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 function expand_feed_callback() {
  16         if (xmlhttp.readyState == 4) {
  17                 try {
  18                         var container = document.getElementById("BRDET-" + feed_to_expand);
  19                         container.innerHTML=xmlhttp.responseText;
  20                         container.style.display = "block";
  21 //                      p_notify("");
  22                 } catch (e) {
  23                         exception_error("expand_feed_callback", e);
  24                 }
  25         }
  26 }
  27
  28 function feedlist_callback() {
  29         if (xmlhttp.readyState == 4) {
  30                 try {
  31                         var container = document.getElementById('prefContent');
  32                         container.innerHTML=xmlhttp.responseText;
  33                         selectTab("feedConfig", true);
  34                         notify("");
  35                 } catch (e) {
  36                         exception_error("feedlist_callback", e);
  37                 }
  38         }
  39 }
  40
  41 function filterlist_callback() {
  42         var container = document.getElementById('prefContent');
  43         if (xmlhttp.readyState == 4) {
  44                 container.innerHTML=xmlhttp.responseText;
  45                 notify("");
  46         }
  47 }
  48
  49 function labellist_callback() {
  50         var container = document.getElementById('prefContent');
  51         if (xmlhttp.readyState == 4) {
  52                 closeInfoBox();
  53                 container.innerHTML=xmlhttp.responseText;
  54                 if (active_label) {
  55                         var row = document.getElementById("LILRR-" + active_label);
  56                         if (row) {
  57                                 if (!row.className.match("Selected")) {
  58                                         row.className = row.className + "Selected";
  59                                 }
  60                         }
  61                         var checkbox = document.getElementById("LICHK-" + active_label);
  62
  63                         if (checkbox) {
  64                                 checkbox.checked = true;
  65                         }
  66                 }
  67                 notify("");
  68         }
  69 }
  70
  71 function labeltest_callback() {
  72         var container = document.getElementById('label_test_result');
  73         if (xmlhttp.readyState == 4) {
  74                 container.innerHTML=xmlhttp.responseText;
  75                 notify("");
  76         }
  77 }
  78
  79 function feed_browser_callback() {
  80         var container = document.getElementById('prefContent');
  81         if (xmlhttp.readyState == 4) {
  82                 container.innerHTML=xmlhttp.responseText;
  83                 notify("");
  84         }
  85 }
  86
  87 function userlist_callback() {
  88         var container = document.getElementById('prefContent');
  89         if (xmlhttp.readyState == 4) {
  90                 container.innerHTML=xmlhttp.responseText;
  91                 notify("");
  92         }
  93 }
  94
  95 function prefslist_callback() {
  96         var container = document.getElementById('prefContent');
  97         if (xmlhttp.readyState == 4) {
  98
  99                 container.innerHTML=xmlhttp.responseText;
 100
 101                 notify("");
 102         }
 103 }
 104
 105 function gethelp_callback() {
 106         var container = document.getElementById('prefHelpBox');
 107         if (xmlhttp.readyState == 4) {
 108
 109                 container.innerHTML = xmlhttp.responseText;
 110                 container.style.display = "block";
 111
 112         }
 113 }
 114
 115
 116 function notify_callback() {
 117         var container = document.getElementById('notify');
 118         if (xmlhttp.readyState == 4) {
 119                 container.innerHTML=xmlhttp.responseText;
 120         }
 121 }
 122
 123 function updateFeedList(sort_key) {
 124
 125         if (!xmlhttp_ready(xmlhttp)) {
 126                 printLockingError();
 127                 return
 128         }
 129
 130 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 131
 132 //      p_notify("Loading, please wait...");
 133
 134         var feed_search = document.getElementById("feed_search");
 135         var search = "";
 136         if (feed_search) { search = feed_search.value; }
 137
 138         xmlhttp.open("GET", "backend.php?op=pref-feeds" +
 139                 "&sort=" + param_escape(sort_key) +
 140                 "&search=" + param_escape(search), true);
 141         xmlhttp.onreadystatechange=feedlist_callback;
 142         xmlhttp.send(null);
 143
 144 }
 145
 146 function updateUsersList(sort_key) {
 147
 148         if (!xmlhttp_ready(xmlhttp)) {
 149                 printLockingError();
 150                 return
 151         }
 152
 153 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 154
 155 //      p_notify("Loading, please wait...");
 156
 157         xmlhttp.open("GET", "backend.php?op=pref-users&sort="
 158                 + param_escape(sort_key), true);
 159         xmlhttp.onreadystatechange=userlist_callback;
 160         xmlhttp.send(null);
 161
 162 }
 163
 164 function addLabel() {
 165
 166         if (!xmlhttp_ready(xmlhttp)) {
 167                 printLockingError();
 168                 return
 169         }
 170
 171         var form = document.forms['label_edit_form'];
 172
 173         var sql_exp = form.sql_exp.value;
 174         var description = form.description.value;
 175
 176         if (sql_exp == "") {
 177                 alert("Can't create label: missing SQL expression.");
 178                 return false;
 179         }
 180
 181         if (description == "") {
 182                 alert("Can't create label: missing caption.");
 183                 return false;
 184         }
 185
 186         var query = Form.serialize("label_edit_form");
 187
 188         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=add&" + query, true);
 189         xmlhttp.onreadystatechange=infobox_submit_callback;
 190         xmlhttp.send(null);
 191 }
 192
 193 function addFeed() {
 194
 195         if (!xmlhttp_ready(xmlhttp)) {
 196                 printLockingError();
 197                 return
 198         }
 199
 200         var link = document.getElementById("fadd_link");
 201
 202         if (link.value.length == 0) {
 203                 alert("Error: No feed URL given.");
 204         } else if (!isValidURL(link.value)) {
 205                 alert("Error: Invalid feed URL.");
 206         } else {
 207                 notify("Adding feed...");
 208
 209                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&feed_url=" +
 210                         param_escape(link.value), true);
 211                 xmlhttp.onreadystatechange=feedlist_callback;
 212                 xmlhttp.send(null);
 213
 214                 link.value = "";
 215
 216         }
 217
 218 }
 219
 220 function addFeedCat() {
 221
 222         if (!xmlhttp_ready(xmlhttp)) {
 223                 printLockingError();
 224                 return
 225         }
 226
 227         var cat = document.getElementById("fadd_cat");
 228
 229         if (cat.value.length == 0) {
 230                 alert("Can't add category: no name specified.");
 231         } else {
 232                 notify("Adding feed category...");
 233
 234                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=add&cat=" +
 235                         param_escape(cat.value), true);
 236                 xmlhttp.onreadystatechange=infobox_callback;
 237                 xmlhttp.send(null);
 238
 239                 link.value = "";
 240
 241         }
 242
 243 }
 244 function addUser() {
 245
 246         if (!xmlhttp_ready(xmlhttp)) {
 247                 printLockingError();
 248                 return
 249         }
 250
 251         var sqlexp = document.getElementById("uadd_box");
 252
 253         if (sqlexp.value.length == 0) {
 254                 alert("Can't add user: no login specified.");
 255         } else {
 256                 notify("Adding user...");
 257
 258                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=add&login=" +
 259                         param_escape(sqlexp.value), true);
 260
 261                 xmlhttp.onreadystatechange=userlist_callback;
 262                 xmlhttp.send(null);
 263
 264                 sqlexp.value = "";
 265         }
 266
 267 }
 268
 269 function editLabel(id) {
 270
 271         if (!xmlhttp_ready(xmlhttp)) {
 272                 printLockingError();
 273                 return
 274         }
 275
 276         document.getElementById("label_create_btn").disabled = true;
 277
 278         active_label = id;
 279
 280         selectTableRowsByIdPrefix('prefLabelList', 'LILRR-', 'LICHK-', false);
 281         selectTableRowById('LILRR-'+id, 'LICHK-'+id, true);
 282
 283         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=edit&id=" +
 284                 param_escape(id), true);
 285         xmlhttp.onreadystatechange=infobox_callback;
 286         xmlhttp.send(null);
 287
 288 }
 289
 290 function editUser(id) {
 291
 292         if (!xmlhttp_ready(xmlhttp)) {
 293                 printLockingError();
 294                 return
 295         }
 296
 297         selectTableRowsByIdPrefix('prefUserList', 'UMRR-', 'UMCHK-', false);
 298         selectTableRowById('UMRR-'+id, 'UMCHK-'+id, true);
 299
 300         xmlhttp.open("GET", "backend.php?op=pref-users&subop=edit&id=" +
 301                 param_escape(id), true);
 302         xmlhttp.onreadystatechange=infobox_callback;
 303         xmlhttp.send(null);
 304
 305 }
 306
 307 function editFilter(id) {
 308
 309         if (!xmlhttp_ready(xmlhttp)) {
 310                 printLockingError();
 311                 return
 312         }
 313
 314         document.getElementById("create_filter_btn").disabled = true;
 315
 316         selectTableRowsByIdPrefix('prefFilterList', 'FILRR-', 'FICHK-', false);
 317         selectTableRowById('FILRR-'+id, 'FICHK-'+id, true);
 318
 319         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=edit&id=" + param_escape(id), true);
 320         xmlhttp.onreadystatechange=infobox_callback;
 321         xmlhttp.send(null);
 322 }
 323
 324 function editFeed(feed) {
 325
 326 //      notify("Editing feed...");
 327
 328         if (!xmlhttp_ready(xmlhttp)) {
 329                 printLockingError();
 330                 return
 331         }
 332
 333         // clean selection from all rows & select row being edited
 334         selectTableRowsByIdPrefix('prefFeedList', 'FEEDR-', 'FRCHK-', false);
 335         selectTableRowById('FEEDR-'+feed, 'FRCHK-'+feed, true);
 336
 337         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 338                 param_escape(feed), true);
 339
 340         xmlhttp.onreadystatechange=infobox_callback;
 341         xmlhttp.send(null);
 342
 343 }
 344
 345 function editFeedCat(cat) {
 346
 347         if (!xmlhttp_ready(xmlhttp)) {
 348                 printLockingError();
 349                 return
 350         }
 351
 352         active_feed_cat = cat;
 353
 354         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=edit&id=" +
 355                 param_escape(cat), true);
 356         xmlhttp.onreadystatechange=infobox_callback;
 357         xmlhttp.send(null);
 358
 359 }
 360
 361 function getSelectedLabels() {
 362         return getSelectedTableRowIds("prefLabelList", "LILRR");
 363 }
 364
 365 function getSelectedUsers() {
 366         return getSelectedTableRowIds("prefUserList", "UMRR");
 367 }
 368
 369 function getSelectedFeeds() {
 370         return getSelectedTableRowIds("prefFeedList", "FEEDR");
 371 }
 372
 373 function getSelectedFilters() {
 374         return getSelectedTableRowIds("prefFilterList", "FILRR");
 375 }
 376
 377 function getSelectedFeedCats() {
 378         return getSelectedTableRowIds("prefFeedCatList", "FCATR");
 379 }
 380
 381 function getSelectedFeedsFromBrowser() {
 382
 383         var list = document.getElementById("browseFeedList");
 384         if (!list) list = document.getElementById("browseBigFeedList");
 385
 386         var selected = new Array();
 387
 388         for (i = 0; i < list.childNodes.length; i++) {
 389                 var child = list.childNodes[i];
 390                 if (child.id && child.id.match("FBROW-")) {
 391                         var id = child.id.replace("FBROW-", "");
 392
 393                         var cb = document.getElementById("FBCHK-" + id);
 394
 395                         if (cb.checked) {
 396                                 selected.push(id);
 397                         }
 398                 }
 399         }
 400
 401         return selected;
 402 }
 403
 404 function removeSelectedLabels() {
 405
 406         if (!xmlhttp_ready(xmlhttp)) {
 407                 printLockingError();
 408                 return
 409         }
 410
 411         var sel_rows = getSelectedLabels();
 412
 413         if (sel_rows.length > 0) {
 414
 415                 var ok = confirm("Remove selected labels?");
 416
 417                 if (ok) {
 418                         notify("Removing selected labels...");
 419
 420                         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=remove&ids="+
 421                                 param_escape(sel_rows.toString()), true);
 422                         xmlhttp.onreadystatechange=labellist_callback;
 423                         xmlhttp.send(null);
 424                 }
 425         } else {
 426                 alert("No labels are selected.");
 427         }
 428
 429         return false;
 430 }
 431
 432 function removeSelectedUsers() {
 433
 434         if (!xmlhttp_ready(xmlhttp)) {
 435                 printLockingError();
 436                 return
 437         }
 438
 439         var sel_rows = getSelectedUsers();
 440
 441         if (sel_rows.length > 0) {
 442
 443                 var ok = confirm("Remove selected users?");
 444
 445                 if (ok) {
 446                         notify("Removing selected users...");
 447
 448                         xmlhttp.open("GET", "backend.php?op=pref-users&subop=remove&ids="+
 449                                 param_escape(sel_rows.toString()), true);
 450                         xmlhttp.onreadystatechange=userlist_callback;
 451                         xmlhttp.send(null);
 452                 }
 453
 454         } else {
 455                 alert("No users are selected.");
 456         }
 457
 458         return false;
 459 }
 460
 461 function removeSelectedFilters() {
 462
 463         if (!xmlhttp_ready(xmlhttp)) {
 464                 printLockingError();
 465                 return
 466         }
 467
 468         var sel_rows = getSelectedFilters();
 469
 470         if (sel_rows.length > 0) {
 471
 472                 var ok = confirm("Remove selected filters?");
 473
 474                 if (ok) {
 475                         notify("Removing selected filters...");
 476
 477                         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=remove&ids="+
 478                                 param_escape(sel_rows.toString()), true);
 479                         xmlhttp.onreadystatechange=filterlist_callback;
 480                         xmlhttp.send(null);
 481                 }
 482         } else {
 483                 alert("No filters are selected.");
 484         }
 485
 486         return false;
 487 }
 488
 489
 490 function removeSelectedFeeds() {
 491
 492         if (!xmlhttp_ready(xmlhttp)) {
 493                 printLockingError();
 494                 return
 495         }
 496
 497         var sel_rows = getSelectedFeeds();
 498
 499         if (sel_rows.length > 0) {
 500
 501                 var ok = confirm("Unsubscribe from selected feeds?");
 502
 503                 if (ok) {
 504
 505                         notify("Unsubscribing from selected feeds...");
 506
 507                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
 508                                 param_escape(sel_rows.toString()), true);
 509                         xmlhttp.onreadystatechange=feedlist_callback;
 510                         xmlhttp.send(null);
 511                 }
 512
 513         } else {
 514
 515                 alert("No feeds are selected.");
 516
 517         }
 518
 519         return false;
 520 }
 521
 522 function removeSelectedFeedCats() {
 523
 524         if (!xmlhttp_ready(xmlhttp)) {
 525                 printLockingError();
 526                 return
 527         }
 528
 529         var sel_rows = getSelectedFeedCats();
 530
 531         if (sel_rows.length > 0) {
 532
 533                 var ok = confirm("Remove selected categories?");
 534
 535                 if (ok) {
 536                         notify("Removing selected categories...");
 537
 538                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=remove&ids="+
 539                                 param_escape(sel_rows.toString()), true);
 540                         xmlhttp.onreadystatechange=infobox_callback;
 541                         xmlhttp.send(null);
 542                 }
 543
 544         } else {
 545
 546                 alert("No categories are selected.");
 547
 548         }
 549
 550         return false;
 551 }
 552
 553 function feedEditCancel() {
 554
 555         if (!xmlhttp_ready(xmlhttp)) {
 556                 printLockingError();
 557                 return
 558         }
 559
 560         closeInfoBox();
 561
 562         selectPrefRows('feed', false); // cleanup feed selection
 563
 564         return false;
 565 }
 566
 567 function feedCatEditCancel() {
 568
 569         if (!xmlhttp_ready(xmlhttp)) {
 570                 printLockingError();
 571                 return
 572         }
 573
 574         active_feed_cat = false;
 575
 576 //      notify("Operation cancelled.");
 577
 578         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
 579         xmlhttp.onreadystatechange=infobox_callback;
 580         xmlhttp.send(null);
 581
 582         return false;
 583 }
 584
 585 function feedEditSave() {
 586
 587         try {
 588
 589                 if (!xmlhttp_ready(xmlhttp)) {
 590                         printLockingError();
 591                         return
 592                 }
 593
 594                 // FIXME: add parameter validation
 595
 596                 var query = Form.serialize("edit_feed_form");
 597
 598                 notify("Saving feed...");
 599
 600                 xmlhttp.open("POST", "backend.php", true);
 601                 xmlhttp.onreadystatechange=feedlist_callback;
 602                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 603                 xmlhttp.send(query);
 604
 605                 closeInfoBox();
 606
 607                 return false;
 608
 609         } catch (e) {
 610                 exception_error("feedEditSave", e);
 611         }
 612 }
 613
 614 function feedCatEditSave() {
 615
 616         if (!xmlhttp_ready(xmlhttp)) {
 617                 printLockingError();
 618                 return
 619         }
 620
 621         notify("Saving category...");
 622
 623         var query = Form.serialize("feed_cat_edit_form");
 624
 625         xmlhttp.open("GET", "backend.php?" + query, true);
 626         xmlhttp.onreadystatechange=infobox_callback;
 627         xmlhttp.send(null);
 628
 629         active_feed_cat = false;
 630
 631         return false;
 632 }
 633
 634
 635 function labelTest() {
 636
 637         var container = document.getElementById('label_test_result');
 638         container.style.display = "block";
 639         container.innerHTML = "<p>Loading, please wait...</p>";
 640
 641         var form = document.forms['label_edit_form'];
 642
 643         var sql_exp = form.sql_exp.value;
 644         var description = form.description.value;
 645
 646         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=test&expr=" +
 647                 param_escape(sql_exp) + "&descr=" + param_escape(description), true);
 648
 649         xmlhttp.onreadystatechange=labeltest_callback;
 650         xmlhttp.send(null);
 651
 652         return false;
 653 }
 654
 655 function displayHelpInfobox(topic_id) {
 656
 657         xmlhttp.open("GET", "backend.php?op=help&tid=" +
 658                 param_escape(topic_id) + "&noheaders=1", true);
 659
 660         xmlhttp.onreadystatechange=infobox_callback;
 661         xmlhttp.send(null);
 662
 663 }
 664
 665 function labelEditCancel() {
 666
 667         if (!xmlhttp_ready(xmlhttp)) {
 668                 printLockingError();
 669                 return
 670         }
 671
 672         document.getElementById("label_create_btn").disabled = false;
 673
 674         active_label = false;
 675
 676         selectPrefRows('label', false); // cleanup feed selection
 677         closeInfoBox();
 678
 679         return false;
 680 }
 681
 682 function userEditCancel() {
 683
 684         if (!xmlhttp_ready(xmlhttp)) {
 685                 printLockingError();
 686                 return
 687         }
 688
 689         selectPrefRows('user', false); // cleanup feed selection
 690         closeInfoBox();
 691
 692         return false;
 693 }
 694
 695 function filterEditCancel() {
 696
 697         if (!xmlhttp_ready(xmlhttp)) {
 698                 printLockingError();
 699                 return
 700         }
 701
 702         document.getElementById("create_filter_btn").disabled = false;
 703
 704         selectPrefRows('filter', false); // cleanup feed selection
 705         closeInfoBox();
 706
 707         return false;
 708 }
 709
 710 function labelEditSave() {
 711
 712         var label = active_label;
 713
 714         if (!xmlhttp_ready(xmlhttp)) {
 715                 printLockingError();
 716                 return
 717         }
 718
 719 /*      if (!is_opera()) {
 720
 721                 var sql_exp = document.forms["label_edit_form"].sql_exp.value;
 722                 var description = document.forms["label_edit_form"].description.value;
 723
 724                 if (sql_exp.length == 0) {
 725                         alert("SQL Expression cannot be blank.");
 726                         return false;
 727                 }
 728
 729                 if (description.length == 0) {
 730                         alert("Caption field cannot be blank.");
 731                         return false;
 732                 }
 733         } */
 734
 735         closeInfoBox();
 736
 737         notify("Saving label...");
 738
 739         active_label = false;
 740
 741         query = Form.serialize("label_edit_form");
 742
 743         xmlhttp.open("GET", "backend.php?" + query, true);
 744         xmlhttp.onreadystatechange=labellist_callback;
 745         xmlhttp.send(null);
 746
 747         return false;
 748 }
 749
 750 function userEditSave() {
 751
 752         if (!xmlhttp_ready(xmlhttp)) {
 753                 printLockingError();
 754                 return
 755         }
 756
 757         var login = document.forms["user_edit_form"].login.value;
 758
 759         if (login.length == 0) {
 760                 alert("Login field cannot be blank.");
 761                 return;
 762         }
 763
 764         notify("Saving user...");
 765
 766         closeInfoBox();
 767
 768         var query = Form.serialize("user_edit_form");
 769
 770         xmlhttp.open("GET", "backend.php?" + query, true);
 771         xmlhttp.onreadystatechange=userlist_callback;
 772         xmlhttp.send(null);
 773
 774         return false;
 775 }
 776
 777
 778 function filterEditSave() {
 779
 780         if (!xmlhttp_ready(xmlhttp)) {
 781                 printLockingError();
 782                 return
 783         }
 784
 785 /*      if (!is_opera()) {
 786                 var reg_exp = document.forms["filter_edit_form"].reg_exp.value;
 787
 788                 if (reg_exp.length == 0) {
 789                         alert("Filter expression field cannot be blank.");
 790                         return;
 791                 }
 792         } */
 793
 794         notify("Saving filter...");
 795
 796         var query = Form.serialize("filter_edit_form");
 797
 798         closeInfoBox();
 799
 800         document.getElementById("create_filter_btn").disabled = false;
 801
 802         xmlhttp.open("GET", "backend.php?" + query, true);
 803         xmlhttp.onreadystatechange=filterlist_callback;
 804         xmlhttp.send(null);
 805
 806         return false;
 807 }
 808
 809 function editSelectedLabel() {
 810         var rows = getSelectedLabels();
 811
 812         if (rows.length == 0) {
 813                 alert("No labels are selected.");
 814                 return;
 815         }
 816
 817         if (rows.length > 1) {
 818                 alert("Please select only one label.");
 819                 return;
 820         }
 821
 822         notify("");
 823
 824         editLabel(rows[0]);
 825
 826 }
 827
 828 function editSelectedUser() {
 829         var rows = getSelectedUsers();
 830
 831         if (rows.length == 0) {
 832                 alert("No users are selected.");
 833                 return;
 834         }
 835
 836         if (rows.length > 1) {
 837                 alert("Please select only one user.");
 838                 return;
 839         }
 840
 841         notify("");
 842
 843         editUser(rows[0]);
 844 }
 845
 846 function resetSelectedUserPass() {
 847         var rows = getSelectedUsers();
 848
 849         if (rows.length == 0) {
 850                 alert("No users are selected.");
 851                 return;
 852         }
 853
 854         if (rows.length > 1) {
 855                 alert("Please select only one user.");
 856                 return;
 857         }
 858
 859         var ok = confirm("Reset password of selected user?");
 860
 861         if (ok) {
 862                 notify("Resetting password for selected user...");
 863
 864                 var id = rows[0];
 865
 866                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=resetPass&id=" +
 867                         param_escape(id), true);
 868                 xmlhttp.onreadystatechange=userlist_callback;
 869                 xmlhttp.send(null);
 870         }
 871 }
 872
 873 function selectedUserDetails() {
 874
 875         if (!xmlhttp_ready(xmlhttp)) {
 876                 printLockingError();
 877                 return
 878         }
 879
 880         var rows = getSelectedUsers();
 881
 882         if (rows.length == 0) {
 883                 alert("No users are selected.");
 884                 return;
 885         }
 886
 887         if (rows.length > 1) {
 888                 alert("Please select only one user.");
 889                 return;
 890         }
 891
 892         var id = rows[0];
 893
 894         notify("");
 895
 896         xmlhttp.open("GET", "backend.php?op=user-details&id=" + id, true);
 897         xmlhttp.onreadystatechange=infobox_callback;
 898         xmlhttp.send(null);
 899
 900 }
 901
 902 function selectedFeedDetails() {
 903
 904         if (!xmlhttp_ready(xmlhttp)) {
 905                 printLockingError();
 906                 return
 907         }
 908
 909         var rows = getSelectedFeeds();
 910
 911         if (rows.length == 0) {
 912                 alert("No feeds are selected.");
 913                 return;
 914         }
 915
 916         if (rows.length > 1) {
 917                 notify("Please select only one feed.");
 918                 return;
 919         }
 920
 921 //      var id = rows[0];
 922
 923         notify("");
 924
 925         xmlhttp.open("GET", "backend.php?op=feed-details&id=" +
 926                 param_escape(rows.toString()), true);
 927         xmlhttp.onreadystatechange=infobox_callback;
 928         xmlhttp.send(null);
 929
 930 }
 931
 932 function editSelectedFilter() {
 933         var rows = getSelectedFilters();
 934
 935         if (rows.length == 0) {
 936                 alert("No filters are selected.");
 937                 return;
 938         }
 939
 940         if (rows.length > 1) {
 941                 alert("Please select only one filter.");
 942                 return;
 943         }
 944
 945         notify("");
 946
 947         editFilter(rows[0]);
 948
 949 }
 950
 951
 952 function editSelectedFeed() {
 953         var rows = getSelectedFeeds();
 954
 955         if (rows.length == 0) {
 956                 notify("No feeds are selected.");
 957                 return;
 958         }
 959
 960         if (rows.length > 1) {
 961                 notify("Please select one feed.");
 962                 return;
 963         }
 964
 965         notify("");
 966
 967         editFeed(rows[0]);
 968
 969 }
 970
 971 function editSelectedFeedCat() {
 972         var rows = getSelectedFeedCats();
 973
 974         if (rows.length == 0) {
 975                 alert("No categories are selected.");
 976                 return;
 977         }
 978
 979         if (rows.length > 1) {
 980                 alert("Please select only one category.");
 981                 return;
 982         }
 983
 984         notify("");
 985
 986         editFeedCat(rows[0]);
 987
 988 }
 989
 990 function piggie_callback() {
 991         var piggie = document.getElementById("piggie");
 992
 993         piggie.style.top = piggie_top;
 994         piggie.style.backgroundColor = "white";
 995         piggie.style.borderWidth = "1px";
 996
 997         if (piggie_fwd && piggie_top < 0) {
 998                 setTimeout("piggie_callback()", 50);
 999                 piggie_top = piggie_top + 10;
1000         } else if (piggie_fwd && piggie_top >= 0) {
1001                 piggie_fwd = false;
1002                 setTimeout("piggie_callback()", 50);
1003         } else if (!piggie_fwd && piggie_top > -400) {
1004                 setTimeout("piggie_callback()", 50);
1005                 piggie_top = piggie_top - 10;
1006         } else if (!piggie_fwd && piggie_top <= -400) {
1007                 piggie.style.display = "none";
1008                 piggie_fwd = true;
1009         }
1010 }
1011
1012 var piggie_opacity = 0;
1013
1014 function piggie2_callback() {
1015         var piggie = document.getElementById("piggie");
1016         piggie.style.top = 0;
1017         piggie.style.opacity = piggie_opacity;
1018         piggie.style.backgroundColor = "transparent";
1019         piggie.style.borderWidth = "0px";
1020
1021         if (piggie_fwd && piggie_opacity < 1) {
1022                 setTimeout("piggie2_callback()", 50);
1023                 piggie_opacity = piggie_opacity + 0.03;
1024         } else if (piggie_fwd && piggie_opacity >= 1) {
1025                 piggie_fwd = false;
1026                 setTimeout("piggie2_callback()", 50);
1027         } else if (!piggie_fwd && piggie_opacity > 0) {
1028                 setTimeout("piggie2_callback()", 50);
1029                 piggie_opacity = piggie_opacity - 0.03;
1030         } else if (!piggie_fwd && piggie_opacity <= 0) {
1031                 piggie.style.display = "none";
1032                 piggie_fwd = true;
1033         }
1034 }
1035
1036 function localPiggieFunction(enable) {
1037         if (enable) {
1038                 debug("I LOVEDED IT!");
1039                 var piggie = document.getElementById("piggie");
1040                 piggie.style.display = "block";
1041
1042                 if (navigator.userAgent.match("Gecko") && Math.random(1) > 0.5) {
1043                         piggie2_callback();
1044                 } else {
1045                         piggie_callback();
1046                 }
1047         }
1048 }
1049
1050 function validateOpmlImport() {
1051
1052         var opml_file = document.getElementById("opml_file");
1053
1054         if (opml_file.value.length == 0) {
1055                 alert("No OPML file to upload.");
1056                 return false;
1057         } else {
1058                 return true;
1059         }
1060 }
1061
1062 function updateFilterList(sort_key) {
1063
1064         if (!xmlhttp_ready(xmlhttp)) {
1065                 printLockingError();
1066                 return
1067         }
1068
1069 //      document.getElementById("prefContent").innerHTML = "Loading filters, please wait...";
1070
1071 //      p_notify("Loading, please wait...");
1072
1073         xmlhttp.open("GET", "backend.php?op=pref-filters&sort=" +
1074                 param_escape(sort_key), true);
1075         xmlhttp.onreadystatechange=filterlist_callback;
1076         xmlhttp.send(null);
1077
1078 }
1079
1080 function updateLabelList(sort_key) {
1081
1082         if (!xmlhttp_ready(xmlhttp)) {
1083                 printLockingError();
1084                 return
1085         }
1086
1087 //      p_notify("Loading, please wait...");
1088
1089 //      document.getElementById("prefContent").innerHTML = "Loading labels, please wait...";
1090
1091         xmlhttp.open("GET", "backend.php?op=pref-labels&sort=" +
1092                 param_escape(sort_key), true);
1093         xmlhttp.onreadystatechange=labellist_callback;
1094         xmlhttp.send(null);
1095 }
1096
1097 function updatePrefsList() {
1098
1099         if (!xmlhttp_ready(xmlhttp)) {
1100                 printLockingError();
1101                 return
1102         }
1103
1104 //      p_notify("Loading, please wait...");
1105
1106         xmlhttp.open("GET", "backend.php?op=pref-prefs", true);
1107         xmlhttp.onreadystatechange=prefslist_callback;
1108         xmlhttp.send(null);
1109
1110 }
1111
1112 function selectTab(id, noupdate) {
1113
1114 //      alert(id);
1115
1116         if (!id) id = active_tab;
1117
1118         try {
1119
1120                 if (!xmlhttp_ready(xmlhttp)) {
1121                         printLockingError();
1122                         return
1123                 }
1124
1125                 try {
1126                         var c = document.getElementById('prefContent');
1127                         c.scrollTop = 0;
1128                 } catch (e) { };
1129
1130                 if (!noupdate) {
1131
1132                         debug("selectTab: " + id + "(NU: " + noupdate + ")");
1133
1134 //                      notify("Loading, please wait...", true);
1135
1136                         // close active infobox if needed
1137                         closeInfoBox();
1138
1139                         // clean up all current selections, just in case
1140                         active_feed_cat = false;
1141                         active_label = false;
1142
1143                         if (id == "feedConfig") {
1144                                 updateFeedList();
1145                         } else if (id == "filterConfig") {
1146                                 updateFilterList();
1147                         } else if (id == "labelConfig") {
1148                                 updateLabelList();
1149                         } else if (id == "genConfig") {
1150                                 updatePrefsList();
1151                         } else if (id == "userConfig") {
1152                                 updateUsersList();
1153                         } else if (id == "feedBrowser") {
1154                                 updateBigFeedBrowser();
1155                         }
1156                 }
1157
1158                 var tab = document.getElementById(active_tab + "Tab");
1159
1160                 if (tab) {
1161                         if (tab.className.match("Selected")) {
1162                                 tab.className = "prefsTab";
1163                         }
1164                 }
1165
1166                 tab = document.getElementById(id + "Tab");
1167
1168                 if (tab) {
1169                         if (!tab.className.match("Selected")) {
1170                                 tab.className = tab.className + "Selected";
1171                         }
1172                 }
1173
1174                 if (active_tab != id) {
1175                         storeInitParam("prefs_active_tab", id);
1176                 }
1177
1178                 active_tab = id;
1179
1180         } catch (e) {
1181                 exception_error("selectTab", e);
1182         }
1183 }
1184
1185 function backend_sanity_check_callback() {
1186
1187         if (xmlhttp.readyState == 4) {
1188
1189                 try {
1190
1191                         if (!xmlhttp.responseXML) {
1192                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
1193                                 return;
1194                         }
1195
1196                         var reply = xmlhttp.responseXML.firstChild.firstChild;
1197
1198                         if (!reply) {
1199                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
1200                                 return;
1201                         }
1202
1203                         var error_code = reply.getAttribute("error-code");
1204
1205                         if (error_code && error_code != 0) {
1206                                 return fatalError(error_code, reply.getAttribute("error-msg"));
1207                         }
1208
1209                         debug("sanity check ok");
1210
1211                         var params = reply.nextSibling;
1212
1213                         if (params) {
1214                                 debug('reading init-params...');
1215                                 var param = params.firstChild;
1216
1217                                 while (param) {
1218                                         var k = param.getAttribute("key");
1219                                         var v = param.getAttribute("value");
1220                                         debug(k + " => " + v);
1221                                         init_params[k] = v;
1222                                         param = param.nextSibling;
1223                                 }
1224                         }
1225
1226                         init_second_stage();
1227
1228                 } catch (e) {
1229                         exception_error("backend_sanity_check_callback", e);
1230                 }
1231         }
1232 }
1233
1234 function init_second_stage() {
1235
1236         try {
1237                 active_tab = getInitParam("prefs_active_tab");
1238                 if (!active_tab) active_tab = "genConfig";
1239
1240                 document.onkeydown = pref_hotkey_handler;
1241
1242                 if (navigator.userAgent.match("Opera")) {
1243                         setTimeout("selectTab()", 500);
1244                 } else {
1245                         selectTab(active_tab);
1246                 }
1247                 notify("");
1248         } catch (e) {
1249                 exception_error("init_second_stage", e);
1250         }
1251 }
1252
1253 function init() {
1254
1255         try {
1256
1257                 if (arguments.callee.done) return;
1258                 arguments.callee.done = true;
1259
1260                 if (getURLParam('debug')) {
1261                         document.getElementById('debug_output').style.display = 'block';
1262                         debug('debug mode activated');
1263                 }
1264
1265                 // IE kludge
1266                 if (!xmlhttp) {
1267                         document.getElementById("prefContent").innerHTML =
1268                                 "<b>Fatal error:</b> This program needs XmlHttpRequest " +
1269                                 "to function properly. Your browser doesn't seem to support it.";
1270                         return;
1271                 }
1272
1273                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
1274                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
1275                 xmlhttp.send(null);
1276
1277         } catch (e) {
1278                 exception_error("init", e);
1279         }
1280 }
1281
1282 function categorizeSelectedFeeds() {
1283
1284         if (!xmlhttp_ready(xmlhttp)) {
1285                 printLockingError();
1286                 return
1287         }
1288
1289         var sel_rows = getSelectedFeeds();
1290
1291         var cat_sel = document.getElementById("sfeed_set_fcat");
1292         var cat_id = cat_sel[cat_sel.selectedIndex].value;
1293
1294         if (sel_rows.length > 0) {
1295
1296                 notify("Changing category of selected feeds...");
1297
1298                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=categorize&ids="+
1299                         param_escape(sel_rows.toString()) + "&cat_id=" + param_escape(cat_id), true);
1300                 xmlhttp.onreadystatechange=feedlist_callback;
1301                 xmlhttp.send(null);
1302
1303         } else {
1304
1305                 alert("No feeds are selected.");
1306
1307         }
1308
1309 }
1310
1311 function validatePrefsReset() {
1312         return confirm("Reset to defaults?");
1313 }
1314
1315 function browseFeeds(limit) {
1316
1317         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=browse", true);
1318         xmlhttp.onreadystatechange=infobox_callback;
1319         xmlhttp.send(null);
1320
1321 }
1322
1323 function feedBrowserSubscribe() {
1324         try {
1325
1326                 var selected = getSelectedFeedsFromBrowser();
1327
1328                 if (selected.length > 0) {
1329                         closeInfoBox();
1330                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=massSubscribe&ids="+
1331                                 param_escape(selected.toString()), true);
1332                         xmlhttp.onreadystatechange=feedlist_callback;
1333                         xmlhttp.send(null);
1334                 } else {
1335                         alert("No feeds are selected.");
1336                 }
1337
1338         } catch (e) {
1339                 exception_error("feedBrowserSubscribe", e);
1340         }
1341 }
1342
1343 function updateBigFeedBrowser(limit) {
1344
1345         if (!xmlhttp_ready(xmlhttp)) {
1346                 printLockingError();
1347                 return
1348         }
1349
1350 //      p_notify("Loading, please wait...");
1351
1352         var query = "backend.php?op=pref-feed-browser";
1353
1354         var limit_sel = document.getElementById("feedBrowserLimit");
1355
1356         if (limit_sel) {
1357                 var limit = limit_sel[limit_sel.selectedIndex].value;
1358                 query = query + "&limit=" + param_escape(limit);
1359         }
1360
1361         xmlhttp.open("GET", query, true);
1362         xmlhttp.onreadystatechange=feed_browser_callback;
1363         xmlhttp.send(null);
1364 }
1365
1366 function browserToggleExpand(id) {
1367         try {
1368 /*              if (feed_to_expand && feed_to_expand != id) {
1369                         var d = document.getElementById("BRDET-" + feed_to_expand);
1370                         d.style.display = "none";
1371                 } */
1372
1373                 if (!xmlhttp_ready(xmlhttp)) {
1374                         printLockingError();
1375                         return
1376                 }
1377
1378                 var d = document.getElementById("BRDET-" + id);
1379
1380                 if (d.style.display == "block") {
1381                         d.style.display = "none";
1382
1383                 } else {
1384
1385                         feed_to_expand = id;
1386
1387                         d.style.display = "block";
1388                         d.innerHTML = "Loading, please wait...";
1389
1390                         xmlhttp.open("GET", "backend.php?op=pref-feed-browser&subop=details&id="
1391                                 + param_escape(id), true);
1392                         xmlhttp.onreadystatechange=expand_feed_callback;
1393                         xmlhttp.send(null);
1394                 }
1395
1396         } catch (e) {
1397                 exception_error("browserExpand", e);
1398         }
1399 }
1400
1401 function validateNewPassword(form) {
1402         if (form.OLD_PASSWORD.value == "") {
1403                 alert("Old password cannot be blank");
1404                 return false;
1405         }
1406         if (form.NEW_PASSWORD.value == "") {
1407                 alert("New password cannot be blank");
1408                 return false;
1409         }
1410         return true;
1411 }
1412
1413 function selectPrefRows(kind, select) {
1414
1415         if (kind) {
1416                 var opbarid = false;
1417                 var nchk = false;
1418                 var nrow = false;
1419                 var lname = false;
1420
1421                 if (kind == "feed") {
1422                         opbarid = "feedOpToolbar";
1423                         nrow = "FEEDR-";
1424                         nchk = "FRCHK-";
1425                         lname = "prefFeedList";
1426                 } else if (kind == "fcat") {
1427                         opbarid = "catOpToolbar";
1428                         nrow = "FCATR-";
1429                         nchk = "FCCHK-";
1430                         lname = "prefFeedCatList";
1431                 } else if (kind == "filter") {
1432                         opbarid = "filterOpToolbar";
1433                         nrow = "FILRR-";
1434                         nchk = "FICHK-";
1435                         lname = "prefFilterList";
1436                 } else if (kind == "label") {
1437                         opbarid = "labelOpToolbar";
1438                         nrow = "LILRR-";
1439                         nchk = "LICHK-";
1440                         lname = "prefLabelList";
1441                 } else if (kind == "user") {
1442                         opbarid = "userOpToolbar";
1443                         nrow = "UMRR-";
1444                         nchk = "UMCHK-";
1445                         lname = "prefUserList";
1446                 }
1447
1448                 if (opbarid) {
1449                         selectTableRowsByIdPrefix(lname, nrow, nchk, select);
1450                         disableContainerChildren(opbarid, !select);
1451                 }
1452
1453         }
1454 }
1455
1456
1457 function toggleSelectPrefRow(sender, kind) {
1458
1459         toggleSelectRow(sender);
1460
1461         if (kind) {
1462                 var opbarid = false;
1463                 var nsel = -1;
1464
1465                 if (kind == "feed") {
1466                         opbarid = "feedOpToolbar";
1467                         nsel = getSelectedFeeds();
1468                 } else if (kind == "fcat") {
1469                         opbarid = "catOpToolbar";
1470                         nsel = getSelectedFeedCats();
1471                 } else if (kind == "filter") {
1472                         opbarid = "filterOpToolbar";
1473                         nsel = getSelectedFilters();
1474                 } else if (kind == "label") {
1475                         opbarid = "labelOpToolbar";
1476                         nsel = getSelectedLabels();
1477                 } else if (kind == "user") {
1478                         opbarid = "userOpToolbar";
1479                         nsel = getSelectedUsers();
1480                 }
1481
1482                 if (opbarid && nsel != -1) {
1483                         disableContainerChildren(opbarid, nsel == false);
1484                 }
1485
1486         }
1487 }
1488
1489 function toggleSelectFBListRow(sender) {
1490         toggleSelectListRow(sender);
1491         disableContainerChildren("fbrOpToolbar", getSelectedFeedsFromBrowser() == 0);
1492 }
1493
1494 var seq = "";
1495
1496 function pref_hotkey_handler(e) {
1497         try {
1498
1499                 var keycode;
1500
1501                 if (!hotkeys_enabled) return;
1502
1503                 if (window.event) {
1504                         keycode = window.event.keyCode;
1505                 } else if (e) {
1506                         keycode = e.which;
1507                 }
1508
1509                 if (keycode == 13 || keycode == 27) {
1510                         seq = "";
1511                 } else {
1512                         seq = seq + "" + keycode;
1513                 }
1514
1515
1516         if (document.getElementById("piggie")) {
1517
1518                 if (seq.match("807371717369")) {
1519                         seq = "";
1520                         localPiggieFunction(true);
1521                 } else {
1522                         localPiggieFunction(false);
1523                 }
1524         }
1525
1526         } catch (e) {
1527                 exception_error("pref_hotkey_handler", e);
1528         }
1529 }
1530
1531 function userSwitch() {
1532         var chooser = document.getElementById("userSwitch");
1533         var user = chooser[chooser.selectedIndex].value;
1534         window.location = "prefs.php?swu=" + user;
1535 }
1536
1537 function editFeedCats() {
1538         if (!xmlhttp_ready(xmlhttp)) {
1539                 printLockingError();
1540                 return
1541         }
1542
1543         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
1544         xmlhttp.onreadystatechange=infobox_callback;
1545         xmlhttp.send(null);
1546 }