prefs.js

   1 var xmlhttp = false;
   2
   3 var active_feed = false;
   4 var active_feed_cat = false;
   5 var active_filter = false;
   6 var active_label = false;
   7 var active_user = false;
   8
   9 var active_tab = false;
  10
  11 /*@cc_on @*/
  12 /*@if (@_jscript_version >= 5)
  13 // JScript gives us Conditional compilation, we can cope with old IE versions.
  14 // and security blocked creation of the objects.
  15 try {
  16         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  17 } catch (e) {
  18         try {
  19                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  20         } catch (E) {
  21                 xmlhttp = false;
  22         }
  23 }
  24 @end @*/
  25
  26 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  27         xmlhttp = new XMLHttpRequest();
  28 }
  29
  30 function feedlist_callback() {
  31         if (xmlhttp.readyState == 4) {
  32                 var container = document.getElementById('prefContent');
  33                 container.innerHTML=xmlhttp.responseText;
  34                 if (active_feed) {
  35                         var row = document.getElementById("FEEDR-" + active_feed);
  36                         if (row) {
  37                                 if (!row.className.match("Selected")) {
  38                                         row.className = row.className + "Selected";
  39                                 }
  40                         }
  41                         var checkbox = document.getElementById("FRCHK-" + active_feed);
  42                         if (checkbox) {
  43                                 checkbox.checked = true;
  44                         }
  45                 }
  46                 p_notify("");
  47         }
  48 }
  49
  50 function filterlist_callback() {
  51         var container = document.getElementById('prefContent');
  52         if (xmlhttp.readyState == 4) {
  53
  54                 container.innerHTML=xmlhttp.responseText;
  55
  56                 if (active_filter) {
  57                         var row = document.getElementById("FILRR-" + active_filter);
  58                         if (row) {
  59                                 if (!row.className.match("Selected")) {
  60                                         row.className = row.className + "Selected";
  61                                 }
  62                         }
  63                         var checkbox = document.getElementById("FICHK-" + active_filter);
  64
  65                         if (checkbox) {
  66                                 checkbox.checked = true;
  67                         }
  68                 }
  69                 p_notify("");
  70         }
  71 }
  72
  73 function labellist_callback() {
  74         var container = document.getElementById('prefContent');
  75         if (xmlhttp.readyState == 4) {
  76                 container.innerHTML=xmlhttp.responseText;
  77
  78                 if (active_label) {
  79                         var row = document.getElementById("LILRR-" + active_label);
  80                         if (row) {
  81                                 if (!row.className.match("Selected")) {
  82                                         row.className = row.className + "Selected";
  83                                 }
  84                         }
  85                         var checkbox = document.getElementById("LICHK-" + active_label);
  86
  87                         if (checkbox) {
  88                                 checkbox.checked = true;
  89                         }
  90                 }
  91                 p_notify("");
  92         }
  93 }
  94
  95 function userlist_callback() {
  96         var container = document.getElementById('prefContent');
  97         if (xmlhttp.readyState == 4) {
  98                 container.innerHTML=xmlhttp.responseText;
  99
 100                 if (active_user) {
 101                         var row = document.getElementById("UMRR-" + active_user);
 102                         if (row) {
 103                                 if (!row.className.match("Selected")) {
 104                                         row.className = row.className + "Selected";
 105                                 }
 106                         }
 107                         var checkbox = document.getElementById("UMCHK-" + active_user);
 108
 109                         if (checkbox) {
 110                                 checkbox.checked = true;
 111                         }
 112                 }
 113
 114                 p_notify("");
 115         }
 116 }
 117
 118 function infobox_callback() {
 119         if (xmlhttp.readyState == 4) {
 120                 var box = document.getElementById('infoBox');
 121                 var shadow = document.getElementById('infoBoxShadow');
 122
 123                 if (box) {
 124                         box.innerHTML=xmlhttp.responseText;
 125                         if (shadow) {
 126                                 shadow.style.display = "block";
 127                         } else {
 128                                 box.style.display = "block";
 129                         }
 130                 }
 131         }
 132 }
 133
 134
 135 function prefslist_callback() {
 136         var container = document.getElementById('prefContent');
 137         if (xmlhttp.readyState == 4) {
 138
 139                 container.innerHTML=xmlhttp.responseText;
 140
 141                 p_notify("");
 142         }
 143 }
 144
 145 function gethelp_callback() {
 146         var container = document.getElementById('prefHelpBox');
 147         if (xmlhttp.readyState == 4) {
 148
 149                 container.innerHTML = xmlhttp.responseText;
 150                 container.style.display = "block";
 151
 152         }
 153 }
 154
 155
 156 function notify_callback() {
 157         var container = document.getElementById('notify');
 158         if (xmlhttp.readyState == 4) {
 159                 container.innerHTML=xmlhttp.responseText;
 160         }
 161 }
 162
 163 function updateFeedList(sort_key) {
 164
 165         if (!xmlhttp_ready(xmlhttp)) {
 166                 printLockingError();
 167                 return
 168         }
 169
 170 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 171
 172         p_notify("Loading, please wait...");
 173
 174         var feed_search = document.getElementById("feed_search");
 175         var search = "";
 176         if (feed_search) { search = feed_search.value; }
 177
 178         xmlhttp.open("GET", "backend.php?op=pref-feeds" +
 179                 "&sort=" + param_escape(sort_key) +
 180                 "&search=" + param_escape(search), true);
 181         xmlhttp.onreadystatechange=feedlist_callback;
 182         xmlhttp.send(null);
 183
 184 }
 185
 186 function updateUsersList() {
 187
 188         if (!xmlhttp_ready(xmlhttp)) {
 189                 printLockingError();
 190                 return
 191         }
 192
 193 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 194
 195         p_notify("Loading, please wait...");
 196
 197         xmlhttp.open("GET", "backend.php?op=pref-users", true);
 198         xmlhttp.onreadystatechange=userlist_callback;
 199         xmlhttp.send(null);
 200
 201 }
 202
 203 function addLabel() {
 204
 205         if (!xmlhttp_ready(xmlhttp)) {
 206                 printLockingError();
 207                 return
 208         }
 209
 210         var sqlexp = document.getElementById("ladd_expr");
 211
 212         if (sqlexp.value.length == 0) {
 213                 notify("Missing SQL expression.");
 214         } else {
 215                 notify("Adding label...");
 216
 217                 xmlhttp.open("GET", "backend.php?op=pref-labels&subop=add&exp=" +
 218                         param_escape(sqlexp.value), true);
 219
 220                 xmlhttp.onreadystatechange=labellist_callback;
 221                 xmlhttp.send(null);
 222
 223                 sqlexp.value = "";
 224         }
 225
 226 }
 227
 228 function addFilter() {
 229
 230         if (!xmlhttp_ready(xmlhttp)) {
 231                 printLockingError();
 232                 return
 233         }
 234
 235         var regexp = document.getElementById("fadd_regexp");
 236         var match = document.getElementById("fadd_match");
 237         var feed = document.getElementById("fadd_feed");
 238
 239         if (regexp.value.length == 0) {
 240                 notify("Missing filter expression.");
 241         } else {
 242                 notify("Adding filter...");
 243
 244                 var v_match = match[match.selectedIndex].text;
 245
 246                 var feed_id = feed[feed.selectedIndex].id;
 247
 248                 xmlhttp.open("GET", "backend.php?op=pref-filters&subop=add&regexp=" +
 249                         param_escape(regexp.value) + "&match=" + v_match +
 250                         "&fid=" + param_escape(feed_id), true);
 251
 252                 xmlhttp.onreadystatechange=filterlist_callback;
 253                 xmlhttp.send(null);
 254
 255                 regexp.value = "";
 256         }
 257
 258 }
 259
 260 function addFeed() {
 261
 262         if (!xmlhttp_ready(xmlhttp)) {
 263                 printLockingError();
 264                 return
 265         }
 266
 267         var link = document.getElementById("fadd_link");
 268
 269         if (link.value.length == 0) {
 270                 notify("Missing feed URL.");
 271         } else {
 272                 notify("Adding feed...");
 273
 274                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&link=" +
 275                         param_escape(link.value), true);
 276                 xmlhttp.onreadystatechange=feedlist_callback;
 277                 xmlhttp.send(null);
 278
 279                 link.value = "";
 280
 281         }
 282
 283 }
 284
 285 function addFeedCat() {
 286
 287         if (!xmlhttp_ready(xmlhttp)) {
 288                 printLockingError();
 289                 return
 290         }
 291
 292         var cat = document.getElementById("fadd_cat");
 293
 294         if (cat.value.length == 0) {
 295                 notify("Missing feed category.");
 296         } else {
 297                 notify("Adding feed category...");
 298
 299                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=addCat&cat=" +
 300                         param_escape(cat.value), true);
 301                 xmlhttp.onreadystatechange=feedlist_callback;
 302                 xmlhttp.send(null);
 303
 304                 link.value = "";
 305
 306         }
 307
 308 }
 309 function addUser() {
 310
 311         if (!xmlhttp_ready(xmlhttp)) {
 312                 printLockingError();
 313                 return
 314         }
 315
 316         var sqlexp = document.getElementById("uadd_box");
 317
 318         if (sqlexp.value.length == 0) {
 319                 notify("Missing user login.");
 320         } else {
 321                 notify("Adding user...");
 322
 323                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=add&login=" +
 324                         param_escape(sqlexp.value), true);
 325
 326                 xmlhttp.onreadystatechange=userlist_callback;
 327                 xmlhttp.send(null);
 328
 329                 sqlexp.value = "";
 330         }
 331
 332 }
 333
 334 function editLabel(id) {
 335
 336         if (!xmlhttp_ready(xmlhttp)) {
 337                 printLockingError();
 338                 return
 339         }
 340
 341         active_label = id;
 342
 343         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=edit&id=" +
 344                 param_escape(id), true);
 345         xmlhttp.onreadystatechange=labellist_callback;
 346         xmlhttp.send(null);
 347
 348 }
 349
 350 function editUser(id) {
 351
 352         if (!xmlhttp_ready(xmlhttp)) {
 353                 printLockingError();
 354                 return
 355         }
 356
 357         active_user = id;
 358
 359         xmlhttp.open("GET", "backend.php?op=pref-users&subop=edit&id=" +
 360                 param_escape(id), true);
 361         xmlhttp.onreadystatechange=userlist_callback;
 362         xmlhttp.send(null);
 363
 364 }
 365
 366 function editFilter(id) {
 367
 368         if (!xmlhttp_ready(xmlhttp)) {
 369                 printLockingError();
 370                 return
 371         }
 372
 373         active_filter = id;
 374
 375         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=edit&id=" +
 376                 param_escape(id), true);
 377         xmlhttp.onreadystatechange=filterlist_callback;
 378         xmlhttp.send(null);
 379
 380 }
 381
 382 function editFeed(feed) {
 383
 384 //      notify("Editing feed...");
 385
 386         if (!xmlhttp_ready(xmlhttp)) {
 387                 printLockingError();
 388                 return
 389         }
 390
 391         active_feed = feed;
 392
 393         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=edit&id=" +
 394                 param_escape(feed), true);
 395         xmlhttp.onreadystatechange=feedlist_callback;
 396         xmlhttp.send(null);
 397
 398 }
 399
 400 function editFeedCat(cat) {
 401
 402         if (!xmlhttp_ready(xmlhttp)) {
 403                 printLockingError();
 404                 return
 405         }
 406
 407         active_feed_cat = cat;
 408
 409         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCat&id=" +
 410                 param_escape(cat), true);
 411         xmlhttp.onreadystatechange=feedlist_callback;
 412         xmlhttp.send(null);
 413
 414 }
 415
 416 function getSelectedLabels() {
 417         return getSelectedTableRowIds("prefLabelList", "LILRR");
 418 }
 419
 420 function getSelectedUsers() {
 421         return getSelectedTableRowIds("prefUserList", "UMRR");
 422 }
 423
 424 function getSelectedFeeds() {
 425         return getSelectedTableRowIds("prefFeedList", "FEEDR");
 426 }
 427
 428 function getSelectedFilters() {
 429         return getSelectedTableRowIds("prefFilterList", "FILRR");
 430 }
 431
 432 function getSelectedFeedCats() {
 433         return getSelectedTableRowIds("prefFeedCatList", "FCATR");
 434 }
 435
 436
 437 function readSelectedFeeds(read) {
 438
 439         if (!xmlhttp_ready(xmlhttp)) {
 440                 printLockingError();
 441                 return
 442         }
 443
 444         var sel_rows = getSelectedFeeds();
 445
 446         if (sel_rows.length > 0) {
 447
 448                 if (!read) {
 449                         op = "unread";
 450                 } else {
 451                         op = "read";
 452                 }
 453
 454                 notify("Marking selected feeds as " + op + "...");
 455
 456                 xmlhttp.open("GET", "backend.php?op=pref-rpc&subop=" + op + "&ids="+
 457                         param_escape(sel_rows.toString()), true);
 458                 xmlhttp.onreadystatechange=notify_callback;
 459                 xmlhttp.send(null);
 460
 461         } else {
 462
 463                 notify("Please select some feeds first.");
 464
 465         }
 466 }
 467
 468 function removeSelectedLabels() {
 469
 470         if (!xmlhttp_ready(xmlhttp)) {
 471                 printLockingError();
 472                 return
 473         }
 474
 475         var sel_rows = getSelectedLabels();
 476
 477         if (sel_rows.length > 0) {
 478
 479                 notify("Removing selected labels...");
 480
 481                 xmlhttp.open("GET", "backend.php?op=pref-labels&subop=remove&ids="+
 482                         param_escape(sel_rows.toString()), true);
 483                 xmlhttp.onreadystatechange=labellist_callback;
 484                 xmlhttp.send(null);
 485
 486         } else {
 487                 notify("Please select some labels first.");
 488         }
 489 }
 490
 491 function removeSelectedUsers() {
 492
 493         if (!xmlhttp_ready(xmlhttp)) {
 494                 printLockingError();
 495                 return
 496         }
 497
 498         var sel_rows = getSelectedUsers();
 499
 500         if (sel_rows.length > 0) {
 501
 502                 notify("Removing selected users...");
 503
 504                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=remove&ids="+
 505                         param_escape(sel_rows.toString()), true);
 506                 xmlhttp.onreadystatechange=userlist_callback;
 507                 xmlhttp.send(null);
 508
 509         } else {
 510                 notify("Please select some labels first.");
 511         }
 512 }
 513
 514 function removeSelectedFilters() {
 515
 516         if (!xmlhttp_ready(xmlhttp)) {
 517                 printLockingError();
 518                 return
 519         }
 520
 521         var sel_rows = getSelectedFilters();
 522
 523         if (sel_rows.length > 0) {
 524
 525                 notify("Removing selected filters...");
 526
 527                 xmlhttp.open("GET", "backend.php?op=pref-filters&subop=remove&ids="+
 528                         param_escape(sel_rows.toString()), true);
 529                 xmlhttp.onreadystatechange=filterlist_callback;
 530                 xmlhttp.send(null);
 531
 532         } else {
 533                 notify("Please select some filters first.");
 534         }
 535 }
 536
 537
 538 function removeSelectedFeeds() {
 539
 540         if (!xmlhttp_ready(xmlhttp)) {
 541                 printLockingError();
 542                 return
 543         }
 544
 545         var sel_rows = getSelectedFeeds();
 546
 547         if (sel_rows.length > 0) {
 548
 549                 notify("Removing selected feeds...");
 550
 551                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
 552                         param_escape(sel_rows.toString()), true);
 553                 xmlhttp.onreadystatechange=feedlist_callback;
 554                 xmlhttp.send(null);
 555
 556         } else {
 557
 558                 notify("Please select some feeds first.");
 559
 560         }
 561
 562 }
 563
 564 function removeSelectedFeedCats() {
 565
 566         if (!xmlhttp_ready(xmlhttp)) {
 567                 printLockingError();
 568                 return
 569         }
 570
 571         var sel_rows = getSelectedFeedCats();
 572
 573         if (sel_rows.length > 0) {
 574
 575                 notify("Removing selected categories...");
 576
 577                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=removeCats&ids="+
 578                         param_escape(sel_rows.toString()), true);
 579                 xmlhttp.onreadystatechange=feedlist_callback;
 580                 xmlhttp.send(null);
 581
 582         } else {
 583
 584                 notify("Please select some feeds first.");
 585
 586         }
 587
 588 }
 589
 590 function feedEditCancel() {
 591
 592         if (!xmlhttp_ready(xmlhttp)) {
 593                 printLockingError();
 594                 return
 595         }
 596
 597         active_feed = false;
 598
 599         notify("Operation cancelled.");
 600
 601         xmlhttp.open("GET", "backend.php?op=pref-feeds", true);
 602         xmlhttp.onreadystatechange=feedlist_callback;
 603         xmlhttp.send(null);
 604
 605 }
 606
 607 function feedCatEditCancel() {
 608
 609         if (!xmlhttp_ready(xmlhttp)) {
 610                 printLockingError();
 611                 return
 612         }
 613
 614         active_feed_cat = false;
 615
 616         notify("Operation cancelled.");
 617
 618         xmlhttp.open("GET", "backend.php?op=pref-feeds", true);
 619         xmlhttp.onreadystatechange=feedlist_callback;
 620         xmlhttp.send(null);
 621
 622 }
 623
 624 function feedEditSave() {
 625
 626         var feed = active_feed;
 627
 628         if (!xmlhttp_ready(xmlhttp)) {
 629                 printLockingError();
 630                 return
 631         }
 632
 633         var link = document.getElementById("iedit_link").value;
 634         var title = document.getElementById("iedit_title").value;
 635         var upd_intl = document.getElementById("iedit_updintl").value;
 636         var purge_intl = document.getElementById("iedit_purgintl").value;
 637         var fcat = document.getElementById("iedit_fcat");
 638
 639         var fcat_id = fcat[fcat.selectedIndex].id;
 640
 641 //      notify("Saving feed.");
 642
 643 /*      if (upd_intl < 0) {
 644                 notify("Update interval must be &gt;= 0 (0 = default)");
 645                 return;
 646         }
 647
 648         if (purge_intl < 0) {
 649                 notify("Purge days must be &gt;= 0 (0 = default)");
 650                 return;
 651         } */
 652
 653         if (link.length == 0) {
 654                 notify("Feed link cannot be blank.");
 655                 return;
 656         }
 657
 658         if (title.length == 0) {
 659                 notify("Feed title cannot be blank.");
 660                 return;
 661         }
 662
 663         active_feed = false;
 664
 665         notify("");
 666
 667         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editSave&id=" +
 668                 feed + "&l=" + param_escape(link) + "&t=" + param_escape(title) +
 669                 "&ui=" + param_escape(upd_intl) + "&pi=" + param_escape(purge_intl) +
 670                 "&catid=" + param_escape(fcat_id), true);
 671         xmlhttp.onreadystatechange=feedlist_callback;
 672         xmlhttp.send(null);
 673
 674 }
 675
 676 function labelTest() {
 677
 678         var sqlexp = document.getElementById("iedit_expr").value;
 679         var descr = document.getElementById("iedit_descr").value;
 680
 681         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=test&expr=" +
 682                 param_escape(sqlexp) + "&descr=" + param_escape(descr), true);
 683
 684         xmlhttp.onreadystatechange=infobox_callback;
 685         xmlhttp.send(null);
 686
 687 }
 688
 689 function displayHelpInfobox(topic_id) {
 690
 691         xmlhttp.open("GET", "backend.php?op=help&tid=" +
 692                 param_escape(topic_id) + "&noheaders=1", true);
 693
 694         xmlhttp.onreadystatechange=infobox_callback;
 695         xmlhttp.send(null);
 696
 697 }
 698
 699 function labelEditCancel() {
 700
 701         if (!xmlhttp_ready(xmlhttp)) {
 702                 printLockingError();
 703                 return
 704         }
 705
 706         active_label = false;
 707
 708         notify("Operation cancelled.");
 709
 710         xmlhttp.open("GET", "backend.php?op=pref-labels", true);
 711         xmlhttp.onreadystatechange=labellist_callback;
 712         xmlhttp.send(null);
 713
 714 }
 715
 716 function userEditCancel() {
 717
 718         if (!xmlhttp_ready(xmlhttp)) {
 719                 printLockingError();
 720                 return
 721         }
 722
 723         active_user = false;
 724
 725         notify("Operation cancelled.");
 726
 727         xmlhttp.open("GET", "backend.php?op=pref-users", true);
 728         xmlhttp.onreadystatechange=userlist_callback;
 729         xmlhttp.send(null);
 730
 731 }
 732
 733 function filterEditCancel() {
 734
 735         if (!xmlhttp_ready(xmlhttp)) {
 736                 printLockingError();
 737                 return
 738         }
 739
 740         active_filter = false;
 741
 742         notify("Operation cancelled.");
 743
 744         xmlhttp.open("GET", "backend.php?op=pref-filters", true);
 745         xmlhttp.onreadystatechange=filterlist_callback;
 746         xmlhttp.send(null);
 747
 748 }
 749
 750 function labelEditSave() {
 751
 752         var label = active_label;
 753
 754         if (!xmlhttp_ready(xmlhttp)) {
 755                 printLockingError();
 756                 return
 757         }
 758
 759         var sqlexp = document.getElementById("iedit_expr").value;
 760         var descr = document.getElementById("iedit_descr").value;
 761
 762 //      notify("Saving label " + sqlexp + ": " + descr);
 763
 764         if (sqlexp.length == 0) {
 765                 notify("SQL expression cannot be blank.");
 766                 return;
 767         }
 768
 769         if (descr.length == 0) {
 770                 notify("Caption cannot be blank.");
 771                 return;
 772         }
 773
 774         notify("");
 775
 776         active_label = false;
 777
 778         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=editSave&id=" +
 779                 label + "&s=" + param_escape(sqlexp) + "&d=" + param_escape(descr),
 780                 true);
 781
 782         xmlhttp.onreadystatechange=labellist_callback;
 783         xmlhttp.send(null);
 784
 785 }
 786
 787 function userEditSave() {
 788
 789         var user = active_user;
 790
 791         if (!xmlhttp_ready(xmlhttp)) {
 792                 printLockingError();
 793                 return
 794         }
 795
 796         var login = document.getElementById("iedit_ulogin").value;
 797         var level = document.getElementById("iedit_ulevel").value;
 798
 799         if (login.length == 0) {
 800                 notify("Login cannot be blank.");
 801                 return;
 802         }
 803
 804         if (level.length == 0) {
 805                 notify("User level cannot be blank.");
 806                 return;
 807         }
 808
 809         active_user = false;
 810
 811         notify("");
 812
 813         xmlhttp.open("GET", "backend.php?op=pref-users&subop=editSave&id=" +
 814                 user + "&l=" + param_escape(login) + "&al=" + param_escape(level),
 815                 true);
 816
 817         xmlhttp.onreadystatechange=userlist_callback;
 818         xmlhttp.send(null);
 819
 820 }
 821
 822
 823 function filterEditSave() {
 824
 825         var filter = active_filter;
 826
 827         if (!xmlhttp_ready(xmlhttp)) {
 828                 printLockingError();
 829                 return
 830         }
 831
 832         var regexp = document.getElementById("iedit_regexp").value;
 833         var descr = document.getElementById("iedit_descr").value;
 834         var match = document.getElementById("iedit_match");
 835
 836         var v_match = match[match.selectedIndex].text;
 837
 838         var feed = document.getElementById("iedit_feed");
 839         var feed_id = feed[feed.selectedIndex].id;
 840
 841 //      notify("Saving filter " + filter + ": " + regexp + ", " + descr + ", " + match);
 842
 843         if (regexp.length == 0) {
 844                 notify("Filter expression cannot be blank.");
 845                 return;
 846         }
 847
 848         active_filter = false;
 849
 850         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=editSave&id=" +
 851                 filter + "&r=" + param_escape(regexp) + "&d=" + param_escape(descr) +
 852                 "&m=" + param_escape(v_match) + "&fid=" + param_escape(feed_id), true);
 853
 854         notify("");
 855
 856         xmlhttp.onreadystatechange=filterlist_callback;
 857         xmlhttp.send(null);
 858
 859 }
 860
 861 function editSelectedLabel() {
 862         var rows = getSelectedLabels();
 863
 864         if (rows.length == 0) {
 865                 notify("No labels are selected.");
 866                 return;
 867         }
 868
 869         if (rows.length > 1) {
 870                 notify("Please select one label.");
 871                 return;
 872         }
 873
 874         notify("");
 875
 876         editLabel(rows[0]);
 877
 878 }
 879
 880 function editSelectedUser() {
 881         var rows = getSelectedUsers();
 882
 883         if (rows.length == 0) {
 884                 notify("No users are selected.");
 885                 return;
 886         }
 887
 888         if (rows.length > 1) {
 889                 notify("Please select one user.");
 890                 return;
 891         }
 892
 893         notify("");
 894
 895         editUser(rows[0]);
 896 }
 897
 898 function resetSelectedUserPass() {
 899         var rows = getSelectedUsers();
 900
 901         if (rows.length == 0) {
 902                 notify("No users are selected.");
 903                 return;
 904         }
 905
 906         if (rows.length > 1) {
 907                 notify("Please select one user.");
 908                 return;
 909         }
 910
 911         notify("Resetting password for selected user...");
 912
 913         var id = rows[0];
 914
 915         xmlhttp.open("GET", "backend.php?op=pref-users&subop=resetPass&id=" +
 916                 param_escape(id), true);
 917         xmlhttp.onreadystatechange=userlist_callback;
 918         xmlhttp.send(null);
 919
 920 }
 921
 922 function selectedUserDetails() {
 923
 924         if (!xmlhttp_ready(xmlhttp)) {
 925                 printLockingError();
 926                 return
 927         }
 928
 929         var rows = getSelectedUsers();
 930
 931         if (rows.length == 0) {
 932                 notify("No users are selected.");
 933                 return;
 934         }
 935
 936         if (rows.length > 1) {
 937                 notify("Please select one user.");
 938                 return;
 939         }
 940
 941         var id = rows[0];
 942
 943         notify("");
 944
 945         xmlhttp.open("GET", "backend.php?op=user-details&id=" + id, true);
 946         xmlhttp.onreadystatechange=infobox_callback;
 947         xmlhttp.send(null);
 948
 949 }
 950
 951 function selectedFeedDetails() {
 952
 953         if (!xmlhttp_ready(xmlhttp)) {
 954                 printLockingError();
 955                 return
 956         }
 957
 958         var rows = getSelectedFeeds();
 959
 960         if (rows.length == 0) {
 961                 notify("No feeds are selected.");
 962                 return;
 963         }
 964
 965         if (rows.length > 1) {
 966                 notify("Please select one feed.");
 967                 return;
 968         }
 969
 970         var id = rows[0];
 971
 972         notify("");
 973
 974         xmlhttp.open("GET", "backend.php?op=feed-details&id=" + id, true);
 975         xmlhttp.onreadystatechange=infobox_callback;
 976         xmlhttp.send(null);
 977
 978 }
 979
 980 function editSelectedFilter() {
 981         var rows = getSelectedFilters();
 982
 983         if (rows.length == 0) {
 984                 notify("No filters are selected.");
 985                 return;
 986         }
 987
 988         if (rows.length > 1) {
 989                 notify("Please select one filter.");
 990                 return;
 991         }
 992
 993         notify("");
 994
 995         editFilter(rows[0]);
 996
 997 }
 998
 999
1000 function editSelectedFeed() {
1001         var rows = getSelectedFeeds();
1002
1003         if (rows.length == 0) {
1004                 notify("No feeds are selected.");
1005                 return;
1006         }
1007
1008         if (rows.length > 1) {
1009                 notify("Please select one feed.");
1010                 return;
1011         }
1012
1013         notify("");
1014
1015         editFeed(rows[0]);
1016
1017 }
1018
1019 function editSelectedFeedCat() {
1020         var rows = getSelectedFeedCats();
1021
1022         if (rows.length == 0) {
1023                 notify("No categories are selected.");
1024                 return;
1025         }
1026
1027         if (rows.length > 1) {
1028                 notify("Please select one category.");
1029                 return;
1030         }
1031
1032         notify("");
1033
1034         editFeedCat(rows[0]);
1035
1036 }
1037
1038 function localPiggieFunction(enable) {
1039         if (enable) {
1040                 piggie.style.display = "block";
1041                 seq = "";
1042                 notify("I loveded it!!!");
1043         } else {
1044                 piggie.style.display = "none";
1045                 notify("");
1046         }
1047 }
1048
1049 function validateOpmlImport() {
1050
1051         var opml_file = document.getElementById("opml_file");
1052
1053         if (opml_file.value.length == 0) {
1054                 notify("Please select OPML file to upload.");
1055                 return false;
1056         } else {
1057                 return true;
1058         }
1059 }
1060
1061 function updateFilterList() {
1062
1063         if (!xmlhttp_ready(xmlhttp)) {
1064                 printLockingError();
1065                 return
1066         }
1067
1068 //      document.getElementById("prefContent").innerHTML = "Loading filters, please wait...";
1069
1070         p_notify("Loading, please wait...");
1071
1072         xmlhttp.open("GET", "backend.php?op=pref-filters", true);
1073         xmlhttp.onreadystatechange=filterlist_callback;
1074         xmlhttp.send(null);
1075
1076 }
1077
1078 function updateLabelList() {
1079
1080         if (!xmlhttp_ready(xmlhttp)) {
1081                 printLockingError();
1082                 return
1083         }
1084
1085         p_notify("Loading, please wait...");
1086
1087 //      document.getElementById("prefContent").innerHTML = "Loading labels, please wait...";
1088
1089         xmlhttp.open("GET", "backend.php?op=pref-labels", true);
1090         xmlhttp.onreadystatechange=labellist_callback;
1091         xmlhttp.send(null);
1092 }
1093
1094 function updatePrefsList() {
1095
1096         if (!xmlhttp_ready(xmlhttp)) {
1097                 printLockingError();
1098                 return
1099         }
1100
1101         p_notify("Loading, please wait...");
1102
1103         xmlhttp.open("GET", "backend.php?op=pref-prefs", true);
1104         xmlhttp.onreadystatechange=prefslist_callback;
1105         xmlhttp.send(null);
1106
1107 }
1108
1109 function selectTab(id) {
1110
1111         if (!xmlhttp_ready(xmlhttp)) {
1112                 printLockingError();
1113                 return
1114         }
1115
1116         if (id == "feedConfig") {
1117                 updateFeedList();
1118         } else if (id == "filterConfig") {
1119                 updateFilterList();
1120         } else if (id == "labelConfig") {
1121                 updateLabelList();
1122         } else if (id == "genConfig") {
1123                 updatePrefsList();
1124         } else if (id == "userConfig") {
1125                 updateUsersList();
1126         }
1127
1128         var tab = document.getElementById(active_tab + "Tab");
1129
1130         if (tab) {
1131                 if (tab.className.match("Selected")) {
1132                         tab.className = "prefsTab";
1133                 }
1134         }
1135
1136         tab = document.getElementById(id + "Tab");
1137
1138         if (tab) {
1139                 if (!tab.className.match("Selected")) {
1140                         tab.className = tab.className + "Selected";
1141                 }
1142         }
1143
1144         active_tab = id;
1145
1146 }
1147
1148 function init() {
1149
1150         try {
1151
1152                 // IE kludge
1153                 if (!xmlhttp) {
1154                         document.getElementById("prefContent").innerHTML =
1155                                 "<b>Fatal error:</b> This program needs XmlHttpRequest " +
1156                                 "to function properly. Your browser doesn't seem to support it.";
1157                         return;
1158                 }
1159
1160                 selectTab("genConfig");
1161
1162                 document.onkeydown = hotkey_handler;
1163                 notify("");
1164         } catch (e) {
1165                 exception_error("init", e);
1166         }
1167 }
1168
1169 function closeInfoBox() {
1170         var box = document.getElementById('infoBox');
1171         var shadow = document.getElementById('infoBoxShadow');
1172
1173         if (shadow) {
1174                 shadow.style.display = "none";
1175         } else if (box) {
1176                 box.style.display = "none";
1177         }
1178 }
1179
1180 function categorizeSelectedFeeds() {
1181
1182         if (!xmlhttp_ready(xmlhttp)) {
1183                 printLockingError();
1184                 return
1185         }
1186
1187         var sel_rows = getSelectedFeeds();
1188
1189         var cat_sel = document.getElementById("sfeed_set_fcat");
1190         var cat_id = cat_sel[cat_sel.selectedIndex].id;
1191
1192         if (sel_rows.length > 0) {
1193
1194                 notify("Changing category of selected feeds...");
1195
1196                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=categorize&ids="+
1197                         param_escape(sel_rows.toString()) + "&cat_id=" + param_escape(cat_id), true);
1198                 xmlhttp.onreadystatechange=feedlist_callback;
1199                 xmlhttp.send(null);
1200
1201         } else {
1202
1203                 notify("Please select some feeds first.");
1204
1205         }
1206
1207 }