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         return false;
 459 }
 460
 461 function removeSelectedUsers() {
 462
 463         if (!xmlhttp_ready(xmlhttp)) {
 464                 printLockingError();
 465                 return
 466         }
 467
 468         var sel_rows = getSelectedUsers();
 469
 470         if (sel_rows.length > 0) {
 471
 472                 var ok = confirm("Remove selected users?");
 473
 474                 if (ok) {
 475                         notify("Removing selected users...");
 476
 477                         xmlhttp.open("GET", "backend.php?op=pref-users&subop=remove&ids="+
 478                                 param_escape(sel_rows.toString()), true);
 479                         xmlhttp.onreadystatechange=userlist_callback;
 480                         xmlhttp.send(null);
 481                 }
 482
 483         } else {
 484                 alert("No users are selected.");
 485         }
 486
 487         return false;
 488 }
 489
 490 function removeSelectedFilters() {
 491
 492         if (!xmlhttp_ready(xmlhttp)) {
 493                 printLockingError();
 494                 return
 495         }
 496
 497         var sel_rows = getSelectedFilters();
 498
 499         if (sel_rows.length > 0) {
 500
 501                 var ok = confirm("Remove selected filters?");
 502
 503                 if (ok) {
 504                         notify("Removing selected filters...");
 505
 506                         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=remove&ids="+
 507                                 param_escape(sel_rows.toString()), true);
 508                         xmlhttp.onreadystatechange=filterlist_callback;
 509                         xmlhttp.send(null);
 510                 }
 511         } else {
 512                 alert("No filters are selected.");
 513         }
 514
 515         return false;
 516 }
 517
 518
 519 function removeSelectedFeeds() {
 520
 521         if (!xmlhttp_ready(xmlhttp)) {
 522                 printLockingError();
 523                 return
 524         }
 525
 526         var sel_rows = getSelectedFeeds();
 527
 528         if (sel_rows.length > 0) {
 529
 530                 var ok = confirm("Unsubscribe from selected feeds?");
 531
 532                 if (ok) {
 533
 534                         notify("Unsubscribing from selected feeds...");
 535
 536                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
 537                                 param_escape(sel_rows.toString()), true);
 538                         xmlhttp.onreadystatechange=feedlist_callback;
 539                         xmlhttp.send(null);
 540                 }
 541
 542         } else {
 543
 544                 alert("No feeds are selected.");
 545
 546         }
 547
 548         return false;
 549 }
 550
 551 function removeSelectedFeedCats() {
 552
 553         if (!xmlhttp_ready(xmlhttp)) {
 554                 printLockingError();
 555                 return
 556         }
 557
 558         var sel_rows = getSelectedFeedCats();
 559
 560         if (sel_rows.length > 0) {
 561
 562                 var ok = confirm("Remove selected categories?");
 563
 564                 if (ok) {
 565                         notify("Removing selected categories...");
 566
 567                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=removeCats&ids="+
 568                                 param_escape(sel_rows.toString()), true);
 569                         xmlhttp.onreadystatechange=feedlist_callback;
 570                         xmlhttp.send(null);
 571                 }
 572
 573         } else {
 574
 575                 alert("No categories are selected.");
 576
 577         }
 578
 579         return false;
 580 }
 581
 582 function feedEditCancel() {
 583
 584         if (!xmlhttp_ready(xmlhttp)) {
 585                 printLockingError();
 586                 return
 587         }
 588
 589         closeInfoBox();
 590
 591         selectPrefRows('feed', false); // cleanup feed selection
 592
 593         return false;
 594 }
 595
 596 function feedCatEditCancel() {
 597
 598         if (!xmlhttp_ready(xmlhttp)) {
 599                 printLockingError();
 600                 return
 601         }
 602
 603         active_feed_cat = false;
 604
 605 //      notify("Operation cancelled.");
 606
 607         xmlhttp.open("GET", "backend.php?op=pref-feeds", true);
 608         xmlhttp.onreadystatechange=feedlist_callback;
 609         xmlhttp.send(null);
 610
 611         return false;
 612 }
 613
 614 function feedEditSave() {
 615
 616         try {
 617
 618                 if (!xmlhttp_ready(xmlhttp)) {
 619                         printLockingError();
 620                         return
 621                 }
 622
 623                 // FIXME: add parameter validation
 624
 625                 var query = Form.serialize("edit_feed_form");
 626
 627                 notify("Saving feed...");
 628
 629                 xmlhttp.open("POST", "backend.php", true);
 630                 xmlhttp.onreadystatechange=feedlist_callback;
 631                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 632                 xmlhttp.send(query);
 633
 634                 closeInfoBox();
 635
 636                 return false;
 637
 638         } catch (e) {
 639                 exception_error("feedEditSave", e);
 640         }
 641 }
 642
 643 function feedCatEditSave() {
 644
 645         if (!xmlhttp_ready(xmlhttp)) {
 646                 printLockingError();
 647                 return
 648         }
 649
 650         notify("Saving category...");
 651
 652         var query = Form.serialize("feed_cat_edit_form");
 653
 654         xmlhttp.open("GET", "backend.php?" + query, true);
 655         xmlhttp.onreadystatechange=feedlist_callback;
 656         xmlhttp.send(null);
 657
 658         active_feed_cat = false;
 659
 660         return false;
 661 }
 662
 663
 664 function labelTest() {
 665
 666         var form = document.forms['label_edit_form'];
 667
 668         var sql_exp = form.sql_exp.value;
 669         var description = form.description.value;
 670
 671         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=test&expr=" +
 672                 param_escape(sql_exp) + "&descr=" + param_escape(description), true);
 673
 674         xmlhttp.onreadystatechange=infobox_callback;
 675         xmlhttp.send(null);
 676
 677         return false;
 678 }
 679
 680 function displayHelpInfobox(topic_id) {
 681
 682         xmlhttp.open("GET", "backend.php?op=help&tid=" +
 683                 param_escape(topic_id) + "&noheaders=1", true);
 684
 685         xmlhttp.onreadystatechange=infobox_callback;
 686         xmlhttp.send(null);
 687
 688 }
 689
 690 function labelEditCancel() {
 691
 692         if (!xmlhttp_ready(xmlhttp)) {
 693                 printLockingError();
 694                 return
 695         }
 696
 697         active_label = false;
 698
 699 //      notify("Operation cancelled.");
 700
 701         closeInfoBox();
 702
 703         xmlhttp.open("GET", "backend.php?op=pref-labels", true);
 704         xmlhttp.onreadystatechange=labellist_callback;
 705         xmlhttp.send(null);
 706
 707         return false;
 708 }
 709
 710 function userEditCancel() {
 711
 712         if (!xmlhttp_ready(xmlhttp)) {
 713                 printLockingError();
 714                 return
 715         }
 716
 717         selectPrefRows('user', false); // cleanup feed selection
 718         closeInfoBox();
 719
 720         return false;
 721 }
 722
 723 function filterEditCancel() {
 724
 725         if (!xmlhttp_ready(xmlhttp)) {
 726                 printLockingError();
 727                 return
 728         }
 729
 730         document.getElementById("create_filter_btn").disabled = false;
 731
 732         selectPrefRows('filter', false); // cleanup feed selection
 733         closeInfoBox();
 734
 735         return false;
 736 }
 737
 738 function labelEditSave() {
 739
 740         var label = active_label;
 741
 742         if (!xmlhttp_ready(xmlhttp)) {
 743                 printLockingError();
 744                 return
 745         }
 746
 747         var sql_exp = document.forms["label_edit_form"].sql_exp.value;
 748         var description = document.forms["label_edit_form"].description.value;
 749
 750         if (sql_exp.length == 0) {
 751                 alert("SQL Expression cannot be blank.");
 752                 return;
 753         }
 754
 755         if (description.length == 0) {
 756                 alert("Caption field cannot be blank.");
 757                 return;
 758         }
 759
 760         closeInfoBox();
 761
 762         notify("Saving label...");
 763
 764         active_label = false;
 765
 766         query = Form.serialize("label_edit_form");
 767
 768         xmlhttp.open("GET", "backend.php?" + query, true);
 769         xmlhttp.onreadystatechange=labellist_callback;
 770         xmlhttp.send(null);
 771
 772         return false;
 773 }
 774
 775 function userEditSave() {
 776
 777         if (!xmlhttp_ready(xmlhttp)) {
 778                 printLockingError();
 779                 return
 780         }
 781
 782         var login = document.forms["user_edit_form"].login.value;
 783
 784         if (login.length == 0) {
 785                 alert("Login field cannot be blank.");
 786                 return;
 787         }
 788
 789         notify("Saving user...");
 790
 791         closeInfoBox();
 792
 793         var query = Form.serialize("user_edit_form");
 794
 795         xmlhttp.open("GET", "backend.php?" + query, true);
 796         xmlhttp.onreadystatechange=userlist_callback;
 797         xmlhttp.send(null);
 798
 799         return false;
 800 }
 801
 802
 803 function filterEditSave() {
 804
 805         if (!xmlhttp_ready(xmlhttp)) {
 806                 printLockingError();
 807                 return
 808         }
 809
 810         var reg_exp = document.forms["filter_edit_form"].reg_exp.value;
 811
 812         if (reg_exp.length == 0) {
 813                 alert("Filter expression field cannot be blank.");
 814                 return;
 815         }
 816
 817         notify("Saving filter...");
 818
 819         var query = Form.serialize("filter_edit_form");
 820
 821         closeInfoBox();
 822
 823         document.getElementById("create_filter_btn").disabled = false;
 824
 825         xmlhttp.open("GET", "backend.php?" + query, true);
 826         xmlhttp.onreadystatechange=filterlist_callback;
 827         xmlhttp.send(null);
 828
 829         return false;
 830 }
 831
 832 function editSelectedLabel() {
 833         var rows = getSelectedLabels();
 834
 835         if (rows.length == 0) {
 836                 alert("No labels are selected.");
 837                 return;
 838         }
 839
 840         if (rows.length > 1) {
 841                 alert("Please select only one label.");
 842                 return;
 843         }
 844
 845         notify("");
 846
 847         editLabel(rows[0]);
 848
 849 }
 850
 851 function editSelectedUser() {
 852         var rows = getSelectedUsers();
 853
 854         if (rows.length == 0) {
 855                 alert("No users are selected.");
 856                 return;
 857         }
 858
 859         if (rows.length > 1) {
 860                 alert("Please select only one user.");
 861                 return;
 862         }
 863
 864         notify("");
 865
 866         editUser(rows[0]);
 867 }
 868
 869 function resetSelectedUserPass() {
 870         var rows = getSelectedUsers();
 871
 872         if (rows.length == 0) {
 873                 alert("No users are selected.");
 874                 return;
 875         }
 876
 877         if (rows.length > 1) {
 878                 alert("Please select only one user.");
 879                 return;
 880         }
 881
 882         var ok = confirm("Reset password of selected user?");
 883
 884         if (ok) {
 885                 notify("Resetting password for selected user...");
 886
 887                 var id = rows[0];
 888
 889                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=resetPass&id=" +
 890                         param_escape(id), true);
 891                 xmlhttp.onreadystatechange=userlist_callback;
 892                 xmlhttp.send(null);
 893         }
 894 }
 895
 896 function selectedUserDetails() {
 897
 898         if (!xmlhttp_ready(xmlhttp)) {
 899                 printLockingError();
 900                 return
 901         }
 902
 903         var rows = getSelectedUsers();
 904
 905         if (rows.length == 0) {
 906                 alert("No users are selected.");
 907                 return;
 908         }
 909
 910         if (rows.length > 1) {
 911                 alert("Please select only one user.");
 912                 return;
 913         }
 914
 915         var id = rows[0];
 916
 917         notify("");
 918
 919         xmlhttp.open("GET", "backend.php?op=user-details&id=" + id, true);
 920         xmlhttp.onreadystatechange=infobox_callback;
 921         xmlhttp.send(null);
 922
 923 }
 924
 925 function selectedFeedDetails() {
 926
 927         if (!xmlhttp_ready(xmlhttp)) {
 928                 printLockingError();
 929                 return
 930         }
 931
 932         var rows = getSelectedFeeds();
 933
 934         if (rows.length == 0) {
 935                 alert("No feeds are selected.");
 936                 return;
 937         }
 938
 939         if (rows.length > 1) {
 940                 notify("Please select only one feed.");
 941                 return;
 942         }
 943
 944 //      var id = rows[0];
 945
 946         notify("");
 947
 948         xmlhttp.open("GET", "backend.php?op=feed-details&id=" +
 949                 param_escape(rows.toString()), true);
 950         xmlhttp.onreadystatechange=infobox_callback;
 951         xmlhttp.send(null);
 952
 953 }
 954
 955 function editSelectedFilter() {
 956         var rows = getSelectedFilters();
 957
 958         if (rows.length == 0) {
 959                 alert("No filters are selected.");
 960                 return;
 961         }
 962
 963         if (rows.length > 1) {
 964                 alert("Please select only one filter.");
 965                 return;
 966         }
 967
 968         notify("");
 969
 970         editFilter(rows[0]);
 971
 972 }
 973
 974
 975 function editSelectedFeed() {
 976         var rows = getSelectedFeeds();
 977
 978         if (rows.length == 0) {
 979                 notify("No feeds are selected.");
 980                 return;
 981         }
 982
 983         if (rows.length > 1) {
 984                 notify("Please select one feed.");
 985                 return;
 986         }
 987
 988         notify("");
 989
 990         editFeed(rows[0]);
 991
 992 }
 993
 994 function editSelectedFeedCat() {
 995         var rows = getSelectedFeedCats();
 996
 997         if (rows.length == 0) {
 998                 alert("No categories are selected.");
 999                 return;
1000         }
1001
1002         if (rows.length > 1) {
1003                 alert("Please select only one category.");
1004                 return;
1005         }
1006
1007         notify("");
1008
1009         editFeedCat(rows[0]);
1010
1011 }
1012
1013 function piggie_callback() {
1014         var piggie = document.getElementById("piggie");
1015
1016         piggie.style.top = piggie_top;
1017         piggie.style.backgroundColor = "white";
1018         piggie.style.borderWidth = "1px";
1019
1020         if (piggie_fwd && piggie_top < 0) {
1021                 setTimeout("piggie_callback()", 50);
1022                 piggie_top = piggie_top + 10;
1023         } else if (piggie_fwd && piggie_top >= 0) {
1024                 piggie_fwd = false;
1025                 setTimeout("piggie_callback()", 50);
1026         } else if (!piggie_fwd && piggie_top > -400) {
1027                 setTimeout("piggie_callback()", 50);
1028                 piggie_top = piggie_top - 10;
1029         } else if (!piggie_fwd && piggie_top <= -400) {
1030                 piggie.style.display = "none";
1031                 piggie_fwd = true;
1032         }
1033 }
1034
1035 var piggie_opacity = 0;
1036
1037 function piggie2_callback() {
1038         var piggie = document.getElementById("piggie");
1039         piggie.style.top = 0;
1040         piggie.style.opacity = piggie_opacity;
1041         piggie.style.backgroundColor = "transparent";
1042         piggie.style.borderWidth = "0px";
1043
1044         if (piggie_fwd && piggie_opacity < 1) {
1045                 setTimeout("piggie2_callback()", 50);
1046                 piggie_opacity = piggie_opacity + 0.03;
1047         } else if (piggie_fwd && piggie_opacity >= 1) {
1048                 piggie_fwd = false;
1049                 setTimeout("piggie2_callback()", 50);
1050         } else if (!piggie_fwd && piggie_opacity > 0) {
1051                 setTimeout("piggie2_callback()", 50);
1052                 piggie_opacity = piggie_opacity - 0.03;
1053         } else if (!piggie_fwd && piggie_opacity <= 0) {
1054                 piggie.style.display = "none";
1055                 piggie_fwd = true;
1056         }
1057 }
1058
1059 function localPiggieFunction(enable) {
1060         if (enable) {
1061                 var piggie = document.getElementById("piggie");
1062                 piggie.style.display = "block";
1063
1064                 if (navigator.userAgent.match("Gecko") && Math.random(1) > 0.5) {
1065                         piggie2_callback();
1066                 } else {
1067                         piggie_callback();
1068                 }
1069         }
1070 }
1071
1072 function validateOpmlImport() {
1073
1074         var opml_file = document.getElementById("opml_file");
1075
1076         if (opml_file.value.length == 0) {
1077                 alert("No OPML file to upload.");
1078                 return false;
1079         } else {
1080                 return true;
1081         }
1082 }
1083
1084 function updateFilterList() {
1085
1086         if (!xmlhttp_ready(xmlhttp)) {
1087                 printLockingError();
1088                 return
1089         }
1090
1091 //      document.getElementById("prefContent").innerHTML = "Loading filters, please wait...";
1092
1093 //      p_notify("Loading, please wait...");
1094
1095         xmlhttp.open("GET", "backend.php?op=pref-filters", true);
1096         xmlhttp.onreadystatechange=filterlist_callback;
1097         xmlhttp.send(null);
1098
1099 }
1100
1101 function updateLabelList() {
1102
1103         if (!xmlhttp_ready(xmlhttp)) {
1104                 printLockingError();
1105                 return
1106         }
1107
1108 //      p_notify("Loading, please wait...");
1109
1110 //      document.getElementById("prefContent").innerHTML = "Loading labels, please wait...";
1111
1112         xmlhttp.open("GET", "backend.php?op=pref-labels", true);
1113         xmlhttp.onreadystatechange=labellist_callback;
1114         xmlhttp.send(null);
1115 }
1116
1117 function updatePrefsList() {
1118
1119         if (!xmlhttp_ready(xmlhttp)) {
1120                 printLockingError();
1121                 return
1122         }
1123
1124 //      p_notify("Loading, please wait...");
1125
1126         xmlhttp.open("GET", "backend.php?op=pref-prefs", true);
1127         xmlhttp.onreadystatechange=prefslist_callback;
1128         xmlhttp.send(null);
1129
1130 }
1131
1132 function selectTab(id, noupdate) {
1133
1134 //      alert(id);
1135
1136         if (!id) id = active_tab;
1137
1138         try {
1139
1140                 if (!xmlhttp_ready(xmlhttp)) {
1141                         printLockingError();
1142                         return
1143                 }
1144
1145                 if (!noupdate) {
1146
1147                         debug("selectTab: " + id + "(NU: " + noupdate + ")");
1148
1149                         notify("Loading, please wait...", true);
1150
1151                         // close active infobox if needed
1152                         closeInfoBox();
1153
1154                         // clean up all current selections, just in case
1155                         active_feed_cat = false;
1156                         active_label = false;
1157
1158                         if (id == "feedConfig") {
1159                                 updateFeedList();
1160                         } else if (id == "filterConfig") {
1161                                 updateFilterList();
1162                         } else if (id == "labelConfig") {
1163                                 updateLabelList();
1164                         } else if (id == "genConfig") {
1165                                 updatePrefsList();
1166                         } else if (id == "userConfig") {
1167                                 updateUsersList();
1168                         } else if (id == "feedBrowser") {
1169                                 updateBigFeedBrowser();
1170                         }
1171                 }
1172
1173                 var tab = document.getElementById(active_tab + "Tab");
1174
1175                 if (tab) {
1176                         if (tab.className.match("Selected")) {
1177                                 tab.className = "prefsTab";
1178                         }
1179                 }
1180
1181                 tab = document.getElementById(id + "Tab");
1182
1183                 if (tab) {
1184                         if (!tab.className.match("Selected")) {
1185                                 tab.className = tab.className + "Selected";
1186                         }
1187                 }
1188
1189                 if (active_tab != id) {
1190                         storeInitParam("prefs_active_tab", id);
1191                 }
1192
1193                 active_tab = id;
1194
1195         } catch (e) {
1196                 exception_error("selectTab", e);
1197         }
1198 }
1199
1200 function backend_sanity_check_callback() {
1201
1202         if (xmlhttp.readyState == 4) {
1203
1204                 try {
1205
1206                         if (!xmlhttp.responseXML) {
1207                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
1208                                 return;
1209                         }
1210
1211                         var reply = xmlhttp.responseXML.firstChild.firstChild;
1212
1213                         if (!reply) {
1214                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
1215                                 return;
1216                         }
1217
1218                         var error_code = reply.getAttribute("error-code");
1219
1220                         if (error_code && error_code != 0) {
1221                                 return fatalError(error_code, reply.getAttribute("error-msg"));
1222                         }
1223
1224                         debug("sanity check ok");
1225
1226                         var params = reply.nextSibling;
1227
1228                         if (params) {
1229                                 debug('reading init-params...');
1230                                 var param = params.firstChild;
1231
1232                                 while (param) {
1233                                         var k = param.getAttribute("key");
1234                                         var v = param.getAttribute("value");
1235                                         debug(k + " => " + v);
1236                                         init_params[k] = v;
1237                                         param = param.nextSibling;
1238                                 }
1239                         }
1240
1241                         init_second_stage();
1242
1243                 } catch (e) {
1244                         exception_error("backend_sanity_check_callback", e);
1245                 }
1246         }
1247 }
1248
1249 function init_second_stage() {
1250
1251         try {
1252                 active_tab = getInitParam("prefs_active_tab");
1253                 if (!active_tab) active_tab = "genConfig";
1254
1255                 if (navigator.userAgent.match("Opera")) {
1256                         setTimeout("selectTab()", 500);
1257                 } else {
1258                         selectTab(active_tab);
1259                 }
1260                 notify("");
1261         } catch (e) {
1262                 exception_error("init_second_stage", e);
1263         }
1264 }
1265
1266 function init() {
1267
1268         try {
1269
1270                 if (arguments.callee.done) return;
1271                 arguments.callee.done = true;
1272
1273                 if (getURLParam('debug')) {
1274                         document.getElementById('debug_output').style.display = 'block';
1275                         debug('debug mode activated');
1276                 }
1277
1278                 // IE kludge
1279                 if (!xmlhttp) {
1280                         document.getElementById("prefContent").innerHTML =
1281                                 "<b>Fatal error:</b> This program needs XmlHttpRequest " +
1282                                 "to function properly. Your browser doesn't seem to support it.";
1283                         return;
1284                 }
1285
1286                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
1287                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
1288                 xmlhttp.send(null);
1289
1290         } catch (e) {
1291                 exception_error("init", e);
1292         }
1293 }
1294
1295 function categorizeSelectedFeeds() {
1296
1297         if (!xmlhttp_ready(xmlhttp)) {
1298                 printLockingError();
1299                 return
1300         }
1301
1302         var sel_rows = getSelectedFeeds();
1303
1304         var cat_sel = document.getElementById("sfeed_set_fcat");
1305         var cat_id = cat_sel[cat_sel.selectedIndex].value;
1306
1307         if (sel_rows.length > 0) {
1308
1309                 notify("Changing category of selected feeds...");
1310
1311                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=categorize&ids="+
1312                         param_escape(sel_rows.toString()) + "&cat_id=" + param_escape(cat_id), true);
1313                 xmlhttp.onreadystatechange=feedlist_callback;
1314                 xmlhttp.send(null);
1315
1316         } else {
1317
1318                 alert("No feeds are selected.");
1319
1320         }
1321
1322 }
1323
1324 function validatePrefsReset() {
1325         return confirm("Reset to defaults?");
1326 }
1327
1328 function browseFeeds(limit) {
1329
1330         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=browse", true);
1331         xmlhttp.onreadystatechange=infobox_callback;
1332         xmlhttp.send(null);
1333
1334 }
1335
1336 function feedBrowserSubscribe() {
1337         try {
1338
1339                 var selected = getSelectedFeedsFromBrowser();
1340
1341                 if (selected.length > 0) {
1342                         closeInfoBox();
1343                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=massSubscribe&ids="+
1344                                 param_escape(selected.toString()), true);
1345                         xmlhttp.onreadystatechange=feedlist_callback;
1346                         xmlhttp.send(null);
1347                 } else {
1348                         alert("No feeds are selected.");
1349                 }
1350
1351         } catch (e) {
1352                 exception_error("feedBrowserSubscribe", e);
1353         }
1354 }
1355
1356 function updateBigFeedBrowser(limit) {
1357
1358         if (!xmlhttp_ready(xmlhttp)) {
1359                 printLockingError();
1360                 return
1361         }
1362
1363 //      p_notify("Loading, please wait...");
1364
1365         var query = "backend.php?op=pref-feed-browser";
1366
1367         var limit_sel = document.getElementById("feedBrowserLimit");
1368
1369         if (limit_sel) {
1370                 var limit = limit_sel[limit_sel.selectedIndex].value;
1371                 query = query + "&limit=" + param_escape(limit);
1372         }
1373
1374         xmlhttp.open("GET", query, true);
1375         xmlhttp.onreadystatechange=feed_browser_callback;
1376         xmlhttp.send(null);
1377 }
1378
1379 function browserToggleExpand(id) {
1380         try {
1381 /*              if (feed_to_expand && feed_to_expand != id) {
1382                         var d = document.getElementById("BRDET-" + feed_to_expand);
1383                         d.style.display = "none";
1384                 } */
1385
1386                 if (!xmlhttp_ready(xmlhttp)) {
1387                         printLockingError();
1388                         return
1389                 }
1390
1391                 var d = document.getElementById("BRDET-" + id);
1392
1393                 if (d.style.display == "block") {
1394                         d.style.display = "none";
1395
1396                 } else {
1397
1398                         feed_to_expand = id;
1399
1400                         d.style.display = "block";
1401                         d.innerHTML = "Loading, please wait...";
1402
1403                         xmlhttp.open("GET", "backend.php?op=pref-feed-browser&subop=details&id="
1404                                 + param_escape(id), true);
1405                         xmlhttp.onreadystatechange=expand_feed_callback;
1406                         xmlhttp.send(null);
1407                 }
1408
1409         } catch (e) {
1410                 exception_error("browserExpand", e);
1411         }
1412 }
1413
1414 function validateNewPassword(form) {
1415         if (form.OLD_PASSWORD.value == "") {
1416                 alert("Old password cannot be blank");
1417                 return false;
1418         }
1419         if (form.NEW_PASSWORD.value == "") {
1420                 alert("New password cannot be blank");
1421                 return false;
1422         }
1423         return true;
1424 }
1425
1426 function selectPrefRows(kind, select) {
1427
1428         if (kind) {
1429                 var opbarid = false;
1430                 var nchk = false;
1431                 var nrow = false;
1432                 var lname = false;
1433
1434                 if (kind == "feed") {
1435                         opbarid = "feedOpToolbar";
1436                         nrow = "FEEDR-";
1437                         nchk = "FRCHK-";
1438                         lname = "prefFeedList";
1439                 } else if (kind == "fcat") {
1440                         opbarid = "catOpToolbar";
1441                         nrow = "FCATR-";
1442                         nchk = "FCHK-";
1443                         lname = "prefFeedCatList";
1444                 } else if (kind == "filter") {
1445                         opbarid = "filterOpToolbar";
1446                         nrow = "FILRR-";
1447                         nchk = "FICHK-";
1448                         lname = "prefFilterList";
1449                 } else if (kind == "label") {
1450                         opbarid = "labelOpToolbar";
1451                         nrow = "LILRR-";
1452                         nchk = "LCHK-";
1453                         lname = "prefLabelList";
1454                 } else if (kind == "user") {
1455                         opbarid = "userOpToolbar";
1456                         nrow = "UMRR-";
1457                         nchk = "UMCHK-";
1458                         lname = "prefUserList";
1459                 }
1460
1461                 if (opbarid) {
1462                         selectTableRowsByIdPrefix(lname, nrow, nchk, select);
1463                         disableContainerChildren(opbarid, !select);
1464                 }
1465
1466         }
1467 }
1468
1469
1470 function toggleSelectPrefRow(sender, kind) {
1471
1472         toggleSelectRow(sender);
1473
1474         if (kind) {
1475                 var opbarid = false;
1476                 var nsel = -1;
1477
1478                 if (kind == "feed") {
1479                         opbarid = "feedOpToolbar";
1480                         nsel = getSelectedFeeds();
1481                 } else if (kind == "fcat") {
1482                         opbarid = "catOpToolbar";
1483                         nsel = getSelectedFeedCats();
1484                 } else if (kind == "filter") {
1485                         opbarid = "filterOpToolbar";
1486                         nsel = getSelectedFilters();
1487                 } else if (kind == "label") {
1488                         opbarid = "labelOpToolbar";
1489                         nsel = getSelectedLabels();
1490                 } else if (kind == "user") {
1491                         opbarid = "userOpToolbar";
1492                         nsel = getSelectedUsers();
1493                 }
1494
1495                 if (opbarid && nsel != -1) {
1496                         disableContainerChildren(opbarid, nsel == false);
1497                 }
1498
1499         }
1500 }
1501
1502 function toggleSelectFBListRow(sender) {
1503         toggleSelectListRow(sender);
1504         disableContainerChildren("fbrOpToolbar", getSelectedFeedsFromBrowser() == 0);
1505 }