prefs.js

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