prefs.js

   1 var xmlhttp = false;
   2
   3 var active_feed_cat = false;
   4 var active_tab = false;
   5 var feed_to_expand = false;
   6
   7 var xmlhttp = Ajax.getTransport();
   8
   9 var init_params = new Array();
  10
  11 var caller_subop = false;
  12 var sanity_check_done = false;
  13 var hotkey_prefix = false;
  14
  15 function infobox_callback() {
  16         if (xmlhttp.readyState == 4) {
  17                 infobox_callback2(xmlhttp);
  18         }
  19 }
  20
  21 function infobox_submit_callback() {
  22         if (xmlhttp.readyState == 4) {
  23                 infobox_submit_callback2(xmlhttp);
  24         }
  25 }
  26
  27
  28 function replace_pubkey_callback() {
  29         if (xmlhttp.readyState == 4) {
  30                 try {
  31                         var link = document.getElementById("pubGenAddress");
  32
  33                         if (xmlhttp.responseXML) {
  34
  35                                 var new_link = xmlhttp.responseXML.getElementsByTagName("link")[0];
  36
  37                                 if (new_link) {
  38                                         link.href = new_link.firstChild.nodeValue;
  39                                         //link.innerHTML = new_link.firstChild.nodeValue;
  40
  41                                         new Effect.Highlight(link);
  42
  43                                         notify_info("Published feed URL changed.");
  44                                 } else {
  45                                         notify_error("Could not change feed URL.");
  46                                 }
  47
  48                         } else {
  49                                 notify_error("Could not change feed URL.");
  50                         }
  51                 } catch (e) {
  52                         exception_error("replace_pubkey_callback", e);
  53                 }
  54         }
  55 }
  56
  57 function expand_feed_callback() {
  58         if (xmlhttp.readyState == 4) {
  59                 try {
  60                         var container = document.getElementById("BRDET-" + feed_to_expand);
  61                         container.innerHTML=xmlhttp.responseText;
  62 //                      container.style.display = "block";
  63                         Effect.Appear(container, {duration : 0.5});
  64                         notify('');
  65                 } catch (e) {
  66                         exception_error("expand_feed_callback", e);
  67                 }
  68         }
  69 }
  70
  71 function feedlist_callback() {
  72         if (xmlhttp.readyState == 4) {
  73                 try {
  74                         var container = document.getElementById('prefContent');
  75                         container.innerHTML=xmlhttp.responseText;
  76                         selectTab("feedConfig", true);
  77
  78                         if (caller_subop) {
  79                                 var tuple = caller_subop.split(":");
  80                                 if (tuple[0] == 'editFeed') {
  81                                         window.setTimeout('editFeed('+tuple[1]+')', 100);
  82                                 }
  83
  84                                 caller_subop = false;
  85                         }
  86                         if (typeof correctPNG != 'undefined') {
  87                                 correctPNG();
  88                         }
  89                         notify("");
  90                         remove_splash();
  91
  92                 } catch (e) {
  93                         exception_error("feedlist_callback", e);
  94                 }
  95         }
  96 }
  97
  98 /* stub for subscription dialog */
  99
 100 function dlg_frefresh_callback(transport) {
 101
 102         try {
 103                 var container = document.getElementById('prefContent');
 104                 container.innerHTML=transport.responseText;
 105                 selectTab("feedConfig", true);
 106
 107                 if (caller_subop) {
 108                         var tuple = caller_subop.split(":");
 109                         if (tuple[0] == 'editFeed') {
 110                                 window.setTimeout('editFeed('+tuple[1]+')', 100);
 111                         }
 112
 113                         caller_subop = false;
 114                 }
 115                 if (typeof correctPNG != 'undefined') {
 116                         correctPNG();
 117                 }
 118                 notify("");
 119         } catch (e) {
 120                 exception_error("feedlist_callback", e);
 121         }
 122
 123 }
 124
 125 function filterlist_callback() {
 126         var container = document.getElementById('prefContent');
 127         if (xmlhttp.readyState == 4) {
 128                 container.innerHTML=xmlhttp.responseText;
 129                 if (typeof correctPNG != 'undefined') {
 130                         correctPNG();
 131                 }
 132                 notify("");
 133                 remove_splash();
 134         }
 135 }
 136
 137 function labellist_callback() {
 138
 139         try {
 140
 141                 var container = document.getElementById('prefContent');
 142                 if (xmlhttp.readyState == 4) {
 143                         closeInfoBox();
 144                         container.innerHTML=xmlhttp.responseText;
 145
 146                         if (document.getElementById("prefLabelList")) {
 147                                 var elems = document.getElementById("prefLabelList").getElementsByTagName("SPAN");
 148
 149                                 for (var i = 0; i < elems.length; i++) {
 150                                         if (elems[i].id && elems[i].id.match("LILT-")) {
 151
 152                                                 var id = elems[i].id.replace("LILT-", "");
 153                                                         new Ajax.InPlaceEditor(elems[i],
 154                                                         'backend.php?op=pref-labels&subop=save&id=' + id,
 155                                                         {cols: 20, rows: 1});
 156                                         }
 157                                 }
 158                         }
 159
 160                         if (typeof correctPNG != 'undefined') {
 161                                 correctPNG();
 162                         }
 163                         notify("");
 164                         remove_splash();
 165                 }
 166
 167         } catch (e) {
 168                 exception_error("labellist_callback", e);
 169         }
 170 }
 171
 172 function feed_browser_callback() {
 173         var container = document.getElementById('prefContent');
 174         if (xmlhttp.readyState == 4) {
 175                 container.innerHTML=xmlhttp.responseText;
 176                 notify("");
 177                 remove_splash();
 178         }
 179 }
 180
 181 function userlist_callback() {
 182         var container = document.getElementById('prefContent');
 183         if (xmlhttp.readyState == 4) {
 184                 container.innerHTML=xmlhttp.responseText;
 185                 notify("");
 186                 remove_splash();
 187         }
 188 }
 189
 190 function prefslist_callback() {
 191         var container = document.getElementById('prefContent');
 192         if (xmlhttp.readyState == 4) {
 193                 container.innerHTML=xmlhttp.responseText;
 194                 notify("");
 195                 remove_splash();
 196         }
 197 }
 198
 199 function gethelp_callback() {
 200         var container = document.getElementById('prefHelpBox');
 201         if (xmlhttp.readyState == 4) {
 202
 203                 container.innerHTML = xmlhttp.responseText;
 204                 container.style.display = "block";
 205
 206         }
 207 }
 208
 209 function notify_callback() {
 210         if (xmlhttp.readyState == 4) {
 211                 notify_info(xmlhttp.responseText);
 212         }
 213 }
 214
 215 function prefs_reset_callback() {
 216         if (xmlhttp.readyState == 4) {
 217                 notify_info(xmlhttp.responseText);
 218                 selectTab();
 219         }
 220 }
 221
 222
 223 function changepass_callback() {
 224         try {
 225                 if (xmlhttp.readyState == 4) {
 226
 227                         if (xmlhttp.responseText.indexOf("ERROR: ") == 0) {
 228                                 notify_error(xmlhttp.responseText.replace("ERROR: ", ""));
 229                         } else {
 230                                 notify_info(xmlhttp.responseText);
 231                                 var warn = document.getElementById("default_pass_warning");
 232                                 if (warn) warn.style.display = "none";
 233                         }
 234
 235                         document.forms['change_pass_form'].reset();
 236
 237                 }
 238         } catch (e) {
 239                 exception_error("changepass_callback", e);
 240         }
 241 }
 242
 243 function init_cat_inline_editor() {
 244         try {
 245
 246                 if (document.getElementById("prefFeedCatList")) {
 247                         var elems = document.getElementById("prefFeedCatList").getElementsByTagName("SPAN");
 248
 249                         for (var i = 0; i < elems.length; i++) {
 250                                 if (elems[i].id && elems[i].id.match("FCATT-")) {
 251                                         var cat_id = elems[i].id.replace("FCATT-", "");
 252                                                 new Ajax.InPlaceEditor(elems[i],
 253                                                 'backend.php?op=pref-feeds&subop=editCats&action=save&cid=' + cat_id);
 254                                 }
 255                         }
 256                 }
 257
 258         } catch (e) {
 259                 exception_error("init_cat_inline_editor", e);
 260         }
 261 }
 262
 263 function infobox_feed_cat_callback() {
 264         if (xmlhttp.readyState == 4) {
 265                 try {
 266
 267                         infobox_callback();
 268                         init_cat_inline_editor();
 269
 270                 } catch (e) {
 271                         exception_error("infobox_feed_cat_callback", e);
 272                 }
 273         }
 274 }
 275
 276 function updateFeedList(sort_key) {
 277
 278         if (!xmlhttp_ready(xmlhttp)) {
 279                 printLockingError();
 280                 return
 281         }
 282
 283         var feed_search = document.getElementById("feed_search");
 284         var search = "";
 285         if (feed_search) { search = feed_search.value; }
 286
 287         var slat = document.getElementById("show_last_article_times");
 288
 289         var slat_checked = false;
 290         if (slat) {
 291                 slat_checked = slat.checked;
 292         }
 293
 294         xmlhttp.open("GET", "backend.php?op=pref-feeds" +
 295                 "&sort=" + param_escape(sort_key) +
 296                 "&slat=" + param_escape(slat_checked) +
 297                 "&search=" + param_escape(search), true);
 298         xmlhttp.onreadystatechange=feedlist_callback;
 299         xmlhttp.send(null);
 300
 301 }
 302
 303 function updateUsersList(sort_key) {
 304
 305         if (!xmlhttp_ready(xmlhttp)) {
 306                 printLockingError();
 307                 return
 308         }
 309
 310         var user_search = document.getElementById("user_search");
 311         var search = "";
 312         if (user_search) { search = user_search.value; }
 313
 314         xmlhttp.open("GET", "backend.php?op=pref-users&sort="
 315                 + param_escape(sort_key) +
 316                 "&search=" + param_escape(search), true);
 317         xmlhttp.onreadystatechange=userlist_callback;
 318         xmlhttp.send(null);
 319
 320 }
 321
 322 function addLabel() {
 323
 324         try {
 325
 326         if (!xmlhttp_ready(xmlhttp)) {
 327                 printLockingError();
 328                 return
 329         }
 330
 331         var caption = prompt(__("Please enter label caption:"), "");
 332
 333         if (caption == null) {
 334                 return false;
 335         }
 336
 337         if (caption == "") {
 338                 alert(__("Can't create label: missing caption."));
 339                 return false;
 340         }
 341
 342         // we can be called from some other tab
 343         active_tab = "labelConfig";
 344
 345         var query = "caption=" + param_escape(caption);
 346
 347         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=add&" + query, true);
 348         xmlhttp.onreadystatechange=infobox_submit_callback;
 349         xmlhttp.send(null);
 350
 351         } catch (e) {
 352                 exception_error("addLabel", e);
 353         }
 354 }
 355
 356 function addFeed() {
 357
 358         if (!xmlhttp_ready(xmlhttp)) {
 359                 printLockingError();
 360                 return
 361         }
 362
 363         var link = document.getElementById("fadd_link");
 364
 365         if (link.value.length == 0) {
 366                 alert(__("Error: No feed URL given."));
 367         } else if (!isValidURL(link.value)) {
 368                 alert(__("Error: Invalid feed URL."));
 369         } else {
 370                 notify_progress("Adding feed...");
 371
 372                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&from=tt-rss&feed_url=" +
 373                         param_escape(link.value), true);
 374                 xmlhttp.onreadystatechange=feedlist_callback;
 375                 xmlhttp.send(null);
 376
 377                 link.value = "";
 378
 379         }
 380
 381 }
 382
 383 function addFeedCat() {
 384
 385         if (!xmlhttp_ready(xmlhttp)) {
 386                 printLockingError();
 387                 return
 388         }
 389
 390         var cat = document.getElementById("fadd_cat");
 391
 392         if (cat.value.length == 0) {
 393                 alert(__("Can't add category: no name specified."));
 394         } else {
 395                 notify_progress("Adding feed category...");
 396
 397                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=add&cat=" +
 398                         param_escape(cat.value), true);
 399                 xmlhttp.onreadystatechange=infobox_feed_cat_callback;
 400                 xmlhttp.send(null);
 401
 402                 link.value = "";
 403
 404         }
 405
 406 }
 407 function addUser() {
 408
 409         if (!xmlhttp_ready(xmlhttp)) {
 410                 printLockingError();
 411                 return
 412         }
 413
 414         var sqlexp = document.getElementById("uadd_box");
 415
 416         if (sqlexp.value.length == 0) {
 417                 alert(__("Can't add user: no login specified."));
 418         } else {
 419                 notify_progress("Adding user...");
 420
 421                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=add&login=" +
 422                         param_escape(sqlexp.value), true);
 423
 424                 xmlhttp.onreadystatechange=userlist_callback;
 425                 xmlhttp.send(null);
 426
 427                 sqlexp.value = "";
 428         }
 429
 430 }
 431
 432 function editUser(id) {
 433
 434         if (!xmlhttp_ready(xmlhttp)) {
 435                 printLockingError();
 436                 return
 437         }
 438
 439         disableHotkeys();
 440
 441         notify_progress("Loading, please wait...");
 442
 443         selectTableRowsByIdPrefix('prefUserList', 'UMRR-', 'UMCHK-', false);
 444         selectTableRowById('UMRR-'+id, 'UMCHK-'+id, true);
 445
 446         disableContainerChildren("userOpToolbar", false);
 447
 448         xmlhttp.open("GET", "backend.php?op=pref-users&subop=edit&id=" +
 449                 param_escape(id), true);
 450         xmlhttp.onreadystatechange=infobox_callback;
 451         xmlhttp.send(null);
 452
 453 }
 454
 455 function editFilter(id) {
 456
 457         if (!xmlhttp_ready(xmlhttp)) {
 458                 printLockingError();
 459                 return
 460         }
 461
 462         disableHotkeys();
 463
 464         notify_progress("Loading, please wait...");
 465
 466 //      document.getElementById("create_filter_btn").disabled = true;
 467
 468         disableContainerChildren("filterOpToolbar", false);
 469
 470         selectTableRowsByIdPrefix('prefFilterList', 'FILRR-', 'FICHK-', false);
 471         selectTableRowById('FILRR-'+id, 'FICHK-'+id, true);
 472
 473         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=edit&id=" + param_escape(id), true);
 474         xmlhttp.onreadystatechange=infobox_callback;
 475         xmlhttp.send(null);
 476 }
 477
 478 function editFeed(feed) {
 479
 480 //      notify("Editing feed...");
 481
 482         if (!xmlhttp_ready(xmlhttp)) {
 483                 printLockingError();
 484                 return
 485         }
 486
 487         disableHotkeys();
 488
 489         notify_progress("Loading, please wait...");
 490
 491 /*      document.getElementById("subscribe_to_feed_btn").disabled = true;
 492
 493         try {
 494                 document.getElementById("top25_feeds_btn").disabled = true;
 495         } catch (e) {
 496                 // this button is not always available, no-op if not found
 497         } */
 498
 499         // clean selection from all rows & select row being edited
 500         selectTableRowsByIdPrefix('prefFeedList', 'FEEDR-', 'FRCHK-', false);
 501         selectTableRowById('FEEDR-'+feed, 'FRCHK-'+feed, true);
 502
 503         disableContainerChildren("feedOpToolbar", false);
 504
 505         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 506                 param_escape(feed), true);
 507
 508         xmlhttp.onreadystatechange=infobox_callback;
 509         xmlhttp.send(null);
 510
 511 }
 512
 513 function editFeedCat(cat) {
 514
 515         if (!xmlhttp_ready(xmlhttp)) {
 516                 printLockingError();
 517                 return
 518         }
 519
 520         disableHotkeys();
 521
 522         notify_progress("Loading, please wait...");
 523
 524         active_feed_cat = cat;
 525
 526         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=edit&id=" +
 527                 param_escape(cat), true);
 528         xmlhttp.onreadystatechange=infobox_callback;
 529         xmlhttp.send(null);
 530
 531 }
 532
 533 function getSelectedLabels() {
 534         return getSelectedTableRowIds("prefLabelList", "LILRR");
 535 }
 536
 537 function getSelectedUsers() {
 538         return getSelectedTableRowIds("prefUserList", "UMRR");
 539 }
 540
 541 function getSelectedFeeds() {
 542         return getSelectedTableRowIds("prefFeedList", "FEEDR");
 543 }
 544
 545 function getSelectedFilters() {
 546         return getSelectedTableRowIds("prefFilterList", "FILRR");
 547 }
 548
 549 function getSelectedFeedCats() {
 550         return getSelectedTableRowIds("prefFeedCatList", "FCATR");
 551 }
 552
 553 function getSelectedFeedsFromBrowser() {
 554
 555         var list = document.getElementById("browseFeedList");
 556         if (!list) list = document.getElementById("browseBigFeedList");
 557
 558         var selected = new Array();
 559
 560         for (i = 0; i < list.childNodes.length; i++) {
 561                 var child = list.childNodes[i];
 562                 if (child.id && child.id.match("FBROW-")) {
 563                         var id = child.id.replace("FBROW-", "");
 564
 565                         var cb = document.getElementById("FBCHK-" + id);
 566
 567                         if (cb.checked) {
 568                                 selected.push(id);
 569                         }
 570                 }
 571         }
 572
 573         return selected;
 574 }
 575
 576 function removeSelectedLabels() {
 577
 578         if (!xmlhttp_ready(xmlhttp)) {
 579                 printLockingError();
 580                 return
 581         }
 582
 583         var sel_rows = getSelectedLabels();
 584
 585         if (sel_rows.length > 0) {
 586
 587                 var ok = confirm(__("Remove selected labels?"));
 588
 589                 if (ok) {
 590                         notify_progress("Removing selected labels...");
 591
 592                         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=remove&ids="+
 593                                 param_escape(sel_rows.toString()), true);
 594                         xmlhttp.onreadystatechange=labellist_callback;
 595                         xmlhttp.send(null);
 596                 }
 597         } else {
 598                 alert(__("No labels are selected."));
 599         }
 600
 601         return false;
 602 }
 603
 604 function removeSelectedUsers() {
 605
 606         if (!xmlhttp_ready(xmlhttp)) {
 607                 printLockingError();
 608                 return
 609         }
 610
 611         var sel_rows = getSelectedUsers();
 612
 613         if (sel_rows.length > 0) {
 614
 615                 var ok = confirm(__("Remove selected users?"));
 616
 617                 if (ok) {
 618                         notify_progress("Removing selected users...");
 619
 620                         xmlhttp.open("GET", "backend.php?op=pref-users&subop=remove&ids="+
 621                                 param_escape(sel_rows.toString()), true);
 622                         xmlhttp.onreadystatechange=userlist_callback;
 623                         xmlhttp.send(null);
 624                 }
 625
 626         } else {
 627                 alert(__("No users are selected."));
 628         }
 629
 630         return false;
 631 }
 632
 633 function removeSelectedFilters() {
 634
 635         if (!xmlhttp_ready(xmlhttp)) {
 636                 printLockingError();
 637                 return
 638         }
 639
 640         var sel_rows = getSelectedFilters();
 641
 642         if (sel_rows.length > 0) {
 643
 644                 var ok = confirm(__("Remove selected filters?"));
 645
 646                 if (ok) {
 647                         notify_progress("Removing selected filters...");
 648
 649                         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=remove&ids="+
 650                                 param_escape(sel_rows.toString()), true);
 651                         xmlhttp.onreadystatechange=filterlist_callback;
 652                         xmlhttp.send(null);
 653                 }
 654         } else {
 655                 alert(__("No filters are selected."));
 656         }
 657
 658         return false;
 659 }
 660
 661
 662 function removeSelectedFeeds() {
 663
 664         if (!xmlhttp_ready(xmlhttp)) {
 665                 printLockingError();
 666                 return
 667         }
 668
 669         var sel_rows = getSelectedFeeds();
 670
 671         if (sel_rows.length > 0) {
 672
 673                 var ok = confirm(__("Unsubscribe from selected feeds?"));
 674
 675                 if (ok) {
 676
 677                         notify_progress("Unsubscribing from selected feeds...");
 678
 679                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
 680                                 param_escape(sel_rows.toString()), true);
 681                         xmlhttp.onreadystatechange=feedlist_callback;
 682                         xmlhttp.send(null);
 683                 }
 684
 685         } else {
 686
 687                 alert(__("No feeds are selected."));
 688
 689         }
 690
 691         return false;
 692 }
 693
 694 function clearSelectedFeeds() {
 695
 696         if (!xmlhttp_ready(xmlhttp)) {
 697                 printLockingError();
 698                 return
 699         }
 700
 701         var sel_rows = getSelectedFeeds();
 702
 703         if (sel_rows.length > 1) {
 704                 alert(__("Please select only one feed."));
 705                 return;
 706         }
 707
 708         if (sel_rows.length > 0) {
 709
 710                 var ok = confirm(__("Erase all non-starred articles in selected feed?"));
 711
 712                 if (ok) {
 713                         notify_progress("Clearing selected feed...");
 714                         clearFeedArticles(sel_rows[0]);
 715                 }
 716
 717         } else {
 718
 719                 alert(__("No feeds are selected."));
 720
 721         }
 722
 723         return false;
 724 }
 725
 726 function purgeSelectedFeeds() {
 727
 728         if (!xmlhttp_ready(xmlhttp)) {
 729                 printLockingError();
 730                 return
 731         }
 732
 733         var sel_rows = getSelectedFeeds();
 734
 735         if (sel_rows.length > 0) {
 736
 737                 var pr = prompt(__("How many days of articles to keep (0 - use default)?"), "0");
 738
 739                 if (pr != undefined) {
 740                         notify_progress("Purging selected feed...");
 741
 742                         var query = "backend.php?op=rpc&subop=purge&ids="+
 743                                 param_escape(sel_rows.toString()) + "&days=" + pr;
 744
 745                         debug(query);
 746
 747                         new Ajax.Request(query, {
 748                                 onComplete: function(transport) {
 749                                         notify('');
 750                                 } });
 751                 }
 752
 753         } else {
 754
 755                 alert(__("No feeds are selected."));
 756
 757         }
 758
 759         return false;
 760 }
 761
 762 function removeSelectedFeedCats() {
 763
 764         if (!xmlhttp_ready(xmlhttp)) {
 765                 printLockingError();
 766                 return
 767         }
 768
 769         var sel_rows = getSelectedFeedCats();
 770
 771         if (sel_rows.length > 0) {
 772
 773                 var ok = confirm(__("Remove selected categories?"));
 774
 775                 if (ok) {
 776                         notify_progress("Removing selected categories...");
 777
 778                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=remove&ids="+
 779                                 param_escape(sel_rows.toString()), true);
 780                         xmlhttp.onreadystatechange=infobox_feed_cat_callback;
 781                         xmlhttp.send(null);
 782                 }
 783
 784         } else {
 785
 786                 alert(__("No categories are selected."));
 787
 788         }
 789
 790         return false;
 791 }
 792
 793 function feedEditCancel() {
 794
 795         if (!xmlhttp_ready(xmlhttp)) {
 796                 printLockingError();
 797                 return
 798         }
 799
 800         try {
 801                 document.getElementById("subscribe_to_feed_btn").disabled = false;
 802                 document.getElementById("top25_feeds_btn").disabled = false;
 803         } catch (e) {
 804                 // this button is not always available, no-op if not found
 805         }
 806
 807         closeInfoBox();
 808
 809         selectPrefRows('feed', false); // cleanup feed selection
 810
 811         return false;
 812 }
 813
 814 function feedCatEditCancel() {
 815
 816         if (!xmlhttp_ready(xmlhttp)) {
 817                 printLockingError();
 818                 return
 819         }
 820
 821         active_feed_cat = false;
 822
 823         try {
 824                 document.getElementById("subscribe_to_feed_btn").disabled = false;
 825                 document.getElementById("top25_feeds_btn").disabled = false;
 826         } catch (e) {
 827                 // this button is not always available, no-op if not found
 828         }
 829
 830         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
 831         xmlhttp.onreadystatechange=infobox_callback;
 832         xmlhttp.send(null);
 833
 834         return false;
 835 }
 836
 837 function feedEditSave() {
 838
 839         try {
 840
 841                 if (!xmlhttp_ready(xmlhttp)) {
 842                         printLockingError();
 843                         return
 844                 }
 845
 846                 // FIXME: add parameter validation
 847
 848                 var query = Form.serialize("edit_feed_form");
 849
 850                 notify_progress("Saving feed...");
 851
 852                 xmlhttp.open("POST", "backend.php", true);
 853                 xmlhttp.onreadystatechange=feedlist_callback;
 854                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 855                 xmlhttp.send(query);
 856
 857                 closeInfoBox();
 858
 859                 return false;
 860
 861         } catch (e) {
 862                 exception_error("feedEditSave", e);
 863         }
 864 }
 865
 866 function userEditCancel() {
 867
 868         if (!xmlhttp_ready(xmlhttp)) {
 869                 printLockingError();
 870                 return
 871         }
 872
 873         selectPrefRows('user', false); // cleanup feed selection
 874         closeInfoBox();
 875
 876         return false;
 877 }
 878
 879 function filterEditCancel() {
 880
 881         if (!xmlhttp_ready(xmlhttp)) {
 882                 printLockingError();
 883                 return
 884         }
 885
 886         try {
 887                 document.getElementById("create_filter_btn").disabled = false;
 888                 selectPrefRows('filter', false); // cleanup feed selection
 889         } catch (e) { }
 890
 891         closeInfoBox();
 892
 893         return false;
 894 }
 895
 896 function userEditSave() {
 897
 898         if (!xmlhttp_ready(xmlhttp)) {
 899                 printLockingError();
 900                 return
 901         }
 902
 903         var login = document.forms["user_edit_form"].login.value;
 904
 905         if (login.length == 0) {
 906                 alert(__("Login field cannot be blank."));
 907                 return;
 908         }
 909
 910         notify_progress("Saving user...");
 911
 912         closeInfoBox();
 913
 914         var query = Form.serialize("user_edit_form");
 915
 916         xmlhttp.open("GET", "backend.php?" + query, true);
 917         xmlhttp.onreadystatechange=userlist_callback;
 918         xmlhttp.send(null);
 919
 920         return false;
 921 }
 922
 923
 924 function filterEditSave() {
 925
 926         if (!xmlhttp_ready(xmlhttp)) {
 927                 printLockingError();
 928                 return
 929         }
 930
 931 /*      if (!is_opera()) {
 932                 var reg_exp = document.forms["filter_edit_form"].reg_exp.value;
 933
 934                 if (reg_exp.length == 0) {
 935                         alert("Filter expression field cannot be blank.");
 936                         return;
 937                 }
 938         } */
 939
 940         notify_progress("Saving filter...");
 941
 942         var query = Form.serialize("filter_edit_form");
 943
 944         closeInfoBox();
 945
 946         document.getElementById("create_filter_btn").disabled = false;
 947
 948         xmlhttp.open("GET", "backend.php?" + query, true);
 949         xmlhttp.onreadystatechange=filterlist_callback;
 950         xmlhttp.send(null);
 951
 952         return false;
 953 }
 954
 955
 956 function editSelectedUser() {
 957         var rows = getSelectedUsers();
 958
 959         if (rows.length == 0) {
 960                 alert(__("No users are selected."));
 961                 return;
 962         }
 963
 964         if (rows.length > 1) {
 965                 alert(__("Please select only one user."));
 966                 return;
 967         }
 968
 969         notify("");
 970
 971         editUser(rows[0]);
 972 }
 973
 974 function resetSelectedUserPass() {
 975         var rows = getSelectedUsers();
 976
 977         if (rows.length == 0) {
 978                 alert(__("No users are selected."));
 979                 return;
 980         }
 981
 982         if (rows.length > 1) {
 983                 alert(__("Please select only one user."));
 984                 return;
 985         }
 986
 987         var ok = confirm(__("Reset password of selected user?"));
 988
 989         if (ok) {
 990                 notify_progress("Resetting password for selected user...");
 991
 992                 var id = rows[0];
 993
 994                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=resetPass&id=" +
 995                         param_escape(id), true);
 996                 xmlhttp.onreadystatechange=userlist_callback;
 997                 xmlhttp.send(null);
 998         }
 999 }
1000
1001 function selectedUserDetails() {
1002
1003         if (!xmlhttp_ready(xmlhttp)) {
1004                 printLockingError();
1005                 return
1006         }
1007
1008         var rows = getSelectedUsers();
1009
1010         if (rows.length == 0) {
1011                 alert(__("No users are selected."));
1012                 return;
1013         }
1014
1015         if (rows.length > 1) {
1016                 alert(__("Please select only one user."));
1017                 return;
1018         }
1019
1020         notify_progress("Loading, please wait...");
1021
1022         var id = rows[0];
1023
1024         xmlhttp.open("GET", "backend.php?op=pref-users&subop=user-details&id=" + id, true);
1025         xmlhttp.onreadystatechange=infobox_callback;
1026         xmlhttp.send(null);
1027
1028 }
1029
1030 function selectedFeedDetails() {
1031
1032         if (!xmlhttp_ready(xmlhttp)) {
1033                 printLockingError();
1034                 return
1035         }
1036
1037         var rows = getSelectedFeeds();
1038
1039         if (rows.length == 0) {
1040                 alert(__("No feeds are selected."));
1041                 return;
1042         }
1043
1044         if (rows.length > 1) {
1045                 alert(__("Please select only one feed."));
1046                 return;
1047         }
1048
1049 //      var id = rows[0];
1050
1051         notify("");
1052
1053         xmlhttp.open("GET", "backend.php?op=feed-details&id=" +
1054                 param_escape(rows.toString()), true);
1055         xmlhttp.onreadystatechange=infobox_callback;
1056         xmlhttp.send(null);
1057
1058 }
1059
1060 function editSelectedFilter() {
1061         var rows = getSelectedFilters();
1062
1063         if (rows.length == 0) {
1064                 alert(__("No filters are selected."));
1065                 return;
1066         }
1067
1068         if (rows.length > 1) {
1069                 alert(__("Please select only one filter."));
1070                 return;
1071         }
1072
1073         notify("");
1074
1075         editFilter(rows[0]);
1076
1077 }
1078
1079
1080 function editSelectedFeed() {
1081         var rows = getSelectedFeeds();
1082
1083         if (rows.length == 0) {
1084                 alert(__("No feeds are selected."));
1085                 return;
1086         }
1087
1088         if (rows.length > 1) {
1089                 alert(__("Please select one feed."));
1090                 return;
1091         }
1092
1093         notify("");
1094
1095         editFeed(rows[0]);
1096
1097 }
1098
1099 function editSelectedFeeds() {
1100
1101         if (!xmlhttp_ready(xmlhttp)) {
1102                 printLockingError();
1103                 return
1104         }
1105
1106         var rows = getSelectedFeeds();
1107
1108         if (rows.length == 0) {
1109                 alert(__("No feeds are selected."));
1110                 return;
1111         }
1112
1113         notify("");
1114
1115         disableHotkeys();
1116
1117         notify_progress("Loading, please wait...");
1118
1119         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeeds&ids=" +
1120                 param_escape(rows.toString()), true);
1121
1122         xmlhttp.onreadystatechange=infobox_callback;
1123         xmlhttp.send(null);
1124
1125 }
1126
1127 function editSelectedFeedCat() {
1128         var rows = getSelectedFeedCats();
1129
1130         if (rows.length == 0) {
1131                 alert(__("No categories are selected."));
1132                 return;
1133         }
1134
1135         if (rows.length > 1) {
1136                 alert(__("Please select only one category."));
1137                 return;
1138         }
1139
1140         notify("");
1141
1142         editFeedCat(rows[0]);
1143
1144 }
1145
1146 function piggie(enable) {
1147         if (enable) {
1148                 debug("I LOVEDED IT!");
1149                 var piggie = document.getElementById("piggie");
1150
1151                 Element.show(piggie);
1152                 Position.Center(piggie);
1153                 Effect.Puff(piggie);
1154
1155         }
1156 }
1157
1158 function validateOpmlImport() {
1159
1160         var opml_file = document.getElementById("opml_file");
1161
1162         if (opml_file.value.length == 0) {
1163                 alert(__("No OPML file to upload."));
1164                 return false;
1165         } else {
1166                 return true;
1167         }
1168 }
1169
1170 function updateFilterList(sort_key) {
1171
1172         if (!xmlhttp_ready(xmlhttp)) {
1173                 printLockingError();
1174                 return
1175         }
1176
1177         var filter_search = document.getElementById("filter_search");
1178         var search = "";
1179         if (filter_search) { search = filter_search.value; }
1180
1181         xmlhttp.open("GET", "backend.php?op=pref-filters&sort=" +
1182                 param_escape(sort_key) +
1183                 "&search=" + param_escape(search), true);
1184         xmlhttp.onreadystatechange=filterlist_callback;
1185         xmlhttp.send(null);
1186
1187 }
1188
1189 function updateLabelList(sort_key) {
1190
1191         if (!xmlhttp_ready(xmlhttp)) {
1192                 printLockingError();
1193                 return
1194         }
1195
1196         var label_search = document.getElementById("label_search");
1197         var search = "";
1198         if (label_search) { search = label_search.value; }
1199
1200         xmlhttp.open("GET", "backend.php?op=pref-labels&sort=" +
1201                 param_escape(sort_key) +
1202                 "&search=" + param_escape(search), true);
1203         xmlhttp.onreadystatechange=labellist_callback;
1204         xmlhttp.send(null);
1205 }
1206
1207 function updatePrefsList() {
1208
1209         if (!xmlhttp_ready(xmlhttp)) {
1210                 printLockingError();
1211                 return
1212         }
1213
1214         xmlhttp.open("GET", "backend.php?op=pref-prefs", true);
1215         xmlhttp.onreadystatechange=prefslist_callback;
1216         xmlhttp.send(null);
1217
1218 }
1219
1220 function selectTab(id, noupdate, subop) {
1221
1222 //      alert(id);
1223
1224         if (!id) id = active_tab;
1225
1226         try {
1227
1228                 if (!xmlhttp_ready(xmlhttp)) {
1229                         printLockingError();
1230                         return
1231                 }
1232
1233                 try {
1234                         var c = document.getElementById('prefContent');
1235                         c.scrollTop = 0;
1236                 } catch (e) { };
1237
1238                 if (!noupdate) {
1239
1240                         debug("selectTab: " + id + "(NU: " + noupdate + ")");
1241
1242                         notify_progress("Loading, please wait...");
1243
1244                         // close active infobox if needed
1245                         closeInfoBox();
1246
1247                         // clean up all current selections, just in case
1248                         active_feed_cat = false;
1249
1250 //                      Effect.Fade("prefContent", {duration: 1, to: 0.01,
1251 //                              queue: { position:'end', scope: 'FEED_TAB', limit: 1 } } );
1252
1253                         if (id == "feedConfig") {
1254                                 updateFeedList();
1255                         } else if (id == "filterConfig") {
1256                                 updateFilterList();
1257                         } else if (id == "labelConfig") {
1258                                 updateLabelList();
1259                         } else if (id == "genConfig") {
1260                                 updatePrefsList();
1261                         } else if (id == "userConfig") {
1262                                 updateUsersList();
1263                         } else if (id == "feedBrowser") {
1264                                 updateBigFeedBrowser();
1265                         }
1266                 }
1267
1268                 /* clean selection from all tabs */
1269
1270                 var tabs_holder = document.getElementById("prefTabs");
1271                 var tab = tabs_holder.firstChild;
1272
1273                 while (tab) {
1274                         if (tab.className && tab.className.match("prefsTabSelected")) {
1275                                 tab.className = "prefsTab";
1276                         }
1277                         tab = tab.nextSibling;
1278                 }
1279
1280                 /* mark new tab as selected */
1281
1282                 tab = document.getElementById(id + "Tab");
1283
1284                 if (tab) {
1285                         if (!tab.className.match("Selected")) {
1286                                 tab.className = tab.className + "Selected";
1287                         }
1288                 }
1289
1290                 active_tab = id;
1291
1292         } catch (e) {
1293                 exception_error("selectTab", e);
1294         }
1295 }
1296
1297 function backend_sanity_check_callback() {
1298
1299         if (xmlhttp.readyState == 4) {
1300
1301                 try {
1302
1303                         if (sanity_check_done) {
1304                                 fatalError(11, "Sanity check request received twice. This can indicate "+
1305                               "presence of Firebug or some other disrupting extension. "+
1306                                         "Please disable it and try again.");
1307                                 return;
1308                         }
1309
1310                         if (!xmlhttp.responseXML) {
1311                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
1312                                 return;
1313                         }
1314
1315                         var reply = xmlhttp.responseXML.firstChild.firstChild;
1316
1317                         if (!reply) {
1318                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
1319                                 return;
1320                         }
1321
1322                         var error_code = reply.getAttribute("error-code");
1323
1324                         if (error_code && error_code != 0) {
1325                                 return fatalError(error_code, reply.getAttribute("error-msg"));
1326                         }
1327
1328                         debug("sanity check ok");
1329
1330                         var params = reply.nextSibling;
1331
1332                         if (params) {
1333                                 debug('reading init-params...');
1334                                 var param = params.firstChild;
1335
1336                                 while (param) {
1337                                         var k = param.getAttribute("key");
1338                                         var v = param.getAttribute("value");
1339                                         debug(k + " => " + v);
1340                                         init_params[k] = v;
1341                                         param = param.nextSibling;
1342                                 }
1343                         }
1344
1345                         sanity_check_done = true;
1346
1347                         init_second_stage();
1348
1349                 } catch (e) {
1350                         exception_error("backend_sanity_check_callback", e);
1351                 }
1352         }
1353 }
1354
1355 function init_second_stage() {
1356
1357         try {
1358                 active_tab = getInitParam("prefs_active_tab");
1359                 if (!active_tab || active_tab == '0') active_tab = "genConfig";
1360
1361                 document.onkeydown = pref_hotkey_handler;
1362
1363                 var tab = getURLParam('tab');
1364
1365                 caller_subop = getURLParam('subop');
1366
1367                 if (tab) {
1368                         active_tab = tab;
1369                 }
1370
1371                 if (navigator.userAgent.match("Opera")) {
1372                         setTimeout("selectTab()", 500);
1373                 } else {
1374                         selectTab(active_tab);
1375                 }
1376                 notify("");
1377
1378                 loading_set_progress(60);
1379
1380         } catch (e) {
1381                 exception_error("init_second_stage", e);
1382         }
1383 }
1384
1385 function init() {
1386
1387         try {
1388
1389                 if (arguments.callee.done) return;
1390                 arguments.callee.done = true;
1391
1392                 if (getURLParam('debug')) {
1393                         Element.show("debug_output");
1394                         debug('debug mode activated');
1395                 }
1396
1397                 // IE kludge
1398                 if (!xmlhttp) {
1399                         document.getElementById("prefContent").innerHTML =
1400                                 "<b>Fatal error:</b> This program needs XmlHttpRequest " +
1401                                 "to function properly. Your browser doesn't seem to support it.";
1402                         return;
1403                 }
1404
1405                 loading_set_progress(30);
1406
1407                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
1408                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
1409                 xmlhttp.send(null);
1410
1411         } catch (e) {
1412                 exception_error("init", e);
1413         }
1414 }
1415
1416 function categorizeSelectedFeeds() {
1417
1418         if (!xmlhttp_ready(xmlhttp)) {
1419                 printLockingError();
1420                 return
1421         }
1422
1423         var sel_rows = getSelectedFeeds();
1424
1425         var cat_sel = document.getElementById("sfeed_set_fcat");
1426         var cat_id = cat_sel[cat_sel.selectedIndex].value;
1427
1428         if (sel_rows.length > 0) {
1429
1430                 notify_progress("Changing category of selected feeds...");
1431
1432                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=categorize&ids="+
1433                         param_escape(sel_rows.toString()) + "&cat_id=" + param_escape(cat_id), true);
1434                 xmlhttp.onreadystatechange=feedlist_callback;
1435                 xmlhttp.send(null);
1436
1437         } else {
1438
1439                 alert(__("No feeds are selected."));
1440
1441         }
1442
1443 }
1444
1445 function validatePrefsReset() {
1446         try {
1447                 var ok = confirm(__("Reset to defaults?"));
1448
1449                 if (ok) {
1450
1451                         var query = Form.serialize("pref_prefs_form");
1452                         query = query + "&subop=reset-config";
1453                         debug(query);
1454
1455                         xmlhttp.open("POST", "backend.php", true);
1456                         xmlhttp.onreadystatechange=prefs_reset_callback;
1457                         xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1458                         xmlhttp.send(query);
1459                 }
1460
1461         } catch (e) {
1462                 exception_error("validatePrefsSave", e);
1463         }
1464
1465         return false;
1466
1467 }
1468
1469 function browseFeeds(limit) {
1470
1471         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=browse", true);
1472         xmlhttp.onreadystatechange=infobox_callback;
1473         xmlhttp.send(null);
1474
1475 }
1476
1477 function feedBrowserSubscribe() {
1478         try {
1479
1480                 var selected = getSelectedFeedsFromBrowser();
1481
1482                 if (selected.length > 0) {
1483                         closeInfoBox();
1484                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=massSubscribe&ids="+
1485                                 param_escape(selected.toString()), true);
1486                         xmlhttp.onreadystatechange=feedlist_callback;
1487                         xmlhttp.send(null);
1488                 } else {
1489                         alert(__("No feeds are selected."));
1490                 }
1491
1492         } catch (e) {
1493                 exception_error("feedBrowserSubscribe", e);
1494         }
1495 }
1496
1497 function updateBigFeedBrowserBtn() {
1498         notify_progress("Loading, please wait...");
1499         return updateBigFeedBrowser();
1500 }
1501
1502 function updateBigFeedBrowser(limit, from_button) {
1503
1504         if (!xmlhttp_ready(xmlhttp)) {
1505                 printLockingError();
1506                 return
1507         }
1508
1509         var query = "backend.php?op=pref-feed-browser";
1510
1511         var limit_sel = document.getElementById("feedBrowserLimit");
1512
1513         if (limit_sel) {
1514                 var limit = limit_sel[limit_sel.selectedIndex].value;
1515                 query = query + "&limit=" + param_escape(limit);
1516         }
1517
1518         var search = document.getElementById("feed_browser_search");
1519
1520         if (search) {
1521                 query = query + "&search=" + param_escape(search.value);
1522         }
1523
1524         xmlhttp.open("GET", query, true);
1525         xmlhttp.onreadystatechange=feed_browser_callback;
1526         xmlhttp.send(null);
1527 }
1528
1529 function browserToggleExpand(id) {
1530         try {
1531 /*              if (feed_to_expand && feed_to_expand != id) {
1532                         var d = document.getElementById("BRDET-" + feed_to_expand);
1533                         d.style.display = "none";
1534                 } */
1535
1536                 if (!xmlhttp_ready(xmlhttp)) {
1537                         printLockingError();
1538                         return
1539                 }
1540
1541 /*              if (feed_to_expand && id != feed_to_expand) {
1542                         Effect.Fade('BRDET-' + feed_to_expand, {duration : 0.5});
1543                 } */
1544
1545                 var d = document.getElementById("BRDET-" + id);
1546
1547                 notify_progress("Loading, please wait...");
1548
1549                 if (Element.visible(d)) {
1550                         Effect.Fade(d, {duration : 0.5});
1551                 } else {
1552                         feed_to_expand = id;
1553
1554                         xmlhttp.open("GET", "backend.php?op=pref-feed-browser&subop=details&id="
1555                                 + param_escape(id), true);
1556                         xmlhttp.onreadystatechange=expand_feed_callback;
1557                         xmlhttp.send(null);
1558                 }
1559
1560         } catch (e) {
1561                 exception_error("browserToggleExpand", e);
1562         }
1563 }
1564
1565 function selectPrefRows(kind, select) {
1566
1567         if (kind) {
1568                 var opbarid = false;
1569                 var nchk = false;
1570                 var nrow = false;
1571                 var lname = false;
1572
1573                 if (kind == "feed") {
1574                         opbarid = "feedOpToolbar";
1575                         nrow = "FEEDR-";
1576                         nchk = "FRCHK-";
1577                         lname = "prefFeedList";
1578                 } else if (kind == "fcat") {
1579                         opbarid = "catOpToolbar";
1580                         nrow = "FCATR-";
1581                         nchk = "FCCHK-";
1582                         lname = "prefFeedCatList";
1583                 } else if (kind == "filter") {
1584                         opbarid = "filterOpToolbar";
1585                         nrow = "FILRR-";
1586                         nchk = "FICHK-";
1587                         lname = "prefFilterList";
1588                 } else if (kind == "label") {
1589                         opbarid = "labelOpToolbar";
1590                         nrow = "LILRR-";
1591                         nchk = "LICHK-";
1592                         lname = "prefLabelList";
1593                 } else if (kind == "user") {
1594                         opbarid = "userOpToolbar";
1595                         nrow = "UMRR-";
1596                         nchk = "UMCHK-";
1597                         lname = "prefUserList";
1598                 }
1599
1600                 if (opbarid) {
1601                         selectTableRowsByIdPrefix(lname, nrow, nchk, select);
1602                         disableContainerChildren(opbarid, !select);
1603                 }
1604
1605         }
1606 }
1607
1608
1609 function toggleSelectPrefRow(sender, kind) {
1610
1611         toggleSelectRow(sender);
1612
1613         if (kind) {
1614                 var opbarid = false;
1615                 var nsel = -1;
1616
1617                 if (kind == "feed") {
1618                         opbarid = "feedOpToolbar";
1619                         nsel = getSelectedFeeds();
1620                 } else if (kind == "fcat") {
1621                         opbarid = "catOpToolbar";
1622                         nsel = getSelectedFeedCats();
1623                 } else if (kind == "filter") {
1624                         opbarid = "filterOpToolbar";
1625                         nsel = getSelectedFilters();
1626                 } else if (kind == "label") {
1627                         opbarid = "labelOpToolbar";
1628                         nsel = getSelectedLabels();
1629                 } else if (kind == "user") {
1630                         opbarid = "userOpToolbar";
1631                         nsel = getSelectedUsers();
1632                 }
1633
1634                 if (opbarid && nsel != -1) {
1635                         disableContainerChildren(opbarid, nsel == false);
1636                 }
1637
1638         }
1639 }
1640
1641 function toggleSelectFBListRow(sender) {
1642         toggleSelectListRow(sender);
1643         disableContainerChildren("fbrOpToolbar", getSelectedFeedsFromBrowser() == 0);
1644 }
1645
1646 var seq = "";
1647
1648 function pref_hotkey_handler(e) {
1649         try {
1650
1651                 var keycode;
1652                 var shift_key = false;
1653
1654                 try {
1655                         shift_key = e.shiftKey;
1656                 } catch (e) {
1657
1658                 }
1659
1660                 if (window.event) {
1661                         keycode = window.event.keyCode;
1662                 } else if (e) {
1663                         keycode = e.which;
1664                 }
1665
1666                 var keychar = String.fromCharCode(keycode);
1667
1668                 if (keycode == 27) { // escape
1669                         if (Element.visible("hotkey_help_overlay")) {
1670                                 Element.hide("hotkey_help_overlay");
1671                         }
1672                         hotkey_prefix = false;
1673                         closeInfoBox();
1674                 }
1675
1676                 if (!hotkeys_enabled) {
1677                         debug("hotkeys disabled");
1678                         return;
1679                 }
1680
1681                 if (keycode == 16) return; // ignore lone shift
1682
1683                 if ((keycode == 67 || keycode == 71) && !hotkey_prefix) {
1684                         hotkey_prefix = keycode;
1685                         debug("KP: PREFIX=" + keycode + " CHAR=" + keychar);
1686                         return;
1687                 }
1688
1689                 if (Element.visible("hotkey_help_overlay")) {
1690                         Element.hide("hotkey_help_overlay");
1691                 }
1692
1693                 if (keycode == 13 || keycode == 27) {
1694                         seq = "";
1695                 } else {
1696                         seq = seq + "" + keycode;
1697                 }
1698
1699                 /* Global hotkeys */
1700
1701                 if (!hotkey_prefix) {
1702
1703                         if (keycode == 68 && shift_key) { // d
1704                                 if (!Element.visible("debug_output")) {
1705                                         Element.show("debug_output");
1706                                         debug('debug mode activated');
1707                                 } else {
1708                                         Element.hide("debug_output");
1709                                 }
1710                                 return;
1711                         }
1712
1713                         if ((keycode == 191 || keychar == '?') && shift_key) { // ?
1714                                 if (!Element.visible("hotkey_help_overlay")) {
1715                                         //Element.show("hotkey_help_overlay");
1716                                         Effect.Appear("hotkey_help_overlay", {duration : 0.3});
1717                                 } else {
1718                                         Element.hide("hotkey_help_overlay");
1719                                 }
1720                                 return false;
1721                         }
1722
1723                         if (keycode == 191 || keychar == '/') { // /
1724                                 var search_boxes = new Array("label_search",
1725                                         "feed_search", "filter_search", "user_search", "feed_browser_search");
1726
1727                                 for (var i = 0; i < search_boxes.length; i++) {
1728                                         var elem = document.getElementById(search_boxes[i]);
1729                                         if (elem) {
1730                                                 focus_element(search_boxes[i]);
1731                                                 return false;
1732                                         }
1733                                 }
1734                         }
1735                 }
1736
1737                 /* Prefix c */
1738
1739                 if (hotkey_prefix == 67) { // c
1740                         hotkey_prefix = false;
1741
1742                         if (keycode == 70) { // f
1743                                 displayDlg("quickAddFilter");
1744                                 return false;
1745                         }
1746
1747                         if (keycode == 83) { // s
1748                                 displayDlg("quickAddFeed");
1749                                 return false;
1750                         }
1751
1752 /*                      if (keycode == 76) { // l
1753                                 displayDlg("quickAddLabel");
1754                                 return false;
1755                         } */
1756
1757                         if (keycode == 85) { // u
1758                                 // no-op
1759                         }
1760
1761                         if (keycode == 67) { // c
1762                                 editFeedCats();
1763                                 return false;
1764                         }
1765
1766                         if (keycode == 84 && shift_key) { // T
1767                                 browseFeeds();
1768                                 return false;
1769                         }
1770
1771                 }
1772
1773                 /* Prefix g */
1774
1775                 if (hotkey_prefix == 71) { // g
1776
1777                         hotkey_prefix = false;
1778
1779                         if (keycode == 49 && document.getElementById("genConfigTab")) { // 1
1780                                 selectTab("genConfig");
1781                                 return false;
1782                         }
1783
1784                         if (keycode == 50 && document.getElementById("feedConfigTab")) { // 2
1785                                 selectTab("feedConfig");
1786                                 return false;
1787                         }
1788
1789                         if (keycode == 51 && document.getElementById("feedBrowserTab")) { // 3
1790                                 selectTab("feedBrowser");
1791                                 return false;
1792                         }
1793
1794                         if (keycode == 52 && document.getElementById("filterConfigTab")) { // 4
1795                                 selectTab("filterConfig");
1796                                 return false;
1797                         }
1798
1799                         if (keycode == 53 && document.getElementById("labelConfigTab")) { // 5
1800                                 selectTab("labelConfig");
1801                                 return false;
1802                         }
1803
1804                         if (keycode == 54 && document.getElementById("userConfigTab")) { // 6
1805                                 selectTab("userConfig");
1806                                 return false;
1807                         }
1808
1809                         if (keycode == 88) { // x
1810                                 return gotoMain();
1811                         }
1812
1813                 }
1814
1815                 if (document.getElementById("piggie")) {
1816
1817                         if (seq.match("807371717369")) {
1818                                 seq = "";
1819                                 piggie(true);
1820                         } else {
1821                                 piggie(false);
1822                         }
1823                 }
1824
1825                 if (hotkey_prefix) {
1826                         debug("KP: PREFIX=" + hotkey_prefix + " CODE=" + keycode + " CHAR=" + keychar);
1827                 } else {
1828                         debug("KP: CODE=" + keycode + " CHAR=" + keychar);
1829                 }
1830
1831         } catch (e) {
1832                 exception_error("pref_hotkey_handler", e);
1833         }
1834 }
1835
1836 function editFeedCats() {
1837         if (!xmlhttp_ready(xmlhttp)) {
1838                 printLockingError();
1839                 return
1840         }
1841
1842         document.getElementById("subscribe_to_feed_btn").disabled = true;
1843
1844         try {
1845                 document.getElementById("top25_feeds_btn").disabled = true;
1846         } catch (e) {
1847                 // this button is not always available, no-op if not found
1848         }
1849
1850         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
1851         xmlhttp.onreadystatechange=infobox_feed_cat_callback;
1852         xmlhttp.send(null);
1853 }
1854
1855 function showFeedsWithErrors() {
1856         displayDlg('feedUpdateErrors');
1857 }
1858
1859 function changeUserPassword() {
1860
1861         try {
1862
1863                 if (!xmlhttp_ready(xmlhttp)) {
1864                         printLockingError();
1865                         return false;
1866                 }
1867
1868                 var f = document.forms["change_pass_form"];
1869
1870                 if (f) {
1871                         if (f.OLD_PASSWORD.value == "") {
1872                                 new Effect.Highlight(f.OLD_PASSWORD);
1873                                 notify_error("Old password cannot be blank.");
1874                                 return false;
1875                         }
1876
1877                         if (f.NEW_PASSWORD.value == "") {
1878                                 new Effect.Highlight(f.NEW_PASSWORD);
1879                                 notify_error("New password cannot be blank.");
1880                                 return false;
1881                         }
1882
1883                         if (f.CONFIRM_PASSWORD.value == "") {
1884                                 new Effect.Highlight(f.CONFIRM_PASSWORD);
1885                                 notify_error("Entered passwords do not match.");
1886                                 return false;
1887                         }
1888
1889                         if (f.CONFIRM_PASSWORD.value != f.NEW_PASSWORD.value) {
1890                                 new Effect.Highlight(f.CONFIRM_PASSWORD);
1891                                 new Effect.Highlight(f.NEW_PASSWORD);
1892                                 notify_error("Entered passwords do not match.");
1893                                 return false;
1894                         }
1895
1896                 }
1897
1898                 var query = Form.serialize("change_pass_form");
1899
1900                 notify_progress("Trying to change password...");
1901
1902                 xmlhttp.open("POST", "backend.php", true);
1903                 xmlhttp.onreadystatechange=changepass_callback;
1904                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1905                 xmlhttp.send(query);
1906
1907         } catch (e) {
1908                 exception_error("changeUserPassword", e);
1909         }
1910
1911         return false;
1912 }
1913
1914 function changeUserEmail() {
1915
1916         try {
1917
1918                 if (!xmlhttp_ready(xmlhttp)) {
1919                         printLockingError();
1920                         return false;
1921                 }
1922
1923                 var query = Form.serialize("change_email_form");
1924
1925                 notify_progress("Trying to change e-mail...");
1926
1927                 xmlhttp.open("POST", "backend.php", true);
1928                 xmlhttp.onreadystatechange=notify_callback;
1929                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1930                 xmlhttp.send(query);
1931
1932         } catch (e) {
1933                 exception_error("changeUserPassword", e);
1934         }
1935
1936         return false;
1937
1938 }
1939
1940 function feedlistToggleSLAT() {
1941         notify_progress("Loading, please wait...");
1942         updateFeedList()
1943 }
1944
1945 function pubRegenKey() {
1946
1947         if (!xmlhttp_ready(xmlhttp)) {
1948                 printLockingError();
1949                 return false;
1950         }
1951
1952         var ok = confirm(__("Replace current publishing address with a new one?"));
1953
1954         if (ok) {
1955
1956                 notify_progress("Trying to change address...");
1957
1958                 xmlhttp.open("GET", "backend.php?op=rpc&subop=regenPubKey");
1959                 xmlhttp.onreadystatechange=replace_pubkey_callback;
1960                 xmlhttp.send(null);
1961         }
1962
1963         return false;
1964 }
1965
1966 function pubToClipboard() {
1967
1968         try {
1969
1970                 if (!xmlhttp_ready(xmlhttp)) {
1971                         printLockingError();
1972                         return false;
1973                 }
1974
1975                 var link = document.getElementById("pubGenAddress");
1976                 alert(link.href);
1977
1978         } catch (e) {
1979                 exception_error("pubToClipboard", e);
1980         }
1981
1982         return false;
1983 }
1984
1985 function validatePrefsSave() {
1986         try {
1987
1988                 var ok = confirm(__("Save current configuration?"));
1989
1990                 if (ok) {
1991
1992                         var query = Form.serialize("pref_prefs_form");
1993                         query = query + "&subop=save-config";
1994                         debug(query);
1995
1996                         xmlhttp.open("POST", "backend.php", true);
1997                         xmlhttp.onreadystatechange=notify_callback;
1998                         xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1999                         xmlhttp.send(query);
2000                 }
2001
2002         } catch (e) {
2003                 exception_error("validatePrefsSave", e);
2004         }
2005
2006         return false;
2007 }
2008
2009 function feedActionChange() {
2010         try {
2011                 var chooser = document.getElementById("feedActionChooser");
2012                 var opid = chooser[chooser.selectedIndex].value;
2013
2014                 chooser.selectedIndex = 0;
2015                 feedActionGo(opid);
2016         } catch (e) {
2017                 exception_error("feedActionChange", e);
2018         }
2019 }
2020
2021 function feedActionGo(op) {
2022         try {
2023                 if (op == "facEdit") {
2024
2025                         var rows = getSelectedFeeds();
2026
2027                         if (rows.length > 1) {
2028                                 editSelectedFeeds();
2029                         } else {
2030                                 editSelectedFeed();
2031                         }
2032                 }
2033
2034                 if (op == "facClear") {
2035                         clearSelectedFeeds();
2036                 }
2037
2038                 if (op == "facPurge") {
2039                         purgeSelectedFeeds();
2040                 }
2041
2042                 if (op == "facEditCats") {
2043                         editFeedCats();
2044                 }
2045
2046                 if (op == "facRescore") {
2047                         rescoreSelectedFeeds();
2048                 }
2049
2050                 if (op == "facUnsubscribe") {
2051                         removeSelectedFeeds();
2052                 }
2053
2054         } catch (e) {
2055                 exception_error("feedActionGo", e);
2056
2057         }
2058 }
2059
2060 function clearFeedArticles(feed_id) {
2061
2062         notify_progress("Clearing feed...");
2063
2064         var query = "backend.php?op=pref-feeds&quiet=1&subop=clear&id=" + feed_id;
2065
2066         new Ajax.Request(query, {
2067                 onComplete: function(transport) {
2068                                 notify('');
2069                         } });
2070
2071         return false;
2072 }
2073
2074 function rescoreSelectedFeeds() {
2075
2076         if (!xmlhttp_ready(xmlhttp)) {
2077                 printLockingError();
2078                 return
2079         }
2080
2081         var sel_rows = getSelectedFeeds();
2082
2083         if (sel_rows.length > 0) {
2084
2085                 //var ok = confirm(__("Rescore last 100 articles in selected feeds?"));
2086                 var ok = confirm(__("Rescore articles in selected feeds?"));
2087
2088                 if (ok) {
2089                         notify_progress("Rescoring selected feeds...", true);
2090
2091                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=rescore&quiet=1&ids="+
2092                                 param_escape(sel_rows.toString()), true);
2093                         xmlhttp.onreadystatechange=notify_callback;
2094                         xmlhttp.send(null);
2095                 }
2096         } else {
2097                 alert(__("No feeds are selected."));
2098         }
2099
2100         return false;
2101 }
2102
2103 function rescore_all_feeds() {
2104                 var ok = confirm(__("Rescore all articles? This operation may take a lot of time."));
2105
2106                 if (ok) {
2107                         notify_progress("Rescoring feeds...", true);
2108
2109                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=rescoreAll&quiet=1", true);
2110                         xmlhttp.onreadystatechange=notify_callback;
2111                         xmlhttp.send(null);
2112                 }
2113 }
2114
2115 function removeFilter(id, title) {
2116
2117         if (!xmlhttp_ready(xmlhttp)) {
2118                 printLockingError();
2119                 return
2120         }
2121
2122         var msg = __("Remove filter %s?").replace("%s", title);
2123
2124         var ok = confirm(msg);
2125
2126         if (ok) {
2127                 closeInfoBox();
2128
2129                 notify_progress("Removing filter...");
2130
2131                 xmlhttp.open("GET", "backend.php?op=pref-filters&subop=remove&ids="+
2132                         param_escape(id), true);
2133                 xmlhttp.onreadystatechange=filterlist_callback;
2134                 xmlhttp.send(null);
2135         }
2136
2137         return false;
2138 }
2139
2140 function unsubscribeFeed(id, title) {
2141
2142         if (!xmlhttp_ready(xmlhttp)) {
2143                 printLockingError();
2144                 return
2145         }
2146
2147         var msg = __("Unsubscribe from %s?").replace("%s", title);
2148
2149         var ok = confirm(msg);
2150
2151         if (ok) {
2152                 closeInfoBox();
2153
2154                 notify_progress("Removing feed...");
2155
2156                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
2157                         param_escape(id), true);
2158                 xmlhttp.onreadystatechange=filterlist_callback;
2159                 xmlhttp.send(null);
2160         }
2161
2162         return false;
2163
2164         return false;
2165
2166 }
2167
2168 function feedsEditSave() {
2169         try {
2170
2171                 if (!xmlhttp_ready(xmlhttp)) {
2172                         printLockingError();
2173                         return
2174                 }
2175
2176                 var ok = confirm(__("Save changes to selected feeds?"));
2177
2178                 if (ok) {
2179
2180                         var f = document.forms["batch_edit_feed_form"];
2181
2182                         var query = Form.serialize("batch_edit_feed_form");
2183
2184                         /* Form.serialize ignores unchecked checkboxes */
2185
2186                         if (!query.match("&hidden=") &&
2187                                         f.hidden.disabled == false) {
2188                                 query = query + "&hidden=false";
2189                         }
2190
2191                         if (!query.match("&rtl_content=") &&
2192                                         f.rtl_content.disabled == false) {
2193                                 query = query + "&rtl_content=false";
2194                         }
2195
2196                         if (!query.match("&private=") &&
2197                                         f.private.disabled == false) {
2198                                 query = query + "&private=false";
2199                         }
2200
2201                         if (!query.match("&cache_images=") &&
2202                                         f.cache_images.disabled == false) {
2203                                 query = query + "&cache_images=false";
2204                         }
2205
2206                         if (!query.match("&include_in_digest=") &&
2207                                         f.include_in_digest.disabled == false) {
2208                                 query = query + "&include_in_digest=false";
2209                         }
2210
2211                         closeInfoBox();
2212
2213                         notify_progress("Saving feeds...");
2214
2215                         xmlhttp.open("POST", "backend.php", true);
2216                         xmlhttp.onreadystatechange=feedlist_callback;
2217                         xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
2218                         xmlhttp.send(query);
2219                 }
2220
2221                 return false;
2222         } catch (e) {
2223                 exception_error("feedsEditSave", e);
2224         }
2225 }
2226
2227 function batchFeedsToggleField(cb, elem, label) {
2228         try {
2229                 var f = document.forms["batch_edit_feed_form"];
2230                 var l = document.getElementById(label);
2231
2232                 if (cb.checked) {
2233                         f[elem].disabled = false;
2234
2235                         if (l) {
2236                                 l.className = "";
2237                         };
2238
2239 //                      new Effect.Highlight(f[elem], {duration: 1, startcolor: "#fff7d5",
2240 //                              queue: { position:'end', scope: 'BPEFQ', limit: 1 } } );
2241
2242                 } else {
2243                         f[elem].disabled = true;
2244
2245                         if (l) {
2246                                 l.className = "insensitive";
2247                         };
2248
2249                 }
2250         } catch (e) {
2251                 exception_error("batchFeedsToggleField", e);
2252         }
2253 }
2254