prefs.js

   1 /*
   2         This program is Copyright (c) 2003-2005 Andrew Dolgov <cthulhoo@gmail.com>
   3         Licensed under GPL v.2 or (at your preference) any later version.
   4 */
   5
   6 var xmlhttp = false;
   7
   8 var active_feed = false;
   9 var active_filter = false;
  10 var active_label = false;
  11 var active_user = false;
  12
  13 var active_tab = false;
  14
  15 /*@cc_on @*/
  16 /*@if (@_jscript_version >= 5)
  17 // JScript gives us Conditional compilation, we can cope with old IE versions.
  18 // and security blocked creation of the objects.
  19 try {
  20         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  21 } catch (e) {
  22         try {
  23                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  24         } catch (E) {
  25                 xmlhttp = false;
  26         }
  27 }
  28 @end @*/
  29
  30 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  31         xmlhttp = new XMLHttpRequest();
  32 }
  33
  34 function feedlist_callback() {
  35         var container = document.getElementById('prefContent');
  36         if (xmlhttp.readyState == 4) {
  37                 container.innerHTML=xmlhttp.responseText;
  38                 if (active_feed) {
  39                         var row = document.getElementById("FEEDR-" + active_feed);
  40                         if (row) {
  41                                 if (!row.className.match("Selected")) {
  42                                         row.className = row.className + "Selected";
  43                                 }
  44                         }
  45                         var checkbox = document.getElementById("FRCHK-" + active_feed);
  46                         if (checkbox) {
  47                                 checkbox.checked = true;
  48                         }
  49                 }
  50                 p_notify("");
  51         }
  52 }
  53
  54 function filterlist_callback() {
  55         var container = document.getElementById('prefContent');
  56         if (xmlhttp.readyState == 4) {
  57
  58                 container.innerHTML=xmlhttp.responseText;
  59
  60                 if (active_filter) {
  61                         var row = document.getElementById("FILRR-" + active_filter);
  62                         if (row) {
  63                                 if (!row.className.match("Selected")) {
  64                                         row.className = row.className + "Selected";
  65                                 }
  66                         }
  67                         var checkbox = document.getElementById("FICHK-" + active_filter);
  68
  69                         if (checkbox) {
  70                                 checkbox.checked = true;
  71                         }
  72                 }
  73                 p_notify("");
  74         }
  75 }
  76
  77 function labellist_callback() {
  78         var container = document.getElementById('prefContent');
  79         if (xmlhttp.readyState == 4) {
  80                 container.innerHTML=xmlhttp.responseText;
  81
  82                 if (active_filter) {
  83                         var row = document.getElementById("LILRR-" + active_label);
  84                         if (row) {
  85                                 if (!row.className.match("Selected")) {
  86                                         row.className = row.className + "Selected";
  87                                 }
  88                         }
  89                         var checkbox = document.getElementById("LICHK-" + active_label);
  90
  91                         if (checkbox) {
  92                                 checkbox.checked = true;
  93                         }
  94                 }
  95                 p_notify("");
  96         }
  97 }
  98
  99 function userlist_callback() {
 100         var container = document.getElementById('prefContent');
 101         if (xmlhttp.readyState == 4) {
 102                 container.innerHTML=xmlhttp.responseText;
 103
 104 /*              if (active_filter) {
 105                         var row = document.getElementById("ULRR-" + active_label);
 106                         if (row) {
 107                                 if (!row.className.match("Selected")) {
 108                                         row.className = row.className + "Selected";
 109                                 }
 110                         }
 111                         var checkbox = document.getElementById("LICHK-" + active_label);
 112
 113                         if (checkbox) {
 114                                 checkbox.checked = true;
 115                         }
 116                 } */
 117                 p_notify("");
 118         }
 119 }
 120
 121 function prefslist_callback() {
 122         var container = document.getElementById('prefContent');
 123         if (xmlhttp.readyState == 4) {
 124
 125                 container.innerHTML=xmlhttp.responseText;
 126
 127                 p_notify("");
 128         }
 129 }
 130
 131 function gethelp_callback() {
 132         var container = document.getElementById('prefHelpBox');
 133         if (xmlhttp.readyState == 4) {
 134
 135                 container.innerHTML = xmlhttp.responseText;
 136                 container.style.display = "block";
 137
 138         }
 139 }
 140
 141
 142 function notify_callback() {
 143         var container = document.getElementById('notify');
 144         if (xmlhttp.readyState == 4) {
 145                 container.innerHTML=xmlhttp.responseText;
 146         }
 147 }
 148
 149
 150 function updateFeedList() {
 151
 152         if (!xmlhttp_ready(xmlhttp)) {
 153                 printLockingError();
 154                 return
 155         }
 156
 157 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 158
 159         p_notify("Loading, please wait...");
 160
 161         xmlhttp.open("GET", "backend.php?op=pref-feeds", true);
 162         xmlhttp.onreadystatechange=feedlist_callback;
 163         xmlhttp.send(null);
 164
 165 }
 166
 167 function updateUsersList() {
 168
 169         if (!xmlhttp_ready(xmlhttp)) {
 170                 printLockingError();
 171                 return
 172         }
 173
 174 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 175
 176         p_notify("Loading, please wait...");
 177
 178         xmlhttp.open("GET", "backend.php?op=pref-users", true);
 179         xmlhttp.onreadystatechange=userlist_callback;
 180         xmlhttp.send(null);
 181
 182 }
 183
 184 function toggleSelectRow(sender) {
 185         var parent_row = sender.parentNode.parentNode;
 186
 187         if (sender.checked) {
 188                 if (!parent_row.className.match("Selected")) {
 189                         parent_row.className = parent_row.className + "Selected";
 190                 }
 191         } else {
 192                 if (parent_row.className.match("Selected")) {
 193                         parent_row.className = parent_row.className.replace("Selected", "");
 194                 }
 195         }
 196 }
 197
 198 function addLabel() {
 199
 200         if (!xmlhttp_ready(xmlhttp)) {
 201                 printLockingError();
 202                 return
 203         }
 204
 205         var sqlexp = document.getElementById("ladd_expr");
 206
 207         if (sqlexp.value.length == 0) {
 208                 notify("Missing SQL expression.");
 209         } else {
 210                 notify("Adding label...");
 211
 212                 xmlhttp.open("GET", "backend.php?op=pref-labels&subop=add&exp=" +
 213                         param_escape(sqlexp.value), true);
 214
 215                 xmlhttp.onreadystatechange=labellist_callback;
 216                 xmlhttp.send(null);
 217
 218                 sqlexp.value = "";
 219         }
 220
 221 }
 222
 223 function addFilter() {
 224
 225         if (!xmlhttp_ready(xmlhttp)) {
 226                 printLockingError();
 227                 return
 228         }
 229
 230         var regexp = document.getElementById("fadd_regexp");
 231         var match = document.getElementById("fadd_match");
 232
 233         if (regexp.value.length == 0) {
 234                 notify("Missing filter expression.");
 235         } else {
 236                 notify("Adding filter...");
 237
 238                 var v_match = match[match.selectedIndex].text;
 239
 240                 xmlhttp.open("GET", "backend.php?op=pref-filters&subop=add&regexp=" +
 241                         param_escape(regexp.value) + "&match=" + v_match, true);
 242
 243                 xmlhttp.onreadystatechange=filterlist_callback;
 244                 xmlhttp.send(null);
 245
 246                 regexp.value = "";
 247         }
 248
 249 }
 250
 251 function addFeed() {
 252
 253         if (!xmlhttp_ready(xmlhttp)) {
 254                 printLockingError();
 255                 return
 256         }
 257
 258         var link = document.getElementById("fadd_link");
 259
 260         if (link.value.length == 0) {
 261                 notify("Missing feed URL.");
 262         } else {
 263                 notify("Adding feed...");
 264
 265                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&link=" +
 266                         param_escape(link.value), true);
 267                 xmlhttp.onreadystatechange=feedlist_callback;
 268                 xmlhttp.send(null);
 269
 270                 link.value = "";
 271
 272         }
 273
 274 }
 275
 276 function addUser() {
 277
 278         if (!xmlhttp_ready(xmlhttp)) {
 279                 printLockingError();
 280                 return
 281         }
 282
 283         var sqlexp = document.getElementById("uadd_box");
 284
 285         if (sqlexp.value.length == 0) {
 286                 notify("Missing user login.");
 287         } else {
 288                 notify("Adding user...");
 289
 290                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=add&login=" +
 291                         param_escape(sqlexp.value), true);
 292
 293                 xmlhttp.onreadystatechange=userlist_callback;
 294                 xmlhttp.send(null);
 295
 296                 sqlexp.value = "";
 297         }
 298
 299 }
 300
 301 function editLabel(id) {
 302
 303         if (!xmlhttp_ready(xmlhttp)) {
 304                 printLockingError();
 305                 return
 306         }
 307
 308         active_label = id;
 309
 310         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=edit&id=" +
 311                 param_escape(id), true);
 312         xmlhttp.onreadystatechange=labellist_callback;
 313         xmlhttp.send(null);
 314
 315 }
 316
 317 function editUser(id) {
 318
 319         if (!xmlhttp_ready(xmlhttp)) {
 320                 printLockingError();
 321                 return
 322         }
 323
 324         active_user = id;
 325
 326         xmlhttp.open("GET", "backend.php?op=pref-users&subop=edit&id=" +
 327                 param_escape(id), true);
 328         xmlhttp.onreadystatechange=userlist_callback;
 329         xmlhttp.send(null);
 330
 331 }
 332
 333 function editFilter(id) {
 334
 335         if (!xmlhttp_ready(xmlhttp)) {
 336                 printLockingError();
 337                 return
 338         }
 339
 340         active_filter = id;
 341
 342         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=edit&id=" +
 343                 param_escape(id), true);
 344         xmlhttp.onreadystatechange=filterlist_callback;
 345         xmlhttp.send(null);
 346
 347 }
 348
 349 function editFeed(feed) {
 350
 351 //      notify("Editing feed...");
 352
 353         if (!xmlhttp_ready(xmlhttp)) {
 354                 printLockingError();
 355                 return
 356         }
 357
 358         active_feed = feed;
 359
 360         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=edit&id=" +
 361                 param_escape(feed), true);
 362         xmlhttp.onreadystatechange=feedlist_callback;
 363         xmlhttp.send(null);
 364
 365 }
 366
 367 function getSelectedLabels() {
 368
 369         var content = document.getElementById("prefLabelList");
 370
 371         var sel_rows = new Array();
 372
 373         for (i = 0; i < content.rows.length; i++) {
 374                 if (content.rows[i].className.match("Selected")) {
 375                         var row_id = content.rows[i].id.replace("LILRR-", "");
 376                         sel_rows.push(row_id);
 377                 }
 378         }
 379
 380         return sel_rows;
 381 }
 382
 383 function getSelectedUsers() {
 384
 385         var content = document.getElementById("prefUserList");
 386
 387         var sel_rows = new Array();
 388
 389         for (i = 0; i < content.rows.length; i++) {
 390                 if (content.rows[i].className.match("Selected")) {
 391                         var row_id = content.rows[i].id.replace("UMRR-", "");
 392                         sel_rows.push(row_id);
 393                 }
 394         }
 395
 396         return sel_rows;
 397 }
 398
 399
 400 function getSelectedFilters() {
 401
 402         var content = document.getElementById("prefFilterList");
 403
 404         var sel_rows = new Array();
 405
 406         for (i = 0; i < content.rows.length; i++) {
 407                 if (content.rows[i].className.match("Selected")) {
 408                         var row_id = content.rows[i].id.replace("FILRR-", "");
 409                         sel_rows.push(row_id);
 410                 }
 411         }
 412
 413         return sel_rows;
 414 }
 415
 416 function getSelectedFeeds() {
 417
 418         var content = document.getElementById("prefFeedList");
 419
 420         var sel_rows = new Array();
 421
 422         for (i = 0; i < content.rows.length; i++) {
 423                 if (content.rows[i].className.match("Selected")) {
 424                         var row_id = content.rows[i].id.replace("FEEDR-", "");
 425                         sel_rows.push(row_id);
 426                 }
 427         }
 428
 429         return sel_rows;
 430 }
 431
 432 function readSelectedFeeds() {
 433
 434         if (!xmlhttp_ready(xmlhttp)) {
 435                 printLockingError();
 436                 return
 437         }
 438
 439         var sel_rows = getSelectedFeeds();
 440
 441         if (sel_rows.length > 0) {
 442
 443                 notify("Marking selected feeds as read...");
 444
 445                 xmlhttp.open("GET", "backend.php?op=pref-rpc&subop=unread&ids="+
 446                         param_escape(sel_rows.toString()), true);
 447                 xmlhttp.onreadystatechange=notify_callback;
 448                 xmlhttp.send(null);
 449
 450         } else {
 451
 452                 notify("Please select some feeds first.");
 453
 454         }
 455 }
 456
 457 function unreadSelectedFeeds() {
 458
 459         if (!xmlhttp_ready(xmlhttp)) {
 460                 printLockingError();
 461                 return
 462         }
 463
 464         var sel_rows = getSelectedFeeds();
 465
 466         if (sel_rows.length > 0) {
 467
 468                 notify("Marking selected feeds as unread...");
 469
 470                 xmlhttp.open("GET", "backend.php?op=pref-rpc&subop=unread&ids="+
 471                         param_escape(sel_rows.toString()), true);
 472                 xmlhttp.onreadystatechange=notify_callback;
 473                 xmlhttp.send(null);
 474
 475         } else {
 476
 477                 notify("Please select some feeds first.");
 478
 479         }
 480 }
 481
 482 function removeSelectedLabels() {
 483
 484         if (!xmlhttp_ready(xmlhttp)) {
 485                 printLockingError();
 486                 return
 487         }
 488
 489         var sel_rows = getSelectedLabels();
 490
 491         if (sel_rows.length > 0) {
 492
 493                 notify("Removing selected labels...");
 494
 495                 xmlhttp.open("GET", "backend.php?op=pref-labels&subop=remove&ids="+
 496                         param_escape(sel_rows.toString()), true);
 497                 xmlhttp.onreadystatechange=labellist_callback;
 498                 xmlhttp.send(null);
 499
 500         } else {
 501                 notify("Please select some labels first.");
 502         }
 503 }
 504
 505 function removeSelectedUsers() {
 506
 507         if (!xmlhttp_ready(xmlhttp)) {
 508                 printLockingError();
 509                 return
 510         }
 511
 512         var sel_rows = getSelectedUsers();
 513
 514         if (sel_rows.length > 0) {
 515
 516                 notify("Removing selected users...");
 517
 518                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=remove&ids="+
 519                         param_escape(sel_rows.toString()), true);
 520                 xmlhttp.onreadystatechange=userlist_callback;
 521                 xmlhttp.send(null);
 522
 523         } else {
 524                 notify("Please select some labels first.");
 525         }
 526 }
 527
 528 function removeSelectedFilters() {
 529
 530         if (!xmlhttp_ready(xmlhttp)) {
 531                 printLockingError();
 532                 return
 533         }
 534
 535         var sel_rows = getSelectedFilters();
 536
 537         if (sel_rows.length > 0) {
 538
 539                 notify("Removing selected filters...");
 540
 541                 xmlhttp.open("GET", "backend.php?op=pref-filters&subop=remove&ids="+
 542                         param_escape(sel_rows.toString()), true);
 543                 xmlhttp.onreadystatechange=filterlist_callback;
 544                 xmlhttp.send(null);
 545
 546         } else {
 547                 notify("Please select some filters first.");
 548         }
 549 }
 550
 551
 552 function removeSelectedFeeds() {
 553
 554         if (!xmlhttp_ready(xmlhttp)) {
 555                 printLockingError();
 556                 return
 557         }
 558
 559         var sel_rows = getSelectedFeeds();
 560
 561         if (sel_rows.length > 0) {
 562
 563                 notify("Removing selected feeds...");
 564
 565                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
 566                         param_escape(sel_rows.toString()), true);
 567                 xmlhttp.onreadystatechange=feedlist_callback;
 568                 xmlhttp.send(null);
 569
 570         } else {
 571
 572                 notify("Please select some feeds first.");
 573
 574         }
 575
 576 }
 577
 578 function feedEditCancel() {
 579
 580         if (!xmlhttp_ready(xmlhttp)) {
 581                 printLockingError();
 582                 return
 583         }
 584
 585         active_feed = false;
 586
 587         notify("Operation cancelled.");
 588
 589         xmlhttp.open("GET", "backend.php?op=pref-feeds", true);
 590         xmlhttp.onreadystatechange=feedlist_callback;
 591         xmlhttp.send(null);
 592
 593 }
 594
 595 function feedEditSave() {
 596
 597         var feed = active_feed;
 598
 599         if (!xmlhttp_ready(xmlhttp)) {
 600                 printLockingError();
 601                 return
 602         }
 603
 604         var link = document.getElementById("iedit_link").value;
 605         var title = document.getElementById("iedit_title").value;
 606         var upd_intl = document.getElementById("iedit_updintl").value;
 607         var purge_intl = document.getElementById("iedit_purgintl").value;
 608
 609 //      notify("Saving feed.");
 610
 611 /*      if (upd_intl < 0) {
 612                 notify("Update interval must be &gt;= 0 (0 = default)");
 613                 return;
 614         }
 615
 616         if (purge_intl < 0) {
 617                 notify("Purge days must be &gt;= 0 (0 = default)");
 618                 return;
 619         } */
 620
 621         if (link.length == 0) {
 622                 notify("Feed link cannot be blank.");
 623                 return;
 624         }
 625
 626         if (title.length == 0) {
 627                 notify("Feed title cannot be blank.");
 628                 return;
 629         }
 630
 631         active_feed = false;
 632
 633         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editSave&id=" +
 634                 feed + "&l=" + param_escape(link) + "&t=" + param_escape(title) +
 635                 "&ui=" + param_escape(upd_intl) + "&pi=" + param_escape(purge_intl), true);
 636         xmlhttp.onreadystatechange=feedlist_callback;
 637         xmlhttp.send(null);
 638
 639 }
 640
 641 function labelEditCancel() {
 642
 643         if (!xmlhttp_ready(xmlhttp)) {
 644                 printLockingError();
 645                 return
 646         }
 647
 648         active_label = false;
 649
 650         notify("Operation cancelled.");
 651
 652         xmlhttp.open("GET", "backend.php?op=pref-labels", true);
 653         xmlhttp.onreadystatechange=labellist_callback;
 654         xmlhttp.send(null);
 655
 656 }
 657
 658 function userEditCancel() {
 659
 660         if (!xmlhttp_ready(xmlhttp)) {
 661                 printLockingError();
 662                 return
 663         }
 664
 665         active_user = false;
 666
 667         notify("Operation cancelled.");
 668
 669         xmlhttp.open("GET", "backend.php?op=pref-users", true);
 670         xmlhttp.onreadystatechange=userlist_callback;
 671         xmlhttp.send(null);
 672
 673 }
 674
 675 function filterEditCancel() {
 676
 677         if (!xmlhttp_ready(xmlhttp)) {
 678                 printLockingError();
 679                 return
 680         }
 681
 682         active_filter = false;
 683
 684         notify("Operation cancelled.");
 685
 686         xmlhttp.open("GET", "backend.php?op=pref-filters", true);
 687         xmlhttp.onreadystatechange=filterlist_callback;
 688         xmlhttp.send(null);
 689
 690 }
 691
 692 function labelEditSave() {
 693
 694         var label = active_label;
 695
 696         if (!xmlhttp_ready(xmlhttp)) {
 697                 printLockingError();
 698                 return
 699         }
 700
 701         var sqlexp = document.getElementById("iedit_expr").value;
 702         var descr = document.getElementById("iedit_descr").value;
 703
 704 //      notify("Saving label " + sqlexp + ": " + descr);
 705
 706         if (sqlexp.length == 0) {
 707                 notify("SQL expression cannot be blank.");
 708                 return;
 709         }
 710
 711         if (descr.length == 0) {
 712                 notify("Caption cannot be blank.");
 713                 return;
 714         }
 715
 716         active_label = false;
 717
 718         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=editSave&id=" +
 719                 label + "&s=" + param_escape(sqlexp) + "&d=" + param_escape(descr),
 720                 true);
 721
 722         xmlhttp.onreadystatechange=labellist_callback;
 723         xmlhttp.send(null);
 724
 725 }
 726
 727 function userEditSave() {
 728
 729         var user = active_user;
 730
 731         if (!xmlhttp_ready(xmlhttp)) {
 732                 printLockingError();
 733                 return
 734         }
 735
 736         var login = document.getElementById("iedit_ulogin").value;
 737         var level = document.getElementById("iedit_ulevel").value;
 738
 739         if (login.length == 0) {
 740                 notify("Login cannot be blank.");
 741                 return;
 742         }
 743
 744         if (level.length == 0) {
 745                 notify("User level cannot be blank.");
 746                 return;
 747         }
 748
 749         active_user = false;
 750
 751         xmlhttp.open("GET", "backend.php?op=pref-users&subop=editSave&id=" +
 752                 user + "&l=" + param_escape(login) + "&al=" + param_escape(level),
 753                 true);
 754
 755         xmlhttp.onreadystatechange=labellist_callback;
 756         xmlhttp.send(null);
 757
 758 }
 759
 760
 761 function filterEditSave() {
 762
 763         var filter = active_filter;
 764
 765         if (!xmlhttp_ready(xmlhttp)) {
 766                 printLockingError();
 767                 return
 768         }
 769
 770         var regexp = document.getElementById("iedit_regexp").value;
 771         var descr = document.getElementById("iedit_descr").value;
 772         var match = document.getElementById("iedit_match");
 773
 774         var v_match = match[match.selectedIndex].text;
 775
 776 //      notify("Saving filter " + filter + ": " + regexp + ", " + descr + ", " + match);
 777
 778         if (regexp.length == 0) {
 779                 notify("Filter expression cannot be blank.");
 780                 return;
 781         }
 782
 783         active_filter = false;
 784
 785         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=editSave&id=" +
 786                 filter + "&r=" + param_escape(regexp) + "&d=" + param_escape(descr) +
 787                 "&m=" + param_escape(v_match), true);
 788
 789         xmlhttp.onreadystatechange=filterlist_callback;
 790         xmlhttp.send(null);
 791
 792 }
 793
 794 function editSelectedLabel() {
 795         var rows = getSelectedLabels();
 796
 797         if (rows.length == 0) {
 798                 notify("No labels are selected.");
 799                 return;
 800         }
 801
 802         if (rows.length > 1) {
 803                 notify("Please select one label.");
 804                 return;
 805         }
 806
 807         editLabel(rows[0]);
 808
 809 }
 810
 811 function editSelectedUser() {
 812         var rows = getSelectedUsers();
 813
 814         if (rows.length == 0) {
 815                 notify("No users are selected.");
 816                 return;
 817         }
 818
 819         if (rows.length > 1) {
 820                 notify("Please select one user.");
 821                 return;
 822         }
 823
 824         editUser(rows[0]);
 825 }
 826
 827 function resetSelectedUserPass() {
 828         var rows = getSelectedUsers();
 829
 830         if (rows.length == 0) {
 831                 notify("No users are selected.");
 832                 return;
 833         }
 834
 835         if (rows.length > 1) {
 836                 notify("Please select one user.");
 837                 return;
 838         }
 839
 840         notify("Resetting password for selected user...");
 841
 842         var id = rows[0];
 843
 844         xmlhttp.open("GET", "backend.php?op=pref-users&subop=resetPass&id=" +
 845                 param_escape(id), true);
 846         xmlhttp.onreadystatechange=userlist_callback;
 847         xmlhttp.send(null);
 848
 849 }
 850
 851
 852
 853 function editSelectedFilter() {
 854         var rows = getSelectedFilters();
 855
 856         if (rows.length == 0) {
 857                 notify("No filters are selected.");
 858                 return;
 859         }
 860
 861         if (rows.length > 1) {
 862                 notify("Please select one filter.");
 863                 return;
 864         }
 865
 866         editFilter(rows[0]);
 867
 868 }
 869
 870
 871 function editSelectedFeed() {
 872         var rows = getSelectedFeeds();
 873
 874         if (rows.length == 0) {
 875                 notify("No feeds are selected.");
 876                 return;
 877         }
 878
 879         if (rows.length > 1) {
 880                 notify("Please select one feed.");
 881                 return;
 882         }
 883
 884         editFeed(rows[0]);
 885
 886 }
 887
 888 function localPiggieFunction(enable) {
 889         if (enable) {
 890                 piggie.style.display = "block";
 891                 seq = "";
 892                 notify("I loveded it!!!");
 893         } else {
 894                 piggie.style.display = "none";
 895                 notify("");
 896         }
 897 }
 898
 899 function validateOpmlImport() {
 900
 901         var opml_file = document.getElementById("opml_file");
 902
 903         if (opml_file.value.length == 0) {
 904                 notify("Please select OPML file to upload.");
 905                 return false;
 906         } else {
 907                 return true;
 908         }
 909 }
 910
 911 function updateFilterList() {
 912
 913         if (!xmlhttp_ready(xmlhttp)) {
 914                 printLockingError();
 915                 return
 916         }
 917
 918 //      document.getElementById("prefContent").innerHTML = "Loading filters, please wait...";
 919
 920         p_notify("Loading, please wait...");
 921
 922         xmlhttp.open("GET", "backend.php?op=pref-filters", true);
 923         xmlhttp.onreadystatechange=filterlist_callback;
 924         xmlhttp.send(null);
 925
 926 }
 927
 928 function updateLabelList() {
 929
 930         if (!xmlhttp_ready(xmlhttp)) {
 931                 printLockingError();
 932                 return
 933         }
 934
 935         p_notify("Loading, please wait...");
 936
 937 //      document.getElementById("prefContent").innerHTML = "Loading labels, please wait...";
 938
 939         xmlhttp.open("GET", "backend.php?op=pref-labels", true);
 940         xmlhttp.onreadystatechange=labellist_callback;
 941         xmlhttp.send(null);
 942 }
 943
 944 function updatePrefsList() {
 945
 946         if (!xmlhttp_ready(xmlhttp)) {
 947                 printLockingError();
 948                 return
 949         }
 950
 951         p_notify("Loading, please wait...");
 952
 953         xmlhttp.open("GET", "backend.php?op=pref-prefs", true);
 954         xmlhttp.onreadystatechange=prefslist_callback;
 955         xmlhttp.send(null);
 956
 957 }
 958
 959 function selectTab(id) {
 960
 961         if (id == "feedConfig") {
 962                 updateFeedList();
 963         } else if (id == "filterConfig") {
 964                 updateFilterList();
 965         } else if (id == "labelConfig") {
 966                 updateLabelList();
 967         } else if (id == "genConfig") {
 968                 updatePrefsList();
 969         } else if (id == "userConfig") {
 970                 updateUsersList();
 971         }
 972
 973         var tab = document.getElementById(active_tab + "Tab");
 974
 975         if (tab) {
 976                 if (tab.className.match("Selected")) {
 977                         tab.className = "prefsTab";
 978                 }
 979         }
 980
 981         tab = document.getElementById(id + "Tab");
 982
 983         if (tab) {
 984                 if (!tab.className.match("Selected")) {
 985                         tab.className = tab.className + "Selected";
 986                 }
 987         }
 988
 989         active_tab = id;
 990
 991 }
 992
 993 function init() {
 994
 995         // IE kludge
 996
 997         if (!xmlhttp) {
 998                 document.getElementById("prefContent").innerHTML =
 999                         "<b>Fatal error:</b> This program needs XmlHttpRequest " +
1000                         "to function properly. Your browser doesn't seem to support it.";
1001                 return;
1002         }
1003
1004         selectTab("genConfig");
1005
1006         document.onkeydown = hotkey_handler;
1007         notify("");
1008
1009 }
1010
1011 /*
1012 var help_topic_id = false;
1013
1014 function do_dispOptionHelp() {
1015
1016         if (!xmlhttp_ready(xmlhttp))
1017                 return;
1018
1019         xmlhttp.open("GET", "backend.php?op=pref-prefs&subop=getHelp&pn=" +
1020                 param_escape(help_topic_id), true);
1021         xmlhttp.onreadystatechange=gethelp_callback;
1022         xmlhttp.send(null);
1023
1024 }
1025
1026 function dispOptionHelp(event, sender) {
1027
1028         help_topic_id = sender.id;
1029
1030 //      document.setTimeout("do_dispOptionHelp()", 100);
1031
1032 } */
1033
1034