prefs.js

   1 var active_feed_cat = false;
   2 var active_tab = false;
   3
   4 var init_params = new Array();
   5
   6 var caller_subop = false;
   7 var sanity_check_done = false;
   8 var hotkey_prefix = false;
   9 var hotkey_prefix_pressed = false;
  10
  11 var color_picker_active = false;
  12 var selection_disabled = false;
  13 var mouse_is_down = false;
  14
  15 function replace_pubkey_callback(transport) {
  16         try {
  17                 var link = $("pubGenAddress");
  18
  19                 if (transport.responseXML) {
  20
  21                         var new_link = transport.responseXML.getElementsByTagName("link")[0];
  22
  23                         if (new_link) {
  24                                 link.href = new_link.firstChild.nodeValue;
  25                                 //link.innerHTML = new_link.firstChild.nodeValue;
  26
  27                                 new Effect.Highlight(link);
  28
  29                                 notify_info("Published feed URL changed.");
  30                         } else {
  31                                 notify_error("Could not change feed URL.");
  32                         }
  33
  34                 } else {
  35                         notify_error("Could not change feed URL.");
  36                 }
  37         } catch (e) {
  38                 exception_error("replace_pubkey_callback", e);
  39         }
  40 }
  41
  42 function feedlist_callback2(transport) {
  43
  44         try {
  45
  46                 var container = $('prefContent');
  47                 container.innerHTML=transport.responseText;
  48                 selectTab("feedConfig", true);
  49
  50                 if (caller_subop) {
  51                         var tuple = caller_subop.split(":");
  52                         if (tuple[0] == 'editFeed') {
  53                                 window.setTimeout('editFeed('+tuple[1]+')', 100);
  54                         }
  55
  56                         caller_subop = false;
  57                 }
  58                 if (typeof correctPNG != 'undefined') {
  59                         correctPNG();
  60                 }
  61                 notify("");
  62                 remove_splash();
  63
  64         } catch (e) {
  65                 exception_error("feedlist_callback2", e);
  66         }
  67 }
  68
  69 /* stub for subscription dialog */
  70
  71 function dlg_frefresh_callback(transport) {
  72         return feedlist_callback2(transport);
  73 }
  74
  75 function filterlist_callback2(transport) {
  76         var container = $('prefContent');
  77         container.innerHTML=transport.responseText;
  78         if (typeof correctPNG != 'undefined') {
  79                 correctPNG();
  80         }
  81         notify("");
  82         remove_splash();
  83 }
  84
  85 function init_label_inline_editor() {
  86         try {
  87                 if ($("prefLabelList")) {
  88                         var elems = $("prefLabelList").getElementsByTagName("SPAN");
  89
  90                         for (var i = 0; i < elems.length; i++) {
  91                                 if (elems[i].id && elems[i].id.match("LILT-")) {
  92
  93                                         var id = elems[i].id.replace("LILT-", "");
  94
  95                                         new Ajax.InPlaceEditor(elems[i],
  96                                                 'backend.php?op=pref-labels&subop=save&id=' + id,
  97                                                 {cols: 20, rows: 1});
  98
  99                                 }
 100                         }
 101                 }
 102
 103         } catch (e) {
 104                 exception_error("init_label_inline_editor", e);
 105         }
 106 }
 107
 108 function labellist_callback2(transport) {
 109
 110         try {
 111
 112                 var container = $('prefContent');
 113                         closeInfoBox();
 114                         container.innerHTML=transport.responseText;
 115
 116                         init_label_inline_editor();
 117
 118                         if (typeof correctPNG != 'undefined') {
 119                                 correctPNG();
 120                         }
 121                         notify("");
 122                         remove_splash();
 123
 124         } catch (e) {
 125                 exception_error("labellist_callback2", e);
 126         }
 127 }
 128
 129 function userlist_callback2(transport) {
 130         try {
 131                 var container = $('prefContent');
 132                 if (transport.readyState == 4) {
 133                         container.innerHTML=transport.responseText;
 134                         notify("");
 135                         remove_splash();
 136                 }
 137         } catch (e) {
 138                 exception_error("userlist_callback2", e);
 139         }
 140 }
 141
 142 function prefslist_callback2(transport) {
 143         try {
 144                 var container = $('prefContent');
 145                 container.innerHTML=transport.responseText;
 146                 notify("");
 147                 remove_splash();
 148         } catch (e) {
 149                 exception_error("prefslist_callback2", e);
 150         }
 151 }
 152
 153 function notify_callback2(transport) {
 154         notify_info(transport.responseText);
 155 }
 156
 157 function prefs_reset_callback2(transport) {
 158         try {
 159                 notify_info(transport.responseText);
 160                 selectTab();
 161         } catch (e) {
 162                 exception_error("prefs_reset_callback2", e);
 163         }
 164 }
 165
 166
 167 function changepass_callback2(transport) {
 168         try {
 169
 170                         if (transport.responseText.indexOf("ERROR: ") == 0) {
 171                                 notify_error(transport.responseText.replace("ERROR: ", ""));
 172                         } else {
 173                                 notify_info(transport.responseText);
 174                                 var warn = $("default_pass_warning");
 175                                 if (warn) warn.style.display = "none";
 176                         }
 177
 178                         document.forms['change_pass_form'].reset();
 179
 180         } catch (e) {
 181                 exception_error("changepass_callback2", e);
 182         }
 183 }
 184
 185 function init_cat_inline_editor() {
 186         try {
 187
 188                 if ($("prefFeedCatList")) {
 189                         var elems = $("prefFeedCatList").getElementsByTagName("SPAN");
 190
 191                         for (var i = 0; i < elems.length; i++) {
 192                                 if (elems[i].id && elems[i].id.match("FCATT-")) {
 193                                         var cat_id = elems[i].id.replace("FCATT-", "");
 194                                                 new Ajax.InPlaceEditor(elems[i],
 195                                                 'backend.php?op=pref-feeds&subop=editCats&action=save&cid=' + cat_id);
 196                                 }
 197                         }
 198                 }
 199
 200         } catch (e) {
 201                 exception_error("init_cat_inline_editor", e);
 202         }
 203 }
 204
 205 function infobox_feed_cat_callback2(transport) {
 206         try {
 207                 infobox_callback2(transport);
 208                 init_cat_inline_editor();
 209         } catch (e) {
 210                 exception_error("infobox_feed_cat_callback2", e);
 211         }
 212 }
 213
 214 function updateFeedList(sort_key) {
 215
 216         try {
 217
 218         var feed_search = $("feed_search");
 219         var search = "";
 220         if (feed_search) { search = feed_search.value; }
 221
 222         var slat = $("show_last_article_times");
 223
 224         var slat_checked = false;
 225         if (slat) {
 226                 slat_checked = slat.checked;
 227         }
 228
 229         var query = "?op=pref-feeds" +
 230                 "&sort=" + param_escape(sort_key) +
 231                 "&slat=" + param_escape(slat_checked) +
 232                 "&search=" + param_escape(search);
 233
 234         new Ajax.Request("backend.php", {
 235                 parameters: query,
 236                 onComplete: function(transport) {
 237                         feedlist_callback2(transport);
 238                 } });
 239         } catch (e) {
 240                 exception_error("updateFeedList", e);
 241         }
 242 }
 243
 244 function updateUsersList(sort_key) {
 245
 246         try {
 247
 248                 var user_search = $("user_search");
 249                 var search = "";
 250                 if (user_search) { search = user_search.value; }
 251
 252                 var query = "?op=pref-users&sort="
 253                         + param_escape(sort_key) +
 254                         "&search=" + param_escape(search);
 255
 256                 new Ajax.Request("backend.php", {
 257                         parameters: query,
 258                         onComplete: function(transport) {
 259                                 userlist_callback2(transport);
 260                         } });
 261
 262         } catch (e) {
 263                 exception_error("updateUsersList", e);
 264         }
 265 }
 266
 267 function addLabel() {
 268
 269         try {
 270
 271                 var caption = prompt(__("Please enter label caption:"), "");
 272
 273                 if (caption == null) {
 274                         return false;
 275                 }
 276
 277                 if (caption == "") {
 278                         alert(__("Can't create label: missing caption."));
 279                         return false;
 280                 }
 281
 282                 // we can be called from some other tab
 283                 active_tab = "labelConfig";
 284
 285                 query = "?op=pref-labels&subop=add&caption=" +
 286                         param_escape(caption);
 287
 288                 new Ajax.Request("backend.php", {
 289                         parameters: query,
 290                         onComplete: function(transport) {
 291                                         infobox_submit_callback2(transport);
 292                                 } });
 293
 294         } catch (e) {
 295                 exception_error("addLabel", e);
 296         }
 297 }
 298
 299 function addFeed() {
 300
 301         try {
 302
 303                 var link = $("fadd_link");
 304
 305                 if (link.value.length == 0) {
 306                         alert(__("Error: No feed URL given."));
 307                 } else if (!isValidURL(link.value)) {
 308                         alert(__("Error: Invalid feed URL."));
 309                 } else {
 310                         notify_progress("Adding feed...");
 311
 312                         var query = "?op=pref-feeds&subop=add&from=tt-rss&feed_url=" +
 313                                 param_escape(link.value);
 314
 315                         new Ajax.Request("backend.php", {
 316                                 parameters: query,
 317                                 onComplete: function(transport) {
 318                                                 feedlist_callback2(transport);
 319                                         } });
 320
 321                         link.value = "";
 322
 323                 }
 324
 325         } catch (e) {
 326                 exception_error("addFeed", e);
 327         }
 328
 329 }
 330
 331 function addFeedCat() {
 332
 333         var cat = $("fadd_cat");
 334
 335         if (cat.value.length == 0) {
 336                 alert(__("Can't add category: no name specified."));
 337         } else {
 338                 notify_progress("Adding feed category...");
 339
 340                 var query = "?op=pref-feeds&subop=editCats&action=add&cat=" +
 341                         param_escape(cat.value);
 342
 343                 new Ajax.Request("backend.php", {
 344                         parameters: query,
 345                         onComplete: function(transport) {
 346                                         infobox_feed_cat_callback2(transport);
 347                                 } });
 348
 349                 link.value = "";
 350
 351         }
 352 }
 353
 354 function addUser() {
 355
 356         try {
 357
 358                 var login = prompt(__("Please enter login:"), "");
 359
 360                 if (login == null) {
 361                         return false;
 362                 }
 363
 364                 if (login == "") {
 365                         alert(__("Can't create user: no login specified."));
 366                         return false;
 367                 }
 368
 369                 notify_progress("Adding user...");
 370
 371                 var query = "?op=pref-users&subop=add&login=" +
 372                         param_escape(login);
 373
 374                 new Ajax.Request("backend.php", {
 375                         parameters: query,
 376                         onComplete: function(transport) {
 377                                 userlist_callback2(transport);
 378                         } });
 379
 380         } catch (e) {
 381                 exception_error("addUser", e);
 382         }
 383 }
 384
 385 function editUser(id) {
 386
 387         try {
 388
 389                 disableHotkeys();
 390
 391                 notify_progress("Loading, please wait...");
 392
 393                 selectTableRowsByIdPrefix('prefUserList', 'UMRR-', 'UMCHK-', false);
 394                 selectTableRowById('UMRR-'+id, 'UMCHK-'+id, true);
 395
 396                 disableContainerChildren("userOpToolbar", false);
 397
 398                 var query = "?op=pref-users&subop=edit&id=" +
 399                         param_escape(id);
 400
 401                 new Ajax.Request("backend.php", {
 402                         parameters: query,
 403                         onComplete: function(transport) {
 404                                         infobox_callback2(transport);
 405                                 } });
 406
 407         } catch (e) {
 408                 exception_error("editUser", e);
 409         }
 410
 411 }
 412
 413 function editFilter(id) {
 414
 415         try {
 416
 417                 disableHotkeys();
 418
 419                 notify_progress("Loading, please wait...");
 420
 421                 disableContainerChildren("filterOpToolbar", false);
 422
 423                 selectTableRowsByIdPrefix('prefFilterList', 'FILRR-', 'FICHK-', false);
 424                 selectTableRowById('FILRR-'+id, 'FICHK-'+id, true);
 425
 426                 var query = "?op=pref-filters&subop=edit&id=" +
 427                         param_escape(id);
 428
 429                 new Ajax.Request("backend.php", {
 430                         parameters: query,
 431                         onComplete: function(transport) {
 432                                         infobox_callback2(transport);
 433                                 } });
 434         } catch (e) {
 435                 exception_error("editFilter", e);
 436         }
 437 }
 438
 439 function editFeed(feed) {
 440
 441         try {
 442
 443                 disableHotkeys();
 444
 445                 notify_progress("Loading, please wait...");
 446
 447                 // clean selection from all rows & select row being edited
 448                 selectTableRowsByIdPrefix('prefFeedList', 'FEEDR-', 'FRCHK-', false);
 449                 selectTableRowById('FEEDR-'+feed, 'FRCHK-'+feed, true);
 450
 451                 disableContainerChildren("feedOpToolbar", false);
 452
 453                 var query = "?op=pref-feeds&subop=editfeed&id=" +
 454                         param_escape(feed);
 455
 456                 new Ajax.Request("backend.php", {
 457                         parameters: query,
 458                         onComplete: function(transport) {
 459                                         infobox_callback2(transport);
 460                                 } });
 461
 462         } catch (e) {
 463                 exception_error("editFeed", e);
 464         }
 465 }
 466
 467 function getSelectedLabels() {
 468         return getSelectedTableRowIds("prefLabelList", "LILRR");
 469 }
 470
 471 function getSelectedUsers() {
 472         return getSelectedTableRowIds("prefUserList", "UMRR");
 473 }
 474
 475 function getSelectedFeeds() {
 476         return getSelectedTableRowIds("prefFeedList", "FEEDR");
 477 }
 478
 479 function getSelectedFilters() {
 480         return getSelectedTableRowIds("prefFilterList", "FILRR");
 481 }
 482
 483 function getSelectedFeedCats() {
 484         return getSelectedTableRowIds("prefFeedCatList", "FCATR");
 485 }
 486
 487
 488 function removeSelectedLabels() {
 489
 490         var sel_rows = getSelectedLabels();
 491
 492         if (sel_rows.length > 0) {
 493
 494                 var ok = confirm(__("Remove selected labels?"));
 495
 496                 if (ok) {
 497                         notify_progress("Removing selected labels...");
 498
 499                         var query = "?op=pref-labels&subop=remove&ids="+
 500                                 param_escape(sel_rows.toString());
 501
 502                         new Ajax.Request("backend.php", {
 503                                 parameters: query,
 504                                 onComplete: function(transport) {
 505                                                 labellist_callback2(transport);
 506                                         } });
 507
 508                 }
 509         } else {
 510                 alert(__("No labels are selected."));
 511         }
 512
 513         return false;
 514 }
 515
 516 function removeSelectedUsers() {
 517
 518         try {
 519
 520                 var sel_rows = getSelectedUsers();
 521
 522                 if (sel_rows.length > 0) {
 523
 524                         var ok = confirm(__("Remove selected users?"));
 525
 526                         if (ok) {
 527                                 notify_progress("Removing selected users...");
 528
 529                                 var query = "?op=pref-users&subop=remove&ids="+
 530                                         param_escape(sel_rows.toString());
 531
 532                                 new Ajax.Request("backend.php", {
 533                                         parameters: query,
 534                                         onComplete: function(transport) {
 535                                                 userlist_callback2(transport);
 536                                         } });
 537
 538                         }
 539
 540                 } else {
 541                         alert(__("No users are selected."));
 542                 }
 543
 544         } catch (e) {
 545                 exception_error("removeSelectedUsers", e);
 546         }
 547
 548         return false;
 549 }
 550
 551 function removeSelectedFilters() {
 552
 553         try {
 554
 555                 var sel_rows = getSelectedFilters();
 556
 557                 if (sel_rows.length > 0) {
 558
 559                         var ok = confirm(__("Remove selected filters?"));
 560
 561                         if (ok) {
 562                                 notify_progress("Removing selected filters...");
 563
 564                                 var query = "?op=pref-filters&subop=remove&ids="+
 565                                         param_escape(sel_rows.toString());
 566
 567                                 new Ajax.Request("backend.php", {
 568                                                 parameters: query,
 569                                                 onComplete: function(transport) {
 570                                                                 filterlist_callback2(transport);
 571                                         } });
 572
 573                         }
 574                 } else {
 575                         alert(__("No filters are selected."));
 576                 }
 577
 578         } catch (e) {
 579                 exception_error("removeSelectedFilters", e);
 580         }
 581
 582         return false;
 583 }
 584
 585
 586 function removeSelectedFeeds() {
 587
 588         try {
 589
 590                 var sel_rows = getSelectedFeeds();
 591
 592                 if (sel_rows.length > 0) {
 593
 594                         var ok = confirm(__("Unsubscribe from selected feeds?"));
 595
 596                         if (ok) {
 597
 598                                 notify_progress("Unsubscribing from selected feeds...");
 599
 600                                 var query = "?op=pref-feeds&subop=remove&ids="+
 601                                         param_escape(sel_rows.toString());
 602
 603                                 new Ajax.Request("backend.php", {
 604                                         parameters: query,
 605                                         onComplete: function(transport) {
 606                                                         feedlist_callback2(transport);
 607                                                 } });
 608                         }
 609
 610                 } else {
 611                         alert(__("No feeds are selected."));
 612                 }
 613
 614         } catch (e) {
 615                 exception_error("removeSelectedFeeds", e);
 616         }
 617
 618         return false;
 619 }
 620
 621 function clearSelectedFeeds() {
 622
 623         var sel_rows = getSelectedFeeds();
 624
 625         if (sel_rows.length > 1) {
 626                 alert(__("Please select only one feed."));
 627                 return;
 628         }
 629
 630         if (sel_rows.length > 0) {
 631
 632                 var ok = confirm(__("Erase all non-starred articles in selected feed?"));
 633
 634                 if (ok) {
 635                         notify_progress("Clearing selected feed...");
 636                         clearFeedArticles(sel_rows[0]);
 637                 }
 638
 639         } else {
 640
 641                 alert(__("No feeds are selected."));
 642
 643         }
 644
 645         return false;
 646 }
 647
 648 function purgeSelectedFeeds() {
 649
 650         var sel_rows = getSelectedFeeds();
 651
 652         if (sel_rows.length > 0) {
 653
 654                 var pr = prompt(__("How many days of articles to keep (0 - use default)?"), "0");
 655
 656                 if (pr != undefined) {
 657                         notify_progress("Purging selected feed...");
 658
 659                         var query = "?op=rpc&subop=purge&ids="+
 660                                 param_escape(sel_rows.toString()) + "&days=" + pr;
 661
 662                         debug(query);
 663
 664                         new Ajax.Request("prefs.php",   {
 665                                 parameters: query,
 666                                 onComplete: function(transport) {
 667                                         notify('');
 668                                 } });
 669                 }
 670
 671         } else {
 672
 673                 alert(__("No feeds are selected."));
 674
 675         }
 676
 677         return false;
 678 }
 679
 680 function removeSelectedFeedCats() {
 681
 682         var sel_rows = getSelectedFeedCats();
 683
 684         if (sel_rows.length > 0) {
 685
 686                 var ok = confirm(__("Remove selected categories?"));
 687
 688                 if (ok) {
 689                         notify_progress("Removing selected categories...");
 690
 691                         var query = "?op=pref-feeds&subop=editCats&action=remove&ids="+
 692                                 param_escape(sel_rows.toString());
 693
 694                         new Ajax.Request("backend.php", {
 695                                 parameters: query,
 696                                 onComplete: function(transport) {
 697                                         infobox_feed_cat_callback2(transport);
 698                                 } });
 699
 700                 }
 701
 702         } else {
 703
 704                 alert(__("No categories are selected."));
 705
 706         }
 707
 708         return false;
 709 }
 710
 711 function feedEditCancel() {
 712
 713         try {
 714                 $("subscribe_to_feed_btn").disabled = false;
 715                 $("top25_feeds_btn").disabled = false;
 716         } catch (e) {
 717                 // this button is not always available, no-op if not found
 718         }
 719
 720         closeInfoBox();
 721
 722         selectPrefRows('feed', false); // cleanup feed selection
 723
 724         return false;
 725 }
 726
 727 function feedEditSave() {
 728
 729         try {
 730
 731                 // FIXME: add parameter validation
 732
 733                 var query = Form.serialize("edit_feed_form");
 734
 735                 notify_progress("Saving feed...");
 736
 737                 new Ajax.Request("backend.php", {
 738                         parameters: query,
 739                         onComplete: function(transport) {
 740                                 feedlist_callback2(transport);
 741                         } });
 742
 743                 closeInfoBox();
 744
 745                 return false;
 746
 747         } catch (e) {
 748                 exception_error("feedEditSave", e);
 749         }
 750 }
 751
 752 function userEditCancel() {
 753
 754         selectPrefRows('user', false); // cleanup feed selection
 755         closeInfoBox();
 756
 757         return false;
 758 }
 759
 760 function filterEditCancel() {
 761
 762         try {
 763                 $("create_filter_btn").disabled = false;
 764                 selectPrefRows('filter', false); // cleanup feed selection
 765         } catch (e) { }
 766
 767         closeInfoBox();
 768
 769         return false;
 770 }
 771
 772 function userEditSave() {
 773
 774         try {
 775
 776                 var login = document.forms["user_edit_form"].login.value;
 777
 778                 if (login.length == 0) {
 779                         alert(__("Login field cannot be blank."));
 780                         return;
 781                 }
 782
 783                 notify_progress("Saving user...");
 784
 785                 closeInfoBox();
 786
 787                 var query = Form.serialize("user_edit_form");
 788
 789                 new Ajax.Request("backend.php", {
 790                         parameters: query,
 791                         onComplete: function(transport) {
 792                                 userlist_callback2(transport);
 793                         } });
 794
 795         } catch (e) {
 796                 exception_error("userEditSave", e);
 797         }
 798
 799         return false;
 800
 801 }
 802
 803
 804 function filterEditSave() {
 805
 806         try {
 807
 808                 notify_progress("Saving filter...");
 809
 810                 var query = "?" + Form.serialize("filter_edit_form");
 811
 812                 closeInfoBox();
 813
 814                 $("create_filter_btn").disabled = false;
 815
 816                 new Ajax.Request("backend.php", {
 817                                 parameters: query,
 818                                 onComplete: function(transport) {
 819                                                 filterlist_callback2(transport);
 820                         } });
 821
 822         } catch (e) {
 823                 exception_error("filterEditSave", e);
 824         }
 825
 826         return false;
 827 }
 828
 829
 830 function editSelectedUser() {
 831         var rows = getSelectedUsers();
 832
 833         if (rows.length == 0) {
 834                 alert(__("No users are selected."));
 835                 return;
 836         }
 837
 838         if (rows.length > 1) {
 839                 alert(__("Please select only one user."));
 840                 return;
 841         }
 842
 843         notify("");
 844
 845         editUser(rows[0]);
 846 }
 847
 848 function resetSelectedUserPass() {
 849
 850         try {
 851
 852                 var rows = getSelectedUsers();
 853
 854                 if (rows.length == 0) {
 855                         alert(__("No users are selected."));
 856                         return;
 857                 }
 858
 859                 if (rows.length > 1) {
 860                         alert(__("Please select only one user."));
 861                         return;
 862                 }
 863
 864                 var ok = confirm(__("Reset password of selected user?"));
 865
 866                 if (ok) {
 867                         notify_progress("Resetting password for selected user...");
 868
 869                         var id = rows[0];
 870
 871                         var query = "?op=pref-users&subop=resetPass&id=" +
 872                                 param_escape(id);
 873
 874                         new Ajax.Request("backend.php", {
 875                                 parameters: query,
 876                                 onComplete: function(transport) {
 877                                         userlist_callback2(transport);
 878                                 } });
 879
 880                 }
 881
 882         } catch (e) {
 883                 exception_error("resetSelectedUserPass", e);
 884         }
 885 }
 886
 887 function selectedUserDetails() {
 888
 889         try {
 890
 891                 var rows = getSelectedUsers();
 892
 893                 if (rows.length == 0) {
 894                         alert(__("No users are selected."));
 895                         return;
 896                 }
 897
 898                 if (rows.length > 1) {
 899                         alert(__("Please select only one user."));
 900                         return;
 901                 }
 902
 903                 notify_progress("Loading, please wait...");
 904
 905                 var id = rows[0];
 906
 907                 var query = "?op=pref-users&subop=user-details&id=" + id;
 908
 909                 new Ajax.Request("backend.php", {
 910                         parameters: query,
 911                         onComplete: function(transport) {
 912                                         infobox_callback2(transport);
 913                                 } });
 914         } catch (e) {
 915                 exception_error("selectedUserDetails", e);
 916         }
 917 }
 918
 919
 920 function editSelectedFilter() {
 921         var rows = getSelectedFilters();
 922
 923         if (rows.length == 0) {
 924                 alert(__("No filters are selected."));
 925                 return;
 926         }
 927
 928         if (rows.length > 1) {
 929                 alert(__("Please select only one filter."));
 930                 return;
 931         }
 932
 933         notify("");
 934
 935         editFilter(rows[0]);
 936
 937 }
 938
 939
 940 function editSelectedFeed() {
 941         var rows = getSelectedFeeds();
 942
 943         if (rows.length == 0) {
 944                 alert(__("No feeds are selected."));
 945                 return;
 946         }
 947
 948         if (rows.length > 1) {
 949                 return editSelectedFeeds();
 950         }
 951
 952         notify("");
 953
 954         editFeed(rows[0]);
 955
 956 }
 957
 958 function editSelectedFeeds() {
 959
 960         try {
 961                 var rows = getSelectedFeeds();
 962
 963                 if (rows.length == 0) {
 964                         alert(__("No feeds are selected."));
 965                         return;
 966                 }
 967
 968                 notify("");
 969
 970                 disableHotkeys();
 971
 972                 notify_progress("Loading, please wait...");
 973
 974                 var query = "?op=pref-feeds&subop=editfeeds&ids=" +
 975                         param_escape(rows.toString());
 976
 977                 new Ajax.Request("backend.php", {
 978                         parameters: query,
 979                         onComplete: function(transport) {
 980                                         infobox_callback2(transport);
 981                                 } });
 982
 983         } catch (e) {
 984                 exception_error("editSelectedFeeds", e);
 985         }
 986 }
 987
 988 function piggie(enable) {
 989         if (enable) {
 990                 debug("I LOVEDED IT!");
 991                 var piggie = $("piggie");
 992
 993                 Element.show(piggie);
 994                 Position.Center(piggie);
 995                 Effect.Puff(piggie);
 996
 997         }
 998 }
 999
1000 function validateOpmlImport() {
1001
1002         var opml_file = $("opml_file");
1003
1004         if (opml_file.value.length == 0) {
1005                 alert(__("No OPML file to upload."));
1006                 return false;
1007         } else {
1008                 return true;
1009         }
1010 }
1011
1012 function updateFilterList(sort_key) {
1013         try {
1014
1015                 var filter_search = $("filter_search");
1016                 var search = "";
1017                 if (filter_search) { search = filter_search.value; }
1018
1019                 var query = "?op=pref-filters&sort=" +
1020                         param_escape(sort_key) +
1021                         "&search=" + param_escape(search);
1022
1023                 new Ajax.Request("backend.php", {
1024                                 parameters: query,
1025                                 onComplete: function(transport) {
1026                                                 filterlist_callback2(transport);
1027                         } });
1028
1029         } catch (e) {
1030                 exception_error("updateFilterList", e);
1031         }
1032
1033 }
1034
1035 function updateLabelList(sort_key) {
1036
1037         try {
1038
1039                 var label_search = $("label_search");
1040                 var search = "";
1041                 if (label_search) { search = label_search.value; }
1042
1043                 var query = "?op=pref-labels&sort=" +
1044                         param_escape(sort_key) +
1045                         "&search=" + param_escape(search);
1046
1047                 new Ajax.Request("backend.php", {
1048                         parameters: query,
1049                         onComplete: function(transport) {
1050                                 labellist_callback2(transport);
1051                         } });
1052
1053         } catch (e) {
1054                 exception_error("updateLabelList", e);
1055         }
1056 }
1057
1058 function updatePrefsList() {
1059
1060         var query = "?op=pref-prefs";
1061
1062         new Ajax.Request("backend.php", {
1063                 parameters: query,
1064                 onComplete: function(transport) {
1065                         prefslist_callback2(transport);
1066                 } });
1067
1068 }
1069
1070 function selectTab(id, noupdate, subop) {
1071
1072 //      alert(id);
1073
1074         if (!id) id = active_tab;
1075
1076         try {
1077
1078                 try {
1079                         if (id != active_tab) {
1080                                 var c = $('prefContent');
1081                                 c.scrollTop = 0;
1082                         }
1083                 } catch (e) { };
1084
1085                 if (!noupdate) {
1086
1087                         debug("selectTab: " + id + "(NU: " + noupdate + ")");
1088
1089                         notify_progress("Loading, please wait...");
1090
1091                         // close active infobox if needed
1092                         closeInfoBox();
1093
1094                         // clean up all current selections, just in case
1095                         active_feed_cat = false;
1096
1097 //                      Effect.Fade("prefContent", {duration: 1, to: 0.01,
1098 //                              queue: { position:'end', scope: 'FEED_TAB', limit: 1 } } );
1099
1100                         if (id == "feedConfig") {
1101                                 updateFeedList();
1102                         } else if (id == "filterConfig") {
1103                                 updateFilterList();
1104                         } else if (id == "labelConfig") {
1105                                 updateLabelList();
1106                         } else if (id == "genConfig") {
1107                                 updatePrefsList();
1108                         } else if (id == "userConfig") {
1109                                 updateUsersList();
1110                         }
1111                 }
1112
1113                 /* clean selection from all tabs */
1114
1115                 var tabs_holder = $("prefTabs");
1116                 var tab = tabs_holder.firstChild;
1117
1118                 while (tab) {
1119                         if (tab.className && tab.className.match("prefsTabSelected")) {
1120                                 tab.className = "prefsTab";
1121                         }
1122                         tab = tab.nextSibling;
1123                 }
1124
1125                 /* mark new tab as selected */
1126
1127                 tab = $(id + "Tab");
1128
1129                 if (tab) {
1130                         if (!tab.className.match("Selected")) {
1131                                 tab.className = tab.className + "Selected";
1132                         }
1133                 }
1134
1135                 active_tab = id;
1136
1137         } catch (e) {
1138                 exception_error("selectTab", e);
1139         }
1140 }
1141
1142 function backend_sanity_check_callback2(transport) {
1143
1144         try {
1145
1146                 if (sanity_check_done) {
1147                         fatalError(11, "Sanity check request received twice. This can indicate "+
1148                       "presence of Firebug or some other disrupting extension. "+
1149                                 "Please disable it and try again.");
1150                         return;
1151                 }
1152
1153                 if (!transport.responseXML) {
1154                         fatalError(3, "Sanity Check: Received reply is not XML",
1155                                 transport.responseText);
1156                         return;
1157                 }
1158
1159                 var reply = transport.responseXML.firstChild.firstChild;
1160
1161                 if (!reply) {
1162                         fatalError(3, "Sanity Check: Invalid RPC reply", transport.responseText);
1163                         return;
1164                 }
1165
1166                 var error_code = reply.getAttribute("error-code");
1167
1168                 if (error_code && error_code != 0) {
1169                         return fatalError(error_code, reply.getAttribute("error-msg"));
1170                 }
1171
1172                 debug("sanity check ok");
1173
1174                 var params = reply.nextSibling;
1175
1176                 if (params) {
1177                         debug('reading init-params...');
1178                         var param = params.firstChild;
1179
1180                         while (param) {
1181                                 var k = param.getAttribute("key");
1182                                 var v = param.getAttribute("value");
1183                                 debug(k + " => " + v);
1184                                 init_params[k] = v;
1185                                 param = param.nextSibling;
1186                         }
1187                 }
1188
1189                 sanity_check_done = true;
1190
1191                 init_second_stage();
1192
1193         } catch (e) {
1194                 exception_error("backend_sanity_check_callback", e);
1195         }
1196 }
1197
1198 function init_second_stage() {
1199
1200         try {
1201                 active_tab = getInitParam("prefs_active_tab");
1202                 if (!$(active_tab+"Tab")) active_tab = "genConfig";
1203                 if (!active_tab || active_tab == '0') active_tab = "genConfig";
1204
1205                 document.onkeydown = pref_hotkey_handler;
1206                 document.onmousedown = mouse_down_handler;
1207                 document.onmouseup = mouse_up_handler;
1208
1209                 var tab = getURLParam('tab');
1210
1211                 caller_subop = getURLParam('subop');
1212
1213                 if (getURLParam("subopparam")) {
1214                         caller_subop = caller_subop + ":" + getURLParam("subopparam");
1215                 }
1216
1217                 if (tab) {
1218                         active_tab = tab;
1219                 }
1220
1221                 if (navigator.userAgent.match("Opera")) {
1222                         setTimeout("selectTab()", 500);
1223                 } else {
1224                         selectTab(active_tab);
1225                 }
1226                 notify("");
1227
1228                 loading_set_progress(60);
1229
1230                 setTimeout("hotkey_prefix_timeout()", 5*1000);
1231
1232         } catch (e) {
1233                 exception_error("init_second_stage", e);
1234         }
1235 }
1236
1237 function init() {
1238
1239         try {
1240
1241                 if (getURLParam('debug')) {
1242                         Element.show("debug_output");
1243                         debug('debug mode activated');
1244                 }
1245
1246                 loading_set_progress(30);
1247
1248                 var query = "?op=rpc&subop=sanityCheck";
1249
1250                 new Ajax.Request("backend.php", {
1251                         parameters: query,
1252                         onComplete: function(transport) {
1253                                 backend_sanity_check_callback2(transport);
1254                         } });
1255
1256         } catch (e) {
1257                 exception_error("init", e);
1258         }
1259 }
1260
1261 function categorizeSelectedFeeds() {
1262
1263         var sel_rows = getSelectedFeeds();
1264
1265         var cat_sel = $("sfeed_set_fcat");
1266         var cat_id = cat_sel[cat_sel.selectedIndex].value;
1267
1268         if (sel_rows.length > 0) {
1269
1270                 notify_progress("Changing category of selected feeds...");
1271
1272                 var query = "?op=pref-feeds&subop=categorize&ids="+
1273                         param_escape(sel_rows.toString()) + "&cat_id=" + param_escape(cat_id);
1274
1275                 new Ajax.Request("backend.php", {
1276                         parameters: query,
1277                         onComplete: function(transport) {
1278                                 feedlist_callback2(transport);
1279                         } });
1280
1281         } else {
1282
1283                 alert(__("No feeds are selected."));
1284
1285         }
1286
1287 }
1288
1289 function validatePrefsReset() {
1290         try {
1291                 var ok = confirm(__("Reset to defaults?"));
1292
1293                 if (ok) {
1294
1295                         var query = Form.serialize("pref_prefs_form");
1296                         query = query + "&subop=reset-config";
1297                         debug(query);
1298
1299                         new Ajax.Request("backend.php", {
1300                                 parameters: query,
1301                                 onComplete: function(transport) {
1302                                         prefs_reset_callback2(transport);
1303                                 } });
1304
1305                 }
1306
1307         } catch (e) {
1308                 exception_error("validatePrefsSave", e);
1309         }
1310
1311         return false;
1312
1313 }
1314
1315 function feedBrowserSubscribe() {
1316         try {
1317
1318                 var selected = getSelectedFeedsFromBrowser();
1319
1320                 var mode = document.forms['feed_browser'].mode;
1321
1322                 mode = mode[mode.selectedIndex].value;
1323
1324                 if (selected.length > 0) {
1325                         closeInfoBox();
1326
1327                         var query = "?op=pref-feeds&subop=massSubscribe&ids="+
1328                                 param_escape(selected.toString()) + "&mode=" + param_escape(mode);
1329
1330                         new Ajax.Request("backend.php", {
1331                                 parameters: query,
1332                                 onComplete: function(transport) {
1333                                         feedlist_callback2(transport);
1334                                 } });
1335
1336                 } else {
1337                         alert(__("No feeds are selected."));
1338                 }
1339
1340         } catch (e) {
1341                 exception_error("feedBrowserSubscribe", e);
1342         }
1343 }
1344
1345 function updateBigFeedBrowserBtn() {
1346         notify_progress("Loading, please wait...");
1347         return updateBigFeedBrowser();
1348 }
1349
1350 function selectPrefRows(kind, select) {
1351
1352         if (kind) {
1353                 var opbarid = false;
1354                 var nchk = false;
1355                 var nrow = false;
1356                 var lname = false;
1357
1358                 if (kind == "feed") {
1359                         opbarid = "feedOpToolbar";
1360                         nrow = "FEEDR-";
1361                         nchk = "FRCHK-";
1362                         lname = "prefFeedList";
1363                 } else if (kind == "fcat") {
1364                         opbarid = "catOpToolbar";
1365                         nrow = "FCATR-";
1366                         nchk = "FCCHK-";
1367                         lname = "prefFeedCatList";
1368                 } else if (kind == "filter") {
1369                         opbarid = "filterOpToolbar";
1370                         nrow = "FILRR-";
1371                         nchk = "FICHK-";
1372                         lname = "prefFilterList";
1373                 } else if (kind == "label") {
1374                         opbarid = "labelOpToolbar";
1375                         nrow = "LILRR-";
1376                         nchk = "LICHK-";
1377                         lname = "prefLabelList";
1378                 } else if (kind == "user") {
1379                         opbarid = "userOpToolbar";
1380                         nrow = "UMRR-";
1381                         nchk = "UMCHK-";
1382                         lname = "prefUserList";
1383                 }
1384
1385                 if (opbarid) {
1386                         selectTableRowsByIdPrefix(lname, nrow, nchk, select);
1387                         disableContainerChildren(opbarid, !select);
1388                 }
1389
1390         }
1391 }
1392
1393
1394 function toggleSelectPrefRow(sender, kind) {
1395
1396         toggleSelectRow(sender);
1397
1398         if (kind) {
1399                 var opbarid = false;
1400                 var nsel = -1;
1401
1402                 if (kind == "feed") {
1403                         opbarid = "feedOpToolbar";
1404                         nsel = getSelectedFeeds();
1405                 } else if (kind == "fcat") {
1406                         opbarid = "catOpToolbar";
1407                         nsel = getSelectedFeedCats();
1408                 } else if (kind == "filter") {
1409                         opbarid = "filterOpToolbar";
1410                         nsel = getSelectedFilters();
1411                 } else if (kind == "label") {
1412                         opbarid = "labelOpToolbar";
1413                         nsel = getSelectedLabels();
1414                 } else if (kind == "user") {
1415                         opbarid = "userOpToolbar";
1416                         nsel = getSelectedUsers();
1417                 }
1418
1419                 if (opbarid && nsel != -1) {
1420                         disableContainerChildren(opbarid, nsel == false);
1421                 }
1422
1423         }
1424 }
1425
1426 function toggleSelectFBListRow(sender) {
1427         toggleSelectListRow(sender);
1428         disableContainerChildren("fbrOpToolbar", getSelectedFeedsFromBrowser() == 0);
1429 }
1430
1431 var seq = "";
1432
1433 function pref_hotkey_handler(e) {
1434         try {
1435
1436                 var keycode;
1437                 var shift_key = false;
1438
1439                 var cmdline = $('cmdline');
1440
1441                 try {
1442                         shift_key = e.shiftKey;
1443                 } catch (e) {
1444
1445                 }
1446
1447                 if (window.event) {
1448                         keycode = window.event.keyCode;
1449                 } else if (e) {
1450                         keycode = e.which;
1451                 }
1452
1453                 var keychar = String.fromCharCode(keycode);
1454
1455                 if (keycode == 27) { // escape
1456                         if (Element.visible("hotkey_help_overlay")) {
1457                                 Element.hide("hotkey_help_overlay");
1458                         }
1459                         colorPickerHideAll();
1460                         hotkey_prefix = false;
1461                         closeInfoBox();
1462                 }
1463
1464                 if (!hotkeys_enabled) {
1465                         debug("hotkeys disabled");
1466                         return;
1467                 }
1468
1469                 if (keycode == 16) return; // ignore lone shift
1470
1471                 if ((keycode == 67 || keycode == 71) && !hotkey_prefix) {
1472                         hotkey_prefix = keycode;
1473
1474                         var date = new Date();
1475                         var ts = Math.round(date.getTime() / 1000);
1476
1477                         hotkey_prefix_pressed = ts;
1478
1479                         cmdline.innerHTML = keychar;
1480                         Element.show(cmdline);
1481
1482                         debug("KP: PREFIX=" + keycode + " CHAR=" + keychar);
1483                         return;
1484                 }
1485
1486                 if (Element.visible("hotkey_help_overlay")) {
1487                         Element.hide("hotkey_help_overlay");
1488                 }
1489
1490                 if (keycode == 13 || keycode == 27) {
1491                         seq = "";
1492                 } else {
1493                         seq = seq + "" + keycode;
1494                 }
1495
1496                 /* Global hotkeys */
1497
1498                 Element.hide(cmdline);
1499
1500                 if (!hotkey_prefix) {
1501
1502                         if (keycode == 68 && shift_key) { // d
1503                                 if (!Element.visible("debug_output")) {
1504                                         Element.show("debug_output");
1505                                         debug('debug mode activated');
1506                                 } else {
1507                                         Element.hide("debug_output");
1508                                 }
1509                                 return;
1510                         }
1511
1512                         if ((keycode == 191 || keychar == '?') && shift_key) { // ?
1513                                 if (!Element.visible("hotkey_help_overlay")) {
1514                                         //Element.show("hotkey_help_overlay");
1515                                         Effect.Appear("hotkey_help_overlay", {duration : 0.3});
1516                                 } else {
1517                                         Element.hide("hotkey_help_overlay");
1518                                 }
1519                                 return false;
1520                         }
1521
1522                         if (keycode == 191 || keychar == '/') { // /
1523                                 var search_boxes = new Array("label_search",
1524                                         "feed_search", "filter_search", "user_search", "feed_browser_search");
1525
1526                                 for (var i = 0; i < search_boxes.length; i++) {
1527                                         var elem = $(search_boxes[i]);
1528                                         if (elem) {
1529                                                 focus_element(search_boxes[i]);
1530                                                 return false;
1531                                         }
1532                                 }
1533                         }
1534                 }
1535
1536                 /* Prefix c */
1537
1538                 if (hotkey_prefix == 67) { // c
1539                         hotkey_prefix = false;
1540
1541                         if (keycode == 70) { // f
1542                                 displayDlg("quickAddFilter");
1543                                 return false;
1544                         }
1545
1546                         if (keycode == 83) { // s
1547                                 displayDlg("quickAddFeed");
1548                                 return false;
1549                         }
1550
1551 /*                      if (keycode == 76) { // l
1552                                 displayDlg("quickAddLabel");
1553                                 return false;
1554                         } */
1555
1556                         if (keycode == 85) { // u
1557                                 // no-op
1558                         }
1559
1560                         if (keycode == 67) { // c
1561                                 editFeedCats();
1562                                 return false;
1563                         }
1564
1565                         if (keycode == 84 && shift_key) { // T
1566                                 browseFeeds();
1567                                 return false;
1568                         }
1569
1570                 }
1571
1572                 /* Prefix g */
1573
1574                 if (hotkey_prefix == 71) { // g
1575
1576                         hotkey_prefix = false;
1577
1578                         if (keycode == 49 && $("genConfigTab")) { // 1
1579                                 selectTab("genConfig");
1580                                 return false;
1581                         }
1582
1583                         if (keycode == 50 && $("feedConfigTab")) { // 2
1584                                 selectTab("feedConfig");
1585                                 return false;
1586                         }
1587
1588                         if (keycode == 51 && $("filterConfigTab")) { // 4
1589                                 selectTab("filterConfig");
1590                                 return false;
1591                         }
1592
1593                         if (keycode == 52 && $("labelConfigTab")) { // 5
1594                                 selectTab("labelConfig");
1595                                 return false;
1596                         }
1597
1598                         if (keycode == 53 && $("userConfigTab")) { // 6
1599                                 selectTab("userConfig");
1600                                 return false;
1601                         }
1602
1603                         if (keycode == 88) { // x
1604                                 return gotoMain();
1605                         }
1606
1607                 }
1608
1609                 if ($("piggie")) {
1610
1611                         if (seq.match("807371717369")) {
1612                                 seq = "";
1613                                 piggie(true);
1614                         } else {
1615                                 piggie(false);
1616                         }
1617                 }
1618
1619                 if (hotkey_prefix) {
1620                         debug("KP: PREFIX=" + hotkey_prefix + " CODE=" + keycode + " CHAR=" + keychar);
1621                 } else {
1622                         debug("KP: CODE=" + keycode + " CHAR=" + keychar);
1623                 }
1624
1625         } catch (e) {
1626                 exception_error("pref_hotkey_handler", e);
1627         }
1628 }
1629
1630 function editFeedCats() {
1631         try {
1632                 $("subscribe_to_feed_btn").disabled = true;
1633
1634                 try {
1635                         $("top25_feeds_btn").disabled = true;
1636                 } catch (e) {
1637                         // this button is not always available, no-op if not found
1638                 }
1639
1640                 var query = "?op=pref-feeds&subop=editCats";
1641
1642                 new Ajax.Request("backend.php", {
1643                         parameters: query,
1644                         onComplete: function(transport) {
1645                                 infobox_feed_cat_callback2(transport);
1646                         } });
1647         } catch (e) {
1648                 exception_error("editFeedCats", e);
1649         }
1650 }
1651
1652 function showFeedsWithErrors() {
1653         displayDlg('feedUpdateErrors');
1654 }
1655
1656 function changeUserPassword() {
1657
1658         try {
1659
1660                 var f = document.forms["change_pass_form"];
1661
1662                 if (f) {
1663                         if (f.OLD_PASSWORD.value == "") {
1664                                 new Effect.Highlight(f.OLD_PASSWORD);
1665                                 notify_error("Old password cannot be blank.");
1666                                 return false;
1667                         }
1668
1669                         if (f.NEW_PASSWORD.value == "") {
1670                                 new Effect.Highlight(f.NEW_PASSWORD);
1671                                 notify_error("New password cannot be blank.");
1672                                 return false;
1673                         }
1674
1675                         if (f.CONFIRM_PASSWORD.value == "") {
1676                                 new Effect.Highlight(f.CONFIRM_PASSWORD);
1677                                 notify_error("Entered passwords do not match.");
1678                                 return false;
1679                         }
1680
1681                         if (f.CONFIRM_PASSWORD.value != f.NEW_PASSWORD.value) {
1682                                 new Effect.Highlight(f.CONFIRM_PASSWORD);
1683                                 new Effect.Highlight(f.NEW_PASSWORD);
1684                                 notify_error("Entered passwords do not match.");
1685                                 return false;
1686                         }
1687
1688                 }
1689
1690                 var query = Form.serialize("change_pass_form");
1691
1692                 notify_progress("Trying to change password...");
1693
1694                 new Ajax.Request("backend.php", {
1695                         parameters: query,
1696                         onComplete: function(transport) {
1697                                 changepass_callback2(transport);
1698                         } });
1699
1700
1701         } catch (e) {
1702                 exception_error("changeUserPassword", e);
1703         }
1704
1705         return false;
1706 }
1707
1708 function changeUserEmail() {
1709
1710         try {
1711
1712                 var query = Form.serialize("change_email_form");
1713
1714                 notify_progress("Trying to change e-mail...");
1715
1716                 new Ajax.Request("backend.php", {
1717                         parameters: query,
1718                         onComplete: function(transport) {
1719                                 notify_callback2(transport);
1720                         } });
1721
1722         } catch (e) {
1723                 exception_error("changeUserPassword", e);
1724         }
1725
1726         return false;
1727
1728 }
1729
1730 function feedlistToggleSLAT() {
1731         notify_progress("Loading, please wait...");
1732         updateFeedList()
1733 }
1734
1735 function pubRegenKey() {
1736
1737         var ok = confirm(__("Replace current publishing address with a new one?"));
1738
1739         if (ok) {
1740
1741                 notify_progress("Trying to change address...");
1742
1743                 var query = "?op=rpc&subop=regenPubKey";
1744
1745                 new Ajax.Request("backend.php", {
1746                         parameters: query,
1747                         onComplete: function(transport) {
1748                                         replace_pubkey_callback(transport);
1749                                 } });
1750
1751         }
1752
1753         return false;
1754 }
1755
1756 function validatePrefsSave() {
1757         try {
1758
1759                 var ok = confirm(__("Save current configuration?"));
1760
1761                 if (ok) {
1762
1763                         var query = Form.serialize("pref_prefs_form");
1764                         query = query + "&subop=save-config";
1765                         debug(query);
1766
1767                         new Ajax.Request("backend.php", {
1768                                 parameters: query,
1769                                 onComplete: function(transport) {
1770                                 notify_callback2(transport);
1771                         } });
1772
1773                 }
1774
1775         } catch (e) {
1776                 exception_error("validatePrefsSave", e);
1777         }
1778
1779         return false;
1780 }
1781
1782 function feedActionChange() {
1783         try {
1784                 var chooser = $("feedActionChooser");
1785                 var opid = chooser[chooser.selectedIndex].value;
1786
1787                 chooser.selectedIndex = 0;
1788                 feedActionGo(opid);
1789         } catch (e) {
1790                 exception_error("feedActionChange", e);
1791         }
1792 }
1793
1794 function feedActionGo(op) {
1795         try {
1796                 if (op == "facEdit") {
1797
1798                         var rows = getSelectedFeeds();
1799
1800                         if (rows.length > 1) {
1801                                 editSelectedFeeds();
1802                         } else {
1803                                 editSelectedFeed();
1804                         }
1805                 }
1806
1807                 if (op == "facClear") {
1808                         clearSelectedFeeds();
1809                 }
1810
1811                 if (op == "facPurge") {
1812                         purgeSelectedFeeds();
1813                 }
1814
1815                 if (op == "facEditCats") {
1816                         editFeedCats();
1817                 }
1818
1819                 if (op == "facRescore") {
1820                         rescoreSelectedFeeds();
1821                 }
1822
1823                 if (op == "facUnsubscribe") {
1824                         removeSelectedFeeds();
1825                 }
1826
1827         } catch (e) {
1828                 exception_error("feedActionGo", e);
1829
1830         }
1831 }
1832
1833 function clearFeedArticles(feed_id) {
1834
1835         notify_progress("Clearing feed...");
1836
1837         var query = "?op=pref-feeds&quiet=1&subop=clear&id=" + feed_id;
1838
1839         new Ajax.Request("backend.php", {
1840                 parameters: query,
1841                 onComplete: function(transport) {
1842                                 notify('');
1843                         } });
1844
1845         return false;
1846 }
1847
1848 function rescoreSelectedFeeds() {
1849
1850         var sel_rows = getSelectedFeeds();
1851
1852         if (sel_rows.length > 0) {
1853
1854                 //var ok = confirm(__("Rescore last 100 articles in selected feeds?"));
1855                 var ok = confirm(__("Rescore articles in selected feeds?"));
1856
1857                 if (ok) {
1858                         notify_progress("Rescoring selected feeds...", true);
1859
1860                         var query = "?op=pref-feeds&subop=rescore&quiet=1&ids="+
1861                                 param_escape(sel_rows.toString());
1862
1863                         new Ajax.Request("backend.php", {
1864                                 parameters: query,
1865                                 onComplete: function(transport) {
1866                                                 notify_callback2(transport);
1867                         } });
1868
1869                 }
1870         } else {
1871                 alert(__("No feeds are selected."));
1872         }
1873
1874         return false;
1875 }
1876
1877 function rescore_all_feeds() {
1878         var ok = confirm(__("Rescore all articles? This operation may take a lot of time."));
1879
1880         if (ok) {
1881                 notify_progress("Rescoring feeds...", true);
1882
1883                 var query = "?op=pref-feeds&subop=rescoreAll&quiet=1";
1884
1885                 new Ajax.Request("backend.php", {
1886                         parameters: query,
1887                         onComplete: function(transport) {
1888                                         notify_callback2(transport);
1889                 } });
1890         }
1891 }
1892
1893 function removeFilter(id, title) {
1894
1895         try {
1896
1897                 var msg = __("Remove filter %s?").replace("%s", title);
1898
1899                 var ok = confirm(msg);
1900
1901                 if (ok) {
1902                         closeInfoBox();
1903
1904                         notify_progress("Removing filter...");
1905
1906                         var query = "?op=pref-filters&subop=remove&ids="+
1907                                 param_escape(id);
1908
1909                         new Ajax.Request("backend.php", {
1910                                 parameters: query,
1911                                 onComplete: function(transport) {
1912                                                 filterlist_callback2(transport);
1913                         } });
1914
1915                 }
1916
1917         } catch (e) {
1918                 exception_error("removeFilter", e);
1919         }
1920
1921         return false;
1922 }
1923
1924 function unsubscribeFeed(id, title) {
1925
1926         try {
1927
1928                 var msg = __("Unsubscribe from %s?").replace("%s", title);
1929
1930                 var ok = confirm(msg);
1931
1932                 if (ok) {
1933                         closeInfoBox();
1934
1935                         notify_progress("Removing feed...");
1936
1937                         var query = "?op=pref-feeds&subop=remove&ids="+
1938                                 param_escape(id);
1939
1940                         new Ajax.Request("backend.php", {
1941                                         parameters: query,
1942                                         onComplete: function(transport) {
1943                                                         feedlist_callback2(transport);
1944                                 } });
1945                 }
1946
1947         } catch (e) {
1948                 exception_error("unsubscribeFeed", e);
1949         }
1950
1951         return false;
1952
1953 }
1954
1955 function feedsEditSave() {
1956         try {
1957
1958                 var ok = confirm(__("Save changes to selected feeds?"));
1959
1960                 if (ok) {
1961
1962                         var f = document.forms["batch_edit_feed_form"];
1963
1964                         var query = Form.serialize("batch_edit_feed_form");
1965
1966                         /* Form.serialize ignores unchecked checkboxes */
1967
1968                         if (!query.match("&hidden=") &&
1969                                         f.hidden.disabled == false) {
1970                                 query = query + "&hidden=false";
1971                         }
1972
1973                         if (!query.match("&rtl_content=") &&
1974                                         f.rtl_content.disabled == false) {
1975                                 query = query + "&rtl_content=false";
1976                         }
1977
1978                         if (!query.match("&private=") &&
1979                                         f.private.disabled == false) {
1980                                 query = query + "&private=false";
1981                         }
1982
1983                         if (!query.match("&cache_images=") &&
1984                                         f.cache_images.disabled == false) {
1985                                 query = query + "&cache_images=false";
1986                         }
1987
1988                         if (!query.match("&include_in_digest=") &&
1989                                         f.include_in_digest.disabled == false) {
1990                                 query = query + "&include_in_digest=false";
1991                         }
1992
1993                         closeInfoBox();
1994
1995                         notify_progress("Saving feeds...");
1996
1997                         new Ajax.Request("backend.php", {
1998                                 parameters: query,
1999                                 onComplete: function(transport) {
2000                                         feedlist_callback2(transport);
2001                                 } });
2002
2003                 }
2004
2005                 return false;
2006         } catch (e) {
2007                 exception_error("feedsEditSave", e);
2008         }
2009 }
2010
2011 function batchFeedsToggleField(cb, elem, label) {
2012         try {
2013                 var f = document.forms["batch_edit_feed_form"];
2014                 var l = $(label);
2015
2016                 if (cb.checked) {
2017                         f[elem].disabled = false;
2018
2019                         if (l) {
2020                                 l.className = "";
2021                         };
2022
2023 //                      new Effect.Highlight(f[elem], {duration: 1, startcolor: "#fff7d5",
2024 //                              queue: { position:'end', scope: 'BPEFQ', limit: 1 } } );
2025
2026                 } else {
2027                         f[elem].disabled = true;
2028
2029                         if (l) {
2030                                 l.className = "insensitive";
2031                         };
2032
2033                 }
2034         } catch (e) {
2035                 exception_error("batchFeedsToggleField", e);
2036         }
2037 }
2038
2039 function labelColorReset() {
2040         try {
2041                 var labels = getSelectedLabels();
2042
2043                 var ok = confirm(__("Reset label colors to default?"));
2044
2045                 if (ok) {
2046
2047                         var query = "?op=pref-labels&subop=color-reset&ids="+
2048                                 param_escape(labels.toString());
2049
2050                         new Ajax.Request("backend.php", {
2051                                 parameters: query,
2052                                 onComplete: function(transport) {
2053                                                 labellist_callback2(transport);
2054                                         } });
2055                 }
2056
2057         } catch (e) {
2058                 exception_error("labelColorReset", e);
2059         }
2060 }
2061
2062 function labelColorAsk(id, kind) {
2063         try {
2064
2065                 var p = null
2066
2067                 if (kind == "fg") {
2068                         p = prompt(__("Please enter new label foreground color:"));
2069                 } else {
2070                         p = prompt(__("Please enter new label background color:"));
2071                 }
2072
2073                 if (p != null) {
2074
2075                         var query = "?op=pref-labels&subop=color-set&kind=" + kind +
2076                                 "&ids="+        param_escape(id) + "&color=" + param_escape(p);
2077
2078                         selectPrefRows('label', false);
2079
2080                         var e = $("LICID-" + id);
2081
2082                         if (e) {
2083                                 if (kind == "fg") {
2084                                         e.style.color = p
2085                                 } else {
2086                                         e.style.backgroundColor = p;
2087                                 }
2088                         }
2089
2090                         new Ajax.Request("backend.php", { parameters: query });
2091                 }
2092
2093         } catch (e) {
2094                 exception_error("labelColorReset", e);
2095         }
2096 }
2097
2098
2099 function colorPicker(id, fg, bg) {
2100         try {
2101                 var picker = $("colorPicker-" + id);
2102
2103                 if (picker) Element.show(picker);
2104
2105         } catch (e) {
2106                 exception_error("colorPicker", e);
2107         }
2108 }
2109
2110 function colorPickerHideAll() {
2111         try {
2112                 if ($("prefLabelList")) {
2113
2114                         var elems = $("prefLabelList").getElementsByTagName("DIV");
2115
2116                         for (var i = 0; i < elems.length; i++) {
2117                                 if (elems[i].id && elems[i].id.match("colorPicker-")) {
2118                                         Element.hide(elems[i]);
2119                                 }
2120                         }
2121                 }
2122
2123         } catch (e) {
2124                 exception_error("colorPickerHideAll", e);
2125         }
2126 }
2127
2128 function colorPickerDo(id, fg, bg) {
2129         try {
2130
2131                 var query = "?op=pref-labels&subop=color-set&kind=both"+
2132                         "&ids=" + param_escape(id) + "&fg=" + param_escape(fg) +
2133                         "&bg=" + param_escape(bg);
2134
2135                 var e = $("LICID-" + id);
2136
2137                 if (e) {
2138                         e.style.color = fg;
2139                         e.style.backgroundColor = bg;
2140                 }
2141
2142                 new Ajax.Request("backend.php", { parameters: query });
2143
2144         } catch (e) {
2145                 exception_error("colorPickerDo", e);
2146         }
2147 }
2148
2149 function colorPickerActive(b) {
2150         color_picker_active = b;
2151 }
2152
2153 function mouse_down_handler(e) {
2154         try {
2155
2156                 /* do not prevent right click */
2157                 if (e && e.button && e.button == 2) return;
2158
2159                 if (selection_disabled) {
2160                         document.onselectstart = function() { return false; };
2161                         return false;
2162                 }
2163
2164         } catch (e) {
2165                 exception_error("mouse_down_handler", e);
2166         }
2167 }
2168
2169 function mouse_up_handler(e) {
2170         try {
2171                 mouse_is_down = false;
2172
2173                 if (!selection_disabled) {
2174                         document.onselectstart = null;
2175                 }
2176
2177                 if (!color_picker_active) {
2178                         colorPickerHideAll();
2179                 }
2180
2181         } catch (e) {
2182                 exception_error("mouse_up_handler", e);
2183         }
2184 }
2185