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