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