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 xmlhttp = Ajax.getTransport();
   9
  10 var init_params = new Array();
  11
  12 var caller_subop = false;
  13
  14 var sanity_check_done = false;
  15
  16 function replace_pubkey_callback() {
  17         if (xmlhttp.readyState == 4) {
  18                 try {
  19                         var link = document.getElementById("pubGenAddress");
  20
  21                         if (xmlhttp.responseXML) {
  22
  23                                 var new_link = xmlhttp.responseXML.getElementsByTagName("link")[0];
  24
  25                                 if (new_link) {
  26                                         link.href = new_link.firstChild.nodeValue;
  27                                         link.innerHTML = new_link.firstChild.nodeValue;
  28
  29                                         new Effect.Highlight(link);
  30
  31                                         notify_info("Address changed.");
  32                                 } else {
  33                                         notify_error("Could not change address.");
  34                                 }
  35
  36                         } else {
  37                                 notify_error("Could not change address.");
  38                         }
  39                 } catch (e) {
  40                         exception_error("replace_pubkey_callback", e);
  41                 }
  42         }
  43 }
  44
  45 function expand_feed_callback() {
  46         if (xmlhttp.readyState == 4) {
  47                 try {
  48                         var container = document.getElementById("BRDET-" + feed_to_expand);
  49                         container.innerHTML=xmlhttp.responseText;
  50 //                      container.style.display = "block";
  51 //                      p_notify("");
  52                         Effect.Appear(container, {duration : 0.5});
  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 feed_browser_callback() {
 150         var container = document.getElementById('prefContent');
 151         if (xmlhttp.readyState == 4) {
 152                 container.innerHTML=xmlhttp.responseText;
 153                 notify("");
 154         }
 155 }
 156
 157 function userlist_callback() {
 158         var container = document.getElementById('prefContent');
 159         if (xmlhttp.readyState == 4) {
 160                 container.innerHTML=xmlhttp.responseText;
 161                 notify("");
 162         }
 163 }
 164
 165 function prefslist_callback() {
 166         var container = document.getElementById('prefContent');
 167         if (xmlhttp.readyState == 4) {
 168
 169                 container.innerHTML=xmlhttp.responseText;
 170
 171                 notify("");
 172         }
 173 }
 174
 175 function gethelp_callback() {
 176         var container = document.getElementById('prefHelpBox');
 177         if (xmlhttp.readyState == 4) {
 178
 179                 container.innerHTML = xmlhttp.responseText;
 180                 container.style.display = "block";
 181
 182         }
 183 }
 184
 185 function notify_callback() {
 186         if (xmlhttp.readyState == 4) {
 187                 notify_info(xmlhttp.responseText);
 188         }
 189 }
 190
 191 function prefs_reset_callback() {
 192         if (xmlhttp.readyState == 4) {
 193                 notify_info(xmlhttp.responseText);
 194                 selectTab();
 195         }
 196 }
 197
 198
 199 function changepass_callback() {
 200         try {
 201                 if (xmlhttp.readyState == 4) {
 202
 203                         if (xmlhttp.responseText.indexOf("ERROR: ") == 0) {
 204                                 notify_error(xmlhttp.responseText.replace("ERROR: ", ""));
 205                         } else {
 206                                 notify_info(xmlhttp.responseText);
 207                                 var warn = document.getElementById("default_pass_warning");
 208                                 if (warn) warn.style.display = "none";
 209                         }
 210
 211                         document.forms['change_pass_form'].reset();
 212
 213                 }
 214         } catch (e) {
 215                 exception_error("changepass_callback", e);
 216         }
 217 }
 218
 219 function infobox_feed_cat_callback() {
 220         if (xmlhttp.readyState == 4) {
 221                 try {
 222
 223                         infobox_callback();
 224
 225                         if (document.getElementById("prefFeedCatList")) {
 226                                 var elems = document.getElementById("prefFeedCatList").getElementsByTagName("SPAN");
 227
 228                                 for (var i = 0; i < elems.length; i++) {
 229                                         if (elems[i].id && elems[i].id.match("FCATT-")) {
 230                                                 var cat_id = elems[i].id.replace("FCATT-", "");
 231
 232                                                 new Ajax.InPlaceEditor(elems[i],
 233                                                         'backend.php?op=pref-feeds&subop=editCats&action=save&cid=' + cat_id);
 234                                         }
 235                                 }
 236                         }
 237
 238                 } catch (e) {
 239                         exception_error("infobox_feed_cat_callback", e);
 240                 }
 241         }
 242 }
 243
 244 function updateFeedList(sort_key) {
 245
 246         if (!xmlhttp_ready(xmlhttp)) {
 247                 printLockingError();
 248                 return
 249         }
 250
 251 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 252
 253 //      p_notify("Loading, please wait...");
 254
 255         var feed_search = document.getElementById("feed_search");
 256         var search = "";
 257         if (feed_search) { search = feed_search.value; }
 258
 259         var slat = document.getElementById("show_last_article_times");
 260
 261         var slat_checked = false;
 262         if (slat) {
 263                 slat_checked = slat.checked;
 264         }
 265
 266         xmlhttp.open("GET", "backend.php?op=pref-feeds" +
 267                 "&sort=" + param_escape(sort_key) +
 268                 "&slat=" + param_escape(slat_checked) +
 269                 "&search=" + param_escape(search), true);
 270         xmlhttp.onreadystatechange=feedlist_callback;
 271         xmlhttp.send(null);
 272
 273 }
 274
 275 function updateUsersList(sort_key) {
 276
 277         if (!xmlhttp_ready(xmlhttp)) {
 278                 printLockingError();
 279                 return
 280         }
 281
 282 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 283
 284 //      p_notify("Loading, please wait...");
 285
 286         xmlhttp.open("GET", "backend.php?op=pref-users&sort="
 287                 + param_escape(sort_key), true);
 288         xmlhttp.onreadystatechange=userlist_callback;
 289         xmlhttp.send(null);
 290
 291 }
 292
 293 function addLabel() {
 294
 295         if (!xmlhttp_ready(xmlhttp)) {
 296                 printLockingError();
 297                 return
 298         }
 299
 300         var form = document.forms['label_edit_form'];
 301
 302         var sql_exp = form.sql_exp.value;
 303         var description = form.description.value;
 304
 305         if (sql_exp == "") {
 306                 alert(__("Can't create label: missing SQL expression."));
 307                 return false;
 308         }
 309
 310         if (description == "") {
 311                 alert(__("Can't create label: missing caption."));
 312                 return false;
 313         }
 314
 315         var query = Form.serialize("label_edit_form");
 316
 317         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=add&" + query, true);
 318         xmlhttp.onreadystatechange=infobox_submit_callback;
 319         xmlhttp.send(null);
 320 }
 321
 322 function addFeed() {
 323
 324         if (!xmlhttp_ready(xmlhttp)) {
 325                 printLockingError();
 326                 return
 327         }
 328
 329         var link = document.getElementById("fadd_link");
 330
 331         if (link.value.length == 0) {
 332                 alert(__("Error: No feed URL given."));
 333         } else if (!isValidURL(link.value)) {
 334                 alert(__("Error: Invalid feed URL."));
 335         } else {
 336                 notify_progress("Adding feed...");
 337
 338                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&from=tt-rss&feed_url=" +
 339                         param_escape(link.value), true);
 340                 xmlhttp.onreadystatechange=feedlist_callback;
 341                 xmlhttp.send(null);
 342
 343                 link.value = "";
 344
 345         }
 346
 347 }
 348
 349 function addFeedCat() {
 350
 351         if (!xmlhttp_ready(xmlhttp)) {
 352                 printLockingError();
 353                 return
 354         }
 355
 356         var cat = document.getElementById("fadd_cat");
 357
 358         if (cat.value.length == 0) {
 359                 alert(__("Can't add category: no name specified."));
 360         } else {
 361                 notify_progress("Adding feed category...");
 362
 363                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=add&cat=" +
 364                         param_escape(cat.value), true);
 365                 xmlhttp.onreadystatechange=infobox_callback;
 366                 xmlhttp.send(null);
 367
 368                 link.value = "";
 369
 370         }
 371
 372 }
 373 function addUser() {
 374
 375         if (!xmlhttp_ready(xmlhttp)) {
 376                 printLockingError();
 377                 return
 378         }
 379
 380         var sqlexp = document.getElementById("uadd_box");
 381
 382         if (sqlexp.value.length == 0) {
 383                 alert(__("Can't add user: no login specified."));
 384         } else {
 385                 notify_progress("Adding user...");
 386
 387                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=add&login=" +
 388                         param_escape(sqlexp.value), true);
 389
 390                 xmlhttp.onreadystatechange=userlist_callback;
 391                 xmlhttp.send(null);
 392
 393                 sqlexp.value = "";
 394         }
 395
 396 }
 397
 398 function editLabel(id) {
 399
 400         if (!xmlhttp_ready(xmlhttp)) {
 401                 printLockingError();
 402                 return
 403         }
 404
 405         notify_progress("Loading, please wait...");
 406
 407         document.getElementById("label_create_btn").disabled = true;
 408
 409         active_label = id;
 410
 411         selectTableRowsByIdPrefix('prefLabelList', 'LILRR-', 'LICHK-', false);
 412         selectTableRowById('LILRR-'+id, 'LICHK-'+id, true);
 413
 414         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=edit&id=" +
 415                 param_escape(id), true);
 416         xmlhttp.onreadystatechange=infobox_callback;
 417         xmlhttp.send(null);
 418
 419 }
 420
 421 function editUser(id) {
 422
 423         if (!xmlhttp_ready(xmlhttp)) {
 424                 printLockingError();
 425                 return
 426         }
 427
 428         notify_progress("Loading, please wait...");
 429
 430         selectTableRowsByIdPrefix('prefUserList', 'UMRR-', 'UMCHK-', false);
 431         selectTableRowById('UMRR-'+id, 'UMCHK-'+id, true);
 432
 433         xmlhttp.open("GET", "backend.php?op=pref-users&subop=edit&id=" +
 434                 param_escape(id), true);
 435         xmlhttp.onreadystatechange=infobox_callback;
 436         xmlhttp.send(null);
 437
 438 }
 439
 440 function editFilter(id) {
 441
 442         if (!xmlhttp_ready(xmlhttp)) {
 443                 printLockingError();
 444                 return
 445         }
 446
 447         notify_progress("Loading, please wait...");
 448
 449         document.getElementById("create_filter_btn").disabled = true;
 450
 451         selectTableRowsByIdPrefix('prefFilterList', 'FILRR-', 'FICHK-', false);
 452         selectTableRowById('FILRR-'+id, 'FICHK-'+id, true);
 453
 454         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=edit&id=" + param_escape(id), true);
 455         xmlhttp.onreadystatechange=infobox_callback;
 456         xmlhttp.send(null);
 457 }
 458
 459 function editFeed(feed) {
 460
 461 //      notify("Editing feed...");
 462
 463         if (!xmlhttp_ready(xmlhttp)) {
 464                 printLockingError();
 465                 return
 466         }
 467
 468         notify_progress("Loading, please wait...");
 469
 470         document.getElementById("subscribe_to_feed_btn").disabled = true;
 471
 472         try {
 473                 document.getElementById("top25_feeds_btn").disabled = true;
 474         } catch (e) {
 475                 // this button is not always available, no-op if not found
 476         }
 477
 478         // clean selection from all rows & select row being edited
 479         selectTableRowsByIdPrefix('prefFeedList', 'FEEDR-', 'FRCHK-', false);
 480         selectTableRowById('FEEDR-'+feed, 'FRCHK-'+feed, true);
 481
 482         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 483                 param_escape(feed), true);
 484
 485         xmlhttp.onreadystatechange=infobox_callback;
 486         xmlhttp.send(null);
 487
 488 }
 489
 490 function editFeedCat(cat) {
 491
 492         if (!xmlhttp_ready(xmlhttp)) {
 493                 printLockingError();
 494                 return
 495         }
 496
 497         notify_progress("Loading, please wait...");
 498
 499         active_feed_cat = cat;
 500
 501         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=edit&id=" +
 502                 param_escape(cat), true);
 503         xmlhttp.onreadystatechange=infobox_callback;
 504         xmlhttp.send(null);
 505
 506 }
 507
 508 function getSelectedLabels() {
 509         return getSelectedTableRowIds("prefLabelList", "LILRR");
 510 }
 511
 512 function getSelectedUsers() {
 513         return getSelectedTableRowIds("prefUserList", "UMRR");
 514 }
 515
 516 function getSelectedFeeds() {
 517         return getSelectedTableRowIds("prefFeedList", "FEEDR");
 518 }
 519
 520 function getSelectedFilters() {
 521         return getSelectedTableRowIds("prefFilterList", "FILRR");
 522 }
 523
 524 function getSelectedFeedCats() {
 525         return getSelectedTableRowIds("prefFeedCatList", "FCATR");
 526 }
 527
 528 function getSelectedFeedsFromBrowser() {
 529
 530         var list = document.getElementById("browseFeedList");
 531         if (!list) list = document.getElementById("browseBigFeedList");
 532
 533         var selected = new Array();
 534
 535         for (i = 0; i < list.childNodes.length; i++) {
 536                 var child = list.childNodes[i];
 537                 if (child.id && child.id.match("FBROW-")) {
 538                         var id = child.id.replace("FBROW-", "");
 539
 540                         var cb = document.getElementById("FBCHK-" + id);
 541
 542                         if (cb.checked) {
 543                                 selected.push(id);
 544                         }
 545                 }
 546         }
 547
 548         return selected;
 549 }
 550
 551 function removeSelectedLabels() {
 552
 553         if (!xmlhttp_ready(xmlhttp)) {
 554                 printLockingError();
 555                 return
 556         }
 557
 558         var sel_rows = getSelectedLabels();
 559
 560         if (sel_rows.length > 0) {
 561
 562                 var ok = confirm(__("Remove selected labels?"));
 563
 564                 if (ok) {
 565                         notify_progress("Removing selected labels...");
 566
 567                         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=remove&ids="+
 568                                 param_escape(sel_rows.toString()), true);
 569                         xmlhttp.onreadystatechange=labellist_callback;
 570                         xmlhttp.send(null);
 571                 }
 572         } else {
 573                 alert(__("No labels are selected."));
 574         }
 575
 576         return false;
 577 }
 578
 579 function removeSelectedUsers() {
 580
 581         if (!xmlhttp_ready(xmlhttp)) {
 582                 printLockingError();
 583                 return
 584         }
 585
 586         var sel_rows = getSelectedUsers();
 587
 588         if (sel_rows.length > 0) {
 589
 590                 var ok = confirm(__("Remove selected users?"));
 591
 592                 if (ok) {
 593                         notify_progress("Removing selected users...");
 594
 595                         xmlhttp.open("GET", "backend.php?op=pref-users&subop=remove&ids="+
 596                                 param_escape(sel_rows.toString()), true);
 597                         xmlhttp.onreadystatechange=userlist_callback;
 598                         xmlhttp.send(null);
 599                 }
 600
 601         } else {
 602                 alert(__("No users are selected."));
 603         }
 604
 605         return false;
 606 }
 607
 608 function removeSelectedFilters() {
 609
 610         if (!xmlhttp_ready(xmlhttp)) {
 611                 printLockingError();
 612                 return
 613         }
 614
 615         var sel_rows = getSelectedFilters();
 616
 617         if (sel_rows.length > 0) {
 618
 619                 var ok = confirm(__("Remove selected filters?"));
 620
 621                 if (ok) {
 622                         notify_progress("Removing selected filters...");
 623
 624                         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=remove&ids="+
 625                                 param_escape(sel_rows.toString()), true);
 626                         xmlhttp.onreadystatechange=filterlist_callback;
 627                         xmlhttp.send(null);
 628                 }
 629         } else {
 630                 alert(__("No filters are selected."));
 631         }
 632
 633         return false;
 634 }
 635
 636
 637 function removeSelectedFeeds() {
 638
 639         if (!xmlhttp_ready(xmlhttp)) {
 640                 printLockingError();
 641                 return
 642         }
 643
 644         var sel_rows = getSelectedFeeds();
 645
 646         if (sel_rows.length > 0) {
 647
 648                 var ok = confirm(__("Unsubscribe from selected feeds?"));
 649
 650                 if (ok) {
 651
 652                         notify_progress("Unsubscribing from selected feeds...");
 653
 654                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
 655                                 param_escape(sel_rows.toString()), true);
 656                         xmlhttp.onreadystatechange=feedlist_callback;
 657                         xmlhttp.send(null);
 658                 }
 659
 660         } else {
 661
 662                 alert(__("No feeds are selected."));
 663
 664         }
 665
 666         return false;
 667 }
 668
 669 function removeSelectedFeedCats() {
 670
 671         if (!xmlhttp_ready(xmlhttp)) {
 672                 printLockingError();
 673                 return
 674         }
 675
 676         var sel_rows = getSelectedFeedCats();
 677
 678         if (sel_rows.length > 0) {
 679
 680                 var ok = confirm(__("Remove selected categories?"));
 681
 682                 if (ok) {
 683                         notify_progress("Removing selected categories...");
 684
 685                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=remove&ids="+
 686                                 param_escape(sel_rows.toString()), true);
 687                         xmlhttp.onreadystatechange=infobox_callback;
 688                         xmlhttp.send(null);
 689                 }
 690
 691         } else {
 692
 693                 alert(__("No categories are selected."));
 694
 695         }
 696
 697         return false;
 698 }
 699
 700 function feedEditCancel() {
 701
 702         if (!xmlhttp_ready(xmlhttp)) {
 703                 printLockingError();
 704                 return
 705         }
 706
 707         document.getElementById("subscribe_to_feed_btn").disabled = false;
 708
 709         try {
 710                 document.getElementById("top25_feeds_btn").disabled = false;
 711         } catch (e) {
 712                 // this button is not always available, no-op if not found
 713         }
 714
 715         closeInfoBox();
 716
 717         selectPrefRows('feed', false); // cleanup feed selection
 718
 719         return false;
 720 }
 721
 722 function feedCatEditCancel() {
 723
 724         if (!xmlhttp_ready(xmlhttp)) {
 725                 printLockingError();
 726                 return
 727         }
 728
 729         active_feed_cat = false;
 730
 731 //      notify("Operation cancelled.");
 732
 733         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
 734         xmlhttp.onreadystatechange=infobox_callback;
 735         xmlhttp.send(null);
 736
 737         return false;
 738 }
 739
 740 function feedEditSave() {
 741
 742         try {
 743
 744                 if (!xmlhttp_ready(xmlhttp)) {
 745                         printLockingError();
 746                         return
 747                 }
 748
 749                 // FIXME: add parameter validation
 750
 751                 var query = Form.serialize("edit_feed_form");
 752
 753                 notify_progress("Saving feed...");
 754
 755                 xmlhttp.open("POST", "backend.php", true);
 756                 xmlhttp.onreadystatechange=feedlist_callback;
 757                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 758                 xmlhttp.send(query);
 759
 760                 closeInfoBox();
 761
 762                 return false;
 763
 764         } catch (e) {
 765                 exception_error("feedEditSave", e);
 766         }
 767 }
 768
 769 function feedCatEditSave() {
 770
 771         if (!xmlhttp_ready(xmlhttp)) {
 772                 printLockingError();
 773                 return
 774         }
 775
 776         notify_progress("Saving category...");
 777
 778         var query = Form.serialize("feed_cat_edit_form");
 779
 780         xmlhttp.open("GET", "backend.php?" + query, true);
 781         xmlhttp.onreadystatechange=infobox_callback;
 782         xmlhttp.send(null);
 783
 784         active_feed_cat = false;
 785
 786         return false;
 787 }
 788
 789
 790
 791 function displayHelpInfobox(topic_id) {
 792
 793 /*      if (!xmlhttp_ready(xmlhttp)) {
 794                 printLockingError();
 795                 return
 796         }
 797
 798         notify_progress("Loading help...");
 799
 800         xmlhttp.open("GET", "backend.php?op=help&tid=" +
 801                 param_escape(topic_id), true);
 802
 803         xmlhttp.onreadystatechange=helpbox_callback;
 804         xmlhttp.send(null); */
 805
 806         var url = "backend.php?op=help&tid=" + param_escape(topic_id);
 807
 808         var w = window.open(url, "ttrss_help",
 809                 "status=0,toolbar=0,location=0,width=400,height=450,menubar=0");
 810
 811 }
 812
 813 function labelEditCancel() {
 814
 815         if (!xmlhttp_ready(xmlhttp)) {
 816                 printLockingError();
 817                 return
 818         }
 819
 820         document.getElementById("label_create_btn").disabled = false;
 821
 822         active_label = false;
 823
 824         selectPrefRows('label', false); // cleanup feed selection
 825         closeInfoBox();
 826
 827         return false;
 828 }
 829
 830 function userEditCancel() {
 831
 832         if (!xmlhttp_ready(xmlhttp)) {
 833                 printLockingError();
 834                 return
 835         }
 836
 837         selectPrefRows('user', false); // cleanup feed selection
 838         closeInfoBox();
 839
 840         return false;
 841 }
 842
 843 function filterEditCancel() {
 844
 845         if (!xmlhttp_ready(xmlhttp)) {
 846                 printLockingError();
 847                 return
 848         }
 849
 850         document.getElementById("create_filter_btn").disabled = false;
 851
 852         selectPrefRows('filter', false); // cleanup feed selection
 853         closeInfoBox();
 854
 855         return false;
 856 }
 857
 858 function labelEditSave() {
 859
 860         var label = active_label;
 861
 862         if (!xmlhttp_ready(xmlhttp)) {
 863                 printLockingError();
 864                 return
 865         }
 866
 867 /*      if (!is_opera()) {
 868
 869                 var sql_exp = document.forms["label_edit_form"].sql_exp.value;
 870                 var description = document.forms["label_edit_form"].description.value;
 871
 872                 if (sql_exp.length == 0) {
 873                         alert("SQL Expression cannot be blank.");
 874                         return false;
 875                 }
 876
 877                 if (description.length == 0) {
 878                         alert("Caption field cannot be blank.");
 879                         return false;
 880                 }
 881         } */
 882
 883         closeInfoBox();
 884
 885         notify_progress("Saving label...");
 886
 887         active_label = false;
 888
 889         query = Form.serialize("label_edit_form");
 890
 891         xmlhttp.open("GET", "backend.php?" + query, true);
 892         xmlhttp.onreadystatechange=labellist_callback;
 893         xmlhttp.send(null);
 894
 895         return false;
 896 }
 897
 898 function userEditSave() {
 899
 900         if (!xmlhttp_ready(xmlhttp)) {
 901                 printLockingError();
 902                 return
 903         }
 904
 905         var login = document.forms["user_edit_form"].login.value;
 906
 907         if (login.length == 0) {
 908                 alert(__("Login field cannot be blank."));
 909                 return;
 910         }
 911
 912         notify_progress("Saving user...");
 913
 914         closeInfoBox();
 915
 916         var query = Form.serialize("user_edit_form");
 917
 918         xmlhttp.open("GET", "backend.php?" + query, true);
 919         xmlhttp.onreadystatechange=userlist_callback;
 920         xmlhttp.send(null);
 921
 922         return false;
 923 }
 924
 925
 926 function filterEditSave() {
 927
 928         if (!xmlhttp_ready(xmlhttp)) {
 929                 printLockingError();
 930                 return
 931         }
 932
 933 /*      if (!is_opera()) {
 934                 var reg_exp = document.forms["filter_edit_form"].reg_exp.value;
 935
 936                 if (reg_exp.length == 0) {
 937                         alert("Filter expression field cannot be blank.");
 938                         return;
 939                 }
 940         } */
 941
 942         notify_progress("Saving filter...");
 943
 944         var query = Form.serialize("filter_edit_form");
 945
 946         closeInfoBox();
 947
 948         document.getElementById("create_filter_btn").disabled = false;
 949
 950         xmlhttp.open("GET", "backend.php?" + query, true);
 951         xmlhttp.onreadystatechange=filterlist_callback;
 952         xmlhttp.send(null);
 953
 954         return false;
 955 }
 956
 957 function editSelectedLabel() {
 958         var rows = getSelectedLabels();
 959
 960         if (rows.length == 0) {
 961                 alert(__("No labels are selected."));
 962                 return;
 963         }
 964
 965         if (rows.length > 1) {
 966                 alert(__("Please select only one label."));
 967                 return;
 968         }
 969
 970         notify("");
 971
 972         editLabel(rows[0]);
 973
 974 }
 975
 976 function editSelectedUser() {
 977         var rows = getSelectedUsers();
 978
 979         if (rows.length == 0) {
 980                 alert(__("No users are selected."));
 981                 return;
 982         }
 983
 984         if (rows.length > 1) {
 985                 alert(__("Please select only one user."));
 986                 return;
 987         }
 988
 989         notify("");
 990
 991         editUser(rows[0]);
 992 }
 993
 994 function resetSelectedUserPass() {
 995         var rows = getSelectedUsers();
 996
 997         if (rows.length == 0) {
 998                 alert(__("No users are selected."));
 999                 return;
1000         }
1001
1002         if (rows.length > 1) {
1003                 alert(__("Please select only one user."));
1004                 return;
1005         }
1006
1007         var ok = confirm(__("Reset password of selected user?"));
1008
1009         if (ok) {
1010                 notify_progress("Resetting password for selected user...");
1011
1012                 var id = rows[0];
1013
1014                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=resetPass&id=" +
1015                         param_escape(id), true);
1016                 xmlhttp.onreadystatechange=userlist_callback;
1017                 xmlhttp.send(null);
1018         }
1019 }
1020
1021 function selectedUserDetails() {
1022
1023         if (!xmlhttp_ready(xmlhttp)) {
1024                 printLockingError();
1025                 return
1026         }
1027
1028         var rows = getSelectedUsers();
1029
1030         if (rows.length == 0) {
1031                 alert(__("No users are selected."));
1032                 return;
1033         }
1034
1035         if (rows.length > 1) {
1036                 alert(__("Please select only one user."));
1037                 return;
1038         }
1039
1040         notify_progress("Loading, please wait...");
1041
1042         var id = rows[0];
1043
1044         xmlhttp.open("GET", "backend.php?op=user-details&id=" + id, true);
1045         xmlhttp.onreadystatechange=infobox_callback;
1046         xmlhttp.send(null);
1047
1048 }
1049
1050 function selectedFeedDetails() {
1051
1052         if (!xmlhttp_ready(xmlhttp)) {
1053                 printLockingError();
1054                 return
1055         }
1056
1057         var rows = getSelectedFeeds();
1058
1059         if (rows.length == 0) {
1060                 alert(__("No feeds are selected."));
1061                 return;
1062         }
1063
1064         if (rows.length > 1) {
1065                 alert(__("Please select only one feed."));
1066                 return;
1067         }
1068
1069 //      var id = rows[0];
1070
1071         notify("");
1072
1073         xmlhttp.open("GET", "backend.php?op=feed-details&id=" +
1074                 param_escape(rows.toString()), true);
1075         xmlhttp.onreadystatechange=infobox_callback;
1076         xmlhttp.send(null);
1077
1078 }
1079
1080 function editSelectedFilter() {
1081         var rows = getSelectedFilters();
1082
1083         if (rows.length == 0) {
1084                 alert(__("No filters are selected."));
1085                 return;
1086         }
1087
1088         if (rows.length > 1) {
1089                 alert(__("Please select only one filter."));
1090                 return;
1091         }
1092
1093         notify("");
1094
1095         editFilter(rows[0]);
1096
1097 }
1098
1099
1100 function editSelectedFeed() {
1101         var rows = getSelectedFeeds();
1102
1103         if (rows.length == 0) {
1104                 alert(__("No feeds are selected."));
1105                 return;
1106         }
1107
1108         if (rows.length > 1) {
1109                 alert(__("Please select one feed."));
1110                 return;
1111         }
1112
1113         notify("");
1114
1115         editFeed(rows[0]);
1116
1117 }
1118
1119 function editSelectedFeedCat() {
1120         var rows = getSelectedFeedCats();
1121
1122         if (rows.length == 0) {
1123                 alert(__("No categories are selected."));
1124                 return;
1125         }
1126
1127         if (rows.length > 1) {
1128                 alert(__("Please select only one category."));
1129                 return;
1130         }
1131
1132         notify("");
1133
1134         editFeedCat(rows[0]);
1135
1136 }
1137
1138 function localPiggieFunction(enable) {
1139         if (enable) {
1140                 debug("I LOVEDED IT!");
1141                 var piggie = document.getElementById("piggie");
1142
1143                 Element.show(piggie);
1144                 Position.Center(piggie);
1145                 Effect.Puff(piggie);
1146
1147         }
1148 }
1149
1150 function validateOpmlImport() {
1151
1152         var opml_file = document.getElementById("opml_file");
1153
1154         if (opml_file.value.length == 0) {
1155                 alert(__("No OPML file to upload."));
1156                 return false;
1157         } else {
1158                 return true;
1159         }
1160 }
1161
1162 function updateFilterList(sort_key) {
1163
1164         if (!xmlhttp_ready(xmlhttp)) {
1165                 printLockingError();
1166                 return
1167         }
1168
1169 //      document.getElementById("prefContent").innerHTML = "Loading filters, please wait...";
1170
1171 //      p_notify("Loading, please wait...");
1172
1173         xmlhttp.open("GET", "backend.php?op=pref-filters&sort=" +
1174                 param_escape(sort_key), true);
1175         xmlhttp.onreadystatechange=filterlist_callback;
1176         xmlhttp.send(null);
1177
1178 }
1179
1180 function updateLabelList(sort_key) {
1181
1182         if (!xmlhttp_ready(xmlhttp)) {
1183                 printLockingError();
1184                 return
1185         }
1186
1187 //      p_notify("Loading, please wait...");
1188
1189 //      document.getElementById("prefContent").innerHTML = "Loading labels, please wait...";
1190
1191         xmlhttp.open("GET", "backend.php?op=pref-labels&sort=" +
1192                 param_escape(sort_key), true);
1193         xmlhttp.onreadystatechange=labellist_callback;
1194         xmlhttp.send(null);
1195 }
1196
1197 function updatePrefsList() {
1198
1199         if (!xmlhttp_ready(xmlhttp)) {
1200                 printLockingError();
1201                 return
1202         }
1203
1204 //      p_notify("Loading, please wait...");
1205
1206         xmlhttp.open("GET", "backend.php?op=pref-prefs", true);
1207         xmlhttp.onreadystatechange=prefslist_callback;
1208         xmlhttp.send(null);
1209
1210 }
1211
1212 function selectTab(id, noupdate, subop) {
1213
1214 //      alert(id);
1215
1216         if (!id) id = active_tab;
1217
1218         try {
1219
1220                 if (!xmlhttp_ready(xmlhttp)) {
1221                         printLockingError();
1222                         return
1223                 }
1224
1225                 try {
1226                         var c = document.getElementById('prefContent');
1227                         c.scrollTop = 0;
1228                 } catch (e) { };
1229
1230                 if (!noupdate) {
1231
1232                         debug("selectTab: " + id + "(NU: " + noupdate + ")");
1233
1234                         notify_progress("Loading, please wait...");
1235
1236                         // close active infobox if needed
1237                         closeInfoBox();
1238
1239                         // clean up all current selections, just in case
1240                         active_feed_cat = false;
1241                         active_label = false;
1242
1243                         if (id == "feedConfig") {
1244                                 updateFeedList();
1245                         } else if (id == "filterConfig") {
1246                                 updateFilterList();
1247                         } else if (id == "labelConfig") {
1248                                 updateLabelList();
1249                         } else if (id == "genConfig") {
1250                                 updatePrefsList();
1251                         } else if (id == "userConfig") {
1252                                 updateUsersList();
1253                         } else if (id == "feedBrowser") {
1254                                 updateBigFeedBrowser();
1255                         }
1256                 }
1257
1258                 var tab = document.getElementById(active_tab + "Tab");
1259
1260                 if (tab) {
1261                         if (tab.className.match("Selected")) {
1262                                 tab.className = "prefsTab";
1263                         }
1264                 }
1265
1266                 tab = document.getElementById(id + "Tab");
1267
1268                 if (tab) {
1269                         if (!tab.className.match("Selected")) {
1270                                 tab.className = tab.className + "Selected";
1271                         }
1272                 }
1273
1274                 active_tab = id;
1275
1276         } catch (e) {
1277                 exception_error("selectTab", e);
1278         }
1279 }
1280
1281 function backend_sanity_check_callback() {
1282
1283         if (xmlhttp.readyState == 4) {
1284
1285                 try {
1286
1287                         if (sanity_check_done) {
1288                                 fatalError(11, "Sanity check request received twice. This can indicate "+
1289                               "presence of Firebug or some other disrupting extension. "+
1290                                         "Please disable it and try again.");
1291                                 return;
1292                         }
1293
1294                         if (!xmlhttp.responseXML) {
1295                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
1296                                 return;
1297                         }
1298
1299                         var reply = xmlhttp.responseXML.firstChild.firstChild;
1300
1301                         if (!reply) {
1302                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
1303                                 return;
1304                         }
1305
1306                         var error_code = reply.getAttribute("error-code");
1307
1308                         if (error_code && error_code != 0) {
1309                                 return fatalError(error_code, reply.getAttribute("error-msg"));
1310                         }
1311
1312                         debug("sanity check ok");
1313
1314                         var params = reply.nextSibling;
1315
1316                         if (params) {
1317                                 debug('reading init-params...');
1318                                 var param = params.firstChild;
1319
1320                                 while (param) {
1321                                         var k = param.getAttribute("key");
1322                                         var v = param.getAttribute("value");
1323                                         debug(k + " => " + v);
1324                                         init_params[k] = v;
1325                                         param = param.nextSibling;
1326                                 }
1327                         }
1328
1329                         sanity_check_done = true;
1330
1331                         init_second_stage();
1332
1333                 } catch (e) {
1334                         exception_error("backend_sanity_check_callback", e);
1335                 }
1336         }
1337 }
1338
1339 function init_second_stage() {
1340
1341         try {
1342                 active_tab = getInitParam("prefs_active_tab");
1343                 if (!active_tab || active_tab == '0') active_tab = "genConfig";
1344
1345                 document.onkeydown = pref_hotkey_handler;
1346
1347                 var tab = getURLParam('tab');
1348
1349                 caller_subop = getURLParam('subop');
1350
1351                 if (tab) {
1352                         active_tab = tab;
1353                 }
1354
1355                 if (navigator.userAgent.match("Opera")) {
1356                         setTimeout("selectTab()", 500);
1357                 } else {
1358                         selectTab(active_tab);
1359                 }
1360                 notify("");
1361         } catch (e) {
1362                 exception_error("init_second_stage", e);
1363         }
1364 }
1365
1366 function init() {
1367
1368         try {
1369
1370                 if (arguments.callee.done) return;
1371                 arguments.callee.done = true;
1372
1373                 if (getURLParam('debug')) {
1374                         document.getElementById('debug_output').style.display = 'block';
1375                         debug('debug mode activated');
1376                 }
1377
1378                 // IE kludge
1379                 if (!xmlhttp) {
1380                         document.getElementById("prefContent").innerHTML =
1381                                 "<b>Fatal error:</b> This program needs XmlHttpRequest " +
1382                                 "to function properly. Your browser doesn't seem to support it.";
1383                         return;
1384                 }
1385
1386                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
1387                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
1388                 xmlhttp.send(null);
1389
1390         } catch (e) {
1391                 exception_error("init", e);
1392         }
1393 }
1394
1395 function categorizeSelectedFeeds() {
1396
1397         if (!xmlhttp_ready(xmlhttp)) {
1398                 printLockingError();
1399                 return
1400         }
1401
1402         var sel_rows = getSelectedFeeds();
1403
1404         var cat_sel = document.getElementById("sfeed_set_fcat");
1405         var cat_id = cat_sel[cat_sel.selectedIndex].value;
1406
1407         if (sel_rows.length > 0) {
1408
1409                 notify_progress("Changing category of selected feeds...");
1410
1411                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=categorize&ids="+
1412                         param_escape(sel_rows.toString()) + "&cat_id=" + param_escape(cat_id), true);
1413                 xmlhttp.onreadystatechange=feedlist_callback;
1414                 xmlhttp.send(null);
1415
1416         } else {
1417
1418                 alert(__("No feeds are selected."));
1419
1420         }
1421
1422 }
1423
1424 function validatePrefsReset() {
1425         try {
1426                 var ok = confirm(__("Reset to defaults?"));
1427
1428                 if (ok) {
1429
1430                         var query = Form.serialize("pref_prefs_form");
1431                         query = query + "&subop=reset-config";
1432                         debug(query);
1433
1434                         xmlhttp.open("POST", "backend.php", true);
1435                         xmlhttp.onreadystatechange=prefs_reset_callback;
1436                         xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1437                         xmlhttp.send(query);
1438                 }
1439
1440         } catch (e) {
1441                 exception_error("validatePrefsSave", e);
1442         }
1443
1444         return false;
1445
1446 }
1447
1448 function browseFeeds(limit) {
1449
1450         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=browse", true);
1451         xmlhttp.onreadystatechange=infobox_callback;
1452         xmlhttp.send(null);
1453
1454 }
1455
1456 function feedBrowserSubscribe() {
1457         try {
1458
1459                 var selected = getSelectedFeedsFromBrowser();
1460
1461                 if (selected.length > 0) {
1462                         closeInfoBox();
1463                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=massSubscribe&ids="+
1464                                 param_escape(selected.toString()), true);
1465                         xmlhttp.onreadystatechange=feedlist_callback;
1466                         xmlhttp.send(null);
1467                 } else {
1468                         alert(__("No feeds are selected."));
1469                 }
1470
1471         } catch (e) {
1472                 exception_error("feedBrowserSubscribe", e);
1473         }
1474 }
1475
1476 function updateBigFeedBrowser(limit) {
1477
1478         if (!xmlhttp_ready(xmlhttp)) {
1479                 printLockingError();
1480                 return
1481         }
1482
1483 //      p_notify("Loading, please wait...");
1484
1485         var query = "backend.php?op=pref-feed-browser";
1486
1487         var limit_sel = document.getElementById("feedBrowserLimit");
1488
1489         if (limit_sel) {
1490                 var limit = limit_sel[limit_sel.selectedIndex].value;
1491                 query = query + "&limit=" + param_escape(limit);
1492         }
1493
1494         xmlhttp.open("GET", query, true);
1495         xmlhttp.onreadystatechange=feed_browser_callback;
1496         xmlhttp.send(null);
1497 }
1498
1499 function browserToggleExpand(id) {
1500         try {
1501 /*              if (feed_to_expand && feed_to_expand != id) {
1502                         var d = document.getElementById("BRDET-" + feed_to_expand);
1503                         d.style.display = "none";
1504                 } */
1505
1506                 if (!xmlhttp_ready(xmlhttp)) {
1507                         printLockingError();
1508                         return
1509                 }
1510
1511 /*              if (feed_to_expand && id != feed_to_expand) {
1512                         Effect.Fade('BRDET-' + feed_to_expand, {duration : 0.5});
1513                 } */
1514
1515                 var d = document.getElementById("BRDET-" + id);
1516
1517                 if (Element.visible(d)) {
1518                         Effect.Fade(d, {duration : 0.5});
1519                 } else {
1520                         feed_to_expand = id;
1521
1522                         xmlhttp.open("GET", "backend.php?op=pref-feed-browser&subop=details&id="
1523                                 + param_escape(id), true);
1524                         xmlhttp.onreadystatechange=expand_feed_callback;
1525                         xmlhttp.send(null);
1526                 }
1527
1528         } catch (e) {
1529                 exception_error("browserToggleExpand", e);
1530         }
1531 }
1532
1533 function selectPrefRows(kind, select) {
1534
1535         if (kind) {
1536                 var opbarid = false;
1537                 var nchk = false;
1538                 var nrow = false;
1539                 var lname = false;
1540
1541                 if (kind == "feed") {
1542                         opbarid = "feedOpToolbar";
1543                         nrow = "FEEDR-";
1544                         nchk = "FRCHK-";
1545                         lname = "prefFeedList";
1546                 } else if (kind == "fcat") {
1547                         opbarid = "catOpToolbar";
1548                         nrow = "FCATR-";
1549                         nchk = "FCCHK-";
1550                         lname = "prefFeedCatList";
1551                 } else if (kind == "filter") {
1552                         opbarid = "filterOpToolbar";
1553                         nrow = "FILRR-";
1554                         nchk = "FICHK-";
1555                         lname = "prefFilterList";
1556                 } else if (kind == "label") {
1557                         opbarid = "labelOpToolbar";
1558                         nrow = "LILRR-";
1559                         nchk = "LICHK-";
1560                         lname = "prefLabelList";
1561                 } else if (kind == "user") {
1562                         opbarid = "userOpToolbar";
1563                         nrow = "UMRR-";
1564                         nchk = "UMCHK-";
1565                         lname = "prefUserList";
1566                 }
1567
1568                 if (opbarid) {
1569                         selectTableRowsByIdPrefix(lname, nrow, nchk, select);
1570                         disableContainerChildren(opbarid, !select);
1571                 }
1572
1573         }
1574 }
1575
1576
1577 function toggleSelectPrefRow(sender, kind) {
1578
1579         toggleSelectRow(sender);
1580
1581         if (kind) {
1582                 var opbarid = false;
1583                 var nsel = -1;
1584
1585                 if (kind == "feed") {
1586                         opbarid = "feedOpToolbar";
1587                         nsel = getSelectedFeeds();
1588                 } else if (kind == "fcat") {
1589                         opbarid = "catOpToolbar";
1590                         nsel = getSelectedFeedCats();
1591                 } else if (kind == "filter") {
1592                         opbarid = "filterOpToolbar";
1593                         nsel = getSelectedFilters();
1594                 } else if (kind == "label") {
1595                         opbarid = "labelOpToolbar";
1596                         nsel = getSelectedLabels();
1597                 } else if (kind == "user") {
1598                         opbarid = "userOpToolbar";
1599                         nsel = getSelectedUsers();
1600                 }
1601
1602                 if (opbarid && nsel != -1) {
1603                         disableContainerChildren(opbarid, nsel == false);
1604                 }
1605
1606         }
1607 }
1608
1609 function toggleSelectFBListRow(sender) {
1610         toggleSelectListRow(sender);
1611         disableContainerChildren("fbrOpToolbar", getSelectedFeedsFromBrowser() == 0);
1612 }
1613
1614 var seq = "";
1615
1616 function pref_hotkey_handler(e) {
1617         try {
1618
1619                 var keycode;
1620
1621                 if (!hotkeys_enabled) return;
1622
1623                 if (window.event) {
1624                         keycode = window.event.keyCode;
1625                 } else if (e) {
1626                         keycode = e.which;
1627                 }
1628
1629                 if (keycode == 13 || keycode == 27) {
1630                         seq = "";
1631                 } else {
1632                         seq = seq + "" + keycode;
1633                 }
1634
1635
1636         if (document.getElementById("piggie")) {
1637
1638                 if (seq.match("807371717369")) {
1639                         seq = "";
1640                         localPiggieFunction(true);
1641                 } else {
1642                         localPiggieFunction(false);
1643                 }
1644         }
1645
1646         } catch (e) {
1647                 exception_error("pref_hotkey_handler", e);
1648         }
1649 }
1650
1651 function userSwitch() {
1652         var chooser = document.getElementById("userSwitch");
1653         var user = chooser[chooser.selectedIndex].value;
1654         window.location = "prefs.php?swu=" + user;
1655 }
1656
1657 function editFeedCats() {
1658         if (!xmlhttp_ready(xmlhttp)) {
1659                 printLockingError();
1660                 return
1661         }
1662
1663         document.getElementById("subscribe_to_feed_btn").disabled = true;
1664
1665         try {
1666                 document.getElementById("top25_feeds_btn").disabled = true;
1667         } catch (e) {
1668                 // this button is not always available, no-op if not found
1669         }
1670
1671         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
1672         xmlhttp.onreadystatechange=infobox_feed_cat_callback;
1673         xmlhttp.send(null);
1674 }
1675
1676 function showFeedsWithErrors() {
1677         displayDlg('feedUpdateErrors');
1678 }
1679
1680 function changeUserPassword() {
1681
1682         try {
1683
1684                 if (!xmlhttp_ready(xmlhttp)) {
1685                         printLockingError();
1686                         return false;
1687                 }
1688
1689                 var f = document.forms["change_pass_form"];
1690
1691                 if (f) {
1692                         if (f.OLD_PASSWORD.value == "") {
1693                                 new Effect.Highlight(f.OLD_PASSWORD);
1694                                 notify_error("Old password cannot be blank.");
1695                                 return false;
1696                         }
1697
1698                         if (f.NEW_PASSWORD.value == "") {
1699                                 new Effect.Highlight(f.NEW_PASSWORD);
1700                                 notify_error("New password cannot be blank.");
1701                                 return false;
1702                         }
1703
1704                         if (f.CONFIRM_PASSWORD.value == "") {
1705                                 new Effect.Highlight(f.CONFIRM_PASSWORD);
1706                                 notify_error("Entered passwords do not match.");
1707                                 return false;
1708                         }
1709
1710                         if (f.CONFIRM_PASSWORD.value != f.NEW_PASSWORD.value) {
1711                                 new Effect.Highlight(f.CONFIRM_PASSWORD);
1712                                 new Effect.Highlight(f.NEW_PASSWORD);
1713                                 notify_error("Entered passwords do not match.");
1714                                 return false;
1715                         }
1716
1717                 }
1718
1719                 var query = Form.serialize("change_pass_form");
1720
1721                 notify_progress("Trying to change password...");
1722
1723                 xmlhttp.open("POST", "backend.php", true);
1724                 xmlhttp.onreadystatechange=changepass_callback;
1725                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1726                 xmlhttp.send(query);
1727
1728         } catch (e) {
1729                 exception_error("changeUserPassword", e);
1730         }
1731
1732         return false;
1733 }
1734
1735 function changeUserEmail() {
1736
1737         try {
1738
1739                 if (!xmlhttp_ready(xmlhttp)) {
1740                         printLockingError();
1741                         return false;
1742                 }
1743
1744                 var query = Form.serialize("change_email_form");
1745
1746                 notify_progress("Trying to change e-mail...");
1747
1748                 xmlhttp.open("POST", "backend.php", true);
1749                 xmlhttp.onreadystatechange=notify_callback;
1750                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1751                 xmlhttp.send(query);
1752
1753         } catch (e) {
1754                 exception_error("changeUserPassword", e);
1755         }
1756
1757         return false;
1758
1759 }
1760
1761 function feedlistToggleSLAT() {
1762         notify_progress("Loading, please wait...");
1763         updateFeedList()
1764 }
1765
1766 function pubRegenKey() {
1767
1768         if (!xmlhttp_ready(xmlhttp)) {
1769                 printLockingError();
1770                 return false;
1771         }
1772
1773         var ok = confirm(__("Replace current publishing address with a new one?"));
1774
1775         if (ok) {
1776
1777                 notify_progress("Trying to change address...");
1778
1779                 xmlhttp.open("GET", "backend.php?op=rpc&subop=regenPubKey");
1780                 xmlhttp.onreadystatechange=replace_pubkey_callback;
1781                 xmlhttp.send(null);
1782         }
1783
1784         return false;
1785 }
1786
1787 function validatePrefsSave() {
1788         try {
1789
1790                 var ok = confirm(__("Save current configuration?"));
1791
1792                 if (ok) {
1793
1794                         var query = Form.serialize("pref_prefs_form");
1795                         query = query + "&subop=save-config";
1796                         debug(query);
1797
1798                         xmlhttp.open("POST", "backend.php", true);
1799                         xmlhttp.onreadystatechange=notify_callback;
1800                         xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1801                         xmlhttp.send(query);
1802                 }
1803
1804         } catch (e) {
1805                 exception_error("validatePrefsSave", e);
1806         }
1807
1808         return false;
1809 }