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