value;
1514                 query = query + "&limit=" + param_escape(limit);
1515         }
1516
1517         xmlhttp.open("GET", query, true);
1518         xmlhttp.onreadystatechange=feed_browser_callback;
1519         xmlhttp.send(null);
1520 }
1521
1522 function browserToggleExpand(id) {
1523         try {
1524 /*              if (feed_to_expand && feed_to_expand != id) {
1525                         var d = document.getElementById("BRDET-" + feed_to_expand);
1526                         d.style.display = "none";
1527                 } */
1528
1529                 if (!xmlhttp_ready(xmlhttp)) {
1530                         printLockingError();
1531                         return
1532                 }
1533
1534                 var d = document.getElementById("BRDET-" + id);
1535
1536                 if (d.style.display == "block") {
1537                         d.style.display = "none";
1538
1539                 } else {
1540
1541                         feed_to_expand = id;
1542
1543                         d.style.display = "block";
1544                         d.innerHTML = "Loading, please wait...";
1545
1546                         xmlhttp.open("GET", "backend.php?op=pref-feed-browser&subop=details&id="
1547                                 + param_escape(id), true);
1548                         xmlhttp.onreadystatechange=expand_feed_callback;
1549                         xmlhttp.send(null);
1550                 }
1551
1552         } catch (e) {
1553                 exception_error("browserExpand", e);
1554         }
1555 }
1556
1557 function selectPrefRows(kind, select) {
1558
1559         if (kind) {
1560                 var opbarid = false;
1561                 var nchk = false;
1562                 var nrow = false;
1563                 var lname = false;
1564
1565                 if (kind == "feed") {
1566                         opbarid = "feedOpToolbar";
1567                         nrow = "FEEDR-";
1568                         nchk = "FRCHK-";
1569                         lname = "prefFeedList";
1570                 } else if (kind == "fcat") {
1571                         opbarid = "catOpToolbar";
1572                         nrow = "FCATR-";
1573                         nchk = "FCCHK-";
1574                         lname = "prefFeedCatList";
1575                 } else if (kind == "filter") {
1576                         opbarid = "filterOpToolbar";
1577                         nrow = "FILRR-";
1578                         nchk = "FICHK-";
1579                         lname = "prefFilterList";
1580                 } else if (kind == "label") {
1581                         opbarid = "labelOpToolbar";
1582                         nrow = "LILRR-";
1583                         nchk = "LICHK-";
1584                         lname = "prefLabelList";
1585                 } else if (kind == "user") {
1586                         opbarid = "userOpToolbar";
1587                         nrow = "UMRR-";
1588                         nchk = "UMCHK-";
1589                         lname = "prefUserList";
1590                 }
1591
1592                 if (opbarid) {
1593                         selectTableRowsByIdPrefix(lname, nrow, nchk, select);
1594                         disableContainerChildren(opbarid, !select);
1595                 }
1596
1597         }
1598 }
1599
1600
1601 function toggleSelectPrefRow(sender, kind) {
1602
1603         toggleSelectRow(sender);
1604
1605         if (kind) {
1606                 var opbarid = false;
1607                 var nsel = -1;
1608
1609                 if (kind == "feed") {
1610                         opbarid = "feedOpToolbar";
1611                         nsel = getSelectedFeeds();
1612                 } else if (kind == "fcat") {
1613                         opbarid = "catOpToolbar";
1614                         nsel = getSelectedFeedCats();
1615                 } else if (kind == "filter") {
1616                         opbarid = "filterOpToolbar";
1617                         nsel = getSelectedFilters();
1618                 } else if (kind == "label") {
1619                         opbarid = "labelOpToolbar";
1620                         nsel = getSelectedLabels();
1621                 } else if (kind == "user") {
1622                         opbarid = "userOpToolbar";
1623                         nsel = getSelectedUsers();
1624                 }
1625
1626                 if (opbarid && nsel != -1) {
1627                         disableContainerChildren(opbarid, nsel == false);
1628                 }
1629
1630         }
1631 }
1632
1633 function toggleSelectFBListRow(sender) {
1634         toggleSelectListRow(sender);
1635         disableContainerChildren("fbrOpToolbar", getSelectedFeedsFromBrowser() == 0);
1636 }
1637
1638 var seq = "";
1639
1640 function pref_hotkey_handler(e) {
1641         try {
1642
1643                 var keycode;
1644
1645                 if (!hotkeys_enabled) return;
1646
1647                 if (window.event) {
1648                         keycode = window.event.keyCode;
1649                 } else if (e) {
1650                         keycode = e.which;
1651                 }
1652
1653                 if (keycode == 13 || keycode == 27) {
1654                         seq = "";
1655                 } else {
1656                         seq = seq + "" + keycode;
1657                 }
1658
1659
1660         if (document.getElementById("piggie")) {
1661
1662                 if (seq.match("807371717369")) {
1663                         seq = "";
1664                         localPiggieFunction(true);
1665                 } else {
1666                         localPiggieFunction(false);
1667                 }
1668         }
1669
1670         } catch (e) {
1671                 exception_error("pref_hotkey_handler", e);
1672         }
1673 }
1674
1675 function userSwitch() {
1676         var chooser = document.getElementById("userSwitch");
1677         var user = chooser[chooser.selectedIndex].value;
1678         window.location = "prefs.php?swu=" + user;
1679 }
1680
1681 function editFeedCats() {
1682         if (!xmlhttp_ready(xmlhttp)) {
1683                 printLockingError();
1684                 return
1685         }
1686
1687         document.getElementById("subscribe_to_feed_btn").disabled = true;
1688
1689         try {
1690                 document.getElementById("top25_feeds_btn").disabled = true;
1691         } catch (e) {
1692                 // this button is not always available, no-op if not found
1693         }
1694
1695         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
1696         xmlhttp.onreadystatechange=infobox_callback;
1697         xmlhttp.send(null);
1698 }
1699
1700 function showFeedsWithErrors() {
1701         displayDlg('feedUpdateErrors');
1702 }
1703
1704 function changeUserPassword() {
1705
1706         try {
1707
1708                 if (!xmlhttp_ready(xmlhttp)) {
1709                         printLockingError();
1710                         return false;
1711                 }
1712
1713                 var query = Form.serialize("change_pass_form");
1714
1715                 notify_progress("Trying to change password...");
1716
1717                 xmlhttp.open("POST", "backend.php", true);
1718                 xmlhttp.onreadystatechange=changepass_callback;
1719                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1720                 xmlhttp.send(query);
1721
1722         } catch (e) {
1723                 exception_error("changeUserPassword", e);
1724         }
1725
1726         return false;
1727 }
1728
1729 function changeUserEmail() {
1730
1731         try {
1732
1733                 if (!xmlhttp_ready(xmlhttp)) {
1734                         printLockingError();
1735                         return false;
1736                 }
1737
1738                 var query = Form.serialize("change_email_form");
1739
1740                 notify_progress("Trying to change e-mail...");
1741
1742                 xmlhttp.open("POST", "backend.php", true);
1743                 xmlhttp.onreadystatechange=notify_callback;
1744                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1745                 xmlhttp.send(query);
1746
1747         } catch (e) {
1748                 exception_error("changeUserPassword", e);
1749         }
1750
1751         return false;
1752
1753 }
1754
1755 function feedlistToggleSLAT() {
1756         notify_progress("Loading, please wait...");
1757         updateFeedList()
1758 }
1759
1760 function pubRegenKey() {
1761
1762         if (!xmlhttp_ready(xmlhttp)) {
1763                 printLockingError();
1764                 return false;
1765         }
1766
1767         var ok = confirm(__("Replace current publishing address with a new one?"));
1768
1769         if (ok) {
1770
1771                 notify_progress("Trying to change address...");
1772
1773                 xmlhttp.open("GET", "backend.php?op=rpc&subop=regenPubKey");
1774                 xmlhttp.onreadystatechange=replace_pubkey_callback;
1775                 xmlhttp.send(null);
1776         }
1777
1778         return false;
1779 }