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