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